On Mon, 2013-09-09 at 10:18 -0400, Tim Prince wrote: > Current Intel implementations of safelen will fail to vectorize and give > notice if the value is set unnecessarily large. It's been agreed that > increasing the safelen value beyond the optimum level should not turn > off vectorization.
Yes, it definitely shouldn't. safelen() or similar constructs are supposed to be a programmer assertion about correctness, not a performance hint. Torvald