diff options
Diffstat (limited to 'src/cmd/compile/internal/ppc64/ggen.go')
| -rw-r--r-- | src/cmd/compile/internal/ppc64/ggen.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ppc64/ggen.go b/src/cmd/compile/internal/ppc64/ggen.go index b3ce968567..4abd18dc3d 100644 --- a/src/cmd/compile/internal/ppc64/ggen.go +++ b/src/cmd/compile/internal/ppc64/ggen.go @@ -90,6 +90,23 @@ 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(ppc64.AMOVD, pp) + pp = p + p.From.Type = obj.TYPE_REG + p.From.Reg = ppc64.REGZERO + p.To.Type = obj.TYPE_MEM + p.To.Name = obj.NAME_AUTO + p.To.Reg = ppc64.REGSP + p.To.Offset = n.Xoffset + i + p.To.Sym = sym + } +} + func ginsnop() { p := gc.Prog(ppc64.AOR) p.From.Type = obj.TYPE_REG |