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| author | David Green <david.green@arm.com> | 2022-03-03 10:42:57 +0000 |
|---|---|---|
| committer | David Green <david.green@arm.com> | 2022-03-03 10:42:57 +0000 |
| commit | 65c0e45a3790c391a0e87d9150c993dbb6537dee (patch) | |
| tree | 861a728527503bf3c60bff96e71a387affea59e8 /llvm/lib | |
| parent | 926f77dc228791ce62af8f4a3c512763e2be3ffa (diff) | |
| download | llvm-65c0e45a3790c391a0e87d9150c993dbb6537dee.zip llvm-65c0e45a3790c391a0e87d9150c993dbb6537dee.tar.gz llvm-65c0e45a3790c391a0e87d9150c993dbb6537dee.tar.bz2 | |
[AArch64] Vector shifts cost 1
The costs of vector shifts was 2 as opposed to 1, as the nodes are
marked custom. Fix this like the others and mark the nodes as cheap.
Differential Revision: https://reviews.llvm.org/D120773
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp index 7429c1b..e5b530d 100644 --- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp @@ -1824,6 +1824,9 @@ InstructionCost AArch64TTIImpl::getArithmeticInstrCost( case ISD::XOR: case ISD::OR: case ISD::AND: + case ISD::SRL: + case ISD::SRA: + case ISD::SHL: // These nodes are marked as 'custom' for combining purposes only. // We know that they are legal. See LowerAdd in ISelLowering. return (Cost + 1) * LT.first; |