Reviewed-by: Bruce Cherniak <bruce.chern...@intel.com> > On Jul 6, 2017, at 11:26 AM, Tim Rowley <timothy.o.row...@intel.com> wrote: > > Define these in terms of setzero for ancient gcc versions which don't > have the undefined intrinsics. > > Cc: mesa-sta...@lists.freedesktop.org > --- > src/gallium/drivers/swr/rasterizer/common/os.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/src/gallium/drivers/swr/rasterizer/common/os.h > b/src/gallium/drivers/swr/rasterizer/common/os.h > index 6e4d98f..8657709 100644 > --- a/src/gallium/drivers/swr/rasterizer/common/os.h > +++ b/src/gallium/drivers/swr/rasterizer/common/os.h > @@ -173,6 +173,12 @@ void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, > __m256i a) > _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a)); > _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1)); > } > + > +// gcc prior to 4.9 doesn't have _mm*_undefined_* > +#if (__GNUC__) && (GCC_VERSION < 409000) > +#define _mm_undefined_si128 _mm_setzero_si128 > +#define _mm256_undefined_ps _mm256_setzero_ps > +#endif > #endif > > inline > -- > 2.7.4 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
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