[Bug middle-end/34245] Missing __builtin_fpclassify

[pcarlini at suse dot de]

------- Comment #3 from pcarlini at suse dot de  2007-11-27 16:00 -------
(In reply to comment #2)
> As previously discussed,

Didn't know about that. If you have a pointer, I would like to read the thread.

                           this builtin would either need to be used in the 
> form
> 
> #define fpclassify(x) __builtin_fpclassify(FP_INFINITE, FP_NAN, FP_NORMAL,
> FP_SUBNORMAL, FP_ZERO, (x))

In my opinion, this would be already a nice improvement.

> or would need GCC to be configured with target-specific information about 
> FP_*, since the values of the FP_* macros are not standardized.

I see. At the moment, I'm not able to understand whether that is a major /
controversial change... I would appreciate some additional details, if
possible. Thanks.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34245