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constant OPCODE_CONVERT and more cases for OPCODE_LOAD

This commit is contained in:
Dr. Chat 2015-12-01 19:51:28 -06:00
parent 873016f06f
commit 525d62d437
1 changed files with 29 additions and 2 deletions
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31
src/xenia/cpu/compiler/passes/constant_propagation_pass.cc
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@ -153,6 +153,14 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
i->Remove();
}
break;
case OPCODE_CONVERT:
if (i->src1.value->IsConstant()) {
TypeName target_type = v->type;
v->set_from(i->src1.value);
v->Convert(target_type, ROUND_TO_NEAREST);
i->Remove();
}
break;
case OPCODE_ZERO_EXTEND:
if (i->src1.value->IsConstant()) {
TypeName target_type = v->type;
@ -195,10 +203,29 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
!(protect & kMemoryProtectWrite) &&
(protect & kMemoryProtectRead)) {
// Memory is readonly - can just return the value.
auto host_addr = memory->TranslateVirtual(address);
switch (v->type) {
case INT8_TYPE:
v->set_constant(xe::load<uint8_t>(host_addr));
i->Remove();
break;
case INT16_TYPE:
v->set_constant(xe::load<uint16_t>(host_addr));
i->Remove();
break;
case INT32_TYPE:
v->set_constant(
xe::load<uint32_t>(memory->TranslateVirtual(address)));
v->set_constant(xe::load<uint32_t>(host_addr));
i->Remove();
break;
case INT64_TYPE:
v->set_constant(xe::load<uint64_t>(host_addr));
i->Remove();
break;
case VEC128_TYPE:
vec128_t val;
val.low = xe::load<uint64_t>(host_addr);
val.high = xe::load<uint64_t>(host_addr + 8);
v->set_constant(val);
i->Remove();
break;
default: