diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2007-02-17 11:06:00 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-17 11:06:00 +0000 |
| commit | eceada67286f0d8081c23aedd242f4deeffa85ad (patch) | |
| tree | 21e36ca14975e100e7394975ee9521c57870eb11 /lib/Target/Sparc | |
| parent | efdcb839f20d09fd1e0455194b9a1df87d2d3a59 (diff) | |
Added getReservedRegs().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34376 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Sparc')
| -rw-r--r-- | lib/Target/Sparc/SparcRegisterInfo.cpp | 17 | ||||
| -rw-r--r-- | lib/Target/Sparc/SparcRegisterInfo.h | 2 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcRegisterInfo.cpp b/lib/Target/Sparc/SparcRegisterInfo.cpp index 3cb5e502f9..dab0b1037d 100644 --- a/lib/Target/Sparc/SparcRegisterInfo.cpp +++ b/lib/Target/Sparc/SparcRegisterInfo.cpp @@ -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 }; diff --git a/lib/Target/Sparc/SparcRegisterInfo.h b/lib/Target/Sparc/SparcRegisterInfo.h index 6f80339c01..763156a70c 100644 --- a/lib/Target/Sparc/SparcRegisterInfo.h +++ b/lib/Target/Sparc/SparcRegisterInfo.h @@ -52,6 +52,8 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo { const TargetRegisterClass* const* getCalleeSavedRegClasses() const; + BitVector getReservedRegs(const MachineFunction &MF) const; + bool hasFP(const MachineFunction &MF) const; void eliminateCallFramePseudoInstr(MachineFunction &MF, |