[Bug middle-end/28252] pow(x,1/3.0) should be converted to cbrt(x)

[uros at gcc dot gnu dot org]

------- Comment #4 from uros at gcc dot gnu dot org  2006-10-21 20:05 -------
Subject: Bug 28252

Author: uros
Date: Sat Oct 21 20:05:35 2006
New Revision: 117937

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117937
Log:
2006-10-21  Uros Bizjak  <[EMAIL PROTECTED]>

        PR middle-end/28252
        * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
        flag_unsafe_math_optimizations is set.

testsuite/ChangeLog:

        PR middle-end/28252
        * gcc.dg/builtins-8.c: Also check pow(x,1.0/3.0) to cbrt(x)
        transformation.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/builtins-8.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28252