const unsigned*
ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
- static const unsigned CalleeSavedRegs[] = {
- ARM::LR, ARM::R11, ARM::R10, ARM::R9, ARM::R8,
- ARM::R7, ARM::R6, ARM::R5, ARM::R4,
-
- ARM::D15, ARM::D14, ARM::D13, ARM::D12,
- ARM::D11, ARM::D10, ARM::D9, ARM::D8,
- 0
- };
-
- static const unsigned iOSCalleeSavedRegs[] = {
- // iOS ABI deviates from ARM standard ABI. R9 is not a callee-saved
- // register.
- ARM::LR, ARM::R7, ARM::R6, ARM::R5, ARM::R4,
- ARM::R11, ARM::R10, ARM::R8,
+ return (STI.isTargetIOS()) ? CSR_iOS_SaveList : CSR_AAPCS_SaveList;
+}
- ARM::D15, ARM::D14, ARM::D13, ARM::D12,
- ARM::D11, ARM::D10, ARM::D9, ARM::D8,
- 0
- };
- return (STI.isTargetIOS()) ? iOSCalleeSavedRegs : CalleeSavedRegs;
+const uint32_t*
+ARMBaseRegisterInfo::getCallPreservedMask(CallingConv::ID) const {
+ return (STI.isTargetIOS()) ? CSR_iOS_RegMask : CSR_AAPCS_RegMask;
}
BitVector ARMBaseRegisterInfo::
S9, S10, S11, S12, S13, S14, S15]>>,
CCDelegateTo<RetCC_ARM_AAPCS_Common>
]>;
+
+//===----------------------------------------------------------------------===//
+// Callee-saved register lists.
+//===----------------------------------------------------------------------===//
+
+def CSR_AAPCS : CalleeSavedRegs<(add LR, R11, R10, R9, R8, R7, R6, R5, R4,
+ (sequence "D%u", 15, 8))>;
+
+// iOS ABI deviates from ARM standard ABI. R9 is not a callee-saved register.
+// Also save R7-R4 first to match the stack frame fixed spill areas.
+def CSR_iOS : CalleeSavedRegs<(add LR, R7, R6, R5, R4, (sub CSR_AAPCS, R9))>;