sim/m32r/decode.c

   1 /* Simulator instruction decoder for m32r.
   2
   3 This file is machine generated with CGEN.
   4
   5 Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
   6
   7 This file is part of the GNU Simulators.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License along
  20 with this program; if not, write to the Free Software Foundation, Inc.,
  21 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22
  23 */
  24
  25 #define WANT_CPU
  26 #define WANT_CPU_M32R
  27
  28 #include "sim-main.h"
  29 #include "sim-xcat.h"
  30 #include "cpu-sim.h"
  31 #include "cpu-opc.h"
  32
  33 /* FIXME: wip, may eventually only want one form so this would then go
  34    away.  However, in the mean time, having both keeps a stable version
  35    around while the cache version is being developed.
  36    It may still be useful to allow two versions to exist though.  */
  37 #if WITH_SCACHE
  38 #define EX(fn) XCONCAT3 (m32r,_ex_,fn)
  39 #else
  40 #define EX(fn) 0
  41 #endif
  42
  43 #if WITH_SEM_SWITCH_FULL
  44 #define FULL(fn) 0
  45 #else
  46 #define FULL(fn) XCONCAT3 (m32r,_sem_,fn)
  47 #endif
  48
  49 #if WITH_SEM_SWITCH_FAST
  50 #define FAST(fn) 0
  51 #else
  52 #if WITH_SCACHE
  53 #define FAST(fn) XCONCAT3 (m32r,_semc_,fn)
  54 #else
  55 #define FAST(fn) 0
  56 #endif
  57 #endif
  58
  59 /*#define DECODE M32R_DECODE*/
  60
  61 /* The decode_illegal case is currently non-static and the generator doesn't
  62    prepend m32r_, so simplify things by handling it here.  */
  63 #define decode_illegal m32r_decode_illegal
  64
  65 static DECODE decode_add = { M32R_INSN_ADD, & m32r_cgen_insn_table_entries[M32R_INSN_ADD], EX (fmt_0_add), FULL (add), FAST (add) };
  66 static DECODE decode_add3 = { M32R_INSN_ADD3, & m32r_cgen_insn_table_entries[M32R_INSN_ADD3], EX (fmt_1_add3), FULL (add3), FAST (add3) };
  67 static DECODE decode_and = { M32R_INSN_AND, & m32r_cgen_insn_table_entries[M32R_INSN_AND], EX (fmt_0_add), FULL (and), FAST (and) };
  68 static DECODE decode_and3 = { M32R_INSN_AND3, & m32r_cgen_insn_table_entries[M32R_INSN_AND3], EX (fmt_2_and3), FULL (and3), FAST (and3) };
  69 static DECODE decode_or = { M32R_INSN_OR, & m32r_cgen_insn_table_entries[M32R_INSN_OR], EX (fmt_0_add), FULL (or), FAST (or) };
  70 static DECODE decode_or3 = { M32R_INSN_OR3, & m32r_cgen_insn_table_entries[M32R_INSN_OR3], EX (fmt_3_or3), FULL (or3), FAST (or3) };
  71 static DECODE decode_xor = { M32R_INSN_XOR, & m32r_cgen_insn_table_entries[M32R_INSN_XOR], EX (fmt_0_add), FULL (xor), FAST (xor) };
  72 static DECODE decode_xor3 = { M32R_INSN_XOR3, & m32r_cgen_insn_table_entries[M32R_INSN_XOR3], EX (fmt_2_and3), FULL (xor3), FAST (xor3) };
  73 static DECODE decode_addi = { M32R_INSN_ADDI, & m32r_cgen_insn_table_entries[M32R_INSN_ADDI], EX (fmt_4_addi), FULL (addi), FAST (addi) };
  74 static DECODE decode_addv = { M32R_INSN_ADDV, & m32r_cgen_insn_table_entries[M32R_INSN_ADDV], EX (fmt_0_add), FULL (addv), FAST (addv) };
  75 static DECODE decode_addv3 = { M32R_INSN_ADDV3, & m32r_cgen_insn_table_entries[M32R_INSN_ADDV3], EX (fmt_5_addv3), FULL (addv3), FAST (addv3) };
  76 static DECODE decode_addx = { M32R_INSN_ADDX, & m32r_cgen_insn_table_entries[M32R_INSN_ADDX], EX (fmt_6_addx), FULL (addx), FAST (addx) };
  77 static DECODE decode_bc8 = { M32R_INSN_BC8, & m32r_cgen_insn_table_entries[M32R_INSN_BC8], EX (fmt_7_bc8), FULL (bc8), FAST (bc8) };
  78 static DECODE decode_bc24 = { M32R_INSN_BC24, & m32r_cgen_insn_table_entries[M32R_INSN_BC24], EX (fmt_8_bc24), FULL (bc24), FAST (bc24) };
  79 static DECODE decode_beq = { M32R_INSN_BEQ, & m32r_cgen_insn_table_entries[M32R_INSN_BEQ], EX (fmt_9_beq), FULL (beq), FAST (beq) };
  80 static DECODE decode_beqz = { M32R_INSN_BEQZ, & m32r_cgen_insn_table_entries[M32R_INSN_BEQZ], EX (fmt_10_beqz), FULL (beqz), FAST (beqz) };
  81 static DECODE decode_bgez = { M32R_INSN_BGEZ, & m32r_cgen_insn_table_entries[M32R_INSN_BGEZ], EX (fmt_10_beqz), FULL (bgez), FAST (bgez) };
  82 static DECODE decode_bgtz = { M32R_INSN_BGTZ, & m32r_cgen_insn_table_entries[M32R_INSN_BGTZ], EX (fmt_10_beqz), FULL (bgtz), FAST (bgtz) };
  83 static DECODE decode_blez = { M32R_INSN_BLEZ, & m32r_cgen_insn_table_entries[M32R_INSN_BLEZ], EX (fmt_10_beqz), FULL (blez), FAST (blez) };
  84 static DECODE decode_bltz = { M32R_INSN_BLTZ, & m32r_cgen_insn_table_entries[M32R_INSN_BLTZ], EX (fmt_10_beqz), FULL (bltz), FAST (bltz) };
  85 static DECODE decode_bnez = { M32R_INSN_BNEZ, & m32r_cgen_insn_table_entries[M32R_INSN_BNEZ], EX (fmt_10_beqz), FULL (bnez), FAST (bnez) };
  86 static DECODE decode_bl8 = { M32R_INSN_BL8, & m32r_cgen_insn_table_entries[M32R_INSN_BL8], EX (fmt_11_bl8), FULL (bl8), FAST (bl8) };
  87 static DECODE decode_bl24 = { M32R_INSN_BL24, & m32r_cgen_insn_table_entries[M32R_INSN_BL24], EX (fmt_12_bl24), FULL (bl24), FAST (bl24) };
  88 static DECODE decode_bnc8 = { M32R_INSN_BNC8, & m32r_cgen_insn_table_entries[M32R_INSN_BNC8], EX (fmt_7_bc8), FULL (bnc8), FAST (bnc8) };
  89 static DECODE decode_bnc24 = { M32R_INSN_BNC24, & m32r_cgen_insn_table_entries[M32R_INSN_BNC24], EX (fmt_8_bc24), FULL (bnc24), FAST (bnc24) };
  90 static DECODE decode_bne = { M32R_INSN_BNE, & m32r_cgen_insn_table_entries[M32R_INSN_BNE], EX (fmt_9_beq), FULL (bne), FAST (bne) };
  91 static DECODE decode_bra8 = { M32R_INSN_BRA8, & m32r_cgen_insn_table_entries[M32R_INSN_BRA8], EX (fmt_13_bra8), FULL (bra8), FAST (bra8) };
  92 static DECODE decode_bra24 = { M32R_INSN_BRA24, & m32r_cgen_insn_table_entries[M32R_INSN_BRA24], EX (fmt_14_bra24), FULL (bra24), FAST (bra24) };
  93 static DECODE decode_cmp = { M32R_INSN_CMP, & m32r_cgen_insn_table_entries[M32R_INSN_CMP], EX (fmt_15_cmp), FULL (cmp), FAST (cmp) };
  94 static DECODE decode_cmpi = { M32R_INSN_CMPI, & m32r_cgen_insn_table_entries[M32R_INSN_CMPI], EX (fmt_16_cmpi), FULL (cmpi), FAST (cmpi) };
  95 static DECODE decode_cmpu = { M32R_INSN_CMPU, & m32r_cgen_insn_table_entries[M32R_INSN_CMPU], EX (fmt_15_cmp), FULL (cmpu), FAST (cmpu) };
  96 static DECODE decode_cmpui = { M32R_INSN_CMPUI, & m32r_cgen_insn_table_entries[M32R_INSN_CMPUI], EX (fmt_17_cmpui), FULL (cmpui), FAST (cmpui) };
  97 static DECODE decode_div = { M32R_INSN_DIV, & m32r_cgen_insn_table_entries[M32R_INSN_DIV], EX (fmt_18_div), FULL (div), FAST (div) };
  98 static DECODE decode_divu = { M32R_INSN_DIVU, & m32r_cgen_insn_table_entries[M32R_INSN_DIVU], EX (fmt_18_div), FULL (divu), FAST (divu) };
  99 static DECODE decode_rem = { M32R_INSN_REM, & m32r_cgen_insn_table_entries[M32R_INSN_REM], EX (fmt_18_div), FULL (rem), FAST (rem) };
 100 static DECODE decode_remu = { M32R_INSN_REMU, & m32r_cgen_insn_table_entries[M32R_INSN_REMU], EX (fmt_18_div), FULL (remu), FAST (remu) };
 101 static DECODE decode_jl = { M32R_INSN_JL, & m32r_cgen_insn_table_entries[M32R_INSN_JL], EX (fmt_19_jl), FULL (jl), FAST (jl) };
 102 static DECODE decode_jmp = { M32R_INSN_JMP, & m32r_cgen_insn_table_entries[M32R_INSN_JMP], EX (fmt_20_jmp), FULL (jmp), FAST (jmp) };
 103 static DECODE decode_ld = { M32R_INSN_LD, & m32r_cgen_insn_table_entries[M32R_INSN_LD], EX (fmt_21_ld), FULL (ld), FAST (ld) };
 104 static DECODE decode_ld_d = { M32R_INSN_LD_D, & m32r_cgen_insn_table_entries[M32R_INSN_LD_D], EX (fmt_22_ld_d), FULL (ld_d), FAST (ld_d) };
 105 static DECODE decode_ldb = { M32R_INSN_LDB, & m32r_cgen_insn_table_entries[M32R_INSN_LDB], EX (fmt_23_ldb), FULL (ldb), FAST (ldb) };
 106 static DECODE decode_ldb_d = { M32R_INSN_LDB_D, & m32r_cgen_insn_table_entries[M32R_INSN_LDB_D], EX (fmt_24_ldb_d), FULL (ldb_d), FAST (ldb_d) };
 107 static DECODE decode_ldh = { M32R_INSN_LDH, & m32r_cgen_insn_table_entries[M32R_INSN_LDH], EX (fmt_25_ldh), FULL (ldh), FAST (ldh) };
 108 static DECODE decode_ldh_d = { M32R_INSN_LDH_D, & m32r_cgen_insn_table_entries[M32R_INSN_LDH_D], EX (fmt_26_ldh_d), FULL (ldh_d), FAST (ldh_d) };
 109 static DECODE decode_ldub = { M32R_INSN_LDUB, & m32r_cgen_insn_table_entries[M32R_INSN_LDUB], EX (fmt_23_ldb), FULL (ldub), FAST (ldub) };
 110 static DECODE decode_ldub_d = { M32R_INSN_LDUB_D, & m32r_cgen_insn_table_entries[M32R_INSN_LDUB_D], EX (fmt_24_ldb_d), FULL (ldub_d), FAST (ldub_d) };
 111 static DECODE decode_lduh = { M32R_INSN_LDUH, & m32r_cgen_insn_table_entries[M32R_INSN_LDUH], EX (fmt_25_ldh), FULL (lduh), FAST (lduh) };
 112 static DECODE decode_lduh_d = { M32R_INSN_LDUH_D, & m32r_cgen_insn_table_entries[M32R_INSN_LDUH_D], EX (fmt_26_ldh_d), FULL (lduh_d), FAST (lduh_d) };
 113 static DECODE decode_ld_plus = { M32R_INSN_LD_PLUS, & m32r_cgen_insn_table_entries[M32R_INSN_LD_PLUS], EX (fmt_21_ld), FULL (ld_plus), FAST (ld_plus) };
 114 static DECODE decode_ld24 = { M32R_INSN_LD24, & m32r_cgen_insn_table_entries[M32R_INSN_LD24], EX (fmt_27_ld24), FULL (ld24), FAST (ld24) };
 115 static DECODE decode_ldi8 = { M32R_INSN_LDI8, & m32r_cgen_insn_table_entries[M32R_INSN_LDI8], EX (fmt_28_ldi8), FULL (ldi8), FAST (ldi8) };
 116 static DECODE decode_ldi16 = { M32R_INSN_LDI16, & m32r_cgen_insn_table_entries[M32R_INSN_LDI16], EX (fmt_29_ldi16), FULL (ldi16), FAST (ldi16) };
 117 static DECODE decode_lock = { M32R_INSN_LOCK, & m32r_cgen_insn_table_entries[M32R_INSN_LOCK], EX (fmt_0_add), FULL (lock), FAST (lock) };
 118 static DECODE decode_machi = { M32R_INSN_MACHI, & m32r_cgen_insn_table_entries[M32R_INSN_MACHI], EX (fmt_30_machi), FULL (machi), FAST (machi) };
 119 static DECODE decode_maclo = { M32R_INSN_MACLO, & m32r_cgen_insn_table_entries[M32R_INSN_MACLO], EX (fmt_30_machi), FULL (maclo), FAST (maclo) };
 120 static DECODE decode_macwhi = { M32R_INSN_MACWHI, & m32r_cgen_insn_table_entries[M32R_INSN_MACWHI], EX (fmt_30_machi), FULL (macwhi), FAST (macwhi) };
 121 static DECODE decode_macwlo = { M32R_INSN_MACWLO, & m32r_cgen_insn_table_entries[M32R_INSN_MACWLO], EX (fmt_30_machi), FULL (macwlo), FAST (macwlo) };
 122 static DECODE decode_mul = { M32R_INSN_MUL, & m32r_cgen_insn_table_entries[M32R_INSN_MUL], EX (fmt_0_add), FULL (mul), FAST (mul) };
 123 static DECODE decode_mulhi = { M32R_INSN_MULHI, & m32r_cgen_insn_table_entries[M32R_INSN_MULHI], EX (fmt_15_cmp), FULL (mulhi), FAST (mulhi) };
 124 static DECODE decode_mullo = { M32R_INSN_MULLO, & m32r_cgen_insn_table_entries[M32R_INSN_MULLO], EX (fmt_15_cmp), FULL (mullo), FAST (mullo) };
 125 static DECODE decode_mulwhi = { M32R_INSN_MULWHI, & m32r_cgen_insn_table_entries[M32R_INSN_MULWHI], EX (fmt_15_cmp), FULL (mulwhi), FAST (mulwhi) };
 126 static DECODE decode_mulwlo = { M32R_INSN_MULWLO, & m32r_cgen_insn_table_entries[M32R_INSN_MULWLO], EX (fmt_15_cmp), FULL (mulwlo), FAST (mulwlo) };
 127 static DECODE decode_mv = { M32R_INSN_MV, & m32r_cgen_insn_table_entries[M32R_INSN_MV], EX (fmt_31_mv), FULL (mv), FAST (mv) };
 128 static DECODE decode_mvfachi = { M32R_INSN_MVFACHI, & m32r_cgen_insn_table_entries[M32R_INSN_MVFACHI], EX (fmt_32_mvfachi), FULL (mvfachi), FAST (mvfachi) };
 129 static DECODE decode_mvfaclo = { M32R_INSN_MVFACLO, & m32r_cgen_insn_table_entries[M32R_INSN_MVFACLO], EX (fmt_32_mvfachi), FULL (mvfaclo), FAST (mvfaclo) };
 130 static DECODE decode_mvfacmi = { M32R_INSN_MVFACMI, & m32r_cgen_insn_table_entries[M32R_INSN_MVFACMI], EX (fmt_32_mvfachi), FULL (mvfacmi), FAST (mvfacmi) };
 131 static DECODE decode_mvfc = { M32R_INSN_MVFC, & m32r_cgen_insn_table_entries[M32R_INSN_MVFC], EX (fmt_33_mvfc), FULL (mvfc), FAST (mvfc) };
 132 static DECODE decode_mvtachi = { M32R_INSN_MVTACHI, & m32r_cgen_insn_table_entries[M32R_INSN_MVTACHI], EX (fmt_34_mvtachi), FULL (mvtachi), FAST (mvtachi) };
 133 static DECODE decode_mvtaclo = { M32R_INSN_MVTACLO, & m32r_cgen_insn_table_entries[M32R_INSN_MVTACLO], EX (fmt_34_mvtachi), FULL (mvtaclo), FAST (mvtaclo) };
 134 static DECODE decode_mvtc = { M32R_INSN_MVTC, & m32r_cgen_insn_table_entries[M32R_INSN_MVTC], EX (fmt_35_mvtc), FULL (mvtc), FAST (mvtc) };
 135 static DECODE decode_neg = { M32R_INSN_NEG, & m32r_cgen_insn_table_entries[M32R_INSN_NEG], EX (fmt_31_mv), FULL (neg), FAST (neg) };
 136 static DECODE decode_nop = { M32R_INSN_NOP, & m32r_cgen_insn_table_entries[M32R_INSN_NOP], EX (fmt_36_nop), FULL (nop), FAST (nop) };
 137 static DECODE decode_not = { M32R_INSN_NOT, & m32r_cgen_insn_table_entries[M32R_INSN_NOT], EX (fmt_31_mv), FULL (not), FAST (not) };
 138 static DECODE decode_rac = { M32R_INSN_RAC, & m32r_cgen_insn_table_entries[M32R_INSN_RAC], EX (fmt_37_rac), FULL (rac), FAST (rac) };
 139 static DECODE decode_rach = { M32R_INSN_RACH, & m32r_cgen_insn_table_entries[M32R_INSN_RACH], EX (fmt_37_rac), FULL (rach), FAST (rach) };
 140 static DECODE decode_rte = { M32R_INSN_RTE, & m32r_cgen_insn_table_entries[M32R_INSN_RTE], EX (fmt_38_rte), FULL (rte), FAST (rte) };
 141 static DECODE decode_seth = { M32R_INSN_SETH, & m32r_cgen_insn_table_entries[M32R_INSN_SETH], EX (fmt_39_seth), FULL (seth), FAST (seth) };
 142 static DECODE decode_sll = { M32R_INSN_SLL, & m32r_cgen_insn_table_entries[M32R_INSN_SLL], EX (fmt_0_add), FULL (sll), FAST (sll) };
 143 static DECODE decode_sll3 = { M32R_INSN_SLL3, & m32r_cgen_insn_table_entries[M32R_INSN_SLL3], EX (fmt_5_addv3), FULL (sll3), FAST (sll3) };
 144 static DECODE decode_slli = { M32R_INSN_SLLI, & m32r_cgen_insn_table_entries[M32R_INSN_SLLI], EX (fmt_40_slli), FULL (slli), FAST (slli) };
 145 static DECODE decode_sra = { M32R_INSN_SRA, & m32r_cgen_insn_table_entries[M32R_INSN_SRA], EX (fmt_0_add), FULL (sra), FAST (sra) };
 146 static DECODE decode_sra3 = { M32R_INSN_SRA3, & m32r_cgen_insn_table_entries[M32R_INSN_SRA3], EX (fmt_5_addv3), FULL (sra3), FAST (sra3) };
 147 static DECODE decode_srai = { M32R_INSN_SRAI, & m32r_cgen_insn_table_entries[M32R_INSN_SRAI], EX (fmt_40_slli), FULL (srai), FAST (srai) };
 148 static DECODE decode_srl = { M32R_INSN_SRL, & m32r_cgen_insn_table_entries[M32R_INSN_SRL], EX (fmt_0_add), FULL (srl), FAST (srl) };
 149 static DECODE decode_srl3 = { M32R_INSN_SRL3, & m32r_cgen_insn_table_entries[M32R_INSN_SRL3], EX (fmt_5_addv3), FULL (srl3), FAST (srl3) };
 150 static DECODE decode_srli = { M32R_INSN_SRLI, & m32r_cgen_insn_table_entries[M32R_INSN_SRLI], EX (fmt_40_slli), FULL (srli), FAST (srli) };
 151 static DECODE decode_st = { M32R_INSN_ST, & m32r_cgen_insn_table_entries[M32R_INSN_ST], EX (fmt_15_cmp), FULL (st), FAST (st) };
 152 static DECODE decode_st_d = { M32R_INSN_ST_D, & m32r_cgen_insn_table_entries[M32R_INSN_ST_D], EX (fmt_41_st_d), FULL (st_d), FAST (st_d) };
 153 static DECODE decode_stb = { M32R_INSN_STB, & m32r_cgen_insn_table_entries[M32R_INSN_STB], EX (fmt_15_cmp), FULL (stb), FAST (stb) };
 154 static DECODE decode_stb_d = { M32R_INSN_STB_D, & m32r_cgen_insn_table_entries[M32R_INSN_STB_D], EX (fmt_41_st_d), FULL (stb_d), FAST (stb_d) };
 155 static DECODE decode_sth = { M32R_INSN_STH, & m32r_cgen_insn_table_entries[M32R_INSN_STH], EX (fmt_15_cmp), FULL (sth), FAST (sth) };
 156 static DECODE decode_sth_d = { M32R_INSN_STH_D, & m32r_cgen_insn_table_entries[M32R_INSN_STH_D], EX (fmt_41_st_d), FULL (sth_d), FAST (sth_d) };
 157 static DECODE decode_st_plus = { M32R_INSN_ST_PLUS, & m32r_cgen_insn_table_entries[M32R_INSN_ST_PLUS], EX (fmt_15_cmp), FULL (st_plus), FAST (st_plus) };
 158 static DECODE decode_st_minus = { M32R_INSN_ST_MINUS, & m32r_cgen_insn_table_entries[M32R_INSN_ST_MINUS], EX (fmt_15_cmp), FULL (st_minus), FAST (st_minus) };
 159 static DECODE decode_sub = { M32R_INSN_SUB, & m32r_cgen_insn_table_entries[M32R_INSN_SUB], EX (fmt_0_add), FULL (sub), FAST (sub) };
 160 static DECODE decode_subv = { M32R_INSN_SUBV, & m32r_cgen_insn_table_entries[M32R_INSN_SUBV], EX (fmt_0_add), FULL (subv), FAST (subv) };
 161 static DECODE decode_subx = { M32R_INSN_SUBX, & m32r_cgen_insn_table_entries[M32R_INSN_SUBX], EX (fmt_6_addx), FULL (subx), FAST (subx) };
 162 static DECODE decode_trap = { M32R_INSN_TRAP, & m32r_cgen_insn_table_entries[M32R_INSN_TRAP], EX (fmt_42_trap), FULL (trap), FAST (trap) };
 163 static DECODE decode_unlock = { M32R_INSN_UNLOCK, & m32r_cgen_insn_table_entries[M32R_INSN_UNLOCK], EX (fmt_15_cmp), FULL (unlock), FAST (unlock) };
 164 DECODE m32r_decode_illegal = {
 165   M32R_INSN_ILLEGAL, & m32r_cgen_insn_table_entries[0],
 166   EX (illegal), FULL (illegal),
 167   FAST (illegal)
 168 };
 169
 170 /* The order must match that of `labels' in sem-switch.c.  */
 171
 172 DECODE *m32r_decode_vars[] = {
 173   & m32r_decode_illegal,
 174   & decode_add,
 175   & decode_add3,
 176   & decode_and,
 177   & decode_and3,
 178   & decode_or,
 179   & decode_or3,
 180   & decode_xor,
 181   & decode_xor3,
 182   & decode_addi,
 183   & decode_addv,
 184   & decode_addv3,
 185   & decode_addx,
 186   & decode_bc8,
 187   & decode_bc24,
 188   & decode_beq,
 189   & decode_beqz,
 190   & decode_bgez,
 191   & decode_bgtz,
 192   & decode_blez,
 193   & decode_bltz,
 194   & decode_bnez,
 195   & decode_bl8,
 196   & decode_bl24,
 197   & decode_bnc8,
 198   & decode_bnc24,
 199   & decode_bne,
 200   & decode_bra8,
 201   & decode_bra24,
 202   & decode_cmp,
 203   & decode_cmpi,
 204   & decode_cmpu,
 205   & decode_cmpui,
 206   & decode_div,
 207   & decode_divu,
 208   & decode_rem,
 209   & decode_remu,
 210   & decode_jl,
 211   & decode_jmp,
 212   & decode_ld,
 213   & decode_ld_d,
 214   & decode_ldb,
 215   & decode_ldb_d,
 216   & decode_ldh,
 217   & decode_ldh_d,
 218   & decode_ldub,
 219   & decode_ldub_d,
 220   & decode_lduh,
 221   & decode_lduh_d,
 222   & decode_ld_plus,
 223   & decode_ld24,
 224   & decode_ldi8,
 225   & decode_ldi16,
 226   & decode_lock,
 227   & decode_machi,
 228   & decode_maclo,
 229   & decode_macwhi,
 230   & decode_macwlo,
 231   & decode_mul,
 232   & decode_mulhi,
 233   & decode_mullo,
 234   & decode_mulwhi,
 235   & decode_mulwlo,
 236   & decode_mv,
 237   & decode_mvfachi,
 238   & decode_mvfaclo,
 239   & decode_mvfacmi,
 240   & decode_mvfc,
 241   & decode_mvtachi,
 242   & decode_mvtaclo,
 243   & decode_mvtc,
 244   & decode_neg,
 245   & decode_nop,
 246   & decode_not,
 247   & decode_rac,
 248   & decode_rach,
 249   & decode_rte,
 250   & decode_seth,
 251   & decode_sll,
 252   & decode_sll3,
 253   & decode_slli,
 254   & decode_sra,
 255   & decode_sra3,
 256   & decode_srai,
 257   & decode_srl,
 258   & decode_srl3,
 259   & decode_srli,
 260   & decode_st,
 261   & decode_st_d,
 262   & decode_stb,
 263   & decode_stb_d,
 264   & decode_sth,
 265   & decode_sth_d,
 266   & decode_st_plus,
 267   & decode_st_minus,
 268   & decode_sub,
 269   & decode_subv,
 270   & decode_subx,
 271   & decode_trap,
 272   & decode_unlock,
 273   0
 274 };
 275
 276 /* The decoder needs a slightly different computed goto switch control.  */
 277 #ifdef __GNUC__
 278 #define DECODE_SWITCH(N, X) goto *labels_##N[X];
 279 #else
 280 #define DECODE_SWITCH(N, X) switch (X)
 281 #endif
 282
 283 /* Given an instruction, return a pointer to its DECODE entry.  */
 284
 285 DECODE *
 286 m32r_decode (current_cpu, pc, insn)
 287      SIM_CPU *current_cpu;
 288      PCADDR pc;
 289      insn_t insn;
 290 {
 291   {
 292 #ifdef __GNUC__
 293     static void *labels_0[256] = {
 294       && default_0, && default_0, && default_0, && default_0,
 295       && default_0, && default_0, && default_0, && default_0,
 296       && default_0, && default_0, && default_0, && default_0,
 297       && default_0, && default_0, && default_0, && default_0,
 298       && default_0, && default_0, && default_0, && default_0,
 299       && default_0, && default_0, && default_0, && default_0,
 300       && default_0, && default_0, && default_0, && default_0,
 301       && case_0_28, && default_0, && default_0, && default_0,
 302       && default_0, && default_0, && default_0, && default_0,
 303       && default_0, && default_0, && default_0, && default_0,
 304       && default_0, && default_0, && default_0, && default_0,
 305       && default_0, && default_0, && default_0, && default_0,
 306       && default_0, && default_0, && default_0, && default_0,
 307       && default_0, && default_0, && default_0, && default_0,
 308       && default_0, && default_0, && default_0, && default_0,
 309       && default_0, && default_0, && default_0, && default_0,
 310       && default_0, && default_0, && default_0, && default_0,
 311       && default_0, && default_0, && default_0, && default_0,
 312       && default_0, && default_0, && default_0, && default_0,
 313       && default_0, && default_0, && default_0, && default_0,
 314       && default_0, && default_0, && default_0, && default_0,
 315       && default_0, && default_0, && default_0, && case_0_87,
 316       && default_0, && default_0, && default_0, && default_0,
 317       && default_0, && default_0, && default_0, && case_0_95,
 318       && default_0, && default_0, && default_0, && default_0,
 319       && default_0, && default_0, && default_0, && default_0,
 320       && default_0, && default_0, && default_0, && default_0,
 321       && default_0, && default_0, && default_0, && default_0,
 322       && case_0_112, && case_0_113, && case_0_114, && case_0_115,
 323       && case_0_116, && case_0_117, && case_0_118, && case_0_119,
 324       && case_0_120, && case_0_121, && case_0_122, && case_0_123,
 325       && case_0_124, && case_0_125, && case_0_126, && case_0_127,
 326       && default_0, && default_0, && default_0, && default_0,
 327       && default_0, && default_0, && default_0, && default_0,
 328       && default_0, && default_0, && default_0, && default_0,
 329       && default_0, && default_0, && default_0, && default_0,
 330       && default_0, && default_0, && default_0, && default_0,
 331       && default_0, && default_0, && default_0, && default_0,
 332       && default_0, && default_0, && default_0, && default_0,
 333       && default_0, && default_0, && default_0, && default_0,
 334       && default_0, && default_0, && default_0, && default_0,
 335       && default_0, && default_0, && default_0, && default_0,
 336       && default_0, && default_0, && default_0, && default_0,
 337       && default_0, && default_0, && default_0, && default_0,
 338       && default_0, && default_0, && default_0, && default_0,
 339       && default_0, && default_0, && default_0, && default_0,
 340       && default_0, && default_0, && default_0, && default_0,
 341       && default_0, && default_0, && default_0, && default_0,
 342       && default_0, && default_0, && default_0, && default_0,
 343       && default_0, && default_0, && default_0, && default_0,
 344       && default_0, && default_0, && default_0, && default_0,
 345       && default_0, && default_0, && default_0, && default_0,
 346       && default_0, && default_0, && default_0, && default_0,
 347       && default_0, && default_0, && default_0, && default_0,
 348       && default_0, && default_0, && default_0, && default_0,
 349       && default_0, && default_0, && default_0, && default_0,
 350       && default_0, && default_0, && default_0, && default_0,
 351       && default_0, && default_0, && default_0, && default_0,
 352       && default_0, && default_0, && default_0, && default_0,
 353       && default_0, && default_0, && default_0, && default_0,
 354       && case_0_240, && case_0_241, && case_0_242, && case_0_243,
 355       && case_0_244, && case_0_245, && case_0_246, && case_0_247,
 356       && case_0_248, && case_0_249, && case_0_250, && case_0_251,
 357       && case_0_252, && case_0_253, && case_0_254, && case_0_255,
 358     };
 359 #endif
 360     static DECODE *insns[256] = {
 361       &decode_subv, &decode_subx, &decode_sub, &decode_neg,
 362       &decode_cmp, &decode_cmpu, &decode_illegal, &decode_illegal,
 363       &decode_addv, &decode_addx, &decode_add, &decode_not,
 364       &decode_and, &decode_xor, &decode_or, &decode_illegal,
 365       &decode_srl, &decode_illegal, &decode_sra, &decode_illegal,
 366       &decode_sll, &decode_illegal, &decode_mul, &decode_illegal,
 367       &decode_mv, &decode_mvfc, &decode_mvtc, &decode_illegal,
 368       0, &decode_rte, &decode_illegal, &decode_trap,
 369       &decode_stb, &decode_illegal, &decode_sth, &decode_illegal,
 370       &decode_st, &decode_unlock, &decode_st_plus, &decode_st_minus,
 371       &decode_ldb, &decode_ldub, &decode_ldh, &decode_lduh,
 372       &decode_ld, &decode_lock, &decode_ld_plus, &decode_illegal,
 373       &decode_mulhi, &decode_mullo, &decode_mulwhi, &decode_mulwlo,
 374       &decode_machi, &decode_maclo, &decode_macwhi, &decode_macwlo,
 375       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 376       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 377       &decode_addi, &decode_addi, &decode_addi, &decode_addi,
 378       &decode_addi, &decode_addi, &decode_addi, &decode_addi,
 379       &decode_addi, &decode_addi, &decode_addi, &decode_addi,
 380       &decode_addi, &decode_addi, &decode_addi, &decode_addi,
 381       &decode_srli, &decode_srli, &decode_srai, &decode_srai,
 382       &decode_slli, &decode_slli, &decode_illegal, 0,
 383       &decode_rach, &decode_rac, &decode_illegal, &decode_illegal,
 384       &decode_illegal, &decode_illegal, &decode_illegal, 0,
 385       &decode_ldi8, &decode_ldi8, &decode_ldi8, &decode_ldi8,
 386       &decode_ldi8, &decode_ldi8, &decode_ldi8, &decode_ldi8,
 387       &decode_ldi8, &decode_ldi8, &decode_ldi8, &decode_ldi8,
 388       &decode_ldi8, &decode_ldi8, &decode_ldi8, &decode_ldi8,
 389       0, 0, 0, 0,
 390       0, 0, 0, 0,
 391       0, 0, 0, 0,
 392       0, 0, 0, 0,
 393       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 394       &decode_cmpi, &decode_cmpui, &decode_illegal, &decode_illegal,
 395       &decode_addv3, &decode_illegal, &decode_add3, &decode_illegal,
 396       &decode_and3, &decode_xor3, &decode_or3, &decode_illegal,
 397       &decode_div, &decode_divu, &decode_rem, &decode_remu,
 398       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 399       &decode_srl3, &decode_illegal, &decode_sra3, &decode_illegal,
 400       &decode_sll3, &decode_illegal, &decode_illegal, &decode_ldi16,
 401       &decode_stb_d, &decode_illegal, &decode_sth_d, &decode_illegal,
 402       &decode_st_d, &decode_illegal, &decode_illegal, &decode_illegal,
 403       &decode_ldb_d, &decode_ldub_d, &decode_ldh_d, &decode_lduh_d,
 404       &decode_ld_d, &decode_illegal, &decode_illegal, &decode_illegal,
 405       &decode_beq, &decode_bne, &decode_illegal, &decode_illegal,
 406       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 407       &decode_beqz, &decode_bnez, &decode_bltz, &decode_bgez,
 408       &decode_blez, &decode_bgtz, &decode_illegal, &decode_illegal,
 409       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 410       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 411       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 412       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 413       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 414       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 415       &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 416       &decode_seth, &decode_illegal, &decode_illegal, &decode_illegal,
 417       &decode_ld24, &decode_ld24, &decode_ld24, &decode_ld24,
 418       &decode_ld24, &decode_ld24, &decode_ld24, &decode_ld24,
 419       &decode_ld24, &decode_ld24, &decode_ld24, &decode_ld24,
 420       &decode_ld24, &decode_ld24, &decode_ld24, &decode_ld24,
 421       0, 0, 0, 0,
 422       0, 0, 0, 0,
 423       0, 0, 0, 0,
 424       0, 0, 0, 0,
 425     };
 426     unsigned int val;
 427     val = (((insn >> 8) & (15 << 4)) | ((insn >> 4) & (15 << 0)));
 428     DECODE_SWITCH (0, val)
 429       {
 430       CASE (0, 28) :
 431         {
 432           static DECODE *insns[16] = {
 433             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 434             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 435             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 436             &decode_illegal, &decode_illegal, &decode_jl, &decode_jmp,
 437           };
 438           unsigned int val = (((insn >> 8) & (15 << 0)));
 439           return insns[val];
 440         }
 441       CASE (0, 87) :
 442         {
 443           static DECODE *insns[16] = {
 444             &decode_mvtachi, &decode_mvtaclo, &decode_illegal, &decode_illegal,
 445             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 446             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 447             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 448           };
 449           unsigned int val = (((insn >> 0) & (15 << 0)));
 450           return insns[val];
 451         }
 452       CASE (0, 95) :
 453         {
 454           static DECODE *insns[16] = {
 455             &decode_mvfachi, &decode_mvfaclo, &decode_mvfacmi, &decode_illegal,
 456             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 457             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 458             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 459           };
 460           unsigned int val = (((insn >> 0) & (15 << 0)));
 461           return insns[val];
 462         }
 463       CASE (0, 112) :
 464         {
 465           static DECODE *insns[16] = {
 466             &decode_nop, &decode_illegal, &decode_illegal, &decode_illegal,
 467             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 468             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 469             &decode_bc8, &decode_bnc8, &decode_bl8, &decode_bra8,
 470           };
 471           unsigned int val = (((insn >> 8) & (15 << 0)));
 472           return insns[val];
 473         }
 474       CASE (0, 113) : /* fall through */
 475       CASE (0, 114) : /* fall through */
 476       CASE (0, 115) : /* fall through */
 477       CASE (0, 116) : /* fall through */
 478       CASE (0, 117) : /* fall through */
 479       CASE (0, 118) : /* fall through */
 480       CASE (0, 119) : /* fall through */
 481       CASE (0, 120) : /* fall through */
 482       CASE (0, 121) : /* fall through */
 483       CASE (0, 122) : /* fall through */
 484       CASE (0, 123) : /* fall through */
 485       CASE (0, 124) : /* fall through */
 486       CASE (0, 125) : /* fall through */
 487       CASE (0, 126) : /* fall through */
 488       CASE (0, 127) :
 489         {
 490           static DECODE *insns[16] = {
 491             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 492             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 493             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 494             &decode_bc8, &decode_bnc8, &decode_bl8, &decode_bra8,
 495           };
 496           unsigned int val = (((insn >> 8) & (15 << 0)));
 497           return insns[val];
 498         }
 499       CASE (0, 240) : /* fall through */
 500       CASE (0, 241) : /* fall through */
 501       CASE (0, 242) : /* fall through */
 502       CASE (0, 243) : /* fall through */
 503       CASE (0, 244) : /* fall through */
 504       CASE (0, 245) : /* fall through */
 505       CASE (0, 246) : /* fall through */
 506       CASE (0, 247) : /* fall through */
 507       CASE (0, 248) : /* fall through */
 508       CASE (0, 249) : /* fall through */
 509       CASE (0, 250) : /* fall through */
 510       CASE (0, 251) : /* fall through */
 511       CASE (0, 252) : /* fall through */
 512       CASE (0, 253) : /* fall through */
 513       CASE (0, 254) : /* fall through */
 514       CASE (0, 255) :
 515         {
 516           static DECODE *insns[16] = {
 517             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 518             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 519             &decode_illegal, &decode_illegal, &decode_illegal, &decode_illegal,
 520             &decode_bc24, &decode_bnc24, &decode_bl24, &decode_bra24,
 521           };
 522           unsigned int val = (((insn >> 8) & (15 << 0)));
 523           return insns[val];
 524         }
 525       DEFAULT (0) : return insns[val];
 526       }
 527     ENDSWITCH (0)
 528   }
 529 }