// Cache some information.
const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
Is64Bit = Subtarget->is64Bit();
+ IsWin64 = Subtarget->isTargetWin64();
StackAlign = TM.getFrameInfo()->getStackAlignment();
if (Is64Bit) {
SlotSize = 8;
X86::RBX, X86::R12, X86::R13, X86::R14, X86::R15, X86::RBP, 0
};
- if (Is64Bit)
- return CalleeSavedRegs64Bit;
- else {
+ static const unsigned CalleeSavedRegsWin64[] = {
+ X86::RBX, X86::RBP, X86::RDI, X86::RSI,
+ X86::R12, X86::R13, X86::R14, X86::R15, 0
+ };
+
+ if (Is64Bit) {
+ if (IsWin64)
+ return CalleeSavedRegsWin64;
+ else
+ return CalleeSavedRegs64Bit;
+ } else {
if (MF) {
MachineFrameInfo *MFI = MF->getFrameInfo();
MachineModuleInfo *MMI = MFI->getMachineModuleInfo();
&X86::GR64RegClass, &X86::GR64RegClass,
&X86::GR64RegClass, &X86::GR64RegClass, 0
};
+ static const TargetRegisterClass * const CalleeSavedRegClassesWin64[] = {
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass, 0
+ };
- if (Is64Bit)
- return CalleeSavedRegClasses64Bit;
- else {
+ if (Is64Bit) {
+ if (IsWin64)
+ return CalleeSavedRegClassesWin64;
+ else
+ return CalleeSavedRegClasses64Bit;
+ } else {
if (MF) {
MachineFrameInfo *MFI = MF->getFrameInfo();
MachineModuleInfo *MMI = MFI->getMachineModuleInfo();