From: Richard Biener <rguenther@suse.de>
To: Jakub Jelinek <jakub@redhat.com>
Cc: gcc-patches@gcc.gnu.org, jason@redhat.com
Subject: Re: [PATCH][C++] Annotate more functions with MEM-STATs
Date: Fri, 17 Feb 2017 12:59:00 -0000 [thread overview]
Message-ID: <alpine.LSU.2.20.1702171329220.8538@zhemvz.fhfr.qr> (raw)
In-Reply-To: <20170217122750.GI1849@tucnak>
On Fri, 17 Feb 2017, Jakub Jelinek wrote:
> On Fri, Feb 17, 2017 at 01:22:57PM +0100, Richard Biener wrote:
> > And even unify CXX_MEM_STAT_INFO and MEM_STAT_INFO, also dropping support
> > for host compilers < GCC 4.8, GCC 4.8 introduced __builtin_FILE and
> > friends (you'd have to bootstrap with older host compilers or clang
> > which doesn't seem to support those either and still claims to be
> > GCC 4.2.1 ...).
>
> Do you mean drop support for host < GCC 4.8 if detailed mem stats gathering
> is requested, or dropping support for such host compilers altogether?
> I have no problem with the former, big problem with the latter.
The former, and it would just make stage1 more-or-less behave as if
detailed mem stats gathering would be disabled (with a simple-minded
approach GATHER_STATISTICS would still be 1 but all MEM_STAT_DECL, etc.
would expand to nothing, thus require __builtin_FILE () support).
Richard.
next prev parent reply other threads:[~2017-02-17 12:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 12:23 Richard Biener
2017-02-17 12:27 ` Richard Biener
2017-02-17 12:30 ` Jakub Jelinek
2017-02-17 12:59 ` Richard Biener [this message]
2017-02-18 4:53 ` Jason Merrill
2017-04-21 9:27 ` Richard Biener
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