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
412
413
414
415
416
417
418
419
420
421
|
/* Subroutines used for macro/preprocessor support on the ia-32.
Copyright (C) 2008, 2009, 2010
Free Software Foundation, Inc.
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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "tm_p.h"
#include "flags.h"
#include "c-family/c-common.h"
#include "ggc.h"
#include "target.h"
#include "target-def.h"
#include "cpplib.h"
#include "c-family/c-pragma.h"
static bool ix86_pragma_target_parse (tree, tree);
static void ix86_target_macros_internal
(HOST_WIDE_INT, enum processor_type, enum processor_type, enum fpmath_unit,
void (*def_or_undef) (cpp_reader *, const char *));
/* Internal function to either define or undef the appropriate system
macros. */
static void
ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
enum processor_type arch,
enum processor_type tune,
enum fpmath_unit fpmath,
void (*def_or_undef) (cpp_reader *,
const char *))
{
/* For some of the k6/pentium varients there weren't seperate ISA bits to
identify which tune/arch flag was passed, so figure it out here. */
size_t arch_len = strlen (ix86_arch_string);
size_t tune_len = strlen (ix86_tune_string);
int last_arch_char = ix86_arch_string[arch_len - 1];
int last_tune_char = ix86_tune_string[tune_len - 1];
/* Built-ins based on -march=. */
switch (arch)
{
case PROCESSOR_I386:
break;
case PROCESSOR_I486:
def_or_undef (parse_in, "__i486");
def_or_undef (parse_in, "__i486__");
break;
case PROCESSOR_PENTIUM:
def_or_undef (parse_in, "__i586");
def_or_undef (parse_in, "__i586__");
def_or_undef (parse_in, "__pentium");
def_or_undef (parse_in, "__pentium__");
if (isa_flag & OPTION_MASK_ISA_MMX)
def_or_undef (parse_in, "__pentium_mmx__");
break;
case PROCESSOR_PENTIUMPRO:
def_or_undef (parse_in, "__i686");
def_or_undef (parse_in, "__i686__");
def_or_undef (parse_in, "__pentiumpro");
def_or_undef (parse_in, "__pentiumpro__");
break;
case PROCESSOR_GEODE:
def_or_undef (parse_in, "__geode");
def_or_undef (parse_in, "__geode__");
break;
case PROCESSOR_K6:
def_or_undef (parse_in, "__k6");
def_or_undef (parse_in, "__k6__");
if (last_arch_char == '2')
def_or_undef (parse_in, "__k6_2__");
else if (last_arch_char == '3')
def_or_undef (parse_in, "__k6_3__");
else if (isa_flag & OPTION_MASK_ISA_3DNOW)
def_or_undef (parse_in, "__k6_3__");
break;
case PROCESSOR_ATHLON:
def_or_undef (parse_in, "__athlon");
def_or_undef (parse_in, "__athlon__");
if (isa_flag & OPTION_MASK_ISA_SSE)
def_or_undef (parse_in, "__athlon_sse__");
break;
case PROCESSOR_K8:
def_or_undef (parse_in, "__k8");
def_or_undef (parse_in, "__k8__");
break;
case PROCESSOR_AMDFAM10:
def_or_undef (parse_in, "__amdfam10");
def_or_undef (parse_in, "__amdfam10__");
break;
case PROCESSOR_BDVER1:
def_or_undef (parse_in, "__bdver1");
def_or_undef (parse_in, "__bdver1__");
break;
case PROCESSOR_BDVER2:
def_or_undef (parse_in, "__bdver2");
def_or_undef (parse_in, "__bdver2__");
break;
case PROCESSOR_BTVER1:
def_or_undef (parse_in, "__btver1");
def_or_undef (parse_in, "__btver1__");
break;
case PROCESSOR_PENTIUM4:
def_or_undef (parse_in, "__pentium4");
def_or_undef (parse_in, "__pentium4__");
break;
case PROCESSOR_NOCONA:
def_or_undef (parse_in, "__nocona");
def_or_undef (parse_in, "__nocona__");
break;
case PROCESSOR_CORE2_32:
case PROCESSOR_CORE2_64:
def_or_undef (parse_in, "__core2");
def_or_undef (parse_in, "__core2__");
break;
case PROCESSOR_COREI7_32:
case PROCESSOR_COREI7_64:
def_or_undef (parse_in, "__corei7");
def_or_undef (parse_in, "__corei7__");
break;
case PROCESSOR_ATOM:
def_or_undef (parse_in, "__atom");
def_or_undef (parse_in, "__atom__");
break;
/* use PROCESSOR_max to not set/unset the arch macro. */
case PROCESSOR_max:
break;
case PROCESSOR_GENERIC32:
case PROCESSOR_GENERIC64:
gcc_unreachable ();
}
/* Built-ins based on -mtune=. */
switch (tune)
{
case PROCESSOR_I386:
def_or_undef (parse_in, "__tune_i386__");
break;
case PROCESSOR_I486:
def_or_undef (parse_in, "__tune_i486__");
break;
case PROCESSOR_PENTIUM:
def_or_undef (parse_in, "__tune_i586__");
def_or_undef (parse_in, "__tune_pentium__");
if (last_tune_char == 'x')
def_or_undef (parse_in, "__tune_pentium_mmx__");
break;
case PROCESSOR_PENTIUMPRO:
def_or_undef (parse_in, "__tune_i686__");
def_or_undef (parse_in, "__tune_pentiumpro__");
switch (last_tune_char)
{
case '3':
def_or_undef (parse_in, "__tune_pentium3__");
/* FALLTHRU */
case '2':
def_or_undef (parse_in, "__tune_pentium2__");
break;
}
break;
case PROCESSOR_GEODE:
def_or_undef (parse_in, "__tune_geode__");
break;
case PROCESSOR_K6:
def_or_undef (parse_in, "__tune_k6__");
if (last_tune_char == '2')
def_or_undef (parse_in, "__tune_k6_2__");
else if (last_tune_char == '3')
def_or_undef (parse_in, "__tune_k6_3__");
else if (isa_flag & OPTION_MASK_ISA_3DNOW)
def_or_undef (parse_in, "__tune_k6_3__");
break;
case PROCESSOR_ATHLON:
def_or_undef (parse_in, "__tune_athlon__");
if (isa_flag & OPTION_MASK_ISA_SSE)
def_or_undef (parse_in, "__tune_athlon_sse__");
break;
case PROCESSOR_K8:
def_or_undef (parse_in, "__tune_k8__");
break;
case PROCESSOR_AMDFAM10:
def_or_undef (parse_in, "__tune_amdfam10__");
break;
case PROCESSOR_BDVER1:
def_or_undef (parse_in, "__tune_bdver1__");
break;
case PROCESSOR_BDVER2:
def_or_undef (parse_in, "__tune_bdver2__");
break;
case PROCESSOR_BTVER1:
def_or_undef (parse_in, "__tune_btver1__");
break;
case PROCESSOR_PENTIUM4:
def_or_undef (parse_in, "__tune_pentium4__");
break;
case PROCESSOR_NOCONA:
def_or_undef (parse_in, "__tune_nocona__");
break;
case PROCESSOR_CORE2_32:
case PROCESSOR_CORE2_64:
def_or_undef (parse_in, "__tune_core2__");
break;
case PROCESSOR_COREI7_32:
case PROCESSOR_COREI7_64:
def_or_undef (parse_in, "__tune_corei7__");
break;
case PROCESSOR_ATOM:
def_or_undef (parse_in, "__tune_atom__");
break;
case PROCESSOR_GENERIC32:
case PROCESSOR_GENERIC64:
break;
/* use PROCESSOR_max to not set/unset the tune macro. */
case PROCESSOR_max:
break;
}
if (isa_flag & OPTION_MASK_ISA_MMX)
def_or_undef (parse_in, "__MMX__");
if (isa_flag & OPTION_MASK_ISA_3DNOW)
def_or_undef (parse_in, "__3dNOW__");
if (isa_flag & OPTION_MASK_ISA_3DNOW_A)
def_or_undef (parse_in, "__3dNOW_A__");
if (isa_flag & OPTION_MASK_ISA_SSE)
def_or_undef (parse_in, "__SSE__");
if (isa_flag & OPTION_MASK_ISA_SSE2)
def_or_undef (parse_in, "__SSE2__");
if (isa_flag & OPTION_MASK_ISA_SSE3)
def_or_undef (parse_in, "__SSE3__");
if (isa_flag & OPTION_MASK_ISA_SSSE3)
def_or_undef (parse_in, "__SSSE3__");
if (isa_flag & OPTION_MASK_ISA_SSE4_1)
def_or_undef (parse_in, "__SSE4_1__");
if (isa_flag & OPTION_MASK_ISA_SSE4_2)
def_or_undef (parse_in, "__SSE4_2__");
if (isa_flag & OPTION_MASK_ISA_AES)
def_or_undef (parse_in, "__AES__");
if (isa_flag & OPTION_MASK_ISA_PCLMUL)
def_or_undef (parse_in, "__PCLMUL__");
if (isa_flag & OPTION_MASK_ISA_AVX)
def_or_undef (parse_in, "__AVX__");
if (isa_flag & OPTION_MASK_ISA_AVX2)
def_or_undef (parse_in, "__AVX2__");
if (isa_flag & OPTION_MASK_ISA_FMA)
def_or_undef (parse_in, "__FMA__");
if (isa_flag & OPTION_MASK_ISA_RTM)
def_or_undef (parse_in, "__RTM__");
if (isa_flag & OPTION_MASK_ISA_SSE4A)
def_or_undef (parse_in, "__SSE4A__");
if (isa_flag & OPTION_MASK_ISA_FMA4)
def_or_undef (parse_in, "__FMA4__");
if (isa_flag & OPTION_MASK_ISA_XOP)
def_or_undef (parse_in, "__XOP__");
if (isa_flag & OPTION_MASK_ISA_LWP)
def_or_undef (parse_in, "__LWP__");
if (isa_flag & OPTION_MASK_ISA_ABM)
def_or_undef (parse_in, "__ABM__");
if (isa_flag & OPTION_MASK_ISA_BMI)
def_or_undef (parse_in, "__BMI__");
if (isa_flag & OPTION_MASK_ISA_BMI2)
def_or_undef (parse_in, "__BMI2__");
if (isa_flag & OPTION_MASK_ISA_LZCNT)
def_or_undef (parse_in, "__LZCNT__");
if (isa_flag & OPTION_MASK_ISA_TBM)
def_or_undef (parse_in, "__TBM__");
if (isa_flag & OPTION_MASK_ISA_POPCNT)
def_or_undef (parse_in, "__POPCNT__");
if (isa_flag & OPTION_MASK_ISA_FSGSBASE)
def_or_undef (parse_in, "__FSGSBASE__");
if (isa_flag & OPTION_MASK_ISA_RDRND)
def_or_undef (parse_in, "__RDRND__");
if (isa_flag & OPTION_MASK_ISA_F16C)
def_or_undef (parse_in, "__F16C__");
if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE))
def_or_undef (parse_in, "__SSE_MATH__");
if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE2))
def_or_undef (parse_in, "__SSE2_MATH__");
}
/* Hook to validate the current #pragma GCC target and set the state, and
update the macros based on what was changed. If ARGS is NULL, then
POP_TARGET is used to reset the options. */
static bool
ix86_pragma_target_parse (tree args, tree pop_target)
{
tree prev_tree = build_target_option_node ();
tree cur_tree;
struct cl_target_option *prev_opt;
struct cl_target_option *cur_opt;
HOST_WIDE_INT prev_isa;
HOST_WIDE_INT cur_isa;
HOST_WIDE_INT diff_isa;
enum processor_type prev_arch;
enum processor_type prev_tune;
enum processor_type cur_arch;
enum processor_type cur_tune;
if (! args)
{
cur_tree = ((pop_target)
? pop_target
: target_option_default_node);
cl_target_option_restore (&global_options,
TREE_TARGET_OPTION (cur_tree));
}
else
{
cur_tree = ix86_valid_target_attribute_tree (args);
if (!cur_tree)
return false;
}
target_option_current_node = cur_tree;
/* Figure out the previous/current isa, arch, tune and the differences. */
prev_opt = TREE_TARGET_OPTION (prev_tree);
cur_opt = TREE_TARGET_OPTION (cur_tree);
prev_isa = prev_opt->x_ix86_isa_flags;
cur_isa = cur_opt->x_ix86_isa_flags;
diff_isa = (prev_isa ^ cur_isa);
prev_arch = (enum processor_type) prev_opt->arch;
prev_tune = (enum processor_type) prev_opt->tune;
cur_arch = (enum processor_type) cur_opt->arch;
cur_tune = (enum processor_type) cur_opt->tune;
/* If the same processor is used for both previous and current options, don't
change the macros. */
if (cur_arch == prev_arch)
cur_arch = prev_arch = PROCESSOR_max;
if (cur_tune == prev_tune)
cur_tune = prev_tune = PROCESSOR_max;
/* Undef all of the macros for that are no longer current. */
ix86_target_macros_internal (prev_isa & diff_isa,
prev_arch,
prev_tune,
(enum fpmath_unit) prev_opt->x_ix86_fpmath,
cpp_undef);
/* Define all of the macros for new options that were just turned on. */
ix86_target_macros_internal (cur_isa & diff_isa,
cur_arch,
cur_tune,
(enum fpmath_unit) cur_opt->x_ix86_fpmath,
cpp_define);
return true;
}
/* Function to tell the preprocessor about the defines for the current target. */
void
ix86_target_macros (void)
{
/* 32/64-bit won't change with target specific options, so do the assert and
builtin_define_std calls here. */
if (TARGET_64BIT)
{
cpp_assert (parse_in, "cpu=x86_64");
cpp_assert (parse_in, "machine=x86_64");
cpp_define (parse_in, "__amd64");
cpp_define (parse_in, "__amd64__");
cpp_define (parse_in, "__x86_64");
cpp_define (parse_in, "__x86_64__");
if (TARGET_X32)
{
cpp_define (parse_in, "_ILP32");
cpp_define (parse_in, "__ILP32__");
}
}
else
{
cpp_assert (parse_in, "cpu=i386");
cpp_assert (parse_in, "machine=i386");
builtin_define_std ("i386");
}
ix86_target_macros_internal (ix86_isa_flags,
ix86_arch,
ix86_tune,
ix86_fpmath,
cpp_define);
}
/* Register target pragmas. We need to add the hook for parsing #pragma GCC
option here rather than in i386.c since it will pull in various preprocessor
functions, and those are not present in languages like fortran without a
preprocessor. */
void
ix86_register_pragmas (void)
{
/* Update pragma hook to allow parsing #pragma GCC target. */
targetm.target_option.pragma_parse = ix86_pragma_target_parse;
#ifdef REGISTER_SUBTARGET_PRAGMAS
REGISTER_SUBTARGET_PRAGMAS ();
#endif
}
|
