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1 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2             Daniel Jacobowitz  <dan@codesourcery.com>
3
4         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5         trapping divide.
6         * rtlanal.c (may_trap_p): Same.
7
8 2005-04-04  Dale Johannesen  <dalej@apple.com>
9
10         * ChangeLog:  remove reference to ChangeLog.12.
11
12 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
13
14         CRIS epilogue as RTL.
15         * config/cris/cris.md: Change all 0 in unspec 0 to
16         CRIS_UNSPEC_PLT.
17         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
18         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
19         patterns.
20         ("return"): Change to define_expand.  Call cris_expand_return for
21         actual expansion.
22         ("*return_expanded"): New pattern.
23         ("epilogue"): New define_expand.
24         * config/cris/cris.h (PREDICATE_CODES): Add
25         cris_load_multiple_op.
26         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
27         type.
28         (enum cris_retinsn_type): New.
29         (struct machine_function): New member return_type.
30         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
31         (cris_target_asm_function_epilogue): Remove, moving RTLified
32         contents to...
33         (cris_expand_epilogue): New function.
34         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
35         (cris_gen_movem_load, cris_load_multiple_op)
36         (cris_return_address_on_stack_for_return, cris_expand_return): New
37         functions.
38         (cris_target_asm_function_prologue)
39         (cris_initial_frame_pointer_offset): Call
40         cris_reg_saved_in_regsave_area instead of complicated expression.
41         Call cris_return_address_on_stack instead of an expression.
42         (cris_print_operand) <case 'o', case 'O'>: New cases.
43         (cris_return_address_on_stack): Change return-type to bool.
44         (cris_simple_epilogue): Ditto.  Return false if registers are
45         saved.
46         * config/cris/cris-protos.h (cris_simple_epilogue)
47         (cris_return_address_on_stack): Adjust prototype return type.
48         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
49         (cris_return_address_on_stack_for_return): New prototypes.
50
51 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
52
53         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
54         gpr_or_int12_operand.
55
56         * config/frv/frv-protos.h: Add a prototype to
57         frv_legitimate_memory_operand and frv_const_unspec_p.
58         (frv_unspec): Move from frv.c.
59         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
60         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
61         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
62         gpr_or_fpr_operand, gpr_or_int12_operand,
63         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
64         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
65         int6_operand, int5_operand, uint5_operand, uint4_operand,
66         uint1_operand, int_2word_operand, uint16_operand,
67         upper_int16_operand, integer_register_operand,
68         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
69         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
70         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
71         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
72         move_destination_operand, movcc_fp_destination_operand,
73         frv_function_symbol_referenced_p, move_source_operand,
74         condexec_dest_operand, condexec_source_operand,
75         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
76         const_unspec_operand, gpr_or_memory_operand,
77         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
78         icc_operand, fcc_operand, cc_operand, icr_operand,
79         fcr_operand, cr_operand, call_operand, sibcall_operand,
80         symbolic_operand, relational_operator,
81         integer_relational_operator, float_relational_operator,
82         ccr_eqne_operator, minmax_operator,
83         condexec_si_binary_operator, condexec_si_media_operator,
84         condexec_si_divide_operator, condexec_si_unary_operator,
85         condexec_sf_conv_operator, condexec_sf_add_operator,
86         condexec_memory_operand, intop_compare_operator, acc_operand,
87         even_acc_operand, quad_acc_operand, accg_operand: Move to
88         predicates.md.
89         * config/frv/frv.h (PREDICATE_CODES): Remove.
90         * config/frv/frv.md: Include predicates.md.
91         * config/frv/predicates.md: New.
92
93 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
94
95         PR target/19537
96         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
97         * tree-ssa-loop-ivopts.c: Include langhooks.h.
98         (add_standard_iv_candidates_for_size): New function, extracting code
99         from add_standard_iv_candidates and parameterizing it by type size.
100         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
101
102 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
103
104         * system.h (GCOV_SIZE_TYPE): Unposion.
105         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
106         (GCOV_TYPE_SIZE): ...this new macro.
107         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
108         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
109         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
110         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
111         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
112         instead of unsigned_intSI_type_node.
113         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
114         (rtl_gen_one_value_profiler_no_edge_manipulation)
115         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
116         * value-prof.c: Include coverage.h.
117
118 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
119             Diego Novillo <dnovillo@redhat.com>
120             
121         Fix PR tree-optimization/20703
122         Fix PR tree-optimization/20725
123         
124         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
125         (create_expression_by_pieces): Ditto.
126         (valid_in_set): Ditto. Also handle tcc_declaration.
127         (find_or_generate_expression): Handle comparison class.
128         (insert_into_preds_of_block): Ditto.
129         (insert_aux): Ditto.
130         (create_value_expr_from): Handle comparison class, recursively
131         handle reference nodes.
132         (compute_avail): Handle comparison classes, rewrite a little cleaner.
133         (execute_pre): Fix spacing.
134         (do_fre): Renamed to execute_fre.
135
136 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
137
138         * doc/invoke.texi (SPARC options): Document that
139         -mlittle-endian is not supported on Linux either.
140
141 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
142
143         PR target/4198
144         PR target/12027
145         * config.gcc (Obsolete configurations): Remove
146         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
147         (sparclite-*-coff*): Delete.
148         (sparclite-*-elf*): Likewise.
149         (sparc86x-*-elf*): Likewise.
150         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
151         * config/sparc/lite.h: Delete.
152         * config/sparc/litecoff.h: Likewise.
153         * config/sparc/liteelf.h: Likewise.
154         * config/sparc/sp86x-elf.h: Likewise.
155         * config/sparc/t-sparclite: Likewise.
156         * config/sparc/t-sp86x: Likewise.
157
158 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
159
160         * config/s390/s390-protos.h: (s390_comparison,
161         s390_alc_comparison, s390_slb_comparison, const0_operand,
162         consttable_operand, larl_operand, s_operand,
163         shift_count_operand, bras_sym_operand, load_multiple_operation,
164         store_multiple_operation, s390_plus_operand): Remove prototypes.
165         (s390_legitimate_address_without_index_p): New prototype.
166         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
167         to s390.h.
168         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
169         const0_operand, consttable_operand, larl_operand, s_operand,
170         shift_count_operand, bras_sym_operand, load_multiple_operation,
171         store_multiple_operation, s390_plus_operand): Move to
172         predicates.md.
173         (check_mode): Remove.
174         (s390_branch_condition_mask): Remove 'static'. Move prototype to
175         s390-protos.h.
176         (s390_legitimate_address_without_index_p): New.
177         * config/s390/s390.h (PREDICATE_CODES): Remove.
178         * config/s390/s390.md: Include predicates.md.
179         * config/s390/predicates.md: New.
180
181 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
182
183         PR target/20446
184         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
185         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
186         (NEED_INDICATE_EXEC_STACK): Define to 1.
187         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
188         (NEED_INDICATE_EXEC_STACK): Define to 1.
189         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
190         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
191         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
192         (pic_helper_emitted_p): New global.
193         (emit_pic_helper): New function extracted from...
194         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
195         Do not call emit_pic_helper if delay_pic_helper is true.
196         (sparc_expand_prologue): Pass 'false' to load_pic_register.
197         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
198         (sparc_file_end): New function.
199
200 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
201
202         * config/mcore/mcore-protos.h: Remove the prototypes for
203         mcore_arith_reg_operand, mcore_general_movsrc_operand,
204         mcore_general_movdst_operand, mcore_reload_operand,
205         mcore_arith_J_operand, mcore_arith_K_operand,
206         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
207         mcore_arith_K_S_operand, mcore_arith_imm_operand,
208         mcore_arith_any_imm_operand, mcore_arith_O_operand,
209         mcore_literal_K_operand, mcore_addsub_operand,
210         mcore_compare_operand, mcore_load_multiple_operation,
211         mcore_store_multiple_operation, mcore_call_address_operand.
212         Add a prototype for const_ok_for_mcore.
213         * config/mcore/mcore.c (mcore_call_address_operand,
214         mcore_general_movsrc_operand, mcore_general_movdst_operand,
215         mcore_arith_reg_operand, mcore_reload_operand,
216         mcore_arith_J_operand, mcore_arith_K_operand,
217         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
218         mcore_arith_M_operand, mcore_arith_imm_operand,
219         mcore_arith_any_imm_operand, mcore_arith_O_operand,
220         mcore_literal_K_operand, mcore_addsub_operand,
221         mcore_compare_operand, mcore_load_multiple_operation,
222         mcore_store_multiple_operation): Move to predicates.md.
223         (const_ok_for_mcore): Export.
224         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
225         * config/mcore/mcore.md: Include predicates.md.
226         * config/mcore/predicates.md: New.
227
228         * config/mcore/predicates.md: Fix a comment typo.
229
230 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
231             Adrian Straetling  <straetling@de.ibm.com>
232
233         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
234         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
235         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
236         attribute.
237         ("imul"): Removed from "type" attribute.
238         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
239         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
240         Changed type to imulsi.
241         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
242
243 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
244
245         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
246         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
247         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
248         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
249         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
250         (TARGET_SWITCHES, mcore_stack_increment_string)
251         (TARGET_OPTIONS): Delete.
252         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
253         than *_BIT constants.
254         (TARGET_8ALIGN): #undef old definition before redefining to 1.
255         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
256         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
257         (mcore_override_options): Delete mcore_stack_increment code.
258         Change use of M340_BIT to MASK_M340.
259         * config/mcore/mcore.opt: New file.
260
261 2005-04-04  Ian Lance Taylor  <ian@airs.com>
262
263         * config/arm/arm.c (replace_symbols_in_block): Remove static
264         function.
265
266 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
267
268         * config/fr30/fr30-protos.h: Remove the prototypes for
269         stack_add_operand, add_immediate_operand,
270         high_register_operand, low_register_operand, call_operand,
271         di_operand, and nonimmediate_di_operand.
272         * config/fr30/fr30.c (stack_add_operand,
273         add_immediate_operand, high_register_operand,
274         low_register_operand, call_operand, di_operand,
275         nonimmediate_di_operand): Move to predicates.md.
276         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
277         * config/fr30/fr30.md: Include predicates.md.
278         * config/fr30/predicates.md: New.
279
280         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
281         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
282         mcore_call_address_operand.
283
284         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
285         general_movsrc_operand.
286
287 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
288
289         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
290         after freeing.
291
292 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
293
294         PR target/14812
295         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
296         a negated value.
297
298 2005-04-04  Richard Henderson  <rth@redhat.com>
299             Jakub Jelinek  <jakub@redhat.com>
300
301         PR rtl-optimization/16104
302         * fold-const.c (fold_unary): Fix folding of vector conversions.
303
304 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
305
306         * config.gcc (xstormy16-*-elf): Set extra_options.
307         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
308         * config/stormy16/stormy16.opt: New file.
309
310 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
311
312         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
313         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
314         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
315         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
316         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
317         (TARGET_UNIX_ASM): Delete.
318         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
319         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
320         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
321         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
322         * config/pdp11/pdp11.opt: New file.
323
324 2005-04-03  Roger Sayle  <roger@eyesopen.com>
325             Alexandre Oliva  <aoliva@redhat.com>
326
327         PR c++/19199
328         * fold-const.c (non_lvalue): Split tests into...
329         (maybe_lvalue_p): New function.
330         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
331         C++ front-end prior to lowering into gimple form.
332
333 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
334
335         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
336         BUILT_IN_STRNCASECMP): New.
337         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
338         and strndup.
339
340 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
341
342         PR target/14812
343         * arm.md (addsi3_compare0_for_combiner): Delete.
344         (addsi3_compare0_scratch_for_combiner): Delete.
345         (cmpsi_neg_shiftsi): Delete.
346         (compare_negsi_si): New pattern.
347         (cmpsi_negshiftsi_si): New pattern.
348         (negated_cbranchsi4): Restrict to equality_operator.
349         
350         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
351         template.
352
353 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
354
355         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
356         Fix comment typos.
357
358         * doc/install.texi: Fix a typo.
359
360 2005-04-03  Steven Bosscher  <stevenb@suse.de>
361
362         PR middle-end/20648
363         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
364         a computed goto if the edge to the computed goto block has
365         incoming abnormal edges.  Clarify how the function works.
366
367 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
368
369         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
370         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
371         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
372         hash_scan_set, reg_set_between_after_reload_p,
373         reg_used_between_after_reload_p, get_avail_load_store_reg,
374         eliminate_partially_redundant_load): Likewise.
375         * postreload.c (reload_cse_simplify_set,
376         reload_combine_note_use): Likewise.
377         * predict.c (predict_insn, expected_value_to_br_prob,
378         propagate_freq, expensive_function_p): Likewise.
379         * print-rtl.c (print_rtx): Likewise.
380         * profile.c (instrument_edges, instrument_values,
381         compute_branch_probabilities, branch_prob, union_groups,
382         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
383         * protoize.c (in_system_include_dir, file_could_be_converted,
384         file_normally_convertible, gen_aux_info_file, seek_to_line,
385         do_cleaning): Likewise.
386         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
387         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
388         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
389
390 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
391
392         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
393         * modulo-sched.c (undo_replace_buff_elem): New structure.
394         (kernel_number_of_cycles, ps_unschedule_node,
395         undo_generate_reg_moves,free_undo_replace_buff,
396         undo_permute_partial_schedule,  loop_single_full_bb_p,
397         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
398         build_loops_structure, get_sched_window): New.
399         (generate_reg_moves): Return undo_replace_buff_elem and other
400         fixes.
401         (generate_prolog_epilog): Remove old loop versioning.
402         (sms_schedule): Use loop information and loop_version.
403         (sms_schedule_by_order): Split part of it to get_sched_window.
404         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
405         cfg_layout_finalize and free_dominance_info before/after SMS.
406
407 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
408
409         * cfghooks.c (lv_flush_pending_stmts,
410         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
411         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
412         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
413         lv_add_condition_to_bb,
414         lv_adjust_loop_header_phi, extract_cond_bb_edges,
415         flush_pending_stmts): New in cfg_hooks structure.
416         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
417         extract_cond_bb_edges, lv_adjust_loop_header_phi,
418         lv_add_condition_to_bb): New declarations.
419         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
420         bool.
421         (loop_version): Declare.
422         * cfgloopmanip.c (cfghooks.h): Include.
423         (duplicate_loop_to_header_edge): Change return type to bool.
424         (loop_version, lv_adjust_loop_entry_edge): Move here.
425         * cfgrtl.c (cfgloop.h): Include.
426         (rtl_verify_flow_info_1): Fix.
427         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
428         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
429         initialization.
430         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
431         tree_lv_add_condition_to_bb): New.
432         (tree_cfg_hooks): Add new hooks to initialization.
433         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
434         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
435
436 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
437
438         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
439         xstormy16_below100_or_register,
440         xstormy16_splittable_below100_or_register, and
441         nonimmediate_nonstack_operand.
442
443         * config/stormy16/stormy16-protos.h: Remove the prototypes for
444         xstormy16_ineqsi_operator, equality_operator,
445         inequality_operator, shift_operator,
446         xstormy16_below100_operand, xstormy16_below100_or_register,
447         xstormy16_splittable_below100_or_register,
448         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
449         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
450         equality_operator, inequality_operator,
451         xstormy16_below100_operand, xstormy16_below100_or_register,
452         xstormy16_splittable_below100_or_register,
453         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
454         nonimmediate_nonstack_operand, shift_operator): Move to
455         predicates.md.
456         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
457         * config/stormy16/stormy16.md: Include predicates.md.
458         * config/stormy16/predicates.md: New.
459
460 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
461
462         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
463         small_int, large_int, reg_or_0_operand, simple_memory_operand,
464         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
465         move_operand, power_of_2_operand): Move to predicates.md.
466         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
467         PREDICATE_CODE): Remove.
468         * config/iq2000/iq2000.md: Include predicates.md.
469         * config/iq2000/predicates.md: New.
470
471 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
472
473         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
474         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
475         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
476         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
477         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
478         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
479         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
480         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
481         (TARGET_M68HC11): Delete.
482         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
483         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
484         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
485         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
486         (nb_soft_regs): Delete.
487         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
488         (m68hc11_override_options): Remove the code that caters for MASK_M6811
489         and MASK_M6812 being set simultaneously.  Change the code that sets
490         the default m68hc11_soft_reg_count to use integers instead of strings.
491         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
492         m68hc11_soft_reg_count (which now has an int type) as the number
493         of soft registers.
494         * config/m68hc11/m68hc11.opt: New file.
495
496 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
497
498         * config/fr30/fr30.h (PREDICATE_CODES): Remove
499         fp_displacement_operand, sp_displacement_operand.
500
501         * config/m68hc11/m68hc11-protos.h: Add a prototype for
502         m68hcc_auto_inc_p.
503         Remove the prototypes for tst_operand, cmp_operand,
504         stack_register_operand, d_register_operand,
505         hard_addr_reg_operand, splitable_operand,
506         m68hc11_logical_operator, m68hc11_arith_operator,
507         m68hc11_non_shift_operator, m68hc11_shift_operator,
508         m68hc11_unary_operator, m68hc11_eq_compare_operator,
509         non_push_operand, hard_reg_operand, and
510         reg_or_some_mem_operand.
511         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
512         extern.
513         (tst_operand, cmp_operand, non_push_operand,
514         splitable_operand, reg_or_some_mem_operand,
515         stack_register_operand, d_register_operand,
516         hard_addr_reg_operand, hard_reg_operand,
517         m68hc11_eq_compare_operator, m68hc11_logical_operator,
518         m68hc11_arith_operator, m68hc11_non_shift_operator,
519         m68hc11_shift_operator, m68hc11_unary_operator): Move to
520         predicates.md.
521         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
522         * config/m68hc11/m68hc11.md: Include predicates.md.
523         * config/m68hc11/predicates.md: New.
524
525 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
526
527         PR debug/19345
528         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
529         change checked in along with 2005-03-03's patch for debug/20253.
530         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
531         (remap_decl): Insert type decl in map earlier.
532
533 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
534
535         PR tree-optimization/20640
536         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
537         post-dominator if it has phi nodes.
538         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
539         before dead statements.
540
541 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
542
543         PR middle-end/20491
544         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
545
546 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
547
548         PR rtl-optimization/20290
549         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
550         in every iteration if the entry point is the exit test.
551
552 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
553
554         * config/cris/cris.md (attribute "length"): Define.
555
556 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
557
558         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
559         (word_offset_memref_operand): New.
560         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
561         (indexed_or_indirect_operand): Delete.
562         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
563         (indexed_or_indirect_operand): Delete.
564
565         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
566
567         PR 20650
568         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
569         a register.
570
571         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
572         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
573
574 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
575
576         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
577
578 2005-04-01  Ian Lance Taylor  <ian@airs.com>
579
580         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
581         (rus, prus): Remove static variables.
582         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
583         (process_command): Permit report_times and use_pipes together.
584
585 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
586
587         * c-decl.c (validate_proto_after_old_defn): Look at
588         TYPE_MAIN_VARIANT of argument types.
589
590 2005-04-01  Paul Brook  <paul@codesourcery.com>
591
592         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
593         (arm_output_function_epilogue): Allow call_via_SP.
594         (thumb_call_via_reg, arm_file_end): Ditto.
595         * config/arm/arm.h (struct machine_function): Include space for SP.
596         (thumb_call_via_label): Update declaration.
597
598 2005-04-01  Ian Lance Taylor  <ian@airs.com>
599
600         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
601         doing a peephole optimization, once again put any notes in the
602         proper position.
603
604 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
605
606         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
607
608 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
609
610         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
611         (block_alloc, find_free_reg): Likewise.
612         * loop-doloop.c (doloop_modify): Likewise.
613         * loop-invariant.c (record_use): Likewise.
614         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
615         get_iv_value, canon_condition, eliminate_implied_condition,
616         eliminate_implied_condition, simplify_using_initial_values,
617         shorten_into_mode, canonicalize_iv_subregs,
618         iv_number_of_iterations): Likewise.
619         * loop-unroll.c (expand_var_during_unrolling): Likewise.
620         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
621         unswitch_loop): Likewise.
622         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
623         move_movables, replace_call_address, find_and_verify_loops,
624         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
625         record_giv, final_giv_value, general_induction_var,
626         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
627         loop_giv_dump): Likewise.
628
629         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
630         GCOV_CHECK_WRITING): Remove.
631         (gcov_position, gcov_rewrite): Use gcc_assert.
632         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
633         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
634         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
635         gcc_assert.
636
637 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
638
639         * tree-inline.c: Fix a typo.
640
641 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
642
643         * configure.ac (enable-checking): Explicitly set all variables for
644         collective switch values.  Alphabetize variables. Rename
645         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
646         synonym for 'no'.
647         * doc/install.texi (enable-checking): Update documentation.
648         * configure: Rebuilt.
649
650 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
651
652         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
653         possible.
654
655 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
656
657         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
658         Also reject cases where this pattern will cause load delay stalls
659         unless optimizing for size and it will produce a shorter sequence.
660         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
661         variants to avoid pre-adjusting the base when possible.
662
663 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
664
665         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
666         the frame and argument pointers.
667         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
668         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
669         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
670         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
671         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
672         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
673
674 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
675
676         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
677         with entry for selectany attribute.
678         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
679         Declare.
680         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
681         (i386_pe_asm_named_section): Handle sections generated by
682         selectany attribute.
683         * doc/extend.texi (selectany): Document attribute.
684
685 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
686             Jan Hubicka  <jh@suse.cz>
687
688         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
689         to fix addresses involving EBP and ESP.
690         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
691         for SUBREGed registers.
692         (legitimate_address_p): Accept SUBREGed registers.
693
694 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
695
696         PR c++/19406
697         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
698         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
699         for FIELD_DECLs.
700
701 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
702
703         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
704
705 2005-04-01  James E Wilson  <wilson@specifixinc.com>
706
707         PR c++/20505
708         * dwarf2out.c (rtl_for_decl_init): New function.
709         (rtl_for_decl_location): Extracted from here.
710         (tree_add_const_value_attribute): Call rtl_for_decl_init and
711         add_const_value_attribute.  Delete initializer_constant_valid_p call.
712
713 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
714
715         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
716         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
717         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
718         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
719         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
720         config/i386/i386.md, config/rs6000/predicates.md,
721         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
722         config/s390/s390.c, config/stormy16/stormy16.c,
723         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
724         typos.
725
726 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
727
728         PR c/17855
729         * gimplify.c (gimplify_expr): Create a temporary for lvalue
730         COND_EXPR and CALL_EXPR.
731
732 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
733
734         PR target/20632
735         * genautomata.c (first_cycle_unit_presence): Check all alternative
736         states for unit presence.
737
738         * doc/md.texi: Remove remark about impossibility to query unit
739         presence in non nondeterministic automaton state.
740         
741         * config/ia64/ia64.c (get_template): Change order of unit querying.
742
743 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
744
745         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
746         obsolete comment.
747
748 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
749
750         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
751         flag for edges outside any loops.
752
753 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
754
755         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
756
757 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
758
759         * tree-ssa-alias.c: Follow spelling conventions.
760         * doc/tree-ssa.texi: Fix a typo.
761
762 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
763
764         * postreload-gcse.c: Include target.h.
765         (gcse_after_reload_main): Return early if we cannot modify jumps.
766         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
767
768 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
769
770         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
771         expensive operations.
772
773 2005-03-31  Ian Lance Taylor  <ian@airs.com>
774
775         * collect2.c (lderrout): New variable.
776         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
777         if it is set, to stderr.
778         (handler): Unlink lderrout if it is set.
779         (dump_file): Add "to" parameter.  Change all callers.
780         (main): Initialize lderrout.
781         (collect_execute): Add errname parameter.  Change all callers.
782         Rename redir parameter to outname.  Never pass
783         PEX_STDERR_TO_STDOUT to pex_run.
784         * collect2.h (collect_execute, dump_file): Update declarations.
785         * tlink.c (tlink_execute): Add errname parameter.  Change all
786         callers.
787         (do_tlink): Check lderrout as well as ldout.
788
789 2005-03-31  Caroline Tice  <ctice@apple.com>
790
791         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
792         (bb-reorder.o): Add errors.h to list of requirements.
793         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
794         profiledbootstrap flags.
795         * bb-reorder.c (errors.h): Add new include.
796         (struct bbro_basic_block_data_def): Add new field, in_trace.
797         (add_unlikely_executed_notes):  Remove function.
798         (mark_bb_for_unlikely_executed_section): Remove function.
799         (insert_section_boundary_note): New function.
800         (verify_hot_cold_block_grouping): New function.
801         (push_to_next_round_p): Remove variables and tests that push all
802         cold blocks to last round.
803         (find_traces): Remove code that added extra round of trace finding
804         when doing partitioning.
805         (find_traces_1_round) :  Remove variable last_round;  add code to 
806         update new struct field, in_trace; correct trace_length where it was 
807         incorrect before (after call to copy_bb); change code that pushed all 
808         cold blocks to last round. Instead verify that all blocks going into 
809         a trace belong in the same partition.
810         (connect_traces): Modify to connect the traces in two passes, if the
811         function contains both hot and cold blocks.  The first pass connects 
812         all the traces for blocks in the partition that the first block in 
813         the function belongs to; the second pass connnects all the traces 
814         containing blocks that belong in the other partition.
815         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
816         code that automatically put the first block in a function into the
817         hot partition if the function had any hot blocks.
818         (fix_crossing_unconditional_branches): Check number of succ edges 
819         before attempting to get one.
820         (fix_edges_for_rarely_executed_code):  Update comment describing
821         function.
822         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
823         remove call to add_unlikely_executed_notes; add call to 
824         verify_hot_cold_block_grouping.
825         (duplicate_computed_gotos): Don't change computed goto if it's a 
826         crossing edge.
827         (partition_hot_cold_basic_blocks):  Update function comment.
828         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
829         condition.
830         (try_forward_edges): Likewise.
831         (merge_blocks_move_predecessor_nojumps): Likewise.
832         (merge_blocks_move_successor_nojumps): Likewise.
833         (merge_blocks_move): Likewise.
834         (try_crossjump_bb): Likewise.
835         * cfglayout.c (update_unlikely_executed_notes): Remove function.
836         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
837         notes to cold bb's; remove call to update_unlikely_executed_notes.
838         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
839         NOTE_INSN_SWITCH_TEXT_SECTIONS.
840         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
841         function declaration.
842         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
843         from consideration.
844         (rtl_can_merge_blocks): Remove redundancy from condition.
845         (try_redirect_by_replacing_jump): Likewise.
846         (force_nonfallthru_and_redirect): Remove code for adding
847         UNLIKELY_EXECUTED_CODE notes to cold bb's.
848         (commit_one_edge_insertion): Likewise.
849         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
850         * dbxout.c (FORCE_TEXT): Replace function_section with 
851         current_function_section.
852         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
853         function, switch_text_section.
854         (struct xcoff_debug): Likewise.
855         (dbxout_function_end): Add code to put out label diffs for both
856         hot and cold sections.
857         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
858         for new debug_hooks funciton, switch_text_section..
859         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
860         switch_text_section.
861         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
862         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
863         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
864         dw_fde_switched_sections.
865         (output_call_frame_info):  Add test to see if function switches text
866         sections in the middle; if so, use appropriate extra hot and cold 
867         section labels to compute size deltas for the hot and cold sections.
868         (dwarf2out_begin_prologue): Add code to initialize new fields in 
869         dw_fde_struct.
870         (dwarf2out_switch_text_section): New function (invoked through 
871         debug_hook); updates new fields in dw_fde_struct appropriately and
872         increments separate_line_info_table_in_use.
873         (dwarf2_debug_hooks): Initialize switch_text_section function to be
874         dwarf2out_switch_text_section.
875         (struct var_loc_node): Add new field, section_label.
876         (output_aranges): Add code to check whether in hot or cold section and
877         use the appropriate label in calculating deltas.
878         (output_ranges): Likewise.
879         (output_line_info): Add code to check which section we're in and
880         use appropriate hot/cold label.
881         (add_location_or_constant_value_attribute): Likewise.
882         (gen_subprogam_die): Modify arange attributes to use correct labels.
883         (dwarf2out_begin_block): Change call to function_section into call to
884         current_function_section.
885         (dwarf2out_end_block): Likewise.
886         (dwarf2out_source_line): Likewise.
887         (dwarf2out_var_location): Add code to check whether in hot or cold 
888         section and use the appropriate label.
889         * except.c (output_function_exception_table): Change call to 
890         function_section into call to current_function_section.
891         * final.c (profile_function): Likewise.
892         (scan_ahead_for_unlikely_executed_note): Remove function.
893         (final_scan_insn):  Remove calls to 
894         scan_ahead_for_unlikely_executed_note, and related code for switching 
895         to cold section, except for the single time 
896         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
897         debug_hooks->switch_text_sections; replace appropriate calls to 
898         function_section with calls to current_function_section.
899         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
900         test_bb to condition.
901         (find_if_case_2): Likewise.
902         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
903         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
904         * opts.c (decode_options): Change warning about hot/cold partitioning
905         with exceptionss to inform (so as not to cause bootstrap failures);
906         remove warning about partitioning with DWARF debug info.
907         * output.h (current_function_section): Add new function decl.
908         (insert_section_boundary_note): Likewise.
909         (enum in_section): Move this declaration here from varasm.c.
910         (unlikely_section_label): Likewise.
911         (unlikely_text_section_name): Likewise.
912         (last_text_section_name): New global variable.
913         (last_text_section): Likewise.
914         (hot_section_label): Likewise.
915         (hot_section_end_label): Likewise.
916         (cold_section_end_label): Likewise.
917         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
918         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
919         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
920         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
921         insn from consideration.
922         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
923         switch_text_section.
924         * varasm.c (basic-block.h): Add new include.
925         (unlikely_section_label_printed): Remove global variable.
926         (unlikely_section_label): Make global variable not be static any more.
927         (unlikely_text_section_name): Likewise.
928         (hot_section_end_label): New global variable (not static)
929         (first_function_block_is_cold): Likewise.
930         (hot_section_label): Likewise.
931         (cold_section_end_label): Likewise..
932         (last_text_section): New global variable, not static.
933         (last_text_section_name): New global variable, not static.
934         (initialize_cold_section_name): New function.
935         (enum in_section): Move declaration to output.h.
936         (text_section): Update last_text_section.
937         (unlikely_text_section): Replace code to determine cold section name 
938         with call to initialize_cold_section_name; Add code to update 
939         last_text_section; remove code for printing out label.
940         (named_section_real): Add code to update last_text_section and 
941         last_text_section_name as appropriate.
942         (function_section): Change test for 'unlikely' to depend on
943         first_function_block_is_cold (moved old test to 
944         current_function_section).
945         (current_function_section): New function.
946         (assemble_start_function): Move code that frees 
947         unlikely_text_section_name; initialize hot_section_end_label; 
948         print hot and cold section labels at the start of the function; 
949         set first_function_block_is_cold, if appropriate; initialize l
950         ast_text_section; add call to insert_section_boundary_note.
951         (assemble_end_function):  Add code to write out hot and cold section
952         end labels.
953         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
954         switch_text_section.
955         * config/darwin.c (machopic_select_section): Replace incorrect 
956         function in base_funs; update reloc for cold sections if necessary.
957         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
958         last_text_section if appropriate.
959         (text_unlikely_section): Remove.
960         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
961         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
962         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
963         partitioning for this architecture.
964
965 2005-03-31  Olivier Hainque  <hainque@adacore.com>
966
967         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
968         defined and non-zero.
969
970 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
971
972         PR c++/18644
973         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
974         semantics. 
975
976 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
977
978         PR target/20611
979         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
980         label operand.  Remove (use (unspec..)).  Don't emit a label on
981         the offset word.
982         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
983         generate inline label for load_toc_v4_PIC_1b.
984         (rs6000_emit_load_toc_table): Likewise.
985
986 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
987
988         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
989         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
990
991 2005-03-29  Devang Patel  <dpatel@apple.com>
992
993         * tree-sra.c (decide_block_copy): Disable scalarization of
994         sub-elements.
995         
996 2005-03-30  Stuart Hastings  <stuart@apple.com>
997             Dale Johannesen  <dalej@apple.com>
998
999         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1000         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1001
1002 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1003
1004         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1005         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1006         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1007         is given with "powerpc64*" or "all", or when --with-cpu chooses
1008         a 64-bit cpu.
1009
1010 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1011
1012         PR debug/20268
1013         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1014         gen_lexical_block_die.
1015         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1016
1017 2005-03-31  Jan Hubicka  <jh@suse.cz>
1018
1019         2004-11-02  Jan Hubicka  <jh@suse.cz>
1020
1021         * cgraph.c (cgraph_varpool_node_name): New function.
1022         (dump_cgraph_varpool_node): New function.
1023         (dump_varpool): New function.
1024         * cgraphunit.c (cgraph_optimize): Dump varpool.
1025
1026         2004-10-16  Jan Hubicka  <jh@suse.cz>
1027
1028         * cgraph.c (decide_is_variable_needed): New function.
1029         (cgraph_varpool_finalize_decl): Use it.
1030         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1031         unit-at-a-time.
1032         * final.c (output_addr_const): Do not call mark_referenced.
1033         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1034         always go via cgraph.
1035         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1036         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1037         * tree-optimize.c (execute_inline): Mark functions called.
1038         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1039
1040         2004-10-11  Jan Hubicka  <jh@suse.cz>
1041
1042         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1043         (cgraph_varpool_last_needed_node): New static variable.
1044         (enqueue_needed_varpool_node): Break out from ...; add items to the
1045         end of queue; update first pointers.
1046         (cgraph_varpool_mark_needed_node): ... here.
1047         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1048         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1049         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1050         (cgraph_varpool_first_unanalyzed_node): Declare.
1051         * cgraphunit.c: Include output.h.
1052         (cgraph_varpool_analyze_pending_decls): New function.
1053         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1054         for errors, analyze pending decls.
1055         (cgraph_finalize_compilation_unit): Only analyze decls.
1056         (cgraph_optimize): Assemble the decls after expanding.
1057
1058 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1059
1060         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1061         subvars get marked properly in tags for grouping.
1062         (add_pointed_to_var): Mark only actual pointed to
1063         variables/subvars in addresses needed.
1064         (create_overlap_variables_for): Clear call clobbered on original
1065         variable.
1066         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1067         addresable vars with subvars into list.
1068         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1069         subvar should be.
1070
1071 2005-03-30  Richard Henderson  <rth@redhat.com>
1072
1073         * cgraph.h (struct cgraph_node): Add alias.
1074         * varasm.c (assemble_alias): Set it.
1075         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1076         avoid calling cgraph_expand_function.
1077
1078 2005-03-30  Tom Tromey  <tromey@redhat.com>
1079
1080         * tree.def (FILE_TYPE): Removed.
1081         * typeclass.h (enum type_class): Removed file_type_class.
1082         * dwarf2out.c (is_base_type): Updated.
1083         (gen_type_die): Likewise.
1084         * dbxout.c (dbxout_type): Updated.
1085         * builtins.c (type_to_class): Updated.
1086         * tree.c (type_contains_placeholder_1): Updated.
1087         * config/sparc/sparc.c (sparc_type_code): Updated.
1088         * config/ia64/ia64.c (hfa_element_mode): Updated.
1089         * expr.c (count_type_elements): Updated.
1090         * stor-layout.c (layout_type): Updated.
1091         * tree-inline.c (remap_type): Updated.
1092         * tree-pretty-print.c (dump_generic_node): Updated.
1093
1094 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1095
1096         * builtins.c (expand_builtin_powi): Fix mode of
1097         2nd argument to match int.
1098         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1099         2nd argument type to int.
1100         * libgcc2.c: Change prototype of __powi* functions to use
1101         int.
1102
1103 2005-03-30  Dale Johannesen  <dalej@apple.com>
1104
1105         PR middle-end/19225
1106         * calls.c (expand_call):  Flush pending deferrals before
1107         throwing call.
1108
1109 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1110
1111         PR c/772
1112         PR c/17913
1113         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1114         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1115         c_label_context, label_context_stack): New.
1116         * c-decl.c (define_label): Check for jumps into statement
1117         expressions.  Add label to list of defined labels.
1118         (start_function): Push context on label_context_stack.
1119         (finish_function): Pop context from label_context_stack.
1120         * c-typeck.c (label_context_stack): New.
1121         (c_finish_goto_label): Check for jumps into statement
1122         expressions.  Add label to list of jumped to labels.
1123         (struct c_switch): Add blocked_stmt_expr.
1124         (c_start_case): Initialize it.
1125         (do_case): Check it.
1126         (c_finish_case): Verify !blocked_stmt_expr.
1127         (c_begin_stmt_expr):  Push context on label_context_stack.
1128         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1129         as undefinable.
1130         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1131         defined in the statement expression and no longer jumpable to.
1132         Mark labels jumped to from just outside the statement expression
1133         as again definable.  Pop context from label_context_stack.
1134         * doc/extend.texi (Statement Exprs): Update.
1135
1136 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1137
1138         PR c/20368
1139         * c-decl.c (start_function): Check for old_decl being
1140         error_mark_node.
1141
1142 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1143
1144         * final.c (final): Remove prescan parameter.  Change all callers.
1145         (final_scan_insn): Remove prescan parameter.  Change all callers.
1146
1147 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1148
1149         * tree-vectorizer.c: Fix comment typos.
1150
1151 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1152
1153         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1154         as soon as a chrec_dont_know is detected.
1155
1156 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1157
1158         Merge from csl-arm-branch.
1159         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1160
1161         * tlink.c (recompile_files): Do not assume that "rename" can
1162         overwrite an existing file.
1163
1164 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1165
1166         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1167         * gcc/configure: Regenerate.
1168
1169 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1170
1171         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1172
1173         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1174
1175         * calls.c (struct arg_data): Update "partial" comment.
1176         (load_register_parameters): Update "nregs" comment.
1177
1178 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1179
1180         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1181         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1182         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1183         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1184         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1185         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1186         than target_flags & 0.
1187         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1188         (iq2000_arch, iq2000_parse_cpu): Delete.
1189         (TARGET_HANDLE_OPTION): Override default.
1190         (iq2000_handle_option): New function.
1191         (override_options): Remove -march= and -mcpu= handling.
1192         * config/iq2000/iq2000.opt: New file.
1193
1194 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1195
1196         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1197         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1198         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1199         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1200         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1201         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1202         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1203         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1204         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1205         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1206         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1207         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1208         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1209         (TARGET_OPTIONS): Delete.
1210         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1211         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1212         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1213         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1214         (c4x_cpu_version_string): Delete.
1215         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1216         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1217         equivalent -mcpu= option.
1218         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1219         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1220         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1221         or clearing the appropriate MASK_* bit.
1222         (c4x_file_start): Use c4x_cpu_version.
1223         * config/c4x/c4x.opt: New file.
1224
1225 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1226
1227         * doc/options.texi: Document the new MaskExists flag.
1228         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1229         if the option has the MaskExists flag.
1230
1231 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1232
1233         * opt-functions.awk (flag_set_p, test_flag): New functions.
1234         (switch_flags): Use them.
1235         * opth-gen.awk: Use flag_set_p to check for flags.
1236         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1237
1238 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1239
1240         * config.host (i[34567]86-*-mingw32*): Don't set
1241         host_can_use_collect2 to no.
1242
1243 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1244
1245         PR target/20203
1246         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1247         Remove convert_memory_address call duplicating that in memory_address.
1248
1249 2005-03-29  Richard Henderson  <rth@redhat.com>
1250
1251         PR c/20519
1252         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1253         (build_compound_literal): Likewise.  Propagate decl type into the
1254         initializer.
1255         (finish_decl): Likewise.  Use new return value from complete_array_type
1256         for zero sized arrays.
1257         (complete_array_type): Move ...
1258         * c-common.c (complete_array_type): ... here.  Change first argument
1259         to pointer-to-type-node.  Consistently use sizetype for the index
1260         except for zero sized arrays.  Detect zero sized arrays for pedantic
1261         mode diagnostics.  Create a new type node instead of modifying the
1262         old node in place.
1263         * c-tree.h (complete_array_type): Move decl ...
1264         * c-common.h (complete_array_type): ... here.
1265
1266 2005-03-29  Richard Henderson  <rth@redhat.com>
1267
1268         PR tree-opt/19108
1269         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1270
1271 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1272
1273         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1274         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1275         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1276         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1277
1278 2005-03-29  Eric Christopher  <echristo@redhat.com>
1279
1280         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1281         truthvalue conversion removal.
1282
1283 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1284
1285         PR bootstrap/14316
1286         * collect2.c: Never include <vfork.h>.
1287         (VFORK_STRING, vfork): Don't define.
1288         (pid): Remove global variable.
1289         (handler): Call raise instead of kill (getpid(), ...).
1290         (collect_wait): Add pex parameter.  Change all callers.  Use
1291         pex_get_status rather than pwait.
1292         (do_wait): Add pex parameter.  Change all callers.
1293         (collect_execute): Return struct pex_obj * rather than void.  Use
1294         pex routines rather than pexecute.
1295         (fork_execute): Get pex_obj from collect_execute, and pass it to
1296         do_wait.
1297         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1298         Only declare quit_handler if SIGQUIT is defined.
1299         (scan_libraries): Likewise.
1300         * collect2.h (collect_execute): Update declaration.
1301         (collect_wait): Update declaration.
1302         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
1303         pass it to collect_wait.
1304
1305 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
1306
1307         PR c/20672
1308         * c-parser.c (c_parser_compound_statement_nostart): Give error
1309         message for EOF instead of just setting parser->error.
1310
1311 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
1312
1313         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
1314         (slpeel_update_phi_nodes_for_guard1): New function.
1315         (slpeel_update_phi_nodes_for_guard2): New function.
1316         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
1317         of slpeel_update_phi_nodes_for_guard.
1318         (vectorize_loops): Remove call to loop_closed_rewrite.
1319         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
1320         assertion.
1321
1322 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
1323
1324         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
1325         (TARGET_LITTLE_ENDIAN): New macro.
1326         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
1327         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
1328         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
1329         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
1330         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
1331         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
1332         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
1333         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
1334         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
1335         (TARGET_OPTIONS): Delete.
1336         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
1337         (CACHE_FLUSH_TRAP): Turn into an integer.
1338         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
1339         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
1340         -mflush-trap is in use.
1341         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
1342         (m32r_cache_flush_trap_string): Delete.
1343         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
1344         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
1345         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
1346         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1347         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
1348         -mmodel= and -msdata= handling from...
1349         (m32r_init): ...here.
1350         * config/m32r/m32r.opt: New file.
1351
1352 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
1353
1354         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
1355         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
1356         * tree-vect-analyze.c (vect_object_analysis): additional parm
1357         pass back a "struct ptr_info_def *" with the points-to info.
1358         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
1359         statement using info returned from vect_object_analysis.
1360         * tree-vect-transform.c (update_vuses_to_preheader): New function.
1361         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
1362         for virtual uses and defs when creating a replacement vector
1363         reference.  Call duplicate_ssa_name_ptr_info to define points-to
1364         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
1365         (vectorizable_store): copy_virtual_operands and update
1366         definition statements.
1367         (vectorizable_load): copy_virtual_operands.  Remove call to
1368         mark_call_clobbered_vars_to_rename for call to "const" builtin.
1369         * tree-vectorizer.c (vectorize_loops): Remove calls to
1370         rewrite_into_ssa and bitmap_clear (vars_to_rename).
1371         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
1372         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
1373         define macro STMT_VINFO_PTR_INFO for use in accessing.
1374         * tree.h add export of duplicate_ssa_name_ptr_info.
1375         * rs6000.c (altivec_init_builtins): Declare builtin function
1376         __builtin_altivec_mask_for_load to be "const".
1377
1378 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
1379
1380         PR middle-end/20622
1381         * cgraph.h (struct cgraph_varpool_node): Add alias field.
1382         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
1383         assemble_variable on aliases.
1384         * varasm.c (assemble_alias): Set node->alias.
1385         * toplev.c (wrapup_global_declarations): Don't call
1386         rest_of_decl_compilation on aliases again.
1387
1388 2005-03-29  Paul Brook  <paul@codesourcery.com>
1389
1390         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
1391         * config/arm/arm.c (arm_dbx_register_number): New function.
1392         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
1393
1394 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
1395
1396         PR middle-end/20263
1397         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
1398         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
1399
1400 2005-03-29  Dale Johannesen <dalej@apple.com>
1401
1402         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
1403         $(TREE_H) and $(COVERAGE_H).
1404         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
1405         * opts.c (common_handle_option): Enable tree-based value transforms.
1406         * toplev.c (process_options): Ditto.
1407         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
1408         refers to references to this type.
1409         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
1410         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
1411         for may_be_more, may_be_less.
1412         (rtl_gen_pow2_profiler): Adjust.
1413         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
1414         (rtl_gen_one_value_profiler): Adjust.
1415         (rtl_gen_const_delta_profiler): Adjust.
1416         * tree-profile.c (tree_gen_interval_profiler): Implement.
1417         (tree_gen_pow2_profiler): Ditto.
1418         (tree_gen_one_value_profiler): Ditto.
1419         (tree_profiling): New.
1420         (pass_tree_profile): Reference it.
1421         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
1422         tree.h, gcov-io.h.
1423         (insn_divmod_values_to_profile): Rename to
1424         rtl_divmod_values_to_profile. Adjust.
1425         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
1426         (insn_prefetch_values_to_profile): Adjust.
1427         (rtl_value_profile_transformations): Adjust.
1428         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
1429         (gen_mod_pow2): Rename to rtl_mod_pow2.
1430         (gen_mod_subtract): Rename to rtl_mod_subtract.
1431         (divmod_fixed_value_transform): Rename to
1432         rtl_divmod_fixed_value_transform.
1433         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
1434         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
1435         (rtl_find_values_to_profile): Adjust.
1436         (tree_value_profile_transformations): Implement.
1437         (tree_divmod_values_to_profile): New.
1438         (tree_values_to_profile): New.
1439         (tree_divmod_fixed_value): New.
1440         (tree_mod_pow2): New.
1441         (tree_mod_subtract): New.
1442         (tree_divmod_fixed_value_transform): New.
1443         (tree_mod_pow2_value_transform): New.
1444         (tree_mod_subtract_transform): New.
1445         (tree_find_values_to_profile): Implement.
1446         * profile.c (instrument_values):  Free histograms.
1447         (compute_value_histograms): Adjust. Implement tree version.
1448
1449 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
1450
1451         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
1452         * config/i386/i386.c (output_fix_trunc): Add new round_mode
1453         variable.  Output "fldcw" depending on round_mode.
1454         * config/i386/i386.md (UNSPEC_FIST): New.
1455         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
1456         New isns patterns to implement lrint and llrint built-ins as x87
1457         intrinsic function.
1458         (fistdi2, fist<mode>2 splitters): New splitters.
1459         (lrint<mode>2): New expanders.
1460
1461 2005-03-28  Ian Lance Taylor  <ian@airs.com>
1462
1463         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
1464         0 when calling final_scan_insn.
1465
1466 2005-03-28  Jan Hubicka  <jh@suse.cz>
1467
1468         PR middle-end/20635
1469         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
1470         as needed.
1471
1472         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
1473         types where possible.
1474
1475 2005-03-26  Per Bothner  <per@bothner.com>
1476
1477         Make -f[no-]show-column also control non-cpp diagnostics.
1478         * c.opt (fshow-column): Move option from here ...
1479         * common.opt (fshow-column): ... to here.
1480         * diagnostic.c (diagnostic_build_prefix): Only print column number
1481         if flag_show_column.
1482
1483 2005-03-27  Steven Bosscher  <stevenb@suse.de>
1484
1485         * vax-protos.h (vax_output_int_move, vax_output_int_add,
1486         vax_output_conditional_branch): New prototypes.
1487         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
1488         extracted from vax.md mov and add patterns.
1489         (vax_output_conditional_branch): New function to output conditional
1490         branch instructions.
1491         * vax.md: Use mode macros for arithmetic and mov patterns.
1492         Use code macros for the jump patterns.
1493
1494 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1495
1496         * Makefile.in (libbackend.o): Depend on version files;
1497         add custom generation command.
1498
1499 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1500
1501         PR target/20636
1502         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
1503         sure that we have a REG before getting its REGNO.
1504
1505 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1506
1507         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
1508         * builtins.def (BUILT_IN_STRNDUP): New.
1509
1510 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
1511
1512         PR tree-optimization/20470
1513         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
1514         ABS(x-y).
1515
1516 2005-03-25  Mike Stump  <mrs@apple.com>
1517
1518         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
1519         sized objects.
1520
1521 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
1522
1523         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
1524         Use our own structure definitions.
1525
1526         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
1527         (fix_truncdfsi2): Allow registers or memory as destination.
1528         When TARGET_PPC_GFXOPT, generate simplified pattern.
1529         (fix_truncdfsi2_internal): Use define_insn_and_split.
1530         (fix_truncdfsi2_internal_gfxopt): New.
1531         (fctiwz): Don't confuse register allocation by giving it no choices.
1532         (stfiwx): New.
1533         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
1534         (EXTRA_MEMORY_CONSTRAINT): Likewise.
1535         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
1536         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
1537
1538 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1539
1540         * dominance.c (free_dominance_info): Speed up by freeing et
1541         data structures without maintaining other nodes.
1542         * et-forest.c (et_free_tree_force): New.
1543         * et-forest.h: Add a prototype for et_free_tree_force.
1544
1545         * tree.c (get_set_constructor_bits,
1546         get_set_constructor_bytes): Remove.
1547         * tree.h: Remove the corresponding prototypes.
1548
1549 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1550
1551         PR target/15491
1552         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
1553         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
1554         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
1555         PRE_DEC, NEG and NOT.
1556
1557 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1558
1559         * fold-const.c: Convert uses of fold (build (...)) to
1560         fold_buildN.
1561
1562 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
1563
1564         PR rtl-optimization/20249
1565         * cse.c (insert_regs): Do not record equivalence of registers in
1566         different modes.
1567
1568 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
1569
1570         * emit-rtl.c (reverse_comparison): Remove.
1571         * rtl.h: Remove the corresponding prototype.
1572
1573 2005-03-24  James E Wilson  <wilson@specifixinc.com>
1574
1575         * doc/install.texi (--enable-altivec): Delete docs.
1576
1577 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
1578
1579         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
1580         SFmode and DFmode before reload when
1581         flag_unsafe_math_optimizations not enabled.
1582
1583 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
1584
1585         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
1586
1587         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
1588         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
1589
1590 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1591
1592         * configure.ac (enable-checking): Add 'runtime' option.
1593         * doc/install.texi (enable-checking): Document 'runtime' checking.
1594         * tsystem.h (gcc_assert, gcc_unreachable): Define.
1595         * config.in: Regenerated.
1596         * configure: Regenerated.
1597
1598 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
1599
1600         * optabs.h (enum optab_index): Remove OTI_llrint.
1601         (llrint_optab): Remove macro.
1602         * optabs.c (init_optabs): Remove llrint_optab initialization.
1603         * genopinit.c (optabs): Remove llrint_optab implementation.
1604         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
1605         using lrint_optab.
1606
1607 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
1608
1609         PR rtl-optimization/20532
1610         * simplify-rtx.c (simplify_binary_operation_1): Protect from
1611         overflow when adding coefficients for PLUS or MINUS.
1612         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
1613         two as multiplier.
1614
1615 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1616
1617         * langhooks.h (truthvalue_conversion): Remove.
1618         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1619         LANG_HOOKS_TRUTHVALUE_CONVERSION.
1620         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
1621         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
1622         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
1623
1624 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
1625
1626         * params.def: Fix a typo.
1627         * config/mips/mips.c: Follow the spelling convensions.
1628         * doc/invoke.texi: Fix typos.
1629
1630 2005-03-18  Dale Johannese  <dalej@apple.com>
1631
1632         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
1633
1634 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
1635
1636         Fix PR tree-optimization/20601
1637
1638         * tree-ssa-pre.c (insert_aux): Add missing condition to
1639         constification.
1640
1641 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1642
1643         * final.c (final_scan_insn): Don't remove no-op instructions.
1644         * reload1.c (reload): Remove simple no-op instructions even when
1645         not optimizing.
1646
1647 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
1648
1649         PR tree-optimization/20501
1650         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
1651         reporting that peeling for alignment is applied moved to...
1652         * (vect_analyze_data_refs_alignment): Here.
1653
1654 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1655
1656         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
1657
1658 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1659
1660         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
1661         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
1662
1663 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
1664
1665         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
1666         imply that this is called once, independent of asms in code.
1667         Adjust to now being pased output and input lists.  Mention helper
1668         function decl_overlaps_hard_reg_set_p.
1669         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
1670         hook_tree_tree_identity and to take three trees, returning third.
1671         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
1672         prototype.
1673         * stmt.c: include hard-reg-set.h before tree.h.
1674         (decl_overlaps_hard_reg_set_p): New function, broken out from...
1675         (decl_conflicts_with_clobbers_p): Call
1676         decl_overlaps_hard_reg_set_p.
1677         (expand_asm_operands): Pass output and input lists in call to
1678         targetm.md_asm_clobbers.
1679         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
1680         hook_tree_tree_tree_tree_3rd_identity.
1681         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
1682         parameters.
1683         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
1684         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
1685         parameters, first two unused.
1686         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
1687         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
1688         in constraint letters and MOF is not mentioned as a asm-declared
1689         register in neither of the input and output lists.
1690
1691 2005-03-23  DJ Delorie  <dj@redhat.com>
1692
1693         * optabs.c (expand_binop): Make sure the first subword's result
1694         gets stored.
1695
1696 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1697
1698         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
1699         Call c_common_truthvalue_conversion rather than
1700         lang_hooks.truthvalue_conversion.
1701         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
1702         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
1703         c-typeck.c.
1704         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
1705         c_common_truthvalue_conversion.
1706         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
1707         c_parser_conditional_expression, c_parser_binary_expression): Call
1708         c_objc_common_truthvalue_conversion.
1709         * c-typeck.c (build_unary_op): Call
1710         c_objc_common_truthvalue_conversion.
1711         (build_conditional_expr): Do not call
1712         lang_hooks.truthvalue_conversion.
1713         (build_binary_op): Call c_common_truthvalue_conversion.
1714         (c_objc_common_truthvalue_conversion): Moved from
1715         c-objc-common.c.  Call default_function_array_conversion instead
1716         of default_conversion.
1717
1718 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1719
1720         * c-common.h (default_conversion): Remove.
1721         (perform_integral_promotions): Add.
1722         * c-tree.h (default_conversion): Add.
1723         * c-typeck.c (perform_integral_promotions): New, split out from
1724         default_conversion.
1725         * c-common.c (check_case_value): Use perform_integral_promotions,
1726         not default_conversion.
1727         (c_add_case_label): Don't continue processing case label after
1728         found to be pointer.
1729
1730 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
1731
1732         * gcc.c (do_spec_1): Do not add a -L path for a directory in
1733         the prefix list if we have already added a multilib directory
1734         based on that path.
1735         (main): Do not add MD_EXEC_PREFIX to the list of directories to
1736         search with -L.
1737
1738 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1739
1740         * reload1.c (indirect_symref_ok, reload_obstack): Make them
1741         static.
1742         * reload.h: Remove the prototype for indirect_symref_ok.
1743
1744         * reload1.c (indirect_symref_ok): Make it global.
1745         * reload.h: Add a prototype for indirect_symref_ok.
1746
1747 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1748
1749         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
1750         ashlhi3 expander.
1751
1752 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1753
1754         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
1755
1756 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
1757
1758         * c-opts.c (c_common_parse_file): Only start/end main source file
1759         if debug hooks says the writer wants it.
1760         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
1761         member.
1762         (xcoff_debug_hooks): Ditto.
1763         * debug.c (do_nothing_hooks): Ditto.
1764         * debug.h (gcc_debug_hooks): Ditto.
1765         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
1766         * sdbout.c (sdb_debug_hooks): Ditto.
1767         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
1768
1769 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
1770
1771         * doc/extend.texi: Deprecate C++ min/max operators.
1772
1773 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
1774
1775         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
1776         artificial original candidates.
1777
1778 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
1779             Jan Hubicka  <jh@suse.cz>
1780             Steven Bosscher <stevenb@suse.de>
1781
1782         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
1783         call cost based on argument sizes.
1784         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
1785         inlining.
1786         * params.def: (max-inline-inssn-single): Set to 450.
1787         (max-inline-insns-auto): Set to 90.
1788         (max-inline-insns-recursive): Set to 450
1789         (max-inline-insns-recursive-auto): Set to 450.
1790         (large-function-insns): Set to 2700.
1791         (inline-call-cost): New parameter.
1792         * tree-inline.c (estimate_move_cost): New function.
1793         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
1794         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
1795         based on arguments.
1796         * tree-inline.h (estimate_move_cost): Declare.
1797         * invoke.texi: (max-inline-inssn-single): Change default to 450.
1798         (max-inline-insns-auto): Change default to 90.
1799         (max-inline-insns-recursive): Change default to 450
1800         (max-inline-insns-recursive-auto): Change default to 450.
1801         (large-function-insns): Change default to 2700.
1802         (inline-call-cost): Document new parameter.
1803
1804 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1805
1806         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
1807         (TARGET_DEFAULT): Delete.
1808         * config/i860/i860.opt: New file.
1809
1810 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1811
1812         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
1813         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1814         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1815         (frv_sched_lookahead): Delete.
1816         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
1817         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
1818         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
1819         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
1820         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
1821         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
1822         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
1823         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
1824         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
1825         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
1826         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
1827         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
1828         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
1829         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
1830         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
1831         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
1832         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
1833         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
1834         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
1835         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
1836         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
1837         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
1838         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
1839         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1840         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1841         (frv_sched_lookahead): Delete.
1842         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
1843         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1844         (frv_handle_option): New function.  Move -mcpu= handling from...
1845         (frv_override_options): ...here.  Remove handling of other
1846         TARGET_OPTIONS.
1847         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
1848         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
1849         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
1850         and TARGET_NO_MULTI_CE.
1851         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
1852         !TARGET_VLIW_BRANCH.
1853         * config/frv/frv.opt: New file.
1854
1855 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1856
1857         * fold-const.c (fold_ternary): Take decomposed arguments of
1858         CALL_EXPR.
1859         (fold): Update a call to fold_ternary.
1860
1861         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
1862         * tree.h: Add corresponding prototypes.
1863
1864 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
1865
1866         PR target/20561
1867         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
1868         between jump table and its label.
1869         * final.c (shorten_branches): Handle notes in between ADDR_VEC
1870         resp. ADDR_DIFF_VEC and the label preceeding it.
1871         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
1872         is emitted in the right section.
1873
1874 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1875
1876         * fold-const.c (fold_unary, fold_binary): Update comments
1877         about arguments.
1878
1879 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
1880
1881         PR rtl-optimization/20527
1882         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
1883         REG_INC note, test that the register also isn't mentioned in PRED
1884         or SUCC.
1885
1886 2005-03-22  Ben Elliston  <bje@au.ibm.com>
1887
1888         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
1889         and definition.
1890
1891 2005-03-21  Mike Stump  <mrs@apple.com>
1892
1893         * varasm.c (default_assemble_visibility): Remove extra ().
1894
1895 2005-03-21  Roger Sayle  <roger@eyesopen.com>
1896
1897         PR middle-end/20557
1898         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
1899         to determine whether a block can be duplicated, rather than test
1900         whether the block contains noncopyable insns ourselves.
1901
1902 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1903
1904         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
1905         predicates.
1906
1907 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1908
1909         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
1910
1911 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1912
1913         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
1914         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
1915         * config/fr30/fr30.opt: New file.
1916
1917 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
1918
1919         Fix PR tree-optimization/20542
1920
1921         * tree-flow-inline.h (overlap_subvar): Move to here.
1922         * tree-ssa-operands.c: From here.
1923         * tree-flow.h (overlap_subvar): Declare.
1924         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
1925         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
1926         for variables with subvars.
1927
1928 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
1929
1930         PR middle-end/20177
1931         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
1932         * modulo-sched.c (const_iteration_count): Return on NULL
1933         pre-header.
1934         (print_node_sched_params): Return on NULL dump_file.
1935         (generate_reg_moves): Handle reg-anti dependencies and disregard
1936         closing branch when generating register moves.
1937         (sms_schedule): Mark the SMSed block dirty.
1938         * passes.c (rest_of_handle_sms): Call update_life_info for all
1939         basic-blocks.
1940         * testsuite/gcc.dg/20050321-1.c: New test.
1941
1942 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1943
1944         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
1945         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
1946         movqi_internal): Likewise.
1947
1948 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
1949
1950         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
1951         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
1952         xtensa_b4const): Delete prototypes.
1953         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
1954         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
1955         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
1956         xtensa_extra_constraint): New prototypes.
1957         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1958         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1959         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1960         move_operand, const_float_1_operand, fpmem_offset_operand,
1961         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
1962         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
1963         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
1964         argument type to HOST_WIDE_INT.
1965         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
1966         xtensa_mask_immediate): Likewise.
1967         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
1968         Likewise.  Also make these functions static.
1969         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
1970         (xtensa_const_ok_for_letter_p): New.
1971         (add_operand, arith_operand, nonimmed_operand, mem_operand,
1972         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
1973         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
1974         move_operand, const_float_1_operand, fpmem_offset_operand,
1975         branch_operator, ubranch_operator, boolean_operator): Move to
1976         predicates.md.
1977         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
1978         (xtensa_mem_offset): Change return type to bool.
1979         (xtensa_extra_constraint): New.
1980         (gen_int_relational): Update type of const_range_p function pointer.
1981         Use xtensa_b4const_or_zero.
1982         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
1983         xtensa_const_ok_for_letter_p.  Update comments.
1984         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
1985         (PREDICATE_CODES): Delete.
1986         * config/xtensa/xtensa.md: Include predicates.md.
1987         * config/xtensa/predicates.md: New file.
1988
1989 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1990
1991         * config/v850/v850-protos.h: Remove the prototypes for
1992         reg_or_int9_operand, reg_or_const_operand,
1993         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
1994         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
1995         movsi_source_operand, power_of_two_operand,
1996         not_power_of_two_operand, special_symbolref_operand,
1997         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
1998         register_is_ok_for_epilogue.
1999         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2000         reg_or_int9_operand, reg_or_const_operand,
2001         call_address_operand, special_symbolref_operand,
2002         movsi_source_operand, power_of_two_operand,
2003         not_power_of_two_operand, register_is_ok_for_epilogue,
2004         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2005         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2006         predicates.md.
2007         * config/v850/v850.h (PREDICATE_CODES): Remove.
2008         * config/v850/v850.md: Include predicates.md.
2009         * config/v850/predicates.md: New.
2010
2011 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2012
2013         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2014         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2015         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2016         (itoolsdir, itoolsdatadir): Move definition above new first use.
2017         (install-itoolsdirs): New rule.
2018         (install-mkheaders): Depend on install-itoolsdirs, not
2019         install-include-dir.
2020
2021 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2022
2023         * tree-into-ssa.c: Remove obsolete comments.
2024
2025 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2026
2027         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2028         unrolling if -fpeel-loops is specified, too.
2029         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2030         Remove superfluous check for flag_unroll_loops.
2031
2032 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2033
2034         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2035         (lrint_optab, llrint_optab): Define corresponding macros.
2036         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2037         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2038         pattern and llrint_optab using llrintdi2 patterns.
2039         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2040         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2041         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2042         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2043         flag_unsafe_math_optimizations is set.
2044
2045 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2046
2047         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2048         simplify_logical, if_then_else_cond, known_cond,
2049         simplify_comparison): Adjust calls to reverse_comparison.
2050         Don't use combine_reversed_comparison_code).
2051         (combine_reversed_comparison_code): Remove.
2052         (reversed_comparison): Using reversed_comparison_code, move it...
2053         * jump.c (reversed_comparison): ... here.
2054         * rtl.h (reversed_comparison): Add prototype.
2055
2056 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2057
2058         * builtins.c (fold_builtin): Take decomposed arguments of
2059         CALL_EXPR.
2060         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2061         * gimplify.c (gimplify_call_expr): Likewise.
2062         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2063         * tree.h: Update the prototype of fold_builtin.
2064
2065 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2066
2067         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2068         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2069         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2070         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2071         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2072
2073 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2074
2075         * builtins.c (fold_builtin_1): Take decomposed arguments of
2076         CALL_EXPR.
2077         (fold_builtin): Update a call to fold_builtin_1.
2078
2079 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2080
2081         PR other/20564
2082         * gcov.c (output_lines): Only output function block summary when
2083         outputting branch information.
2084         * doc/gcov.texi: Document format of preamble and additional block
2085         information lines.
2086
2087 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2088
2089         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2090         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2091         the defaults false if BITS_PER_UNIT != 8.
2092         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2093         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2094         than BITS_PER_UNIT != 8.
2095         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2096         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2097         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2098         #undefs.
2099         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2100         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2101
2102 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2103
2104         PR middle-end/20539
2105         * fold-const.c (fold_binary): Fix type mismatch between
2106         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2107         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2108         for non-truth-valued expressions.
2109
2110         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2111         and FUNCTION_DECL in the main switch.
2112         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2113         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2114         we also need to convert their operands to match.
2115         <TRUTH_NOT_EXPR>: Likewise.
2116
2117 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2118
2119         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2120         diagnostic without checking whether an lvalue.
2121         * c-common.h (lvalue_p): Remove.
2122         (enum lvalue_use): Update comment.
2123         (lvalue_or_else): Replace by lvalue_error.
2124         * c-typeck.c (lvalue_p): Make static.
2125         (lvalue_or_else): New.  Call lvalue_error.
2126
2127 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2128
2129         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2130         (function_arg_advance): Use rs6000_parm_start.
2131         (function_arg, rs6000_arg_partial_bytes): Likewise.
2132
2133 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2134
2135         * c-common.c (check_case_value): Adjust comment about stripping
2136         NOPs.
2137         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2138         * c-typeck.c (default_conversion, convert_arguments,
2139         build_modify_expr, convert_for_assignment, store_init_value,
2140         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2141         manually.  Remove inaccurate comments.
2142
2143 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2144             Joseph S. Myers  <joseph@codesourcery.com>
2145
2146         * varasm.c (do_assemble_alias): Restore comment describing function.
2147         Annotate the target parameter as potentially unused.
2148
2149 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2150
2151         PR target/18551
2152         * config/avr/avr.c (avr_output_function_prologue): Do not use
2153         current_function_name() in a label, use a local label instead.
2154
2155 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2156
2157         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2158         flag_finite_math_only, not flag_unsafe_math_optimizations.
2159
2160 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2161
2162         * builtins.c (fold_builtin_1): Update a call to
2163         targetm.fold_builtin.
2164         * hooks.c (hook_tree_tree_bool_null): Rename to
2165         hook_tree_tree_tree_bool_null.  Take one more argument of type
2166         tree.
2167         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2168         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2169         hook_tree_tree_tree_bool_null.
2170         * target.h (gcc_target): Update the prototype of fold_builtin.
2171         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2172         arguments of CALL_EXPR.
2173         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2174         new prototype.
2175
2176 2005-03-20  Jan Hubicka  <jh@suse.cz>
2177
2178         * cgraph.h (cgraph_node): Add prev_clone pointer.
2179         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2180         (cgraph_clone_node): Produce doubly linked chain.
2181
2182 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2183
2184         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2185         get_nonnull_operand, handle_sentinel_attribute,
2186         check_function_arguments_recurse): Do not strip NOPS from
2187         INTEGER_CSTs.
2188         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2189         Likewise.
2190         * c-format.c (get_constant): Likewise.
2191         * c-parser.c (c_parser_postfix_expression): Likewise.
2192         * c-typeck.c (set_init_index): Likewise.
2193         (convert_arguments): Don't check for NOP_EXPR containing integer
2194         constant.
2195
2196 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2197
2198         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2199         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2200         Take decomposed arguments of CALL_EXPR.
2201         (fold_builtin_1): Update calls to the functions mentioned
2202         above.
2203
2204 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2205
2206         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2207         width to have integer type.
2208         (build_enumerator): Require enumerator value to have integer type.
2209
2210 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2211
2212         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2213         to __builtin_inff.
2214
2215 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2216
2217         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2218         std=iso9899:199x): Correct descriptions.
2219
2220 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2221
2222         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2223         solaris2.1[0-9].
2224
2225 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2226
2227         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2228         of CALL_EXPR.
2229         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2230         fold_builtin_memcpy.
2231
2232         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2233         arguments of CALL_EXPR.
2234         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2235         fold_builtin_found, fold_builtin_1): Update calls to
2236         fold_trunc_transparent_mathfn.
2237
2238 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2239
2240         PR middle-end/20493
2241         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2242         function pointers on targets that require function pointer
2243         canonicalization.
2244         (fold_sign_changed_comparison): Likewise.
2245
2246 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2247
2248         * combine.c (try_combine): When changing the mode of a hard reg, make
2249         sure that doing so is valid.
2250
2251 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2252
2253         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2254         (TARGET_HANDLE_OPTION): Override default.
2255         (avr_handle_option): New function.
2256         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2257         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2258         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2259         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2260         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2261         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2262         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2263         (TARGET_OPTIONS): Delete.
2264         * config/avr/avr.opt: New file.
2265
2266 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2267
2268         * config/m32r/m32r-protos.h: Remove the prototypes for
2269         call_address_operand, symbolic_operand, seth_add3_operand,
2270         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2271         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2272         two_insn_const_operand, move_src_operand,
2273         move_double_src_operand, move_dest_operand,
2274         eqne_comparison_operator, signed_comparison_operator,
2275         large_insn_p, conditional_move_operand, carry_compare_operand,
2276         m32r_block_immediate_operand, extend_operand,
2277         reg_or_eq_int16_operand, int8_operand, and
2278         reg_or_zero_operand.
2279         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2280         seth_add3_operand, int8_operand, cmp_int16_operand,
2281         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2282         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2283         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2284         move_double_src_operand, move_dest_operand,
2285         eqne_comparison_operator, signed_comparison_operator,
2286         extend_operand, small_insn_p, large_insn_p,
2287         conditional_move_operand, carry_compare_operand,
2288         m32r_block_immediate_operand): Move to predicates.md.
2289         (MAX_MOVE_BYTES): Move to m32r.h.
2290         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2291         * config/m32r/m32r.md: Include predicates.md.
2292         * config/m32r/predicates.md: New.
2293
2294 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2295
2296         PR c++/19769
2297         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2298         origin.
2299
2300 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2301
2302         * config/mn10300/mn10300-protos.h: Remove the prototypes for
2303         call_address_operand, const_8bit_operand.
2304         * config/mn10300/mn10300.c (call_address_operand,
2305         const_8bit_operand, const_1f_operand): Move to predicates.md.
2306         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
2307         * config/mn10300/mn10300.md: Include predicates.md.
2308         * config/mn10300/predicates.md: New.
2309
2310 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
2311
2312         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
2313         declarations in diagnostics and %E for identifiers, not %s.
2314
2315 2005-03-18  Jan Hubicka  <jh@suse.cz>
2316             Dale Johannesen  <dalej@apple.com>
2317
2318         * basic-block.h (scale_bbs_frequencies_int,
2319         scale_bbs_frequencies_gcov_type): Declare.
2320         * cfg.c (RDIV): New macro.
2321         (update_bb_frequency_for_threading): Fix.
2322         * basic-block.h (scale_bbs_frequencies_int,
2323         scale_bbs_frequencies_gcov_type): New.
2324         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
2325         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
2326         scale_bbs_frequencies_int.
2327         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
2328
2329 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2330
2331         * config/m32r/m32r-protos.h: Remove the prototypes for
2332         call_address_operand, symbolic_operand, seth_add3_operand,
2333         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2334         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2335         two_insn_const_operand, move_src_operand,
2336         move_double_src_operand, move_dest_operand,
2337         eqne_comparison_operator, signed_comparison_operator,
2338         large_insn_p, conditional_move_operand, carry_compare_operand,
2339         m32r_block_immediate_operand, extend_operand,
2340         reg_or_eq_int16_operand, int8_operand, and
2341         reg_or_zero_operand.
2342         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2343         seth_add3_operand, int8_operand, cmp_int16_operand,
2344         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2345         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2346         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2347         move_double_src_operand, move_dest_operand,
2348         eqne_comparison_operator, signed_comparison_operator,
2349         extend_operand, small_insn_p, large_insn_p,
2350         conditional_move_operand, carry_compare_operand,
2351         m32r_block_immediate_operand): Move to predicates.md.
2352         (MAX_MOVE_BYTES): Move to m32r.h.
2353         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2354         * config/m32r/m32r.md: Include predicates.md.
2355         * config/m32r/predicates.md: New.
2356
2357         * config/pa/pa-protos.h: Add prototypes for magic_milli and
2358         shadd_constant_p.
2359         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
2360         symbolic_operand, symbolic_memory_operand,
2361         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
2362         indexed_memory_operand, move_dest_operand, move_src_operand,
2363         prefetch_cc_operand, prefetch_nocc_operand,
2364         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
2365         arith_operand, arith11_operand, pre_cint_operand,
2366         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
2367         ireg_operand, int5_operand, uint5_operand, int11_operand,
2368         uint32_operand, arith5_operand, and_operand, ior_operand,
2369         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
2370         pc_or_label_operand, div_operand, plus_xor_ior_operator,
2371         shadd_operand, movb_comparison_operator,
2372         cmpib_comparison_operator): Move to predicates.md.
2373         (magic_milli, shadd_constant_p): Make it extern.
2374         * config/pa/pa.h (PREDICATE_CODES): Remove.
2375         * config/pa/pa.md: Include predicates.md.
2376         * config/pa/predicates.md: New.
2377
2378         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
2379         predicate.
2380
2381 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2382
2383         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
2384         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2385         config/alpha/freebsd.h, config/alpha/linux.h,
2386         config/alpha/netbsd.h, config/alpha/osf5.h,
2387         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
2388         config/h8300/h8300-protos.h, config/h8300/h8300.c,
2389         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
2390         doc/cppopts.texi: Update copyright.
2391
2392 2005-03-18  Jan Hubicka  <jh@suse.cz>
2393
2394         PR middle-end/20225
2395         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
2396         too late.
2397         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
2398         called too late.
2399
2400 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2401
2402         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
2403         VEC_safe_push.
2404
2405 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
2406
2407         * combine.c (gen_binary): Remove.
2408         (known_cond, simplify_shift_const, find_split_point,
2409         combine_simplify_rtx, simplify_if_then_else, simplify_set,
2410         simplify_logical, expand_field_assignment, extract_left_shift,
2411         force_to_mode, if_then_else_cond, apply_distributive_law,
2412         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
2413         simplify_comparison, reversed_comparison): Replace with
2414         simplify_gen_binary, simplify_gen_relational or
2415         distribute_and_simplify_rtx.
2416         (distribute_and_simplify_rtx): New function.
2417
2418 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2419             Paolo Bonzini  <gcc.gnu.org>
2420
2421         * calls.c (setjmp_call_p, special_function_p): Update comments
2422         at the head of the functions.
2423
2424 2005-03-18  Jan Hubicka  <jh@suse.cz>
2425
2426         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
2427
2428         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
2429         function body should be released; do not proactively release function
2430         bodies in non-unit-at-a-time mode.
2431
2432 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
2433
2434         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
2435         mno-fp-ret-in-387 multilib variants.
2436
2437 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
2438
2439         * common.opt (m): Remove.
2440         * opts.c (handle_option): Pass 'm' options to set_target_switch if
2441         table lookup fails.
2442         (common_handle_option): Remove OPT_m case.
2443
2444 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2445
2446         * builtins.c (fold_builtin_bitop): Take decomposed arguments
2447         of CALL_EXPR.
2448         (fold_builtin_1): Update a call to fold_builtin_bitop.
2449
2450         * builtins.c (fold_builtin_signbit): Take decomposed arguments
2451         of CALL_EXPR.
2452         (fold_builtin_1): Update a call to fold_builtin_signbit.
2453
2454 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
2455
2456         PR tree-optimization/20474
2457         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
2458         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
2459
2460 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2461
2462         * config/h8300/h8300-protos.h: Remove prototypes for
2463         general_operand_src, general_operand_dst, single_one_operand,
2464         single_zero_operand, call_insn_operand,
2465         two_insn_adds_subs_operand, small_call_insn_operand,
2466         jump_address_operand, bit_operand, bit_memory_operand,
2467         stack_pointer_operand, const_int_gt_2_operand,
2468         const_int_ge_8_operand, const_int_qi_operand,
2469         const_int_hi_operand, incdec_operand, bit_operator,
2470         nshift_operator, eqne_operator, gtle_operator,
2471         gtuleu_operator, iorxor_operator.
2472         Add prototypes for h8sx_shift_type h8sx_classify_shift and
2473         h8300_ldm_stm_parallel.
2474         * config/h8300/h8300.c (h8sx_shift_type,): Move to
2475         h8300-protos.h.
2476         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
2477         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
2478         (h8300_ldm_stm_parallel): Make it extern.
2479         (h8300_ldm_parallel, h8300_stm_parallel,
2480         h8300_return_parallel, general_operand_src,
2481         general_operand_dst, h8300_dst_operand, h8300_src_operand,
2482         nibble_operand, reg_or_nibble_operand, single_one_operand,
2483         single_zero_operand, call_insn_operand,
2484         two_insn_adds_subs_operand, small_call_insn_operand,
2485         jump_address_operand, bit_operand, bit_memory_operand,
2486         stack_pointer_operand, const_int_gt_2_operand,
2487         const_int_ge_8_operand, const_int_qi_operand,
2488         const_int_hi_operand, incdec_operand, eqne_operator,
2489         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
2490         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
2491         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
2492         nshift_operator): Move to predicates.md.
2493         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
2494         * config/h8300/h8300.md: Include predicates.md.
2495         * config/h8300/predicates.md: New.
2496
2497 2005-03-17  Richard Henderson  <rth@redhat.com>
2498
2499         * config.gcc (ia64*-*-hpux*): Add extra_options.
2500         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
2501         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2502         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
2503         (ia64_tls_size_string, ia64_tune_string): Remove.
2504         (ia64_tune): Init to PROCESSOR_ITANIUM2.
2505         (TARGET_DEFAULT_TARGET_FLAGS): New.
2506         (TARGET_HANDLE_OPTION): New.
2507         (ia64_override_options): Move options parsing ...
2508         (ia64_handle_option): ... here.  New.
2509         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
2510         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
2511         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
2512         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
2513         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
2514         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
2515         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
2516         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
2517         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
2518         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
2519         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
2520         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
2521         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
2522         TARGET_EARLY_STOP_BITS): Remove.
2523         (TARGET_ILP32): Default false.
2524         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
2525         (enum ia64_inline_type): New.
2526         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2527         * config/ia64/ia64.md: Update for new definitions of
2528         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
2529         * config/ia64/ia64.opt: New file.
2530         * config/ia64/ilp32.opt: New file.
2531
2532 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2533
2534         PR target/18380
2535         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
2536
2537 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2538
2539         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
2540         instead of MASK_H8300S.
2541         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
2542         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
2543         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
2544         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
2545         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
2546         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
2547         TARGET_SWITCHES): Remove.
2548         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
2549         TARGET_H8300SX.
2550         * config/h8300/h8300.opt: New.
2551
2552         * config/alpha/alpha.opt, config/arc/arc.opt,
2553         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
2554         notices.
2555
2556 2005-03-17  Ian Lance Taylor  <ian@airs.com>
2557
2558         * gmon.c: Remove.
2559
2560 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
2561
2562         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
2563         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
2564         (TARGET_HANDLE_OPTION): Override default.
2565         (arc_handle_option): New function.
2566         (arc_init): Remove code to set arch_cpu_string.
2567         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
2568         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
2569         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
2570         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
2571         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
2572         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
2573         (arc_rodata_string, TARGET_OPTIONS): Delete.
2574         * config/arc/arc.opt: New file.
2575
2576 2005-03-17  Richard Henderson  <rth@redhat.com>
2577
2578         * doc/extend.texi (Weak Pragmas): New section.
2579         (attribute alias): Clarify that target must be in the same
2580         translation unit.
2581
2582 2005-03-17  Richard Henderson  <rth@redhat.com>
2583
2584         * config/alpha/alpha.opt: New file.
2585         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
2586         of alpha_cpu.
2587         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
2588         alpha_fprm_string, alpha_fptm_string): Make static.
2589         (alpha_tls_size_string): Remove.
2590         (alpha_handle_option): New.
2591         (override_options): Update for alpha_cpu/alpha_tune split.
2592         (alpha_file_start): Likewise.
2593         (TARGET_DEFAULT_TARGET_FLAGS): New.
2594         (TARGET_HANDLE_OPTION): New.
2595         * config/alpha/alpha.h (alpha_tune): Declare.
2596         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
2597         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
2598         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
2599         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
2600         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
2601         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
2602         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
2603         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
2604         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
2605         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
2606         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
2607         (TARGET_DEFAULT): Remove MASK_FP.
2608         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
2609         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
2610         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
2611         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
2612         alpha_tls_size_string): Remove.
2613         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
2614         (attribute tune): Rename from attribute cpu.
2615         * config/alpha/ev4.md: Update to match.
2616         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
2617         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
2618         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
2619         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
2620         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
2621         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
2622
2623 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
2624
2625         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
2626         and return without creating new state if before_nops_num is nonzero.
2627         * config/ia64/ia64.md (first_insn): New attribute.
2628         (alloc): Set it to yes.
2629
2630 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2631
2632         * tree-vectorizer.c (new_vec_stmt_info): Initialize
2633         STMT_VINFO_SUBVARS to NULL.
2634         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2635
2636 2005-03-16 Dale Johannesen  <dalej@apple.com>
2637
2638         * rtlanal.c (find_first_parameter_load):  Rewrite to
2639         return actual first param load or the call if none,
2640         instead of first in block, when not all loads exist.
2641
2642 2005-03-16  Roger Sayle  <roger@eyesopen.com>
2643
2644         * optabs.c (expand_copysign_absneg): Make static.
2645         * optabs.h (expand_copysign_absneg): Delete prototype.
2646         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
2647
2648 2005-03-16  Richard Henderson  <rth@redhat.com>
2649
2650         PR middle-end/15700
2651         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
2652         (alias_pairs): Rename from output_defs.
2653         (find_decl_and_mark_needed): Split out from assemble_alias.
2654         (do_assemble_alias): New.
2655         (assemble_output_def): Remove.
2656         (finish_aliases_1, finish_aliases_2): New.
2657         (process_pending_assemble_output_defs): Remove.
2658         (assemble_alias): Defer aliases for which we don't yet have a
2659         non-external decl for the target symbol.
2660         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
2661         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
2662         * toplev.c (compile_file): Use finish_aliases_2 instead of
2663         process_pending_assemble_output_defs.
2664         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
2665         (process_pending_assemble_output_defs): Remove.
2666
2667 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2668
2669         Fix PR tree-optimization/20489
2670
2671         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
2672         for empty structures.
2673
2674 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2675
2676         Fix PR tree-optimization/20490
2677
2678         * tree-ssa-pre.c (create_expression_by_pieces): Use
2679         force_gimple_operand on result of fold.
2680
2681 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
2682
2683         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
2684         of closing parenthesis.
2685
2686 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
2687
2688         * builtins.c (expand_movstr): Update a call to
2689         fold_builtin_strcpy.
2690         (expand_builtin_strncpy): Update a call to
2691         fold_builtin_strncpy.
2692         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
2693         arguments of CALL_EXPR.
2694         (fold_builtin_1): Update calls to fold_builtin_strcpy and
2695         fold_builtin_strncpy.
2696         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2697         * tree.h: Update the prototypes of fold_builtin_strcpy and
2698         fold_builtin_strncpy.
2699
2700 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2701             Dorit Naishlos  <dorit@il.ibm.com>
2702
2703         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
2704         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
2705         error.
2706
2707 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2708
2709         * tree-inline.c (walk_type_fields, walk_tree,
2710         walk_tree_without_duplicates): Move from here...
2711         * tree.c: ...to here.
2712
2713 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
2714
2715         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
2716         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
2717         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2718         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
2719         (version): Define using $(BASEVER_c).
2720         (Makefile, config.status, build/gcov-iov.o): No longer depends on
2721         version.c.
2722         (version.o): Depend on version files; add custom generation command.
2723         (prefix.o): Define BASEVER on command line.
2724         (s-iov): Depend on version files; adjust command.
2725         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
2726         Add gcc-vers.texi.
2727         (gcc-vers.texi): New rule.
2728         (doc/%.info, doc/%.dvi): Add -I . to command line.
2729         (doc/gccinstall.dvi): Likewise.
2730         (PACKAGE): Delete.  All uses replaced with "gcc".
2731         * aclocal.m4: Do not include gcc-version.m4.
2732         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
2733         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
2734         Set is_release based on contents of DEV-PHASE.
2735         Set gcc_version based on contents of BASE-VER.
2736         Define WIN32_REGISTRY_KEY only if the user overrode the default.
2737         * config.in, configure: Regenerate.
2738         * gccbug.in: Determine version of GCC in use at runtime.
2739         * gcov-iov.c: Get version number and development phase from
2740         command line, not by including version.c.
2741         * intl.c: Replace all uses of PACKAGE with "gcc".
2742         * libada-mk.in: Delete unused "gcc_version" variable.
2743         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
2744         * version.c: (VERSUFFIX): New hook for redistributors; adjust
2745         commentary to match.
2746         (version_string): Put together from pieces.
2747         * config/alpha/x-vms: Do not use $(gcc_version).
2748         * config/i386/t-nwld: Likewise.
2749         * doc/include/gcc-common.texi: Include gcc-vers.texi for
2750         version-GCC and DEVELOPMENT.
2751
2752 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2753
2754         PR tree-optimization/17454
2755         * tree.c (tree_size): Add case for TREE_BINFO.
2756         * fold-const.c (fold_checksum_tree): Only clear the overloaded
2757         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
2758
2759 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2760
2761         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
2762         op1 whilst expanding the signed widenening multiply variant.
2763
2764 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
2765
2766         * toplev.c (display_target_options): Avoid unused variable warning if
2767         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
2768         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
2769         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
2770         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
2771         (mips_isa_info): New variable.
2772         (mips_parse_cpu): Remove the first argument and leave the caller
2773         to report errors.
2774         (TARGET_HANDLE_OPTION): Override default.
2775         (mips_handle_option): New function.  Move option validation code from...
2776         (override_options): ...here.  Update calls to mips_parse_cpu.
2777         * config/mips/mips.h (mips_arch_string, mips_tune_string)
2778         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
2779         (SUBTARGET_TARGET_OPTIONS): Delete.
2780         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
2781         (mno-flush-func, mtune=): New options.
2782
2783 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2784             Richard Henderson  <rth@redhat.com>
2785
2786         * real.c (c4x_single_format, c4x_extended_format): Provide values
2787         for signbit_ro for c4x's single and extended floating point formats.
2788         * optabs.c (expand_copysign): Use the floating point format's
2789         signbit_ro for expanding via expand_copysign_absneg, and it's
2790         signbit_rw field for expanding via expand_copysign_bit.
2791
2792 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
2793
2794         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
2795         known_alignment_for_access_p.
2796         (known_alignment_for_access_p): New.
2797         (do_peeling_for_alignment): Field made int instead of bool and renamed
2798         to peeling_for_alignment.
2799         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
2800         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
2801         functionality used to be in vect_analyze_operations.
2802         (vect_analyze_operations): Code to determine vectorization factor was
2803         moved to vect_determine_vectorization_factor.
2804         (vect_enhance_data_refs_alignment): Update to correct alignment when it
2805         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
2806         factor.
2807         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
2808         be part of vect_analyze_operations).
2809         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
2810         creating the guard condition, as the number of iterations may be
2811         constant.
2812         (slpeel_tree_peel_loop_to_edge): Use new name of
2813         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
2814         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
2815         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
2816         (vect_do_peeling_for_alignment): Use fold.
2817         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
2818
2819         (vect_update_inits_of_dr): Renamed to
2820         vect_update_init_of_dr.
2821         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
2822         (vectorizable_store): Fix assertion to use == instead of =.
2823
2824 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
2825
2826         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
2827         call_used_regs for wCG registers.
2828
2829 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
2830
2831         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2832         for non-offsettable memory references to cope with outstanding reload
2833         replacements, take 2.
2834
2835 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
2836
2837         PR target/18668
2838         * config/i386/i386.h (x86_fisttp): New.
2839         (TARGET_FISTTP): New macro.
2840         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
2841         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
2842         instruction when fisttp flag is set.
2843         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
2844
2845         * config/i386/i386.md (type attribute): Add fisttp.
2846         (unit attribute): Set to i387 for fisttp type.
2847         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
2848         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
2849         TARGET_FISTTP.
2850         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
2851         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
2852         macros.
2853         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
2854         patterns for TARGET_FISTTP.  Enable patterns for
2855         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
2856         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
2857         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
2858         implement fisttp x87 insn.
2859         (fix_trunc*_i387_fisttp splitters): New patterns.
2860         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
2861         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
2862         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
2863         clobber.
2864         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
2865         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
2866         Implement using mode macros. Disable patterns for TARGET_FISTTP.
2867         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
2868         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
2869         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
2870         Disable patterns for TARGET_FISTTP.
2871         (fix_trunc*_i387 splitters): Implement usign mode macros.
2872         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
2873         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
2874         (fix_trunx*_sse peephole2s): Implement using mode macros.
2875
2876 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
2877
2878         PR rtl-optimization/20291
2879         * combine.c (try_combine): If splitting fails, re-try with
2880         original combined pattern, i.e. before clobber stripping.
2881
2882 2005-03-14  Eric Christopher  <echristo@redhat.com>
2883
2884         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
2885         STACK_GROWS_DOWNWARD.
2886
2887 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2888
2889         * real.h (struct real_format): Split the signbit field into two
2890         two fields, signbit_ro and signbit_rw.
2891         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
2892         mips_double_format, ieee_extended_motorola_format,
2893         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
2894         ieee_extended_intel_128_format, ibm_extended_format,
2895         mips_extended_format, ieee_quad_format, mips_quad_format,
2896         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
2897         i370_double_format, c4x_single_format, c4x_extended_format,
2898         real_internal_format): Update initializers for new field.
2899         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
2900         real_format structure.
2901         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
2902         field of the real_format structure.
2903
2904 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
2905
2906         Fix PR tree-optimization/20458
2907
2908         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
2909         DECL_EXTERNAL on STRUCT_FIELD tags.
2910         (clear_call_clobbered): Ditto.
2911         * tree-ssa-operands.c (note_addressable): Make sure the original
2912         variable doesn't slip into the addressable list if we have
2913         subvars.
2914         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
2915         tags too.
2916
2917 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
2918
2919         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
2920         (-fwide-exec-charset): Likewise.
2921         (-finput-charset): Likewise.
2922         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
2923         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
2924         * c.opt (Wnormalized): New.
2925
2926 2005-03-14  Devang Patel  <dpatel@apple.com>
2927
2928         * doc/invoke.texi: Add reference to Visibility document.
2929
2930 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2931
2932         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
2933         MASK_SPLIT_ADDRESSES.
2934         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
2935         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
2936         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
2937         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
2938         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
2939         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
2940         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
2941         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
2942         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
2943         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
2944         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
2945         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
2946         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
2947         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
2948         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
2949         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
2950         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
2951         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
2952         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
2953         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
2954         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
2955         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
2956         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
2957         (TARGET_EXPLICIT_RELOCS): Delete.
2958         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
2959         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
2960         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2961         (override_options): Set MASK_LONG64 if -mint64 is given and no
2962         -mlongXX option is.  Complain about -mint64 -mlong32.
2963         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
2964         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
2965         * config/mips/mips.opt: New file.
2966
2967 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2968
2969         * config.gcc (extra_options): New variable for listing option files.
2970         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
2971         * configure.ac (extra_opt_files): New AC_SUBST variable.
2972         (tm_file_list, tm_include_list): Include options.h first.
2973         * configure: Regenerate.
2974         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
2975         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
2976         (s-options-h): New rule.
2977         (options.h): Depend on it.
2978         (TEXI_GCCINT_FILES): Add options.texi.
2979         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
2980         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
2981         * target.h (gcc_target): Add default_target_flags and handle_option.
2982         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
2983         (TARGET_HANDLE_OPTION): New macros.
2984         (TARGET_INITIALIZER): Include them.
2985         * opt-functions.awk (opt_args, nth_arg): New functions.
2986         (switch_flags): Handle the "Target" flag.
2987         (var_args): Delete.
2988         (var_name): Use opt_args and nth_arg.
2989         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
2990         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
2991         macros for the "Mask" and "InverseMask" options.
2992         * opts.h (cl_var_cond): New enum.
2993         (cl_option): Replace the "has_set_value" and "set_value" fields with
2994         "var_cond" and "var_value".
2995         (CL_TARGET): New macro.
2996         (option_enabled, print_filtered_help): Declare.
2997         (decode_options): Move definition.
2998         * opts.c (handle_option): Search for the original option before
2999         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3000         var_cond and var_value fields.  Use targetm.handle_option to handle
3001         target options.
3002         (decode_options): Set target_flags to targetm.default_target_flags.
3003         (print_filtered_help): Make global.  Handle CL_TARGET.
3004         (option_enabled): New function.
3005         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3006         (display_target_options, set_target_switch, print_switch_values)
3007         (default_pch_valid_p): Guard uses of target_switches with
3008         #ifdef TARGET_SWITCHES.  Also...
3009         (display_target_options): Display the CL_TARGET entries in cl_options.
3010         (set_target_option): Don't complain about the "" option when
3011         TARGET_SWITCHES is undefined.
3012         (print_switch_values): Use option_enabled.
3013         (default_pch_valid_p): Check cl_options[] when looking for something
3014         that has changed the value of target_flags.
3015         * c.opt: Remove documentation from top of file.
3016         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3017         * doc/sourecebuild.texi: Refer to the new options documentation
3018         instead of c.opt.  Document machine-specific .opt files.
3019         * doc/tm.texi (target_flags): Say that this variable is declared
3020         by options.h.
3021         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3022         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3023         an alternative.
3024         * doc/options.texi: New file.
3025
3026 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3027
3028         PR middle-end/18628
3029         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3030         register.
3031
3032 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3033
3034         PR c++/20280
3035         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3036         temporary variable of pointer type if an lvalues is required.
3037         (gimplify_modify_expr_rhs): Request an rvalue from it.
3038         (gimplify_expr): Pass fallback on.
3039
3040 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3041
3042         * cfgbuild.c: Update comments.
3043
3044 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3045
3046         PR rtl-optimization/17236
3047         * optabs.c (expand_doubleword_mult): New helper function split out
3048         from expand_binop.  Permute the order in which instructions are
3049         emitted to minimize the number of simultaneously live registers.
3050         (expand_binop): Call expand_doubleword_mult to synthesize a double
3051         word multiplication.
3052
3053 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3054
3055         * basic-block.h: Update the prototypes of cached_make_edge and
3056         rtl_make_eh_edge.
3057         * cfg.c (cached_make_edge): Take edge_cache representing one
3058         row of the adjacency matrix of edges.
3059         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3060         (make_edges): Initialize edge_cache to represent one row of
3061         the adjacency matrix of edges.
3062
3063 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3064
3065         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3066         New functions.
3067         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3068         Remove unused removed_phis variable.
3069         (conditional_replacement): Use build1/build2.
3070         (abs_replacement): Use last_and_only_stmt and build1/build2.
3071
3072 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3073
3074         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3075         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3076         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3077         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3078         * c-common.c (handle_novops_attribute): New function.
3079         (c_common_attribute_table): Add "no vops" entry.
3080         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3081         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3082         * tree-ssa-operands.c (get_call_expr_operands): Do not
3083         create virtual operands for calls with ECF_NOVOPS flag.
3084         * tree.h (DECL_IS_NOVOPS): New macro.
3085         (struct tree_decl): Add novops_flag.
3086         (ECF_NOVOPS): New constant.
3087
3088 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3089
3090         PR target/17688
3091         * config/i386/i386.c (x86_use_himode_fiop): New.
3092         (x86_use_simode_fiop): Rename from x86_use_fiop.
3093         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3094         (TARGET_USE_HIMODE_FIOP): New.
3095         (x86_use_simode_fiop): Rename from x86_use_fiop.
3096         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3097
3098         * config/i386/i386.md (X87MODEI12): New mode macro define.
3099         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3100         to implement x87 FP compare with HImode input operands.
3101         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3102         Use X87MODEI12 mode macro to handle HImode input operands.
3103         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3104         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3105         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3106         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3107         macro to implement x87 operators with HImode input operands.
3108         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3109         input operands.
3110
3111 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3112
3113         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3114         integer_zerop.
3115         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3116         constants invariant.
3117
3118 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3119
3120         * basic-block.h (BB_VISITED): Removed.
3121         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3122
3123 2005-03-14  Falk Hueffner  <falk@debian.org>
3124
3125         PR bootstrap/20424
3126         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3127
3128 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3129
3130         * ggc-zone.c: Fix comment typos.
3131
3132         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3133         stringpool.c, config/mips/mips-protos.h: Update copyright.
3134
3135 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3136
3137         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3138         throughout with its typedef, "rtx".
3139         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3140         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3141         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3142         regs in comment to match code.
3143
3144 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * except.c (check_handled): Make it static.
3147         * except.h: Remove the corresponding prototype.
3148
3149         * function.c (get_func_frame_size): Make it static.
3150         * function.h: Remove the corresponding type.
3151
3152         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3153         Make them static.
3154         * hard-reg-set.h: Remove the corresponding declarations.
3155
3156         * tree-cfg.c (verify_stmts): Check that
3157         bb_for_stmt (stmt) == bb for every PHI node and statement.
3158
3159 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3160
3161         * config.gcc: Remove excess indentation.
3162         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3163
3164 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3165
3166         PR middle-end/19331
3167         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3168         * fold-const.c (fold_sign_changed_comparison): Likewise.
3169         (fold_binary): Optimize comparisons against widened operands if
3170         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3171
3172 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3173
3174         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3175         (sparc_override_options): Initialize it.
3176         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3177
3178 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3179
3180         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3181         (reg_or_none500mem_operand): New predicate.
3182         (zero_reg_mem_operand): New predicate.
3183         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3184         to reg_or_none500mem_operand.
3185         (extendsfdf2_fpr): Add MEM alternative.
3186         (extenddftf2_internal): Change operand2 predicate to
3187         zero_reg_mem_operand.
3188
3189 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3190
3191         * ggc-zone.c: Rewritten.
3192
3193         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3194         if there are none.
3195         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3196         * config.in: Regenerated.
3197         * configure: Regenerated.
3198         * gengtype.c (write_types_process_field, write_func_for_structure):
3199         Pass new argument to gt_pch_note_object.
3200         * ggc-common.c (struct ptr_data): Add TYPE.
3201         (gt_pch_note_object): Take TYPE argument and save it.
3202         (call_count): Update call to ggc_pch_count_object.
3203         (call_alloc): Update call to ggc_pch_alloc_object.
3204         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3205         file.
3206         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3207         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3208         (ggc_alloc_zone_stat): Delete.
3209         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3210         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3211         (ggc_pch_alloc_object): Update prototypes.
3212         (garbage_zone): Delete.
3213         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3214         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3215         pointers.
3216         (tree_id_zone): New variable.
3217         (ggc_alloc_cleared_zone): Remove unused.
3218         (ggc_alloc_zone): Define.
3219         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3220         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3221         ggc_alloc_zone_stat.
3222         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3223         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3224         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3225         (make_node_stat): Likewise.  Use tree_id_zone.
3226
3227 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3228             Joseph S. Myers  <joseph@codesourcery.com>
3229
3230         * configure.ac: Check for MIPS TLS.
3231         * configure: Regenerated.
3232         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3233         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3234         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3235         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3236         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3237         (mips_classify_symbol, mips_symbolic_constant_p)
3238         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3239         (mips_tls_operand_p, mips_call_tls_get_addr)
3240         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3241         (mips_tls_symbol_ref_1): New functions.
3242         (mips_legitimize_address, mips_legitimize_const_move): Call
3243         mips_legitimize_tls_address.
3244         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3245         for MIPS16.
3246         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3247         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3248         (mips_char_to_class): Document V1_REG.
3249         (HAVE_AS_TLS): Provide default.
3250         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3251         constants.
3252         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3253         !TARGET_ABICALLS.
3254         (tls_get_tp_<mode>): New instruction.
3255
3256 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3257
3258         * configure.ac: Update checks for target tools.
3259         * configure: Regenerated.
3260
3261 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3262
3263         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3264
3265 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3266
3267         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3268         more classes of DImode multiplication by constant.  Allow both
3269         multiplication by small negative constants (by performing a
3270         multiplication by a positive constant and negating the result) and
3271         multiplications by large powers of two, by using a left shift.
3272
3273 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3274
3275         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3276         of basic blocks into work_stack.
3277
3278         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3279         config/mips/vr.h: Update copyright.
3280
3281         * c-decl.c (c_init_decl_processing): Remove useless calls to
3282         build_function_type.
3283
3284         * builtins.c (fold_trunc_transparent_mathfn,
3285         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3286         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3287         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3288         fold_builtin_strcpy, fold_builtin_strncpy,
3289         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3290         TREE_TYPE (exp).
3291
3292         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3293         before_call.
3294
3295         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3296         variable determinant.
3297
3298         * tree-cfg.c (group_case_labels): Remove local variable type.
3299
3300         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3301         variable ann.
3302
3303         * tree-ssa-phiopt.c (value_replacement): Remove local variable
3304         result.
3305
3306 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3307
3308         PR target/18251
3309         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
3310         (*movmemqi_insn): Delete.
3311         (*movmemhi): Delete.
3312
3313 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3314
3315         * builtins.c (fold_builtin_classify): Take decomposed
3316         arguments of CALL_EXPR.
3317         (fold_builtin_1): Update a call to fold_builtin_classify.
3318
3319 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
3320
3321         PR c/20402
3322         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
3323         through into call to parser_xref_tag after parse error.
3324         (c_parser_struct_declaration): Consistently return NULL_TREE on
3325         error.
3326
3327 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
3328
3329         * tree-flow-inline.h (ref_contains_array_ref): New function.
3330         (lookup_subvars_for_var): Ditto.
3331         (get_subvars_for_var): Ditto.
3332         (var_can_have_subvars): Ditto.
3333
3334         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
3335         (struct subvar): New type.
3336
3337         * tree-dfa.c (okay_component_ref_for_subvars): New function.
3338
3339         * tree-optimize.c (init_tree_optimization_passes): Call
3340         pass_create_structure_vars.
3341
3342         * tree-ssa-alias.c: Include vec.h.
3343         (init_alias_info): Don't auto-clear call clobbered on struct-field
3344         tags.
3345         (compute_flow_insensitive_aliasing): Handle subvars.
3346         (group_aliases): Handle STRUCT_FIELD aliases.
3347         (setup_pointers_and_addressables): Ditto.
3348         Don't mark variables non-addressable if they still have
3349         addressable subvars.
3350         Also mark subvars addressable when the real variable is marked
3351         addressable.
3352         (add_pointed_to_var): Try to prune the pointed-to set by only
3353         pointing to subvars when possible.
3354         Otherwise, make sure we set addresses_needed and pt_vars to
3355         properly include subvars.
3356         (bitpos_of_field): New function.
3357         (push_fields_onto_fieldstack): Ditto.
3358         (get_or_create_used_part_for): Ditto.
3359         (create_overlap_variables_for): Ditto.
3360         (find_used_portions): Ditto.
3361         (create_structure_vars): Ditto.
3362         (pass_create_structure_vars): New structure.
3363
3364         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
3365         (get_expr_operands): Handle subvars.  Also try to turn
3366         COMPONENT_REF accesses into must-defs now that we can accurately
3367         portray it.
3368         (note_addressable): Try to only mark as addressable those subvars
3369         we know a COMPONENT_REF touches.
3370         (overlap_subvar): New function.
3371
3372         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
3373         Handle subvar storing.
3374         (vect_address_analysis): Update caller of vect_object_analysis.
3375
3376         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
3377
3378         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
3379         (STMT_VINFO_SUBVARS): New macro.
3380
3381         * common.opts: add flag_tree_salias.
3382
3383         * opts.c (decode_options): flag_tree_salias defaults to on.
3384
3385         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
3386
3387         * doc/tree-ssa.texi: Document structural alias analysis.
3388
3389 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3390
3391         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
3392         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
3393         * tree-ssa-operands.c (get_expr_operands): Likewise.
3394         (get_expr_operands): Likewise for ERROR_MARK.
3395
3396 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3397
3398         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
3399         var.
3400
3401         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
3402         removed_phis.
3403
3404         * tree-ssa-pre.c (compute_avail): Remove local variable val.
3405         (mark_operand_necessary): Remove local variable ver.
3406
3407         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
3408         variable prefix_len.
3409
3410         * value-prof.c (mod_subtract_transform): Remove local variable
3411         value.
3412
3413         * builtins.c (fold_builtin_exponent): Take decomposed
3414         arguments of CALL_EXPR.
3415         (fold_builtin_1): Update a call to fold_builtin_exponent.
3416
3417         * builtins.c (fold_builtin_logarithm): Take decomposed
3418         arguments of CALL_EXPR.
3419         (fold_builtin_1): Update a call to fold_builtin_logarithm.
3420
3421         * c-decl.c (c_init_decl_processing): Remove local variables
3422         ptr_ftype_void and ptr_ftype_ptr.
3423
3424         * gimplify.c (gimplify_expr): Remove local variables r0 and
3425         r1.
3426
3427         * reg-stack.c (move_for_stack_reg): Remove local variable
3428         push_insn.
3429         (compare_for_stack_reg): Remove local variable flags_user.
3430         (convert_regs_1): Remove local variable deleted.
3431
3432         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
3433         variable new_cond.
3434         (combine_blocks): Remove local variables exits and new_e.
3435
3436         * tree-inline.c (expand_call_inline): Remove local variable
3437         decl.
3438
3439         * tree-ssa-live.c (create_ssa_var_map,
3440         calculate_live_on_entry): Remove local variable snn.
3441
3442 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
3443
3444         * c-lex.c (c_lex_with_flags): Add parameter to call to
3445         cpp_spell_token.
3446
3447 2005-03-11  Per Bothner  <per@bothner.com>
3448
3449         * c-tree.h (struct c_declarator): New id_loc field.
3450         * c-pragma.h (c_lex_with_flags): Take position reference.
3451         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
3452         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
3453         (c_lex): Pass dummy location to c_lex_with_flags.
3454         * c-parser.c (c_lex_one_token): Set c_token's location using
3455         c_lex_with_flags, instead of input_location, which might be "ahead".
3456         (c_parser_direct_declarator): Set declarator's id_loc from
3457         c_token's id_loc.
3458         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
3459         declarator's id_loc, rather than probably-imprecise input_location.
3460         (build_id_declarator): Initialize c_declarator's id_loc field.
3461
3462 2005-03-11  Roger Sayle  <roger@eyesopen.com>
3463
3464         PR middle-end/20419
3465         * builtins.c (expand_builtin_signbit): Force the signbit's word
3466         into an integer register to avoid SUBREGs of floating point modes.
3467
3468 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3469
3470         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
3471         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
3472         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
3473         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
3474
3475 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
3476
3477         PR rtl-optimization/20306
3478         * expr.c (emit_move_complex): Set try_int false if mode is
3479         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
3480         emit_block_move if try_int is true.
3481
3482 2005-03-11  Richard Henderson  <rth@redhat.com>
3483
3484         PR target/20415
3485         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
3486         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
3487         to match.
3488
3489 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3490
3491         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
3492         (TARGET_FIX_VR4130): New macro.
3493         (TARGET_OPTIONS): Add -mfix-vr4130.
3494         (ISA_HAS_MACCHI): New macro.
3495         (ASM_SPEC): Add -mfix-vr4130.
3496         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
3497         (override_options): Handle mips_fix_vr4130_string.
3498         (mips_avoid_hazards): Clear all_noreorder_p
3499         if we're working around VR4130 errata and the macc alternatives
3500         are not available.
3501         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
3502         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
3503         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
3504         (MULTILIB_DEFAULTS): Remove leading "march=".
3505         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
3506         if no architecture option is given.
3507         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
3508         VR4130 multilibs.
3509         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
3510         * doc/invoke.texi: Document -mfix-vr4130.
3511
3512 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3513
3514         * config/mips/mips.c (override_options): Only warn about -mint64
3515         deprecation if TARGET_INT64.
3516
3517 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3518
3519         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
3520         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
3521         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
3522         are non-specific regarding the nonnull parameter positions.
3523         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
3524         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
3525         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
3526         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
3527
3528         * builtins.def: Use the non-specific "nonnull" attibute lists.
3529
3530 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3531
3532         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3533         single_pred_edge, single_succ, single_pred): Improve comments.
3534
3535 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3536
3537         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3538         single_pred_edge, single_succ, single_pred): New inline functions.
3539         * bb-reorder.c (rotate_loop, find_traces_1_round,
3540         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
3541         duplicate_computed_gotos): Use the single_succ/pred functions.
3542         * cfganal.c (forwarder_block_p): Ditto.
3543         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
3544         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3545         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
3546         merge_seq_blocks): Ditto.
3547         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
3548         * cfglayout.c (fixup_reorder_chain): Ditto.
3549         * cfgloop.c (mark_single_exit_loops, update_latch_info,
3550         canonicalize_loop_headers, verify_loop_structure): Ditto.
3551         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
3552         mfb_update_loops, create_preheader, force_single_succ_latches,
3553         create_loop_notes): Ditto.
3554         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
3555         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
3556         commit_one_edge_insertion, purge_dead_edges,
3557         cfg_layout_can_merge_blocks_p): Ditto.
3558         * except.c (sjlj_emit_function_enter): Ditto.
3559         * flow.c (init_propagate_block_info): Ditto.
3560         * function.c (thread_prologue_and_epilogue_insns): Ditto.
3561         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
3562         insert_insn_end_bb): Ditto.
3563         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
3564         find_if_case_2): Ditto.
3565         * lambda-code.c (perfect_nestify): Ditto.
3566         * lcm.c (optimize_mode_switching): Ditto.
3567         * loop-doloop.c (doloop_modify): Ditto.
3568         * loop-init.c (loop_optimizer_init): Ditto.
3569         * loop-iv.c (simplify_using_initial_values): Ditto.
3570         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3571         * loop-unswitch.c (unswitch_loop): Ditto.
3572         * modulo-sched.c (generate_prolog_epilog): Ditto.
3573         * predict.c (combine_predictions_for_insn, estimate_probability,
3574         tree_estimate_probability, last_basic_block_p,
3575         estimate_bb_frequencies): Ditto.
3576         * profile.c (branch_prob): Ditto.
3577         * regrename.c (copyprop_hardreg_forward): Ditto.
3578         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
3579         * tracer.c (layout_superblocks): Ditto.
3580         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
3581         cfg_remove_useless_stmts_bb, cleanup_control_flow,
3582         cleanup_control_expr_graph, disband_implicit_edges,
3583         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
3584         tree_verify_flow_info, tree_make_forwarder_block,
3585         tree_forwarder_block_p, remove_forwarder_block,
3586         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3587         * tree-if-conv.c (tree_if_conversion): Ditto.
3588         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3589         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
3590         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
3591         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3592         copy_loop_headers): Ditto.
3593         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
3594         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
3595         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
3596         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
3597         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
3598         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
3599         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
3600         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
3601         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
3602         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
3603         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
3604         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
3605         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
3606         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
3607         slpeel_add_loop_guard): Ditto.
3608
3609 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
3610
3611         PR tree-optimization/15784
3612         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3613         and -1 - A to ~A.
3614
3615         * stmt.c (expand_case): Don't change index_type.  Convert minval
3616         to the proper type.
3617
3618         PR tree-optimization/20130
3619         * fold-const.c (fold): Fold x * -1 into -x.
3620
3621 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3622
3623         PR rtl-optimization/20331
3624         * rtlanal.c (modified_between_p): Check its address first for MEM.
3625         (modified_in_p): Likewise.
3626
3627 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
3628
3629         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
3630
3631 2005-03-10  Steven Bosscher  <stevenb@suse.de>
3632
3633         * expr.c (expand_expr_real_1): If possible, use a conditional
3634         move for expanding MIN_EXPR and MAX_EXPR.
3635         Use temp for moving around rtx-en.
3636
3637 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
3638
3639         PR rtl-opt/20412
3640         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
3641         correct mode.
3642
3643 2005-03-10  Roger Sayle  <roger@eyesopen.com>
3644
3645         * builtins.c (expand_builtin_signbit): Extend to handle floating
3646         point modes wider than the largest integer type, using the
3647         operand_subword_force function to obtain the signbit's word.
3648
3649 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR target/20322
3652         * combine.c (try_combine): If recog_for_combine added CLOBBERs
3653         to NEWI2PAT, fail to combine if they are used by NEWPAT.
3654
3655 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
3656
3657         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
3658
3659 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
3660
3661         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
3662         type void.
3663         (perform_edge_inserts): Unconditionally call
3664         free_dominator_info.
3665
3666         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
3667
3668 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
3669
3670         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
3671
3672 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
3673
3674         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
3675
3676         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
3677         gcc_unreachable.
3678         (rtl_register_value_prof_hooks,
3679         tree_value_profile_transformations,
3680         tree_register_value_prof_hooks): Likewise.
3681         * var-tracking.c (stack_adjust_offset_pre_post,
3682         variable_htab_free, variable_union, dataflow_set_different_2,
3683         count_uses, variable_was_changed, set_frame_base_location,
3684         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
3685         vt_add_function_parameters): Likewise.
3686         * varasm.c (named_section_real, named_section, make_decl_rtl,
3687         asm_emit_uninitialised, assemble_integer, decode_addr_const,
3688         const_hash_1, compare_constant, copy_constant, force_const_mem,
3689         output_constant_pool_2, output_constant_pool_1, output_constant,
3690         output_constructor, make_decl_one_only, decl_tls_model,
3691         default_no_named_section, default_elf_select_section_1,
3692         default_unique_section_1): Likewise.
3693         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
3694         * vmsdbgout.c (addr_const_to_string): Likewise.
3695
3696         PR c++/20375
3697         * function.c (struct assign_parm_data_one): Remove last_named
3698         field.
3699         (assign_parm_find_data_types): Don't determine last_named.
3700         Reorder named_parm determination.
3701         (assign_parms): Only setup varargs on the last non-varadic
3702         parameter.
3703
3704 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
3705
3706         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
3707         sda base address on medium model.
3708
3709 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
3710
3711         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
3712         * cfgloop.c (flow_loop_nodes_find): Export.
3713         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
3714         Declare.
3715         * cfgloopmanip.c (fix_loop_structure): New function.
3716         * predict.c (predict_loops): Clean up the loops information.
3717         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
3718         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
3719         loop structure.
3720         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
3721         (rewrite_into_loop_closed_ssa): Declaration changed.
3722         * tree-loop-linear.c (linear_transform_loops): Add argument to
3723         rewrite_into_loop_closed_ssa call.
3724         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3725         * tree-ssa-loop-im.c (move_computations): Ditto.
3726         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3727         * tree-vectorizer.c (vectorize_loops): Ditto.
3728         * tree-optimize.c: Include cfgloop.h.
3729         (execute_todo): Choose whether to call cleanup_tree_cfg or
3730         cleanup_tree_cfg_loop.
3731         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
3732         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
3733         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
3734         cleanup_tree_cfg_loop call.
3735         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
3736         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
3737         work on part of cfg.
3738
3739 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3740
3741         PR inline-asm/20314
3742         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
3743         with multiple alternatives.
3744
3745         * stmt.c (parse_output_constraint): Fix a typo.
3746
3747 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
3748
3749         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
3750         assembly directive instead of deprecated "no-generics".
3751
3752 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
3753
3754         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3755         for non-offsettable memory references to cope with outstanding reload
3756         replacements.
3757         * config/s390/s390.md ("reload_outti"): Call find_replacement to
3758         avoid losing outstanding address reloads.
3759         ("reload_outdi", "reload_outdf"): Likewise.
3760
3761 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3762
3763         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
3764         code.  Add more cbrt transformations.
3765
3766 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3767
3768         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
3769
3770 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3771
3772         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
3773         NULL_TREE when a given tree is not simplified.
3774         (fold): Return the original tree when any of the functions
3775         mentioned above NULL_TREE.
3776
3777         * fold-const.c (fold_unary, fold_binary): Take decomposed
3778         arguments, code, type, op0, and op1 in case of fold_binary.
3779         (fold): Update calls to fold_unary and fold_binary.
3780
3781 2005-03-09  Roger Sayle  <roger@eyesopen.com>
3782
3783         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
3784         a fndecl and an arglist instead of a CALL_EXPR, exp.
3785
3786 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3787
3788         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
3789
3790         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
3791
3792         * expr.c (expand_assignment): Remove orig_to_rtx.
3793
3794         * fold-const.c (int_const_binop): Remove no_overflow.
3795
3796         * ifcvt.c (noce_emit_move_insn): Remove inmode.
3797
3798         * loop-iv.c (get_biv_step_1): Remove lhs.
3799
3800         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
3801
3802         * real.c (real_nan): Remove neg.
3803
3804         * function.c (thread_prologue_and_epilogue_insns): Remove i
3805         and newinsn.
3806
3807         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
3808         tb.
3809
3810         * tree-eh.c (tree_could_trap_p): Remove idx.
3811
3812         * tree-into-ssa.c (ann): Remove ann.
3813
3814         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
3815
3816         * tree-sra.c (decide_block_copy): Remove inst_count.
3817
3818         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
3819
3820         * tree-ssa-loop-im.c (lhs): Remove.
3821
3822         * cfgbuild.c (state, STATE, SET_STATE,
3823         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
3824         make_edges.
3825         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
3826         (find_basic_blocks): Set the state of each basic block to
3827         BLOCK_NEW.
3828
3829 2005-03-08  Jeff Law  <law@redhat.com>
3830
3831         * tree-cfg.c (cleanup_control_flow): If removal of a computed
3832         goto results in the removal of edges in the CFG, then we need
3833         to recompute dominators.
3834
3835 2005-03-09  Ben Elliston  <bje@au.ibm.com>
3836
3837         * c-common.c (c_do_switch_warnings): Comment fix.
3838
3839 2005-03-08  Julian Brown  <julian@codesourcery.com>
3840
3841         * Patch from 2005-03-08 reverted for causing regressions and
3842         ppc-darwin bootstrap failure.
3843
3844 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
3845
3846         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
3847         Define the real function for ppc-darwin.
3848         * c-typeck.c (convert_arguments): Check for target-specific
3849         invalid argument call to unprototyped function.
3850         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3851         New Macro.
3852         * target.h (invalid_arg_for_unprototyped_fn): New field
3853         in struct calls.
3854         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
3855         default target hook.
3856         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
3857         Declare.
3858
3859 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3860
3861         * c-typeck.c (constructor_stack, constructor_range_stack,
3862         initializer_stack): Make them static.
3863
3864         * cfg.c (rbi_pool): Make it static.
3865
3866         * gimple-low.c (lower_stmt_body): Make it static.
3867         * tree-flow.h: Remove the corresponding prototype.  Don't
3868         declare lower_data.
3869
3870         * sched-deps.c (cache_size): Make it static.
3871
3872         * stor-layout.c (lang_adjust_rli): Make it static.
3873
3874 2005-03-08  Julian Brown  <julian@codesourcery.com>
3875
3876         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3877         from being used for symbols with vague linkage when
3878         HAVE_GAS_COMDAT_GROUP is true.
3879
3880 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
3881
3882         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
3883         nlabel == JUMP_LABEL (jump).
3884
3885 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3886
3887         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
3888         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
3889         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
3890         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
3891
3892 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
3893
3894         PR c/14411
3895         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
3896         * c-common.c (handle_returns_twice): New function.
3897         (c_common_attribute_table): Declare eturns_twice' attribute.
3898         * doc/extend.texi: Document eturns_twice' attribute.
3899         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
3900         (struct tree_decl): Add returns_twice_flag.
3901
3902 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3903
3904         * tree-ssa-phiopt.c: Fix a comment typo.
3905
3906         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
3907         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
3908         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
3909         copyright.
3910
3911 2005-03-08  Richard Henderson  <rth@redhat.com>
3912
3913         * config/alpha/alpha.c (code_for_builtin): Replace special-case
3914         builtin codes with ctzdi2, clzdi2, popcountdi2.
3915         (struct alpha_builtin_def): Add is_const.
3916         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
3917         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
3918         (alpha_init_builtins): Init them.  Set nothrow and const attributes
3919         on builtins.
3920         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
3921         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
3922         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
3923         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
3924         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
3925         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
3926         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
3927         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
3928         (TARGET_FOLD_BUILTIN): New.
3929         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
3930         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
3931         (ffsdi2): Use ctz.
3932         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
3933
3934 2005-03-08  Ira Rosen  <irar@il.ibm.com>
3935
3936         PR tree-optimization/20122
3937         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
3938         condition of access function instead of base.
3939
3940 2005-03-07  Jeff Law  <law@redhat.com>
3941             Steven Bosscher  <stevenb@suse.de>
3942
3943         * tree-cfg.c (find_taken_edge_computed_goto): New function.
3944         (find_taken_edge): Call find_taken_edge_computed_goto as
3945         appropriate.  Allow any gimple invariant rather than just
3946         INTEGER_CST for VAL.
3947         (cleanup_control_flow): Cleanup a computed goto which has turned
3948         into a simple goto.
3949         (tree_merge_blocks): If block B has any forced labels, move
3950         them to the start of block A.
3951         * tree-ssa-dom.c (thread_across_edge): Allow threading across
3952         computed gotos as well.
3953         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
3954         removal of unnecessary computed gotos too.
3955         (lookup_redirection_data): Fix type of INSERT argument.  Callers
3956         updated.
3957
3958 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3959
3960         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
3961         Remove trailing spaces.
3962
3963         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
3964         unshare_all_trees): Make them static.
3965         * tree-gimple.h: Remove the corresponding prototypes.
3966
3967         * diagnostic.h: Remove unused prototype
3968         debug_output_buffer.
3969         * modulo-sched.c: Remove unused prototype
3970         set_row_column_for_ps.
3971
3972         * tree-ssa-phiopt.c (tree_ssa_phiopt,
3973         replace_phi_edge_with_variable): Remove unused variable i.
3974
3975 2005-03-07  Per Bothner  <per@bothner.com>
3976
3977         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
3978
3979 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
3980
3981         PR tree-opt/17671
3982         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
3983         bbs on the COND_EXPR instead of the PHI_NODEs.
3984         (candidate_bb_for_phi_optimization): Remove.
3985         (replace_phi_with_stmt): Rename to ...
3986         (replace_phi_edge_with_variable): this and change so that we
3987         replace the phi argument instead of removing the PHI.
3988         (conditional_replacement): Change so we deal with PHI with more
3989         than two arguments.
3990         (value_replacement): Likewise.
3991         (abs_replacement): Likewise.
3992
3993 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
3994
3995         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
3996         output_e500_flip_gt_bit.
3997
3998         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
3999         as bit 31.
4000         (rs6000_generate_compare): Fix logic to look at the correct bits.
4001         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4002         Look at GT bit.
4003         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4004         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4005         gen_move_from_CR_gt_bit.
4006
4007         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4008         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4009         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4010
4011         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4012         (E500_CR_IOR_COMPARE): New constant.
4013
4014 2005-03-08  Earl Chew <earl_chew@agilent.com>
4015             David Billinghurst <David.Billinghurst@riotinto.com>
4016
4017         * config/i386/host-cygwin.c: New file to support precompiled
4018         headers on cygwin
4019         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4020         * config.host: Use above files for cygwin host.
4021
4022 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4023
4024         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4025         ordering ops from earlier change.
4026
4027 2005-03-07  Per Bothner  <per@bothner.com>
4028
4029         Various fixes to allow us to again build if --enable-mapped-location:
4030         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4031         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4032         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4033         local variable loc. Change logic appropriately.
4034         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4035         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4036         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4037         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4038         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4039
4040 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4041
4042         PR rtl-optimization/19683
4043         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4044         number of bytes, to smallest_int_for_mode.  Fix arguments to
4045         REG_CANNOT_CHANGE_MODE_P.
4046
4047 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4048
4049         * reorg.c (relax_delay_slots): Check that the jump is
4050         conditional before trying to invert it.
4051
4052 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4053
4054         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4055         Make them static.
4056
4057         * calls (stack_arg_under_construction): Make it static.
4058
4059         * flow.c (regs_live_at_setjmp): Make it static.
4060         * flow.h: Remove the corresponding prototype.
4061
4062         * reload1.c (reload_startobj, reload_firstobj,
4063         something_needs_operands_changed, reload_inherited,
4064         reload_inheritance_insn, reload_override_in,
4065         reload_spill_index): Make them static.
4066
4067         * recog.c (verify_changes): Make it static.
4068         * recog.h: Remove the corresponding prototype.
4069
4070         * cfgbuild.c (find_sub_basic_blocks): Remove.
4071         * basic-block.h: Remove the corresponding prototype.
4072         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4073         in comments.
4074         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4075
4076         * tree-ssa-operands.c (check_build_stmt): Remove.
4077
4078         * stor-layout.c (set_alignment): Remove.
4079         * tree.h: Remove the corresponding prototype.
4080
4081         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4082
4083         * tree-ssa-dce.c (control_dependence_map,
4084         visited_control_parents): Make them static.
4085
4086         * cfghooks.c (verify_flow_info): Remove local variable
4087         num_bb_notes.
4088
4089         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4090         last_bb_seen.
4091
4092         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4093
4094 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4095
4096         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4097
4098 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4099
4100         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4101         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4102         PARALLEL for an empty structure.
4103
4104 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4105
4106         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4107
4108         * fold-const.c (fold_binary): Unroll the very first "for"
4109         loop.
4110
4111 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4112
4113         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4114         redundant match_code test.
4115         (scc_comparison_operator): Swap match_operand and match_code
4116         tests.
4117         (branch_positive_comparison_operator): Same.
4118         (trap_comparison_operator): Use comparison_operator and swap with
4119         match_code test.
4120
4121 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4122
4123         PR target/20288
4124         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4125         (out_movhi_r_mr): Read low byte of volatile MEM first.
4126         (out_movhi_mr_r): Write high byte of volatile MEM first.
4127
4128 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4129
4130         * cselib.c (reg_values, reg_values_size): Make them static.
4131
4132         * cse.c (cse_reg_info_table): Make it static.
4133
4134         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4135
4136 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4137
4138         * cse.c (find_best_addr): Use canon_for_address.
4139
4140 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4141
4142         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4143         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4144         SUBREG and MEM, respectively.
4145
4146         * fold-const.c (fold_binary): Use code instead of t.
4147
4148         * fold-const.c (optimize_minmax_comparison): Take decomposed
4149         arguments code, type, op0, and op1 instead of t.
4150         (fold_binary): Update a call to optimize_minmax_comparison.
4151
4152         * fold-const.c (fold_range_test): Take decomposed arguments
4153         code, type, op0, and op1 instead of t.
4154         (fold_binary): Update a call to fold_range_test.
4155
4156         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4157         decomposed arguments code, type, op0, and op1 instead of t.
4158         (fold_binary): Update a call to fold_range_test.
4159
4160 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4161
4162         * fold-const.c (fold_binary): Avoid directly using the original
4163         expression t as much as possible.
4164
4165 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4166
4167         * c-semantics.c (build_stmt): Use TYPE_P instead of
4168         IS_NON_TYPE_CODE_CLASS.
4169         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4170         (NON_TYPE_CHECK): Use TYPE_P instead of
4171         IS_NON_TYPE_CODE_CLASS.
4172
4173         * fold-const.c (fold): Remove handling of binary expressions.
4174
4175 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4176
4177         * doc/c-tree.texi: Wrap comments in @r{}.
4178         * doc/cpp.texi: Likewise.
4179         * doc/cppinternals.texi: Likewise.
4180         * doc/extend.texi: Likewise.
4181         * doc/md.texi: Likewise.
4182         * doc/objc.texi: Likewise.
4183         * doc/sourcebuild.texi: Likewise.
4184         * doc/tm.texi: Likewise.
4185         * doc/tree-ssa.texi
4186
4187 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4188
4189         * predict.c (apply_return_prediction): Standardize PHI chain
4190         walking.
4191         * tree-ssa.c (ssa_redirect_edge): Likewise.
4192
4193         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4194         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4195         Update copyright.
4196
4197         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4198         * tree-flow.h: Adjust the prototype for remove_phi_node.
4199         * lambda-code.c (perfect_nestify): Adjust a call to
4200         remove_phi_node.
4201         * tree-cfg.c
4202         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4203         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4204         Likewise.
4205         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4206         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4207         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4208         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4209
4210         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4211         of GEN_INT (trunc_int_for_mode (...)).
4212         * loop-iv.c (iv_number_of_iterations): Likewise.
4213         * postreload.c (reload_cse_move2add): Likewise.
4214         * simplify-rtx.c (simplify_const_unary_operation,
4215         simplify_const_binary_operation): Likewise.
4216         * stor-layout.c (get_mode_bounds): Likewise.
4217
4218         * fold-const.c (fold_binary): New.
4219         (fold): Call fold_binary on binary expressions.
4220
4221 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4222
4223         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4224         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4225         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4226         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4227         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4228
4229 2005-03-04  Devang Patel  <dpatel@apple.com>
4230
4231         PR tree-optimization/18815
4232         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4233         loops with zero exit edges.
4234
4235 2005-03-04  Devang Patel  <dpatel@apple.com>
4236
4237         * doc/invoke.texi: Remove reference to webpage that does not exist.
4238
4239 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4240             Joseph S. Myers  <joseph@codesourcery.com>
4241
4242         PR c++/19797
4243         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4244         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4245         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4246         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4247         maybe_get_identifier instead of get_identifier.
4248         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4249         (struct deferred_plabel): Replace name field with symbol field.
4250         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4251         ASM_OUTPUT_EXTERNAL_REAL is defined.
4252         (output_global_address): Use output_addr_const for output of all
4253         symbol_refs.
4254         (output_deferred_plabels): Use symbol_ref instead of name for address
4255         output.
4256         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4257         ASM_OUTPUT_SYMBOL_REF): New macros.
4258         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4259         comment.
4260         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4261         label.
4262
4263 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4264
4265         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4266         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4267
4268 2005-03-04  Jeff Law  <law@redhat.com>
4269
4270         * basic-block.h (rediscover_loops_after_threading): Declare.
4271         * tree-ssa-dom.c: Include cfgloop.h.
4272         (tree_ssa_dominator_optimize): Discover loops and some basic
4273         properties.  Remove forwarder blocks recreated by loop header
4274         canonicalization.  Also mark backedges in the CFG.
4275         * tree-ssa-threadupdate.c: Include cfgloop.h
4276         (rediscover_loops_after_threading): Define.
4277         (struct local_info): New field, JUMP_THREADED.
4278         (prune_undesirable_thread_requests): New function.
4279         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4280         then record that fact for the callers of redirct_edges.
4281         (thread_block): If BB has incoming backedges, then call
4282         prune_undesirable_thraed_requests.    Note when we are
4283         going to have to rediscover loop information.  Return a
4284         boolean indicating if any jumps were threaded.
4285         (thread_through_all_blocks): Bubble up boolean indicating
4286         if any jumps were threaded.
4287         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4288         (tree-ssa-threadupdate.o): Similarly.
4289
4290 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4291
4292         * fold-const.c (fold_ternary): Unroll the "for" loop to
4293         extract operands.
4294
4295 2005-03-04  Andrew Haley  <aph@redhat.com>
4296
4297         * unwind-dw2-fde-glibc.c (struct
4298         unw_eh_callback_data.check_cache): New field.
4299         (frame_hdr_cache): New.
4300         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4301         Cache frame header info.
4302
4303 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
4304
4305         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
4306         (print_c_condition): Declare.
4307         * read-rtl.c (ptr_loc): New structure.
4308         (ptr_locs, ptr_loc_obstack, joined_conditions)
4309         (joined_conditions_obstack): New variables.
4310         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
4311         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
4312         (join_c_conditions, print_c_condition): New functions.
4313         (apply_macro_to_string): Associate the new string with the same
4314         source location as the old one.
4315         (add_condition_to_string): Use join_c_conditions.
4316         (read_string): Use set_rtx_ptr_loc to record a filename and line
4317         number for the string.
4318         (read_rtx): Initialize the new variables above.
4319         * genattrtab.c (write_test_expr, write_attr_value): Use
4320         print_c_condition.
4321         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
4322         comment above the GCC_VERSION check.
4323         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
4324         Inline the definition of MAYBE_EVAL.
4325         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
4326         * genoutput.c (process_template): Likewise.
4327         * genpreds.c (write_predicate_subfunction): Likewise.
4328         (write_predicate_expr): Use print_c_condition.
4329         * genrecog.c (write_cond): Likewise.
4330         * gensupport.c (process_rtx): Use join_c_conditions to join the
4331         conditions of a define_insn_and_split.  Record a source location
4332         for the string after the "&&".
4333         (alter_test_for_insn): Use join_c_conditions.
4334
4335 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
4336
4337         Revert for now:
4338         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4339         PR tree-optimization/15784
4340         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4341         and -1 - A to ~A.
4342
4343 2005-03-04  Ben Elliston  <bje@au.ibm.com>
4344
4345         * gcc.c (option_map): Add --coverage.
4346         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
4347         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
4348         * config/darwin.h: Pass -lgcov for `coverage'.
4349         * doc/invoke.texi (Debugging Options): Document --coverage.
4350
4351 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4352
4353         * gcse.c (bypass_block): Use find_edge wherever possible.
4354
4355 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
4356
4357         Fix PR debug/20253
4358
4359         * c-opts.c (c_common_parse_file): Call start_source_file
4360         and end_source_file at the approriate times.
4361
4362         * dwarf2out.c (dwarf2out_finish): Don't auto-end
4363         the main file, it will be done for us now.
4364
4365 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4366
4367         * fold-const.c (fold_ternary): New.
4368         (fold): Call fold_ternary on ternary expressions.  Remove
4369         handling of ternary expressions.
4370
4371 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4372
4373         PR tree-optimization/15784
4374         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4375         and -1 - A to ~A.
4376
4377 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
4378
4379         * config/rs6000/predicates.md (branch_comparison_operator):
4380         Convert from C block to conditional format.
4381
4382 2005-03-03  Jan Hubicka  <jh@suse.cz>
4383
4384         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
4385         and non-constant public variables.
4386
4387 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
4388
4389         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
4390         with LABEL_EXPR.
4391
4392         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
4393         EDGE_I.
4394
4395         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
4396         calls to release_ssa_name and release_phi_node.
4397
4398         * fold-const.c (fold): Remove handling of unary expressions.
4399
4400         * fold-const.c (fold_unary): Avoid directly using the original
4401         expression t as much as possible.
4402
4403 2005-03-03  Roger Sayle  <roger@eyesopen.com>
4404             Andrew Pinski  <pinskia@physics.uc.edu>
4405
4406         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
4407         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
4408
4409 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
4410
4411         Describe special registers SRP and MOF as allocatable registers.
4412         * config/cris/cris.c (cris_md_asm_clobbers): New function.
4413         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
4414         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
4415         TARGET_HAS_MUL_INSNS.
4416         (cris_print_operand) <case 'd'>: New case.
4417         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
4418         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
4419         define.
4420         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
4421         (REG_ALLOC_ORDER): Update for MOF.
4422         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
4423         SPECIAL_REGS.
4424         (GENERAL_REGS): No longer a define of ALL_REGS.
4425         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
4426         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4427         Adjust accordingly.
4428         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
4429         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
4430         (SECONDARY_RELOAD_CLASS): Define.
4431         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
4432         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
4433         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
4434         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
4435         (REGISTER_MOVE_COST): Define.
4436         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
4437         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
4438         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
4439         (CRIS_MOF_REGNUM): New define_constants.
4440         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
4441         special registers.
4442         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
4443         New patterns.
4444         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
4445         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
4446         Adjust for MOF being properly described as a register.
4447         (indir_to_reg_split): Name this split.  Conditionalize on the
4448         destination register being a general register.
4449         (movei): Conditionalize on on operands 0 and 1 having the same
4450         register class.
4451
4452 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
4453
4454         PR target/20277
4455         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
4456         -mcpu to override any other explicitly given flags.
4457
4458 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
4459
4460         * recog.c (verify_changes, confirm_change_group): New functions,
4461         broken out of apply_change_group.
4462         (apply_change_group): Use them.
4463         * recog.h (verify_change, confirm_change_group): Declare.
4464         * rtl.h (redirect_jump_2): Declare.
4465         * jump.c (redirect_exp, invert_exp): Delete.
4466         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
4467         (redirect_jump_2): New function, broken out of redirect_jump.
4468         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
4469         (invert_jump): Use invert_jump_1 and redirect_jump_2.
4470         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
4471
4472 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
4473
4474         * varasm.c (named_section): Use xstrdup rather than doing it by
4475         hand.
4476
4477         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
4478
4479 2005-03-02  Devang Patel  <dpatel@apple.com>
4480
4481         Undo PR tree-optimization/18815 fix.
4482
4483 2005-03-02  Devang Patel  <dpatel@apple.com>
4484
4485         PR tree-optimization/18815
4486         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4487         loops with zero exit edges.
4488
4489 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4490
4491         * cfg.c (connect_src, connect_dest, disconnect_src,
4492         disconnct_dest): New.
4493         (unchecked_make_edge, remove_edge, redirect_edge_succ,
4494         redirect_edge_pred): Use the new functions.
4495
4496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4497         free_dominance_info only when needed.
4498
4499 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
4500
4501         PR target/20276
4502         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
4503         (reg_or_sub_cint64_operand): Same.
4504
4505 2005-03-02  Jeff Law  <law@redhat.com>
4506
4507         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
4508         CFG_ALTERED in the main DOM iteration loop.
4509
4510 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
4511
4512         PR c++/19916
4513         * varasm.c (initializer_constant_valid_p): Allow conversions
4514         between OFFSET_TYPEs.  Tidy.
4515
4516 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
4517
4518         * config/cris/cris.md ("return"): Remove epilogue delay list
4519         sanity check.
4520
4521 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
4522
4523         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
4524         for Thumb.
4525         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
4526
4527 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4528
4529         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
4530         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
4531         config/m68k/m68k.c, config/mips/mips.h,
4532         config/rs6000/rs6000-protos.h, doc/contrib.texi,
4533         doc/include/gcc-common.texi: Update copyright.
4534
4535         PR middle-end/18029 and PR middle-end/18030
4536         * expr.c (optimize_bitfield_assignment_op): Add a special case
4537         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
4538
4539         * fold-const.c (fold_unary): New.
4540         (fold): Call fold_unary on unary expressions.
4541
4542 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
4543
4544         * cgraph.h (struct cgraph_edge): Add prev_caller and
4545         prev_callee fields.
4546         (cgraph_node_remove_callees): Export.
4547         * cgraph.c (cgraph_create_edge): Initialize prev_caller
4548         and prev_callee.
4549         (cgraph_edge_remove_callee): New function.
4550         (cgraph_edge_remove_caller): Likewise.
4551         (cgraph_remove_edge): Use.
4552         (cgraph_redirect_edge_callee): Likewise.
4553         (cgraph_node_remove_callees): New function.
4554         (cgraph_node_remove_callers): Likewise.
4555         (cgraph_remove_node): Use.
4556         * tree-optimize.c (tree_rest_of_compilation): Use
4557         cgraph_node_remove_callees instead of manual loop.
4558         * cgraphunit.c (cgraph_finalize_function): Likewise.
4559         (cgraph_expand_function): Likewise.
4560         (cgraph_remove_unreachable_nodes): Likewise.
4561
4562 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
4563
4564         PR c/8927
4565         * c-tree.h (undeclared_variable, build_external_ref): Add extra
4566         argument.
4567         * c-decl.c (undeclared_variable): Take location as argument.
4568         * c-typeck.c (build_external_ref): Likewise.
4569         * c-parser.c (c_parser_postfix_expression): Pass location of
4570         identifier to build_external_ref.
4571
4572 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4573
4574         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
4575         CCEQ mode for branch_positive_comparison_operator test.
4576         * config/rs6000/predicates (branch_comparison_operator): Revert to
4577         define_predicate.
4578         (scc_comparison_operator): Same.
4579         (branch_positive_comparison_operator): Same.
4580
4581 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
4582
4583         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4584         (cris_delay_slots_for_epilogue): Remove.
4585         (save_last): Move into cris_target_asm_function_epilogue.
4586         (cris_target_asm_function_epilogue): Remove tests for file being
4587         NULL.
4588         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
4589         (cris_delay_slots_for_epilogue): Remove prototypes.
4590         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
4591         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
4592
4593 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4594
4595         * config/rs6000/predicates.md (branch_comparison_operator): Change
4596         to define_special_predicate.
4597         (scc_comparison_operator): Same.
4598         (branch_positive_comparison_operator): Same.
4599
4600 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
4601
4602         * Makefile.in (tree-ssa-sink.o): New.
4603         (OBJS-common): Add tree-ssa-sink.o.
4604         * common.opt: Add -ftree-sink
4605         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
4606         * timevar.def (TV_TREE_SINK): new timevar.
4607         * tree-flow.h (is_hidden_global_store): Prototype.
4608         * tree-optimize.c (init_tree_optimization_passes): Add
4609         pass_sink_code.
4610         * tree-pass.h (pass_sink_code): New.
4611         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
4612         for non-obvious global store store to is_hidden_global_store, and
4613         call that new function.
4614         * tree-ssa-sink.c: New file.
4615         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
4616         * doc/passes.texi: Document forward store motion.
4617         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
4618         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
4619         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
4620         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
4621
4622 2005-03-01  Per Bothner  <per@bothner.com>
4623
4624         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
4625         and we have a non-zero column-number, add it to the message.
4626         Also factor out the diagnostic_kind_text.
4627
4628 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4629
4630         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4631         flow_loop_pre_header_scan, flow_loop_pre_header_find,
4632         flow_loop_scan): Removed.
4633         (flow_loop_dump): Do not dump removed fields.
4634         (flow_loop_free): Do not free removed fields.
4635         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
4636         (loop_exit_edge_p): New function.
4637         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
4638         num_pre_header_edges, entry_edges, num_entries, exit_edges,
4639         num_exits, exits_doms.
4640         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
4641         LOOP_EDGES, LOOP_ALL): Removed.
4642         (flow_loop_scan): Declaration removed.
4643         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
4644         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
4645         flow_loops_find.
4646         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
4647         (if_convert): Call flow_loops_find and flow_loops_free
4648         when calling mark_loop_exit_edges.
4649         * cfgloopanal.c (mark_loop_exit_edges): Moved from
4650         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
4651         free_dominance_info calls.
4652         * loop-init.c (flow_loops_find): Ditto.
4653         * passes.c (rest_of_handle_branch_prob): Ditto.
4654         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
4655         * loop-unroll.c (analyze_insns_in_loop): Do not use
4656         EDGE_LOOP_EXIT.
4657         * predict.c (predict_loops): Do not call flow_loop_scan.
4658         Use get_loop_exit_edges.
4659         (tree_estimate_probability): Do not pass flags to flow_loops_find.
4660         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
4661         Do not use EDGE_LOOP_EXIT.
4662         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
4663         to bb_with_exit_edge_p.
4664         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
4665         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
4666         to bb_with_exit_edge_p.
4667         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
4668         EDGE_LOOP_EXIT.
4669         * tree-loop-linear.c (linear_transform_loops): Do not call
4670         flow_loop_scan.  Use loop->single_exit.
4671         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
4672         (vect_analyze_loop_form): Do not call flow_loop_scan.
4673         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
4674         loop->single_exit.
4675         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
4676         loop->single_exit.
4677         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4678         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4679         slpeel_tree_duplicate_loop_to_edge_cfg,
4680         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4681         Use loop_preheader_edge and loop->single_exit.  Do not call
4682         flow_loop_scan.
4683
4684 2005-03-01  Nick Clifton  <nickc@redhat.com>
4685
4686         * config/arm/arm.c (thumb_find_work_register): Check all of the
4687         argument registers to see if they are free, and a couple of
4688         special cases where the last argument register but can be proved
4689         to be available during the function's prologue.
4690         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
4691         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
4692         thumb_unexpanded_epilogue): Use unsigned long as the type for the
4693         register bit-mask.
4694         (thumb_compute_save_reg_mask): Likewise.  Also use
4695         thumb_find_work_register() to ensure that there is agreement about
4696         which work register is going to be used in the prologue.
4697         (thumb_output_function_prologue): Use unsigned long as the type
4698         for the register bit-mask.  Also delay pushing the link register if
4699         other high registers are going to be pushed.
4700         (thumb_compute_save_reg_mask, emit_multi_reg_push,
4701         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
4702         redundant prototypes.
4703
4704 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
4705
4706         PR target/19819
4707         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
4708         and after reload in REG+REG indexed addresses without REG_POINTER
4709         set in the base and not set in the index.
4710
4711 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4712
4713         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
4714         Don't undefine here.
4715         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
4716         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
4717         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4718         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
4719         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
4720         Delete.
4721         * config.gcc (sh*-*-linux*): Use config/linux.h.
4722
4723 2005-02-28  Dale Johannesen  <dalej@apple.com>
4724             Stan Shebs  <shebs@apple.com>
4725
4726         Rewrite of 64-bit Darwin structure-by-value pass/return.
4727         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
4728         intoffset, use_stack, named.
4729         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
4730         (rs6000_darwin64_record_arg_advance_flush):  New.
4731         (rs6000_darwin64_record_arg_advance_recurse): New.
4732         (rs6000_darwin64_record_arg_flush):  New.
4733         (rs6000_darwin64_record_arg_recurse):  New.
4734         (rs6000_darwin64_record_arg):  New.
4735         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
4736         (function_arg_boundary):  Handle 128-bit aligned structs.
4737         (function_arg_advance):  Rewrite darwin64 struct handling.
4738         (function_arg):  Call rs6000_darwin64_record_arg.
4739         (function_arg_partial_nregs):  Handle darwin64 structs.
4740         (rs6000_darwin64_function_value):  Remove.
4741         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
4742
4743 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4744
4745         PR tree-optimization/20216
4746         * tree-chrec.c (tree_fold_factorial): Delete.
4747         (tree_fold_binomial): Change argument list to take a return type
4748         and change the type of K to unsigned int.  Rewrite to avoid explicit
4749         evaluation of factorials, and (recursively) calling fold to perform
4750         compile-time arithmetic.  Return NULL on (internal) overflow.
4751         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
4752         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
4753         if any intermediate calculation overflows.
4754         (chrec_apply): Update call to chrec_evaluate.
4755
4756 2005-02-28  James E Wilson  <wilson@specifixinc.com>
4757
4758         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
4759
4760 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
4761
4762         PR c/20245
4763         * c-parser.c (c_parser_compound_statement): Return error_mark_node
4764         instead of NULL_TREE on error.
4765
4766 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
4767
4768         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
4769         (EASY_VECTOR_15_ADD_SELF): Remove.
4770         (num_insns_constant_wide): Not static.
4771         (validate_condition_mode): Not static.
4772         (toc_relative_expr_p): Not static.
4773         (legitimate_indirect_address_p): Not static.
4774         (macho_lo_sum_memory_operand): Not static.
4775         (invalid_e500_subreg): Not static.
4776         (easy_vector_same): Not static.
4777         (easy_vector_splat_const): Not static.
4778         (RS6000_SYMBOL_REF_TLS_P): Remove.
4779         (any_operand): Delete.
4780         (any_parallel_operand): Delete.
4781         (count_register_operand): Delete.
4782         (altivec_register_operand): Delete.
4783         (xer_operand): Delete.
4784         (s8bit_cint_operand): Delete.
4785         (short_cint_operand): Delete.
4786         (u_short_cint_operand): Delete.
4787         (non_short_cint_operand): Delete.
4788         (exact_log2_cint_operand): Delete.
4789         (gpc_reg_operand): Delete.
4790         (cc_reg_operand): Delete.
4791         (cc_reg_not_cr0_operand): Delete.
4792         (reg_or_short_operand): Delete.
4793         (reg_or_neg_short_operand): Delete.
4794         (reg_or_aligned_short_operand): Delete.
4795         (reg_or_u_short_operand): Delete.
4796         (reg_or_cint_operand): Delete.
4797         (reg_or_arith_cint_operand): Delete.
4798         (reg_or_add_cint64_operand): Delete.
4799         (reg_or_sub_cint64_operand): Delete.
4800         (reg_or_logical_cint_operand): Delete.
4801         (got_operand): Delete.
4802         (got_no_const_operand): Delete.
4803         (easy_fp_constant): Delete.
4804         (easy_vector_constant): Delete.
4805         (easy_vector_constant_add_self): Delete.
4806         (zero_constant): Delete.
4807         (zero_fp_constant): Delete.
4808         (volatile_mem_operand): Delete.
4809         (offsettable_mem_operand): Delete.
4810         (mem_or_easy_const_operand): Delete.
4811         (add_operand): Delete.
4812         (non_add_cint_operand): Delete.
4813         (logical_operand): Delete.
4814         (non_logical_cint_operand): Delete.
4815         (mask_operand): Delete.
4816         (mask_operand_wrap): Delete.
4817         (mask64_operand): Delete.
4818         (mask64_2_operand): Delete.
4819         (and64_operand): Delete.
4820         (and64_2_operand): Delete.
4821         (and_operand): Delete.
4822         (reg_or_mem_operand): Delete.
4823         (lwa_operand): Delete.
4824         (symbol_ref_operand): Delete.
4825         (call_operand): Delete.
4826         (current_file_function_operand): Delete.
4827         (input_operand): Delete.
4828         (rs6000_nonimmediate_operand): Delete.
4829         (rs6000_tls_symbol_ref): Delete.
4830         (save_world_operation): Delete.
4831         (restore_world_operation): Delete.
4832         (load_multiple_operation): Delete.
4833         (store_multiple_operation): Delete.
4834         (vrsave_operation): Delete.
4835         (mfcr_operation): Delete.
4836         (mtcrf_operation): Delete.
4837         (lmw_operation): Delete.
4838         (stmw_operation): Delete.
4839         (branch_comparison_operator): Delete.
4840         (branch_positive_comparison_operator): Delete.
4841         (scc_comparison_operator): Delete.
4842         (trap_comparison_operator): Delete.
4843         (boolean_operator): Delete.
4844         (boolean_or_operator): Delete.
4845         (min_max_operator): Delete.
4846         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
4847         (EASY_VECTOR_15): Moved to here.
4848         (EASY_VECTOR_15_ADD_SELF): Move to here.
4849         (PREDICATE_CODES): Delete.
4850         * config/rs6000/rs6000-protos.h: Delete predicate functions.
4851         Declare functions no longer static.
4852         * config/rs6000/predicates.md: New.
4853         * config/rs6000/rs6000.md: Include predicates.md
4854
4855 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
4856
4857         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
4858         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
4859         REG_ALWAYS_RETURN.
4860         * cfgrtl.c (need_fake_edge_p): Likewise.
4861         * combine.c (distribute_notes): Likewise.
4862         * emit-rtl.c (try_split): Likewise.
4863         * recog.c (peephole2_opimize): Likewise.
4864         * reg-notes.def (ALWAYS_RETURN): Remove.
4865         * rtl.h (LCT_ALWAYS_RETURN): Remove.
4866         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
4867         * tree.h (ECF_ALWAYS_RETURN): Remove.
4868
4869 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4870
4871         PR middle-end/19874
4872         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
4873         between different machine modes is never a "useless" conversion.
4874
4875 2005-02-28  Geert Bosch  <bosch@gnat.com>
4876
4877         PR ada/15977
4878         * doc/contrib.texi: List contributors for Ada front end
4879
4880 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
4881
4882         * simplify-rtx.c (simplify_unary_operation_1,
4883         simplify_const_unary_operation): New, extracted from...
4884         (simplify_unary_operation): ... this one.
4885         (simplify_binary_operation_1,
4886         simplify_const_binary_operation): New, extracted from...
4887         (simplify_binary_operation): ... this one.
4888         * rtl.h (simplify_const_unary_operation,
4889         simplify_const_binary_operation): Add prototypes.
4890
4891 2005-02-28  Julian Brown  <julian@codesourcery.com>
4892
4893         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
4894         building libjava and caused PR regression/20228.
4895
4896 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
4897
4898         PR bootstrap/17383
4899         * Makefile.in (host_subdir): New.
4900         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
4901         * configure: Regenerate.
4902
4903 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
4904
4905         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
4906         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
4907         installation directory first.
4908
4909 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
4910
4911         PR target/19065.
4912         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
4913         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
4914         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
4915         * config/cris/cris.md: Tweak comments referring to Q.
4916         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
4917         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
4918         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
4919         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
4920         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
4921         Insert spaces in constraints to align alternatives vertically for
4922         readability.
4923         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
4924         operand 1: "M".
4925
4926 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4927
4928         PR rtl-optimization/17728
4929         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
4930         operand 0 from general_operand to move_dest_operand.
4931
4932 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4933
4934         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
4935         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
4936         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
4937         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
4938
4939 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
4940
4941         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
4942         * configure: Regenerate.
4943         * libada-mk.in: Remove CC; rename
4944         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
4945
4946 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
4947
4948         PR tree-opt/20188
4949         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
4950         for the lhs, also walk over the tree.  Likewise for rhs.
4951
4952 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
4953
4954         * tree-ssa-dom.c (simple_iv_increment_p): New function.
4955         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
4956         Do not propagate value of iv before increment over the increment.
4957
4958 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
4959
4960         * c-parser.c: New file.
4961         * c-parse.in: Remove.
4962         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
4963         Remove.
4964         (c-parser.o): Add dependencies.
4965         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
4966         maintainer-clean, TAGS): Update.
4967         * c-config-lang.in (gtfiles): Update.
4968         * gengtype-lex.l: Don't handle "@@".
4969         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
4970         objc_build_synchronized, objc_begin_try_stmt,
4971         objc_begin_catch_clause, objc_finish_catch_clause,
4972         objc_build_finally_clause, objc_finish_try_stmt): New.
4973         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
4974         type_seen_p.
4975         (c_parse_init): Update comment.
4976         * c-decl.c (c_init_decl_processing): Update comment.
4977         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4978         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
4979         new c_declspecs members.
4980
4981 2005-02-25  Julian Brown  <julian@codesourcery.com>
4982
4983         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4984         from being used for symbols with vague linkage when
4985         HAVE_GAS_COMDAT_GROUP is true.
4986
4987 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
4988
4989         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
4990
4991 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
4992
4993         PR target/19930
4994         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
4995         (LIBGCC2_HAS_DF_MODE): New.
4996         (LIBGCC2_HAS_XF_MODE): New.
4997         (LIBGCC2_HAS_TF_MODE): New.
4998         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
4999         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5000         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5001         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5002         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5003         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5004         and add _fixtfdi, _fixunstfdi, _floatditf
5005         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5006         L_fixunstfdi, L_floatditf.
5007         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5008         (LIBGCC2_HAS_TF_MODE): Define.
5009
5010 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5011
5012         PR tree-optimization/20204
5013         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5014         REWRITE_THIS_STMT markers on PHI nodes.
5015         (rewrite_initialize_block): Likewise.
5016
5017 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5018
5019         * version.c (version_string): Update to 4.1.
5020
5021 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5022
5023         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5024         Clarify that the alternative way doesn't work in GNU C++.
5025
5026 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5027
5028         PR tree-optimization/19937
5029         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5030         to the type of the induction variable.
5031
5032 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5033
5034         PR rtl-optimization/20117
5035         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5036         the block including noncopyable insn.
5037
5038 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5039
5040         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5041         calls to find_reg_note.
5042
5043 2005-02-24  Richard Henderson  <rth@redhat.com>
5044
5045         PR tree-opt/20127
5046         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5047         the type.
5048
5049 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5050
5051         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5052         vector types if to use base reg for misaligned non-word ld/std.
5053
5054 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5055
5056         PR target/14619
5057         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5058         dwarf2 label manually and put it after, not before the prologue.
5059
5060 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5061
5062         PR target/19019
5063         * reload.c (operands_match_p): Only increment register number for
5064         SCALAR_INT_MODE_P modes in multiple hard registers.
5065
5066         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5067         Fix formatting.
5068
5069 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5070
5071         * ChangeLog.5: Fix log message typo(s).
5072         * ChangeLog.7: Likewise.
5073         * ChangeLog.tree-ssa: Likewise.
5074         * cfgexpand.c: Fix comment typo(s).
5075         * conflict.c: Likewise.
5076         * defaults.h: Likewise.
5077         * dwarf2out.c: Likewise.
5078         * gcse.c: Likewise.
5079         * ggc-page.c: Likewise.
5080         * tree-eh.c: Likewise.
5081         * tree-ssa-dom.c: Likewise.
5082
5083 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5084
5085         PR target/19019
5086         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5087         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5088         if SHARED is defined.
5089
5090         PR target/20196
5091         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5092         allow splitting only if operands 0 and 3 don't overlap.
5093
5094 2005-02-24  Richard Henderson  <rth@redhat.com>
5095
5096         PR middle-end/19953
5097         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5098         (fold_builtin_1): Call them.
5099         * fold-const.c (fold_complex_mult_parts): Split out from ...
5100         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5101         (fold_complex_div_parts, fold_complex_div): New.
5102         (fold): Use them.
5103         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5104
5105 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5106
5107         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5108         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5109
5110         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5111         (print_node): Likewise.
5112         Print TYPE_SIZES_GIMPLIFIED.
5113
5114 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5115
5116         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5117         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5118         operands as commutative in constraints.
5119
5120 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5121
5122         * tree-into-ssa.c: Re-organize internal functions.
5123
5124 2005-02-24  Richard Henderson  <rth@redhat.com>
5125
5126         PR middle-end/18902
5127         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5128         for c99.
5129         * common.opt (fcx-limited-range): New.
5130         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5131         * toplev.c (flag_complex_method): Initialize to 1.
5132         (process_options): Set flag_complex_method to 0 if
5133         flag_cx_limited_range.
5134         * doc/invoke.texi (-fcx-limited-range): New.
5135
5136 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5137
5138         * cse.c (delete_trivially_dead_insns): Speed up by using
5139         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5140         prev_real_insn.
5141
5142 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5143
5144         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5145         functions when -mid-shared-library is being used.
5146
5147 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5148
5149         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5150         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5151         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5152         * system.h: Poison LINK_LIBGCC_SPECIAL.
5153
5154 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5155
5156         * gengtype.c (note_insn_name): Make 1 element larger.
5157
5158 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5159
5160         PR target/20018
5161         PR rtl-optimization/20097
5162         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5163         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5164
5165 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5166
5167         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5168         * t-aix52 (SHLIB_INSTALL): Same.
5169
5170 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5171
5172         * genpreds.c: Update copyright.
5173
5174 2005-02-23  Michael Beach  <michaelb@ieee.org>
5175
5176         PR target/20159
5177         * config/sparc/t-elf (startup files): Assemble with CPP.
5178
5179 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5180
5181         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5182         (write_predicate_expr): Likewise.
5183
5184 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5185
5186         PR tree-optimization/20100
5187         PR tree-optimization/20115
5188         * tree-optimize.c (init_tree_optimization_passes): Remove
5189         pass_maybe_create_global_var.
5190         * tree-pass.h (pass_maybe_create_global_var): Remove.
5191         * tree-ssa-alias.c (aliases_computed_p): Declare.
5192         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5193         (count_calls_and_maybe_create_global_var): Remove.
5194         (pass_maybe_create_global_var): Remove.
5195         (init_alias_info): Do not declare aliases_computed_p.
5196         (maybe_create_global_var): If the function contains no
5197         call-clobbered variables and a mix of pure/const and regular
5198         function calls, create .GLOBAL_VAR.
5199         Mark all call-clobbered variables for renaming.
5200         (merge_pointed_to_info): Update comment.
5201         (add_pointed_to_var): Likewise.
5202         (is_escape_site): Likewise.
5203         Accept struct alias_info * instead of size_t *.
5204         Update all users.
5205         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5206         as necessary.
5207         * tree-ssa-operands.c (get_call_expr_operands): If
5208         ALIASES_COMPUTED_P is false, do not add call-clobbering
5209         operands.
5210         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5211         (delete_tree_ssa): Likewise.
5212
5213 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5214
5215         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5216         (do_compile): Do call it here.
5217
5218 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5219
5220         PR rtl-optimization/20017.
5221         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5222         rest_of_handle_cse2, rest_of_handle_gcse): Call
5223         delete_dead_jumptables immediately before calling cleanup_cfg.
5224
5225 2005-02-22  Devang Patel  <dpatel@apple.com>
5226
5227         PR 19952
5228         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5229         all labels
5230
5231 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5232
5233         * config/rs6000/aix.h (WINT_TYPE): Define.
5234
5235 2005-02-22  Stan Shebs  <shebs@apple.com>
5236
5237         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5238         natural alignment for 64-bit Darwin.
5239         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5240         on 64-bit Darwin.
5241         * doc/invoke.texi: Document this.
5242
5243 2005-02-22  DJ Delorie  <dj@redhat.com>
5244
5245         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5246         to make_[un]signed_type, not the mode itself.
5247
5248 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5249
5250         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5251         not available.  Use tail calls wherever possible.
5252         (make_edge): Call unchecked_make_edge to create an edge.
5253
5254         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5255         (coalesce_ssa_name): Don't check for
5256         SSANORM_USE_COALESCE_LIST.
5257         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5258
5259 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5260
5261         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5262         (rewrite_into_ssa): ... here.
5263
5264 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5265
5266         PR tree-optimization/19786
5267         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5268         tag to another's may-alias bitmap when adding to the other's list.
5269
5270 2005-02-21  DJ Delorie  <dj@redhat.com>
5271
5272         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5273         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5274         registers in unsupported ways.
5275         * expmed.c (init_expmed): Likewise.
5276
5277 2005-02-21  Stan Cox  <scox@redhat.com>
5278
5279         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5280
5281 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5282
5283         * tree-cfg.c (fold_cond_expr_cond): New.
5284         (make_edges): Call fold_cond_expr_cond.
5285         (find_taken_edge): Accept nothing but INTEGER_CST.
5286         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5287         and 1.
5288         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5289
5290         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5291         that do not belong to any basic block.
5292
5293 2005-02-21  Jeff Law  <law@redhat.com>
5294
5295         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5296         e->dest.
5297
5298 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5299
5300         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5301         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
5302         Adjust their definitions.
5303         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
5304         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
5305
5306         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
5307         genautomata.c, langhooks.c, langhooks.h, system.h,
5308         config/arm/lib1funcs.asm: Update copyright.
5309
5310 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5311
5312         * dbxout.c (dbxout_function_end): Emit Lscope label always.
5313
5314 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
5315
5316         PR bootstrap/13770
5317         * doc/install.texi: Document --with-gc.
5318
5319 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
5320
5321         * simplify-rtx.c (simplify_unary_operation): Add a missing
5322         "break" statement.
5323
5324 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5325
5326         PR tree-optimization/18663
5327         * tree-ssa-dom.c (extract_range_from_cond): Return 0
5328         if the type has variable bounds.
5329
5330 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
5331
5332         * gcse.c: Remove an obsolete comment.
5333
5334         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
5335
5336 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
5337
5338         * doc/extend.texi (Function Attributes) <Attribute const>: The
5339         attribute "pure" is below this text, not above.
5340
5341 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5342
5343         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
5344         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
5345         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
5346
5347 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
5348
5349         PR 18785
5350         * langhooks.h (struct lang_hooks): Add to_target_charset.
5351         * langhooks.c (lhd_to_target_charset): New function.
5352         * langhooks-def.h: Declare lhd_to_target_charset.
5353         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
5354         (LANG_HOOKS_INITIALIZER): Update.
5355         * c-common.c (c_common_to_target_charset): New function.
5356         * c-common.h: Declare it.
5357         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
5358         c_common_to_target_charset.
5359
5360         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
5361         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
5362         Delete definitions.
5363         * system.h: Poison them.
5364         * doc/tm.texi: Don't discuss them.
5365         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
5366         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
5367         (pp_c_char): Do not attempt to generate letter escapes for
5368         newline, tab, etc.
5369         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
5370         * config/mips/mips.c (mips_output_ascii): Likewise.
5371
5372 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
5373
5374         PR tree-optimization/19951
5375         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
5376         is abnormal.
5377
5378 2005-02-19  Steven Bosscher  <stevenb@suse.de>
5379
5380         PR middle-end/19698
5381         * function.h (struct function): New field `max_loop_depth'.
5382         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
5383         (flow_loops_find): Reset the max loop depth count before finding loops.
5384         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
5385         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
5386         (calculate_global_regs_live): Make sure the loop will terminate
5387         when the initial sets are not empty.
5388
5389 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
5390
5391         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
5392         object inside.
5393         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
5394
5395 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
5396
5397         PR other/19525
5398         * doc/invoke.texi: Remove documentation of %M spec.
5399         * gcc.c: Likewise.
5400         (init_spec): Remove %M suffix from -lgcc_s.
5401         (do_spec_1): Remove 'M' case.
5402         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
5403         to put shared libraries in the multilib directory.  Remove the
5404         shlib_so_soname substitution variable.  Don't add a multilib encoding
5405         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
5406         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
5407         SHLIB_INSTALL as well as SHLIB_LINK.
5408         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
5409         (SHLIB_NAME): Delete.
5410         (SHLIB_DIR): New macro.
5411         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
5412         (SHLIB_INSTALL): Adjust accordingly.
5413         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
5414         * config/t-slibgcc-sld: Likewise.
5415         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
5416         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
5417         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
5418         in $(SHLIB_DIR).
5419         (SHLIBUNWIND_INSTALL): Adjust accordingly.
5420         * config/i386/t-nwld (SHLIB_SONAME): Delete.
5421         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
5422         Use @shlib_base_name@ instead of @shlib_so_name@.
5423         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
5424         and @shlib_base_name@.so in @multilib_dir@.
5425         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
5426         to the install path.
5427         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
5428         (SHLIB_LINK): Remove previous workaround.
5429         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
5430         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
5431         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
5432         the install path.
5433         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
5434         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
5435         (SHLIB_INSTALL): Adjust accordingly.
5436         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
5437         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
5438         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
5439         config/t-slibgcc-elf-ver.
5440
5441 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
5442             Jakub Jelinek  <jakub@redhat.com>
5443
5444         PR tree-optimization/19828
5445         * tree-ssa-loop-im.c: Add a TODO comment.
5446         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
5447         without side-effects.
5448
5449 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5450
5451         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
5452         call fold_convert.
5453
5454 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
5455
5456         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
5457         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
5458         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
5459         functions.
5460         (ia64_reorg): Delete fixup_errata call.
5461         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
5462         (TARGET_SWITCHES): Delete -mb-step entry.
5463
5464 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
5465
5466         PR c/20043
5467         * c-typeck.c (composite_type): Handle quals in transparent unions.
5468         (type_lists_compatible_p): Likewise.
5469
5470 2005-02-18  Stan Shebs  <shebs@apple.com>
5471
5472         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
5473         expressions in the .literal8 section.
5474
5475 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
5476
5477         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
5478
5479 2005-02-18  Roger Sayle  <roger@eyesopen.com>
5480
5481         * fold-const.c (constant_boolean_node): Always create values of the
5482         specified type, don't bother calling truthvalue_conversion.
5483
5484 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5485
5486         * except.c (output_function_exception_table): Call
5487         assemble_external_libcall (eh_personality_libfunc).
5488
5489 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5490
5491         PR target/19886
5492         * config/ia64/ia64.h (struct machine_function): Add state_num.
5493         * config/ia64/ia64.c (process_epilogue,
5494         process_for_unwind_directive): Use new unwind state numbers each
5495         time rather than state 1.
5496
5497 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
5498
5499         PR target/20054
5500         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
5501         before the "*llgt_didi" pattern.
5502
5503 2005-02-18  Jason Merrill  <jason@redhat.com>
5504
5505         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
5506
5507 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
5508
5509         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
5510         (div0): Use it in place of ARM_FUNC_ALIAS.
5511         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
5512
5513 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
5514
5515         PR middle-end/20030
5516         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
5517         access, the lower bound of the array type if it exists.
5518
5519 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
5520
5521         PR c++/20008
5522         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
5523         cases that are out-of-range for the index type.
5524
5525 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5526
5527         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
5528         (estimate_case_costs): Don't call convert.
5529         * expmed.c (expand_shift): Likewise.
5530         (make_tree): Call fold_convert instead of convert.
5531
5532 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5533
5534         PR c++/19813
5535         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
5536         that ref to be marked MEM_READONLY_P doesn't have base that needs
5537         constructing.
5538
5539 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5540
5541         * genautomata.c (output_get_cpu_unit_code_func,
5542         output_cpu_unit_reservation_p): Don't generate old-style function
5543         definitions.
5544
5545 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5546
5547         PR c++/20023
5548         PR tree-optimization/20009
5549         * convert.c (convert_to_integer): Revert 2005-02-16 change.
5550
5551         PR tree-optimization/18947
5552         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5553         inline, remove all nodes that are inlined into the extern inline
5554         being redefined.
5555
5556 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5557
5558         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
5559         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
5560         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
5561         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
5562         Update copyright.
5563
5564 2005-02-17  Roger Sayle  <roger@eyesopen.com>
5565
5566         PR tree-optimization/19917
5567         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
5568         to be potentially trapping.
5569
5570 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5571
5572         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
5573
5574 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5575
5576         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
5577         tem becomes a local variable which is set to the value of the
5578         back end defined INITIAL_FRAME_ADDRESS macro.
5579         (expand_builtin_frame_address): Omit the base parameter to
5580         expand_builtin_return_addr.
5581         (expand_builtin_profile_func): Likewise.
5582         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
5583         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
5584         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
5585
5586 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
5587
5588         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
5589         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
5590         * config/frv/frv.c (frv_function_epilogue): Likewise.
5591
5592 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
5593
5594         * lambda-code (perfect_nestify): Remove mark/unmark
5595         for rewriting hack.
5596         * tree-loop-linear.c (linear_transform_loops): Add
5597         rewrite_into_ssa call so that ssa is correct for
5598         rewriting into loop closed.
5599
5600 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
5601
5602         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
5603         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
5604         BITMAP_FREE.
5605         * bt-load.c (btr_def_live_range, combine_btr_defs,
5606         migrate_btr_def, migrate_btr_defs): Likewise.
5607         * cfgcleanup.c (thread_jump): Likewise.
5608         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
5609         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
5610         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
5611         df_rd_local_compute, df_reg_info_compute): Likewise.
5612         * dominance.c (init_dom_info, free_dom_info): Likewise.
5613         * flow.c (init_propagate_block_info,
5614         free_propagate_block_info): Likewise.
5615         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
5616         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
5617         modify_reg_pav): Likewise.
5618         * loop-invariant.c (find_defs, find_invariant_insn,
5619         find_invariants, free_inv_motion_data): Likewise.
5620         * predict.c (tree_predict_by_opcode,
5621         estimate_bb_frequencies): Likewise.
5622         * stmt.c (expand_case): Likewise.
5623         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
5624         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
5625         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
5626         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
5627         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
5628         rewrite_ssa_into_ssa): Likewise.
5629         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5630         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
5631         analyze_edges_for_bb, perform_edge_inserts): Likewise.
5632         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
5633         * tree-sra.c (tree_sra): Likewise.
5634         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
5635         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5636         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
5637         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
5638         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
5639         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
5640         Likewise.
5641         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
5642         calculate_live_on_entry, calculate_live_on_exit,
5643         build_tree_conflict_graph): Likewise.
5644         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
5645         record_important_candidates, set_use_iv_cost, find_depends,
5646         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
5647         tree_ssa_iv_optimize_finalize): Likewise.
5648         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
5649         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
5650         tree_duplicate_loop_to_header_edge): Likewise.
5651         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
5652         * tree-ssa.c (verify_flow_insensitive_alias_info,
5653         verify_name_tags, verify_ssa, init_tree_ssa,
5654         delete_tree_ssa): Likewise.
5655         * tree-ssanames.c (marked_ssa_names, init_ssanames,
5656         fini_ssanames): Likewise.
5657         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
5658
5659 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
5660
5661         * config/rs6000/t-rtems: Completely reworked.
5662
5663 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5664
5665         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
5666
5667 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5668
5669         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
5670         POINTER_TYPE_P when checking that type is a pointer.
5671         (vect_get_memtag): Remove.
5672         (vect_address_analysis): Use POINTER_TYPE_P. Call
5673         vect_object_analysis with dummy parameter for memtag.
5674         (vect_object_analysis): Extract memtag (functionality that
5675         used to be in vect_get_memtag and moved here). Fix printings.
5676         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
5677         with correct parameters. Remove call to vect_get_memtag.
5678
5679 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
5680
5681         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
5682         (tree-vectorizer.o): Added missing dependencies.
5683
5684         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
5685         decleration.
5686         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
5687         declaration in tree-vectorizer.c, now has an extern declaration in
5688         tree-vectorizer.h).
5689         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5690         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5691         get_vectype_for_scalar_type, vect_is_simple_use,
5692         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5693         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
5694         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
5695         vectorizable_store, vectorizable_operation, vectorizable_assignment,
5696         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
5697         find_loop_location): Likewise.
5698
5699         * tree-vectorizer.c (langhooks.h): #include removed.
5700         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
5701         moved to tree-vectorized.h.
5702         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5703         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5704         get_vectype_for_scalar_type, vect_is_simple_use,
5705         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5706         vect_supportable_dr_alignment, new_loop_vec_info,
5707         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
5708         vect_set_verbosity_level, find_loop_location): Likewise.
5709
5710         (vect_analyze_loop): Function externalized. Declaration moved to
5711         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
5712         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
5713         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
5714         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
5715         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
5716         vect_enhance_data_refs_alignment, vect_analyze_operations,
5717         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
5718         vect_stmt_relevant_p, vect_get_loop_niters,
5719         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
5720         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
5721         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
5722         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
5723         vect_get_memtag): Likewise.
5724
5725         (vectorizable_load): Function externalized. Declaration moved to
5726         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
5727         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
5728         vect_transform_loop): Likewise.
5729         (vect_transform_stmt): Moved to tree-vect-transform.c.
5730         (vect_align_data_ref, vect_create_destination_var,
5731         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
5732         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
5733         vect_get_vec_def_for_operand, vect_init_vector,
5734         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
5735         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
5736         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
5737         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
5738         vect_do_peeling_for_loop_bound): Likewise.
5739
5740         * tree-vect-analyze.c: New file.
5741         * tree-vect-transform.c: New file.
5742
5743 2005-02-17  Jason Merrill  <jason@redhat.com>
5744
5745         PR mudflap/19319, c++/19317
5746         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
5747         slot explicit.
5748
5749 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
5750
5751         * doc/install.texi (Specific): Update link for Darwin-specific
5752         tool binary site.
5753
5754 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
5755
5756         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
5757         constant_boolean_node.
5758
5759 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
5760
5761         PR target/19019
5762         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
5763         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
5764
5765 2005-02-16  Richard Henderson  <rth@redhat.com>
5766
5767         PR 19920
5768         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
5769         with W_TYPE_SIZE.
5770         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
5771         replace uses with Wtype_MAXp1_F.
5772         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
5773         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
5774         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
5775         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
5776         and HAVE_TFMODE as appropriate.
5777         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
5778         (__floatdisf): Likewise.
5779         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
5780         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
5781         (Wtype_MAXp1_F): New.
5782         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
5783         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
5784
5785 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
5786
5787         * PR target/19162
5788         * arm.c (arm_apply_result_size): New function.
5789         * arm.h (APPLY_RESULT_SIZE): Define.
5790         * arm-protos.h (arm_apply_result_size): Add prototype.
5791         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
5792         (movxf): New expand.
5793         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
5794         (call_value_symbol): Remove predicate for operand 0.
5795         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
5796         (untyped_call): Rework to correclty return values for any type.
5797         (untyped_return): New expand.
5798         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
5799
5800 2005-02-16  Stan Shebs  <shebs@apple.com>
5801
5802         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
5803         * config/rs6000/t-darwin8: New, for 64-bit multilib.
5804
5805 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5806
5807         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
5808         configure settings on Solaris 7 and later.
5809
5810 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
5811
5812         PR tree-optimization/19865
5813         * tree-optimize.c (init_tree_optimization_passes): Run
5814         pass_may_alias after pass_sra.
5815
5816 2005-02-16  Richard Henderson  <rth@redhat.com>
5817             Stuart Hastings  <stuart@apple.com>
5818
5819         PR debug/19521
5820         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
5821         Do nothing if debug info suppressed for this function.
5822         (dbxout_begin_function): Early exit if debug info suppressed for
5823         this function.
5824
5825 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
5826
5827         PR target/20007
5828         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
5829         find_basic_blocks.
5830         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
5831
5832         PR tree-optimization/19967
5833         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
5834         expand_builtin_strchr, expand_builtin_strrchr): Take a new
5835         argument TYPE.  Adjust calls to fold_builtin_XXX.
5836         (expand_builtin, fold_builtin_1): Adjust calls to
5837         expand_builtin_XXX.
5838         (fold_builtin_strchr, fold_builtin_strpbrk,
5839         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
5840         result to a requested type TYPE.
5841
5842 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
5843
5844         PR middle-end/19857
5845         * fold-const.c (fold): Don't optimize (T)(x & cst) to
5846         (T)x & (T)cst if (T)cst overflows.
5847         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
5848         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
5849
5850 2005-02-15  Jeff Law  <law@redhat.com>
5851
5852         * gcse.c (blocks_with_calls): New bitmap.
5853         (alloc_gcse_mem): Allocate it.
5854         (free_gcse_mem): Free it.
5855         (clear_modifY_mem_tables): Clear it.
5856         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
5857         when we encounter CALL_INSNs.
5858         (compute_transp, case MEM): Handle blocks with calls separate
5859         from blocks without calls.  Use bitmap iterators rather than
5860         FOR_EACH_BB.
5861
5862 2005-02-15  Peter O'Gorman  <peter@pogma.com>
5863
5864         PR bootstrap/18810
5865         * mklibgcc.in (vis_hide): Use a temporary object file, not
5866         -o /dev/null.
5867
5868 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5869
5870         PR target/19924
5871         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
5872         access optimization.
5873
5874 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
5875             Alan Modra  <amodra@bigpond.net.au>
5876
5877         PR target/19019
5878         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
5879         (_xlqsub): Rename to __gcc_qsub.
5880         (_xlqmul): Rename to __gcc_qmul.
5881         (_xlqdiv): Rename to __gcc_qdiv.
5882         Provide versioned symbol aliases with old names.
5883         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
5884         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
5885         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
5886         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
5887         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
5888
5889 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5890
5891         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
5892         Fold ~(A - 1) and ~(A + -1) to -A.
5893
5894 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5895
5896         PR pch/14940
5897         PR target/19300
5898         * config/host-linux.c (linux_gt_pch_use_address): Copy from
5899         config/pa/pa-host.c:pa_gt_pch_use_address.
5900
5901 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
5902
5903         * tree-vn.c (get_value_handle): Make sure that given an
5904         is_gimple_min_invariant expression, we always return it.
5905
5906 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5907
5908         * passes.c (rest_of_handle_gcse): Fix a comment.
5909
5910 2005-02-15  Jeff Law  <law@redhat.com>
5911
5912         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
5913         bitmap.
5914         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
5915         (canon_list_insert, record_last_mem_set_info): Similarly.
5916         (clear_modify_mem_tables): Similarly.
5917
5918 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5919
5920         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
5921         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
5922         config/mips/mips.md, config/rs6000/aix.h,
5923         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
5924
5925 2005-02-15  Richard Henderson  <rth@redhat.com>
5926
5927         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
5928         call to be best_edge.
5929
5930 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5931
5932         * basic-block.h: Adjust the prototype for find_basic_blocks.
5933         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
5934         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
5935         find_basic_blocks.
5936
5937         * flow.c (recompute_reg_usage): Remove all arguments.
5938         * passes.c (rest_of_compilation): Adjust the call to
5939         recompute_reg_usage.
5940         * rtl.h: Adjust the prototype for recompute_reg_usage.
5941
5942 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
5943
5944         * tree-dump.c (dump_files): Update to reflect new member
5945         of dump_file_info.
5946         (dump_register): Add new argument.
5947         Set glob name.
5948         (dump_switch_p_1): Check against glob name if doglob was passed.
5949         (dump_switch_p): Check against regular first, then glob if
5950         we didn't have any hits on the dump name.
5951         * tree-optimize.c (register_one_dump_file):
5952         Pass in glob name as well.
5953         * tree-pass.h (struct dump_file_info): Add glob
5954         member.
5955
5956 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
5957
5958         PR preprocessor/16323
5959         * doc/invoke.texi: Document that -Wendif-labels is on by default.
5960
5961 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
5962
5963         PR target/19019
5964         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
5965         (trunctfdf2_internal1): New.
5966         (trunctfdf2_internal2): Renamed from trunctfdf2.
5967
5968 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
5969
5970         PR tree-optimization/19853
5971         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
5972
5973 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5974
5975         * passes.c (rest_of_handle_loop_optimize): Remove calls to
5976         delete_dead_jumptables and cleanup_cfg.
5977
5978 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
5979
5980         * reload.c (find_reloads): Swap address_reloaded flags when
5981         swapping commutative operands.
5982
5983 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
5984
5985         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
5986         Use standard_iv_increment_position for computing the bsi position
5987         for create_iv.
5988         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
5989         the bsi position.
5990
5991 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
5992
5993         PR target/17428
5994         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
5995         life range of hard registers.
5996         * value-prof.c (insn_prefetch_values_to_profile): Only
5997         scan normal insns.
5998
5999         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6000         profile in libcalls.
6001
6002 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6003
6004         * bitmap.h (bitmap_and_compl_into): Return bool.
6005         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6006
6007 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6008
6009         PR tree-optimization/19944
6010         * fold-const.c (fold): Re-add ABS_EXPR folding.
6011
6012 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6013
6014         PR target/19019
6015         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6016         {TARGET,MASK}_XL_COMPAT.
6017         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6018         MASK_XL_COMPAT.
6019         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6020         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6021         TARGET_XL_COMPAT.
6022         (rs6000_arg_partial_bytes): Same.
6023         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6024         and XL compatibility enabled.
6025         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6026         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6027         test to final condition.
6028         (cmptf_internal2): New.
6029         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6030         xl-compat.  Add TFmode information to description.
6031
6032 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6033
6034         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6035
6036 2005-02-13  Jason Merrill  <jason@redhat.com>
6037
6038         PR c++/16405
6039         * fold-const.c (fold_indirect_ref_1): Split out from...
6040         (build_fold_indirect_ref): Here.
6041         (fold_indirect_ref): New fn.
6042         * tree.h: Declare it.
6043         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6044         (gimplify_modify_expr_rhs): Likewise.
6045         (gimplify_expr): Likewise.
6046
6047 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6048
6049         PR tree-optimization/14303
6050         PR tree-optimization/15784
6051         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6052         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6053         ABS_EXPR<x> != 0 to x != 0.
6054
6055 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6056
6057         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6058         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6059         spelling conventions.
6060
6061         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6062         delete_trivially_dead_insns too many times.
6063
6064         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6065         tem and tem2.
6066
6067 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6068
6069         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6070         (vect_is_simple_iv_evolution): Remove redundant parameter
6071         and step check.
6072         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6073         without last parameter.
6074         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6075         Return pointer step. Call vect_is_simple_iv_evolution without
6076         last parameter. Check only that the step is multiple of size
6077         type. Remove stmt_vinfo updates.
6078         (vect_get_memtag_and_dr): Remove.
6079         (vect_get_memtag): New function.
6080         (vect_address_analysis): New function.
6081         (vect_object_analysis): New function.
6082         (vect_analyze_data_refs): Call vect_object_analysis and
6083         vect_get_memtag. Update stmt_vinfo fields.
6084
6085 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6086
6087         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6088         exist and are objects. Remove checks for pointer.
6089         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6090         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6091         (vect_create_data_ref_ptr): Likewise.
6092         (vect_base_addr_differ_p): New function.
6093         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6094         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6095         Don't set the DR_BASE_NAME field of data-ref.
6096         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6097
6098 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6099
6100         * optabs.h (enum optab_index): Add new OTI_ldexp.
6101         (ldexp_optab): Define corresponding macro.
6102         * optabs.c (init_optabs): Initialize ldexp_optab.
6103         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6104         patterns.
6105         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6106         using ldexp_optab.
6107         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6108         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6109
6110         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6111         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6112         intrinsics.
6113
6114 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6115
6116         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6117         to base_address.
6118         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6119         stmt_vec_info.
6120         (vect_get_base_and_offset): Always return an address.
6121         (vect_create_addr_base_for_vector_ref): Remove treatment for
6122         different data reference types.
6123         (vect_compute_data_ref_alignment): Rename base to base_address in
6124         stmt_vec_info. Get the object in order to force its alignment.
6125         (vect_get_memtag_and_dr): Rename base to base_address in
6126         stmt_vec_info. Extract the object for memtag analysis.
6127
6128 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6129
6130         PR regression/19898.
6131         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6132         changes cc_status, use apply modified_in_p to part of cc_status
6133         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6134         body.
6135
6136 2005-02-11  Richard Henderson  <rth@redhat.com>
6137
6138         * tree-complex.c (expand_complex_libcall): New.
6139         (expand_complex_multiplication): Use it for c99 compliance.
6140         (expand_complex_division): Likewise.
6141         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6142         (fold): Call them.
6143         * builtins.c (built_in_names): Remove const.
6144         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6145         builtins.
6146         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6147         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6148         (built_in_names): Remove const.
6149         * c-common.c (c_common_type_for_mode): Handle complex modes.
6150         * flags.h, toplev.c (flag_complex_method): Rename from
6151         flag_complex_divide_method.
6152         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6153         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6154         * libgcc2.h: Declare them.
6155         * libgcc-std.ver: Export them.
6156         * mklibgcc.in (lib2funcs): Build them.
6157
6158 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6159
6160         PR tree-optimization/19876
6161         Partially revert my change from 2005-01-14
6162         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6163         (compute_antic): ...and remove the loop here.
6164
6165 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6166
6167         PR middle-end/19858
6168         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6169         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6170
6171         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6172         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6173
6174 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6175
6176         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6177         offsets for the big-endian 32-bit case.
6178
6179 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6180
6181         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6182
6183 2005-02-11  Dale Johannesen  <dalej@apple.com>
6184
6185         * cselib.c (cselib_process_insn):  Clear out regs where
6186         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6187         * reload.c (find_equiv_reg): Ditto.
6188
6189 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6190
6191         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6192         with no elements.
6193
6194         * tree.c (build_function_type_list): Work correctly if there are
6195         no arguments.
6196
6197 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6198
6199         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6200         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6201         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6202         TARGET_ZARCH instead of TARGET_64BIT.
6203
6204 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6205
6206         * config/rs6000/t-rtems:
6207         (MULTILIB_OPTIONS): Remove mcpu=602.
6208         (MUTLILIB_DIRNAMES): Remove m602.
6209         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6210         Let mcpu=602 match mcpu=603.
6211         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6212
6213 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6214
6215         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6216         signal trampolines.
6217
6218 2005-02-10  David Daney  <ddaney@avtrex.com>
6219
6220         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6221         * config/i386/linux-unwind.h: Likewise.
6222         * config/ia64/linux-unwind.h: Likewise.
6223         * config/mips/linux-unwind.h: Likewise.
6224         * config/pa/linux-unwind.h: Likewise.
6225         * config/rs6000/linux-unwind.h: Likewise.
6226         * config/s390/linux-unwind.h: Likewise.
6227         * config/sh/linux-unwind.h: Likewise.
6228         * config/sparc/linux-unwind.h: Likewise.
6229
6230 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6231
6232         PR tree-optimization/17549
6233         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6234         TER to replace a DEF with its expression if the DEF and the
6235         rhs of the expression we replace into have the same root
6236         variable.
6237
6238 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6239
6240         * config/mips/mips.md: Fix the placement of the match_scratch in the
6241         lea64 peephole2.
6242
6243 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6244
6245         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6246         Fix comment typos.
6247
6248 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6249
6250         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6251         (strip_offset): Handle addresses.
6252         (add_address_candidates): Use strip_offset.
6253         (difference_cost): Reflect strip_offset change.
6254         (force_var_cost, difference_cost): Strip nops.
6255
6256 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6257
6258         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6259
6260         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6261         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6262         config/cris/cris-protos.h, config/cris/cris.c: Update
6263         copyright.
6264
6265 2005-02-10  Jeff Law  <law@redhat.com>
6266
6267         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6268         (lookup_avail_expr): Similarly.
6269
6270 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6271
6272         * builtins.c (fold_builtin_powi): New function.
6273         (fold_builtin_1): Call it.
6274
6275 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6276
6277         PR documentation/19309
6278         * doc/cpp.texi: The __GNUC__ and related predefined macros
6279         are also defined for the "standalone" cpp.
6280         Some non-GCC compilers may also define __GNUC__.
6281
6282 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6283
6284         PR c/19342
6285         * c-typeck.c (common_type): New routine.  Old common_type renamed
6286         to...
6287         (c_common_type): ...this.
6288         (build_conditional_expr, build_binary_op): Use c_common_type instead
6289         of common_type.
6290
6291 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6292
6293         * doc/md.texi: Replace @samp{length} with @code{length}.
6294
6295 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6296
6297         PR tree-optimization/18687
6298         * tree-flow.h (find_loop_niter): Declare.
6299         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6300         Try using scev even for loops with more than one exit.
6301         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
6302         (struct ivopts_data): Added niters field.
6303         (struct nfe_cache_elt): New.
6304         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
6305         functions.
6306         (tree_ssa_iv_optimize_init): Initialize niters cache.
6307         (determine_number_of_iterations): Removed.
6308         (find_induction_variables): Do not call determine_number_of_iterations.
6309         Access niters for single exit through niter_for_single_dom_exit.
6310         (add_iv_outer_candidates): Access niters for single exit through
6311         niter_for_single_dom_exit.
6312         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
6313         number_of_iterations_cond.
6314         (iv_period): New function.
6315         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
6316         (may_replace_final_value): Take data argument.  Use
6317         niter_for_single_dom_exit.
6318         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
6319         (rewrite_use_compare): Pass data to may_eliminate_iv.
6320         (rewrite_use_outer): Pass data to may_replace_final_value.
6321         (free_loop_data): Clean up the niters cache.
6322         (tree_ssa_iv_optimize_finalize): Free the niters cache.
6323         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
6324         * tree-ssa-loop-niter.c (find_loop_niter): New function.
6325         (find_loop_niter_by_eval): Use tree_int_cst_lt.
6326         (num_ending_zeros): Moved to tree.c.
6327         * tree.h (num_ending_zeros): Declare.
6328         * tree.c (num_ending_zeros): Moved from tree.c.
6329
6330 2005-02-09  Richard Henderson  <rth@redhat.com>
6331
6332         * builtins.c (DEF_BUILTIN): Add COND argument.
6333         * tree.h (DEF_BUILTIN): Likewise.
6334         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
6335         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
6336         match.
6337         (DEF_BUILTIN_STUB): New.
6338         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
6339         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
6340         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
6341         * c-common.c (DEF_BUILTIN): Add COND argument.
6342         * tree.c (local_define_builtin): New.
6343         (build_common_builtin_nodes): New.
6344
6345 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6346
6347         * fold-const.c (fold_strip_sign_ops): New function to simplify a
6348         floating point expression ignoring the sign of the result.
6349         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
6350         (fold) <MULT_EXPR>: Use it to simplify x*x.
6351         * tree.h (fold_strip_sign_ops): Prototype here.
6352         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
6353         argument.  Use fold_strip_sign_ops to simplify the first argument.
6354         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
6355         first argument when the second argument is an even integer
6356         constant, but only with -funsafe_math_optimizations.
6357         (fold_builtin_1): Update call to fold_builtin_copysign.
6358
6359 2005-02-09  Ian Lance Taylor  <ian@airs.com>
6360
6361         PR middle-end/19583
6362         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
6363         just check whether EH_FILTER_FAILURE falls through.
6364
6365 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
6366
6367         * gcc/haifa-sched.c (schedule_block): Make queued sched group
6368         insns return to ready list in the next turn.
6369
6370 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6371
6372         PR middle-end/19402
6373         * builtins.def: New __builtin_powi[lf].
6374         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
6375         (expand_builtin_powi): New function.
6376         (expand_builtin): Dispatch to expand_builtin_powi.
6377         * libgcc2.h: Add prototypes for __builtin_powi[lf].
6378         * libgcc2.c: Add __builtin_powi[lf] implementation.
6379         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
6380         * optabs.h: Add powi_optab.
6381         * optabs.c (init_optabs): Initialize powi_optab.
6382         * doc/extend.texi: Document __builtin_powi[lf].
6383
6384 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
6385
6386         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
6387         exists.
6388
6389 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6390
6391         PR middle-end/19854
6392         * fold-const.c (try_move_mult_to_index): Remove redundant
6393         type argument.  Create ADDR_EXPR with correct type.
6394         (fold): Update callers of try_move_mult_to_index.  Convert
6395         result to the appropriate type.
6396
6397 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6398
6399         PR target/19597
6400         * config/avr/avr.c (default_rtx_costs): Delete.
6401         (avr_operand_rtx_cost): New function.
6402         (avr_rtx_costs): Completely rewrite.
6403
6404 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
6405
6406         PR target/19806
6407         * config/cris/cris.c (in_code): New variable.
6408         (cris_output_addr_const): Now a static function, a wrapper for
6409         output_addr_const.
6410         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
6411         case from old cris_output_addr_const.
6412         (cris_asm_output_label_ref): Similar for LABEL_REF.
6413         (cris_output_addr_const_extra): Similar for UNSPEC.
6414         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
6415         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
6416         * config/cris/cris-protos.h (cris_output_addr_const): Remove
6417         declaration.
6418         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
6419         (cris_asm_output_label_ref): Declare.
6420
6421 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
6422
6423         PR preprocessor/19801
6424         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
6425         filenames that changed when libcpp was moved to the toplevel.
6426
6427 2005-02-07  Roger Sayle  <roger@eyesopen.com>
6428
6429         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6430         zero extensions of BImode operands.  Call lowpart_subreg instead
6431         of gen_lowpart_common and gen_lowpart_SUBREG.
6432
6433 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
6434
6435         PR ada/19489
6436         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
6437         * configure.ac: Set cc_for_cross_gnattools.
6438         * configure: Regenerate.
6439
6440 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
6441
6442         PR target/19803
6443         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
6444
6445 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6446
6447         PR debug/19327
6448         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
6449         of nested functions.
6450
6451 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
6452
6453         * doc/extend.texi: Document deprecated extensions allowing
6454         static floating-point members to have initializers and allowing
6455         floating-point literals in integral constant expressions.
6456
6457 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
6458
6459         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
6460         config/darwin7.h, config/mips/mips.c,
6461         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
6462         Update copyright.
6463
6464         * cse.c: Update comments.
6465
6466 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
6467
6468         PR middle-end/19775
6469         * builtins.c (fold_builtin_sqrt): Transform
6470         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
6471         pow(x,y*0.5).
6472
6473 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
6474             Dorit Naishlos  <dorit@il.ibm.com>
6475
6476         * doc/invoke.texi (ftree-vectorizer-verbose): New.
6477         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
6478         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
6479         was added.
6480         * tree.h (vect_set_verbosity_level): New extern function declaration
6481         added.
6482         * tree-vectorizer.h (verbosity_levels): New enum type.
6483         * tree-vectorizer.c (vect_debug_stats): Function removed.
6484         (vect_debug_details): Likewise.
6485         (vect_verbosity_level): Global variable was defined and initialized.
6486         (vect_dump): Global variable definition.
6487         (vect_print_dump_info): New function.
6488         (vect_set_dump_settings): New function.
6489         (vect_set_verbosity_level): New function.
6490         (vectorize_loops): Add call to vect_set_dump_settings.
6491
6492         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
6493         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6494         (slpeel_tree_peel_loop_to_edge): Likewise.
6495
6496         (vect_analyze_offset_expr): Call to vect_print_dump_info with
6497         appropriate verbosity level instead of call to vect_debug_details
6498         or vect_debug_stats.
6499         (vect_get_base_and_offset):
6500         (vect_create_addr_base_for_vector_ref):
6501         (get_vectype_for_scalar_type):
6502         (vect_create_data_ref_ptr):
6503         (vect_init_vector):
6504         (vect_get_vec_def_for_operand):
6505         (vect_finish_stmt_generation):
6506         (vectorizable_assignment):
6507         (vectorizable_operation):
6508         (vectorizable_store):
6509         (vectorizable_load):
6510         (vect_transform_stmt):
6511         (vect_update_ivs_after_vectorizer):
6512         (vect_do_peeling_for_loop_bound):
6513         (vect_update_inits_of_drs):
6514         (vect_do_peeling_for_alignment):
6515         (vect_transform_loop):
6516         (vect_is_simple_use):
6517         (vect_analyze_operations):
6518         (vect_is_simple_iv_evolution):
6519         (vect_analyze_scalar_cycles):
6520         (vect_analyze_data_ref_dependence):
6521         (vect_analyze_data_ref_dependences):
6522         (vect_compute_data_ref_alignment):
6523         (vect_enhance_data_refs_alignment):
6524         (vect_analyze_data_refs_alignment):
6525         (vect_analyze_data_ref_access):
6526         (vect_analyze_data_ref_accesses):
6527         (vect_analyze_pointer_ref_access):
6528         (vect_get_memtag_and_dr):
6529         (vect_analyze_data_refs):
6530         (vect_mark_relevant):
6531         (vect_stmt_relevant_p):
6532         (vect_mark_stmts_to_be_vectorized):
6533         (vect_can_advance_ivs_p):
6534         (vect_get_loop_niters):
6535         (vect_analyze_loop_form):
6536         (vect_analyze_loop):
6537         (vectorize_loops): Likewise.
6538
6539         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
6540         (vect_update_inits_of_drs):
6541         (vect_do_peeling_for_alignment):
6542         (vect_transform_loop):
6543         (vect_analyze_operations):
6544         (vect_analyze_scalar_cycles):
6545         (vect_analyze_data_ref_dependences):
6546         (vect_analyze_data_refs_alignment):
6547         (vect_analyze_data_ref_accesses):
6548         (vect_analyze_data_refs):
6549         (vect_mark_stmts_to_be_vectorized):
6550         (vect_get_loop_niters):
6551         (vect_analyze_loop_form):
6552         (vect_analyze_loop): Likewise.
6553         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
6554
6555 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
6556
6557         PR bootstrap/19796
6558         Revert:
6559         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6560         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6561         either -ffast-math or -funsafe-math-optimizations is in use.
6562
6563         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6564         * config/mips/irix-csr.c: New file.
6565         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6566         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6567         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6568         executables.
6569
6570 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
6571
6572         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
6573         redundant, incorrect definitions.
6574
6575         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
6576         expand.
6577         ("*tls_indirect_call"): New, reference hard regs directly.
6578         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
6579
6580 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6581
6582         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
6583         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
6584
6585 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6586
6587         PR rtl-optimization/19800
6588         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
6589         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
6590         gen_lowpart.
6591
6592 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6593
6594         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
6595
6596 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
6597
6598         PR other/17135
6599         * doc/invoke.texi: Correct documentation of -freorder-functions.
6600
6601 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6602
6603         PR other/14402
6604         * doc/invoke.texi: Don't mention gccbug.
6605
6606 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6607             Andrew Pinski  <pinskia@physics.uc.edu>
6608             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
6609
6610         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6611         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
6612         into just (zero_extract:SI FOO (const_int 1) BAR).
6613
6614 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6615
6616         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
6617         macro locally.  Don't give last revision date.  Use GCC version
6618         number from gcc-common.texi.
6619         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
6620         revision date.  Use GCC version number from gcc-common.texi.
6621         Describe being a library as current state rather than as 3.x
6622         history.
6623         * doc/gcc.texi: Remove last update date.
6624         * doc/gccint.texi: Likewise.  Update copyright dates.
6625         * doc/install.texi: Update copyright dates.
6626
6627 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6628
6629         PR other/7549
6630         * doc/invoke.texi: Mention for each option included in -Wall that
6631         it is included in -Wall.
6632         * doc/gcc.texi: Update copyright and last modification date.
6633
6634 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6635
6636         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
6637         unnecessary cast to original induction variable increments.
6638
6639 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6640
6641         PR tree-optimization/18219
6642         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
6643         in distributed form.
6644
6645 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
6646
6647         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
6648         Set bitpos and offset later in the function.  Do nothing if the
6649         target is a register and if the bitfield lies completely outside
6650         that register.
6651         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
6652         here.  Return an uninitialised register if the source value is stored
6653         in a register and the bitfield lies completely outside that register.
6654
6655 2005-02-06  Steven Bosscher  <stevenb@suse.de>
6656
6657         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
6658         not SET_DEST.
6659
6660 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
6661
6662         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
6663
6664 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
6665
6666         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
6667         * config/darwin8.h: New.
6668         * config/darwin7.h: Update comment.
6669
6670 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6671             Dorit Naishlos  <dorit@il.ibm.com>
6672
6673         * tree-vectorizer.h (LOC): New type.
6674         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
6675         (loop_line_number): New field in struct _loop_vec_info.
6676         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
6677
6678         * tree-vectorizer.c (input.h): Included.
6679         (find_loop_location): New function.
6680         (vect_debug_stats): Argument changed from loop to LOC. Computation of
6681         loop line number removed.
6682         (vect_debug_details): Likewise.
6683         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
6684
6685         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
6686         call to vect_debug_details/stats changed from loop to loop_loc.
6687         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6688         (slpeel_tree_peel_loop_to_edge): Likewise.
6689
6690         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
6691         changed from NULL to UNKNOWN_LOC.
6692         (vect_get_base_and_offset):
6693         (vect_create_addr_base_for_vector_ref):
6694         (get_vectype_for_scalar_type):
6695         (vect_create_data_ref_ptr):
6696         (vect_init_vector):
6697         (vect_get_vec_def_for_operand):
6698         (vect_finish_stmt_generation):
6699         (vectorizable_assignment):
6700         (vectorizable_operation):
6701         (vectorizable_store):
6702         (vectorizable_load):
6703         (vect_transform_stmt):
6704         (vect_update_ivs_after_vectorizer):
6705         (vect_do_peeling_for_loop_bound):
6706         (vect_do_peeling_for_alignment):
6707         (vect_transform_loop):
6708         (vect_is_simple_use):
6709         (vect_analyze_operations):
6710         (vect_is_simple_iv_evolution):
6711         (vect_analyze_scalar_cycles):
6712         (vect_analyze_data_ref_dependences):
6713         (vect_compute_data_ref_alignment):
6714         (vect_enhance_data_refs_alignment):
6715         (vect_analyze_data_ref_access):
6716         (vect_analyze_data_ref_accesses):
6717         (vect_analyze_pointer_ref_access):
6718         (vect_get_memtag_and_dr):
6719         (vect_analyze_data_refs):
6720         (vect_mark_relevant):
6721         (vect_stmt_relevant_p):
6722         (vect_mark_stmts_to_be_vectorized):
6723         (vect_can_advance_ivs_p):
6724         (vect_get_loop_niters):
6725         (vect_analyze_loop):
6726         (vectorize_loops): Likewise.
6727
6728         (vectorizable_load): Argument in call to vect_debug_details/stats
6729         changed from loop to LOOP_LOC (loop_vinfo).
6730         (vect_transform_loop):
6731         (vect_analyze_operations):
6732         (vect_analyze_scalar_cycles):
6733         (vect_analyze_data_ref_dependence):
6734         (vect_enhance_data_refs_alignment):
6735         (vect_analyze_data_ref_accesses):
6736         (vect_analyze_pointer_ref_access):
6737         (vect_analyze_data_refs):
6738         (vect_analyze_loop): Likewise.
6739
6740         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
6741         changed from loop to loop_loc.
6742
6743         (vect_enhance_data_refs_alignment): Removed unused variable loop.
6744
6745 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6746             Dorit Naishlos  <dorit@il.ibm.com>
6747
6748         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
6749         declaration added.
6750         (vect_analyze_data_ref_dependences): Likewise.
6751
6752         (vect_is_simple_use): Argument changed from loop structure to
6753         loop_vect_info structure.
6754         (vect_can_advance_ivs_p): Likewise.
6755         (vect_create_index_for_vector_ref): Likewise.
6756         (vect_update_ivs_after_vectorizer): Likewise.
6757         (new_stmt_vec_info): Likewise.
6758
6759         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
6760         changed from loop to loop_vinfo.
6761         (vect_create_data_ref_ptr): First argument in call to
6762         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
6763         (vectorizable_assignment): Second argument in call to vect_is_simple_use
6764         was changed from loop to loop_vinfo.
6765         (vectorizable_operation): Likewise.
6766         (vectorizable_store): Likewise.
6767         (vect_mark_stmts_to_be_vectorized): Likewise.
6768         (vect_do_peeling_for_loop_bound): First argument in call to
6769         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
6770         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
6771         was changed from loop to loop_vinfo.
6772         (vect_analyze_data_ref_dependences): Third argument in call to
6773         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
6774
6775         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
6776         (vect_create_data_ref_ptr): Likewise.
6777         (vect_init_vector): Likewise.
6778         (vect_get_vec_def_for_operand): Likewise.
6779         (vectorizable_assignment): Likewise.
6780         (vectorizable_operation): Likewise.
6781         (vectorizable_store): Likewise.
6782         (vectorizable_load): Likewise.
6783         (vect_update_ivs_after_vectorizer): Likewise.
6784         (vect_is_simple_use): Likewise.
6785         (vect_analyze_data_ref_dependence): Likewise.
6786         (vect_analyze_pointer_ref_access): Likewise.
6787         (vect_can_advance_ivs_p): Likewise.
6788
6789         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
6790         before _stmt_vec_info.
6791         (_stmt_vec_info): Loop field replaced by loop_vec_info.
6792         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
6793         (new_stmt_vec_info): Argument changed from loop structure to
6794         loop_vect_info structure
6795
6796         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
6797         (vect_analyze_offset_expr): Avoid 80 columns overflow.
6798         (vect_create_addr_base_for_vector_ref): Likewise.
6799         (vect_analyze_pointer_ref_access): Likewise.
6800
6801 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6802
6803         PR tree-opt/19768
6804         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
6805         phi flag if the phi is abnormal.
6806
6807 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6808
6809         PR tree-opt/19736
6810         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
6811         information for the new statement.
6812
6813 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6814
6815         PR driver/19117
6816         * gcc.c (main): Include the target in -v output.
6817
6818 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
6819
6820         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
6821         Do not drop the extend if we'd have to add a paradoxical subreg
6822         later.  Include optabs.h and insn-codes.h.
6823         * Makefile.in (combine.o): Depend on $(OPTABS_H).
6824
6825 2005-02-02  Roger Sayle  <roger@eyesopen.com>
6826
6827         PR middle-end/19405
6828         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
6829         * fold-const.c (const_binop): Avoid constant folding floating
6830         point operations in modes that use composite representations.
6831         * simplify-rtx.c (simplify_binary_operation): Likewise.
6832
6833 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
6834
6835         * config/rs6000/altivec.md (altivec_dst): Make the first operand
6836         a REG, not a MEM.
6837         (altivec_dstt): Likewise.
6838         (altivec_dstst): Likewise.
6839         (altivec_dststt): Likewise.
6840         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
6841         of first operand.
6842
6843 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6844
6845         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
6846         EXPR_LOCUS from orig_cond to the new cond_stmt.
6847         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
6848         the new vec_stmt.
6849
6850 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6851
6852         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
6853         standard_iv_increment_position. Remove call to bsi_next
6854         (no need to bump the iterator anymore).
6855         (vect_create_index_for_vector_ref): Call
6856         standard_iv_increment_position. Remove second function argument.
6857         (vect_finish_stmt_generation): Remove call to bsi_next
6858         (no need to bump the iterator anymore).
6859         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
6860         to vect_create_index_for_vector_ref.
6861
6862 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6863
6864         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
6865         phis are used out of the loop.
6866
6867 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6868
6869         PR c/17807
6870         * c-decl.c (undef_nested_function): New variable.
6871         (pop_scope): Diagnose undefined nested functions.
6872         (finish_function): Don't attempt cgraph processing or genericizing
6873         if current top-level function contained an undefined nested
6874         function.  Reset undef_nested_function at the end of a top-level
6875         function.
6876
6877 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
6878
6879         * tree.c (build_int_cst_type): Take sign of the value into account
6880         when deciding whether sign extend the value.
6881
6882 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6883
6884         PR c/18502
6885         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
6886         (cpp_options, cc1_options): Change %{std*&ansi} to
6887         %{std*&ansi&trigraphs}.
6888
6889 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6890
6891         * cse.c: Update comments.
6892
6893 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
6894
6895         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
6896         arguments go on the stack.  Do not put complex doubles in odd/even
6897         pairs.
6898
6899 2005-02-02  Steven Bosscher  <stevenb@suse.de>
6900
6901         * doc/invoke.texi: Update the options enabled at -O1, -O2,
6902         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
6903         -ftree-pre, and -fthread-jumps.
6904
6905 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
6906
6907         PR tree-optimization/19578
6908         * tree-flow.h (modified_noreturn_calls): Declare.
6909         (noreturn_call_p): Declare.
6910         * tree-flow-inline.h (noreturn_call_p): New function.
6911         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
6912         * tree-cfg.c (modified_noreturn_calls): New variable.
6913         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
6914         that contain a mid-block noreturn call.
6915         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
6916
6917 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6918
6919         * df.c (df_def_record_1, df_uses_record): Don't use
6920         DF_FOR_REGALLOC.
6921         * df.h (DF_FOR_REGALLOC): Remove.
6922
6923 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6924
6925         PR c/19435
6926         * c-typeck.c (really_start_incremental_init): Reset
6927         constructor_max_index for arrays of incomplete type.
6928
6929 2005-02-02  Jeff Law  <law@redhat.com>
6930
6931         * gcse.c (struct reg_set): Store the block index where the register
6932         was set rather than the setting insn.
6933         (record_one_set, compute_transp): Corresponding changes.
6934         (pre_insert_copy_insn): Do not call replace_one_set.
6935         (replace_one_set): Remove.
6936
6937 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6938
6939         PR other/15514
6940         * doc/gcov.texi: Fix typo.
6941
6942 2005-02-01  Richard Henderson  <rth@redhat.com
6943
6944         PR target/19680
6945         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
6946         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
6947         type to bool.
6948         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
6949         * config/i386/i386-protos.h: Update.
6950
6951 2005-02-01  Steven Bosscher  <stevenb@suse.de>
6952
6953         PR tree-optimization/19217
6954         * tree-cfg.c (verify_expr): Use the data field to see if TP was
6955         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
6956         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
6957         that it is walking a PHI node.
6958
6959 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
6960
6961         * doc/extend.texi (Nested Functions): Update.
6962
6963 2005-02-01  Richard Henderson  <rth@redhat.com>
6964
6965         PR 19696
6966         * optabs.c (expand_copysign_absneg): Export.
6967         * optabs.h (expand_copysign_absneg): Declare.
6968         * config/rs6000/rs6000.md (copysigntf3): New.
6969
6970 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6971
6972         PR tree-optimization/19633
6973         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
6974         * tree-ssa-alias.c (init_alias_info): Initialize.
6975         (merge_pointed_to_info): Set.
6976         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
6977         (dump_points_to_info_for): Show value of pt_null.
6978         (struct count_ptr_d): Declare.
6979         (find_ptr_dereference): Remove.
6980         (ptr_is_dereferenced_by): Remove.
6981         (count_ptr_derefs): New local function.
6982         (count_uses_and_derefs): New local function.
6983         (compute_points_to_and_addr_escape): Call it.  If the number
6984         of dereferences is greater than zero, mark the pointer as
6985         dereferenced.  If there are fewer dereferences than uses of
6986         the pointer, the pointer's value escapes.
6987
6988 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
6989
6990         PR tree-optimization/19670
6991         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
6992         here...
6993         (verify_use): ... set it here, instead.
6994
6995 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
6996
6997         * doc/sourcebuild.texi (Test directives): Fix formatting.
6998
6999         * doc/sourcebuild.texi (Test directives): Describe selector
7000         expressions.
7001
7002 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7003
7004         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7005         specific 64-bit CPUs.
7006
7007 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7008
7009         PR target/16201
7010         * arm.c (arm_eliminable_register): New function.
7011         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7012         HOST_WIDE_INT for address offsets.
7013         * arm-protos.h (arm_eliminable_register): Add prototype.
7014
7015 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7016
7017         PR optimization/15242
7018         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7019         * basic-block.h (duplicate_computed_gotos): Add prototype.
7020         * bb-reorder.c (duplicate_computed_gotos): New function to
7021         duplicate sufficiently small blocks ending in a computed jump.
7022         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7023         if not optimizing for size.
7024         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7025         never do tail merging for blocks ending in a computed jump.
7026         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7027
7028 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7029
7030         Patch from Richard Sandiford <rsandifo@redhat.com>
7031         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7032         from inheriting a subreg equivalence with a non-spill register.
7033
7034         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7035
7036 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7037
7038         * config/frv/frv.c (movcc_fp_destination_operand): New.
7039         (gpr_or_memory_operand): Fix typo in comment.
7040         (gpr_or_memory_operand_with_scratch): New.
7041         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7042         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7043         movcc_fp_destination_operand.
7044         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7045         Legitimize memory addresses using a scratch register.
7046
7047 2005-01-31  Jeff Law  <law@redhat.com>
7048
7049         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7050         bitmap a sparse bitmap instead of a simple bitmap.
7051         (mark_def_sites_initialize_block):  Corresponding changes.
7052         (ssa_mark_def_sites_initialize_block): Likewise.
7053         (ssa_mark_phi_uses): Likewise.
7054         (mark_def_site, ssa_mark_def_sites): Likewise.
7055         (mark_def_site_blocks): Likewise.
7056         (rewrite_ssa_into_ssa): Likewise.
7057
7058         * tree-ssa-dom.c (record_cond): Pass correct variable type
7059         for last argument to htab_find_slot_with_hash.
7060
7061         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7062         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7063
7064 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7065
7066         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7067         1_mmalua.
7068
7069 2005-02-01  Eric Christopher  <echristo@redhat.com>
7070
7071         * config/mips/mips.c (override_options): Warn if -mint64
7072         is used.
7073         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7074         deprecated.
7075
7076 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7077
7078         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7079         timestamp.
7080         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7081         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7082         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7083         (cached_regno): Initialize to INVALID_REGNUM.
7084         (cse_reg_info_table_size,
7085         cse_reg_info_table_first_uninitialized,
7086         cse_reg_info_timestamp): New.
7087         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7088         get_cse_reg_info.
7089         (init_cse_reg_info, get_cse_reg_info_1): New.
7090         (get_cse_reg_info): Cache the last look-up.
7091         (new_basic_block): Update the code to clear mappings from
7092         registers to cse_reg_info entries.
7093         (cse_main): Call init_cse_reg_info.
7094
7095         * cse.c (get_cse_reg_info): Update a comment.
7096
7097 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7098
7099         PR c/19333
7100         * c-decl.c (start_decl): Do not warn about arrays of elements with
7101         an incomplete type here.
7102         (grokdeclarator): Do it here by making a pedwarn an error.
7103         * c-typeck.c (push_init_level): If there were previous errors with
7104         the constructor type, do not warn about braces for initializers.
7105         (process_init_element): Likewise for excess initializer elements.
7106
7107 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7108
7109         * cse.c (delete_trivially_dead_insn): Don't iterate.
7110
7111 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7112
7113         * config/rs6000/rs6000.md (copysignsf3): New expand.
7114         (copysigndf3): Likewise.
7115
7116 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7117
7118         * recog.c (constrain_operands): Only look for earlyclobber operand
7119         conflicts if an '&' constraint was seen.
7120
7121 2005-01-31  Marc Espie <espie@openbsd.org>
7122
7123         * config.gcc: Don't include embedded systems fragment, switches default
7124         debugging format to ELF.
7125         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7126         longer pick it up there.
7127
7128 2005-01-31  Dale Johannesen  <dalej@apple.com>
7129
7130         * doc/extend.texi (nested functions): Fix linkage description.
7131         Clarify that static is not allowed.
7132
7133 2005-01-31  Dale Johannesen  <dalej@apple.com>
7134
7135         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7136         (movdf_low_di):  Make work.
7137
7138 2005-01-31  Dale Johannesen  <dalej@apple.com>
7139
7140         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7141         Make work for 64 bit.
7142
7143 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7144             Dale Johannesen  <dalej@apple.com>
7145
7146         PR middle-end/19650
7147         * fold-const.c (fold_binary_op_with_conditional_arg):
7148         Make types match original operands, before STRIP_NOPS.
7149
7150 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7151
7152         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7153         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7154         (struct gcc_sigcontext): Delete.  Merge contents to..
7155         (struct gcc_ucontext): ..here.
7156         (get_sigcontext): Delete.
7157         (get_regs): New function, like get_sigcontext but return regs ptr.
7158         64-bit version finds regs from r1 to support vdso.
7159         (ppc_linux_aux_vector): New function.
7160         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7161         and vector regs.
7162
7163 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7164
7165         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7166         sizetype.
7167         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7168         redundant fold. Fix misalignment for MINUS_EXPR.
7169         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7170         (vect_analyze_pointer_ref_access): Likewise.
7171         (vect_get_memtag_and_dr): Likewise.
7172
7173 2005-01-31  Richard Henderson  <rth@redhat.com>
7174
7175         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7176         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7177         absnegdf2_i387, absnegxf2_i387): Likewise.
7178
7179 2005-01-31  Richard Henderson  <rth@redhat.com>
7180
7181         PR 19696
7182         * optabs.c (expand_copysign_absneg): New.
7183         (expand_copysign_bit): Split out from ...
7184         (expand_copysign): ... here.  Use expand_copysign_absneg.
7185
7186 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7187
7188         PR middle-end/19697
7189         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7190         constant as the second operand and a register as the third.
7191
7192 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7193
7194         PR target/19704
7195         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7196         that dllimport'd functions do not use all call-clobbered registers
7197         to pass parameters.
7198
7199 2005-01-30  Richard Henderson  <rth@redhat.com>
7200
7201         PR 19696
7202         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7203         expand_abs_nojump and generalize.  Use operand_subword and
7204         emit_no_conflict_block.  Support large modes.
7205         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7206         back to maximum.
7207         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7208         negation to subtraction.
7209         (expand_copysign): Check that the format has signed zeros.
7210         Use operand_subword and emit_no_conflict_block.  Support large modes.
7211
7212 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7213
7214         Fix PR tree-optimization/19624
7215
7216         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7217         * tree-ssa-pre.c: Add cfgloop.h.
7218         Update comment.
7219         (pre_stats): New member, constified.
7220         (inserted_exprs): New static variable.
7221         (NECESSARY): New macro.
7222         (create_expression_by_pieces): Fold the expression, and
7223         mark it as defaulting to not necessary. Also put in
7224         inserted_exprs.
7225         (fully_constant_expression): New function.
7226         (insert_into_preds_of_block): Modify to not insert phis when we
7227         are playing with induction variables.
7228         Push phis onto the inserted_exprs vector, and mark them as not
7229         necessary by default.
7230         (insert_aux): Call fully_constant_expression on eprime.
7231         If all edges produce the same value, mark it constant.
7232         (mark_operand_necessary): New function.
7233         (remove_dead_inserted_code): New function.
7234         (init_pre): Init loop optimizer to get loop info.
7235         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7236         (execute_pre): Commit edge inserts, then remove dead code.
7237
7238 2005-01-30  Richard Henderson  <rth@redhat.com>
7239
7240         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7241         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7242
7243 2005-01-30  Richard Henderson  <rth@redhat.com>
7244
7245         PR target/19700
7246         * config/i386/i386.c (ix86_expand_copysign): New.
7247         (ix86_split_copysign_const): New.
7248         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7249         rearrange op1/nmask operands.
7250         * config/i386/i386-protos.h: Update.
7251         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7252         (copysigndf3): Likewise.
7253         (copysignsf3_const, copysigndf3_const): New.
7254         (copysignsf3_var): Rename from copysignsf3, split out splitter
7255         and fix split predicate for X constraint.
7256         (copysigndf3_var): Similarly.
7257
7258 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7259
7260         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7261         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7262         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7263
7264 2005-01-29  Richard Henderson  <rth@redhat.com>
7265
7266         PR target/19690
7267         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7268         of # and * in constraints.
7269
7270 2005-01-29  Richard Henderson  <rth@redhat.com>
7271
7272         PR middle-end/19689
7273         * expr.c (store_field): Don't strip sub-mode cast when the input
7274         data is even smaller.
7275
7276 2005-01-29  Richard Henderson  <rth@redhat.com>
7277
7278         PR middle-end/19687
7279         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7280         union being empty.
7281
7282 2005-01-29  Richard Henderson  <rth@redhat.com>
7283
7284         * combine.c (make_field_assignment): Fix argument order
7285         to gen_int_mode.
7286
7287 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7288
7289         PR tree-optimization/15791
7290         * fold-const.c (extract_array_ref): New function.
7291         (fold): Fold comparisons between &a[i] and &a[j] or
7292         semantically equivalent trees.
7293
7294 2005-01-29  Jeff Law  <law@redhat.com>
7295
7296         * gcse.c (insert_expr_in_table): Revamp handling of available
7297         and anticipatable occurrence lists to avoid unnecessary list
7298         walking.
7299         (insert_set_in_table): Similarly.
7300
7301 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
7302
7303         * c-common.c (fix_string_type): Just use c_build_qualified_type to
7304         build string type.
7305         (c_build_qualified_type): Build qualified array types with
7306         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
7307         * c-decl.c (c_make_fname_decl): Build unqualified array type
7308         before qualified type.
7309         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
7310         type is qualified, not just if type itself is.  Don't apply
7311         qualifiers to array type when declarator is processed.  Apply
7312         qualifiers to field type whether or not it is an array type.
7313         Don't handle array types specially for applying qualifiers to
7314         variables.
7315         * c-typeck.c (composite_type): Build unqualified element type and
7316         array type when forming composite of array types.
7317         (common_pointer_type, comptypes, comp_target_types,
7318         type_lists_compatible_p, build_indirect_ref, build_array_ref,
7319         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
7320         types.
7321         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
7322         (args2) in variables a1 and a2.
7323
7324 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
7325
7326         * cse.c (n_elements_made, max_elements_made): Remove.
7327         (insert): Don't touch n_elements_made.
7328         (cse_main): Don't touch n_elements_made or max_elements_made.
7329
7330 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
7331
7332         PR target/15384
7333         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
7334         configuration part of dp-bit.c to be lost.
7335
7336 2005-01-28  Roger Sayle  <roger@eyesopen.com>
7337
7338         * expmed.c (expand_mult_highpart_optab): When attempting to use
7339         a non-widening multiplication in a wider mode, the operands need
7340         to be converted (zero or sign extended) to that mode.
7341
7342 2005-01-28  Ian Lance Taylor  <ian@airs.com>
7343
7344         PR middle-end/16558
7345         PR middle-end/19583
7346         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
7347         through if both operands fall through.
7348
7349 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7350
7351         * cse.c (fold_rtx) <PC>: Don't optimize.
7352
7353 2005-01-28  Jeff Law  <law@redhat.com>
7354
7355         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
7356         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
7357
7358 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7359
7360         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
7361         cse_reg_info_used_list_end): Remove.
7362         (cse_reg_info_list, cse_reg_info_list_free): New.
7363         (get_cse_reg_info): When allocating an instance of
7364         cse_reg_info, add it to the beginning of the cse_reg_info_list
7365         list.  Remove code to maintain cse_reg_info_used_list.
7366         (new_basic_block): Reset the free list to the beginning of
7367         cse_reg_info_list.
7368
7369 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
7370
7371         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
7372         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
7373         (frv_expand_mdpackh_builtin): New function.
7374         (frv_expand_builtin): Use it to expand __MDPACKH.
7375         * doc/extend.texi (__MDPACKH): Update documentation.
7376
7377 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
7378
7379         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
7380         SSE_FLOAT_MODE_P for use_sse computation.
7381
7382 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
7383
7384         PR target/19663
7385         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
7386
7387 2005-01-27  Richard Henderson  <rth@redhat.com>
7388
7389         * builtins.c (expand_builtin_copysign): New.
7390         (expand_builtin): Call it.
7391         * genopinit.c (optabs): Add copysign_optab.
7392         * optabs.c (init_optabs): Initialize it.
7393         (expand_copysign): New.
7394         * optabs.h (OTI_copysign, copysign_optab): New.
7395         (expand_copysign): Declare.
7396
7397         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
7398         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
7399
7400         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
7401         (ix86_expand_fp_absneg_operator): ... here.
7402         (ix86_split_copysign): New.
7403         * config/i386/i386-protos.h: Update.
7404         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
7405         (copysignsf3, copysigndf3): New.
7406
7407         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
7408         (copysignsf3, ncopysignsf3): New.
7409         (copysigndf3, ncopysigndf3): New.
7410         (copysignxf3, ncopysignxf3): New.
7411         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
7412
7413 2005-01-27  Arend Bayer  <arend.bayer@web.de>
7414             Kazu Hirata  <kazu@cs.umass.edu>
7415
7416         * cse.c: (find_best_addr): Don't call copy_rtx before calling
7417         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
7418         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
7419         NULL_RTX.
7420
7421 2005-01-27  Jeff Law  <law@redhat.com>
7422
7423         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
7424         definitions of SSA_NAMEs which are not being rewritten.
7425         (rewrite_ssa_into_ssa): Only initialize the current definition
7426         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
7427         If checking is enabled, assert that SSA_NAME_AUX is clear for all
7428         SSA_NAMEs before returning.
7429
7430 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
7431
7432         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
7433         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
7434         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
7435         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
7436         config/mips/iris6.h, config/sh/sh.c: Update copyright.
7437
7438 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7439
7440         PR middle-end/17278
7441         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
7442         higher to -O2 and higher.  Likewise for tree PRE.
7443         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
7444         and better.
7445
7446 2005-01-27  Ian Lance Taylor  <ian@airs.com>
7447
7448         PR middle-end/19583
7449         * gimple-low.c (try_catch_may_fallthru): New static function.
7450         (block_may_fallthru): Handle TRY_CATCH_EXPR.
7451         * tree-inline.c (expand_call_inline): Don't warn about reaching
7452         the end of a non-void function being inlined if the function uses
7453         a return slot.
7454
7455 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
7456
7457         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
7458
7459         PR c/18946
7460         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
7461         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
7462         (implicitly_declare): Handle error_mark_node.
7463
7464 2005-01-27  Richard Henderson  <rth@redhat.com>
7465
7466         PR tree-opt/14329
7467         * tree.h (struct tree_decl): Add debug_expr_is_from.
7468         (DECL_DEBUG_EXPR_IS_FROM): New.
7469         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
7470         * dwarf2out.c (dwarf2out_var_location): Update to match.
7471         * tree-outof-ssa.c (create_temp): Likewise.
7472         * var-tracking.c (track_expr_p): Likewise.
7473         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
7474         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
7475         * toplev.c (default_tree_printer): Likewise.
7476
7477 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
7478
7479         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
7480         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
7481
7482 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7483
7484         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
7485         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
7486         ASM_CLOBBERS): Add tree checks.
7487
7488         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
7489         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
7490         * c-common.def (SWITCH_STMT): Update to match.
7491         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
7492         macros instead of SWITCH_EXPR ones.
7493         * c-dump.c (c_dump_tree): Likewise.
7494         * c-gimplify.c (gimplify_switch_stmt): Likewise.
7495         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
7496
7497         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
7498
7499 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
7500
7501         * unwind-dw2.c (execute_stack_op): Add missing cases for
7502         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
7503
7504 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
7505
7506         * config.gcc (Obsolete configurations): Remove 'dummy', add
7507         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
7508         sparc-*-openbsd*.
7509
7510 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
7511
7512         PR tree-optimization/19633
7513         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
7514         CALL_EXPRs.
7515         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
7516         are no call-clobbered variables.
7517         * tree-outof-ssa.c (check_replaceable): Return false for calls
7518         with side-effects.
7519
7520 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
7521
7522         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
7523         even for variables with NULL DECL_INITIAL.
7524
7525 2005-01-26  Stuart Hastings  <stuart@apple.com>
7526
7527         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
7528
7529 2005-01-26  Richard Henderson  <rth@redhat.com>
7530
7531         PR middle-end/18008
7532         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7533         field's type.
7534         * expr.c (store_field): Strip conversions to odd-bit-sized types
7535         if the destination field width matches.
7536
7537 2005-01-26  Richard Henderson  <rth@redhat.com>
7538
7539         * c-decl.c, expmed.c, expr.c: Revert last change.
7540
7541 2005-01-26  Richard Henderson  <rth@redhat.com>
7542
7543         PR middle-end/18008
7544         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7545         field's type.
7546         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
7547         if we don't need the bits above those present in the current mode.
7548         * expr.c (store_field): Strip conversions to odd-bit-sized types
7549         if the destination field width matches.
7550
7551 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7552
7553         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7554         either -ffast-math or -funsafe-math-optimizations is in use.
7555
7556 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7557
7558         PR target/19293
7559         PR target/19329
7560         * config/avr/avr.c (notice_update_cc): Only set condition code for
7561         ashrqi3 if shift count > 0.
7562         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
7563         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
7564         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
7565         count <= 0 as a no-op, and shift count >= width by copying zero
7566         or sign bit to all bits of the result.
7567         * config/avr/avr.md (all shifts): Add alternatives for zero shift
7568         count, with attribute "length" set to 0 and "cc" set to "none".
7569
7570 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7571
7572         * doc/invoke.texi: Document -mTLS.
7573
7574         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
7575         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
7576         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
7577         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
7578         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
7579         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
7580         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
7581         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
7582
7583         * configure.ac: Check for a TLS capable gas.
7584
7585         * configure: Regenerate.
7586
7587 2005-01-26  Richard Henderson  <rth@redhat.com>
7588
7589         PR middle-end/18008
7590         * combine.c (make_field_assignment): Simplify store to zero_extract
7591         from a source with an overlapping mask.
7592
7593 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7594
7595         2004-11-11  Eric Christopher  <echristo@redhat.com>
7596
7597         * config/frv/frv.md: Add fr400_integer automaton. Don't
7598         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
7599         to TYPE_MACC.
7600
7601 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7602
7603         PR middle-end/16585
7604         * cfgbuild.c (make_edges): Do not clear or set
7605         current_function_has_computed_jump.
7606         * function.h (struct function): Remove the has_computed_jump field.
7607         (current_function_has_computed_jump): Do not define.
7608         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
7609         in a computed jump.  Ignore current_function_has_computed_jump.
7610
7611 2005-01-26  Richard Henderson  <rth@redhat.com>
7612
7613         PR middle-end/19515
7614         * expr.c (categorize_ctor_elements): New argument p_must_clear.
7615         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
7616         fully initialized.
7617         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
7618         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
7619         objects into static storage if they have more than one non-zero value.
7620         * tree.h (categorize_ctor_elements): Update decl.
7621
7622 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7623
7624         PR middle-end/19616
7625         * tree.h (CALL_EXPR_TAILCALL): Add comment.
7626         * calls.c (check_sibcall_argument_overlap_1): Revert the change
7627         to this function from 2004-07-10.
7628         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
7629         the current function for tail call optimizations if the address
7630         of one of it its arguments is taken.
7631
7632 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
7633
7634         * cse.c (fold_rtx): Call equiv_constant only when necessary.
7635
7636 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7637
7638         * function.c (expand_function_end): If current_function_calls_alloca,
7639         emit stack restore in a place that is reached when the function falls
7640         through at the end.
7641
7642 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
7643
7644         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
7645         rule to avoid matching inappropriate suffix rule.
7646
7647 2005-01-26  Jan Hubicka  <jh@suse.cz>
7648
7649         PR tree-optimization/19241
7650         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
7651
7652 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7653
7654         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
7655         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
7656         of doubling.
7657         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
7658         <sim*>: Always use crt1.o, regardless of N in simN.
7659         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7660         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
7661         (CRT_CALL_STATIC_FUNCTION): Remove.
7662         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
7663         use crt1.o, regardless of N in simN.
7664         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7665         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
7666         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
7667         case isystem setting.
7668         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
7669
7670 2005-01-25  Ian Lance Taylor  <ian@airs.com>
7671
7672         * gimple-low.c (block_may_fallthru): Correct handling of
7673         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
7674
7675 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7676
7677         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
7678         handlers to match indentation; nested under the mtune=* handler.
7679         Similar for mcpu= and march=.
7680
7681 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
7682
7683         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
7684         * config/mips/linux64.h (LIB_SPEC): Likewise.
7685         * config/mn10300/linux.h (LIB_SPEC): Likewise.
7686         * config/sh/linux.h (LIB_SPEC): Likewise.
7687
7688 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
7689
7690         * config/frv/frv.c (frv_legitimize_tls_address): New.
7691         (TARGET_HAVE_TLS): Define.
7692         (FRV_SYMBOL_REF_TLS_P): Define.
7693         (frv_override_options): Handle new register classes.
7694         (frv_legitimate_address_p): Reject tls addresses.
7695         (frv_legitimize_address): Handle TLS addresses.
7696         (gen_inlined_tls_plt): New.
7697         (gen_tlsmoff): New.
7698         (frv_legitimize_tls_address): New.
7699         (unspec_got_name): Add TLS entries.
7700         (got12_operand): Add R_FRV_TLSMOFF12 case.
7701         (frv_emit_move): Fixup TLS addresses.
7702         (frv_emit_movsi): Legitimize TLS addresses.
7703
7704         * config/frv/frv.h (MASK_BIG_TLS): New.
7705         (TARGET_BIG_TLS): New.
7706         (HAVE_AS_TLS): Define.
7707         (TARGET_SWITCHES): Add -mTLS and -mtls options.
7708         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
7709         (REG_CLASS_NAMES): Same.
7710         (REG_CLASS_CONTENTS): Same.
7711         (CONSTRAINT_LEN): New.
7712         (REG_CLASS_FROM_CONSTRAINT): New.
7713         (PREDICATE_CODES): Add symbolic_operand.
7714
7715         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
7716         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
7717         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
7718         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
7719         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
7720         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
7721         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
7722         GR9_REG, GR14_REG, LRREG.
7723         (type): Add load_or_call attribute.
7724         ("load_or_call"): New reservation.
7725         ("call_gettlsoff"): New.
7726         ("tls_indirect_call"): New.
7727         ("tls_load_gottlsoff12"): New.
7728         ("tlsoff_hilo"): New.
7729         ("tls_tlsdesc_ldd"): New.
7730         ("tls_tlsoff_ld"): New.
7731         ("tls_lddi"): New.
7732
7733         * config/frv/frv-protos.h (symbolic_operand): Protoize.
7734
7735         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
7736
7737         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
7738         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
7739         * config/frv/frv.c (TLS_BIAS): Define.
7740         (frv_output_dwarf_dtprel): New.
7741
7742 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
7743
7744         PR rtl-optimization/19579
7745         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
7746         both A and B, see if they don't clobber registers the other expr uses.
7747
7748 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
7749
7750         * real.c (do_add): Initialize signalling and canonical members.
7751
7752         * real.c (real_from_integer): Zero out destination.
7753
7754 2005-01-18  Jan Hubicka  <jh@suse.cz>
7755
7756         PR tree-optimize/19337
7757         * tree-inline.c (initialize_inlined_parameters): Copy
7758         saved_static_chain_decl only.
7759
7760 2005-01-25  Richard Henderson  <rth@redhat.com>
7761
7762         PR target/19556
7763         PR target/19584
7764         * config/i386/i386.c (x86_inter_unit_moves): Zero.
7765         (ix86_preferred_reload_class): Rewrite fp-constant section, with
7766         80387 enabled, to return a proper subclass.  Return the subset that
7767         overlaps with GENERAL_REGS for PLUS.
7768         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
7769
7770 2005-01-25  Richard Henderson  <rth@redhat.com>
7771
7772         PR middle-end/19609
7773         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
7774
7775 2005-01-25  Roger Sayle  <roger@eyesopen.com>
7776
7777         * expmed.c (choose_multiplier): Change interface to return the
7778         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
7779         (expand_divmod): Update calls to choose_multiplier.
7780
7781 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7782
7783         PR middle-end/19330
7784         * expmed.c (extract_bit_field): Use adjust_address instead of
7785         gen_lowpart when op0 is a MEM.
7786
7787 2005-01-24  Steven Bosscher  <stevenb@suse.de>
7788
7789         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
7790
7791 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7792
7793         * config/mips/irix-csr.c: New file.
7794         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7795         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7796         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7797         executables.
7798
7799 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
7800
7801         PR bootstrap/19364
7802         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
7803         sparc/elf.h, add sparc/sp-elf.h.
7804         (sparc-*-rtems*): Likewise.
7805         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
7806         tm-dwarf2.h, add sparc/sp-elf.h.
7807         (sparc86x-*-elf): Likewise.
7808         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
7809         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
7810         TARGET_OS_CPP_BUILTINS.
7811         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7812         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7813         Undefine it.
7814         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
7815         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
7816         (SWITCH_TAKES_ARG): Likewise.
7817         (LOCAL_LABEL_PREFIX): Likewise.
7818         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7819         (TARGET_N_FORMAT_TYPES): Delete.
7820         (TARGET_FORMAT_TYPES): Likewise.
7821         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7822         * config/sparc/elf.h: Delete.
7823         * config/sparc/sp-elf.h: New file.
7824
7825 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7826
7827         * tree-flow-inline.h (phi_arg_from_edge): Remove.
7828         * tree-flow.h: Remove the corresponding prototype.
7829         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
7830         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
7831
7832 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7833
7834         PR target/17751
7835         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
7836         for AIX ABI or ELF -fPIC.
7837         (rs6000_emit_load_toc_table): Don't create toc_section here.
7838         (rs6000_xcoff_file_start): Nor here.
7839
7840 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
7841
7842         * sh.c (ra.h): Don't #include.
7843         (hard_regs_intersect_p): New function, resurrected from ra.c.
7844
7845         * sh.c: Fix 1996 Copyright.
7846
7847 2005-01-24  Richard Henderson  <rth@redhat.com>
7848             Aldy Hernandez  <aldyh@redhat.com>
7849
7850         * regrename.c (note_sets): Handle subregs.
7851
7852 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
7853
7854         PR bootstrap/18058
7855         * genconditions.c (write_header, write_conditions): Elide file if
7856         not GCC >= 3.0.1.
7857
7858 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7859
7860         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
7861         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
7862         Update copyright.
7863
7864 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7865
7866         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
7867         expand_builtin_printf, expand_builtin_fprintf,
7868         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
7869         checking against POINTER_TYPE.
7870         (validate_arglist): Handle POINTER_TYPE code by checking
7871         POINTER_TYPE_P.
7872
7873 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
7874
7875         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
7876         init_rtlanal): New.
7877         (for_each_rtx): Call for_each_rtx_1.
7878         * rtl.h (init_rtlanal): Declare.
7879         * toplev.c (backend_init): Call init_rtlanal.
7880
7881 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7882
7883         * flow.c (propagate_one_insn): Formatting.
7884
7885         PR middle-end/19551
7886         * flow.c (libcall_dead_p): Be more conservative if unsure.
7887         If there are any instructions between insn and call, see if they are
7888         all dead before saying the libcall is dead.
7889
7890 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
7891
7892         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
7893         operand constraint for operand 0.
7894
7895 2005-01-23  Richard Henderson  <rth@redhat.com>
7896
7897         PR 19486
7898         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
7899         edges leading to join block.
7900
7901 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7902
7903         * expmed.c (expand_mult_highpart): Make static.  Change type of
7904         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
7905         (expand_divmod): Updates calls to expand_mult_highpart by using
7906         gen_int_mode to pass a CONST_INT rtx.
7907         * rtl.h (expand_mult_highpart): Remove prototype.
7908
7909 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7910
7911         * flow.c (regset_bytes, regset_size): Remove.
7912
7913         * cfganal.c: Fix a reference to Harvey's paper.
7914
7915 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7916
7917         PR rtl-optimization/19464
7918         * tree-optimize.c (init_tree_optimization_passes): Add one more
7919         copyrename pass just before out-of-ssa.
7920
7921 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
7922
7923         PR bootstrap/18058
7924         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
7925         * ggc-none.c (ggc_free): Define.
7926
7927 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7928
7929         * cse.c (max_reg, max_insn_uid): Remove.
7930         (cse_main): Don't access max_reg or max_insn_uid.
7931
7932         * c-common.c (explicit_flag_signed_bitfields,
7933         lang_statement_code_p, lang_expand_function_end): Remove.
7934         * c-common.h: Remove the corresponding declarations.
7935         * c-opts.c (c_common_handle_option): Remove all write access
7936         to explicit_flag_signed_bitfields.
7937
7938         * cgraph.c (cgraph_varpool_n_nodes): Remove.
7939         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
7940         * cgraph.h: Remove the corresponding declaration.
7941
7942         * gcse.c (null_pointer_info): Remove.
7943
7944 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7945             Eric Botcazou  <ebotcazou@libertysurf.fr>
7946
7947         * combine.c (simplify_logical): Only simplify logical expressions
7948         of the form ior(and(x,y),z) by the inverse distributive law if the
7949         result is cheaper than the original.
7950
7951 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7952
7953         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
7954         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
7955         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
7956         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
7957         config/freebsd-spec.h, config/arm/arm.h,
7958         config/h8300/h8300.md, config/i386/i386.md,
7959         config/i386/predicates.md, config/i386/sse.md,
7960         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
7961         config/vax/vax.md: Fix comment typos.  Follow spelling
7962         conventions.
7963
7964 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7965
7966         * gengtype.c (walk_type): Produce `not equal to' compares for loop
7967         tests, instead of `less than'.
7968
7969 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
7970
7971         * function.c (assign_parm_setup_block): When creating a new stack slot
7972         for a parameter, get its alignment from the parameter's DECL_ALIGN
7973         rather than the type's TYPE_ALIGN.  Make sure that the parameter
7974         is at least word aligned.
7975
7976 2005-01-22  Roger Sayle  <roger@eyesopen.com>
7977
7978         PR middle-end/19378
7979         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
7980
7981 2005-01-22  Richard Henderson  <rth@redhat.com>
7982
7983         PR target/19506
7984         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
7985         in both compare operands.
7986         (movdfcc_1_sse_max): Likewise.
7987         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
7988         (movdfcc_1_sse): Likewise.
7989         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
7990         scratch register as needed.
7991
7992 2005-01-22  Richard Henderson  <rth@redhat.com>
7993
7994         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
7995
7996         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
7997
7998 2005-01-22  Richard Henderson  <rth@redhat.com>
7999
8000         * genopinit.c (optabs): Use smin/smax for floating point too.
8001         * doc/md.texi: Update to match.  Clarify that floating point
8002         results are undefined for +0/-0 and NaN.
8003         * doc/rtl.texi: Likewise.
8004         * rtl.def (SMIN, SMAX): Likewise
8005         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8006
8007         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8008         leading 's' to the name.
8009         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8010         smaxxf3, sminxf3): Likewise.
8011         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8012         Likewise.
8013
8014 2005-01-22  Paul Brook  <paul@codesourcery.com>
8015
8016         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8017
8018 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8019
8020         * config/s390/s390.c (struct processor_costs): New fields
8021         dlgr, dlr, dr, dsgfr, dsgr.
8022         (z900_cost, z990_cost): Values for new fields.
8023         (s390_rtx_costs): New cases MEM und COMPARE in switch
8024         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8025         DIV, MOD, UDIV, UMOD.
8026
8027 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8028
8029         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8030         into the register being decremented.
8031         ("doloop_si31", "doloop_di"): Likewise.
8032         ("*doloop_si_long"): Adapt pattern.
8033
8034 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8035
8036         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8037         access registers.
8038         (CLASS_MAX_NREGS): Likewise.
8039
8040 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8041
8042         * doc/tree-ssa.texi (Statement Operands): Add example for new
8043         must-def macro. Note deprecation of old operands interface.
8044
8045 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8046
8047         PR tree-optimization/19484
8048         * tree-cfg.c (remove_fallthru_edge): New function.
8049         (cleanup_control_flow): Remove fallthru edges from calls that are
8050         now known not to return.
8051
8052 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8053
8054         Fix PR tree-optimization/19038
8055         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8056         copies with loop variant ones.
8057
8058 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8059
8060         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8061         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8062         config/alpha/alpha.md, config/alpha/predicates.md,
8063         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8064         config/sparc/sol2.h: Update copyright.
8065
8066         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8067         first label to see if it is a nonlocal label.
8068
8069 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8070             Andrew Pinski  <pinskia@physics.uc.edu>
8071
8072         PR target/19491
8073         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8074         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8075
8076 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8077
8078         * config/rs6000/rtems.h: Update copyright.
8079
8080 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8081
8082         PR target/19548
8083         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8084         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8085         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8086
8087 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8088
8089         PR c/18809
8090         * c-typeck.c (convert_arguments): Check for error_mark_node.
8091
8092 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8093
8094         PR tree-optimization/13000
8095         * tree-inline.c: Include "tree-flow.h".
8096         (expand_call_inline): If warn_return_type, warn if non-void inline
8097         function falls through.
8098         * tree-cfg.c (execute_warn_function_return): Don't warn about
8099         control reaching end if TREE_NO_WARNING is set.  Set
8100         TREE_NO_WARNING.
8101         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8102         has been lowered.
8103         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8104         branch if we don't need one.
8105         * c-typeck.c: Include "tree-flow.h"
8106         (c_finish_bc_stmt): Don't add a goto if the current statement
8107         list doesn't fall through to the current point.
8108
8109 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8110
8111         PR rtl-optimization/576
8112         * real.c (real_arithmetic): Change return type from void to bool
8113         to return an indication that the result may be inexact.
8114         * real.h (real_arithmeric): Update prototype.
8115         * fold-const.c (const_binop):  Don't constant fold floating
8116         point expressions when the user specifies -frounding-math and
8117         the result may depend upon the run-time rounding mode.
8118         (fold_convert_const_real_from_real): Clean-up.
8119         (fold_initializer): Ignore flag_rounding_math for initializers.
8120         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8121         constant fold FP operations with flag_rounding_math if the
8122         result may depend upon the run-time rounding mode.
8123
8124 2005-01-21  Tom Tromey  <tromey@redhat.com>
8125
8126         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8127
8128 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8129
8130         * tree-cfg.c: Fix comment typos.
8131
8132 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8133
8134         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8135         around the call to rest_of_handle_branch_target_load_optimize.
8136
8137 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8138
8139         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8140         (sparc64-*-openbsd*): Likewise.
8141         (sparclite-*-elf*): Include tm-dwarf2.h.
8142         (sparc86x-*-elf*): Likewise.
8143         (sparc64-*-elf*): Likewise.
8144         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8145         (DBX_DEBUGGING_INFO): Likewise.
8146         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8147         (PREFERRED_DEBUGGING_TYPE): Likewise.
8148         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8149         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8150         (PREFERRED_DEBUGGING_TYPE): Likewise.
8151         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8152         (PREFERRED_DEBUGGING_TYPE): Likewise.
8153         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8154
8155 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8156
8157         PR target/18701
8158         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8159
8160 2005-01-20  Paul Brook  <paul@codesourcery.com>
8161
8162         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8163
8164 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8165
8166         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8167         label is first in a sequence of labels.
8168
8169         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8170
8171 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8172             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8173
8174         * doc/sourcebuild.texi (Test Directives): New.
8175
8176 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8177
8178         * real.c (real_floor): Don't leave the result uninitialized when
8179         mode is VOIDMode, but return the unrounded intermediate value.
8180         (real_ceil): Likewise.
8181
8182 2005-01-20  Paul Brook  <paul@codesourcery.com>
8183
8184         * config/arm/arm.md (insv): Use gen_int_mode.
8185
8186 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8187
8188         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8189         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8190         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8191         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8192         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8193
8194 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8195
8196         Fix PR debug/19124
8197         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8198         fbreg, so we have to assume we can't.
8199         (loc_descriptor_from_tree_1): Ditto.
8200         (containing_function_has_frame_base): New function.
8201         (add_location_or_const_value_attribute): Use it.
8202         Also try to generate a frame_base from a single element location
8203         list.
8204
8205 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8206
8207         PR tree-optimization/15349
8208         * timevar.def (TV_TREE_MERGE_PHI): New.
8209         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8210         PHI_WANTED.
8211         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8212         calls to tree_forwarder_block_p.
8213         (remove_forwarder_block_with_phi, merge_phi_nodes,
8214         gate_merge_phi, pass_merge_phi): New.
8215         * tree-optimize.c (init_tree_optimization_passes): Add
8216         pass_merge_phi.
8217         * tree-pass.h: Add an extern for pass_merge_phi;
8218
8219 2005-01-20  Richard Henderson  <rth@redhat.com>
8220
8221         PR target/19418
8222         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8223         (_mm_castps_pd, _mm_castps_si128): New.
8224         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8225
8226 2005-01-20  Richard Henderson  <rth@redhat.com>
8227
8228         PR target/19530
8229         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8230         __builtin_ia32_vec_init_v2si.
8231         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8232         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8233         (ix86_init_mmx_sse_builtins): Create it.
8234         (ix86_expand_builtin): Expand it.
8235         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8236         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8237         (vec_extractv2si_0, vec_extractv2si_1): New.
8238
8239 2005-01-20  Richard Henderson  <rth@redhat.com>
8240
8241         PR target/16533
8242         * config/i386/i386.c (ix86_expand_push): New.
8243         * config/i386/mmx.md (push<MMXMODE>1): New.
8244         * config/i386/sse.md (push<SSEMODE>1): New.
8245         * config/i386/i386-protos.h: Update.
8246
8247 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8248
8249         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8250         copyright.
8251
8252 2005-01-20  Richard Henderson  <rth@redhat.com>
8253
8254         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8255         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8256
8257 2005-01-19  Richard Henderson  <rth@redhat.com>
8258
8259         PR target/19350
8260         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8261         to V4SFmode in SSE1 fallback load path.
8262
8263 2005-01-19  Richard Henderson  <rth@redhat.com>
8264
8265         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8266         in QImode expansion to ix86_expand_vector_set.
8267         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8268
8269 2005-01-19  Richard Henderson  <rth@redhat.com>
8270
8271         PR target/19511
8272         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8273         subclass of the input class.
8274         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8275         Always true for cross-SSE1 classes.  Rationalize conditionals.
8276         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8277         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8278         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8279         (movdi_2): Add MMX/SSE zeros.
8280         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8281         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8282         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8283         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8284         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8285         (zero_extendsidi2_rex64_1): Remove.
8286         (MOV0 peephole): Check GENERAL_REG_P.
8287
8288 2005-01-19  Richard Henderson  <rth@redhat.com>
8289
8290         PR target/19427
8291         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8292         shufps elements.
8293         (ix86_expand_vector_extract): Likewise.
8294
8295 2005-01-19  Richard Henderson  <rth@redhat.com>
8296
8297         PR middle-end/19304
8298         * expr.c (emit_move_change_mode): New argument force; use
8299         simplify_gen_subreg if true.
8300         (emit_move_via_alt_mode): Merge into ...
8301         (emit_move_via_integer): ... here.
8302         (emit_move_ccmode): Use emit_move_change_mode directly.
8303
8304 2005-01-19  Richard Henderson  <rth@redhat.com>
8305
8306         PR target/19518
8307         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
8308         (alpha_preferred_reload_class): Handle CONST_VECTOR.
8309         (alpha_emit_set_const_1): Add no_output parameter; don't emit
8310         rtl if true.
8311         (alpha_emit_set_const): Likewise.  Make static.
8312         (alpha_emit_set_long_const): Make static.
8313         (alpha_extract_integer): Split out from alpha_expand_mov.
8314         (alpha_split_const_mov): Likewise.
8315         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
8316         (alpha_legitimate_constant_p): New.
8317         * config/alpha/alpha-protos.h: Update.
8318         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
8319         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
8320         * config/alpha/alpha.md (movsi): Add n alternative.
8321         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
8322         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
8323         (splitters for all of the above): Use alpha_split_const_mov.
8324         * config/alpha/predicates.md (non_add_const_operand): New.
8325         (non_zero_const_operand): New.
8326         (input_operand): Use alpha_legitimate_constant_p after reload.
8327
8328 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8329
8330         PR tree-optimization/19038
8331         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
8332         (add_candidate): Add ivs with increment in latch only if
8333         allow_ip_end_pos_p is true.
8334         (determine_iv_cost): Use empty_block_p.
8335
8336 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
8337
8338         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
8339         (compute_dominance_frontiers): Ditto.
8340
8341 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
8342
8343         PR target/19529
8344         * config/sh/t-rtems: New.
8345         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
8346
8347 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8348
8349         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
8350         the offset of the selected field.
8351
8352 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
8353
8354         * tree-cfg.c (remove_forwarder_block): Fix the check to
8355         prevent a nonlocal label from appearing in the middle of a
8356         basic block.
8357
8358 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
8359
8360         PR rtl-optimization/19462
8361         * reorg.c (find_end_label): Create return insn only if
8362         current_function_epilogue_delay_list is empty.
8363
8364 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
8365
8366         * doc/passes.texi: Remove paragraph mentioning new-ra.
8367
8368 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
8369
8370         PR rtl-optimization/15139
8371         * combine.c: Include params.h.
8372         (count_rtxs): New function.
8373         (record_value_for_reg): If replace_rtx would replace at least
8374         2 occurrences of REG in VALUE and TEM is really large, replace REG with
8375         (clobber (const_int 0)) instead of TEM.
8376         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
8377         * params.h (MAX_LAST_VALUE_RTL): New.
8378         * Makefile.in (combine.o): Depend on $(PARAMS_H).
8379         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
8380
8381         PR c/17297
8382         * c-typeck.c (digest_init): Only call build_vector if all constructor
8383         elements are *_CST nodes.
8384         * gimplify.c (gimplify_init_constructor): Likewise.
8385
8386         PR middle-end/19164
8387         * c-typeck.c (digest_init): Only call build_vector if inside_init
8388         is a CONSTRUCTOR.
8389
8390 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8391
8392         * toplev.c (init_asm_output): Remove dead #ifdef.
8393
8394 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8395
8396         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
8397
8398 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8399
8400         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
8401         accessing DECL_FUNCTION_CODE.
8402         * dojump.c (do_jump): Likewise.
8403         * gimplify.c (gimplify_call_expr): Likewise.
8404         * predict.c (expr_expected_value): Likewise.
8405         (strip_builtin_expect): Likewise.
8406         * tree-inline.c (estimate_num_insns_1): Likewise.
8407         * tree-ssa-loop-im.c (stmt_cost): Likewise
8408         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
8409         (tree_expr_nonnegative_p): Likewise.
8410
8411 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8412
8413         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
8414         variant of the load_pcrel_sym pattern.
8415         * config/sparc/sparc.md (P macro): Move to the top.
8416         (load_pcrel_sym): Macroize using P.
8417         (save_register_window): Likewise.
8418
8419 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
8420
8421         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
8422         ("sordered"): Same.
8423
8424 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
8425
8426         PR C/19472
8427         * c-typeck.c (build_asm_expr): Strip nops off
8428         input memory operands.
8429
8430 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
8431
8432         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
8433         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
8434         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
8435         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
8436
8437 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
8438
8439         PR target/19379
8440         * config/i386/i386.c (override_options): If the 80387 is disabled,
8441         then do not return FP values using FP registers.
8442
8443 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
8444
8445         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
8446         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
8447         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
8448         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
8449         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
8450         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
8451         output.h, postreload-gcse.c, postreload.c, recog.c,
8452         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
8453         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
8454         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
8455         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
8456         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
8457         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
8458         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
8459         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
8460
8461         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
8462         config/alpha/alpha.c, config/arm/vfp.md,
8463         config/i386/emmintrin.h, config/i386/i386-modes.def,
8464         config/i386/i386-protos.h, config/i386/i386.h,
8465         config/i386/pmmintrin.h, config/i386/ppro.md,
8466         config/i386/predicates.md, config/i386/xmmintrin.h,
8467         config/i860/i860.c, config/ia64/ia64-modes.def,
8468         config/ia64/ia64-protos.h, config/ia64/ia64.h,
8469         config/ia64/ia64.md, config/ia64/itanium1.md,
8470         config/ia64/itanium2.md, config/ia64/predicates.md,
8471         config/iq2000/iq2000.h, config/mips/linux64.h,
8472         config/rs6000/aix41.h, config/rs6000/aix43.h,
8473         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
8474         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8475         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
8476         config/sparc/linux64.h, config/sparc/litecoff.h,
8477         config/sparc/sp64-elf.h, config/sparc/sparc.c,
8478         config/sparc/sparc.h, config/sparc/sparc.md,
8479         config/sparc/sysv4-only.h: Update copyright.
8480
8481 2005-01-18  Richard Henderson  <rth@redhat.com>
8482
8483         PR target/19496
8484         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
8485
8486 2005-01-18  Marc Espie  <espie@openbsd.org>
8487         * config/i386/openbsdelf.h: Typo.
8488
8489 2005-01-18  Richard Henderson  <rth@redhat.com>
8490
8491         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
8492         special case for sse.
8493         * config/i386/predicates.md (sse_comparison_operator): Likewise.
8494
8495 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
8496
8497         * tree-inline.c (estimate_num_insns_1): Added cases for
8498         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
8499
8500 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8501
8502         PR rtl-optimization/19296
8503         * combine.c (simplify_comparison): Rewrite the condition under
8504         which a non-paradoxical SUBREG of a PLUS can be lifted when
8505         compared against a constant.
8506
8507 2005-01-18  Andi Kleen <ak@muc.de>
8508
8509         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
8510         * c.opt (-Wpointer-sign): Add.
8511         * doc/invoke.texi: (-Wpointer-sign): Add.
8512
8513 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8514
8515         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
8516         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
8517         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
8518         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
8519         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
8520         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
8521         for TARGET_MIX_SSE_I387.
8522         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
8523         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
8524         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
8525         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
8526         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
8527         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
8528         TARGET_MIX_SSE_I387.
8529         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
8530         from expander.
8531
8532 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8533
8534         PR target/19424
8535         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
8536         Add movaps alternative for xmm reg->reg move.
8537
8538 2005-01-17  Jeff Law  <law@redhat.com>
8539
8540         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
8541         at the end of the main DOM loop rather than just before DOM exits.
8542
8543 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
8544
8545         PR tree-optimization/19121
8546         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
8547         adding aliases to a name tag, also add them to the pointer's
8548         type tag.
8549         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
8550         sensitive alias info at all.  Only check that the two pointers
8551         have compatible pointed-to sets.
8552         * tree-ssa.c (verify_name_tags): Verify that the alias set of
8553         a pointer's type tag is a superset of the alias set of the
8554         pointer's name tag.
8555
8556 2005-01-17  James E Wilson  <wilson@specifixinc.com>
8557
8558         PR target/19357
8559         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
8560         comment to document why.
8561
8562 2005-01-17  Richard Henderson  <rth@redhat.com>
8563
8564         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
8565         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
8566         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
8567         sse2_vmsminv2df3_finite): New.
8568         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
8569         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
8570         Force op1 into register.
8571
8572 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
8573
8574         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
8575         bubblestrap from always rebuilding build directory.
8576
8577 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
8578
8579         * config/s390/s390.md ("*clc"): Remove incorrect '='.
8580         ("*cmpmem_short"): Likewise.
8581
8582 2005-01-17  Steven Bosscher  <stevenb@suse.de>
8583
8584         * basic-block.h: Document BB_* flags.
8585         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
8586         use an sbitmap instead.
8587         * sched-rgn.c (compute_trg_info): Likewise.
8588
8589 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
8590
8591         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
8592         redundant target_cpu_default and extra_parts lines.  Use the default
8593         "from-abi" ISA.
8594         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
8595         (SUBTARGET_EXTRA_SPECS): Delete.
8596         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
8597         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
8598         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
8599         and "n32" for -mabi=n32.
8600
8601 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8602
8603         PR c/5675
8604         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
8605         fold constant variables into initial values.
8606
8607 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8608
8609         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
8610
8611         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
8612         through the statements backward.
8613
8614 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8615
8616         PR middle-end/13127:
8617         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
8618         a variable set to the return value of the inlined function.
8619
8620 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
8621
8622         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
8623         when modes are tieable.
8624
8625 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
8626
8627         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
8628         of pthread_create to find out if threads are enabled.
8629         * gthr-posix95.h (__gthread_active_p): Likewise.
8630
8631 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
8632
8633         * common.opt (-fnew-ra): Remove.
8634         * ra*.*: Remove.
8635         * toplev.h (flag_new_regalloc): Remove.
8636         * Makefile.in (ra*.*): Don't mention.
8637         * passes.c (rest_of_handle_new_regalloc): Remove.
8638         (rest_of_handle_combine, rest_of_compilation): Always consider
8639         flag_new_regalloc as false.
8640         * doc/invoke.texi: Don't document -fnew-ra.
8641
8642 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
8643
8644         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
8645         last parameter to reg_scan.
8646         * loop.c (loop_optimize): Likewise.
8647         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
8648         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
8649         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8650         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8651         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
8652         * regclass.c (reg_scan): Likewise, for the declaration.
8653         * rtl.h (reg_scan): Likewise, for the prototype.
8654
8655 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8656
8657         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
8658         mark_dfs_back_edges.
8659
8660 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
8661
8662         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
8663         (compute_avail): Uses don't go in tmp_gen.
8664
8665 2005-01-16  Steven Bosscher  <stevenb@suse.de>
8666
8667         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
8668         loop to look for a free slot in a page entry.
8669
8670 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8671
8672         PR target/16304
8673         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
8674         * toplev.c (compile_file): Call process_pending_assemble_output_defs
8675         just before targetm.asm_out.file_end.
8676         * tree.h (process_pending_assemble_output_defs): Declare.
8677         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
8678         New functions.
8679         (assemble_alias): Defer generation of assembly code for defines when
8680         TARGET_DEFERRED_OUTPUT_DEFS is true.
8681         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8682         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8683         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
8684
8685 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8686
8687         PR target/19336
8688         * pa.c (pa_scalar_mode_supported_p): New function.
8689         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8690         * pa.h (MIN_UNITS_PER_WORD): Add comment.
8691
8692         * pa-protos.h (prefetch_operand): Delete.
8693         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
8694         * pa.c (prefetch_operand): Delete.
8695         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
8696         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
8697         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
8698         and prefetch_nocc_operand.
8699         * pa.md (prefetch): Rework to avoid reload problems handling short
8700         displacements when a cache control completer needs to be provided.
8701         (prefetch_32, prefetch_64): Delete.
8702         (prefetch_cc, prefetch_nocc): New patterns.
8703
8704 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
8705
8706         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
8707
8708 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8709
8710         PR ada/19388
8711         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
8712         exceeds maximum alignment for global common data.
8713         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
8714         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
8715
8716 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8717
8718         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
8719
8720 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8721
8722         * harg-reg-set.h (reg_class_names): Prototype global array.
8723         * regclass.c (reg_class_names): Declare here and initialize to
8724         REG_CLASS_NAMES.
8725         (dump_regclass): Remove local declaration of reg_class_names.
8726         (regclass): Likewise.
8727         * cfg.c (dump_flow_info): Likewise.
8728         * ra-debug.c (reg_class_names): Likewise.
8729         * regrename.c (reg_class_names): Likewise.
8730         * reload.c (reg_class_names): Likewise.
8731         * reload1.c (spill_failure): Likewise.
8732         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
8733
8734 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
8735
8736         * config/s390/s390.md ("reload_outti"): Remove predicate for
8737         output operand.  Abort if operand is not a MEM.
8738         ("reload_outdi", "reload_outdf"): Likewise.
8739
8740 2005-01-15  Marc Espie  <espie@openbsd.org>
8741
8742         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
8743         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
8744         * config/openbsd.h:  Fix C++ includes for native configurations.
8745         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
8746         Add trampoline support.
8747         * config/i386/openbsdelf.h: New.
8748
8749 2005-01-15  Marc Espie  <espie@openbsd.org>
8750
8751         * collect2.c (main): Explicitly parse -dynamic-linker option.
8752
8753 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
8754
8755         PR tree-optimization/19060
8756         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
8757         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
8758         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
8759         and handle extract_range_from_cond returning false.
8760         * fold-const.c (fold): Optimize comparisons with min/max even for
8761         width > HOST_BITS_PER_WIDE_INT.
8762
8763 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
8764
8765         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
8766         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
8767         Remove little endian multilib variants.
8768         Add mips32 multilib variant.
8769
8770 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
8771
8772         * explow.c (copy_all_reg, stabilize): Remove.
8773         * expr.h: Remove the corresponding prototypes.
8774
8775         * rtlanal.c (regs_set_between_p): Remove.
8776         * rtl.h: Remove the corresponding prototype.
8777
8778 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
8779
8780         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
8781         to rs6000_nonimmediate_operand.
8782         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
8783         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
8784         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
8785         rs6000_nonimmediate_operand.
8786         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
8787         rs6000_nonimmediate_operand.
8788
8789 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
8790
8791         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
8792
8793 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8794
8795         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
8796         on e500v2.
8797         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
8798         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
8799
8800         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
8801         (rs6k_nonimmediate_operand): New.
8802         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
8803         correctly.
8804         (legitimate_lo_sum_address_p): Same.
8805         (rs6000_legitimize_address): Same.
8806         (rs6000_legitimize_reload_address): Same.
8807         (rs6000_legitimate_address): Same.
8808         (spe_build_register_parallel): Pass DF and DC modes in a DI
8809         register.
8810
8811         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
8812         to rs6k_nonimmediate_operand.
8813
8814         * config/rs6000/spe.md ("*frob_df_di"): New.
8815         ("*frob_di_df"): New.
8816         ("*frob_di_df_2"): New.
8817         ("*mov_sidf_e500_subreg0"): New.
8818         ("*mov_sidf_e500_subreg4"): New.
8819         ("*movdf_e500_double"): Change predicate to
8820         rs6k_nonimmediate_operand.
8821
8822 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8823
8824         * postreload.c (move2add_note_store): Only call
8825         trunc_int_for_mode on scalar integers.
8826
8827 2005-01-14  Steven Bosscher  <stevenb@suse.de>
8828
8829         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
8830         replace BB_VISITED uses.
8831         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
8832         (propagate_necessity): Check the bitmap instead of BB_VISITED.
8833         (tree_dce_done): Free visited_control_parents.
8834         (perform_tree_ssa_dce): Allocate and clear it.
8835         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
8836         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
8837         instead of BB_VISITED.
8838
8839 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
8840
8841         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
8842         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
8843         Remove unused prototypes.
8844
8845 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8846
8847         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
8848         64-bit register usage.
8849         (spe_func_has_64bit_regs_p): Add FIXME note.
8850
8851 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8852
8853         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
8854         flag_finite_math_only with flag_unsafe_math_optimizations.
8855
8856 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
8857
8858         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
8859         end-of-stack check.
8860         (__tpf_eh_return): Copy TPF private stack area from the module
8861         boundary stack frame.  Add check for when module addresses are
8862         equal, but no stub address is found.
8863
8864 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
8865
8866         PR target/7525
8867         * arm.h (struct machine_function): Add call_via field.
8868         (thumb_call_via_label): Declare.
8869         * arm.c (thumb_call_via_label): New variable.
8870         (thumb_call_reg_needed): New variable.
8871         (arm_output_function_epilogue): For Thumb code, output any per-function
8872         call-indirect trampolines.
8873         (thumb_call_via_reg): New function.
8874         (arm_file_end): New function.
8875         (TARGET_ASM_FILE_END): Call arm_file_end.
8876         (aof_file_end): Likewise.
8877         * arm-protos.h (thumb_call_via_reg): Declare.
8878         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
8879         thumb_call_via_reg in normal case.
8880
8881 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
8882
8883         PR middle-end/19084
8884         PR rtl-optimization/19348
8885         * recog.c (peephole2_optimize): Do global life update if some peephole
8886         decides it doesn't need at least one of its inputs and that change
8887         influences liveness at the start of the basic block.
8888
8889         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
8890         arguments instead of 1.
8891
8892 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
8893
8894         PR middle-end/18820
8895         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
8896         zero for nested functions needing a static chain or functions
8897         with a non-constant address.
8898
8899 2005-01-13  Roger Sayle  <roger@eyesopen.com>
8900
8901         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
8902         (and (sign_extend X) C) into (zero_extend (and X C)).
8903
8904 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
8905
8906         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
8907
8908 2005-01-13  Richard Henderson  <rth@redhat.com>
8909
8910         PR target/19009
8911         PR target/19250
8912         PR target/19252
8913         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
8914         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
8915         not just TARGET_SSE.
8916         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
8917         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
8918         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
8919         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
8920         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
8921         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
8922         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
8923         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
8924         (movdicc_c_rex64): Rename with '*'.
8925         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
8926         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
8927         (movsfcc_1_387): Rename from movsfcc_1.
8928         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
8929         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
8930         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
8931         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
8932         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
8933         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
8934         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
8935         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
8936         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
8937         sse_movdfcc_const0_4): Remove.
8938         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
8939         recognize min/max early.  Update for changed sse cmove patterns.
8940         (ix86_split_sse_movcc): New.
8941         * config/i386/i386-protos.h: Update.
8942
8943 2005-01-13  Steven Bosscher  <stevenb@suse.de>
8944
8945         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
8946         (fix_stmt_v_may_defs): Likewise.
8947
8948 2005-01-13  Richard Henderson  <rth@redhat.com>
8949
8950         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
8951         for converting the mask.
8952
8953 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
8954
8955         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
8956         definition to 600.
8957
8958 2005-01-13  Richard Henderson  <rth@redhat.com>
8959
8960         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
8961         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
8962         IX86_BUILTIN_MOVDQ2Q): Remove.
8963         (IX86_BUILTIN_VEC_EXT_V4SI): New.
8964         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
8965         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
8966         shuffling.
8967         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
8968         (sse2_pextrw): Fix immediate constraint.
8969         (sse2_loadq, sse2_loadq_rex64): Remove.
8970         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
8971         Use __builtin_ia32_vec_ext_<size>.
8972         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
8973
8974 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
8975
8976         * function.c (assign_parm_setup_block): Look inside original
8977         entry_parm when inspecting PARALLEL.
8978
8979 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
8980             Joel Sherrill  <joel@oarcorp.com>
8981
8982         PR target/19399
8983         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
8984         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
8985         rtems_gxx_recursive_mutex_init.
8986         (__gthread_recursive_mutex_lock): New function.
8987         (__gthread_recursive_mutex_trylock): Likewise.
8988         (__gthread_recursive_mutex_unlock): Likewise.
8989
8990 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
8991
8992         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
8993
8994 2005-01-13  Jan Beulich  <jbeulich@novell.com>
8995
8996         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
8997         (ashrti3_internal): Indicate output is early clobber. Generate result
8998         into output rather than first input. Use move for low word of output
8999         if shift count is exactly 64.
9000         (lshrti3_internal): Likewise.
9001
9002 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9003
9004         PR target/18329
9005         PR target/18330
9006         * reload1.c (delete_output_reload): Don't delete an output reload
9007         if the pseudo lives longer than a single basic block.  Adjust and
9008         improve wording of comment.
9009
9010 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9011
9012         PR target/19334
9013         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9014         of TYPE_SIZE where we mean the number of bytes.
9015
9016 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9017
9018         * function.c (assign_parm_setup_block): Relax condition on
9019         multi-register optimization.
9020
9021 2005-01-12  Nick Clifton  <nickc@redhat.com>
9022
9023         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9024         an "in_delay_slot" attribute of "no" to prevent them being used in
9025         delay slots.  This is forbidden because they might generate
9026         exceptions.
9027
9028 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9029
9030         PR target/19389
9031         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9032         with r->Y and Y->r.
9033
9034 2005-01-12  Nick Clifton  <nickc@redhat.com>
9035
9036         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9037         passed on to GAS) but do not define, as GAS no longer supports or
9038         needs the -m2000 option.
9039
9040 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9041
9042         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9043         type as args of unprototyped builtins aren't automatically promoted.
9044         (fold_builtin_abs): Likewise.
9045
9046 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9047
9048         * Makefile.in: Set a `build-warn' variable.
9049
9050 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9051
9052         PR tree-optimization/17949
9053         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9054         (find_interesting_uses_address): Use it.
9055
9056 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9057
9058         * regrename.c (kill_value): Handle subreg's that won't simplify.
9059
9060 2005-01-11  Richard Henderson  <rth@redhat.com>
9061
9062         PR target/13366
9063         * config/i386/i386.h (enum ix86_builtins): Move ...
9064         * config/i386/i386.c: ... here.
9065         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9066         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9067         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9068         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9069         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9070         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9071         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9072         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9073         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9074         IX86_BUILTIN_LOADDDUP): Remove.
9075         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9076         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9077         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9078         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9079         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9080         (ix86_init_builtins): Make static.
9081         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9082         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9083         if all the modes match.  Otherwise, fake it.
9084         (get_element_number, ix86_expand_vec_init_builtin,
9085         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9086         (ix86_expand_builtin): Make static.  Update for changed builtins.
9087         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9088         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9089         (ix86_expand_vector_init_duplicate): New.
9090         (ix86_expand_vector_init_low_nonzero): New.
9091         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9092         Split out from ix86_expand_vector_init; handle integer modes.
9093         (ix86_expand_vector_init): Use them.
9094         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9095         * config/i386/i386-protos.h: Update.
9096         * config/i386/predicates.md (reg_or_0_operand): New.
9097         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9098         (movv2sf_internal): Likewise.  And a splitter to match them all.
9099         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9100         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9101         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9102         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9103         (mmx_pinsrw): Fix operand ordering.
9104         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9105         rather than sse_loadss expander.
9106         (movv2df splitter): Similarly.
9107         (sse_loadss, sse_loadlss): Remove.
9108         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9109         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9110         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9111         (sse3_movddup): Rename with '*'.
9112         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9113         (sse2_loadsd): Remove.
9114         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9115         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9116         (sse2_pinsrw): Fix argument ordering.
9117         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9118         (sse2_stored): Remove 'r' destination.
9119         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9120         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9121         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9122         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9123         vec_extractv16qi, vec_initv16qi): New.
9124
9125         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9126         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9127         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9128         constructor form.
9129         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9130         (_mm_load_si128, _mm_store_si128): Likewise.
9131         (_mm_load1_pd): Use _mm_set1_pd.
9132         (_mm_load_sd): Use _mm_set_sd.
9133         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9134         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9135         (_mm_set_epi64): Use _mm_set_epi64x.
9136         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9137         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9138         _mm_setr_epi8): Use _mm_set_foo form.
9139         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9140         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9141         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9142         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9143         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9144         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9145         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9146         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9147         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9148         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9149         (_mm_movedup_pd): Use _mm_shuffle_pd.
9150         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9151         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9152         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9153         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9154         Use _mm_setzero_ps.
9155         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9156         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9157         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9158         (_mm_store_ps): Use raw dereference.
9159         (_mm_store1_ps): Use _mm_storeu_ps.
9160         (_mm_storer_ps): Use _mm_store_ps.
9161         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9162         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9163
9164 2005-01-11  Stan Shebs  <shebs@apple.com>
9165
9166         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9167         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9168
9169 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9170
9171         PR target/18761
9172         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9173         Skip all DECLs except for FIELD_DECLs.
9174
9175 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9176
9177         * config/s390/s390.c (override_options): Return error if
9178         -mbackchain, -mpacked-stack and -mhard-float are used together.
9179         (s390_va_start): Remove the backchain && packed-stack special case.
9180         (s390_gimplify_va_arg): Likewise.
9181         * doc/invoke.texi: Remove the ABI incompatibility note.
9182
9183 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9184
9185         * config/s390/s390.c (struct s390_frame_layout): Remove
9186         save_backchain_p.
9187         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9188         save_backchain_p with TARGET_BACKCHAIN.
9189
9190 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9191
9192         PR target/18916
9193         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9194         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9195         * function.c (locate_and_pad_parm): Set new field.
9196         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9197         Tweak where_pad test to include "none".  Always set mem align for
9198         stack_parm.
9199         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9200         not sufficient for type.
9201         (assign_parm_setup_block): If stack_parm is zero on entry, always
9202         make a new stack local.  Block move old stack parm if necessary
9203         to new aligned stack local.
9204         (assign_parm_setup_stack): Use a block move to handle
9205         potentially misaligned entry_parm.
9206         (assign_parms_unsplit_complex): Specify required alignment when
9207         creating stack local.
9208         * calls.c (compute_argument_addresses): Override alignment of stack
9209         arg calculated from its type with the alignment given by
9210         FUNCTION_ARG_BOUNDARY.
9211         (store_one_arg): Likewise.
9212
9213 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9214
9215         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9216         Change respective itanium_class attribute to ialu.
9217         (shladdp4_internal): New.
9218         * config/ia64/predicates.md (shladd_log2_operand): New.
9219
9220 2005-01-11  Richard Henderson  <rth@redhat.com>
9221
9222         * expr.c (store_constructor): Use rtvec_alloc instead of
9223         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9224
9225 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9226
9227         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9228
9229 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9230
9231         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9232         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9233         (TARGET_RWRELOC): Define.
9234         (ia64_rwreloc_section_type_flags): Delete.
9235         (ia64_section_type_flags): New function.
9236         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9237         (TARGET_RWRELOC): Define.
9238
9239 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9240
9241         PR target/18987
9242         * config/ia64/ia64.c (process_set): For alloc insn, only call
9243         process_epilogue is !frame_pointer_needed.
9244
9245 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9246
9247         PR c++/19355
9248         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9249         unary operator and can't be treated as a binary/comparison operator.
9250
9251 2005-01-10  Richard Henderson  <rth@redhat.com>
9252
9253         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9254         (ix86_return_in_memory): Likewise.
9255         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9256         for choosing register to advance.
9257
9258 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9259
9260         * tree-vectorizer.c, tree.def: Fix comment typos.
9261
9262 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9263
9264         * config/s390/s390.c (struct processor_costs): 4 new fields:
9265         ddbr, ddr, debr, der.
9266         (s390_rtx_costs): More precise handling of divide instructions.
9267
9268 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9269
9270         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9271
9272 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9273
9274         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9275         names resulting from -ffunction-sections/-fdata-sections and linkonce
9276         ones.
9277         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9278         based on the section name. Rearrange the section name comparison logic
9279         slightly so that each section name is compared against at most once.
9280
9281 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9282
9283         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9284         targets for which -fPIC reduces limitations on the GOT size.
9285
9286 2005-01-09  Falk Hueffner  <falk@debian.org>
9287
9288         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9289         X/C1 cmpop C2.
9290
9291 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9292
9293         PR target/18720
9294         * collect2.c (main): Set aixrtl_flag for -brtl option.
9295         (resolve_lib_name): Search for .so file extension before .a
9296         if aixrtl_flag set.
9297
9298 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9299
9300         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9301         (vect_analyze_data_refs_alignment): Add dump prints.
9302
9303 2005-01-09  Ira Rosen  <irar@il.ibm.com>
9304
9305         * tree-vectorizer.c (vect_analyze_offset_expr): Use
9306         expr_invariant_in_loop_p.
9307         Initialize outputs first thing in the function.
9308         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
9309         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
9310         (vect_analyze_pointer_ref_access): Check that the initial condition of
9311         the access function is loop invariant.
9312
9313 2005-01-09  Richard Henderson  <rth@redhat.com>
9314
9315         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
9316         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
9317         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
9318         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
9319         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
9320         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
9321         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
9322         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
9323         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
9324         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9325         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9326         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
9327         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
9328         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
9329         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
9330         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
9331         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9332         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9333         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
9334         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
9335         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
9336         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
9337         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
9338         mmx_ prefix.
9339         (mmx_clrdi, pavgusb): Remove.
9340         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
9341         with leading sse_ prefix.
9342         * config/i386/sse.md: Receive them.
9343         * config/i386/mmx.md: New file.
9344         (MMXMODE12, MMXMODE24, mmxvecsize): New.
9345         (subrv2sf3): Turn into expander for normal subtraction.
9346         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
9347         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
9348         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
9349         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
9350         commutative; use ix86_binary_operator_ok.
9351         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
9352         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
9353         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
9354         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
9355         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
9356         Macroize from existing patterns; use ix86_binary_operator_ok.
9357         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
9358         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
9359         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
9360         with vec_select+vec_concat.
9361         (mmx_pshufw, mmx_pshufw_1): Likewise.
9362         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
9363         (mmx_uavgv4hi3): Model correctly.
9364         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
9365         _mm_xor_si64): Remove casts.
9366
9367 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
9368
9369         PR tree-optimization/19224
9370         * tree-scalar-evolution.c (get_instantiated_value,
9371         set_instantiated_value): New functions.
9372         (instantiate_parameters_1): Cache the results.
9373         (instantiate_parameters, resolve_mixers): Initialize and free
9374         the cache.
9375
9376 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
9377
9378         * config/i386/i386.md (addhi_4): Correct reference in comment.
9379         (addqi_4): Same.
9380
9381 2005-01-08  Richard Henderson  <rth@redhat.com>
9382
9383         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
9384         (_mm_cvtsi128_si64x): Likewise.
9385         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
9386         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
9387         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
9388         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
9389         * config/i386/i386-protos.h: Update.
9390         * config/i386/i386.c (print_operand): Add 'H'.
9391         (ix86_fixup_binary_operands): Split out from ...
9392         (ix86_expand_binary_operator): ... here.
9393         (ix86_fixup_binary_operands_no_copy): New.
9394         (ix86_expand_fp_absneg_operator): Handle vector mode results.
9395         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
9396         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
9397         (safe_vector_operand): Use CONST0_RTX.
9398         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
9399         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
9400         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
9401         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
9402         special cases.
9403         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
9404         (IX86_BUILTIN_CMPNGESS): New.
9405         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
9406         (attr type): Add sselog1.
9407         (attr unit, attr memory): Handle it.
9408         (movti, movti_internal, movti_rex64): Move near other integer moves.
9409         (movtf, movtf_internal): Move near other fp moves.
9410         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
9411         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
9412         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
9413         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
9414         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
9415         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
9416         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
9417         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
9418         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
9419         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
9420         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
9421         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
9422         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9423         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9424         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
9425         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
9426         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
9427         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
9428         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
9429         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
9430         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
9431         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
9432         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
9433         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
9434         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
9435         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
9436         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
9437         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
9438         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
9439         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
9440         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
9441         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
9442         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
9443         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
9444         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
9445         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
9446         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
9447         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
9448         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
9449         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
9450         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
9451         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
9452         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
9453         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
9454         same time.
9455         (SSEPUSH, push<SSEPUSH>): Remove.
9456         (MMXPUSH, push<MMXPUSH>): Remove.
9457         (sse_movaps, sse_movaps_1, sse_movups): Remove.
9458         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
9459         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
9460         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
9461         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
9462         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
9463         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
9464         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
9465         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
9466         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
9467         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
9468         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
9469         (ppro_sse_log_V4SF): Handle sselog1.
9470         * config/i386/predicates.md (const_0_to_1_operand): New.
9471         (const_0_to_255_mul_8_operand): New.
9472         (const_1_to_31_operand): Rename from const_int_1_31_operand.
9473         (const_2_to_3_operand, const_4_to_7_operand): New.
9474         * config/i386/sse.md: New file.
9475         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
9476         (sse_movups): Rename from sse_movups_1.
9477         (sse_loadlss): Rename from sse_loadss_1.
9478         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
9479         from the name.
9480         (negv4sf2): Use ix86_expand_fp_absneg_operator.
9481         (absv4sf2, negv2df, absv2df): New.
9482         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
9483         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
9484         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
9485         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
9486         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
9487         (sse3_addsubv4sf3): Model correctly.
9488         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
9489         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
9490         (sse_movhlps): Model with vec_select+vec_concat.
9491         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
9492         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
9493         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
9494         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
9495         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
9496         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
9497         sse2_pshufhw_1): Likewise.
9498         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
9499         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
9500         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
9501         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
9502         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
9503         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
9504         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
9505         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
9506         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
9507         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
9508         sminv8hi3): Mark commutative
9509         operands.  Use ix86_binary_operator_ok.
9510         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
9511         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
9512         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
9513         sse2_punpcklqdq): Allow operand2 in memory.
9514         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
9515         sse2_movsd): Add memory alternatives.
9516         (sse_storelps): Turn expander into an insn; split after reload.
9517         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
9518         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
9519
9520 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9521
9522         * configure.ac (DWARF-2 debug_line): Use objdump.
9523         * configure: Regenerate.
9524
9525 2005-01-08  Jeff Law  <law@redhat.com>
9526             Diego Novillo  <dnovillo@redhat.com>
9527
9528         PR tree-optimization/18241
9529         * tree-nrv.c (tree_nrv): Ignore volatile return values.
9530         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
9531         statements with volatile operands.
9532         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
9533         operands after marking a statement with has_volatile_ops.
9534
9535 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9536
9537         * tree.c (int_fits_type_p): Always honor integer constant
9538         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
9539
9540 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9541
9542         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
9543         the latent bug in rtl_delete_block has been resolved.
9544
9545 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9546
9547         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
9548         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
9549
9550 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9551
9552         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
9553         library as @multilib_dir@/$(SHLIB_SONAME).
9554
9555 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9556
9557         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
9558         * configure: Regenerate.
9559
9560 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9561
9562         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
9563         TYPE_MODE.
9564
9565 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
9566
9567         PR target/13674
9568         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9569         Convert non-word aligned offset address using ld/std into
9570         indirect address.
9571
9572 2005-01-07  Richard Henderson  <rth@redhat.com>
9573
9574         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
9575
9576 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
9577
9578         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
9579
9580 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9581
9582         PR tree-optimization/19283
9583         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
9584         is not shorter than the original type.
9585
9586         PR rtl-optimization/19012
9587         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
9588
9589         PR rtl-optimization/18861
9590         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
9591         (FULL_STATE): Define.
9592         (mark_tablejump_edge): New function.
9593         (purge_dead_tablejump_edges): New function.
9594         (find_bb_boundaries): Use it.
9595
9596         PR tree-optimization/18828
9597         * builtins.c (expand_builtin_next_arg): Remove argument and all
9598         the argument checking.
9599         (expand_builtin): Adjust caller.
9600         (expand_builtin_va_start): Likewise.  Remove error for too many
9601         arguments.
9602         (fold_builtin_next_arg): Issue error for too many arguments.
9603         After checking arguments, replace them with magic arguments that
9604         prevent further checking of the args.
9605
9606 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9607
9608         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
9609
9610 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9611
9612         PR target/6077
9613         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
9614         and %{.S:...} (and their negative variants) to test whether the
9615         input file is assembler or pre-processed-assembler independent of
9616         the actual filename extension.
9617
9618 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9619
9620         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
9621         of sign or zero extended values.
9622
9623 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
9624
9625         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
9626         for IBM long double format correctly.
9627
9628 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
9629
9630         Fix PR tree-optimization/18792
9631
9632         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
9633         to first_loop_depth, and use loop depth instead of loop number.
9634         (build_classic_dir_vector): Ditto.
9635         (compute_data_dependences_for_loop): Use depth, not loop number.
9636         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
9637         number. Pass in loops, instead of loop numbers.
9638         (gather_interchange_stats): Ditto.
9639         (linear_transform_loops): Ditto.
9640
9641 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
9642
9643         PR rtl-opt/13299
9644         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
9645         biv_fits_mode_p, extension_within_bounds_p): New functions.
9646         (check_ext_dependent_givs): Use them.
9647
9648 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9649
9650         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
9651         more than one barrier, in which case we should delete them all.
9652
9653 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
9654
9655         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
9656
9657 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
9658
9659         Fix PR middle-end/19286
9660         Fix PR debug/19267
9661         * dwarf2out.c (gen_subprogram_die): If we've already tried to
9662         output this subprogram, simply ignore this attempt to do it again.
9663         (add_abstract_origin_attribute): Don't abort trying to add the abstract
9664         origin attribute if it's not possible.
9665         (gen_block_die): Don't ignore subblocks of "unused" blocks.
9666         (decls_for_scope): Ditto.
9667         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
9668         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
9669
9670 2005-01-05  Richard Henderson  <rth@redhat.com>
9671
9672         PR target/11327
9673         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
9674         (bdesc_2arg): Use it.
9675         (ix86_expand_binop_builtin): Force operands into registers
9676         when optimizing.
9677         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
9678         ix86_expand_sse_compare, ix86_expand_sse_comi,
9679         ix86_expand_builtin): Likewise.
9680
9681 2005-01-05  Richard Henderson  <rth@redhat.com>
9682
9683         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
9684         and VEC_SELECT.
9685         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
9686         (mulv4hi3): Set itanium_class mmmul.
9687         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
9688         (fpack): Rename from fpack_sfsf.
9689
9690 2005-01-05  Richard Henderson  <rth@redhat.com>
9691
9692         PR rtl-opt/10692
9693         * reload1.c (do_input_reload): Restrict the optimization deleteing
9694         a previous output reload to RELOAD_FOR_INPUT.
9695
9696 2005-01-05  Steven Bosscher  <stevenb@suse.de>
9697
9698         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
9699         comment that we fall through after case.
9700         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
9701         (distribute_links): Likewise.
9702         * cse.c (cse_insn): Likewise.
9703         * cselib.c (cselib_invalidate_mem): Likewise.
9704         * df.c: Update comments at the top of the file.
9705         (read_modify_subreg_p): Update comments here too.
9706         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
9707         * flow.c (mark_set_1): Likewise.
9708         (mark_used_regs): Likewise.
9709         * gcse.c (mems_conflict_for_gcse_p): Likewise.
9710         (canon_list_insert): Likewise.
9711         (mark_set): Likewise.
9712         (try_replace_reg): Likewise.
9713         (store_killed_in_insn): Likewise.
9714         * loop.c (count_one_set): Likewise.
9715         (basic_induction_var): Likewise.
9716         * postreload-gcse.c (find_mem_conflicts): Likewise.
9717         * postreload.c (reload_combine_note_store): Likewise.
9718         (move2add_note_store): Likewise.
9719         * reload.c (find_equiv_reg): Likewise.
9720         (mark_referenced_resources): Likewise.
9721         * rtlanal.c (set_noop_p): Likewise.
9722         (note_stores): Likewise.
9723         (note_uses): Likewise.
9724         * sched-deps.c (sched_analyze_1): Likewise.
9725         * sched-rgn.c (check_live_1): Likewise.
9726         (update_live_1): Likewise.
9727         * config/i860/i860.c: Likewise.
9728
9729         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
9730         an lvalue.
9731         (ZERO_EXTRACT): Mention that this one can be an lvalue.
9732
9733         * doc/rtl.texi: Update documentation for bit-fields and SET.
9734
9735 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9736
9737         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
9738
9739 2005-01-05  Jan Hubicka  <jh@suse.cz>
9740             Richard Henderson  <rth@redhat.com>
9741
9742         PR target/18910
9743         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
9744         with an offset.
9745
9746 2005-01-05  Richard Henderson  <rth@redhat.com>
9747
9748         PR target/12902
9749         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
9750         (sse_shufps): Change operand 3 to const_int_operand.
9751         (sse2_storelps): Fix typo in template.
9752         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
9753         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
9754         (ix86_expand_builtin): Likewise.
9755
9756 2005-01-05  Julian Brown  <julian@codesourcery.com>
9757
9758         * config/arm/arm.c (arm_return_in_memory): Treat complex types
9759         as aggregates for AAPCS ABIs.
9760
9761 2005-01-05  Stan Shebs  <shebs@apple.com>
9762
9763         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
9764         Mach-O getters if ppc64.
9765         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
9766         size argument.
9767         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
9768         signed four-byte field for global code case.
9769         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
9770
9771 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9772
9773         PR middle-end/19100
9774         * c-common.c: Include real.h.
9775         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
9776         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
9777         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
9778         * Makefile.in (c-common.o): Update dependencies.
9779
9780 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9781
9782         * c-parse.in (asm_string): Add trailing semicolon.
9783
9784 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9785
9786         * c-parse.in (asm_string): New.  Don't allow wide strings in
9787         'asm'.
9788         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
9789         asm_string instead of STRING.
9790
9791 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9792
9793         * c-typeck.c (constructor_no_implicit): Remove.
9794         (set_designator, process_init_element): Don't check
9795         constructor_no_implicit.
9796
9797 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
9798             Kaz Kojima  <kkojima@gcc.gnu.org>
9799
9800         PR target/16482
9801         * lcm.c (create_pre_exit): New.
9802         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
9803         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
9804
9805 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9806
9807         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
9808         -msoft-float in target_float_switch.
9809         * arm.c (arm_override_options): Fix processing of target_float_switch.
9810
9811 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9812
9813         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
9814         preferencing.
9815
9816 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
9817
9818         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
9819         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
9820
9821 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9822
9823         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
9824         if deleting the then-block allows the test-block to fallthru to the
9825         else-block.
9826
9827 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
9828
9829         PR c/19152
9830         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
9831         after the full declaration if the are in two different TUs.
9832
9833 2005-01-04  Richard Henderson  <rth@redhat.com>
9834
9835         PR tree-opt/19158
9836         * tree-sra.c (generate_one_element_init): Just
9837         call gimplify_and_add.
9838         (generate_element_init): Record the
9839         new referenced variables and mark them for renaming
9840         and split out to ...
9841         (generate_element_init_1): This.
9842         (scalarize_init): Don't call push_gimplify_context/
9843         pop_gimplify_context.
9844
9845 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
9846
9847         * toplev.c (get_src_pwd): Handle failure of getpwd().
9848
9849 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9850
9851         * fold-const.c (fold_single_bit_test): Delete unreachable handling
9852         of TRUTH_NOT_EXPR.
9853         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
9854         all the cases handled by it are inverted by invert_truthvalue.
9855
9856 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9857
9858         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
9859         (save_register_windowsi): Likewise.
9860
9861 2005-01-04  Richard Henderson  <rth@redhat.com>
9862
9863         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
9864
9865 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9866
9867         PR middle-end/17767
9868         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
9869         any simplifications of vector mode comparison operators.
9870         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
9871
9872 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
9873             Devang Patel  <dpatel@apple.com>
9874
9875         PR tree-optimization/18308
9876         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
9877         the operands before creating a new expression.
9878         * dojump.c (do_jump): Make drop_through_label available
9879         for all cases.  Add expansion of COND_EXPR.
9880
9881 2005-01-04  Ira Rosen  <irar@il.ibm.com>
9882
9883         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
9884         INTEGER_CST instead of TREE_CONSTANT.
9885         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
9886         instead of TREE_CONSTANT.
9887         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
9888         instead of TREE_CONSTANT.
9889
9890 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9891
9892         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
9893
9894 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9895
9896         PR target/19240
9897         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
9898         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
9899
9900 2005-01-03  Richard Henderson  <rth@redhat.com>
9901
9902         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
9903         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
9904         fold_convert_const_real_from_real): Split out from ...
9905         (fold_convert_const): ... here.
9906
9907 2005-01-03  Richard Henderson  <rth@redhat.com>
9908
9909         PR target/19235
9910         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
9911         (mov<MMXMODEI>_internal): Likewise.
9912         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
9913         Add V2SF case; use it for SSE1; don't use TI.
9914         (movdf_integer): Likewise.
9915         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
9916
9917 2005-01-03  Ira Rosen  <irar@il.ibm.com>
9918
9919         * tree-vectorizer.c (vect_strip_conversions): New function.
9920         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
9921         check for binary class.
9922
9923 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
9924
9925         Fix PR debug/17924
9926         Fix PR debug/19191
9927         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
9928         is a decl.
9929         * gimple-low.c (mark_blocks_with_used_vars): New function.
9930         (mark_blocks_with_used_subblocks): Ditto.
9931         (mark_used_blocks): Ditto.
9932         (pass_mark_used_blocks): New pass.
9933         * tree-inline.c: Include debug.h.
9934         (expand_call_inline): Call outlining_inline_function here.
9935         * tree-optimize.c (init_tree_optimization_passes): Add
9936         pass_mark_used_blocks.
9937         * tree-pass.h (pass_mark_used_blocks): New.
9938         * Makefile.in (tree-inline.o): Add debug.h dependency.
9939
9940 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
9941
9942         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
9943         VAR_DECLs to have weak_import attribute.
9944
9945         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
9946         'struct ucontext'.
9947
9948 2004-01-03  Steven Bosscher  <stevenb@suse.de>
9949
9950         * passes.c (rest_of_compilation): Don't run regmove if only
9951         flag_expensive_optimizations, require flag_regmove instead.
9952
9953 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
9954
9955         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
9956         register "sparc".
9957         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
9958         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9959         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
9960         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9961
9962 2005-01-03  Richard Henderson  <rth@redhat.com>
9963
9964         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
9965         (ia64_const_ok_for_letter_p): New.
9966         (ia64_const_double_ok_for_letter_p): New.
9967         (ia64_extra_constraint): New.
9968         (ia64_expand_vecint_compare): New.
9969         (ia64_expand_vcondu_v2si): New.
9970         (ia64_expand_vecint_cmov): New.
9971         (ia64_expand_vecint_minmax): New.
9972         (ia64_print_operand): Add 'v'.
9973         (ia64_preferred_reload_class): New.
9974         (ia64_vector_mode_supported_p): New.
9975         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
9976         (PREFERRED_RELOAD_CLASS): Move to function.
9977         (CONST_OK_FOR_LETTER_P): Move to function.
9978         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
9979         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
9980         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
9981         (EXTRA_CONSTRAINT): Move to function.
9982         * config/ia64/ia64.md: Include vect.md.
9983         (itanium_class): Add mmalua.
9984         (type): Handle it.
9985         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
9986         (1b_mmalua): New.
9987         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
9988         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
9989         CONST0_RTX.
9990         (const_int_2bit_operand): New.
9991         (fr_reg_or_0_operand): New.
9992         * config/ia64/ia64-modes.def: Add vector modes.
9993         * config/ia64/ia64-protos.h: Update.
9994         * config/ia64/vect.md: New file.
9995
9996 2005-01-03  Richard Henderson  <rth@redhat.com>
9997
9998         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
9999
10000 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10001
10002         PR target/19236
10003         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10004         to SFmode.
10005         (log1pdf2): Change mode of operands[0,1] to DFmode.
10006
10007 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10008
10009         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10010         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10011         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10012         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10013         SPARC_RELAXED_ORDERING.
10014
10015 2005-01-03  Richard Henderson  <rth@redhat.com>
10016             Uros Bizjak  <uros@kss-loka.si>
10017
10018         PR target/14631
10019         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10020         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10021         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10022         handling.
10023         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10024         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10025         const_pow2_1_to_128_operand): New predicates.
10026
10027 2005-01-02  Greg McGary  <greg@mcgary.org>
10028
10029         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10030         anonymous decls.
10031         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10032         object.  [ptr_type]: Remove unused variable.
10033         Remember nearest addressable array-element or record-component
10034         when checking bitfield components.  Tolerate empty BIND_EXPR.
10035
10036 2005-01-01  Richard Henderson  <rth@redhat.com>
10037
10038         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10039         that don't narrow the value.  Fail for other conversions.
10040
10041 2005-01-01  Richard Henderson  <rth@redhat.com>
10042
10043         PR c/19031
10044         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10045         * c-lang.c (finish_file): Don't do it here.
10046         * objc/objc-act.c (objc_finish_file): Likewise.
10047
10048         * cgraph.c (decl_assembler_name_equal): New.
10049         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10050         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10051         * cgraph.h (struct cgraph_varpool_node): Add next.
10052         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10053         * varasm.c (assemble_alias): Mark the target as needed.
10054
10055 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10056
10057         PR middle-end/19221
10058         * function.c (get_arg_pointer_save_area): Use entry_of_function
10059         instead of get_insns.
10060
10061 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10062             Andrew Pinski  <pinskia@physics.uc.edu>
10063             James E. Wilson  <wilson@specifixinc.com>
10064
10065         PR rtl-optimization/12092
10066         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10067         is zero.
10068
10069 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10070             Olivier Hainque  <hainque@act-europe.fr>
10071
10072         * tree.c (int_fits_type_p): A narrower type always fits in a
10073         wider one, except for negative values into unsigned types.
10074
10075 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10076
10077         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10078         with the original constant rather than require TREE_OVERFLOW.
10079
10080 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10081
10082         PR middle-end/17544
10083         * c-decl.c (finish_function): If compiling C99, annotate the
10084         compiler generated return with the current file name and line 0.
10085         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10086         the source line is greater than 0.
10087         (remove_bb): Likewise.