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Re: Quality of GCC 3.1

From: Florian Weimer <fw at deneb dot enyo dot de>
To: Will Cohen <wcohen at redhat dot com>
Cc: Wit Jakuczun <wj178839 at wp dot pl>, gcc at gnu dot org
Date: Tue, 18 Jun 2002 11:15:03 +0200
Subject: Re: Quality of GCC 3.1
References: <20020617210500.GA28032@localhost.tpnet.pl><3D0E61E8.9080200@redhat.com>

Will Cohen <wcohen@redhat.com> writes:

>> 2) Code generated is much slower (3 times on average) especially if streams
>> 	are used
>
> Do you have some concise examples that demonstrate this problem? It is
> hard to fix the problem without test cases. Having a test case that
> allows other people to replicate the problem helps immensely.

This is probably the following issue:

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=4150

It has been marked as "closed", but it's not completely fixed in 3.1:
3.1 is still about three times slower than 2.95.

References:
- Quality of GCC 3.1
  - From: Wit Jakuczun
- Re: Quality of GCC 3.1
  - From: Will Cohen

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