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Jit64: Move profiler to the end of th block. 

Within Cleanup(), it is called at *every* end of the block. This generates bigger code,
but it is the only way to handle blocks with multiple exit nodes.
This commit is contained in:
degasus 2017-08-12 22:46:50 +02:00
parent 958b75b707
commit 9080192a65
1 changed files with 17 additions and 18 deletions
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35
Source/Core/Core/PowerPC/Jit64/Jit.cpp
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@ -371,6 +371,23 @@ bool Jit64::Cleanup()
did_something = true;
}
if (Profiler::g_ProfileBlocks)
{
ABI_PushRegistersAndAdjustStack({}, 0);
// get end tic
MOV(64, R(ABI_PARAM1), Imm64(reinterpret_cast<u64>(&js.curBlock->profile_data.ticStop)));
ABI_CallFunction(QueryPerformanceCounter);
// tic counter += (end tic - start tic)
MOV(64, R(RSCRATCH2), Imm64(reinterpret_cast<u64>(&js.curBlock->profile_data)));
MOV(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticStop)));
SUB(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticStart)));
ADD(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticCounter)));
ADD(64, MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, downcountCounter)),
Imm32(js.downcountAmount));
MOV(64, MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticCounter)), R(RSCRATCH));
ABI_PopRegistersAndAdjustStack({}, 0);
}
return did_something;
}
@ -730,24 +747,6 @@ const u8* Jit64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer* code_buf, JitBloc
if (i == (code_block.m_num_instructions - 1))
{
if (Profiler::g_ProfileBlocks)
{
// TODO: Move this to WriteExit() calls.
BitSet32 registersInUse = CallerSavedRegistersInUse();
ABI_PushRegistersAndAdjustStack(registersInUse, 0);
// get end tic
MOV(64, R(ABI_PARAM1), Imm64(reinterpret_cast<u64>(&b->profile_data.ticStop)));
ABI_CallFunction(QueryPerformanceCounter);
// tic counter += (end tic - start tic)
MOV(64, R(RSCRATCH2), Imm64(reinterpret_cast<u64>(&b->profile_data)));
MOV(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticStop)));
SUB(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticStart)));
ADD(64, R(RSCRATCH), MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticCounter)));
ADD(64, MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, downcountCounter)),
Imm32(js.downcountAmount));
MOV(64, MDisp(RSCRATCH2, offsetof(JitBlock::ProfileData, ticCounter)), R(RSCRATCH));
ABI_PopRegistersAndAdjustStack(registersInUse, 0);
}
js.isLastInstruction = true;
}