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Loop Update

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mmichlol
2026-02-07 18:47:07 +01:00
parent fdcbc31cca
commit c37a122850
4 changed files with 225 additions and 15 deletions
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64
PCCcompiler/codegen.cpp
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@@ -89,7 +89,9 @@ std::string generateAssembly(const CompilerState& state) {
instr.type == OpType::SUB ||
instr.type == OpType::MUL ||
instr.type == OpType::DIV ||
instr.type == OpType::MOD);
instr.type == OpType::MOD ||
instr.type == OpType::LOGIC_AND ||
instr.type == OpType::LOGIC_OR);
if (isWriteOp && stackMap.find(instr.arg1) == stackMap.end() && instr.arg1 != "RAX") {
stackMap[instr.arg1] = currentStack;
@@ -182,6 +184,11 @@ std::string generateAssembly(const CompilerState& state) {
}
break;
}
case OpType::JMP: {
// Skok bezwarunkowy (u¿ywany na koñcu pêtli while)
result += " jmp " + instr.arg1 + "\n";
break;
}
case OpType::LABEL: {
result += instr.arg1 + ":\n";
break;
@@ -318,6 +325,61 @@ std::string generateAssembly(const CompilerState& state) {
result += " mov " + dst + ", edx\n"; // EDX to reszta z dzielenia!
break;
}
case OpType::LOGIC_AND: {
// a && b
// Algorytm: result = (op1 != 0) * (op2 != 0)
// Ale w ASM ³atwiej:
// cmp op1, 0 -> setne al
// cmp op2, 0 -> setne bl
// and al, bl
std::string op1 = getVarLocation(instr.arg2, stackMap);
std::string op2 = getVarLocation(instr.arg3, stackMap);
std::string dst = getVarLocation(instr.arg1, stackMap);
// Sprawdzamy op1
result += " mov eax, " + op1 + "\n";
result += " cmp eax, 0\n";
result += " setne al\n"; // al = 1 jeœli eax != 0
// Sprawdzamy op2 (u¿ywamy ECX jako pomocniczy)
if (isdigit(op2[0])) result += " mov ecx, " + op2 + "\n";
else result += " mov ecx, " + op2 + "\n";
result += " cmp ecx, 0\n";
result += " setne cl\n"; // cl = 1 jeœli ecx != 0
// Logiczne AND na bajtach
result += " and al, cl\n";
// Zapisujemy wynik (rozszerzamy bajt do dword)
result += " movzx eax, al\n";
result += " mov " + dst + ", eax\n";
break;
}
case OpType::LOGIC_OR: {
// a || b
std::string op1 = getVarLocation(instr.arg2, stackMap);
std::string op2 = getVarLocation(instr.arg3, stackMap);
std::string dst = getVarLocation(instr.arg1, stackMap);
result += " mov eax, " + op1 + "\n";
result += " cmp eax, 0\n";
result += " setne al\n";
if (isdigit(op2[0])) result += " mov ecx, " + op2 + "\n";
else result += " mov ecx, " + op2 + "\n";
result += " cmp ecx, 0\n";
result += " setne cl\n";
// Logiczne OR
result += " or al, cl\n";
result += " movzx eax, al\n";
result += " mov " + dst + ", eax\n";
break;
}
}
}