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Emit callee-saved regs spills / restores

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75943 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-07-16 13:51:12 +00:00
parent 33b350bf24
commit ef5decab53
8 changed files with 189 additions and 37 deletions
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11
lib/Target/SystemZ/SystemZMachineFunctionInfo.h
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@@ -25,6 +25,11 @@ class SystemZMachineFunctionInfo : public MachineFunctionInfo {
/// stack frame in bytes.
unsigned CalleeSavedFrameSize;
/// LowReg - Low register of range of callee-saved registers to store.
unsigned LowReg;
/// HighReg - High register of range of callee-saved registers to store.
unsigned HighReg;
public:
SystemZMachineFunctionInfo() : CalleeSavedFrameSize(0) {}
@@ -32,6 +37,12 @@ public:
unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
unsigned getLowReg() const { return LowReg; }
void setLowReg(unsigned Reg) { LowReg = Reg; }
unsigned getHighReg() const { return HighReg; }
void setHighReg(unsigned Reg) { HighReg = Reg; }
};
} // End llvm namespace