[go] simd/archsimd: correct documentation for pairwise operations

[Cherry Mui (Gerrit)]

Cherry Mui submitted the change

Change information

Commit message:

simd/archsimd: correct documentation for pairwise operations

For Add/SubPairs(Saturated?), the documented result element order
is wrong. Corrected.

Also, for 256-bit vectors, this is a grouped operation. So name it
with the Grouped suffix to be clear.

Change-Id: Idfd0975cb4a332b2e28c898613861205d26f75b0

Reviewed-on: https://go-review.googlesource.com/c/go/+/732020

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Reviewed-by: David Chase <drc...@google.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/ops/AddSub/categories.yaml
• M src/simd/archsimd/_gen/simdgen/ops/AddSub/go.yaml
• M src/simd/archsimd/internal/simd_test/simd_test.go
• M src/simd/archsimd/ops_amd64.go

Change size: L

Delta: 10 files changed, 446 insertions(+), 248 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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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: go

Gerrit-Branch: master

Gerrit-Change-Id: Idfd0975cb4a332b2e28c898613861205d26f75b0

Gerrit-Change-Number: 732020

Gerrit-PatchSet: 3

Gerrit-Owner: Cherry Mui <cher...@google.com>

Gerrit-Reviewer: Cherry Mui <cher...@google.com>

Gerrit-Reviewer: David Chase <drc...@google.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>