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test/codegen: port arm64 slice zeroing tests

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Finish porting arm64 slice zeroing codegen tests; delete them from
asm_test.

Change-Id: Id2532df8ba1c340fa662a6b5238daa3de30548be
Reviewed-on: https://go-review.googlesource.com/105136
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Giovanni Bajo <rasky@develer.com>
This commit is contained in:
Alberto Donizetti 2018-04-06 18:44:00 +02:00
parent cd682f3832
commit 3e31eb6b84
2 changed files with 48 additions and 158 deletions
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154
src/cmd/compile/internal/gc/asm_test.go
View file

@ -428,160 +428,6 @@ var linuxARM64Tests = []*asmTest{
`,
pos: []string{"\tCSEL\t"},
},
// Check that zero stores are combine into larger stores
{
fn: `
func $(h []uint16) {
_ = h[1] // early bounds check to guarantee safety of writes below
h[0] = 0
h[1] = 0
}
`,
pos: []string{"MOVW\tZR"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(h []uint16) {
_ = h[1] // early bounds check to guarantee safety of writes below
h[1] = 0
h[0] = 0
}
`,
pos: []string{"MOVW\tZR"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(h []uint16) {
_ = h[3] // early bounds check to guarantee safety of writes below
h[0] = 0
h[1] = 0
h[2] = 0
h[3] = 0
}
`,
pos: []string{"MOVD\tZR"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
{
fn: `
func $(h []uint16) {
_ = h[3] // early bounds check to guarantee safety of writes below
h[2] = 0
h[3] = 0
h[1] = 0
h[0] = 0
}
`,
pos: []string{"MOVD\tZR"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
{
fn: `
func $(w []uint32) {
_ = w[1] // early bounds check to guarantee safety of writes below
w[0] = 0
w[1] = 0
}
`,
pos: []string{"MOVD\tZR"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
{
fn: `
func $(w []uint32) {
_ = w[1] // early bounds check to guarantee safety of writes below
w[1] = 0
w[0] = 0
}
`,
pos: []string{"MOVD\tZR"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
{
fn: `
func $(h []uint16) {
_ = h[7] // early bounds check to guarantee safety of writes below
h[0] = 0
h[1] = 0
h[2] = 0
h[3] = 0
h[4] = 0
h[5] = 0
h[6] = 0
h[7] = 0
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(w []uint32) {
_ = w[3] // early bounds check to guarantee safety of writes below
w[0] = 0
w[1] = 0
w[2] = 0
w[3] = 0
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(w []uint32) {
_ = w[3] // early bounds check to guarantee safety of writes below
w[1] = 0
w[0] = 0
w[3] = 0
w[2] = 0
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(d []uint64) {
_ = d[1] // early bounds check to guarantee safety of writes below
d[0] = 0
d[1] = 0
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(d []uint64) {
_ = d[1] // early bounds check to guarantee safety of writes below
d[1] = 0
d[0] = 0
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH"},
},
{
fn: `
func $(a *[39]byte) {
*a = [39]byte{}
}
`,
pos: []string{"MOVD"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
{
fn: `
func $(a *[30]byte) {
*a = [30]byte{}
}
`,
pos: []string{"STP"},
neg: []string{"MOVB", "MOVH", "MOVW"},
},
}
var linuxMIPS64Tests = []*asmTest{