Re: Alternative check for vector refs with same alignment

2017-05-31 Thread Richard Biener
On Wed, May 31, 2017 at 8:55 AM, Richard Sandiford wrote: > Richard Sandiford writes: >> "Bin.Cheng" writes: >>> On Wed, May 3, 2017 at 11:07 AM, Richard Biener >>> wrote: On Wed, May 3, 2017 at 9:54 AM, Richard Sandiford wrote: > vect_find_same_alignment_drs uses the ddr depende

Re: Alternative check for vector refs with same alignment

2017-05-30 Thread Richard Sandiford
Richard Sandiford writes: > "Bin.Cheng" writes: >> On Wed, May 3, 2017 at 11:07 AM, Richard Biener >> wrote: >>> On Wed, May 3, 2017 at 9:54 AM, Richard Sandiford >>> wrote: vect_find_same_alignment_drs uses the ddr dependence distance to tell whether two references have the same alig

Re: Alternative check for vector refs with same alignment

2017-05-03 Thread Richard Sandiford
"Bin.Cheng" writes: > On Wed, May 3, 2017 at 11:07 AM, Richard Biener > wrote: >> On Wed, May 3, 2017 at 9:54 AM, Richard Sandiford >> wrote: >>> vect_find_same_alignment_drs uses the ddr dependence distance >>> to tell whether two references have the same alignment. Although >>> that's safe wi

Re: Alternative check for vector refs with same alignment

2017-05-03 Thread Bin.Cheng
On Wed, May 3, 2017 at 11:07 AM, Richard Biener wrote: > On Wed, May 3, 2017 at 9:54 AM, Richard Sandiford > wrote: >> vect_find_same_alignment_drs uses the ddr dependence distance >> to tell whether two references have the same alignment. Although >> that's safe with the current code, there's n

Re: Alternative check for vector refs with same alignment

2017-05-03 Thread Richard Biener
On Wed, May 3, 2017 at 9:54 AM, Richard Sandiford wrote: > vect_find_same_alignment_drs uses the ddr dependence distance > to tell whether two references have the same alignment. Although > that's safe with the current code, there's no particular reason > why a dependence distance of 0 should mea