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Re: a question about code optimization

From: éææ <longhaitao at otsc dot com dot cn>
To: Christoph Bartoschek <bartoschek at gmx dot de>
Cc: gcc-help at gcc dot gnu dot org
Date: Tue, 25 Dec 2007 11:00:08 +0800
Subject: Re: a question about code optimization
References: <476CA397.2010505@otsc.com.cn> <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

References:
- a question about code optimization
  - From: 龙海涛
- Re: a question about code optimization
  - From: Christoph Bartoschek

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