[all-commits] [llvm/llvm-project] 953838: [LoongArch] Optimize vector bitreverse using scala...
ZhaoQi via All-commits
all-commits at lists.llvm.org
Mon Dec 9 17:11:50 PST 2024
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 953838dceaff3728b9aa53ea4259efca15f38f66
https://github.com/llvm/llvm-project/commit/953838dceaff3728b9aa53ea4259efca15f38f66
Author: ZhaoQi <zhaoqi01 at loongson.cn>
Date: 2024-12-10 (Tue, 10 Dec 2024)
Changed paths:
M llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
M llvm/lib/Target/LoongArch/LoongArchISelLowering.h
M llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
M llvm/test/CodeGen/LoongArch/lasx/bitreverse.ll
M llvm/test/CodeGen/LoongArch/lsx/bitreverse.ll
Log Message:
-----------
[LoongArch] Optimize vector bitreverse using scalar bitrev and vshuf4i (#118054)
Custom lower vector type bitreverse to scalar bitrev and vshuf4i
instructions.
Keep `v2i64` and `v4i64` bitreverse `Expand`, it's good enough.
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