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Retro68/binutils/opcodes/mips16-opc.c
Wolfgang Thaller da4dfe30c9 Update binutils to 2.25.1
2015-08-28 17:32:19 +02:00

365 lines
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/* mips16-opc.c. Mips16 opcode table.
Copyright (C) 1996-2014 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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