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c8c8175b62
binutils-gdb/opcodes/nios2-opc.c
Sandra Loosemore c8c8175b62 Opcodes and assembler support for Nios II R2 
2015-07-01  Sandra Loosemore  <sandra@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	gas/
	* config/tc-nios2.c (nios2_min_align): New.
	(nop): Replace with....
	(nop_r1, nop_r2, nop_r2_cdx, nop32, nop16): New.
	(nios2_align): Handle alignment on 2-byte boundaries when CDX
	instructions may be present.
	(s_nios2_align): Adjust reference to nop.
	(CDXBRANCH, IS_CDXBRANCH): New.
	(CDX_UBRANCH_SUBTYPE, CDX_CBRANCH_SUBTYPE): New.
	(nios2_relax_subtype_size): Handle 2-byte CDX branches.
	(nios2_relax_frag): Likewise.
	(md_convert_frag): Handle R2 encodings.
	(nios2_check_overflow): Check that low-order bits are zero
	before applying rightshift from howto.
	(nios2_check_overflow): Correct negative overflow calculation.
	(nios2_diagnose_overflow): Handle signed_immed12_overflow.  Issue
	generic overflow messages for miscellaneous instruction formats.
	(md_apply_fix): Recognize new R2 relocations.  For pc_relative
	relocations, store fixup in *valP.
	(nios2_reglist_mask, nios2_reglist_dir): New.
	(nios2_parse_reglist): New.
	(nios2_parse_base_register): New.
	(nios2_assemble_expression): Handle constant expressions designated
	by BFD_RELOC_NONE.
	(nios2_assemble_reg3): New.
	(nios2_assemble_arg_c): Handle R2 instruction formats.
	(nios2_assemble_arg_d): Likewise.
	(nios2_assemble_arg_s): Likewise.
	(nios2_assemble_arg_t): Likewise.
	(nios2_assemble_arg_D): New.
	(nios2_assemble_arg_S): New.
	(nios2_assemble_arg_T): New.
	(nios2_assemble_arg_i): Handle R2 instruction formats.
	(nios2_assemble_arg_I): New.
	(nios2_assemble_arg_u): Handle R2 instruction formats.
	(nios2_assemble_arg_U): New.
	(nios2_assemble_arg_V): New.
	(nios2_assemble_arg_W): New.
	(nios2_assemble_arg_X): New.
	(nios2_assemble_arg_Y): New.
	(nios2_assemble_arg_o): Handle R2 instruction formats.
	(nios2_assemble_arg_O): New.
	(nios2_assemble_arg_P): New.
	(nios2_assemble_arg_j): Handle R2 instruction formats.
	(nios2_assemble_arg_k): New.
	(nios2_assemble_arg_l): Handle R2 instruction formats.
	(nios2_assemble_arg_m): Likewise.
	(nios2_assemble_arg_M): New.
	(nios2_assemble_arg_N): New.
	(nios2_assemble_arg_e): New.
	(nios2_assemble_arg_f): New.
	(nios2_assemble_arg_g): New.
	(nios2_assemble_arg_h): New.
	(nios2_assemble_arg_R): New.
	(nios2_assemble_arg_B): New.
	(nios2_assemble_args): Handle new argument letters.
	(nios2_consume_arg): Likewise.
	(nios2_translate_pseudo_insn): Avoid dereferencing null pointer
	in error message.
	(nios2_ps_insn_info_structs): Add nop.n.
	(output_ubranch): Handle CDX branches.
	(output_cbranch): Likewise.
	(output_call): Handle R2 encodings.
	(output_movia): Likewise.
	(md_begin): Initialize nios2_min_align.
	(md_assemble): Align to nios2_min_align.  Adjust nios2_min_align
	if a 16-bit instruction is seen.
	(nios2_cons_align): Use appropriate nop pattern.

	include/opcode/
	* nios2.h (enum iw_format_type): Add R2 formats.
	(enum overflow_type): Add signed_immed12_overflow and
	enumeration_overflow for R2.
	(struct nios2_opcode): Document new argument letters for R2.
	(REG_3BIT, REG_LDWM, REG_POP): Define.
	(includes): Include nios2r2.h.
	(nios2_r2_opcodes, nios2_num_r2_opcodes): Declare.
	(nios2_r2_asi_n_mappings, nios2_num_r2_asi_n_mappings): Declare.
	(nios2_r2_shi_n_mappings, nios2_num_r2_shi_n_mappings): Declare.
	(nios2_r2_andi_n_mappings, nios2_num_r2_andi_n_mappings): Declare.
	(nios2_r2_reg3_mappings, nios2_num_r2_reg3_mappings): Declare.
	(nios2_r2_reg_range_mappings, nios2_num_r2_reg_range_mappings):
	Declare.
	* nios2r2.h: New file.

	opcodes/
	* nios2-dis.c (nios2_extract_opcode): New.
	(nios2_disassembler_state): New.
	(nios2_find_opcode_hash): Use mach parameter to select correct
	disassembler state.
	(nios2_print_insn_arg): Extend to support new R2 argument letters
	and formats.
	(print_insn_nios2): Check for 16-bit instruction at end of memory.
	* nios2-opc.c (nios2_builtin_regs): Add R2 register attributes.
	(NIOS2_NUM_OPCODES): Rename to...
	(NIOS2_NUM_R1_OPCODES): This.
	(nios2_r2_opcodes): New.
	(NIOS2_NUM_R2_OPCODES): New.
	(nios2_num_r2_opcodes): New.
	(nios2_r2_asi_n_mappings, nios2_num_r2_asi_n_mappings): New.
	(nios2_r2_shi_n_mappings, nios2_num_r2_shi_n_mappings): New.
	(nios2_r2_andi_n_mappings, nios2_num_r2_andi_n_mappings): New.
	(nios2_r2_reg3_mappings, nios2_num_r2_reg3_mappings): New.
	(nios2_r2_reg_range_mappings, nios2_num_r2_reg_range_mappings):	New.
2015-07-01 16:08:03 -07:00

784 lines
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/* Altera Nios II opcode list.
Copyright (C) 2012-2015 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 | REG_3BIT | REG_LDWM},
{"r3", 3, REG_NORMAL | REG_3BIT | REG_LDWM},
{"r4", 4, REG_NORMAL | REG_3BIT | REG_LDWM},
{"r5", 5, REG_NORMAL | REG_3BIT | REG_LDWM},
{"r6", 6, REG_NORMAL | REG_3BIT | REG_LDWM},
{"r7", 7, REG_NORMAL | REG_3BIT | REG_LDWM},
{"r8", 8, REG_NORMAL | REG_LDWM},
{"r9", 9, REG_NORMAL | REG_LDWM},
{"r10", 10, REG_NORMAL | REG_LDWM},
{"r11", 11, REG_NORMAL | REG_LDWM},
{"r12", 12, REG_NORMAL | REG_LDWM},
{"r13", 13, REG_NORMAL | REG_LDWM},
{"r14", 14, REG_NORMAL | REG_LDWM},
{"r15", 15, REG_NORMAL | REG_LDWM},
{"r16", 16, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP},
{"r17", 17, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP},
{"r18", 18, REG_NORMAL | REG_LDWM | REG_POP},
{"r19", 19, REG_NORMAL | REG_LDWM | REG_POP},
{"r20", 20, REG_NORMAL | REG_LDWM | REG_POP},
{"r21", 21, REG_NORMAL | REG_LDWM | REG_POP},
{"r22", 22, REG_NORMAL | REG_LDWM | REG_POP},
{"r23", 23, REG_NORMAL | REG_LDWM | REG_POP},
{"et", 24, REG_NORMAL},
{"bt", 25, REG_NORMAL},
{"gp", 26, REG_NORMAL}, /* global pointer */
{"sp", 27, REG_NORMAL}, /* stack pointer */
{"fp", 28, REG_NORMAL | REG_LDWM | REG_POP}, /* frame pointer */
{"ea", 29, REG_NORMAL}, /* exception return address */
{"sstatus", 30, REG_NORMAL}, /* saved processor status */
{"ra", 31, REG_NORMAL | REG_LDWM | REG_POP}, /* 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 | REG_LDWM | REG_POP},
{"r29", 29, REG_NORMAL},
{"r30", 30, REG_NORMAL},
{"ba", 30, REG_NORMAL}, /* breakpoint return address */
{"r31", 31, REG_NORMAL | REG_LDWM | REG_POP},
/* 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, 0, 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, 0, 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, 0, 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, 0, unsigned_immed16_overflow}
};
#define NIOS2_NUM_R1_OPCODES \
((sizeof nios2_r1_opcodes) / (sizeof (nios2_r1_opcodes[0])))
const int nios2_num_r1_opcodes = NIOS2_NUM_R1_OPCODES;
const struct nios2_opcode nios2_r2_opcodes[] =
{
/* { name, args, args_test, num_args, size, format,
match, mask, pinfo, overflow } */
{"add", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_ADD, MASK_R2_ADD, 0, no_overflow},
{"addi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_ADDI, MASK_R2_ADDI, 0, signed_immed16_overflow},
{"add.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type,
MATCH_R2_ADD_N, MASK_R2_ADD_N, 0, no_overflow},
{"addi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type,
MATCH_R2_ADDI_N, MASK_R2_ADDI_N, 0, enumeration_overflow},
{"and", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_AND, MASK_R2_AND, 0, no_overflow},
{"andchi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ANDCHI, MASK_R2_ANDCHI, 0, unsigned_immed16_overflow},
{"andci", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ANDCI, MASK_R2_ANDCI, 0, unsigned_immed16_overflow},
{"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ANDHI, MASK_R2_ANDHI, 0, unsigned_immed16_overflow},
{"andi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ANDI, MASK_R2_ANDI, 0, unsigned_immed16_overflow},
{"andi.n", "T,S,g", "T,S,g,E", 3, 2, iw_T2I4_type,
MATCH_R2_ANDI_N, MASK_R2_ANDI_N, 0, enumeration_overflow},
{"and.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
MATCH_R2_AND_N, MASK_R2_AND_N, 0, no_overflow},
{"beq", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BEQ, MASK_R2_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"beqz.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type,
MATCH_R2_BEQZ_N, MASK_R2_BEQZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bge", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BGE, MASK_R2_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BGEU, MASK_R2_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BGT, MASK_R2_BGT,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BGTU, MASK_R2_BGTU,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"ble", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BLE, MASK_R2_BLE,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BLEU, MASK_R2_BLEU,
NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
{"blt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BLT, MASK_R2_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BLTU, MASK_R2_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bne", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
MATCH_R2_BNE, MASK_R2_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bnez.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type,
MATCH_R2_BNEZ_N, MASK_R2_BNEZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"br", "o", "o,E", 1, 4, iw_F2I16_type,
MATCH_R2_BR, MASK_R2_BR, NIOS2_INSN_UBRANCH, branch_target_overflow},
{"break", "j", "j,E", 1, 4, iw_F3X6L5_type,
MATCH_R2_BREAK, MASK_R2_BREAK, NIOS2_INSN_OPTARG, no_overflow},
{"break.n", "j", "j,E", 1, 2, iw_X2L5_type,
MATCH_R2_BREAK_N, MASK_R2_BREAK_N, NIOS2_INSN_OPTARG, no_overflow},
{"bret", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_BRET, MASK_R2_BRET, 0, no_overflow},
{"br.n", "O", "O,E", 1, 2, iw_I10_type,
MATCH_R2_BR_N, MASK_R2_BR_N, NIOS2_INSN_UBRANCH, branch_target_overflow},
{"call", "m", "m,E", 1, 4, iw_L26_type,
MATCH_R2_CALL, MASK_R2_CALL, NIOS2_INSN_CALL, call_target_overflow},
{"callr", "s", "s,E", 1, 4, iw_F3X6_type,
MATCH_R2_CALLR, MASK_R2_CALLR, 0, no_overflow},
{"callr.n", "s", "s,E", 1, 2, iw_F1X1_type,
MATCH_R2_CALLR_N, MASK_R2_CALLR_N, 0, no_overflow},
{"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPEQ, MASK_R2_CMPEQ, 0, no_overflow},
{"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPEQI, MASK_R2_CMPEQI, 0, signed_immed16_overflow},
{"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPGE, MASK_R2_CMPGE, 0, no_overflow},
{"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPGEI, MASK_R2_CMPGEI, 0, signed_immed16_overflow},
{"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPGEU, MASK_R2_CMPGEU, 0, no_overflow},
{"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPGEUI, MASK_R2_CMPGEUI, 0, unsigned_immed16_overflow},
{"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPGT, MASK_R2_CMPGT, NIOS2_INSN_MACRO, no_overflow},
{"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPGTI, MASK_R2_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPGTU, MASK_R2_CMPGTU, NIOS2_INSN_MACRO, no_overflow},
{"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPGTUI, MASK_R2_CMPGTUI,
NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPLE, MASK_R2_CMPLE, NIOS2_INSN_MACRO, no_overflow},
{"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPLEI, MASK_R2_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPLEU, MASK_R2_CMPLEU, NIOS2_INSN_MACRO, no_overflow},
{"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPLEUI, MASK_R2_CMPLEUI,
NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPLT, MASK_R2_CMPLT, 0, no_overflow},
{"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPLTI, MASK_R2_CMPLTI, 0, signed_immed16_overflow},
{"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPLTU, MASK_R2_CMPLTU, 0, no_overflow},
{"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPLTUI, MASK_R2_CMPLTUI, 0, unsigned_immed16_overflow},
{"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_CMPNE, MASK_R2_CMPNE, 0, no_overflow},
{"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_CMPNEI, MASK_R2_CMPNEI, 0, signed_immed16_overflow},
{"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_F3X8_type,
MATCH_R2_CUSTOM, MASK_R2_CUSTOM, 0, custom_opcode_overflow},
{"div", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_DIV, MASK_R2_DIV, 0, no_overflow},
{"divu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_DIVU, MASK_R2_DIVU, 0, no_overflow},
{"eni", "j", "j,E", 1, 4, iw_F3X6L5_type,
MATCH_R2_ENI, MASK_R2_ENI, NIOS2_INSN_OPTARG, no_overflow},
{"eret", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_ERET, MASK_R2_ERET, 0, no_overflow},
{"extract", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
MATCH_R2_EXTRACT, MASK_R2_EXTRACT, 0, no_overflow},
{"flushd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
MATCH_R2_FLUSHD, MASK_R2_FLUSHD, 0, address_offset_overflow},
{"flushda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
MATCH_R2_FLUSHDA, MASK_R2_FLUSHDA, 0, address_offset_overflow},
{"flushi", "s", "s,E", 1, 4, iw_F3X6_type,
MATCH_R2_FLUSHI, MASK_R2_FLUSHI, 0, no_overflow},
{"flushp", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_FLUSHP, MASK_R2_FLUSHP, 0, no_overflow},
{"initd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
MATCH_R2_INITD, MASK_R2_INITD, 0, address_offset_overflow},
{"initda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
MATCH_R2_INITDA, MASK_R2_INITDA, 0, address_offset_overflow},
{"initi", "s", "s,E", 1, 4, iw_F3X6_type,
MATCH_R2_INITI, MASK_R2_INITI, 0, no_overflow},
{"insert", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
MATCH_R2_INSERT, MASK_R2_INSERT, 0, no_overflow},
{"jmp", "s", "s,E", 1, 4, iw_F3X6_type,
MATCH_R2_JMP, MASK_R2_JMP, 0, no_overflow},
{"jmpi", "m", "m,E", 1, 4, iw_L26_type,
MATCH_R2_JMPI, MASK_R2_JMPI, 0, call_target_overflow},
{"jmpr.n", "s", "s,E", 1, 2, iw_F1X1_type,
MATCH_R2_JMPR_N, MASK_R2_JMPR_N, 0, no_overflow},
{"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_LDB, MASK_R2_LDB, 0, address_offset_overflow},
{"ldbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_LDBIO, MASK_R2_LDBIO, 0, signed_immed12_overflow},
{"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_LDBU, MASK_R2_LDBU, 0, address_offset_overflow},
{"ldbuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_LDBUIO, MASK_R2_LDBUIO, 0, signed_immed12_overflow},
{"ldbu.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_LDBU_N, MASK_R2_LDBU_N, 0, address_offset_overflow},
{"ldex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type,
MATCH_R2_LDEX, MASK_R2_LDEX, 0, no_overflow},
{"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_LDH, MASK_R2_LDH, 0, address_offset_overflow},
{"ldhio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_LDHIO, MASK_R2_LDHIO, 0, signed_immed12_overflow},
{"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_LDHU, MASK_R2_LDHU, 0, address_offset_overflow},
{"ldhuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_LDHUIO, MASK_R2_LDHUIO, 0, signed_immed12_overflow},
{"ldhu.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_LDHU_N, MASK_R2_LDHU_N, 0, address_offset_overflow},
{"ldsex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type,
MATCH_R2_LDSEX, MASK_R2_LDSEX, 0, no_overflow},
{"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_LDW, MASK_R2_LDW, 0, address_offset_overflow},
{"ldwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_LDWIO, MASK_R2_LDWIO, 0, signed_immed12_overflow},
{"ldwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type,
MATCH_R2_LDWM, MASK_R2_LDWM, 0, no_overflow},
{"ldw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_LDW_N, MASK_R2_LDW_N, 0, address_offset_overflow},
{"ldwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type,
MATCH_R2_LDWSP_N, MASK_R2_LDWSP_N, 0, address_offset_overflow},
{"merge", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
MATCH_R2_MERGE, MASK_R2_MERGE, 0, no_overflow},
{"mov", "d,s", "d,s,E", 2, 4, iw_F3X6_type,
MATCH_R2_MOV, MASK_R2_MOV, NIOS2_INSN_MACRO_MOV, no_overflow},
{"mov.n", "d,s", "d,s,E", 2, 2, iw_F2_type,
MATCH_R2_MOV_N, MASK_R2_MOV_N, 0, no_overflow},
{"movi.n", "D,h", "D,h,E", 2, 2, iw_T1I7_type,
MATCH_R2_MOVI_N, MASK_R2_MOVI_N, 0, enumeration_overflow},
{"movhi", "t,u", "t,u,E", 2, 4, iw_F2I16_type,
MATCH_R2_MOVHI, MASK_R2_MOVHI,
NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
{"movi", "t,i", "t,i,E", 2, 4, iw_F2I16_type,
MATCH_R2_MOVI, MASK_R2_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow},
{"movia", "t,o", "t,o,E", 2, 4, iw_F2I16_type,
MATCH_R2_ORHI, MASK_R2_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow},
{"movui", "t,u", "t,u,E", 2, 4, iw_F2I16_type,
MATCH_R2_MOVUI, MASK_R2_MOVUI,
NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
{"mul", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_MUL, MASK_R2_MUL, 0, no_overflow},
{"muli", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_MULI, MASK_R2_MULI, 0, signed_immed16_overflow},
{"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_MULXSS, MASK_R2_MULXSS, 0, no_overflow},
{"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_MULXSU, MASK_R2_MULXSU, 0, no_overflow},
{"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_MULXUU, MASK_R2_MULXUU, 0, no_overflow},
/* The encoding of the neg.n operands is backwards, not
the interpretation -- the first operand is still the
destination and the second the source. */
{"neg.n", "S,D", "S,D,E", 2, 2, iw_T2X3_type,
MATCH_R2_NEG_N, MASK_R2_NEG_N, 0, no_overflow},
{"nextpc", "d", "d,E", 1, 4, iw_F3X6_type,
MATCH_R2_NEXTPC, MASK_R2_NEXTPC, 0, no_overflow},
{"nop", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_NOP, MASK_R2_NOP, NIOS2_INSN_MACRO_MOV, no_overflow},
{"nop.n", "", "E", 0, 2, iw_F2_type,
MATCH_R2_NOP_N, MASK_R2_NOP_N, NIOS2_INSN_MACRO_MOV, no_overflow},
{"nor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_NOR, MASK_R2_NOR, 0, no_overflow},
{"not.n", "D,S", "D,S,E", 2, 2, iw_T2X3_type,
MATCH_R2_NOT_N, MASK_R2_NOT_N, 0, no_overflow},
{"or", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_OR, MASK_R2_OR, 0, no_overflow},
{"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ORHI, MASK_R2_ORHI, 0, unsigned_immed16_overflow},
{"ori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_ORI, MASK_R2_ORI, 0, unsigned_immed16_overflow},
{"or.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
MATCH_R2_OR_N, MASK_R2_OR_N, 0, no_overflow},
{"pop.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type,
MATCH_R2_POP_N, MASK_R2_POP_N, NIOS2_INSN_OPTARG, no_overflow},
{"push.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type,
MATCH_R2_PUSH_N, MASK_R2_PUSH_N, NIOS2_INSN_OPTARG, no_overflow},
{"rdctl", "d,c", "d,c,E", 2, 4, iw_F3X6L5_type,
MATCH_R2_RDCTL, MASK_R2_RDCTL, 0, no_overflow},
{"rdprs", "t,s,I", "t,s,I,E", 3, 4, iw_F2X4I12_type,
MATCH_R2_RDPRS, MASK_R2_RDPRS, 0, signed_immed12_overflow},
{"ret", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_RET, MASK_R2_RET, 0, no_overflow},
{"ret.n", "", "E", 0, 2, iw_X2L5_type,
MATCH_R2_RET_N, MASK_R2_RET_N, 0, no_overflow},
{"rol", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_ROL, MASK_R2_ROL, 0, no_overflow},
{"roli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
MATCH_R2_ROLI, MASK_R2_ROLI, 0, unsigned_immed5_overflow},
{"ror", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_ROR, MASK_R2_ROR, 0, no_overflow},
{"sll", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_SLL, MASK_R2_SLL, 0, no_overflow},
{"slli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
MATCH_R2_SLLI, MASK_R2_SLLI, 0, unsigned_immed5_overflow},
{"sll.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
MATCH_R2_SLL_N, MASK_R2_SLL_N, 0, no_overflow},
{"slli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type,
MATCH_R2_SLLI_N, MASK_R2_SLLI_N, 0, enumeration_overflow},
{"spaddi.n", "D,U", "D,U,E", 2, 2, iw_T1I7_type,
MATCH_R2_SPADDI_N, MASK_R2_SPADDI_N, 0, address_offset_overflow},
{"spdeci.n", "U", "U,E", 1, 2, iw_X1I7_type,
MATCH_R2_SPDECI_N, MASK_R2_SPDECI_N, 0, address_offset_overflow},
{"spinci.n", "U", "U,E", 1, 2, iw_X1I7_type,
MATCH_R2_SPINCI_N, MASK_R2_SPINCI_N, 0, address_offset_overflow},
{"sra", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_SRA, MASK_R2_SRA, 0, no_overflow},
{"srai", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
MATCH_R2_SRAI, MASK_R2_SRAI, 0, unsigned_immed5_overflow},
{"srl", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_SRL, MASK_R2_SRL, 0, no_overflow},
{"srli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
MATCH_R2_SRLI, MASK_R2_SRLI, 0, unsigned_immed5_overflow},
{"srl.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
MATCH_R2_SRL_N, MASK_R2_SRL_N, 0, no_overflow},
{"srli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type,
MATCH_R2_SRLI_N, MASK_R2_SRLI_N, 0, enumeration_overflow},
{"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_STB, MASK_R2_STB, 0, address_offset_overflow},
{"stbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_STBIO, MASK_R2_STBIO, 0, signed_immed12_overflow},
{"stb.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_STB_N, MASK_R2_STB_N, 0, address_offset_overflow},
{"stbz.n", "t,M(S)", "t,M(S),E", 3, 2, iw_T1X1I6_type,
MATCH_R2_STBZ_N, MASK_R2_STBZ_N, 0, address_offset_overflow},
{"stex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type,
MATCH_R2_STEX, MASK_R2_STEX, 0, no_overflow},
{"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_STH, MASK_R2_STH, 0, address_offset_overflow},
{"sthio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_STHIO, MASK_R2_STHIO, 0, signed_immed12_overflow},
{"sth.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_STH_N, MASK_R2_STH_N, 0, address_offset_overflow},
{"stsex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type,
MATCH_R2_STSEX, MASK_R2_STSEX, 0, no_overflow},
{"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
MATCH_R2_STW, MASK_R2_STW, 0, address_offset_overflow},
{"stwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
MATCH_R2_STWIO, MASK_R2_STWIO, 0, signed_immed12_overflow},
{"stwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type,
MATCH_R2_STWM, MASK_R2_STWM, 0, no_overflow},
{"stwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type,
MATCH_R2_STWSP_N, MASK_R2_STWSP_N, 0, address_offset_overflow},
{"stw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type,
MATCH_R2_STW_N, MASK_R2_STW_N, 0, address_offset_overflow},
{"stwz.n", "t,N(S)", "t,N(S),E", 3, 2, iw_T1X1I6_type,
MATCH_R2_STWZ_N, MASK_R2_STWZ_N, 0, address_offset_overflow},
{"sub", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_SUB, MASK_R2_SUB, 0, no_overflow},
{"subi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
MATCH_R2_SUBI, MASK_R2_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"sub.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type,
MATCH_R2_SUB_N, MASK_R2_SUB_N, 0, no_overflow},
{"subi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type,
MATCH_R2_SUBI_N, MASK_R2_SUBI_N, 0, enumeration_overflow},
{"sync", "", "E", 0, 4, iw_F3X6_type,
MATCH_R2_SYNC, MASK_R2_SYNC, 0, no_overflow},
{"trap", "j", "j,E", 1, 4, iw_F3X6L5_type,
MATCH_R2_TRAP, MASK_R2_TRAP, NIOS2_INSN_OPTARG, no_overflow},
{"trap.n", "j", "j,E", 1, 2, iw_X2L5_type,
MATCH_R2_TRAP_N, MASK_R2_TRAP_N, NIOS2_INSN_OPTARG, no_overflow},
{"wrctl", "c,s", "c,s,E", 2, 4, iw_F3X6L5_type,
MATCH_R2_WRCTL, MASK_R2_WRCTL, 0, no_overflow},
{"wrpie", "d,s", "d,s,E", 2, 4, iw_F3X6L5_type,
MATCH_R2_WRPIE, MASK_R2_WRPIE, 0, no_overflow},
{"wrprs", "d,s", "d,s,E", 2, 4, iw_F3X6_type,
MATCH_R2_WRPRS, MASK_R2_WRPRS, 0, no_overflow},
{"xor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
MATCH_R2_XOR, MASK_R2_XOR, 0, no_overflow},
{"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_XORHI, MASK_R2_XORHI, 0, unsigned_immed16_overflow},
{"xori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
MATCH_R2_XORI, MASK_R2_XORI, 0, unsigned_immed16_overflow},
{"xor.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
MATCH_R2_XOR_N, MASK_R2_XOR_N, 0, no_overflow},
};
#define NIOS2_NUM_R2_OPCODES \
((sizeof nios2_r2_opcodes) / (sizeof (nios2_r2_opcodes[0])))
const int nios2_num_r2_opcodes = NIOS2_NUM_R2_OPCODES;
/* Default to using the R1 instruction tables. */
struct nios2_opcode *nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes;
int nios2_num_opcodes = NIOS2_NUM_R1_OPCODES;
#undef NIOS2_NUM_R1_OPCODES
#undef NIOS2_NUM_R2_OPCODES
/* Decodings for R2 asi.n (addi.n/subi.n) immediate values. */
unsigned int nios2_r2_asi_n_mappings[] =
{1, 2, 4, 8, 16, 32, 64, 128};
const int nios2_num_r2_asi_n_mappings = 8;
/* Decodings for R2 shi.n (slli.n/srli.n) immediate values. */
unsigned int nios2_r2_shi_n_mappings[] =
{1, 2, 3, 8, 12, 16, 24, 31};
const int nios2_num_r2_shi_n_mappings = 8;
/* Decodings for R2 andi.n immediate values. */
unsigned int nios2_r2_andi_n_mappings[] =
{1, 2, 3, 4, 8, 0xf, 0x10, 0x1f,
0x20, 0x3f, 0x7f, 0x80, 0xff, 0x7ff, 0xff00, 0xffff};
const int nios2_num_r2_andi_n_mappings = 16;
/* Decodings for R2 3-bit register fields. */
int nios2_r2_reg3_mappings[] =
{16, 17, 2, 3, 4, 5, 6, 7};
const int nios2_num_r2_reg3_mappings = 8;
/* Decodings for R2 push.n/pop.n REG_RANGE value list. */
unsigned long nios2_r2_reg_range_mappings[] = {
0x00010000,
0x00030000,
0x00070000,
0x000f0000,
0x001f0000,
0x003f0000,
0x007f0000,
0x00ff0000
};
const int nios2_num_r2_reg_range_mappings = 8;
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