opcodes/xstormy16-desc.c

   1 /* CPU data for xstormy16.
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN.
   4
   5 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   6
   7 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   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 #include "sysdep.h"
  26 #include <stdio.h>
  27 #include <stdarg.h>
  28 #include "ansidecl.h"
  29 #include "bfd.h"
  30 #include "symcat.h"
  31 #include "xstormy16-desc.h"
  32 #include "xstormy16-opc.h"
  33 #include "opintl.h"
  34 #include "libiberty.h"
  35 #include "xregex.h"
  36
  37 /* Attributes.  */
  38
  39 static const CGEN_ATTR_ENTRY bool_attr[] =
  40 {
  41   { "#f", 0 },
  42   { "#t", 1 },
  43   { 0, 0 }
  44 };
  45
  46 static const CGEN_ATTR_ENTRY MACH_attr[] =
  47 {
  48   { "base", MACH_BASE },
  49   { "xstormy16", MACH_XSTORMY16 },
  50   { "max", MACH_MAX },
  51   { 0, 0 }
  52 };
  53
  54 static const CGEN_ATTR_ENTRY ISA_attr[] =
  55 {
  56   { "xstormy16", ISA_XSTORMY16 },
  57   { "max", ISA_MAX },
  58   { 0, 0 }
  59 };
  60
  61 const CGEN_ATTR_TABLE xstormy16_cgen_ifield_attr_table[] =
  62 {
  63   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  64   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  65   { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
  66   { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
  67   { "RESERVED", &bool_attr[0], &bool_attr[0] },
  68   { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
  69   { "SIGNED", &bool_attr[0], &bool_attr[0] },
  70   { 0, 0, 0 }
  71 };
  72
  73 const CGEN_ATTR_TABLE xstormy16_cgen_hardware_attr_table[] =
  74 {
  75   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  76   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  77   { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
  78   { "PC", &bool_attr[0], &bool_attr[0] },
  79   { "PROFILE", &bool_attr[0], &bool_attr[0] },
  80   { 0, 0, 0 }
  81 };
  82
  83 const CGEN_ATTR_TABLE xstormy16_cgen_operand_attr_table[] =
  84 {
  85   { "MACH", & MACH_attr[0], & MACH_attr[0] },
  86   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
  87   { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
  88   { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
  89   { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
  90   { "SIGNED", &bool_attr[0], &bool_attr[0] },
  91   { "NEGATIVE", &bool_attr[0], &bool_attr[0] },
  92   { "RELAX", &bool_attr[0], &bool_attr[0] },
  93   { "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
  94   { 0, 0, 0 }
  95 };
  96
  97 const CGEN_ATTR_TABLE xstormy16_cgen_insn_attr_table[] =
  98 {
  99   { "MACH", & MACH_attr[0], & MACH_attr[0] },
 100   { "ALIAS", &bool_attr[0], &bool_attr[0] },
 101   { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
 102   { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
 103   { "COND-CTI", &bool_attr[0], &bool_attr[0] },
 104   { "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
 105   { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
 106   { "RELAXABLE", &bool_attr[0], &bool_attr[0] },
 107   { "RELAXED", &bool_attr[0], &bool_attr[0] },
 108   { "NO-DIS", &bool_attr[0], &bool_attr[0] },
 109   { "PBB", &bool_attr[0], &bool_attr[0] },
 110   { 0, 0, 0 }
 111 };
 112
 113 /* Instruction set variants.  */
 114
 115 static const CGEN_ISA xstormy16_cgen_isa_table[] = {
 116   { "xstormy16", 32, 32, 16, 32 },
 117   { 0, 0, 0, 0, 0 }
 118 };
 119
 120 /* Machine variants.  */
 121
 122 static const CGEN_MACH xstormy16_cgen_mach_table[] = {
 123   { "xstormy16", "xstormy16", MACH_XSTORMY16, 16 },
 124   { 0, 0, 0, 0 }
 125 };
 126
 127 static CGEN_KEYWORD_ENTRY xstormy16_cgen_opval_gr_names_entries[] =
 128 {
 129   { "r0", 0, {0, {0}}, 0, 0 },
 130   { "r1", 1, {0, {0}}, 0, 0 },
 131   { "r2", 2, {0, {0}}, 0, 0 },
 132   { "r3", 3, {0, {0}}, 0, 0 },
 133   { "r4", 4, {0, {0}}, 0, 0 },
 134   { "r5", 5, {0, {0}}, 0, 0 },
 135   { "r6", 6, {0, {0}}, 0, 0 },
 136   { "r7", 7, {0, {0}}, 0, 0 },
 137   { "r8", 8, {0, {0}}, 0, 0 },
 138   { "r9", 9, {0, {0}}, 0, 0 },
 139   { "r10", 10, {0, {0}}, 0, 0 },
 140   { "r11", 11, {0, {0}}, 0, 0 },
 141   { "r12", 12, {0, {0}}, 0, 0 },
 142   { "r13", 13, {0, {0}}, 0, 0 },
 143   { "r14", 14, {0, {0}}, 0, 0 },
 144   { "r15", 15, {0, {0}}, 0, 0 },
 145   { "psw", 14, {0, {0}}, 0, 0 },
 146   { "sp", 15, {0, {0}}, 0, 0 }
 147 };
 148
 149 CGEN_KEYWORD xstormy16_cgen_opval_gr_names =
 150 {
 151   & xstormy16_cgen_opval_gr_names_entries[0],
 152   18,
 153   0, 0, 0, 0, ""
 154 };
 155
 156 static CGEN_KEYWORD_ENTRY xstormy16_cgen_opval_gr_Rb_names_entries[] =
 157 {
 158   { "r8", 0, {0, {0}}, 0, 0 },
 159   { "r9", 1, {0, {0}}, 0, 0 },
 160   { "r10", 2, {0, {0}}, 0, 0 },
 161   { "r11", 3, {0, {0}}, 0, 0 },
 162   { "r12", 4, {0, {0}}, 0, 0 },
 163   { "r13", 5, {0, {0}}, 0, 0 },
 164   { "r14", 6, {0, {0}}, 0, 0 },
 165   { "r15", 7, {0, {0}}, 0, 0 },
 166   { "psw", 6, {0, {0}}, 0, 0 },
 167   { "sp", 7, {0, {0}}, 0, 0 }
 168 };
 169
 170 CGEN_KEYWORD xstormy16_cgen_opval_gr_Rb_names =
 171 {
 172   & xstormy16_cgen_opval_gr_Rb_names_entries[0],
 173   10,
 174   0, 0, 0, 0, ""
 175 };
 176
 177 static CGEN_KEYWORD_ENTRY xstormy16_cgen_opval_h_branchcond_entries[] =
 178 {
 179   { "ge", 0, {0, {0}}, 0, 0 },
 180   { "nc", 1, {0, {0}}, 0, 0 },
 181   { "lt", 2, {0, {0}}, 0, 0 },
 182   { "c", 3, {0, {0}}, 0, 0 },
 183   { "gt", 4, {0, {0}}, 0, 0 },
 184   { "hi", 5, {0, {0}}, 0, 0 },
 185   { "le", 6, {0, {0}}, 0, 0 },
 186   { "ls", 7, {0, {0}}, 0, 0 },
 187   { "pl", 8, {0, {0}}, 0, 0 },
 188   { "nv", 9, {0, {0}}, 0, 0 },
 189   { "mi", 10, {0, {0}}, 0, 0 },
 190   { "v", 11, {0, {0}}, 0, 0 },
 191   { "nz.b", 12, {0, {0}}, 0, 0 },
 192   { "nz", 13, {0, {0}}, 0, 0 },
 193   { "z.b", 14, {0, {0}}, 0, 0 },
 194   { "z", 15, {0, {0}}, 0, 0 }
 195 };
 196
 197 CGEN_KEYWORD xstormy16_cgen_opval_h_branchcond =
 198 {
 199   & xstormy16_cgen_opval_h_branchcond_entries[0],
 200   16,
 201   0, 0, 0, 0, ""
 202 };
 203
 204 static CGEN_KEYWORD_ENTRY xstormy16_cgen_opval_h_wordsize_entries[] =
 205 {
 206   { ".b", 0, {0, {0}}, 0, 0 },
 207   { ".w", 1, {0, {0}}, 0, 0 },
 208   { "", 1, {0, {0}}, 0, 0 }
 209 };
 210
 211 CGEN_KEYWORD xstormy16_cgen_opval_h_wordsize =
 212 {
 213   & xstormy16_cgen_opval_h_wordsize_entries[0],
 214   3,
 215   0, 0, 0, 0, ""
 216 };
 217
 218
 219 /* The hardware table.  */
 220
 221 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 222 #define A(a) (1 << CGEN_HW_##a)
 223 #else
 224 #define A(a) (1 << CGEN_HW_/**/a)
 225 #endif
 226
 227 const CGEN_HW_ENTRY xstormy16_cgen_hw_table[] =
 228 {
 229   { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 230   { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 231   { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 232   { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 233   { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
 234   { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PC), { (1<<MACH_BASE) } } },
 235   { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & xstormy16_cgen_opval_gr_names, { 0, { (1<<MACH_BASE) } } },
 236   { "h-Rb", HW_H_RB, CGEN_ASM_KEYWORD, (PTR) & xstormy16_cgen_opval_gr_Rb_names, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 237   { "h-Rbj", HW_H_RBJ, CGEN_ASM_KEYWORD, (PTR) & xstormy16_cgen_opval_gr_Rb_names, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 238   { "h-Rpsw", HW_H_RPSW, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 239   { "h-z8", HW_H_Z8, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 240   { "h-z16", HW_H_Z16, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 241   { "h-cy", HW_H_CY, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 242   { "h-hc", HW_H_HC, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 243   { "h-ov", HW_H_OV, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 244   { "h-pt", HW_H_PT, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 245   { "h-s", HW_H_S, CGEN_ASM_NONE, 0, { 0|A(VIRTUAL), { (1<<MACH_BASE) } } },
 246   { "h-branchcond", HW_H_BRANCHCOND, CGEN_ASM_KEYWORD, (PTR) & xstormy16_cgen_opval_h_branchcond, { 0, { (1<<MACH_BASE) } } },
 247   { "h-wordsize", HW_H_WORDSIZE, CGEN_ASM_KEYWORD, (PTR) & xstormy16_cgen_opval_h_wordsize, { 0, { (1<<MACH_BASE) } } },
 248   { 0, 0, CGEN_ASM_NONE, 0, {0, {0}} }
 249 };
 250
 251 #undef A
 252
 253
 254 /* The instruction field table.  */
 255
 256 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 257 #define A(a) (1 << CGEN_IFLD_##a)
 258 #else
 259 #define A(a) (1 << CGEN_IFLD_/**/a)
 260 #endif
 261
 262 const CGEN_IFLD xstormy16_cgen_ifld_table[] =
 263 {
 264   { XSTORMY16_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
 265   { XSTORMY16_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
 266   { XSTORMY16_F_RD, "f-Rd", 0, 32, 12, 4, { 0, { (1<<MACH_BASE) } }  },
 267   { XSTORMY16_F_RDM, "f-Rdm", 0, 32, 13, 3, { 0, { (1<<MACH_BASE) } }  },
 268   { XSTORMY16_F_RM, "f-Rm", 0, 32, 4, 3, { 0, { (1<<MACH_BASE) } }  },
 269   { XSTORMY16_F_RS, "f-Rs", 0, 32, 8, 4, { 0, { (1<<MACH_BASE) } }  },
 270   { XSTORMY16_F_RB, "f-Rb", 0, 32, 17, 3, { 0, { (1<<MACH_BASE) } }  },
 271   { XSTORMY16_F_RBJ, "f-Rbj", 0, 32, 11, 1, { 0, { (1<<MACH_BASE) } }  },
 272   { XSTORMY16_F_OP1, "f-op1", 0, 32, 0, 4, { 0, { (1<<MACH_BASE) } }  },
 273   { XSTORMY16_F_OP2, "f-op2", 0, 32, 4, 4, { 0, { (1<<MACH_BASE) } }  },
 274   { XSTORMY16_F_OP2A, "f-op2a", 0, 32, 4, 3, { 0, { (1<<MACH_BASE) } }  },
 275   { XSTORMY16_F_OP2M, "f-op2m", 0, 32, 7, 1, { 0, { (1<<MACH_BASE) } }  },
 276   { XSTORMY16_F_OP3, "f-op3", 0, 32, 8, 4, { 0, { (1<<MACH_BASE) } }  },
 277   { XSTORMY16_F_OP3A, "f-op3a", 0, 32, 8, 2, { 0, { (1<<MACH_BASE) } }  },
 278   { XSTORMY16_F_OP3B, "f-op3b", 0, 32, 8, 3, { 0, { (1<<MACH_BASE) } }  },
 279   { XSTORMY16_F_OP4, "f-op4", 0, 32, 12, 4, { 0, { (1<<MACH_BASE) } }  },
 280   { XSTORMY16_F_OP4M, "f-op4m", 0, 32, 12, 1, { 0, { (1<<MACH_BASE) } }  },
 281   { XSTORMY16_F_OP4B, "f-op4b", 0, 32, 15, 1, { 0, { (1<<MACH_BASE) } }  },
 282   { XSTORMY16_F_OP5, "f-op5", 0, 32, 16, 4, { 0, { (1<<MACH_BASE) } }  },
 283   { XSTORMY16_F_OP5A, "f-op5a", 0, 32, 16, 1, { 0, { (1<<MACH_BASE) } }  },
 284   { XSTORMY16_F_OP, "f-op", 0, 32, 0, 16, { 0, { (1<<MACH_BASE) } }  },
 285   { XSTORMY16_F_IMM2, "f-imm2", 0, 32, 10, 2, { 0, { (1<<MACH_BASE) } }  },
 286   { XSTORMY16_F_IMM3, "f-imm3", 0, 32, 4, 3, { 0, { (1<<MACH_BASE) } }  },
 287   { XSTORMY16_F_IMM3B, "f-imm3b", 0, 32, 17, 3, { 0, { (1<<MACH_BASE) } }  },
 288   { XSTORMY16_F_IMM4, "f-imm4", 0, 32, 8, 4, { 0, { (1<<MACH_BASE) } }  },
 289   { XSTORMY16_F_IMM8, "f-imm8", 0, 32, 8, 8, { 0, { (1<<MACH_BASE) } }  },
 290   { XSTORMY16_F_IMM12, "f-imm12", 0, 32, 20, 12, { 0, { (1<<MACH_BASE) } }  },
 291   { XSTORMY16_F_IMM16, "f-imm16", 0, 32, 16, 16, { 0|A(SIGN_OPT), { (1<<MACH_BASE) } }  },
 292   { XSTORMY16_F_LMEM8, "f-lmem8", 0, 32, 8, 8, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 293   { XSTORMY16_F_HMEM8, "f-hmem8", 0, 32, 8, 8, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 294   { XSTORMY16_F_REL8_2, "f-rel8-2", 0, 32, 8, 8, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 295   { XSTORMY16_F_REL8_4, "f-rel8-4", 0, 32, 8, 8, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 296   { XSTORMY16_F_REL12, "f-rel12", 0, 32, 20, 12, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 297   { XSTORMY16_F_REL12A, "f-rel12a", 0, 32, 4, 11, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 298   { XSTORMY16_F_ABS24_1, "f-abs24-1", 0, 32, 8, 8, { 0, { (1<<MACH_BASE) } }  },
 299   { XSTORMY16_F_ABS24_2, "f-abs24-2", 0, 32, 16, 16, { 0, { (1<<MACH_BASE) } }  },
 300   { XSTORMY16_F_ABS24, "f-abs24", 0, 0, 0, 0,{ 0|A(ABS_ADDR)|A(VIRTUAL), { (1<<MACH_BASE) } }  },
 301   { 0, 0, 0, 0, 0, 0, {0, {0}} }
 302 };
 303
 304 #undef A
 305
 306
 307
 308 /* multi ifield declarations */
 309
 310 const CGEN_MAYBE_MULTI_IFLD XSTORMY16_F_ABS24_MULTI_IFIELD [];
 311
 312
 313 /* multi ifield definitions */
 314
 315 const CGEN_MAYBE_MULTI_IFLD XSTORMY16_F_ABS24_MULTI_IFIELD [] =
 316 {
 317     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_ABS24_1] } },
 318     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_ABS24_2] } },
 319     { 0, { (const PTR) 0 } }
 320 };
 321
 322 /* The operand table.  */
 323
 324 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 325 #define A(a) (1 << CGEN_OPERAND_##a)
 326 #else
 327 #define A(a) (1 << CGEN_OPERAND_/**/a)
 328 #endif
 329 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 330 #define OPERAND(op) XSTORMY16_OPERAND_##op
 331 #else
 332 #define OPERAND(op) XSTORMY16_OPERAND_/**/op
 333 #endif
 334
 335 const CGEN_OPERAND xstormy16_cgen_operand_table[] =
 336 {
 337 /* pc: program counter */
 338   { "pc", XSTORMY16_OPERAND_PC, HW_H_PC, 0, 0,
 339     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_NIL] } },
 340     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 341 /* psw-z8:  */
 342   { "psw-z8", XSTORMY16_OPERAND_PSW_Z8, HW_H_Z8, 0, 0,
 343     { 0, { (const PTR) 0 } },
 344     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 345 /* psw-z16:  */
 346   { "psw-z16", XSTORMY16_OPERAND_PSW_Z16, HW_H_Z16, 0, 0,
 347     { 0, { (const PTR) 0 } },
 348     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 349 /* psw-cy:  */
 350   { "psw-cy", XSTORMY16_OPERAND_PSW_CY, HW_H_CY, 0, 0,
 351     { 0, { (const PTR) 0 } },
 352     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 353 /* psw-hc:  */
 354   { "psw-hc", XSTORMY16_OPERAND_PSW_HC, HW_H_HC, 0, 0,
 355     { 0, { (const PTR) 0 } },
 356     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 357 /* psw-ov:  */
 358   { "psw-ov", XSTORMY16_OPERAND_PSW_OV, HW_H_OV, 0, 0,
 359     { 0, { (const PTR) 0 } },
 360     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 361 /* psw-pt:  */
 362   { "psw-pt", XSTORMY16_OPERAND_PSW_PT, HW_H_PT, 0, 0,
 363     { 0, { (const PTR) 0 } },
 364     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 365 /* psw-s:  */
 366   { "psw-s", XSTORMY16_OPERAND_PSW_S, HW_H_S, 0, 0,
 367     { 0, { (const PTR) 0 } },
 368     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 369 /* Rd: general register destination */
 370   { "Rd", XSTORMY16_OPERAND_RD, HW_H_GR, 12, 4,
 371     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RD] } },
 372     { 0, { (1<<MACH_BASE) } }  },
 373 /* Rdm: general register destination */
 374   { "Rdm", XSTORMY16_OPERAND_RDM, HW_H_GR, 13, 3,
 375     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RDM] } },
 376     { 0, { (1<<MACH_BASE) } }  },
 377 /* Rm: general register for memory */
 378   { "Rm", XSTORMY16_OPERAND_RM, HW_H_GR, 4, 3,
 379     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RM] } },
 380     { 0, { (1<<MACH_BASE) } }  },
 381 /* Rs: general register source */
 382   { "Rs", XSTORMY16_OPERAND_RS, HW_H_GR, 8, 4,
 383     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RS] } },
 384     { 0, { (1<<MACH_BASE) } }  },
 385 /* Rb: base register */
 386   { "Rb", XSTORMY16_OPERAND_RB, HW_H_RB, 17, 3,
 387     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RB] } },
 388     { 0, { (1<<MACH_BASE) } }  },
 389 /* Rbj: base register for jump */
 390   { "Rbj", XSTORMY16_OPERAND_RBJ, HW_H_RBJ, 11, 1,
 391     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_RBJ] } },
 392     { 0, { (1<<MACH_BASE) } }  },
 393 /* bcond2: branch condition opcode */
 394   { "bcond2", XSTORMY16_OPERAND_BCOND2, HW_H_BRANCHCOND, 4, 4,
 395     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_OP2] } },
 396     { 0, { (1<<MACH_BASE) } }  },
 397 /* ws2: word size opcode */
 398   { "ws2", XSTORMY16_OPERAND_WS2, HW_H_WORDSIZE, 7, 1,
 399     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_OP2M] } },
 400     { 0, { (1<<MACH_BASE) } }  },
 401 /* bcond5: branch condition opcode */
 402   { "bcond5", XSTORMY16_OPERAND_BCOND5, HW_H_BRANCHCOND, 16, 4,
 403     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_OP5] } },
 404     { 0, { (1<<MACH_BASE) } }  },
 405 /* imm2: 2 bit unsigned immediate */
 406   { "imm2", XSTORMY16_OPERAND_IMM2, HW_H_UINT, 10, 2,
 407     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM2] } },
 408     { 0, { (1<<MACH_BASE) } }  },
 409 /* imm3: 3 bit unsigned immediate */
 410   { "imm3", XSTORMY16_OPERAND_IMM3, HW_H_UINT, 4, 3,
 411     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM3] } },
 412     { 0, { (1<<MACH_BASE) } }  },
 413 /* imm3b: 3 bit unsigned immediate for bit tests */
 414   { "imm3b", XSTORMY16_OPERAND_IMM3B, HW_H_UINT, 17, 3,
 415     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM3B] } },
 416     { 0, { (1<<MACH_BASE) } }  },
 417 /* imm4: 4 bit unsigned immediate */
 418   { "imm4", XSTORMY16_OPERAND_IMM4, HW_H_UINT, 8, 4,
 419     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM4] } },
 420     { 0, { (1<<MACH_BASE) } }  },
 421 /* imm8: 8 bit unsigned immediate */
 422   { "imm8", XSTORMY16_OPERAND_IMM8, HW_H_UINT, 8, 8,
 423     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM8] } },
 424     { 0, { (1<<MACH_BASE) } }  },
 425 /* imm8small: 8 bit unsigned immediate */
 426   { "imm8small", XSTORMY16_OPERAND_IMM8SMALL, HW_H_UINT, 8, 8,
 427     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM8] } },
 428     { 0, { (1<<MACH_BASE) } }  },
 429 /* imm12: 12 bit signed immediate */
 430   { "imm12", XSTORMY16_OPERAND_IMM12, HW_H_SINT, 20, 12,
 431     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM12] } },
 432     { 0, { (1<<MACH_BASE) } }  },
 433 /* imm16: 16 bit immediate */
 434   { "imm16", XSTORMY16_OPERAND_IMM16, HW_H_UINT, 16, 16,
 435     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_IMM16] } },
 436     { 0|A(SIGN_OPT), { (1<<MACH_BASE) } }  },
 437 /* lmem8: 8 bit unsigned immediate low memory */
 438   { "lmem8", XSTORMY16_OPERAND_LMEM8, HW_H_UINT, 8, 8,
 439     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_LMEM8] } },
 440     { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 441 /* hmem8: 8 bit unsigned immediate high memory */
 442   { "hmem8", XSTORMY16_OPERAND_HMEM8, HW_H_UINT, 8, 8,
 443     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_HMEM8] } },
 444     { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
 445 /* rel8-2: 8 bit relative address */
 446   { "rel8-2", XSTORMY16_OPERAND_REL8_2, HW_H_UINT, 8, 8,
 447     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_REL8_2] } },
 448     { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 449 /* rel8-4: 8 bit relative address */
 450   { "rel8-4", XSTORMY16_OPERAND_REL8_4, HW_H_UINT, 8, 8,
 451     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_REL8_4] } },
 452     { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 453 /* rel12: 12 bit relative address */
 454   { "rel12", XSTORMY16_OPERAND_REL12, HW_H_UINT, 20, 12,
 455     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_REL12] } },
 456     { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 457 /* rel12a: 12 bit relative address */
 458   { "rel12a", XSTORMY16_OPERAND_REL12A, HW_H_UINT, 4, 11,
 459     { 0, { (const PTR) &xstormy16_cgen_ifld_table[XSTORMY16_F_REL12A] } },
 460     { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
 461 /* abs24: 24 bit absolute address */
 462   { "abs24", XSTORMY16_OPERAND_ABS24, HW_H_UINT, 8, 24,
 463     { 2, { (const PTR) &XSTORMY16_F_ABS24_MULTI_IFIELD[0] } },
 464     { 0|A(ABS_ADDR)|A(VIRTUAL), { (1<<MACH_BASE) } }  },
 465 /* psw: program status word */
 466   { "psw", XSTORMY16_OPERAND_PSW, HW_H_GR, 0, 0,
 467     { 0, { (const PTR) 0 } },
 468     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 469 /* Rpsw: N0-N3 of the program status word */
 470   { "Rpsw", XSTORMY16_OPERAND_RPSW, HW_H_RPSW, 0, 0,
 471     { 0, { (const PTR) 0 } },
 472     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 473 /* sp: stack pointer */
 474   { "sp", XSTORMY16_OPERAND_SP, HW_H_GR, 0, 0,
 475     { 0, { (const PTR) 0 } },
 476     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 477 /* R0: R0 */
 478   { "R0", XSTORMY16_OPERAND_R0, HW_H_GR, 0, 0,
 479     { 0, { (const PTR) 0 } },
 480     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 481 /* R1: R1 */
 482   { "R1", XSTORMY16_OPERAND_R1, HW_H_GR, 0, 0,
 483     { 0, { (const PTR) 0 } },
 484     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 485 /* R2: R2 */
 486   { "R2", XSTORMY16_OPERAND_R2, HW_H_GR, 0, 0,
 487     { 0, { (const PTR) 0 } },
 488     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 489 /* R8: R8 */
 490   { "R8", XSTORMY16_OPERAND_R8, HW_H_GR, 0, 0,
 491     { 0, { (const PTR) 0 } },
 492     { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
 493 /* sentinel */
 494   { 0, 0, 0, 0, 0,
 495     { 0, { (const PTR) 0 } },
 496     { 0, { 0 } } }
 497 };
 498
 499 #undef A
 500
 501
 502 /* The instruction table.  */
 503
 504 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 505 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 506 #define A(a) (1 << CGEN_INSN_##a)
 507 #else
 508 #define A(a) (1 << CGEN_INSN_/**/a)
 509 #endif
 510
 511 static const CGEN_IBASE xstormy16_cgen_insn_table[MAX_INSNS] =
 512 {
 513   /* Special null first entry.
 514      A `num' value of zero is thus invalid.
 515      Also, the special `invalid' insn resides here.  */
 516   { 0, 0, 0, 0, {0, {0}} },
 517 /* mov$ws2 $lmem8,#$imm16 */
 518   {
 519     XSTORMY16_INSN_MOVLMEMIMM, "movlmemimm", "mov", 32,
 520     { 0, { (1<<MACH_BASE) } }
 521   },
 522 /* mov$ws2 $hmem8,#$imm16 */
 523   {
 524     XSTORMY16_INSN_MOVHMEMIMM, "movhmemimm", "mov", 32,
 525     { 0, { (1<<MACH_BASE) } }
 526   },
 527 /* mov$ws2 $Rm,$lmem8 */
 528   {
 529     XSTORMY16_INSN_MOVLGRMEM, "movlgrmem", "mov", 16,
 530     { 0, { (1<<MACH_BASE) } }
 531   },
 532 /* mov$ws2 $Rm,$hmem8 */
 533   {
 534     XSTORMY16_INSN_MOVHGRMEM, "movhgrmem", "mov", 16,
 535     { 0, { (1<<MACH_BASE) } }
 536   },
 537 /* mov$ws2 $lmem8,$Rm */
 538   {
 539     XSTORMY16_INSN_MOVLMEMGR, "movlmemgr", "mov", 16,
 540     { 0, { (1<<MACH_BASE) } }
 541   },
 542 /* mov$ws2 $hmem8,$Rm */
 543   {
 544     XSTORMY16_INSN_MOVHMEMGR, "movhmemgr", "mov", 16,
 545     { 0, { (1<<MACH_BASE) } }
 546   },
 547 /* mov$ws2 $Rdm,($Rs) */
 548   {
 549     XSTORMY16_INSN_MOVGRGRI, "movgrgri", "mov", 16,
 550     { 0, { (1<<MACH_BASE) } }
 551   },
 552 /* mov$ws2 $Rdm,($Rs++) */
 553   {
 554     XSTORMY16_INSN_MOVGRGRIPOSTINC, "movgrgripostinc", "mov", 16,
 555     { 0, { (1<<MACH_BASE) } }
 556   },
 557 /* mov$ws2 $Rdm,(--$Rs) */
 558   {
 559     XSTORMY16_INSN_MOVGRGRIPREDEC, "movgrgripredec", "mov", 16,
 560     { 0, { (1<<MACH_BASE) } }
 561   },
 562 /* mov$ws2 ($Rs),$Rdm */
 563   {
 564     XSTORMY16_INSN_MOVGRIGR, "movgrigr", "mov", 16,
 565     { 0, { (1<<MACH_BASE) } }
 566   },
 567 /* mov$ws2 ($Rs++),$Rdm */
 568   {
 569     XSTORMY16_INSN_MOVGRIPOSTINCGR, "movgripostincgr", "mov", 16,
 570     { 0, { (1<<MACH_BASE) } }
 571   },
 572 /* mov$ws2 (--$Rs),$Rdm */
 573   {
 574     XSTORMY16_INSN_MOVGRIPREDECGR, "movgripredecgr", "mov", 16,
 575     { 0, { (1<<MACH_BASE) } }
 576   },
 577 /* mov$ws2 $Rdm,($Rs,$imm12) */
 578   {
 579     XSTORMY16_INSN_MOVGRGRII, "movgrgrii", "mov", 32,
 580     { 0, { (1<<MACH_BASE) } }
 581   },
 582 /* mov$ws2 $Rdm,($Rs++,$imm12) */
 583   {
 584     XSTORMY16_INSN_MOVGRGRIIPOSTINC, "movgrgriipostinc", "mov", 32,
 585     { 0, { (1<<MACH_BASE) } }
 586   },
 587 /* mov$ws2 $Rdm,(--$Rs,$imm12) */
 588   {
 589     XSTORMY16_INSN_MOVGRGRIIPREDEC, "movgrgriipredec", "mov", 32,
 590     { 0, { (1<<MACH_BASE) } }
 591   },
 592 /* mov$ws2 ($Rs,$imm12),$Rdm */
 593   {
 594     XSTORMY16_INSN_MOVGRIIGR, "movgriigr", "mov", 32,
 595     { 0, { (1<<MACH_BASE) } }
 596   },
 597 /* mov$ws2 ($Rs++,$imm12),$Rdm */
 598   {
 599     XSTORMY16_INSN_MOVGRIIPOSTINCGR, "movgriipostincgr", "mov", 32,
 600     { 0, { (1<<MACH_BASE) } }
 601   },
 602 /* mov$ws2 (--$Rs,$imm12),$Rdm */
 603   {
 604     XSTORMY16_INSN_MOVGRIIPREDECGR, "movgriipredecgr", "mov", 32,
 605     { 0, { (1<<MACH_BASE) } }
 606   },
 607 /* mov $Rd,$Rs */
 608   {
 609     XSTORMY16_INSN_MOVGRGR, "movgrgr", "mov", 16,
 610     { 0, { (1<<MACH_BASE) } }
 611   },
 612 /* mov.w Rx,#$imm8 */
 613   {
 614     XSTORMY16_INSN_MOVWIMM8, "movwimm8", "mov.w", 16,
 615     { 0, { (1<<MACH_BASE) } }
 616   },
 617 /* mov.w $Rm,#$imm8small */
 618   {
 619     XSTORMY16_INSN_MOVWGRIMM8, "movwgrimm8", "mov.w", 16,
 620     { 0, { (1<<MACH_BASE) } }
 621   },
 622 /* mov.w $Rd,#$imm16 */
 623   {
 624     XSTORMY16_INSN_MOVWGRIMM16, "movwgrimm16", "mov.w", 32,
 625     { 0, { (1<<MACH_BASE) } }
 626   },
 627 /* mov.b $Rd,RxL */
 628   {
 629     XSTORMY16_INSN_MOVLOWGR, "movlowgr", "mov.b", 16,
 630     { 0, { (1<<MACH_BASE) } }
 631   },
 632 /* mov.b $Rd,RxH */
 633   {
 634     XSTORMY16_INSN_MOVHIGHGR, "movhighgr", "mov.b", 16,
 635     { 0, { (1<<MACH_BASE) } }
 636   },
 637 /* movf$ws2 $Rdm,($Rs) */
 638   {
 639     XSTORMY16_INSN_MOVFGRGRI, "movfgrgri", "movf", 16,
 640     { 0, { (1<<MACH_BASE) } }
 641   },
 642 /* movf$ws2 $Rdm,($Rs++) */
 643   {
 644     XSTORMY16_INSN_MOVFGRGRIPOSTINC, "movfgrgripostinc", "movf", 16,
 645     { 0, { (1<<MACH_BASE) } }
 646   },
 647 /* movf$ws2 $Rdm,(--$Rs) */
 648   {
 649     XSTORMY16_INSN_MOVFGRGRIPREDEC, "movfgrgripredec", "movf", 16,
 650     { 0, { (1<<MACH_BASE) } }
 651   },
 652 /* movf$ws2 ($Rs),$Rdm */
 653   {
 654     XSTORMY16_INSN_MOVFGRIGR, "movfgrigr", "movf", 16,
 655     { 0, { (1<<MACH_BASE) } }
 656   },
 657 /* movf$ws2 ($Rs++),$Rdm */
 658   {
 659     XSTORMY16_INSN_MOVFGRIPOSTINCGR, "movfgripostincgr", "movf", 16,
 660     { 0, { (1<<MACH_BASE) } }
 661   },
 662 /* movf$ws2 (--$Rs),$Rdm */
 663   {
 664     XSTORMY16_INSN_MOVFGRIPREDECGR, "movfgripredecgr", "movf", 16,
 665     { 0, { (1<<MACH_BASE) } }
 666   },
 667 /* movf$ws2 $Rdm,($Rb,$Rs,$imm12) */
 668   {
 669     XSTORMY16_INSN_MOVFGRGRII, "movfgrgrii", "movf", 32,
 670     { 0, { (1<<MACH_BASE) } }
 671   },
 672 /* movf$ws2 $Rdm,($Rb,$Rs++,$imm12) */
 673   {
 674     XSTORMY16_INSN_MOVFGRGRIIPOSTINC, "movfgrgriipostinc", "movf", 32,
 675     { 0, { (1<<MACH_BASE) } }
 676   },
 677 /* movf$ws2 $Rdm,($Rb,--$Rs,$imm12) */
 678   {
 679     XSTORMY16_INSN_MOVFGRGRIIPREDEC, "movfgrgriipredec", "movf", 32,
 680     { 0, { (1<<MACH_BASE) } }
 681   },
 682 /* movf$ws2 ($Rb,$Rs,$imm12),$Rdm */
 683   {
 684     XSTORMY16_INSN_MOVFGRIIGR, "movfgriigr", "movf", 32,
 685     { 0, { (1<<MACH_BASE) } }
 686   },
 687 /* movf$ws2 ($Rb,$Rs++,$imm12),$Rdm */
 688   {
 689     XSTORMY16_INSN_MOVFGRIIPOSTINCGR, "movfgriipostincgr", "movf", 32,
 690     { 0, { (1<<MACH_BASE) } }
 691   },
 692 /* movf$ws2 ($Rb,--$Rs,$imm12),$Rdm */
 693   {
 694     XSTORMY16_INSN_MOVFGRIIPREDECGR, "movfgriipredecgr", "movf", 32,
 695     { 0, { (1<<MACH_BASE) } }
 696   },
 697 /* mask $Rd,$Rs */
 698   {
 699     XSTORMY16_INSN_MASKGRGR, "maskgrgr", "mask", 16,
 700     { 0, { (1<<MACH_BASE) } }
 701   },
 702 /* mask $Rd,#$imm16 */
 703   {
 704     XSTORMY16_INSN_MASKGRIMM16, "maskgrimm16", "mask", 32,
 705     { 0, { (1<<MACH_BASE) } }
 706   },
 707 /* push $Rd */
 708   {
 709     XSTORMY16_INSN_PUSHGR, "pushgr", "push", 16,
 710     { 0, { (1<<MACH_BASE) } }
 711   },
 712 /* pop $Rd */
 713   {
 714     XSTORMY16_INSN_POPGR, "popgr", "pop", 16,
 715     { 0, { (1<<MACH_BASE) } }
 716   },
 717 /* swpn $Rd */
 718   {
 719     XSTORMY16_INSN_SWPN, "swpn", "swpn", 16,
 720     { 0, { (1<<MACH_BASE) } }
 721   },
 722 /* swpb $Rd */
 723   {
 724     XSTORMY16_INSN_SWPB, "swpb", "swpb", 16,
 725     { 0, { (1<<MACH_BASE) } }
 726   },
 727 /* swpw $Rd,$Rs */
 728   {
 729     XSTORMY16_INSN_SWPW, "swpw", "swpw", 16,
 730     { 0, { (1<<MACH_BASE) } }
 731   },
 732 /* and $Rd,$Rs */
 733   {
 734     XSTORMY16_INSN_ANDGRGR, "andgrgr", "and", 16,
 735     { 0, { (1<<MACH_BASE) } }
 736   },
 737 /* and Rx,#$imm8 */
 738   {
 739     XSTORMY16_INSN_ANDIMM8, "andimm8", "and", 16,
 740     { 0, { (1<<MACH_BASE) } }
 741   },
 742 /* and $Rd,#$imm16 */
 743   {
 744     XSTORMY16_INSN_ANDGRIMM16, "andgrimm16", "and", 32,
 745     { 0, { (1<<MACH_BASE) } }
 746   },
 747 /* or $Rd,$Rs */
 748   {
 749     XSTORMY16_INSN_ORGRGR, "orgrgr", "or", 16,
 750     { 0, { (1<<MACH_BASE) } }
 751   },
 752 /* or Rx,#$imm8 */
 753   {
 754     XSTORMY16_INSN_ORIMM8, "orimm8", "or", 16,
 755     { 0, { (1<<MACH_BASE) } }
 756   },
 757 /* or $Rd,#$imm16 */
 758   {
 759     XSTORMY16_INSN_ORGRIMM16, "orgrimm16", "or", 32,
 760     { 0, { (1<<MACH_BASE) } }
 761   },
 762 /* xor $Rd,$Rs */
 763   {
 764     XSTORMY16_INSN_XORGRGR, "xorgrgr", "xor", 16,
 765     { 0, { (1<<MACH_BASE) } }
 766   },
 767 /* xor Rx,#$imm8 */
 768   {
 769     XSTORMY16_INSN_XORIMM8, "xorimm8", "xor", 16,
 770     { 0, { (1<<MACH_BASE) } }
 771   },
 772 /* xor $Rd,#$imm16 */
 773   {
 774     XSTORMY16_INSN_XORGRIMM16, "xorgrimm16", "xor", 32,
 775     { 0, { (1<<MACH_BASE) } }
 776   },
 777 /* not $Rd */
 778   {
 779     XSTORMY16_INSN_NOTGR, "notgr", "not", 16,
 780     { 0, { (1<<MACH_BASE) } }
 781   },
 782 /* add $Rd,$Rs */
 783   {
 784     XSTORMY16_INSN_ADDGRGR, "addgrgr", "add", 16,
 785     { 0, { (1<<MACH_BASE) } }
 786   },
 787 /* add $Rd,#$imm4 */
 788   {
 789     XSTORMY16_INSN_ADDGRIMM4, "addgrimm4", "add", 16,
 790     { 0, { (1<<MACH_BASE) } }
 791   },
 792 /* add Rx,#$imm8 */
 793   {
 794     XSTORMY16_INSN_ADDIMM8, "addimm8", "add", 16,
 795     { 0, { (1<<MACH_BASE) } }
 796   },
 797 /* add $Rd,#$imm16 */
 798   {
 799     XSTORMY16_INSN_ADDGRIMM16, "addgrimm16", "add", 32,
 800     { 0, { (1<<MACH_BASE) } }
 801   },
 802 /* adc $Rd,$Rs */
 803   {
 804     XSTORMY16_INSN_ADCGRGR, "adcgrgr", "adc", 16,
 805     { 0, { (1<<MACH_BASE) } }
 806   },
 807 /* adc $Rd,#$imm4 */
 808   {
 809     XSTORMY16_INSN_ADCGRIMM4, "adcgrimm4", "adc", 16,
 810     { 0, { (1<<MACH_BASE) } }
 811   },
 812 /* adc Rx,#$imm8 */
 813   {
 814     XSTORMY16_INSN_ADCIMM8, "adcimm8", "adc", 16,
 815     { 0, { (1<<MACH_BASE) } }
 816   },
 817 /* adc $Rd,#$imm16 */
 818   {
 819     XSTORMY16_INSN_ADCGRIMM16, "adcgrimm16", "adc", 32,
 820     { 0, { (1<<MACH_BASE) } }
 821   },
 822 /* sub $Rd,$Rs */
 823   {
 824     XSTORMY16_INSN_SUBGRGR, "subgrgr", "sub", 16,
 825     { 0, { (1<<MACH_BASE) } }
 826   },
 827 /* sub $Rd,#$imm4 */
 828   {
 829     XSTORMY16_INSN_SUBGRIMM4, "subgrimm4", "sub", 16,
 830     { 0, { (1<<MACH_BASE) } }
 831   },
 832 /* sub Rx,#$imm8 */
 833   {
 834     XSTORMY16_INSN_SUBIMM8, "subimm8", "sub", 16,
 835     { 0, { (1<<MACH_BASE) } }
 836   },
 837 /* sub $Rd,#$imm16 */
 838   {
 839     XSTORMY16_INSN_SUBGRIMM16, "subgrimm16", "sub", 32,
 840     { 0, { (1<<MACH_BASE) } }
 841   },
 842 /* sbc $Rd,$Rs */
 843   {
 844     XSTORMY16_INSN_SBCGRGR, "sbcgrgr", "sbc", 16,
 845     { 0, { (1<<MACH_BASE) } }
 846   },
 847 /* sbc $Rd,#$imm4 */
 848   {
 849     XSTORMY16_INSN_SBCGRIMM4, "sbcgrimm4", "sbc", 16,
 850     { 0, { (1<<MACH_BASE) } }
 851   },
 852 /* sbc Rx,#$imm8 */
 853   {
 854     XSTORMY16_INSN_SBCGRIMM8, "sbcgrimm8", "sbc", 16,
 855     { 0, { (1<<MACH_BASE) } }
 856   },
 857 /* sbc $Rd,#$imm16 */
 858   {
 859     XSTORMY16_INSN_SBCGRIMM16, "sbcgrimm16", "sbc", 32,
 860     { 0, { (1<<MACH_BASE) } }
 861   },
 862 /* inc $Rd,#$imm2 */
 863   {
 864     XSTORMY16_INSN_INCGRIMM2, "incgrimm2", "inc", 16,
 865     { 0, { (1<<MACH_BASE) } }
 866   },
 867 /* dec $Rd,#$imm2 */
 868   {
 869     XSTORMY16_INSN_DECGRIMM2, "decgrimm2", "dec", 16,
 870     { 0, { (1<<MACH_BASE) } }
 871   },
 872 /* rrc $Rd,$Rs */
 873   {
 874     XSTORMY16_INSN_RRCGRGR, "rrcgrgr", "rrc", 16,
 875     { 0, { (1<<MACH_BASE) } }
 876   },
 877 /* rrc $Rd,#$imm4 */
 878   {
 879     XSTORMY16_INSN_RRCGRIMM4, "rrcgrimm4", "rrc", 16,
 880     { 0, { (1<<MACH_BASE) } }
 881   },
 882 /* rlc $Rd,$Rs */
 883   {
 884     XSTORMY16_INSN_RLCGRGR, "rlcgrgr", "rlc", 16,
 885     { 0, { (1<<MACH_BASE) } }
 886   },
 887 /* rlc $Rd,#$imm4 */
 888   {
 889     XSTORMY16_INSN_RLCGRIMM4, "rlcgrimm4", "rlc", 16,
 890     { 0, { (1<<MACH_BASE) } }
 891   },
 892 /* shr $Rd,$Rs */
 893   {
 894     XSTORMY16_INSN_SHRGRGR, "shrgrgr", "shr", 16,
 895     { 0, { (1<<MACH_BASE) } }
 896   },
 897 /* shr $Rd,#$imm4 */
 898   {
 899     XSTORMY16_INSN_SHRGRIMM, "shrgrimm", "shr", 16,
 900     { 0, { (1<<MACH_BASE) } }
 901   },
 902 /* shl $Rd,$Rs */
 903   {
 904     XSTORMY16_INSN_SHLGRGR, "shlgrgr", "shl", 16,
 905     { 0, { (1<<MACH_BASE) } }
 906   },
 907 /* shl $Rd,#$imm4 */
 908   {
 909     XSTORMY16_INSN_SHLGRIMM, "shlgrimm", "shl", 16,
 910     { 0, { (1<<MACH_BASE) } }
 911   },
 912 /* asr $Rd,$Rs */
 913   {
 914     XSTORMY16_INSN_ASRGRGR, "asrgrgr", "asr", 16,
 915     { 0, { (1<<MACH_BASE) } }
 916   },
 917 /* asr $Rd,#$imm4 */
 918   {
 919     XSTORMY16_INSN_ASRGRIMM, "asrgrimm", "asr", 16,
 920     { 0, { (1<<MACH_BASE) } }
 921   },
 922 /* set1 $Rd,#$imm4 */
 923   {
 924     XSTORMY16_INSN_SET1GRIMM, "set1grimm", "set1", 16,
 925     { 0, { (1<<MACH_BASE) } }
 926   },
 927 /* set1 $Rd,$Rs */
 928   {
 929     XSTORMY16_INSN_SET1GRGR, "set1grgr", "set1", 16,
 930     { 0, { (1<<MACH_BASE) } }
 931   },
 932 /* set1 $lmem8,#$imm3 */
 933   {
 934     XSTORMY16_INSN_SET1LMEMIMM, "set1lmemimm", "set1", 16,
 935     { 0, { (1<<MACH_BASE) } }
 936   },
 937 /* set1 $hmem8,#$imm3 */
 938   {
 939     XSTORMY16_INSN_SET1HMEMIMM, "set1hmemimm", "set1", 16,
 940     { 0, { (1<<MACH_BASE) } }
 941   },
 942 /* clr1 $Rd,#$imm4 */
 943   {
 944     XSTORMY16_INSN_CLR1GRIMM, "clr1grimm", "clr1", 16,
 945     { 0, { (1<<MACH_BASE) } }
 946   },
 947 /* clr1 $Rd,$Rs */
 948   {
 949     XSTORMY16_INSN_CLR1GRGR, "clr1grgr", "clr1", 16,
 950     { 0, { (1<<MACH_BASE) } }
 951   },
 952 /* clr1 $lmem8,#$imm3 */
 953   {
 954     XSTORMY16_INSN_CLR1LMEMIMM, "clr1lmemimm", "clr1", 16,
 955     { 0, { (1<<MACH_BASE) } }
 956   },
 957 /* clr1 $hmem8,#$imm3 */
 958   {
 959     XSTORMY16_INSN_CLR1HMEMIMM, "clr1hmemimm", "clr1", 16,
 960     { 0, { (1<<MACH_BASE) } }
 961   },
 962 /* cbw $Rd */
 963   {
 964     XSTORMY16_INSN_CBWGR, "cbwgr", "cbw", 16,
 965     { 0, { (1<<MACH_BASE) } }
 966   },
 967 /* rev $Rd */
 968   {
 969     XSTORMY16_INSN_REVGR, "revgr", "rev", 16,
 970     { 0, { (1<<MACH_BASE) } }
 971   },
 972 /* b$bcond5 $Rd,$Rs,$rel12 */
 973   {
 974     XSTORMY16_INSN_BCCGRGR, "bccgrgr", "b", 32,
 975     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
 976   },
 977 /* b$bcond5 $Rm,#$imm8,$rel12 */
 978   {
 979     XSTORMY16_INSN_BCCGRIMM8, "bccgrimm8", "b", 32,
 980     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
 981   },
 982 /* b$bcond2 Rx,#$imm16,${rel8-4} */
 983   {
 984     XSTORMY16_INSN_BCCIMM16, "bccimm16", "b", 32,
 985     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
 986   },
 987 /* bn $Rd,#$imm4,$rel12 */
 988   {
 989     XSTORMY16_INSN_BNGRIMM4, "bngrimm4", "bn", 32,
 990     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
 991   },
 992 /* bn $Rd,$Rs,$rel12 */
 993   {
 994     XSTORMY16_INSN_BNGRGR, "bngrgr", "bn", 32,
 995     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
 996   },
 997 /* bn $lmem8,#$imm3b,$rel12 */
 998   {
 999     XSTORMY16_INSN_BNLMEMIMM, "bnlmemimm", "bn", 32,
1000     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1001   },
1002 /* bn $hmem8,#$imm3b,$rel12 */
1003   {
1004     XSTORMY16_INSN_BNHMEMIMM, "bnhmemimm", "bn", 32,
1005     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1006   },
1007 /* bp $Rd,#$imm4,$rel12 */
1008   {
1009     XSTORMY16_INSN_BPGRIMM4, "bpgrimm4", "bp", 32,
1010     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1011   },
1012 /* bp $Rd,$Rs,$rel12 */
1013   {
1014     XSTORMY16_INSN_BPGRGR, "bpgrgr", "bp", 32,
1015     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1016   },
1017 /* bp $lmem8,#$imm3b,$rel12 */
1018   {
1019     XSTORMY16_INSN_BPLMEMIMM, "bplmemimm", "bp", 32,
1020     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1021   },
1022 /* bp $hmem8,#$imm3b,$rel12 */
1023   {
1024     XSTORMY16_INSN_BPHMEMIMM, "bphmemimm", "bp", 32,
1025     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1026   },
1027 /* b$bcond2 ${rel8-2} */
1028   {
1029     XSTORMY16_INSN_BCC, "bcc", "b", 16,
1030     { 0|A(COND_CTI), { (1<<MACH_BASE) } }
1031   },
1032 /* br $Rd */
1033   {
1034     XSTORMY16_INSN_BGR, "bgr", "br", 16,
1035     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1036   },
1037 /* br $rel12a */
1038   {
1039     XSTORMY16_INSN_BR, "br", "br", 16,
1040     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1041   },
1042 /* jmp $Rbj,$Rd */
1043   {
1044     XSTORMY16_INSN_JMP, "jmp", "jmp", 16,
1045     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1046   },
1047 /* jmpf $abs24 */
1048   {
1049     XSTORMY16_INSN_JMPF, "jmpf", "jmpf", 32,
1050     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1051   },
1052 /* callr $Rd */
1053   {
1054     XSTORMY16_INSN_CALLRGR, "callrgr", "callr", 16,
1055     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1056   },
1057 /* callr $rel12a */
1058   {
1059     XSTORMY16_INSN_CALLRIMM, "callrimm", "callr", 16,
1060     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1061   },
1062 /* call $Rbj,$Rd */
1063   {
1064     XSTORMY16_INSN_CALLGR, "callgr", "call", 16,
1065     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1066   },
1067 /* callf $abs24 */
1068   {
1069     XSTORMY16_INSN_CALLFIMM, "callfimm", "callf", 32,
1070     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1071   },
1072 /* icallr $Rd */
1073   {
1074     XSTORMY16_INSN_ICALLRGR, "icallrgr", "icallr", 16,
1075     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1076   },
1077 /* icall $Rbj,$Rd */
1078   {
1079     XSTORMY16_INSN_ICALLGR, "icallgr", "icall", 16,
1080     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1081   },
1082 /* icallf $abs24 */
1083   {
1084     XSTORMY16_INSN_ICALLFIMM, "icallfimm", "icallf", 32,
1085     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1086   },
1087 /* iret */
1088   {
1089     XSTORMY16_INSN_IRET, "iret", "iret", 16,
1090     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1091   },
1092 /* ret */
1093   {
1094     XSTORMY16_INSN_RET, "ret", "ret", 16,
1095     { 0|A(UNCOND_CTI), { (1<<MACH_BASE) } }
1096   },
1097 /* mul */
1098   {
1099     XSTORMY16_INSN_MUL, "mul", "mul", 16,
1100     { 0, { (1<<MACH_BASE) } }
1101   },
1102 /* div */
1103   {
1104     XSTORMY16_INSN_DIV, "div", "div", 16,
1105     { 0, { (1<<MACH_BASE) } }
1106   },
1107 /* sdiv */
1108   {
1109     XSTORMY16_INSN_SDIV, "sdiv", "sdiv", 16,
1110     { 0, { (1<<MACH_BASE) } }
1111   },
1112 /* sdivlh */
1113   {
1114     XSTORMY16_INSN_SDIVLH, "sdivlh", "sdivlh", 16,
1115     { 0, { (1<<MACH_BASE) } }
1116   },
1117 /* divlh */
1118   {
1119     XSTORMY16_INSN_DIVLH, "divlh", "divlh", 16,
1120     { 0, { (1<<MACH_BASE) } }
1121   },
1122 /* reset */
1123   {
1124     XSTORMY16_INSN_RESET, "reset", "reset", 16,
1125     { 0, { (1<<MACH_BASE) } }
1126   },
1127 /* nop */
1128   {
1129     XSTORMY16_INSN_NOP, "nop", "nop", 16,
1130     { 0, { (1<<MACH_BASE) } }
1131   },
1132 /* halt */
1133   {
1134     XSTORMY16_INSN_HALT, "halt", "halt", 16,
1135     { 0, { (1<<MACH_BASE) } }
1136   },
1137 /* hold */
1138   {
1139     XSTORMY16_INSN_HOLD, "hold", "hold", 16,
1140     { 0, { (1<<MACH_BASE) } }
1141   },
1142 /* holdx */
1143   {
1144     XSTORMY16_INSN_HOLDX, "holdx", "holdx", 16,
1145     { 0, { (1<<MACH_BASE) } }
1146   },
1147 /* brk */
1148   {
1149     XSTORMY16_INSN_BRK, "brk", "brk", 16,
1150     { 0, { (1<<MACH_BASE) } }
1151   },
1152 /* --unused-- */
1153   {
1154     XSTORMY16_INSN_SYSCALL, "syscall", "--unused--", 16,
1155     { 0, { (1<<MACH_BASE) } }
1156   },
1157 };
1158
1159 #undef OP
1160 #undef A
1161
1162 /* Initialize anything needed to be done once, before any cpu_open call.  */
1163 static void init_tables PARAMS ((void));
1164
1165 static void
1166 init_tables ()
1167 {
1168 }
1169
1170 static const CGEN_MACH * lookup_mach_via_bfd_name
1171   PARAMS ((const CGEN_MACH *, const char *));
1172 static void build_hw_table  PARAMS ((CGEN_CPU_TABLE *));
1173 static void build_ifield_table  PARAMS ((CGEN_CPU_TABLE *));
1174 static void build_operand_table PARAMS ((CGEN_CPU_TABLE *));
1175 static void build_insn_table    PARAMS ((CGEN_CPU_TABLE *));
1176 static void xstormy16_cgen_rebuild_tables PARAMS ((CGEN_CPU_TABLE *));
1177
1178 /* Subroutine of xstormy16_cgen_cpu_open to look up a mach via its bfd name.  */
1179
1180 static const CGEN_MACH *
1181 lookup_mach_via_bfd_name (table, name)
1182      const CGEN_MACH *table;
1183      const char *name;
1184 {
1185   while (table->name)
1186     {
1187       if (strcmp (name, table->bfd_name) == 0)
1188         return table;
1189       ++table;
1190     }
1191   abort ();
1192 }
1193
1194 /* Subroutine of xstormy16_cgen_cpu_open to build the hardware table.  */
1195
1196 static void
1197 build_hw_table (cd)
1198      CGEN_CPU_TABLE *cd;
1199 {
1200   int i;
1201   int machs = cd->machs;
1202   const CGEN_HW_ENTRY *init = & xstormy16_cgen_hw_table[0];
1203   /* MAX_HW is only an upper bound on the number of selected entries.
1204      However each entry is indexed by it's enum so there can be holes in
1205      the table.  */
1206   const CGEN_HW_ENTRY **selected =
1207     (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
1208
1209   cd->hw_table.init_entries = init;
1210   cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
1211   memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
1212   /* ??? For now we just use machs to determine which ones we want.  */
1213   for (i = 0; init[i].name != NULL; ++i)
1214     if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
1215         & machs)
1216       selected[init[i].type] = &init[i];
1217   cd->hw_table.entries = selected;
1218   cd->hw_table.num_entries = MAX_HW;
1219 }
1220
1221 /* Subroutine of xstormy16_cgen_cpu_open to build the hardware table.  */
1222
1223 static void
1224 build_ifield_table (cd)
1225      CGEN_CPU_TABLE *cd;
1226 {
1227   cd->ifld_table = & xstormy16_cgen_ifld_table[0];
1228 }
1229
1230 /* Subroutine of xstormy16_cgen_cpu_open to build the hardware table.  */
1231
1232 static void
1233 build_operand_table (cd)
1234      CGEN_CPU_TABLE *cd;
1235 {
1236   int i;
1237   int machs = cd->machs;
1238   const CGEN_OPERAND *init = & xstormy16_cgen_operand_table[0];
1239   /* MAX_OPERANDS is only an upper bound on the number of selected entries.
1240      However each entry is indexed by it's enum so there can be holes in
1241      the table.  */
1242   const CGEN_OPERAND **selected =
1243     (const CGEN_OPERAND **) xmalloc (MAX_OPERANDS * sizeof (CGEN_OPERAND *));
1244
1245   cd->operand_table.init_entries = init;
1246   cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
1247   memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
1248   /* ??? For now we just use mach to determine which ones we want.  */
1249   for (i = 0; init[i].name != NULL; ++i)
1250     if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
1251         & machs)
1252       selected[init[i].type] = &init[i];
1253   cd->operand_table.entries = selected;
1254   cd->operand_table.num_entries = MAX_OPERANDS;
1255 }
1256
1257 /* Subroutine of xstormy16_cgen_cpu_open to build the hardware table.
1258    ??? This could leave out insns not supported by the specified mach/isa,
1259    but that would cause errors like "foo only supported by bar" to become
1260    "unknown insn", so for now we include all insns and require the app to
1261    do the checking later.
1262    ??? On the other hand, parsing of such insns may require their hardware or
1263    operand elements to be in the table [which they mightn't be].  */
1264
1265 static void
1266 build_insn_table (cd)
1267      CGEN_CPU_TABLE *cd;
1268 {
1269   int i;
1270   const CGEN_IBASE *ib = & xstormy16_cgen_insn_table[0];
1271   CGEN_INSN *insns = (CGEN_INSN *) xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
1272
1273   memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
1274   for (i = 0; i < MAX_INSNS; ++i)
1275     insns[i].base = &ib[i];
1276   cd->insn_table.init_entries = insns;
1277   cd->insn_table.entry_size = sizeof (CGEN_IBASE);
1278   cd->insn_table.num_init_entries = MAX_INSNS;
1279 }
1280
1281 /* Subroutine of xstormy16_cgen_cpu_open to rebuild the tables.  */
1282
1283 static void
1284 xstormy16_cgen_rebuild_tables (cd)
1285      CGEN_CPU_TABLE *cd;
1286 {
1287   int i;
1288   unsigned int isas = cd->isas;
1289   unsigned int machs = cd->machs;
1290
1291   cd->int_insn_p = CGEN_INT_INSN_P;
1292
1293   /* Data derived from the isa spec.  */
1294 #define UNSET (CGEN_SIZE_UNKNOWN + 1)
1295   cd->default_insn_bitsize = UNSET;
1296   cd->base_insn_bitsize = UNSET;
1297   cd->min_insn_bitsize = 65535; /* some ridiculously big number */
1298   cd->max_insn_bitsize = 0;
1299   for (i = 0; i < MAX_ISAS; ++i)
1300     if (((1 << i) & isas) != 0)
1301       {
1302         const CGEN_ISA *isa = & xstormy16_cgen_isa_table[i];
1303
1304         /* Default insn sizes of all selected isas must be
1305            equal or we set the result to 0, meaning "unknown".  */
1306         if (cd->default_insn_bitsize == UNSET)
1307           cd->default_insn_bitsize = isa->default_insn_bitsize;
1308         else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
1309           ; /* this is ok */
1310         else
1311           cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
1312
1313         /* Base insn sizes of all selected isas must be equal
1314            or we set the result to 0, meaning "unknown".  */
1315         if (cd->base_insn_bitsize == UNSET)
1316           cd->base_insn_bitsize = isa->base_insn_bitsize;
1317         else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
1318           ; /* this is ok */
1319         else
1320           cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
1321
1322         /* Set min,max insn sizes.  */
1323         if (isa->min_insn_bitsize < cd->min_insn_bitsize)
1324           cd->min_insn_bitsize = isa->min_insn_bitsize;
1325         if (isa->max_insn_bitsize > cd->max_insn_bitsize)
1326           cd->max_insn_bitsize = isa->max_insn_bitsize;
1327       }
1328
1329   /* Data derived from the mach spec.  */
1330   for (i = 0; i < MAX_MACHS; ++i)
1331     if (((1 << i) & machs) != 0)
1332       {
1333         const CGEN_MACH *mach = & xstormy16_cgen_mach_table[i];
1334
1335         if (mach->insn_chunk_bitsize != 0)
1336         {
1337           if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
1338             {
1339               fprintf (stderr, "xstormy16_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
1340                        cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
1341               abort ();
1342             }
1343
1344           cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
1345         }
1346       }
1347
1348   /* Determine which hw elements are used by MACH.  */
1349   build_hw_table (cd);
1350
1351   /* Build the ifield table.  */
1352   build_ifield_table (cd);
1353
1354   /* Determine which operands are used by MACH/ISA.  */
1355   build_operand_table (cd);
1356
1357   /* Build the instruction table.  */
1358   build_insn_table (cd);
1359 }
1360
1361 /* Initialize a cpu table and return a descriptor.
1362    It's much like opening a file, and must be the first function called.
1363    The arguments are a set of (type/value) pairs, terminated with
1364    CGEN_CPU_OPEN_END.
1365
1366    Currently supported values:
1367    CGEN_CPU_OPEN_ISAS:    bitmap of values in enum isa_attr
1368    CGEN_CPU_OPEN_MACHS:   bitmap of values in enum mach_attr
1369    CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
1370    CGEN_CPU_OPEN_ENDIAN:  specify endian choice
1371    CGEN_CPU_OPEN_END:     terminates arguments
1372
1373    ??? Simultaneous multiple isas might not make sense, but it's not (yet)
1374    precluded.
1375
1376    ??? We only support ISO C stdargs here, not K&R.
1377    Laziness, plus experiment to see if anything requires K&R - eventually
1378    K&R will no longer be supported - e.g. GDB is currently trying this.  */
1379
1380 CGEN_CPU_DESC
1381 xstormy16_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
1382 {
1383   CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
1384   static int init_p;
1385   unsigned int isas = 0;  /* 0 = "unspecified" */
1386   unsigned int machs = 0; /* 0 = "unspecified" */
1387   enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
1388   va_list ap;
1389
1390   if (! init_p)
1391     {
1392       init_tables ();
1393       init_p = 1;
1394     }
1395
1396   memset (cd, 0, sizeof (*cd));
1397
1398   va_start (ap, arg_type);
1399   while (arg_type != CGEN_CPU_OPEN_END)
1400     {
1401       switch (arg_type)
1402         {
1403         case CGEN_CPU_OPEN_ISAS :
1404           isas = va_arg (ap, unsigned int);
1405           break;
1406         case CGEN_CPU_OPEN_MACHS :
1407           machs = va_arg (ap, unsigned int);
1408           break;
1409         case CGEN_CPU_OPEN_BFDMACH :
1410           {
1411             const char *name = va_arg (ap, const char *);
1412             const CGEN_MACH *mach =
1413               lookup_mach_via_bfd_name (xstormy16_cgen_mach_table, name);
1414
1415             machs |= 1 << mach->num;
1416             break;
1417           }
1418         case CGEN_CPU_OPEN_ENDIAN :
1419           endian = va_arg (ap, enum cgen_endian);
1420           break;
1421         default :
1422           fprintf (stderr, "xstormy16_cgen_cpu_open: unsupported argument `%d'\n",
1423                    arg_type);
1424           abort (); /* ??? return NULL? */
1425         }
1426       arg_type = va_arg (ap, enum cgen_cpu_open_arg);
1427     }
1428   va_end (ap);
1429
1430   /* mach unspecified means "all" */
1431   if (machs == 0)
1432     machs = (1 << MAX_MACHS) - 1;
1433   /* base mach is always selected */
1434   machs |= 1;
1435   /* isa unspecified means "all" */
1436   if (isas == 0)
1437     isas = (1 << MAX_ISAS) - 1;
1438   if (endian == CGEN_ENDIAN_UNKNOWN)
1439     {
1440       /* ??? If target has only one, could have a default.  */
1441       fprintf (stderr, "xstormy16_cgen_cpu_open: no endianness specified\n");
1442       abort ();
1443     }
1444
1445   cd->isas = isas;
1446   cd->machs = machs;
1447   cd->endian = endian;
1448   /* FIXME: for the sparc case we can determine insn-endianness statically.
1449      The worry here is where both data and insn endian can be independently
1450      chosen, in which case this function will need another argument.
1451      Actually, will want to allow for more arguments in the future anyway.  */
1452   cd->insn_endian = endian;
1453
1454   /* Table (re)builder.  */
1455   cd->rebuild_tables = xstormy16_cgen_rebuild_tables;
1456   xstormy16_cgen_rebuild_tables (cd);
1457
1458   /* Default to not allowing signed overflow.  */
1459   cd->signed_overflow_ok_p = 0;
1460
1461   return (CGEN_CPU_DESC) cd;
1462 }
1463
1464 /* Cover fn to xstormy16_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
1465    MACH_NAME is the bfd name of the mach.  */
1466
1467 CGEN_CPU_DESC
1468 xstormy16_cgen_cpu_open_1 (mach_name, endian)
1469      const char *mach_name;
1470      enum cgen_endian endian;
1471 {
1472   return xstormy16_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
1473                                CGEN_CPU_OPEN_ENDIAN, endian,
1474                                CGEN_CPU_OPEN_END);
1475 }
1476
1477 /* Close a cpu table.
1478    ??? This can live in a machine independent file, but there's currently
1479    no place to put this file (there's no libcgen).  libopcodes is the wrong
1480    place as some simulator ports use this but they don't use libopcodes.  */
1481
1482 void
1483 xstormy16_cgen_cpu_close (cd)
1484      CGEN_CPU_DESC cd;
1485 {
1486   unsigned int i;
1487   const CGEN_INSN *insns;
1488
1489   if (cd->macro_insn_table.init_entries)
1490     {
1491       insns = cd->macro_insn_table.init_entries;
1492       for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
1493         {
1494           if (CGEN_INSN_RX ((insns)))
1495             regfree (CGEN_INSN_RX (insns));
1496         }
1497     }
1498
1499   if (cd->insn_table.init_entries)
1500     {
1501       insns = cd->insn_table.init_entries;
1502       for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
1503         {
1504           if (CGEN_INSN_RX (insns))
1505             regfree (CGEN_INSN_RX (insns));
1506         }
1507     }
1508
1509
1510
1511   if (cd->macro_insn_table.init_entries)
1512     free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
1513
1514   if (cd->insn_table.init_entries)
1515     free ((CGEN_INSN *) cd->insn_table.init_entries);
1516
1517   if (cd->hw_table.entries)
1518     free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
1519
1520   if (cd->operand_table.entries)
1521     free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
1522
1523   free (cd);
1524 }
1525