Check whether compiler supports xmm registers in asm clobber list

Originally committed as revision 25362 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 4 insertions, 0 deletions

diff --git a/configure b/configure
index 7fa99da7cc..607a180973 100755
--- a/configure
+++ b/configure
@@ -1074,6 +1074,7 @@ HAVE_LIST="
     VirtualAlloc
     winsock2_h
     xform_asm
+    xmm_clobbers
     yasm
 "
 
@@ -2585,6 +2586,9 @@ EOF
     check_asm ebx_available '""::"b"(0)' &&
         check_asm ebx_available '"":::"%ebx"'
 
+    # check whether xmm clobbers are supported
+    check_asm xmm_clobbers '"":::"%xmm0"'
+
     # check whether more than 10 operands are supported
     check_cc <<EOF && enable ten_operands
 int main(void) {