Re: various warnings in 5.1.4 and 5.2.0-work4 with icc/msvc64/splint

[Andre Leiradella <andre@...>]

On 25/10/2010 20:53, Roberto Ierusalimschy wrote:
> > On Mon, Oct 25, 2010 at 1:49 PM, Roberto Ierusalimschy
> > <roberto@inf.puc-rio.br>  wrote:
> > > > 5.1.4
> > > > lgc.c(288) : warning C4334: '<<' : result of 32-bit shift implicitly
> > > > converted to 64 bits (was 64-bit shift intended?)
> > > > ltable.c(323) : warning C4334: '<<' : result of 32-bit shift
> > > > implicitly converted to 64 bits (was 64-bit shift intended?)
> > > > ltable.c(376) : warning C4334: '<<' : result of 32-bit shift
> > > > implicitly converted to 64 bits (was 64-bit shift intended?)
> > > Do you know what that means? This is (1<<  (x)), where x is an unsigned
> > > byte. How shoud I write that to avoid this implicit conversion?
> > 1L<<  x or maybe 1LL<<  x?
> I do not intend a 64-bit shift. I intend a 32-bit shift (plus a way to
> stop the compiler trying to guess what I intend).
>
> -- Roberto
Maybe a cast to unsigned int will silence the warning?

Andre
>