https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90275
--- Comment #16 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jeff Law <l...@gcc.gnu.org>: https://gcc.gnu.org/g:eeb0c7c07133634eb5e98ba0348392684a763c95 commit r10-7383-geeb0c7c07133634eb5e98ba0348392684a763c95 Author: Jeff Law <l...@redhat.com> Date: Wed Mar 25 14:12:32 2020 -0600 Fix vector-compare-1 regressions on sh4/sh4eb caused by pattern clobbering T reg without expressing that in its RTL. PR rtl-optimization/90275 * config/sh/sh.md (mov_neg_si_t): Clobber the T register in the pattern.