| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | runtime: don't use linkname to refer to internal/cpu | Ian Lance Taylor | 2018-08-21 | 1 | -2/+1 |
| | | | | | | | | | | | | | | | | The runtime package already imports the internal/cpu package, so there is no reason for it to use go:linkname comments to refer to internal/cpu functions and variables. Since internal/cpu is internal, we can just export those names. Removing the obscurity of go:linkname outweighs the minor additional complexity added to the internal/cpu API. Change-Id: Id89951b7f3fc67cd9bce67ac6d01d44a647a10ad Reviewed-on: https://go-review.googlesource.com/128755 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Martin Möhrmann <moehrmann@google.com> | ||||
| * | internal/cpu: add experiment to disable CPU features with GODEBUGCPU | Martin Möhrmann | 2018-05-22 | 1 | -0/+10 |
| Needs the go compiler to be build with GOEXPERIMENT=debugcpu to be active. The GODEBUGCPU environment variable can be used to disable usage of specific processor features in the Go standard library. This is useful for testing and benchmarking different code paths that are guarded by internal/cpu variable checks. Use of processor features can not be enabled through GODEBUGCPU. To disable usage of AVX and SSE41 cpu features on GOARCH amd64 use: GODEBUGCPU=avx=0,sse41=0 The special "all" option can be used to disable all options: GODEBUGCPU=all=0 Updates #12805 Updates #15403 Change-Id: I699c2e6f74d98472b6fb4b1e5ffbf29b15697aab Reviewed-on: https://go-review.googlesource.com/91737 Run-TryBot: Martin Möhrmann <moehrmann@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> | |||||
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