Re: Why are GCC Internals not Specification Driven ?

2017-01-05 Thread Seima Rao
On Tue, Dec 20, 2016 at 1:48 AM, DJ Delorie wrote: > > Seima Rao writes: >> Has gcc become proprietory/commercial ? > > By definition: no, yes. It's been this way since the beginning, and > hasn't changed in decades. > >> Or has it become illegal to publish specification models >>

input address reload issue

2017-01-05 Thread Aurelien Buhrig
Hi all, and best wishes for the happy new year! I'm porting a private 4.6 backend to GCC 6 and facing a reload issue and I would appreciate a little help to cope with it. The issue happens when reloading: (set (reg:QI 47 [ _9 ]) (mem:QI (plus:SI (reg/v/f:SI 68 [orig:51 in ] [51])

Re: input address reload issue

2017-01-05 Thread Jeff Law
On 01/05/2017 09:18 AM, Aurelien Buhrig wrote: Hi all, and best wishes for the happy new year! I'm porting a private 4.6 backend to GCC 6 and facing a reload issue and I would appreciate a little help to cope with it. The issue happens when reloading: (set (reg:QI 47 [ _9 ]) (mem:QI (plus:SI

Re: Worse code after bbro?

2017-01-05 Thread Jan Hubicka
> On 01/04/2017 03:46 AM, Segher Boessenkool wrote: > >On Wed, Jan 04, 2017 at 10:05:49AM +0100, Richard Biener wrote: > >>>The code size is identical, but the trunk version executes one more > >>>instruction everytime the loop runs (explicit jump to .L5 with trunk vs > >>>fallthrough with 4.8) - i

gcc-6-20170105 is now available

2017-01-05 Thread gccadmin
Snapshot gcc-6-20170105 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/6-20170105/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 6 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-6

Re: Worse code after bbro?

2017-01-05 Thread Senthil Kumar Selvaraj
Segher Boessenkool writes: > On Wed, Jan 04, 2017 at 10:05:49AM +0100, Richard Biener wrote: >> > The code size is identical, but the trunk version executes one more >> > instruction everytime the loop runs (explicit jump to .L5 with trunk vs >> > fallthrough with 4.8) - it's faster only if the l