https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91940
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Oct 2 10:18:50 2019 New Revision: 276442 URL: https://gcc.gnu.org/viewcvs?rev=276442&root=gcc&view=rev Log: PR tree-optimization/91940 * tree-vect-patterns.c: Include tree-vector-builder.h and vec-perm-indices.h. (vect_recog_rotate_pattern): Also handle __builtin_bswap16, either by unpromoting the argument back to uint16_t, or by converting into a rotate, or into shifts plus ior. * gcc.dg/vect/vect-bswap16.c: Add -msse4 on x86, run on all targets, expect vectorized 1 loops message on both vect_bswap and sse4_runtime targets. * gcc.dg/vect/vect-bswap16a.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/vect-bswap16a.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/vect-bswap16.c trunk/gcc/tree-vect-patterns.c
