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x86/synth_filter: add synth_filter_fma3

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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
James Almer 2014-03-20 15:37:56 -03:00 committed by Anton Khirnov
parent 81e02fae6e
commit c74b86699c
2 changed files with 28 additions and 0 deletions
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22
libavcodec/x86/dcadsp.asm
View File

@ -230,6 +230,14 @@ DCA_LFE_FIR 1
SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12
mova m12, [ptr1 + j + mmsize]
%endif
%if cpuflag(fma3)
fmaddps m2, m6, [win + %1 + j + 16 * 4], m2
fnmaddps m1, m5, [win + %1 + j], m1
%if ARCH_X86_64
fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8
fnmaddps m7, m11, [win + %1 + j + mmsize], m7
%endif
%else ; non-FMA
mulps m6, m6, [win + %1 + j + 16 * 4]
mulps m5, m5, [win + %1 + j]
%if ARCH_X86_64
@ -242,6 +250,7 @@ DCA_LFE_FIR 1
addps m8, m8, m12
subps m7, m7, m11
%endif
%endif ; cpuflag(fma3)
;~ c += window[i + j + 32] * (synth_buf[16 + i + j])
;~ d += window[i + j + 48] * (synth_buf[31 - i + j])
SHUF m6, ptr2 + j + (31 - 3) * 4, m5
@ -250,6 +259,14 @@ DCA_LFE_FIR 1
SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11
mova m11, [ptr1 + j + mmsize + 16 * 4]
%endif
%if cpuflag(fma3)
fmaddps m3, m5, [win + %1 + j + 32 * 4], m3
fmaddps m4, m6, [win + %1 + j + 48 * 4], m4
%if ARCH_X86_64
fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9
fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10
%endif
%else ; non-FMA
mulps m5, m5, [win + %1 + j + 32 * 4]
mulps m6, m6, [win + %1 + j + 48 * 4]
%if ARCH_X86_64
@ -262,6 +279,7 @@ DCA_LFE_FIR 1
addps m9, m9, m11
addps m10, m10, m12
%endif
%endif ; cpuflag(fma3)
sub j, 64 * 4
%endmacro
@ -400,3 +418,7 @@ INIT_XMM sse2
SYNTH_FILTER
INIT_YMM avx
SYNTH_FILTER
%if HAVE_FMA3_EXTERNAL
INIT_YMM fma3
SYNTH_FILTER
%endif

6
libavcodec/x86/dcadsp_init.c
View File

@ -82,6 +82,9 @@ SYNTH_FILTER_FUNC(sse)
#endif
SYNTH_FILTER_FUNC(sse2)
SYNTH_FILTER_FUNC(avx)
#if HAVE_FMA3_EXTERNAL
SYNTH_FILTER_FUNC(fma3)
#endif
#endif /* HAVE_YASM */
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
@ -100,5 +103,8 @@ av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
if (EXTERNAL_AVX(cpu_flags)) {
s->synth_filter_float = synth_filter_avx;
}
if (EXTERNAL_FMA3(cpu_flags)) {
s->synth_filter_float = synth_filter_fma3;
}
#endif /* HAVE_YASM */
}