https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99225
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-8 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:cf570d10449a35fe4f5e45db087a527eefd0dcf3 commit r8-10891-gcf570d10449a35fe4f5e45db087a527eefd0dcf3 Author: Jakub Jelinek <ja...@redhat.com> Date: Wed Feb 24 12:10:25 2021 +0100 fold-const: Fix up ((1 << x) & y) != 0 folding for vectors [PR99225] This optimization was written purely with scalar integers in mind, can work fine even with vectors, but we can't use build_int_cst but need to use build_one_cst instead. 2021-02-24 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/99225 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of build_int_cst (..., 1). Formatting fixes. * gcc.c-torture/compile/pr99225.c: New test. (cherry picked from commit 4de402ab60c54fff48cb7371644b024d10d7e5bb)
