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From: Gerald Pfeifer <gerald@pfeifer.com>
To: Eric Botcazou <ebotcazou@adacore.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [Ada] Re-enable -feliminate-unused-debug-types by default
Date: Sat, 02 Apr 2011 22:52:00 -0000	[thread overview]
Message-ID: <alpine.LNX.2.00.1104030050500.6055@gerinyyl> (raw)
In-Reply-To: <201104021107.58566.ebotcazou@adacore.com>

On Sat, 2 Apr 2011, Eric Botcazou wrote:
> The previous 7 patches paved the way to enabling 
> -feliminate-unused-debug-types again by default in Ada.  We measured a 
> 12.5% reduction in debug info size on one big application (and an even 
> larger one for another application), as well as a 0.5% reduction in 
> compilation time at -O0 -g.

Nice.  I documented this for GCC 4.7 as follows.

Gerald

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.7/changes.html,v
retrieving revision 1.4
diff -u -r1.4 changes.html
--- changes.html	27 Mar 2011 18:57:39 -0000	1.4
+++ changes.html	2 Apr 2011 22:50:50 -0000
@@ -46,6 +46,13 @@
 
 <h3>Ada</h3>
 
+  <ul>
+    <li>The command-line option <code>-feliminate-unused-debug-types</code>
+      has been removed.  Its behavior is the default now, leading to
+      a reduction in debug info size of 12% and more for relevant
+      cases.</li>
+  </ul>
+
 <h3>C family</h3>
 
 <h3>C++</h3>

  reply	other threads:[~2011-04-02 22:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-02  9:08 Eric Botcazou
2011-04-02 22:52 ` Gerald Pfeifer [this message]
2011-04-03  9:03   ` Eric Botcazou
2011-04-03 22:41     ` Gerald Pfeifer

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