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5d6581d747
For in-register arguments, it must have only a single copy of it present in the function. If there are multiple copies, it confuses the register allocator, as they are in the same register. Change-Id: I55cb06746f08aa7c9168026d0f411bce0a9f93f4 Reviewed-on: https://go-review.googlesource.com/c/go/+/306330 Trust: Cherry Zhang <cherryyz@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
49 lines
846 B
Go
49 lines
846 B
Go
// run
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// Copyright 2021 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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package main
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const p0exp = "foo"
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const p1exp = 10101
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const p2exp = 3030303
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const p3exp = 505050505
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const p4exp = 70707070707
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//go:noinline
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//go:registerparams
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func callee(p0 string, p1 uint64, p2 uint64, p3 uint64, p4 uint64) {
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if p0 != p0exp {
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panic("bad p0")
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}
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if p1 != p1exp {
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panic("bad p1")
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}
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if p2 != p2exp {
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panic("bad p2")
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}
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if p3 != p3exp {
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panic("bad p3")
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}
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if p4 != p4exp {
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panic("bad p4")
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}
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defer func(p0 string, p2 uint64) {
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if p0 != p0exp {
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panic("defer bad p0")
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}
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if p1 != p1exp {
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panic("defer bad p1")
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}
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if p2 != p2exp {
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panic("defer bad p2")
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}
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}(p0, p2)
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}
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func main() {
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callee(p0exp, p1exp, p2exp, p3exp, p4exp)
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}
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