cvs commit: src/include _ctype.h

Andrey Chernov ache at
Wed Oct 31 15:35:12 PDT 2007

On Tue, Oct 30, 2007 at 10:03:31AM -1000, Juli Mallett wrote:
> Is there a specific expensive instruction you're trying to avoid?
> For such thoroughyl bit-aligned range checks, you shouldn't even get a branch
> for the former case.  Is there a platform other than i386 I should look at where
> the previous expression is more clearly pessimized?  Or a different compiler
> than GCC?

Besides optimizing the case when no optimization used in compiler for some 
reason, the next reason is to keep ctype in its style, i.e. ressemble 
isascii() there.


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