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authorJames Almer <jamrial@gmail.com>2014-02-22 02:47:01 -0300
committerMichael Niedermayer <michaelni@gmx.at>2014-02-22 17:25:52 +0100
commita2af8eddab75f1eac712411e4dde89823c0845e8 (patch)
treef2ba681511f1d83bcac6fb75c45d187f81fde690 /configure
parentf98821dddb4abb3764fc2f22a6afe3eb11292d3c (diff)
downloadffmpeg-a2af8eddab75f1eac712411e4dde89823c0845e8.tar.gz
x86: add detection for FMA3 instruction set
Based on x264 code Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure b/configure
index 6385038042..70f20b5538 100755
--- a/configure
+++ b/configure
@@ -323,6 +323,7 @@ Optimization options (experts only):
--disable-sse42 disable SSE4.2 optimizations
--disable-avx disable AVX optimizations
--disable-xop disable XOP optimizations
+ --disable-fma3 disable FMA3 optimizations
--disable-fma4 disable FMA4 optimizations
--disable-avx2 disable AVX2 optimizations
--disable-armv5te disable armv5te optimizations
@@ -1455,6 +1456,7 @@ ARCH_EXT_LIST_X86='
avx
avx2
cpunop
+ fma3
fma4
i686
mmx
@@ -1828,6 +1830,7 @@ sse4_deps="ssse3"
sse42_deps="sse4"
avx_deps="sse42"
xop_deps="avx"
+fma3_deps="avx"
fma4_deps="avx"
avx2_deps="avx"
@@ -4252,6 +4255,7 @@ EOF
die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
+ check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
check_yasm "CPU amdnop" && enable cpunop
fi
@@ -4937,6 +4941,7 @@ if enabled x86; then
echo "SSSE3 enabled ${ssse3-no}"
echo "AVX enabled ${avx-no}"
echo "XOP enabled ${xop-no}"
+ echo "FMA3 enabled ${fma3-no}"
echo "FMA4 enabled ${fma4-no}"
echo "i686 features enabled ${i686-no}"
echo "CMOV is fast ${fast_cmov-no}"