lavu: use intrinsics for emms on systems lacking inline asm support

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 3 insertions, 0 deletions

diff --git a/configure b/configure
index 7507f8f387..a1506c9262 100755
--- a/configure
+++ b/configure
@@ -1116,6 +1116,7 @@ HAVE_LIST="
     MapViewOfFile
     memalign
     mkstemp
+    mm_empty
     mmap
     nanosleep
     netinet_sctp_h
@@ -2743,6 +2744,8 @@ elif enabled x86; then
 
     check_code ld intrin.h "__rdtsc()" && enable rdtsc
 
+    check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
+
     enable local_aligned_8 local_aligned_16
 
     # check whether EBP is available on x86