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CPU: Move interrupt check out of inner-most exec loop

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This commit is contained in:
Connor McLaughlin
2020-10-17 01:28:08 +10:00
parent 0afdc04d88
commit cb351a7dbd
5 changed files with 66 additions and 51 deletions
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28
src/core/cpu_code_cache.cpp
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@ -132,18 +132,17 @@ static void ExecuteImpl()
g_state.frame_done = false;
while (!g_state.frame_done)
{
if (HasPendingInterrupt())
{
SafeReadInstruction(g_state.regs.pc, &g_state.next_instruction.bits);
DispatchInterrupt();
}
TimingEvents::UpdateCPUDowncount();
next_block_key = GetNextBlockKey();
while (g_state.pending_ticks < g_state.downcount)
{
if (HasPendingInterrupt())
{
SafeReadInstruction(g_state.regs.pc, &g_state.next_instruction.bits);
DispatchInterrupt();
next_block_key = GetNextBlockKey();
}
CodeBlock* block = LookupBlock(next_block_key);
if (!block)
{
@ -153,6 +152,7 @@ static void ExecuteImpl()
}
reexecute_block:
Assert(!(HasPendingInterrupt()));
#if 0
const u32 tick = TimingEvents::GetGlobalTickCounter() + CPU::GetPendingTicks();
@ -171,7 +171,7 @@ static void ExecuteImpl()
if (g_state.pending_ticks >= g_state.downcount)
break;
else if (HasPendingInterrupt() || !USE_BLOCK_LINKING)
else if (!USE_BLOCK_LINKING)
continue;
next_block_key = GetNextBlockKey();
@ -243,16 +243,16 @@ void ExecuteRecompiler()
g_state.frame_done = false;
while (!g_state.frame_done)
{
if (HasPendingInterrupt())
{
SafeReadInstruction(g_state.regs.pc, &g_state.next_instruction.bits);
DispatchInterrupt();
}
TimingEvents::UpdateCPUDowncount();
while (g_state.pending_ticks < g_state.downcount)
{
if (HasPendingInterrupt())
{
SafeReadInstruction(g_state.regs.pc, &g_state.next_instruction.bits);
DispatchInterrupt();
}
const u32 pc = g_state.regs.pc;
g_state.current_instruction_pc = pc;
const u32 fast_map_index = GetFastMapIndex(pc);