diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 27de850e..8b43d9a8 100644 --- a/configure.ac +++ b/configure.ac @@ -1033,7 +1033,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AVX instructions], [gcry_cv_gcc_inline_asm_avx=no AC_COMPILE_IFELSE([AC_LANG_SOURCE( [[void a(void) { - __asm__("vaesdeclast (%[mem]),%%xmm0,%%xmm7\n\t"::[mem]"r"(0):); + __asm__("xgetbv; vaesdeclast (%[mem]),%%xmm0,%%xmm7\n\t"::[mem]"r"(0):); }]])], [gcry_cv_gcc_inline_asm_avx=yes])]) if test "$gcry_cv_gcc_inline_asm_avx" = "yes" ; then @@ -1050,7 +1050,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AVX2 instructions], [gcry_cv_gcc_inline_asm_avx2=no AC_COMPILE_IFELSE([AC_LANG_SOURCE( [[void a(void) { - __asm__("vpbroadcastb %%xmm7,%%ymm1\n\t":::"cc"); + __asm__("xgetbv; vpbroadcastb %%xmm7,%%ymm1\n\t":::"cc"); }]])], [gcry_cv_gcc_inline_asm_avx2=yes])]) if test "$gcry_cv_gcc_inline_asm_avx2" = "yes" ; then |