diff options
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/link.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/link.go b/src/cmd/internal/obj/link.go index a3e4a0d309..462b9b2bd2 100644 --- a/src/cmd/internal/obj/link.go +++ b/src/cmd/internal/obj/link.go @@ -1100,6 +1100,7 @@ type Auto struct { type RegSpill struct { Addr Addr Reg int16 + Reg2 int16 // If not 0, a second register to spill at Addr+regSize. Only for some archs. Spill, Unspill As } @@ -1192,6 +1193,10 @@ func (fi *FuncInfo) SpillRegisterArgs(last *Prog, pa ProgAlloc) *Prog { spill.As = ra.Spill spill.From.Type = TYPE_REG spill.From.Reg = ra.Reg + if ra.Reg2 != 0 { + spill.From.Type = TYPE_REGREG + spill.From.Offset = int64(ra.Reg2) + } spill.To = ra.Addr last = spill } @@ -1208,6 +1213,10 @@ func (fi *FuncInfo) UnspillRegisterArgs(last *Prog, pa ProgAlloc) *Prog { unspill.From = ra.Addr unspill.To.Type = TYPE_REG unspill.To.Reg = ra.Reg + if ra.Reg2 != 0 { + unspill.To.Type = TYPE_REGREG + unspill.To.Offset = int64(ra.Reg2) + } last = unspill } return last |