// // Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. // Copyright (c) 2012, 2017 SAP SE. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License version 2 only, as // published by the Free Software Foundation. // // This code is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // version 2 for more details (a copy is included in the LICENSE file that // accompanied this code). // // You should have received a copy of the GNU General Public License version // 2 along with this work; if not, write to the Free Software Foundation, // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. // // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA // or visit www.oracle.com if you need additional information or have any // questions. // // // // PPC64 Architecture Description File // //----------REGISTER DEFINITION BLOCK------------------------------------------ // This information is used by the matcher and the register allocator to // describe individual registers and classes of registers within the target // architecture. register %{ //----------Architecture Description Register Definitions---------------------- // General Registers // "reg_def" name (register save type, C convention save type, // ideal register type, encoding); // // Register Save Types: // // NS = No-Save: The register allocator assumes that these registers // can be used without saving upon entry to the method, & // that they do not need to be saved at call sites. // // SOC = Save-On-Call: The register allocator assumes that these registers // can be used without saving upon entry to the method, // but that they must be saved at call sites. // These are called "volatiles" on ppc. // // SOE = Save-On-Entry: The register allocator assumes that these registers // must be saved before using them upon entry to the // method, but they do not need to be saved at call // sites. // These are called "nonvolatiles" on ppc. // // AS = Always-Save: The register allocator assumes that these registers // must be saved before using them upon entry to the // method, & that they must be saved at call sites. // // Ideal Register Type is used to determine how to save & restore a // register. Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get // spilled with LoadP/StoreP. If the register supports both, use Op_RegI. // // The encoding number is the actual bit-pattern placed into the opcodes. // // PPC64 register definitions, based on the 64-bit PowerPC ELF ABI // Supplement Version 1.7 as of 2003-10-29. // // For each 64-bit register we must define two registers: the register // itself, e.g. R3, and a corresponding virtual other (32-bit-)'half', // e.g. R3_H, which is needed by the allocator, but is not used // for stores, loads, etc. // ---------------------------- // Integer/Long Registers // ---------------------------- // PPC64 has 32 64-bit integer registers. // types: v = volatile, nv = non-volatile, s = system reg_def R0 ( SOC, SOC, Op_RegI, 0, R0->as_VMReg() ); // v used in prologs reg_def R0_H ( SOC, SOC, Op_RegI, 99, R0->as_VMReg()->next() ); reg_def R1 ( NS, NS, Op_RegI, 1, R1->as_VMReg() ); // s SP reg_def R1_H ( NS, NS, Op_RegI, 99, R1->as_VMReg()->next() ); reg_def R2 ( SOC, SOC, Op_RegI, 2, R2->as_VMReg() ); // v TOC reg_def R2_H ( SOC, SOC, Op_RegI, 99, R2->as_VMReg()->next() ); reg_def R3 ( SOC, SOC, Op_RegI, 3, R3->as_VMReg() ); // v iarg1 & iret reg_def R3_H ( SOC, SOC, Op_RegI, 99, R3->as_VMReg()->next() ); reg_def R4 ( SOC, SOC, Op_RegI, 4, R4->as_VMReg() ); // iarg2 reg_def R4_H ( SOC, SOC, Op_RegI, 99, R4->as_VMReg()->next() ); reg_def R5 ( SOC, SOC, Op_RegI, 5, R5->as_VMReg() ); // v iarg3 reg_def R5_H ( SOC, SOC, Op_RegI, 99, R5->as_VMReg()->next() ); reg_def R6 ( SOC, SOC, Op_RegI, 6, R6->as_VMReg() ); // v iarg4 reg_def R6_H ( SOC, SOC, Op_RegI, 99, R6->as_VMReg()->next() ); reg_def R7 ( SOC, SOC, Op_RegI, 7, R7->as_VMReg() ); // v iarg5 reg_def R7_H ( SOC, SOC, Op_RegI, 99, R7->as_VMReg()->next() ); reg_def R8 ( SOC, SOC, Op_RegI, 8, R8->as_VMReg() ); // v iarg6 reg_def R8_H ( SOC, SOC, Op_RegI, 99, R8->as_VMReg()->next() ); reg_def R9 ( SOC, SOC, Op_RegI, 9, R9->as_VMReg() ); // v iarg7 reg_def R9_H ( SOC, SOC, Op_RegI, 99, R9->as_VMReg()->next() ); reg_def R10 ( SOC, SOC, Op_RegI, 10, R10->as_VMReg() ); // v iarg8 reg_def R10_H( SOC, SOC, Op_RegI, 99, R10->as_VMReg()->next()); reg_def R11 ( SOC, SOC, Op_RegI, 11, R11->as_VMReg() ); // v ENV / scratch reg_def R11_H( SOC, SOC, Op_RegI, 99, R11->as_VMReg()->next()); reg_def R12 ( SOC, SOC, Op_RegI, 12, R12->as_VMReg() ); // v scratch reg_def R12_H( SOC, SOC, Op_RegI, 99, R12->as_VMReg()->next()); reg_def R13 ( NS, NS, Op_RegI, 13, R13->as_VMReg() ); // s system thread id reg_def R13_H( NS, NS, Op_RegI, 99, R13->as_VMReg()->next()); reg_def R14 ( SOC, SOE, Op_RegI, 14, R14->as_VMReg() ); // nv reg_def R14_H( SOC, SOE, Op_RegI, 99, R14->as_VMReg()->next()); reg_def R15 ( SOC, SOE, Op_RegI, 15, R15->as_VMReg() ); // nv reg_def R15_H( SOC, SOE, Op_RegI, 99, R15->as_VMReg()->next()); reg_def R16 ( SOC, SOE, Op_RegI, 16, R16->as_VMReg() ); // nv reg_def R16_H( SOC, SOE, Op_RegI, 99, R16->as_VMReg()->next()); reg_def R17 ( SOC, SOE, Op_RegI, 17, R17->as_VMReg() ); // nv reg_def R17_H( SOC, SOE, Op_RegI, 99, R17->as_VMReg()->next()); reg_def R18 ( SOC, SOE, Op_RegI, 18, R18->as_VMReg() ); // nv reg_def R18_H( SOC, SOE, Op_RegI, 99, R18->as_VMReg()->next()); reg_def R19 ( SOC, SOE, Op_RegI, 19, R19->as_VMReg() ); // nv reg_def R19_H( SOC, SOE, Op_RegI, 99, R19->as_VMReg()->next()); reg_def R20 ( SOC, SOE, Op_RegI, 20, R20->as_VMReg() ); // nv reg_def R20_H( SOC, SOE, Op_RegI, 99, R20->as_VMReg()->next()); reg_def R21 ( SOC, SOE, Op_RegI, 21, R21->as_VMReg() ); // nv reg_def R21_H( SOC, SOE, Op_RegI, 99, R21->as_VMReg()->next()); reg_def R22 ( SOC, SOE, Op_RegI, 22, R22->as_VMReg() ); // nv reg_def R22_H( SOC, SOE, Op_RegI, 99, R22->as_VMReg()->next()); reg_def R23 ( SOC, SOE, Op_RegI, 23, R23->as_VMReg() ); // nv reg_def R23_H( SOC, SOE, Op_RegI, 99, R23->as_VMReg()->next()); reg_def R24 ( SOC, SOE, Op_RegI, 24, R24->as_VMReg() ); // nv reg_def R24_H( SOC, SOE, Op_RegI, 99, R24->as_VMReg()->next()); reg_def R25 ( SOC, SOE, Op_RegI, 25, R25->as_VMReg() ); // nv reg_def R25_H( SOC, SOE, Op_RegI, 99, R25->as_VMReg()->next()); reg_def R26 ( SOC, SOE, Op_RegI, 26, R26->as_VMReg() ); // nv reg_def R26_H( SOC, SOE, Op_RegI, 99, R26->as_VMReg()->next()); reg_def R27 ( SOC, SOE, Op_RegI, 27, R27->as_VMReg() ); // nv reg_def R27_H( SOC, SOE, Op_RegI, 99, R27->as_VMReg()->next()); reg_def R28 ( SOC, SOE, Op_RegI, 28, R28->as_VMReg() ); // nv reg_def R28_H( SOC, SOE, Op_RegI, 99, R28->as_VMReg()->next()); reg_def R29 ( SOC, SOE, Op_RegI, 29, R29->as_VMReg() ); // nv reg_def R29_H( SOC, SOE, Op_RegI, 99, R29->as_VMReg()->next()); reg_def R30 ( SOC, SOE, Op_RegI, 30, R30->as_VMReg() ); // nv reg_def R30_H( SOC, SOE, Op_RegI, 99, R30->as_VMReg()->next()); reg_def R31 ( SOC, SOE, Op_RegI, 31, R31->as_VMReg() ); // nv reg_def R31_H( SOC, SOE, Op_RegI, 99, R31->as_VMReg()->next()); // ---------------------------- // Float/Double Registers // ---------------------------- // Double Registers // The rules of ADL require that double registers be defined in pairs. // Each pair must be two 32-bit values, but not necessarily a pair of // single float registers. In each pair, ADLC-assigned register numbers // must be adjacent, with the lower number even. Finally, when the // CPU stores such a register pair to memory, the word associated with // the lower ADLC-assigned number must be stored to the lower address. // PPC64 has 32 64-bit floating-point registers. Each can store a single // or double precision floating-point value. // types: v = volatile, nv = non-volatile, s = system reg_def F0 ( SOC, SOC, Op_RegF, 0, F0->as_VMReg() ); // v scratch reg_def F0_H ( SOC, SOC, Op_RegF, 99, F0->as_VMReg()->next() ); reg_def F1 ( SOC, SOC, Op_RegF, 1, F1->as_VMReg() ); // v farg1 & fret reg_def F1_H ( SOC, SOC, Op_RegF, 99, F1->as_VMReg()->next() ); reg_def F2 ( SOC, SOC, Op_RegF, 2, F2->as_VMReg() ); // v farg2 reg_def F2_H ( SOC, SOC, Op_RegF, 99, F2->as_VMReg()->next() ); reg_def F3 ( SOC, SOC, Op_RegF, 3, F3->as_VMReg() ); // v farg3 reg_def F3_H ( SOC, SOC, Op_RegF, 99, F3->as_VMReg()->next() ); reg_def F4 ( SOC, SOC, Op_RegF, 4, F4->as_VMReg() ); // v farg4 reg_def F4_H ( SOC, SOC, Op_RegF, 99, F4->as_VMReg()->next() ); reg_def F5 ( SOC, SOC, Op_RegF, 5, F5->as_VMReg() ); // v farg5 reg_def F5_H ( SOC, SOC, Op_RegF, 99, F5->as_VMReg()->next() ); reg_def F6 ( SOC, SOC, Op_RegF, 6, F6->as_VMReg() ); // v farg6 reg_def F6_H ( SOC, SOC, Op_RegF, 99, F6->as_VMReg()->next() ); reg_def F7 ( SOC, SOC, Op_RegF, 7, F7->as_VMReg() ); // v farg7 reg_def F7_H ( SOC, SOC, Op_RegF, 99, F7->as_VMReg()->next() ); reg_def F8 ( SOC, SOC, Op_RegF, 8, F8->as_VMReg() ); // v farg8 reg_def F8_H ( SOC, SOC, Op_RegF, 99, F8->as_VMReg()->next() ); reg_def F9 ( SOC, SOC, Op_RegF, 9, F9->as_VMReg() ); // v farg9 reg_def F9_H ( SOC, SOC, Op_RegF, 99, F9->as_VMReg()->next() ); reg_def F10 ( SOC, SOC, Op_RegF, 10, F10->as_VMReg() ); // v farg10 reg_def F10_H( SOC, SOC, Op_RegF, 99, F10->as_VMReg()->next()); reg_def F11 ( SOC, SOC, Op_RegF, 11, F11->as_VMReg() ); // v farg11 reg_def F11_H( SOC, SOC, Op_RegF, 99, F11->as_VMReg()->next()); reg_def F12 ( SOC, SOC, Op_RegF, 12, F12->as_VMReg() ); // v farg12 reg_def F12_H( SOC, SOC, Op_RegF, 99, F12->as_VMReg()->next()); reg_def F13 ( SOC, SOC, Op_RegF, 13, F13->as_VMReg() ); // v farg13 reg_def F13_H( SOC, SOC, Op_RegF, 99, F13->as_VMReg()->next()); reg_def F14 ( SOC, SOE, Op_RegF, 14, F14->as_VMReg() ); // nv reg_def F14_H( SOC, SOE, Op_RegF, 99, F14->as_VMReg()->next()); reg_def F15 ( SOC, SOE, Op_RegF, 15, F15->as_VMReg() ); // nv reg_def F15_H( SOC, SOE, Op_RegF, 99, F15->as_VMReg()->next()); reg_def F16 ( SOC, SOE, Op_RegF, 16, F16->as_VMReg() ); // nv reg_def F16_H( SOC, SOE, Op_RegF, 99, F16->as_VMReg()->next()); reg_def F17 ( SOC, SOE, Op_RegF, 17, F17->as_VMReg() ); // nv reg_def F17_H( SOC, SOE, Op_RegF, 99, F17->as_VMReg()->next()); reg_def F18 ( SOC, SOE, Op_RegF, 18, F18->as_VMReg() ); // nv reg_def F18_H( SOC, SOE, Op_RegF, 99, F18->as_VMReg()->next()); reg_def F19 ( SOC, SOE, Op_RegF, 19, F19->as_VMReg() ); // nv reg_def F19_H( SOC, SOE, Op_RegF, 99, F19->as_VMReg()->next()); reg_def F20 ( SOC, SOE, Op_RegF, 20, F20->as_VMReg() ); // nv reg_def F20_H( SOC, SOE, Op_RegF, 99, F20->as_VMReg()->next()); reg_def F21 ( SOC, SOE, Op_RegF, 21, F21->as_VMReg() ); // nv reg_def F21_H( SOC, SOE, Op_RegF, 99, F21->as_VMReg()->next()); reg_def F22 ( SOC, SOE, Op_RegF, 22, F22->as_VMReg() ); // nv reg_def F22_H( SOC, SOE, Op_RegF, 99, F22->as_VMReg()->next()); reg_def F23 ( SOC, SOE, Op_RegF, 23, F23->as_VMReg() ); // nv reg_def F23_H( SOC, SOE, Op_RegF, 99, F23->as_VMReg()->next()); reg_def F24 ( SOC, SOE, Op_RegF, 24, F24->as_VMReg() ); // nv reg_def F24_H( SOC, SOE, Op_RegF, 99, F24->as_VMReg()->next()); reg_def F25 ( SOC, SOE, Op_RegF, 25, F25->as_VMReg() ); // nv reg_def F25_H( SOC, SOE, Op_RegF, 99, F25->as_VMReg()->next()); reg_def F26 ( SOC, SOE, Op_RegF, 26, F26->as_VMReg() ); // nv reg_def F26_H( SOC, SOE, Op_RegF, 99, F26->as_VMReg()->next()); reg_def F27 ( SOC, SOE, Op_RegF, 27, F27->as_VMReg() ); // nv reg_def F27_H( SOC, SOE, Op_RegF, 99, F27->as_VMReg()->next()); reg_def F28 ( SOC, SOE, Op_RegF, 28, F28->as_VMReg() ); // nv reg_def F28_H( SOC, SOE, Op_RegF, 99, F28->as_VMReg()->next()); reg_def F29 ( SOC, SOE, Op_RegF, 29, F29->as_VMReg() ); // nv reg_def F29_H( SOC, SOE, Op_RegF, 99, F29->as_VMReg()->next()); reg_def F30 ( SOC, SOE, Op_RegF, 30, F30->as_VMReg() ); // nv reg_def F30_H( SOC, SOE, Op_RegF, 99, F30->as_VMReg()->next()); reg_def F31 ( SOC, SOE, Op_RegF, 31, F31->as_VMReg() ); // nv reg_def F31_H( SOC, SOE, Op_RegF, 99, F31->as_VMReg()->next()); // ---------------------------- // Special Registers // ---------------------------- // Condition Codes Flag Registers // PPC64 has 8 condition code "registers" which are all contained // in the CR register. // types: v = volatile, nv = non-volatile, s = system reg_def CCR0(SOC, SOC, Op_RegFlags, 0, CCR0->as_VMReg()); // v reg_def CCR1(SOC, SOC, Op_RegFlags, 1, CCR1->as_VMReg()); // v reg_def CCR2(SOC, SOC, Op_RegFlags, 2, CCR2->as_VMReg()); // nv reg_def CCR3(SOC, SOC, Op_RegFlags, 3, CCR3->as_VMReg()); // nv reg_def CCR4(SOC, SOC, Op_RegFlags, 4, CCR4->as_VMReg()); // nv reg_def CCR5(SOC, SOC, Op_RegFlags, 5, CCR5->as_VMReg()); // v reg_def CCR6(SOC, SOC, Op_RegFlags, 6, CCR6->as_VMReg()); // v reg_def CCR7(SOC, SOC, Op_RegFlags, 7, CCR7->as_VMReg()); // v // Special registers of PPC64 reg_def SR_XER( SOC, SOC, Op_RegP, 0, SR_XER->as_VMReg()); // v reg_def SR_LR( SOC, SOC, Op_RegP, 1, SR_LR->as_VMReg()); // v reg_def SR_CTR( SOC, SOC, Op_RegP, 2, SR_CTR->as_VMReg()); // v reg_def SR_VRSAVE( SOC, SOC, Op_RegP, 3, SR_VRSAVE->as_VMReg()); // v reg_def SR_SPEFSCR(SOC, SOC, Op_RegP, 4, SR_SPEFSCR->as_VMReg()); // v reg_def SR_PPR( SOC, SOC, Op_RegP, 5, SR_PPR->as_VMReg()); // v // ---------------------------- // Specify priority of register selection within phases of register // allocation. Highest priority is first. A useful heuristic is to // give registers a low priority when they are required by machine // instructions, like EAX and EDX on I486, and choose no-save registers // before save-on-call, & save-on-call before save-on-entry. Registers // which participate in fixed calling sequences should come last. // Registers which are used as pairs must fall on an even boundary. // It's worth about 1% on SPEC geomean to get this right. // Chunk0, chunk1, and chunk2 form the MachRegisterNumbers enumeration // in adGlobals_ppc64.hpp which defines the _num values, e.g. // R3_num. Therefore, R3_num may not be (and in reality is not) // the same as R3->encoding()! Furthermore, we cannot make any // assumptions on ordering, e.g. R3_num may be less than R2_num. // Additionally, the function // static enum RC rc_class(OptoReg::Name reg ) // maps a given _num value to its chunk type (except for flags) // and its current implementation relies on chunk0 and chunk1 having a // size of 64 each. // If you change this allocation class, please have a look at the // default values for the parameters RoundRobinIntegerRegIntervalStart // and RoundRobinFloatRegIntervalStart alloc_class chunk0 ( // Chunk0 contains *all* 64 integer registers halves. // "non-volatile" registers R14, R14_H, R15, R15_H, R17, R17_H, R18, R18_H, R19, R19_H, R20, R20_H, R21, R21_H, R22, R22_H, R23, R23_H, R24, R24_H, R25, R25_H, R26, R26_H, R27, R27_H, R28, R28_H, R29, R29_H, R30, R30_H, R31, R31_H, // scratch/special registers R11, R11_H, R12, R12_H, // argument registers R10, R10_H, R9, R9_H, R8, R8_H, R7, R7_H, R6, R6_H, R5, R5_H, R4, R4_H, R3, R3_H, // special registers, not available for allocation R16, R16_H, // R16_thread R13, R13_H, // system thread id R2, R2_H, // may be used for TOC R1, R1_H, // SP R0, R0_H // R0 (scratch) ); // If you change this allocation class, please have a look at the // default values for the parameters RoundRobinIntegerRegIntervalStart // and RoundRobinFloatRegIntervalStart alloc_class chunk1 ( // Chunk1 contains *all* 64 floating-point registers halves. // scratch register F0, F0_H, // argument registers F13, F13_H, F12, F12_H, F11, F11_H, F10, F10_H, F9, F9_H, F8, F8_H, F7, F7_H, F6, F6_H, F5, F5_H, F4, F4_H, F3, F3_H, F2, F2_H, F1, F1_H, // non-volatile registers F14, F14_H, F15, F15_H, F16, F16_H, F17, F17_H, F18, F18_H, F19, F19_H, F20, F20_H, F21, F21_H, F22, F22_H, F23, F23_H, F24, F24_H, F25, F25_H, F26, F26_H, F27, F27_H, F28, F28_H, F29, F29_H, F30, F30_H, F31, F31_H ); alloc_class chunk2 ( // Chunk2 contains *all* 8 condition code registers. CCR0, CCR1, CCR2, CCR3, CCR4, CCR5, CCR6, CCR7 ); alloc_class chunk3 ( // special registers // These registers are not allocated, but used for nodes generated by postalloc expand. SR_XER, SR_LR, SR_CTR, SR_VRSAVE, SR_SPEFSCR, SR_PPR ); //-------Architecture Description Register Classes----------------------- // Several register classes are automatically defined based upon // information in this architecture description. // 1) reg_class inline_cache_reg ( as defined in frame section ) // 2) reg_class compiler_method_oop_reg ( as defined in frame section ) // 2) reg_class interpreter_method_oop_reg ( as defined in frame section ) // 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ ) // // ---------------------------- // 32 Bit Register Classes // ---------------------------- // We specify registers twice, once as read/write, and once read-only. // We use the read-only registers for source operands. With this, we // can include preset read only registers in this class, as a hard-coded // '0'-register. (We used to simulate this on ppc.) // 32 bit registers that can be read and written i.e. these registers // can be dest (or src) of normal instructions. reg_class bits32_reg_rw( /*R0*/ // R0 /*R1*/ // SP R2, // TOC R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, /*R13*/ // system thread id R14, R15, /*R16*/ // R16_thread R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, /*R29*/ // global TOC /*R30*/ // Narrow Oop Base R31 ); // 32 bit registers that can only be read i.e. these registers can // only be src of all instructions. reg_class bits32_reg_ro( /*R0*/ // R0 /*R1*/ // SP R2 // TOC R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, /*R13*/ // system thread id R14, R15, /*R16*/ // R16_thread R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, /*R29*/ /*R30*/ // Narrow Oop Base R31 ); // Complement-required-in-pipeline operands for narrow oops. reg_class bits32_reg_ro_not_complement ( /*R0*/ // R0 R1, // SP R2, // TOC R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, /*R13,*/ // system thread id R14, R15, R16, // R16_thread R17, R18, R19, R20, R21, R22, /*R23, R24, R25, R26, R27, R28,*/ /*R29,*/ // TODO: let allocator handle TOC!! /*R30,*/ R31 ); // Complement-required-in-pipeline operands for narrow oops. // See 64-bit declaration. reg_class bits32_reg_ro_complement ( R23, R24, R25, R26, R27, R28 ); reg_class rscratch1_bits32_reg(R11); reg_class rscratch2_bits32_reg(R12); reg_class rarg1_bits32_reg(R3); reg_class rarg2_bits32_reg(R4); reg_class rarg3_bits32_reg(R5); reg_class rarg4_bits32_reg(R6); // ---------------------------- // 64 Bit Register Classes // ---------------------------- // 64-bit build means 64-bit pointers means hi/lo pairs reg_class rscratch1_bits64_reg(R11_H, R11); reg_class rscratch2_bits64_reg(R12_H, R12); reg_class rarg1_bits64_reg(R3_H, R3); reg_class rarg2_bits64_reg(R4_H, R4); reg_class rarg3_bits64_reg(R5_H, R5); reg_class rarg4_bits64_reg(R6_H, R6); // Thread register, 'written' by tlsLoadP, see there. reg_class thread_bits64_reg(R16_H, R16); reg_class r19_bits64_reg(R19_H, R19); // 64 bit registers that can be read and written i.e. these registers // can be dest (or src) of normal instructions. reg_class bits64_reg_rw( /*R0_H, R0*/ // R0 /*R1_H, R1*/ // SP R2_H, R2, // TOC R3_H, R3, R4_H, R4, R5_H, R5, R6_H, R6, R7_H, R7, R8_H, R8, R9_H, R9, R10_H, R10, R11_H, R11, R12_H, R12, /*R13_H, R13*/ // system thread id R14_H, R14, R15_H, R15, /*R16_H, R16*/ // R16_thread R17_H, R17, R18_H, R18, R19_H, R19, R20_H, R20, R21_H, R21, R22_H, R22, R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28, /*R29_H, R29*/ /*R30_H, R30*/ R31_H, R31 ); // 64 bit registers used excluding r2, r11 and r12 // Used to hold the TOC to avoid collisions with expanded LeafCall which uses // r2, r11 and r12 internally. reg_class bits64_reg_leaf_call( /*R0_H, R0*/ // R0 /*R1_H, R1*/ // SP /*R2_H, R2*/ // TOC R3_H, R3, R4_H, R4, R5_H, R5, R6_H, R6, R7_H, R7, R8_H, R8, R9_H, R9, R10_H, R10, /*R11_H, R11*/ /*R12_H, R12*/ /*R13_H, R13*/ // system thread id R14_H, R14, R15_H, R15, /*R16_H, R16*/ // R16_thread R17_H, R17, R18_H, R18, R19_H, R19, R20_H, R20, R21_H, R21, R22_H, R22, R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28, /*R29_H, R29*/ /*R30_H, R30*/ R31_H, R31 ); // Used to hold the TOC to avoid collisions with expanded DynamicCall // which uses r19 as inline cache internally and expanded LeafCall which uses // r2, r11 and r12 internally. reg_class bits64_constant_table_base( /*R0_H, R0*/ // R0 /*R1_H, R1*/ // SP /*R2_H, R2*/ // TOC R3_H, R3, R4_H, R4, R5_H, R5, R6_H, R6, R7_H, R7, R8_H, R8, R9_H, R9, R10_H, R10, /*R11_H, R11*/ /*R12_H, R12*/ /*R13_H, R13*/ // system thread id R14_H, R14, R15_H, R15, /*R16_H, R16*/ // R16_thread R17_H, R17, R18_H, R18, /*R19_H, R19*/ R20_H, R20, R21_H, R21, R22_H, R22, R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28, /*R29_H, R29*/ /*R30_H, R30*/ R31_H, R31 ); // 64 bit registers that can only be read i.e. these registers can // only be src of all instructions. reg_class bits64_reg_ro( /*R0_H, R0*/ // R0 R1_H, R1, R2_H, R2, // TOC R3_H, R3, R4_H, R4, R5_H, R5, R6_H, R6, R7_H, R7, R8_H, R8, R9_H, R9, R10_H, R10, R11_H, R11, R12_H, R12, /*R13_H, R13*/ // system thread id R14_H, R14, R15_H, R15, R16_H, R16, // R16_thread R17_H, R17, R18_H, R18, R19_H, R19, R20_H, R20, R21_H, R21, R22_H, R22, R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28, /*R29_H, R29*/ // TODO: let allocator handle TOC!! /*R30_H, R30,*/ R31_H, R31 ); // Complement-required-in-pipeline operands. reg_class bits64_reg_ro_not_complement ( /*R0_H, R0*/ // R0 R1_H, R1, // SP R2_H, R2, // TOC R3_H, R3, R4_H, R4, R5_H, R5, R6_H, R6, R7_H, R7, R8_H, R8, R9_H, R9, R10_H, R10, R11_H, R11, R12_H, R12, /*R13_H, R13*/ // system thread id R14_H, R14, R15_H, R15, R16_H, R16, // R16_thread R17_H, R17, R18_H, R18, R19_H, R19, R20_H, R20, R21_H, R21, R22_H, R22, /*R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28,*/ /*R29_H, R29*/ // TODO: let allocator handle TOC!! /*R30_H, R30,*/ R31_H, R31 ); // Complement-required-in-pipeline operands. // This register mask is used for the trap instructions that implement // the null checks on AIX. The trap instruction first computes the // complement of the value it shall trap on. Because of this, the // instruction can not be scheduled in the same cycle as an other // instruction reading the normal value of the same register. So we // force the value to check into 'bits64_reg_ro_not_complement' // and then copy it to 'bits64_reg_ro_complement' for the trap. reg_class bits64_reg_ro_complement ( R23_H, R23, R24_H, R24, R25_H, R25, R26_H, R26, R27_H, R27, R28_H, R28 ); // ---------------------------- // Special Class for Condition Code Flags Register reg_class int_flags( /*CCR0*/ // scratch /*CCR1*/ // scratch /*CCR2*/ // nv! /*CCR3*/ // nv! /*CCR4*/ // nv! CCR5, CCR6, CCR7 ); reg_class int_flags_CR0(CCR0); reg_class int_flags_CR1(CCR1); reg_class int_flags_CR6(CCR6); reg_class ctr_reg(SR_CTR); // ---------------------------- // Float Register Classes // ---------------------------- reg_class flt_reg( /*F0*/ // scratch F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, // nv! F15, // nv! F16, // nv! F17, // nv! F18, // nv! F19, // nv! F20, // nv! F21, // nv! F22, // nv! F23, // nv! F24, // nv! F25, // nv! F26, // nv! F27, // nv! F28, // nv! F29, // nv! F30, // nv! F31 // nv! ); // Double precision float registers have virtual `high halves' that // are needed by the allocator. reg_class dbl_reg( /*F0, F0_H*/ // scratch F1, F1_H, F2, F2_H, F3, F3_H, F4, F4_H, F5, F5_H, F6, F6_H, F7, F7_H, F8, F8_H, F9, F9_H, F10, F10_H, F11, F11_H, F12, F12_H, F13, F13_H, F14, F14_H, // nv! F15, F15_H, // nv! F16, F16_H, // nv! F17, F17_H, // nv! F18, F18_H, // nv! F19, F19_H, // nv! F20, F20_H, // nv! F21, F21_H, // nv! F22, F22_H, // nv! F23, F23_H, // nv! F24, F24_H, // nv! F25, F25_H, // nv! F26, F26_H, // nv! F27, F27_H, // nv! F28, F28_H, // nv! F29, F29_H, // nv! F30, F30_H, // nv! F31, F31_H // nv! ); %} //----------DEFINITION BLOCK--------------------------------------------------- // Define name --> value mappings to inform the ADLC of an integer valued name // Current support includes integer values in the range [0, 0x7FFFFFFF] // Format: // int_def ( , ); // Generated Code in ad_.hpp // #define () // // value == // Generated code in ad_.cpp adlc_verification() // assert( == , "Expect () to equal "); // definitions %{ // The default cost (of an ALU instruction). int_def DEFAULT_COST_LOW ( 30, 30); int_def DEFAULT_COST ( 100, 100); int_def HUGE_COST (1000000, 1000000); // Memory refs int_def MEMORY_REF_COST_LOW ( 200, DEFAULT_COST * 2); int_def MEMORY_REF_COST ( 300, DEFAULT_COST * 3); // Branches are even more expensive. int_def BRANCH_COST ( 900, DEFAULT_COST * 9); int_def CALL_COST ( 1300, DEFAULT_COST * 13); %} //----------SOURCE BLOCK------------------------------------------------------- // This is a block of C++ code which provides values, functions, and // definitions necessary in the rest of the architecture description. source_hpp %{ // Header information of the source block. // Method declarations/definitions which are used outside // the ad-scope can conveniently be defined here. // // To keep related declarations/definitions/uses close together, // we switch between source %{ }% and source_hpp %{ }% freely as needed. // Returns true if Node n is followed by a MemBar node that // will do an acquire. If so, this node must not do the acquire // operation. bool followed_by_acquire(const Node *n); %} source %{ // Optimize load-acquire. // // Check if acquire is unnecessary due to following operation that does // acquire anyways. // Walk the pattern: // // n: Load.acq // | // MemBarAcquire // | | // Proj(ctrl) Proj(mem) // | | // MemBarRelease/Volatile // bool followed_by_acquire(const Node *load) { assert(load->is_Load(), "So far implemented only for loads."); // Find MemBarAcquire. const Node *mba = NULL; for (DUIterator_Fast imax, i = load->fast_outs(imax); i < imax; i++) { const Node *out = load->fast_out(i); if (out->Opcode() == Op_MemBarAcquire) { if (out->in(0) == load) continue; // Skip control edge, membar should be found via precedence edge. mba = out; break; } } if (!mba) return false; // Find following MemBar node. // // The following node must be reachable by control AND memory // edge to assure no other operations are in between the two nodes. // // So first get the Proj node, mem_proj, to use it to iterate forward. Node *mem_proj = NULL; for (DUIterator_Fast imax, i = mba->fast_outs(imax); i < imax; i++) { mem_proj = mba->fast_out(i); // Throw out-of-bounds if proj not found assert(mem_proj->is_Proj(), "only projections here"); ProjNode *proj = mem_proj->as_Proj(); if (proj->_con == TypeFunc::Memory && !Compile::current()->node_arena()->contains(mem_proj)) // Unmatched old-space only break; } assert(mem_proj->as_Proj()->_con == TypeFunc::Memory, "Graph broken"); // Search MemBar behind Proj. If there are other memory operations // behind the Proj we lost. for (DUIterator_Fast jmax, j = mem_proj->fast_outs(jmax); j < jmax; j++) { Node *x = mem_proj->fast_out(j); // Proj might have an edge to a store or load node which precedes the membar. if (x->is_Mem()) return false; // On PPC64 release and volatile are implemented by an instruction // that also has acquire semantics. I.e. there is no need for an // acquire before these. int xop = x->Opcode(); if (xop == Op_MemBarRelease || xop == Op_MemBarVolatile) { // Make sure we're not missing Call/Phi/MergeMem by checking // control edges. The control edge must directly lead back // to the MemBarAcquire Node *ctrl_proj = x->in(0); if (ctrl_proj->is_Proj() && ctrl_proj->in(0) == mba) { return true; } } } return false; } #define __ _masm. // Tertiary op of a LoadP or StoreP encoding. #define REGP_OP true // **************************************************************************** // REQUIRED FUNCTIONALITY // !!!!! Special hack to get all type of calls to specify the byte offset // from the start of the call to the point where the return address // will point. // PPC port: Removed use of lazy constant construct. int MachCallStaticJavaNode::ret_addr_offset() { // It's only a single branch-and-link instruction. return 4; } int MachCallDynamicJavaNode::ret_addr_offset() { // Offset is 4 with postalloc expanded calls (bl is one instruction). We use // postalloc expanded calls if we use inline caches and do not update method data. if (UseInlineCaches) return 4; int vtable_index = this->_vtable_index; if (vtable_index < 0) { // Must be invalid_vtable_index, not nonvirtual_vtable_index. assert(vtable_index == Method::invalid_vtable_index, "correct sentinel value"); return 12; } else { assert(!UseInlineCaches, "expect vtable calls only if not using ICs"); return 24; } } int MachCallRuntimeNode::ret_addr_offset() { #if defined(ABI_ELFv2) return 28; #else return 40; #endif } //============================================================================= // condition code conversions static int cc_to_boint(int cc) { return Assembler::bcondCRbiIs0 | (cc & 8); } static int cc_to_inverse_boint(int cc) { return Assembler::bcondCRbiIs0 | (8-(cc & 8)); } static int cc_to_biint(int cc, int flags_reg) { return (flags_reg << 2) | (cc & 3); } //============================================================================= // Compute padding required for nodes which need alignment. The padding // is the number of bytes (not instructions) which will be inserted before // the instruction. The padding must match the size of a NOP instruction. int string_indexOf_imm1_charNode::compute_padding(int current_offset) const { return (3*4-current_offset)&31; } int string_indexOf_imm1Node::compute_padding(int current_offset) const { return (2*4-current_offset)&31; } int string_indexOf_immNode::compute_padding(int current_offset) const { return (3*4-current_offset)&31; } int string_indexOfNode::compute_padding(int current_offset) const { return (1*4-current_offset)&31; } int string_compareNode::compute_padding(int current_offset) const { return (4*4-current_offset)&31; } int string_equals_immNode::compute_padding(int current_offset) const { if (opnd_array(3)->constant() < 16) return 0; // Don't insert nops for short version (loop completely unrolled). return (2*4-current_offset)&31; } int string_equalsNode::compute_padding(int current_offset) const { return (7*4-current_offset)&31; } int inlineCallClearArrayNode::compute_padding(int current_offset) const { return (2*4-current_offset)&31; } //============================================================================= // Indicate if the safepoint node needs the polling page as an input. bool SafePointNode::needs_polling_address_input() { // The address is loaded from thread by a seperate node. return true; } //============================================================================= // Emit an interrupt that is caught by the debugger (for debugging compiler). void emit_break(CodeBuffer &cbuf) { MacroAssembler _masm(&cbuf); __ illtrap(); } #ifndef PRODUCT void MachBreakpointNode::format(PhaseRegAlloc *ra_, outputStream *st) const { st->print("BREAKPOINT"); } #endif void MachBreakpointNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { emit_break(cbuf); } uint MachBreakpointNode::size(PhaseRegAlloc *ra_) const { return MachNode::size(ra_); } //============================================================================= void emit_nop(CodeBuffer &cbuf) { MacroAssembler _masm(&cbuf); __ nop(); } static inline void emit_long(CodeBuffer &cbuf, int value) { *((int*)(cbuf.insts_end())) = value; cbuf.set_insts_end(cbuf.insts_end() + BytesPerInstWord); } //============================================================================= %} // interrupt source source_hpp %{ // Header information of the source block. //-------------------------------------------------------------- //---< Used for optimization in Compile::Shorten_branches >--- //-------------------------------------------------------------- const uint trampoline_stub_size = 6 * BytesPerInstWord; class CallStubImpl { public: // Emit call stub, compiled java to interpreter. static void emit_trampoline_stub(MacroAssembler &_masm, int destination_toc_offset, int insts_call_instruction_offset); // Size of call trampoline stub. // This doesn't need to be accurate to the byte, but it // must be larger than or equal to the real size of the stub. static uint size_call_trampoline() { return trampoline_stub_size; } // number of relocations needed by a call trampoline stub static uint reloc_call_trampoline() { return 5; } }; %} // end source_hpp source %{ // Emit a trampoline stub for a call to a target which is too far away. // // code sequences: // // call-site: // branch-and-link to or // // Related trampoline stub for this call-site in the stub section: // load the call target from the constant pool // branch via CTR (LR/link still points to the call-site above) void CallStubImpl::emit_trampoline_stub(MacroAssembler &_masm, int destination_toc_offset, int insts_call_instruction_offset) { // Start the stub. address stub = __ start_a_stub(Compile::MAX_stubs_size/2); if (stub == NULL) { ciEnv::current()->record_failure("CodeCache is full"); return; } // For java_to_interp stubs we use R11_scratch1 as scratch register // and in call trampoline stubs we use R12_scratch2. This way we // can distinguish them (see is_NativeCallTrampolineStub_at()). Register reg_scratch = R12_scratch2; // Create a trampoline stub relocation which relates this trampoline stub // with the call instruction at insts_call_instruction_offset in the // instructions code-section. __ relocate(trampoline_stub_Relocation::spec(__ code()->insts()->start() + insts_call_instruction_offset)); const int stub_start_offset = __ offset(); // Now, create the trampoline stub's code: // - load the TOC // - load the call target from the constant pool // - call __ calculate_address_from_global_toc(reg_scratch, __ method_toc()); __ ld_largeoffset_unchecked(reg_scratch, destination_toc_offset, reg_scratch, false); __ mtctr(reg_scratch); __ bctr(); const address stub_start_addr = __ addr_at(stub_start_offset); // FIXME: Assert that the trampoline stub can be identified and patched. // Assert that the encoded destination_toc_offset can be identified and that it is correct. assert(destination_toc_offset == NativeCallTrampolineStub_at(stub_start_addr)->destination_toc_offset(), "encoded offset into the constant pool must match"); // Trampoline_stub_size should be good. assert((uint)(__ offset() - stub_start_offset) <= trampoline_stub_size, "should be good size"); assert(is_NativeCallTrampolineStub_at(stub_start_addr), "doesn't look like a trampoline"); // End the stub. __ end_a_stub(); } //============================================================================= // Emit an inline branch-and-link call and a related trampoline stub. // // code sequences: // // call-site: // branch-and-link to or // // Related trampoline stub for this call-site in the stub section: // load the call target from the constant pool // branch via CTR (LR/link still points to the call-site above) // typedef struct { int insts_call_instruction_offset; int ret_addr_offset; } EmitCallOffsets; // Emit a branch-and-link instruction that branches to a trampoline. // - Remember the offset of the branch-and-link instruction. // - Add a relocation at the branch-and-link instruction. // - Emit a branch-and-link. // - Remember the return pc offset. EmitCallOffsets emit_call_with_trampoline_stub(MacroAssembler &_masm, address entry_point, relocInfo::relocType rtype) { EmitCallOffsets offsets = { -1, -1 }; const int start_offset = __ offset(); offsets.insts_call_instruction_offset = __ offset(); // No entry point given, use the current pc. if (entry_point == NULL) entry_point = __ pc(); if (!Compile::current()->in_scratch_emit_size()) { // Put the entry point as a constant into the constant pool. const address entry_point_toc_addr = __ address_constant(entry_point, RelocationHolder::none); const int entry_point_toc_offset = __ offset_to_method_toc(entry_point_toc_addr); // Emit the trampoline stub which will be related to the branch-and-link below. CallStubImpl::emit_trampoline_stub(_masm, entry_point_toc_offset, offsets.insts_call_instruction_offset); if (ciEnv::current()->failing()) { return offsets; } // Code cache may be full. __ relocate(rtype); } // Note: At this point we do not have the address of the trampoline // stub, and the entry point might be too far away for bl, so __ pc() // serves as dummy and the bl will be patched later. __ bl((address) __ pc()); offsets.ret_addr_offset = __ offset() - start_offset; return offsets; } //============================================================================= // Factory for creating loadConL* nodes for large/small constant pool. static inline jlong replicate_immF(float con) { // Replicate float con 2 times and pack into vector. int val = *((int*)&con); jlong lval = val; lval = (lval << 32) | (lval & 0xFFFFFFFFl); return lval; } //============================================================================= const RegMask& MachConstantBaseNode::_out_RegMask = BITS64_CONSTANT_TABLE_BASE_mask(); int Compile::ConstantTable::calculate_table_base_offset() const { return 0; // absolute addressing, no offset } bool MachConstantBaseNode::requires_postalloc_expand() const { return true; } void MachConstantBaseNode::postalloc_expand(GrowableArray *nodes, PhaseRegAlloc *ra_) { Compile *C = ra_->C; iRegPdstOper *op_dst = new (C) iRegPdstOper(); MachNode *m1 = new (C) loadToc_hiNode(); MachNode *m2 = new (C) loadToc_loNode(); m1->add_req(NULL); m2->add_req(NULL, m1); m1->_opnds[0] = op_dst; m2->_opnds[0] = op_dst; m2->_opnds[1] = op_dst; ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m1); nodes->push(m2); } void MachConstantBaseNode::emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const { // Is postalloc expanded. ShouldNotReachHere(); } uint MachConstantBaseNode::size(PhaseRegAlloc* ra_) const { return 0; } #ifndef PRODUCT void MachConstantBaseNode::format(PhaseRegAlloc* ra_, outputStream* st) const { st->print("-- \t// MachConstantBaseNode (empty encoding)"); } #endif //============================================================================= #ifndef PRODUCT void MachPrologNode::format(PhaseRegAlloc *ra_, outputStream *st) const { Compile* C = ra_->C; const long framesize = C->frame_slots() << LogBytesPerInt; st->print("PROLOG\n\t"); if (C->need_stack_bang(framesize)) { st->print("stack_overflow_check\n\t"); } if (!false /* TODO: PPC port C->is_frameless_method()*/) { st->print("save return pc\n\t"); st->print("push frame %ld\n\t", -framesize); } } #endif // Macro used instead of the common __ to emulate the pipes of PPC. // Instead of e.g. __ ld(...) one hase to write ___(ld) ld(...) This enables the // micro scheduler to cope with "hand written" assembler like in the prolog. Though // still no scheduling of this code is possible, the micro scheduler is aware of the // code and can update its internal data. The following mechanism is used to achieve this: // The micro scheduler calls size() of each compound node during scheduling. size() does a // dummy emit and only during this dummy emit C->hb_scheduling() is not NULL. #if 0 // TODO: PPC port #define ___(op) if (UsePower6SchedulerPPC64 && C->hb_scheduling()) \ C->hb_scheduling()->_pdScheduling->PdEmulatePipe(ppc64Opcode_##op); \ _masm. #define ___stop if (UsePower6SchedulerPPC64 && C->hb_scheduling()) \ C->hb_scheduling()->_pdScheduling->PdEmulatePipe(archOpcode_none) #define ___advance if (UsePower6SchedulerPPC64 && C->hb_scheduling()) \ C->hb_scheduling()->_pdScheduling->advance_offset #else #define ___(op) if (UsePower6SchedulerPPC64) \ Unimplemented(); \ _masm. #define ___stop if (UsePower6SchedulerPPC64) \ Unimplemented() #define ___advance if (UsePower6SchedulerPPC64) \ Unimplemented() #endif void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { Compile* C = ra_->C; MacroAssembler _masm(&cbuf); const long framesize = C->frame_size_in_bytes(); assert(framesize % (2 * wordSize) == 0, "must preserve 2*wordSize alignment"); const bool method_is_frameless = false /* TODO: PPC port C->is_frameless_method()*/; const Register return_pc = R20; // Must match return_addr() in frame section. const Register callers_sp = R21; const Register push_frame_temp = R22; const Register toc_temp = R23; assert_different_registers(R11, return_pc, callers_sp, push_frame_temp, toc_temp); if (method_is_frameless) { // Add nop at beginning of all frameless methods to prevent any // oop instructions from getting overwritten by make_not_entrant // (patching attempt would fail). ___(nop) nop(); } else { // Get return pc. ___(mflr) mflr(return_pc); } // Calls to C2R adapters often do not accept exceptional returns. // We require that their callers must bang for them. But be // careful, because some VM calls (such as call site linkage) can // use several kilobytes of stack. But the stack safety zone should // account for that. See bugs 4446381, 4468289, 4497237. int bangsize = C->bang_size_in_bytes(); assert(bangsize >= framesize || bangsize <= 0, "stack bang size incorrect"); if (C->need_stack_bang(bangsize) && UseStackBanging) { // Unfortunately we cannot use the function provided in // assembler.cpp as we have to emulate the pipes. So I had to // insert the code of generate_stack_overflow_check(), see // assembler.cpp for some illuminative comments. const int page_size = os::vm_page_size(); int bang_end = StackShadowPages * page_size; // This is how far the previous frame's stack banging extended. const int bang_end_safe = bang_end; if (bangsize > page_size) { bang_end += bangsize; } int bang_offset = bang_end_safe; while (bang_offset <= bang_end) { // Need at least one stack bang at end of shadow zone. // Again I had to copy code, this time from assembler_ppc.cpp, // bang_stack_with_offset - see there for comments. // Stack grows down, caller passes positive offset. assert(bang_offset > 0, "must bang with positive offset"); long stdoffset = -bang_offset; if (Assembler::is_simm(stdoffset, 16)) { // Signed 16 bit offset, a simple std is ok. if (UseLoadInstructionsForStackBangingPPC64) { ___(ld) ld(R0, (int)(signed short)stdoffset, R1_SP); } else { ___(std) std(R0, (int)(signed short)stdoffset, R1_SP); } } else if (Assembler::is_simm(stdoffset, 31)) { // Use largeoffset calculations for addis & ld/std. const int hi = MacroAssembler::largeoffset_si16_si16_hi(stdoffset); const int lo = MacroAssembler::largeoffset_si16_si16_lo(stdoffset); Register tmp = R11; ___(addis) addis(tmp, R1_SP, hi); if (UseLoadInstructionsForStackBangingPPC64) { ___(ld) ld(R0, lo, tmp); } else { ___(std) std(R0, lo, tmp); } } else { ShouldNotReachHere(); } bang_offset += page_size; } // R11 trashed } // C->need_stack_bang(framesize) && UseStackBanging unsigned int bytes = (unsigned int)framesize; long offset = Assembler::align_addr(bytes, frame::alignment_in_bytes); ciMethod *currMethod = C->method(); // Optimized version for most common case. if (UsePower6SchedulerPPC64 && !method_is_frameless && Assembler::is_simm((int)(-offset), 16) && !(false /* ConstantsALot TODO: PPC port*/)) { ___(or) mr(callers_sp, R1_SP); ___(std) std(return_pc, _abi(lr), R1_SP); ___(stdu) stdu(R1_SP, -offset, R1_SP); return; } if (!method_is_frameless) { // Get callers sp. ___(or) mr(callers_sp, R1_SP); // Push method's frame, modifies SP. assert(Assembler::is_uimm(framesize, 32U), "wrong type"); // The ABI is already accounted for in 'framesize' via the // 'out_preserve' area. Register tmp = push_frame_temp; // Had to insert code of push_frame((unsigned int)framesize, push_frame_temp). if (Assembler::is_simm(-offset, 16)) { ___(stdu) stdu(R1_SP, -offset, R1_SP); } else { long x = -offset; // Had to insert load_const(tmp, -offset). ___(addis) lis( tmp, (int)((signed short)(((x >> 32) & 0xffff0000) >> 16))); ___(ori) ori( tmp, tmp, ((x >> 32) & 0x0000ffff)); ___(rldicr) sldi(tmp, tmp, 32); ___(oris) oris(tmp, tmp, (x & 0xffff0000) >> 16); ___(ori) ori( tmp, tmp, (x & 0x0000ffff)); ___(stdux) stdux(R1_SP, R1_SP, tmp); } } #if 0 // TODO: PPC port // For testing large constant pools, emit a lot of constants to constant pool. // "Randomize" const_size. if (ConstantsALot) { const int num_consts = const_size(); for (int i = 0; i < num_consts; i++) { __ long_constant(0xB0B5B00BBABE); } } #endif if (!method_is_frameless) { // Save return pc. ___(std) std(return_pc, _abi(lr), callers_sp); } } #undef ___ #undef ___stop #undef ___advance uint MachPrologNode::size(PhaseRegAlloc *ra_) const { // Variable size. determine dynamically. return MachNode::size(ra_); } int MachPrologNode::reloc() const { // Return number of relocatable values contained in this instruction. return 1; // 1 reloc entry for load_const(toc). } //============================================================================= #ifndef PRODUCT void MachEpilogNode::format(PhaseRegAlloc *ra_, outputStream *st) const { Compile* C = ra_->C; st->print("EPILOG\n\t"); st->print("restore return pc\n\t"); st->print("pop frame\n\t"); if (do_polling() && C->is_method_compilation()) { st->print("touch polling page\n\t"); } } #endif void MachEpilogNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { Compile* C = ra_->C; MacroAssembler _masm(&cbuf); const long framesize = ((long)C->frame_slots()) << LogBytesPerInt; assert(framesize >= 0, "negative frame-size?"); const bool method_needs_polling = do_polling() && C->is_method_compilation(); const bool method_is_frameless = false /* TODO: PPC port C->is_frameless_method()*/; const Register return_pc = R11; const Register polling_page = R12; if (!method_is_frameless) { // Restore return pc relative to callers' sp. __ ld(return_pc, ((int)framesize) + _abi(lr), R1_SP); } if (method_needs_polling) { if (LoadPollAddressFromThread) { // TODO: PPC port __ ld(polling_page, in_bytes(JavaThread::poll_address_offset()), R16_thread); Unimplemented(); } else { __ load_const_optimized(polling_page, (long)(address) os::get_polling_page()); // TODO: PPC port: get_standard_polling_page() } } if (!method_is_frameless) { // Move return pc to LR. __ mtlr(return_pc); // Pop frame (fixed frame-size). __ addi(R1_SP, R1_SP, (int)framesize); } if (method_needs_polling) { // We need to mark the code position where the load from the safepoint // polling page was emitted as relocInfo::poll_return_type here. __ relocate(relocInfo::poll_return_type); __ load_from_polling_page(polling_page); } } uint MachEpilogNode::size(PhaseRegAlloc *ra_) const { // Variable size. Determine dynamically. return MachNode::size(ra_); } int MachEpilogNode::reloc() const { // Return number of relocatable values contained in this instruction. return 1; // 1 for load_from_polling_page. } const Pipeline * MachEpilogNode::pipeline() const { return MachNode::pipeline_class(); } // This method seems to be obsolete. It is declared in machnode.hpp // and defined in all *.ad files, but it is never called. Should we // get rid of it? int MachEpilogNode::safepoint_offset() const { assert(do_polling(), "no return for this epilog node"); return 0; } #if 0 // TODO: PPC port void MachLoadPollAddrLateNode::emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const { MacroAssembler _masm(&cbuf); if (LoadPollAddressFromThread) { _masm.ld(R11, in_bytes(JavaThread::poll_address_offset()), R16_thread); } else { _masm.nop(); } } uint MachLoadPollAddrLateNode::size(PhaseRegAlloc* ra_) const { if (LoadPollAddressFromThread) { return 4; } else { return 4; } } #ifndef PRODUCT void MachLoadPollAddrLateNode::format(PhaseRegAlloc* ra_, outputStream* st) const { st->print_cr(" LD R11, PollAddressOffset, R16_thread \t// LoadPollAddressFromThread"); } #endif const RegMask &MachLoadPollAddrLateNode::out_RegMask() const { return RSCRATCH1_BITS64_REG_mask(); } #endif // PPC port // ============================================================================= // Figure out which register class each belongs in: rc_int, rc_float or // rc_stack. enum RC { rc_bad, rc_int, rc_float, rc_stack }; static enum RC rc_class(OptoReg::Name reg) { // Return the register class for the given register. The given register // reg is a _num value, which is an index into the MachRegisterNumbers // enumeration in adGlobals_ppc64.hpp. if (reg == OptoReg::Bad) return rc_bad; // We have 64 integer register halves, starting at index 0. if (reg < 64) return rc_int; // We have 64 floating-point register halves, starting at index 64. if (reg < 64+64) return rc_float; // Between float regs & stack are the flags regs. assert(OptoReg::is_stack(reg), "blow up if spilling flags"); return rc_stack; } static int ld_st_helper(CodeBuffer *cbuf, const char *op_str, uint opcode, int reg, int offset, bool do_print, Compile* C, outputStream *st) { assert(opcode == Assembler::LD_OPCODE || opcode == Assembler::STD_OPCODE || opcode == Assembler::LWZ_OPCODE || opcode == Assembler::STW_OPCODE || opcode == Assembler::LFD_OPCODE || opcode == Assembler::STFD_OPCODE || opcode == Assembler::LFS_OPCODE || opcode == Assembler::STFS_OPCODE, "opcode not supported"); if (cbuf) { int d = (Assembler::LD_OPCODE == opcode || Assembler::STD_OPCODE == opcode) ? Assembler::ds(offset+0 /* TODO: PPC port C->frame_slots_sp_bias_in_bytes()*/) : Assembler::d1(offset+0 /* TODO: PPC port C->frame_slots_sp_bias_in_bytes()*/); // Makes no difference in opt build. emit_long(*cbuf, opcode | Assembler::rt(Matcher::_regEncode[reg]) | d | Assembler::ra(R1_SP)); } #ifndef PRODUCT else if (do_print) { st->print("%-7s %s, [R1_SP + #%d+%d] \t// spill copy", op_str, Matcher::regName[reg], offset, 0 /* TODO: PPC port C->frame_slots_sp_bias_in_bytes()*/); } #endif return 4; // size } uint MachSpillCopyNode::implementation(CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, outputStream *st) const { Compile* C = ra_->C; // Get registers to move. OptoReg::Name src_hi = ra_->get_reg_second(in(1)); OptoReg::Name src_lo = ra_->get_reg_first(in(1)); OptoReg::Name dst_hi = ra_->get_reg_second(this); OptoReg::Name dst_lo = ra_->get_reg_first(this); enum RC src_hi_rc = rc_class(src_hi); enum RC src_lo_rc = rc_class(src_lo); enum RC dst_hi_rc = rc_class(dst_hi); enum RC dst_lo_rc = rc_class(dst_lo); assert(src_lo != OptoReg::Bad && dst_lo != OptoReg::Bad, "must move at least 1 register"); if (src_hi != OptoReg::Bad) assert((src_lo&1)==0 && src_lo+1==src_hi && (dst_lo&1)==0 && dst_lo+1==dst_hi, "expected aligned-adjacent pairs"); // Generate spill code! int size = 0; if (src_lo == dst_lo && src_hi == dst_hi) return size; // Self copy, no move. // -------------------------------------- // Memory->Memory Spill. Use R0 to hold the value. if (src_lo_rc == rc_stack && dst_lo_rc == rc_stack) { int src_offset = ra_->reg2offset(src_lo); int dst_offset = ra_->reg2offset(dst_lo); if (src_hi != OptoReg::Bad) { assert(src_hi_rc==rc_stack && dst_hi_rc==rc_stack, "expected same type of move for high parts"); size += ld_st_helper(cbuf, "LD ", Assembler::LD_OPCODE, R0_num, src_offset, !do_size, C, st); if (!cbuf && !do_size) st->print("\n\t"); size += ld_st_helper(cbuf, "STD ", Assembler::STD_OPCODE, R0_num, dst_offset, !do_size, C, st); } else { size += ld_st_helper(cbuf, "LWZ ", Assembler::LWZ_OPCODE, R0_num, src_offset, !do_size, C, st); if (!cbuf && !do_size) st->print("\n\t"); size += ld_st_helper(cbuf, "STW ", Assembler::STW_OPCODE, R0_num, dst_offset, !do_size, C, st); } return size; } // -------------------------------------- // Check for float->int copy; requires a trip through memory. if (src_lo_rc == rc_float && dst_lo_rc == rc_int) { Unimplemented(); } // -------------------------------------- // Check for integer reg-reg copy. if (src_lo_rc == rc_int && dst_lo_rc == rc_int) { Register Rsrc = as_Register(Matcher::_regEncode[src_lo]); Register Rdst = as_Register(Matcher::_regEncode[dst_lo]); size = (Rsrc != Rdst) ? 4 : 0; if (cbuf) { MacroAssembler _masm(cbuf); if (size) { __ mr(Rdst, Rsrc); } } #ifndef PRODUCT else if (!do_size) { if (size) { st->print("%-7s %s, %s \t// spill copy", "MR", Matcher::regName[dst_lo], Matcher::regName[src_lo]); } else { st->print("%-7s %s, %s \t// spill copy", "MR-NOP", Matcher::regName[dst_lo], Matcher::regName[src_lo]); } } #endif return size; } // Check for integer store. if (src_lo_rc == rc_int && dst_lo_rc == rc_stack) { int dst_offset = ra_->reg2offset(dst_lo); if (src_hi != OptoReg::Bad) { assert(src_hi_rc==rc_int && dst_hi_rc==rc_stack, "expected same type of move for high parts"); size += ld_st_helper(cbuf, "STD ", Assembler::STD_OPCODE, src_lo, dst_offset, !do_size, C, st); } else { size += ld_st_helper(cbuf, "STW ", Assembler::STW_OPCODE, src_lo, dst_offset, !do_size, C, st); } return size; } // Check for integer load. if (dst_lo_rc == rc_int && src_lo_rc == rc_stack) { int src_offset = ra_->reg2offset(src_lo); if (src_hi != OptoReg::Bad) { assert(dst_hi_rc==rc_int && src_hi_rc==rc_stack, "expected same type of move for high parts"); size += ld_st_helper(cbuf, "LD ", Assembler::LD_OPCODE, dst_lo, src_offset, !do_size, C, st); } else { size += ld_st_helper(cbuf, "LWZ ", Assembler::LWZ_OPCODE, dst_lo, src_offset, !do_size, C, st); } return size; } // Check for float reg-reg copy. if (src_lo_rc == rc_float && dst_lo_rc == rc_float) { if (cbuf) { MacroAssembler _masm(cbuf); FloatRegister Rsrc = as_FloatRegister(Matcher::_regEncode[src_lo]); FloatRegister Rdst = as_FloatRegister(Matcher::_regEncode[dst_lo]); __ fmr(Rdst, Rsrc); } #ifndef PRODUCT else if (!do_size) { st->print("%-7s %s, %s \t// spill copy", "FMR", Matcher::regName[dst_lo], Matcher::regName[src_lo]); } #endif return 4; } // Check for float store. if (src_lo_rc == rc_float && dst_lo_rc == rc_stack) { int dst_offset = ra_->reg2offset(dst_lo); if (src_hi != OptoReg::Bad) { assert(src_hi_rc==rc_float && dst_hi_rc==rc_stack, "expected same type of move for high parts"); size += ld_st_helper(cbuf, "STFD", Assembler::STFD_OPCODE, src_lo, dst_offset, !do_size, C, st); } else { size += ld_st_helper(cbuf, "STFS", Assembler::STFS_OPCODE, src_lo, dst_offset, !do_size, C, st); } return size; } // Check for float load. if (dst_lo_rc == rc_float && src_lo_rc == rc_stack) { int src_offset = ra_->reg2offset(src_lo); if (src_hi != OptoReg::Bad) { assert(dst_hi_rc==rc_float && src_hi_rc==rc_stack, "expected same type of move for high parts"); size += ld_st_helper(cbuf, "LFD ", Assembler::LFD_OPCODE, dst_lo, src_offset, !do_size, C, st); } else { size += ld_st_helper(cbuf, "LFS ", Assembler::LFS_OPCODE, dst_lo, src_offset, !do_size, C, st); } return size; } // -------------------------------------------------------------------- // Check for hi bits still needing moving. Only happens for misaligned // arguments to native calls. if (src_hi == dst_hi) return size; // Self copy; no move. assert(src_hi_rc != rc_bad && dst_hi_rc != rc_bad, "src_hi & dst_hi cannot be Bad"); ShouldNotReachHere(); // Unimplemented return 0; } #ifndef PRODUCT void MachSpillCopyNode::format(PhaseRegAlloc *ra_, outputStream *st) const { if (!ra_) st->print("N%d = SpillCopy(N%d)", _idx, in(1)->_idx); else implementation(NULL, ra_, false, st); } #endif void MachSpillCopyNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { implementation(&cbuf, ra_, false, NULL); } uint MachSpillCopyNode::size(PhaseRegAlloc *ra_) const { return implementation(NULL, ra_, true, NULL); } #if 0 // TODO: PPC port ArchOpcode MachSpillCopyNode_archOpcode(MachSpillCopyNode *n, PhaseRegAlloc *ra_) { #ifndef PRODUCT if (ra_->node_regs_max_index() == 0) return archOpcode_undefined; #endif assert(ra_->node_regs_max_index() != 0, ""); // Get registers to move. OptoReg::Name src_hi = ra_->get_reg_second(n->in(1)); OptoReg::Name src_lo = ra_->get_reg_first(n->in(1)); OptoReg::Name dst_hi = ra_->get_reg_second(n); OptoReg::Name dst_lo = ra_->get_reg_first(n); enum RC src_lo_rc = rc_class(src_lo); enum RC dst_lo_rc = rc_class(dst_lo); if (src_lo == dst_lo && src_hi == dst_hi) return ppc64Opcode_none; // Self copy, no move. // -------------------------------------- // Memory->Memory Spill. Use R0 to hold the value. if (src_lo_rc == rc_stack && dst_lo_rc == rc_stack) { return ppc64Opcode_compound; } // -------------------------------------- // Check for float->int copy; requires a trip through memory. if (src_lo_rc == rc_float && dst_lo_rc == rc_int) { Unimplemented(); } // -------------------------------------- // Check for integer reg-reg copy. if (src_lo_rc == rc_int && dst_lo_rc == rc_int) { Register Rsrc = as_Register(Matcher::_regEncode[src_lo]); Register Rdst = as_Register(Matcher::_regEncode[dst_lo]); if (Rsrc == Rdst) { return ppc64Opcode_none; } else { return ppc64Opcode_or; } } // Check for integer store. if (src_lo_rc == rc_int && dst_lo_rc == rc_stack) { if (src_hi != OptoReg::Bad) { return ppc64Opcode_std; } else { return ppc64Opcode_stw; } } // Check for integer load. if (dst_lo_rc == rc_int && src_lo_rc == rc_stack) { if (src_hi != OptoReg::Bad) { return ppc64Opcode_ld; } else { return ppc64Opcode_lwz; } } // Check for float reg-reg copy. if (src_lo_rc == rc_float && dst_lo_rc == rc_float) { return ppc64Opcode_fmr; } // Check for float store. if (src_lo_rc == rc_float && dst_lo_rc == rc_stack) { if (src_hi != OptoReg::Bad) { return ppc64Opcode_stfd; } else { return ppc64Opcode_stfs; } } // Check for float load. if (dst_lo_rc == rc_float && src_lo_rc == rc_stack) { if (src_hi != OptoReg::Bad) { return ppc64Opcode_lfd; } else { return ppc64Opcode_lfs; } } // -------------------------------------------------------------------- // Check for hi bits still needing moving. Only happens for misaligned // arguments to native calls. if (src_hi == dst_hi) { return ppc64Opcode_none; // Self copy; no move. } ShouldNotReachHere(); return ppc64Opcode_undefined; } #endif // PPC port #ifndef PRODUCT void MachNopNode::format(PhaseRegAlloc *ra_, outputStream *st) const { st->print("NOP \t// %d nops to pad for loops.", _count); } #endif void MachNopNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *) const { MacroAssembler _masm(&cbuf); // _count contains the number of nops needed for padding. for (int i = 0; i < _count; i++) { __ nop(); } } uint MachNopNode::size(PhaseRegAlloc *ra_) const { return _count * 4; } #ifndef PRODUCT void BoxLockNode::format(PhaseRegAlloc *ra_, outputStream *st) const { int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()); char reg_str[128]; ra_->dump_register(this, reg_str); st->print("ADDI %s, SP, %d \t// box node", reg_str, offset); } #endif void BoxLockNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { MacroAssembler _masm(&cbuf); int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()); int reg = ra_->get_encode(this); if (Assembler::is_simm(offset, 16)) { __ addi(as_Register(reg), R1, offset); } else { ShouldNotReachHere(); } } uint BoxLockNode::size(PhaseRegAlloc *ra_) const { // BoxLockNode is not a MachNode, so we can't just call MachNode::size(ra_). return 4; } #ifndef PRODUCT void MachUEPNode::format(PhaseRegAlloc *ra_, outputStream *st) const { st->print_cr("---- MachUEPNode ----"); st->print_cr("..."); } #endif void MachUEPNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { // This is the unverified entry point. MacroAssembler _masm(&cbuf); // Inline_cache contains a klass. Register ic_klass = as_Register(Matcher::inline_cache_reg_encode()); Register receiver_klass = R12_scratch2; // tmp assert_different_registers(ic_klass, receiver_klass, R11_scratch1, R3_ARG1); assert(R11_scratch1 == R11, "need prologue scratch register"); // Check for NULL argument if we don't have implicit null checks. if (!ImplicitNullChecks || !os::zero_page_read_protected()) { if (TrapBasedNullChecks) { __ trap_null_check(R3_ARG1); } else { Label valid; __ cmpdi(CCR0, R3_ARG1, 0); __ bne_predict_taken(CCR0, valid); // We have a null argument, branch to ic_miss_stub. __ b64_patchable((address)SharedRuntime::get_ic_miss_stub(), relocInfo::runtime_call_type); __ bind(valid); } } // Assume argument is not NULL, load klass from receiver. __ load_klass(receiver_klass, R3_ARG1); if (TrapBasedICMissChecks) { __ trap_ic_miss_check(receiver_klass, ic_klass); } else { Label valid; __ cmpd(CCR0, receiver_klass, ic_klass); __ beq_predict_taken(CCR0, valid); // We have an unexpected klass, branch to ic_miss_stub. __ b64_patchable((address)SharedRuntime::get_ic_miss_stub(), relocInfo::runtime_call_type); __ bind(valid); } // Argument is valid and klass is as expected, continue. } #if 0 // TODO: PPC port // Optimize UEP code on z (save a load_const() call in main path). int MachUEPNode::ep_offset() { return 0; } #endif uint MachUEPNode::size(PhaseRegAlloc *ra_) const { // Variable size. Determine dynamically. return MachNode::size(ra_); } //============================================================================= %} // interrupt source source_hpp %{ // Header information of the source block. class HandlerImpl { public: static int emit_exception_handler(CodeBuffer &cbuf); static int emit_deopt_handler(CodeBuffer& cbuf); static uint size_exception_handler() { // The exception_handler is a b64_patchable. return MacroAssembler::b64_patchable_size; } static uint size_deopt_handler() { // The deopt_handler is a bl64_patchable. return MacroAssembler::bl64_patchable_size; } }; %} // end source_hpp source %{ int HandlerImpl::emit_exception_handler(CodeBuffer &cbuf) { MacroAssembler _masm(&cbuf); address base = __ start_a_stub(size_exception_handler()); if (base == NULL) return 0; // CodeBuffer::expand failed int offset = __ offset(); __ b64_patchable((address)OptoRuntime::exception_blob()->content_begin(), relocInfo::runtime_call_type); assert(__ offset() - offset == (int)size_exception_handler(), "must be fixed size"); __ end_a_stub(); return offset; } // The deopt_handler is like the exception handler, but it calls to // the deoptimization blob instead of jumping to the exception blob. int HandlerImpl::emit_deopt_handler(CodeBuffer& cbuf) { MacroAssembler _masm(&cbuf); address base = __ start_a_stub(size_deopt_handler()); if (base == NULL) return 0; // CodeBuffer::expand failed int offset = __ offset(); __ bl64_patchable((address)SharedRuntime::deopt_blob()->unpack(), relocInfo::runtime_call_type); assert(__ offset() - offset == (int) size_deopt_handler(), "must be fixed size"); __ end_a_stub(); return offset; } //============================================================================= // Use a frame slots bias for frameless methods if accessing the stack. static int frame_slots_bias(int reg_enc, PhaseRegAlloc* ra_) { if (as_Register(reg_enc) == R1_SP) { return 0; // TODO: PPC port ra_->C->frame_slots_sp_bias_in_bytes(); } return 0; } const bool Matcher::match_rule_supported(int opcode) { if (!has_match_rule(opcode)) return false; switch (opcode) { case Op_SqrtD: return VM_Version::has_fsqrt(); case Op_CountLeadingZerosI: case Op_CountLeadingZerosL: case Op_CountTrailingZerosI: case Op_CountTrailingZerosL: if (!UseCountLeadingZerosInstructionsPPC64) return false; break; case Op_PopCountI: case Op_PopCountL: return (UsePopCountInstruction && VM_Version::has_popcntw()); case Op_StrComp: return SpecialStringCompareTo; case Op_StrEquals: return SpecialStringEquals; case Op_StrIndexOf: return SpecialStringIndexOf; } return true; // Per default match rules are supported. } int Matcher::regnum_to_fpu_offset(int regnum) { // No user for this method? Unimplemented(); return 999; } const bool Matcher::convL2FSupported(void) { // fcfids can do the conversion (>= Power7). // fcfid + frsp showed rounding problem when result should be 0x3f800001. return VM_Version::has_fcfids(); // False means that conversion is done by runtime call. } // Vector width in bytes. const int Matcher::vector_width_in_bytes(BasicType bt) { assert(MaxVectorSize == 8, ""); return 8; } // Vector ideal reg. const int Matcher::vector_ideal_reg(int size) { assert(MaxVectorSize == 8 && size == 8, ""); return Op_RegL; } const int Matcher::vector_shift_count_ideal_reg(int size) { fatal("vector shift is not supported"); return Node::NotAMachineReg; } // Limits on vector size (number of elements) loaded into vector. const int Matcher::max_vector_size(const BasicType bt) { assert(is_java_primitive(bt), "only primitive type vectors"); return vector_width_in_bytes(bt)/type2aelembytes(bt); } const int Matcher::min_vector_size(const BasicType bt) { return max_vector_size(bt); // Same as max. } // PPC doesn't support misaligned vectors store/load. const bool Matcher::misaligned_vectors_ok() { return false; } // PPC AES support not yet implemented const bool Matcher::pass_original_key_for_aes() { return false; } // RETURNS: whether this branch offset is short enough that a short // branch can be used. // // If the platform does not provide any short branch variants, then // this method should return `false' for offset 0. // // `Compile::Fill_buffer' will decide on basis of this information // whether to do the pass `Compile::Shorten_branches' at all. // // And `Compile::Shorten_branches' will decide on basis of this // information whether to replace particular branch sites by short // ones. bool Matcher::is_short_branch_offset(int rule, int br_size, int offset) { // Is the offset within the range of a ppc64 pc relative branch? bool b; const int safety_zone = 3 * BytesPerInstWord; b = Assembler::is_simm((offset<0 ? offset-safety_zone : offset+safety_zone), 29 - 16 + 1 + 2); return b; } const bool Matcher::isSimpleConstant64(jlong value) { // Probably always true, even if a temp register is required. return true; } /* TODO: PPC port // Make a new machine dependent decode node (with its operands). MachTypeNode *Matcher::make_decode_node(Compile *C) { assert(Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0, "This method is only implemented for unscaled cOops mode so far"); MachTypeNode *decode = new (C) decodeN_unscaledNode(); decode->set_opnd_array(0, new (C) iRegPdstOper()); decode->set_opnd_array(1, new (C) iRegNsrcOper()); return decode; } */ // Threshold size for cleararray. const int Matcher::init_array_short_size = 8 * BytesPerLong; // false => size gets scaled to BytesPerLong, ok. const bool Matcher::init_array_count_is_in_bytes = false; // Use conditional move (CMOVL) on Power7. const int Matcher::long_cmove_cost() { return 0; } // this only makes long cmoves more expensive than int cmoves // Suppress CMOVF. Conditional move available (sort of) on PPC64 only from P7 onwards. Not exploited yet. // fsel doesn't accept a condition register as input, so this would be slightly different. const int Matcher::float_cmove_cost() { return ConditionalMoveLimit; } // Power6 requires postalloc expand (see block.cpp for description of postalloc expand). const bool Matcher::require_postalloc_expand = true; // Should the Matcher clone shifts on addressing modes, expecting them to // be subsumed into complex addressing expressions or compute them into // registers? True for Intel but false for most RISCs. const bool Matcher::clone_shift_expressions = false; // Do we need to mask the count passed to shift instructions or does // the cpu only look at the lower 5/6 bits anyway? // PowerPC requires masked shift counts. const bool Matcher::need_masked_shift_count = true; // This affects two different things: // - how Decode nodes are matched // - how ImplicitNullCheck opportunities are recognized // If true, the matcher will try to remove all Decodes and match them // (as operands) into nodes. NullChecks are not prepared to deal with // Decodes by final_graph_reshaping(). // If false, final_graph_reshaping() forces the decode behind the Cmp // for a NullCheck. The matcher matches the Decode node into a register. // Implicit_null_check optimization moves the Decode along with the // memory operation back up before the NullCheck. bool Matcher::narrow_oop_use_complex_address() { // TODO: PPC port if (MatchDecodeNodes) return true; return false; } bool Matcher::narrow_klass_use_complex_address() { NOT_LP64(ShouldNotCallThis()); assert(UseCompressedClassPointers, "only for compressed klass code"); // TODO: PPC port if (MatchDecodeNodes) return true; return false; } // Is it better to copy float constants, or load them directly from memory? // Intel can load a float constant from a direct address, requiring no // extra registers. Most RISCs will have to materialize an address into a // register first, so they would do better to copy the constant from stack. const bool Matcher::rematerialize_float_constants = false; // If CPU can load and store mis-aligned doubles directly then no fixup is // needed. Else we split the double into 2 integer pieces and move it // piece-by-piece. Only happens when passing doubles into C code as the // Java calling convention forces doubles to be aligned. const bool Matcher::misaligned_doubles_ok = true; void Matcher::pd_implicit_null_fixup(MachNode *node, uint idx) { Unimplemented(); } // Advertise here if the CPU requires explicit rounding operations // to implement the UseStrictFP mode. const bool Matcher::strict_fp_requires_explicit_rounding = false; // Do floats take an entire double register or just half? // // A float occupies a ppc64 double register. For the allocator, a // ppc64 double register appears as a pair of float registers. bool Matcher::float_in_double() { return true; } // Do ints take an entire long register or just half? // The relevant question is how the int is callee-saved: // the whole long is written but de-opt'ing will have to extract // the relevant 32 bits. const bool Matcher::int_in_long = true; // Constants for c2c and c calling conventions. const MachRegisterNumbers iarg_reg[8] = { R3_num, R4_num, R5_num, R6_num, R7_num, R8_num, R9_num, R10_num }; const MachRegisterNumbers farg_reg[13] = { F1_num, F2_num, F3_num, F4_num, F5_num, F6_num, F7_num, F8_num, F9_num, F10_num, F11_num, F12_num, F13_num }; const int num_iarg_registers = sizeof(iarg_reg) / sizeof(iarg_reg[0]); const int num_farg_registers = sizeof(farg_reg) / sizeof(farg_reg[0]); // Return whether or not this register is ever used as an argument. This // function is used on startup to build the trampoline stubs in generateOptoStub. // Registers not mentioned will be killed by the VM call in the trampoline, and // arguments in those registers not be available to the callee. bool Matcher::can_be_java_arg(int reg) { // We return true for all registers contained in iarg_reg[] and // farg_reg[] and their virtual halves. // We must include the virtual halves in order to get STDs and LDs // instead of STWs and LWs in the trampoline stubs. if ( reg == R3_num || reg == R3_H_num || reg == R4_num || reg == R4_H_num || reg == R5_num || reg == R5_H_num || reg == R6_num || reg == R6_H_num || reg == R7_num || reg == R7_H_num || reg == R8_num || reg == R8_H_num || reg == R9_num || reg == R9_H_num || reg == R10_num || reg == R10_H_num) return true; if ( reg == F1_num || reg == F1_H_num || reg == F2_num || reg == F2_H_num || reg == F3_num || reg == F3_H_num || reg == F4_num || reg == F4_H_num || reg == F5_num || reg == F5_H_num || reg == F6_num || reg == F6_H_num || reg == F7_num || reg == F7_H_num || reg == F8_num || reg == F8_H_num || reg == F9_num || reg == F9_H_num || reg == F10_num || reg == F10_H_num || reg == F11_num || reg == F11_H_num || reg == F12_num || reg == F12_H_num || reg == F13_num || reg == F13_H_num) return true; return false; } bool Matcher::is_spillable_arg(int reg) { return can_be_java_arg(reg); } bool Matcher::use_asm_for_ldiv_by_con(jlong divisor) { return false; } // Register for DIVI projection of divmodI. RegMask Matcher::divI_proj_mask() { ShouldNotReachHere(); return RegMask(); } // Register for MODI projection of divmodI. RegMask Matcher::modI_proj_mask() { ShouldNotReachHere(); return RegMask(); } // Register for DIVL projection of divmodL. RegMask Matcher::divL_proj_mask() { ShouldNotReachHere(); return RegMask(); } // Register for MODL projection of divmodL. RegMask Matcher::modL_proj_mask() { ShouldNotReachHere(); return RegMask(); } const RegMask Matcher::method_handle_invoke_SP_save_mask() { return RegMask(); } %} //----------ENCODING BLOCK----------------------------------------------------- // This block specifies the encoding classes used by the compiler to output // byte streams. Encoding classes are parameterized macros used by // Machine Instruction Nodes in order to generate the bit encoding of the // instruction. Operands specify their base encoding interface with the // interface keyword. There are currently supported four interfaces, // REG_INTER, CONST_INTER, MEMORY_INTER, & COND_INTER. REG_INTER causes an // operand to generate a function which returns its register number when // queried. CONST_INTER causes an operand to generate a function which // returns the value of the constant when queried. MEMORY_INTER causes an // operand to generate four functions which return the Base Register, the // Index Register, the Scale Value, and the Offset Value of the operand when // queried. COND_INTER causes an operand to generate six functions which // return the encoding code (ie - encoding bits for the instruction) // associated with each basic boolean condition for a conditional instruction. // // Instructions specify two basic values for encoding. Again, a function // is available to check if the constant displacement is an oop. They use the // ins_encode keyword to specify their encoding classes (which must be // a sequence of enc_class names, and their parameters, specified in // the encoding block), and they use the // opcode keyword to specify, in order, their primary, secondary, and // tertiary opcode. Only the opcode sections which a particular instruction // needs for encoding need to be specified. encode %{ enc_class enc_unimplemented %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); __ unimplemented("Unimplemented mach node encoding in AD file.", 13); %} enc_class enc_untested %{ #ifdef ASSERT // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); __ untested("Untested mach node encoding in AD file."); #else // TODO: PPC port $archOpcode(ppc64Opcode_none); #endif %} enc_class enc_lbz(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_lbz); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lbz($dst$$Register, Idisp, $mem$$base$$Register); %} // Load acquire. enc_class enc_lbz_ac(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lbz($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} enc_class enc_lhz(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_lhz); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lhz($dst$$Register, Idisp, $mem$$base$$Register); %} // Load acquire. enc_class enc_lhz_ac(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lhz($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} enc_class enc_lwz(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwz); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lwz($dst$$Register, Idisp, $mem$$base$$Register); %} // Load acquire. enc_class enc_lwz_ac(iRegIdst dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lwz($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} enc_class enc_ld(iRegLdst dst, memoryAlg4 mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); // Operand 'ds' requires 4-alignment. assert((Idisp & 0x3) == 0, "unaligned offset"); __ ld($dst$$Register, Idisp, $mem$$base$$Register); %} // Load acquire. enc_class enc_ld_ac(iRegLdst dst, memoryAlg4 mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); // Operand 'ds' requires 4-alignment. assert((Idisp & 0x3) == 0, "unaligned offset"); __ ld($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} enc_class enc_lfd(RegF dst, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_lfd); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lfd($dst$$FloatRegister, Idisp, $mem$$base$$Register); %} enc_class enc_load_long_constL(iRegLdst dst, immL src, iRegLdst toc) %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); MacroAssembler _masm(&cbuf); int toc_offset = 0; if (!ra_->C->in_scratch_emit_size()) { address const_toc_addr; // Create a non-oop constant, no relocation needed. // If it is an IC, it has a virtual_call_Relocation. const_toc_addr = __ long_constant((jlong)$src$$constant); // Get the constant's TOC offset. toc_offset = __ offset_to_method_toc(const_toc_addr); // Keep the current instruction offset in mind. ((loadConLNode*)this)->_cbuf_insts_offset = __ offset(); } __ ld($dst$$Register, toc_offset, $toc$$Register); %} enc_class enc_load_long_constL_hi(iRegLdst dst, iRegLdst toc, immL src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); MacroAssembler _masm(&cbuf); if (!ra_->C->in_scratch_emit_size()) { address const_toc_addr; // Create a non-oop constant, no relocation needed. // If it is an IC, it has a virtual_call_Relocation. const_toc_addr = __ long_constant((jlong)$src$$constant); // Get the constant's TOC offset. const int toc_offset = __ offset_to_method_toc(const_toc_addr); // Store the toc offset of the constant. ((loadConL_hiNode*)this)->_const_toc_offset = toc_offset; // Also keep the current instruction offset in mind. ((loadConL_hiNode*)this)->_cbuf_insts_offset = __ offset(); } __ addis($dst$$Register, $toc$$Register, MacroAssembler::largeoffset_si16_si16_hi(_const_toc_offset)); %} %} // encode source %{ typedef struct { loadConL_hiNode *_large_hi; loadConL_loNode *_large_lo; loadConLNode *_small; MachNode *_last; } loadConLNodesTuple; loadConLNodesTuple loadConLNodesTuple_create(Compile *C, PhaseRegAlloc *ra_, Node *toc, immLOper *immSrc, OptoReg::Name reg_second, OptoReg::Name reg_first) { loadConLNodesTuple nodes; const bool large_constant_pool = true; // TODO: PPC port C->cfg()->_consts_size > 4000; if (large_constant_pool) { // Create new nodes. loadConL_hiNode *m1 = new (C) loadConL_hiNode(); loadConL_loNode *m2 = new (C) loadConL_loNode(); // inputs for new nodes m1->add_req(NULL, toc); m2->add_req(NULL, m1); // operands for new nodes m1->_opnds[0] = new (C) iRegLdstOper(); // dst m1->_opnds[1] = immSrc; // src m1->_opnds[2] = new (C) iRegPdstOper(); // toc m2->_opnds[0] = new (C) iRegLdstOper(); // dst m2->_opnds[1] = immSrc; // src m2->_opnds[2] = new (C) iRegLdstOper(); // base // Initialize ins_attrib TOC fields. m1->_const_toc_offset = -1; m2->_const_toc_offset_hi_node = m1; // Initialize ins_attrib instruction offset. m1->_cbuf_insts_offset = -1; // register allocation for new nodes ra_->set_pair(m1->_idx, reg_second, reg_first); ra_->set_pair(m2->_idx, reg_second, reg_first); // Create result. nodes._large_hi = m1; nodes._large_lo = m2; nodes._small = NULL; nodes._last = nodes._large_lo; assert(m2->bottom_type()->isa_long(), "must be long"); } else { loadConLNode *m2 = new (C) loadConLNode(); // inputs for new nodes m2->add_req(NULL, toc); // operands for new nodes m2->_opnds[0] = new (C) iRegLdstOper(); // dst m2->_opnds[1] = immSrc; // src m2->_opnds[2] = new (C) iRegPdstOper(); // toc // Initialize ins_attrib instruction offset. m2->_cbuf_insts_offset = -1; // register allocation for new nodes ra_->set_pair(m2->_idx, reg_second, reg_first); // Create result. nodes._large_hi = NULL; nodes._large_lo = NULL; nodes._small = m2; nodes._last = nodes._small; assert(m2->bottom_type()->isa_long(), "must be long"); } return nodes; } %} // source encode %{ // Postalloc expand emitter for loading a long constant from the method's TOC. // Enc_class needed as consttanttablebase is not supported by postalloc // expand. enc_class postalloc_expand_load_long_constant(iRegLdst dst, immL src, iRegLdst toc) %{ // Create new nodes. loadConLNodesTuple loadConLNodes = loadConLNodesTuple_create(C, ra_, n_toc, op_src, ra_->get_reg_second(this), ra_->get_reg_first(this)); // Push new nodes. if (loadConLNodes._large_hi) nodes->push(loadConLNodes._large_hi); if (loadConLNodes._last) nodes->push(loadConLNodes._last); // some asserts assert(nodes->length() >= 1, "must have created at least 1 node"); assert(loadConLNodes._last->bottom_type()->isa_long(), "must be long"); %} enc_class enc_load_long_constP(iRegLdst dst, immP src, iRegLdst toc) %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); MacroAssembler _masm(&cbuf); int toc_offset = 0; if (!ra_->C->in_scratch_emit_size()) { intptr_t val = $src$$constant; relocInfo::relocType constant_reloc = $src->constant_reloc(); // src address const_toc_addr; if (constant_reloc == relocInfo::oop_type) { // Create an oop constant and a corresponding relocation. AddressLiteral a = __ allocate_oop_address((jobject)val); const_toc_addr = __ address_constant((address)a.value(), RelocationHolder::none); __ relocate(a.rspec()); } else if (constant_reloc == relocInfo::metadata_type) { AddressLiteral a = __ allocate_metadata_address((Metadata *)val); const_toc_addr = __ address_constant((address)a.value(), RelocationHolder::none); __ relocate(a.rspec()); } else { // Create a non-oop constant, no relocation needed. const_toc_addr = __ long_constant((jlong)$src$$constant); } // Get the constant's TOC offset. toc_offset = __ offset_to_method_toc(const_toc_addr); } __ ld($dst$$Register, toc_offset, $toc$$Register); %} enc_class enc_load_long_constP_hi(iRegLdst dst, immP src, iRegLdst toc) %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); MacroAssembler _masm(&cbuf); if (!ra_->C->in_scratch_emit_size()) { intptr_t val = $src$$constant; relocInfo::relocType constant_reloc = $src->constant_reloc(); // src address const_toc_addr; if (constant_reloc == relocInfo::oop_type) { // Create an oop constant and a corresponding relocation. AddressLiteral a = __ allocate_oop_address((jobject)val); const_toc_addr = __ address_constant((address)a.value(), RelocationHolder::none); __ relocate(a.rspec()); } else if (constant_reloc == relocInfo::metadata_type) { AddressLiteral a = __ allocate_metadata_address((Metadata *)val); const_toc_addr = __ address_constant((address)a.value(), RelocationHolder::none); __ relocate(a.rspec()); } else { // non-oop pointers, e.g. card mark base, heap top // Create a non-oop constant, no relocation needed. const_toc_addr = __ long_constant((jlong)$src$$constant); } // Get the constant's TOC offset. const int toc_offset = __ offset_to_method_toc(const_toc_addr); // Store the toc offset of the constant. ((loadConP_hiNode*)this)->_const_toc_offset = toc_offset; } __ addis($dst$$Register, $toc$$Register, MacroAssembler::largeoffset_si16_si16_hi(_const_toc_offset)); %} // Postalloc expand emitter for loading a ptr constant from the method's TOC. // Enc_class needed as consttanttablebase is not supported by postalloc // expand. enc_class postalloc_expand_load_ptr_constant(iRegPdst dst, immP src, iRegLdst toc) %{ const bool large_constant_pool = true; // TODO: PPC port C->cfg()->_consts_size > 4000; if (large_constant_pool) { // Create new nodes. loadConP_hiNode *m1 = new (C) loadConP_hiNode(); loadConP_loNode *m2 = new (C) loadConP_loNode(); // inputs for new nodes m1->add_req(NULL, n_toc); m2->add_req(NULL, m1); // operands for new nodes m1->_opnds[0] = new (C) iRegPdstOper(); // dst m1->_opnds[1] = op_src; // src m1->_opnds[2] = new (C) iRegPdstOper(); // toc m2->_opnds[0] = new (C) iRegPdstOper(); // dst m2->_opnds[1] = op_src; // src m2->_opnds[2] = new (C) iRegLdstOper(); // base // Initialize ins_attrib TOC fields. m1->_const_toc_offset = -1; m2->_const_toc_offset_hi_node = m1; // Register allocation for new nodes. ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m1); nodes->push(m2); assert(m2->bottom_type()->isa_ptr(), "must be ptr"); } else { loadConPNode *m2 = new (C) loadConPNode(); // inputs for new nodes m2->add_req(NULL, n_toc); // operands for new nodes m2->_opnds[0] = new (C) iRegPdstOper(); // dst m2->_opnds[1] = op_src; // src m2->_opnds[2] = new (C) iRegPdstOper(); // toc // Register allocation for new nodes. ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m2); assert(m2->bottom_type()->isa_ptr(), "must be ptr"); } %} // Enc_class needed as consttanttablebase is not supported by postalloc // expand. enc_class postalloc_expand_load_float_constant(regF dst, immF src, iRegLdst toc) %{ bool large_constant_pool = true; // TODO: PPC port C->cfg()->_consts_size > 4000; MachNode *m2; if (large_constant_pool) { m2 = new (C) loadConFCompNode(); } else { m2 = new (C) loadConFNode(); } // inputs for new nodes m2->add_req(NULL, n_toc); // operands for new nodes m2->_opnds[0] = op_dst; m2->_opnds[1] = op_src; m2->_opnds[2] = new (C) iRegPdstOper(); // constanttablebase // register allocation for new nodes ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m2); %} // Enc_class needed as consttanttablebase is not supported by postalloc // expand. enc_class postalloc_expand_load_double_constant(regD dst, immD src, iRegLdst toc) %{ bool large_constant_pool = true; // TODO: PPC port C->cfg()->_consts_size > 4000; MachNode *m2; if (large_constant_pool) { m2 = new (C) loadConDCompNode(); } else { m2 = new (C) loadConDNode(); } // inputs for new nodes m2->add_req(NULL, n_toc); // operands for new nodes m2->_opnds[0] = op_dst; m2->_opnds[1] = op_src; m2->_opnds[2] = new (C) iRegPdstOper(); // constanttablebase // register allocation for new nodes ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m2); %} enc_class enc_stw(iRegIsrc src, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_stw); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ stw($src$$Register, Idisp, $mem$$base$$Register); %} enc_class enc_std(iRegIsrc src, memoryAlg4 mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_std); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); // Operand 'ds' requires 4-alignment. assert((Idisp & 0x3) == 0, "unaligned offset"); __ std($src$$Register, Idisp, $mem$$base$$Register); %} enc_class enc_stfs(RegF src, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_stfs); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ stfs($src$$FloatRegister, Idisp, $mem$$base$$Register); %} enc_class enc_stfd(RegF src, memory mem) %{ // TODO: PPC port $archOpcode(ppc64Opcode_stfd); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ stfd($src$$FloatRegister, Idisp, $mem$$base$$Register); %} // Use release_store for card-marking to ensure that previous // oop-stores are visible before the card-mark change. enc_class enc_cms_card_mark(memory mem, iRegLdst releaseFieldAddr) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); // FIXME: Implement this as a cmove and use a fixed condition code // register which is written on every transition to compiled code, // e.g. in call-stub and when returning from runtime stubs. // // Proposed code sequence for the cmove implementation: // // Label skip_release; // __ beq(CCRfixed, skip_release); // __ release(); // __ bind(skip_release); // __ stb(card mark); MacroAssembler _masm(&cbuf); Label skip_storestore; #if 0 // TODO: PPC port // Check CMSCollectorCardTableModRefBSExt::_requires_release and do the // StoreStore barrier conditionally. __ lwz(R0, 0, $releaseFieldAddr$$Register); __ cmpwi(CCR0, R0, 0); __ beq_predict_taken(CCR0, skip_storestore); #endif __ li(R0, 0); __ membar(Assembler::StoreStore); #if 0 // TODO: PPC port __ bind(skip_storestore); #endif // Do the store. if ($mem$$index == 0) { __ stb(R0, $mem$$disp, $mem$$base$$Register); } else { assert(0 == $mem$$disp, "no displacement possible with indexed load/stores on ppc"); __ stbx(R0, $mem$$base$$Register, $mem$$index$$Register); } %} enc_class postalloc_expand_encode_oop(iRegNdst dst, iRegPdst src, flagsReg crx) %{ if (VM_Version::has_isel()) { // use isel instruction with Power 7 cmpP_reg_imm16Node *n_compare = new (C) cmpP_reg_imm16Node(); encodeP_subNode *n_sub_base = new (C) encodeP_subNode(); encodeP_shiftNode *n_shift = new (C) encodeP_shiftNode(); cond_set_0_oopNode *n_cond_set = new (C) cond_set_0_oopNode(); n_compare->add_req(n_region, n_src); n_compare->_opnds[0] = op_crx; n_compare->_opnds[1] = op_src; n_compare->_opnds[2] = new (C) immL16Oper(0); n_sub_base->add_req(n_region, n_src); n_sub_base->_opnds[0] = op_dst; n_sub_base->_opnds[1] = op_src; n_sub_base->_bottom_type = _bottom_type; n_shift->add_req(n_region, n_sub_base); n_shift->_opnds[0] = op_dst; n_shift->_opnds[1] = op_dst; n_shift->_bottom_type = _bottom_type; n_cond_set->add_req(n_region, n_compare, n_shift); n_cond_set->_opnds[0] = op_dst; n_cond_set->_opnds[1] = op_crx; n_cond_set->_opnds[2] = op_dst; n_cond_set->_bottom_type = _bottom_type; ra_->set_pair(n_compare->_idx, ra_->get_reg_second(n_crx), ra_->get_reg_first(n_crx)); ra_->set_pair(n_sub_base->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_shift->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_cond_set->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n_compare); nodes->push(n_sub_base); nodes->push(n_shift); nodes->push(n_cond_set); } else { // before Power 7 moveRegNode *n_move = new (C) moveRegNode(); cmpP_reg_imm16Node *n_compare = new (C) cmpP_reg_imm16Node(); encodeP_shiftNode *n_shift = new (C) encodeP_shiftNode(); cond_sub_baseNode *n_sub_base = new (C) cond_sub_baseNode(); n_move->add_req(n_region, n_src); n_move->_opnds[0] = op_dst; n_move->_opnds[1] = op_src; ra_->set_oop(n_move, true); // Until here, 'n_move' still produces an oop. n_compare->add_req(n_region, n_src); n_compare->add_prec(n_move); n_compare->_opnds[0] = op_crx; n_compare->_opnds[1] = op_src; n_compare->_opnds[2] = new (C) immL16Oper(0); n_sub_base->add_req(n_region, n_compare, n_src); n_sub_base->_opnds[0] = op_dst; n_sub_base->_opnds[1] = op_crx; n_sub_base->_opnds[2] = op_src; n_sub_base->_bottom_type = _bottom_type; n_shift->add_req(n_region, n_sub_base); n_shift->_opnds[0] = op_dst; n_shift->_opnds[1] = op_dst; n_shift->_bottom_type = _bottom_type; ra_->set_pair(n_shift->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_compare->_idx, ra_->get_reg_second(n_crx), ra_->get_reg_first(n_crx)); ra_->set_pair(n_sub_base->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_move->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n_move); nodes->push(n_compare); nodes->push(n_sub_base); nodes->push(n_shift); } assert(!(ra_->is_oop(this)), "sanity"); // This is not supposed to be GC'ed. %} enc_class postalloc_expand_encode_oop_not_null(iRegNdst dst, iRegPdst src) %{ encodeP_subNode *n1 = new (C) encodeP_subNode(); n1->add_req(n_region, n_src); n1->_opnds[0] = op_dst; n1->_opnds[1] = op_src; n1->_bottom_type = _bottom_type; encodeP_shiftNode *n2 = new (C) encodeP_shiftNode(); n2->add_req(n_region, n1); n2->_opnds[0] = op_dst; n2->_opnds[1] = op_dst; n2->_bottom_type = _bottom_type; ra_->set_pair(n1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n1); nodes->push(n2); assert(!(ra_->is_oop(this)), "sanity"); // This is not supposed to be GC'ed. %} enc_class postalloc_expand_decode_oop(iRegPdst dst, iRegNsrc src, flagsReg crx) %{ decodeN_shiftNode *n_shift = new (C) decodeN_shiftNode(); cmpN_reg_imm0Node *n_compare = new (C) cmpN_reg_imm0Node(); n_compare->add_req(n_region, n_src); n_compare->_opnds[0] = op_crx; n_compare->_opnds[1] = op_src; n_compare->_opnds[2] = new (C) immN_0Oper(TypeNarrowOop::NULL_PTR); n_shift->add_req(n_region, n_src); n_shift->_opnds[0] = op_dst; n_shift->_opnds[1] = op_src; n_shift->_bottom_type = _bottom_type; if (VM_Version::has_isel()) { // use isel instruction with Power 7 decodeN_addNode *n_add_base = new (C) decodeN_addNode(); n_add_base->add_req(n_region, n_shift); n_add_base->_opnds[0] = op_dst; n_add_base->_opnds[1] = op_dst; n_add_base->_bottom_type = _bottom_type; cond_set_0_ptrNode *n_cond_set = new (C) cond_set_0_ptrNode(); n_cond_set->add_req(n_region, n_compare, n_add_base); n_cond_set->_opnds[0] = op_dst; n_cond_set->_opnds[1] = op_crx; n_cond_set->_opnds[2] = op_dst; n_cond_set->_bottom_type = _bottom_type; assert(ra_->is_oop(this) == true, "A decodeN node must produce an oop!"); ra_->set_oop(n_cond_set, true); ra_->set_pair(n_shift->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_compare->_idx, ra_->get_reg_second(n_crx), ra_->get_reg_first(n_crx)); ra_->set_pair(n_add_base->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_cond_set->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n_compare); nodes->push(n_shift); nodes->push(n_add_base); nodes->push(n_cond_set); } else { // before Power 7 cond_add_baseNode *n_add_base = new (C) cond_add_baseNode(); n_add_base->add_req(n_region, n_compare, n_shift); n_add_base->_opnds[0] = op_dst; n_add_base->_opnds[1] = op_crx; n_add_base->_opnds[2] = op_dst; n_add_base->_bottom_type = _bottom_type; assert(ra_->is_oop(this) == true, "A decodeN node must produce an oop!"); ra_->set_oop(n_add_base, true); ra_->set_pair(n_shift->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n_compare->_idx, ra_->get_reg_second(n_crx), ra_->get_reg_first(n_crx)); ra_->set_pair(n_add_base->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n_compare); nodes->push(n_shift); nodes->push(n_add_base); } %} enc_class postalloc_expand_decode_oop_not_null(iRegPdst dst, iRegNsrc src) %{ decodeN_shiftNode *n1 = new (C) decodeN_shiftNode(); n1->add_req(n_region, n_src); n1->_opnds[0] = op_dst; n1->_opnds[1] = op_src; n1->_bottom_type = _bottom_type; decodeN_addNode *n2 = new (C) decodeN_addNode(); n2->add_req(n_region, n1); n2->_opnds[0] = op_dst; n2->_opnds[1] = op_dst; n2->_bottom_type = _bottom_type; ra_->set_pair(n1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); assert(ra_->is_oop(this) == true, "A decodeN node must produce an oop!"); ra_->set_oop(n2, true); nodes->push(n1); nodes->push(n2); %} enc_class enc_cmove_reg(iRegIdst dst, flagsReg crx, iRegIsrc src, cmpOp cmp) %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); MacroAssembler _masm(&cbuf); int cc = $cmp$$cmpcode; int flags_reg = $crx$$reg; Label done; assert((Assembler::bcondCRbiIs1 & ~Assembler::bcondCRbiIs0) == 8, "check encoding"); // Branch if not (cmp crx). __ bc(cc_to_inverse_boint(cc), cc_to_biint(cc, flags_reg), done); __ mr($dst$$Register, $src$$Register); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} enc_class enc_cmove_imm(iRegIdst dst, flagsReg crx, immI16 src, cmpOp cmp) %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); MacroAssembler _masm(&cbuf); Label done; assert((Assembler::bcondCRbiIs1 & ~Assembler::bcondCRbiIs0) == 8, "check encoding"); // Branch if not (cmp crx). __ bc(cc_to_inverse_boint($cmp$$cmpcode), cc_to_biint($cmp$$cmpcode, $crx$$reg), done); __ li($dst$$Register, $src$$constant); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} // New atomics. enc_class enc_GetAndAddI(iRegIdst res, iRegPdst mem_ptr, iRegIsrc src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Register Rtmp = R0; Register Rres = $res$$Register; Register Rsrc = $src$$Register; Register Rptr = $mem_ptr$$Register; bool RegCollision = (Rres == Rsrc) || (Rres == Rptr); Register Rold = RegCollision ? Rtmp : Rres; Label Lretry; __ bind(Lretry); __ lwarx(Rold, Rptr, MacroAssembler::cmpxchgx_hint_atomic_update()); __ add(Rtmp, Rsrc, Rold); __ stwcx_(Rtmp, Rptr); if (UseStaticBranchPredictionInCompareAndSwapPPC64) { __ bne_predict_not_taken(CCR0, Lretry); } else { __ bne( CCR0, Lretry); } if (RegCollision) __ subf(Rres, Rsrc, Rtmp); __ fence(); %} enc_class enc_GetAndAddL(iRegLdst res, iRegPdst mem_ptr, iRegLsrc src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Register Rtmp = R0; Register Rres = $res$$Register; Register Rsrc = $src$$Register; Register Rptr = $mem_ptr$$Register; bool RegCollision = (Rres == Rsrc) || (Rres == Rptr); Register Rold = RegCollision ? Rtmp : Rres; Label Lretry; __ bind(Lretry); __ ldarx(Rold, Rptr, MacroAssembler::cmpxchgx_hint_atomic_update()); __ add(Rtmp, Rsrc, Rold); __ stdcx_(Rtmp, Rptr); if (UseStaticBranchPredictionInCompareAndSwapPPC64) { __ bne_predict_not_taken(CCR0, Lretry); } else { __ bne( CCR0, Lretry); } if (RegCollision) __ subf(Rres, Rsrc, Rtmp); __ fence(); %} enc_class enc_GetAndSetI(iRegIdst res, iRegPdst mem_ptr, iRegIsrc src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Register Rtmp = R0; Register Rres = $res$$Register; Register Rsrc = $src$$Register; Register Rptr = $mem_ptr$$Register; bool RegCollision = (Rres == Rsrc) || (Rres == Rptr); Register Rold = RegCollision ? Rtmp : Rres; Label Lretry; __ bind(Lretry); __ lwarx(Rold, Rptr, MacroAssembler::cmpxchgx_hint_atomic_update()); __ stwcx_(Rsrc, Rptr); if (UseStaticBranchPredictionInCompareAndSwapPPC64) { __ bne_predict_not_taken(CCR0, Lretry); } else { __ bne( CCR0, Lretry); } if (RegCollision) __ mr(Rres, Rtmp); __ fence(); %} enc_class enc_GetAndSetL(iRegLdst res, iRegPdst mem_ptr, iRegLsrc src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Register Rtmp = R0; Register Rres = $res$$Register; Register Rsrc = $src$$Register; Register Rptr = $mem_ptr$$Register; bool RegCollision = (Rres == Rsrc) || (Rres == Rptr); Register Rold = RegCollision ? Rtmp : Rres; Label Lretry; __ bind(Lretry); __ ldarx(Rold, Rptr, MacroAssembler::cmpxchgx_hint_atomic_update()); __ stdcx_(Rsrc, Rptr); if (UseStaticBranchPredictionInCompareAndSwapPPC64) { __ bne_predict_not_taken(CCR0, Lretry); } else { __ bne( CCR0, Lretry); } if (RegCollision) __ mr(Rres, Rtmp); __ fence(); %} // This enc_class is needed so that scheduler gets proper // input mapping for latency computation. enc_class enc_andc(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // TODO: PPC port $archOpcode(ppc64Opcode_andc); MacroAssembler _masm(&cbuf); __ andc($dst$$Register, $src1$$Register, $src2$$Register); %} enc_class enc_convI2B_regI__cmove(iRegIdst dst, iRegIsrc src, flagsReg crx, immI16 zero, immI16 notzero) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Label done; __ cmpwi($crx$$CondRegister, $src$$Register, 0); __ li($dst$$Register, $zero$$constant); __ beq($crx$$CondRegister, done); __ li($dst$$Register, $notzero$$constant); __ bind(done); %} enc_class enc_convP2B_regP__cmove(iRegIdst dst, iRegPsrc src, flagsReg crx, immI16 zero, immI16 notzero) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); Label done; __ cmpdi($crx$$CondRegister, $src$$Register, 0); __ li($dst$$Register, $zero$$constant); __ beq($crx$$CondRegister, done); __ li($dst$$Register, $notzero$$constant); __ bind(done); %} enc_class enc_cmove_bso_stackSlotL(iRegLdst dst, flagsReg crx, stackSlotL mem ) %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); MacroAssembler _masm(&cbuf); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); Label done; __ bso($crx$$CondRegister, done); __ ld($dst$$Register, Idisp, $mem$$base$$Register); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} enc_class enc_bc(flagsReg crx, cmpOp cmp, Label lbl) %{ // TODO: PPC port $archOpcode(ppc64Opcode_bc); MacroAssembler _masm(&cbuf); Label d; // dummy __ bind(d); Label* p = ($lbl$$label); // `p' is `NULL' when this encoding class is used only to // determine the size of the encoded instruction. Label& l = (NULL == p)? d : *(p); int cc = $cmp$$cmpcode; int flags_reg = $crx$$reg; assert((Assembler::bcondCRbiIs1 & ~Assembler::bcondCRbiIs0) == 8, "check encoding"); int bhint = Assembler::bhintNoHint; if (UseStaticBranchPredictionForUncommonPathsPPC64) { if (_prob <= PROB_NEVER) { bhint = Assembler::bhintIsNotTaken; } else if (_prob >= PROB_ALWAYS) { bhint = Assembler::bhintIsTaken; } } __ bc(Assembler::add_bhint_to_boint(bhint, cc_to_boint(cc)), cc_to_biint(cc, flags_reg), l); %} enc_class enc_bc_far(flagsReg crx, cmpOp cmp, Label lbl) %{ // The scheduler doesn't know about branch shortening, so we set the opcode // to ppc64Opcode_bc in order to hide this detail from the scheduler. // TODO: PPC port $archOpcode(ppc64Opcode_bc); MacroAssembler _masm(&cbuf); Label d; // dummy __ bind(d); Label* p = ($lbl$$label); // `p' is `NULL' when this encoding class is used only to // determine the size of the encoded instruction. Label& l = (NULL == p)? d : *(p); int cc = $cmp$$cmpcode; int flags_reg = $crx$$reg; int bhint = Assembler::bhintNoHint; if (UseStaticBranchPredictionForUncommonPathsPPC64) { if (_prob <= PROB_NEVER) { bhint = Assembler::bhintIsNotTaken; } else if (_prob >= PROB_ALWAYS) { bhint = Assembler::bhintIsTaken; } } // Tell the conditional far branch to optimize itself when being relocated. __ bc_far(Assembler::add_bhint_to_boint(bhint, cc_to_boint(cc)), cc_to_biint(cc, flags_reg), l, MacroAssembler::bc_far_optimize_on_relocate); %} // Branch used with Power6 scheduling (can be shortened without changing the node). enc_class enc_bc_short_far(flagsReg crx, cmpOp cmp, Label lbl) %{ // The scheduler doesn't know about branch shortening, so we set the opcode // to ppc64Opcode_bc in order to hide this detail from the scheduler. // TODO: PPC port $archOpcode(ppc64Opcode_bc); MacroAssembler _masm(&cbuf); Label d; // dummy __ bind(d); Label* p = ($lbl$$label); // `p' is `NULL' when this encoding class is used only to // determine the size of the encoded instruction. Label& l = (NULL == p)? d : *(p); int cc = $cmp$$cmpcode; int flags_reg = $crx$$reg; int bhint = Assembler::bhintNoHint; if (UseStaticBranchPredictionForUncommonPathsPPC64) { if (_prob <= PROB_NEVER) { bhint = Assembler::bhintIsNotTaken; } else if (_prob >= PROB_ALWAYS) { bhint = Assembler::bhintIsTaken; } } #if 0 // TODO: PPC port if (_size == 8) { // Tell the conditional far branch to optimize itself when being relocated. __ bc_far(Assembler::add_bhint_to_boint(bhint, cc_to_boint(cc)), cc_to_biint(cc, flags_reg), l, MacroAssembler::bc_far_optimize_on_relocate); } else { __ bc (Assembler::add_bhint_to_boint(bhint, cc_to_boint(cc)), cc_to_biint(cc, flags_reg), l); } #endif Unimplemented(); %} // Postalloc expand emitter for loading a replicatef float constant from // the method's TOC. // Enc_class needed as consttanttablebase is not supported by postalloc // expand. enc_class postalloc_expand_load_replF_constant(iRegLdst dst, immF src, iRegLdst toc) %{ // Create new nodes. // Make an operand with the bit pattern to load as float. immLOper *op_repl = new (C) immLOper((jlong)replicate_immF(op_src->constantF())); loadConLNodesTuple loadConLNodes = loadConLNodesTuple_create(C, ra_, n_toc, op_repl, ra_->get_reg_second(this), ra_->get_reg_first(this)); // Push new nodes. if (loadConLNodes._large_hi) nodes->push(loadConLNodes._large_hi); if (loadConLNodes._last) nodes->push(loadConLNodes._last); assert(nodes->length() >= 1, "must have created at least 1 node"); assert(loadConLNodes._last->bottom_type()->isa_long(), "must be long"); %} // This enc_class is needed so that scheduler gets proper // input mapping for latency computation. enc_class enc_poll(immI dst, iRegLdst poll) %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); // Fake operand dst needed for PPC scheduler. assert($dst$$constant == 0x0, "dst must be 0x0"); MacroAssembler _masm(&cbuf); // Mark the code position where the load from the safepoint // polling page was emitted as relocInfo::poll_type. __ relocate(relocInfo::poll_type); __ load_from_polling_page($poll$$Register); %} // A Java static call or a runtime call. // // Branch-and-link relative to a trampoline. // The trampoline loads the target address and does a long branch to there. // In case we call java, the trampoline branches to a interpreter_stub // which loads the inline cache and the real call target from the constant pool. // // This basically looks like this: // // >>>> consts -+ -+ // | |- offset1 // [call target1] | <-+ // [IC cache] |- offset2 // [call target2] <--+ // // <<<< consts // >>>> insts // // bl offset16 -+ -+ ??? // How many bits available? // | | // <<<< insts | | // >>>> stubs | | // | |- trampoline_stub_Reloc // trampoline stub: | <-+ // r2 = toc | // r2 = [r2 + offset1] | // Load call target1 from const section // mtctr r2 | // bctr |- static_stub_Reloc // comp_to_interp_stub: <---+ // r1 = toc // ICreg = [r1 + IC_offset] // Load IC from const section // r1 = [r1 + offset2] // Load call target2 from const section // mtctr r1 // bctr // // <<<< stubs // // The call instruction in the code either // - Branches directly to a compiled method if the offset is encodable in instruction. // - Branches to the trampoline stub if the offset to the compiled method is not encodable. // - Branches to the compiled_to_interp stub if the target is interpreted. // // Further there are three relocations from the loads to the constants in // the constant section. // // Usage of r1 and r2 in the stubs allows to distinguish them. enc_class enc_java_static_call(method meth) %{ // TODO: PPC port $archOpcode(ppc64Opcode_bl); MacroAssembler _masm(&cbuf); address entry_point = (address)$meth$$method; if (!_method) { // A call to a runtime wrapper, e.g. new, new_typeArray_Java, uncommon_trap. emit_call_with_trampoline_stub(_masm, entry_point, relocInfo::runtime_call_type); } else { // Remember the offset not the address. const int start_offset = __ offset(); // The trampoline stub. if (!Compile::current()->in_scratch_emit_size()) { // No entry point given, use the current pc. // Make sure branch fits into if (entry_point == 0) entry_point = __ pc(); // Put the entry point as a constant into the constant pool. const address entry_point_toc_addr = __ address_constant(entry_point, RelocationHolder::none); const int entry_point_toc_offset = __ offset_to_method_toc(entry_point_toc_addr); // Emit the trampoline stub which will be related to the branch-and-link below. CallStubImpl::emit_trampoline_stub(_masm, entry_point_toc_offset, start_offset); if (ciEnv::current()->failing()) { return; } // Code cache may be full. __ relocate(_optimized_virtual ? relocInfo::opt_virtual_call_type : relocInfo::static_call_type); } // The real call. // Note: At this point we do not have the address of the trampoline // stub, and the entry point might be too far away for bl, so __ pc() // serves as dummy and the bl will be patched later. cbuf.set_insts_mark(); __ bl(__ pc()); // Emits a relocation. // The stub for call to interpreter. address stub = CompiledStaticCall::emit_to_interp_stub(cbuf); if (stub == NULL) { ciEnv::current()->record_failure("CodeCache is full"); return; } } %} // Emit a method handle call. // // Method handle calls from compiled to compiled are going thru a // c2i -> i2c adapter, extending the frame for their arguments. The // caller however, returns directly to the compiled callee, that has // to cope with the extended frame. We restore the original frame by // loading the callers sp and adding the calculated framesize. enc_class enc_java_handle_call(method meth) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); address entry_point = (address)$meth$$method; // Remember the offset not the address. const int start_offset = __ offset(); // The trampoline stub. if (!ra_->C->in_scratch_emit_size()) { // No entry point given, use the current pc. // Make sure branch fits into if (entry_point == 0) entry_point = __ pc(); // Put the entry point as a constant into the constant pool. const address entry_point_toc_addr = __ address_constant(entry_point, RelocationHolder::none); const int entry_point_toc_offset = __ offset_to_method_toc(entry_point_toc_addr); // Emit the trampoline stub which will be related to the branch-and-link below. CallStubImpl::emit_trampoline_stub(_masm, entry_point_toc_offset, start_offset); if (ra_->C->env()->failing()) { return; } // Code cache may be full. assert(_optimized_virtual, "methodHandle call should be a virtual call"); __ relocate(relocInfo::opt_virtual_call_type); } // The real call. // Note: At this point we do not have the address of the trampoline // stub, and the entry point might be too far away for bl, so __ pc() // serves as dummy and the bl will be patched later. cbuf.set_insts_mark(); __ bl(__ pc()); // Emits a relocation. assert(_method, "execute next statement conditionally"); // The stub for call to interpreter. address stub = CompiledStaticCall::emit_to_interp_stub(cbuf); if (stub == NULL) { ciEnv::current()->record_failure("CodeCache is full"); return; } // Restore original sp. __ ld(R11_scratch1, 0, R1_SP); // Load caller sp. const long framesize = ra_->C->frame_slots() << LogBytesPerInt; unsigned int bytes = (unsigned int)framesize; long offset = Assembler::align_addr(bytes, frame::alignment_in_bytes); if (Assembler::is_simm(-offset, 16)) { __ addi(R1_SP, R11_scratch1, -offset); } else { __ load_const_optimized(R12_scratch2, -offset); __ add(R1_SP, R11_scratch1, R12_scratch2); } #ifdef ASSERT __ ld(R12_scratch2, 0, R1_SP); // Load from unextended_sp. __ cmpd(CCR0, R11_scratch1, R12_scratch2); __ asm_assert_eq("backlink changed", 0x8000); #endif // If fails should store backlink before unextending. if (ra_->C->env()->failing()) { return; } %} // Second node of expanded dynamic call - the call. enc_class enc_java_dynamic_call_sched(method meth) %{ // TODO: PPC port $archOpcode(ppc64Opcode_bl); MacroAssembler _masm(&cbuf); if (!ra_->C->in_scratch_emit_size()) { // Create a call trampoline stub for the given method. const address entry_point = !($meth$$method) ? 0 : (address)$meth$$method; const address entry_point_const = __ address_constant(entry_point, RelocationHolder::none); const int entry_point_const_toc_offset = __ offset_to_method_toc(entry_point_const); CallStubImpl::emit_trampoline_stub(_masm, entry_point_const_toc_offset, __ offset()); if (ra_->C->env()->failing()) { return; } // Code cache may be full. // Build relocation at call site with ic position as data. assert((_load_ic_hi_node != NULL && _load_ic_node == NULL) || (_load_ic_hi_node == NULL && _load_ic_node != NULL), "must have one, but can't have both"); assert((_load_ic_hi_node != NULL && _load_ic_hi_node->_cbuf_insts_offset != -1) || (_load_ic_node != NULL && _load_ic_node->_cbuf_insts_offset != -1), "must contain instruction offset"); const int virtual_call_oop_addr_offset = _load_ic_hi_node != NULL ? _load_ic_hi_node->_cbuf_insts_offset : _load_ic_node->_cbuf_insts_offset; const address virtual_call_oop_addr = __ addr_at(virtual_call_oop_addr_offset); assert(MacroAssembler::is_load_const_from_method_toc_at(virtual_call_oop_addr), "should be load from TOC"); __ relocate(virtual_call_Relocation::spec(virtual_call_oop_addr)); } // At this point I do not have the address of the trampoline stub, // and the entry point might be too far away for bl. Pc() serves // as dummy and bl will be patched later. __ bl((address) __ pc()); %} // postalloc expand emitter for virtual calls. enc_class postalloc_expand_java_dynamic_call_sched(method meth, iRegLdst toc) %{ // Create the nodes for loading the IC from the TOC. loadConLNodesTuple loadConLNodes_IC = loadConLNodesTuple_create(C, ra_, n_toc, new (C) immLOper((jlong)Universe::non_oop_word()), OptoReg::Name(R19_H_num), OptoReg::Name(R19_num)); // Create the call node. CallDynamicJavaDirectSchedNode *call = new (C) CallDynamicJavaDirectSchedNode(); call->_method_handle_invoke = _method_handle_invoke; call->_vtable_index = _vtable_index; call->_method = _method; call->_bci = _bci; call->_optimized_virtual = _optimized_virtual; call->_tf = _tf; call->_entry_point = _entry_point; call->_cnt = _cnt; call->_argsize = _argsize; call->_oop_map = _oop_map; call->_jvms = _jvms; call->_jvmadj = _jvmadj; call->_in_rms = _in_rms; call->_nesting = _nesting; // New call needs all inputs of old call. // Req... for (uint i = 0; i < req(); ++i) { // The expanded node does not need toc any more. // Add the inline cache constant here instead. This expresses the // register of the inline cache must be live at the call. // Else we would have to adapt JVMState by -1. if (i == mach_constant_base_node_input()) { call->add_req(loadConLNodes_IC._last); } else { call->add_req(in(i)); } } // ...as well as prec for (uint i = req(); i < len(); ++i) { call->add_prec(in(i)); } // Remember nodes loading the inline cache into r19. call->_load_ic_hi_node = loadConLNodes_IC._large_hi; call->_load_ic_node = loadConLNodes_IC._small; // Operands for new nodes. call->_opnds[0] = _opnds[0]; call->_opnds[1] = _opnds[1]; // Only the inline cache is associated with a register. assert(Matcher::inline_cache_reg() == OptoReg::Name(R19_num), "ic reg should be R19"); // Push new nodes. if (loadConLNodes_IC._large_hi) nodes->push(loadConLNodes_IC._large_hi); if (loadConLNodes_IC._last) nodes->push(loadConLNodes_IC._last); nodes->push(call); %} // Compound version of call dynamic // Toc is only passed so that it can be used in ins_encode statement. // In the code we have to use $constanttablebase. enc_class enc_java_dynamic_call(method meth, iRegLdst toc) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); int start_offset = __ offset(); Register Rtoc = (ra_) ? $constanttablebase : R2_TOC; #if 0 int vtable_index = this->_vtable_index; if (_vtable_index < 0) { // Must be invalid_vtable_index, not nonvirtual_vtable_index. assert(_vtable_index == Method::invalid_vtable_index, "correct sentinel value"); Register ic_reg = as_Register(Matcher::inline_cache_reg_encode()); // Virtual call relocation will point to ic load. address virtual_call_meta_addr = __ pc(); // Load a clear inline cache. AddressLiteral empty_ic((address) Universe::non_oop_word()); __ load_const_from_method_toc(ic_reg, empty_ic, Rtoc); // CALL to fixup routine. Fixup routine uses ScopeDesc info // to determine who we intended to call. __ relocate(virtual_call_Relocation::spec(virtual_call_meta_addr)); emit_call_with_trampoline_stub(_masm, (address)$meth$$method, relocInfo::none); assert(((MachCallDynamicJavaNode*)this)->ret_addr_offset() == __ offset() - start_offset, "Fix constant in ret_addr_offset()"); } else { assert(!UseInlineCaches, "expect vtable calls only if not using ICs"); // Go thru the vtable. Get receiver klass. Receiver already // checked for non-null. If we'll go thru a C2I adapter, the // interpreter expects method in R19_method. __ load_klass(R11_scratch1, R3); int entry_offset = InstanceKlass::vtable_start_offset() + _vtable_index * vtableEntry::size(); int v_off = entry_offset * wordSize + vtableEntry::method_offset_in_bytes(); __ li(R19_method, v_off); __ ldx(R19_method/*method oop*/, R19_method/*method offset*/, R11_scratch1/*class*/); // NOTE: for vtable dispatches, the vtable entry will never be // null. However it may very well end up in handle_wrong_method // if the method is abstract for the particular class. __ ld(R11_scratch1, in_bytes(Method::from_compiled_offset()), R19_method); // Call target. Either compiled code or C2I adapter. __ mtctr(R11_scratch1); __ bctrl(); if (((MachCallDynamicJavaNode*)this)->ret_addr_offset() != __ offset() - start_offset) { tty->print(" %d, %d\n", ((MachCallDynamicJavaNode*)this)->ret_addr_offset(),__ offset() - start_offset); } assert(((MachCallDynamicJavaNode*)this)->ret_addr_offset() == __ offset() - start_offset, "Fix constant in ret_addr_offset()"); } #endif Unimplemented(); // ret_addr_offset not yet fixed. Depends on compressed oops (load klass!). %} // a runtime call enc_class enc_java_to_runtime_call (method meth) %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); MacroAssembler _masm(&cbuf); const address start_pc = __ pc(); #if defined(ABI_ELFv2) address entry= !($meth$$method) ? NULL : (address)$meth$$method; __ call_c(entry, relocInfo::runtime_call_type); #else // The function we're going to call. FunctionDescriptor fdtemp; const FunctionDescriptor* fd = !($meth$$method) ? &fdtemp : (FunctionDescriptor*)$meth$$method; Register Rtoc = R12_scratch2; // Calculate the method's TOC. __ calculate_address_from_global_toc(Rtoc, __ method_toc()); // Put entry, env, toc into the constant pool, this needs up to 3 constant // pool entries; call_c_using_toc will optimize the call. __ call_c_using_toc(fd, relocInfo::runtime_call_type, Rtoc); #endif // Check the ret_addr_offset. assert(((MachCallRuntimeNode*)this)->ret_addr_offset() == __ last_calls_return_pc() - start_pc, "Fix constant in ret_addr_offset()"); %} // Move to ctr for leaf call. // This enc_class is needed so that scheduler gets proper // input mapping for latency computation. enc_class enc_leaf_call_mtctr(iRegLsrc src) %{ // TODO: PPC port $archOpcode(ppc64Opcode_mtctr); MacroAssembler _masm(&cbuf); __ mtctr($src$$Register); %} // Postalloc expand emitter for runtime leaf calls. enc_class postalloc_expand_java_to_runtime_call(method meth, iRegLdst toc) %{ loadConLNodesTuple loadConLNodes_Entry; #if defined(ABI_ELFv2) jlong entry_address = (jlong) this->entry_point(); assert(entry_address, "need address here"); loadConLNodes_Entry = loadConLNodesTuple_create(C, ra_, n_toc, new (C) immLOper(entry_address), OptoReg::Name(R12_H_num), OptoReg::Name(R12_num)); #else // Get the struct that describes the function we are about to call. FunctionDescriptor* fd = (FunctionDescriptor*) this->entry_point(); assert(fd, "need fd here"); jlong entry_address = (jlong) fd->entry(); // new nodes loadConLNodesTuple loadConLNodes_Env; loadConLNodesTuple loadConLNodes_Toc; // Create nodes and operands for loading the entry point. loadConLNodes_Entry = loadConLNodesTuple_create(C, ra_, n_toc, new (C) immLOper(entry_address), OptoReg::Name(R12_H_num), OptoReg::Name(R12_num)); // Create nodes and operands for loading the env pointer. if (fd->env() != NULL) { loadConLNodes_Env = loadConLNodesTuple_create(C, ra_, n_toc, new (C) immLOper((jlong) fd->env()), OptoReg::Name(R11_H_num), OptoReg::Name(R11_num)); } else { loadConLNodes_Env._large_hi = NULL; loadConLNodes_Env._large_lo = NULL; loadConLNodes_Env._small = NULL; loadConLNodes_Env._last = new (C) loadConL16Node(); loadConLNodes_Env._last->_opnds[0] = new (C) iRegLdstOper(); loadConLNodes_Env._last->_opnds[1] = new (C) immL16Oper(0); ra_->set_pair(loadConLNodes_Env._last->_idx, OptoReg::Name(R11_H_num), OptoReg::Name(R11_num)); } // Create nodes and operands for loading the Toc point. loadConLNodes_Toc = loadConLNodesTuple_create(C, ra_, n_toc, new (C) immLOper((jlong) fd->toc()), OptoReg::Name(R2_H_num), OptoReg::Name(R2_num)); #endif // ABI_ELFv2 // mtctr node MachNode *mtctr = new (C) CallLeafDirect_mtctrNode(); assert(loadConLNodes_Entry._last != NULL, "entry must exist"); mtctr->add_req(0, loadConLNodes_Entry._last); mtctr->_opnds[0] = new (C) iRegLdstOper(); mtctr->_opnds[1] = new (C) iRegLdstOper(); // call node MachCallLeafNode *call = new (C) CallLeafDirectNode(); call->_opnds[0] = _opnds[0]; call->_opnds[1] = new (C) methodOper((intptr_t) entry_address); // May get set later. // Make the new call node look like the old one. call->_name = _name; call->_tf = _tf; call->_entry_point = _entry_point; call->_cnt = _cnt; call->_argsize = _argsize; call->_oop_map = _oop_map; guarantee(!_jvms, "You must clone the jvms and adapt the offsets by fix_jvms()."); call->_jvms = NULL; call->_jvmadj = _jvmadj; call->_in_rms = _in_rms; call->_nesting = _nesting; // New call needs all inputs of old call. // Req... for (uint i = 0; i < req(); ++i) { if (i != mach_constant_base_node_input()) { call->add_req(in(i)); } } // These must be reqired edges, as the registers are live up to // the call. Else the constants are handled as kills. call->add_req(mtctr); #if !defined(ABI_ELFv2) call->add_req(loadConLNodes_Env._last); call->add_req(loadConLNodes_Toc._last); #endif // ...as well as prec for (uint i = req(); i < len(); ++i) { call->add_prec(in(i)); } // registers ra_->set1(mtctr->_idx, OptoReg::Name(SR_CTR_num)); // Insert the new nodes. if (loadConLNodes_Entry._large_hi) nodes->push(loadConLNodes_Entry._large_hi); if (loadConLNodes_Entry._last) nodes->push(loadConLNodes_Entry._last); #if !defined(ABI_ELFv2) if (loadConLNodes_Env._large_hi) nodes->push(loadConLNodes_Env._large_hi); if (loadConLNodes_Env._last) nodes->push(loadConLNodes_Env._last); if (loadConLNodes_Toc._large_hi) nodes->push(loadConLNodes_Toc._large_hi); if (loadConLNodes_Toc._last) nodes->push(loadConLNodes_Toc._last); #endif nodes->push(mtctr); nodes->push(call); %} %} //----------FRAME-------------------------------------------------------------- // Definition of frame structure and management information. frame %{ // What direction does stack grow in (assumed to be same for native & Java). stack_direction(TOWARDS_LOW); // These two registers define part of the calling convention between // compiled code and the interpreter. // Inline Cache Register or method for I2C. inline_cache_reg(R19); // R19_method // Method Oop Register when calling interpreter. interpreter_method_oop_reg(R19); // R19_method // Optional: name the operand used by cisc-spilling to access // [stack_pointer + offset]. cisc_spilling_operand_name(indOffset); // Number of stack slots consumed by a Monitor enter. sync_stack_slots((frame::jit_monitor_size / VMRegImpl::stack_slot_size)); // Compiled code's Frame Pointer. frame_pointer(R1); // R1_SP // Interpreter stores its frame pointer in a register which is // stored to the stack by I2CAdaptors. I2CAdaptors convert from // interpreted java to compiled java. // // R14_state holds pointer to caller's cInterpreter. interpreter_frame_pointer(R14); // R14_state stack_alignment(frame::alignment_in_bytes); in_preserve_stack_slots((frame::jit_in_preserve_size / VMRegImpl::stack_slot_size)); // Number of outgoing stack slots killed above the // out_preserve_stack_slots for calls to C. Supports the var-args // backing area for register parms. // varargs_C_out_slots_killed(((frame::abi_reg_args_size - frame::jit_out_preserve_size) / VMRegImpl::stack_slot_size)); // The after-PROLOG location of the return address. Location of // return address specifies a type (REG or STACK) and a number // representing the register number (i.e. - use a register name) or // stack slot. // // A: Link register is stored in stack slot ... // M: ... but it's in the caller's frame according to PPC-64 ABI. // J: Therefore, we make sure that the link register is also in R11_scratch1 // at the end of the prolog. // B: We use R20, now. //return_addr(REG R20); // G: After reading the comments made by all the luminaries on their // failure to tell the compiler where the return address really is, // I hardly dare to try myself. However, I'm convinced it's in slot // 4 what apparently works and saves us some spills. return_addr(STACK 4); // This is the body of the function // // void Matcher::calling_convention(OptoRegPair* sig, // array of ideal regs // uint length, // length of array // bool is_outgoing) // // The `sig' array is to be updated. sig[j] represents the location // of the j-th argument, either a register or a stack slot. // Comment taken from i486.ad: // Body of function which returns an integer array locating // arguments either in registers or in stack slots. Passed an array // of ideal registers called "sig" and a "length" count. Stack-slot // offsets are based on outgoing arguments, i.e. a CALLER setting up // arguments for a CALLEE. Incoming stack arguments are // automatically biased by the preserve_stack_slots field above. calling_convention %{ // No difference between ingoing/outgoing. Just pass false. SharedRuntime::java_calling_convention(sig_bt, regs, length, false); %} // Comment taken from i486.ad: // Body of function which returns an integer array locating // arguments either in registers or in stack slots. Passed an array // of ideal registers called "sig" and a "length" count. Stack-slot // offsets are based on outgoing arguments, i.e. a CALLER setting up // arguments for a CALLEE. Incoming stack arguments are // automatically biased by the preserve_stack_slots field above. c_calling_convention %{ // This is obviously always outgoing. // C argument in register AND stack slot. (void) SharedRuntime::c_calling_convention(sig_bt, regs, /*regs2=*/NULL, length); %} // Location of native (C/C++) and interpreter return values. This // is specified to be the same as Java. In the 32-bit VM, long // values are actually returned from native calls in O0:O1 and // returned to the interpreter in I0:I1. The copying to and from // the register pairs is done by the appropriate call and epilog // opcodes. This simplifies the register allocator. c_return_value %{ assert((ideal_reg >= Op_RegI && ideal_reg <= Op_RegL) || (ideal_reg == Op_RegN && Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0), "only return normal values"); // enum names from opcodes.hpp: Op_Node Op_Set Op_RegN Op_RegI Op_RegP Op_RegF Op_RegD Op_RegL static int typeToRegLo[Op_RegL+1] = { 0, 0, R3_num, R3_num, R3_num, F1_num, F1_num, R3_num }; static int typeToRegHi[Op_RegL+1] = { 0, 0, OptoReg::Bad, R3_H_num, R3_H_num, OptoReg::Bad, F1_H_num, R3_H_num }; return OptoRegPair(typeToRegHi[ideal_reg], typeToRegLo[ideal_reg]); %} // Location of compiled Java return values. Same as C return_value %{ assert((ideal_reg >= Op_RegI && ideal_reg <= Op_RegL) || (ideal_reg == Op_RegN && Universe::narrow_oop_base() == NULL && Universe::narrow_oop_shift() == 0), "only return normal values"); // enum names from opcodes.hpp: Op_Node Op_Set Op_RegN Op_RegI Op_RegP Op_RegF Op_RegD Op_RegL static int typeToRegLo[Op_RegL+1] = { 0, 0, R3_num, R3_num, R3_num, F1_num, F1_num, R3_num }; static int typeToRegHi[Op_RegL+1] = { 0, 0, OptoReg::Bad, R3_H_num, R3_H_num, OptoReg::Bad, F1_H_num, R3_H_num }; return OptoRegPair(typeToRegHi[ideal_reg], typeToRegLo[ideal_reg]); %} %} //----------ATTRIBUTES--------------------------------------------------------- //----------Operand Attributes------------------------------------------------- op_attrib op_cost(1); // Required cost attribute. //----------Instruction Attributes--------------------------------------------- // Cost attribute. required. ins_attrib ins_cost(DEFAULT_COST); // Is this instruction a non-matching short branch variant of some // long branch? Not required. ins_attrib ins_short_branch(0); ins_attrib ins_is_TrapBasedCheckNode(true); // Number of constants. // This instruction uses the given number of constants // (optional attribute). // This is needed to determine in time whether the constant pool will // exceed 4000 entries. Before postalloc_expand the overall number of constants // is determined. It's also used to compute the constant pool size // in Output(). ins_attrib ins_num_consts(0); // Required alignment attribute (must be a power of 2) specifies the // alignment that some part of the instruction (not necessarily the // start) requires. If > 1, a compute_padding() function must be // provided for the instruction. ins_attrib ins_alignment(1); // Enforce/prohibit rematerializations. // - If an instruction is attributed with 'ins_cannot_rematerialize(true)' // then rematerialization of that instruction is prohibited and the // instruction's value will be spilled if necessary. // Causes that MachNode::rematerialize() returns false. // - If an instruction is attributed with 'ins_should_rematerialize(true)' // then rematerialization should be enforced and a copy of the instruction // should be inserted if possible; rematerialization is not guaranteed. // Note: this may result in rematerializations in front of every use. // Causes that MachNode::rematerialize() can return true. // (optional attribute) ins_attrib ins_cannot_rematerialize(false); ins_attrib ins_should_rematerialize(false); // Instruction has variable size depending on alignment. ins_attrib ins_variable_size_depending_on_alignment(false); // Instruction is a nop. ins_attrib ins_is_nop(false); // Instruction is mapped to a MachIfFastLock node (instead of MachFastLock). ins_attrib ins_use_mach_if_fast_lock_node(false); // Field for the toc offset of a constant. // // This is needed if the toc offset is not encodable as an immediate in // the PPC load instruction. If so, the upper (hi) bits of the offset are // added to the toc, and from this a load with immediate is performed. // With postalloc expand, we get two nodes that require the same offset // but which don't know about each other. The offset is only known // when the constant is added to the constant pool during emitting. // It is generated in the 'hi'-node adding the upper bits, and saved // in this node. The 'lo'-node has a link to the 'hi'-node and reads // the offset from there when it gets encoded. ins_attrib ins_field_const_toc_offset(0); ins_attrib ins_field_const_toc_offset_hi_node(0); // A field that can hold the instructions offset in the code buffer. // Set in the nodes emitter. ins_attrib ins_field_cbuf_insts_offset(-1); // Fields for referencing a call's load-IC-node. // If the toc offset can not be encoded as an immediate in a load, we // use two nodes. ins_attrib ins_field_load_ic_hi_node(0); ins_attrib ins_field_load_ic_node(0); //----------OPERANDS----------------------------------------------------------- // Operand definitions must precede instruction definitions for correct // parsing in the ADLC because operands constitute user defined types // which are used in instruction definitions. // // Formats are generated automatically for constants and base registers. //----------Simple Operands---------------------------------------------------- // Immediate Operands // Integer Immediate: 32-bit operand immI() %{ match(ConI); op_cost(40); format %{ %} interface(CONST_INTER); %} operand immI8() %{ predicate(Assembler::is_simm(n->get_int(), 8)); op_cost(0); match(ConI); format %{ %} interface(CONST_INTER); %} // Integer Immediate: 16-bit operand immI16() %{ predicate(Assembler::is_simm(n->get_int(), 16)); op_cost(0); match(ConI); format %{ %} interface(CONST_INTER); %} // Integer Immediate: 32-bit, where lowest 16 bits are 0x0000. operand immIhi16() %{ predicate(((n->get_int() & 0xffff0000) != 0) && ((n->get_int() & 0xffff) == 0)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immInegpow2() %{ predicate(is_power_of_2_long((jlong) (julong) (juint) (-(n->get_int())))); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immIpow2minus1() %{ predicate(is_power_of_2_long((((jlong) (n->get_int()))+1))); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immIpowerOf2() %{ predicate(is_power_of_2_long((((jlong) (julong) (juint) (n->get_int()))))); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Integer Immediate: the values 0-31 operand uimmI5() %{ predicate(Assembler::is_uimm(n->get_int(), 5)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Integer Immediate: 6-bit operand uimmI6() %{ predicate(Assembler::is_uimm(n->get_int(), 6)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Integer Immediate: 6-bit int, greater than 32 operand uimmI6_ge32() %{ predicate(Assembler::is_uimm(n->get_int(), 6) && n->get_int() >= 32); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Integer Immediate: 15-bit operand uimmI15() %{ predicate(Assembler::is_uimm(n->get_int(), 15)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Integer Immediate: 16-bit operand uimmI16() %{ predicate(Assembler::is_uimm(n->get_int(), 16)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // constant 'int 0'. operand immI_0() %{ predicate(n->get_int() == 0); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // constant 'int 1'. operand immI_1() %{ predicate(n->get_int() == 1); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // constant 'int -1'. operand immI_minus1() %{ predicate(n->get_int() == -1); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // int value 16. operand immI_16() %{ predicate(n->get_int() == 16); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // int value 24. operand immI_24() %{ predicate(n->get_int() == 24); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Compressed oops constants // Pointer Immediate operand immN() %{ match(ConN); op_cost(10); format %{ %} interface(CONST_INTER); %} // NULL Pointer Immediate operand immN_0() %{ predicate(n->get_narrowcon() == 0); match(ConN); op_cost(0); format %{ %} interface(CONST_INTER); %} // Compressed klass constants operand immNKlass() %{ match(ConNKlass); op_cost(0); format %{ %} interface(CONST_INTER); %} // This operand can be used to avoid matching of an instruct // with chain rule. operand immNKlass_NM() %{ match(ConNKlass); predicate(false); op_cost(0); format %{ %} interface(CONST_INTER); %} // Pointer Immediate: 64-bit operand immP() %{ match(ConP); op_cost(0); format %{ %} interface(CONST_INTER); %} // Operand to avoid match of loadConP. // This operand can be used to avoid matching of an instruct // with chain rule. operand immP_NM() %{ match(ConP); predicate(false); op_cost(0); format %{ %} interface(CONST_INTER); %} // costant 'pointer 0'. operand immP_0() %{ predicate(n->get_ptr() == 0); match(ConP); op_cost(0); format %{ %} interface(CONST_INTER); %} // pointer 0x0 or 0x1 operand immP_0or1() %{ predicate((n->get_ptr() == 0) || (n->get_ptr() == 1)); match(ConP); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immL() %{ match(ConL); op_cost(40); format %{ %} interface(CONST_INTER); %} // Long Immediate: 16-bit operand immL16() %{ predicate(Assembler::is_simm(n->get_long(), 16)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Long Immediate: 16-bit, 4-aligned operand immL16Alg4() %{ predicate(Assembler::is_simm(n->get_long(), 16) && ((n->get_long() & 0x3) == 0)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Long Immediate: 32-bit, where lowest 16 bits are 0x0000. operand immL32hi16() %{ predicate(Assembler::is_simm(n->get_long(), 32) && ((n->get_long() & 0xffffL) == 0L)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Long Immediate: 32-bit operand immL32() %{ predicate(Assembler::is_simm(n->get_long(), 32)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Long Immediate: 64-bit, where highest 16 bits are not 0x0000. operand immLhighest16() %{ predicate((n->get_long() & 0xffff000000000000L) != 0L && (n->get_long() & 0x0000ffffffffffffL) == 0L); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immLnegpow2() %{ predicate(is_power_of_2_long((jlong)-(n->get_long()))); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immLpow2minus1() %{ predicate(is_power_of_2_long((((jlong) (n->get_long()))+1)) && (n->get_long() != (jlong)0xffffffffffffffffL)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // constant 'long 0'. operand immL_0() %{ predicate(n->get_long() == 0L); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // constat ' long -1'. operand immL_minus1() %{ predicate(n->get_long() == -1L); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Long Immediate: low 32-bit mask operand immL_32bits() %{ predicate(n->get_long() == 0xFFFFFFFFL); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Unsigned Long Immediate: 16-bit operand uimmL16() %{ predicate(Assembler::is_uimm(n->get_long(), 16)); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Float Immediate operand immF() %{ match(ConF); op_cost(40); format %{ %} interface(CONST_INTER); %} // Float Immediate: +0.0f. operand immF_0() %{ predicate(jint_cast(n->getf()) == 0); match(ConF); op_cost(0); format %{ %} interface(CONST_INTER); %} // Double Immediate operand immD() %{ match(ConD); op_cost(40); format %{ %} interface(CONST_INTER); %} // Integer Register Operands // Integer Destination Register // See definition of reg_class bits32_reg_rw. operand iRegIdst() %{ constraint(ALLOC_IN_RC(bits32_reg_rw)); match(RegI); match(rscratch1RegI); match(rscratch2RegI); match(rarg1RegI); match(rarg2RegI); match(rarg3RegI); match(rarg4RegI); format %{ %} interface(REG_INTER); %} // Integer Source Register // See definition of reg_class bits32_reg_ro. operand iRegIsrc() %{ constraint(ALLOC_IN_RC(bits32_reg_ro)); match(RegI); match(rscratch1RegI); match(rscratch2RegI); match(rarg1RegI); match(rarg2RegI); match(rarg3RegI); match(rarg4RegI); format %{ %} interface(REG_INTER); %} operand rscratch1RegI() %{ constraint(ALLOC_IN_RC(rscratch1_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rscratch2RegI() %{ constraint(ALLOC_IN_RC(rscratch2_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rarg1RegI() %{ constraint(ALLOC_IN_RC(rarg1_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rarg2RegI() %{ constraint(ALLOC_IN_RC(rarg2_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rarg3RegI() %{ constraint(ALLOC_IN_RC(rarg3_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rarg4RegI() %{ constraint(ALLOC_IN_RC(rarg4_bits32_reg)); match(iRegIdst); format %{ %} interface(REG_INTER); %} operand rarg1RegL() %{ constraint(ALLOC_IN_RC(rarg1_bits64_reg)); match(iRegLdst); format %{ %} interface(REG_INTER); %} operand rarg2RegL() %{ constraint(ALLOC_IN_RC(rarg2_bits64_reg)); match(iRegLdst); format %{ %} interface(REG_INTER); %} operand rarg3RegL() %{ constraint(ALLOC_IN_RC(rarg3_bits64_reg)); match(iRegLdst); format %{ %} interface(REG_INTER); %} operand rarg4RegL() %{ constraint(ALLOC_IN_RC(rarg4_bits64_reg)); match(iRegLdst); format %{ %} interface(REG_INTER); %} // Pointer Destination Register // See definition of reg_class bits64_reg_rw. operand iRegPdst() %{ constraint(ALLOC_IN_RC(bits64_reg_rw)); match(RegP); match(rscratch1RegP); match(rscratch2RegP); match(rarg1RegP); match(rarg2RegP); match(rarg3RegP); match(rarg4RegP); format %{ %} interface(REG_INTER); %} // Pointer Destination Register // Operand not using r11 and r12 (killed in epilog). operand iRegPdstNoScratch() %{ constraint(ALLOC_IN_RC(bits64_reg_leaf_call)); match(RegP); match(rarg1RegP); match(rarg2RegP); match(rarg3RegP); match(rarg4RegP); format %{ %} interface(REG_INTER); %} // Pointer Source Register // See definition of reg_class bits64_reg_ro. operand iRegPsrc() %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(RegP); match(iRegPdst); match(rscratch1RegP); match(rscratch2RegP); match(rarg1RegP); match(rarg2RegP); match(rarg3RegP); match(rarg4RegP); match(threadRegP); format %{ %} interface(REG_INTER); %} // Thread operand. operand threadRegP() %{ constraint(ALLOC_IN_RC(thread_bits64_reg)); match(iRegPdst); format %{ "R16" %} interface(REG_INTER); %} operand rscratch1RegP() %{ constraint(ALLOC_IN_RC(rscratch1_bits64_reg)); match(iRegPdst); format %{ "R11" %} interface(REG_INTER); %} operand rscratch2RegP() %{ constraint(ALLOC_IN_RC(rscratch2_bits64_reg)); match(iRegPdst); format %{ %} interface(REG_INTER); %} operand rarg1RegP() %{ constraint(ALLOC_IN_RC(rarg1_bits64_reg)); match(iRegPdst); format %{ %} interface(REG_INTER); %} operand rarg2RegP() %{ constraint(ALLOC_IN_RC(rarg2_bits64_reg)); match(iRegPdst); format %{ %} interface(REG_INTER); %} operand rarg3RegP() %{ constraint(ALLOC_IN_RC(rarg3_bits64_reg)); match(iRegPdst); format %{ %} interface(REG_INTER); %} operand rarg4RegP() %{ constraint(ALLOC_IN_RC(rarg4_bits64_reg)); match(iRegPdst); format %{ %} interface(REG_INTER); %} operand iRegNsrc() %{ constraint(ALLOC_IN_RC(bits32_reg_ro)); match(RegN); match(iRegNdst); format %{ %} interface(REG_INTER); %} operand iRegNdst() %{ constraint(ALLOC_IN_RC(bits32_reg_rw)); match(RegN); format %{ %} interface(REG_INTER); %} // Long Destination Register // See definition of reg_class bits64_reg_rw. operand iRegLdst() %{ constraint(ALLOC_IN_RC(bits64_reg_rw)); match(RegL); match(rscratch1RegL); match(rscratch2RegL); format %{ %} interface(REG_INTER); %} // Long Source Register // See definition of reg_class bits64_reg_ro. operand iRegLsrc() %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(RegL); match(iRegLdst); match(rscratch1RegL); match(rscratch2RegL); format %{ %} interface(REG_INTER); %} // Special operand for ConvL2I. operand iRegL2Isrc(iRegLsrc reg) %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(ConvL2I reg); format %{ "ConvL2I($reg)" %} interface(REG_INTER) %} operand rscratch1RegL() %{ constraint(ALLOC_IN_RC(rscratch1_bits64_reg)); match(RegL); format %{ %} interface(REG_INTER); %} operand rscratch2RegL() %{ constraint(ALLOC_IN_RC(rscratch2_bits64_reg)); match(RegL); format %{ %} interface(REG_INTER); %} // Condition Code Flag Registers operand flagsReg() %{ constraint(ALLOC_IN_RC(int_flags)); match(RegFlags); format %{ %} interface(REG_INTER); %} // Condition Code Flag Register CR0 operand flagsRegCR0() %{ constraint(ALLOC_IN_RC(int_flags_CR0)); match(RegFlags); format %{ "CR0" %} interface(REG_INTER); %} operand flagsRegCR1() %{ constraint(ALLOC_IN_RC(int_flags_CR1)); match(RegFlags); format %{ "CR1" %} interface(REG_INTER); %} operand flagsRegCR6() %{ constraint(ALLOC_IN_RC(int_flags_CR6)); match(RegFlags); format %{ "CR6" %} interface(REG_INTER); %} operand regCTR() %{ constraint(ALLOC_IN_RC(ctr_reg)); // RegFlags should work. Introducing a RegSpecial type would cause a // lot of changes. match(RegFlags); format %{"SR_CTR" %} interface(REG_INTER); %} operand regD() %{ constraint(ALLOC_IN_RC(dbl_reg)); match(RegD); format %{ %} interface(REG_INTER); %} operand regF() %{ constraint(ALLOC_IN_RC(flt_reg)); match(RegF); format %{ %} interface(REG_INTER); %} // Special Registers // Method Register operand inline_cache_regP(iRegPdst reg) %{ constraint(ALLOC_IN_RC(r19_bits64_reg)); // inline_cache_reg match(reg); format %{ %} interface(REG_INTER); %} operand compiler_method_oop_regP(iRegPdst reg) %{ constraint(ALLOC_IN_RC(rscratch1_bits64_reg)); // compiler_method_oop_reg match(reg); format %{ %} interface(REG_INTER); %} operand interpreter_method_oop_regP(iRegPdst reg) %{ constraint(ALLOC_IN_RC(r19_bits64_reg)); // interpreter_method_oop_reg match(reg); format %{ %} interface(REG_INTER); %} // Operands to remove register moves in unscaled mode. // Match read/write registers with an EncodeP node if neither shift nor add are required. operand iRegP2N(iRegPsrc reg) %{ predicate(false /* TODO: PPC port MatchDecodeNodes*/&& Universe::narrow_oop_shift() == 0); constraint(ALLOC_IN_RC(bits64_reg_ro)); match(EncodeP reg); format %{ "$reg" %} interface(REG_INTER) %} operand iRegN2P(iRegNsrc reg) %{ predicate(false /* TODO: PPC port MatchDecodeNodes*/); constraint(ALLOC_IN_RC(bits32_reg_ro)); match(DecodeN reg); match(DecodeNKlass reg); format %{ "$reg" %} interface(REG_INTER) %} //----------Complex Operands--------------------------------------------------- // Indirect Memory Reference operand indirect(iRegPsrc reg) %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(reg); op_cost(100); format %{ "[$reg]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp(0x0); %} %} // Indirect with Offset operand indOffset16(iRegPsrc reg, immL16 offset) %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(AddP reg offset); op_cost(100); format %{ "[$reg + $offset]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp($offset); %} %} // Indirect with 4-aligned Offset operand indOffset16Alg4(iRegPsrc reg, immL16Alg4 offset) %{ constraint(ALLOC_IN_RC(bits64_reg_ro)); match(AddP reg offset); op_cost(100); format %{ "[$reg + $offset]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp($offset); %} %} //----------Complex Operands for Compressed OOPs------------------------------- // Compressed OOPs with narrow_oop_shift == 0. // Indirect Memory Reference, compressed OOP operand indirectNarrow(iRegNsrc reg) %{ predicate(false /* TODO: PPC port MatchDecodeNodes*/); constraint(ALLOC_IN_RC(bits64_reg_ro)); match(DecodeN reg); match(DecodeNKlass reg); op_cost(100); format %{ "[$reg]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp(0x0); %} %} // Indirect with Offset, compressed OOP operand indOffset16Narrow(iRegNsrc reg, immL16 offset) %{ predicate(false /* TODO: PPC port MatchDecodeNodes*/); constraint(ALLOC_IN_RC(bits64_reg_ro)); match(AddP (DecodeN reg) offset); match(AddP (DecodeNKlass reg) offset); op_cost(100); format %{ "[$reg + $offset]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp($offset); %} %} // Indirect with 4-aligned Offset, compressed OOP operand indOffset16NarrowAlg4(iRegNsrc reg, immL16Alg4 offset) %{ predicate(false /* TODO: PPC port MatchDecodeNodes*/); constraint(ALLOC_IN_RC(bits64_reg_ro)); match(AddP (DecodeN reg) offset); match(AddP (DecodeNKlass reg) offset); op_cost(100); format %{ "[$reg + $offset]" %} interface(MEMORY_INTER) %{ base($reg); index(0x0); scale(0x0); disp($offset); %} %} //----------Special Memory Operands-------------------------------------------- // Stack Slot Operand // // This operand is used for loading and storing temporary values on // the stack where a match requires a value to flow through memory. operand stackSlotI(sRegI reg) %{ constraint(ALLOC_IN_RC(stack_slots)); op_cost(100); //match(RegI); format %{ "[sp+$reg]" %} interface(MEMORY_INTER) %{ base(0x1); // R1_SP index(0x0); scale(0x0); disp($reg); // Stack Offset %} %} operand stackSlotL(sRegL reg) %{ constraint(ALLOC_IN_RC(stack_slots)); op_cost(100); //match(RegL); format %{ "[sp+$reg]" %} interface(MEMORY_INTER) %{ base(0x1); // R1_SP index(0x0); scale(0x0); disp($reg); // Stack Offset %} %} operand stackSlotP(sRegP reg) %{ constraint(ALLOC_IN_RC(stack_slots)); op_cost(100); //match(RegP); format %{ "[sp+$reg]" %} interface(MEMORY_INTER) %{ base(0x1); // R1_SP index(0x0); scale(0x0); disp($reg); // Stack Offset %} %} operand stackSlotF(sRegF reg) %{ constraint(ALLOC_IN_RC(stack_slots)); op_cost(100); //match(RegF); format %{ "[sp+$reg]" %} interface(MEMORY_INTER) %{ base(0x1); // R1_SP index(0x0); scale(0x0); disp($reg); // Stack Offset %} %} operand stackSlotD(sRegD reg) %{ constraint(ALLOC_IN_RC(stack_slots)); op_cost(100); //match(RegD); format %{ "[sp+$reg]" %} interface(MEMORY_INTER) %{ base(0x1); // R1_SP index(0x0); scale(0x0); disp($reg); // Stack Offset %} %} // Operands for expressing Control Flow // NOTE: Label is a predefined operand which should not be redefined in // the AD file. It is generically handled within the ADLC. //----------Conditional Branch Operands---------------------------------------- // Comparison Op // // This is the operation of the comparison, and is limited to the // following set of codes: L (<), LE (<=), G (>), GE (>=), E (==), NE // (!=). // // Other attributes of the comparison, such as unsignedness, are specified // by the comparison instruction that sets a condition code flags register. // That result is represented by a flags operand whose subtype is appropriate // to the unsignedness (etc.) of the comparison. // // Later, the instruction which matches both the Comparison Op (a Bool) and // the flags (produced by the Cmp) specifies the coding of the comparison op // by matching a specific subtype of Bool operand below. // When used for floating point comparisons: unordered same as less. operand cmpOp() %{ match(Bool); format %{ "" %} interface(COND_INTER) %{ // BO only encodes bit 4 of bcondCRbiIsX, as bits 1-3 are always '100'. // BO & BI equal(0xA); // 10 10: bcondCRbiIs1 & Condition::equal not_equal(0x2); // 00 10: bcondCRbiIs0 & Condition::equal less(0x8); // 10 00: bcondCRbiIs1 & Condition::less greater_equal(0x0); // 00 00: bcondCRbiIs0 & Condition::less less_equal(0x1); // 00 01: bcondCRbiIs0 & Condition::greater greater(0x9); // 10 01: bcondCRbiIs1 & Condition::greater overflow(0xB); // 10 11: bcondCRbiIs1 & Condition::summary_overflow no_overflow(0x3); // 00 11: bcondCRbiIs0 & Condition::summary_overflow %} %} //----------OPERAND CLASSES---------------------------------------------------- // Operand Classes are groups of operands that are used to simplify // instruction definitions by not requiring the AD writer to specify // seperate instructions for every form of operand when the // instruction accepts multiple operand types with the same basic // encoding and format. The classic case of this is memory operands. // Indirect is not included since its use is limited to Compare & Swap. opclass memory(indirect, indOffset16 /*, indIndex, tlsReference*/, indirectNarrow, indOffset16Narrow); // Memory operand where offsets are 4-aligned. Required for ld, std. opclass memoryAlg4(indirect, indOffset16Alg4, indirectNarrow, indOffset16NarrowAlg4); opclass indirectMemory(indirect, indirectNarrow); // Special opclass for I and ConvL2I. opclass iRegIsrc_iRegL2Isrc(iRegIsrc, iRegL2Isrc); // Operand classes to match encode and decode. iRegN_P2N is only used // for storeN. I have never seen an encode node elsewhere. opclass iRegN_P2N(iRegNsrc, iRegP2N); opclass iRegP_N2P(iRegPsrc, iRegN2P); //----------PIPELINE----------------------------------------------------------- pipeline %{ // See J.M.Tendler et al. "Power4 system microarchitecture", IBM // J. Res. & Dev., No. 1, Jan. 2002. //----------ATTRIBUTES--------------------------------------------------------- attributes %{ // Power4 instructions are of fixed length. fixed_size_instructions; // TODO: if `bundle' means number of instructions fetched // per cycle, this is 8. If `bundle' means Power4 `group', that is // max instructions issued per cycle, this is 5. max_instructions_per_bundle = 8; // A Power4 instruction is 4 bytes long. instruction_unit_size = 4; // The Power4 processor fetches 64 bytes... instruction_fetch_unit_size = 64; // ...in one line instruction_fetch_units = 1 // Unused, list one so that array generated by adlc is not empty. // Aix compiler chokes if _nop_count = 0. nops(fxNop); %} //----------RESOURCES---------------------------------------------------------- // Resources are the functional units available to the machine resources( PPC_BR, // branch unit PPC_CR, // condition unit PPC_FX1, // integer arithmetic unit 1 PPC_FX2, // integer arithmetic unit 2 PPC_LDST1, // load/store unit 1 PPC_LDST2, // load/store unit 2 PPC_FP1, // float arithmetic unit 1 PPC_FP2, // float arithmetic unit 2 PPC_LDST = PPC_LDST1 | PPC_LDST2, PPC_FX = PPC_FX1 | PPC_FX2, PPC_FP = PPC_FP1 | PPC_FP2 ); //----------PIPELINE DESCRIPTION----------------------------------------------- // Pipeline Description specifies the stages in the machine's pipeline pipe_desc( // Power4 longest pipeline path PPC_IF, // instruction fetch PPC_IC, //PPC_BP, // branch prediction PPC_D0, // decode PPC_D1, // decode PPC_D2, // decode PPC_D3, // decode PPC_Xfer1, PPC_GD, // group definition PPC_MP, // map PPC_ISS, // issue PPC_RF, // resource fetch PPC_EX1, // execute (all units) PPC_EX2, // execute (FP, LDST) PPC_EX3, // execute (FP, LDST) PPC_EX4, // execute (FP) PPC_EX5, // execute (FP) PPC_EX6, // execute (FP) PPC_WB, // write back PPC_Xfer2, PPC_CP ); //----------PIPELINE CLASSES--------------------------------------------------- // Pipeline Classes describe the stages in which input and output are // referenced by the hardware pipeline. // Simple pipeline classes. // Default pipeline class. pipe_class pipe_class_default() %{ single_instruction; fixed_latency(2); %} // Pipeline class for empty instructions. pipe_class pipe_class_empty() %{ single_instruction; fixed_latency(0); %} // Pipeline class for compares. pipe_class pipe_class_compare() %{ single_instruction; fixed_latency(16); %} // Pipeline class for traps. pipe_class pipe_class_trap() %{ single_instruction; fixed_latency(100); %} // Pipeline class for memory operations. pipe_class pipe_class_memory() %{ single_instruction; fixed_latency(16); %} // Pipeline class for call. pipe_class pipe_class_call() %{ single_instruction; fixed_latency(100); %} // Define the class for the Nop node. define %{ MachNop = pipe_class_default; %} %} //----------INSTRUCTIONS------------------------------------------------------- // Naming of instructions: // opA_operB / opA_operB_operC: // Operation 'op' with one or two source operands 'oper'. Result // type is A, source operand types are B and C. // Iff A == B == C, B and C are left out. // // The instructions are ordered according to the following scheme: // - loads // - load constants // - prefetch // - store // - encode/decode // - membar // - conditional moves // - compare & swap // - arithmetic and logic operations // * int: Add, Sub, Mul, Div, Mod // * int: lShift, arShift, urShift, rot // * float: Add, Sub, Mul, Div // * and, or, xor ... // - register moves: float <-> int, reg <-> stack, repl // - cast (high level type cast, XtoP, castPP, castII, not_null etc. // - conv (low level type cast requiring bit changes (sign extend etc) // - compares, range & zero checks. // - branches // - complex operations, intrinsics, min, max, replicate // - lock // - Calls // // If there are similar instructions with different types they are sorted: // int before float // small before big // signed before unsigned // e.g., loadS before loadUS before loadI before loadF. //----------Load/Store Instructions-------------------------------------------- //----------Load Instructions-------------------------------------------------- // Converts byte to int. // As convB2I_reg, but without match rule. The match rule of convB2I_reg // reuses the 'amount' operand, but adlc expects that operand specification // and operands in match rule are equivalent. instruct convB2I_reg_2(iRegIdst dst, iRegIsrc src) %{ effect(DEF dst, USE src); format %{ "EXTSB $dst, $src \t// byte->int" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsb); __ extsb($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct loadUB_indirect(iRegIdst dst, indirectMemory mem) %{ // match-rule, false predicate match(Set dst (LoadB mem)); predicate(false); format %{ "LBZ $dst, $mem" %} size(4); ins_encode( enc_lbz(dst, mem) ); ins_pipe(pipe_class_memory); %} instruct loadUB_indirect_ac(iRegIdst dst, indirectMemory mem) %{ // match-rule, false predicate match(Set dst (LoadB mem)); predicate(false); format %{ "LBZ $dst, $mem\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lbz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Byte (8bit signed). LoadB = LoadUB + ConvUB2B. instruct loadB_indirect_Ex(iRegIdst dst, indirectMemory mem) %{ match(Set dst (LoadB mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST + DEFAULT_COST); expand %{ iRegIdst tmp; loadUB_indirect(tmp, mem); convB2I_reg_2(dst, tmp); %} %} instruct loadB_indirect_ac_Ex(iRegIdst dst, indirectMemory mem) %{ match(Set dst (LoadB mem)); ins_cost(3*MEMORY_REF_COST + DEFAULT_COST); expand %{ iRegIdst tmp; loadUB_indirect_ac(tmp, mem); convB2I_reg_2(dst, tmp); %} %} instruct loadUB_indOffset16(iRegIdst dst, indOffset16 mem) %{ // match-rule, false predicate match(Set dst (LoadB mem)); predicate(false); format %{ "LBZ $dst, $mem" %} size(4); ins_encode( enc_lbz(dst, mem) ); ins_pipe(pipe_class_memory); %} instruct loadUB_indOffset16_ac(iRegIdst dst, indOffset16 mem) %{ // match-rule, false predicate match(Set dst (LoadB mem)); predicate(false); format %{ "LBZ $dst, $mem\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lbz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Byte (8bit signed). LoadB = LoadUB + ConvUB2B. instruct loadB_indOffset16_Ex(iRegIdst dst, indOffset16 mem) %{ match(Set dst (LoadB mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST + DEFAULT_COST); expand %{ iRegIdst tmp; loadUB_indOffset16(tmp, mem); convB2I_reg_2(dst, tmp); %} %} instruct loadB_indOffset16_ac_Ex(iRegIdst dst, indOffset16 mem) %{ match(Set dst (LoadB mem)); ins_cost(3*MEMORY_REF_COST + DEFAULT_COST); expand %{ iRegIdst tmp; loadUB_indOffset16_ac(tmp, mem); convB2I_reg_2(dst, tmp); %} %} // Load Unsigned Byte (8bit UNsigned) into an int reg. instruct loadUB(iRegIdst dst, memory mem) %{ predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); match(Set dst (LoadUB mem)); ins_cost(MEMORY_REF_COST); format %{ "LBZ $dst, $mem \t// byte, zero-extend to int" %} size(4); ins_encode( enc_lbz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Unsigned Byte (8bit UNsigned) acquire. instruct loadUB_ac(iRegIdst dst, memory mem) %{ match(Set dst (LoadUB mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LBZ $dst, $mem \t// byte, zero-extend to int, acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lbz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Unsigned Byte (8bit UNsigned) into a Long Register. instruct loadUB2L(iRegLdst dst, memory mem) %{ match(Set dst (ConvI2L (LoadUB mem))); predicate(_kids[0]->_leaf->as_Load()->is_unordered() || followed_by_acquire(_kids[0]->_leaf)); ins_cost(MEMORY_REF_COST); format %{ "LBZ $dst, $mem \t// byte, zero-extend to long" %} size(4); ins_encode( enc_lbz(dst, mem) ); ins_pipe(pipe_class_memory); %} instruct loadUB2L_ac(iRegLdst dst, memory mem) %{ match(Set dst (ConvI2L (LoadUB mem))); ins_cost(3*MEMORY_REF_COST); format %{ "LBZ $dst, $mem \t// byte, zero-extend to long, acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lbz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Short (16bit signed) instruct loadS(iRegIdst dst, memory mem) %{ match(Set dst (LoadS mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LHA $dst, $mem" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lha); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lha($dst$$Register, Idisp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Load Short (16bit signed) acquire. instruct loadS_ac(iRegIdst dst, memory mem) %{ match(Set dst (LoadS mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LHA $dst, $mem\t acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lha($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} ins_pipe(pipe_class_memory); %} // Load Char (16bit unsigned) instruct loadUS(iRegIdst dst, memory mem) %{ match(Set dst (LoadUS mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LHZ $dst, $mem" %} size(4); ins_encode( enc_lhz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Char (16bit unsigned) acquire. instruct loadUS_ac(iRegIdst dst, memory mem) %{ match(Set dst (LoadUS mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LHZ $dst, $mem \t// acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lhz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Unsigned Short/Char (16bit UNsigned) into a Long Register. instruct loadUS2L(iRegLdst dst, memory mem) %{ match(Set dst (ConvI2L (LoadUS mem))); predicate(_kids[0]->_leaf->as_Load()->is_unordered() || followed_by_acquire(_kids[0]->_leaf)); ins_cost(MEMORY_REF_COST); format %{ "LHZ $dst, $mem \t// short, zero-extend to long" %} size(4); ins_encode( enc_lhz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Unsigned Short/Char (16bit UNsigned) into a Long Register acquire. instruct loadUS2L_ac(iRegLdst dst, memory mem) %{ match(Set dst (ConvI2L (LoadUS mem))); ins_cost(3*MEMORY_REF_COST); format %{ "LHZ $dst, $mem \t// short, zero-extend to long, acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lhz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Integer. instruct loadI(iRegIdst dst, memory mem) %{ match(Set dst (LoadI mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Integer acquire. instruct loadI_ac(iRegIdst dst, memory mem) %{ match(Set dst (LoadI mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// load acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lwz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Match loading integer and casting it to unsigned int in // long register. // LoadI + ConvI2L + AndL 0xffffffff. instruct loadUI2L(iRegLdst dst, memory mem, immL_32bits mask) %{ match(Set dst (AndL (ConvI2L (LoadI mem)) mask)); predicate(_kids[0]->_kids[0]->_leaf->as_Load()->is_unordered()); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// zero-extend to long" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Match loading integer and casting it to long. instruct loadI2L(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (ConvI2L (LoadI mem))); predicate(_kids[0]->_leaf->as_Load()->is_unordered()); ins_cost(MEMORY_REF_COST); format %{ "LWA $dst, $mem \t// loadI2L" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwa); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lwa($dst$$Register, Idisp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Match loading integer and casting it to long - acquire. instruct loadI2L_ac(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (ConvI2L (LoadI mem))); ins_cost(3*MEMORY_REF_COST); format %{ "LWA $dst, $mem \t// loadI2L acquire" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwa); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lwa($dst$$Register, Idisp, $mem$$base$$Register); __ twi_0($dst$$Register); __ isync(); %} ins_pipe(pipe_class_memory); %} // Load Long - aligned instruct loadL(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (LoadL mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// long" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Long - aligned acquire. instruct loadL_ac(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (LoadL mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LD $dst, $mem \t// long acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_ld_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Long - UNaligned instruct loadL_unaligned(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (LoadL_unaligned mem)); // predicate(...) // Unaligned_ac is not needed (and wouldn't make sense). ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// unaligned long" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load nodes for superwords // Load Aligned Packed Byte instruct loadV8(iRegLdst dst, memoryAlg4 mem) %{ predicate(n->as_LoadVector()->memory_size() == 8); match(Set dst (LoadVector mem)); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// load 8-byte Vector" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Range, range = array length (=jint) instruct loadRange(iRegIdst dst, memory mem) %{ match(Set dst (LoadRange mem)); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// range" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Compressed Pointer instruct loadN(iRegNdst dst, memory mem) %{ match(Set dst (LoadN mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// load compressed ptr" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Compressed Pointer acquire. instruct loadN_ac(iRegNdst dst, memory mem) %{ match(Set dst (LoadN mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// load acquire compressed ptr\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_lwz_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Compressed Pointer and decode it if narrow_oop_shift == 0. instruct loadN2P_unscaled(iRegPdst dst, memory mem) %{ match(Set dst (DecodeN (LoadN mem))); predicate(_kids[0]->_leaf->as_Load()->is_unordered() && Universe::narrow_oop_shift() == 0); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// DecodeN (unscaled)" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Pointer instruct loadP(iRegPdst dst, memoryAlg4 mem) %{ match(Set dst (LoadP mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// ptr" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Pointer acquire. instruct loadP_ac(iRegPdst dst, memoryAlg4 mem) %{ match(Set dst (LoadP mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LD $dst, $mem \t// ptr acquire\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_ld_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} // LoadP + CastP2L instruct loadP2X(iRegLdst dst, memoryAlg4 mem) %{ match(Set dst (CastP2X (LoadP mem))); predicate(_kids[0]->_leaf->as_Load()->is_unordered()); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// ptr + p2x" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load compressed klass pointer. instruct loadNKlass(iRegNdst dst, memory mem) %{ match(Set dst (LoadNKlass mem)); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $mem \t// compressed klass ptr" %} size(4); ins_encode( enc_lwz(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Klass Pointer instruct loadKlass(iRegPdst dst, memoryAlg4 mem) %{ match(Set dst (LoadKlass mem)); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// klass ptr" %} size(4); ins_encode( enc_ld(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Float instruct loadF(regF dst, memory mem) %{ match(Set dst (LoadF mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LFS $dst, $mem" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lfs); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ lfs($dst$$FloatRegister, Idisp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Load Float acquire. instruct loadF_ac(regF dst, memory mem) %{ match(Set dst (LoadF mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LFS $dst, $mem \t// acquire\n\t" "FCMPU cr0, $dst, $dst\n\t" "BNE cr0, next\n" "next:\n\t" "ISYNC" %} size(16); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); Label next; __ lfs($dst$$FloatRegister, Idisp, $mem$$base$$Register); __ fcmpu(CCR0, $dst$$FloatRegister, $dst$$FloatRegister); __ bne(CCR0, next); __ bind(next); __ isync(); %} ins_pipe(pipe_class_memory); %} // Load Double - aligned instruct loadD(regD dst, memory mem) %{ match(Set dst (LoadD mem)); predicate(n->as_Load()->is_unordered() || followed_by_acquire(n)); ins_cost(MEMORY_REF_COST); format %{ "LFD $dst, $mem" %} size(4); ins_encode( enc_lfd(dst, mem) ); ins_pipe(pipe_class_memory); %} // Load Double - aligned acquire. instruct loadD_ac(regD dst, memory mem) %{ match(Set dst (LoadD mem)); ins_cost(3*MEMORY_REF_COST); format %{ "LFD $dst, $mem \t// acquire\n\t" "FCMPU cr0, $dst, $dst\n\t" "BNE cr0, next\n" "next:\n\t" "ISYNC" %} size(16); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); Label next; __ lfd($dst$$FloatRegister, Idisp, $mem$$base$$Register); __ fcmpu(CCR0, $dst$$FloatRegister, $dst$$FloatRegister); __ bne(CCR0, next); __ bind(next); __ isync(); %} ins_pipe(pipe_class_memory); %} // Load Double - UNaligned instruct loadD_unaligned(regD dst, memory mem) %{ match(Set dst (LoadD_unaligned mem)); // predicate(...) // Unaligned_ac is not needed (and wouldn't make sense). ins_cost(MEMORY_REF_COST); format %{ "LFD $dst, $mem" %} size(4); ins_encode( enc_lfd(dst, mem) ); ins_pipe(pipe_class_memory); %} //----------Constants-------------------------------------------------------- // Load MachConstantTableBase: add hi offset to global toc. // TODO: Handle hidden register r29 in bundler! instruct loadToc_hi(iRegLdst dst) %{ effect(DEF dst); ins_cost(DEFAULT_COST); format %{ "ADDIS $dst, R29, DISP.hi \t// load TOC hi" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ calculate_address_from_global_toc_hi16only($dst$$Register, __ method_toc()); %} ins_pipe(pipe_class_default); %} // Load MachConstantTableBase: add lo offset to global toc. instruct loadToc_lo(iRegLdst dst, iRegLdst src) %{ effect(DEF dst, USE src); ins_cost(DEFAULT_COST); format %{ "ADDI $dst, $src, DISP.lo \t// load TOC lo" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); __ calculate_address_from_global_toc_lo16only($dst$$Register, __ method_toc()); %} ins_pipe(pipe_class_default); %} // Load 16-bit integer constant 0xssss???? instruct loadConI16(iRegIdst dst, immI16 src) %{ match(Set dst src); format %{ "LI $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} // Load integer constant 0x????0000 instruct loadConIhi16(iRegIdst dst, immIhi16 src) %{ match(Set dst src); ins_cost(DEFAULT_COST); format %{ "LIS $dst, $src.hi" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); // Lis sign extends 16-bit src then shifts it 16 bit to the left. __ lis($dst$$Register, (int)((short)(($src$$constant & 0xFFFF0000) >> 16))); %} ins_pipe(pipe_class_default); %} // Part 2 of loading 32 bit constant: hi16 is is src1 (properly shifted // and sign extended), this adds the low 16 bits. instruct loadConI32_lo16(iRegIdst dst, iRegIsrc src1, immI16 src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "ORI $dst, $src1.hi, $src2.lo" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); __ ori($dst$$Register, $src1$$Register, ($src2$$constant) & 0xFFFF); %} ins_pipe(pipe_class_default); %} instruct loadConI_Ex(iRegIdst dst, immI src) %{ match(Set dst src); ins_cost(DEFAULT_COST*2); expand %{ // Would like to use $src$$constant. immI16 srcLo %{ _opnds[1]->constant() %} // srcHi can be 0000 if srcLo sign-extends to a negative number. immIhi16 srcHi %{ _opnds[1]->constant() %} iRegIdst tmpI; loadConIhi16(tmpI, srcHi); loadConI32_lo16(dst, tmpI, srcLo); %} %} // No constant pool entries required. instruct loadConL16(iRegLdst dst, immL16 src) %{ match(Set dst src); format %{ "LI $dst, $src \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short) ($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} // Load long constant 0xssssssss????0000 instruct loadConL32hi16(iRegLdst dst, immL32hi16 src) %{ match(Set dst src); ins_cost(DEFAULT_COST); format %{ "LIS $dst, $src.hi \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ lis($dst$$Register, (int)((short)(($src$$constant & 0xFFFF0000) >> 16))); %} ins_pipe(pipe_class_default); %} // To load a 32 bit constant: merge lower 16 bits into already loaded // high 16 bits. instruct loadConL32_lo16(iRegLdst dst, iRegLsrc src1, immL16 src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "ORI $dst, $src1, $src2.lo" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); __ ori($dst$$Register, $src1$$Register, ($src2$$constant) & 0xFFFF); %} ins_pipe(pipe_class_default); %} // Load 32-bit long constant instruct loadConL32_Ex(iRegLdst dst, immL32 src) %{ match(Set dst src); ins_cost(DEFAULT_COST*2); expand %{ // Would like to use $src$$constant. immL16 srcLo %{ _opnds[1]->constant() /*& 0x0000FFFFL */%} // srcHi can be 0000 if srcLo sign-extends to a negative number. immL32hi16 srcHi %{ _opnds[1]->constant() /*& 0xFFFF0000L */%} iRegLdst tmpL; loadConL32hi16(tmpL, srcHi); loadConL32_lo16(dst, tmpL, srcLo); %} %} // Load long constant 0x????000000000000. instruct loadConLhighest16_Ex(iRegLdst dst, immLhighest16 src) %{ match(Set dst src); ins_cost(DEFAULT_COST); expand %{ immL32hi16 srcHi %{ _opnds[1]->constant() >> 32 /*& 0xFFFF0000L */%} immI shift32 %{ 32 %} iRegLdst tmpL; loadConL32hi16(tmpL, srcHi); lshiftL_regL_immI(dst, tmpL, shift32); %} %} // Expand node for constant pool load: small offset. instruct loadConL(iRegLdst dst, immL src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); ins_cost(MEMORY_REF_COST); ins_num_consts(1); // Needed so that CallDynamicJavaDirect can compute the address of this // instruction for relocation. ins_field_cbuf_insts_offset(int); format %{ "LD $dst, offset, $toc \t// load long $src from TOC" %} size(4); ins_encode( enc_load_long_constL(dst, src, toc) ); ins_pipe(pipe_class_memory); %} // Expand node for constant pool load: large offset. instruct loadConL_hi(iRegLdst dst, immL src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); predicate(false); ins_num_consts(1); ins_field_const_toc_offset(int); // Needed so that CallDynamicJavaDirect can compute the address of this // instruction for relocation. ins_field_cbuf_insts_offset(int); format %{ "ADDIS $dst, $toc, offset \t// load long $src from TOC (hi)" %} size(4); ins_encode( enc_load_long_constL_hi(dst, toc, src) ); ins_pipe(pipe_class_default); %} // Expand node for constant pool load: large offset. // No constant pool entries required. instruct loadConL_lo(iRegLdst dst, immL src, iRegLdst base) %{ effect(DEF dst, USE src, USE base); predicate(false); ins_field_const_toc_offset_hi_node(loadConL_hiNode*); format %{ "LD $dst, offset, $base \t// load long $src from TOC (lo)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); int offset = ra_->C->in_scratch_emit_size() ? 0 : _const_toc_offset_hi_node->_const_toc_offset; __ ld($dst$$Register, MacroAssembler::largeoffset_si16_si16_lo(offset), $base$$Register); %} ins_pipe(pipe_class_memory); %} // Load long constant from constant table. Expand in case of // offset > 16 bit is needed. // Adlc adds toc node MachConstantTableBase. instruct loadConL_Ex(iRegLdst dst, immL src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, offset, $constanttablebase\t// load long $src from table, postalloc expanded" %} // We can not inline the enc_class for the expand as that does not support constanttablebase. postalloc_expand( postalloc_expand_load_long_constant(dst, src, constanttablebase) ); %} // Load NULL as compressed oop. instruct loadConN0(iRegNdst dst, immN_0 src) %{ match(Set dst src); ins_cost(DEFAULT_COST); format %{ "LI $dst, $src \t// compressed ptr" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, 0); %} ins_pipe(pipe_class_default); %} // Load hi part of compressed oop constant. instruct loadConN_hi(iRegNdst dst, immN src) %{ effect(DEF dst, USE src); ins_cost(DEFAULT_COST); format %{ "LIS $dst, $src \t// narrow oop hi" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ lis($dst$$Register, (int)(short)(($src$$constant >> 16) & 0xffff)); %} ins_pipe(pipe_class_default); %} // Add lo part of compressed oop constant to already loaded hi part. instruct loadConN_lo(iRegNdst dst, iRegNsrc src1, immN src2) %{ effect(DEF dst, USE src1, USE src2); ins_cost(DEFAULT_COST); format %{ "ORI $dst, $src1, $src2 \t// narrow oop lo" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); assert(__ oop_recorder() != NULL, "this assembler needs an OopRecorder"); int oop_index = __ oop_recorder()->find_index((jobject)$src2$$constant); RelocationHolder rspec = oop_Relocation::spec(oop_index); __ relocate(rspec, 1); __ ori($dst$$Register, $src1$$Register, $src2$$constant & 0xffff); %} ins_pipe(pipe_class_default); %} // Needed to postalloc expand loadConN: ConN is loaded as ConI // leaving the upper 32 bits with sign-extension bits. // This clears these bits: dst = src & 0xFFFFFFFF. // TODO: Eventually call this maskN_regN_FFFFFFFF. instruct clearMs32b(iRegNdst dst, iRegNsrc src) %{ effect(DEF dst, USE src); predicate(false); format %{ "MASK $dst, $src, 0xFFFFFFFF" %} // mask size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src$$Register, 0x20); %} ins_pipe(pipe_class_default); %} // Loading ConN must be postalloc expanded so that edges between // the nodes are safe. They may not interfere with a safepoint. // GL TODO: This needs three instructions: better put this into the constant pool. instruct loadConN_Ex(iRegNdst dst, immN src) %{ match(Set dst src); ins_cost(DEFAULT_COST*2); format %{ "LoadN $dst, $src \t// postalloc expanded" %} // mask postalloc_expand %{ MachNode *m1 = new (C) loadConN_hiNode(); MachNode *m2 = new (C) loadConN_loNode(); MachNode *m3 = new (C) clearMs32bNode(); m1->add_req(NULL); m2->add_req(NULL, m1); m3->add_req(NULL, m2); m1->_opnds[0] = op_dst; m1->_opnds[1] = op_src; m2->_opnds[0] = op_dst; m2->_opnds[1] = op_dst; m2->_opnds[2] = op_src; m3->_opnds[0] = op_dst; m3->_opnds[1] = op_dst; ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(m3->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m1); nodes->push(m2); nodes->push(m3); %} %} // We have seen a safepoint between the hi and lo parts, and this node was handled // as an oop. Therefore this needs a match rule so that build_oop_map knows this is // not a narrow oop. instruct loadConNKlass_hi(iRegNdst dst, immNKlass_NM src) %{ match(Set dst src); effect(DEF dst, USE src); ins_cost(DEFAULT_COST); format %{ "LIS $dst, $src \t// narrow klass hi" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); intptr_t Csrc = Klass::encode_klass((Klass *)$src$$constant); __ lis($dst$$Register, (int)(short)((Csrc >> 16) & 0xffff)); %} ins_pipe(pipe_class_default); %} // As loadConNKlass_hi this must be recognized as narrow klass, not oop! instruct loadConNKlass_mask(iRegNdst dst, immNKlass_NM src1, iRegNsrc src2) %{ match(Set dst src1); effect(TEMP src2); ins_cost(DEFAULT_COST); format %{ "MASK $dst, $src2, 0xFFFFFFFF" %} // mask size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src2$$Register, 0x20); %} ins_pipe(pipe_class_default); %} // This needs a match rule so that build_oop_map knows this is // not a narrow oop. instruct loadConNKlass_lo(iRegNdst dst, immNKlass_NM src1, iRegNsrc src2) %{ match(Set dst src1); effect(TEMP src2); ins_cost(DEFAULT_COST); format %{ "ORI $dst, $src1, $src2 \t// narrow klass lo" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); intptr_t Csrc = Klass::encode_klass((Klass *)$src1$$constant); assert(__ oop_recorder() != NULL, "this assembler needs an OopRecorder"); int klass_index = __ oop_recorder()->find_index((Klass *)$src1$$constant); RelocationHolder rspec = metadata_Relocation::spec(klass_index); __ relocate(rspec, 1); __ ori($dst$$Register, $src2$$Register, Csrc & 0xffff); %} ins_pipe(pipe_class_default); %} // Loading ConNKlass must be postalloc expanded so that edges between // the nodes are safe. They may not interfere with a safepoint. instruct loadConNKlass_Ex(iRegNdst dst, immNKlass src) %{ match(Set dst src); ins_cost(DEFAULT_COST*2); format %{ "LoadN $dst, $src \t// postalloc expanded" %} // mask postalloc_expand %{ // Load high bits into register. Sign extended. MachNode *m1 = new (C) loadConNKlass_hiNode(); m1->add_req(NULL); m1->_opnds[0] = op_dst; m1->_opnds[1] = op_src; ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m1); MachNode *m2 = m1; if (!Assembler::is_uimm((jlong)Klass::encode_klass((Klass *)op_src->constant()), 31)) { // Value might be 1-extended. Mask out these bits. m2 = new (C) loadConNKlass_maskNode(); m2->add_req(NULL, m1); m2->_opnds[0] = op_dst; m2->_opnds[1] = op_src; m2->_opnds[2] = op_dst; ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m2); } MachNode *m3 = new (C) loadConNKlass_loNode(); m3->add_req(NULL, m2); m3->_opnds[0] = op_dst; m3->_opnds[1] = op_src; m3->_opnds[2] = op_dst; ra_->set_pair(m3->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(m3); %} %} // 0x1 is used in object initialization (initial object header). // No constant pool entries required. instruct loadConP0or1(iRegPdst dst, immP_0or1 src) %{ match(Set dst src); format %{ "LI $dst, $src \t// ptr" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} // Expand node for constant pool load: small offset. // The match rule is needed to generate the correct bottom_type(), // however this node should never match. The use of predicate is not // possible since ADLC forbids predicates for chain rules. The higher // costs do not prevent matching in this case. For that reason the // operand immP_NM with predicate(false) is used. instruct loadConP(iRegPdst dst, immP_NM src, iRegLdst toc) %{ match(Set dst src); effect(TEMP toc); ins_num_consts(1); format %{ "LD $dst, offset, $toc \t// load ptr $src from TOC" %} size(4); ins_encode( enc_load_long_constP(dst, src, toc) ); ins_pipe(pipe_class_memory); %} // Expand node for constant pool load: large offset. instruct loadConP_hi(iRegPdst dst, immP_NM src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); predicate(false); ins_num_consts(1); ins_field_const_toc_offset(int); format %{ "ADDIS $dst, $toc, offset \t// load ptr $src from TOC (hi)" %} size(4); ins_encode( enc_load_long_constP_hi(dst, src, toc) ); ins_pipe(pipe_class_default); %} // Expand node for constant pool load: large offset. instruct loadConP_lo(iRegPdst dst, immP_NM src, iRegLdst base) %{ match(Set dst src); effect(TEMP base); ins_field_const_toc_offset_hi_node(loadConP_hiNode*); format %{ "LD $dst, offset, $base \t// load ptr $src from TOC (lo)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ld); int offset = ra_->C->in_scratch_emit_size() ? 0 : _const_toc_offset_hi_node->_const_toc_offset; __ ld($dst$$Register, MacroAssembler::largeoffset_si16_si16_lo(offset), $base$$Register); %} ins_pipe(pipe_class_memory); %} // Load pointer constant from constant table. Expand in case an // offset > 16 bit is needed. // Adlc adds toc node MachConstantTableBase. instruct loadConP_Ex(iRegPdst dst, immP src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); // This rule does not use "expand" because then // the result type is not known to be an Oop. An ADLC // enhancement will be needed to make that work - not worth it! // If this instruction rematerializes, it prolongs the live range // of the toc node, causing illegal graphs. // assert(edge_from_to(_reg_node[reg_lo],def)) fails in verify_good_schedule(). ins_cannot_rematerialize(true); format %{ "LD $dst, offset, $constanttablebase \t// load ptr $src from table, postalloc expanded" %} postalloc_expand( postalloc_expand_load_ptr_constant(dst, src, constanttablebase) ); %} // Expand node for constant pool load: small offset. instruct loadConF(regF dst, immF src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); ins_cost(MEMORY_REF_COST); ins_num_consts(1); format %{ "LFS $dst, offset, $toc \t// load float $src from TOC" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lfs); address float_address = __ float_constant($src$$constant); __ lfs($dst$$FloatRegister, __ offset_to_method_toc(float_address), $toc$$Register); %} ins_pipe(pipe_class_memory); %} // Expand node for constant pool load: large offset. instruct loadConFComp(regF dst, immF src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); ins_cost(MEMORY_REF_COST); ins_num_consts(1); format %{ "ADDIS $toc, $toc, offset_hi\n\t" "LFS $dst, offset_lo, $toc \t// load float $src from TOC (hi/lo)\n\t" "ADDIS $toc, $toc, -offset_hi"%} size(12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); FloatRegister Rdst = $dst$$FloatRegister; Register Rtoc = $toc$$Register; address float_address = __ float_constant($src$$constant); int offset = __ offset_to_method_toc(float_address); int hi = (offset + (1<<15))>>16; int lo = offset - hi * (1<<16); __ addis(Rtoc, Rtoc, hi); __ lfs(Rdst, lo, Rtoc); __ addis(Rtoc, Rtoc, -hi); %} ins_pipe(pipe_class_memory); %} // Adlc adds toc node MachConstantTableBase. instruct loadConF_Ex(regF dst, immF src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); // See loadConP. ins_cannot_rematerialize(true); format %{ "LFS $dst, offset, $constanttablebase \t// load $src from table, postalloc expanded" %} postalloc_expand( postalloc_expand_load_float_constant(dst, src, constanttablebase) ); %} // Expand node for constant pool load: small offset. instruct loadConD(regD dst, immD src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); ins_cost(MEMORY_REF_COST); ins_num_consts(1); format %{ "LFD $dst, offset, $toc \t// load double $src from TOC" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lfd); int offset = __ offset_to_method_toc(__ double_constant($src$$constant)); __ lfd($dst$$FloatRegister, offset, $toc$$Register); %} ins_pipe(pipe_class_memory); %} // Expand node for constant pool load: large offset. instruct loadConDComp(regD dst, immD src, iRegLdst toc) %{ effect(DEF dst, USE src, USE toc); ins_cost(MEMORY_REF_COST); ins_num_consts(1); format %{ "ADDIS $toc, $toc, offset_hi\n\t" "LFD $dst, offset_lo, $toc \t// load double $src from TOC (hi/lo)\n\t" "ADDIS $toc, $toc, -offset_hi" %} size(12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); FloatRegister Rdst = $dst$$FloatRegister; Register Rtoc = $toc$$Register; address float_address = __ double_constant($src$$constant); int offset = __ offset_to_method_toc(float_address); int hi = (offset + (1<<15))>>16; int lo = offset - hi * (1<<16); __ addis(Rtoc, Rtoc, hi); __ lfd(Rdst, lo, Rtoc); __ addis(Rtoc, Rtoc, -hi); %} ins_pipe(pipe_class_memory); %} // Adlc adds toc node MachConstantTableBase. instruct loadConD_Ex(regD dst, immD src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); // See loadConP. ins_cannot_rematerialize(true); format %{ "ConD $dst, offset, $constanttablebase \t// load $src from table, postalloc expanded" %} postalloc_expand( postalloc_expand_load_double_constant(dst, src, constanttablebase) ); %} // Prefetch instructions. // Must be safe to execute with invalid address (cannot fault). instruct prefetchr(indirectMemory mem, iRegLsrc src) %{ match(PrefetchRead (AddP mem src)); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 0, $src \t// Prefetch read-many" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbt); __ dcbt($src$$Register, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetchr_no_offset(indirectMemory mem) %{ match(PrefetchRead mem); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbt); __ dcbt($mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetchw(indirectMemory mem, iRegLsrc src) %{ match(PrefetchWrite (AddP mem src)); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many (and read)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbtst($src$$Register, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetchw_no_offset(indirectMemory mem) %{ match(PrefetchWrite mem); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbtst($mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Special prefetch versions which use the dcbz instruction. instruct prefetch_alloc_zero(indirectMemory mem, iRegLsrc src) %{ match(PrefetchAllocation (AddP mem src)); predicate(AllocatePrefetchStyle == 3); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many with zero" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbz($src$$Register, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetch_alloc_zero_no_offset(indirectMemory mem) %{ match(PrefetchAllocation mem); predicate(AllocatePrefetchStyle == 3); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 2 \t// Prefetch write-many with zero" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbz($mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetch_alloc(indirectMemory mem, iRegLsrc src) %{ match(PrefetchAllocation (AddP mem src)); predicate(AllocatePrefetchStyle != 3); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbtst($src$$Register, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} instruct prefetch_alloc_no_offset(indirectMemory mem) %{ match(PrefetchAllocation mem); predicate(AllocatePrefetchStyle != 3); ins_cost(MEMORY_REF_COST); format %{ "PREFETCH $mem, 2 \t// Prefetch write-many" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst); __ dcbtst($mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} //----------Store Instructions------------------------------------------------- // Store Byte instruct storeB(memory mem, iRegIsrc src) %{ match(Set mem (StoreB mem src)); ins_cost(MEMORY_REF_COST); format %{ "STB $src, $mem \t// byte" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_stb); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ stb($src$$Register, Idisp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Store Char/Short instruct storeC(memory mem, iRegIsrc src) %{ match(Set mem (StoreC mem src)); ins_cost(MEMORY_REF_COST); format %{ "STH $src, $mem \t// short" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sth); int Idisp = $mem$$disp + frame_slots_bias($mem$$base, ra_); __ sth($src$$Register, Idisp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Store Integer instruct storeI(memory mem, iRegIsrc src) %{ match(Set mem (StoreI mem src)); ins_cost(MEMORY_REF_COST); format %{ "STW $src, $mem" %} size(4); ins_encode( enc_stw(src, mem) ); ins_pipe(pipe_class_memory); %} // ConvL2I + StoreI. instruct storeI_convL2I(memory mem, iRegLsrc src) %{ match(Set mem (StoreI mem (ConvL2I src))); ins_cost(MEMORY_REF_COST); format %{ "STW l2i($src), $mem" %} size(4); ins_encode( enc_stw(src, mem) ); ins_pipe(pipe_class_memory); %} // Store Long instruct storeL(memoryAlg4 mem, iRegLsrc src) %{ match(Set mem (StoreL mem src)); ins_cost(MEMORY_REF_COST); format %{ "STD $src, $mem \t// long" %} size(4); ins_encode( enc_std(src, mem) ); ins_pipe(pipe_class_memory); %} // Store super word nodes. // Store Aligned Packed Byte long register to memory instruct storeA8B(memoryAlg4 mem, iRegLsrc src) %{ predicate(n->as_StoreVector()->memory_size() == 8); match(Set mem (StoreVector mem src)); ins_cost(MEMORY_REF_COST); format %{ "STD $mem, $src \t// packed8B" %} size(4); ins_encode( enc_std(src, mem) ); ins_pipe(pipe_class_memory); %} // Store Compressed Oop instruct storeN(memory dst, iRegN_P2N src) %{ match(Set dst (StoreN dst src)); ins_cost(MEMORY_REF_COST); format %{ "STW $src, $dst \t// compressed oop" %} size(4); ins_encode( enc_stw(src, dst) ); ins_pipe(pipe_class_memory); %} // Store Compressed KLass instruct storeNKlass(memory dst, iRegN_P2N src) %{ match(Set dst (StoreNKlass dst src)); ins_cost(MEMORY_REF_COST); format %{ "STW $src, $dst \t// compressed klass" %} size(4); ins_encode( enc_stw(src, dst) ); ins_pipe(pipe_class_memory); %} // Store Pointer instruct storeP(memoryAlg4 dst, iRegPsrc src) %{ match(Set dst (StoreP dst src)); ins_cost(MEMORY_REF_COST); format %{ "STD $src, $dst \t// ptr" %} size(4); ins_encode( enc_std(src, dst) ); ins_pipe(pipe_class_memory); %} // Store Float instruct storeF(memory mem, regF src) %{ match(Set mem (StoreF mem src)); ins_cost(MEMORY_REF_COST); format %{ "STFS $src, $mem" %} size(4); ins_encode( enc_stfs(src, mem) ); ins_pipe(pipe_class_memory); %} // Store Double instruct storeD(memory mem, regD src) %{ match(Set mem (StoreD mem src)); ins_cost(MEMORY_REF_COST); format %{ "STFD $src, $mem" %} size(4); ins_encode( enc_stfd(src, mem) ); ins_pipe(pipe_class_memory); %} //----------Store Instructions With Zeros-------------------------------------- // Card-mark for CMS garbage collection. // This cardmark does an optimization so that it must not always // do a releasing store. For this, it gets the address of // CMSCollectorCardTableModRefBSExt::_requires_release as input. // (Using releaseFieldAddr in the match rule is a hack.) instruct storeCM_CMS(memory mem, iRegLdst releaseFieldAddr) %{ match(Set mem (StoreCM mem releaseFieldAddr)); predicate(false); ins_cost(MEMORY_REF_COST); // See loadConP. ins_cannot_rematerialize(true); format %{ "STB #0, $mem \t// CMS card-mark byte (must be 0!), checking requires_release in [$releaseFieldAddr]" %} ins_encode( enc_cms_card_mark(mem, releaseFieldAddr) ); ins_pipe(pipe_class_memory); %} // Card-mark for CMS garbage collection. // This cardmark does an optimization so that it must not always // do a releasing store. For this, it needs the constant address of // CMSCollectorCardTableModRefBSExt::_requires_release. // This constant address is split off here by expand so we can use // adlc / matcher functionality to load it from the constant section. instruct storeCM_CMS_ExEx(memory mem, immI_0 zero) %{ match(Set mem (StoreCM mem zero)); predicate(UseConcMarkSweepGC); expand %{ immL baseImm %{ 0 /* TODO: PPC port (jlong)CMSCollectorCardTableModRefBSExt::requires_release_address() */ %} iRegLdst releaseFieldAddress; loadConL_Ex(releaseFieldAddress, baseImm); storeCM_CMS(mem, releaseFieldAddress); %} %} instruct storeCM_G1(memory mem, immI_0 zero) %{ match(Set mem (StoreCM mem zero)); predicate(UseG1GC); ins_cost(MEMORY_REF_COST); ins_cannot_rematerialize(true); format %{ "STB #0, $mem \t// CMS card-mark byte store (G1)" %} size(8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ li(R0, 0); //__ release(); // G1: oops are allowed to get visible after dirty marking guarantee($mem$$base$$Register != R1_SP, "use frame_slots_bias"); __ stb(R0, $mem$$disp, $mem$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Convert oop pointer into compressed form. // Nodes for postalloc expand. // Shift node for expand. instruct encodeP_shift(iRegNdst dst, iRegNsrc src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodeP src)); predicate(false); format %{ "SRDI $dst, $src, 3 \t// encode" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src$$Register, Universe::narrow_oop_shift() & 0x3f); %} ins_pipe(pipe_class_default); %} // Add node for expand. instruct encodeP_sub(iRegPdst dst, iRegPdst src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodeP src)); predicate(false); format %{ "SUB $dst, $src, oop_base \t// encode" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, R30, $src$$Register); %} ins_pipe(pipe_class_default); %} // Conditional sub base. instruct cond_sub_base(iRegNdst dst, flagsReg crx, iRegPsrc src1) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodeP (Binary crx src1))); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "BEQ $crx, done\n\t" "SUB $dst, $src1, R30 \t// encode: subtract base if != NULL\n" "done:" %} size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); Label done; __ beq($crx$$CondRegister, done); __ subf($dst$$Register, R30, $src1$$Register); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} // Power 7 can use isel instruction instruct cond_set_0_oop(iRegNdst dst, flagsReg crx, iRegPsrc src1) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodeP (Binary crx src1))); predicate(false); format %{ "CMOVE $dst, $crx eq, 0, $src1 \t// encode: preserve 0" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description exists. // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ isel_0($dst$$Register, $crx$$CondRegister, Assembler::equal, $src1$$Register); %} ins_pipe(pipe_class_default); %} // base != 0 // 32G aligned narrow oop base. instruct encodeP_32GAligned(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodeP src)); predicate(false /* TODO: PPC port Universe::narrow_oop_base_disjoint()*/); format %{ "EXTRDI $dst, $src, #32, #3 \t// encode with 32G aligned base" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ rldicl($dst$$Register, $src$$Register, 64-Universe::narrow_oop_shift(), 32); %} ins_pipe(pipe_class_default); %} // shift != 0, base != 0 instruct encodeP_Ex(iRegNdst dst, flagsReg crx, iRegPsrc src) %{ match(Set dst (EncodeP src)); effect(TEMP crx); predicate(n->bottom_type()->make_ptr()->ptr() != TypePtr::NotNull && Universe::narrow_oop_shift() != 0 && true /* TODO: PPC port Universe::narrow_oop_base_overlaps()*/); format %{ "EncodeP $dst, $crx, $src \t// postalloc expanded" %} postalloc_expand( postalloc_expand_encode_oop(dst, src, crx)); %} // shift != 0, base != 0 instruct encodeP_not_null_Ex(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodeP src)); predicate(n->bottom_type()->make_ptr()->ptr() == TypePtr::NotNull && Universe::narrow_oop_shift() != 0 && true /* TODO: PPC port Universe::narrow_oop_base_overlaps()*/); format %{ "EncodeP $dst, $src\t// $src != Null, postalloc expanded" %} postalloc_expand( postalloc_expand_encode_oop_not_null(dst, src) ); %} // shift != 0, base == 0 // TODO: This is the same as encodeP_shift. Merge! instruct encodeP_not_null_base_null(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodeP src)); predicate(Universe::narrow_oop_shift() != 0 && Universe::narrow_oop_base() ==0); format %{ "SRDI $dst, $src, #3 \t// encodeP, $src != NULL" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src$$Register, Universe::narrow_oop_shift() & 0x3f); %} ins_pipe(pipe_class_default); %} // Compressed OOPs with narrow_oop_shift == 0. // shift == 0, base == 0 instruct encodeP_narrow_oop_shift_0(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodeP src)); predicate(Universe::narrow_oop_shift() == 0); format %{ "MR $dst, $src \t// Ptr->Narrow" %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Decode nodes. // Shift node for expand. instruct decodeN_shift(iRegPdst dst, iRegPsrc src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (DecodeN src)); predicate(false); format %{ "SLDI $dst, $src, #3 \t// DecodeN" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ sldi($dst$$Register, $src$$Register, Universe::narrow_oop_shift()); %} ins_pipe(pipe_class_default); %} // Add node for expand. instruct decodeN_add(iRegPdst dst, iRegPdst src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (DecodeN src)); predicate(false); format %{ "ADD $dst, $src, R30 \t// DecodeN, add oop base" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src$$Register, R30); %} ins_pipe(pipe_class_default); %} // conditianal add base for expand instruct cond_add_base(iRegPdst dst, flagsReg crx, iRegPsrc src1) %{ // The match rule is needed to make it a 'MachTypeNode'! // NOTICE that the rule is nonsense - we just have to make sure that: // - _matrule->_rChild->_opType == "DecodeN" (see InstructForm::captures_bottom_type() in formssel.cpp) // - we have to match 'crx' to avoid an "illegal USE of non-input: flagsReg crx" error in ADLC. match(Set dst (DecodeN (Binary crx src1))); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "BEQ $crx, done\n\t" "ADD $dst, $src1, R30 \t// DecodeN: add oop base if $src1 != NULL\n" "done:" %} size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling()) */? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); Label done; __ beq($crx$$CondRegister, done); __ add($dst$$Register, $src1$$Register, R30); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} instruct cond_set_0_ptr(iRegPdst dst, flagsReg crx, iRegPsrc src1) %{ // The match rule is needed to make it a 'MachTypeNode'! // NOTICE that the rule is nonsense - we just have to make sure that: // - _matrule->_rChild->_opType == "DecodeN" (see InstructForm::captures_bottom_type() in formssel.cpp) // - we have to match 'crx' to avoid an "illegal USE of non-input: flagsReg crx" error in ADLC. match(Set dst (DecodeN (Binary crx src1))); predicate(false); format %{ "CMOVE $dst, $crx eq, 0, $src1 \t// decode: preserve 0" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description exists. // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ isel_0($dst$$Register, $crx$$CondRegister, Assembler::equal, $src1$$Register); %} ins_pipe(pipe_class_default); %} // shift != 0, base != 0 instruct decodeN_Ex(iRegPdst dst, iRegNsrc src, flagsReg crx) %{ match(Set dst (DecodeN src)); predicate((n->bottom_type()->is_oopptr()->ptr() != TypePtr::NotNull && n->bottom_type()->is_oopptr()->ptr() != TypePtr::Constant) && Universe::narrow_oop_shift() != 0 && Universe::narrow_oop_base() != 0); effect(TEMP crx); format %{ "DecodeN $dst, $src \t// Kills $crx, postalloc expanded" %} postalloc_expand( postalloc_expand_decode_oop(dst, src, crx) ); %} // shift != 0, base == 0 instruct decodeN_nullBase(iRegPdst dst, iRegNsrc src) %{ match(Set dst (DecodeN src)); predicate(Universe::narrow_oop_shift() != 0 && Universe::narrow_oop_base() == 0); format %{ "SLDI $dst, $src, #3 \t// DecodeN (zerobased)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ sldi($dst$$Register, $src$$Register, Universe::narrow_oop_shift()); %} ins_pipe(pipe_class_default); %} // src != 0, shift != 0, base != 0 instruct decodeN_notNull_addBase_Ex(iRegPdst dst, iRegNsrc src) %{ match(Set dst (DecodeN src)); predicate((n->bottom_type()->is_oopptr()->ptr() == TypePtr::NotNull || n->bottom_type()->is_oopptr()->ptr() == TypePtr::Constant) && Universe::narrow_oop_shift() != 0 && Universe::narrow_oop_base() != 0); format %{ "DecodeN $dst, $src \t// $src != NULL, postalloc expanded" %} postalloc_expand( postalloc_expand_decode_oop_not_null(dst, src)); %} // Compressed OOPs with narrow_oop_shift == 0. instruct decodeN_unscaled(iRegPdst dst, iRegNsrc src) %{ match(Set dst (DecodeN src)); predicate(Universe::narrow_oop_shift() == 0); ins_cost(DEFAULT_COST); format %{ "MR $dst, $src \t// DecodeN (unscaled)" %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Convert compressed oop into int for vectors alignment masking. instruct decodeN2I_unscaled(iRegIdst dst, iRegNsrc src) %{ match(Set dst (ConvL2I (CastP2X (DecodeN src)))); predicate(Universe::narrow_oop_shift() == 0); ins_cost(DEFAULT_COST); format %{ "MR $dst, $src \t// (int)DecodeN (unscaled)" %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Convert klass pointer into compressed form. // Nodes for postalloc expand. // Shift node for expand. instruct encodePKlass_shift(iRegNdst dst, iRegNsrc src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodePKlass src)); predicate(false); format %{ "SRDI $dst, $src, 3 \t// encode" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src$$Register, Universe::narrow_klass_shift()); %} ins_pipe(pipe_class_default); %} // Add node for expand. instruct encodePKlass_sub_base(iRegPdst dst, iRegLsrc base, iRegPdst src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (EncodePKlass (Binary base src))); predicate(false); format %{ "SUB $dst, $base, $src \t// encode" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, $base$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // base != 0 // 32G aligned narrow oop base. instruct encodePKlass_32GAligned(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodePKlass src)); predicate(false /* TODO: PPC port Universe::narrow_klass_base_disjoint()*/); format %{ "EXTRDI $dst, $src, #32, #3 \t// encode with 32G aligned base" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ rldicl($dst$$Register, $src$$Register, 64-Universe::narrow_klass_shift(), 32); %} ins_pipe(pipe_class_default); %} // shift != 0, base != 0 instruct encodePKlass_not_null_Ex(iRegNdst dst, iRegLsrc base, iRegPsrc src) %{ match(Set dst (EncodePKlass (Binary base src))); predicate(false); format %{ "EncodePKlass $dst, $src\t// $src != Null, postalloc expanded" %} postalloc_expand %{ encodePKlass_sub_baseNode *n1 = new (C) encodePKlass_sub_baseNode(); n1->add_req(n_region, n_base, n_src); n1->_opnds[0] = op_dst; n1->_opnds[1] = op_base; n1->_opnds[2] = op_src; n1->_bottom_type = _bottom_type; encodePKlass_shiftNode *n2 = new (C) encodePKlass_shiftNode(); n2->add_req(n_region, n1); n2->_opnds[0] = op_dst; n2->_opnds[1] = op_dst; n2->_bottom_type = _bottom_type; ra_->set_pair(n1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n1); nodes->push(n2); %} %} // shift != 0, base != 0 instruct encodePKlass_not_null_ExEx(iRegNdst dst, iRegPsrc src) %{ match(Set dst (EncodePKlass src)); //predicate(Universe::narrow_klass_shift() != 0 && // true /* TODO: PPC port Universe::narrow_klass_base_overlaps()*/); //format %{ "EncodePKlass $dst, $src\t// $src != Null, postalloc expanded" %} ins_cost(DEFAULT_COST*2); // Don't count constant. expand %{ immL baseImm %{ (jlong)(intptr_t)Universe::narrow_klass_base() %} iRegLdst base; loadConL_Ex(base, baseImm); encodePKlass_not_null_Ex(dst, base, src); %} %} // Decode nodes. // Shift node for expand. instruct decodeNKlass_shift(iRegPdst dst, iRegPsrc src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (DecodeNKlass src)); predicate(false); format %{ "SLDI $dst, $src, #3 \t// DecodeNKlass" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ sldi($dst$$Register, $src$$Register, Universe::narrow_klass_shift()); %} ins_pipe(pipe_class_default); %} // Add node for expand. instruct decodeNKlass_add_base(iRegPdst dst, iRegLsrc base, iRegPdst src) %{ // The match rule is needed to make it a 'MachTypeNode'! match(Set dst (DecodeNKlass (Binary base src))); predicate(false); format %{ "ADD $dst, $base, $src \t// DecodeNKlass, add klass base" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $base$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // src != 0, shift != 0, base != 0 instruct decodeNKlass_notNull_addBase_Ex(iRegPdst dst, iRegLsrc base, iRegNsrc src) %{ match(Set dst (DecodeNKlass (Binary base src))); //effect(kill src); // We need a register for the immediate result after shifting. predicate(false); format %{ "DecodeNKlass $dst = $base + ($src << 3) \t// $src != NULL, postalloc expanded" %} postalloc_expand %{ decodeNKlass_add_baseNode *n1 = new (C) decodeNKlass_add_baseNode(); n1->add_req(n_region, n_base, n_src); n1->_opnds[0] = op_dst; n1->_opnds[1] = op_base; n1->_opnds[2] = op_src; n1->_bottom_type = _bottom_type; decodeNKlass_shiftNode *n2 = new (C) decodeNKlass_shiftNode(); n2->add_req(n_region, n1); n2->_opnds[0] = op_dst; n2->_opnds[1] = op_dst; n2->_bottom_type = _bottom_type; ra_->set_pair(n1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); ra_->set_pair(n2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); nodes->push(n1); nodes->push(n2); %} %} // src != 0, shift != 0, base != 0 instruct decodeNKlass_notNull_addBase_ExEx(iRegPdst dst, iRegNsrc src) %{ match(Set dst (DecodeNKlass src)); // predicate(Universe::narrow_klass_shift() != 0 && // Universe::narrow_klass_base() != 0); //format %{ "DecodeNKlass $dst, $src \t// $src != NULL, expanded" %} ins_cost(DEFAULT_COST*2); // Don't count constant. expand %{ // We add first, then we shift. Like this, we can get along with one register less. // But we have to load the base pre-shifted. immL baseImm %{ (jlong)((intptr_t)Universe::narrow_klass_base() >> Universe::narrow_klass_shift()) %} iRegLdst base; loadConL_Ex(base, baseImm); decodeNKlass_notNull_addBase_Ex(dst, base, src); %} %} //----------MemBar Instructions----------------------------------------------- // Memory barrier flavors instruct membar_acquire() %{ match(LoadFence); ins_cost(4*MEMORY_REF_COST); format %{ "MEMBAR-acquire" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwsync); __ acquire(); %} ins_pipe(pipe_class_default); %} instruct unnecessary_membar_acquire() %{ match(MemBarAcquire); ins_cost(0); format %{ " -- \t// redundant MEMBAR-acquire - empty" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct membar_acquire_lock() %{ match(MemBarAcquireLock); ins_cost(0); format %{ " -- \t// redundant MEMBAR-acquire - empty (acquire as part of CAS in prior FastLock)" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct membar_release() %{ match(MemBarRelease); match(StoreFence); ins_cost(4*MEMORY_REF_COST); format %{ "MEMBAR-release" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwsync); __ release(); %} ins_pipe(pipe_class_default); %} instruct membar_storestore() %{ match(MemBarStoreStore); ins_cost(4*MEMORY_REF_COST); format %{ "MEMBAR-store-store" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lwsync); __ membar(Assembler::StoreStore); %} ins_pipe(pipe_class_default); %} instruct membar_release_lock() %{ match(MemBarReleaseLock); ins_cost(0); format %{ " -- \t// redundant MEMBAR-release - empty (release in FastUnlock)" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct membar_volatile() %{ match(MemBarVolatile); ins_cost(4*MEMORY_REF_COST); format %{ "MEMBAR-volatile" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sync); __ fence(); %} ins_pipe(pipe_class_default); %} // This optimization is wrong on PPC. The following pattern is not supported: // MemBarVolatile // ^ ^ // | | // CtrlProj MemProj // ^ ^ // | | // | Load // | // MemBarVolatile // // The first MemBarVolatile could get optimized out! According to // Vladimir, this pattern can not occur on Oracle platforms. // However, it does occur on PPC64 (because of membars in // inline_unsafe_load_store). // // Add this node again if we found a good solution for inline_unsafe_load_store(). // Don't forget to look at the implementation of post_store_load_barrier again, // we did other fixes in that method. //instruct unnecessary_membar_volatile() %{ // match(MemBarVolatile); // predicate(Matcher::post_store_load_barrier(n)); // ins_cost(0); // // format %{ " -- \t// redundant MEMBAR-volatile - empty" %} // size(0); // ins_encode( /*empty*/ ); // ins_pipe(pipe_class_default); //%} instruct membar_CPUOrder() %{ match(MemBarCPUOrder); ins_cost(0); format %{ " -- \t// MEMBAR-CPUOrder - empty: PPC64 processors are self-consistent." %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} //----------Conditional Move--------------------------------------------------- // Cmove using isel. instruct cmovI_reg_isel(cmpOp cmp, flagsReg crx, iRegIdst dst, iRegIsrc src) %{ match(Set dst (CMoveI (Binary cmp crx) (Binary dst src))); predicate(VM_Version::has_isel()); ins_cost(DEFAULT_COST); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description // exists. Anyways, the scheduler should be off on Power7. // TODO: PPC port $archOpcode(ppc64Opcode_compound); int cc = $cmp$$cmpcode; __ isel($dst$$Register, $crx$$CondRegister, (Assembler::Condition)(cc & 3), /*invert*/((~cc) & 8), $src$$Register); %} ins_pipe(pipe_class_default); %} instruct cmovI_reg(cmpOp cmp, flagsReg crx, iRegIdst dst, iRegIsrc src) %{ match(Set dst (CMoveI (Binary cmp crx) (Binary dst src))); predicate(!VM_Version::has_isel()); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_reg(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} instruct cmovI_imm(cmpOp cmp, flagsReg crx, iRegIdst dst, immI16 src) %{ match(Set dst (CMoveI (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_imm(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} // Cmove using isel. instruct cmovL_reg_isel(cmpOp cmp, flagsReg crx, iRegLdst dst, iRegLsrc src) %{ match(Set dst (CMoveL (Binary cmp crx) (Binary dst src))); predicate(VM_Version::has_isel()); ins_cost(DEFAULT_COST); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description // exists. Anyways, the scheduler should be off on Power7. // TODO: PPC port $archOpcode(ppc64Opcode_compound); int cc = $cmp$$cmpcode; __ isel($dst$$Register, $crx$$CondRegister, (Assembler::Condition)(cc & 3), /*invert*/((~cc) & 8), $src$$Register); %} ins_pipe(pipe_class_default); %} instruct cmovL_reg(cmpOp cmp, flagsReg crx, iRegLdst dst, iRegLsrc src) %{ match(Set dst (CMoveL (Binary cmp crx) (Binary dst src))); predicate(!VM_Version::has_isel()); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_reg(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} instruct cmovL_imm(cmpOp cmp, flagsReg crx, iRegLdst dst, immL16 src) %{ match(Set dst (CMoveL (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_imm(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} // Cmove using isel. instruct cmovN_reg_isel(cmpOp cmp, flagsReg crx, iRegNdst dst, iRegNsrc src) %{ match(Set dst (CMoveN (Binary cmp crx) (Binary dst src))); predicate(VM_Version::has_isel()); ins_cost(DEFAULT_COST); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description // exists. Anyways, the scheduler should be off on Power7. // TODO: PPC port $archOpcode(ppc64Opcode_compound); int cc = $cmp$$cmpcode; __ isel($dst$$Register, $crx$$CondRegister, (Assembler::Condition)(cc & 3), /*invert*/((~cc) & 8), $src$$Register); %} ins_pipe(pipe_class_default); %} // Conditional move for RegN. Only cmov(reg, reg). instruct cmovN_reg(cmpOp cmp, flagsReg crx, iRegNdst dst, iRegNsrc src) %{ match(Set dst (CMoveN (Binary cmp crx) (Binary dst src))); predicate(!VM_Version::has_isel()); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_reg(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} instruct cmovN_imm(cmpOp cmp, flagsReg crx, iRegNdst dst, immN_0 src) %{ match(Set dst (CMoveN (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_imm(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} // Cmove using isel. instruct cmovP_reg_isel(cmpOp cmp, flagsReg crx, iRegPdst dst, iRegPsrc src) %{ match(Set dst (CMoveP (Binary cmp crx) (Binary dst src))); predicate(VM_Version::has_isel()); ins_cost(DEFAULT_COST); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} size(4); ins_encode %{ // This is a Power7 instruction for which no machine description // exists. Anyways, the scheduler should be off on Power7. // TODO: PPC port $archOpcode(ppc64Opcode_compound); int cc = $cmp$$cmpcode; __ isel($dst$$Register, $crx$$CondRegister, (Assembler::Condition)(cc & 3), /*invert*/((~cc) & 8), $src$$Register); %} ins_pipe(pipe_class_default); %} instruct cmovP_reg(cmpOp cmp, flagsReg crx, iRegPdst dst, iRegP_N2P src) %{ match(Set dst (CMoveP (Binary cmp crx) (Binary dst src))); predicate(!VM_Version::has_isel()); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_reg(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} instruct cmovP_imm(cmpOp cmp, flagsReg crx, iRegPdst dst, immP_0 src) %{ match(Set dst (CMoveP (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_imm(dst, crx, src, cmp) ); ins_pipe(pipe_class_default); %} instruct cmovF_reg(cmpOp cmp, flagsReg crx, regF dst, regF src) %{ match(Set dst (CMoveF (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVEF $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmovef); Label done; assert((Assembler::bcondCRbiIs1 & ~Assembler::bcondCRbiIs0) == 8, "check encoding"); // Branch if not (cmp crx). __ bc(cc_to_inverse_boint($cmp$$cmpcode), cc_to_biint($cmp$$cmpcode, $crx$$reg), done); __ fmr($dst$$FloatRegister, $src$$FloatRegister); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} instruct cmovD_reg(cmpOp cmp, flagsReg crx, regD dst, regD src) %{ match(Set dst (CMoveD (Binary cmp crx) (Binary dst src))); ins_cost(DEFAULT_COST+BRANCH_COST); ins_variable_size_depending_on_alignment(true); format %{ "CMOVEF $cmp, $crx, $dst, $src\n\t" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmovef); Label done; assert((Assembler::bcondCRbiIs1 & ~Assembler::bcondCRbiIs0) == 8, "check encoding"); // Branch if not (cmp crx). __ bc(cc_to_inverse_boint($cmp$$cmpcode), cc_to_biint($cmp$$cmpcode, $crx$$reg), done); __ fmr($dst$$FloatRegister, $src$$FloatRegister); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} //----------Conditional_store-------------------------------------------------- // Conditional-store of the updated heap-top. // Used during allocation of the shared heap. // Sets flags (EQ) on success. Implemented with a CASA on Sparc. // As compareAndSwapL, but return flag register instead of boolean value in // int register. // Used by sun/misc/AtomicLongCSImpl.java. // Mem_ptr must be a memory operand, else this node does not get // Flag_needs_anti_dependence_check set by adlc. If this is not set this node // can be rematerialized which leads to errors. instruct storeLConditional_regP_regL_regL(flagsReg crx, indirect mem_ptr, iRegLsrc oldVal, iRegLsrc newVal) %{ match(Set crx (StoreLConditional mem_ptr (Binary oldVal newVal))); format %{ "CMPXCHGD if ($crx = ($oldVal == *$mem_ptr)) *mem_ptr = $newVal; as bool" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ cmpxchgd($crx$$CondRegister, R0, $oldVal$$Register, $newVal$$Register, $mem_ptr$$Register, MacroAssembler::MemBarNone, MacroAssembler::cmpxchgx_hint_atomic_update(), noreg, NULL, true); %} ins_pipe(pipe_class_default); %} // As compareAndSwapP, but return flag register instead of boolean value in // int register. // This instruction is matched if UseTLAB is off. // Mem_ptr must be a memory operand, else this node does not get // Flag_needs_anti_dependence_check set by adlc. If this is not set this node // can be rematerialized which leads to errors. instruct storePConditional_regP_regP_regP(flagsReg crx, indirect mem_ptr, iRegPsrc oldVal, iRegPsrc newVal) %{ match(Set crx (StorePConditional mem_ptr (Binary oldVal newVal))); format %{ "CMPXCHGD if ($crx = ($oldVal == *$mem_ptr)) *mem_ptr = $newVal; as bool" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ cmpxchgd($crx$$CondRegister, R0, $oldVal$$Register, $newVal$$Register, $mem_ptr$$Register, MacroAssembler::MemBarNone, MacroAssembler::cmpxchgx_hint_atomic_update(), noreg, NULL, true); %} ins_pipe(pipe_class_default); %} // Implement LoadPLocked. Must be ordered against changes of the memory location // by storePConditional. // Don't know whether this is ever used. instruct loadPLocked(iRegPdst dst, memory mem) %{ match(Set dst (LoadPLocked mem)); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $mem \t// loadPLocked\n\t" "TWI $dst\n\t" "ISYNC" %} size(12); ins_encode( enc_ld_ac(dst, mem) ); ins_pipe(pipe_class_memory); %} //----------Compare-And-Swap--------------------------------------------------- // CompareAndSwap{P,I,L} have more than one output, therefore "CmpI // (CompareAndSwap ...)" or "If (CmpI (CompareAndSwap ..))" cannot be // matched. instruct compareAndSwapI_regP_regI_regI(iRegIdst res, iRegPdst mem_ptr, iRegIsrc src1, iRegIsrc src2) %{ match(Set res (CompareAndSwapI mem_ptr (Binary src1 src2))); format %{ "CMPXCHGW $res, $mem_ptr, $src1, $src2; as bool" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); // CmpxchgX sets CCR0 to cmpX(src1, src2) and Rres to 'true'/'false'. __ cmpxchgw(CCR0, R0, $src1$$Register, $src2$$Register, $mem_ptr$$Register, MacroAssembler::MemBarFenceAfter, MacroAssembler::cmpxchgx_hint_atomic_update(), $res$$Register, true); %} ins_pipe(pipe_class_default); %} instruct compareAndSwapN_regP_regN_regN(iRegIdst res, iRegPdst mem_ptr, iRegNsrc src1, iRegNsrc src2) %{ match(Set res (CompareAndSwapN mem_ptr (Binary src1 src2))); format %{ "CMPXCHGW $res, $mem_ptr, $src1, $src2; as bool" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); // CmpxchgX sets CCR0 to cmpX(src1, src2) and Rres to 'true'/'false'. __ cmpxchgw(CCR0, R0, $src1$$Register, $src2$$Register, $mem_ptr$$Register, MacroAssembler::MemBarFenceAfter, MacroAssembler::cmpxchgx_hint_atomic_update(), $res$$Register, true); %} ins_pipe(pipe_class_default); %} instruct compareAndSwapL_regP_regL_regL(iRegIdst res, iRegPdst mem_ptr, iRegLsrc src1, iRegLsrc src2) %{ match(Set res (CompareAndSwapL mem_ptr (Binary src1 src2))); format %{ "CMPXCHGD $res, $mem_ptr, $src1, $src2; as bool" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); // CmpxchgX sets CCR0 to cmpX(src1, src2) and Rres to 'true'/'false'. __ cmpxchgd(CCR0, R0, $src1$$Register, $src2$$Register, $mem_ptr$$Register, MacroAssembler::MemBarFenceAfter, MacroAssembler::cmpxchgx_hint_atomic_update(), $res$$Register, NULL, true); %} ins_pipe(pipe_class_default); %} instruct compareAndSwapP_regP_regP_regP(iRegIdst res, iRegPdst mem_ptr, iRegPsrc src1, iRegPsrc src2) %{ match(Set res (CompareAndSwapP mem_ptr (Binary src1 src2))); format %{ "CMPXCHGD $res, $mem_ptr, $src1, $src2; as bool; ptr" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); // CmpxchgX sets CCR0 to cmpX(src1, src2) and Rres to 'true'/'false'. __ cmpxchgd(CCR0, R0, $src1$$Register, $src2$$Register, $mem_ptr$$Register, MacroAssembler::MemBarFenceAfter, MacroAssembler::cmpxchgx_hint_atomic_update(), $res$$Register, NULL, true); %} ins_pipe(pipe_class_default); %} instruct getAndAddI(iRegIdst res, iRegPdst mem_ptr, iRegIsrc src) %{ match(Set res (GetAndAddI mem_ptr src)); format %{ "GetAndAddI $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndAddI(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} instruct getAndAddL(iRegLdst res, iRegPdst mem_ptr, iRegLsrc src) %{ match(Set res (GetAndAddL mem_ptr src)); format %{ "GetAndAddL $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndAddL(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} instruct getAndSetI(iRegIdst res, iRegPdst mem_ptr, iRegIsrc src) %{ match(Set res (GetAndSetI mem_ptr src)); format %{ "GetAndSetI $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndSetI(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} instruct getAndSetL(iRegLdst res, iRegPdst mem_ptr, iRegLsrc src) %{ match(Set res (GetAndSetL mem_ptr src)); format %{ "GetAndSetL $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndSetL(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} instruct getAndSetP(iRegPdst res, iRegPdst mem_ptr, iRegPsrc src) %{ match(Set res (GetAndSetP mem_ptr src)); format %{ "GetAndSetP $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndSetL(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} instruct getAndSetN(iRegNdst res, iRegPdst mem_ptr, iRegNsrc src) %{ match(Set res (GetAndSetN mem_ptr src)); format %{ "GetAndSetN $res, $mem_ptr, $src" %} // Variable size: instruction count smaller if regs are disjoint. ins_encode( enc_GetAndSetI(res, mem_ptr, src) ); ins_pipe(pipe_class_default); %} //----------Arithmetic Instructions-------------------------------------------- // Addition Instructions // Register Addition instruct addI_reg_reg(iRegIdst dst, iRegIsrc_iRegL2Isrc src1, iRegIsrc_iRegL2Isrc src2) %{ match(Set dst (AddI src1 src2)); format %{ "ADD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Expand does not work with above instruct. (??) instruct addI_reg_reg_2(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule effect(DEF dst, USE src1, USE src2); format %{ "ADD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct tree_addI_addI_addI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2, iRegIsrc src3, iRegIsrc src4) %{ match(Set dst (AddI (AddI (AddI src1 src2) src3) src4)); ins_cost(DEFAULT_COST*3); expand %{ // FIXME: we should do this in the ideal world. iRegIdst tmp1; iRegIdst tmp2; addI_reg_reg(tmp1, src1, src2); addI_reg_reg_2(tmp2, src3, src4); // Adlc complains about addI_reg_reg. addI_reg_reg(dst, tmp1, tmp2); %} %} // Immediate Addition instruct addI_reg_imm16(iRegIdst dst, iRegIsrc src1, immI16 src2) %{ match(Set dst (AddI src1 src2)); format %{ "ADDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ addi($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Immediate Addition with 16-bit shifted operand instruct addI_reg_immhi16(iRegIdst dst, iRegIsrc src1, immIhi16 src2) %{ match(Set dst (AddI src1 src2)); format %{ "ADDIS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ addis($dst$$Register, $src1$$Register, ($src2$$constant)>>16); %} ins_pipe(pipe_class_default); %} // Long Addition instruct addL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (AddL src1 src2)); format %{ "ADD $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Expand does not work with above instruct. (??) instruct addL_reg_reg_2(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ // no match-rule effect(DEF dst, USE src1, USE src2); format %{ "ADD $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct tree_addL_addL_addL_reg_reg_Ex(iRegLdst dst, iRegLsrc src1, iRegLsrc src2, iRegLsrc src3, iRegLsrc src4) %{ match(Set dst (AddL (AddL (AddL src1 src2) src3) src4)); ins_cost(DEFAULT_COST*3); expand %{ // FIXME: we should do this in the ideal world. iRegLdst tmp1; iRegLdst tmp2; addL_reg_reg(tmp1, src1, src2); addL_reg_reg_2(tmp2, src3, src4); // Adlc complains about orI_reg_reg. addL_reg_reg(dst, tmp1, tmp2); %} %} // AddL + ConvL2I. instruct addI_regL_regL(iRegIdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (ConvL2I (AddL src1 src2))); format %{ "ADD $dst, $src1, $src2 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // No constant pool entries required. instruct addL_reg_imm16(iRegLdst dst, iRegLsrc src1, immL16 src2) %{ match(Set dst (AddL src1 src2)); format %{ "ADDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ addi($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Long Immediate Addition with 16-bit shifted operand. // No constant pool entries required. instruct addL_reg_immhi16(iRegLdst dst, iRegLsrc src1, immL32hi16 src2) %{ match(Set dst (AddL src1 src2)); format %{ "ADDIS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ addis($dst$$Register, $src1$$Register, ($src2$$constant)>>16); %} ins_pipe(pipe_class_default); %} // Pointer Register Addition instruct addP_reg_reg(iRegPdst dst, iRegP_N2P src1, iRegLsrc src2) %{ match(Set dst (AddP src1 src2)); format %{ "ADD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_add); __ add($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Pointer Immediate Addition // No constant pool entries required. instruct addP_reg_imm16(iRegPdst dst, iRegP_N2P src1, immL16 src2) %{ match(Set dst (AddP src1 src2)); format %{ "ADDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ addi($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Pointer Immediate Addition with 16-bit shifted operand. // No constant pool entries required. instruct addP_reg_immhi16(iRegPdst dst, iRegP_N2P src1, immL32hi16 src2) %{ match(Set dst (AddP src1 src2)); format %{ "ADDIS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addis); __ addis($dst$$Register, $src1$$Register, ($src2$$constant)>>16); %} ins_pipe(pipe_class_default); %} //--------------------- // Subtraction Instructions // Register Subtraction instruct subI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (SubI src1 src2)); format %{ "SUBF $dst, $src2, $src1" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, $src2$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Subtraction // The compiler converts "x-c0" into "x+ -c0" (see SubINode::Ideal), // so this rule seems to be unused. instruct subI_reg_imm16(iRegIdst dst, iRegIsrc src1, immI16 src2) %{ match(Set dst (SubI src1 src2)); format %{ "SUBI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ addi($dst$$Register, $src1$$Register, ($src2$$constant) * (-1)); %} ins_pipe(pipe_class_default); %} // SubI from constant (using subfic). instruct subI_imm16_reg(iRegIdst dst, immI16 src1, iRegIsrc src2) %{ match(Set dst (SubI src1 src2)); format %{ "SUBI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subfic); __ subfic($dst$$Register, $src2$$Register, $src1$$constant); %} ins_pipe(pipe_class_default); %} // Turn the sign-bit of an integer into a 32-bit mask, 0x0...0 for // positive integers and 0xF...F for negative ones. instruct signmask32I_regI(iRegIdst dst, iRegIsrc src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "SRAWI $dst, $src, #31" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srawi); __ srawi($dst$$Register, $src$$Register, 0x1f); %} ins_pipe(pipe_class_default); %} instruct absI_reg_Ex(iRegIdst dst, iRegIsrc src) %{ match(Set dst (AbsI src)); ins_cost(DEFAULT_COST*3); expand %{ iRegIdst tmp1; iRegIdst tmp2; signmask32I_regI(tmp1, src); xorI_reg_reg(tmp2, tmp1, src); subI_reg_reg(dst, tmp2, tmp1); %} %} instruct negI_regI(iRegIdst dst, immI_0 zero, iRegIsrc src2) %{ match(Set dst (SubI zero src2)); format %{ "NEG $dst, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_neg); __ neg($dst$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Long subtraction instruct subL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (SubL src1 src2)); format %{ "SUBF $dst, $src2, $src1 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, $src2$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // SubL + convL2I. instruct subI_regL_regL(iRegIdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (ConvL2I (SubL src1 src2))); format %{ "SUBF $dst, $src2, $src1 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, $src2$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Subtraction // The compiler converts "x-c0" into "x+ -c0" (see SubLNode::Ideal), // so this rule seems to be unused. // No constant pool entries required. instruct subL_reg_imm16(iRegLdst dst, iRegLsrc src1, immL16 src2) %{ match(Set dst (SubL src1 src2)); format %{ "SUBI $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ addi($dst$$Register, $src1$$Register, ($src2$$constant) * (-1)); %} ins_pipe(pipe_class_default); %} // Turn the sign-bit of a long into a 64-bit mask, 0x0...0 for // positive longs and 0xF...F for negative ones. instruct signmask64I_regL(iRegIdst dst, iRegLsrc src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "SRADI $dst, $src, #63" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sradi); __ sradi($dst$$Register, $src$$Register, 0x3f); %} ins_pipe(pipe_class_default); %} // Turn the sign-bit of a long into a 64-bit mask, 0x0...0 for // positive longs and 0xF...F for negative ones. instruct signmask64L_regL(iRegLdst dst, iRegLsrc src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "SRADI $dst, $src, #63" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sradi); __ sradi($dst$$Register, $src$$Register, 0x3f); %} ins_pipe(pipe_class_default); %} // Long negation instruct negL_reg_reg(iRegLdst dst, immL_0 zero, iRegLsrc src2) %{ match(Set dst (SubL zero src2)); format %{ "NEG $dst, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_neg); __ neg($dst$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // NegL + ConvL2I. instruct negI_con0_regL(iRegIdst dst, immL_0 zero, iRegLsrc src2) %{ match(Set dst (ConvL2I (SubL zero src2))); format %{ "NEG $dst, $src2 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_neg); __ neg($dst$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Multiplication Instructions // Integer Multiplication // Register Multiplication instruct mulI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (MulI src1 src2)); ins_cost(DEFAULT_COST); format %{ "MULLW $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mullw); __ mullw($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Multiplication instruct mulI_reg_imm16(iRegIdst dst, iRegIsrc src1, immI16 src2) %{ match(Set dst (MulI src1 src2)); ins_cost(DEFAULT_COST); format %{ "MULLI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mulli); __ mulli($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} instruct mulL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (MulL src1 src2)); ins_cost(DEFAULT_COST); format %{ "MULLD $dst $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mulld); __ mulld($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Multiply high for optimized long division by constant. instruct mulHighL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (MulHiL src1 src2)); ins_cost(DEFAULT_COST); format %{ "MULHD $dst $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mulhd); __ mulhd($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Multiplication instruct mulL_reg_imm16(iRegLdst dst, iRegLsrc src1, immL16 src2) %{ match(Set dst (MulL src1 src2)); ins_cost(DEFAULT_COST); format %{ "MULLI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mulli); __ mulli($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Integer Division with Immediate -1: Negate. instruct divI_reg_immIvalueMinus1(iRegIdst dst, iRegIsrc src1, immI_minus1 src2) %{ match(Set dst (DivI src1 src2)); ins_cost(DEFAULT_COST); format %{ "NEG $dst, $src1 \t// /-1" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_neg); __ neg($dst$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // Integer Division with constant, but not -1. // We should be able to improve this by checking the type of src2. // It might well be that src2 is known to be positive. instruct divI_reg_regnotMinus1(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (DivI src1 src2)); predicate(n->in(2)->find_int_con(-1) != -1); // src2 is a constant, but not -1 ins_cost(2*DEFAULT_COST); format %{ "DIVW $dst, $src1, $src2 \t// /not-1" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_divw); __ divw($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct cmovI_bne_negI_reg(iRegIdst dst, flagsReg crx, iRegIsrc src1) %{ effect(USE_DEF dst, USE src1, USE crx); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $dst, neg($src1), $crx" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); Label done; __ bne($crx$$CondRegister, done); __ neg($dst$$Register, $src1$$Register); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} // Integer Division with Registers not containing constants. instruct divI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (DivI src1 src2)); ins_cost(10*DEFAULT_COST); expand %{ immI16 imm %{ (int)-1 %} flagsReg tmp1; cmpI_reg_imm16(tmp1, src2, imm); // check src2 == -1 divI_reg_regnotMinus1(dst, src1, src2); // dst = src1 / src2 cmovI_bne_negI_reg(dst, tmp1, src1); // cmove dst = neg(src1) if src2 == -1 %} %} // Long Division with Immediate -1: Negate. instruct divL_reg_immLvalueMinus1(iRegLdst dst, iRegLsrc src1, immL_minus1 src2) %{ match(Set dst (DivL src1 src2)); ins_cost(DEFAULT_COST); format %{ "NEG $dst, $src1 \t// /-1, long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_neg); __ neg($dst$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // Long Division with constant, but not -1. instruct divL_reg_regnotMinus1(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (DivL src1 src2)); predicate(n->in(2)->find_long_con(-1L) != -1L); // Src2 is a constant, but not -1. ins_cost(2*DEFAULT_COST); format %{ "DIVD $dst, $src1, $src2 \t// /not-1, long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_divd); __ divd($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct cmovL_bne_negL_reg(iRegLdst dst, flagsReg crx, iRegLsrc src1) %{ effect(USE_DEF dst, USE src1, USE crx); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "CMOVE $dst, neg($src1), $crx" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT (InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); Label done; __ bne($crx$$CondRegister, done); __ neg($dst$$Register, $src1$$Register); // TODO PPC port __ endgroup_if_needed(_size == 12); __ bind(done); %} ins_pipe(pipe_class_default); %} // Long Division with Registers not containing constants. instruct divL_reg_reg_Ex(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (DivL src1 src2)); ins_cost(10*DEFAULT_COST); expand %{ immL16 imm %{ (int)-1 %} flagsReg tmp1; cmpL_reg_imm16(tmp1, src2, imm); // check src2 == -1 divL_reg_regnotMinus1(dst, src1, src2); // dst = src1 / src2 cmovL_bne_negL_reg(dst, tmp1, src1); // cmove dst = neg(src1) if src2 == -1 %} %} // Integer Remainder with registers. instruct modI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (ModI src1 src2)); ins_cost(10*DEFAULT_COST); expand %{ immI16 imm %{ (int)-1 %} flagsReg tmp1; iRegIdst tmp2; iRegIdst tmp3; cmpI_reg_imm16(tmp1, src2, imm); // check src2 == -1 divI_reg_regnotMinus1(tmp2, src1, src2); // tmp2 = src1 / src2 cmovI_bne_negI_reg(tmp2, tmp1, src1); // cmove tmp2 = neg(src1) if src2 == -1 mulI_reg_reg(tmp3, src2, tmp2); // tmp3 = src2 * tmp2 subI_reg_reg(dst, src1, tmp3); // dst = src1 - tmp3 %} %} // Long Remainder with registers instruct modL_reg_reg_Ex(iRegLdst dst, iRegLsrc src1, iRegLsrc src2, flagsRegCR0 cr0) %{ match(Set dst (ModL src1 src2)); ins_cost(10*DEFAULT_COST); expand %{ immL16 imm %{ (int)-1 %} flagsReg tmp1; iRegLdst tmp2; iRegLdst tmp3; cmpL_reg_imm16(tmp1, src2, imm); // check src2 == -1 divL_reg_regnotMinus1(tmp2, src1, src2); // tmp2 = src1 / src2 cmovL_bne_negL_reg(tmp2, tmp1, src1); // cmove tmp2 = neg(src1) if src2 == -1 mulL_reg_reg(tmp3, src2, tmp2); // tmp3 = src2 * tmp2 subL_reg_reg(dst, src1, tmp3); // dst = src1 - tmp3 %} %} // Integer Shift Instructions // Register Shift Left // Clear all but the lowest #mask bits. // Used to normalize shift amounts in registers. instruct maskI_reg_imm(iRegIdst dst, iRegIsrc src, uimmI6 mask) %{ // no match-rule, false predicate effect(DEF dst, USE src, USE mask); predicate(false); format %{ "MASK $dst, $src, $mask \t// clear $mask upper bits" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src$$Register, $mask$$constant); %} ins_pipe(pipe_class_default); %} instruct lShiftI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SLW $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_slw); __ slw($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct lShiftI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (LShiftI src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3b /* clear 59 bits, keep 5 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); lShiftI_reg_reg(dst, src1, tmpI); %} %} // Register Shift Left Immediate instruct lShiftI_reg_imm(iRegIdst dst, iRegIsrc src1, immI src2) %{ match(Set dst (LShiftI src1 src2)); format %{ "SLWI $dst, $src1, ($src2 & 0x1f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ slwi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x1f); %} ins_pipe(pipe_class_default); %} // AndI with negpow2-constant + LShiftI instruct lShiftI_andI_immInegpow2_imm5(iRegIdst dst, iRegIsrc src1, immInegpow2 src2, uimmI5 src3) %{ match(Set dst (LShiftI (AndI src1 src2) src3)); predicate(UseRotateAndMaskInstructionsPPC64); format %{ "RLWINM $dst, lShiftI(AndI($src1, $src2), $src3)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); // FIXME: assert that rlwinm is equal to addi long src2 = $src2$$constant; long src3 = $src3$$constant; long maskbits = src3 + log2_long((jlong) (julong) (juint) -src2); if (maskbits >= 32) { __ li($dst$$Register, 0); // addi } else { __ rlwinm($dst$$Register, $src1$$Register, src3 & 0x1f, 0, (31-maskbits) & 0x1f); } %} ins_pipe(pipe_class_default); %} // RShiftI + AndI with negpow2-constant + LShiftI instruct lShiftI_andI_immInegpow2_rShiftI_imm5(iRegIdst dst, iRegIsrc src1, immInegpow2 src2, uimmI5 src3) %{ match(Set dst (LShiftI (AndI (RShiftI src1 src3) src2) src3)); predicate(UseRotateAndMaskInstructionsPPC64); format %{ "RLWINM $dst, lShiftI(AndI(RShiftI($src1, $src3), $src2), $src3)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); // FIXME: assert that rlwinm is equal to addi long src2 = $src2$$constant; long src3 = $src3$$constant; long maskbits = src3 + log2_long((jlong) (julong) (juint) -src2); if (maskbits >= 32) { __ li($dst$$Register, 0); // addi } else { __ rlwinm($dst$$Register, $src1$$Register, 0, 0, (31-maskbits) & 0x1f); } %} ins_pipe(pipe_class_default); %} instruct lShiftL_regL_regI(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SLD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sld); __ sld($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Register Shift Left instruct lShiftL_regL_regI_Ex(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ match(Set dst (LShiftL src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3a /* clear 58 bits, keep 6 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); lShiftL_regL_regI(dst, src1, tmpI); %} %} // Register Shift Left Immediate instruct lshiftL_regL_immI(iRegLdst dst, iRegLsrc src1, immI src2) %{ match(Set dst (LShiftL src1 src2)); format %{ "SLDI $dst, $src1, ($src2 & 0x3f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ sldi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // If we shift more than 32 bits, we need not convert I2L. instruct lShiftL_regI_immGE32(iRegLdst dst, iRegIsrc src1, uimmI6_ge32 src2) %{ match(Set dst (LShiftL (ConvI2L src1) src2)); ins_cost(DEFAULT_COST); size(4); format %{ "SLDI $dst, i2l($src1), $src2" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ sldi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // Shift a postivie int to the left. // Clrlsldi clears the upper 32 bits and shifts. instruct scaledPositiveI2L_lShiftL_convI2L_reg_imm6(iRegLdst dst, iRegIsrc src1, uimmI6 src2) %{ match(Set dst (LShiftL (ConvI2L src1) src2)); predicate(((ConvI2LNode*)(_kids[0]->_leaf))->type()->is_long()->is_positive_int()); format %{ "SLDI $dst, i2l(positive_int($src1)), $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldic); __ clrlsldi($dst$$Register, $src1$$Register, 0x20, $src2$$constant); %} ins_pipe(pipe_class_default); %} instruct arShiftI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SRAW $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sraw); __ sraw($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Register Arithmetic Shift Right instruct arShiftI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (RShiftI src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3b /* clear 59 bits, keep 5 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); arShiftI_reg_reg(dst, src1, tmpI); %} %} // Register Arithmetic Shift Right Immediate instruct arShiftI_reg_imm(iRegIdst dst, iRegIsrc src1, immI src2) %{ match(Set dst (RShiftI src1 src2)); format %{ "SRAWI $dst, $src1, ($src2 & 0x1f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srawi); __ srawi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x1f); %} ins_pipe(pipe_class_default); %} instruct arShiftL_regL_regI(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SRAD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srad); __ srad($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Register Shift Right Arithmetic Long instruct arShiftL_regL_regI_Ex(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ match(Set dst (RShiftL src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3a /* clear 58 bits, keep 6 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); arShiftL_regL_regI(dst, src1, tmpI); %} %} // Register Shift Right Immediate instruct arShiftL_regL_immI(iRegLdst dst, iRegLsrc src1, immI src2) %{ match(Set dst (RShiftL src1 src2)); format %{ "SRADI $dst, $src1, ($src2 & 0x3f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sradi); __ sradi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // RShiftL + ConvL2I instruct convL2I_arShiftL_regL_immI(iRegIdst dst, iRegLsrc src1, immI src2) %{ match(Set dst (ConvL2I (RShiftL src1 src2))); format %{ "SRADI $dst, $src1, ($src2 & 0x3f) \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_sradi); __ sradi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} instruct urShiftI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SRW $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srw); __ srw($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Register Shift Right instruct urShiftI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (URShiftI src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3b /* clear 59 bits, keep 5 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); urShiftI_reg_reg(dst, src1, tmpI); %} %} // Register Shift Right Immediate instruct urShiftI_reg_imm(iRegIdst dst, iRegIsrc src1, immI src2) %{ match(Set dst (URShiftI src1 src2)); format %{ "SRWI $dst, $src1, ($src2 & 0x1f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ srwi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x1f); %} ins_pipe(pipe_class_default); %} instruct urShiftL_regL_regI(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "SRD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srd); __ srd($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Register Shift Right instruct urShiftL_regL_regI_Ex(iRegLdst dst, iRegLsrc src1, iRegIsrc src2) %{ match(Set dst (URShiftL src1 src2)); ins_cost(DEFAULT_COST*2); expand %{ uimmI6 mask %{ 0x3a /* clear 58 bits, keep 6 */ %} iRegIdst tmpI; maskI_reg_imm(tmpI, src2, mask); urShiftL_regL_regI(dst, src1, tmpI); %} %} // Register Shift Right Immediate instruct urShiftL_regL_immI(iRegLdst dst, iRegLsrc src1, immI src2) %{ match(Set dst (URShiftL src1 src2)); format %{ "SRDI $dst, $src1, ($src2 & 0x3f)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // URShiftL + ConvL2I. instruct convL2I_urShiftL_regL_immI(iRegIdst dst, iRegLsrc src1, immI src2) %{ match(Set dst (ConvL2I (URShiftL src1 src2))); format %{ "SRDI $dst, $src1, ($src2 & 0x3f) \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // Register Shift Right Immediate with a CastP2X instruct shrP_convP2X_reg_imm6(iRegLdst dst, iRegP_N2P src1, uimmI6 src2) %{ match(Set dst (URShiftL (CastP2X src1) src2)); format %{ "SRDI $dst, $src1, $src2 \t// Cast ptr $src1 to long and shift" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ srdi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); %} ins_pipe(pipe_class_default); %} // Bitfield Extract: URShiftI + AndI instruct andI_urShiftI_regI_immI_immIpow2minus1(iRegIdst dst, iRegIsrc src1, immI src2, immIpow2minus1 src3) %{ match(Set dst (AndI (URShiftI src1 src2) src3)); format %{ "EXTRDI $dst, $src1, shift=$src2, mask=$src3 \t// int bitfield extract" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); int rshift = ($src2$$constant) & 0x1f; int length = log2_long(((jlong) $src3$$constant) + 1); if (rshift + length > 32) { // if necessary, adjust mask to omit rotated bits. length = 32 - rshift; } __ extrdi($dst$$Register, $src1$$Register, length, 64 - (rshift + length)); %} ins_pipe(pipe_class_default); %} // Bitfield Extract: URShiftL + AndL instruct andL_urShiftL_regL_immI_immLpow2minus1(iRegLdst dst, iRegLsrc src1, immI src2, immLpow2minus1 src3) %{ match(Set dst (AndL (URShiftL src1 src2) src3)); format %{ "EXTRDI $dst, $src1, shift=$src2, mask=$src3 \t// long bitfield extract" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); int rshift = ($src2$$constant) & 0x3f; int length = log2_long(((jlong) $src3$$constant) + 1); if (rshift + length > 64) { // if necessary, adjust mask to omit rotated bits. length = 64 - rshift; } __ extrdi($dst$$Register, $src1$$Register, length, 64 - (rshift + length)); %} ins_pipe(pipe_class_default); %} instruct sxtI_reg(iRegIdst dst, iRegIsrc src) %{ match(Set dst (ConvL2I (ConvI2L src))); format %{ "EXTSW $dst, $src \t// int->int" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsw); __ extsw($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} //----------Rotate Instructions------------------------------------------------ // Rotate Left by 8-bit immediate instruct rotlI_reg_immi8(iRegIdst dst, iRegIsrc src, immI8 lshift, immI8 rshift) %{ match(Set dst (OrI (LShiftI src lshift) (URShiftI src rshift))); predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x1f)); format %{ "ROTLWI $dst, $src, $lshift" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ rotlwi($dst$$Register, $src$$Register, $lshift$$constant); %} ins_pipe(pipe_class_default); %} // Rotate Right by 8-bit immediate instruct rotrI_reg_immi8(iRegIdst dst, iRegIsrc src, immI8 rshift, immI8 lshift) %{ match(Set dst (OrI (URShiftI src rshift) (LShiftI src lshift))); predicate(0 == ((n->in(1)->in(2)->get_int() + n->in(2)->in(2)->get_int()) & 0x1f)); format %{ "ROTRWI $dst, $rshift" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ rotrwi($dst$$Register, $src$$Register, $rshift$$constant); %} ins_pipe(pipe_class_default); %} //----------Floating Point Arithmetic Instructions----------------------------- // Add float single precision instruct addF_reg_reg(regF dst, regF src1, regF src2) %{ match(Set dst (AddF src1 src2)); format %{ "FADDS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fadds); __ fadds($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Add float double precision instruct addD_reg_reg(regD dst, regD src1, regD src2) %{ match(Set dst (AddD src1 src2)); format %{ "FADD $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fadd); __ fadd($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Sub float single precision instruct subF_reg_reg(regF dst, regF src1, regF src2) %{ match(Set dst (SubF src1 src2)); format %{ "FSUBS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fsubs); __ fsubs($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Sub float double precision instruct subD_reg_reg(regD dst, regD src1, regD src2) %{ match(Set dst (SubD src1 src2)); format %{ "FSUB $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fsub); __ fsub($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Mul float single precision instruct mulF_reg_reg(regF dst, regF src1, regF src2) %{ match(Set dst (MulF src1 src2)); format %{ "FMULS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmuls); __ fmuls($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Mul float double precision instruct mulD_reg_reg(regD dst, regD src1, regD src2) %{ match(Set dst (MulD src1 src2)); format %{ "FMUL $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmul); __ fmul($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Div float single precision instruct divF_reg_reg(regF dst, regF src1, regF src2) %{ match(Set dst (DivF src1 src2)); format %{ "FDIVS $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fdivs); __ fdivs($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Div float double precision instruct divD_reg_reg(regD dst, regD src1, regD src2) %{ match(Set dst (DivD src1 src2)); format %{ "FDIV $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fdiv); __ fdiv($dst$$FloatRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Absolute float single precision instruct absF_reg(regF dst, regF src) %{ match(Set dst (AbsF src)); format %{ "FABS $dst, $src \t// float" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fabs); __ fabs($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Absolute float double precision instruct absD_reg(regD dst, regD src) %{ match(Set dst (AbsD src)); format %{ "FABS $dst, $src \t// double" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fabs); __ fabs($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct negF_reg(regF dst, regF src) %{ match(Set dst (NegF src)); format %{ "FNEG $dst, $src \t// float" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fneg); __ fneg($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct negD_reg(regD dst, regD src) %{ match(Set dst (NegD src)); format %{ "FNEG $dst, $src \t// double" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fneg); __ fneg($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // AbsF + NegF. instruct negF_absF_reg(regF dst, regF src) %{ match(Set dst (NegF (AbsF src))); format %{ "FNABS $dst, $src \t// float" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fnabs); __ fnabs($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // AbsD + NegD. instruct negD_absD_reg(regD dst, regD src) %{ match(Set dst (NegD (AbsD src))); format %{ "FNABS $dst, $src \t// double" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fnabs); __ fnabs($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // VM_Version::has_fsqrt() decides if this node will be used. // Sqrt float double precision instruct sqrtD_reg(regD dst, regD src) %{ match(Set dst (SqrtD src)); format %{ "FSQRT $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fsqrt); __ fsqrt($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Single-precision sqrt. instruct sqrtF_reg(regF dst, regF src) %{ match(Set dst (ConvD2F (SqrtD (ConvF2D src)))); predicate(VM_Version::has_fsqrts()); ins_cost(DEFAULT_COST); format %{ "FSQRTS $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fsqrts); __ fsqrts($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct roundDouble_nop(regD dst) %{ match(Set dst (RoundDouble dst)); ins_cost(0); format %{ " -- \t// RoundDouble not needed - empty" %} size(0); // PPC results are already "rounded" (i.e., normal-format IEEE). ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct roundFloat_nop(regF dst) %{ match(Set dst (RoundFloat dst)); ins_cost(0); format %{ " -- \t// RoundFloat not needed - empty" %} size(0); // PPC results are already "rounded" (i.e., normal-format IEEE). ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} //----------Logical Instructions----------------------------------------------- // And Instructions // Register And instruct andI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (AndI src1 src2)); format %{ "AND $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_and); __ andr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Left shifted Immediate And instruct andI_reg_immIhi16(iRegIdst dst, iRegIsrc src1, immIhi16 src2, flagsRegCR0 cr0) %{ match(Set dst (AndI src1 src2)); effect(KILL cr0); format %{ "ANDIS $dst, $src1, $src2.hi" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andis_); __ andis_($dst$$Register, $src1$$Register, (int)((unsigned short)(($src2$$constant & 0xFFFF0000) >> 16))); %} ins_pipe(pipe_class_default); %} // Immediate And instruct andI_reg_uimm16(iRegIdst dst, iRegIsrc src1, uimmI16 src2, flagsRegCR0 cr0) %{ match(Set dst (AndI src1 src2)); effect(KILL cr0); format %{ "ANDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andi_); // FIXME: avoid andi_ ? __ andi_($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Immediate And where the immediate is a negative power of 2. instruct andI_reg_immInegpow2(iRegIdst dst, iRegIsrc src1, immInegpow2 src2) %{ match(Set dst (AndI src1 src2)); format %{ "ANDWI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ clrrdi($dst$$Register, $src1$$Register, log2_long((jlong)(julong)(juint)-($src2$$constant))); %} ins_pipe(pipe_class_default); %} instruct andI_reg_immIpow2minus1(iRegIdst dst, iRegIsrc src1, immIpow2minus1 src2) %{ match(Set dst (AndI src1 src2)); format %{ "ANDWI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src1$$Register, 64-log2_long((((jlong) $src2$$constant)+1))); %} ins_pipe(pipe_class_default); %} instruct andI_reg_immIpowerOf2(iRegIdst dst, iRegIsrc src1, immIpowerOf2 src2) %{ match(Set dst (AndI src1 src2)); predicate(UseRotateAndMaskInstructionsPPC64); format %{ "ANDWI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ rlwinm($dst$$Register, $src1$$Register, 0, (31-log2_long((jlong) $src2$$constant)) & 0x1f, (31-log2_long((jlong) $src2$$constant)) & 0x1f); %} ins_pipe(pipe_class_default); %} // Register And Long instruct andL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (AndL src1 src2)); ins_cost(DEFAULT_COST); format %{ "AND $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_and); __ andr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Immediate And long instruct andL_reg_uimm16(iRegLdst dst, iRegLsrc src1, uimmL16 src2, flagsRegCR0 cr0) %{ match(Set dst (AndL src1 src2)); effect(KILL cr0); ins_cost(DEFAULT_COST); format %{ "ANDI $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andi_); // FIXME: avoid andi_ ? __ andi_($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Immediate And Long where the immediate is a negative power of 2. instruct andL_reg_immLnegpow2(iRegLdst dst, iRegLsrc src1, immLnegpow2 src2) %{ match(Set dst (AndL src1 src2)); format %{ "ANDDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ clrrdi($dst$$Register, $src1$$Register, log2_long((jlong)-$src2$$constant)); %} ins_pipe(pipe_class_default); %} instruct andL_reg_immLpow2minus1(iRegLdst dst, iRegLsrc src1, immLpow2minus1 src2) %{ match(Set dst (AndL src1 src2)); format %{ "ANDDI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src1$$Register, 64-log2_long((((jlong) $src2$$constant)+1))); %} ins_pipe(pipe_class_default); %} // AndL + ConvL2I. instruct convL2I_andL_reg_immLpow2minus1(iRegIdst dst, iRegLsrc src1, immLpow2minus1 src2) %{ match(Set dst (ConvL2I (AndL src1 src2))); ins_cost(DEFAULT_COST); format %{ "ANDDI $dst, $src1, $src2 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src1$$Register, 64-log2_long((((jlong) $src2$$constant)+1))); %} ins_pipe(pipe_class_default); %} // Or Instructions // Register Or instruct orI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (OrI src1 src2)); format %{ "OR $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ or_unchecked($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Expand does not work with above instruct. (??) instruct orI_reg_reg_2(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule effect(DEF dst, USE src1, USE src2); format %{ "OR $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ or_unchecked($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct tree_orI_orI_orI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2, iRegIsrc src3, iRegIsrc src4) %{ match(Set dst (OrI (OrI (OrI src1 src2) src3) src4)); ins_cost(DEFAULT_COST*3); expand %{ // FIXME: we should do this in the ideal world. iRegIdst tmp1; iRegIdst tmp2; orI_reg_reg(tmp1, src1, src2); orI_reg_reg_2(tmp2, src3, src4); // Adlc complains about orI_reg_reg. orI_reg_reg(dst, tmp1, tmp2); %} %} // Immediate Or instruct orI_reg_uimm16(iRegIdst dst, iRegIsrc src1, uimmI16 src2) %{ match(Set dst (OrI src1 src2)); format %{ "ORI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); __ ori($dst$$Register, $src1$$Register, ($src2$$constant) & 0xFFFF); %} ins_pipe(pipe_class_default); %} // Register Or Long instruct orL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (OrL src1 src2)); ins_cost(DEFAULT_COST); size(4); format %{ "OR $dst, $src1, $src2 \t// long" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ or_unchecked($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // OrL + ConvL2I. instruct orI_regL_regL(iRegIdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (ConvL2I (OrL src1 src2))); ins_cost(DEFAULT_COST); format %{ "OR $dst, $src1, $src2 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ or_unchecked($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Or long instruct orL_reg_uimm16(iRegLdst dst, iRegLsrc src1, uimmL16 con) %{ match(Set dst (OrL src1 con)); ins_cost(DEFAULT_COST); format %{ "ORI $dst, $src1, $con \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_ori); __ ori($dst$$Register, $src1$$Register, ($con$$constant) & 0xFFFF); %} ins_pipe(pipe_class_default); %} // Xor Instructions // Register Xor instruct xorI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (XorI src1 src2)); format %{ "XOR $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xor); __ xorr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Expand does not work with above instruct. (??) instruct xorI_reg_reg_2(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ // no match-rule effect(DEF dst, USE src1, USE src2); format %{ "XOR $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xor); __ xorr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} instruct tree_xorI_xorI_xorI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2, iRegIsrc src3, iRegIsrc src4) %{ match(Set dst (XorI (XorI (XorI src1 src2) src3) src4)); ins_cost(DEFAULT_COST*3); expand %{ // FIXME: we should do this in the ideal world. iRegIdst tmp1; iRegIdst tmp2; xorI_reg_reg(tmp1, src1, src2); xorI_reg_reg_2(tmp2, src3, src4); // Adlc complains about xorI_reg_reg. xorI_reg_reg(dst, tmp1, tmp2); %} %} // Immediate Xor instruct xorI_reg_uimm16(iRegIdst dst, iRegIsrc src1, uimmI16 src2) %{ match(Set dst (XorI src1 src2)); format %{ "XORI $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xori); __ xori($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} // Register Xor Long instruct xorL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (XorL src1 src2)); ins_cost(DEFAULT_COST); format %{ "XOR $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xor); __ xorr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // XorL + ConvL2I. instruct xorI_regL_regL(iRegIdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (ConvL2I (XorL src1 src2))); ins_cost(DEFAULT_COST); format %{ "XOR $dst, $src1, $src2 \t// long + l2i" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xor); __ xorr($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} // Immediate Xor Long instruct xorL_reg_uimm16(iRegLdst dst, iRegLsrc src1, uimmL16 src2) %{ match(Set dst (XorL src1 src2)); ins_cost(DEFAULT_COST); format %{ "XORI $dst, $src1, $src2 \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_xori); __ xori($dst$$Register, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_default); %} instruct notI_reg(iRegIdst dst, iRegIsrc src1, immI_minus1 src2) %{ match(Set dst (XorI src1 src2)); ins_cost(DEFAULT_COST); format %{ "NOT $dst, $src1 ($src2)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_nor); __ nor($dst$$Register, $src1$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} instruct notL_reg(iRegLdst dst, iRegLsrc src1, immL_minus1 src2) %{ match(Set dst (XorL src1 src2)); ins_cost(DEFAULT_COST); format %{ "NOT $dst, $src1 ($src2) \t// long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_nor); __ nor($dst$$Register, $src1$$Register, $src1$$Register); %} ins_pipe(pipe_class_default); %} // And-complement instruct andcI_reg_reg(iRegIdst dst, iRegIsrc src1, immI_minus1 src2, iRegIsrc src3) %{ match(Set dst (AndI (XorI src1 src2) src3)); ins_cost(DEFAULT_COST); format %{ "ANDW $dst, xori($src1, $src2), $src3" %} size(4); ins_encode( enc_andc(dst, src3, src1) ); ins_pipe(pipe_class_default); %} // And-complement instruct andcL_reg_reg(iRegLdst dst, iRegLsrc src1, iRegLsrc src2) %{ // no match-rule, false predicate effect(DEF dst, USE src1, USE src2); predicate(false); format %{ "ANDC $dst, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andc); __ andc($dst$$Register, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_default); %} //----------Moves between int/long and float/double---------------------------- // // The following rules move values from int/long registers/stack-locations // to float/double registers/stack-locations and vice versa, without doing any // conversions. These rules are used to implement the bit-conversion methods // of java.lang.Float etc., e.g. // int floatToIntBits(float value) // float intBitsToFloat(int bits) // // Notes on the implementation on ppc64: // We only provide rules which move between a register and a stack-location, // because we always have to go through memory when moving between a float // register and an integer register. //---------- Chain stack slots between similar types -------- // These are needed so that the rules below can match. // Load integer from stack slot instruct stkI_to_regI(iRegIdst dst, stackSlotI src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $src" %} size(4); ins_encode( enc_lwz(dst, src) ); ins_pipe(pipe_class_memory); %} // Store integer to stack slot instruct regI_to_stkI(stackSlotI dst, iRegIsrc src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); format %{ "STW $src, $dst \t// stk" %} size(4); ins_encode( enc_stw(src, dst) ); // rs=rt ins_pipe(pipe_class_memory); %} // Load long from stack slot instruct stkL_to_regL(iRegLdst dst, stackSlotL src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); format %{ "LD $dst, $src \t// long" %} size(4); ins_encode( enc_ld(dst, src) ); ins_pipe(pipe_class_memory); %} // Store long to stack slot instruct regL_to_stkL(stackSlotL dst, iRegLsrc src) %{ match(Set dst src); ins_cost(MEMORY_REF_COST); format %{ "STD $src, $dst \t// long" %} size(4); ins_encode( enc_std(src, dst) ); // rs=rt ins_pipe(pipe_class_memory); %} //----------Moves between int and float // Move float value from float stack-location to integer register. instruct moveF2I_stack_reg(iRegIdst dst, stackSlotF src) %{ match(Set dst (MoveF2I src)); ins_cost(MEMORY_REF_COST); format %{ "LWZ $dst, $src \t// MoveF2I" %} size(4); ins_encode( enc_lwz(dst, src) ); ins_pipe(pipe_class_memory); %} // Move float value from float register to integer stack-location. instruct moveF2I_reg_stack(stackSlotI dst, regF src) %{ match(Set dst (MoveF2I src)); ins_cost(MEMORY_REF_COST); format %{ "STFS $src, $dst \t// MoveF2I" %} size(4); ins_encode( enc_stfs(src, dst) ); ins_pipe(pipe_class_memory); %} // Move integer value from integer stack-location to float register. instruct moveI2F_stack_reg(regF dst, stackSlotI src) %{ match(Set dst (MoveI2F src)); ins_cost(MEMORY_REF_COST); format %{ "LFS $dst, $src \t// MoveI2F" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_lfs); int Idisp = $src$$disp + frame_slots_bias($src$$base, ra_); __ lfs($dst$$FloatRegister, Idisp, $src$$base$$Register); %} ins_pipe(pipe_class_memory); %} // Move integer value from integer register to float stack-location. instruct moveI2F_reg_stack(stackSlotF dst, iRegIsrc src) %{ match(Set dst (MoveI2F src)); ins_cost(MEMORY_REF_COST); format %{ "STW $src, $dst \t// MoveI2F" %} size(4); ins_encode( enc_stw(src, dst) ); ins_pipe(pipe_class_memory); %} //----------Moves between long and float instruct moveF2L_reg_stack(stackSlotL dst, regF src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "storeD $src, $dst \t// STACK" %} size(4); ins_encode( enc_stfd(src, dst) ); ins_pipe(pipe_class_default); %} //----------Moves between long and double // Move double value from double stack-location to long register. instruct moveD2L_stack_reg(iRegLdst dst, stackSlotD src) %{ match(Set dst (MoveD2L src)); ins_cost(MEMORY_REF_COST); size(4); format %{ "LD $dst, $src \t// MoveD2L" %} ins_encode( enc_ld(dst, src) ); ins_pipe(pipe_class_memory); %} // Move double value from double register to long stack-location. instruct moveD2L_reg_stack(stackSlotL dst, regD src) %{ match(Set dst (MoveD2L src)); effect(DEF dst, USE src); ins_cost(MEMORY_REF_COST); format %{ "STFD $src, $dst \t// MoveD2L" %} size(4); ins_encode( enc_stfd(src, dst) ); ins_pipe(pipe_class_memory); %} // Move long value from long stack-location to double register. instruct moveL2D_stack_reg(regD dst, stackSlotL src) %{ match(Set dst (MoveL2D src)); ins_cost(MEMORY_REF_COST); format %{ "LFD $dst, $src \t// MoveL2D" %} size(4); ins_encode( enc_lfd(dst, src) ); ins_pipe(pipe_class_memory); %} // Move long value from long register to double stack-location. instruct moveL2D_reg_stack(stackSlotD dst, iRegLsrc src) %{ match(Set dst (MoveL2D src)); ins_cost(MEMORY_REF_COST); format %{ "STD $src, $dst \t// MoveL2D" %} size(4); ins_encode( enc_std(src, dst) ); ins_pipe(pipe_class_memory); %} //----------Register Move Instructions----------------------------------------- // Replicate for Superword instruct moveReg(iRegLdst dst, iRegIsrc src) %{ predicate(false); effect(DEF dst, USE src); format %{ "MR $dst, $src \t// replicate " %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} //----------Cast instructions (Java-level type cast)--------------------------- // Cast Long to Pointer for unsafe natives. instruct castX2P(iRegPdst dst, iRegLsrc src) %{ match(Set dst (CastX2P src)); format %{ "MR $dst, $src \t// Long->Ptr" %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Cast Pointer to Long for unsafe natives. instruct castP2X(iRegLdst dst, iRegP_N2P src) %{ match(Set dst (CastP2X src)); format %{ "MR $dst, $src \t// Ptr->Long" %} // variable size, 0 or 4. ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct castPP(iRegPdst dst) %{ match(Set dst (CastPP dst)); format %{ " -- \t// castPP of $dst" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct castII(iRegIdst dst) %{ match(Set dst (CastII dst)); format %{ " -- \t// castII of $dst" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} instruct checkCastPP(iRegPdst dst) %{ match(Set dst (CheckCastPP dst)); format %{ " -- \t// checkcastPP of $dst" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} //----------Convert instructions----------------------------------------------- // Convert to boolean. // int_to_bool(src) : { 1 if src != 0 // { 0 else // // strategy: // 1) Count leading zeros of 32 bit-value src, // this returns 32 (0b10.0000) iff src == 0 and <32 otherwise. // 2) Shift 5 bits to the right, result is 0b1 iff src == 0, 0b0 otherwise. // 3) Xori the result to get 0b1 if src != 0 and 0b0 if src == 0. // convI2Bool instruct convI2Bool_reg__cntlz_Ex(iRegIdst dst, iRegIsrc src) %{ match(Set dst (Conv2B src)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI shiftAmount %{ 0x5 %} uimmI16 mask %{ 0x1 %} iRegIdst tmp1; iRegIdst tmp2; countLeadingZerosI(tmp1, src); urShiftI_reg_imm(tmp2, tmp1, shiftAmount); xorI_reg_uimm16(dst, tmp2, mask); %} %} instruct convI2Bool_reg__cmove(iRegIdst dst, iRegIsrc src, flagsReg crx) %{ match(Set dst (Conv2B src)); effect(TEMP crx); predicate(!UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); format %{ "CMPWI $crx, $src, #0 \t// convI2B" "LI $dst, #0\n\t" "BEQ $crx, done\n\t" "LI $dst, #1\n" "done:" %} size(16); ins_encode( enc_convI2B_regI__cmove(dst, src, crx, 0x0, 0x1) ); ins_pipe(pipe_class_compare); %} // ConvI2B + XorI instruct xorI_convI2Bool_reg_immIvalue1__cntlz_Ex(iRegIdst dst, iRegIsrc src, immI_1 mask) %{ match(Set dst (XorI (Conv2B src) mask)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI shiftAmount %{ 0x5 %} iRegIdst tmp1; countLeadingZerosI(tmp1, src); urShiftI_reg_imm(dst, tmp1, shiftAmount); %} %} instruct xorI_convI2Bool_reg_immIvalue1__cmove(iRegIdst dst, iRegIsrc src, flagsReg crx, immI_1 mask) %{ match(Set dst (XorI (Conv2B src) mask)); effect(TEMP crx); predicate(!UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); format %{ "CMPWI $crx, $src, #0 \t// Xor(convI2B($src), $mask)" "LI $dst, #1\n\t" "BEQ $crx, done\n\t" "LI $dst, #0\n" "done:" %} size(16); ins_encode( enc_convI2B_regI__cmove(dst, src, crx, 0x1, 0x0) ); ins_pipe(pipe_class_compare); %} // AndI 0b0..010..0 + ConvI2B instruct convI2Bool_andI_reg_immIpowerOf2(iRegIdst dst, iRegIsrc src, immIpowerOf2 mask) %{ match(Set dst (Conv2B (AndI src mask))); predicate(UseRotateAndMaskInstructionsPPC64); ins_cost(DEFAULT_COST); format %{ "RLWINM $dst, $src, $mask \t// convI2B(AndI($src, $mask))" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwinm); __ rlwinm($dst$$Register, $src$$Register, (32-log2_long((jlong)$mask$$constant)) & 0x1f, 31, 31); %} ins_pipe(pipe_class_default); %} // Convert pointer to boolean. // // ptr_to_bool(src) : { 1 if src != 0 // { 0 else // // strategy: // 1) Count leading zeros of 64 bit-value src, // this returns 64 (0b100.0000) iff src == 0 and <64 otherwise. // 2) Shift 6 bits to the right, result is 0b1 iff src == 0, 0b0 otherwise. // 3) Xori the result to get 0b1 if src != 0 and 0b0 if src == 0. // ConvP2B instruct convP2Bool_reg__cntlz_Ex(iRegIdst dst, iRegP_N2P src) %{ match(Set dst (Conv2B src)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI shiftAmount %{ 0x6 %} uimmI16 mask %{ 0x1 %} iRegIdst tmp1; iRegIdst tmp2; countLeadingZerosP(tmp1, src); urShiftI_reg_imm(tmp2, tmp1, shiftAmount); xorI_reg_uimm16(dst, tmp2, mask); %} %} instruct convP2Bool_reg__cmove(iRegIdst dst, iRegP_N2P src, flagsReg crx) %{ match(Set dst (Conv2B src)); effect(TEMP crx); predicate(!UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); format %{ "CMPDI $crx, $src, #0 \t// convP2B" "LI $dst, #0\n\t" "BEQ $crx, done\n\t" "LI $dst, #1\n" "done:" %} size(16); ins_encode( enc_convP2B_regP__cmove(dst, src, crx, 0x0, 0x1) ); ins_pipe(pipe_class_compare); %} // ConvP2B + XorI instruct xorI_convP2Bool_reg__cntlz_Ex(iRegIdst dst, iRegP_N2P src, immI_1 mask) %{ match(Set dst (XorI (Conv2B src) mask)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI shiftAmount %{ 0x6 %} iRegIdst tmp1; countLeadingZerosP(tmp1, src); urShiftI_reg_imm(dst, tmp1, shiftAmount); %} %} instruct xorI_convP2Bool_reg_immIvalue1__cmove(iRegIdst dst, iRegP_N2P src, flagsReg crx, immI_1 mask) %{ match(Set dst (XorI (Conv2B src) mask)); effect(TEMP crx); predicate(!UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); format %{ "CMPDI $crx, $src, #0 \t// XorI(convP2B($src), $mask)" "LI $dst, #1\n\t" "BEQ $crx, done\n\t" "LI $dst, #0\n" "done:" %} size(16); ins_encode( enc_convP2B_regP__cmove(dst, src, crx, 0x1, 0x0) ); ins_pipe(pipe_class_compare); %} // if src1 < src2, return -1 else return 0 instruct cmpLTMask_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (CmpLTMask src1 src2)); ins_cost(DEFAULT_COST*4); expand %{ iRegLdst src1s; iRegLdst src2s; iRegLdst diff; convI2L_reg(src1s, src1); // Ensure proper sign extension. convI2L_reg(src2s, src2); // Ensure proper sign extension. subL_reg_reg(diff, src1s, src2s); // Need to consider >=33 bit result, therefore we need signmaskL. signmask64I_regL(dst, diff); %} %} instruct cmpLTMask_reg_immI0(iRegIdst dst, iRegIsrc src1, immI_0 src2) %{ match(Set dst (CmpLTMask src1 src2)); // if src1 < src2, return -1 else return 0 format %{ "SRAWI $dst, $src1, $src2 \t// CmpLTMask" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_srawi); __ srawi($dst$$Register, $src1$$Register, 0x1f); %} ins_pipe(pipe_class_default); %} //----------Arithmetic Conversion Instructions--------------------------------- // Convert to Byte -- nop // Convert to Short -- nop // Convert to Int instruct convB2I_reg(iRegIdst dst, iRegIsrc src, immI_24 amount) %{ match(Set dst (RShiftI (LShiftI src amount) amount)); format %{ "EXTSB $dst, $src \t// byte->int" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsb); __ extsb($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // LShiftI 16 + RShiftI 16 converts short to int. instruct convS2I_reg(iRegIdst dst, iRegIsrc src, immI_16 amount) %{ match(Set dst (RShiftI (LShiftI src amount) amount)); format %{ "EXTSH $dst, $src \t// short->int" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsh); __ extsh($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // ConvL2I + ConvI2L: Sign extend int in long register. instruct sxtI_L2L_reg(iRegLdst dst, iRegLsrc src) %{ match(Set dst (ConvI2L (ConvL2I src))); format %{ "EXTSW $dst, $src \t// long->long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsw); __ extsw($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct convL2I_reg(iRegIdst dst, iRegLsrc src) %{ match(Set dst (ConvL2I src)); format %{ "MR $dst, $src \t// long->int" %} // variable size, 0 or 4 ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_or); __ mr_if_needed($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct convD2IRaw_regD(regD dst, regD src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCTIWZ $dst, $src \t// convD2I, $src != NaN" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fctiwz);; __ fctiwz($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct cmovI_bso_stackSlotL(iRegIdst dst, flagsReg crx, stackSlotL src) %{ // no match-rule, false predicate effect(DEF dst, USE crx, USE src); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "cmovI $crx, $dst, $src" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT(InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 12 : 8); ins_encode( enc_cmove_bso_stackSlotL(dst, crx, src) ); ins_pipe(pipe_class_default); %} instruct cmovI_bso_stackSlotL_conLvalue0_Ex(iRegIdst dst, flagsReg crx, stackSlotL mem) %{ // no match-rule, false predicate effect(DEF dst, USE crx, USE mem); predicate(false); format %{ "CmovI $dst, $crx, $mem \t// postalloc expanded" %} postalloc_expand %{ // // replaces // // region dst crx mem // \ | | / // dst=cmovI_bso_stackSlotL_conLvalue0 // // with // // region dst // \ / // dst=loadConI16(0) // | // ^ region dst crx mem // | \ | | / // dst=cmovI_bso_stackSlotL // // Create new nodes. MachNode *m1 = new (C) loadConI16Node(); MachNode *m2 = new (C) cmovI_bso_stackSlotLNode(); // inputs for new nodes m1->add_req(n_region); m2->add_req(n_region, n_crx, n_mem); // precedences for new nodes m2->add_prec(m1); // operands for new nodes m1->_opnds[0] = op_dst; m1->_opnds[1] = new (C) immI16Oper(0); m2->_opnds[0] = op_dst; m2->_opnds[1] = op_crx; m2->_opnds[2] = op_mem; // registers for new nodes ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst // Insert new nodes. nodes->push(m1); nodes->push(m2); %} %} // Double to Int conversion, NaN is mapped to 0. instruct convD2I_reg_ExEx(iRegIdst dst, regD src) %{ match(Set dst (ConvD2I src)); ins_cost(DEFAULT_COST); expand %{ regD tmpD; stackSlotL tmpS; flagsReg crx; cmpDUnordered_reg_reg(crx, src, src); // Check whether src is NaN. convD2IRaw_regD(tmpD, src); // Convert float to int (speculated). moveD2L_reg_stack(tmpS, tmpD); // Store float to stack (speculated). cmovI_bso_stackSlotL_conLvalue0_Ex(dst, crx, tmpS); // Cmove based on NaN check. %} %} instruct convF2IRaw_regF(regF dst, regF src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCTIWZ $dst, $src \t// convF2I, $src != NaN" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fctiwz); __ fctiwz($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Float to Int conversion, NaN is mapped to 0. instruct convF2I_regF_ExEx(iRegIdst dst, regF src) %{ match(Set dst (ConvF2I src)); ins_cost(DEFAULT_COST); expand %{ regF tmpF; stackSlotL tmpS; flagsReg crx; cmpFUnordered_reg_reg(crx, src, src); // Check whether src is NaN. convF2IRaw_regF(tmpF, src); // Convert float to int (speculated). moveF2L_reg_stack(tmpS, tmpF); // Store float to stack (speculated). cmovI_bso_stackSlotL_conLvalue0_Ex(dst, crx, tmpS); // Cmove based on NaN check. %} %} // Convert to Long instruct convI2L_reg(iRegLdst dst, iRegIsrc src) %{ match(Set dst (ConvI2L src)); format %{ "EXTSW $dst, $src \t// int->long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_extsw); __ extsw($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Zero-extend: convert unsigned int to long (convUI2L). instruct zeroExtendL_regI(iRegLdst dst, iRegIsrc src, immL_32bits mask) %{ match(Set dst (AndL (ConvI2L src) mask)); ins_cost(DEFAULT_COST); format %{ "CLRLDI $dst, $src, #32 \t// zero-extend int to long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src$$Register, 32); %} ins_pipe(pipe_class_default); %} // Zero-extend: convert unsigned int to long in long register. instruct zeroExtendL_regL(iRegLdst dst, iRegLsrc src, immL_32bits mask) %{ match(Set dst (AndL src mask)); ins_cost(DEFAULT_COST); format %{ "CLRLDI $dst, $src, #32 \t// zero-extend int to long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); __ clrldi($dst$$Register, $src$$Register, 32); %} ins_pipe(pipe_class_default); %} instruct convF2LRaw_regF(regF dst, regF src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCTIDZ $dst, $src \t// convF2L, $src != NaN" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fctiwz); __ fctidz($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct cmovL_bso_stackSlotL(iRegLdst dst, flagsReg crx, stackSlotL src) %{ // no match-rule, false predicate effect(DEF dst, USE crx, USE src); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "cmovL $crx, $dst, $src" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT Compile::current()->do_hb_scheduling()*/ ? 12 : 8); ins_encode( enc_cmove_bso_stackSlotL(dst, crx, src) ); ins_pipe(pipe_class_default); %} instruct cmovL_bso_stackSlotL_conLvalue0_Ex(iRegLdst dst, flagsReg crx, stackSlotL mem) %{ // no match-rule, false predicate effect(DEF dst, USE crx, USE mem); predicate(false); format %{ "CmovL $dst, $crx, $mem \t// postalloc expanded" %} postalloc_expand %{ // // replaces // // region dst crx mem // \ | | / // dst=cmovL_bso_stackSlotL_conLvalue0 // // with // // region dst // \ / // dst=loadConL16(0) // | // ^ region dst crx mem // | \ | | / // dst=cmovL_bso_stackSlotL // // Create new nodes. MachNode *m1 = new (C) loadConL16Node(); MachNode *m2 = new (C) cmovL_bso_stackSlotLNode(); // inputs for new nodes m1->add_req(n_region); m2->add_req(n_region, n_crx, n_mem); m2->add_prec(m1); // operands for new nodes m1->_opnds[0] = op_dst; m1->_opnds[1] = new (C) immL16Oper(0); m2->_opnds[0] = op_dst; m2->_opnds[1] = op_crx; m2->_opnds[2] = op_mem; // registers for new nodes ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst // Insert new nodes. nodes->push(m1); nodes->push(m2); %} %} // Float to Long conversion, NaN is mapped to 0. instruct convF2L_reg_ExEx(iRegLdst dst, regF src) %{ match(Set dst (ConvF2L src)); ins_cost(DEFAULT_COST); expand %{ regF tmpF; stackSlotL tmpS; flagsReg crx; cmpFUnordered_reg_reg(crx, src, src); // Check whether src is NaN. convF2LRaw_regF(tmpF, src); // Convert float to long (speculated). moveF2L_reg_stack(tmpS, tmpF); // Store float to stack (speculated). cmovL_bso_stackSlotL_conLvalue0_Ex(dst, crx, tmpS); // Cmove based on NaN check. %} %} instruct convD2LRaw_regD(regD dst, regD src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCTIDZ $dst, $src \t// convD2L $src != NaN" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fctiwz); __ fctidz($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Double to Long conversion, NaN is mapped to 0. instruct convD2L_reg_ExEx(iRegLdst dst, regD src) %{ match(Set dst (ConvD2L src)); ins_cost(DEFAULT_COST); expand %{ regD tmpD; stackSlotL tmpS; flagsReg crx; cmpDUnordered_reg_reg(crx, src, src); // Check whether src is NaN. convD2LRaw_regD(tmpD, src); // Convert float to long (speculated). moveD2L_reg_stack(tmpS, tmpD); // Store float to stack (speculated). cmovL_bso_stackSlotL_conLvalue0_Ex(dst, crx, tmpS); // Cmove based on NaN check. %} %} // Convert to Float // Placed here as needed in expand. instruct convL2DRaw_regD(regD dst, regD src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCFID $dst, $src \t// convL2D" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fcfid); __ fcfid($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Placed here as needed in expand. instruct convD2F_reg(regF dst, regD src) %{ match(Set dst (ConvD2F src)); format %{ "FRSP $dst, $src \t// convD2F" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_frsp); __ frsp($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Integer to Float conversion. instruct convI2F_ireg_Ex(regF dst, iRegIsrc src) %{ match(Set dst (ConvI2F src)); predicate(!VM_Version::has_fcfids()); ins_cost(DEFAULT_COST); expand %{ iRegLdst tmpL; stackSlotL tmpS; regD tmpD; regD tmpD2; convI2L_reg(tmpL, src); // Sign-extension int to long. regL_to_stkL(tmpS, tmpL); // Store long to stack. moveL2D_stack_reg(tmpD, tmpS); // Load long into double register. convL2DRaw_regD(tmpD2, tmpD); // Convert to double. convD2F_reg(dst, tmpD2); // Convert double to float. %} %} instruct convL2FRaw_regF(regF dst, regD src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "FCFIDS $dst, $src \t// convL2F" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fcfid); __ fcfids($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} // Integer to Float conversion. Special version for Power7. instruct convI2F_ireg_fcfids_Ex(regF dst, iRegIsrc src) %{ match(Set dst (ConvI2F src)); predicate(VM_Version::has_fcfids()); ins_cost(DEFAULT_COST); expand %{ iRegLdst tmpL; stackSlotL tmpS; regD tmpD; convI2L_reg(tmpL, src); // Sign-extension int to long. regL_to_stkL(tmpS, tmpL); // Store long to stack. moveL2D_stack_reg(tmpD, tmpS); // Load long into double register. convL2FRaw_regF(dst, tmpD); // Convert to float. %} %} // L2F to avoid runtime call. instruct convL2F_ireg_fcfids_Ex(regF dst, iRegLsrc src) %{ match(Set dst (ConvL2F src)); predicate(VM_Version::has_fcfids()); ins_cost(DEFAULT_COST); expand %{ stackSlotL tmpS; regD tmpD; regL_to_stkL(tmpS, src); // Store long to stack. moveL2D_stack_reg(tmpD, tmpS); // Load long into double register. convL2FRaw_regF(dst, tmpD); // Convert to float. %} %} // Moved up as used in expand. //instruct convD2F_reg(regF dst, regD src) %{%} // Convert to Double // Integer to Double conversion. instruct convI2D_reg_Ex(regD dst, iRegIsrc src) %{ match(Set dst (ConvI2D src)); ins_cost(DEFAULT_COST); expand %{ iRegLdst tmpL; stackSlotL tmpS; regD tmpD; convI2L_reg(tmpL, src); // Sign-extension int to long. regL_to_stkL(tmpS, tmpL); // Store long to stack. moveL2D_stack_reg(tmpD, tmpS); // Load long into double register. convL2DRaw_regD(dst, tmpD); // Convert to double. %} %} // Long to Double conversion instruct convL2D_reg_Ex(regD dst, stackSlotL src) %{ match(Set dst (ConvL2D src)); ins_cost(DEFAULT_COST + MEMORY_REF_COST); expand %{ regD tmpD; moveL2D_stack_reg(tmpD, src); convL2DRaw_regD(dst, tmpD); %} %} instruct convF2D_reg(regD dst, regF src) %{ match(Set dst (ConvF2D src)); format %{ "FMR $dst, $src \t// float->double" %} // variable size, 0 or 4 ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmr); __ fmr_if_needed($dst$$FloatRegister, $src$$FloatRegister); %} ins_pipe(pipe_class_default); %} //----------Control Flow Instructions------------------------------------------ // Compare Instructions // Compare Integers instruct cmpI_reg_reg(flagsReg crx, iRegIsrc src1, iRegIsrc src2) %{ match(Set crx (CmpI src1 src2)); size(4); format %{ "CMPW $crx, $src1, $src2" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmp); __ cmpw($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct cmpI_reg_imm16(flagsReg crx, iRegIsrc src1, immI16 src2) %{ match(Set crx (CmpI src1 src2)); format %{ "CMPWI $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpi); __ cmpwi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} // (src1 & src2) == 0? instruct testI_reg_imm(flagsRegCR0 cr0, iRegIsrc src1, uimmI16 src2, immI_0 zero) %{ match(Set cr0 (CmpI (AndI src1 src2) zero)); // r0 is killed format %{ "ANDI R0, $src1, $src2 \t// BTST int" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andi_); // FIXME: avoid andi_ ? __ andi_(R0, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} instruct cmpL_reg_reg(flagsReg crx, iRegLsrc src1, iRegLsrc src2) %{ match(Set crx (CmpL src1 src2)); format %{ "CMPD $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmp); __ cmpd($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct cmpL_reg_imm16(flagsReg crx, iRegLsrc src1, immL16 src2) %{ match(Set crx (CmpL src1 src2)); format %{ "CMPDI $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpi); __ cmpdi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} // Added CmpUL for LoopPredicate. instruct cmpUL_reg_reg(flagsReg crx, iRegLsrc src1, iRegLsrc src2) %{ match(Set crx (CmpUL src1 src2)); format %{ "CMPLD $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpl); __ cmpld($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct cmpUL_reg_imm16(flagsReg crx, iRegLsrc src1, uimmL16 src2) %{ match(Set crx (CmpUL src1 src2)); format %{ "CMPLDI $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpli); __ cmpldi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} instruct testL_reg_reg(flagsRegCR0 cr0, iRegLsrc src1, iRegLsrc src2, immL_0 zero) %{ match(Set cr0 (CmpL (AndL src1 src2) zero)); // r0 is killed format %{ "AND R0, $src1, $src2 \t// BTST long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_and_); __ and_(R0, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct testL_reg_imm(flagsRegCR0 cr0, iRegLsrc src1, uimmL16 src2, immL_0 zero) %{ match(Set cr0 (CmpL (AndL src1 src2) zero)); // r0 is killed format %{ "ANDI R0, $src1, $src2 \t// BTST long" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_andi_); // FIXME: avoid andi_ ? __ andi_(R0, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} instruct cmovI_conIvalueMinus1_conIvalue1(iRegIdst dst, flagsReg crx) %{ // no match-rule, false predicate effect(DEF dst, USE crx); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "cmovI $crx, $dst, -1, 0, +1" %} // Worst case is branch + move + branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORTInsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 20 : 16); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmove); Label done; // li(Rdst, 0); // equal -> 0 __ beq($crx$$CondRegister, done); __ li($dst$$Register, 1); // greater -> +1 __ bgt($crx$$CondRegister, done); __ li($dst$$Register, -1); // unordered or less -> -1 // TODO: PPC port__ endgroup_if_needed(_size == 20); __ bind(done); %} ins_pipe(pipe_class_compare); %} instruct cmovI_conIvalueMinus1_conIvalue0_conIvalue1_Ex(iRegIdst dst, flagsReg crx) %{ // no match-rule, false predicate effect(DEF dst, USE crx); predicate(false); format %{ "CmovI $crx, $dst, -1, 0, +1 \t// postalloc expanded" %} postalloc_expand %{ // // replaces // // region crx // \ | // dst=cmovI_conIvalueMinus1_conIvalue0_conIvalue1 // // with // // region // \ // dst=loadConI16(0) // | // ^ region crx // | \ | // dst=cmovI_conIvalueMinus1_conIvalue1 // // Create new nodes. MachNode *m1 = new (C) loadConI16Node(); MachNode *m2 = new (C) cmovI_conIvalueMinus1_conIvalue1Node(); // inputs for new nodes m1->add_req(n_region); m2->add_req(n_region, n_crx); m2->add_prec(m1); // operands for new nodes m1->_opnds[0] = op_dst; m1->_opnds[1] = new (C) immI16Oper(0); m2->_opnds[0] = op_dst; m2->_opnds[1] = op_crx; // registers for new nodes ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // dst // Insert new nodes. nodes->push(m1); nodes->push(m2); %} %} // Manifest a CmpL3 result in an integer register. Very painful. // This is the test to avoid. // (src1 < src2) ? -1 : ((src1 > src2) ? 1 : 0) instruct cmpL3_reg_reg_ExEx(iRegIdst dst, iRegLsrc src1, iRegLsrc src2) %{ match(Set dst (CmpL3 src1 src2)); ins_cost(DEFAULT_COST*5+BRANCH_COST); expand %{ flagsReg tmp1; cmpL_reg_reg(tmp1, src1, src2); cmovI_conIvalueMinus1_conIvalue0_conIvalue1_Ex(dst, tmp1); %} %} // Implicit range checks. // A range check in the ideal world has one of the following shapes: // - (If le (CmpU length index)), (IfTrue throw exception) // - (If lt (CmpU index length)), (IfFalse throw exception) // // Match range check 'If le (CmpU length index)'. instruct rangeCheck_iReg_uimm15(cmpOp cmp, iRegIsrc src_length, uimmI15 index, label labl) %{ match(If cmp (CmpU src_length index)); effect(USE labl); predicate(TrapBasedRangeChecks && _kids[0]->_leaf->as_Bool()->_test._test == BoolTest::le && PROB_UNLIKELY(_leaf->as_If()->_prob) >= PROB_ALWAYS && (Matcher::branches_to_uncommon_trap(_leaf))); ins_is_TrapBasedCheckNode(true); format %{ "TWI $index $cmp $src_length \t// RangeCheck => trap $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_twi); if ($cmp$$cmpcode == 0x1 /* less_equal */) { __ trap_range_check_le($src_length$$Register, $index$$constant); } else { // Both successors are uncommon traps, probability is 0. // Node got flipped during fixup flow. assert($cmp$$cmpcode == 0x9, "must be greater"); __ trap_range_check_g($src_length$$Register, $index$$constant); } %} ins_pipe(pipe_class_trap); %} // Match range check 'If lt (CmpU index length)'. instruct rangeCheck_iReg_iReg(cmpOp cmp, iRegIsrc src_index, iRegIsrc src_length, label labl) %{ match(If cmp (CmpU src_index src_length)); effect(USE labl); predicate(TrapBasedRangeChecks && _kids[0]->_leaf->as_Bool()->_test._test == BoolTest::lt && _leaf->as_If()->_prob >= PROB_ALWAYS && (Matcher::branches_to_uncommon_trap(_leaf))); ins_is_TrapBasedCheckNode(true); format %{ "TW $src_index $cmp $src_length \t// RangeCheck => trap $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_tw); if ($cmp$$cmpcode == 0x0 /* greater_equal */) { __ trap_range_check_ge($src_index$$Register, $src_length$$Register); } else { // Both successors are uncommon traps, probability is 0. // Node got flipped during fixup flow. assert($cmp$$cmpcode == 0x8, "must be less"); __ trap_range_check_l($src_index$$Register, $src_length$$Register); } %} ins_pipe(pipe_class_trap); %} // Match range check 'If lt (CmpU index length)'. instruct rangeCheck_uimm15_iReg(cmpOp cmp, iRegIsrc src_index, uimmI15 length, label labl) %{ match(If cmp (CmpU src_index length)); effect(USE labl); predicate(TrapBasedRangeChecks && _kids[0]->_leaf->as_Bool()->_test._test == BoolTest::lt && _leaf->as_If()->_prob >= PROB_ALWAYS && (Matcher::branches_to_uncommon_trap(_leaf))); ins_is_TrapBasedCheckNode(true); format %{ "TWI $src_index $cmp $length \t// RangeCheck => trap $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_twi); if ($cmp$$cmpcode == 0x0 /* greater_equal */) { __ trap_range_check_ge($src_index$$Register, $length$$constant); } else { // Both successors are uncommon traps, probability is 0. // Node got flipped during fixup flow. assert($cmp$$cmpcode == 0x8, "must be less"); __ trap_range_check_l($src_index$$Register, $length$$constant); } %} ins_pipe(pipe_class_trap); %} instruct compU_reg_reg(flagsReg crx, iRegIsrc src1, iRegIsrc src2) %{ match(Set crx (CmpU src1 src2)); format %{ "CMPLW $crx, $src1, $src2 \t// unsigned" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpl); __ cmplw($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct compU_reg_uimm16(flagsReg crx, iRegIsrc src1, uimmI16 src2) %{ match(Set crx (CmpU src1 src2)); size(4); format %{ "CMPLWI $crx, $src1, $src2" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpli); __ cmplwi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} // Implicit zero checks (more implicit null checks). // No constant pool entries required. instruct zeroCheckN_iReg_imm0(cmpOp cmp, iRegNsrc value, immN_0 zero, label labl) %{ match(If cmp (CmpN value zero)); effect(USE labl); predicate(TrapBasedNullChecks && _kids[0]->_leaf->as_Bool()->_test._test == BoolTest::ne && _leaf->as_If()->_prob >= PROB_LIKELY_MAG(4) && Matcher::branches_to_uncommon_trap(_leaf)); ins_cost(1); ins_is_TrapBasedCheckNode(true); format %{ "TDI $value $cmp $zero \t// ZeroCheckN => trap $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_tdi); if ($cmp$$cmpcode == 0xA) { __ trap_null_check($value$$Register); } else { // Both successors are uncommon traps, probability is 0. // Node got flipped during fixup flow. assert($cmp$$cmpcode == 0x2 , "must be equal(0xA) or notEqual(0x2)"); __ trap_null_check($value$$Register, Assembler::traptoGreaterThanUnsigned); } %} ins_pipe(pipe_class_trap); %} // Compare narrow oops. instruct cmpN_reg_reg(flagsReg crx, iRegNsrc src1, iRegNsrc src2) %{ match(Set crx (CmpN src1 src2)); size(4); ins_cost(DEFAULT_COST); format %{ "CMPLW $crx, $src1, $src2 \t// compressed ptr" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpl); __ cmplw($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct cmpN_reg_imm0(flagsReg crx, iRegNsrc src1, immN_0 src2) %{ match(Set crx (CmpN src1 src2)); // Make this more expensive than zeroCheckN_iReg_imm0. ins_cost(DEFAULT_COST); format %{ "CMPLWI $crx, $src1, $src2 \t// compressed ptr" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpli); __ cmplwi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} // Implicit zero checks (more implicit null checks). // No constant pool entries required. instruct zeroCheckP_reg_imm0(cmpOp cmp, iRegP_N2P value, immP_0 zero, label labl) %{ match(If cmp (CmpP value zero)); effect(USE labl); predicate(TrapBasedNullChecks && _kids[0]->_leaf->as_Bool()->_test._test == BoolTest::ne && _leaf->as_If()->_prob >= PROB_LIKELY_MAG(4) && Matcher::branches_to_uncommon_trap(_leaf)); ins_is_TrapBasedCheckNode(true); format %{ "TDI $value $cmp $zero \t// ZeroCheckP => trap $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_tdi); if ($cmp$$cmpcode == 0xA) { __ trap_null_check($value$$Register); } else { // Both successors are uncommon traps, probability is 0. // Node got flipped during fixup flow. assert($cmp$$cmpcode == 0x2 , "must be equal(0xA) or notEqual(0x2)"); __ trap_null_check($value$$Register, Assembler::traptoGreaterThanUnsigned); } %} ins_pipe(pipe_class_trap); %} // Compare Pointers instruct cmpP_reg_reg(flagsReg crx, iRegP_N2P src1, iRegP_N2P src2) %{ match(Set crx (CmpP src1 src2)); format %{ "CMPLD $crx, $src1, $src2 \t// ptr" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpl); __ cmpld($crx$$CondRegister, $src1$$Register, $src2$$Register); %} ins_pipe(pipe_class_compare); %} instruct cmpP_reg_null(flagsReg crx, iRegP_N2P src1, immP_0or1 src2) %{ match(Set crx (CmpP src1 src2)); format %{ "CMPLDI $crx, $src1, $src2 \t// ptr" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpl); __ cmpldi($crx$$CondRegister, $src1$$Register, (int)((short)($src2$$constant & 0xFFFF))); %} ins_pipe(pipe_class_compare); %} // Used in postalloc expand. instruct cmpP_reg_imm16(flagsReg crx, iRegPsrc src1, immL16 src2) %{ // This match rule prevents reordering of node before a safepoint. // This only makes sense if this instructions is used exclusively // for the expansion of EncodeP! match(Set crx (CmpP src1 src2)); predicate(false); format %{ "CMPDI $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmpi); __ cmpdi($crx$$CondRegister, $src1$$Register, $src2$$constant); %} ins_pipe(pipe_class_compare); %} //----------Float Compares---------------------------------------------------- instruct cmpFUnordered_reg_reg(flagsReg crx, regF src1, regF src2) %{ // no match-rule, false predicate effect(DEF crx, USE src1, USE src2); predicate(false); format %{ "cmpFUrd $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fcmpu); __ fcmpu($crx$$CondRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct cmov_bns_less(flagsReg crx) %{ // no match-rule, false predicate effect(DEF crx); predicate(false); ins_variable_size_depending_on_alignment(true); format %{ "cmov $crx" %} // Worst case is branch + move + stop, no stop without scheduler. size(false /* TODO: PPC PORT(InsertEndGroupPPC64 && Compile::current()->do_hb_scheduling())*/ ? 16 : 12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cmovecr); Label done; __ bns($crx$$CondRegister, done); // not unordered -> keep crx __ li(R0, 0); __ cmpwi($crx$$CondRegister, R0, 1); // unordered -> set crx to 'less' // TODO PPC port __ endgroup_if_needed(_size == 16); __ bind(done); %} ins_pipe(pipe_class_default); %} // Compare floating, generate condition code. instruct cmpF_reg_reg_Ex(flagsReg crx, regF src1, regF src2) %{ // FIXME: should we match 'If cmp (CmpF src1 src2))' ?? // // The following code sequence occurs a lot in mpegaudio: // // block BXX: // 0: instruct cmpFUnordered_reg_reg (cmpF_reg_reg-0): // cmpFUrd CCR6, F11, F9 // 4: instruct cmov_bns_less (cmpF_reg_reg-1): // cmov CCR6 // 8: instruct branchConSched: // B_FARle CCR6, B56 P=0.500000 C=-1.000000 match(Set crx (CmpF src1 src2)); ins_cost(DEFAULT_COST+BRANCH_COST); format %{ "CmpF $crx, $src1, $src2 \t// postalloc expanded" %} postalloc_expand %{ // // replaces // // region src1 src2 // \ | | // crx=cmpF_reg_reg // // with // // region src1 src2 // \ | | // crx=cmpFUnordered_reg_reg // | // ^ region // | \ // crx=cmov_bns_less // // Create new nodes. MachNode *m1 = new (C) cmpFUnordered_reg_regNode(); MachNode *m2 = new (C) cmov_bns_lessNode(); // inputs for new nodes m1->add_req(n_region, n_src1, n_src2); m2->add_req(n_region); m2->add_prec(m1); // operands for new nodes m1->_opnds[0] = op_crx; m1->_opnds[1] = op_src1; m1->_opnds[2] = op_src2; m2->_opnds[0] = op_crx; // registers for new nodes ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // crx ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // crx // Insert new nodes. nodes->push(m1); nodes->push(m2); %} %} // Compare float, generate -1,0,1 instruct cmpF3_reg_reg_ExEx(iRegIdst dst, regF src1, regF src2) %{ match(Set dst (CmpF3 src1 src2)); ins_cost(DEFAULT_COST*5+BRANCH_COST); expand %{ flagsReg tmp1; cmpFUnordered_reg_reg(tmp1, src1, src2); cmovI_conIvalueMinus1_conIvalue0_conIvalue1_Ex(dst, tmp1); %} %} instruct cmpDUnordered_reg_reg(flagsReg crx, regD src1, regD src2) %{ // no match-rule, false predicate effect(DEF crx, USE src1, USE src2); predicate(false); format %{ "cmpFUrd $crx, $src1, $src2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fcmpu); __ fcmpu($crx$$CondRegister, $src1$$FloatRegister, $src2$$FloatRegister); %} ins_pipe(pipe_class_default); %} instruct cmpD_reg_reg_Ex(flagsReg crx, regD src1, regD src2) %{ match(Set crx (CmpD src1 src2)); ins_cost(DEFAULT_COST+BRANCH_COST); format %{ "CmpD $crx, $src1, $src2 \t// postalloc expanded" %} postalloc_expand %{ // // replaces // // region src1 src2 // \ | | // crx=cmpD_reg_reg // // with // // region src1 src2 // \ | | // crx=cmpDUnordered_reg_reg // | // ^ region // | \ // crx=cmov_bns_less // // create new nodes MachNode *m1 = new (C) cmpDUnordered_reg_regNode(); MachNode *m2 = new (C) cmov_bns_lessNode(); // inputs for new nodes m1->add_req(n_region, n_src1, n_src2); m2->add_req(n_region); m2->add_prec(m1); // operands for new nodes m1->_opnds[0] = op_crx; m1->_opnds[1] = op_src1; m1->_opnds[2] = op_src2; m2->_opnds[0] = op_crx; // registers for new nodes ra_->set_pair(m1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // crx ra_->set_pair(m2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this)); // crx // Insert new nodes. nodes->push(m1); nodes->push(m2); %} %} // Compare double, generate -1,0,1 instruct cmpD3_reg_reg_ExEx(iRegIdst dst, regD src1, regD src2) %{ match(Set dst (CmpD3 src1 src2)); ins_cost(DEFAULT_COST*5+BRANCH_COST); expand %{ flagsReg tmp1; cmpDUnordered_reg_reg(tmp1, src1, src2); cmovI_conIvalueMinus1_conIvalue0_conIvalue1_Ex(dst, tmp1); %} %} //----------Branches--------------------------------------------------------- // Jump // Direct Branch. instruct branch(label labl) %{ match(Goto); effect(USE labl); ins_cost(BRANCH_COST); format %{ "B $labl" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_b); Label d; // dummy __ bind(d); Label* p = $labl$$label; // `p' is `NULL' when this encoding class is used only to // determine the size of the encoded instruction. Label& l = (NULL == p)? d : *(p); __ b(l); %} ins_pipe(pipe_class_default); %} // Conditional Near Branch instruct branchCon(cmpOp cmp, flagsReg crx, label lbl) %{ // Same match rule as `branchConFar'. match(If cmp crx); effect(USE lbl); ins_cost(BRANCH_COST); // If set to 1 this indicates that the current instruction is a // short variant of a long branch. This avoids using this // instruction in first-pass matching. It will then only be used in // the `Shorten_branches' pass. ins_short_branch(1); format %{ "B$cmp $crx, $lbl" %} size(4); ins_encode( enc_bc(crx, cmp, lbl) ); ins_pipe(pipe_class_default); %} // This is for cases when the ppc64 `bc' instruction does not // reach far enough. So we emit a far branch here, which is more // expensive. // // Conditional Far Branch instruct branchConFar(cmpOp cmp, flagsReg crx, label lbl) %{ // Same match rule as `branchCon'. match(If cmp crx); effect(USE crx, USE lbl); predicate(!false /* TODO: PPC port HB_Schedule*/); // Higher cost than `branchCon'. ins_cost(5*BRANCH_COST); // This is not a short variant of a branch, but the long variant. ins_short_branch(0); format %{ "B_FAR$cmp $crx, $lbl" %} size(8); ins_encode( enc_bc_far(crx, cmp, lbl) ); ins_pipe(pipe_class_default); %} // Conditional Branch used with Power6 scheduler (can be far or short). instruct branchConSched(cmpOp cmp, flagsReg crx, label lbl) %{ // Same match rule as `branchCon'. match(If cmp crx); effect(USE crx, USE lbl); predicate(false /* TODO: PPC port HB_Schedule*/); // Higher cost than `branchCon'. ins_cost(5*BRANCH_COST); // Actually size doesn't depend on alignment but on shortening. ins_variable_size_depending_on_alignment(true); // long variant. ins_short_branch(0); format %{ "B_FAR$cmp $crx, $lbl" %} size(8); // worst case ins_encode( enc_bc_short_far(crx, cmp, lbl) ); ins_pipe(pipe_class_default); %} instruct branchLoopEnd(cmpOp cmp, flagsReg crx, label labl) %{ match(CountedLoopEnd cmp crx); effect(USE labl); ins_cost(BRANCH_COST); // short variant. ins_short_branch(1); format %{ "B$cmp $crx, $labl \t// counted loop end" %} size(4); ins_encode( enc_bc(crx, cmp, labl) ); ins_pipe(pipe_class_default); %} instruct branchLoopEndFar(cmpOp cmp, flagsReg crx, label labl) %{ match(CountedLoopEnd cmp crx); effect(USE labl); predicate(!false /* TODO: PPC port HB_Schedule */); ins_cost(BRANCH_COST); // Long variant. ins_short_branch(0); format %{ "B_FAR$cmp $crx, $labl \t// counted loop end" %} size(8); ins_encode( enc_bc_far(crx, cmp, labl) ); ins_pipe(pipe_class_default); %} // Conditional Branch used with Power6 scheduler (can be far or short). instruct branchLoopEndSched(cmpOp cmp, flagsReg crx, label labl) %{ match(CountedLoopEnd cmp crx); effect(USE labl); predicate(false /* TODO: PPC port HB_Schedule */); // Higher cost than `branchCon'. ins_cost(5*BRANCH_COST); // Actually size doesn't depend on alignment but on shortening. ins_variable_size_depending_on_alignment(true); // Long variant. ins_short_branch(0); format %{ "B_FAR$cmp $crx, $labl \t// counted loop end" %} size(8); // worst case ins_encode( enc_bc_short_far(crx, cmp, labl) ); ins_pipe(pipe_class_default); %} // ============================================================================ // Java runtime operations, intrinsics and other complex operations. // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass // array for an instance of the superklass. Set a hidden internal cache on a // hit (cache is checked with exposed code in gen_subtype_check()). Return // not zero for a miss or zero for a hit. The encoding ALSO sets flags. // // GL TODO: Improve this. // - result should not be a TEMP // - Add match rule as on sparc avoiding additional Cmp. instruct partialSubtypeCheck(iRegPdst result, iRegP_N2P subklass, iRegP_N2P superklass, iRegPdst tmp_klass, iRegPdst tmp_arrayptr) %{ match(Set result (PartialSubtypeCheck subklass superklass)); effect(TEMP result, TEMP tmp_klass, TEMP tmp_arrayptr); ins_cost(DEFAULT_COST*10); format %{ "PartialSubtypeCheck $result = ($subklass instanceOf $superklass) tmp: $tmp_klass, $tmp_arrayptr" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ check_klass_subtype_slow_path($subklass$$Register, $superklass$$Register, $tmp_arrayptr$$Register, $tmp_klass$$Register, NULL, $result$$Register); %} ins_pipe(pipe_class_default); %} // inlined locking and unlocking instruct cmpFastLock(flagsReg crx, iRegPdst oop, iRegPdst box, iRegPdst tmp1, iRegPdst tmp2, iRegPdst tmp3) %{ match(Set crx (FastLock oop box)); effect(TEMP tmp1, TEMP tmp2, TEMP tmp3); // TODO PPC port predicate(!UseNewFastLockPPC64 || UseBiasedLocking); format %{ "FASTLOCK $oop, $box, $tmp1, $tmp2, $tmp3" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ compiler_fast_lock_object($crx$$CondRegister, $oop$$Register, $box$$Register, $tmp3$$Register, $tmp1$$Register, $tmp2$$Register); // If locking was successfull, crx should indicate 'EQ'. // The compiler generates a branch to the runtime call to // _complete_monitor_locking_Java for the case where crx is 'NE'. %} ins_pipe(pipe_class_compare); %} instruct cmpFastUnlock(flagsReg crx, iRegPdst oop, iRegPdst box, iRegPdst tmp1, iRegPdst tmp2, iRegPdst tmp3) %{ match(Set crx (FastUnlock oop box)); effect(TEMP tmp1, TEMP tmp2, TEMP tmp3); format %{ "FASTUNLOCK $oop, $box, $tmp1, $tmp2" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ compiler_fast_unlock_object($crx$$CondRegister, $oop$$Register, $box$$Register, $tmp3$$Register, $tmp1$$Register, $tmp2$$Register); // If unlocking was successfull, crx should indicate 'EQ'. // The compiler generates a branch to the runtime call to // _complete_monitor_unlocking_Java for the case where crx is 'NE'. %} ins_pipe(pipe_class_compare); %} // Align address. instruct align_addr(iRegPdst dst, iRegPsrc src, immLnegpow2 mask) %{ match(Set dst (CastX2P (AndL (CastP2X src) mask))); format %{ "ANDDI $dst, $src, $mask \t// next aligned address" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldicr); __ clrrdi($dst$$Register, $src$$Register, log2_long((jlong)-$mask$$constant)); %} ins_pipe(pipe_class_default); %} // Array size computation. instruct array_size(iRegLdst dst, iRegPsrc end, iRegPsrc start) %{ match(Set dst (SubL (CastP2X end) (CastP2X start))); format %{ "SUB $dst, $end, $start \t// array size in bytes" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_subf); __ subf($dst$$Register, $start$$Register, $end$$Register); %} ins_pipe(pipe_class_default); %} // Clear-array with dynamic array-size. instruct inlineCallClearArray(rarg1RegL cnt, rarg2RegP base, Universe dummy, regCTR ctr) %{ match(Set dummy (ClearArray cnt base)); effect(USE_KILL cnt, USE_KILL base, KILL ctr); ins_cost(MEMORY_REF_COST); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "ClearArray $cnt, $base" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ clear_memory_doubleword($base$$Register, $cnt$$Register); // kills cnt, base, R0 %} ins_pipe(pipe_class_default); %} // String_IndexOf for needle of length 1. // // Match needle into immediate operands: no loadConP node needed. Saves one // register and two instructions over string_indexOf_imm1Node. // // Assumes register result differs from all input registers. // // Preserves registers haystack, haycnt // Kills registers tmp1, tmp2 // Defines registers result // // Use dst register classes if register gets killed, as it is the case for tmp registers! // // Unfortunately this does not match too often. In many situations the AddP is used // by several nodes, even several StrIndexOf nodes, breaking the match tree. instruct string_indexOf_imm1_char(iRegIdst result, iRegPsrc haystack, iRegIsrc haycnt, immP needleImm, immL offsetImm, immI_1 needlecntImm, iRegIdst tmp1, iRegIdst tmp2, flagsRegCR0 cr0, flagsRegCR1 cr1) %{ predicate(SpecialStringIndexOf); // type check implicit by parameter type, See Matcher::match_rule_supported match(Set result (StrIndexOf (Binary haystack haycnt) (Binary (AddP needleImm offsetImm) needlecntImm))); effect(TEMP result, TEMP tmp1, TEMP tmp2, KILL cr0, KILL cr1); ins_cost(150); format %{ "String IndexOf CSCL1 $haystack[0..$haycnt], $needleImm+$offsetImm[0..$needlecntImm]" "-> $result \t// KILL $haycnt, $tmp1, $tmp2, $cr0, $cr1" %} ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); immPOper *needleOper = (immPOper *)$needleImm; const TypeOopPtr *t = needleOper->type()->isa_oopptr(); ciTypeArray* needle_values = t->const_oop()->as_type_array(); // Pointer to live char * __ string_indexof_1($result$$Register, $haystack$$Register, $haycnt$$Register, R0, needle_values->char_at(0), $tmp1$$Register, $tmp2$$Register); %} ins_pipe(pipe_class_compare); %} // String_IndexOf for needle of length 1. // // Special case requires less registers and emits less instructions. // // Assumes register result differs from all input registers. // // Preserves registers haystack, haycnt // Kills registers tmp1, tmp2, needle // Defines registers result // // Use dst register classes if register gets killed, as it is the case for tmp registers! instruct string_indexOf_imm1(iRegIdst result, iRegPsrc haystack, iRegIsrc haycnt, rscratch2RegP needle, immI_1 needlecntImm, iRegIdst tmp1, iRegIdst tmp2, flagsRegCR0 cr0, flagsRegCR1 cr1) %{ match(Set result (StrIndexOf (Binary haystack haycnt) (Binary needle needlecntImm))); effect(USE_KILL needle, /* TDEF needle, */ TEMP result, TEMP tmp1, TEMP tmp2); // Required for EA: check if it is still a type_array. predicate(SpecialStringIndexOf && n->in(3)->in(1)->bottom_type()->is_aryptr()->const_oop() && n->in(3)->in(1)->bottom_type()->is_aryptr()->const_oop()->is_type_array()); ins_cost(180); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String IndexOf SCL1 $haystack[0..$haycnt], $needle[0..$needlecntImm]" " -> $result \t// KILL $haycnt, $needle, $tmp1, $tmp2, $cr0, $cr1" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); Node *ndl = in(operand_index($needle)); // The node that defines needle. ciTypeArray* needle_values = ndl->bottom_type()->is_aryptr()->const_oop()->as_type_array(); guarantee(needle_values, "sanity"); if (needle_values != NULL) { __ string_indexof_1($result$$Register, $haystack$$Register, $haycnt$$Register, R0, needle_values->char_at(0), $tmp1$$Register, $tmp2$$Register); } else { __ string_indexof_1($result$$Register, $haystack$$Register, $haycnt$$Register, $needle$$Register, 0, $tmp1$$Register, $tmp2$$Register); } %} ins_pipe(pipe_class_compare); %} // String_IndexOf. // // Length of needle as immediate. This saves instruction loading constant needle // length. // @@@ TODO Specify rules for length < 8 or so, and roll out comparison of needle // completely or do it in vector instruction. This should save registers for // needlecnt and needle. // // Assumes register result differs from all input registers. // Overwrites haycnt, needlecnt. // Use dst register classes if register gets killed, as it is the case for tmp registers! instruct string_indexOf_imm(iRegIdst result, iRegPsrc haystack, rscratch1RegI haycnt, iRegPsrc needle, uimmI15 needlecntImm, iRegIdst tmp1, iRegIdst tmp2, iRegIdst tmp3, iRegIdst tmp4, iRegIdst tmp5, flagsRegCR0 cr0, flagsRegCR1 cr1, flagsRegCR6 cr6) %{ match(Set result (StrIndexOf (Binary haystack haycnt) (Binary needle needlecntImm))); effect(USE_KILL haycnt, /* better: TDEF haycnt, */ TEMP result, TEMP tmp1, TEMP tmp2, TEMP tmp3, TEMP tmp4, TEMP tmp5, KILL cr0, KILL cr1, KILL cr6); // Required for EA: check if it is still a type_array. predicate(SpecialStringIndexOf && n->in(3)->in(1)->bottom_type()->is_aryptr()->const_oop() && n->in(3)->in(1)->bottom_type()->is_aryptr()->const_oop()->is_type_array()); ins_cost(250); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String IndexOf SCL $haystack[0..$haycnt], $needle[0..$needlecntImm]" " -> $result \t// KILL $haycnt, $tmp1, $tmp2, $tmp3, $tmp4, $tmp5, $cr0, $cr1" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); Node *ndl = in(operand_index($needle)); // The node that defines needle. ciTypeArray* needle_values = ndl->bottom_type()->is_aryptr()->const_oop()->as_type_array(); __ string_indexof($result$$Register, $haystack$$Register, $haycnt$$Register, $needle$$Register, needle_values, $tmp5$$Register, $needlecntImm$$constant, $tmp1$$Register, $tmp2$$Register, $tmp3$$Register, $tmp4$$Register); %} ins_pipe(pipe_class_compare); %} // StrIndexOf node. // // Assumes register result differs from all input registers. // Overwrites haycnt, needlecnt. // Use dst register classes if register gets killed, as it is the case for tmp registers! instruct string_indexOf(iRegIdst result, iRegPsrc haystack, rscratch1RegI haycnt, iRegPsrc needle, rscratch2RegI needlecnt, iRegLdst tmp1, iRegLdst tmp2, iRegLdst tmp3, iRegLdst tmp4, flagsRegCR0 cr0, flagsRegCR1 cr1, flagsRegCR6 cr6) %{ match(Set result (StrIndexOf (Binary haystack haycnt) (Binary needle needlecnt))); effect(USE_KILL haycnt, USE_KILL needlecnt, /*better: TDEF haycnt, TDEF needlecnt,*/ TEMP result, TEMP tmp1, TEMP tmp2, TEMP tmp3, TEMP tmp4, KILL cr0, KILL cr1, KILL cr6); predicate(SpecialStringIndexOf); // See Matcher::match_rule_supported. ins_cost(300); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String IndexOf $haystack[0..$haycnt], $needle[0..$needlecnt]" " -> $result \t// KILL $haycnt, $needlecnt, $tmp1, $tmp2, $tmp3, $tmp4, $cr0, $cr1" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ string_indexof($result$$Register, $haystack$$Register, $haycnt$$Register, $needle$$Register, NULL, $needlecnt$$Register, 0, // needlecnt not constant. $tmp1$$Register, $tmp2$$Register, $tmp3$$Register, $tmp4$$Register); %} ins_pipe(pipe_class_compare); %} // String equals with immediate. instruct string_equals_imm(iRegPsrc str1, iRegPsrc str2, uimmI15 cntImm, iRegIdst result, iRegPdst tmp1, iRegPdst tmp2, flagsRegCR0 cr0, flagsRegCR6 cr6, regCTR ctr) %{ match(Set result (StrEquals (Binary str1 str2) cntImm)); effect(TEMP result, TEMP tmp1, TEMP tmp2, KILL cr0, KILL cr6, KILL ctr); predicate(SpecialStringEquals); // See Matcher::match_rule_supported. ins_cost(250); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String Equals SCL [0..$cntImm]($str1),[0..$cntImm]($str2)" " -> $result \t// KILL $cr0, $cr6, $ctr, TEMP $result, $tmp1, $tmp2" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ char_arrays_equalsImm($str1$$Register, $str2$$Register, $cntImm$$constant, $result$$Register, $tmp1$$Register, $tmp2$$Register); %} ins_pipe(pipe_class_compare); %} // String equals. // Use dst register classes if register gets killed, as it is the case for TEMP operands! instruct string_equals(iRegPsrc str1, iRegPsrc str2, iRegIsrc cnt, iRegIdst result, iRegPdst tmp1, iRegPdst tmp2, iRegPdst tmp3, iRegPdst tmp4, iRegPdst tmp5, flagsRegCR0 cr0, flagsRegCR1 cr1, flagsRegCR6 cr6, regCTR ctr) %{ match(Set result (StrEquals (Binary str1 str2) cnt)); effect(TEMP result, TEMP tmp1, TEMP tmp2, TEMP tmp3, TEMP tmp4, TEMP tmp5, KILL cr0, KILL cr1, KILL cr6, KILL ctr); predicate(SpecialStringEquals); // See Matcher::match_rule_supported. ins_cost(300); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String Equals [0..$cnt]($str1),[0..$cnt]($str2) -> $result" " \t// KILL $cr0, $cr1, $cr6, $ctr, TEMP $result, $tmp1, $tmp2, $tmp3, $tmp4, $tmp5" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ char_arrays_equals($str1$$Register, $str2$$Register, $cnt$$Register, $result$$Register, $tmp1$$Register, $tmp2$$Register, $tmp3$$Register, $tmp4$$Register, $tmp5$$Register); %} ins_pipe(pipe_class_compare); %} // String compare. // Char[] pointers are passed in. // Use dst register classes if register gets killed, as it is the case for TEMP operands! instruct string_compare(rarg1RegP str1, rarg2RegP str2, rarg3RegI cnt1, rarg4RegI cnt2, iRegIdst result, iRegPdst tmp, flagsRegCR0 cr0, regCTR ctr) %{ match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2))); effect(USE_KILL cnt1, USE_KILL cnt2, USE_KILL str1, USE_KILL str2, TEMP result, TEMP tmp, KILL cr0, KILL ctr); ins_cost(300); ins_alignment(8); // 'compute_padding()' gets called, up to this number-1 nops will get inserted. format %{ "String Compare $str1[0..$cnt1], $str2[0..$cnt2] -> $result" " \t// TEMP $tmp, $result KILLs $str1, $cnt1, $str2, $cnt2, $cr0, $ctr" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ string_compare($str1$$Register, $str2$$Register, $cnt1$$Register, $cnt2$$Register, $result$$Register, $tmp$$Register); %} ins_pipe(pipe_class_compare); %} //---------- Min/Max Instructions --------------------------------------------- instruct minI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (MinI src1 src2)); ins_cost(DEFAULT_COST*6); expand %{ iRegLdst src1s; iRegLdst src2s; iRegLdst diff; iRegLdst sm; iRegLdst doz; // difference or zero convI2L_reg(src1s, src1); // Ensure proper sign extension. convI2L_reg(src2s, src2); // Ensure proper sign extension. subL_reg_reg(diff, src2s, src1s); // Need to consider >=33 bit result, therefore we need signmaskL. signmask64L_regL(sm, diff); andL_reg_reg(doz, diff, sm); // <=0 addI_regL_regL(dst, doz, src1s); %} %} instruct maxI_reg_reg_Ex(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{ match(Set dst (MaxI src1 src2)); ins_cost(DEFAULT_COST*6); expand %{ iRegLdst src1s; iRegLdst src2s; iRegLdst diff; iRegLdst sm; iRegLdst doz; // difference or zero convI2L_reg(src1s, src1); // Ensure proper sign extension. convI2L_reg(src2s, src2); // Ensure proper sign extension. subL_reg_reg(diff, src2s, src1s); // Need to consider >=33 bit result, therefore we need signmaskL. signmask64L_regL(sm, diff); andcL_reg_reg(doz, diff, sm); // >=0 addI_regL_regL(dst, doz, src1s); %} %} //---------- Population Count Instructions ------------------------------------ // Popcnt for Power7. instruct popCountI(iRegIdst dst, iRegIsrc src) %{ match(Set dst (PopCountI src)); predicate(UsePopCountInstruction && VM_Version::has_popcntw()); ins_cost(DEFAULT_COST); format %{ "POPCNTW $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_popcntb); __ popcntw($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} // Popcnt for Power7. instruct popCountL(iRegIdst dst, iRegLsrc src) %{ predicate(UsePopCountInstruction && VM_Version::has_popcntw()); match(Set dst (PopCountL src)); ins_cost(DEFAULT_COST); format %{ "POPCNTD $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_popcntb); __ popcntd($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct countLeadingZerosI(iRegIdst dst, iRegIsrc src) %{ match(Set dst (CountLeadingZerosI src)); predicate(UseCountLeadingZerosInstructionsPPC64); // See Matcher::match_rule_supported. ins_cost(DEFAULT_COST); format %{ "CNTLZW $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cntlzw); __ cntlzw($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct countLeadingZerosL(iRegIdst dst, iRegLsrc src) %{ match(Set dst (CountLeadingZerosL src)); predicate(UseCountLeadingZerosInstructionsPPC64); // See Matcher::match_rule_supported. ins_cost(DEFAULT_COST); format %{ "CNTLZD $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cntlzd); __ cntlzd($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct countLeadingZerosP(iRegIdst dst, iRegPsrc src) %{ // no match-rule, false predicate effect(DEF dst, USE src); predicate(false); format %{ "CNTLZD $dst, $src" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_cntlzd); __ cntlzd($dst$$Register, $src$$Register); %} ins_pipe(pipe_class_default); %} instruct countTrailingZerosI_Ex(iRegIdst dst, iRegIsrc src) %{ match(Set dst (CountTrailingZerosI src)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI16 imm1 %{ (int)-1 %} immI16 imm2 %{ (int)32 %} immI_minus1 m1 %{ -1 %} iRegIdst tmpI1; iRegIdst tmpI2; iRegIdst tmpI3; addI_reg_imm16(tmpI1, src, imm1); andcI_reg_reg(tmpI2, src, m1, tmpI1); countLeadingZerosI(tmpI3, tmpI2); subI_imm16_reg(dst, imm2, tmpI3); %} %} instruct countTrailingZerosL_Ex(iRegIdst dst, iRegLsrc src) %{ match(Set dst (CountTrailingZerosL src)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immL16 imm1 %{ (long)-1 %} immI16 imm2 %{ (int)64 %} iRegLdst tmpL1; iRegLdst tmpL2; iRegIdst tmpL3; addL_reg_imm16(tmpL1, src, imm1); andcL_reg_reg(tmpL2, tmpL1, src); countLeadingZerosL(tmpL3, tmpL2); subI_imm16_reg(dst, imm2, tmpL3); %} %} // Expand nodes for byte_reverse_int. instruct insrwi_a(iRegIdst dst, iRegIsrc src, immI16 pos, immI16 shift) %{ effect(DEF dst, USE src, USE pos, USE shift); predicate(false); format %{ "INSRWI $dst, $src, $pos, $shift" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwimi); __ insrwi($dst$$Register, $src$$Register, $shift$$constant, $pos$$constant); %} ins_pipe(pipe_class_default); %} // As insrwi_a, but with USE_DEF. instruct insrwi(iRegIdst dst, iRegIsrc src, immI16 pos, immI16 shift) %{ effect(USE_DEF dst, USE src, USE pos, USE shift); predicate(false); format %{ "INSRWI $dst, $src, $pos, $shift" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rlwimi); __ insrwi($dst$$Register, $src$$Register, $shift$$constant, $pos$$constant); %} ins_pipe(pipe_class_default); %} // Just slightly faster than java implementation. instruct bytes_reverse_int_Ex(iRegIdst dst, iRegIsrc src) %{ match(Set dst (ReverseBytesI src)); predicate(UseCountLeadingZerosInstructionsPPC64); ins_cost(DEFAULT_COST); expand %{ immI16 imm24 %{ (int) 24 %} immI16 imm16 %{ (int) 16 %} immI16 imm8 %{ (int) 8 %} immI16 imm4 %{ (int) 4 %} immI16 imm0 %{ (int) 0 %} iRegLdst tmpI1; iRegLdst tmpI2; iRegLdst tmpI3; urShiftI_reg_imm(tmpI1, src, imm24); insrwi_a(dst, tmpI1, imm24, imm8); urShiftI_reg_imm(tmpI2, src, imm16); insrwi(dst, tmpI2, imm8, imm16); urShiftI_reg_imm(tmpI3, src, imm8); insrwi(dst, tmpI3, imm8, imm8); insrwi(dst, src, imm0, imm8); %} %} //---------- Replicate Vector Instructions ------------------------------------ // Insrdi does replicate if src == dst. instruct repl32(iRegLdst dst) %{ predicate(false); effect(USE_DEF dst); format %{ "INSRDI $dst, #0, $dst, #32 \t// replicate" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldimi); __ insrdi($dst$$Register, $dst$$Register, 32, 0); %} ins_pipe(pipe_class_default); %} // Insrdi does replicate if src == dst. instruct repl48(iRegLdst dst) %{ predicate(false); effect(USE_DEF dst); format %{ "INSRDI $dst, #0, $dst, #48 \t// replicate" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldimi); __ insrdi($dst$$Register, $dst$$Register, 48, 0); %} ins_pipe(pipe_class_default); %} // Insrdi does replicate if src == dst. instruct repl56(iRegLdst dst) %{ predicate(false); effect(USE_DEF dst); format %{ "INSRDI $dst, #0, $dst, #56 \t// replicate" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_rldimi); __ insrdi($dst$$Register, $dst$$Register, 56, 0); %} ins_pipe(pipe_class_default); %} instruct repl8B_reg_Ex(iRegLdst dst, iRegIsrc src) %{ match(Set dst (ReplicateB src)); predicate(n->as_Vector()->length() == 8); expand %{ moveReg(dst, src); repl56(dst); repl48(dst); repl32(dst); %} %} instruct repl8B_immI0(iRegLdst dst, immI_0 zero) %{ match(Set dst (ReplicateB zero)); predicate(n->as_Vector()->length() == 8); format %{ "LI $dst, #0 \t// replicate8B" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($zero$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} instruct repl8B_immIminus1(iRegLdst dst, immI_minus1 src) %{ match(Set dst (ReplicateB src)); predicate(n->as_Vector()->length() == 8); format %{ "LI $dst, #-1 \t// replicate8B" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} instruct repl4S_reg_Ex(iRegLdst dst, iRegIsrc src) %{ match(Set dst (ReplicateS src)); predicate(n->as_Vector()->length() == 4); expand %{ moveReg(dst, src); repl48(dst); repl32(dst); %} %} instruct repl4S_immI0(iRegLdst dst, immI_0 zero) %{ match(Set dst (ReplicateS zero)); predicate(n->as_Vector()->length() == 4); format %{ "LI $dst, #0 \t// replicate4C" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($zero$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} instruct repl4S_immIminus1(iRegLdst dst, immI_minus1 src) %{ match(Set dst (ReplicateS src)); predicate(n->as_Vector()->length() == 4); format %{ "LI $dst, -1 \t// replicate4C" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} instruct repl2I_reg_Ex(iRegLdst dst, iRegIsrc src) %{ match(Set dst (ReplicateI src)); predicate(n->as_Vector()->length() == 2); ins_cost(2 * DEFAULT_COST); expand %{ moveReg(dst, src); repl32(dst); %} %} instruct repl2I_immI0(iRegLdst dst, immI_0 zero) %{ match(Set dst (ReplicateI zero)); predicate(n->as_Vector()->length() == 2); format %{ "LI $dst, #0 \t// replicate4C" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($zero$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} instruct repl2I_immIminus1(iRegLdst dst, immI_minus1 src) %{ match(Set dst (ReplicateI src)); predicate(n->as_Vector()->length() == 2); format %{ "LI $dst, -1 \t// replicate4C" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, (int)((short)($src$$constant & 0xFFFF))); %} ins_pipe(pipe_class_default); %} // Move float to int register via stack, replicate. instruct repl2F_reg_Ex(iRegLdst dst, regF src) %{ match(Set dst (ReplicateF src)); predicate(n->as_Vector()->length() == 2); ins_cost(2 * MEMORY_REF_COST + DEFAULT_COST); expand %{ stackSlotL tmpS; iRegIdst tmpI; moveF2I_reg_stack(tmpS, src); // Move float to stack. moveF2I_stack_reg(tmpI, tmpS); // Move stack to int reg. moveReg(dst, tmpI); // Move int to long reg. repl32(dst); // Replicate bitpattern. %} %} // Replicate scalar constant to packed float values in Double register instruct repl2F_immF_Ex(iRegLdst dst, immF src) %{ match(Set dst (ReplicateF src)); predicate(n->as_Vector()->length() == 2); ins_cost(5 * DEFAULT_COST); format %{ "LD $dst, offset, $constanttablebase\t// load replicated float $src $src from table, postalloc expanded" %} postalloc_expand( postalloc_expand_load_replF_constant(dst, src, constanttablebase) ); %} // Replicate scalar zero constant to packed float values in Double register instruct repl2F_immF0(iRegLdst dst, immF_0 zero) %{ match(Set dst (ReplicateF zero)); predicate(n->as_Vector()->length() == 2); format %{ "LI $dst, #0 \t// replicate2F" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_addi); __ li($dst$$Register, 0x0); %} ins_pipe(pipe_class_default); %} // ============================================================================ // Safepoint Instruction instruct safePoint_poll(iRegPdst poll) %{ match(SafePoint poll); predicate(LoadPollAddressFromThread); // It caused problems to add the effect that r0 is killed, but this // effect no longer needs to be mentioned, since r0 is not contained // in a reg_class. format %{ "LD R0, #0, $poll \t// Safepoint poll for GC" %} size(4); ins_encode( enc_poll(0x0, poll) ); ins_pipe(pipe_class_default); %} // Safepoint without per-thread support. Load address of page to poll // as constant. // Rscratch2RegP is R12. // LoadConPollAddr node is added in pd_post_matching_hook(). It must be // a seperate node so that the oop map is at the right location. instruct safePoint_poll_conPollAddr(rscratch2RegP poll) %{ match(SafePoint poll); predicate(!LoadPollAddressFromThread); // It caused problems to add the effect that r0 is killed, but this // effect no longer needs to be mentioned, since r0 is not contained // in a reg_class. format %{ "LD R0, #0, R12 \t// Safepoint poll for GC" %} ins_encode( enc_poll(0x0, poll) ); ins_pipe(pipe_class_default); %} // ============================================================================ // Call Instructions // Call Java Static Instruction // Schedulable version of call static node. instruct CallStaticJavaDirect(method meth) %{ match(CallStaticJava); effect(USE meth); predicate(!((CallStaticJavaNode*)n)->is_method_handle_invoke()); ins_cost(CALL_COST); ins_num_consts(3 /* up to 3 patchable constants: inline cache, 2 call targets. */); format %{ "CALL,static $meth \t// ==> " %} size(4); ins_encode( enc_java_static_call(meth) ); ins_pipe(pipe_class_call); %} // Schedulable version of call static node. instruct CallStaticJavaDirectHandle(method meth) %{ match(CallStaticJava); effect(USE meth); predicate(((CallStaticJavaNode*)n)->is_method_handle_invoke()); ins_cost(CALL_COST); ins_num_consts(3 /* up to 3 patchable constants: inline cache, 2 call targets. */); format %{ "CALL,static $meth \t// ==> " %} ins_encode( enc_java_handle_call(meth) ); ins_pipe(pipe_class_call); %} // Call Java Dynamic Instruction // Used by postalloc expand of CallDynamicJavaDirectSchedEx (actual call). // Loading of IC was postalloc expanded. The nodes loading the IC are reachable // via fields ins_field_load_ic_hi_node and ins_field_load_ic_node. // The call destination must still be placed in the constant pool. instruct CallDynamicJavaDirectSched(method meth) %{ match(CallDynamicJava); // To get all the data fields we need ... effect(USE meth); predicate(false); // ... but never match. ins_field_load_ic_hi_node(loadConL_hiNode*); ins_field_load_ic_node(loadConLNode*); ins_num_consts(1 /* 1 patchable constant: call destination */); format %{ "BL \t// dynamic $meth ==> " %} size(4); ins_encode( enc_java_dynamic_call_sched(meth) ); ins_pipe(pipe_class_call); %} // Schedulable (i.e. postalloc expanded) version of call dynamic java. // We use postalloc expanded calls if we use inline caches // and do not update method data. // // This instruction has two constants: inline cache (IC) and call destination. // Loading the inline cache will be postalloc expanded, thus leaving a call with // one constant. instruct CallDynamicJavaDirectSched_Ex(method meth) %{ match(CallDynamicJava); effect(USE meth); predicate(UseInlineCaches); ins_cost(CALL_COST); ins_num_consts(2 /* 2 patchable constants: inline cache, call destination. */); format %{ "CALL,dynamic $meth \t// postalloc expanded" %} postalloc_expand( postalloc_expand_java_dynamic_call_sched(meth, constanttablebase) ); %} // Compound version of call dynamic java // We use postalloc expanded calls if we use inline caches // and do not update method data. instruct CallDynamicJavaDirect(method meth) %{ match(CallDynamicJava); effect(USE meth); predicate(!UseInlineCaches); ins_cost(CALL_COST); // Enc_java_to_runtime_call needs up to 4 constants (method data oop). ins_num_consts(4); format %{ "CALL,dynamic $meth \t// ==> " %} ins_encode( enc_java_dynamic_call(meth, constanttablebase) ); ins_pipe(pipe_class_call); %} // Call Runtime Instruction instruct CallRuntimeDirect(method meth) %{ match(CallRuntime); effect(USE meth); ins_cost(CALL_COST); // Enc_java_to_runtime_call needs up to 3 constants: call target, // env for callee, C-toc. ins_num_consts(3); format %{ "CALL,runtime" %} ins_encode( enc_java_to_runtime_call(meth) ); ins_pipe(pipe_class_call); %} // Call Leaf // Used by postalloc expand of CallLeafDirect_Ex (mtctr). instruct CallLeafDirect_mtctr(iRegLdst dst, iRegLsrc src) %{ effect(DEF dst, USE src); ins_num_consts(1); format %{ "MTCTR $src" %} size(4); ins_encode( enc_leaf_call_mtctr(src) ); ins_pipe(pipe_class_default); %} // Used by postalloc expand of CallLeafDirect_Ex (actual call). instruct CallLeafDirect(method meth) %{ match(CallLeaf); // To get the data all the data fields we need ... effect(USE meth); predicate(false); // but never match. format %{ "BCTRL \t// leaf call $meth ==> " %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_bctrl); __ bctrl(); %} ins_pipe(pipe_class_call); %} // postalloc expand of CallLeafDirect. // Load adress to call from TOC, then bl to it. instruct CallLeafDirect_Ex(method meth) %{ match(CallLeaf); effect(USE meth); ins_cost(CALL_COST); // Postalloc_expand_java_to_runtime_call needs up to 3 constants: call target, // env for callee, C-toc. ins_num_consts(3); format %{ "CALL,runtime leaf $meth \t// postalloc expanded" %} postalloc_expand( postalloc_expand_java_to_runtime_call(meth, constanttablebase) ); %} // Call runtime without safepoint - same as CallLeaf. // postalloc expand of CallLeafNoFPDirect. // Load adress to call from TOC, then bl to it. instruct CallLeafNoFPDirect_Ex(method meth) %{ match(CallLeafNoFP); effect(USE meth); ins_cost(CALL_COST); // Enc_java_to_runtime_call needs up to 3 constants: call target, // env for callee, C-toc. ins_num_consts(3); format %{ "CALL,runtime leaf nofp $meth \t// postalloc expanded" %} postalloc_expand( postalloc_expand_java_to_runtime_call(meth, constanttablebase) ); %} // Tail Call; Jump from runtime stub to Java code. // Also known as an 'interprocedural jump'. // Target of jump will eventually return to caller. // TailJump below removes the return address. instruct TailCalljmpInd(iRegPdstNoScratch jump_target, inline_cache_regP method_oop) %{ match(TailCall jump_target method_oop); ins_cost(CALL_COST); format %{ "MTCTR $jump_target \t// $method_oop holds method oop\n\t" "BCTR \t// tail call" %} size(8); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ mtctr($jump_target$$Register); __ bctr(); %} ins_pipe(pipe_class_call); %} // Return Instruction instruct Ret() %{ match(Return); format %{ "BLR \t// branch to link register" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_blr); // LR is restored in MachEpilogNode. Just do the RET here. __ blr(); %} ins_pipe(pipe_class_default); %} // Tail Jump; remove the return address; jump to target. // TailCall above leaves the return address around. // TailJump is used in only one place, the rethrow_Java stub (fancy_jump=2). // ex_oop (Exception Oop) is needed in %o0 at the jump. As there would be a // "restore" before this instruction (in Epilogue), we need to materialize it // in %i0. instruct tailjmpInd(iRegPdstNoScratch jump_target, rarg1RegP ex_oop) %{ match(TailJump jump_target ex_oop); ins_cost(CALL_COST); format %{ "LD R4_ARG2 = LR\n\t" "MTCTR $jump_target\n\t" "BCTR \t// TailJump, exception oop: $ex_oop" %} size(12); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); __ ld(R4_ARG2/* issuing pc */, _abi(lr), R1_SP); __ mtctr($jump_target$$Register); __ bctr(); %} ins_pipe(pipe_class_call); %} // Create exception oop: created by stack-crawling runtime code. // Created exception is now available to this handler, and is setup // just prior to jumping to this handler. No code emitted. instruct CreateException(rarg1RegP ex_oop) %{ match(Set ex_oop (CreateEx)); ins_cost(0); format %{ " -- \t// exception oop; no code emitted" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_default); %} // Rethrow exception: The exception oop will come in the first // argument position. Then JUMP (not call) to the rethrow stub code. instruct RethrowException() %{ match(Rethrow); ins_cost(CALL_COST); format %{ "Jmp rethrow_stub" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_compound); cbuf.set_insts_mark(); __ b64_patchable((address)OptoRuntime::rethrow_stub(), relocInfo::runtime_call_type); %} ins_pipe(pipe_class_call); %} // Die now. instruct ShouldNotReachHere() %{ match(Halt); ins_cost(CALL_COST); format %{ "ShouldNotReachHere" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_tdi); __ trap_should_not_reach_here(); %} ins_pipe(pipe_class_default); %} // This name is KNOWN by the ADLC and cannot be changed. The ADLC // forces a 'TypeRawPtr::BOTTOM' output type for this guy. // Get a DEF on threadRegP, no costs, no encoding, use // 'ins_should_rematerialize(true)' to avoid spilling. instruct tlsLoadP(threadRegP dst) %{ match(Set dst (ThreadLocal)); ins_cost(0); ins_should_rematerialize(true); format %{ " -- \t// $dst=Thread::current(), empty" %} size(0); ins_encode( /*empty*/ ); ins_pipe(pipe_class_empty); %} //---Some PPC specific nodes--------------------------------------------------- // Stop a group. instruct endGroup() %{ ins_cost(0); ins_is_nop(true); format %{ "End Bundle (ori r1, r1, 0)" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_endgroup); __ endgroup(); %} ins_pipe(pipe_class_default); %} // Nop instructions instruct fxNop() %{ ins_cost(0); ins_is_nop(true); format %{ "fxNop" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmr); __ nop(); %} ins_pipe(pipe_class_default); %} instruct fpNop0() %{ ins_cost(0); ins_is_nop(true); format %{ "fpNop0" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmr); __ fpnop0(); %} ins_pipe(pipe_class_default); %} instruct fpNop1() %{ ins_cost(0); ins_is_nop(true); format %{ "fpNop1" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_fmr); __ fpnop1(); %} ins_pipe(pipe_class_default); %} instruct brNop0() %{ ins_cost(0); size(4); format %{ "brNop0" %} ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mcrf); __ brnop0(); %} ins_is_nop(true); ins_pipe(pipe_class_default); %} instruct brNop1() %{ ins_cost(0); ins_is_nop(true); format %{ "brNop1" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mcrf); __ brnop1(); %} ins_pipe(pipe_class_default); %} instruct brNop2() %{ ins_cost(0); ins_is_nop(true); format %{ "brNop2" %} size(4); ins_encode %{ // TODO: PPC port $archOpcode(ppc64Opcode_mcrf); __ brnop2(); %} ins_pipe(pipe_class_default); %} //----------PEEPHOLE RULES----------------------------------------------------- // These must follow all instruction definitions as they use the names // defined in the instructions definitions. // // peepmatch ( root_instr_name [preceeding_instruction]* ); // // peepconstraint %{ // (instruction_number.operand_name relational_op instruction_number.operand_name // [, ...] ); // // instruction numbers are zero-based using left to right order in peepmatch // // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); // // provide an instruction_number.operand_name for each operand that appears // // in the replacement instruction's match rule // // ---------VM FLAGS--------------------------------------------------------- // // All peephole optimizations can be turned off using -XX:-OptoPeephole // // Each peephole rule is given an identifying number starting with zero and // increasing by one in the order seen by the parser. An individual peephole // can be enabled, and all others disabled, by using -XX:OptoPeepholeAt=# // on the command-line. // // ---------CURRENT LIMITATIONS---------------------------------------------- // // Only match adjacent instructions in same basic block // Only equality constraints // Only constraints between operands, not (0.dest_reg == EAX_enc) // Only one replacement instruction // // ---------EXAMPLE---------------------------------------------------------- // // // pertinent parts of existing instructions in architecture description // instruct movI(eRegI dst, eRegI src) %{ // match(Set dst (CopyI src)); // %} // // instruct incI_eReg(eRegI dst, immI1 src, eFlagsReg cr) %{ // match(Set dst (AddI dst src)); // effect(KILL cr); // %} // // // Change (inc mov) to lea // peephole %{ // // increment preceeded by register-register move // peepmatch ( incI_eReg movI ); // // require that the destination register of the increment // // match the destination register of the move // peepconstraint ( 0.dst == 1.dst ); // // construct a replacement instruction that sets // // the destination to ( move's source register + one ) // peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) ); // %} // // Implementation no longer uses movX instructions since // machine-independent system no longer uses CopyX nodes. // // peephole %{ // peepmatch ( incI_eReg movI ); // peepconstraint ( 0.dst == 1.dst ); // peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) ); // %} // // peephole %{ // peepmatch ( decI_eReg movI ); // peepconstraint ( 0.dst == 1.dst ); // peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) ); // %} // // peephole %{ // peepmatch ( addI_eReg_imm movI ); // peepconstraint ( 0.dst == 1.dst ); // peepreplace ( leaI_eReg_immI( 0.dst 1.src 0.src ) ); // %} // // peephole %{ // peepmatch ( addP_eReg_imm movP ); // peepconstraint ( 0.dst == 1.dst ); // peepreplace ( leaP_eReg_immI( 0.dst 1.src 0.src ) ); // %} // // Change load of spilled value to only a spill // instruct storeI(memory mem, eRegI src) %{ // match(Set mem (StoreI mem src)); // %} // // instruct loadI(eRegI dst, memory mem) %{ // match(Set dst (LoadI mem)); // %} // peephole %{ peepmatch ( loadI storeI ); peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem ); peepreplace ( storeI( 1.mem 1.mem 1.src ) ); %} peephole %{ peepmatch ( loadL storeL ); peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem ); peepreplace ( storeL( 1.mem 1.mem 1.src ) ); %} peephole %{ peepmatch ( loadP storeP ); peepconstraint ( 1.src == 0.dst, 1.dst == 0.mem ); peepreplace ( storeP( 1.dst 1.dst 1.src ) ); %} //----------SMARTSPILL RULES--------------------------------------------------- // These must follow all instruction definitions as they use the names // defined in the instructions definitions.