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This commit is contained in:
Stenzek
2023-11-11 13:35:14 +10:00
parent 6d35d5983b
commit 3093d40869
2 changed files with 7 additions and 12 deletions
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8
src/core/cpu_recompiler_code_generator.cpp
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@ -2730,26 +2730,28 @@ bool CodeGenerator::Compile_cop0(Instruction instruction, const CodeCache::Instr
// Emit an interrupt check on load of CAUSE/SR.
Value sr_value = m_register_cache.AllocateScratch(RegSize_32);
Value cause_value = m_register_cache.AllocateScratch(RegSize_32);
m_register_cache.InhibitAllocation();
// m_cop0_regs.sr.IEc && ((m_cop0_regs.cause.Ip & m_cop0_regs.sr.Im) != 0)
LabelType no_interrupt;
EmitLoadCPUStructField(sr_value.host_reg, sr_value.size, offsetof(State, cop0_regs.sr.bits));
EmitLoadCPUStructField(cause_value.host_reg, cause_value.size, offsetof(State, cop0_regs.cause.bits));
EmitBranchIfBitClear(sr_value.host_reg, sr_value.size, 0, &no_interrupt);
m_register_cache.InhibitAllocation();
EmitAnd(sr_value.host_reg, sr_value.host_reg, cause_value);
EmitTest(sr_value.host_reg, Value::FromConstantU32(0xFF00));
EmitConditionalBranch(Condition::Zero, false, &no_interrupt);
m_register_cache.UninhibitAllocation();
EmitBranch(GetCurrentFarCodePointer());
SwitchToFarCode();
m_register_cache.PushState();
WriteNewPC(CalculatePC(), false);
EmitStoreCPUStructField(offsetof(State, downcount), Value::FromConstantU32(0));
EmitExceptionExit();
m_register_cache.PopState();
SwitchToNearCode();
EmitBindLabel(&no_interrupt);
m_register_cache.UninhibitAllocation();
}
else if (reg == Cop0Reg::DCIC && g_settings.cpu_recompiler_memory_exceptions)
{
@ -2780,8 +2782,10 @@ bool CodeGenerator::Compile_cop0(Instruction instruction, const CodeCache::Instr
// exit block early if enabled
EmitBranch(GetCurrentFarCodePointer());
SwitchToFarCode();
m_register_cache.PushState();
WriteNewPC(CalculatePC(), false);
EmitExceptionExit();
m_register_cache.PopState();
SwitchToNearCode();
EmitBindLabel(&not_enabled);