diff options
| author | James Almer <jamrial@gmail.com> | 2016-07-03 18:48:22 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2016-07-05 17:48:20 -0300 |
| commit | 645489cf90b09a3bd1ed57b2c13b37b1512450bb (patch) | |
| tree | 0bdd6b66eceb397b88599e051b3b9f50eddef5f9 /libavcodec/x86 | |
| parent | d915b6e592309310c83fa27f4cec5b69ebbd51f2 (diff) | |
x86/dcadsp: optimize lfe_fir0_float_fma3 on x86_32
About 10% faster.
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/x86')
| -rw-r--r-- | libavcodec/x86/dcadsp.asm | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/libavcodec/x86/dcadsp.asm b/libavcodec/x86/dcadsp.asm index c5bf21aebd..055361a765 100644 --- a/libavcodec/x86/dcadsp.asm +++ b/libavcodec/x86/dcadsp.asm @@ -24,7 +24,7 @@ SECTION .text %define sizeof_float 4 -%define FMA3_OFFSET (8 * cpuflag(fma3) * ARCH_X86_64) +%define FMA3_OFFSET (8 * cpuflag(fma3)) %macro LFE_FIR0_FLOAT 0 cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks, cnt1, cnt2 @@ -101,11 +101,19 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks %endif %else ; ARCH_X86_32 %if cpuflag(fma3) - mulps m0, m7, [coeffq+cnt1q*8 ] - movaps m1, [coeffq+cnt1q*8+16] - mulps m2, m7, [coeffq+cnt1q*8+32] - fmaddps m0, m6, m1, m0 - fmaddps m2, m6, [coeffq+cnt1q*8+48], m2 + mulps m0, m7, [coeffq+cnt1q*8 ] + mulps m1, m7, [coeffq+cnt1q*8+32 ] + mulps m2, m7, [coeffq+cnt1q*8+64 ] + mulps m3, m7, [coeffq+cnt1q*8+96 ] + fmaddps m0, m6, [coeffq+cnt1q*8+16 ], m0 + fmaddps m1, m6, [coeffq+cnt1q*8+48 ], m1 + fmaddps m2, m6, [coeffq+cnt1q*8+80 ], m2 + fmaddps m3, m6, [coeffq+cnt1q*8+112], m3 + + haddps m0, m1 + haddps m2, m3 + haddps m0, m2 + movaps [samplesq+cnt1q], m0 %else mulps m0, m7, [coeffq+cnt1q*8 ] mulps m1, m6, [coeffq+cnt1q*8+16] @@ -113,13 +121,14 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks mulps m3, m6, [coeffq+cnt1q*8+48] addps m0, m1 addps m2, m3 -%endif + unpckhps m3, m0, m2 unpcklps m0, m2 addps m3, m0 movhlps m2, m3 addps m2, m3 movlps [samplesq+cnt1q], m2 +%endif %endif; ARCH %if ARCH_X86_64 @@ -154,10 +163,19 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks %endif %else ; ARCH_X86_32 %if cpuflag(fma3) - mulps m0, m5, [coeffq+cnt1q*8 ] - mulps m2, m5, [coeffq+cnt1q*8+32] - fmaddps m0, m4, m1, m0 - fmaddps m2, m4, [coeffq+cnt1q*8+48], m2 + mulps m0, m5, [coeffq+cnt1q*8 ] + mulps m1, m5, [coeffq+cnt1q*8+32 ] + mulps m2, m5, [coeffq+cnt1q*8+64 ] + mulps m3, m5, [coeffq+cnt1q*8+96 ] + fmaddps m0, m4, [coeffq+cnt1q*8+16 ], m0 + fmaddps m1, m4, [coeffq+cnt1q*8+48 ], m1 + fmaddps m2, m4, [coeffq+cnt1q*8+80 ], m2 + fmaddps m3, m4, [coeffq+cnt1q*8+112], m3 + + haddps m1, m0 + haddps m3, m2 + haddps m3, m1 + movaps [samplesq+cnt2q], m3 %else mulps m0, m5, [coeffq+cnt1q*8 ] mulps m1, m4, [coeffq+cnt1q*8+16] @@ -165,13 +183,14 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks mulps m3, m4, [coeffq+cnt1q*8+48] addps m0, m1 addps m2, m3 -%endif + unpckhps m3, m2, m0 unpcklps m2, m0 addps m3, m2 movhlps m0, m3 addps m0, m3 movlps [samplesq+cnt2q], m0 +%endif %endif; ARCH sub cnt2d, 8 + FMA3_OFFSET |