diff options
Diffstat (limited to 'sysdeps/x86/configure.ac')
| -rw-r--r-- | sysdeps/x86/configure.ac | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/x86/configure.ac b/sysdeps/x86/configure.ac index 04a12ab..10d5c2e 100644 --- a/sysdeps/x86/configure.ac +++ b/sysdeps/x86/configure.ac @@ -110,7 +110,7 @@ if test $libc_cv_include_x86_isa_level = yes; then AC_CACHE_CHECK([for LAHF/SAHF instruction support], libc_cv_have_x86_lahf_sahf, [dnl libc_cv_have_x86_lahf_sahf=no - if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null) | grep -q "\-msahf"; then + if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null) | grep -qE '(-msahf\b|-march=x86-64-v)'; then libc_cv_have_x86_lahf_sahf=yes fi]) if test $libc_cv_have_x86_lahf_sahf = yes; then @@ -119,7 +119,7 @@ if test $libc_cv_include_x86_isa_level = yes; then AC_CACHE_CHECK([for MOVBE instruction support], libc_cv_have_x86_movbe, [dnl libc_cv_have_x86_movbe=no - if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null) | grep -q "\-mmovbe"; then + if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null) | grep -qE '(-mmovbe\b|-march=x86-64-v(@<:@3-9@:>@|@<:@1-9@:>@@<:@0-9@:>@))'; then libc_cv_have_x86_movbe=yes fi]) if test $libc_cv_have_x86_movbe = yes; then |