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6dd2a13c RO |
1 | # Copyright (C) 1999, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, |
2 | # 2011 Free Software Foundation, Inc. | |
71152e6d NC |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
cd976c16 | 6 | # the Free Software Foundation; either version 3 of the License, or |
71152e6d | 7 | # (at your option) any later version. |
21526606 | 8 | # |
71152e6d NC |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
21526606 | 13 | # |
71152e6d | 14 | # You should have received a copy of the GNU General Public License |
cd976c16 NC |
15 | # along with GCC; see the file COPYING3. If not see |
16 | # <http://www.gnu.org/licenses/>. | |
71152e6d NC |
17 | |
18 | # Please email any bugs, comments, and/or additions to this file to: | |
19 | # gcc-patches@gcc.gnu.org | |
20 | ||
21 | # This file defines procs for determining features supported by the target. | |
22 | ||
0ffd38c8 RS |
23 | # Try to compile the code given by CONTENTS into an output file of |
24 | # type TYPE, where TYPE is as for target_compile. Return a list | |
25 | # whose first element contains the compiler messages and whose | |
26 | # second element is the name of the output file. | |
b6dc500c | 27 | # |
0ffd38c8 RS |
28 | # BASENAME is a prefix to use for source and output files. |
29 | # If ARGS is not empty, its first element is a string that | |
30 | # should be added to the command line. | |
31 | # | |
9debda96 IS |
32 | # Assume by default that CONTENTS is C code. |
33 | # Otherwise, code should contain: | |
34 | # "// C++" for c++, | |
35 | # "! Fortran" for Fortran code, | |
36 | # "/* ObjC", for ObjC | |
7a938933 ILT |
37 | # "// ObjC++" for ObjC++ |
38 | # and "// Go" for Go | |
9debda96 IS |
39 | # If the tool is ObjC/ObjC++ then we overide the extension to .m/.mm to |
40 | # allow for ObjC/ObjC++ specific flags. | |
0ffd38c8 | 41 | proc check_compile {basename type contents args} { |
b6dc500c | 42 | global tool |
9debda96 | 43 | verbose "check_compile tool: $tool for $basename" |
b6dc500c | 44 | |
b6e3f572 | 45 | if { [llength $args] > 0 } { |
c03b9206 | 46 | set options [list "additional_flags=[lindex $args 0]"] |
b6e3f572 HPN |
47 | } else { |
48 | set options "" | |
49 | } | |
0ffd38c8 RS |
50 | switch -glob -- $contents { |
51 | "*! Fortran*" { set src ${basename}[pid].f90 } | |
52 | "*// C++*" { set src ${basename}[pid].cc } | |
9debda96 IS |
53 | "*// ObjC++*" { set src ${basename}[pid].mm } |
54 | "*/* ObjC*" { set src ${basename}[pid].m } | |
7a938933 | 55 | "*// Go*" { set src ${basename}[pid].go } |
9debda96 IS |
56 | default { |
57 | switch -- $tool { | |
58 | "objc" { set src ${basename}[pid].m } | |
59 | "obj-c++" { set src ${basename}[pid].mm } | |
60 | default { set src ${basename}[pid].c } | |
61 | } | |
62 | } | |
0ffd38c8 | 63 | } |
9debda96 | 64 | |
ca8b555b HPN |
65 | set compile_type $type |
66 | switch -glob $type { | |
b6dc500c JJ |
67 | assembly { set output ${basename}[pid].s } |
68 | object { set output ${basename}[pid].o } | |
0ffd38c8 | 69 | executable { set output ${basename}[pid].exe } |
ca8b555b HPN |
70 | "rtl-*" { |
71 | set output ${basename}[pid].s | |
72 | lappend options "additional_flags=-fdump-$type" | |
73 | set compile_type assembly | |
74 | } | |
b6dc500c JJ |
75 | } |
76 | set f [open $src "w"] | |
77 | puts $f $contents | |
78 | close $f | |
ca8b555b | 79 | set lines [${tool}_target_compile $src $output $compile_type "$options"] |
b6dc500c | 80 | file delete $src |
b6dc500c | 81 | |
ca8b555b HPN |
82 | set scan_output $output |
83 | # Don't try folding this into the switch above; calling "glob" before the | |
84 | # file is created won't work. | |
85 | if [regexp "rtl-(.*)" $type dummy rtl_type] { | |
86 | set scan_output "[glob $src.\[0-9\]\[0-9\]\[0-9\]r.$rtl_type]" | |
87 | file delete $output | |
88 | } | |
89 | ||
90 | return [list $lines $scan_output] | |
b6dc500c JJ |
91 | } |
92 | ||
635b0f2a JJ |
93 | proc current_target_name { } { |
94 | global target_info | |
95 | if [info exists target_info(target,name)] { | |
96 | set answer $target_info(target,name) | |
97 | } else { | |
98 | set answer "" | |
99 | } | |
100 | return $answer | |
101 | } | |
102 | ||
8ce1ac69 | 103 | # Implement an effective-target check for property PROP by invoking |
1018b4c3 RS |
104 | # the Tcl command ARGS and seeing if it returns true. |
105 | ||
106 | proc check_cached_effective_target { prop args } { | |
8ce1ac69 RS |
107 | global et_cache |
108 | ||
109 | set target [current_target_name] | |
110 | if {![info exists et_cache($prop,target)] | |
111 | || $et_cache($prop,target) != $target} { | |
1018b4c3 | 112 | verbose "check_cached_effective_target $prop: checking $target" 2 |
19450f2b | 113 | set et_cache($prop,target) $target |
1018b4c3 | 114 | set et_cache($prop,value) [uplevel eval $args] |
19450f2b DJ |
115 | } |
116 | set value $et_cache($prop,value) | |
1018b4c3 | 117 | verbose "check_cached_effective_target $prop: returning $value for $target" 2 |
19450f2b DJ |
118 | return $value |
119 | } | |
120 | ||
0ffd38c8 RS |
121 | # Like check_compile, but delete the output file and return true if the |
122 | # compiler printed no messages. | |
123 | proc check_no_compiler_messages_nocache {args} { | |
124 | set result [eval check_compile $args] | |
125 | set lines [lindex $result 0] | |
126 | set output [lindex $result 1] | |
127 | remote_file build delete $output | |
128 | return [string match "" $lines] | |
129 | } | |
130 | ||
131 | # Like check_no_compiler_messages_nocache, but cache the result. | |
132 | # PROP is the property we're checking, and doubles as a prefix for | |
133 | # temporary filenames. | |
1018b4c3 RS |
134 | proc check_no_compiler_messages {prop args} { |
135 | return [check_cached_effective_target $prop { | |
0ffd38c8 | 136 | eval [list check_no_compiler_messages_nocache $prop] $args |
1018b4c3 RS |
137 | }] |
138 | } | |
139 | ||
0ffd38c8 RS |
140 | # Like check_compile, but return true if the compiler printed no |
141 | # messages and if the contents of the output file satisfy PATTERN. | |
142 | # If PATTERN has the form "!REGEXP", the contents satisfy it if they | |
143 | # don't match regular expression REGEXP, otherwise they satisfy it | |
144 | # if they do match regular expression PATTERN. (PATTERN can start | |
145 | # with something like "[!]" if the regular expression needs to match | |
146 | # "!" as the first character.) | |
147 | # | |
148 | # Delete the output file before returning. The other arguments are | |
149 | # as for check_compile. | |
150 | proc check_no_messages_and_pattern_nocache {basename pattern args} { | |
151 | global tool | |
152 | ||
153 | set result [eval [list check_compile $basename] $args] | |
154 | set lines [lindex $result 0] | |
155 | set output [lindex $result 1] | |
156 | ||
157 | set ok 0 | |
158 | if { [string match "" $lines] } { | |
159 | set chan [open "$output"] | |
160 | set invert [regexp {^!(.*)} $pattern dummy pattern] | |
161 | set ok [expr { [regexp $pattern [read $chan]] != $invert }] | |
162 | close $chan | |
163 | } | |
164 | ||
165 | remote_file build delete $output | |
166 | return $ok | |
167 | } | |
168 | ||
169 | # Like check_no_messages_and_pattern_nocache, but cache the result. | |
170 | # PROP is the property we're checking, and doubles as a prefix for | |
171 | # temporary filenames. | |
19450f2b | 172 | proc check_no_messages_and_pattern {prop pattern args} { |
1018b4c3 | 173 | return [check_cached_effective_target $prop { |
0ffd38c8 RS |
174 | eval [list check_no_messages_and_pattern_nocache $prop $pattern] $args |
175 | }] | |
176 | } | |
177 | ||
178 | # Try to compile and run an executable from code CONTENTS. Return true | |
179 | # if the compiler reports no messages and if execution "passes" in the | |
180 | # usual DejaGNU sense. The arguments are as for check_compile, with | |
181 | # TYPE implicitly being "executable". | |
182 | proc check_runtime_nocache {basename contents args} { | |
183 | global tool | |
184 | ||
185 | set result [eval [list check_compile $basename executable $contents] $args] | |
186 | set lines [lindex $result 0] | |
187 | set output [lindex $result 1] | |
188 | ||
189 | set ok 0 | |
190 | if { [string match "" $lines] } { | |
191 | # No error messages, everything is OK. | |
192 | set result [remote_load target "./$output" "" ""] | |
193 | set status [lindex $result 0] | |
194 | verbose "check_runtime_nocache $basename: status is <$status>" 2 | |
195 | if { $status == "pass" } { | |
196 | set ok 1 | |
197 | } | |
198 | } | |
199 | remote_file build delete $output | |
200 | return $ok | |
201 | } | |
202 | ||
203 | # Like check_runtime_nocache, but cache the result. PROP is the | |
204 | # property we're checking, and doubles as a prefix for temporary | |
205 | # filenames. | |
206 | proc check_runtime {prop args} { | |
207 | global tool | |
208 | ||
209 | return [check_cached_effective_target $prop { | |
210 | eval [list check_runtime_nocache $prop] $args | |
1018b4c3 | 211 | }] |
8ce1ac69 RS |
212 | } |
213 | ||
71152e6d NC |
214 | ############################### |
215 | # proc check_weak_available { } | |
216 | ############################### | |
217 | ||
218 | # weak symbols are only supported in some configs/object formats | |
219 | # this proc returns 1 if they're supported, 0 if they're not, or -1 if unsure | |
220 | ||
221 | proc check_weak_available { } { | |
222 | global target_cpu | |
223 | ||
224 | # All mips targets should support it | |
21526606 | 225 | |
71152e6d NC |
226 | if { [ string first "mips" $target_cpu ] >= 0 } { |
227 | return 1 | |
228 | } | |
229 | ||
fa4211cb | 230 | # All solaris2 targets should support it |
21526606 | 231 | |
19073ebc | 232 | if { [istarget *-*-solaris2*] } { |
fa4211cb KG |
233 | return 1 |
234 | } | |
235 | ||
432fa9f2 RO |
236 | # DEC OSF/1/Digital UNIX/Tru64 UNIX supports it |
237 | ||
19073ebc | 238 | if { [istarget alpha*-dec-osf*] } { |
432fa9f2 RO |
239 | return 1 |
240 | } | |
241 | ||
c37780f5 AL |
242 | # Windows targets Cygwin and MingW32 support it |
243 | ||
19073ebc | 244 | if { [istarget *-*-cygwin*] || [istarget *-*-mingw*] } { |
c37780f5 AL |
245 | return 1 |
246 | } | |
247 | ||
6731e86d JDA |
248 | # HP-UX 10.X doesn't support it |
249 | ||
19073ebc | 250 | if { [istarget hppa*-*-hpux10*] } { |
6731e86d JDA |
251 | return 0 |
252 | } | |
253 | ||
71152e6d NC |
254 | # ELF and ECOFF support it. a.out does with gas/gld but may also with |
255 | # other linkers, so we should try it | |
256 | ||
257 | set objformat [gcc_target_object_format] | |
258 | ||
259 | switch $objformat { | |
260 | elf { return 1 } | |
261 | ecoff { return 1 } | |
262 | a.out { return 1 } | |
98f61f57 | 263 | mach-o { return 1 } |
6731e86d | 264 | som { return 1 } |
71152e6d NC |
265 | unknown { return -1 } |
266 | default { return 0 } | |
267 | } | |
268 | } | |
269 | ||
8a0963c3 JM |
270 | ############################### |
271 | # proc check_weak_override_available { } | |
272 | ############################### | |
273 | ||
274 | # Like check_weak_available, but return 0 if weak symbol definitions | |
275 | # cannot be overridden. | |
276 | ||
277 | proc check_weak_override_available { } { | |
19073ebc | 278 | if { [istarget *-*-mingw*] } { |
8a0963c3 JM |
279 | return 0 |
280 | } | |
281 | return [check_weak_available] | |
282 | } | |
283 | ||
facef326 | 284 | ############################### |
d3d9a67f | 285 | # proc check_visibility_available { what_kind } |
facef326 MA |
286 | ############################### |
287 | ||
288 | # The visibility attribute is only support in some object formats | |
79c70e5a | 289 | # This proc returns 1 if it is supported, 0 if not. |
d3d9a67f | 290 | # The argument is the kind of visibility, default/protected/hidden/internal. |
facef326 | 291 | |
d3d9a67f | 292 | proc check_visibility_available { what_kind } { |
d3d9a67f GK |
293 | if [string match "" $what_kind] { set what_kind "hidden" } |
294 | ||
8ce1ac69 | 295 | return [check_no_compiler_messages visibility_available_$what_kind object " |
d3d9a67f GK |
296 | void f() __attribute__((visibility(\"$what_kind\"))); |
297 | void f() {} | |
298 | "] | |
facef326 MA |
299 | } |
300 | ||
71152e6d NC |
301 | ############################### |
302 | # proc check_alias_available { } | |
303 | ############################### | |
304 | ||
305 | # Determine if the target toolchain supports the alias attribute. | |
71152e6d | 306 | |
b4e0fcc3 MM |
307 | # Returns 2 if the target supports aliases. Returns 1 if the target |
308 | # only supports weak aliased. Returns 0 if the target does not | |
309 | # support aliases at all. Returns -1 if support for aliases could not | |
310 | # be determined. | |
311 | ||
312 | proc check_alias_available { } { | |
71152e6d | 313 | global alias_available_saved |
bfa21a28 MM |
314 | global tool |
315 | ||
71152e6d NC |
316 | if [info exists alias_available_saved] { |
317 | verbose "check_alias_available returning saved $alias_available_saved" 2 | |
318 | } else { | |
8dc84ef1 JJ |
319 | set src alias[pid].c |
320 | set obj alias[pid].o | |
321 | verbose "check_alias_available compiling testfile $src" 2 | |
322 | set f [open $src "w"] | |
3348ded5 MM |
323 | # Compile a small test program. The definition of "g" is |
324 | # necessary to keep the Solaris assembler from complaining | |
325 | # about the program. | |
54a47870 | 326 | puts $f "#ifdef __cplusplus\nextern \"C\"\n#endif\n" |
3348ded5 | 327 | puts $f "void g() {} void f() __attribute__((alias(\"g\")));" |
b4e0fcc3 | 328 | close $f |
8dc84ef1 JJ |
329 | set lines [${tool}_target_compile $src $obj object ""] |
330 | file delete $src | |
331 | remote_file build delete $obj | |
b4e0fcc3 | 332 | |
71152e6d NC |
333 | if [string match "" $lines] then { |
334 | # No error messages, everything is OK. | |
b4e0fcc3 | 335 | set alias_available_saved 2 |
71152e6d NC |
336 | } else { |
337 | if [regexp "alias definitions not supported" $lines] { | |
338 | verbose "check_alias_available target does not support aliases" 2 | |
339 | ||
340 | set objformat [gcc_target_object_format] | |
341 | ||
342 | if { $objformat == "elf" } { | |
343 | verbose "check_alias_available but target uses ELF format, so it ought to" 2 | |
b4e0fcc3 | 344 | set alias_available_saved -1 |
71152e6d | 345 | } else { |
b4e0fcc3 | 346 | set alias_available_saved 0 |
71152e6d NC |
347 | } |
348 | } else { | |
9ef6d39a JO |
349 | if [regexp "only weak aliases are supported" $lines] { |
350 | verbose "check_alias_available target supports only weak aliases" 2 | |
b4e0fcc3 | 351 | set alias_available_saved 1 |
9ef6d39a | 352 | } else { |
b4e0fcc3 | 353 | set alias_available_saved -1 |
9ef6d39a | 354 | } |
71152e6d NC |
355 | } |
356 | } | |
21526606 | 357 | |
71152e6d NC |
358 | verbose "check_alias_available returning $alias_available_saved" 2 |
359 | } | |
360 | ||
361 | return $alias_available_saved | |
362 | } | |
b4e0fcc3 | 363 | |
ba885ec5 NS |
364 | ############################### |
365 | # proc check_ifunc_available { } | |
366 | ############################### | |
367 | ||
f6c5fbfd | 368 | # Determine if the target toolchain supports the ifunc attribute. |
ba885ec5 | 369 | |
f6c5fbfd NS |
370 | # Returns 1 if the target supports ifunc. Returns 0 if the target |
371 | # does not support ifunc. | |
ba885ec5 NS |
372 | |
373 | proc check_ifunc_available { } { | |
374 | global ifunc_available_saved | |
375 | global tool | |
376 | ||
377 | if [info exists ifunc_available_saved] { | |
378 | verbose "check_ifunc_available returning saved $ifunc_available_saved" 2 | |
379 | } else { | |
380 | set src ifunc[pid].c | |
381 | set obj ifunc[pid].o | |
382 | verbose "check_ifunc_available compiling testfile $src" 2 | |
383 | set f [open $src "w"] | |
f6c5fbfd NS |
384 | puts $f "#endif" |
385 | puts $f "#ifdef __cplusplus\nextern \"C\"\n#endif" | |
386 | puts $f "void g() {}" | |
387 | puts $f "void f() __attribute__((ifunc(\"g\")));" | |
ba885ec5 NS |
388 | close $f |
389 | set lines [${tool}_target_compile $src $obj object ""] | |
390 | file delete $src | |
391 | remote_file build delete $obj | |
392 | ||
393 | if [string match "" $lines] then { | |
f6c5fbfd | 394 | set ifunc_available_saved 1 |
ba885ec5 | 395 | } else { |
f6c5fbfd | 396 | set ifunc_available_saved 0 |
ba885ec5 NS |
397 | } |
398 | ||
399 | verbose "check_ifunc_available returning $ifunc_available_saved" 2 | |
400 | } | |
401 | ||
402 | return $ifunc_available_saved | |
403 | } | |
404 | ||
b4e0fcc3 MM |
405 | # Returns true if --gc-sections is supported on the target. |
406 | ||
407 | proc check_gc_sections_available { } { | |
408 | global gc_sections_available_saved | |
bfa21a28 | 409 | global tool |
b4e0fcc3 | 410 | |
4293f7cb | 411 | if {![info exists gc_sections_available_saved]} { |
8138dfe4 RH |
412 | # Some targets don't support gc-sections despite whatever's |
413 | # advertised by ld's options. | |
414 | if { [istarget alpha*-*-*] | |
415 | || [istarget ia64-*-*] } { | |
416 | set gc_sections_available_saved 0 | |
417 | return 0 | |
418 | } | |
419 | ||
fd86239d KH |
420 | # elf2flt uses -q (--emit-relocs), which is incompatible with |
421 | # --gc-sections. | |
422 | if { [board_info target exists ldflags] | |
423 | && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } { | |
424 | set gc_sections_available_saved 0 | |
425 | return 0 | |
426 | } | |
427 | ||
75873b87 RS |
428 | # VxWorks kernel modules are relocatable objects linked with -r, |
429 | # while RTP executables are linked with -q (--emit-relocs). | |
430 | # Both of these options are incompatible with --gc-sections. | |
431 | if { [istarget *-*-vxworks*] } { | |
432 | set gc_sections_available_saved 0 | |
433 | return 0 | |
434 | } | |
435 | ||
b4e0fcc3 | 436 | # Check if the ld used by gcc supports --gc-sections. |
61fec9ff | 437 | set gcc_spec [${tool}_target_compile "-dumpspecs" "" "none" ""] |
45456220 | 438 | regsub ".*\n\\*linker:\[ \t\]*\n(\[^ \t\n\]*).*" "$gcc_spec" {\1} linker |
61fec9ff | 439 | set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=$linker" "" "none" ""] 0] |
b4e0fcc3 MM |
440 | set ld_output [remote_exec host "$gcc_ld" "--help"] |
441 | if { [ string first "--gc-sections" $ld_output ] >= 0 } { | |
442 | set gc_sections_available_saved 1 | |
443 | } else { | |
444 | set gc_sections_available_saved 0 | |
445 | } | |
446 | } | |
447 | return $gc_sections_available_saved | |
448 | } | |
b8ee7f02 | 449 | |
a21f9a56 AH |
450 | # Return 1 if according to target_info struct and explicit target list |
451 | # target is supposed to support trampolines. | |
452 | ||
453 | proc check_effective_target_trampolines { } { | |
454 | if [target_info exists no_trampolines] { | |
455 | return 0 | |
456 | } | |
457 | if { [istarget avr-*-*] | |
458 | || [istarget hppa2.0w-hp-hpux11.23] | |
459 | || [istarget hppa64-hp-hpux11.23] } { | |
460 | return 0; | |
461 | } | |
462 | return 1 | |
463 | } | |
464 | ||
ad0dc07d AH |
465 | # Return 1 if according to target_info struct and explicit target list |
466 | # target is supposed to keep null pointer checks. This could be due to | |
467 | # use of option fno-delete-null-pointer-checks or hardwired in target. | |
468 | ||
469 | proc check_effective_target_keeps_null_pointer_checks { } { | |
470 | if [target_info exists keeps_null_pointer_checks] { | |
471 | return 1 | |
472 | } | |
473 | if { [istarget avr-*-*] } { | |
474 | return 1; | |
475 | } | |
476 | return 0 | |
477 | } | |
478 | ||
b8ee7f02 MM |
479 | # Return true if profiling is supported on the target. |
480 | ||
0d856ba2 | 481 | proc check_profiling_available { test_what } { |
b8ee7f02 MM |
482 | global profiling_available_saved |
483 | ||
0d856ba2 KG |
484 | verbose "Profiling argument is <$test_what>" 1 |
485 | ||
486 | # These conditions depend on the argument so examine them before | |
487 | # looking at the cache variable. | |
488 | ||
3f5cb251 RO |
489 | # Tree profiling requires TLS runtime support. |
490 | if { $test_what == "-fprofile-generate" } { | |
c8ecdaba GJL |
491 | # AVR does not support profile generation because |
492 | # it does not implement needed support functions. | |
493 | if { [istarget avr-*-*] } { | |
494 | return 0 | |
495 | } | |
3f5cb251 RO |
496 | return [check_effective_target_tls_runtime] |
497 | } | |
498 | ||
0d856ba2 KG |
499 | # Support for -p on solaris2 relies on mcrt1.o which comes with the |
500 | # vendor compiler. We cannot reliably predict the directory where the | |
501 | # vendor compiler (and thus mcrt1.o) is installed so we can't | |
502 | # necessarily find mcrt1.o even if we have it. | |
3f5cb251 | 503 | if { [istarget *-*-solaris2*] && $test_what == "-p" } { |
0d856ba2 KG |
504 | return 0 |
505 | } | |
506 | ||
507 | # Support for -p on irix relies on libprof1.a which doesn't appear to | |
508 | # exist on any irix6 system currently posting testsuite results. | |
509 | # Support for -pg on irix relies on gcrt1.o which doesn't exist yet. | |
510 | # See: http://gcc.gnu.org/ml/gcc/2002-10/msg00169.html | |
21526606 | 511 | if { [istarget mips*-*-irix*] |
3f5cb251 | 512 | && ($test_what == "-p" || $test_what == "-pg") } { |
0d856ba2 | 513 | return 0 |
08d0963a RS |
514 | } |
515 | ||
516 | # We don't yet support profiling for MIPS16. | |
517 | if { [istarget mips*-*-*] | |
518 | && ![check_effective_target_nomips16] | |
3f5cb251 | 519 | && ($test_what == "-p" || $test_what == "-pg") } { |
08d0963a | 520 | return 0 |
0d856ba2 KG |
521 | } |
522 | ||
6a5e6663 | 523 | # MinGW does not support -p. |
3f5cb251 | 524 | if { [istarget *-*-mingw*] && $test_what == "-p" } { |
6a5e6663 JM |
525 | return 0 |
526 | } | |
527 | ||
b7a0af68 | 528 | # cygwin does not support -p. |
3f5cb251 | 529 | if { [istarget *-*-cygwin*] && $test_what == "-p" } { |
b7a0af68 DB |
530 | return 0 |
531 | } | |
532 | ||
50f324bb JM |
533 | # uClibc does not have gcrt1.o. |
534 | if { [check_effective_target_uclibc] | |
3f5cb251 | 535 | && ($test_what == "-p" || $test_what == "-pg") } { |
50f324bb | 536 | return 0 |
345f13fe JB |
537 | } |
538 | ||
0d856ba2 | 539 | # Now examine the cache variable. |
b8ee7f02 MM |
540 | if {![info exists profiling_available_saved]} { |
541 | # Some targets don't have any implementation of __bb_init_func or are | |
542 | # missing other needed machinery. | |
0d8c8b1b | 543 | if { [istarget am3*-*-linux*] |
2e32707b | 544 | || [istarget arm*-*-eabi*] |
b8ee7f02 | 545 | || [istarget arm*-*-elf] |
2e32707b | 546 | || [istarget arm*-*-symbianelf*] |
a21f9a56 | 547 | || [istarget avr-*-*] |
d5b7e972 | 548 | || [istarget bfin-*-*] |
b8ee7f02 | 549 | || [istarget cris-*-*] |
c7e30cf2 | 550 | || [istarget crisv32-*-*] |
da3ce502 | 551 | || [istarget fido-*-elf] |
21526606 | 552 | || [istarget h8300-*-*] |
0d8c8b1b NC |
553 | || [istarget lm32-*-*] |
554 | || [istarget m32c-*-elf] | |
e3860a7d | 555 | || [istarget m68k-*-elf] |
f8b45d4f | 556 | || [istarget m68k-*-uclinux*] |
7acf4da6 | 557 | || [istarget mep-*-elf] |
37632195 | 558 | || [istarget mips*-*-elf*] |
0d8c8b1b NC |
559 | || [istarget mmix-*-*] |
560 | || [istarget mn10300-*-elf*] | |
cceb575c | 561 | || [istarget moxie-*-elf*] |
0d8c8b1b NC |
562 | || [istarget picochip-*-*] |
563 | || [istarget powerpc-*-eabi*] | |
564 | || [istarget powerpc-*-elf] | |
65a324b4 | 565 | || [istarget rx-*-*] |
294689c4 | 566 | || [istarget tic6x-*-elf] |
400d7a82 | 567 | || [istarget xstormy16-*] |
6d656178 | 568 | || [istarget xtensa*-*-elf] |
3ce1b2de | 569 | || [istarget *-*-rtems*] |
cd985f66 | 570 | || [istarget *-*-vxworks*] } { |
b8ee7f02 MM |
571 | set profiling_available_saved 0 |
572 | } else { | |
573 | set profiling_available_saved 1 | |
574 | } | |
575 | } | |
21526606 | 576 | |
b8ee7f02 MM |
577 | return $profiling_available_saved |
578 | } | |
21526606 | 579 | |
7c280c72 HS |
580 | # Check to see if a target is "freestanding". This is as per the definition |
581 | # in Section 4 of C99 standard. Effectively, it is a target which supports no | |
582 | # extra headers or libraries other than what is considered essential. | |
583 | proc check_effective_target_freestanding { } { | |
584 | if { [istarget picochip-*-*] } then { | |
585 | return 1 | |
586 | } else { | |
587 | return 0 | |
588 | } | |
589 | } | |
590 | ||
aa5c7673 HPN |
591 | # Return 1 if target has packed layout of structure members by |
592 | # default, 0 otherwise. Note that this is slightly different than | |
593 | # whether the target has "natural alignment": both attributes may be | |
594 | # false. | |
595 | ||
596 | proc check_effective_target_default_packed { } { | |
8ce1ac69 RS |
597 | return [check_no_compiler_messages default_packed assembly { |
598 | struct x { char a; long b; } c; | |
599 | int s[sizeof (c) == sizeof (char) + sizeof (long) ? 1 : -1]; | |
600 | }] | |
aa5c7673 HPN |
601 | } |
602 | ||
edc5687e HPN |
603 | # Return 1 if target has PCC_BITFIELD_TYPE_MATTERS defined. See |
604 | # documentation, where the test also comes from. | |
605 | ||
606 | proc check_effective_target_pcc_bitfield_type_matters { } { | |
8ce1ac69 RS |
607 | # PCC_BITFIELD_TYPE_MATTERS isn't just about unnamed or empty |
608 | # bitfields, but let's stick to the example code from the docs. | |
609 | return [check_no_compiler_messages pcc_bitfield_type_matters assembly { | |
610 | struct foo1 { char x; char :0; char y; }; | |
611 | struct foo2 { char x; int :0; char y; }; | |
612 | int s[sizeof (struct foo1) != sizeof (struct foo2) ? 1 : -1]; | |
613 | }] | |
edc5687e HPN |
614 | } |
615 | ||
16c9d3b1 RO |
616 | # Add to FLAGS all the target-specific flags needed to use thread-local storage. |
617 | ||
618 | proc add_options_for_tls { flags } { | |
3451f439 RO |
619 | # Tru64 UNIX uses emutls, which relies on a couple of pthread functions |
620 | # which only live in libpthread, so always pass -pthread for TLS. | |
19073ebc | 621 | if { [istarget alpha*-dec-osf*] } { |
3451f439 RO |
622 | return "$flags -pthread" |
623 | } | |
16c9d3b1 RO |
624 | # On Solaris 8 and 9, __tls_get_addr/___tls_get_addr only lives in |
625 | # libthread, so always pass -pthread for native TLS. | |
626 | # Need to duplicate native TLS check from | |
627 | # check_effective_target_tls_native to avoid recursion. | |
628 | if { [istarget *-*-solaris2.\[89\]*] && | |
629 | [check_no_messages_and_pattern tls_native "!emutls" assembly { | |
630 | __thread int i; | |
631 | int f (void) { return i; } | |
632 | void g (int j) { i = j; } | |
633 | }] } { | |
634 | return "$flags -pthread" | |
635 | } | |
636 | return $flags | |
637 | } | |
638 | ||
19bfb936 | 639 | # Return 1 if thread local storage (TLS) is supported, 0 otherwise. |
ada80067 UB |
640 | |
641 | proc check_effective_target_tls {} { | |
0ffd38c8 RS |
642 | return [check_no_compiler_messages tls assembly { |
643 | __thread int i; | |
644 | int f (void) { return i; } | |
645 | void g (int j) { i = j; } | |
646 | }] | |
19bfb936 SL |
647 | } |
648 | ||
649 | # Return 1 if *native* thread local storage (TLS) is supported, 0 otherwise. | |
19bfb936 SL |
650 | |
651 | proc check_effective_target_tls_native {} { | |
feb60f03 NS |
652 | # VxWorks uses emulated TLS machinery, but with non-standard helper |
653 | # functions, so we fail to automatically detect it. | |
19073ebc | 654 | if { [istarget *-*-vxworks*] } { |
feb60f03 NS |
655 | return 0 |
656 | } | |
657 | ||
89a8fea0 | 658 | return [check_no_messages_and_pattern tls_native "!emutls" assembly { |
0ffd38c8 RS |
659 | __thread int i; |
660 | int f (void) { return i; } | |
661 | void g (int j) { i = j; } | |
662 | }] | |
ada80067 UB |
663 | } |
664 | ||
63d90a96 IS |
665 | # Return 1 if *emulated* thread local storage (TLS) is supported, 0 otherwise. |
666 | ||
667 | proc check_effective_target_tls_emulated {} { | |
668 | # VxWorks uses emulated TLS machinery, but with non-standard helper | |
669 | # functions, so we fail to automatically detect it. | |
19073ebc | 670 | if { [istarget *-*-vxworks*] } { |
63d90a96 IS |
671 | return 1 |
672 | } | |
673 | ||
674 | return [check_no_messages_and_pattern tls_emulated "emutls" assembly { | |
675 | __thread int i; | |
676 | int f (void) { return i; } | |
677 | void g (int j) { i = j; } | |
678 | }] | |
679 | } | |
680 | ||
ada80067 | 681 | # Return 1 if TLS executables can run correctly, 0 otherwise. |
ada80067 UB |
682 | |
683 | proc check_effective_target_tls_runtime {} { | |
0ffd38c8 RS |
684 | return [check_runtime tls_runtime { |
685 | __thread int thr = 0; | |
686 | int main (void) { return thr; } | |
87d426f8 | 687 | } [add_options_for_tls ""]] |
ada80067 UB |
688 | } |
689 | ||
257f5167 IS |
690 | # Return 1 if -ffunction-sections is supported, 0 otherwise. |
691 | ||
692 | proc check_effective_target_function_sections {} { | |
693 | # Darwin has its own scheme and silently accepts -ffunction-sections. | |
19073ebc | 694 | if { [istarget *-*-darwin*] } { |
257f5167 IS |
695 | return 0 |
696 | } | |
697 | ||
698 | return [check_no_compiler_messages functionsections assembly { | |
699 | void foo (void) { } | |
700 | } "-ffunction-sections"] | |
701 | } | |
702 | ||
5097ad6c GJL |
703 | # Return 1 if instruction scheduling is available, 0 otherwise. |
704 | ||
705 | proc check_effective_target_scheduling {} { | |
706 | return [check_no_compiler_messages scheduling object { | |
707 | void foo (void) { } | |
708 | } "-fschedule-insns"] | |
709 | } | |
710 | ||
f8bf9252 SP |
711 | # Return 1 if compilation with -fgraphite is error-free for trivial |
712 | # code, 0 otherwise. | |
713 | ||
714 | proc check_effective_target_fgraphite {} { | |
715 | return [check_no_compiler_messages fgraphite object { | |
716 | void foo (void) { } | |
0da366c7 | 717 | } "-O1 -fgraphite"] |
f8bf9252 SP |
718 | } |
719 | ||
a782ee45 HPN |
720 | # Return 1 if compilation with -fopenmp is error-free for trivial |
721 | # code, 0 otherwise. | |
722 | ||
723 | proc check_effective_target_fopenmp {} { | |
8ce1ac69 RS |
724 | return [check_no_compiler_messages fopenmp object { |
725 | void foo (void) { } | |
726 | } "-fopenmp"] | |
a782ee45 HPN |
727 | } |
728 | ||
86595dba SP |
729 | # Return 1 if compilation with -pthread is error-free for trivial |
730 | # code, 0 otherwise. | |
731 | ||
732 | proc check_effective_target_pthread {} { | |
733 | return [check_no_compiler_messages pthread object { | |
734 | void foo (void) { } | |
735 | } "-pthread"] | |
736 | } | |
737 | ||
233215fe DK |
738 | # Return 1 if compilation with -mpe-aligned-commons is error-free |
739 | # for trivial code, 0 otherwise. | |
740 | ||
741 | proc check_effective_target_pe_aligned_commons {} { | |
742 | if { [istarget *-*-cygwin*] || [istarget *-*-mingw*] } { | |
743 | return [check_no_compiler_messages pe_aligned_commons object { | |
744 | int foo; | |
745 | } "-mpe-aligned-commons"] | |
746 | } | |
747 | return 0 | |
748 | } | |
749 | ||
011a3198 UB |
750 | # Return 1 if the target supports -static |
751 | proc check_effective_target_static {} { | |
752 | return [check_no_compiler_messages static executable { | |
753 | int main (void) { return 0; } | |
754 | } "-static"] | |
755 | } | |
756 | ||
34520c98 | 757 | # Return 1 if the target supports -fstack-protector |
34520c98 | 758 | proc check_effective_target_fstack_protector {} { |
0ffd38c8 RS |
759 | return [check_runtime fstack_protector { |
760 | int main (void) { return 0; } | |
761 | } "-fstack-protector"] | |
34520c98 EC |
762 | } |
763 | ||
3b1a6677 SE |
764 | # Return 1 if compilation with -freorder-blocks-and-partition is error-free |
765 | # for trivial code, 0 otherwise. | |
766 | ||
767 | proc check_effective_target_freorder {} { | |
8ce1ac69 RS |
768 | return [check_no_compiler_messages freorder object { |
769 | void foo (void) { } | |
770 | } "-freorder-blocks-and-partition"] | |
3b1a6677 SE |
771 | } |
772 | ||
b6e3f572 HPN |
773 | # Return 1 if -fpic and -fPIC are supported, as in no warnings or errors |
774 | # emitted, 0 otherwise. Whether a shared library can actually be built is | |
775 | # out of scope for this test. | |
b6e3f572 HPN |
776 | |
777 | proc check_effective_target_fpic { } { | |
8ce1ac69 RS |
778 | # Note that M68K has a multilib that supports -fpic but not |
779 | # -fPIC, so we need to check both. We test with a program that | |
780 | # requires GOT references. | |
781 | foreach arg {fpic fPIC} { | |
782 | if [check_no_compiler_messages $arg object { | |
b6e3f572 HPN |
783 | extern int foo (void); extern int bar; |
784 | int baz (void) { return foo () + bar; } | |
8ce1ac69 RS |
785 | } "-$arg"] { |
786 | return 1 | |
b6e3f572 HPN |
787 | } |
788 | } | |
8ce1ac69 | 789 | return 0 |
b6e3f572 | 790 | } |
8340fbd7 RO |
791 | |
792 | # Return 1 if -pie, -fpie and -fPIE are supported, 0 otherwise. | |
793 | ||
794 | proc check_effective_target_pie { } { | |
795 | if { [istarget *-*-darwin\[912\]*] | |
796 | || [istarget *-*-linux*] } { | |
797 | return 1; | |
798 | } | |
799 | return 0 | |
800 | } | |
b6e3f572 | 801 | |
245f0e1c RS |
802 | # Return true if the target supports -mpaired-single (as used on MIPS). |
803 | ||
804 | proc check_effective_target_mpaired_single { } { | |
e9b1e828 | 805 | return [check_no_compiler_messages mpaired_single object { |
245f0e1c RS |
806 | void foo (void) { } |
807 | } "-mpaired-single"] | |
808 | } | |
809 | ||
1a79f743 | 810 | # Return true if the target has access to FPU instructions. |
d8538159 | 811 | |
1a79f743 | 812 | proc check_effective_target_hard_float { } { |
4e6a492c | 813 | if { [istarget mips*-*-*] } { |
ca8b555b | 814 | return [check_no_compiler_messages hard_float assembly { |
4e6a492c | 815 | #if (defined __mips_soft_float || defined __mips16) |
ca8b555b HPN |
816 | #error FOO |
817 | #endif | |
818 | }] | |
819 | } | |
820 | ||
65a324b4 NC |
821 | # This proc is actually checking the availabilty of FPU |
822 | # support for doubles, so on the RX we must fail if the | |
823 | # 64-bit double multilib has been selected. | |
824 | if { [istarget rx-*-*] } { | |
825 | return 0 | |
826 | # return [check_no_compiler_messages hard_float assembly { | |
827 | #if defined __RX_64_BIT_DOUBLES__ | |
828 | #error FOO | |
829 | #endif | |
830 | # }] | |
831 | } | |
832 | ||
ca8b555b HPN |
833 | # The generic test equates hard_float with "no call for adding doubles". |
834 | return [check_no_messages_and_pattern hard_float "!\\(call" rtl-expand { | |
835 | double a (double b, double c) { return b + c; } | |
d8538159 RS |
836 | }] |
837 | } | |
838 | ||
334a9543 RS |
839 | # Return true if the target is a 64-bit MIPS target. |
840 | ||
841 | proc check_effective_target_mips64 { } { | |
842 | return [check_no_compiler_messages mips64 assembly { | |
843 | #ifndef __mips64 | |
844 | #error FOO | |
845 | #endif | |
846 | }] | |
847 | } | |
848 | ||
254d1646 RS |
849 | # Return true if the target is a MIPS target that does not produce |
850 | # MIPS16 code. | |
851 | ||
852 | proc check_effective_target_nomips16 { } { | |
853 | return [check_no_compiler_messages nomips16 object { | |
854 | #ifndef __mips | |
855 | #error FOO | |
856 | #else | |
857 | /* A cheap way of testing for -mflip-mips16. */ | |
858 | void foo (void) { asm ("addiu $20,$20,1"); } | |
859 | void bar (void) { asm ("addiu $20,$20,1"); } | |
860 | #endif | |
861 | }] | |
862 | } | |
863 | ||
7dded683 RS |
864 | # Add the options needed for MIPS16 function attributes. At the moment, |
865 | # we don't support MIPS16 PIC. | |
866 | ||
867 | proc add_options_for_mips16_attribute { flags } { | |
b3aaa29a | 868 | return "$flags -mno-abicalls -fno-pic -DMIPS16=__attribute__((mips16))" |
7dded683 RS |
869 | } |
870 | ||
871 | # Return true if we can force a mode that allows MIPS16 code generation. | |
06d20fa9 RS |
872 | # We don't support MIPS16 PIC, and only support MIPS16 -mhard-float |
873 | # for o32 and o64. | |
7dded683 RS |
874 | |
875 | proc check_effective_target_mips16_attribute { } { | |
876 | return [check_no_compiler_messages mips16_attribute assembly { | |
06d20fa9 RS |
877 | #ifdef PIC |
878 | #error FOO | |
879 | #endif | |
880 | #if defined __mips_hard_float \ | |
881 | && (!defined _ABIO32 || _MIPS_SIM != _ABIO32) \ | |
882 | && (!defined _ABIO64 || _MIPS_SIM != _ABIO64) | |
7dded683 RS |
883 | #error FOO |
884 | #endif | |
885 | } [add_options_for_mips16_attribute ""]] | |
886 | } | |
887 | ||
b824522a NF |
888 | # Return 1 if the target supports long double larger than double when |
889 | # using the new ABI, 0 otherwise. | |
890 | ||
891 | proc check_effective_target_mips_newabi_large_long_double { } { | |
892 | return [check_no_compiler_messages mips_newabi_large_long_double object { | |
893 | int dummy[sizeof(long double) > sizeof(double) ? 1 : -1]; | |
894 | } "-mabi=64"] | |
895 | } | |
896 | ||
39a39c85 RS |
897 | # Return 1 if the current multilib does not generate PIC by default. |
898 | ||
899 | proc check_effective_target_nonpic { } { | |
900 | return [check_no_compiler_messages nonpic assembly { | |
901 | #if __PIC__ | |
902 | #error FOO | |
903 | #endif | |
904 | }] | |
905 | } | |
906 | ||
4be4340a MM |
907 | # Return 1 if the target does not use a status wrapper. |
908 | ||
909 | proc check_effective_target_unwrapped { } { | |
910 | if { [target_info needs_status_wrapper] != "" \ | |
911 | && [target_info needs_status_wrapper] != "0" } { | |
912 | return 0 | |
913 | } | |
914 | return 1 | |
915 | } | |
916 | ||
74231b0f | 917 | # Return true if iconv is supported on the target. In particular IBM1047. |
21526606 EC |
918 | |
919 | proc check_iconv_available { test_what } { | |
5340bbea | 920 | global libiconv |
21526606 | 921 | |
0b3deaaf MM |
922 | # If the tool configuration file has not set libiconv, try "-liconv" |
923 | if { ![info exists libiconv] } { | |
924 | set libiconv "-liconv" | |
925 | } | |
0ffd38c8 RS |
926 | set test_what [lindex $test_what 1] |
927 | return [check_runtime_nocache $test_what [subst { | |
928 | #include <iconv.h> | |
929 | int main (void) | |
930 | { | |
931 | iconv_t cd; | |
932 | ||
933 | cd = iconv_open ("$test_what", "UTF-8"); | |
934 | if (cd == (iconv_t) -1) | |
935 | return 1; | |
936 | return 0; | |
5340bbea | 937 | } |
0ffd38c8 | 938 | }] $libiconv] |
21526606 | 939 | } |
ab37d57e | 940 | |
6dd2a13c RO |
941 | # Return 1 if an ASCII locale is supported on this host, 0 otherwise. |
942 | ||
943 | proc check_ascii_locale_available { } { | |
944 | if { ([ishost alpha*-dec-osf*] || [ishost mips-sgi-irix*]) } { | |
945 | # Neither Tru64 UNIX nor IRIX support an ASCII locale. | |
946 | return 0 | |
947 | } else { | |
948 | return 1 | |
949 | } | |
950 | } | |
951 | ||
ab37d57e | 952 | # Return true if named sections are supported on this target. |
8ce1ac69 | 953 | |
ab37d57e | 954 | proc check_named_sections_available { } { |
8ce1ac69 | 955 | return [check_no_compiler_messages named_sections assembly { |
b6dc500c | 956 | int __attribute__ ((section("whatever"))) foo; |
8ce1ac69 | 957 | }] |
ab37d57e | 958 | } |
763ee179 | 959 | |
32aa3bff | 960 | # Return 1 if the target supports Fortran real kinds larger than real(8), |
f6cf6841 JJ |
961 | # 0 otherwise. |
962 | # | |
963 | # When the target name changes, replace the cached result. | |
32aa3bff FXC |
964 | |
965 | proc check_effective_target_fortran_large_real { } { | |
0ffd38c8 RS |
966 | return [check_no_compiler_messages fortran_large_real executable { |
967 | ! Fortran | |
968 | integer,parameter :: k = selected_real_kind (precision (0.0_8) + 1) | |
969 | real(kind=k) :: x | |
970 | x = cos (x) | |
971 | end | |
972 | }] | |
32aa3bff FXC |
973 | } |
974 | ||
f9576cc5 JD |
975 | # Return 1 if the target supports Fortran real kind real(16), |
976 | # 0 otherwise. Contrary to check_effective_target_fortran_large_real | |
977 | # this checks for Real(16) only; the other returned real(10) if | |
978 | # both real(10) and real(16) are available. | |
979 | # | |
980 | # When the target name changes, replace the cached result. | |
981 | ||
982 | proc check_effective_target_fortran_real_16 { } { | |
983 | return [check_no_compiler_messages fortran_real_16 executable { | |
984 | ! Fortran | |
985 | real(kind=16) :: x | |
986 | x = cos (x) | |
987 | end | |
988 | }] | |
989 | } | |
990 | ||
32aa3bff | 991 | # Return 1 if the target supports Fortran integer kinds larger than |
f6cf6841 JJ |
992 | # integer(8), 0 otherwise. |
993 | # | |
994 | # When the target name changes, replace the cached result. | |
32aa3bff FXC |
995 | |
996 | proc check_effective_target_fortran_large_int { } { | |
0ffd38c8 RS |
997 | return [check_no_compiler_messages fortran_large_int executable { |
998 | ! Fortran | |
999 | integer,parameter :: k = selected_int_kind (range (0_8) + 1) | |
1000 | integer(kind=k) :: i | |
1001 | end | |
1002 | }] | |
32aa3bff FXC |
1003 | } |
1004 | ||
c129abb4 SL |
1005 | # Return 1 if the target supports Fortran integer(16), 0 otherwise. |
1006 | # | |
1007 | # When the target name changes, replace the cached result. | |
1008 | ||
1009 | proc check_effective_target_fortran_integer_16 { } { | |
1010 | return [check_no_compiler_messages fortran_integer_16 executable { | |
1011 | ! Fortran | |
1012 | integer(16) :: i | |
1013 | end | |
1014 | }] | |
1015 | } | |
1016 | ||
f2ae4b2b FXC |
1017 | # Return 1 if we can statically link libgfortran, 0 otherwise. |
1018 | # | |
1019 | # When the target name changes, replace the cached result. | |
1020 | ||
1021 | proc check_effective_target_static_libgfortran { } { | |
0ffd38c8 RS |
1022 | return [check_no_compiler_messages static_libgfortran executable { |
1023 | ! Fortran | |
1024 | print *, 'test' | |
1025 | end | |
1026 | } "-static"] | |
f2ae4b2b FXC |
1027 | } |
1028 | ||
3cf8ccdf RG |
1029 | proc check_linker_plugin_available { } { |
1030 | return [check_no_compiler_messages_nocache linker_plugin executable { | |
1031 | int main() { return 0; } | |
1032 | } "-flto -fuse-linker-plugin"] | |
1033 | } | |
1034 | ||
e2e95f45 RE |
1035 | # Return 1 if the target supports executing 750CL paired-single instructions, 0 |
1036 | # otherwise. Cache the result. | |
1037 | ||
1038 | proc check_750cl_hw_available { } { | |
0ffd38c8 RS |
1039 | return [check_cached_effective_target 750cl_hw_available { |
1040 | # If this is not the right target then we can skip the test. | |
1041 | if { ![istarget powerpc-*paired*] } { | |
1042 | expr 0 | |
1043 | } else { | |
1044 | check_runtime_nocache 750cl_hw_available { | |
1045 | int main() | |
1046 | { | |
1047 | #ifdef __MACH__ | |
1048 | asm volatile ("ps_mul v0,v0,v0"); | |
1049 | #else | |
1050 | asm volatile ("ps_mul 0,0,0"); | |
1051 | #endif | |
1052 | return 0; | |
1053 | } | |
1054 | } "-mpaired" | |
1055 | } | |
1056 | }] | |
e2e95f45 RE |
1057 | } |
1058 | ||
39354b3b RO |
1059 | # Return 1 if the target OS supports running SSE executables, 0 |
1060 | # otherwise. Cache the result. | |
1061 | ||
1062 | proc check_sse_os_support_available { } { | |
1063 | return [check_cached_effective_target sse_os_support_available { | |
1064 | # If this is not the right target then we can skip the test. | |
1065 | if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } { | |
1066 | expr 0 | |
1067 | } elseif { [istarget i?86-*-solaris2*] } { | |
1068 | # The Solaris 2 kernel doesn't save and restore SSE registers | |
1069 | # before Solaris 9 4/04. Before that, executables die with SIGILL. | |
1070 | check_runtime_nocache sse_os_support_available { | |
1071 | int main () | |
1072 | { | |
1b7a0148 | 1073 | __asm__ volatile ("movaps %xmm0,%xmm0"); |
39354b3b RO |
1074 | return 0; |
1075 | } | |
1076 | } "-msse" | |
1077 | } else { | |
1078 | expr 1 | |
1079 | } | |
1080 | }] | |
1081 | } | |
1082 | ||
1083 | # Return 1 if the target supports executing SSE instructions, 0 | |
1084 | # otherwise. Cache the result. | |
1085 | ||
1086 | proc check_sse_hw_available { } { | |
1087 | return [check_cached_effective_target sse_hw_available { | |
1088 | # If this is not the right target then we can skip the test. | |
1089 | if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } { | |
1090 | expr 0 | |
1091 | } else { | |
1092 | check_runtime_nocache sse_hw_available { | |
1093 | #include "cpuid.h" | |
1094 | int main () | |
1095 | { | |
1d8ec041 | 1096 | unsigned int eax, ebx, ecx, edx; |
39354b3b RO |
1097 | if (__get_cpuid (1, &eax, &ebx, &ecx, &edx)) |
1098 | return !(edx & bit_SSE); | |
1099 | return 1; | |
1100 | } | |
1101 | } "" | |
1102 | } | |
1103 | }] | |
1104 | } | |
1105 | ||
8a313b81 VK |
1106 | # Return 1 if the target supports executing SSE2 instructions, 0 |
1107 | # otherwise. Cache the result. | |
1108 | ||
1109 | proc check_sse2_hw_available { } { | |
1110 | return [check_cached_effective_target sse2_hw_available { | |
1111 | # If this is not the right target then we can skip the test. | |
1112 | if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } { | |
1113 | expr 0 | |
1114 | } else { | |
1115 | check_runtime_nocache sse2_hw_available { | |
1116 | #include "cpuid.h" | |
1117 | int main () | |
1118 | { | |
1d8ec041 | 1119 | unsigned int eax, ebx, ecx, edx; |
8a313b81 VK |
1120 | if (__get_cpuid (1, &eax, &ebx, &ecx, &edx)) |
1121 | return !(edx & bit_SSE2); | |
1122 | return 1; | |
1123 | } | |
1124 | } "" | |
1125 | } | |
1126 | }] | |
1127 | } | |
1128 | ||
1d8ec041 UB |
1129 | # Return 1 if the target supports executing AVX instructions, 0 |
1130 | # otherwise. Cache the result. | |
1131 | ||
1132 | proc check_avx_hw_available { } { | |
1133 | return [check_cached_effective_target avx_hw_available { | |
1134 | # If this is not the right target then we can skip the test. | |
1135 | if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } { | |
1136 | expr 0 | |
1137 | } else { | |
1138 | check_runtime_nocache avx_hw_available { | |
1139 | #include "cpuid.h" | |
1140 | int main () | |
1141 | { | |
1142 | unsigned int eax, ebx, ecx, edx; | |
1143 | if (__get_cpuid (1, &eax, &ebx, &ecx, &edx)) | |
1144 | return ((ecx & (bit_AVX | bit_OSXSAVE)) | |
1145 | != (bit_AVX | bit_OSXSAVE)); | |
1146 | return 1; | |
1147 | } | |
1148 | } "" | |
1149 | } | |
1150 | }] | |
1151 | } | |
1152 | ||
39354b3b RO |
1153 | # Return 1 if the target supports running SSE executables, 0 otherwise. |
1154 | ||
1155 | proc check_effective_target_sse_runtime { } { | |
1d8ec041 UB |
1156 | if { [check_effective_target_sse] |
1157 | && [check_sse_hw_available] | |
1158 | && [check_sse_os_support_available] } { | |
39354b3b | 1159 | return 1 |
39354b3b | 1160 | } |
1d8ec041 | 1161 | return 0 |
39354b3b RO |
1162 | } |
1163 | ||
1164 | # Return 1 if the target supports running SSE2 executables, 0 otherwise. | |
1165 | ||
1166 | proc check_effective_target_sse2_runtime { } { | |
1d8ec041 UB |
1167 | if { [check_effective_target_sse2] |
1168 | && [check_sse2_hw_available] | |
1169 | && [check_sse_os_support_available] } { | |
39354b3b | 1170 | return 1 |
39354b3b | 1171 | } |
1d8ec041 UB |
1172 | return 0 |
1173 | } | |
1174 | ||
1175 | # Return 1 if the target supports running AVX executables, 0 otherwise. | |
1176 | ||
1177 | proc check_effective_target_avx_runtime { } { | |
1178 | if { [check_effective_target_avx] | |
1179 | && [check_avx_hw_available] } { | |
1180 | return 1 | |
1181 | } | |
1182 | return 0 | |
39354b3b RO |
1183 | } |
1184 | ||
29e6733c MM |
1185 | # Return 1 if the target supports executing VSX instructions, 0 |
1186 | # otherwise. Cache the result. | |
1187 | ||
1188 | proc check_vsx_hw_available { } { | |
1189 | return [check_cached_effective_target vsx_hw_available { | |
1190 | # Some simulators are known to not support VSX instructions. | |
1191 | # For now, disable on Darwin | |
1192 | if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] || [istarget *-*-darwin*]} { | |
1193 | expr 0 | |
1194 | } else { | |
1195 | set options "-mvsx" | |
1196 | check_runtime_nocache vsx_hw_available { | |
1197 | int main() | |
1198 | { | |
1199 | #ifdef __MACH__ | |
1200 | asm volatile ("xxlor vs0,vs0,vs0"); | |
1201 | #else | |
1202 | asm volatile ("xxlor 0,0,0"); | |
1203 | #endif | |
1204 | return 0; | |
1205 | } | |
1206 | } $options | |
1207 | } | |
1208 | }] | |
1209 | } | |
1210 | ||
763ee179 JJ |
1211 | # Return 1 if the target supports executing AltiVec instructions, 0 |
1212 | # otherwise. Cache the result. | |
1213 | ||
1214 | proc check_vmx_hw_available { } { | |
0ffd38c8 | 1215 | return [check_cached_effective_target vmx_hw_available { |
763ee179 JJ |
1216 | # Some simulators are known to not support VMX instructions. |
1217 | if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { | |
0ffd38c8 | 1218 | expr 0 |
3562bc34 | 1219 | } else { |
0ffd38c8 | 1220 | # Most targets don't require special flags for this test case, but |
29e6733c MM |
1221 | # Darwin does. Just to be sure, make sure VSX is not enabled for |
1222 | # the altivec tests. | |
0ffd38c8 RS |
1223 | if { [istarget *-*-darwin*] |
1224 | || [istarget *-*-aix*] } { | |
29e6733c | 1225 | set options "-maltivec -mno-vsx" |
0ffd38c8 | 1226 | } else { |
29e6733c | 1227 | set options "-mno-vsx" |
763ee179 | 1228 | } |
0ffd38c8 RS |
1229 | check_runtime_nocache vmx_hw_available { |
1230 | int main() | |
1231 | { | |
1232 | #ifdef __MACH__ | |
1233 | asm volatile ("vor v0,v0,v0"); | |
1234 | #else | |
1235 | asm volatile ("vor 0,0,0"); | |
1236 | #endif | |
1237 | return 0; | |
1238 | } | |
1239 | } $options | |
763ee179 | 1240 | } |
0ffd38c8 | 1241 | }] |
763ee179 | 1242 | } |
b6dc500c | 1243 | |
92902797 MM |
1244 | proc check_ppc_recip_hw_available { } { |
1245 | return [check_cached_effective_target ppc_recip_hw_available { | |
1246 | # Some simulators may not support FRE/FRES/FRSQRTE/FRSQRTES | |
1247 | # For now, disable on Darwin | |
1248 | if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] || [istarget *-*-darwin*]} { | |
1249 | expr 0 | |
1250 | } else { | |
1251 | set options "-mpowerpc-gfxopt -mpowerpc-gpopt -mpopcntb" | |
1252 | check_runtime_nocache ppc_recip_hw_available { | |
1253 | volatile double d_recip, d_rsqrt, d_four = 4.0; | |
1254 | volatile float f_recip, f_rsqrt, f_four = 4.0f; | |
1255 | int main() | |
1256 | { | |
1257 | asm volatile ("fres %0,%1" : "=f" (f_recip) : "f" (f_four)); | |
1258 | asm volatile ("fre %0,%1" : "=d" (d_recip) : "d" (d_four)); | |
1259 | asm volatile ("frsqrtes %0,%1" : "=f" (f_rsqrt) : "f" (f_four)); | |
1260 | asm volatile ("frsqrte %0,%1" : "=f" (d_rsqrt) : "d" (d_four)); | |
1261 | return 0; | |
1262 | } | |
1263 | } $options | |
1264 | } | |
1265 | }] | |
1266 | } | |
1267 | ||
5bdf05c8 DJ |
1268 | # Return 1 if the target supports executing AltiVec and Cell PPU |
1269 | # instructions, 0 otherwise. Cache the result. | |
1270 | ||
1271 | proc check_effective_target_cell_hw { } { | |
1272 | return [check_cached_effective_target cell_hw_available { | |
1273 | # Some simulators are known to not support VMX and PPU instructions. | |
1274 | if { [istarget powerpc-*-eabi*] } { | |
1275 | expr 0 | |
1276 | } else { | |
1277 | # Most targets don't require special flags for this test | |
1278 | # case, but Darwin and AIX do. | |
1279 | if { [istarget *-*-darwin*] | |
1280 | || [istarget *-*-aix*] } { | |
1281 | set options "-maltivec -mcpu=cell" | |
1282 | } else { | |
1283 | set options "-mcpu=cell" | |
1284 | } | |
1285 | check_runtime_nocache cell_hw_available { | |
1286 | int main() | |
1287 | { | |
1288 | #ifdef __MACH__ | |
1289 | asm volatile ("vor v0,v0,v0"); | |
1290 | asm volatile ("lvlx v0,r0,r0"); | |
1291 | #else | |
1292 | asm volatile ("vor 0,0,0"); | |
1293 | asm volatile ("lvlx 0,0,0"); | |
1294 | #endif | |
1295 | return 0; | |
1296 | } | |
1297 | } $options | |
1298 | } | |
1299 | }] | |
1300 | } | |
1301 | ||
1b82a065 NF |
1302 | # Return 1 if the target supports executing 64-bit instructions, 0 |
1303 | # otherwise. Cache the result. | |
1304 | ||
1305 | proc check_effective_target_powerpc64 { } { | |
1306 | global powerpc64_available_saved | |
1307 | global tool | |
1308 | ||
1309 | if [info exists powerpc64_available_saved] { | |
1310 | verbose "check_effective_target_powerpc64 returning saved $powerpc64_available_saved" 2 | |
1311 | } else { | |
1312 | set powerpc64_available_saved 0 | |
1313 | ||
1314 | # Some simulators are known to not support powerpc64 instructions. | |
1315 | if { [istarget powerpc-*-eabi*] || [istarget powerpc-ibm-aix*] } { | |
1316 | verbose "check_effective_target_powerpc64 returning 0" 2 | |
1317 | return $powerpc64_available_saved | |
1318 | } | |
1319 | ||
1320 | # Set up, compile, and execute a test program containing a 64-bit | |
1321 | # instruction. Include the current process ID in the file | |
1322 | # names to prevent conflicts with invocations for multiple | |
1323 | # testsuites. | |
1324 | set src ppc[pid].c | |
1325 | set exe ppc[pid].x | |
1326 | ||
1327 | set f [open $src "w"] | |
1328 | puts $f "int main() {" | |
1329 | puts $f "#ifdef __MACH__" | |
1330 | puts $f " asm volatile (\"extsw r0,r0\");" | |
1331 | puts $f "#else" | |
1332 | puts $f " asm volatile (\"extsw 0,0\");" | |
1333 | puts $f "#endif" | |
1334 | puts $f " return 0; }" | |
1335 | close $f | |
1336 | ||
1337 | set opts "additional_flags=-mcpu=G5" | |
1338 | ||
1339 | verbose "check_effective_target_powerpc64 compiling testfile $src" 2 | |
1340 | set lines [${tool}_target_compile $src $exe executable "$opts"] | |
1341 | file delete $src | |
1342 | ||
1343 | if [string match "" $lines] then { | |
1344 | # No error message, compilation succeeded. | |
1345 | set result [${tool}_load "./$exe" "" ""] | |
1346 | set status [lindex $result 0] | |
1347 | remote_file build delete $exe | |
1348 | verbose "check_effective_target_powerpc64 testfile status is <$status>" 2 | |
1349 | ||
1350 | if { $status == "pass" } then { | |
1351 | set powerpc64_available_saved 1 | |
1352 | } | |
1353 | } else { | |
1354 | verbose "check_effective_target_powerpc64 testfile compilation failed" 2 | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | return $powerpc64_available_saved | |
1359 | } | |
1360 | ||
56afd7aa JJ |
1361 | # GCC 3.4.0 for powerpc64-*-linux* included an ABI fix for passing |
1362 | # complex float arguments. This affects gfortran tests that call cabsf | |
1363 | # in libm built by an earlier compiler. Return 1 if libm uses the same | |
1364 | # argument passing as the compiler under test, 0 otherwise. | |
1365 | # | |
1366 | # When the target name changes, replace the cached result. | |
1367 | ||
1368 | proc check_effective_target_broken_cplxf_arg { } { | |
0ffd38c8 RS |
1369 | return [check_cached_effective_target broken_cplxf_arg { |
1370 | # Skip the work for targets known not to be affected. | |
1371 | if { ![istarget powerpc64-*-linux*] } { | |
1372 | expr 0 | |
1373 | } elseif { ![is-effective-target lp64] } { | |
1374 | expr 0 | |
56afd7aa | 1375 | } else { |
0ffd38c8 RS |
1376 | check_runtime_nocache broken_cplxf_arg { |
1377 | #include <complex.h> | |
1378 | extern void abort (void); | |
1379 | float fabsf (float); | |
1380 | float cabsf (_Complex float); | |
1381 | int main () | |
1382 | { | |
1383 | _Complex float cf; | |
1384 | float f; | |
1385 | cf = 3 + 4.0fi; | |
1386 | f = cabsf (cf); | |
1387 | if (fabsf (f - 5.0) > 0.0001) | |
1388 | abort (); | |
1389 | return 0; | |
1390 | } | |
1391 | } "-lm" | |
56afd7aa | 1392 | } |
0ffd38c8 | 1393 | }] |
56afd7aa JJ |
1394 | } |
1395 | ||
294689c4 BS |
1396 | # Return 1 is this is a TI C6X target supporting C67X instructions |
1397 | proc check_effective_target_ti_c67x { } { | |
1398 | return [check_no_compiler_messages ti_c67x assembly { | |
1399 | #if !defined(_TMS320C6700) | |
1400 | #error FOO | |
1401 | #endif | |
1402 | }] | |
1403 | } | |
1404 | ||
1405 | # Return 1 is this is a TI C6X target supporting C64X+ instructions | |
1406 | proc check_effective_target_ti_c64xp { } { | |
1407 | return [check_no_compiler_messages ti_c64xp assembly { | |
1408 | #if !defined(_TMS320C6400_PLUS) | |
1409 | #error FOO | |
1410 | #endif | |
1411 | }] | |
1412 | } | |
1413 | ||
1414 | ||
31589ec6 | 1415 | proc check_alpha_max_hw_available { } { |
0ffd38c8 RS |
1416 | return [check_runtime alpha_max_hw_available { |
1417 | int main() { return __builtin_alpha_amask(1<<8) != 0; } | |
1418 | }] | |
31589ec6 RH |
1419 | } |
1420 | ||
34f4edf8 MM |
1421 | # Returns true iff the FUNCTION is available on the target system. |
1422 | # (This is essentially a Tcl implementation of Autoconf's | |
1423 | # AC_CHECK_FUNC.) | |
1424 | ||
1425 | proc check_function_available { function } { | |
0ffd38c8 RS |
1426 | return [check_no_compiler_messages ${function}_available \ |
1427 | executable [subst { | |
1428 | #ifdef __cplusplus | |
1429 | extern "C" | |
1430 | #endif | |
1431 | char $function (); | |
1432 | int main () { $function (); } | |
8d598c74 | 1433 | }] "-fno-builtin" ] |
34f4edf8 MM |
1434 | } |
1435 | ||
cea02b6e | 1436 | # Returns true iff "fork" is available on the target system. |
34f4edf8 MM |
1437 | |
1438 | proc check_fork_available {} { | |
1439 | return [check_function_available "fork"] | |
1440 | } | |
1441 | ||
cea02b6e | 1442 | # Returns true iff "mkfifo" is available on the target system. |
34f4edf8 MM |
1443 | |
1444 | proc check_mkfifo_available {} { | |
19073ebc | 1445 | if { [istarget *-*-cygwin*] } { |
cea02b6e DB |
1446 | # Cygwin has mkfifo, but support is incomplete. |
1447 | return 0 | |
1448 | } | |
1449 | ||
34f4edf8 MM |
1450 | return [check_function_available "mkfifo"] |
1451 | } | |
1452 | ||
21f638b9 SE |
1453 | # Returns true iff "__cxa_atexit" is used on the target system. |
1454 | ||
1455 | proc check_cxa_atexit_available { } { | |
0ffd38c8 | 1456 | return [check_cached_effective_target cxa_atexit_available { |
19073ebc | 1457 | if { [istarget hppa*-*-hpux10*] } { |
0ffd38c8 RS |
1458 | # HP-UX 10 doesn't have __cxa_atexit but subsequent test passes. |
1459 | expr 0 | |
19073ebc | 1460 | } elseif { [istarget *-*-vxworks] } { |
8df03fe5 NS |
1461 | # vxworks doesn't have __cxa_atexit but subsequent test passes. |
1462 | expr 0 | |
21f638b9 | 1463 | } else { |
0ffd38c8 RS |
1464 | check_runtime_nocache cxa_atexit_available { |
1465 | // C++ | |
1466 | #include <stdlib.h> | |
1467 | static unsigned int count; | |
1468 | struct X | |
1469 | { | |
1470 | X() { count = 1; } | |
1471 | ~X() | |
1472 | { | |
1473 | if (count != 3) | |
1474 | exit(1); | |
1475 | count = 4; | |
1476 | } | |
1477 | }; | |
1478 | void f() | |
1479 | { | |
1480 | static X x; | |
1481 | } | |
1482 | struct Y | |
1483 | { | |
1484 | Y() { f(); count = 2; } | |
1485 | ~Y() | |
1486 | { | |
1487 | if (count != 2) | |
1488 | exit(1); | |
1489 | count = 3; | |
1490 | } | |
1491 | }; | |
1492 | Y y; | |
1493 | int main() { return 0; } | |
1494 | } | |
21f638b9 | 1495 | } |
0ffd38c8 | 1496 | }] |
21f638b9 SE |
1497 | } |
1498 | ||
9debda96 IS |
1499 | proc check_effective_target_objc2 { } { |
1500 | return [check_no_compiler_messages objc2 object { | |
1501 | #ifdef __OBJC2__ | |
1502 | int dummy[1]; | |
1503 | #else | |
1504 | #error | |
1505 | #endif | |
1506 | }] | |
1507 | } | |
1508 | ||
1509 | proc check_effective_target_next_runtime { } { | |
1510 | return [check_no_compiler_messages objc2 object { | |
1511 | #ifdef __NEXT_RUNTIME__ | |
1512 | int dummy[1]; | |
1513 | #else | |
1514 | #error | |
1515 | #endif | |
1516 | }] | |
1517 | } | |
21f638b9 | 1518 | |
b6dc500c JJ |
1519 | # Return 1 if we're generating 32-bit code using default options, 0 |
1520 | # otherwise. | |
1521 | ||
1522 | proc check_effective_target_ilp32 { } { | |
8ce1ac69 RS |
1523 | return [check_no_compiler_messages ilp32 object { |
1524 | int dummy[sizeof (int) == 4 | |
1525 | && sizeof (void *) == 4 | |
1526 | && sizeof (long) == 4 ? 1 : -1]; | |
1527 | }] | |
b6dc500c JJ |
1528 | } |
1529 | ||
489319d5 L |
1530 | # Return 1 if we're generating ia32 code using default options, 0 |
1531 | # otherwise. | |
1532 | ||
1533 | proc check_effective_target_ia32 { } { | |
1534 | return [check_no_compiler_messages ia32 object { | |
1535 | int dummy[sizeof (int) == 4 | |
1536 | && sizeof (void *) == 4 | |
1537 | && sizeof (long) == 4 ? 1 : -1] = { __i386__ }; | |
1538 | }] | |
1539 | } | |
1540 | ||
1541 | # Return 1 if we're generating x32 code using default options, 0 | |
1542 | # otherwise. | |
1543 | ||
1544 | proc check_effective_target_x32 { } { | |
1545 | return [check_no_compiler_messages x32 object { | |
1546 | int dummy[sizeof (int) == 4 | |
1547 | && sizeof (void *) == 4 | |
1548 | && sizeof (long) == 4 ? 1 : -1] = { __x86_64__ }; | |
1549 | }] | |
1550 | } | |
1551 | ||
a239aa95 DD |
1552 | # Return 1 if we're generating 32-bit or larger integers using default |
1553 | # options, 0 otherwise. | |
1554 | ||
1555 | proc check_effective_target_int32plus { } { | |
1556 | return [check_no_compiler_messages int32plus object { | |
1557 | int dummy[sizeof (int) >= 4 ? 1 : -1]; | |
1558 | }] | |
1559 | } | |
1560 | ||
1561 | # Return 1 if we're generating 32-bit or larger pointers using default | |
1562 | # options, 0 otherwise. | |
1563 | ||
1564 | proc check_effective_target_ptr32plus { } { | |
1565 | return [check_no_compiler_messages ptr32plus object { | |
1566 | int dummy[sizeof (void *) >= 4 ? 1 : -1]; | |
1567 | }] | |
1568 | } | |
1569 | ||
1570 | # Return 1 if we support 32-bit or larger array and structure sizes | |
1571 | # using default options, 0 otherwise. | |
1572 | ||
1573 | proc check_effective_target_size32plus { } { | |
1574 | return [check_no_compiler_messages size32plus object { | |
1575 | char dummy[65537]; | |
1576 | }] | |
1577 | } | |
1578 | ||
1579 | # Returns 1 if we're generating 16-bit or smaller integers with the | |
1580 | # default options, 0 otherwise. | |
1581 | ||
1582 | proc check_effective_target_int16 { } { | |
1583 | return [check_no_compiler_messages int16 object { | |
1584 | int dummy[sizeof (int) < 4 ? 1 : -1]; | |
1585 | }] | |
1586 | } | |
1587 | ||
b6dc500c JJ |
1588 | # Return 1 if we're generating 64-bit code using default options, 0 |
1589 | # otherwise. | |
1590 | ||
1591 | proc check_effective_target_lp64 { } { | |
8ce1ac69 RS |
1592 | return [check_no_compiler_messages lp64 object { |
1593 | int dummy[sizeof (int) == 4 | |
1594 | && sizeof (void *) == 8 | |
1595 | && sizeof (long) == 8 ? 1 : -1]; | |
1596 | }] | |
b6dc500c JJ |
1597 | } |
1598 | ||
7ec59445 KT |
1599 | # Return 1 if we're generating 64-bit code using default llp64 options, |
1600 | # 0 otherwise. | |
1601 | ||
1602 | proc check_effective_target_llp64 { } { | |
1603 | return [check_no_compiler_messages llp64 object { | |
1604 | int dummy[sizeof (int) == 4 | |
1605 | && sizeof (void *) == 8 | |
1606 | && sizeof (long long) == 8 | |
1607 | && sizeof (long) == 4 ? 1 : -1]; | |
1608 | }] | |
1609 | } | |
1610 | ||
4efc447f MLI |
1611 | # Return 1 if the target supports long double larger than double, |
1612 | # 0 otherwise. | |
1613 | ||
1614 | proc check_effective_target_large_long_double { } { | |
1615 | return [check_no_compiler_messages large_long_double object { | |
1616 | int dummy[sizeof(long double) > sizeof(double) ? 1 : -1]; | |
1617 | }] | |
1618 | } | |
1619 | ||
fb4fc714 DD |
1620 | # Return 1 if the target supports double larger than float, |
1621 | # 0 otherwise. | |
1622 | ||
1623 | proc check_effective_target_large_double { } { | |
1624 | return [check_no_compiler_messages large_double object { | |
1625 | int dummy[sizeof(double) > sizeof(float) ? 1 : -1]; | |
1626 | }] | |
1627 | } | |
1628 | ||
1629 | # Return 1 if the target supports double of 64 bits, | |
1630 | # 0 otherwise. | |
1631 | ||
1632 | proc check_effective_target_double64 { } { | |
1633 | return [check_no_compiler_messages double64 object { | |
1634 | int dummy[sizeof(double) == 8 ? 1 : -1]; | |
1635 | }] | |
1636 | } | |
1637 | ||
1638 | # Return 1 if the target supports double of at least 64 bits, | |
1639 | # 0 otherwise. | |
1640 | ||
1641 | proc check_effective_target_double64plus { } { | |
1642 | return [check_no_compiler_messages double64plus object { | |
1643 | int dummy[sizeof(double) >= 8 ? 1 : -1]; | |
1644 | }] | |
1645 | } | |
1646 | ||
fca8ed94 CF |
1647 | # Return 1 if the target supports compiling fixed-point, |
1648 | # 0 otherwise. | |
1649 | ||
1650 | proc check_effective_target_fixed_point { } { | |
1651 | return [check_no_compiler_messages fixed_point object { | |
1652 | _Sat _Fract x; _Sat _Accum y; | |
1653 | }] | |
1654 | } | |
4efc447f | 1655 | |
265e7d50 JJ |
1656 | # Return 1 if the target supports compiling decimal floating point, |
1657 | # 0 otherwise. | |
1658 | ||
1659 | proc check_effective_target_dfp_nocache { } { | |
1660 | verbose "check_effective_target_dfp_nocache: compiling source" 2 | |
0ffd38c8 | 1661 | set ret [check_no_compiler_messages_nocache dfp object { |
a9ab39d3 | 1662 | float x __attribute__((mode(DD))); |
0ffd38c8 | 1663 | }] |
265e7d50 JJ |
1664 | verbose "check_effective_target_dfp_nocache: returning $ret" 2 |
1665 | return $ret | |
1666 | } | |
1667 | ||
1668 | proc check_effective_target_dfprt_nocache { } { | |
0ffd38c8 | 1669 | return [check_runtime_nocache dfprt { |
a9ab39d3 | 1670 | typedef float d64 __attribute__((mode(DD))); |
efc7a2a5 | 1671 | d64 x = 1.2df, y = 2.3dd, z; |
0ffd38c8 RS |
1672 | int main () { z = x + y; return 0; } |
1673 | }] | |
265e7d50 JJ |
1674 | } |
1675 | ||
1676 | # Return 1 if the target supports compiling Decimal Floating Point, | |
1677 | # 0 otherwise. | |
27a2694f JJ |
1678 | # |
1679 | # This won't change for different subtargets so cache the result. | |
1680 | ||
1681 | proc check_effective_target_dfp { } { | |
0ffd38c8 RS |
1682 | return [check_cached_effective_target dfp { |
1683 | check_effective_target_dfp_nocache | |
1684 | }] | |
27a2694f JJ |
1685 | } |
1686 | ||
265e7d50 | 1687 | # Return 1 if the target supports linking and executing Decimal Floating |
72a30e3c | 1688 | # Point, 0 otherwise. |
265e7d50 JJ |
1689 | # |
1690 | # This won't change for different subtargets so cache the result. | |
1691 | ||
1692 | proc check_effective_target_dfprt { } { | |
0ffd38c8 RS |
1693 | return [check_cached_effective_target dfprt { |
1694 | check_effective_target_dfprt_nocache | |
1695 | }] | |
265e7d50 JJ |
1696 | } |
1697 | ||
72a30e3c RO |
1698 | # Return 1 if the target supports compiling and assembling UCN, 0 otherwise. |
1699 | ||
1700 | proc check_effective_target_ucn_nocache { } { | |
1701 | # -std=c99 is only valid for C | |
1702 | if [check_effective_target_c] { | |
1703 | set ucnopts "-std=c99" | |
1704 | } | |
1705 | append ucnopts " -fextended-identifiers" | |
1706 | verbose "check_effective_target_ucn_nocache: compiling source" 2 | |
1707 | set ret [check_no_compiler_messages_nocache ucn object { | |
1708 | int \u00C0; | |
1709 | } $ucnopts] | |
1710 | verbose "check_effective_target_ucn_nocache: returning $ret" 2 | |
1711 | return $ret | |
1712 | } | |
1713 | ||
1714 | # Return 1 if the target supports compiling and assembling UCN, 0 otherwise. | |
1715 | # | |
1716 | # This won't change for different subtargets, so cache the result. | |
1717 | ||
1718 | proc check_effective_target_ucn { } { | |
1719 | return [check_cached_effective_target ucn { | |
1720 | check_effective_target_ucn_nocache | |
1721 | }] | |
1722 | } | |
1723 | ||
b956116e PB |
1724 | # Return 1 if the target needs a command line argument to enable a SIMD |
1725 | # instruction set. | |
b956116e PB |
1726 | |
1727 | proc check_effective_target_vect_cmdline_needed { } { | |
1728 | global et_vect_cmdline_needed_saved | |
e87a56b4 JM |
1729 | global et_vect_cmdline_needed_target_name |
1730 | ||
1731 | if { ![info exists et_vect_cmdline_needed_target_name] } { | |
1732 | set et_vect_cmdline_needed_target_name "" | |
1733 | } | |
1734 | ||
1735 | # If the target has changed since we set the cached value, clear it. | |
1736 | set current_target [current_target_name] | |
1737 | if { $current_target != $et_vect_cmdline_needed_target_name } { | |
1738 | verbose "check_effective_target_vect_cmdline_needed: `$et_vect_cmdline_needed_target_name' `$current_target'" 2 | |
1739 | set et_vect_cmdline_needed_target_name $current_target | |
1740 | if { [info exists et_vect_cmdline_needed_saved] } { | |
1741 | verbose "check_effective_target_vect_cmdline_needed: removing cached result" 2 | |
1742 | unset et_vect_cmdline_needed_saved | |
1743 | } | |
1744 | } | |
b956116e PB |
1745 | |
1746 | if [info exists et_vect_cmdline_needed_saved] { | |
1747 | verbose "check_effective_target_vect_cmdline_needed: using cached result" 2 | |
1748 | } else { | |
1749 | set et_vect_cmdline_needed_saved 1 | |
f32c6a2b UB |
1750 | if { [istarget alpha*-*-*] |
1751 | || [istarget ia64-*-*] | |
e87a56b4 | 1752 | || (([istarget x86_64-*-*] || [istarget i?86-*-*]) |
489319d5 L |
1753 | && ([check_effective_target_x32] |
1754 | || [check_effective_target_lp64])) | |
624168de | 1755 | || ([istarget powerpc*-*-*] |
5eb96b60 | 1756 | && ([check_effective_target_powerpc_spe] |
95730f5e | 1757 | || [check_effective_target_powerpc_altivec])) |
b61b26e4 JM |
1758 | || [istarget spu-*-*] |
1759 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } { | |
b956116e PB |
1760 | set et_vect_cmdline_needed_saved 0 |
1761 | } | |
1762 | } | |
1763 | ||
1764 | verbose "check_effective_target_vect_cmdline_needed: returning $et_vect_cmdline_needed_saved" 2 | |
1765 | return $et_vect_cmdline_needed_saved | |
1766 | } | |
1767 | ||
07d05ffd JJ |
1768 | # Return 1 if the target supports hardware vectors of int, 0 otherwise. |
1769 | # | |
1770 | # This won't change for different subtargets so cache the result. | |
1771 | ||
1772 | proc check_effective_target_vect_int { } { | |
1773 | global et_vect_int_saved | |
1774 | ||
1775 | if [info exists et_vect_int_saved] { | |
1776 | verbose "check_effective_target_vect_int: using cached result" 2 | |
1777 | } else { | |
1778 | set et_vect_int_saved 0 | |
1779 | if { [istarget i?86-*-*] | |
e2e95f45 RE |
1780 | || ([istarget powerpc*-*-*] |
1781 | && ![istarget powerpc-*-linux*paired*]) | |
0f6909b9 | 1782 | || [istarget spu-*-*] |
07d05ffd | 1783 | || [istarget x86_64-*-*] |
31589ec6 | 1784 | || [istarget sparc*-*-*] |
f61134e8 | 1785 | || [istarget alpha*-*-*] |
b61b26e4 | 1786 | || [istarget ia64-*-*] |
0d108d15 MX |
1787 | || [check_effective_target_arm32] |
1788 | || ([istarget mips*-*-*] | |
1789 | && [check_effective_target_mips_loongson]) } { | |
07d05ffd JJ |
1790 | set et_vect_int_saved 1 |
1791 | } | |
1792 | } | |
1793 | ||
1794 | verbose "check_effective_target_vect_int: returning $et_vect_int_saved" 2 | |
1795 | return $et_vect_int_saved | |
1796 | } | |
1797 | ||
5dc7911e | 1798 | # Return 1 if the target supports signed int->float conversion |
cb9ed5d7 DN |
1799 | # |
1800 | ||
1801 | proc check_effective_target_vect_intfloat_cvt { } { | |
1802 | global et_vect_intfloat_cvt_saved | |
1803 | ||
1804 | if [info exists et_vect_intfloat_cvt_saved] { | |
1805 | verbose "check_effective_target_vect_intfloat_cvt: using cached result" 2 | |
1806 | } else { | |
1807 | set et_vect_intfloat_cvt_saved 0 | |
1808 | if { [istarget i?86-*-*] | |
e2e95f45 RE |
1809 | || ([istarget powerpc*-*-*] |
1810 | && ![istarget powerpc-*-linux*paired*]) | |
cb9ed5d7 DN |
1811 | || [istarget x86_64-*-*] } { |
1812 | set et_vect_intfloat_cvt_saved 1 | |
1813 | } | |
1814 | } | |
1815 | ||
1816 | verbose "check_effective_target_vect_intfloat_cvt: returning $et_vect_intfloat_cvt_saved" 2 | |
1817 | return $et_vect_intfloat_cvt_saved | |
1818 | } | |
1819 | ||
a6766312 KT |
1820 | #Return 1 if we're supporting __int128 for target, 0 otherwise. |
1821 | ||
1822 | proc check_effective_target_int128 { } { | |
1823 | return [check_no_compiler_messages int128 object { | |
1824 | int dummy[ | |
1825 | #ifndef __SIZEOF_INT128__ | |
1826 | -1 | |
1827 | #else | |
1828 | 1 | |
1829 | #endif | |
1830 | ]; | |
1831 | }] | |
1832 | } | |
cb9ed5d7 | 1833 | |
5dc7911e RG |
1834 | # Return 1 if the target supports unsigned int->float conversion |
1835 | # | |
1836 | ||
1837 | proc check_effective_target_vect_uintfloat_cvt { } { | |
1838 | global et_vect_uintfloat_cvt_saved | |
1839 | ||
1840 | if [info exists et_vect_uintfloat_cvt_saved] { | |
1841 | verbose "check_effective_target_vect_uintfloat_cvt: using cached result" 2 | |
1842 | } else { | |
1843 | set et_vect_uintfloat_cvt_saved 0 | |
54e86f6b UB |
1844 | if { [istarget i?86-*-*] |
1845 | || ([istarget powerpc*-*-*] | |
1846 | && ![istarget powerpc-*-linux*paired*]) | |
1847 | || [istarget x86_64-*-*] } { | |
5dc7911e RG |
1848 | set et_vect_uintfloat_cvt_saved 1 |
1849 | } | |
1850 | } | |
1851 | ||
1852 | verbose "check_effective_target_vect_uintfloat_cvt: returning $et_vect_uintfloat_cvt_saved" 2 | |
1853 | return $et_vect_uintfloat_cvt_saved | |
1854 | } | |
1855 | ||
1856 | ||
1857 | # Return 1 if the target supports signed float->int conversion | |
cb9ed5d7 DN |
1858 | # |
1859 | ||
1860 | proc check_effective_target_vect_floatint_cvt { } { | |
1861 | global et_vect_floatint_cvt_saved | |
1862 | ||
1863 | if [info exists et_vect_floatint_cvt_saved] { | |
1864 | verbose "check_effective_target_vect_floatint_cvt: using cached result" 2 | |
1865 | } else { | |
1866 | set et_vect_floatint_cvt_saved 0 | |
1867 | if { [istarget i?86-*-*] | |
7910ae0c DN |
1868 | || ([istarget powerpc*-*-*] |
1869 | && ![istarget powerpc-*-linux*paired*]) | |
cb9ed5d7 DN |
1870 | || [istarget x86_64-*-*] } { |
1871 | set et_vect_floatint_cvt_saved 1 | |
1872 | } | |
1873 | } | |
1874 | ||
1875 | verbose "check_effective_target_vect_floatint_cvt: returning $et_vect_floatint_cvt_saved" 2 | |
1876 | return $et_vect_floatint_cvt_saved | |
1877 | } | |
1878 | ||
5dc7911e RG |
1879 | # Return 1 if the target supports unsigned float->int conversion |
1880 | # | |
1881 | ||
1882 | proc check_effective_target_vect_floatuint_cvt { } { | |
1883 | global et_vect_floatuint_cvt_saved | |
1884 | ||
1885 | if [info exists et_vect_floatuint_cvt_saved] { | |
1886 | verbose "check_effective_target_vect_floatuint_cvt: using cached result" 2 | |
1887 | } else { | |
1888 | set et_vect_floatuint_cvt_saved 0 | |
1889 | if { ([istarget powerpc*-*-*] | |
1890 | && ![istarget powerpc-*-linux*paired*]) } { | |
1891 | set et_vect_floatuint_cvt_saved 1 | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | verbose "check_effective_target_vect_floatuint_cvt: returning $et_vect_floatuint_cvt_saved" 2 | |
1896 | return $et_vect_floatuint_cvt_saved | |
1897 | } | |
1898 | ||
0d341a6a PB |
1899 | # Return 1 is this is an arm target using 32-bit instructions |
1900 | proc check_effective_target_arm32 { } { | |
336e494f DJ |
1901 | return [check_no_compiler_messages arm32 assembly { |
1902 | #if !defined(__arm__) || (defined(__thumb__) && !defined(__thumb2__)) | |
1903 | #error FOO | |
1904 | #endif | |
1905 | }] | |
0d341a6a PB |
1906 | } |
1907 | ||
3b99e635 JJ |
1908 | # Return 1 is this is an arm target not using Thumb |
1909 | proc check_effective_target_arm_nothumb { } { | |
1910 | return [check_no_compiler_messages arm_nothumb assembly { | |
1911 | #if (defined(__thumb__) || defined(__thumb2__)) | |
1912 | #error FOO | |
1913 | #endif | |
1914 | }] | |
1915 | } | |
1916 | ||
0094f21b JB |
1917 | # Return 1 if this is a little-endian ARM target |
1918 | proc check_effective_target_arm_little_endian { } { | |
1919 | return [check_no_compiler_messages arm_little_endian assembly { | |
1920 | #if !defined(__arm__) || !defined(__ARMEL__) | |
1921 | #error FOO | |
1922 | #endif | |
1923 | }] | |
1924 | } | |
1925 | ||
c452684d JB |
1926 | # Return 1 if this is an ARM target that only supports aligned vector accesses |
1927 | proc check_effective_target_arm_vect_no_misalign { } { | |
1928 | return [check_no_compiler_messages arm_vect_no_misalign assembly { | |
1929 | #if !defined(__arm__) \ | |
1930 | || (defined(__ARMEL__) \ | |
1931 | && (!defined(__thumb__) || defined(__thumb2__))) | |
1932 | #error FOO | |
1933 | #endif | |
1934 | }] | |
1935 | } | |
1936 | ||
1937 | ||
c03b9206 JM |
1938 | # Return 1 if this is an ARM target supporting -mfpu=vfp |
1939 | # -mfloat-abi=softfp. Some multilibs may be incompatible with these | |
1940 | # options. | |
1941 | ||
1942 | proc check_effective_target_arm_vfp_ok { } { | |
1943 | if { [check_effective_target_arm32] } { | |
1944 | return [check_no_compiler_messages arm_vfp_ok object { | |
1945 | int dummy; | |
1946 | } "-mfpu=vfp -mfloat-abi=softfp"] | |
1947 | } else { | |
1948 | return 0 | |
1949 | } | |
1950 | } | |
1951 | ||
390b17c2 RE |
1952 | # Return 1 if this is an ARM target supporting -mfpu=vfp |
1953 | # -mfloat-abi=hard. Some multilibs may be incompatible with these | |
1954 | # options. | |
1955 | ||
1956 | proc check_effective_target_arm_hard_vfp_ok { } { | |
1957 | if { [check_effective_target_arm32] } { | |
1958 | return [check_no_compiler_messages arm_hard_vfp_ok executable { | |
1959 | int main() { return 0;} | |
1960 | } "-mfpu=vfp -mfloat-abi=hard"] | |
1961 | } else { | |
1962 | return 0 | |
1963 | } | |
1964 | } | |
1965 | ||
09411ce3 JJ |
1966 | # Return 1 if this is an ARM target that supports DSP multiply with |
1967 | # current multilib flags. | |
1968 | ||
1969 | proc check_effective_target_arm_dsp { } { | |
1970 | return [check_no_compiler_messages arm_dsp assembly { | |
1971 | #ifndef __ARM_FEATURE_DSP | |
1972 | #error not DSP | |
1973 | #endif | |
1974 | int i; | |
1975 | }] | |
1976 | } | |
1977 | ||
0c422e74 DJ |
1978 | # Add the options needed for NEON. We need either -mfloat-abi=softfp |
1979 | # or -mfloat-abi=hard, but if one is already specified by the | |
1980 | # multilib, use it. Similarly, if a -mfpu option already enables | |
1981 | # NEON, do not add -mfpu=neon. | |
1982 | ||
1983 | proc add_options_for_arm_neon { flags } { | |
1984 | if { ! [check_effective_target_arm_neon_ok] } { | |
1985 | return "$flags" | |
1986 | } | |
1987 | global et_arm_neon_flags | |
1988 | return "$flags $et_arm_neon_flags" | |
1989 | } | |
1990 | ||
88f77cba | 1991 | # Return 1 if this is an ARM target supporting -mfpu=neon |
0c422e74 DJ |
1992 | # -mfloat-abi=softfp or equivalent options. Some multilibs may be |
1993 | # incompatible with these options. Also set et_arm_neon_flags to the | |
1994 | # best options to add. | |
1995 | ||
1996 | proc check_effective_target_arm_neon_ok_nocache { } { | |
1997 | global et_arm_neon_flags | |
1998 | set et_arm_neon_flags "" | |
1999 | if { [check_effective_target_arm32] } { | |
2000 | foreach flags {"" "-mfloat-abi=softfp" "-mfpu=neon" "-mfpu=neon -mfloat-abi=softfp"} { | |
2001 | if { [check_no_compiler_messages_nocache arm_neon_ok object { | |
2002 | #include "arm_neon.h" | |
2003 | int dummy; | |
2004 | } "$flags"] } { | |
2005 | set et_arm_neon_flags $flags | |
2006 | return 1 | |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | return 0 | |
2012 | } | |
88f77cba JB |
2013 | |
2014 | proc check_effective_target_arm_neon_ok { } { | |
0c422e74 DJ |
2015 | return [check_cached_effective_target arm_neon_ok \ |
2016 | check_effective_target_arm_neon_ok_nocache] | |
2017 | } | |
2018 | ||
2019 | # Add the options needed for NEON. We need either -mfloat-abi=softfp | |
2020 | # or -mfloat-abi=hard, but if one is already specified by the | |
2021 | # multilib, use it. | |
2022 | ||
cf0a9c20 JJ |
2023 | proc add_options_for_arm_fp16 { flags } { |
2024 | if { ! [check_effective_target_arm_fp16_ok] } { | |
0c422e74 DJ |
2025 | return "$flags" |
2026 | } | |
cf0a9c20 JJ |
2027 | global et_arm_fp16_flags |
2028 | return "$flags $et_arm_fp16_flags" | |
0c422e74 DJ |
2029 | } |
2030 | ||
cf0a9c20 JJ |
2031 | # Return 1 if this is an ARM target that can support a VFP fp16 variant. |
2032 | # Skip multilibs that are incompatible with these options and set | |
2033 | # et_arm_fp16_flags to the best options to add. | |
0c422e74 | 2034 | |
cf0a9c20 JJ |
2035 | proc check_effective_target_arm_fp16_ok_nocache { } { |
2036 | global et_arm_fp16_flags | |
2037 | set et_arm_fp16_flags "" | |
2038 | if { ! [check_effective_target_arm32] } { | |
2039 | return 0; | |
2040 | } | |
2041 | if [check-flags [list "" { *-*-* } { "-mfpu=*" } { "-mfpu=*fp16*" "-mfpu=*fpv[4-9]*" "-mfpu=*fpv[1-9][0-9]*" } ]] { | |
2042 | # Multilib flags would override -mfpu. | |
2043 | return 0 | |
2044 | } | |
2045 | if [check-flags [list "" { *-*-* } { "-mfloat-abi=soft" } { "" } ]] { | |
2046 | # Must generate floating-point instructions. | |
2047 | return 0 | |
2048 | } | |
2049 | if [check-flags [list "" { *-*-* } { "-mfpu=*" } { "" } ]] { | |
2050 | # The existing -mfpu value is OK; use it, but add softfp. | |
2051 | set et_arm_fp16_flags "-mfloat-abi=softfp" | |
2052 | return 1; | |
2053 | } | |
2054 | # Add -mfpu for a VFP fp16 variant since there is no preprocessor | |
2055 | # macro to check for this support. | |
2056 | set flags "-mfpu=vfpv4 -mfloat-abi=softfp" | |
2057 | if { [check_no_compiler_messages_nocache arm_fp16_ok assembly { | |
2058 | int dummy; | |
2059 | } "$flags"] } { | |
2060 | set et_arm_fp16_flags "$flags" | |
2061 | return 1 | |
88f77cba | 2062 | } |
0c422e74 DJ |
2063 | |
2064 | return 0 | |
2065 | } | |
2066 | ||
cf0a9c20 JJ |
2067 | proc check_effective_target_arm_fp16_ok { } { |
2068 | return [check_cached_effective_target arm_fp16_ok \ | |
2069 | check_effective_target_arm_fp16_ok_nocache] | |
88f77cba JB |
2070 | } |
2071 | ||
4a0c473d JM |
2072 | # Return 1 is this is an ARM target where -mthumb causes Thumb-1 to be |
2073 | # used. | |
2074 | ||
2075 | proc check_effective_target_arm_thumb1_ok { } { | |
2076 | return [check_no_compiler_messages arm_thumb1_ok assembly { | |
2077 | #if !defined(__arm__) || !defined(__thumb__) || defined(__thumb2__) | |
2078 | #error FOO | |
2079 | #endif | |
2080 | } "-mthumb"] | |
2081 | } | |
2082 | ||
7d31a807 MM |
2083 | # Return 1 is this is an ARM target where -mthumb causes Thumb-2 to be |
2084 | # used. | |
2085 | ||
2086 | proc check_effective_target_arm_thumb2_ok { } { | |
2087 | return [check_no_compiler_messages arm_thumb2_ok assembly { | |
2088 | #if !defined(__thumb2__) | |
2089 | #error FOO | |
2090 | #endif | |
2091 | } "-mthumb"] | |
2092 | } | |
2093 | ||
7122998a JJ |
2094 | # Return 1 if this is an ARM target where Thumb-1 is used without options |
2095 | # added by the test. | |
2096 | ||
2097 | proc check_effective_target_arm_thumb1 { } { | |
2098 | return [check_no_compiler_messages arm_thumb1 assembly { | |
2099 | #if !defined(__arm__) || !defined(__thumb__) || defined(__thumb2__) | |
2100 | #error not thumb1 | |
2101 | #endif | |
2102 | int i; | |
2103 | } ""] | |
2104 | } | |
2105 | ||
2106 | # Return 1 if this is an ARM target where Thumb-2 is used without options | |
2107 | # added by the test. | |
3b99e635 JJ |
2108 | |
2109 | proc check_effective_target_arm_thumb2 { } { | |
2110 | return [check_no_compiler_messages arm_thumb2 assembly { | |
2111 | #if !defined(__thumb2__) | |
2112 | #error FOO | |
2113 | #endif | |
7122998a | 2114 | int i; |
3b99e635 JJ |
2115 | } ""] |
2116 | } | |
2117 | ||
88f77cba JB |
2118 | # Return 1 if the target supports executing NEON instructions, 0 |
2119 | # otherwise. Cache the result. | |
2120 | ||
2121 | proc check_effective_target_arm_neon_hw { } { | |
0ffd38c8 RS |
2122 | return [check_runtime arm_neon_hw_available { |
2123 | int | |
2124 | main (void) | |
2125 | { | |
2126 | long long a = 0, b = 1; | |
2127 | asm ("vorr %P0, %P1, %P2" | |
2128 | : "=w" (a) | |
2129 | : "0" (a), "w" (b)); | |
2130 | return (a != 1); | |
2131 | } | |
0c422e74 | 2132 | } [add_options_for_arm_neon ""]] |
88f77cba JB |
2133 | } |
2134 | ||
b61b26e4 JM |
2135 | # Return 1 if this is a ARM target with NEON enabled. |
2136 | ||
2137 | proc check_effective_target_arm_neon { } { | |
2138 | if { [check_effective_target_arm32] } { | |
2139 | return [check_no_compiler_messages arm_neon object { | |
2140 | #ifndef __ARM_NEON__ | |
2141 | #error not NEON | |
2142 | #else | |
2143 | int dummy; | |
2144 | #endif | |
2145 | }] | |
2146 | } else { | |
2147 | return 0 | |
2148 | } | |
2149 | } | |
2150 | ||
93581857 MS |
2151 | # Return 1 if this a Loongson-2E or -2F target using an ABI that supports |
2152 | # the Loongson vector modes. | |
2153 | ||
2154 | proc check_effective_target_mips_loongson { } { | |
2155 | return [check_no_compiler_messages loongson assembly { | |
2156 | #if !defined(__mips_loongson_vector_rev) | |
2157 | #error FOO | |
2158 | #endif | |
2159 | }] | |
2160 | } | |
2161 | ||
07d8efe3 MM |
2162 | # Return 1 if this is an ARM target that adheres to the ABI for the ARM |
2163 | # Architecture. | |
2164 | ||
2165 | proc check_effective_target_arm_eabi { } { | |
2166 | return [check_no_compiler_messages arm_eabi object { | |
2167 | #ifndef __ARM_EABI__ | |
2168 | #error not EABI | |
2169 | #else | |
2170 | int dummy; | |
2171 | #endif | |
2172 | }] | |
2173 | } | |
2174 | ||
5399093b MR |
2175 | # Return 1 if this is an ARM target supporting -mcpu=iwmmxt. |
2176 | # Some multilibs may be incompatible with this option. | |
2177 | ||
2178 | proc check_effective_target_arm_iwmmxt_ok { } { | |
2179 | if { [check_effective_target_arm32] } { | |
2180 | return [check_no_compiler_messages arm_iwmmxt_ok object { | |
2181 | int dummy; | |
2182 | } "-mcpu=iwmmxt"] | |
2183 | } else { | |
2184 | return 0 | |
2185 | } | |
2186 | } | |
2187 | ||
1dbf8c24 JM |
2188 | # Return 1 if this is a PowerPC target with floating-point registers. |
2189 | ||
2190 | proc check_effective_target_powerpc_fprs { } { | |
2191 | if { [istarget powerpc*-*-*] | |
2192 | || [istarget rs6000-*-*] } { | |
2193 | return [check_no_compiler_messages powerpc_fprs object { | |
2194 | #ifdef __NO_FPRS__ | |
2195 | #error no FPRs | |
2196 | #else | |
2197 | int dummy; | |
2198 | #endif | |
2199 | }] | |
2200 | } else { | |
2201 | return 0 | |
2202 | } | |
2203 | } | |
2204 | ||
1b811175 JM |
2205 | # Return 1 if this is a PowerPC target with hardware double-precision |
2206 | # floating point. | |
2207 | ||
2208 | proc check_effective_target_powerpc_hard_double { } { | |
2209 | if { [istarget powerpc*-*-*] | |
2210 | || [istarget rs6000-*-*] } { | |
2211 | return [check_no_compiler_messages powerpc_hard_double object { | |
2212 | #ifdef _SOFT_DOUBLE | |
2213 | #error soft double | |
2214 | #else | |
2215 | int dummy; | |
2216 | #endif | |
2217 | }] | |
2218 | } else { | |
2219 | return 0 | |
2220 | } | |
2221 | } | |
2222 | ||
1dbf8c24 JM |
2223 | # Return 1 if this is a PowerPC target supporting -maltivec. |
2224 | ||
2225 | proc check_effective_target_powerpc_altivec_ok { } { | |
e2e95f45 RE |
2226 | if { ([istarget powerpc*-*-*] |
2227 | && ![istarget powerpc-*-linux*paired*]) | |
1dbf8c24 | 2228 | || [istarget rs6000-*-*] } { |
fc632f6e DE |
2229 | # AltiVec is not supported on AIX before 5.3. |
2230 | if { [istarget powerpc*-*-aix4*] | |
2231 | || [istarget powerpc*-*-aix5.1*] | |
2232 | || [istarget powerpc*-*-aix5.2*] } { | |
1dbf8c24 JM |
2233 | return 0 |
2234 | } | |
2235 | return [check_no_compiler_messages powerpc_altivec_ok object { | |
2236 | int dummy; | |
2237 | } "-maltivec"] | |
2238 | } else { | |
2239 | return 0 | |
2240 | } | |
2241 | } | |
2242 | ||
29e6733c MM |
2243 | # Return 1 if this is a PowerPC target supporting -mvsx |
2244 | ||
2245 | proc check_effective_target_powerpc_vsx_ok { } { | |
2246 | if { ([istarget powerpc*-*-*] | |
2247 | && ![istarget powerpc-*-linux*paired*]) | |
2248 | || [istarget rs6000-*-*] } { | |
2249 | # AltiVec is not supported on AIX before 5.3. | |
2250 | if { [istarget powerpc*-*-aix4*] | |
2251 | || [istarget powerpc*-*-aix5.1*] | |
2252 | || [istarget powerpc*-*-aix5.2*] } { | |
2253 | return 0 | |
2254 | } | |
2255 | return [check_no_compiler_messages powerpc_vsx_ok object { | |
2256 | int main (void) { | |
2257 | #ifdef __MACH__ | |
2258 | asm volatile ("xxlor vs0,vs0,vs0"); | |
2259 | #else | |
2260 | asm volatile ("xxlor 0,0,0"); | |
2261 | #endif | |
2262 | return 0; | |
2263 | } | |
2264 | } "-mvsx"] | |
2265 | } else { | |
2266 | return 0 | |
2267 | } | |
2268 | } | |
2269 | ||
f7790b41 JJ |
2270 | # Return 1 if this is a PowerPC target supporting -mcpu=cell. |
2271 | ||
2272 | proc check_effective_target_powerpc_ppu_ok { } { | |
2273 | if [check_effective_target_powerpc_altivec_ok] { | |
2274 | return [check_no_compiler_messages cell_asm_available object { | |
2275 | int main (void) { | |
2276 | #ifdef __MACH__ | |
2277 | asm volatile ("lvlx v0,v0,v0"); | |
2278 | #else | |
2279 | asm volatile ("lvlx 0,0,0"); | |
2280 | #endif | |
2281 | return 0; | |
2282 | } | |
2283 | }] | |
2284 | } else { | |
2285 | return 0 | |
2286 | } | |
2287 | } | |
2288 | ||
6dd116be JJ |
2289 | # Return 1 if this is a PowerPC target that supports SPU. |
2290 | ||
2291 | proc check_effective_target_powerpc_spu { } { | |
19073ebc | 2292 | if { [istarget powerpc*-*-linux*] } { |
6130e0f0 JM |
2293 | return [check_effective_target_powerpc_altivec_ok] |
2294 | } else { | |
2295 | return 0 | |
2296 | } | |
6dd116be JJ |
2297 | } |
2298 | ||
96a995c4 DJ |
2299 | # Return 1 if this is a PowerPC SPE target. The check includes options |
2300 | # specified by dg-options for this test, so don't cache the result. | |
2301 | ||
2302 | proc check_effective_target_powerpc_spe_nocache { } { | |
2303 | if { [istarget powerpc*-*-*] } { | |
2304 | return [check_no_compiler_messages_nocache powerpc_spe object { | |
2305 | #ifndef __SPE__ | |
2306 | #error not SPE | |
2307 | #else | |
2308 | int dummy; | |
2309 | #endif | |
2310 | } [current_compiler_flags]] | |
2311 | } else { | |
2312 | return 0 | |
2313 | } | |
2314 | } | |
2315 | ||
624168de JM |
2316 | # Return 1 if this is a PowerPC target with SPE enabled. |
2317 | ||
2318 | proc check_effective_target_powerpc_spe { } { | |
2319 | if { [istarget powerpc*-*-*] } { | |
2320 | return [check_no_compiler_messages powerpc_spe object { | |
2321 | #ifndef __SPE__ | |
2322 | #error not SPE | |
2323 | #else | |
2324 | int dummy; | |
2325 | #endif | |
2326 | }] | |
2327 | } else { | |
2328 | return 0 | |
2329 | } | |
2330 | } | |
2331 | ||
5eb96b60 JM |
2332 | # Return 1 if this is a PowerPC target with Altivec enabled. |
2333 | ||
2334 | proc check_effective_target_powerpc_altivec { } { | |
2335 | if { [istarget powerpc*-*-*] } { | |
2336 | return [check_no_compiler_messages powerpc_altivec object { | |
2337 | #ifndef __ALTIVEC__ | |
2338 | #error not Altivec | |
2339 | #else | |
2340 | int dummy; | |
2341 | #endif | |
2342 | }] | |
2343 | } else { | |
2344 | return 0 | |
2345 | } | |
2346 | } | |
2347 | ||
79ee9e8b JS |
2348 | # Return 1 if this is a PowerPC 405 target. The check includes options |
2349 | # specified by dg-options for this test, so don't cache the result. | |
2350 | ||
2351 | proc check_effective_target_powerpc_405_nocache { } { | |
2352 | if { [istarget powerpc*-*-*] || [istarget rs6000-*-*] } { | |
2353 | return [check_no_compiler_messages_nocache powerpc_405 object { | |
2354 | #ifdef __PPC405__ | |
2355 | int dummy; | |
2356 | #else | |
2357 | #error not a PPC405 | |
2358 | #endif | |
2359 | } [current_compiler_flags]] | |
2360 | } else { | |
2361 | return 0 | |
2362 | } | |
2363 | } | |
2364 | ||
73883255 UW |
2365 | # Return 1 if this is a SPU target with a toolchain that |
2366 | # supports automatic overlay generation. | |
2367 | ||
2368 | proc check_effective_target_spu_auto_overlay { } { | |
2369 | if { [istarget spu*-*-elf*] } { | |
2370 | return [check_no_compiler_messages spu_auto_overlay executable { | |
2371 | int main (void) { } | |
2372 | } "-Wl,--auto-overlay" ] | |
2373 | } else { | |
2374 | return 0 | |
2375 | } | |
2376 | } | |
2377 | ||
d566f2e6 NF |
2378 | # The VxWorks SPARC simulator accepts only EM_SPARC executables and |
2379 | # chokes on EM_SPARC32PLUS or EM_SPARCV9 executables. Return 1 if the | |
2380 | # test environment appears to run executables on such a simulator. | |
2381 | ||
2382 | proc check_effective_target_ultrasparc_hw { } { | |
0ffd38c8 RS |
2383 | return [check_runtime ultrasparc_hw { |
2384 | int main() { return 0; } | |
2385 | } "-mcpu=ultrasparc"] | |
d566f2e6 NF |
2386 | } |
2387 | ||
3e0de9d1 DP |
2388 | # Return 1 if the target supports hardware vector shift operation. |
2389 | ||
2390 | proc check_effective_target_vect_shift { } { | |
41a182c6 UB |
2391 | global et_vect_shift_saved |
2392 | ||
2393 | if [info exists et_vect_shift_saved] { | |
2394 | verbose "check_effective_target_vect_shift: using cached result" 2 | |
3e0de9d1 | 2395 | } else { |
41a182c6 | 2396 | set et_vect_shift_saved 0 |
e2e95f45 RE |
2397 | if { ([istarget powerpc*-*-*] |
2398 | && ![istarget powerpc-*-linux*paired*]) | |
41a182c6 UB |
2399 | || [istarget ia64-*-*] |
2400 | || [istarget i?86-*-*] | |
b61b26e4 | 2401 | || [istarget x86_64-*-*] |
0d108d15 MX |
2402 | || [check_effective_target_arm32] |
2403 | || ([istarget mips*-*-*] | |
2404 | && [check_effective_target_mips_loongson]) } { | |
41a182c6 UB |
2405 | set et_vect_shift_saved 1 |
2406 | } | |
3e0de9d1 DP |
2407 | } |
2408 | ||
41a182c6 UB |
2409 | verbose "check_effective_target_vect_shift: returning $et_vect_shift_saved" 2 |
2410 | return $et_vect_shift_saved | |
3e0de9d1 DP |
2411 | } |
2412 | ||
d92826be IR |
2413 | # Return 1 if the target supports hardware vector shift operation with |
2414 | # scalar shift argument. | |
2415 | ||
2416 | proc check_effective_target_vect_shift_scalar { } { | |
2417 | global et_vect_shift_scalar_saved | |
2418 | ||
2419 | if [info exists et_vect_shift_scalar_saved] { | |
2420 | verbose "check_effective_target_vect_shift_scalar: using cached result" 2 | |
2421 | } else { | |
2422 | set et_vect_shift_scalar_saved 0 | |
2423 | if { [istarget x86_64-*-*] | |
2424 | || [istarget i?86-*-*] } { | |
2425 | set et_vect_shift_scalar_saved 1 | |
2426 | } | |
2427 | } | |
2428 | ||
2429 | verbose "check_effective_target_vect_shift_scalar: returning $et_vect_shift_scalar_saved" 2 | |
2430 | return $et_vect_shift_scalar_saved | |
2431 | } | |
2432 | ||
2433 | ||
cfc99488 DJ |
2434 | # Return 1 if the target supports hardware vector shift operation for char. |
2435 | ||
2436 | proc check_effective_target_vect_shift_char { } { | |
2437 | global et_vect_shift_char_saved | |
2438 | ||
2439 | if [info exists et_vect_shift_char_saved] { | |
2440 | verbose "check_effective_target_vect_shift_char: using cached result" 2 | |
2441 | } else { | |
2442 | set et_vect_shift_char_saved 0 | |
2443 | if { ([istarget powerpc*-*-*] | |
2444 | && ![istarget powerpc-*-linux*paired*]) | |
2445 | || [check_effective_target_arm32] } { | |
2446 | set et_vect_shift_char_saved 1 | |
2447 | } | |
2448 | } | |
2449 | ||
2450 | verbose "check_effective_target_vect_shift_char: returning $et_vect_shift_char_saved" 2 | |
2451 | return $et_vect_shift_char_saved | |
2452 | } | |
2453 | ||
31589ec6 RH |
2454 | # Return 1 if the target supports hardware vectors of long, 0 otherwise. |
2455 | # | |
f470b1e5 | 2456 | # This can change for different subtargets so do not cache the result. |
31589ec6 RH |
2457 | |
2458 | proc check_effective_target_vect_long { } { | |
f470b1e5 | 2459 | if { [istarget i?86-*-*] |
e2e95f45 RE |
2460 | || (([istarget powerpc*-*-*] |
2461 | && ![istarget powerpc-*-linux*paired*]) | |
2462 | && [check_effective_target_ilp32]) | |
f470b1e5 | 2463 | || [istarget x86_64-*-*] |
b61b26e4 | 2464 | || [check_effective_target_arm32] |
f470b1e5 JJ |
2465 | || ([istarget sparc*-*-*] && [check_effective_target_ilp32]) } { |
2466 | set answer 1 | |
31589ec6 | 2467 | } else { |
f470b1e5 | 2468 | set answer 0 |
31589ec6 RH |
2469 | } |
2470 | ||
f470b1e5 JJ |
2471 | verbose "check_effective_target_vect_long: returning $answer" 2 |
2472 | return $answer | |
31589ec6 RH |
2473 | } |
2474 | ||
07d05ffd JJ |
2475 | # Return 1 if the target supports hardware vectors of float, 0 otherwise. |
2476 | # | |
2477 | # This won't change for different subtargets so cache the result. | |
2478 | ||
2479 | proc check_effective_target_vect_float { } { | |
2480 | global et_vect_float_saved | |
2481 | ||
2482 | if [info exists et_vect_float_saved] { | |
2483 | verbose "check_effective_target_vect_float: using cached result" 2 | |
2484 | } else { | |
2485 | set et_vect_float_saved 0 | |
2486 | if { [istarget i?86-*-*] | |
2487 | || [istarget powerpc*-*-*] | |
0f6909b9 | 2488 | || [istarget spu-*-*] |
07d05ffd | 2489 | || [istarget mipsisa64*-*-*] |
f61134e8 | 2490 | || [istarget x86_64-*-*] |
b61b26e4 JM |
2491 | || [istarget ia64-*-*] |
2492 | || [check_effective_target_arm32] } { | |
07d05ffd JJ |
2493 | set et_vect_float_saved 1 |
2494 | } | |
2495 | } | |
2496 | ||
2497 | verbose "check_effective_target_vect_float: returning $et_vect_float_saved" 2 | |
2498 | return $et_vect_float_saved | |
2499 | } | |
2500 | ||
2501 | # Return 1 if the target supports hardware vectors of double, 0 otherwise. | |
2502 | # | |
2503 | # This won't change for different subtargets so cache the result. | |
2504 | ||
2505 | proc check_effective_target_vect_double { } { | |
2506 | global et_vect_double_saved | |
2507 | ||
2508 | if [info exists et_vect_double_saved] { | |
2509 | verbose "check_effective_target_vect_double: using cached result" 2 | |
2510 | } else { | |
2511 | set et_vect_double_saved 0 | |
2512 | if { [istarget i?86-*-*] | |
e72eba85 L |
2513 | || [istarget x86_64-*-*] } { |
2514 | if { [check_no_compiler_messages vect_double assembly { | |
2515 | #ifdef __tune_atom__ | |
2516 | # error No double vectorizer support. | |
2517 | #endif | |
2518 | }] } { | |
2519 | set et_vect_double_saved 1 | |
2520 | } else { | |
2521 | set et_vect_double_saved 0 | |
2522 | } | |
2523 | } elseif { [istarget spu-*-*] } { | |
07d05ffd JJ |
2524 | set et_vect_double_saved 1 |
2525 | } | |
2526 | } | |
2527 | ||
2528 | verbose "check_effective_target_vect_double: returning $et_vect_double_saved" 2 | |
2529 | return $et_vect_double_saved | |
2530 | } | |
2531 | ||
5d593372 IR |
2532 | # Return 1 if the target supports hardware vectors of long long, 0 otherwise. |
2533 | # | |
2534 | # This won't change for different subtargets so cache the result. | |
2535 | ||
2536 | proc check_effective_target_vect_long_long { } { | |
2537 | global et_vect_long_long_saved | |
2538 | ||
2539 | if [info exists et_vect_long_long_saved] { | |
2540 | verbose "check_effective_target_vect_long_long: using cached result" 2 | |
2541 | } else { | |
2542 | set et_vect_long_long_saved 0 | |
2543 | if { [istarget i?86-*-*] | |
d0011a1a | 2544 | || [istarget x86_64-*-*] } { |
5d593372 IR |
2545 | set et_vect_long_long_saved 1 |
2546 | } | |
2547 | } | |
2548 | ||
2549 | verbose "check_effective_target_vect_long_long: returning $et_vect_long_long_saved" 2 | |
2550 | return $et_vect_long_long_saved | |
2551 | } | |
2552 | ||
2553 | ||
eeea13c2 | 2554 | # Return 1 if the target plus current options does not support a vector |
d5dfe0b8 | 2555 | # max instruction on "int", 0 otherwise. |
eeea13c2 JJ |
2556 | # |
2557 | # This won't change for different subtargets so cache the result. | |
2558 | ||
d5dfe0b8 RH |
2559 | proc check_effective_target_vect_no_int_max { } { |
2560 | global et_vect_no_int_max_saved | |
eeea13c2 | 2561 | |
d5dfe0b8 RH |
2562 | if [info exists et_vect_no_int_max_saved] { |
2563 | verbose "check_effective_target_vect_no_int_max: using cached result" 2 | |
eeea13c2 | 2564 | } else { |
d5dfe0b8 | 2565 | set et_vect_no_int_max_saved 0 |
9fb93f89 | 2566 | if { [istarget sparc*-*-*] |
0f6909b9 | 2567 | || [istarget spu-*-*] |
0d108d15 MX |
2568 | || [istarget alpha*-*-*] |
2569 | || ([istarget mips*-*-*] | |
2570 | && [check_effective_target_mips_loongson]) } { | |
d5dfe0b8 | 2571 | set et_vect_no_int_max_saved 1 |
eeea13c2 JJ |
2572 | } |
2573 | } | |
d5dfe0b8 RH |
2574 | verbose "check_effective_target_vect_no_int_max: returning $et_vect_no_int_max_saved" 2 |
2575 | return $et_vect_no_int_max_saved | |
2576 | } | |
2577 | ||
2578 | # Return 1 if the target plus current options does not support a vector | |
2579 | # add instruction on "int", 0 otherwise. | |
2580 | # | |
2581 | # This won't change for different subtargets so cache the result. | |
2582 | ||
2583 | proc check_effective_target_vect_no_int_add { } { | |
2584 | global et_vect_no_int_add_saved | |
2585 | ||
2586 | if [info exists et_vect_no_int_add_saved] { | |
2587 | verbose "check_effective_target_vect_no_int_add: using cached result" 2 | |
2588 | } else { | |
2589 | set et_vect_no_int_add_saved 0 | |
2590 | # Alpha only supports vector add on V8QI and V4HI. | |
2591 | if { [istarget alpha*-*-*] } { | |
2592 | set et_vect_no_int_add_saved 1 | |
2593 | } | |
2594 | } | |
2595 | verbose "check_effective_target_vect_no_int_add: returning $et_vect_no_int_add_saved" 2 | |
2596 | return $et_vect_no_int_add_saved | |
eeea13c2 JJ |
2597 | } |
2598 | ||
2599 | # Return 1 if the target plus current options does not support vector | |
2600 | # bitwise instructions, 0 otherwise. | |
2601 | # | |
2602 | # This won't change for different subtargets so cache the result. | |
2603 | ||
2604 | proc check_effective_target_vect_no_bitwise { } { | |
2605 | global et_vect_no_bitwise_saved | |
2606 | ||
2607 | if [info exists et_vect_no_bitwise_saved] { | |
2608 | verbose "check_effective_target_vect_no_bitwise: using cached result" 2 | |
2609 | } else { | |
2610 | set et_vect_no_bitwise_saved 0 | |
eeea13c2 JJ |
2611 | } |
2612 | verbose "check_effective_target_vect_no_bitwise: returning $et_vect_no_bitwise_saved" 2 | |
2613 | return $et_vect_no_bitwise_saved | |
2614 | } | |
2615 | ||
0fca40f5 IR |
2616 | # Return 1 if the target plus current options supports vector permutation, |
2617 | # 0 otherwise. | |
2618 | # | |
2619 | # This won't change for different subtargets so cache the result. | |
2620 | ||
2621 | proc check_effective_target_vect_perm { } { | |
2622 | global et_vect_perm | |
2623 | ||
2624 | if [info exists et_vect_perm_saved] { | |
2625 | verbose "check_effective_target_vect_perm: using cached result" 2 | |
2626 | } else { | |
2627 | set et_vect_perm_saved 0 | |
2628 | if { [istarget powerpc*-*-*] | |
18ba3ce7 | 2629 | || [istarget spu-*-*] |
5e979df3 | 2630 | || [istarget i?86-*-*] |
18ba3ce7 | 2631 | || [istarget x86_64-*-*] } { |
0fca40f5 IR |
2632 | set et_vect_perm_saved 1 |
2633 | } | |
2634 | } | |
2635 | verbose "check_effective_target_vect_perm: returning $et_vect_perm_saved" 2 | |
2636 | return $et_vect_perm_saved | |
2637 | } | |
2638 | ||
18ba3ce7 MM |
2639 | # Return 1 if the target plus current options supports vector permutation |
2640 | # on byte-sized elements, 0 otherwise. | |
2641 | # | |
2642 | # This won't change for different subtargets so cache the result. | |
2643 | ||
2644 | proc check_effective_target_vect_perm_byte { } { | |
2645 | global et_vect_perm_byte | |
2646 | ||
2647 | if [info exists et_vect_perm_byte_saved] { | |
2648 | verbose "check_effective_target_vect_perm_byte: using cached result" 2 | |
2649 | } else { | |
2650 | set et_vect_perm_byte_saved 0 | |
2651 | if { [istarget powerpc*-*-*] | |
2652 | || [istarget spu-*-*] } { | |
2653 | set et_vect_perm_byte_saved 1 | |
2654 | } | |
2655 | } | |
2656 | verbose "check_effective_target_vect_perm_byte: returning $et_vect_perm_byte_saved" 2 | |
2657 | return $et_vect_perm_byte_saved | |
2658 | } | |
2659 | ||
2660 | # Return 1 if the target plus current options supports vector permutation | |
2661 | # on short-sized elements, 0 otherwise. | |
2662 | # | |
2663 | # This won't change for different subtargets so cache the result. | |
2664 | ||
2665 | proc check_effective_target_vect_perm_short { } { | |
2666 | global et_vect_perm_short | |
2667 | ||
2668 | if [info exists et_vect_perm_short_saved] { | |
2669 | verbose "check_effective_target_vect_perm_short: using cached result" 2 | |
2670 | } else { | |
2671 | set et_vect_perm_short_saved 0 | |
2672 | if { [istarget powerpc*-*-*] | |
2673 | || [istarget spu-*-*] } { | |
2674 | set et_vect_perm_short_saved 1 | |
2675 | } | |
2676 | } | |
2677 | verbose "check_effective_target_vect_perm_short: returning $et_vect_perm_short_saved" 2 | |
2678 | return $et_vect_perm_short_saved | |
2679 | } | |
2680 | ||
b5aeb3bb IR |
2681 | # Return 1 if the target plus current options supports a vector |
2682 | # widening summation of *short* args into *int* result, 0 otherwise. | |
2683 | # | |
2684 | # This won't change for different subtargets so cache the result. | |
2685 | ||
2686 | proc check_effective_target_vect_widen_sum_hi_to_si_pattern { } { | |
2687 | global et_vect_widen_sum_hi_to_si_pattern | |
2688 | ||
2689 | if [info exists et_vect_widen_sum_hi_to_si_pattern_saved] { | |
2690 | verbose "check_effective_target_vect_widen_sum_hi_to_si_pattern: using cached result" 2 | |
2691 | } else { | |
2692 | set et_vect_widen_sum_hi_to_si_pattern_saved 0 | |
604e3ff3 RH |
2693 | if { [istarget powerpc*-*-*] |
2694 | || [istarget ia64-*-*] } { | |
b5aeb3bb IR |
2695 | set et_vect_widen_sum_hi_to_si_pattern_saved 1 |
2696 | } | |
2697 | } | |
2698 | verbose "check_effective_target_vect_widen_sum_hi_to_si_pattern: returning $et_vect_widen_sum_hi_to_si_pattern_saved" 2 | |
2699 | return $et_vect_widen_sum_hi_to_si_pattern_saved | |
2700 | } | |
0fca40f5 | 2701 | |
4035f245 VK |
2702 | # Return 1 if the target plus current options supports a vector |
2703 | # widening summation of *short* args into *int* result, 0 otherwise. | |
89d67cca DN |
2704 | # A target can also support this widening summation if it can support |
2705 | # promotion (unpacking) from shorts to ints. | |
4035f245 VK |
2706 | # |
2707 | # This won't change for different subtargets so cache the result. | |
2708 | ||
2709 | proc check_effective_target_vect_widen_sum_hi_to_si { } { | |
2710 | global et_vect_widen_sum_hi_to_si | |
89d67cca | 2711 | |
4035f245 VK |
2712 | if [info exists et_vect_widen_sum_hi_to_si_saved] { |
2713 | verbose "check_effective_target_vect_widen_sum_hi_to_si: using cached result" 2 | |
2714 | } else { | |
89d67cca | 2715 | set et_vect_widen_sum_hi_to_si_saved [check_effective_target_vect_unpack] |
01c104ef DN |
2716 | if { [istarget powerpc*-*-*] |
2717 | || [istarget ia64-*-*] } { | |
4035f245 VK |
2718 | set et_vect_widen_sum_hi_to_si_saved 1 |
2719 | } | |
2720 | } | |
2721 | verbose "check_effective_target_vect_widen_sum_hi_to_si: returning $et_vect_widen_sum_hi_to_si_saved" 2 | |
2722 | return $et_vect_widen_sum_hi_to_si_saved | |
2723 | } | |
2724 | ||
2725 | # Return 1 if the target plus current options supports a vector | |
2726 | # widening summation of *char* args into *short* result, 0 otherwise. | |
89d67cca DN |
2727 | # A target can also support this widening summation if it can support |
2728 | # promotion (unpacking) from chars to shorts. | |
4035f245 VK |
2729 | # |
2730 | # This won't change for different subtargets so cache the result. | |
2731 | ||
2732 | proc check_effective_target_vect_widen_sum_qi_to_hi { } { | |
2733 | global et_vect_widen_sum_qi_to_hi | |
89d67cca | 2734 | |
4035f245 VK |
2735 | if [info exists et_vect_widen_sum_qi_to_hi_saved] { |
2736 | verbose "check_effective_target_vect_widen_sum_qi_to_hi: using cached result" 2 | |
2737 | } else { | |
2738 | set et_vect_widen_sum_qi_to_hi_saved 0 | |
01c104ef DN |
2739 | if { [check_effective_target_vect_unpack] |
2740 | || [istarget ia64-*-*] } { | |
4035f245 | 2741 | set et_vect_widen_sum_qi_to_hi_saved 1 |
89d67cca | 2742 | } |
4035f245 VK |
2743 | } |
2744 | verbose "check_effective_target_vect_widen_sum_qi_to_hi: returning $et_vect_widen_sum_qi_to_hi_saved" 2 | |
2745 | return $et_vect_widen_sum_qi_to_hi_saved | |
2746 | } | |
2747 | ||
2748 | # Return 1 if the target plus current options supports a vector | |
2749 | # widening summation of *char* args into *int* result, 0 otherwise. | |
2750 | # | |
2751 | # This won't change for different subtargets so cache the result. | |
2752 | ||
2753 | proc check_effective_target_vect_widen_sum_qi_to_si { } { | |
2754 | global et_vect_widen_sum_qi_to_si | |
89d67cca | 2755 | |
4035f245 VK |
2756 | if [info exists et_vect_widen_sum_qi_to_si_saved] { |
2757 | verbose "check_effective_target_vect_widen_sum_qi_to_si: using cached result" 2 | |
2758 | } else { | |
2759 | set et_vect_widen_sum_qi_to_si_saved 0 | |
2760 | if { [istarget powerpc*-*-*] } { | |
2761 | set et_vect_widen_sum_qi_to_si_saved 1 | |
2762 | } | |
2763 | } | |
2764 | verbose "check_effective_target_vect_widen_sum_qi_to_si: returning $et_vect_widen_sum_qi_to_si_saved" 2 | |
2765 | return $et_vect_widen_sum_qi_to_si_saved | |
2766 | } | |
2767 | ||
20f06221 | 2768 | # Return 1 if the target plus current options supports a vector |
89d67cca DN |
2769 | # widening multiplication of *char* args into *short* result, 0 otherwise. |
2770 | # A target can also support this widening multplication if it can support | |
2771 | # promotion (unpacking) from chars to shorts, and vect_short_mult (non-widening | |
2772 | # multiplication of shorts). | |
20f06221 DN |
2773 | # |
2774 | # This won't change for different subtargets so cache the result. | |
89d67cca DN |
2775 | |
2776 | ||
2777 | proc check_effective_target_vect_widen_mult_qi_to_hi { } { | |
2778 | global et_vect_widen_mult_qi_to_hi | |
2779 | ||
2780 | if [info exists et_vect_widen_mult_qi_to_hi_saved] { | |
2781 | verbose "check_effective_target_vect_widen_mult_qi_to_hi: using cached result" 2 | |
20f06221 | 2782 | } else { |
89d67cca DN |
2783 | if { [check_effective_target_vect_unpack] |
2784 | && [check_effective_target_vect_short_mult] } { | |
2785 | set et_vect_widen_mult_qi_to_hi_saved 1 | |
2786 | } else { | |
2787 | set et_vect_widen_mult_qi_to_hi_saved 0 | |
2788 | } | |
383d9c83 IR |
2789 | if { [istarget powerpc*-*-*] |
2790 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } { | |
89d67cca | 2791 | set et_vect_widen_mult_qi_to_hi_saved 1 |
20f06221 DN |
2792 | } |
2793 | } | |
89d67cca DN |
2794 | verbose "check_effective_target_vect_widen_mult_qi_to_hi: returning $et_vect_widen_mult_qi_to_hi_saved" 2 |
2795 | return $et_vect_widen_mult_qi_to_hi_saved | |
2796 | } | |
2797 | ||
2798 | # Return 1 if the target plus current options supports a vector | |
2799 | # widening multiplication of *short* args into *int* result, 0 otherwise. | |
2800 | # A target can also support this widening multplication if it can support | |
2801 | # promotion (unpacking) from shorts to ints, and vect_int_mult (non-widening | |
2802 | # multiplication of ints). | |
2803 | # | |
2804 | # This won't change for different subtargets so cache the result. | |
2805 | ||
2806 | ||
2807 | proc check_effective_target_vect_widen_mult_hi_to_si { } { | |
2808 | global et_vect_widen_mult_hi_to_si | |
2809 | ||
2810 | if [info exists et_vect_widen_mult_hi_to_si_saved] { | |
2811 | verbose "check_effective_target_vect_widen_mult_hi_to_si: using cached result" 2 | |
2812 | } else { | |
2813 | if { [check_effective_target_vect_unpack] | |
2814 | && [check_effective_target_vect_int_mult] } { | |
2815 | set et_vect_widen_mult_hi_to_si_saved 1 | |
2816 | } else { | |
2817 | set et_vect_widen_mult_hi_to_si_saved 0 | |
2818 | } | |
0e9dac9e | 2819 | if { [istarget powerpc*-*-*] |
c882a2c2 | 2820 | || [istarget spu-*-*] |
604e3ff3 | 2821 | || [istarget ia64-*-*] |
0e9dac9e | 2822 | || [istarget i?86-*-*] |
383d9c83 IR |
2823 | || [istarget x86_64-*-*] |
2824 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } { | |
89d67cca DN |
2825 | set et_vect_widen_mult_hi_to_si_saved 1 |
2826 | } | |
2827 | } | |
2828 | verbose "check_effective_target_vect_widen_mult_hi_to_si: returning $et_vect_widen_mult_hi_to_si_saved" 2 | |
2829 | return $et_vect_widen_mult_hi_to_si_saved | |
20f06221 DN |
2830 | } |
2831 | ||
383d9c83 IR |
2832 | # Return 1 if the target plus current options supports a vector |
2833 | # widening multiplication of *char* args into *short* result, 0 otherwise. | |
2834 | # | |
2835 | # This won't change for different subtargets so cache the result. | |
2836 | ||
2837 | proc check_effective_target_vect_widen_mult_qi_to_hi_pattern { } { | |
2838 | global et_vect_widen_mult_qi_to_hi_pattern | |
2839 | ||
2840 | if [info exists et_vect_widen_mult_qi_to_hi_pattern_saved] { | |
2841 | verbose "check_effective_target_vect_widen_mult_qi_to_hi_pattern: using cached result" 2 | |
2842 | } else { | |
2843 | set et_vect_widen_mult_qi_to_hi_pattern_saved 0 | |
2844 | if { [istarget powerpc*-*-*] | |
2845 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } { | |
2846 | set et_vect_widen_mult_qi_to_hi_pattern_saved 1 | |
2847 | } | |
2848 | } | |
2849 | verbose "check_effective_target_vect_widen_mult_qi_to_hi_pattern: returning $et_vect_widen_mult_qi_to_hi_pattern_saved" 2 | |
2850 | return $et_vect_widen_mult_qi_to_hi_pattern_saved | |
2851 | } | |
2852 | ||
2853 | # Return 1 if the target plus current options supports a vector | |
2854 | # widening multiplication of *short* args into *int* result, 0 otherwise. | |
2855 | # | |
2856 | # This won't change for different subtargets so cache the result. | |
2857 | ||
2858 | proc check_effective_target_vect_widen_mult_hi_to_si_pattern { } { | |
2859 | global et_vect_widen_mult_hi_to_si_pattern | |
2860 | ||
2861 | if [info exists et_vect_widen_mult_hi_to_si_pattern_saved] { | |
2862 | verbose "check_effective_target_vect_widen_mult_hi_to_si_pattern: using cached result" 2 | |
2863 | } else { | |
2864 | set et_vect_widen_mult_hi_to_si_pattern_saved 0 | |
2865 | if { [istarget powerpc*-*-*] | |
2866 | || [istarget spu-*-*] | |
2867 | || [istarget ia64-*-*] | |
2868 | || [istarget i?86-*-*] | |
2869 | || [istarget x86_64-*-*] | |
2870 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } { | |
2871 | set et_vect_widen_mult_hi_to_si_pattern_saved 1 | |
2872 | } | |
2873 | } | |
2874 | verbose "check_effective_target_vect_widen_mult_hi_to_si_pattern: returning $et_vect_widen_mult_hi_to_si_pattern_saved" 2 | |
2875 | return $et_vect_widen_mult_hi_to_si_pattern_saved | |
2876 | } | |
2877 | ||
20f06221 DN |
2878 | # Return 1 if the target plus current options supports a vector |
2879 | # dot-product of signed chars, 0 otherwise. | |
2880 | # | |
2881 | # This won't change for different subtargets so cache the result. | |
2882 | ||
2883 | proc check_effective_target_vect_sdot_qi { } { | |
2884 | global et_vect_sdot_qi | |
2885 | ||
2886 | if [info exists et_vect_sdot_qi_saved] { | |
2887 | verbose "check_effective_target_vect_sdot_qi: using cached result" 2 | |
2888 | } else { | |
2889 | set et_vect_sdot_qi_saved 0 | |
604e3ff3 RH |
2890 | if { [istarget ia64-*-*] } { |
2891 | set et_vect_udot_qi_saved 1 | |
2892 | } | |
20f06221 DN |
2893 | } |
2894 | verbose "check_effective_target_vect_sdot_qi: returning $et_vect_sdot_qi_saved" 2 | |
2895 | return $et_vect_sdot_qi_saved | |
2896 | } | |
2897 | ||
2898 | # Return 1 if the target plus current options supports a vector | |
2899 | # dot-product of unsigned chars, 0 otherwise. | |
2900 | # | |
2901 | # This won't change for different subtargets so cache the result. | |
2902 | ||
2903 | proc check_effective_target_vect_udot_qi { } { | |
2904 | global et_vect_udot_qi | |
2905 | ||
2906 | if [info exists et_vect_udot_qi_saved] { | |
2907 | verbose "check_effective_target_vect_udot_qi: using cached result" 2 | |
2908 | } else { | |
2909 | set et_vect_udot_qi_saved 0 | |
604e3ff3 RH |
2910 | if { [istarget powerpc*-*-*] |
2911 | || [istarget ia64-*-*] } { | |
20f06221 DN |
2912 | set et_vect_udot_qi_saved 1 |
2913 | } | |
2914 | } | |
2915 | verbose "check_effective_target_vect_udot_qi: returning $et_vect_udot_qi_saved" 2 | |
2916 | return $et_vect_udot_qi_saved | |
2917 | } | |
2918 | ||
2919 | # Return 1 if the target plus current options supports a vector | |
2920 | # dot-product of signed shorts, 0 otherwise. | |
2921 | # | |
2922 | # This won't change for different subtargets so cache the result. | |
2923 | ||
2924 | proc check_effective_target_vect_sdot_hi { } { | |
2925 | global et_vect_sdot_hi | |
2926 | ||
2927 | if [info exists et_vect_sdot_hi_saved] { | |
2928 | verbose "check_effective_target_vect_sdot_hi: using cached result" 2 | |
2929 | } else { | |
2930 | set et_vect_sdot_hi_saved 0 | |
e2e95f45 | 2931 | if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) |
604e3ff3 | 2932 | || [istarget ia64-*-*] |
20f06221 | 2933 | || [istarget i?86-*-*] |
89d67cca | 2934 | || [istarget x86_64-*-*] } { |
20f06221 DN |
2935 | set et_vect_sdot_hi_saved 1 |
2936 | } | |
2937 | } | |
2938 | verbose "check_effective_target_vect_sdot_hi: returning $et_vect_sdot_hi_saved" 2 | |
2939 | return $et_vect_sdot_hi_saved | |
2940 | } | |
2941 | ||
2942 | # Return 1 if the target plus current options supports a vector | |
2943 | # dot-product of unsigned shorts, 0 otherwise. | |
2944 | # | |
2945 | # This won't change for different subtargets so cache the result. | |
2946 | ||
2947 | proc check_effective_target_vect_udot_hi { } { | |
2948 | global et_vect_udot_hi | |
2949 | ||
2950 | if [info exists et_vect_udot_hi_saved] { | |
2951 | verbose "check_effective_target_vect_udot_hi: using cached result" 2 | |
2952 | } else { | |
2953 | set et_vect_udot_hi_saved 0 | |
e2e95f45 | 2954 | if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) } { |
20f06221 DN |
2955 | set et_vect_udot_hi_saved 1 |
2956 | } | |
2957 | } | |
2958 | verbose "check_effective_target_vect_udot_hi: returning $et_vect_udot_hi_saved" 2 | |
2959 | return $et_vect_udot_hi_saved | |
2960 | } | |
2961 | ||
2962 | ||
89d67cca DN |
2963 | # Return 1 if the target plus current options supports a vector |
2964 | # demotion (packing) of shorts (to chars) and ints (to shorts) | |
2965 | # using modulo arithmetic, 0 otherwise. | |
2966 | # | |
2967 | # This won't change for different subtargets so cache the result. | |
2968 | ||
8b3cc882 UB |
2969 | proc check_effective_target_vect_pack_trunc { } { |
2970 | global et_vect_pack_trunc | |
89d67cca | 2971 | |
8b3cc882 UB |
2972 | if [info exists et_vect_pack_trunc_saved] { |
2973 | verbose "check_effective_target_vect_pack_trunc: using cached result" 2 | |
89d67cca | 2974 | } else { |
8b3cc882 | 2975 | set et_vect_pack_trunc_saved 0 |
e2e95f45 | 2976 | if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) |
89d67cca | 2977 | || [istarget i?86-*-*] |
8ff27c24 | 2978 | || [istarget x86_64-*-*] |
0f38f229 | 2979 | || [istarget spu-*-*] |
0094f21b JB |
2980 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon] |
2981 | && [check_effective_target_arm_little_endian]) } { | |
8b3cc882 | 2982 | set et_vect_pack_trunc_saved 1 |
89d67cca DN |
2983 | } |
2984 | } | |
8b3cc882 UB |
2985 | verbose "check_effective_target_vect_pack_trunc: returning $et_vect_pack_trunc_saved" 2 |
2986 | return $et_vect_pack_trunc_saved | |
89d67cca DN |
2987 | } |
2988 | ||
2989 | # Return 1 if the target plus current options supports a vector | |
2990 | # promotion (unpacking) of chars (to shorts) and shorts (to ints), 0 otherwise. | |
2991 | # | |
2992 | # This won't change for different subtargets so cache the result. | |
2993 | ||
2994 | proc check_effective_target_vect_unpack { } { | |
2995 | global et_vect_unpack | |
2996 | ||
2997 | if [info exists et_vect_unpack_saved] { | |
2998 | verbose "check_effective_target_vect_unpack: using cached result" 2 | |
2999 | } else { | |
3000 | set et_vect_unpack_saved 0 | |
e2e95f45 | 3001 | if { ([istarget powerpc*-*-*] && ![istarget powerpc-*paired*]) |
89d67cca | 3002 | || [istarget i?86-*-*] |
76a893cf | 3003 | || [istarget x86_64-*-*] |
46b57af1 | 3004 | || [istarget spu-*-*] |
604e3ff3 | 3005 | || [istarget ia64-*-*] |
0094f21b JB |
3006 | || ([istarget arm*-*-*] && [check_effective_target_arm_neon] |
3007 | && [check_effective_target_arm_little_endian]) } { | |
89d67cca DN |
3008 | set et_vect_unpack_saved 1 |
3009 | } | |
3010 | } | |
3011 | verbose "check_effective_target_vect_unpack: returning $et_vect_unpack_saved" 2 | |
3012 | return $et_vect_unpack_saved | |
3013 | } | |
3014 | ||
a96681aa DN |
3015 | # Return 1 if the target plus current options does not guarantee |
3016 | # that its STACK_BOUNDARY is >= the reguired vector alignment. | |
3017 | # | |
3018 | # This won't change for different subtargets so cache the result. | |
3019 | ||
3020 | proc check_effective_target_unaligned_stack { } { | |
3021 | global et_unaligned_stack_saved | |
3022 | ||
3023 | if [info exists et_unaligned_stack_saved] { | |
3024 | verbose "check_effective_target_unaligned_stack: using cached result" 2 | |
3025 | } else { | |
3026 | set et_unaligned_stack_saved 0 | |
a96681aa DN |
3027 | } |
3028 | verbose "check_effective_target_unaligned_stack: returning $et_unaligned_stack_saved" 2 | |
3029 | return $et_unaligned_stack_saved | |
3030 | } | |
3031 | ||
eeea13c2 JJ |
3032 | # Return 1 if the target plus current options does not support a vector |
3033 | # alignment mechanism, 0 otherwise. | |
3034 | # | |
3035 | # This won't change for different subtargets so cache the result. | |
3036 | ||
3037 | proc check_effective_target_vect_no_align { } { | |
3038 | global et_vect_no_align_saved | |
3039 | ||
3040 | if [info exists et_vect_no_align_saved] { | |
3041 | verbose "check_effective_target_vect_no_align: using cached result" 2 | |
3042 | } else { | |
3043 | set et_vect_no_align_saved 0 | |
3e8aba34 | 3044 | if { [istarget mipsisa64*-*-*] |
f61134e8 | 3045 | || [istarget sparc*-*-*] |
b61b26e4 | 3046 | || [istarget ia64-*-*] |
c452684d | 3047 | || [check_effective_target_arm_vect_no_misalign] |
0d108d15 MX |
3048 | || ([istarget mips*-*-*] |
3049 | && [check_effective_target_mips_loongson]) } { | |
eeea13c2 JJ |
3050 | set et_vect_no_align_saved 1 |
3051 | } | |
3052 | } | |
3053 | verbose "check_effective_target_vect_no_align: returning $et_vect_no_align_saved" 2 | |
3054 | return $et_vect_no_align_saved | |
3055 | } | |
3056 | ||
8f439681 RE |
3057 | # Return 1 if the target supports a vector misalign access, 0 otherwise. |
3058 | # | |
3059 | # This won't change for different subtargets so cache the result. | |
3060 | ||
3061 | proc check_effective_target_vect_hw_misalign { } { | |
3062 | global et_vect_hw_misalign_saved | |
3063 | ||
3064 | if [info exists et_vect_hw_misalign_saved] { | |
3065 | verbose "check_effective_target_vect_hw_misalign: using cached result" 2 | |
3066 | } else { | |
3067 | set et_vect_hw_misalign_saved 0 | |
06ddd871 RE |
3068 | if { ([istarget x86_64-*-*] |
3069 | || [istarget i?86-*-*]) } { | |
8f439681 RE |
3070 | set et_vect_hw_misalign_saved 1 |
3071 | } | |
3072 | } | |
3073 | verbose "check_effective_target_vect_hw_misalign: returning $et_vect_hw_misalign_saved" 2 | |
3074 | return $et_vect_hw_misalign_saved | |
3075 | } | |
3076 | ||
3077 | ||
e3b715a0 UB |
3078 | # Return 1 if arrays are aligned to the vector alignment |
3079 | # boundary, 0 otherwise. | |
5de7f07c UB |
3080 | # |
3081 | # This won't change for different subtargets so cache the result. | |
3082 | ||
3083 | proc check_effective_target_vect_aligned_arrays { } { | |
3084 | global et_vect_aligned_arrays | |
3085 | ||
3086 | if [info exists et_vect_aligned_arrays_saved] { | |
3087 | verbose "check_effective_target_vect_aligned_arrays: using cached result" 2 | |
3088 | } else { | |
3089 | set et_vect_aligned_arrays_saved 0 | |
8d0e5316 IR |
3090 | if { (([istarget x86_64-*-*] |
3091 | || [istarget i?86-*-*]) && [is-effective-target lp64]) | |
3092 | || [istarget spu-*-*] } { | |
5de7f07c UB |
3093 | set et_vect_aligned_arrays_saved 1 |
3094 | } | |
3095 | } | |
3096 | verbose "check_effective_target_vect_aligned_arrays: returning $et_vect_aligned_arrays_saved" 2 | |
3097 | return $et_vect_aligned_arrays_saved | |
3098 | } | |
3099 | ||
8d0e5316 IR |
3100 | # Return 1 if types of size 32 bit or less are naturally aligned |
3101 | # (aligned to their type-size), 0 otherwise. | |
3102 | # | |
3103 | # This won't change for different subtargets so cache the result. | |
3104 | ||
3105 | proc check_effective_target_natural_alignment_32 { } { | |
3106 | global et_natural_alignment_32 | |
3107 | ||
3108 | if [info exists et_natural_alignment_32_saved] { | |
3109 | verbose "check_effective_target_natural_alignment_32: using cached result" 2 | |
3110 | } else { | |
3111 | # FIXME: 32bit powerpc: guaranteed only if MASK_ALIGN_NATURAL/POWER. | |
3112 | set et_natural_alignment_32_saved 1 | |
3113 | if { ([istarget *-*-darwin*] && [is-effective-target lp64]) } { | |
3114 | set et_natural_alignment_32_saved 0 | |
3115 | } | |
3116 | } | |
3117 | verbose "check_effective_target_natural_alignment_32: returning $et_natural_alignment_32_saved" 2 | |
3118 | return $et_natural_alignment_32_saved | |
3119 | } | |
3120 | ||
3121 | # Return 1 if types of size 64 bit or less are naturally aligned (aligned to their | |
3122 | # type-size), 0 otherwise. | |
99c9c69a DN |
3123 | # |
3124 | # This won't change for different subtargets so cache the result. | |
3125 | ||
8d0e5316 IR |
3126 | proc check_effective_target_natural_alignment_64 { } { |
3127 | global et_natural_alignment_64 | |
99c9c69a | 3128 | |
8d0e5316 IR |
3129 | if [info exists et_natural_alignment_64_saved] { |
3130 | verbose "check_effective_target_natural_alignment_64: using cached result" 2 | |
99c9c69a | 3131 | } else { |
8d0e5316 IR |
3132 | set et_natural_alignment_64_saved 0 |
3133 | if { ([is-effective-target lp64] && ![istarget *-*-darwin*]) | |
3134 | || [istarget spu-*-*] } { | |
3135 | set et_natural_alignment_64_saved 1 | |
99c9c69a DN |
3136 | } |
3137 | } | |
8d0e5316 IR |
3138 | verbose "check_effective_target_natural_alignment_64: returning $et_natural_alignment_64_saved" 2 |
3139 | return $et_natural_alignment_64_saved | |
99c9c69a DN |
3140 | } |
3141 | ||
8d0e5316 | 3142 | # Return 1 if vector alignment (for types of size 32 bit or less) is reachable, 0 otherwise. |
99c9c69a DN |
3143 | # |
3144 | # This won't change for different subtargets so cache the result. | |
3145 | ||
3146 | proc check_effective_target_vector_alignment_reachable { } { | |
3147 | global et_vector_alignment_reachable | |
3148 | ||
3149 | if [info exists et_vector_alignment_reachable_saved] { | |
3150 | verbose "check_effective_target_vector_alignment_reachable: using cached result" 2 | |
3151 | } else { | |
3152 | if { [check_effective_target_vect_aligned_arrays] | |
8d0e5316 | 3153 | || [check_effective_target_natural_alignment_32] } { |
99c9c69a DN |
3154 | set et_vector_alignment_reachable_saved 1 |
3155 | } else { | |
3156 | set et_vector_alignment_reachable_saved 0 | |
3157 | } | |
3158 | } | |
3159 | verbose "check_effective_target_vector_alignment_reachable: returning $et_vector_alignment_reachable_saved" 2 | |
3160 | return $et_vector_alignment_reachable_saved | |
3161 | } | |
3162 | ||
8d0e5316 | 3163 | # Return 1 if vector alignment for 64 bit is reachable, 0 otherwise. |
b11040a8 DN |
3164 | # |
3165 | # This won't change for different subtargets so cache the result. | |
3166 | ||
8d0e5316 IR |
3167 | proc check_effective_target_vector_alignment_reachable_for_64bit { } { |
3168 | global et_vector_alignment_reachable_for_64bit | |
b11040a8 | 3169 | |
8d0e5316 IR |
3170 | if [info exists et_vector_alignment_reachable_for_64bit_saved] { |
3171 | verbose "check_effective_target_vector_alignment_reachable_for_64bit: using cached result" 2 | |
b11040a8 | 3172 | } else { |
8d0e5316 IR |
3173 | if { [check_effective_target_vect_aligned_arrays] |
3174 | || [check_effective_target_natural_alignment_64] } { | |
3175 | set et_vector_alignment_reachable_for_64bit_saved 1 | |
b11040a8 | 3176 | } else { |
8d0e5316 | 3177 | set et_vector_alignment_reachable_for_64bit_saved 0 |
b11040a8 DN |
3178 | } |
3179 | } | |
8d0e5316 IR |
3180 | verbose "check_effective_target_vector_alignment_reachable_for_64bit: returning $et_vector_alignment_reachable_for_64bit_saved" 2 |
3181 | return $et_vector_alignment_reachable_for_64bit_saved | |
b11040a8 DN |
3182 | } |
3183 | ||
c452684d JB |
3184 | # Return 1 if the target only requires element alignment for vector accesses |
3185 | ||
3186 | proc check_effective_target_vect_element_align { } { | |
3187 | global et_vect_element_align | |
3188 | ||
3189 | if [info exists et_vect_element_align] { | |
3190 | verbose "check_effective_target_vect_element_align: using cached result" 2 | |
3191 | } else { | |
3192 | set et_vect_element_align 0 | |
0094f21b JB |
3193 | if { ([istarget arm*-*-*] |
3194 | && ![check_effective_target_arm_vect_no_misalign]) | |
c452684d JB |
3195 | || [check_effective_target_vect_hw_misalign] } { |
3196 | set et_vect_element_align 1 | |
3197 | } | |
3198 | } | |
3199 | ||
3200 | verbose "check_effective_target_vect_element_align: returning $et_vect_element_align" 2 | |
3201 | return $et_vect_element_align | |
3202 | } | |
3203 | ||
b52485c6 DP |
3204 | # Return 1 if the target supports vector conditional operations, 0 otherwise. |
3205 | ||
3206 | proc check_effective_target_vect_condition { } { | |
3207 | global et_vect_cond_saved | |
3208 | ||
41a182c6 | 3209 | if [info exists et_vect_cond_saved] { |
b52485c6 DP |
3210 | verbose "check_effective_target_vect_cond: using cached result" 2 |
3211 | } else { | |
3212 | set et_vect_cond_saved 0 | |
ae46a07a RH |
3213 | if { [istarget powerpc*-*-*] |
3214 | || [istarget ia64-*-*] | |
3215 | || [istarget i?86-*-*] | |
39aeae85 | 3216 | || [istarget spu-*-*] |
ae46a07a | 3217 | || [istarget x86_64-*-*] } { |
b52485c6 DP |
3218 | set et_vect_cond_saved 1 |
3219 | } | |
3220 | } | |
3221 | ||
3222 | verbose "check_effective_target_vect_cond: returning $et_vect_cond_saved" 2 | |
3223 | return $et_vect_cond_saved | |
3224 | } | |
3225 | ||
4035f245 VK |
3226 | # Return 1 if the target supports vector char multiplication, 0 otherwise. |
3227 | ||
3228 | proc check_effective_target_vect_char_mult { } { | |
3229 | global et_vect_char_mult_saved | |
3230 | ||
3231 | if [info exists et_vect_char_mult_saved] { | |
3232 | verbose "check_effective_target_vect_char_mult: using cached result" 2 | |
3233 | } else { | |
3234 | set et_vect_char_mult_saved 0 | |
3235 | if { [istarget ia64-*-*] | |
3236 | || [istarget i?86-*-*] | |
3237 | || [istarget x86_64-*-*] } { | |
3238 | set et_vect_char_mult_saved 1 | |
3239 | } | |
3240 | } | |
3241 | ||
3242 | verbose "check_effective_target_vect_char_mult: returning $et_vect_char_mult_saved" 2 | |
3243 | return $et_vect_char_mult_saved | |
3244 | } | |
3245 | ||
3246 | # Return 1 if the target supports vector short multiplication, 0 otherwise. | |
3247 | ||
3248 | proc check_effective_target_vect_short_mult { } { | |
3249 | global et_vect_short_mult_saved | |
3250 | ||
3251 | if [info exists et_vect_short_mult_saved] { | |
3252 | verbose "check_effective_target_vect_short_mult: using cached result" 2 | |
3253 | } else { | |
3254 | set et_vect_short_mult_saved 0 | |
3255 | if { [istarget ia64-*-*] | |
76a893cf | 3256 | || [istarget spu-*-*] |
4035f245 | 3257 | || [istarget i?86-*-*] |
65a324b4 | 3258 | || [istarget x86_64-*-*] |
0d108d15 MX |
3259 | || [istarget powerpc*-*-*] |
3260 | || [check_effective_target_arm32] | |
3261 | || ([istarget mips*-*-*] | |
3262 | && [check_effective_target_mips_loongson]) } { | |
4035f245 VK |
3263 | set et_vect_short_mult_saved 1 |
3264 | } | |
3265 | } | |
3266 | ||
3267 | verbose "check_effective_target_vect_short_mult: returning $et_vect_short_mult_saved" 2 | |
3268 | return $et_vect_short_mult_saved | |
3269 | } | |
3270 | ||
a45f6936 DP |
3271 | # Return 1 if the target supports vector int multiplication, 0 otherwise. |
3272 | ||
3273 | proc check_effective_target_vect_int_mult { } { | |
3274 | global et_vect_int_mult_saved | |
3275 | ||
f12b785d | 3276 | if [info exists et_vect_int_mult_saved] { |
a45f6936 DP |
3277 | verbose "check_effective_target_vect_int_mult: using cached result" 2 |
3278 | } else { | |
3279 | set et_vect_int_mult_saved 0 | |
e2e95f45 | 3280 | if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) |
e95b59d2 | 3281 | || [istarget spu-*-*] |
2b5bf0e2 | 3282 | || [istarget i?86-*-*] |
b61b26e4 | 3283 | || [istarget x86_64-*-*] |
604e3ff3 | 3284 | || [istarget ia64-*-*] |
b61b26e4 | 3285 | || [check_effective_target_arm32] } { |
a45f6936 DP |
3286 | set et_vect_int_mult_saved 1 |
3287 | } | |
3288 | } | |
3289 | ||
3290 | verbose "check_effective_target_vect_int_mult: returning $et_vect_int_mult_saved" 2 | |
3291 | return $et_vect_int_mult_saved | |
3292 | } | |
b52485c6 | 3293 | |
98b44b0e IR |
3294 | # Return 1 if the target supports vector even/odd elements extraction, 0 otherwise. |
3295 | ||
3296 | proc check_effective_target_vect_extract_even_odd { } { | |
3297 | global et_vect_extract_even_odd_saved | |
3298 | ||
3299 | if [info exists et_vect_extract_even_odd_saved] { | |
3300 | verbose "check_effective_target_vect_extract_even_odd: using cached result" 2 | |
3301 | } else { | |
3302 | set et_vect_extract_even_odd_saved 0 | |
0fac5151 RH |
3303 | if { [istarget powerpc*-*-*] |
3304 | || [istarget i?86-*-*] | |
3305 | || [istarget x86_64-*-*] | |
604e3ff3 | 3306 | || [istarget ia64-*-*] |
8ff27c24 | 3307 | || [istarget spu-*-*] } { |
98b44b0e IR |
3308 | set et_vect_extract_even_odd_saved 1 |
3309 | } | |
3310 | } | |
3311 | ||
3312 | verbose "check_effective_target_vect_extract_even_odd: returning $et_vect_extract_even_odd_saved" 2 | |
3313 | return $et_vect_extract_even_odd_saved | |
3314 | } | |
3315 | ||
3316 | # Return 1 if the target supports vector interleaving, 0 otherwise. | |
3317 | ||
3318 | proc check_effective_target_vect_interleave { } { | |
3319 | global et_vect_interleave_saved | |
3320 | ||
3321 | if [info exists et_vect_interleave_saved] { | |
3322 | verbose "check_effective_target_vect_interleave: using cached result" 2 | |
3323 | } else { | |
3324 | set et_vect_interleave_saved 0 | |
3325 | if { [istarget powerpc*-*-*] | |
3326 | || [istarget i?86-*-*] | |
8ff27c24 | 3327 | || [istarget x86_64-*-*] |
604e3ff3 | 3328 | || [istarget ia64-*-*] |
8ff27c24 | 3329 | || [istarget spu-*-*] } { |
98b44b0e IR |
3330 | set et_vect_interleave_saved 1 |
3331 | } | |
3332 | } | |
3333 | ||
3334 | verbose "check_effective_target_vect_interleave: returning $et_vect_interleave_saved" 2 | |
3335 | return $et_vect_interleave_saved | |
3336 | } | |
3337 | ||
9afa0361 RS |
3338 | foreach N {2 3 4 8} { |
3339 | eval [string map [list N $N] { | |
3340 | # Return 1 if the target supports 2-vector interleaving | |
3341 | proc check_effective_target_vect_stridedN { } { | |
3342 | global et_vect_stridedN_saved | |
3343 | ||
3344 | if [info exists et_vect_stridedN_saved] { | |
3345 | verbose "check_effective_target_vect_stridedN: using cached result" 2 | |
3346 | } else { | |
3347 | set et_vect_stridedN_saved 0 | |
3348 | if { (N & -N) == N | |
3349 | && [check_effective_target_vect_interleave] | |
3350 | && [check_effective_target_vect_extract_even_odd] } { | |
3351 | set et_vect_stridedN_saved 1 | |
3352 | } | |
3353 | if { [istarget arm*-*-*] && N >= 2 && N <= 4 } { | |
3354 | set et_vect_stridedN_saved 1 | |
3355 | } | |
3356 | } | |
805e2059 | 3357 | |
9afa0361 RS |
3358 | verbose "check_effective_target_vect_stridedN: returning $et_vect_stridedN_saved" 2 |
3359 | return $et_vect_stridedN_saved | |
3360 | } | |
3361 | }] | |
805e2059 IR |
3362 | } |
3363 | ||
0be79f24 DN |
3364 | # Return 1 if the target supports section-anchors |
3365 | ||
3366 | proc check_effective_target_section_anchors { } { | |
3367 | global et_section_anchors_saved | |
3368 | ||
3369 | if [info exists et_section_anchors_saved] { | |
3370 | verbose "check_effective_target_section_anchors: using cached result" 2 | |
3371 | } else { | |
3372 | set et_section_anchors_saved 0 | |
65a324b4 | 3373 | if { [istarget powerpc*-*-*] |
cba146eb | 3374 | || [istarget arm*-*-*] } { |
0be79f24 DN |
3375 | set et_section_anchors_saved 1 |
3376 | } | |
3377 | } | |
3378 | ||
3379 | verbose "check_effective_target_section_anchors: returning $et_section_anchors_saved" 2 | |
3380 | return $et_section_anchors_saved | |
3381 | } | |
3382 | ||
f12b785d RH |
3383 | # Return 1 if the target supports atomic operations on "int" and "long". |
3384 | ||
3385 | proc check_effective_target_sync_int_long { } { | |
3386 | global et_sync_int_long_saved | |
3387 | ||
3388 | if [info exists et_sync_int_long_saved] { | |
3389 | verbose "check_effective_target_sync_int_long: using cached result" 2 | |
3390 | } else { | |
3391 | set et_sync_int_long_saved 0 | |
915167f5 GK |
3392 | # This is intentionally powerpc but not rs6000, rs6000 doesn't have the |
3393 | # load-reserved/store-conditional instructions. | |
f12b785d RH |
3394 | if { [istarget ia64-*-*] |
3395 | || [istarget i?86-*-*] | |
3396 | || [istarget x86_64-*-*] | |
915167f5 | 3397 | || [istarget alpha*-*-*] |
17fec01d | 3398 | || [istarget arm*-*-linux-gnueabi] |
9840d30a | 3399 | || [istarget bfin*-*linux*] |
4d053ac1 | 3400 | || [istarget hppa*-*linux*] |
89a590b3 | 3401 | || [istarget s390*-*-*] |
396b535a JJ |
3402 | || [istarget powerpc*-*-*] |
3403 | || [istarget sparc64-*-*] | |
977502ff DD |
3404 | || [istarget sparcv9-*-*] |
3405 | || [istarget mips*-*-*] } { | |
f12b785d RH |
3406 | set et_sync_int_long_saved 1 |
3407 | } | |
3408 | } | |
3409 | ||
3410 | verbose "check_effective_target_sync_int_long: returning $et_sync_int_long_saved" 2 | |
3411 | return $et_sync_int_long_saved | |
3412 | } | |
3413 | ||
bc0f348e GK |
3414 | # Return 1 if the target supports atomic operations on "char" and "short". |
3415 | ||
3416 | proc check_effective_target_sync_char_short { } { | |
3417 | global et_sync_char_short_saved | |
3418 | ||
3419 | if [info exists et_sync_char_short_saved] { | |
3420 | verbose "check_effective_target_sync_char_short: using cached result" 2 | |
3421 | } else { | |
3422 | set et_sync_char_short_saved 0 | |
3423 | # This is intentionally powerpc but not rs6000, rs6000 doesn't have the | |
3424 | # load-reserved/store-conditional instructions. | |
3425 | if { [istarget ia64-*-*] | |
3426 | || [istarget i?86-*-*] | |
3427 | || [istarget x86_64-*-*] | |
38f31687 | 3428 | || [istarget alpha*-*-*] |
17fec01d | 3429 | || [istarget arm*-*-linux-gnueabi] |
4d053ac1 | 3430 | || [istarget hppa*-*linux*] |
3093f076 | 3431 | || [istarget s390*-*-*] |
396b535a JJ |
3432 | || [istarget powerpc*-*-*] |
3433 | || [istarget sparc64-*-*] | |
977502ff DD |
3434 | || [istarget sparcv9-*-*] |
3435 | || [istarget mips*-*-*] } { | |
bc0f348e GK |
3436 | set et_sync_char_short_saved 1 |
3437 | } | |
3438 | } | |
3439 | ||
3440 | verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2 | |
3441 | return $et_sync_char_short_saved | |
3442 | } | |
3443 | ||
7fc564b7 RS |
3444 | # Return 1 if the target uses a ColdFire FPU. |
3445 | ||
3446 | proc check_effective_target_coldfire_fpu { } { | |
3447 | return [check_no_compiler_messages coldfire_fpu assembly { | |
3448 | #ifndef __mcffpu__ | |
3449 | #error FOO | |
3450 | #endif | |
3451 | }] | |
3452 | } | |
3453 | ||
2755c056 RS |
3454 | # Return true if this is a uClibc target. |
3455 | ||
3456 | proc check_effective_target_uclibc {} { | |
3457 | return [check_no_compiler_messages uclibc object { | |
3458 | #include <features.h> | |
3459 | #if !defined (__UCLIBC__) | |
3460 | #error FOO | |
3461 | #endif | |
3462 | }] | |
3463 | } | |
3464 | ||
e6625c44 RS |
3465 | # Return true if this is a uclibc target and if the uclibc feature |
3466 | # described by __$feature__ is not present. | |
3467 | ||
3468 | proc check_missing_uclibc_feature {feature} { | |
7a27dc2f RS |
3469 | return [check_no_compiler_messages $feature object " |
3470 | #include <features.h> | |
3811dfcd | 3471 | #if !defined (__UCLIBC) || defined (__${feature}__) |
7a27dc2f RS |
3472 | #error FOO |
3473 | #endif | |
3474 | "] | |
e6625c44 RS |
3475 | } |
3476 | ||
8371ec74 MM |
3477 | # Return true if this is a Newlib target. |
3478 | ||
3479 | proc check_effective_target_newlib {} { | |
3480 | return [check_no_compiler_messages newlib object { | |
3481 | #include <newlib.h> | |
3482 | }] | |
3483 | } | |
3484 | ||
a5ea7a0b RS |
3485 | # Return 1 if |
3486 | # (a) an error of a few ULP is expected in string to floating-point | |
3487 | # conversion functions; and | |
3488 | # (b) overflow is not always detected correctly by those functions. | |
3489 | ||
3490 | proc check_effective_target_lax_strtofp {} { | |
3491 | # By default, assume that all uClibc targets suffer from this. | |
3492 | return [check_effective_target_uclibc] | |
3493 | } | |
3494 | ||
3495 | # Return 1 if this is a target for which wcsftime is a dummy | |
3496 | # function that always returns 0. | |
3497 | ||
3498 | proc check_effective_target_dummy_wcsftime {} { | |
3499 | # By default, assume that all uClibc targets suffer from this. | |
3500 | return [check_effective_target_uclibc] | |
3501 | } | |
3502 | ||
fc8600f9 MM |
3503 | # Return 1 if constructors with initialization priority arguments are |
3504 | # supposed on this target. | |
3505 | ||
3506 | proc check_effective_target_init_priority {} { | |
fc8600f9 MM |
3507 | return [check_no_compiler_messages init_priority assembly " |
3508 | void f() __attribute__((constructor (1000))); | |
3509 | void f() \{\} | |
3510 | "] | |
3511 | } | |
3512 | ||
b6dc500c JJ |
3513 | # Return 1 if the target matches the effective target 'arg', 0 otherwise. |
3514 | # This can be used with any check_* proc that takes no argument and | |
3515 | # returns only 1 or 0. It could be used with check_* procs that take | |
3516 | # arguments with keywords that pass particular arguments. | |
3517 | ||
3518 | proc is-effective-target { arg } { | |
3519 | set selected 0 | |
68897708 JJ |
3520 | if { [info procs check_effective_target_${arg}] != [list] } { |
3521 | set selected [check_effective_target_${arg}] | |
3522 | } else { | |
3523 | switch $arg { | |
3524 | "vmx_hw" { set selected [check_vmx_hw_available] } | |
92902797 MM |
3525 | "vsx_hw" { set selected [check_vsx_hw_available] } |
3526 | "ppc_recip_hw" { set selected [check_ppc_recip_hw_available] } | |
68897708 JJ |
3527 | "named_sections" { set selected [check_named_sections_available] } |
3528 | "gc_sections" { set selected [check_gc_sections_available] } | |
294f1ce3 | 3529 | "cxa_atexit" { set selected [check_cxa_atexit_available] } |
68897708 JJ |
3530 | default { error "unknown effective target keyword `$arg'" } |
3531 | } | |
b6dc500c JJ |
3532 | } |
3533 | verbose "is-effective-target: $arg $selected" 2 | |
3534 | return $selected | |
3535 | } | |
810838e7 JJ |
3536 | |
3537 | # Return 1 if the argument is an effective-target keyword, 0 otherwise. | |
3538 | ||
3539 | proc is-effective-target-keyword { arg } { | |
3540 | if { [info procs check_effective_target_${arg}] != [list] } { | |
3541 | return 1 | |
3542 | } else { | |
3543 | # These have different names for their check_* procs. | |
3544 | switch $arg { | |
3545 | "vmx_hw" { return 1 } | |
92902797 MM |
3546 | "vsx_hw" { return 1 } |
3547 | "ppc_recip_hw" { return 1 } | |
810838e7 JJ |
3548 | "named_sections" { return 1 } |
3549 | "gc_sections" { return 1 } | |
294f1ce3 | 3550 | "cxa_atexit" { return 1 } |
810838e7 JJ |
3551 | default { return 0 } |
3552 | } | |
3553 | } | |
3554 | } | |
efe5e271 PB |
3555 | |
3556 | # Return 1 if target default to short enums | |
3557 | ||
3558 | proc check_effective_target_short_enums { } { | |
8ce1ac69 RS |
3559 | return [check_no_compiler_messages short_enums assembly { |
3560 | enum foo { bar }; | |
3561 | int s[sizeof (enum foo) == 1 ? 1 : -1]; | |
3562 | }] | |
efe5e271 PB |
3563 | } |
3564 | ||
19450f2b DJ |
3565 | # Return 1 if target supports merging string constants at link time. |
3566 | ||
3567 | proc check_effective_target_string_merging { } { | |
3568 | return [check_no_messages_and_pattern string_merging \ | |
3569 | "rodata\\.str" assembly { | |
3570 | const char *var = "String"; | |
3571 | } {-O2}] | |
3572 | } | |
8f3fc4aa JDA |
3573 | |
3574 | # Return 1 if target has the basic signed and unsigned types in | |
207bf79d JM |
3575 | # <stdint.h>, 0 otherwise. This will be obsolete when GCC ensures a |
3576 | # working <stdint.h> for all targets. | |
8f3fc4aa JDA |
3577 | |
3578 | proc check_effective_target_stdint_types { } { | |
3579 | return [check_no_compiler_messages stdint_types assembly { | |
3580 | #include <stdint.h> | |
3581 | int8_t a; int16_t b; int32_t c; int64_t d; | |
3582 | uint8_t e; uint16_t f; uint32_t g; uint64_t h; | |
3583 | }] | |
3584 | } | |
3920f1fd | 3585 | |
207bf79d JM |
3586 | # Return 1 if target has the basic signed and unsigned types in |
3587 | # <inttypes.h>, 0 otherwise. This is for tests that GCC's notions of | |
3588 | # these types agree with those in the header, as some systems have | |
3589 | # only <inttypes.h>. | |
3590 | ||
3591 | proc check_effective_target_inttypes_types { } { | |
3592 | return [check_no_compiler_messages inttypes_types assembly { | |
3593 | #include <inttypes.h> | |
3594 | int8_t a; int16_t b; int32_t c; int64_t d; | |
3595 | uint8_t e; uint16_t f; uint32_t g; uint64_t h; | |
3596 | }] | |
3597 | } | |
3598 | ||
3920f1fd HPN |
3599 | # Return 1 if programs are intended to be run on a simulator |
3600 | # (i.e. slowly) rather than hardware (i.e. fast). | |
3601 | ||
3602 | proc check_effective_target_simulator { } { | |
3603 | ||
3604 | # All "src/sim" simulators set this one. | |
3605 | if [board_info target exists is_simulator] { | |
3606 | return [board_info target is_simulator] | |
3607 | } | |
3608 | ||
3609 | # The "sid" simulators don't set that one, but at least they set | |
3610 | # this one. | |
3611 | if [board_info target exists slow_simulator] { | |
3612 | return [board_info target slow_simulator] | |
3613 | } | |
3614 | ||
3615 | return 0 | |
3616 | } | |
56fca24a | 3617 | |
c6fee227 | 3618 | # Return 1 if the target is a VxWorks kernel. |
56fca24a RS |
3619 | |
3620 | proc check_effective_target_vxworks_kernel { } { | |
3621 | return [check_no_compiler_messages vxworks_kernel assembly { | |
3622 | #if !defined __vxworks || defined __RTP__ | |
3623 | #error NO | |
3624 | #endif | |
3625 | }] | |
3626 | } | |
e6625c44 | 3627 | |
c6fee227 RS |
3628 | # Return 1 if the target is a VxWorks RTP. |
3629 | ||
3630 | proc check_effective_target_vxworks_rtp { } { | |
3631 | return [check_no_compiler_messages vxworks_rtp assembly { | |
3632 | #if !defined __vxworks || !defined __RTP__ | |
3633 | #error NO | |
3634 | #endif | |
3635 | }] | |
3636 | } | |
3637 | ||
e6625c44 RS |
3638 | # Return 1 if the target is expected to provide wide character support. |
3639 | ||
3640 | proc check_effective_target_wchar { } { | |
3641 | if {[check_missing_uclibc_feature UCLIBC_HAS_WCHAR]} { | |
3642 | return 0 | |
3643 | } | |
3644 | return [check_no_compiler_messages wchar assembly { | |
3645 | #include <wchar.h> | |
3646 | }] | |
3647 | } | |
db9a0df0 | 3648 | |
eb587f4f JM |
3649 | # Return 1 if the target has <pthread.h>. |
3650 | ||
3651 | proc check_effective_target_pthread_h { } { | |
3652 | return [check_no_compiler_messages pthread_h assembly { | |
3653 | #include <pthread.h> | |
3654 | }] | |
3655 | } | |
3656 | ||
e054e17e HPN |
3657 | # Return 1 if the target can truncate a file from a file-descriptor, |
3658 | # as used by libgfortran/io/unix.c:fd_truncate; i.e. ftruncate or | |
3659 | # chsize. We test for a trivially functional truncation; no stubs. | |
3660 | # As libgfortran uses _FILE_OFFSET_BITS 64, we do too; it'll cause a | |
3661 | # different function to be used. | |
3662 | ||
3663 | proc check_effective_target_fd_truncate { } { | |
3664 | set prog { | |
3665 | #define _FILE_OFFSET_BITS 64 | |
3666 | #include <unistd.h> | |
3667 | #include <stdio.h> | |
3668 | #include <stdlib.h> | |
3669 | int main () | |
3670 | { | |
3671 | FILE *f = fopen ("tst.tmp", "wb"); | |
3672 | int fd; | |
3673 | const char t[] = "test writing more than ten characters"; | |
3674 | char s[11]; | |
3675 | fd = fileno (f); | |
3676 | write (fd, t, sizeof (t) - 1); | |
3677 | lseek (fd, 0, 0); | |
3678 | if (ftruncate (fd, 10) != 0) | |
3679 | exit (1); | |
3680 | close (fd); | |
3681 | f = fopen ("tst.tmp", "rb"); | |
3682 | if (fread (s, 1, sizeof (s), f) != 10 || strncmp (s, t, 10) != 0) | |
3683 | exit (1); | |
3684 | exit (0); | |
3685 | } | |
3686 | } | |
3687 | ||
3688 | if { [check_runtime ftruncate $prog] } { | |
3689 | return 1; | |
3690 | } | |
3691 | ||
3692 | regsub "ftruncate" $prog "chsize" prog | |
3693 | return [check_runtime chsize $prog] | |
3694 | } | |
3695 | ||
db9a0df0 RS |
3696 | # Add to FLAGS all the target-specific flags needed to access the c99 runtime. |
3697 | ||
3698 | proc add_options_for_c99_runtime { flags } { | |
3699 | if { [istarget *-*-solaris2*] } { | |
3700 | return "$flags -std=c99" | |
3701 | } | |
67b6839f RO |
3702 | if { [istarget mips-sgi-irix6.5*] } { |
3703 | return "$flags -std=c99" | |
3704 | } | |
db9a0df0 RS |
3705 | if { [istarget powerpc-*-darwin*] } { |
3706 | return "$flags -mmacosx-version-min=10.3" | |
3707 | } | |
3708 | return $flags | |
3709 | } | |
1018b4c3 | 3710 | |
8ceabd25 UB |
3711 | # Add to FLAGS all the target-specific flags needed to enable |
3712 | # full IEEE compliance mode. | |
3713 | ||
3714 | proc add_options_for_ieee { flags } { | |
19073ebc UB |
3715 | if { [istarget alpha*-*-*] |
3716 | || [istarget sh*-*-*] } { | |
8ceabd25 UB |
3717 | return "$flags -mieee" |
3718 | } | |
19073ebc | 3719 | if { [istarget rx-*-*] } { |
7036ee24 NC |
3720 | return "$flags -mnofpu" |
3721 | } | |
8ceabd25 UB |
3722 | return $flags |
3723 | } | |
3724 | ||
fc5e3cd4 KG |
3725 | # Add to FLAGS the flags needed to enable functions to bind locally |
3726 | # when using pic/PIC passes in the testsuite. | |
3727 | ||
3728 | proc add_options_for_bind_pic_locally { flags } { | |
3729 | if {[check_no_compiler_messages using_pic2 assembly { | |
3730 | #if __PIC__ != 2 | |
3731 | #error FOO | |
3732 | #endif | |
3733 | }]} { | |
3734 | return "$flags -fPIE" | |
3735 | } | |
3736 | if {[check_no_compiler_messages using_pic1 assembly { | |
3737 | #if __PIC__ != 1 | |
3738 | #error FOO | |
3739 | #endif | |
3740 | }]} { | |
3741 | return "$flags -fpie" | |
3742 | } | |
3743 | ||
3744 | return $flags | |
3745 | } | |
3746 | ||
c452684d JB |
3747 | # Add to FLAGS the flags needed to enable 128-bit vectors. |
3748 | ||
3749 | proc add_options_for_quad_vectors { flags } { | |
3750 | if [is-effective-target arm_neon_ok] { | |
3751 | return "$flags -mvectorize-with-neon-quad" | |
3752 | } | |
3753 | ||
3754 | return $flags | |
3755 | } | |
3756 | ||
1018b4c3 RS |
3757 | # Return 1 if the target provides a full C99 runtime. |
3758 | ||
3759 | proc check_effective_target_c99_runtime { } { | |
3760 | return [check_cached_effective_target c99_runtime { | |
3761 | global srcdir | |
3762 | ||
3763 | set file [open "$srcdir/gcc.dg/builtins-config.h"] | |
3764 | set contents [read $file] | |
3765 | close $file | |
3766 | append contents { | |
3767 | #ifndef HAVE_C99_RUNTIME | |
3768 | #error FOO | |
3769 | #endif | |
3770 | } | |
0ffd38c8 RS |
3771 | check_no_compiler_messages_nocache c99_runtime assembly \ |
3772 | $contents [add_options_for_c99_runtime ""] | |
1018b4c3 RS |
3773 | }] |
3774 | } | |
ab1cde23 DS |
3775 | |
3776 | # Return 1 if target wchar_t is at least 4 bytes. | |
3777 | ||
3778 | proc check_effective_target_4byte_wchar_t { } { | |
3779 | return [check_no_compiler_messages 4byte_wchar_t object { | |
a6ce2774 | 3780 | int dummy[sizeof (__WCHAR_TYPE__) >= 4 ? 1 : -1]; |
ab1cde23 DS |
3781 | }] |
3782 | } | |
3b2488ca L |
3783 | |
3784 | # Return 1 if the target supports automatic stack alignment. | |
3785 | ||
3786 | proc check_effective_target_automatic_stack_alignment { } { | |
cc825d98 RH |
3787 | # Ordinarily x86 supports automatic stack alignment ... |
3788 | if { [istarget i?86*-*-*] || [istarget x86_64-*-*] } then { | |
3789 | if { [istarget *-*-mingw*] || [istarget *-*-cygwin*] } { | |
3790 | # ... except Win64 SEH doesn't. Succeed for Win32 though. | |
3791 | return [check_effective_target_ilp32]; | |
3792 | } | |
3793 | return 1; | |
3794 | } | |
3795 | return 0; | |
3b2488ca | 3796 | } |
d6beb90e XG |
3797 | |
3798 | # Return 1 if avx instructions can be compiled. | |
3799 | ||
3800 | proc check_effective_target_avx { } { | |
3801 | return [check_no_compiler_messages avx object { | |
3802 | void _mm256_zeroall (void) | |
3803 | { | |
3804 | __builtin_ia32_vzeroall (); | |
3805 | } | |
3806 | } "-O2 -mavx" ] | |
3807 | } | |
1b829d45 | 3808 | |
ae6a0535 RO |
3809 | # Return 1 if sse instructions can be compiled. |
3810 | proc check_effective_target_sse { } { | |
3811 | return [check_no_compiler_messages sse object { | |
3812 | int main () | |
3813 | { | |
3814 | __builtin_ia32_stmxcsr (); | |
3815 | return 0; | |
3816 | } | |
3817 | } "-O2 -msse" ] | |
3818 | } | |
3819 | ||
40f1bdd9 RO |
3820 | # Return 1 if sse2 instructions can be compiled. |
3821 | proc check_effective_target_sse2 { } { | |
3822 | return [check_no_compiler_messages sse2 object { | |
3823 | typedef long long __m128i __attribute__ ((__vector_size__ (16))); | |
3824 | ||
3825 | __m128i _mm_srli_si128 (__m128i __A, int __N) | |
3826 | { | |
3827 | return (__m128i)__builtin_ia32_psrldqi128 (__A, 8); | |
3828 | } | |
3829 | } "-O2 -msse2" ] | |
3830 | } | |
3831 | ||
4ee89d5f L |
3832 | # Return 1 if F16C instructions can be compiled. |
3833 | ||
3834 | proc check_effective_target_f16c { } { | |
3835 | return [check_no_compiler_messages f16c object { | |
3836 | #include "immintrin.h" | |
3837 | float | |
3838 | foo (unsigned short val) | |
3839 | { | |
3840 | return _cvtsh_ss (val); | |
3841 | } | |
3842 | } "-O2 -mf16c" ] | |
3843 | } | |
3844 | ||
1b829d45 JJ |
3845 | # Return 1 if C wchar_t type is compatible with char16_t. |
3846 | ||
3847 | proc check_effective_target_wchar_t_char16_t_compatible { } { | |
3848 | return [check_no_compiler_messages wchar_t_char16_t object { | |
3849 | __WCHAR_TYPE__ wc; | |
3850 | __CHAR16_TYPE__ *p16 = &wc; | |
3851 | char t[(((__CHAR16_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1]; | |
3852 | }] | |
3853 | } | |
3854 | ||
3855 | # Return 1 if C wchar_t type is compatible with char32_t. | |
3856 | ||
3857 | proc check_effective_target_wchar_t_char32_t_compatible { } { | |
3858 | return [check_no_compiler_messages wchar_t_char32_t object { | |
3859 | __WCHAR_TYPE__ wc; | |
3860 | __CHAR32_TYPE__ *p32 = &wc; | |
3861 | char t[(((__CHAR32_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1]; | |
3862 | }] | |
3863 | } | |
8179c2f2 SE |
3864 | |
3865 | # Return 1 if pow10 function exists. | |
3866 | ||
3867 | proc check_effective_target_pow10 { } { | |
3868 | return [check_runtime pow10 { | |
3869 | #include <math.h> | |
3870 | int main () { | |
3871 | double x; | |
3872 | x = pow10 (1); | |
3873 | return 0; | |
3874 | } | |
3875 | } "-lm" ] | |
3876 | } | |
4f809983 JJ |
3877 | |
3878 | # Return 1 if current options generate DFP instructions, 0 otherwise. | |
3879 | ||
3880 | proc check_effective_target_hard_dfp {} { | |
3881 | return [check_no_messages_and_pattern hard_dfp "!adddd3" assembly { | |
a9ab39d3 JJ |
3882 | typedef float d64 __attribute__((mode(DD))); |
3883 | d64 x, y, z; | |
4f809983 JJ |
3884 | void foo (void) { z = x + y; } |
3885 | }] | |
3886 | } | |
43014633 JJ |
3887 | |
3888 | # Return 1 if string.h and wchar.h headers provide C++ requires overloads | |
3889 | # for strchr etc. functions. | |
3890 | ||
3891 | proc check_effective_target_correct_iso_cpp_string_wchar_protos { } { | |
3892 | return [check_no_compiler_messages correct_iso_cpp_string_wchar_protos assembly { | |
3893 | #include <string.h> | |
3894 | #include <wchar.h> | |
3895 | #if !defined(__cplusplus) \ | |
3896 | || !defined(__CORRECT_ISO_CPP_STRING_H_PROTO) \ | |
3897 | || !defined(__CORRECT_ISO_CPP_WCHAR_H_PROTO) | |
3898 | ISO C++ correct string.h and wchar.h protos not supported. | |
3899 | #else | |
3900 | int i; | |
3901 | #endif | |
3902 | }] | |
3903 | } | |
16a3d11c | 3904 | |
659b24d6 RO |
3905 | # Return 1 if GNU as is used. |
3906 | ||
3907 | proc check_effective_target_gas { } { | |
3908 | global use_gas_saved | |
3909 | global tool | |
3910 | ||
3911 | if {![info exists use_gas_saved]} { | |
3912 | # Check if the as used by gcc is GNU as. | |
3913 | set gcc_as [lindex [${tool}_target_compile "-print-prog-name=as" "" "none" ""] 0] | |
3914 | # Provide /dev/null as input, otherwise gas times out reading from | |
3915 | # stdin. | |
3916 | set status [remote_exec host "$gcc_as" "-v /dev/null"] | |
3917 | set as_output [lindex $status 1] | |
3918 | if { [ string first "GNU" $as_output ] >= 0 } { | |
3919 | set use_gas_saved 1 | |
3920 | } else { | |
3921 | set use_gas_saved 0 | |
3922 | } | |
3923 | } | |
3924 | return $use_gas_saved | |
3925 | } | |
3926 | ||
14a393a3 RO |
3927 | # Return 1 if GNU ld is used. |
3928 | ||
3929 | proc check_effective_target_gld { } { | |
3930 | global use_gld_saved | |
3931 | global tool | |
3932 | ||
3933 | if {![info exists use_gld_saved]} { | |
3934 | # Check if the ld used by gcc is GNU ld. | |
3935 | set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=ld" "" "none" ""] 0] | |
3936 | set status [remote_exec host "$gcc_ld" "--version"] | |
3937 | set ld_output [lindex $status 1] | |
3938 | if { [ string first "GNU" $ld_output ] >= 0 } { | |
3939 | set use_gld_saved 1 | |
3940 | } else { | |
3941 | set use_gld_saved 0 | |
3942 | } | |
3943 | } | |
3944 | return $use_gld_saved | |
3945 | } | |
3946 | ||
d7f09764 DN |
3947 | # Return 1 if the compiler has been configure with link-time optimization |
3948 | # (LTO) support. | |
3949 | ||
3950 | proc check_effective_target_lto { } { | |
3951 | global ENABLE_LTO | |
3952 | return [info exists ENABLE_LTO] | |
3953 | } | |
3954 | ||
7458026b ILT |
3955 | # Return 1 if this target supports the -fsplit-stack option, 0 |
3956 | # otherwise. | |
3957 | ||
3958 | proc check_effective_target_split_stack {} { | |
3959 | return [check_no_compiler_messages split_stack object { | |
3960 | void foo (void) { } | |
3961 | } "-fsplit-stack"] | |
3962 | } | |
3963 | ||
812a5d4b MLI |
3964 | # Return 1 if the language for the compiler under test is C. |
3965 | ||
3966 | proc check_effective_target_c { } { | |
3967 | global tool | |
3968 | if [string match $tool "gcc"] { | |
3969 | return 1 | |
3970 | } | |
3971 | return 0 | |
3972 | } | |
3973 | ||
3974 | # Return 1 if the language for the compiler under test is C++. | |
3975 | ||
3976 | proc check_effective_target_c++ { } { | |
3977 | global tool | |
3978 | if [string match $tool "g++"] { | |
3979 | return 1 | |
3980 | } | |
3981 | return 0 | |
3982 | } | |
0fa3d594 RO |
3983 | |
3984 | # Return 1 if expensive testcases should be run. | |
3985 | ||
3986 | proc check_effective_target_run_expensive_tests { } { | |
3987 | if { [getenv GCC_TEST_RUN_EXPENSIVE] != "" } { | |
3988 | return 1 | |
3989 | } | |
3990 | return 0 | |
3991 | } | |
8d598c74 SE |
3992 | |
3993 | # Returns 1 if "mempcpy" is available on the target system. | |
3994 | ||
3995 | proc check_effective_target_mempcpy {} { | |
3996 | return [check_function_available "mempcpy"] | |
3997 | } | |
9a31f6a3 UB |
3998 | |
3999 | # Check whether the vectorizer tests are supported by the target and | |
4000 | # append additional target-dependent compile flags to DEFAULT_VECTCFLAGS. | |
4001 | # Set dg-do-what-default to either compile or run, depending on target | |
4002 | # capabilities. Return 1 if vectorizer tests are supported by | |
4003 | # target, 0 otherwise. | |
4004 | ||
4005 | proc check_vect_support_and_set_flags { } { | |
4006 | global DEFAULT_VECTCFLAGS | |
4007 | global dg-do-what-default | |
4008 | ||
19073ebc | 4009 | if [istarget powerpc-*paired*] { |
9a31f6a3 UB |
4010 | lappend DEFAULT_VECTCFLAGS "-mpaired" |
4011 | if [check_750cl_hw_available] { | |
4012 | set dg-do-what-default run | |
4013 | } else { | |
4014 | set dg-do-what-default compile | |
4015 | } | |
19073ebc | 4016 | } elseif [istarget powerpc*-*-*] { |
9a31f6a3 UB |
4017 | # Skip targets not supporting -maltivec. |
4018 | if ![is-effective-target powerpc_altivec_ok] { | |
4019 | return 0 | |
4020 | } | |
4021 | ||
4022 | lappend DEFAULT_VECTCFLAGS "-maltivec" | |
19073ebc | 4023 | if [check_vsx_hw_available] { |
9a31f6a3 UB |
4024 | lappend DEFAULT_VECTCFLAGS "-mvsx" "-mno-allow-movmisalign" |
4025 | } | |
4026 | ||
4027 | if [check_vmx_hw_available] { | |
4028 | set dg-do-what-default run | |
4029 | } else { | |
4030 | if [is-effective-target ilp32] { | |
4031 | # Specify a cpu that supports VMX for compile-only tests. | |
4032 | lappend DEFAULT_VECTCFLAGS "-mcpu=970" | |
4033 | } | |
4034 | set dg-do-what-default compile | |
4035 | } | |
19073ebc | 4036 | } elseif { [istarget spu-*-*] } { |
9a31f6a3 | 4037 | set dg-do-what-default run |
19073ebc | 4038 | } elseif { [istarget i?86-*-*] || [istarget x86_64-*-*] } { |
9a31f6a3 UB |
4039 | lappend DEFAULT_VECTCFLAGS "-msse2" |
4040 | if { [check_effective_target_sse2_runtime] } { | |
4041 | set dg-do-what-default run | |
4042 | } else { | |
4043 | set dg-do-what-default compile | |
4044 | } | |
19073ebc | 4045 | } elseif { [istarget mips*-*-*] |
9a31f6a3 UB |
4046 | && ([check_effective_target_mpaired_single] |
4047 | || [check_effective_target_mips_loongson]) | |
4048 | && [check_effective_target_nomips16] } { | |
4049 | if { [check_effective_target_mpaired_single] } { | |
4050 | lappend DEFAULT_VECTCFLAGS "-mpaired-single" | |
4051 | } | |
4052 | set dg-do-what-default run | |
19073ebc | 4053 | } elseif [istarget sparc*-*-*] { |
9a31f6a3 UB |
4054 | lappend DEFAULT_VECTCFLAGS "-mcpu=ultrasparc" "-mvis" |
4055 | if [check_effective_target_ultrasparc_hw] { | |
4056 | set dg-do-what-default run | |
4057 | } else { | |
4058 | set dg-do-what-default compile | |
4059 | } | |
19073ebc | 4060 | } elseif [istarget alpha*-*-*] { |
9a31f6a3 UB |
4061 | # Alpha's vectorization capabilities are extremely limited. |
4062 | # It's more effort than its worth disabling all of the tests | |
4063 | # that it cannot pass. But if you actually want to see what | |
4064 | # does work, command out the return. | |
4065 | return 0 | |
4066 | ||
4067 | lappend DEFAULT_VECTCFLAGS "-mmax" | |
4068 | if [check_alpha_max_hw_available] { | |
4069 | set dg-do-what-default run | |
4070 | } else { | |
4071 | set dg-do-what-default compile | |
4072 | } | |
19073ebc | 4073 | } elseif [istarget ia64-*-*] { |
9a31f6a3 UB |
4074 | set dg-do-what-default run |
4075 | } elseif [is-effective-target arm_neon_ok] { | |
4076 | eval lappend DEFAULT_VECTCFLAGS [add_options_for_arm_neon ""] | |
4077 | # NEON does not support denormals, so is not used for vectorization by | |
4078 | # default to avoid loss of precision. We must pass -ffast-math to test | |
4079 | # vectorization of float operations. | |
4080 | lappend DEFAULT_VECTCFLAGS "-ffast-math" | |
4081 | if [is-effective-target arm_neon_hw] { | |
4082 | set dg-do-what-default run | |
4083 | } else { | |
4084 | set dg-do-what-default compile | |
4085 | } | |
4086 | } else { | |
4087 | return 0 | |
4088 | } | |
4089 | ||
4090 | return 1 | |
4091 | } | |
4092 | ||
4ff10c0e JJ |
4093 | proc check_effective_target_non_strict_align {} { |
4094 | return [check_no_compiler_messages non_strict_align assembly { | |
4095 | char *y; | |
4096 | typedef char __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) c; | |
4097 | c *z; | |
4098 | void foo(void) { z = (c *) y; } | |
4099 | } "-Wcast-align"] | |
4100 | } |