Please use GitHub pull requests for new patches. Avoid migrating existing patches. Phabricator shutdown timeline

[LoongArch] Improve codegen for i8/i16 'atomicrmw xchg a, {0,-1}'
ClosedPublic
Actions

Authored by hev on Aug 30 2023, 11:52 PM.

Details

Reviewers

SixWeining
xen0n

Commits

rG6417ce4336ea: [LoongArch] Improve codegen for i8/i16 'atomicrmw xchg a, {0,-1}'

Summary

Similar to D156801 for RISCV.

Link: https://github.com/rust-lang/rust/pull/114034
Link: https://github.com/llvm/llvm-project/issues/64090

Diff Detail

Repository: rG LLVM Github Monorepo

Event Timeline

hev created this revision.Aug 30 2023, 11:52 PM

Herald added a project: Restricted Project. · View Herald TranscriptAug 30 2023, 11:52 PM

Herald added subscribers: luismarques, s.egerton, PkmX and 4 others. · View Herald Transcript

hev requested review of this revision.Aug 30 2023, 11:52 PM

Herald added a project: Restricted Project. · View Herald TranscriptAug 30 2023, 11:52 PM

Herald added subscribers: llvm-commits, wangpc. · View Herald Transcript

hev added a parent revision: D159251: [LoongArch] Add test cases for atomicrmw xchg {0,-1} {i8,i16}.Aug 30 2023, 11:52 PM

Harbormaster completed remote builds in B255928: Diff 554911.Aug 30 2023, 11:53 PM

I've checked the provided context and this patch seems a correct port of the desired behavior. Thanks!

This revision is now accepted and ready to land.Aug 31 2023, 12:21 AM

SixWeining accepted this revision.Aug 31 2023, 1:22 AM

This revision was landed with ongoing or failed builds.Sep 25 2023, 8:46 PM

Closed by commit rG6417ce4336ea: [LoongArch] Improve codegen for i8/i16 'atomicrmw xchg a, {0,-1}' (authored by hev, committed by SixWeining). · Explain Why

This revision was automatically updated to reflect the committed changes.

SixWeining added a commit: rG6417ce4336ea: [LoongArch] Improve codegen for i8/i16 'atomicrmw xchg a, {0,-1}'.

Revision Contents
Changeset List

Path

Size

llvm/

lib/

Target/

LoongArch/

LoongArchISelLowering.cpp

16 lines

test/

CodeGen/

LoongArch/

ir-instruction/

atomicrmw.ll

140 lines

Diff 557348

View Options

llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp