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LLE JIT: Speed up the dispatcher by removing one of the cycle checks. This results in the DSP executing cycles slightly above what it is supposed to. This is not a problem currently but might be later on. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6489 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
skidau 2010-11-28 12:28:03 +00:00
parent 9c1fb241c7
commit 93a901dd1d
1 changed files with 1 additions and 10 deletions
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11
Source/Core/DSPCore/Src/DSPEmitter.cpp
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@ -326,12 +326,9 @@ void DSPEmitter::CompileDispatcher()
// Compile block if needed // Compile block if needed
FixupBranch found = J_CC(CC_NE); FixupBranch found = J_CC(CC_NE);
CALL((void *)CompileCurrent); CALL((void *)CompileCurrent);
MOVZX(32, 16, ECX, M(&g_dsp.pc));
SetJumpTarget(found); SetJumpTarget(found);
// Check if we have enough cycles to execute
CMP(32, R(ESI), R(EAX));
FixupBranch noCycles = J_CC(CC_B);
// Execute block. Cycles executed returned in EAX. // Execute block. Cycles executed returned in EAX.
#ifdef _M_IX86 #ifdef _M_IX86
CALLptr(MComplex(EBX, ECX, SCALE_4, 0)); CALLptr(MComplex(EBX, ECX, SCALE_4, 0));
@ -344,12 +341,6 @@ void DSPEmitter::CompileDispatcher()
J_CC(CC_A, dispatcherLoop); J_CC(CC_A, dispatcherLoop);
// Not enough cycles.
SetJumpTarget(noCycles);
//MOV(32, M(&cyclesLeft), R(ESI));
//ABI_PopAllCalleeSavedRegsAndAdjustStack();
//RET();
// DSP gave up the remaining cycles. // DSP gave up the remaining cycles.
SetJumpTarget(halt); SetJumpTarget(halt);
//MOV(32, M(&cyclesLeft), Imm32(0)); //MOV(32, M(&cyclesLeft), Imm32(0));