diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86FrameLowering.cpp | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp index 21b912603be..7d257ee6afa 100644 --- a/llvm/lib/Target/X86/X86FrameLowering.cpp +++ b/llvm/lib/Target/X86/X86FrameLowering.cpp @@ -531,16 +531,24 @@ MachineInstr *X86FrameLowering::emitStackProbeInline( // registers. For the prolog expansion we use RAX, RCX and RDX. MachineRegisterInfo &MRI = MF.getRegInfo(); const TargetRegisterClass *RegClass = &X86::GR64RegClass; - const unsigned - SizeReg = InProlog ? X86::RAX : MRI.createVirtualRegister(RegClass), - ZeroReg = InProlog ? X86::RCX : MRI.createVirtualRegister(RegClass), - CopyReg = InProlog ? X86::RDX : MRI.createVirtualRegister(RegClass), - TestReg = InProlog ? X86::RDX : MRI.createVirtualRegister(RegClass), - FinalReg = InProlog ? X86::RDX : MRI.createVirtualRegister(RegClass), - RoundedReg = InProlog ? X86::RDX : MRI.createVirtualRegister(RegClass), - LimitReg = InProlog ? X86::RCX : MRI.createVirtualRegister(RegClass), - JoinReg = InProlog ? X86::RCX : MRI.createVirtualRegister(RegClass), - ProbeReg = InProlog ? X86::RCX : MRI.createVirtualRegister(RegClass); + const unsigned SizeReg = InProlog ? (unsigned)X86::RAX + : MRI.createVirtualRegister(RegClass), + ZeroReg = InProlog ? (unsigned)X86::RCX + : MRI.createVirtualRegister(RegClass), + CopyReg = InProlog ? (unsigned)X86::RDX + : MRI.createVirtualRegister(RegClass), + TestReg = InProlog ? (unsigned)X86::RDX + : MRI.createVirtualRegister(RegClass), + FinalReg = InProlog ? (unsigned)X86::RDX + : MRI.createVirtualRegister(RegClass), + RoundedReg = InProlog ? (unsigned)X86::RDX + : MRI.createVirtualRegister(RegClass), + LimitReg = InProlog ? (unsigned)X86::RCX + : MRI.createVirtualRegister(RegClass), + JoinReg = InProlog ? (unsigned)X86::RCX + : MRI.createVirtualRegister(RegClass), + ProbeReg = InProlog ? (unsigned)X86::RCX + : MRI.createVirtualRegister(RegClass); // SP-relative offsets where we can save RCX and RDX. int64_t RCXShadowSlot = 0; |
