708 lines
19 KiB
C
708 lines
19 KiB
C
/* Instruction opcode table for openrisc.
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THIS FILE IS MACHINE GENERATED WITH CGEN.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU Binutils and/or GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sysdep.h"
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#include "ansidecl.h"
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#include "bfd.h"
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#include "symcat.h"
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#include "openrisc-desc.h"
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#include "openrisc-opc.h"
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#include "libiberty.h"
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/* -- opc.c */
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/* -- */
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/* The hash functions are recorded here to help keep assembler code out of
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the disassembler and vice versa. */
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static int asm_hash_insn_p PARAMS ((const CGEN_INSN *));
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static unsigned int asm_hash_insn PARAMS ((const char *));
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static int dis_hash_insn_p PARAMS ((const CGEN_INSN *));
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static unsigned int dis_hash_insn PARAMS ((const char *, CGEN_INSN_INT));
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/* Instruction formats. */
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
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#else
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#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
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#endif
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static const CGEN_IFMT ifmt_empty = {
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0, 0, 0x0, { { 0 } }
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};
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static const CGEN_IFMT ifmt_l_j = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_jr = {
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32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_bal = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_movhi = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_mfsr = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_mtsr = {
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32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_I16_1) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_lw = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_sw = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R3) }, { F (F_I16NC) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_sll = {
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32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_3) }, { F (F_OP6) }, { F (F_F_4_1) }, { F (F_OP7) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_slli = {
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32, 32, 0xfc00ffe0, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_F_15_8) }, { F (F_OP6) }, { F (F_UIMM5) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_add = {
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32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_7) }, { F (F_OP7) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_addi = {
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32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_LO16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_sfgts = {
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32, 32, 0xffe007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_11) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_sfgtsi = {
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32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
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};
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static const CGEN_IFMT ifmt_l_sfgtui = {
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32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
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};
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#undef F
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define A(a) (1 << CGEN_INSN_##a)
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#else
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#define A(a) (1 << CGEN_INSN_/**/a)
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#endif
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#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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#define OPERAND(op) OPENRISC_OPERAND_##op
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#else
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#define OPERAND(op) OPENRISC_OPERAND_/**/op
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#endif
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#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
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#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
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/* The instruction table. */
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static const CGEN_OPCODE openrisc_cgen_insn_opcode_table[MAX_INSNS] =
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{
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/* Special null first entry.
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A `num' value of zero is thus invalid.
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Also, the special `invalid' insn resides here. */
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{ { 0, 0, 0, 0 }, {{0}}, 0, {0}},
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/* l.j ${abs-26} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (ABS_26), 0 } },
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& ifmt_l_j, { 0x0 }
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},
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/* l.jal ${abs-26} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (ABS_26), 0 } },
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& ifmt_l_j, { 0x4000000 }
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},
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/* l.jr $rA */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), 0 } },
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& ifmt_l_jr, { 0x14000000 }
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},
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/* l.jalr $rA */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), 0 } },
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& ifmt_l_jr, { 0x14200000 }
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},
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/* l.bal ${disp-26} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (DISP_26), 0 } },
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& ifmt_l_bal, { 0x8000000 }
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},
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/* l.bnf ${disp-26} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (DISP_26), 0 } },
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& ifmt_l_bal, { 0xc000000 }
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},
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/* l.bf ${disp-26} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (DISP_26), 0 } },
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& ifmt_l_bal, { 0x10000000 }
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},
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/* l.brk ${uimm-16} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (UIMM_16), 0 } },
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& ifmt_l_jr, { 0x17000000 }
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},
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/* l.rfe $rA */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), 0 } },
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& ifmt_l_jr, { 0x14400000 }
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},
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/* l.sys ${uimm-16} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (UIMM_16), 0 } },
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& ifmt_l_jr, { 0x16000000 }
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},
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/* l.nop */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, 0 } },
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& ifmt_l_jr, { 0x15000000 }
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},
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/* l.movhi $rD,$hi16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (HI16), 0 } },
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& ifmt_l_movhi, { 0x18000000 }
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},
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/* l.mfsr $rD,$rA */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), 0 } },
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& ifmt_l_mfsr, { 0x1c000000 }
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},
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/* l.mtsr $rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_mtsr, { 0x40000000 }
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},
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/* l.lw $rD,${simm-16}($rA) */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
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& ifmt_l_lw, { 0x80000000 }
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},
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/* l.lbz $rD,${simm-16}($rA) */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
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& ifmt_l_lw, { 0x84000000 }
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},
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/* l.lbs $rD,${simm-16}($rA) */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
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& ifmt_l_lw, { 0x88000000 }
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},
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/* l.lhz $rD,${simm-16}($rA) */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
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& ifmt_l_lw, { 0x8c000000 }
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},
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/* l.lhs $rD,${simm-16}($rA) */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
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& ifmt_l_lw, { 0x90000000 }
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},
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/* l.sw ${ui16nc}($rA),$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
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& ifmt_l_sw, { 0xd4000000 }
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},
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/* l.sb ${ui16nc}($rA),$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
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& ifmt_l_sw, { 0xd8000000 }
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},
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/* l.sh ${ui16nc}($rA),$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
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& ifmt_l_sw, { 0xdc000000 }
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},
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/* l.sll $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sll, { 0xe0000008 }
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},
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/* l.slli $rD,$rA,${uimm-5} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
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& ifmt_l_slli, { 0xb4000000 }
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},
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/* l.srl $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sll, { 0xe0000028 }
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},
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/* l.srli $rD,$rA,${uimm-5} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
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& ifmt_l_slli, { 0xb4000020 }
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},
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/* l.sra $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sll, { 0xe0000048 }
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},
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/* l.srai $rD,$rA,${uimm-5} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
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& ifmt_l_slli, { 0xb4000040 }
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},
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/* l.ror $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sll, { 0xe0000088 }
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},
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/* l.rori $rD,$rA,${uimm-5} */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
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& ifmt_l_slli, { 0xb4000080 }
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},
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/* l.add $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000000 }
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},
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/* l.addi $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0x94000000 }
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},
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/* l.sub $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000002 }
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},
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/* l.subi $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0x9c000000 }
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},
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/* l.and $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000003 }
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},
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/* l.andi $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0xa0000000 }
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},
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/* l.or $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000004 }
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},
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/* l.ori $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0xa4000000 }
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},
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/* l.xor $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000005 }
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},
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/* l.xori $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0xa8000000 }
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},
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/* l.mul $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000006 }
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},
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/* l.muli $rD,$rA,$lo16 */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
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& ifmt_l_addi, { 0xac000000 }
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},
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/* l.div $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe0000009 }
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},
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/* l.divu $rD,$rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_add, { 0xe000000a }
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},
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/* l.sfgts $rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sfgts, { 0xe4c00000 }
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},
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/* l.sfgtu $rA,$rB */
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{
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{ 0, 0, 0, 0 },
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{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
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& ifmt_l_sfgts, { 0xe4400000 }
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},
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|
/* l.sfges $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4e00000 }
|
|
},
|
|
/* l.sfgeu $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4600000 }
|
|
},
|
|
/* l.sflts $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe5000000 }
|
|
},
|
|
/* l.sfltu $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4800000 }
|
|
},
|
|
/* l.sfles $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe5200000 }
|
|
},
|
|
/* l.sfleu $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4a00000 }
|
|
},
|
|
/* l.sfgtsi $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb8c00000 }
|
|
},
|
|
/* l.sfgtui $rA,${uimm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
|
|
& ifmt_l_sfgtui, { 0xb8400000 }
|
|
},
|
|
/* l.sfgesi $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb8e00000 }
|
|
},
|
|
/* l.sfgeui $rA,${uimm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
|
|
& ifmt_l_sfgtui, { 0xb8600000 }
|
|
},
|
|
/* l.sfltsi $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb9000000 }
|
|
},
|
|
/* l.sfltui $rA,${uimm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
|
|
& ifmt_l_sfgtui, { 0xb8800000 }
|
|
},
|
|
/* l.sflesi $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb9200000 }
|
|
},
|
|
/* l.sfleui $rA,${uimm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
|
|
& ifmt_l_sfgtui, { 0xb8a00000 }
|
|
},
|
|
/* l.sfeq $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4000000 }
|
|
},
|
|
/* l.sfeqi $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb8000000 }
|
|
},
|
|
/* l.sfne $rA,$rB */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
|
|
& ifmt_l_sfgts, { 0xe4200000 }
|
|
},
|
|
/* l.sfnei $rA,${simm-16} */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
|
|
& ifmt_l_sfgtsi, { 0xb8200000 }
|
|
},
|
|
};
|
|
|
|
#undef A
|
|
#undef OPERAND
|
|
#undef MNEM
|
|
#undef OP
|
|
|
|
/* Formats for ALIAS macro-insns. */
|
|
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
|
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
|
|
#else
|
|
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
|
|
#endif
|
|
static const CGEN_IFMT ifmt_l_ret = {
|
|
32, 32, 0xffffffff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
|
|
};
|
|
|
|
#undef F
|
|
|
|
/* Each non-simple macro entry points to an array of expansion possibilities. */
|
|
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
|
#define A(a) (1 << CGEN_INSN_##a)
|
|
#else
|
|
#define A(a) (1 << CGEN_INSN_/**/a)
|
|
#endif
|
|
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
|
#define OPERAND(op) OPENRISC_OPERAND_##op
|
|
#else
|
|
#define OPERAND(op) OPENRISC_OPERAND_/**/op
|
|
#endif
|
|
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
|
|
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
|
|
|
|
/* The macro instruction table. */
|
|
|
|
static const CGEN_IBASE openrisc_cgen_macro_insn_table[] =
|
|
{
|
|
/* l.ret */
|
|
{
|
|
-1, "l-ret", "l.ret", 32,
|
|
{ 0|A(ALIAS), { (1<<MACH_BASE) } }
|
|
},
|
|
};
|
|
|
|
/* The macro instruction opcode table. */
|
|
|
|
static const CGEN_OPCODE openrisc_cgen_macro_insn_opcode_table[] =
|
|
{
|
|
/* l.ret */
|
|
{
|
|
{ 0, 0, 0, 0 },
|
|
{ { MNEM, 0 } },
|
|
& ifmt_l_ret, { 0x140b0000 }
|
|
},
|
|
};
|
|
|
|
#undef A
|
|
#undef OPERAND
|
|
#undef MNEM
|
|
#undef OP
|
|
|
|
#ifndef CGEN_ASM_HASH_P
|
|
#define CGEN_ASM_HASH_P(insn) 1
|
|
#endif
|
|
|
|
#ifndef CGEN_DIS_HASH_P
|
|
#define CGEN_DIS_HASH_P(insn) 1
|
|
#endif
|
|
|
|
/* Return non-zero if INSN is to be added to the hash table.
|
|
Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file. */
|
|
|
|
static int
|
|
asm_hash_insn_p (insn)
|
|
const CGEN_INSN *insn ATTRIBUTE_UNUSED;
|
|
{
|
|
return CGEN_ASM_HASH_P (insn);
|
|
}
|
|
|
|
static int
|
|
dis_hash_insn_p (insn)
|
|
const CGEN_INSN *insn;
|
|
{
|
|
/* If building the hash table and the NO-DIS attribute is present,
|
|
ignore. */
|
|
if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
|
|
return 0;
|
|
return CGEN_DIS_HASH_P (insn);
|
|
}
|
|
|
|
#ifndef CGEN_ASM_HASH
|
|
#define CGEN_ASM_HASH_SIZE 127
|
|
#ifdef CGEN_MNEMONIC_OPERANDS
|
|
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
|
|
#else
|
|
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
|
|
#endif
|
|
#endif
|
|
|
|
/* It doesn't make much sense to provide a default here,
|
|
but while this is under development we do.
|
|
BUFFER is a pointer to the bytes of the insn, target order.
|
|
VALUE is the first base_insn_bitsize bits as an int in host order. */
|
|
|
|
#ifndef CGEN_DIS_HASH
|
|
#define CGEN_DIS_HASH_SIZE 256
|
|
#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
|
|
#endif
|
|
|
|
/* The result is the hash value of the insn.
|
|
Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file. */
|
|
|
|
static unsigned int
|
|
asm_hash_insn (mnem)
|
|
const char * mnem;
|
|
{
|
|
return CGEN_ASM_HASH (mnem);
|
|
}
|
|
|
|
/* BUF is a pointer to the bytes of the insn, target order.
|
|
VALUE is the first base_insn_bitsize bits as an int in host order. */
|
|
|
|
static unsigned int
|
|
dis_hash_insn (buf, value)
|
|
const char * buf ATTRIBUTE_UNUSED;
|
|
CGEN_INSN_INT value ATTRIBUTE_UNUSED;
|
|
{
|
|
return CGEN_DIS_HASH (buf, value);
|
|
}
|
|
|
|
static void set_fields_bitsize PARAMS ((CGEN_FIELDS *, int));
|
|
|
|
/* Set the recorded length of the insn in the CGEN_FIELDS struct. */
|
|
|
|
static void
|
|
set_fields_bitsize (fields, size)
|
|
CGEN_FIELDS *fields;
|
|
int size;
|
|
{
|
|
CGEN_FIELDS_BITSIZE (fields) = size;
|
|
}
|
|
|
|
/* Function to call before using the operand instance table.
|
|
This plugs the opcode entries and macro instructions into the cpu table. */
|
|
|
|
void
|
|
openrisc_cgen_init_opcode_table (cd)
|
|
CGEN_CPU_DESC cd;
|
|
{
|
|
int i;
|
|
int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
|
|
sizeof (openrisc_cgen_macro_insn_table[0]));
|
|
const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
|
|
const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
|
|
CGEN_INSN *insns = (CGEN_INSN *) xmalloc (num_macros * sizeof (CGEN_INSN));
|
|
memset (insns, 0, num_macros * sizeof (CGEN_INSN));
|
|
for (i = 0; i < num_macros; ++i)
|
|
{
|
|
insns[i].base = &ib[i];
|
|
insns[i].opcode = &oc[i];
|
|
openrisc_cgen_build_insn_regex (& insns[i]);
|
|
}
|
|
cd->macro_insn_table.init_entries = insns;
|
|
cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
|
|
cd->macro_insn_table.num_init_entries = num_macros;
|
|
|
|
oc = & openrisc_cgen_insn_opcode_table[0];
|
|
insns = (CGEN_INSN *) cd->insn_table.init_entries;
|
|
for (i = 0; i < MAX_INSNS; ++i)
|
|
{
|
|
insns[i].opcode = &oc[i];
|
|
openrisc_cgen_build_insn_regex (& insns[i]);
|
|
}
|
|
|
|
cd->sizeof_fields = sizeof (CGEN_FIELDS);
|
|
cd->set_fields_bitsize = set_fields_bitsize;
|
|
|
|
cd->asm_hash_p = asm_hash_insn_p;
|
|
cd->asm_hash = asm_hash_insn;
|
|
cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
|
|
|
|
cd->dis_hash_p = dis_hash_insn_p;
|
|
cd->dis_hash = dis_hash_insn;
|
|
cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
|
|
}
|