Re: Protect against min_profitable_iters going negative

2017-11-08 Thread Jeff Law
On 11/08/2017 09:49 AM, Richard Sandiford wrote: > We had: > > if (vec_outside_cost <= 0) > min_profitable_iters = 0; > else > { > min_profitable_iters = ((vec_outside_cost - scalar_outside_cost) > * assumed_vf >

Protect against min_profitable_iters going negative

2017-11-08 Thread Richard Sandiford
We had: if (vec_outside_cost <= 0) min_profitable_iters = 0; else { min_profitable_iters = ((vec_outside_cost - scalar_outside_cost) * assumed_vf - vec_inside_cost * peel_iters_prologue