Files
golang.go/test/codegen/clobberdeadreg.go
Keith Randall d5b6d583c1 test/codegen: replace commas with spaces between regexps
Change-Id: Ia7a955833d761e08c1b8081fb29a2e6317de004c
Reviewed-on: https://go-review.googlesource.com/c/go/+/760681
Auto-Submit: Keith Randall <khr@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Paul Murphy <paumurph@redhat.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2026-03-31 11:01:16 -07:00

34 lines
1.3 KiB
Go

// asmcheck -gcflags=-clobberdeadreg
//go:build amd64
// 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.
package codegen
type S struct {
a, b, c, d, e, f int
}
func F(a, b, c int, d S) {
// -2401018187971961171 is 0xdeaddeaddeaddead
// amd64:`MOVQ \$-2401018187971961171, AX` `MOVQ \$-2401018187971961171, BX` `MOVQ \$-2401018187971961171, CX`
// amd64:`MOVQ \$-2401018187971961171, DX` `MOVQ \$-2401018187971961171, SI` `MOVQ \$-2401018187971961171, DI`
// amd64:`MOVQ \$-2401018187971961171, R8` `MOVQ \$-2401018187971961171, R9` `MOVQ \$-2401018187971961171, R10`
// amd64:`MOVQ \$-2401018187971961171, R11` `MOVQ \$-2401018187971961171, R12` `MOVQ \$-2401018187971961171, R13`
// amd64:-`MOVQ \$-2401018187971961171, BP` // frame pointer is not clobbered
StackArgsCall([10]int{a, b, c})
// amd64:`MOVQ \$-2401018187971961171, R12` `MOVQ \$-2401018187971961171, R13` `MOVQ \$-2401018187971961171, DX`
// amd64:-`MOVQ \$-2401018187971961171, AX` -`MOVQ \$-2401018187971961171, R11` // register args are not clobbered
RegArgsCall(a, b, c, d)
}
//go:noinline
func StackArgsCall([10]int) {}
//go:noinline
//go:registerparams
func RegArgsCall(int, int, int, S) {}