1 /* Subroutines used for macro/preprocessor support on the ia-32.
2    Copyright (C) 2008-2020 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10 
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3.  If not see
18 <http://www.gnu.org/licenses/>.  */
19 
20 #define IN_TARGET_CODE 1
21 
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "target.h"
26 #include "c-family/c-common.h"
27 #include "memmodel.h"
28 #include "tm_p.h"
29 #include "c-family/c-pragma.h"
30 
31 static bool ix86_pragma_target_parse (tree, tree);
32 static void ix86_target_macros_internal
33   (HOST_WIDE_INT, HOST_WIDE_INT, enum processor_type, enum processor_type, enum fpmath_unit,
34    void (*def_or_undef) (cpp_reader *, const char *));
35 
36 /* Internal function to either define or undef the appropriate system
37    macros.  */
38 static void
ix86_target_macros_internal(HOST_WIDE_INT isa_flag,HOST_WIDE_INT isa_flag2,enum processor_type arch,enum processor_type tune,enum fpmath_unit fpmath,void (* def_or_undef)(cpp_reader *,const char *))39 ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
40 			     HOST_WIDE_INT isa_flag2,
41 			     enum processor_type arch,
42 			     enum processor_type tune,
43 			     enum fpmath_unit fpmath,
44 			     void (*def_or_undef) (cpp_reader *,
45 						   const char *))
46 {
47   /* For some of the k6/pentium varients there weren't separate ISA bits to
48      identify which tune/arch flag was passed, so figure it out here.  */
49   size_t arch_len = strlen (ix86_arch_string);
50   size_t tune_len = strlen (ix86_tune_string);
51   int last_arch_char = ix86_arch_string[arch_len - 1];
52   int last_tune_char = ix86_tune_string[tune_len - 1];
53 
54   /* Built-ins based on -march=.  */
55   switch (arch)
56     {
57     case PROCESSOR_I386:
58       break;
59     case PROCESSOR_I486:
60       def_or_undef (parse_in, "__i486");
61       def_or_undef (parse_in, "__i486__");
62       break;
63     case PROCESSOR_LAKEMONT:
64       /* Intel MCU is based on Intel Pentium CPU.  */
65     case PROCESSOR_PENTIUM:
66       def_or_undef (parse_in, "__i586");
67       def_or_undef (parse_in, "__i586__");
68       def_or_undef (parse_in, "__pentium");
69       def_or_undef (parse_in, "__pentium__");
70       if (isa_flag & OPTION_MASK_ISA_MMX)
71 	def_or_undef (parse_in, "__pentium_mmx__");
72       break;
73     case PROCESSOR_PENTIUMPRO:
74       def_or_undef (parse_in, "__i686");
75       def_or_undef (parse_in, "__i686__");
76       def_or_undef (parse_in, "__pentiumpro");
77       def_or_undef (parse_in, "__pentiumpro__");
78       break;
79     case PROCESSOR_GEODE:
80       def_or_undef (parse_in, "__geode");
81       def_or_undef (parse_in, "__geode__");
82       break;
83     case PROCESSOR_K6:
84       def_or_undef (parse_in, "__k6");
85       def_or_undef (parse_in, "__k6__");
86       if (last_arch_char == '2')
87 	def_or_undef (parse_in, "__k6_2__");
88       else if (last_arch_char == '3')
89 	def_or_undef (parse_in, "__k6_3__");
90       else if (isa_flag & OPTION_MASK_ISA_3DNOW)
91 	def_or_undef (parse_in, "__k6_3__");
92       break;
93     case PROCESSOR_ATHLON:
94       def_or_undef (parse_in, "__athlon");
95       def_or_undef (parse_in, "__athlon__");
96       if (isa_flag & OPTION_MASK_ISA_SSE)
97 	def_or_undef (parse_in, "__athlon_sse__");
98       break;
99     case PROCESSOR_K8:
100       def_or_undef (parse_in, "__k8");
101       def_or_undef (parse_in, "__k8__");
102       break;
103     case PROCESSOR_AMDFAM10:
104       def_or_undef (parse_in, "__amdfam10");
105       def_or_undef (parse_in, "__amdfam10__");
106       break;
107     case PROCESSOR_BDVER1:
108       def_or_undef (parse_in, "__bdver1");
109       def_or_undef (parse_in, "__bdver1__");
110       break;
111     case PROCESSOR_BDVER2:
112       def_or_undef (parse_in, "__bdver2");
113       def_or_undef (parse_in, "__bdver2__");
114       break;
115     case PROCESSOR_BDVER3:
116       def_or_undef (parse_in, "__bdver3");
117       def_or_undef (parse_in, "__bdver3__");
118       break;
119     case PROCESSOR_BDVER4:
120       def_or_undef (parse_in, "__bdver4");
121       def_or_undef (parse_in, "__bdver4__");
122       break;
123     case PROCESSOR_ZNVER1:
124       def_or_undef (parse_in, "__znver1");
125       def_or_undef (parse_in, "__znver1__");
126       break;
127     case PROCESSOR_ZNVER2:
128       def_or_undef (parse_in, "__znver2");
129       def_or_undef (parse_in, "__znver2__");
130       break;
131     case PROCESSOR_ZNVER3:
132       def_or_undef (parse_in, "__znver3");
133       def_or_undef (parse_in, "__znver3__");
134       break;
135     case PROCESSOR_BTVER1:
136       def_or_undef (parse_in, "__btver1");
137       def_or_undef (parse_in, "__btver1__");
138       break;
139     case PROCESSOR_BTVER2:
140       def_or_undef (parse_in, "__btver2");
141       def_or_undef (parse_in, "__btver2__");
142       break;
143     case PROCESSOR_PENTIUM4:
144       def_or_undef (parse_in, "__pentium4");
145       def_or_undef (parse_in, "__pentium4__");
146       break;
147     case PROCESSOR_NOCONA:
148       def_or_undef (parse_in, "__nocona");
149       def_or_undef (parse_in, "__nocona__");
150       break;
151     case PROCESSOR_CORE2:
152       def_or_undef (parse_in, "__core2");
153       def_or_undef (parse_in, "__core2__");
154       break;
155     case PROCESSOR_NEHALEM:
156       def_or_undef (parse_in, "__corei7");
157       def_or_undef (parse_in, "__corei7__");
158       def_or_undef (parse_in, "__nehalem");
159       def_or_undef (parse_in, "__nehalem__");
160       break;
161     case PROCESSOR_SANDYBRIDGE:
162       def_or_undef (parse_in, "__corei7_avx");
163       def_or_undef (parse_in, "__corei7_avx__");
164       def_or_undef (parse_in, "__sandybridge");
165       def_or_undef (parse_in, "__sandybridge__");
166       break;
167     case PROCESSOR_HASWELL:
168       def_or_undef (parse_in, "__core_avx2");
169       def_or_undef (parse_in, "__core_avx2__");
170       def_or_undef (parse_in, "__haswell");
171       def_or_undef (parse_in, "__haswell__");
172       break;
173     case PROCESSOR_BONNELL:
174       def_or_undef (parse_in, "__atom");
175       def_or_undef (parse_in, "__atom__");
176       def_or_undef (parse_in, "__bonnell");
177       def_or_undef (parse_in, "__bonnell__");
178       break;
179     case PROCESSOR_SILVERMONT:
180       def_or_undef (parse_in, "__slm");
181       def_or_undef (parse_in, "__slm__");
182       def_or_undef (parse_in, "__silvermont");
183       def_or_undef (parse_in, "__silvermont__");
184       break;
185     case PROCESSOR_GOLDMONT:
186       def_or_undef (parse_in, "__goldmont");
187       def_or_undef (parse_in, "__goldmont__");
188       break;
189     case PROCESSOR_GOLDMONT_PLUS:
190       def_or_undef (parse_in, "__goldmont_plus");
191       def_or_undef (parse_in, "__goldmont_plus__");
192       break;
193     case PROCESSOR_TREMONT:
194       def_or_undef (parse_in, "__tremont");
195       def_or_undef (parse_in, "__tremont__");
196       break;
197     case PROCESSOR_KNL:
198       def_or_undef (parse_in, "__knl");
199       def_or_undef (parse_in, "__knl__");
200       break;
201     case PROCESSOR_KNM:
202       def_or_undef (parse_in, "__knm");
203       def_or_undef (parse_in, "__knm__");
204       break;
205     case PROCESSOR_SKYLAKE:
206       def_or_undef (parse_in, "__skylake");
207       def_or_undef (parse_in, "__skylake__");
208       break;
209     case PROCESSOR_SKYLAKE_AVX512:
210       def_or_undef (parse_in, "__skylake_avx512");
211       def_or_undef (parse_in, "__skylake_avx512__");
212       break;
213     case PROCESSOR_CANNONLAKE:
214       def_or_undef (parse_in, "__cannonlake");
215       def_or_undef (parse_in, "__cannonlake__");
216       break;
217     case PROCESSOR_ICELAKE_CLIENT:
218       def_or_undef (parse_in, "__icelake_client");
219       def_or_undef (parse_in, "__icelake_client__");
220       break;
221     case PROCESSOR_ICELAKE_SERVER:
222       def_or_undef (parse_in, "__icelake_server");
223       def_or_undef (parse_in, "__icelake_server__");
224       break;
225     case PROCESSOR_CASCADELAKE:
226       def_or_undef (parse_in, "__cascadelake");
227       def_or_undef (parse_in, "__cascadelake__");
228       break;
229     case PROCESSOR_TIGERLAKE:
230       def_or_undef (parse_in, "__tigerlake");
231       def_or_undef (parse_in, "__tigerlake__");
232       break;
233     case PROCESSOR_COOPERLAKE:
234       def_or_undef (parse_in, "__cooperlake");
235       def_or_undef (parse_in, "__cooperlake__");
236     /* use PROCESSOR_max to not set/unset the arch macro.  */
237     case PROCESSOR_max:
238       break;
239     case PROCESSOR_INTEL:
240     case PROCESSOR_GENERIC:
241       gcc_unreachable ();
242     }
243 
244   /* Built-ins based on -mtune=.  */
245   switch (tune)
246     {
247     case PROCESSOR_I386:
248       def_or_undef (parse_in, "__tune_i386__");
249       break;
250     case PROCESSOR_I486:
251       def_or_undef (parse_in, "__tune_i486__");
252       break;
253     case PROCESSOR_PENTIUM:
254       def_or_undef (parse_in, "__tune_i586__");
255       def_or_undef (parse_in, "__tune_pentium__");
256       if (last_tune_char == 'x')
257 	def_or_undef (parse_in, "__tune_pentium_mmx__");
258       break;
259     case PROCESSOR_PENTIUMPRO:
260       def_or_undef (parse_in, "__tune_i686__");
261       def_or_undef (parse_in, "__tune_pentiumpro__");
262       switch (last_tune_char)
263 	{
264 	case '3':
265 	  def_or_undef (parse_in, "__tune_pentium3__");
266 	  /* FALLTHRU */
267 	case '2':
268 	  def_or_undef (parse_in, "__tune_pentium2__");
269 	  break;
270 	}
271       break;
272     case PROCESSOR_GEODE:
273       def_or_undef (parse_in, "__tune_geode__");
274       break;
275     case PROCESSOR_K6:
276       def_or_undef (parse_in, "__tune_k6__");
277       if (last_tune_char == '2')
278 	def_or_undef (parse_in, "__tune_k6_2__");
279       else if (last_tune_char == '3')
280 	def_or_undef (parse_in, "__tune_k6_3__");
281       else if (isa_flag & OPTION_MASK_ISA_3DNOW)
282 	def_or_undef (parse_in, "__tune_k6_3__");
283       break;
284     case PROCESSOR_ATHLON:
285       def_or_undef (parse_in, "__tune_athlon__");
286       if (isa_flag & OPTION_MASK_ISA_SSE)
287 	def_or_undef (parse_in, "__tune_athlon_sse__");
288       break;
289     case PROCESSOR_K8:
290       def_or_undef (parse_in, "__tune_k8__");
291       break;
292     case PROCESSOR_AMDFAM10:
293       def_or_undef (parse_in, "__tune_amdfam10__");
294       break;
295     case PROCESSOR_BDVER1:
296       def_or_undef (parse_in, "__tune_bdver1__");
297       break;
298     case PROCESSOR_BDVER2:
299       def_or_undef (parse_in, "__tune_bdver2__");
300       break;
301     case PROCESSOR_BDVER3:
302       def_or_undef (parse_in, "__tune_bdver3__");
303       break;
304     case PROCESSOR_BDVER4:
305       def_or_undef (parse_in, "__tune_bdver4__");
306       break;
307     case PROCESSOR_ZNVER1:
308       def_or_undef (parse_in, "__tune_znver1__");
309       break;
310     case PROCESSOR_ZNVER2:
311       def_or_undef (parse_in, "__tune_znver2__");
312       break;
313     case PROCESSOR_ZNVER3:
314       def_or_undef (parse_in, "__tune_znver3__");
315       break;
316     case PROCESSOR_BTVER1:
317       def_or_undef (parse_in, "__tune_btver1__");
318       break;
319     case PROCESSOR_BTVER2:
320       def_or_undef (parse_in, "__tune_btver2__");
321        break;
322     case PROCESSOR_PENTIUM4:
323       def_or_undef (parse_in, "__tune_pentium4__");
324       break;
325     case PROCESSOR_NOCONA:
326       def_or_undef (parse_in, "__tune_nocona__");
327       break;
328     case PROCESSOR_CORE2:
329       def_or_undef (parse_in, "__tune_core2__");
330       break;
331     case PROCESSOR_NEHALEM:
332       def_or_undef (parse_in, "__tune_corei7__");
333       def_or_undef (parse_in, "__tune_nehalem__");
334       break;
335     case PROCESSOR_SANDYBRIDGE:
336       def_or_undef (parse_in, "__tune_corei7_avx__");
337       def_or_undef (parse_in, "__tune_sandybridge__");
338       break;
339     case PROCESSOR_HASWELL:
340       def_or_undef (parse_in, "__tune_core_avx2__");
341       def_or_undef (parse_in, "__tune_haswell__");
342       break;
343     case PROCESSOR_BONNELL:
344       def_or_undef (parse_in, "__tune_atom__");
345       def_or_undef (parse_in, "__tune_bonnell__");
346       break;
347     case PROCESSOR_SILVERMONT:
348       def_or_undef (parse_in, "__tune_slm__");
349       def_or_undef (parse_in, "__tune_silvermont__");
350       break;
351     case PROCESSOR_GOLDMONT:
352       def_or_undef (parse_in, "__tune_goldmont__");
353       break;
354     case PROCESSOR_GOLDMONT_PLUS:
355       def_or_undef (parse_in, "__tune_goldmont_plus__");
356       break;
357     case PROCESSOR_TREMONT:
358       def_or_undef (parse_in, "__tune_tremont__");
359       break;
360     case PROCESSOR_KNL:
361       def_or_undef (parse_in, "__tune_knl__");
362       break;
363     case PROCESSOR_KNM:
364       def_or_undef (parse_in, "__tune_knm__");
365       break;
366     case PROCESSOR_SKYLAKE:
367       def_or_undef (parse_in, "__tune_skylake__");
368       break;
369     case PROCESSOR_SKYLAKE_AVX512:
370       def_or_undef (parse_in, "__tune_skylake_avx512__");
371       break;
372     case PROCESSOR_CANNONLAKE:
373       def_or_undef (parse_in, "__tune_cannonlake__");
374       break;
375     case PROCESSOR_ICELAKE_CLIENT:
376       def_or_undef (parse_in, "__tune_icelake_client__");
377       break;
378     case PROCESSOR_ICELAKE_SERVER:
379       def_or_undef (parse_in, "__tune_icelake_server__");
380       break;
381     case PROCESSOR_LAKEMONT:
382       def_or_undef (parse_in, "__tune_lakemont__");
383       break;
384     case PROCESSOR_CASCADELAKE:
385       def_or_undef (parse_in, "__tune_cascadelake__");
386       break;
387     case PROCESSOR_TIGERLAKE:
388       def_or_undef (parse_in, "__tune_tigerlake__");
389       break;
390     case PROCESSOR_COOPERLAKE:
391       def_or_undef (parse_in, "__tune_cooperlake__");
392       break;
393     case PROCESSOR_INTEL:
394     case PROCESSOR_GENERIC:
395       break;
396     /* use PROCESSOR_max to not set/unset the tune macro.  */
397     case PROCESSOR_max:
398       break;
399     }
400 
401   switch (ix86_cmodel)
402     {
403     case CM_SMALL:
404     case CM_SMALL_PIC:
405       def_or_undef (parse_in, "__code_model_small__");
406       break;
407     case CM_MEDIUM:
408     case CM_MEDIUM_PIC:
409       def_or_undef (parse_in, "__code_model_medium__");
410       break;
411     case CM_LARGE:
412     case CM_LARGE_PIC:
413       def_or_undef (parse_in, "__code_model_large__");
414       break;
415     case CM_32:
416       def_or_undef (parse_in, "__code_model_32__");
417       break;
418     case CM_KERNEL:
419       def_or_undef (parse_in, "__code_model_kernel__");
420       break;
421     default:
422       ;
423     }
424 
425   if (isa_flag2 & OPTION_MASK_ISA2_WBNOINVD)
426     def_or_undef (parse_in, "__WBNOINVD__");
427   if (isa_flag2 & OPTION_MASK_ISA2_AVX512VP2INTERSECT)
428     def_or_undef (parse_in, "__AVX512VP2INTERSECT__");
429   if (isa_flag & OPTION_MASK_ISA_MMX)
430     def_or_undef (parse_in, "__MMX__");
431   if (isa_flag & OPTION_MASK_ISA_3DNOW)
432     def_or_undef (parse_in, "__3dNOW__");
433   if (isa_flag & OPTION_MASK_ISA_3DNOW_A)
434     def_or_undef (parse_in, "__3dNOW_A__");
435   if (isa_flag & OPTION_MASK_ISA_SSE)
436     def_or_undef (parse_in, "__SSE__");
437   if (isa_flag & OPTION_MASK_ISA_SSE2)
438     def_or_undef (parse_in, "__SSE2__");
439   if (isa_flag & OPTION_MASK_ISA_SSE3)
440     def_or_undef (parse_in, "__SSE3__");
441   if (isa_flag & OPTION_MASK_ISA_SSSE3)
442     def_or_undef (parse_in, "__SSSE3__");
443   if (isa_flag & OPTION_MASK_ISA_SSE4_1)
444     def_or_undef (parse_in, "__SSE4_1__");
445   if (isa_flag & OPTION_MASK_ISA_SSE4_2)
446     def_or_undef (parse_in, "__SSE4_2__");
447   if (isa_flag & OPTION_MASK_ISA_AES)
448     def_or_undef (parse_in, "__AES__");
449   if (isa_flag & OPTION_MASK_ISA_SHA)
450     def_or_undef (parse_in, "__SHA__");
451   if (isa_flag & OPTION_MASK_ISA_PCLMUL)
452     def_or_undef (parse_in, "__PCLMUL__");
453   if (isa_flag & OPTION_MASK_ISA_AVX)
454     def_or_undef (parse_in, "__AVX__");
455   if (isa_flag & OPTION_MASK_ISA_AVX2)
456     def_or_undef (parse_in, "__AVX2__");
457   if (isa_flag & OPTION_MASK_ISA_AVX512F)
458     def_or_undef (parse_in, "__AVX512F__");
459   if (isa_flag & OPTION_MASK_ISA_AVX512ER)
460     def_or_undef (parse_in, "__AVX512ER__");
461   if (isa_flag & OPTION_MASK_ISA_AVX512CD)
462     def_or_undef (parse_in, "__AVX512CD__");
463   if (isa_flag & OPTION_MASK_ISA_AVX512PF)
464     def_or_undef (parse_in, "__AVX512PF__");
465   if (isa_flag & OPTION_MASK_ISA_AVX512DQ)
466     def_or_undef (parse_in, "__AVX512DQ__");
467   if (isa_flag & OPTION_MASK_ISA_AVX512BW)
468     def_or_undef (parse_in, "__AVX512BW__");
469   if (isa_flag & OPTION_MASK_ISA_AVX512VL)
470     def_or_undef (parse_in, "__AVX512VL__");
471   if (isa_flag & OPTION_MASK_ISA_AVX512VBMI)
472     def_or_undef (parse_in, "__AVX512VBMI__");
473   if (isa_flag & OPTION_MASK_ISA_AVX512IFMA)
474     def_or_undef (parse_in, "__AVX512IFMA__");
475   if (isa_flag2 & OPTION_MASK_ISA2_AVX5124VNNIW)
476     def_or_undef (parse_in, "__AVX5124VNNIW__");
477   if (isa_flag & OPTION_MASK_ISA_AVX512VBMI2)
478     def_or_undef (parse_in, "__AVX512VBMI2__");
479   if (isa_flag & OPTION_MASK_ISA_AVX512VNNI)
480     def_or_undef (parse_in, "__AVX512VNNI__");
481   if (isa_flag2 & OPTION_MASK_ISA2_PCONFIG)
482     def_or_undef (parse_in, "__PCONFIG__");
483   if (isa_flag2 & OPTION_MASK_ISA2_SGX)
484     def_or_undef (parse_in, "__SGX__");
485   if (isa_flag2 & OPTION_MASK_ISA2_AVX5124FMAPS)
486     def_or_undef (parse_in, "__AVX5124FMAPS__");
487   if (isa_flag & OPTION_MASK_ISA_AVX512BITALG)
488     def_or_undef (parse_in, "__AVX512BITALG__");
489   if (isa_flag & OPTION_MASK_ISA_AVX512VPOPCNTDQ)
490     def_or_undef (parse_in, "__AVX512VPOPCNTDQ__");
491   if (isa_flag & OPTION_MASK_ISA_FMA)
492     def_or_undef (parse_in, "__FMA__");
493   if (isa_flag & OPTION_MASK_ISA_RTM)
494     def_or_undef (parse_in, "__RTM__");
495   if (isa_flag & OPTION_MASK_ISA_SSE4A)
496     def_or_undef (parse_in, "__SSE4A__");
497   if (isa_flag & OPTION_MASK_ISA_FMA4)
498     def_or_undef (parse_in, "__FMA4__");
499   if (isa_flag & OPTION_MASK_ISA_XOP)
500     def_or_undef (parse_in, "__XOP__");
501   if (isa_flag & OPTION_MASK_ISA_LWP)
502     def_or_undef (parse_in, "__LWP__");
503   if (isa_flag & OPTION_MASK_ISA_ABM)
504     def_or_undef (parse_in, "__ABM__");
505   if (isa_flag & OPTION_MASK_ISA_BMI)
506     def_or_undef (parse_in, "__BMI__");
507   if (isa_flag & OPTION_MASK_ISA_BMI2)
508     def_or_undef (parse_in, "__BMI2__");
509   if (isa_flag & OPTION_MASK_ISA_LZCNT)
510     def_or_undef (parse_in, "__LZCNT__");
511   if (isa_flag & OPTION_MASK_ISA_TBM)
512     def_or_undef (parse_in, "__TBM__");
513   if (isa_flag & OPTION_MASK_ISA_POPCNT)
514     def_or_undef (parse_in, "__POPCNT__");
515   if (isa_flag & OPTION_MASK_ISA_FSGSBASE)
516     def_or_undef (parse_in, "__FSGSBASE__");
517   if (isa_flag & OPTION_MASK_ISA_RDRND)
518     def_or_undef (parse_in, "__RDRND__");
519   if (isa_flag & OPTION_MASK_ISA_F16C)
520     def_or_undef (parse_in, "__F16C__");
521   if (isa_flag & OPTION_MASK_ISA_RDSEED)
522     def_or_undef (parse_in, "__RDSEED__");
523   if (isa_flag & OPTION_MASK_ISA_PRFCHW)
524     def_or_undef (parse_in, "__PRFCHW__");
525   if (isa_flag & OPTION_MASK_ISA_ADX)
526     def_or_undef (parse_in, "__ADX__");
527   if (isa_flag & OPTION_MASK_ISA_FXSR)
528     def_or_undef (parse_in, "__FXSR__");
529   if (isa_flag & OPTION_MASK_ISA_XSAVE)
530     def_or_undef (parse_in, "__XSAVE__");
531   if (isa_flag & OPTION_MASK_ISA_XSAVEOPT)
532     def_or_undef (parse_in, "__XSAVEOPT__");
533   if (isa_flag & OPTION_MASK_ISA_PREFETCHWT1)
534     def_or_undef (parse_in, "__PREFETCHWT1__");
535   if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE))
536     def_or_undef (parse_in, "__SSE_MATH__");
537   if ((fpmath & FPMATH_SSE) && (isa_flag & OPTION_MASK_ISA_SSE2))
538     def_or_undef (parse_in, "__SSE2_MATH__");
539   if (isa_flag & OPTION_MASK_ISA_CLFLUSHOPT)
540     def_or_undef (parse_in, "__CLFLUSHOPT__");
541   if (isa_flag2 & OPTION_MASK_ISA2_CLZERO)
542     def_or_undef (parse_in, "__CLZERO__");
543   if (isa_flag & OPTION_MASK_ISA_XSAVEC)
544     def_or_undef (parse_in, "__XSAVEC__");
545   if (isa_flag & OPTION_MASK_ISA_XSAVES)
546     def_or_undef (parse_in, "__XSAVES__");
547   if (isa_flag & OPTION_MASK_ISA_CLWB)
548     def_or_undef (parse_in, "__CLWB__");
549   if (isa_flag2 & OPTION_MASK_ISA2_MWAITX)
550     def_or_undef (parse_in, "__MWAITX__");
551   if (isa_flag & OPTION_MASK_ISA_PKU)
552     def_or_undef (parse_in, "__PKU__");
553   if (isa_flag2 & OPTION_MASK_ISA2_RDPID)
554     def_or_undef (parse_in, "__RDPID__");
555   if (isa_flag & OPTION_MASK_ISA_GFNI)
556     def_or_undef (parse_in, "__GFNI__");
557   if ((isa_flag & OPTION_MASK_ISA_SHSTK))
558     def_or_undef (parse_in, "__SHSTK__");
559   if (isa_flag2 & OPTION_MASK_ISA2_VAES)
560     def_or_undef (parse_in, "__VAES__");
561   if (isa_flag & OPTION_MASK_ISA_VPCLMULQDQ)
562     def_or_undef (parse_in, "__VPCLMULQDQ__");
563   if (isa_flag & OPTION_MASK_ISA_MOVDIRI)
564     def_or_undef (parse_in, "__MOVDIRI__");
565   if (isa_flag2 & OPTION_MASK_ISA2_MOVDIR64B)
566     def_or_undef (parse_in, "__MOVDIR64B__");
567   if (isa_flag2 & OPTION_MASK_ISA2_WAITPKG)
568     def_or_undef (parse_in, "__WAITPKG__");
569   if (isa_flag2 & OPTION_MASK_ISA2_CLDEMOTE)
570     def_or_undef (parse_in, "__CLDEMOTE__");
571   if (isa_flag2 & OPTION_MASK_ISA2_PTWRITE)
572     def_or_undef (parse_in, "__PTWRITE__");
573   if (isa_flag2 & OPTION_MASK_ISA2_AVX512BF16)
574     def_or_undef (parse_in, "__AVX512BF16__");
575   if (TARGET_MMX_WITH_SSE)
576     def_or_undef (parse_in, "__MMX_WITH_SSE__");
577   if (isa_flag2 & OPTION_MASK_ISA2_ENQCMD)
578     def_or_undef (parse_in, "__ENQCMD__");
579   if (TARGET_IAMCU)
580     {
581       def_or_undef (parse_in, "__iamcu");
582       def_or_undef (parse_in, "__iamcu__");
583     }
584 }
585 
586 
587 /* Hook to validate the current #pragma GCC target and set the state, and
588    update the macros based on what was changed.  If ARGS is NULL, then
589    POP_TARGET is used to reset the options.  */
590 
591 static bool
ix86_pragma_target_parse(tree args,tree pop_target)592 ix86_pragma_target_parse (tree args, tree pop_target)
593 {
594   tree prev_tree = build_target_option_node (&global_options);
595   tree cur_tree;
596   struct cl_target_option *prev_opt;
597   struct cl_target_option *cur_opt;
598   HOST_WIDE_INT prev_isa;
599   HOST_WIDE_INT cur_isa;
600   HOST_WIDE_INT diff_isa;
601   HOST_WIDE_INT prev_isa2;
602   HOST_WIDE_INT cur_isa2;
603   HOST_WIDE_INT diff_isa2;
604   enum processor_type prev_arch;
605   enum processor_type prev_tune;
606   enum processor_type cur_arch;
607   enum processor_type cur_tune;
608 
609   if (! args)
610     {
611       cur_tree = (pop_target ? pop_target : target_option_default_node);
612       cl_target_option_restore (&global_options,
613 				TREE_TARGET_OPTION (cur_tree));
614     }
615   else
616     {
617       cur_tree = ix86_valid_target_attribute_tree (NULL_TREE, args,
618 						   &global_options,
619 						   &global_options_set, 0);
620       if (!cur_tree || cur_tree == error_mark_node)
621        {
622          cl_target_option_restore (&global_options,
623                                    TREE_TARGET_OPTION (prev_tree));
624          return false;
625        }
626     }
627 
628   target_option_current_node = cur_tree;
629   ix86_reset_previous_fndecl ();
630 
631   /* Figure out the previous/current isa, arch, tune and the differences.  */
632   prev_opt  = TREE_TARGET_OPTION (prev_tree);
633   cur_opt   = TREE_TARGET_OPTION (cur_tree);
634   prev_isa  = prev_opt->x_ix86_isa_flags;
635   cur_isa   = cur_opt->x_ix86_isa_flags;
636   diff_isa  = (prev_isa ^ cur_isa);
637   prev_isa2  = prev_opt->x_ix86_isa_flags2;
638   cur_isa2   = cur_opt->x_ix86_isa_flags2;
639   diff_isa2  = (prev_isa2 ^ cur_isa2);
640   prev_arch = (enum processor_type) prev_opt->arch;
641   prev_tune = (enum processor_type) prev_opt->tune;
642   cur_arch  = (enum processor_type) cur_opt->arch;
643   cur_tune  = (enum processor_type) cur_opt->tune;
644 
645   /* If the same processor is used for both previous and current options, don't
646      change the macros.  */
647   if (cur_arch == prev_arch)
648     cur_arch = prev_arch = PROCESSOR_max;
649 
650   if (cur_tune == prev_tune)
651     cur_tune = prev_tune = PROCESSOR_max;
652 
653   /* Undef all of the macros for that are no longer current.  */
654   ix86_target_macros_internal (prev_isa & diff_isa,
655 			       prev_isa2 & diff_isa2,
656 			       prev_arch,
657 			       prev_tune,
658 			       (enum fpmath_unit) prev_opt->x_ix86_fpmath,
659 			       cpp_undef);
660 
661   /* For the definitions, ensure all newly defined macros are considered
662      as used for -Wunused-macros.  There is no point warning about the
663      compiler predefined macros.  */
664   cpp_options *cpp_opts = cpp_get_options (parse_in);
665   unsigned char saved_warn_unused_macros = cpp_opts->warn_unused_macros;
666   cpp_opts->warn_unused_macros = 0;
667 
668   /* Define all of the macros for new options that were just turned on.  */
669   ix86_target_macros_internal (cur_isa & diff_isa,
670 			       cur_isa2 & diff_isa2,
671 			       cur_arch,
672 			       cur_tune,
673 			       (enum fpmath_unit) cur_opt->x_ix86_fpmath,
674 			       cpp_define);
675 
676   cpp_opts->warn_unused_macros = saved_warn_unused_macros;
677 
678   return true;
679 }
680 
681 /* Function to tell the preprocessor about the defines for the current target.  */
682 
683 void
ix86_target_macros(void)684 ix86_target_macros (void)
685 {
686   /* 32/64-bit won't change with target specific options, so do the assert and
687      builtin_define_std calls here.  */
688   if (TARGET_64BIT)
689     {
690       cpp_assert (parse_in, "cpu=x86_64");
691       cpp_assert (parse_in, "machine=x86_64");
692       cpp_define (parse_in, "__amd64");
693       cpp_define (parse_in, "__amd64__");
694       cpp_define (parse_in, "__x86_64");
695       cpp_define (parse_in, "__x86_64__");
696       if (TARGET_X32)
697 	{
698 	  cpp_define (parse_in, "_ILP32");
699 	  cpp_define (parse_in, "__ILP32__");
700 	}
701     }
702   else
703     {
704       cpp_assert (parse_in, "cpu=i386");
705       cpp_assert (parse_in, "machine=i386");
706       builtin_define_std ("i386");
707       cpp_define (parse_in, "_ILP32");
708       cpp_define (parse_in, "__ILP32__");
709     }
710 
711   if (!TARGET_80387)
712     cpp_define (parse_in, "_SOFT_FLOAT");
713 
714   if (TARGET_LONG_DOUBLE_64)
715     cpp_define (parse_in, "__LONG_DOUBLE_64__");
716 
717   if (TARGET_LONG_DOUBLE_128)
718     cpp_define (parse_in, "__LONG_DOUBLE_128__");
719 
720   if (TARGET_128BIT_LONG_DOUBLE)
721     cpp_define (parse_in, "__SIZEOF_FLOAT80__=16");
722   else
723     cpp_define (parse_in, "__SIZEOF_FLOAT80__=12");
724 
725   cpp_define (parse_in, "__SIZEOF_FLOAT128__=16");
726 
727   cpp_define_formatted (parse_in, "__ATOMIC_HLE_ACQUIRE=%d", IX86_HLE_ACQUIRE);
728   cpp_define_formatted (parse_in, "__ATOMIC_HLE_RELEASE=%d", IX86_HLE_RELEASE);
729 
730   cpp_define (parse_in, "__GCC_ASM_FLAG_OUTPUTS__");
731 
732   ix86_target_macros_internal (ix86_isa_flags,
733 			       ix86_isa_flags2,
734 			       ix86_arch,
735 			       ix86_tune,
736 			       ix86_fpmath,
737 			       cpp_define);
738 
739   cpp_define (parse_in, "__SEG_FS");
740   cpp_define (parse_in, "__SEG_GS");
741 
742   if (flag_cf_protection != CF_NONE)
743     cpp_define_formatted (parse_in, "__CET__=%d",
744 			  flag_cf_protection & ~CF_SET);
745 }
746 
747 
748 /* Register target pragmas.  We need to add the hook for parsing #pragma GCC
749    option here rather than in i386.c since it will pull in various preprocessor
750    functions, and those are not present in languages like fortran without a
751    preprocessor.  */
752 
753 void
ix86_register_pragmas(void)754 ix86_register_pragmas (void)
755 {
756   /* Update pragma hook to allow parsing #pragma GCC target.  */
757   targetm.target_option.pragma_parse = ix86_pragma_target_parse;
758 
759   c_register_addr_space ("__seg_fs", ADDR_SPACE_SEG_FS);
760   c_register_addr_space ("__seg_gs", ADDR_SPACE_SEG_GS);
761 
762 #ifdef REGISTER_SUBTARGET_PRAGMAS
763   REGISTER_SUBTARGET_PRAGMAS ();
764 #endif
765 }
766