Hi,
I just wrote this little program to demonstrate a possible flaw in both malloc
and calloc.
If I allocate a the simplest memory region from main(), one out of three
optimization flags fail.
If I allocate the same region from a function, three out of three optimization
flags fail.
Does some
On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
wrote:
>
> Hi,
>
> I just wrote this little program to demonstrate a possible flaw in both
> malloc and calloc.
>
> If I allocate a the simplest memory region from main(), one out of three
> optimization flags fail.
> If I allocate the same region
On Mon, 2021-02-22 at 01:29 -0800, Andrew Pinski wrote:
> On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
> wrote:
> > Hi,
> >
> > I just wrote this little program to demonstrate a possible flaw in both
> > malloc and calloc.
> >
> > If I allocate a the simplest memory region from main(), one
On Mon, Feb 22, 2021 at 1:37 AM Michael J. Baars
wrote:
>
> On Mon, 2021-02-22 at 01:29 -0800, Andrew Pinski wrote:
> > On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
> > wrote:
> > > Hi,
> > >
> > > I just wrote this little program to demonstrate a possible flaw in both
> > > malloc and callo
On 2/22/21 10:37 AM, Michael J. Baars wrote:
On Mon, 2021-02-22 at 01:29 -0800, Andrew Pinski wrote:
On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
wrote:
Hi,
I just wrote this little program to demonstrate a possible flaw in both malloc
and calloc.
If I allocate a the simplest memory reg
On Mon, 2021-02-22 at 01:41 -0800, Andrew Pinski wrote:
> On Mon, Feb 22, 2021 at 1:37 AM Michael J. Baars
> wrote:
> > On Mon, 2021-02-22 at 01:29 -0800, Andrew Pinski wrote:
> > > On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
> > > wrote:
> > > > Hi,
> > > >
> > > > I just wrote this little
On Mon, 2021-02-22 at 10:50 +0100, Gabriel Ravier via Gcc wrote:
> On 2/22/21 10:37 AM, Michael J. Baars wrote:
> > On Mon, 2021-02-22 at 01:29 -0800, Andrew Pinski wrote:
> > > On Mon, Feb 22, 2021 at 1:17 AM Michael J. Baars
> > > wrote:
> > > > Hi,
> > > >
> > > > I just wrote this little prog
On 2/20/21 9:15 AM, Shuai Wang wrote:
Thank you very much! Just a follow-up question regarding IPA.
Currently I can follow the tree-profile.c sample to perform IPA. However, my
analysis is limited to all functions within one .c file. Is it possible for me
to do cross- .c file analysis? That is
On Mon, 22 Feb 2021 at 02:17, Neven Sajko wrote:
>
> On Mon, 15 Feb 2021 at 08:11, Jonathan Wakely wrote:
> >
> >
> >
> > On Mon, 15 Feb 2021, 00:48 Neven Sajko via Gcc, wrote:
> >>
> >>
> >> This is why I am asking for this feature to be documented. It seems
> >> like this would be the most app
I am in the process of porting gcc-10.2.0 to a non-Unix operating system called
VOS that does have a POSIX Application Programming Interface (API) but does not
have a Unix Application Binary Interface (ABI). The main way that VOS differs
from Unix is in how the Global Offset Table (GOT) for posi
I'm having a "linker" error (according to Martin Liška) when
compiling a SPEC test (x264_r) with a vendor branch under development (my
optimization is done at LTO time.)
The binutils on my development machine is the version
that came with Ubuntu 18.02. Do I need to install a more
current version
On 2/20/21 8:46 AM, David Malcolm via Gcc wrote:
On Sat, 2021-02-20 at 15:25 +0100, David Brown wrote:
On 19/02/2021 12:18, Jonathan Wakely via Gcc wrote:
On Fri, 19 Feb 2021 at 09:42, David Brown wrote:
Just to be clear - I am not in any way suggesting that this
situation is
the fault of any
On Sun, 2021-02-21 at 05:27 +, brian.sobulefsky wrote:
> To be clear, I only solved the lesser problem
>
> if(idx-- > 0)
> __analyzer_eval(idx >= 0);
>
> which is a stepping stone problem. I correctly surmised that this was
> failing
> (with the prefix operator and -= operator working as ex
On Sat, 2021-02-20 at 17:49 +0100, David Brown wrote:
>
>
> On 20/02/2021 16:46, David Malcolm wrote:
> > On Sat, 2021-02-20 at 15:25 +0100, David Brown wrote:
>
>
> >
> > I think we need to think about both of these use-cases e.g. as we
> > implement our diagnostics, and that we should mentio
On Tue, 23 Feb 2021, 01:02 Martin Sebor, wrote:
>
> So I wonder if changing configure to either implicitly use a command
> line option for its tests or set an environment variable to request
> a permissive mode might be a way out.
>
Having a different set of rules for configure scripts is bound
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