[Mesa-dev] [PATCH 0/2] avx512 initial usage
Tim Rowley
timothy.o.rowley at intel.com
Thu Nov 3 21:29:10 UTC 2016
Add code to detect avx512 cpu features, and allow llvm to generate
avx512 instructions with llvm-3.9+. gallivm will still treat avx512
capable processors as avx2 (256-bit vectors).
No piglit regressions with llvmpipe on llvm-3.9.0 and KNL.
Tim Rowley (2):
gallium: detect avx512 cpu features
gallivm: permit use of avx512 instructions on llvm-3.9+
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 3 +++
src/gallium/auxiliary/util/u_cpu_detect.c | 26 ++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_cpu_detect.h | 10 ++++++++++
3 files changed, 39 insertions(+)
--
2.9.3
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