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x86/dct32: don't build ff_dct32_float_sse on x86_64

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There's an SSE2 version already, and technically the SSE version
on x86_64 was wrong (using pshufd and pshuflw, SSE2 instructions).

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer 2014-06-08 19:39:21 -03:00 committed by Michael Niedermayer
parent 7d8a60a442
commit 6d408495b5
2 changed files with 3 additions and 1 deletions
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2
libavcodec/x86/dct32.asm
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@ -484,7 +484,9 @@ cglobal dct32_float, 2, 3, 16, out, in, tmp
%endif %endif
%endmacro %endmacro
%if ARCH_X86_32
INIT_XMM sse INIT_XMM sse
DCT32_FUNC DCT32_FUNC
%endif
INIT_XMM sse2 INIT_XMM sse2
DCT32_FUNC DCT32_FUNC

2
libavcodec/x86/dct_init.c
View File

@ -30,7 +30,7 @@ av_cold void ff_dct_init_x86(DCTContext *s)
{ {
int cpu_flags = av_get_cpu_flags(); int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE(cpu_flags)) if (EXTERNAL_SSE(cpu_flags) && ARCH_X86_32)
s->dct32 = ff_dct32_float_sse; s->dct32 = ff_dct32_float_sse;
if (EXTERNAL_SSE2(cpu_flags)) if (EXTERNAL_SSE2(cpu_flags))
s->dct32 = ff_dct32_float_sse2; s->dct32 = ff_dct32_float_sse2;