x86: Add support to build strcmp/strlen/strchr with explicit ISA level

[thirdparty/glibc.git] / sysdeps / x86_64 / multiarch / strcmp-sse2.S

diff --git a/sysdeps/x86_64/multiarch/strcmp-sse2.S b/sysdeps/x86_64/multiarch/strcmp-sse2.S
index b1220231abd7382ce662aa75045eb0b89f8fea82..3c69fc1df1b0031fc226243096a54bbe8a184488 100644 (file)
--- a/sysdeps/x86_64/multiarch/strcmp-sse2.S
+++ b/sysdeps/x86_64/multiarch/strcmp-sse2.S
@@ -16,7 +16,11 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#if IS_IN (libc) || IS_IN (rtld)
+#include <isa-level.h>
+
+/* Continue building at ISA level 2 as the strcmp-sse42 is not always
+   preferable for ISA level == 2 CPUs.  */
+#if ISA_SHOULD_BUILD (2)
 
 # define STRCMP_ISA    _sse2
 # include "strcmp-naming.h"