diff options
| author | Martin Möhrmann <moehrmann@google.com> | 2018-05-25 14:01:25 +0200 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2018-05-25 13:14:07 +0000 |
| commit | 91d326e7341247dc3f4c391cc7eb7dd7163446aa (patch) | |
| tree | 566def6093657a7e43be2bf1c529f60062b1fc80 /src/runtime/proc.go | |
| parent | bdaadeb3878eebf672e240f4d2a37318594bc45e (diff) | |
| download | go-91d326e7341247dc3f4c391cc7eb7dd7163446aa.tar.xz | |
runtime: remove duplicate cpu feature detection on x86
This also allows the GODEBUGCPU options to change the
support_* runtime cpu feature variable values.
Change-Id: I884c5f03993afc7e3344ff2fd471a2c6cfde43d4
Reviewed-on: https://go-review.googlesource.com/114615
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/runtime/proc.go')
| -rw-r--r-- | src/runtime/proc.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/proc.go b/src/runtime/proc.go index ba76f7c3e7..e312c575d0 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -5,6 +5,7 @@ package runtime import ( + "internal/cpu" "runtime/internal/atomic" "runtime/internal/sys" "unsafe" @@ -507,6 +508,11 @@ func cpuinit() { } internal_cpu_initialize(env) + + support_erms = cpu.X86.HasERMS + support_popcnt = cpu.X86.HasPOPCNT + support_sse2 = cpu.X86.HasSSE2 + support_sse41 = cpu.X86.HasSSE41 } // The bootstrap sequence is: |