------- Comment #2 from ebotcazou at gcc dot gnu dot org 2006-02-17 12:04
-------
The code is invalid ISO C because "*((uint32_t *) &sy" breaks aliasing rules.
> Our workarounds include (i) not using the optimiser,
-fno-strict-aliasing should be sufficient.
> or (ii) using a
> union instead of the "*((uint32_t *) &sy" style to obtain the
> floating point (result) pattern.
Yep, the canonical method. See the entry for -fstrict-aliasing in the manual.
--
ebotcazou at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu dot
| |org
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26337
