1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
|
/* Definitions of target machine for GCC, for SPARC running Solaris 2
Copyright (C) 1992-2013 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@netcom.com).
Additional changes by David V. Henkel-Wallace (gumby@cygnus.com).
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Solaris allows 64-bit out and global registers to be used in 32-bit mode.
sparc_override_options will disable V8+ if either not generating V9 code
or generating 64-bit code. */
#undef TARGET_DEFAULT
#ifdef TARGET_64BIT_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_64BIT + MASK_PTR64 + MASK_STACK_BIAS + \
MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
#else
#define TARGET_DEFAULT \
(MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
#endif
/* The default code model used to be CM_MEDANY on Solaris
but even Sun eventually found it to be quite wasteful
and changed it to CM_MEDMID in the Studio 9 compiler. */
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_MEDMID
/* Select a format to encode pointers in exception handling data. CODE
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
true if the symbol may be affected by dynamic relocations.
Some Solaris dynamic linkers don't handle unaligned section relative
relocs properly, so force them to be aligned. */
#ifndef HAVE_AS_SPARC_UA_PCREL
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
#endif
/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
/* If the assembler supports -xarch=sparc4, we switch to the explicit
word size selection mechanism available both in GNU as and Sun as,
for the Niagara4 and above configurations. */
#ifdef HAVE_AS_SPARC4
#define AS_SPARC32_FLAG ""
#define AS_SPARC64_FLAG ""
#ifndef USE_GAS
#undef ASM_ARCH32_SPEC
#define ASM_ARCH32_SPEC "-m32"
#undef ASM_ARCH64_SPEC
#define ASM_ARCH64_SPEC "-m64"
#endif
/* Both Sun as and GNU as understand -K PIC. */
#undef ASM_SPEC
#define ASM_SPEC ASM_SPEC_BASE " %(asm_arch)" ASM_PIC_SPEC
#else /* HAVE_AS_SPARC4 */
#define AS_SPARC32_FLAG "-xarch=v8plus"
#define AS_SPARC64_FLAG "-xarch=v9"
#undef AS_NIAGARA4_FLAG
#define AS_NIAGARA4_FLAG AS_NIAGARA3_FLAG
#undef ASM_ARCH32_SPEC
#define ASM_ARCH32_SPEC ""
#undef ASM_ARCH64_SPEC
#define ASM_ARCH64_SPEC ""
#undef ASM_ARCH_DEFAULT_SPEC
#define ASM_ARCH_DEFAULT_SPEC ""
#undef ASM_ARCH_SPEC
#define ASM_ARCH_SPEC ""
/* Both Sun as and GNU as understand -K PIC. */
#undef ASM_SPEC
#define ASM_SPEC ASM_SPEC_BASE ASM_PIC_SPEC
#endif /* HAVE_AS_SPARC4 */
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC ""
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9"
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus"
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusa"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9a"
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b"
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b"
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b"
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara3
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus" AS_NIAGARA3_FLAG
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9" AS_NIAGARA3_FLAG
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara4
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC AS_SPARC32_FLAG AS_NIAGARA4_FLAG
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG AS_NIAGARA4_FLAG
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
#endif
#undef CPP_CPU_SPEC
#define CPP_CPU_SPEC "\
%{mcpu=sparclet|mcpu=tsc701:-D__sparclet__} \
%{mcpu=sparclite|mcpu-f930|mcpu=f934:-D__sparclite__} \
%{mcpu=v8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{mcpu=supersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{mcpu=v9|mcpu=ultrasparc|mcpu=ultrasparc3|mcpu=niagara|mcpu=niagara2|mcpu=niagara3|mcpu=niagara4:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{!mcpu*:%(cpp_cpu_default)} \
"
#undef CPP_CPU_DEFAULT_SPEC
#define CPP_CPU_DEFAULT_SPEC \
(DEFAULT_ARCH32_P ? "\
%{m64:" CPP_CPU64_DEFAULT_SPEC "} \
%{!m64:" CPP_CPU32_DEFAULT_SPEC "} \
" : "\
%{m32:" CPP_CPU32_DEFAULT_SPEC "} \
%{!m32:" CPP_CPU64_DEFAULT_SPEC "} \
")
#undef CPP_ARCH32_SPEC
#define CPP_ARCH32_SPEC ""
#undef CPP_ARCH64_SPEC
#define CPP_ARCH64_SPEC "-D__arch64__ -D__sparcv9"
#undef CPP_ARCH_SPEC
#define CPP_ARCH_SPEC "\
%{m32:%(cpp_arch32)} \
%{m64:%(cpp_arch64)} \
%{!m32:%{!m64:%(cpp_arch_default)}} \
"
/* -mcpu=native handling only makes sense with compiler running on
a SPARC chip. */
#if defined(__sparc__) && defined(__SVR4)
extern const char *host_detect_local_cpu (int argc, const char **argv);
# define EXTRA_SPEC_FUNCTIONS \
{ "local_cpu_detect", host_detect_local_cpu },
# define MCPU_MTUNE_NATIVE_SPECS \
" %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \
" %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
#else
# define MCPU_MTUNE_NATIVE_SPECS ""
#endif
#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS
#undef CC1_SPEC
#if DEFAULT_ARCH32_P
#define CC1_SPEC "\
%{m64:%{m32:%emay not use both -m32 and -m64}} \
%{m64:-mptr64 -mstack-bias -mno-v8plus \
%{!mcpu*:-%{!mv8plus:mcpu=v9}}} \
"
#else
#define CC1_SPEC "\
%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m32:-mptr32 -mno-stack-bias \
%{!mcpu*:%{!mv8plus:-mcpu=v9}}} \
%{mv8plus:-m32 -mptr32 -mno-stack-bias \
%{!mcpu*:-mcpu=v9}} \
"
#endif
/* Support for a compile-time default CPU, et cetera. The rules are:
--with-cpu is ignored if -mcpu is specified.
--with-tune is ignored if -mtune is specified.
--with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
are specified.
In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
here, otherwise say -mcpu=v7 would be passed even when -m64.
CC1_SPEC above takes care of this instead. */
#undef OPTION_DEFAULT_SPECS
#if DEFAULT_ARCH32_P
#define OPTION_DEFAULT_SPECS \
{"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
{"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
#else
#define OPTION_DEFAULT_SPECS \
{"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
{"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
#endif
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "\
%{mcpu=v9:" DEF_ARCH32_SPEC("-xarch=v8plus") DEF_ARCH64_SPEC("-xarch=v9") "} \
%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-xarch=v8plusa") DEF_ARCH64_SPEC("-xarch=v9a") "} \
%{mcpu=ultrasparc3:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \
%{mcpu=niagara:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \
%{mcpu=niagara2:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \
%{mcpu=niagara3:" DEF_ARCH32_SPEC("-xarch=v8plus" AS_NIAGARA3_FLAG) DEF_ARCH64_SPEC("-xarch=v9" AS_NIAGARA3_FLAG) "} \
%{mcpu=niagara4:" DEF_ARCH32_SPEC(AS_SPARC32_FLAG AS_NIAGARA4_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_NIAGARA4_FLAG) "} \
%{!mcpu=niagara4:%{!mcpu=niagara3:%{!mcpu=niagara2:%{!mcpu=niagara:%{!mcpu=ultrasparc3:%{!mcpu=ultrasparc:%{!mcpu=v9:%{mcpu*:" DEF_ARCH32_SPEC("-xarch=v8") DEF_ARCH64_SPEC("-xarch=v9") "}}}}}}}} \
%{!mcpu*:%(asm_cpu_default)} \
"
#ifdef USE_GLD
/* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly
follow the Solaris 2 ABI. Prefer them if present. */
#ifdef HAVE_LD_SOL2_EMULATION
#define ARCH32_EMULATION "elf32_sparc_sol2"
#define ARCH64_EMULATION "elf64_sparc_sol2"
#else
#define ARCH32_EMULATION "elf32_sparc"
#define ARCH64_EMULATION "elf64_sparc"
#endif
#endif
#define ARCH64_SUBDIR "sparcv9"
#define SUBTARGET_CPU_EXTRA_SPECS
/* Register the Solaris-specific #pragma directives. */
#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas ()
#if defined(USE_GAS) && defined(HAVE_AS_TLS)
/* Use GNU extensions to TLS support. */
#undef TARGET_SUN_TLS
#undef TARGET_GNU_TLS
#define TARGET_SUN_TLS 0
#define TARGET_GNU_TLS 1
#endif
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "\t.skip %u\n", (int)(SIZE))
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM))
/* The native TLS-enabled assembler requires the directive #tls_object
to be put on objects in TLS sections (as of v7.1). This is not
required by GNU as but supported on SPARC. */
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
do \
{ \
HOST_WIDE_INT size; \
\
if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \
else \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
\
size_directive_output = 0; \
if (!flag_inhibit_size_directive \
&& (DECL) && DECL_SIZE (DECL)) \
{ \
size_directive_output = 1; \
size = int_size_in_bytes (TREE_TYPE (DECL)); \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
} \
\
ASM_OUTPUT_LABEL (FILE, NAME); \
} \
while (0)
/* Output a simple call for .init/.fini. */
#define ASM_OUTPUT_CALL(FILE, FN) \
do \
{ \
fprintf (FILE, "\tcall\t"); \
targetm.asm_out.print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \
fprintf (FILE, "\n\tnop\n"); \
} \
while (0)
#ifndef USE_GAS
/* This is how to output an assembler line that says to advance
the location counter to a multiple of 2**LOG bytes using the
NOP instruction as padding. The filler pattern doesn't work
with GNU as. */
#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \
if ((LOG) != 0) \
fprintf (FILE, "\t.align %d,0x1000000\n", (1<<(LOG)))
/* Use Solaris ELF section syntax with Sun as. */
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION sparc_solaris_elf_asm_named_section
/* Sun as requires doublequoted section names on SPARC. While GNU as
supports that, too, we prefer the standard variant. */
#undef SECTION_NAME_FORMAT
#define SECTION_NAME_FORMAT "\"%s\""
#endif /* !USE_GAS */
/* Undefine this so that attribute((init_priority)) works with GNU ld. */
#ifdef USE_GLD
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
#endif
/* Define for support of TFmode long double.
SPARC ABI says that long double is 4 words. */
#define LONG_DOUBLE_TYPE_SIZE 128
/* Solaris's _Qp_* library routine implementation clobbers the output
memory before the inputs are fully consumed. */
#undef TARGET_BUGGY_QP_LIB
#define TARGET_BUGGY_QP_LIB 1
#undef SUN_CONVERSION_LIBFUNCS
#define SUN_CONVERSION_LIBFUNCS 1
#undef DITF_CONVERSION_LIBFUNCS
#define DITF_CONVERSION_LIBFUNCS 1
#undef SUN_INTEGER_MULTIPLY_64
#define SUN_INTEGER_MULTIPLY_64 1
#undef SPARC_LOW_FE_EXCEPT_VALUES
#define SPARC_LOW_FE_EXCEPT_VALUES 1
|
