I'm a bit puzzled by the decrement_and_branch_until_zero looping pattern. The
manual described it as a named pattern, through from the description it isn't
clear that it's referenced by name. I see those only in m68k and pa. There
are similar looking but anonymous patterns in pdp11 and vax, s
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On 07/06/18 10:46, Richard Biener wrote:
> On Thu, Jun 7, 2018 at 11:45 AM Ard Biesheuvel
> wrote:
>>
>> On 7 June 2018 at 11:35, Richard Biener wrote:
>>> On Thu, Jun 7, 2018 at 10:45 AM Ard Biesheuvel
>>> wrote:
On 7 June 2018 at 10:21, Christoffer Dall wrote:
> On Thu, Jun 07,
On Thu, Jun 7, 2018 at 12:01 PM Will Deacon wrote:
>
> On Thu, Jun 07, 2018 at 09:48:50AM +0200, Christoffer Dall wrote:
> > [+Will]
> >
> > On Tue, Jun 05, 2018 at 03:07:14PM +0200, Laszlo Ersek wrote:
> > > On 06/05/18 13:30, Richard Biener wrote:
> > > > On Mon, Jun 4, 2018 at 8:11 PM Laszlo Er
On Wed, Jun 6, 2018 at 5:52 PM Paul Menzel
wrote:
>
> Dear GCC folks,
>
>
> Some scientists in our organization still want to use the Intel
> compiler, as they say, it produces faster code, which is then executed
> on clusters. Some resources on the Web [1][2] confirm this. (I am aware,
> that it’
On Wed, Jun 6, 2018 at 8:31 PM Ryan Burn wrote:
>
> One case where ICC can generate much faster code sometimes is by using
> the nontemporal pragma [https://software.intel.com/en-us/node/524559]
> with loops.
>
> AFAIK, there's no such equivalent pragma in gcc
> [https://gcc.gnu.org/ml/gcc/2012-01
On Wed, Jun 6, 2018 at 11:10 PM Zan Lynx wrote:
>
> On 06/06/2018 10:22 AM, Dmitry Mikushin wrote:
> > The opinion you've mentioned is common in scientific community. However, in
> > more detail it often surfaces that the used set of GCC compiler options
> > simply does not correspond to that "fas
On Thu, Jun 7, 2018 at 11:45 AM Ard Biesheuvel
wrote:
>
> On 7 June 2018 at 11:35, Richard Biener wrote:
> > On Thu, Jun 7, 2018 at 10:45 AM Ard Biesheuvel
> > wrote:
> >>
> >> On 7 June 2018 at 10:21, Christoffer Dall wrote:
> >> > On Thu, Jun 07, 2018 at 09:56:18AM +0200, Ard Biesheuvel wrote
On Thu, Jun 7, 2018 at 10:35 AM, Richard Biener
wrote:
> On Thu, Jun 7, 2018 at 10:45 AM Ard Biesheuvel
> wrote:
>>
>> On 7 June 2018 at 10:21, Christoffer Dall wrote:
>> > On Thu, Jun 07, 2018 at 09:56:18AM +0200, Ard Biesheuvel wrote:
>> >> On 7 June 2018 at 09:48, Christoffer Dall
>> >> wro
On Thu, Jun 7, 2018 at 10:45 AM Ard Biesheuvel
wrote:
>
> On 7 June 2018 at 10:21, Christoffer Dall wrote:
> > On Thu, Jun 07, 2018 at 09:56:18AM +0200, Ard Biesheuvel wrote:
> >> On 7 June 2018 at 09:48, Christoffer Dall wrote:
> >> > [+Will]
> >> >
> >> > On Tue, Jun 05, 2018 at 03:07:14PM +02
On Thu, Jun 7, 2018 at 9:06 AM Aldy Hernandez wrote:
>
> Howdy.
>
> I'm looking at the ABS_EXPR code in extract_range_from_unary_expr() and
> have noticed that by the time we get here:
>
>/* If a VR_ANTI_RANGEs contains zero, then we have
> ~[-INF, min(MIN, MAX)]. */
>if
On Thu, Jun 07, 2018 at 10:45:13AM +0200, Ard Biesheuvel wrote:
> On 7 June 2018 at 10:21, Christoffer Dall wrote:
> > On Thu, Jun 07, 2018 at 09:56:18AM +0200, Ard Biesheuvel wrote:
> >> On 7 June 2018 at 09:48, Christoffer Dall wrote:
> >> > [+Will]
> >> >
> >> > On Tue, Jun 05, 2018 at 03:07:1
On Thu, Jun 07, 2018 at 09:56:18AM +0200, Ard Biesheuvel wrote:
> On 7 June 2018 at 09:48, Christoffer Dall wrote:
> > [+Will]
> >
> > On Tue, Jun 05, 2018 at 03:07:14PM +0200, Laszlo Ersek wrote:
> >> On 06/05/18 13:30, Richard Biener wrote:
> >> > On Mon, Jun 4, 2018 at 8:11 PM Laszlo Ersek wro
Howdy.
I'm looking at the ABS_EXPR code in extract_range_from_unary_expr() and
have noticed that by the time we get here:
/* If a VR_ANTI_RANGEs contains zero, then we have
~[-INF, min(MIN, MAX)]. */
if (vr0.type == VR_ANTI_RANGE)
...we have already handled VR_VARYING, V
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