[all-commits] [llvm/llvm-project] bc615e: [AArch64] Update addo and subo costs
David Green via All-commits
all-commits at lists.llvm.org
Fri Jan 7 08:20:35 PST 2022
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: bc615e436c5c0d406a66ff634ed5a0bd84fb2912
https://github.com/llvm/llvm-project/commit/bc615e436c5c0d406a66ff634ed5a0bd84fb2912
Author: David Green <david.green at arm.com>
Date: 2022-01-07 (Fri, 07 Jan 2022)
Changed paths:
M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
M llvm/test/Analysis/CostModel/AArch64/arith-overflow.ll
M llvm/test/Analysis/CostModel/AArch64/arith-ssat.ll
M llvm/test/Analysis/CostModel/AArch64/arith-usat.ll
M llvm/test/Transforms/LoopVectorize/AArch64/intrinsiccost.ll
Log Message:
-----------
[AArch64] Update addo and subo costs
Similar to D116732, this adds basic scalar sadd_with_overflow,
uadd_with_overflow, ssub_with_overflow and usub_with_overflow costs for
aarch64, which are usually quite efficiently lowered.
Differential Revision: https://reviews.llvm.org/D116734
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