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Code Issues Releases Activity

avcodec/x86/synth_filter: Remove obsolete SSE function

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The only systems which benefit from synth_filter_sse are truely
ancient 32bit x86s as all other systems use at least the SSE2 versions
(this includes all x64 cpus (which is why this code is restricted
to x86-32)).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-06-14 20:31:03 +02:00
parent 54784ffac5
commit eb33fd384e
2 changed files with 1 additions and 13 deletions
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6
libavcodec/x86/synth_filter.asm
View File

@ -115,7 +115,7 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
synth_buf, synth_buf2, window, out, off, scale
%define scale m0
%if ARCH_X86_32 || WIN64
%if cpuflag(sse2) && notcpuflag(avx)
%if notcpuflag(avx)
movd scale, scalem
SPLATD m0
%else
@ -234,10 +234,6 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
RET
%endmacro
%if ARCH_X86_32
INIT_XMM sse
SYNTH_FILTER
%endif
INIT_XMM sse2
SYNTH_FILTER
INIT_YMM avx

8
libavcodec/x86/synth_filter_init.c
View File

@ -43,9 +43,6 @@ static void synth_filter_##opt(FFTContext *imdct, \
} \
#if HAVE_X86ASM
#if ARCH_X86_32
SYNTH_FILTER_FUNC(sse)
#endif
SYNTH_FILTER_FUNC(sse2)
SYNTH_FILTER_FUNC(avx)
SYNTH_FILTER_FUNC(fma3)
@ -56,11 +53,6 @@ av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
#if HAVE_X86ASM
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_SSE(cpu_flags)) {
s->synth_filter_float = synth_filter_sse;
}
#endif
if (EXTERNAL_SSE2(cpu_flags)) {
s->synth_filter_float = synth_filter_sse2;
}