piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2024-11-15 13:57:57 -07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Improved the CheckException for the GatherPipe writes in JIT, now only the External Exceptions are processed.

Browse Source 
We Didn't Check 0x0008000 in PowerPC::ppcState.msr this was killing the performance, this also fix a hang when this check is performed.
SMG for example.
Deleted the HiWatermark condition from GPFifo.
Please test games affected in this  Revision 9e649ce798, and games affected in this Revision b0f75f17ae.
I do not want to excite the game players of 'The Las Story', but Could test again the random hangs with this rev?

Thanks
This commit is contained in:
marcosvitali 2012-03-13 01:44:10 -03:00
parent fedf6055ce
commit 352ab2ba43
2 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Source/Core/Core/Src/HW/GPFifo.cpp
View File

@ -99,7 +99,7 @@ void STACKALIGN CheckGatherPipe()
// Profile where the FIFO writes are occurring. // Profile where the FIFO writes are occurring.
if (g_video_backend->Video_IsHiWatermarkActive() && jit && (jit->js.fifoWriteAddresses.find(PC)) == (jit->js.fifoWriteAddresses.end())) if (jit && (jit->js.fifoWriteAddresses.find(PC)) == (jit->js.fifoWriteAddresses.end()))
{ {
jit->js.fifoWriteAddresses.insert(PC); jit->js.fifoWriteAddresses.insert(PC);

11
Source/Core/Core/Src/PowerPC/Jit64/Jit.cpp
View File

@ -576,14 +576,21 @@ const u8* Jit64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
gpr.Flush(FLUSH_ALL); gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL); fpr.Flush(FLUSH_ALL);
TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_ISI | EXCEPTION_PROGRAM | EXCEPTION_SYSCALL | EXCEPTION_FPU_UNAVAILABLE | EXCEPTION_DSI | EXCEPTION_ALIGNMENT | EXCEPTION_DECREMENTER));
FixupBranch clearInt = J_CC(CC_NZ);
TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_EXTERNAL_INT)); TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_EXTERNAL_INT));
FixupBranch noExtException = J_CC(CC_Z); FixupBranch noExtException = J_CC(CC_Z);
TEST(32, M((void *)&ProcessorInterface::m_InterruptCause), Imm32(ProcessorInterface::INT_CAUSE_CP)); TEST(32, M((void *)&PowerPC::ppcState.msr), Imm32(0x0008000));
FixupBranch noCPInt = J_CC(CC_Z); FixupBranch noCPInt = J_CC(CC_Z);
TEST(32, M((void *)&ProcessorInterface::m_InterruptCause), Imm32(ProcessorInterface::INT_CAUSE_CP));
FixupBranch noCPInt2 = J_CC(CC_Z);
MOV(32, M(&PC), Imm32(ops[i].address)); MOV(32, M(&PC), Imm32(ops[i].address));
WriteExceptionExit(); WriteExceptionExit();
SetJumpTarget(clearInt);
SetJumpTarget(noCPInt2);
SetJumpTarget(noCPInt); SetJumpTarget(noCPInt);
SetJumpTarget(noExtException); SetJumpTarget(noExtException);
} }