diff options
| -rw-r--r-- | src/cmd/compile/internal/ssa/schedule.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/schedule.go b/src/cmd/compile/internal/ssa/schedule.go index 679d1487d0..49bad25765 100644 --- a/src/cmd/compile/internal/ssa/schedule.go +++ b/src/cmd/compile/internal/ssa/schedule.go @@ -15,6 +15,7 @@ import ( const ( ScorePhi = iota // towards top of block ScoreArg // must occur at the top of the entry block + ScoreInitMem // after the args - used as mark by debug info generation ScoreReadTuple // must occur immediately after tuple-generating insn (or call) ScoreNilCheck ScoreMemory @@ -162,9 +163,12 @@ func schedule(f *Func) { f.Fatalf("%s appeared outside of entry block, b=%s", v.Op, b.String()) } score[v.ID] = ScorePhi - case v.Op == OpArg || v.Op == OpSP || v.Op == OpSB || v.Op == OpInitMem: + case v.Op == OpArg || v.Op == OpSP || v.Op == OpSB: // We want all the args as early as possible, for better debugging. score[v.ID] = ScoreArg + case v.Op == OpInitMem: + // Early, but after args. See debug.go:buildLocationLists + score[v.ID] = ScoreInitMem case v.Type.IsMemory(): // Schedule stores as early as possible. This tends to // reduce register pressure. |