[Bug fortran/39280] Optimizing integer power

dfranke at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Sun May 9 21:09:00 GMT 2010



------- Comment #4 from dfranke at gcc dot gnu dot org  2010-05-09 21:08 -------
Situation still the same with gcc version 4.6.0 20100509 (experimental) (GCC).

(In reply to comment #1)
> ... this asks for a POW_EXPR middle-end tree I guess.  Or you can use
> builtins.c:expand_powi* do generate an expanded power series.

Would that be enough of a gain to be worth the effort?


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dfranke at gcc dot gnu dot org changed:

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39280



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