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Merge pull request #4452 from stenzek/jmp-self-idle-loop

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Jit64: Treat branch-to-self instruction as an idle loop
This commit is contained in:
Markus Wick 2016-11-16 10:24:29 +01:00 committed by GitHub
commit 71be84e074
2 changed files with 8 additions and 5 deletions
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12
Source/Core/Core/PowerPC/Jit64/Jit_Branch.cpp
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@ -7,6 +7,7 @@
#include "Common/CommonTypes.h"
#include "Common/x64Emitter.h"
#include "Core/ConfigManager.h"
#include "Core/CoreTiming.h"
#include "Core/PowerPC/Gekko.h"
#include "Core/PowerPC/Jit64/JitRegCache.h"
#include "Core/PowerPC/PPCAnalyst.h"
@ -90,11 +91,12 @@ void Jit64::bx(UGeckoInstruction inst)
#endif
if (destination == js.compilerPC)
{
// PanicAlert("Idle loop detected at %08x", destination);
// CALL(ProtectFunction(&CoreTiming::Idle, 0));
// JMP(Asm::testExceptions, true);
// make idle loops go faster
js.downcountAmount += 8;
ABI_PushRegistersAndAdjustStack({}, 0);
ABI_CallFunction(CoreTiming::Idle);
ABI_PopRegistersAndAdjustStack({}, 0);
MOV(32, PPCSTATE(pc), Imm32(destination));
WriteExceptionExit();
return;
}
WriteExit(destination, inst.LK, js.compilerPC + 4);
}

1
Source/Core/Core/PowerPC/JitArm64/JitArm64_Branch.cpp
View file

@ -105,6 +105,7 @@ void JitArm64::bx(UGeckoInstruction inst)
gpr.Unlock(WA);
WriteExceptionExit(js.compilerPC);
return;
}
WriteExit(destination);