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authorChristophe Gisquet <christophe.gisquet@gmail.com>2013-04-12 21:07:01 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-04-17 00:03:25 +0200
commit1a4007964c106d01f46a5a7f03c1c41fd869b35c (patch)
tree61e4cfb2b459089c084b358947ad6588b01fd14b /libavutil/x86/float_dsp_init.c
parent295ce83e2f06c352e11ac1918c3f1119f8b276ab (diff)
downloadffmpeg-streaming-1a4007964c106d01f46a5a7f03c1c41fd869b35c.zip
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x86: float dsp: butterflies_float SSE
97c -> 49c Some codecs could benefit from more unrolling, but AAC doesn't. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/x86/float_dsp_init.c')
-rw-r--r--libavutil/x86/float_dsp_init.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/x86/float_dsp_init.c b/libavutil/x86/float_dsp_init.c
index 16c6f36..ee74837 100644
--- a/libavutil/x86/float_dsp_init.c
+++ b/libavutil/x86/float_dsp_init.c
@@ -53,6 +53,8 @@ void ff_vector_fmul_reverse_avx(float *dst, const float *src0,
float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
+void ff_butterflies_float_sse(float *src0, float *src1, int len);
+
#if HAVE_6REGS && HAVE_INLINE_ASM
static void vector_fmul_window_3dnowext(float *dst, const float *src0,
const float *src1, const float *win,
@@ -138,6 +140,7 @@ void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
fdsp->vector_fmul_add = ff_vector_fmul_add_sse;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
fdsp->scalarproduct_float = ff_scalarproduct_float_sse;
+ fdsp->butterflies_float = ff_butterflies_float_sse;
}
if (EXTERNAL_SSE2(mm_flags)) {
fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
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