Gentoo Archives: gentoo-amd64

From: Frank Peters <frank.peters@×××××××.net>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Re: GCC-4.5.2 Has Serious Problems
Date: Fri, 01 Jul 2011 16:56:00
Message-Id: 20110701125332.e2b95a10.frank.peters@comcast.net
In Reply to: [gentoo-amd64] Re: GCC-4.5.2 Has Serious Problems by Nikos Chantziaras
1 On Fri, 01 Jul 2011 14:53:45 +0300
2 Nikos Chantziaras <realnc@×××××.de> wrote:
3
4 >
5 > You can alias them with a char* (a char pointer can alias everything in
6 > a valid and defined manner). What you do is use the char* to scan over
7 > the target type. And since a char is always guaranteed to be 8 bits,
8 > it's very suited for doing endian conversions.
9 >
10
11 Yes, that's true, but in my case another concern was having data
12 that is more easily human readable. A text file full of single-byte
13 data is harder to read than a file with full 64 or 32 bit strings.
14
15 For endian conversions, though, the char pointer is recommended.
16
17 But with the availability of the "-fno-strict-aliasing" option it
18 doesn't seem to matter which method is chosen.