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MemmapFunctions: various MMU optimizations

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Small TLB lookup optimizations: this is the hot path for MMU code, so try to
make it better.

Template the TLB lookup functions based on the lookup type (opcode, data,
no exception).

Clean up the Read/Write functions and make them more consistent.

Add an early-exit path for MMU accesses to ReadFromHardware/WriteToHardware.
This commit is contained in:
Fiora
2014-12-30 18:12:47 -08:00
parent ea23ce2726
commit c2ed29fe0d
5 changed files with 155 additions and 177 deletions
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2
Source/Core/Core/PowerPC/PPCAnalyst.cpp
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@@ -649,7 +649,7 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock *block, CodeBuffer *buffer, u32
bool virtualAddr = SConfig::GetInstance().m_LocalCoreStartupParameter.bMMU && (address & JIT_ICACHE_VMEM_BIT);
if (virtualAddr)
{
if (!Memory::TranslateAddress(address, Memory::FLAG_NO_EXCEPTION))
if (!Memory::TranslateAddress<Memory::FLAG_NO_EXCEPTION>(address))
{
// Memory exception occurred during instruction fetch
block->m_memory_exception = true;