gcc/config/lm32/lm32.h

   1 /* Definitions of target machine for GNU compiler, Lattice Mico32 architecture.
   2    Contributed by Jon Beniston <jon@beniston.com>
   3
   4    Copyright (C) 2009, 2010 Free Software Foundation, Inc.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 /*-------------------------------*/
  23 /* Run-time Target Specification */
  24 /*-------------------------------*/
  25
  26 /* Print subsidiary information on the compiler version in use.  */
  27 #ifndef TARGET_VERSION
  28 #define TARGET_VERSION fprintf (stderr, " (LatticeMico32)")
  29 #endif
  30
  31 /* Target CPU builtins.  */
  32 #define TARGET_CPU_CPP_BUILTINS()                       \
  33   do                                                    \
  34     {                                                   \
  35       builtin_define ("__lm32__");                      \
  36       builtin_assert ("cpu=lm32");                      \
  37       builtin_assert ("machine=lm32");                  \
  38       if (TARGET_MULTIPLY_ENABLED)                      \
  39         builtin_define ("__multiply_enabled__");        \
  40       if (TARGET_DIVIDE_ENABLED)                        \
  41         builtin_define ("__divide_enabled__");          \
  42       if (TARGET_BARREL_SHIFT_ENABLED)                  \
  43         builtin_define ("__barrel_shift_enabled__");    \
  44       if (TARGET_SIGN_EXTEND_ENABLED)                   \
  45         builtin_define ("__sign_extend_enabled__");     \
  46       if (TARGET_USER_ENABLED)                          \
  47         builtin_define ("__user_enabled__");            \
  48     }                                                   \
  49   while (0)
  50
  51 #undef  ASM_SPEC
  52 #define ASM_SPEC "\
  53 %{mmultiply-enabled} \
  54 %{mdivide-enabled} \
  55 %{mbarrel-shift-enabled} \
  56 %{msign-extend-enabled} \
  57 %{muser-extend-enabled} \
  58 %{v} \
  59 "
  60
  61 /* Let link script define all link options.
  62    Default to using simulator link script.  */
  63
  64 #undef  STARTFILE_SPEC
  65 #define STARTFILE_SPEC ""
  66 #undef  ENDFILE_SPEC
  67 #define ENDFILE_SPEC ""
  68 #undef  LIB_SPEC
  69 #define LIB_SPEC "%{!T*:-T sim.ld}"
  70
  71 #define OVERRIDE_OPTIONS lm32_override_options()
  72
  73 extern int target_flags;
  74
  75 /* Add -G xx support.  */
  76
  77 #undef  SWITCH_TAKES_ARG
  78 #define SWITCH_TAKES_ARG(CHAR) \
  79 (DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G')
  80
  81 #undef  CC1_SPEC
  82 #define CC1_SPEC "%{G*}"
  83
  84 /*---------------------------------*/
  85 /* Target machine storage layout.  */
  86 /*---------------------------------*/
  87
  88 #define BITS_BIG_ENDIAN 0
  89 #define BYTES_BIG_ENDIAN 1
  90 #define WORDS_BIG_ENDIAN 1
  91 #define LIBGCC2_WORDS_BIG_ENDIAN 1
  92
  93 #define BITS_PER_UNIT 8
  94 #define BITS_PER_WORD 32
  95 #define UNITS_PER_WORD 4
  96
  97 #define POINTER_SIZE 32
  98
  99 #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)               \
 100 do {                                                    \
 101   if (GET_MODE_CLASS (MODE) == MODE_INT                 \
 102       && GET_MODE_SIZE (MODE) < UNITS_PER_WORD)         \
 103     (MODE) = word_mode;                                 \
 104 } while (0)
 105
 106 #define PARM_BOUNDARY 32
 107
 108 #define STACK_BOUNDARY 32
 109
 110 #define BIGGEST_ALIGNMENT 64
 111
 112 #define FUNCTION_BOUNDARY  32
 113
 114 #define EMPTY_FIELD_BOUNDARY 32
 115
 116 #define STRICT_ALIGNMENT 1
 117
 118 #define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
 119
 120 /* Make strings word-aligned so strcpy from constants will be faster.  */
 121 #define CONSTANT_ALIGNMENT(EXP, ALIGN)  \
 122   (TREE_CODE (EXP) == STRING_CST        \
 123    && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
 124
 125 /* Make arrays and structures word-aligned to allow faster copying etc.  */
 126 #define DATA_ALIGNMENT(TYPE, ALIGN)                                     \
 127   ((((ALIGN) < BITS_PER_WORD)                                           \
 128     && (TREE_CODE (TYPE) == ARRAY_TYPE                                  \
 129         || TREE_CODE (TYPE) == UNION_TYPE                               \
 130         || TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN))
 131
 132 /* We need this for the same reason as DATA_ALIGNMENT, namely to cause
 133    character arrays to be word-aligned so that `strcpy' calls that copy
 134    constants to character arrays can be done inline, and 'strcmp' can be
 135    optimised to use word loads.  */
 136 #define LOCAL_ALIGNMENT(TYPE, ALIGN) \
 137   DATA_ALIGNMENT (TYPE, ALIGN)
 138
 139 /*----------------------------------------*/
 140 /* Layout of source language data types.  */
 141 /*----------------------------------------*/
 142
 143 #define INT_TYPE_SIZE               32
 144 #define SHORT_TYPE_SIZE             16
 145 #define LONG_TYPE_SIZE              32
 146 #define LONG_LONG_TYPE_SIZE         64
 147
 148 #define FLOAT_TYPE_SIZE             32
 149 #define DOUBLE_TYPE_SIZE            64
 150 #define LONG_DOUBLE_TYPE_SIZE       64
 151
 152 #define DEFAULT_SIGNED_CHAR         0
 153
 154 #define SIZE_TYPE "unsigned int"
 155
 156 #define PTRDIFF_TYPE "int"
 157
 158 /*---------------------------*/
 159 /* Standard register usage.  */
 160 /*---------------------------*/
 161
 162 #define FIRST_PSEUDO_REGISTER  32
 163
 164 #define RV_REGNUM   1
 165 #define GP_REGNUM   26
 166 #define FP_REGNUM   27
 167 #define SP_REGNUM   28
 168 #define RA_REGNUM   29
 169
 170 #define G_REG_P(X)      ((X)<32)
 171
 172 #define FIXED_REGISTERS   \
 173 { 1, 0, 0, 0, 0, 0, 0, 0, \
 174   0, 0, 0, 0, 0, 0, 0, 0, \
 175   0, 0, 0, 0, 0, 0, 0, 0, \
 176   0, 0, 1, 0, 1, 0, 1, 1}
 177
 178 #define CALL_USED_REGISTERS \
 179 { 1, 1, 1, 1, 1, 1, 1, 1,   \
 180   1, 1, 1, 0, 0, 0, 0, 0,   \
 181   0, 0, 0, 0, 0, 0, 0, 0,   \
 182   0, 0, 1, 0, 1, 0, 1, 1}
 183
 184 #define HARD_REGNO_NREGS(REGNO, MODE)                                   \
 185     ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
 186
 187 #define HARD_REGNO_MODE_OK(REGNO, MODE) G_REG_P(REGNO)
 188
 189 #define MODES_TIEABLE_P(MODE1, MODE2)           \
 190 (      GET_MODE_CLASS (MODE1) == MODE_INT               \
 191     && GET_MODE_CLASS (MODE2) == MODE_INT               \
 192     && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD  \
 193     && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD)
 194
 195 #define AVOID_CCMODE_COPIES
 196
 197 /*----------------------------------*/
 198 /* Register classes and constants.  */
 199 /*----------------------------------*/
 200
 201 enum reg_class
 202 {
 203   NO_REGS,
 204   GENERAL_REGS,
 205   ALL_REGS,
 206   LIM_REG_CLASSES
 207 };
 208
 209 #define N_REG_CLASSES (int) LIM_REG_CLASSES
 210
 211 #define REG_CLASS_NAMES { "NO_REGS", "GENERAL_REGS", "ALL_REGS" }
 212
 213 #define REG_CLASS_CONTENTS      \
 214 { {0x00000000},                 \
 215   {0xffffffff},                 \
 216   {0xffffffff}                  \
 217 }
 218
 219 #define REGNO_REG_CLASS(REGNO) \
 220     (G_REG_P(REGNO) ? GENERAL_REGS : NO_REGS)
 221
 222 #define CLASS_MAX_NREGS(CLASS, MODE) \
 223     ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
 224
 225 #define INDEX_REG_CLASS NO_REGS
 226
 227 #define BASE_REG_CLASS GENERAL_REGS
 228
 229 #define REGNO_OK_FOR_BASE_P(REGNO) \
 230     (G_REG_P (REGNO) || G_REG_P ((unsigned) reg_renumber[REGNO]))
 231
 232 #define REGNO_OK_FOR_INDEX_P(REGNO) 0
 233
 234 #define PREFERRED_RELOAD_CLASS(X,CLASS) (CLASS)
 235
 236 /*----------------------------------------*/
 237 /* Stack Layout and Calling Conventions.  */
 238 /*----------------------------------------*/
 239
 240 #define STACK_GROWS_DOWNWARD 1
 241
 242 #define FRAME_GROWS_DOWNWARD 1
 243
 244 #define STACK_POINTER_OFFSET (UNITS_PER_WORD)
 245
 246 #define STARTING_FRAME_OFFSET (UNITS_PER_WORD)
 247
 248 #define FIRST_PARM_OFFSET(FNDECL) (UNITS_PER_WORD)
 249
 250 #define STACK_POINTER_REGNUM SP_REGNUM
 251
 252 #define FRAME_POINTER_REGNUM FP_REGNUM
 253
 254 #define ARG_POINTER_REGNUM FRAME_POINTER_REGNUM
 255
 256 #define RETURN_ADDR_RTX(count, frame)                                   \
 257   lm32_return_addr_rtx (count, frame)
 258
 259 /* FIXME - This is not yet supported.  */
 260 #define STATIC_CHAIN_REGNUM 9
 261
 262 #define ELIMINABLE_REGS \
 263 {{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM },                        \
 264  { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM },                          \
 265 }
 266
 267 #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET)                    \
 268   (OFFSET) = lm32_compute_initial_elimination_offset (FROM, TO)
 269
 270 /*-----------------------------*/
 271 /* Function argument passing.  */
 272 /*-----------------------------*/
 273
 274 #define ACCUMULATE_OUTGOING_ARGS 1
 275
 276 /*--------------------------------*/
 277 /* Passing Arguments in Registers */
 278 /*--------------------------------*/
 279
 280 /* The first argument register.  */
 281 #define LM32_FIRST_ARG_REG 1
 282
 283 /* The number of (integer) argument register available.  */
 284 #define LM32_NUM_ARG_REGS 8
 285
 286 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED)                            \
 287   lm32_function_arg ((CUM), (MODE), (TYPE), (NAMED))
 288
 289 #define CUMULATIVE_ARGS int
 290
 291 #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT,N_NAMED_ARGS)  \
 292   (CUM) = 0
 293
 294 #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED)                    \
 295   (CUM) += LM32_NUM_REGS2 (MODE, TYPE)
 296
 297 #define FUNCTION_ARG_REGNO_P(r)                                         \
 298   (((r) >= LM32_FIRST_ARG_REG) && ((r) <= LM32_NUM_ARG_REGS))
 299
 300 /*--------------------*/
 301 /* Function results.  */
 302 /*--------------------*/
 303
 304 #define FUNCTION_VALUE(VALTYPE, FUNC)                                   \
 305    gen_rtx_REG ((INTEGRAL_TYPE_P (VALTYPE)                              \
 306                  && TYPE_PRECISION (VALTYPE) < BITS_PER_WORD)           \
 307                     ? word_mode                                         \
 308                     : TYPE_MODE (VALTYPE),                              \
 309                     RV_REGNUM)
 310
 311 #define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, RV_REGNUM)
 312
 313 #define FUNCTION_VALUE_REGNO_P(N) ((N) == RV_REGNUM)
 314
 315 #define RETURN_IN_MEMORY(TYPE) lm32_return_in_memory (TYPE)
 316
 317 #define DEFAULT_PCC_STRUCT_RETURN 0
 318
 319 /* Convert from bytes to ints.  */
 320 #define LM32_NUM_INTS(X) (((X) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
 321
 322 /* The number of (integer) registers required to hold a quantity of
 323    type MODE.  */
 324 #define LM32_NUM_REGS(MODE) LM32_NUM_INTS (GET_MODE_SIZE (MODE))
 325
 326 /* The number of (integer) registers required to hold a quantity of
 327    TYPE MODE.  */
 328 #define LM32_NUM_REGS2(MODE, TYPE)                       \
 329   LM32_NUM_INTS ((MODE) == BLKmode ?                     \
 330   int_size_in_bytes (TYPE) : GET_MODE_SIZE (MODE))
 331
 332 #define STRUCT_VALUE 0
 333
 334 /*---------------------------*/
 335 /* Function entry and exit.  */
 336 /*---------------------------*/
 337
 338 /*-------------*/
 339 /* Profiling.  */
 340 /*-------------*/
 341
 342 #define FUNCTION_PROFILER(FILE, LABELNO)
 343
 344 /*---------------*/
 345 /* Trampolines.  */
 346 /*---------------*/
 347
 348 #define TRAMPOLINE_SIZE         0
 349
 350 /*---------------------*/
 351 /*  Addressing Modes.  */
 352 /*---------------------*/
 353
 354 #define CONSTANT_ADDRESS_P(X)                                           \
 355   ((GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF             \
 356     || GET_CODE (X) == CONST_INT || GET_CODE (X) == HIGH                \
 357     || (GET_CODE (X) == CONST)))
 358
 359 #define MAX_REGS_PER_ADDRESS 1
 360
 361 #define STRICT_REG_OK_FOR_BASE_P(X)                                     \
 362   (REGNO_OK_FOR_BASE_P (REGNO (X)))
 363 #define NONSTRICT_REG_OK_FOR_BASE_P(X)                                  \
 364   (G_REG_P (REGNO (X)) || !HARD_REGISTER_NUM_P (REGNO (X)))
 365
 366 #ifdef REG_OK_STRICT
 367 #define REG_OK_FOR_BASE_P(X) STRICT_REG_OK_FOR_BASE_P(X)
 368 #else
 369 #define REG_OK_FOR_BASE_P(X) NONSTRICT_REG_OK_FOR_BASE_P(X)
 370 #endif
 371
 372 #define LEGITIMATE_CONSTANT_P(X) lm32_legitimate_constant_p
 373
 374 /*-------------------------*/
 375 /* Condition Code Status.  */
 376 /*-------------------------*/
 377
 378 #define REVERSIBLE_CC_MODE(MODE) 1
 379
 380 /*---------*/
 381 /* Costs.  */
 382 /*---------*/
 383
 384 #define SLOW_BYTE_ACCESS 1
 385
 386 #define NO_FUNCTION_CSE
 387
 388 #define BRANCH_COST(speed_p, predictable_p) 4
 389
 390 #define MOVE_RATIO(speed) (speed ? 24 : 3)
 391
 392 /*------------*/
 393 /* Sections.  */
 394 /*------------*/
 395
 396 #define TEXT_SECTION_ASM_OP             "\t.section\t.text"
 397 #define DATA_SECTION_ASM_OP             "\t.section\t.data"
 398 #define SDATA_SECTION_ASM_OP            "\t.section\t.sdata,\"aw\""
 399 #define BSS_SECTION_ASM_OP              "\t.section\t.bss"
 400 #define SBSS_SECTION_ASM_OP             "\t.section\t.sbss,\"aw\""
 401
 402 /*-------*/
 403 /* PIC.  */
 404 /*-------*/
 405
 406 #define PIC_OFFSET_TABLE_REGNUM (flag_pic ? GP_REGNUM : INVALID_REGNUM)
 407
 408 #define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
 409
 410 #define LEGITIMATE_PIC_OPERAND_P(X)                                    \
 411         (!(nonpic_symbol_mentioned_p (X)))
 412
 413 /*-------------*/
 414 /* Assembler.  */
 415 /*-------------*/
 416
 417 #define ASM_COMMENT_START "#"
 418
 419 #define ASM_APP_ON "#APP\n"
 420
 421 #define ASM_APP_OFF "#NO_APP\n"
 422
 423 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
 424  do {                                                                   \
 425         fputc ( '\t', FILE);                                            \
 426         assemble_name (FILE, LABEL1);                                   \
 427         fputs ( " = ", FILE);                                           \
 428         assemble_name (FILE, LABEL2);                                   \
 429         fputc ( '\n', FILE);                                            \
 430  } while (0)
 431
 432 /* Override default implementation in elfos.h to support -G.  */
 433 #undef  ASM_OUTPUT_ALIGNED_LOCAL
 434 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
 435 do {                                                                    \
 436   if ((SIZE) <= g_switch_value)                                         \
 437     switch_to_section (sbss_section);                                   \
 438   else                                                                  \
 439     switch_to_section (bss_section);                                    \
 440   ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");                     \
 441   if (!flag_inhibit_size_directive)                                     \
 442     ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);                       \
 443   ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT));       \
 444   ASM_OUTPUT_LABEL(FILE, NAME);                                         \
 445   ASM_OUTPUT_SKIP((FILE), (SIZE) ? (SIZE) : 1);                         \
 446 } while (0)
 447
 448 /* Override default implementation in elfos.h to support -G.  */
 449 #undef  ASM_OUTPUT_ALIGNED_COMMON
 450 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
 451 do                                                                      \
 452 {                                                                       \
 453   if ((SIZE) <= g_switch_value)                                         \
 454     {                                                                   \
 455       switch_to_section (sbss_section);                                 \
 456       (*targetm.asm_out.globalize_label) (FILE, NAME);                  \
 457       ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");                 \
 458       if (!flag_inhibit_size_directive)                                 \
 459         ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);                   \
 460       ASM_OUTPUT_ALIGN ((FILE), exact_log2((ALIGN) / BITS_PER_UNIT));   \
 461       ASM_OUTPUT_LABEL(FILE, NAME);                                     \
 462       ASM_OUTPUT_SKIP((FILE), (SIZE) ? (SIZE) : 1);                     \
 463     }                                                                   \
 464   else                                                                  \
 465     {                                                                   \
 466       switch_to_section (bss_section);                                  \
 467       fprintf ((FILE), "%s", COMMON_ASM_OP);                            \
 468       assemble_name ((FILE), (NAME));                                   \
 469       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",          \
 470                (SIZE), (ALIGN) / BITS_PER_UNIT);                        \
 471     }                                                                   \
 472 }                                                                       \
 473 while (0)
 474
 475 #define ASM_OUTPUT_LABEL(FILE, NAME) \
 476   do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
 477
 478 #define ASM_OUTPUT_LABELREF(FILE,NAME)  \
 479   do {                                  \
 480     const char *xname = (NAME);         \
 481     if (xname[0] == '@')                \
 482       xname += 1;                       \
 483     if (xname[0] == '*')                \
 484       xname += 1;                       \
 485     fputs (xname, FILE);                \
 486   } while (0)
 487
 488 #define ASM_OUTPUT_SYMBOL_REF(STREAM, SYMBOL)                           \
 489   do {                                                                  \
 490     assemble_name (STREAM, XSTR (SYMBOL, 0));                           \
 491   } while (0)
 492
 493 #define GLOBAL_ASM_OP "\t.global\t"
 494
 495 #define REGISTER_NAMES                                          \
 496 {                                                               \
 497  "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",         \
 498  "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",        \
 499  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",        \
 500  "r24", "r25",  "gp",  "fp",  "sp",  "ra",  "ea",  "ba"}
 501
 502 #define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
 503   (((CHAR) == '&') || ((CHAR) == '@') || ((CHAR) == '*'))
 504
 505 #define PRINT_OPERAND(FILE, X, CODE)                            \
 506   lm32_print_operand (FILE, X, CODE)
 507
 508 #define PRINT_OPERAND_ADDRESS(FILE, ADDR)                       \
 509   lm32_print_operand_address (FILE, ADDR)
 510
 511 #ifndef LOCAL_LABEL_PREFIX
 512 #define LOCAL_LABEL_PREFIX      "."
 513 #endif
 514
 515 #define ASM_OUTPUT_ALIGN(FILE,LOG)                              \
 516   do { if ((LOG) != 0) fprintf (FILE, "\t.align %d\n", (1 << (LOG))); } while (0)
 517
 518 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)                    \
 519 do {                                                            \
 520   char label[64];                                               \
 521   ASM_GENERATE_INTERNAL_LABEL (label, "L", VALUE);              \
 522   fprintf (FILE, "\n\t.word\t");                                \
 523   assemble_name (FILE, label);                                  \
 524   fprintf (FILE, "\n");                                         \
 525 } while (0)
 526
 527 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL)        \
 528 do {                                                            \
 529   char label[64];                                               \
 530   fprintf (FILE, "\t.word\t(");                                 \
 531   ASM_GENERATE_INTERNAL_LABEL (label, "L", VALUE);              \
 532   assemble_name (FILE, label);                                  \
 533   fprintf (FILE, "-");                                          \
 534   ASM_GENERATE_INTERNAL_LABEL (label, "L", REL);                \
 535   assemble_name (FILE, label);                                  \
 536   fprintf (FILE, ")\n");                                        \
 537 } while (0)
 538
 539 /*-------------*/
 540 /* Debugging.  */
 541 /*-------------*/
 542
 543 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
 544
 545 #define CAN_DEBUG_WITHOUT_FP
 546
 547 #define DEFAULT_GDB_EXTENSIONS 1
 548
 549 /*--------*/
 550 /* Misc.  */
 551 /*--------*/
 552
 553 #define CASE_VECTOR_MODE Pmode
 554
 555 #define WORD_REGISTER_OPERATIONS
 556
 557 #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
 558
 559 #define SHORT_IMMEDIATES_SIGN_EXTEND
 560
 561 #define MOVE_MAX        UNITS_PER_WORD
 562 #define MAX_MOVE_MAX    4
 563
 564 #define SHIFT_COUNT_TRUNCATED 1
 565
 566 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
 567
 568 #define Pmode SImode
 569
 570 #define FUNCTION_MODE SImode
 571
 572 #ifndef NO_IMPLICIT_EXTERN_C
 573 #define NO_IMPLICIT_EXTERN_C
 574 #endif
 575
 576 #define STORE_FLAG_VALUE 1