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IR: Implement new pseudo-operation GetGEFromOp

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This commit is contained in:
MerryMage 2016-12-04 20:52:06 +00:00
parent 370f654590
commit 7cad6949e7
4 changed files with 26 additions and 1 deletions
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15
src/frontend/ir/microinstruction.cpp
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@ -232,9 +232,14 @@ Inst* Inst::GetAssociatedPseudoOperation(Opcode opcode) {
// This is faster than doing a search through the block.
switch (opcode) {
case IR::Opcode::GetCarryFromOp:
DEBUG_ASSERT(!carry_inst || carry_inst->GetOpcode() == Opcode::GetCarryFromOp);
return carry_inst;
case IR::Opcode::GetOverflowFromOp:
DEBUG_ASSERT(!overflow_inst || overflow_inst->GetOpcode() == Opcode::GetOverflowFromOp);
return overflow_inst;
case IR::Opcode::GetGEFromOp:
DEBUG_ASSERT(!ge_inst || ge_inst->GetOpcode() == Opcode::GetGEFromOp);
return ge_inst;
default:
break;
}
@ -302,6 +307,10 @@ void Inst::Use(Value& value) {
ASSERT_MSG(!value.GetInst()->overflow_inst, "Only one of each type of pseudo-op allowed");
value.GetInst()->overflow_inst = this;
break;
case Opcode::GetGEFromOp:
ASSERT_MSG(!value.GetInst()->ge_inst, "Only one of each type of pseudo-op allowed");
value.GetInst()->ge_inst = this;
break;
default:
break;
}
@ -312,11 +321,17 @@ void Inst::UndoUse(Value& value) {
switch (op){
case Opcode::GetCarryFromOp:
DEBUG_ASSERT(value.GetInst()->carry_inst->GetOpcode() == Opcode::GetCarryFromOp);
value.GetInst()->carry_inst = nullptr;
break;
case Opcode::GetOverflowFromOp:
DEBUG_ASSERT(value.GetInst()->overflow_inst->GetOpcode() == Opcode::GetOverflowFromOp);
value.GetInst()->overflow_inst = nullptr;
break;
case Opcode::GetGEFromOp:
DEBUG_ASSERT(value.GetInst()->ge_inst->GetOpcode() == Opcode::GetGEFromOp);
value.GetInst()->ge_inst = nullptr;
break;
default:
break;
}