From: David Chase <drchase@google.com>
Date: Thu, 22 May 2025 22:14:51 +0000 (-0400)
Subject: [dev.simd] internal/buildcfg: enable SIMD GOEXPERIMENT for amd64
X-Git-Tag: go1.26rc1~147^2~262
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=2ef7106881db51b485f092af93c1a1f01b60ab16;p=gostls13.git

[dev.simd] internal/buildcfg: enable SIMD GOEXPERIMENT for amd64

Since we are developing and testing this, the default is on.
This may still cause us a little headache when developing
on other-architecture laptops.

Change-Id: I9e9e5ea4ff2312c0c8385386b5012370f00dbfbd
Reviewed-on: https://go-review.googlesource.com/c/go/+/675735
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
---

diff --git a/src/internal/buildcfg/exp.go b/src/internal/buildcfg/exp.go
index e36ec08a5b..17a02415c4 100644
--- a/src/internal/buildcfg/exp.go
+++ b/src/internal/buildcfg/exp.go
@@ -84,6 +84,7 @@ func ParseGOEXPERIMENT(goos, goarch, goexp string) (*ExperimentFlags, error) {
 		AliasTypeParams: true,
 		SwissMap:        true,
 		SyncHashTrieMap: true,
+		SIMD:            goarch == "amd64", // TODO remove this (default to false) when dev.simd is merged
 		Dwarf5:          dwarf5Supported,
 	}