[llvm-commits] CVS: llvm/lib/Target/X86/X86RegisterInfo.cpp X86RegisterInfo.h

[Misha Brukman]

Changes in directory llvm/lib/Target/X86:

X86RegisterInfo.cpp updated: 1.5 -> 1.6
X86RegisterInfo.h updated: 1.3 -> 1.4

---
Log message:

Added support for callee- and caller-save registers.


---
Diffs of the changes:

Index: llvm/lib/Target/X86/X86RegisterInfo.cpp
diff -u llvm/lib/Target/X86/X86RegisterInfo.cpp:1.5 llvm/lib/Target/X86/X86RegisterInfo.cpp:1.6
--- llvm/lib/Target/X86/X86RegisterInfo.cpp:1.5	Mon Dec  2 15:10:35 2002
+++ llvm/lib/Target/X86/X86RegisterInfo.cpp	Tue Dec  3 17:11:21 2002
@@ -56,3 +56,28 @@
 unsigned X86RegisterInfo::getStackPointer() const {
   return X86::ESP;
 }
+
+const unsigned* X86RegisterInfo::getCalleeSaveRegs() const {
+  static const unsigned CalleeSaveRegs[] = { X86::ESI, X86::EDI, X86::EBX, X86::EBP,
+                                             MRegisterInfo::NoRegister };
+  return CalleeSaveRegs;
+}
+
+
+const unsigned* X86RegisterInfo::getCallerSaveRegs() const {
+  static const unsigned CallerSaveRegs[] = { X86::EAX, X86::ECX, X86::EDX,
+                                             MRegisterInfo::NoRegister };
+  return CallerSaveRegs;
+}
+
+void
+X86RegisterInfo::buildReg2RegClassMap
+(std::map<unsigned,
+ const TargetRegisterClass*>& Reg2RegClassMap) const
+{
+  for (MRegisterInfo::const_iterator I = const_regclass_begin(),
+         E = const_regclass_end(); I != E; ++I)
+  {
+    I->buildReg2RegClassMap(Reg2RegClassMap);
+  }
+}


Index: llvm/lib/Target/X86/X86RegisterInfo.h
diff -u llvm/lib/Target/X86/X86RegisterInfo.h:1.3 llvm/lib/Target/X86/X86RegisterInfo.h:1.4
--- llvm/lib/Target/X86/X86RegisterInfo.h:1.3	Fri Nov 22 16:43:47 2002
+++ llvm/lib/Target/X86/X86RegisterInfo.h	Tue Dec  3 17:11:21 2002
@@ -32,6 +32,9 @@
   unsigned getFramePointer() const;
   unsigned getStackPointer() const;
 
+  const unsigned* getCalleeSaveRegs() const;
+  const unsigned* getCallerSaveRegs() const;
+
   /// Returns register class appropriate for input SSA register
   /// 
   const TargetRegisterClass *getClassForReg(unsigned Reg) const;
@@ -40,6 +43,8 @@
 
   unsigned getNumRegClasses() const;
 
+  void buildReg2RegClassMap(std::map<unsigned,const TargetRegisterClass*>&
+                            Reg2RegClassMap) const;
 
 };