darling-gdb/opcodes/nios2-opc.c
Sandra Loosemore 96ba42336f Refactoring/cleanup of nios2 opcodes and assembler code.
2014-10-23  Sandra Loosemore  <sandra@codesourcery.com>

	include/opcode/
	* nios2.h (enum iw_format_type): New.
	(struct nios2_opcode): Update comments.  Add size and format fields.
	(NIOS2_INSN_OPTARG): New.
	(REG_NORMAL, REG_CONTROL, REG_COPROCESSOR): New.
	(struct nios2_reg): Add regtype field.
	(GET_INSN_FIELD, SET_INSN_FIELD): Delete.
	(IW_A_LSB, IW_A_MSB, IW_A_SZ, IW_A_MASK): Delete.
	(IW_B_LSB, IW_B_MSB, IW_B_SZ, IW_B_MASK): Delete.
	(IW_C_LSB, IW_C_MSB, IW_C_SZ, IW_C_MASK): Delete.
	(IW_IMM16_LSB, IW_IMM16_MSB, IW_IMM16_SZ, IW_IMM16_MASK): Delete.
	(IW_IMM26_LSB, IW_IMM26_MSB, IW_IMM26_SZ, IW_IMM26_MASK): Delete.
	(IW_OP_LSB, IW_OP_MSB, IW_OP_SZ, IW_OP_MASK): Delete.
	(IW_OPX_LSB, IW_OPX_MSB, IW_OPX_SZ, IW_OPX_MASK): Delete.
	(IW_SHIFT_IMM5_LSB, IW_SHIFT_IMM5_MSB): Delete.
	(IW_SHIFT_IMM5_SZ, IW_SHIFT_IMM5_MASK): Delete.
	(IW_CONTROL_REGNUM_LSB, IW_CONTROL_REGNUM_MSB): Delete.
	(IW_CONTROL_REGNUM_SZ, IW_CONTROL_REGNUM_MASK): Delete.
	(OP_MASK_OP, OP_SH_OP): Delete.
	(OP_MASK_IOP, OP_SH_IOP): Delete.
	(OP_MASK_IRD, OP_SH_IRD): Delete.
	(OP_MASK_IRT, OP_SH_IRT): Delete.
	(OP_MASK_IRS, OP_SH_IRS): Delete.
	(OP_MASK_ROP, OP_SH_ROP): Delete.
	(OP_MASK_RRD, OP_SH_RRD): Delete.
	(OP_MASK_RRT, OP_SH_RRT): Delete.
	(OP_MASK_RRS, OP_SH_RRS): Delete.
	(OP_MASK_JOP, OP_SH_JOP): Delete.
	(OP_MASK_IMM26, OP_SH_IMM26): Delete.
	(OP_MASK_RCTL, OP_SH_RCTL): Delete.
	(OP_MASK_IMM5, OP_SH_IMM5): Delete.
	(OP_MASK_CACHE_OPX, OP_SH_CACHE_OPX): Delete.
	(OP_MASK_CACHE_RRS, OP_SH_CACHE_RRS): Delete.
	(OP_MASK_CUSTOM_A, OP_SH_CUSTOM_A): Delete.
	(OP_MASK_CUSTOM_B, OP_SH_CUSTOM_B): Delete.
	(OP_MASK_CUSTOM_C, OP_SH_CUSTOM_C): Delete.
	(OP_MASK_CUSTOM_N, OP_SH_CUSTOM_N): Delete.
	(OP_<insn>, OPX_<insn>, OP_MATCH_<insn>, OPX_MATCH_<insn>): Delete.
	(OP_MASK_<insn>, OP_MASK): Delete.
	(GET_IW_A, GET_IW_B, GET_IW_C, GET_IW_CONTROL_REGNUM): Delete.
	(GET_IW_IMM16, GET_IW_IMM26, GET_IW_OP, GET_IW_OPX): Delete.
	Include nios2r1.h to define new instruction opcode constants
	and accessors.
	(nios2_builtin_opcodes): Rename to nios2_r1_opcodes.
	(bfd_nios2_num_builtin_opcodes): Rename to nios2_num_r1_opcodes.
	(bfd_nios2_num_opcodes): Rename to nios2_num_opcodes.
	(NUMOPCODES, NUMREGISTERS): Delete.
	* nios2r1.h: New file.

	opcodes/
	* nios2-opc.c (nios2_builtin_regs): Add regtype field initializers.
	(nios2_builtin_opcodes): Rename to nios2_r1_opcodes.  Use new
	MATCH_R1_<insn> and MASK_R1_<insn> macros in initializers.  Add
	size and format initializers.  Merge 'b' arguments into 'j'.
	(NIOS2_NUM_OPCODES): Adjust definition.
	(bfd_nios2_num_builtin_opcodes): Rename to nios2_num_r1_opcodes.
	(nios2_opcodes): Adjust.
	(bfd_nios2_num_opcodes): Rename to nios2_num_opcodes.
	* nios2-dis.c (INSNLEN): Update comment.
	(nios2_hash_init, nios2_hash): Delete.
	(OPCODE_HASH_SIZE): New.
	(nios2_r1_extract_opcode): New.
	(nios2_disassembler_state): New.
	(nios2_r1_disassembler_state): New.
	(nios2_init_opcode_hash): Add state parameter.  Adjust to use it.
	(nios2_find_opcode_hash): Use state object.
	(bad_opcode): New.
	(nios2_print_insn_arg): Add op parameter.  Use it to access
	format.  Remove 'b' case.
	(nios2_disassemble): Remove special case for nop.  Remove
	hard-coded instruction size.

	gas/
	* config/tc-nios2.c (nios2_insn_infoS): Add constant_bits field.
	(nios2_arg_infoS, nios2_arg_hash, nios2_arg_lookup): Delete.
	(nios2_control_register_arg_p): Delete.
	(nios2_coproc_reg): Delete.
	(nios2_relax_frag): Remove hard-coded instruction size.
	(md_convert_frag): Use new insn accessor macros.
	(nios2_diagnose_overflow): Remove hard-coded instruction size.
	(md_apply_fix): Likewise.
	(bad_opcode): New.
	(nios2_parse_reg): New.
	(nios2_assemble_expression): Remove prev_reloc parameter.  Adjust
	uses and callers.
	(nios2_assemble_arg_c): New.
	(nios2_assemble_arg_d): New.
	(nios2_assemble_arg_s): New.
	(nios2_assemble_arg_t): New.
	(nios2_assemble_arg_i): New.
	(nios2_assemble_arg_u): New.
	(nios2_assemble_arg_o): New.
	(nios2_assemble_arg_j): New.
	(nios2_assemble_arg_l): New.
	(nios2_assemble_arg_m): New.
	(nios2_assemble_args): New.
	(nios2_assemble_args_dst): Delete.
	(nios2_assemble_args_tsi): Delete.
	(nios2_assemble_args_tsu): Delete.
	(nios2_assemble_args_sto): Delete.
	(nios2_assemble_args_o): Delete.
	(nios2_assemble_args_is): Delete.
	(nios2_assemble_args_m): Delete.
	(nios2_assemble_args_s): Delete.
	(nios2_assemble_args_tis): Delete.
	(nios2_assemble_args_dc): Delete.
	(nios2_assemble_args_cs): Delete.
	(nios2_assemble_args_ds): Delete.
	(nios2_assemble_args_ldst): Delete.
	(nios2_assemble_args_none): Delete.
	(nios2_assemble_args_dsj): Delete.
	(nios2_assemble_args_d): Delete.
	(nios2_assemble_args_b): Delete.
	(nios2_arg_info_structs): Delete.
	(NIOS2_NUM_ARGS): Delete.
	(nios2_consume_arg): Remove insn parameter.  Use new macros.
	Don't check register arguments here.  Remove 'b' case.
	(nios2_consume_separator): Move check for missing separators to...
	(nios2_parse_args): ...here.  Remove special case for optional
	arguments.
	(output_insn): Avoid using hard-coded insn size.
	(output_ubranch): Likewise.
	(output_cbranch): Likewise.
	(output_call): Use new macros.
	(output_addi): Likewise.
	(output_ori): Likewise.
	(output_xori): Likewise.
	(output_movia): Likewise.
	(md_begin): Remove nios2_arg_info_structs initialization.
	(md_assemble): Initialize constant_bits field.  Use
	nios2_parse_args instead of looking up parse function in hash table.

	gdb/
	* nios2-tdep.c (nios2_analyze_prologue): Use new instruction field
	accessors and constants from nios2 opcodes update.
	(nios2_get_next_pc): Likewise.
2014-10-23 09:54:15 -07:00

408 lines
17 KiB
C

/* Altera Nios II opcode list.
Copyright (C) 2012-2014 Free Software Foundation, Inc.
Contributed by Nigel Gray (ngray@altera.com).
Contributed by Mentor Graphics, Inc.
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/nios2.h"
/* Register string table */
const struct nios2_reg nios2_builtin_regs[] = {
/* Standard register names. */
{"zero", 0, REG_NORMAL},
{"at", 1, REG_NORMAL}, /* assembler temporary */
{"r2", 2, REG_NORMAL},
{"r3", 3, REG_NORMAL},
{"r4", 4, REG_NORMAL},
{"r5", 5, REG_NORMAL},
{"r6", 6, REG_NORMAL},
{"r7", 7, REG_NORMAL},
{"r8", 8, REG_NORMAL},
{"r9", 9, REG_NORMAL},
{"r10", 10, REG_NORMAL},
{"r11", 11, REG_NORMAL},
{"r12", 12, REG_NORMAL},
{"r13", 13, REG_NORMAL},
{"r14", 14, REG_NORMAL},
{"r15", 15, REG_NORMAL},
{"r16", 16, REG_NORMAL},
{"r17", 17, REG_NORMAL},
{"r18", 18, REG_NORMAL},
{"r19", 19, REG_NORMAL},
{"r20", 20, REG_NORMAL},
{"r21", 21, REG_NORMAL},
{"r22", 22, REG_NORMAL},
{"r23", 23, REG_NORMAL},
{"et", 24, REG_NORMAL},
{"bt", 25, REG_NORMAL},
{"gp", 26, REG_NORMAL}, /* global pointer */
{"sp", 27, REG_NORMAL}, /* stack pointer */
{"fp", 28, REG_NORMAL}, /* frame pointer */
{"ea", 29, REG_NORMAL}, /* exception return address */
{"sstatus", 30, REG_NORMAL}, /* saved processor status */
{"ra", 31, REG_NORMAL}, /* return address */
/* Alternative names for special registers. */
{"r0", 0, REG_NORMAL},
{"r1", 1, REG_NORMAL},
{"r24", 24, REG_NORMAL},
{"r25", 25, REG_NORMAL},
{"r26", 26, REG_NORMAL},
{"r27", 27, REG_NORMAL},
{"r28", 28, REG_NORMAL},
{"r29", 29, REG_NORMAL},
{"r30", 30, REG_NORMAL},
{"ba", 30, REG_NORMAL}, /* breakpoint return address */
{"r31", 31, REG_NORMAL},
/* Control register names. */
{"status", 0, REG_CONTROL},
{"estatus", 1, REG_CONTROL},
{"bstatus", 2, REG_CONTROL},
{"ienable", 3, REG_CONTROL},
{"ipending", 4, REG_CONTROL},
{"cpuid", 5, REG_CONTROL},
{"ctl6", 6, REG_CONTROL},
{"exception", 7, REG_CONTROL},
{"pteaddr", 8, REG_CONTROL},
{"tlbacc", 9, REG_CONTROL},
{"tlbmisc", 10, REG_CONTROL},
{"eccinj", 11, REG_CONTROL},
{"badaddr", 12, REG_CONTROL},
{"config", 13, REG_CONTROL},
{"mpubase", 14, REG_CONTROL},
{"mpuacc", 15, REG_CONTROL},
{"ctl16", 16, REG_CONTROL},
{"ctl17", 17, REG_CONTROL},
{"ctl18", 18, REG_CONTROL},
{"ctl19", 19, REG_CONTROL},
{"ctl20", 20, REG_CONTROL},
{"ctl21", 21, REG_CONTROL},
{"ctl22", 22, REG_CONTROL},
{"ctl23", 23, REG_CONTROL},
{"ctl24", 24, REG_CONTROL},
{"ctl25", 25, REG_CONTROL},
{"ctl26", 26, REG_CONTROL},
{"ctl27", 27, REG_CONTROL},
{"ctl28", 28, REG_CONTROL},
{"ctl29", 29, REG_CONTROL},
{"ctl30", 30, REG_CONTROL},
{"ctl31", 31, REG_CONTROL},
/* Alternative names for special control registers. */
{"ctl0", 0, REG_CONTROL},
{"ctl1", 1, REG_CONTROL},
{"ctl2", 2, REG_CONTROL},
{"ctl3", 3, REG_CONTROL},
{"ctl4", 4, REG_CONTROL},
{"ctl5", 5, REG_CONTROL},
{"ctl7", 7, REG_CONTROL},
{"ctl8", 8, REG_CONTROL},
{"ctl9", 9, REG_CONTROL},
{"ctl10", 10, REG_CONTROL},
{"ctl11", 11, REG_CONTROL},
{"ctl12", 12, REG_CONTROL},
{"ctl13", 13, REG_CONTROL},
{"ctl14", 14, REG_CONTROL},
{"ctl15", 15, REG_CONTROL},
/* Coprocessor register names. */
{"c0", 0, REG_COPROCESSOR},
{"c1", 1, REG_COPROCESSOR},
{"c2", 2, REG_COPROCESSOR},
{"c3", 3, REG_COPROCESSOR},
{"c4", 4, REG_COPROCESSOR},
{"c5", 5, REG_COPROCESSOR},
{"c6", 6, REG_COPROCESSOR},
{"c7", 7, REG_COPROCESSOR},
{"c8", 8, REG_COPROCESSOR},
{"c9", 9, REG_COPROCESSOR},
{"c10", 10, REG_COPROCESSOR},
{"c11", 11, REG_COPROCESSOR},
{"c12", 12, REG_COPROCESSOR},
{"c13", 13, REG_COPROCESSOR},
{"c14", 14, REG_COPROCESSOR},
{"c15", 15, REG_COPROCESSOR},
{"c16", 16, REG_COPROCESSOR},
{"c17", 17, REG_COPROCESSOR},
{"c18", 18, REG_COPROCESSOR},
{"c19", 19, REG_COPROCESSOR},
{"c20", 20, REG_COPROCESSOR},
{"c21", 21, REG_COPROCESSOR},
{"c22", 22, REG_COPROCESSOR},
{"c23", 23, REG_COPROCESSOR},
{"c24", 24, REG_COPROCESSOR},
{"c25", 25, REG_COPROCESSOR},
{"c26", 26, REG_COPROCESSOR},
{"c27", 27, REG_COPROCESSOR},
{"c28", 28, REG_COPROCESSOR},
{"c29", 29, REG_COPROCESSOR},
{"c30", 30, REG_COPROCESSOR},
{"c31", 31, REG_COPROCESSOR},
};
#define NIOS2_NUM_REGS \
((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0])))
const int nios2_num_builtin_regs = NIOS2_NUM_REGS;
/* This is not const in order to allow for dynamic extensions to the
built-in instruction set. */
struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs;
int nios2_num_regs = NIOS2_NUM_REGS;
#undef NIOS2_NUM_REGS
/* This is the opcode table used by the Nios II GNU as, disassembler
and GDB. */
const struct nios2_opcode nios2_r1_opcodes[] =
{
/* { name, args, args_test, num_args, size, format,
match, mask, pinfo, overflow } */
{"add", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_ADD, MASK_R1_ADD, 0, no_overflow},
{"addi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_ADDI, MASK_R1_ADDI, NIOS2_INSN_ADDI, signed_immed16_overflow},
{"and", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_AND, MASK_R1_AND, 0, no_overflow},
{"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_ANDHI, MASK_R1_ANDHI, 0, unsigned_immed16_overflow},
{"andi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_ANDI, MASK_R1_ANDI, NIOS2_INSN_ANDI, unsigned_immed16_overflow},
{"beq", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BEQ, MASK_R1_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bge", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BGE, MASK_R1_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BGEU, MASK_R1_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BGT, MASK_R1_BGT,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BGTU, MASK_R1_BGTU,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"ble", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BLE, MASK_R1_BLE,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BLEU, MASK_R1_BLEU,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"blt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BLT, MASK_R1_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BLTU, MASK_R1_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bne", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
MATCH_R1_BNE, MASK_R1_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"br", "o", "o,E", 1, 4, iw_i_type,
MATCH_R1_BR, MASK_R1_BR, NIOS2_INSN_UBRANCH, branch_target_overflow},
{"break", "j", "j,E", 1, 4, iw_r_type,
MATCH_R1_BREAK, MASK_R1_BREAK, NIOS2_INSN_OPTARG, no_overflow},
{"bret", "", "E", 0, 4, iw_r_type,
MATCH_R1_BRET, MASK_R1_BRET, 0, no_overflow},
{"call", "m", "m,E", 1, 4, iw_j_type,
MATCH_R1_CALL, MASK_R1_CALL, NIOS2_INSN_CALL, call_target_overflow},
{"callr", "s", "s,E", 1, 4, iw_r_type,
MATCH_R1_CALLR, MASK_R1_CALLR, 0, no_overflow},
{"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPEQ, MASK_R1_CMPEQ, 0, no_overflow},
{"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPEQI, MASK_R1_CMPEQI, 0, signed_immed16_overflow},
{"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPGE, MASK_R1_CMPGE, 0, no_overflow},
{"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPGEI, MASK_R1_CMPGEI, 0, signed_immed16_overflow},
{"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPGEU, MASK_R1_CMPGEU, 0, no_overflow},
{"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_CMPGEUI, MASK_R1_CMPGEUI, 0, unsigned_immed16_overflow},
{"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPGT, MASK_R1_CMPGT, NIOS2_INSN_MACRO, no_overflow},
{"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPGTI, MASK_R1_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPGTU, MASK_R1_CMPGTU, NIOS2_INSN_MACRO, no_overflow},
{"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_CMPGTUI, MASK_R1_CMPGTUI,
NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPLE, MASK_R1_CMPLE, NIOS2_INSN_MACRO, no_overflow},
{"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPLEI, MASK_R1_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPLEU, MASK_R1_CMPLEU, NIOS2_INSN_MACRO, no_overflow},
{"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_CMPLEUI, MASK_R1_CMPLEUI,
NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPLT, MASK_R1_CMPLT, 0, no_overflow},
{"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPLTI, MASK_R1_CMPLTI, 0, signed_immed16_overflow},
{"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPLTU, MASK_R1_CMPLTU, 0, no_overflow},
{"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_CMPLTUI, MASK_R1_CMPLTUI, 0, unsigned_immed16_overflow},
{"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_CMPNE, MASK_R1_CMPNE, 0, no_overflow},
{"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_CMPNEI, MASK_R1_CMPNEI, 0, signed_immed16_overflow},
{"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_custom_type,
MATCH_R1_CUSTOM, MASK_R1_CUSTOM, 0, custom_opcode_overflow},
{"div", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_DIV, MASK_R1_DIV, 0, no_overflow},
{"divu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_DIVU, MASK_R1_DIVU, 0, no_overflow},
{"eret", "", "E", 0, 4, iw_r_type,
MATCH_R1_ERET, MASK_R1_ERET, 0, no_overflow},
{"flushd", "i(s)", "i(s),E", 2, 4, iw_i_type,
MATCH_R1_FLUSHD, MASK_R1_FLUSHD, 0, address_offset_overflow},
{"flushda", "i(s)", "i(s),E", 2, 4, iw_i_type,
MATCH_R1_FLUSHDA, MASK_R1_FLUSHDA, 0, address_offset_overflow},
{"flushi", "s", "s,E", 1, 4, iw_r_type,
MATCH_R1_FLUSHI, MASK_R1_FLUSHI, 0, no_overflow},
{"flushp", "", "E", 0, 4, iw_r_type,
MATCH_R1_FLUSHP, MASK_R1_FLUSHP, 0, no_overflow},
{"initd", "i(s)", "i(s),E", 2, 4, iw_i_type,
MATCH_R1_INITD, MASK_R1_INITD, 0, address_offset_overflow},
{"initda", "i(s)", "i(s),E", 2, 4, iw_i_type,
MATCH_R1_INITDA, MASK_R1_INITDA, 0, address_offset_overflow},
{"initi", "s", "s,E", 1, 4, iw_r_type,
MATCH_R1_INITI, MASK_R1_INITI, 0, no_overflow},
{"jmp", "s", "s,E", 1, 4, iw_r_type,
MATCH_R1_JMP, MASK_R1_JMP, 0, no_overflow},
{"jmpi", "m", "m,E", 1, 4, iw_j_type,
MATCH_R1_JMPI, MASK_R1_JMPI, 0, call_target_overflow},
{"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDB, MASK_R1_LDB, 0, address_offset_overflow},
{"ldbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDBIO, MASK_R1_LDBIO, 0, address_offset_overflow},
{"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDBU, MASK_R1_LDBU, 0, address_offset_overflow},
{"ldbuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDBUIO, MASK_R1_LDBUIO, 0, address_offset_overflow},
{"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDH, MASK_R1_LDH, 0, address_offset_overflow},
{"ldhio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDHIO, MASK_R1_LDHIO, 0, address_offset_overflow},
{"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDHU, MASK_R1_LDHU, 0, address_offset_overflow},
{"ldhuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDHUIO, MASK_R1_LDHUIO, 0, address_offset_overflow},
{"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDW, MASK_R1_LDW, 0, address_offset_overflow},
{"ldwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_LDWIO, MASK_R1_LDWIO, 0, address_offset_overflow},
{"mov", "d,s", "d,s,E", 2, 4, iw_r_type,
MATCH_R1_MOV, MASK_R1_MOV, NIOS2_INSN_MACRO_MOV, no_overflow},
{"movhi", "t,u", "t,u,E", 2, 4, iw_i_type,
MATCH_R1_MOVHI, MASK_R1_MOVHI,
NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
{"movi", "t,i", "t,i,E", 2, 4, iw_i_type,
MATCH_R1_MOVI, MASK_R1_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow},
{"movia", "t,o", "t,o,E", 2, 4, iw_i_type,
MATCH_R1_ORHI, MASK_R1_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow},
{"movui", "t,u", "t,u,E", 2, 4, iw_i_type,
MATCH_R1_MOVUI, MASK_R1_MOVUI,
NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
{"mul", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_MUL, MASK_R1_MUL, 0, no_overflow},
{"muli", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_MULI, MASK_R1_MULI, 0, signed_immed16_overflow},
{"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_MULXSS, MASK_R1_MULXSS, 0, no_overflow},
{"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_MULXSU, MASK_R1_MULXSU, 0, no_overflow},
{"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_MULXUU, MASK_R1_MULXUU, 0, no_overflow},
{"nextpc", "d", "d,E", 1, 4, iw_r_type,
MATCH_R1_NEXTPC, MASK_R1_NEXTPC, 0, no_overflow},
{"nop", "", "E", 0, 4, iw_r_type,
MATCH_R1_NOP, MASK_R1_NOP, NIOS2_INSN_MACRO_MOV, no_overflow},
{"nor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_NOR, MASK_R1_NOR, 0, no_overflow},
{"or", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_OR, MASK_R1_OR, 0, no_overflow},
{"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_ORHI, MASK_R1_ORHI, 0, unsigned_immed16_overflow},
{"ori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_ORI, MASK_R1_ORI, NIOS2_INSN_ORI, unsigned_immed16_overflow},
{"rdctl", "d,c", "d,c,E", 2, 4, iw_r_type,
MATCH_R1_RDCTL, MASK_R1_RDCTL, 0, no_overflow},
{"rdprs", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_RDPRS, MASK_R1_RDPRS, 0, signed_immed16_overflow},
{"ret", "", "E", 0, 4, iw_r_type,
MATCH_R1_RET, MASK_R1_RET, 0, no_overflow},
{"rol", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_ROL, MASK_R1_ROL, 0, no_overflow},
{"roli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
MATCH_R1_ROLI, MASK_R1_ROLI, 0, unsigned_immed5_overflow},
{"ror", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_ROR, MASK_R1_ROR, 0, no_overflow},
{"sll", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_SLL, MASK_R1_SLL, 0, no_overflow},
{"slli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
MATCH_R1_SLLI, MASK_R1_SLLI, 0, unsigned_immed5_overflow},
{"sra", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_SRA, MASK_R1_SRA, 0, no_overflow},
{"srai", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
MATCH_R1_SRAI, MASK_R1_SRAI, 0, unsigned_immed5_overflow},
{"srl", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_SRL, MASK_R1_SRL, 0, no_overflow},
{"srli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
MATCH_R1_SRLI, MASK_R1_SRLI, 0, unsigned_immed5_overflow},
{"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STB, MASK_R1_STB, 0, address_offset_overflow},
{"stbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STBIO, MASK_R1_STBIO, 0, address_offset_overflow},
{"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STH, MASK_R1_STH, 0, address_offset_overflow},
{"sthio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STHIO, MASK_R1_STHIO, 0, address_offset_overflow},
{"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STW, MASK_R1_STW, 0, address_offset_overflow},
{"stwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
MATCH_R1_STWIO, MASK_R1_STWIO, 0, address_offset_overflow},
{"sub", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_SUB, MASK_R1_SUB, 0, no_overflow},
{"subi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
MATCH_R1_SUBI, MASK_R1_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"sync", "", "E", 0, 4, iw_r_type,
MATCH_R1_SYNC, MASK_R1_SYNC, 0, no_overflow},
{"trap", "j", "j,E", 1, 4, iw_r_type,
MATCH_R1_TRAP, MASK_R1_TRAP, NIOS2_INSN_OPTARG, no_overflow},
{"wrctl", "c,s", "c,s,E", 2, 4, iw_r_type,
MATCH_R1_WRCTL, MASK_R1_WRCTL, 0, no_overflow},
{"wrprs", "d,s", "d,s,E", 2, 4, iw_r_type,
MATCH_R1_WRPRS, MASK_R1_WRPRS, 0, no_overflow},
{"xor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
MATCH_R1_XOR, MASK_R1_XOR, 0, no_overflow},
{"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_XORHI, MASK_R1_XORHI, 0, unsigned_immed16_overflow},
{"xori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
MATCH_R1_XORI, MASK_R1_XORI, NIOS2_INSN_XORI, unsigned_immed16_overflow}
};
#define NIOS2_NUM_OPCODES \
((sizeof nios2_r1_opcodes) / (sizeof (nios2_r1_opcodes[0])))
const int nios2_num_r1_opcodes = NIOS2_NUM_OPCODES;
struct nios2_opcode *nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes;
int nios2_num_opcodes = NIOS2_NUM_OPCODES;
#undef NIOS2_NUM_OPCODES