Re: Masked vector deficiencies

2020-03-03 Thread Andrew Stubbs
On 03/03/2020 15:57, Richard Sandiford wrote: Andrew Stubbs writes: Hi all, Up until now the AMD GCN port has been using exclusively 64-lane vectors with masking for smaller sizes. This works quite well, where it works, but there remain many test cases (and no doubt some real code) that refus

Re: Masked vector deficiencies

2020-03-03 Thread Richard Sandiford
Andrew Stubbs writes: > Hi all, > > Up until now the AMD GCN port has been using exclusively 64-lane vectors > with masking for smaller sizes. > > This works quite well, where it works, but there remain many test cases > (and no doubt some real code) that refuse to vectorize because the > numbe