[all-commits] [llvm/llvm-project] dd2460: [X86] Always assign reassoc flag for intrinsics *r...
Pengfei Wang via All-commits
all-commits at lists.llvm.org
Tue Feb 9 05:14:40 PST 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: dd2460ed5d77d908327ce29a15630cd3268bd76e
https://github.com/llvm/llvm-project/commit/dd2460ed5d77d908327ce29a15630cd3268bd76e
Author: Wang, Pengfei <pengfei.wang at intel.com>
Date: 2021-02-09 (Tue, 09 Feb 2021)
Changed paths:
M clang/lib/CodeGen/CGBuiltin.cpp
M clang/lib/Headers/avx512fintrin.h
M clang/test/CodeGen/X86/avx512-reduceIntrin.c
Log Message:
-----------
[X86] Always assign reassoc flag for intrinsics *reduce_add/mul_ps/pd.
Intrinsics *reduce_add/mul_ps/pd have assumption that the elements in
the vector are reassociable. So we need to always assign the reassoc
flag when we call _mm_reduce_* intrinsics.
Reviewed By: spatel
Differential Revision: https://reviews.llvm.org/D96231
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