[go] simd: for 1.27, remove arm64 LookupOrKeep

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David Chase (Gerrit)

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Jun 4, 2026, 5:27:40 PM (2 days ago) Jun 4
to goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, Junyang Shao, golang...@luci-project-accounts.iam.gserviceaccount.com, Robert Griesemer, Keith Randall, Martin Möhrmann, Gopher Robot, golang-co...@googlegroups.com

David Chase submitted the change

Change information

Commit message:
simd: for 1.27, remove arm64 LookupOrKeep

We can add it later, removing it is harder.
Look into possibly reaching this through a peephole optimization.
Change-Id: I3ae0003b712998590ca995f0815c122d29dce054
Reviewed-by: Junyang Shao <shaoj...@google.com>
Files:
  • M src/cmd/compile/internal/ssa/_gen/simdARM64.rules
  • M src/cmd/compile/internal/ssa/_gen/simdgenericOps.go
  • M src/cmd/compile/internal/ssa/opGen.go
  • M src/cmd/compile/internal/ssa/rewriteARM64.go
  • M src/cmd/compile/internal/ssagen/simdARM64intrinsics.go
  • M src/simd/archsimd/_gen/simdgen/ops/Moves/categories.yaml
  • M src/simd/archsimd/_gen/simdgen/ops/Moves/go_arm64.yaml
  • M src/simd/archsimd/internal/simd_test/arm64_simd_test.go
  • M src/simd/archsimd/ops_arm64.go
Change size: M
Delta: 9 files changed, 3 insertions(+), 64 deletions(-)
Branch: refs/heads/master
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Gerrit-MessageType: merged
Gerrit-Project: go
Gerrit-Branch: master
Gerrit-Change-Id: I3ae0003b712998590ca995f0815c122d29dce054
Gerrit-Change-Number: 786822
Gerrit-PatchSet: 4
Gerrit-Owner: David Chase <drc...@google.com>
Gerrit-Reviewer: David Chase <drc...@google.com>
Gerrit-Reviewer: Junyang Shao <shaoj...@google.com>
Gerrit-Reviewer: Keith Randall <k...@golang.org>
Gerrit-Reviewer: Martin Möhrmann <moeh...@google.com>
Gerrit-Reviewer: Robert Griesemer <g...@golang.org>
Gerrit-CC: Gopher Robot <go...@golang.org>
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