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| author | Daniel Santos <daniel.santos@pobox.com> | 2017-09-23 11:02:54 +0000 |
|---|---|---|
| committer | Daniel Santos <dansan@gcc.gnu.org> | 2017-09-23 11:02:54 +0000 |
| commit | 89762a83cdc24a5a9471acdc4676d150d3c71a11 (patch) | |
| tree | 972910d2ae215207d55ad79f76530d5903fe914b /libgcc/configure.ac | |
| parent | 099666b3fff6c1f81bc1e70bd17fba83c3f9c149 (diff) | |
| download | gcc-89762a83cdc24a5a9471acdc4676d150d3c71a11.zip gcc-89762a83cdc24a5a9471acdc4676d150d3c71a11.tar.gz gcc-89762a83cdc24a5a9471acdc4676d150d3c71a11.tar.bz2 | |
PR target/82196 addendum: Fix Darwin build breakage and test FAILS on Solaris
gcc/testsuite:
* gcc.target/i386/pr82196-1.c: (b): Remove volatile asm.
* gcc.target/i386/pr82196-2.c: (b): Likewise.
libgcc:
* configure.ac: Add Check for HAVE_AS_AVX.
* config.in: Regenerate.
* configure: Likewise.
* config/i386/i386-asm.h: Include auto-target.h from libgcc.
(SSE_SAVE, SSE_RESTORE): Emit .byte sequence for !HAVE_AS_AVX.
Correct out-of-date comments.
From-SVN: r253116
Diffstat (limited to 'libgcc/configure.ac')
| -rw-r--r-- | libgcc/configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libgcc/configure.ac b/libgcc/configure.ac index da49971..dd60b01 100644 --- a/libgcc/configure.ac +++ b/libgcc/configure.ac @@ -506,6 +506,22 @@ if test "$enable_tls $gcc_cv_use_emutls" = "yes yes"; then fi AC_SUBST(set_use_emutls) +dnl Check if as supports AVX instructions. +AC_DEFUN([LIBGCC_CHECK_AS_AVX], [ +case "${target}" in +i[[34567]]86-*-* | x86_64-*-*) + AC_CACHE_CHECK([if the assembler supports AVX], libgcc_cv_as_avx, [ + AC_TRY_COMPILE([], [asm("vzeroupper");], + [libgcc_cv_as_avx=yes], [libgcc_cv_as_avx=no]) + ]) + if test x$libgcc_cv_as_avx = xyes; then + AC_DEFINE(HAVE_AS_AVX, 1, [Define to 1 if the assembler supports AVX.]) + fi + ;; +esac]) +LIBGCC_CHECK_AS_AVX + +dnl Check if as supports RTM instructions. AC_CACHE_CHECK(for init priority support, libgcc_cv_init_priority, [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [[void ip (void) __attribute__ ((constructor (1)));]])], |