OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [defaults.h] - Blame information for rev 729

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 684 jeremybenn 
/* Definitions of various defaults for tm.h macros.
2 
   Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 
   2005, 2007, 2008, 2009, 2010, 2011
4 
   Free Software Foundation, Inc.
5 
   Contributed by Ron Guilmette (rfg@monkeys.com)
6 
 
7 
This file is part of GCC.
8 
 
9 
GCC is free software; you can redistribute it and/or modify it under
10 
the terms of the GNU General Public License as published by the Free
11 
Software Foundation; either version 3, or (at your option) any later
12 
version.
13 
 
14 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 
WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
17 
for more details.
18 
 
19 
Under Section 7 of GPL version 3, you are granted additional
20 
permissions described in the GCC Runtime Library Exception, version
21 
3.1, as published by the Free Software Foundation.
22 
 
23 
You should have received a copy of the GNU General Public License and
24 
a copy of the GCC Runtime Library Exception along with this program;
25 
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
26 
<http://www.gnu.org/licenses/>.  */
27 
 
28 
#ifndef GCC_DEFAULTS_H
29 
#define GCC_DEFAULTS_H
30 
 
31 
/* How to start an assembler comment.  */
32 
#ifndef ASM_COMMENT_START
33 
#define ASM_COMMENT_START ";#"
34 
#endif
35 
 
36 
/* Store in OUTPUT a string (made with alloca) containing an
37 
   assembler-name for a local static variable or function named NAME.
38 
   LABELNO is an integer which is different for each call.  */
39 
 
40 
#ifndef ASM_PN_FORMAT
41 
# ifndef NO_DOT_IN_LABEL
42 
#  define ASM_PN_FORMAT "%s.%lu"
43 
# else
44 
#  ifndef NO_DOLLAR_IN_LABEL
45 
#   define ASM_PN_FORMAT "%s$%lu"
46 
#  else
47 
#   define ASM_PN_FORMAT "__%s_%lu"
48 
#  endif
49 
# endif
50 
#endif /* ! ASM_PN_FORMAT */
51 
 
52 
#ifndef ASM_FORMAT_PRIVATE_NAME
53 
# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
54 
  do { const char *const name_ = (NAME); \
55 
       char *const output_ = (OUTPUT) = \
56 
         (char *) alloca (strlen (name_) + 32); \
57 
       sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
58 
  } while (0)
59 
#endif
60 
 
61 
/* Choose a reasonable default for ASM_OUTPUT_ASCII.  */
62 
 
63 
#ifndef ASM_OUTPUT_ASCII
64 
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
65 
  do {                                                                        \
66 
    FILE *_hide_asm_out_file = (MYFILE);                                      \
67 
    const unsigned char *_hide_p = (const unsigned char *) (MYSTRING);        \
68 
    int _hide_thissize = (MYLENGTH);                                          \
69 
    {                                                                         \
70 
      FILE *asm_out_file = _hide_asm_out_file;                                \
71 
      const unsigned char *p = _hide_p;                                       \
72 
      int thissize = _hide_thissize;                                          \
73 
      int i;                                                                  \
74 
      fprintf (asm_out_file, "\t.ascii \"");                                  \
75 
                                                                              \
76 
      for (i = 0; i < thissize; i++)                                           \
77 
        {                                                                     \
78 
          int c = p[i];                                                       \
79 
          if (c == '\"' || c == '\\')                                         \
80 
            putc ('\\', asm_out_file);                                        \
81 
          if (ISPRINT(c))                                                     \
82 
            putc (c, asm_out_file);                                           \
83 
          else                                                                \
84 
            {                                                                 \
85 
              fprintf (asm_out_file, "\\%o", c);                              \
86 
              /* After an octal-escape, if a digit follows,                   \
87 
                 terminate one string constant and start another.             \
88 
                 The VAX assembler fails to stop reading the escape           \
89 
                 after three digits, so this is the only way we               \
90 
                 can get it to parse the data properly.  */                   \
91 
              if (i < thissize - 1 && ISDIGIT(p[i + 1]))                      \
92 
                fprintf (asm_out_file, "\"\n\t.ascii \"");                    \
93 
          }                                                                   \
94 
        }                                                                     \
95 
      fprintf (asm_out_file, "\"\n");                                         \
96 
    }                                                                         \
97 
  }                                                                           \
98 
  while (0)
99 
#endif
100 
 
101 
/* This is how we tell the assembler to equate two values.  */
102 
#ifdef SET_ASM_OP
103 
#ifndef ASM_OUTPUT_DEF
104 
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
105 
 do {   fprintf ((FILE), "%s", SET_ASM_OP);                             \
106 
        assemble_name (FILE, LABEL1);                                   \
107 
        fprintf (FILE, ",");                                            \
108 
        assemble_name (FILE, LABEL2);                                   \
109 
        fprintf (FILE, "\n");                                           \
110 
  } while (0)
111 
#endif
112 
#endif
113 
 
114 
#ifndef IFUNC_ASM_TYPE
115 
#define IFUNC_ASM_TYPE "gnu_indirect_function"
116 
#endif
117 
 
118 
#ifndef TLS_COMMON_ASM_OP
119 
#define TLS_COMMON_ASM_OP ".tls_common"
120 
#endif
121 
 
122 
#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
123 
#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE)                   \
124 
  do                                                                    \
125 
    {                                                                   \
126 
      fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP);                    \
127 
      assemble_name ((FILE), (NAME));                                   \
128 
      fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",          \
129 
               (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT);              \
130 
    }                                                                   \
131 
  while (0)
132 
#endif
133 
 
134 
/* Decide whether to defer emitting the assembler output for an equate
135 
   of two values.  The default is to not defer output.  */
136 
#ifndef TARGET_DEFERRED_OUTPUT_DEFS
137 
#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false
138 
#endif
139 
 
140 
/* This is how to output the definition of a user-level label named
141 
   NAME, such as the label on variable NAME.  */
142 
 
143 
#ifndef ASM_OUTPUT_LABEL
144 
#define ASM_OUTPUT_LABEL(FILE,NAME) \
145 
  do {                                          \
146 
    assemble_name ((FILE), (NAME));             \
147 
    fputs (":\n", (FILE));                      \
148 
  } while (0)
149 
#endif
150 
 
151 
/* This is how to output the definition of a user-level label named
152 
   NAME, such as the label on a function.  */
153 
 
154 
#ifndef ASM_OUTPUT_FUNCTION_LABEL
155 
#define ASM_OUTPUT_FUNCTION_LABEL(FILE, NAME, DECL) \
156 
  ASM_OUTPUT_LABEL ((FILE), (NAME))
157 
#endif
158 
 
159 
/* Output the definition of a compiler-generated label named NAME.  */
160 
#ifndef ASM_OUTPUT_INTERNAL_LABEL
161 
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME)    \
162 
  do {                                          \
163 
    assemble_name_raw ((FILE), (NAME));         \
164 
    fputs (":\n", (FILE));                      \
165 
  } while (0)
166 
#endif
167 
 
168 
/* This is how to output a reference to a user-level label named NAME.  */
169 
 
170 
#ifndef ASM_OUTPUT_LABELREF
171 
#define ASM_OUTPUT_LABELREF(FILE,NAME)  \
172 
  do {                                                  \
173 
    fputs (user_label_prefix, (FILE));                  \
174 
    fputs ((NAME), (FILE));                             \
175 
  } while (0);
176 
#endif
177 
 
178 
/* Allow target to print debug info labels specially.  This is useful for
179 
   VLIW targets, since debug info labels should go into the middle of
180 
   instruction bundles instead of breaking them.  */
181 
 
182 
#ifndef ASM_OUTPUT_DEBUG_LABEL
183 
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
184 
  (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
185 
#endif
186 
 
187 
/* This is how we tell the assembler that a symbol is weak.  */
188 
#ifndef ASM_OUTPUT_WEAK_ALIAS
189 
#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
190 
#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE)      \
191 
  do                                                    \
192 
    {                                                   \
193 
      ASM_WEAKEN_LABEL (STREAM, NAME);                  \
194 
      if (VALUE)                                        \
195 
        ASM_OUTPUT_DEF (STREAM, NAME, VALUE);           \
196 
    }                                                   \
197 
  while (0)
198 
#endif
199 
#endif
200 
 
201 
/* This is how we tell the assembler that a symbol is a weak alias to
202 
   another symbol that doesn't require the other symbol to be defined.
203 
   Uses of the former will turn into weak uses of the latter, i.e.,
204 
   uses that, in case the latter is undefined, will not cause errors,
205 
   and will add it to the symbol table as weak undefined.  However, if
206 
   the latter is referenced directly, a strong reference prevails.  */
207 
#ifndef ASM_OUTPUT_WEAKREF
208 
#if defined HAVE_GAS_WEAKREF
209 
#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE)                     \
210 
  do                                                                    \
211 
    {                                                                   \
212 
      fprintf ((FILE), "\t.weakref\t");                                 \
213 
      assemble_name ((FILE), (NAME));                                   \
214 
      fprintf ((FILE), ",");                                            \
215 
      assemble_name ((FILE), (VALUE));                                  \
216 
      fprintf ((FILE), "\n");                                           \
217 
    }                                                                   \
218 
  while (0)
219 
#endif
220 
#endif
221 
 
222 
/* How to emit a .type directive.  */
223 
#ifndef ASM_OUTPUT_TYPE_DIRECTIVE
224 
#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
225 
#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)   \
226 
  do                                                    \
227 
    {                                                   \
228 
      fputs (TYPE_ASM_OP, STREAM);                      \
229 
      assemble_name (STREAM, NAME);                     \
230 
      fputs (", ", STREAM);                             \
231 
      fprintf (STREAM, TYPE_OPERAND_FMT, TYPE);         \
232 
      putc ('\n', STREAM);                              \
233 
    }                                                   \
234 
  while (0)
235 
#endif
236 
#endif
237 
 
238 
/* How to emit a .size directive.  */
239 
#ifndef ASM_OUTPUT_SIZE_DIRECTIVE
240 
#ifdef SIZE_ASM_OP
241 
#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE)   \
242 
  do                                                    \
243 
    {                                                   \
244 
      HOST_WIDE_INT size_ = (SIZE);                     \
245 
      fputs (SIZE_ASM_OP, STREAM);                      \
246 
      assemble_name (STREAM, NAME);                     \
247 
      fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
248 
    }                                                   \
249 
  while (0)
250 
 
251 
#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME)          \
252 
  do                                                    \
253 
    {                                                   \
254 
      fputs (SIZE_ASM_OP, STREAM);                      \
255 
      assemble_name (STREAM, NAME);                     \
256 
      fputs (", .-", STREAM);                           \
257 
      assemble_name (STREAM, NAME);                     \
258 
      putc ('\n', STREAM);                              \
259 
    }                                                   \
260 
  while (0)
261 
 
262 
#endif
263 
#endif
264 
 
265 
/* This determines whether or not we support weak symbols.  SUPPORTS_WEAK
266 
   must be a preprocessor constant.  */
267 
#ifndef SUPPORTS_WEAK
268 
#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
269 
#define SUPPORTS_WEAK 1
270 
#else
271 
#define SUPPORTS_WEAK 0
272 
#endif
273 
#endif
274 
 
275 
/* This determines whether or not we support weak symbols during target
276 
   code generation.  TARGET_SUPPORTS_WEAK can be any valid C expression.  */
277 
#ifndef TARGET_SUPPORTS_WEAK
278 
#define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK)
279 
#endif
280 
 
281 
/* This determines whether or not we support the discriminator
282 
   attribute in the .loc directive.  */
283 
#ifndef SUPPORTS_DISCRIMINATOR
284 
#ifdef HAVE_GAS_DISCRIMINATOR
285 
#define SUPPORTS_DISCRIMINATOR 1
286 
#else
287 
#define SUPPORTS_DISCRIMINATOR 0
288 
#endif
289 
#endif
290 
 
291 
/* This determines whether or not we support link-once semantics.  */
292 
#ifndef SUPPORTS_ONE_ONLY
293 
#ifdef MAKE_DECL_ONE_ONLY
294 
#define SUPPORTS_ONE_ONLY 1
295 
#else
296 
#define SUPPORTS_ONE_ONLY 0
297 
#endif
298 
#endif
299 
 
300 
/* This determines whether weak symbols must be left out of a static
301 
   archive's table of contents.  Defining this macro to be nonzero has
302 
   the consequence that certain symbols will not be made weak that
303 
   otherwise would be.  The C++ ABI requires this macro to be zero;
304 
   see the documentation.  */
305 
#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
306 
#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0
307 
#endif
308 
 
309 
/* This determines whether or not we need linkonce unwind information.  */
310 
#ifndef TARGET_USES_WEAK_UNWIND_INFO
311 
#define TARGET_USES_WEAK_UNWIND_INFO 0
312 
#endif
313 
 
314 
/* By default, there is no prefix on user-defined symbols.  */
315 
#ifndef USER_LABEL_PREFIX
316 
#define USER_LABEL_PREFIX ""
317 
#endif
318 
 
319 
/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
320 
   provide a weak attribute.  Else define it to nothing.
321 
 
322 
   This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
323 
   not available at that time.
324 
 
325 
   Note, this is only for use by target files which we know are to be
326 
   compiled by GCC.  */
327 
#ifndef TARGET_ATTRIBUTE_WEAK
328 
# if SUPPORTS_WEAK
329 
#  define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak))
330 
# else
331 
#  define TARGET_ATTRIBUTE_WEAK
332 
# endif
333 
#endif
334 
 
335 
/* Determines whether we may use common symbols to represent one-only
336 
   semantics (a.k.a. "vague linkage").  */
337 
#ifndef USE_COMMON_FOR_ONE_ONLY
338 
# define USE_COMMON_FOR_ONE_ONLY 1
339 
#endif
340 
 
341 
/* By default we can assume that all global symbols are in one namespace,
342 
   across all shared libraries.  */
343 
#ifndef MULTIPLE_SYMBOL_SPACES
344 
# define MULTIPLE_SYMBOL_SPACES 0
345 
#endif
346 
 
347 
/* If the target supports init_priority C++ attribute, give
348 
   SUPPORTS_INIT_PRIORITY a nonzero value.  */
349 
#ifndef SUPPORTS_INIT_PRIORITY
350 
#define SUPPORTS_INIT_PRIORITY 1
351 
#endif /* SUPPORTS_INIT_PRIORITY */
352 
 
353 
/* If duplicate library search directories can be removed from a
354 
   linker command without changing the linker's semantics, give this
355 
   symbol a nonzero.  */
356 
#ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
357 
#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0
358 
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
359 
 
360 
/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
361 
   the rest of the DWARF 2 frame unwind support is also provided.  */
362 
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
363 
#define DWARF2_UNWIND_INFO 1
364 
#endif
365 
 
366 
/* If we have named sections, and we're using crtstuff to run ctors,
367 
   use them for registering eh frame information.  */
368 
#if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \
369 
    && !defined(EH_FRAME_IN_DATA_SECTION)
370 
#ifndef EH_FRAME_SECTION_NAME
371 
#define EH_FRAME_SECTION_NAME ".eh_frame"
372 
#endif
373 
#endif
374 
 
375 
/* On many systems, different EH table encodings are used under
376 
   difference circumstances.  Some will require runtime relocations;
377 
   some will not.  For those that do not require runtime relocations,
378 
   we would like to make the table read-only.  However, since the
379 
   read-only tables may need to be combined with read-write tables
380 
   that do require runtime relocation, it is not safe to make the
381 
   tables read-only unless the linker will merge read-only and
382 
   read-write sections into a single read-write section.  If your
383 
   linker does not have this ability, but your system is such that no
384 
   encoding used with non-PIC code will ever require a runtime
385 
   relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in
386 
   your target configuration file.  */
387 
#ifndef EH_TABLES_CAN_BE_READ_ONLY
388 
#ifdef HAVE_LD_RO_RW_SECTION_MIXING
389 
#define EH_TABLES_CAN_BE_READ_ONLY 1
390 
#else
391 
#define EH_TABLES_CAN_BE_READ_ONLY 0
392 
#endif
393 
#endif
394 
 
395 
/* If we have named section and we support weak symbols, then use the
396 
   .jcr section for recording java classes which need to be registered
397 
   at program start-up time.  */
398 
#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
399 
#ifndef JCR_SECTION_NAME
400 
#define JCR_SECTION_NAME ".jcr"
401 
#endif
402 
#endif
403 
 
404 
/* This decision to use a .jcr section can be overridden by defining
405 
   USE_JCR_SECTION to 0 in target file.  This is necessary if target
406 
   can define JCR_SECTION_NAME but does not have crtstuff or
407 
   linker support for .jcr section.  */
408 
#ifndef TARGET_USE_JCR_SECTION
409 
#ifdef JCR_SECTION_NAME
410 
#define TARGET_USE_JCR_SECTION 1
411 
#else
412 
#define TARGET_USE_JCR_SECTION 0
413 
#endif
414 
#endif
415 
 
416 
/* Number of hardware registers that go into the DWARF-2 unwind info.
417 
   If not defined, equals FIRST_PSEUDO_REGISTER  */
418 
 
419 
#ifndef DWARF_FRAME_REGISTERS
420 
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
421 
#endif
422 
 
423 
/* Offsets recorded in opcodes are a multiple of this alignment factor.  */
424 
#ifndef DWARF_CIE_DATA_ALIGNMENT
425 
#ifdef STACK_GROWS_DOWNWARD
426 
#define DWARF_CIE_DATA_ALIGNMENT (-((int) UNITS_PER_WORD))
427 
#else
428 
#define DWARF_CIE_DATA_ALIGNMENT ((int) UNITS_PER_WORD)
429 
#endif
430 
#endif
431 
 
432 
/* The DWARF 2 CFA column which tracks the return address.  Normally this
433 
   is the column for PC, or the first column after all of the hard
434 
   registers.  */
435 
#ifndef DWARF_FRAME_RETURN_COLUMN
436 
#ifdef PC_REGNUM
437 
#define DWARF_FRAME_RETURN_COLUMN       DWARF_FRAME_REGNUM (PC_REGNUM)
438 
#else
439 
#define DWARF_FRAME_RETURN_COLUMN       DWARF_FRAME_REGISTERS
440 
#endif
441 
#endif
442 
 
443 
/* How to renumber registers for dbx and gdb.  If not defined, assume
444 
   no renumbering is necessary.  */
445 
 
446 
#ifndef DBX_REGISTER_NUMBER
447 
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
448 
#endif
449 
 
450 
/* The mapping from gcc register number to DWARF 2 CFA column number.
451 
   By default, we just provide columns for all registers.  */
452 
#ifndef DWARF_FRAME_REGNUM
453 
#define DWARF_FRAME_REGNUM(REG) DBX_REGISTER_NUMBER (REG)
454 
#endif
455 
 
456 
/* Map register numbers held in the call frame info that gcc has
457 
   collected using DWARF_FRAME_REGNUM to those that should be output in
458 
   .debug_frame and .eh_frame.  */
459 
#ifndef DWARF2_FRAME_REG_OUT
460 
#define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) (REGNO)
461 
#endif
462 
 
463 
/* The size of addresses as they appear in the Dwarf 2 data.
464 
   Some architectures use word addresses to refer to code locations,
465 
   but Dwarf 2 info always uses byte addresses.  On such machines,
466 
   Dwarf 2 addresses need to be larger than the architecture's
467 
   pointers.  */
468 
#ifndef DWARF2_ADDR_SIZE
469 
#define DWARF2_ADDR_SIZE (POINTER_SIZE / BITS_PER_UNIT)
470 
#endif
471 
 
472 
/* The size in bytes of a DWARF field indicating an offset or length
473 
   relative to a debug info section, specified to be 4 bytes in the
474 
   DWARF-2 specification.  The SGI/MIPS ABI defines it to be the same
475 
   as PTR_SIZE.  */
476 
#ifndef DWARF_OFFSET_SIZE
477 
#define DWARF_OFFSET_SIZE 4
478 
#endif
479 
 
480 
/* The size in bytes of a DWARF 4 type signature.  */
481 
#ifndef DWARF_TYPE_SIGNATURE_SIZE
482 
#define DWARF_TYPE_SIGNATURE_SIZE 8
483 
#endif
484 
 
485 
/* Default sizes for base C types.  If the sizes are different for
486 
   your target, you should override these values by defining the
487 
   appropriate symbols in your tm.h file.  */
488 
 
489 
#ifndef BITS_PER_UNIT
490 
#define BITS_PER_UNIT 8
491 
#endif
492 
 
493 
#ifndef BITS_PER_WORD
494 
#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
495 
#endif
496 
 
497 
#ifndef CHAR_TYPE_SIZE
498 
#define CHAR_TYPE_SIZE BITS_PER_UNIT
499 
#endif
500 
 
501 
#ifndef BOOL_TYPE_SIZE
502 
/* `bool' has size and alignment `1', on almost all platforms.  */
503 
#define BOOL_TYPE_SIZE CHAR_TYPE_SIZE
504 
#endif
505 
 
506 
#ifndef SHORT_TYPE_SIZE
507 
#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
508 
#endif
509 
 
510 
#ifndef INT_TYPE_SIZE
511 
#define INT_TYPE_SIZE BITS_PER_WORD
512 
#endif
513 
 
514 
#ifndef LONG_TYPE_SIZE
515 
#define LONG_TYPE_SIZE BITS_PER_WORD
516 
#endif
517 
 
518 
#ifndef LONG_LONG_TYPE_SIZE
519 
#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
520 
#endif
521 
 
522 
#ifndef WCHAR_TYPE_SIZE
523 
#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
524 
#endif
525 
 
526 
#ifndef FLOAT_TYPE_SIZE
527 
#define FLOAT_TYPE_SIZE BITS_PER_WORD
528 
#endif
529 
 
530 
#ifndef DOUBLE_TYPE_SIZE
531 
#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
532 
#endif
533 
 
534 
#ifndef LONG_DOUBLE_TYPE_SIZE
535 
#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
536 
#endif
537 
 
538 
#ifndef DECIMAL32_TYPE_SIZE
539 
#define DECIMAL32_TYPE_SIZE 32
540 
#endif
541 
 
542 
#ifndef DECIMAL64_TYPE_SIZE
543 
#define DECIMAL64_TYPE_SIZE 64
544 
#endif
545 
 
546 
#ifndef DECIMAL128_TYPE_SIZE
547 
#define DECIMAL128_TYPE_SIZE 128
548 
#endif
549 
 
550 
#ifndef SHORT_FRACT_TYPE_SIZE
551 
#define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT
552 
#endif
553 
 
554 
#ifndef FRACT_TYPE_SIZE
555 
#define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2)
556 
#endif
557 
 
558 
#ifndef LONG_FRACT_TYPE_SIZE
559 
#define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4)
560 
#endif
561 
 
562 
#ifndef LONG_LONG_FRACT_TYPE_SIZE
563 
#define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8)
564 
#endif
565 
 
566 
#ifndef SHORT_ACCUM_TYPE_SIZE
567 
#define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2)
568 
#endif
569 
 
570 
#ifndef ACCUM_TYPE_SIZE
571 
#define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2)
572 
#endif
573 
 
574 
#ifndef LONG_ACCUM_TYPE_SIZE
575 
#define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2)
576 
#endif
577 
 
578 
#ifndef LONG_LONG_ACCUM_TYPE_SIZE
579 
#define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2)
580 
#endif
581 
 
582 
/* We let tm.h override the types used here, to handle trivial differences
583 
   such as the choice of unsigned int or long unsigned int for size_t.
584 
   When machines start needing nontrivial differences in the size type,
585 
   it would be best to do something here to figure out automatically
586 
   from other information what type to use.  */
587 
 
588 
#ifndef SIZE_TYPE
589 
#define SIZE_TYPE "long unsigned int"
590 
#endif
591 
 
592 
#ifndef PID_TYPE
593 
#define PID_TYPE "int"
594 
#endif
595 
 
596 
/* If GCC knows the exact uint_least16_t and uint_least32_t types from
597 
   <stdint.h>, use them for char16_t and char32_t.  Otherwise, use
598 
   these guesses; getting the wrong type of a given width will not
599 
   affect C++ name mangling because in C++ these are distinct types
600 
   not typedefs.  */
601 
 
602 
#ifdef UINT_LEAST16_TYPE
603 
#define CHAR16_TYPE UINT_LEAST16_TYPE
604 
#else
605 
#define CHAR16_TYPE "short unsigned int"
606 
#endif
607 
 
608 
#ifdef UINT_LEAST32_TYPE
609 
#define CHAR32_TYPE UINT_LEAST32_TYPE
610 
#else
611 
#define CHAR32_TYPE "unsigned int"
612 
#endif
613 
 
614 
#ifndef WCHAR_TYPE
615 
#define WCHAR_TYPE "int"
616 
#endif
617 
 
618 
/* WCHAR_TYPE gets overridden by -fshort-wchar.  */
619 
#define MODIFIED_WCHAR_TYPE \
620 
        (flag_short_wchar ? "short unsigned int" : WCHAR_TYPE)
621 
 
622 
#ifndef PTRDIFF_TYPE
623 
#define PTRDIFF_TYPE "long int"
624 
#endif
625 
 
626 
#ifndef WINT_TYPE
627 
#define WINT_TYPE "unsigned int"
628 
#endif
629 
 
630 
#ifndef INTMAX_TYPE
631 
#define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE)     \
632 
                     ? "int"                                    \
633 
                     : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
634 
                        ? "long int"                            \
635 
                        : "long long int"))
636 
#endif
637 
 
638 
#ifndef UINTMAX_TYPE
639 
#define UINTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE)    \
640 
                     ? "unsigned int"                           \
641 
                     : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
642 
                        ? "long unsigned int"                   \
643 
                        : "long long unsigned int"))
644 
#endif
645 
 
646 
 
647 
/* There are no default definitions of these <stdint.h> types.  */
648 
 
649 
#ifndef SIG_ATOMIC_TYPE
650 
#define SIG_ATOMIC_TYPE ((const char *) NULL)
651 
#endif
652 
 
653 
#ifndef INT8_TYPE
654 
#define INT8_TYPE ((const char *) NULL)
655 
#endif
656 
 
657 
#ifndef INT16_TYPE
658 
#define INT16_TYPE ((const char *) NULL)
659 
#endif
660 
 
661 
#ifndef INT32_TYPE
662 
#define INT32_TYPE ((const char *) NULL)
663 
#endif
664 
 
665 
#ifndef INT64_TYPE
666 
#define INT64_TYPE ((const char *) NULL)
667 
#endif
668 
 
669 
#ifndef UINT8_TYPE
670 
#define UINT8_TYPE ((const char *) NULL)
671 
#endif
672 
 
673 
#ifndef UINT16_TYPE
674 
#define UINT16_TYPE ((const char *) NULL)
675 
#endif
676 
 
677 
#ifndef UINT32_TYPE
678 
#define UINT32_TYPE ((const char *) NULL)
679 
#endif
680 
 
681 
#ifndef UINT64_TYPE
682 
#define UINT64_TYPE ((const char *) NULL)
683 
#endif
684 
 
685 
#ifndef INT_LEAST8_TYPE
686 
#define INT_LEAST8_TYPE ((const char *) NULL)
687 
#endif
688 
 
689 
#ifndef INT_LEAST16_TYPE
690 
#define INT_LEAST16_TYPE ((const char *) NULL)
691 
#endif
692 
 
693 
#ifndef INT_LEAST32_TYPE
694 
#define INT_LEAST32_TYPE ((const char *) NULL)
695 
#endif
696 
 
697 
#ifndef INT_LEAST64_TYPE
698 
#define INT_LEAST64_TYPE ((const char *) NULL)
699 
#endif
700 
 
701 
#ifndef UINT_LEAST8_TYPE
702 
#define UINT_LEAST8_TYPE ((const char *) NULL)
703 
#endif
704 
 
705 
#ifndef UINT_LEAST16_TYPE
706 
#define UINT_LEAST16_TYPE ((const char *) NULL)
707 
#endif
708 
 
709 
#ifndef UINT_LEAST32_TYPE
710 
#define UINT_LEAST32_TYPE ((const char *) NULL)
711 
#endif
712 
 
713 
#ifndef UINT_LEAST64_TYPE
714 
#define UINT_LEAST64_TYPE ((const char *) NULL)
715 
#endif
716 
 
717 
#ifndef INT_FAST8_TYPE
718 
#define INT_FAST8_TYPE ((const char *) NULL)
719 
#endif
720 
 
721 
#ifndef INT_FAST16_TYPE
722 
#define INT_FAST16_TYPE ((const char *) NULL)
723 
#endif
724 
 
725 
#ifndef INT_FAST32_TYPE
726 
#define INT_FAST32_TYPE ((const char *) NULL)
727 
#endif
728 
 
729 
#ifndef INT_FAST64_TYPE
730 
#define INT_FAST64_TYPE ((const char *) NULL)
731 
#endif
732 
 
733 
#ifndef UINT_FAST8_TYPE
734 
#define UINT_FAST8_TYPE ((const char *) NULL)
735 
#endif
736 
 
737 
#ifndef UINT_FAST16_TYPE
738 
#define UINT_FAST16_TYPE ((const char *) NULL)
739 
#endif
740 
 
741 
#ifndef UINT_FAST32_TYPE
742 
#define UINT_FAST32_TYPE ((const char *) NULL)
743 
#endif
744 
 
745 
#ifndef UINT_FAST64_TYPE
746 
#define UINT_FAST64_TYPE ((const char *) NULL)
747 
#endif
748 
 
749 
#ifndef INTPTR_TYPE
750 
#define INTPTR_TYPE ((const char *) NULL)
751 
#endif
752 
 
753 
#ifndef UINTPTR_TYPE
754 
#define UINTPTR_TYPE ((const char *) NULL)
755 
#endif
756 
 
757 
/* Width in bits of a pointer.  Mind the value of the macro `Pmode'.  */
758 
#ifndef POINTER_SIZE
759 
#define POINTER_SIZE BITS_PER_WORD
760 
#endif
761 
 
762 
#ifndef PIC_OFFSET_TABLE_REGNUM
763 
#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
764 
#endif
765 
 
766 
#ifndef PIC_OFFSET_TABLE_REG_CALL_CLOBBERED
767 
#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED 0
768 
#endif
769 
 
770 
#ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES
771 
#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0
772 
#endif
773 
 
774 
#ifndef TARGET_DECLSPEC
775 
#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
776 
/* If the target supports the "dllimport" attribute, users are
777 
   probably used to the "__declspec" syntax.  */
778 
#define TARGET_DECLSPEC 1
779 
#else
780 
#define TARGET_DECLSPEC 0
781 
#endif
782 
#endif
783 
 
784 
/* By default, the preprocessor should be invoked the same way in C++
785 
   as in C.  */
786 
#ifndef CPLUSPLUS_CPP_SPEC
787 
#ifdef CPP_SPEC
788 
#define CPLUSPLUS_CPP_SPEC CPP_SPEC
789 
#endif
790 
#endif
791 
 
792 
#ifndef ACCUMULATE_OUTGOING_ARGS
793 
#define ACCUMULATE_OUTGOING_ARGS 0
794 
#endif
795 
 
796 
/* By default, use the GNU runtime for Objective C.  */
797 
#ifndef NEXT_OBJC_RUNTIME
798 
#define NEXT_OBJC_RUNTIME 0
799 
#endif
800 
 
801 
/* Supply a default definition for PUSH_ARGS.  */
802 
#ifndef PUSH_ARGS
803 
#ifdef PUSH_ROUNDING
804 
#define PUSH_ARGS       !ACCUMULATE_OUTGOING_ARGS
805 
#else
806 
#define PUSH_ARGS       0
807 
#endif
808 
#endif
809 
 
810 
/* Decide whether a function's arguments should be processed
811 
   from first to last or from last to first.
812 
 
813 
   They should if the stack and args grow in opposite directions, but
814 
   only if we have push insns.  */
815 
 
816 
#ifdef PUSH_ROUNDING
817 
 
818 
#ifndef PUSH_ARGS_REVERSED
819 
#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
820 
#define PUSH_ARGS_REVERSED  PUSH_ARGS
821 
#endif
822 
#endif
823 
 
824 
#endif
825 
 
826 
#ifndef PUSH_ARGS_REVERSED
827 
#define PUSH_ARGS_REVERSED 0
828 
#endif
829 
 
830 
/* Default value for the alignment (in bits) a C conformant malloc has to
831 
   provide. This default is intended to be safe and always correct.  */
832 
#ifndef MALLOC_ABI_ALIGNMENT
833 
#define MALLOC_ABI_ALIGNMENT BITS_PER_WORD
834 
#endif
835 
 
836 
/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY.
837 
   STACK_BOUNDARY is required.  */
838 
#ifndef PREFERRED_STACK_BOUNDARY
839 
#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
840 
#endif
841 
 
842 
/* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not
843 
   defined.  */
844 
#ifndef INCOMING_STACK_BOUNDARY
845 
#define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY
846 
#endif
847 
 
848 
#ifndef TARGET_DEFAULT_PACK_STRUCT
849 
#define TARGET_DEFAULT_PACK_STRUCT 0
850 
#endif
851 
 
852 
/* By default, the vtable entries are void pointers, the so the alignment
853 
   is the same as pointer alignment.  The value of this macro specifies
854 
   the alignment of the vtable entry in bits.  It should be defined only
855 
   when special alignment is necessary.  */
856 
#ifndef TARGET_VTABLE_ENTRY_ALIGN
857 
#define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE
858 
#endif
859 
 
860 
/* There are a few non-descriptor entries in the vtable at offsets below
861 
   zero.  If these entries must be padded (say, to preserve the alignment
862 
   specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of
863 
   words in each data entry.  */
864 
#ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE
865 
#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1
866 
#endif
867 
 
868 
/* Decide whether it is safe to use a local alias for a virtual function
869 
   when constructing thunks.  */
870 
#ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P
871 
#ifdef ASM_OUTPUT_DEF
872 
#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1
873 
#else
874 
#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0
875 
#endif
876 
#endif
877 
 
878 
/* Select a format to encode pointers in exception handling data.  We
879 
   prefer those that result in fewer dynamic relocations.  Assume no
880 
   special support here and encode direct references.  */
881 
#ifndef ASM_PREFERRED_EH_DATA_FORMAT
882 
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)  DW_EH_PE_absptr
883 
#endif
884 
 
885 
/* By default, the C++ compiler will use the lowest bit of the pointer
886 
   to function to indicate a pointer-to-member-function points to a
887 
   virtual member function.  However, if FUNCTION_BOUNDARY indicates
888 
   function addresses aren't always even, the lowest bit of the delta
889 
   field will be used.  */
890 
#ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION
891 
#define TARGET_PTRMEMFUNC_VBIT_LOCATION \
892 
  (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \
893 
   ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
894 
#endif
895 
 
896 
#ifndef DEFAULT_GDB_EXTENSIONS
897 
#define DEFAULT_GDB_EXTENSIONS 1
898 
#endif
899 
 
900 
/* If more than one debugging type is supported, you must define
901 
   PREFERRED_DEBUGGING_TYPE to choose the default.  */
902 
 
903 
#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) \
904 
         + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \
905 
         + defined (VMS_DEBUGGING_INFO))
906 
#ifndef PREFERRED_DEBUGGING_TYPE
907 
#error You must define PREFERRED_DEBUGGING_TYPE
908 
#endif /* no PREFERRED_DEBUGGING_TYPE */
909 
 
910 
/* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE
911 
   here so other code needn't care.  */
912 
#elif defined DBX_DEBUGGING_INFO
913 
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
914 
 
915 
#elif defined SDB_DEBUGGING_INFO
916 
#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
917 
 
918 
#elif defined DWARF2_DEBUGGING_INFO
919 
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
920 
 
921 
#elif defined VMS_DEBUGGING_INFO
922 
#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
923 
 
924 
#elif defined XCOFF_DEBUGGING_INFO
925 
#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
926 
 
927 
#else
928 
/* No debugging format is supported by this target.  */
929 
#define PREFERRED_DEBUGGING_TYPE NO_DEBUG
930 
#endif
931 
 
932 
#ifndef LARGEST_EXPONENT_IS_NORMAL
933 
#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
934 
#endif
935 
 
936 
#ifndef ROUND_TOWARDS_ZERO
937 
#define ROUND_TOWARDS_ZERO 0
938 
#endif
939 
 
940 
#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
941 
#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false
942 
#endif
943 
 
944 
/* True if the targets integer-comparison functions return { 0, 1, 2
945 
   } to indicate { <, ==, > }.  False if { -1, 0, 1 } is used
946 
   instead.  The libgcc routines are biased.  */
947 
#ifndef TARGET_LIB_INT_CMP_BIASED
948 
#define TARGET_LIB_INT_CMP_BIASED (true)
949 
#endif
950 
 
951 
/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
952 
   then the word-endianness is the same as for integers.  */
953 
#ifndef FLOAT_WORDS_BIG_ENDIAN
954 
#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
955 
#endif
956 
 
957 
#ifndef REG_WORDS_BIG_ENDIAN
958 
#define REG_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
959 
#endif
960 
 
961 
#ifdef TARGET_FLT_EVAL_METHOD
962 
#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1
963 
#else
964 
#define TARGET_FLT_EVAL_METHOD 0
965 
#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0
966 
#endif
967 
 
968 
#ifndef TARGET_DEC_EVAL_METHOD
969 
#define TARGET_DEC_EVAL_METHOD 2
970 
#endif
971 
 
972 
#ifndef HAS_LONG_COND_BRANCH
973 
#define HAS_LONG_COND_BRANCH 0
974 
#endif
975 
 
976 
#ifndef HAS_LONG_UNCOND_BRANCH
977 
#define HAS_LONG_UNCOND_BRANCH 0
978 
#endif
979 
 
980 
/* Determine whether __cxa_atexit, rather than atexit, is used to
981 
   register C++ destructors for local statics and global objects.  */
982 
#ifndef DEFAULT_USE_CXA_ATEXIT
983 
#define DEFAULT_USE_CXA_ATEXIT 0
984 
#endif
985 
 
986 
/* If none of these macros are defined, the port must use the new
987 
   technique of defining constraints in the machine description.
988 
   tm_p.h will define those macros that machine-independent code
989 
   still uses.  */
990 
#if  !defined CONSTRAINT_LEN                    \
991 
  && !defined REG_CLASS_FROM_LETTER             \
992 
  && !defined REG_CLASS_FROM_CONSTRAINT         \
993 
  && !defined CONST_OK_FOR_LETTER_P             \
994 
  && !defined CONST_OK_FOR_CONSTRAINT_P         \
995 
  && !defined CONST_DOUBLE_OK_FOR_LETTER_P      \
996 
  && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P  \
997 
  && !defined EXTRA_CONSTRAINT                  \
998 
  && !defined EXTRA_CONSTRAINT_STR              \
999 
  && !defined EXTRA_MEMORY_CONSTRAINT           \
1000 
  && !defined EXTRA_ADDRESS_CONSTRAINT
1001 
 
1002 
#define USE_MD_CONSTRAINTS
1003 
 
1004 
#if GCC_VERSION >= 3000 && defined IN_GCC
1005 
/* These old constraint macros shouldn't appear anywhere in a
1006 
   configuration using MD constraint definitions.  */
1007 
#pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
1008 
                   CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT
1009 
#endif
1010 
 
1011 
#else /* old constraint mechanism in use */
1012 
 
1013 
/* Determine whether extra constraint letter should be handled
1014 
   via address reload (like 'o').  */
1015 
#ifndef EXTRA_MEMORY_CONSTRAINT
1016 
#define EXTRA_MEMORY_CONSTRAINT(C,STR) 0
1017 
#endif
1018 
 
1019 
/* Determine whether extra constraint letter should be handled
1020 
   as an address (like 'p').  */
1021 
#ifndef EXTRA_ADDRESS_CONSTRAINT
1022 
#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0
1023 
#endif
1024 
 
1025 
/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN
1026 
   for all the characters that it does not want to change, so things like the
1027 
  'length' of a digit in a matching constraint is an implementation detail,
1028 
   and not part of the interface.  */
1029 
#define DEFAULT_CONSTRAINT_LEN(C,STR) 1
1030 
 
1031 
#ifndef CONSTRAINT_LEN
1032 
#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR)
1033 
#endif
1034 
 
1035 
#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P)
1036 
#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C)
1037 
#endif
1038 
 
1039 
#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P)
1040 
#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \
1041 
  CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
1042 
#endif
1043 
 
1044 
#ifndef REG_CLASS_FROM_CONSTRAINT
1045 
#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
1046 
#endif
1047 
 
1048 
#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR)
1049 
#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
1050 
#endif
1051 
 
1052 
#endif /* old constraint mechanism in use */
1053 
 
1054 
/* Determine whether the entire c99 runtime
1055 
   is present in the runtime library.  */
1056 
#ifndef TARGET_C99_FUNCTIONS
1057 
#define TARGET_C99_FUNCTIONS 0
1058 
#endif
1059 
 
1060 
/* Determine whether the target runtime library has
1061 
   a sincos implementation following the GNU extension.  */
1062 
#ifndef TARGET_HAS_SINCOS
1063 
#define TARGET_HAS_SINCOS 0
1064 
#endif
1065 
 
1066 
/* Indicate that CLZ and CTZ are undefined at zero.  */
1067 
#ifndef CLZ_DEFINED_VALUE_AT_ZERO
1068 
#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE)  0
1069 
#endif
1070 
#ifndef CTZ_DEFINED_VALUE_AT_ZERO
1071 
#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE)  0
1072 
#endif
1073 
 
1074 
/* Provide a default value for STORE_FLAG_VALUE.  */
1075 
#ifndef STORE_FLAG_VALUE
1076 
#define STORE_FLAG_VALUE  1
1077 
#endif
1078 
 
1079 
/* This macro is used to determine what the largest unit size that
1080 
   move_by_pieces can use is.  */
1081 
 
1082 
/* MOVE_MAX_PIECES is the number of bytes at a time which we can
1083 
   move efficiently, as opposed to  MOVE_MAX which is the maximum
1084 
   number of bytes we can move with a single instruction.  */
1085 
 
1086 
#ifndef MOVE_MAX_PIECES
1087 
#define MOVE_MAX_PIECES   MOVE_MAX
1088 
#endif
1089 
 
1090 
#ifndef MAX_MOVE_MAX
1091 
#define MAX_MOVE_MAX MOVE_MAX
1092 
#endif
1093 
 
1094 
#ifndef MIN_UNITS_PER_WORD
1095 
#define MIN_UNITS_PER_WORD UNITS_PER_WORD
1096 
#endif
1097 
 
1098 
#ifndef MAX_BITS_PER_WORD
1099 
#define MAX_BITS_PER_WORD BITS_PER_WORD
1100 
#endif
1101 
 
1102 
#ifndef STACK_POINTER_OFFSET
1103 
#define STACK_POINTER_OFFSET    0
1104 
#endif
1105 
 
1106 
#ifndef LOCAL_REGNO
1107 
#define LOCAL_REGNO(REGNO)  0
1108 
#endif
1109 
 
1110 
/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
1111 
   the stack pointer does not matter.  The value is tested only in
1112 
   functions that have frame pointers.  */
1113 
#ifndef EXIT_IGNORE_STACK
1114 
#define EXIT_IGNORE_STACK 0
1115 
#endif
1116 
 
1117 
/* Assume that case vectors are not pc-relative.  */
1118 
#ifndef CASE_VECTOR_PC_RELATIVE
1119 
#define CASE_VECTOR_PC_RELATIVE 0
1120 
#endif
1121 
 
1122 
/* Assume that trampolines need function alignment.  */
1123 
#ifndef TRAMPOLINE_ALIGNMENT
1124 
#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
1125 
#endif
1126 
 
1127 
/* Register mappings for target machines without register windows.  */
1128 
#ifndef INCOMING_REGNO
1129 
#define INCOMING_REGNO(N) (N)
1130 
#endif
1131 
 
1132 
#ifndef OUTGOING_REGNO
1133 
#define OUTGOING_REGNO(N) (N)
1134 
#endif
1135 
 
1136 
#ifndef SHIFT_COUNT_TRUNCATED
1137 
#define SHIFT_COUNT_TRUNCATED 0
1138 
#endif
1139 
 
1140 
#ifndef LEGITIMATE_PIC_OPERAND_P
1141 
#define LEGITIMATE_PIC_OPERAND_P(X) 1
1142 
#endif
1143 
 
1144 
#ifndef TARGET_MEM_CONSTRAINT
1145 
#define TARGET_MEM_CONSTRAINT 'm'
1146 
#endif
1147 
 
1148 
#ifndef REVERSIBLE_CC_MODE
1149 
#define REVERSIBLE_CC_MODE(MODE) 0
1150 
#endif
1151 
 
1152 
/* Biggest alignment supported by the object file format of this machine.  */
1153 
#ifndef MAX_OFILE_ALIGNMENT
1154 
#define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT
1155 
#endif
1156 
 
1157 
#ifndef FRAME_GROWS_DOWNWARD
1158 
#define FRAME_GROWS_DOWNWARD 0
1159 
#endif
1160 
 
1161 
/* On most machines, the CFA coincides with the first incoming parm.  */
1162 
#ifndef ARG_POINTER_CFA_OFFSET
1163 
#define ARG_POINTER_CFA_OFFSET(FNDECL) \
1164 
  (FIRST_PARM_OFFSET (FNDECL) + crtl->args.pretend_args_size)
1165 
#endif
1166 
 
1167 
/* On most machines, we use the CFA as DW_AT_frame_base.  */
1168 
#ifndef CFA_FRAME_BASE_OFFSET
1169 
#define CFA_FRAME_BASE_OFFSET(FNDECL) 0
1170 
#endif
1171 
 
1172 
/* The offset from the incoming value of %sp to the top of the stack frame
1173 
   for the current function.  */
1174 
#ifndef INCOMING_FRAME_SP_OFFSET
1175 
#define INCOMING_FRAME_SP_OFFSET 0
1176 
#endif
1177 
 
1178 
#ifndef HARD_REGNO_NREGS_HAS_PADDING
1179 
#define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0
1180 
#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
1181 
#endif
1182 
 
1183 
#ifndef OUTGOING_REG_PARM_STACK_SPACE
1184 
#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0
1185 
#endif
1186 
 
1187 
/* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by
1188 
   the backend.  MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best
1189 
   effort stack alignment supported by the backend.  If the backend
1190 
   supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and
1191 
   MAX_STACK_ALIGNMENT are the same.  Otherwise, the incoming stack
1192 
   boundary will limit the maximum guaranteed stack alignment.  */
1193 
#ifdef MAX_STACK_ALIGNMENT
1194 
#define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT
1195 
#else
1196 
#define MAX_STACK_ALIGNMENT STACK_BOUNDARY
1197 
#define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY
1198 
#endif
1199 
 
1200 
#define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY)
1201 
 
1202 
#ifndef LOCAL_ALIGNMENT
1203 
#define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT
1204 
#endif
1205 
 
1206 
#ifndef STACK_SLOT_ALIGNMENT
1207 
#define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \
1208 
  ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN))
1209 
#endif
1210 
 
1211 
#ifndef LOCAL_DECL_ALIGNMENT
1212 
#define LOCAL_DECL_ALIGNMENT(DECL) \
1213 
  LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL))
1214 
#endif
1215 
 
1216 
#ifndef MINIMUM_ALIGNMENT
1217 
#define MINIMUM_ALIGNMENT(EXP,MODE,ALIGN) (ALIGN)
1218 
#endif
1219 
 
1220 
/* Alignment value for attribute ((aligned)).  */
1221 
#ifndef ATTRIBUTE_ALIGNED_VALUE
1222 
#define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT
1223 
#endif
1224 
 
1225 
/* Many ports have no mode-dependent addresses (except possibly autoincrement
1226 
   and autodecrement addresses, which are handled by target-independent code
1227 
   in recog.c).  */
1228 
#ifndef GO_IF_MODE_DEPENDENT_ADDRESS
1229 
#define GO_IF_MODE_DEPENDENT_ADDRESS(X, WIN)
1230 
#endif
1231 
 
1232 
/* For most ports anything that evaluates to a constant symbolic
1233 
   or integer value is acceptable as a constant address.  */
1234 
#ifndef CONSTANT_ADDRESS_P
1235 
#define CONSTANT_ADDRESS_P(X)   (CONSTANT_P (X) && GET_CODE (X) != CONST_DOUBLE)
1236 
#endif
1237 
 
1238 
#ifndef MAX_FIXED_MODE_SIZE
1239 
#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode)
1240 
#endif
1241 
 
1242 
/* Nonzero if structures and unions should be returned in memory.
1243 
 
1244 
   This should only be defined if compatibility with another compiler or
1245 
   with an ABI is needed, because it results in slower code.  */
1246 
 
1247 
#ifndef DEFAULT_PCC_STRUCT_RETURN
1248 
#define DEFAULT_PCC_STRUCT_RETURN 1
1249 
#endif
1250 
 
1251 
#ifdef GCC_INSN_FLAGS_H
1252 
/* Dependent default target macro definitions
1253 
 
1254 
   This section of defaults.h defines target macros that depend on generated
1255 
   headers.  This is a bit awkward:  We want to put all default definitions
1256 
   for target macros in defaults.h, but some of the defaults depend on the
1257 
   HAVE_* flags defines of insn-flags.h.  But insn-flags.h is not always
1258 
   included by files that do include defaults.h.
1259 
 
1260 
   Fortunately, the default macro definitions that depend on the HAVE_*
1261 
   macros are also the ones that will only be used inside GCC itself, i.e.
1262 
   not in the gen* programs or in target objects like libgcc.
1263 
 
1264 
   Obviously, it would be best to keep this section of defaults.h as small
1265 
   as possible, by converting the macros defined below to target hooks or
1266 
   functions.
1267 
*/
1268 
 
1269 
/* The default branch cost is 1.  */
1270 
#ifndef BRANCH_COST
1271 
#define BRANCH_COST(speed_p, predictable_p) 1
1272 
#endif
1273 
 
1274 
/* If a memory-to-memory move would take MOVE_RATIO or more simple
1275 
   move-instruction sequences, we will do a movmem or libcall instead.  */
1276 
 
1277 
#ifndef MOVE_RATIO
1278 
#if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti)
1279 
#define MOVE_RATIO(speed) 2
1280 
#else
1281 
/* If we are optimizing for space (-Os), cut down the default move ratio.  */
1282 
#define MOVE_RATIO(speed) ((speed) ? 15 : 3)
1283 
#endif
1284 
#endif
1285 
 
1286 
/* If a clear memory operation would take CLEAR_RATIO or more simple
1287 
   move-instruction sequences, we will do a setmem or libcall instead.  */
1288 
 
1289 
#ifndef CLEAR_RATIO
1290 
#if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti)
1291 
#define CLEAR_RATIO(speed) 2
1292 
#else
1293 
/* If we are optimizing for space, cut down the default clear ratio.  */
1294 
#define CLEAR_RATIO(speed) ((speed) ? 15 :3)
1295 
#endif
1296 
#endif
1297 
 
1298 
/* If a memory set (to value other than zero) operation would take
1299 
   SET_RATIO or more simple move-instruction sequences, we will do a movmem
1300 
   or libcall instead.  */
1301 
#ifndef SET_RATIO
1302 
#define SET_RATIO(speed) MOVE_RATIO(speed)
1303 
#endif
1304 
 
1305 
/* Supply a default definition for FUNCTION_ARG_PADDING:
1306 
   usually pad upward, but pad short args downward on
1307 
   big-endian machines.  */
1308 
 
1309 
#define DEFAULT_FUNCTION_ARG_PADDING(MODE, TYPE)                        \
1310 
  (! BYTES_BIG_ENDIAN                                                   \
1311 
   ? upward                                                             \
1312 
   : (((MODE) == BLKmode                                                \
1313 
       ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST         \
1314 
          && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT)) \
1315 
       : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY)                       \
1316 
      ? downward : upward))
1317 
 
1318 
#ifndef FUNCTION_ARG_PADDING
1319 
#define FUNCTION_ARG_PADDING(MODE, TYPE)        \
1320 
  DEFAULT_FUNCTION_ARG_PADDING ((MODE), (TYPE))
1321 
#endif
1322 
 
1323 
/* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save.
1324 
   Normally move_insn, so Pmode stack pointer.  */
1325 
 
1326 
#ifndef STACK_SAVEAREA_MODE
1327 
#define STACK_SAVEAREA_MODE(LEVEL) Pmode
1328 
#endif
1329 
 
1330 
/* Supply a default definition of STACK_SIZE_MODE for
1331 
   allocate_dynamic_stack_space.  Normally PLUS/MINUS, so word_mode.  */
1332 
 
1333 
#ifndef STACK_SIZE_MODE
1334 
#define STACK_SIZE_MODE word_mode
1335 
#endif
1336 
 
1337 
/* Provide default values for the macros controlling stack checking.  */
1338 
 
1339 
/* The default is neither full builtin stack checking...  */
1340 
#ifndef STACK_CHECK_BUILTIN
1341 
#define STACK_CHECK_BUILTIN 0
1342 
#endif
1343 
 
1344 
/* ...nor static builtin stack checking.  */
1345 
#ifndef STACK_CHECK_STATIC_BUILTIN
1346 
#define STACK_CHECK_STATIC_BUILTIN 0
1347 
#endif
1348 
 
1349 
/* The default interval is one page (4096 bytes).  */
1350 
#ifndef STACK_CHECK_PROBE_INTERVAL_EXP
1351 
#define STACK_CHECK_PROBE_INTERVAL_EXP 12
1352 
#endif
1353 
 
1354 
/* The default is not to move the stack pointer.  */
1355 
#ifndef STACK_CHECK_MOVING_SP
1356 
#define STACK_CHECK_MOVING_SP 0
1357 
#endif
1358 
 
1359 
/* This is a kludge to try to capture the discrepancy between the old
1360 
   mechanism (generic stack checking) and the new mechanism (static
1361 
   builtin stack checking).  STACK_CHECK_PROTECT needs to be bumped
1362 
   for the latter because part of the protection area is effectively
1363 
   included in STACK_CHECK_MAX_FRAME_SIZE for the former.  */
1364 
#ifdef STACK_CHECK_PROTECT
1365 
#define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT
1366 
#else
1367 
#define STACK_OLD_CHECK_PROTECT                                         \
1368 
 (targetm_common.except_unwind_info (&global_options) == UI_SJLJ        \
1369 
  ? 75 * UNITS_PER_WORD                                                 \
1370 
  : 8 * 1024)
1371 
#endif
1372 
 
1373 
/* Minimum amount of stack required to recover from an anticipated stack
1374 
   overflow detection.  The default value conveys an estimate of the amount
1375 
   of stack required to propagate an exception.  */
1376 
#ifndef STACK_CHECK_PROTECT
1377 
#define STACK_CHECK_PROTECT                                             \
1378 
 (targetm_common.except_unwind_info (&global_options) == UI_SJLJ        \
1379 
  ? 75 * UNITS_PER_WORD                                                 \
1380 
  : 12 * 1024)
1381 
#endif
1382 
 
1383 
/* Make the maximum frame size be the largest we can and still only need
1384 
   one probe per function.  */
1385 
#ifndef STACK_CHECK_MAX_FRAME_SIZE
1386 
#define STACK_CHECK_MAX_FRAME_SIZE \
1387 
  ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD)
1388 
#endif
1389 
 
1390 
/* This is arbitrary, but should be large enough everywhere.  */
1391 
#ifndef STACK_CHECK_FIXED_FRAME_SIZE
1392 
#define STACK_CHECK_FIXED_FRAME_SIZE (4 * UNITS_PER_WORD)
1393 
#endif
1394 
 
1395 
/* Provide a reasonable default for the maximum size of an object to
1396 
   allocate in the fixed frame.  We may need to be able to make this
1397 
   controllable by the user at some point.  */
1398 
#ifndef STACK_CHECK_MAX_VAR_SIZE
1399 
#define STACK_CHECK_MAX_VAR_SIZE (STACK_CHECK_MAX_FRAME_SIZE / 100)
1400 
#endif
1401 
 
1402 
/* By default, the C++ compiler will use function addresses in the
1403 
   vtable entries.  Setting this nonzero tells the compiler to use
1404 
   function descriptors instead.  The value of this macro says how
1405 
   many words wide the descriptor is (normally 2).  It is assumed
1406 
   that the address of a function descriptor may be treated as a
1407 
   pointer to a function.  */
1408 
#ifndef TARGET_VTABLE_USES_DESCRIPTORS
1409 
#define TARGET_VTABLE_USES_DESCRIPTORS 0
1410 
#endif
1411 
 
1412 
#ifndef SWITCHABLE_TARGET
1413 
#define SWITCHABLE_TARGET 0
1414 
#endif
1415 
 
1416 
#endif /* GCC_INSN_FLAGS_H  */
1417 
 
1418 
#endif  /* ! GCC_DEFAULTS_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.