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microinstruction: Rename FindUseWithOpcode to GetAssociatedPseudoOperation, encapsulate associated variables

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This commit is contained in:
MerryMage 2016-08-25 21:08:47 +01:00
parent 130b5510a6
commit 4322c0907c
3 changed files with 32 additions and 26 deletions
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34
src/backend_x64/emit_x64.cpp
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@ -41,20 +41,6 @@ static Xbyak::Address MJitStateCpsr() {
return dword[r15 + offsetof(JitState, Cpsr)];
}
static IR::Inst* FindUseWithOpcode(IR::Inst* inst, IR::Opcode opcode) {
switch (opcode) {
case IR::Opcode::GetCarryFromOp:
return inst->carry_inst;
case IR::Opcode::GetOverflowFromOp:
return inst->overflow_inst;
default:
break;
}
ASSERT_MSG(false, "unreachable");
return nullptr;
}
static void EraseInstruction(IR::Block& block, IR::Inst* inst) {
block.Instructions().erase(block.Instructions().iterator_to(*inst));
}
@ -406,7 +392,7 @@ void EmitX64::EmitLeastSignificantWord(IR::Block&, IR::Inst* inst) {
}
void EmitX64::EmitMostSignificantWord(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
Xbyak::Reg64 result = reg_alloc.UseDefGpr(inst->GetArg(0), inst);
code->shr(result, 32);
@ -457,7 +443,7 @@ void EmitX64::EmitIsZero64(IR::Block&, IR::Inst* inst) {
}
void EmitX64::EmitLogicalShiftLeft(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
// TODO: Consider using BMI2 instructions like SHLX when arm-in-host flags is implemented.
@ -552,7 +538,7 @@ void EmitX64::EmitLogicalShiftLeft(IR::Block& block, IR::Inst* inst) {
}
void EmitX64::EmitLogicalShiftRight(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
if (!carry_inst) {
if (!inst->GetArg(2).IsImmediate()) {
@ -657,7 +643,7 @@ void EmitX64::EmitLogicalShiftRight64(IR::Block& block, IR::Inst* inst) {
}
void EmitX64::EmitArithmeticShiftRight(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
if (!carry_inst) {
if (!inst->GetArg(2).IsImmediate()) {
@ -740,7 +726,7 @@ void EmitX64::EmitArithmeticShiftRight(IR::Block& block, IR::Inst* inst) {
}
void EmitX64::EmitRotateRight(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
if (!carry_inst) {
if (!inst->GetArg(2).IsImmediate()) {
@ -814,7 +800,7 @@ void EmitX64::EmitRotateRight(IR::Block& block, IR::Inst* inst) {
}
void EmitX64::EmitRotateRightExtended(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
Xbyak::Reg32 result = reg_alloc.UseDefGpr(inst->GetArg(0), inst).cvt32();
Xbyak::Reg8 carry = carry_inst
@ -842,8 +828,8 @@ static Xbyak::Reg8 DoCarry(RegAlloc& reg_alloc, const IR::Value& carry_in, IR::I
}
void EmitX64::EmitAddWithCarry(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto overflow_inst = FindUseWithOpcode(inst, IR::Opcode::GetOverflowFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
auto overflow_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp);
IR::Value a = inst->GetArg(0);
IR::Value b = inst->GetArg(1);
@ -907,8 +893,8 @@ void EmitX64::EmitAdd64(IR::Block& block, IR::Inst* inst) {
}
void EmitX64::EmitSubWithCarry(IR::Block& block, IR::Inst* inst) {
auto carry_inst = FindUseWithOpcode(inst, IR::Opcode::GetCarryFromOp);
auto overflow_inst = FindUseWithOpcode(inst, IR::Opcode::GetOverflowFromOp);
auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
auto overflow_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp);
IR::Value a = inst->GetArg(0);
IR::Value b = inst->GetArg(1);