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2002-09-30reload.c (push_reload): Handle subregs and secondary memory.Jan Hubicka1-4/+6
* reload.c (push_reload): Handle subregs and secondary memory. * reload1.c (gen_reload): Likewise. * jump.c (reg_or_subregno): New function. * rtl.h (reg_or_subregno): Declare * unroll.c (find_splittable_givs): Handle subregs. From-SVN: r57663
2002-09-26c-common.h: Follow spelling conventions.Kazu Hirata1-8/+8
* c-common.h: Follow spelling conventions. * cpplex.c: Likewise. * cpplib.h: Likewise. * gthr-dce.h: Likewise. * gthr-posix.h: Likewise. * optabs.c: Likewise. * output.h: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * ra-rewrite.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. From-SVN: r57555
2002-09-15ChangeLog: Follow spelling conventions.Kazu Hirata1-1/+1
* ChangeLog: Follow spelling conventions. * ChangeLog.0: Likewise. * ChangeLog.1: Likewise. * ChangeLog.2: Likewise. * ChangeLog.4: Likewise. * ChangeLog.6: Likewise. * config.gcc: Likewise. * dwarfout.c: Likewise. * reload1.c: Likewise. * simplify-rtx.c: Likewise. * unwind-sjlj.c: Likewise. * config/avr/avr.h: Likewise. * config/d30v/d30v.h: Likewise. * config/frv/frv.c: Likewise. * config/frv/frv.h: Likewise. * config/ip2k/ip2k.h: Likewise. * config/m88k/m88k-move.sh: Likewise. * config/stormy16/stormy16.c: Likewise. * config/stormy16/stormy16.h: Likewise. * doc/extend.texi: Likewise. * doc/interface.texi: Likewise. * doc/invoke.texi: Likewise. * doc/md.texi: Likewise. * doc/rtl.texi: Likewise. * doc/tm.texi: Likewise. * doc/trouble.texi: Likewise. * ginclude/float.h: Likewise. * treelang/treelang.texi: Likewise. From-SVN: r57179
2002-09-05In reload, retain only those clobbers added for variable-array handling.Dale Johannesen1-4/+7
From-SVN: r56863
2002-08-14Insert memory clobbers before the code that pops variable arrays.Dale Johannesen1-3/+7
This prevents the scheduler from moving references to the arrays below the stack pop. From-SVN: r56328
2002-08-14reload.c (find_reloads): Handle constraint letters marked by ↵Ulrich Weigand1-2/+6
EXTRA_ADDRESS_CONSTRAINT and... * reload.c (find_reloads): Handle constraint letters marked by EXTRA_ADDRESS_CONSTRAINT and EXTRA_MEMORY_CONSTRAINT. (alternative_allows_memconst): Likewise. * reload1.c (maybe_fix_stack_asms): Likewise. * recog.c (asm_operand_ok, preprocess_constraints, constrain_operands): Likewise. * regclass.c (record_operand_costs, record_reg_classes): Likewise. * local-alloc.c (block_alloc, requires_inout): Likewise. * stmt.c (parse_output_constraint, parse_input_constraint): Likewise. * defaults.h (EXTRA_MEMORY_CONSTRAINT): Provide a default. (EXTRA_ADDRESS_CONSTRAINT): Likewise. * doc/tm.texi: Document these two new target macros. * config/s390/s390.c (s390_expand_plus_operand): Accept already valid operands. (q_constraint): New function. config/s390/s390-protos.h (q_constraint): Declare it. config/s390/s390.h (EXTRA_CONSTRAINT): Use it. (EXTRA_MEMORY_CONSTRAINT): New macro. * config/s390/s390.md: Throughout the machine description, replace all instances of the constraint combinations 'Qo' or 'oQ' with simply 'Q'. From-SVN: r56291
2002-08-14reload1.c (reload_cse_simplify): Before checking REG_FUNCTION_VALUE_P, check ↵Hans-Peter Nilsson1-1/+2
REG_P. * reload1.c (reload_cse_simplify): Before checking REG_FUNCTION_VALUE_P, check REG_P. From-SVN: r56267
2002-07-30fold-const.c: Fix comment typos.Kazu Hirata1-1/+1
* fold-const.c: Fix comment typos. * gcse.c: Likewise. * reload1.c: Likewise. From-SVN: r55876
2002-07-23defaults.h (obstack_chunk_alloc, [...]): Default definition.Neil Booth1-3/+0
* defaults.h (obstack_chunk_alloc, obstack_chunk_free): Default definition. * gcse.c: Don't define obstack_chunk_free. * collect2.c, conflict.c, df.c, diagnostic.c, fix-header.c, flow.c, gcc.c, genattrtab.c, genautomata.c, genflags.c, gensupport.c, integrate.c, loop.c, ra.c, read-rtl.c, regrename.c, reload1.c, reorg.c, tlink.c, tree.c, config/arm/arm.c, objc/objc-act.c: Don't define obstack macros. cp: * class.c, method.c, pt.c, search.c: Similarly. From-SVN: r55665
2002-07-21* reload1.c (fixup_abnormal_edges): Remove unused variable.Andreas Jaeger1-1/+0
From-SVN: r55625
2002-07-19* reload1.c (reload_as_needed): Duplicate oldpat.Momchil Velikov1-1/+1
From-SVN: r55600
2002-07-15[multiple changes]Michael Matz1-5/+14
2002-07-15 Michael Matz <matz@suse.de>, Daniel Berlin <dberlin@dberlin.org>, Denis Chertykov <denisc@overta.ru> Add a new register allocator. * ra.c: New file. * ra.h: New file. * ra-build.c: New file. * ra-colorize.c: New file. * ra-debug.c: New file. * ra-rewrite.c: New file. * Makefile.in (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, (ra-rewrite.o): New .o files for libbackend.a. (GTFILES): Add basic-block.h. * toplev.c (flag_new_regalloc): New. (f_options): New option "new-ra". (rest_of_compilation): Call initialize_uninitialized_subregs() only for the old allocator. If flag_new_regalloc is set, call new allocator, instead of local_alloc(), global_alloc() and friends. * doc/invoke.texi: Document -fnew-ra. * basic-block.h (FOR_ALL_BB): New. * config/rs6000/rs6000.c (print_operand): Write small constants as @l+80. * df.c (read_modify_subreg_p): Narrow down cases for a rmw subreg. (df_reg_table_realloc): Make size at least as large as max_reg_num(). (df_insn_table_realloc): Size argument now is absolute, not relative. Changed all callers. * gengtype.c (main): Add the pseudo-type "HARD_REG_SET". * regclass.c (reg_scan_mark_refs): Ignore NULL rtx's. 2002-06-20 Michael Matz <matz@suse.de> * df.h (struct ref.id): Make unsigned. * df.c (df_bb_reg_def_chain_create): Remove unsigned cast. 2002-06-13 Michael Matz <matz@suse.de> * df.h (DF_REF_MODE_CHANGE): New flag. * df.c (df_def_record_1, df_uses_record): Set this flag for refs involving subregs with invalid mode changes, when CLASS_CANNOT_CHANGE_MODE is defined. 2002-05-07 Michael Matz <matz@suse.de> * reload1.c (fixup_abnormal_edges): Don't insert on NULL edge. 2002-05-03 Michael Matz <matz@suse.de> * sbitmap.c (sbitmap_difference): Accept sbitmaps of different size. Sat Feb 2 18:58:07 2002 Denis Chertykov <denisc@overta.ru> * regclass.c (regclass): Work with all regs which have sets or refs. (reg_scan_mark_refs): Count regs inside (clobber ...). 2002-01-04 Michael Matz <matzmich@cs.tu-berlin.de> * df.c (df_ref_record): Correctly calculate SUBREGs of hardregs. (df_bb_reg_def_chain_create, df_bb_reg_use_chain_create): Only add new refs. (df_bb_refs_update): Don't clear insns_modified here, ... (df_analyse): ... but here. * sbitmap.c (dump_sbitmap_file): New. (debug_sbitmap): Use it. * sbitmap.h (dump_sbitmap_file): Add prototype. 2001-08-07 Daniel Berlin <dan@cgsoftware.com> * df.c (df_insn_modify): Grow the UID table if necessary, rather than assume all emits go through df_insns_modify. 2001-07-26 Daniel Berlin <dan@cgsoftware.com> * regclass.c (reg_scan_mark_refs): When we increase REG_N_SETS, increase REG_N_REFS (like flow does), so that regclass doesn't think a reg is useless, and thus, not calculate a class, when it really should have. 2001-01-28 Daniel Berlin <dberlin@redhat.com> * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP_REV): New macro, needed for dataflow analysis. From-SVN: r55458
2002-06-17reload1.c (merge_assigned_reloads): Don't change reloads other than ↵J"orn Rennecke1-0/+8
RELOAD_FOR_INPUT_ADDRESS /... * reload1.c (merge_assigned_reloads): Don't change reloads other than RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS to RELOAD_OTHER when there are conflicting input reloads. From-SVN: r54703
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-20/+15
2002-06-05 David S. Miller <davem@redhat.com> Delete SEQUENCE rtl usage outside of reorg and ssa passes. * rtl.h (gen_sequence, emit_insns, emit_insns_before, emit_insns_before_scope, emit_insns_after, emit_insns_after_scope): Delete declaration. * ada/misc.c (insert_code_for): Use emit_insn* instead of emit_insns_foo. * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE. (alpha_set_memflags): Fix comment. (set_frame_related_p): Use get_insns instead of gen_sequence. * config/alpha/alpha.md (setjmp receiver splitter): Avoid emitting no insns. * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of gen_sequence. (arm_gen_load_multiple, arm_gen_store_multiple): Likewise. * config/fr30/fr30.c (fr30_move_double): Likewise. * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr): Likewise. * config/ia64/ia64.c (spill_restore_mem): Likewise. * config/ia64/ia64.md (conditional move spliiter): Avoid emitting no insns. * config/m32r/m32r.c (gen_split_move_double): Use get_insns instead of gen_sequence. * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise. (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise. * config/sh/sh.c (sh_need_epilogue): Likewise. * config/sparc/sparc.md (current_function_calls_alloca, flat): New attributes. (setjmp pattern and split): Use them to avoid splitter which emits no RTL. * genattrtab.c (main): Emit include of function.h * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use get_insns instead of gen_sequence. * config/cris/cris.c (cris_split_movdx): Likewise. * emit-rtl.c (emit_insns*): Kill. (try_split): Expect insn list instead of SEQUENCE. (make_jump_insn_raw, make_call_insn_raw): Fix comments. (emit_*insn*): Reimplement to work with INSN lists and PATTERNs. Make them abort if a SEQUENCE is given and RTL checking is enabled. (emit_*_scope): Don't forget to set scope on final insn. (gen_sequence): Move from here... * ssa.c (gen_sequence): To here as private function. * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix comments. (expand_builtin_return, expand_builtin_mathfn): Likewise. (expand_builtin_strlen): Use get_insns instead of gen_sequence. (expand_builtin_saveregs): Use emit_insn_foo, fix comments. (expand_builtin_expect_jump): Use get_insns and fix comments. * calls.c (try_to_integrate): Use emit_insn_foo. (expand_call, emit_library_call_value_1): Likewise. * expr.c (emit_queue): Handle insn lists instead of SEQUENCE. (emit_move_insn_1): Use get_insns instead of gen_sequence. (expand_expr): Use emit_insn_foo. * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo. * except.c (build_post_landing_pads): Likewise. * flow.c (attempt_auto_inc): Likewise. * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label, expand_nl_goto_receivers, expand_decl_cleanup): Likewise. * function.c (fixup_var_refs_insn): Use get_insns instead of gen_sequence. (fixup_var_refs_1): Likewise and expect insn list from gen_foo. (fixup_memory_subreg): Use get_insns instead of gen_sequence. (fixup_stack_1, purge_addressof_1, expand_main_function, get_arg_pointer_save_area): Likewise. (optimize_bit_field, instantiate_virtual_regs_1, assign_parms, expand_function_end): Use emit_insn_foo. (record_insns, keep_stack_depressed): Work with insn list instead of SEQUENCE, fix comments. * ifcvt.c (noce_emit_store_flag, noce_try_store_flag, noce_try_store_flag_constants, noce_try_store_flag_inc, noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Use emit_insn_foo. (noce_process_if_block): Use get_insns instead of gen_sequence. * optabs.c (add_equal_note): Work with insn list, fix comments. (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo. (expand_unop, expand_complex_abs, expand_unop_insn, expand_no_conflict_block): Likewise. (gen_move_insn): Use get_insns instead of gen_sequence. (gen_cond_trap): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. (emit_initial_value_sets): Use emit_insn_foo. * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise. (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently now that RTL generators give insn lists. * sibcall.c (replace_call_placeholder): Use emit_insn_foo. * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns instead of gen_sequence. (doloop_optimize): Work with insn lists instead of SEQUENCE rtl. * explow.c (emit_stack_save, emit_stack_restore): Use get_insns instead of gen_sequence. * loop.c (move_movables, emit_prefetch_instructions, gen_add_mult, check_dbra_loop, gen_load_of_final_value): Likewise. (loop_regs_update): Work with insn list instead of SEQUENCE rtl. (product_cheap_p): Likewise, and add commentary about RTL wastage here. * lcm.c (optimize_mode_switching): Use get_insns instead of gen_sequence. * profile.c (gen_edge_profiler): Likewise. * regmove.c (copy_src_to_dest): Likewise. * reg-stack.c (compensate_edge): Likewise and fix comment. * gcse.c (process_insert_insn): Likewise. (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl. * jump.c (delete_prior_computation): Update comment. * genemit.c (gen_expand, gen_split, main): Use get_insns instead of gen_sequence, update comments to match. * recog.c (peephole2_optimize): Work with insn lists instead of SEQUENCE rtl. * sched-vis.c (print_pattern): Abort on SEQUENCE. * unroll.c (unroll_loop, find_splittable_givs, final_giv_value): Use get_insns instead of gen_sequence. (copy_loop_body): Likewise and don't emit dummy NOTE. * genrecog.c: Don't mention SEQUENCE rtl in comments. * combine.c (try_combine): Expect insn lists from split generator. * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by hand. From-SVN: r54497
2002-06-10alias.c (static_reg_base_value): New to hold RTL for items allocated once ↵Jeff Law1-12/+14
per function for the aliasing code. * alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code. (init_alias_once_per_function): Initialize static_reg_base_value. (init_alias_analysis): Avoid throw-away allocations of RTL by using pre-computed values in static_reg_base_value. * function.c (prepare_function_start): Call init_alias_once_per_function appropriately. * rtl.h (init_alias_once_per_function): Declare. * caller-save (init_caller_save): Restructure slightly to avoid lots of silly RTL generation. * expr.c (init_expr_once): Likewise. * reload1.c (reload_cse_regs_1): Allocate throw-away register RTL object here. Pass it into children. (reload_cse_simplify_operands): Use passed-in register RTL object. (reload_cse_simplify): Pass through throw-away register RTL object. From-SVN: r54442
2002-06-09Forgot to commit on Friday.Jeff Law1-4/+2
From-SVN: r54416
2002-05-31gcse.c (gcse_emit_move_after): New.Jan Hubicka1-95/+29
* gcse.c (gcse_emit_move_after): New. (pre_delete, hoist_store): Use it. * reload1.c (emit_input_reload_insns): Use constrain_operands instead of constraint_accepts_reg_p to verify optimization. (constraint_accepts_reg_p): Kill * reload1.c (reload_cse_delete_noop_set): Kill. (reload_cse_simplify): use delte_insn_and_edges. From-SVN: r54105
2002-05-23bb-reorder.c (make_reorder_chain, [...]): Use FOR_EACH_BB macros to iterate ↵Zdenek Dvorak1-9/+10
over basic block chain. * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): Use FOR_EACH_BB macros to iterate over basic block chain. * cfg.c (clear_edges, clear_bb_flags, dump_flow_info, alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges): Likewise. * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add, find_unreachable_blocks, create_edge_list, verify_edge_list, remove_fake_edges, add_noreturn_fake_exit_edges, flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute): Likewise. * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks): Likewise. * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks): Likewise. * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps): Likewise. * cfgloop.c (flow_loops_cfg_dump, flow_loops_find): Likewise. * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges, commit_edge_insertions, commit_edge_insertions_watch_calls, print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise. * combine.c (combine_instructions, reg_dead_at_p): Likewise. * conflict.c (conflict_graph_compute): Likewise. * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1, df_modified_p, df_refs_unlink, df_dump): Likewise. * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise. * final.c (compute_alignments): Likewise. * flow.c (update_life_info, update_life_info_in_dirty_blocks, delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data, count_or_remove_death_notes): Likewise. * gcse.c (oprs_unchanged_p, record_last_reg_set_info, compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill, classic_gcse, compute_transp, cprop, compute_pre_data, compute_transpout, invalidate_nonnull_info, delete_null_pointer_checks_1, delete_null_pointer_checks, compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems, compute_store_table, build_store_vectors, store_motion): Likewise. * global.c (global_conflicts, mark_elimination): Likewise. * graph.c (print_rtl_graph_with_bb): Likewise. * haifa-sched.c (sched_init): Likewise. * ifcvt.c (if_convert): Likewise. * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete, compute_available, compute_nearerout, compute_rev_insert_delete, optimize_mode_switching): Likewise. * local-alloc.c (local_alloc, update_equiv_regs): Likewise. * predict.c (estimate_probability, note_prediction_to_br_prob, propagate_freq, counts_to_freqs, expensive_function_p, estimate_bb_frequencies): Likewise. * profile.c (instrument_edges, get_exec_counts, compute_branch_probabilities, compute_checksum, branch_prob, find_spanning_tree): Likewise. * recog.c (split_all_insns, peephole2_optimize): Likewise. * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs): Likewise. * regclass.c (scan_one_insn, regclass): Likewise. * regmove.c (mark_flags_life_zones, regmove_optimize, record_stack_memrefs): Likewise. * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise. * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise. * resource.c (find_basic_block): Likewise. * sched-ebb.c (schedule_ebbs): Likewise. * sched-rgn.c (is_cfg_nonregular, build_control_flow, find_single_block_region, find_rgns, schedule_insns) * sibcall.c (optimize_sibling_and_tail_recursive_call) * ssa-ccp.c (optimize_unexecutable_edges, ssa_ccp_df_delete_unreachable_insns): Likewise. * ssa-dce.c (ssa_eliminate_dead_code): Likewise. * ssa.c (find_evaluations, compute_dominance_frontiers_1, rename_block, convert_to_ssa, compute_conservative_reg_partition, compute_coalesced_reg_partition, rename_equivalent_regs, convert_from_ssa): Likewise. * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue, process_for_unwind_directive): Likewise. * df.c (FOR_ALL_BBS): Removed. * gcse.c (struct null_pointer_info): Type of current_block field changed. (struct reg_avail_info): Type of last_bb field changed. * config/ia64/ia64.c (block_num): Removed. (need_copy_state): Type changed. (last_block): New. From-SVN: r53804
2002-05-21reload1.c (do_output_reload): Run delete_output_reload only if optimizing.NIIBE Yutaka1-0/+1
* reload1.c (do_output_reload): Run delete_output_reload only if optimizing. From-SVN: r53707
2002-05-20* reload1.c (reload_cse_simplify): Fix typo in rtx code check.Krister Walfridsson1-2/+2
From-SVN: r53675
2002-05-16Revert "Basic block renumbering removal", and two followup patches.Richard Henderson1-10/+9
From-SVN: r53537
2002-05-16Basic block renumbering removal.Zdenek Dvorak1-9/+10
From-SVN: r53522
2002-05-16reload1.c (forget_old_reloads_1): Do not use subreg offset.Aldy Hernandez1-6/+4
2002-05-15 Aldy Hernandez <aldyh@redhat.com> * reload1.c (forget_old_reloads_1): Do not use subreg offset. From-SVN: r53496
2002-05-09read-rtl.c: Fix formatting.Kazu Hirata1-7/+7
* read-rtl.c: Fix formatting. * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * resource.c: Likewise. * rtlanal.c: Likewise. * rtl.c: Likewise. * rtl-error.c: Likewise. From-SVN: r53313
2002-05-07rtl.h (struct rtx_def): Update comments.Janis Johnson1-2/+3
* rtl.h (struct rtx_def): Update comments. (RTL_FLAG_CHECK[12345678]): New. (rtl_check_failed_flag): Declare. (RTL_FLAG): New. (CLEAR_RTX_FLAGS): New. (flag access macros): Use RTL_FLAG_CHECK macros with list of expected RTL codes. * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro. (rtl_check_failed_flag): New. * reload1.c (reload): Use REG macro before changing rtx to MEM. (reload_cse_noop_set_p): Check rtx code before using access macro. * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code before using access macro. From-SVN: r53245
2002-04-29reload1.c (eliminate_regs, [...]): Fix typo in adjust_address_nv call.Richard Kenner1-1/+1
* reload1.c (eliminate_regs, case SUBREG): Fix typo in adjust_address_nv call. From-SVN: r52914
2002-04-28re PR rtl-optimization/6475 (zlib miscompilation with gcc-3.1)Jakub Jelinek1-3/+13
PR optimization/6475 * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo register of REGNO_DECL (i). * Makefile.in (reload1.o): Add $(TREE_H). * gcc.dg/20020426-2.c: New test. From-SVN: r52855
2002-04-10reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM is only used as ↵Ulrich Weigand1-1/+4
frame pointer when... * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM is only used as frame pointer when frame_pointer_needed is true. From-SVN: r52140
2002-03-28re PR target/6087 (3.1 i86 FP stack pop bug)Richard Henderson1-1/+12
PR target/6087 * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence. From-SVN: r51543
2002-03-12reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a ↵Ulrich Weigand1-1/+6
valid memory_operand. * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a valid memory_operand. From-SVN: r50681
2002-03-07* reload1.c (reload_cse_delete_noop_set): Purge dead edges.Jan Hubicka1-0/+3
From-SVN: r50406
2002-03-07basic-block.h (fixup_abnormal_edges): Declare.Jan Hubicka1-2/+2
* basic-block.h (fixup_abnormal_edges): Declare. * reload1.c (fixup_abnormal_edges): New function. * reg-stack.c (convert_regs): Use it. * gcse.c (insert_insn_end_bb): Handle trapping insns. * gcse.c (hash_scan_set): Refuse instructions with EH edges. From-SVN: r50405
2002-03-06reload1.c (reload): Unshare all rtl after reload is done.Ulrich Weigand1-0/+5
* reload1.c (reload): Unshare all rtl after reload is done. * simplify-rtx.c (simplify_plus_minus): Do not abort, but simply fail if the expression is too complex to simplify. (simplify_gen_binary): Handle simplify_plus_minus failures. From-SVN: r50380
2002-02-19i386.md ("mmx_uavgv8qi3"): Use const_vector.Aldy Hernandez1-0/+3
2002-02-19 Aldy Hernandez <aldyh@redhat.com> * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector. ("mmx_uavgv4hi3"): Same. ("pmulhrwv4hi3"): Same. * tree-inline.c (walk_tree): Handle vectors. * c-common.c (constant_expression_warning): Handle vectors. (overflow_warning): Same. * sched-deps.c (sched_analyze_2): Handle vectors. * rtlanal.c (rtx_unstable_p): Handle vectors. (rtx_varies_p): Same. (count_occurrences): Same. (regs_set_between_p): Same. (modified_between_p): Same. (modified_in_p): Same. (volatile_insn_p): Same. (volatile_refs_p): Same. (side_effects_p): Same. (may_trap_p): Same. (inequality_comparisons_p): Same. (replace_regs): Same. (computed_jump_p_1): Same. * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th argument. (inner_mode_array): New. (copy_rtx): Handle vectors. (copy_most_rtx): Same. (rtx_equal_p): Same. (get_mode_alignment): Adjust for vectors. * resource.c (mark_referenced_resources): Handle vectors. (mark_set_resources): Same. * reload1.c (eliminate_regs): Handle vectors. (elimination_effects): Same. (scan_paradoxical_subregs): Same. * reload.c (subst_reg_equivs): Handle vectors. * regrename.c (scan_rtx): Handle vectors. * regclass.c (reg_scan_mark_refs): Handle vectors. * recog.c (find_single_use_1): Handle vectors. * local-alloc.c (equiv_init_varies_p): Handle vectors. (contains_replace_regs): Same. (memref_referenced_p): Same. * integrate.c (copy_rtx_and_substitute): Handle vectors. (subst_constants): Same. * genattrtab.c (attr_copy_rtx): Handle vectors. (encode_units_mask): Same. (clear_struct_flag): Same. (count_sub_rtxs): Same. * gcse.c (want_to_gcse_p): Handle vectors. (oprs_unchanged_p): Same. (hash_expr_1): Same. (oprs_not_set_p): Same. (expr_killed_p): Same. (compute_transp): Same. (store_ops_ok): Same. * function.c (purge_addressof_1): Do not allow paradoxical subregs of vectors. (fixup_var_refs_1): Same. (instantiate_virtual_regs_1): Same. * fold-const.c (operand_equal_p): Handle vectors. (fold): Same. (rtl_expr_nonnegative_p): Same. * flow.c (mark_used_regs): Handle vectors. * df.c (df_uses_record): Handle vectors. * cselib.c (cselib_subst_to_values): Handle vectors. (cselib_mem_conflict_p): Same. (hash_rtx): Same. * cse.c (canon_reg): Handle vectors. (fold_rt): Same. (cse_process_notes): Same. (count_reg_usage): Same. (canon_hash): Same. * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR. * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR. * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors. (gen_rtx): Handle CONST_VECTOR. (gen_const_vector_0): New. (copy_rtx_if_shared): CONST_VECTORs can be shared. (reset_used_flags): Same. (copy_insn_1): Same. (initializer_constant_valid_p): Handle VECTOR_CST. * doc/c-tree.texi (Expression trees): Document VECTOR_CST. * doc/rtl.texi (Constants): Document const_vector. (CONST0_RTX): Update for vectors. (RTL sharing): Same. * print-tree.c (print_node): Add case for VECTOR_CST. * tree.h (TREE_VECTOR_CST_ELTS): New. (struct tree_vector): New. (union tree_node): Add vector node. (build_vector): Add prototype. * tree.def (VECTOR_CST): New. * tree.c (build_vector): New. * expmed.c (make_tree): Handle CONST_VECTOR. * rtl.h (CONSTANT_P): CONST_VECTORs are constants too. (CONST_VECTOR_ELT): New. (CONST_VECTOR_NUNITS): New. * machmode.h (GET_MODE_INNER): New. (DEF_MACHMODE): Accept 8th arg. * machmode.def: Add 8th argument for vector inner mode. Add inner vector modes for vectors. * rtl.def (VEC_CONST): Remove. (CONST_VECTOR): New. * expr.c (clear_storage): Allow vectors. (is_zeros_p): Handle VECTOR_CST. * varasm.c (output_constant_pool): Handle vectors. (rtx_const): Add veclo and vechi fields. (kind): Add RTX_VECTOR. (decode_rtx_const): Add case for vector. * config/rs6000/rs6000-protos.h: Add zero_constant. * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector constants. Force easy vector constants into memory. (easy_vector_constant): New. (emit_easy_vector_constant): New. (rs6000_legitimize_reload_address): Do not generate bad reloads on darwin. * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what instruction does. ("altivec_lvxl"): Same. (altivec_lvebx): Same. (altivec_lvehx): Same. (altivec_lvewx): Same. ("*movv4si_const0"): New. ("*movv4sf_const0"): New. ("*movv8hi_const0"): New. ("*movv16qi_const0"): New. From-SVN: r49853
2002-01-25reload1.c (eliminate_regs_in_insn): Recognize frame pointer adjustments even ↵Ulrich Weigand1-29/+23
if... * reload1.c (eliminate_regs_in_insn): Recognize frame pointer adjustments even if they are implemented by more than two insns. From-SVN: r49221
2002-01-15read-rtl.c: Fix formatting.Kazu Hirata1-8/+8
* read-rtl.c: Fix formatting. * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * rtlanal.c: Likewise. From-SVN: r48870
2002-01-14reload1.c (reload_combine): Pass reg_sum replacement through copy_rtx in ↵Hans-Peter Nilsson1-1/+3
loop performing multiple changes. * reload1.c (reload_combine): Pass reg_sum replacement through copy_rtx in loop performing multiple changes. From-SVN: r48851
2002-01-11re PR other/5299 (then -> than fixes)Craig Rodrigues1-1/+1
2002-01-11 Craig Rodrigues <rodrigc@gcc.gnu.org> PR other/5299 * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments. * combine.c (force_to_mode): Same. * reload1.c (clear_reload_reg_in_use): Same. From-SVN: r48780
2002-01-10cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.Richard Henderson1-24/+28
* cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet. * reload1.c (delete_output_reload): Zap spill_reg_store. Take care not to delete instructions twice. From-SVN: r48760
2002-01-10read-rtl.c: Fix formatting.Kazu Hirata1-2/+2
* read-rtl.c: Fix formatting. * real.c: Likewise. * regclass.c: Likewise. * regrename.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * rtl.c: Likewise. From-SVN: r48704
2001-12-29expr.c (store_field): Use adjust_address, not PUT_MODE.Richard Kenner1-8/+1
* expr.c (store_field): Use adjust_address, not PUT_MODE. (expand_expr, case VIEW_CONVERT_EXPR): Likewise. * reload1.c (eliminate_regs, case SUBREG): Likewise, but use adjust_address_nv. * varasm.c (make_decl_rtl): Likewise. * integrate.c (copy_rtx_and_substitute, case MEM): Likewise, but use replace_equiv_address_nv. From-SVN: r48387
2001-12-23arc.c (arc_hard_regno_mode_ok): Const-ify.Kaveh R. Ghazi1-4/+4
* arc.c (arc_hard_regno_mode_ok): Const-ify. * arc.h (arc_hard_regno_mode_ok): Likewise. * i386.c (x86_64_reg_class_name): Make static. * m68k.c (regno_reg_class): Const-ify. * m68k.h (regno_reg_class): Likewise. * mcore.c (reg_class_from_letter): Likewise. * mcore.h (reg_class_from_letter): Likewise. * sh.c (reg_class_from_letter, ashiftrt_insns, shift_insns, ext_shift_insns, ext_shift_amounts): Likewise. * sh.h (reg_class_from_letter): Likewise. * sparc.c (hard_regno_mode_classes, hard_32bit_mode_classes, hard_64bit_mode_classes): Likewise. * sparc.h (hard_regno_mode_classes): Likewise. * gcc.c (modify_target): Make static. * gengenrtl.c (defs, formats): Likewise. * reload1.c (elim_table_1, init_elim_table): Const-ify. * tradcpp.c (directive, directive_table, handle_directive, skip_if_group, run_directive): Likewise. cp: * decl2.c (lang_f_options): Const-ify. f: * com.c (ffecom_gfrt_volatile_, ffecom_gfrt_complex_, ffecom_gfrt_const_, ffecom_gfrt_type_): Const-ify. java: * Make-lang.in (keyword.h): Pass -C to gperf to const-ify the static arrays that are output. * jvspec.c (jvgenmain_spec): Make static. * keyword.gperf (struct java_keyword, java_keyword): Const-ify. * keyword.h: Regenerate. * lang.c (string_option, process_option_with_no, lang_f_options, lang_W_options): Const-ify. * lex.c (java_lex): Likewise. From-SVN: r48290
2001-12-17Implement MODE_BASE_REG_CLASSNick Clifton1-1/+2
From-SVN: r48104
2001-12-02rtl.h (mem_attrs): Rename decl to expr; adjust all users.Richard Henderson1-1/+1
* rtl.h (mem_attrs): Rename decl to expr; adjust all users. (MEM_EXPR): Rename from MEM_DECL; adjust all users. * emit-rtl.c (set_mem_expr): Rename from set_mem_decl. * expr.h, final.c, reload1.c: Adjust users. * alias.c (nonoverlapping_component_refs_p): New. (decl_for_component_ref, adjust_offset_for_component_ref): New. (nonoverlapping_memrefs_p): Use them. * emit-rtl.c (component_ref_for_mem_expr): New. (set_mem_attributes): Use it. (set_mem_offset): New. * expr.c (expand_assignment): Call set_mem_attributes for inner references; adjust the memory offset as needed. * print-rtl.c (print_mem_expr): New. (print_rtx): Use it. From-SVN: r47534
2001-12-02c-decl.c (duplicate_decls, [...]): Remove leading capital from diagnostics.Neil Booth1-4/+4
* c-decl.c (duplicate_decls, push_parm_decl): Remove leading capital from diagnostics. * c-lex.c (cb_file_change): Similarly. * c-parse.in : Similarly. * cfgrtl.c (verify_flow_info): Similarly. * collect2.c: Similarly. * cppfiles.c (find_include_file): Similarly. * cppinit.c (cpp_handle_option): Similarly. * cpplex.c (cpp_spell_token): Similarly. * cppmain.c (do_preprocessing): Similarly. * gcc.c (translate_options, process_command, do_spec1, main, pfatal_execute): Similarly. * genattr.c (main): Similarly. * genattrtab.c (check_attr_test, operate_exp, simplify_test_exp, write_test_expr, main): Similarly. * gencodes.c (main): Similarly. * genconfig.c (main): Similarly. * genconstants.c (main): Similarly. * genemit.c (main): Similarly. * genextract.c (main): Similarly. * genflags.c (main): Similarly. * genopinit.c (main): Similarly. * genoutput.c (process_template, main): Similarly. * genpeep.c (main): Similarly. * genrecog.c (main): Similarly. * gensupport.c (is_predicable, identify_predicable_attribute, alter_predicate_for_insn, init_md_reader_args, main): Similarly. * ggc-page.c (alloc_anon): Similarly. * mips-tfile.c (add_string, add_procedure, add_file, read_line, parse_begin, parse_bend, parse_def, parse_end, parse_file, parse_stabs_common, parse_stabs, write_varray, write_object, read_seek, copy_object, main, error): Similarly. * profile.c (compute_branch_probabilities): Similarly. * reg-stack.c (check_asm_stack_operands): Similarly. * reload.c (find_reloads): Similarly. * reload1.c (spill_failure, failed_reload): Similarly. * rtl-error.c (_fatal_insn_not_found): Similarly. * toplev.c (read_integral_parameter, crash_signal, decode_f_option, set_target_switch, parse_options_and_default_flags) : Similarly. * tradcif.y (parse_number, yylex): Similarly. * tradcpp.c (main, fancy_abort): Similarly. * tree.c (tree_check_failed): Similarly. * varray.c (varray_check_failed): Similarly. * xcoffout.c (xcoff_output_standard_types): Similarly. cp: * call.c (build_java_interface_fn_ref): Similarly. * except.c (is_admissible_throw_operand): Similarly. * init.c (build_java_class_ref): Similarly. * xref.c (open_xref_file): Similarly. objc: * objc-act.c (get_object_ref, lookup_and_install_protocols, build_objc_string_object, objc_declare_alias, build_ivar_chain, finish_message_expr, build_protocol_expr, is_public, start_class): Similarly. testsuite: * objc.dg/alias.m: Update. * objc.dg/class-1.m: Update. * objc.dg/const-str-1.m: Update. * objc.dg/fwd-proto-1.m: Update. * objc.dg/id-1.m: Update. * objc.dg/super-class-1.m: Update. From-SVN: r47518
2001-12-01c-decl.c (duplicate_decls, [...]): Remove trailing period from diagnostics.Neil Booth1-2/+2
* c-decl.c (duplicate_decls, parmlist_tags_warning): Remove trailing period from diagnostics. * c-lex.c (cb_file_change): Similarly. * cppmacro.c (check_trad_stringification): Similarly. * gcc.c (do_spec_1): Similarly. * genattr.c (main): Similarly. * genattrtab.c (main, operate_exp, make_length_attrs): Similarly. * gencodes.c (main): Similarly. * genconfig.c (main): Similarly. * genconstants.c (main): Similarly. * genemit.c (main): Similarly. * genextract.c (main): Similarly. * genopinit.c (main): Similarly. * genoutput.c (main): Similarly. * genpeep.c (main): Similarly. * genrecog.c (main): Similarly. * mips-tfile.c (add_file, error): Similarly. * profile.c (init_branch_prob): Similarly. * reload1.c (spill_failure): Similarly. * stmt.c (parse_output_constraint): Similarly. * varasm.c (assemble_variable): Similarly. cp: * class.c (finish_struct): Similarly. * decl.c (check_tag_decl): Similarly. * lex.c (cxx_set_yydebug): Similarly. * typeck2.c (friendly_abort): Similarly. java: * expr.c (expand_byte_code): Similarly. * jcf-parse.c (load_class, jcf_parse): Similarly. * jcf-write.c (generate_classfile): Similarly. * lex.c (java_lex): Similarly. From-SVN: r47517
2001-11-20reload1.c (elimination_effects): Use function_invariant_p instead of ↵Brad Kaiser1-1/+1
CONSTANT_P when... * reload1.c (elimination_effects): Use function_invariant_p instead of CONSTANT_P when considering register equivalences. From-SVN: r47226
2001-11-11ChangeLog.2, [...]: Fix spelling errors.Joseph Myers1-1/+1
* ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog, cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, collect2.c, combine.c, config.in, configure, configure.in, conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c, genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c, reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix spelling errors. From-SVN: r46928
2001-11-08* reload1.c (reload): Don't delete equiv insn if can throw.Richard Kenner1-3/+10
From-SVN: r46866
2001-11-03emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a constant ↵Richard Kenner1-2/+11
expression. * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a constant expression. (set_mem_decl): New function. * expr.h (set_mem_decl): New declaration. * final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo. (output_asm_operand_names): Add tab. * reload1.c (alter_reg): Set decl of MEM from REG_DECL. From-SVN: r46733
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