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cmd/compile: delete ZeroAuto

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ZeroAuto was used with the ambiguously live logic. The
ambiguously live logic is removed as we switched to stack
objects. It is now never called. Remove.

Change-Id: If4cdd7fed5297f8ab591cc392a76c80f57820856
Reviewed-on: https://go-review.googlesource.com/c/go/+/203538
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Cherry Zhang 2019-10-25 16:43:08 -04:00
parent 6afabe2768
commit 503bccb5d9
18 changed files with 0 additions and 167 deletions
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16
src/cmd/compile/internal/wasm/ssa.go
View file

@ -19,7 +19,6 @@ func Init(arch *gc.Arch) {
arch.MAXWIDTH = 1 << 50
arch.ZeroRange = zeroRange
arch.ZeroAuto = zeroAuto
arch.Ginsnop = ginsnop
arch.Ginsnopdefer = ginsnop
@ -45,21 +44,6 @@ func zeroRange(pp *gc.Progs, p *obj.Prog, off, cnt int64, state *uint32) *obj.Pr
return p
}
func zeroAuto(pp *gc.Progs, n *gc.Node) {
sym := n.Sym.Linksym()
size := n.Type.Size()
for i := int64(0); i < size; i += 8 {
p := pp.Prog(wasm.AGet)
p.From = obj.Addr{Type: obj.TYPE_REG, Reg: wasm.REG_SP}
p = pp.Prog(wasm.AI64Const)
p.From = obj.Addr{Type: obj.TYPE_CONST, Offset: 0}
p = pp.Prog(wasm.AI64Store)
p.To = obj.Addr{Type: obj.TYPE_MEM, Name: obj.NAME_AUTO, Offset: n.Xoffset + i, Sym: sym}
}
}
func ginsnop(pp *gc.Progs) *obj.Prog {
return pp.Prog(wasm.ANop)
}