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Re: Efficiency of memmove vs. generic typed copy

From: Ian Lance Taylor <ian at airs dot com>
To: Gabriel Dos Reis <gdr at integrable-solutions dot net>
Cc: libstdc++ at gcc dot gnu dot org
Date: 10 Dec 2005 19:49:09 -0800
Subject: Re: Efficiency of memmove vs. generic typed copy
References: <m3acf8wg8e.fsf@uniton.integrable-solutions.net> <m3acf85qhe.fsf@gossamer.airs.com> <m38xus2qzr.fsf@uniton.integrable-solutions.net>

Gabriel Dos Reis <gdr@integrable-solutions.net> writes:

> So, I'm wondering if GCC has machinery that 
> detects the alignment property of memcpy() arguments (in the source
> code) so that faster paths are used to move data.

Yes, it does.

Ian

Follow-Ups:
- Re: Efficiency of memmove vs. generic typed copy
  - From: Gabriel Dos Reis

References:
- Efficiency of memmove vs. generic typed copy
  - From: Gabriel Dos Reis
- Re: Efficiency of memmove vs. generic typed copy
  - From: Ian Lance Taylor
- Re: Efficiency of memmove vs. generic typed copy
  - From: Gabriel Dos Reis

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