diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index d4e720c952..44f1fa3b03 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -392,6 +392,11 @@ BitVector X86RegisterInfo::getReservedRegs(const MachineFunction &MF) const { Reserved.set(X86::SP); Reserved.set(X86::SPL); + // Set the instruction pointer register and its aliases as reserved. + Reserved.set(X86::RIP); + Reserved.set(X86::EIP); + Reserved.set(X86::IP); + // Set the frame-pointer register and its aliases as reserved if needed. if (hasFP(MF)) { Reserved.set(X86::RBP); |