aboutsummaryrefslogtreecommitdiff
path: root/src/runtime/cpuflags_amd64.go
diff options
context:
space:
mode:
authorTobias Klauser <tklauser@distanz.ch>2018-04-11 09:57:18 +0200
committerTobias Klauser <tobias.klauser@gmail.com>2018-04-11 13:50:04 +0000
commite0ac5f540bf0d5fff39ce05d60e82d97a011e935 (patch)
treef4081b9912223fe70db94a7b1415d19873c7409d /src/runtime/cpuflags_amd64.go
parent51533fdac6157c4abb546619bf05530821557539 (diff)
downloadgo-e0ac5f540bf0d5fff39ce05d60e82d97a011e935.tar.gz
go-e0ac5f540bf0d5fff39ce05d60e82d97a011e935.zip
runtime: use internal/cpu instead of support_avx
After CL 104636 cpu.X86.HasAVX is set early enough that it can be used to determine useAVXmemmove. Use it and remove support_avx. Change-Id: Ib7a627bede2bf96c92362507e742bd833cb42a74 Reviewed-on: https://go-review.googlesource.com/106235 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src/runtime/cpuflags_amd64.go')
-rw-r--r--src/runtime/cpuflags_amd64.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/runtime/cpuflags_amd64.go b/src/runtime/cpuflags_amd64.go
index 3e408dae5f..9d2d4fcbe2 100644
--- a/src/runtime/cpuflags_amd64.go
+++ b/src/runtime/cpuflags_amd64.go
@@ -4,6 +4,8 @@
package runtime
+import "internal/cpu"
+
var useAVXmemmove bool
func init() {
@@ -16,5 +18,5 @@ func init() {
processor == 0x306A0 ||
processor == 0x306E0
- useAVXmemmove = support_avx && !isIntelBridgeFamily
+ useAVXmemmove = cpu.X86.HasAVX && !isIntelBridgeFamily
}