[Bug middle-end/42694] Compiler could optimize pow (x, 0.75) into sqrt (x) * sqrt (sqrt (x))

[meissner at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42694

--- Comment #9 from Michael Meissner <meissner at gcc dot gnu.org> 2010-12-08 16:34:26 UTC ---
Author: meissner
Date: Wed Dec  8 16:34:20 2010
New Revision: 167594

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167594
Log:
PR 42694: add checks to make sure sqrt is supported

Added:
    trunk/gcc/testsuite/gcc.target/powerpc/ppc-pow.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog