https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69847
--- Comment #19 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- Author: vmakarov Date: Tue Aug 2 16:07:36 2016 New Revision: 238991 URL: https://gcc.gnu.org/viewcvs?rev=238991&root=gcc&view=rev Log: 2016-08-02 Vladimir Makarov <vmaka...@redhat.com> PR rtl-optimization/69847 * lra-int.h (struct lra-reg): Use restore_rtx instead of restore_regno. (lra_rtx_hash): New. * lra.c (initialize_lra_reg_info_element): Use restore_rtx instead of restore_regno. (lra_rtx_hash): Rename and move lra-remat.c::rtx_hash. * lra-remat.c (rtx_hash): Rename and Move to lra.c. * lra-spills.c (lra_final_code_change): Don't delete insn when the next insn is USE with the same reg as the current insn source. * lra-constraints.c (curr_insn_transform): Use restore_rtx instead of restore_regno. (lra_constraints_init): Call initiate_invariants. (lra_constraints_finish): Call finish_invariants. (struct invariant, invariant_t, invariant_ptr_t): New. (const_invariant_ptr_t, invariants, invariants_pool): New. (invariant_table, invariant_hash, invariant_eq_p): New. (insert_invariant, initiate_invariants, finish_invariants): New. (clear_invariants, invalid_invariant_regs): New. (inherit_reload_reg, split_reg, fix_bb_live_info): Use restore_rtx instead of restore_regno. (invariant_p, process_invariant_for_inheritance): New. (inherit_in_ebb): Implement invariant inheritance. (lra_inheritance): Initialize and finalize invalid_invariant_regs. (remove_inheritance_pseudos): Implement undoing invariant inheritance. (undo_optional_reloads, lra_undo_inheritance): Use restore_rtx instead of restore_regno. * lra-assigns.c (regno_live_length): New. (reload_pseudo_compare_func): Use regno_live_length. (assign_by_spills): Use restore_rtx instead of restore_regno. (lra_assign): Ditto. Initiate regno_live_length. Modified: trunk/gcc/ChangeLog trunk/gcc/lra-assigns.c trunk/gcc/lra-constraints.c trunk/gcc/lra-int.h trunk/gcc/lra-remat.c trunk/gcc/lra-spills.c trunk/gcc/lra.c