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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [config/] [m32c/] [m32c.h] - Blame information for rev 12

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1 12 jlechner
/* Target Definitions for R8C/M16C/M32C
2
   Copyright (C) 2005
3
   Free Software Foundation, Inc.
4
   Contributed by Red Hat.
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 2, 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 COPYING.  If not, write to the Free
20
   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
21
   02110-1301, USA.  */
22
 
23
#ifndef GCC_M32C_H
24
#define GCC_M32C_H
25
 
26
/* Controlling the Compilation Driver, `gcc'.  */
27
 
28
#undef  STARTFILE_SPEC
29
#define STARTFILE_SPEC "crt0.o%s crtbegin.o%s"
30
 
31
/* There are four CPU series we support, but they basically break down
32
   into two families - the R8C/M16C families, with 16 bit address
33
   registers and one set of opcodes, and the M32CM/M32C group, with 24
34
   bit address registers and a different set of opcodes.  The
35
   assembler doesn't care except for which opcode set is needed; the
36
   big difference is in the memory maps, which we cover in
37
   LIB_SPEC.  */
38
 
39
#undef  ASM_SPEC
40
#define ASM_SPEC "\
41
%{mcpu=r8c:--m16c} \
42
%{mcpu=m16c:--m16c} \
43
%{mcpu=m32cm:--m32c} \
44
%{mcpu=m32c:--m32c} "
45
 
46
/* The default is R8C hardware.  We support a simulator, which has its
47
   own libgloss and link map, plus one default link map for each chip
48
   family.  Most of the logic here is making sure we do the right
49
   thing when no CPU is specified, which defaults to R8C.  */
50
#undef  LIB_SPEC
51
#define LIB_SPEC "-( -lc %{msim*:-lsim}%{!msim*:-lnosys} -) \
52
%{msim*:%{!T*: %{mcpu=m32cm:-Tsim24.ld}%{mcpu=m32c:-Tsim24.ld} \
53
        %{!mcpu=m32cm:%{!mcpu=m32c:-Tsim16.ld}}}} \
54
%{!T*:%{!msim*: %{mcpu=m16c:-Tm16c.ld} \
55
                %{mcpu=m32cm:-Tm32cm.ld} \
56
                %{mcpu=m32c:-Tm32c.ld} \
57
                %{!mcpu=m16c:%{!mcpu=m32cm:%{!mcpu=m32c:-Tr8c.ld}}}}} \
58
"
59
 
60
/* Run-time Target Specification */
61
 
62
/* Nothing unusual here.  */
63
#define TARGET_CPU_CPP_BUILTINS() \
64
  { \
65
    builtin_assert ("cpu=m32c"); \
66
    builtin_assert ("machine=m32c"); \
67
    builtin_define ("__m32c__=1"); \
68
    if (TARGET_R8C) \
69
      builtin_define ("__r8c_cpu__=1"); \
70
    if (TARGET_M16C) \
71
      builtin_define ("__m16c_cpu__=1"); \
72
    if (TARGET_M32CM) \
73
      builtin_define ("__m32cm_cpu__=1"); \
74
    if (TARGET_M32C) \
75
      builtin_define ("__m32c_cpu__=1"); \
76
  }
77
 
78
/* The pragma handlers need to know if we've started processing
79
   functions yet, as the memregs pragma should only be given at the
80
   beginning of the file.  This variable starts off TRUE and later
81
   becomes FALSE.  */
82
extern int ok_to_change_target_memregs;
83
extern int target_memregs;
84
 
85
/* TARGET_CPU is a multi-way option set in m32c.opt.  While we could
86
   use enums or defines for this, this and m32c.opt are the only
87
   places that know (or care) what values are being used.  */
88
#define TARGET_R8C      (target_cpu == 'r')
89
#define TARGET_M16C     (target_cpu == '6')
90
#define TARGET_M32CM    (target_cpu == 'm')
91
#define TARGET_M32C     (target_cpu == '3')
92
 
93
/* Address register sizes.  Warning: these are used all over the place
94
   to select between the two CPU families in general.  */
95
#define TARGET_A16      (TARGET_R8C || TARGET_M16C)
96
#define TARGET_A24      (TARGET_M32CM || TARGET_M32C)
97
 
98
#define TARGET_VERSION fprintf (stderr, " (m32c)");
99
 
100
#define OVERRIDE_OPTIONS m32c_override_options ();
101
 
102
/* Defining data structures for per-function information */
103
 
104
typedef struct machine_function GTY (())
105
{
106
  /* How much we adjust the stack when returning from an exception
107
     handler.  */
108
  rtx eh_stack_adjust;
109
 
110
  /* TRUE if the current function is an interrupt handler.  */
111
  int is_interrupt;
112
 
113
  /* TRUE if the current function is a leaf function.  Currently, this
114
     only affects saving $a0 in interrupt functions.  */
115
  int is_leaf;
116
 
117
  /* Bitmask that keeps track of which registers are used in an
118
     interrupt function, so we know which ones need to be saved and
119
     restored.  */
120
  int intr_pushm;
121
  /* Likewise, one element for each memreg that needs to be saved.  */
122
  char intr_pushmem[16];
123
 
124
  /* TRUE if the current function can use a simple RTS to return, instead
125
     of the longer ENTER/EXIT pair.  */
126
  int use_rts;
127
}
128
machine_function;
129
 
130
#define INIT_EXPANDERS m32c_init_expanders ()
131
 
132
/* Storage Layout */
133
 
134
#define BITS_BIG_ENDIAN 0
135
#define BYTES_BIG_ENDIAN 0
136
#define WORDS_BIG_ENDIAN 0
137
 
138
/* We can do QI, HI, and SI operations pretty much equally well, but
139
   GCC expects us to have a "native" format, so we pick the one that
140
   matches "int".  Pointers are 16 bits for R8C/M16C (when TARGET_A16
141
   is true) and 24 bits for M32CM/M32C (when TARGET_A24 is true), but
142
   24 bit pointers are stored in 32 bit words.  */
143
#define BITS_PER_UNIT 8
144
#define UNITS_PER_WORD 2
145
#define POINTER_SIZE (TARGET_A16 ? 16 : 32)
146
#define POINTERS_EXTEND_UNSIGNED 1
147
 
148
/* These match the alignment enforced by the two types of stack operations.  */
149
#define PARM_BOUNDARY (TARGET_A16 ? 8 : 16)
150
#define STACK_BOUNDARY (TARGET_A16 ? 8 : 16)
151
 
152
/* We do this because we care more about space than about speed.  For
153
   the chips with 16 bit busses, we could set these to 16 if
154
   desired.  */
155
#define FUNCTION_BOUNDARY 8
156
#define BIGGEST_ALIGNMENT 8
157
 
158
#define STRICT_ALIGNMENT 0
159
#define SLOW_BYTE_ACCESS 1
160
 
161
/* Layout of Source Language Data Types */
162
 
163
#define INT_TYPE_SIZE 16
164
#define SHORT_TYPE_SIZE 16
165
#define LONG_TYPE_SIZE 32
166
#define LONG_LONG_TYPE_SIZE 64
167
 
168
#define FLOAT_TYPE_SIZE 32
169
#define DOUBLE_TYPE_SIZE 64
170
#define LONG_DOUBLE_TYPE_SIZE 64
171
 
172
#define DEFAULT_SIGNED_CHAR 1
173
 
174
/* REGISTER USAGE */
175
 
176
/* Register Basics */
177
 
178
/* Register layout:
179
 
180
        [r0h][r0l]  $r0  (16 bits, or two 8 bit halves)
181
        [--------]  $r2  (16 bits)
182
        [r1h][r1l]  $r1  (16 bits, or two 8 bit halves)
183
        [--------]  $r3  (16 bits)
184
   [---][--------]  $a0  (might be 24 bits)
185
   [---][--------]  $a1  (might be 24 bits)
186
   [---][--------]  $sb  (might be 24 bits)
187
   [---][--------]  $fb  (might be 24 bits)
188
   [---][--------]  $sp  (might be 24 bits)
189
   [-------------]  $pc  (20 or 24 bits)
190
             [---]  $flg (CPU flags)
191
   [---][--------]  $argp (virtual)
192
        [--------]  $mem0 (all 16 bits)
193
          . . .
194
        [--------]  $mem14
195
*/
196
 
197
#define FIRST_PSEUDO_REGISTER   20
198
 
199
/* Note that these two tables are modified based on which CPU family
200
   you select; see m32c_conditional_register_usage for details.  */
201
 
202
/* r0 r2 r1 r3 - a0 a1 sb fb - sp pc flg argp - mem0..mem14 */
203
#define FIXED_REGISTERS     { 0, 0, 0, 0, \
204
                              0, 0, 1, 0, \
205
                              1, 1, 0, 1, \
206
                              0, 0, 0, 0, 0, 0, 0, 0 }
207
#define CALL_USED_REGISTERS { 1, 1, 1, 1, \
208
                              1, 1, 1, 0, \
209
                              1, 1, 1, 1, \
210
                              1, 1, 1, 1, 1, 1, 1, 1 }
211
 
212
#define CONDITIONAL_REGISTER_USAGE m32c_conditional_register_usage ();
213
 
214
/* The *_REGNO theme matches m32c.md and most register number
215
   arguments; the PC_REGNUM is the odd one out.  */
216
#ifndef PC_REGNO
217
#define PC_REGNO 9
218
#endif
219
#define PC_REGNUM PC_REGNO
220
 
221
/* How Values Fit in Registers */
222
 
223
#define HARD_REGNO_NREGS(R,M) m32c_hard_regno_nregs (R, M)
224
#define HARD_REGNO_MODE_OK(R,M) m32c_hard_regno_ok (R, M)
225
#define MODES_TIEABLE_P(M1,M2) m32c_modes_tieable_p (M1, M2)
226
#define AVOID_CCMODE_COPIES
227
 
228
/* Register Classes */
229
 
230
/* Most registers are special purpose in some form or another, so this
231
   table is pretty big.  Class names are used for constraints also;
232
   for example the HL_REGS class (HL below) is "Rhl" in the md files.
233
   See m32c_reg_class_from_constraint for the mapping.  There's some
234
   duplication so that we can better isolate the reason for using
235
   constraints in the md files from the actual registers used; for
236
   example we may want to exclude a1a0 from SI_REGS in the future,
237
   without precluding their use as HImode registers.  */
238
 
239
/* m7654 - m3210 - argp flg pc sp - fb sb a1 a0 - r3 r1 r2 r0 */
240
/*       mmPAR */
241
#define REG_CLASS_CONTENTS \
242
{ { 0x00000000 }, /* NO */\
243
  { 0x00000100 }, /* SP  - sp */\
244
  { 0x00000080 }, /* FB  - fb */\
245
  { 0x00000040 }, /* SB  - sb */\
246
  { 0x000001c0 }, /* CR  - sb fb sp */\
247
  { 0x00000001 }, /* R0  - r0 */\
248
  { 0x00000004 }, /* R1  - r1 */\
249
  { 0x00000002 }, /* R2  - r2 */\
250
  { 0x00000008 }, /* R3  - r3 */\
251
  { 0x00000003 }, /* R02 - r0r2 */\
252
  { 0x00000005 }, /* HL  - r0 r1 */\
253
  { 0x00000005 }, /* QI  - r0 r1 */\
254
  { 0x0000000a }, /* R23 - r2 r3 */\
255
  { 0x0000000f }, /* R03 - r0r2 r1r3 */\
256
  { 0x0000000f }, /* DI  - r0r2r1r3 + mems */\
257
  { 0x00000030 }, /* A   - a0 a1 */\
258
  { 0x000000f0 }, /* AD  - a0 a1 sb fp */\
259
  { 0x000001f0 }, /* PS  - a0 a1 sb fp sp */\
260
  { 0x0000003f }, /* SI  - r0r2 r1r3 a0a1 */\
261
  { 0x0000003f }, /* HI  - r0 r1 r2 r3 a0 a1 */\
262
  { 0x0000003f }, /* RA  - r0..r3 a0 a1 */\
263
  { 0x0000007f }, /* GENERAL */\
264
  { 0x00000400 }, /* FLG */\
265
  { 0x000001ff }, /* HC  - r0l r1 r2 r3 a0 a1 sb fb sp */\
266
  { 0x000ff000 }, /* MEM */\
267
  { 0x000ff003 }, /* R02_A_MEM */\
268
  { 0x000ff005 }, /* A_HL_MEM */\
269
  { 0x000ff00c }, /* R1_R3_A_MEM */\
270
  { 0x000ff00f }, /* R03_MEM */\
271
  { 0x000ff03f }, /* A_HI_MEM */\
272
  { 0x000ff0ff }, /* A_AD_CR_MEM_SI */\
273
  { 0x000ff1ff }, /* ALL */\
274
}
275
 
276
enum reg_class
277
{
278
  NO_REGS,
279
  SP_REGS,
280
  FB_REGS,
281
  SB_REGS,
282
  CR_REGS,
283
  R0_REGS,
284
  R1_REGS,
285
  R2_REGS,
286
  R3_REGS,
287
  R02_REGS,
288
  HL_REGS,
289
  QI_REGS,
290
  R23_REGS,
291
  R03_REGS,
292
  DI_REGS,
293
  A_REGS,
294
  AD_REGS,
295
  PS_REGS,
296
  SI_REGS,
297
  HI_REGS,
298
  RA_REGS,
299
  GENERAL_REGS,
300
  FLG_REGS,
301
  HC_REGS,
302
  MEM_REGS,
303
  R02_A_MEM_REGS,
304
  A_HL_MEM_REGS,
305
  R1_R3_A_MEM_REGS,
306
  R03_MEM_REGS,
307
  A_HI_MEM_REGS,
308
  A_AD_CR_MEM_SI_REGS,
309
  ALL_REGS,
310
  LIM_REG_CLASSES
311
};
312
 
313
#define N_REG_CLASSES LIM_REG_CLASSES
314
 
315
#define REG_CLASS_NAMES {\
316
"NO_REGS", \
317
"SP_REGS", \
318
"FB_REGS", \
319
"SB_REGS", \
320
"CR_REGS", \
321
"R0_REGS", \
322
"R1_REGS", \
323
"R2_REGS", \
324
"R3_REGS", \
325
"R02_REGS", \
326
"HL_REGS", \
327
"QI_REGS", \
328
"R23_REGS", \
329
"R03_REGS", \
330
"DI_REGS", \
331
"A_REGS", \
332
"AD_REGS", \
333
"PS_REGS", \
334
"SI_REGS", \
335
"HI_REGS", \
336
"RA_REGS", \
337
"GENERAL_REGS", \
338
"FLG_REGS", \
339
"HC_REGS", \
340
"MEM_REGS", \
341
"R02_A_MEM_REGS", \
342
"A_HL_MEM_REGS", \
343
"R1_R3_A_MEM_REGS", \
344
"R03_MEM_REGS", \
345
"A_HI_MEM_REGS", \
346
"A_AD_CR_MEM_SI_REGS", \
347
"ALL_REGS", \
348
}
349
 
350
#define REGNO_REG_CLASS(R) m32c_regno_reg_class (R)
351
 
352
/* We support simple displacements off address registers, nothing else.  */
353
#define BASE_REG_CLASS A_REGS
354
#define INDEX_REG_CLASS NO_REGS
355
 
356
/* We primarily use the new "long" constraint names, with the initial
357
   letter classifying the constraint type and following letters
358
   specifying which.  The types are:
359
 
360
   I - integer values
361
   R - register classes
362
   S - memory references (M was used)
363
   A - addresses (currently unused)
364
*/
365
 
366
#define CONSTRAINT_LEN(CHAR,STR) \
367
        ((CHAR) == 'I' ? 3 \
368
         : (CHAR) == 'R' ? 3 \
369
         : (CHAR) == 'S' ? 2 \
370
         : (CHAR) == 'A' ? 2 \
371
         : DEFAULT_CONSTRAINT_LEN(CHAR,STR))
372
#define REG_CLASS_FROM_CONSTRAINT(CHAR,STR) \
373
        m32c_reg_class_from_constraint (CHAR, STR)
374
 
375
#define REGNO_OK_FOR_BASE_P(NUM) m32c_regno_ok_for_base_p (NUM)
376
#define REGNO_OK_FOR_INDEX_P(NUM) 0
377
 
378
#define PREFERRED_RELOAD_CLASS(X,CLASS) m32c_preferred_reload_class (X, CLASS)
379
#define PREFERRED_OUTPUT_RELOAD_CLASS(X,CLASS) m32c_preferred_output_reload_class (X, CLASS)
380
#define LIMIT_RELOAD_CLASS(MODE,CLASS) m32c_limit_reload_class (MODE, CLASS)
381
 
382
#define SECONDARY_RELOAD_CLASS(CLASS,MODE,X) m32c_secondary_reload_class (CLASS, MODE, X)
383
 
384
#define SMALL_REGISTER_CLASSES 1
385
 
386
#define CLASS_LIKELY_SPILLED_P(C) m32c_class_likely_spilled_p (C)
387
 
388
#define CLASS_MAX_NREGS(C,M) m32c_class_max_nregs (C, M)
389
 
390
#define CANNOT_CHANGE_MODE_CLASS(F,T,C) m32c_cannot_change_mode_class(F,T,C)
391
 
392
#define CONST_OK_FOR_CONSTRAINT_P(VALUE,C,STR) \
393
        m32c_const_ok_for_constraint_p (VALUE, C, STR)
394
#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(VALUE,C,STR) 0
395
#define EXTRA_CONSTRAINT_STR(VALUE,C,STR) \
396
        m32c_extra_constraint_p (VALUE, C, STR)
397
#define EXTRA_MEMORY_CONSTRAINT(C,STR) \
398
        m32c_extra_memory_constraint (C, STR)
399
#define EXTRA_ADDRESS_CONSTRAINT(C,STR) \
400
        m32c_extra_address_constraint (C, STR)
401
 
402
/* STACK AND CALLING */
403
 
404
/* Frame Layout */
405
 
406
/* Standard push/pop stack, no surprises here.  */
407
 
408
#define STACK_GROWS_DOWNWARD 1
409
#define STACK_PUSH_CODE PRE_DEC
410
#define FRAME_GROWS_DOWNWARD 1
411
 
412
#define STARTING_FRAME_OFFSET 0
413
#define FIRST_PARM_OFFSET(F) 0
414
 
415
#define RETURN_ADDR_RTX(COUNT,FA) m32c_return_addr_rtx (COUNT)
416
 
417
#define INCOMING_RETURN_ADDR_RTX m32c_incoming_return_addr_rtx()
418
#define INCOMING_FRAME_SP_OFFSET 3
419
 
420
/* Exception Handling Support */
421
 
422
#define EH_RETURN_DATA_REGNO(N) m32c_eh_return_data_regno (N)
423
#define EH_RETURN_STACKADJ_RTX m32c_eh_return_stackadj_rtx ()
424
 
425
/* Registers That Address the Stack Frame */
426
 
427
#ifndef FP_REGNO
428
#define FP_REGNO 7
429
#endif
430
#ifndef SP_REGNO
431
#define SP_REGNO 8
432
#endif
433
#define AP_REGNO 11
434
 
435
#define STACK_POINTER_REGNUM    SP_REGNO
436
#define FRAME_POINTER_REGNUM    FP_REGNO
437
#define ARG_POINTER_REGNUM      AP_REGNO
438
 
439
/* The static chain must be pointer-capable.  */
440
#define STATIC_CHAIN_REGNUM A0_REGNO
441
 
442
#define DWARF_FRAME_REGISTERS 20
443
#define DWARF_FRAME_REGNUM(N) m32c_dwarf_frame_regnum (N)
444
#define DBX_REGISTER_NUMBER(N) m32c_dwarf_frame_regnum (N)
445
 
446
/* Eliminating Frame Pointer and Arg Pointer */
447
 
448
/* If the frame pointer isn't used, we detect it manually.  But the
449
   stack pointer doesn't have as flexible addressing as the frame
450
   pointer, so we always assume we have it.  */
451
#define FRAME_POINTER_REQUIRED 1
452
 
453
#define ELIMINABLE_REGS \
454
  {{AP_REGNO, SP_REGNO}, \
455
   {AP_REGNO, FB_REGNO}, \
456
   {FB_REGNO, SP_REGNO}}
457
 
458
#define CAN_ELIMINATE(FROM,TO) 1
459
#define INITIAL_ELIMINATION_OFFSET(FROM,TO,VAR) \
460
        (VAR) = m32c_initial_elimination_offset(FROM,TO)
461
 
462
/* Passing Function Arguments on the Stack */
463
 
464
#define PUSH_ARGS 1
465
#define PUSH_ROUNDING(N) m32c_push_rounding (N)
466
#define RETURN_POPS_ARGS(D,T,S) 0
467
#define CALL_POPS_ARGS(C) 0
468
 
469
/* Passing Arguments in Registers */
470
 
471
#define FUNCTION_ARG(CA,MODE,TYPE,NAMED) \
472
        m32c_function_arg (&(CA),MODE,TYPE,NAMED)
473
 
474
typedef struct m32c_cumulative_args
475
{
476
  /* For address of return value buffer (structures are returned by
477
     passing the address of a buffer as an invisible first argument.
478
     This identifies it).  If set, the current parameter will be put
479
     on the stack, regardless of type.  */
480
  int force_mem;
481
  /* First parm is 1, parm 0 is hidden pointer for returning
482
     aggregates.  */
483
  int parm_num;
484
} m32c_cumulative_args;
485
 
486
#define CUMULATIVE_ARGS m32c_cumulative_args
487
#define INIT_CUMULATIVE_ARGS(CA,FNTYPE,LIBNAME,FNDECL,N_NAMED_ARGS) \
488
        m32c_init_cumulative_args (&(CA),FNTYPE,LIBNAME,FNDECL,N_NAMED_ARGS)
489
#define FUNCTION_ARG_ADVANCE(CA,MODE,TYPE,NAMED) \
490
        m32c_function_arg_advance (&(CA),MODE,TYPE,NAMED)
491
#define FUNCTION_ARG_BOUNDARY(MODE,TYPE) (TARGET_A16 ? 8 : 16)
492
#define FUNCTION_ARG_REGNO_P(r) m32c_function_arg_regno_p (r)
493
 
494
/* How Scalar Function Values Are Returned */
495
 
496
#define FUNCTION_VALUE(VT,F) m32c_function_value (VT, F)
497
#define LIBCALL_VALUE(MODE) m32c_libcall_value (MODE)
498
 
499
#define FUNCTION_VALUE_REGNO_P(r) ((r) == R0_REGNO || (r) == MEM0_REGNO)
500
 
501
/* How Large Values Are Returned */
502
 
503
#define DEFAULT_PCC_STRUCT_RETURN 1
504
 
505
/* Function Entry and Exit */
506
 
507
#define EXIT_IGNORE_STACK 0
508
#define EPILOGUE_USES(REGNO) m32c_epilogue_uses(REGNO)
509
#define EH_USES(REGNO) 0        /* FIXME */
510
 
511
/* Generating Code for Profiling */
512
 
513
#define FUNCTION_PROFILER(FILE,LABELNO)
514
 
515
/* Implementing the Varargs Macros */
516
 
517
/* Trampolines for Nested Functions */
518
 
519
#define TRAMPOLINE_SIZE m32c_trampoline_size ()
520
#define TRAMPOLINE_ALIGNMENT m32c_trampoline_alignment ()
521
#define INITIALIZE_TRAMPOLINE(a,fn,sc) m32c_initialize_trampoline (a, fn, sc)
522
 
523
/* Addressing Modes */
524
 
525
#define HAVE_PRE_DECREMENT 1
526
#define HAVE_POST_INCREMENT 1
527
#define CONSTANT_ADDRESS_P(X) CONSTANT_P(X)
528
#define MAX_REGS_PER_ADDRESS 1
529
 
530
/* This is passed to the macros below, so that they can be implemented
531
   in m32c.c.  */
532
#ifdef REG_OK_STRICT
533
#define REG_OK_STRICT_V 1
534
#else
535
#define REG_OK_STRICT_V 0
536
#endif
537
 
538
#define GO_IF_LEGITIMATE_ADDRESS(MODE,X,LABEL) \
539
        if (m32c_legitimate_address_p (MODE, X, REG_OK_STRICT_V)) \
540
          goto LABEL;
541
 
542
#define REG_OK_FOR_BASE_P(X) m32c_reg_ok_for_base_p (X, REG_OK_STRICT_V)
543
#define REG_OK_FOR_INDEX_P(X) 0
544
 
545
/* #define FIND_BASE_TERM(X) when we do unspecs for symrefs */
546
 
547
#define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN) \
548
        if (m32c_legitimize_address(&(X),OLDX,MODE)) \
549
          goto win;
550
 
551
#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
552
        if (m32c_legitimize_reload_address(&(X),MODE,OPNUM,TYPE,IND_LEVELS)) \
553
          goto win;
554
 
555
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
556
        if (m32c_mode_dependent_address (ADDR)) \
557
          goto LABEL;
558
 
559
#define LEGITIMATE_CONSTANT_P(X) m32c_legitimate_constant_p (X)
560
 
561
/* Condition Code Status */
562
 
563
#define REVERSIBLE_CC_MODE(MODE) 1
564
 
565
/* Describing Relative Costs of Operations */
566
 
567
#define REGISTER_MOVE_COST(MODE,FROM,TO) \
568
        m32c_register_move_cost (MODE, FROM, TO)
569
#define MEMORY_MOVE_COST(MODE,CLASS,IN) \
570
        m32c_memory_move_cost (MODE, CLASS, IN)
571
 
572
/* Dividing the Output into Sections (Texts, Data, ...) */
573
 
574
#define TEXT_SECTION_ASM_OP ".text"
575
#define DATA_SECTION_ASM_OP ".data"
576
#define BSS_SECTION_ASM_OP ".bss"
577
 
578
/* The Overall Framework of an Assembler File */
579
 
580
#define ASM_COMMENT_START ";"
581
#define ASM_APP_ON ""
582
#define ASM_APP_OFF ""
583
 
584
/* Output and Generation of Labels */
585
 
586
#define GLOBAL_ASM_OP "\t.global\t"
587
 
588
/* Output of Assembler Instructions */
589
 
590
#define REGISTER_NAMES {        \
591
  "r0", "r2", "r1", "r3", \
592
  "a0", "a1", "sb", "fb", "sp", \
593
  "pc", "flg", "argp", \
594
  "mem0",  "mem2",  "mem4",  "mem6",  "mem8",  "mem10",  "mem12",  "mem14", \
595
}
596
 
597
#define ADDITIONAL_REGISTER_NAMES { \
598
  {"r0l", 0}, \
599
  {"r1l", 2}, \
600
  {"r0r2", 0}, \
601
  {"r1r3", 2}, \
602
  {"a0a1", 4}, \
603
  {"r0r2r1r3", 0} }
604
 
605
#define PRINT_OPERAND(S,X,C) m32c_print_operand (S, X, C)
606
#define PRINT_OPERAND_PUNCT_VALID_P(C) m32c_print_operand_punct_valid_p (C)
607
#define PRINT_OPERAND_ADDRESS(S,X) m32c_print_operand_address (S, X)
608
 
609
#undef USER_LABEL_PREFIX
610
#define USER_LABEL_PREFIX "_"
611
 
612
#define ASM_OUTPUT_REG_PUSH(S,R) m32c_output_reg_push (S, R)
613
#define ASM_OUTPUT_REG_POP(S,R) m32c_output_reg_pop (S, R)
614
 
615
/* Output of Dispatch Tables */
616
 
617
#define ASM_OUTPUT_ADDR_VEC_ELT(S,V) \
618
        fprintf (S, "\t.word L%d\n", V)
619
 
620
/* Assembler Commands for Exception Regions */
621
 
622
#define DWARF_CIE_DATA_ALIGNMENT -1
623
 
624
/* Assembler Commands for Alignment */
625
 
626
#define ASM_OUTPUT_ALIGN(STREAM,POWER) \
627
        fprintf (STREAM, "\t.p2align\t%d\n", POWER);
628
 
629
/* Controlling Debugging Information Format */
630
 
631
#define DWARF2_ADDR_SIZE        4
632
 
633
/* Miscellaneous Parameters */
634
 
635
#define HAS_LONG_COND_BRANCH false
636
#define HAS_LONG_UNCOND_BRANCH true
637
#define CASE_VECTOR_MODE SImode
638
#define LOAD_EXTEND_OP(MEM) ZERO_EXTEND
639
 
640
#define MOVE_MAX 4
641
#define TRULY_NOOP_TRUNCATION(op,ip) 1
642
 
643
/* 16 or 24 bit pointers */
644
#define Pmode (TARGET_A16 ? HImode : PSImode)
645
#define FUNCTION_MODE QImode
646
 
647
#define REGISTER_TARGET_PRAGMAS() m32c_register_pragmas()
648
 
649
#endif

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