On Sat, Dec 28, 2019 at 02:20:09PM +0100, Uros Bizjak wrote:
> > The conditions are:
> > (define_expand "nearbyint2"
> > [(use (match_operand:MODEF 0 "register_operand"))
> >(use (match_operand:MODEF 1 "nonimmediate_operand"))]
> > "(TARGET_USE_FANCY_MATH_387
> > && (!(SSE_FLOAT_MODE_P
On Sat, Dec 28, 2019 at 12:02 PM Jakub Jelinek wrote:
>
> On Sat, Dec 28, 2019 at 11:48:12AM +0100, Uros Bizjak wrote:
> > On Sat, Dec 28, 2019 at 10:33 AM Jakub Jelinek wrote:
> > >
> > > Hi!
> > >
> > > In i386.md, we have nearbyint2 and rint2 patterns that expand
> > > SF/DF/XF mode patterns t
On Sat, Dec 28, 2019 at 11:48:12AM +0100, Uros Bizjak wrote:
> On Sat, Dec 28, 2019 at 10:33 AM Jakub Jelinek wrote:
> >
> > Hi!
> >
> > In i386.md, we have nearbyint2 and rint2 patterns that expand
> > SF/DF/XF mode patterns to rounding instructions. For pre-sse4.1 that is
> > done using XFmode
On Sat, Dec 28, 2019 at 10:33 AM Jakub Jelinek wrote:
>
> Hi!
>
> In i386.md, we have nearbyint2 and rint2 patterns that expand
> SF/DF/XF mode patterns to rounding instructions. For pre-sse4.1 that is
> done using XFmode and so inappropriate for vectorization, but for sse4.1
> and later we can j
Hi!
In i386.md, we have nearbyint2 and rint2 patterns that expand
SF/DF/XF mode patterns to rounding instructions. For pre-sse4.1 that is
done using XFmode and so inappropriate for vectorization, but for sse4.1
and later we can just use the {,v}{round,rndscale}p{s,d} instructions
when we emit {,v
