[llvm-commits] CVS: llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp SparcV8InstrInfo.td

[Chris Lattner]

Changes in directory llvm/lib/Target/SparcV8:

SparcV8ISelDAGToDAG.cpp updated: 1.47 -> 1.48
SparcV8InstrInfo.td updated: 1.101 -> 1.102
---
Log message:

Fix branches on FP compares


---
Diffs of the changes:  (+17 -21)

 SparcV8ISelDAGToDAG.cpp |   33 +++++++++++++++------------------
 SparcV8InstrInfo.td     |    5 ++---
 2 files changed, 17 insertions(+), 21 deletions(-)


Index: llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
diff -u llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.47 
llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.48
--- llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.47        Thu Jan 12 
01:38:04 2006
+++ llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp     Thu Jan 12 11:05:32 2006
@@ -665,13 +665,7 @@
       SDOperand Cond = DAG.getNode(V8ISD::CMPICC, VTs, Ops).getValue(1);
       return DAG.getNode(V8ISD::BRICC, MVT::Other, Chain, Dest, CC, Cond);
     } else {
-      std::vector<MVT::ValueType> VTs;
-      VTs.push_back(MVT::i32);
-      VTs.push_back(MVT::Flag);
-      std::vector<SDOperand> Ops;
-      Ops.push_back(LHS);
-      Ops.push_back(RHS);
-      SDOperand Cond = DAG.getNode(V8ISD::CMPFCC, VTs, Ops).getValue(1);
+      SDOperand Cond = DAG.getNode(V8ISD::CMPFCC, MVT::Flag, LHS, RHS);
       return DAG.getNode(V8ISD::BRFCC, MVT::Other, Chain, Dest, CC, Cond);
     }
   }
@@ -682,18 +676,21 @@
     SDOperand TrueVal = Op.getOperand(2);
     SDOperand FalseVal = Op.getOperand(3);
     
+    SDOperand CompareFlag;
     unsigned Opc;
-    Opc = LHS.getValueType() == MVT::i32 ? V8ISD::CMPICC : V8ISD::CMPFCC;
-    std::vector<MVT::ValueType> VTs;
-    VTs.push_back(LHS.getValueType());
-    VTs.push_back(MVT::Flag);
-    std::vector<SDOperand> Ops;
-    Ops.push_back(LHS);
-    Ops.push_back(RHS);
-    SDOperand CompareFlag = DAG.getNode(Opc, VTs, Ops).getValue(1);
-    
-    Opc = LHS.getValueType() == MVT::i32 ? 
-      V8ISD::SELECT_ICC : V8ISD::SELECT_FCC;
+    if (LHS.getValueType() == MVT::i32) {
+      std::vector<MVT::ValueType> VTs;
+      VTs.push_back(LHS.getValueType());   // subcc returns a value
+      VTs.push_back(MVT::Flag);
+      std::vector<SDOperand> Ops;
+      Ops.push_back(LHS);
+      Ops.push_back(RHS);
+      CompareFlag = DAG.getNode(V8ISD::CMPICC, VTs, Ops).getValue(1);
+      Opc = V8ISD::SELECT_ICC;
+    } else {
+      CompareFlag = DAG.getNode(V8ISD::CMPFCC, MVT::Flag, LHS, RHS);
+      Opc = V8ISD::SELECT_FCC;
+    }
     return DAG.getNode(Opc, TrueVal.getValueType(), TrueVal, FalseVal, 
                        DAG.getConstant(CC, MVT::i32), CompareFlag);
   }


Index: llvm/lib/Target/SparcV8/SparcV8InstrInfo.td
diff -u llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.101 
llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.102
--- llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.101   Wed Jan 11 01:49:38 2006
+++ llvm/lib/Target/SparcV8/SparcV8InstrInfo.td Thu Jan 12 11:05:32 2006
@@ -72,9 +72,8 @@
 def SDTV8ITOF :
 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
 
-def V8cmpicc : SDNode<"V8ISD::CMPICC", SDTIntBinOp,
-                      [SDNPCommutative, SDNPOutFlag]>;
-def V8cmpfcc : SDNode<"V8ISD::CMPFCC", SDTV8cmpfcc>;
+def V8cmpicc : SDNode<"V8ISD::CMPICC", SDTIntBinOp, [SDNPOutFlag]>;
+def V8cmpfcc : SDNode<"V8ISD::CMPFCC", SDTV8cmpfcc, [SDNPOutFlag]>;
 def V8bricc : SDNode<"V8ISD::BRICC", SDTV8brcc, [SDNPHasChain]>;
 def V8brfcc : SDNode<"V8ISD::BRFCC", SDTV8brcc, [SDNPHasChain]>;
 



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