This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 12 Mar 2012 12:37:11 +0000
- Subject: [Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc
- Auto-submitted: auto-generated
- References: <bug-46728-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46728
--- Comment #16 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-03-12 12:37:11 UTC ---
(In reply to comment #15)
> I see this test failing on powerpc-apple-darwin8 (32b G4, ppc7400):
> http://gcc.gnu.org/ml/gcc-testresults/2012-03/msg01296.html
> Is this specific to 64b, or should it also work for 32b ppc?
It looks like these tests should be skipped for darwin. The last three
failures are due to a lack of __builtin_cbrt for that target. The execution
failures are due to -fpowerpc-gpopt which apparently generates an illegal
instruction for that target. I'll modify these tests to add skips for
powerpc*-*-darwin*.