Added support for spilling
llvm-svn: 992
diff --git a/llvm/lib/Target/Sparc/SparcInternals.h b/llvm/lib/Target/Sparc/SparcInternals.h
index 3564251..653a201 100644
--- a/llvm/lib/Target/Sparc/SparcInternals.h
+++ b/llvm/lib/Target/Sparc/SparcInternals.h
@@ -113,9 +113,17 @@
+
+
+//----------------------------------------------------------------------------
+// class UltraSparcRegInfo
+//
+//----------------------------------------------------------------------------
+
+
class LiveRange;
class UltraSparc;
-
+class PhyRegAlloc;
class UltraSparcRegInfo : public MachineRegInfo
@@ -144,6 +152,9 @@
FloatCCRegType
};
+ // the size of a value (int, float, etc..) stored in the stack frame
+
+
// WARNING: If the above enum order must be changed, also modify
// getRegisterClassOfValue method below since it assumes this particular
@@ -158,6 +169,9 @@
unsigned const NumOfIntArgRegs;
unsigned const NumOfFloatArgRegs;
int const InvalidRegNum;
+ int SizeOfOperandOnStack;
+
+
//void setCallArgColor(LiveRange *const LR, const unsigned RegNo) const;
@@ -246,7 +260,8 @@
UltraSparcRegInfo(const UltraSparc *const USI ) : UltraSparcInfo(USI),
NumOfIntArgRegs(6),
NumOfFloatArgRegs(32),
- InvalidRegNum(1000)
+ InvalidRegNum(1000),
+ SizeOfOperandOnStack(8)
{
MachineRegClassArr.push_back( new SparcIntRegClass(IntRegClassID) );
MachineRegClassArr.push_back( new SparcFloatRegClass(FloatRegClassID) );
@@ -255,6 +270,7 @@
assert( SparcFloatRegOrder::StartOfNonVolatileRegs == 32 &&
"32 Float regs are used for float arg passing");
+
}
// ***** TODO Delete
@@ -317,7 +333,7 @@
AddedInstrns *const FirstAI) const;
void colorCallArgs(const MachineInstr *const CallMI, LiveRangeInfo& LRI,
- AddedInstrns *const CallAI) const;
+ AddedInstrns *const CallAI, PhyRegAlloc &PRA) const;
void colorRetValue(const MachineInstr *const RetI, LiveRangeInfo& LRI,
AddedInstrns *const RetAI) const;
@@ -402,6 +418,11 @@
return InvalidRegNum;
}
+
+ void insertCallerSavingCode(const MachineInstr *MInst,
+ const BasicBlock *BB, PhyRegAlloc &PRA ) const;
+
+
};
@@ -1115,7 +1136,9 @@
static const int FirstOutgoingArgOffsetFromSP = 128;
static const int FirstOptionalOutgoingArgOffsetFromSP = 176;
static const int StaticStackAreaOffsetFromFP = -1;
-
+
+ static const int FirstIncomingArgOffsetFromFP = 126;
+
static int getFirstAutomaticVarOffsetFromFP (const Method* method);
static int getRegSpillAreaOffsetFromFP (const Method* method);
static int getFrameSizeBelowDynamicArea (const Method* method);