From: "Ronald S. Bultje" <rsbul...@gmail.com>
64-bit CPUs always have SSE2, and a SSE2 version exists, thus the MMX
version will never be used.
---
libavcodec/x86/vp3dsp.asm | 3 +++
libavcodec/x86/vp3dsp_init.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/libavcodec/x86/vp3dsp.asm b/libavcodec/x86/vp3dsp.asm
index 98b1cb5..0b3eaa0 100644
--- a/libavcodec/x86/vp3dsp.asm
+++ b/libavcodec/x86/vp3dsp.asm
@@ -615,8 +615,11 @@ cglobal vp3_idct_add, 3, 4, 9
RET
%endmacro
+%if ARCH_X86_32
INIT_MMX mmx
vp3_idct_funcs
+%endif
+
INIT_XMM sse2
vp3_idct_funcs
diff --git a/libavcodec/x86/vp3dsp_init.c b/libavcodec/x86/vp3dsp_init.c
index cd8e206..704d4a6 100644
--- a/libavcodec/x86/vp3dsp_init.c
+++ b/libavcodec/x86/vp3dsp_init.c
@@ -41,11 +41,13 @@ av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
#if HAVE_YASM
int cpuflags = av_get_cpu_flags();
+#if ARCH_X86_32
if (HAVE_MMX && cpuflags & AV_CPU_FLAG_MMX) {
c->idct_put = ff_vp3_idct_put_mmx;
c->idct_add = ff_vp3_idct_add_mmx;
c->idct_perm = FF_PARTTRANS_IDCT_PERM;
}
+#endif
if (HAVE_MMX2 && cpuflags & AV_CPU_FLAG_MMX2) {
c->idct_dc_add = ff_vp3_idct_dc_add_mmx2;
--
1.7.9.5
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