Preliminary Sparc TCG target

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3995 c046a42c-6fe2-441c-8c8c-71466251a162

Makefile.target

@@ -177,6 +177,9 @@ LIBOBJS=exec.o kqemu.o translate-all.o cpu-exec.o\
 # TCG code generator
 LIBOBJS+= tcg/tcg.o tcg/tcg-dyngen.o tcg/tcg-runtime.o
 CPPFLAGS+=-I$(SRC_PATH)/tcg -I$(SRC_PATH)/tcg/$(ARCH)
+ifeq ($(ARCH),sparc64)
+CPPFLAGS+=-I$(SRC_PATH)/tcg/sparc
+endif
 ifdef CONFIG_SOFTFLOAT
 LIBOBJS+=fpu/softfloat.o
 else

dyngen.c

@@ -1615,12 +1615,14 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
             error("No save at the beginning of %s", name);
         }
 
+#if 0
         /* Skip a preceeding nop, if present.  */
         if (p > p_start) {
             skip_insn = get32((uint32_t *)(p - 0x4));
             if (skip_insn == 0x01000000)
                 p -= 4;
         }
+#endif
 
         copy_size = p - p_start;
     }

tcg/sparc/tcg-target.c

+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
+    "%g0",
+    "%g1",
+    "%g2",
+    "%g3",
+    "%g4",
+    "%g5",
+    "%g6",
+    "%g7",
+    "%o0",
+    "%o1",
+    "%o2",
+    "%o3",
+    "%o4",
+    "%o5",
+    "%o6",
+    "%o7",
+    "%l0",
+    "%l1",
+    "%l2",
+    "%l3",
+    "%l4",
+    "%l5",
+    "%l6",
+    "%l7",
+    "%i0",
+    "%i1",
+    "%i2",
+    "%i3",
+    "%i4",
+    "%i5",
+    "%i6",
+    "%i7",
+};
+
+static const int tcg_target_reg_alloc_order[TCG_TARGET_NB_REGS] = {
+    TCG_REG_L0,
+    TCG_REG_L1,
+    TCG_REG_L2,
+    TCG_REG_L3,
+    TCG_REG_L4,
+    TCG_REG_L5,
+    TCG_REG_L6,
+    TCG_REG_L7,
+    TCG_REG_I0,
+    TCG_REG_I1,
+    TCG_REG_I2,
+    TCG_REG_I3,
+    TCG_REG_I4,
+    TCG_REG_I5,
+};
+
+static const int tcg_target_call_iarg_regs[6] = {
+    TCG_REG_O0,
+    TCG_REG_O1,
+    TCG_REG_O2,
+    TCG_REG_O3,
+    TCG_REG_O4,
+    TCG_REG_O5,
+};
+
+static const int tcg_target_call_oarg_regs[2] = {
+    TCG_REG_O0,
+    TCG_REG_O1,
+};
+
+static void patch_reloc(uint8_t *code_ptr, int type,
+                        tcg_target_long value)
+{
+    switch (type) {
+    case R_SPARC_32:
+        if (value != (uint32_t)value)
+            tcg_abort();
+        *(uint32_t *)code_ptr = value;
+        break;
+    default:
+        tcg_abort();
+    }
+}
+
+/* maximum number of register used for input function arguments */
+static inline int tcg_target_get_call_iarg_regs_count(int flags)
+{
+    return 6;
+}
+
+/* parse target specific constraints */
+static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
+{
+    const char *ct_str;
+
+    ct_str = *pct_str;
+    switch (ct_str[0]) {
+    case 'r':
+    case 'L': /* qemu_ld/st constraint */
+        ct->ct |= TCG_CT_REG;
+        tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+        break;
+    case 'I':
+        ct->ct |= TCG_CT_CONST_S11;
+        break;
+    case 'J':
+        ct->ct |= TCG_CT_CONST_S13;
+        break;
+    default:
+        return -1;
+    }
+    ct_str++;
+    *pct_str = ct_str;
+    return 0;
+}
+
+#define ABS(x) ((x) < 0? -(x) : (x))
+/* test if a constant matches the constraint */
+static inline int tcg_target_const_match(tcg_target_long val,
+                                         const TCGArgConstraint *arg_ct)
+{
+    int ct;
+
+    ct = arg_ct->ct;
+    if (ct & TCG_CT_CONST)
+        return 1;
+    else if ((ct & TCG_CT_CONST_S11) && ABS(val) == (ABS(val) & 0x3ff))
+        return 1;
+    else if ((ct & TCG_CT_CONST_S13) && ABS(val) == (ABS(val) & 0xfff))
+        return 1;
+    else
+        return 0;
+}
+
+#define INSN_OP(x)  ((x) << 30)
+#define INSN_OP2(x) ((x) << 22)
+#define INSN_OP3(x) ((x) << 19)
+#define INSN_OPF(x) ((x) << 5)
+#define INSN_RD(x)  ((x) << 25)
+#define INSN_RS1(x) ((x) << 14)
+#define INSN_RS2(x) (x)
+
+#define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff))
+
+#define INSN_COND(x, a) (((x) << 25) | ((a) << 29)
+
+#define ARITH_ADD  (INSN_OP(2) | INSN_OP3(0x00))
+#define ARITH_AND  (INSN_OP(2) | INSN_OP3(0x01))
+#define ARITH_OR   (INSN_OP(2) | INSN_OP3(0x02))
+#define ARITH_XOR  (INSN_OP(2) | INSN_OP3(0x03))
+#define ARITH_SUB  (INSN_OP(2) | INSN_OP3(0x08))
+#define ARITH_ADDX (INSN_OP(2) | INSN_OP3(0x10))
+#define ARITH_SUBX (INSN_OP(2) | INSN_OP3(0x0c))
+#define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a))
+#define ARITH_UDIV (INSN_OP(2) | INSN_OP3(0x0e))
+#define ARITH_SDIV (INSN_OP(2) | INSN_OP3(0x0f))
+#define ARITH_MULX (INSN_OP(2) | INSN_OP3(0x09))
+#define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d))
+#define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d))
+
+#define SHIFT_SLL  (INSN_OP(2) | INSN_OP3(0x25))
+#define SHIFT_SRL  (INSN_OP(2) | INSN_OP3(0x26))
+#define SHIFT_SRA  (INSN_OP(2) | INSN_OP3(0x27))
+
+#define SHIFT_SLLX (INSN_OP(2) | INSN_OP3(0x25) | (1 << 12))
+#define SHIFT_SRLX (INSN_OP(2) | INSN_OP3(0x26) | (1 << 12))
+#define SHIFT_SRAX (INSN_OP(2) | INSN_OP3(0x27) | (1 << 12))
+
+#define WRY        (INSN_OP(2) | INSN_OP3(0x30))
+#define JMPL       (INSN_OP(2) | INSN_OP3(0x38))
+#define SAVE       (INSN_OP(2) | INSN_OP3(0x3c))
+#define RESTORE    (INSN_OP(2) | INSN_OP3(0x3d))
+#define SETHI      (INSN_OP(0) | INSN_OP2(0x4))
+#define CALL       INSN_OP(1)
+#define LDUB       (INSN_OP(3) | INSN_OP3(0x01))
+#define LDSB       (INSN_OP(3) | INSN_OP3(0x09))
+#define LDUH       (INSN_OP(3) | INSN_OP3(0x02))
+#define LDSH       (INSN_OP(3) | INSN_OP3(0x0a))
+#define LDUW       (INSN_OP(3) | INSN_OP3(0x00))
+#define LDSW       (INSN_OP(3) | INSN_OP3(0x08))
+#define LDX        (INSN_OP(3) | INSN_OP3(0x0b))
+#define STB        (INSN_OP(3) | INSN_OP3(0x05))
+#define STH        (INSN_OP(3) | INSN_OP3(0x06))
+#define STW        (INSN_OP(3) | INSN_OP3(0x04))
+#define STX        (INSN_OP(3) | INSN_OP3(0x0e))
+
+static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
+{
+    tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(arg) |
+              INSN_RS2(TCG_REG_G0));
+}
+
+static inline void tcg_out_movi(TCGContext *s, TCGType type,
+                                int ret, tcg_target_long arg)
+{
+    if (arg == (arg & 0xfff))
+        tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS2(TCG_REG_G0) |
+                  INSN_IMM13(arg));
+    else {
+        tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
+        if (arg & 0x3ff)
+            tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
+                      INSN_IMM13(arg & 0x3ff));
+    }
+}
+
+static inline void tcg_out_ld_raw(TCGContext *s, int ret,
+                                  tcg_target_long arg)
+{
+    tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
+    tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
+              INSN_IMM13(arg & 0x3ff));
+}
+
+static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op)
+{
+    if (offset == (offset & 0xfff))
+        tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) |
+                  INSN_IMM13(offset));
+    else
+        fprintf(stderr, "unimplemented %s with offset %d\n", __func__, offset);
+}
+
+static inline void tcg_out_ld(TCGContext *s, int ret,
+                              int arg1, tcg_target_long arg2)
+{
+    fprintf(stderr, "unimplemented %s\n", __func__);
+}
+
+static inline void tcg_out_st(TCGContext *s, int arg,
+                              int arg1, tcg_target_long arg2)
+{
+    fprintf(stderr, "unimplemented %s\n", __func__);
+}
+
+static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
+                                 int op)
+{
+    tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
+              INSN_RS2(rs2));
+}
+
+static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
+                                  int op)
+{
+    tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
+              INSN_IMM13(offset));
+}
+
+static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
+{
+    if (val == 0 || val == -1)
+        tcg_out32(s, WRY | INSN_IMM13(val));
+    else
+        fprintf(stderr, "unimplemented sety %ld\n", (long)val);
+}
+
+static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
+{
+    if (val != 0) {
+        if (val == (val & 0xfff))
+            tcg_out_arithi(s, reg, reg, val, ARITH_ADD);
+        else
+            fprintf(stderr, "unimplemented addi %ld\n", (long)val);
+    }
+}
+
+static inline void tcg_out_nop(TCGContext *s)
+{
+    tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
+}
+
+static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
+                              const int *const_args)
+{
+    int c;
+
+    switch (opc) {
+    case INDEX_op_exit_tb:
+        tcg_out_movi(s, TCG_TYPE_TL, TCG_REG_O0, args[0]);
+        tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_O7) |
+                  INSN_IMM13(8));
+        tcg_out_nop(s);
+        break;
+    case INDEX_op_goto_tb:
+        if (s->tb_jmp_offset) {
+            /* direct jump method */
+            tcg_out32(s, CALL | 0);
+            s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
+            tcg_out_nop(s);
+        } else {
+            /* indirect jump method */
+            tcg_out_ld_raw(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
+            tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
+                      INSN_RD(TCG_REG_G0));
+            tcg_out_nop(s);
+        }
+        s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
+        break;
+    case INDEX_op_call:
+        if (const_args[0]) {
+            tcg_out32(s, CALL | ((((tcg_target_ulong)args[0]
+                                  - (tcg_target_ulong)s->code_ptr) >> 2)
+                                 & 0x3fffffff));
+            tcg_out_nop(s);
+        } else {
+            tcg_out_ld_raw(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
+            tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
+                      INSN_RD(TCG_REG_G0));
+            tcg_out_nop(s);
+        }
+        break;
+    case INDEX_op_jmp:
+        fprintf(stderr, "unimplemented jmp\n");
+        break;
+    case INDEX_op_br:
+        fprintf(stderr, "unimplemented br\n");
+        break;
+    case INDEX_op_movi_i32:
+        tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]);
+        break;
+
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+#define OP_32_64(x)                             \
+        glue(glue(case INDEX_op_, x), _i32:)    \
+        glue(glue(case INDEX_op_, x), _i64:)
+#else
+#define OP_32_64(x)                             \
+        glue(glue(case INDEX_op_, x), _i32:)
+#endif
+        OP_32_64(ld8u);
+        tcg_out_ldst(s, args[0], args[1], args[2], LDUB);
+        break;
+        OP_32_64(ld8s);
+        tcg_out_ldst(s, args[0], args[1], args[2], LDSB);
+        break;
+        OP_32_64(ld16u);
+        tcg_out_ldst(s, args[0], args[1], args[2], LDUH);
+        break;
+        OP_32_64(ld16s);
+        tcg_out_ldst(s, args[0], args[1], args[2], LDSH);
+        break;
+    case INDEX_op_ld_i32:
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    case INDEX_op_ld_i32u_i64:
+#endif
+        tcg_out_ldst(s, args[0], args[1], args[2], LDUW);
+        break;
+        OP_32_64(st8);
+        tcg_out_ldst(s, args[0], args[1], args[2], STB);
+        break;
+        OP_32_64(st16);
+        tcg_out_ldst(s, args[0], args[1], args[2], STH);
+        break;
+    case INDEX_op_st_i32:
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    case INDEX_op_st_i32_i64:
+#endif
+        tcg_out_ldst(s, args[0], args[1], args[2], STW);
+        break;
+        OP_32_64(sub);
+        c = ARITH_SUB;
+        goto gen_arith32;
+        OP_32_64(and);
+        c = ARITH_AND;
+        goto gen_arith32;
+        OP_32_64(or);
+        c = ARITH_OR;
+        goto gen_arith32;
+        OP_32_64(xor);
+        c = ARITH_XOR;
+        goto gen_arith32;
+    case INDEX_op_shl_i32:
+        c = SHIFT_SLL;
+        goto gen_arith32;
+    case INDEX_op_shr_i32:
+        c = SHIFT_SRL;
+        goto gen_arith32;
+    case INDEX_op_sar_i32:
+        c = SHIFT_SRA;
+        goto gen_arith32;
+    case INDEX_op_mul_i32:
+        c = ARITH_UMUL;
+        goto gen_arith32;
+        OP_32_64(add);
+        c = ARITH_ADD;
+    gen_arith32:
+        if (const_args[2]) {
+            tcg_out_arithi(s, args[0], args[1], args[2], c);
+        } else {
+            tcg_out_arith(s, args[0], args[1], args[2], c);
+        }
+        break;
+
+    case INDEX_op_div2_i32:
+#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
+        c = ARITH_SDIVX;
+        goto gen_arith32;
+#else
+        tcg_out_sety(s, 0);
+        c = ARITH_SDIV;
+        goto gen_arith32;
+#endif
+    case INDEX_op_divu2_i32:
+#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
+        c = ARITH_UDIVX;
+        goto gen_arith32;
+#else
+        tcg_out_sety(s, 0);
+        c = ARITH_UDIV;
+        goto gen_arith32;
+#endif
+
+    case INDEX_op_brcond_i32:
+        fprintf(stderr, "unimplemented brcond\n");
+        break;
+
+    case INDEX_op_qemu_ld8u:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_ld8s:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_ld16u:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_ld16s:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_ld32u:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_ld32s:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_st8:
+        fprintf(stderr, "unimplemented qst\n");
+        break;
+    case INDEX_op_qemu_st16:
+        fprintf(stderr, "unimplemented qst\n");
+        break;
+    case INDEX_op_qemu_st32:
+        fprintf(stderr, "unimplemented qst\n");
+        break;
+
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    case INDEX_op_movi_i64:
+        tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
+        break;
+    case INDEX_op_ld_i64:
+        tcg_out_ldst(s, args[0], args[1], args[2], LDX);
+        break;
+    case INDEX_op_st_i64:
+        tcg_out_ldst(s, args[0], args[1], args[2], STX);
+        break;
+    case INDEX_op_shl_i64:
+        c = SHIFT_SLLX;
+        goto gen_arith32;
+    case INDEX_op_shr_i64:
+        c = SHIFT_SRLX;
+        goto gen_arith32;
+    case INDEX_op_sar_i64:
+        c = SHIFT_SRAX;
+        goto gen_arith32;
+    case INDEX_op_mul_i64:
+        c = ARITH_MULX;
+        goto gen_arith32;
+    case INDEX_op_div2_i64:
+        c = ARITH_DIVX;
+        goto gen_arith32;
+    case INDEX_op_divu2_i64:
+        c = ARITH_UDIVX;
+        goto gen_arith32;
+
+    case INDEX_op_brcond_i64:
+        fprintf(stderr, "unimplemented brcond\n");
+        break;
+    case INDEX_op_qemu_ld64:
+        fprintf(stderr, "unimplemented qld\n");
+        break;
+    case INDEX_op_qemu_st64:
+        fprintf(stderr, "unimplemented qst\n");
+        break;
+
+#endif
+    default:
+        fprintf(stderr, "unknown opcode 0x%x\n", opc);
+        tcg_abort();
+    }
+}
+
+static const TCGTargetOpDef sparc_op_defs[] = {
+    { INDEX_op_exit_tb, { } },
+    { INDEX_op_goto_tb, { } },
+    { INDEX_op_call, { "ri" } },
+    { INDEX_op_jmp, { "ri" } },
+    { INDEX_op_br, { } },
+
+    { INDEX_op_mov_i32, { "r", "r" } },
+    { INDEX_op_movi_i32, { "r" } },
+    { INDEX_op_ld8u_i32, { "r", "r" } },
+    { INDEX_op_ld8s_i32, { "r", "r" } },
+    { INDEX_op_ld16u_i32, { "r", "r" } },
+    { INDEX_op_ld16s_i32, { "r", "r" } },
+    { INDEX_op_ld_i32, { "r", "r" } },
+    { INDEX_op_st8_i32, { "r", "r" } },
+    { INDEX_op_st16_i32, { "r", "r" } },
+    { INDEX_op_st_i32, { "r", "r" } },
+
+    { INDEX_op_add_i32, { "r", "0", "rJ" } },
+    { INDEX_op_mul_i32, { "r", "0", "rJ" } },
+    { INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } },
+    { INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } },
+    { INDEX_op_sub_i32, { "r", "0", "rJ" } },
+    { INDEX_op_and_i32, { "r", "0", "rJ" } },
+    { INDEX_op_or_i32, { "r", "0", "rJ" } },
+    { INDEX_op_xor_i32, { "r", "0", "rJ" } },
+
+    { INDEX_op_shl_i32, { "r", "0", "rJ" } },
+    { INDEX_op_shr_i32, { "r", "0", "rJ" } },
+    { INDEX_op_sar_i32, { "r", "0", "rJ" } },
+
+    { INDEX_op_brcond_i32, { "r", "ri" } },
+
+    { INDEX_op_qemu_ld8u, { "r", "L" } },
+    { INDEX_op_qemu_ld8s, { "r", "L" } },
+    { INDEX_op_qemu_ld16u, { "r", "L" } },
+    { INDEX_op_qemu_ld16s, { "r", "L" } },
+    { INDEX_op_qemu_ld32u, { "r", "L" } },
+    { INDEX_op_qemu_ld32s, { "r", "L" } },
+
+    { INDEX_op_qemu_st8, { "L", "L" } },
+    { INDEX_op_qemu_st16, { "L", "L" } },
+    { INDEX_op_qemu_st32, { "L", "L" } },
+
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    { INDEX_op_mov_i64, { "r", "r" } },
+    { INDEX_op_movi_i64, { "r" } },
+    { INDEX_op_ld8u_i64, { "r", "r" } },
+    { INDEX_op_ld8s_i64, { "r", "r" } },
+    { INDEX_op_ld16u_i64, { "r", "r" } },
+    { INDEX_op_ld16s_i64, { "r", "r" } },
+    { INDEX_op_ld32u_i64, { "r", "r" } },
+    { INDEX_op_ld32s_i64, { "r", "r" } },
+    { INDEX_op_ld_i64, { "r", "r" } },
+    { INDEX_op_st8_i64, { "r", "r" } },
+    { INDEX_op_st16_i64, { "r", "r" } },
+    { INDEX_op_st32_i64, { "r", "r" } },
+    { INDEX_op_st_i64, { "r", "r" } },
+
+    { INDEX_op_add_i64, { "r", "0", "rJ" } },
+    { INDEX_op_mul_i64, { "r", "0", "rJ" } },
+    { INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } },
+    { INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } },
+    { INDEX_op_sub_i64, { "r", "0", "rJ" } },
+    { INDEX_op_and_i64, { "r", "0", "rJ" } },
+    { INDEX_op_or_i64, { "r", "0", "rJ" } },
+    { INDEX_op_xor_i64, { "r", "0", "rJ" } },
+
+    { INDEX_op_shl_i64, { "r", "0", "rJ" } },
+    { INDEX_op_shr_i64, { "r", "0", "rJ" } },
+    { INDEX_op_sar_i64, { "r", "0", "rJ" } },
+
+    { INDEX_op_brcond_i64, { "r", "ri" } },
+#endif
+    { -1 },
+};
+
+void tcg_target_init(TCGContext *s)
+{
+    tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
+#endif
+    tcg_regset_set32(tcg_target_call_clobber_regs, 0,
+                     (1 << TCG_REG_O0) |
+                     (1 << TCG_REG_O1) |
+                     (1 << TCG_REG_O2) |
+                     (1 << TCG_REG_O3) |
+                     (1 << TCG_REG_O4) |
+                     (1 << TCG_REG_O5) |
+                     (1 << TCG_REG_O6) |
+                     (1 << TCG_REG_O7));
+
+    tcg_regset_clear(s->reserved_regs);
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0);
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6);
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7);
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6);
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7);
+    tcg_add_target_add_op_defs(sparc_op_defs);
+}

tcg/sparc/tcg-target.h

+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#define TCG_TARGET_SPARC 1
+
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+#define TCG_TARGET_REG_BITS 64
+#else
+#define TCG_TARGET_REG_BITS 32
+#endif
+
+#define TCG_TARGET_WORDS_BIGENDIAN
+
+#define TCG_TARGET_NB_REGS 32
+
+enum {
+    TCG_REG_G0 = 0,
+    TCG_REG_G1,
+    TCG_REG_G2,
+    TCG_REG_G3,
+    TCG_REG_G4,
+    TCG_REG_G5,
+    TCG_REG_G6,
+    TCG_REG_G7,
+    TCG_REG_O0,
+    TCG_REG_O1,
+    TCG_REG_O2,
+    TCG_REG_O3,
+    TCG_REG_O4,
+    TCG_REG_O5,
+    TCG_REG_O6,
+    TCG_REG_O7,
+    TCG_REG_L0,
+    TCG_REG_L1,
+    TCG_REG_L2,
+    TCG_REG_L3,
+    TCG_REG_L4,
+    TCG_REG_L5,
+    TCG_REG_L6,
+    TCG_REG_L7,
+    TCG_REG_I0,
+    TCG_REG_I1,
+    TCG_REG_I2,
+    TCG_REG_I3,
+    TCG_REG_I4,
+    TCG_REG_I5,
+    TCG_REG_I6,
+    TCG_REG_I7,
+};
+
+#define TCG_CT_CONST_S11 0x100
+#define TCG_CT_CONST_S13 0x200
+
+/* used for function call generation */
+#define TCG_REG_CALL_STACK TCG_REG_O6
+#define TCG_TARGET_STACK_ALIGN 16
+
+/* optional instructions */
+//#define TCG_TARGET_HAS_bswap_i32
+//#define TCG_TARGET_HAS_bswap_i64
+
+/* Note: must be synced with dyngen-exec.h */
+#ifdef HOST_SOLARIS
+#define TCG_AREG0 TCG_REG_G2
+#define TCG_AREG1 TCG_REG_G3
+#define TCG_AREG2 TCG_REG_G4
+#define TCG_AREG3 TCG_REG_G5
+#define TCG_AREG4 TCG_REG_G6
+#elif defined(__sparc_v9__)
+#define TCG_AREG0 TCG_REG_G1
+#define TCG_AREG1 TCG_REG_G4
+#define TCG_AREG2 TCG_REG_G5
+#define TCG_AREG3 TCG_REG_G7
+#else
+#define TCG_AREG0 TCG_REG_G6
+#define TCG_AREG1 TCG_REG_G1
+#define TCG_AREG2 TCG_REG_G2
+#define TCG_AREG3 TCG_REG_G3
+#endif
+
+static inline void flush_icache_range(unsigned long start, unsigned long stop)
+{
+    unsigned long p;
+
+    p = start & ~(8UL - 1UL);
+    stop = (stop + (8UL - 1UL)) & ~(8UL - 1UL);
+
+    for (; p < stop; p += 8)
+        __asm__ __volatile__("flush\t%0" : : "r" (p));
+}