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Add or/and/shift to inline assembler

This commit is contained in:
drmortalwombat 2023-08-20 19:06:24 +02:00
parent 54296bdd71
commit 5b4e5b545d
3 changed files with 52 additions and 2 deletions
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2
oscar64/Assembler.cpp
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@ -333,7 +333,7 @@ void InitAssembler(void)
int AsmInsSize(AsmInsType type, AsmInsMode mode) int AsmInsSize(AsmInsType type, AsmInsMode mode)
{ {
if (type < ASMIT_INV) if (type < ASMIT_INV && mode >= ASMIM_IMPLIED && mode < NUM_ASM_INS_MODES)
return AsmInsModeSize[mode]; return AsmInsModeSize[mode];
else else
return 1; return 1;

49
oscar64/Parser.cpp
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@ -8045,6 +8045,53 @@ Expression* Parser::ParseAssemblerAddOperand(Declaration* pcasm, int pcoffset)
return exp; return exp;
} }
Expression* Parser::ParseAssemblerShiftOperand(Declaration* pcasm, int pcoffset)
{
Expression* exp = ParseAssemblerAddOperand(pcasm, pcoffset);
while (mScanner->mToken == TK_LEFT_SHIFT || mScanner->mToken == TK_RIGHT_SHIFT)
{
Expression* nexp = new Expression(mScanner->mLocation, EX_BINARY);
nexp->mToken = mScanner->mToken;
nexp->mLeft = exp;
mScanner->NextToken();
nexp->mRight = ParseAssemblerAddOperand(pcasm, pcoffset);
exp = nexp->ConstantFold(mErrors);
}
return exp;
}
Expression* Parser::ParseAssemblerAndOperand(Declaration* pcasm, int pcoffset)
{
Expression* exp = ParseAssemblerShiftOperand(pcasm, pcoffset);
while (mScanner->mToken == TK_BINARY_AND)
{
Expression* nexp = new Expression(mScanner->mLocation, EX_BINARY);
nexp->mToken = mScanner->mToken;
nexp->mLeft = exp;
mScanner->NextToken();
nexp->mRight = ParseAssemblerShiftOperand(pcasm, pcoffset);
exp = nexp->ConstantFold(mErrors);
}
return exp;
}
Expression* Parser::ParseAssemblerOrOperand(Declaration* pcasm, int pcoffset)
{
Expression* exp = ParseAssemblerAndOperand(pcasm, pcoffset);
while (mScanner->mToken == TK_BINARY_OR)
{
Expression* nexp = new Expression(mScanner->mLocation, EX_BINARY);
nexp->mToken = mScanner->mToken;
nexp->mLeft = exp;
mScanner->NextToken();
nexp->mRight = ParseAssemblerAndOperand(pcasm, pcoffset);
exp = nexp->ConstantFold(mErrors);
}
return exp;
}
Expression* Parser::ParseAssemblerOperand(Declaration* pcasm, int pcoffset) Expression* Parser::ParseAssemblerOperand(Declaration* pcasm, int pcoffset)
{ {
if (mScanner->mToken == TK_LESS_THAN) if (mScanner->mToken == TK_LESS_THAN)
@ -8188,7 +8235,7 @@ Expression* Parser::ParseAssemblerOperand(Declaration* pcasm, int pcoffset)
return exp; return exp;
} }
else else
return ParseAssemblerAddOperand(pcasm, pcoffset); return ParseAssemblerOrOperand(pcasm, pcoffset);
} }
void Parser::AddAssemblerRegister(const Ident* ident, int value) void Parser::AddAssemblerRegister(const Ident* ident, int value)

3
oscar64/Parser.h
View File

@ -74,6 +74,9 @@ protected:
Expression* ParseAssemblerBaseOperand(Declaration* pcasm, int pcoffset); Expression* ParseAssemblerBaseOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerMulOperand(Declaration* pcasm, int pcoffset); Expression* ParseAssemblerMulOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerAddOperand(Declaration* pcasm, int pcoffset); Expression* ParseAssemblerAddOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerShiftOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerAndOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerOrOperand(Declaration* pcasm, int pcoffset);
Expression* ParseAssemblerOperand(Declaration * pcasm, int pcoffset); Expression* ParseAssemblerOperand(Declaration * pcasm, int pcoffset);
Expression* CheckOperatorOverload(Expression* exp); Expression* CheckOperatorOverload(Expression* exp);