diff options
| author | James Almer <jamrial@gmail.com> | 2014-04-03 01:46:18 -0300 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-04-05 13:55:59 +0200 |
| commit | a1ac12bddd8ddb184281eadf5431dce29c02f27a (patch) | |
| tree | 7a2ff6bd64e7db685fcf6f36e63f6b1d6ea820ab /libavcodec | |
| parent | 3c728ceec66d4e26a3edbf136a459c271c8452cd (diff) | |
| download | ffmpeg-a1ac12bddd8ddb184281eadf5431dce29c02f27a.tar.gz | |
x86/dcadsp: add ff_dca_lfe_fir0_fma3
~10% faster than the SSE version.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/x86/dcadsp.asm | 9 | ||||
| -rw-r--r-- | libavcodec/x86/dcadsp_init.c | 5 |
2 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/x86/dcadsp.asm b/libavcodec/x86/dcadsp.asm index e49d63d8ad..2758daa6e4 100644 --- a/libavcodec/x86/dcadsp.asm +++ b/libavcodec/x86/dcadsp.asm @@ -132,11 +132,16 @@ DECODE_HF mulps va, %2 mulps vb, %2 %if %0 == 3 +%if cpuflag(fma3) + fmaddps va, m4, %3, va + fmaddps vb, m0, %3, vb +%else mulps m4, %3 mulps m0, %3 addps va, m4 addps vb, m0 %endif +%endif ; va = va1 va2 va3 va4 ; vb = vb1 vb2 vb3 vb4 %if %1 @@ -198,6 +203,10 @@ cglobal dca_lfe_fir%1, 3,3,6-%1, out, in, cf0 INIT_XMM sse DCA_LFE_FIR 0 DCA_LFE_FIR 1 +%if HAVE_FMA3_EXTERNAL +INIT_XMM fma3 +DCA_LFE_FIR 0 +%endif %macro SETZERO 1 %if cpuflag(sse2) && notcpuflag(avx) diff --git a/libavcodec/x86/dcadsp_init.c b/libavcodec/x86/dcadsp_init.c index 77f4398377..bb86c26037 100644 --- a/libavcodec/x86/dcadsp_init.c +++ b/libavcodec/x86/dcadsp_init.c @@ -34,6 +34,7 @@ void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs); void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs); +void ff_dca_lfe_fir0_fma3(float *out, const float *in, const float *coefs); av_cold void ff_dcadsp_init_x86(DCADSPContext *s) { @@ -54,6 +55,10 @@ av_cold void ff_dcadsp_init_x86(DCADSPContext *s) if (EXTERNAL_SSE4(cpu_flags)) { s->decode_hf = ff_decode_hf_sse4; } + + if (EXTERNAL_FMA3(cpu_flags)) { + s->lfe_fir[0] = ff_dca_lfe_fir0_fma3; + } } |