Added getReservedRegs().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34376 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-17 11:06:00 +00:00
parent efdcb839f2
commit eceada6728
13 changed files with 118 additions and 10 deletions

View File

@@ -20,6 +20,7 @@
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Type.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
@@ -116,6 +117,22 @@ const unsigned* SparcRegisterInfo::getCalleeSavedRegs() const {
return CalleeSavedRegs;
}
BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
BitVector Reserved(getNumRegs());
Reserved.set(SP::G2);
Reserved.set(SP::G3);
Reserved.set(SP::G4);
Reserved.set(SP::O6);
Reserved.set(SP::I6);
Reserved.set(SP::I7);
Reserved.set(SP::G0);
Reserved.set(SP::G5);
Reserved.set(SP::G6);
Reserved.set(SP::G7);
return Reserved;
}
const TargetRegisterClass* const*
SparcRegisterInfo::getCalleeSavedRegClasses() const {
static const TargetRegisterClass * const CalleeSavedRegClasses[] = { 0 };