Split out the PPC instruction class IntSimple from IntGeneral.

On the POWER7, adds and logical operations can also be handled
in the load/store pipelines. We'll call these IntSimple.

llvm-svn: 158366
diff --git a/llvm/lib/Target/PowerPC/PPCScheduleA2.td b/llvm/lib/Target/PowerPC/PPCScheduleA2.td
index 20e869d..ef41a05 100644
--- a/llvm/lib/Target/PowerPC/PPCScheduleA2.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleA2.td
@@ -60,6 +60,17 @@
    IU5, IU6, RF0, XRF1, XEX1, XEX2, XEX3, XEX4, XEX5, XEX6,
    FRF1, FEX1, FEX2, FEX3, FEX4, FEX5, FEX6],
   [CR_Bypass, GPR_Bypass, FPR_Bypass], [
+  InstrItinData<IntSimple   , [InstrStage<4,
+                                 [IU0to3_0, IU0to3_1, IU0to3_2, IU0to3_3]>,
+                               InstrStage<1, [IU4_0, IU4_1, IU4_2, IU4_3,
+                                              IU4_4, IU4_5, IU4_6, IU4_7]>,
+                               InstrStage<1, [IU5]>, InstrStage<1, [IU6]>,
+                               InstrStage<1, [RF0]>, InstrStage<1, [XRF1]>,
+                               InstrStage<1, [XEX1]>, InstrStage<1, [XEX2]>,
+                               InstrStage<1, [XEX3]>, InstrStage<1, [XEX4]>,
+                               InstrStage<1, [XEX5]>, InstrStage<1, [XEX6]>],
+                              [10, 7, 7],
+                              [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
   InstrItinData<IntGeneral  , [InstrStage<4,
                                  [IU0to3_0, IU0to3_1, IU0to3_2, IU0to3_3]>,
                                InstrStage<1, [IU4_0, IU4_1, IU4_2, IU4_3,