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bc2ef10f1b
It uses __get_cpuid_count, provided by cpuid.h. The xgetbv is implemented after its counterpart in cpu_x86.s. Change-Id: I97624d7da67ab4ec3c9a53b0bfc4dfcdf7d12c87 Reviewed-on: https://go-review.googlesource.com/116155 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
27 lines
628 B
Go
27 lines
628 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build 386 amd64 amd64p32
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// +build gccgo
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package cpu
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//extern gccgoGetCpuidCount
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func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32)
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func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) {
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var a, b, c, d uint32
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gccgoGetCpuidCount(eaxArg, ecxArg, &a, &b, &c, &d)
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return a, b, c, d
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}
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//extern gccgoXgetbv
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func gccgoXgetbv(eax, edx *uint32)
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func xgetbv() (eax, edx uint32) {
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var a, d uint32
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gccgoXgetbv(&a, &d)
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return a, d
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}
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