diff options
| author | skidau <skidau@gmail.com> | 2010-12-15 07:08:36 +0000 |
|---|---|---|
| committer | skidau <skidau@gmail.com> | 2010-12-15 07:08:36 +0000 |
| commit | c584bd533383ca6ec1fec35ff0b0794d6c64fe5e (patch) | |
| tree | 5fa31678d91288884d684d5a25485207fb7ec0f3 /Source/Core/DSPCore/Src/DSPEmitter.cpp | |
| parent | e61133625acb138ea73f6e801c7e263dc96544f7 (diff) | |
LLE JIT: Added simple block linking at immediate CALL's and JUMP's. The code checks if the block being jump to has already been compiled and jumps there if it has, bypassing the dispatcher. This results in a speed-up of around 7 - 10%.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6585 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPEmitter.cpp')
| -rw-r--r-- | Source/Core/DSPCore/Src/DSPEmitter.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Source/Core/DSPCore/Src/DSPEmitter.cpp b/Source/Core/DSPCore/Src/DSPEmitter.cpp index a9da27e405..27c636d6dc 100644 --- a/Source/Core/DSPCore/Src/DSPEmitter.cpp +++ b/Source/Core/DSPCore/Src/DSPEmitter.cpp @@ -39,6 +39,7 @@ DSPEmitter::DSPEmitter() : storeIndex(-1), storeIndex2(-1) AllocCodeSpace(COMPILED_CODE_SIZE); blocks = new CompiledCode[MAX_BLOCKS]; + blockLinks = new CompiledCode[MAX_BLOCKS]; blockSize = new u16[0x10000]; compileSR = 0; @@ -52,6 +53,7 @@ DSPEmitter::DSPEmitter() : storeIndex(-1), storeIndex2(-1) for(int i = 0x0000; i < MAX_BLOCKS; i++) { blocks[i] = (CompiledCode)stubEntryPoint; + blockLinks[i] = 0; blockSize[i] = 0; } } @@ -59,6 +61,7 @@ DSPEmitter::DSPEmitter() : storeIndex(-1), storeIndex2(-1) DSPEmitter::~DSPEmitter() { delete[] blocks; + delete[] blockLinks; delete[] blockSize; FreeCodeSpace(); } @@ -68,6 +71,7 @@ void DSPEmitter::ClearIRAM() { for(int i = 0x0000; i < 0x1000; i++) { blocks[i] = (CompiledCode)stubEntryPoint; + blockLinks[i] = 0; blockSize[i] = 0; } } @@ -202,6 +206,9 @@ void DSPEmitter::Compile(int start_addr) if (g_dsp.exceptions == 0) return; */ + + blockLinkEntry = GetCodePtr(); + ABI_CallFunction((void *)&DSPCore_CheckExternalInterrupt); compilePC = start_addr; @@ -327,6 +334,7 @@ void DSPEmitter::Compile(int start_addr) } blocks[start_addr] = (CompiledCode)entryPoint; + blockLinks[start_addr] = (CompiledCode)blockLinkEntry; if (blockSize[start_addr] == 0) { // just a safeguard, should never happen anymore. |