Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-20 Thread H.J. Lu via Gcc-patches
On Tue, Jul 20, 2021 at 8:12 AM Richard Sandiford wrote: > > Richard Sandiford via Gcc-patches writes: > > "H.J. Lu via Gcc-patches" writes: > >> On Mon, Jul 19, 2021 at 11:38 PM Richard Sandiford > >> wrote: > >>> > >>> "H.J. Lu via Gcc-patches" writes: > >>> >> > + { > >>> >> > + /

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-20 Thread Richard Sandiford via Gcc-patches
Richard Sandiford via Gcc-patches writes: > "H.J. Lu via Gcc-patches" writes: >> On Mon, Jul 19, 2021 at 11:38 PM Richard Sandiford >> wrote: >>> >>> "H.J. Lu via Gcc-patches" writes: >>> >> > + { >>> >> > + /* First generate subreg of word mode if the previous mode is >>> >> > +

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-20 Thread Richard Sandiford via Gcc-patches
"H.J. Lu via Gcc-patches" writes: > On Mon, Jul 19, 2021 at 11:38 PM Richard Sandiford > wrote: >> >> "H.J. Lu via Gcc-patches" writes: >> >> > + { >> >> > + /* First generate subreg of word mode if the previous mode is >> >> > + wider than word mode and word mode is wider tha

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-20 Thread H.J. Lu via Gcc-patches
On Tue, Jul 20, 2021 at 5:48 AM H.J. Lu wrote: > > On Mon, Jul 19, 2021 at 11:38 PM Richard Sandiford > wrote: > > > > "H.J. Lu via Gcc-patches" writes: > > >> > + { > > >> > + /* First generate subreg of word mode if the previous mode is > > >> > + wider than word mode and wo

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-20 Thread H.J. Lu via Gcc-patches
On Mon, Jul 19, 2021 at 11:38 PM Richard Sandiford wrote: > > "H.J. Lu via Gcc-patches" writes: > >> > + { > >> > + /* First generate subreg of word mode if the previous mode is > >> > + wider than word mode and word mode is wider than MODE. */ > >> > + prev_rtx = simpli

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-19 Thread Richard Sandiford via Gcc-patches
"H.J. Lu via Gcc-patches" writes: >> > + { >> > + /* First generate subreg of word mode if the previous mode is >> > + wider than word mode and word mode is wider than MODE. */ >> > + prev_rtx = simplify_gen_subreg (word_mode, prev_rtx, >> > +

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-19 Thread H.J. Lu via Gcc-patches
On Mon, Jul 19, 2021 at 7:41 AM Richard Sandiford wrote: > > "H.J. Lu via Gcc-patches" writes: > > On Fri, Jul 16, 2021 at 7:15 AM H.J. Lu wrote: > >> > >> On Fri, Jul 16, 2021 at 6:24 AM Richard Sandiford > >> wrote: > >> > > >> > "H.J. Lu via Gcc-patches" writes: > >> > > On Fri, Jul 16, 202

Re: [PATCH] Add QI vector mode support to by-pieces for memset

2021-07-19 Thread Richard Sandiford via Gcc-patches
"H.J. Lu via Gcc-patches" writes: > On Fri, Jul 16, 2021 at 7:15 AM H.J. Lu wrote: >> >> On Fri, Jul 16, 2021 at 6:24 AM Richard Sandiford >> wrote: >> > >> > "H.J. Lu via Gcc-patches" writes: >> > > On Fri, Jul 16, 2021 at 4:38 AM Richard Sandiford >> > > wrote: >> > >> >> > >> "H.J. Lu via G