[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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