1 # Copyright (C) 1999, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009
2 # Free Software Foundation, Inc.
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
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
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.
14 # You should have received a copy of the GNU General Public License
15 # along with GCC; see the file COPYING3. If not see
16 # <http://www.gnu.org/licenses/>.
18 # Please email any bugs, comments, and/or additions to this file to:
19 # gcc-patches@gcc.gnu.org
21 # This file defines procs for determining features supported by the target.
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.
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.
32 # Assume by default that CONTENTS is C code. C++ code should contain
33 # "// C++" and Fortran code should contain "! Fortran".
34 proc check_compile {basename type contents args} {
37 if { [llength $args] > 0 } {
38 set options [list "additional_flags=[lindex $args 0]"]
42 switch -glob -- $contents {
43 "*! Fortran*" { set src ${basename}[pid].f90 }
44 "*// C++*" { set src ${basename}[pid].cc }
45 default { set src ${basename}[pid].c }
47 set compile_type $type
49 assembly { set output ${basename}[pid].s }
50 object { set output ${basename}[pid].o }
51 executable { set output ${basename}[pid].exe }
53 set output ${basename}[pid].s
54 lappend options "additional_flags=-fdump-$type"
55 set compile_type assembly
61 set lines [${tool}_target_compile $src $output $compile_type "$options"]
64 set scan_output $output
65 # Don't try folding this into the switch above; calling "glob" before the
66 # file is created won't work.
67 if [regexp "rtl-(.*)" $type dummy rtl_type] {
68 set scan_output "[glob $src.\[0-9\]\[0-9\]\[0-9\]r.$rtl_type]"
72 return [list $lines $scan_output]
75 proc current_target_name { } {
77 if [info exists target_info(target,name)] {
78 set answer $target_info(target,name)
85 # Implement an effective-target check for property PROP by invoking
86 # the Tcl command ARGS and seeing if it returns true.
88 proc check_cached_effective_target { prop args } {
91 set target [current_target_name]
92 if {![info exists et_cache($prop,target)]
93 || $et_cache($prop,target) != $target} {
94 verbose "check_cached_effective_target $prop: checking $target" 2
95 set et_cache($prop,target) $target
96 set et_cache($prop,value) [uplevel eval $args]
98 set value $et_cache($prop,value)
99 verbose "check_cached_effective_target $prop: returning $value for $target" 2
103 # Like check_compile, but delete the output file and return true if the
104 # compiler printed no messages.
105 proc check_no_compiler_messages_nocache {args} {
106 set result [eval check_compile $args]
107 set lines [lindex $result 0]
108 set output [lindex $result 1]
109 remote_file build delete $output
110 return [string match "" $lines]
113 # Like check_no_compiler_messages_nocache, but cache the result.
114 # PROP is the property we're checking, and doubles as a prefix for
115 # temporary filenames.
116 proc check_no_compiler_messages {prop args} {
117 return [check_cached_effective_target $prop {
118 eval [list check_no_compiler_messages_nocache $prop] $args
122 # Like check_compile, but return true if the compiler printed no
123 # messages and if the contents of the output file satisfy PATTERN.
124 # If PATTERN has the form "!REGEXP", the contents satisfy it if they
125 # don't match regular expression REGEXP, otherwise they satisfy it
126 # if they do match regular expression PATTERN. (PATTERN can start
127 # with something like "[!]" if the regular expression needs to match
128 # "!" as the first character.)
130 # Delete the output file before returning. The other arguments are
131 # as for check_compile.
132 proc check_no_messages_and_pattern_nocache {basename pattern args} {
135 set result [eval [list check_compile $basename] $args]
136 set lines [lindex $result 0]
137 set output [lindex $result 1]
140 if { [string match "" $lines] } {
141 set chan [open "$output"]
142 set invert [regexp {^!(.*)} $pattern dummy pattern]
143 set ok [expr { [regexp $pattern [read $chan]] != $invert }]
147 remote_file build delete $output
151 # Like check_no_messages_and_pattern_nocache, but cache the result.
152 # PROP is the property we're checking, and doubles as a prefix for
153 # temporary filenames.
154 proc check_no_messages_and_pattern {prop pattern args} {
155 return [check_cached_effective_target $prop {
156 eval [list check_no_messages_and_pattern_nocache $prop $pattern] $args
160 # Try to compile and run an executable from code CONTENTS. Return true
161 # if the compiler reports no messages and if execution "passes" in the
162 # usual DejaGNU sense. The arguments are as for check_compile, with
163 # TYPE implicitly being "executable".
164 proc check_runtime_nocache {basename contents args} {
167 set result [eval [list check_compile $basename executable $contents] $args]
168 set lines [lindex $result 0]
169 set output [lindex $result 1]
172 if { [string match "" $lines] } {
173 # No error messages, everything is OK.
174 set result [remote_load target "./$output" "" ""]
175 set status [lindex $result 0]
176 verbose "check_runtime_nocache $basename: status is <$status>" 2
177 if { $status == "pass" } {
181 remote_file build delete $output
185 # Like check_runtime_nocache, but cache the result. PROP is the
186 # property we're checking, and doubles as a prefix for temporary
188 proc check_runtime {prop args} {
191 return [check_cached_effective_target $prop {
192 eval [list check_runtime_nocache $prop] $args
196 ###############################
197 # proc check_weak_available { }
198 ###############################
200 # weak symbols are only supported in some configs/object formats
201 # this proc returns 1 if they're supported, 0 if they're not, or -1 if unsure
203 proc check_weak_available { } {
204 global target_triplet
207 # All mips targets should support it
209 if { [ string first "mips" $target_cpu ] >= 0 } {
213 # All solaris2 targets should support it
215 if { [regexp ".*-solaris2.*" $target_triplet] } {
219 # DEC OSF/1/Digital UNIX/Tru64 UNIX supports it
221 if { [regexp "alpha.*osf.*" $target_triplet] } {
225 # Windows targets Cygwin and MingW32 support it
227 if { [regexp ".*mingw32|.*cygwin" $target_triplet] } {
231 # HP-UX 10.X doesn't support it
233 if { [istarget "hppa*-*-hpux10*"] } {
237 # ELF and ECOFF support it. a.out does with gas/gld but may also with
238 # other linkers, so we should try it
240 set objformat [gcc_target_object_format]
248 unknown { return -1 }
253 ###############################
254 # proc check_weak_override_available { }
255 ###############################
257 # Like check_weak_available, but return 0 if weak symbol definitions
258 # cannot be overridden.
260 proc check_weak_override_available { } {
261 if { [istarget "*-*-mingw*"] } {
264 return [check_weak_available]
267 ###############################
268 # proc check_visibility_available { what_kind }
269 ###############################
271 # The visibility attribute is only support in some object formats
272 # This proc returns 1 if it is supported, 0 if not.
273 # The argument is the kind of visibility, default/protected/hidden/internal.
275 proc check_visibility_available { what_kind } {
277 global target_triplet
279 # On NetWare, support makes no sense.
280 if { [istarget *-*-netware*] } {
284 if [string match "" $what_kind] { set what_kind "hidden" }
286 return [check_no_compiler_messages visibility_available_$what_kind object "
287 void f() __attribute__((visibility(\"$what_kind\")));
292 ###############################
293 # proc check_alias_available { }
294 ###############################
296 # Determine if the target toolchain supports the alias attribute.
298 # Returns 2 if the target supports aliases. Returns 1 if the target
299 # only supports weak aliased. Returns 0 if the target does not
300 # support aliases at all. Returns -1 if support for aliases could not
303 proc check_alias_available { } {
304 global alias_available_saved
307 if [info exists alias_available_saved] {
308 verbose "check_alias_available returning saved $alias_available_saved" 2
312 verbose "check_alias_available compiling testfile $src" 2
313 set f [open $src "w"]
314 # Compile a small test program. The definition of "g" is
315 # necessary to keep the Solaris assembler from complaining
317 puts $f "#ifdef __cplusplus\nextern \"C\"\n#endif\n"
318 puts $f "void g() {} void f() __attribute__((alias(\"g\")));"
320 set lines [${tool}_target_compile $src $obj object ""]
322 remote_file build delete $obj
324 if [string match "" $lines] then {
325 # No error messages, everything is OK.
326 set alias_available_saved 2
328 if [regexp "alias definitions not supported" $lines] {
329 verbose "check_alias_available target does not support aliases" 2
331 set objformat [gcc_target_object_format]
333 if { $objformat == "elf" } {
334 verbose "check_alias_available but target uses ELF format, so it ought to" 2
335 set alias_available_saved -1
337 set alias_available_saved 0
340 if [regexp "only weak aliases are supported" $lines] {
341 verbose "check_alias_available target supports only weak aliases" 2
342 set alias_available_saved 1
344 set alias_available_saved -1
349 verbose "check_alias_available returning $alias_available_saved" 2
352 return $alias_available_saved
355 # Returns true if --gc-sections is supported on the target.
357 proc check_gc_sections_available { } {
358 global gc_sections_available_saved
361 if {![info exists gc_sections_available_saved]} {
362 # Some targets don't support gc-sections despite whatever's
363 # advertised by ld's options.
364 if { [istarget alpha*-*-*]
365 || [istarget ia64-*-*] } {
366 set gc_sections_available_saved 0
370 # elf2flt uses -q (--emit-relocs), which is incompatible with
372 if { [board_info target exists ldflags]
373 && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } {
374 set gc_sections_available_saved 0
378 # VxWorks kernel modules are relocatable objects linked with -r,
379 # while RTP executables are linked with -q (--emit-relocs).
380 # Both of these options are incompatible with --gc-sections.
381 if { [istarget *-*-vxworks*] } {
382 set gc_sections_available_saved 0
386 # Check if the ld used by gcc supports --gc-sections.
387 set gcc_spec [${tool}_target_compile "-dumpspecs" "" "none" ""]
388 regsub ".*\n\\*linker:\[ \t\]*\n(\[^ \t\n\]*).*" "$gcc_spec" {\1} linker
389 set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=$linker" "" "none" ""] 0]
390 set ld_output [remote_exec host "$gcc_ld" "--help"]
391 if { [ string first "--gc-sections" $ld_output ] >= 0 } {
392 set gc_sections_available_saved 1
394 set gc_sections_available_saved 0
397 return $gc_sections_available_saved
400 # Return 1 if according to target_info struct and explicit target list
401 # target is supposed to support trampolines.
403 proc check_effective_target_trampolines { } {
404 if [target_info exists no_trampolines] {
407 if { [istarget avr-*-*]
408 || [istarget hppa2.0w-hp-hpux11.23]
409 || [istarget hppa64-hp-hpux11.23] } {
415 # Return 1 if according to target_info struct and explicit target list
416 # target is supposed to keep null pointer checks. This could be due to
417 # use of option fno-delete-null-pointer-checks or hardwired in target.
419 proc check_effective_target_keeps_null_pointer_checks { } {
420 if [target_info exists keeps_null_pointer_checks] {
423 if { [istarget avr-*-*] } {
429 # Return true if profiling is supported on the target.
431 proc check_profiling_available { test_what } {
432 global profiling_available_saved
434 verbose "Profiling argument is <$test_what>" 1
436 # These conditions depend on the argument so examine them before
437 # looking at the cache variable.
439 # Support for -p on solaris2 relies on mcrt1.o which comes with the
440 # vendor compiler. We cannot reliably predict the directory where the
441 # vendor compiler (and thus mcrt1.o) is installed so we can't
442 # necessarily find mcrt1.o even if we have it.
443 if { [istarget *-*-solaris2*] && [lindex $test_what 1] == "-p" } {
447 # Support for -p on irix relies on libprof1.a which doesn't appear to
448 # exist on any irix6 system currently posting testsuite results.
449 # Support for -pg on irix relies on gcrt1.o which doesn't exist yet.
450 # See: http://gcc.gnu.org/ml/gcc/2002-10/msg00169.html
451 if { [istarget mips*-*-irix*]
452 && ([lindex $test_what 1] == "-p" || [lindex $test_what 1] == "-pg") } {
456 # We don't yet support profiling for MIPS16.
457 if { [istarget mips*-*-*]
458 && ![check_effective_target_nomips16]
459 && ([lindex $test_what 1] == "-p"
460 || [lindex $test_what 1] == "-pg") } {
464 # MinGW does not support -p.
465 if { [istarget *-*-mingw*] && [lindex $test_what 1] == "-p" } {
469 # cygwin does not support -p.
470 if { [istarget *-*-cygwin*] && [lindex $test_what 1] == "-p" } {
474 # uClibc does not have gcrt1.o.
475 if { [check_effective_target_uclibc]
476 && ([lindex $test_what 1] == "-p"
477 || [lindex $test_what 1] == "-pg") } {
481 # Now examine the cache variable.
482 if {![info exists profiling_available_saved]} {
483 # Some targets don't have any implementation of __bb_init_func or are
484 # missing other needed machinery.
485 if { [istarget mmix-*-*]
486 || [istarget arm*-*-eabi*]
487 || [istarget picochip-*-*]
488 || [istarget *-*-netware*]
489 || [istarget arm*-*-elf]
490 || [istarget arm*-*-symbianelf*]
491 || [istarget avr-*-*]
492 || [istarget bfin-*-*]
493 || [istarget powerpc-*-eabi*]
494 || [istarget cris-*-*]
495 || [istarget crisv32-*-*]
496 || [istarget fido-*-elf]
497 || [istarget h8300-*-*]
498 || [istarget m32c-*-elf]
499 || [istarget m68k-*-elf]
500 || [istarget m68k-*-uclinux*]
501 || [istarget mep-*-elf]
502 || [istarget mips*-*-elf*]
503 || [istarget moxie-*-elf*]
504 || [istarget xstormy16-*]
505 || [istarget xtensa*-*-elf]
506 || [istarget *-*-rtems*]
507 || [istarget *-*-vxworks*] } {
508 set profiling_available_saved 0
510 set profiling_available_saved 1
514 return $profiling_available_saved
517 # Check to see if a target is "freestanding". This is as per the definition
518 # in Section 4 of C99 standard. Effectively, it is a target which supports no
519 # extra headers or libraries other than what is considered essential.
520 proc check_effective_target_freestanding { } {
521 if { [istarget picochip-*-*] } then {
528 # Return 1 if target has packed layout of structure members by
529 # default, 0 otherwise. Note that this is slightly different than
530 # whether the target has "natural alignment": both attributes may be
533 proc check_effective_target_default_packed { } {
534 return [check_no_compiler_messages default_packed assembly {
535 struct x { char a; long b; } c;
536 int s[sizeof (c) == sizeof (char) + sizeof (long) ? 1 : -1];
540 # Return 1 if target has PCC_BITFIELD_TYPE_MATTERS defined. See
541 # documentation, where the test also comes from.
543 proc check_effective_target_pcc_bitfield_type_matters { } {
544 # PCC_BITFIELD_TYPE_MATTERS isn't just about unnamed or empty
545 # bitfields, but let's stick to the example code from the docs.
546 return [check_no_compiler_messages pcc_bitfield_type_matters assembly {
547 struct foo1 { char x; char :0; char y; };
548 struct foo2 { char x; int :0; char y; };
549 int s[sizeof (struct foo1) != sizeof (struct foo2) ? 1 : -1];
553 # Return 1 if thread local storage (TLS) is supported, 0 otherwise.
555 proc check_effective_target_tls {} {
556 return [check_no_compiler_messages tls assembly {
558 int f (void) { return i; }
559 void g (int j) { i = j; }
563 # Return 1 if *native* thread local storage (TLS) is supported, 0 otherwise.
565 proc check_effective_target_tls_native {} {
566 # VxWorks uses emulated TLS machinery, but with non-standard helper
567 # functions, so we fail to automatically detect it.
568 global target_triplet
569 if { [regexp ".*-.*-vxworks.*" $target_triplet] } {
573 return [check_no_messages_and_pattern tls_native "!emutls" assembly {
575 int f (void) { return i; }
576 void g (int j) { i = j; }
580 # Return 1 if TLS executables can run correctly, 0 otherwise.
582 proc check_effective_target_tls_runtime {} {
583 return [check_runtime tls_runtime {
584 __thread int thr = 0;
585 int main (void) { return thr; }
589 # Return 1 if compilation with -fgraphite is error-free for trivial
592 proc check_effective_target_fgraphite {} {
593 return [check_no_compiler_messages fgraphite object {
598 # Return 1 if compilation with -fopenmp is error-free for trivial
601 proc check_effective_target_fopenmp {} {
602 return [check_no_compiler_messages fopenmp object {
607 # Return 1 if compilation with -pthread is error-free for trivial
610 proc check_effective_target_pthread {} {
611 return [check_no_compiler_messages pthread object {
616 # Return 1 if compilation with -mpe-aligned-commons is error-free
617 # for trivial code, 0 otherwise.
619 proc check_effective_target_pe_aligned_commons {} {
620 if { [istarget *-*-cygwin*] || [istarget *-*-mingw*] } {
621 return [check_no_compiler_messages pe_aligned_commons object {
623 } "-mpe-aligned-commons"]
628 # Return 1 if the target supports -static
629 proc check_effective_target_static {} {
630 return [check_no_compiler_messages static executable {
631 int main (void) { return 0; }
635 # Return 1 if the target supports -fstack-protector
636 proc check_effective_target_fstack_protector {} {
637 return [check_runtime fstack_protector {
638 int main (void) { return 0; }
639 } "-fstack-protector"]
642 # Return 1 if compilation with -freorder-blocks-and-partition is error-free
643 # for trivial code, 0 otherwise.
645 proc check_effective_target_freorder {} {
646 return [check_no_compiler_messages freorder object {
648 } "-freorder-blocks-and-partition"]
651 # Return 1 if -fpic and -fPIC are supported, as in no warnings or errors
652 # emitted, 0 otherwise. Whether a shared library can actually be built is
653 # out of scope for this test.
655 proc check_effective_target_fpic { } {
656 # Note that M68K has a multilib that supports -fpic but not
657 # -fPIC, so we need to check both. We test with a program that
658 # requires GOT references.
659 foreach arg {fpic fPIC} {
660 if [check_no_compiler_messages $arg object {
661 extern int foo (void); extern int bar;
662 int baz (void) { return foo () + bar; }
670 # Return true if the target supports -mpaired-single (as used on MIPS).
672 proc check_effective_target_mpaired_single { } {
673 return [check_no_compiler_messages mpaired_single object {
678 # Return true if the target has access to FPU instructions.
680 proc check_effective_target_hard_float { } {
681 if { [istarget mips*-*-*] } {
682 return [check_no_compiler_messages hard_float assembly {
683 #if (defined __mips_soft_float || defined __mips16)
689 # The generic test equates hard_float with "no call for adding doubles".
690 return [check_no_messages_and_pattern hard_float "!\\(call" rtl-expand {
691 double a (double b, double c) { return b + c; }
695 # Return true if the target is a 64-bit MIPS target.
697 proc check_effective_target_mips64 { } {
698 return [check_no_compiler_messages mips64 assembly {
705 # Return true if the target is a MIPS target that does not produce
708 proc check_effective_target_nomips16 { } {
709 return [check_no_compiler_messages nomips16 object {
713 /* A cheap way of testing for -mflip-mips16. */
714 void foo (void) { asm ("addiu $20,$20,1"); }
715 void bar (void) { asm ("addiu $20,$20,1"); }
720 # Add the options needed for MIPS16 function attributes. At the moment,
721 # we don't support MIPS16 PIC.
723 proc add_options_for_mips16_attribute { flags } {
724 return "$flags -mno-abicalls -fno-pic -DMIPS16=__attribute__((mips16))"
727 # Return true if we can force a mode that allows MIPS16 code generation.
728 # We don't support MIPS16 PIC, and only support MIPS16 -mhard-float
731 proc check_effective_target_mips16_attribute { } {
732 return [check_no_compiler_messages mips16_attribute assembly {
736 #if defined __mips_hard_float \
737 && (!defined _ABIO32 || _MIPS_SIM != _ABIO32) \
738 && (!defined _ABIO64 || _MIPS_SIM != _ABIO64)
741 } [add_options_for_mips16_attribute ""]]
744 # Return 1 if the target supports long double larger than double when
745 # using the new ABI, 0 otherwise.
747 proc check_effective_target_mips_newabi_large_long_double { } {
748 return [check_no_compiler_messages mips_newabi_large_long_double object {
749 int dummy[sizeof(long double) > sizeof(double) ? 1 : -1];
753 # Return 1 if the current multilib does not generate PIC by default.
755 proc check_effective_target_nonpic { } {
756 return [check_no_compiler_messages nonpic assembly {
763 # Return 1 if the target does not use a status wrapper.
765 proc check_effective_target_unwrapped { } {
766 if { [target_info needs_status_wrapper] != "" \
767 && [target_info needs_status_wrapper] != "0" } {
773 # Return true if iconv is supported on the target. In particular IBM1047.
775 proc check_iconv_available { test_what } {
778 # If the tool configuration file has not set libiconv, try "-liconv"
779 if { ![info exists libiconv] } {
780 set libiconv "-liconv"
782 set test_what [lindex $test_what 1]
783 return [check_runtime_nocache $test_what [subst {
789 cd = iconv_open ("$test_what", "UTF-8");
790 if (cd == (iconv_t) -1)
797 # Return true if named sections are supported on this target.
799 proc check_named_sections_available { } {
800 return [check_no_compiler_messages named_sections assembly {
801 int __attribute__ ((section("whatever"))) foo;
805 # Return 1 if the target supports Fortran real kinds larger than real(8),
808 # When the target name changes, replace the cached result.
810 proc check_effective_target_fortran_large_real { } {
811 return [check_no_compiler_messages fortran_large_real executable {
813 integer,parameter :: k = selected_real_kind (precision (0.0_8) + 1)
820 # Return 1 if the target supports Fortran integer kinds larger than
821 # integer(8), 0 otherwise.
823 # When the target name changes, replace the cached result.
825 proc check_effective_target_fortran_large_int { } {
826 return [check_no_compiler_messages fortran_large_int executable {
828 integer,parameter :: k = selected_int_kind (range (0_8) + 1)
834 # Return 1 if the target supports Fortran integer(16), 0 otherwise.
836 # When the target name changes, replace the cached result.
838 proc check_effective_target_fortran_integer_16 { } {
839 return [check_no_compiler_messages fortran_integer_16 executable {
846 # Return 1 if we can statically link libgfortran, 0 otherwise.
848 # When the target name changes, replace the cached result.
850 proc check_effective_target_static_libgfortran { } {
851 return [check_no_compiler_messages static_libgfortran executable {
858 # Return 1 if the target supports executing 750CL paired-single instructions, 0
859 # otherwise. Cache the result.
861 proc check_750cl_hw_available { } {
862 return [check_cached_effective_target 750cl_hw_available {
863 # If this is not the right target then we can skip the test.
864 if { ![istarget powerpc-*paired*] } {
867 check_runtime_nocache 750cl_hw_available {
871 asm volatile ("ps_mul v0,v0,v0");
873 asm volatile ("ps_mul 0,0,0");
882 # Return 1 if the target supports executing SSE2 instructions, 0
883 # otherwise. Cache the result.
885 proc check_sse2_hw_available { } {
886 return [check_cached_effective_target sse2_hw_available {
887 # If this is not the right target then we can skip the test.
888 if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } {
891 check_runtime_nocache sse2_hw_available {
895 unsigned int eax, ebx, ecx, edx = 0;
896 if (__get_cpuid (1, &eax, &ebx, &ecx, &edx))
897 return !(edx & bit_SSE2);
905 # Return 1 if the target supports executing VSX instructions, 0
906 # otherwise. Cache the result.
908 proc check_vsx_hw_available { } {
909 return [check_cached_effective_target vsx_hw_available {
910 # Some simulators are known to not support VSX instructions.
911 # For now, disable on Darwin
912 if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] || [istarget *-*-darwin*]} {
916 check_runtime_nocache vsx_hw_available {
920 asm volatile ("xxlor vs0,vs0,vs0");
922 asm volatile ("xxlor 0,0,0");
931 # Return 1 if the target supports executing AltiVec instructions, 0
932 # otherwise. Cache the result.
934 proc check_vmx_hw_available { } {
935 return [check_cached_effective_target vmx_hw_available {
936 # Some simulators are known to not support VMX instructions.
937 if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } {
940 # Most targets don't require special flags for this test case, but
941 # Darwin does. Just to be sure, make sure VSX is not enabled for
943 if { [istarget *-*-darwin*]
944 || [istarget *-*-aix*] } {
945 set options "-maltivec -mno-vsx"
947 set options "-mno-vsx"
949 check_runtime_nocache vmx_hw_available {
953 asm volatile ("vor v0,v0,v0");
955 asm volatile ("vor 0,0,0");
964 # Return 1 if the target supports executing AltiVec and Cell PPU
965 # instructions, 0 otherwise. Cache the result.
967 proc check_effective_target_cell_hw { } {
968 return [check_cached_effective_target cell_hw_available {
969 # Some simulators are known to not support VMX and PPU instructions.
970 if { [istarget powerpc-*-eabi*] } {
973 # Most targets don't require special flags for this test
974 # case, but Darwin and AIX do.
975 if { [istarget *-*-darwin*]
976 || [istarget *-*-aix*] } {
977 set options "-maltivec -mcpu=cell"
979 set options "-mcpu=cell"
981 check_runtime_nocache cell_hw_available {
985 asm volatile ("vor v0,v0,v0");
986 asm volatile ("lvlx v0,r0,r0");
988 asm volatile ("vor 0,0,0");
989 asm volatile ("lvlx 0,0,0");
998 # Return 1 if the target supports executing 64-bit instructions, 0
999 # otherwise. Cache the result.
1001 proc check_effective_target_powerpc64 { } {
1002 global powerpc64_available_saved
1005 if [info exists powerpc64_available_saved] {
1006 verbose "check_effective_target_powerpc64 returning saved $powerpc64_available_saved" 2
1008 set powerpc64_available_saved 0
1010 # Some simulators are known to not support powerpc64 instructions.
1011 if { [istarget powerpc-*-eabi*] || [istarget powerpc-ibm-aix*] } {
1012 verbose "check_effective_target_powerpc64 returning 0" 2
1013 return $powerpc64_available_saved
1016 # Set up, compile, and execute a test program containing a 64-bit
1017 # instruction. Include the current process ID in the file
1018 # names to prevent conflicts with invocations for multiple
1023 set f [open $src "w"]
1024 puts $f "int main() {"
1025 puts $f "#ifdef __MACH__"
1026 puts $f " asm volatile (\"extsw r0,r0\");"
1028 puts $f " asm volatile (\"extsw 0,0\");"
1030 puts $f " return 0; }"
1033 set opts "additional_flags=-mcpu=G5"
1035 verbose "check_effective_target_powerpc64 compiling testfile $src" 2
1036 set lines [${tool}_target_compile $src $exe executable "$opts"]
1039 if [string match "" $lines] then {
1040 # No error message, compilation succeeded.
1041 set result [${tool}_load "./$exe" "" ""]
1042 set status [lindex $result 0]
1043 remote_file build delete $exe
1044 verbose "check_effective_target_powerpc64 testfile status is <$status>" 2
1046 if { $status == "pass" } then {
1047 set powerpc64_available_saved 1
1050 verbose "check_effective_target_powerpc64 testfile compilation failed" 2
1054 return $powerpc64_available_saved
1057 # GCC 3.4.0 for powerpc64-*-linux* included an ABI fix for passing
1058 # complex float arguments. This affects gfortran tests that call cabsf
1059 # in libm built by an earlier compiler. Return 1 if libm uses the same
1060 # argument passing as the compiler under test, 0 otherwise.
1062 # When the target name changes, replace the cached result.
1064 proc check_effective_target_broken_cplxf_arg { } {
1065 return [check_cached_effective_target broken_cplxf_arg {
1066 # Skip the work for targets known not to be affected.
1067 if { ![istarget powerpc64-*-linux*] } {
1069 } elseif { ![is-effective-target lp64] } {
1072 check_runtime_nocache broken_cplxf_arg {
1073 #include <complex.h>
1074 extern void abort (void);
1075 float fabsf (float);
1076 float cabsf (_Complex float);
1083 if (fabsf (f - 5.0) > 0.0001)
1092 proc check_alpha_max_hw_available { } {
1093 return [check_runtime alpha_max_hw_available {
1094 int main() { return __builtin_alpha_amask(1<<8) != 0; }
1098 # Returns true iff the FUNCTION is available on the target system.
1099 # (This is essentially a Tcl implementation of Autoconf's
1102 proc check_function_available { function } {
1103 return [check_no_compiler_messages ${function}_available \
1109 int main () { $function (); }
1113 # Returns true iff "fork" is available on the target system.
1115 proc check_fork_available {} {
1116 return [check_function_available "fork"]
1119 # Returns true iff "mkfifo" is available on the target system.
1121 proc check_mkfifo_available {} {
1122 if {[istarget *-*-cygwin*]} {
1123 # Cygwin has mkfifo, but support is incomplete.
1127 return [check_function_available "mkfifo"]
1130 # Returns true iff "__cxa_atexit" is used on the target system.
1132 proc check_cxa_atexit_available { } {
1133 return [check_cached_effective_target cxa_atexit_available {
1134 if { [istarget "hppa*-*-hpux10*"] } {
1135 # HP-UX 10 doesn't have __cxa_atexit but subsequent test passes.
1137 } elseif { [istarget "*-*-vxworks"] } {
1138 # vxworks doesn't have __cxa_atexit but subsequent test passes.
1141 check_runtime_nocache cxa_atexit_available {
1144 static unsigned int count;
1161 Y() { f(); count = 2; }
1170 int main() { return 0; }
1177 # Return 1 if we're generating 32-bit code using default options, 0
1180 proc check_effective_target_ilp32 { } {
1181 return [check_no_compiler_messages ilp32 object {
1182 int dummy[sizeof (int) == 4
1183 && sizeof (void *) == 4
1184 && sizeof (long) == 4 ? 1 : -1];
1188 # Return 1 if we're generating 32-bit or larger integers using default
1189 # options, 0 otherwise.
1191 proc check_effective_target_int32plus { } {
1192 return [check_no_compiler_messages int32plus object {
1193 int dummy[sizeof (int) >= 4 ? 1 : -1];
1197 # Return 1 if we're generating 32-bit or larger pointers using default
1198 # options, 0 otherwise.
1200 proc check_effective_target_ptr32plus { } {
1201 return [check_no_compiler_messages ptr32plus object {
1202 int dummy[sizeof (void *) >= 4 ? 1 : -1];
1206 # Return 1 if we support 32-bit or larger array and structure sizes
1207 # using default options, 0 otherwise.
1209 proc check_effective_target_size32plus { } {
1210 return [check_no_compiler_messages size32plus object {
1215 # Returns 1 if we're generating 16-bit or smaller integers with the
1216 # default options, 0 otherwise.
1218 proc check_effective_target_int16 { } {
1219 return [check_no_compiler_messages int16 object {
1220 int dummy[sizeof (int) < 4 ? 1 : -1];
1224 # Return 1 if we're generating 64-bit code using default options, 0
1227 proc check_effective_target_lp64 { } {
1228 return [check_no_compiler_messages lp64 object {
1229 int dummy[sizeof (int) == 4
1230 && sizeof (void *) == 8
1231 && sizeof (long) == 8 ? 1 : -1];
1235 # Return 1 if we're generating 64-bit code using default llp64 options,
1238 proc check_effective_target_llp64 { } {
1239 return [check_no_compiler_messages llp64 object {
1240 int dummy[sizeof (int) == 4
1241 && sizeof (void *) == 8
1242 && sizeof (long long) == 8
1243 && sizeof (long) == 4 ? 1 : -1];
1247 # Return 1 if the target supports long double larger than double,
1250 proc check_effective_target_large_long_double { } {
1251 return [check_no_compiler_messages large_long_double object {
1252 int dummy[sizeof(long double) > sizeof(double) ? 1 : -1];
1256 # Return 1 if the target supports double larger than float,
1259 proc check_effective_target_large_double { } {
1260 return [check_no_compiler_messages large_double object {
1261 int dummy[sizeof(double) > sizeof(float) ? 1 : -1];
1265 # Return 1 if the target supports double of 64 bits,
1268 proc check_effective_target_double64 { } {
1269 return [check_no_compiler_messages double64 object {
1270 int dummy[sizeof(double) == 8 ? 1 : -1];
1274 # Return 1 if the target supports double of at least 64 bits,
1277 proc check_effective_target_double64plus { } {
1278 return [check_no_compiler_messages double64plus object {
1279 int dummy[sizeof(double) >= 8 ? 1 : -1];
1283 # Return 1 if the target supports compiling fixed-point,
1286 proc check_effective_target_fixed_point { } {
1287 return [check_no_compiler_messages fixed_point object {
1288 _Sat _Fract x; _Sat _Accum y;
1292 # Return 1 if the target supports compiling decimal floating point,
1295 proc check_effective_target_dfp_nocache { } {
1296 verbose "check_effective_target_dfp_nocache: compiling source" 2
1297 set ret [check_no_compiler_messages_nocache dfp object {
1298 float x __attribute__((mode(DD)));
1300 verbose "check_effective_target_dfp_nocache: returning $ret" 2
1304 proc check_effective_target_dfprt_nocache { } {
1305 return [check_runtime_nocache dfprt {
1306 typedef float d64 __attribute__((mode(DD)));
1307 d64 x = 1.2df, y = 2.3dd, z;
1308 int main () { z = x + y; return 0; }
1312 # Return 1 if the target supports compiling Decimal Floating Point,
1315 # This won't change for different subtargets so cache the result.
1317 proc check_effective_target_dfp { } {
1318 return [check_cached_effective_target dfp {
1319 check_effective_target_dfp_nocache
1323 # Return 1 if the target supports linking and executing Decimal Floating
1324 # Point, # 0 otherwise.
1326 # This won't change for different subtargets so cache the result.
1328 proc check_effective_target_dfprt { } {
1329 return [check_cached_effective_target dfprt {
1330 check_effective_target_dfprt_nocache
1334 # Return 1 if the target needs a command line argument to enable a SIMD
1337 proc check_effective_target_vect_cmdline_needed { } {
1338 global et_vect_cmdline_needed_saved
1339 global et_vect_cmdline_needed_target_name
1341 if { ![info exists et_vect_cmdline_needed_target_name] } {
1342 set et_vect_cmdline_needed_target_name ""
1345 # If the target has changed since we set the cached value, clear it.
1346 set current_target [current_target_name]
1347 if { $current_target != $et_vect_cmdline_needed_target_name } {
1348 verbose "check_effective_target_vect_cmdline_needed: `$et_vect_cmdline_needed_target_name' `$current_target'" 2
1349 set et_vect_cmdline_needed_target_name $current_target
1350 if { [info exists et_vect_cmdline_needed_saved] } {
1351 verbose "check_effective_target_vect_cmdline_needed: removing cached result" 2
1352 unset et_vect_cmdline_needed_saved
1356 if [info exists et_vect_cmdline_needed_saved] {
1357 verbose "check_effective_target_vect_cmdline_needed: using cached result" 2
1359 set et_vect_cmdline_needed_saved 1
1360 if { [istarget alpha*-*-*]
1361 || [istarget ia64-*-*]
1362 || (([istarget x86_64-*-*] || [istarget i?86-*-*])
1363 && [check_effective_target_lp64])
1364 || ([istarget powerpc*-*-*]
1365 && ([check_effective_target_powerpc_spe]
1366 || [check_effective_target_powerpc_altivec]))
1367 || [istarget spu-*-*]
1368 || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } {
1369 set et_vect_cmdline_needed_saved 0
1373 verbose "check_effective_target_vect_cmdline_needed: returning $et_vect_cmdline_needed_saved" 2
1374 return $et_vect_cmdline_needed_saved
1377 # Return 1 if the target supports hardware vectors of int, 0 otherwise.
1379 # This won't change for different subtargets so cache the result.
1381 proc check_effective_target_vect_int { } {
1382 global et_vect_int_saved
1384 if [info exists et_vect_int_saved] {
1385 verbose "check_effective_target_vect_int: using cached result" 2
1387 set et_vect_int_saved 0
1388 if { [istarget i?86-*-*]
1389 || ([istarget powerpc*-*-*]
1390 && ![istarget powerpc-*-linux*paired*])
1391 || [istarget spu-*-*]
1392 || [istarget x86_64-*-*]
1393 || [istarget sparc*-*-*]
1394 || [istarget alpha*-*-*]
1395 || [istarget ia64-*-*]
1396 || [check_effective_target_arm32] } {
1397 set et_vect_int_saved 1
1401 verbose "check_effective_target_vect_int: returning $et_vect_int_saved" 2
1402 return $et_vect_int_saved
1405 # Return 1 if the target supports signed int->float conversion
1408 proc check_effective_target_vect_intfloat_cvt { } {
1409 global et_vect_intfloat_cvt_saved
1411 if [info exists et_vect_intfloat_cvt_saved] {
1412 verbose "check_effective_target_vect_intfloat_cvt: using cached result" 2
1414 set et_vect_intfloat_cvt_saved 0
1415 if { [istarget i?86-*-*]
1416 || ([istarget powerpc*-*-*]
1417 && ![istarget powerpc-*-linux*paired*])
1418 || [istarget x86_64-*-*] } {
1419 set et_vect_intfloat_cvt_saved 1
1423 verbose "check_effective_target_vect_intfloat_cvt: returning $et_vect_intfloat_cvt_saved" 2
1424 return $et_vect_intfloat_cvt_saved
1428 # Return 1 if the target supports unsigned int->float conversion
1431 proc check_effective_target_vect_uintfloat_cvt { } {
1432 global et_vect_uintfloat_cvt_saved
1434 if [info exists et_vect_uintfloat_cvt_saved] {
1435 verbose "check_effective_target_vect_uintfloat_cvt: using cached result" 2
1437 set et_vect_uintfloat_cvt_saved 0
1438 if { [istarget i?86-*-*]
1439 || ([istarget powerpc*-*-*]
1440 && ![istarget powerpc-*-linux*paired*])
1441 || [istarget x86_64-*-*] } {
1442 set et_vect_uintfloat_cvt_saved 1
1446 verbose "check_effective_target_vect_uintfloat_cvt: returning $et_vect_uintfloat_cvt_saved" 2
1447 return $et_vect_uintfloat_cvt_saved
1451 # Return 1 if the target supports signed float->int conversion
1454 proc check_effective_target_vect_floatint_cvt { } {
1455 global et_vect_floatint_cvt_saved
1457 if [info exists et_vect_floatint_cvt_saved] {
1458 verbose "check_effective_target_vect_floatint_cvt: using cached result" 2
1460 set et_vect_floatint_cvt_saved 0
1461 if { [istarget i?86-*-*]
1462 || ([istarget powerpc*-*-*]
1463 && ![istarget powerpc-*-linux*paired*])
1464 || [istarget x86_64-*-*] } {
1465 set et_vect_floatint_cvt_saved 1
1469 verbose "check_effective_target_vect_floatint_cvt: returning $et_vect_floatint_cvt_saved" 2
1470 return $et_vect_floatint_cvt_saved
1473 # Return 1 if the target supports unsigned float->int conversion
1476 proc check_effective_target_vect_floatuint_cvt { } {
1477 global et_vect_floatuint_cvt_saved
1479 if [info exists et_vect_floatuint_cvt_saved] {
1480 verbose "check_effective_target_vect_floatuint_cvt: using cached result" 2
1482 set et_vect_floatuint_cvt_saved 0
1483 if { ([istarget powerpc*-*-*]
1484 && ![istarget powerpc-*-linux*paired*]) } {
1485 set et_vect_floatuint_cvt_saved 1
1489 verbose "check_effective_target_vect_floatuint_cvt: returning $et_vect_floatuint_cvt_saved" 2
1490 return $et_vect_floatuint_cvt_saved
1493 # Return 1 is this is an arm target using 32-bit instructions
1494 proc check_effective_target_arm32 { } {
1495 return [check_no_compiler_messages arm32 assembly {
1496 #if !defined(__arm__) || (defined(__thumb__) && !defined(__thumb2__))
1502 # Return 1 if this is an ARM target supporting -mfpu=vfp
1503 # -mfloat-abi=softfp. Some multilibs may be incompatible with these
1506 proc check_effective_target_arm_vfp_ok { } {
1507 if { [check_effective_target_arm32] } {
1508 return [check_no_compiler_messages arm_vfp_ok object {
1510 } "-mfpu=vfp -mfloat-abi=softfp"]
1516 # Return 1 if this is an ARM target supporting -mfpu=vfp
1517 # -mfloat-abi=hard. Some multilibs may be incompatible with these
1520 proc check_effective_target_arm_hard_vfp_ok { } {
1521 if { [check_effective_target_arm32] } {
1522 return [check_no_compiler_messages arm_hard_vfp_ok executable {
1523 int main() { return 0;}
1524 } "-mfpu=vfp -mfloat-abi=hard"]
1530 # Return 1 if this is an ARM target supporting -mfpu=neon
1531 # -mfloat-abi=softfp. Some multilibs may be incompatible with these
1534 proc check_effective_target_arm_neon_ok { } {
1535 if { [check_effective_target_arm32] } {
1536 return [check_no_compiler_messages arm_neon_ok object {
1537 #include "arm_neon.h"
1539 } "-mfpu=neon -mfloat-abi=softfp"]
1545 # Return 1 is this is an ARM target where -mthumb causes Thumb-1 to be
1548 proc check_effective_target_arm_thumb1_ok { } {
1549 return [check_no_compiler_messages arm_thumb1_ok assembly {
1550 #if !defined(__arm__) || !defined(__thumb__) || defined(__thumb2__)
1556 # Return 1 is this is an ARM target where -mthumb causes Thumb-2 to be
1559 proc check_effective_target_arm_thumb2_ok { } {
1560 return [check_no_compiler_messages arm_thumb2_ok assembly {
1561 #if !defined(__thumb2__)
1567 # Return 1 if the target supports executing NEON instructions, 0
1568 # otherwise. Cache the result.
1570 proc check_effective_target_arm_neon_hw { } {
1571 return [check_runtime arm_neon_hw_available {
1575 long long a = 0, b = 1;
1576 asm ("vorr %P0, %P1, %P2"
1578 : "0" (a), "w" (b));
1581 } "-mfpu=neon -mfloat-abi=softfp"]
1584 # Return 1 if this is a ARM target with NEON enabled.
1586 proc check_effective_target_arm_neon { } {
1587 if { [check_effective_target_arm32] } {
1588 return [check_no_compiler_messages arm_neon object {
1589 #ifndef __ARM_NEON__
1600 # Return 1 if this a Loongson-2E or -2F target using an ABI that supports
1601 # the Loongson vector modes.
1603 proc check_effective_target_mips_loongson { } {
1604 return [check_no_compiler_messages loongson assembly {
1605 #if !defined(__mips_loongson_vector_rev)
1611 # Return 1 if this is an ARM target that adheres to the ABI for the ARM
1614 proc check_effective_target_arm_eabi { } {
1615 return [check_no_compiler_messages arm_eabi object {
1616 #ifndef __ARM_EABI__
1624 # Return 1 if this is an ARM target supporting -mcpu=iwmmxt.
1625 # Some multilibs may be incompatible with this option.
1627 proc check_effective_target_arm_iwmmxt_ok { } {
1628 if { [check_effective_target_arm32] } {
1629 return [check_no_compiler_messages arm_iwmmxt_ok object {
1637 # Return 1 if this is a PowerPC target with floating-point registers.
1639 proc check_effective_target_powerpc_fprs { } {
1640 if { [istarget powerpc*-*-*]
1641 || [istarget rs6000-*-*] } {
1642 return [check_no_compiler_messages powerpc_fprs object {
1654 # Return 1 if this is a PowerPC target with hardware double-precision
1657 proc check_effective_target_powerpc_hard_double { } {
1658 if { [istarget powerpc*-*-*]
1659 || [istarget rs6000-*-*] } {
1660 return [check_no_compiler_messages powerpc_hard_double object {
1672 # Return 1 if this is a PowerPC target supporting -maltivec.
1674 proc check_effective_target_powerpc_altivec_ok { } {
1675 if { ([istarget powerpc*-*-*]
1676 && ![istarget powerpc-*-linux*paired*])
1677 || [istarget rs6000-*-*] } {
1678 # AltiVec is not supported on AIX before 5.3.
1679 if { [istarget powerpc*-*-aix4*]
1680 || [istarget powerpc*-*-aix5.1*]
1681 || [istarget powerpc*-*-aix5.2*] } {
1684 return [check_no_compiler_messages powerpc_altivec_ok object {
1692 # Return 1 if this is a PowerPC target supporting -mvsx
1694 proc check_effective_target_powerpc_vsx_ok { } {
1695 if { ([istarget powerpc*-*-*]
1696 && ![istarget powerpc-*-linux*paired*])
1697 || [istarget rs6000-*-*] } {
1698 # AltiVec is not supported on AIX before 5.3.
1699 if { [istarget powerpc*-*-aix4*]
1700 || [istarget powerpc*-*-aix5.1*]
1701 || [istarget powerpc*-*-aix5.2*] } {
1704 return [check_no_compiler_messages powerpc_vsx_ok object {
1707 asm volatile ("xxlor vs0,vs0,vs0");
1709 asm volatile ("xxlor 0,0,0");
1719 # Return 1 if this is a PowerPC target supporting -mcpu=cell.
1721 proc check_effective_target_powerpc_ppu_ok { } {
1722 if [check_effective_target_powerpc_altivec_ok] {
1723 return [check_no_compiler_messages cell_asm_available object {
1726 asm volatile ("lvlx v0,v0,v0");
1728 asm volatile ("lvlx 0,0,0");
1738 # Return 1 if this is a PowerPC target that supports SPU.
1740 proc check_effective_target_powerpc_spu { } {
1741 if [istarget powerpc*-*-linux*] {
1742 return [check_effective_target_powerpc_altivec_ok]
1748 # Return 1 if this is a PowerPC SPE target. The check includes options
1749 # specified by dg-options for this test, so don't cache the result.
1751 proc check_effective_target_powerpc_spe_nocache { } {
1752 if { [istarget powerpc*-*-*] } {
1753 return [check_no_compiler_messages_nocache powerpc_spe object {
1759 } [current_compiler_flags]]
1765 # Return 1 if this is a PowerPC target with SPE enabled.
1767 proc check_effective_target_powerpc_spe { } {
1768 if { [istarget powerpc*-*-*] } {
1769 return [check_no_compiler_messages powerpc_spe object {
1781 # Return 1 if this is a PowerPC target with Altivec enabled.
1783 proc check_effective_target_powerpc_altivec { } {
1784 if { [istarget powerpc*-*-*] } {
1785 return [check_no_compiler_messages powerpc_altivec object {
1797 # Return 1 if this is a PowerPC 405 target. The check includes options
1798 # specified by dg-options for this test, so don't cache the result.
1800 proc check_effective_target_powerpc_405_nocache { } {
1801 if { [istarget powerpc*-*-*] || [istarget rs6000-*-*] } {
1802 return [check_no_compiler_messages_nocache powerpc_405 object {
1808 } [current_compiler_flags]]
1814 # Return 1 if this is a SPU target with a toolchain that
1815 # supports automatic overlay generation.
1817 proc check_effective_target_spu_auto_overlay { } {
1818 if { [istarget spu*-*-elf*] } {
1819 return [check_no_compiler_messages spu_auto_overlay executable {
1821 } "-Wl,--auto-overlay" ]
1827 # The VxWorks SPARC simulator accepts only EM_SPARC executables and
1828 # chokes on EM_SPARC32PLUS or EM_SPARCV9 executables. Return 1 if the
1829 # test environment appears to run executables on such a simulator.
1831 proc check_effective_target_ultrasparc_hw { } {
1832 return [check_runtime ultrasparc_hw {
1833 int main() { return 0; }
1834 } "-mcpu=ultrasparc"]
1837 # Return 1 if the target supports hardware vector shift operation.
1839 proc check_effective_target_vect_shift { } {
1840 global et_vect_shift_saved
1842 if [info exists et_vect_shift_saved] {
1843 verbose "check_effective_target_vect_shift: using cached result" 2
1845 set et_vect_shift_saved 0
1846 if { ([istarget powerpc*-*-*]
1847 && ![istarget powerpc-*-linux*paired*])
1848 || [istarget ia64-*-*]
1849 || [istarget i?86-*-*]
1850 || [istarget x86_64-*-*]
1851 || [check_effective_target_arm32] } {
1852 set et_vect_shift_saved 1
1856 verbose "check_effective_target_vect_shift: returning $et_vect_shift_saved" 2
1857 return $et_vect_shift_saved
1860 # Return 1 if the target supports hardware vectors of long, 0 otherwise.
1862 # This can change for different subtargets so do not cache the result.
1864 proc check_effective_target_vect_long { } {
1865 if { [istarget i?86-*-*]
1866 || (([istarget powerpc*-*-*]
1867 && ![istarget powerpc-*-linux*paired*])
1868 && [check_effective_target_ilp32])
1869 || [istarget x86_64-*-*]
1870 || [check_effective_target_arm32]
1871 || ([istarget sparc*-*-*] && [check_effective_target_ilp32]) } {
1877 verbose "check_effective_target_vect_long: returning $answer" 2
1881 # Return 1 if the target supports hardware vectors of float, 0 otherwise.
1883 # This won't change for different subtargets so cache the result.
1885 proc check_effective_target_vect_float { } {
1886 global et_vect_float_saved
1888 if [info exists et_vect_float_saved] {
1889 verbose "check_effective_target_vect_float: using cached result" 2
1891 set et_vect_float_saved 0
1892 if { [istarget i?86-*-*]
1893 || [istarget powerpc*-*-*]
1894 || [istarget spu-*-*]
1895 || [istarget mipsisa64*-*-*]
1896 || [istarget x86_64-*-*]
1897 || [istarget ia64-*-*]
1898 || [check_effective_target_arm32] } {
1899 set et_vect_float_saved 1
1903 verbose "check_effective_target_vect_float: returning $et_vect_float_saved" 2
1904 return $et_vect_float_saved
1907 # Return 1 if the target supports hardware vectors of double, 0 otherwise.
1909 # This won't change for different subtargets so cache the result.
1911 proc check_effective_target_vect_double { } {
1912 global et_vect_double_saved
1914 if [info exists et_vect_double_saved] {
1915 verbose "check_effective_target_vect_double: using cached result" 2
1917 set et_vect_double_saved 0
1918 if { [istarget i?86-*-*]
1919 || [istarget x86_64-*-*]
1920 || [istarget spu-*-*] } {
1921 set et_vect_double_saved 1
1925 verbose "check_effective_target_vect_double: returning $et_vect_double_saved" 2
1926 return $et_vect_double_saved
1929 # Return 1 if the target supports hardware vectors of long long, 0 otherwise.
1931 # This won't change for different subtargets so cache the result.
1933 proc check_effective_target_vect_long_long { } {
1934 global et_vect_long_long_saved
1936 if [info exists et_vect_long_long_saved] {
1937 verbose "check_effective_target_vect_long_long: using cached result" 2
1939 set et_vect_long_long_saved 0
1940 if { [istarget i?86-*-*]
1941 || [istarget x86_64-*-*] } {
1942 set et_vect_long_long_saved 1
1946 verbose "check_effective_target_vect_long_long: returning $et_vect_long_long_saved" 2
1947 return $et_vect_long_long_saved
1951 # Return 1 if the target plus current options does not support a vector
1952 # max instruction on "int", 0 otherwise.
1954 # This won't change for different subtargets so cache the result.
1956 proc check_effective_target_vect_no_int_max { } {
1957 global et_vect_no_int_max_saved
1959 if [info exists et_vect_no_int_max_saved] {
1960 verbose "check_effective_target_vect_no_int_max: using cached result" 2
1962 set et_vect_no_int_max_saved 0
1963 if { [istarget sparc*-*-*]
1964 || [istarget spu-*-*]
1965 || [istarget alpha*-*-*] } {
1966 set et_vect_no_int_max_saved 1
1969 verbose "check_effective_target_vect_no_int_max: returning $et_vect_no_int_max_saved" 2
1970 return $et_vect_no_int_max_saved
1973 # Return 1 if the target plus current options does not support a vector
1974 # add instruction on "int", 0 otherwise.
1976 # This won't change for different subtargets so cache the result.
1978 proc check_effective_target_vect_no_int_add { } {
1979 global et_vect_no_int_add_saved
1981 if [info exists et_vect_no_int_add_saved] {
1982 verbose "check_effective_target_vect_no_int_add: using cached result" 2
1984 set et_vect_no_int_add_saved 0
1985 # Alpha only supports vector add on V8QI and V4HI.
1986 if { [istarget alpha*-*-*] } {
1987 set et_vect_no_int_add_saved 1
1990 verbose "check_effective_target_vect_no_int_add: returning $et_vect_no_int_add_saved" 2
1991 return $et_vect_no_int_add_saved
1994 # Return 1 if the target plus current options does not support vector
1995 # bitwise instructions, 0 otherwise.
1997 # This won't change for different subtargets so cache the result.
1999 proc check_effective_target_vect_no_bitwise { } {
2000 global et_vect_no_bitwise_saved
2002 if [info exists et_vect_no_bitwise_saved] {
2003 verbose "check_effective_target_vect_no_bitwise: using cached result" 2
2005 set et_vect_no_bitwise_saved 0
2007 verbose "check_effective_target_vect_no_bitwise: returning $et_vect_no_bitwise_saved" 2
2008 return $et_vect_no_bitwise_saved
2011 # Return 1 if the target plus current options supports vector permutation,
2014 # This won't change for different subtargets so cache the result.
2016 proc check_effective_target_vect_perm { } {
2019 if [info exists et_vect_perm_saved] {
2020 verbose "check_effective_target_vect_perm: using cached result" 2
2022 set et_vect_perm_saved 0
2023 if { [istarget powerpc*-*-*]
2024 || [istarget spu-*-*] } {
2025 set et_vect_perm_saved 1
2028 verbose "check_effective_target_vect_perm: returning $et_vect_perm_saved" 2
2029 return $et_vect_perm_saved
2033 # Return 1 if the target plus current options supports a vector
2034 # widening summation of *short* args into *int* result, 0 otherwise.
2035 # A target can also support this widening summation if it can support
2036 # promotion (unpacking) from shorts to ints.
2038 # This won't change for different subtargets so cache the result.
2040 proc check_effective_target_vect_widen_sum_hi_to_si { } {
2041 global et_vect_widen_sum_hi_to_si
2043 if [info exists et_vect_widen_sum_hi_to_si_saved] {
2044 verbose "check_effective_target_vect_widen_sum_hi_to_si: using cached result" 2
2046 set et_vect_widen_sum_hi_to_si_saved [check_effective_target_vect_unpack]
2047 if { [istarget powerpc*-*-*]
2048 || [istarget ia64-*-*] } {
2049 set et_vect_widen_sum_hi_to_si_saved 1
2052 verbose "check_effective_target_vect_widen_sum_hi_to_si: returning $et_vect_widen_sum_hi_to_si_saved" 2
2053 return $et_vect_widen_sum_hi_to_si_saved
2056 # Return 1 if the target plus current options supports a vector
2057 # widening summation of *char* args into *short* result, 0 otherwise.
2058 # A target can also support this widening summation if it can support
2059 # promotion (unpacking) from chars to shorts.
2061 # This won't change for different subtargets so cache the result.
2063 proc check_effective_target_vect_widen_sum_qi_to_hi { } {
2064 global et_vect_widen_sum_qi_to_hi
2066 if [info exists et_vect_widen_sum_qi_to_hi_saved] {
2067 verbose "check_effective_target_vect_widen_sum_qi_to_hi: using cached result" 2
2069 set et_vect_widen_sum_qi_to_hi_saved 0
2070 if { [check_effective_target_vect_unpack]
2071 || [istarget ia64-*-*] } {
2072 set et_vect_widen_sum_qi_to_hi_saved 1
2075 verbose "check_effective_target_vect_widen_sum_qi_to_hi: returning $et_vect_widen_sum_qi_to_hi_saved" 2
2076 return $et_vect_widen_sum_qi_to_hi_saved
2079 # Return 1 if the target plus current options supports a vector
2080 # widening summation of *char* args into *int* result, 0 otherwise.
2082 # This won't change for different subtargets so cache the result.
2084 proc check_effective_target_vect_widen_sum_qi_to_si { } {
2085 global et_vect_widen_sum_qi_to_si
2087 if [info exists et_vect_widen_sum_qi_to_si_saved] {
2088 verbose "check_effective_target_vect_widen_sum_qi_to_si: using cached result" 2
2090 set et_vect_widen_sum_qi_to_si_saved 0
2091 if { [istarget powerpc*-*-*] } {
2092 set et_vect_widen_sum_qi_to_si_saved 1
2095 verbose "check_effective_target_vect_widen_sum_qi_to_si: returning $et_vect_widen_sum_qi_to_si_saved" 2
2096 return $et_vect_widen_sum_qi_to_si_saved
2099 # Return 1 if the target plus current options supports a vector
2100 # widening multiplication of *char* args into *short* result, 0 otherwise.
2101 # A target can also support this widening multplication if it can support
2102 # promotion (unpacking) from chars to shorts, and vect_short_mult (non-widening
2103 # multiplication of shorts).
2105 # This won't change for different subtargets so cache the result.
2108 proc check_effective_target_vect_widen_mult_qi_to_hi { } {
2109 global et_vect_widen_mult_qi_to_hi
2111 if [info exists et_vect_widen_mult_qi_to_hi_saved] {
2112 verbose "check_effective_target_vect_widen_mult_qi_to_hi: using cached result" 2
2114 if { [check_effective_target_vect_unpack]
2115 && [check_effective_target_vect_short_mult] } {
2116 set et_vect_widen_mult_qi_to_hi_saved 1
2118 set et_vect_widen_mult_qi_to_hi_saved 0
2120 if { [istarget powerpc*-*-*] } {
2121 set et_vect_widen_mult_qi_to_hi_saved 1
2124 verbose "check_effective_target_vect_widen_mult_qi_to_hi: returning $et_vect_widen_mult_qi_to_hi_saved" 2
2125 return $et_vect_widen_mult_qi_to_hi_saved
2128 # Return 1 if the target plus current options supports a vector
2129 # widening multiplication of *short* args into *int* result, 0 otherwise.
2130 # A target can also support this widening multplication if it can support
2131 # promotion (unpacking) from shorts to ints, and vect_int_mult (non-widening
2132 # multiplication of ints).
2134 # This won't change for different subtargets so cache the result.
2137 proc check_effective_target_vect_widen_mult_hi_to_si { } {
2138 global et_vect_widen_mult_hi_to_si
2140 if [info exists et_vect_widen_mult_hi_to_si_saved] {
2141 verbose "check_effective_target_vect_widen_mult_hi_to_si: using cached result" 2
2143 if { [check_effective_target_vect_unpack]
2144 && [check_effective_target_vect_int_mult] } {
2145 set et_vect_widen_mult_hi_to_si_saved 1
2147 set et_vect_widen_mult_hi_to_si_saved 0
2149 if { [istarget powerpc*-*-*]
2150 || [istarget spu-*-*]
2151 || [istarget i?86-*-*]
2152 || [istarget x86_64-*-*] } {
2153 set et_vect_widen_mult_hi_to_si_saved 1
2156 verbose "check_effective_target_vect_widen_mult_hi_to_si: returning $et_vect_widen_mult_hi_to_si_saved" 2
2157 return $et_vect_widen_mult_hi_to_si_saved
2160 # Return 1 if the target plus current options supports a vector
2161 # dot-product of signed chars, 0 otherwise.
2163 # This won't change for different subtargets so cache the result.
2165 proc check_effective_target_vect_sdot_qi { } {
2166 global et_vect_sdot_qi
2168 if [info exists et_vect_sdot_qi_saved] {
2169 verbose "check_effective_target_vect_sdot_qi: using cached result" 2
2171 set et_vect_sdot_qi_saved 0
2173 verbose "check_effective_target_vect_sdot_qi: returning $et_vect_sdot_qi_saved" 2
2174 return $et_vect_sdot_qi_saved
2177 # Return 1 if the target plus current options supports a vector
2178 # dot-product of unsigned chars, 0 otherwise.
2180 # This won't change for different subtargets so cache the result.
2182 proc check_effective_target_vect_udot_qi { } {
2183 global et_vect_udot_qi
2185 if [info exists et_vect_udot_qi_saved] {
2186 verbose "check_effective_target_vect_udot_qi: using cached result" 2
2188 set et_vect_udot_qi_saved 0
2189 if { [istarget powerpc*-*-*] } {
2190 set et_vect_udot_qi_saved 1
2193 verbose "check_effective_target_vect_udot_qi: returning $et_vect_udot_qi_saved" 2
2194 return $et_vect_udot_qi_saved
2197 # Return 1 if the target plus current options supports a vector
2198 # dot-product of signed shorts, 0 otherwise.
2200 # This won't change for different subtargets so cache the result.
2202 proc check_effective_target_vect_sdot_hi { } {
2203 global et_vect_sdot_hi
2205 if [info exists et_vect_sdot_hi_saved] {
2206 verbose "check_effective_target_vect_sdot_hi: using cached result" 2
2208 set et_vect_sdot_hi_saved 0
2209 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2210 || [istarget i?86-*-*]
2211 || [istarget x86_64-*-*] } {
2212 set et_vect_sdot_hi_saved 1
2215 verbose "check_effective_target_vect_sdot_hi: returning $et_vect_sdot_hi_saved" 2
2216 return $et_vect_sdot_hi_saved
2219 # Return 1 if the target plus current options supports a vector
2220 # dot-product of unsigned shorts, 0 otherwise.
2222 # This won't change for different subtargets so cache the result.
2224 proc check_effective_target_vect_udot_hi { } {
2225 global et_vect_udot_hi
2227 if [info exists et_vect_udot_hi_saved] {
2228 verbose "check_effective_target_vect_udot_hi: using cached result" 2
2230 set et_vect_udot_hi_saved 0
2231 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) } {
2232 set et_vect_udot_hi_saved 1
2235 verbose "check_effective_target_vect_udot_hi: returning $et_vect_udot_hi_saved" 2
2236 return $et_vect_udot_hi_saved
2240 # Return 1 if the target plus current options supports a vector
2241 # demotion (packing) of shorts (to chars) and ints (to shorts)
2242 # using modulo arithmetic, 0 otherwise.
2244 # This won't change for different subtargets so cache the result.
2246 proc check_effective_target_vect_pack_trunc { } {
2247 global et_vect_pack_trunc
2249 if [info exists et_vect_pack_trunc_saved] {
2250 verbose "check_effective_target_vect_pack_trunc: using cached result" 2
2252 set et_vect_pack_trunc_saved 0
2253 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2254 || [istarget i?86-*-*]
2255 || [istarget x86_64-*-*]
2256 || [istarget spu-*-*] } {
2257 set et_vect_pack_trunc_saved 1
2260 verbose "check_effective_target_vect_pack_trunc: returning $et_vect_pack_trunc_saved" 2
2261 return $et_vect_pack_trunc_saved
2264 # Return 1 if the target plus current options supports a vector
2265 # promotion (unpacking) of chars (to shorts) and shorts (to ints), 0 otherwise.
2267 # This won't change for different subtargets so cache the result.
2269 proc check_effective_target_vect_unpack { } {
2270 global et_vect_unpack
2272 if [info exists et_vect_unpack_saved] {
2273 verbose "check_effective_target_vect_unpack: using cached result" 2
2275 set et_vect_unpack_saved 0
2276 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*paired*])
2277 || [istarget i?86-*-*]
2278 || [istarget x86_64-*-*]
2279 || [istarget spu-*-*] } {
2280 set et_vect_unpack_saved 1
2283 verbose "check_effective_target_vect_unpack: returning $et_vect_unpack_saved" 2
2284 return $et_vect_unpack_saved
2287 # Return 1 if the target plus current options does not guarantee
2288 # that its STACK_BOUNDARY is >= the reguired vector alignment.
2290 # This won't change for different subtargets so cache the result.
2292 proc check_effective_target_unaligned_stack { } {
2293 global et_unaligned_stack_saved
2295 if [info exists et_unaligned_stack_saved] {
2296 verbose "check_effective_target_unaligned_stack: using cached result" 2
2298 set et_unaligned_stack_saved 0
2300 verbose "check_effective_target_unaligned_stack: returning $et_unaligned_stack_saved" 2
2301 return $et_unaligned_stack_saved
2304 # Return 1 if the target plus current options does not support a vector
2305 # alignment mechanism, 0 otherwise.
2307 # This won't change for different subtargets so cache the result.
2309 proc check_effective_target_vect_no_align { } {
2310 global et_vect_no_align_saved
2312 if [info exists et_vect_no_align_saved] {
2313 verbose "check_effective_target_vect_no_align: using cached result" 2
2315 set et_vect_no_align_saved 0
2316 if { [istarget mipsisa64*-*-*]
2317 || [istarget sparc*-*-*]
2318 || [istarget ia64-*-*]
2319 || [check_effective_target_arm32] } {
2320 set et_vect_no_align_saved 1
2323 verbose "check_effective_target_vect_no_align: returning $et_vect_no_align_saved" 2
2324 return $et_vect_no_align_saved
2327 # Return 1 if the target supports a vector misalign access, 0 otherwise.
2329 # This won't change for different subtargets so cache the result.
2331 proc check_effective_target_vect_hw_misalign { } {
2332 global et_vect_hw_misalign_saved
2334 if [info exists et_vect_hw_misalign_saved] {
2335 verbose "check_effective_target_vect_hw_misalign: using cached result" 2
2337 set et_vect_hw_misalign_saved 0
2338 if { ([istarget x86_64-*-*]
2339 || [istarget i?86-*-*]) } {
2340 set et_vect_hw_misalign_saved 1
2343 verbose "check_effective_target_vect_hw_misalign: returning $et_vect_hw_misalign_saved" 2
2344 return $et_vect_hw_misalign_saved
2348 # Return 1 if arrays are aligned to the vector alignment
2349 # boundary, 0 otherwise.
2351 # This won't change for different subtargets so cache the result.
2353 proc check_effective_target_vect_aligned_arrays { } {
2354 global et_vect_aligned_arrays
2356 if [info exists et_vect_aligned_arrays_saved] {
2357 verbose "check_effective_target_vect_aligned_arrays: using cached result" 2
2359 set et_vect_aligned_arrays_saved 0
2360 if { (([istarget x86_64-*-*]
2361 || [istarget i?86-*-*]) && [is-effective-target lp64])
2362 || [istarget spu-*-*] } {
2363 set et_vect_aligned_arrays_saved 1
2366 verbose "check_effective_target_vect_aligned_arrays: returning $et_vect_aligned_arrays_saved" 2
2367 return $et_vect_aligned_arrays_saved
2370 # Return 1 if types of size 32 bit or less are naturally aligned
2371 # (aligned to their type-size), 0 otherwise.
2373 # This won't change for different subtargets so cache the result.
2375 proc check_effective_target_natural_alignment_32 { } {
2376 global et_natural_alignment_32
2378 if [info exists et_natural_alignment_32_saved] {
2379 verbose "check_effective_target_natural_alignment_32: using cached result" 2
2381 # FIXME: 32bit powerpc: guaranteed only if MASK_ALIGN_NATURAL/POWER.
2382 set et_natural_alignment_32_saved 1
2383 if { ([istarget *-*-darwin*] && [is-effective-target lp64]) } {
2384 set et_natural_alignment_32_saved 0
2387 verbose "check_effective_target_natural_alignment_32: returning $et_natural_alignment_32_saved" 2
2388 return $et_natural_alignment_32_saved
2391 # Return 1 if types of size 64 bit or less are naturally aligned (aligned to their
2392 # type-size), 0 otherwise.
2394 # This won't change for different subtargets so cache the result.
2396 proc check_effective_target_natural_alignment_64 { } {
2397 global et_natural_alignment_64
2399 if [info exists et_natural_alignment_64_saved] {
2400 verbose "check_effective_target_natural_alignment_64: using cached result" 2
2402 set et_natural_alignment_64_saved 0
2403 if { ([is-effective-target lp64] && ![istarget *-*-darwin*])
2404 || [istarget spu-*-*] } {
2405 set et_natural_alignment_64_saved 1
2408 verbose "check_effective_target_natural_alignment_64: returning $et_natural_alignment_64_saved" 2
2409 return $et_natural_alignment_64_saved
2412 # Return 1 if vector alignment (for types of size 32 bit or less) is reachable, 0 otherwise.
2414 # This won't change for different subtargets so cache the result.
2416 proc check_effective_target_vector_alignment_reachable { } {
2417 global et_vector_alignment_reachable
2419 if [info exists et_vector_alignment_reachable_saved] {
2420 verbose "check_effective_target_vector_alignment_reachable: using cached result" 2
2422 if { [check_effective_target_vect_aligned_arrays]
2423 || [check_effective_target_natural_alignment_32] } {
2424 set et_vector_alignment_reachable_saved 1
2426 set et_vector_alignment_reachable_saved 0
2429 verbose "check_effective_target_vector_alignment_reachable: returning $et_vector_alignment_reachable_saved" 2
2430 return $et_vector_alignment_reachable_saved
2433 # Return 1 if vector alignment for 64 bit is reachable, 0 otherwise.
2435 # This won't change for different subtargets so cache the result.
2437 proc check_effective_target_vector_alignment_reachable_for_64bit { } {
2438 global et_vector_alignment_reachable_for_64bit
2440 if [info exists et_vector_alignment_reachable_for_64bit_saved] {
2441 verbose "check_effective_target_vector_alignment_reachable_for_64bit: using cached result" 2
2443 if { [check_effective_target_vect_aligned_arrays]
2444 || [check_effective_target_natural_alignment_64] } {
2445 set et_vector_alignment_reachable_for_64bit_saved 1
2447 set et_vector_alignment_reachable_for_64bit_saved 0
2450 verbose "check_effective_target_vector_alignment_reachable_for_64bit: returning $et_vector_alignment_reachable_for_64bit_saved" 2
2451 return $et_vector_alignment_reachable_for_64bit_saved
2454 # Return 1 if the target supports vector conditional operations, 0 otherwise.
2456 proc check_effective_target_vect_condition { } {
2457 global et_vect_cond_saved
2459 if [info exists et_vect_cond_saved] {
2460 verbose "check_effective_target_vect_cond: using cached result" 2
2462 set et_vect_cond_saved 0
2463 if { [istarget powerpc*-*-*]
2464 || [istarget ia64-*-*]
2465 || [istarget i?86-*-*]
2466 || [istarget spu-*-*]
2467 || [istarget x86_64-*-*] } {
2468 set et_vect_cond_saved 1
2472 verbose "check_effective_target_vect_cond: returning $et_vect_cond_saved" 2
2473 return $et_vect_cond_saved
2476 # Return 1 if the target supports vector char multiplication, 0 otherwise.
2478 proc check_effective_target_vect_char_mult { } {
2479 global et_vect_char_mult_saved
2481 if [info exists et_vect_char_mult_saved] {
2482 verbose "check_effective_target_vect_char_mult: using cached result" 2
2484 set et_vect_char_mult_saved 0
2485 if { [istarget ia64-*-*]
2486 || [istarget i?86-*-*]
2487 || [istarget x86_64-*-*] } {
2488 set et_vect_char_mult_saved 1
2492 verbose "check_effective_target_vect_char_mult: returning $et_vect_char_mult_saved" 2
2493 return $et_vect_char_mult_saved
2496 # Return 1 if the target supports vector short multiplication, 0 otherwise.
2498 proc check_effective_target_vect_short_mult { } {
2499 global et_vect_short_mult_saved
2501 if [info exists et_vect_short_mult_saved] {
2502 verbose "check_effective_target_vect_short_mult: using cached result" 2
2504 set et_vect_short_mult_saved 0
2505 if { [istarget ia64-*-*]
2506 || [istarget spu-*-*]
2507 || [istarget i?86-*-*]
2508 || [istarget x86_64-*-*]
2509 || [istarget powerpc*-*-*]
2510 || [check_effective_target_arm32] } {
2511 set et_vect_short_mult_saved 1
2515 verbose "check_effective_target_vect_short_mult: returning $et_vect_short_mult_saved" 2
2516 return $et_vect_short_mult_saved
2519 # Return 1 if the target supports vector int multiplication, 0 otherwise.
2521 proc check_effective_target_vect_int_mult { } {
2522 global et_vect_int_mult_saved
2524 if [info exists et_vect_int_mult_saved] {
2525 verbose "check_effective_target_vect_int_mult: using cached result" 2
2527 set et_vect_int_mult_saved 0
2528 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2529 || [istarget spu-*-*]
2530 || [istarget i?86-*-*]
2531 || [istarget x86_64-*-*]
2532 || [check_effective_target_arm32] } {
2533 set et_vect_int_mult_saved 1
2537 verbose "check_effective_target_vect_int_mult: returning $et_vect_int_mult_saved" 2
2538 return $et_vect_int_mult_saved
2541 # Return 1 if the target supports vector even/odd elements extraction, 0 otherwise.
2543 proc check_effective_target_vect_extract_even_odd { } {
2544 global et_vect_extract_even_odd_saved
2546 if [info exists et_vect_extract_even_odd_saved] {
2547 verbose "check_effective_target_vect_extract_even_odd: using cached result" 2
2549 set et_vect_extract_even_odd_saved 0
2550 if { [istarget powerpc*-*-*]
2551 || [istarget spu-*-*] } {
2552 set et_vect_extract_even_odd_saved 1
2556 verbose "check_effective_target_vect_extract_even_odd: returning $et_vect_extract_even_odd_saved" 2
2557 return $et_vect_extract_even_odd_saved
2560 # Return 1 if the target supports vector even/odd elements extraction of
2561 # vectors with SImode elements or larger, 0 otherwise.
2563 proc check_effective_target_vect_extract_even_odd_wide { } {
2564 global et_vect_extract_even_odd_wide_saved
2566 if [info exists et_vect_extract_even_odd_wide_saved] {
2567 verbose "check_effective_target_vect_extract_even_odd_wide: using cached result" 2
2569 set et_vect_extract_even_odd_wide_saved 0
2570 if { [istarget powerpc*-*-*]
2571 || [istarget i?86-*-*]
2572 || [istarget x86_64-*-*]
2573 || [istarget spu-*-*] } {
2574 set et_vect_extract_even_odd_wide_saved 1
2578 verbose "check_effective_target_vect_extract_even_wide_odd: returning $et_vect_extract_even_odd_wide_saved" 2
2579 return $et_vect_extract_even_odd_wide_saved
2582 # Return 1 if the target supports vector interleaving, 0 otherwise.
2584 proc check_effective_target_vect_interleave { } {
2585 global et_vect_interleave_saved
2587 if [info exists et_vect_interleave_saved] {
2588 verbose "check_effective_target_vect_interleave: using cached result" 2
2590 set et_vect_interleave_saved 0
2591 if { [istarget powerpc*-*-*]
2592 || [istarget i?86-*-*]
2593 || [istarget x86_64-*-*]
2594 || [istarget spu-*-*] } {
2595 set et_vect_interleave_saved 1
2599 verbose "check_effective_target_vect_interleave: returning $et_vect_interleave_saved" 2
2600 return $et_vect_interleave_saved
2603 # Return 1 if the target supports vector interleaving and extract even/odd, 0 otherwise.
2604 proc check_effective_target_vect_strided { } {
2605 global et_vect_strided_saved
2607 if [info exists et_vect_strided_saved] {
2608 verbose "check_effective_target_vect_strided: using cached result" 2
2610 set et_vect_strided_saved 0
2611 if { [check_effective_target_vect_interleave]
2612 && [check_effective_target_vect_extract_even_odd] } {
2613 set et_vect_strided_saved 1
2617 verbose "check_effective_target_vect_strided: returning $et_vect_strided_saved" 2
2618 return $et_vect_strided_saved
2621 # Return 1 if the target supports vector interleaving and extract even/odd
2622 # for wide element types, 0 otherwise.
2623 proc check_effective_target_vect_strided_wide { } {
2624 global et_vect_strided_wide_saved
2626 if [info exists et_vect_strided_wide_saved] {
2627 verbose "check_effective_target_vect_strided_wide: using cached result" 2
2629 set et_vect_strided_wide_saved 0
2630 if { [check_effective_target_vect_interleave]
2631 && [check_effective_target_vect_extract_even_odd_wide] } {
2632 set et_vect_strided_wide_saved 1
2636 verbose "check_effective_target_vect_strided_wide: returning $et_vect_strided_wide_saved" 2
2637 return $et_vect_strided_wide_saved
2640 # Return 1 if the target supports section-anchors
2642 proc check_effective_target_section_anchors { } {
2643 global et_section_anchors_saved
2645 if [info exists et_section_anchors_saved] {
2646 verbose "check_effective_target_section_anchors: using cached result" 2
2648 set et_section_anchors_saved 0
2649 if { [istarget powerpc*-*-*]
2650 || [istarget arm*-*-*] } {
2651 set et_section_anchors_saved 1
2655 verbose "check_effective_target_section_anchors: returning $et_section_anchors_saved" 2
2656 return $et_section_anchors_saved
2659 # Return 1 if the target supports atomic operations on "int" and "long".
2661 proc check_effective_target_sync_int_long { } {
2662 global et_sync_int_long_saved
2664 if [info exists et_sync_int_long_saved] {
2665 verbose "check_effective_target_sync_int_long: using cached result" 2
2667 set et_sync_int_long_saved 0
2668 # This is intentionally powerpc but not rs6000, rs6000 doesn't have the
2669 # load-reserved/store-conditional instructions.
2670 if { [istarget ia64-*-*]
2671 || [istarget i?86-*-*]
2672 || [istarget x86_64-*-*]
2673 || [istarget alpha*-*-*]
2674 || [istarget bfin*-*linux*]
2675 || [istarget s390*-*-*]
2676 || [istarget powerpc*-*-*]
2677 || [istarget sparc64-*-*]
2678 || [istarget sparcv9-*-*]
2679 || [istarget mips*-*-*] } {
2680 set et_sync_int_long_saved 1
2684 verbose "check_effective_target_sync_int_long: returning $et_sync_int_long_saved" 2
2685 return $et_sync_int_long_saved
2688 # Return 1 if the target supports atomic operations on "char" and "short".
2690 proc check_effective_target_sync_char_short { } {
2691 global et_sync_char_short_saved
2693 if [info exists et_sync_char_short_saved] {
2694 verbose "check_effective_target_sync_char_short: using cached result" 2
2696 set et_sync_char_short_saved 0
2697 # This is intentionally powerpc but not rs6000, rs6000 doesn't have the
2698 # load-reserved/store-conditional instructions.
2699 if { [istarget ia64-*-*]
2700 || [istarget i?86-*-*]
2701 || [istarget x86_64-*-*]
2702 || [istarget alpha*-*-*]
2703 || [istarget s390*-*-*]
2704 || [istarget powerpc*-*-*]
2705 || [istarget sparc64-*-*]
2706 || [istarget sparcv9-*-*]
2707 || [istarget mips*-*-*] } {
2708 set et_sync_char_short_saved 1
2712 verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2
2713 return $et_sync_char_short_saved
2716 # Return 1 if the target uses a ColdFire FPU.
2718 proc check_effective_target_coldfire_fpu { } {
2719 return [check_no_compiler_messages coldfire_fpu assembly {
2726 # Return true if this is a uClibc target.
2728 proc check_effective_target_uclibc {} {
2729 return [check_no_compiler_messages uclibc object {
2730 #include <features.h>
2731 #if !defined (__UCLIBC__)
2737 # Return true if this is a uclibc target and if the uclibc feature
2738 # described by __$feature__ is not present.
2740 proc check_missing_uclibc_feature {feature} {
2741 return [check_no_compiler_messages $feature object "
2742 #include <features.h>
2743 #if !defined (__UCLIBC) || defined (__${feature}__)
2749 # Return true if this is a Newlib target.
2751 proc check_effective_target_newlib {} {
2752 return [check_no_compiler_messages newlib object {
2758 # (a) an error of a few ULP is expected in string to floating-point
2759 # conversion functions; and
2760 # (b) overflow is not always detected correctly by those functions.
2762 proc check_effective_target_lax_strtofp {} {
2763 # By default, assume that all uClibc targets suffer from this.
2764 return [check_effective_target_uclibc]
2767 # Return 1 if this is a target for which wcsftime is a dummy
2768 # function that always returns 0.
2770 proc check_effective_target_dummy_wcsftime {} {
2771 # By default, assume that all uClibc targets suffer from this.
2772 return [check_effective_target_uclibc]
2775 # Return 1 if constructors with initialization priority arguments are
2776 # supposed on this target.
2778 proc check_effective_target_init_priority {} {
2779 return [check_no_compiler_messages init_priority assembly "
2780 void f() __attribute__((constructor (1000)));
2785 # Return 1 if the target matches the effective target 'arg', 0 otherwise.
2786 # This can be used with any check_* proc that takes no argument and
2787 # returns only 1 or 0. It could be used with check_* procs that take
2788 # arguments with keywords that pass particular arguments.
2790 proc is-effective-target { arg } {
2792 if { [info procs check_effective_target_${arg}] != [list] } {
2793 set selected [check_effective_target_${arg}]
2796 "vmx_hw" { set selected [check_vmx_hw_available] }
2797 "named_sections" { set selected [check_named_sections_available] }
2798 "gc_sections" { set selected [check_gc_sections_available] }
2799 "cxa_atexit" { set selected [check_cxa_atexit_available] }
2800 default { error "unknown effective target keyword `$arg'" }
2803 verbose "is-effective-target: $arg $selected" 2
2807 # Return 1 if the argument is an effective-target keyword, 0 otherwise.
2809 proc is-effective-target-keyword { arg } {
2810 if { [info procs check_effective_target_${arg}] != [list] } {
2813 # These have different names for their check_* procs.
2815 "vmx_hw" { return 1 }
2816 "named_sections" { return 1 }
2817 "gc_sections" { return 1 }
2818 "cxa_atexit" { return 1 }
2819 default { return 0 }
2824 # Return 1 if target default to short enums
2826 proc check_effective_target_short_enums { } {
2827 return [check_no_compiler_messages short_enums assembly {
2829 int s[sizeof (enum foo) == 1 ? 1 : -1];
2833 # Return 1 if target supports merging string constants at link time.
2835 proc check_effective_target_string_merging { } {
2836 return [check_no_messages_and_pattern string_merging \
2837 "rodata\\.str" assembly {
2838 const char *var = "String";
2842 # Return 1 if target has the basic signed and unsigned types in
2843 # <stdint.h>, 0 otherwise. This will be obsolete when GCC ensures a
2844 # working <stdint.h> for all targets.
2846 proc check_effective_target_stdint_types { } {
2847 return [check_no_compiler_messages stdint_types assembly {
2849 int8_t a; int16_t b; int32_t c; int64_t d;
2850 uint8_t e; uint16_t f; uint32_t g; uint64_t h;
2854 # Return 1 if target has the basic signed and unsigned types in
2855 # <inttypes.h>, 0 otherwise. This is for tests that GCC's notions of
2856 # these types agree with those in the header, as some systems have
2857 # only <inttypes.h>.
2859 proc check_effective_target_inttypes_types { } {
2860 return [check_no_compiler_messages inttypes_types assembly {
2861 #include <inttypes.h>
2862 int8_t a; int16_t b; int32_t c; int64_t d;
2863 uint8_t e; uint16_t f; uint32_t g; uint64_t h;
2867 # Return 1 if programs are intended to be run on a simulator
2868 # (i.e. slowly) rather than hardware (i.e. fast).
2870 proc check_effective_target_simulator { } {
2872 # All "src/sim" simulators set this one.
2873 if [board_info target exists is_simulator] {
2874 return [board_info target is_simulator]
2877 # The "sid" simulators don't set that one, but at least they set
2879 if [board_info target exists slow_simulator] {
2880 return [board_info target slow_simulator]
2886 # Return 1 if the target is a VxWorks kernel.
2888 proc check_effective_target_vxworks_kernel { } {
2889 return [check_no_compiler_messages vxworks_kernel assembly {
2890 #if !defined __vxworks || defined __RTP__
2896 # Return 1 if the target is a VxWorks RTP.
2898 proc check_effective_target_vxworks_rtp { } {
2899 return [check_no_compiler_messages vxworks_rtp assembly {
2900 #if !defined __vxworks || !defined __RTP__
2906 # Return 1 if the target is expected to provide wide character support.
2908 proc check_effective_target_wchar { } {
2909 if {[check_missing_uclibc_feature UCLIBC_HAS_WCHAR]} {
2912 return [check_no_compiler_messages wchar assembly {
2917 # Return 1 if the target has <pthread.h>.
2919 proc check_effective_target_pthread_h { } {
2920 return [check_no_compiler_messages pthread_h assembly {
2921 #include <pthread.h>
2925 # Return 1 if the target can truncate a file from a file-descriptor,
2926 # as used by libgfortran/io/unix.c:fd_truncate; i.e. ftruncate or
2927 # chsize. We test for a trivially functional truncation; no stubs.
2928 # As libgfortran uses _FILE_OFFSET_BITS 64, we do too; it'll cause a
2929 # different function to be used.
2931 proc check_effective_target_fd_truncate { } {
2933 #define _FILE_OFFSET_BITS 64
2939 FILE *f = fopen ("tst.tmp", "wb");
2941 const char t[] = "test writing more than ten characters";
2944 write (fd, t, sizeof (t) - 1);
2946 if (ftruncate (fd, 10) != 0)
2949 f = fopen ("tst.tmp", "rb");
2950 if (fread (s, 1, sizeof (s), f) != 10 || strncmp (s, t, 10) != 0)
2956 if { [check_runtime ftruncate $prog] } {
2960 regsub "ftruncate" $prog "chsize" prog
2961 return [check_runtime chsize $prog]
2964 # Add to FLAGS all the target-specific flags needed to access the c99 runtime.
2966 proc add_options_for_c99_runtime { flags } {
2967 if { [istarget *-*-solaris2*] } {
2968 return "$flags -std=c99"
2970 if { [istarget powerpc-*-darwin*] } {
2971 return "$flags -mmacosx-version-min=10.3"
2976 # Add to FLAGS all the target-specific flags needed to enable
2977 # full IEEE compliance mode.
2979 proc add_options_for_ieee { flags } {
2980 if { [istarget "alpha*-*-*"]
2981 || [istarget "sh*-*-*"] } {
2982 return "$flags -mieee"
2987 # Add to FLAGS the flags needed to enable functions to bind locally
2988 # when using pic/PIC passes in the testsuite.
2990 proc add_options_for_bind_pic_locally { flags } {
2991 if {[check_no_compiler_messages using_pic2 assembly {
2996 return "$flags -fPIE"
2998 if {[check_no_compiler_messages using_pic1 assembly {
3003 return "$flags -fpie"
3009 # Return 1 if the target provides a full C99 runtime.
3011 proc check_effective_target_c99_runtime { } {
3012 return [check_cached_effective_target c99_runtime {
3015 set file [open "$srcdir/gcc.dg/builtins-config.h"]
3016 set contents [read $file]
3019 #ifndef HAVE_C99_RUNTIME
3023 check_no_compiler_messages_nocache c99_runtime assembly \
3024 $contents [add_options_for_c99_runtime ""]
3028 # Return 1 if target wchar_t is at least 4 bytes.
3030 proc check_effective_target_4byte_wchar_t { } {
3031 return [check_no_compiler_messages 4byte_wchar_t object {
3032 int dummy[sizeof (__WCHAR_TYPE__) >= 4 ? 1 : -1];
3036 # Return 1 if the target supports automatic stack alignment.
3038 proc check_effective_target_automatic_stack_alignment { } {
3039 if { [istarget i?86*-*-*]
3040 || [istarget x86_64-*-*] } then {
3047 # Return 1 if avx instructions can be compiled.
3049 proc check_effective_target_avx { } {
3050 return [check_no_compiler_messages avx object {
3051 void _mm256_zeroall (void)
3053 __builtin_ia32_vzeroall ();
3058 # Return 1 if C wchar_t type is compatible with char16_t.
3060 proc check_effective_target_wchar_t_char16_t_compatible { } {
3061 return [check_no_compiler_messages wchar_t_char16_t object {
3063 __CHAR16_TYPE__ *p16 = &wc;
3064 char t[(((__CHAR16_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1];
3068 # Return 1 if C wchar_t type is compatible with char32_t.
3070 proc check_effective_target_wchar_t_char32_t_compatible { } {
3071 return [check_no_compiler_messages wchar_t_char32_t object {
3073 __CHAR32_TYPE__ *p32 = &wc;
3074 char t[(((__CHAR32_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1];
3078 # Return 1 if pow10 function exists.
3080 proc check_effective_target_pow10 { } {
3081 return [check_runtime pow10 {
3091 # Return 1 if current options generate DFP instructions, 0 otherwise.
3093 proc check_effective_target_hard_dfp {} {
3094 return [check_no_messages_and_pattern hard_dfp "!adddd3" assembly {
3095 typedef float d64 __attribute__((mode(DD)));
3097 void foo (void) { z = x + y; }
3101 # Return 1 if string.h and wchar.h headers provide C++ requires overloads
3102 # for strchr etc. functions.
3104 proc check_effective_target_correct_iso_cpp_string_wchar_protos { } {
3105 return [check_no_compiler_messages correct_iso_cpp_string_wchar_protos assembly {
3108 #if !defined(__cplusplus) \
3109 || !defined(__CORRECT_ISO_CPP_STRING_H_PROTO) \
3110 || !defined(__CORRECT_ISO_CPP_WCHAR_H_PROTO)
3111 ISO C++ correct string.h and wchar.h protos not supported.
3118 # Return 1 if the compiler has been configure with link-time optimization
3121 proc check_effective_target_lto { } {
3123 return [info exists ENABLE_LTO]
3126 # Return 1 if the MPC library is integrated with GCC, 0 otherwise.
3128 proc check_effective_target_mpc { } {
3129 return [check_no_compiler_messages mpc executable {
3130 extern void link_error(void);
3133 if (__builtin_csin(0) != 0)
3139 # Return 1 if the MPC library with mpc_pow is integrated with GCC, 0 otherwise.
3141 proc check_effective_target_mpc_pow { } {
3142 return [check_no_compiler_messages mpc_pow executable {
3143 extern void link_error(void);
3146 if (__builtin_cpow(1,1) != 1)
3152 # Return 1 if the MPC library with "arc" functions is integrated with GCC, 0 otherwise.
3154 proc check_effective_target_mpc_arc { } {
3155 return [check_no_compiler_messages mpc_arc executable {
3156 extern void link_error(void);
3159 if (__builtin_cacos(1) != 0)
3161 if (__builtin_casin(0) != 0)
3163 if (__builtin_catan(0) != 0)
3165 if (__builtin_cacosh(1) != 0)
3167 if (__builtin_casinh(0) != 0)
3169 if (__builtin_catanh(0) != 0)
3175 # Return 1 if the language for the compiler under test is C.
3177 proc check_effective_target_c { } {
3179 if [string match $tool "gcc"] {
3185 # Return 1 if the language for the compiler under test is C++.
3187 proc check_effective_target_c++ { } {
3189 if [string match $tool "g++"] {