swr/rast: _mm*_undefined_* implementations for gcc<4.9
authorTim Rowley <timothy.o.rowley@intel.com>
Thu, 6 Jul 2017 15:28:53 +0000 (10:28 -0500)
committerTim Rowley <timothy.o.rowley@intel.com>
Thu, 6 Jul 2017 20:00:28 +0000 (15:00 -0500)
commitf0a22956be4802e01f2b4f3244f011212626f12d
treefb57514c614bdc69730907593fd9019d3031f850
parenta6893a50c8ae5b68e4175366dac718ee9f6fa9d1
swr/rast: _mm*_undefined_* implementations for gcc<4.9

Define these in terms of setzero for ancient gcc versions which don't
have the undefined intrinsics.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
src/gallium/drivers/swr/rasterizer/common/os.h