https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70354
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Mar 23 09:52:00 2016 New Revision: 234417 URL: https://gcc.gnu.org/viewcvs?rev=234417&root=gcc&view=rev Log: PR tree-optimization/70354 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If oprnd0 is wider than oprnd1 and there is a cast from the wider type to oprnd1, mask it with the mask of the narrower type. * gcc.dg/vect/pr70354-1.c: New test. * gcc.dg/vect/pr70354-2.c: New test. * gcc.target/i386/avx2-pr70354-1.c: New test. * gcc.target/i386/avx2-pr70354-2.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/pr70354-1.c trunk/gcc/testsuite/gcc.dg/vect/pr70354-2.c trunk/gcc/testsuite/gcc.target/i386/avx2-pr70354-1.c trunk/gcc/testsuite/gcc.target/i386/avx2-pr70354-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-patterns.c
