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DSP/Jit: Load address of m_cycles_left into register 

On some platforms, the address of m_cycles_left exceeds the maximal 32-bit
offset from RIP.
This commit is contained in:
MerryMage 2017-03-11 22:51:41 +00:00
parent 71273c05a9
commit dc1a8c46e9
2 changed files with 5 additions and 3 deletions
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3
Source/Core/Core/DSP/Jit/DSPEmitter.cpp
View File

@ -436,7 +436,8 @@ void DSPEmitter::CompileDispatcher()
m_return_dispatcher = GetCodePtr();
// Decrement cyclesLeft
SUB(16, M(&m_cycles_left), R(EAX));
MOV(64, R(RCX), ImmPtr(&m_cycles_left));
SUB(16, MatR(RCX), R(EAX));
J_CC(CC_A, dispatcherLoop);

5
Source/Core/Core/DSP/Jit/DSPJitBranch.cpp
View File

@ -109,12 +109,13 @@ void DSPEmitter::WriteBlockLink(u16 dest)
{
m_gpr.FlushRegs();
// Check if we have enough cycles to execute the next block
MOV(16, R(ECX), M(&m_cycles_left));
MOV(64, R(RAX), ImmPtr(&m_cycles_left));
MOV(16, R(ECX), MatR(RAX));
CMP(16, R(ECX), Imm16(m_block_size[m_start_address] + m_block_size[dest]));
FixupBranch notEnoughCycles = J_CC(CC_BE);
SUB(16, R(ECX), Imm16(m_block_size[m_start_address]));
MOV(16, M(&m_cycles_left), R(ECX));
MOV(16, MatR(RAX), R(ECX));
JMP(m_block_links[dest], true);
SetJumpTarget(notEnoughCycles);
}