From 866f1385b4144655a9ad09da54f6d810fcf181f9 Mon Sep 17 00:00:00 2001
From: Ruchira Sasanka <sasanka@students.uiuc.edu>
Date: Sat, 15 Sep 2001 19:11:31 +0000
Subject: [PATCH] modified printing of debug messages

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@593 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/SparcV9/SparcV9Internals.h       | 16 +----
 lib/Target/SparcV9/SparcV9RegInfo.cpp       | 78 ---------------------
 lib/Target/SparcV9/SparcV9TargetMachine.cpp | 27 +------
 3 files changed, 4 insertions(+), 117 deletions(-)

diff --git a/lib/Target/SparcV9/SparcV9Internals.h b/lib/Target/SparcV9/SparcV9Internals.h
index 43f67d3008a..87e4cd0e983 100644
--- a/lib/Target/SparcV9/SparcV9Internals.h
+++ b/lib/Target/SparcV9/SparcV9Internals.h
@@ -945,22 +945,12 @@ class UltraSparcRegInfo : public MachineRegInfo
       return res;
 
   }
-                   
 
-#if 0
-  unsigned getRCIDOfMachineOp (const MachineOperand & Op) const {
-
-    unsigned Type = getRegClassIDOfValue( Op.getVRegValue() );
-
-    if( Op.getOperandType() == MachineOperand::MO_CCRegister ) 
-      return Type + 2;               // because of the order of CC classes
-    else return Type;
+  // returns the register tha contains always zero
+  inline unsigned getZeroReg() {
+    return SparcIntRegOrder::g0;
   }
 
-#endif
-
-
-
   void colorArgs(const Method *const Meth, LiveRangeInfo& LRI) const;
 
   static void printReg(const LiveRange *const LR)  ;
diff --git a/lib/Target/SparcV9/SparcV9RegInfo.cpp b/lib/Target/SparcV9/SparcV9RegInfo.cpp
index fe6ec235fa4..0b30e5c1af6 100644
--- a/lib/Target/SparcV9/SparcV9RegInfo.cpp
+++ b/lib/Target/SparcV9/SparcV9RegInfo.cpp
@@ -237,81 +237,3 @@ void SparcFloatRegClass::colorIGNode(IGNode * Node,bool IsColorUsedArr[]) const
 
 
 
-
-
-
-
-#if 0
-
-//-----------------------------------------------------------------------------
-// Float Register Class
-//-----------------------------------------------------------------------------
-
-void SparcFloatRegClass::colorIGNode(IGNode * Node,bool IsColorUsedArr[]) const
-{
-
-  /* Algorithm:
-  Record the color of all neighbors.
-
-  Single precision can use f0 - f31
-  Double precision can use f0 - f63
-
-  if LR is a double, try to allocate f32 - f63.
-  if the above attempt fails, or Value is single presion, try to allcoate 
-    f0 - f31.
-
-      */
-
-  unsigned NumNeighbors =  Node->getNumOfNeighbors();   // total # of neighbors
-
-  for(unsigned n=0; n < NumNeighbors; n++) {            // for each neigh 
-    IGNode *NeighIGNode = Node->getAdjIGNode(n);
-    if( NeighIGNode->hasColor() ) {                     // if neigh has a color
-      IsColorUsedArr[ NeighIGNode->getColor() ] = true; // record that color
-      if( NeighIGNode->getTypeID() == Type::DoubleTyID )
-	IsColorUsedArr[ (NeighIGNode->getColor()) + 1 ] = true;  
-    }
-  }
-
-
-  unsigned SearchStart;                 // start pos of color in pref-order
-  bool ColorFound= false;               // have we found a color yet?
-  unsigned c;    
-
-
-  if( Node->getTypeID() == Type::DoubleTyID ) {        // if value is a double
-
-    // search the double only reigon (f32 - f63)
-     for( c=32; c < 64; c+= 2) { 
-      if( ! IsColorUsedArr[ c ] ) { ColorFound = true; break; }
-    }
-
-     // search f0 - f31 region
-    if( ! ColorFound )  {                // if color not found
-     for( c=0; c < 32; c+= 2) { 
-      if( ! IsColorUsedArr[ c ] ) { ColorFound = true; break; }
-     }
-    }
-
-  }
-
-  else {  // value is Single
-
-    for( c=0; c < 32; c++) { 
-      if( ! IsColorUsedArr[ c ] ) { ColorFound = true; break; }
-    }
-  }
-  
-
-  if( ColorFound) 
-    Node->setColor(c);                  // first color found in preferred order
-  else
-    Node->markForSpill();               // no color found - must spill
-
-
-  if( DEBUG_RA)                  
-    UltraSparcRegInfo::printReg( Node->getParentLR() );
-
-}
-
-#endif
diff --git a/lib/Target/SparcV9/SparcV9TargetMachine.cpp b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
index 2070af7a7aa..3e9998004df 100644
--- a/lib/Target/SparcV9/SparcV9TargetMachine.cpp
+++ b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
@@ -90,32 +90,7 @@ UltraSparcSchedInfo::initializeResources()
 
 
 
-//---------------------------------------------------------------------------
-// class UltraSparcRegInfo 
-//
-// Purpose:
-//   This class provides info about sparc register classes.
-//--------------------------------------------------------------------------
 
-#if 0
-UltraSparcRegInfo::UltraSparcRegInfo(const UltraSparc *const USI ) : 
-                                                      UltraSparcInfo(USI), 
-                                                      NumOfIntArgRegs(6), 
-                                                      NumOfFloatArgRegs(6) 
-  {    
-    MachineRegClassArr.push_back( new SparcIntRegClass(IntRegClassID) );
-    MachineRegClassArr.push_back( new SparcFloatRegClass(FloatRegClassID) );
-    MachineRegClassArr.push_back( new SparcIntCCRegClass(IntCCRegClassID) );
-    MachineRegClassArr.push_back( new SparcFloatCCRegClass(FloatCCRegClassID));
-
-    assert( SparcFloatRegOrder::StartOfNonVolatileRegs == 6 && 
-	    "6 Float regs are used for float arg passing");
-  }
-
-  // ***** TODO  insert deletes for reg classes 
-UltraSparcRegInfo::~UltraSparcRegInfo(void) { }    // empty destructor 
-
-#endif
 
 //---------------------------------------------------------------------------
 // UltraSparcRegInfo
@@ -427,7 +402,7 @@ UltraSparc::UltraSparc() : TargetMachine("UltraSparc-Native"),
   optSizeForSubWordData = 4;
   minMemOpWordSize = 8; 
   maxAtomicMemOpWordSize = 8;
-  zeroRegNum = 0;			// %g0 always gives 0 on Sparc
+  zeroRegNum = RegInfo.getZeroReg();	   // %g0 always gives 0 on Sparc
 }