PR bootstrap/51098

[pf3gnuchains/gcc-fork.git] / libitm / acinclude.m4

diff --git a/libitm/acinclude.m4 b/libitm/acinclude.m4
index 58fbf42..9ff1393 100644 (file)
--- a/libitm/acinclude.m4
+++ b/libitm/acinclude.m4
@@ -98,7 +98,7 @@ AC_DEFUN([LIBITM_CHECK_SIZE_T_MANGLING], [
 dnl Check if as supports AVX instructions.
 AC_DEFUN([LIBITM_CHECK_AS_AVX], [
 case "${target_cpu}" in
-i[3456]86 | x86_64)
+i[[34567]]86 | x86_64)
   AC_CACHE_CHECK([if the assembler supports AVX], libitm_cv_as_avx, [
     AC_TRY_COMPILE([], [asm("vzeroupper");],
                   [libitm_cv_as_avx=yes], [libitm_cv_as_avx=no])