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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-11-13 21:56:01 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-11-13 21:56:01 +0000 |
| commit | ff0302489b7c57af268e238cc93f8b9ee239a8e5 (patch) | |
| tree | 7c332d136c8e5075b9038ed8ca834bb79921c27b /llvm | |
| parent | 1ecc8b2de17ea71aa459c17696eb944016afdf3f (diff) | |
| download | bcm5719-llvm-ff0302489b7c57af268e238cc93f8b9ee239a8e5.tar.gz bcm5719-llvm-ff0302489b7c57af268e238cc93f8b9ee239a8e5.zip | |
The instruction pointer %RIP is a reserved register on x86_64.
llvm-svn: 88705
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index d4e720c9528..44f1fa3b035 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/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); |
