[PowerPC][NFC] Comments update and remove some unused def

llvm-svn: 363461

2 files changed, 2 insertions, 20 deletions

diff --git a/llvm/lib/Target/PowerPC/P9InstrResources.td b/llvm/lib/Target/PowerPC/P9InstrResources.td
index 2be2e4ff0f5..c2b862b3173 100644
--- a/llvm/lib/Target/PowerPC/P9InstrResources.td
+++ b/llvm/lib/Target/PowerPC/P9InstrResources.td
@@ -1,4 +1,4 @@
-//===- P9InstrResources.td - P9 Instruction Resource Defs  -*-tablegen-*- ===//
+//===- P9InstrResources.td - P9 Instruction Resource Defs  -*- tablegen -*-==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/llvm/lib/Target/PowerPC/PPCScheduleP9.td b/llvm/lib/Target/PowerPC/PPCScheduleP9.td
index 505bb14b631..6a79cca8919 100644
--- a/llvm/lib/Target/PowerPC/PPCScheduleP9.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleP9.td
@@ -189,7 +189,7 @@ let SchedModel = P9Model in {
 
   // ALU Units
   // An ALU may take either 2 or 3 cycles to complete the operation.
-  // However, the ALU unit is only every busy for 1 cycle at a time and may
+  // However, the ALU unit is only ever busy for 1 cycle at a time and may
   // receive new instructions each cycle.
   def P9_ALU_2C : SchedWriteRes<[ALU]> {
     let Latency = 2;
@@ -244,10 +244,6 @@ let SchedModel = P9Model in {
   // DP Unit
   // A DP unit may take from 2 to 36 cycles to complete.
   // Some DP operations keep the unit busy for up to 10 cycles.
-  def P9_DP_2C : SchedWriteRes<[DP]> {
-    let Latency = 2;
-  }
-
   def P9_DP_5C : SchedWriteRes<[DP]> {
     let Latency = 5;
   }
@@ -269,11 +265,6 @@ let SchedModel = P9Model in {
     let Latency = 22;
   }
 
-  def P9_DP_24C_8 : SchedWriteRes<[DP]> {
-    let ResourceCycles = [8];
-    let Latency = 24;
-  }
-
   def P9_DPO_24C_8 : SchedWriteRes<[DPO]> {
     let ResourceCycles = [8];
     let Latency = 24;
@@ -289,11 +280,6 @@ let SchedModel = P9Model in {
     let Latency = 22;
   }
 
-  def P9_DP_27C_7 : SchedWriteRes<[DP]> {
-    let ResourceCycles = [7];
-    let Latency = 27;
-  }
-
   def P9_DPE_27C_10 : SchedWriteRes<[DP]> {
     let ResourceCycles = [10];
     let Latency = 27;
@@ -424,16 +410,12 @@ let SchedModel = P9Model in {
   def P9_IntDivAndALUOp_26C_8 : WriteSequence<[P9_DIV_24C_8, P9_ALU_2C]>;
   def P9_IntDivAndALUOp_42C_8 : WriteSequence<[P9_DIV_40C_8, P9_ALU_2C]>;
   def P9_StoreAndALUOp_3C : WriteSequence<[P9_LS_1C, P9_ALU_2C]>;
-  def P9_StoreAndALUOp_4C : WriteSequence<[P9_LS_1C, P9_ALU_3C]>;
   def P9_ALUOpAndALUOp_4C : WriteSequence<[P9_ALU_2C, P9_ALU_2C]>;
   def P9_ALU2OpAndALU2Op_6C : WriteSequence<[P9_ALU_3C, P9_ALU_3C]>;
   def P9_ALUOpAndALUOpAndALUOp_6C :
     WriteSequence<[P9_ALU_2C, P9_ALU_2C, P9_ALU_2C]>;
   def P9_DPOpAndALUOp_7C : WriteSequence<[P9_DP_5C, P9_ALU_2C]>;
-  def P9_DPOpAndALUOp_9C : WriteSequence<[P9_DP_7C, P9_ALU_2C]>;
   def P9_DPOpAndALU2Op_10C : WriteSequence<[P9_DP_7C, P9_ALU_3C]>;
-  def P9_DPOpAndALUOp_24C_5 : WriteSequence<[P9_DP_22C_5, P9_ALU_2C]>;
-  def P9_DPOpAndALUOp_35C_8 : WriteSequence<[P9_DP_33C_8, P9_ALU_2C]>;
   def P9_DPOpAndALU2Op_25C_5 : WriteSequence<[P9_DP_22C_5, P9_ALU_3C]>;
   def P9_DPOpAndALU2Op_29C_5 : WriteSequence<[P9_DP_26C_5, P9_ALU_3C]>;
   def P9_DPOpAndALU2Op_36C_8 : WriteSequence<[P9_DP_33C_8, P9_ALU_3C]>;