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Fix errors in computing downgrowing offsets, and in

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computing size of extra outgoing args.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1256 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2001-11-11 21:23:33 +00:00
parent 5a81692f47
commit f1a0a10813
1 changed files with 15 additions and 12 deletions
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27
lib/CodeGen/MachineInstr.cpp
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@ -191,8 +191,9 @@ ComputeMaxOptionalArgsSize(const TargetMachine& target, const Method* method)
{ {
CallInst* callInst = cast<CallInst>(*I); CallInst* callInst = cast<CallInst>(*I);
unsigned int numOperands = callInst->getNumOperands() - 1; unsigned int numOperands = callInst->getNumOperands() - 1;
unsigned int numExtra = numOperands int numExtra = (int) numOperands - frameInfo.getNumFixedOutgoingArgs();
- frameInfo.getNumFixedOutgoingArgs(); if (numExtra <= 0)
continue;
unsigned int sizeForThisCall; unsigned int sizeForThisCall;
if (frameInfo.argsOnStackHaveFixedSize()) if (frameInfo.argsOnStackHaveFixedSize())
@ -243,11 +244,12 @@ MachineCodeForMethod::allocateLocalVar(const TargetMachine& target,
bool growUp; bool growUp;
int firstOffset =target.getFrameInfo().getFirstAutomaticVarOffset(*this, int firstOffset =target.getFrameInfo().getFirstAutomaticVarOffset(*this,
growUp); growUp);
unsigned int size = target.findOptimalStorageSize(val->getType());
offset = growUp? firstOffset + getAutomaticVarsSize() offset = growUp? firstOffset + getAutomaticVarsSize()
: firstOffset - getAutomaticVarsSize(); : firstOffset - getAutomaticVarsSize() - size;
offsets[val] = offset; offsets[val] = offset;
unsigned int size = target.findOptimalStorageSize(val->getType());
incrementAutomaticVarsSize(size); incrementAutomaticVarsSize(size);
} }
return offset; return offset;
@ -259,10 +261,11 @@ MachineCodeForMethod::allocateSpilledValue(const TargetMachine& target,
{ {
bool growUp; bool growUp;
int firstOffset = target.getFrameInfo().getRegSpillAreaOffset(*this, growUp); int firstOffset = target.getFrameInfo().getRegSpillAreaOffset(*this, growUp);
int offset = growUp? firstOffset + getRegSpillsSize()
: firstOffset - getRegSpillsSize();
unsigned int size = target.findOptimalStorageSize(type); unsigned int size = target.findOptimalStorageSize(type);
int offset = growUp? firstOffset + getRegSpillsSize()
: firstOffset - getRegSpillsSize() - size;
incrementRegSpillsSize(size); incrementRegSpillsSize(size);
return offset; return offset;
@ -275,18 +278,18 @@ MachineCodeForMethod::allocateOptionalArg(const TargetMachine& target,
const MachineFrameInfo& frameInfo = target.getFrameInfo(); const MachineFrameInfo& frameInfo = target.getFrameInfo();
bool growUp; bool growUp;
int firstOffset = frameInfo.getFirstOptionalOutgoingArgOffset(*this, growUp); int firstOffset = frameInfo.getFirstOptionalOutgoingArgOffset(*this, growUp);
int offset = growUp? firstOffset + getCurrentOptionalArgsSize()
: firstOffset - getCurrentOptionalArgsSize();
int size = MAXINT; int size = MAXINT;
if (frameInfo.argsOnStackHaveFixedSize()) if (frameInfo.argsOnStackHaveFixedSize())
size = frameInfo.getSizeOfEachArgOnStack(); size = frameInfo.getSizeOfEachArgOnStack();
else else
{ {
assert(0 && "UNTESTED CODE: Size per stack argument is not fixed on this architecture: use actual argument sizes for computing optional arg offsets");
size = target.findOptimalStorageSize(type); size = target.findOptimalStorageSize(type);
assert(0 && "UNTESTED CODE: Size per stack argument is not fixed on this architecture: use actual argument sizes for computing optional arg offsets");
} }
int offset = growUp? firstOffset + getCurrentOptionalArgsSize()
: firstOffset - getCurrentOptionalArgsSize() - size;
incrementCurrentOptionalArgsSize(size); incrementCurrentOptionalArgsSize(size);
return offset; return offset;
@ -305,7 +308,7 @@ MachineCodeForMethod::pushTempValue(const TargetMachine& target,
bool growUp; bool growUp;
int firstTmpOffset = target.getFrameInfo().getTmpAreaOffset(*this, growUp); int firstTmpOffset = target.getFrameInfo().getTmpAreaOffset(*this, growUp);
int offset = growUp? firstTmpOffset + currentTmpValuesSize int offset = growUp? firstTmpOffset + currentTmpValuesSize
: firstTmpOffset - currentTmpValuesSize; : firstTmpOffset - currentTmpValuesSize - size;
currentTmpValuesSize += size; currentTmpValuesSize += size;
return offset; return offset;
} }