/
githubmirror
/
go
Обзор
Документация
Войти
/
githubmirror
/
go
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/fixedbugs/issue29943.go
28 строк
558 B
Ian Lance Taylor
cmd/compile: base PPC64 trunc rules on final type, not op type
27 янв 2019, 04:43
27 янв 2019, 04:43
d585f04
Код
Авторство
О чём код?
// run // Copyright 2019 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. // Code was miscompiled on ppc64le due to incorrect zero-extension // that was CSE'd. package main //go:noinline func g(i uint64) uint64 { return uint64(uint32(i)) } var sink uint64 func main() { for i := uint64(0); i < 1; i++ { i32 := int32(i - 1) sink = uint64((uint32(i32) << 1) ^ uint32((i32 >> 31))) x := g(uint64(i32)) if x != uint64(uint32(i32)) { panic(x) } } }