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