On Saturday 28 October 2006 6:46 am, Martin Guy wrote: > > gcc on ARM systems default to unsigned. The C standard specifically > > states that char is either signed or unsigned at the whim of the > > implementor > > Or, more to the point, at the behest of the machine architecture. > Having to generate code to sign-extend the hard way every time you do > char-integer promotion if the hardware doesn't do it automatically > would be long and inefficient, specially since it happens all the > time.
I'd rather have inefficient than broken. And in general, using "char" as a small "int" is going to _suck_ on arm. The extra code size more than makes up for the data size you save if you only have one or two instances of your data at a time. Rob -- "Perfection is reached, not when there is no longer anything to add, but when there is no longer anything to take away." - Antoine de Saint-Exupery _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
