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https://github.com/golang/go
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55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
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// compile
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// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Make sure floating point operations that generate flags
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// are scheduled correctly on s390x.
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package p
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func f1(x, y float64, z int) float64 {
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a := x + y // generate flags
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if z == 0 { // create basic block that does not clobber flags
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return a
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}
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if a > 0 { // use flags in different basic block
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return y
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}
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return x
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}
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func f2(x, y float64, z int) float64 {
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a := x - y // generate flags
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if z == 0 { // create basic block that does not clobber flags
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return a
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}
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if a > 0 { // use flags in different basic block
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return y
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}
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return x
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}
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func f3(x, y float32, z int) float32 {
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a := x + y // generate flags
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if z == 0 { // create basic block that does not clobber flags
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return a
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}
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if a > 0 { // use flags in different basic block
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return y
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}
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return x
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}
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func f4(x, y float32, z int) float32 {
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a := x - y // generate flags
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if z == 0 { // create basic block that does not clobber flags
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return a
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}
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if a > 0 { // use flags in different basic block
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return y
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}
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return x
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}
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