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2022fall-Compiler_CMinus
Commit 33502fa9 authored by lxq's avatar lxq
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dry action for CmpInst

parent eda3505d
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Showing with 25 additions and 25 deletions
src/codegen/codegen.cpp
View file @ 33502fa9
......@@ -302,31 +302,31 @@ CodeGen::IR2assem(CallInst *instr) {
if (not instr->is_void())
back2stack(instr);
}
void
CodeGen::IR2assem(CmpInst *instr) {
value2reg(instr->get_operand(0), 0);
value2reg(instr->get_operand(1), 1);
string instr_ir;
switch (instr->get_cmp_op()) {
case CmpInst::EQ:
break;
case CmpInst::NE:
// output.push_back("xor $a0, $a0, $a1");
break;
case CmpInst::GT:
output.push_back("slt $a0, $a1, $a0");
break;
case CmpInst::GE:
break;
case CmpInst::LT:
output.push_back("slt $a0, $a0, $a1");
break;
case CmpInst::LE:
break;
}
output.push_back(instr_ir + " $a0, $a0, $a1");
back2stack(instr);
}
/* void
* CodeGen::IR2assem(CmpInst *instr) {
* value2reg(instr->get_operand(0), 0);
* value2reg(instr->get_operand(1), 1);
* string instr_ir;
* switch (instr->get_cmp_op()) {
* case CmpInst::EQ:
* break;
* case CmpInst::NE:
* // output.push_back("xor $a0, $a0, $a1");
* break;
* case CmpInst::GT:
* output.push_back("slt $a0, $a1, $a0");
* break;
* case CmpInst::GE:
* break;
* case CmpInst::LT:
* output.push_back("slt $a0, $a0, $a1");
* break;
* case CmpInst::LE:
* break;
* }
* output.push_back(instr_ir + " $a0, $a0, $a1");
* back2stack(instr);
* } */
void
CodeGen::IR2assem(BinaryInst *instr) {
......
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