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Code Issues Releases Activity

avcodec/x86/dcadsp: Remove obsolete SSE function

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The only systems which benefit from ff_lfe_fir0_float_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 2022-06-20 03:07:41 +02:00
parent 8360354ae8
commit 61e3cccd36
2 changed files with 2 additions and 18 deletions
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17
libavcodec/x86/dcadsp.asm
View File

@ -42,22 +42,13 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks
cvtdq2ps m5, [lfeq ]
shufps m7, m4, m4, q0123
shufps m6, m5, m5, q0123
%elif cpuflag(sse2)
%else
movu m4, [lfeq+16]
movu m5, [lfeq ]
cvtdq2ps m4, m4
cvtdq2ps m5, m5
pshufd m7, m4, q0123
pshufd m6, m5, q0123
%else
cvtpi2ps m4, [lfeq+16]
cvtpi2ps m0, [lfeq+24]
cvtpi2ps m5, [lfeq ]
cvtpi2ps m1, [lfeq+8 ]
shufps m4, m0, q1010
shufps m5, m1, q1010
shufps m7, m4, m4, q0123
shufps m6, m5, m5, q0123
%endif
.inner_loop:
@ -206,10 +197,6 @@ cglobal lfe_fir0_float, 4, 6, 12 + cpuflag(fma3)*4, samples, lfe, coeff, nblocks
RET
%endmacro
%if ARCH_X86_32
INIT_XMM sse
LFE_FIR0_FLOAT
%endif
INIT_XMM sse2
LFE_FIR0_FLOAT
%if HAVE_AVX_EXTERNAL
@ -235,7 +222,7 @@ cglobal lfe_fir1_float, 4, 6, 10, samples, lfe, coeff, nblocks, cnt1, cnt2
%if cpuflag(avx)
cvtdq2ps m4, [lfeq]
shufps m5, m4, m4, q0123
%elif cpuflag(sse2)
%else
movu m4, [lfeq]
cvtdq2ps m4, m4
pshufd m5, m4, q0123

3
libavcodec/x86/dcadsp_init.c
View File

@ -27,7 +27,6 @@ void ff_lfe_fir0_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
void ff_lfe_fir1_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
const float *filter_coeff, ptrdiff_t npcmblocks);
LFE_FIR_FLOAT_FUNC(sse)
LFE_FIR_FLOAT_FUNC(sse2)
LFE_FIR_FLOAT_FUNC(sse3)
LFE_FIR_FLOAT_FUNC(avx)
@ -37,8 +36,6 @@ av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (ARCH_X86_32 && EXTERNAL_SSE(cpu_flags))
s->lfe_fir_float[0] = ff_lfe_fir0_float_sse;
if (EXTERNAL_SSE2(cpu_flags))
s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2;
if (EXTERNAL_SSE3(cpu_flags))