void interpOne(IRGS& env,
folly::Optional<Type> outType,
int popped,
int pushed,
InterpOneData& idata) {
auto const unit = curUnit(env);
spillStack(env);
env.irb->exceptionStackBoundary();
auto const op = unit->getOp(bcOff(env));
idata.bcOff = bcOff(env);
idata.cellsPopped = popped;
idata.cellsPushed = pushed;
idata.opcode = op;
gen(
env,
opcodeChangesPC(idata.opcode) ? InterpOneCF : InterpOne,
outType,
idata,
sp(env),
fp(env)
);
assertx(env.irb->stackDeficit() == 0);
}
void interpOne(IRGS& env,
folly::Optional<Type> outType,
int popped,
int pushed,
InterpOneData& idata) {
auto const unit = curUnit(env);
spillStack(env);
env.irb->exceptionStackBoundary();
auto const op = unit->getOpcode(bcOff(env));
auto& iInfo = getInstrInfo(op);
if (iInfo.type == jit::InstrFlags::OutFDesc) {
env.fpiStack.push(FPIInfo { sp(env), env.irb->spOffset(), nullptr });
} else if (isFCallStar(op) && !env.fpiStack.empty()) {
env.fpiStack.pop();
}
idata.bcOff = bcOff(env);
idata.cellsPopped = popped;
idata.cellsPushed = pushed;
idata.opcode = op;
gen(
env,
opcodeChangesPC(idata.opcode) ? InterpOneCF : InterpOne,
outType,
idata,
sp(env),
fp(env)
);
assertx(env.irb->stackDeficit() == 0);
}
Block* makeExitSlow(IRGS& env) {
auto const exit = env.unit.defBlock(Block::Hint::Unlikely);
BlockPusher bp(*env.irb, makeMarker(env, bcOff(env)), exit);
interpOne(env, *env.currentNormalizedInstruction);
// If it changes the PC, InterpOneCF will get us to the new location.
if (!opcodeChangesPC(env.currentNormalizedInstruction->op())) {
gen(env, Jmp, makeExit(env, nextBcOff(env)));
}
return exit;
}
void interpOne(IRGS& env,
folly::Optional<Type> outType,
int popped,
int pushed,
InterpOneData& idata) {
auto const unit = curUnit(env);
auto const op = unit->getOp(bcOff(env));
idata.bcOff = bcOff(env);
idata.cellsPopped = popped;
idata.cellsPushed = pushed;
idata.opcode = op;
gen(
env,
opcodeChangesPC(idata.opcode) ? InterpOneCF : InterpOne,
outType,
idata,
sp(env),
fp(env)
);
}
