Changes in directory llvm/lib/CodeGen/SelectionDAG:
SelectionDAGISel.cpp updated: 1.222 -> 1.223
---
Log message:
The BFS scheduler is apparently nondeterminstic (causes many llvmgcc bootstrap
miscompares). Switch RISC targets to use the list-td scheduler, which isn't.
---
Diffs of the changes: (+5 -2)
SelectionDAGISel.cpp | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.222
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.223
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.222 Wed Apr 12
11:20:43 2006
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Apr 21 12:16:16 2006
@@ -3126,9 +3126,12 @@
default: assert(0 && "Unrecognized scheduling heuristic");
case defaultScheduling:
if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency)
- SL = createSimpleDAGScheduler(noScheduling, DAG, BB);
- else /* TargetLowering::SchedulingForRegPressure */
+ SL = createTDListDAGScheduler(DAG, BB, CreateTargetHazardRecognizer());
+ else {
+ assert(TLI.getSchedulingPreference() ==
+ TargetLowering::SchedulingForRegPressure && "Unknown sched
type!");
SL = createBURRListDAGScheduler(DAG, BB);
+ }
break;
case noScheduling:
SL = createBFS_DAGScheduler(DAG, BB);
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