insn32-64.decode

#
# RISC-V translation routines for the RV Instruction Set.
#
# Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de
#                    Bastian Koppelmann, kbastian@mail.uni-paderborn.de
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2 or later, as published by the Free Software Foundation.
#
# This program is distributed in the hope 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 for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, see <http://www.gnu.org/licenses/>.

# This is concatenated with insn32.decode for risc64 targets.
# Most of the fields and formats are there.

%sh5    20:5

@sh5     .......  ..... .....  ... ..... ....... &shift  shamt=%sh5      %rs1 %rd

# *** RV64I Base Instruction Set (in addition to RV32I) ***
lwu      ............   ..... 110 ..... 0000011 @i
ld       ............   ..... 011 ..... 0000011 @i
sd       ....... .....  ..... 011 ..... 0100011 @s
addiw    ............   ..... 000 ..... 0011011 @i
slliw    0000000 .....  ..... 001 ..... 0011011 @sh5
srliw    0000000 .....  ..... 101 ..... 0011011 @sh5
sraiw    0100000 .....  ..... 101 ..... 0011011 @sh5
addw     0000000 .....  ..... 000 ..... 0111011 @r
subw     0100000 .....  ..... 000 ..... 0111011 @r
sllw     0000000 .....  ..... 001 ..... 0111011 @r
srlw     0000000 .....  ..... 101 ..... 0111011 @r
sraw     0100000 .....  ..... 101 ..... 0111011 @r

# *** RV64M Standard Extension (in addition to RV32M) ***
mulw     0000001 .....  ..... 000 ..... 0111011 @r
divw     0000001 .....  ..... 100 ..... 0111011 @r
divuw    0000001 .....  ..... 101 ..... 0111011 @r
remw     0000001 .....  ..... 110 ..... 0111011 @r
remuw    0000001 .....  ..... 111 ..... 0111011 @r

# *** RV64A Standard Extension (in addition to RV32A) ***
lr_d       00010 . . 00000 ..... 011 ..... 0101111 @atom_ld
sc_d       00011 . . ..... ..... 011 ..... 0101111 @atom_st
amoswap_d  00001 . . ..... ..... 011 ..... 0101111 @atom_st
amoadd_d   00000 . . ..... ..... 011 ..... 0101111 @atom_st
amoxor_d   00100 . . ..... ..... 011 ..... 0101111 @atom_st
amoand_d   01100 . . ..... ..... 011 ..... 0101111 @atom_st
amoor_d    01000 . . ..... ..... 011 ..... 0101111 @atom_st
amomin_d   10000 . . ..... ..... 011 ..... 0101111 @atom_st
amomax_d   10100 . . ..... ..... 011 ..... 0101111 @atom_st
amominu_d  11000 . . ..... ..... 011 ..... 0101111 @atom_st
amomaxu_d  11100 . . ..... ..... 011 ..... 0101111 @atom_st

# *** RV64F Standard Extension (in addition to RV32F) ***
fcvt_l_s   1100000  00010 ..... ... ..... 1010011 @r2_rm
fcvt_lu_s  1100000  00011 ..... ... ..... 1010011 @r2_rm
fcvt_s_l   1101000  00010 ..... ... ..... 1010011 @r2_rm
fcvt_s_lu  1101000  00011 ..... ... ..... 1010011 @r2_rm

# *** RV64D Standard Extension (in addition to RV32D) ***
fcvt_l_d   1100001  00010 ..... ... ..... 1010011 @r2_rm
fcvt_lu_d  1100001  00011 ..... ... ..... 1010011 @r2_rm
fmv_x_d    1110001  00000 ..... 000 ..... 1010011 @r2
fcvt_d_l   1101001  00010 ..... ... ..... 1010011 @r2_rm
fcvt_d_lu  1101001  00011 ..... ... ..... 1010011 @r2_rm
fmv_d_x    1111001  00000 ..... 000 ..... 1010011 @r2