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2005-04-04 Dale Johannesen <dalej@apple.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-04  Dale Johannesen  <dalej@apple.com>
2
3         * ChangeLog:  remove reference to ChangeLog.12.
4
5 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6
7         CRIS epilogue as RTL.
8         * config/cris/cris.md: Change all 0 in unspec 0 to
9         CRIS_UNSPEC_PLT.
10         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
11         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
12         patterns.
13         ("return"): Change to define_expand.  Call cris_expand_return for
14         actual expansion.
15         ("*return_expanded"): New pattern.
16         ("epilogue"): New define_expand.
17         * config/cris/cris.h (PREDICATE_CODES): Add
18         cris_load_multiple_op.
19         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
20         type.
21         (enum cris_retinsn_type): New.
22         (struct machine_function): New member return_type.
23         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
24         (cris_target_asm_function_epilogue): Remove, moving RTLified
25         contents to...
26         (cris_expand_epilogue): New function.
27         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
28         (cris_gen_movem_load, cris_load_multiple_op)
29         (cris_return_address_on_stack_for_return, cris_expand_return): New
30         functions.
31         (cris_target_asm_function_prologue)
32         (cris_initial_frame_pointer_offset): Call
33         cris_reg_saved_in_regsave_area instead of complicated expression.
34         Call cris_return_address_on_stack instead of an expression.
35         (cris_print_operand) <case 'o', case 'O'>: New cases.
36         (cris_return_address_on_stack): Change return-type to bool.
37         (cris_simple_epilogue): Ditto.  Return false if registers are
38         saved.
39         * config/cris/cris-protos.h (cris_simple_epilogue)
40         (cris_return_address_on_stack): Adjust prototype return type.
41         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
42         (cris_return_address_on_stack_for_return): New prototypes.
43
44 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
45
46         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
47         gpr_or_int12_operand.
48
49         * config/frv/frv-protos.h: Add a prototype to
50         frv_legitimate_memory_operand and frv_const_unspec_p.
51         (frv_unspec): Move from frv.c.
52         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
53         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
54         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
55         gpr_or_fpr_operand, gpr_or_int12_operand,
56         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
57         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
58         int6_operand, int5_operand, uint5_operand, uint4_operand,
59         uint1_operand, int_2word_operand, uint16_operand,
60         upper_int16_operand, integer_register_operand,
61         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
62         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
63         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
64         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
65         move_destination_operand, movcc_fp_destination_operand,
66         frv_function_symbol_referenced_p, move_source_operand,
67         condexec_dest_operand, condexec_source_operand,
68         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
69         const_unspec_operand, gpr_or_memory_operand,
70         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
71         icc_operand, fcc_operand, cc_operand, icr_operand,
72         fcr_operand, cr_operand, call_operand, sibcall_operand,
73         symbolic_operand, relational_operator,
74         integer_relational_operator, float_relational_operator,
75         ccr_eqne_operator, minmax_operator,
76         condexec_si_binary_operator, condexec_si_media_operator,
77         condexec_si_divide_operator, condexec_si_unary_operator,
78         condexec_sf_conv_operator, condexec_sf_add_operator,
79         condexec_memory_operand, intop_compare_operator, acc_operand,
80         even_acc_operand, quad_acc_operand, accg_operand: Move to
81         predicates.md.
82         * config/frv/frv.h (PREDICATE_CODES): Remove.
83         * config/frv/frv.md: Include predicates.md.
84         * config/frv/predicates.md: New.
85
86 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
87
88         PR target/19537
89         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
90         * tree-ssa-loop-ivopts.c: Include langhooks.h.
91         (add_standard_iv_candidates_for_size): New function, extracting code
92         from add_standard_iv_candidates and parameterizing it by type size.
93         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
94
95 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
96
97         * system.h (GCOV_SIZE_TYPE): Unposion.
98         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
99         (GCOV_TYPE_SIZE): ...this new macro.
100         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
101         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
102         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
103         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
104         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
105         instead of unsigned_intSI_type_node.
106         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
107         (rtl_gen_one_value_profiler_no_edge_manipulation)
108         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
109         * value-prof.c: Include coverage.h.
110
111 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
112             Diego Novillo <dnovillo@redhat.com>
113             
114         Fix PR tree-optimization/20703
115         Fix PR tree-optimization/20725
116         
117         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
118         (create_expression_by_pieces): Ditto.
119         (valid_in_set): Ditto. Also handle tcc_declaration.
120         (find_or_generate_expression): Handle comparison class.
121         (insert_into_preds_of_block): Ditto.
122         (insert_aux): Ditto.
123         (create_value_expr_from): Handle comparison class, recursively
124         handle reference nodes.
125         (compute_avail): Handle comparison classes, rewrite a little cleaner.
126         (execute_pre): Fix spacing.
127         (do_fre): Renamed to execute_fre.
128
129 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
130
131         * doc/invoke.texi (SPARC options): Document that
132         -mlittle-endian is not supported on Linux either.
133
134 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
135
136         PR target/4198
137         PR target/12027
138         * config.gcc (Obsolete configurations): Remove
139         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
140         (sparclite-*-coff*): Delete.
141         (sparclite-*-elf*): Likewise.
142         (sparc86x-*-elf*): Likewise.
143         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
144         * config/sparc/lite.h: Delete.
145         * config/sparc/litecoff.h: Likewise.
146         * config/sparc/liteelf.h: Likewise.
147         * config/sparc/sp86x-elf.h: Likewise.
148         * config/sparc/t-sparclite: Likewise.
149         * config/sparc/t-sp86x: Likewise.
150
151 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
152
153         * config/s390/s390-protos.h: (s390_comparison,
154         s390_alc_comparison, s390_slb_comparison, const0_operand,
155         consttable_operand, larl_operand, s_operand,
156         shift_count_operand, bras_sym_operand, load_multiple_operation,
157         store_multiple_operation, s390_plus_operand): Remove prototypes.
158         (s390_legitimate_address_without_index_p): New prototype.
159         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
160         to s390.h.
161         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
162         const0_operand, consttable_operand, larl_operand, s_operand,
163         shift_count_operand, bras_sym_operand, load_multiple_operation,
164         store_multiple_operation, s390_plus_operand): Move to
165         predicates.md.
166         (check_mode): Remove.
167         (s390_branch_condition_mask): Remove 'static'. Move prototype to
168         s390-protos.h.
169         (s390_legitimate_address_without_index_p): New.
170         * config/s390/s390.h (PREDICATE_CODES): Remove.
171         * config/s390/s390.md: Include predicates.md.
172         * config/s390/predicates.md: New.
173
174 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
175
176         PR target/20446
177         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
178         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
179         (NEED_INDICATE_EXEC_STACK): Define to 1.
180         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
181         (NEED_INDICATE_EXEC_STACK): Define to 1.
182         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
183         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
184         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
185         (pic_helper_emitted_p): New global.
186         (emit_pic_helper): New function extracted from...
187         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
188         Do not call emit_pic_helper if delay_pic_helper is true.
189         (sparc_expand_prologue): Pass 'false' to load_pic_register.
190         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
191         (sparc_file_end): New function.
192
193 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
194
195         * config/mcore/mcore-protos.h: Remove the prototypes for
196         mcore_arith_reg_operand, mcore_general_movsrc_operand,
197         mcore_general_movdst_operand, mcore_reload_operand,
198         mcore_arith_J_operand, mcore_arith_K_operand,
199         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
200         mcore_arith_K_S_operand, mcore_arith_imm_operand,
201         mcore_arith_any_imm_operand, mcore_arith_O_operand,
202         mcore_literal_K_operand, mcore_addsub_operand,
203         mcore_compare_operand, mcore_load_multiple_operation,
204         mcore_store_multiple_operation, mcore_call_address_operand.
205         Add a prototype for const_ok_for_mcore.
206         * config/mcore/mcore.c (mcore_call_address_operand,
207         mcore_general_movsrc_operand, mcore_general_movdst_operand,
208         mcore_arith_reg_operand, mcore_reload_operand,
209         mcore_arith_J_operand, mcore_arith_K_operand,
210         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
211         mcore_arith_M_operand, mcore_arith_imm_operand,
212         mcore_arith_any_imm_operand, mcore_arith_O_operand,
213         mcore_literal_K_operand, mcore_addsub_operand,
214         mcore_compare_operand, mcore_load_multiple_operation,
215         mcore_store_multiple_operation): Move to predicates.md.
216         (const_ok_for_mcore): Export.
217         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
218         * config/mcore/mcore.md: Include predicates.md.
219         * config/mcore/predicates.md: New.
220
221         * config/mcore/predicates.md: Fix a comment typo.
222
223 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
224             Adrian Straetling  <straetling@de.ibm.com>
225
226         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
227         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
228         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
229         attribute.
230         ("imul"): Removed from "type" attribute.
231         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
232         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
233         Changed type to imulsi.
234         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
235
236 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
237
238         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
239         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
240         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
241         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
242         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
243         (TARGET_SWITCHES, mcore_stack_increment_string)
244         (TARGET_OPTIONS): Delete.
245         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
246         than *_BIT constants.
247         (TARGET_8ALIGN): #undef old definition before redefining to 1.
248         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
249         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
250         (mcore_override_options): Delete mcore_stack_increment code.
251         Change use of M340_BIT to MASK_M340.
252         * config/mcore/mcore.opt: New file.
253
254 2005-04-04  Ian Lance Taylor  <ian@airs.com>
255
256         * config/arm/arm.c (replace_symbols_in_block): Remove static
257         function.
258
259 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
260
261         * config/fr30/fr30-protos.h: Remove the prototypes for
262         stack_add_operand, add_immediate_operand,
263         high_register_operand, low_register_operand, call_operand,
264         di_operand, and nonimmediate_di_operand.
265         * config/fr30/fr30.c (stack_add_operand,
266         add_immediate_operand, high_register_operand,
267         low_register_operand, call_operand, di_operand,
268         nonimmediate_di_operand): Move to predicates.md.
269         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
270         * config/fr30/fr30.md: Include predicates.md.
271         * config/fr30/predicates.md: New.
272
273         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
274         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
275         mcore_call_address_operand.
276
277         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
278         general_movsrc_operand.
279
280 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
281
282         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
283         after freeing.
284
285 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
286
287         PR target/14812
288         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
289         a negated value.
290
291 2005-04-04  Richard Henderson  <rth@redhat.com>
292             Jakub Jelinek  <jakub@redhat.com>
293
294         PR rtl-optimization/16104
295         * fold-const.c (fold_unary): Fix folding of vector conversions.
296
297 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
298
299         * config.gcc (xstormy16-*-elf): Set extra_options.
300         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
301         * config/stormy16/stormy16.opt: New file.
302
303 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
304
305         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
306         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
307         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
308         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
309         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
310         (TARGET_UNIX_ASM): Delete.
311         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
312         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
313         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
314         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
315         * config/pdp11/pdp11.opt: New file.
316
317 2005-04-03  Roger Sayle  <roger@eyesopen.com>
318             Alexandre Oliva  <aoliva@redhat.com>
319
320         PR c++/19199
321         * fold-const.c (non_lvalue): Split tests into...
322         (maybe_lvalue_p): New function.
323         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
324         C++ front-end prior to lowering into gimple form.
325
326 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
327
328         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
329         BUILT_IN_STRNCASECMP): New.
330         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
331         and strndup.
332
333 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
334
335         PR target/14812
336         * arm.md (addsi3_compare0_for_combiner): Delete.
337         (addsi3_compare0_scratch_for_combiner): Delete.
338         (cmpsi_neg_shiftsi): Delete.
339         (compare_negsi_si): New pattern.
340         (cmpsi_negshiftsi_si): New pattern.
341         (negated_cbranchsi4): Restrict to equality_operator.
342         
343         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
344         template.
345
346 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
347
348         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
349         Fix comment typos.
350
351         * doc/install.texi: Fix a typo.
352
353 2005-04-03  Steven Bosscher  <stevenb@suse.de>
354
355         PR middle-end/20648
356         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
357         a computed goto if the edge to the computed goto block has
358         incoming abnormal edges.  Clarify how the function works.
359
360 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
361
362         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
363         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
364         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
365         hash_scan_set, reg_set_between_after_reload_p,
366         reg_used_between_after_reload_p, get_avail_load_store_reg,
367         eliminate_partially_redundant_load): Likewise.
368         * postreload.c (reload_cse_simplify_set,
369         reload_combine_note_use): Likewise.
370         * predict.c (predict_insn, expected_value_to_br_prob,
371         propagate_freq, expensive_function_p): Likewise.
372         * print-rtl.c (print_rtx): Likewise.
373         * profile.c (instrument_edges, instrument_values,
374         compute_branch_probabilities, branch_prob, union_groups,
375         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
376         * protoize.c (in_system_include_dir, file_could_be_converted,
377         file_normally_convertible, gen_aux_info_file, seek_to_line,
378         do_cleaning): Likewise.
379         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
380         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
381         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
382
383 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
384
385         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
386         * modulo-sched.c (undo_replace_buff_elem): New structure.
387         (kernel_number_of_cycles, ps_unschedule_node,
388         undo_generate_reg_moves,free_undo_replace_buff,
389         undo_permute_partial_schedule,  loop_single_full_bb_p,
390         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
391         build_loops_structure, get_sched_window): New.
392         (generate_reg_moves): Return undo_replace_buff_elem and other
393         fixes.
394         (generate_prolog_epilog): Remove old loop versioning.
395         (sms_schedule): Use loop information and loop_version.
396         (sms_schedule_by_order): Split part of it to get_sched_window.
397         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
398         cfg_layout_finalize and free_dominance_info before/after SMS.
399
400 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
401
402         * cfghooks.c (lv_flush_pending_stmts,
403         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
404         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
405         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
406         lv_add_condition_to_bb,
407         lv_adjust_loop_header_phi, extract_cond_bb_edges,
408         flush_pending_stmts): New in cfg_hooks structure.
409         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
410         extract_cond_bb_edges, lv_adjust_loop_header_phi,
411         lv_add_condition_to_bb): New declarations.
412         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
413         bool.
414         (loop_version): Declare.
415         * cfgloopmanip.c (cfghooks.h): Include.
416         (duplicate_loop_to_header_edge): Change return type to bool.
417         (loop_version, lv_adjust_loop_entry_edge): Move here.
418         * cfgrtl.c (cfgloop.h): Include.
419         (rtl_verify_flow_info_1): Fix.
420         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
421         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
422         initialization.
423         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
424         tree_lv_add_condition_to_bb): New.
425         (tree_cfg_hooks): Add new hooks to initialization.
426         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
427         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
428
429 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
430
431         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
432         xstormy16_below100_or_register,
433         xstormy16_splittable_below100_or_register, and
434         nonimmediate_nonstack_operand.
435
436         * config/stormy16/stormy16-protos.h: Remove the prototypes for
437         xstormy16_ineqsi_operator, equality_operator,
438         inequality_operator, shift_operator,
439         xstormy16_below100_operand, xstormy16_below100_or_register,
440         xstormy16_splittable_below100_or_register,
441         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
442         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
443         equality_operator, inequality_operator,
444         xstormy16_below100_operand, xstormy16_below100_or_register,
445         xstormy16_splittable_below100_or_register,
446         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
447         nonimmediate_nonstack_operand, shift_operator): Move to
448         predicates.md.
449         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
450         * config/stormy16/stormy16.md: Include predicates.md.
451         * config/stormy16/predicates.md: New.
452
453 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
454
455         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
456         small_int, large_int, reg_or_0_operand, simple_memory_operand,
457         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
458         move_operand, power_of_2_operand): Move to predicates.md.
459         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
460         PREDICATE_CODE): Remove.
461         * config/iq2000/iq2000.md: Include predicates.md.
462         * config/iq2000/predicates.md: New.
463
464 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
465
466         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
467         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
468         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
469         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
470         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
471         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
472         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
473         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
474         (TARGET_M68HC11): Delete.
475         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
476         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
477         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
478         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
479         (nb_soft_regs): Delete.
480         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
481         (m68hc11_override_options): Remove the code that caters for MASK_M6811
482         and MASK_M6812 being set simultaneously.  Change the code that sets
483         the default m68hc11_soft_reg_count to use integers instead of strings.
484         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
485         m68hc11_soft_reg_count (which now has an int type) as the number
486         of soft registers.
487         * config/m68hc11/m68hc11.opt: New file.
488
489 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
490
491         * config/fr30/fr30.h (PREDICATE_CODES): Remove
492         fp_displacement_operand, sp_displacement_operand.
493
494         * config/m68hc11/m68hc11-protos.h: Add a prototype for
495         m68hcc_auto_inc_p.
496         Remove the prototypes for tst_operand, cmp_operand,
497         stack_register_operand, d_register_operand,
498         hard_addr_reg_operand, splitable_operand,
499         m68hc11_logical_operator, m68hc11_arith_operator,
500         m68hc11_non_shift_operator, m68hc11_shift_operator,
501         m68hc11_unary_operator, m68hc11_eq_compare_operator,
502         non_push_operand, hard_reg_operand, and
503         reg_or_some_mem_operand.
504         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
505         extern.
506         (tst_operand, cmp_operand, non_push_operand,
507         splitable_operand, reg_or_some_mem_operand,
508         stack_register_operand, d_register_operand,
509         hard_addr_reg_operand, hard_reg_operand,
510         m68hc11_eq_compare_operator, m68hc11_logical_operator,
511         m68hc11_arith_operator, m68hc11_non_shift_operator,
512         m68hc11_shift_operator, m68hc11_unary_operator): Move to
513         predicates.md.
514         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
515         * config/m68hc11/m68hc11.md: Include predicates.md.
516         * config/m68hc11/predicates.md: New.
517
518 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
519
520         PR debug/19345
521         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
522         change checked in along with 2005-03-03's patch for debug/20253.
523         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
524         (remap_decl): Insert type decl in map earlier.
525
526 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
527
528         PR tree-optimization/20640
529         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
530         post-dominator if it has phi nodes.
531         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
532         before dead statements.
533
534 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
535
536         PR middle-end/20491
537         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
538
539 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
540
541         PR rtl-optimization/20290
542         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
543         in every iteration if the entry point is the exit test.
544
545 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
546
547         * config/cris/cris.md (attribute "length"): Define.
548
549 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
550
551         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
552         (word_offset_memref_operand): New.
553         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
554         (indexed_or_indirect_operand): Delete.
555         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
556         (indexed_or_indirect_operand): Delete.
557
558         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
559
560         PR 20650
561         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
562         a register.
563
564         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
565         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
566
567 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
568
569         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
570
571 2005-04-01  Ian Lance Taylor  <ian@airs.com>
572
573         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
574         (rus, prus): Remove static variables.
575         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
576         (process_command): Permit report_times and use_pipes together.
577
578 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
579
580         * c-decl.c (validate_proto_after_old_defn): Look at
581         TYPE_MAIN_VARIANT of argument types.
582
583 2005-04-01  Paul Brook  <paul@codesourcery.com>
584
585         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
586         (arm_output_function_epilogue): Allow call_via_SP.
587         (thumb_call_via_reg, arm_file_end): Ditto.
588         * config/arm/arm.h (struct machine_function): Include space for SP.
589         (thumb_call_via_label): Update declaration.
590
591 2005-04-01  Ian Lance Taylor  <ian@airs.com>
592
593         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
594         doing a peephole optimization, once again put any notes in the
595         proper position.
596
597 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
598
599         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
600
601 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
602
603         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
604         (block_alloc, find_free_reg): Likewise.
605         * loop-doloop.c (doloop_modify): Likewise.
606         * loop-invariant.c (record_use): Likewise.
607         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
608         get_iv_value, canon_condition, eliminate_implied_condition,
609         eliminate_implied_condition, simplify_using_initial_values,
610         shorten_into_mode, canonicalize_iv_subregs,
611         iv_number_of_iterations): Likewise.
612         * loop-unroll.c (expand_var_during_unrolling): Likewise.
613         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
614         unswitch_loop): Likewise.
615         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
616         move_movables, replace_call_address, find_and_verify_loops,
617         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
618         record_giv, final_giv_value, general_induction_var,
619         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
620         loop_giv_dump): Likewise.
621
622         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
623         GCOV_CHECK_WRITING): Remove.
624         (gcov_position, gcov_rewrite): Use gcc_assert.
625         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
626         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
627         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
628         gcc_assert.
629
630 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
631
632         * tree-inline.c: Fix a typo.
633
634 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
635
636         * configure.ac (enable-checking): Explicitly set all variables for
637         collective switch values.  Alphabetize variables. Rename
638         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
639         synonym for 'no'.
640         * doc/install.texi (enable-checking): Update documentation.
641         * configure: Rebuilt.
642
643 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
644
645         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
646         possible.
647
648 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
649
650         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
651         Also reject cases where this pattern will cause load delay stalls
652         unless optimizing for size and it will produce a shorter sequence.
653         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
654         variants to avoid pre-adjusting the base when possible.
655
656 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
657
658         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
659         the frame and argument pointers.
660         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
661         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
662         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
663         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
664         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
665         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
666
667 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
668
669         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
670         with entry for selectany attribute.
671         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
672         Declare.
673         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
674         (i386_pe_asm_named_section): Handle sections generated by
675         selectany attribute.
676         * doc/extend.texi (selectany): Document attribute.
677
678 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
679             Jan Hubicka  <jh@suse.cz>
680
681         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
682         to fix addresses involving EBP and ESP.
683         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
684         for SUBREGed registers.
685         (legitimate_address_p): Accept SUBREGed registers.
686
687 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
688
689         PR c++/19406
690         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
691         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
692         for FIELD_DECLs.
693
694 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
695
696         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
697
698 2005-04-01  James E Wilson  <wilson@specifixinc.com>
699
700         PR c++/20505
701         * dwarf2out.c (rtl_for_decl_init): New function.
702         (rtl_for_decl_location): Extracted from here.
703         (tree_add_const_value_attribute): Call rtl_for_decl_init and
704         add_const_value_attribute.  Delete initializer_constant_valid_p call.
705
706 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
707
708         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
709         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
710         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
711         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
712         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
713         config/i386/i386.md, config/rs6000/predicates.md,
714         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
715         config/s390/s390.c, config/stormy16/stormy16.c,
716         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
717         typos.
718
719 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
720
721         PR c/17855
722         * gimplify.c (gimplify_expr): Create a temporary for lvalue
723         COND_EXPR and CALL_EXPR.
724
725 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
726
727         PR target/20632
728         * genautomata.c (first_cycle_unit_presence): Check all alternative
729         states for unit presence.
730
731         * doc/md.texi: Remove remark about impossibility to query unit
732         presence in non nondeterministic automaton state.
733         
734         * config/ia64/ia64.c (get_template): Change order of unit querying.
735
736 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
737
738         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
739         obsolete comment.
740
741 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
742
743         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
744         flag for edges outside any loops.
745
746 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
747
748         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
749
750 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
751
752         * tree-ssa-alias.c: Follow spelling conventions.
753         * doc/tree-ssa.texi: Fix a typo.
754
755 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
756
757         * postreload-gcse.c: Include target.h.
758         (gcse_after_reload_main): Return early if we cannot modify jumps.
759         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
760
761 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
762
763         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
764         expensive operations.
765
766 2005-03-31  Ian Lance Taylor  <ian@airs.com>
767
768         * collect2.c (lderrout): New variable.
769         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
770         if it is set, to stderr.
771         (handler): Unlink lderrout if it is set.
772         (dump_file): Add "to" parameter.  Change all callers.
773         (main): Initialize lderrout.
774         (collect_execute): Add errname parameter.  Change all callers.
775         Rename redir parameter to outname.  Never pass
776         PEX_STDERR_TO_STDOUT to pex_run.
777         * collect2.h (collect_execute, dump_file): Update declarations.
778         * tlink.c (tlink_execute): Add errname parameter.  Change all
779         callers.
780         (do_tlink): Check lderrout as well as ldout.
781
782 2005-03-31  Caroline Tice  <ctice@apple.com>
783
784         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
785         (bb-reorder.o): Add errors.h to list of requirements.
786         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
787         profiledbootstrap flags.
788         * bb-reorder.c (errors.h): Add new include.
789         (struct bbro_basic_block_data_def): Add new field, in_trace.
790         (add_unlikely_executed_notes):  Remove function.
791         (mark_bb_for_unlikely_executed_section): Remove function.
792         (insert_section_boundary_note): New function.
793         (verify_hot_cold_block_grouping): New function.
794         (push_to_next_round_p): Remove variables and tests that push all
795         cold blocks to last round.
796         (find_traces): Remove code that added extra round of trace finding
797         when doing partitioning.
798         (find_traces_1_round) :  Remove variable last_round;  add code to 
799         update new struct field, in_trace; correct trace_length where it was 
800         incorrect before (after call to copy_bb); change code that pushed all 
801         cold blocks to last round. Instead verify that all blocks going into 
802         a trace belong in the same partition.
803         (connect_traces): Modify to connect the traces in two passes, if the
804         function contains both hot and cold blocks.  The first pass connects 
805         all the traces for blocks in the partition that the first block in 
806         the function belongs to; the second pass connnects all the traces 
807         containing blocks that belong in the other partition.
808         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
809         code that automatically put the first block in a function into the
810         hot partition if the function had any hot blocks.
811         (fix_crossing_unconditional_branches): Check number of succ edges 
812         before attempting to get one.
813         (fix_edges_for_rarely_executed_code):  Update comment describing
814         function.
815         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
816         remove call to add_unlikely_executed_notes; add call to 
817         verify_hot_cold_block_grouping.
818         (duplicate_computed_gotos): Don't change computed goto if it's a 
819         crossing edge.
820         (partition_hot_cold_basic_blocks):  Update function comment.
821         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
822         condition.
823         (try_forward_edges): Likewise.
824         (merge_blocks_move_predecessor_nojumps): Likewise.
825         (merge_blocks_move_successor_nojumps): Likewise.
826         (merge_blocks_move): Likewise.
827         (try_crossjump_bb): Likewise.
828         * cfglayout.c (update_unlikely_executed_notes): Remove function.
829         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
830         notes to cold bb's; remove call to update_unlikely_executed_notes.
831         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
832         NOTE_INSN_SWITCH_TEXT_SECTIONS.
833         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
834         function declaration.
835         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
836         from consideration.
837         (rtl_can_merge_blocks): Remove redundancy from condition.
838         (try_redirect_by_replacing_jump): Likewise.
839         (force_nonfallthru_and_redirect): Remove code for adding
840         UNLIKELY_EXECUTED_CODE notes to cold bb's.
841         (commit_one_edge_insertion): Likewise.
842         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
843         * dbxout.c (FORCE_TEXT): Replace function_section with 
844         current_function_section.
845         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
846         function, switch_text_section.
847         (struct xcoff_debug): Likewise.
848         (dbxout_function_end): Add code to put out label diffs for both
849         hot and cold sections.
850         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
851         for new debug_hooks funciton, switch_text_section..
852         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
853         switch_text_section.
854         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
855         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
856         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
857         dw_fde_switched_sections.
858         (output_call_frame_info):  Add test to see if function switches text
859         sections in the middle; if so, use appropriate extra hot and cold 
860         section labels to compute size deltas for the hot and cold sections.
861         (dwarf2out_begin_prologue): Add code to initialize new fields in 
862         dw_fde_struct.
863         (dwarf2out_switch_text_section): New function (invoked through 
864         debug_hook); updates new fields in dw_fde_struct appropriately and
865         increments separate_line_info_table_in_use.
866         (dwarf2_debug_hooks): Initialize switch_text_section function to be
867         dwarf2out_switch_text_section.
868         (struct var_loc_node): Add new field, section_label.
869         (output_aranges): Add code to check whether in hot or cold section and
870         use the appropriate label in calculating deltas.
871         (output_ranges): Likewise.
872         (output_line_info): Add code to check which section we're in and
873         use appropriate hot/cold label.
874         (add_location_or_constant_value_attribute): Likewise.
875         (gen_subprogam_die): Modify arange attributes to use correct labels.
876         (dwarf2out_begin_block): Change call to function_section into call to
877         current_function_section.
878         (dwarf2out_end_block): Likewise.
879         (dwarf2out_source_line): Likewise.
880         (dwarf2out_var_location): Add code to check whether in hot or cold 
881         section and use the appropriate label.
882         * except.c (output_function_exception_table): Change call to 
883         function_section into call to current_function_section.
884         * final.c (profile_function): Likewise.
885         (scan_ahead_for_unlikely_executed_note): Remove function.
886         (final_scan_insn):  Remove calls to 
887         scan_ahead_for_unlikely_executed_note, and related code for switching 
888         to cold section, except for the single time 
889         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
890         debug_hooks->switch_text_sections; replace appropriate calls to 
891         function_section with calls to current_function_section.
892         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
893         test_bb to condition.
894         (find_if_case_2): Likewise.
895         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
896         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
897         * opts.c (decode_options): Change warning about hot/cold partitioning
898         with exceptionss to inform (so as not to cause bootstrap failures);
899         remove warning about partitioning with DWARF debug info.
900         * output.h (current_function_section): Add new function decl.
901         (insert_section_boundary_note): Likewise.
902         (enum in_section): Move this declaration here from varasm.c.
903         (unlikely_section_label): Likewise.
904         (unlikely_text_section_name): Likewise.
905         (last_text_section_name): New global variable.
906         (last_text_section): Likewise.
907         (hot_section_label): Likewise.
908         (hot_section_end_label): Likewise.
909         (cold_section_end_label): Likewise.
910         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
911         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
912         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
913         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
914         insn from consideration.
915         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
916         switch_text_section.
917         * varasm.c (basic-block.h): Add new include.
918         (unlikely_section_label_printed): Remove global variable.
919         (unlikely_section_label): Make global variable not be static any more.
920         (unlikely_text_section_name): Likewise.
921         (hot_section_end_label): New global variable (not static)
922         (first_function_block_is_cold): Likewise.
923         (hot_section_label): Likewise.
924         (cold_section_end_label): Likewise..
925         (last_text_section): New global variable, not static.
926         (last_text_section_name): New global variable, not static.
927         (initialize_cold_section_name): New function.
928         (enum in_section): Move declaration to output.h.
929         (text_section): Update last_text_section.
930         (unlikely_text_section): Replace code to determine cold section name 
931         with call to initialize_cold_section_name; Add code to update 
932         last_text_section; remove code for printing out label.
933         (named_section_real): Add code to update last_text_section and 
934         last_text_section_name as appropriate.
935         (function_section): Change test for 'unlikely' to depend on
936         first_function_block_is_cold (moved old test to 
937         current_function_section).
938         (current_function_section): New function.
939         (assemble_start_function): Move code that frees 
940         unlikely_text_section_name; initialize hot_section_end_label; 
941         print hot and cold section labels at the start of the function; 
942         set first_function_block_is_cold, if appropriate; initialize l
943         ast_text_section; add call to insert_section_boundary_note.
944         (assemble_end_function):  Add code to write out hot and cold section
945         end labels.
946         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
947         switch_text_section.
948         * config/darwin.c (machopic_select_section): Replace incorrect 
949         function in base_funs; update reloc for cold sections if necessary.
950         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
951         last_text_section if appropriate.
952         (text_unlikely_section): Remove.
953         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
954         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
955         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
956         partitioning for this architecture.
957
958 2005-03-31  Olivier Hainque  <hainque@adacore.com>
959
960         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
961         defined and non-zero.
962
963 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
964
965         PR c++/18644
966         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
967         semantics. 
968
969 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
970
971         PR target/20611
972         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
973         label operand.  Remove (use (unspec..)).  Don't emit a label on
974         the offset word.
975         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
976         generate inline label for load_toc_v4_PIC_1b.
977         (rs6000_emit_load_toc_table): Likewise.
978
979 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
980
981         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
982         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
983
984 2005-03-29  Devang Patel  <dpatel@apple.com>
985
986         * tree-sra.c (decide_block_copy): Disable scalarization of
987         sub-elements.
988         
989 2005-03-30  Stuart Hastings  <stuart@apple.com>
990             Dale Johannesen  <dalej@apple.com>
991
992         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
993         * print-tree.c (print_node):  Add case STATEMENT_LIST.
994
995 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
996
997         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
998         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
999         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1000         is given with "powerpc64*" or "all", or when --with-cpu chooses
1001         a 64-bit cpu.
1002
1003 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1004
1005         PR debug/20268
1006         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1007         gen_lexical_block_die.
1008         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1009
1010 2005-03-31  Jan Hubicka  <jh@suse.cz>
1011
1012         2004-11-02  Jan Hubicka  <jh@suse.cz>
1013
1014         * cgraph.c (cgraph_varpool_node_name): New function.
1015         (dump_cgraph_varpool_node): New function.
1016         (dump_varpool): New function.
1017         * cgraphunit.c (cgraph_optimize): Dump varpool.
1018
1019         2004-10-16  Jan Hubicka  <jh@suse.cz>
1020
1021         * cgraph.c (decide_is_variable_needed): New function.
1022         (cgraph_varpool_finalize_decl): Use it.
1023         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1024         unit-at-a-time.
1025         * final.c (output_addr_const): Do not call mark_referenced.
1026         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1027         always go via cgraph.
1028         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1029         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1030         * tree-optimize.c (execute_inline): Mark functions called.
1031         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1032
1033         2004-10-11  Jan Hubicka  <jh@suse.cz>
1034
1035         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1036         (cgraph_varpool_last_needed_node): New static variable.
1037         (enqueue_needed_varpool_node): Break out from ...; add items to the
1038         end of queue; update first pointers.
1039         (cgraph_varpool_mark_needed_node): ... here.
1040         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1041         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1042         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1043         (cgraph_varpool_first_unanalyzed_node): Declare.
1044         * cgraphunit.c: Include output.h.
1045         (cgraph_varpool_analyze_pending_decls): New function.
1046         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1047         for errors, analyze pending decls.
1048         (cgraph_finalize_compilation_unit): Only analyze decls.
1049         (cgraph_optimize): Assemble the decls after expanding.
1050
1051 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1052
1053         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1054         subvars get marked properly in tags for grouping.
1055         (add_pointed_to_var): Mark only actual pointed to
1056         variables/subvars in addresses needed.
1057         (create_overlap_variables_for): Clear call clobbered on original
1058         variable.
1059         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1060         addresable vars with subvars into list.
1061         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1062         subvar should be.
1063
1064 2005-03-30  Richard Henderson  <rth@redhat.com>
1065
1066         * cgraph.h (struct cgraph_node): Add alias.
1067         * varasm.c (assemble_alias): Set it.
1068         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1069         avoid calling cgraph_expand_function.
1070
1071 2005-03-30  Tom Tromey  <tromey@redhat.com>
1072
1073         * tree.def (FILE_TYPE): Removed.
1074         * typeclass.h (enum type_class): Removed file_type_class.
1075         * dwarf2out.c (is_base_type): Updated.
1076         (gen_type_die): Likewise.
1077         * dbxout.c (dbxout_type): Updated.
1078         * builtins.c (type_to_class): Updated.
1079         * tree.c (type_contains_placeholder_1): Updated.
1080         * config/sparc/sparc.c (sparc_type_code): Updated.
1081         * config/ia64/ia64.c (hfa_element_mode): Updated.
1082         * expr.c (count_type_elements): Updated.
1083         * stor-layout.c (layout_type): Updated.
1084         * tree-inline.c (remap_type): Updated.
1085         * tree-pretty-print.c (dump_generic_node): Updated.
1086
1087 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1088
1089         * builtins.c (expand_builtin_powi): Fix mode of
1090         2nd argument to match int.
1091         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1092         2nd argument type to int.
1093         * libgcc2.c: Change prototype of __powi* functions to use
1094         int.
1095
1096 2005-03-30  Dale Johannesen  <dalej@apple.com>
1097
1098         PR middle-end/19225
1099         * calls.c (expand_call):  Flush pending deferrals before
1100         throwing call.
1101
1102 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1103
1104         PR c/772
1105         PR c/17913
1106         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1107         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1108         c_label_context, label_context_stack): New.
1109         * c-decl.c (define_label): Check for jumps into statement
1110         expressions.  Add label to list of defined labels.
1111         (start_function): Push context on label_context_stack.
1112         (finish_function): Pop context from label_context_stack.
1113         * c-typeck.c (label_context_stack): New.
1114         (c_finish_goto_label): Check for jumps into statement
1115         expressions.  Add label to list of jumped to labels.
1116         (struct c_switch): Add blocked_stmt_expr.
1117         (c_start_case): Initialize it.
1118         (do_case): Check it.
1119         (c_finish_case): Verify !blocked_stmt_expr.
1120         (c_begin_stmt_expr):  Push context on label_context_stack.
1121         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1122         as undefinable.
1123         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1124         defined in the statement expression and no longer jumpable to.
1125         Mark labels jumped to from just outside the statement expression
1126         as again definable.  Pop context from label_context_stack.
1127         * doc/extend.texi (Statement Exprs): Update.
1128
1129 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1130
1131         PR c/20368
1132         * c-decl.c (start_function): Check for old_decl being
1133         error_mark_node.
1134
1135 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1136
1137         * final.c (final): Remove prescan parameter.  Change all callers.
1138         (final_scan_insn): Remove prescan parameter.  Change all callers.
1139
1140 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1141
1142         * tree-vectorizer.c: Fix comment typos.
1143
1144 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1145
1146         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1147         as soon as a chrec_dont_know is detected.
1148
1149 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1150
1151         Merge from csl-arm-branch.
1152         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1153
1154         * tlink.c (recompile_files): Do not assume that "rename" can
1155         overwrite an existing file.
1156
1157 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1158
1159         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1160         * gcc/configure: Regenerate.
1161
1162 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1163
1164         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1165
1166         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1167
1168         * calls.c (struct arg_data): Update "partial" comment.
1169         (load_register_parameters): Update "nregs" comment.
1170
1171 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1172
1173         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1174         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1175         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1176         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1177         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1178         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1179         than target_flags & 0.
1180         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1181         (iq2000_arch, iq2000_parse_cpu): Delete.
1182         (TARGET_HANDLE_OPTION): Override default.
1183         (iq2000_handle_option): New function.
1184         (override_options): Remove -march= and -mcpu= handling.
1185         * config/iq2000/iq2000.opt: New file.
1186
1187 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1188
1189         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1190         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1191         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1192         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1193         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1194         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1195         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1196         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1197         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1198         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1199         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1200         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1201         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1202         (TARGET_OPTIONS): Delete.
1203         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1204         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1205         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1206         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1207         (c4x_cpu_version_string): Delete.
1208         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1209         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1210         equivalent -mcpu= option.
1211         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1212         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1213         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1214         or clearing the appropriate MASK_* bit.
1215         (c4x_file_start): Use c4x_cpu_version.
1216         * config/c4x/c4x.opt: New file.
1217
1218 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1219
1220         * doc/options.texi: Document the new MaskExists flag.
1221         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1222         if the option has the MaskExists flag.
1223
1224 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1225
1226         * opt-functions.awk (flag_set_p, test_flag): New functions.
1227         (switch_flags): Use them.
1228         * opth-gen.awk: Use flag_set_p to check for flags.
1229         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1230
1231 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1232
1233         * config.host (i[34567]86-*-mingw32*): Don't set
1234         host_can_use_collect2 to no.
1235
1236 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1237
1238         PR target/20203
1239         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1240         Remove convert_memory_address call duplicating that in memory_address.
1241
1242 2005-03-29  Richard Henderson  <rth@redhat.com>
1243
1244         PR c/20519
1245         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1246         (build_compound_literal): Likewise.  Propagate decl type into the
1247         initializer.
1248         (finish_decl): Likewise.  Use new return value from complete_array_type
1249         for zero sized arrays.
1250         (complete_array_type): Move ...
1251         * c-common.c (complete_array_type): ... here.  Change first argument
1252         to pointer-to-type-node.  Consistently use sizetype for the index
1253         except for zero sized arrays.  Detect zero sized arrays for pedantic
1254         mode diagnostics.  Create a new type node instead of modifying the
1255         old node in place.
1256         * c-tree.h (complete_array_type): Move decl ...
1257         * c-common.h (complete_array_type): ... here.
1258
1259 2005-03-29  Richard Henderson  <rth@redhat.com>
1260
1261         PR tree-opt/19108
1262         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1263
1264 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1265
1266         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1267         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1268         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1269         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1270
1271 2005-03-29  Eric Christopher  <echristo@redhat.com>
1272
1273         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1274         truthvalue conversion removal.
1275
1276 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1277
1278         PR bootstrap/14316
1279         * collect2.c: Never include <vfork.h>.
1280         (VFORK_STRING, vfork): Don't define.
1281         (pid): Remove global variable.
1282         (handler): Call raise instead of kill (getpid(), ...).
1283         (collect_wait): Add pex parameter.  Change all callers.  Use
1284         pex_get_status rather than pwait.
1285         (do_wait): Add pex parameter.  Change all callers.
1286         (collect_execute): Return struct pex_obj * rather than void.  Use
1287         pex routines rather than pexecute.
1288         (fork_execute): Get pex_obj from collect_execute, and pass it to
1289         do_wait.
1290         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1291         Only declare quit_handler if SIGQUIT is defined.
1292         (scan_libraries): Likewise.
1293         * collect2.h (collect_execute): Update declaration.
1294         (collect_wait): Update declaration.
1295         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
1296         pass it to collect_wait.
1297
1298 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
1299
1300         PR c/20672
1301         * c-parser.c (c_parser_compound_statement_nostart): Give error
1302         message for EOF instead of just setting parser->error.
1303
1304 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
1305
1306         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
1307         (slpeel_update_phi_nodes_for_guard1): New function.
1308         (slpeel_update_phi_nodes_for_guard2): New function.
1309         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
1310         of slpeel_update_phi_nodes_for_guard.
1311         (vectorize_loops): Remove call to loop_closed_rewrite.
1312         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
1313         assertion.
1314
1315 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
1316
1317         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
1318         (TARGET_LITTLE_ENDIAN): New macro.
1319         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
1320         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
1321         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
1322         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
1323         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
1324         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
1325         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
1326         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
1327         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
1328         (TARGET_OPTIONS): Delete.
1329         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
1330         (CACHE_FLUSH_TRAP): Turn into an integer.
1331         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
1332         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
1333         -mflush-trap is in use.
1334         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
1335         (m32r_cache_flush_trap_string): Delete.
1336         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
1337         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
1338         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
1339         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1340         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
1341         -mmodel= and -msdata= handling from...
1342         (m32r_init): ...here.
1343         * config/m32r/m32r.opt: New file.
1344
1345 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
1346
1347         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
1348         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
1349         * tree-vect-analyze.c (vect_object_analysis): additional parm
1350         pass back a "struct ptr_info_def *" with the points-to info.
1351         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
1352         statement using info returned from vect_object_analysis.
1353         * tree-vect-transform.c (update_vuses_to_preheader): New function.
1354         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
1355         for virtual uses and defs when creating a replacement vector
1356         reference.  Call duplicate_ssa_name_ptr_info to define points-to
1357         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
1358         (vectorizable_store): copy_virtual_operands and update
1359         definition statements.
1360         (vectorizable_load): copy_virtual_operands.  Remove call to
1361         mark_call_clobbered_vars_to_rename for call to "const" builtin.
1362         * tree-vectorizer.c (vectorize_loops): Remove calls to
1363         rewrite_into_ssa and bitmap_clear (vars_to_rename).
1364         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
1365         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
1366         define macro STMT_VINFO_PTR_INFO for use in accessing.
1367         * tree.h add export of duplicate_ssa_name_ptr_info.
1368         * rs6000.c (altivec_init_builtins): Declare builtin function
1369         __builtin_altivec_mask_for_load to be "const".
1370
1371 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR middle-end/20622
1374         * cgraph.h (struct cgraph_varpool_node): Add alias field.
1375         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
1376         assemble_variable on aliases.
1377         * varasm.c (assemble_alias): Set node->alias.
1378         * toplev.c (wrapup_global_declarations): Don't call
1379         rest_of_decl_compilation on aliases again.
1380
1381 2005-03-29  Paul Brook  <paul@codesourcery.com>
1382
1383         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
1384         * config/arm/arm.c (arm_dbx_register_number): New function.
1385         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
1386
1387 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
1388
1389         PR middle-end/20263
1390         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
1391         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
1392
1393 2005-03-29  Dale Johannesen <dalej@apple.com>
1394
1395         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
1396         $(TREE_H) and $(COVERAGE_H).
1397         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
1398         * opts.c (common_handle_option): Enable tree-based value transforms.
1399         * toplev.c (process_options): Ditto.
1400         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
1401         refers to references to this type.
1402         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
1403         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
1404         for may_be_more, may_be_less.
1405         (rtl_gen_pow2_profiler): Adjust.
1406         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
1407         (rtl_gen_one_value_profiler): Adjust.
1408         (rtl_gen_const_delta_profiler): Adjust.
1409         * tree-profile.c (tree_gen_interval_profiler): Implement.
1410         (tree_gen_pow2_profiler): Ditto.
1411         (tree_gen_one_value_profiler): Ditto.
1412         (tree_profiling): New.
1413         (pass_tree_profile): Reference it.
1414         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
1415         tree.h, gcov-io.h.
1416         (insn_divmod_values_to_profile): Rename to
1417         rtl_divmod_values_to_profile. Adjust.
1418         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
1419         (insn_prefetch_values_to_profile): Adjust.
1420         (rtl_value_profile_transformations): Adjust.
1421         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
1422         (gen_mod_pow2): Rename to rtl_mod_pow2.
1423         (gen_mod_subtract): Rename to rtl_mod_subtract.
1424         (divmod_fixed_value_transform): Rename to
1425         rtl_divmod_fixed_value_transform.
1426         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
1427         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
1428         (rtl_find_values_to_profile): Adjust.
1429         (tree_value_profile_transformations): Implement.
1430         (tree_divmod_values_to_profile): New.
1431         (tree_values_to_profile): New.
1432         (tree_divmod_fixed_value): New.
1433         (tree_mod_pow2): New.
1434         (tree_mod_subtract): New.
1435         (tree_divmod_fixed_value_transform): New.
1436         (tree_mod_pow2_value_transform): New.
1437         (tree_mod_subtract_transform): New.
1438         (tree_find_values_to_profile): Implement.
1439         * profile.c (instrument_values):  Free histograms.
1440         (compute_value_histograms): Adjust. Implement tree version.
1441
1442 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
1443
1444         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
1445         * config/i386/i386.c (output_fix_trunc): Add new round_mode
1446         variable.  Output "fldcw" depending on round_mode.
1447         * config/i386/i386.md (UNSPEC_FIST): New.
1448         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
1449         New isns patterns to implement lrint and llrint built-ins as x87
1450         intrinsic function.
1451         (fistdi2, fist<mode>2 splitters): New splitters.
1452         (lrint<mode>2): New expanders.
1453
1454 2005-03-28  Ian Lance Taylor  <ian@airs.com>
1455
1456         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
1457         0 when calling final_scan_insn.
1458
1459 2005-03-28  Jan Hubicka  <jh@suse.cz>
1460
1461         PR middle-end/20635
1462         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
1463         as needed.
1464
1465         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
1466         types where possible.
1467
1468 2005-03-26  Per Bothner  <per@bothner.com>
1469
1470         Make -f[no-]show-column also control non-cpp diagnostics.
1471         * c.opt (fshow-column): Move option from here ...
1472         * common.opt (fshow-column): ... to here.
1473         * diagnostic.c (diagnostic_build_prefix): Only print column number
1474         if flag_show_column.
1475
1476 2005-03-27  Steven Bosscher  <stevenb@suse.de>
1477
1478         * vax-protos.h (vax_output_int_move, vax_output_int_add,
1479         vax_output_conditional_branch): New prototypes.
1480         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
1481         extracted from vax.md mov and add patterns.
1482         (vax_output_conditional_branch): New function to output conditional
1483         branch instructions.
1484         * vax.md: Use mode macros for arithmetic and mov patterns.
1485         Use code macros for the jump patterns.
1486
1487 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1488
1489         * Makefile.in (libbackend.o): Depend on version files;
1490         add custom generation command.
1491
1492 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1493
1494         PR target/20636
1495         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
1496         sure that we have a REG before getting its REGNO.
1497
1498 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1499
1500         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
1501         * builtins.def (BUILT_IN_STRNDUP): New.
1502
1503 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
1504
1505         PR tree-optimization/20470
1506         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
1507         ABS(x-y).
1508
1509 2005-03-25  Mike Stump  <mrs@apple.com>
1510
1511         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
1512         sized objects.
1513
1514 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
1515
1516         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
1517         Use our own structure definitions.
1518
1519         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
1520         (fix_truncdfsi2): Allow registers or memory as destination.
1521         When TARGET_PPC_GFXOPT, generate simplified pattern.
1522         (fix_truncdfsi2_internal): Use define_insn_and_split.
1523         (fix_truncdfsi2_internal_gfxopt): New.
1524         (fctiwz): Don't confuse register allocation by giving it no choices.
1525         (stfiwx): New.
1526         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
1527         (EXTRA_MEMORY_CONSTRAINT): Likewise.
1528         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
1529         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
1530
1531 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1532
1533         * dominance.c (free_dominance_info): Speed up by freeing et
1534         data structures without maintaining other nodes.
1535         * et-forest.c (et_free_tree_force): New.
1536         * et-forest.h: Add a prototype for et_free_tree_force.
1537
1538         * tree.c (get_set_constructor_bits,
1539         get_set_constructor_bytes): Remove.
1540         * tree.h: Remove the corresponding prototypes.
1541
1542 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1543
1544         PR target/15491
1545         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
1546         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
1547         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
1548         PRE_DEC, NEG and NOT.
1549
1550 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1551
1552         * fold-const.c: Convert uses of fold (build (...)) to
1553         fold_buildN.
1554
1555 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
1556
1557         PR rtl-optimization/20249
1558         * cse.c (insert_regs): Do not record equivalence of registers in
1559         different modes.
1560
1561 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
1562
1563         * emit-rtl.c (reverse_comparison): Remove.
1564         * rtl.h: Remove the corresponding prototype.
1565
1566 2005-03-24  James E Wilson  <wilson@specifixinc.com>
1567
1568         * doc/install.texi (--enable-altivec): Delete docs.
1569
1570 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
1571
1572         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
1573         SFmode and DFmode before reload when
1574         flag_unsafe_math_optimizations not enabled.
1575
1576 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
1577
1578         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
1579
1580         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
1581         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
1582
1583 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1584
1585         * configure.ac (enable-checking): Add 'runtime' option.
1586         * doc/install.texi (enable-checking): Document 'runtime' checking.
1587         * tsystem.h (gcc_assert, gcc_unreachable): Define.
1588         * config.in: Regenerated.
1589         * configure: Regenerated.
1590
1591 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
1592
1593         * optabs.h (enum optab_index): Remove OTI_llrint.
1594         (llrint_optab): Remove macro.
1595         * optabs.c (init_optabs): Remove llrint_optab initialization.
1596         * genopinit.c (optabs): Remove llrint_optab implementation.
1597         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
1598         using lrint_optab.
1599
1600 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
1601
1602         PR rtl-optimization/20532
1603         * simplify-rtx.c (simplify_binary_operation_1): Protect from
1604         overflow when adding coefficients for PLUS or MINUS.
1605         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
1606         two as multiplier.
1607
1608 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1609
1610         * langhooks.h (truthvalue_conversion): Remove.
1611         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1612         LANG_HOOKS_TRUTHVALUE_CONVERSION.
1613         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
1614         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
1615         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
1616
1617 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
1618
1619         * params.def: Fix a typo.
1620         * config/mips/mips.c: Follow the spelling convensions.
1621         * doc/invoke.texi: Fix typos.
1622
1623 2005-03-18  Dale Johannese  <dalej@apple.com>
1624
1625         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
1626
1627 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
1628
1629         Fix PR tree-optimization/20601
1630
1631         * tree-ssa-pre.c (insert_aux): Add missing condition to
1632         constification.
1633
1634 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1635
1636         * final.c (final_scan_insn): Don't remove no-op instructions.
1637         * reload1.c (reload): Remove simple no-op instructions even when
1638         not optimizing.
1639
1640 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
1641
1642         PR tree-optimization/20501
1643         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
1644         reporting that peeling for alignment is applied moved to...
1645         * (vect_analyze_data_refs_alignment): Here.
1646
1647 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1648
1649         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
1650
1651 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1652
1653         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
1654         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
1655
1656 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
1657
1658         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
1659         imply that this is called once, independent of asms in code.
1660         Adjust to now being pased output and input lists.  Mention helper
1661         function decl_overlaps_hard_reg_set_p.
1662         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
1663         hook_tree_tree_identity and to take three trees, returning third.
1664         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
1665         prototype.
1666         * stmt.c: include hard-reg-set.h before tree.h.
1667         (decl_overlaps_hard_reg_set_p): New function, broken out from...
1668         (decl_conflicts_with_clobbers_p): Call
1669         decl_overlaps_hard_reg_set_p.
1670         (expand_asm_operands): Pass output and input lists in call to
1671         targetm.md_asm_clobbers.
1672         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
1673         hook_tree_tree_tree_tree_3rd_identity.
1674         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
1675         parameters.
1676         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
1677         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
1678         parameters, first two unused.
1679         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
1680         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
1681         in constraint letters and MOF is not mentioned as a asm-declared
1682         register in neither of the input and output lists.
1683
1684 2005-03-23  DJ Delorie  <dj@redhat.com>
1685
1686         * optabs.c (expand_binop): Make sure the first subword's result
1687         gets stored.
1688
1689 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1690
1691         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
1692         Call c_common_truthvalue_conversion rather than
1693         lang_hooks.truthvalue_conversion.
1694         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
1695         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
1696         c-typeck.c.
1697         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
1698         c_common_truthvalue_conversion.
1699         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
1700         c_parser_conditional_expression, c_parser_binary_expression): Call
1701         c_objc_common_truthvalue_conversion.
1702         * c-typeck.c (build_unary_op): Call
1703         c_objc_common_truthvalue_conversion.
1704         (build_conditional_expr): Do not call
1705         lang_hooks.truthvalue_conversion.
1706         (build_binary_op): Call c_common_truthvalue_conversion.
1707         (c_objc_common_truthvalue_conversion): Moved from
1708         c-objc-common.c.  Call default_function_array_conversion instead
1709         of default_conversion.
1710
1711 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1712
1713         * c-common.h (default_conversion): Remove.
1714         (perform_integral_promotions): Add.
1715         * c-tree.h (default_conversion): Add.
1716         * c-typeck.c (perform_integral_promotions): New, split out from
1717         default_conversion.
1718         * c-common.c (check_case_value): Use perform_integral_promotions,
1719         not default_conversion.
1720         (c_add_case_label): Don't continue processing case label after
1721         found to be pointer.
1722
1723 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
1724
1725         * gcc.c (do_spec_1): Do not add a -L path for a directory in
1726         the prefix list if we have already added a multilib directory
1727         based on that path.
1728         (main): Do not add MD_EXEC_PREFIX to the list of directories to
1729         search with -L.
1730
1731 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1732
1733         * reload1.c (indirect_symref_ok, reload_obstack): Make them
1734         static.
1735         * reload.h: Remove the prototype for indirect_symref_ok.
1736
1737         * reload1.c (indirect_symref_ok): Make it global.
1738         * reload.h: Add a prototype for indirect_symref_ok.
1739
1740 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1741
1742         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
1743         ashlhi3 expander.
1744
1745 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1746
1747         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
1748
1749 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
1750
1751         * c-opts.c (c_common_parse_file): Only start/end main source file
1752         if debug hooks says the writer wants it.
1753         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
1754         member.
1755         (xcoff_debug_hooks): Ditto.
1756         * debug.c (do_nothing_hooks): Ditto.
1757         * debug.h (gcc_debug_hooks): Ditto.
1758         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
1759         * sdbout.c (sdb_debug_hooks): Ditto.
1760         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
1761
1762 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
1763
1764         * doc/extend.texi: Deprecate C++ min/max operators.
1765
1766 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
1767
1768         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
1769         artificial original candidates.
1770
1771 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
1772             Jan Hubicka  <jh@suse.cz>
1773             Steven Bosscher <stevenb@suse.de>
1774
1775         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
1776         call cost based on argument sizes.
1777         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
1778         inlining.
1779         * params.def: (max-inline-inssn-single): Set to 450.
1780         (max-inline-insns-auto): Set to 90.
1781         (max-inline-insns-recursive): Set to 450
1782         (max-inline-insns-recursive-auto): Set to 450.
1783         (large-function-insns): Set to 2700.
1784         (inline-call-cost): New parameter.
1785         * tree-inline.c (estimate_move_cost): New function.
1786         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
1787         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
1788         based on arguments.
1789         * tree-inline.h (estimate_move_cost): Declare.
1790         * invoke.texi: (max-inline-inssn-single): Change default to 450.
1791         (max-inline-insns-auto): Change default to 90.
1792         (max-inline-insns-recursive): Change default to 450
1793         (max-inline-insns-recursive-auto): Change default to 450.
1794         (large-function-insns): Change default to 2700.
1795         (inline-call-cost): Document new parameter.
1796
1797 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1798
1799         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
1800         (TARGET_DEFAULT): Delete.
1801         * config/i860/i860.opt: New file.
1802
1803 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1804
1805         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
1806         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1807         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1808         (frv_sched_lookahead): Delete.
1809         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
1810         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
1811         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
1812         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
1813         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
1814         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
1815         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
1816         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
1817         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
1818         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
1819         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
1820         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
1821         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
1822         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
1823         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
1824         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
1825         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
1826         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
1827         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
1828         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
1829         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
1830         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
1831         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
1832         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1833         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1834         (frv_sched_lookahead): Delete.
1835         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
1836         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1837         (frv_handle_option): New function.  Move -mcpu= handling from...
1838         (frv_override_options): ...here.  Remove handling of other
1839         TARGET_OPTIONS.
1840         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
1841         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
1842         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
1843         and TARGET_NO_MULTI_CE.
1844         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
1845         !TARGET_VLIW_BRANCH.
1846         * config/frv/frv.opt: New file.
1847
1848 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1849
1850         * fold-const.c (fold_ternary): Take decomposed arguments of
1851         CALL_EXPR.
1852         (fold): Update a call to fold_ternary.
1853
1854         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
1855         * tree.h: Add corresponding prototypes.
1856
1857 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR target/20561
1860         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
1861         between jump table and its label.
1862         * final.c (shorten_branches): Handle notes in between ADDR_VEC
1863         resp. ADDR_DIFF_VEC and the label preceeding it.
1864         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
1865         is emitted in the right section.
1866
1867 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1868
1869         * fold-const.c (fold_unary, fold_binary): Update comments
1870         about arguments.
1871
1872 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
1873
1874         PR rtl-optimization/20527
1875         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
1876         REG_INC note, test that the register also isn't mentioned in PRED
1877         or SUCC.
1878
1879 2005-03-22  Ben Elliston  <bje@au.ibm.com>
1880
1881         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
1882         and definition.
1883
1884 2005-03-21  Mike Stump  <mrs@apple.com>
1885
1886         * varasm.c (default_assemble_visibility): Remove extra ().
1887
1888 2005-03-21  Roger Sayle  <roger@eyesopen.com>
1889
1890         PR middle-end/20557
1891         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
1892         to determine whether a block can be duplicated, rather than test
1893         whether the block contains noncopyable insns ourselves.
1894
1895 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1896
1897         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
1898         predicates.
1899
1900 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1901
1902         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
1903
1904 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1905
1906         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
1907         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
1908         * config/fr30/fr30.opt: New file.
1909
1910 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
1911
1912         Fix PR tree-optimization/20542
1913
1914         * tree-flow-inline.h (overlap_subvar): Move to here.
1915         * tree-ssa-operands.c: From here.
1916         * tree-flow.h (overlap_subvar): Declare.
1917         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
1918         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
1919         for variables with subvars.
1920
1921 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
1922
1923         PR middle-end/20177
1924         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
1925         * modulo-sched.c (const_iteration_count): Return on NULL
1926         pre-header.
1927         (print_node_sched_params): Return on NULL dump_file.
1928         (generate_reg_moves): Handle reg-anti dependencies and disregard
1929         closing branch when generating register moves.
1930         (sms_schedule): Mark the SMSed block dirty.
1931         * passes.c (rest_of_handle_sms): Call update_life_info for all
1932         basic-blocks.
1933         * testsuite/gcc.dg/20050321-1.c: New test.
1934
1935 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1936
1937         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
1938         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
1939         movqi_internal): Likewise.
1940
1941 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1942
1943         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
1944         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
1945         xtensa_b4const): Delete prototypes.
1946         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
1947         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
1948         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
1949         xtensa_extra_constraint): New prototypes.
1950         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1951         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1952         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1953         move_operand, const_float_1_operand, fpmem_offset_operand,
1954         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
1955         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
1956         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
1957         argument type to HOST_WIDE_INT.
1958         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
1959         xtensa_mask_immediate): Likewise.
1960         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
1961         Likewise.  Also make these functions static.
1962         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
1963         (xtensa_const_ok_for_letter_p): New.
1964         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1965         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1966         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1967         move_operand, const_float_1_operand, fpmem_offset_operand,
1968         branch_operator, ubranch_operator, boolean_operator): Move to
1969         predicates.md.
1970         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
1971         (xtensa_mem_offset): Change return type to bool.
1972         (xtensa_extra_constraint): New.
1973         (gen_int_relational): Update type of const_range_p function pointer.
1974         Use xtensa_b4const_or_zero.
1975         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
1976         xtensa_const_ok_for_letter_p.  Update comments.
1977         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
1978         (PREDICATE_CODES): Delete.
1979         * config/xtensa/xtensa.md: Include predicates.md.
1980         * config/xtensa/predicates.md: New file.
1981
1982 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1983
1984         * config/v850/v850-protos.h: Remove the prototypes for
1985         reg_or_int9_operand, reg_or_const_operand,
1986         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
1987         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
1988         movsi_source_operand, power_of_two_operand,
1989         not_power_of_two_operand, special_symbolref_operand,
1990         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
1991         register_is_ok_for_epilogue.
1992         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
1993         reg_or_int9_operand, reg_or_const_operand,
1994         call_address_operand, special_symbolref_operand,
1995         movsi_source_operand, power_of_two_operand,
1996         not_power_of_two_operand, register_is_ok_for_epilogue,
1997         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
1998         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
1999         predicates.md.
2000         * config/v850/v850.h (PREDICATE_CODES): Remove.
2001         * config/v850/v850.md: Include predicates.md.
2002         * config/v850/predicates.md: New.
2003
2004 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2005
2006         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2007         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2008         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2009         (itoolsdir, itoolsdatadir): Move definition above new first use.
2010         (install-itoolsdirs): New rule.
2011         (install-mkheaders): Depend on install-itoolsdirs, not
2012         install-include-dir.
2013
2014 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2015
2016         * tree-into-ssa.c: Remove obsolete comments.
2017
2018 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2019
2020         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2021         unrolling if -fpeel-loops is specified, too.
2022         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2023         Remove superfluous check for flag_unroll_loops.
2024
2025 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2026
2027         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2028         (lrint_optab, llrint_optab): Define corresponding macros.
2029         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2030         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2031         pattern and llrint_optab using llrintdi2 patterns.
2032         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2033         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2034         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2035         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2036         flag_unsafe_math_optimizations is set.
2037
2038 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2039
2040         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2041         simplify_logical, if_then_else_cond, known_cond,
2042         simplify_comparison): Adjust calls to reverse_comparison.
2043         Don't use combine_reversed_comparison_code).
2044         (combine_reversed_comparison_code): Remove.
2045         (reversed_comparison): Using reversed_comparison_code, move it...
2046         * jump.c (reversed_comparison): ... here.
2047         * rtl.h (reversed_comparison): Add prototype.
2048
2049 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2050
2051         * builtins.c (fold_builtin): Take decomposed arguments of
2052         CALL_EXPR.
2053         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2054         * gimplify.c (gimplify_call_expr): Likewise.
2055         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2056         * tree.h: Update the prototype of fold_builtin.
2057
2058 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2059
2060         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2061         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2062         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2063         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2064         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2065
2066 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2067
2068         * builtins.c (fold_builtin_1): Take decomposed arguments of
2069         CALL_EXPR.
2070         (fold_builtin): Update a call to fold_builtin_1.
2071
2072 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2073
2074         PR other/20564
2075         * gcov.c (output_lines): Only output function block summary when
2076         outputting branch information.
2077         * doc/gcov.texi: Document format of preamble and additional block
2078         information lines.
2079
2080 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2081
2082         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2083         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2084         the defaults false if BITS_PER_UNIT != 8.
2085         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2086         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2087         than BITS_PER_UNIT != 8.
2088         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2089         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2090         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2091         #undefs.
2092         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2093         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2094
2095 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2096
2097         PR middle-end/20539
2098         * fold-const.c (fold_binary): Fix type mismatch between
2099         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2100         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2101         for non-truth-valued expressions.
2102
2103         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2104         and FUNCTION_DECL in the main switch.
2105         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2106         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2107         we also need to convert their operands to match.
2108         <TRUTH_NOT_EXPR>: Likewise.
2109
2110 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2111
2112         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2113         diagnostic without checking whether an lvalue.
2114         * c-common.h (lvalue_p): Remove.
2115         (enum lvalue_use): Update comment.
2116         (lvalue_or_else): Replace by lvalue_error.
2117         * c-typeck.c (lvalue_p): Make static.
2118         (lvalue_or_else): New.  Call lvalue_error.
2119
2120 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2121
2122         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2123         (function_arg_advance): Use rs6000_parm_start.
2124         (function_arg, rs6000_arg_partial_bytes): Likewise.
2125
2126 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2127
2128         * c-common.c (check_case_value): Adjust comment about stripping
2129         NOPs.
2130         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2131         * c-typeck.c (default_conversion, convert_arguments,
2132         build_modify_expr, convert_for_assignment, store_init_value,
2133         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2134         manually.  Remove inaccurate comments.
2135
2136 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2137             Joseph S. Myers  <joseph@codesourcery.com>
2138
2139         * varasm.c (do_assemble_alias): Restore comment describing function.
2140         Annotate the target parameter as potentially unused.
2141
2142 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2143
2144         PR target/18551
2145         * config/avr/avr.c (avr_output_function_prologue): Do not use
2146         current_function_name() in a label, use a local label instead.
2147
2148 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2149
2150         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2151         flag_finite_math_only, not flag_unsafe_math_optimizations.
2152
2153 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2154
2155         * builtins.c (fold_builtin_1): Update a call to
2156         targetm.fold_builtin.
2157         * hooks.c (hook_tree_tree_bool_null): Rename to
2158         hook_tree_tree_tree_bool_null.  Take one more argument of type
2159         tree.
2160         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2161         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2162         hook_tree_tree_tree_bool_null.
2163         * target.h (gcc_target): Update the prototype of fold_builtin.
2164         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2165         arguments of CALL_EXPR.
2166         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2167         new prototype.
2168
2169 2005-03-20  Jan Hubicka  <jh@suse.cz>
2170
2171         * cgraph.h (cgraph_node): Add prev_clone pointer.
2172         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2173         (cgraph_clone_node): Produce doubly linked chain.
2174
2175 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2176
2177         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2178         get_nonnull_operand, handle_sentinel_attribute,
2179         check_function_arguments_recurse): Do not strip NOPS from
2180         INTEGER_CSTs.
2181         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2182         Likewise.
2183         * c-format.c (get_constant): Likewise.
2184         * c-parser.c (c_parser_postfix_expression): Likewise.
2185         * c-typeck.c (set_init_index): Likewise.
2186         (convert_arguments): Don't check for NOP_EXPR containing integer
2187         constant.
2188
2189 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2190
2191         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2192         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2193         Take decomposed arguments of CALL_EXPR.
2194         (fold_builtin_1): Update calls to the functions mentioned
2195         above.
2196
2197 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2198
2199         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2200         width to have integer type.
2201         (build_enumerator): Require enumerator value to have integer type.
2202
2203 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2204
2205         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2206         to __builtin_inff.
2207
2208 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2209
2210         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2211         std=iso9899:199x): Correct descriptions.
2212
2213 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2214
2215         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2216         solaris2.1[0-9].
2217
2218 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2219
2220         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2221         of CALL_EXPR.
2222         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2223         fold_builtin_memcpy.
2224
2225         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2226         arguments of CALL_EXPR.
2227         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2228         fold_builtin_found, fold_builtin_1): Update calls to
2229         fold_trunc_transparent_mathfn.
2230
2231 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2232
2233         PR middle-end/20493
2234         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2235         function pointers on targets that require function pointer
2236         canonicalization.
2237         (fold_sign_changed_comparison): Likewise.
2238
2239 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2240
2241         * combine.c (try_combine): When changing the mode of a hard reg, make
2242         sure that doing so is valid.
2243
2244 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2245
2246         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2247         (TARGET_HANDLE_OPTION): Override default.
2248         (avr_handle_option): New function.
2249         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2250         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2251         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2252         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2253         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2254         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2255         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2256         (TARGET_OPTIONS): Delete.
2257         * config/avr/avr.opt: New file.
2258
2259 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2260
2261         * config/m32r/m32r-protos.h: Remove the prototypes for
2262         call_address_operand, symbolic_operand, seth_add3_operand,
2263         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2264         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2265         two_insn_const_operand, move_src_operand,
2266         move_double_src_operand, move_dest_operand,
2267         eqne_comparison_operator, signed_comparison_operator,
2268         large_insn_p, conditional_move_operand, carry_compare_operand,
2269         m32r_block_immediate_operand, extend_operand,
2270         reg_or_eq_int16_operand, int8_operand, and
2271         reg_or_zero_operand.
2272         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2273         seth_add3_operand, int8_operand, cmp_int16_operand,
2274         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2275         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2276         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2277         move_double_src_operand, move_dest_operand,
2278         eqne_comparison_operator, signed_comparison_operator,
2279         extend_operand, small_insn_p, large_insn_p,
2280         conditional_move_operand, carry_compare_operand,
2281         m32r_block_immediate_operand): Move to predicates.md.
2282         (MAX_MOVE_BYTES): Move to m32r.h.
2283         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2284         * config/m32r/m32r.md: Include predicates.md.
2285         * config/m32r/predicates.md: New.
2286
2287 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2288
2289         PR c++/19769
2290         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2291         origin.
2292
2293 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2294
2295         * config/mn10300/mn10300-protos.h: Remove the prototypes for
2296         call_address_operand, const_8bit_operand.
2297         * config/mn10300/mn10300.c (call_address_operand,
2298         const_8bit_operand, const_1f_operand): Move to predicates.md.
2299         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
2300         * config/mn10300/mn10300.md: Include predicates.md.
2301         * config/mn10300/predicates.md: New.
2302
2303 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
2304
2305         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
2306         declarations in diagnostics and %E for identifiers, not %s.
2307
2308 2005-03-18  Jan Hubicka  <jh@suse.cz>
2309             Dale Johannesen  <dalej@apple.com>
2310
2311         * basic-block.h (scale_bbs_frequencies_int,
2312         scale_bbs_frequencies_gcov_type): Declare.
2313         * cfg.c (RDIV): New macro.
2314         (update_bb_frequency_for_threading): Fix.
2315         * basic-block.h (scale_bbs_frequencies_int,
2316         scale_bbs_frequencies_gcov_type): New.
2317         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
2318         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
2319         scale_bbs_frequencies_int.
2320         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
2321
2322 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2323
2324         * config/m32r/m32r-protos.h: Remove the prototypes for
2325         call_address_operand, symbolic_operand, seth_add3_operand,
2326         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2327         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2328         two_insn_const_operand, move_src_operand,
2329         move_double_src_operand, move_dest_operand,
2330         eqne_comparison_operator, signed_comparison_operator,
2331         large_insn_p, conditional_move_operand, carry_compare_operand,
2332         m32r_block_immediate_operand, extend_operand,
2333         reg_or_eq_int16_operand, int8_operand, and
2334         reg_or_zero_operand.
2335         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2336         seth_add3_operand, int8_operand, cmp_int16_operand,
2337         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2338         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2339         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2340         move_double_src_operand, move_dest_operand,
2341         eqne_comparison_operator, signed_comparison_operator,
2342         extend_operand, small_insn_p, large_insn_p,
2343         conditional_move_operand, carry_compare_operand,
2344         m32r_block_immediate_operand): Move to predicates.md.
2345         (MAX_MOVE_BYTES): Move to m32r.h.
2346         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2347         * config/m32r/m32r.md: Include predicates.md.
2348         * config/m32r/predicates.md: New.
2349
2350         * config/pa/pa-protos.h: Add prototypes for magic_milli and
2351         shadd_constant_p.
2352         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
2353         symbolic_operand, symbolic_memory_operand,
2354         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
2355         indexed_memory_operand, move_dest_operand, move_src_operand,
2356         prefetch_cc_operand, prefetch_nocc_operand,
2357         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
2358         arith_operand, arith11_operand, pre_cint_operand,
2359         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
2360         ireg_operand, int5_operand, uint5_operand, int11_operand,
2361         uint32_operand, arith5_operand, and_operand, ior_operand,
2362         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
2363         pc_or_label_operand, div_operand, plus_xor_ior_operator,
2364         shadd_operand, movb_comparison_operator,
2365         cmpib_comparison_operator): Move to predicates.md.
2366         (magic_milli, shadd_constant_p): Make it extern.
2367         * config/pa/pa.h (PREDICATE_CODES): Remove.
2368         * config/pa/pa.md: Include predicates.md.
2369         * config/pa/predicates.md: New.
2370
2371         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
2372         predicate.
2373
2374 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2375
2376         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
2377         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2378         config/alpha/freebsd.h, config/alpha/linux.h,
2379         config/alpha/netbsd.h, config/alpha/osf5.h,
2380         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
2381         config/h8300/h8300-protos.h, config/h8300/h8300.c,
2382         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
2383         doc/cppopts.texi: Update copyright.
2384
2385 2005-03-18  Jan Hubicka  <jh@suse.cz>
2386
2387         PR middle-end/20225
2388         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
2389         too late.
2390         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
2391         called too late.
2392
2393 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2394
2395         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
2396         VEC_safe_push.
2397
2398 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
2399
2400         * combine.c (gen_binary): Remove.
2401         (known_cond, simplify_shift_const, find_split_point,
2402         combine_simplify_rtx, simplify_if_then_else, simplify_set,
2403         simplify_logical, expand_field_assignment, extract_left_shift,
2404         force_to_mode, if_then_else_cond, apply_distributive_law,
2405         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
2406         simplify_comparison, reversed_comparison): Replace with
2407         simplify_gen_binary, simplify_gen_relational or
2408         distribute_and_simplify_rtx.
2409         (distribute_and_simplify_rtx): New function.
2410
2411 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2412             Paolo Bonzini  <gcc.gnu.org>
2413
2414         * calls.c (setjmp_call_p, special_function_p): Update comments
2415         at the head of the functions.
2416
2417 2005-03-18  Jan Hubicka  <jh@suse.cz>
2418
2419         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
2420
2421         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
2422         function body should be released; do not proactively release function
2423         bodies in non-unit-at-a-time mode.
2424
2425 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
2426
2427         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
2428         mno-fp-ret-in-387 multilib variants.
2429
2430 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
2431
2432         * common.opt (m): Remove.
2433         * opts.c (handle_option): Pass 'm' options to set_target_switch if
2434         table lookup fails.
2435         (common_handle_option): Remove OPT_m case.
2436
2437 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2438
2439         * builtins.c (fold_builtin_bitop): Take decomposed arguments
2440         of CALL_EXPR.
2441         (fold_builtin_1): Update a call to fold_builtin_bitop.
2442
2443         * builtins.c (fold_builtin_signbit): Take decomposed arguments
2444         of CALL_EXPR.
2445         (fold_builtin_1): Update a call to fold_builtin_signbit.
2446
2447 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
2448
2449         PR tree-optimization/20474
2450         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
2451         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
2452
2453 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2454
2455         * config/h8300/h8300-protos.h: Remove prototypes for
2456         general_operand_src, general_operand_dst, single_one_operand,
2457         single_zero_operand, call_insn_operand,
2458         two_insn_adds_subs_operand, small_call_insn_operand,
2459         jump_address_operand, bit_operand, bit_memory_operand,
2460         stack_pointer_operand, const_int_gt_2_operand,
2461         const_int_ge_8_operand, const_int_qi_operand,
2462         const_int_hi_operand, incdec_operand, bit_operator,
2463         nshift_operator, eqne_operator, gtle_operator,
2464         gtuleu_operator, iorxor_operator.
2465         Add prototypes for h8sx_shift_type h8sx_classify_shift and
2466         h8300_ldm_stm_parallel.
2467         * config/h8300/h8300.c (h8sx_shift_type,): Move to
2468         h8300-protos.h.
2469         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
2470         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
2471         (h8300_ldm_stm_parallel): Make it extern.
2472         (h8300_ldm_parallel, h8300_stm_parallel,
2473         h8300_return_parallel, general_operand_src,
2474         general_operand_dst, h8300_dst_operand, h8300_src_operand,
2475         nibble_operand, reg_or_nibble_operand, single_one_operand,
2476         single_zero_operand, call_insn_operand,
2477         two_insn_adds_subs_operand, small_call_insn_operand,
2478         jump_address_operand, bit_operand, bit_memory_operand,
2479         stack_pointer_operand, const_int_gt_2_operand,
2480         const_int_ge_8_operand, const_int_qi_operand,
2481         const_int_hi_operand, incdec_operand, eqne_operator,
2482         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
2483         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
2484         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
2485         nshift_operator): Move to predicates.md.
2486         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
2487         * config/h8300/h8300.md: Include predicates.md.
2488         * config/h8300/predicates.md: New.
2489
2490 2005-03-17  Richard Henderson  <rth@redhat.com>
2491
2492         * config.gcc (ia64*-*-hpux*): Add extra_options.
2493         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
2494         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2495         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
2496         (ia64_tls_size_string, ia64_tune_string): Remove.
2497         (ia64_tune): Init to PROCESSOR_ITANIUM2.
2498         (TARGET_DEFAULT_TARGET_FLAGS): New.
2499         (TARGET_HANDLE_OPTION): New.
2500         (ia64_override_options): Move options parsing ...
2501         (ia64_handle_option): ... here.  New.
2502         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
2503         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
2504         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
2505         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
2506         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
2507         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
2508         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
2509         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
2510         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
2511         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
2512         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
2513         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
2514         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
2515         TARGET_EARLY_STOP_BITS): Remove.
2516         (TARGET_ILP32): Default false.
2517         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
2518         (enum ia64_inline_type): New.
2519         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2520         * config/ia64/ia64.md: Update for new definitions of
2521         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
2522         * config/ia64/ia64.opt: New file.
2523         * config/ia64/ilp32.opt: New file.
2524
2525 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2526
2527         PR target/18380
2528         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
2529
2530 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2531
2532         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
2533         instead of MASK_H8300S.
2534         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
2535         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
2536         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
2537         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
2538         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
2539         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
2540         TARGET_SWITCHES): Remove.
2541         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
2542         TARGET_H8300SX.
2543         * config/h8300/h8300.opt: New.
2544
2545         * config/alpha/alpha.opt, config/arc/arc.opt,
2546         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
2547         notices.
2548
2549 2005-03-17  Ian Lance Taylor  <ian@airs.com>
2550
2551         * gmon.c: Remove.
2552
2553 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
2554
2555         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
2556         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
2557         (TARGET_HANDLE_OPTION): Override default.
2558         (arc_handle_option): New function.
2559         (arc_init): Remove code to set arch_cpu_string.
2560         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
2561         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
2562         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
2563         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
2564         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
2565         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
2566         (arc_rodata_string, TARGET_OPTIONS): Delete.
2567         * config/arc/arc.opt: New file.
2568
2569 2005-03-17  Richard Henderson  <rth@redhat.com>
2570
2571         * doc/extend.texi (Weak Pragmas): New section.
2572         (attribute alias): Clarify that target must be in the same
2573         translation unit.
2574
2575 2005-03-17  Richard Henderson  <rth@redhat.com>
2576
2577         * config/alpha/alpha.opt: New file.
2578         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
2579         of alpha_cpu.
2580         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
2581         alpha_fprm_string, alpha_fptm_string): Make static.
2582         (alpha_tls_size_string): Remove.
2583         (alpha_handle_option): New.
2584         (override_options): Update for alpha_cpu/alpha_tune split.
2585         (alpha_file_start): Likewise.
2586         (TARGET_DEFAULT_TARGET_FLAGS): New.
2587         (TARGET_HANDLE_OPTION): New.
2588         * config/alpha/alpha.h (alpha_tune): Declare.
2589         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
2590         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
2591         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
2592         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
2593         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
2594         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
2595         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
2596         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
2597         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
2598         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
2599         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
2600         (TARGET_DEFAULT): Remove MASK_FP.
2601         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
2602         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
2603         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
2604         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
2605         alpha_tls_size_string): Remove.
2606         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
2607         (attribute tune): Rename from attribute cpu.
2608         * config/alpha/ev4.md: Update to match.
2609         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
2610         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
2611         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
2612         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
2613         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
2614         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
2615
2616 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
2617
2618         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
2619         and return without creating new state if before_nops_num is nonzero.
2620         * config/ia64/ia64.md (first_insn): New attribute.
2621         (alloc): Set it to yes.
2622
2623 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2624
2625         * tree-vectorizer.c (new_vec_stmt_info): Initialize
2626         STMT_VINFO_SUBVARS to NULL.
2627         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2628
2629 2005-03-16 Dale Johannesen  <dalej@apple.com>
2630
2631         * rtlanal.c (find_first_parameter_load):  Rewrite to
2632         return actual first param load or the call if none,
2633         instead of first in block, when not all loads exist.
2634
2635 2005-03-16  Roger Sayle  <roger@eyesopen.com>
2636
2637         * optabs.c (expand_copysign_absneg): Make static.
2638         * optabs.h (expand_copysign_absneg): Delete prototype.
2639         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
2640
2641 2005-03-16  Richard Henderson  <rth@redhat.com>
2642
2643         PR middle-end/15700
2644         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
2645         (alias_pairs): Rename from output_defs.
2646         (find_decl_and_mark_needed): Split out from assemble_alias.
2647         (do_assemble_alias): New.
2648         (assemble_output_def): Remove.
2649         (finish_aliases_1, finish_aliases_2): New.
2650         (process_pending_assemble_output_defs): Remove.
2651         (assemble_alias): Defer aliases for which we don't yet have a
2652         non-external decl for the target symbol.
2653         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
2654         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
2655         * toplev.c (compile_file): Use finish_aliases_2 instead of
2656         process_pending_assemble_output_defs.
2657         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
2658         (process_pending_assemble_output_defs): Remove.
2659
2660 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2661
2662         Fix PR tree-optimization/20489
2663
2664         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
2665         for empty structures.
2666
2667 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2668
2669         Fix PR tree-optimization/20490
2670
2671         * tree-ssa-pre.c (create_expression_by_pieces): Use
2672         force_gimple_operand on result of fold.
2673
2674 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
2675
2676         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
2677         of closing parenthesis.
2678
2679 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
2680
2681         * builtins.c (expand_movstr): Update a call to
2682         fold_builtin_strcpy.
2683         (expand_builtin_strncpy): Update a call to
2684         fold_builtin_strncpy.
2685         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
2686         arguments of CALL_EXPR.
2687         (fold_builtin_1): Update calls to fold_builtin_strcpy and
2688         fold_builtin_strncpy.
2689         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2690         * tree.h: Update the prototypes of fold_builtin_strcpy and
2691         fold_builtin_strncpy.
2692
2693 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2694             Dorit Naishlos  <dorit@il.ibm.com>
2695
2696         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
2697         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
2698         error.
2699
2700 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2701
2702         * tree-inline.c (walk_type_fields, walk_tree,
2703         walk_tree_without_duplicates): Move from here...
2704         * tree.c: ...to here.
2705
2706 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
2707
2708         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
2709         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
2710         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2711         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
2712         (version): Define using $(BASEVER_c).
2713         (Makefile, config.status, build/gcov-iov.o): No longer depends on
2714         version.c.
2715         (version.o): Depend on version files; add custom generation command.
2716         (prefix.o): Define BASEVER on command line.
2717         (s-iov): Depend on version files; adjust command.
2718         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
2719         Add gcc-vers.texi.
2720         (gcc-vers.texi): New rule.
2721         (doc/%.info, doc/%.dvi): Add -I . to command line.
2722         (doc/gccinstall.dvi): Likewise.
2723         (PACKAGE): Delete.  All uses replaced with "gcc".
2724         * aclocal.m4: Do not include gcc-version.m4.
2725         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
2726         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
2727         Set is_release based on contents of DEV-PHASE.
2728         Set gcc_version based on contents of BASE-VER.
2729         Define WIN32_REGISTRY_KEY only if the user overrode the default.
2730         * config.in, configure: Regenerate.
2731         * gccbug.in: Determine version of GCC in use at runtime.
2732         * gcov-iov.c: Get version number and development phase from
2733         command line, not by including version.c.
2734         * intl.c: Replace all uses of PACKAGE with "gcc".
2735         * libada-mk.in: Delete unused "gcc_version" variable.
2736         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
2737         * version.c: (VERSUFFIX): New hook for redistributors; adjust
2738         commentary to match.
2739         (version_string): Put together from pieces.
2740         * config/alpha/x-vms: Do not use $(gcc_version).
2741         * config/i386/t-nwld: Likewise.
2742         * doc/include/gcc-common.texi: Include gcc-vers.texi for
2743         version-GCC and DEVELOPMENT.
2744
2745 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2746
2747         PR tree-optimization/17454
2748         * tree.c (tree_size): Add case for TREE_BINFO.
2749         * fold-const.c (fold_checksum_tree): Only clear the overloaded
2750         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
2751
2752 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2753
2754         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
2755         op1 whilst expanding the signed widenening multiply variant.
2756
2757 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
2758
2759         * toplev.c (display_target_options): Avoid unused variable warning if
2760         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
2761         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
2762         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
2763         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
2764         (mips_isa_info): New variable.
2765         (mips_parse_cpu): Remove the first argument and leave the caller
2766         to report errors.
2767         (TARGET_HANDLE_OPTION): Override default.
2768         (mips_handle_option): New function.  Move option validation code from...
2769         (override_options): ...here.  Update calls to mips_parse_cpu.
2770         * config/mips/mips.h (mips_arch_string, mips_tune_string)
2771         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
2772         (SUBTARGET_TARGET_OPTIONS): Delete.
2773         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
2774         (mno-flush-func, mtune=): New options.
2775
2776 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2777             Richard Henderson  <rth@redhat.com>
2778
2779         * real.c (c4x_single_format, c4x_extended_format): Provide values
2780         for signbit_ro for c4x's single and extended floating point formats.
2781         * optabs.c (expand_copysign): Use the floating point format's
2782         signbit_ro for expanding via expand_copysign_absneg, and it's
2783         signbit_rw field for expanding via expand_copysign_bit.
2784
2785 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
2786
2787         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
2788         known_alignment_for_access_p.
2789         (known_alignment_for_access_p): New.
2790         (do_peeling_for_alignment): Field made int instead of bool and renamed
2791         to peeling_for_alignment.
2792         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
2793         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
2794         functionality used to be in vect_analyze_operations.
2795         (vect_analyze_operations): Code to determine vectorization factor was
2796         moved to vect_determine_vectorization_factor.
2797         (vect_enhance_data_refs_alignment): Update to correct alignment when it
2798         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
2799         factor.
2800         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
2801         be part of vect_analyze_operations).
2802         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
2803         creating the guard condition, as the number of iterations may be
2804         constant.
2805         (slpeel_tree_peel_loop_to_edge): Use new name of
2806         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
2807         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
2808         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
2809         (vect_do_peeling_for_alignment): Use fold.
2810         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
2811
2812         (vect_update_inits_of_dr): Renamed to
2813         vect_update_init_of_dr.
2814         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
2815         (vectorizable_store): Fix assertion to use == instead of =.
2816
2817 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
2818
2819         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
2820         call_used_regs for wCG registers.
2821
2822 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
2823
2824         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2825         for non-offsettable memory references to cope with outstanding reload
2826         replacements, take 2.
2827
2828 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
2829
2830         PR target/18668
2831         * config/i386/i386.h (x86_fisttp): New.
2832         (TARGET_FISTTP): New macro.
2833         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
2834         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
2835         instruction when fisttp flag is set.
2836         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
2837
2838         * config/i386/i386.md (type attribute): Add fisttp.
2839         (unit attribute): Set to i387 for fisttp type.
2840         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
2841         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
2842         TARGET_FISTTP.
2843         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
2844         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
2845         macros.
2846         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
2847         patterns for TARGET_FISTTP.  Enable patterns for
2848         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
2849         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
2850         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
2851         implement fisttp x87 insn.
2852         (fix_trunc*_i387_fisttp splitters): New patterns.
2853         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
2854         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
2855         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
2856         clobber.
2857         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
2858         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
2859         Implement using mode macros. Disable patterns for TARGET_FISTTP.
2860         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
2861         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
2862         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
2863         Disable patterns for TARGET_FISTTP.
2864         (fix_trunc*_i387 splitters): Implement usign mode macros.
2865         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
2866         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
2867         (fix_trunx*_sse peephole2s): Implement using mode macros.
2868
2869 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
2870
2871         PR rtl-optimization/20291
2872         * combine.c (try_combine): If splitting fails, re-try with
2873         original combined pattern, i.e. before clobber stripping.
2874
2875 2005-03-14  Eric Christopher  <echristo@redhat.com>
2876
2877         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
2878         STACK_GROWS_DOWNWARD.
2879
2880 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2881
2882         * real.h (struct real_format): Split the signbit field into two
2883         two fields, signbit_ro and signbit_rw.
2884         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
2885         mips_double_format, ieee_extended_motorola_format,
2886         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
2887         ieee_extended_intel_128_format, ibm_extended_format,
2888         mips_extended_format, ieee_quad_format, mips_quad_format,
2889         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
2890         i370_double_format, c4x_single_format, c4x_extended_format,
2891         real_internal_format): Update initializers for new field.
2892         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
2893         real_format structure.
2894         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
2895         field of the real_format structure.
2896
2897 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
2898
2899         Fix PR tree-optimization/20458
2900
2901         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
2902         DECL_EXTERNAL on STRUCT_FIELD tags.
2903         (clear_call_clobbered): Ditto.
2904         * tree-ssa-operands.c (note_addressable): Make sure the original
2905         variable doesn't slip into the addressable list if we have
2906         subvars.
2907         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
2908         tags too.
2909
2910 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
2911
2912         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
2913         (-fwide-exec-charset): Likewise.
2914         (-finput-charset): Likewise.
2915         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
2916         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
2917         * c.opt (Wnormalized): New.
2918
2919 2005-03-14  Devang Patel  <dpatel@apple.com>
2920
2921         * doc/invoke.texi: Add reference to Visibility document.
2922
2923 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2924
2925         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
2926         MASK_SPLIT_ADDRESSES.
2927         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
2928         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
2929         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
2930         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
2931         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
2932         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
2933         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
2934         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
2935         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
2936         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
2937         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
2938         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
2939         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
2940         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
2941         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
2942         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
2943         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
2944         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
2945         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
2946         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
2947         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
2948         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
2949         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
2950         (TARGET_EXPLICIT_RELOCS): Delete.
2951         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
2952         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
2953         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2954         (override_options): Set MASK_LONG64 if -mint64 is given and no
2955         -mlongXX option is.  Complain about -mint64 -mlong32.
2956         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
2957         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
2958         * config/mips/mips.opt: New file.
2959
2960 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2961
2962         * config.gcc (extra_options): New variable for listing option files.
2963         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
2964         * configure.ac (extra_opt_files): New AC_SUBST variable.
2965         (tm_file_list, tm_include_list): Include options.h first.
2966         * configure: Regenerate.
2967         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
2968         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
2969         (s-options-h): New rule.
2970         (options.h): Depend on it.
2971         (TEXI_GCCINT_FILES): Add options.texi.
2972         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
2973         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
2974         * target.h (gcc_target): Add default_target_flags and handle_option.
2975         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
2976         (TARGET_HANDLE_OPTION): New macros.
2977         (TARGET_INITIALIZER): Include them.
2978         * opt-functions.awk (opt_args, nth_arg): New functions.
2979         (switch_flags): Handle the "Target" flag.
2980         (var_args): Delete.
2981         (var_name): Use opt_args and nth_arg.
2982         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
2983         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
2984         macros for the "Mask" and "InverseMask" options.
2985         * opts.h (cl_var_cond): New enum.
2986         (cl_option): Replace the "has_set_value" and "set_value" fields with
2987         "var_cond" and "var_value".
2988         (CL_TARGET): New macro.
2989         (option_enabled, print_filtered_help): Declare.
2990         (decode_options): Move definition.
2991         * opts.c (handle_option): Search for the original option before
2992         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
2993         var_cond and var_value fields.  Use targetm.handle_option to handle
2994         target options.
2995         (decode_options): Set target_flags to targetm.default_target_flags.
2996         (print_filtered_help): Make global.  Handle CL_TARGET.
2997         (option_enabled): New function.
2998         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
2999         (display_target_options, set_target_switch, print_switch_values)
3000         (default_pch_valid_p): Guard uses of target_switches with
3001         #ifdef TARGET_SWITCHES.  Also...
3002         (display_target_options): Display the CL_TARGET entries in cl_options.
3003         (set_target_option): Don't complain about the "" option when
3004         TARGET_SWITCHES is undefined.
3005         (print_switch_values): Use option_enabled.
3006         (default_pch_valid_p): Check cl_options[] when looking for something
3007         that has changed the value of target_flags.
3008         * c.opt: Remove documentation from top of file.
3009         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3010         * doc/sourecebuild.texi: Refer to the new options documentation
3011         instead of c.opt.  Document machine-specific .opt files.
3012         * doc/tm.texi (target_flags): Say that this variable is declared
3013         by options.h.
3014         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3015         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3016         an alternative.
3017         * doc/options.texi: New file.
3018
3019 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3020
3021         PR middle-end/18628
3022         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3023         register.
3024
3025 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3026
3027         PR c++/20280
3028         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3029         temporary variable of pointer type if an lvalues is required.
3030         (gimplify_modify_expr_rhs): Request an rvalue from it.
3031         (gimplify_expr): Pass fallback on.
3032
3033 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3034
3035         * cfgbuild.c: Update comments.
3036
3037 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3038
3039         PR rtl-optimization/17236
3040         * optabs.c (expand_doubleword_mult): New helper function split out
3041         from expand_binop.  Permute the order in which instructions are
3042         emitted to minimize the number of simultaneously live registers.
3043         (expand_binop): Call expand_doubleword_mult to synthesize a double
3044         word multiplication.
3045
3046 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3047
3048         * basic-block.h: Update the prototypes of cached_make_edge and
3049         rtl_make_eh_edge.
3050         * cfg.c (cached_make_edge): Take edge_cache representing one
3051         row of the adjacency matrix of edges.
3052         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3053         (make_edges): Initialize edge_cache to represent one row of
3054         the adjacency matrix of edges.
3055
3056 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3057
3058         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3059         New functions.
3060         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3061         Remove unused removed_phis variable.
3062         (conditional_replacement): Use build1/build2.
3063         (abs_replacement): Use last_and_only_stmt and build1/build2.
3064
3065 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3066
3067         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3068         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3069         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3070         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3071         * c-common.c (handle_novops_attribute): New function.
3072         (c_common_attribute_table): Add "no vops" entry.
3073         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3074         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3075         * tree-ssa-operands.c (get_call_expr_operands): Do not
3076         create virtual operands for calls with ECF_NOVOPS flag.
3077         * tree.h (DECL_IS_NOVOPS): New macro.
3078         (struct tree_decl): Add novops_flag.
3079         (ECF_NOVOPS): New constant.
3080
3081 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3082
3083         PR target/17688
3084         * config/i386/i386.c (x86_use_himode_fiop): New.
3085         (x86_use_simode_fiop): Rename from x86_use_fiop.
3086         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3087         (TARGET_USE_HIMODE_FIOP): New.
3088         (x86_use_simode_fiop): Rename from x86_use_fiop.
3089         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3090
3091         * config/i386/i386.md (X87MODEI12): New mode macro define.
3092         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3093         to implement x87 FP compare with HImode input operands.
3094         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3095         Use X87MODEI12 mode macro to handle HImode input operands.
3096         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3097         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3098         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3099         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3100         macro to implement x87 operators with HImode input operands.
3101         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3102         input operands.
3103
3104 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3105
3106         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3107         integer_zerop.
3108         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3109         constants invariant.
3110
3111 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3112
3113         * basic-block.h (BB_VISITED): Removed.
3114         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3115
3116 2005-03-14  Falk Hueffner  <falk@debian.org>
3117
3118         PR bootstrap/20424
3119         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3120
3121 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3122
3123         * ggc-zone.c: Fix comment typos.
3124
3125         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3126         stringpool.c, config/mips/mips-protos.h: Update copyright.
3127
3128 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3129
3130         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3131         throughout with its typedef, "rtx".
3132         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3133         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3134         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3135         regs in comment to match code.
3136
3137 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3138
3139         * except.c (check_handled): Make it static.
3140         * except.h: Remove the corresponding prototype.
3141
3142         * function.c (get_func_frame_size): Make it static.
3143         * function.h: Remove the corresponding type.
3144
3145         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3146         Make them static.
3147         * hard-reg-set.h: Remove the corresponding declarations.
3148
3149         * tree-cfg.c (verify_stmts): Check that
3150         bb_for_stmt (stmt) == bb for every PHI node and statement.
3151
3152 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3153
3154         * config.gcc: Remove excess indentation.
3155         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3156
3157 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3158
3159         PR middle-end/19331
3160         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3161         * fold-const.c (fold_sign_changed_comparison): Likewise.
3162         (fold_binary): Optimize comparisons against widened operands if
3163         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3164
3165 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3166
3167         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3168         (sparc_override_options): Initialize it.
3169         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3170
3171 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3172
3173         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3174         (reg_or_none500mem_operand): New predicate.
3175         (zero_reg_mem_operand): New predicate.
3176         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3177         to reg_or_none500mem_operand.
3178         (extendsfdf2_fpr): Add MEM alternative.
3179         (extenddftf2_internal): Change operand2 predicate to
3180         zero_reg_mem_operand.
3181
3182 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3183
3184         * ggc-zone.c: Rewritten.
3185
3186         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3187         if there are none.
3188         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3189         * config.in: Regenerated.
3190         * configure: Regenerated.
3191         * gengtype.c (write_types_process_field, write_func_for_structure):
3192         Pass new argument to gt_pch_note_object.
3193         * ggc-common.c (struct ptr_data): Add TYPE.
3194         (gt_pch_note_object): Take TYPE argument and save it.
3195         (call_count): Update call to ggc_pch_count_object.
3196         (call_alloc): Update call to ggc_pch_alloc_object.
3197         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3198         file.
3199         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3200         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3201         (ggc_alloc_zone_stat): Delete.
3202         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3203         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3204         (ggc_pch_alloc_object): Update prototypes.
3205         (garbage_zone): Delete.
3206         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3207         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3208         pointers.
3209         (tree_id_zone): New variable.
3210         (ggc_alloc_cleared_zone): Remove unused.
3211         (ggc_alloc_zone): Define.
3212         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3213         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3214         ggc_alloc_zone_stat.
3215         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3216         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3217         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3218         (make_node_stat): Likewise.  Use tree_id_zone.
3219
3220 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3221             Joseph S. Myers  <joseph@codesourcery.com>
3222
3223         * configure.ac: Check for MIPS TLS.
3224         * configure: Regenerated.
3225         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3226         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3227         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3228         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3229         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3230         (mips_classify_symbol, mips_symbolic_constant_p)
3231         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3232         (mips_tls_operand_p, mips_call_tls_get_addr)
3233         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3234         (mips_tls_symbol_ref_1): New functions.
3235         (mips_legitimize_address, mips_legitimize_const_move): Call
3236         mips_legitimize_tls_address.
3237         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3238         for MIPS16.
3239         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3240         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3241         (mips_char_to_class): Document V1_REG.
3242         (HAVE_AS_TLS): Provide default.
3243         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3244         constants.
3245         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3246         !TARGET_ABICALLS.
3247         (tls_get_tp_<mode>): New instruction.
3248
3249 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3250
3251         * configure.ac: Update checks for target tools.
3252         * configure: Regenerated.
3253
3254 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3255
3256         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3257
3258 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3259
3260         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3261         more classes of DImode multiplication by constant.  Allow both
3262         multiplication by small negative constants (by performing a
3263         multiplication by a positive constant and negating the result) and
3264         multiplications by large powers of two, by using a left shift.
3265
3266 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3267
3268         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3269         of basic blocks into work_stack.
3270
3271         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3272         config/mips/vr.h: Update copyright.
3273
3274         * c-decl.c (c_init_decl_processing): Remove useless calls to
3275         build_function_type.
3276
3277         * builtins.c (fold_trunc_transparent_mathfn,
3278         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3279         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3280         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3281         fold_builtin_strcpy, fold_builtin_strncpy,
3282         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3283         TREE_TYPE (exp).
3284
3285         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3286         before_call.
3287
3288         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3289         variable determinant.
3290
3291         * tree-cfg.c (group_case_labels): Remove local variable type.
3292
3293         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3294         variable ann.
3295
3296         * tree-ssa-phiopt.c (value_replacement): Remove local variable
3297         result.
3298
3299 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3300
3301         PR target/18251
3302         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
3303         (*movmemqi_insn): Delete.
3304         (*movmemhi): Delete.
3305
3306 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3307
3308         * builtins.c (fold_builtin_classify): Take decomposed
3309         arguments of CALL_EXPR.
3310         (fold_builtin_1): Update a call to fold_builtin_classify.
3311
3312 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
3313
3314         PR c/20402
3315         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
3316         through into call to parser_xref_tag after parse error.
3317         (c_parser_struct_declaration): Consistently return NULL_TREE on
3318         error.
3319
3320 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
3321
3322         * tree-flow-inline.h (ref_contains_array_ref): New function.
3323         (lookup_subvars_for_var): Ditto.
3324         (get_subvars_for_var): Ditto.
3325         (var_can_have_subvars): Ditto.
3326
3327         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
3328         (struct subvar): New type.
3329
3330         * tree-dfa.c (okay_component_ref_for_subvars): New function.
3331
3332         * tree-optimize.c (init_tree_optimization_passes): Call
3333         pass_create_structure_vars.
3334
3335         * tree-ssa-alias.c: Include vec.h.
3336         (init_alias_info): Don't auto-clear call clobbered on struct-field
3337         tags.
3338         (compute_flow_insensitive_aliasing): Handle subvars.
3339         (group_aliases): Handle STRUCT_FIELD aliases.
3340         (setup_pointers_and_addressables): Ditto.
3341         Don't mark variables non-addressable if they still have
3342         addressable subvars.
3343         Also mark subvars addressable when the real variable is marked
3344         addressable.
3345         (add_pointed_to_var): Try to prune the pointed-to set by only
3346         pointing to subvars when possible.
3347         Otherwise, make sure we set addresses_needed and pt_vars to
3348         properly include subvars.
3349         (bitpos_of_field): New function.
3350         (push_fields_onto_fieldstack): Ditto.
3351         (get_or_create_used_part_for): Ditto.
3352         (create_overlap_variables_for): Ditto.
3353         (find_used_portions): Ditto.
3354         (create_structure_vars): Ditto.
3355         (pass_create_structure_vars): New structure.
3356
3357         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
3358         (get_expr_operands): Handle subvars.  Also try to turn
3359         COMPONENT_REF accesses into must-defs now that we can accurately
3360         portray it.
3361         (note_addressable): Try to only mark as addressable those subvars
3362         we know a COMPONENT_REF touches.
3363         (overlap_subvar): New function.
3364
3365         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
3366         Handle subvar storing.
3367         (vect_address_analysis): Update caller of vect_object_analysis.
3368
3369         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
3370
3371         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
3372         (STMT_VINFO_SUBVARS): New macro.
3373
3374         * common.opts: add flag_tree_salias.
3375
3376         * opts.c (decode_options): flag_tree_salias defaults to on.
3377
3378         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
3379
3380         * doc/tree-ssa.texi: Document structural alias analysis.
3381
3382 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3383
3384         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
3385         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
3386         * tree-ssa-operands.c (get_expr_operands): Likewise.
3387         (get_expr_operands): Likewise for ERROR_MARK.
3388
3389 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3390
3391         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
3392         var.
3393
3394         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
3395         removed_phis.
3396
3397         * tree-ssa-pre.c (compute_avail): Remove local variable val.
3398         (mark_operand_necessary): Remove local variable ver.
3399
3400         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
3401         variable prefix_len.
3402
3403         * value-prof.c (mod_subtract_transform): Remove local variable
3404         value.
3405
3406         * builtins.c (fold_builtin_exponent): Take decomposed
3407         arguments of CALL_EXPR.
3408         (fold_builtin_1): Update a call to fold_builtin_exponent.
3409
3410         * builtins.c (fold_builtin_logarithm): Take decomposed
3411         arguments of CALL_EXPR.
3412         (fold_builtin_1): Update a call to fold_builtin_logarithm.
3413
3414         * c-decl.c (c_init_decl_processing): Remove local variables
3415         ptr_ftype_void and ptr_ftype_ptr.
3416
3417         * gimplify.c (gimplify_expr): Remove local variables r0 and
3418         r1.
3419
3420         * reg-stack.c (move_for_stack_reg): Remove local variable
3421         push_insn.
3422         (compare_for_stack_reg): Remove local variable flags_user.
3423         (convert_regs_1): Remove local variable deleted.
3424
3425         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
3426         variable new_cond.
3427         (combine_blocks): Remove local variables exits and new_e.
3428
3429         * tree-inline.c (expand_call_inline): Remove local variable
3430         decl.
3431
3432         * tree-ssa-live.c (create_ssa_var_map,
3433         calculate_live_on_entry): Remove local variable snn.
3434
3435 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
3436
3437         * c-lex.c (c_lex_with_flags): Add parameter to call to
3438         cpp_spell_token.
3439
3440 2005-03-11  Per Bothner  <per@bothner.com>
3441
3442         * c-tree.h (struct c_declarator): New id_loc field.
3443         * c-pragma.h (c_lex_with_flags): Take position reference.
3444         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
3445         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
3446         (c_lex): Pass dummy location to c_lex_with_flags.
3447         * c-parser.c (c_lex_one_token): Set c_token's location using
3448         c_lex_with_flags, instead of input_location, which might be "ahead".
3449         (c_parser_direct_declarator): Set declarator's id_loc from
3450         c_token's id_loc.
3451         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
3452         declarator's id_loc, rather than probably-imprecise input_location.
3453         (build_id_declarator): Initialize c_declarator's id_loc field.
3454
3455 2005-03-11  Roger Sayle  <roger@eyesopen.com>
3456
3457         PR middle-end/20419
3458         * builtins.c (expand_builtin_signbit): Force the signbit's word
3459         into an integer register to avoid SUBREGs of floating point modes.
3460
3461 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3462
3463         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
3464         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
3465         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
3466         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
3467
3468 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
3469
3470         PR rtl-optimization/20306
3471         * expr.c (emit_move_complex): Set try_int false if mode is
3472         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
3473         emit_block_move if try_int is true.
3474
3475 2005-03-11  Richard Henderson  <rth@redhat.com>
3476
3477         PR target/20415
3478         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
3479         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
3480         to match.
3481
3482 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3483
3484         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
3485         (TARGET_FIX_VR4130): New macro.
3486         (TARGET_OPTIONS): Add -mfix-vr4130.
3487         (ISA_HAS_MACCHI): New macro.
3488         (ASM_SPEC): Add -mfix-vr4130.
3489         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
3490         (override_options): Handle mips_fix_vr4130_string.
3491         (mips_avoid_hazards): Clear all_noreorder_p
3492         if we're working around VR4130 errata and the macc alternatives
3493         are not available.
3494         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
3495         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
3496         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
3497         (MULTILIB_DEFAULTS): Remove leading "march=".
3498         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
3499         if no architecture option is given.
3500         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
3501         VR4130 multilibs.
3502         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
3503         * doc/invoke.texi: Document -mfix-vr4130.
3504
3505 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3506
3507         * config/mips/mips.c (override_options): Only warn about -mint64
3508         deprecation if TARGET_INT64.
3509
3510 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3511
3512         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
3513         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
3514         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
3515         are non-specific regarding the nonnull parameter positions.
3516         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
3517         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
3518         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
3519         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
3520
3521         * builtins.def: Use the non-specific "nonnull" attibute lists.
3522
3523 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3524
3525         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3526         single_pred_edge, single_succ, single_pred): Improve comments.
3527
3528 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3529
3530         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3531         single_pred_edge, single_succ, single_pred): New inline functions.
3532         * bb-reorder.c (rotate_loop, find_traces_1_round,
3533         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
3534         duplicate_computed_gotos): Use the single_succ/pred functions.
3535         * cfganal.c (forwarder_block_p): Ditto.
3536         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
3537         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3538         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
3539         merge_seq_blocks): Ditto.
3540         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
3541         * cfglayout.c (fixup_reorder_chain): Ditto.
3542         * cfgloop.c (mark_single_exit_loops, update_latch_info,
3543         canonicalize_loop_headers, verify_loop_structure): Ditto.
3544         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
3545         mfb_update_loops, create_preheader, force_single_succ_latches,
3546         create_loop_notes): Ditto.
3547         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
3548         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
3549         commit_one_edge_insertion, purge_dead_edges,
3550         cfg_layout_can_merge_blocks_p): Ditto.
3551         * except.c (sjlj_emit_function_enter): Ditto.
3552         * flow.c (init_propagate_block_info): Ditto.
3553         * function.c (thread_prologue_and_epilogue_insns): Ditto.
3554         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
3555         insert_insn_end_bb): Ditto.
3556         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
3557         find_if_case_2): Ditto.
3558         * lambda-code.c (perfect_nestify): Ditto.
3559         * lcm.c (optimize_mode_switching): Ditto.
3560         * loop-doloop.c (doloop_modify): Ditto.
3561         * loop-init.c (loop_optimizer_init): Ditto.
3562         * loop-iv.c (simplify_using_initial_values): Ditto.
3563         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3564         * loop-unswitch.c (unswitch_loop): Ditto.
3565         * modulo-sched.c (generate_prolog_epilog): Ditto.
3566         * predict.c (combine_predictions_for_insn, estimate_probability,
3567         tree_estimate_probability, last_basic_block_p,
3568         estimate_bb_frequencies): Ditto.
3569         * profile.c (branch_prob): Ditto.
3570         * regrename.c (copyprop_hardreg_forward): Ditto.
3571         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
3572         * tracer.c (layout_superblocks): Ditto.
3573         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
3574         cfg_remove_useless_stmts_bb, cleanup_control_flow,
3575         cleanup_control_expr_graph, disband_implicit_edges,
3576         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
3577         tree_verify_flow_info, tree_make_forwarder_block,
3578         tree_forwarder_block_p, remove_forwarder_block,
3579         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3580         * tree-if-conv.c (tree_if_conversion): Ditto.
3581         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3582         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
3583         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
3584         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3585         copy_loop_headers): Ditto.
3586         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
3587         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
3588         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
3589         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
3590         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
3591         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
3592         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
3593         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
3594         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
3595         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
3596         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
3597         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
3598         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
3599         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
3600         slpeel_add_loop_guard): Ditto.
3601
3602 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
3603
3604         PR tree-optimization/15784
3605         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3606         and -1 - A to ~A.
3607
3608         * stmt.c (expand_case): Don't change index_type.  Convert minval
3609         to the proper type.
3610
3611         PR tree-optimization/20130
3612         * fold-const.c (fold): Fold x * -1 into -x.
3613
3614 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3615
3616         PR rtl-optimization/20331
3617         * rtlanal.c (modified_between_p): Check its address first for MEM.
3618         (modified_in_p): Likewise.
3619
3620 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
3621
3622         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
3623
3624 2005-03-10  Steven Bosscher  <stevenb@suse.de>
3625
3626         * expr.c (expand_expr_real_1): If possible, use a conditional
3627         move for expanding MIN_EXPR and MAX_EXPR.
3628         Use temp for moving around rtx-en.
3629
3630 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
3631
3632         PR rtl-opt/20412
3633         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
3634         correct mode.
3635
3636 2005-03-10  Roger Sayle  <roger@eyesopen.com>
3637
3638         * builtins.c (expand_builtin_signbit): Extend to handle floating
3639         point modes wider than the largest integer type, using the
3640         operand_subword_force function to obtain the signbit's word.
3641
3642 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3643
3644         PR target/20322
3645         * combine.c (try_combine): If recog_for_combine added CLOBBERs
3646         to NEWI2PAT, fail to combine if they are used by NEWPAT.
3647
3648 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
3649
3650         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
3651
3652 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
3653
3654         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
3655         type void.
3656         (perform_edge_inserts): Unconditionally call
3657         free_dominator_info.
3658
3659         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
3660
3661 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
3662
3663         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
3664
3665 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
3666
3667         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
3668
3669         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
3670         gcc_unreachable.
3671         (rtl_register_value_prof_hooks,
3672         tree_value_profile_transformations,
3673         tree_register_value_prof_hooks): Likewise.
3674         * var-tracking.c (stack_adjust_offset_pre_post,
3675         variable_htab_free, variable_union, dataflow_set_different_2,
3676         count_uses, variable_was_changed, set_frame_base_location,
3677         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
3678         vt_add_function_parameters): Likewise.
3679         * varasm.c (named_section_real, named_section, make_decl_rtl,
3680         asm_emit_uninitialised, assemble_integer, decode_addr_const,
3681         const_hash_1, compare_constant, copy_constant, force_const_mem,
3682         output_constant_pool_2, output_constant_pool_1, output_constant,
3683         output_constructor, make_decl_one_only, decl_tls_model,
3684         default_no_named_section, default_elf_select_section_1,
3685         default_unique_section_1): Likewise.
3686         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
3687         * vmsdbgout.c (addr_const_to_string): Likewise.
3688
3689         PR c++/20375
3690         * function.c (struct assign_parm_data_one): Remove last_named
3691         field.
3692         (assign_parm_find_data_types): Don't determine last_named.
3693         Reorder named_parm determination.
3694         (assign_parms): Only setup varargs on the last non-varadic
3695         parameter.
3696
3697 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
3698
3699         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
3700         sda base address on medium model.
3701
3702 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
3703
3704         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
3705         * cfgloop.c (flow_loop_nodes_find): Export.
3706         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
3707         Declare.
3708         * cfgloopmanip.c (fix_loop_structure): New function.
3709         * predict.c (predict_loops): Clean up the loops information.
3710         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
3711         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
3712         loop structure.
3713         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
3714         (rewrite_into_loop_closed_ssa): Declaration changed.
3715         * tree-loop-linear.c (linear_transform_loops): Add argument to
3716         rewrite_into_loop_closed_ssa call.
3717         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3718         * tree-ssa-loop-im.c (move_computations): Ditto.
3719         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3720         * tree-vectorizer.c (vectorize_loops): Ditto.
3721         * tree-optimize.c: Include cfgloop.h.
3722         (execute_todo): Choose whether to call cleanup_tree_cfg or
3723         cleanup_tree_cfg_loop.
3724         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
3725         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
3726         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
3727         cleanup_tree_cfg_loop call.
3728         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
3729         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
3730         work on part of cfg.
3731
3732 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3733
3734         PR inline-asm/20314
3735         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
3736         with multiple alternatives.
3737
3738         * stmt.c (parse_output_constraint): Fix a typo.
3739
3740 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
3741
3742         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
3743         assembly directive instead of deprecated "no-generics".
3744
3745 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
3746
3747         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3748         for non-offsettable memory references to cope with outstanding reload
3749         replacements.
3750         * config/s390/s390.md ("reload_outti"): Call find_replacement to
3751         avoid losing outstanding address reloads.
3752         ("reload_outdi", "reload_outdf"): Likewise.
3753
3754 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3755
3756         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
3757         code.  Add more cbrt transformations.
3758
3759 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3760
3761         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
3762
3763 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3764
3765         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
3766         NULL_TREE when a given tree is not simplified.
3767         (fold): Return the original tree when any of the functions
3768         mentioned above NULL_TREE.
3769
3770         * fold-const.c (fold_unary, fold_binary): Take decomposed
3771         arguments, code, type, op0, and op1 in case of fold_binary.
3772         (fold): Update calls to fold_unary and fold_binary.
3773
3774 2005-03-09  Roger Sayle  <roger@eyesopen.com>
3775
3776         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
3777         a fndecl and an arglist instead of a CALL_EXPR, exp.
3778
3779 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3780
3781         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
3782
3783         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
3784
3785         * expr.c (expand_assignment): Remove orig_to_rtx.
3786
3787         * fold-const.c (int_const_binop): Remove no_overflow.
3788
3789         * ifcvt.c (noce_emit_move_insn): Remove inmode.
3790
3791         * loop-iv.c (get_biv_step_1): Remove lhs.
3792
3793         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
3794
3795         * real.c (real_nan): Remove neg.
3796
3797         * function.c (thread_prologue_and_epilogue_insns): Remove i
3798         and newinsn.
3799
3800         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
3801         tb.
3802
3803         * tree-eh.c (tree_could_trap_p): Remove idx.
3804
3805         * tree-into-ssa.c (ann): Remove ann.
3806
3807         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
3808
3809         * tree-sra.c (decide_block_copy): Remove inst_count.
3810
3811         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
3812
3813         * tree-ssa-loop-im.c (lhs): Remove.
3814
3815         * cfgbuild.c (state, STATE, SET_STATE,
3816         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
3817         make_edges.
3818         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
3819         (find_basic_blocks): Set the state of each basic block to
3820         BLOCK_NEW.
3821
3822 2005-03-08  Jeff Law  <law@redhat.com>
3823
3824         * tree-cfg.c (cleanup_control_flow): If removal of a computed
3825         goto results in the removal of edges in the CFG, then we need
3826         to recompute dominators.
3827
3828 2005-03-09  Ben Elliston  <bje@au.ibm.com>
3829
3830         * c-common.c (c_do_switch_warnings): Comment fix.
3831
3832 2005-03-08  Julian Brown  <julian@codesourcery.com>
3833
3834         * Patch from 2005-03-08 reverted for causing regressions and
3835         ppc-darwin bootstrap failure.
3836
3837 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
3838
3839         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
3840         Define the real function for ppc-darwin.
3841         * c-typeck.c (convert_arguments): Check for target-specific
3842         invalid argument call to unprototyped function.
3843         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3844         New Macro.
3845         * target.h (invalid_arg_for_unprototyped_fn): New field
3846         in struct calls.
3847         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
3848         default target hook.
3849         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
3850         Declare.
3851
3852 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3853
3854         * c-typeck.c (constructor_stack, constructor_range_stack,
3855         initializer_stack): Make them static.
3856
3857         * cfg.c (rbi_pool): Make it static.
3858
3859         * gimple-low.c (lower_stmt_body): Make it static.
3860         * tree-flow.h: Remove the corresponding prototype.  Don't
3861         declare lower_data.
3862
3863         * sched-deps.c (cache_size): Make it static.
3864
3865         * stor-layout.c (lang_adjust_rli): Make it static.
3866
3867 2005-03-08  Julian Brown  <julian@codesourcery.com>
3868
3869         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3870         from being used for symbols with vague linkage when
3871         HAVE_GAS_COMDAT_GROUP is true.
3872
3873 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
3874
3875         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
3876         nlabel == JUMP_LABEL (jump).
3877
3878 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3879
3880         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
3881         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
3882         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
3883         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
3884
3885 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
3886
3887         PR c/14411
3888         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
3889         * c-common.c (handle_returns_twice): New function.
3890         (c_common_attribute_table): Declare eturns_twice' attribute.
3891         * doc/extend.texi: Document eturns_twice' attribute.
3892         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
3893         (struct tree_decl): Add returns_twice_flag.
3894
3895 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3896
3897         * tree-ssa-phiopt.c: Fix a comment typo.
3898
3899         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
3900         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
3901         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
3902         copyright.
3903
3904 2005-03-08  Richard Henderson  <rth@redhat.com>
3905
3906         * config/alpha/alpha.c (code_for_builtin): Replace special-case
3907         builtin codes with ctzdi2, clzdi2, popcountdi2.
3908         (struct alpha_builtin_def): Add is_const.
3909         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
3910         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
3911         (alpha_init_builtins): Init them.  Set nothrow and const attributes
3912         on builtins.
3913         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
3914         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
3915         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
3916         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
3917         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
3918         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
3919         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
3920         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
3921         (TARGET_FOLD_BUILTIN): New.
3922         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
3923         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
3924         (ffsdi2): Use ctz.
3925         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
3926
3927 2005-03-08  Ira Rosen  <irar@il.ibm.com>
3928
3929         PR tree-optimization/20122
3930         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
3931         condition of access function instead of base.
3932
3933 2005-03-07  Jeff Law  <law@redhat.com>
3934             Steven Bosscher  <stevenb@suse.de>
3935
3936         * tree-cfg.c (find_taken_edge_computed_goto): New function.
3937         (find_taken_edge): Call find_taken_edge_computed_goto as
3938         appropriate.  Allow any gimple invariant rather than just
3939         INTEGER_CST for VAL.
3940         (cleanup_control_flow): Cleanup a computed goto which has turned
3941         into a simple goto.
3942         (tree_merge_blocks): If block B has any forced labels, move
3943         them to the start of block A.
3944         * tree-ssa-dom.c (thread_across_edge): Allow threading across
3945         computed gotos as well.
3946         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
3947         removal of unnecessary computed gotos too.
3948         (lookup_redirection_data): Fix type of INSERT argument.  Callers
3949         updated.
3950
3951 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3952
3953         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
3954         Remove trailing spaces.
3955
3956         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
3957         unshare_all_trees): Make them static.
3958         * tree-gimple.h: Remove the corresponding prototypes.
3959
3960         * diagnostic.h: Remove unused prototype
3961         debug_output_buffer.
3962         * modulo-sched.c: Remove unused prototype
3963         set_row_column_for_ps.
3964
3965         * tree-ssa-phiopt.c (tree_ssa_phiopt,
3966         replace_phi_edge_with_variable): Remove unused variable i.
3967
3968 2005-03-07  Per Bothner  <per@bothner.com>
3969
3970         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
3971
3972 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
3973
3974         PR tree-opt/17671
3975         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
3976         bbs on the COND_EXPR instead of the PHI_NODEs.
3977         (candidate_bb_for_phi_optimization): Remove.
3978         (replace_phi_with_stmt): Rename to ...
3979         (replace_phi_edge_with_variable): this and change so that we
3980         replace the phi argument instead of removing the PHI.
3981         (conditional_replacement): Change so we deal with PHI with more
3982         than two arguments.
3983         (value_replacement): Likewise.
3984         (abs_replacement): Likewise.
3985
3986 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
3987
3988         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
3989         output_e500_flip_gt_bit.
3990
3991         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
3992         as bit 31.
3993         (rs6000_generate_compare): Fix logic to look at the correct bits.
3994         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
3995         Look at GT bit.
3996         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
3997         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
3998         gen_move_from_CR_gt_bit.
3999
4000         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4001         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4002         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4003
4004         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4005         (E500_CR_IOR_COMPARE): New constant.
4006
4007 2005-03-08  Earl Chew <earl_chew@agilent.com>
4008             David Billinghurst <David.Billinghurst@riotinto.com>
4009
4010         * config/i386/host-cygwin.c: New file to support precompiled
4011         headers on cygwin
4012         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4013         * config.host: Use above files for cygwin host.
4014
4015 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4016
4017         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4018         ordering ops from earlier change.
4019
4020 2005-03-07  Per Bothner  <per@bothner.com>
4021
4022         Various fixes to allow us to again build if --enable-mapped-location:
4023         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4024         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4025         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4026         local variable loc. Change logic appropriately.
4027         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4028         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4029         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4030         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4031         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4032
4033 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4034
4035         PR rtl-optimization/19683
4036         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4037         number of bytes, to smallest_int_for_mode.  Fix arguments to
4038         REG_CANNOT_CHANGE_MODE_P.
4039
4040 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4041
4042         * reorg.c (relax_delay_slots): Check that the jump is
4043         conditional before trying to invert it.
4044
4045 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4046
4047         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4048         Make them static.
4049
4050         * calls (stack_arg_under_construction): Make it static.
4051
4052         * flow.c (regs_live_at_setjmp): Make it static.
4053         * flow.h: Remove the corresponding prototype.
4054
4055         * reload1.c (reload_startobj, reload_firstobj,
4056         something_needs_operands_changed, reload_inherited,
4057         reload_inheritance_insn, reload_override_in,
4058         reload_spill_index): Make them static.
4059
4060         * recog.c (verify_changes): Make it static.
4061         * recog.h: Remove the corresponding prototype.
4062
4063         * cfgbuild.c (find_sub_basic_blocks): Remove.
4064         * basic-block.h: Remove the corresponding prototype.
4065         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4066         in comments.
4067         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4068
4069         * tree-ssa-operands.c (check_build_stmt): Remove.
4070
4071         * stor-layout.c (set_alignment): Remove.
4072         * tree.h: Remove the corresponding prototype.
4073
4074         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4075
4076         * tree-ssa-dce.c (control_dependence_map,
4077         visited_control_parents): Make them static.
4078
4079         * cfghooks.c (verify_flow_info): Remove local variable
4080         num_bb_notes.
4081
4082         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4083         last_bb_seen.
4084
4085         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4086
4087 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4088
4089         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4090
4091 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4092
4093         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4094         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4095         PARALLEL for an empty structure.
4096
4097 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4098
4099         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4100
4101         * fold-const.c (fold_binary): Unroll the very first "for"
4102         loop.
4103
4104 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4105
4106         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4107         redundant match_code test.
4108         (scc_comparison_operator): Swap match_operand and match_code
4109         tests.
4110         (branch_positive_comparison_operator): Same.
4111         (trap_comparison_operator): Use comparison_operator and swap with
4112         match_code test.
4113
4114 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4115
4116         PR target/20288
4117         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4118         (out_movhi_r_mr): Read low byte of volatile MEM first.
4119         (out_movhi_mr_r): Write high byte of volatile MEM first.
4120
4121 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4122
4123         * cselib.c (reg_values, reg_values_size): Make them static.
4124
4125         * cse.c (cse_reg_info_table): Make it static.
4126
4127         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4128
4129 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4130
4131         * cse.c (find_best_addr): Use canon_for_address.
4132
4133 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4134
4135         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4136         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4137         SUBREG and MEM, respectively.
4138
4139         * fold-const.c (fold_binary): Use code instead of t.
4140
4141         * fold-const.c (optimize_minmax_comparison): Take decomposed
4142         arguments code, type, op0, and op1 instead of t.
4143         (fold_binary): Update a call to optimize_minmax_comparison.
4144
4145         * fold-const.c (fold_range_test): Take decomposed arguments
4146         code, type, op0, and op1 instead of t.
4147         (fold_binary): Update a call to fold_range_test.
4148
4149         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4150         decomposed arguments code, type, op0, and op1 instead of t.
4151         (fold_binary): Update a call to fold_range_test.
4152
4153 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4154
4155         * fold-const.c (fold_binary): Avoid directly using the original
4156         expression t as much as possible.
4157
4158 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4159
4160         * c-semantics.c (build_stmt): Use TYPE_P instead of
4161         IS_NON_TYPE_CODE_CLASS.
4162         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4163         (NON_TYPE_CHECK): Use TYPE_P instead of
4164         IS_NON_TYPE_CODE_CLASS.
4165
4166         * fold-const.c (fold): Remove handling of binary expressions.
4167
4168 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4169
4170         * doc/c-tree.texi: Wrap comments in @r{}.
4171         * doc/cpp.texi: Likewise.
4172         * doc/cppinternals.texi: Likewise.
4173         * doc/extend.texi: Likewise.
4174         * doc/md.texi: Likewise.
4175         * doc/objc.texi: Likewise.
4176         * doc/sourcebuild.texi: Likewise.
4177         * doc/tm.texi: Likewise.
4178         * doc/tree-ssa.texi
4179
4180 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4181
4182         * predict.c (apply_return_prediction): Standardize PHI chain
4183         walking.
4184         * tree-ssa.c (ssa_redirect_edge): Likewise.
4185
4186         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4187         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4188         Update copyright.
4189
4190         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4191         * tree-flow.h: Adjust the prototype for remove_phi_node.
4192         * lambda-code.c (perfect_nestify): Adjust a call to
4193         remove_phi_node.
4194         * tree-cfg.c
4195         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4196         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4197         Likewise.
4198         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4199         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4200         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4201         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4202
4203         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4204         of GEN_INT (trunc_int_for_mode (...)).
4205         * loop-iv.c (iv_number_of_iterations): Likewise.
4206         * postreload.c (reload_cse_move2add): Likewise.
4207         * simplify-rtx.c (simplify_const_unary_operation,
4208         simplify_const_binary_operation): Likewise.
4209         * stor-layout.c (get_mode_bounds): Likewise.
4210
4211         * fold-const.c (fold_binary): New.
4212         (fold): Call fold_binary on binary expressions.
4213
4214 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4215
4216         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4217         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4218         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4219         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4220         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4221
4222 2005-03-04  Devang Patel  <dpatel@apple.com>
4223
4224         PR tree-optimization/18815
4225         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4226         loops with zero exit edges.
4227
4228 2005-03-04  Devang Patel  <dpatel@apple.com>
4229
4230         * doc/invoke.texi: Remove reference to webpage that does not exist.
4231
4232 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4233             Joseph S. Myers  <joseph@codesourcery.com>
4234
4235         PR c++/19797
4236         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4237         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4238         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4239         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4240         maybe_get_identifier instead of get_identifier.
4241         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4242         (struct deferred_plabel): Replace name field with symbol field.
4243         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4244         ASM_OUTPUT_EXTERNAL_REAL is defined.
4245         (output_global_address): Use output_addr_const for output of all
4246         symbol_refs.
4247         (output_deferred_plabels): Use symbol_ref instead of name for address
4248         output.
4249         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4250         ASM_OUTPUT_SYMBOL_REF): New macros.
4251         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4252         comment.
4253         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4254         label.
4255
4256 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4257
4258         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4259         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4260
4261 2005-03-04  Jeff Law  <law@redhat.com>
4262
4263         * basic-block.h (rediscover_loops_after_threading): Declare.
4264         * tree-ssa-dom.c: Include cfgloop.h.
4265         (tree_ssa_dominator_optimize): Discover loops and some basic
4266         properties.  Remove forwarder blocks recreated by loop header
4267         canonicalization.  Also mark backedges in the CFG.
4268         * tree-ssa-threadupdate.c: Include cfgloop.h
4269         (rediscover_loops_after_threading): Define.
4270         (struct local_info): New field, JUMP_THREADED.
4271         (prune_undesirable_thread_requests): New function.
4272         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4273         then record that fact for the callers of redirct_edges.
4274         (thread_block): If BB has incoming backedges, then call
4275         prune_undesirable_thraed_requests.    Note when we are
4276         going to have to rediscover loop information.  Return a
4277         boolean indicating if any jumps were threaded.
4278         (thread_through_all_blocks): Bubble up boolean indicating
4279         if any jumps were threaded.
4280         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4281         (tree-ssa-threadupdate.o): Similarly.
4282
4283 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4284
4285         * fold-const.c (fold_ternary): Unroll the "for" loop to
4286         extract operands.
4287
4288 2005-03-04  Andrew Haley  <aph@redhat.com>
4289
4290         * unwind-dw2-fde-glibc.c (struct
4291         unw_eh_callback_data.check_cache): New field.
4292         (frame_hdr_cache): New.
4293         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4294         Cache frame header info.
4295
4296 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
4297
4298         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
4299         (print_c_condition): Declare.
4300         * read-rtl.c (ptr_loc): New structure.
4301         (ptr_locs, ptr_loc_obstack, joined_conditions)
4302         (joined_conditions_obstack): New variables.
4303         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
4304         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
4305         (join_c_conditions, print_c_condition): New functions.
4306         (apply_macro_to_string): Associate the new string with the same
4307         source location as the old one.
4308         (add_condition_to_string): Use join_c_conditions.
4309         (read_string): Use set_rtx_ptr_loc to record a filename and line
4310         number for the string.
4311         (read_rtx): Initialize the new variables above.
4312         * genattrtab.c (write_test_expr, write_attr_value): Use
4313         print_c_condition.
4314         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
4315         comment above the GCC_VERSION check.
4316         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
4317         Inline the definition of MAYBE_EVAL.
4318         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
4319         * genoutput.c (process_template): Likewise.
4320         * genpreds.c (write_predicate_subfunction): Likewise.
4321         (write_predicate_expr): Use print_c_condition.
4322         * genrecog.c (write_cond): Likewise.
4323         * gensupport.c (process_rtx): Use join_c_conditions to join the
4324         conditions of a define_insn_and_split.  Record a source location
4325         for the string after the "&&".
4326         (alter_test_for_insn): Use join_c_conditions.
4327
4328 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
4329
4330         Revert for now:
4331         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4332         PR tree-optimization/15784
4333         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4334         and -1 - A to ~A.
4335
4336 2005-03-04  Ben Elliston  <bje@au.ibm.com>
4337
4338         * gcc.c (option_map): Add --coverage.
4339         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
4340         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
4341         * config/darwin.h: Pass -lgcov for `coverage'.
4342         * doc/invoke.texi (Debugging Options): Document --coverage.
4343
4344 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4345
4346         * gcse.c (bypass_block): Use find_edge wherever possible.
4347
4348 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
4349
4350         Fix PR debug/20253
4351
4352         * c-opts.c (c_common_parse_file): Call start_source_file
4353         and end_source_file at the approriate times.
4354
4355         * dwarf2out.c (dwarf2out_finish): Don't auto-end
4356         the main file, it will be done for us now.
4357
4358 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4359
4360         * fold-const.c (fold_ternary): New.
4361         (fold): Call fold_ternary on ternary expressions.  Remove
4362         handling of ternary expressions.
4363
4364 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4365
4366         PR tree-optimization/15784
4367         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4368         and -1 - A to ~A.
4369
4370 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
4371
4372         * config/rs6000/predicates.md (branch_comparison_operator):
4373         Convert from C block to conditional format.
4374
4375 2005-03-03  Jan Hubicka  <jh@suse.cz>
4376
4377         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
4378         and non-constant public variables.
4379
4380 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
4381
4382         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
4383         with LABEL_EXPR.
4384
4385         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
4386         EDGE_I.
4387
4388         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
4389         calls to release_ssa_name and release_phi_node.
4390
4391         * fold-const.c (fold): Remove handling of unary expressions.
4392
4393         * fold-const.c (fold_unary): Avoid directly using the original
4394         expression t as much as possible.
4395
4396 2005-03-03  Roger Sayle  <roger@eyesopen.com>
4397             Andrew Pinski  <pinskia@physics.uc.edu>
4398
4399         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
4400         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
4401
4402 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
4403
4404         Describe special registers SRP and MOF as allocatable registers.
4405         * config/cris/cris.c (cris_md_asm_clobbers): New function.
4406         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
4407         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
4408         TARGET_HAS_MUL_INSNS.
4409         (cris_print_operand) <case 'd'>: New case.
4410         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
4411         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
4412         define.
4413         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
4414         (REG_ALLOC_ORDER): Update for MOF.
4415         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
4416         SPECIAL_REGS.
4417         (GENERAL_REGS): No longer a define of ALL_REGS.
4418         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
4419         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4420         Adjust accordingly.
4421         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
4422         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
4423         (SECONDARY_RELOAD_CLASS): Define.
4424         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
4425         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
4426         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
4427         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
4428         (REGISTER_MOVE_COST): Define.
4429         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
4430         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
4431         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
4432         (CRIS_MOF_REGNUM): New define_constants.
4433         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
4434         special registers.
4435         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
4436         New patterns.
4437         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
4438         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
4439         Adjust for MOF being properly described as a register.
4440         (indir_to_reg_split): Name this split.  Conditionalize on the
4441         destination register being a general register.
4442         (movei): Conditionalize on on operands 0 and 1 having the same
4443         register class.
4444
4445 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
4446
4447         PR target/20277
4448         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
4449         -mcpu to override any other explicitly given flags.
4450
4451 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
4452
4453         * recog.c (verify_changes, confirm_change_group): New functions,
4454         broken out of apply_change_group.
4455         (apply_change_group): Use them.
4456         * recog.h (verify_change, confirm_change_group): Declare.
4457         * rtl.h (redirect_jump_2): Declare.
4458         * jump.c (redirect_exp, invert_exp): Delete.
4459         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
4460         (redirect_jump_2): New function, broken out of redirect_jump.
4461         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
4462         (invert_jump): Use invert_jump_1 and redirect_jump_2.
4463         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
4464
4465 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
4466
4467         * varasm.c (named_section): Use xstrdup rather than doing it by
4468         hand.
4469
4470         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
4471
4472 2005-03-02  Devang Patel  <dpatel@apple.com>
4473
4474         Undo PR tree-optimization/18815 fix.
4475
4476 2005-03-02  Devang Patel  <dpatel@apple.com>
4477
4478         PR tree-optimization/18815
4479         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4480         loops with zero exit edges.
4481
4482 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4483
4484         * cfg.c (connect_src, connect_dest, disconnect_src,
4485         disconnct_dest): New.
4486         (unchecked_make_edge, remove_edge, redirect_edge_succ,
4487         redirect_edge_pred): Use the new functions.
4488
4489         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4490         free_dominance_info only when needed.
4491
4492 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
4493
4494         PR target/20276
4495         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
4496         (reg_or_sub_cint64_operand): Same.
4497
4498 2005-03-02  Jeff Law  <law@redhat.com>
4499
4500         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
4501         CFG_ALTERED in the main DOM iteration loop.
4502
4503 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
4504
4505         PR c++/19916
4506         * varasm.c (initializer_constant_valid_p): Allow conversions
4507         between OFFSET_TYPEs.  Tidy.
4508
4509 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
4510
4511         * config/cris/cris.md ("return"): Remove epilogue delay list
4512         sanity check.
4513
4514 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
4515
4516         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
4517         for Thumb.
4518         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
4519
4520 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4521
4522         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
4523         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
4524         config/m68k/m68k.c, config/mips/mips.h,
4525         config/rs6000/rs6000-protos.h, doc/contrib.texi,
4526         doc/include/gcc-common.texi: Update copyright.
4527
4528         PR middle-end/18029 and PR middle-end/18030
4529         * expr.c (optimize_bitfield_assignment_op): Add a special case
4530         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
4531
4532         * fold-const.c (fold_unary): New.
4533         (fold): Call fold_unary on unary expressions.
4534
4535 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
4536
4537         * cgraph.h (struct cgraph_edge): Add prev_caller and
4538         prev_callee fields.
4539         (cgraph_node_remove_callees): Export.
4540         * cgraph.c (cgraph_create_edge): Initialize prev_caller
4541         and prev_callee.
4542         (cgraph_edge_remove_callee): New function.
4543         (cgraph_edge_remove_caller): Likewise.
4544         (cgraph_remove_edge): Use.
4545         (cgraph_redirect_edge_callee): Likewise.
4546         (cgraph_node_remove_callees): New function.
4547         (cgraph_node_remove_callers): Likewise.
4548         (cgraph_remove_node): Use.
4549         * tree-optimize.c (tree_rest_of_compilation): Use
4550         cgraph_node_remove_callees instead of manual loop.
4551         * cgraphunit.c (cgraph_finalize_function): Likewise.
4552         (cgraph_expand_function): Likewise.
4553         (cgraph_remove_unreachable_nodes): Likewise.
4554
4555 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
4556
4557         PR c/8927
4558         * c-tree.h (undeclared_variable, build_external_ref): Add extra
4559         argument.
4560         * c-decl.c (undeclared_variable): Take location as argument.
4561         * c-typeck.c (build_external_ref): Likewise.
4562         * c-parser.c (c_parser_postfix_expression): Pass location of
4563         identifier to build_external_ref.
4564
4565 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4566
4567         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
4568         CCEQ mode for branch_positive_comparison_operator test.
4569         * config/rs6000/predicates (branch_comparison_operator): Revert to
4570         define_predicate.
4571         (scc_comparison_operator): Same.
4572         (branch_positive_comparison_operator): Same.
4573
4574 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
4575
4576         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4577         (cris_delay_slots_for_epilogue): Remove.
4578         (save_last): Move into cris_target_asm_function_epilogue.
4579         (cris_target_asm_function_epilogue): Remove tests for file being
4580         NULL.
4581         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
4582         (cris_delay_slots_for_epilogue): Remove prototypes.
4583         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
4584         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
4585
4586 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4587
4588         * config/rs6000/predicates.md (branch_comparison_operator): Change
4589         to define_special_predicate.
4590         (scc_comparison_operator): Same.
4591         (branch_positive_comparison_operator): Same.
4592
4593 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
4594
4595         * Makefile.in (tree-ssa-sink.o): New.
4596         (OBJS-common): Add tree-ssa-sink.o.
4597         * common.opt: Add -ftree-sink
4598         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
4599         * timevar.def (TV_TREE_SINK): new timevar.
4600         * tree-flow.h (is_hidden_global_store): Prototype.
4601         * tree-optimize.c (init_tree_optimization_passes): Add
4602         pass_sink_code.
4603         * tree-pass.h (pass_sink_code): New.
4604         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
4605         for non-obvious global store store to is_hidden_global_store, and
4606         call that new function.
4607         * tree-ssa-sink.c: New file.
4608         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
4609         * doc/passes.texi: Document forward store motion.
4610         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
4611         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
4612         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
4613         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
4614
4615 2005-03-01  Per Bothner  <per@bothner.com>
4616
4617         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
4618         and we have a non-zero column-number, add it to the message.
4619         Also factor out the diagnostic_kind_text.
4620
4621 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4622
4623         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4624         flow_loop_pre_header_scan, flow_loop_pre_header_find,
4625         flow_loop_scan): Removed.
4626         (flow_loop_dump): Do not dump removed fields.
4627         (flow_loop_free): Do not free removed fields.
4628         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
4629         (loop_exit_edge_p): New function.
4630         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
4631         num_pre_header_edges, entry_edges, num_entries, exit_edges,
4632         num_exits, exits_doms.
4633         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
4634         LOOP_EDGES, LOOP_ALL): Removed.
4635         (flow_loop_scan): Declaration removed.
4636         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
4637         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
4638         flow_loops_find.
4639         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
4640         (if_convert): Call flow_loops_find and flow_loops_free
4641         when calling mark_loop_exit_edges.
4642         * cfgloopanal.c (mark_loop_exit_edges): Moved from
4643         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
4644         free_dominance_info calls.
4645         * loop-init.c (flow_loops_find): Ditto.
4646         * passes.c (rest_of_handle_branch_prob): Ditto.
4647         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
4648         * loop-unroll.c (analyze_insns_in_loop): Do not use
4649         EDGE_LOOP_EXIT.
4650         * predict.c (predict_loops): Do not call flow_loop_scan.
4651         Use get_loop_exit_edges.
4652         (tree_estimate_probability): Do not pass flags to flow_loops_find.
4653         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
4654         Do not use EDGE_LOOP_EXIT.
4655         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
4656         to bb_with_exit_edge_p.
4657         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
4658         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
4659         to bb_with_exit_edge_p.
4660         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
4661         EDGE_LOOP_EXIT.
4662         * tree-loop-linear.c (linear_transform_loops): Do not call
4663         flow_loop_scan.  Use loop->single_exit.
4664         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
4665         (vect_analyze_loop_form): Do not call flow_loop_scan.
4666         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
4667         loop->single_exit.
4668         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
4669         loop->single_exit.
4670         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4671         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4672         slpeel_tree_duplicate_loop_to_edge_cfg,
4673         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4674         Use loop_preheader_edge and loop->single_exit.  Do not call
4675         flow_loop_scan.
4676
4677 2005-03-01  Nick Clifton  <nickc@redhat.com>
4678
4679         * config/arm/arm.c (thumb_find_work_register): Check all of the
4680         argument registers to see if they are free, and a couple of
4681         special cases where the last argument register but can be proved
4682         to be available during the function's prologue.
4683         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
4684         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
4685         thumb_unexpanded_epilogue): Use unsigned long as the type for the
4686         register bit-mask.
4687         (thumb_compute_save_reg_mask): Likewise.  Also use
4688         thumb_find_work_register() to ensure that there is agreement about
4689         which work register is going to be used in the prologue.
4690         (thumb_output_function_prologue): Use unsigned long as the type
4691         for the register bit-mask.  Also delay pushing the link register if
4692         other high registers are going to be pushed.
4693         (thumb_compute_save_reg_mask, emit_multi_reg_push,
4694         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
4695         redundant prototypes.
4696
4697 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
4698
4699         PR target/19819
4700         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
4701         and after reload in REG+REG indexed addresses without REG_POINTER
4702         set in the base and not set in the index.
4703
4704 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4705
4706         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
4707         Don't undefine here.
4708         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
4709         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
4710         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4711         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
4712         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
4713         Delete.
4714         * config.gcc (sh*-*-linux*): Use config/linux.h.
4715
4716 2005-02-28  Dale Johannesen  <dalej@apple.com>
4717             Stan Shebs  <shebs@apple.com>
4718
4719         Rewrite of 64-bit Darwin structure-by-value pass/return.
4720         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
4721         intoffset, use_stack, named.
4722         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
4723         (rs6000_darwin64_record_arg_advance_flush):  New.
4724         (rs6000_darwin64_record_arg_advance_recurse): New.
4725         (rs6000_darwin64_record_arg_flush):  New.
4726         (rs6000_darwin64_record_arg_recurse):  New.
4727         (rs6000_darwin64_record_arg):  New.
4728         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
4729         (function_arg_boundary):  Handle 128-bit aligned structs.
4730         (function_arg_advance):  Rewrite darwin64 struct handling.
4731         (function_arg):  Call rs6000_darwin64_record_arg.
4732         (function_arg_partial_nregs):  Handle darwin64 structs.
4733         (rs6000_darwin64_function_value):  Remove.
4734         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
4735
4736 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4737
4738         PR tree-optimization/20216
4739         * tree-chrec.c (tree_fold_factorial): Delete.
4740         (tree_fold_binomial): Change argument list to take a return type
4741         and change the type of K to unsigned int.  Rewrite to avoid explicit
4742         evaluation of factorials, and (recursively) calling fold to perform
4743         compile-time arithmetic.  Return NULL on (internal) overflow.
4744         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
4745         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
4746         if any intermediate calculation overflows.
4747         (chrec_apply): Update call to chrec_evaluate.
4748
4749 2005-02-28  James E Wilson  <wilson@specifixinc.com>
4750
4751         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
4752
4753 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
4754
4755         PR c/20245
4756         * c-parser.c (c_parser_compound_statement): Return error_mark_node
4757         instead of NULL_TREE on error.
4758
4759 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
4760
4761         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
4762         (EASY_VECTOR_15_ADD_SELF): Remove.
4763         (num_insns_constant_wide): Not static.
4764         (validate_condition_mode): Not static.
4765         (toc_relative_expr_p): Not static.
4766         (legitimate_indirect_address_p): Not static.
4767         (macho_lo_sum_memory_operand): Not static.
4768         (invalid_e500_subreg): Not static.
4769         (easy_vector_same): Not static.
4770         (easy_vector_splat_const): Not static.
4771         (RS6000_SYMBOL_REF_TLS_P): Remove.
4772         (any_operand): Delete.
4773         (any_parallel_operand): Delete.
4774         (count_register_operand): Delete.
4775         (altivec_register_operand): Delete.
4776         (xer_operand): Delete.
4777         (s8bit_cint_operand): Delete.
4778         (short_cint_operand): Delete.
4779         (u_short_cint_operand): Delete.
4780         (non_short_cint_operand): Delete.
4781         (exact_log2_cint_operand): Delete.
4782         (gpc_reg_operand): Delete.
4783         (cc_reg_operand): Delete.
4784         (cc_reg_not_cr0_operand): Delete.
4785         (reg_or_short_operand): Delete.
4786         (reg_or_neg_short_operand): Delete.
4787         (reg_or_aligned_short_operand): Delete.
4788         (reg_or_u_short_operand): Delete.
4789         (reg_or_cint_operand): Delete.
4790         (reg_or_arith_cint_operand): Delete.
4791         (reg_or_add_cint64_operand): Delete.
4792         (reg_or_sub_cint64_operand): Delete.
4793         (reg_or_logical_cint_operand): Delete.
4794         (got_operand): Delete.
4795         (got_no_const_operand): Delete.
4796         (easy_fp_constant): Delete.
4797         (easy_vector_constant): Delete.
4798         (easy_vector_constant_add_self): Delete.
4799         (zero_constant): Delete.
4800         (zero_fp_constant): Delete.
4801         (volatile_mem_operand): Delete.
4802         (offsettable_mem_operand): Delete.
4803         (mem_or_easy_const_operand): Delete.
4804         (add_operand): Delete.
4805         (non_add_cint_operand): Delete.
4806         (logical_operand): Delete.
4807         (non_logical_cint_operand): Delete.
4808         (mask_operand): Delete.
4809         (mask_operand_wrap): Delete.
4810         (mask64_operand): Delete.
4811         (mask64_2_operand): Delete.
4812         (and64_operand): Delete.
4813         (and64_2_operand): Delete.
4814         (and_operand): Delete.
4815         (reg_or_mem_operand): Delete.
4816         (lwa_operand): Delete.
4817         (symbol_ref_operand): Delete.
4818         (call_operand): Delete.
4819         (current_file_function_operand): Delete.
4820         (input_operand): Delete.
4821         (rs6000_nonimmediate_operand): Delete.
4822         (rs6000_tls_symbol_ref): Delete.
4823         (save_world_operation): Delete.
4824         (restore_world_operation): Delete.
4825         (load_multiple_operation): Delete.
4826         (store_multiple_operation): Delete.
4827         (vrsave_operation): Delete.
4828         (mfcr_operation): Delete.
4829         (mtcrf_operation): Delete.
4830         (lmw_operation): Delete.
4831         (stmw_operation): Delete.
4832         (branch_comparison_operator): Delete.
4833         (branch_positive_comparison_operator): Delete.
4834         (scc_comparison_operator): Delete.
4835         (trap_comparison_operator): Delete.
4836         (boolean_operator): Delete.
4837         (boolean_or_operator): Delete.
4838         (min_max_operator): Delete.
4839         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
4840         (EASY_VECTOR_15): Moved to here.
4841         (EASY_VECTOR_15_ADD_SELF): Move to here.
4842         (PREDICATE_CODES): Delete.
4843         * config/rs6000/rs6000-protos.h: Delete predicate functions.
4844         Declare functions no longer static.
4845         * config/rs6000/predicates.md: New.
4846         * config/rs6000/rs6000.md: Include predicates.md
4847
4848 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
4849
4850         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
4851         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
4852         REG_ALWAYS_RETURN.
4853         * cfgrtl.c (need_fake_edge_p): Likewise.
4854         * combine.c (distribute_notes): Likewise.
4855         * emit-rtl.c (try_split): Likewise.
4856         * recog.c (peephole2_opimize): Likewise.
4857         * reg-notes.def (ALWAYS_RETURN): Remove.
4858         * rtl.h (LCT_ALWAYS_RETURN): Remove.
4859         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
4860         * tree.h (ECF_ALWAYS_RETURN): Remove.
4861
4862 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4863
4864         PR middle-end/19874
4865         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
4866         between different machine modes is never a "useless" conversion.
4867
4868 2005-02-28  Geert Bosch  <bosch@gnat.com>
4869
4870         PR ada/15977
4871         * doc/contrib.texi: List contributors for Ada front end
4872
4873 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
4874
4875         * simplify-rtx.c (simplify_unary_operation_1,
4876         simplify_const_unary_operation): New, extracted from...
4877         (simplify_unary_operation): ... this one.
4878         (simplify_binary_operation_1,
4879         simplify_const_binary_operation): New, extracted from...
4880         (simplify_binary_operation): ... this one.
4881         * rtl.h (simplify_const_unary_operation,
4882         simplify_const_binary_operation): Add prototypes.
4883
4884 2005-02-28  Julian Brown  <julian@codesourcery.com>
4885
4886         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
4887         building libjava and caused PR regression/20228.
4888
4889 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
4890
4891         PR bootstrap/17383
4892         * Makefile.in (host_subdir): New.
4893         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
4894         * configure: Regenerate.
4895
4896 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
4897
4898         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
4899         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
4900         installation directory first.
4901
4902 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
4903
4904         PR target/19065.
4905         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
4906         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
4907         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
4908         * config/cris/cris.md: Tweak comments referring to Q.
4909         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
4910         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
4911         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
4912         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
4913         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
4914         Insert spaces in constraints to align alternatives vertically for
4915         readability.
4916         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
4917         operand 1: "M".
4918
4919 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4920
4921         PR rtl-optimization/17728
4922         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
4923         operand 0 from general_operand to move_dest_operand.
4924
4925 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4926
4927         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
4928         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
4929         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
4930         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
4931
4932 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
4933
4934         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
4935         * configure: Regenerate.
4936         * libada-mk.in: Remove CC; rename
4937         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
4938
4939 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
4940
4941         PR tree-opt/20188
4942         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
4943         for the lhs, also walk over the tree.  Likewise for rhs.
4944
4945 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
4946
4947         * tree-ssa-dom.c (simple_iv_increment_p): New function.
4948         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
4949         Do not propagate value of iv before increment over the increment.
4950
4951 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
4952
4953         * c-parser.c: New file.
4954         * c-parse.in: Remove.
4955         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
4956         Remove.
4957         (c-parser.o): Add dependencies.
4958         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
4959         maintainer-clean, TAGS): Update.
4960         * c-config-lang.in (gtfiles): Update.
4961         * gengtype-lex.l: Don't handle "@@".
4962         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
4963         objc_build_synchronized, objc_begin_try_stmt,
4964         objc_begin_catch_clause, objc_finish_catch_clause,
4965         objc_build_finally_clause, objc_finish_try_stmt): New.
4966         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
4967         type_seen_p.
4968         (c_parse_init): Update comment.
4969         * c-decl.c (c_init_decl_processing): Update comment.
4970         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4971         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
4972         new c_declspecs members.
4973
4974 2005-02-25  Julian Brown  <julian@codesourcery.com>
4975
4976         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4977         from being used for symbols with vague linkage when
4978         HAVE_GAS_COMDAT_GROUP is true.
4979
4980 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
4981
4982         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
4983
4984 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
4985
4986         PR target/19930
4987         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
4988         (LIBGCC2_HAS_DF_MODE): New.
4989         (LIBGCC2_HAS_XF_MODE): New.
4990         (LIBGCC2_HAS_TF_MODE): New.
4991         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
4992         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
4993         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
4994         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
4995         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
4996         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
4997         and add _fixtfdi, _fixunstfdi, _floatditf
4998         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
4999         L_fixunstfdi, L_floatditf.
5000         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5001         (LIBGCC2_HAS_TF_MODE): Define.
5002
5003 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5004
5005         PR tree-optimization/20204
5006         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5007         REWRITE_THIS_STMT markers on PHI nodes.
5008         (rewrite_initialize_block): Likewise.
5009
5010 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5011
5012         * version.c (version_string): Update to 4.1.
5013
5014 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5015
5016         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5017         Clarify that the alternative way doesn't work in GNU C++.
5018
5019 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5020
5021         PR tree-optimization/19937
5022         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5023         to the type of the induction variable.
5024
5025 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5026
5027         PR rtl-optimization/20117
5028         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5029         the block including noncopyable insn.
5030
5031 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5032
5033         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5034         calls to find_reg_note.
5035
5036 2005-02-24  Richard Henderson  <rth@redhat.com>
5037
5038         PR tree-opt/20127
5039         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5040         the type.
5041
5042 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5043
5044         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5045         vector types if to use base reg for misaligned non-word ld/std.
5046
5047 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5048
5049         PR target/14619
5050         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5051         dwarf2 label manually and put it after, not before the prologue.
5052
5053 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5054
5055         PR target/19019
5056         * reload.c (operands_match_p): Only increment register number for
5057         SCALAR_INT_MODE_P modes in multiple hard registers.
5058
5059         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5060         Fix formatting.
5061
5062 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5063
5064         * ChangeLog.5: Fix log message typo(s).
5065         * ChangeLog.7: Likewise.
5066         * ChangeLog.tree-ssa: Likewise.
5067         * cfgexpand.c: Fix comment typo(s).
5068         * conflict.c: Likewise.
5069         * defaults.h: Likewise.
5070         * dwarf2out.c: Likewise.
5071         * gcse.c: Likewise.
5072         * ggc-page.c: Likewise.
5073         * tree-eh.c: Likewise.
5074         * tree-ssa-dom.c: Likewise.
5075
5076 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5077
5078         PR target/19019
5079         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5080         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5081         if SHARED is defined.
5082
5083         PR target/20196
5084         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5085         allow splitting only if operands 0 and 3 don't overlap.
5086
5087 2005-02-24  Richard Henderson  <rth@redhat.com>
5088
5089         PR middle-end/19953
5090         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5091         (fold_builtin_1): Call them.
5092         * fold-const.c (fold_complex_mult_parts): Split out from ...
5093         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5094         (fold_complex_div_parts, fold_complex_div): New.
5095         (fold): Use them.
5096         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5097
5098 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5099
5100         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5101         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5102
5103         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5104         (print_node): Likewise.
5105         Print TYPE_SIZES_GIMPLIFIED.
5106
5107 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5108
5109         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5110         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5111         operands as commutative in constraints.
5112
5113 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5114
5115         * tree-into-ssa.c: Re-organize internal functions.
5116
5117 2005-02-24  Richard Henderson  <rth@redhat.com>
5118
5119         PR middle-end/18902
5120         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5121         for c99.
5122         * common.opt (fcx-limited-range): New.
5123         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5124         * toplev.c (flag_complex_method): Initialize to 1.
5125         (process_options): Set flag_complex_method to 0 if
5126         flag_cx_limited_range.
5127         * doc/invoke.texi (-fcx-limited-range): New.
5128
5129 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5130
5131         * cse.c (delete_trivially_dead_insns): Speed up by using
5132         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5133         prev_real_insn.
5134
5135 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5136
5137         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5138         functions when -mid-shared-library is being used.
5139
5140 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5141
5142         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5143         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5144         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5145         * system.h: Poison LINK_LIBGCC_SPECIAL.
5146
5147 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5148
5149         * gengtype.c (note_insn_name): Make 1 element larger.
5150
5151 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5152
5153         PR target/20018
5154         PR rtl-optimization/20097
5155         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5156         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5157
5158 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5159
5160         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5161         * t-aix52 (SHLIB_INSTALL): Same.
5162
5163 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5164
5165         * genpreds.c: Update copyright.
5166
5167 2005-02-23  Michael Beach  <michaelb@ieee.org>
5168
5169         PR target/20159
5170         * config/sparc/t-elf (startup files): Assemble with CPP.
5171
5172 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5173
5174         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5175         (write_predicate_expr): Likewise.
5176
5177 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5178
5179         PR tree-optimization/20100
5180         PR tree-optimization/20115
5181         * tree-optimize.c (init_tree_optimization_passes): Remove
5182         pass_maybe_create_global_var.
5183         * tree-pass.h (pass_maybe_create_global_var): Remove.
5184         * tree-ssa-alias.c (aliases_computed_p): Declare.
5185         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5186         (count_calls_and_maybe_create_global_var): Remove.
5187         (pass_maybe_create_global_var): Remove.
5188         (init_alias_info): Do not declare aliases_computed_p.
5189         (maybe_create_global_var): If the function contains no
5190         call-clobbered variables and a mix of pure/const and regular
5191         function calls, create .GLOBAL_VAR.
5192         Mark all call-clobbered variables for renaming.
5193         (merge_pointed_to_info): Update comment.
5194         (add_pointed_to_var): Likewise.
5195         (is_escape_site): Likewise.
5196         Accept struct alias_info * instead of size_t *.
5197         Update all users.
5198         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5199         as necessary.
5200         * tree-ssa-operands.c (get_call_expr_operands): If
5201         ALIASES_COMPUTED_P is false, do not add call-clobbering
5202         operands.
5203         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5204         (delete_tree_ssa): Likewise.
5205
5206 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5207
5208         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5209         (do_compile): Do call it here.
5210
5211 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5212
5213         PR rtl-optimization/20017.
5214         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5215         rest_of_handle_cse2, rest_of_handle_gcse): Call
5216         delete_dead_jumptables immediately before calling cleanup_cfg.
5217
5218 2005-02-22  Devang Patel  <dpatel@apple.com>
5219
5220         PR 19952
5221         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5222         all labels
5223
5224 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5225
5226         * config/rs6000/aix.h (WINT_TYPE): Define.
5227
5228 2005-02-22  Stan Shebs  <shebs@apple.com>
5229
5230         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5231         natural alignment for 64-bit Darwin.
5232         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5233         on 64-bit Darwin.
5234         * doc/invoke.texi: Document this.
5235
5236 2005-02-22  DJ Delorie  <dj@redhat.com>
5237
5238         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5239         to make_[un]signed_type, not the mode itself.
5240
5241 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5242
5243         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5244         not available.  Use tail calls wherever possible.
5245         (make_edge): Call unchecked_make_edge to create an edge.
5246
5247         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5248         (coalesce_ssa_name): Don't check for
5249         SSANORM_USE_COALESCE_LIST.
5250         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5251
5252 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5253
5254         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5255         (rewrite_into_ssa): ... here.
5256
5257 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5258
5259         PR tree-optimization/19786
5260         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5261         tag to another's may-alias bitmap when adding to the other's list.
5262
5263 2005-02-21  DJ Delorie  <dj@redhat.com>
5264
5265         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5266         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5267         registers in unsupported ways.
5268         * expmed.c (init_expmed): Likewise.
5269
5270 2005-02-21  Stan Cox  <scox@redhat.com>
5271
5272         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5273
5274 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5275
5276         * tree-cfg.c (fold_cond_expr_cond): New.
5277         (make_edges): Call fold_cond_expr_cond.
5278         (find_taken_edge): Accept nothing but INTEGER_CST.
5279         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5280         and 1.
5281         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5282
5283         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5284         that do not belong to any basic block.
5285
5286 2005-02-21  Jeff Law  <law@redhat.com>
5287
5288         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5289         e->dest.
5290
5291 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5292
5293         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5294         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
5295         Adjust their definitions.
5296         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
5297         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
5298
5299         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
5300         genautomata.c, langhooks.c, langhooks.h, system.h,
5301         config/arm/lib1funcs.asm: Update copyright.
5302
5303 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5304
5305         * dbxout.c (dbxout_function_end): Emit Lscope label always.
5306
5307 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
5308
5309         PR bootstrap/13770
5310         * doc/install.texi: Document --with-gc.
5311
5312 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
5313
5314         * simplify-rtx.c (simplify_unary_operation): Add a missing
5315         "break" statement.
5316
5317 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5318
5319         PR tree-optimization/18663
5320         * tree-ssa-dom.c (extract_range_from_cond): Return 0
5321         if the type has variable bounds.
5322
5323 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
5324
5325         * gcse.c: Remove an obsolete comment.
5326
5327         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
5328
5329 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
5330
5331         * doc/extend.texi (Function Attributes) <Attribute const>: The
5332         attribute "pure" is below this text, not above.
5333
5334 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5335
5336         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
5337         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
5338         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
5339
5340 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
5341
5342         PR 18785
5343         * langhooks.h (struct lang_hooks): Add to_target_charset.
5344         * langhooks.c (lhd_to_target_charset): New function.
5345         * langhooks-def.h: Declare lhd_to_target_charset.
5346         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
5347         (LANG_HOOKS_INITIALIZER): Update.
5348         * c-common.c (c_common_to_target_charset): New function.
5349         * c-common.h: Declare it.
5350         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
5351         c_common_to_target_charset.
5352
5353         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
5354         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
5355         Delete definitions.
5356         * system.h: Poison them.
5357         * doc/tm.texi: Don't discuss them.
5358         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
5359         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
5360         (pp_c_char): Do not attempt to generate letter escapes for
5361         newline, tab, etc.
5362         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
5363         * config/mips/mips.c (mips_output_ascii): Likewise.
5364
5365 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
5366
5367         PR tree-optimization/19951
5368         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
5369         is abnormal.
5370
5371 2005-02-19  Steven Bosscher  <stevenb@suse.de>
5372
5373         PR middle-end/19698
5374         * function.h (struct function): New field `max_loop_depth'.
5375         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
5376         (flow_loops_find): Reset the max loop depth count before finding loops.
5377         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
5378         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
5379         (calculate_global_regs_live): Make sure the loop will terminate
5380         when the initial sets are not empty.
5381
5382 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
5383
5384         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
5385         object inside.
5386         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
5387
5388 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
5389
5390         PR other/19525
5391         * doc/invoke.texi: Remove documentation of %M spec.
5392         * gcc.c: Likewise.
5393         (init_spec): Remove %M suffix from -lgcc_s.
5394         (do_spec_1): Remove 'M' case.
5395         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
5396         to put shared libraries in the multilib directory.  Remove the
5397         shlib_so_soname substitution variable.  Don't add a multilib encoding
5398         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
5399         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
5400         SHLIB_INSTALL as well as SHLIB_LINK.
5401         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
5402         (SHLIB_NAME): Delete.
5403         (SHLIB_DIR): New macro.
5404         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
5405         (SHLIB_INSTALL): Adjust accordingly.
5406         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
5407         * config/t-slibgcc-sld: Likewise.
5408         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
5409         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
5410         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
5411         in $(SHLIB_DIR).
5412         (SHLIBUNWIND_INSTALL): Adjust accordingly.
5413         * config/i386/t-nwld (SHLIB_SONAME): Delete.
5414         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
5415         Use @shlib_base_name@ instead of @shlib_so_name@.
5416         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
5417         and @shlib_base_name@.so in @multilib_dir@.
5418         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
5419         to the install path.
5420         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
5421         (SHLIB_LINK): Remove previous workaround.
5422         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
5423         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
5424         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
5425         the install path.
5426         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
5427         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
5428         (SHLIB_INSTALL): Adjust accordingly.
5429         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
5430         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
5431         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
5432         config/t-slibgcc-elf-ver.
5433
5434 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
5435             Jakub Jelinek  <jakub@redhat.com>
5436
5437         PR tree-optimization/19828
5438         * tree-ssa-loop-im.c: Add a TODO comment.
5439         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
5440         without side-effects.
5441
5442 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5443
5444         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
5445         call fold_convert.
5446
5447 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
5448
5449         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
5450         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
5451         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
5452         functions.
5453         (ia64_reorg): Delete fixup_errata call.
5454         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
5455         (TARGET_SWITCHES): Delete -mb-step entry.
5456
5457 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
5458
5459         PR c/20043
5460         * c-typeck.c (composite_type): Handle quals in transparent unions.
5461         (type_lists_compatible_p): Likewise.
5462
5463 2005-02-18  Stan Shebs  <shebs@apple.com>
5464
5465         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
5466         expressions in the .literal8 section.
5467
5468 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
5469
5470         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
5471
5472 2005-02-18  Roger Sayle  <roger@eyesopen.com>
5473
5474         * fold-const.c (constant_boolean_node): Always create values of the
5475         specified type, don't bother calling truthvalue_conversion.
5476
5477 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5478
5479         * except.c (output_function_exception_table): Call
5480         assemble_external_libcall (eh_personality_libfunc).
5481
5482 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5483
5484         PR target/19886
5485         * config/ia64/ia64.h (struct machine_function): Add state_num.
5486         * config/ia64/ia64.c (process_epilogue,
5487         process_for_unwind_directive): Use new unwind state numbers each
5488         time rather than state 1.
5489
5490 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
5491
5492         PR target/20054
5493         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
5494         before the "*llgt_didi" pattern.
5495
5496 2005-02-18  Jason Merrill  <jason@redhat.com>
5497
5498         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
5499
5500 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
5501
5502         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
5503         (div0): Use it in place of ARM_FUNC_ALIAS.
5504         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
5505
5506 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
5507
5508         PR middle-end/20030
5509         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
5510         access, the lower bound of the array type if it exists.
5511
5512 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
5513
5514         PR c++/20008
5515         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
5516         cases that are out-of-range for the index type.
5517
5518 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5519
5520         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
5521         (estimate_case_costs): Don't call convert.
5522         * expmed.c (expand_shift): Likewise.
5523         (make_tree): Call fold_convert instead of convert.
5524
5525 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5526
5527         PR c++/19813
5528         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
5529         that ref to be marked MEM_READONLY_P doesn't have base that needs
5530         constructing.
5531
5532 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5533
5534         * genautomata.c (output_get_cpu_unit_code_func,
5535         output_cpu_unit_reservation_p): Don't generate old-style function
5536         definitions.
5537
5538 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5539
5540         PR c++/20023
5541         PR tree-optimization/20009
5542         * convert.c (convert_to_integer): Revert 2005-02-16 change.
5543
5544         PR tree-optimization/18947
5545         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5546         inline, remove all nodes that are inlined into the extern inline
5547         being redefined.
5548
5549 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5550
5551         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
5552         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
5553         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
5554         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
5555         Update copyright.
5556
5557 2005-02-17  Roger Sayle  <roger@eyesopen.com>
5558
5559         PR tree-optimization/19917
5560         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
5561         to be potentially trapping.
5562
5563 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5564
5565         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
5566
5567 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5568
5569         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
5570         tem becomes a local variable which is set to the value of the
5571         back end defined INITIAL_FRAME_ADDRESS macro.
5572         (expand_builtin_frame_address): Omit the base parameter to
5573         expand_builtin_return_addr.
5574         (expand_builtin_profile_func): Likewise.
5575         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
5576         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
5577         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
5578
5579 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
5580
5581         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
5582         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
5583         * config/frv/frv.c (frv_function_epilogue): Likewise.
5584
5585 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
5586
5587         * lambda-code (perfect_nestify): Remove mark/unmark
5588         for rewriting hack.
5589         * tree-loop-linear.c (linear_transform_loops): Add
5590         rewrite_into_ssa call so that ssa is correct for
5591         rewriting into loop closed.
5592
5593 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
5594
5595         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
5596         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
5597         BITMAP_FREE.
5598         * bt-load.c (btr_def_live_range, combine_btr_defs,
5599         migrate_btr_def, migrate_btr_defs): Likewise.
5600         * cfgcleanup.c (thread_jump): Likewise.
5601         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
5602         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
5603         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
5604         df_rd_local_compute, df_reg_info_compute): Likewise.
5605         * dominance.c (init_dom_info, free_dom_info): Likewise.
5606         * flow.c (init_propagate_block_info,
5607         free_propagate_block_info): Likewise.
5608         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
5609         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
5610         modify_reg_pav): Likewise.
5611         * loop-invariant.c (find_defs, find_invariant_insn,
5612         find_invariants, free_inv_motion_data): Likewise.
5613         * predict.c (tree_predict_by_opcode,
5614         estimate_bb_frequencies): Likewise.
5615         * stmt.c (expand_case): Likewise.
5616         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
5617         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
5618         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
5619         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
5620         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
5621         rewrite_ssa_into_ssa): Likewise.
5622         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5623         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
5624         analyze_edges_for_bb, perform_edge_inserts): Likewise.
5625         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
5626         * tree-sra.c (tree_sra): Likewise.
5627         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
5628         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5629         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
5630         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
5631         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
5632         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
5633         Likewise.
5634         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
5635         calculate_live_on_entry, calculate_live_on_exit,
5636         build_tree_conflict_graph): Likewise.
5637         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
5638         record_important_candidates, set_use_iv_cost, find_depends,
5639         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
5640         tree_ssa_iv_optimize_finalize): Likewise.
5641         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
5642         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
5643         tree_duplicate_loop_to_header_edge): Likewise.
5644         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
5645         * tree-ssa.c (verify_flow_insensitive_alias_info,
5646         verify_name_tags, verify_ssa, init_tree_ssa,
5647         delete_tree_ssa): Likewise.
5648         * tree-ssanames.c (marked_ssa_names, init_ssanames,
5649         fini_ssanames): Likewise.
5650         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
5651
5652 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
5653
5654         * config/rs6000/t-rtems: Completely reworked.
5655
5656 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5657
5658         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
5659
5660 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5661
5662         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
5663         POINTER_TYPE_P when checking that type is a pointer.
5664         (vect_get_memtag): Remove.
5665         (vect_address_analysis): Use POINTER_TYPE_P. Call
5666         vect_object_analysis with dummy parameter for memtag.
5667         (vect_object_analysis): Extract memtag (functionality that
5668         used to be in vect_get_memtag and moved here). Fix printings.
5669         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
5670         with correct parameters. Remove call to vect_get_memtag.
5671
5672 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
5673
5674         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
5675         (tree-vectorizer.o): Added missing dependencies.
5676
5677         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
5678         decleration.
5679         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
5680         declaration in tree-vectorizer.c, now has an extern declaration in
5681         tree-vectorizer.h).
5682         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5683         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5684         get_vectype_for_scalar_type, vect_is_simple_use,
5685         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5686         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
5687         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
5688         vectorizable_store, vectorizable_operation, vectorizable_assignment,
5689         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
5690         find_loop_location): Likewise.
5691
5692         * tree-vectorizer.c (langhooks.h): #include removed.
5693         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
5694         moved to tree-vectorized.h.
5695         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5696         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5697         get_vectype_for_scalar_type, vect_is_simple_use,
5698         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5699         vect_supportable_dr_alignment, new_loop_vec_info,
5700         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
5701         vect_set_verbosity_level, find_loop_location): Likewise.
5702
5703         (vect_analyze_loop): Function externalized. Declaration moved to
5704         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
5705         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
5706         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
5707         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
5708         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
5709         vect_enhance_data_refs_alignment, vect_analyze_operations,
5710         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
5711         vect_stmt_relevant_p, vect_get_loop_niters,
5712         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
5713         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
5714         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
5715         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
5716         vect_get_memtag): Likewise.
5717
5718         (vectorizable_load): Function externalized. Declaration moved to
5719         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
5720         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
5721         vect_transform_loop): Likewise.
5722         (vect_transform_stmt): Moved to tree-vect-transform.c.
5723         (vect_align_data_ref, vect_create_destination_var,
5724         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
5725         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
5726         vect_get_vec_def_for_operand, vect_init_vector,
5727         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
5728         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
5729         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
5730         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
5731         vect_do_peeling_for_loop_bound): Likewise.
5732
5733         * tree-vect-analyze.c: New file.
5734         * tree-vect-transform.c: New file.
5735
5736 2005-02-17  Jason Merrill  <jason@redhat.com>
5737
5738         PR mudflap/19319, c++/19317
5739         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
5740         slot explicit.
5741
5742 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
5743
5744         * doc/install.texi (Specific): Update link for Darwin-specific
5745         tool binary site.
5746
5747 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
5748
5749         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
5750         constant_boolean_node.
5751
5752 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
5753
5754         PR target/19019
5755         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
5756         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
5757
5758 2005-02-16  Richard Henderson  <rth@redhat.com>
5759
5760         PR 19920
5761         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
5762         with W_TYPE_SIZE.
5763         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
5764         replace uses with Wtype_MAXp1_F.
5765         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
5766         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
5767         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
5768         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
5769         and HAVE_TFMODE as appropriate.
5770         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
5771         (__floatdisf): Likewise.
5772         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
5773         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
5774         (Wtype_MAXp1_F): New.
5775         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
5776         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
5777
5778 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
5779
5780         * PR target/19162
5781         * arm.c (arm_apply_result_size): New function.
5782         * arm.h (APPLY_RESULT_SIZE): Define.
5783         * arm-protos.h (arm_apply_result_size): Add prototype.
5784         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
5785         (movxf): New expand.
5786         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
5787         (call_value_symbol): Remove predicate for operand 0.
5788         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
5789         (untyped_call): Rework to correclty return values for any type.
5790         (untyped_return): New expand.
5791         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
5792
5793 2005-02-16  Stan Shebs  <shebs@apple.com>
5794
5795         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
5796         * config/rs6000/t-darwin8: New, for 64-bit multilib.
5797
5798 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5799
5800         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
5801         configure settings on Solaris 7 and later.
5802
5803 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
5804
5805         PR tree-optimization/19865
5806         * tree-optimize.c (init_tree_optimization_passes): Run
5807         pass_may_alias after pass_sra.
5808
5809 2005-02-16  Richard Henderson  <rth@redhat.com>
5810             Stuart Hastings  <stuart@apple.com>
5811
5812         PR debug/19521
5813         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
5814         Do nothing if debug info suppressed for this function.
5815         (dbxout_begin_function): Early exit if debug info suppressed for
5816         this function.
5817
5818 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
5819
5820         PR target/20007
5821         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
5822         find_basic_blocks.
5823         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
5824
5825         PR tree-optimization/19967
5826         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
5827         expand_builtin_strchr, expand_builtin_strrchr): Take a new
5828         argument TYPE.  Adjust calls to fold_builtin_XXX.
5829         (expand_builtin, fold_builtin_1): Adjust calls to
5830         expand_builtin_XXX.
5831         (fold_builtin_strchr, fold_builtin_strpbrk,
5832         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
5833         result to a requested type TYPE.
5834
5835 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
5836
5837         PR middle-end/19857
5838         * fold-const.c (fold): Don't optimize (T)(x & cst) to
5839         (T)x & (T)cst if (T)cst overflows.
5840         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
5841         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
5842
5843 2005-02-15  Jeff Law  <law@redhat.com>
5844
5845         * gcse.c (blocks_with_calls): New bitmap.
5846         (alloc_gcse_mem): Allocate it.
5847         (free_gcse_mem): Free it.
5848         (clear_modifY_mem_tables): Clear it.
5849         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
5850         when we encounter CALL_INSNs.
5851         (compute_transp, case MEM): Handle blocks with calls separate
5852         from blocks without calls.  Use bitmap iterators rather than
5853         FOR_EACH_BB.
5854
5855 2005-02-15  Peter O'Gorman  <peter@pogma.com>
5856
5857         PR bootstrap/18810
5858         * mklibgcc.in (vis_hide): Use a temporary object file, not
5859         -o /dev/null.
5860
5861 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5862
5863         PR target/19924
5864         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
5865         access optimization.
5866
5867 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
5868             Alan Modra  <amodra@bigpond.net.au>
5869
5870         PR target/19019
5871         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
5872         (_xlqsub): Rename to __gcc_qsub.
5873         (_xlqmul): Rename to __gcc_qmul.
5874         (_xlqdiv): Rename to __gcc_qdiv.
5875         Provide versioned symbol aliases with old names.
5876         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
5877         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
5878         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
5879         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
5880         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
5881
5882 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5883
5884         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
5885         Fold ~(A - 1) and ~(A + -1) to -A.
5886
5887 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5888
5889         PR pch/14940
5890         PR target/19300
5891         * config/host-linux.c (linux_gt_pch_use_address): Copy from
5892         config/pa/pa-host.c:pa_gt_pch_use_address.
5893
5894 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
5895
5896         * tree-vn.c (get_value_handle): Make sure that given an
5897         is_gimple_min_invariant expression, we always return it.
5898
5899 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5900
5901         * passes.c (rest_of_handle_gcse): Fix a comment.
5902
5903 2005-02-15  Jeff Law  <law@redhat.com>
5904
5905         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
5906         bitmap.
5907         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
5908         (canon_list_insert, record_last_mem_set_info): Similarly.
5909         (clear_modify_mem_tables): Similarly.
5910
5911 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5912
5913         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
5914         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
5915         config/mips/mips.md, config/rs6000/aix.h,
5916         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
5917
5918 2005-02-15  Richard Henderson  <rth@redhat.com>
5919
5920         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
5921         call to be best_edge.
5922
5923 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5924
5925         * basic-block.h: Adjust the prototype for find_basic_blocks.
5926         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
5927         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
5928         find_basic_blocks.
5929
5930         * flow.c (recompute_reg_usage): Remove all arguments.
5931         * passes.c (rest_of_compilation): Adjust the call to
5932         recompute_reg_usage.
5933         * rtl.h: Adjust the prototype for recompute_reg_usage.
5934
5935 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
5936
5937         * tree-dump.c (dump_files): Update to reflect new member
5938         of dump_file_info.
5939         (dump_register): Add new argument.
5940         Set glob name.
5941         (dump_switch_p_1): Check against glob name if doglob was passed.
5942         (dump_switch_p): Check against regular first, then glob if
5943         we didn't have any hits on the dump name.
5944         * tree-optimize.c (register_one_dump_file):
5945         Pass in glob name as well.
5946         * tree-pass.h (struct dump_file_info): Add glob
5947         member.
5948
5949 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
5950
5951         PR preprocessor/16323
5952         * doc/invoke.texi: Document that -Wendif-labels is on by default.
5953
5954 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
5955
5956         PR target/19019
5957         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
5958         (trunctfdf2_internal1): New.
5959         (trunctfdf2_internal2): Renamed from trunctfdf2.
5960
5961 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
5962
5963         PR tree-optimization/19853
5964         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
5965
5966 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5967
5968         * passes.c (rest_of_handle_loop_optimize): Remove calls to
5969         delete_dead_jumptables and cleanup_cfg.
5970
5971 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
5972
5973         * reload.c (find_reloads): Swap address_reloaded flags when
5974         swapping commutative operands.
5975
5976 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
5977
5978         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
5979         Use standard_iv_increment_position for computing the bsi position
5980         for create_iv.
5981         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
5982         the bsi position.
5983
5984 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
5985
5986         PR target/17428
5987         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
5988         life range of hard registers.
5989         * value-prof.c (insn_prefetch_values_to_profile): Only
5990         scan normal insns.
5991
5992         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
5993         profile in libcalls.
5994
5995 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
5996
5997         * bitmap.h (bitmap_and_compl_into): Return bool.
5998         * bitmap.c (bitmap_and_compl_into): Return changed flag.
5999
6000 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6001
6002         PR tree-optimization/19944
6003         * fold-const.c (fold): Re-add ABS_EXPR folding.
6004
6005 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6006
6007         PR target/19019
6008         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6009         {TARGET,MASK}_XL_COMPAT.
6010         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6011         MASK_XL_COMPAT.
6012         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6013         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6014         TARGET_XL_COMPAT.
6015         (rs6000_arg_partial_bytes): Same.
6016         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6017         and XL compatibility enabled.
6018         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6019         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6020         test to final condition.
6021         (cmptf_internal2): New.
6022         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6023         xl-compat.  Add TFmode information to description.
6024
6025 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6026
6027         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6028
6029 2005-02-13  Jason Merrill  <jason@redhat.com>
6030
6031         PR c++/16405
6032         * fold-const.c (fold_indirect_ref_1): Split out from...
6033         (build_fold_indirect_ref): Here.
6034         (fold_indirect_ref): New fn.
6035         * tree.h: Declare it.
6036         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6037         (gimplify_modify_expr_rhs): Likewise.
6038         (gimplify_expr): Likewise.
6039
6040 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6041
6042         PR tree-optimization/14303
6043         PR tree-optimization/15784
6044         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6045         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6046         ABS_EXPR<x> != 0 to x != 0.
6047
6048 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6049
6050         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6051         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6052         spelling conventions.
6053
6054         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6055         delete_trivially_dead_insns too many times.
6056
6057         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6058         tem and tem2.
6059
6060 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6061
6062         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6063         (vect_is_simple_iv_evolution): Remove redundant parameter
6064         and step check.
6065         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6066         without last parameter.
6067         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6068         Return pointer step. Call vect_is_simple_iv_evolution without
6069         last parameter. Check only that the step is multiple of size
6070         type. Remove stmt_vinfo updates.
6071         (vect_get_memtag_and_dr): Remove.
6072         (vect_get_memtag): New function.
6073         (vect_address_analysis): New function.
6074         (vect_object_analysis): New function.
6075         (vect_analyze_data_refs): Call vect_object_analysis and
6076         vect_get_memtag. Update stmt_vinfo fields.
6077
6078 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6079
6080         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6081         exist and are objects. Remove checks for pointer.
6082         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6083         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6084         (vect_create_data_ref_ptr): Likewise.
6085         (vect_base_addr_differ_p): New function.
6086         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6087         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6088         Don't set the DR_BASE_NAME field of data-ref.
6089         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6090
6091 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6092
6093         * optabs.h (enum optab_index): Add new OTI_ldexp.
6094         (ldexp_optab): Define corresponding macro.
6095         * optabs.c (init_optabs): Initialize ldexp_optab.
6096         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6097         patterns.
6098         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6099         using ldexp_optab.
6100         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6101         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6102
6103         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6104         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6105         intrinsics.
6106
6107 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6108
6109         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6110         to base_address.
6111         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6112         stmt_vec_info.
6113         (vect_get_base_and_offset): Always return an address.
6114         (vect_create_addr_base_for_vector_ref): Remove treatment for
6115         different data reference types.
6116         (vect_compute_data_ref_alignment): Rename base to base_address in
6117         stmt_vec_info. Get the object in order to force its alignment.
6118         (vect_get_memtag_and_dr): Rename base to base_address in
6119         stmt_vec_info. Extract the object for memtag analysis.
6120
6121 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6122
6123         PR regression/19898.
6124         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6125         changes cc_status, use apply modified_in_p to part of cc_status
6126         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6127         body.
6128
6129 2005-02-11  Richard Henderson  <rth@redhat.com>
6130
6131         * tree-complex.c (expand_complex_libcall): New.
6132         (expand_complex_multiplication): Use it for c99 compliance.
6133         (expand_complex_division): Likewise.
6134         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6135         (fold): Call them.
6136         * builtins.c (built_in_names): Remove const.
6137         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6138         builtins.
6139         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6140         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6141         (built_in_names): Remove const.
6142         * c-common.c (c_common_type_for_mode): Handle complex modes.
6143         * flags.h, toplev.c (flag_complex_method): Rename from
6144         flag_complex_divide_method.
6145         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6146         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6147         * libgcc2.h: Declare them.
6148         * libgcc-std.ver: Export them.
6149         * mklibgcc.in (lib2funcs): Build them.
6150
6151 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6152
6153         PR tree-optimization/19876
6154         Partially revert my change from 2005-01-14
6155         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6156         (compute_antic): ...and remove the loop here.
6157
6158 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6159
6160         PR middle-end/19858
6161         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6162         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6163
6164         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6165         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6166
6167 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6168
6169         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6170         offsets for the big-endian 32-bit case.
6171
6172 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6173
6174         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6175
6176 2005-02-11  Dale Johannesen  <dalej@apple.com>
6177
6178         * cselib.c (cselib_process_insn):  Clear out regs where
6179         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6180         * reload.c (find_equiv_reg): Ditto.
6181
6182 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6183
6184         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6185         with no elements.
6186
6187         * tree.c (build_function_type_list): Work correctly if there are
6188         no arguments.
6189
6190 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6191
6192         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6193         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6194         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6195         TARGET_ZARCH instead of TARGET_64BIT.
6196
6197 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6198
6199         * config/rs6000/t-rtems:
6200         (MULTILIB_OPTIONS): Remove mcpu=602.
6201         (MUTLILIB_DIRNAMES): Remove m602.
6202         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6203         Let mcpu=602 match mcpu=603.
6204         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6205
6206 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6207
6208         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6209         signal trampolines.
6210
6211 2005-02-10  David Daney  <ddaney@avtrex.com>
6212
6213         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6214         * config/i386/linux-unwind.h: Likewise.
6215         * config/ia64/linux-unwind.h: Likewise.
6216         * config/mips/linux-unwind.h: Likewise.
6217         * config/pa/linux-unwind.h: Likewise.
6218         * config/rs6000/linux-unwind.h: Likewise.
6219         * config/s390/linux-unwind.h: Likewise.
6220         * config/sh/linux-unwind.h: Likewise.
6221         * config/sparc/linux-unwind.h: Likewise.
6222
6223 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6224
6225         PR tree-optimization/17549
6226         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6227         TER to replace a DEF with its expression if the DEF and the
6228         rhs of the expression we replace into have the same root
6229         variable.
6230
6231 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6232
6233         * config/mips/mips.md: Fix the placement of the match_scratch in the
6234         lea64 peephole2.
6235
6236 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6237
6238         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6239         Fix comment typos.
6240
6241 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6242
6243         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6244         (strip_offset): Handle addresses.
6245         (add_address_candidates): Use strip_offset.
6246         (difference_cost): Reflect strip_offset change.
6247         (force_var_cost, difference_cost): Strip nops.
6248
6249 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6250
6251         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6252
6253         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6254         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6255         config/cris/cris-protos.h, config/cris/cris.c: Update
6256         copyright.
6257
6258 2005-02-10  Jeff Law  <law@redhat.com>
6259
6260         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6261         (lookup_avail_expr): Similarly.
6262
6263 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6264
6265         * builtins.c (fold_builtin_powi): New function.
6266         (fold_builtin_1): Call it.
6267
6268 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6269
6270         PR documentation/19309
6271         * doc/cpp.texi: The __GNUC__ and related predefined macros
6272         are also defined for the "standalone" cpp.
6273         Some non-GCC compilers may also define __GNUC__.
6274
6275 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6276
6277         PR c/19342
6278         * c-typeck.c (common_type): New routine.  Old common_type renamed
6279         to...
6280         (c_common_type): ...this.
6281         (build_conditional_expr, build_binary_op): Use c_common_type instead
6282         of common_type.
6283
6284 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6285
6286         * doc/md.texi: Replace @samp{length} with @code{length}.
6287
6288 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6289
6290         PR tree-optimization/18687
6291         * tree-flow.h (find_loop_niter): Declare.
6292         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6293         Try using scev even for loops with more than one exit.
6294         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
6295         (struct ivopts_data): Added niters field.
6296         (struct nfe_cache_elt): New.
6297         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
6298         functions.
6299         (tree_ssa_iv_optimize_init): Initialize niters cache.
6300         (determine_number_of_iterations): Removed.
6301         (find_induction_variables): Do not call determine_number_of_iterations.
6302         Access niters for single exit through niter_for_single_dom_exit.
6303         (add_iv_outer_candidates): Access niters for single exit through
6304         niter_for_single_dom_exit.
6305         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
6306         number_of_iterations_cond.
6307         (iv_period): New function.
6308         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
6309         (may_replace_final_value): Take data argument.  Use
6310         niter_for_single_dom_exit.
6311         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
6312         (rewrite_use_compare): Pass data to may_eliminate_iv.
6313         (rewrite_use_outer): Pass data to may_replace_final_value.
6314         (free_loop_data): Clean up the niters cache.
6315         (tree_ssa_iv_optimize_finalize): Free the niters cache.
6316         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
6317         * tree-ssa-loop-niter.c (find_loop_niter): New function.
6318         (find_loop_niter_by_eval): Use tree_int_cst_lt.
6319         (num_ending_zeros): Moved to tree.c.
6320         * tree.h (num_ending_zeros): Declare.
6321         * tree.c (num_ending_zeros): Moved from tree.c.
6322
6323 2005-02-09  Richard Henderson  <rth@redhat.com>
6324
6325         * builtins.c (DEF_BUILTIN): Add COND argument.
6326         * tree.h (DEF_BUILTIN): Likewise.
6327         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
6328         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
6329         match.
6330         (DEF_BUILTIN_STUB): New.
6331         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
6332         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
6333         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
6334         * c-common.c (DEF_BUILTIN): Add COND argument.
6335         * tree.c (local_define_builtin): New.
6336         (build_common_builtin_nodes): New.
6337
6338 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6339
6340         * fold-const.c (fold_strip_sign_ops): New function to simplify a
6341         floating point expression ignoring the sign of the result.
6342         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
6343         (fold) <MULT_EXPR>: Use it to simplify x*x.
6344         * tree.h (fold_strip_sign_ops): Prototype here.
6345         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
6346         argument.  Use fold_strip_sign_ops to simplify the first argument.
6347         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
6348         first argument when the second argument is an even integer
6349         constant, but only with -funsafe_math_optimizations.
6350         (fold_builtin_1): Update call to fold_builtin_copysign.
6351
6352 2005-02-09  Ian Lance Taylor  <ian@airs.com>
6353
6354         PR middle-end/19583
6355         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
6356         just check whether EH_FILTER_FAILURE falls through.
6357
6358 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
6359
6360         * gcc/haifa-sched.c (schedule_block): Make queued sched group
6361         insns return to ready list in the next turn.
6362
6363 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6364
6365         PR middle-end/19402
6366         * builtins.def: New __builtin_powi[lf].
6367         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
6368         (expand_builtin_powi): New function.
6369         (expand_builtin): Dispatch to expand_builtin_powi.
6370         * libgcc2.h: Add prototypes for __builtin_powi[lf].
6371         * libgcc2.c: Add __builtin_powi[lf] implementation.
6372         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
6373         * optabs.h: Add powi_optab.
6374         * optabs.c (init_optabs): Initialize powi_optab.
6375         * doc/extend.texi: Document __builtin_powi[lf].
6376
6377 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
6378
6379         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
6380         exists.
6381
6382 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6383
6384         PR middle-end/19854
6385         * fold-const.c (try_move_mult_to_index): Remove redundant
6386         type argument.  Create ADDR_EXPR with correct type.
6387         (fold): Update callers of try_move_mult_to_index.  Convert
6388         result to the appropriate type.
6389
6390 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6391
6392         PR target/19597
6393         * config/avr/avr.c (default_rtx_costs): Delete.
6394         (avr_operand_rtx_cost): New function.
6395         (avr_rtx_costs): Completely rewrite.
6396
6397 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
6398
6399         PR target/19806
6400         * config/cris/cris.c (in_code): New variable.
6401         (cris_output_addr_const): Now a static function, a wrapper for
6402         output_addr_const.
6403         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
6404         case from old cris_output_addr_const.
6405         (cris_asm_output_label_ref): Similar for LABEL_REF.
6406         (cris_output_addr_const_extra): Similar for UNSPEC.
6407         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
6408         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
6409         * config/cris/cris-protos.h (cris_output_addr_const): Remove
6410         declaration.
6411         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
6412         (cris_asm_output_label_ref): Declare.
6413
6414 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
6415
6416         PR preprocessor/19801
6417         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
6418         filenames that changed when libcpp was moved to the toplevel.
6419
6420 2005-02-07  Roger Sayle  <roger@eyesopen.com>
6421
6422         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6423         zero extensions of BImode operands.  Call lowpart_subreg instead
6424         of gen_lowpart_common and gen_lowpart_SUBREG.
6425
6426 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
6427
6428         PR ada/19489
6429         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
6430         * configure.ac: Set cc_for_cross_gnattools.
6431         * configure: Regenerate.
6432
6433 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
6434
6435         PR target/19803
6436         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
6437
6438 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6439
6440         PR debug/19327
6441         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
6442         of nested functions.
6443
6444 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
6445
6446         * doc/extend.texi: Document deprecated extensions allowing
6447         static floating-point members to have initializers and allowing
6448         floating-point literals in integral constant expressions.
6449
6450 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
6451
6452         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
6453         config/darwin7.h, config/mips/mips.c,
6454         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
6455         Update copyright.
6456
6457         * cse.c: Update comments.
6458
6459 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
6460
6461         PR middle-end/19775
6462         * builtins.c (fold_builtin_sqrt): Transform
6463         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
6464         pow(x,y*0.5).
6465
6466 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
6467             Dorit Naishlos  <dorit@il.ibm.com>
6468
6469         * doc/invoke.texi (ftree-vectorizer-verbose): New.
6470         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
6471         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
6472         was added.
6473         * tree.h (vect_set_verbosity_level): New extern function declaration
6474         added.
6475         * tree-vectorizer.h (verbosity_levels): New enum type.
6476         * tree-vectorizer.c (vect_debug_stats): Function removed.
6477         (vect_debug_details): Likewise.
6478         (vect_verbosity_level): Global variable was defined and initialized.
6479         (vect_dump): Global variable definition.
6480         (vect_print_dump_info): New function.
6481         (vect_set_dump_settings): New function.
6482         (vect_set_verbosity_level): New function.
6483         (vectorize_loops): Add call to vect_set_dump_settings.
6484
6485         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
6486         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6487         (slpeel_tree_peel_loop_to_edge): Likewise.
6488
6489         (vect_analyze_offset_expr): Call to vect_print_dump_info with
6490         appropriate verbosity level instead of call to vect_debug_details
6491         or vect_debug_stats.
6492         (vect_get_base_and_offset):
6493         (vect_create_addr_base_for_vector_ref):
6494         (get_vectype_for_scalar_type):
6495         (vect_create_data_ref_ptr):
6496         (vect_init_vector):
6497         (vect_get_vec_def_for_operand):
6498         (vect_finish_stmt_generation):
6499         (vectorizable_assignment):
6500         (vectorizable_operation):
6501         (vectorizable_store):
6502         (vectorizable_load):
6503         (vect_transform_stmt):
6504         (vect_update_ivs_after_vectorizer):
6505         (vect_do_peeling_for_loop_bound):
6506         (vect_update_inits_of_drs):
6507         (vect_do_peeling_for_alignment):
6508         (vect_transform_loop):
6509         (vect_is_simple_use):
6510         (vect_analyze_operations):
6511         (vect_is_simple_iv_evolution):
6512         (vect_analyze_scalar_cycles):
6513         (vect_analyze_data_ref_dependence):
6514         (vect_analyze_data_ref_dependences):
6515         (vect_compute_data_ref_alignment):
6516         (vect_enhance_data_refs_alignment):
6517         (vect_analyze_data_refs_alignment):
6518         (vect_analyze_data_ref_access):
6519         (vect_analyze_data_ref_accesses):
6520         (vect_analyze_pointer_ref_access):
6521         (vect_get_memtag_and_dr):
6522         (vect_analyze_data_refs):
6523         (vect_mark_relevant):
6524         (vect_stmt_relevant_p):
6525         (vect_mark_stmts_to_be_vectorized):
6526         (vect_can_advance_ivs_p):
6527         (vect_get_loop_niters):
6528         (vect_analyze_loop_form):
6529         (vect_analyze_loop):
6530         (vectorize_loops): Likewise.
6531
6532         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
6533         (vect_update_inits_of_drs):
6534         (vect_do_peeling_for_alignment):
6535         (vect_transform_loop):
6536         (vect_analyze_operations):
6537         (vect_analyze_scalar_cycles):
6538         (vect_analyze_data_ref_dependences):
6539         (vect_analyze_data_refs_alignment):
6540         (vect_analyze_data_ref_accesses):
6541         (vect_analyze_data_refs):
6542         (vect_mark_stmts_to_be_vectorized):
6543         (vect_get_loop_niters):
6544         (vect_analyze_loop_form):
6545         (vect_analyze_loop): Likewise.
6546         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
6547
6548 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
6549
6550         PR bootstrap/19796
6551         Revert:
6552         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6553         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6554         either -ffast-math or -funsafe-math-optimizations is in use.
6555
6556         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6557         * config/mips/irix-csr.c: New file.
6558         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6559         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6560         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6561         executables.
6562
6563 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
6564
6565         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
6566         redundant, incorrect definitions.
6567
6568         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
6569         expand.
6570         ("*tls_indirect_call"): New, reference hard regs directly.
6571         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
6572
6573 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6574
6575         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
6576         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
6577
6578 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6579
6580         PR rtl-optimization/19800
6581         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
6582         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
6583         gen_lowpart.
6584
6585 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6586
6587         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
6588
6589 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
6590
6591         PR other/17135
6592         * doc/invoke.texi: Correct documentation of -freorder-functions.
6593
6594 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6595
6596         PR other/14402
6597         * doc/invoke.texi: Don't mention gccbug.
6598
6599 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6600             Andrew Pinski  <pinskia@physics.uc.edu>
6601             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
6602
6603         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6604         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
6605         into just (zero_extract:SI FOO (const_int 1) BAR).
6606
6607 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6608
6609         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
6610         macro locally.  Don't give last revision date.  Use GCC version
6611         number from gcc-common.texi.
6612         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
6613         revision date.  Use GCC version number from gcc-common.texi.
6614         Describe being a library as current state rather than as 3.x
6615         history.
6616         * doc/gcc.texi: Remove last update date.
6617         * doc/gccint.texi: Likewise.  Update copyright dates.
6618         * doc/install.texi: Update copyright dates.
6619
6620 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6621
6622         PR other/7549
6623         * doc/invoke.texi: Mention for each option included in -Wall that
6624         it is included in -Wall.
6625         * doc/gcc.texi: Update copyright and last modification date.
6626
6627 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6628
6629         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
6630         unnecessary cast to original induction variable increments.
6631
6632 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6633
6634         PR tree-optimization/18219
6635         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
6636         in distributed form.
6637
6638 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
6639
6640         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
6641         Set bitpos and offset later in the function.  Do nothing if the
6642         target is a register and if the bitfield lies completely outside
6643         that register.
6644         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
6645         here.  Return an uninitialised register if the source value is stored
6646         in a register and the bitfield lies completely outside that register.
6647
6648 2005-02-06  Steven Bosscher  <stevenb@suse.de>
6649
6650         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
6651         not SET_DEST.
6652
6653 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
6654
6655         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
6656
6657 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
6658
6659         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
6660         * config/darwin8.h: New.
6661         * config/darwin7.h: Update comment.
6662
6663 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6664             Dorit Naishlos  <dorit@il.ibm.com>
6665
6666         * tree-vectorizer.h (LOC): New type.
6667         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
6668         (loop_line_number): New field in struct _loop_vec_info.
6669         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
6670
6671         * tree-vectorizer.c (input.h): Included.
6672         (find_loop_location): New function.
6673         (vect_debug_stats): Argument changed from loop to LOC. Computation of
6674         loop line number removed.
6675         (vect_debug_details): Likewise.
6676         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
6677
6678         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
6679         call to vect_debug_details/stats changed from loop to loop_loc.
6680         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6681         (slpeel_tree_peel_loop_to_edge): Likewise.
6682
6683         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
6684         changed from NULL to UNKNOWN_LOC.
6685         (vect_get_base_and_offset):
6686         (vect_create_addr_base_for_vector_ref):
6687         (get_vectype_for_scalar_type):
6688         (vect_create_data_ref_ptr):
6689         (vect_init_vector):
6690         (vect_get_vec_def_for_operand):
6691         (vect_finish_stmt_generation):
6692         (vectorizable_assignment):
6693         (vectorizable_operation):
6694         (vectorizable_store):
6695         (vectorizable_load):
6696         (vect_transform_stmt):
6697         (vect_update_ivs_after_vectorizer):
6698         (vect_do_peeling_for_loop_bound):
6699         (vect_do_peeling_for_alignment):
6700         (vect_transform_loop):
6701         (vect_is_simple_use):
6702         (vect_analyze_operations):
6703         (vect_is_simple_iv_evolution):
6704         (vect_analyze_scalar_cycles):
6705         (vect_analyze_data_ref_dependences):
6706         (vect_compute_data_ref_alignment):
6707         (vect_enhance_data_refs_alignment):
6708         (vect_analyze_data_ref_access):
6709         (vect_analyze_data_ref_accesses):
6710         (vect_analyze_pointer_ref_access):
6711         (vect_get_memtag_and_dr):
6712         (vect_analyze_data_refs):
6713         (vect_mark_relevant):
6714         (vect_stmt_relevant_p):
6715         (vect_mark_stmts_to_be_vectorized):
6716         (vect_can_advance_ivs_p):
6717         (vect_get_loop_niters):
6718         (vect_analyze_loop):
6719         (vectorize_loops): Likewise.
6720
6721         (vectorizable_load): Argument in call to vect_debug_details/stats
6722         changed from loop to LOOP_LOC (loop_vinfo).
6723         (vect_transform_loop):
6724         (vect_analyze_operations):
6725         (vect_analyze_scalar_cycles):
6726         (vect_analyze_data_ref_dependence):
6727         (vect_enhance_data_refs_alignment):
6728         (vect_analyze_data_ref_accesses):
6729         (vect_analyze_pointer_ref_access):
6730         (vect_analyze_data_refs):
6731         (vect_analyze_loop): Likewise.
6732
6733         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
6734         changed from loop to loop_loc.
6735
6736         (vect_enhance_data_refs_alignment): Removed unused variable loop.
6737
6738 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6739             Dorit Naishlos  <dorit@il.ibm.com>
6740
6741         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
6742         declaration added.
6743         (vect_analyze_data_ref_dependences): Likewise.
6744
6745         (vect_is_simple_use): Argument changed from loop structure to
6746         loop_vect_info structure.
6747         (vect_can_advance_ivs_p): Likewise.
6748         (vect_create_index_for_vector_ref): Likewise.
6749         (vect_update_ivs_after_vectorizer): Likewise.
6750         (new_stmt_vec_info): Likewise.
6751
6752         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
6753         changed from loop to loop_vinfo.
6754         (vect_create_data_ref_ptr): First argument in call to
6755         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
6756         (vectorizable_assignment): Second argument in call to vect_is_simple_use
6757         was changed from loop to loop_vinfo.
6758         (vectorizable_operation): Likewise.
6759         (vectorizable_store): Likewise.
6760         (vect_mark_stmts_to_be_vectorized): Likewise.
6761         (vect_do_peeling_for_loop_bound): First argument in call to
6762         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
6763         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
6764         was changed from loop to loop_vinfo.
6765         (vect_analyze_data_ref_dependences): Third argument in call to
6766         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
6767
6768         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
6769         (vect_create_data_ref_ptr): Likewise.
6770         (vect_init_vector): Likewise.
6771         (vect_get_vec_def_for_operand): Likewise.
6772         (vectorizable_assignment): Likewise.
6773         (vectorizable_operation): Likewise.
6774         (vectorizable_store): Likewise.
6775         (vectorizable_load): Likewise.
6776         (vect_update_ivs_after_vectorizer): Likewise.
6777         (vect_is_simple_use): Likewise.
6778         (vect_analyze_data_ref_dependence): Likewise.
6779         (vect_analyze_pointer_ref_access): Likewise.
6780         (vect_can_advance_ivs_p): Likewise.
6781
6782         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
6783         before _stmt_vec_info.
6784         (_stmt_vec_info): Loop field replaced by loop_vec_info.
6785         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
6786         (new_stmt_vec_info): Argument changed from loop structure to
6787         loop_vect_info structure
6788
6789         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
6790         (vect_analyze_offset_expr): Avoid 80 columns overflow.
6791         (vect_create_addr_base_for_vector_ref): Likewise.
6792         (vect_analyze_pointer_ref_access): Likewise.
6793
6794 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6795
6796         PR tree-opt/19768
6797         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
6798         phi flag if the phi is abnormal.
6799
6800 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6801
6802         PR tree-opt/19736
6803         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
6804         information for the new statement.
6805
6806 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6807
6808         PR driver/19117
6809         * gcc.c (main): Include the target in -v output.
6810
6811 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
6812
6813         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
6814         Do not drop the extend if we'd have to add a paradoxical subreg
6815         later.  Include optabs.h and insn-codes.h.
6816         * Makefile.in (combine.o): Depend on $(OPTABS_H).
6817
6818 2005-02-02  Roger Sayle  <roger@eyesopen.com>
6819
6820         PR middle-end/19405
6821         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
6822         * fold-const.c (const_binop): Avoid constant folding floating
6823         point operations in modes that use composite representations.
6824         * simplify-rtx.c (simplify_binary_operation): Likewise.
6825
6826 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
6827
6828         * config/rs6000/altivec.md (altivec_dst): Make the first operand
6829         a REG, not a MEM.
6830         (altivec_dstt): Likewise.
6831         (altivec_dstst): Likewise.
6832         (altivec_dststt): Likewise.
6833         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
6834         of first operand.
6835
6836 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6837
6838         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
6839         EXPR_LOCUS from orig_cond to the new cond_stmt.
6840         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
6841         the new vec_stmt.
6842
6843 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6844
6845         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
6846         standard_iv_increment_position. Remove call to bsi_next
6847         (no need to bump the iterator anymore).
6848         (vect_create_index_for_vector_ref): Call
6849         standard_iv_increment_position. Remove second function argument.
6850         (vect_finish_stmt_generation): Remove call to bsi_next
6851         (no need to bump the iterator anymore).
6852         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
6853         to vect_create_index_for_vector_ref.
6854
6855 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6856
6857         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
6858         phis are used out of the loop.
6859
6860 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6861
6862         PR c/17807
6863         * c-decl.c (undef_nested_function): New variable.
6864         (pop_scope): Diagnose undefined nested functions.
6865         (finish_function): Don't attempt cgraph processing or genericizing
6866         if current top-level function contained an undefined nested
6867         function.  Reset undef_nested_function at the end of a top-level
6868         function.
6869
6870 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
6871
6872         * tree.c (build_int_cst_type): Take sign of the value into account
6873         when deciding whether sign extend the value.
6874
6875 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6876
6877         PR c/18502
6878         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
6879         (cpp_options, cc1_options): Change %{std*&ansi} to
6880         %{std*&ansi&trigraphs}.
6881
6882 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6883
6884         * cse.c: Update comments.
6885
6886 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
6887
6888         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
6889         arguments go on the stack.  Do not put complex doubles in odd/even
6890         pairs.
6891
6892 2005-02-02  Steven Bosscher  <stevenb@suse.de>
6893
6894         * doc/invoke.texi: Update the options enabled at -O1, -O2,
6895         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
6896         -ftree-pre, and -fthread-jumps.
6897
6898 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
6899
6900         PR tree-optimization/19578
6901         * tree-flow.h (modified_noreturn_calls): Declare.
6902         (noreturn_call_p): Declare.
6903         * tree-flow-inline.h (noreturn_call_p): New function.
6904         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
6905         * tree-cfg.c (modified_noreturn_calls): New variable.
6906         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
6907         that contain a mid-block noreturn call.
6908         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
6909
6910 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6911
6912         * df.c (df_def_record_1, df_uses_record): Don't use
6913         DF_FOR_REGALLOC.
6914         * df.h (DF_FOR_REGALLOC): Remove.
6915
6916 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6917
6918         PR c/19435
6919         * c-typeck.c (really_start_incremental_init): Reset
6920         constructor_max_index for arrays of incomplete type.
6921
6922 2005-02-02  Jeff Law  <law@redhat.com>
6923
6924         * gcse.c (struct reg_set): Store the block index where the register
6925         was set rather than the setting insn.
6926         (record_one_set, compute_transp): Corresponding changes.
6927         (pre_insert_copy_insn): Do not call replace_one_set.
6928         (replace_one_set): Remove.
6929
6930 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6931
6932         PR other/15514
6933         * doc/gcov.texi: Fix typo.
6934
6935 2005-02-01  Richard Henderson  <rth@redhat.com
6936
6937         PR target/19680
6938         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
6939         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
6940         type to bool.
6941         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
6942         * config/i386/i386-protos.h: Update.
6943
6944 2005-02-01  Steven Bosscher  <stevenb@suse.de>
6945
6946         PR tree-optimization/19217
6947         * tree-cfg.c (verify_expr): Use the data field to see if TP was
6948         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
6949         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
6950         that it is walking a PHI node.
6951
6952 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
6953
6954         * doc/extend.texi (Nested Functions): Update.
6955
6956 2005-02-01  Richard Henderson  <rth@redhat.com>
6957
6958         PR 19696
6959         * optabs.c (expand_copysign_absneg): Export.
6960         * optabs.h (expand_copysign_absneg): Declare.
6961         * config/rs6000/rs6000.md (copysigntf3): New.
6962
6963 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6964
6965         PR tree-optimization/19633
6966         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
6967         * tree-ssa-alias.c (init_alias_info): Initialize.
6968         (merge_pointed_to_info): Set.
6969         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
6970         (dump_points_to_info_for): Show value of pt_null.
6971         (struct count_ptr_d): Declare.
6972         (find_ptr_dereference): Remove.
6973         (ptr_is_dereferenced_by): Remove.
6974         (count_ptr_derefs): New local function.
6975         (count_uses_and_derefs): New local function.
6976         (compute_points_to_and_addr_escape): Call it.  If the number
6977         of dereferences is greater than zero, mark the pointer as
6978         dereferenced.  If there are fewer dereferences than uses of
6979         the pointer, the pointer's value escapes.
6980
6981 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6982
6983         PR tree-optimization/19670
6984         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
6985         here...
6986         (verify_use): ... set it here, instead.
6987
6988 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
6989
6990         * doc/sourcebuild.texi (Test directives): Fix formatting.
6991
6992         * doc/sourcebuild.texi (Test directives): Describe selector
6993         expressions.
6994
6995 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6996
6997         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
6998         specific 64-bit CPUs.
6999
7000 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7001
7002         PR target/16201
7003         * arm.c (arm_eliminable_register): New function.
7004         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7005         HOST_WIDE_INT for address offsets.
7006         * arm-protos.h (arm_eliminable_register): Add prototype.
7007
7008 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7009
7010         PR optimization/15242
7011         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7012         * basic-block.h (duplicate_computed_gotos): Add prototype.
7013         * bb-reorder.c (duplicate_computed_gotos): New function to
7014         duplicate sufficiently small blocks ending in a computed jump.
7015         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7016         if not optimizing for size.
7017         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7018         never do tail merging for blocks ending in a computed jump.
7019         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7020
7021 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7022
7023         Patch from Richard Sandiford <rsandifo@redhat.com>
7024         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7025         from inheriting a subreg equivalence with a non-spill register.
7026
7027         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7028
7029 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7030
7031         * config/frv/frv.c (movcc_fp_destination_operand): New.
7032         (gpr_or_memory_operand): Fix typo in comment.
7033         (gpr_or_memory_operand_with_scratch): New.
7034         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7035         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7036         movcc_fp_destination_operand.
7037         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7038         Legitimize memory addresses using a scratch register.
7039
7040 2005-01-31  Jeff Law  <law@redhat.com>
7041
7042         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7043         bitmap a sparse bitmap instead of a simple bitmap.
7044         (mark_def_sites_initialize_block):  Corresponding changes.
7045         (ssa_mark_def_sites_initialize_block): Likewise.
7046         (ssa_mark_phi_uses): Likewise.
7047         (mark_def_site, ssa_mark_def_sites): Likewise.
7048         (mark_def_site_blocks): Likewise.
7049         (rewrite_ssa_into_ssa): Likewise.
7050
7051         * tree-ssa-dom.c (record_cond): Pass correct variable type
7052         for last argument to htab_find_slot_with_hash.
7053
7054         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7055         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7056
7057 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7058
7059         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7060         1_mmalua.
7061
7062 2005-02-01  Eric Christopher  <echristo@redhat.com>
7063
7064         * config/mips/mips.c (override_options): Warn if -mint64
7065         is used.
7066         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7067         deprecated.
7068
7069 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7070
7071         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7072         timestamp.
7073         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7074         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7075         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7076         (cached_regno): Initialize to INVALID_REGNUM.
7077         (cse_reg_info_table_size,
7078         cse_reg_info_table_first_uninitialized,
7079         cse_reg_info_timestamp): New.
7080         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7081         get_cse_reg_info.
7082         (init_cse_reg_info, get_cse_reg_info_1): New.
7083         (get_cse_reg_info): Cache the last look-up.
7084         (new_basic_block): Update the code to clear mappings from
7085         registers to cse_reg_info entries.
7086         (cse_main): Call init_cse_reg_info.
7087
7088         * cse.c (get_cse_reg_info): Update a comment.
7089
7090 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7091
7092         PR c/19333
7093         * c-decl.c (start_decl): Do not warn about arrays of elements with
7094         an incomplete type here.
7095         (grokdeclarator): Do it here by making a pedwarn an error.
7096         * c-typeck.c (push_init_level): If there were previous errors with
7097         the constructor type, do not warn about braces for initializers.
7098         (process_init_element): Likewise for excess initializer elements.
7099
7100 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7101
7102         * cse.c (delete_trivially_dead_insn): Don't iterate.
7103
7104 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7105
7106         * config/rs6000/rs6000.md (copysignsf3): New expand.
7107         (copysigndf3): Likewise.
7108
7109 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7110
7111         * recog.c (constrain_operands): Only look for earlyclobber operand
7112         conflicts if an '&' constraint was seen.
7113
7114 2005-01-31  Marc Espie <espie@openbsd.org>
7115
7116         * config.gcc: Don't include embedded systems fragment, switches default
7117         debugging format to ELF.
7118         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7119         longer pick it up there.
7120
7121 2005-01-31  Dale Johannesen  <dalej@apple.com>
7122
7123         * doc/extend.texi (nested functions): Fix linkage description.
7124         Clarify that static is not allowed.
7125
7126 2005-01-31  Dale Johannesen  <dalej@apple.com>
7127
7128         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7129         (movdf_low_di):  Make work.
7130
7131 2005-01-31  Dale Johannesen  <dalej@apple.com>
7132
7133         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7134         Make work for 64 bit.
7135
7136 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7137             Dale Johannesen  <dalej@apple.com>
7138
7139         PR middle-end/19650
7140         * fold-const.c (fold_binary_op_with_conditional_arg):
7141         Make types match original operands, before STRIP_NOPS.
7142
7143 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7144
7145         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7146         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7147         (struct gcc_sigcontext): Delete.  Merge contents to..
7148         (struct gcc_ucontext): ..here.
7149         (get_sigcontext): Delete.
7150         (get_regs): New function, like get_sigcontext but return regs ptr.
7151         64-bit version finds regs from r1 to support vdso.
7152         (ppc_linux_aux_vector): New function.
7153         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7154         and vector regs.
7155
7156 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7157
7158         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7159         sizetype.
7160         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7161         redundant fold. Fix misalignment for MINUS_EXPR.
7162         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7163         (vect_analyze_pointer_ref_access): Likewise.
7164         (vect_get_memtag_and_dr): Likewise.
7165
7166 2005-01-31  Richard Henderson  <rth@redhat.com>
7167
7168         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7169         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7170         absnegdf2_i387, absnegxf2_i387): Likewise.
7171
7172 2005-01-31  Richard Henderson  <rth@redhat.com>
7173
7174         PR 19696
7175         * optabs.c (expand_copysign_absneg): New.
7176         (expand_copysign_bit): Split out from ...
7177         (expand_copysign): ... here.  Use expand_copysign_absneg.
7178
7179 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7180
7181         PR middle-end/19697
7182         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7183         constant as the second operand and a register as the third.
7184
7185 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7186
7187         PR target/19704
7188         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7189         that dllimport'd functions do not use all call-clobbered registers
7190         to pass parameters.
7191
7192 2005-01-30  Richard Henderson  <rth@redhat.com>
7193
7194         PR 19696
7195         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7196         expand_abs_nojump and generalize.  Use operand_subword and
7197         emit_no_conflict_block.  Support large modes.
7198         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7199         back to maximum.
7200         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7201         negation to subtraction.
7202         (expand_copysign): Check that the format has signed zeros.
7203         Use operand_subword and emit_no_conflict_block.  Support large modes.
7204
7205 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7206
7207         Fix PR tree-optimization/19624
7208
7209         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7210         * tree-ssa-pre.c: Add cfgloop.h.
7211         Update comment.
7212         (pre_stats): New member, constified.
7213         (inserted_exprs): New static variable.
7214         (NECESSARY): New macro.
7215         (create_expression_by_pieces): Fold the expression, and
7216         mark it as defaulting to not necessary. Also put in
7217         inserted_exprs.
7218         (fully_constant_expression): New function.
7219         (insert_into_preds_of_block): Modify to not insert phis when we
7220         are playing with induction variables.
7221         Push phis onto the inserted_exprs vector, and mark them as not
7222         necessary by default.
7223         (insert_aux): Call fully_constant_expression on eprime.
7224         If all edges produce the same value, mark it constant.
7225         (mark_operand_necessary): New function.
7226         (remove_dead_inserted_code): New function.
7227         (init_pre): Init loop optimizer to get loop info.
7228         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7229         (execute_pre): Commit edge inserts, then remove dead code.
7230
7231 2005-01-30  Richard Henderson  <rth@redhat.com>
7232
7233         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7234         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7235
7236 2005-01-30  Richard Henderson  <rth@redhat.com>
7237
7238         PR target/19700
7239         * config/i386/i386.c (ix86_expand_copysign): New.
7240         (ix86_split_copysign_const): New.
7241         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7242         rearrange op1/nmask operands.
7243         * config/i386/i386-protos.h: Update.
7244         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7245         (copysigndf3): Likewise.
7246         (copysignsf3_const, copysigndf3_const): New.
7247         (copysignsf3_var): Rename from copysignsf3, split out splitter
7248         and fix split predicate for X constraint.
7249         (copysigndf3_var): Similarly.
7250
7251 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7252
7253         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7254         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7255         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7256
7257 2005-01-29  Richard Henderson  <rth@redhat.com>
7258
7259         PR target/19690
7260         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7261         of # and * in constraints.
7262
7263 2005-01-29  Richard Henderson  <rth@redhat.com>
7264
7265         PR middle-end/19689
7266         * expr.c (store_field): Don't strip sub-mode cast when the input
7267         data is even smaller.
7268
7269 2005-01-29  Richard Henderson  <rth@redhat.com>
7270
7271         PR middle-end/19687
7272         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7273         union being empty.
7274
7275 2005-01-29  Richard Henderson  <rth@redhat.com>
7276
7277         * combine.c (make_field_assignment): Fix argument order
7278         to gen_int_mode.
7279
7280 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7281
7282         PR tree-optimization/15791
7283         * fold-const.c (extract_array_ref): New function.
7284         (fold): Fold comparisons between &a[i] and &a[j] or
7285         semantically equivalent trees.
7286
7287 2005-01-29  Jeff Law  <law@redhat.com>
7288
7289         * gcse.c (insert_expr_in_table): Revamp handling of available
7290         and anticipatable occurrence lists to avoid unnecessary list
7291         walking.
7292         (insert_set_in_table): Similarly.
7293
7294 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
7295
7296         * c-common.c (fix_string_type): Just use c_build_qualified_type to
7297         build string type.
7298         (c_build_qualified_type): Build qualified array types with
7299         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
7300         * c-decl.c (c_make_fname_decl): Build unqualified array type
7301         before qualified type.
7302         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
7303         type is qualified, not just if type itself is.  Don't apply
7304         qualifiers to array type when declarator is processed.  Apply
7305         qualifiers to field type whether or not it is an array type.
7306         Don't handle array types specially for applying qualifiers to
7307         variables.
7308         * c-typeck.c (composite_type): Build unqualified element type and
7309         array type when forming composite of array types.
7310         (common_pointer_type, comptypes, comp_target_types,
7311         type_lists_compatible_p, build_indirect_ref, build_array_ref,
7312         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
7313         types.
7314         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
7315         (args2) in variables a1 and a2.
7316
7317 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
7318
7319         * cse.c (n_elements_made, max_elements_made): Remove.
7320         (insert): Don't touch n_elements_made.
7321         (cse_main): Don't touch n_elements_made or max_elements_made.
7322
7323 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
7324
7325         PR target/15384
7326         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
7327         configuration part of dp-bit.c to be lost.
7328
7329 2005-01-28  Roger Sayle  <roger@eyesopen.com>
7330
7331         * expmed.c (expand_mult_highpart_optab): When attempting to use
7332         a non-widening multiplication in a wider mode, the operands need
7333         to be converted (zero or sign extended) to that mode.
7334
7335 2005-01-28  Ian Lance Taylor  <ian@airs.com>
7336
7337         PR middle-end/16558
7338         PR middle-end/19583
7339         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
7340         through if both operands fall through.
7341
7342 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7343
7344         * cse.c (fold_rtx) <PC>: Don't optimize.
7345
7346 2005-01-28  Jeff Law  <law@redhat.com>
7347
7348         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
7349         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
7350
7351 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7352
7353         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
7354         cse_reg_info_used_list_end): Remove.
7355         (cse_reg_info_list, cse_reg_info_list_free): New.
7356         (get_cse_reg_info): When allocating an instance of
7357         cse_reg_info, add it to the beginning of the cse_reg_info_list
7358         list.  Remove code to maintain cse_reg_info_used_list.
7359         (new_basic_block): Reset the free list to the beginning of
7360         cse_reg_info_list.
7361
7362 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
7363
7364         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
7365         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
7366         (frv_expand_mdpackh_builtin): New function.
7367         (frv_expand_builtin): Use it to expand __MDPACKH.
7368         * doc/extend.texi (__MDPACKH): Update documentation.
7369
7370 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
7371
7372         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
7373         SSE_FLOAT_MODE_P for use_sse computation.
7374
7375 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
7376
7377         PR target/19663
7378         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
7379
7380 2005-01-27  Richard Henderson  <rth@redhat.com>
7381
7382         * builtins.c (expand_builtin_copysign): New.
7383         (expand_builtin): Call it.
7384         * genopinit.c (optabs): Add copysign_optab.
7385         * optabs.c (init_optabs): Initialize it.
7386         (expand_copysign): New.
7387         * optabs.h (OTI_copysign, copysign_optab): New.
7388         (expand_copysign): Declare.
7389
7390         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
7391         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
7392
7393         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
7394         (ix86_expand_fp_absneg_operator): ... here.
7395         (ix86_split_copysign): New.
7396         * config/i386/i386-protos.h: Update.
7397         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
7398         (copysignsf3, copysigndf3): New.
7399
7400         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
7401         (copysignsf3, ncopysignsf3): New.
7402         (copysigndf3, ncopysigndf3): New.
7403         (copysignxf3, ncopysignxf3): New.
7404         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
7405
7406 2005-01-27  Arend Bayer  <arend.bayer@web.de>
7407             Kazu Hirata  <kazu@cs.umass.edu>
7408
7409         * cse.c: (find_best_addr): Don't call copy_rtx before calling
7410         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
7411         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
7412         NULL_RTX.
7413
7414 2005-01-27  Jeff Law  <law@redhat.com>
7415
7416         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
7417         definitions of SSA_NAMEs which are not being rewritten.
7418         (rewrite_ssa_into_ssa): Only initialize the current definition
7419         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
7420         If checking is enabled, assert that SSA_NAME_AUX is clear for all
7421         SSA_NAMEs before returning.
7422
7423 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
7424
7425         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
7426         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
7427         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
7428         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
7429         config/mips/iris6.h, config/sh/sh.c: Update copyright.
7430
7431 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7432
7433         PR middle-end/17278
7434         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
7435         higher to -O2 and higher.  Likewise for tree PRE.
7436         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
7437         and better.
7438
7439 2005-01-27  Ian Lance Taylor  <ian@airs.com>
7440
7441         PR middle-end/19583
7442         * gimple-low.c (try_catch_may_fallthru): New static function.
7443         (block_may_fallthru): Handle TRY_CATCH_EXPR.
7444         * tree-inline.c (expand_call_inline): Don't warn about reaching
7445         the end of a non-void function being inlined if the function uses
7446         a return slot.
7447
7448 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
7449
7450         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
7451
7452         PR c/18946
7453         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
7454         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
7455         (implicitly_declare): Handle error_mark_node.
7456
7457 2005-01-27  Richard Henderson  <rth@redhat.com>
7458
7459         PR tree-opt/14329
7460         * tree.h (struct tree_decl): Add debug_expr_is_from.
7461         (DECL_DEBUG_EXPR_IS_FROM): New.
7462         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
7463         * dwarf2out.c (dwarf2out_var_location): Update to match.
7464         * tree-outof-ssa.c (create_temp): Likewise.
7465         * var-tracking.c (track_expr_p): Likewise.
7466         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
7467         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
7468         * toplev.c (default_tree_printer): Likewise.
7469
7470 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
7471
7472         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
7473         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
7474
7475 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7476
7477         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
7478         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
7479         ASM_CLOBBERS): Add tree checks.
7480
7481         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
7482         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
7483         * c-common.def (SWITCH_STMT): Update to match.
7484         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
7485         macros instead of SWITCH_EXPR ones.
7486         * c-dump.c (c_dump_tree): Likewise.
7487         * c-gimplify.c (gimplify_switch_stmt): Likewise.
7488         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
7489
7490         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
7491
7492 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
7493
7494         * unwind-dw2.c (execute_stack_op): Add missing cases for
7495         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
7496
7497 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
7498
7499         * config.gcc (Obsolete configurations): Remove 'dummy', add
7500         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
7501         sparc-*-openbsd*.
7502
7503 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
7504
7505         PR tree-optimization/19633
7506         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
7507         CALL_EXPRs.
7508         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
7509         are no call-clobbered variables.
7510         * tree-outof-ssa.c (check_replaceable): Return false for calls
7511         with side-effects.
7512
7513 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
7514
7515         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
7516         even for variables with NULL DECL_INITIAL.
7517
7518 2005-01-26  Stuart Hastings  <stuart@apple.com>
7519
7520         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
7521
7522 2005-01-26  Richard Henderson  <rth@redhat.com>
7523
7524         PR middle-end/18008
7525         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7526         field's type.
7527         * expr.c (store_field): Strip conversions to odd-bit-sized types
7528         if the destination field width matches.
7529
7530 2005-01-26  Richard Henderson  <rth@redhat.com>
7531
7532         * c-decl.c, expmed.c, expr.c: Revert last change.
7533
7534 2005-01-26  Richard Henderson  <rth@redhat.com>
7535
7536         PR middle-end/18008
7537         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7538         field's type.
7539         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
7540         if we don't need the bits above those present in the current mode.
7541         * expr.c (store_field): Strip conversions to odd-bit-sized types
7542         if the destination field width matches.
7543
7544 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7545
7546         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7547         either -ffast-math or -funsafe-math-optimizations is in use.
7548
7549 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7550
7551         PR target/19293
7552         PR target/19329
7553         * config/avr/avr.c (notice_update_cc): Only set condition code for
7554         ashrqi3 if shift count > 0.
7555         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
7556         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
7557         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
7558         count <= 0 as a no-op, and shift count >= width by copying zero
7559         or sign bit to all bits of the result.
7560         * config/avr/avr.md (all shifts): Add alternatives for zero shift
7561         count, with attribute "length" set to 0 and "cc" set to "none".
7562
7563 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7564
7565         * doc/invoke.texi: Document -mTLS.
7566
7567         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
7568         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
7569         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
7570         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
7571         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
7572         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
7573         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
7574         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
7575
7576         * configure.ac: Check for a TLS capable gas.
7577
7578         * configure: Regenerate.
7579
7580 2005-01-26  Richard Henderson  <rth@redhat.com>
7581
7582         PR middle-end/18008
7583         * combine.c (make_field_assignment): Simplify store to zero_extract
7584         from a source with an overlapping mask.
7585
7586 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7587
7588         2004-11-11  Eric Christopher  <echristo@redhat.com>
7589
7590         * config/frv/frv.md: Add fr400_integer automaton. Don't
7591         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
7592         to TYPE_MACC.
7593
7594 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7595
7596         PR middle-end/16585
7597         * cfgbuild.c (make_edges): Do not clear or set
7598         current_function_has_computed_jump.
7599         * function.h (struct function): Remove the has_computed_jump field.
7600         (current_function_has_computed_jump): Do not define.
7601         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
7602         in a computed jump.  Ignore current_function_has_computed_jump.
7603
7604 2005-01-26  Richard Henderson  <rth@redhat.com>
7605
7606         PR middle-end/19515
7607         * expr.c (categorize_ctor_elements): New argument p_must_clear.
7608         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
7609         fully initialized.
7610         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
7611         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
7612         objects into static storage if they have more than one non-zero value.
7613         * tree.h (categorize_ctor_elements): Update decl.
7614
7615 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7616
7617         PR middle-end/19616
7618         * tree.h (CALL_EXPR_TAILCALL): Add comment.
7619         * calls.c (check_sibcall_argument_overlap_1): Revert the change
7620         to this function from 2004-07-10.
7621         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
7622         the current function for tail call optimizations if the address
7623         of one of it its arguments is taken.
7624
7625 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
7626
7627         * cse.c (fold_rtx): Call equiv_constant only when necessary.
7628
7629 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7630
7631         * function.c (expand_function_end): If current_function_calls_alloca,
7632         emit stack restore in a place that is reached when the function falls
7633         through at the end.
7634
7635 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
7636
7637         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
7638         rule to avoid matching inappropriate suffix rule.
7639
7640 2005-01-26  Jan Hubicka  <jh@suse.cz>
7641
7642         PR tree-optimization/19241
7643         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
7644
7645 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7646
7647         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
7648         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
7649         of doubling.
7650         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
7651         <sim*>: Always use crt1.o, regardless of N in simN.
7652         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7653         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
7654         (CRT_CALL_STATIC_FUNCTION): Remove.
7655         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
7656         use crt1.o, regardless of N in simN.
7657         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7658         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
7659         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
7660         case isystem setting.
7661         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
7662
7663 2005-01-25  Ian Lance Taylor  <ian@airs.com>
7664
7665         * gimple-low.c (block_may_fallthru): Correct handling of
7666         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
7667
7668 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7669
7670         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
7671         handlers to match indentation; nested under the mtune=* handler.
7672         Similar for mcpu= and march=.
7673
7674 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
7675
7676         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
7677         * config/mips/linux64.h (LIB_SPEC): Likewise.
7678         * config/mn10300/linux.h (LIB_SPEC): Likewise.
7679         * config/sh/linux.h (LIB_SPEC): Likewise.
7680
7681 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
7682
7683         * config/frv/frv.c (frv_legitimize_tls_address): New.
7684         (TARGET_HAVE_TLS): Define.
7685         (FRV_SYMBOL_REF_TLS_P): Define.
7686         (frv_override_options): Handle new register classes.
7687         (frv_legitimate_address_p): Reject tls addresses.
7688         (frv_legitimize_address): Handle TLS addresses.
7689         (gen_inlined_tls_plt): New.
7690         (gen_tlsmoff): New.
7691         (frv_legitimize_tls_address): New.
7692         (unspec_got_name): Add TLS entries.
7693         (got12_operand): Add R_FRV_TLSMOFF12 case.
7694         (frv_emit_move): Fixup TLS addresses.
7695         (frv_emit_movsi): Legitimize TLS addresses.
7696
7697         * config/frv/frv.h (MASK_BIG_TLS): New.
7698         (TARGET_BIG_TLS): New.
7699         (HAVE_AS_TLS): Define.
7700         (TARGET_SWITCHES): Add -mTLS and -mtls options.
7701         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
7702         (REG_CLASS_NAMES): Same.
7703         (REG_CLASS_CONTENTS): Same.
7704         (CONSTRAINT_LEN): New.
7705         (REG_CLASS_FROM_CONSTRAINT): New.
7706         (PREDICATE_CODES): Add symbolic_operand.
7707
7708         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
7709         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
7710         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
7711         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
7712         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
7713         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
7714         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
7715         GR9_REG, GR14_REG, LRREG.
7716         (type): Add load_or_call attribute.
7717         ("load_or_call"): New reservation.
7718         ("call_gettlsoff"): New.
7719         ("tls_indirect_call"): New.
7720         ("tls_load_gottlsoff12"): New.
7721         ("tlsoff_hilo"): New.
7722         ("tls_tlsdesc_ldd"): New.
7723         ("tls_tlsoff_ld"): New.
7724         ("tls_lddi"): New.
7725
7726         * config/frv/frv-protos.h (symbolic_operand): Protoize.
7727
7728         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
7729
7730         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
7731         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
7732         * config/frv/frv.c (TLS_BIAS): Define.
7733         (frv_output_dwarf_dtprel): New.
7734
7735 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
7736
7737         PR rtl-optimization/19579
7738         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
7739         both A and B, see if they don't clobber registers the other expr uses.
7740
7741 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
7742
7743         * real.c (do_add): Initialize signalling and canonical members.
7744
7745         * real.c (real_from_integer): Zero out destination.
7746
7747 2005-01-18  Jan Hubicka  <jh@suse.cz>
7748
7749         PR tree-optimize/19337
7750         * tree-inline.c (initialize_inlined_parameters): Copy
7751         saved_static_chain_decl only.
7752
7753 2005-01-25  Richard Henderson  <rth@redhat.com>
7754
7755         PR target/19556
7756         PR target/19584
7757         * config/i386/i386.c (x86_inter_unit_moves): Zero.
7758         (ix86_preferred_reload_class): Rewrite fp-constant section, with
7759         80387 enabled, to return a proper subclass.  Return the subset that
7760         overlaps with GENERAL_REGS for PLUS.
7761         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
7762
7763 2005-01-25  Richard Henderson  <rth@redhat.com>
7764
7765         PR middle-end/19609
7766         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
7767
7768 2005-01-25  Roger Sayle  <roger@eyesopen.com>
7769
7770         * expmed.c (choose_multiplier): Change interface to return the
7771         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
7772         (expand_divmod): Update calls to choose_multiplier.
7773
7774 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7775
7776         PR middle-end/19330
7777         * expmed.c (extract_bit_field): Use adjust_address instead of
7778         gen_lowpart when op0 is a MEM.
7779
7780 2005-01-24  Steven Bosscher  <stevenb@suse.de>
7781
7782         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
7783
7784 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7785
7786         * config/mips/irix-csr.c: New file.
7787         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7788         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7789         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7790         executables.
7791
7792 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
7793
7794         PR bootstrap/19364
7795         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
7796         sparc/elf.h, add sparc/sp-elf.h.
7797         (sparc-*-rtems*): Likewise.
7798         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
7799         tm-dwarf2.h, add sparc/sp-elf.h.
7800         (sparc86x-*-elf): Likewise.
7801         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
7802         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
7803         TARGET_OS_CPP_BUILTINS.
7804         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7805         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7806         Undefine it.
7807         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
7808         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
7809         (SWITCH_TAKES_ARG): Likewise.
7810         (LOCAL_LABEL_PREFIX): Likewise.
7811         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7812         (TARGET_N_FORMAT_TYPES): Delete.
7813         (TARGET_FORMAT_TYPES): Likewise.
7814         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7815         * config/sparc/elf.h: Delete.
7816         * config/sparc/sp-elf.h: New file.
7817
7818 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7819
7820         * tree-flow-inline.h (phi_arg_from_edge): Remove.
7821         * tree-flow.h: Remove the corresponding prototype.
7822         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
7823         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
7824
7825 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7826
7827         PR target/17751
7828         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
7829         for AIX ABI or ELF -fPIC.
7830         (rs6000_emit_load_toc_table): Don't create toc_section here.
7831         (rs6000_xcoff_file_start): Nor here.
7832
7833 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
7834
7835         * sh.c (ra.h): Don't #include.
7836         (hard_regs_intersect_p): New function, resurrected from ra.c.
7837
7838         * sh.c: Fix 1996 Copyright.
7839
7840 2005-01-24  Richard Henderson  <rth@redhat.com>
7841             Aldy Hernandez  <aldyh@redhat.com>
7842
7843         * regrename.c (note_sets): Handle subregs.
7844
7845 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
7846
7847         PR bootstrap/18058
7848         * genconditions.c (write_header, write_conditions): Elide file if
7849         not GCC >= 3.0.1.
7850
7851 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7852
7853         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
7854         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
7855         Update copyright.
7856
7857 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7858
7859         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
7860         expand_builtin_printf, expand_builtin_fprintf,
7861         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
7862         checking against POINTER_TYPE.
7863         (validate_arglist): Handle POINTER_TYPE code by checking
7864         POINTER_TYPE_P.
7865
7866 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
7867
7868         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
7869         init_rtlanal): New.
7870         (for_each_rtx): Call for_each_rtx_1.
7871         * rtl.h (init_rtlanal): Declare.
7872         * toplev.c (backend_init): Call init_rtlanal.
7873
7874 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7875
7876         * flow.c (propagate_one_insn): Formatting.
7877
7878         PR middle-end/19551
7879         * flow.c (libcall_dead_p): Be more conservative if unsure.
7880         If there are any instructions between insn and call, see if they are
7881         all dead before saying the libcall is dead.
7882
7883 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
7884
7885         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
7886         operand constraint for operand 0.
7887
7888 2005-01-23  Richard Henderson  <rth@redhat.com>
7889
7890         PR 19486
7891         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
7892         edges leading to join block.
7893
7894 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7895
7896         * expmed.c (expand_mult_highpart): Make static.  Change type of
7897         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
7898         (expand_divmod): Updates calls to expand_mult_highpart by using
7899         gen_int_mode to pass a CONST_INT rtx.
7900         * rtl.h (expand_mult_highpart): Remove prototype.
7901
7902 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7903
7904         * flow.c (regset_bytes, regset_size): Remove.
7905
7906         * cfganal.c: Fix a reference to Harvey's paper.
7907
7908 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7909
7910         PR rtl-optimization/19464
7911         * tree-optimize.c (init_tree_optimization_passes): Add one more
7912         copyrename pass just before out-of-ssa.
7913
7914 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
7915
7916         PR bootstrap/18058
7917         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
7918         * ggc-none.c (ggc_free): Define.
7919
7920 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7921
7922         * cse.c (max_reg, max_insn_uid): Remove.
7923         (cse_main): Don't access max_reg or max_insn_uid.
7924
7925         * c-common.c (explicit_flag_signed_bitfields,
7926         lang_statement_code_p, lang_expand_function_end): Remove.
7927         * c-common.h: Remove the corresponding declarations.
7928         * c-opts.c (c_common_handle_option): Remove all write access
7929         to explicit_flag_signed_bitfields.
7930
7931         * cgraph.c (cgraph_varpool_n_nodes): Remove.
7932         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
7933         * cgraph.h: Remove the corresponding declaration.
7934
7935         * gcse.c (null_pointer_info): Remove.
7936
7937 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7938             Eric Botcazou  <ebotcazou@libertysurf.fr>
7939
7940         * combine.c (simplify_logical): Only simplify logical expressions
7941         of the form ior(and(x,y),z) by the inverse distributive law if the
7942         result is cheaper than the original.
7943
7944 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7945
7946         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
7947         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
7948         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
7949         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
7950         config/freebsd-spec.h, config/arm/arm.h,
7951         config/h8300/h8300.md, config/i386/i386.md,
7952         config/i386/predicates.md, config/i386/sse.md,
7953         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
7954         config/vax/vax.md: Fix comment typos.  Follow spelling
7955         conventions.
7956
7957 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7958
7959         * gengtype.c (walk_type): Produce `not equal to' compares for loop
7960         tests, instead of `less than'.
7961
7962 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
7963
7964         * function.c (assign_parm_setup_block): When creating a new stack slot
7965         for a parameter, get its alignment from the parameter's DECL_ALIGN
7966         rather than the type's TYPE_ALIGN.  Make sure that the parameter
7967         is at least word aligned.
7968
7969 2005-01-22  Roger Sayle  <roger@eyesopen.com>
7970
7971         PR middle-end/19378
7972         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
7973
7974 2005-01-22  Richard Henderson  <rth@redhat.com>
7975
7976         PR target/19506
7977         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
7978         in both compare operands.
7979         (movdfcc_1_sse_max): Likewise.
7980         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
7981         (movdfcc_1_sse): Likewise.
7982         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
7983         scratch register as needed.
7984
7985 2005-01-22  Richard Henderson  <rth@redhat.com>
7986
7987         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
7988
7989         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
7990
7991 2005-01-22  Richard Henderson  <rth@redhat.com>
7992
7993         * genopinit.c (optabs): Use smin/smax for floating point too.
7994         * doc/md.texi: Update to match.  Clarify that floating point
7995         results are undefined for +0/-0 and NaN.
7996         * doc/rtl.texi: Likewise.
7997         * rtl.def (SMIN, SMAX): Likewise
7998         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
7999
8000         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8001         leading 's' to the name.
8002         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8003         smaxxf3, sminxf3): Likewise.
8004         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8005         Likewise.
8006
8007 2005-01-22  Paul Brook  <paul@codesourcery.com>
8008
8009         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8010
8011 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8012
8013         * config/s390/s390.c (struct processor_costs): New fields
8014         dlgr, dlr, dr, dsgfr, dsgr.
8015         (z900_cost, z990_cost): Values for new fields.
8016         (s390_rtx_costs): New cases MEM und COMPARE in switch
8017         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8018         DIV, MOD, UDIV, UMOD.
8019
8020 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8021
8022         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8023         into the register being decremented.
8024         ("doloop_si31", "doloop_di"): Likewise.
8025         ("*doloop_si_long"): Adapt pattern.
8026
8027 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8028
8029         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8030         access registers.
8031         (CLASS_MAX_NREGS): Likewise.
8032
8033 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8034
8035         * doc/tree-ssa.texi (Statement Operands): Add example for new
8036         must-def macro. Note deprecation of old operands interface.
8037
8038 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8039
8040         PR tree-optimization/19484
8041         * tree-cfg.c (remove_fallthru_edge): New function.
8042         (cleanup_control_flow): Remove fallthru edges from calls that are
8043         now known not to return.
8044
8045 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8046
8047         Fix PR tree-optimization/19038
8048         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8049         copies with loop variant ones.
8050
8051 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8052
8053         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8054         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8055         config/alpha/alpha.md, config/alpha/predicates.md,
8056         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8057         config/sparc/sol2.h: Update copyright.
8058
8059         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8060         first label to see if it is a nonlocal label.
8061
8062 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8063             Andrew Pinski  <pinskia@physics.uc.edu>
8064
8065         PR target/19491
8066         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8067         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8068
8069 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8070
8071         * config/rs6000/rtems.h: Update copyright.
8072
8073 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8074
8075         PR target/19548
8076         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8077         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8078         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8079
8080 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8081
8082         PR c/18809
8083         * c-typeck.c (convert_arguments): Check for error_mark_node.
8084
8085 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8086
8087         PR tree-optimization/13000
8088         * tree-inline.c: Include "tree-flow.h".
8089         (expand_call_inline): If warn_return_type, warn if non-void inline
8090         function falls through.
8091         * tree-cfg.c (execute_warn_function_return): Don't warn about
8092         control reaching end if TREE_NO_WARNING is set.  Set
8093         TREE_NO_WARNING.
8094         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8095         has been lowered.
8096         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8097         branch if we don't need one.
8098         * c-typeck.c: Include "tree-flow.h"
8099         (c_finish_bc_stmt): Don't add a goto if the current statement
8100         list doesn't fall through to the current point.
8101
8102 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8103
8104         PR rtl-optimization/576
8105         * real.c (real_arithmetic): Change return type from void to bool
8106         to return an indication that the result may be inexact.
8107         * real.h (real_arithmeric): Update prototype.
8108         * fold-const.c (const_binop):  Don't constant fold floating
8109         point expressions when the user specifies -frounding-math and
8110         the result may depend upon the run-time rounding mode.
8111         (fold_convert_const_real_from_real): Clean-up.
8112         (fold_initializer): Ignore flag_rounding_math for initializers.
8113         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8114         constant fold FP operations with flag_rounding_math if the
8115         result may depend upon the run-time rounding mode.
8116
8117 2005-01-21  Tom Tromey  <tromey@redhat.com>
8118
8119         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8120
8121 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8122
8123         * tree-cfg.c: Fix comment typos.
8124
8125 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8126
8127         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8128         around the call to rest_of_handle_branch_target_load_optimize.
8129
8130 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8131
8132         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8133         (sparc64-*-openbsd*): Likewise.
8134         (sparclite-*-elf*): Include tm-dwarf2.h.
8135         (sparc86x-*-elf*): Likewise.
8136         (sparc64-*-elf*): Likewise.
8137         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8138         (DBX_DEBUGGING_INFO): Likewise.
8139         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8140         (PREFERRED_DEBUGGING_TYPE): Likewise.
8141         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8142         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8143         (PREFERRED_DEBUGGING_TYPE): Likewise.
8144         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8145         (PREFERRED_DEBUGGING_TYPE): Likewise.
8146         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8147
8148 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8149
8150         PR target/18701
8151         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8152
8153 2005-01-20  Paul Brook  <paul@codesourcery.com>
8154
8155         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8156
8157 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8158
8159         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8160         label is first in a sequence of labels.
8161
8162         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8163
8164 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8165             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8166
8167         * doc/sourcebuild.texi (Test Directives): New.
8168
8169 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8170
8171         * real.c (real_floor): Don't leave the result uninitialized when
8172         mode is VOIDMode, but return the unrounded intermediate value.
8173         (real_ceil): Likewise.
8174
8175 2005-01-20  Paul Brook  <paul@codesourcery.com>
8176
8177         * config/arm/arm.md (insv): Use gen_int_mode.
8178
8179 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8180
8181         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8182         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8183         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8184         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8185         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8186
8187 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8188
8189         Fix PR debug/19124
8190         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8191         fbreg, so we have to assume we can't.
8192         (loc_descriptor_from_tree_1): Ditto.
8193         (containing_function_has_frame_base): New function.
8194         (add_location_or_const_value_attribute): Use it.
8195         Also try to generate a frame_base from a single element location
8196         list.
8197
8198 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8199
8200         PR tree-optimization/15349
8201         * timevar.def (TV_TREE_MERGE_PHI): New.
8202         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8203         PHI_WANTED.
8204         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8205         calls to tree_forwarder_block_p.
8206         (remove_forwarder_block_with_phi, merge_phi_nodes,
8207         gate_merge_phi, pass_merge_phi): New.
8208         * tree-optimize.c (init_tree_optimization_passes): Add
8209         pass_merge_phi.
8210         * tree-pass.h: Add an extern for pass_merge_phi;
8211
8212 2005-01-20  Richard Henderson  <rth@redhat.com>
8213
8214         PR target/19418
8215         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8216         (_mm_castps_pd, _mm_castps_si128): New.
8217         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8218
8219 2005-01-20  Richard Henderson  <rth@redhat.com>
8220
8221         PR target/19530
8222         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8223         __builtin_ia32_vec_init_v2si.
8224         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8225         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8226         (ix86_init_mmx_sse_builtins): Create it.
8227         (ix86_expand_builtin): Expand it.
8228         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8229         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8230         (vec_extractv2si_0, vec_extractv2si_1): New.
8231
8232 2005-01-20  Richard Henderson  <rth@redhat.com>
8233
8234         PR target/16533
8235         * config/i386/i386.c (ix86_expand_push): New.
8236         * config/i386/mmx.md (push<MMXMODE>1): New.
8237         * config/i386/sse.md (push<SSEMODE>1): New.
8238         * config/i386/i386-protos.h: Update.
8239
8240 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8241
8242         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8243         copyright.
8244
8245 2005-01-20  Richard Henderson  <rth@redhat.com>
8246
8247         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8248         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8249
8250 2005-01-19  Richard Henderson  <rth@redhat.com>
8251
8252         PR target/19350
8253         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8254         to V4SFmode in SSE1 fallback load path.
8255
8256 2005-01-19  Richard Henderson  <rth@redhat.com>
8257
8258         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8259         in QImode expansion to ix86_expand_vector_set.
8260         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8261
8262 2005-01-19  Richard Henderson  <rth@redhat.com>
8263
8264         PR target/19511
8265         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8266         subclass of the input class.
8267         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8268         Always true for cross-SSE1 classes.  Rationalize conditionals.
8269         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8270         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8271         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8272         (movdi_2): Add MMX/SSE zeros.
8273         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8274         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8275         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8276         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8277         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8278         (zero_extendsidi2_rex64_1): Remove.
8279         (MOV0 peephole): Check GENERAL_REG_P.
8280
8281 2005-01-19  Richard Henderson  <rth@redhat.com>
8282
8283         PR target/19427
8284         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8285         shufps elements.
8286         (ix86_expand_vector_extract): Likewise.
8287
8288 2005-01-19  Richard Henderson  <rth@redhat.com>
8289
8290         PR middle-end/19304
8291         * expr.c (emit_move_change_mode): New argument force; use
8292         simplify_gen_subreg if true.
8293         (emit_move_via_alt_mode): Merge into ...
8294         (emit_move_via_integer): ... here.
8295         (emit_move_ccmode): Use emit_move_change_mode directly.
8296
8297 2005-01-19  Richard Henderson  <rth@redhat.com>
8298
8299         PR target/19518
8300         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
8301         (alpha_preferred_reload_class): Handle CONST_VECTOR.
8302         (alpha_emit_set_const_1): Add no_output parameter; don't emit
8303         rtl if true.
8304         (alpha_emit_set_const): Likewise.  Make static.
8305         (alpha_emit_set_long_const): Make static.
8306         (alpha_extract_integer): Split out from alpha_expand_mov.
8307         (alpha_split_const_mov): Likewise.
8308         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
8309         (alpha_legitimate_constant_p): New.
8310         * config/alpha/alpha-protos.h: Update.
8311         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
8312         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
8313         * config/alpha/alpha.md (movsi): Add n alternative.
8314         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
8315         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
8316         (splitters for all of the above): Use alpha_split_const_mov.
8317         * config/alpha/predicates.md (non_add_const_operand): New.
8318         (non_zero_const_operand): New.
8319         (input_operand): Use alpha_legitimate_constant_p after reload.
8320
8321 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8322
8323         PR tree-optimization/19038
8324         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
8325         (add_candidate): Add ivs with increment in latch only if
8326         allow_ip_end_pos_p is true.
8327         (determine_iv_cost): Use empty_block_p.
8328
8329 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
8330
8331         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
8332         (compute_dominance_frontiers): Ditto.
8333
8334 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
8335
8336         PR target/19529
8337         * config/sh/t-rtems: New.
8338         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
8339
8340 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8341
8342         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
8343         the offset of the selected field.
8344
8345 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
8346
8347         * tree-cfg.c (remove_forwarder_block): Fix the check to
8348         prevent a nonlocal label from appearing in the middle of a
8349         basic block.
8350
8351 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
8352
8353         PR rtl-optimization/19462
8354         * reorg.c (find_end_label): Create return insn only if
8355         current_function_epilogue_delay_list is empty.
8356
8357 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
8358
8359         * doc/passes.texi: Remove paragraph mentioning new-ra.
8360
8361 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
8362
8363         PR rtl-optimization/15139
8364         * combine.c: Include params.h.
8365         (count_rtxs): New function.
8366         (record_value_for_reg): If replace_rtx would replace at least
8367         2 occurrences of REG in VALUE and TEM is really large, replace REG with
8368         (clobber (const_int 0)) instead of TEM.
8369         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
8370         * params.h (MAX_LAST_VALUE_RTL): New.
8371         * Makefile.in (combine.o): Depend on $(PARAMS_H).
8372         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
8373
8374         PR c/17297
8375         * c-typeck.c (digest_init): Only call build_vector if all constructor
8376         elements are *_CST nodes.
8377         * gimplify.c (gimplify_init_constructor): Likewise.
8378
8379         PR middle-end/19164
8380         * c-typeck.c (digest_init): Only call build_vector if inside_init
8381         is a CONSTRUCTOR.
8382
8383 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8384
8385         * toplev.c (init_asm_output): Remove dead #ifdef.
8386
8387 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8388
8389         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
8390
8391 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8392
8393         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
8394         accessing DECL_FUNCTION_CODE.
8395         * dojump.c (do_jump): Likewise.
8396         * gimplify.c (gimplify_call_expr): Likewise.
8397         * predict.c (expr_expected_value): Likewise.
8398         (strip_builtin_expect): Likewise.
8399         * tree-inline.c (estimate_num_insns_1): Likewise.
8400         * tree-ssa-loop-im.c (stmt_cost): Likewise
8401         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
8402         (tree_expr_nonnegative_p): Likewise.
8403
8404 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8405
8406         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
8407         variant of the load_pcrel_sym pattern.
8408         * config/sparc/sparc.md (P macro): Move to the top.
8409         (load_pcrel_sym): Macroize using P.
8410         (save_register_window): Likewise.
8411
8412 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
8413
8414         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
8415         ("sordered"): Same.
8416
8417 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
8418
8419         PR C/19472
8420         * c-typeck.c (build_asm_expr): Strip nops off
8421         input memory operands.
8422
8423 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
8424
8425         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
8426         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
8427         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
8428         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
8429
8430 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
8431
8432         PR target/19379
8433         * config/i386/i386.c (override_options): If the 80387 is disabled,
8434         then do not return FP values using FP registers.
8435
8436 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
8437
8438         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
8439         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
8440         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
8441         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
8442         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
8443         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
8444         output.h, postreload-gcse.c, postreload.c, recog.c,
8445         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
8446         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
8447         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
8448         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
8449         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
8450         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
8451         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
8452         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
8453
8454         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
8455         config/alpha/alpha.c, config/arm/vfp.md,
8456         config/i386/emmintrin.h, config/i386/i386-modes.def,
8457         config/i386/i386-protos.h, config/i386/i386.h,
8458         config/i386/pmmintrin.h, config/i386/ppro.md,
8459         config/i386/predicates.md, config/i386/xmmintrin.h,
8460         config/i860/i860.c, config/ia64/ia64-modes.def,
8461         config/ia64/ia64-protos.h, config/ia64/ia64.h,
8462         config/ia64/ia64.md, config/ia64/itanium1.md,
8463         config/ia64/itanium2.md, config/ia64/predicates.md,
8464         config/iq2000/iq2000.h, config/mips/linux64.h,
8465         config/rs6000/aix41.h, config/rs6000/aix43.h,
8466         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
8467         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8468         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
8469         config/sparc/linux64.h, config/sparc/litecoff.h,
8470         config/sparc/sp64-elf.h, config/sparc/sparc.c,
8471         config/sparc/sparc.h, config/sparc/sparc.md,
8472         config/sparc/sysv4-only.h: Update copyright.
8473
8474 2005-01-18  Richard Henderson  <rth@redhat.com>
8475
8476         PR target/19496
8477         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
8478
8479 2005-01-18  Marc Espie  <espie@openbsd.org>
8480         * config/i386/openbsdelf.h: Typo.
8481
8482 2005-01-18  Richard Henderson  <rth@redhat.com>
8483
8484         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
8485         special case for sse.
8486         * config/i386/predicates.md (sse_comparison_operator): Likewise.
8487
8488 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
8489
8490         * tree-inline.c (estimate_num_insns_1): Added cases for
8491         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
8492
8493 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8494
8495         PR rtl-optimization/19296
8496         * combine.c (simplify_comparison): Rewrite the condition under
8497         which a non-paradoxical SUBREG of a PLUS can be lifted when
8498         compared against a constant.
8499
8500 2005-01-18  Andi Kleen <ak@muc.de>
8501
8502         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
8503         * c.opt (-Wpointer-sign): Add.
8504         * doc/invoke.texi: (-Wpointer-sign): Add.
8505
8506 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8507
8508         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
8509         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
8510         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
8511         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
8512         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
8513         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
8514         for TARGET_MIX_SSE_I387.
8515         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
8516         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
8517         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
8518         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
8519         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
8520         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
8521         TARGET_MIX_SSE_I387.
8522         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
8523         from expander.
8524
8525 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8526
8527         PR target/19424
8528         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
8529         Add movaps alternative for xmm reg->reg move.
8530
8531 2005-01-17  Jeff Law  <law@redhat.com>
8532
8533         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
8534         at the end of the main DOM loop rather than just before DOM exits.
8535
8536 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
8537
8538         PR tree-optimization/19121
8539         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
8540         adding aliases to a name tag, also add them to the pointer's
8541         type tag.
8542         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
8543         sensitive alias info at all.  Only check that the two pointers
8544         have compatible pointed-to sets.
8545         * tree-ssa.c (verify_name_tags): Verify that the alias set of
8546         a pointer's type tag is a superset of the alias set of the
8547         pointer's name tag.
8548
8549 2005-01-17  James E Wilson  <wilson@specifixinc.com>
8550
8551         PR target/19357
8552         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
8553         comment to document why.
8554
8555 2005-01-17  Richard Henderson  <rth@redhat.com>
8556
8557         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
8558         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
8559         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
8560         sse2_vmsminv2df3_finite): New.
8561         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
8562         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
8563         Force op1 into register.
8564
8565 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
8566
8567         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
8568         bubblestrap from always rebuilding build directory.
8569
8570 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
8571
8572         * config/s390/s390.md ("*clc"): Remove incorrect '='.
8573         ("*cmpmem_short"): Likewise.
8574
8575 2005-01-17  Steven Bosscher  <stevenb@suse.de>
8576
8577         * basic-block.h: Document BB_* flags.
8578         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
8579         use an sbitmap instead.
8580         * sched-rgn.c (compute_trg_info): Likewise.
8581
8582 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
8583
8584         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
8585         redundant target_cpu_default and extra_parts lines.  Use the default
8586         "from-abi" ISA.
8587         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
8588         (SUBTARGET_EXTRA_SPECS): Delete.
8589         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
8590         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
8591         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
8592         and "n32" for -mabi=n32.
8593
8594 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8595
8596         PR c/5675
8597         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
8598         fold constant variables into initial values.
8599
8600 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8601
8602         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
8603
8604         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
8605         through the statements backward.
8606
8607 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8608
8609         PR middle-end/13127:
8610         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
8611         a variable set to the return value of the inlined function.
8612
8613 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
8614
8615         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
8616         when modes are tieable.
8617
8618 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
8619
8620         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
8621         of pthread_create to find out if threads are enabled.
8622         * gthr-posix95.h (__gthread_active_p): Likewise.
8623
8624 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
8625
8626         * common.opt (-fnew-ra): Remove.
8627         * ra*.*: Remove.
8628         * toplev.h (flag_new_regalloc): Remove.
8629         * Makefile.in (ra*.*): Don't mention.
8630         * passes.c (rest_of_handle_new_regalloc): Remove.
8631         (rest_of_handle_combine, rest_of_compilation): Always consider
8632         flag_new_regalloc as false.
8633         * doc/invoke.texi: Don't document -fnew-ra.
8634
8635 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
8636
8637         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
8638         last parameter to reg_scan.
8639         * loop.c (loop_optimize): Likewise.
8640         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
8641         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
8642         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8643         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8644         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
8645         * regclass.c (reg_scan): Likewise, for the declaration.
8646         * rtl.h (reg_scan): Likewise, for the prototype.
8647
8648 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8649
8650         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
8651         mark_dfs_back_edges.
8652
8653 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
8654
8655         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
8656         (compute_avail): Uses don't go in tmp_gen.
8657
8658 2005-01-16  Steven Bosscher  <stevenb@suse.de>
8659
8660         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
8661         loop to look for a free slot in a page entry.
8662
8663 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8664
8665         PR target/16304
8666         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
8667         * toplev.c (compile_file): Call process_pending_assemble_output_defs
8668         just before targetm.asm_out.file_end.
8669         * tree.h (process_pending_assemble_output_defs): Declare.
8670         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
8671         New functions.
8672         (assemble_alias): Defer generation of assembly code for defines when
8673         TARGET_DEFERRED_OUTPUT_DEFS is true.
8674         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8675         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8676         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
8677
8678 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8679
8680         PR target/19336
8681         * pa.c (pa_scalar_mode_supported_p): New function.
8682         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8683         * pa.h (MIN_UNITS_PER_WORD): Add comment.
8684
8685         * pa-protos.h (prefetch_operand): Delete.
8686         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
8687         * pa.c (prefetch_operand): Delete.
8688         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
8689         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
8690         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
8691         and prefetch_nocc_operand.
8692         * pa.md (prefetch): Rework to avoid reload problems handling short
8693         displacements when a cache control completer needs to be provided.
8694         (prefetch_32, prefetch_64): Delete.
8695         (prefetch_cc, prefetch_nocc): New patterns.
8696
8697 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
8698
8699         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
8700
8701 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8702
8703         PR ada/19388
8704         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
8705         exceeds maximum alignment for global common data.
8706         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
8707         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
8708
8709 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8710
8711         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
8712
8713 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8714
8715         * harg-reg-set.h (reg_class_names): Prototype global array.
8716         * regclass.c (reg_class_names): Declare here and initialize to
8717         REG_CLASS_NAMES.
8718         (dump_regclass): Remove local declaration of reg_class_names.
8719         (regclass): Likewise.
8720         * cfg.c (dump_flow_info): Likewise.
8721         * ra-debug.c (reg_class_names): Likewise.
8722         * regrename.c (reg_class_names): Likewise.
8723         * reload.c (reg_class_names): Likewise.
8724         * reload1.c (spill_failure): Likewise.
8725         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
8726
8727 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
8728
8729         * config/s390/s390.md ("reload_outti"): Remove predicate for
8730         output operand.  Abort if operand is not a MEM.
8731         ("reload_outdi", "reload_outdf"): Likewise.
8732
8733 2005-01-15  Marc Espie  <espie@openbsd.org>
8734
8735         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
8736         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
8737         * config/openbsd.h:  Fix C++ includes for native configurations.
8738         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
8739         Add trampoline support.
8740         * config/i386/openbsdelf.h: New.
8741
8742 2005-01-15  Marc Espie  <espie@openbsd.org>
8743
8744         * collect2.c (main): Explicitly parse -dynamic-linker option.
8745
8746 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
8747
8748         PR tree-optimization/19060
8749         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
8750         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
8751         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
8752         and handle extract_range_from_cond returning false.
8753         * fold-const.c (fold): Optimize comparisons with min/max even for
8754         width > HOST_BITS_PER_WIDE_INT.
8755
8756 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
8757
8758         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
8759         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
8760         Remove little endian multilib variants.
8761         Add mips32 multilib variant.
8762
8763 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
8764
8765         * explow.c (copy_all_reg, stabilize): Remove.
8766         * expr.h: Remove the corresponding prototypes.
8767
8768         * rtlanal.c (regs_set_between_p): Remove.
8769         * rtl.h: Remove the corresponding prototype.
8770
8771 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
8772
8773         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
8774         to rs6000_nonimmediate_operand.
8775         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
8776         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
8777         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
8778         rs6000_nonimmediate_operand.
8779         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
8780         rs6000_nonimmediate_operand.
8781
8782 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
8783
8784         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
8785
8786 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8787
8788         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
8789         on e500v2.
8790         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
8791         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
8792
8793         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
8794         (rs6k_nonimmediate_operand): New.
8795         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
8796         correctly.
8797         (legitimate_lo_sum_address_p): Same.
8798         (rs6000_legitimize_address): Same.
8799         (rs6000_legitimize_reload_address): Same.
8800         (rs6000_legitimate_address): Same.
8801         (spe_build_register_parallel): Pass DF and DC modes in a DI
8802         register.
8803
8804         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
8805         to rs6k_nonimmediate_operand.
8806
8807         * config/rs6000/spe.md ("*frob_df_di"): New.
8808         ("*frob_di_df"): New.
8809         ("*frob_di_df_2"): New.
8810         ("*mov_sidf_e500_subreg0"): New.
8811         ("*mov_sidf_e500_subreg4"): New.
8812         ("*movdf_e500_double"): Change predicate to
8813         rs6k_nonimmediate_operand.
8814
8815 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8816
8817         * postreload.c (move2add_note_store): Only call
8818         trunc_int_for_mode on scalar integers.
8819
8820 2005-01-14  Steven Bosscher  <stevenb@suse.de>
8821
8822         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
8823         replace BB_VISITED uses.
8824         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
8825         (propagate_necessity): Check the bitmap instead of BB_VISITED.
8826         (tree_dce_done): Free visited_control_parents.
8827         (perform_tree_ssa_dce): Allocate and clear it.
8828         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
8829         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
8830         instead of BB_VISITED.
8831
8832 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
8833
8834         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
8835         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
8836         Remove unused prototypes.
8837
8838 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8839
8840         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
8841         64-bit register usage.
8842         (spe_func_has_64bit_regs_p): Add FIXME note.
8843
8844 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8845
8846         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
8847         flag_finite_math_only with flag_unsafe_math_optimizations.
8848
8849 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
8850
8851         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
8852         end-of-stack check.
8853         (__tpf_eh_return): Copy TPF private stack area from the module
8854         boundary stack frame.  Add check for when module addresses are
8855         equal, but no stub address is found.
8856
8857 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
8858
8859         PR target/7525
8860         * arm.h (struct machine_function): Add call_via field.
8861         (thumb_call_via_label): Declare.
8862         * arm.c (thumb_call_via_label): New variable.
8863         (thumb_call_reg_needed): New variable.
8864         (arm_output_function_epilogue): For Thumb code, output any per-function
8865         call-indirect trampolines.
8866         (thumb_call_via_reg): New function.
8867         (arm_file_end): New function.
8868         (TARGET_ASM_FILE_END): Call arm_file_end.
8869         (aof_file_end): Likewise.
8870         * arm-protos.h (thumb_call_via_reg): Declare.
8871         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
8872         thumb_call_via_reg in normal case.
8873
8874 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
8875
8876         PR middle-end/19084
8877         PR rtl-optimization/19348
8878         * recog.c (peephole2_optimize): Do global life update if some peephole
8879         decides it doesn't need at least one of its inputs and that change
8880         influences liveness at the start of the basic block.
8881
8882         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
8883         arguments instead of 1.
8884
8885 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
8886
8887         PR middle-end/18820
8888         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
8889         zero for nested functions needing a static chain or functions
8890         with a non-constant address.
8891
8892 2005-01-13  Roger Sayle  <roger@eyesopen.com>
8893
8894         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
8895         (and (sign_extend X) C) into (zero_extend (and X C)).
8896
8897 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
8898
8899         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
8900
8901 2005-01-13  Richard Henderson  <rth@redhat.com>
8902
8903         PR target/19009
8904         PR target/19250
8905         PR target/19252
8906         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
8907         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
8908         not just TARGET_SSE.
8909         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
8910         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
8911         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
8912         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
8913         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
8914         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
8915         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
8916         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
8917         (movdicc_c_rex64): Rename with '*'.
8918         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
8919         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
8920         (movsfcc_1_387): Rename from movsfcc_1.
8921         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
8922         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
8923         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
8924         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
8925         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
8926         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
8927         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
8928         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
8929         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
8930         sse_movdfcc_const0_4): Remove.
8931         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
8932         recognize min/max early.  Update for changed sse cmove patterns.
8933         (ix86_split_sse_movcc): New.
8934         * config/i386/i386-protos.h: Update.
8935
8936 2005-01-13  Steven Bosscher  <stevenb@suse.de>
8937
8938         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
8939         (fix_stmt_v_may_defs): Likewise.
8940
8941 2005-01-13  Richard Henderson  <rth@redhat.com>
8942
8943         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
8944         for converting the mask.
8945
8946 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
8947
8948         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
8949         definition to 600.
8950
8951 2005-01-13  Richard Henderson  <rth@redhat.com>
8952
8953         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
8954         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
8955         IX86_BUILTIN_MOVDQ2Q): Remove.
8956         (IX86_BUILTIN_VEC_EXT_V4SI): New.
8957         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
8958         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
8959         shuffling.
8960         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
8961         (sse2_pextrw): Fix immediate constraint.
8962         (sse2_loadq, sse2_loadq_rex64): Remove.
8963         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
8964         Use __builtin_ia32_vec_ext_<size>.
8965         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
8966
8967 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
8968
8969         * function.c (assign_parm_setup_block): Look inside original
8970         entry_parm when inspecting PARALLEL.
8971
8972 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
8973             Joel Sherrill  <joel@oarcorp.com>
8974
8975         PR target/19399
8976         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
8977         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
8978         rtems_gxx_recursive_mutex_init.
8979         (__gthread_recursive_mutex_lock): New function.
8980         (__gthread_recursive_mutex_trylock): Likewise.
8981         (__gthread_recursive_mutex_unlock): Likewise.
8982
8983 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
8984
8985         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
8986
8987 2005-01-13  Jan Beulich  <jbeulich@novell.com>
8988
8989         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
8990         (ashrti3_internal): Indicate output is early clobber. Generate result
8991         into output rather than first input. Use move for low word of output
8992         if shift count is exactly 64.
8993         (lshrti3_internal): Likewise.
8994
8995 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
8996
8997         PR target/18329
8998         PR target/18330
8999         * reload1.c (delete_output_reload): Don't delete an output reload
9000         if the pseudo lives longer than a single basic block.  Adjust and
9001         improve wording of comment.
9002
9003 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9004
9005         PR target/19334
9006         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9007         of TYPE_SIZE where we mean the number of bytes.
9008
9009 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9010
9011         * function.c (assign_parm_setup_block): Relax condition on
9012         multi-register optimization.
9013
9014 2005-01-12  Nick Clifton  <nickc@redhat.com>
9015
9016         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9017         an "in_delay_slot" attribute of "no" to prevent them being used in
9018         delay slots.  This is forbidden because they might generate
9019         exceptions.
9020
9021 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9022
9023         PR target/19389
9024         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9025         with r->Y and Y->r.
9026
9027 2005-01-12  Nick Clifton  <nickc@redhat.com>
9028
9029         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9030         passed on to GAS) but do not define, as GAS no longer supports or
9031         needs the -m2000 option.
9032
9033 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9034
9035         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9036         type as args of unprototyped builtins aren't automatically promoted.
9037         (fold_builtin_abs): Likewise.
9038
9039 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9040
9041         * Makefile.in: Set a `build-warn' variable.
9042
9043 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9044
9045         PR tree-optimization/17949
9046         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9047         (find_interesting_uses_address): Use it.
9048
9049 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9050
9051         * regrename.c (kill_value): Handle subreg's that won't simplify.
9052
9053 2005-01-11  Richard Henderson  <rth@redhat.com>
9054
9055         PR target/13366
9056         * config/i386/i386.h (enum ix86_builtins): Move ...
9057         * config/i386/i386.c: ... here.
9058         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9059         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9060         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9061         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9062         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9063         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9064         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9065         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9066         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9067         IX86_BUILTIN_LOADDDUP): Remove.
9068         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9069         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9070         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9071         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9072         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9073         (ix86_init_builtins): Make static.
9074         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9075         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9076         if all the modes match.  Otherwise, fake it.
9077         (get_element_number, ix86_expand_vec_init_builtin,
9078         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9079         (ix86_expand_builtin): Make static.  Update for changed builtins.
9080         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9081         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9082         (ix86_expand_vector_init_duplicate): New.
9083         (ix86_expand_vector_init_low_nonzero): New.
9084         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9085         Split out from ix86_expand_vector_init; handle integer modes.
9086         (ix86_expand_vector_init): Use them.
9087         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9088         * config/i386/i386-protos.h: Update.
9089         * config/i386/predicates.md (reg_or_0_operand): New.
9090         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9091         (movv2sf_internal): Likewise.  And a splitter to match them all.
9092         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9093         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9094         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9095         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9096         (mmx_pinsrw): Fix operand ordering.
9097         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9098         rather than sse_loadss expander.
9099         (movv2df splitter): Similarly.
9100         (sse_loadss, sse_loadlss): Remove.
9101         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9102         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9103         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9104         (sse3_movddup): Rename with '*'.
9105         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9106         (sse2_loadsd): Remove.
9107         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9108         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9109         (sse2_pinsrw): Fix argument ordering.
9110         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9111         (sse2_stored): Remove 'r' destination.
9112         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9113         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9114         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9115         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9116         vec_extractv16qi, vec_initv16qi): New.
9117
9118         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9119         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9120         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9121         constructor form.
9122         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9123         (_mm_load_si128, _mm_store_si128): Likewise.
9124         (_mm_load1_pd): Use _mm_set1_pd.
9125         (_mm_load_sd): Use _mm_set_sd.
9126         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9127         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9128         (_mm_set_epi64): Use _mm_set_epi64x.
9129         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9130         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9131         _mm_setr_epi8): Use _mm_set_foo form.
9132         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9133         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9134         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9135         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9136         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9137         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9138         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9139         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9140         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9141         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9142         (_mm_movedup_pd): Use _mm_shuffle_pd.
9143         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9144         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9145         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9146         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9147         Use _mm_setzero_ps.
9148         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9149         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9150         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9151         (_mm_store_ps): Use raw dereference.
9152         (_mm_store1_ps): Use _mm_storeu_ps.
9153         (_mm_storer_ps): Use _mm_store_ps.
9154         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9155         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9156
9157 2005-01-11  Stan Shebs  <shebs@apple.com>
9158
9159         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9160         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9161
9162 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9163
9164         PR target/18761
9165         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9166         Skip all DECLs except for FIELD_DECLs.
9167
9168 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9169
9170         * config/s390/s390.c (override_options): Return error if
9171         -mbackchain, -mpacked-stack and -mhard-float are used together.
9172         (s390_va_start): Remove the backchain && packed-stack special case.
9173         (s390_gimplify_va_arg): Likewise.
9174         * doc/invoke.texi: Remove the ABI incompatibility note.
9175
9176 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9177
9178         * config/s390/s390.c (struct s390_frame_layout): Remove
9179         save_backchain_p.
9180         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9181         save_backchain_p with TARGET_BACKCHAIN.
9182
9183 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9184
9185         PR target/18916
9186         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9187         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9188         * function.c (locate_and_pad_parm): Set new field.
9189         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9190         Tweak where_pad test to include "none".  Always set mem align for
9191         stack_parm.
9192         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9193         not sufficient for type.
9194         (assign_parm_setup_block): If stack_parm is zero on entry, always
9195         make a new stack local.  Block move old stack parm if necessary
9196         to new aligned stack local.
9197         (assign_parm_setup_stack): Use a block move to handle
9198         potentially misaligned entry_parm.
9199         (assign_parms_unsplit_complex): Specify required alignment when
9200         creating stack local.
9201         * calls.c (compute_argument_addresses): Override alignment of stack
9202         arg calculated from its type with the alignment given by
9203         FUNCTION_ARG_BOUNDARY.
9204         (store_one_arg): Likewise.
9205
9206 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9207
9208         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9209         Change respective itanium_class attribute to ialu.
9210         (shladdp4_internal): New.
9211         * config/ia64/predicates.md (shladd_log2_operand): New.
9212
9213 2005-01-11  Richard Henderson  <rth@redhat.com>
9214
9215         * expr.c (store_constructor): Use rtvec_alloc instead of
9216         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9217
9218 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9219
9220         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9221
9222 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9223
9224         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9225         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9226         (TARGET_RWRELOC): Define.
9227         (ia64_rwreloc_section_type_flags): Delete.
9228         (ia64_section_type_flags): New function.
9229         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9230         (TARGET_RWRELOC): Define.
9231
9232 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9233
9234         PR target/18987
9235         * config/ia64/ia64.c (process_set): For alloc insn, only call
9236         process_epilogue is !frame_pointer_needed.
9237
9238 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9239
9240         PR c++/19355
9241         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9242         unary operator and can't be treated as a binary/comparison operator.
9243
9244 2005-01-10  Richard Henderson  <rth@redhat.com>
9245
9246         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9247         (ix86_return_in_memory): Likewise.
9248         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9249         for choosing register to advance.
9250
9251 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9252
9253         * tree-vectorizer.c, tree.def: Fix comment typos.
9254
9255 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9256
9257         * config/s390/s390.c (struct processor_costs): 4 new fields:
9258         ddbr, ddr, debr, der.
9259         (s390_rtx_costs): More precise handling of divide instructions.
9260
9261 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9262
9263         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9264
9265 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9266
9267         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9268         names resulting from -ffunction-sections/-fdata-sections and linkonce
9269         ones.
9270         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9271         based on the section name. Rearrange the section name comparison logic
9272         slightly so that each section name is compared against at most once.
9273
9274 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9275
9276         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9277         targets for which -fPIC reduces limitations on the GOT size.
9278
9279 2005-01-09  Falk Hueffner  <falk@debian.org>
9280
9281         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9282         X/C1 cmpop C2.
9283
9284 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9285
9286         PR target/18720
9287         * collect2.c (main): Set aixrtl_flag for -brtl option.
9288         (resolve_lib_name): Search for .so file extension before .a
9289         if aixrtl_flag set.
9290
9291 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9292
9293         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9294         (vect_analyze_data_refs_alignment): Add dump prints.
9295
9296 2005-01-09  Ira Rosen  <irar@il.ibm.com>
9297
9298         * tree-vectorizer.c (vect_analyze_offset_expr): Use
9299         expr_invariant_in_loop_p.
9300         Initialize outputs first thing in the function.
9301         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
9302         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
9303         (vect_analyze_pointer_ref_access): Check that the initial condition of
9304         the access function is loop invariant.
9305
9306 2005-01-09  Richard Henderson  <rth@redhat.com>
9307
9308         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
9309         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
9310         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
9311         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
9312         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
9313         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
9314         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
9315         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
9316         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
9317         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9318         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9319         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
9320         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
9321         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
9322         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
9323         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
9324         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9325         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9326         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
9327         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
9328         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
9329         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
9330         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
9331         mmx_ prefix.
9332         (mmx_clrdi, pavgusb): Remove.
9333         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
9334         with leading sse_ prefix.
9335         * config/i386/sse.md: Receive them.
9336         * config/i386/mmx.md: New file.
9337         (MMXMODE12, MMXMODE24, mmxvecsize): New.
9338         (subrv2sf3): Turn into expander for normal subtraction.
9339         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
9340         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
9341         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
9342         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
9343         commutative; use ix86_binary_operator_ok.
9344         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
9345         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
9346         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
9347         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
9348         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
9349         Macroize from existing patterns; use ix86_binary_operator_ok.
9350         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
9351         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
9352         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
9353         with vec_select+vec_concat.
9354         (mmx_pshufw, mmx_pshufw_1): Likewise.
9355         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
9356         (mmx_uavgv4hi3): Model correctly.
9357         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
9358         _mm_xor_si64): Remove casts.
9359
9360 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
9361
9362         PR tree-optimization/19224
9363         * tree-scalar-evolution.c (get_instantiated_value,
9364         set_instantiated_value): New functions.
9365         (instantiate_parameters_1): Cache the results.
9366         (instantiate_parameters, resolve_mixers): Initialize and free
9367         the cache.
9368
9369 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
9370
9371         * config/i386/i386.md (addhi_4): Correct reference in comment.
9372         (addqi_4): Same.
9373
9374 2005-01-08  Richard Henderson  <rth@redhat.com>
9375
9376         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
9377         (_mm_cvtsi128_si64x): Likewise.
9378         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
9379         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
9380         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
9381         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
9382         * config/i386/i386-protos.h: Update.
9383         * config/i386/i386.c (print_operand): Add 'H'.
9384         (ix86_fixup_binary_operands): Split out from ...
9385         (ix86_expand_binary_operator): ... here.
9386         (ix86_fixup_binary_operands_no_copy): New.
9387         (ix86_expand_fp_absneg_operator): Handle vector mode results.
9388         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
9389         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
9390         (safe_vector_operand): Use CONST0_RTX.
9391         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
9392         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
9393         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
9394         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
9395         special cases.
9396         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
9397         (IX86_BUILTIN_CMPNGESS): New.
9398         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
9399         (attr type): Add sselog1.
9400         (attr unit, attr memory): Handle it.
9401         (movti, movti_internal, movti_rex64): Move near other integer moves.
9402         (movtf, movtf_internal): Move near other fp moves.
9403         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
9404         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
9405         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
9406         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
9407         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
9408         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
9409         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
9410         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
9411         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
9412         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
9413         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
9414         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
9415         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9416         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9417         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
9418         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
9419         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
9420         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
9421         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
9422         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
9423         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
9424         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
9425         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
9426         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
9427         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
9428         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
9429         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
9430         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
9431         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
9432         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
9433         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
9434         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
9435         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
9436         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
9437         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
9438         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
9439         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
9440         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
9441         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
9442         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
9443         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
9444         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
9445         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
9446         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
9447         same time.
9448         (SSEPUSH, push<SSEPUSH>): Remove.
9449         (MMXPUSH, push<MMXPUSH>): Remove.
9450         (sse_movaps, sse_movaps_1, sse_movups): Remove.
9451         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
9452         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
9453         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
9454         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
9455         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
9456         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
9457         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
9458         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
9459         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
9460         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
9461         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
9462         (ppro_sse_log_V4SF): Handle sselog1.
9463         * config/i386/predicates.md (const_0_to_1_operand): New.
9464         (const_0_to_255_mul_8_operand): New.
9465         (const_1_to_31_operand): Rename from const_int_1_31_operand.
9466         (const_2_to_3_operand, const_4_to_7_operand): New.
9467         * config/i386/sse.md: New file.
9468         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
9469         (sse_movups): Rename from sse_movups_1.
9470         (sse_loadlss): Rename from sse_loadss_1.
9471         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
9472         from the name.
9473         (negv4sf2): Use ix86_expand_fp_absneg_operator.
9474         (absv4sf2, negv2df, absv2df): New.
9475         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
9476         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
9477         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
9478         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
9479         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
9480         (sse3_addsubv4sf3): Model correctly.
9481         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
9482         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
9483         (sse_movhlps): Model with vec_select+vec_concat.
9484         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
9485         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
9486         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
9487         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
9488         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
9489         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
9490         sse2_pshufhw_1): Likewise.
9491         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
9492         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
9493         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
9494         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
9495         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
9496         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
9497         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
9498         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
9499         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
9500         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
9501         sminv8hi3): Mark commutative
9502         operands.  Use ix86_binary_operator_ok.
9503         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
9504         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
9505         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
9506         sse2_punpcklqdq): Allow operand2 in memory.
9507         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
9508         sse2_movsd): Add memory alternatives.
9509         (sse_storelps): Turn expander into an insn; split after reload.
9510         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
9511         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
9512
9513 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9514
9515         * configure.ac (DWARF-2 debug_line): Use objdump.
9516         * configure: Regenerate.
9517
9518 2005-01-08  Jeff Law  <law@redhat.com>
9519             Diego Novillo  <dnovillo@redhat.com>
9520
9521         PR tree-optimization/18241
9522         * tree-nrv.c (tree_nrv): Ignore volatile return values.
9523         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
9524         statements with volatile operands.
9525         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
9526         operands after marking a statement with has_volatile_ops.
9527
9528 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9529
9530         * tree.c (int_fits_type_p): Always honor integer constant
9531         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
9532
9533 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9534
9535         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
9536         the latent bug in rtl_delete_block has been resolved.
9537
9538 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9539
9540         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
9541         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
9542
9543 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9544
9545         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
9546         library as @multilib_dir@/$(SHLIB_SONAME).
9547
9548 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9549
9550         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
9551         * configure: Regenerate.
9552
9553 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9554
9555         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
9556         TYPE_MODE.
9557
9558 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
9559
9560         PR target/13674
9561         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9562         Convert non-word aligned offset address using ld/std into
9563         indirect address.
9564
9565 2005-01-07  Richard Henderson  <rth@redhat.com>
9566
9567         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
9568
9569 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
9570
9571         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
9572
9573 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9574
9575         PR tree-optimization/19283
9576         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
9577         is not shorter than the original type.
9578
9579         PR rtl-optimization/19012
9580         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
9581
9582         PR rtl-optimization/18861
9583         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
9584         (FULL_STATE): Define.
9585         (mark_tablejump_edge): New function.
9586         (purge_dead_tablejump_edges): New function.
9587         (find_bb_boundaries): Use it.
9588
9589         PR tree-optimization/18828
9590         * builtins.c (expand_builtin_next_arg): Remove argument and all
9591         the argument checking.
9592         (expand_builtin): Adjust caller.
9593         (expand_builtin_va_start): Likewise.  Remove error for too many
9594         arguments.
9595         (fold_builtin_next_arg): Issue error for too many arguments.
9596         After checking arguments, replace them with magic arguments that
9597         prevent further checking of the args.
9598
9599 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9600
9601         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
9602
9603 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9604
9605         PR target/6077
9606         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
9607         and %{.S:...} (and their negative variants) to test whether the
9608         input file is assembler or pre-processed-assembler independent of
9609         the actual filename extension.
9610
9611 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9612
9613         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
9614         of sign or zero extended values.
9615
9616 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
9617
9618         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
9619         for IBM long double format correctly.
9620
9621 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
9622
9623         Fix PR tree-optimization/18792
9624
9625         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
9626         to first_loop_depth, and use loop depth instead of loop number.
9627         (build_classic_dir_vector): Ditto.
9628         (compute_data_dependences_for_loop): Use depth, not loop number.
9629         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
9630         number. Pass in loops, instead of loop numbers.
9631         (gather_interchange_stats): Ditto.
9632         (linear_transform_loops): Ditto.
9633
9634 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
9635
9636         PR rtl-opt/13299
9637         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
9638         biv_fits_mode_p, extension_within_bounds_p): New functions.
9639         (check_ext_dependent_givs): Use them.
9640
9641 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9642
9643         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
9644         more than one barrier, in which case we should delete them all.
9645
9646 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
9647
9648         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
9649
9650 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
9651
9652         Fix PR middle-end/19286
9653         Fix PR debug/19267
9654         * dwarf2out.c (gen_subprogram_die): If we've already tried to
9655         output this subprogram, simply ignore this attempt to do it again.
9656         (add_abstract_origin_attribute): Don't abort trying to add the abstract
9657         origin attribute if it's not possible.
9658         (gen_block_die): Don't ignore subblocks of "unused" blocks.
9659         (decls_for_scope): Ditto.
9660         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
9661         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
9662
9663 2005-01-05  Richard Henderson  <rth@redhat.com>
9664
9665         PR target/11327
9666         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
9667         (bdesc_2arg): Use it.
9668         (ix86_expand_binop_builtin): Force operands into registers
9669         when optimizing.
9670         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
9671         ix86_expand_sse_compare, ix86_expand_sse_comi,
9672         ix86_expand_builtin): Likewise.
9673
9674 2005-01-05  Richard Henderson  <rth@redhat.com>
9675
9676         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
9677         and VEC_SELECT.
9678         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
9679         (mulv4hi3): Set itanium_class mmmul.
9680         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
9681         (fpack): Rename from fpack_sfsf.
9682
9683 2005-01-05  Richard Henderson  <rth@redhat.com>
9684
9685         PR rtl-opt/10692
9686         * reload1.c (do_input_reload): Restrict the optimization deleteing
9687         a previous output reload to RELOAD_FOR_INPUT.
9688
9689 2005-01-05  Steven Bosscher  <stevenb@suse.de>
9690
9691         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
9692         comment that we fall through after case.
9693         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
9694         (distribute_links): Likewise.
9695         * cse.c (cse_insn): Likewise.
9696         * cselib.c (cselib_invalidate_mem): Likewise.
9697         * df.c: Update comments at the top of the file.
9698         (read_modify_subreg_p): Update comments here too.
9699         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
9700         * flow.c (mark_set_1): Likewise.
9701         (mark_used_regs): Likewise.
9702         * gcse.c (mems_conflict_for_gcse_p): Likewise.
9703         (canon_list_insert): Likewise.
9704         (mark_set): Likewise.
9705         (try_replace_reg): Likewise.
9706         (store_killed_in_insn): Likewise.
9707         * loop.c (count_one_set): Likewise.
9708         (basic_induction_var): Likewise.
9709         * postreload-gcse.c (find_mem_conflicts): Likewise.
9710         * postreload.c (reload_combine_note_store): Likewise.
9711         (move2add_note_store): Likewise.
9712         * reload.c (find_equiv_reg): Likewise.
9713         (mark_referenced_resources): Likewise.
9714         * rtlanal.c (set_noop_p): Likewise.
9715         (note_stores): Likewise.
9716         (note_uses): Likewise.
9717         * sched-deps.c (sched_analyze_1): Likewise.
9718         * sched-rgn.c (check_live_1): Likewise.
9719         (update_live_1): Likewise.
9720         * config/i860/i860.c: Likewise.
9721
9722         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
9723         an lvalue.
9724         (ZERO_EXTRACT): Mention that this one can be an lvalue.
9725
9726         * doc/rtl.texi: Update documentation for bit-fields and SET.
9727
9728 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9729
9730         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
9731
9732 2005-01-05  Jan Hubicka  <jh@suse.cz>
9733             Richard Henderson  <rth@redhat.com>
9734
9735         PR target/18910
9736         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
9737         with an offset.
9738
9739 2005-01-05  Richard Henderson  <rth@redhat.com>
9740
9741         PR target/12902
9742         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
9743         (sse_shufps): Change operand 3 to const_int_operand.
9744         (sse2_storelps): Fix typo in template.
9745         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
9746         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
9747         (ix86_expand_builtin): Likewise.
9748
9749 2005-01-05  Julian Brown  <julian@codesourcery.com>
9750
9751         * config/arm/arm.c (arm_return_in_memory): Treat complex types
9752         as aggregates for AAPCS ABIs.
9753
9754 2005-01-05  Stan Shebs  <shebs@apple.com>
9755
9756         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
9757         Mach-O getters if ppc64.
9758         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
9759         size argument.
9760         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
9761         signed four-byte field for global code case.
9762         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
9763
9764 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9765
9766         PR middle-end/19100
9767         * c-common.c: Include real.h.
9768         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
9769         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
9770         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
9771         * Makefile.in (c-common.o): Update dependencies.
9772
9773 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9774
9775         * c-parse.in (asm_string): Add trailing semicolon.
9776
9777 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9778
9779         * c-parse.in (asm_string): New.  Don't allow wide strings in
9780         'asm'.
9781         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
9782         asm_string instead of STRING.
9783
9784 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9785
9786         * c-typeck.c (constructor_no_implicit): Remove.
9787         (set_designator, process_init_element): Don't check
9788         constructor_no_implicit.
9789
9790 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
9791             Kaz Kojima  <kkojima@gcc.gnu.org>
9792
9793         PR target/16482
9794         * lcm.c (create_pre_exit): New.
9795         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
9796         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
9797
9798 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9799
9800         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
9801         -msoft-float in target_float_switch.
9802         * arm.c (arm_override_options): Fix processing of target_float_switch.
9803
9804 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9805
9806         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
9807         preferencing.
9808
9809 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
9810
9811         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
9812         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
9813
9814 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9815
9816         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
9817         if deleting the then-block allows the test-block to fallthru to the
9818         else-block.
9819
9820 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
9821
9822         PR c/19152
9823         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
9824         after the full declaration if the are in two different TUs.
9825
9826 2005-01-04  Richard Henderson  <rth@redhat.com>
9827
9828         PR tree-opt/19158
9829         * tree-sra.c (generate_one_element_init): Just
9830         call gimplify_and_add.
9831         (generate_element_init): Record the
9832         new referenced variables and mark them for renaming
9833         and split out to ...
9834         (generate_element_init_1): This.
9835         (scalarize_init): Don't call push_gimplify_context/
9836         pop_gimplify_context.
9837
9838 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
9839
9840         * toplev.c (get_src_pwd): Handle failure of getpwd().
9841
9842 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9843
9844         * fold-const.c (fold_single_bit_test): Delete unreachable handling
9845         of TRUTH_NOT_EXPR.
9846         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
9847         all the cases handled by it are inverted by invert_truthvalue.
9848
9849 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9850
9851         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
9852         (save_register_windowsi): Likewise.
9853
9854 2005-01-04  Richard Henderson  <rth@redhat.com>
9855
9856         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
9857
9858 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9859
9860         PR middle-end/17767
9861         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
9862         any simplifications of vector mode comparison operators.
9863         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
9864
9865 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
9866             Devang Patel  <dpatel@apple.com>
9867
9868         PR tree-optimization/18308
9869         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
9870         the operands before creating a new expression.
9871         * dojump.c (do_jump): Make drop_through_label available
9872         for all cases.  Add expansion of COND_EXPR.
9873
9874 2005-01-04  Ira Rosen  <irar@il.ibm.com>
9875
9876         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
9877         INTEGER_CST instead of TREE_CONSTANT.
9878         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
9879         instead of TREE_CONSTANT.
9880         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
9881         instead of TREE_CONSTANT.
9882
9883 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9884
9885         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
9886
9887 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9888
9889         PR target/19240
9890         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
9891         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
9892
9893 2005-01-03  Richard Henderson  <rth@redhat.com>
9894
9895         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
9896         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
9897         fold_convert_const_real_from_real): Split out from ...
9898         (fold_convert_const): ... here.
9899
9900 2005-01-03  Richard Henderson  <rth@redhat.com>
9901
9902         PR target/19235
9903         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
9904         (mov<MMXMODEI>_internal): Likewise.
9905         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
9906         Add V2SF case; use it for SSE1; don't use TI.
9907         (movdf_integer): Likewise.
9908         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
9909
9910 2005-01-03  Ira Rosen  <irar@il.ibm.com>
9911
9912         * tree-vectorizer.c (vect_strip_conversions): New function.
9913         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
9914         check for binary class.
9915
9916 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
9917
9918         Fix PR debug/17924
9919         Fix PR debug/19191
9920         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
9921         is a decl.
9922         * gimple-low.c (mark_blocks_with_used_vars): New function.
9923         (mark_blocks_with_used_subblocks): Ditto.
9924         (mark_used_blocks): Ditto.
9925         (pass_mark_used_blocks): New pass.
9926         * tree-inline.c: Include debug.h.
9927         (expand_call_inline): Call outlining_inline_function here.
9928         * tree-optimize.c (init_tree_optimization_passes): Add
9929         pass_mark_used_blocks.
9930         * tree-pass.h (pass_mark_used_blocks): New.
9931         * Makefile.in (tree-inline.o): Add debug.h dependency.
9932
9933 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
9934
9935         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
9936         VAR_DECLs to have weak_import attribute.
9937
9938         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
9939         'struct ucontext'.
9940
9941 2004-01-03  Steven Bosscher  <stevenb@suse.de>
9942
9943         * passes.c (rest_of_compilation): Don't run regmove if only
9944         flag_expensive_optimizations, require flag_regmove instead.
9945
9946 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
9947
9948         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
9949         register "sparc".
9950         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
9951         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9952         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
9953         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9954
9955 2005-01-03  Richard Henderson  <rth@redhat.com>
9956
9957         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
9958         (ia64_const_ok_for_letter_p): New.
9959         (ia64_const_double_ok_for_letter_p): New.
9960         (ia64_extra_constraint): New.
9961         (ia64_expand_vecint_compare): New.
9962         (ia64_expand_vcondu_v2si): New.
9963         (ia64_expand_vecint_cmov): New.
9964         (ia64_expand_vecint_minmax): New.
9965         (ia64_print_operand): Add 'v'.
9966         (ia64_preferred_reload_class): New.
9967         (ia64_vector_mode_supported_p): New.
9968         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
9969         (PREFERRED_RELOAD_CLASS): Move to function.
9970         (CONST_OK_FOR_LETTER_P): Move to function.
9971         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
9972         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
9973         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
9974         (EXTRA_CONSTRAINT): Move to function.
9975         * config/ia64/ia64.md: Include vect.md.
9976         (itanium_class): Add mmalua.
9977         (type): Handle it.
9978         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
9979         (1b_mmalua): New.
9980         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
9981         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
9982         CONST0_RTX.
9983         (const_int_2bit_operand): New.
9984         (fr_reg_or_0_operand): New.
9985         * config/ia64/ia64-modes.def: Add vector modes.
9986         * config/ia64/ia64-protos.h: Update.
9987         * config/ia64/vect.md: New file.
9988
9989 2005-01-03  Richard Henderson  <rth@redhat.com>
9990
9991         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
9992
9993 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
9994
9995         PR target/19236
9996         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
9997         to SFmode.
9998         (log1pdf2): Change mode of operands[0,1] to DFmode.
9999
10000 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10001
10002         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10003         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10004         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10005         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10006         SPARC_RELAXED_ORDERING.
10007
10008 2005-01-03  Richard Henderson  <rth@redhat.com>
10009             Uros Bizjak  <uros@kss-loka.si>
10010
10011         PR target/14631
10012         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10013         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10014         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10015         handling.
10016         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10017         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10018         const_pow2_1_to_128_operand): New predicates.
10019
10020 2005-01-02  Greg McGary  <greg@mcgary.org>
10021
10022         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10023         anonymous decls.
10024         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10025         object.  [ptr_type]: Remove unused variable.
10026         Remember nearest addressable array-element or record-component
10027         when checking bitfield components.  Tolerate empty BIND_EXPR.
10028
10029 2005-01-01  Richard Henderson  <rth@redhat.com>
10030
10031         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10032         that don't narrow the value.  Fail for other conversions.
10033
10034 2005-01-01  Richard Henderson  <rth@redhat.com>
10035
10036         PR c/19031
10037         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10038         * c-lang.c (finish_file): Don't do it here.
10039         * objc/objc-act.c (objc_finish_file): Likewise.
10040
10041         * cgraph.c (decl_assembler_name_equal): New.
10042         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10043         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10044         * cgraph.h (struct cgraph_varpool_node): Add next.
10045         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10046         * varasm.c (assemble_alias): Mark the target as needed.
10047
10048 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10049
10050         PR middle-end/19221
10051         * function.c (get_arg_pointer_save_area): Use entry_of_function
10052         instead of get_insns.
10053
10054 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10055             Andrew Pinski  <pinskia@physics.uc.edu>
10056             James E. Wilson  <wilson@specifixinc.com>
10057
10058         PR rtl-optimization/12092
10059         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10060         is zero.
10061
10062 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10063             Olivier Hainque  <hainque@act-europe.fr>
10064
10065         * tree.c (int_fits_type_p): A narrower type always fits in a
10066         wider one, except for negative values into unsigned types.
10067
10068 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10069
10070         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10071         with the original constant rather than require TREE_OVERFLOW.
10072
10073 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10074
10075         PR middle-end/17544
10076         * c-decl.c (finish_function): If compiling C99, annotate the
10077         compiler generated return with the current file name and line 0.
10078         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10079         the source line is greater than 0.
10080         (remove_bb): Likewise.