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* Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2
3         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
4         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5         (add_standard_iv_candidates_for_size): New function, extracting code
6         from add_standard_iv_candidates and parameterizing it by type size.
7         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8
9 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10
11         * system.h (GCOV_SIZE_TYPE): Unposion.
12         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
13         (GCOV_TYPE_SIZE): ...this new macro.
14         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
15         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
16         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
17         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
18         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
19         instead of unsigned_intSI_type_node.
20         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
21         (rtl_gen_one_value_profiler_no_edge_manipulation)
22         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
23         * value-prof.c: Include coverage.h.
24
25 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
26             Diego Novillo <dnovillo@redhat.com>
27             
28         Fix PR tree-optimization/20703
29         Fix PR tree-optimization/20725
30         
31         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
32         (create_expression_by_pieces): Ditto.
33         (valid_in_set): Ditto. Also handle tcc_declaration.
34         (find_or_generate_expression): Handle comparison class.
35         (insert_into_preds_of_block): Ditto.
36         (insert_aux): Ditto.
37         (create_value_expr_from): Handle comparison class, recursively
38         handle reference nodes.
39         (compute_avail): Handle comparison classes, rewrite a little cleaner.
40         (execute_pre): Fix spacing.
41         (do_fre): Renamed to execute_fre.
42
43 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
44
45         * doc/invoke.texi (SPARC options): Document that
46         -mlittle-endian is not supported on Linux either.
47
48 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
49
50         PR target/4198
51         PR target/12027
52         * config.gcc (Obsolete configurations): Remove
53         sparclite-*-coff*, sparclite-*-elf* and sparc-*-openbsd*.
54         (sparclite-*-coff*): Delete.
55         (sparclite-*-elf*): Likewise.
56         (sparc86x-*-elf*): Likewise.
57         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
58         * config/sparc/lite.h: Delete.
59         * config/sparc/litecoff.h: Likewise.
60         * config/sparc/liteelf.h: Likewise.
61         * config/sparc/sp86x-elf.h: Likewise.
62         * config/sparc/t-sparclite: Likewise.
63         * config/sparc/t-sp86x: Likewise.
64
65 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
66
67         * config/s390/s390-protos.h: (s390_comparison,
68         s390_alc_comparison, s390_slb_comparison, const0_operand,
69         consttable_operand, larl_operand, s_operand,
70         shift_count_operand, bras_sym_operand, load_multiple_operation,
71         store_multiple_operation, s390_plus_operand): Remove prototypes.
72         (s390_legitimate_address_without_index_p): New prototype.
73         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
74         to s390.h.
75         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
76         const0_operand, consttable_operand, larl_operand, s_operand,
77         shift_count_operand, bras_sym_operand, load_multiple_operation,
78         store_multiple_operation, s390_plus_operand): Move to
79         predicates.md.
80         (check_mode): Remove.
81         (s390_branch_condition_mask): Remove 'static'. Move prototype to
82         s390-protos.h.
83         (s390_legitimate_address_without_index_p): New.
84         * config/s390/s390.h (PREDICATE_CODES): Remove.
85         * config/s390/s390.md: Include predicates.md.
86         * config/s390/predicates.md: New.
87
88 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
89
90         PR target/20446
91         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
92         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
93         (NEED_INDICATE_EXEC_STACK): Define to 1.
94         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
95         (NEED_INDICATE_EXEC_STACK): Define to 1.
96         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
97         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
98         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
99         (pic_helper_emitted_p): New global.
100         (emit_pic_helper): New function extracted from...
101         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
102         Do not call emit_pic_helper if delay_pic_helper is true.
103         (sparc_expand_prologue): Pass 'false' to load_pic_register.
104         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
105         (sparc_file_end): New function.
106
107 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
108
109         * config/mcore/mcore-protos.h: Remove the prototypes for
110         mcore_arith_reg_operand, mcore_general_movsrc_operand,
111         mcore_general_movdst_operand, mcore_reload_operand,
112         mcore_arith_J_operand, mcore_arith_K_operand,
113         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
114         mcore_arith_K_S_operand, mcore_arith_imm_operand,
115         mcore_arith_any_imm_operand, mcore_arith_O_operand,
116         mcore_literal_K_operand, mcore_addsub_operand,
117         mcore_compare_operand, mcore_load_multiple_operation,
118         mcore_store_multiple_operation, mcore_call_address_operand.
119         Add a prototype for const_ok_for_mcore.
120         * config/mcore/mcore.c (mcore_call_address_operand,
121         mcore_general_movsrc_operand, mcore_general_movdst_operand,
122         mcore_arith_reg_operand, mcore_reload_operand,
123         mcore_arith_J_operand, mcore_arith_K_operand,
124         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
125         mcore_arith_M_operand, mcore_arith_imm_operand,
126         mcore_arith_any_imm_operand, mcore_arith_O_operand,
127         mcore_literal_K_operand, mcore_addsub_operand,
128         mcore_compare_operand, mcore_load_multiple_operation,
129         mcore_store_multiple_operation): Move to predicates.md.
130         (const_ok_for_mcore): Export.
131         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
132         * config/mcore/mcore.md: Include predicates.md.
133         * config/mcore/predicates.md: New.
134
135         * config/mcore/predicates.md: Fix a comment typo.
136
137 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
138             Adrian Straetling  <straetling@de.ibm.com>
139
140         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
141         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
142         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
143         attribute.
144         ("imul"): Removed from "type" attribute.
145         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
146         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
147         Changed type to imulsi.
148         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
149
150 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
151
152         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
153         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
154         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
155         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
156         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
157         (TARGET_SWITCHES, mcore_stack_increment_string)
158         (TARGET_OPTIONS): Delete.
159         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
160         than *_BIT constants.
161         (TARGET_8ALIGN): #undef old definition before redefining to 1.
162         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
163         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
164         (mcore_override_options): Delete mcore_stack_increment code.
165         Change use of M340_BIT to MASK_M340.
166         * config/mcore/mcore.opt: New file.
167
168 2005-04-04  Ian Lance Taylor  <ian@airs.com>
169
170         * config/arm/arm.c (replace_symbols_in_block): Remove static
171         function.
172
173 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
174
175         * config/fr30/fr30-protos.h: Remove the prototypes for
176         stack_add_operand, add_immediate_operand,
177         high_register_operand, low_register_operand, call_operand,
178         di_operand, and nonimmediate_di_operand.
179         * config/fr30/fr30.c (stack_add_operand,
180         add_immediate_operand, high_register_operand,
181         low_register_operand, call_operand, di_operand,
182         nonimmediate_di_operand): Move to predicates.md.
183         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
184         * config/fr30/fr30.md: Include predicates.md.
185         * config/fr30/predicates.md: New.
186
187         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
188         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
189         mcore_call_address_operand.
190
191         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
192         general_movsrc_operand.
193
194 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
195
196         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
197         after freeing.
198
199 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
200
201         PR target/14812
202         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
203         a negated value.
204
205 2005-04-04  Richard Henderson  <rth@redhat.com>
206             Jakub Jelinek  <jakub@redhat.com>
207
208         PR rtl-optimization/16104
209         * fold-const.c (fold_unary): Fix folding of vector conversions.
210
211 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
212
213         * config.gcc (xstormy16-*-elf): Set extra_options.
214         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
215         * config/stormy16/stormy16.opt: New file.
216
217 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
218
219         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
220         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
221         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
222         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
223         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
224         (TARGET_UNIX_ASM): Delete.
225         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
226         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
227         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
228         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
229         * config/pdp11/pdp11.opt: New file.
230
231 2005-04-03  Roger Sayle  <roger@eyesopen.com>
232             Alexandre Oliva  <aoliva@redhat.com>
233
234         PR c++/19199
235         * fold-const.c (non_lvalue): Split tests into...
236         (maybe_lvalue_p): New function.
237         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
238         C++ front-end prior to lowering into gimple form.
239
240 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
241
242         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
243         BUILT_IN_STRNCASECMP): New.
244         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
245         and strndup.
246
247 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
248
249         PR target/14812
250         * arm.md (addsi3_compare0_for_combiner): Delete.
251         (addsi3_compare0_scratch_for_combiner): Delete.
252         (cmpsi_neg_shiftsi): Delete.
253         (compare_negsi_si): New pattern.
254         (cmpsi_negshiftsi_si): New pattern.
255         (negated_cbranchsi4): Restrict to equality_operator.
256         
257         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
258         template.
259
260 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
261
262         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
263         Fix comment typos.
264
265         * doc/install.texi: Fix a typo.
266
267 2005-04-03  Steven Bosscher  <stevenb@suse.de>
268
269         PR middle-end/20648
270         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
271         a computed goto if the edge to the computed goto block has
272         incoming abnormal edges.  Clarify how the function works.
273
274 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
275
276         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
277         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
278         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
279         hash_scan_set, reg_set_between_after_reload_p,
280         reg_used_between_after_reload_p, get_avail_load_store_reg,
281         eliminate_partially_redundant_load): Likewise.
282         * postreload.c (reload_cse_simplify_set,
283         reload_combine_note_use): Likewise.
284         * predict.c (predict_insn, expected_value_to_br_prob,
285         propagate_freq, expensive_function_p): Likewise.
286         * print-rtl.c (print_rtx): Likewise.
287         * profile.c (instrument_edges, instrument_values,
288         compute_branch_probabilities, branch_prob, union_groups,
289         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
290         * protoize.c (in_system_include_dir, file_could_be_converted,
291         file_normally_convertible, gen_aux_info_file, seek_to_line,
292         do_cleaning): Likewise.
293         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
294         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
295         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
296
297 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
298
299         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
300         * modulo-sched.c (undo_replace_buff_elem): New structure.
301         (kernel_number_of_cycles, ps_unschedule_node,
302         undo_generate_reg_moves,free_undo_replace_buff,
303         undo_permute_partial_schedule,  loop_single_full_bb_p,
304         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
305         build_loops_structure, get_sched_window): New.
306         (generate_reg_moves): Return undo_replace_buff_elem and other
307         fixes.
308         (generate_prolog_epilog): Remove old loop versioning.
309         (sms_schedule): Use loop information and loop_version.
310         (sms_schedule_by_order): Split part of it to get_sched_window.
311         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
312         cfg_layout_finalize and free_dominance_info before/after SMS.
313
314 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
315
316         * cfghooks.c (lv_flush_pending_stmts,
317         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
318         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
319         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
320         lv_add_condition_to_bb,
321         lv_adjust_loop_header_phi, extract_cond_bb_edges,
322         flush_pending_stmts): New in cfg_hooks structure.
323         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
324         extract_cond_bb_edges, lv_adjust_loop_header_phi,
325         lv_add_condition_to_bb): New declarations.
326         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
327         bool.
328         (loop_version): Declare.
329         * cfgloopmanip.c (cfghooks.h): Include.
330         (duplicate_loop_to_header_edge): Change return type to bool.
331         (loop_version, lv_adjust_loop_entry_edge): Move here.
332         * cfgrtl.c (cfgloop.h): Include.
333         (rtl_verify_flow_info_1): Fix.
334         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
335         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
336         initialization.
337         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
338         tree_lv_add_condition_to_bb): New.
339         (tree_cfg_hooks): Add new hooks to initialization.
340         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
341         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
342
343 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
344
345         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
346         xstormy16_below100_or_register,
347         xstormy16_splittable_below100_or_register, and
348         nonimmediate_nonstack_operand.
349
350         * config/stormy16/stormy16-protos.h: Remove the prototypes for
351         xstormy16_ineqsi_operator, equality_operator,
352         inequality_operator, shift_operator,
353         xstormy16_below100_operand, xstormy16_below100_or_register,
354         xstormy16_splittable_below100_or_register,
355         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
356         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
357         equality_operator, inequality_operator,
358         xstormy16_below100_operand, xstormy16_below100_or_register,
359         xstormy16_splittable_below100_or_register,
360         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
361         nonimmediate_nonstack_operand, shift_operator): Move to
362         predicates.md.
363         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
364         * config/stormy16/stormy16.md: Include predicates.md.
365         * config/stormy16/predicates.md: New.
366
367 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
368
369         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
370         small_int, large_int, reg_or_0_operand, simple_memory_operand,
371         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
372         move_operand, power_of_2_operand): Move to predicates.md.
373         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
374         PREDICATE_CODE): Remove.
375         * config/iq2000/iq2000.md: Include predicates.md.
376         * config/iq2000/predicates.md: New.
377
378 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
379
380         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
381         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
382         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
383         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
384         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
385         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
386         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
387         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
388         (TARGET_M68HC11): Delete.
389         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
390         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
391         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
392         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
393         (nb_soft_regs): Delete.
394         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
395         (m68hc11_override_options): Remove the code that caters for MASK_M6811
396         and MASK_M6812 being set simultaneously.  Change the code that sets
397         the default m68hc11_soft_reg_count to use integers instead of strings.
398         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
399         m68hc11_soft_reg_count (which now has an int type) as the number
400         of soft registers.
401         * config/m68hc11/m68hc11.opt: New file.
402
403 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
404
405         * config/fr30/fr30.h (PREDICATE_CODES): Remove
406         fp_displacement_operand, sp_displacement_operand.
407
408         * config/m68hc11/m68hc11-protos.h: Add a prototype for
409         m68hcc_auto_inc_p.
410         Remove the prototypes for tst_operand, cmp_operand,
411         stack_register_operand, d_register_operand,
412         hard_addr_reg_operand, splitable_operand,
413         m68hc11_logical_operator, m68hc11_arith_operator,
414         m68hc11_non_shift_operator, m68hc11_shift_operator,
415         m68hc11_unary_operator, m68hc11_eq_compare_operator,
416         non_push_operand, hard_reg_operand, and
417         reg_or_some_mem_operand.
418         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
419         extern.
420         (tst_operand, cmp_operand, non_push_operand,
421         splitable_operand, reg_or_some_mem_operand,
422         stack_register_operand, d_register_operand,
423         hard_addr_reg_operand, hard_reg_operand,
424         m68hc11_eq_compare_operator, m68hc11_logical_operator,
425         m68hc11_arith_operator, m68hc11_non_shift_operator,
426         m68hc11_shift_operator, m68hc11_unary_operator): Move to
427         predicates.md.
428         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
429         * config/m68hc11/m68hc11.md: Include predicates.md.
430         * config/m68hc11/predicates.md: New.
431
432 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
433
434         PR debug/19345
435         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
436         change checked in along with 2005-03-03's patch for debug/20253.
437         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
438         (remap_decl): Insert type decl in map earlier.
439
440 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
441
442         PR tree-optimization/20640
443         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
444         post-dominator if it has phi nodes.
445         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
446         before dead statements.
447
448 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
449
450         PR middle-end/20491
451         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
452
453 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
454
455         PR rtl-optimization/20290
456         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
457         in every iteration if the entry point is the exit test.
458
459 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
460
461         * config/cris/cris.md (attribute "length"): Define.
462
463 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
464
465         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
466         (word_offset_memref_operand): New.
467         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
468         (indexed_or_indirect_operand): Delete.
469         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
470         (indexed_or_indirect_operand): Delete.
471
472         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
473
474         PR 20650
475         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
476         a register.
477
478         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
479         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
480
481 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
482
483         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
484
485 2005-04-01  Ian Lance Taylor  <ian@airs.com>
486
487         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
488         (rus, prus): Remove static variables.
489         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
490         (process_command): Permit report_times and use_pipes together.
491
492 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
493
494         * c-decl.c (validate_proto_after_old_defn): Look at
495         TYPE_MAIN_VARIANT of argument types.
496
497 2005-04-01  Paul Brook  <paul@codesourcery.com>
498
499         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
500         (arm_output_function_epilogue): Allow call_via_SP.
501         (thumb_call_via_reg, arm_file_end): Ditto.
502         * config/arm/arm.h (struct machine_function): Include space for SP.
503         (thumb_call_via_label): Update declaration.
504
505 2005-04-01  Ian Lance Taylor  <ian@airs.com>
506
507         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
508         doing a peephole optimization, once again put any notes in the
509         proper position.
510
511 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
512
513         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
514
515 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
516
517         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
518         (block_alloc, find_free_reg): Likewise.
519         * loop-doloop.c (doloop_modify): Likewise.
520         * loop-invariant.c (record_use): Likewise.
521         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
522         get_iv_value, canon_condition, eliminate_implied_condition,
523         eliminate_implied_condition, simplify_using_initial_values,
524         shorten_into_mode, canonicalize_iv_subregs,
525         iv_number_of_iterations): Likewise.
526         * loop-unroll.c (expand_var_during_unrolling): Likewise.
527         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
528         unswitch_loop): Likewise.
529         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
530         move_movables, replace_call_address, find_and_verify_loops,
531         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
532         record_giv, final_giv_value, general_induction_var,
533         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
534         loop_giv_dump): Likewise.
535
536         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
537         GCOV_CHECK_WRITING): Remove.
538         (gcov_position, gcov_rewrite): Use gcc_assert.
539         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
540         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
541         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
542         gcc_assert.
543
544 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
545
546         * tree-inline.c: Fix a typo.
547
548 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
549
550         * configure.ac (enable-checking): Explicitly set all variables for
551         collective switch values.  Alphabetize variables. Rename
552         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
553         synonym for 'no'.
554         * doc/install.texi (enable-checking): Update documentation.
555         * configure: Rebuilt.
556
557 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
558
559         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
560         possible.
561
562 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
563
564         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
565         Also reject cases where this pattern will cause load delay stalls
566         unless optimizing for size and it will produce a shorter sequence.
567         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
568         variants to avoid pre-adjusting the base when possible.
569
570 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
571
572         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
573         the frame and argument pointers.
574         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
575         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
576         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
577         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
578         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
579         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
580
581 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
582
583         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
584         with entry for selectany attribute.
585         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
586         Declare.
587         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
588         (i386_pe_asm_named_section): Handle sections generated by
589         selectany attribute.
590         * doc/extend.texi (selectany): Document attribute.
591
592 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
593             Jan Hubicka  <jh@suse.cz>
594
595         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
596         to fix addresses involving EBP and ESP.
597         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
598         for SUBREGed registers.
599         (legitimate_address_p): Accept SUBREGed registers.
600
601 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
602
603         PR c++/19406
604         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
605         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
606         for FIELD_DECLs.
607
608 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
609
610         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
611
612 2005-04-01  James E Wilson  <wilson@specifixinc.com>
613
614         PR c++/20505
615         * dwarf2out.c (rtl_for_decl_init): New function.
616         (rtl_for_decl_location): Extracted from here.
617         (tree_add_const_value_attribute): Call rtl_for_decl_init and
618         add_const_value_attribute.  Delete initializer_constant_valid_p call.
619
620 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
621
622         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
623         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
624         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
625         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
626         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
627         config/i386/i386.md, config/rs6000/predicates.md,
628         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
629         config/s390/s390.c, config/stormy16/stormy16.c,
630         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
631         typos.
632
633 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
634
635         PR c/17855
636         * gimplify.c (gimplify_expr): Create a temporary for lvalue
637         COND_EXPR and CALL_EXPR.
638
639 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
640
641         PR target/20632
642         * genautomata.c (first_cycle_unit_presence): Check all alternative
643         states for unit presence.
644
645         * doc/md.texi: Remove remark about impossibility to query unit
646         presence in non nondeterministic automaton state.
647         
648         * config/ia64/ia64.c (get_template): Change order of unit querying.
649
650 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
651
652         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
653         obsolete comment.
654
655 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
656
657         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
658         flag for edges outside any loops.
659
660 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
661
662         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
663
664 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
665
666         * tree-ssa-alias.c: Follow spelling conventions.
667         * doc/tree-ssa.texi: Fix a typo.
668
669 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
670
671         * postreload-gcse.c: Include target.h.
672         (gcse_after_reload_main): Return early if we cannot modify jumps.
673         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
674
675 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
676
677         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
678         expensive operations.
679
680 2005-03-31  Ian Lance Taylor  <ian@airs.com>
681
682         * collect2.c (lderrout): New variable.
683         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
684         if it is set, to stderr.
685         (handler): Unlink lderrout if it is set.
686         (dump_file): Add "to" parameter.  Change all callers.
687         (main): Initialize lderrout.
688         (collect_execute): Add errname parameter.  Change all callers.
689         Rename redir parameter to outname.  Never pass
690         PEX_STDERR_TO_STDOUT to pex_run.
691         * collect2.h (collect_execute, dump_file): Update declarations.
692         * tlink.c (tlink_execute): Add errname parameter.  Change all
693         callers.
694         (do_tlink): Check lderrout as well as ldout.
695
696 2005-03-31  Caroline Tice  <ctice@apple.com>
697
698         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
699         (bb-reorder.o): Add errors.h to list of requirements.
700         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
701         profiledbootstrap flags.
702         * bb-reorder.c (errors.h): Add new include.
703         (struct bbro_basic_block_data_def): Add new field, in_trace.
704         (add_unlikely_executed_notes):  Remove function.
705         (mark_bb_for_unlikely_executed_section): Remove function.
706         (insert_section_boundary_note): New function.
707         (verify_hot_cold_block_grouping): New function.
708         (push_to_next_round_p): Remove variables and tests that push all
709         cold blocks to last round.
710         (find_traces): Remove code that added extra round of trace finding
711         when doing partitioning.
712         (find_traces_1_round) :  Remove variable last_round;  add code to 
713         update new struct field, in_trace; correct trace_length where it was 
714         incorrect before (after call to copy_bb); change code that pushed all 
715         cold blocks to last round. Instead verify that all blocks going into 
716         a trace belong in the same partition.
717         (connect_traces): Modify to connect the traces in two passes, if the
718         function contains both hot and cold blocks.  The first pass connects 
719         all the traces for blocks in the partition that the first block in 
720         the function belongs to; the second pass connnects all the traces 
721         containing blocks that belong in the other partition.
722         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
723         code that automatically put the first block in a function into the
724         hot partition if the function had any hot blocks.
725         (fix_crossing_unconditional_branches): Check number of succ edges 
726         before attempting to get one.
727         (fix_edges_for_rarely_executed_code):  Update comment describing
728         function.
729         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
730         remove call to add_unlikely_executed_notes; add call to 
731         verify_hot_cold_block_grouping.
732         (duplicate_computed_gotos): Don't change computed goto if it's a 
733         crossing edge.
734         (partition_hot_cold_basic_blocks):  Update function comment.
735         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
736         condition.
737         (try_forward_edges): Likewise.
738         (merge_blocks_move_predecessor_nojumps): Likewise.
739         (merge_blocks_move_successor_nojumps): Likewise.
740         (merge_blocks_move): Likewise.
741         (try_crossjump_bb): Likewise.
742         * cfglayout.c (update_unlikely_executed_notes): Remove function.
743         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
744         notes to cold bb's; remove call to update_unlikely_executed_notes.
745         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
746         NOTE_INSN_SWITCH_TEXT_SECTIONS.
747         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
748         function declaration.
749         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
750         from consideration.
751         (rtl_can_merge_blocks): Remove redundancy from condition.
752         (try_redirect_by_replacing_jump): Likewise.
753         (force_nonfallthru_and_redirect): Remove code for adding
754         UNLIKELY_EXECUTED_CODE notes to cold bb's.
755         (commit_one_edge_insertion): Likewise.
756         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
757         * dbxout.c (FORCE_TEXT): Replace function_section with 
758         current_function_section.
759         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
760         function, switch_text_section.
761         (struct xcoff_debug): Likewise.
762         (dbxout_function_end): Add code to put out label diffs for both
763         hot and cold sections.
764         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
765         for new debug_hooks funciton, switch_text_section..
766         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
767         switch_text_section.
768         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
769         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
770         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
771         dw_fde_switched_sections.
772         (output_call_frame_info):  Add test to see if function switches text
773         sections in the middle; if so, use appropriate extra hot and cold 
774         section labels to compute size deltas for the hot and cold sections.
775         (dwarf2out_begin_prologue): Add code to initialize new fields in 
776         dw_fde_struct.
777         (dwarf2out_switch_text_section): New function (invoked through 
778         debug_hook); updates new fields in dw_fde_struct appropriately and
779         increments separate_line_info_table_in_use.
780         (dwarf2_debug_hooks): Initialize switch_text_section function to be
781         dwarf2out_switch_text_section.
782         (struct var_loc_node): Add new field, section_label.
783         (output_aranges): Add code to check whether in hot or cold section and
784         use the appropriate label in calculating deltas.
785         (output_ranges): Likewise.
786         (output_line_info): Add code to check which section we're in and
787         use appropriate hot/cold label.
788         (add_location_or_constant_value_attribute): Likewise.
789         (gen_subprogam_die): Modify arange attributes to use correct labels.
790         (dwarf2out_begin_block): Change call to function_section into call to
791         current_function_section.
792         (dwarf2out_end_block): Likewise.
793         (dwarf2out_source_line): Likewise.
794         (dwarf2out_var_location): Add code to check whether in hot or cold 
795         section and use the appropriate label.
796         * except.c (output_function_exception_table): Change call to 
797         function_section into call to current_function_section.
798         * final.c (profile_function): Likewise.
799         (scan_ahead_for_unlikely_executed_note): Remove function.
800         (final_scan_insn):  Remove calls to 
801         scan_ahead_for_unlikely_executed_note, and related code for switching 
802         to cold section, except for the single time 
803         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
804         debug_hooks->switch_text_sections; replace appropriate calls to 
805         function_section with calls to current_function_section.
806         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
807         test_bb to condition.
808         (find_if_case_2): Likewise.
809         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
810         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
811         * opts.c (decode_options): Change warning about hot/cold partitioning
812         with exceptionss to inform (so as not to cause bootstrap failures);
813         remove warning about partitioning with DWARF debug info.
814         * output.h (current_function_section): Add new function decl.
815         (insert_section_boundary_note): Likewise.
816         (enum in_section): Move this declaration here from varasm.c.
817         (unlikely_section_label): Likewise.
818         (unlikely_text_section_name): Likewise.
819         (last_text_section_name): New global variable.
820         (last_text_section): Likewise.
821         (hot_section_label): Likewise.
822         (hot_section_end_label): Likewise.
823         (cold_section_end_label): Likewise.
824         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
825         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
826         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
827         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
828         insn from consideration.
829         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
830         switch_text_section.
831         * varasm.c (basic-block.h): Add new include.
832         (unlikely_section_label_printed): Remove global variable.
833         (unlikely_section_label): Make global variable not be static any more.
834         (unlikely_text_section_name): Likewise.
835         (hot_section_end_label): New global variable (not static)
836         (first_function_block_is_cold): Likewise.
837         (hot_section_label): Likewise.
838         (cold_section_end_label): Likewise..
839         (last_text_section): New global variable, not static.
840         (last_text_section_name): New global variable, not static.
841         (initialize_cold_section_name): New function.
842         (enum in_section): Move declaration to output.h.
843         (text_section): Update last_text_section.
844         (unlikely_text_section): Replace code to determine cold section name 
845         with call to initialize_cold_section_name; Add code to update 
846         last_text_section; remove code for printing out label.
847         (named_section_real): Add code to update last_text_section and 
848         last_text_section_name as appropriate.
849         (function_section): Change test for 'unlikely' to depend on
850         first_function_block_is_cold (moved old test to 
851         current_function_section).
852         (current_function_section): New function.
853         (assemble_start_function): Move code that frees 
854         unlikely_text_section_name; initialize hot_section_end_label; 
855         print hot and cold section labels at the start of the function; 
856         set first_function_block_is_cold, if appropriate; initialize l
857         ast_text_section; add call to insert_section_boundary_note.
858         (assemble_end_function):  Add code to write out hot and cold section
859         end labels.
860         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
861         switch_text_section.
862         * config/darwin.c (machopic_select_section): Replace incorrect 
863         function in base_funs; update reloc for cold sections if necessary.
864         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
865         last_text_section if appropriate.
866         (text_unlikely_section): Remove.
867         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
868         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
869         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
870         partitioning for this architecture.
871
872 2005-03-31  Olivier Hainque  <hainque@adacore.com>
873
874         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
875         defined and non-zero.
876
877 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
878
879         PR c++/18644
880         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
881         semantics. 
882
883 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
884
885         PR target/20611
886         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
887         label operand.  Remove (use (unspec..)).  Don't emit a label on
888         the offset word.
889         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
890         generate inline label for load_toc_v4_PIC_1b.
891         (rs6000_emit_load_toc_table): Likewise.
892
893 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
894
895         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
896         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
897
898 2005-03-29  Devang Patel  <dpatel@apple.com>
899
900         * tree-sra.c (decide_block_copy): Disable scalarization of
901         sub-elements.
902         
903 2005-03-30  Stuart Hastings  <stuart@apple.com>
904             Dale Johannesen  <dalej@apple.com>
905
906         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
907         * print-tree.c (print_node):  Add case STATEMENT_LIST.
908
909 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
910
911         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
912         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
913         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
914         is given with "powerpc64*" or "all", or when --with-cpu chooses
915         a 64-bit cpu.
916
917 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
918
919         PR debug/20268
920         * dwarf2out.c (add_high_low_attributes): New function, extracted from
921         gen_lexical_block_die.
922         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
923
924 2005-03-31  Jan Hubicka  <jh@suse.cz>
925
926         2004-11-02  Jan Hubicka  <jh@suse.cz>
927
928         * cgraph.c (cgraph_varpool_node_name): New function.
929         (dump_cgraph_varpool_node): New function.
930         (dump_varpool): New function.
931         * cgraphunit.c (cgraph_optimize): Dump varpool.
932
933         2004-10-16  Jan Hubicka  <jh@suse.cz>
934
935         * cgraph.c (decide_is_variable_needed): New function.
936         (cgraph_varpool_finalize_decl): Use it.
937         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
938         unit-at-a-time.
939         * final.c (output_addr_const): Do not call mark_referenced.
940         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
941         always go via cgraph.
942         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
943         (check_global_declarations): Ifdef out code clearing DECL_RTL.
944         * tree-optimize.c (execute_inline): Mark functions called.
945         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
946
947         2004-10-11  Jan Hubicka  <jh@suse.cz>
948
949         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
950         (cgraph_varpool_last_needed_node): New static variable.
951         (enqueue_needed_varpool_node): Break out from ...; add items to the
952         end of queue; update first pointers.
953         (cgraph_varpool_mark_needed_node): ... here.
954         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
955         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
956         * cgraph.h (cgraph_varpool_node): Add analyzed field.
957         (cgraph_varpool_first_unanalyzed_node): Declare.
958         * cgraphunit.c: Include output.h.
959         (cgraph_varpool_analyze_pending_decls): New function.
960         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
961         for errors, analyze pending decls.
962         (cgraph_finalize_compilation_unit): Only analyze decls.
963         (cgraph_optimize): Assemble the decls after expanding.
964
965 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
966
967         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
968         subvars get marked properly in tags for grouping.
969         (add_pointed_to_var): Mark only actual pointed to
970         variables/subvars in addresses needed.
971         (create_overlap_variables_for): Clear call clobbered on original
972         variable.
973         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
974         addresable vars with subvars into list.
975         * tree-ssa.c (verify_ssa_name): Verify original is not used where
976         subvar should be.
977
978 2005-03-30  Richard Henderson  <rth@redhat.com>
979
980         * cgraph.h (struct cgraph_node): Add alias.
981         * varasm.c (assemble_alias): Set it.
982         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
983         avoid calling cgraph_expand_function.
984
985 2005-03-30  Tom Tromey  <tromey@redhat.com>
986
987         * tree.def (FILE_TYPE): Removed.
988         * typeclass.h (enum type_class): Removed file_type_class.
989         * dwarf2out.c (is_base_type): Updated.
990         (gen_type_die): Likewise.
991         * dbxout.c (dbxout_type): Updated.
992         * builtins.c (type_to_class): Updated.
993         * tree.c (type_contains_placeholder_1): Updated.
994         * config/sparc/sparc.c (sparc_type_code): Updated.
995         * config/ia64/ia64.c (hfa_element_mode): Updated.
996         * expr.c (count_type_elements): Updated.
997         * stor-layout.c (layout_type): Updated.
998         * tree-inline.c (remap_type): Updated.
999         * tree-pretty-print.c (dump_generic_node): Updated.
1000
1001 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1002
1003         * builtins.c (expand_builtin_powi): Fix mode of
1004         2nd argument to match int.
1005         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1006         2nd argument type to int.
1007         * libgcc2.c: Change prototype of __powi* functions to use
1008         int.
1009
1010 2005-03-30  Dale Johannesen  <dalej@apple.com>
1011
1012         PR middle-end/19225
1013         * calls.c (expand_call):  Flush pending deferrals before
1014         throwing call.
1015
1016 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1017
1018         PR c/772
1019         PR c/17913
1020         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1021         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1022         c_label_context, label_context_stack): New.
1023         * c-decl.c (define_label): Check for jumps into statement
1024         expressions.  Add label to list of defined labels.
1025         (start_function): Push context on label_context_stack.
1026         (finish_function): Pop context from label_context_stack.
1027         * c-typeck.c (label_context_stack): New.
1028         (c_finish_goto_label): Check for jumps into statement
1029         expressions.  Add label to list of jumped to labels.
1030         (struct c_switch): Add blocked_stmt_expr.
1031         (c_start_case): Initialize it.
1032         (do_case): Check it.
1033         (c_finish_case): Verify !blocked_stmt_expr.
1034         (c_begin_stmt_expr):  Push context on label_context_stack.
1035         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1036         as undefinable.
1037         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1038         defined in the statement expression and no longer jumpable to.
1039         Mark labels jumped to from just outside the statement expression
1040         as again definable.  Pop context from label_context_stack.
1041         * doc/extend.texi (Statement Exprs): Update.
1042
1043 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1044
1045         PR c/20368
1046         * c-decl.c (start_function): Check for old_decl being
1047         error_mark_node.
1048
1049 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1050
1051         * final.c (final): Remove prescan parameter.  Change all callers.
1052         (final_scan_insn): Remove prescan parameter.  Change all callers.
1053
1054 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1055
1056         * tree-vectorizer.c: Fix comment typos.
1057
1058 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1059
1060         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1061         as soon as a chrec_dont_know is detected.
1062
1063 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1064
1065         Merge from csl-arm-branch.
1066         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1067
1068         * tlink.c (recompile_files): Do not assume that "rename" can
1069         overwrite an existing file.
1070
1071 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1072
1073         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1074         * gcc/configure: Regenerate.
1075
1076 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1077
1078         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1079
1080         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1081
1082         * calls.c (struct arg_data): Update "partial" comment.
1083         (load_register_parameters): Update "nregs" comment.
1084
1085 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1086
1087         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1088         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1089         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1090         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1091         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1092         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1093         than target_flags & 0.
1094         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1095         (iq2000_arch, iq2000_parse_cpu): Delete.
1096         (TARGET_HANDLE_OPTION): Override default.
1097         (iq2000_handle_option): New function.
1098         (override_options): Remove -march= and -mcpu= handling.
1099         * config/iq2000/iq2000.opt: New file.
1100
1101 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1102
1103         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1104         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1105         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1106         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1107         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1108         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1109         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1110         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1111         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1112         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1113         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1114         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1115         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1116         (TARGET_OPTIONS): Delete.
1117         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1118         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1119         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1120         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1121         (c4x_cpu_version_string): Delete.
1122         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1123         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1124         equivalent -mcpu= option.
1125         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1126         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1127         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1128         or clearing the appropriate MASK_* bit.
1129         (c4x_file_start): Use c4x_cpu_version.
1130         * config/c4x/c4x.opt: New file.
1131
1132 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1133
1134         * doc/options.texi: Document the new MaskExists flag.
1135         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1136         if the option has the MaskExists flag.
1137
1138 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1139
1140         * opt-functions.awk (flag_set_p, test_flag): New functions.
1141         (switch_flags): Use them.
1142         * opth-gen.awk: Use flag_set_p to check for flags.
1143         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1144
1145 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1146
1147         * config.host (i[34567]86-*-mingw32*): Don't set
1148         host_can_use_collect2 to no.
1149
1150 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1151
1152         PR target/20203
1153         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1154         Remove convert_memory_address call duplicating that in memory_address.
1155
1156 2005-03-29  Richard Henderson  <rth@redhat.com>
1157
1158         PR c/20519
1159         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1160         (build_compound_literal): Likewise.  Propagate decl type into the
1161         initializer.
1162         (finish_decl): Likewise.  Use new return value from complete_array_type
1163         for zero sized arrays.
1164         (complete_array_type): Move ...
1165         * c-common.c (complete_array_type): ... here.  Change first argument
1166         to pointer-to-type-node.  Consistently use sizetype for the index
1167         except for zero sized arrays.  Detect zero sized arrays for pedantic
1168         mode diagnostics.  Create a new type node instead of modifying the
1169         old node in place.
1170         * c-tree.h (complete_array_type): Move decl ...
1171         * c-common.h (complete_array_type): ... here.
1172
1173 2005-03-29  Richard Henderson  <rth@redhat.com>
1174
1175         PR tree-opt/19108
1176         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1177
1178 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1179
1180         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1181         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1182         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1183         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1184
1185 2005-03-29  Eric Christopher  <echristo@redhat.com>
1186
1187         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1188         truthvalue conversion removal.
1189
1190 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1191
1192         PR bootstrap/14316
1193         * collect2.c: Never include <vfork.h>.
1194         (VFORK_STRING, vfork): Don't define.
1195         (pid): Remove global variable.
1196         (handler): Call raise instead of kill (getpid(), ...).
1197         (collect_wait): Add pex parameter.  Change all callers.  Use
1198         pex_get_status rather than pwait.
1199         (do_wait): Add pex parameter.  Change all callers.
1200         (collect_execute): Return struct pex_obj * rather than void.  Use
1201         pex routines rather than pexecute.
1202         (fork_execute): Get pex_obj from collect_execute, and pass it to
1203         do_wait.
1204         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1205         Only declare quit_handler if SIGQUIT is defined.
1206         (scan_libraries): Likewise.
1207         * collect2.h (collect_execute): Update declaration.
1208         (collect_wait): Update declaration.
1209         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
1210         pass it to collect_wait.
1211
1212 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
1213
1214         PR c/20672
1215         * c-parser.c (c_parser_compound_statement_nostart): Give error
1216         message for EOF instead of just setting parser->error.
1217
1218 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
1219
1220         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
1221         (slpeel_update_phi_nodes_for_guard1): New function.
1222         (slpeel_update_phi_nodes_for_guard2): New function.
1223         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
1224         of slpeel_update_phi_nodes_for_guard.
1225         (vectorize_loops): Remove call to loop_closed_rewrite.
1226         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
1227         assertion.
1228
1229 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
1230
1231         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
1232         (TARGET_LITTLE_ENDIAN): New macro.
1233         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
1234         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
1235         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
1236         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
1237         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
1238         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
1239         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
1240         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
1241         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
1242         (TARGET_OPTIONS): Delete.
1243         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
1244         (CACHE_FLUSH_TRAP): Turn into an integer.
1245         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
1246         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
1247         -mflush-trap is in use.
1248         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
1249         (m32r_cache_flush_trap_string): Delete.
1250         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
1251         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
1252         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
1253         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1254         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
1255         -mmodel= and -msdata= handling from...
1256         (m32r_init): ...here.
1257         * config/m32r/m32r.opt: New file.
1258
1259 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
1260
1261         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
1262         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
1263         * tree-vect-analyze.c (vect_object_analysis): additional parm
1264         pass back a "struct ptr_info_def *" with the points-to info.
1265         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
1266         statement using info returned from vect_object_analysis.
1267         * tree-vect-transform.c (update_vuses_to_preheader): New function.
1268         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
1269         for virtual uses and defs when creating a replacement vector
1270         reference.  Call duplicate_ssa_name_ptr_info to define points-to
1271         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
1272         (vectorizable_store): copy_virtual_operands and update
1273         definition statements.
1274         (vectorizable_load): copy_virtual_operands.  Remove call to
1275         mark_call_clobbered_vars_to_rename for call to "const" builtin.
1276         * tree-vectorizer.c (vectorize_loops): Remove calls to
1277         rewrite_into_ssa and bitmap_clear (vars_to_rename).
1278         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
1279         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
1280         define macro STMT_VINFO_PTR_INFO for use in accessing.
1281         * tree.h add export of duplicate_ssa_name_ptr_info.
1282         * rs6000.c (altivec_init_builtins): Declare builtin function
1283         __builtin_altivec_mask_for_load to be "const".
1284
1285 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
1286
1287         PR middle-end/20622
1288         * cgraph.h (struct cgraph_varpool_node): Add alias field.
1289         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
1290         assemble_variable on aliases.
1291         * varasm.c (assemble_alias): Set node->alias.
1292         * toplev.c (wrapup_global_declarations): Don't call
1293         rest_of_decl_compilation on aliases again.
1294
1295 2005-03-29  Paul Brook  <paul@codesourcery.com>
1296
1297         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
1298         * config/arm/arm.c (arm_dbx_register_number): New function.
1299         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
1300
1301 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
1302
1303         PR middle-end/20263
1304         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
1305         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
1306
1307 2005-03-29  Dale Johannesen <dalej@apple.com>
1308
1309         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
1310         $(TREE_H) and $(COVERAGE_H).
1311         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
1312         * opts.c (common_handle_option): Enable tree-based value transforms.
1313         * toplev.c (process_options): Ditto.
1314         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
1315         refers to references to this type.
1316         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
1317         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
1318         for may_be_more, may_be_less.
1319         (rtl_gen_pow2_profiler): Adjust.
1320         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
1321         (rtl_gen_one_value_profiler): Adjust.
1322         (rtl_gen_const_delta_profiler): Adjust.
1323         * tree-profile.c (tree_gen_interval_profiler): Implement.
1324         (tree_gen_pow2_profiler): Ditto.
1325         (tree_gen_one_value_profiler): Ditto.
1326         (tree_profiling): New.
1327         (pass_tree_profile): Reference it.
1328         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
1329         tree.h, gcov-io.h.
1330         (insn_divmod_values_to_profile): Rename to
1331         rtl_divmod_values_to_profile. Adjust.
1332         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
1333         (insn_prefetch_values_to_profile): Adjust.
1334         (rtl_value_profile_transformations): Adjust.
1335         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
1336         (gen_mod_pow2): Rename to rtl_mod_pow2.
1337         (gen_mod_subtract): Rename to rtl_mod_subtract.
1338         (divmod_fixed_value_transform): Rename to
1339         rtl_divmod_fixed_value_transform.
1340         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
1341         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
1342         (rtl_find_values_to_profile): Adjust.
1343         (tree_value_profile_transformations): Implement.
1344         (tree_divmod_values_to_profile): New.
1345         (tree_values_to_profile): New.
1346         (tree_divmod_fixed_value): New.
1347         (tree_mod_pow2): New.
1348         (tree_mod_subtract): New.
1349         (tree_divmod_fixed_value_transform): New.
1350         (tree_mod_pow2_value_transform): New.
1351         (tree_mod_subtract_transform): New.
1352         (tree_find_values_to_profile): Implement.
1353         * profile.c (instrument_values):  Free histograms.
1354         (compute_value_histograms): Adjust. Implement tree version.
1355
1356 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
1357
1358         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
1359         * config/i386/i386.c (output_fix_trunc): Add new round_mode
1360         variable.  Output "fldcw" depending on round_mode.
1361         * config/i386/i386.md (UNSPEC_FIST): New.
1362         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
1363         New isns patterns to implement lrint and llrint built-ins as x87
1364         intrinsic function.
1365         (fistdi2, fist<mode>2 splitters): New splitters.
1366         (lrint<mode>2): New expanders.
1367
1368 2005-03-28  Ian Lance Taylor  <ian@airs.com>
1369
1370         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
1371         0 when calling final_scan_insn.
1372
1373 2005-03-28  Jan Hubicka  <jh@suse.cz>
1374
1375         PR middle-end/20635
1376         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
1377         as needed.
1378
1379         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
1380         types where possible.
1381
1382 2005-03-26  Per Bothner  <per@bothner.com>
1383
1384         Make -f[no-]show-column also control non-cpp diagnostics.
1385         * c.opt (fshow-column): Move option from here ...
1386         * common.opt (fshow-column): ... to here.
1387         * diagnostic.c (diagnostic_build_prefix): Only print column number
1388         if flag_show_column.
1389
1390 2005-03-27  Steven Bosscher  <stevenb@suse.de>
1391
1392         * vax-protos.h (vax_output_int_move, vax_output_int_add,
1393         vax_output_conditional_branch): New prototypes.
1394         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
1395         extracted from vax.md mov and add patterns.
1396         (vax_output_conditional_branch): New function to output conditional
1397         branch instructions.
1398         * vax.md: Use mode macros for arithmetic and mov patterns.
1399         Use code macros for the jump patterns.
1400
1401 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1402
1403         * Makefile.in (libbackend.o): Depend on version files;
1404         add custom generation command.
1405
1406 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1407
1408         PR target/20636
1409         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
1410         sure that we have a REG before getting its REGNO.
1411
1412 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1413
1414         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
1415         * builtins.def (BUILT_IN_STRNDUP): New.
1416
1417 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
1418
1419         PR tree-optimization/20470
1420         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
1421         ABS(x-y).
1422
1423 2005-03-25  Mike Stump  <mrs@apple.com>
1424
1425         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
1426         sized objects.
1427
1428 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
1429
1430         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
1431         Use our own structure definitions.
1432
1433         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
1434         (fix_truncdfsi2): Allow registers or memory as destination.
1435         When TARGET_PPC_GFXOPT, generate simplified pattern.
1436         (fix_truncdfsi2_internal): Use define_insn_and_split.
1437         (fix_truncdfsi2_internal_gfxopt): New.
1438         (fctiwz): Don't confuse register allocation by giving it no choices.
1439         (stfiwx): New.
1440         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
1441         (EXTRA_MEMORY_CONSTRAINT): Likewise.
1442         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
1443         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
1444
1445 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1446
1447         * dominance.c (free_dominance_info): Speed up by freeing et
1448         data structures without maintaining other nodes.
1449         * et-forest.c (et_free_tree_force): New.
1450         * et-forest.h: Add a prototype for et_free_tree_force.
1451
1452         * tree.c (get_set_constructor_bits,
1453         get_set_constructor_bytes): Remove.
1454         * tree.h: Remove the corresponding prototypes.
1455
1456 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1457
1458         PR target/15491
1459         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
1460         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
1461         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
1462         PRE_DEC, NEG and NOT.
1463
1464 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1465
1466         * fold-const.c: Convert uses of fold (build (...)) to
1467         fold_buildN.
1468
1469 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
1470
1471         PR rtl-optimization/20249
1472         * cse.c (insert_regs): Do not record equivalence of registers in
1473         different modes.
1474
1475 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
1476
1477         * emit-rtl.c (reverse_comparison): Remove.
1478         * rtl.h: Remove the corresponding prototype.
1479
1480 2005-03-24  James E Wilson  <wilson@specifixinc.com>
1481
1482         * doc/install.texi (--enable-altivec): Delete docs.
1483
1484 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
1485
1486         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
1487         SFmode and DFmode before reload when
1488         flag_unsafe_math_optimizations not enabled.
1489
1490 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
1491
1492         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
1493
1494         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
1495         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
1496
1497 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1498
1499         * configure.ac (enable-checking): Add 'runtime' option.
1500         * doc/install.texi (enable-checking): Document 'runtime' checking.
1501         * tsystem.h (gcc_assert, gcc_unreachable): Define.
1502         * config.in: Regenerated.
1503         * configure: Regenerated.
1504
1505 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
1506
1507         * optabs.h (enum optab_index): Remove OTI_llrint.
1508         (llrint_optab): Remove macro.
1509         * optabs.c (init_optabs): Remove llrint_optab initialization.
1510         * genopinit.c (optabs): Remove llrint_optab implementation.
1511         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
1512         using lrint_optab.
1513
1514 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
1515
1516         PR rtl-optimization/20532
1517         * simplify-rtx.c (simplify_binary_operation_1): Protect from
1518         overflow when adding coefficients for PLUS or MINUS.
1519         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
1520         two as multiplier.
1521
1522 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1523
1524         * langhooks.h (truthvalue_conversion): Remove.
1525         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1526         LANG_HOOKS_TRUTHVALUE_CONVERSION.
1527         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
1528         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
1529         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
1530
1531 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
1532
1533         * params.def: Fix a typo.
1534         * config/mips/mips.c: Follow the spelling convensions.
1535         * doc/invoke.texi: Fix typos.
1536
1537 2005-03-18  Dale Johannese  <dalej@apple.com>
1538
1539         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
1540
1541 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
1542
1543         Fix PR tree-optimization/20601
1544
1545         * tree-ssa-pre.c (insert_aux): Add missing condition to
1546         constification.
1547
1548 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1549
1550         * final.c (final_scan_insn): Don't remove no-op instructions.
1551         * reload1.c (reload): Remove simple no-op instructions even when
1552         not optimizing.
1553
1554 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
1555
1556         PR tree-optimization/20501
1557         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
1558         reporting that peeling for alignment is applied moved to...
1559         * (vect_analyze_data_refs_alignment): Here.
1560
1561 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1562
1563         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
1564
1565 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1566
1567         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
1568         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
1569
1570 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
1571
1572         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
1573         imply that this is called once, independent of asms in code.
1574         Adjust to now being pased output and input lists.  Mention helper
1575         function decl_overlaps_hard_reg_set_p.
1576         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
1577         hook_tree_tree_identity and to take three trees, returning third.
1578         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
1579         prototype.
1580         * stmt.c: include hard-reg-set.h before tree.h.
1581         (decl_overlaps_hard_reg_set_p): New function, broken out from...
1582         (decl_conflicts_with_clobbers_p): Call
1583         decl_overlaps_hard_reg_set_p.
1584         (expand_asm_operands): Pass output and input lists in call to
1585         targetm.md_asm_clobbers.
1586         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
1587         hook_tree_tree_tree_tree_3rd_identity.
1588         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
1589         parameters.
1590         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
1591         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
1592         parameters, first two unused.
1593         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
1594         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
1595         in constraint letters and MOF is not mentioned as a asm-declared
1596         register in neither of the input and output lists.
1597
1598 2005-03-23  DJ Delorie  <dj@redhat.com>
1599
1600         * optabs.c (expand_binop): Make sure the first subword's result
1601         gets stored.
1602
1603 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1604
1605         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
1606         Call c_common_truthvalue_conversion rather than
1607         lang_hooks.truthvalue_conversion.
1608         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
1609         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
1610         c-typeck.c.
1611         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
1612         c_common_truthvalue_conversion.
1613         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
1614         c_parser_conditional_expression, c_parser_binary_expression): Call
1615         c_objc_common_truthvalue_conversion.
1616         * c-typeck.c (build_unary_op): Call
1617         c_objc_common_truthvalue_conversion.
1618         (build_conditional_expr): Do not call
1619         lang_hooks.truthvalue_conversion.
1620         (build_binary_op): Call c_common_truthvalue_conversion.
1621         (c_objc_common_truthvalue_conversion): Moved from
1622         c-objc-common.c.  Call default_function_array_conversion instead
1623         of default_conversion.
1624
1625 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1626
1627         * c-common.h (default_conversion): Remove.
1628         (perform_integral_promotions): Add.
1629         * c-tree.h (default_conversion): Add.
1630         * c-typeck.c (perform_integral_promotions): New, split out from
1631         default_conversion.
1632         * c-common.c (check_case_value): Use perform_integral_promotions,
1633         not default_conversion.
1634         (c_add_case_label): Don't continue processing case label after
1635         found to be pointer.
1636
1637 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
1638
1639         * gcc.c (do_spec_1): Do not add a -L path for a directory in
1640         the prefix list if we have already added a multilib directory
1641         based on that path.
1642         (main): Do not add MD_EXEC_PREFIX to the list of directories to
1643         search with -L.
1644
1645 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1646
1647         * reload1.c (indirect_symref_ok, reload_obstack): Make them
1648         static.
1649         * reload.h: Remove the prototype for indirect_symref_ok.
1650
1651         * reload1.c (indirect_symref_ok): Make it global.
1652         * reload.h: Add a prototype for indirect_symref_ok.
1653
1654 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1655
1656         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
1657         ashlhi3 expander.
1658
1659 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1660
1661         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
1662
1663 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
1664
1665         * c-opts.c (c_common_parse_file): Only start/end main source file
1666         if debug hooks says the writer wants it.
1667         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
1668         member.
1669         (xcoff_debug_hooks): Ditto.
1670         * debug.c (do_nothing_hooks): Ditto.
1671         * debug.h (gcc_debug_hooks): Ditto.
1672         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
1673         * sdbout.c (sdb_debug_hooks): Ditto.
1674         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
1675
1676 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
1677
1678         * doc/extend.texi: Deprecate C++ min/max operators.
1679
1680 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
1681
1682         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
1683         artificial original candidates.
1684
1685 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
1686             Jan Hubicka  <jh@suse.cz>
1687             Steven Bosscher <stevenb@suse.de>
1688
1689         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
1690         call cost based on argument sizes.
1691         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
1692         inlining.
1693         * params.def: (max-inline-inssn-single): Set to 450.
1694         (max-inline-insns-auto): Set to 90.
1695         (max-inline-insns-recursive): Set to 450
1696         (max-inline-insns-recursive-auto): Set to 450.
1697         (large-function-insns): Set to 2700.
1698         (inline-call-cost): New parameter.
1699         * tree-inline.c (estimate_move_cost): New function.
1700         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
1701         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
1702         based on arguments.
1703         * tree-inline.h (estimate_move_cost): Declare.
1704         * invoke.texi: (max-inline-inssn-single): Change default to 450.
1705         (max-inline-insns-auto): Change default to 90.
1706         (max-inline-insns-recursive): Change default to 450
1707         (max-inline-insns-recursive-auto): Change default to 450.
1708         (large-function-insns): Change default to 2700.
1709         (inline-call-cost): Document new parameter.
1710
1711 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1712
1713         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
1714         (TARGET_DEFAULT): Delete.
1715         * config/i860/i860.opt: New file.
1716
1717 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1718
1719         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
1720         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1721         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1722         (frv_sched_lookahead): Delete.
1723         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
1724         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
1725         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
1726         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
1727         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
1728         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
1729         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
1730         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
1731         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
1732         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
1733         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
1734         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
1735         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
1736         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
1737         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
1738         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
1739         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
1740         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
1741         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
1742         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
1743         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
1744         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
1745         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
1746         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1747         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1748         (frv_sched_lookahead): Delete.
1749         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
1750         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1751         (frv_handle_option): New function.  Move -mcpu= handling from...
1752         (frv_override_options): ...here.  Remove handling of other
1753         TARGET_OPTIONS.
1754         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
1755         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
1756         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
1757         and TARGET_NO_MULTI_CE.
1758         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
1759         !TARGET_VLIW_BRANCH.
1760         * config/frv/frv.opt: New file.
1761
1762 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1763
1764         * fold-const.c (fold_ternary): Take decomposed arguments of
1765         CALL_EXPR.
1766         (fold): Update a call to fold_ternary.
1767
1768         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
1769         * tree.h: Add corresponding prototypes.
1770
1771 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
1772
1773         PR target/20561
1774         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
1775         between jump table and its label.
1776         * final.c (shorten_branches): Handle notes in between ADDR_VEC
1777         resp. ADDR_DIFF_VEC and the label preceeding it.
1778         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
1779         is emitted in the right section.
1780
1781 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1782
1783         * fold-const.c (fold_unary, fold_binary): Update comments
1784         about arguments.
1785
1786 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
1787
1788         PR rtl-optimization/20527
1789         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
1790         REG_INC note, test that the register also isn't mentioned in PRED
1791         or SUCC.
1792
1793 2005-03-22  Ben Elliston  <bje@au.ibm.com>
1794
1795         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
1796         and definition.
1797
1798 2005-03-21  Mike Stump  <mrs@apple.com>
1799
1800         * varasm.c (default_assemble_visibility): Remove extra ().
1801
1802 2005-03-21  Roger Sayle  <roger@eyesopen.com>
1803
1804         PR middle-end/20557
1805         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
1806         to determine whether a block can be duplicated, rather than test
1807         whether the block contains noncopyable insns ourselves.
1808
1809 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1810
1811         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
1812         predicates.
1813
1814 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1815
1816         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
1817
1818 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1819
1820         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
1821         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
1822         * config/fr30/fr30.opt: New file.
1823
1824 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
1825
1826         Fix PR tree-optimization/20542
1827
1828         * tree-flow-inline.h (overlap_subvar): Move to here.
1829         * tree-ssa-operands.c: From here.
1830         * tree-flow.h (overlap_subvar): Declare.
1831         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
1832         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
1833         for variables with subvars.
1834
1835 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
1836
1837         PR middle-end/20177
1838         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
1839         * modulo-sched.c (const_iteration_count): Return on NULL
1840         pre-header.
1841         (print_node_sched_params): Return on NULL dump_file.
1842         (generate_reg_moves): Handle reg-anti dependencies and disregard
1843         closing branch when generating register moves.
1844         (sms_schedule): Mark the SMSed block dirty.
1845         * passes.c (rest_of_handle_sms): Call update_life_info for all
1846         basic-blocks.
1847         * testsuite/gcc.dg/20050321-1.c: New test.
1848
1849 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1850
1851         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
1852         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
1853         movqi_internal): Likewise.
1854
1855 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1856
1857         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
1858         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
1859         xtensa_b4const): Delete prototypes.
1860         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
1861         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
1862         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
1863         xtensa_extra_constraint): New prototypes.
1864         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1865         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1866         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1867         move_operand, const_float_1_operand, fpmem_offset_operand,
1868         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
1869         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
1870         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
1871         argument type to HOST_WIDE_INT.
1872         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
1873         xtensa_mask_immediate): Likewise.
1874         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
1875         Likewise.  Also make these functions static.
1876         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
1877         (xtensa_const_ok_for_letter_p): New.
1878         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1879         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1880         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1881         move_operand, const_float_1_operand, fpmem_offset_operand,
1882         branch_operator, ubranch_operator, boolean_operator): Move to
1883         predicates.md.
1884         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
1885         (xtensa_mem_offset): Change return type to bool.
1886         (xtensa_extra_constraint): New.
1887         (gen_int_relational): Update type of const_range_p function pointer.
1888         Use xtensa_b4const_or_zero.
1889         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
1890         xtensa_const_ok_for_letter_p.  Update comments.
1891         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
1892         (PREDICATE_CODES): Delete.
1893         * config/xtensa/xtensa.md: Include predicates.md.
1894         * config/xtensa/predicates.md: New file.
1895
1896 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1897
1898         * config/v850/v850-protos.h: Remove the prototypes for
1899         reg_or_int9_operand, reg_or_const_operand,
1900         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
1901         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
1902         movsi_source_operand, power_of_two_operand,
1903         not_power_of_two_operand, special_symbolref_operand,
1904         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
1905         register_is_ok_for_epilogue.
1906         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
1907         reg_or_int9_operand, reg_or_const_operand,
1908         call_address_operand, special_symbolref_operand,
1909         movsi_source_operand, power_of_two_operand,
1910         not_power_of_two_operand, register_is_ok_for_epilogue,
1911         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
1912         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
1913         predicates.md.
1914         * config/v850/v850.h (PREDICATE_CODES): Remove.
1915         * config/v850/v850.md: Include predicates.md.
1916         * config/v850/predicates.md: New.
1917
1918 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
1919
1920         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
1921         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1922         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
1923         (itoolsdir, itoolsdatadir): Move definition above new first use.
1924         (install-itoolsdirs): New rule.
1925         (install-mkheaders): Depend on install-itoolsdirs, not
1926         install-include-dir.
1927
1928 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1929
1930         * tree-into-ssa.c: Remove obsolete comments.
1931
1932 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
1933
1934         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
1935         unrolling if -fpeel-loops is specified, too.
1936         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1937         Remove superfluous check for flag_unroll_loops.
1938
1939 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
1940
1941         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
1942         (lrint_optab, llrint_optab): Define corresponding macros.
1943         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
1944         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
1945         pattern and llrint_optab using llrintdi2 patterns.
1946         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
1947         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
1948         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
1949         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
1950         flag_unsafe_math_optimizations is set.
1951
1952 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
1953
1954         * combine.c (combine_simplify_rtx, simplify_if_then_else,
1955         simplify_logical, if_then_else_cond, known_cond,
1956         simplify_comparison): Adjust calls to reverse_comparison.
1957         Don't use combine_reversed_comparison_code).
1958         (combine_reversed_comparison_code): Remove.
1959         (reversed_comparison): Using reversed_comparison_code, move it...
1960         * jump.c (reversed_comparison): ... here.
1961         * rtl.h (reversed_comparison): Add prototype.
1962
1963 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1964
1965         * builtins.c (fold_builtin): Take decomposed arguments of
1966         CALL_EXPR.
1967         * fold-const.c (fold_ternary): Update a call to fold_builtin.
1968         * gimplify.c (gimplify_call_expr): Likewise.
1969         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
1970         * tree.h: Update the prototype of fold_builtin.
1971
1972 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
1973
1974         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
1975         * rtlhooks.c (gen_lowpart_no_emit_general): New.
1976         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
1977         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
1978         * simplify-rtx.c (simplify_binary_operation_1): Use it.
1979
1980 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1981
1982         * builtins.c (fold_builtin_1): Take decomposed arguments of
1983         CALL_EXPR.
1984         (fold_builtin): Update a call to fold_builtin_1.
1985
1986 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
1987
1988         PR other/20564
1989         * gcov.c (output_lines): Only output function block summary when
1990         outputting branch information.
1991         * doc/gcov.texi: Document format of preamble and additional block
1992         information lines.
1993
1994 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1995
1996         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
1997         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
1998         the defaults false if BITS_PER_UNIT != 8.
1999         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2000         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2001         than BITS_PER_UNIT != 8.
2002         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2003         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2004         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2005         #undefs.
2006         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2007         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2008
2009 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2010
2011         PR middle-end/20539
2012         * fold-const.c (fold_binary): Fix type mismatch between
2013         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2014         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2015         for non-truth-valued expressions.
2016
2017         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2018         and FUNCTION_DECL in the main switch.
2019         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2020         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2021         we also need to convert their operands to match.
2022         <TRUTH_NOT_EXPR>: Likewise.
2023
2024 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2025
2026         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2027         diagnostic without checking whether an lvalue.
2028         * c-common.h (lvalue_p): Remove.
2029         (enum lvalue_use): Update comment.
2030         (lvalue_or_else): Replace by lvalue_error.
2031         * c-typeck.c (lvalue_p): Make static.
2032         (lvalue_or_else): New.  Call lvalue_error.
2033
2034 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2035
2036         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2037         (function_arg_advance): Use rs6000_parm_start.
2038         (function_arg, rs6000_arg_partial_bytes): Likewise.
2039
2040 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2041
2042         * c-common.c (check_case_value): Adjust comment about stripping
2043         NOPs.
2044         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2045         * c-typeck.c (default_conversion, convert_arguments,
2046         build_modify_expr, convert_for_assignment, store_init_value,
2047         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2048         manually.  Remove inaccurate comments.
2049
2050 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2051             Joseph S. Myers  <joseph@codesourcery.com>
2052
2053         * varasm.c (do_assemble_alias): Restore comment describing function.
2054         Annotate the target parameter as potentially unused.
2055
2056 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2057
2058         PR target/18551
2059         * config/avr/avr.c (avr_output_function_prologue): Do not use
2060         current_function_name() in a label, use a local label instead.
2061
2062 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2063
2064         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2065         flag_finite_math_only, not flag_unsafe_math_optimizations.
2066
2067 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2068
2069         * builtins.c (fold_builtin_1): Update a call to
2070         targetm.fold_builtin.
2071         * hooks.c (hook_tree_tree_bool_null): Rename to
2072         hook_tree_tree_tree_bool_null.  Take one more argument of type
2073         tree.
2074         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2075         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2076         hook_tree_tree_tree_bool_null.
2077         * target.h (gcc_target): Update the prototype of fold_builtin.
2078         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2079         arguments of CALL_EXPR.
2080         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2081         new prototype.
2082
2083 2005-03-20  Jan Hubicka  <jh@suse.cz>
2084
2085         * cgraph.h (cgraph_node): Add prev_clone pointer.
2086         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2087         (cgraph_clone_node): Produce doubly linked chain.
2088
2089 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2090
2091         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2092         get_nonnull_operand, handle_sentinel_attribute,
2093         check_function_arguments_recurse): Do not strip NOPS from
2094         INTEGER_CSTs.
2095         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2096         Likewise.
2097         * c-format.c (get_constant): Likewise.
2098         * c-parser.c (c_parser_postfix_expression): Likewise.
2099         * c-typeck.c (set_init_index): Likewise.
2100         (convert_arguments): Don't check for NOP_EXPR containing integer
2101         constant.
2102
2103 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2104
2105         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2106         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2107         Take decomposed arguments of CALL_EXPR.
2108         (fold_builtin_1): Update calls to the functions mentioned
2109         above.
2110
2111 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2112
2113         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2114         width to have integer type.
2115         (build_enumerator): Require enumerator value to have integer type.
2116
2117 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2118
2119         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2120         to __builtin_inff.
2121
2122 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2123
2124         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2125         std=iso9899:199x): Correct descriptions.
2126
2127 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2128
2129         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2130         solaris2.1[0-9].
2131
2132 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2133
2134         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2135         of CALL_EXPR.
2136         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2137         fold_builtin_memcpy.
2138
2139         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2140         arguments of CALL_EXPR.
2141         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2142         fold_builtin_found, fold_builtin_1): Update calls to
2143         fold_trunc_transparent_mathfn.
2144
2145 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2146
2147         PR middle-end/20493
2148         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2149         function pointers on targets that require function pointer
2150         canonicalization.
2151         (fold_sign_changed_comparison): Likewise.
2152
2153 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2154
2155         * combine.c (try_combine): When changing the mode of a hard reg, make
2156         sure that doing so is valid.
2157
2158 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2159
2160         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2161         (TARGET_HANDLE_OPTION): Override default.
2162         (avr_handle_option): New function.
2163         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2164         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2165         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2166         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2167         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2168         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2169         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2170         (TARGET_OPTIONS): Delete.
2171         * config/avr/avr.opt: New file.
2172
2173 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2174
2175         * config/m32r/m32r-protos.h: Remove the prototypes for
2176         call_address_operand, symbolic_operand, seth_add3_operand,
2177         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2178         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2179         two_insn_const_operand, move_src_operand,
2180         move_double_src_operand, move_dest_operand,
2181         eqne_comparison_operator, signed_comparison_operator,
2182         large_insn_p, conditional_move_operand, carry_compare_operand,
2183         m32r_block_immediate_operand, extend_operand,
2184         reg_or_eq_int16_operand, int8_operand, and
2185         reg_or_zero_operand.
2186         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2187         seth_add3_operand, int8_operand, cmp_int16_operand,
2188         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2189         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2190         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2191         move_double_src_operand, move_dest_operand,
2192         eqne_comparison_operator, signed_comparison_operator,
2193         extend_operand, small_insn_p, large_insn_p,
2194         conditional_move_operand, carry_compare_operand,
2195         m32r_block_immediate_operand): Move to predicates.md.
2196         (MAX_MOVE_BYTES): Move to m32r.h.
2197         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2198         * config/m32r/m32r.md: Include predicates.md.
2199         * config/m32r/predicates.md: New.
2200
2201 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2202
2203         PR c++/19769
2204         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2205         origin.
2206
2207 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2208
2209         * config/mn10300/mn10300-protos.h: Remove the prototypes for
2210         call_address_operand, const_8bit_operand.
2211         * config/mn10300/mn10300.c (call_address_operand,
2212         const_8bit_operand, const_1f_operand): Move to predicates.md.
2213         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
2214         * config/mn10300/mn10300.md: Include predicates.md.
2215         * config/mn10300/predicates.md: New.
2216
2217 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
2218
2219         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
2220         declarations in diagnostics and %E for identifiers, not %s.
2221
2222 2005-03-18  Jan Hubicka  <jh@suse.cz>
2223             Dale Johannesen  <dalej@apple.com>
2224
2225         * basic-block.h (scale_bbs_frequencies_int,
2226         scale_bbs_frequencies_gcov_type): Declare.
2227         * cfg.c (RDIV): New macro.
2228         (update_bb_frequency_for_threading): Fix.
2229         * basic-block.h (scale_bbs_frequencies_int,
2230         scale_bbs_frequencies_gcov_type): New.
2231         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
2232         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
2233         scale_bbs_frequencies_int.
2234         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
2235
2236 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2237
2238         * config/m32r/m32r-protos.h: Remove the prototypes for
2239         call_address_operand, symbolic_operand, seth_add3_operand,
2240         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2241         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2242         two_insn_const_operand, move_src_operand,
2243         move_double_src_operand, move_dest_operand,
2244         eqne_comparison_operator, signed_comparison_operator,
2245         large_insn_p, conditional_move_operand, carry_compare_operand,
2246         m32r_block_immediate_operand, extend_operand,
2247         reg_or_eq_int16_operand, int8_operand, and
2248         reg_or_zero_operand.
2249         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2250         seth_add3_operand, int8_operand, cmp_int16_operand,
2251         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2252         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2253         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2254         move_double_src_operand, move_dest_operand,
2255         eqne_comparison_operator, signed_comparison_operator,
2256         extend_operand, small_insn_p, large_insn_p,
2257         conditional_move_operand, carry_compare_operand,
2258         m32r_block_immediate_operand): Move to predicates.md.
2259         (MAX_MOVE_BYTES): Move to m32r.h.
2260         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2261         * config/m32r/m32r.md: Include predicates.md.
2262         * config/m32r/predicates.md: New.
2263
2264         * config/pa/pa-protos.h: Add prototypes for magic_milli and
2265         shadd_constant_p.
2266         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
2267         symbolic_operand, symbolic_memory_operand,
2268         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
2269         indexed_memory_operand, move_dest_operand, move_src_operand,
2270         prefetch_cc_operand, prefetch_nocc_operand,
2271         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
2272         arith_operand, arith11_operand, pre_cint_operand,
2273         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
2274         ireg_operand, int5_operand, uint5_operand, int11_operand,
2275         uint32_operand, arith5_operand, and_operand, ior_operand,
2276         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
2277         pc_or_label_operand, div_operand, plus_xor_ior_operator,
2278         shadd_operand, movb_comparison_operator,
2279         cmpib_comparison_operator): Move to predicates.md.
2280         (magic_milli, shadd_constant_p): Make it extern.
2281         * config/pa/pa.h (PREDICATE_CODES): Remove.
2282         * config/pa/pa.md: Include predicates.md.
2283         * config/pa/predicates.md: New.
2284
2285         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
2286         predicate.
2287
2288 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2289
2290         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
2291         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2292         config/alpha/freebsd.h, config/alpha/linux.h,
2293         config/alpha/netbsd.h, config/alpha/osf5.h,
2294         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
2295         config/h8300/h8300-protos.h, config/h8300/h8300.c,
2296         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
2297         doc/cppopts.texi: Update copyright.
2298
2299 2005-03-18  Jan Hubicka  <jh@suse.cz>
2300
2301         PR middle-end/20225
2302         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
2303         too late.
2304         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
2305         called too late.
2306
2307 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2308
2309         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
2310         VEC_safe_push.
2311
2312 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
2313
2314         * combine.c (gen_binary): Remove.
2315         (known_cond, simplify_shift_const, find_split_point,
2316         combine_simplify_rtx, simplify_if_then_else, simplify_set,
2317         simplify_logical, expand_field_assignment, extract_left_shift,
2318         force_to_mode, if_then_else_cond, apply_distributive_law,
2319         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
2320         simplify_comparison, reversed_comparison): Replace with
2321         simplify_gen_binary, simplify_gen_relational or
2322         distribute_and_simplify_rtx.
2323         (distribute_and_simplify_rtx): New function.
2324
2325 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2326             Paolo Bonzini  <gcc.gnu.org>
2327
2328         * calls.c (setjmp_call_p, special_function_p): Update comments
2329         at the head of the functions.
2330
2331 2005-03-18  Jan Hubicka  <jh@suse.cz>
2332
2333         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
2334
2335         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
2336         function body should be released; do not proactively release function
2337         bodies in non-unit-at-a-time mode.
2338
2339 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
2340
2341         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
2342         mno-fp-ret-in-387 multilib variants.
2343
2344 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
2345
2346         * common.opt (m): Remove.
2347         * opts.c (handle_option): Pass 'm' options to set_target_switch if
2348         table lookup fails.
2349         (common_handle_option): Remove OPT_m case.
2350
2351 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2352
2353         * builtins.c (fold_builtin_bitop): Take decomposed arguments
2354         of CALL_EXPR.
2355         (fold_builtin_1): Update a call to fold_builtin_bitop.
2356
2357         * builtins.c (fold_builtin_signbit): Take decomposed arguments
2358         of CALL_EXPR.
2359         (fold_builtin_1): Update a call to fold_builtin_signbit.
2360
2361 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
2362
2363         PR tree-optimization/20474
2364         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
2365         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
2366
2367 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2368
2369         * config/h8300/h8300-protos.h: Remove prototypes for
2370         general_operand_src, general_operand_dst, single_one_operand,
2371         single_zero_operand, call_insn_operand,
2372         two_insn_adds_subs_operand, small_call_insn_operand,
2373         jump_address_operand, bit_operand, bit_memory_operand,
2374         stack_pointer_operand, const_int_gt_2_operand,
2375         const_int_ge_8_operand, const_int_qi_operand,
2376         const_int_hi_operand, incdec_operand, bit_operator,
2377         nshift_operator, eqne_operator, gtle_operator,
2378         gtuleu_operator, iorxor_operator.
2379         Add prototypes for h8sx_shift_type h8sx_classify_shift and
2380         h8300_ldm_stm_parallel.
2381         * config/h8300/h8300.c (h8sx_shift_type,): Move to
2382         h8300-protos.h.
2383         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
2384         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
2385         (h8300_ldm_stm_parallel): Make it extern.
2386         (h8300_ldm_parallel, h8300_stm_parallel,
2387         h8300_return_parallel, general_operand_src,
2388         general_operand_dst, h8300_dst_operand, h8300_src_operand,
2389         nibble_operand, reg_or_nibble_operand, single_one_operand,
2390         single_zero_operand, call_insn_operand,
2391         two_insn_adds_subs_operand, small_call_insn_operand,
2392         jump_address_operand, bit_operand, bit_memory_operand,
2393         stack_pointer_operand, const_int_gt_2_operand,
2394         const_int_ge_8_operand, const_int_qi_operand,
2395         const_int_hi_operand, incdec_operand, eqne_operator,
2396         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
2397         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
2398         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
2399         nshift_operator): Move to predicates.md.
2400         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
2401         * config/h8300/h8300.md: Include predicates.md.
2402         * config/h8300/predicates.md: New.
2403
2404 2005-03-17  Richard Henderson  <rth@redhat.com>
2405
2406         * config.gcc (ia64*-*-hpux*): Add extra_options.
2407         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
2408         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2409         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
2410         (ia64_tls_size_string, ia64_tune_string): Remove.
2411         (ia64_tune): Init to PROCESSOR_ITANIUM2.
2412         (TARGET_DEFAULT_TARGET_FLAGS): New.
2413         (TARGET_HANDLE_OPTION): New.
2414         (ia64_override_options): Move options parsing ...
2415         (ia64_handle_option): ... here.  New.
2416         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
2417         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
2418         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
2419         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
2420         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
2421         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
2422         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
2423         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
2424         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
2425         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
2426         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
2427         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
2428         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
2429         TARGET_EARLY_STOP_BITS): Remove.
2430         (TARGET_ILP32): Default false.
2431         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
2432         (enum ia64_inline_type): New.
2433         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2434         * config/ia64/ia64.md: Update for new definitions of
2435         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
2436         * config/ia64/ia64.opt: New file.
2437         * config/ia64/ilp32.opt: New file.
2438
2439 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2440
2441         PR target/18380
2442         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
2443
2444 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2445
2446         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
2447         instead of MASK_H8300S.
2448         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
2449         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
2450         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
2451         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
2452         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
2453         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
2454         TARGET_SWITCHES): Remove.
2455         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
2456         TARGET_H8300SX.
2457         * config/h8300/h8300.opt: New.
2458
2459         * config/alpha/alpha.opt, config/arc/arc.opt,
2460         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
2461         notices.
2462
2463 2005-03-17  Ian Lance Taylor  <ian@airs.com>
2464
2465         * gmon.c: Remove.
2466
2467 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
2468
2469         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
2470         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
2471         (TARGET_HANDLE_OPTION): Override default.
2472         (arc_handle_option): New function.
2473         (arc_init): Remove code to set arch_cpu_string.
2474         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
2475         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
2476         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
2477         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
2478         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
2479         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
2480         (arc_rodata_string, TARGET_OPTIONS): Delete.
2481         * config/arc/arc.opt: New file.
2482
2483 2005-03-17  Richard Henderson  <rth@redhat.com>
2484
2485         * doc/extend.texi (Weak Pragmas): New section.
2486         (attribute alias): Clarify that target must be in the same
2487         translation unit.
2488
2489 2005-03-17  Richard Henderson  <rth@redhat.com>
2490
2491         * config/alpha/alpha.opt: New file.
2492         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
2493         of alpha_cpu.
2494         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
2495         alpha_fprm_string, alpha_fptm_string): Make static.
2496         (alpha_tls_size_string): Remove.
2497         (alpha_handle_option): New.
2498         (override_options): Update for alpha_cpu/alpha_tune split.
2499         (alpha_file_start): Likewise.
2500         (TARGET_DEFAULT_TARGET_FLAGS): New.
2501         (TARGET_HANDLE_OPTION): New.
2502         * config/alpha/alpha.h (alpha_tune): Declare.
2503         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
2504         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
2505         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
2506         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
2507         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
2508         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
2509         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
2510         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
2511         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
2512         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
2513         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
2514         (TARGET_DEFAULT): Remove MASK_FP.
2515         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
2516         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
2517         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
2518         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
2519         alpha_tls_size_string): Remove.
2520         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
2521         (attribute tune): Rename from attribute cpu.
2522         * config/alpha/ev4.md: Update to match.
2523         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
2524         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
2525         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
2526         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
2527         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
2528         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
2529
2530 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
2531
2532         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
2533         and return without creating new state if before_nops_num is nonzero.
2534         * config/ia64/ia64.md (first_insn): New attribute.
2535         (alloc): Set it to yes.
2536
2537 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2538
2539         * tree-vectorizer.c (new_vec_stmt_info): Initialize
2540         STMT_VINFO_SUBVARS to NULL.
2541         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2542
2543 2005-03-16 Dale Johannesen  <dalej@apple.com>
2544
2545         * rtlanal.c (find_first_parameter_load):  Rewrite to
2546         return actual first param load or the call if none,
2547         instead of first in block, when not all loads exist.
2548
2549 2005-03-16  Roger Sayle  <roger@eyesopen.com>
2550
2551         * optabs.c (expand_copysign_absneg): Make static.
2552         * optabs.h (expand_copysign_absneg): Delete prototype.
2553         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
2554
2555 2005-03-16  Richard Henderson  <rth@redhat.com>
2556
2557         PR middle-end/15700
2558         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
2559         (alias_pairs): Rename from output_defs.
2560         (find_decl_and_mark_needed): Split out from assemble_alias.
2561         (do_assemble_alias): New.
2562         (assemble_output_def): Remove.
2563         (finish_aliases_1, finish_aliases_2): New.
2564         (process_pending_assemble_output_defs): Remove.
2565         (assemble_alias): Defer aliases for which we don't yet have a
2566         non-external decl for the target symbol.
2567         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
2568         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
2569         * toplev.c (compile_file): Use finish_aliases_2 instead of
2570         process_pending_assemble_output_defs.
2571         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
2572         (process_pending_assemble_output_defs): Remove.
2573
2574 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2575
2576         Fix PR tree-optimization/20489
2577
2578         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
2579         for empty structures.
2580
2581 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2582
2583         Fix PR tree-optimization/20490
2584
2585         * tree-ssa-pre.c (create_expression_by_pieces): Use
2586         force_gimple_operand on result of fold.
2587
2588 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
2589
2590         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
2591         of closing parenthesis.
2592
2593 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * builtins.c (expand_movstr): Update a call to
2596         fold_builtin_strcpy.
2597         (expand_builtin_strncpy): Update a call to
2598         fold_builtin_strncpy.
2599         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
2600         arguments of CALL_EXPR.
2601         (fold_builtin_1): Update calls to fold_builtin_strcpy and
2602         fold_builtin_strncpy.
2603         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2604         * tree.h: Update the prototypes of fold_builtin_strcpy and
2605         fold_builtin_strncpy.
2606
2607 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2608             Dorit Naishlos  <dorit@il.ibm.com>
2609
2610         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
2611         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
2612         error.
2613
2614 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2615
2616         * tree-inline.c (walk_type_fields, walk_tree,
2617         walk_tree_without_duplicates): Move from here...
2618         * tree.c: ...to here.
2619
2620 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
2621
2622         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
2623         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
2624         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2625         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
2626         (version): Define using $(BASEVER_c).
2627         (Makefile, config.status, build/gcov-iov.o): No longer depends on
2628         version.c.
2629         (version.o): Depend on version files; add custom generation command.
2630         (prefix.o): Define BASEVER on command line.
2631         (s-iov): Depend on version files; adjust command.
2632         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
2633         Add gcc-vers.texi.
2634         (gcc-vers.texi): New rule.
2635         (doc/%.info, doc/%.dvi): Add -I . to command line.
2636         (doc/gccinstall.dvi): Likewise.
2637         (PACKAGE): Delete.  All uses replaced with "gcc".
2638         * aclocal.m4: Do not include gcc-version.m4.
2639         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
2640         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
2641         Set is_release based on contents of DEV-PHASE.
2642         Set gcc_version based on contents of BASE-VER.
2643         Define WIN32_REGISTRY_KEY only if the user overrode the default.
2644         * config.in, configure: Regenerate.
2645         * gccbug.in: Determine version of GCC in use at runtime.
2646         * gcov-iov.c: Get version number and development phase from
2647         command line, not by including version.c.
2648         * intl.c: Replace all uses of PACKAGE with "gcc".
2649         * libada-mk.in: Delete unused "gcc_version" variable.
2650         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
2651         * version.c: (VERSUFFIX): New hook for redistributors; adjust
2652         commentary to match.
2653         (version_string): Put together from pieces.
2654         * config/alpha/x-vms: Do not use $(gcc_version).
2655         * config/i386/t-nwld: Likewise.
2656         * doc/include/gcc-common.texi: Include gcc-vers.texi for
2657         version-GCC and DEVELOPMENT.
2658
2659 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2660
2661         PR tree-optimization/17454
2662         * tree.c (tree_size): Add case for TREE_BINFO.
2663         * fold-const.c (fold_checksum_tree): Only clear the overloaded
2664         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
2665
2666 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2667
2668         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
2669         op1 whilst expanding the signed widenening multiply variant.
2670
2671 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
2672
2673         * toplev.c (display_target_options): Avoid unused variable warning if
2674         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
2675         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
2676         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
2677         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
2678         (mips_isa_info): New variable.
2679         (mips_parse_cpu): Remove the first argument and leave the caller
2680         to report errors.
2681         (TARGET_HANDLE_OPTION): Override default.
2682         (mips_handle_option): New function.  Move option validation code from...
2683         (override_options): ...here.  Update calls to mips_parse_cpu.
2684         * config/mips/mips.h (mips_arch_string, mips_tune_string)
2685         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
2686         (SUBTARGET_TARGET_OPTIONS): Delete.
2687         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
2688         (mno-flush-func, mtune=): New options.
2689
2690 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2691             Richard Henderson  <rth@redhat.com>
2692
2693         * real.c (c4x_single_format, c4x_extended_format): Provide values
2694         for signbit_ro for c4x's single and extended floating point formats.
2695         * optabs.c (expand_copysign): Use the floating point format's
2696         signbit_ro for expanding via expand_copysign_absneg, and it's
2697         signbit_rw field for expanding via expand_copysign_bit.
2698
2699 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
2700
2701         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
2702         known_alignment_for_access_p.
2703         (known_alignment_for_access_p): New.
2704         (do_peeling_for_alignment): Field made int instead of bool and renamed
2705         to peeling_for_alignment.
2706         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
2707         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
2708         functionality used to be in vect_analyze_operations.
2709         (vect_analyze_operations): Code to determine vectorization factor was
2710         moved to vect_determine_vectorization_factor.
2711         (vect_enhance_data_refs_alignment): Update to correct alignment when it
2712         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
2713         factor.
2714         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
2715         be part of vect_analyze_operations).
2716         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
2717         creating the guard condition, as the number of iterations may be
2718         constant.
2719         (slpeel_tree_peel_loop_to_edge): Use new name of
2720         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
2721         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
2722         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
2723         (vect_do_peeling_for_alignment): Use fold.
2724         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
2725
2726         (vect_update_inits_of_dr): Renamed to
2727         vect_update_init_of_dr.
2728         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
2729         (vectorizable_store): Fix assertion to use == instead of =.
2730
2731 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
2732
2733         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
2734         call_used_regs for wCG registers.
2735
2736 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
2737
2738         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2739         for non-offsettable memory references to cope with outstanding reload
2740         replacements, take 2.
2741
2742 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
2743
2744         PR target/18668
2745         * config/i386/i386.h (x86_fisttp): New.
2746         (TARGET_FISTTP): New macro.
2747         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
2748         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
2749         instruction when fisttp flag is set.
2750         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
2751
2752         * config/i386/i386.md (type attribute): Add fisttp.
2753         (unit attribute): Set to i387 for fisttp type.
2754         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
2755         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
2756         TARGET_FISTTP.
2757         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
2758         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
2759         macros.
2760         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
2761         patterns for TARGET_FISTTP.  Enable patterns for
2762         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
2763         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
2764         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
2765         implement fisttp x87 insn.
2766         (fix_trunc*_i387_fisttp splitters): New patterns.
2767         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
2768         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
2769         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
2770         clobber.
2771         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
2772         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
2773         Implement using mode macros. Disable patterns for TARGET_FISTTP.
2774         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
2775         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
2776         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
2777         Disable patterns for TARGET_FISTTP.
2778         (fix_trunc*_i387 splitters): Implement usign mode macros.
2779         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
2780         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
2781         (fix_trunx*_sse peephole2s): Implement using mode macros.
2782
2783 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
2784
2785         PR rtl-optimization/20291
2786         * combine.c (try_combine): If splitting fails, re-try with
2787         original combined pattern, i.e. before clobber stripping.
2788
2789 2005-03-14  Eric Christopher  <echristo@redhat.com>
2790
2791         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
2792         STACK_GROWS_DOWNWARD.
2793
2794 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2795
2796         * real.h (struct real_format): Split the signbit field into two
2797         two fields, signbit_ro and signbit_rw.
2798         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
2799         mips_double_format, ieee_extended_motorola_format,
2800         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
2801         ieee_extended_intel_128_format, ibm_extended_format,
2802         mips_extended_format, ieee_quad_format, mips_quad_format,
2803         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
2804         i370_double_format, c4x_single_format, c4x_extended_format,
2805         real_internal_format): Update initializers for new field.
2806         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
2807         real_format structure.
2808         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
2809         field of the real_format structure.
2810
2811 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
2812
2813         Fix PR tree-optimization/20458
2814
2815         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
2816         DECL_EXTERNAL on STRUCT_FIELD tags.
2817         (clear_call_clobbered): Ditto.
2818         * tree-ssa-operands.c (note_addressable): Make sure the original
2819         variable doesn't slip into the addressable list if we have
2820         subvars.
2821         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
2822         tags too.
2823
2824 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
2825
2826         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
2827         (-fwide-exec-charset): Likewise.
2828         (-finput-charset): Likewise.
2829         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
2830         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
2831         * c.opt (Wnormalized): New.
2832
2833 2005-03-14  Devang Patel  <dpatel@apple.com>
2834
2835         * doc/invoke.texi: Add reference to Visibility document.
2836
2837 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2838
2839         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
2840         MASK_SPLIT_ADDRESSES.
2841         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
2842         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
2843         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
2844         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
2845         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
2846         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
2847         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
2848         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
2849         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
2850         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
2851         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
2852         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
2853         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
2854         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
2855         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
2856         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
2857         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
2858         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
2859         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
2860         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
2861         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
2862         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
2863         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
2864         (TARGET_EXPLICIT_RELOCS): Delete.
2865         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
2866         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
2867         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2868         (override_options): Set MASK_LONG64 if -mint64 is given and no
2869         -mlongXX option is.  Complain about -mint64 -mlong32.
2870         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
2871         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
2872         * config/mips/mips.opt: New file.
2873
2874 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2875
2876         * config.gcc (extra_options): New variable for listing option files.
2877         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
2878         * configure.ac (extra_opt_files): New AC_SUBST variable.
2879         (tm_file_list, tm_include_list): Include options.h first.
2880         * configure: Regenerate.
2881         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
2882         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
2883         (s-options-h): New rule.
2884         (options.h): Depend on it.
2885         (TEXI_GCCINT_FILES): Add options.texi.
2886         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
2887         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
2888         * target.h (gcc_target): Add default_target_flags and handle_option.
2889         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
2890         (TARGET_HANDLE_OPTION): New macros.
2891         (TARGET_INITIALIZER): Include them.
2892         * opt-functions.awk (opt_args, nth_arg): New functions.
2893         (switch_flags): Handle the "Target" flag.
2894         (var_args): Delete.
2895         (var_name): Use opt_args and nth_arg.
2896         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
2897         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
2898         macros for the "Mask" and "InverseMask" options.
2899         * opts.h (cl_var_cond): New enum.
2900         (cl_option): Replace the "has_set_value" and "set_value" fields with
2901         "var_cond" and "var_value".
2902         (CL_TARGET): New macro.
2903         (option_enabled, print_filtered_help): Declare.
2904         (decode_options): Move definition.
2905         * opts.c (handle_option): Search for the original option before
2906         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
2907         var_cond and var_value fields.  Use targetm.handle_option to handle
2908         target options.
2909         (decode_options): Set target_flags to targetm.default_target_flags.
2910         (print_filtered_help): Make global.  Handle CL_TARGET.
2911         (option_enabled): New function.
2912         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
2913         (display_target_options, set_target_switch, print_switch_values)
2914         (default_pch_valid_p): Guard uses of target_switches with
2915         #ifdef TARGET_SWITCHES.  Also...
2916         (display_target_options): Display the CL_TARGET entries in cl_options.
2917         (set_target_option): Don't complain about the "" option when
2918         TARGET_SWITCHES is undefined.
2919         (print_switch_values): Use option_enabled.
2920         (default_pch_valid_p): Check cl_options[] when looking for something
2921         that has changed the value of target_flags.
2922         * c.opt: Remove documentation from top of file.
2923         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
2924         * doc/sourecebuild.texi: Refer to the new options documentation
2925         instead of c.opt.  Document machine-specific .opt files.
2926         * doc/tm.texi (target_flags): Say that this variable is declared
2927         by options.h.
2928         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
2929         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
2930         an alternative.
2931         * doc/options.texi: New file.
2932
2933 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
2934
2935         PR middle-end/18628
2936         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
2937         register.
2938
2939 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
2940
2941         PR c++/20280
2942         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
2943         temporary variable of pointer type if an lvalues is required.
2944         (gimplify_modify_expr_rhs): Request an rvalue from it.
2945         (gimplify_expr): Pass fallback on.
2946
2947 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
2948
2949         * cfgbuild.c: Update comments.
2950
2951 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2952
2953         PR rtl-optimization/17236
2954         * optabs.c (expand_doubleword_mult): New helper function split out
2955         from expand_binop.  Permute the order in which instructions are
2956         emitted to minimize the number of simultaneously live registers.
2957         (expand_binop): Call expand_doubleword_mult to synthesize a double
2958         word multiplication.
2959
2960 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
2961
2962         * basic-block.h: Update the prototypes of cached_make_edge and
2963         rtl_make_eh_edge.
2964         * cfg.c (cached_make_edge): Take edge_cache representing one
2965         row of the adjacency matrix of edges.
2966         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
2967         (make_edges): Initialize edge_cache to represent one row of
2968         the adjacency matrix of edges.
2969
2970 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
2971
2972         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
2973         New functions.
2974         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
2975         Remove unused removed_phis variable.
2976         (conditional_replacement): Use build1/build2.
2977         (abs_replacement): Use last_and_only_stmt and build1/build2.
2978
2979 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
2980
2981         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
2982         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
2983         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
2984         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
2985         * c-common.c (handle_novops_attribute): New function.
2986         (c_common_attribute_table): Add "no vops" entry.
2987         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
2988         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
2989         * tree-ssa-operands.c (get_call_expr_operands): Do not
2990         create virtual operands for calls with ECF_NOVOPS flag.
2991         * tree.h (DECL_IS_NOVOPS): New macro.
2992         (struct tree_decl): Add novops_flag.
2993         (ECF_NOVOPS): New constant.
2994
2995 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
2996
2997         PR target/17688
2998         * config/i386/i386.c (x86_use_himode_fiop): New.
2999         (x86_use_simode_fiop): Rename from x86_use_fiop.
3000         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3001         (TARGET_USE_HIMODE_FIOP): New.
3002         (x86_use_simode_fiop): Rename from x86_use_fiop.
3003         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3004
3005         * config/i386/i386.md (X87MODEI12): New mode macro define.
3006         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3007         to implement x87 FP compare with HImode input operands.
3008         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3009         Use X87MODEI12 mode macro to handle HImode input operands.
3010         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3011         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3012         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3013         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3014         macro to implement x87 operators with HImode input operands.
3015         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3016         input operands.
3017
3018 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3019
3020         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3021         integer_zerop.
3022         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3023         constants invariant.
3024
3025 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3026
3027         * basic-block.h (BB_VISITED): Removed.
3028         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3029
3030 2005-03-14  Falk Hueffner  <falk@debian.org>
3031
3032         PR bootstrap/20424
3033         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3034
3035 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3036
3037         * ggc-zone.c: Fix comment typos.
3038
3039         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3040         stringpool.c, config/mips/mips-protos.h: Update copyright.
3041
3042 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3043
3044         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3045         throughout with its typedef, "rtx".
3046         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3047         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3048         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3049         regs in comment to match code.
3050
3051 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3052
3053         * except.c (check_handled): Make it static.
3054         * except.h: Remove the corresponding prototype.
3055
3056         * function.c (get_func_frame_size): Make it static.
3057         * function.h: Remove the corresponding type.
3058
3059         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3060         Make them static.
3061         * hard-reg-set.h: Remove the corresponding declarations.
3062
3063         * tree-cfg.c (verify_stmts): Check that
3064         bb_for_stmt (stmt) == bb for every PHI node and statement.
3065
3066 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3067
3068         * config.gcc: Remove excess indentation.
3069         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3070
3071 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3072
3073         PR middle-end/19331
3074         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3075         * fold-const.c (fold_sign_changed_comparison): Likewise.
3076         (fold_binary): Optimize comparisons against widened operands if
3077         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3078
3079 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3080
3081         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3082         (sparc_override_options): Initialize it.
3083         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3084
3085 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3086
3087         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3088         (reg_or_none500mem_operand): New predicate.
3089         (zero_reg_mem_operand): New predicate.
3090         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3091         to reg_or_none500mem_operand.
3092         (extendsfdf2_fpr): Add MEM alternative.
3093         (extenddftf2_internal): Change operand2 predicate to
3094         zero_reg_mem_operand.
3095
3096 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3097
3098         * ggc-zone.c: Rewritten.
3099
3100         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3101         if there are none.
3102         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3103         * config.in: Regenerated.
3104         * configure: Regenerated.
3105         * gengtype.c (write_types_process_field, write_func_for_structure):
3106         Pass new argument to gt_pch_note_object.
3107         * ggc-common.c (struct ptr_data): Add TYPE.
3108         (gt_pch_note_object): Take TYPE argument and save it.
3109         (call_count): Update call to ggc_pch_count_object.
3110         (call_alloc): Update call to ggc_pch_alloc_object.
3111         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3112         file.
3113         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3114         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3115         (ggc_alloc_zone_stat): Delete.
3116         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3117         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3118         (ggc_pch_alloc_object): Update prototypes.
3119         (garbage_zone): Delete.
3120         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3121         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3122         pointers.
3123         (tree_id_zone): New variable.
3124         (ggc_alloc_cleared_zone): Remove unused.
3125         (ggc_alloc_zone): Define.
3126         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3127         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3128         ggc_alloc_zone_stat.
3129         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3130         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3131         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3132         (make_node_stat): Likewise.  Use tree_id_zone.
3133
3134 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3135             Joseph S. Myers  <joseph@codesourcery.com>
3136
3137         * configure.ac: Check for MIPS TLS.
3138         * configure: Regenerated.
3139         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3140         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3141         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3142         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3143         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3144         (mips_classify_symbol, mips_symbolic_constant_p)
3145         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3146         (mips_tls_operand_p, mips_call_tls_get_addr)
3147         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3148         (mips_tls_symbol_ref_1): New functions.
3149         (mips_legitimize_address, mips_legitimize_const_move): Call
3150         mips_legitimize_tls_address.
3151         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3152         for MIPS16.
3153         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3154         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3155         (mips_char_to_class): Document V1_REG.
3156         (HAVE_AS_TLS): Provide default.
3157         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3158         constants.
3159         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3160         !TARGET_ABICALLS.
3161         (tls_get_tp_<mode>): New instruction.
3162
3163 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3164
3165         * configure.ac: Update checks for target tools.
3166         * configure: Regenerated.
3167
3168 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3169
3170         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3171
3172 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3173
3174         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3175         more classes of DImode multiplication by constant.  Allow both
3176         multiplication by small negative constants (by performing a
3177         multiplication by a positive constant and negating the result) and
3178         multiplications by large powers of two, by using a left shift.
3179
3180 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3181
3182         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3183         of basic blocks into work_stack.
3184
3185         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3186         config/mips/vr.h: Update copyright.
3187
3188         * c-decl.c (c_init_decl_processing): Remove useless calls to
3189         build_function_type.
3190
3191         * builtins.c (fold_trunc_transparent_mathfn,
3192         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3193         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3194         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3195         fold_builtin_strcpy, fold_builtin_strncpy,
3196         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3197         TREE_TYPE (exp).
3198
3199         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3200         before_call.
3201
3202         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3203         variable determinant.
3204
3205         * tree-cfg.c (group_case_labels): Remove local variable type.
3206
3207         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3208         variable ann.
3209
3210         * tree-ssa-phiopt.c (value_replacement): Remove local variable
3211         result.
3212
3213 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3214
3215         PR target/18251
3216         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
3217         (*movmemqi_insn): Delete.
3218         (*movmemhi): Delete.
3219
3220 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3221
3222         * builtins.c (fold_builtin_classify): Take decomposed
3223         arguments of CALL_EXPR.
3224         (fold_builtin_1): Update a call to fold_builtin_classify.
3225
3226 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
3227
3228         PR c/20402
3229         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
3230         through into call to parser_xref_tag after parse error.
3231         (c_parser_struct_declaration): Consistently return NULL_TREE on
3232         error.
3233
3234 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
3235
3236         * tree-flow-inline.h (ref_contains_array_ref): New function.
3237         (lookup_subvars_for_var): Ditto.
3238         (get_subvars_for_var): Ditto.
3239         (var_can_have_subvars): Ditto.
3240
3241         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
3242         (struct subvar): New type.
3243
3244         * tree-dfa.c (okay_component_ref_for_subvars): New function.
3245
3246         * tree-optimize.c (init_tree_optimization_passes): Call
3247         pass_create_structure_vars.
3248
3249         * tree-ssa-alias.c: Include vec.h.
3250         (init_alias_info): Don't auto-clear call clobbered on struct-field
3251         tags.
3252         (compute_flow_insensitive_aliasing): Handle subvars.
3253         (group_aliases): Handle STRUCT_FIELD aliases.
3254         (setup_pointers_and_addressables): Ditto.
3255         Don't mark variables non-addressable if they still have
3256         addressable subvars.
3257         Also mark subvars addressable when the real variable is marked
3258         addressable.
3259         (add_pointed_to_var): Try to prune the pointed-to set by only
3260         pointing to subvars when possible.
3261         Otherwise, make sure we set addresses_needed and pt_vars to
3262         properly include subvars.
3263         (bitpos_of_field): New function.
3264         (push_fields_onto_fieldstack): Ditto.
3265         (get_or_create_used_part_for): Ditto.
3266         (create_overlap_variables_for): Ditto.
3267         (find_used_portions): Ditto.
3268         (create_structure_vars): Ditto.
3269         (pass_create_structure_vars): New structure.
3270
3271         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
3272         (get_expr_operands): Handle subvars.  Also try to turn
3273         COMPONENT_REF accesses into must-defs now that we can accurately
3274         portray it.
3275         (note_addressable): Try to only mark as addressable those subvars
3276         we know a COMPONENT_REF touches.
3277         (overlap_subvar): New function.
3278
3279         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
3280         Handle subvar storing.
3281         (vect_address_analysis): Update caller of vect_object_analysis.
3282
3283         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
3284
3285         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
3286         (STMT_VINFO_SUBVARS): New macro.
3287
3288         * common.opts: add flag_tree_salias.
3289
3290         * opts.c (decode_options): flag_tree_salias defaults to on.
3291
3292         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
3293
3294         * doc/tree-ssa.texi: Document structural alias analysis.
3295
3296 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3297
3298         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
3299         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
3300         * tree-ssa-operands.c (get_expr_operands): Likewise.
3301         (get_expr_operands): Likewise for ERROR_MARK.
3302
3303 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3304
3305         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
3306         var.
3307
3308         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
3309         removed_phis.
3310
3311         * tree-ssa-pre.c (compute_avail): Remove local variable val.
3312         (mark_operand_necessary): Remove local variable ver.
3313
3314         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
3315         variable prefix_len.
3316
3317         * value-prof.c (mod_subtract_transform): Remove local variable
3318         value.
3319
3320         * builtins.c (fold_builtin_exponent): Take decomposed
3321         arguments of CALL_EXPR.
3322         (fold_builtin_1): Update a call to fold_builtin_exponent.
3323
3324         * builtins.c (fold_builtin_logarithm): Take decomposed
3325         arguments of CALL_EXPR.
3326         (fold_builtin_1): Update a call to fold_builtin_logarithm.
3327
3328         * c-decl.c (c_init_decl_processing): Remove local variables
3329         ptr_ftype_void and ptr_ftype_ptr.
3330
3331         * gimplify.c (gimplify_expr): Remove local variables r0 and
3332         r1.
3333
3334         * reg-stack.c (move_for_stack_reg): Remove local variable
3335         push_insn.
3336         (compare_for_stack_reg): Remove local variable flags_user.
3337         (convert_regs_1): Remove local variable deleted.
3338
3339         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
3340         variable new_cond.
3341         (combine_blocks): Remove local variables exits and new_e.
3342
3343         * tree-inline.c (expand_call_inline): Remove local variable
3344         decl.
3345
3346         * tree-ssa-live.c (create_ssa_var_map,
3347         calculate_live_on_entry): Remove local variable snn.
3348
3349 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
3350
3351         * c-lex.c (c_lex_with_flags): Add parameter to call to
3352         cpp_spell_token.
3353
3354 2005-03-11  Per Bothner  <per@bothner.com>
3355
3356         * c-tree.h (struct c_declarator): New id_loc field.
3357         * c-pragma.h (c_lex_with_flags): Take position reference.
3358         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
3359         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
3360         (c_lex): Pass dummy location to c_lex_with_flags.
3361         * c-parser.c (c_lex_one_token): Set c_token's location using
3362         c_lex_with_flags, instead of input_location, which might be "ahead".
3363         (c_parser_direct_declarator): Set declarator's id_loc from
3364         c_token's id_loc.
3365         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
3366         declarator's id_loc, rather than probably-imprecise input_location.
3367         (build_id_declarator): Initialize c_declarator's id_loc field.
3368
3369 2005-03-11  Roger Sayle  <roger@eyesopen.com>
3370
3371         PR middle-end/20419
3372         * builtins.c (expand_builtin_signbit): Force the signbit's word
3373         into an integer register to avoid SUBREGs of floating point modes.
3374
3375 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3376
3377         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
3378         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
3379         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
3380         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
3381
3382 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
3383
3384         PR rtl-optimization/20306
3385         * expr.c (emit_move_complex): Set try_int false if mode is
3386         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
3387         emit_block_move if try_int is true.
3388
3389 2005-03-11  Richard Henderson  <rth@redhat.com>
3390
3391         PR target/20415
3392         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
3393         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
3394         to match.
3395
3396 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3397
3398         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
3399         (TARGET_FIX_VR4130): New macro.
3400         (TARGET_OPTIONS): Add -mfix-vr4130.
3401         (ISA_HAS_MACCHI): New macro.
3402         (ASM_SPEC): Add -mfix-vr4130.
3403         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
3404         (override_options): Handle mips_fix_vr4130_string.
3405         (mips_avoid_hazards): Clear all_noreorder_p
3406         if we're working around VR4130 errata and the macc alternatives
3407         are not available.
3408         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
3409         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
3410         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
3411         (MULTILIB_DEFAULTS): Remove leading "march=".
3412         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
3413         if no architecture option is given.
3414         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
3415         VR4130 multilibs.
3416         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
3417         * doc/invoke.texi: Document -mfix-vr4130.
3418
3419 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3420
3421         * config/mips/mips.c (override_options): Only warn about -mint64
3422         deprecation if TARGET_INT64.
3423
3424 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3425
3426         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
3427         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
3428         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
3429         are non-specific regarding the nonnull parameter positions.
3430         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
3431         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
3432         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
3433         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
3434
3435         * builtins.def: Use the non-specific "nonnull" attibute lists.
3436
3437 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3438
3439         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3440         single_pred_edge, single_succ, single_pred): Improve comments.
3441
3442 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3443
3444         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3445         single_pred_edge, single_succ, single_pred): New inline functions.
3446         * bb-reorder.c (rotate_loop, find_traces_1_round,
3447         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
3448         duplicate_computed_gotos): Use the single_succ/pred functions.
3449         * cfganal.c (forwarder_block_p): Ditto.
3450         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
3451         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3452         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
3453         merge_seq_blocks): Ditto.
3454         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
3455         * cfglayout.c (fixup_reorder_chain): Ditto.
3456         * cfgloop.c (mark_single_exit_loops, update_latch_info,
3457         canonicalize_loop_headers, verify_loop_structure): Ditto.
3458         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
3459         mfb_update_loops, create_preheader, force_single_succ_latches,
3460         create_loop_notes): Ditto.
3461         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
3462         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
3463         commit_one_edge_insertion, purge_dead_edges,
3464         cfg_layout_can_merge_blocks_p): Ditto.
3465         * except.c (sjlj_emit_function_enter): Ditto.
3466         * flow.c (init_propagate_block_info): Ditto.
3467         * function.c (thread_prologue_and_epilogue_insns): Ditto.
3468         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
3469         insert_insn_end_bb): Ditto.
3470         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
3471         find_if_case_2): Ditto.
3472         * lambda-code.c (perfect_nestify): Ditto.
3473         * lcm.c (optimize_mode_switching): Ditto.
3474         * loop-doloop.c (doloop_modify): Ditto.
3475         * loop-init.c (loop_optimizer_init): Ditto.
3476         * loop-iv.c (simplify_using_initial_values): Ditto.
3477         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3478         * loop-unswitch.c (unswitch_loop): Ditto.
3479         * modulo-sched.c (generate_prolog_epilog): Ditto.
3480         * predict.c (combine_predictions_for_insn, estimate_probability,
3481         tree_estimate_probability, last_basic_block_p,
3482         estimate_bb_frequencies): Ditto.
3483         * profile.c (branch_prob): Ditto.
3484         * regrename.c (copyprop_hardreg_forward): Ditto.
3485         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
3486         * tracer.c (layout_superblocks): Ditto.
3487         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
3488         cfg_remove_useless_stmts_bb, cleanup_control_flow,
3489         cleanup_control_expr_graph, disband_implicit_edges,
3490         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
3491         tree_verify_flow_info, tree_make_forwarder_block,
3492         tree_forwarder_block_p, remove_forwarder_block,
3493         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3494         * tree-if-conv.c (tree_if_conversion): Ditto.
3495         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3496         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
3497         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
3498         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3499         copy_loop_headers): Ditto.
3500         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
3501         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
3502         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
3503         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
3504         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
3505         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
3506         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
3507         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
3508         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
3509         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
3510         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
3511         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
3512         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
3513         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
3514         slpeel_add_loop_guard): Ditto.
3515
3516 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
3517
3518         PR tree-optimization/15784
3519         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3520         and -1 - A to ~A.
3521
3522         * stmt.c (expand_case): Don't change index_type.  Convert minval
3523         to the proper type.
3524
3525         PR tree-optimization/20130
3526         * fold-const.c (fold): Fold x * -1 into -x.
3527
3528 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3529
3530         PR rtl-optimization/20331
3531         * rtlanal.c (modified_between_p): Check its address first for MEM.
3532         (modified_in_p): Likewise.
3533
3534 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
3535
3536         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
3537
3538 2005-03-10  Steven Bosscher  <stevenb@suse.de>
3539
3540         * expr.c (expand_expr_real_1): If possible, use a conditional
3541         move for expanding MIN_EXPR and MAX_EXPR.
3542         Use temp for moving around rtx-en.
3543
3544 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
3545
3546         PR rtl-opt/20412
3547         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
3548         correct mode.
3549
3550 2005-03-10  Roger Sayle  <roger@eyesopen.com>
3551
3552         * builtins.c (expand_builtin_signbit): Extend to handle floating
3553         point modes wider than the largest integer type, using the
3554         operand_subword_force function to obtain the signbit's word.
3555
3556 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3557
3558         PR target/20322
3559         * combine.c (try_combine): If recog_for_combine added CLOBBERs
3560         to NEWI2PAT, fail to combine if they are used by NEWPAT.
3561
3562 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
3563
3564         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
3565
3566 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
3567
3568         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
3569         type void.
3570         (perform_edge_inserts): Unconditionally call
3571         free_dominator_info.
3572
3573         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
3574
3575 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
3576
3577         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
3578
3579 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
3580
3581         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
3582
3583         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
3584         gcc_unreachable.
3585         (rtl_register_value_prof_hooks,
3586         tree_value_profile_transformations,
3587         tree_register_value_prof_hooks): Likewise.
3588         * var-tracking.c (stack_adjust_offset_pre_post,
3589         variable_htab_free, variable_union, dataflow_set_different_2,
3590         count_uses, variable_was_changed, set_frame_base_location,
3591         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
3592         vt_add_function_parameters): Likewise.
3593         * varasm.c (named_section_real, named_section, make_decl_rtl,
3594         asm_emit_uninitialised, assemble_integer, decode_addr_const,
3595         const_hash_1, compare_constant, copy_constant, force_const_mem,
3596         output_constant_pool_2, output_constant_pool_1, output_constant,
3597         output_constructor, make_decl_one_only, decl_tls_model,
3598         default_no_named_section, default_elf_select_section_1,
3599         default_unique_section_1): Likewise.
3600         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
3601         * vmsdbgout.c (addr_const_to_string): Likewise.
3602
3603         PR c++/20375
3604         * function.c (struct assign_parm_data_one): Remove last_named
3605         field.
3606         (assign_parm_find_data_types): Don't determine last_named.
3607         Reorder named_parm determination.
3608         (assign_parms): Only setup varargs on the last non-varadic
3609         parameter.
3610
3611 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
3612
3613         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
3614         sda base address on medium model.
3615
3616 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
3617
3618         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
3619         * cfgloop.c (flow_loop_nodes_find): Export.
3620         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
3621         Declare.
3622         * cfgloopmanip.c (fix_loop_structure): New function.
3623         * predict.c (predict_loops): Clean up the loops information.
3624         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
3625         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
3626         loop structure.
3627         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
3628         (rewrite_into_loop_closed_ssa): Declaration changed.
3629         * tree-loop-linear.c (linear_transform_loops): Add argument to
3630         rewrite_into_loop_closed_ssa call.
3631         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3632         * tree-ssa-loop-im.c (move_computations): Ditto.
3633         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3634         * tree-vectorizer.c (vectorize_loops): Ditto.
3635         * tree-optimize.c: Include cfgloop.h.
3636         (execute_todo): Choose whether to call cleanup_tree_cfg or
3637         cleanup_tree_cfg_loop.
3638         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
3639         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
3640         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
3641         cleanup_tree_cfg_loop call.
3642         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
3643         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
3644         work on part of cfg.
3645
3646 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3647
3648         PR inline-asm/20314
3649         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
3650         with multiple alternatives.
3651
3652         * stmt.c (parse_output_constraint): Fix a typo.
3653
3654 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
3655
3656         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
3657         assembly directive instead of deprecated "no-generics".
3658
3659 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
3660
3661         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3662         for non-offsettable memory references to cope with outstanding reload
3663         replacements.
3664         * config/s390/s390.md ("reload_outti"): Call find_replacement to
3665         avoid losing outstanding address reloads.
3666         ("reload_outdi", "reload_outdf"): Likewise.
3667
3668 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3669
3670         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
3671         code.  Add more cbrt transformations.
3672
3673 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3674
3675         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
3676
3677 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3678
3679         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
3680         NULL_TREE when a given tree is not simplified.
3681         (fold): Return the original tree when any of the functions
3682         mentioned above NULL_TREE.
3683
3684         * fold-const.c (fold_unary, fold_binary): Take decomposed
3685         arguments, code, type, op0, and op1 in case of fold_binary.
3686         (fold): Update calls to fold_unary and fold_binary.
3687
3688 2005-03-09  Roger Sayle  <roger@eyesopen.com>
3689
3690         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
3691         a fndecl and an arglist instead of a CALL_EXPR, exp.
3692
3693 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3694
3695         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
3696
3697         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
3698
3699         * expr.c (expand_assignment): Remove orig_to_rtx.
3700
3701         * fold-const.c (int_const_binop): Remove no_overflow.
3702
3703         * ifcvt.c (noce_emit_move_insn): Remove inmode.
3704
3705         * loop-iv.c (get_biv_step_1): Remove lhs.
3706
3707         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
3708
3709         * real.c (real_nan): Remove neg.
3710
3711         * function.c (thread_prologue_and_epilogue_insns): Remove i
3712         and newinsn.
3713
3714         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
3715         tb.
3716
3717         * tree-eh.c (tree_could_trap_p): Remove idx.
3718
3719         * tree-into-ssa.c (ann): Remove ann.
3720
3721         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
3722
3723         * tree-sra.c (decide_block_copy): Remove inst_count.
3724
3725         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
3726
3727         * tree-ssa-loop-im.c (lhs): Remove.
3728
3729         * cfgbuild.c (state, STATE, SET_STATE,
3730         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
3731         make_edges.
3732         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
3733         (find_basic_blocks): Set the state of each basic block to
3734         BLOCK_NEW.
3735
3736 2005-03-08  Jeff Law  <law@redhat.com>
3737
3738         * tree-cfg.c (cleanup_control_flow): If removal of a computed
3739         goto results in the removal of edges in the CFG, then we need
3740         to recompute dominators.
3741
3742 2005-03-09  Ben Elliston  <bje@au.ibm.com>
3743
3744         * c-common.c (c_do_switch_warnings): Comment fix.
3745
3746 2005-03-08  Julian Brown  <julian@codesourcery.com>
3747
3748         * Patch from 2005-03-08 reverted for causing regressions and
3749         ppc-darwin bootstrap failure.
3750
3751 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
3752
3753         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
3754         Define the real function for ppc-darwin.
3755         * c-typeck.c (convert_arguments): Check for target-specific
3756         invalid argument call to unprototyped function.
3757         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3758         New Macro.
3759         * target.h (invalid_arg_for_unprototyped_fn): New field
3760         in struct calls.
3761         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
3762         default target hook.
3763         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
3764         Declare.
3765
3766 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3767
3768         * c-typeck.c (constructor_stack, constructor_range_stack,
3769         initializer_stack): Make them static.
3770
3771         * cfg.c (rbi_pool): Make it static.
3772
3773         * gimple-low.c (lower_stmt_body): Make it static.
3774         * tree-flow.h: Remove the corresponding prototype.  Don't
3775         declare lower_data.
3776
3777         * sched-deps.c (cache_size): Make it static.
3778
3779         * stor-layout.c (lang_adjust_rli): Make it static.
3780
3781 2005-03-08  Julian Brown  <julian@codesourcery.com>
3782
3783         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3784         from being used for symbols with vague linkage when
3785         HAVE_GAS_COMDAT_GROUP is true.
3786
3787 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
3788
3789         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
3790         nlabel == JUMP_LABEL (jump).
3791
3792 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3793
3794         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
3795         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
3796         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
3797         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
3798
3799 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
3800
3801         PR c/14411
3802         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
3803         * c-common.c (handle_returns_twice): New function.
3804         (c_common_attribute_table): Declare eturns_twice' attribute.
3805         * doc/extend.texi: Document eturns_twice' attribute.
3806         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
3807         (struct tree_decl): Add returns_twice_flag.
3808
3809 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3810
3811         * tree-ssa-phiopt.c: Fix a comment typo.
3812
3813         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
3814         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
3815         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
3816         copyright.
3817
3818 2005-03-08  Richard Henderson  <rth@redhat.com>
3819
3820         * config/alpha/alpha.c (code_for_builtin): Replace special-case
3821         builtin codes with ctzdi2, clzdi2, popcountdi2.
3822         (struct alpha_builtin_def): Add is_const.
3823         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
3824         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
3825         (alpha_init_builtins): Init them.  Set nothrow and const attributes
3826         on builtins.
3827         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
3828         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
3829         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
3830         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
3831         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
3832         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
3833         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
3834         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
3835         (TARGET_FOLD_BUILTIN): New.
3836         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
3837         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
3838         (ffsdi2): Use ctz.
3839         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
3840
3841 2005-03-08  Ira Rosen  <irar@il.ibm.com>
3842
3843         PR tree-optimization/20122
3844         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
3845         condition of access function instead of base.
3846
3847 2005-03-07  Jeff Law  <law@redhat.com>
3848             Steven Bosscher  <stevenb@suse.de>
3849
3850         * tree-cfg.c (find_taken_edge_computed_goto): New function.
3851         (find_taken_edge): Call find_taken_edge_computed_goto as
3852         appropriate.  Allow any gimple invariant rather than just
3853         INTEGER_CST for VAL.
3854         (cleanup_control_flow): Cleanup a computed goto which has turned
3855         into a simple goto.
3856         (tree_merge_blocks): If block B has any forced labels, move
3857         them to the start of block A.
3858         * tree-ssa-dom.c (thread_across_edge): Allow threading across
3859         computed gotos as well.
3860         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
3861         removal of unnecessary computed gotos too.
3862         (lookup_redirection_data): Fix type of INSERT argument.  Callers
3863         updated.
3864
3865 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3866
3867         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
3868         Remove trailing spaces.
3869
3870         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
3871         unshare_all_trees): Make them static.
3872         * tree-gimple.h: Remove the corresponding prototypes.
3873
3874         * diagnostic.h: Remove unused prototype
3875         debug_output_buffer.
3876         * modulo-sched.c: Remove unused prototype
3877         set_row_column_for_ps.
3878
3879         * tree-ssa-phiopt.c (tree_ssa_phiopt,
3880         replace_phi_edge_with_variable): Remove unused variable i.
3881
3882 2005-03-07  Per Bothner  <per@bothner.com>
3883
3884         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
3885
3886 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
3887
3888         PR tree-opt/17671
3889         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
3890         bbs on the COND_EXPR instead of the PHI_NODEs.
3891         (candidate_bb_for_phi_optimization): Remove.
3892         (replace_phi_with_stmt): Rename to ...
3893         (replace_phi_edge_with_variable): this and change so that we
3894         replace the phi argument instead of removing the PHI.
3895         (conditional_replacement): Change so we deal with PHI with more
3896         than two arguments.
3897         (value_replacement): Likewise.
3898         (abs_replacement): Likewise.
3899
3900 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
3901
3902         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
3903         output_e500_flip_gt_bit.
3904
3905         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
3906         as bit 31.
3907         (rs6000_generate_compare): Fix logic to look at the correct bits.
3908         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
3909         Look at GT bit.
3910         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
3911         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
3912         gen_move_from_CR_gt_bit.
3913
3914         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
3915         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
3916         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
3917
3918         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
3919         (E500_CR_IOR_COMPARE): New constant.
3920
3921 2005-03-08  Earl Chew <earl_chew@agilent.com>
3922             David Billinghurst <David.Billinghurst@riotinto.com>
3923
3924         * config/i386/host-cygwin.c: New file to support precompiled
3925         headers on cygwin
3926         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
3927         * config.host: Use above files for cygwin host.
3928
3929 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
3930
3931         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
3932         ordering ops from earlier change.
3933
3934 2005-03-07  Per Bothner  <per@bothner.com>
3935
3936         Various fixes to allow us to again build if --enable-mapped-location:
3937         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
3938         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
3939         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
3940         local variable loc. Change logic appropriately.
3941         * tree-vect-transform.c (vect_finish_stmt_generation): Use
3942         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
3943         * c-parser.c (c_parser_for_statement): Initialize loc variable.
3944         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
3945         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
3946
3947 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
3948
3949         PR rtl-optimization/19683
3950         * reload1.c (choose_reload_regs): Pass the number of bits, not the
3951         number of bytes, to smallest_int_for_mode.  Fix arguments to
3952         REG_CANNOT_CHANGE_MODE_P.
3953
3954 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3955
3956         * reorg.c (relax_delay_slots): Check that the jump is
3957         conditional before trying to invert it.
3958
3959 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
3960
3961         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
3962         Make them static.
3963
3964         * calls (stack_arg_under_construction): Make it static.
3965
3966         * flow.c (regs_live_at_setjmp): Make it static.
3967         * flow.h: Remove the corresponding prototype.
3968
3969         * reload1.c (reload_startobj, reload_firstobj,
3970         something_needs_operands_changed, reload_inherited,
3971         reload_inheritance_insn, reload_override_in,
3972         reload_spill_index): Make them static.
3973
3974         * recog.c (verify_changes): Make it static.
3975         * recog.h: Remove the corresponding prototype.
3976
3977         * cfgbuild.c (find_sub_basic_blocks): Remove.
3978         * basic-block.h: Remove the corresponding prototype.
3979         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
3980         in comments.
3981         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
3982
3983         * tree-ssa-operands.c (check_build_stmt): Remove.
3984
3985         * stor-layout.c (set_alignment): Remove.
3986         * tree.h: Remove the corresponding prototype.
3987
3988         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
3989
3990         * tree-ssa-dce.c (control_dependence_map,
3991         visited_control_parents): Make them static.
3992
3993         * cfghooks.c (verify_flow_info): Remove local variable
3994         num_bb_notes.
3995
3996         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
3997         last_bb_seen.
3998
3999         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4000
4001 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4002
4003         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4004
4005 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4006
4007         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4008         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4009         PARALLEL for an empty structure.
4010
4011 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4012
4013         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4014
4015         * fold-const.c (fold_binary): Unroll the very first "for"
4016         loop.
4017
4018 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4019
4020         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4021         redundant match_code test.
4022         (scc_comparison_operator): Swap match_operand and match_code
4023         tests.
4024         (branch_positive_comparison_operator): Same.
4025         (trap_comparison_operator): Use comparison_operator and swap with
4026         match_code test.
4027
4028 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4029
4030         PR target/20288
4031         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4032         (out_movhi_r_mr): Read low byte of volatile MEM first.
4033         (out_movhi_mr_r): Write high byte of volatile MEM first.
4034
4035 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4036
4037         * cselib.c (reg_values, reg_values_size): Make them static.
4038
4039         * cse.c (cse_reg_info_table): Make it static.
4040
4041         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4042
4043 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4044
4045         * cse.c (find_best_addr): Use canon_for_address.
4046
4047 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4048
4049         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4050         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4051         SUBREG and MEM, respectively.
4052
4053         * fold-const.c (fold_binary): Use code instead of t.
4054
4055         * fold-const.c (optimize_minmax_comparison): Take decomposed
4056         arguments code, type, op0, and op1 instead of t.
4057         (fold_binary): Update a call to optimize_minmax_comparison.
4058
4059         * fold-const.c (fold_range_test): Take decomposed arguments
4060         code, type, op0, and op1 instead of t.
4061         (fold_binary): Update a call to fold_range_test.
4062
4063         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4064         decomposed arguments code, type, op0, and op1 instead of t.
4065         (fold_binary): Update a call to fold_range_test.
4066
4067 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4068
4069         * fold-const.c (fold_binary): Avoid directly using the original
4070         expression t as much as possible.
4071
4072 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4073
4074         * c-semantics.c (build_stmt): Use TYPE_P instead of
4075         IS_NON_TYPE_CODE_CLASS.
4076         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4077         (NON_TYPE_CHECK): Use TYPE_P instead of
4078         IS_NON_TYPE_CODE_CLASS.
4079
4080         * fold-const.c (fold): Remove handling of binary expressions.
4081
4082 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4083
4084         * doc/c-tree.texi: Wrap comments in @r{}.
4085         * doc/cpp.texi: Likewise.
4086         * doc/cppinternals.texi: Likewise.
4087         * doc/extend.texi: Likewise.
4088         * doc/md.texi: Likewise.
4089         * doc/objc.texi: Likewise.
4090         * doc/sourcebuild.texi: Likewise.
4091         * doc/tm.texi: Likewise.
4092         * doc/tree-ssa.texi
4093
4094 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4095
4096         * predict.c (apply_return_prediction): Standardize PHI chain
4097         walking.
4098         * tree-ssa.c (ssa_redirect_edge): Likewise.
4099
4100         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4101         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4102         Update copyright.
4103
4104         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4105         * tree-flow.h: Adjust the prototype for remove_phi_node.
4106         * lambda-code.c (perfect_nestify): Adjust a call to
4107         remove_phi_node.
4108         * tree-cfg.c
4109         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4110         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4111         Likewise.
4112         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4113         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4114         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4115         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4116
4117         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4118         of GEN_INT (trunc_int_for_mode (...)).
4119         * loop-iv.c (iv_number_of_iterations): Likewise.
4120         * postreload.c (reload_cse_move2add): Likewise.
4121         * simplify-rtx.c (simplify_const_unary_operation,
4122         simplify_const_binary_operation): Likewise.
4123         * stor-layout.c (get_mode_bounds): Likewise.
4124
4125         * fold-const.c (fold_binary): New.
4126         (fold): Call fold_binary on binary expressions.
4127
4128 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4129
4130         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4131         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4132         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4133         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4134         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4135
4136 2005-03-04  Devang Patel  <dpatel@apple.com>
4137
4138         PR tree-optimization/18815
4139         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4140         loops with zero exit edges.
4141
4142 2005-03-04  Devang Patel  <dpatel@apple.com>
4143
4144         * doc/invoke.texi: Remove reference to webpage that does not exist.
4145
4146 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4147             Joseph S. Myers  <joseph@codesourcery.com>
4148
4149         PR c++/19797
4150         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4151         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4152         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4153         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4154         maybe_get_identifier instead of get_identifier.
4155         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4156         (struct deferred_plabel): Replace name field with symbol field.
4157         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4158         ASM_OUTPUT_EXTERNAL_REAL is defined.
4159         (output_global_address): Use output_addr_const for output of all
4160         symbol_refs.
4161         (output_deferred_plabels): Use symbol_ref instead of name for address
4162         output.
4163         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4164         ASM_OUTPUT_SYMBOL_REF): New macros.
4165         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4166         comment.
4167         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4168         label.
4169
4170 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4171
4172         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4173         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4174
4175 2005-03-04  Jeff Law  <law@redhat.com>
4176
4177         * basic-block.h (rediscover_loops_after_threading): Declare.
4178         * tree-ssa-dom.c: Include cfgloop.h.
4179         (tree_ssa_dominator_optimize): Discover loops and some basic
4180         properties.  Remove forwarder blocks recreated by loop header
4181         canonicalization.  Also mark backedges in the CFG.
4182         * tree-ssa-threadupdate.c: Include cfgloop.h
4183         (rediscover_loops_after_threading): Define.
4184         (struct local_info): New field, JUMP_THREADED.
4185         (prune_undesirable_thread_requests): New function.
4186         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4187         then record that fact for the callers of redirct_edges.
4188         (thread_block): If BB has incoming backedges, then call
4189         prune_undesirable_thraed_requests.    Note when we are
4190         going to have to rediscover loop information.  Return a
4191         boolean indicating if any jumps were threaded.
4192         (thread_through_all_blocks): Bubble up boolean indicating
4193         if any jumps were threaded.
4194         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4195         (tree-ssa-threadupdate.o): Similarly.
4196
4197 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4198
4199         * fold-const.c (fold_ternary): Unroll the "for" loop to
4200         extract operands.
4201
4202 2005-03-04  Andrew Haley  <aph@redhat.com>
4203
4204         * unwind-dw2-fde-glibc.c (struct
4205         unw_eh_callback_data.check_cache): New field.
4206         (frame_hdr_cache): New.
4207         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4208         Cache frame header info.
4209
4210 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
4211
4212         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
4213         (print_c_condition): Declare.
4214         * read-rtl.c (ptr_loc): New structure.
4215         (ptr_locs, ptr_loc_obstack, joined_conditions)
4216         (joined_conditions_obstack): New variables.
4217         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
4218         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
4219         (join_c_conditions, print_c_condition): New functions.
4220         (apply_macro_to_string): Associate the new string with the same
4221         source location as the old one.
4222         (add_condition_to_string): Use join_c_conditions.
4223         (read_string): Use set_rtx_ptr_loc to record a filename and line
4224         number for the string.
4225         (read_rtx): Initialize the new variables above.
4226         * genattrtab.c (write_test_expr, write_attr_value): Use
4227         print_c_condition.
4228         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
4229         comment above the GCC_VERSION check.
4230         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
4231         Inline the definition of MAYBE_EVAL.
4232         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
4233         * genoutput.c (process_template): Likewise.
4234         * genpreds.c (write_predicate_subfunction): Likewise.
4235         (write_predicate_expr): Use print_c_condition.
4236         * genrecog.c (write_cond): Likewise.
4237         * gensupport.c (process_rtx): Use join_c_conditions to join the
4238         conditions of a define_insn_and_split.  Record a source location
4239         for the string after the "&&".
4240         (alter_test_for_insn): Use join_c_conditions.
4241
4242 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
4243
4244         Revert for now:
4245         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4246         PR tree-optimization/15784
4247         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4248         and -1 - A to ~A.
4249
4250 2005-03-04  Ben Elliston  <bje@au.ibm.com>
4251
4252         * gcc.c (option_map): Add --coverage.
4253         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
4254         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
4255         * config/darwin.h: Pass -lgcov for `coverage'.
4256         * doc/invoke.texi (Debugging Options): Document --coverage.
4257
4258 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4259
4260         * gcse.c (bypass_block): Use find_edge wherever possible.
4261
4262 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
4263
4264         Fix PR debug/20253
4265
4266         * c-opts.c (c_common_parse_file): Call start_source_file
4267         and end_source_file at the approriate times.
4268
4269         * dwarf2out.c (dwarf2out_finish): Don't auto-end
4270         the main file, it will be done for us now.
4271
4272 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4273
4274         * fold-const.c (fold_ternary): New.
4275         (fold): Call fold_ternary on ternary expressions.  Remove
4276         handling of ternary expressions.
4277
4278 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4279
4280         PR tree-optimization/15784
4281         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4282         and -1 - A to ~A.
4283
4284 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
4285
4286         * config/rs6000/predicates.md (branch_comparison_operator):
4287         Convert from C block to conditional format.
4288
4289 2005-03-03  Jan Hubicka  <jh@suse.cz>
4290
4291         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
4292         and non-constant public variables.
4293
4294 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
4295
4296         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
4297         with LABEL_EXPR.
4298
4299         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
4300         EDGE_I.
4301
4302         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
4303         calls to release_ssa_name and release_phi_node.
4304
4305         * fold-const.c (fold): Remove handling of unary expressions.
4306
4307         * fold-const.c (fold_unary): Avoid directly using the original
4308         expression t as much as possible.
4309
4310 2005-03-03  Roger Sayle  <roger@eyesopen.com>
4311             Andrew Pinski  <pinskia@physics.uc.edu>
4312
4313         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
4314         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
4315
4316 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
4317
4318         Describe special registers SRP and MOF as allocatable registers.
4319         * config/cris/cris.c (cris_md_asm_clobbers): New function.
4320         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
4321         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
4322         TARGET_HAS_MUL_INSNS.
4323         (cris_print_operand) <case 'd'>: New case.
4324         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
4325         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
4326         define.
4327         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
4328         (REG_ALLOC_ORDER): Update for MOF.
4329         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
4330         SPECIAL_REGS.
4331         (GENERAL_REGS): No longer a define of ALL_REGS.
4332         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
4333         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4334         Adjust accordingly.
4335         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
4336         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
4337         (SECONDARY_RELOAD_CLASS): Define.
4338         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
4339         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
4340         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
4341         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
4342         (REGISTER_MOVE_COST): Define.
4343         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
4344         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
4345         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
4346         (CRIS_MOF_REGNUM): New define_constants.
4347         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
4348         special registers.
4349         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
4350         New patterns.
4351         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
4352         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
4353         Adjust for MOF being properly described as a register.
4354         (indir_to_reg_split): Name this split.  Conditionalize on the
4355         destination register being a general register.
4356         (movei): Conditionalize on on operands 0 and 1 having the same
4357         register class.
4358
4359 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
4360
4361         PR target/20277
4362         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
4363         -mcpu to override any other explicitly given flags.
4364
4365 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
4366
4367         * recog.c (verify_changes, confirm_change_group): New functions,
4368         broken out of apply_change_group.
4369         (apply_change_group): Use them.
4370         * recog.h (verify_change, confirm_change_group): Declare.
4371         * rtl.h (redirect_jump_2): Declare.
4372         * jump.c (redirect_exp, invert_exp): Delete.
4373         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
4374         (redirect_jump_2): New function, broken out of redirect_jump.
4375         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
4376         (invert_jump): Use invert_jump_1 and redirect_jump_2.
4377         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
4378
4379 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
4380
4381         * varasm.c (named_section): Use xstrdup rather than doing it by
4382         hand.
4383
4384         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
4385
4386 2005-03-02  Devang Patel  <dpatel@apple.com>
4387
4388         Undo PR tree-optimization/18815 fix.
4389
4390 2005-03-02  Devang Patel  <dpatel@apple.com>
4391
4392         PR tree-optimization/18815
4393         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4394         loops with zero exit edges.
4395
4396 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4397
4398         * cfg.c (connect_src, connect_dest, disconnect_src,
4399         disconnct_dest): New.
4400         (unchecked_make_edge, remove_edge, redirect_edge_succ,
4401         redirect_edge_pred): Use the new functions.
4402
4403         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4404         free_dominance_info only when needed.
4405
4406 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
4407
4408         PR target/20276
4409         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
4410         (reg_or_sub_cint64_operand): Same.
4411
4412 2005-03-02  Jeff Law  <law@redhat.com>
4413
4414         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
4415         CFG_ALTERED in the main DOM iteration loop.
4416
4417 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
4418
4419         PR c++/19916
4420         * varasm.c (initializer_constant_valid_p): Allow conversions
4421         between OFFSET_TYPEs.  Tidy.
4422
4423 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
4424
4425         * config/cris/cris.md ("return"): Remove epilogue delay list
4426         sanity check.
4427
4428 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
4429
4430         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
4431         for Thumb.
4432         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
4433
4434 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4435
4436         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
4437         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
4438         config/m68k/m68k.c, config/mips/mips.h,
4439         config/rs6000/rs6000-protos.h, doc/contrib.texi,
4440         doc/include/gcc-common.texi: Update copyright.
4441
4442         PR middle-end/18029 and PR middle-end/18030
4443         * expr.c (optimize_bitfield_assignment_op): Add a special case
4444         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
4445
4446         * fold-const.c (fold_unary): New.
4447         (fold): Call fold_unary on unary expressions.
4448
4449 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
4450
4451         * cgraph.h (struct cgraph_edge): Add prev_caller and
4452         prev_callee fields.
4453         (cgraph_node_remove_callees): Export.
4454         * cgraph.c (cgraph_create_edge): Initialize prev_caller
4455         and prev_callee.
4456         (cgraph_edge_remove_callee): New function.
4457         (cgraph_edge_remove_caller): Likewise.
4458         (cgraph_remove_edge): Use.
4459         (cgraph_redirect_edge_callee): Likewise.
4460         (cgraph_node_remove_callees): New function.
4461         (cgraph_node_remove_callers): Likewise.
4462         (cgraph_remove_node): Use.
4463         * tree-optimize.c (tree_rest_of_compilation): Use
4464         cgraph_node_remove_callees instead of manual loop.
4465         * cgraphunit.c (cgraph_finalize_function): Likewise.
4466         (cgraph_expand_function): Likewise.
4467         (cgraph_remove_unreachable_nodes): Likewise.
4468
4469 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
4470
4471         PR c/8927
4472         * c-tree.h (undeclared_variable, build_external_ref): Add extra
4473         argument.
4474         * c-decl.c (undeclared_variable): Take location as argument.
4475         * c-typeck.c (build_external_ref): Likewise.
4476         * c-parser.c (c_parser_postfix_expression): Pass location of
4477         identifier to build_external_ref.
4478
4479 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4480
4481         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
4482         CCEQ mode for branch_positive_comparison_operator test.
4483         * config/rs6000/predicates (branch_comparison_operator): Revert to
4484         define_predicate.
4485         (scc_comparison_operator): Same.
4486         (branch_positive_comparison_operator): Same.
4487
4488 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
4489
4490         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4491         (cris_delay_slots_for_epilogue): Remove.
4492         (save_last): Move into cris_target_asm_function_epilogue.
4493         (cris_target_asm_function_epilogue): Remove tests for file being
4494         NULL.
4495         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
4496         (cris_delay_slots_for_epilogue): Remove prototypes.
4497         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
4498         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
4499
4500 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4501
4502         * config/rs6000/predicates.md (branch_comparison_operator): Change
4503         to define_special_predicate.
4504         (scc_comparison_operator): Same.
4505         (branch_positive_comparison_operator): Same.
4506
4507 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
4508
4509         * Makefile.in (tree-ssa-sink.o): New.
4510         (OBJS-common): Add tree-ssa-sink.o.
4511         * common.opt: Add -ftree-sink
4512         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
4513         * timevar.def (TV_TREE_SINK): new timevar.
4514         * tree-flow.h (is_hidden_global_store): Prototype.
4515         * tree-optimize.c (init_tree_optimization_passes): Add
4516         pass_sink_code.
4517         * tree-pass.h (pass_sink_code): New.
4518         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
4519         for non-obvious global store store to is_hidden_global_store, and
4520         call that new function.
4521         * tree-ssa-sink.c: New file.
4522         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
4523         * doc/passes.texi: Document forward store motion.
4524         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
4525         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
4526         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
4527         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
4528
4529 2005-03-01  Per Bothner  <per@bothner.com>
4530
4531         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
4532         and we have a non-zero column-number, add it to the message.
4533         Also factor out the diagnostic_kind_text.
4534
4535 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4536
4537         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4538         flow_loop_pre_header_scan, flow_loop_pre_header_find,
4539         flow_loop_scan): Removed.
4540         (flow_loop_dump): Do not dump removed fields.
4541         (flow_loop_free): Do not free removed fields.
4542         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
4543         (loop_exit_edge_p): New function.
4544         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
4545         num_pre_header_edges, entry_edges, num_entries, exit_edges,
4546         num_exits, exits_doms.
4547         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
4548         LOOP_EDGES, LOOP_ALL): Removed.
4549         (flow_loop_scan): Declaration removed.
4550         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
4551         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
4552         flow_loops_find.
4553         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
4554         (if_convert): Call flow_loops_find and flow_loops_free
4555         when calling mark_loop_exit_edges.
4556         * cfgloopanal.c (mark_loop_exit_edges): Moved from
4557         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
4558         free_dominance_info calls.
4559         * loop-init.c (flow_loops_find): Ditto.
4560         * passes.c (rest_of_handle_branch_prob): Ditto.
4561         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
4562         * loop-unroll.c (analyze_insns_in_loop): Do not use
4563         EDGE_LOOP_EXIT.
4564         * predict.c (predict_loops): Do not call flow_loop_scan.
4565         Use get_loop_exit_edges.
4566         (tree_estimate_probability): Do not pass flags to flow_loops_find.
4567         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
4568         Do not use EDGE_LOOP_EXIT.
4569         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
4570         to bb_with_exit_edge_p.
4571         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
4572         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
4573         to bb_with_exit_edge_p.
4574         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
4575         EDGE_LOOP_EXIT.
4576         * tree-loop-linear.c (linear_transform_loops): Do not call
4577         flow_loop_scan.  Use loop->single_exit.
4578         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
4579         (vect_analyze_loop_form): Do not call flow_loop_scan.
4580         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
4581         loop->single_exit.
4582         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
4583         loop->single_exit.
4584         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4585         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4586         slpeel_tree_duplicate_loop_to_edge_cfg,
4587         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4588         Use loop_preheader_edge and loop->single_exit.  Do not call
4589         flow_loop_scan.
4590
4591 2005-03-01  Nick Clifton  <nickc@redhat.com>
4592
4593         * config/arm/arm.c (thumb_find_work_register): Check all of the
4594         argument registers to see if they are free, and a couple of
4595         special cases where the last argument register but can be proved
4596         to be available during the function's prologue.
4597         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
4598         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
4599         thumb_unexpanded_epilogue): Use unsigned long as the type for the
4600         register bit-mask.
4601         (thumb_compute_save_reg_mask): Likewise.  Also use
4602         thumb_find_work_register() to ensure that there is agreement about
4603         which work register is going to be used in the prologue.
4604         (thumb_output_function_prologue): Use unsigned long as the type
4605         for the register bit-mask.  Also delay pushing the link register if
4606         other high registers are going to be pushed.
4607         (thumb_compute_save_reg_mask, emit_multi_reg_push,
4608         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
4609         redundant prototypes.
4610
4611 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
4612
4613         PR target/19819
4614         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
4615         and after reload in REG+REG indexed addresses without REG_POINTER
4616         set in the base and not set in the index.
4617
4618 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4619
4620         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
4621         Don't undefine here.
4622         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
4623         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
4624         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4625         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
4626         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
4627         Delete.
4628         * config.gcc (sh*-*-linux*): Use config/linux.h.
4629
4630 2005-02-28  Dale Johannesen  <dalej@apple.com>
4631             Stan Shebs  <shebs@apple.com>
4632
4633         Rewrite of 64-bit Darwin structure-by-value pass/return.
4634         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
4635         intoffset, use_stack, named.
4636         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
4637         (rs6000_darwin64_record_arg_advance_flush):  New.
4638         (rs6000_darwin64_record_arg_advance_recurse): New.
4639         (rs6000_darwin64_record_arg_flush):  New.
4640         (rs6000_darwin64_record_arg_recurse):  New.
4641         (rs6000_darwin64_record_arg):  New.
4642         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
4643         (function_arg_boundary):  Handle 128-bit aligned structs.
4644         (function_arg_advance):  Rewrite darwin64 struct handling.
4645         (function_arg):  Call rs6000_darwin64_record_arg.
4646         (function_arg_partial_nregs):  Handle darwin64 structs.
4647         (rs6000_darwin64_function_value):  Remove.
4648         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
4649
4650 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4651
4652         PR tree-optimization/20216
4653         * tree-chrec.c (tree_fold_factorial): Delete.
4654         (tree_fold_binomial): Change argument list to take a return type
4655         and change the type of K to unsigned int.  Rewrite to avoid explicit
4656         evaluation of factorials, and (recursively) calling fold to perform
4657         compile-time arithmetic.  Return NULL on (internal) overflow.
4658         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
4659         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
4660         if any intermediate calculation overflows.
4661         (chrec_apply): Update call to chrec_evaluate.
4662
4663 2005-02-28  James E Wilson  <wilson@specifixinc.com>
4664
4665         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
4666
4667 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
4668
4669         PR c/20245
4670         * c-parser.c (c_parser_compound_statement): Return error_mark_node
4671         instead of NULL_TREE on error.
4672
4673 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
4674
4675         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
4676         (EASY_VECTOR_15_ADD_SELF): Remove.
4677         (num_insns_constant_wide): Not static.
4678         (validate_condition_mode): Not static.
4679         (toc_relative_expr_p): Not static.
4680         (legitimate_indirect_address_p): Not static.
4681         (macho_lo_sum_memory_operand): Not static.
4682         (invalid_e500_subreg): Not static.
4683         (easy_vector_same): Not static.
4684         (easy_vector_splat_const): Not static.
4685         (RS6000_SYMBOL_REF_TLS_P): Remove.
4686         (any_operand): Delete.
4687         (any_parallel_operand): Delete.
4688         (count_register_operand): Delete.
4689         (altivec_register_operand): Delete.
4690         (xer_operand): Delete.
4691         (s8bit_cint_operand): Delete.
4692         (short_cint_operand): Delete.
4693         (u_short_cint_operand): Delete.
4694         (non_short_cint_operand): Delete.
4695         (exact_log2_cint_operand): Delete.
4696         (gpc_reg_operand): Delete.
4697         (cc_reg_operand): Delete.
4698         (cc_reg_not_cr0_operand): Delete.
4699         (reg_or_short_operand): Delete.
4700         (reg_or_neg_short_operand): Delete.
4701         (reg_or_aligned_short_operand): Delete.
4702         (reg_or_u_short_operand): Delete.
4703         (reg_or_cint_operand): Delete.
4704         (reg_or_arith_cint_operand): Delete.
4705         (reg_or_add_cint64_operand): Delete.
4706         (reg_or_sub_cint64_operand): Delete.
4707         (reg_or_logical_cint_operand): Delete.
4708         (got_operand): Delete.
4709         (got_no_const_operand): Delete.
4710         (easy_fp_constant): Delete.
4711         (easy_vector_constant): Delete.
4712         (easy_vector_constant_add_self): Delete.
4713         (zero_constant): Delete.
4714         (zero_fp_constant): Delete.
4715         (volatile_mem_operand): Delete.
4716         (offsettable_mem_operand): Delete.
4717         (mem_or_easy_const_operand): Delete.
4718         (add_operand): Delete.
4719         (non_add_cint_operand): Delete.
4720         (logical_operand): Delete.
4721         (non_logical_cint_operand): Delete.
4722         (mask_operand): Delete.
4723         (mask_operand_wrap): Delete.
4724         (mask64_operand): Delete.
4725         (mask64_2_operand): Delete.
4726         (and64_operand): Delete.
4727         (and64_2_operand): Delete.
4728         (and_operand): Delete.
4729         (reg_or_mem_operand): Delete.
4730         (lwa_operand): Delete.
4731         (symbol_ref_operand): Delete.
4732         (call_operand): Delete.
4733         (current_file_function_operand): Delete.
4734         (input_operand): Delete.
4735         (rs6000_nonimmediate_operand): Delete.
4736         (rs6000_tls_symbol_ref): Delete.
4737         (save_world_operation): Delete.
4738         (restore_world_operation): Delete.
4739         (load_multiple_operation): Delete.
4740         (store_multiple_operation): Delete.
4741         (vrsave_operation): Delete.
4742         (mfcr_operation): Delete.
4743         (mtcrf_operation): Delete.
4744         (lmw_operation): Delete.
4745         (stmw_operation): Delete.
4746         (branch_comparison_operator): Delete.
4747         (branch_positive_comparison_operator): Delete.
4748         (scc_comparison_operator): Delete.
4749         (trap_comparison_operator): Delete.
4750         (boolean_operator): Delete.
4751         (boolean_or_operator): Delete.
4752         (min_max_operator): Delete.
4753         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
4754         (EASY_VECTOR_15): Moved to here.
4755         (EASY_VECTOR_15_ADD_SELF): Move to here.
4756         (PREDICATE_CODES): Delete.
4757         * config/rs6000/rs6000-protos.h: Delete predicate functions.
4758         Declare functions no longer static.
4759         * config/rs6000/predicates.md: New.
4760         * config/rs6000/rs6000.md: Include predicates.md
4761
4762 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
4763
4764         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
4765         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
4766         REG_ALWAYS_RETURN.
4767         * cfgrtl.c (need_fake_edge_p): Likewise.
4768         * combine.c (distribute_notes): Likewise.
4769         * emit-rtl.c (try_split): Likewise.
4770         * recog.c (peephole2_opimize): Likewise.
4771         * reg-notes.def (ALWAYS_RETURN): Remove.
4772         * rtl.h (LCT_ALWAYS_RETURN): Remove.
4773         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
4774         * tree.h (ECF_ALWAYS_RETURN): Remove.
4775
4776 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4777
4778         PR middle-end/19874
4779         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
4780         between different machine modes is never a "useless" conversion.
4781
4782 2005-02-28  Geert Bosch  <bosch@gnat.com>
4783
4784         PR ada/15977
4785         * doc/contrib.texi: List contributors for Ada front end
4786
4787 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
4788
4789         * simplify-rtx.c (simplify_unary_operation_1,
4790         simplify_const_unary_operation): New, extracted from...
4791         (simplify_unary_operation): ... this one.
4792         (simplify_binary_operation_1,
4793         simplify_const_binary_operation): New, extracted from...
4794         (simplify_binary_operation): ... this one.
4795         * rtl.h (simplify_const_unary_operation,
4796         simplify_const_binary_operation): Add prototypes.
4797
4798 2005-02-28  Julian Brown  <julian@codesourcery.com>
4799
4800         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
4801         building libjava and caused PR regression/20228.
4802
4803 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
4804
4805         PR bootstrap/17383
4806         * Makefile.in (host_subdir): New.
4807         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
4808         * configure: Regenerate.
4809
4810 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
4811
4812         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
4813         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
4814         installation directory first.
4815
4816 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
4817
4818         PR target/19065.
4819         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
4820         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
4821         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
4822         * config/cris/cris.md: Tweak comments referring to Q.
4823         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
4824         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
4825         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
4826         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
4827         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
4828         Insert spaces in constraints to align alternatives vertically for
4829         readability.
4830         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
4831         operand 1: "M".
4832
4833 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4834
4835         PR rtl-optimization/17728
4836         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
4837         operand 0 from general_operand to move_dest_operand.
4838
4839 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4840
4841         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
4842         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
4843         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
4844         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
4845
4846 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
4847
4848         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
4849         * configure: Regenerate.
4850         * libada-mk.in: Remove CC; rename
4851         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
4852
4853 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
4854
4855         PR tree-opt/20188
4856         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
4857         for the lhs, also walk over the tree.  Likewise for rhs.
4858
4859 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
4860
4861         * tree-ssa-dom.c (simple_iv_increment_p): New function.
4862         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
4863         Do not propagate value of iv before increment over the increment.
4864
4865 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
4866
4867         * c-parser.c: New file.
4868         * c-parse.in: Remove.
4869         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
4870         Remove.
4871         (c-parser.o): Add dependencies.
4872         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
4873         maintainer-clean, TAGS): Update.
4874         * c-config-lang.in (gtfiles): Update.
4875         * gengtype-lex.l: Don't handle "@@".
4876         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
4877         objc_build_synchronized, objc_begin_try_stmt,
4878         objc_begin_catch_clause, objc_finish_catch_clause,
4879         objc_build_finally_clause, objc_finish_try_stmt): New.
4880         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
4881         type_seen_p.
4882         (c_parse_init): Update comment.
4883         * c-decl.c (c_init_decl_processing): Update comment.
4884         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4885         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
4886         new c_declspecs members.
4887
4888 2005-02-25  Julian Brown  <julian@codesourcery.com>
4889
4890         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4891         from being used for symbols with vague linkage when
4892         HAVE_GAS_COMDAT_GROUP is true.
4893
4894 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
4895
4896         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
4897
4898 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
4899
4900         PR target/19930
4901         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
4902         (LIBGCC2_HAS_DF_MODE): New.
4903         (LIBGCC2_HAS_XF_MODE): New.
4904         (LIBGCC2_HAS_TF_MODE): New.
4905         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
4906         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
4907         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
4908         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
4909         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
4910         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
4911         and add _fixtfdi, _fixunstfdi, _floatditf
4912         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
4913         L_fixunstfdi, L_floatditf.
4914         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
4915         (LIBGCC2_HAS_TF_MODE): Define.
4916
4917 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
4918
4919         PR tree-optimization/20204
4920         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
4921         REWRITE_THIS_STMT markers on PHI nodes.
4922         (rewrite_initialize_block): Likewise.
4923
4924 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
4925
4926         * version.c (version_string): Update to 4.1.
4927
4928 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
4929
4930         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
4931         Clarify that the alternative way doesn't work in GNU C++.
4932
4933 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4934
4935         PR tree-optimization/19937
4936         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
4937         to the type of the induction variable.
4938
4939 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4940
4941         PR rtl-optimization/20117
4942         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
4943         the block including noncopyable insn.
4944
4945 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
4946
4947         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
4948         calls to find_reg_note.
4949
4950 2005-02-24  Richard Henderson  <rth@redhat.com>
4951
4952         PR tree-opt/20127
4953         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
4954         the type.
4955
4956 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
4957
4958         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
4959         vector types if to use base reg for misaligned non-word ld/std.
4960
4961 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
4962
4963         PR target/14619
4964         * config/cris/cris.c (cris_target_asm_function_prologue): Create
4965         dwarf2 label manually and put it after, not before the prologue.
4966
4967 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
4968
4969         PR target/19019
4970         * reload.c (operands_match_p): Only increment register number for
4971         SCALAR_INT_MODE_P modes in multiple hard registers.
4972
4973         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
4974         Fix formatting.
4975
4976 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4977
4978         * ChangeLog.5: Fix log message typo(s).
4979         * ChangeLog.7: Likewise.
4980         * ChangeLog.tree-ssa: Likewise.
4981         * cfgexpand.c: Fix comment typo(s).
4982         * conflict.c: Likewise.
4983         * defaults.h: Likewise.
4984         * dwarf2out.c: Likewise.
4985         * gcse.c: Likewise.
4986         * ggc-page.c: Likewise.
4987         * tree-eh.c: Likewise.
4988         * tree-ssa-dom.c: Likewise.
4989
4990 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
4991
4992         PR target/19019
4993         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
4994         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
4995         if SHARED is defined.
4996
4997         PR target/20196
4998         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
4999         allow splitting only if operands 0 and 3 don't overlap.
5000
5001 2005-02-24  Richard Henderson  <rth@redhat.com>
5002
5003         PR middle-end/19953
5004         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5005         (fold_builtin_1): Call them.
5006         * fold-const.c (fold_complex_mult_parts): Split out from ...
5007         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5008         (fold_complex_div_parts, fold_complex_div): New.
5009         (fold): Use them.
5010         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5011
5012 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5013
5014         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5015         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5016
5017         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5018         (print_node): Likewise.
5019         Print TYPE_SIZES_GIMPLIFIED.
5020
5021 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5022
5023         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5024         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5025         operands as commutative in constraints.
5026
5027 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5028
5029         * tree-into-ssa.c: Re-organize internal functions.
5030
5031 2005-02-24  Richard Henderson  <rth@redhat.com>
5032
5033         PR middle-end/18902
5034         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5035         for c99.
5036         * common.opt (fcx-limited-range): New.
5037         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5038         * toplev.c (flag_complex_method): Initialize to 1.
5039         (process_options): Set flag_complex_method to 0 if
5040         flag_cx_limited_range.
5041         * doc/invoke.texi (-fcx-limited-range): New.
5042
5043 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5044
5045         * cse.c (delete_trivially_dead_insns): Speed up by using
5046         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5047         prev_real_insn.
5048
5049 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5050
5051         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5052         functions when -mid-shared-library is being used.
5053
5054 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5055
5056         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5057         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5058         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5059         * system.h: Poison LINK_LIBGCC_SPECIAL.
5060
5061 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5062
5063         * gengtype.c (note_insn_name): Make 1 element larger.
5064
5065 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5066
5067         PR target/20018
5068         PR rtl-optimization/20097
5069         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5070         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5071
5072 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5073
5074         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5075         * t-aix52 (SHLIB_INSTALL): Same.
5076
5077 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5078
5079         * genpreds.c: Update copyright.
5080
5081 2005-02-23  Michael Beach  <michaelb@ieee.org>
5082
5083         PR target/20159
5084         * config/sparc/t-elf (startup files): Assemble with CPP.
5085
5086 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5087
5088         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5089         (write_predicate_expr): Likewise.
5090
5091 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5092
5093         PR tree-optimization/20100
5094         PR tree-optimization/20115
5095         * tree-optimize.c (init_tree_optimization_passes): Remove
5096         pass_maybe_create_global_var.
5097         * tree-pass.h (pass_maybe_create_global_var): Remove.
5098         * tree-ssa-alias.c (aliases_computed_p): Declare.
5099         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5100         (count_calls_and_maybe_create_global_var): Remove.
5101         (pass_maybe_create_global_var): Remove.
5102         (init_alias_info): Do not declare aliases_computed_p.
5103         (maybe_create_global_var): If the function contains no
5104         call-clobbered variables and a mix of pure/const and regular
5105         function calls, create .GLOBAL_VAR.
5106         Mark all call-clobbered variables for renaming.
5107         (merge_pointed_to_info): Update comment.
5108         (add_pointed_to_var): Likewise.
5109         (is_escape_site): Likewise.
5110         Accept struct alias_info * instead of size_t *.
5111         Update all users.
5112         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5113         as necessary.
5114         * tree-ssa-operands.c (get_call_expr_operands): If
5115         ALIASES_COMPUTED_P is false, do not add call-clobbering
5116         operands.
5117         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5118         (delete_tree_ssa): Likewise.
5119
5120 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5121
5122         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5123         (do_compile): Do call it here.
5124
5125 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5126
5127         PR rtl-optimization/20017.
5128         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5129         rest_of_handle_cse2, rest_of_handle_gcse): Call
5130         delete_dead_jumptables immediately before calling cleanup_cfg.
5131
5132 2005-02-22  Devang Patel  <dpatel@apple.com>
5133
5134         PR 19952
5135         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5136         all labels
5137
5138 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5139
5140         * config/rs6000/aix.h (WINT_TYPE): Define.
5141
5142 2005-02-22  Stan Shebs  <shebs@apple.com>
5143
5144         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5145         natural alignment for 64-bit Darwin.
5146         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5147         on 64-bit Darwin.
5148         * doc/invoke.texi: Document this.
5149
5150 2005-02-22  DJ Delorie  <dj@redhat.com>
5151
5152         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5153         to make_[un]signed_type, not the mode itself.
5154
5155 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5156
5157         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5158         not available.  Use tail calls wherever possible.
5159         (make_edge): Call unchecked_make_edge to create an edge.
5160
5161         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5162         (coalesce_ssa_name): Don't check for
5163         SSANORM_USE_COALESCE_LIST.
5164         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5165
5166 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5167
5168         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5169         (rewrite_into_ssa): ... here.
5170
5171 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5172
5173         PR tree-optimization/19786
5174         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5175         tag to another's may-alias bitmap when adding to the other's list.
5176
5177 2005-02-21  DJ Delorie  <dj@redhat.com>
5178
5179         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5180         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5181         registers in unsupported ways.
5182         * expmed.c (init_expmed): Likewise.
5183
5184 2005-02-21  Stan Cox  <scox@redhat.com>
5185
5186         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5187
5188 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5189
5190         * tree-cfg.c (fold_cond_expr_cond): New.
5191         (make_edges): Call fold_cond_expr_cond.
5192         (find_taken_edge): Accept nothing but INTEGER_CST.
5193         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5194         and 1.
5195         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5196
5197         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5198         that do not belong to any basic block.
5199
5200 2005-02-21  Jeff Law  <law@redhat.com>
5201
5202         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5203         e->dest.
5204
5205 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5206
5207         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5208         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
5209         Adjust their definitions.
5210         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
5211         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
5212
5213         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
5214         genautomata.c, langhooks.c, langhooks.h, system.h,
5215         config/arm/lib1funcs.asm: Update copyright.
5216
5217 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5218
5219         * dbxout.c (dbxout_function_end): Emit Lscope label always.
5220
5221 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
5222
5223         PR bootstrap/13770
5224         * doc/install.texi: Document --with-gc.
5225
5226 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
5227
5228         * simplify-rtx.c (simplify_unary_operation): Add a missing
5229         "break" statement.
5230
5231 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5232
5233         PR tree-optimization/18663
5234         * tree-ssa-dom.c (extract_range_from_cond): Return 0
5235         if the type has variable bounds.
5236
5237 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
5238
5239         * gcse.c: Remove an obsolete comment.
5240
5241         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
5242
5243 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
5244
5245         * doc/extend.texi (Function Attributes) <Attribute const>: The
5246         attribute "pure" is below this text, not above.
5247
5248 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5249
5250         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
5251         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
5252         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
5253
5254 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
5255
5256         PR 18785
5257         * langhooks.h (struct lang_hooks): Add to_target_charset.
5258         * langhooks.c (lhd_to_target_charset): New function.
5259         * langhooks-def.h: Declare lhd_to_target_charset.
5260         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
5261         (LANG_HOOKS_INITIALIZER): Update.
5262         * c-common.c (c_common_to_target_charset): New function.
5263         * c-common.h: Declare it.
5264         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
5265         c_common_to_target_charset.
5266
5267         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
5268         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
5269         Delete definitions.
5270         * system.h: Poison them.
5271         * doc/tm.texi: Don't discuss them.
5272         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
5273         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
5274         (pp_c_char): Do not attempt to generate letter escapes for
5275         newline, tab, etc.
5276         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
5277         * config/mips/mips.c (mips_output_ascii): Likewise.
5278
5279 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
5280
5281         PR tree-optimization/19951
5282         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
5283         is abnormal.
5284
5285 2005-02-19  Steven Bosscher  <stevenb@suse.de>
5286
5287         PR middle-end/19698
5288         * function.h (struct function): New field `max_loop_depth'.
5289         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
5290         (flow_loops_find): Reset the max loop depth count before finding loops.
5291         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
5292         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
5293         (calculate_global_regs_live): Make sure the loop will terminate
5294         when the initial sets are not empty.
5295
5296 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
5297
5298         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
5299         object inside.
5300         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
5301
5302 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
5303
5304         PR other/19525
5305         * doc/invoke.texi: Remove documentation of %M spec.
5306         * gcc.c: Likewise.
5307         (init_spec): Remove %M suffix from -lgcc_s.
5308         (do_spec_1): Remove 'M' case.
5309         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
5310         to put shared libraries in the multilib directory.  Remove the
5311         shlib_so_soname substitution variable.  Don't add a multilib encoding
5312         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
5313         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
5314         SHLIB_INSTALL as well as SHLIB_LINK.
5315         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
5316         (SHLIB_NAME): Delete.
5317         (SHLIB_DIR): New macro.
5318         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
5319         (SHLIB_INSTALL): Adjust accordingly.
5320         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
5321         * config/t-slibgcc-sld: Likewise.
5322         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
5323         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
5324         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
5325         in $(SHLIB_DIR).
5326         (SHLIBUNWIND_INSTALL): Adjust accordingly.
5327         * config/i386/t-nwld (SHLIB_SONAME): Delete.
5328         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
5329         Use @shlib_base_name@ instead of @shlib_so_name@.
5330         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
5331         and @shlib_base_name@.so in @multilib_dir@.
5332         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
5333         to the install path.
5334         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
5335         (SHLIB_LINK): Remove previous workaround.
5336         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
5337         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
5338         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
5339         the install path.
5340         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
5341         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
5342         (SHLIB_INSTALL): Adjust accordingly.
5343         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
5344         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
5345         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
5346         config/t-slibgcc-elf-ver.
5347
5348 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
5349             Jakub Jelinek  <jakub@redhat.com>
5350
5351         PR tree-optimization/19828
5352         * tree-ssa-loop-im.c: Add a TODO comment.
5353         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
5354         without side-effects.
5355
5356 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5357
5358         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
5359         call fold_convert.
5360
5361 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
5362
5363         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
5364         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
5365         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
5366         functions.
5367         (ia64_reorg): Delete fixup_errata call.
5368         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
5369         (TARGET_SWITCHES): Delete -mb-step entry.
5370
5371 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
5372
5373         PR c/20043
5374         * c-typeck.c (composite_type): Handle quals in transparent unions.
5375         (type_lists_compatible_p): Likewise.
5376
5377 2005-02-18  Stan Shebs  <shebs@apple.com>
5378
5379         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
5380         expressions in the .literal8 section.
5381
5382 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
5383
5384         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
5385
5386 2005-02-18  Roger Sayle  <roger@eyesopen.com>
5387
5388         * fold-const.c (constant_boolean_node): Always create values of the
5389         specified type, don't bother calling truthvalue_conversion.
5390
5391 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5392
5393         * except.c (output_function_exception_table): Call
5394         assemble_external_libcall (eh_personality_libfunc).
5395
5396 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5397
5398         PR target/19886
5399         * config/ia64/ia64.h (struct machine_function): Add state_num.
5400         * config/ia64/ia64.c (process_epilogue,
5401         process_for_unwind_directive): Use new unwind state numbers each
5402         time rather than state 1.
5403
5404 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
5405
5406         PR target/20054
5407         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
5408         before the "*llgt_didi" pattern.
5409
5410 2005-02-18  Jason Merrill  <jason@redhat.com>
5411
5412         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
5413
5414 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
5415
5416         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
5417         (div0): Use it in place of ARM_FUNC_ALIAS.
5418         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
5419
5420 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
5421
5422         PR middle-end/20030
5423         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
5424         access, the lower bound of the array type if it exists.
5425
5426 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
5427
5428         PR c++/20008
5429         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
5430         cases that are out-of-range for the index type.
5431
5432 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5433
5434         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
5435         (estimate_case_costs): Don't call convert.
5436         * expmed.c (expand_shift): Likewise.
5437         (make_tree): Call fold_convert instead of convert.
5438
5439 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5440
5441         PR c++/19813
5442         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
5443         that ref to be marked MEM_READONLY_P doesn't have base that needs
5444         constructing.
5445
5446 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5447
5448         * genautomata.c (output_get_cpu_unit_code_func,
5449         output_cpu_unit_reservation_p): Don't generate old-style function
5450         definitions.
5451
5452 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5453
5454         PR c++/20023
5455         PR tree-optimization/20009
5456         * convert.c (convert_to_integer): Revert 2005-02-16 change.
5457
5458         PR tree-optimization/18947
5459         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5460         inline, remove all nodes that are inlined into the extern inline
5461         being redefined.
5462
5463 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5464
5465         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
5466         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
5467         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
5468         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
5469         Update copyright.
5470
5471 2005-02-17  Roger Sayle  <roger@eyesopen.com>
5472
5473         PR tree-optimization/19917
5474         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
5475         to be potentially trapping.
5476
5477 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5478
5479         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
5480
5481 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5482
5483         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
5484         tem becomes a local variable which is set to the value of the
5485         back end defined INITIAL_FRAME_ADDRESS macro.
5486         (expand_builtin_frame_address): Omit the base parameter to
5487         expand_builtin_return_addr.
5488         (expand_builtin_profile_func): Likewise.
5489         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
5490         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
5491         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
5492
5493 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
5494
5495         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
5496         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
5497         * config/frv/frv.c (frv_function_epilogue): Likewise.
5498
5499 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
5500
5501         * lambda-code (perfect_nestify): Remove mark/unmark
5502         for rewriting hack.
5503         * tree-loop-linear.c (linear_transform_loops): Add
5504         rewrite_into_ssa call so that ssa is correct for
5505         rewriting into loop closed.
5506
5507 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
5508
5509         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
5510         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
5511         BITMAP_FREE.
5512         * bt-load.c (btr_def_live_range, combine_btr_defs,
5513         migrate_btr_def, migrate_btr_defs): Likewise.
5514         * cfgcleanup.c (thread_jump): Likewise.
5515         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
5516         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
5517         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
5518         df_rd_local_compute, df_reg_info_compute): Likewise.
5519         * dominance.c (init_dom_info, free_dom_info): Likewise.
5520         * flow.c (init_propagate_block_info,
5521         free_propagate_block_info): Likewise.
5522         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
5523         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
5524         modify_reg_pav): Likewise.
5525         * loop-invariant.c (find_defs, find_invariant_insn,
5526         find_invariants, free_inv_motion_data): Likewise.
5527         * predict.c (tree_predict_by_opcode,
5528         estimate_bb_frequencies): Likewise.
5529         * stmt.c (expand_case): Likewise.
5530         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
5531         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
5532         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
5533         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
5534         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
5535         rewrite_ssa_into_ssa): Likewise.
5536         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5537         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
5538         analyze_edges_for_bb, perform_edge_inserts): Likewise.
5539         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
5540         * tree-sra.c (tree_sra): Likewise.
5541         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
5542         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5543         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
5544         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
5545         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
5546         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
5547         Likewise.
5548         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
5549         calculate_live_on_entry, calculate_live_on_exit,
5550         build_tree_conflict_graph): Likewise.
5551         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
5552         record_important_candidates, set_use_iv_cost, find_depends,
5553         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
5554         tree_ssa_iv_optimize_finalize): Likewise.
5555         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
5556         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
5557         tree_duplicate_loop_to_header_edge): Likewise.
5558         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
5559         * tree-ssa.c (verify_flow_insensitive_alias_info,
5560         verify_name_tags, verify_ssa, init_tree_ssa,
5561         delete_tree_ssa): Likewise.
5562         * tree-ssanames.c (marked_ssa_names, init_ssanames,
5563         fini_ssanames): Likewise.
5564         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
5565
5566 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
5567
5568         * config/rs6000/t-rtems: Completely reworked.
5569
5570 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5571
5572         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
5573
5574 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5575
5576         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
5577         POINTER_TYPE_P when checking that type is a pointer.
5578         (vect_get_memtag): Remove.
5579         (vect_address_analysis): Use POINTER_TYPE_P. Call
5580         vect_object_analysis with dummy parameter for memtag.
5581         (vect_object_analysis): Extract memtag (functionality that
5582         used to be in vect_get_memtag and moved here). Fix printings.
5583         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
5584         with correct parameters. Remove call to vect_get_memtag.
5585
5586 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
5587
5588         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
5589         (tree-vectorizer.o): Added missing dependencies.
5590
5591         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
5592         decleration.
5593         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
5594         declaration in tree-vectorizer.c, now has an extern declaration in
5595         tree-vectorizer.h).
5596         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5597         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5598         get_vectype_for_scalar_type, vect_is_simple_use,
5599         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5600         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
5601         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
5602         vectorizable_store, vectorizable_operation, vectorizable_assignment,
5603         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
5604         find_loop_location): Likewise.
5605
5606         * tree-vectorizer.c (langhooks.h): #include removed.
5607         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
5608         moved to tree-vectorized.h.
5609         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5610         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5611         get_vectype_for_scalar_type, vect_is_simple_use,
5612         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5613         vect_supportable_dr_alignment, new_loop_vec_info,
5614         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
5615         vect_set_verbosity_level, find_loop_location): Likewise.
5616
5617         (vect_analyze_loop): Function externalized. Declaration moved to
5618         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
5619         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
5620         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
5621         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
5622         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
5623         vect_enhance_data_refs_alignment, vect_analyze_operations,
5624         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
5625         vect_stmt_relevant_p, vect_get_loop_niters,
5626         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
5627         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
5628         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
5629         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
5630         vect_get_memtag): Likewise.
5631
5632         (vectorizable_load): Function externalized. Declaration moved to
5633         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
5634         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
5635         vect_transform_loop): Likewise.
5636         (vect_transform_stmt): Moved to tree-vect-transform.c.
5637         (vect_align_data_ref, vect_create_destination_var,
5638         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
5639         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
5640         vect_get_vec_def_for_operand, vect_init_vector,
5641         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
5642         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
5643         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
5644         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
5645         vect_do_peeling_for_loop_bound): Likewise.
5646
5647         * tree-vect-analyze.c: New file.
5648         * tree-vect-transform.c: New file.
5649
5650 2005-02-17  Jason Merrill  <jason@redhat.com>
5651
5652         PR mudflap/19319, c++/19317
5653         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
5654         slot explicit.
5655
5656 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
5657
5658         * doc/install.texi (Specific): Update link for Darwin-specific
5659         tool binary site.
5660
5661 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
5662
5663         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
5664         constant_boolean_node.
5665
5666 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
5667
5668         PR target/19019
5669         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
5670         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
5671
5672 2005-02-16  Richard Henderson  <rth@redhat.com>
5673
5674         PR 19920
5675         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
5676         with W_TYPE_SIZE.
5677         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
5678         replace uses with Wtype_MAXp1_F.
5679         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
5680         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
5681         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
5682         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
5683         and HAVE_TFMODE as appropriate.
5684         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
5685         (__floatdisf): Likewise.
5686         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
5687         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
5688         (Wtype_MAXp1_F): New.
5689         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
5690         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
5691
5692 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
5693
5694         * PR target/19162
5695         * arm.c (arm_apply_result_size): New function.
5696         * arm.h (APPLY_RESULT_SIZE): Define.
5697         * arm-protos.h (arm_apply_result_size): Add prototype.
5698         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
5699         (movxf): New expand.
5700         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
5701         (call_value_symbol): Remove predicate for operand 0.
5702         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
5703         (untyped_call): Rework to correclty return values for any type.
5704         (untyped_return): New expand.
5705         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
5706
5707 2005-02-16  Stan Shebs  <shebs@apple.com>
5708
5709         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
5710         * config/rs6000/t-darwin8: New, for 64-bit multilib.
5711
5712 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5713
5714         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
5715         configure settings on Solaris 7 and later.
5716
5717 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
5718
5719         PR tree-optimization/19865
5720         * tree-optimize.c (init_tree_optimization_passes): Run
5721         pass_may_alias after pass_sra.
5722
5723 2005-02-16  Richard Henderson  <rth@redhat.com>
5724             Stuart Hastings  <stuart@apple.com>
5725
5726         PR debug/19521
5727         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
5728         Do nothing if debug info suppressed for this function.
5729         (dbxout_begin_function): Early exit if debug info suppressed for
5730         this function.
5731
5732 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
5733
5734         PR target/20007
5735         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
5736         find_basic_blocks.
5737         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
5738
5739         PR tree-optimization/19967
5740         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
5741         expand_builtin_strchr, expand_builtin_strrchr): Take a new
5742         argument TYPE.  Adjust calls to fold_builtin_XXX.
5743         (expand_builtin, fold_builtin_1): Adjust calls to
5744         expand_builtin_XXX.
5745         (fold_builtin_strchr, fold_builtin_strpbrk,
5746         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
5747         result to a requested type TYPE.
5748
5749 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
5750
5751         PR middle-end/19857
5752         * fold-const.c (fold): Don't optimize (T)(x & cst) to
5753         (T)x & (T)cst if (T)cst overflows.
5754         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
5755         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
5756
5757 2005-02-15  Jeff Law  <law@redhat.com>
5758
5759         * gcse.c (blocks_with_calls): New bitmap.
5760         (alloc_gcse_mem): Allocate it.
5761         (free_gcse_mem): Free it.
5762         (clear_modifY_mem_tables): Clear it.
5763         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
5764         when we encounter CALL_INSNs.
5765         (compute_transp, case MEM): Handle blocks with calls separate
5766         from blocks without calls.  Use bitmap iterators rather than
5767         FOR_EACH_BB.
5768
5769 2005-02-15  Peter O'Gorman  <peter@pogma.com>
5770
5771         PR bootstrap/18810
5772         * mklibgcc.in (vis_hide): Use a temporary object file, not
5773         -o /dev/null.
5774
5775 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5776
5777         PR target/19924
5778         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
5779         access optimization.
5780
5781 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
5782             Alan Modra  <amodra@bigpond.net.au>
5783
5784         PR target/19019
5785         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
5786         (_xlqsub): Rename to __gcc_qsub.
5787         (_xlqmul): Rename to __gcc_qmul.
5788         (_xlqdiv): Rename to __gcc_qdiv.
5789         Provide versioned symbol aliases with old names.
5790         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
5791         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
5792         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
5793         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
5794         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
5795
5796 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5797
5798         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
5799         Fold ~(A - 1) and ~(A + -1) to -A.
5800
5801 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5802
5803         PR pch/14940
5804         PR target/19300
5805         * config/host-linux.c (linux_gt_pch_use_address): Copy from
5806         config/pa/pa-host.c:pa_gt_pch_use_address.
5807
5808 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
5809
5810         * tree-vn.c (get_value_handle): Make sure that given an
5811         is_gimple_min_invariant expression, we always return it.
5812
5813 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5814
5815         * passes.c (rest_of_handle_gcse): Fix a comment.
5816
5817 2005-02-15  Jeff Law  <law@redhat.com>
5818
5819         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
5820         bitmap.
5821         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
5822         (canon_list_insert, record_last_mem_set_info): Similarly.
5823         (clear_modify_mem_tables): Similarly.
5824
5825 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5826
5827         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
5828         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
5829         config/mips/mips.md, config/rs6000/aix.h,
5830         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
5831
5832 2005-02-15  Richard Henderson  <rth@redhat.com>
5833
5834         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
5835         call to be best_edge.
5836
5837 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5838
5839         * basic-block.h: Adjust the prototype for find_basic_blocks.
5840         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
5841         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
5842         find_basic_blocks.
5843
5844         * flow.c (recompute_reg_usage): Remove all arguments.
5845         * passes.c (rest_of_compilation): Adjust the call to
5846         recompute_reg_usage.
5847         * rtl.h: Adjust the prototype for recompute_reg_usage.
5848
5849 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
5850
5851         * tree-dump.c (dump_files): Update to reflect new member
5852         of dump_file_info.
5853         (dump_register): Add new argument.
5854         Set glob name.
5855         (dump_switch_p_1): Check against glob name if doglob was passed.
5856         (dump_switch_p): Check against regular first, then glob if
5857         we didn't have any hits on the dump name.
5858         * tree-optimize.c (register_one_dump_file):
5859         Pass in glob name as well.
5860         * tree-pass.h (struct dump_file_info): Add glob
5861         member.
5862
5863 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
5864
5865         PR preprocessor/16323
5866         * doc/invoke.texi: Document that -Wendif-labels is on by default.
5867
5868 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
5869
5870         PR target/19019
5871         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
5872         (trunctfdf2_internal1): New.
5873         (trunctfdf2_internal2): Renamed from trunctfdf2.
5874
5875 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
5876
5877         PR tree-optimization/19853
5878         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
5879
5880 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5881
5882         * passes.c (rest_of_handle_loop_optimize): Remove calls to
5883         delete_dead_jumptables and cleanup_cfg.
5884
5885 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
5886
5887         * reload.c (find_reloads): Swap address_reloaded flags when
5888         swapping commutative operands.
5889
5890 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
5891
5892         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
5893         Use standard_iv_increment_position for computing the bsi position
5894         for create_iv.
5895         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
5896         the bsi position.
5897
5898 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
5899
5900         PR target/17428
5901         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
5902         life range of hard registers.
5903         * value-prof.c (insn_prefetch_values_to_profile): Only
5904         scan normal insns.
5905
5906         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
5907         profile in libcalls.
5908
5909 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
5910
5911         * bitmap.h (bitmap_and_compl_into): Return bool.
5912         * bitmap.c (bitmap_and_compl_into): Return changed flag.
5913
5914 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
5915
5916         PR tree-optimization/19944
5917         * fold-const.c (fold): Re-add ABS_EXPR folding.
5918
5919 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
5920
5921         PR target/19019
5922         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
5923         {TARGET,MASK}_XL_COMPAT.
5924         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
5925         MASK_XL_COMPAT.
5926         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
5927         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
5928         TARGET_XL_COMPAT.
5929         (rs6000_arg_partial_bytes): Same.
5930         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
5931         and XL compatibility enabled.
5932         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
5933         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
5934         test to final condition.
5935         (cmptf_internal2): New.
5936         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
5937         xl-compat.  Add TFmode information to description.
5938
5939 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
5940
5941         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
5942
5943 2005-02-13  Jason Merrill  <jason@redhat.com>
5944
5945         PR c++/16405
5946         * fold-const.c (fold_indirect_ref_1): Split out from...
5947         (build_fold_indirect_ref): Here.
5948         (fold_indirect_ref): New fn.
5949         * tree.h: Declare it.
5950         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
5951         (gimplify_modify_expr_rhs): Likewise.
5952         (gimplify_expr): Likewise.
5953
5954 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
5955
5956         PR tree-optimization/14303
5957         PR tree-optimization/15784
5958         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
5959         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
5960         ABS_EXPR<x> != 0 to x != 0.
5961
5962 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
5963
5964         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
5965         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
5966         spelling conventions.
5967
5968         * passes.c (rest_of_handle_gcse): Don't run cse_main and
5969         delete_trivially_dead_insns too many times.
5970
5971         * passes.c (rest_of_handle_gcse): Remove dead assignments to
5972         tem and tem2.
5973
5974 2005-02-12  Ira Rosen  <irar@il.ibm.com>
5975
5976         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
5977         (vect_is_simple_iv_evolution): Remove redundant parameter
5978         and step check.
5979         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
5980         without last parameter.
5981         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
5982         Return pointer step. Call vect_is_simple_iv_evolution without
5983         last parameter. Check only that the step is multiple of size
5984         type. Remove stmt_vinfo updates.
5985         (vect_get_memtag_and_dr): Remove.
5986         (vect_get_memtag): New function.
5987         (vect_address_analysis): New function.
5988         (vect_object_analysis): New function.
5989         (vect_analyze_data_refs): Call vect_object_analysis and
5990         vect_get_memtag. Update stmt_vinfo fields.
5991
5992 2005-02-12  Ira Rosen  <irar@il.ibm.com>
5993
5994         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
5995         exist and are objects. Remove checks for pointer.
5996         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
5997         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
5998         (vect_create_data_ref_ptr): Likewise.
5999         (vect_base_addr_differ_p): New function.
6000         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6001         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6002         Don't set the DR_BASE_NAME field of data-ref.
6003         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6004
6005 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6006
6007         * optabs.h (enum optab_index): Add new OTI_ldexp.
6008         (ldexp_optab): Define corresponding macro.
6009         * optabs.c (init_optabs): Initialize ldexp_optab.
6010         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6011         patterns.
6012         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6013         using ldexp_optab.
6014         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6015         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6016
6017         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6018         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6019         intrinsics.
6020
6021 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6022
6023         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6024         to base_address.
6025         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6026         stmt_vec_info.
6027         (vect_get_base_and_offset): Always return an address.
6028         (vect_create_addr_base_for_vector_ref): Remove treatment for
6029         different data reference types.
6030         (vect_compute_data_ref_alignment): Rename base to base_address in
6031         stmt_vec_info. Get the object in order to force its alignment.
6032         (vect_get_memtag_and_dr): Rename base to base_address in
6033         stmt_vec_info. Extract the object for memtag analysis.
6034
6035 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6036
6037         PR regression/19898.
6038         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6039         changes cc_status, use apply modified_in_p to part of cc_status
6040         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6041         body.
6042
6043 2005-02-11  Richard Henderson  <rth@redhat.com>
6044
6045         * tree-complex.c (expand_complex_libcall): New.
6046         (expand_complex_multiplication): Use it for c99 compliance.
6047         (expand_complex_division): Likewise.
6048         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6049         (fold): Call them.
6050         * builtins.c (built_in_names): Remove const.
6051         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6052         builtins.
6053         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6054         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6055         (built_in_names): Remove const.
6056         * c-common.c (c_common_type_for_mode): Handle complex modes.
6057         * flags.h, toplev.c (flag_complex_method): Rename from
6058         flag_complex_divide_method.
6059         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6060         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6061         * libgcc2.h: Declare them.
6062         * libgcc-std.ver: Export them.
6063         * mklibgcc.in (lib2funcs): Build them.
6064
6065 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6066
6067         PR tree-optimization/19876
6068         Partially revert my change from 2005-01-14
6069         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6070         (compute_antic): ...and remove the loop here.
6071
6072 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6073
6074         PR middle-end/19858
6075         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6076         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6077
6078         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6079         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6080
6081 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6082
6083         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6084         offsets for the big-endian 32-bit case.
6085
6086 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6087
6088         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6089
6090 2005-02-11  Dale Johannesen  <dalej@apple.com>
6091
6092         * cselib.c (cselib_process_insn):  Clear out regs where
6093         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6094         * reload.c (find_equiv_reg): Ditto.
6095
6096 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6097
6098         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6099         with no elements.
6100
6101         * tree.c (build_function_type_list): Work correctly if there are
6102         no arguments.
6103
6104 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6105
6106         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6107         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6108         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6109         TARGET_ZARCH instead of TARGET_64BIT.
6110
6111 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6112
6113         * config/rs6000/t-rtems:
6114         (MULTILIB_OPTIONS): Remove mcpu=602.
6115         (MUTLILIB_DIRNAMES): Remove m602.
6116         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6117         Let mcpu=602 match mcpu=603.
6118         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6119
6120 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6121
6122         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6123         signal trampolines.
6124
6125 2005-02-10  David Daney  <ddaney@avtrex.com>
6126
6127         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6128         * config/i386/linux-unwind.h: Likewise.
6129         * config/ia64/linux-unwind.h: Likewise.
6130         * config/mips/linux-unwind.h: Likewise.
6131         * config/pa/linux-unwind.h: Likewise.
6132         * config/rs6000/linux-unwind.h: Likewise.
6133         * config/s390/linux-unwind.h: Likewise.
6134         * config/sh/linux-unwind.h: Likewise.
6135         * config/sparc/linux-unwind.h: Likewise.
6136
6137 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6138
6139         PR tree-optimization/17549
6140         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6141         TER to replace a DEF with its expression if the DEF and the
6142         rhs of the expression we replace into have the same root
6143         variable.
6144
6145 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6146
6147         * config/mips/mips.md: Fix the placement of the match_scratch in the
6148         lea64 peephole2.
6149
6150 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6151
6152         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6153         Fix comment typos.
6154
6155 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6156
6157         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6158         (strip_offset): Handle addresses.
6159         (add_address_candidates): Use strip_offset.
6160         (difference_cost): Reflect strip_offset change.
6161         (force_var_cost, difference_cost): Strip nops.
6162
6163 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6164
6165         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6166
6167         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6168         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6169         config/cris/cris-protos.h, config/cris/cris.c: Update
6170         copyright.
6171
6172 2005-02-10  Jeff Law  <law@redhat.com>
6173
6174         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6175         (lookup_avail_expr): Similarly.
6176
6177 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6178
6179         * builtins.c (fold_builtin_powi): New function.
6180         (fold_builtin_1): Call it.
6181
6182 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6183
6184         PR documentation/19309
6185         * doc/cpp.texi: The __GNUC__ and related predefined macros
6186         are also defined for the "standalone" cpp.
6187         Some non-GCC compilers may also define __GNUC__.
6188
6189 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR c/19342
6192         * c-typeck.c (common_type): New routine.  Old common_type renamed
6193         to...
6194         (c_common_type): ...this.
6195         (build_conditional_expr, build_binary_op): Use c_common_type instead
6196         of common_type.
6197
6198 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6199
6200         * doc/md.texi: Replace @samp{length} with @code{length}.
6201
6202 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6203
6204         PR tree-optimization/18687
6205         * tree-flow.h (find_loop_niter): Declare.
6206         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6207         Try using scev even for loops with more than one exit.
6208         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
6209         (struct ivopts_data): Added niters field.
6210         (struct nfe_cache_elt): New.
6211         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
6212         functions.
6213         (tree_ssa_iv_optimize_init): Initialize niters cache.
6214         (determine_number_of_iterations): Removed.
6215         (find_induction_variables): Do not call determine_number_of_iterations.
6216         Access niters for single exit through niter_for_single_dom_exit.
6217         (add_iv_outer_candidates): Access niters for single exit through
6218         niter_for_single_dom_exit.
6219         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
6220         number_of_iterations_cond.
6221         (iv_period): New function.
6222         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
6223         (may_replace_final_value): Take data argument.  Use
6224         niter_for_single_dom_exit.
6225         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
6226         (rewrite_use_compare): Pass data to may_eliminate_iv.
6227         (rewrite_use_outer): Pass data to may_replace_final_value.
6228         (free_loop_data): Clean up the niters cache.
6229         (tree_ssa_iv_optimize_finalize): Free the niters cache.
6230         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
6231         * tree-ssa-loop-niter.c (find_loop_niter): New function.
6232         (find_loop_niter_by_eval): Use tree_int_cst_lt.
6233         (num_ending_zeros): Moved to tree.c.
6234         * tree.h (num_ending_zeros): Declare.
6235         * tree.c (num_ending_zeros): Moved from tree.c.
6236
6237 2005-02-09  Richard Henderson  <rth@redhat.com>
6238
6239         * builtins.c (DEF_BUILTIN): Add COND argument.
6240         * tree.h (DEF_BUILTIN): Likewise.
6241         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
6242         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
6243         match.
6244         (DEF_BUILTIN_STUB): New.
6245         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
6246         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
6247         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
6248         * c-common.c (DEF_BUILTIN): Add COND argument.
6249         * tree.c (local_define_builtin): New.
6250         (build_common_builtin_nodes): New.
6251
6252 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6253
6254         * fold-const.c (fold_strip_sign_ops): New function to simplify a
6255         floating point expression ignoring the sign of the result.
6256         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
6257         (fold) <MULT_EXPR>: Use it to simplify x*x.
6258         * tree.h (fold_strip_sign_ops): Prototype here.
6259         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
6260         argument.  Use fold_strip_sign_ops to simplify the first argument.
6261         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
6262         first argument when the second argument is an even integer
6263         constant, but only with -funsafe_math_optimizations.
6264         (fold_builtin_1): Update call to fold_builtin_copysign.
6265
6266 2005-02-09  Ian Lance Taylor  <ian@airs.com>
6267
6268         PR middle-end/19583
6269         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
6270         just check whether EH_FILTER_FAILURE falls through.
6271
6272 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
6273
6274         * gcc/haifa-sched.c (schedule_block): Make queued sched group
6275         insns return to ready list in the next turn.
6276
6277 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6278
6279         PR middle-end/19402
6280         * builtins.def: New __builtin_powi[lf].
6281         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
6282         (expand_builtin_powi): New function.
6283         (expand_builtin): Dispatch to expand_builtin_powi.
6284         * libgcc2.h: Add prototypes for __builtin_powi[lf].
6285         * libgcc2.c: Add __builtin_powi[lf] implementation.
6286         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
6287         * optabs.h: Add powi_optab.
6288         * optabs.c (init_optabs): Initialize powi_optab.
6289         * doc/extend.texi: Document __builtin_powi[lf].
6290
6291 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
6292
6293         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
6294         exists.
6295
6296 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6297
6298         PR middle-end/19854
6299         * fold-const.c (try_move_mult_to_index): Remove redundant
6300         type argument.  Create ADDR_EXPR with correct type.
6301         (fold): Update callers of try_move_mult_to_index.  Convert
6302         result to the appropriate type.
6303
6304 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6305
6306         PR target/19597
6307         * config/avr/avr.c (default_rtx_costs): Delete.
6308         (avr_operand_rtx_cost): New function.
6309         (avr_rtx_costs): Completely rewrite.
6310
6311 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
6312
6313         PR target/19806
6314         * config/cris/cris.c (in_code): New variable.
6315         (cris_output_addr_const): Now a static function, a wrapper for
6316         output_addr_const.
6317         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
6318         case from old cris_output_addr_const.
6319         (cris_asm_output_label_ref): Similar for LABEL_REF.
6320         (cris_output_addr_const_extra): Similar for UNSPEC.
6321         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
6322         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
6323         * config/cris/cris-protos.h (cris_output_addr_const): Remove
6324         declaration.
6325         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
6326         (cris_asm_output_label_ref): Declare.
6327
6328 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
6329
6330         PR preprocessor/19801
6331         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
6332         filenames that changed when libcpp was moved to the toplevel.
6333
6334 2005-02-07  Roger Sayle  <roger@eyesopen.com>
6335
6336         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6337         zero extensions of BImode operands.  Call lowpart_subreg instead
6338         of gen_lowpart_common and gen_lowpart_SUBREG.
6339
6340 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
6341
6342         PR ada/19489
6343         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
6344         * configure.ac: Set cc_for_cross_gnattools.
6345         * configure: Regenerate.
6346
6347 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
6348
6349         PR target/19803
6350         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
6351
6352 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6353
6354         PR debug/19327
6355         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
6356         of nested functions.
6357
6358 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
6359
6360         * doc/extend.texi: Document deprecated extensions allowing
6361         static floating-point members to have initializers and allowing
6362         floating-point literals in integral constant expressions.
6363
6364 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
6365
6366         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
6367         config/darwin7.h, config/mips/mips.c,
6368         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
6369         Update copyright.
6370
6371         * cse.c: Update comments.
6372
6373 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
6374
6375         PR middle-end/19775
6376         * builtins.c (fold_builtin_sqrt): Transform
6377         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
6378         pow(x,y*0.5).
6379
6380 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
6381             Dorit Naishlos  <dorit@il.ibm.com>
6382
6383         * doc/invoke.texi (ftree-vectorizer-verbose): New.
6384         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
6385         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
6386         was added.
6387         * tree.h (vect_set_verbosity_level): New extern function declaration
6388         added.
6389         * tree-vectorizer.h (verbosity_levels): New enum type.
6390         * tree-vectorizer.c (vect_debug_stats): Function removed.
6391         (vect_debug_details): Likewise.
6392         (vect_verbosity_level): Global variable was defined and initialized.
6393         (vect_dump): Global variable definition.
6394         (vect_print_dump_info): New function.
6395         (vect_set_dump_settings): New function.
6396         (vect_set_verbosity_level): New function.
6397         (vectorize_loops): Add call to vect_set_dump_settings.
6398
6399         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
6400         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6401         (slpeel_tree_peel_loop_to_edge): Likewise.
6402
6403         (vect_analyze_offset_expr): Call to vect_print_dump_info with
6404         appropriate verbosity level instead of call to vect_debug_details
6405         or vect_debug_stats.
6406         (vect_get_base_and_offset):
6407         (vect_create_addr_base_for_vector_ref):
6408         (get_vectype_for_scalar_type):
6409         (vect_create_data_ref_ptr):
6410         (vect_init_vector):
6411         (vect_get_vec_def_for_operand):
6412         (vect_finish_stmt_generation):
6413         (vectorizable_assignment):
6414         (vectorizable_operation):
6415         (vectorizable_store):
6416         (vectorizable_load):
6417         (vect_transform_stmt):
6418         (vect_update_ivs_after_vectorizer):
6419         (vect_do_peeling_for_loop_bound):
6420         (vect_update_inits_of_drs):
6421         (vect_do_peeling_for_alignment):
6422         (vect_transform_loop):
6423         (vect_is_simple_use):
6424         (vect_analyze_operations):
6425         (vect_is_simple_iv_evolution):
6426         (vect_analyze_scalar_cycles):
6427         (vect_analyze_data_ref_dependence):
6428         (vect_analyze_data_ref_dependences):
6429         (vect_compute_data_ref_alignment):
6430         (vect_enhance_data_refs_alignment):
6431         (vect_analyze_data_refs_alignment):
6432         (vect_analyze_data_ref_access):
6433         (vect_analyze_data_ref_accesses):
6434         (vect_analyze_pointer_ref_access):
6435         (vect_get_memtag_and_dr):
6436         (vect_analyze_data_refs):
6437         (vect_mark_relevant):
6438         (vect_stmt_relevant_p):
6439         (vect_mark_stmts_to_be_vectorized):
6440         (vect_can_advance_ivs_p):
6441         (vect_get_loop_niters):
6442         (vect_analyze_loop_form):
6443         (vect_analyze_loop):
6444         (vectorize_loops): Likewise.
6445
6446         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
6447         (vect_update_inits_of_drs):
6448         (vect_do_peeling_for_alignment):
6449         (vect_transform_loop):
6450         (vect_analyze_operations):
6451         (vect_analyze_scalar_cycles):
6452         (vect_analyze_data_ref_dependences):
6453         (vect_analyze_data_refs_alignment):
6454         (vect_analyze_data_ref_accesses):
6455         (vect_analyze_data_refs):
6456         (vect_mark_stmts_to_be_vectorized):
6457         (vect_get_loop_niters):
6458         (vect_analyze_loop_form):
6459         (vect_analyze_loop): Likewise.
6460         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
6461
6462 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
6463
6464         PR bootstrap/19796
6465         Revert:
6466         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6467         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6468         either -ffast-math or -funsafe-math-optimizations is in use.
6469
6470         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6471         * config/mips/irix-csr.c: New file.
6472         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6473         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6474         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6475         executables.
6476
6477 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
6478
6479         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
6480         redundant, incorrect definitions.
6481
6482         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
6483         expand.
6484         ("*tls_indirect_call"): New, reference hard regs directly.
6485         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
6486
6487 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6488
6489         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
6490         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
6491
6492 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6493
6494         PR rtl-optimization/19800
6495         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
6496         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
6497         gen_lowpart.
6498
6499 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6500
6501         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
6502
6503 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
6504
6505         PR other/17135
6506         * doc/invoke.texi: Correct documentation of -freorder-functions.
6507
6508 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6509
6510         PR other/14402
6511         * doc/invoke.texi: Don't mention gccbug.
6512
6513 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6514             Andrew Pinski  <pinskia@physics.uc.edu>
6515             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
6516
6517         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6518         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
6519         into just (zero_extract:SI FOO (const_int 1) BAR).
6520
6521 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6522
6523         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
6524         macro locally.  Don't give last revision date.  Use GCC version
6525         number from gcc-common.texi.
6526         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
6527         revision date.  Use GCC version number from gcc-common.texi.
6528         Describe being a library as current state rather than as 3.x
6529         history.
6530         * doc/gcc.texi: Remove last update date.
6531         * doc/gccint.texi: Likewise.  Update copyright dates.
6532         * doc/install.texi: Update copyright dates.
6533
6534 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6535
6536         PR other/7549
6537         * doc/invoke.texi: Mention for each option included in -Wall that
6538         it is included in -Wall.
6539         * doc/gcc.texi: Update copyright and last modification date.
6540
6541 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6542
6543         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
6544         unnecessary cast to original induction variable increments.
6545
6546 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6547
6548         PR tree-optimization/18219
6549         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
6550         in distributed form.
6551
6552 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
6553
6554         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
6555         Set bitpos and offset later in the function.  Do nothing if the
6556         target is a register and if the bitfield lies completely outside
6557         that register.
6558         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
6559         here.  Return an uninitialised register if the source value is stored
6560         in a register and the bitfield lies completely outside that register.
6561
6562 2005-02-06  Steven Bosscher  <stevenb@suse.de>
6563
6564         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
6565         not SET_DEST.
6566
6567 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
6568
6569         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
6570
6571 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
6572
6573         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
6574         * config/darwin8.h: New.
6575         * config/darwin7.h: Update comment.
6576
6577 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6578             Dorit Naishlos  <dorit@il.ibm.com>
6579
6580         * tree-vectorizer.h (LOC): New type.
6581         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
6582         (loop_line_number): New field in struct _loop_vec_info.
6583         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
6584
6585         * tree-vectorizer.c (input.h): Included.
6586         (find_loop_location): New function.
6587         (vect_debug_stats): Argument changed from loop to LOC. Computation of
6588         loop line number removed.
6589         (vect_debug_details): Likewise.
6590         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
6591
6592         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
6593         call to vect_debug_details/stats changed from loop to loop_loc.
6594         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6595         (slpeel_tree_peel_loop_to_edge): Likewise.
6596
6597         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
6598         changed from NULL to UNKNOWN_LOC.
6599         (vect_get_base_and_offset):
6600         (vect_create_addr_base_for_vector_ref):
6601         (get_vectype_for_scalar_type):
6602         (vect_create_data_ref_ptr):
6603         (vect_init_vector):
6604         (vect_get_vec_def_for_operand):
6605         (vect_finish_stmt_generation):
6606         (vectorizable_assignment):
6607         (vectorizable_operation):
6608         (vectorizable_store):
6609         (vectorizable_load):
6610         (vect_transform_stmt):
6611         (vect_update_ivs_after_vectorizer):
6612         (vect_do_peeling_for_loop_bound):
6613         (vect_do_peeling_for_alignment):
6614         (vect_transform_loop):
6615         (vect_is_simple_use):
6616         (vect_analyze_operations):
6617         (vect_is_simple_iv_evolution):
6618         (vect_analyze_scalar_cycles):
6619         (vect_analyze_data_ref_dependences):
6620         (vect_compute_data_ref_alignment):
6621         (vect_enhance_data_refs_alignment):
6622         (vect_analyze_data_ref_access):
6623         (vect_analyze_data_ref_accesses):
6624         (vect_analyze_pointer_ref_access):
6625         (vect_get_memtag_and_dr):
6626         (vect_analyze_data_refs):
6627         (vect_mark_relevant):
6628         (vect_stmt_relevant_p):
6629         (vect_mark_stmts_to_be_vectorized):
6630         (vect_can_advance_ivs_p):
6631         (vect_get_loop_niters):
6632         (vect_analyze_loop):
6633         (vectorize_loops): Likewise.
6634
6635         (vectorizable_load): Argument in call to vect_debug_details/stats
6636         changed from loop to LOOP_LOC (loop_vinfo).
6637         (vect_transform_loop):
6638         (vect_analyze_operations):
6639         (vect_analyze_scalar_cycles):
6640         (vect_analyze_data_ref_dependence):
6641         (vect_enhance_data_refs_alignment):
6642         (vect_analyze_data_ref_accesses):
6643         (vect_analyze_pointer_ref_access):
6644         (vect_analyze_data_refs):
6645         (vect_analyze_loop): Likewise.
6646
6647         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
6648         changed from loop to loop_loc.
6649
6650         (vect_enhance_data_refs_alignment): Removed unused variable loop.
6651
6652 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6653             Dorit Naishlos  <dorit@il.ibm.com>
6654
6655         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
6656         declaration added.
6657         (vect_analyze_data_ref_dependences): Likewise.
6658
6659         (vect_is_simple_use): Argument changed from loop structure to
6660         loop_vect_info structure.
6661         (vect_can_advance_ivs_p): Likewise.
6662         (vect_create_index_for_vector_ref): Likewise.
6663         (vect_update_ivs_after_vectorizer): Likewise.
6664         (new_stmt_vec_info): Likewise.
6665
6666         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
6667         changed from loop to loop_vinfo.
6668         (vect_create_data_ref_ptr): First argument in call to
6669         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
6670         (vectorizable_assignment): Second argument in call to vect_is_simple_use
6671         was changed from loop to loop_vinfo.
6672         (vectorizable_operation): Likewise.
6673         (vectorizable_store): Likewise.
6674         (vect_mark_stmts_to_be_vectorized): Likewise.
6675         (vect_do_peeling_for_loop_bound): First argument in call to
6676         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
6677         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
6678         was changed from loop to loop_vinfo.
6679         (vect_analyze_data_ref_dependences): Third argument in call to
6680         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
6681
6682         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
6683         (vect_create_data_ref_ptr): Likewise.
6684         (vect_init_vector): Likewise.
6685         (vect_get_vec_def_for_operand): Likewise.
6686         (vectorizable_assignment): Likewise.
6687         (vectorizable_operation): Likewise.
6688         (vectorizable_store): Likewise.
6689         (vectorizable_load): Likewise.
6690         (vect_update_ivs_after_vectorizer): Likewise.
6691         (vect_is_simple_use): Likewise.
6692         (vect_analyze_data_ref_dependence): Likewise.
6693         (vect_analyze_pointer_ref_access): Likewise.
6694         (vect_can_advance_ivs_p): Likewise.
6695
6696         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
6697         before _stmt_vec_info.
6698         (_stmt_vec_info): Loop field replaced by loop_vec_info.
6699         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
6700         (new_stmt_vec_info): Argument changed from loop structure to
6701         loop_vect_info structure
6702
6703         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
6704         (vect_analyze_offset_expr): Avoid 80 columns overflow.
6705         (vect_create_addr_base_for_vector_ref): Likewise.
6706         (vect_analyze_pointer_ref_access): Likewise.
6707
6708 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6709
6710         PR tree-opt/19768
6711         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
6712         phi flag if the phi is abnormal.
6713
6714 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6715
6716         PR tree-opt/19736
6717         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
6718         information for the new statement.
6719
6720 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6721
6722         PR driver/19117
6723         * gcc.c (main): Include the target in -v output.
6724
6725 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
6726
6727         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
6728         Do not drop the extend if we'd have to add a paradoxical subreg
6729         later.  Include optabs.h and insn-codes.h.
6730         * Makefile.in (combine.o): Depend on $(OPTABS_H).
6731
6732 2005-02-02  Roger Sayle  <roger@eyesopen.com>
6733
6734         PR middle-end/19405
6735         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
6736         * fold-const.c (const_binop): Avoid constant folding floating
6737         point operations in modes that use composite representations.
6738         * simplify-rtx.c (simplify_binary_operation): Likewise.
6739
6740 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
6741
6742         * config/rs6000/altivec.md (altivec_dst): Make the first operand
6743         a REG, not a MEM.
6744         (altivec_dstt): Likewise.
6745         (altivec_dstst): Likewise.
6746         (altivec_dststt): Likewise.
6747         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
6748         of first operand.
6749
6750 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6751
6752         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
6753         EXPR_LOCUS from orig_cond to the new cond_stmt.
6754         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
6755         the new vec_stmt.
6756
6757 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6758
6759         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
6760         standard_iv_increment_position. Remove call to bsi_next
6761         (no need to bump the iterator anymore).
6762         (vect_create_index_for_vector_ref): Call
6763         standard_iv_increment_position. Remove second function argument.
6764         (vect_finish_stmt_generation): Remove call to bsi_next
6765         (no need to bump the iterator anymore).
6766         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
6767         to vect_create_index_for_vector_ref.
6768
6769 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6770
6771         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
6772         phis are used out of the loop.
6773
6774 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6775
6776         PR c/17807
6777         * c-decl.c (undef_nested_function): New variable.
6778         (pop_scope): Diagnose undefined nested functions.
6779         (finish_function): Don't attempt cgraph processing or genericizing
6780         if current top-level function contained an undefined nested
6781         function.  Reset undef_nested_function at the end of a top-level
6782         function.
6783
6784 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
6785
6786         * tree.c (build_int_cst_type): Take sign of the value into account
6787         when deciding whether sign extend the value.
6788
6789 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6790
6791         PR c/18502
6792         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
6793         (cpp_options, cc1_options): Change %{std*&ansi} to
6794         %{std*&ansi&trigraphs}.
6795
6796 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6797
6798         * cse.c: Update comments.
6799
6800 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
6801
6802         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
6803         arguments go on the stack.  Do not put complex doubles in odd/even
6804         pairs.
6805
6806 2005-02-02  Steven Bosscher  <stevenb@suse.de>
6807
6808         * doc/invoke.texi: Update the options enabled at -O1, -O2,
6809         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
6810         -ftree-pre, and -fthread-jumps.
6811
6812 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
6813
6814         PR tree-optimization/19578
6815         * tree-flow.h (modified_noreturn_calls): Declare.
6816         (noreturn_call_p): Declare.
6817         * tree-flow-inline.h (noreturn_call_p): New function.
6818         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
6819         * tree-cfg.c (modified_noreturn_calls): New variable.
6820         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
6821         that contain a mid-block noreturn call.
6822         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
6823
6824 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6825
6826         * df.c (df_def_record_1, df_uses_record): Don't use
6827         DF_FOR_REGALLOC.
6828         * df.h (DF_FOR_REGALLOC): Remove.
6829
6830 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6831
6832         PR c/19435
6833         * c-typeck.c (really_start_incremental_init): Reset
6834         constructor_max_index for arrays of incomplete type.
6835
6836 2005-02-02  Jeff Law  <law@redhat.com>
6837
6838         * gcse.c (struct reg_set): Store the block index where the register
6839         was set rather than the setting insn.
6840         (record_one_set, compute_transp): Corresponding changes.
6841         (pre_insert_copy_insn): Do not call replace_one_set.
6842         (replace_one_set): Remove.
6843
6844 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6845
6846         PR other/15514
6847         * doc/gcov.texi: Fix typo.
6848
6849 2005-02-01  Richard Henderson  <rth@redhat.com
6850
6851         PR target/19680
6852         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
6853         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
6854         type to bool.
6855         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
6856         * config/i386/i386-protos.h: Update.
6857
6858 2005-02-01  Steven Bosscher  <stevenb@suse.de>
6859
6860         PR tree-optimization/19217
6861         * tree-cfg.c (verify_expr): Use the data field to see if TP was
6862         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
6863         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
6864         that it is walking a PHI node.
6865
6866 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
6867
6868         * doc/extend.texi (Nested Functions): Update.
6869
6870 2005-02-01  Richard Henderson  <rth@redhat.com>
6871
6872         PR 19696
6873         * optabs.c (expand_copysign_absneg): Export.
6874         * optabs.h (expand_copysign_absneg): Declare.
6875         * config/rs6000/rs6000.md (copysigntf3): New.
6876
6877 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6878
6879         PR tree-optimization/19633
6880         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
6881         * tree-ssa-alias.c (init_alias_info): Initialize.
6882         (merge_pointed_to_info): Set.
6883         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
6884         (dump_points_to_info_for): Show value of pt_null.
6885         (struct count_ptr_d): Declare.
6886         (find_ptr_dereference): Remove.
6887         (ptr_is_dereferenced_by): Remove.
6888         (count_ptr_derefs): New local function.
6889         (count_uses_and_derefs): New local function.
6890         (compute_points_to_and_addr_escape): Call it.  If the number
6891         of dereferences is greater than zero, mark the pointer as
6892         dereferenced.  If there are fewer dereferences than uses of
6893         the pointer, the pointer's value escapes.
6894
6895 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6896
6897         PR tree-optimization/19670
6898         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
6899         here...
6900         (verify_use): ... set it here, instead.
6901
6902 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
6903
6904         * doc/sourcebuild.texi (Test directives): Fix formatting.
6905
6906         * doc/sourcebuild.texi (Test directives): Describe selector
6907         expressions.
6908
6909 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6910
6911         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
6912         specific 64-bit CPUs.
6913
6914 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
6915
6916         PR target/16201
6917         * arm.c (arm_eliminable_register): New function.
6918         (adjacent_mem_locations): Don't allow eliminable registers.  Use
6919         HOST_WIDE_INT for address offsets.
6920         * arm-protos.h (arm_eliminable_register): Add prototype.
6921
6922 2005-02-01  Steven Bosscher  <stevenb@suse.de>
6923
6924         PR optimization/15242
6925         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
6926         * basic-block.h (duplicate_computed_gotos): Add prototype.
6927         * bb-reorder.c (duplicate_computed_gotos): New function to
6928         duplicate sufficiently small blocks ending in a computed jump.
6929         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
6930         if not optimizing for size.
6931         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
6932         never do tail merging for blocks ending in a computed jump.
6933         * doc/invoke.texi: Document the max-goto-duplication-insns param.
6934
6935 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
6936
6937         Patch from Richard Sandiford <rsandifo@redhat.com>
6938         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
6939         from inheriting a subreg equivalence with a non-spill register.
6940
6941         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
6942
6943 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
6944
6945         * config/frv/frv.c (movcc_fp_destination_operand): New.
6946         (gpr_or_memory_operand): Fix typo in comment.
6947         (gpr_or_memory_operand_with_scratch): New.
6948         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
6949         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
6950         movcc_fp_destination_operand.
6951         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
6952         Legitimize memory addresses using a scratch register.
6953
6954 2005-01-31  Jeff Law  <law@redhat.com>
6955
6956         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
6957         bitmap a sparse bitmap instead of a simple bitmap.
6958         (mark_def_sites_initialize_block):  Corresponding changes.
6959         (ssa_mark_def_sites_initialize_block): Likewise.
6960         (ssa_mark_phi_uses): Likewise.
6961         (mark_def_site, ssa_mark_def_sites): Likewise.
6962         (mark_def_site_blocks): Likewise.
6963         (rewrite_ssa_into_ssa): Likewise.
6964
6965         * tree-ssa-dom.c (record_cond): Pass correct variable type
6966         for last argument to htab_find_slot_with_hash.
6967
6968         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
6969         effects when optimizing 0 % X.  Do not try to optimize X % 0.
6970
6971 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
6972
6973         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
6974         1_mmalua.
6975
6976 2005-02-01  Eric Christopher  <echristo@redhat.com>
6977
6978         * config/mips/mips.c (override_options): Warn if -mint64
6979         is used.
6980         * doc/invoke.texi (MIPS Options): Document that -mint64 is
6981         deprecated.
6982
6983 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
6984
6985         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
6986         timestamp.
6987         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
6988         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
6989         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
6990         (cached_regno): Initialize to INVALID_REGNUM.
6991         (cse_reg_info_table_size,
6992         cse_reg_info_table_first_uninitialized,
6993         cse_reg_info_timestamp): New.
6994         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
6995         get_cse_reg_info.
6996         (init_cse_reg_info, get_cse_reg_info_1): New.
6997         (get_cse_reg_info): Cache the last look-up.
6998         (new_basic_block): Update the code to clear mappings from
6999         registers to cse_reg_info entries.
7000         (cse_main): Call init_cse_reg_info.
7001
7002         * cse.c (get_cse_reg_info): Update a comment.
7003
7004 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7005
7006         PR c/19333
7007         * c-decl.c (start_decl): Do not warn about arrays of elements with
7008         an incomplete type here.
7009         (grokdeclarator): Do it here by making a pedwarn an error.
7010         * c-typeck.c (push_init_level): If there were previous errors with
7011         the constructor type, do not warn about braces for initializers.
7012         (process_init_element): Likewise for excess initializer elements.
7013
7014 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7015
7016         * cse.c (delete_trivially_dead_insn): Don't iterate.
7017
7018 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7019
7020         * config/rs6000/rs6000.md (copysignsf3): New expand.
7021         (copysigndf3): Likewise.
7022
7023 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7024
7025         * recog.c (constrain_operands): Only look for earlyclobber operand
7026         conflicts if an '&' constraint was seen.
7027
7028 2005-01-31  Marc Espie <espie@openbsd.org>
7029
7030         * config.gcc: Don't include embedded systems fragment, switches default
7031         debugging format to ELF.
7032         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7033         longer pick it up there.
7034
7035 2005-01-31  Dale Johannesen  <dalej@apple.com>
7036
7037         * doc/extend.texi (nested functions): Fix linkage description.
7038         Clarify that static is not allowed.
7039
7040 2005-01-31  Dale Johannesen  <dalej@apple.com>
7041
7042         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7043         (movdf_low_di):  Make work.
7044
7045 2005-01-31  Dale Johannesen  <dalej@apple.com>
7046
7047         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7048         Make work for 64 bit.
7049
7050 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7051             Dale Johannesen  <dalej@apple.com>
7052
7053         PR middle-end/19650
7054         * fold-const.c (fold_binary_op_with_conditional_arg):
7055         Make types match original operands, before STRIP_NOPS.
7056
7057 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7058
7059         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7060         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7061         (struct gcc_sigcontext): Delete.  Merge contents to..
7062         (struct gcc_ucontext): ..here.
7063         (get_sigcontext): Delete.
7064         (get_regs): New function, like get_sigcontext but return regs ptr.
7065         64-bit version finds regs from r1 to support vdso.
7066         (ppc_linux_aux_vector): New function.
7067         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7068         and vector regs.
7069
7070 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7071
7072         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7073         sizetype.
7074         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7075         redundant fold. Fix misalignment for MINUS_EXPR.
7076         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7077         (vect_analyze_pointer_ref_access): Likewise.
7078         (vect_get_memtag_and_dr): Likewise.
7079
7080 2005-01-31  Richard Henderson  <rth@redhat.com>
7081
7082         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7083         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7084         absnegdf2_i387, absnegxf2_i387): Likewise.
7085
7086 2005-01-31  Richard Henderson  <rth@redhat.com>
7087
7088         PR 19696
7089         * optabs.c (expand_copysign_absneg): New.
7090         (expand_copysign_bit): Split out from ...
7091         (expand_copysign): ... here.  Use expand_copysign_absneg.
7092
7093 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7094
7095         PR middle-end/19697
7096         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7097         constant as the second operand and a register as the third.
7098
7099 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7100
7101         PR target/19704
7102         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7103         that dllimport'd functions do not use all call-clobbered registers
7104         to pass parameters.
7105
7106 2005-01-30  Richard Henderson  <rth@redhat.com>
7107
7108         PR 19696
7109         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7110         expand_abs_nojump and generalize.  Use operand_subword and
7111         emit_no_conflict_block.  Support large modes.
7112         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7113         back to maximum.
7114         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7115         negation to subtraction.
7116         (expand_copysign): Check that the format has signed zeros.
7117         Use operand_subword and emit_no_conflict_block.  Support large modes.
7118
7119 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7120
7121         Fix PR tree-optimization/19624
7122
7123         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7124         * tree-ssa-pre.c: Add cfgloop.h.
7125         Update comment.
7126         (pre_stats): New member, constified.
7127         (inserted_exprs): New static variable.
7128         (NECESSARY): New macro.
7129         (create_expression_by_pieces): Fold the expression, and
7130         mark it as defaulting to not necessary. Also put in
7131         inserted_exprs.
7132         (fully_constant_expression): New function.
7133         (insert_into_preds_of_block): Modify to not insert phis when we
7134         are playing with induction variables.
7135         Push phis onto the inserted_exprs vector, and mark them as not
7136         necessary by default.
7137         (insert_aux): Call fully_constant_expression on eprime.
7138         If all edges produce the same value, mark it constant.
7139         (mark_operand_necessary): New function.
7140         (remove_dead_inserted_code): New function.
7141         (init_pre): Init loop optimizer to get loop info.
7142         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7143         (execute_pre): Commit edge inserts, then remove dead code.
7144
7145 2005-01-30  Richard Henderson  <rth@redhat.com>
7146
7147         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7148         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7149
7150 2005-01-30  Richard Henderson  <rth@redhat.com>
7151
7152         PR target/19700
7153         * config/i386/i386.c (ix86_expand_copysign): New.
7154         (ix86_split_copysign_const): New.
7155         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7156         rearrange op1/nmask operands.
7157         * config/i386/i386-protos.h: Update.
7158         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7159         (copysigndf3): Likewise.
7160         (copysignsf3_const, copysigndf3_const): New.
7161         (copysignsf3_var): Rename from copysignsf3, split out splitter
7162         and fix split predicate for X constraint.
7163         (copysigndf3_var): Similarly.
7164
7165 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7166
7167         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7168         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7169         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7170
7171 2005-01-29  Richard Henderson  <rth@redhat.com>
7172
7173         PR target/19690
7174         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7175         of # and * in constraints.
7176
7177 2005-01-29  Richard Henderson  <rth@redhat.com>
7178
7179         PR middle-end/19689
7180         * expr.c (store_field): Don't strip sub-mode cast when the input
7181         data is even smaller.
7182
7183 2005-01-29  Richard Henderson  <rth@redhat.com>
7184
7185         PR middle-end/19687
7186         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7187         union being empty.
7188
7189 2005-01-29  Richard Henderson  <rth@redhat.com>
7190
7191         * combine.c (make_field_assignment): Fix argument order
7192         to gen_int_mode.
7193
7194 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7195
7196         PR tree-optimization/15791
7197         * fold-const.c (extract_array_ref): New function.
7198         (fold): Fold comparisons between &a[i] and &a[j] or
7199         semantically equivalent trees.
7200
7201 2005-01-29  Jeff Law  <law@redhat.com>
7202
7203         * gcse.c (insert_expr_in_table): Revamp handling of available
7204         and anticipatable occurrence lists to avoid unnecessary list
7205         walking.
7206         (insert_set_in_table): Similarly.
7207
7208 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
7209
7210         * c-common.c (fix_string_type): Just use c_build_qualified_type to
7211         build string type.
7212         (c_build_qualified_type): Build qualified array types with
7213         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
7214         * c-decl.c (c_make_fname_decl): Build unqualified array type
7215         before qualified type.
7216         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
7217         type is qualified, not just if type itself is.  Don't apply
7218         qualifiers to array type when declarator is processed.  Apply
7219         qualifiers to field type whether or not it is an array type.
7220         Don't handle array types specially for applying qualifiers to
7221         variables.
7222         * c-typeck.c (composite_type): Build unqualified element type and
7223         array type when forming composite of array types.
7224         (common_pointer_type, comptypes, comp_target_types,
7225         type_lists_compatible_p, build_indirect_ref, build_array_ref,
7226         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
7227         types.
7228         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
7229         (args2) in variables a1 and a2.
7230
7231 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
7232
7233         * cse.c (n_elements_made, max_elements_made): Remove.
7234         (insert): Don't touch n_elements_made.
7235         (cse_main): Don't touch n_elements_made or max_elements_made.
7236
7237 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
7238
7239         PR target/15384
7240         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
7241         configuration part of dp-bit.c to be lost.
7242
7243 2005-01-28  Roger Sayle  <roger@eyesopen.com>
7244
7245         * expmed.c (expand_mult_highpart_optab): When attempting to use
7246         a non-widening multiplication in a wider mode, the operands need
7247         to be converted (zero or sign extended) to that mode.
7248
7249 2005-01-28  Ian Lance Taylor  <ian@airs.com>
7250
7251         PR middle-end/16558
7252         PR middle-end/19583
7253         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
7254         through if both operands fall through.
7255
7256 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7257
7258         * cse.c (fold_rtx) <PC>: Don't optimize.
7259
7260 2005-01-28  Jeff Law  <law@redhat.com>
7261
7262         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
7263         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
7264
7265 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7266
7267         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
7268         cse_reg_info_used_list_end): Remove.
7269         (cse_reg_info_list, cse_reg_info_list_free): New.
7270         (get_cse_reg_info): When allocating an instance of
7271         cse_reg_info, add it to the beginning of the cse_reg_info_list
7272         list.  Remove code to maintain cse_reg_info_used_list.
7273         (new_basic_block): Reset the free list to the beginning of
7274         cse_reg_info_list.
7275
7276 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
7277
7278         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
7279         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
7280         (frv_expand_mdpackh_builtin): New function.
7281         (frv_expand_builtin): Use it to expand __MDPACKH.
7282         * doc/extend.texi (__MDPACKH): Update documentation.
7283
7284 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
7285
7286         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
7287         SSE_FLOAT_MODE_P for use_sse computation.
7288
7289 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
7290
7291         PR target/19663
7292         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
7293
7294 2005-01-27  Richard Henderson  <rth@redhat.com>
7295
7296         * builtins.c (expand_builtin_copysign): New.
7297         (expand_builtin): Call it.
7298         * genopinit.c (optabs): Add copysign_optab.
7299         * optabs.c (init_optabs): Initialize it.
7300         (expand_copysign): New.
7301         * optabs.h (OTI_copysign, copysign_optab): New.
7302         (expand_copysign): Declare.
7303
7304         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
7305         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
7306
7307         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
7308         (ix86_expand_fp_absneg_operator): ... here.
7309         (ix86_split_copysign): New.
7310         * config/i386/i386-protos.h: Update.
7311         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
7312         (copysignsf3, copysigndf3): New.
7313
7314         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
7315         (copysignsf3, ncopysignsf3): New.
7316         (copysigndf3, ncopysigndf3): New.
7317         (copysignxf3, ncopysignxf3): New.
7318         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
7319
7320 2005-01-27  Arend Bayer  <arend.bayer@web.de>
7321             Kazu Hirata  <kazu@cs.umass.edu>
7322
7323         * cse.c: (find_best_addr): Don't call copy_rtx before calling
7324         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
7325         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
7326         NULL_RTX.
7327
7328 2005-01-27  Jeff Law  <law@redhat.com>
7329
7330         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
7331         definitions of SSA_NAMEs which are not being rewritten.
7332         (rewrite_ssa_into_ssa): Only initialize the current definition
7333         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
7334         If checking is enabled, assert that SSA_NAME_AUX is clear for all
7335         SSA_NAMEs before returning.
7336
7337 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
7338
7339         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
7340         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
7341         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
7342         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
7343         config/mips/iris6.h, config/sh/sh.c: Update copyright.
7344
7345 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7346
7347         PR middle-end/17278
7348         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
7349         higher to -O2 and higher.  Likewise for tree PRE.
7350         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
7351         and better.
7352
7353 2005-01-27  Ian Lance Taylor  <ian@airs.com>
7354
7355         PR middle-end/19583
7356         * gimple-low.c (try_catch_may_fallthru): New static function.
7357         (block_may_fallthru): Handle TRY_CATCH_EXPR.
7358         * tree-inline.c (expand_call_inline): Don't warn about reaching
7359         the end of a non-void function being inlined if the function uses
7360         a return slot.
7361
7362 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
7363
7364         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
7365
7366         PR c/18946
7367         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
7368         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
7369         (implicitly_declare): Handle error_mark_node.
7370
7371 2005-01-27  Richard Henderson  <rth@redhat.com>
7372
7373         PR tree-opt/14329
7374         * tree.h (struct tree_decl): Add debug_expr_is_from.
7375         (DECL_DEBUG_EXPR_IS_FROM): New.
7376         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
7377         * dwarf2out.c (dwarf2out_var_location): Update to match.
7378         * tree-outof-ssa.c (create_temp): Likewise.
7379         * var-tracking.c (track_expr_p): Likewise.
7380         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
7381         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
7382         * toplev.c (default_tree_printer): Likewise.
7383
7384 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
7385
7386         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
7387         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
7388
7389 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7390
7391         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
7392         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
7393         ASM_CLOBBERS): Add tree checks.
7394
7395         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
7396         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
7397         * c-common.def (SWITCH_STMT): Update to match.
7398         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
7399         macros instead of SWITCH_EXPR ones.
7400         * c-dump.c (c_dump_tree): Likewise.
7401         * c-gimplify.c (gimplify_switch_stmt): Likewise.
7402         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
7403
7404         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
7405
7406 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
7407
7408         * unwind-dw2.c (execute_stack_op): Add missing cases for
7409         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
7410
7411 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
7412
7413         * config.gcc (Obsolete configurations): Remove 'dummy', add
7414         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
7415         sparc-*-openbsd*.
7416
7417 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
7418
7419         PR tree-optimization/19633
7420         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
7421         CALL_EXPRs.
7422         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
7423         are no call-clobbered variables.
7424         * tree-outof-ssa.c (check_replaceable): Return false for calls
7425         with side-effects.
7426
7427 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
7428
7429         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
7430         even for variables with NULL DECL_INITIAL.
7431
7432 2005-01-26  Stuart Hastings  <stuart@apple.com>
7433
7434         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
7435
7436 2005-01-26  Richard Henderson  <rth@redhat.com>
7437
7438         PR middle-end/18008
7439         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7440         field's type.
7441         * expr.c (store_field): Strip conversions to odd-bit-sized types
7442         if the destination field width matches.
7443
7444 2005-01-26  Richard Henderson  <rth@redhat.com>
7445
7446         * c-decl.c, expmed.c, expr.c: Revert last change.
7447
7448 2005-01-26  Richard Henderson  <rth@redhat.com>
7449
7450         PR middle-end/18008
7451         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7452         field's type.
7453         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
7454         if we don't need the bits above those present in the current mode.
7455         * expr.c (store_field): Strip conversions to odd-bit-sized types
7456         if the destination field width matches.
7457
7458 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7459
7460         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7461         either -ffast-math or -funsafe-math-optimizations is in use.
7462
7463 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7464
7465         PR target/19293
7466         PR target/19329
7467         * config/avr/avr.c (notice_update_cc): Only set condition code for
7468         ashrqi3 if shift count > 0.
7469         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
7470         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
7471         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
7472         count <= 0 as a no-op, and shift count >= width by copying zero
7473         or sign bit to all bits of the result.
7474         * config/avr/avr.md (all shifts): Add alternatives for zero shift
7475         count, with attribute "length" set to 0 and "cc" set to "none".
7476
7477 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7478
7479         * doc/invoke.texi: Document -mTLS.
7480
7481         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
7482         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
7483         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
7484         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
7485         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
7486         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
7487         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
7488         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
7489
7490         * configure.ac: Check for a TLS capable gas.
7491
7492         * configure: Regenerate.
7493
7494 2005-01-26  Richard Henderson  <rth@redhat.com>
7495
7496         PR middle-end/18008
7497         * combine.c (make_field_assignment): Simplify store to zero_extract
7498         from a source with an overlapping mask.
7499
7500 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7501
7502         2004-11-11  Eric Christopher  <echristo@redhat.com>
7503
7504         * config/frv/frv.md: Add fr400_integer automaton. Don't
7505         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
7506         to TYPE_MACC.
7507
7508 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7509
7510         PR middle-end/16585
7511         * cfgbuild.c (make_edges): Do not clear or set
7512         current_function_has_computed_jump.
7513         * function.h (struct function): Remove the has_computed_jump field.
7514         (current_function_has_computed_jump): Do not define.
7515         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
7516         in a computed jump.  Ignore current_function_has_computed_jump.
7517
7518 2005-01-26  Richard Henderson  <rth@redhat.com>
7519
7520         PR middle-end/19515
7521         * expr.c (categorize_ctor_elements): New argument p_must_clear.
7522         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
7523         fully initialized.
7524         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
7525         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
7526         objects into static storage if they have more than one non-zero value.
7527         * tree.h (categorize_ctor_elements): Update decl.
7528
7529 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7530
7531         PR middle-end/19616
7532         * tree.h (CALL_EXPR_TAILCALL): Add comment.
7533         * calls.c (check_sibcall_argument_overlap_1): Revert the change
7534         to this function from 2004-07-10.
7535         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
7536         the current function for tail call optimizations if the address
7537         of one of it its arguments is taken.
7538
7539 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
7540
7541         * cse.c (fold_rtx): Call equiv_constant only when necessary.
7542
7543 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7544
7545         * function.c (expand_function_end): If current_function_calls_alloca,
7546         emit stack restore in a place that is reached when the function falls
7547         through at the end.
7548
7549 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
7550
7551         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
7552         rule to avoid matching inappropriate suffix rule.
7553
7554 2005-01-26  Jan Hubicka  <jh@suse.cz>
7555
7556         PR tree-optimization/19241
7557         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
7558
7559 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7560
7561         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
7562         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
7563         of doubling.
7564         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
7565         <sim*>: Always use crt1.o, regardless of N in simN.
7566         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7567         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
7568         (CRT_CALL_STATIC_FUNCTION): Remove.
7569         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
7570         use crt1.o, regardless of N in simN.
7571         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7572         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
7573         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
7574         case isystem setting.
7575         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
7576
7577 2005-01-25  Ian Lance Taylor  <ian@airs.com>
7578
7579         * gimple-low.c (block_may_fallthru): Correct handling of
7580         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
7581
7582 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7583
7584         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
7585         handlers to match indentation; nested under the mtune=* handler.
7586         Similar for mcpu= and march=.
7587
7588 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
7589
7590         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
7591         * config/mips/linux64.h (LIB_SPEC): Likewise.
7592         * config/mn10300/linux.h (LIB_SPEC): Likewise.
7593         * config/sh/linux.h (LIB_SPEC): Likewise.
7594
7595 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
7596
7597         * config/frv/frv.c (frv_legitimize_tls_address): New.
7598         (TARGET_HAVE_TLS): Define.
7599         (FRV_SYMBOL_REF_TLS_P): Define.
7600         (frv_override_options): Handle new register classes.
7601         (frv_legitimate_address_p): Reject tls addresses.
7602         (frv_legitimize_address): Handle TLS addresses.
7603         (gen_inlined_tls_plt): New.
7604         (gen_tlsmoff): New.
7605         (frv_legitimize_tls_address): New.
7606         (unspec_got_name): Add TLS entries.
7607         (got12_operand): Add R_FRV_TLSMOFF12 case.
7608         (frv_emit_move): Fixup TLS addresses.
7609         (frv_emit_movsi): Legitimize TLS addresses.
7610
7611         * config/frv/frv.h (MASK_BIG_TLS): New.
7612         (TARGET_BIG_TLS): New.
7613         (HAVE_AS_TLS): Define.
7614         (TARGET_SWITCHES): Add -mTLS and -mtls options.
7615         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
7616         (REG_CLASS_NAMES): Same.
7617         (REG_CLASS_CONTENTS): Same.
7618         (CONSTRAINT_LEN): New.
7619         (REG_CLASS_FROM_CONSTRAINT): New.
7620         (PREDICATE_CODES): Add symbolic_operand.
7621
7622         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
7623         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
7624         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
7625         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
7626         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
7627         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
7628         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
7629         GR9_REG, GR14_REG, LRREG.
7630         (type): Add load_or_call attribute.
7631         ("load_or_call"): New reservation.
7632         ("call_gettlsoff"): New.
7633         ("tls_indirect_call"): New.
7634         ("tls_load_gottlsoff12"): New.
7635         ("tlsoff_hilo"): New.
7636         ("tls_tlsdesc_ldd"): New.
7637         ("tls_tlsoff_ld"): New.
7638         ("tls_lddi"): New.
7639
7640         * config/frv/frv-protos.h (symbolic_operand): Protoize.
7641
7642         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
7643
7644         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
7645         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
7646         * config/frv/frv.c (TLS_BIAS): Define.
7647         (frv_output_dwarf_dtprel): New.
7648
7649 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR rtl-optimization/19579
7652         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
7653         both A and B, see if they don't clobber registers the other expr uses.
7654
7655 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
7656
7657         * real.c (do_add): Initialize signalling and canonical members.
7658
7659         * real.c (real_from_integer): Zero out destination.
7660
7661 2005-01-18  Jan Hubicka  <jh@suse.cz>
7662
7663         PR tree-optimize/19337
7664         * tree-inline.c (initialize_inlined_parameters): Copy
7665         saved_static_chain_decl only.
7666
7667 2005-01-25  Richard Henderson  <rth@redhat.com>
7668
7669         PR target/19556
7670         PR target/19584
7671         * config/i386/i386.c (x86_inter_unit_moves): Zero.
7672         (ix86_preferred_reload_class): Rewrite fp-constant section, with
7673         80387 enabled, to return a proper subclass.  Return the subset that
7674         overlaps with GENERAL_REGS for PLUS.
7675         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
7676
7677 2005-01-25  Richard Henderson  <rth@redhat.com>
7678
7679         PR middle-end/19609
7680         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
7681
7682 2005-01-25  Roger Sayle  <roger@eyesopen.com>
7683
7684         * expmed.c (choose_multiplier): Change interface to return the
7685         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
7686         (expand_divmod): Update calls to choose_multiplier.
7687
7688 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7689
7690         PR middle-end/19330
7691         * expmed.c (extract_bit_field): Use adjust_address instead of
7692         gen_lowpart when op0 is a MEM.
7693
7694 2005-01-24  Steven Bosscher  <stevenb@suse.de>
7695
7696         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
7697
7698 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7699
7700         * config/mips/irix-csr.c: New file.
7701         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7702         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7703         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7704         executables.
7705
7706 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
7707
7708         PR bootstrap/19364
7709         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
7710         sparc/elf.h, add sparc/sp-elf.h.
7711         (sparc-*-rtems*): Likewise.
7712         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
7713         tm-dwarf2.h, add sparc/sp-elf.h.
7714         (sparc86x-*-elf): Likewise.
7715         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
7716         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
7717         TARGET_OS_CPP_BUILTINS.
7718         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7719         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7720         Undefine it.
7721         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
7722         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
7723         (SWITCH_TAKES_ARG): Likewise.
7724         (LOCAL_LABEL_PREFIX): Likewise.
7725         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7726         (TARGET_N_FORMAT_TYPES): Delete.
7727         (TARGET_FORMAT_TYPES): Likewise.
7728         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7729         * config/sparc/elf.h: Delete.
7730         * config/sparc/sp-elf.h: New file.
7731
7732 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7733
7734         * tree-flow-inline.h (phi_arg_from_edge): Remove.
7735         * tree-flow.h: Remove the corresponding prototype.
7736         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
7737         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
7738
7739 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7740
7741         PR target/17751
7742         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
7743         for AIX ABI or ELF -fPIC.
7744         (rs6000_emit_load_toc_table): Don't create toc_section here.
7745         (rs6000_xcoff_file_start): Nor here.
7746
7747 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
7748
7749         * sh.c (ra.h): Don't #include.
7750         (hard_regs_intersect_p): New function, resurrected from ra.c.
7751
7752         * sh.c: Fix 1996 Copyright.
7753
7754 2005-01-24  Richard Henderson  <rth@redhat.com>
7755             Aldy Hernandez  <aldyh@redhat.com>
7756
7757         * regrename.c (note_sets): Handle subregs.
7758
7759 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
7760
7761         PR bootstrap/18058
7762         * genconditions.c (write_header, write_conditions): Elide file if
7763         not GCC >= 3.0.1.
7764
7765 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7766
7767         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
7768         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
7769         Update copyright.
7770
7771 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7772
7773         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
7774         expand_builtin_printf, expand_builtin_fprintf,
7775         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
7776         checking against POINTER_TYPE.
7777         (validate_arglist): Handle POINTER_TYPE code by checking
7778         POINTER_TYPE_P.
7779
7780 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
7781
7782         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
7783         init_rtlanal): New.
7784         (for_each_rtx): Call for_each_rtx_1.
7785         * rtl.h (init_rtlanal): Declare.
7786         * toplev.c (backend_init): Call init_rtlanal.
7787
7788 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7789
7790         * flow.c (propagate_one_insn): Formatting.
7791
7792         PR middle-end/19551
7793         * flow.c (libcall_dead_p): Be more conservative if unsure.
7794         If there are any instructions between insn and call, see if they are
7795         all dead before saying the libcall is dead.
7796
7797 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
7798
7799         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
7800         operand constraint for operand 0.
7801
7802 2005-01-23  Richard Henderson  <rth@redhat.com>
7803
7804         PR 19486
7805         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
7806         edges leading to join block.
7807
7808 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7809
7810         * expmed.c (expand_mult_highpart): Make static.  Change type of
7811         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
7812         (expand_divmod): Updates calls to expand_mult_highpart by using
7813         gen_int_mode to pass a CONST_INT rtx.
7814         * rtl.h (expand_mult_highpart): Remove prototype.
7815
7816 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7817
7818         * flow.c (regset_bytes, regset_size): Remove.
7819
7820         * cfganal.c: Fix a reference to Harvey's paper.
7821
7822 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7823
7824         PR rtl-optimization/19464
7825         * tree-optimize.c (init_tree_optimization_passes): Add one more
7826         copyrename pass just before out-of-ssa.
7827
7828 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
7829
7830         PR bootstrap/18058
7831         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
7832         * ggc-none.c (ggc_free): Define.
7833
7834 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7835
7836         * cse.c (max_reg, max_insn_uid): Remove.
7837         (cse_main): Don't access max_reg or max_insn_uid.
7838
7839         * c-common.c (explicit_flag_signed_bitfields,
7840         lang_statement_code_p, lang_expand_function_end): Remove.
7841         * c-common.h: Remove the corresponding declarations.
7842         * c-opts.c (c_common_handle_option): Remove all write access
7843         to explicit_flag_signed_bitfields.
7844
7845         * cgraph.c (cgraph_varpool_n_nodes): Remove.
7846         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
7847         * cgraph.h: Remove the corresponding declaration.
7848
7849         * gcse.c (null_pointer_info): Remove.
7850
7851 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7852             Eric Botcazou  <ebotcazou@libertysurf.fr>
7853
7854         * combine.c (simplify_logical): Only simplify logical expressions
7855         of the form ior(and(x,y),z) by the inverse distributive law if the
7856         result is cheaper than the original.
7857
7858 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7859
7860         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
7861         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
7862         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
7863         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
7864         config/freebsd-spec.h, config/arm/arm.h,
7865         config/h8300/h8300.md, config/i386/i386.md,
7866         config/i386/predicates.md, config/i386/sse.md,
7867         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
7868         config/vax/vax.md: Fix comment typos.  Follow spelling
7869         conventions.
7870
7871 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7872
7873         * gengtype.c (walk_type): Produce `not equal to' compares for loop
7874         tests, instead of `less than'.
7875
7876 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
7877
7878         * function.c (assign_parm_setup_block): When creating a new stack slot
7879         for a parameter, get its alignment from the parameter's DECL_ALIGN
7880         rather than the type's TYPE_ALIGN.  Make sure that the parameter
7881         is at least word aligned.
7882
7883 2005-01-22  Roger Sayle  <roger@eyesopen.com>
7884
7885         PR middle-end/19378
7886         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
7887
7888 2005-01-22  Richard Henderson  <rth@redhat.com>
7889
7890         PR target/19506
7891         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
7892         in both compare operands.
7893         (movdfcc_1_sse_max): Likewise.
7894         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
7895         (movdfcc_1_sse): Likewise.
7896         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
7897         scratch register as needed.
7898
7899 2005-01-22  Richard Henderson  <rth@redhat.com>
7900
7901         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
7902
7903         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
7904
7905 2005-01-22  Richard Henderson  <rth@redhat.com>
7906
7907         * genopinit.c (optabs): Use smin/smax for floating point too.
7908         * doc/md.texi: Update to match.  Clarify that floating point
7909         results are undefined for +0/-0 and NaN.
7910         * doc/rtl.texi: Likewise.
7911         * rtl.def (SMIN, SMAX): Likewise
7912         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
7913
7914         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
7915         leading 's' to the name.
7916         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
7917         smaxxf3, sminxf3): Likewise.
7918         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
7919         Likewise.
7920
7921 2005-01-22  Paul Brook  <paul@codesourcery.com>
7922
7923         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
7924
7925 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
7926
7927         * config/s390/s390.c (struct processor_costs): New fields
7928         dlgr, dlr, dr, dsgfr, dsgr.
7929         (z900_cost, z990_cost): Values for new fields.
7930         (s390_rtx_costs): New cases MEM und COMPARE in switch
7931         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
7932         DIV, MOD, UDIV, UMOD.
7933
7934 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
7935
7936         * config/s390/s390.md ("doloop_si64"): Reload input value directly
7937         into the register being decremented.
7938         ("doloop_si31", "doloop_di"): Likewise.
7939         ("*doloop_si_long"): Adapt pattern.
7940
7941 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
7942
7943         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
7944         access registers.
7945         (CLASS_MAX_NREGS): Likewise.
7946
7947 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
7948
7949         * doc/tree-ssa.texi (Statement Operands): Add example for new
7950         must-def macro. Note deprecation of old operands interface.
7951
7952 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
7953
7954         PR tree-optimization/19484
7955         * tree-cfg.c (remove_fallthru_edge): New function.
7956         (cleanup_control_flow): Remove fallthru edges from calls that are
7957         now known not to return.
7958
7959 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
7960
7961         Fix PR tree-optimization/19038
7962         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
7963         copies with loop variant ones.
7964
7965 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
7966
7967         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
7968         config/alpha/alpha-protos.h, config/alpha/alpha.h,
7969         config/alpha/alpha.md, config/alpha/predicates.md,
7970         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
7971         config/sparc/sol2.h: Update copyright.
7972
7973         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
7974         first label to see if it is a nonlocal label.
7975
7976 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
7977             Andrew Pinski  <pinskia@physics.uc.edu>
7978
7979         PR target/19491
7980         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
7981         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
7982
7983 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
7984
7985         * config/rs6000/rtems.h: Update copyright.
7986
7987 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
7988
7989         PR target/19548
7990         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
7991         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
7992         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
7993
7994 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7995
7996         PR c/18809
7997         * c-typeck.c (convert_arguments): Check for error_mark_node.
7998
7999 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8000
8001         PR tree-optimization/13000
8002         * tree-inline.c: Include "tree-flow.h".
8003         (expand_call_inline): If warn_return_type, warn if non-void inline
8004         function falls through.
8005         * tree-cfg.c (execute_warn_function_return): Don't warn about
8006         control reaching end if TREE_NO_WARNING is set.  Set
8007         TREE_NO_WARNING.
8008         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8009         has been lowered.
8010         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8011         branch if we don't need one.
8012         * c-typeck.c: Include "tree-flow.h"
8013         (c_finish_bc_stmt): Don't add a goto if the current statement
8014         list doesn't fall through to the current point.
8015
8016 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8017
8018         PR rtl-optimization/576
8019         * real.c (real_arithmetic): Change return type from void to bool
8020         to return an indication that the result may be inexact.
8021         * real.h (real_arithmeric): Update prototype.
8022         * fold-const.c (const_binop):  Don't constant fold floating
8023         point expressions when the user specifies -frounding-math and
8024         the result may depend upon the run-time rounding mode.
8025         (fold_convert_const_real_from_real): Clean-up.
8026         (fold_initializer): Ignore flag_rounding_math for initializers.
8027         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8028         constant fold FP operations with flag_rounding_math if the
8029         result may depend upon the run-time rounding mode.
8030
8031 2005-01-21  Tom Tromey  <tromey@redhat.com>
8032
8033         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8034
8035 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8036
8037         * tree-cfg.c: Fix comment typos.
8038
8039 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8040
8041         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8042         around the call to rest_of_handle_branch_target_load_optimize.
8043
8044 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8045
8046         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8047         (sparc64-*-openbsd*): Likewise.
8048         (sparclite-*-elf*): Include tm-dwarf2.h.
8049         (sparc86x-*-elf*): Likewise.
8050         (sparc64-*-elf*): Likewise.
8051         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8052         (DBX_DEBUGGING_INFO): Likewise.
8053         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8054         (PREFERRED_DEBUGGING_TYPE): Likewise.
8055         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8056         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8057         (PREFERRED_DEBUGGING_TYPE): Likewise.
8058         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8059         (PREFERRED_DEBUGGING_TYPE): Likewise.
8060         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8061
8062 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8063
8064         PR target/18701
8065         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8066
8067 2005-01-20  Paul Brook  <paul@codesourcery.com>
8068
8069         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8070
8071 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8072
8073         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8074         label is first in a sequence of labels.
8075
8076         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8077
8078 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8079             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8080
8081         * doc/sourcebuild.texi (Test Directives): New.
8082
8083 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8084
8085         * real.c (real_floor): Don't leave the result uninitialized when
8086         mode is VOIDMode, but return the unrounded intermediate value.
8087         (real_ceil): Likewise.
8088
8089 2005-01-20  Paul Brook  <paul@codesourcery.com>
8090
8091         * config/arm/arm.md (insv): Use gen_int_mode.
8092
8093 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8094
8095         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8096         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8097         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8098         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8099         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8100
8101 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8102
8103         Fix PR debug/19124
8104         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8105         fbreg, so we have to assume we can't.
8106         (loc_descriptor_from_tree_1): Ditto.
8107         (containing_function_has_frame_base): New function.
8108         (add_location_or_const_value_attribute): Use it.
8109         Also try to generate a frame_base from a single element location
8110         list.
8111
8112 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8113
8114         PR tree-optimization/15349
8115         * timevar.def (TV_TREE_MERGE_PHI): New.
8116         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8117         PHI_WANTED.
8118         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8119         calls to tree_forwarder_block_p.
8120         (remove_forwarder_block_with_phi, merge_phi_nodes,
8121         gate_merge_phi, pass_merge_phi): New.
8122         * tree-optimize.c (init_tree_optimization_passes): Add
8123         pass_merge_phi.
8124         * tree-pass.h: Add an extern for pass_merge_phi;
8125
8126 2005-01-20  Richard Henderson  <rth@redhat.com>
8127
8128         PR target/19418
8129         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8130         (_mm_castps_pd, _mm_castps_si128): New.
8131         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8132
8133 2005-01-20  Richard Henderson  <rth@redhat.com>
8134
8135         PR target/19530
8136         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8137         __builtin_ia32_vec_init_v2si.
8138         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8139         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8140         (ix86_init_mmx_sse_builtins): Create it.
8141         (ix86_expand_builtin): Expand it.
8142         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8143         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8144         (vec_extractv2si_0, vec_extractv2si_1): New.
8145
8146 2005-01-20  Richard Henderson  <rth@redhat.com>
8147
8148         PR target/16533
8149         * config/i386/i386.c (ix86_expand_push): New.
8150         * config/i386/mmx.md (push<MMXMODE>1): New.
8151         * config/i386/sse.md (push<SSEMODE>1): New.
8152         * config/i386/i386-protos.h: Update.
8153
8154 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8155
8156         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8157         copyright.
8158
8159 2005-01-20  Richard Henderson  <rth@redhat.com>
8160
8161         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8162         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8163
8164 2005-01-19  Richard Henderson  <rth@redhat.com>
8165
8166         PR target/19350
8167         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8168         to V4SFmode in SSE1 fallback load path.
8169
8170 2005-01-19  Richard Henderson  <rth@redhat.com>
8171
8172         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8173         in QImode expansion to ix86_expand_vector_set.
8174         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8175
8176 2005-01-19  Richard Henderson  <rth@redhat.com>
8177
8178         PR target/19511
8179         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8180         subclass of the input class.
8181         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8182         Always true for cross-SSE1 classes.  Rationalize conditionals.
8183         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8184         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8185         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8186         (movdi_2): Add MMX/SSE zeros.
8187         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8188         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8189         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8190         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8191         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8192         (zero_extendsidi2_rex64_1): Remove.
8193         (MOV0 peephole): Check GENERAL_REG_P.
8194
8195 2005-01-19  Richard Henderson  <rth@redhat.com>
8196
8197         PR target/19427
8198         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8199         shufps elements.
8200         (ix86_expand_vector_extract): Likewise.
8201
8202 2005-01-19  Richard Henderson  <rth@redhat.com>
8203
8204         PR middle-end/19304
8205         * expr.c (emit_move_change_mode): New argument force; use
8206         simplify_gen_subreg if true.
8207         (emit_move_via_alt_mode): Merge into ...
8208         (emit_move_via_integer): ... here.
8209         (emit_move_ccmode): Use emit_move_change_mode directly.
8210
8211 2005-01-19  Richard Henderson  <rth@redhat.com>
8212
8213         PR target/19518
8214         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
8215         (alpha_preferred_reload_class): Handle CONST_VECTOR.
8216         (alpha_emit_set_const_1): Add no_output parameter; don't emit
8217         rtl if true.
8218         (alpha_emit_set_const): Likewise.  Make static.
8219         (alpha_emit_set_long_const): Make static.
8220         (alpha_extract_integer): Split out from alpha_expand_mov.
8221         (alpha_split_const_mov): Likewise.
8222         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
8223         (alpha_legitimate_constant_p): New.
8224         * config/alpha/alpha-protos.h: Update.
8225         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
8226         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
8227         * config/alpha/alpha.md (movsi): Add n alternative.
8228         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
8229         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
8230         (splitters for all of the above): Use alpha_split_const_mov.
8231         * config/alpha/predicates.md (non_add_const_operand): New.
8232         (non_zero_const_operand): New.
8233         (input_operand): Use alpha_legitimate_constant_p after reload.
8234
8235 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8236
8237         PR tree-optimization/19038
8238         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
8239         (add_candidate): Add ivs with increment in latch only if
8240         allow_ip_end_pos_p is true.
8241         (determine_iv_cost): Use empty_block_p.
8242
8243 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
8244
8245         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
8246         (compute_dominance_frontiers): Ditto.
8247
8248 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
8249
8250         PR target/19529
8251         * config/sh/t-rtems: New.
8252         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
8253
8254 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8255
8256         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
8257         the offset of the selected field.
8258
8259 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
8260
8261         * tree-cfg.c (remove_forwarder_block): Fix the check to
8262         prevent a nonlocal label from appearing in the middle of a
8263         basic block.
8264
8265 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
8266
8267         PR rtl-optimization/19462
8268         * reorg.c (find_end_label): Create return insn only if
8269         current_function_epilogue_delay_list is empty.
8270
8271 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
8272
8273         * doc/passes.texi: Remove paragraph mentioning new-ra.
8274
8275 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
8276
8277         PR rtl-optimization/15139
8278         * combine.c: Include params.h.
8279         (count_rtxs): New function.
8280         (record_value_for_reg): If replace_rtx would replace at least
8281         2 occurrences of REG in VALUE and TEM is really large, replace REG with
8282         (clobber (const_int 0)) instead of TEM.
8283         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
8284         * params.h (MAX_LAST_VALUE_RTL): New.
8285         * Makefile.in (combine.o): Depend on $(PARAMS_H).
8286         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
8287
8288         PR c/17297
8289         * c-typeck.c (digest_init): Only call build_vector if all constructor
8290         elements are *_CST nodes.
8291         * gimplify.c (gimplify_init_constructor): Likewise.
8292
8293         PR middle-end/19164
8294         * c-typeck.c (digest_init): Only call build_vector if inside_init
8295         is a CONSTRUCTOR.
8296
8297 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8298
8299         * toplev.c (init_asm_output): Remove dead #ifdef.
8300
8301 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8302
8303         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
8304
8305 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8306
8307         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
8308         accessing DECL_FUNCTION_CODE.
8309         * dojump.c (do_jump): Likewise.
8310         * gimplify.c (gimplify_call_expr): Likewise.
8311         * predict.c (expr_expected_value): Likewise.
8312         (strip_builtin_expect): Likewise.
8313         * tree-inline.c (estimate_num_insns_1): Likewise.
8314         * tree-ssa-loop-im.c (stmt_cost): Likewise
8315         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
8316         (tree_expr_nonnegative_p): Likewise.
8317
8318 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8319
8320         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
8321         variant of the load_pcrel_sym pattern.
8322         * config/sparc/sparc.md (P macro): Move to the top.
8323         (load_pcrel_sym): Macroize using P.
8324         (save_register_window): Likewise.
8325
8326 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
8327
8328         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
8329         ("sordered"): Same.
8330
8331 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
8332
8333         PR C/19472
8334         * c-typeck.c (build_asm_expr): Strip nops off
8335         input memory operands.
8336
8337 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
8338
8339         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
8340         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
8341         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
8342         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
8343
8344 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
8345
8346         PR target/19379
8347         * config/i386/i386.c (override_options): If the 80387 is disabled,
8348         then do not return FP values using FP registers.
8349
8350 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
8351
8352         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
8353         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
8354         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
8355         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
8356         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
8357         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
8358         output.h, postreload-gcse.c, postreload.c, recog.c,
8359         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
8360         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
8361         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
8362         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
8363         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
8364         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
8365         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
8366         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
8367
8368         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
8369         config/alpha/alpha.c, config/arm/vfp.md,
8370         config/i386/emmintrin.h, config/i386/i386-modes.def,
8371         config/i386/i386-protos.h, config/i386/i386.h,
8372         config/i386/pmmintrin.h, config/i386/ppro.md,
8373         config/i386/predicates.md, config/i386/xmmintrin.h,
8374         config/i860/i860.c, config/ia64/ia64-modes.def,
8375         config/ia64/ia64-protos.h, config/ia64/ia64.h,
8376         config/ia64/ia64.md, config/ia64/itanium1.md,
8377         config/ia64/itanium2.md, config/ia64/predicates.md,
8378         config/iq2000/iq2000.h, config/mips/linux64.h,
8379         config/rs6000/aix41.h, config/rs6000/aix43.h,
8380         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
8381         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8382         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
8383         config/sparc/linux64.h, config/sparc/litecoff.h,
8384         config/sparc/sp64-elf.h, config/sparc/sparc.c,
8385         config/sparc/sparc.h, config/sparc/sparc.md,
8386         config/sparc/sysv4-only.h: Update copyright.
8387
8388 2005-01-18  Richard Henderson  <rth@redhat.com>
8389
8390         PR target/19496
8391         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
8392
8393 2005-01-18  Marc Espie  <espie@openbsd.org>
8394         * config/i386/openbsdelf.h: Typo.
8395
8396 2005-01-18  Richard Henderson  <rth@redhat.com>
8397
8398         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
8399         special case for sse.
8400         * config/i386/predicates.md (sse_comparison_operator): Likewise.
8401
8402 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
8403
8404         * tree-inline.c (estimate_num_insns_1): Added cases for
8405         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
8406
8407 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8408
8409         PR rtl-optimization/19296
8410         * combine.c (simplify_comparison): Rewrite the condition under
8411         which a non-paradoxical SUBREG of a PLUS can be lifted when
8412         compared against a constant.
8413
8414 2005-01-18  Andi Kleen <ak@muc.de>
8415
8416         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
8417         * c.opt (-Wpointer-sign): Add.
8418         * doc/invoke.texi: (-Wpointer-sign): Add.
8419
8420 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8421
8422         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
8423         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
8424         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
8425         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
8426         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
8427         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
8428         for TARGET_MIX_SSE_I387.
8429         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
8430         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
8431         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
8432         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
8433         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
8434         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
8435         TARGET_MIX_SSE_I387.
8436         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
8437         from expander.
8438
8439 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8440
8441         PR target/19424
8442         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
8443         Add movaps alternative for xmm reg->reg move.
8444
8445 2005-01-17  Jeff Law  <law@redhat.com>
8446
8447         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
8448         at the end of the main DOM loop rather than just before DOM exits.
8449
8450 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
8451
8452         PR tree-optimization/19121
8453         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
8454         adding aliases to a name tag, also add them to the pointer's
8455         type tag.
8456         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
8457         sensitive alias info at all.  Only check that the two pointers
8458         have compatible pointed-to sets.
8459         * tree-ssa.c (verify_name_tags): Verify that the alias set of
8460         a pointer's type tag is a superset of the alias set of the
8461         pointer's name tag.
8462
8463 2005-01-17  James E Wilson  <wilson@specifixinc.com>
8464
8465         PR target/19357
8466         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
8467         comment to document why.
8468
8469 2005-01-17  Richard Henderson  <rth@redhat.com>
8470
8471         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
8472         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
8473         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
8474         sse2_vmsminv2df3_finite): New.
8475         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
8476         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
8477         Force op1 into register.
8478
8479 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
8480
8481         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
8482         bubblestrap from always rebuilding build directory.
8483
8484 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
8485
8486         * config/s390/s390.md ("*clc"): Remove incorrect '='.
8487         ("*cmpmem_short"): Likewise.
8488
8489 2005-01-17  Steven Bosscher  <stevenb@suse.de>
8490
8491         * basic-block.h: Document BB_* flags.
8492         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
8493         use an sbitmap instead.
8494         * sched-rgn.c (compute_trg_info): Likewise.
8495
8496 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
8497
8498         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
8499         redundant target_cpu_default and extra_parts lines.  Use the default
8500         "from-abi" ISA.
8501         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
8502         (SUBTARGET_EXTRA_SPECS): Delete.
8503         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
8504         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
8505         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
8506         and "n32" for -mabi=n32.
8507
8508 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8509
8510         PR c/5675
8511         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
8512         fold constant variables into initial values.
8513
8514 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8515
8516         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
8517
8518         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
8519         through the statements backward.
8520
8521 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8522
8523         PR middle-end/13127:
8524         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
8525         a variable set to the return value of the inlined function.
8526
8527 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
8528
8529         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
8530         when modes are tieable.
8531
8532 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
8533
8534         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
8535         of pthread_create to find out if threads are enabled.
8536         * gthr-posix95.h (__gthread_active_p): Likewise.
8537
8538 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
8539
8540         * common.opt (-fnew-ra): Remove.
8541         * ra*.*: Remove.
8542         * toplev.h (flag_new_regalloc): Remove.
8543         * Makefile.in (ra*.*): Don't mention.
8544         * passes.c (rest_of_handle_new_regalloc): Remove.
8545         (rest_of_handle_combine, rest_of_compilation): Always consider
8546         flag_new_regalloc as false.
8547         * doc/invoke.texi: Don't document -fnew-ra.
8548
8549 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
8550
8551         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
8552         last parameter to reg_scan.
8553         * loop.c (loop_optimize): Likewise.
8554         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
8555         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
8556         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8557         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8558         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
8559         * regclass.c (reg_scan): Likewise, for the declaration.
8560         * rtl.h (reg_scan): Likewise, for the prototype.
8561
8562 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8563
8564         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
8565         mark_dfs_back_edges.
8566
8567 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
8568
8569         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
8570         (compute_avail): Uses don't go in tmp_gen.
8571
8572 2005-01-16  Steven Bosscher  <stevenb@suse.de>
8573
8574         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
8575         loop to look for a free slot in a page entry.
8576
8577 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8578
8579         PR target/16304
8580         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
8581         * toplev.c (compile_file): Call process_pending_assemble_output_defs
8582         just before targetm.asm_out.file_end.
8583         * tree.h (process_pending_assemble_output_defs): Declare.
8584         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
8585         New functions.
8586         (assemble_alias): Defer generation of assembly code for defines when
8587         TARGET_DEFERRED_OUTPUT_DEFS is true.
8588         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8589         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8590         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
8591
8592 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8593
8594         PR target/19336
8595         * pa.c (pa_scalar_mode_supported_p): New function.
8596         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8597         * pa.h (MIN_UNITS_PER_WORD): Add comment.
8598
8599         * pa-protos.h (prefetch_operand): Delete.
8600         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
8601         * pa.c (prefetch_operand): Delete.
8602         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
8603         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
8604         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
8605         and prefetch_nocc_operand.
8606         * pa.md (prefetch): Rework to avoid reload problems handling short
8607         displacements when a cache control completer needs to be provided.
8608         (prefetch_32, prefetch_64): Delete.
8609         (prefetch_cc, prefetch_nocc): New patterns.
8610
8611 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
8612
8613         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
8614
8615 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8616
8617         PR ada/19388
8618         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
8619         exceeds maximum alignment for global common data.
8620         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
8621         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
8622
8623 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8624
8625         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
8626
8627 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8628
8629         * harg-reg-set.h (reg_class_names): Prototype global array.
8630         * regclass.c (reg_class_names): Declare here and initialize to
8631         REG_CLASS_NAMES.
8632         (dump_regclass): Remove local declaration of reg_class_names.
8633         (regclass): Likewise.
8634         * cfg.c (dump_flow_info): Likewise.
8635         * ra-debug.c (reg_class_names): Likewise.
8636         * regrename.c (reg_class_names): Likewise.
8637         * reload.c (reg_class_names): Likewise.
8638         * reload1.c (spill_failure): Likewise.
8639         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
8640
8641 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
8642
8643         * config/s390/s390.md ("reload_outti"): Remove predicate for
8644         output operand.  Abort if operand is not a MEM.
8645         ("reload_outdi", "reload_outdf"): Likewise.
8646
8647 2005-01-15  Marc Espie  <espie@openbsd.org>
8648
8649         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
8650         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
8651         * config/openbsd.h:  Fix C++ includes for native configurations.
8652         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
8653         Add trampoline support.
8654         * config/i386/openbsdelf.h: New.
8655
8656 2005-01-15  Marc Espie  <espie@openbsd.org>
8657
8658         * collect2.c (main): Explicitly parse -dynamic-linker option.
8659
8660 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
8661
8662         PR tree-optimization/19060
8663         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
8664         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
8665         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
8666         and handle extract_range_from_cond returning false.
8667         * fold-const.c (fold): Optimize comparisons with min/max even for
8668         width > HOST_BITS_PER_WIDE_INT.
8669
8670 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
8671
8672         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
8673         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
8674         Remove little endian multilib variants.
8675         Add mips32 multilib variant.
8676
8677 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
8678
8679         * explow.c (copy_all_reg, stabilize): Remove.
8680         * expr.h: Remove the corresponding prototypes.
8681
8682         * rtlanal.c (regs_set_between_p): Remove.
8683         * rtl.h: Remove the corresponding prototype.
8684
8685 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
8686
8687         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
8688         to rs6000_nonimmediate_operand.
8689         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
8690         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
8691         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
8692         rs6000_nonimmediate_operand.
8693         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
8694         rs6000_nonimmediate_operand.
8695
8696 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
8697
8698         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
8699
8700 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8701
8702         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
8703         on e500v2.
8704         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
8705         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
8706
8707         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
8708         (rs6k_nonimmediate_operand): New.
8709         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
8710         correctly.
8711         (legitimate_lo_sum_address_p): Same.
8712         (rs6000_legitimize_address): Same.
8713         (rs6000_legitimize_reload_address): Same.
8714         (rs6000_legitimate_address): Same.
8715         (spe_build_register_parallel): Pass DF and DC modes in a DI
8716         register.
8717
8718         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
8719         to rs6k_nonimmediate_operand.
8720
8721         * config/rs6000/spe.md ("*frob_df_di"): New.
8722         ("*frob_di_df"): New.
8723         ("*frob_di_df_2"): New.
8724         ("*mov_sidf_e500_subreg0"): New.
8725         ("*mov_sidf_e500_subreg4"): New.
8726         ("*movdf_e500_double"): Change predicate to
8727         rs6k_nonimmediate_operand.
8728
8729 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8730
8731         * postreload.c (move2add_note_store): Only call
8732         trunc_int_for_mode on scalar integers.
8733
8734 2005-01-14  Steven Bosscher  <stevenb@suse.de>
8735
8736         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
8737         replace BB_VISITED uses.
8738         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
8739         (propagate_necessity): Check the bitmap instead of BB_VISITED.
8740         (tree_dce_done): Free visited_control_parents.
8741         (perform_tree_ssa_dce): Allocate and clear it.
8742         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
8743         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
8744         instead of BB_VISITED.
8745
8746 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
8747
8748         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
8749         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
8750         Remove unused prototypes.
8751
8752 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8753
8754         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
8755         64-bit register usage.
8756         (spe_func_has_64bit_regs_p): Add FIXME note.
8757
8758 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8759
8760         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
8761         flag_finite_math_only with flag_unsafe_math_optimizations.
8762
8763 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
8764
8765         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
8766         end-of-stack check.
8767         (__tpf_eh_return): Copy TPF private stack area from the module
8768         boundary stack frame.  Add check for when module addresses are
8769         equal, but no stub address is found.
8770
8771 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
8772
8773         PR target/7525
8774         * arm.h (struct machine_function): Add call_via field.
8775         (thumb_call_via_label): Declare.
8776         * arm.c (thumb_call_via_label): New variable.
8777         (thumb_call_reg_needed): New variable.
8778         (arm_output_function_epilogue): For Thumb code, output any per-function
8779         call-indirect trampolines.
8780         (thumb_call_via_reg): New function.
8781         (arm_file_end): New function.
8782         (TARGET_ASM_FILE_END): Call arm_file_end.
8783         (aof_file_end): Likewise.
8784         * arm-protos.h (thumb_call_via_reg): Declare.
8785         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
8786         thumb_call_via_reg in normal case.
8787
8788 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
8789
8790         PR middle-end/19084
8791         PR rtl-optimization/19348
8792         * recog.c (peephole2_optimize): Do global life update if some peephole
8793         decides it doesn't need at least one of its inputs and that change
8794         influences liveness at the start of the basic block.
8795
8796         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
8797         arguments instead of 1.
8798
8799 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
8800
8801         PR middle-end/18820
8802         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
8803         zero for nested functions needing a static chain or functions
8804         with a non-constant address.
8805
8806 2005-01-13  Roger Sayle  <roger@eyesopen.com>
8807
8808         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
8809         (and (sign_extend X) C) into (zero_extend (and X C)).
8810
8811 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
8812
8813         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
8814
8815 2005-01-13  Richard Henderson  <rth@redhat.com>
8816
8817         PR target/19009
8818         PR target/19250
8819         PR target/19252
8820         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
8821         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
8822         not just TARGET_SSE.
8823         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
8824         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
8825         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
8826         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
8827         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
8828         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
8829         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
8830         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
8831         (movdicc_c_rex64): Rename with '*'.
8832         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
8833         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
8834         (movsfcc_1_387): Rename from movsfcc_1.
8835         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
8836         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
8837         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
8838         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
8839         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
8840         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
8841         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
8842         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
8843         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
8844         sse_movdfcc_const0_4): Remove.
8845         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
8846         recognize min/max early.  Update for changed sse cmove patterns.
8847         (ix86_split_sse_movcc): New.
8848         * config/i386/i386-protos.h: Update.
8849
8850 2005-01-13  Steven Bosscher  <stevenb@suse.de>
8851
8852         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
8853         (fix_stmt_v_may_defs): Likewise.
8854
8855 2005-01-13  Richard Henderson  <rth@redhat.com>
8856
8857         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
8858         for converting the mask.
8859
8860 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
8861
8862         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
8863         definition to 600.
8864
8865 2005-01-13  Richard Henderson  <rth@redhat.com>
8866
8867         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
8868         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
8869         IX86_BUILTIN_MOVDQ2Q): Remove.
8870         (IX86_BUILTIN_VEC_EXT_V4SI): New.
8871         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
8872         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
8873         shuffling.
8874         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
8875         (sse2_pextrw): Fix immediate constraint.
8876         (sse2_loadq, sse2_loadq_rex64): Remove.
8877         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
8878         Use __builtin_ia32_vec_ext_<size>.
8879         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
8880
8881 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
8882
8883         * function.c (assign_parm_setup_block): Look inside original
8884         entry_parm when inspecting PARALLEL.
8885
8886 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
8887             Joel Sherrill  <joel@oarcorp.com>
8888
8889         PR target/19399
8890         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
8891         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
8892         rtems_gxx_recursive_mutex_init.
8893         (__gthread_recursive_mutex_lock): New function.
8894         (__gthread_recursive_mutex_trylock): Likewise.
8895         (__gthread_recursive_mutex_unlock): Likewise.
8896
8897 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
8898
8899         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
8900
8901 2005-01-13  Jan Beulich  <jbeulich@novell.com>
8902
8903         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
8904         (ashrti3_internal): Indicate output is early clobber. Generate result
8905         into output rather than first input. Use move for low word of output
8906         if shift count is exactly 64.
8907         (lshrti3_internal): Likewise.
8908
8909 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
8910
8911         PR target/18329
8912         PR target/18330
8913         * reload1.c (delete_output_reload): Don't delete an output reload
8914         if the pseudo lives longer than a single basic block.  Adjust and
8915         improve wording of comment.
8916
8917 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
8918
8919         PR target/19334
8920         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
8921         of TYPE_SIZE where we mean the number of bytes.
8922
8923 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
8924
8925         * function.c (assign_parm_setup_block): Relax condition on
8926         multi-register optimization.
8927
8928 2005-01-12  Nick Clifton  <nickc@redhat.com>
8929
8930         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
8931         an "in_delay_slot" attribute of "no" to prevent them being used in
8932         delay slots.  This is forbidden because they might generate
8933         exceptions.
8934
8935 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
8936
8937         PR target/19389
8938         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
8939         with r->Y and Y->r.
8940
8941 2005-01-12  Nick Clifton  <nickc@redhat.com>
8942
8943         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
8944         passed on to GAS) but do not define, as GAS no longer supports or
8945         needs the -m2000 option.
8946
8947 2005-01-11  Roger Sayle  <roger@eyesopen.com>
8948
8949         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
8950         type as args of unprototyped builtins aren't automatically promoted.
8951         (fold_builtin_abs): Likewise.
8952
8953 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8954
8955         * Makefile.in: Set a `build-warn' variable.
8956
8957 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
8958
8959         PR tree-optimization/17949
8960         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
8961         (find_interesting_uses_address): Use it.
8962
8963 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
8964
8965         * regrename.c (kill_value): Handle subreg's that won't simplify.
8966
8967 2005-01-11  Richard Henderson  <rth@redhat.com>
8968
8969         PR target/13366
8970         * config/i386/i386.h (enum ix86_builtins): Move ...
8971         * config/i386/i386.c: ... here.
8972         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
8973         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
8974         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
8975         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
8976         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
8977         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
8978         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
8979         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
8980         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
8981         IX86_BUILTIN_LOADDDUP): Remove.
8982         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
8983         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
8984         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
8985         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
8986         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
8987         (ix86_init_builtins): Make static.
8988         (ix86_init_mmx_sse_builtins): Update for changed builtins.
8989         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
8990         if all the modes match.  Otherwise, fake it.
8991         (get_element_number, ix86_expand_vec_init_builtin,
8992         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
8993         (ix86_expand_builtin): Make static.  Update for changed builtins.
8994         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
8995         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
8996         (ix86_expand_vector_init_duplicate): New.
8997         (ix86_expand_vector_init_low_nonzero): New.
8998         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
8999         Split out from ix86_expand_vector_init; handle integer modes.
9000         (ix86_expand_vector_init): Use them.
9001         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9002         * config/i386/i386-protos.h: Update.
9003         * config/i386/predicates.md (reg_or_0_operand): New.
9004         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9005         (movv2sf_internal): Likewise.  And a splitter to match them all.
9006         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9007         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9008         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9009         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9010         (mmx_pinsrw): Fix operand ordering.
9011         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9012         rather than sse_loadss expander.
9013         (movv2df splitter): Similarly.
9014         (sse_loadss, sse_loadlss): Remove.
9015         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9016         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9017         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9018         (sse3_movddup): Rename with '*'.
9019         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9020         (sse2_loadsd): Remove.
9021         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9022         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9023         (sse2_pinsrw): Fix argument ordering.
9024         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9025         (sse2_stored): Remove 'r' destination.
9026         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9027         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9028         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9029         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9030         vec_extractv16qi, vec_initv16qi): New.
9031
9032         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9033         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9034         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9035         constructor form.
9036         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9037         (_mm_load_si128, _mm_store_si128): Likewise.
9038         (_mm_load1_pd): Use _mm_set1_pd.
9039         (_mm_load_sd): Use _mm_set_sd.
9040         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9041         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9042         (_mm_set_epi64): Use _mm_set_epi64x.
9043         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9044         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9045         _mm_setr_epi8): Use _mm_set_foo form.
9046         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9047         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9048         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9049         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9050         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9051         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9052         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9053         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9054         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9055         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9056         (_mm_movedup_pd): Use _mm_shuffle_pd.
9057         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9058         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9059         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9060         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9061         Use _mm_setzero_ps.
9062         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9063         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9064         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9065         (_mm_store_ps): Use raw dereference.
9066         (_mm_store1_ps): Use _mm_storeu_ps.
9067         (_mm_storer_ps): Use _mm_store_ps.
9068         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9069         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9070
9071 2005-01-11  Stan Shebs  <shebs@apple.com>
9072
9073         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9074         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9075
9076 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9077
9078         PR target/18761
9079         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9080         Skip all DECLs except for FIELD_DECLs.
9081
9082 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9083
9084         * config/s390/s390.c (override_options): Return error if
9085         -mbackchain, -mpacked-stack and -mhard-float are used together.
9086         (s390_va_start): Remove the backchain && packed-stack special case.
9087         (s390_gimplify_va_arg): Likewise.
9088         * doc/invoke.texi: Remove the ABI incompatibility note.
9089
9090 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9091
9092         * config/s390/s390.c (struct s390_frame_layout): Remove
9093         save_backchain_p.
9094         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9095         save_backchain_p with TARGET_BACKCHAIN.
9096
9097 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9098
9099         PR target/18916
9100         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9101         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9102         * function.c (locate_and_pad_parm): Set new field.
9103         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9104         Tweak where_pad test to include "none".  Always set mem align for
9105         stack_parm.
9106         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9107         not sufficient for type.
9108         (assign_parm_setup_block): If stack_parm is zero on entry, always
9109         make a new stack local.  Block move old stack parm if necessary
9110         to new aligned stack local.
9111         (assign_parm_setup_stack): Use a block move to handle
9112         potentially misaligned entry_parm.
9113         (assign_parms_unsplit_complex): Specify required alignment when
9114         creating stack local.
9115         * calls.c (compute_argument_addresses): Override alignment of stack
9116         arg calculated from its type with the alignment given by
9117         FUNCTION_ARG_BOUNDARY.
9118         (store_one_arg): Likewise.
9119
9120 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9121
9122         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9123         Change respective itanium_class attribute to ialu.
9124         (shladdp4_internal): New.
9125         * config/ia64/predicates.md (shladd_log2_operand): New.
9126
9127 2005-01-11  Richard Henderson  <rth@redhat.com>
9128
9129         * expr.c (store_constructor): Use rtvec_alloc instead of
9130         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9131
9132 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9133
9134         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9135
9136 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9137
9138         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9139         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9140         (TARGET_RWRELOC): Define.
9141         (ia64_rwreloc_section_type_flags): Delete.
9142         (ia64_section_type_flags): New function.
9143         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9144         (TARGET_RWRELOC): Define.
9145
9146 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9147
9148         PR target/18987
9149         * config/ia64/ia64.c (process_set): For alloc insn, only call
9150         process_epilogue is !frame_pointer_needed.
9151
9152 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9153
9154         PR c++/19355
9155         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9156         unary operator and can't be treated as a binary/comparison operator.
9157
9158 2005-01-10  Richard Henderson  <rth@redhat.com>
9159
9160         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9161         (ix86_return_in_memory): Likewise.
9162         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9163         for choosing register to advance.
9164
9165 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9166
9167         * tree-vectorizer.c, tree.def: Fix comment typos.
9168
9169 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9170
9171         * config/s390/s390.c (struct processor_costs): 4 new fields:
9172         ddbr, ddr, debr, der.
9173         (s390_rtx_costs): More precise handling of divide instructions.
9174
9175 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9176
9177         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9178
9179 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9180
9181         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9182         names resulting from -ffunction-sections/-fdata-sections and linkonce
9183         ones.
9184         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9185         based on the section name. Rearrange the section name comparison logic
9186         slightly so that each section name is compared against at most once.
9187
9188 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9189
9190         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9191         targets for which -fPIC reduces limitations on the GOT size.
9192
9193 2005-01-09  Falk Hueffner  <falk@debian.org>
9194
9195         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9196         X/C1 cmpop C2.
9197
9198 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9199
9200         PR target/18720
9201         * collect2.c (main): Set aixrtl_flag for -brtl option.
9202         (resolve_lib_name): Search for .so file extension before .a
9203         if aixrtl_flag set.
9204
9205 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9206
9207         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9208         (vect_analyze_data_refs_alignment): Add dump prints.
9209
9210 2005-01-09  Ira Rosen  <irar@il.ibm.com>
9211
9212         * tree-vectorizer.c (vect_analyze_offset_expr): Use
9213         expr_invariant_in_loop_p.
9214         Initialize outputs first thing in the function.
9215         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
9216         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
9217         (vect_analyze_pointer_ref_access): Check that the initial condition of
9218         the access function is loop invariant.
9219
9220 2005-01-09  Richard Henderson  <rth@redhat.com>
9221
9222         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
9223         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
9224         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
9225         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
9226         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
9227         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
9228         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
9229         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
9230         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
9231         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9232         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9233         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
9234         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
9235         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
9236         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
9237         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
9238         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9239         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9240         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
9241         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
9242         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
9243         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
9244         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
9245         mmx_ prefix.
9246         (mmx_clrdi, pavgusb): Remove.
9247         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
9248         with leading sse_ prefix.
9249         * config/i386/sse.md: Receive them.
9250         * config/i386/mmx.md: New file.
9251         (MMXMODE12, MMXMODE24, mmxvecsize): New.
9252         (subrv2sf3): Turn into expander for normal subtraction.
9253         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
9254         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
9255         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
9256         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
9257         commutative; use ix86_binary_operator_ok.
9258         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
9259         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
9260         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
9261         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
9262         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
9263         Macroize from existing patterns; use ix86_binary_operator_ok.
9264         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
9265         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
9266         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
9267         with vec_select+vec_concat.
9268         (mmx_pshufw, mmx_pshufw_1): Likewise.
9269         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
9270         (mmx_uavgv4hi3): Model correctly.
9271         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
9272         _mm_xor_si64): Remove casts.
9273
9274 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
9275
9276         PR tree-optimization/19224
9277         * tree-scalar-evolution.c (get_instantiated_value,
9278         set_instantiated_value): New functions.
9279         (instantiate_parameters_1): Cache the results.
9280         (instantiate_parameters, resolve_mixers): Initialize and free
9281         the cache.
9282
9283 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
9284
9285         * config/i386/i386.md (addhi_4): Correct reference in comment.
9286         (addqi_4): Same.
9287
9288 2005-01-08  Richard Henderson  <rth@redhat.com>
9289
9290         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
9291         (_mm_cvtsi128_si64x): Likewise.
9292         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
9293         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
9294         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
9295         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
9296         * config/i386/i386-protos.h: Update.
9297         * config/i386/i386.c (print_operand): Add 'H'.
9298         (ix86_fixup_binary_operands): Split out from ...
9299         (ix86_expand_binary_operator): ... here.
9300         (ix86_fixup_binary_operands_no_copy): New.
9301         (ix86_expand_fp_absneg_operator): Handle vector mode results.
9302         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
9303         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
9304         (safe_vector_operand): Use CONST0_RTX.
9305         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
9306         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
9307         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
9308         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
9309         special cases.
9310         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
9311         (IX86_BUILTIN_CMPNGESS): New.
9312         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
9313         (attr type): Add sselog1.
9314         (attr unit, attr memory): Handle it.
9315         (movti, movti_internal, movti_rex64): Move near other integer moves.
9316         (movtf, movtf_internal): Move near other fp moves.
9317         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
9318         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
9319         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
9320         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
9321         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
9322         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
9323         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
9324         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
9325         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
9326         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
9327         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
9328         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
9329         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9330         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9331         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
9332         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
9333         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
9334         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
9335         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
9336         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
9337         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
9338         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
9339         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
9340         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
9341         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
9342         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
9343         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
9344         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
9345         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
9346         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
9347         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
9348         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
9349         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
9350         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
9351         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
9352         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
9353         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
9354         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
9355         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
9356         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
9357         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
9358         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
9359         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
9360         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
9361         same time.
9362         (SSEPUSH, push<SSEPUSH>): Remove.
9363         (MMXPUSH, push<MMXPUSH>): Remove.
9364         (sse_movaps, sse_movaps_1, sse_movups): Remove.
9365         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
9366         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
9367         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
9368         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
9369         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
9370         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
9371         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
9372         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
9373         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
9374         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
9375         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
9376         (ppro_sse_log_V4SF): Handle sselog1.
9377         * config/i386/predicates.md (const_0_to_1_operand): New.
9378         (const_0_to_255_mul_8_operand): New.
9379         (const_1_to_31_operand): Rename from const_int_1_31_operand.
9380         (const_2_to_3_operand, const_4_to_7_operand): New.
9381         * config/i386/sse.md: New file.
9382         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
9383         (sse_movups): Rename from sse_movups_1.
9384         (sse_loadlss): Rename from sse_loadss_1.
9385         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
9386         from the name.
9387         (negv4sf2): Use ix86_expand_fp_absneg_operator.
9388         (absv4sf2, negv2df, absv2df): New.
9389         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
9390         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
9391         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
9392         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
9393         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
9394         (sse3_addsubv4sf3): Model correctly.
9395         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
9396         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
9397         (sse_movhlps): Model with vec_select+vec_concat.
9398         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
9399         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
9400         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
9401         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
9402         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
9403         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
9404         sse2_pshufhw_1): Likewise.
9405         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
9406         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
9407         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
9408         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
9409         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
9410         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
9411         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
9412         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
9413         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
9414         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
9415         sminv8hi3): Mark commutative
9416         operands.  Use ix86_binary_operator_ok.
9417         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
9418         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
9419         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
9420         sse2_punpcklqdq): Allow operand2 in memory.
9421         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
9422         sse2_movsd): Add memory alternatives.
9423         (sse_storelps): Turn expander into an insn; split after reload.
9424         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
9425         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
9426
9427 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9428
9429         * configure.ac (DWARF-2 debug_line): Use objdump.
9430         * configure: Regenerate.
9431
9432 2005-01-08  Jeff Law  <law@redhat.com>
9433             Diego Novillo  <dnovillo@redhat.com>
9434
9435         PR tree-optimization/18241
9436         * tree-nrv.c (tree_nrv): Ignore volatile return values.
9437         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
9438         statements with volatile operands.
9439         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
9440         operands after marking a statement with has_volatile_ops.
9441
9442 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9443
9444         * tree.c (int_fits_type_p): Always honor integer constant
9445         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
9446
9447 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9448
9449         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
9450         the latent bug in rtl_delete_block has been resolved.
9451
9452 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9453
9454         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
9455         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
9456
9457 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9458
9459         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
9460         library as @multilib_dir@/$(SHLIB_SONAME).
9461
9462 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9463
9464         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
9465         * configure: Regenerate.
9466
9467 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9468
9469         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
9470         TYPE_MODE.
9471
9472 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
9473
9474         PR target/13674
9475         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9476         Convert non-word aligned offset address using ld/std into
9477         indirect address.
9478
9479 2005-01-07  Richard Henderson  <rth@redhat.com>
9480
9481         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
9482
9483 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
9484
9485         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
9486
9487 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9488
9489         PR tree-optimization/19283
9490         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
9491         is not shorter than the original type.
9492
9493         PR rtl-optimization/19012
9494         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
9495
9496         PR rtl-optimization/18861
9497         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
9498         (FULL_STATE): Define.
9499         (mark_tablejump_edge): New function.
9500         (purge_dead_tablejump_edges): New function.
9501         (find_bb_boundaries): Use it.
9502
9503         PR tree-optimization/18828
9504         * builtins.c (expand_builtin_next_arg): Remove argument and all
9505         the argument checking.
9506         (expand_builtin): Adjust caller.
9507         (expand_builtin_va_start): Likewise.  Remove error for too many
9508         arguments.
9509         (fold_builtin_next_arg): Issue error for too many arguments.
9510         After checking arguments, replace them with magic arguments that
9511         prevent further checking of the args.
9512
9513 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9514
9515         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
9516
9517 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9518
9519         PR target/6077
9520         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
9521         and %{.S:...} (and their negative variants) to test whether the
9522         input file is assembler or pre-processed-assembler independent of
9523         the actual filename extension.
9524
9525 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9526
9527         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
9528         of sign or zero extended values.
9529
9530 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
9531
9532         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
9533         for IBM long double format correctly.
9534
9535 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
9536
9537         Fix PR tree-optimization/18792
9538
9539         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
9540         to first_loop_depth, and use loop depth instead of loop number.
9541         (build_classic_dir_vector): Ditto.
9542         (compute_data_dependences_for_loop): Use depth, not loop number.
9543         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
9544         number. Pass in loops, instead of loop numbers.
9545         (gather_interchange_stats): Ditto.
9546         (linear_transform_loops): Ditto.
9547
9548 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
9549
9550         PR rtl-opt/13299
9551         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
9552         biv_fits_mode_p, extension_within_bounds_p): New functions.
9553         (check_ext_dependent_givs): Use them.
9554
9555 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9556
9557         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
9558         more than one barrier, in which case we should delete them all.
9559
9560 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
9561
9562         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
9563
9564 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
9565
9566         Fix PR middle-end/19286
9567         Fix PR debug/19267
9568         * dwarf2out.c (gen_subprogram_die): If we've already tried to
9569         output this subprogram, simply ignore this attempt to do it again.
9570         (add_abstract_origin_attribute): Don't abort trying to add the abstract
9571         origin attribute if it's not possible.
9572         (gen_block_die): Don't ignore subblocks of "unused" blocks.
9573         (decls_for_scope): Ditto.
9574         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
9575         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
9576
9577 2005-01-05  Richard Henderson  <rth@redhat.com>
9578
9579         PR target/11327
9580         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
9581         (bdesc_2arg): Use it.
9582         (ix86_expand_binop_builtin): Force operands into registers
9583         when optimizing.
9584         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
9585         ix86_expand_sse_compare, ix86_expand_sse_comi,
9586         ix86_expand_builtin): Likewise.
9587
9588 2005-01-05  Richard Henderson  <rth@redhat.com>
9589
9590         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
9591         and VEC_SELECT.
9592         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
9593         (mulv4hi3): Set itanium_class mmmul.
9594         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
9595         (fpack): Rename from fpack_sfsf.
9596
9597 2005-01-05  Richard Henderson  <rth@redhat.com>
9598
9599         PR rtl-opt/10692
9600         * reload1.c (do_input_reload): Restrict the optimization deleteing
9601         a previous output reload to RELOAD_FOR_INPUT.
9602
9603 2005-01-05  Steven Bosscher  <stevenb@suse.de>
9604
9605         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
9606         comment that we fall through after case.
9607         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
9608         (distribute_links): Likewise.
9609         * cse.c (cse_insn): Likewise.
9610         * cselib.c (cselib_invalidate_mem): Likewise.
9611         * df.c: Update comments at the top of the file.
9612         (read_modify_subreg_p): Update comments here too.
9613         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
9614         * flow.c (mark_set_1): Likewise.
9615         (mark_used_regs): Likewise.
9616         * gcse.c (mems_conflict_for_gcse_p): Likewise.
9617         (canon_list_insert): Likewise.
9618         (mark_set): Likewise.
9619         (try_replace_reg): Likewise.
9620         (store_killed_in_insn): Likewise.
9621         * loop.c (count_one_set): Likewise.
9622         (basic_induction_var): Likewise.
9623         * postreload-gcse.c (find_mem_conflicts): Likewise.
9624         * postreload.c (reload_combine_note_store): Likewise.
9625         (move2add_note_store): Likewise.
9626         * reload.c (find_equiv_reg): Likewise.
9627         (mark_referenced_resources): Likewise.
9628         * rtlanal.c (set_noop_p): Likewise.
9629         (note_stores): Likewise.
9630         (note_uses): Likewise.
9631         * sched-deps.c (sched_analyze_1): Likewise.
9632         * sched-rgn.c (check_live_1): Likewise.
9633         (update_live_1): Likewise.
9634         * config/i860/i860.c: Likewise.
9635
9636         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
9637         an lvalue.
9638         (ZERO_EXTRACT): Mention that this one can be an lvalue.
9639
9640         * doc/rtl.texi: Update documentation for bit-fields and SET.
9641
9642 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9643
9644         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
9645
9646 2005-01-05  Jan Hubicka  <jh@suse.cz>
9647             Richard Henderson  <rth@redhat.com>
9648
9649         PR target/18910
9650         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
9651         with an offset.
9652
9653 2005-01-05  Richard Henderson  <rth@redhat.com>
9654
9655         PR target/12902
9656         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
9657         (sse_shufps): Change operand 3 to const_int_operand.
9658         (sse2_storelps): Fix typo in template.
9659         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
9660         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
9661         (ix86_expand_builtin): Likewise.
9662
9663 2005-01-05  Julian Brown  <julian@codesourcery.com>
9664
9665         * config/arm/arm.c (arm_return_in_memory): Treat complex types
9666         as aggregates for AAPCS ABIs.
9667
9668 2005-01-05  Stan Shebs  <shebs@apple.com>
9669
9670         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
9671         Mach-O getters if ppc64.
9672         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
9673         size argument.
9674         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
9675         signed four-byte field for global code case.
9676         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
9677
9678 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9679
9680         PR middle-end/19100
9681         * c-common.c: Include real.h.
9682         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
9683         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
9684         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
9685         * Makefile.in (c-common.o): Update dependencies.
9686
9687 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9688
9689         * c-parse.in (asm_string): Add trailing semicolon.
9690
9691 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9692
9693         * c-parse.in (asm_string): New.  Don't allow wide strings in
9694         'asm'.
9695         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
9696         asm_string instead of STRING.
9697
9698 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9699
9700         * c-typeck.c (constructor_no_implicit): Remove.
9701         (set_designator, process_init_element): Don't check
9702         constructor_no_implicit.
9703
9704 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
9705             Kaz Kojima  <kkojima@gcc.gnu.org>
9706
9707         PR target/16482
9708         * lcm.c (create_pre_exit): New.
9709         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
9710         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
9711
9712 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9713
9714         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
9715         -msoft-float in target_float_switch.
9716         * arm.c (arm_override_options): Fix processing of target_float_switch.
9717
9718 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9719
9720         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
9721         preferencing.
9722
9723 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
9724
9725         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
9726         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
9727
9728 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9729
9730         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
9731         if deleting the then-block allows the test-block to fallthru to the
9732         else-block.
9733
9734 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
9735
9736         PR c/19152
9737         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
9738         after the full declaration if the are in two different TUs.
9739
9740 2005-01-04  Richard Henderson  <rth@redhat.com>
9741
9742         PR tree-opt/19158
9743         * tree-sra.c (generate_one_element_init): Just
9744         call gimplify_and_add.
9745         (generate_element_init): Record the
9746         new referenced variables and mark them for renaming
9747         and split out to ...
9748         (generate_element_init_1): This.
9749         (scalarize_init): Don't call push_gimplify_context/
9750         pop_gimplify_context.
9751
9752 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
9753
9754         * toplev.c (get_src_pwd): Handle failure of getpwd().
9755
9756 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9757
9758         * fold-const.c (fold_single_bit_test): Delete unreachable handling
9759         of TRUTH_NOT_EXPR.
9760         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
9761         all the cases handled by it are inverted by invert_truthvalue.
9762
9763 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9764
9765         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
9766         (save_register_windowsi): Likewise.
9767
9768 2005-01-04  Richard Henderson  <rth@redhat.com>
9769
9770         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
9771
9772 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9773
9774         PR middle-end/17767
9775         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
9776         any simplifications of vector mode comparison operators.
9777         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
9778
9779 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
9780             Devang Patel  <dpatel@apple.com>
9781
9782         PR tree-optimization/18308
9783         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
9784         the operands before creating a new expression.
9785         * dojump.c (do_jump): Make drop_through_label available
9786         for all cases.  Add expansion of COND_EXPR.
9787
9788 2005-01-04  Ira Rosen  <irar@il.ibm.com>
9789
9790         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
9791         INTEGER_CST instead of TREE_CONSTANT.
9792         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
9793         instead of TREE_CONSTANT.
9794         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
9795         instead of TREE_CONSTANT.
9796
9797 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9798
9799         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
9800
9801 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9802
9803         PR target/19240
9804         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
9805         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
9806
9807 2005-01-03  Richard Henderson  <rth@redhat.com>
9808
9809         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
9810         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
9811         fold_convert_const_real_from_real): Split out from ...
9812         (fold_convert_const): ... here.
9813
9814 2005-01-03  Richard Henderson  <rth@redhat.com>
9815
9816         PR target/19235
9817         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
9818         (mov<MMXMODEI>_internal): Likewise.
9819         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
9820         Add V2SF case; use it for SSE1; don't use TI.
9821         (movdf_integer): Likewise.
9822         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
9823
9824 2005-01-03  Ira Rosen  <irar@il.ibm.com>
9825
9826         * tree-vectorizer.c (vect_strip_conversions): New function.
9827         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
9828         check for binary class.
9829
9830 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
9831
9832         Fix PR debug/17924
9833         Fix PR debug/19191
9834         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
9835         is a decl.
9836         * gimple-low.c (mark_blocks_with_used_vars): New function.
9837         (mark_blocks_with_used_subblocks): Ditto.
9838         (mark_used_blocks): Ditto.
9839         (pass_mark_used_blocks): New pass.
9840         * tree-inline.c: Include debug.h.
9841         (expand_call_inline): Call outlining_inline_function here.
9842         * tree-optimize.c (init_tree_optimization_passes): Add
9843         pass_mark_used_blocks.
9844         * tree-pass.h (pass_mark_used_blocks): New.
9845         * Makefile.in (tree-inline.o): Add debug.h dependency.
9846
9847 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
9848
9849         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
9850         VAR_DECLs to have weak_import attribute.
9851
9852         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
9853         'struct ucontext'.
9854
9855 2004-01-03  Steven Bosscher  <stevenb@suse.de>
9856
9857         * passes.c (rest_of_compilation): Don't run regmove if only
9858         flag_expensive_optimizations, require flag_regmove instead.
9859
9860 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
9861
9862         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
9863         register "sparc".
9864         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
9865         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9866         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
9867         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9868
9869 2005-01-03  Richard Henderson  <rth@redhat.com>
9870
9871         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
9872         (ia64_const_ok_for_letter_p): New.
9873         (ia64_const_double_ok_for_letter_p): New.
9874         (ia64_extra_constraint): New.
9875         (ia64_expand_vecint_compare): New.
9876         (ia64_expand_vcondu_v2si): New.
9877         (ia64_expand_vecint_cmov): New.
9878         (ia64_expand_vecint_minmax): New.
9879         (ia64_print_operand): Add 'v'.
9880         (ia64_preferred_reload_class): New.
9881         (ia64_vector_mode_supported_p): New.
9882         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
9883         (PREFERRED_RELOAD_CLASS): Move to function.
9884         (CONST_OK_FOR_LETTER_P): Move to function.
9885         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
9886         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
9887         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
9888         (EXTRA_CONSTRAINT): Move to function.
9889         * config/ia64/ia64.md: Include vect.md.
9890         (itanium_class): Add mmalua.
9891         (type): Handle it.
9892         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
9893         (1b_mmalua): New.
9894         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
9895         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
9896         CONST0_RTX.
9897         (const_int_2bit_operand): New.
9898         (fr_reg_or_0_operand): New.
9899         * config/ia64/ia64-modes.def: Add vector modes.
9900         * config/ia64/ia64-protos.h: Update.
9901         * config/ia64/vect.md: New file.
9902
9903 2005-01-03  Richard Henderson  <rth@redhat.com>
9904
9905         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
9906
9907 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
9908
9909         PR target/19236
9910         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
9911         to SFmode.
9912         (log1pdf2): Change mode of operands[0,1] to DFmode.
9913
9914 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
9915
9916         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
9917         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
9918         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
9919         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
9920         SPARC_RELAXED_ORDERING.
9921
9922 2005-01-03  Richard Henderson  <rth@redhat.com>
9923             Uros Bizjak  <uros@kss-loka.si>
9924
9925         PR target/14631
9926         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
9927         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
9928         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
9929         handling.
9930         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
9931         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
9932         const_pow2_1_to_128_operand): New predicates.
9933
9934 2005-01-02  Greg McGary  <greg@mcgary.org>
9935
9936         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
9937         anonymous decls.
9938         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
9939         object.  [ptr_type]: Remove unused variable.
9940         Remember nearest addressable array-element or record-component
9941         when checking bitfield components.  Tolerate empty BIND_EXPR.
9942
9943 2005-01-01  Richard Henderson  <rth@redhat.com>
9944
9945         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
9946         that don't narrow the value.  Fail for other conversions.
9947
9948 2005-01-01  Richard Henderson  <rth@redhat.com>
9949
9950         PR c/19031
9951         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
9952         * c-lang.c (finish_file): Don't do it here.
9953         * objc/objc-act.c (objc_finish_file): Likewise.
9954
9955         * cgraph.c (decl_assembler_name_equal): New.
9956         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
9957         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
9958         * cgraph.h (struct cgraph_varpool_node): Add next.
9959         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
9960         * varasm.c (assemble_alias): Mark the target as needed.
9961
9962 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
9963
9964         PR middle-end/19221
9965         * function.c (get_arg_pointer_save_area): Use entry_of_function
9966         instead of get_insns.
9967
9968 2005-01-01  Roger Sayle  <roger@eyesopen.com>
9969             Andrew Pinski  <pinskia@physics.uc.edu>
9970             James E. Wilson  <wilson@specifixinc.com>
9971
9972         PR rtl-optimization/12092
9973         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
9974         is zero.
9975
9976 2005-01-01  Roger Sayle  <roger@eyesopen.com>
9977             Olivier Hainque  <hainque@act-europe.fr>
9978
9979         * tree.c (int_fits_type_p): A narrower type always fits in a
9980         wider one, except for negative values into unsigned types.
9981
9982 2005-01-01  Roger Sayle  <roger@eyesopen.com>
9983
9984         * tree.c (int_fits_type_p): Compare the result of force_fit_type
9985         with the original constant rather than require TREE_OVERFLOW.
9986
9987 2005-01-01  Steven Bosscher  <stevenb@suse.de>
9988
9989         PR middle-end/17544
9990         * c-decl.c (finish_function): If compiling C99, annotate the
9991         compiler generated return with the current file name and line 0.
9992         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
9993         the source line is greater than 0.
9994         (remove_bb): Likewise.
9995
9996 See ChangeLog.12 for earlier changes.