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Diffstat (limited to 'vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go')
-rw-r--r--vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go b/vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go
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index 0000000..99c60fe
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+++ b/vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go
@@ -0,0 +1,31 @@
1// Copyright 2018 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build (386 || amd64 || amd64p32) && gccgo
6
7package cpu
8
9//extern gccgoGetCpuidCount
10func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32)
11
12func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) {
13 var a, b, c, d uint32
14 gccgoGetCpuidCount(eaxArg, ecxArg, &a, &b, &c, &d)
15 return a, b, c, d
16}
17
18//extern gccgoXgetbv
19func gccgoXgetbv(eax, edx *uint32)
20
21func xgetbv() (eax, edx uint32) {
22 var a, d uint32
23 gccgoXgetbv(&a, &d)
24 return a, d
25}
26
27// gccgo doesn't build on Darwin, per:
28// https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/gcc.rb#L76
29func darwinSupportsAVX512() bool {
30 return false
31}