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Fixing subfme.

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This commit is contained in:
Ben Vanik
2015-05-13 00:15:35 -07:00
parent 3ba6598caf
commit 6fd7e35deb
3 changed files with 24 additions and 11 deletions
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24
src/xenia/cpu/compiler/passes/constant_propagation_pass.cc
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@@ -318,12 +318,19 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
}
}
}
if (i->dest->type == ca->type) {
i->Replace(&OPCODE_ASSIGN_info, 0);
i->set_src1(ca);
if (ca->IsConstant()) {
TypeName target_type = v->type;
v->set_from(ca);
v->ZeroExtend(target_type);
i->Remove();
} else {
i->Replace(&OPCODE_ZERO_EXTEND_info, 0);
i->set_src1(ca);
if (i->dest->type == ca->type) {
i->Replace(&OPCODE_ASSIGN_info, 0);
i->set_src1(ca);
} else {
i->Replace(&OPCODE_ZERO_EXTEND_info, 0);
i->set_src1(ca);
}
}
}
break;
@@ -404,6 +411,11 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
v->set_from(i->src1.value);
v->Xor(i->src2.value);
i->Remove();
} else if (!i->src1.value->IsConstant() &&
!i->src2.value->IsConstant() &&
i->src1.value == i->src2.value) {
v->set_zero(v->type);
i->Remove();
}
break;
case OPCODE_NOT:
@@ -478,7 +490,7 @@ void ConstantPropagationPass::PropagateCarry(Value* v, bool did_carry) {
next = use->next;
if (use->instr->opcode == &OPCODE_DID_CARRY_info) {
// Replace carry value.
use->instr->dest->set_constant(did_carry ? 1 : 0);
use->instr->dest->set_constant(int8_t(did_carry ? 1 : 0));
use->instr->Remove();
}
}