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100 Commits

Author SHA1 Message Date
Rodney Brown
2c3c49dec3 alias.c (mark_constant_function): Use INSN_P. 
* alias.c (mark_constant_function): Use INSN_P.
	(init_alias_analysis): Likewise.
	* combine.c (combine_instructions): Use INSN_P.
	(can_combine_p): Likewise.
	(try_combine): Likewise.
	(distribute_notes): Likewise.
	(distribute_links): Likewise.
	* cse.c (cse_around_loop): Use INSN_P.
	(invalidate_skipped_block): Likewise.
	(cse_set_around_loop): Likewise.
	(cse_end_of_basic_block): Likewise.
	(delete_trivially_dead_insns): Likewise.
	* emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
	(unshare_all_rtl_1): Likewise.
	(next_cc0_user): Likewise.
	(try_split make_insn_raw): Likewise.
	(remove_unnecessary_notes): Likewise.
	* final.c (shorten_branches): Use INSN_P.
	(leaf_renumber_regs): Likewise.
	(leaf_renumber_regs_insn): Likewise.
	* flow.c (find_label_refs): Use INSN_P.
	(verify_wide_reg): Likewise.
	(notice_stack_pointer_modification): Likewise.
	(count_or_remove_death_notes): Likewise.
	(verify_flow_info): Likewise.
	(clear_log_links): Likewise.
	* function.c (fixup_var_refs_insns): Use INSN_P.
	(compute_insns_for_mem): Likewise.
	* gcse.c (alloc_gcse_mem): Use INSN_P.
	(compute_sets): Likewise.
	(compute_hash_table): Likewise.
	(classic_gcse): Likewise.
	(cprop): Likewise.
	(insert_insn_end_bb): Likewise.
	(delete_null_pointer_checks_1): Likewise.
	* global.c (expand_preferences): Use INSN_P.
	(build_insn_chain): Likewise.
	* graph.c (node_data): Use INSN_P.
	* haifa-sched.c (priority): Use INSN_P.
	(rm_line_notes): Likewise.
	(rm_other_notes): Likewise.
	(find_insn_reg_weight): Likewise.
	(init_target_units): Likewise.
	(schedule_block): Likewise.
	(compute_block_forward_dependences): Likewise.
	(debug_dependencies): Likewise.
	(set_priorities): Likewise.
	* integrate.c (function_cannot_inline_p): Use INSN_P.
	(save_parm_insns): Likewise.
	(copy_insn_list): Likewise.
	* jump.c (mark_all_labels): Use INSN_P.
	(never_reached_warning): Likewise.
	* lcm.c (optimize_mode_switching): Use INSN_P.
	* local-alloc.c (validate_equiv_mem): Use INSN_P.
	(memref_used_between_p): Likewise.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	(no_conflict_p): Likewise.
	* loop.c (scan_loop): Use INSN_P.
	(find_and_verify_loops): Likewise.
	(count_loop_regs_set): Likewise.
	(loop_reg_used_before_p): Likewise.
	(strength_reduce): Likewise.
	(recombine_givs): Likewise.
	(check_dbra_loop): Likewise.
	(load_mems): Likewise.
	(try_copy_prop): Likewise.
	* print-rtl.c (print_rtx): Use INSN_P.
	* recog.c (find_single_use): Use INSN_P.
	* reg-stack.c (stack_regs_mentioned): Use INSN_P.
	(next_flags_user): Likewise.
	(swap_rtx_condition): Likewise.
	* regmove.c (mark_flags_life_zones): Use INSN_P.
	(optimize_reg_copy_1): Likewise.
	(optimize_reg_copy_2): Likewise.
	(optimize_reg_copy_3): Likewise.
	(reg_is_remote_constant_p): Likewise.
	(fixup_match_2): Likewise.
	(regmove_optimize): Likewise.
	(fixup_match_1): Likewise.
	* regrename.c (build_def_use): Use INSN_P.
	(replace_reg_in_block): Likewise.
	(consider_use): Likewise.
	* reload.c (find_equiv_reg): Use INSN_P.
	* reload1.c (reload): Use INSN_P.
	(maybe_fix_stack_asms): Likewise.
	(calculate_needs_all_insns): Likewise.
	(reload_as_needed): Likewise.
	(emit_output_reload_insns): Likewise.
	(delete_address_reloads_1): Likewise.
	(reload_cse_regs_1): Likewise.
	(reload_combine): Likewise.
	(reload_cse_move2add): Likewise.
	* reorg.c (redundant_insn): Use INSN_P.
	(dbr_schedule): Likewise.
	* resource.c (find_dead_or_set_registers): Use INSN_P.
	(mark_target_live_regs): Likewise.
	* rtlanal.c (reg_used_between_p): Use INSN_P.
	(reg_referenced_between_p): Likewise.
	(reg_set_between_p): Likewise.
	(reg_set_p): Likewise.
	(single_set): Likewise.
	(multiple_sets): Likewise.
	(find_last_value): Likewise.
	(reg_set_last): Likewise.
	(find_reg_note): Likewise.
	(find_regno_note): Likewise.
	* sibcall.c (sequence_uses_addressof): Use INSN_P.
	* simplify-rtx.c (cselib_process_insn): Use INSN_P.
	* ssa.c (find_evaluations): Use INSN_P.
	(rename_block): Likewise.
	(rename_equivalent_regs): Likewise.
	* unroll.c (loop_find_equiv_value): Use INSN_P.
	(set_dominates_use): Likewise.
	* varasm.c (mark_constant_pool): Use INSN_P.
	(mark_constants): Likewise.
	* config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
	(alphaev4_next_group): Likewise.
	(alphaev5_next_group): Likewise.
	* config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
	(c4x_rptb_rpts_p): Likewise.
	* config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
	* config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
	(rs6000_adjust_priority): Likewise.
	* config/sh/sh.c (sh_loop_align): Use INSN_P.
	(machine_dependent_reorg): Likewise.
	(split_branches): Likewise.
	* config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.

From-SVN: r35494
 2000-08-04 14:28:08 -06:00
Jan Hubicka
0b9aaeee6f reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap operands. 
* reg-stack.c (subst_stack_regs_pat):  Use replace_reg to swap
	operands.

	* i386.c (ix86_expand_branch): Mode of comparison in
	IF_THEN_ELSE is VOIDmode.

From-SVN: r35458
 2000-08-03 18:36:14 +00:00
Mark Mitchell
589ca5cb10 Put phi nodes after NOTE_INSN_BASIC_BLOCK. 
* rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
	* bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
	(get_prev_bb_note): Likewise.
	(remove_scope_notes): Likewise.
	* flow.c (commit_one_edge_insertion): Likewise.
	(merge_blocks_nomove): Likewise.
	(verify_flow_info): Likewise.
	* gcse.c (insert_insn_end_bb): Likewise.
	* reg-stack.c (emit_swap_insn): Likewise.
	* ssa.c (first_insn_after_basic_block_note): New function.
	(insert_phi_node): Use it.
	(rename_block): Likewise.
	(eliminate_phi): Likewise.
	(make_regs_equivalent_over_bad_edges): Likewise.
	(make_equivalent_phi_alternatives_equivalent): Likewise.
	(for_each_successor_phi): Likewise.
	(convert_from_ssa): Modify phi-node deletion algorithm.

From-SVN: r35296
 2000-07-27 17:25:14 +00:00
Richard Henderson
7f8a79ba7e basic-block.h (life_analysis): Declare here ... 
* basic-block.h (life_analysis): Declare here ...
        * output.h: ... not here.
        * flow.c (life_analysis): Remove nregs parameter; replace
        remove_dead_code with flags.  Remove ssa dead code check.
        Only init alias analysis if we'll use it.
        * reg-stack.c (reg_to_stack): Update life_analysis arguments.
        * ssa.c (convert_to_ssa): Likewise.
        (convert_from_ssa): Likewise.
        * toplev.c (rest_of_compilation): Likewise.

From-SVN: r33459
 2000-04-26 21:42:09 -07:00
Richard Henderson
e2ee991277 calls.c (expand_call): Disable tail call generation once rtx_equal_function_value_matters is false. 
* calls.c (expand_call): Disable tail call generation once
        rtx_equal_function_value_matters is false.

        * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
        like EDGE_EH edges.

From-SVN: r33431
 2000-04-25 17:43:09 -07:00
Jeff Law
af841dbdcc Fix copyrights. 
From-SVN: r32179
 2000-02-26 07:26:24 -07:00
Zack Weinberg
3a6cc97884 reg-stack.c (emit_swap_insn): Do not put a new insn before a NOTE_BASIC_BLOCK. 
* reg-stack.c (emit_swap_insn): Do not put a new insn before a
	NOTE_BASIC_BLOCK.

From-SVN: r32027
 2000-02-17 04:34:02 +00:00
Kaveh R. Ghazi
c69916605c Makefile.in (c-common.o): Depend on $(EXPR_H). 
* Makefile.in (c-common.o): Depend on $(EXPR_H).

	* c-common.c: Include expr.h.

	* c-pragma.c (mark_align_stack): Add prototype.

	* caller-save.c (add_stored_regs): Likewise.

	* combine.c (record_promoted_value): Likewise.

	* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
	Likewise.

	* cppinit.c (new_pending_define): Likewise.

	* cpplib.c (skip_block_comment, skip_line_comment): Likewise.

	* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
	AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
	AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
	class_scope_p): Likewise.

	* dwarf2out.h (dwarf2out_set_demangle_name_func,
	dwarf2out_add_library_unit_info): Likewise.

	* ggc.h (ggc_page_print_statistics): Likewise.

	* haifa-sched.c (propagate_deps): Likewise.

	* reg-stack.c (next_flags_user, record_label_references): Likewise.

	* rtl.h (set_stack_check_libfunc): Likewise.

	* toplev.h (set_fatal_function): Likewise.

	* toplev.c (set_fatal_function): Delete prototype.

	* diagnostic.c: Deconstify functions returning malloc'ed ptrs.

From-SVN: r31810
 2000-02-06 03:40:46 +00:00
Richard Henderson
19d3c25c9a flow.c (find_basic_blocks): Remove do_cleanup argument. 
* flow.c (find_basic_blocks): Remove do_cleanup argument.
        Break out that code ...
        (cleanup_cfg): ... here.
        (commit_one_edge_insertion): Detect a return instruction being
        emitted to an edge.  Emit a barrier following; clear fallthru.
        (commit_edge_insertions): Verify CFG consistency.
        * function.c (expand_function_start): Kill unused variable.
        (expand_function_end): Likewise.
        (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
        to insert the epilogue.

        * gcse.c (gcse_main): Adjust for find_basic_blocks change.
        (delete_null_pointer_checks): Likewise.
        * output.h: Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        * toplev.c (rest_of_compilation): Likewise.  Run
        thread_prologue_and_epilogue_insns after rebuilding the CFG.

From-SVN: r31676
 2000-01-28 14:22:50 -08:00
Jan Hubicka
eedf2f550c reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of dead registers. 
* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
	dead registers.

From-SVN: r31588
 2000-01-24 18:58:32 +00:00
Kaveh R. Ghazi
957e47632b print-rtl.c: PROTO -> PARAMS. 
* print-rtl.c: PROTO -> PARAMS.
        * real.c: Likewise.
        * reg-stack.c: Likewise.
        * resource.c: Likewise.
        * sdbout.h: Likewise.
        * simplify-rtx.c: Likewise.
        * stor-layout.c: Likewise.
        * stupid.c: Likewise.
        * xcoffout.c: Likewise.
        * xcoffout.h: Likewise.

From-SVN: r31463
 2000-01-17 16:01:04 +00:00
Jan Hubicka
3040ffd651 reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of dead registers. 
* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
	dead registers.

	* i386.c (movsf splitter): Fix typo in my last checkin.

From-SVN: r31256
 2000-01-06 13:03:58 +00:00
Kaveh R. Ghazi
a544cfd201 builtins.c (expand_builtin_strlen): Initialize variable `icode'. 
* builtins.c (expand_builtin_strlen): Initialize variable `icode'.

	* calls.c (expand_call): Likewise for
	`old_stack_arg_under_construction'.

	* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.

	* function.c (pad_to_arg_alignment): Likewise for `save_var' and
	`save_constant'.

	* gcc.c (execute): Likewise for `ut' and `st'.

	* genattrtab.c (attr_rtx): Likewise for `rt_val'.

	* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.

	* jump.c (jump_optimize_1): Likewise for `temp2'.

	* local-alloc.c (block_alloc): Likewise for `r1'.

	* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.

	* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
	(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.

	* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
	and `set2'.

	* reload.c (find_reloads): Likewise for `goal_alternative_number'
	and `goal_earlyclobber'.

	* scan-decls.c (scan_decls): Likewise for `prev_id_end'.

	* sdbout.c (sdbout_one_type): Likewise for `member_scl'.

	* stupid.c (stupid_life_analysis): Likewise for `chain'.

	* unroll.c (copy_loop_body): Likewise for `copy'.

	* varasm.c (output_constructor): Likewise for `byte'.

ch:
	* actions.c (update_else_range_for_int_const): Initialize
	variables `lowval' and `highval'.
	(update_else_range_for_range): Likewise for `low_range_val' and
	`high_range_val'.

cp:
	* class.c (warn_hidden): Initialize variable `fndecl'.

From-SVN: r31207
 2000-01-04 16:29:41 +00:00
Jan Hubicka
caa6ec8dc5 reg-stack.c (subst_stack_regs_pat): Swap operands in commutative operations when needed. 
* reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
	operations when needed.
	* i386.md (fop_?f_comm): New.
	(fop_?f_1): Do not accept commutative operands.

From-SVN: r30664
 1999-11-25 12:53:44 +00:00
Mark Mitchell
ff154f783f local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca. 
* local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_2): Likewise.
	* reload1.c (reload_as_needed): Likewise.

From-SVN: r30434
 1999-11-06 19:09:26 +00:00
Richard Henderson
a6028d444a reg-stack.c (convert_regs_1): Initialize target_stack->top after verifying an EH edge. 
* reg-stack.c (convert_regs_1): Initialize target_stack->top
        after verifying an EH edge.

From-SVN: r30402
 1999-11-04 16:37:48 -08:00
Richard Henderson
bd695e1e9d function.c (diddle_return_value): New. 
* function.c (diddle_return_value): New.
        (expand_function_end): Use it.
        * stmt.c (expand_null_return): Likewise.
        (expand_value_return): Likewise.

        * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.

        * reload1.c (reload): Don't remove return value clobbers.

From-SVN: r30401
 1999-11-04 16:35:10 -08:00
Richard Henderson
f6d204868a * reg-stack.c (convert_regs_1): Handle EH edges specially. 
From-SVN: r30336
 1999-11-01 18:09:55 -08:00
Richard Henderson
dcc6c74164 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change. 
From-SVN: r30271
 1999-10-29 23:41:19 -07:00
Richard Henderson
e218fc41a8 jump.c (jump_optimize_1): If we did cross-jumping, and the data will matter, rebuild the CFG. 
* jump.c (jump_optimize_1): If we did cross-jumping, and
        the data will matter, rebuild the CFG.
        * reg-stack.c (reg_to_stack): Only (re)build the CFG if
        not optimizing.  Don't run shorten_branches.
        * toplev.c (rest_of_compilation): Run shorten_branches after
        reg_to_stack.

From-SVN: r30223
 1999-10-27 15:22:34 -07:00
Jan Hubicka
a05924f91b Reorg reg-stack to use the standard CFG. 
Co-Authored-By: Richard Henderson <rth@cygnus.com>

From-SVN: r30201
 1999-10-26 18:25:13 -07:00
Jeffrey A Law
f099b1c909 reg-stack.c (stack_result): Aggregates are not returned in stack registers. 
* reg-stack.c (stack_result): Aggregates are not returned in
        stack registers.

From-SVN: r30081
 1999-10-19 02:12:30 -06:00
Bernd Schmidt
d25cf6335e c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined, call it. 
* c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
	call it.
	* reg-stack.c (straighten_stack): Copy hard reg set with
	COPY_HARD_REG_SET.

From-SVN: r29694
 1999-09-28 13:43:34 +00:00
Bernd Schmidt
6baf1cc8f8 Make it possible to prototype port-specific functions (and convert i386 to use this) 
From-SVN: r29514
 1999-09-20 10:00:03 +00:00
Richard Henderson
1ccbefcef2 Replace recog_foo with recog_data.foo. 
From-SVN: r29349
 1999-09-11 18:51:28 -07:00
Jeff Law
c5c7673583 Merge in gcc2-ss-010999 
From-SVN: r29150
 1999-09-06 23:49:18 -06:00
Richard Henderson
e075ae69f9 Merge new ia32 backend from the branch! 
From-SVN: r29044
 1999-09-01 21:20:21 -07:00
Kaveh R. Ghazi
6f7d635c0e rtl.h (rtx_format): Constify a char*. 
* rtl.h (rtx_format): Constify a char*.

	* rtl.c (rtx_format): Likewise.
	(copy_rtx, copy_most_rtx, read_rtx): Likewise.
	(init_rtl): Use accessor macro, not `rtx_format'.

	* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
	char*.

	* caller-save.c (mark_referenced_regs): Likewise.

	* combine.c (subst, make_compound_operation, known_cond,
	gen_rtx_combine, update_table_tick, get_last_value_validate,
	use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.

	* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
	refers_to_p, canon_reg, fold_rtx, cse_process_notes,
	count_reg_usage): Likewise.

	* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
	Likewise.

	* final.c (leaf_renumber_regs_insn): Likewise.

	* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
	dump_edge_info, count_reg_references): Likewise.

	* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
	fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
	Likewise.

	* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
	oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
	add_label_notes): Likewise.

	* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
	clear_struct_flag, count_sub_rtxs, count_alternatives,
	compares_alternatives_p, contained_in_p, walk_attr_value,
	write_expr_attr_cache): Likewise.

	* genconfig.c (walk_insn_part): Likewise.

	* genemit.c (max_operand_1, gen_exp): Likewise.

	* genextract.c (walk_rtx): Likewise.

	* genflags.c (num_operands): Likewise.

	* genoutput.c (scan_operands): Likewise.

	* genpeep.c (match_rtx): Likewise.

	* genrecog.c (add_to_sequence): Likewise.

	* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
	Likewise.

	* integrate.c (save_constants, copy_for_inline,
	copy_rtx_and_substitute, subst_constants, restore_constants):
	Likewise.

	* jump.c  (mark_jump_label, invert_exp, redirect_exp,
	rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.

	* local-alloc.c (contains_replace_regs, memref_referenced_p):
	Likewise.

	* loop.c (record_excess_regs, rtx_equal_for_loop_p,
	add_label_notes, replace_call_address, count_nonfixed_reads,
	invariant_p, find_single_use_in_loop, find_mem_givs,
	find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
	Likewise.

	* print-rtl.c (reg_names, print_rtx): Likewise.

	* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.

	* reg-stack.c (stack_regs_mentioned_p, record_label_references,
	record_reg_life_pat, swap_rtx_condition, goto_block_pat,
	print_blocks): Likewise.

	* regclass.c (fix_register, record_address_regs,
	reg_scan_mark_refs): Likewise.

	* regmove.c (stable_but_for_p): Likewise.

	* reload.c (loc_mentioned_in_p, operands_match_p,
	find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
	copy_replacements, refers_to_regno_for_reload_p,
	refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
	reload_when_needed_name, reg_class_names, debug_reload_to_stream):
	Likewise.

	* reload1.c (eliminate_regs, scan_paradoxical_subregs,
	delete_address_reloads_1, count_occurrences,
	reload_cse_mem_conflict_p, reload_combine_note_use,
	add_auto_inc_notes): Likewise.

	* resource.c (mark_referenced_resources, mark_set_resources):
	Likewise.

	* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
	reg_mentioned_p, regs_set_between_p, modified_between_p,
	modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
	rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
	may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
	jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.

	* sched.c (sched_analyze_2, attach_deaths): Likewise.

	* stupid.c (stupid_mark_refs): Likewise.

	* unroll.c (remap_split_bivs): Likewise.

	* varasm.c (mark_constants): Likewise.

	* a29k/a29k.c (uses_local_reg_p): Likewise.

	* alpha/alpha.c (summarize_insn): Likewise.

	* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
	eliminate_lr2ip): Likewise.

	* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.

	* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
	reg_mentioned_in_mem): Likewise.

	* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
	symbolic_reference_mentioned_p): Likewise.

	* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.

	* sh/sh.c (regs_used, mark_use): Likewise.

	* vax/vax.c (vax_rtx_cost): Likewise.

From-SVN: r28784
 1999-08-20 23:05:25 +00:00
Bernd Schmidt
49ad7cfa7a Include function.h in most files. 
Include function.h in most files.  Remove most of the global variables
duplicated in function.h.  Add accessor macros for them which access
current_function.  Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.

From-SVN: r28626
 1999-08-09 14:00:21 +00:00
Herman A.J. ten Brugge
80832cf27b 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> 
* reg-stack.c (change_stack) Fixed problem with negative array index.

From-SVN: r28570
 1999-08-06 23:57:14 -06:00
Mumit Khan
d3b6b80cde Mumit Khan <khan@xraylith.wisc.edu> 
Mumit Khan  <khan@xraylith.wisc.edu>
        * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.

From-SVN: r27475
 1999-06-10 13:40:39 -07:00
Jan Hubicka
e74389ffa1 reg-stack.c: Do not emit pop insns after cc0 setter. 
* reg-stack.c: Do not emit pop insns after cc0 setter.
        (emit_pop_insn): Do not emit insn in case WHEN is NULL.
        (compare_for_stack_reg): Update REG_DEAD note and
        do not emit push insn.
        * i386.c: (output_float_compare): Handle new REG_DEAD notes.

From-SVN: r26965
 1999-05-16 20:31:35 -06:00
Jan Hubicka
791ca74ce4 * reg-stack.c (check_stack_regs_mentioned): Remove variable SIZE. 
From-SVN: r26386
 1999-04-12 17:25:38 -06:00
Jan Hubicka
21b2cd7321 reg-stack.c: Update comment, include varray.h. 
* reg-stack.c: Update comment, include varray.h.
        (stack_regs_mentioned_data): New global variable.
        (check_stack_regs_mentioned): New function.
        (stack_regs_mentioned): New function.
        (reg_to_stack): Initialize and free stack_regs_mentioned_data,
        use stack_regs_mentioned.
        (record_asm_reg_life): Change insn type cache for changed insn.
        (record_reg_life): Do not change the insn mode.
        (emit_pop_insn): Likewise.
        (emit_swap_insn): Likewise.
        (move_for_stack_reg): Likewise.
        (stack_reg_life_analysis): Use stack_regs_mentioned.
        (emit_swap_insn): Likewise.
        (subst_stack_regs): Likewise.
        (convert_regs): Likewise.
        * jump.c (find_cross_jump): Use stack_regs_mentioned.
        * rtl.h (stack_regs_mentioned): Declare.

From-SVN: r26360
 1999-04-11 19:39:00 -06:00
John Wehle
6a4a5d954b i386.md (floatsisf2, [...]): Remove unused register constraints from the splitters. 
* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
	floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
	movxfcc, movdicc): Remove unused register constraints from
	the splitters.
	* i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
	fixuns_truncxfsi2): Delete.
	* reg-stack.c (delete_insn_for_stacker): Ensure that
	the only side effects of a PARALLEL are clobbers.
	(subst_stack_regs): Handle subst_stack_regs_pat deleting
	a PARALLEL.
	* i386.md (extendsfdf2, extenddfxf2,
	extendsfxf2): Rewrite using a splitter.
	* i386.c (output_op_from_reg): Remove.
	* i386.h: Likewise.

From-SVN: r26338
 1999-04-10 17:18:08 +00:00
Richard Henderson
91e1a7f5aa reg-stack.c (stack_reg_life_analysis): Use returnjump_p instead of an explicit test for RETURN. 
* reg-stack.c (stack_reg_life_analysis): Use returnjump_p
        instead of an explicit test for RETURN.

From-SVN: r25652
 1999-03-09 03:36:25 -08:00
Richard Henderson
e881bb1b1b Flow rewrite to use basic block structures and edge lists. 
From-SVN: r25450
 1999-02-25 15:45:42 -08:00
Jeff Law
20f7cbac8f reg-stack.c (subst_stack_regs_pat): Abort if the destination of a FP conditional move is not on the FP register stack. 
* reg-stack.c (subst_stack_regs_pat): Abort if the destination
        of a FP conditional move is not on the FP register stack.
Forgot to check it in last night/this morning.  One should not hack at 4am.

From-SVN: r24716
 1999-01-17 11:04:07 -07:00
Bernd Schmidt
f62a15e367 final.c (cleanup_subreg_operands): Delete some unused code. 
* final.c (cleanup_subreg_operands): Delete some unused code.
	* recog.h (MAX_RECOG_ALTERNATIVES): New macro.
	(struct insn_alternative): New structure definition.
	(recog_op_alt): Declare variable.
	(preprocess_constraints): Declare function.
	* recog.c (recog_op_alt): New variable.
	(extract_insn): Verify number of alternatives is in range.
	(preprocess_constraints): New function.
	* reg-stack.c: Include recog.h.
	(constrain_asm_operands): Delete.
	(get_asm_operand_lengths): Delete.
	(get_asm_operand_n_inputs): New function.
	(record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
	N_OUTPUTS args.  All callers changed.
	Compute number of inputs and outputs here by calling
	get_asm_operand_n_inputs.
	Instead of constrain_asm_operands, call extract_insn,
	constrain_operands and preprocess_constaints.  Use information
	computed by these functions throughout.
	(record_reg_life): Delete code that is unused due to changes in
	record_asm_reg_life.
	(subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
	N_INPUTS and N_OUTPUTS args.  All callers changed.
	Similar changes as in record_asm_reg_life.
	(subst_stack_regs): Move n_operands declaration into the if statement
	where it's used.
	Delete code that is unused due to changes in subst_asm_stack_regs.
	* stmt.c (expand_asm_operands): Verify number of alternatives is in
	range.
	* Makefile.in (reg-stack.o): Depend on recog.h.

From-SVN: r24090
 1998-12-04 12:55:59 +00:00
Graham Stott
2a92c071f8 flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use. 
Fri Oct  9 16:03:19 1998  Graham  <grahams@rcp.co.uk>
        * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
        * gcc.c (add_preprocessor_option): Correct typo when allocating
        memory, sizeof() argument had one too many `*'.
        (add_assembler_option): Likewise.
        (add_linker_option): Likewise.
        * gcov.c (output_data): Likewise.
        * local-alloc.c (memref_used_between_p): Likewise.
        (update_equiv_regs): Likewise.
        * loop.c (strength_reduce): Likewise.
        * reg-stack.c (record_asm_reg_life): Likewise.
        (subst_asm_stack_reg): Likewise.
        * reorg.c (dbr_schedule): Likewise.

From-SVN: r22964
 1998-10-09 09:08:51 -07:00
Jeffrey A Law
8feb7351f8 reg-stack.c (straighten_stack): Do nothing if the virtual stack is empty or has a single entry. 
* reg-stack.c (straighten_stack): Do nothing if the virtual stack is
        empty or has a single entry.

From-SVN: r22376
 1998-09-09 19:03:02 -06:00
H.J. Lu
49fa02d9d6 reg-stack.c (subst_stack_regs_pat): Make sure the top of stack is the destination for conditional move insn. 
* reg-stack.c (subst_stack_regs_pat): Make sure the top of
        stack is the destination for conditional move insn.

From-SVN: r20324
 1998-06-07 19:53:56 -06:00
Robert Lipe
10f0ad3d49 toplev.h: New file. 
Wed May  6 06:35:38 1998  Robert Lipe  <robertl@dgii.com>
        * toplev.h: New file.   Protypes for functions in toplev.c.
        * tree.h, rtl.h: Deleted protos for functions in toplev.c.
        * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
        c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
        convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
        function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
        reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
        varasm.c: include it.

From-SVN: r19564
 1998-05-06 04:54:01 +00:00
Jim Wilson
561cf7b130 Fix for x86 FP problem. 
* reg-stack.c: Revert last patch (Apr 20).
	(convert_regs): Set insn to PREV_INSN (next) after do while loop.

From-SVN: r19437
 1998-04-27 12:24:06 -07:00
H.J. Lu
f37eb5cb09 reg-stack.c (subst_asm_stack_regs): Change to return the last new insn generated by this function. 
* reg-stack.c (subst_asm_stack_regs): Change to return the last
	new insn generated by this function.
	(subst_stack_regs): Likewise.
	(convert_regs): Record the last newly generated insn and use
	it for change_stack () instead of INSN.

From-SVN: r19328
 1998-04-19 18:01:15 -06:00
Jeff Law
0e05e8ea12 varasm.c (asm_output_bss): Add prototype. 
* varasm.c (asm_output_bss): Add prototype.
        (asm_output_aligned_bss): Likewise.
        * unroll.c (verify_addresses): Add prototype.
        * toplev.c: Add many prototypes.  Too many to mention here.
        * stmt.c (check_seenlabel): Add prototype.
        * rtlanal.c (reg_set_p_1): Add prototype.
        (reg_set_last_1): Likewise.
        * reorg.c (find_dead_or_set_registers): Add prototype.
        * regmove (try_auto_increment): Add prototype.
        * regstack.c (pop_stack): Add prototype.

From-SVN: r19254
 1998-04-16 18:40:39 -06:00
Jim Wilson
7ce55772e8 Patch to fix x86 gcc.dg/980226-1.c failure report by Manfred Hollstein. 
* reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
	no operands.

From-SVN: r19236
 1998-04-16 06:46:40 -07:00
Jeff Law
e5e809f419 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12 
for details.

        * haifa-sched.c: Mirror recent changes from gcc2.

From-SVN: r18984
 1998-04-04 06:32:39 -07:00
Bernd Schmidt
4d1d804584 basic-block.h (basic_block_computed_jump_target): Declare. 
* basic-block.h (basic_block_computed_jump_target): Declare.
	* flags.h: (current_function_has_computed_jump): Declare.
	* flow.c: (basic_block_computed_jump_target): Define.
	(flow_analysis): Allocate it. Set current_function_has_computed_jump
	to 0.
	(find_basic_blocks): Set current_function_has_computed_jump and
	elements of basic_block_computed_jump_target to 1 as appropriate.
	* function.c: (current_function_has_computed_jump): Define.
	* global.c (global_conflicts): Don't allocate pseudos into stack regs
	at the start of a block that is reachable by a computed jump.
	* reg-stack.c (stack_reg_life_analysis): If must restart, do so
	immediately.
	(subst_stack_regs): Undo change from Sep 4 1997.
	(uses_reg_or_mem): Now unused, deleted.
	* stupid.c (stupid_life_analysis): Compute
	current_function_has_computed_jump.
	(stupid_find_reg): Don't allocate stack regs if the function has a
	computed goto.
        * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
        the current function has a computed jump.  Use the global value
        instead.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r18860
 1998-03-27 17:12:41 -07:00
Kaveh R. Ghazi
670ee92097 Major cutover to using system.h: 
* Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
        c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
        caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
        dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
        expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
        integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
        prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
        reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
        rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
        tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
        on system.h.
        * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
        c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
        caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
        dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
        expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
        integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
        prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
        reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
        rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
        stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
        xcoffout.c: Include system.h.  Organize include ordering so
        that stdarg/varargs comes before other system headers.  Remove
        spurious casts of functions assured of a prototype in system.h.

From-SVN: r18726
 1998-03-20 14:58:42 +00:00