From: Pierre-Marie de Rodat <derodat@adacore.com>
To: Richard Biener <richard.guenther@gmail.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH 2/2] DWARF: make it possible to emit debug info for declarations only
Date: Tue, 20 Jun 2017 14:34:00 -0000 [thread overview]
Message-ID: <49e45f2c-80b1-16ee-a2f7-05bfd067cd2d@adacore.com> (raw)
In-Reply-To: <CAFiYyc1LS0pps+RURi0OpkgoT9Ha-ToP9JXf6acN3mj3UsRkKw@mail.gmail.com>
On 06/20/2017 02:16 PM, Richard Biener wrote:
> Nice. This looks ok.
Great, thank you!
> I'm mildy curious about the deecrease of debuginfo size for cc1 -- did
> you spot anything obvious there?
Well, the benchmark I exposed was for the whole file size, not just
.debug_info section size. Just to be sure, I compared object files for
both trunk and my patched tree: outside of Ada units, I only get the
following evolution:
> gcc/dwarf2out.o: -10168 bytes
> gcc/godump.o: +272 bytes
> gcc/passes.o: +880 bytes
This diff comes from my changes themselves. I had a quick look at the
same for cc1’s .debug_info: there is the expected evolution, too,
> I suspect Fortran wants to do sth similar as Ada for imported modules.
Maybe. I have zero Fortran knowledge, so I’ll let a Fortran expert
decide, if that is fine for you. :-) In any case, the back-end is ready
for that.
--
Pierre-Marie de Rodat
next prev parent reply other threads:[~2017-06-20 14:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-29 7:50 [PATCH 1/2] gimplify_modify_expr: avoid DECL_DEBUG_EXPR links across functions Pierre-Marie de Rodat
2017-05-29 8:05 ` [PATCH 2/2] DWARF: make it possible to emit debug info for declarations only Pierre-Marie de Rodat
2017-05-29 13:39 ` Pierre-Marie de Rodat
2017-05-30 12:11 ` Richard Biener
2017-05-30 15:51 ` Pierre-Marie de Rodat
2017-05-31 7:37 ` Richard Biener
2017-05-31 9:12 ` Pierre-Marie de Rodat
2017-06-16 16:35 ` Pierre-Marie de Rodat
2017-06-20 12:16 ` Richard Biener
2017-06-20 14:34 ` Pierre-Marie de Rodat [this message]
2017-06-21 7:11 ` Richard Biener
2017-06-21 11:25 ` Pierre-Marie de Rodat
2017-05-30 11:59 ` [PATCH 1/2] gimplify_modify_expr: avoid DECL_DEBUG_EXPR links across functions Richard Biener
2017-05-30 15:35 ` Pierre-Marie de Rodat
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