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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 87a4762..a80bdf5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,94 @@ +2008-12-09 Vladimir Makarov <vmakarov@redhat.com> + + * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description. + + * doc/invoke.texi (-fira-region): Describe new option. + (-fira-algorithm): Change the values. + + * ira-conflicts.c (build_conflict_bit_table, + build_allocno_conflicts): Use ira_reg_classes_intersect_p. + (ira_build_conflicts): Use flag flag_ira_region instead of + flag_ira_algorithm. Prohibit usage of callee-saved likely spilled + base registers for allocnos crossing calls. + + * flags.h (enum ira_algorithm): Redefine. + (enum ira_region): New. + (flag_ira_region): New. + + * cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region + instead of flag_ira_algorithm. + + * toplev.c (flag_ira_algorithm): Change the initial value. + (flag_ira_region): New. + + * ira-int.h (ira_reg_classes_intersect_p, + ira_reg_class_super_classes): New. + + * ira-color.c (update_copy_costs): Use + ira_reg_classes_intersect_p. Use right class to find hard reg + index. + (update_conflict_hard_regno_costs): Ditto. Add a new parameter. + (assign_hard_reg): Ditto. Pass additional argument to + update_conflict_hard_regno_costs. Do not uncoalesce for priority + coloring. + (allocno_priorities, setup_allocno_priorities, + allocno_priority_compare_func): Move before color_allocnos. + (color_allocnos): Add priority coloring. Use flag flag_ira_region + instead of flag_ira_algorithm. + (move_spill_restore): Check classes of the same reg allocno from + different regions. + (update_curr_costs): Use ira_reg_classes_intersect_p. + (ira_reassign_conflict_allocnos): Ditto. + + * opts.c (decode_options): Always set up flag_ira. Set up + flag_ira_algorithm. Warn CB can not be used for architecture. + (common_handle_option): Modify code for -fira-algorithm. Add code + to process -fira-region. + + * ira-lives.c (update_allocno_pressure_excess_length): Process + superclasses too. + (set_allocno_live, clear_allocno_live, mark_reg_live, + mark_reg_dead, process_bb_node_lives): Ditto. + + * ira-emit.c (ira_emit): Fix insn codes. + + * ira-build.c (propagate_allocno_info): Use flag flag_ira_region + instead of flag_ira_algorithm. + (allocno_range_compare_func): Ignore classes for priority + coloring. + (setup_min_max_conflict_allocno_ids): Ditto. + (ira_flattening): Use ira_reg_classes_intersect_p. + + * genpreds.c (write_enum_constraint_num): Output + CONSTRAINT__LIMIT. + + * common.opt (fira-algorithm): Modify. + (fira-region): New. + + * ira.c (setup_class_hard_regs): Initialize. + (setup_cover_and_important_classes): Modify code setting class + related info for priority coloring. + (setup_class_translate): Ditto. + (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New. + (setup_reg_class_intersect_union): Rename to + setup_reg_class_relations. Add code for setting up new variables. + (find_reg_class_closure): Do not check targetm.ira_cover_classes. + (ira): Use flag flag_ira_region instead of flag_ira_algorithm. + + * ira-costs.c (common_classes): New. + (print_costs): Use flag flag_ira_region instead of + flag_ira_algorithm. + (find_allocno_class_costs): Ditto. Use common_classes. Translate + alt_class. + (ira_costs): Allocate/deallocate common_classes. + + * config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19. + (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for + R02A_REGS. + + * reload1.c (choose_reload_regs): Use MODE_INT for partial ints in + smallest_mode_for_size. + 2008-12-10 Ben Elliston <bje@au.ibm.com> * config/rs6000/linux-unwind.h (get_regs): Constify casts. |