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go/test/codegen/stack.go
Alberto Donizetti 467eca6076 test/codegen: port last stack and memcombining tests
And delete them from asm_test.

Also delete an arm64 cmov test has been already ported to the new test
harness.

Change-Id: I4458721e1f512bc9ecbbe1c22a2c9c7109ad68fe
Reviewed-on: https://go-review.googlesource.com/106335
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Giovanni Bajo <rasky@develer.com>
2018-04-11 16:08:04 +00:00

37 lines
797 B
Go

// asmcheck
// 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 codegen
import "runtime"
// This file contains code generation tests related to the use of the
// stack.
// check that stack stores are optimized away
// 386:"TEXT\t.*, [$]0-4"
// amd64:"TEXT\t.*, [$]0-8"
// arm:"TEXT\t.*, [$]-4-4"
// arm64:"TEXT\t.*, [$]-8-8"
// s390x:"TEXT\t.*, [$]0-8"
// ppc64le:"TEXT\t.*, [$]0-8"
// mips:"TEXT\t.*, [$]-4-4"
func StackStore() int {
var x int
return *(&x)
}
// Check that assembly output has matching offset and base register
// (Issue #21064).
// amd64:`.*b\+24\(SP\)`
// arm:`.*b\+4\(FP\)`
func check_asmout(a, b int) int {
runtime.GC() // use some frame
return b
}