From: 龙海涛 <longhaitao@otsc.com.cn>
To: Christoph Bartoschek <bartoschek@gmx.de>
Cc: gcc-help@gcc.gnu.org
Subject: Re: a question about code optimization
Date: Tue, 25 Dec 2007 03:00:00 -0000 [thread overview]
Message-ID: <1198551608.2505.9.camel@localhost.localdomain> (raw)
In-Reply-To: <200712221121.22411.bartoschek@gmx.de>
> Here the situation is quite simple. Because a is a template the
> vector<int>::size() method is probably included in the header files. This
> means that the compiler can examine or inline the code of the method. If the
> compiler additionally determines that in /*do something*/ the size is not
i want to know whether Gcc can determines the size is changed or not...
i did some experiment, and the result is not bad.
anyone can give me some theoritical hints?
> changed, then the optimization is quite straigthforward
>
> Christoph
next prev parent reply other threads:[~2007-12-25 3:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-22 5:41 龙海涛
2007-12-22 10:20 ` Christoph Bartoschek
2007-12-25 3:00 ` 龙海涛 [this message]
[not found] <C3A0E1D1.29B03%eljay@adobe.com>
2008-01-04 14:38 ` 龙海涛
2008-01-05 14:25 ` John Love-Jensen
2008-01-09 17:06 ` 龙海涛
2008-01-09 23:03 ` 龙海涛
2008-01-10 19:51 ` John Love-Jensen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1198551608.2505.9.camel@localhost.localdomain \
--to=longhaitao@otsc.com.cn \
--cc=bartoschek@gmx.de \
--cc=gcc-help@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).