[Bug tree-optimization/28778] [4.0/4.1 Regression] alias bug with cast and call clobbered
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Sun Nov 5 22:26:00 GMT 2006
------- Comment #48 from pinskia at gcc dot gnu dot org 2006-11-05 22:26 -------
(In reply to comment #46)
> Folks, can anyone please tell me if this is the same problem as I am seeing
> here using gcc 4.0.2 for x86_64:
> inline long long Vgetbytes(double f) {
> return *reinterpret_cast<const long long *>(&f);
> }
No that is not the same problem, in fact the above is just plainly violating
C++ aliasing rules.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28778
More information about the Gcc-bugs
mailing list