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#
# RISC-V translation routines for the RVXI Base Integer 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/>.
# Fields:
%rs3 27:5
%rs2 20:5
%rs1 15:5
%rd 7:5
%sh10 20:10
%csr 20:12
%rm 12:3
# immediates:
%imm_i 20:s12
%imm_s 25:s7 7:5
%imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1
%imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1
%imm_u 12:s20 !function=ex_shift_12
# Argument sets:
&empty
&b imm rs2 rs1
&i imm rs1 rd
&j imm rd
&r rd rs1 rs2
&s imm rs1 rs2
&u imm rd
&shift shamt rs1 rd
&atomic aq rl rs2 rs1 rd
# Formats 32:
@r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd
@i ............ ..... ... ..... ....... &i imm=%imm_i %rs1 %rd
@b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1
@s ....... ..... ..... ... ..... ....... &s imm=%imm_s %rs2 %rs1
@u .................... ..... ....... &u imm=%imm_u %rd
@j .................... ..... ....... &j imm=%imm_j %rd
@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd
@csr ............ ..... ... ..... ....... %csr %rs1 %rd
@atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd
@atom_st ..... aq:1 rl:1 ..... ........ ..... ....... &atomic %rs2 %rs1 %rd
@r4_rm ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rm %rd
@r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd
@r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd
@r2 ....... ..... ..... ... ..... ....... %rs1 %rd
@sfence_vma ....... ..... ..... ... ..... ....... %rs2 %rs1
@sfence_vm ....... ..... ..... ... ..... ....... %rs1
# *** Privileged Instructions ***
ecall 000000000000 00000 000 00000 1110011
ebreak 000000000001 00000 000 00000 1110011
uret 0000000 00010 00000 000 00000 1110011
sret 0001000 00010 00000 000 00000 1110011
hret 0010000 00010 00000 000 00000 1110011
mret 0011000 00010 00000 000 00000 1110011
wfi 0001000 00101 00000 000 00000 1110011
sfence_vma 0001001 ..... ..... 000 00000 1110011 @sfence_vma
sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm
# *** RV32I Base Instruction Set ***
lui .................... ..... 0110111 @u
auipc .................... ..... 0010111 @u
jal .................... ..... 1101111 @j
jalr ............ ..... 000 ..... 1100111 @i
beq ....... ..... ..... 000 ..... 1100011 @b
bne ....... ..... ..... 001 ..... 1100011 @b
blt ....... ..... ..... 100 ..... 1100011 @b
bge ....... ..... ..... 101 ..... 1100011 @b
bltu ....... ..... ..... 110 ..... 1100011 @b
bgeu ....... ..... ..... 111 ..... 1100011 @b
lb ............ ..... 000 ..... 0000011 @i
lh ............ ..... 001 ..... 0000011 @i
lw ............ ..... 010 ..... 0000011 @i
lbu ............ ..... 100 ..... 0000011 @i
lhu ............ ..... 101 ..... 0000011 @i
sb ....... ..... ..... 000 ..... 0100011 @s
sh ....... ..... ..... 001 ..... 0100011 @s
sw ....... ..... ..... 010 ..... 0100011 @s
addi ............ ..... 000 ..... 0010011 @i
slti ............ ..... 010 ..... 0010011 @i
sltiu ............ ..... 011 ..... 0010011 @i
xori ............ ..... 100 ..... 0010011 @i
ori ............ ..... 110 ..... 0010011 @i
andi ............ ..... 111 ..... 0010011 @i
slli 00.... ...... ..... 001 ..... 0010011 @sh
srli 00.... ...... ..... 101 ..... 0010011 @sh
srai 01.... ...... ..... 101 ..... 0010011 @sh
add 0000000 ..... ..... 000 ..... 0110011 @r
sub 0100000 ..... ..... 000 ..... 0110011 @r
sll 0000000 ..... ..... 001 ..... 0110011 @r
slt 0000000 ..... ..... 010 ..... 0110011 @r
sltu 0000000 ..... ..... 011 ..... 0110011 @r
xor 0000000 ..... ..... 100 ..... 0110011 @r
srl 0000000 ..... ..... 101 ..... 0110011 @r
sra 0100000 ..... ..... 101 ..... 0110011 @r
or 0000000 ..... ..... 110 ..... 0110011 @r
and 0000000 ..... ..... 111 ..... 0110011 @r
fence ---- pred:4 succ:4 ----- 000 ----- 0001111
fence_i ---- ---- ---- ----- 001 ----- 0001111
csrrw ............ ..... 001 ..... 1110011 @csr
csrrs ............ ..... 010 ..... 1110011 @csr
csrrc ............ ..... 011 ..... 1110011 @csr
csrrwi ............ ..... 101 ..... 1110011 @csr
csrrsi ............ ..... 110 ..... 1110011 @csr
csrrci ............ ..... 111 ..... 1110011 @csr
# *** RV32M Standard Extension ***
mul 0000001 ..... ..... 000 ..... 0110011 @r
mulh 0000001 ..... ..... 001 ..... 0110011 @r
mulhsu 0000001 ..... ..... 010 ..... 0110011 @r
mulhu 0000001 ..... ..... 011 ..... 0110011 @r
div 0000001 ..... ..... 100 ..... 0110011 @r
divu 0000001 ..... ..... 101 ..... 0110011 @r
rem 0000001 ..... ..... 110 ..... 0110011 @r
remu 0000001 ..... ..... 111 ..... 0110011 @r
# *** RV32A Standard Extension ***
lr_w 00010 . . 00000 ..... 010 ..... 0101111 @atom_ld
sc_w 00011 . . ..... ..... 010 ..... 0101111 @atom_st
amoswap_w 00001 . . ..... ..... 010 ..... 0101111 @atom_st
amoadd_w 00000 . . ..... ..... 010 ..... 0101111 @atom_st
amoxor_w 00100 . . ..... ..... 010 ..... 0101111 @atom_st
amoand_w 01100 . . ..... ..... 010 ..... 0101111 @atom_st
amoor_w 01000 . . ..... ..... 010 ..... 0101111 @atom_st
amomin_w 10000 . . ..... ..... 010 ..... 0101111 @atom_st
amomax_w 10100 . . ..... ..... 010 ..... 0101111 @atom_st
amominu_w 11000 . . ..... ..... 010 ..... 0101111 @atom_st
amomaxu_w 11100 . . ..... ..... 010 ..... 0101111 @atom_st
# *** RV32F Standard Extension ***
flw ............ ..... 010 ..... 0000111 @i
fsw ....... ..... ..... 010 ..... 0100111 @s
fmadd_s ..... 00 ..... ..... ... ..... 1000011 @r4_rm
fmsub_s ..... 00 ..... ..... ... ..... 1000111 @r4_rm
fnmsub_s ..... 00 ..... ..... ... ..... 1001011 @r4_rm
fnmadd_s ..... 00 ..... ..... ... ..... 1001111 @r4_rm
fadd_s 0000000 ..... ..... ... ..... 1010011 @r_rm
fsub_s 0000100 ..... ..... ... ..... 1010011 @r_rm
fmul_s 0001000 ..... ..... ... ..... 1010011 @r_rm
fdiv_s 0001100 ..... ..... ... ..... 1010011 @r_rm
fsqrt_s 0101100 00000 ..... ... ..... 1010011 @r2_rm
fsgnj_s 0010000 ..... ..... 000 ..... 1010011 @r
fsgnjn_s 0010000 ..... ..... 001 ..... 1010011 @r
fsgnjx_s 0010000 ..... ..... 010 ..... 1010011 @r
fmin_s 0010100 ..... ..... 000 ..... 1010011 @r
fmax_s 0010100 ..... ..... 001 ..... 1010011 @r
fcvt_w_s 1100000 00000 ..... ... ..... 1010011 @r2_rm
fcvt_wu_s 1100000 00001 ..... ... ..... 1010011 @r2_rm
fmv_x_w 1110000 00000 ..... 000 ..... 1010011 @r2
feq_s 1010000 ..... ..... 010 ..... 1010011 @r
flt_s 1010000 ..... ..... 001 ..... 1010011 @r
fle_s 1010000 ..... ..... 000 ..... 1010011 @r
fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2
fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm
fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm
fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2
# *** RV32D Standard Extension ***
fld ............ ..... 011 ..... 0000111 @i
fsd ....... ..... ..... 011 ..... 0100111 @s
fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm
fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm
fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm
fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm
fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm
fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm
fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm
fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm
fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm
fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r
fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r
fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r
fmin_d 0010101 ..... ..... 000 ..... 1010011 @r
fmax_d 0010101 ..... ..... 001 ..... 1010011 @r
fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm
fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm
feq_d 1010001 ..... ..... 010 ..... 1010011 @r
flt_d 1010001 ..... ..... 001 ..... 1010011 @r
fle_d 1010001 ..... ..... 000 ..... 1010011 @r
fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2
fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm
fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm
fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm
fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm
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