There is an SSE2 implementation so the SSE version is never used. The "SSE"
version also happens to contain SSE2 instructions on x86-64.
---
libavcodec/x86/dct32.asm | 3 +++
libavcodec/x86/dct_init.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/libavcodec/x86/dct32.asm b/libavcodec/x86/dct32.asm
index 9c147b9..fa723b0 100644
--- a/libavcodec/x86/dct32.asm
+++ b/libavcodec/x86/dct32.asm
@@ -482,7 +482,10 @@ cglobal dct32_float, 2, 3, 16, out, in, tmp
%endif
%endmacro
+%if ARCH_X86_64 == 0
INIT_XMM sse
DCT32_FUNC
+%endif
+
INIT_XMM sse2
DCT32_FUNC
diff --git a/libavcodec/x86/dct_init.c b/libavcodec/x86/dct_init.c
index ca9fbc7..b2e43a9 100644
--- a/libavcodec/x86/dct_init.c
+++ b/libavcodec/x86/dct_init.c
@@ -30,8 +30,10 @@ av_cold void ff_dct_init_x86(DCTContext *s)
{
int cpu_flags = av_get_cpu_flags();
+#if ARCH_X86_32
if (EXTERNAL_SSE(cpu_flags))
s->dct32 = ff_dct32_float_sse;
+#endif
if (EXTERNAL_SSE2(cpu_flags))
s->dct32 = ff_dct32_float_sse2;
if (EXTERNAL_AVX_FAST(cpu_flags))
--
1.8.3.2
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