Andi Hellmund wrote: > >> First of all is there any website, link or docu (whatever) which lists some >> examples of what is legal (under strict aliasing) and what is not ? >> > As the C standard is quite formal, here's a handy explanation about > strict aliasing rules and how they could affect compiler optimizations: > > http://cellperformance.beyond3d.com/articles/2006/06/understanding-strict-aliasing.html But the C standard is correct. I don't believe that the technique in CASTING THROUGH A UNION (2) is correct. This line: 3 U32* in = (U32*)&arg; is bogus. Andrew.
