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author | liuhongt <hongtao.liu@intel.com> | 2020-06-03 17:25:47 +0800 |
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committer | liuhongt <hongtao.liu@intel.com> | 2020-06-15 09:43:15 +0800 |
commit | 54cdb2f5a5b01a482d7cbce30e7b738558eecf59 (patch) | |
tree | ccae80dbe6df3f68a0d5eba65c76b43cb8a2ad88 /gcc/gimple-expr.c | |
parent | 0dcb572c08a7b4596f5481cb4491d755a63578ab (diff) | |
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Optimize multiplication for V8QI,V16QI,V32QI under TARGET_AVX512BW.
2020-06-13 Hongtao Liu <hongtao.liu@intel.com>
gcc/ChangeLog:
PR target/95488
* config/i386/i386-expand.c (ix86_expand_vecmul_qihi): New
function.
* config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Declare.
* config/i386/sse.md (mul<mode>3): Drop mask_name since
there's no real simd int8 multiplication instruction with
mask. Also optimize it under TARGET_AVX512BW.
(mulv8qi3): New expander.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512bw-pr95488-1.c: New test.
* gcc.target/i386/avx512bw-pr95488-2.c: Ditto.
* gcc.target/i386/avx512vl-pr95488-1.c: Ditto.
* gcc.target/i386/avx512vl-pr95488-2.c: Ditto.
Diffstat (limited to 'gcc/gimple-expr.c')
0 files changed, 0 insertions, 0 deletions