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Include temp. values when computing max. size of stack frame! 

llvm-svn: 2070
This commit is contained in:
Vikram S. Adve 2002-03-31 18:57:49 +00:00
parent 5bf8890305
commit f434a9ed5f
3 changed files with 27 additions and 3 deletions
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12
llvm/include/llvm/CodeGen/MachineCodeForMethod.h
View File

@ -29,6 +29,7 @@ class MachineCodeForMethod : private Annotation {
unsigned currentOptionalArgsSize;
unsigned maxOptionalArgsSize;
unsigned currentTmpValuesSize;
unsigned maxTmpValuesSize;
std::hash_set<const Constant*> constantsForConstPool;
std::hash_map<const Value*, int> offsets;
@ -108,6 +109,17 @@ private:
regSpillsSize+= incr;
staticStackSize += incr;
}
inline void incrementTmpAreaSize(int incr) {
currentTmpValuesSize += incr;
if (maxTmpValuesSize < currentTmpValuesSize)
{
staticStackSize += currentTmpValuesSize - maxTmpValuesSize;
maxTmpValuesSize = currentTmpValuesSize;
}
}
inline void resetTmpAreaSize() {
currentTmpValuesSize = 0;
}
inline void incrementCurrentOptionalArgsSize(int incr) {
currentOptionalArgsSize+= incr; // stack size already includes this!
}

12
llvm/include/llvm/CodeGen/MachineFunction.h
View File

@ -29,6 +29,7 @@ class MachineCodeForMethod : private Annotation {
unsigned currentOptionalArgsSize;
unsigned maxOptionalArgsSize;
unsigned currentTmpValuesSize;
unsigned maxTmpValuesSize;
std::hash_set<const Constant*> constantsForConstPool;
std::hash_map<const Value*, int> offsets;
@ -108,6 +109,17 @@ private:
regSpillsSize+= incr;
staticStackSize += incr;
}
inline void incrementTmpAreaSize(int incr) {
currentTmpValuesSize += incr;
if (maxTmpValuesSize < currentTmpValuesSize)
{
staticStackSize += currentTmpValuesSize - maxTmpValuesSize;
maxTmpValuesSize = currentTmpValuesSize;
}
}
inline void resetTmpAreaSize() {
currentTmpValuesSize = 0;
}
inline void incrementCurrentOptionalArgsSize(int incr) {
currentOptionalArgsSize+= incr; // stack size already includes this!
}

6
llvm/lib/CodeGen/MachineFunction.cpp
View File

@ -124,7 +124,7 @@ MachineCodeForMethod::MachineCodeForMethod(const Method* _M,
method(_M), compiledAsLeaf(false), staticStackSize(0),
automaticVarsSize(0), regSpillsSize(0),
currentOptionalArgsSize(0), maxOptionalArgsSize(0),
currentTmpValuesSize(0)
currentTmpValuesSize(0), maxTmpValuesSize(0)
{
maxOptionalArgsSize = ComputeMaxOptionalArgsSize(target, method);
staticStackSize = maxOptionalArgsSize
@ -284,14 +284,14 @@ MachineCodeForMethod::pushTempValue(const TargetMachine& target,
offset = growUp ? firstTmpOffset + offset : firstTmpOffset - offset;
currentTmpValuesSize += size;
incrementTmpAreaSize(size);
return offset;
}
void
MachineCodeForMethod::popAllTempValues(const TargetMachine& target)
{
currentTmpValuesSize = 0;
resetTmpAreaSize();
}
int