[PPC] Early exit loop. NFC.

[oota-llvm.git] / lib / Target / PowerPC / PPCScheduleP7.td

diff --git a/lib/Target/PowerPC/PPCScheduleP7.td b/lib/Target/PowerPC/PPCScheduleP7.td
index a3670a55a049c8e212e9624111283f8c1de98c12..267f56726180b2e7dd9c13675084e73daf724f65 100644 (file)
--- 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]>],
@@ -311,6 +315,10 @@ def P7Itineraries : ProcessorItineraries<
                                                   P7_DU3, P7_DU4], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
                                   [5, 1, 1]>,
+  InstrItinData<IIC_FPAddSub    , [InstrStage<1, [P7_DU1, P7_DU2,
+                                                  P7_DU3, P7_DU4], 0>,
+                                   InstrStage<1, [P7_VS1, P7_VS2]>],
+                                  [5, 1, 1]>,
   InstrItinData<IIC_FPCompare   , [InstrStage<1, [P7_DU1, P7_DU2,
                                                   P7_DU3, P7_DU4], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
@@ -339,38 +347,30 @@ def P7Itineraries : ProcessorItineraries<
                                                   P7_DU3, P7_DU4], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
                                   [5, 1, 1]>,
-  InstrItinData<IIC_VecGeneral  , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecGeneral  , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1]>],
                                   [2, 1, 1]>,
-  InstrItinData<IIC_VecVSL      , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecVSL      , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1]>],
                                   [2, 1, 1]>,
-  InstrItinData<IIC_VecVSR      , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecVSR      , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1]>],
                                   [2, 1, 1]>,
-  InstrItinData<IIC_VecFP       , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecFP       , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
                                   [6, 1, 1]>,
-  InstrItinData<IIC_VecFPCompare, [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecFPCompare, [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
                                   [6, 1, 1]>,
-  InstrItinData<IIC_VecFPRound  , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecFPRound  , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1, P7_VS2]>],
                                   [6, 1, 1]>,
-  InstrItinData<IIC_VecComplex  , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecComplex  , [InstrStage<1, [P7_DU1], 0>,
                                    InstrStage<1, [P7_VS1]>],
                                   [7, 1, 1]>,
-  InstrItinData<IIC_VecPerm     , [InstrStage<1, [P7_DU1, P7_DU2,
-                                                  P7_DU3, P7_DU4], 0>,
+  InstrItinData<IIC_VecPerm     , [InstrStage<1, [P7_DU1, P7_DU2], 0>,
                                    InstrStage<1, [P7_VS2]>],
-                                  [2, 1, 1]>
+                                  [3, 1, 1]>
 ]>;
 
 // ===---------------------------------------------------------------------===//
@@ -388,6 +388,9 @@ 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;
 }