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OPCODE_IS_NAN

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This commit is contained in:
Dr. Chat
2016-07-11 20:44:12 -05:00
parent fb87b7a3c3
commit 18ff97e6b6
6 changed files with 48 additions and 0 deletions
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14
src/xenia/cpu/compiler/passes/constant_propagation_pass.cc
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@@ -300,6 +300,20 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
i->Remove();
}
break;
case OPCODE_IS_NAN:
if (i->src1.value->IsConstant()) {
if (i->src1.value->type == FLOAT32_TYPE &&
isnan(i->src1.value->constant.f32)) {
v->set_constant(uint8_t(1));
} else if (i->src1.value->type == FLOAT64_TYPE &&
isnan(i->src1.value->constant.f64)) {
v->set_constant(uint8_t(1));
} else {
v->set_constant(uint8_t(0));
}
i->Remove();
}
break;
// TODO(benvanik): compares
case OPCODE_COMPARE_EQ: