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CPU/CodeCache: Don't try to compile direct double branches

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Invalidation nightmare.
This commit is contained in:
Stenzek 2023-12-15 13:46:46 +10:00
parent b04578afee
commit a499e21453
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1 changed files with 4 additions and 3 deletions
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7
src/core/cpu_code_cache.cpp
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@ -973,9 +973,10 @@ bool CPU::CodeCache::ReadBlockInstructions(u32 start_pc, BlockInstructionList* i
return false;
}
// change the pc for the second branch's delay slot, it comes from the first branch
pc = GetDirectBranchTarget(prev.first, prev.second.pc);
Log_DevPrintf("Double branch at %08X, using delay slot from %08X -> %08X", info.pc, prev.second.pc, pc);
// we _could_ fetch the delay slot from the first branch's target, but it's probably in a different
// page, and that's an invalidation nightmare. so just fallback to the int, this is very rare anyway.
Log_WarningPrintf("Direct branch in delay slot at %08X, skipping block", info.pc);
return false;
}
// instruction is decoded now