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Gracefully skipping noaccess constant loads.

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This commit is contained in:
Ben Vanik 2015-06-06 22:56:53 -07:00
parent 6f4049ac0f
commit 6edf4f898f
1 changed files with 3 additions and 2 deletions
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5
src/xenia/cpu/compiler/passes/constant_propagation_pass.cc
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@ -188,18 +188,19 @@ bool ConstantPropagationPass::Run(HIRBuilder* builder) {
auto heap = memory->LookupHeap(address); auto heap = memory->LookupHeap(address);
uint32_t protect; uint32_t protect;
if (heap->QueryProtect(address, &protect) && if (heap->QueryProtect(address, &protect) &&
!(protect & kMemoryProtectWrite)) { !(protect & kMemoryProtectWrite) &&
(protect & kMemoryProtectRead)) {
// Memory is readonly - can just return the value. // Memory is readonly - can just return the value.
switch (v->type) { switch (v->type) {
case INT32_TYPE: case INT32_TYPE:
v->set_constant(xe::load_and_swap<uint32_t>( v->set_constant(xe::load_and_swap<uint32_t>(
memory->TranslateVirtual(address))); memory->TranslateVirtual(address)));
i->Remove();
break; break;
default: default:
assert_unhandled_case(v->type); assert_unhandled_case(v->type);
break; break;
} }
i->Remove();
} }
} }
} }