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- Added getOpcodeAfterMemoryUnfold(). It doesn't unfold an instruction, but only returns the opcode of the instruction post unfolding.

Browse Source 
- Fix some copy+paste bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43153 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-10-18 22:40:57 +00:00
parent 58184e6878
commit f0a0cddbcd
15 changed files with 58 additions and 30 deletions

12
include/llvm/Target/MRegisterInfo.h

@ -508,7 +508,7 @@ public:
const TargetRegisterClass *RC) const = 0;
virtual void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const = 0;
@ -518,7 +518,7 @@ public:
const TargetRegisterClass *RC) const = 0;
virtual void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const =0;
@ -577,6 +577,14 @@ public:
return false;
}
/// getOpcodeAfterMemoryUnfold - Returns the opcode of the would be new
/// instruction after load / store are unfolded from the specified opcode.
/// It returns zero if the specified unfolding is impossible.
virtual unsigned getOpcodeAfterMemoryUnfold(unsigned Opc,
bool UnfoldLoad, bool UnfoldStore) const {
return 0;
}
/// targetHandlesStackFrameRounding - Returns true if the target is
/// responsible for rounding up the stack frame (probably at emitPrologue
/// time).

4
lib/Target/ARM/ARMRegisterInfo.cpp

@ -183,7 +183,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void ARMRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@ -239,7 +239,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void ARMRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;

4
lib/Target/ARM/ARMRegisterInfo.h

@ -52,7 +52,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -62,7 +62,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

4
lib/Target/Alpha/AlphaRegisterInfo.cpp

@ -83,7 +83,7 @@ AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void AlphaRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@ -128,7 +128,7 @@ AlphaRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void AlphaRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;

4
lib/Target/Alpha/AlphaRegisterInfo.h

@ -34,7 +34,7 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -44,7 +44,7 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

4
lib/Target/IA64/IA64RegisterInfo.cpp

@ -61,7 +61,7 @@ void IA64RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void IA64RegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@ -113,7 +113,7 @@ void IA64RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void IA64RegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;

4
lib/Target/IA64/IA64RegisterInfo.h

@ -35,7 +35,7 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -45,7 +45,7 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

4
lib/Target/Mips/MipsRegisterInfo.cpp

@ -96,7 +96,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void MipsRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (RC != Mips::CPURegsRegisterClass)
@ -128,7 +128,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void MipsRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (RC != Mips::CPURegsRegisterClass)

4
lib/Target/Mips/MipsRegisterInfo.h

@ -38,7 +38,7 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -48,7 +48,7 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

4
lib/Target/PowerPC/PPCRegisterInfo.cpp

@ -182,7 +182,7 @@ PPCRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void PPCRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (Addr[0].isFrameIndex()) {
@ -291,7 +291,7 @@ PPCRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void PPCRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
if (Addr[0].isFrameIndex()) {

4
lib/Target/PowerPC/PPCRegisterInfo.h

@ -41,7 +41,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -51,7 +51,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

4
lib/Target/Sparc/SparcRegisterInfo.cpp

@ -49,7 +49,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void SparcRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;
@ -91,7 +91,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
}
void SparcRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = 0;

4
lib/Target/Sparc/SparcRegisterInfo.h

@ -36,7 +36,7 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -46,7 +46,7 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;

18
lib/Target/X86/X86RegisterInfo.cpp

@ -806,7 +806,7 @@ void X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
}
void X86RegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = getStoreRegOpcode(RC);
@ -862,7 +862,7 @@ void X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
}
void X86RegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
unsigned Opc = getLoadRegOpcode(RC);
@ -1273,6 +1273,20 @@ X86RegisterInfo::unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
return true;
}
unsigned X86RegisterInfo::getOpcodeAfterMemoryUnfold(unsigned Opc,
bool UnfoldLoad, bool UnfoldStore) const {
DenseMap<unsigned*, std::pair<unsigned,unsigned> >::iterator I =
MemOp2RegOpTable.find((unsigned*)Opc);
if (I == MemOp2RegOpTable.end())
return 0;
bool HasLoad = I->second.second & (1 << 4);
bool HasStore = I->second.second & (1 << 5);
if (UnfoldLoad && !HasLoad)
return 0;
if (UnfoldStore && !HasStore)
return 0;
return I->second.first;
}
const unsigned *
X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {

10
lib/Target/X86/X86RegisterInfo.h

@ -89,7 +89,7 @@ public:
const TargetRegisterClass *RC) const;
void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -99,7 +99,7 @@ public:
const TargetRegisterClass *RC) const;
void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> Addr,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
@ -142,6 +142,12 @@ public:
bool unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
SmallVectorImpl<SDNode*> &NewNodes) const;
/// getOpcodeAfterMemoryUnfold - Returns the opcode of the would be new
/// instruction after load / store are unfolded from the specified opcode.
/// It returns zero if the specified unfolding is impossible.
unsigned getOpcodeAfterMemoryUnfold(unsigned Opc,
bool UnfoldLoad, bool UnfoldStore) const;
/// getCalleeSavedRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;