1 files changed, 2 insertions, 0 deletions
diff --git a/configure b/configure
index 0f51523ac6..ffb1e7e667 100755
--- a/configure
+++ b/configure
@@ -1126,6 +1126,7 @@ HAVE_LIST="
     rdtsc
     round
     roundf
+    rweflags
     sched_getaffinity
     sdl
     sdl_video_size
@@ -2747,6 +2748,7 @@ elif enabled x86; then
     check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
     check_code ld intrin.h "__rdtsc()" && enable rdtsc
+    check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
 
     check_code ld mmintrin.h "_mm_empty()" && enable mm_empty