https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58497
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Oct 22 13:36:46 2015 New Revision: 229173 URL: https://gcc.gnu.org/viewcvs?rev=229173&root=gcc&view=rev Log: 2015-10-22 Richard Biener <rguent...@suse.de> PR tree-optimization/58497 * tree-vect-generic.c (ssa_uniform_vector_p): New helper. (expand_vector_operations_1): Use it. Lower operations on all uniform vectors to scalar operations if the HW supports it. * gcc.dg/tree-ssa/vector-5.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/vector-5.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-generic.c --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Now we fix this up in veclower, still the bug should be addressed in SLP directly (also because it affects cost decisions).
