void CodeWriter::writeArithmeticGt()
{
string labelTrue("JGT_TRUE_" + moduleName + "_" + to_string(symbolCounter));
string labelFalse("JGT_FALSE_" + moduleName + "_" + to_string(symbolCounter));
write("@SP // gt");
write("AM=M-1");
write("D=M");
write("@SP");
write("AM=M-1");
write("D=M-D");
write("@" + labelTrue);
write("D;JGT");
write("D=0");
write("@" + labelFalse);
write("0;JMP");
write("(" + labelTrue + ")", false);
write("D=-1");
write("(" + labelFalse + ")", false);
write("@SP");
write("A=M");
write("M=D");
write("@SP");
write("M=M+1");
symbolCounter++;
}
void BytecodeGenerator::genBoolFromIficmp(Bytecode* bc, Instruction ificmp, size_t popsNum) {
Label labelTrue(bc);
bc->addBranch(ificmp, labelTrue);
genRepeatInsn(bc, BC_POP, popsNum);
bc->addInsn(BC_ILOAD0);
Label labelEnd(bc);
bc->addBranch(BC_JA, labelEnd);
bc->bind(labelTrue);
genRepeatInsn(bc, BC_POP, popsNum);
bc->addInsn(BC_ILOAD1);
bc->bind(labelEnd);
}
