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* c-decl.c (grokdeclarator): Don't frob current_function_decl
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-02  Richard Henderson  <rth@redhat.com>
2
3         * c-decl.c (grokdeclarator): Don't frob current_function_decl
4         around variable_size.
5         (set_decl_nonlocal): Remove.
6         (store_parm_decls): Add stmts for pending sizes.
7         * calls.c (calls_function, calls_function_1): Remove.
8         (precompute_arguments): Don't call it.
9         * cfgexpand.c (set_save_expr_context): Remove.
10         (tree_expand_cfg): Don't call it.
11         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
12         (dwarf2out_finish): Likewise.
13         * expr.c (emit_block_move): Adjust addresses to BLKmode.
14         (store_constructor): Don't pre-evaluate SAVE_EXPR.
15         (safe_from_p): Don't queue SAVE_EXPRs.
16         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
17         or build plain VAR_DECLs.
18         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
19         (fold): Likewise.
20         (fold_checksum_tree): Don't special-case SAVE_EXPR.
21         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
22         (put_var_into_stack): Don't handle SAVE_EXPR.
23         (gen_mem_addressof): Likewise.
24         * function.h (struct function): Remove x_save_expr_regs.
25         (save_expr_regs): Remove.
26         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
27         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
28         * stor-layout.c (variable_size): Don't set it.
29         (force_type_save_exprs, force_type_save_exprs_1): Remove.
30         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
31         all callers.  Don't set SAVE_EXPR_CONTEXT.
32         * tree-inline.h (remap_save_expr): Update decl.
33         * tree.c (save_expr): Update build size.
34         (first_rtl_op): Don't handle SAVE_EXPR.
35         (unsave_expr_1, contains_placeholder_p): Likewise.
36         (decl_function_context): Likewise.
37         * tree.def (SAVE_EXPR): Remove args 1 and 2.
38         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
39         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
40
41 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
42
43         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
44         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
45         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
46         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
47         some first-person references and patronizing comments.  Based on
48         printed manual.
49         * doc/invoke.texi: Don't reference fortran@gnu.org.
50         * doc/trouble.texi (Warning when a non-void function value is
51         ignored): Rewrite.  From Russ Allbery and Chris Devers.
52
53 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
54
55         * tree-ssa-pre.c (bitmap_set_t): New.
56         (bb_value_sets): avail_out is now a bitmap_set_t.
57         (bitmap_find_leader): New function.
58         (bitmap_value_insert_into_set): Ditto.
59         (bitmap_set_copy): Ditto.
60         (bitmap_value_replace_in_set): Ditto.
61         (bitmap_set_contains_value): Ditto.
62         (bitmap_set_new): Ditto.
63         (bitmap_set_pool): New pool.
64         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
65         (insert_aux): Ditto.
66         (add_to_sets): Ditto.
67         (compute_avail): Ditto
68         (eliminate): Ditto.
69         (init_pre): Ditto.
70         (fini_pre): Ditto.
71         (execute_pre): Ditto.
72
73 2004-07-02  Roger Sayle  <roger@eyesopen.com>
74
75         * config/rs6000/rs6000.c (struct processor_costs): New structure
76         used to hold instruction latencies/sizes for processor types.
77         (rs6000_cost): New global variable pointing to current CPU's costs.
78         (rs6000_override_options): Initialize rs6000_cost to point to the
79         appropriate cost table based upon rs6000_cpu and optimize_size.
80         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
81         timings inline.
82
83 2004-07-02  Richard Henderson  <rth@redhat.com>
84
85         * expmed.c (make_tree): Don't use SET_DECL_RTL.
86
87 2004-07-02  Steven Bosscher  <stevenb@suse.de>
88
89         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
90
91 2004-07-01  Richard Henderson  <rth@redhat.com>
92
93         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
94         (alpha_gp_save_rtx): Use assign_stack_local instead of
95         gen_mem_addressof.
96
97 2004-07-01  Richard Henderson  <rth@redhat.com>
98
99         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
100         (alpha_rtx_cost_data): Update to match.
101         (alpha_rtx_cost_size): New.
102         (alpha_rtx_costs): Honor optimize_size.
103
104 2004-07-01  Richard Henderson  <rth@redhat.com>
105
106         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
107         * cfgexpand.c (tree_expand_cfg): Do it here.
108         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
109         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
110         * config/mips/mips.c (mips_output_mi_thunk): And here.
111         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
112         * config/sh/sh.c (sh_output_mi_thunk): And here.
113         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
114
115 2004-07-01  Richard Henderson  <rth@redhat.com>
116
117         * tree.def (RTL_EXPR): Remove.
118         * c-typeck.c (lvalue_p): Don't handle it.
119         * expr.c (safe_from_p): Likewise.
120         (expand_expr_real_1): Likewise.
121         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.   
122         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
123         * gengtype.c (adjust_field_tree_exp): Likewise.
124         * stmt.c (warn_if_unused_value): Likewise.
125         * tree-gimple.c (recalculate_side_effects): Likewise.
126         * tree-pretty-print.c (dump_generic_node): Likewise.
127         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
128         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
129         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
130
131         * stmt.c (struct stmt_status): Remove x_last_expr_type,
132         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
133         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
134         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
135         all the bits that tracked last_expr.
136         (expand_end_bindings): Don't track last_expr.
137         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
138         (clear_last_expr): Remove.
139         (expand_asm): Don't call it.
140         (expand_asm_operands, expand_end_cond): Likewise.
141         (expand_naked_return, expand_null_return_1): Likewise.
142         * c-typeck.c (c_begin_compound_stmt): Likewise.
143         * cfgexpand.c (expand_block): Use expand_expr_stmt.
144         * expr.c (expand_expr_real_1): Likewise.
145         * tree.h: Update prototypes.
146
147         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
148         (struct emit_status): Remove sequence_rtl_expr.
149         (struct function): Remove x_rtl_expr_chain.
150         (seq_rtl_expr, rtl_expr_chain): Remove.
151         * function.c (struct temp_slot): Remove rtl_expr.
152         (assign_stack_temp_for_type): Don't set it.
153         (free_temp_slots, pop_temp_slots): Don't check it.
154         (free_after_compilation): Don't clear x_rtl_expr_chain.
155         (fixup_var_refs): Don't search it.
156         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
157         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
158         or seq_rtl_expr.
159         (push_topmost_sequence): Likewise.
160         (end_sequence, init_emit): Likewise.
161         (start_sequence_for_rtl_expr): Remove.
162         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
163         * rtl.h (preserve_rtl_expr_result): Remove.
164
165 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
166
167         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
168         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
169         typos.
170
171 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
172
173         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
174         (STANDARD_STARTFILE_PREFIX_2): Define.
175         (standard_startfile_prefix_1): Initialize to
176         STANDARD_STARTFILE_PREFIX_1.
177         (standard_startfile_prefix_2): Initialize to
178         STANDARD_STARTFILE_PREFIX_2.
179         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
180         (STANDARD_STARTFILE_PREFIX_1): Define.
181         (STANDARD_STARTFILE_PREFIX_2): Define.
182         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
183         (STANDARD_STARTFILE_PREFIX_2): Document.
184
185 2004-07-01  Richard Henderson  <rth@redhat.com>
186
187         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
188         in order to disable scalarization.  Instead set a flag and wait
189         for a candidate decl.
190
191 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
192
193         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
194         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
195         Use terminology "testsuite" and "enumerated".
196
197 2004-07-01  Richard Henderson  <rth@redhat.com>
198
199         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
200         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
201         (initial_return_save): Likewise.
202         (flush_queued_reg_saves): Remap register numbers.
203         (dwarf2out_return_reg): Likewise.
204
205 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
206
207         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
208
209         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
210         access functions for lower bound and element size and only output
211         if lower bound nonzero or element size not same as that of type.
212         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
213
214 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
215
216         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
217
218 2004-07-01  Per Bothner  <per@bothner.com>
219
220         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
221
222 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
223
224         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
225         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
226         first operand.  Don't optimize if the bitfield is volatile.
227
228 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
229
230         * c-pretty-print.c (pp_c_postfix_expression): Handle
231         floating-point comparison operators.
232         (pp_c_expression): Pass floating-point comparison
233         operators to pp_c_postfix_expression.
234
235 2004-07-01  Roger Sayle  <roger@eyesopen.com>
236
237         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
238         rtx_cost instead of "had_mult" to determine whether the transformed
239         expression is cheaper than the original.
240
241 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
242
243         * alias.c (get_alias_set, canon_rtx, get_addr,
244         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
245         Use MEM_P.
246         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
247         expand_builtin): Likewise.
248         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
249         Likewise. 
250         * combine.c (can_combine_p, combinable_i3pat, try_combine,
251         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
252         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
253         record_dead_and_set_regs_1, get_last_value_validate,
254         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
255         * cse.c (check_dependence, canon_hash, equiv_constant,
256         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
257         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
258         count_reg_usage): Likewise.
259         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
260         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
261         cselib_record_sets): Likewise.
262         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
263         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
264         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
265         * df.c (df_uses_record): Likewise.
266         * dojump (do_jump): Likewise.
267         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
268         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
269         decl_start_label): Likewise.
270         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
271         operand_subword, change_address_1, make_safe_from): Likewise.
272         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
273         stabilize, force_not_mem): Likewise.
274         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
275         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
276         * expr.c (convert_move, convert_modes, emit_block_move,
277         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
278         emit_move_insn_1, expand_assignment, store_expr,
279         store_constructor_field, store_constructor, store_field,
280         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
281         Likewise. 
282         * final.c (cleanup_subreg_operands, alter_subreg,
283         get_mem_expr_from_op): Likewise.
284         * flow.c (notice_stack_pointer_modification_1,
285         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
286         Likewise. 
287         * function.c (mark_temp_addr_taken, preserve_temp_slots,
288         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
289         optimize_bit_field, flush_addressof, purge_addressof_1,
290         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
291         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
292         keep_stack_depressed): Likewise.
293         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
294         noce_process_if_block, find_memory): Likewise.
295         * integrate.c (subst_constants, allocate_initial_values): Likewise.
296         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
297         update_equiv_regs): Likewise.
298         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
299         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
300         * optabs.c (expand_abs, emit_unop_insn): Likewise.
301         * passes.c (rest_of_handle_final): Likewise.
302         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
303         move2add_note_store): Likewise.
304         * ra-build.c (detect_remat_webs): Likewise.
305         * ra-debug.c (dump_static_insn_cost): Likewise.
306         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
307         * recog.c (validate_change, apply_change_group, cancel_changes,
308         validate_replace_rtx_1, general_operand, register_operand,
309         nonmemory_operand, push_operand, pop_operand, memory_operand,
310         indirect_operand, asm_operand_ok, offsettable_memref_p,
311         offsettable_nonstrict_memref_p, constrain_operands,
312         store_data_bypass_p): Likewise.
313         * reg-stack.c (subst_stack_regs_pat): Likewise.
314         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
315         copy_cost, reg_scan_mark_refs): Likewise.
316         * regmove.c (optimize_reg_copy_3, stack_memref_p,
317         combine_stack_adjustments_for_block): Likewise.
318         * regrename.c (copyprop_hardreg_forward_1): Likewise.
319         * reload.c (can_reload_into, push_reload, decompose, immune_p,
320         find_reloads, find_reloads_address, find_reloads_address_1,
321         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
322         find_equiv_reg): Likewise.
323         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
324         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
325         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
326         delete_address_reloads): Likewise.
327         * resource.c (mark_referenced_resources): Likewise.
328         * rtlanal.c (get_jump_table_offset, count_occurrences,
329         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
330         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
331         num_sign_bit_copies1): Likewise.
332         * rtlhooks.c (gen_lowpart_general): Likewise.
333         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
334         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
335         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
336         sdbout_global_decl): Likewise.
337         * simplify-rtx.c (simplify_subreg): Likewise.
338         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
339         expand_anon_union_decl, expand_end_case_type): Likewise.
340         * unroll.c (calculate_giv_inc): Likewise.
341         * var-tracking.c (stack_adjust_offset_pre_post,
342         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
343         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
344         vt_add_function_parameters): Likewise.
345         * varasm.c (make_var_volatile, notice_global_symbol,
346         assemble_external, decode_addr_const, mark_weak,
347         default_encode_section_info): Likewise.
348
349 2004-07-01  Steven Bosscher  <stevenb@suse.de>
350
351         * stmt.c (check_seenlabel): Remove.
352         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
353
354 2004-07-01  Richard Henderson  <rth@redhat.com>
355
356         * function.h (struct function): Remove x_function_call_count.
357         (function_call_count): Remove.
358         * calls.c (expand_call): Don't set it.
359         * integrate.c (copy_rtx_and_substitute): Likewise.
360
361         * function.h (struct function): Remove x_cleanup_label.
362         (cleanup_label): Remove.
363         * stmt.c (expand_value_return): Don't use it.
364         * function.c (free_after_compilation): Don't set it.
365         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
366         * cfgexpand.c (tree_expand_cfg): Update call.
367         * tree.h (expand_function_start): Update decl.
368
369 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
370
371         PR c/1027
372         * c-lang.c (c_initialize_diagnostics): Move from here ...
373         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
374         (c_tree_printer): Use pretty-printer to format %T.
375         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
376         before '*' if not C++.
377         (pp_c_direct_abstract_declarator): Don't try to print array upper
378         bound for flexible array members.
379         * c-tree.h: Include "diagnostic.h".
380         (c_initialize_diagnostics): Declare.
381         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
382         * c-format.c (format_type_warning): New function.  Improve
383         diagnostics for incorrect format argument types.
384         (check_format_types): Use it.  Add two parameters.  Use the
385         TYPE_MAIN_VARIANT of wanted_type.
386         (check_format_info_main): Pass new parameters to
387         check_format_types.
388         (struct format_wanted_type): Update comment.
389
390 2004-07-01  Nick Clifton  <nickc@redhat.com>
391
392         * target.h (struct gcc_target): Add new field to struct cxx:
393         import_export_class.
394         * target-def.h (TARGET_CXX): Initialise the new field.
395         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
396         the new field.  
397         * doc/tm.texi: Document the new target hook.
398
399 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
400
401         * builtins.c (fold_builtin_classify): Fix typo.
402
403 2004-07-01  Richard Henderson  <rth@redhat.com>
404
405         * function.c (identify_blocks, identify_blocks_1): Remove.
406         * function.h (identify_blocks): Remove.
407         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
408
409 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
410
411         * builtins.c (fold_builtin_classify): New.
412         (fold_builtin_unordered_cmp): Fix commentary.
413         (fold_builtin): Use it.
414         * builtins.def: Define builtins for isnan,
415         isnanf, isnanl, finite, finitef, finitel,
416         isinf, isinff, isinfl.
417
418 2004-07-01  Richard Henderson  <rth@redhat.com>
419
420         * function.h (struct function): Remove dont_emit_block_notes.
421         * gimple-low.c (lower_function_body): Don't set it.
422         * cfgexpand.c (expand_block): Don't check it.
423         * cfglayout.c (insn_locators_initialize): Likewise.
424         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
425         * passes.c (rest_of_compilation): Likewise.
426         * stmt.c (expand_start_bindings_and_block): Likewise.
427         (expand_end_bindings): Likewise.
428
429 2004-07-01  Richard Henderson  <rth@redhat.com>
430
431         * cgraph.h (cgraph_build_static_cdtor): Declare.
432         * cgraphunit.c (cgraph_build_static_cdtor): New.
433         * c-objc-common.c (build_cdtor): Use it.
434         * coverage.c (create_coverage): Likewise.
435         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
436         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
437
438 See ChangeLog.11 for earlier changes.