Messages in this thread | | | Date | Mon, 29 Dec 2003 10:13:33 -0600 (CST) | From | David Lloyd <> | Subject | Re: GCC 3.4 Heads-up |
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On Fri, 26 Dec 2003, Andy Isaacson wrote:
> On Thu, Dec 25, 2003 at 08:34:33PM -0800, Linus Torvalds wrote: > > The cast/conditional expression as lvalue are _particularly_ ugly > > extensions, since there is absolutely zero point to them. They are very > > much against what C is all about, and writing something like this: > > > > a ? b : c = d; > > > > is something that only a high-level language person could have come up > > with. The _real_ way to do this in C is to just do > > > > *(a ? &b : &c) = d; > > > > which is portable C, does the same thing, and has no strange semantics. > > But doesn't the first one potentially let the compiler avoid spilling to > memory, if b and c are both in registers?
I can't imagine anything wrong with:
if (a) b = d else c = d;
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