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master
test/fixedbugs/issue16733.go
16 строк
364 B
Keith Randall
cmd/compile: don't fold >32bit constants into a MULQ
16 авг 2016, 19:46
16 авг 2016, 19:46
d251030
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// compile // Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Issue 16733: don't fold constant factors into a multiply // beyond the capacity of a MULQ instruction (32 bits). package p func f(n int64) int64 { n *= 1000000 n *= 1000000 return n }