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riscv-opc.c
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riscv-opc.c
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/* RISC-V opcode list
Copyright (C) 2011-2020 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
Based on MIPS target.
This file is part of the GNU opcodes library.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It 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 for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING3. If not,
see <http://www.gnu.org/licenses/>. */
#include "sysdep.h"
#include "opcode/riscv.h"
#include <stdio.h>
/* Register names used by gas and objdump. */
const char * const riscv_gpr_names_numeric[NGPR] =
{
"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
"x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
"x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
"x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31"
};
const char * const riscv_gpr_names_abi[NGPR] = {
"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2",
"s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5",
"a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7",
"s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6"
};
const char * const riscv_fpr_names_numeric[NFPR] =
{
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
};
const char * const riscv_fpr_names_abi[NFPR] = {
"ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7",
"fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5",
"fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7",
"fs8", "fs9", "fs10", "fs11", "ft8", "ft9", "ft10", "ft11"
};
/* The order of overloaded instructions matters. Label arguments and
register arguments look the same. Instructions that can have either
for arguments must apear in the correct order in this table for the
assembler to pick the right one. In other words, entries with
immediate operands must apear after the same instruction with
registers.
Because of the lookup algorithm used, entries with the same opcode
name must be contiguous. */
#define MASK_RS1 (OP_MASK_RS1 << OP_SH_RS1)
#define MASK_RS2 (OP_MASK_RS2 << OP_SH_RS2)
#define MASK_RD (OP_MASK_RD << OP_SH_RD)
#define MASK_CRS2 (OP_MASK_CRS2 << OP_SH_CRS2)
#define MASK_IMM ENCODE_ITYPE_IMM (-1U)
#define MASK_RVC_IMM ENCODE_RVC_IMM (-1U)
#define MASK_UIMM ENCODE_UTYPE_IMM (-1U)
#define MASK_RM (OP_MASK_RM << OP_SH_RM)
#define MASK_PRED (OP_MASK_PRED << OP_SH_PRED)
#define MASK_SUCC (OP_MASK_SUCC << OP_SH_SUCC)
#define MASK_AQ (OP_MASK_AQ << OP_SH_AQ)
#define MASK_RL (OP_MASK_RL << OP_SH_RL)
#define MASK_AQRL (MASK_AQ | MASK_RL)
static int
match_opcode (const struct riscv_opcode *op, insn_t insn)
{
return ((insn ^ op->match) & op->mask) == 0;
}
static int
match_never (const struct riscv_opcode *op ATTRIBUTE_UNUSED,
insn_t insn ATTRIBUTE_UNUSED)
{
return 0;
}
static int
match_rs1_eq_rs2 (const struct riscv_opcode *op, insn_t insn)
{
int rs1 = (insn & MASK_RS1) >> OP_SH_RS1;
int rs2 = (insn & MASK_RS2) >> OP_SH_RS2;
return match_opcode (op, insn) && rs1 == rs2;
}
static int
match_rd_nonzero (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && ((insn & MASK_RD) != 0);
}
static int
match_c_add (const struct riscv_opcode *op, insn_t insn)
{
return match_rd_nonzero (op, insn) && ((insn & MASK_CRS2) != 0);
}
/* We don't allow mv zero,X to become a c.mv hint, so we need a separate
matching function for this. */
static int
match_c_add_with_hint (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && ((insn & MASK_CRS2) != 0);
}
static int
match_c_nop (const struct riscv_opcode *op, insn_t insn)
{
return (match_opcode (op, insn)
&& (((insn & MASK_RD) >> OP_SH_RD) == 0));
}
static int
match_c_addi16sp (const struct riscv_opcode *op, insn_t insn)
{
return (match_opcode (op, insn)
&& (((insn & MASK_RD) >> OP_SH_RD) == 2)
&& EXTRACT_RVC_ADDI16SP_IMM (insn) != 0);
}
static int
match_c_lui (const struct riscv_opcode *op, insn_t insn)
{
return (match_rd_nonzero (op, insn)
&& (((insn & MASK_RD) >> OP_SH_RD) != 2)
&& EXTRACT_RVC_LUI_IMM (insn) != 0);
}
/* We don't allow lui zero,X to become a c.lui hint, so we need a separate
matching function for this. */
static int
match_c_lui_with_hint (const struct riscv_opcode *op, insn_t insn)
{
return (match_opcode (op, insn)
&& (((insn & MASK_RD) >> OP_SH_RD) != 2)
&& EXTRACT_RVC_LUI_IMM (insn) != 0);
}
static int
match_c_addi4spn (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && EXTRACT_RVC_ADDI4SPN_IMM (insn) != 0;
}
/* This requires a non-zero shift. A zero rd is a hint, so is allowed. */
static int
match_c_slli (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && EXTRACT_RVC_IMM (insn) != 0;
}
/* This requires a non-zero rd, and a non-zero shift. */
static int
match_slli_as_c_slli (const struct riscv_opcode *op, insn_t insn)
{
return match_rd_nonzero (op, insn) && EXTRACT_RVC_IMM (insn) != 0;
}
/* This requires a zero shift. A zero rd is a hint, so is allowed. */
static int
match_c_slli64 (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && EXTRACT_RVC_IMM (insn) == 0;
}
/* This is used for both srli and srai. This requires a non-zero shift.
A zero rd is not possible. */
static int
match_srxi_as_c_srxi (const struct riscv_opcode *op, insn_t insn)
{
return match_opcode (op, insn) && EXTRACT_RVC_IMM (insn) != 0;
}
const struct riscv_opcode riscv_opcodes[] =
{
/* name, xlen, isa, operands, match, mask, match_func, pinfo. */
{"unimp", 0, INSN_CLASS_C, "", 0, 0xffffU, match_opcode, INSN_ALIAS },
{"unimp", 0, INSN_CLASS_I, "", MATCH_CSRRW | (CSR_CYCLE << OP_SH_CSR), 0xffffffffU, match_opcode, 0 }, /* csrw cycle, x0 */
{"ebreak", 0, INSN_CLASS_C, "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS },
{"ebreak", 0, INSN_CLASS_I, "", MATCH_EBREAK, MASK_EBREAK, match_opcode, 0 },
{"sbreak", 0, INSN_CLASS_C, "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS },
{"sbreak", 0, INSN_CLASS_I, "", MATCH_EBREAK, MASK_EBREAK, match_opcode, INSN_ALIAS },
{"ret", 0, INSN_CLASS_C, "", MATCH_C_JR | (X_RA << OP_SH_RD), MASK_C_JR | MASK_RD, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"ret", 0, INSN_CLASS_I, "", MATCH_JALR | (X_RA << OP_SH_RS1), MASK_JALR | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"jr", 0, INSN_CLASS_C, "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, INSN_ALIAS|INSN_BRANCH },
{"jr", 0, INSN_CLASS_I, "s", MATCH_JALR, MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"jr", 0, INSN_CLASS_I, "o(s)", MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"jr", 0, INSN_CLASS_I, "s,j", MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"jalr", 0, INSN_CLASS_C, "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, INSN_ALIAS|INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "s", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS|INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "o(s)", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS|INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "s,j", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS|INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "d,s", MATCH_JALR, MASK_JALR | MASK_IMM, match_opcode, INSN_ALIAS|INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "d,o(s)", MATCH_JALR, MASK_JALR, match_opcode, INSN_JSR },
{"jalr", 0, INSN_CLASS_I, "d,s,j", MATCH_JALR, MASK_JALR, match_opcode, INSN_JSR },
{"j", 0, INSN_CLASS_C, "Ca", MATCH_C_J, MASK_C_J, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"j", 0, INSN_CLASS_I, "a", MATCH_JAL, MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS|INSN_BRANCH },
{"jal", 0, INSN_CLASS_I, "d,a", MATCH_JAL, MASK_JAL, match_opcode, INSN_JSR },
{"jal", 32, INSN_CLASS_C, "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, INSN_ALIAS|INSN_JSR },
{"jal", 0, INSN_CLASS_I, "a", MATCH_JAL | (X_RA << OP_SH_RD), MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS|INSN_JSR },
{"call", 0, INSN_CLASS_I, "d,c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO },
{"call", 0, INSN_CLASS_I, "c", (X_RA << OP_SH_RS1) | (X_RA << OP_SH_RD), (int) M_CALL, match_never, INSN_MACRO },
{"tail", 0, INSN_CLASS_I, "c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO },
{"jump", 0, INSN_CLASS_I, "c,s", 0, (int) M_CALL, match_never, INSN_MACRO },
{"nop", 0, INSN_CLASS_C, "", MATCH_C_ADDI, 0xffff, match_opcode, INSN_ALIAS },
{"nop", 0, INSN_CLASS_I, "", MATCH_ADDI, MASK_ADDI | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
{"lui", 0, INSN_CLASS_C, "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS },
{"lui", 0, INSN_CLASS_I, "d,u", MATCH_LUI, MASK_LUI, match_opcode, 0 },
{"li", 0, INSN_CLASS_C, "d,Cv", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS },
{"li", 0, INSN_CLASS_C, "d,Co", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, INSN_ALIAS },
{"li", 0, INSN_CLASS_I, "d,j", MATCH_ADDI, MASK_ADDI | MASK_RS1, match_opcode, INSN_ALIAS }, /* addi */
{"li", 0, INSN_CLASS_I, "d,I", 0, (int) M_LI, match_never, INSN_MACRO },
{"mv", 0, INSN_CLASS_C, "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
{"mv", 0, INSN_CLASS_I, "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS },
{"move", 0, INSN_CLASS_C, "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
{"move", 0, INSN_CLASS_I, "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS },
{"andi", 0, INSN_CLASS_C, "Cs,Cw,Co", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
{"andi", 0, INSN_CLASS_I, "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, 0 },
{"and", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_C, "Cs,Ct,Cw", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_C, "Cs,Cw,Co", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
{"and", 0, INSN_CLASS_I, "d,s,t", MATCH_AND, MASK_AND, match_opcode, 0 },
{"and", 0, INSN_CLASS_I, "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, INSN_ALIAS },
{"beqz", 0, INSN_CLASS_C, "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"beqz", 0, INSN_CLASS_I, "s,p", MATCH_BEQ, MASK_BEQ | MASK_RS2, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"beq", 0, INSN_CLASS_C, "Cs,Cz,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"beq", 0, INSN_CLASS_I, "s,t,p", MATCH_BEQ, MASK_BEQ, match_opcode, INSN_CONDBRANCH },
{"blez", 0, INSN_CLASS_I, "t,p", MATCH_BGE, MASK_BGE | MASK_RS1, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bgez", 0, INSN_CLASS_I, "s,p", MATCH_BGE, MASK_BGE | MASK_RS2, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bge", 0, INSN_CLASS_I, "s,t,p", MATCH_BGE, MASK_BGE, match_opcode, INSN_CONDBRANCH },
{"bgeu", 0, INSN_CLASS_I, "s,t,p", MATCH_BGEU, MASK_BGEU, match_opcode, INSN_CONDBRANCH },
{"ble", 0, INSN_CLASS_I, "t,s,p", MATCH_BGE, MASK_BGE, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bleu", 0, INSN_CLASS_I, "t,s,p", MATCH_BGEU, MASK_BGEU, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bltz", 0, INSN_CLASS_I, "s,p", MATCH_BLT, MASK_BLT | MASK_RS2, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bgtz", 0, INSN_CLASS_I, "t,p", MATCH_BLT, MASK_BLT | MASK_RS1, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"blt", 0, INSN_CLASS_I, "s,t,p", MATCH_BLT, MASK_BLT, match_opcode, INSN_CONDBRANCH },
{"bltu", 0, INSN_CLASS_I, "s,t,p", MATCH_BLTU, MASK_BLTU, match_opcode, INSN_CONDBRANCH },
{"bgt", 0, INSN_CLASS_I, "t,s,p", MATCH_BLT, MASK_BLT, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bgtu", 0, INSN_CLASS_I, "t,s,p", MATCH_BLTU, MASK_BLTU, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bnez", 0, INSN_CLASS_C, "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bnez", 0, INSN_CLASS_I, "s,p", MATCH_BNE, MASK_BNE | MASK_RS2, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bne", 0, INSN_CLASS_C, "Cs,Cz,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, INSN_ALIAS|INSN_CONDBRANCH },
{"bne", 0, INSN_CLASS_I, "s,t,p", MATCH_BNE, MASK_BNE, match_opcode, INSN_CONDBRANCH },
{"addi", 0, INSN_CLASS_C, "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_c_addi4spn, INSN_ALIAS },
{"addi", 0, INSN_CLASS_C, "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS },
{"addi", 0, INSN_CLASS_C, "d,CU,z", MATCH_C_NOP, MASK_C_ADDI | MASK_RVC_IMM, match_c_nop, INSN_ALIAS },
{"addi", 0, INSN_CLASS_C, "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_c_addi16sp, INSN_ALIAS },
{"addi", 0, INSN_CLASS_C, "d,Cz,Co", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, INSN_ALIAS },
{"addi", 0, INSN_CLASS_I, "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, 0 },
{"add", 0, INSN_CLASS_C, "d,CU,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS },
{"add", 0, INSN_CLASS_C, "d,CV,CU", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS },
{"add", 0, INSN_CLASS_C, "d,CU,Co", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS },
{"add", 0, INSN_CLASS_C, "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_c_addi4spn, INSN_ALIAS },
{"add", 0, INSN_CLASS_C, "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_c_addi16sp, INSN_ALIAS },
{"add", 0, INSN_CLASS_C, "d,Cz,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
{"add", 0, INSN_CLASS_I, "d,s,t", MATCH_ADD, MASK_ADD, match_opcode, 0 },
/* This is used for TLS, where the fourth arg is %tprel_add, to get a reloc
applied to an add instruction, for relaxation to use. */
{"add", 0, INSN_CLASS_I, "d,s,t,1",MATCH_ADD, MASK_ADD, match_opcode, 0 },
{"add", 0, INSN_CLASS_I, "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, INSN_ALIAS },
{"la", 0, INSN_CLASS_I, "d,B", 0, (int) M_LA, match_never, INSN_MACRO },
{"lla", 0, INSN_CLASS_I, "d,B", 0, (int) M_LLA, match_never, INSN_MACRO },
{"la.tls.gd", 0, INSN_CLASS_I, "d,A", 0, (int) M_LA_TLS_GD, match_never, INSN_MACRO },
{"la.tls.ie", 0, INSN_CLASS_I, "d,A", 0, (int) M_LA_TLS_IE, match_never, INSN_MACRO },
{"neg", 0, INSN_CLASS_I, "d,t", MATCH_SUB, MASK_SUB | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */
{"slli", 0, INSN_CLASS_C, "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_slli_as_c_slli, INSN_ALIAS },
{"slli", 0, INSN_CLASS_I, "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, 0 },
{"sll", 0, INSN_CLASS_C, "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_slli_as_c_slli, INSN_ALIAS },
{"sll", 0, INSN_CLASS_I, "d,s,t", MATCH_SLL, MASK_SLL, match_opcode, 0 },
{"sll", 0, INSN_CLASS_I, "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, INSN_ALIAS },
{"srli", 0, INSN_CLASS_C, "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_srxi_as_c_srxi, INSN_ALIAS },
{"srli", 0, INSN_CLASS_I, "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, 0 },
{"srl", 0, INSN_CLASS_C, "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_srxi_as_c_srxi, INSN_ALIAS },
{"srl", 0, INSN_CLASS_I, "d,s,t", MATCH_SRL, MASK_SRL, match_opcode, 0 },
{"srl", 0, INSN_CLASS_I, "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, INSN_ALIAS },
{"srai", 0, INSN_CLASS_C, "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_srxi_as_c_srxi, INSN_ALIAS },
{"srai", 0, INSN_CLASS_I, "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, 0 },
{"sra", 0, INSN_CLASS_C, "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_srxi_as_c_srxi, INSN_ALIAS },
{"sra", 0, INSN_CLASS_I, "d,s,t", MATCH_SRA, MASK_SRA, match_opcode, 0 },
{"sra", 0, INSN_CLASS_I, "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, INSN_ALIAS },
{"sub", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, INSN_ALIAS },
{"sub", 0, INSN_CLASS_I, "d,s,t", MATCH_SUB, MASK_SUB, match_opcode, 0 },
{"lb", 0, INSN_CLASS_I, "d,o(s)", MATCH_LB, MASK_LB, match_opcode, INSN_DREF|INSN_1_BYTE },
{"lb", 0, INSN_CLASS_I, "d,A", 0, (int) M_LB, match_never, INSN_MACRO },
{"lbu", 0, INSN_CLASS_I, "d,o(s)", MATCH_LBU, MASK_LBU, match_opcode, INSN_DREF|INSN_1_BYTE },
{"lbu", 0, INSN_CLASS_I, "d,A", 0, (int) M_LBU, match_never, INSN_MACRO },
{"lh", 0, INSN_CLASS_I, "d,o(s)", MATCH_LH, MASK_LH, match_opcode, INSN_DREF|INSN_2_BYTE },
{"lh", 0, INSN_CLASS_I, "d,A", 0, (int) M_LH, match_never, INSN_MACRO },
{"lhu", 0, INSN_CLASS_I, "d,o(s)", MATCH_LHU, MASK_LHU, match_opcode, INSN_DREF|INSN_2_BYTE },
{"lhu", 0, INSN_CLASS_I, "d,A", 0, (int) M_LHU, match_never, INSN_MACRO },
{"lw", 0, INSN_CLASS_C, "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_C, "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_I, "d,o(s)", MATCH_LW, MASK_LW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lw", 0, INSN_CLASS_I, "d,A", 0, (int) M_LW, match_never, INSN_MACRO },
{"not", 0, INSN_CLASS_I, "d,s", MATCH_XORI | MASK_IMM, MASK_XORI | MASK_IMM, match_opcode, INSN_ALIAS },
{"ori", 0, INSN_CLASS_I, "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, 0 },
{"or", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS },
{"or", 0, INSN_CLASS_C, "Cs,Ct,Cw", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS },
{"or", 0, INSN_CLASS_I, "d,s,t", MATCH_OR, MASK_OR, match_opcode, 0 },
{"or", 0, INSN_CLASS_I, "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, INSN_ALIAS },
{"auipc", 0, INSN_CLASS_I, "d,u", MATCH_AUIPC, MASK_AUIPC, match_opcode, 0 },
{"seqz", 0, INSN_CLASS_I, "d,s", MATCH_SLTIU | ENCODE_ITYPE_IMM (1), MASK_SLTIU | MASK_IMM, match_opcode, INSN_ALIAS },
{"snez", 0, INSN_CLASS_I, "d,t", MATCH_SLTU, MASK_SLTU | MASK_RS1, match_opcode, INSN_ALIAS },
{"sltz", 0, INSN_CLASS_I, "d,s", MATCH_SLT, MASK_SLT | MASK_RS2, match_opcode, INSN_ALIAS },
{"sgtz", 0, INSN_CLASS_I, "d,t", MATCH_SLT, MASK_SLT | MASK_RS1, match_opcode, INSN_ALIAS },
{"slti", 0, INSN_CLASS_I, "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, 0 },
{"slt", 0, INSN_CLASS_I, "d,s,t", MATCH_SLT, MASK_SLT, match_opcode, 0 },
{"slt", 0, INSN_CLASS_I, "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, INSN_ALIAS },
{"sltiu", 0, INSN_CLASS_I, "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, 0 },
{"sltu", 0, INSN_CLASS_I, "d,s,t", MATCH_SLTU, MASK_SLTU, match_opcode, 0 },
{"sltu", 0, INSN_CLASS_I, "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, INSN_ALIAS },
{"sgt", 0, INSN_CLASS_I, "d,t,s", MATCH_SLT, MASK_SLT, match_opcode, INSN_ALIAS },
{"sgtu", 0, INSN_CLASS_I, "d,t,s", MATCH_SLTU, MASK_SLTU, match_opcode, INSN_ALIAS },
{"sb", 0, INSN_CLASS_I, "t,q(s)", MATCH_SB, MASK_SB, match_opcode, INSN_DREF|INSN_1_BYTE },
{"sb", 0, INSN_CLASS_I, "t,A,s", 0, (int) M_SB, match_never, INSN_MACRO },
{"sh", 0, INSN_CLASS_I, "t,q(s)", MATCH_SH, MASK_SH, match_opcode, INSN_DREF|INSN_2_BYTE },
{"sh", 0, INSN_CLASS_I, "t,A,s", 0, (int) M_SH, match_never, INSN_MACRO },
{"sw", 0, INSN_CLASS_C, "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"sw", 0, INSN_CLASS_C, "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"sw", 0, INSN_CLASS_I, "t,q(s)", MATCH_SW, MASK_SW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"sw", 0, INSN_CLASS_I, "t,A,s", 0, (int) M_SW, match_never, INSN_MACRO },
{"fence", 0, INSN_CLASS_I, "", MATCH_FENCE | MASK_PRED | MASK_SUCC, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
{"fence", 0, INSN_CLASS_I, "P,Q", MATCH_FENCE, MASK_FENCE | MASK_RD | MASK_RS1 | (MASK_IMM & ~MASK_PRED & ~MASK_SUCC), match_opcode, 0 },
{"fence.i", 0, INSN_CLASS_I, "", MATCH_FENCE_I, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, 0 },
{"fence.tso", 0, INSN_CLASS_I, "", MATCH_FENCE_TSO, MASK_FENCE_TSO | MASK_RD | MASK_RS1, match_opcode, INSN_ALIAS },
{"rdcycle", 0, INSN_CLASS_I, "d", MATCH_RDCYCLE, MASK_RDCYCLE, match_opcode, INSN_ALIAS },
{"rdinstret", 0, INSN_CLASS_I, "d", MATCH_RDINSTRET, MASK_RDINSTRET, match_opcode, INSN_ALIAS },
{"rdtime", 0, INSN_CLASS_I, "d", MATCH_RDTIME, MASK_RDTIME, match_opcode, INSN_ALIAS },
{"rdcycleh", 32, INSN_CLASS_I, "d", MATCH_RDCYCLEH, MASK_RDCYCLEH, match_opcode, INSN_ALIAS },
{"rdinstreth", 32, INSN_CLASS_I, "d", MATCH_RDINSTRETH, MASK_RDINSTRETH, match_opcode, INSN_ALIAS },
{"rdtimeh", 32, INSN_CLASS_I, "d", MATCH_RDTIMEH, MASK_RDTIMEH, match_opcode, INSN_ALIAS },
{"ecall", 0, INSN_CLASS_I, "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
{"scall", 0, INSN_CLASS_I, "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
{"xori", 0, INSN_CLASS_I, "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, 0 },
{"xor", 0, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS },
{"xor", 0, INSN_CLASS_C, "Cs,Ct,Cw", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS },
{"xor", 0, INSN_CLASS_I, "d,s,t", MATCH_XOR, MASK_XOR, match_opcode, 0 },
{"xor", 0, INSN_CLASS_I, "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, INSN_ALIAS },
{"lwu", 64, INSN_CLASS_I, "d,o(s)", MATCH_LWU, MASK_LWU, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lwu", 64, INSN_CLASS_I, "d,A", 0, (int) M_LWU, match_never, INSN_MACRO },
{"ld", 64, INSN_CLASS_C, "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"ld", 64, INSN_CLASS_C, "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"ld", 64, INSN_CLASS_I, "d,o(s)", MATCH_LD, MASK_LD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"ld", 64, INSN_CLASS_I, "d,A", 0, (int) M_LD, match_never, INSN_MACRO },
{"sd", 64, INSN_CLASS_C, "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"sd", 64, INSN_CLASS_C, "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"sd", 64, INSN_CLASS_I, "t,q(s)", MATCH_SD, MASK_SD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"sd", 64, INSN_CLASS_I, "t,A,s", 0, (int) M_SD, match_never, INSN_MACRO },
{"sext.w", 64, INSN_CLASS_C, "d,CU", MATCH_C_ADDIW, MASK_C_ADDIW | MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS },
{"sext.w", 64, INSN_CLASS_I, "d,s", MATCH_ADDIW, MASK_ADDIW | MASK_IMM, match_opcode, INSN_ALIAS },
{"addiw", 64, INSN_CLASS_C, "d,CU,Co", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS },
{"addiw", 64, INSN_CLASS_I, "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, 0 },
{"addw", 64, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS },
{"addw", 64, INSN_CLASS_C, "Cs,Ct,Cw", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS },
{"addw", 64, INSN_CLASS_C, "d,CU,Co", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS },
{"addw", 64, INSN_CLASS_I, "d,s,t", MATCH_ADDW, MASK_ADDW, match_opcode, 0 },
{"addw", 64, INSN_CLASS_I, "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, INSN_ALIAS },
{"negw", 64, INSN_CLASS_I, "d,t", MATCH_SUBW, MASK_SUBW | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */
{"slliw", 64, INSN_CLASS_I, "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, 0 },
{"sllw", 64, INSN_CLASS_I, "d,s,t", MATCH_SLLW, MASK_SLLW, match_opcode, 0 },
{"sllw", 64, INSN_CLASS_I, "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, INSN_ALIAS },
{"srliw", 64, INSN_CLASS_I, "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, 0 },
{"srlw", 64, INSN_CLASS_I, "d,s,t", MATCH_SRLW, MASK_SRLW, match_opcode, 0 },
{"srlw", 64, INSN_CLASS_I, "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, INSN_ALIAS },
{"sraiw", 64, INSN_CLASS_I, "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, 0 },
{"sraw", 64, INSN_CLASS_I, "d,s,t", MATCH_SRAW, MASK_SRAW, match_opcode, 0 },
{"sraw", 64, INSN_CLASS_I, "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, INSN_ALIAS },
{"subw", 64, INSN_CLASS_C, "Cs,Cw,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, INSN_ALIAS },
{"subw", 64, INSN_CLASS_I, "d,s,t", MATCH_SUBW, MASK_SUBW, match_opcode, 0 },
/* Atomic memory operation instruction subset */
{"lr.w", 0, INSN_CLASS_A, "d,0(s)", MATCH_LR_W, MASK_LR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"sc.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_SC_W, MASK_SC_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoadd.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOADD_W, MASK_AMOADD_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoswap.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOSWAP_W, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoand.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOAND_W, MASK_AMOAND_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoor.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOOR_W, MASK_AMOOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoxor.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOXOR_W, MASK_AMOXOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomax.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAX_W, MASK_AMOMAX_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomaxu.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAXU_W, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomin.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMIN_W, MASK_AMOMIN_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amominu.w", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMINU_W, MASK_AMOMINU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lr.w.aq", 0, INSN_CLASS_A, "d,0(s)", MATCH_LR_W | MASK_AQ, MASK_LR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"sc.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_SC_W | MASK_AQ, MASK_SC_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoadd.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOADD_W | MASK_AQ, MASK_AMOADD_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoswap.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQ, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoand.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOAND_W | MASK_AQ, MASK_AMOAND_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoor.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOOR_W | MASK_AQ, MASK_AMOOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoxor.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQ, MASK_AMOXOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomax.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQ, MASK_AMOMAX_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomaxu.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQ, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomin.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQ, MASK_AMOMIN_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amominu.w.aq", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQ, MASK_AMOMINU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lr.w.rl", 0, INSN_CLASS_A, "d,0(s)", MATCH_LR_W | MASK_RL, MASK_LR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"sc.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_SC_W | MASK_RL, MASK_SC_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoadd.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOADD_W | MASK_RL, MASK_AMOADD_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoswap.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOSWAP_W | MASK_RL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoand.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOAND_W | MASK_RL, MASK_AMOAND_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoor.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOOR_W | MASK_RL, MASK_AMOOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoxor.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOXOR_W | MASK_RL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomax.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAX_W | MASK_RL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomaxu.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAXU_W | MASK_RL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomin.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMIN_W | MASK_RL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amominu.w.rl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMINU_W | MASK_RL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lr.w.aqrl", 0, INSN_CLASS_A, "d,0(s)", MATCH_LR_W | MASK_AQRL, MASK_LR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"sc.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_SC_W | MASK_AQRL, MASK_SC_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoadd.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOADD_W | MASK_AQRL, MASK_AMOADD_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoswap.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQRL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoand.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOAND_W | MASK_AQRL, MASK_AMOAND_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoor.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOOR_W | MASK_AQRL, MASK_AMOOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amoxor.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQRL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomax.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQRL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomaxu.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQRL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amomin.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQRL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"amominu.w.aqrl", 0, INSN_CLASS_A, "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQRL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, INSN_DREF|INSN_4_BYTE },
{"lr.d", 64, INSN_CLASS_A , "d,0(s)", MATCH_LR_D, MASK_LR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"sc.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_SC_D, MASK_SC_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoadd.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOADD_D, MASK_AMOADD_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoswap.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOSWAP_D, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoand.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOAND_D, MASK_AMOAND_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoor.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOOR_D, MASK_AMOOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoxor.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOXOR_D, MASK_AMOXOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomax.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAX_D, MASK_AMOMAX_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomaxu.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAXU_D, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomin.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMIN_D, MASK_AMOMIN_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amominu.d", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMINU_D, MASK_AMOMINU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"lr.d.aq", 64, INSN_CLASS_A , "d,0(s)", MATCH_LR_D | MASK_AQ, MASK_LR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"sc.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_SC_D | MASK_AQ, MASK_SC_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoadd.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOADD_D | MASK_AQ, MASK_AMOADD_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoswap.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQ, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoand.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOAND_D | MASK_AQ, MASK_AMOAND_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoor.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOOR_D | MASK_AQ, MASK_AMOOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoxor.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQ, MASK_AMOXOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomax.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQ, MASK_AMOMAX_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomaxu.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQ, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomin.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQ, MASK_AMOMIN_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amominu.d.aq", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQ, MASK_AMOMINU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"lr.d.rl", 64, INSN_CLASS_A , "d,0(s)", MATCH_LR_D | MASK_RL, MASK_LR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"sc.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_SC_D | MASK_RL, MASK_SC_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoadd.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOADD_D | MASK_RL, MASK_AMOADD_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoswap.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOSWAP_D | MASK_RL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoand.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOAND_D | MASK_RL, MASK_AMOAND_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoor.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOOR_D | MASK_RL, MASK_AMOOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoxor.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOXOR_D | MASK_RL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomax.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAX_D | MASK_RL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomaxu.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAXU_D | MASK_RL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomin.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMIN_D | MASK_RL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amominu.d.rl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMINU_D | MASK_RL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"lr.d.aqrl", 64, INSN_CLASS_A , "d,0(s)", MATCH_LR_D | MASK_AQRL, MASK_LR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"sc.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_SC_D | MASK_AQRL, MASK_SC_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoadd.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOADD_D | MASK_AQRL, MASK_AMOADD_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoswap.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQRL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoand.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOAND_D | MASK_AQRL, MASK_AMOAND_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoor.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOOR_D | MASK_AQRL, MASK_AMOOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amoxor.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQRL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomax.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQRL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomaxu.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQRL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amomin.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQRL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
{"amominu.d.aqrl", 64, INSN_CLASS_A , "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQRL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, INSN_DREF|INSN_8_BYTE },
/* Multiply/Divide instruction subset */
{"mul", 0, INSN_CLASS_M, "d,s,t", MATCH_MUL, MASK_MUL, match_opcode, 0 },
{"mulh", 0, INSN_CLASS_M, "d,s,t", MATCH_MULH, MASK_MULH, match_opcode, 0 },
{"mulhu", 0, INSN_CLASS_M, "d,s,t", MATCH_MULHU, MASK_MULHU, match_opcode, 0 },
{"mulhsu", 0, INSN_CLASS_M, "d,s,t", MATCH_MULHSU, MASK_MULHSU, match_opcode, 0 },
{"div", 0, INSN_CLASS_M, "d,s,t", MATCH_DIV, MASK_DIV, match_opcode, 0 },
{"divu", 0, INSN_CLASS_M, "d,s,t", MATCH_DIVU, MASK_DIVU, match_opcode, 0 },
{"rem", 0, INSN_CLASS_M, "d,s,t", MATCH_REM, MASK_REM, match_opcode, 0 },
{"remu", 0, INSN_CLASS_M, "d,s,t", MATCH_REMU, MASK_REMU, match_opcode, 0 },
{"mulw", 64, INSN_CLASS_M, "d,s,t", MATCH_MULW, MASK_MULW, match_opcode, 0 },
{"divw", 64, INSN_CLASS_M, "d,s,t", MATCH_DIVW, MASK_DIVW, match_opcode, 0 },
{"divuw", 64, INSN_CLASS_M, "d,s,t", MATCH_DIVUW, MASK_DIVUW, match_opcode, 0 },
{"remw", 64, INSN_CLASS_M, "d,s,t", MATCH_REMW, MASK_REMW, match_opcode, 0 },
{"remuw", 64, INSN_CLASS_M, "d,s,t", MATCH_REMUW, MASK_REMUW, match_opcode, 0 },
/* Single-precision floating-point instruction subset */
{"frcsr", 0, INSN_CLASS_F, "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, INSN_ALIAS },
{"frsr", 0, INSN_CLASS_F, "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, INSN_ALIAS },
{"fscsr", 0, INSN_CLASS_F, "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, INSN_ALIAS },
{"fscsr", 0, INSN_CLASS_F, "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, INSN_ALIAS },
{"fssr", 0, INSN_CLASS_F, "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, INSN_ALIAS },
{"fssr", 0, INSN_CLASS_F, "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, INSN_ALIAS },
{"frrm", 0, INSN_CLASS_F, "d", MATCH_FRRM, MASK_FRRM, match_opcode, INSN_ALIAS },
{"fsrm", 0, INSN_CLASS_F, "s", MATCH_FSRM, MASK_FSRM | MASK_RD, match_opcode, INSN_ALIAS },
{"fsrm", 0, INSN_CLASS_F, "d,s", MATCH_FSRM, MASK_FSRM, match_opcode, INSN_ALIAS },
{"fsrmi", 0, INSN_CLASS_F, "d,Z", MATCH_FSRMI, MASK_FSRMI, match_opcode, INSN_ALIAS },
{"fsrmi", 0, INSN_CLASS_F, "Z", MATCH_FSRMI, MASK_FSRMI | MASK_RD, match_opcode, INSN_ALIAS },
{"frflags", 0, INSN_CLASS_F, "d", MATCH_FRFLAGS, MASK_FRFLAGS, match_opcode, INSN_ALIAS },
{"fsflags", 0, INSN_CLASS_F, "s", MATCH_FSFLAGS, MASK_FSFLAGS | MASK_RD, match_opcode, INSN_ALIAS },
{"fsflags", 0, INSN_CLASS_F, "d,s", MATCH_FSFLAGS, MASK_FSFLAGS, match_opcode, INSN_ALIAS },
{"fsflagsi", 0, INSN_CLASS_F, "d,Z", MATCH_FSFLAGSI, MASK_FSFLAGSI, match_opcode, INSN_ALIAS },
{"fsflagsi", 0, INSN_CLASS_F, "Z", MATCH_FSFLAGSI, MASK_FSFLAGSI | MASK_RD, match_opcode, INSN_ALIAS },
{"flw", 32, INSN_CLASS_F_AND_C, "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"flw", 32, INSN_CLASS_F_AND_C, "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"flw", 0, INSN_CLASS_F, "D,o(s)", MATCH_FLW, MASK_FLW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"flw", 0, INSN_CLASS_F, "D,A,s", 0, (int) M_FLW, match_never, INSN_MACRO },
{"fsw", 32, INSN_CLASS_F_AND_C, "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"fsw", 32, INSN_CLASS_F_AND_C, "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, INSN_ALIAS|INSN_DREF|INSN_4_BYTE },
{"fsw", 0, INSN_CLASS_F, "T,q(s)", MATCH_FSW, MASK_FSW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"fsw", 0, INSN_CLASS_F, "T,A,s", 0, (int) M_FSW, match_never, INSN_MACRO },
{"fmv.x.w", 0, INSN_CLASS_F, "d,S", MATCH_FMV_X_S, MASK_FMV_X_S, match_opcode, 0 },
{"fmv.w.x", 0, INSN_CLASS_F, "D,s", MATCH_FMV_S_X, MASK_FMV_S_X, match_opcode, 0 },
{"fmv.x.s", 0, INSN_CLASS_F, "d,S", MATCH_FMV_X_S, MASK_FMV_X_S, match_opcode, 0 },
{"fmv.s.x", 0, INSN_CLASS_F, "D,s", MATCH_FMV_S_X, MASK_FMV_S_X, match_opcode, 0 },
{"fmv.s", 0, INSN_CLASS_F, "D,U", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_rs1_eq_rs2, INSN_ALIAS },
{"fneg.s", 0, INSN_CLASS_F, "D,U", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_rs1_eq_rs2, INSN_ALIAS },
{"fabs.s", 0, INSN_CLASS_F, "D,U", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_rs1_eq_rs2, INSN_ALIAS },
{"fsgnj.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_opcode, 0 },
{"fsgnjn.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_opcode, 0 },
{"fsgnjx.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_opcode, 0 },
{"fadd.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FADD_S | MASK_RM, MASK_FADD_S | MASK_RM, match_opcode, 0 },
{"fadd.s", 0, INSN_CLASS_F, "D,S,T,m", MATCH_FADD_S, MASK_FADD_S, match_opcode, 0 },
{"fsub.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FSUB_S | MASK_RM, MASK_FSUB_S | MASK_RM, match_opcode, 0 },
{"fsub.s", 0, INSN_CLASS_F, "D,S,T,m", MATCH_FSUB_S, MASK_FSUB_S, match_opcode, 0 },
{"fmul.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FMUL_S | MASK_RM, MASK_FMUL_S | MASK_RM, match_opcode, 0 },
{"fmul.s", 0, INSN_CLASS_F, "D,S,T,m", MATCH_FMUL_S, MASK_FMUL_S, match_opcode, 0 },
{"fdiv.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FDIV_S | MASK_RM, MASK_FDIV_S | MASK_RM, match_opcode, 0 },
{"fdiv.s", 0, INSN_CLASS_F, "D,S,T,m", MATCH_FDIV_S, MASK_FDIV_S, match_opcode, 0 },
{"fsqrt.s", 0, INSN_CLASS_F, "D,S", MATCH_FSQRT_S | MASK_RM, MASK_FSQRT_S | MASK_RM, match_opcode, 0 },
{"fsqrt.s", 0, INSN_CLASS_F, "D,S,m", MATCH_FSQRT_S, MASK_FSQRT_S, match_opcode, 0 },
{"fmin.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FMIN_S, MASK_FMIN_S, match_opcode, 0 },
{"fmax.s", 0, INSN_CLASS_F, "D,S,T", MATCH_FMAX_S, MASK_FMAX_S, match_opcode, 0 },
{"fmadd.s", 0, INSN_CLASS_F, "D,S,T,R", MATCH_FMADD_S | MASK_RM, MASK_FMADD_S | MASK_RM, match_opcode, 0 },
{"fmadd.s", 0, INSN_CLASS_F, "D,S,T,R,m", MATCH_FMADD_S, MASK_FMADD_S, match_opcode, 0 },
{"fnmadd.s", 0, INSN_CLASS_F, "D,S,T,R", MATCH_FNMADD_S | MASK_RM, MASK_FNMADD_S | MASK_RM, match_opcode, 0 },
{"fnmadd.s", 0, INSN_CLASS_F, "D,S,T,R,m", MATCH_FNMADD_S, MASK_FNMADD_S, match_opcode, 0 },
{"fmsub.s", 0, INSN_CLASS_F, "D,S,T,R", MATCH_FMSUB_S | MASK_RM, MASK_FMSUB_S | MASK_RM, match_opcode, 0 },
{"fmsub.s", 0, INSN_CLASS_F, "D,S,T,R,m", MATCH_FMSUB_S, MASK_FMSUB_S, match_opcode, 0 },
{"fnmsub.s", 0, INSN_CLASS_F, "D,S,T,R", MATCH_FNMSUB_S | MASK_RM, MASK_FNMSUB_S | MASK_RM, match_opcode, 0 },
{"fnmsub.s", 0, INSN_CLASS_F, "D,S,T,R,m", MATCH_FNMSUB_S, MASK_FNMSUB_S, match_opcode, 0 },
{"fcvt.w.s", 0, INSN_CLASS_F, "d,S", MATCH_FCVT_W_S | MASK_RM, MASK_FCVT_W_S | MASK_RM, match_opcode, 0 },
{"fcvt.w.s", 0, INSN_CLASS_F, "d,S,m", MATCH_FCVT_W_S, MASK_FCVT_W_S, match_opcode, 0 },
{"fcvt.wu.s", 0, INSN_CLASS_F, "d,S", MATCH_FCVT_WU_S | MASK_RM, MASK_FCVT_WU_S | MASK_RM, match_opcode, 0 },
{"fcvt.wu.s", 0, INSN_CLASS_F, "d,S,m", MATCH_FCVT_WU_S, MASK_FCVT_WU_S, match_opcode, 0 },
{"fcvt.s.w", 0, INSN_CLASS_F, "D,s", MATCH_FCVT_S_W | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 },
{"fcvt.s.w", 0, INSN_CLASS_F, "D,s,m", MATCH_FCVT_S_W, MASK_FCVT_S_W, match_opcode, 0 },
{"fcvt.s.wu", 0, INSN_CLASS_F, "D,s", MATCH_FCVT_S_WU | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 },
{"fcvt.s.wu", 0, INSN_CLASS_F, "D,s,m", MATCH_FCVT_S_WU, MASK_FCVT_S_WU, match_opcode, 0 },
{"fclass.s", 0, INSN_CLASS_F, "d,S", MATCH_FCLASS_S, MASK_FCLASS_S, match_opcode, 0 },
{"feq.s", 0, INSN_CLASS_F, "d,S,T", MATCH_FEQ_S, MASK_FEQ_S, match_opcode, 0 },
{"flt.s", 0, INSN_CLASS_F, "d,S,T", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 },
{"fle.s", 0, INSN_CLASS_F, "d,S,T", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 },
{"fgt.s", 0, INSN_CLASS_F, "d,T,S", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 },
{"fge.s", 0, INSN_CLASS_F, "d,T,S", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 },
{"fcvt.l.s", 64, INSN_CLASS_F, "d,S", MATCH_FCVT_L_S | MASK_RM, MASK_FCVT_L_S | MASK_RM, match_opcode, 0 },
{"fcvt.l.s", 64, INSN_CLASS_F, "d,S,m", MATCH_FCVT_L_S, MASK_FCVT_L_S, match_opcode, 0 },
{"fcvt.lu.s", 64, INSN_CLASS_F, "d,S", MATCH_FCVT_LU_S | MASK_RM, MASK_FCVT_LU_S | MASK_RM, match_opcode, 0 },
{"fcvt.lu.s", 64, INSN_CLASS_F, "d,S,m", MATCH_FCVT_LU_S, MASK_FCVT_LU_S, match_opcode, 0 },
{"fcvt.s.l", 64, INSN_CLASS_F, "D,s", MATCH_FCVT_S_L | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 },
{"fcvt.s.l", 64, INSN_CLASS_F, "D,s,m", MATCH_FCVT_S_L, MASK_FCVT_S_L, match_opcode, 0 },
{"fcvt.s.lu", 64, INSN_CLASS_F, "D,s", MATCH_FCVT_S_LU | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 },
{"fcvt.s.lu", 64, INSN_CLASS_F, "D,s,m", MATCH_FCVT_S_LU, MASK_FCVT_S_LU, match_opcode, 0 },
/* Double-precision floating-point instruction subset */
{"fld", 0, INSN_CLASS_D_AND_C, "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"fld", 0, INSN_CLASS_D_AND_C, "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"fld", 0, INSN_CLASS_D, "D,o(s)", MATCH_FLD, MASK_FLD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"fld", 0, INSN_CLASS_D, "D,A,s", 0, (int) M_FLD, match_never, INSN_MACRO },
{"fsd", 0, INSN_CLASS_D_AND_C, "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"fsd", 0, INSN_CLASS_D_AND_C, "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, INSN_ALIAS|INSN_DREF|INSN_8_BYTE },
{"fsd", 0, INSN_CLASS_D, "T,q(s)", MATCH_FSD, MASK_FSD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"fsd", 0, INSN_CLASS_D, "T,A,s", 0, (int) M_FSD, match_never, INSN_MACRO },
{"fmv.d", 0, INSN_CLASS_D, "D,U", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_rs1_eq_rs2, INSN_ALIAS },
{"fneg.d", 0, INSN_CLASS_D, "D,U", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_rs1_eq_rs2, INSN_ALIAS },
{"fabs.d", 0, INSN_CLASS_D, "D,U", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_rs1_eq_rs2, INSN_ALIAS },
{"fsgnj.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_opcode, 0 },
{"fsgnjn.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_opcode, 0 },
{"fsgnjx.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_opcode, 0 },
{"fadd.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FADD_D | MASK_RM, MASK_FADD_D | MASK_RM, match_opcode, 0 },
{"fadd.d", 0, INSN_CLASS_D, "D,S,T,m", MATCH_FADD_D, MASK_FADD_D, match_opcode, 0 },
{"fsub.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FSUB_D | MASK_RM, MASK_FSUB_D | MASK_RM, match_opcode, 0 },
{"fsub.d", 0, INSN_CLASS_D, "D,S,T,m", MATCH_FSUB_D, MASK_FSUB_D, match_opcode, 0 },
{"fmul.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FMUL_D | MASK_RM, MASK_FMUL_D | MASK_RM, match_opcode, 0 },
{"fmul.d", 0, INSN_CLASS_D, "D,S,T,m", MATCH_FMUL_D, MASK_FMUL_D, match_opcode, 0 },
{"fdiv.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FDIV_D | MASK_RM, MASK_FDIV_D | MASK_RM, match_opcode, 0 },
{"fdiv.d", 0, INSN_CLASS_D, "D,S,T,m", MATCH_FDIV_D, MASK_FDIV_D, match_opcode, 0 },
{"fsqrt.d", 0, INSN_CLASS_D, "D,S", MATCH_FSQRT_D | MASK_RM, MASK_FSQRT_D | MASK_RM, match_opcode, 0 },
{"fsqrt.d", 0, INSN_CLASS_D, "D,S,m", MATCH_FSQRT_D, MASK_FSQRT_D, match_opcode, 0 },
{"fmin.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FMIN_D, MASK_FMIN_D, match_opcode, 0 },
{"fmax.d", 0, INSN_CLASS_D, "D,S,T", MATCH_FMAX_D, MASK_FMAX_D, match_opcode, 0 },
{"fmadd.d", 0, INSN_CLASS_D, "D,S,T,R", MATCH_FMADD_D | MASK_RM, MASK_FMADD_D | MASK_RM, match_opcode, 0 },
{"fmadd.d", 0, INSN_CLASS_D, "D,S,T,R,m", MATCH_FMADD_D, MASK_FMADD_D, match_opcode, 0 },
{"fnmadd.d", 0, INSN_CLASS_D, "D,S,T,R", MATCH_FNMADD_D | MASK_RM, MASK_FNMADD_D | MASK_RM, match_opcode, 0 },
{"fnmadd.d", 0, INSN_CLASS_D, "D,S,T,R,m", MATCH_FNMADD_D, MASK_FNMADD_D, match_opcode, 0 },
{"fmsub.d", 0, INSN_CLASS_D, "D,S,T,R", MATCH_FMSUB_D | MASK_RM, MASK_FMSUB_D | MASK_RM, match_opcode, 0 },
{"fmsub.d", 0, INSN_CLASS_D, "D,S,T,R,m", MATCH_FMSUB_D, MASK_FMSUB_D, match_opcode, 0 },
{"fnmsub.d", 0, INSN_CLASS_D, "D,S,T,R", MATCH_FNMSUB_D | MASK_RM, MASK_FNMSUB_D | MASK_RM, match_opcode, 0 },
{"fnmsub.d", 0, INSN_CLASS_D, "D,S,T,R,m", MATCH_FNMSUB_D, MASK_FNMSUB_D, match_opcode, 0 },
{"fcvt.w.d", 0, INSN_CLASS_D, "d,S", MATCH_FCVT_W_D | MASK_RM, MASK_FCVT_W_D | MASK_RM, match_opcode, 0 },
{"fcvt.w.d", 0, INSN_CLASS_D, "d,S,m", MATCH_FCVT_W_D, MASK_FCVT_W_D, match_opcode, 0 },
{"fcvt.wu.d", 0, INSN_CLASS_D, "d,S", MATCH_FCVT_WU_D | MASK_RM, MASK_FCVT_WU_D | MASK_RM, match_opcode, 0 },
{"fcvt.wu.d", 0, INSN_CLASS_D, "d,S,m", MATCH_FCVT_WU_D, MASK_FCVT_WU_D, match_opcode, 0 },
{"fcvt.d.w", 0, INSN_CLASS_D, "D,s", MATCH_FCVT_D_W, MASK_FCVT_D_W | MASK_RM, match_opcode, 0 },
{"fcvt.d.wu", 0, INSN_CLASS_D, "D,s", MATCH_FCVT_D_WU, MASK_FCVT_D_WU | MASK_RM, match_opcode, 0 },
{"fcvt.d.s", 0, INSN_CLASS_D, "D,S", MATCH_FCVT_D_S, MASK_FCVT_D_S | MASK_RM, match_opcode, 0 },
{"fcvt.s.d", 0, INSN_CLASS_D, "D,S", MATCH_FCVT_S_D | MASK_RM, MASK_FCVT_S_D | MASK_RM, match_opcode, 0 },
{"fcvt.s.d", 0, INSN_CLASS_D, "D,S,m", MATCH_FCVT_S_D, MASK_FCVT_S_D, match_opcode, 0 },
{"fclass.d", 0, INSN_CLASS_D, "d,S", MATCH_FCLASS_D, MASK_FCLASS_D, match_opcode, 0 },
{"feq.d", 0, INSN_CLASS_D, "d,S,T", MATCH_FEQ_D, MASK_FEQ_D, match_opcode, 0 },
{"flt.d", 0, INSN_CLASS_D, "d,S,T", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 },
{"fle.d", 0, INSN_CLASS_D, "d,S,T", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 },
{"fgt.d", 0, INSN_CLASS_D, "d,T,S", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 },
{"fge.d", 0, INSN_CLASS_D, "d,T,S", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 },
{"fmv.x.d", 64, INSN_CLASS_D, "d,S", MATCH_FMV_X_D, MASK_FMV_X_D, match_opcode, 0 },
{"fmv.d.x", 64, INSN_CLASS_D, "D,s", MATCH_FMV_D_X, MASK_FMV_D_X, match_opcode, 0 },
{"fcvt.l.d", 64, INSN_CLASS_D, "d,S", MATCH_FCVT_L_D | MASK_RM, MASK_FCVT_L_D | MASK_RM, match_opcode, 0 },
{"fcvt.l.d", 64, INSN_CLASS_D, "d,S,m", MATCH_FCVT_L_D, MASK_FCVT_L_D, match_opcode, 0 },
{"fcvt.lu.d", 64, INSN_CLASS_D, "d,S", MATCH_FCVT_LU_D | MASK_RM, MASK_FCVT_LU_D | MASK_RM, match_opcode, 0 },
{"fcvt.lu.d", 64, INSN_CLASS_D, "d,S,m", MATCH_FCVT_LU_D, MASK_FCVT_LU_D, match_opcode, 0 },
{"fcvt.d.l", 64, INSN_CLASS_D, "D,s", MATCH_FCVT_D_L | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 },
{"fcvt.d.l", 64, INSN_CLASS_D, "D,s,m", MATCH_FCVT_D_L, MASK_FCVT_D_L, match_opcode, 0 },
{"fcvt.d.lu", 64, INSN_CLASS_D, "D,s", MATCH_FCVT_D_LU | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 },
{"fcvt.d.lu", 64, INSN_CLASS_D, "D,s,m", MATCH_FCVT_D_LU, MASK_FCVT_D_LU, match_opcode, 0 },
/* Quad-precision floating-point instruction subset */
{"flq", 0, INSN_CLASS_Q, "D,o(s)", MATCH_FLQ, MASK_FLQ, match_opcode, INSN_DREF|INSN_16_BYTE },
{"flq", 0, INSN_CLASS_Q, "D,A,s", 0, (int) M_FLQ, match_never, INSN_MACRO },
{"fsq", 0, INSN_CLASS_Q, "T,q(s)", MATCH_FSQ, MASK_FSQ, match_opcode, INSN_DREF|INSN_16_BYTE },
{"fsq", 0, INSN_CLASS_Q, "T,A,s", 0, (int) M_FSQ, match_never, INSN_MACRO },
{"fmv.q", 0, INSN_CLASS_Q, "D,U", MATCH_FSGNJ_Q, MASK_FSGNJ_Q, match_rs1_eq_rs2, INSN_ALIAS },
{"fneg.q", 0, INSN_CLASS_Q, "D,U", MATCH_FSGNJN_Q, MASK_FSGNJN_Q, match_rs1_eq_rs2, INSN_ALIAS },
{"fabs.q", 0, INSN_CLASS_Q, "D,U", MATCH_FSGNJX_Q, MASK_FSGNJX_Q, match_rs1_eq_rs2, INSN_ALIAS },
{"fsgnj.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FSGNJ_Q, MASK_FSGNJ_Q, match_opcode, 0 },
{"fsgnjn.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FSGNJN_Q, MASK_FSGNJN_Q, match_opcode, 0 },
{"fsgnjx.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FSGNJX_Q, MASK_FSGNJX_Q, match_opcode, 0 },
{"fadd.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FADD_Q | MASK_RM, MASK_FADD_Q | MASK_RM, match_opcode, 0 },
{"fadd.q", 0, INSN_CLASS_Q, "D,S,T,m", MATCH_FADD_Q, MASK_FADD_Q, match_opcode, 0 },
{"fsub.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FSUB_Q | MASK_RM, MASK_FSUB_Q | MASK_RM, match_opcode, 0 },
{"fsub.q", 0, INSN_CLASS_Q, "D,S,T,m", MATCH_FSUB_Q, MASK_FSUB_Q, match_opcode, 0 },
{"fmul.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FMUL_Q | MASK_RM, MASK_FMUL_Q | MASK_RM, match_opcode, 0 },
{"fmul.q", 0, INSN_CLASS_Q, "D,S,T,m", MATCH_FMUL_Q, MASK_FMUL_Q, match_opcode, 0 },
{"fdiv.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FDIV_Q | MASK_RM, MASK_FDIV_Q | MASK_RM, match_opcode, 0 },
{"fdiv.q", 0, INSN_CLASS_Q, "D,S,T,m", MATCH_FDIV_Q, MASK_FDIV_Q, match_opcode, 0 },
{"fsqrt.q", 0, INSN_CLASS_Q, "D,S", MATCH_FSQRT_Q | MASK_RM, MASK_FSQRT_Q | MASK_RM, match_opcode, 0 },
{"fsqrt.q", 0, INSN_CLASS_Q, "D,S,m", MATCH_FSQRT_Q, MASK_FSQRT_Q, match_opcode, 0 },
{"fmin.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FMIN_Q, MASK_FMIN_Q, match_opcode, 0 },
{"fmax.q", 0, INSN_CLASS_Q, "D,S,T", MATCH_FMAX_Q, MASK_FMAX_Q, match_opcode, 0 },
{"fmadd.q", 0, INSN_CLASS_Q, "D,S,T,R", MATCH_FMADD_Q | MASK_RM, MASK_FMADD_Q | MASK_RM, match_opcode, 0 },
{"fmadd.q", 0, INSN_CLASS_Q, "D,S,T,R,m", MATCH_FMADD_Q, MASK_FMADD_Q, match_opcode, 0 },
{"fnmadd.q", 0, INSN_CLASS_Q, "D,S,T,R", MATCH_FNMADD_Q | MASK_RM, MASK_FNMADD_Q | MASK_RM, match_opcode, 0 },
{"fnmadd.q", 0, INSN_CLASS_Q, "D,S,T,R,m", MATCH_FNMADD_Q, MASK_FNMADD_Q, match_opcode, 0 },
{"fmsub.q", 0, INSN_CLASS_Q, "D,S,T,R", MATCH_FMSUB_Q | MASK_RM, MASK_FMSUB_Q | MASK_RM, match_opcode, 0 },
{"fmsub.q", 0, INSN_CLASS_Q, "D,S,T,R,m", MATCH_FMSUB_Q, MASK_FMSUB_Q, match_opcode, 0 },
{"fnmsub.q", 0, INSN_CLASS_Q, "D,S,T,R", MATCH_FNMSUB_Q | MASK_RM, MASK_FNMSUB_Q | MASK_RM, match_opcode, 0 },
{"fnmsub.q", 0, INSN_CLASS_Q, "D,S,T,R,m", MATCH_FNMSUB_Q, MASK_FNMSUB_Q, match_opcode, 0 },
{"fcvt.w.q", 0, INSN_CLASS_Q, "d,S", MATCH_FCVT_W_Q | MASK_RM, MASK_FCVT_W_Q | MASK_RM, match_opcode, 0 },
{"fcvt.w.q", 0, INSN_CLASS_Q, "d,S,m", MATCH_FCVT_W_Q, MASK_FCVT_W_Q, match_opcode, 0 },
{"fcvt.wu.q", 0, INSN_CLASS_Q, "d,S", MATCH_FCVT_WU_Q | MASK_RM, MASK_FCVT_WU_Q | MASK_RM, match_opcode, 0 },
{"fcvt.wu.q", 0, INSN_CLASS_Q, "d,S,m", MATCH_FCVT_WU_Q, MASK_FCVT_WU_Q, match_opcode, 0 },
{"fcvt.q.w", 0, INSN_CLASS_Q, "D,s", MATCH_FCVT_Q_W, MASK_FCVT_Q_W | MASK_RM, match_opcode, 0 },
{"fcvt.q.wu", 0, INSN_CLASS_Q, "D,s", MATCH_FCVT_Q_WU, MASK_FCVT_Q_WU | MASK_RM, match_opcode, 0 },
{"fcvt.q.s", 0, INSN_CLASS_Q, "D,S", MATCH_FCVT_Q_S, MASK_FCVT_Q_S | MASK_RM, match_opcode, 0 },
{"fcvt.q.d", 0, INSN_CLASS_Q, "D,S", MATCH_FCVT_Q_D, MASK_FCVT_Q_D | MASK_RM, match_opcode, 0 },
{"fcvt.s.q", 0, INSN_CLASS_Q, "D,S", MATCH_FCVT_S_Q | MASK_RM, MASK_FCVT_S_Q | MASK_RM, match_opcode, 0 },
{"fcvt.s.q", 0, INSN_CLASS_Q, "D,S,m", MATCH_FCVT_S_Q, MASK_FCVT_S_Q, match_opcode, 0 },
{"fcvt.d.q", 0, INSN_CLASS_Q, "D,S", MATCH_FCVT_D_Q | MASK_RM, MASK_FCVT_D_Q | MASK_RM, match_opcode, 0 },
{"fcvt.d.q", 0, INSN_CLASS_Q, "D,S,m", MATCH_FCVT_D_Q, MASK_FCVT_D_Q, match_opcode, 0 },
{"fclass.q", 0, INSN_CLASS_Q, "d,S", MATCH_FCLASS_Q, MASK_FCLASS_Q, match_opcode, 0 },
{"feq.q", 0, INSN_CLASS_Q, "d,S,T", MATCH_FEQ_Q, MASK_FEQ_Q, match_opcode, 0 },
{"flt.q", 0, INSN_CLASS_Q, "d,S,T", MATCH_FLT_Q, MASK_FLT_Q, match_opcode, 0 },
{"fle.q", 0, INSN_CLASS_Q, "d,S,T", MATCH_FLE_Q, MASK_FLE_Q, match_opcode, 0 },
{"fgt.q", 0, INSN_CLASS_Q, "d,T,S", MATCH_FLT_Q, MASK_FLT_Q, match_opcode, 0 },
{"fge.q", 0, INSN_CLASS_Q, "d,T,S", MATCH_FLE_Q, MASK_FLE_Q, match_opcode, 0 },
{"fmv.x.q", 64, INSN_CLASS_Q, "d,S", MATCH_FMV_X_Q, MASK_FMV_X_Q, match_opcode, 0 },
{"fmv.q.x", 64, INSN_CLASS_Q, "D,s", MATCH_FMV_Q_X, MASK_FMV_Q_X, match_opcode, 0 },
{"fcvt.l.q", 64, INSN_CLASS_Q, "d,S", MATCH_FCVT_L_Q | MASK_RM, MASK_FCVT_L_Q | MASK_RM, match_opcode, 0 },
{"fcvt.l.q", 64, INSN_CLASS_Q, "d,S,m", MATCH_FCVT_L_Q, MASK_FCVT_L_Q, match_opcode, 0 },
{"fcvt.lu.q", 64, INSN_CLASS_Q, "d,S", MATCH_FCVT_LU_Q | MASK_RM, MASK_FCVT_LU_Q | MASK_RM, match_opcode, 0 },
{"fcvt.lu.q", 64, INSN_CLASS_Q, "d,S,m", MATCH_FCVT_LU_Q, MASK_FCVT_LU_Q, match_opcode, 0 },
{"fcvt.q.l", 64, INSN_CLASS_Q, "D,s", MATCH_FCVT_Q_L | MASK_RM, MASK_FCVT_Q_L | MASK_RM, match_opcode, 0 },
{"fcvt.q.l", 64, INSN_CLASS_Q, "D,s,m", MATCH_FCVT_Q_L, MASK_FCVT_Q_L, match_opcode, 0 },
{"fcvt.q.lu", 64, INSN_CLASS_Q, "D,s", MATCH_FCVT_Q_LU | MASK_RM, MASK_FCVT_Q_L | MASK_RM, match_opcode, 0 },
{"fcvt.q.lu", 64, INSN_CLASS_Q, "D,s,m", MATCH_FCVT_Q_LU, MASK_FCVT_Q_LU, match_opcode, 0 },
/* Compressed instructions. */
{"c.unimp", 0, INSN_CLASS_C, "", 0, 0xffffU, match_opcode, 0 },
{"c.ebreak", 0, INSN_CLASS_C, "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, 0 },
{"c.jr", 0, INSN_CLASS_C, "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, INSN_BRANCH },
{"c.jalr", 0, INSN_CLASS_C, "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, INSN_JSR },
{"c.j", 0, INSN_CLASS_C, "Ca", MATCH_C_J, MASK_C_J, match_opcode, INSN_BRANCH },
{"c.jal", 32, INSN_CLASS_C, "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, INSN_JSR },
{"c.beqz", 0, INSN_CLASS_C, "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_CONDBRANCH },
{"c.bnez", 0, INSN_CLASS_C, "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, INSN_CONDBRANCH },
{"c.lwsp", 0, INSN_CLASS_C, "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, 0 },
{"c.lw", 0, INSN_CLASS_C, "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.swsp", 0, INSN_CLASS_C, "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.sw", 0, INSN_CLASS_C, "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.nop", 0, INSN_CLASS_C, "", MATCH_C_ADDI, 0xffff, match_opcode, INSN_ALIAS },
{"c.nop", 0, INSN_CLASS_C, "Cj", MATCH_C_ADDI, MASK_C_ADDI | MASK_RD, match_opcode, INSN_ALIAS },
{"c.mv", 0, INSN_CLASS_C, "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add_with_hint, 0 },
{"c.lui", 0, INSN_CLASS_C, "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui_with_hint, 0 },
{"c.li", 0, INSN_CLASS_C, "d,Co", MATCH_C_LI, MASK_C_LI, match_opcode, 0 },
{"c.addi4spn", 0, INSN_CLASS_C, "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_c_addi4spn, 0 },
{"c.addi16sp", 0, INSN_CLASS_C, "Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_c_addi16sp, 0 },
{"c.addi", 0, INSN_CLASS_C, "d,Co", MATCH_C_ADDI, MASK_C_ADDI, match_opcode, 0 },
{"c.add", 0, INSN_CLASS_C, "d,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add_with_hint, 0 },
{"c.sub", 0, INSN_CLASS_C, "Cs,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, 0 },
{"c.and", 0, INSN_CLASS_C, "Cs,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, 0 },
{"c.or", 0, INSN_CLASS_C, "Cs,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, 0 },
{"c.xor", 0, INSN_CLASS_C, "Cs,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, 0 },
{"c.slli", 0, INSN_CLASS_C, "d,C>", MATCH_C_SLLI, MASK_C_SLLI, match_c_slli, 0 },
{"c.srli", 0, INSN_CLASS_C, "Cs,C>", MATCH_C_SRLI, MASK_C_SRLI, match_c_slli, 0 },
{"c.srai", 0, INSN_CLASS_C, "Cs,C>", MATCH_C_SRAI, MASK_C_SRAI, match_c_slli, 0 },
{"c.slli64", 0, INSN_CLASS_C, "d", MATCH_C_SLLI64, MASK_C_SLLI64, match_c_slli64, 0 },
{"c.srli64", 0, INSN_CLASS_C, "Cs", MATCH_C_SRLI64, MASK_C_SRLI64, match_c_slli64, 0 },
{"c.srai64", 0, INSN_CLASS_C, "Cs", MATCH_C_SRAI64, MASK_C_SRAI64, match_c_slli64, 0 },
{"c.andi", 0, INSN_CLASS_C, "Cs,Co", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, 0 },
{"c.addiw", 64, INSN_CLASS_C, "d,Co", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, 0 },
{"c.addw", 64, INSN_CLASS_C, "Cs,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, 0 },
{"c.subw", 64, INSN_CLASS_C, "Cs,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, 0 },
{"c.ldsp", 64, INSN_CLASS_C, "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, INSN_DREF|INSN_8_BYTE },
{"c.ld", 64, INSN_CLASS_C, "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.sdsp", 64, INSN_CLASS_C, "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.sd", 64, INSN_CLASS_C, "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.fldsp", 0, INSN_CLASS_D_AND_C, "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.fld", 0, INSN_CLASS_D_AND_C, "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.fsdsp", 0, INSN_CLASS_D_AND_C, "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.fsd", 0, INSN_CLASS_D_AND_C, "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, INSN_DREF|INSN_8_BYTE },
{"c.flwsp", 32, INSN_CLASS_F_AND_C, "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.flw", 32, INSN_CLASS_F_AND_C, "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.fswsp", 32, INSN_CLASS_F_AND_C, "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, INSN_DREF|INSN_4_BYTE },
{"c.fsw", 32, INSN_CLASS_F_AND_C, "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, INSN_DREF|INSN_4_BYTE },
/* Supervisor instructions */
{"csrr", 0, INSN_CLASS_I, "d,E", MATCH_CSRRS, MASK_CSRRS | MASK_RS1, match_opcode, INSN_ALIAS },
{"csrwi", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrsi", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrci", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrw", 0, INSN_CLASS_I, "E,s", MATCH_CSRRW, MASK_CSRRW | MASK_RD, match_opcode, INSN_ALIAS },
{"csrw", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrs", 0, INSN_CLASS_I, "E,s", MATCH_CSRRS, MASK_CSRRS | MASK_RD, match_opcode, INSN_ALIAS },
{"csrs", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrc", 0, INSN_CLASS_I, "E,s", MATCH_CSRRC, MASK_CSRRC | MASK_RD, match_opcode, INSN_ALIAS },
{"csrc", 0, INSN_CLASS_I, "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, INSN_ALIAS },
{"csrrwi", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, 0 },
{"csrrsi", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, 0 },
{"csrrci", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, 0 },
{"csrrw", 0, INSN_CLASS_I, "d,E,s", MATCH_CSRRW, MASK_CSRRW, match_opcode, 0 },
{"csrrw", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, INSN_ALIAS },
{"csrrs", 0, INSN_CLASS_I, "d,E,s", MATCH_CSRRS, MASK_CSRRS, match_opcode, 0 },
{"csrrs", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, INSN_ALIAS },
{"csrrc", 0, INSN_CLASS_I, "d,E,s", MATCH_CSRRC, MASK_CSRRC, match_opcode, 0 },
{"csrrc", 0, INSN_CLASS_I, "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, INSN_ALIAS },
{"uret", 0, INSN_CLASS_I, "", MATCH_URET, MASK_URET, match_opcode, 0 },
{"sret", 0, INSN_CLASS_I, "", MATCH_SRET, MASK_SRET, match_opcode, 0 },
{"hret", 0, INSN_CLASS_I, "", MATCH_HRET, MASK_HRET, match_opcode, 0 },
{"mret", 0, INSN_CLASS_I, "", MATCH_MRET, MASK_MRET, match_opcode, 0 },
{"dret", 0, INSN_CLASS_I, "", MATCH_DRET, MASK_DRET, match_opcode, 0 },
{"sfence.vm", 0, INSN_CLASS_I, "", MATCH_SFENCE_VM, MASK_SFENCE_VM | MASK_RS1, match_opcode, 0 },
{"sfence.vm", 0, INSN_CLASS_I, "s", MATCH_SFENCE_VM, MASK_SFENCE_VM, match_opcode, 0 },
{"sfence.vma", 0, INSN_CLASS_I, "", MATCH_SFENCE_VMA, MASK_SFENCE_VMA | MASK_RS1 | MASK_RS2, match_opcode, INSN_ALIAS },
{"sfence.vma", 0, INSN_CLASS_I, "s", MATCH_SFENCE_VMA, MASK_SFENCE_VMA | MASK_RS2, match_opcode, INSN_ALIAS },
{"sfence.vma", 0, INSN_CLASS_I, "s,t", MATCH_SFENCE_VMA, MASK_SFENCE_VMA, match_opcode, 0 },
{"wfi", 0, INSN_CLASS_I, "", MATCH_WFI, MASK_WFI, match_opcode, 0 },
/* Terminate the list. */
{0, 0, INSN_CLASS_NONE, 0, 0, 0, 0, 0}
};
/* Instruction format for .insn directive. */
const struct riscv_opcode riscv_insn_types[] =
{
/* name, xlen, isa, operands, match, mask, match_func, pinfo. */
{"r", 0, INSN_CLASS_I, "O4,F3,F7,d,s,t", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,D,s,t", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,d,S,t", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,D,S,t", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,d,s,T", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,D,s,T", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,d,S,T", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F7,D,S,T", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_I, "O4,F3,F2,d,s,t,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,s,t,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,S,t,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,S,t,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,s,T,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,s,T,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,S,T,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,S,T,r", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,s,t,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,s,t,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,S,t,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,S,t,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,s,T,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,s,T,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,d,S,T,R", 0, 0, match_opcode, 0 },
{"r", 0, INSN_CLASS_F, "O4,F3,F2,D,S,T,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_I, "O4,F3,F2,d,s,t,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,s,t,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,S,t,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,S,t,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,s,T,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,s,T,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,S,T,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,S,T,r", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,s,t,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,s,t,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,S,t,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,S,t,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,s,T,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,s,T,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,d,S,T,R", 0, 0, match_opcode, 0 },
{"r4", 0, INSN_CLASS_F, "O4,F3,F2,D,S,T,R", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_I, "O4,F3,d,s,j", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_F, "O4,F3,D,s,j", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_F, "O4,F3,d,S,j", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_F, "O4,F3,D,S,j", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_I, "O4,F3,d,o(s)", 0, 0, match_opcode, 0 },
{"i", 0, INSN_CLASS_F, "O4,F3,D,o(s)", 0, 0, match_opcode, 0 },
{"s", 0, INSN_CLASS_I, "O4,F3,t,q(s)", 0, 0, match_opcode, 0 },
{"s", 0, INSN_CLASS_F, "O4,F3,T,q(s)", 0, 0, match_opcode, 0 },
{"sb", 0, INSN_CLASS_I, "O4,F3,s,t,p", 0, 0, match_opcode, 0 },
{"sb", 0, INSN_CLASS_F, "O4,F3,S,t,p", 0, 0, match_opcode, 0 },
{"sb", 0, INSN_CLASS_F, "O4,F3,s,T,p", 0, 0, match_opcode, 0 },
{"sb", 0, INSN_CLASS_F, "O4,F3,S,T,p", 0, 0, match_opcode, 0 },
{"b", 0, INSN_CLASS_I, "O4,F3,s,t,p", 0, 0, match_opcode, 0 },
{"b", 0, INSN_CLASS_F, "O4,F3,S,t,p", 0, 0, match_opcode, 0 },
{"b", 0, INSN_CLASS_F, "O4,F3,s,T,p", 0, 0, match_opcode, 0 },
{"b", 0, INSN_CLASS_F, "O4,F3,S,T,p", 0, 0, match_opcode, 0 },
{"u", 0, INSN_CLASS_I, "O4,d,u", 0, 0, match_opcode, 0 },
{"u", 0, INSN_CLASS_F, "O4,D,u", 0, 0, match_opcode, 0 },
{"uj", 0, INSN_CLASS_I, "O4,d,a", 0, 0, match_opcode, 0 },
{"uj", 0, INSN_CLASS_F, "O4,D,a", 0, 0, match_opcode, 0 },
{"j", 0, INSN_CLASS_I, "O4,d,a", 0, 0, match_opcode, 0 },
{"j", 0, INSN_CLASS_F, "O4,D,a", 0, 0, match_opcode, 0 },
{"cr", 0, INSN_CLASS_C, "O2,CF4,d,CV", 0, 0, match_opcode, 0 },
{"cr", 0, INSN_CLASS_F_AND_C, "O2,CF4,D,CV", 0, 0, match_opcode, 0 },
{"cr", 0, INSN_CLASS_F_AND_C, "O2,CF4,d,CT", 0, 0, match_opcode, 0 },
{"cr", 0, INSN_CLASS_F_AND_C, "O2,CF4,D,CT", 0, 0, match_opcode, 0 },
{"ci", 0, INSN_CLASS_C, "O2,CF3,d,Co", 0, 0, match_opcode, 0 },
{"ci", 0, INSN_CLASS_F_AND_C, "O2,CF3,D,Co", 0, 0, match_opcode, 0 },
{"ciw", 0, INSN_CLASS_C, "O2,CF3,Ct,C8", 0, 0, match_opcode, 0 },
{"ciw", 0, INSN_CLASS_F_AND_C, "O2,CF3,CD,C8", 0, 0, match_opcode, 0 },
{"ca", 0, INSN_CLASS_C, "O2,CF6,CF2,Cs,Ct", 0, 0, match_opcode, 0 },
{"ca", 0, INSN_CLASS_F_AND_C, "O2,CF6,CF2,CS,Ct", 0, 0, match_opcode, 0 },
{"ca", 0, INSN_CLASS_F_AND_C, "O2,CF6,CF2,Cs,CD", 0, 0, match_opcode, 0 },
{"ca", 0, INSN_CLASS_F_AND_C, "O2,CF6,CF2,CS,CD", 0, 0, match_opcode, 0 },
{"cb", 0, INSN_CLASS_C, "O2,CF3,Cs,Cp", 0, 0, match_opcode, 0 },
{"cb", 0, INSN_CLASS_F_AND_C, "O2,CF3,CS,Cp", 0, 0, match_opcode, 0 },
{"cj", 0, INSN_CLASS_C, "O2,CF3,Ca", 0, 0, match_opcode, 0 },
/* Terminate the list. */
{0, 0, INSN_CLASS_NONE, 0, 0, 0, 0, 0}
};
/* All standard extensions defined in all supported ISA spec. */
const struct riscv_ext_version riscv_ext_version_table[] =
{
/* name, ISA spec, major version, minor_version. */
{"e", ISA_SPEC_CLASS_20191213, 1, 9},
{"e", ISA_SPEC_CLASS_20190608, 1, 9},
{"e", ISA_SPEC_CLASS_2P2, 1, 9},
{"i", ISA_SPEC_CLASS_20191213, 2, 1},
{"i", ISA_SPEC_CLASS_20190608, 2, 1},
{"i", ISA_SPEC_CLASS_2P2, 2, 0},
{"m", ISA_SPEC_CLASS_20191213, 2, 0},
{"m", ISA_SPEC_CLASS_20190608, 2, 0},
{"m", ISA_SPEC_CLASS_2P2, 2, 0},
{"a", ISA_SPEC_CLASS_20191213, 2, 1},
{"a", ISA_SPEC_CLASS_20190608, 2, 0},
{"a", ISA_SPEC_CLASS_2P2, 2, 0},
{"f", ISA_SPEC_CLASS_20191213, 2, 2},
{"f", ISA_SPEC_CLASS_20190608, 2, 2},
{"f", ISA_SPEC_CLASS_2P2, 2, 0},
{"d", ISA_SPEC_CLASS_20191213, 2, 2},
{"d", ISA_SPEC_CLASS_20190608, 2, 2},
{"d", ISA_SPEC_CLASS_2P2, 2, 0},
{"q", ISA_SPEC_CLASS_20191213, 2, 2},
{"q", ISA_SPEC_CLASS_20190608, 2, 2},
{"q", ISA_SPEC_CLASS_2P2, 2, 0},
{"c", ISA_SPEC_CLASS_20191213, 2, 0},
{"c", ISA_SPEC_CLASS_20190608, 2, 0},
{"c", ISA_SPEC_CLASS_2P2, 2, 0},
{"p", ISA_SPEC_CLASS_20191213, 0, 2},
{"p", ISA_SPEC_CLASS_20190608, 0, 2},
{"p", ISA_SPEC_CLASS_2P2, 0, 1},
{"v", ISA_SPEC_CLASS_20191213, 0, 7},
{"v", ISA_SPEC_CLASS_20190608, 0, 7},
{"v", ISA_SPEC_CLASS_2P2, 0, 7},
{"n", ISA_SPEC_CLASS_20190608, 1, 1},
{"n", ISA_SPEC_CLASS_2P2, 1, 1},
{"zicsr", ISA_SPEC_CLASS_20191213, 2, 0},
{"zicsr", ISA_SPEC_CLASS_20190608, 2, 0},
/* Terminate the list. */
{NULL, 0, 0, 0}
};
struct isa_spec_t
{
const char *name;
enum riscv_isa_spec_class class;
};
/* List for all supported ISA spec versions. */
static const struct isa_spec_t isa_specs[] =
{
{"2.2", ISA_SPEC_CLASS_2P2},
{"20190608", ISA_SPEC_CLASS_20190608},
{"20191213", ISA_SPEC_CLASS_20191213},
/* Terminate the list. */
{NULL, 0}
};
/* Get the corresponding ISA spec class by giving a ISA spec string. */
int
riscv_get_isa_spec_class (const char *s,
enum riscv_isa_spec_class *class)
{
const struct isa_spec_t *version;
if (s == NULL)
return 0;
for (version = &isa_specs[0]; version->name != NULL; ++version)
if (strcmp (version->name, s) == 0)
{
*class = version->class;
return 1;
}
/* Can not find the supported ISA spec. */
return 0;
}