[go] simd/archsimd: add Grouped for 256- and 512-bit SaturateTo(U)Int16Concat
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Cherry Mui (Gerrit)
Dec 19, 2025, 5:39:29 PM (2 days ago) Dec 19
to goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, David Chase, Go LUCI, golang-co...@googlegroups.com
Cherry Mui submitted the change![]( "Open in Gerrit")
Change information
Commit message:
simd/archsimd: add Grouped for 256- and 512-bit SaturateTo(U)Int16Concat, and fix type
They operate on 128-bit groups, so name them Grouped to be clear,
and consistent with other grouped operations. Reword the
documentation, mention the grouping only for grouped versions.
Also, SaturateToUnt16Concat(Grouped) is a signed int32 to unsigned
uint16 saturated conversion. The receiver and the parameter should
be signed. The result remains unsigned.
Change-Id: I30e28bc05e07f5c28214c9c6d9d201cbbb183468
Reviewed-on: https://go-review.googlesource.com/c/go/+/731501
Reviewed-by: David Chase <drc...@google.com>
LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>
Files:
- M src/cmd/compile/internal/amd64/simdssa.go
- M src/cmd/compile/internal/ssa/_gen/simdAMD64.rules
- M src/cmd/compile/internal/ssa/_gen/simdgenericOps.go
- M src/cmd/compile/internal/ssa/opGen.go
- M src/cmd/compile/internal/ssa/rewriteAMD64.go
- M src/cmd/compile/internal/ssagen/simdintrinsics.go
- M src/simd/archsimd/_gen/simdgen/godefs.go
- M src/simd/archsimd/_gen/simdgen/ops/Converts/categories.yaml
- M src/simd/archsimd/_gen/simdgen/ops/Converts/go.yaml
- M src/simd/archsimd/ops_amd64.go
Change size: M
Delta: 10 files changed, 117 insertions(+), 80 deletions(-)
Branch: refs/heads/master
Submit Requirements:
Code-Review: +2 by David Chase
TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI
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