From cdff1cc98f3be4b8d5e51a352fc565d1a4e36f45 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Thu, 15 May 2014 19:03:02 -0300
Subject: [PATCH] configure: add check for AVX inline support
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
configure | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 8928f09a03..24f90906cf 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"'