diff options
Diffstat (limited to 'src/cmd/compile/internal/s390x/ggen.go')
| -rw-r--r-- | src/cmd/compile/internal/s390x/ggen.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/s390x/ggen.go b/src/cmd/compile/internal/s390x/ggen.go index 15c65546d6..5ecfaa5177 100644 --- a/src/cmd/compile/internal/s390x/ggen.go +++ b/src/cmd/compile/internal/s390x/ggen.go @@ -143,6 +143,19 @@ 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. + p := gc.AddAsmAfter(s390x.ACLEAR, pp) + pp = p + p.From.Type = obj.TYPE_CONST + p.From.Offset = n.Type.Size() + p.To.Type = obj.TYPE_MEM + p.To.Name = obj.NAME_AUTO + p.To.Reg = s390x.REGSP + p.To.Offset = n.Xoffset + p.To.Sym = gc.Linksym(n.Sym) +} + func ginsnop() { p := gc.Prog(s390x.AOR) p.From.Type = obj.TYPE_REG |