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 _Decimal32 x; _Decimal64 y; _Decimal128 z;
1300 verbose "check_effective_target_dfp_nocache: returning $ret" 2
1304 proc check_effective_target_dfprt_nocache { } {
1305 return [check_runtime_nocache dfprt {
1306 _Decimal32 x = 1.2df; _Decimal64 y = 2.3dd; _Decimal128 z;
1307 int main () { z = x + y; return 0; }
1311 # Return 1 if the target supports compiling Decimal Floating Point,
1314 # This won't change for different subtargets so cache the result.
1316 proc check_effective_target_dfp { } {
1317 return [check_cached_effective_target dfp {
1318 check_effective_target_dfp_nocache
1322 # Return 1 if the target supports linking and executing Decimal Floating
1323 # Point, # 0 otherwise.
1325 # This won't change for different subtargets so cache the result.
1327 proc check_effective_target_dfprt { } {
1328 return [check_cached_effective_target dfprt {
1329 check_effective_target_dfprt_nocache
1333 # Return 1 if the target needs a command line argument to enable a SIMD
1336 proc check_effective_target_vect_cmdline_needed { } {
1337 global et_vect_cmdline_needed_saved
1338 global et_vect_cmdline_needed_target_name
1340 if { ![info exists et_vect_cmdline_needed_target_name] } {
1341 set et_vect_cmdline_needed_target_name ""
1344 # If the target has changed since we set the cached value, clear it.
1345 set current_target [current_target_name]
1346 if { $current_target != $et_vect_cmdline_needed_target_name } {
1347 verbose "check_effective_target_vect_cmdline_needed: `$et_vect_cmdline_needed_target_name' `$current_target'" 2
1348 set et_vect_cmdline_needed_target_name $current_target
1349 if { [info exists et_vect_cmdline_needed_saved] } {
1350 verbose "check_effective_target_vect_cmdline_needed: removing cached result" 2
1351 unset et_vect_cmdline_needed_saved
1355 if [info exists et_vect_cmdline_needed_saved] {
1356 verbose "check_effective_target_vect_cmdline_needed: using cached result" 2
1358 set et_vect_cmdline_needed_saved 1
1359 if { [istarget alpha*-*-*]
1360 || [istarget ia64-*-*]
1361 || (([istarget x86_64-*-*] || [istarget i?86-*-*])
1362 && [check_effective_target_lp64])
1363 || ([istarget powerpc*-*-*]
1364 && ([check_effective_target_powerpc_spe]
1365 || [check_effective_target_powerpc_altivec]))
1366 || [istarget spu-*-*]
1367 || ([istarget arm*-*-*] && [check_effective_target_arm_neon]) } {
1368 set et_vect_cmdline_needed_saved 0
1372 verbose "check_effective_target_vect_cmdline_needed: returning $et_vect_cmdline_needed_saved" 2
1373 return $et_vect_cmdline_needed_saved
1376 # Return 1 if the target supports hardware vectors of int, 0 otherwise.
1378 # This won't change for different subtargets so cache the result.
1380 proc check_effective_target_vect_int { } {
1381 global et_vect_int_saved
1383 if [info exists et_vect_int_saved] {
1384 verbose "check_effective_target_vect_int: using cached result" 2
1386 set et_vect_int_saved 0
1387 if { [istarget i?86-*-*]
1388 || ([istarget powerpc*-*-*]
1389 && ![istarget powerpc-*-linux*paired*])
1390 || [istarget spu-*-*]
1391 || [istarget x86_64-*-*]
1392 || [istarget sparc*-*-*]
1393 || [istarget alpha*-*-*]
1394 || [istarget ia64-*-*]
1395 || [check_effective_target_arm32] } {
1396 set et_vect_int_saved 1
1400 verbose "check_effective_target_vect_int: returning $et_vect_int_saved" 2
1401 return $et_vect_int_saved
1404 # Return 1 if the target supports signed int->float conversion
1407 proc check_effective_target_vect_intfloat_cvt { } {
1408 global et_vect_intfloat_cvt_saved
1410 if [info exists et_vect_intfloat_cvt_saved] {
1411 verbose "check_effective_target_vect_intfloat_cvt: using cached result" 2
1413 set et_vect_intfloat_cvt_saved 0
1414 if { [istarget i?86-*-*]
1415 || ([istarget powerpc*-*-*]
1416 && ![istarget powerpc-*-linux*paired*])
1417 || [istarget x86_64-*-*] } {
1418 set et_vect_intfloat_cvt_saved 1
1422 verbose "check_effective_target_vect_intfloat_cvt: returning $et_vect_intfloat_cvt_saved" 2
1423 return $et_vect_intfloat_cvt_saved
1427 # Return 1 if the target supports unsigned int->float conversion
1430 proc check_effective_target_vect_uintfloat_cvt { } {
1431 global et_vect_uintfloat_cvt_saved
1433 if [info exists et_vect_uintfloat_cvt_saved] {
1434 verbose "check_effective_target_vect_uintfloat_cvt: using cached result" 2
1436 set et_vect_uintfloat_cvt_saved 0
1437 if { [istarget i?86-*-*]
1438 || ([istarget powerpc*-*-*]
1439 && ![istarget powerpc-*-linux*paired*])
1440 || [istarget x86_64-*-*] } {
1441 set et_vect_uintfloat_cvt_saved 1
1445 verbose "check_effective_target_vect_uintfloat_cvt: returning $et_vect_uintfloat_cvt_saved" 2
1446 return $et_vect_uintfloat_cvt_saved
1450 # Return 1 if the target supports signed float->int conversion
1453 proc check_effective_target_vect_floatint_cvt { } {
1454 global et_vect_floatint_cvt_saved
1456 if [info exists et_vect_floatint_cvt_saved] {
1457 verbose "check_effective_target_vect_floatint_cvt: using cached result" 2
1459 set et_vect_floatint_cvt_saved 0
1460 if { [istarget i?86-*-*]
1461 || ([istarget powerpc*-*-*]
1462 && ![istarget powerpc-*-linux*paired*])
1463 || [istarget x86_64-*-*] } {
1464 set et_vect_floatint_cvt_saved 1
1468 verbose "check_effective_target_vect_floatint_cvt: returning $et_vect_floatint_cvt_saved" 2
1469 return $et_vect_floatint_cvt_saved
1472 # Return 1 if the target supports unsigned float->int conversion
1475 proc check_effective_target_vect_floatuint_cvt { } {
1476 global et_vect_floatuint_cvt_saved
1478 if [info exists et_vect_floatuint_cvt_saved] {
1479 verbose "check_effective_target_vect_floatuint_cvt: using cached result" 2
1481 set et_vect_floatuint_cvt_saved 0
1482 if { ([istarget powerpc*-*-*]
1483 && ![istarget powerpc-*-linux*paired*]) } {
1484 set et_vect_floatuint_cvt_saved 1
1488 verbose "check_effective_target_vect_floatuint_cvt: returning $et_vect_floatuint_cvt_saved" 2
1489 return $et_vect_floatuint_cvt_saved
1492 # Return 1 is this is an arm target using 32-bit instructions
1493 proc check_effective_target_arm32 { } {
1494 return [check_no_compiler_messages arm32 assembly {
1495 #if !defined(__arm__) || (defined(__thumb__) && !defined(__thumb2__))
1501 # Return 1 if this is an ARM target supporting -mfpu=vfp
1502 # -mfloat-abi=softfp. Some multilibs may be incompatible with these
1505 proc check_effective_target_arm_vfp_ok { } {
1506 if { [check_effective_target_arm32] } {
1507 return [check_no_compiler_messages arm_vfp_ok object {
1509 } "-mfpu=vfp -mfloat-abi=softfp"]
1515 # Return 1 if this is an ARM target supporting -mfpu=vfp
1516 # -mfloat-abi=hard. Some multilibs may be incompatible with these
1519 proc check_effective_target_arm_hard_vfp_ok { } {
1520 if { [check_effective_target_arm32] } {
1521 return [check_no_compiler_messages arm_hard_vfp_ok executable {
1522 int main() { return 0;}
1523 } "-mfpu=vfp -mfloat-abi=hard"]
1529 # Return 1 if this is an ARM target supporting -mfpu=neon
1530 # -mfloat-abi=softfp. Some multilibs may be incompatible with these
1533 proc check_effective_target_arm_neon_ok { } {
1534 if { [check_effective_target_arm32] } {
1535 return [check_no_compiler_messages arm_neon_ok object {
1536 #include "arm_neon.h"
1538 } "-mfpu=neon -mfloat-abi=softfp"]
1544 # Return 1 is this is an ARM target where -mthumb causes Thumb-1 to be
1547 proc check_effective_target_arm_thumb1_ok { } {
1548 return [check_no_compiler_messages arm_thumb1_ok assembly {
1549 #if !defined(__arm__) || !defined(__thumb__) || defined(__thumb2__)
1555 # Return 1 is this is an ARM target where -mthumb causes Thumb-2 to be
1558 proc check_effective_target_arm_thumb2_ok { } {
1559 return [check_no_compiler_messages arm_thumb2_ok assembly {
1560 #if !defined(__thumb2__)
1566 # Return 1 if the target supports executing NEON instructions, 0
1567 # otherwise. Cache the result.
1569 proc check_effective_target_arm_neon_hw { } {
1570 return [check_runtime arm_neon_hw_available {
1574 long long a = 0, b = 1;
1575 asm ("vorr %P0, %P1, %P2"
1577 : "0" (a), "w" (b));
1580 } "-mfpu=neon -mfloat-abi=softfp"]
1583 # Return 1 if this is a ARM target with NEON enabled.
1585 proc check_effective_target_arm_neon { } {
1586 if { [check_effective_target_arm32] } {
1587 return [check_no_compiler_messages arm_neon object {
1588 #ifndef __ARM_NEON__
1599 # Return 1 if this a Loongson-2E or -2F target using an ABI that supports
1600 # the Loongson vector modes.
1602 proc check_effective_target_mips_loongson { } {
1603 return [check_no_compiler_messages loongson assembly {
1604 #if !defined(__mips_loongson_vector_rev)
1610 # Return 1 if this is an ARM target that adheres to the ABI for the ARM
1613 proc check_effective_target_arm_eabi { } {
1614 return [check_no_compiler_messages arm_eabi object {
1615 #ifndef __ARM_EABI__
1623 # Return 1 if this is an ARM target supporting -mcpu=iwmmxt.
1624 # Some multilibs may be incompatible with this option.
1626 proc check_effective_target_arm_iwmmxt_ok { } {
1627 if { [check_effective_target_arm32] } {
1628 return [check_no_compiler_messages arm_iwmmxt_ok object {
1636 # Return 1 if this is a PowerPC target with floating-point registers.
1638 proc check_effective_target_powerpc_fprs { } {
1639 if { [istarget powerpc*-*-*]
1640 || [istarget rs6000-*-*] } {
1641 return [check_no_compiler_messages powerpc_fprs object {
1653 # Return 1 if this is a PowerPC target with hardware double-precision
1656 proc check_effective_target_powerpc_hard_double { } {
1657 if { [istarget powerpc*-*-*]
1658 || [istarget rs6000-*-*] } {
1659 return [check_no_compiler_messages powerpc_hard_double object {
1671 # Return 1 if this is a PowerPC target supporting -maltivec.
1673 proc check_effective_target_powerpc_altivec_ok { } {
1674 if { ([istarget powerpc*-*-*]
1675 && ![istarget powerpc-*-linux*paired*])
1676 || [istarget rs6000-*-*] } {
1677 # AltiVec is not supported on AIX before 5.3.
1678 if { [istarget powerpc*-*-aix4*]
1679 || [istarget powerpc*-*-aix5.1*]
1680 || [istarget powerpc*-*-aix5.2*] } {
1683 return [check_no_compiler_messages powerpc_altivec_ok object {
1691 # Return 1 if this is a PowerPC target supporting -mvsx
1693 proc check_effective_target_powerpc_vsx_ok { } {
1694 if { ([istarget powerpc*-*-*]
1695 && ![istarget powerpc-*-linux*paired*])
1696 || [istarget rs6000-*-*] } {
1697 # AltiVec is not supported on AIX before 5.3.
1698 if { [istarget powerpc*-*-aix4*]
1699 || [istarget powerpc*-*-aix5.1*]
1700 || [istarget powerpc*-*-aix5.2*] } {
1703 return [check_no_compiler_messages powerpc_vsx_ok object {
1706 asm volatile ("xxlor vs0,vs0,vs0");
1708 asm volatile ("xxlor 0,0,0");
1718 # Return 1 if this is a PowerPC target supporting -mcpu=cell.
1720 proc check_effective_target_powerpc_ppu_ok { } {
1721 if [check_effective_target_powerpc_altivec_ok] {
1722 return [check_no_compiler_messages cell_asm_available object {
1725 asm volatile ("lvlx v0,v0,v0");
1727 asm volatile ("lvlx 0,0,0");
1737 # Return 1 if this is a PowerPC target that supports SPU.
1739 proc check_effective_target_powerpc_spu { } {
1740 if [istarget powerpc*-*-linux*] {
1741 return [check_effective_target_powerpc_altivec_ok]
1747 # Return 1 if this is a PowerPC SPE target. The check includes options
1748 # specified by dg-options for this test, so don't cache the result.
1750 proc check_effective_target_powerpc_spe_nocache { } {
1751 if { [istarget powerpc*-*-*] } {
1752 return [check_no_compiler_messages_nocache powerpc_spe object {
1758 } [current_compiler_flags]]
1764 # Return 1 if this is a PowerPC target with SPE enabled.
1766 proc check_effective_target_powerpc_spe { } {
1767 if { [istarget powerpc*-*-*] } {
1768 return [check_no_compiler_messages powerpc_spe object {
1780 # Return 1 if this is a PowerPC target with Altivec enabled.
1782 proc check_effective_target_powerpc_altivec { } {
1783 if { [istarget powerpc*-*-*] } {
1784 return [check_no_compiler_messages powerpc_altivec object {
1796 # Return 1 if this is a PowerPC 405 target. The check includes options
1797 # specified by dg-options for this test, so don't cache the result.
1799 proc check_effective_target_powerpc_405_nocache { } {
1800 if { [istarget powerpc*-*-*] || [istarget rs6000-*-*] } {
1801 return [check_no_compiler_messages_nocache powerpc_405 object {
1807 } [current_compiler_flags]]
1813 # Return 1 if this is a SPU target with a toolchain that
1814 # supports automatic overlay generation.
1816 proc check_effective_target_spu_auto_overlay { } {
1817 if { [istarget spu*-*-elf*] } {
1818 return [check_no_compiler_messages spu_auto_overlay executable {
1820 } "-Wl,--auto-overlay" ]
1826 # The VxWorks SPARC simulator accepts only EM_SPARC executables and
1827 # chokes on EM_SPARC32PLUS or EM_SPARCV9 executables. Return 1 if the
1828 # test environment appears to run executables on such a simulator.
1830 proc check_effective_target_ultrasparc_hw { } {
1831 return [check_runtime ultrasparc_hw {
1832 int main() { return 0; }
1833 } "-mcpu=ultrasparc"]
1836 # Return 1 if the target supports hardware vector shift operation.
1838 proc check_effective_target_vect_shift { } {
1839 global et_vect_shift_saved
1841 if [info exists et_vect_shift_saved] {
1842 verbose "check_effective_target_vect_shift: using cached result" 2
1844 set et_vect_shift_saved 0
1845 if { ([istarget powerpc*-*-*]
1846 && ![istarget powerpc-*-linux*paired*])
1847 || [istarget ia64-*-*]
1848 || [istarget i?86-*-*]
1849 || [istarget x86_64-*-*]
1850 || [check_effective_target_arm32] } {
1851 set et_vect_shift_saved 1
1855 verbose "check_effective_target_vect_shift: returning $et_vect_shift_saved" 2
1856 return $et_vect_shift_saved
1859 # Return 1 if the target supports hardware vectors of long, 0 otherwise.
1861 # This can change for different subtargets so do not cache the result.
1863 proc check_effective_target_vect_long { } {
1864 if { [istarget i?86-*-*]
1865 || (([istarget powerpc*-*-*]
1866 && ![istarget powerpc-*-linux*paired*])
1867 && [check_effective_target_ilp32])
1868 || [istarget x86_64-*-*]
1869 || [check_effective_target_arm32]
1870 || ([istarget sparc*-*-*] && [check_effective_target_ilp32]) } {
1876 verbose "check_effective_target_vect_long: returning $answer" 2
1880 # Return 1 if the target supports hardware vectors of float, 0 otherwise.
1882 # This won't change for different subtargets so cache the result.
1884 proc check_effective_target_vect_float { } {
1885 global et_vect_float_saved
1887 if [info exists et_vect_float_saved] {
1888 verbose "check_effective_target_vect_float: using cached result" 2
1890 set et_vect_float_saved 0
1891 if { [istarget i?86-*-*]
1892 || [istarget powerpc*-*-*]
1893 || [istarget spu-*-*]
1894 || [istarget mipsisa64*-*-*]
1895 || [istarget x86_64-*-*]
1896 || [istarget ia64-*-*]
1897 || [check_effective_target_arm32] } {
1898 set et_vect_float_saved 1
1902 verbose "check_effective_target_vect_float: returning $et_vect_float_saved" 2
1903 return $et_vect_float_saved
1906 # Return 1 if the target supports hardware vectors of double, 0 otherwise.
1908 # This won't change for different subtargets so cache the result.
1910 proc check_effective_target_vect_double { } {
1911 global et_vect_double_saved
1913 if [info exists et_vect_double_saved] {
1914 verbose "check_effective_target_vect_double: using cached result" 2
1916 set et_vect_double_saved 0
1917 if { [istarget i?86-*-*]
1918 || [istarget x86_64-*-*]
1919 || [istarget spu-*-*] } {
1920 set et_vect_double_saved 1
1924 verbose "check_effective_target_vect_double: returning $et_vect_double_saved" 2
1925 return $et_vect_double_saved
1928 # Return 1 if the target supports hardware vectors of long long, 0 otherwise.
1930 # This won't change for different subtargets so cache the result.
1932 proc check_effective_target_vect_long_long { } {
1933 global et_vect_long_long_saved
1935 if [info exists et_vect_long_long_saved] {
1936 verbose "check_effective_target_vect_long_long: using cached result" 2
1938 set et_vect_long_long_saved 0
1939 if { [istarget i?86-*-*]
1940 || [istarget x86_64-*-*] } {
1941 set et_vect_long_long_saved 1
1945 verbose "check_effective_target_vect_long_long: returning $et_vect_long_long_saved" 2
1946 return $et_vect_long_long_saved
1950 # Return 1 if the target plus current options does not support a vector
1951 # max instruction on "int", 0 otherwise.
1953 # This won't change for different subtargets so cache the result.
1955 proc check_effective_target_vect_no_int_max { } {
1956 global et_vect_no_int_max_saved
1958 if [info exists et_vect_no_int_max_saved] {
1959 verbose "check_effective_target_vect_no_int_max: using cached result" 2
1961 set et_vect_no_int_max_saved 0
1962 if { [istarget sparc*-*-*]
1963 || [istarget spu-*-*]
1964 || [istarget alpha*-*-*] } {
1965 set et_vect_no_int_max_saved 1
1968 verbose "check_effective_target_vect_no_int_max: returning $et_vect_no_int_max_saved" 2
1969 return $et_vect_no_int_max_saved
1972 # Return 1 if the target plus current options does not support a vector
1973 # add instruction on "int", 0 otherwise.
1975 # This won't change for different subtargets so cache the result.
1977 proc check_effective_target_vect_no_int_add { } {
1978 global et_vect_no_int_add_saved
1980 if [info exists et_vect_no_int_add_saved] {
1981 verbose "check_effective_target_vect_no_int_add: using cached result" 2
1983 set et_vect_no_int_add_saved 0
1984 # Alpha only supports vector add on V8QI and V4HI.
1985 if { [istarget alpha*-*-*] } {
1986 set et_vect_no_int_add_saved 1
1989 verbose "check_effective_target_vect_no_int_add: returning $et_vect_no_int_add_saved" 2
1990 return $et_vect_no_int_add_saved
1993 # Return 1 if the target plus current options does not support vector
1994 # bitwise instructions, 0 otherwise.
1996 # This won't change for different subtargets so cache the result.
1998 proc check_effective_target_vect_no_bitwise { } {
1999 global et_vect_no_bitwise_saved
2001 if [info exists et_vect_no_bitwise_saved] {
2002 verbose "check_effective_target_vect_no_bitwise: using cached result" 2
2004 set et_vect_no_bitwise_saved 0
2006 verbose "check_effective_target_vect_no_bitwise: returning $et_vect_no_bitwise_saved" 2
2007 return $et_vect_no_bitwise_saved
2010 # Return 1 if the target plus current options supports vector permutation,
2013 # This won't change for different subtargets so cache the result.
2015 proc check_effective_target_vect_perm { } {
2018 if [info exists et_vect_perm_saved] {
2019 verbose "check_effective_target_vect_perm: using cached result" 2
2021 set et_vect_perm_saved 0
2022 if { [istarget powerpc*-*-*]
2023 || [istarget spu-*-*] } {
2024 set et_vect_perm_saved 1
2027 verbose "check_effective_target_vect_perm: returning $et_vect_perm_saved" 2
2028 return $et_vect_perm_saved
2032 # Return 1 if the target plus current options supports a vector
2033 # widening summation of *short* args into *int* result, 0 otherwise.
2034 # A target can also support this widening summation if it can support
2035 # promotion (unpacking) from shorts to ints.
2037 # This won't change for different subtargets so cache the result.
2039 proc check_effective_target_vect_widen_sum_hi_to_si { } {
2040 global et_vect_widen_sum_hi_to_si
2042 if [info exists et_vect_widen_sum_hi_to_si_saved] {
2043 verbose "check_effective_target_vect_widen_sum_hi_to_si: using cached result" 2
2045 set et_vect_widen_sum_hi_to_si_saved [check_effective_target_vect_unpack]
2046 if { [istarget powerpc*-*-*]
2047 || [istarget ia64-*-*] } {
2048 set et_vect_widen_sum_hi_to_si_saved 1
2051 verbose "check_effective_target_vect_widen_sum_hi_to_si: returning $et_vect_widen_sum_hi_to_si_saved" 2
2052 return $et_vect_widen_sum_hi_to_si_saved
2055 # Return 1 if the target plus current options supports a vector
2056 # widening summation of *char* args into *short* result, 0 otherwise.
2057 # A target can also support this widening summation if it can support
2058 # promotion (unpacking) from chars to shorts.
2060 # This won't change for different subtargets so cache the result.
2062 proc check_effective_target_vect_widen_sum_qi_to_hi { } {
2063 global et_vect_widen_sum_qi_to_hi
2065 if [info exists et_vect_widen_sum_qi_to_hi_saved] {
2066 verbose "check_effective_target_vect_widen_sum_qi_to_hi: using cached result" 2
2068 set et_vect_widen_sum_qi_to_hi_saved 0
2069 if { [check_effective_target_vect_unpack]
2070 || [istarget ia64-*-*] } {
2071 set et_vect_widen_sum_qi_to_hi_saved 1
2074 verbose "check_effective_target_vect_widen_sum_qi_to_hi: returning $et_vect_widen_sum_qi_to_hi_saved" 2
2075 return $et_vect_widen_sum_qi_to_hi_saved
2078 # Return 1 if the target plus current options supports a vector
2079 # widening summation of *char* args into *int* result, 0 otherwise.
2081 # This won't change for different subtargets so cache the result.
2083 proc check_effective_target_vect_widen_sum_qi_to_si { } {
2084 global et_vect_widen_sum_qi_to_si
2086 if [info exists et_vect_widen_sum_qi_to_si_saved] {
2087 verbose "check_effective_target_vect_widen_sum_qi_to_si: using cached result" 2
2089 set et_vect_widen_sum_qi_to_si_saved 0
2090 if { [istarget powerpc*-*-*] } {
2091 set et_vect_widen_sum_qi_to_si_saved 1
2094 verbose "check_effective_target_vect_widen_sum_qi_to_si: returning $et_vect_widen_sum_qi_to_si_saved" 2
2095 return $et_vect_widen_sum_qi_to_si_saved
2098 # Return 1 if the target plus current options supports a vector
2099 # widening multiplication of *char* args into *short* result, 0 otherwise.
2100 # A target can also support this widening multplication if it can support
2101 # promotion (unpacking) from chars to shorts, and vect_short_mult (non-widening
2102 # multiplication of shorts).
2104 # This won't change for different subtargets so cache the result.
2107 proc check_effective_target_vect_widen_mult_qi_to_hi { } {
2108 global et_vect_widen_mult_qi_to_hi
2110 if [info exists et_vect_widen_mult_qi_to_hi_saved] {
2111 verbose "check_effective_target_vect_widen_mult_qi_to_hi: using cached result" 2
2113 if { [check_effective_target_vect_unpack]
2114 && [check_effective_target_vect_short_mult] } {
2115 set et_vect_widen_mult_qi_to_hi_saved 1
2117 set et_vect_widen_mult_qi_to_hi_saved 0
2119 if { [istarget powerpc*-*-*] } {
2120 set et_vect_widen_mult_qi_to_hi_saved 1
2123 verbose "check_effective_target_vect_widen_mult_qi_to_hi: returning $et_vect_widen_mult_qi_to_hi_saved" 2
2124 return $et_vect_widen_mult_qi_to_hi_saved
2127 # Return 1 if the target plus current options supports a vector
2128 # widening multiplication of *short* args into *int* result, 0 otherwise.
2129 # A target can also support this widening multplication if it can support
2130 # promotion (unpacking) from shorts to ints, and vect_int_mult (non-widening
2131 # multiplication of ints).
2133 # This won't change for different subtargets so cache the result.
2136 proc check_effective_target_vect_widen_mult_hi_to_si { } {
2137 global et_vect_widen_mult_hi_to_si
2139 if [info exists et_vect_widen_mult_hi_to_si_saved] {
2140 verbose "check_effective_target_vect_widen_mult_hi_to_si: using cached result" 2
2142 if { [check_effective_target_vect_unpack]
2143 && [check_effective_target_vect_int_mult] } {
2144 set et_vect_widen_mult_hi_to_si_saved 1
2146 set et_vect_widen_mult_hi_to_si_saved 0
2148 if { [istarget powerpc*-*-*]
2149 || [istarget spu-*-*]
2150 || [istarget i?86-*-*]
2151 || [istarget x86_64-*-*] } {
2152 set et_vect_widen_mult_hi_to_si_saved 1
2155 verbose "check_effective_target_vect_widen_mult_hi_to_si: returning $et_vect_widen_mult_hi_to_si_saved" 2
2156 return $et_vect_widen_mult_hi_to_si_saved
2159 # Return 1 if the target plus current options supports a vector
2160 # dot-product of signed chars, 0 otherwise.
2162 # This won't change for different subtargets so cache the result.
2164 proc check_effective_target_vect_sdot_qi { } {
2165 global et_vect_sdot_qi
2167 if [info exists et_vect_sdot_qi_saved] {
2168 verbose "check_effective_target_vect_sdot_qi: using cached result" 2
2170 set et_vect_sdot_qi_saved 0
2172 verbose "check_effective_target_vect_sdot_qi: returning $et_vect_sdot_qi_saved" 2
2173 return $et_vect_sdot_qi_saved
2176 # Return 1 if the target plus current options supports a vector
2177 # dot-product of unsigned chars, 0 otherwise.
2179 # This won't change for different subtargets so cache the result.
2181 proc check_effective_target_vect_udot_qi { } {
2182 global et_vect_udot_qi
2184 if [info exists et_vect_udot_qi_saved] {
2185 verbose "check_effective_target_vect_udot_qi: using cached result" 2
2187 set et_vect_udot_qi_saved 0
2188 if { [istarget powerpc*-*-*] } {
2189 set et_vect_udot_qi_saved 1
2192 verbose "check_effective_target_vect_udot_qi: returning $et_vect_udot_qi_saved" 2
2193 return $et_vect_udot_qi_saved
2196 # Return 1 if the target plus current options supports a vector
2197 # dot-product of signed shorts, 0 otherwise.
2199 # This won't change for different subtargets so cache the result.
2201 proc check_effective_target_vect_sdot_hi { } {
2202 global et_vect_sdot_hi
2204 if [info exists et_vect_sdot_hi_saved] {
2205 verbose "check_effective_target_vect_sdot_hi: using cached result" 2
2207 set et_vect_sdot_hi_saved 0
2208 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2209 || [istarget i?86-*-*]
2210 || [istarget x86_64-*-*] } {
2211 set et_vect_sdot_hi_saved 1
2214 verbose "check_effective_target_vect_sdot_hi: returning $et_vect_sdot_hi_saved" 2
2215 return $et_vect_sdot_hi_saved
2218 # Return 1 if the target plus current options supports a vector
2219 # dot-product of unsigned shorts, 0 otherwise.
2221 # This won't change for different subtargets so cache the result.
2223 proc check_effective_target_vect_udot_hi { } {
2224 global et_vect_udot_hi
2226 if [info exists et_vect_udot_hi_saved] {
2227 verbose "check_effective_target_vect_udot_hi: using cached result" 2
2229 set et_vect_udot_hi_saved 0
2230 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*]) } {
2231 set et_vect_udot_hi_saved 1
2234 verbose "check_effective_target_vect_udot_hi: returning $et_vect_udot_hi_saved" 2
2235 return $et_vect_udot_hi_saved
2239 # Return 1 if the target plus current options supports a vector
2240 # demotion (packing) of shorts (to chars) and ints (to shorts)
2241 # using modulo arithmetic, 0 otherwise.
2243 # This won't change for different subtargets so cache the result.
2245 proc check_effective_target_vect_pack_trunc { } {
2246 global et_vect_pack_trunc
2248 if [info exists et_vect_pack_trunc_saved] {
2249 verbose "check_effective_target_vect_pack_trunc: using cached result" 2
2251 set et_vect_pack_trunc_saved 0
2252 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2253 || [istarget i?86-*-*]
2254 || [istarget x86_64-*-*]
2255 || [istarget spu-*-*] } {
2256 set et_vect_pack_trunc_saved 1
2259 verbose "check_effective_target_vect_pack_trunc: returning $et_vect_pack_trunc_saved" 2
2260 return $et_vect_pack_trunc_saved
2263 # Return 1 if the target plus current options supports a vector
2264 # promotion (unpacking) of chars (to shorts) and shorts (to ints), 0 otherwise.
2266 # This won't change for different subtargets so cache the result.
2268 proc check_effective_target_vect_unpack { } {
2269 global et_vect_unpack
2271 if [info exists et_vect_unpack_saved] {
2272 verbose "check_effective_target_vect_unpack: using cached result" 2
2274 set et_vect_unpack_saved 0
2275 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*paired*])
2276 || [istarget i?86-*-*]
2277 || [istarget x86_64-*-*]
2278 || [istarget spu-*-*] } {
2279 set et_vect_unpack_saved 1
2282 verbose "check_effective_target_vect_unpack: returning $et_vect_unpack_saved" 2
2283 return $et_vect_unpack_saved
2286 # Return 1 if the target plus current options does not guarantee
2287 # that its STACK_BOUNDARY is >= the reguired vector alignment.
2289 # This won't change for different subtargets so cache the result.
2291 proc check_effective_target_unaligned_stack { } {
2292 global et_unaligned_stack_saved
2294 if [info exists et_unaligned_stack_saved] {
2295 verbose "check_effective_target_unaligned_stack: using cached result" 2
2297 set et_unaligned_stack_saved 0
2299 verbose "check_effective_target_unaligned_stack: returning $et_unaligned_stack_saved" 2
2300 return $et_unaligned_stack_saved
2303 # Return 1 if the target plus current options does not support a vector
2304 # alignment mechanism, 0 otherwise.
2306 # This won't change for different subtargets so cache the result.
2308 proc check_effective_target_vect_no_align { } {
2309 global et_vect_no_align_saved
2311 if [info exists et_vect_no_align_saved] {
2312 verbose "check_effective_target_vect_no_align: using cached result" 2
2314 set et_vect_no_align_saved 0
2315 if { [istarget mipsisa64*-*-*]
2316 || [istarget sparc*-*-*]
2317 || [istarget ia64-*-*]
2318 || [check_effective_target_arm32] } {
2319 set et_vect_no_align_saved 1
2322 verbose "check_effective_target_vect_no_align: returning $et_vect_no_align_saved" 2
2323 return $et_vect_no_align_saved
2326 # Return 1 if the target supports a vector misalign access, 0 otherwise.
2328 # This won't change for different subtargets so cache the result.
2330 proc check_effective_target_vect_hw_misalign { } {
2331 global et_vect_hw_misalign_saved
2333 if [info exists et_vect_hw_misalign_saved] {
2334 verbose "check_effective_target_vect_hw_misalign: using cached result" 2
2336 set et_vect_hw_misalign_saved 0
2337 if { ([istarget x86_64-*-*]
2338 || [istarget i?86-*-*]) } {
2339 set et_vect_hw_misalign_saved 1
2342 verbose "check_effective_target_vect_hw_misalign: returning $et_vect_hw_misalign_saved" 2
2343 return $et_vect_hw_misalign_saved
2347 # Return 1 if arrays are aligned to the vector alignment
2348 # boundary, 0 otherwise.
2350 # This won't change for different subtargets so cache the result.
2352 proc check_effective_target_vect_aligned_arrays { } {
2353 global et_vect_aligned_arrays
2355 if [info exists et_vect_aligned_arrays_saved] {
2356 verbose "check_effective_target_vect_aligned_arrays: using cached result" 2
2358 set et_vect_aligned_arrays_saved 0
2359 if { (([istarget x86_64-*-*]
2360 || [istarget i?86-*-*]) && [is-effective-target lp64])
2361 || [istarget spu-*-*] } {
2362 set et_vect_aligned_arrays_saved 1
2365 verbose "check_effective_target_vect_aligned_arrays: returning $et_vect_aligned_arrays_saved" 2
2366 return $et_vect_aligned_arrays_saved
2369 # Return 1 if types of size 32 bit or less are naturally aligned
2370 # (aligned to their type-size), 0 otherwise.
2372 # This won't change for different subtargets so cache the result.
2374 proc check_effective_target_natural_alignment_32 { } {
2375 global et_natural_alignment_32
2377 if [info exists et_natural_alignment_32_saved] {
2378 verbose "check_effective_target_natural_alignment_32: using cached result" 2
2380 # FIXME: 32bit powerpc: guaranteed only if MASK_ALIGN_NATURAL/POWER.
2381 set et_natural_alignment_32_saved 1
2382 if { ([istarget *-*-darwin*] && [is-effective-target lp64]) } {
2383 set et_natural_alignment_32_saved 0
2386 verbose "check_effective_target_natural_alignment_32: returning $et_natural_alignment_32_saved" 2
2387 return $et_natural_alignment_32_saved
2390 # Return 1 if types of size 64 bit or less are naturally aligned (aligned to their
2391 # type-size), 0 otherwise.
2393 # This won't change for different subtargets so cache the result.
2395 proc check_effective_target_natural_alignment_64 { } {
2396 global et_natural_alignment_64
2398 if [info exists et_natural_alignment_64_saved] {
2399 verbose "check_effective_target_natural_alignment_64: using cached result" 2
2401 set et_natural_alignment_64_saved 0
2402 if { ([is-effective-target lp64] && ![istarget *-*-darwin*])
2403 || [istarget spu-*-*] } {
2404 set et_natural_alignment_64_saved 1
2407 verbose "check_effective_target_natural_alignment_64: returning $et_natural_alignment_64_saved" 2
2408 return $et_natural_alignment_64_saved
2411 # Return 1 if vector alignment (for types of size 32 bit or less) is reachable, 0 otherwise.
2413 # This won't change for different subtargets so cache the result.
2415 proc check_effective_target_vector_alignment_reachable { } {
2416 global et_vector_alignment_reachable
2418 if [info exists et_vector_alignment_reachable_saved] {
2419 verbose "check_effective_target_vector_alignment_reachable: using cached result" 2
2421 if { [check_effective_target_vect_aligned_arrays]
2422 || [check_effective_target_natural_alignment_32] } {
2423 set et_vector_alignment_reachable_saved 1
2425 set et_vector_alignment_reachable_saved 0
2428 verbose "check_effective_target_vector_alignment_reachable: returning $et_vector_alignment_reachable_saved" 2
2429 return $et_vector_alignment_reachable_saved
2432 # Return 1 if vector alignment for 64 bit is reachable, 0 otherwise.
2434 # This won't change for different subtargets so cache the result.
2436 proc check_effective_target_vector_alignment_reachable_for_64bit { } {
2437 global et_vector_alignment_reachable_for_64bit
2439 if [info exists et_vector_alignment_reachable_for_64bit_saved] {
2440 verbose "check_effective_target_vector_alignment_reachable_for_64bit: using cached result" 2
2442 if { [check_effective_target_vect_aligned_arrays]
2443 || [check_effective_target_natural_alignment_64] } {
2444 set et_vector_alignment_reachable_for_64bit_saved 1
2446 set et_vector_alignment_reachable_for_64bit_saved 0
2449 verbose "check_effective_target_vector_alignment_reachable_for_64bit: returning $et_vector_alignment_reachable_for_64bit_saved" 2
2450 return $et_vector_alignment_reachable_for_64bit_saved
2453 # Return 1 if the target supports vector conditional operations, 0 otherwise.
2455 proc check_effective_target_vect_condition { } {
2456 global et_vect_cond_saved
2458 if [info exists et_vect_cond_saved] {
2459 verbose "check_effective_target_vect_cond: using cached result" 2
2461 set et_vect_cond_saved 0
2462 if { [istarget powerpc*-*-*]
2463 || [istarget ia64-*-*]
2464 || [istarget i?86-*-*]
2465 || [istarget spu-*-*]
2466 || [istarget x86_64-*-*] } {
2467 set et_vect_cond_saved 1
2471 verbose "check_effective_target_vect_cond: returning $et_vect_cond_saved" 2
2472 return $et_vect_cond_saved
2475 # Return 1 if the target supports vector char multiplication, 0 otherwise.
2477 proc check_effective_target_vect_char_mult { } {
2478 global et_vect_char_mult_saved
2480 if [info exists et_vect_char_mult_saved] {
2481 verbose "check_effective_target_vect_char_mult: using cached result" 2
2483 set et_vect_char_mult_saved 0
2484 if { [istarget ia64-*-*]
2485 || [istarget i?86-*-*]
2486 || [istarget x86_64-*-*] } {
2487 set et_vect_char_mult_saved 1
2491 verbose "check_effective_target_vect_char_mult: returning $et_vect_char_mult_saved" 2
2492 return $et_vect_char_mult_saved
2495 # Return 1 if the target supports vector short multiplication, 0 otherwise.
2497 proc check_effective_target_vect_short_mult { } {
2498 global et_vect_short_mult_saved
2500 if [info exists et_vect_short_mult_saved] {
2501 verbose "check_effective_target_vect_short_mult: using cached result" 2
2503 set et_vect_short_mult_saved 0
2504 if { [istarget ia64-*-*]
2505 || [istarget spu-*-*]
2506 || [istarget i?86-*-*]
2507 || [istarget x86_64-*-*]
2508 || [istarget powerpc*-*-*]
2509 || [check_effective_target_arm32] } {
2510 set et_vect_short_mult_saved 1
2514 verbose "check_effective_target_vect_short_mult: returning $et_vect_short_mult_saved" 2
2515 return $et_vect_short_mult_saved
2518 # Return 1 if the target supports vector int multiplication, 0 otherwise.
2520 proc check_effective_target_vect_int_mult { } {
2521 global et_vect_int_mult_saved
2523 if [info exists et_vect_int_mult_saved] {
2524 verbose "check_effective_target_vect_int_mult: using cached result" 2
2526 set et_vect_int_mult_saved 0
2527 if { ([istarget powerpc*-*-*] && ![istarget powerpc-*-linux*paired*])
2528 || [istarget spu-*-*]
2529 || [istarget i?86-*-*]
2530 || [istarget x86_64-*-*]
2531 || [check_effective_target_arm32] } {
2532 set et_vect_int_mult_saved 1
2536 verbose "check_effective_target_vect_int_mult: returning $et_vect_int_mult_saved" 2
2537 return $et_vect_int_mult_saved
2540 # Return 1 if the target supports vector even/odd elements extraction, 0 otherwise.
2542 proc check_effective_target_vect_extract_even_odd { } {
2543 global et_vect_extract_even_odd_saved
2545 if [info exists et_vect_extract_even_odd_saved] {
2546 verbose "check_effective_target_vect_extract_even_odd: using cached result" 2
2548 set et_vect_extract_even_odd_saved 0
2549 if { [istarget powerpc*-*-*]
2550 || [istarget spu-*-*] } {
2551 set et_vect_extract_even_odd_saved 1
2555 verbose "check_effective_target_vect_extract_even_odd: returning $et_vect_extract_even_odd_saved" 2
2556 return $et_vect_extract_even_odd_saved
2559 # Return 1 if the target supports vector even/odd elements extraction of
2560 # vectors with SImode elements or larger, 0 otherwise.
2562 proc check_effective_target_vect_extract_even_odd_wide { } {
2563 global et_vect_extract_even_odd_wide_saved
2565 if [info exists et_vect_extract_even_odd_wide_saved] {
2566 verbose "check_effective_target_vect_extract_even_odd_wide: using cached result" 2
2568 set et_vect_extract_even_odd_wide_saved 0
2569 if { [istarget powerpc*-*-*]
2570 || [istarget i?86-*-*]
2571 || [istarget x86_64-*-*]
2572 || [istarget spu-*-*] } {
2573 set et_vect_extract_even_odd_wide_saved 1
2577 verbose "check_effective_target_vect_extract_even_wide_odd: returning $et_vect_extract_even_odd_wide_saved" 2
2578 return $et_vect_extract_even_odd_wide_saved
2581 # Return 1 if the target supports vector interleaving, 0 otherwise.
2583 proc check_effective_target_vect_interleave { } {
2584 global et_vect_interleave_saved
2586 if [info exists et_vect_interleave_saved] {
2587 verbose "check_effective_target_vect_interleave: using cached result" 2
2589 set et_vect_interleave_saved 0
2590 if { [istarget powerpc*-*-*]
2591 || [istarget i?86-*-*]
2592 || [istarget x86_64-*-*]
2593 || [istarget spu-*-*] } {
2594 set et_vect_interleave_saved 1
2598 verbose "check_effective_target_vect_interleave: returning $et_vect_interleave_saved" 2
2599 return $et_vect_interleave_saved
2602 # Return 1 if the target supports vector interleaving and extract even/odd, 0 otherwise.
2603 proc check_effective_target_vect_strided { } {
2604 global et_vect_strided_saved
2606 if [info exists et_vect_strided_saved] {
2607 verbose "check_effective_target_vect_strided: using cached result" 2
2609 set et_vect_strided_saved 0
2610 if { [check_effective_target_vect_interleave]
2611 && [check_effective_target_vect_extract_even_odd] } {
2612 set et_vect_strided_saved 1
2616 verbose "check_effective_target_vect_strided: returning $et_vect_strided_saved" 2
2617 return $et_vect_strided_saved
2620 # Return 1 if the target supports vector interleaving and extract even/odd
2621 # for wide element types, 0 otherwise.
2622 proc check_effective_target_vect_strided_wide { } {
2623 global et_vect_strided_wide_saved
2625 if [info exists et_vect_strided_wide_saved] {
2626 verbose "check_effective_target_vect_strided_wide: using cached result" 2
2628 set et_vect_strided_wide_saved 0
2629 if { [check_effective_target_vect_interleave]
2630 && [check_effective_target_vect_extract_even_odd_wide] } {
2631 set et_vect_strided_wide_saved 1
2635 verbose "check_effective_target_vect_strided_wide: returning $et_vect_strided_wide_saved" 2
2636 return $et_vect_strided_wide_saved
2639 # Return 1 if the target supports section-anchors
2641 proc check_effective_target_section_anchors { } {
2642 global et_section_anchors_saved
2644 if [info exists et_section_anchors_saved] {
2645 verbose "check_effective_target_section_anchors: using cached result" 2
2647 set et_section_anchors_saved 0
2648 if { [istarget powerpc*-*-*]
2649 || [istarget arm*-*-*] } {
2650 set et_section_anchors_saved 1
2654 verbose "check_effective_target_section_anchors: returning $et_section_anchors_saved" 2
2655 return $et_section_anchors_saved
2658 # Return 1 if the target supports atomic operations on "int" and "long".
2660 proc check_effective_target_sync_int_long { } {
2661 global et_sync_int_long_saved
2663 if [info exists et_sync_int_long_saved] {
2664 verbose "check_effective_target_sync_int_long: using cached result" 2
2666 set et_sync_int_long_saved 0
2667 # This is intentionally powerpc but not rs6000, rs6000 doesn't have the
2668 # load-reserved/store-conditional instructions.
2669 if { [istarget ia64-*-*]
2670 || [istarget i?86-*-*]
2671 || [istarget x86_64-*-*]
2672 || [istarget alpha*-*-*]
2673 || [istarget s390*-*-*]
2674 || [istarget powerpc*-*-*]
2675 || [istarget sparc64-*-*]
2676 || [istarget sparcv9-*-*]
2677 || [istarget mips*-*-*] } {
2678 set et_sync_int_long_saved 1
2682 verbose "check_effective_target_sync_int_long: returning $et_sync_int_long_saved" 2
2683 return $et_sync_int_long_saved
2686 # Return 1 if the target supports atomic operations on "char" and "short".
2688 proc check_effective_target_sync_char_short { } {
2689 global et_sync_char_short_saved
2691 if [info exists et_sync_char_short_saved] {
2692 verbose "check_effective_target_sync_char_short: using cached result" 2
2694 set et_sync_char_short_saved 0
2695 # This is intentionally powerpc but not rs6000, rs6000 doesn't have the
2696 # load-reserved/store-conditional instructions.
2697 if { [istarget ia64-*-*]
2698 || [istarget i?86-*-*]
2699 || [istarget x86_64-*-*]
2700 || [istarget alpha*-*-*]
2701 || [istarget s390*-*-*]
2702 || [istarget powerpc*-*-*]
2703 || [istarget sparc64-*-*]
2704 || [istarget sparcv9-*-*]
2705 || [istarget mips*-*-*] } {
2706 set et_sync_char_short_saved 1
2710 verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2
2711 return $et_sync_char_short_saved
2714 # Return 1 if the target uses a ColdFire FPU.
2716 proc check_effective_target_coldfire_fpu { } {
2717 return [check_no_compiler_messages coldfire_fpu assembly {
2724 # Return true if this is a uClibc target.
2726 proc check_effective_target_uclibc {} {
2727 return [check_no_compiler_messages uclibc object {
2728 #include <features.h>
2729 #if !defined (__UCLIBC__)
2735 # Return true if this is a uclibc target and if the uclibc feature
2736 # described by __$feature__ is not present.
2738 proc check_missing_uclibc_feature {feature} {
2739 return [check_no_compiler_messages $feature object "
2740 #include <features.h>
2741 #if !defined (__UCLIBC) || defined (__${feature}__)
2747 # Return true if this is a Newlib target.
2749 proc check_effective_target_newlib {} {
2750 return [check_no_compiler_messages newlib object {
2756 # (a) an error of a few ULP is expected in string to floating-point
2757 # conversion functions; and
2758 # (b) overflow is not always detected correctly by those functions.
2760 proc check_effective_target_lax_strtofp {} {
2761 # By default, assume that all uClibc targets suffer from this.
2762 return [check_effective_target_uclibc]
2765 # Return 1 if this is a target for which wcsftime is a dummy
2766 # function that always returns 0.
2768 proc check_effective_target_dummy_wcsftime {} {
2769 # By default, assume that all uClibc targets suffer from this.
2770 return [check_effective_target_uclibc]
2773 # Return 1 if constructors with initialization priority arguments are
2774 # supposed on this target.
2776 proc check_effective_target_init_priority {} {
2777 return [check_no_compiler_messages init_priority assembly "
2778 void f() __attribute__((constructor (1000)));
2783 # Return 1 if the target matches the effective target 'arg', 0 otherwise.
2784 # This can be used with any check_* proc that takes no argument and
2785 # returns only 1 or 0. It could be used with check_* procs that take
2786 # arguments with keywords that pass particular arguments.
2788 proc is-effective-target { arg } {
2790 if { [info procs check_effective_target_${arg}] != [list] } {
2791 set selected [check_effective_target_${arg}]
2794 "vmx_hw" { set selected [check_vmx_hw_available] }
2795 "named_sections" { set selected [check_named_sections_available] }
2796 "gc_sections" { set selected [check_gc_sections_available] }
2797 "cxa_atexit" { set selected [check_cxa_atexit_available] }
2798 default { error "unknown effective target keyword `$arg'" }
2801 verbose "is-effective-target: $arg $selected" 2
2805 # Return 1 if the argument is an effective-target keyword, 0 otherwise.
2807 proc is-effective-target-keyword { arg } {
2808 if { [info procs check_effective_target_${arg}] != [list] } {
2811 # These have different names for their check_* procs.
2813 "vmx_hw" { return 1 }
2814 "named_sections" { return 1 }
2815 "gc_sections" { return 1 }
2816 "cxa_atexit" { return 1 }
2817 default { return 0 }
2822 # Return 1 if target default to short enums
2824 proc check_effective_target_short_enums { } {
2825 return [check_no_compiler_messages short_enums assembly {
2827 int s[sizeof (enum foo) == 1 ? 1 : -1];
2831 # Return 1 if target supports merging string constants at link time.
2833 proc check_effective_target_string_merging { } {
2834 return [check_no_messages_and_pattern string_merging \
2835 "rodata\\.str" assembly {
2836 const char *var = "String";
2840 # Return 1 if target has the basic signed and unsigned types in
2841 # <stdint.h>, 0 otherwise. This will be obsolete when GCC ensures a
2842 # working <stdint.h> for all targets.
2844 proc check_effective_target_stdint_types { } {
2845 return [check_no_compiler_messages stdint_types assembly {
2847 int8_t a; int16_t b; int32_t c; int64_t d;
2848 uint8_t e; uint16_t f; uint32_t g; uint64_t h;
2852 # Return 1 if target has the basic signed and unsigned types in
2853 # <inttypes.h>, 0 otherwise. This is for tests that GCC's notions of
2854 # these types agree with those in the header, as some systems have
2855 # only <inttypes.h>.
2857 proc check_effective_target_inttypes_types { } {
2858 return [check_no_compiler_messages inttypes_types assembly {
2859 #include <inttypes.h>
2860 int8_t a; int16_t b; int32_t c; int64_t d;
2861 uint8_t e; uint16_t f; uint32_t g; uint64_t h;
2865 # Return 1 if programs are intended to be run on a simulator
2866 # (i.e. slowly) rather than hardware (i.e. fast).
2868 proc check_effective_target_simulator { } {
2870 # All "src/sim" simulators set this one.
2871 if [board_info target exists is_simulator] {
2872 return [board_info target is_simulator]
2875 # The "sid" simulators don't set that one, but at least they set
2877 if [board_info target exists slow_simulator] {
2878 return [board_info target slow_simulator]
2884 # Return 1 if the target is a VxWorks kernel.
2886 proc check_effective_target_vxworks_kernel { } {
2887 return [check_no_compiler_messages vxworks_kernel assembly {
2888 #if !defined __vxworks || defined __RTP__
2894 # Return 1 if the target is a VxWorks RTP.
2896 proc check_effective_target_vxworks_rtp { } {
2897 return [check_no_compiler_messages vxworks_rtp assembly {
2898 #if !defined __vxworks || !defined __RTP__
2904 # Return 1 if the target is expected to provide wide character support.
2906 proc check_effective_target_wchar { } {
2907 if {[check_missing_uclibc_feature UCLIBC_HAS_WCHAR]} {
2910 return [check_no_compiler_messages wchar assembly {
2915 # Return 1 if the target has <pthread.h>.
2917 proc check_effective_target_pthread_h { } {
2918 return [check_no_compiler_messages pthread_h assembly {
2919 #include <pthread.h>
2923 # Return 1 if the target can truncate a file from a file-descriptor,
2924 # as used by libgfortran/io/unix.c:fd_truncate; i.e. ftruncate or
2925 # chsize. We test for a trivially functional truncation; no stubs.
2926 # As libgfortran uses _FILE_OFFSET_BITS 64, we do too; it'll cause a
2927 # different function to be used.
2929 proc check_effective_target_fd_truncate { } {
2931 #define _FILE_OFFSET_BITS 64
2937 FILE *f = fopen ("tst.tmp", "wb");
2939 const char t[] = "test writing more than ten characters";
2942 write (fd, t, sizeof (t) - 1);
2944 if (ftruncate (fd, 10) != 0)
2947 f = fopen ("tst.tmp", "rb");
2948 if (fread (s, 1, sizeof (s), f) != 10 || strncmp (s, t, 10) != 0)
2954 if { [check_runtime ftruncate $prog] } {
2958 regsub "ftruncate" $prog "chsize" prog
2959 return [check_runtime chsize $prog]
2962 # Add to FLAGS all the target-specific flags needed to access the c99 runtime.
2964 proc add_options_for_c99_runtime { flags } {
2965 if { [istarget *-*-solaris2*] } {
2966 return "$flags -std=c99"
2968 if { [istarget powerpc-*-darwin*] } {
2969 return "$flags -mmacosx-version-min=10.3"
2974 # Return 1 if the target provides a full C99 runtime.
2976 proc check_effective_target_c99_runtime { } {
2977 return [check_cached_effective_target c99_runtime {
2980 set file [open "$srcdir/gcc.dg/builtins-config.h"]
2981 set contents [read $file]
2984 #ifndef HAVE_C99_RUNTIME
2988 check_no_compiler_messages_nocache c99_runtime assembly \
2989 $contents [add_options_for_c99_runtime ""]
2993 # Return 1 if target wchar_t is at least 4 bytes.
2995 proc check_effective_target_4byte_wchar_t { } {
2996 return [check_no_compiler_messages 4byte_wchar_t object {
2997 int dummy[sizeof (__WCHAR_TYPE__) >= 4 ? 1 : -1];
3001 # Return 1 if the target supports automatic stack alignment.
3003 proc check_effective_target_automatic_stack_alignment { } {
3004 if { [istarget i?86*-*-*]
3005 || [istarget x86_64-*-*] } then {
3012 # Return 1 if avx instructions can be compiled.
3014 proc check_effective_target_avx { } {
3015 return [check_no_compiler_messages avx object {
3016 void _mm256_zeroall (void)
3018 __builtin_ia32_vzeroall ();
3023 # Return 1 if C wchar_t type is compatible with char16_t.
3025 proc check_effective_target_wchar_t_char16_t_compatible { } {
3026 return [check_no_compiler_messages wchar_t_char16_t object {
3028 __CHAR16_TYPE__ *p16 = &wc;
3029 char t[(((__CHAR16_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1];
3033 # Return 1 if C wchar_t type is compatible with char32_t.
3035 proc check_effective_target_wchar_t_char32_t_compatible { } {
3036 return [check_no_compiler_messages wchar_t_char32_t object {
3038 __CHAR32_TYPE__ *p32 = &wc;
3039 char t[(((__CHAR32_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1];
3043 # Return 1 if pow10 function exists.
3045 proc check_effective_target_pow10 { } {
3046 return [check_runtime pow10 {
3056 # Return 1 if current options generate DFP instructions, 0 otherwise.
3058 proc check_effective_target_hard_dfp {} {
3059 return [check_no_messages_and_pattern hard_dfp "!adddd3" assembly {
3061 void foo (void) { z = x + y; }
3065 # Return 1 if string.h and wchar.h headers provide C++ requires overloads
3066 # for strchr etc. functions.
3068 proc check_effective_target_correct_iso_cpp_string_wchar_protos { } {
3069 return [check_no_compiler_messages correct_iso_cpp_string_wchar_protos assembly {
3072 #if !defined(__cplusplus) \
3073 || !defined(__CORRECT_ISO_CPP_STRING_H_PROTO) \
3074 || !defined(__CORRECT_ISO_CPP_WCHAR_H_PROTO)
3075 ISO C++ correct string.h and wchar.h protos not supported.
3082 # Return 1 if the MPC library is integrated with GCC, 0 otherwise.
3084 proc check_effective_target_mpc { } {
3085 return [check_no_compiler_messages mpc executable {
3086 extern void link_error(void);
3089 if (__builtin_csin(0) != 0)
3095 # Return 1 if the MPC library with mpc_pow is integrated with GCC, 0 otherwise.
3097 proc check_effective_target_mpc_pow { } {
3098 return [check_no_compiler_messages mpc_pow executable {
3099 extern void link_error(void);
3102 if (__builtin_cpow(1,1) != 1)
3108 # Return 1 if the language for the compiler under test is C.
3110 proc check_effective_target_c { } {
3112 if [string match $tool "gcc"] {
3118 # Return 1 if the language for the compiler under test is C++.
3120 proc check_effective_target_c++ { } {
3122 if [string match $tool "g++"] {