https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83338
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Sat Dec 9 11:43:31 2017 New Revision: 255523 URL: https://gcc.gnu.org/viewcvs?rev=255523&root=gcc&view=rev Log: PR tree-optimization/83338 * tree-vect-stmts.c (vectorizable_operation): Handle POINTER_DIFF_EXPR vectorization as MINUS_EXPR with a subsequent VIEW_CONVERT_EXPR from vector of unsigned integers to vector of signed integers. * gcc.dg/vect/pr83338.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/pr83338.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-stmts.c