On Sat, 2019-12-14 at 15:33 +0100, John Paul Adrian Glaubitz wrote:
> Hi Stefan!
>
> > The problems are in the gcc implementation
> >
> > - the lra implementation is buggy
> > - the compare elimination can't handle parallel's containing a compare
> > - df-core considers parallel's containing a
Hi Stefan!
> The problems are in the gcc implementation
>
> - the lra implementation is buggy
> - the compare elimination can't handle parallel's containing a compare
> - df-core considers parallel's containing a compare also as a USE
> - some optimizations/mechanisms do only work if HAVE_CC0 is
On Sat, Dec 14, 2019 at 12:06:36AM +0900, Oleg Endo wrote:
> On Fri, 2019-12-13 at 15:57 +0100, John Paul Adrian Glaubitz wrote:
> > Hello Segher!
Hi :-)
> > > With LRA, sh builds fine (with the combine2 patches). I have no idea
> > > if correct code is generated, but it doesn't ICE anymore.
>
John Paul Adrian Glaubitz writes:
> Hi!
>
> On 12/13/19 4:06 PM, Oleg Endo wrote:
>>> What are the combine2 patches?
>>
>> See the other thread that I've linked in my message.
>
> I don't see any patch there.
The latest version is: https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00287.html
On Fri, 2019-12-13 at 16:09 +0100, John Paul Adrian Glaubitz wrote:
> Hi!
>
> On 12/13/19 4:06 PM, Oleg Endo wrote:
> > > What are the combine2 patches?
> >
> > See the other thread that I've linked in my message.
>
> I don't see any patch there.
You'd have to crawl up the discussion or so.
Hi!
On 12/13/19 4:06 PM, Oleg Endo wrote:
>> What are the combine2 patches?
>
> See the other thread that I've linked in my message.
I don't see any patch there.
>> And I would support switching SH to LRA as
>> there are a few cases (Debian packages) where GCC fails with an internal
>>
On Fri, 2019-12-13 at 05:03 -0600, Segher Boessenkool wrote:
> On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
> > I doubt it will be long before we deprecate
> > all targets that require old reload.)
>
> Do we wait until GCC 12 (to remove old reload completely)? If not, we
>
On Fri, 2019-12-13 at 15:57 +0100, John Paul Adrian Glaubitz wrote:
> Hello Segher!
>
> > With LRA, sh builds fine (with the combine2 patches). I have no idea
> > if correct code is generated, but it doesn't ICE anymore.
>
> What are the combine2 patches?
See the other thread that I've linked
Hello Segher!
> With LRA, sh builds fine (with the combine2 patches). I have no idea
> if correct code is generated, but it doesn't ICE anymore.
What are the combine2 patches? And I would support switching SH to LRA as
there are a few cases (Debian packages) where GCC fails with an internal
On Fri, 2019-12-13 at 08:09 -0600, Segher Boessenkool wrote:
> On Fri, Dec 13, 2019 at 10:06:20PM +0900, Oleg Endo wrote:
> > On Fri, 2019-12-13 at 05:03 -0600, Segher Boessenkool wrote:
> > > On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford
> > > wrote:
> > > > I doubt it will be long
On Fri, Dec 13, 2019 at 01:19:55PM +0100, Richard Biener wrote:
> On December 13, 2019 12:03:30 PM GMT+01:00, Segher Boessenkool
> wrote:
> >On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
> >> I doubt it will be long before we deprecate
> >> all targets that require old
On Fri, Dec 13, 2019 at 10:06:20PM +0900, Oleg Endo wrote:
> On Fri, 2019-12-13 at 05:03 -0600, Segher Boessenkool wrote:
> > On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
> > > I doubt it will be long before we deprecate
> > > all targets that require old reload.)
> >
> > Do
On Fri, 2019-12-13 at 05:03 -0600, Segher Boessenkool wrote:
> On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
> > I doubt it will be long before we deprecate
> > all targets that require old reload.)
>
> Do we wait until GCC 12 (to remove old reload completely)? If not, we
>
On December 13, 2019 12:03:30 PM GMT+01:00, Segher Boessenkool
wrote:
>On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
>> I doubt it will be long before we deprecate
>> all targets that require old reload.)
>
>Do we wait until GCC 12 (to remove old reload completely)? If not,
On Thu, Dec 12, 2019 at 09:32:27AM +, Richard Sandiford wrote:
> I doubt it will be long before we deprecate
> all targets that require old reload.)
Do we wait until GCC 12 (to remove old reload completely)? If not, we
should deprecate it now.
Segher
On Thu, Dec 12, 2019 at 07:43:58AM +0100, Stefan Franke wrote:
> The problems are in the gcc implementation
>
> - the lra implementation is buggy
Patches welcome. Bug reports welcome. "It does not work" does not
really help anyone -- you don't even say *what* doesn't work.
> - the compare
Am 2019-12-12 10:32, schrieb Richard Sandiford:
Stefan Franke writes:
Am 2019-12-08 01:54, schrieb Oleg Endo:
On Tue, 2019-11-26 at 07:38 +0100, ste...@franke.ms wrote:
> On 11/21/19 10:30 AM, ste...@franke.ms wrote:
> > Hi there,
> >
> > here is mc68k's patch to switch the m68k architecture
Stefan Franke writes:
> Am 2019-12-08 01:54, schrieb Oleg Endo:
>> On Tue, 2019-11-26 at 07:38 +0100, ste...@franke.ms wrote:
>>> > On 11/21/19 10:30 AM, ste...@franke.ms wrote:
>>> > > Hi there,
>>> > >
>>> > > here is mc68k's patch to switch the m68k architecture over to ccmode
>>> > > and
>>>
On December 12, 2019 7:43:58 AM GMT+01:00, Stefan Franke
wrote:
>Am 2019-12-08 01:54, schrieb Oleg Endo:
>> On Tue, 2019-11-26 at 07:38 +0100, ste...@franke.ms wrote:
>>> > On 11/21/19 10:30 AM, ste...@franke.ms wrote:
>>> > > Hi there,
>>> > >
>>> > > here is mc68k's patch to switch the m68k
Am 2019-12-08 01:54, schrieb Oleg Endo:
On Tue, 2019-11-26 at 07:38 +0100, ste...@franke.ms wrote:
> On 11/21/19 10:30 AM, ste...@franke.ms wrote:
> > Hi there,
> >
> > here is mc68k's patch to switch the m68k architecture over to ccmode
> > and
> > lra. See https://github.com/mc68kghost/gcc
On Tue, 2019-11-26 at 07:38 +0100, ste...@franke.ms wrote:
> > On 11/21/19 10:30 AM, ste...@franke.ms wrote:
> > > Hi there,
> > >
> > > here is mc68k's patch to switch the m68k architecture over to ccmode and
> > > lra. See https://github.com/mc68kghost/gcc 68k-ccmode branch.
> >
> > Bernd
> On 11/21/19 10:30 AM, ste...@franke.ms wrote:
> > Hi there,
> >
> > here is mc68k's patch to switch the m68k architecture over to ccmode and
> > lra. See https://github.com/mc68kghost/gcc 68k-ccmode branch.
> Bernd Schmidt posted a conversion of the m68k port to ccmode a couple
> weeks before
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