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bits: use same expression with system bit size

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Change-Id: Ibce07f8f36f7c64f7022ce656f8efbec5dff3f82
Reviewed-on: https://go-review.googlesource.com/c/go/+/313829
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
yangwenmai 2021-04-27 08:30:25 +08:00 • committed by Keith Randall
parent bc6288794d
commit d553c0144d
2 changed files with 2 additions and 2 deletions
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2
src/cmd/compile/internal/ssa/poset.go
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@ -12,7 +12,7 @@ import (
// If true, check poset integrity after every mutation // If true, check poset integrity after every mutation
var debugPoset = false var debugPoset = false
const uintSize = 32 << (^uint(0) >> 32 & 1) // 32 or 64 const uintSize = 32 << (^uint(0) >> 63) // 32 or 64
// bitset is a bit array for dense indexes. // bitset is a bit array for dense indexes.
type bitset []uint type bitset []uint

2
src/math/bits/bits.go
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@ -8,7 +8,7 @@
// functions for the predeclared unsigned integer types. // functions for the predeclared unsigned integer types.
package bits package bits
const uintSize = 32 << (^uint(0) >> 32 & 1) // 32 or 64 const uintSize = 32 << (^uint(0) >> 63) // 32 or 64
// UintSize is the size of a uint in bits. // UintSize is the size of a uint in bits.
const UintSize = uintSize const UintSize = uintSize