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Optimize variable-to-variable assignment

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This commit is contained in:
James Urquhart 2012-10-04 17:58:43 +01:00
parent 38c8e52c1d
commit e99eadd61f
5 changed files with 96 additions and 9 deletions
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40
Engine/source/console/compiledEval.cpp
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@ -285,6 +285,24 @@ inline void ExprEvalState::setStringVariable(const char *val)
currentVariable->setStringValue(val);
}
inline void ExprEvalState::setCopyVariable()
{
if (copyVariable) {
switch (copyVariable->value.type)
{
case ConsoleValue::TypeInternalInt:
currentVariable->setIntValue(copyVariable->getIntValue());
break;
case ConsoleValue::TypeInternalFloat:
currentVariable->setFloatValue(copyVariable->getFloatValue());
break;
default:
currentVariable->setStringValue(copyVariable->getStringValue());
break;
}
}
}
//------------------------------------------------------------
// Gets a component of an object's field value or a variable and returns it
@ -1362,6 +1380,11 @@ breakContinue:
STR.setStringValue(val);
break;
case OP_LOADVAR_VAR:
// Sets current source of OP_SAVEVAR_VAR
gEvalState.copyVariable = gEvalState.currentVariable;
break;
case OP_SAVEVAR_UINT:
gEvalState.setIntVariable(intStack[_UINT]);
break;
@ -1373,6 +1396,11 @@ breakContinue:
case OP_SAVEVAR_STR:
gEvalState.setStringVariable(STR.getStringValue());
break;
case OP_SAVEVAR_VAR:
// this basically handles %var1 = %var2
gEvalState.setCopyVariable();
break;
case OP_SETCUROBJECT:
// Save the previous object for parsing vector fields.
@ -1560,6 +1588,11 @@ breakContinue:
_UINT--;
break;
case OP_COPYVAR_TO_NONE:
// nop
gEvalState.copyVariable = NULL;
break;
case OP_LOADIMMED_UINT:
intStack[_UINT+1] = code[ip++];
_UINT++;
@ -1940,6 +1973,13 @@ breakContinue:
CSTK.pushFLT(floatStack[_FLT]);
_FLT--;
break;
case OP_PUSH_VAR:
//Con::printf("Pushing variable: %s",gEvalState.getCurrentVariable()]);
if (gEvalState.currentVariable)
CSTK.pushValue(gEvalState.currentVariable->value);
else
CSTK.pushString("");
break;
case OP_PUSH_FRAME:
STR.pushFrame();