From: David Edelsohn <dje.gcc@gmail.com>
To: Iain Sandoe <iain@sandoe.co.uk>,
"Gade, Naresh (Coral Springs)" <naresh.gade@fiserv.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: GCC V10.3 compiler issue.
Date: Fri, 23 Sep 2022 04:02:50 -0400 [thread overview]
Message-ID: <CAGWvnynsQ1GW7N0gOU=KXZbsvN6OBch973pm8ec2_R9p5Q9jRA@mail.gmail.com> (raw)
In-Reply-To: <29A0282C-3E2A-48DC-81EE-F0B981A5DD4E@sandoe.co.uk>
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On Fri, Sep 23, 2022 at 3:39 AM Iain Sandoe <iain@sandoe.co.uk> wrote:
> Hello Naresh,
>
> > On 23 Sep 2022, at 01:40, Gade, Naresh (Coral Springs)
> <naresh.gade@Fiserv.com> wrote:
>
> > We have downloaded GCC V10.3 compiler on our AIX server but we noticed a
> weird thing about the size of object files for certain source files.
> >
> > When tried to dump the object file, we noticed the DATA segment in the
> file is a large chunk of NULLS and it is eating lot of memory space.
>
GCC changed default behavior to use -fno-common. This probably is
initialized zeroes. You can try adding -fcommon to revert to the original
behavior, but please ensure that you understand the impact of that semantic.
Thanks, David
prev parent reply other threads:[~2022-09-23 8:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <MW5PR10MB585199A1111EC88D94EA1D3C82519@MW5PR10MB5851.namprd10.prod.outlook.com>
2022-09-23 7:39 ` Iain Sandoe
2022-09-23 8:02 ` David Edelsohn [this message]
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