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Fixed idle skipping in JIT mode 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3144 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
LinesPrower 2009-05-03 14:54:05 +00:00
parent a0cfbe9fa5
commit 86915160b7
1 changed files with 30 additions and 2 deletions
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32
Source/Core/Core/Src/PowerPC/Jit64/Jit_LoadStore.cpp
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@ -136,12 +136,40 @@
(Core::GetStartupParameter().bWii && Memory::ReadUnchecked_U32(js.compilerPC + 4) == 0x2C000000)) && (Core::GetStartupParameter().bWii && Memory::ReadUnchecked_U32(js.compilerPC + 4) == 0x2C000000)) &&
Memory::ReadUnchecked_U32(js.compilerPC + 8) == 0x4182fff8) Memory::ReadUnchecked_U32(js.compilerPC + 8) == 0x4182fff8)
{ {
// TODO(LinesPrower):
// - Fix idle skipping in JITIL!
// - Rewrite this!
// It seems to be ugly and unefficient, but I don't know JIT stuff enough to make it right
// It only demonstrates the idea
// do our job at first
s32 offset = (s32)(s16)inst.SIMM_16;
gpr.FlushLockX(ABI_PARAM1);
gpr.Lock(d, a);
MOV(32, R(ABI_PARAM1), gpr.R(a));
SafeLoadRegToEAX(ABI_PARAM1, 32, offset);
gpr.LoadToX64(d, false, true);
MOV(32, gpr.R(d), R(EAX));
gpr.UnlockAll();
gpr.UnlockAllX();
gpr.Flush(FLUSH_ALL);
// if it's still 0, we can wait until the next event
CMP(32, R(RAX), Imm32(0));
FixupBranch noIdle = J_CC(CC_NE);
gpr.Flush(FLUSH_ALL); gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL); fpr.Flush(FLUSH_ALL);
ABI_CallFunctionC((void *)&PowerPC::OnIdle, PowerPC::ppcState.gpr[a] + (s32)(s16)inst.SIMM_16); ABI_CallFunctionC((void *)&PowerPC::OnIdle, PowerPC::ppcState.gpr[a] + (s32)(s16)inst.SIMM_16);
MOV(32, M(&PowerPC::ppcState.pc), Imm32(js.compilerPC + 12));
// ! we must continue executing of the loop after exception handling, maybe there is still 0 in r0
//MOV(32, M(&PowerPC::ppcState.pc), Imm32(js.compilerPC + 12));
JMP(asm_routines.testExceptions, true); JMP(asm_routines.testExceptions, true);
js.compilerPC += 8;
SetJumpTarget(noIdle);
//js.compilerPC += 8;
return; return;
} }