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Implement the getPointerRegClass method, which is required for the ptr_rc

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magic to work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28847 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-06-17 00:01:04 +00:00
parent f06ef2cc16
commit b1d26f6665
3 changed files with 20 additions and 6 deletions
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16
lib/Target/PowerPC/PPCInstrInfo.cpp
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@ -13,13 +13,23 @@
#include "PPCInstrInfo.h" #include "PPCInstrInfo.h"
#include "PPCGenInstrInfo.inc" #include "PPCGenInstrInfo.inc"
#include "PPC.h" #include "PPCTargetMachine.h"
#include "llvm/CodeGen/MachineInstrBuilder.h" #include "llvm/CodeGen/MachineInstrBuilder.h"
#include <iostream> #include <iostream>
using namespace llvm; using namespace llvm;
PPCInstrInfo::PPCInstrInfo() PPCInstrInfo::PPCInstrInfo(PPCTargetMachine &tm)
: TargetInstrInfo(PPCInsts, sizeof(PPCInsts)/sizeof(PPCInsts[0])) {} : TargetInstrInfo(PPCInsts, sizeof(PPCInsts)/sizeof(PPCInsts[0])), TM(tm) {}
/// getPointerRegClass - Return the register class to use to hold pointers.
/// This is used for addressing modes.
const TargetRegisterClass *PPCInstrInfo::getPointerRegClass() const {
if (TM.getSubtargetImpl()->isPPC64())
return &PPC::G8RCRegClass;
else
return &PPC::GPRCRegClass;
}
bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI, bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
unsigned& sourceReg, unsigned& sourceReg,

8
lib/Target/PowerPC/PPCInstrInfo.h
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@ -62,9 +62,10 @@ enum PPC970_Unit {
class PPCInstrInfo : public TargetInstrInfo { class PPCInstrInfo : public TargetInstrInfo {
PPCTargetMachine &TM;
const PPCRegisterInfo RI; const PPCRegisterInfo RI;
public: public:
PPCInstrInfo(); PPCInstrInfo(PPCTargetMachine &TM);
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
/// such, whenever a client has an instance of instruction info, it should /// such, whenever a client has an instance of instruction info, it should
@ -72,7 +73,10 @@ public:
/// ///
virtual const MRegisterInfo &getRegisterInfo() const { return RI; } virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
// /// getPointerRegClass - Return the register class to use to hold pointers.
/// This is used for addressing modes.
virtual const TargetRegisterClass *getPointerRegClass() const;
// Return true if the instruction is a register to register move and // Return true if the instruction is a register to register move and
// leave the source and dest operands in the passed parameters. // leave the source and dest operands in the passed parameters.
// //

2
lib/Target/PowerPC/PPCTargetMachine.cpp
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@ -87,7 +87,7 @@ unsigned PPC64TargetMachine::getModuleMatchQuality(const Module &M) {
PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS, PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
bool is64Bit) bool is64Bit)
: TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit), : TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
DataLayout(Subtarget.getTargetDataString()), DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
FrameInfo(*this, false), JITInfo(*this), TLInfo(*this), FrameInfo(*this, false), JITInfo(*this), TLInfo(*this),
InstrItins(Subtarget.getInstrItineraryData()) { InstrItins(Subtarget.getInstrItineraryData()) {