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-rw-r--r--lib/Target/PowerPC/PPCScheduleP7.td7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCScheduleP7.td b/lib/Target/PowerPC/PPCScheduleP7.td
index d3e4269..635d154 100644
--- a/lib/Target/PowerPC/PPCScheduleP7.td
+++ b/lib/Target/PowerPC/PPCScheduleP7.td
@@ -89,6 +89,10 @@ def P7Itineraries : ProcessorItineraries<
P7_DU3, P7_DU4], 0>,
InstrStage<1, [P7_FX1, P7_FX2]>],
[1, 1, 1]>,
+ InstrItinData<IIC_IntISEL, [InstrStage<1, [P7_DU1], 0>,
+ InstrStage<1, [P7_FX1, P7_FX2], 0>,
+ InstrStage<1, [P7_BRU]>],
+ [1, 1, 1, 1]>,
InstrItinData<IIC_IntCompare , [InstrStage<1, [P7_DU1, P7_DU2,
P7_DU3, P7_DU4], 0>,
InstrStage<1, [P7_FX1, P7_FX2]>],
@@ -380,6 +384,9 @@ def P7Model : SchedMachineModel {
// Itineraries are queried instead.
let MispredictPenalty = 16;
+ // Try to make sure we have at least 10 dispatch groups in a loop.
+ let LoopMicroOpBufferSize = 40;
+
let Itineraries = P7Itineraries;
}