issues with doubles and -fno-schedule-insns2

Nathan Sidwell nathan@codesourcery.com
Fri Nov 26 15:48:00 GMT 2004


Matthew J Fletcher wrote:
> Hi
> 
> i have a C code snipit that causes problems with gcc 3.3.4 and 3.4.1, i have 
> not tried the v4 snapshots, in all cases are am hosted and targeting on i386.

> 
> am i doing something wrong ?
yes. You are breaking the type based aliasing rules.  Your second example
'happens' to work, but don't rely on it doing so for later releases
or other slightly different uses.

nathan

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