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优化 VM 指令分发热路径 #375

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优化 VM 指令分发热路径 #375

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9 changes: 6 additions & 3 deletions src/PikaVM.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4341,9 +4341,11 @@ static int pikaVM_runInstructUnit(PikaObj* self,
char* data = PikaVMFrame_getConstWithInstructUnit(vm, ins_unit);
/* run instruct */
pika_assert(NULL != vm->vm_thread);
#if PIKA_DEBUG_BREAK_POINT_MAX
if (PikaVMFrame_checkBreakPoint(vm)) {
pika_debug_set_trace(self);
}
#endif

#if PIKA_INSTRUCT_EXTENSION_ENABLE
const VMInstruction* ins = instructUnit_getInstruct(instruct);
Expand All @@ -4358,7 +4360,8 @@ static int pikaVM_runInstructUnit(PikaObj* self,
return_arg = VM_instruct_handler_table[instruct](self, vm, data, &ret_reg);
#endif

if (pikaVMFrame_checkErrorStack(vm) != PIKA_RES_OK ||
PIKA_RES error_stack_result = pikaVMFrame_checkErrorStack(vm);
if (error_stack_result != PIKA_RES_OK ||
VMSignal_getCtrl() == VM_SIGNAL_CTRL_EXIT) {
/* raise jmp */
if (vm->vm_thread->try_state != TRY_STATE_NONE) {
Expand All @@ -4370,7 +4373,7 @@ static int pikaVM_runInstructUnit(PikaObj* self,
}

#if PIKA_BUILTIN_STRUCT_ENABLE
int invoke_deepth = PikaVMFrame_getInvokeDeepthNow(vm);
int invoke_deepth = instructUnit_getInvokeDeepth(ins_unit);
if (invoke_deepth > 0) {
PikaObj* oReg = vm->oreg[invoke_deepth - 1];
if (NULL != oReg && NULL != return_arg) {
Expand Down Expand Up @@ -4424,7 +4427,7 @@ static int pikaVM_runInstructUnit(PikaObj* self,
pc_next = vm->pc + instructUnit_getSize();

/* jump to next line */
if (pikaVMFrame_checkErrorStack(vm) != PIKA_RES_OK) {
if (error_stack_result != PIKA_RES_OK) {
while (1) {
if (pc_next >= (int)PikaVMFrame_getInstructArraySize(vm)) {
pc_next = VM_PC_EXIT;
Expand Down
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