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path: root/src/cmd/compile/internal/mips64/ggen.go
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Diffstat (limited to 'src/cmd/compile/internal/mips64/ggen.go')
-rw-r--r--src/cmd/compile/internal/mips64/ggen.go17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/mips64/ggen.go b/src/cmd/compile/internal/mips64/ggen.go
index 2af4a8b1ce..eb48e2b261 100644
--- a/src/cmd/compile/internal/mips64/ggen.go
+++ b/src/cmd/compile/internal/mips64/ggen.go
@@ -95,6 +95,23 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64) *obj.Prog {
return p
}
+func zeroAuto(n *gc.Node, pp *obj.Prog) {
+ // Note: this code must not clobber any registers.
+ sym := gc.Linksym(n.Sym)
+ size := n.Type.Size()
+ for i := int64(0); i < size; i += 8 {
+ p := gc.AddAsmAfter(mips.AMOVV, pp)
+ pp = p
+ p.From.Type = obj.TYPE_REG
+ p.From.Reg = mips.REGZERO
+ p.To.Type = obj.TYPE_MEM
+ p.To.Name = obj.NAME_AUTO
+ p.To.Reg = mips.REGSP
+ p.To.Offset = n.Xoffset + i
+ p.To.Sym = sym
+ }
+}
+
func ginsnop() {
p := gc.Prog(mips.ANOR)
p.From.Type = obj.TYPE_REG