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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2070 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2002-03-31 18:57:49 +00:00
parent 1792779edf
commit fa79e6e869
3 changed files with 27 additions and 3 deletions
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12
include/llvm/CodeGen/MachineCodeForMethod.h
View File

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

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

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

6
lib/CodeGen/MachineFunction.cpp
View File

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