go issue28688 源码
golang issue28688 代码
文件路径：/test/fixedbugs/issue28688.go
// run -gcflags=-d=softfloat
// Copyright 2018 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.
package main
import (
"fmt"
)
// When using soft-float, OMUL might be rewritten to function
// call so we should ensure it was evaluated first. Stack frame
// setup for "test" function call should happen after call to runtime.fmul32
var x int32 = 1
func main() {
var y float32 = 1.0
test(x, y*y)
}
//go:noinline
func test(id int32, a float32) {
if id != x {
fmt.Printf("got: %d, want: %d\n", id, x)
panic("FAIL")
}
}
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