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internal/abi, internal/buildcfg: always enable register ABI on riscv64

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In Go 1.19, we develop register ABI for riscv64, enabled by default as a
GOEXPERIMENT. We can turn it on all the time in Go 1.20.

Change-Id: Ie8e2ac8b8bd3ebddb0dc6d58a5599547fb440e03
Reviewed-on: https://go-review.googlesource.com/c/go/+/443555
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Wayne Zuo 2022-10-17 17:38:50 +08:00 committed by Meng Zhuo
parent 2952fe4f16
commit 7e72d384d6
3 changed files with 2 additions and 6 deletions
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2
src/internal/abi/abi_generic.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !goexperiment.regabiargs && !amd64 && !arm64 && !ppc64 && !ppc64le
//go:build !goexperiment.regabiargs && !amd64 && !arm64 && !ppc64 && !ppc64le && !riscv64
package abi

2
src/internal/abi/abi_riscv64.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build goexperiment.regabiargs
package abi
const (

4
src/internal/buildcfg/exp.go
View File

@ -62,11 +62,9 @@ func ParseGOEXPERIMENT(goos, goarch, goexp string) (*ExperimentFlags, error) {
// always on.
var regabiSupported, regabiAlwaysOn bool
switch goarch {
case "amd64", "arm64", "ppc64le", "ppc64":
case "amd64", "arm64", "ppc64le", "ppc64", "riscv64":
regabiAlwaysOn = true
regabiSupported = true
case "riscv64":
regabiSupported = true
}
baseline := goexperiment.Flags{