https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83327
--- Comment #13 from Tom de Vries <vries at gcc dot gnu.org> --- Author: vries Date: Thu Mar 1 05:51:08 2018 New Revision: 258093 URL: https://gcc.gnu.org/viewcvs?rev=258093&root=gcc&view=rev Log: Fix liveness analysis in lra for spilled-into hard regs 2018-03-01 Tom de Vries <t...@codesourcery.com> PR rtl-optimization/83327 * lra-int.h (hard_regs_spilled_into): Declare. * lra.c (hard_regs_spilled_into): Define. (init_reg_info): Init hard_regs_spilled_into. * lra-spills.c (assign_spill_hard_regs): Update hard_regs_spilled_into. * lra-lives.c (make_hard_regno_born, make_hard_regno_dead) (process_bb_lives): Handle hard_regs_spilled_into. (lra_create_live_ranges_1): Before doing liveness propagation, clear regs in all_hard_regs_bitmap if set in hard_regs_spilled_into. Modified: trunk/gcc/ChangeLog trunk/gcc/lra-int.h trunk/gcc/lra-lives.c trunk/gcc/lra-spills.c trunk/gcc/lra.c
