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Retro68/binutils/opcodes/mips16-opc.c

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/* mips16-opc.c. Mips16 opcode table.
Copyright 1996, 1997, 1998, 2000, 2005, 2006, 2007, 2012
Free Software Foundation, Inc.
Contributed by Ian Lance Taylor, Cygnus Support
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 file; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include <stdio.h>
#include "opcode/mips.h"
#include "mips-formats.h"
static unsigned char reg_0_map[] = { 0 };
static unsigned char reg_29_map[] = { 29 };
static unsigned char reg_31_map[] = { 31 };
static unsigned char reg_m16_map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
static unsigned char reg32r_map[] = {
0, 8, 16, 24,
1, 9, 17, 25,
2, 10, 18, 26,
3, 11, 19, 27,
4, 12, 20, 28,
5, 13, 21, 29,
6, 14, 22, 30,
7, 15, 23, 31
};
/* Return the meaning of operand character TYPE, or null if it isn't
recognized. If the operand is affected by the EXTEND instruction,
EXTENDED_P selects between the extended and unextended forms.
The extended forms all have an lsb of 0. */
const struct mips_operand *
decode_mips16_operand (char type, bfd_boolean extended_p)
{
switch (type)
{
case '0': MAPPED_REG (0, 0, GP, reg_0_map);
case 'L': SPECIAL (6, 5, ENTRY_EXIT_LIST);
case 'M': SPECIAL (7, 0, SAVE_RESTORE_LIST);
case 'P': SPECIAL (0, 0, PC);
case 'R': MAPPED_REG (0, 0, GP, reg_31_map);
case 'S': MAPPED_REG (0, 0, GP, reg_29_map);
case 'X': REG (5, 0, GP);
case 'Y': MAPPED_REG (5, 3, GP, reg32r_map);
case 'Z': MAPPED_REG (3, 0, GP, reg_m16_map);
case 'a': JUMP (26, 0, 2);
case 'e': UINT (11, 0);
case 'i': JALX (26, 0, 2);
case 'l': SPECIAL (6, 5, ENTRY_EXIT_LIST);
case 'm': SPECIAL (7, 0, SAVE_RESTORE_LIST);
case 'v': OPTIONAL_MAPPED_REG (3, 8, GP, reg_m16_map);
case 'w': OPTIONAL_MAPPED_REG (3, 5, GP, reg_m16_map);
case 'x': MAPPED_REG (3, 8, GP, reg_m16_map);
case 'y': MAPPED_REG (3, 5, GP, reg_m16_map);
case 'z': MAPPED_REG (3, 2, GP, reg_m16_map);
}
if (extended_p)
switch (type)
{
case '<': UINT (5, 0);
case '>': UINT (5, 0);
case '[': UINT (6, 0);
case ']': UINT (6, 0);
case '4': SINT (15, 0);
case '5': SINT (16, 0);
case '6': SINT (16, 0);
case '8': SINT (16, 0);
case 'A': PCREL (16, 0, TRUE, 0, 2, FALSE, FALSE);
case 'B': PCREL (16, 0, TRUE, 0, 3, FALSE, FALSE);
case 'C': SINT (16, 0);
case 'D': SINT (16, 0);
case 'E': PCREL (16, 0, TRUE, 0, 2, FALSE, FALSE);
case 'H': SINT (16, 0);
case 'K': SINT (16, 0);
case 'U': UINT (16, 0);
case 'V': SINT (16, 0);
case 'W': SINT (16, 0);
case 'j': SINT (16, 0);
case 'k': SINT (16, 0);
case 'p': BRANCH (16, 0, 1);
case 'q': BRANCH (16, 0, 1);
}
else
switch (type)
{
case '<': INT_ADJ (3, 2, 8, 0, FALSE);
case '>': INT_ADJ (3, 8, 8, 0, FALSE);
case '[': INT_ADJ (3, 2, 8, 0, FALSE);
case ']': INT_ADJ (3, 8, 8, 0, FALSE);
case '4': SINT (4, 0);
case '5': UINT (5, 0);
case '6': UINT (6, 5);
case '8': UINT (8, 0);
case 'A': PCREL (8, 0, FALSE, 2, 2, FALSE, FALSE);
case 'B': PCREL (5, 0, FALSE, 3, 3, FALSE, FALSE);
case 'C': INT_ADJ (8, 0, 255, 3, FALSE); /* (0 .. 255) << 3 */
case 'D': INT_ADJ (5, 0, 31, 3, FALSE); /* (0 .. 31) << 3 */
case 'E': PCREL (5, 0, FALSE, 2, 2, FALSE, FALSE);
case 'H': INT_ADJ (5, 0, 31, 1, FALSE); /* (0 .. 31) << 1 */
case 'K': INT_ADJ (8, 0, 127, 3, FALSE); /* (-128 .. 127) << 3 */
case 'U': UINT (8, 0);
case 'V': INT_ADJ (8, 0, 255, 2, FALSE); /* (0 .. 255) << 2 */
case 'W': INT_ADJ (5, 0, 31, 2, FALSE); /* (0 .. 31) << 2 */
case 'j': SINT (5, 0);
case 'k': SINT (8, 0);
case 'p': BRANCH (8, 0, 1);
case 'q': BRANCH (11, 0, 1);
}
return 0;
}
/* This is the opcodes table for the mips16 processor. The format of
this table is intentionally identical to the one in mips-opc.c.
However, the special letters that appear in the argument string are
different, and the table uses some different flags. */
/* Use some short hand macros to keep down the length of the lines in
the opcodes table. */
#define UBD INSN_UNCOND_BRANCH_DELAY
#define WR_1 INSN_WRITE_1
#define WR_2 INSN_WRITE_2
#define RD_1 INSN_READ_1
#define RD_2 INSN_READ_2
#define RD_3 INSN_READ_3
#define RD_4 INSN_READ_4
#define MOD_1 (WR_1|RD_1)
#define MOD_2 (WR_2|RD_2)
#define RD_T INSN_READ_GPR_24
#define WR_T INSN_WRITE_GPR_24
#define WR_31 INSN_WRITE_GPR_31
#define WR_HI INSN_WRITE_HI
#define WR_LO INSN_WRITE_LO
#define RD_HI INSN_READ_HI
#define RD_LO INSN_READ_LO
#define NODS INSN_NO_DELAY_SLOT
#define TRAP INSN_NO_DELAY_SLOT
#define RD_16 INSN2_READ_GPR_16
#define RD_SP INSN2_READ_SP
#define WR_SP INSN2_WRITE_SP
#define MOD_SP (RD_SP|WR_SP)
#define RD_31 INSN2_READ_GPR_31
#define RD_PC INSN2_READ_PC
#define UBR INSN2_UNCOND_BRANCH
#define CBR INSN2_COND_BRANCH
#define I1 INSN_ISA1
#define I3 INSN_ISA3
#define I32 INSN_ISA32
#define I64 INSN_ISA64
#define T3 INSN_3900
const struct mips_opcode mips16_opcodes[] =
{
/* name, args, match, mask, pinfo, pinfo2, membership */
{"nop", "", 0x6500, 0xffff, 0, RD_16, I1, 0, 0 }, /* move $0,$Z */
{"la", "x,A", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0, I1, 0, 0 },
{"addiu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
{"addiu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
{"addiu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addiu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addiu", "x,P,V", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"addiu", "x,S,V", 0x0000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
{"addu", "z,v,y", 0xe001, 0xf803, WR_1|RD_2|RD_3, 0, I1, 0, 0 },
{"addu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
{"addu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
{"addu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addu", "x,P,V", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"addu", "x,S,V", 0x0000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
{"and", "x,y", 0xe80c, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"b", "q", 0x1000, 0xf800, 0, UBR, I1, 0, 0 },
{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0, I1, 0, 0 },
{"beq", "x,I,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, I1, 0, 0 },
{"beqz", "x,p", 0x2000, 0xf800, RD_1, CBR, I1, 0, 0 },
{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0, I1, 0, 0 },
{"bge", "x,I,p", 0, (int) M_BGE_I, INSN_MACRO, 0, I1, 0, 0 },
{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0, I1, 0, 0 },
{"bgeu", "x,I,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, I1, 0, 0 },
{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0, I1, 0, 0 },
{"bgt", "x,I,p", 0, (int) M_BGT_I, INSN_MACRO, 0, I1, 0, 0 },
{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0, I1, 0, 0 },
{"bgtu", "x,I,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, I1, 0, 0 },
{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0, I1, 0, 0 },
{"ble", "x,I,p", 0, (int) M_BLE_I, INSN_MACRO, 0, I1, 0, 0 },
{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0, I1, 0, 0 },
{"bleu", "x,I,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, I1, 0, 0 },
{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0, I1, 0, 0 },
{"blt", "x,I,p", 0, (int) M_BLT_I, INSN_MACRO, 0, I1, 0, 0 },
{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0, I1, 0, 0 },
{"bltu", "x,I,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, I1, 0, 0 },
{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0, I1, 0, 0 },
{"bne", "x,I,p", 0, (int) M_BNE_I, INSN_MACRO, 0, I1, 0, 0 },
{"bnez", "x,p", 0x2800, 0xf800, RD_1, CBR, I1, 0, 0 },
{"break", "6", 0xe805, 0xf81f, TRAP, 0, I1, 0, 0 },
{"bteqz", "p", 0x6000, 0xff00, RD_T, CBR, I1, 0, 0 },
{"btnez", "p", 0x6100, 0xff00, RD_T, CBR, I1, 0, 0 },
{"cmpi", "x,U", 0x7000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"cmp", "x,y", 0xe80a, 0xf81f, RD_1|RD_2|WR_T, 0, I1, 0, 0 },
{"cmp", "x,U", 0x7000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"dla", "y,E", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"daddiu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
{"daddiu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
{"daddiu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddiu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"daddiu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
{"daddu", "z,v,y", 0xe000, 0xf803, WR_1|RD_2|RD_3, 0, I3, 0, 0 },
{"daddu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
{"daddu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
{"daddu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"daddu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0, I1, 0, 0 },
{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0, I1, 0, 0 },
{"div", "0,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0, I1, 0, 0 },
{"divu", "0,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0, I1, 0, 0 },
{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, 0, I3, 0, 0 },
{"dmult", "x,y", 0xe81c, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I3, 0, 0 },
{"dmultu", "x,y", 0xe81d, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I3, 0, 0 },
{"drem", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0, I1, 0, 0 },
{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I3, 0, 0 },
{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0, I1, 0, 0 },
{"dsllv", "y,x", 0xe814, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsll", "x,w,[", 0x3001, 0xf803, WR_1|RD_2, 0, I3, 0, 0 },
{"dsll", "y,x", 0xe814, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsrav", "y,x", 0xe817, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsra", "y,]", 0xe813, 0xf81f, MOD_1, 0, I3, 0, 0 },
{"dsra", "y,x", 0xe817, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsrlv", "y,x", 0xe816, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsrl", "y,]", 0xe808, 0xf81f, MOD_1, 0, I3, 0, 0 },
{"dsrl", "y,x", 0xe816, 0xf81f, MOD_1|RD_2, 0, I3, 0, 0 },
{"dsubu", "z,v,y", 0xe002, 0xf803, WR_1|RD_2|RD_3, 0, I3, 0, 0 },
{"dsubu", "y,x,I", 0, (int) M_DSUBU_I, INSN_MACRO, 0, I1, 0, 0 },
{"dsubu", "y,I", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, I1, 0, 0 },
{"exit", "L", 0xed09, 0xff1f, TRAP, 0, I1, 0, 0 },
{"exit", "L", 0xee09, 0xff1f, TRAP, 0, I1, 0, 0 },
{"exit", "", 0xef09, 0xffff, TRAP, 0, I1, 0, 0 },
{"exit", "L", 0xef09, 0xff1f, TRAP, 0, I1, 0, 0 },
{"entry", "", 0xe809, 0xffff, TRAP, 0, I1, 0, 0 },
{"entry", "l", 0xe809, 0xf81f, TRAP, 0, I1, 0, 0 },
{"extend", "e", 0xf000, 0xf800, 0, 0, I1, 0, 0 },
{"jalr", "x", 0xe840, 0xf8ff, RD_1|WR_31|UBD, 0, I1, 0, 0 },
{"jalr", "R,x", 0xe840, 0xf8ff, RD_2|WR_31|UBD, 0, I1, 0, 0 },
{"jal", "x", 0xe840, 0xf8ff, RD_1|WR_31|UBD, 0, I1, 0, 0 },
{"jal", "R,x", 0xe840, 0xf8ff, RD_2|WR_31|UBD, 0, I1, 0, 0 },
{"jal", "a", 0x1800, 0xfc00, WR_31|UBD, 0, I1, 0, 0 },
{"jalx", "i", 0x1c00, 0xfc00, WR_31|UBD, 0, I1, 0, 0 },
{"jr", "x", 0xe800, 0xf8ff, RD_1|UBD, 0, I1, 0, 0 },
{"jr", "R", 0xe820, 0xffff, UBD, RD_31, I1, 0, 0 },
{"j", "x", 0xe800, 0xf8ff, RD_1|UBD, 0, I1, 0, 0 },
{"j", "R", 0xe820, 0xffff, UBD, RD_31, I1, 0, 0 },
/* MIPS16e compact branches. We keep them near the ordinary branches
so that we easily find them when converting a normal branch to a
compact one. */
{"jalrc", "x", 0xe8c0, 0xf8ff, RD_1|WR_31|NODS, UBR, I32, 0, 0 },
{"jalrc", "R,x", 0xe8c0, 0xf8ff, RD_2|WR_31|NODS, UBR, I32, 0, 0 },
{"jrc", "x", 0xe880, 0xf8ff, RD_1|NODS, UBR, I32, 0, 0 },
{"jrc", "R", 0xe8a0, 0xffff, NODS, RD_31|UBR, I32, 0, 0 },
{"lb", "y,5(x)", 0x8000, 0xf800, WR_1|RD_3, 0, I1, 0, 0 },
{"lbu", "y,5(x)", 0xa000, 0xf800, WR_1|RD_3, 0, I1, 0, 0 },
{"ld", "y,D(x)", 0x3800, 0xf800, WR_1|RD_3, 0, I3, 0, 0 },
{"ld", "y,B", 0xfc00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"ld", "y,D(P)", 0xfc00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"ld", "y,D(S)", 0xf800, 0xff00, WR_1, RD_SP, I3, 0, 0 },
{"lh", "y,H(x)", 0x8800, 0xf800, WR_1|RD_3, 0, I1, 0, 0 },
{"lhu", "y,H(x)", 0xa800, 0xf800, WR_1|RD_3, 0, I1, 0, 0 },
{"li", "x,U", 0x6800, 0xf800, WR_1, 0, I1, 0, 0 },
{"lw", "y,W(x)", 0x9800, 0xf800, WR_1|RD_3, 0, I1, 0, 0 },
{"lw", "x,A", 0xb000, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"lw", "x,V(P)", 0xb000, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"lw", "x,V(S)", 0x9000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
{"lwu", "y,W(x)", 0xb800, 0xf800, WR_1|RD_3, 0, I3, 0, 0 },
{"mfhi", "x", 0xe810, 0xf8ff, WR_1|RD_HI, 0, I1, 0, 0 },
{"mflo", "x", 0xe812, 0xf8ff, WR_1|RD_LO, 0, I1, 0, 0 },
{"move", "y,X", 0x6700, 0xff00, WR_1|RD_2, 0, I1, 0, 0 },
{"move", "Y,Z", 0x6500, 0xff00, WR_1|RD_2, 0, I1, 0, 0 },
{"mul", "z,v,y", 0, (int) M_MUL, INSN_MACRO, 0, I1, 0, 0 },
{"mult", "x,y", 0xe818, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I1, 0, 0 },
{"multu", "x,y", 0xe819, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, 0, I1, 0, 0 },
{"neg", "x,w", 0xe80b, 0xf81f, WR_1|RD_2, 0, I1, 0, 0 },
{"not", "x,w", 0xe80f, 0xf81f, WR_1|RD_2, 0, I1, 0, 0 },
{"or", "x,y", 0xe80d, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"rem", "0,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
{"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0, I1, 0, 0 },
{"remu", "0,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, 0, I1, 0, 0 },
{"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0, I1, 0, 0 },
{"sb", "y,5(x)", 0xc000, 0xf800, RD_1|RD_3, 0, I1, 0, 0 },
{"sd", "y,D(x)", 0x7800, 0xf800, RD_1|RD_3, 0, I3, 0, 0 },
{"sd", "y,D(S)", 0xf900, 0xff00, RD_1, RD_PC, I3, 0, 0 },
{"sd", "R,C(S)", 0xfa00, 0xff00, 0, RD_31|RD_PC, I1, 0, 0 },
{"sh", "y,H(x)", 0xc800, 0xf800, RD_1|RD_3, 0, I1, 0, 0 },
{"sllv", "y,x", 0xe804, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"sll", "x,w,<", 0x3000, 0xf803, WR_1|RD_2, 0, I1, 0, 0 },
{"sll", "y,x", 0xe804, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"slti", "x,8", 0x5000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"slt", "x,y", 0xe802, 0xf81f, RD_1|RD_2|WR_T, 0, I1, 0, 0 },
{"slt", "x,8", 0x5000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"sltiu", "x,8", 0x5800, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"sltu", "x,y", 0xe803, 0xf81f, RD_1|RD_2|WR_T, 0, I1, 0, 0 },
{"sltu", "x,8", 0x5800, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"srav", "y,x", 0xe807, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"sra", "x,w,<", 0x3003, 0xf803, WR_1|RD_2, 0, I1, 0, 0 },
{"sra", "y,x", 0xe807, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"srlv", "y,x", 0xe806, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"srl", "x,w,<", 0x3002, 0xf803, WR_1|RD_2, 0, I1, 0, 0 },
{"srl", "y,x", 0xe806, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
{"subu", "z,v,y", 0xe003, 0xf803, WR_1|RD_2|RD_3, 0, I1, 0, 0 },
{"subu", "y,x,I", 0, (int) M_SUBU_I, INSN_MACRO, 0, I1, 0, 0 },
{"subu", "x,I", 0, (int) M_SUBU_I_2, INSN_MACRO, 0, I1, 0, 0 },
{"sw", "y,W(x)", 0xd800, 0xf800, RD_1|RD_3, 0, I1, 0, 0 },
{"sw", "x,V(S)", 0xd000, 0xf800, RD_1, RD_SP, I1, 0, 0 },
{"sw", "R,V(S)", 0x6200, 0xff00, 0, RD_31|RD_SP, I1, 0, 0 },
{"xor", "x,y", 0xe80e, 0xf81f, MOD_1|RD_2, 0, I1, 0, 0 },
/* MIPS16e additions */
{"restore", "M", 0x6400, 0xff80, WR_31|NODS, MOD_SP, I32, 0, 0 },
{"save", "m", 0x6480, 0xff80, NODS, RD_31|MOD_SP, I32, 0, 0 },
{"sdbbp", "6", 0xe801, 0xf81f, TRAP, 0, I32, 0, 0 },
{"seb", "x", 0xe891, 0xf8ff, MOD_1, 0, I32, 0, 0 },
{"seh", "x", 0xe8b1, 0xf8ff, MOD_1, 0, I32, 0, 0 },
{"sew", "x", 0xe8d1, 0xf8ff, MOD_1, 0, I64, 0, 0 },
{"zeb", "x", 0xe811, 0xf8ff, MOD_1, 0, I32, 0, 0 },
{"zeh", "x", 0xe831, 0xf8ff, MOD_1, 0, I32, 0, 0 },
{"zew", "x", 0xe851, 0xf8ff, MOD_1, 0, I64, 0, 0 },
};
const int bfd_mips16_num_opcodes =
((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
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