[PATCH] D59041: [SDAG][X86] Expand pow2 mulo using shifts
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 7 00:08:09 PST 2019
nikic planned changes to this revision.
nikic added inline comments.
================
Comment at: llvm/test/CodeGen/X86/mulo-pow2.ll:133
define <4 x i32> @smul_v4i32_2pow31(<4 x i32> %a, <4 x i32> %b) nounwind {
; AVX-LABEL: smul_v4i32_2pow31:
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This one isn't right ... INT_MIN can be multiplied by 0 and 1, not by 0 and -1.
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D59041/new/
https://reviews.llvm.org/D59041
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