Re: [GSoC] writing test-case

2014-05-13 Thread Prathamesh Kulkarni
On Tue, May 13, 2014 at 2:36 PM, Richard Biener wrote: > On Sun, May 11, 2014 at 5:00 PM, Prathamesh Kulkarni > wrote: >> On Sun, May 11, 2014 at 8:10 PM, Andreas Schwab >> wrote: >>> Prathamesh Kulkarni writes: >>> a) I am not able to follow why 3 slashes are required here in x_.\\\

Re: Is there any reason to use vfork() ?

2014-05-13 Thread David Brown
On 13/05/14 17:47, Michael N. Moran wrote: On 05/13/2014 10:59 AM, niXman wrote: pinskia 2014-05-13 18:47: Can you share more information about this env. This is specially built distributive used for micro-pc. It might be a bug not in gcc. I'm sure that the bug not in the GCC. After I wrote

Re: Is there any reason to use vfork() ?

2014-05-13 Thread David Brown
On 13/05/14 17:47, Michael N. Moran wrote: On 05/13/2014 10:59 AM, niXman wrote: pinskia 2014-05-13 18:47: Can you share more information about this env. This is specially built distributive used for micro-pc. It might be a bug not in gcc. I'm sure that the bug not in the GCC. After I wrote

Re: Live range shrinkage in pre-reload scheduling

2014-05-13 Thread Maxim Kuvyrkov
On May 13, 2014, at 10:27 PM, Kyrill Tkachov wrote: > Hi all, > > In haifa-sched.c (in rank_for_schedule) I notice that live range shrinkage is > not performed when SCHED_PRESSURE_MODEL is used and the comment mentions that > it results in much worse code. > > Could anyone elaborate on this?

Re: Is there any reason to use vfork() ?

2014-05-13 Thread Michael N. Moran
On 05/13/2014 10:59 AM, niXman wrote: pinskia 2014-05-13 18:47: Can you share more information about this env. This is specially built distributive used for micro-pc. It might be a bug not in gcc. I'm sure that the bug not in the GCC. After I wrote to this ML I made sure that freezes any pro

Re: Is there any reason to use vfork() ?

2014-05-13 Thread niXman
pinskia 2014-05-13 18:47: Can you share more information about this env. This is specially built distributive used for micro-pc. It might be a bug not in gcc. I'm sure that the bug not in the GCC. After I wrote to this ML I made sure that freezes any program using 'vfork()'. I'll deal with it

Re: Is there any reason to use vfork() ?

2014-05-13 Thread pinskia
> On May 13, 2014, at 3:12 AM, niXman wrote: > > > Hi, > > I use GCC to some restricted environment. Can you share more information about this env. It might be a bug not in gcc. > When I run gcc, it freezes up on this line[1]. When I replace the 'vfork()' > on the 'fork()' the compilation

requisites for soft-fp support for a new target

2014-05-13 Thread Sheheryar Zahoor Qazi
Hi, I am working on an 18-bit opensource soft-core processor at my university. My task is to emulate floating point operation since there is no hardware unit for float operations. I have the cross compiler and binutils for my target. But upon calling atest program, it gives the following error: :

Re: Resurrecting -Wunreachable-code

2014-05-13 Thread Florian Weimer
On 05/08/2014 11:18 AM, Richard Biener wrote: I plan to follow the Java rules, with necessary adjustments due to language differences: They are based on syntax (except for the infinite loop case), so they are much more pr

Live range shrinkage in pre-reload scheduling

2014-05-13 Thread Kyrill Tkachov
Hi all, In haifa-sched.c (in rank_for_schedule) I notice that live range shrinkage is not performed when SCHED_PRESSURE_MODEL is used and the comment mentions that it results in much worse code. Could anyone elaborate on this? Was it just empirically noticed on x86_64? Thanks, Kyrill

Is there any reason to use vfork() ?

2014-05-13 Thread niXman
Hi, I use GCC to some restricted environment. When I run gcc, it freezes up on this line[1]. When I replace the 'vfork()' on the 'fork()' the compilation succeeds. I haven't found any other adverse events. I'm curious whether there is reason to use 'vfork()' rather than 'fork()'? Thanks.

Re: [GSoC] writing test-case

2014-05-13 Thread Richard Biener
On Sun, May 11, 2014 at 5:00 PM, Prathamesh Kulkarni wrote: > On Sun, May 11, 2014 at 8:10 PM, Andreas Schwab wrote: >> Prathamesh Kulkarni writes: >> >>> a) I am not able to follow why 3 slashes are required here >>> in x_.\\\(D\\\) ? Why does x_.\(D\) not work ? >> >> Two of the three backslas