[llvm-commits] CVS: llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp SparcV8ISelSimple.cpp SparcV8RegisterInfo.cpp SparcV8RegisterInfo.td

Chris Lattner lattner at cs.uiuc.edu
Sun Dec 18 16:07:03 PST 2005



Changes in directory llvm/lib/Target/SparcV8:

SparcV8ISelDAGToDAG.cpp updated: 1.24 -> 1.25
SparcV8ISelSimple.cpp updated: 1.97 -> 1.98
SparcV8RegisterInfo.cpp updated: 1.28 -> 1.29
SparcV8RegisterInfo.td updated: 1.25 -> 1.26
---
Log message:

Elimiante SP and FP, which weren't members of the IntRegs register class


---
Diffs of the changes:  (+13 -29)

 SparcV8ISelDAGToDAG.cpp |    2 +-
 SparcV8ISelSimple.cpp   |   18 +++++++++---------
 SparcV8RegisterInfo.cpp |   19 +++----------------
 SparcV8RegisterInfo.td  |    3 ---
 4 files changed, 13 insertions(+), 29 deletions(-)


Index: llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
diff -u llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.24 llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.25
--- llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.24	Sun Dec 18 17:07:11 2005
+++ llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp	Sun Dec 18 18:06:52 2005
@@ -450,7 +450,7 @@
     
     if (ValToStore.Val) {
       if (!StackPtr.Val) {
-        StackPtr = DAG.getCopyFromReg(DAG.getEntryNode(), V8::SP, MVT::i32);
+        StackPtr = DAG.getCopyFromReg(DAG.getEntryNode(), V8::O6, MVT::i32);
         NullSV = DAG.getSrcValue(NULL);
       }
       SDOperand PtrOff = DAG.getConstant(ArgOffset, getPointerTy());


Index: llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp
diff -u llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp:1.97 llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp:1.98
--- llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp:1.97	Sun Dec 18 17:10:57 2005
+++ llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp	Sun Dec 18 18:06:52 2005
@@ -879,7 +879,7 @@
                 "About to dereference past end of OutgoingArgRegs");
         BuildMI (BB, V8::ORrr, 2, *OAR++).addReg (V8::G0).addReg (ArgReg);
       } else {
-        BuildMI (BB, V8::STri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (ArgReg);
       }
       ArgOffset += 4;
@@ -894,7 +894,7 @@
                 "About to dereference past end of OutgoingArgRegs");
         BuildMI (BB, V8::LDri, 2, *OAR++).addFrameIndex (FI).addSImm (0);
       } else {
-        BuildMI (BB, V8::STFri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STFri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (ArgReg);
       }
       ArgOffset += 4;
@@ -913,7 +913,7 @@
       } else {
         unsigned TempReg = makeAnotherReg (Type::IntTy);
         BuildMI (BB, V8::LDri, 2, TempReg).addFrameIndex (FI).addSImm (0);
-        BuildMI (BB, V8::STri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (TempReg);
       }
       ArgOffset += 4;
@@ -924,7 +924,7 @@
       } else {
         unsigned TempReg = makeAnotherReg (Type::IntTy);
         BuildMI (BB, V8::LDri, 2, TempReg).addFrameIndex (FI).addSImm (4);
-        BuildMI (BB, V8::STri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (TempReg);
       }
       ArgOffset += 4;
@@ -935,7 +935,7 @@
                 "About to dereference past end of OutgoingArgRegs");
         BuildMI (BB, V8::ORrr, 2, *OAR++).addReg (V8::G0).addReg (ArgReg);
       } else {
-        BuildMI (BB, V8::STri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (ArgReg);
       }
       ArgOffset += 4;
@@ -945,7 +945,7 @@
                 "About to dereference past end of OutgoingArgRegs");
         BuildMI (BB, V8::ORrr, 2, *OAR++).addReg (V8::G0).addReg (ArgReg+1);
       } else {
-        BuildMI (BB, V8::STri, 3).addReg (V8::SP).addSImm (ArgOffset)
+        BuildMI (BB, V8::STri, 3).addReg (V8::O6).addSImm (ArgOffset)
           .addReg (ArgReg+1);
       }
       ArgOffset += 4;
@@ -1708,11 +1708,11 @@
   BuildMI (BB, V8::ANDri, 2, StackAdjReg).addReg (TmpReg2).addSImm (-8);
 
   // Subtract size from stack pointer, thereby allocating some space.
-  BuildMI (BB, V8::SUBrr, 2, V8::SP).addReg (V8::SP).addReg (StackAdjReg);
+  BuildMI (BB, V8::SUBrr, 2, V8::O6).addReg (V8::O6).addReg (StackAdjReg);
 
   // Put a pointer to the space into the result register, by copying
   // the stack pointer.
-  BuildMI (BB, V8::ADDri, 2, getReg(I)).addReg (V8::SP).addSImm (96);
+  BuildMI (BB, V8::ADDri, 2, getReg(I)).addReg (V8::O6).addSImm (96);
 
   // Inform the Frame Information that we have just allocated a variable-sized
   // object.
@@ -1755,7 +1755,7 @@
     // Add the VarArgsOffset to the frame pointer, and copy it to the result.
     unsigned DestReg = getReg (CI.getOperand(1));
     unsigned Tmp = makeAnotherReg(Type::IntTy);
-    BuildMI (BB, V8::ADDri, 2, Tmp).addReg (V8::FP).addSImm (VarArgsOffset);
+    BuildMI (BB, V8::ADDri, 2, Tmp).addReg (V8::I6).addSImm (VarArgsOffset);
     BuildMI(BB, V8::STri, 3).addReg(DestReg).addSImm(0).addReg(Tmp);
     return;
   }


Index: llvm/lib/Target/SparcV8/SparcV8RegisterInfo.cpp
diff -u llvm/lib/Target/SparcV8/SparcV8RegisterInfo.cpp:1.28 llvm/lib/Target/SparcV8/SparcV8RegisterInfo.cpp:1.29
--- llvm/lib/Target/SparcV8/SparcV8RegisterInfo.cpp:1.28	Sat Dec 17 14:18:49 2005
+++ llvm/lib/Target/SparcV8/SparcV8RegisterInfo.cpp	Sun Dec 18 18:06:52 2005
@@ -25,19 +25,6 @@
   : SparcV8GenRegisterInfo(V8::ADJCALLSTACKDOWN,
                            V8::ADJCALLSTACKUP) {}
 
-static const TargetRegisterClass *getClass(unsigned SrcReg) {
-  if (V8::IntRegsRegisterClass->contains(SrcReg))
-    return V8::IntRegsRegisterClass;
-  else if (V8::FPRegsRegisterClass->contains(SrcReg))
-    return V8::FPRegsRegisterClass;
-  else if (V8::DFPRegsRegisterClass->contains(SrcReg))
-    return V8::DFPRegsRegisterClass;
-  else {
-    std::cerr << "Error: register of unknown class found: " << SrcReg << "\n";
-    abort ();
-  }
-}
-
 void SparcV8RegisterInfo::
 storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                     unsigned SrcReg, int FrameIdx,
@@ -93,7 +80,7 @@
   int size = MI.getOperand (0).getImmedValue ();
   if (MI.getOpcode () == V8::ADJCALLSTACKDOWN)
     size = -size;
-  BuildMI (MBB, I, V8::ADDri, 2, V8::SP).addReg (V8::SP).addSImm (size);
+  BuildMI (MBB, I, V8::ADDri, 2, V8::O6).addReg (V8::O6).addSImm (size);
   MBB.erase (I);
 }
 
@@ -109,7 +96,7 @@
   int FrameIndex = MI.getOperand(i).getFrameIndex();
 
   // Replace frame index with a frame pointer reference
-  MI.SetMachineOperandReg (i, V8::FP);
+  MI.SetMachineOperandReg (i, V8::I6);
 
   // Addressable stack objects are accessed using neg. offsets from %fp
   MachineFunction &MF = *MI.getParent()->getParent();
@@ -141,7 +128,7 @@
   // is required by the ABI.
   NumBytes = (NumBytes + 7) & ~7;
   BuildMI(MBB, MBB.begin(), V8::SAVEri, 2,
-          V8::SP).addImm(-NumBytes).addReg(V8::SP);
+          V8::O6).addImm(-NumBytes).addReg(V8::O6);
 }
 
 void SparcV8RegisterInfo::emitEpilogue(MachineFunction &MF,


Index: llvm/lib/Target/SparcV8/SparcV8RegisterInfo.td
diff -u llvm/lib/Target/SparcV8/SparcV8RegisterInfo.td:1.25 llvm/lib/Target/SparcV8/SparcV8RegisterInfo.td:1.26
--- llvm/lib/Target/SparcV8/SparcV8RegisterInfo.td:1.25	Sat Dec 17 19:20:35 2005
+++ llvm/lib/Target/SparcV8/SparcV8RegisterInfo.td	Sun Dec 18 18:06:52 2005
@@ -45,9 +45,6 @@
 def I3 : Ri<27, "I3">; def I4 : Ri<28, "I4">; def I5 : Ri<29, "I5">; 
 def I6 : Ri<30, "I6">; def I7 : Ri<31, "I7">;
 
-// Standard register aliases
-def SP : Ri<14, "SP">; def FP : Ri<30, "FP">;
-
 // Floating-point registers
 def F0  : Rf< 0,  "F0">; def F1  : Rf< 1,  "F1">; def F2  : Rf< 2,  "F2">; 
 def F3  : Rf< 3,  "F3">; def F4  : Rf< 4,  "F4">; def F5  : Rf< 5,  "F5">; 






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