-//===- X86RegisterInfo.h - X86 Register Information Impl --------*- C++ -*-===//
+//===-- X86RegisterInfo.h - X86 Register Information Impl -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#define X86REGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
-#include "X86GenRegisterInfo.h.inc"
+
+#define GET_REGINFO_HEADER
+#include "X86GenRegisterInfo.inc"
namespace llvm {
class Type;
class TargetInstrInfo;
class X86TargetMachine;
-/// N86 namespace - Native X86 register numbers
-///
-namespace N86 {
- enum {
- EAX = 0, ECX = 1, EDX = 2, EBX = 3, ESP = 4, EBP = 5, ESI = 6, EDI = 7
- };
-}
-
-/// DWARFFlavour - Flavour of dwarf regnumbers
-///
-namespace DWARFFlavour {
- enum {
- X86_64 = 0, X86_32_DarwinEH = 1, X86_32_Generic = 2
- };
-}
-
class X86RegisterInfo : public X86GenRegisterInfo {
public:
X86TargetMachine &TM;
/// register identifier.
static unsigned getX86RegNum(unsigned RegNo);
- /// getDwarfRegNum - allows modification of X86GenRegisterInfo::getDwarfRegNum
- /// (created by TableGen) for target dependencies.
- int getDwarfRegNum(unsigned RegNum, bool isEH) const;
- int getLLVMRegNum(unsigned RegNum, bool isEH) const;
-
// FIXME: This should be tablegen'd like getDwarfRegNum is
int getSEHRegNum(unsigned i) const;
+ /// getCompactUnwindRegNum - This function maps the register to the number for
+ /// compact unwind encoding. Return -1 if the register isn't valid.
+ int getCompactUnwindRegNum(unsigned RegNum, bool isEH) const;
+
/// Code Generation virtual methods...
///
getMatchingSuperRegClass(const TargetRegisterClass *A,
const TargetRegisterClass *B, unsigned Idx) const;
+ virtual const TargetRegisterClass *
+ getSubClassWithSubReg(const TargetRegisterClass *RC, unsigned Idx) const;
+
const TargetRegisterClass*
getLargestLegalSuperClass(const TargetRegisterClass *RC) const;
/// getCalleeSavedRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
+ const uint32_t *getCallPreservedMask(CallingConv::ID) const;
/// getReservedRegs - Returns a bitset indexed by physical register number
/// indicating if a register is a special register that has particular uses and
int SPAdj, RegScavenger *RS = NULL) const;
// Debug information queries.
- unsigned getRARegister() const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getStackRegister() const { return StackPtr; }
// FIXME: Move to FrameInfok