[llvm-commits] CVS: llvm/lib/Target/PowerPC/PPCInstrInfo.cpp PPCInstrInfo.h PPCTargetMachine.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

PPCInstrInfo.cpp updated: 1.20 -> 1.21
PPCInstrInfo.h updated: 1.15 -> 1.16
PPCTargetMachine.cpp updated: 1.94 -> 1.95
---
Log message:

Implement the getPointerRegClass method, which is required for the ptr_rc
magic to work.


---
Diffs of the changes:  (+20 -6)

 PPCInstrInfo.cpp     |   16 +++++++++++++---
 PPCInstrInfo.h       |    8 ++++++--
 PPCTargetMachine.cpp |    2 +-
 3 files changed, 20 insertions(+), 6 deletions(-)


Index: llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.20 llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.21
--- llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1.20	Thu May  4 12:52:23 2006
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.cpp	Fri Jun 16 19:01:04 2006
@@ -13,13 +13,23 @@
 
 #include "PPCInstrInfo.h"
 #include "PPCGenInstrInfo.inc"
-#include "PPC.h"
+#include "PPCTargetMachine.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include <iostream>
 using namespace llvm;
 
-PPCInstrInfo::PPCInstrInfo()
-  : TargetInstrInfo(PPCInsts, sizeof(PPCInsts)/sizeof(PPCInsts[0])) {}
+PPCInstrInfo::PPCInstrInfo(PPCTargetMachine &tm)
+  : 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,
                                unsigned& sourceReg,


Index: llvm/lib/Target/PowerPC/PPCInstrInfo.h
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.15 llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.16
--- llvm/lib/Target/PowerPC/PPCInstrInfo.h:1.15	Wed May 24 12:04:04 2006
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.h	Fri Jun 16 19:01:04 2006
@@ -62,9 +62,10 @@
   
   
 class PPCInstrInfo : public TargetInstrInfo {
+  PPCTargetMachine &TM;
   const PPCRegisterInfo RI;
 public:
-  PPCInstrInfo();
+  PPCInstrInfo(PPCTargetMachine &TM);
 
   /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
   /// such, whenever a client has an instance of instruction info, it should
@@ -72,7 +73,10 @@
   ///
   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
   // leave the source and dest operands in the passed parameters.
   //


Index: llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
diff -u llvm/lib/Target/PowerPC/PPCTargetMachine.cpp:1.94 llvm/lib/Target/PowerPC/PPCTargetMachine.cpp:1.95
--- llvm/lib/Target/PowerPC/PPCTargetMachine.cpp:1.94	Fri Jun 16 13:50:48 2006
+++ llvm/lib/Target/PowerPC/PPCTargetMachine.cpp	Fri Jun 16 19:01:04 2006
@@ -87,7 +87,7 @@
 PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
                                    bool is64Bit)
   : TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
-    DataLayout(Subtarget.getTargetDataString()),
+    DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
     FrameInfo(*this, false), JITInfo(*this), TLInfo(*this),
     InstrItins(Subtarget.getInstrItineraryData()) {