[RISCV] Support VECTOR_REVERSE mask operation.
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Authored by Jimerlife on Jun 27 2022, 2:06 AM.

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Reviewers

craig.topper
frasercrmck
benshi001

Commits

rG96ab083622f5: [RISCV] Support VECTOR_REVERSE mask operation.

Summary

Support vector_reverse mask operation. Widen i1 element type to i8, then reverse it, finally truncate result.

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Repository: rG LLVM Github Monorepo

Event Timeline

Jimerlife created this revision.Jun 27 2022, 2:06 AM

Herald added a project: Restricted Project. · View Herald TranscriptJun 27 2022, 2:06 AM

Herald added subscribers: sunshaoce, VincentWu, luke957 and 29 others. · View Herald Transcript

Jimerlife requested review of this revision.Jun 27 2022, 2:06 AM

Herald added subscribers: llvm-commits, pcwang-thead, eopXD and 2 others. · View Herald TranscriptJun 27 2022, 2:06 AM

Harbormaster completed remote builds in B172139: Diff 440133.Jun 27 2022, 2:57 AM

LGTM

This revision is now accepted and ready to land.Jun 27 2022, 9:25 AM

LGTM, but can you make sure to post a follow up patch to update cost model please?

In D128627#3613149, @reames wrote:

LGTM, but can you make sure to post a follow up patch to update cost model please?

I am not familiar with cost model, but I can try to do this.

This revision was landed with ongoing or failed builds.Jun 28 2022, 12:58 AM

Closed by commit rG96ab083622f5: [RISCV] Support VECTOR_REVERSE mask operation. (authored by Jimerlife). · Explain Why

This revision was automatically updated to reflect the committed changes.

Jimerlife added a commit: rG96ab083622f5: [RISCV] Support VECTOR_REVERSE mask operation..

Revision Contents
Changeset List

Path

Size

llvm/

lib/

Target/

RISCV/

RISCVISelLowering.cpp

7 lines

test/

CodeGen/

RISCV/

rvv/

named-vector-shuffle-reverse.ll

622 lines

Diff 440514

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llvm/lib/Target/RISCV/RISCVISelLowering.cpp