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go/test/abi/spills3.go
Dmitri Shuralyov b2fd76ab8d test: migrate remaining files to go:build syntax
Most of the test cases in the test directory use the new go:build syntax
already. Convert the rest. In general, try to place the build constraint
line below the test directive comment in more places.

For #41184.
For #60268.

Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b
Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/536236
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-10-19 23:33:25 +00:00

48 lines
826 B
Go

// run
//go:build !wasm
// Copyright 2021 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.
// wasm is excluded because the compiler chatter about register abi pragma ends up
// on stdout, and causes the expected output to not match.
package main
import "fmt"
type i4 struct {
a, b, c, d int
}
//go:noinline
func spills(px *i4) {
}
//go:registerparams
//go:noinline
func F(x i4) i4 {
ab := x.a + x.b
bc := x.b + x.c
cd := x.c + x.d
ad := x.a + x.d
ba := x.a - x.b
cb := x.b - x.c
dc := x.c - x.d
da := x.a - x.d
i := i4{ab*bc + da, cd*ad + cb, ba*cb + ad, dc*da + bc}
spills(&i)
return i
}
func main() {
x := i4{1, 2, 3, 4}
y := x
z := F(x)
if z != (i4{12, 34, 6, 8}) {
fmt.Printf("y=%v, z=%v\n", y, z)
}
}