> On Apr 13, 2015, at 5:14 PM, Daniel Macks <dma...@netspace.org> wrote: > > On Mon, 13 Apr 2015 14:28:46 -0400, Daniel Macks <dma...@netspace.org> wrote: > [CC] vp9/common/x86/vp9_subpixel_8t_intrin_avx2.c.o >> vp9/common/x86/vp9_subpixel_8t_intrin_avx2.c:77:18: warning: implicit >> declaration of function '_mm256_broadcastsi128_si256' is invalid in C99 >> [-Wimplicit-function-declaration] >> filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg); >> ^ >> vp9/common/x86/vp9_subpixel_8t_intrin_avx2.c:41:41: note: expanded from macro >> 'MM256_BROADCASTSI128_SI256' >> # define MM256_BROADCASTSI128_SI256(x) _mm256_broadcastsi128_si256(x) >> ^ >> vp9/common/x86/vp9_subpixel_8t_intrin_avx2.c:77:16: error: assigning to >> '__m256i' from incompatible type 'int' >> filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg); >> ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> vp9/common/x86/vp9_subpixel_8t_intrin_avx2.c:322:16: error: assigning to >> '__m256i' from incompatible type 'int' >> filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg); >> ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> 1 warning and 2 errors generated. Xcode.app: 4.6.1 >> Xcode command-line tools: 4.6.0.0.1.1362189000 > > Correction (also in Subject line)...fails on 10.7 but *succeeds* on > 10.8. This .c has a bunch of generic clang-version and > apple-clang-specific #ifdef controls, maybe bitrotten platform guesses > that don’t know about the latest clang on older release branches? >
Yuck, that’s fun code. Weirdly, it’s using the older _mm_broadcastsi128_si256((__m128i const *)&(x)) for just clang <= 3.3 or == 5.0 and for everything else it uses _mm256_broadcastsi128_si256(x). Maybe it needs to use the older syntax for everything <= 5.0? Could you try changing that #if? That’s the only thing I can suggest since it works with > 5.0. Daniel
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