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