Re: [5/n] PR85694: Remove dead WIDEN_SUM handling

2018-06-19 Thread Richard Biener
On Mon, Jun 18, 2018 at 4:57 PM Richard Sandiford wrote: > > vect_recog_dot_prod_pattern and vect_recog_sad_pattern both checked > whether the statement passed in had already been recognised as a > WIDEN_SUM_EXPR pattern. That isn't possible (any more?), since the > first recognised pattern wins,

[5/n] PR85694: Remove dead WIDEN_SUM handling

2018-06-18 Thread Richard Sandiford
vect_recog_dot_prod_pattern and vect_recog_sad_pattern both checked whether the statement passed in had already been recognised as a WIDEN_SUM_EXPR pattern. That isn't possible (any more?), since the first recognised pattern wins, and since vect_recog_widen_sum_pattern never matches a later statem