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Index: libmpeg2/cpu_accel.c
===================================================================
--- mpeg2dec/libmpeg2/cpu_accel.c (revision 1205)
+++ mpeg2dec/libmpeg2/cpu_accel.c (working copy)
@@ -111,7 +111,13 @@
cpuid (0x80000000, eax, ebx, ecx, edx);
if (eax < 0x80000001) /* no extended capabilities */
- return accel;
+ {
+#if defined(__x86_64__)
+ // SSE code is broken on mingw64, so disable it.
+ accel &= ~(MPEG2_ACCEL_X86_SSE2|MPEG2_ACCEL_X86_SSE3);
+#endif
+ return accel;
+ }
cpuid (0x80000001, eax, ebx, ecx, edx);
@@ -120,6 +126,10 @@
if (AMD && (edx & 0x00400000)) /* AMD MMX extensions */
accel |= MPEG2_ACCEL_X86_MMXEXT;
+#if defined(__x86_64__)
+ // SSE code is broken on mingw64, so disable it.
+ accel &= ~(MPEG2_ACCEL_X86_SSE2|MPEG2_ACCEL_X86_SSE3);
+#endif
}
#endif /* ACCEL_DETECT */
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