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Mark FPB as a reserved register when needed.
[oota-llvm.git]
/
lib
/
Target
/
MSP430
/
MSP430RegisterInfo.cpp
diff --git
a/lib/Target/MSP430/MSP430RegisterInfo.cpp
b/lib/Target/MSP430/MSP430RegisterInfo.cpp
index 578443167c0d5ba301b2757fd8e9e4dbc1429136..f64017ef25331ff72368d08e7990d13db10ba0cb 100644
(file)
--- a/
lib/Target/MSP430/MSP430RegisterInfo.cpp
+++ b/
lib/Target/MSP430/MSP430RegisterInfo.cpp
@@
-88,8
+88,10
@@
BitVector MSP430RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
Reserved.set(MSP430::CGW);
// Mark frame pointer as reserved if needed.
Reserved.set(MSP430::CGW);
// Mark frame pointer as reserved if needed.
- if (TFI->hasFP(MF))
+ if (TFI->hasFP(MF)) {
+ Reserved.set(MSP430::FPB);
Reserved.set(MSP430::FPW);
Reserved.set(MSP430::FPW);
+ }
return Reserved;
}
return Reserved;
}