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test/codegen: port structs test to codegen

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And delete them from asm_test.

Change-Id: Ia286239a3d8f3915f2ca25dbcb39f3354a4f8aea
Reviewed-on: https://go-review.googlesource.com/101138
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Alberto Donizetti 2018-03-16 12:05:18 +01:00
parent cc155ebf24
commit b61b1d2c57
2 changed files with 46 additions and 37 deletions
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37
src/cmd/compile/internal/gc/asm_test.go
View File

@ -279,43 +279,6 @@ var linuxAMD64Tests = []*asmTest{
`,
pos: []string{"\tSHLQ\t\\$5,", "\tLEAQ\t\\(.*\\)\\(.*\\*2\\),"},
},
// Structure zeroing. See issue #18370.
{
fn: `
type T1 struct {
a, b, c int
}
func $(t *T1) {
*t = T1{}
}
`,
pos: []string{"\tXORPS\tX., X", "\tMOVUPS\tX., \\(.*\\)", "\tMOVQ\t\\$0, 16\\(.*\\)"},
},
// SSA-able composite literal initialization. Issue 18872.
{
fn: `
type T18872 struct {
a, b, c, d int
}
func f18872(p *T18872) {
*p = T18872{1, 2, 3, 4}
}
`,
pos: []string{"\tMOVQ\t[$]1", "\tMOVQ\t[$]2", "\tMOVQ\t[$]3", "\tMOVQ\t[$]4"},
},
// Also test struct containing pointers (this was special because of write barriers).
{
fn: `
type T2 struct {
a, b, c *int
}
func f19(t *T2) {
*t = T2{}
}
`,
pos: []string{"\tXORPS\tX., X", "\tMOVUPS\tX., \\(.*\\)", "\tMOVQ\t\\$0, 16\\(.*\\)", "\tCALL\truntime\\.gcWriteBarrier\\(SB\\)"},
},
{
fn: `
func f33(m map[int]int) int {

46
test/codegen/structs.go Normal file
View File

@ -0,0 +1,46 @@
// 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
// This file contains code generation tests related to the handling of
// struct types.
// ------------- //
// Zeroing //
// ------------- //
type Z1 struct {
a, b, c int
}
func Zero1(t *Z1) { // Issue #18370
// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
*t = Z1{}
}
type Z2 struct {
a, b, c *int
}
func Zero2(t *Z2) {
// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
// amd64:`.*runtime[.]gcWriteBarrier\(SB\)`
*t = Z2{}
}
// ------------------ //
// Initializing //
// ------------------ //
type I1 struct {
a, b, c, d int
}
func Init1(p *I1) { // Issue #18872
// amd64:`MOVQ\t[$]1`,`MOVQ\t[$]2`,`MOVQ\t[$]3`,`MOVQ\t[$]4`
*p = I1{1, 2, 3, 4}
}