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Ranged cache invalidation

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* Fix clearing code block on a partial invalidation
* Remove unnecessary use of boost::variant
* Code cleanup
This commit is contained in:
MerryMage
2017-09-11 00:09:52 +01:00
parent a362bffdd4
commit b992e5f8ec
3 changed files with 31 additions and 40 deletions
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31
src/backend_x64/emit_x64.cpp
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@@ -3532,30 +3532,19 @@ void EmitX64::ClearCache() {
void EmitX64::InvalidateCacheRange(const Common::AddressRange& range) {
// Remove cached block descriptors and patch information overlapping with the given range.
for (auto it = block_descriptors.begin(); it != block_descriptors.end();) {
IR::LocationDescriptor descriptor = it->second.start_location;
u32 start = descriptor.PC();
u32 end = it->second.end_location_pc;
if (range.Overlaps(start, end)) {
it = block_descriptors.erase(it);
switch (range.which()) {
case 0: // FullAddressRange
ClearCache();
break;
case 1: // AddressInterval
auto interval = boost::get<Common::AddressInterval>(range);
for (auto it = std::begin(block_descriptors); it != std::end(block_descriptors);) {
const IR::LocationDescriptor& descriptor = it->second.start_location;
u32 start = descriptor.PC();
u32 end = it->second.end_location_pc;
if (interval.Overlaps(start, end)) {
it = block_descriptors.erase(it);
auto patch_it = patch_information.find(descriptor.UniqueHash());
if (patch_it != patch_information.end()) {
Unpatch(descriptor);
}
} else {
++it;
if (patch_information.count(descriptor.UniqueHash())) {
Unpatch(descriptor);
}
} else {
++it;
}
break;
}
}