On Wed, 6 Feb 2013, Ye Joey wrote:
> Following case attempts to set floating point control register and
> execute floating point operation afterward. However, it doesn't works
> as expected with -Os, as GCC hoists multiply operation beyond FP
> control register setting.
Recent discussions started
Hello,
We found a quite strange behaviour of the gfortran 4.5.3 for
the following five examples. The first one shows heavily
increasing memomry consuption over runtime.
The error happens during the read command.
The other 4 exmples are okay.
1. example
program test1
character*200 tes
> Yes, this works perfectly, Jakub any objections?
>
> gcc/
>
> 2013-02-06 David S. Miller
>
> * var-tracking.c (vt_add_function_parameter): Test the presence of
> HAVE_window_save properly and do not remap argument registers when
> we have a leaf function.
Please put it on
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On Mon, Jan 28, 2013 at 4:47 PM, Diego Novillo wrote:
> On Sun, Jan 27, 2013 at 7:09 AM, Steven Bosscher wrote:
>
>> Is this a known issue?
>
> No, thanks for the report. I'll try to see what's going on (though
> you may need to ping me in a few days).
http://www.youtube.com/watch?v=8U_R6tJfr-M
From: Jakub Jelinek
Date: Wed, 6 Feb 2013 07:56:44 +0100
> so achieving zero failures might be too hard
I don't believe this, all the sparc failures I see look
like a similar bug just showing up in multiple tests.
From: Eric Botcazou
Date: Wed, 06 Feb 2013 11:13:30 +0100
> I think testing crtl->uses_only_leaf_regs is sufficient here (and
> while you're at it, you could also test the value of
> HAVE_window_save, which can be 0 if -mflat is passed on the SPARC),
> so
>
> #ifdef HAVE_window_save
> if (HA
On 06/02/13 08:38, Ye Joey wrote:
Following case attempts to set floating point control register and
execute floating point operation afterward. However, it doesn't works
as expected with -Os, as GCC hoists multiply operation beyond FP
control register setting.
As there is no register dependence
On Wed, Feb 6, 2013 at 3:23 PM, Kartik Singhal wrote:
> Hi
>
> I am an undergraduate CS student and a beginner to GCC development. I
> am trying to implement a new algorithm for Global Value Numbering
> proposed recently in our research group.
>
> I have basic experience in implementing simple opt
Hi
I am an undergraduate CS student and a beginner to GCC development. I
am trying to implement a new algorithm for Global Value Numbering
proposed recently in our research group.
I have basic experience in implementing simple optimization passes as
dynamic plugins in GCC. I have some questions r
On Wed, Feb 6, 2013 at 7:27 AM, Bin.Cheng wrote:
> Hi,
> Considering below program,
>
> extern int d;
>
> int func(void)
> {
> int a, b, c;
> a = 2;
> c = 5;
> do
> {
> b = a + 1;
> d = a + c;
> a = b;
> c = d;
> } while (a < 100);
>
> return 0;
> }
>
>
Il 06/02/2013 12:22, Frediano Ziglio ha scritto:
>
> I used an header from Linux which is derived from this GCC header when
> GCC was still GPL2 so GPL3 does not apply. Xen is GPL2 too so there is
> no problem using this header in Xen. The problem is including in the
> public headers.
>
> Actuall
On Mon, 2013-02-04 at 13:24 -0800, Ian Lance Taylor wrote:
> On Mon, Feb 4, 2013 at 12:56 PM, Paolo Bonzini wrote:
> >
> > Would it make sense to release the header file under a permissive
> > license or even public domain?
> >
> > The information there is just ABI, it's dubious that it is copyrig
> Now that I understand fully what we're trying to accomplish with the
> DT_OP_GNU_entry_value and DT_OP_GNU_call_site_parameter extensions, it
> does in fact seem like we will need to do leaf register remapping in
> var-tracking.c
>
> Here below is a patch I'm playing with. It's a rough draft bu
Following case attempts to set floating point control register and
execute floating point operation afterward. However, it doesn't works
as expected with -Os, as GCC hoists multiply operation beyond FP
control register setting.
As there is no register dependence between __set_FPSCR and multiply,
h
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