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* Rename MachineFrameInfo to TargetFrameInfo

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* Move some sparc specific code here from Target files


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-28 20:20:24 +00:00
parent ea45d7ba3f
commit da62ac6fe2
1 changed files with 28 additions and 4 deletions
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32
lib/Target/SparcV9/SparcV9Internals.h
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@ -528,9 +528,11 @@ protected:
// a multiple of getStackFrameSizeAlignment().
//---------------------------------------------------------------------------
class UltraSparcFrameInfo: public MachineFrameInfo {
class UltraSparcFrameInfo: public TargetFrameInfo {
const TargetMachine ⌖
public:
UltraSparcFrameInfo(const TargetMachine &tgt) : MachineFrameInfo(tgt) {}
UltraSparcFrameInfo(const TargetMachine &TM)
: TargetFrameInfo(StackGrowsDown, StackFrameSizeAlignment, 0), target(TM) {}
public:
// These methods provide constant parameters of the frame layout.
@ -603,6 +605,28 @@ public:
virtual int getDynamicAreaBaseRegNum() const {
return (int) target.getRegInfo().getStackPointer();
}
virtual int getIncomingArgOffset(MachineFunction& mcInfo,
unsigned argNum) const {
assert(argsOnStackHaveFixedSize());
unsigned relativeOffset = argNum * getSizeOfEachArgOnStack();
bool growUp; // do args grow up or down
int firstArg = getFirstIncomingArgOffset(mcInfo, growUp);
return growUp ? firstArg + relativeOffset : firstArg - relativeOffset;
}
virtual int getOutgoingArgOffset(MachineFunction& mcInfo,
unsigned argNum) const {
assert(argsOnStackHaveFixedSize());
//assert(((int) argNum - this->getNumFixedOutgoingArgs())
// <= (int) mcInfo.getInfo()->getMaxOptionalNumArgs());
unsigned relativeOffset = argNum * getSizeOfEachArgOnStack();
bool growUp; // do args grow up or down
int firstArg = getFirstOutgoingArgOffset(mcInfo, growUp);
return growUp ? firstArg + relativeOffset : firstArg - relativeOffset;
}
private:
/*----------------------------------------------------------------------
@ -612,7 +636,7 @@ private:
by us. The rest conform to the Sparc V9 ABI.
All stack addresses are offset by OFFSET = 0x7ff (2047).
Alignment assumpteions and other invariants:
Alignment assumptions and other invariants:
(1) %sp+OFFSET and %fp+OFFSET are always aligned on 16-byte boundary
(2) Variables in automatic, spill, temporary, or dynamic regions
are aligned according to their size as in all memory accesses.
@ -714,7 +738,7 @@ public:
virtual const MachineInstrInfo &getInstrInfo() const { return instrInfo; }
virtual const MachineSchedInfo &getSchedInfo() const { return schedInfo; }
virtual const MachineRegInfo &getRegInfo() const { return regInfo; }
virtual const MachineFrameInfo &getFrameInfo() const { return frameInfo; }
virtual const TargetFrameInfo &getFrameInfo() const { return frameInfo; }
virtual const MachineCacheInfo &getCacheInfo() const { return cacheInfo; }
virtual const MachineOptInfo &getOptInfo() const { return optInfo; }