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sync: use 386 instead of x86-32 to refer to the 32 bit x86 architecture
This aligns the naming with GOARCH using 386 as a build target for this architecture and makes it more easily found when searching for documentation related to the build target. Change-Id: I393bb89dd2f71e568124107b13e1b288fbd0c76a Reviewed-on: https://go-review.googlesource.com/c/go/+/271988 Trust: Martin Möhrmann <moehrmann@google.com> Run-TryBot: Martin Möhrmann <martisch@uos.de> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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@ -43,15 +43,14 @@ import (
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"unsafe"
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)
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// BUG(rsc): On x86-32, the 64-bit functions use instructions unavailable before the Pentium MMX.
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// BUG(rsc): On 386, the 64-bit functions use instructions unavailable before the Pentium MMX.
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//
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// On non-Linux ARM, the 64-bit functions use instructions unavailable before the ARMv6k core.
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//
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// On ARM, x86-32, and 32-bit MIPS,
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// it is the caller's responsibility to arrange for 64-bit
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// alignment of 64-bit words accessed atomically. The first word in a
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// variable or in an allocated struct, array, or slice can be relied upon to be
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// 64-bit aligned.
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// On ARM, 386, and 32-bit MIPS, it is the caller's responsibility
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// to arrange for 64-bit alignment of 64-bit words accessed atomically.
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// The first word in a variable or in an allocated struct, array, or slice can
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// be relied upon to be 64-bit aligned.
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// SwapInt32 atomically stores new into *addr and returns the previous *addr value.
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func SwapInt32(addr *int32, new int32) (old int32)
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@ -15,7 +15,7 @@ type Once struct {
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// done indicates whether the action has been performed.
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// It is first in the struct because it is used in the hot path.
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// The hot path is inlined at every call site.
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// Placing done first allows more compact instructions on some architectures (amd64/x86),
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// Placing done first allows more compact instructions on some architectures (amd64/386),
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// and fewer instructions (to calculate offset) on other architectures.
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done uint32
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m Mutex
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