https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66782
--- Comment #14 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- Author: vmakarov Date: Fri Jul 10 13:17:02 2015 New Revision: 225674 URL: https://gcc.gnu.org/viewcvs?rev=225674&root=gcc&view=rev Log: 2015-07-10 Vladimir Makarov <vmaka...@redhat.com> Backport from mainline 2015-07-09 Vladimir Makarov <vmaka...@redhat.com> PR rtl-optimization/66782 * lra-int.h (struct lra_insn_recog_data): Add comment about clobbered hard regs for arg_hard_regs. * lra.c (lra_set_insn_recog_data): Add clobbered hard regs. * lra-lives.c (process_bb_lives): Process clobbered hard regs. Add condition for processing used hard regs. * lra-constraints.c (update_ebb_live_info, inherit_in_ebb): Process clobbered hard regs. Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/lra-constraints.c branches/gcc-5-branch/gcc/lra-int.h branches/gcc-5-branch/gcc/lra-lives.c branches/gcc-5-branch/gcc/lra.c