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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [rx/] [rx.h] - Blame information for rev 315

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1 282 jeremybenn
/* GCC backend definitions for the Renesas RX processor.
2
   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
3
   Contributed by Red Hat.
4
 
5
   This file is part of GCC.
6
 
7
   GCC is free software; you can redistribute it and/or modify it
8
   under the terms of the GNU General Public License as published
9
   by the Free Software Foundation; either version 3, or (at your
10
   option) any later version.
11
 
12
   GCC is distributed in the hope that it will be useful, but WITHOUT
13
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15
   License for more details.
16
 
17
   You should have received a copy of the GNU General Public License
18
   along with GCC; see the file COPYING3.  If not see
19
   <http://www.gnu.org/licenses/>.  */
20
 
21
 
22
#define TARGET_CPU_CPP_BUILTINS()               \
23
  do                                            \
24
    {                                           \
25
      builtin_define ("__RX__");                \
26
      builtin_assert ("cpu=RX");                \
27
      if (rx_cpu_type == RX610)                 \
28
        builtin_assert ("machine=RX610");       \
29
     else                                       \
30
        builtin_assert ("machine=RX600");       \
31
                                                \
32
      if (TARGET_BIG_ENDIAN_DATA)               \
33
        builtin_define ("__RX_BIG_ENDIAN__");   \
34
      else                                      \
35
        builtin_define ("__RX_LITTLE_ENDIAN__");\
36
                                                \
37
      if (TARGET_64BIT_DOUBLES)                 \
38
        builtin_define ("__RX_64BIT_DOUBLES__");\
39
      else                                      \
40
        builtin_define ("__RX_32BIT_DOUBLES__");\
41
                                                \
42
      if (ALLOW_RX_FPU_INSNS)                   \
43
        builtin_define ("__RX_FPU_INSNS__");    \
44
                                                \
45
      if (TARGET_AS100_SYNTAX)                  \
46
        builtin_define ("__RX_AS100_SYNTAX__"); \
47
      else                                      \
48
        builtin_define ("__RX_GAS_SYNTAX__");   \
49
    }                                           \
50
  while (0)
51
 
52
enum rx_cpu_types
53
{
54
  RX600,
55
  RX610,
56
  RX200
57
};
58
 
59
extern enum rx_cpu_types  rx_cpu_type;
60
 
61
#undef  CC1_SPEC
62
#define CC1_SPEC "\
63
  %{mas100-syntax:%{gdwarf*:%e-mas100-syntax is incompatible with -gdwarf}} \
64
  %{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}"
65
 
66
#undef  STARTFILE_SPEC
67
#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s} crtbegin.o%s"
68
 
69
#undef  ENDFILE_SPEC
70
#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
71
 
72
#undef  ASM_SPEC
73
#define ASM_SPEC "\
74
%{mbig-endian-data:-mbig-endian-data} \
75
%{m64bit-doubles:-m64bit-doubles} \
76
%{!m64bit-doubles:-m32bit-doubles} \
77
%{msmall-data-limit*:-msmall-data-limit} \
78
%{mrelax:-relax} \
79
"
80
 
81
#undef  LIB_SPEC
82
#define LIB_SPEC "                                      \
83
--start-group                                           \
84
-lc                                                     \
85
%{msim*:-lsim}%{!msim*:-lnosys}                         \
86
%{fprofile-arcs|fprofile-generate|coverage:-lgcov}      \
87
--end-group                                             \
88
%{!T*: %{msim*:%Trx-sim.ld}%{!msim*:%Trx.ld}}           \
89
"
90
 
91
#undef  LINK_SPEC
92
#define LINK_SPEC "%{mbig-endian-data:--oformat elf32-rx-be} %{mrelax:-relax}"
93
 
94
 
95
#define BITS_BIG_ENDIAN                 0
96
#define BYTES_BIG_ENDIAN                TARGET_BIG_ENDIAN_DATA
97
#define WORDS_BIG_ENDIAN                TARGET_BIG_ENDIAN_DATA
98
 
99
#ifdef __RX_BIG_ENDIAN__
100
#define LIBGCC2_WORDS_BIG_ENDIAN        1
101
#else
102
#define LIBGCC2_WORDS_BIG_ENDIAN        0
103
#endif
104
 
105
#define UNITS_PER_WORD                  4
106
 
107
#define INT_TYPE_SIZE                   32
108
#define LONG_TYPE_SIZE                  32
109
#define LONG_LONG_TYPE_SIZE             64
110
 
111
#define FLOAT_TYPE_SIZE                 32
112
#define DOUBLE_TYPE_SIZE                (TARGET_64BIT_DOUBLES ? 64 : 32)
113
#define LONG_DOUBLE_TYPE_SIZE           DOUBLE_TYPE_SIZE
114
 
115
#ifdef __RX_32BIT_DOUBLES__
116
#define LIBGCC2_HAS_DF_MODE             0
117
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE   32
118
#define LIBGCC2_DOUBLE_TYPE_SIZE        32
119
#else
120
#define LIBGCC2_HAS_DF_MODE             1
121
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE   64
122
#define LIBGCC2_DOUBLE_TYPE_SIZE        64
123
#endif
124
 
125
#define DEFAULT_SIGNED_CHAR             0
126
 
127
#define STRICT_ALIGNMENT                1
128
#define FUNCTION_BOUNDARY               8
129
#define BIGGEST_ALIGNMENT               32
130
#define STACK_BOUNDARY                  32
131
#define PARM_BOUNDARY                   8
132
 
133
#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) 32
134
 
135
#define STACK_GROWS_DOWNWARD            1
136
#define FRAME_GROWS_DOWNWARD            0
137
#define FIRST_PARM_OFFSET(FNDECL)       0
138
 
139
#define MAX_REGS_PER_ADDRESS            2
140
 
141
#define Pmode                           SImode
142
#define POINTER_SIZE                    32
143
#undef  SIZE_TYPE
144
#define SIZE_TYPE                       "long unsigned int"
145
#undef  PTRDIFF_TYPE
146
#define PTRDIFF_TYPE                    "long int"
147
#define POINTERS_EXTEND_UNSIGNED        1
148
#define FUNCTION_MODE                   QImode
149
#define CASE_VECTOR_MODE                Pmode
150
#define WORD_REGISTER_OPERATIONS        1
151
#define HAS_LONG_COND_BRANCH            0
152
#define HAS_LONG_UNCOND_BRANCH          0
153
 
154
#define MOVE_MAX                        4
155
#define STARTING_FRAME_OFFSET           0
156
 
157
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, SIZE) 0
158
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC)   1
159
 
160
#define LEGITIMATE_CONSTANT_P(X)        rx_is_legitimate_constant (X)
161
 
162
#define HANDLE_PRAGMA_PACK_PUSH_POP     1
163
 
164
#define HAVE_PRE_DECCREMENT             1
165
#define HAVE_POST_INCREMENT             1
166
 
167
#define MOVE_RATIO(SPEED)               ((SPEED) ? 4 : 2)
168
#define SLOW_BYTE_ACCESS                1
169
 
170
#define STORE_FLAG_VALUE                1
171
#define LOAD_EXTEND_OP(MODE)            SIGN_EXTEND
172
#define SHORT_IMMEDIATES_SIGN_EXTEND    1
173
 
174
enum reg_class
175
{
176
  NO_REGS,                      /* No registers in set.  */
177
  GR_REGS,                      /* Integer registers.  */
178
  ALL_REGS,                     /* All registers.  */
179
  LIM_REG_CLASSES               /* Max value + 1.  */
180
};
181
 
182
#define REG_CLASS_NAMES                                 \
183
{                                                       \
184
  "NO_REGS",                                            \
185
  "GR_REGS",                                            \
186
  "ALL_REGS"                                            \
187
}
188
 
189
#define REG_CLASS_CONTENTS                              \
190
{                                                       \
191
  { 0x00000000 },       /* No registers,  */            \
192
  { 0x0000ffff },       /* Integer registers.  */       \
193
  { 0x0000ffff }        /* All registers.  */           \
194
}
195
 
196
#define IRA_COVER_CLASSES                               \
197
  {                                                     \
198
    GR_REGS, LIM_REG_CLASSES                            \
199
  }
200
 
201
#define SMALL_REGISTER_CLASSES          0
202
#define N_REG_CLASSES                   (int) LIM_REG_CLASSES
203
#define CLASS_MAX_NREGS(CLASS, MODE)    ((GET_MODE_SIZE (MODE) \
204
                                          + UNITS_PER_WORD - 1) \
205
                                         / UNITS_PER_WORD)
206
 
207
#define GENERAL_REGS                    GR_REGS
208
#define BASE_REG_CLASS                  GR_REGS
209
#define INDEX_REG_CLASS                 GR_REGS
210
 
211
#define FIRST_PSEUDO_REGISTER           17
212
 
213
#define REGNO_REG_CLASS(REGNO)          ((REGNO) < FIRST_PSEUDO_REGISTER \
214
                                         ? GR_REGS : NO_REGS)
215
 
216
#define STACK_POINTER_REGNUM            0
217
#define FUNC_RETURN_REGNUM              1
218
#define FRAME_POINTER_REGNUM            6
219
#define ARG_POINTER_REGNUM              7
220
#define STATIC_CHAIN_REGNUM             8
221
#define TRAMPOLINE_TEMP_REGNUM          9
222
#define STRUCT_VAL_REGNUM               15
223
#define CC_REGNUM                       16
224
 
225
/* This is the register which is used to hold the address of the start
226
   of the small data area, if that feature is being used.  Note - this
227
   register must not be call_used because otherwise library functions
228
   that are compiled without small data support might clobber it.
229
 
230
   FIXME: The function gcc/config/rx/rx.c:rx_gen_move_template() has a
231
   built in copy of this register's name, rather than constructing the
232
   name from this #define.  */
233
#define GP_BASE_REGNUM                  13
234
 
235
#define ELIMINABLE_REGS                                 \
236
{{ ARG_POINTER_REGNUM,   STACK_POINTER_REGNUM },        \
237
 { ARG_POINTER_REGNUM,   FRAME_POINTER_REGNUM },        \
238
 { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }}
239
 
240
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET)    \
241
  (OFFSET) = rx_initial_elimination_offset ((FROM), (TO))
242
 
243
 
244
#define FUNCTION_ARG_REGNO_P(N)         (((N) >= 1) && ((N) <= 4))
245
#define FUNCTION_VALUE_REGNO_P(N)       ((N) == FUNC_RETURN_REGNUM)
246
#define DEFAULT_PCC_STRUCT_RETURN       0
247
 
248
#define FIXED_REGISTERS                                 \
249
{                                                       \
250
  1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1     \
251
}
252
 
253
#define CALL_USED_REGISTERS                             \
254
{                                                       \
255
  1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1     \
256
}
257
 
258
#define CONDITIONAL_REGISTER_USAGE                      \
259
  rx_conditional_register_usage ()
260
 
261
#define LIBCALL_VALUE(MODE)                             \
262
  gen_rtx_REG (((GET_MODE_CLASS (MODE) != MODE_INT      \
263
                 || GET_MODE_SIZE (MODE) >= 4)          \
264
                ? (MODE)                                \
265
                : SImode),                              \
266
               FUNC_RETURN_REGNUM)
267
 
268
/* Order of allocation of registers.  */
269
 
270
#define REG_ALLOC_ORDER                                         \
271
{  7,  10,  11,  12,  13,  14,  4,  3,  2,  1, 9, 8, 6, 5, 15   \
272
}
273
 
274
#define PREFERRED_RELOAD_CLASS(X,CLASS)         CLASS
275
 
276
#define REGNO_IN_RANGE(REGNO, MIN, MAX)         \
277
  (IN_RANGE ((REGNO), (MIN), (MAX))             \
278
   || (reg_renumber != NULL                     \
279
       && reg_renumber[(REGNO)] >= (MIN)        \
280
       && reg_renumber[(REGNO)] <= (MAX)))
281
 
282
#ifdef REG_OK_STRICT
283
#define REGNO_OK_FOR_BASE_P(regno)      REGNO_IN_RANGE (regno, 0, 15)
284
#else
285
#define REGNO_OK_FOR_BASE_P(regno)      1
286
#endif
287
 
288
#define REGNO_OK_FOR_INDEX_P(regno)     REGNO_OK_FOR_BASE_P (regno)
289
 
290
#define RTX_OK_FOR_BASE(X, STRICT)                              \
291
  ((STRICT) ?                                                   \
292
   (   (REG_P (X)                                               \
293
        && REGNO_IN_RANGE (REGNO (X), 0, 15))                   \
294
    || (GET_CODE (X) == SUBREG                                  \
295
        && REG_P (SUBREG_REG (X))                               \
296
        && REGNO_IN_RANGE (REGNO (SUBREG_REG (X)), 0, 15)))     \
297
   :                                                            \
298
    ( (REG_P (X)                                                \
299
       || (GET_CODE (X) == SUBREG                               \
300
           && REG_P (SUBREG_REG (X))))))
301
 
302
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL)       \
303
  do                                                    \
304
    {                                                   \
305
      if (rx_is_mode_dependent_addr (ADDR))             \
306
        goto LABEL;                                     \
307
    }                                                   \
308
  while (0)
309
 
310
 
311
#define RETURN_ADDR_RTX(COUNT, FRAMEADDR)                               \
312
  ((COUNT) == 0                                                         \
313
   ? gen_rtx_MEM (Pmode, gen_rtx_PLUS (Pmode, arg_pointer_rtx, GEN_INT (-4))) \
314
   : NULL_RTX)
315
 
316
#define INCOMING_RETURN_ADDR_RTX        gen_rtx_MEM (Pmode, stack_pointer_rtx)
317
 
318
#define ACCUMULATE_OUTGOING_ARGS        1
319
 
320
typedef unsigned int CUMULATIVE_ARGS;
321
 
322
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
323
  (CUM) = 0
324
 
325
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
326
  rx_function_arg (& CUM, MODE, TYPE, NAMED)
327
 
328
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED)    \
329
  (CUM) += rx_function_arg_size (MODE, TYPE)
330
 
331
#define TRAMPOLINE_SIZE         (! TARGET_BIG_ENDIAN_DATA ? 14 : 20)
332
#define TRAMPOLINE_ALIGNMENT    32
333
 
334
#define NO_PROFILE_COUNTERS     1
335
#define PROFILE_BEFORE_PROLOGUE 1
336
 
337
#define FUNCTION_PROFILER(FILE, LABELNO)        \
338
    fprintf (FILE, "\tbsr\t__mcount\n");
339
 
340
 
341
#define HARD_REGNO_NREGS(REGNO, MODE)   CLASS_MAX_NREGS (0, MODE)
342
 
343
#define HARD_REGNO_MODE_OK(REGNO, MODE)                         \
344
  REGNO_REG_CLASS (REGNO) == GR_REGS
345
 
346
#define MODES_TIEABLE_P(MODE1, MODE2)                           \
347
  (   (   GET_MODE_CLASS (MODE1) == MODE_FLOAT                  \
348
       || GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT)         \
349
   == (   GET_MODE_CLASS (MODE2) == MODE_FLOAT                  \
350
       || GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT))
351
 
352
 
353
#define REGISTER_NAMES                                          \
354
  {                                                             \
355
    "r0",  "r1",  "r2",   "r3",   "r4",   "r5",   "r6",   "r7", \
356
      "r8",  "r9",  "r10",  "r11",  "r12",  "r13",  "r14",  "r15", "cc" \
357
  };
358
 
359
#define ADDITIONAL_REGISTER_NAMES       \
360
{                                       \
361
    { "sp",    STACK_POINTER_REGNUM }   \
362
  , { "fp",    FRAME_POINTER_REGNUM }   \
363
  , { "arg",   ARG_POINTER_REGNUM }     \
364
  , { "chain", STATIC_CHAIN_REGNUM }    \
365
}
366
 
367
#define DATA_SECTION_ASM_OP                             \
368
  (TARGET_AS100_SYNTAX ? "\t.SECTION D,DATA"            \
369
   : "\t.section D,\"aw\",@progbits\n\t.p2align 2")
370
 
371
#define SDATA_SECTION_ASM_OP                            \
372
  (TARGET_AS100_SYNTAX ? "\t.SECTION D_2,DATA,ALIGN=2"  \
373
   : "\t.section D_2,\"aw\",@progbits\n\t.p2align 1")
374
 
375
#undef  READONLY_DATA_SECTION_ASM_OP
376
#define READONLY_DATA_SECTION_ASM_OP                    \
377
  (TARGET_AS100_SYNTAX ? "\t.SECTION C,ROMDATA,ALIGN=4" \
378
   : "\t.section C,\"a\",@progbits\n\t.p2align 2")
379
 
380
#define BSS_SECTION_ASM_OP                              \
381
  (TARGET_AS100_SYNTAX ? "\t.SECTION B,DATA,ALIGN=4"    \
382
   : "\t.section B,\"w\",@nobits\n\t.p2align 2")
383
 
384
#define SBSS_SECTION_ASM_OP                             \
385
  (TARGET_AS100_SYNTAX ? "\t.SECTION B_2,DATA,ALIGN=2"  \
386
   : "\t.section B_2,\"w\",@nobits\n\t.p2align 1")
387
 
388
/* The following definitions are conditional depending upon whether the
389
   compiler is being built or crtstuff.c is being compiled by the built
390
   compiler.  */
391
#if defined CRT_BEGIN || defined CRT_END
392
# ifdef __RX_AS100_SYNTAX
393
#  define TEXT_SECTION_ASM_OP         "\t.SECTION P,CODE"
394
#  define CTORS_SECTION_ASM_OP        "\t.SECTION init_array,CODE"
395
#  define DTORS_SECTION_ASM_OP        "\t.SECTION fini_array,CODE"
396
#  define INIT_ARRAY_SECTION_ASM_OP   "\t.SECTION init_array,CODE"
397
#  define FINI_ARRAY_SECTION_ASM_OP   "\t.SECTION fini_array,CODE"
398
# else
399
#  define TEXT_SECTION_ASM_OP         "\t.section P,\"ax\""
400
#  define CTORS_SECTION_ASM_OP        \
401
  "\t.section\t.init_array,\"aw\",@init_array"
402
#  define DTORS_SECTION_ASM_OP        \
403
  "\t.section\t.fini_array,\"aw\",@fini_array"
404
#  define INIT_ARRAY_SECTION_ASM_OP   \
405
  "\t.section\t.init_array,\"aw\",@init_array"
406
#  define FINI_ARRAY_SECTION_ASM_OP   \
407
  "\t.section\t.fini_array,\"aw\",@fini_array"
408
# endif
409
#else
410
# define TEXT_SECTION_ASM_OP          \
411
  (TARGET_AS100_SYNTAX ? "\t.SECTION P,CODE" : "\t.section P,\"ax\"")
412
 
413
# define CTORS_SECTION_ASM_OP                         \
414
  (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \
415
   : "\t.section\t.init_array,\"aw\",@init_array")
416
 
417
# define DTORS_SECTION_ASM_OP                         \
418
  (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \
419
   : "\t.section\t.fini_array,\"aw\",@fini_array")
420
 
421
# define INIT_ARRAY_SECTION_ASM_OP                    \
422
  (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \
423
   : "\t.section\t.init_array,\"aw\",@init_array")
424
 
425
# define FINI_ARRAY_SECTION_ASM_OP                    \
426
  (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \
427
   : "\t.section\t.fini_array,\"aw\",@fini_array")
428
#endif
429
 
430
#define GLOBAL_ASM_OP           \
431
  (TARGET_AS100_SYNTAX ? "\t.GLB\t" : "\t.global\t")
432
#define ASM_COMMENT_START       " ;"
433
#define ASM_APP_ON              ""
434
#define ASM_APP_OFF             ""
435
#define LOCAL_LABEL_PREFIX      "L"
436
#undef  USER_LABEL_PREFIX
437
#define USER_LABEL_PREFIX       "_"
438
 
439
#define ASM_OUTPUT_ALIGN(STREAM, LOG)           \
440
  do                                            \
441
    {                                           \
442
      if ((LOG) == 0)                            \
443
        break;                                  \
444
      if (TARGET_AS100_SYNTAX)                  \
445
        {                                       \
446
          if ((LOG) >= 2)                       \
447
            fprintf (STREAM, "\t.ALIGN 4\t; %d alignment actually requested\n", 1 << (LOG)); \
448
          else                                  \
449
            fprintf (STREAM, "\t.ALIGN 2\n");   \
450
        }                                       \
451
      else                                      \
452
        fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \
453
    }                                           \
454
  while (0)
455
 
456
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
457
  fprintf (FILE, TARGET_AS100_SYNTAX ? "\t.LWORD L%d\n" : "\t.long .L%d\n", \
458
           VALUE)
459
 
460
/* This is how to output an element of a case-vector that is relative.
461
   Note: The local label referenced by the "3b" below is emitted by
462
   the tablejump insn.  */
463
 
464
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
465
  fprintf (FILE, TARGET_AS100_SYNTAX \
466
           ? "\t.LWORD L%d - ?-\n" : "\t.long .L%d - 1b\n", VALUE)
467
 
468
#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE)                   \
469
  do                                                                    \
470
    {                                                                   \
471
      HOST_WIDE_INT size_ = (SIZE);                                     \
472
                                                                        \
473
      /* The as100 assembler does not have an equivalent of the SVR4    \
474
         .size pseudo-op.  */                                           \
475
      if (TARGET_AS100_SYNTAX)                                          \
476
        break;                                                          \
477
                                                                        \
478
      fputs (SIZE_ASM_OP, STREAM);                                      \
479
      assemble_name (STREAM, NAME);                                     \
480
      fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_);       \
481
    }                                                                   \
482
  while (0)
483
 
484
#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME)                          \
485
  do                                                                    \
486
    {                                                                   \
487
      /* The as100 assembler does not have an equivalent of the SVR4    \
488
         .size pseudo-op.  */                                           \
489
      if (TARGET_AS100_SYNTAX)                                          \
490
        break;                                                          \
491
      fputs (SIZE_ASM_OP, STREAM);                                      \
492
      assemble_name (STREAM, NAME);                                     \
493
      fputs (", .-", STREAM);                                           \
494
      assemble_name (STREAM, NAME);                                     \
495
      putc ('\n', STREAM);                                              \
496
    }                                                                   \
497
  while (0)
498
 
499
#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)                   \
500
  do                                                                    \
501
    {                                                                   \
502
      /* The as100 assembler does not have an equivalent of the SVR4    \
503
         .size pseudo-op.  */                                           \
504
      if (TARGET_AS100_SYNTAX)                                          \
505
        break;                                                          \
506
      fputs (TYPE_ASM_OP, STREAM);                                      \
507
      assemble_name (STREAM, NAME);                                     \
508
      fputs (", ", STREAM);                                             \
509
      fprintf (STREAM, TYPE_OPERAND_FMT, TYPE);                         \
510
      putc ('\n', STREAM);                                              \
511
    }                                                                   \
512
  while (0)
513
 
514
#undef  ASM_GENERATE_INTERNAL_LABEL
515
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM)         \
516
  do                                                            \
517
    {                                                           \
518
      sprintf (LABEL, TARGET_AS100_SYNTAX ? "*%s%u" : "*.%s%u", \
519
               PREFIX, (unsigned) (NUM));                       \
520
    }                                                           \
521
  while (0)
522
 
523
#undef  ASM_OUTPUT_EXTERNAL
524
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)                   \
525
  do                                                            \
526
    {                                                           \
527
      if (TARGET_AS100_SYNTAX)                                  \
528
        targetm.asm_out.globalize_label (FILE, NAME);           \
529
      default_elf_asm_output_external (FILE, DECL, NAME);       \
530
    }                                                           \
531
  while (0)
532
 
533
#undef  ASM_OUTPUT_ALIGNED_COMMON
534
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
535
  do                                                                    \
536
    {                                                                   \
537
      if (TARGET_AS100_SYNTAX)                                          \
538
        {                                                               \
539
          fprintf ((FILE), "\t.GLB\t");                                 \
540
          assemble_name ((FILE), (NAME));                               \
541
          fprintf ((FILE), "\n");                                       \
542
          assemble_name ((FILE), (NAME));                               \
543
          switch ((ALIGN) / BITS_PER_UNIT)                              \
544
            {                                                           \
545
            case 4:                                                     \
546
              fprintf ((FILE), ":\t.BLKL\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
547
                       (SIZE) / 4);                                     \
548
              break;                                                    \
549
            case 2:                                                     \
550
              fprintf ((FILE), ":\t.BLKW\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
551
                       (SIZE) / 2);                                     \
552
              break;                                                    \
553
            default:                                                    \
554
              fprintf ((FILE), ":\t.BLKB\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
555
                       (SIZE));                                         \
556
              break;                                                    \
557
            }                                                           \
558
        }                                                               \
559
      else                                                              \
560
        {                                                               \
561
          fprintf ((FILE), "%s", COMMON_ASM_OP);                        \
562
          assemble_name ((FILE), (NAME));                               \
563
          fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",      \
564
                   (SIZE), (ALIGN) / BITS_PER_UNIT);                    \
565
        }                                                               \
566
    }                                                                   \
567
  while (0)
568
 
569
#undef  SKIP_ASM_OP
570
#define SKIP_ASM_OP   (TARGET_AS100_SYNTAX ? "\t.BLKB\t" : "\t.zero\t")
571
 
572
#undef  ASM_OUTPUT_LIMITED_STRING
573
#define ASM_OUTPUT_LIMITED_STRING(FILE, STR)            \
574
  do                                                    \
575
    {                                                   \
576
      const unsigned char *_limited_str =               \
577
        (const unsigned char *) (STR);                  \
578
      unsigned ch;                                      \
579
                                                        \
580
      fprintf ((FILE), TARGET_AS100_SYNTAX              \
581
               ? "\t.BYTE\t\"" : "\t.string\t\"");      \
582
                                                        \
583
      for (; (ch = *_limited_str); _limited_str++)      \
584
        {                                               \
585
          int escape;                                   \
586
                                                        \
587
          switch (escape = ESCAPES[ch])                 \
588
            {                                           \
589
            case 0:                                      \
590
              putc (ch, (FILE));                        \
591
              break;                                    \
592
            case 1:                                     \
593
              fprintf ((FILE), "\\%03o", ch);           \
594
              break;                                    \
595
            default:                                    \
596
              putc ('\\', (FILE));                      \
597
              putc (escape, (FILE));                    \
598
              break;                                    \
599
            }                                           \
600
        }                                               \
601
                                                        \
602
      fprintf ((FILE), TARGET_AS100_SYNTAX ? "\"\n\t.BYTE\t0\n" : "\"\n");\
603
    }                                                   \
604
  while (0)
605
 
606
#undef  IDENT_ASM_OP
607
#define IDENT_ASM_OP  (TARGET_AS100_SYNTAX \
608
                       ? "\t.END\t; Built by: ": "\t.ident\t")
609
 
610
/* For PIC put jump tables into the text section so that the offsets that
611
   they contain are always computed between two same-section symbols.  */
612
#define JUMP_TABLES_IN_TEXT_SECTION     (flag_pic)
613
 
614
#define PRINT_OPERAND(FILE, X, CODE)            \
615
  rx_print_operand (FILE, X, CODE)
616
#define PRINT_OPERAND_ADDRESS(FILE, ADDR)       \
617
  rx_print_operand_address (FILE, ADDR)
618
 
619
extern int rx_float_compare_mode;
620
 
621
/* This is a version of REG_P that also returns TRUE for SUBREGs.  */
622
#define RX_REG_P(rtl) (REG_P (rtl) || GET_CODE (rtl) == SUBREG)
623
 
624
/* Like REG_P except that this macro is true for SET expressions.  */
625
#define SET_P(rtl)    (GET_CODE (rtl) == SET)
626
 
627
#define CAN_DEBUG_WITHOUT_FP 1
628
 
629
/* The AS100 assembler does not support .leb128 and .uleb128, but
630
   the compiler-build-time configure tests will have enabled their
631
   use because GAS supports them.  So default to generating STABS
632
   debug information instead of DWARF2 when generating AS100
633
   compatible output.  */
634
#undef  PREFERRED_DEBUGGING_TYPE
635
#define PREFERRED_DEBUGGING_TYPE (TARGET_AS100_SYNTAX \
636
                                  ? DBX_DEBUG : DWARF2_DEBUG)
637
 
638
#define INCOMING_FRAME_SP_OFFSET                4
639
#define ARG_POINTER_CFA_OFFSET(FNDECL)          4
640
#define FRAME_POINTER_CFA_OFFSET(FNDECL)        4
641
 
642
/* Translate -nofpu into -mnofpu so that it gets passed from gcc to cc1.  */
643
#define TARGET_OPTION_TRANSLATE_TABLE \
644
  {"-nofpu", "-mnofpu" }
645
 
646
#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) \
647
  rx_set_optimization_options ()
648
 
649
#define TARGET_USE_FPU          (! TARGET_NO_USE_FPU)
650
 
651
/* This macro is used to decide when RX FPU instructions can be used.  */
652
#define ALLOW_RX_FPU_INSNS      (TARGET_USE_FPU)
653
 
654
#define BRANCH_COST(SPEED, PREDICT)           1
655
#define REGISTER_MOVE_COST(MODE, FROM, TO)    2
656
#define MEMORY_MOVE_COST(MODE, REGCLASS, IN) (2 + memory_move_secondary_cost (MODE, REGCLASS, IN))
657
 
658
#define SELECT_CC_MODE(OP,X,Y)                                          \
659
  (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT ? CC_ZSmode :            \
660
    (GET_CODE (X) == PLUS || GET_CODE (X) == MINUS ? CC_ZSCmode :       \
661
    (GET_CODE (X) == ABS ? CC_ZSOmode :                                 \
662
    (GET_CODE (X) == AND || GET_CODE (X) == NOT || GET_CODE (X) == IOR  \
663
     || GET_CODE (X) == XOR || GET_CODE (X) == ROTATE                   \
664
     || GET_CODE (X) == ROTATERT || GET_CODE (X) == ASHIFTRT            \
665
     || GET_CODE (X) == LSHIFTRT || GET_CODE (X) == ASHIFT ? CC_ZSmode : \
666
     CCmode))))

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