[FFmpeg-devel] [PATCH 1/2] configure: add check for AVX inline support

James Almer jamrial at gmail.com
Fri May 16 00:03:02 CEST 2014


Signed-off-by: James Almer <jamrial at gmail.com>
---
 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 8928f09..24f9090 100755
--- a/configure
+++ b/configure
@@ -4392,7 +4392,8 @@ EOF
     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
 
-    # check whether binutils is new enough to compile SSSE3/MMXEXT
+    # check whether binutils is new enough to compile AVX/SSSE3/MMXEXT
+    enabled avx    && check_inline_asm avx_inline    '"vextractf128 $1, %ymm0, %xmm1"'
     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
 
-- 
1.8.5.5



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