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* tree-into-ssa.c: Re-organize internal functions.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2
3         * tree-into-ssa.c: Re-organize internal functions.
4
5 2005-02-24  Richard Henderson  <rth@redhat.com>
6
7         PR middle-end/18902
8         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
9         for c99.
10         * common.opt (fcx-limited-range): New.
11         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
12         * toplev.c (flag_complex_method): Initialize to 1.
13         (process_options): Set flag_complex_method to 0 if
14         flag_cx_limited_range.
15         * doc/invoke.texi (-fcx-limited-range): New.
16
17 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
18
19         * cse.c (delete_trivially_dead_insns): Speed up by using
20         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
21         prev_real_insn.
22
23 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
24
25         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
26         functions when -mid-shared-library is being used.
27
28 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
29
30         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
31         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
32         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
33         * system.h: Poison LINK_LIBGCC_SPECIAL.
34
35 2005-02-23  James E Wilson  <wilson@specifixinc.com>
36
37         * gengtype.c (note_insn_name): Make 1 element larger.
38
39 2005-02-23  Roger Sayle  <roger@eyesopen.com>
40
41         PR target/20018
42         PR rtl-optimization/20097
43         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
44         BImode SUBREGs of SImode registers which confuse the ia64 backend.
45
46 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
47
48         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
49         * t-aix52 (SHLIB_INSTALL): Same.
50
51 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
52
53         * genpreds.c: Update copyright.
54
55 2005-02-23  Michael Beach  <michaelb@ieee.org>
56
57         PR target/20159
58         * config/sparc/t-elf (startup files): Assemble with CPP.
59
60 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
61
62         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
63         (write_predicate_expr): Likewise.
64
65 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
66
67         PR tree-optimization/20100
68         PR tree-optimization/20115
69         * tree-optimize.c (init_tree_optimization_passes): Remove
70         pass_maybe_create_global_var.
71         * tree-pass.h (pass_maybe_create_global_var): Remove.
72         * tree-ssa-alias.c (aliases_computed_p): Declare.
73         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
74         (count_calls_and_maybe_create_global_var): Remove.
75         (pass_maybe_create_global_var): Remove.
76         (init_alias_info): Do not declare aliases_computed_p.
77         (maybe_create_global_var): If the function contains no
78         call-clobbered variables and a mix of pure/const and regular
79         function calls, create .GLOBAL_VAR.
80         Mark all call-clobbered variables for renaming.
81         (merge_pointed_to_info): Update comment.
82         (add_pointed_to_var): Likewise.
83         (is_escape_site): Likewise.
84         Accept struct alias_info * instead of size_t *.
85         Update all users.
86         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
87         as necessary.
88         * tree-ssa-operands.c (get_call_expr_operands): If
89         ALIASES_COMPUTED_P is false, do not add call-clobbering
90         operands.
91         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
92         (delete_tree_ssa): Likewise.
93
94 2005-02-22  James E Wilson  <wilson@specifixinc.com>
95
96         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
97         (do_compile): Do call it here.
98
99 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
100
101         PR rtl-optimization/20017.
102         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
103         rest_of_handle_cse2, rest_of_handle_gcse): Call
104         delete_dead_jumptables immediately before calling cleanup_cfg.
105
106 2005-02-22  Devang Patel  <dpatel@apple.com>
107
108         PR 19952
109         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
110         all labels
111         
112 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
113
114         * config/rs6000/aix.h (WINT_TYPE): Define.
115
116 2005-02-22  Stan Shebs  <shebs@apple.com>
117
118         * config/rs6000/rs6000.c (rs6000_override_options): Default to
119         natural alignment for 64-bit Darwin.
120         (rs6000_parse_alignment_option): Warn about uses of -malign-power
121         on 64-bit Darwin.
122         * doc/invoke.texi: Document this.
123
124 2005-02-22  DJ Delorie  <dj@redhat.com>
125
126         * c-common.c (c_common_type_for_mode): Pass the mode's precision
127         to make_[un]signed_type, not the mode itself.
128
129 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
130
131         * cfg.c (cached_make_edge): Call make_edge if edge cache is
132         not available.  Use tail calls wherever possible.
133         (make_edge): Call unchecked_make_edge to create an edge.
134
135         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
136         (coalesce_ssa_name): Don't check for
137         SSANORM_USE_COALESCE_LIST.
138         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
139
140 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
141
142         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
143         (rewrite_into_ssa): ... here.
144
145 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
146
147         PR tree-optimization/19786
148         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
149         tag to another's may-alias bitmap when adding to the other's list.
150
151 2005-02-21  DJ Delorie  <dj@redhat.com>
152
153         * tree-ssa-loop-ivopts.c (computation_cost): Start register
154         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
155         registers in unsupported ways.
156         * expmed.c (init_expmed): Likewise.
157         
158 2005-02-21  Stan Cox  <scox@redhat.com>
159
160         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
161
162 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
163
164         * tree-cfg.c (fold_cond_expr_cond): New.
165         (make_edges): Call fold_cond_expr_cond.
166         (find_taken_edge): Accept nothing but INTEGER_CST.
167         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
168         and 1.
169         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
170
171         * flow.c (delete_dead_jumptables): Speed up by scanning insns
172         that do not belong to any basic block.
173
174 2005-02-21  Jeff Law  <law@redhat.com>
175
176         * cfganal.c (find_unreachable_blocks): Manually CSE load of
177         e->dest.
178
179 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
180
181         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
182         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
183         Adjust their definitions.
184         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
185         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
186
187         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
188         genautomata.c, langhooks.c, langhooks.h, system.h,
189         config/arm/lib1funcs.asm: Update copyright.
190
191 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
192
193         * dbxout.c (dbxout_function_end): Emit Lscope label always.
194
195 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
196
197         PR bootstrap/13770
198         * doc/install.texi: Document --with-gc.
199
200 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
201
202         * simplify-rtx.c (simplify_unary_operation): Add a missing
203         "break" statement.
204
205 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
206
207         PR tree-optimization/18663
208         * tree-ssa-dom.c (extract_range_from_cond): Return 0
209         if the type has variable bounds.
210
211 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
212
213         * gcse.c: Remove an obsolete comment.
214
215         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
216
217 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
218
219         * doc/extend.texi (Function Attributes) <Attribute const>: The
220         attribute "pure" is below this text, not above.
221
222 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
223
224         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
225         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
226         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
227
228 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
229
230         PR 18785
231         * langhooks.h (struct lang_hooks): Add to_target_charset.
232         * langhooks.c (lhd_to_target_charset): New function.
233         * langhooks-def.h: Declare lhd_to_target_charset.
234         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
235         (LANG_HOOKS_INITIALIZER): Update.
236         * c-common.c (c_common_to_target_charset): New function.
237         * c-common.h: Declare it.
238         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
239         c_common_to_target_charset.
240
241         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
242         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
243         Delete definitions.
244         * system.h: Poison them.
245         * doc/tm.texi: Don't discuss them.
246         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
247         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
248         (pp_c_char): Do not attempt to generate letter escapes for
249         newline, tab, etc.
250         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
251         * config/mips/mips.c (mips_output_ascii): Likewise.
252
253 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
254
255         PR tree-optimization/19951
256         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
257         is abnormal.
258
259 2005-02-19  Steven Bosscher  <stevenb@suse.de>
260
261         PR middle-end/19698
262         * function.h (struct function): New field `max_loop_depth'.
263         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
264         (flow_loops_find): Reset the max loop depth count before finding loops.
265         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
266         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
267         (calculate_global_regs_live): Make sure the loop will terminate
268         when the initial sets are not empty.
269
270 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
271
272         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
273         object inside.
274         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
275
276 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
277
278         PR other/19525
279         * doc/invoke.texi: Remove documentation of %M spec.
280         * gcc.c: Likewise.
281         (init_spec): Remove %M suffix from -lgcc_s.
282         (do_spec_1): Remove 'M' case.
283         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
284         to put shared libraries in the multilib directory.  Remove the
285         shlib_so_soname substitution variable.  Don't add a multilib encoding
286         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
287         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
288         SHLIB_INSTALL as well as SHLIB_LINK.
289         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
290         (SHLIB_NAME): Delete.
291         (SHLIB_DIR): New macro.
292         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
293         (SHLIB_INSTALL): Adjust accordingly.
294         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
295         * config/t-slibgcc-sld: Likewise.
296         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
297         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
298         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
299         in $(SHLIB_DIR).
300         (SHLIBUNWIND_INSTALL): Adjust accordingly.
301         * config/i386/t-nwld (SHLIB_SONAME): Delete.
302         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
303         Use @shlib_base_name@ instead of @shlib_so_name@.
304         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
305         and @shlib_base_name@.so in @multilib_dir@.
306         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
307         to the install path.
308         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
309         (SHLIB_LINK): Remove previous workaround.
310         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
311         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
312         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
313         the install path.
314         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
315         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
316         (SHLIB_INSTALL): Adjust accordingly.
317         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
318         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
319         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
320         config/t-slibgcc-elf-ver.
321
322 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
323             Jakub Jelinek  <jakub@redhat.com>
324
325         PR tree-optimization/19828
326         * tree-ssa-loop-im.c: Add a TODO comment.
327         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
328         without side-effects.
329
330 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
331
332         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
333         call fold_convert.
334
335 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
336
337         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
338         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
339         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
340         functions.
341         (ia64_reorg): Delete fixup_errata call.
342         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
343         (TARGET_SWITCHES): Delete -mb-step entry.
344
345 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
346
347         PR c/20043
348         * c-typeck.c (composite_type): Handle quals in transparent unions.
349         (type_lists_compatible_p): Likewise.
350
351 2005-02-18  Stan Shebs  <shebs@apple.com>
352
353         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
354         expressions in the .literal8 section.
355
356 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
357
358         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
359
360 2005-02-18  Roger Sayle  <roger@eyesopen.com>
361
362         * fold-const.c (constant_boolean_node): Always create values of the
363         specified type, don't bother calling truthvalue_conversion.
364
365 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
366
367         * except.c (output_function_exception_table): Call
368         assemble_external_libcall (eh_personality_libfunc).
369
370 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
371
372         PR target/19886
373         * config/ia64/ia64.h (struct machine_function): Add state_num.
374         * config/ia64/ia64.c (process_epilogue,
375         process_for_unwind_directive): Use new unwind state numbers each
376         time rather than state 1.
377
378 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
379
380         PR target/20054
381         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
382         before the "*llgt_didi" pattern.
383
384 2005-02-18  Jason Merrill  <jason@redhat.com>
385
386         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
387
388 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
389
390         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
391         (div0): Use it in place of ARM_FUNC_ALIAS.
392         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
393
394 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
395
396         PR middle-end/20030
397         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
398         access, the lower bound of the array type if it exists.
399
400 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
401
402         PR c++/20008
403         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
404         cases that are out-of-range for the index type.
405
406 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
407
408         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
409         (estimate_case_costs): Don't call convert.
410         * expmed.c (expand_shift): Likewise.
411         (make_tree): Call fold_convert instead of convert.
412
413 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
414
415         PR c++/19813
416         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
417         that ref to be marked MEM_READONLY_P doesn't have base that needs
418         constructing.
419
420 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
421
422         * genautomata.c (output_get_cpu_unit_code_func,
423         output_cpu_unit_reservation_p): Don't generate old-style function
424         definitions.
425
426 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
427
428         PR c++/20023
429         PR tree-optimization/20009
430         * convert.c (convert_to_integer): Revert 2005-02-16 change.
431
432         PR tree-optimization/18947
433         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
434         inline, remove all nodes that are inlined into the extern inline
435         being redefined.
436
437 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
438
439         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
440         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
441         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
442         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
443         Update copyright.
444
445 2005-02-17  Roger Sayle  <roger@eyesopen.com>
446
447         PR tree-optimization/19917
448         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
449         to be potentially trapping.
450
451 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
452
453         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
454
455 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
456
457         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
458         tem becomes a local variable which is set to the value of the
459         back end defined INITIAL_FRAME_ADDRESS macro.
460         (expand_builtin_frame_address): Omit the base parameter to
461         expand_builtin_return_addr.
462         (expand_builtin_profile_func): Likewise.
463         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
464         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
465         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
466
467 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
468
469         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
470         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
471         * config/frv/frv.c (frv_function_epilogue): Likewise.
472
473 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
474
475         * lambda-code (perfect_nestify): Remove mark/unmark
476         for rewriting hack.
477         * tree-loop-linear.c (linear_transform_loops): Add
478         rewrite_into_ssa call so that ssa is correct for
479         rewriting into loop closed.
480
481 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
482
483         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
484         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
485         BITMAP_FREE.
486         * bt-load.c (btr_def_live_range, combine_btr_defs,
487         migrate_btr_def, migrate_btr_defs): Likewise.
488         * cfgcleanup.c (thread_jump): Likewise.
489         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
490         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
491         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
492         df_rd_local_compute, df_reg_info_compute): Likewise.
493         * dominance.c (init_dom_info, free_dom_info): Likewise.
494         * flow.c (init_propagate_block_info,
495         free_propagate_block_info): Likewise.
496         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
497         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
498         modify_reg_pav): Likewise.
499         * loop-invariant.c (find_defs, find_invariant_insn,
500         find_invariants, free_inv_motion_data): Likewise.
501         * predict.c (tree_predict_by_opcode,
502         estimate_bb_frequencies): Likewise.
503         * stmt.c (expand_case): Likewise.
504         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
505         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
506         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
507         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
508         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
509         rewrite_ssa_into_ssa): Likewise.
510         * tree-optimize.c (tree_rest_of_compilation): Likewise.
511         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
512         analyze_edges_for_bb, perform_edge_inserts): Likewise.
513         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
514         * tree-sra.c (tree_sra): Likewise.
515         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
516         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
517         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
518         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
519         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
520         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
521         Likewise.
522         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
523         calculate_live_on_entry, calculate_live_on_exit,
524         build_tree_conflict_graph): Likewise.
525         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
526         record_important_candidates, set_use_iv_cost, find_depends,
527         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
528         tree_ssa_iv_optimize_finalize): Likewise.
529         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
530         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
531         tree_duplicate_loop_to_header_edge): Likewise.
532         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
533         * tree-ssa.c (verify_flow_insensitive_alias_info,
534         verify_name_tags, verify_ssa, init_tree_ssa,
535         delete_tree_ssa): Likewise.
536         * tree-ssanames.c (marked_ssa_names, init_ssanames,
537         fini_ssanames): Likewise.
538         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
539
540 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
541
542         * config/rs6000/t-rtems: Completely reworked.
543
544 2005-02-17  Ira Rosen  <irar@il.ibm.com>
545
546         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
547
548 2005-02-17  Ira Rosen  <irar@il.ibm.com>
549
550         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
551         POINTER_TYPE_P when checking that type is a pointer.
552         (vect_get_memtag): Remove.
553         (vect_address_analysis): Use POINTER_TYPE_P. Call
554         vect_object_analysis with dummy parameter for memtag.
555         (vect_object_analysis): Extract memtag (functionality that
556         used to be in vect_get_memtag and moved here). Fix printings.
557         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
558         with correct parameters. Remove call to vect_get_memtag.
559
560 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
561
562         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
563         (tree-vectorizer.o): Added missing dependencies.
564
565         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
566         decleration.
567         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
568         declaration in tree-vectorizer.c, now has an extern declaration in
569         tree-vectorizer.h).
570         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
571         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
572         get_vectype_for_scalar_type, vect_is_simple_use,
573         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
574         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
575         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
576         vectorizable_store, vectorizable_operation, vectorizable_assignment,
577         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
578         find_loop_location): Likewise.
579
580         * tree-vectorizer.c (langhooks.h): #include removed.
581         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
582         moved to tree-vectorized.h.
583         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
584         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
585         get_vectype_for_scalar_type, vect_is_simple_use,
586         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
587         vect_supportable_dr_alignment, new_loop_vec_info,
588         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
589         vect_set_verbosity_level, find_loop_location): Likewise.
590
591         (vect_analyze_loop): Function externalized. Declaration moved to
592         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
593         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
594         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
595         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
596         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
597         vect_enhance_data_refs_alignment, vect_analyze_operations,
598         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
599         vect_stmt_relevant_p, vect_get_loop_niters,
600         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
601         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
602         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
603         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
604         vect_get_memtag): Likewise.
605
606         (vectorizable_load): Function externalized. Declaration moved to
607         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
608         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
609         vect_transform_loop): Likewise.
610         (vect_transform_stmt): Moved to tree-vect-transform.c.
611         (vect_align_data_ref, vect_create_destination_var,
612         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
613         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
614         vect_get_vec_def_for_operand, vect_init_vector,
615         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
616         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
617         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
618         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
619         vect_do_peeling_for_loop_bound): Likewise.
620
621         * tree-vect-analyze.c: New file.
622         * tree-vect-transform.c: New file.
623
624 2005-02-17  Jason Merrill  <jason@redhat.com>
625
626         PR mudflap/19319, c++/19317
627         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
628         slot explicit.
629
630 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
631
632         * doc/install.texi (Specific): Update link for Darwin-specific
633         tool binary site.
634
635 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
636
637         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
638         constant_boolean_node.
639
640 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
641
642         PR target/19019
643         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
644         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
645
646 2005-02-16  Richard Henderson  <rth@redhat.com>
647
648         PR 19920
649         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
650         with W_TYPE_SIZE.
651         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
652         replace uses with Wtype_MAXp1_F.
653         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
654         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
655         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
656         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
657         and HAVE_TFMODE as appropriate.
658         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
659         (__floatdisf): Likewise.
660         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
661         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
662         (Wtype_MAXp1_F): New.
663         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
664         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
665
666 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
667
668         * PR target/19162
669         * arm.c (arm_apply_result_size): New function.
670         * arm.h (APPLY_RESULT_SIZE): Define.
671         * arm-protos.h (arm_apply_result_size): Add prototype.
672         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
673         (movxf): New expand.
674         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
675         (call_value_symbol): Remove predicate for operand 0.
676         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
677         (untyped_call): Rework to correclty return values for any type.
678         (untyped_return): New expand.
679         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
680
681 2005-02-16  Stan Shebs  <shebs@apple.com>
682
683         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
684         * config/rs6000/t-darwin8: New, for 64-bit multilib.
685
686 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
687
688         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
689         configure settings on Solaris 7 and later.
690
691 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
692
693         PR tree-optimization/19865
694         * tree-optimize.c (init_tree_optimization_passes): Run
695         pass_may_alias after pass_sra.
696
697 2005-02-16  Richard Henderson  <rth@redhat.com>
698             Stuart Hastings  <stuart@apple.com>
699
700         PR debug/19521
701         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
702         Do nothing if debug info suppressed for this function.
703         (dbxout_begin_function): Early exit if debug info suppressed for
704         this function.
705
706 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
707
708         PR target/20007
709         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
710         find_basic_blocks.
711         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
712
713         PR tree-optimization/19967
714         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
715         expand_builtin_strchr, expand_builtin_strrchr): Take a new
716         argument TYPE.  Adjust calls to fold_builtin_XXX.
717         (expand_builtin, fold_builtin_1): Adjust calls to
718         expand_builtin_XXX.
719         (fold_builtin_strchr, fold_builtin_strpbrk,
720         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
721         result to a requested type TYPE.
722
723 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
724
725         PR middle-end/19857
726         * fold-const.c (fold): Don't optimize (T)(x & cst) to
727         (T)x & (T)cst if (T)cst overflows.
728         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
729         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
730
731 2005-02-15  Jeff Law  <law@redhat.com>
732
733         * gcse.c (blocks_with_calls): New bitmap.
734         (alloc_gcse_mem): Allocate it.
735         (free_gcse_mem): Free it.
736         (clear_modifY_mem_tables): Clear it.
737         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
738         when we encounter CALL_INSNs.
739         (compute_transp, case MEM): Handle blocks with calls separate
740         from blocks without calls.  Use bitmap iterators rather than
741         FOR_EACH_BB.
742
743 2005-02-15  Peter O'Gorman  <peter@pogma.com>
744
745         PR bootstrap/18810
746         * mklibgcc.in (vis_hide): Use a temporary object file, not
747         -o /dev/null.
748
749 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
750
751         PR target/19924
752         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
753         access optimization.
754
755 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
756             Alan Modra  <amodra@bigpond.net.au>
757
758         PR target/19019
759         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
760         (_xlqsub): Rename to __gcc_qsub.
761         (_xlqmul): Rename to __gcc_qmul.
762         (_xlqdiv): Rename to __gcc_qdiv.
763         Provide versioned symbol aliases with old names.
764         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
765         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
766         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
767         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
768         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
769
770 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
771
772         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
773         Fold ~(A - 1) and ~(A + -1) to -A.
774
775 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
776
777         PR pch/14940
778         PR target/19300
779         * config/host-linux.c (linux_gt_pch_use_address): Copy from
780         config/pa/pa-host.c:pa_gt_pch_use_address.
781
782 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
783
784         * tree-vn.c (get_value_handle): Make sure that given an
785         is_gimple_min_invariant expression, we always return it.
786
787 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
788
789         * passes.c (rest_of_handle_gcse): Fix a comment.
790
791 2005-02-15  Jeff Law  <law@redhat.com>
792
793         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
794         bitmap.
795         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
796         (canon_list_insert, record_last_mem_set_info): Similarly.
797         (clear_modify_mem_tables): Similarly.
798
799 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
800
801         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
802         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
803         config/mips/mips.md, config/rs6000/aix.h,
804         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
805
806 2005-02-15  Richard Henderson  <rth@redhat.com>
807
808         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
809         call to be best_edge.
810
811 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
812
813         * basic-block.h: Adjust the prototype for find_basic_blocks.
814         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
815         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
816         find_basic_blocks.
817
818         * flow.c (recompute_reg_usage): Remove all arguments.
819         * passes.c (rest_of_compilation): Adjust the call to
820         recompute_reg_usage.
821         * rtl.h: Adjust the prototype for recompute_reg_usage.
822
823 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
824
825         * tree-dump.c (dump_files): Update to reflect new member
826         of dump_file_info.
827         (dump_register): Add new argument.
828         Set glob name.
829         (dump_switch_p_1): Check against glob name if doglob was passed.
830         (dump_switch_p): Check against regular first, then glob if
831         we didn't have any hits on the dump name.
832         * tree-optimize.c (register_one_dump_file):
833         Pass in glob name as well.
834         * tree-pass.h (struct dump_file_info): Add glob
835         member.
836
837 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
838
839         PR preprocessor/16323
840         * doc/invoke.texi: Document that -Wendif-labels is on by default.
841
842 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
843
844         PR target/19019
845         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
846         (trunctfdf2_internal1): New.
847         (trunctfdf2_internal2): Renamed from trunctfdf2.
848
849 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
850
851         PR tree-optimization/19853
852         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
853
854 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
855
856         * passes.c (rest_of_handle_loop_optimize): Remove calls to
857         delete_dead_jumptables and cleanup_cfg.
858
859 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
860
861         * reload.c (find_reloads): Swap address_reloaded flags when
862         swapping commutative operands.
863
864 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
865
866         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
867         Use standard_iv_increment_position for computing the bsi position
868         for create_iv.
869         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
870         the bsi position.
871
872 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
873
874         PR target/17428
875         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
876         life range of hard registers.
877         * value-prof.c (insn_prefetch_values_to_profile): Only
878         scan normal insns.
879
880         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
881         profile in libcalls.
882
883 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
884
885         * bitmap.h (bitmap_and_compl_into): Return bool.
886         * bitmap.c (bitmap_and_compl_into): Return changed flag.
887
888 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
889
890         PR tree-optimization/19944
891         * fold-const.c (fold): Re-add ABS_EXPR folding.
892
893 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
894
895         PR target/19019
896         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
897         {TARGET,MASK}_XL_COMPAT.
898         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
899         MASK_XL_COMPAT.
900         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
901         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
902         TARGET_XL_COMPAT.
903         (rs6000_arg_partial_bytes): Same.
904         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
905         and XL compatibility enabled.
906         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
907         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
908         test to final condition.
909         (cmptf_internal2): New.
910         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
911         xl-compat.  Add TFmode information to description.
912
913 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
914
915         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
916
917 2005-02-13  Jason Merrill  <jason@redhat.com>
918
919         PR c++/16405
920         * fold-const.c (fold_indirect_ref_1): Split out from...
921         (build_fold_indirect_ref): Here.
922         (fold_indirect_ref): New fn.
923         * tree.h: Declare it.
924         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
925         (gimplify_modify_expr_rhs): Likewise.
926         (gimplify_expr): Likewise.
927
928 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
929
930         PR tree-optimization/14303
931         PR tree-optimization/15784
932         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
933         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
934         ABS_EXPR<x> != 0 to x != 0.
935
936 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
937
938         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
939         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
940         spelling conventions.
941
942         * passes.c (rest_of_handle_gcse): Don't run cse_main and
943         delete_trivially_dead_insns too many times.
944
945         * passes.c (rest_of_handle_gcse): Remove dead assignments to
946         tem and tem2.
947
948 2005-02-12  Ira Rosen  <irar@il.ibm.com>
949
950         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
951         (vect_is_simple_iv_evolution): Remove redundant parameter
952         and step check.
953         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
954         without last parameter.
955         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
956         Return pointer step. Call vect_is_simple_iv_evolution without
957         last parameter. Check only that the step is multiple of size
958         type. Remove stmt_vinfo updates.
959         (vect_get_memtag_and_dr): Remove.
960         (vect_get_memtag): New function.
961         (vect_address_analysis): New function.
962         (vect_object_analysis): New function.
963         (vect_analyze_data_refs): Call vect_object_analysis and
964         vect_get_memtag. Update stmt_vinfo fields.
965
966 2005-02-12  Ira Rosen  <irar@il.ibm.com>
967
968         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
969         exist and are objects. Remove checks for pointer.
970         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
971         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
972         (vect_create_data_ref_ptr): Likewise.
973         (vect_base_addr_differ_p): New function.
974         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
975         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
976         Don't set the DR_BASE_NAME field of data-ref.
977         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
978
979 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
980
981         * optabs.h (enum optab_index): Add new OTI_ldexp.
982         (ldexp_optab): Define corresponding macro.
983         * optabs.c (init_optabs): Initialize ldexp_optab.
984         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
985         patterns.
986         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
987         using ldexp_optab.
988         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
989         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
990
991         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
992         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
993         intrinsics.
994
995 2005-02-12  Ira Rosen  <irar@il.ibm.com>
996
997         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
998         to base_address.
999         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1000         stmt_vec_info.
1001         (vect_get_base_and_offset): Always return an address.
1002         (vect_create_addr_base_for_vector_ref): Remove treatment for
1003         different data reference types.
1004         (vect_compute_data_ref_alignment): Rename base to base_address in
1005         stmt_vec_info. Get the object in order to force its alignment.
1006         (vect_get_memtag_and_dr): Rename base to base_address in
1007         stmt_vec_info. Extract the object for memtag analysis.
1008
1009 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1010
1011         PR regression/19898.
1012         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1013         changes cc_status, use apply modified_in_p to part of cc_status
1014         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1015         body.
1016
1017 2005-02-11  Richard Henderson  <rth@redhat.com>
1018
1019         * tree-complex.c (expand_complex_libcall): New.
1020         (expand_complex_multiplication): Use it for c99 compliance.
1021         (expand_complex_division): Likewise.
1022         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1023         (fold): Call them.
1024         * builtins.c (built_in_names): Remove const.
1025         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1026         builtins.
1027         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1028         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1029         (built_in_names): Remove const.
1030         * c-common.c (c_common_type_for_mode): Handle complex modes.
1031         * flags.h, toplev.c (flag_complex_method): Rename from
1032         flag_complex_divide_method.
1033         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1034         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1035         * libgcc2.h: Declare them.
1036         * libgcc-std.ver: Export them.
1037         * mklibgcc.in (lib2funcs): Build them.
1038
1039 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1040
1041         PR tree-optimization/19876
1042         Partially revert my change from 2005-01-14
1043         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1044         (compute_antic): ...and remove the loop here.
1045
1046 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR middle-end/19858
1049         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1050         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1051
1052         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1053         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1054
1055 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1056
1057         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1058         offsets for the big-endian 32-bit case.
1059
1060 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1061
1062         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1063
1064 2005-02-11  Dale Johannesen  <dalej@apple.com>
1065
1066         * cselib.c (cselib_process_insn):  Clear out regs where
1067         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1068         * reload.c (find_equiv_reg): Ditto.
1069
1070 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1071
1072         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1073         with no elements.
1074
1075         * tree.c (build_function_type_list): Work correctly if there are
1076         no arguments.
1077
1078 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1079
1080         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1081         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1082         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1083         TARGET_ZARCH instead of TARGET_64BIT.
1084
1085 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1086
1087         * config/rs6000/t-rtems:
1088         (MULTILIB_OPTIONS): Remove mcpu=602.
1089         (MUTLILIB_DIRNAMES): Remove m602.
1090         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1091         Let mcpu=602 match mcpu=603.
1092         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1093
1094 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1095
1096         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1097         signal trampolines.
1098
1099 2005-02-10  David Daney  <ddaney@avtrex.com>
1100
1101         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1102         * config/i386/linux-unwind.h: Likewise.
1103         * config/ia64/linux-unwind.h: Likewise.
1104         * config/mips/linux-unwind.h: Likewise.
1105         * config/pa/linux-unwind.h: Likewise.
1106         * config/rs6000/linux-unwind.h: Likewise.
1107         * config/s390/linux-unwind.h: Likewise.
1108         * config/sh/linux-unwind.h: Likewise.
1109         * config/sparc/linux-unwind.h: Likewise.
1110
1111 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1112
1113         PR tree-optimization/17549
1114         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1115         TER to replace a DEF with its expression if the DEF and the
1116         rhs of the expression we replace into have the same root
1117         variable.
1118
1119 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1120
1121         * config/mips/mips.md: Fix the placement of the match_scratch in the
1122         lea64 peephole2.
1123
1124 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1125
1126         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1127         Fix comment typos.
1128
1129 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1130
1131         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1132         (strip_offset): Handle addresses.
1133         (add_address_candidates): Use strip_offset.
1134         (difference_cost): Reflect strip_offset change.
1135         (force_var_cost, difference_cost): Strip nops.
1136
1137 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1138
1139         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1140
1141         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1142         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1143         config/cris/cris-protos.h, config/cris/cris.c: Update
1144         copyright.
1145
1146 2005-02-10  Jeff Law  <law@redhat.com>
1147
1148         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1149         (lookup_avail_expr): Similarly.
1150
1151 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1152
1153         * builtins.c (fold_builtin_powi): New function.
1154         (fold_builtin_1): Call it.
1155
1156 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1157
1158         PR documentation/19309
1159         * doc/cpp.texi: The __GNUC__ and related predefined macros
1160         are also defined for the "standalone" cpp.
1161         Some non-GCC compilers may also define __GNUC__.
1162
1163 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR c/19342
1166         * c-typeck.c (common_type): New routine.  Old common_type renamed
1167         to...
1168         (c_common_type): ...this.
1169         (build_conditional_expr, build_binary_op): Use c_common_type instead
1170         of common_type.
1171
1172 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1173
1174         * doc/md.texi: Replace @samp{length} with @code{length}.
1175
1176 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1177
1178         PR tree-optimization/18687
1179         * tree-flow.h (find_loop_niter): Declare.
1180         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1181         Try using scev even for loops with more than one exit.
1182         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1183         (struct ivopts_data): Added niters field.
1184         (struct nfe_cache_elt): New.
1185         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1186         functions.
1187         (tree_ssa_iv_optimize_init): Initialize niters cache.
1188         (determine_number_of_iterations): Removed.
1189         (find_induction_variables): Do not call determine_number_of_iterations.
1190         Access niters for single exit through niter_for_single_dom_exit.
1191         (add_iv_outer_candidates): Access niters for single exit through
1192         niter_for_single_dom_exit.
1193         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1194         number_of_iterations_cond.
1195         (iv_period): New function.
1196         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1197         (may_replace_final_value): Take data argument.  Use
1198         niter_for_single_dom_exit.
1199         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1200         (rewrite_use_compare): Pass data to may_eliminate_iv.
1201         (rewrite_use_outer): Pass data to may_replace_final_value.
1202         (free_loop_data): Clean up the niters cache.
1203         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1204         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1205         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1206         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1207         (num_ending_zeros): Moved to tree.c.
1208         * tree.h (num_ending_zeros): Declare.
1209         * tree.c (num_ending_zeros): Moved from tree.c.
1210
1211 2005-02-09  Richard Henderson  <rth@redhat.com>
1212
1213         * builtins.c (DEF_BUILTIN): Add COND argument.
1214         * tree.h (DEF_BUILTIN): Likewise.
1215         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1216         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1217         match.
1218         (DEF_BUILTIN_STUB): New.
1219         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1220         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1221         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1222         * c-common.c (DEF_BUILTIN): Add COND argument.
1223         * tree.c (local_define_builtin): New.
1224         (build_common_builtin_nodes): New.
1225
1226 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1227
1228         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1229         floating point expression ignoring the sign of the result.
1230         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1231         (fold) <MULT_EXPR>: Use it to simplify x*x.
1232         * tree.h (fold_strip_sign_ops): Prototype here.
1233         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1234         argument.  Use fold_strip_sign_ops to simplify the first argument.
1235         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1236         first argument when the second argument is an even integer
1237         constant, but only with -funsafe_math_optimizations.
1238         (fold_builtin_1): Update call to fold_builtin_copysign.
1239
1240 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1241
1242         PR middle-end/19583
1243         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1244         just check whether EH_FILTER_FAILURE falls through.
1245
1246 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1247
1248         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1249         insns return to ready list in the next turn.
1250
1251 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1252
1253         PR middle-end/19402
1254         * builtins.def: New __builtin_powi[lf].
1255         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1256         (expand_builtin_powi): New function.
1257         (expand_builtin): Dispatch to expand_builtin_powi.
1258         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1259         * libgcc2.c: Add __builtin_powi[lf] implementation.
1260         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1261         * optabs.h: Add powi_optab.
1262         * optabs.c (init_optabs): Initialize powi_optab.
1263         * doc/extend.texi: Document __builtin_powi[lf].
1264
1265 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1266
1267         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1268         exists.
1269
1270 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1271
1272         PR middle-end/19854
1273         * fold-const.c (try_move_mult_to_index): Remove redundant
1274         type argument.  Create ADDR_EXPR with correct type.
1275         (fold): Update callers of try_move_mult_to_index.  Convert
1276         result to the appropriate type.
1277
1278 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1279
1280         PR target/19597
1281         * config/avr/avr.c (default_rtx_costs): Delete.
1282         (avr_operand_rtx_cost): New function.
1283         (avr_rtx_costs): Completely rewrite.
1284
1285 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1286
1287         PR target/19806
1288         * config/cris/cris.c (in_code): New variable.
1289         (cris_output_addr_const): Now a static function, a wrapper for
1290         output_addr_const.
1291         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1292         case from old cris_output_addr_const.
1293         (cris_asm_output_label_ref): Similar for LABEL_REF.
1294         (cris_output_addr_const_extra): Similar for UNSPEC.
1295         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1296         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1297         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1298         declaration.
1299         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1300         (cris_asm_output_label_ref): Declare.
1301
1302 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1303
1304         PR preprocessor/19801
1305         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1306         filenames that changed when libcpp was moved to the toplevel.
1307
1308 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1309
1310         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1311         zero extensions of BImode operands.  Call lowpart_subreg instead
1312         of gen_lowpart_common and gen_lowpart_SUBREG.
1313
1314 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1315
1316         PR ada/19489
1317         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1318         * configure.ac: Set cc_for_cross_gnattools.
1319         * configure: Regenerate.
1320
1321 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1322
1323         PR target/19803
1324         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1325
1326 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1327
1328         PR debug/19327
1329         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1330         of nested functions.
1331
1332 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1333
1334         * doc/extend.texi: Document deprecated extensions allowing
1335         static floating-point members to have initializers and allowing
1336         floating-point literals in integral constant expressions.
1337
1338 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1339
1340         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1341         config/darwin7.h, config/mips/mips.c,
1342         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1343         Update copyright.
1344
1345         * cse.c: Update comments.
1346
1347 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1348
1349         PR middle-end/19775
1350         * builtins.c (fold_builtin_sqrt): Transform
1351         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1352         pow(x,y*0.5).
1353
1354 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1355             Dorit Naishlos  <dorit@il.ibm.com>
1356
1357         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1358         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1359         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1360         was added.
1361         * tree.h (vect_set_verbosity_level): New extern function declaration
1362         added.
1363         * tree-vectorizer.h (verbosity_levels): New enum type.
1364         * tree-vectorizer.c (vect_debug_stats): Function removed.
1365         (vect_debug_details): Likewise.
1366         (vect_verbosity_level): Global variable was defined and initialized.
1367         (vect_dump): Global variable definition.
1368         (vect_print_dump_info): New function.
1369         (vect_set_dump_settings): New function.
1370         (vect_set_verbosity_level): New function.
1371         (vectorize_loops): Add call to vect_set_dump_settings.
1372
1373         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1374         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1375         (slpeel_tree_peel_loop_to_edge): Likewise.
1376
1377         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1378         appropriate verbosity level instead of call to vect_debug_details
1379         or vect_debug_stats.
1380         (vect_get_base_and_offset):
1381         (vect_create_addr_base_for_vector_ref):
1382         (get_vectype_for_scalar_type):
1383         (vect_create_data_ref_ptr):
1384         (vect_init_vector):
1385         (vect_get_vec_def_for_operand):
1386         (vect_finish_stmt_generation):
1387         (vectorizable_assignment):
1388         (vectorizable_operation):
1389         (vectorizable_store):
1390         (vectorizable_load):
1391         (vect_transform_stmt):
1392         (vect_update_ivs_after_vectorizer):
1393         (vect_do_peeling_for_loop_bound):
1394         (vect_update_inits_of_drs):
1395         (vect_do_peeling_for_alignment):
1396         (vect_transform_loop):
1397         (vect_is_simple_use):
1398         (vect_analyze_operations):
1399         (vect_is_simple_iv_evolution):
1400         (vect_analyze_scalar_cycles):
1401         (vect_analyze_data_ref_dependence):
1402         (vect_analyze_data_ref_dependences):
1403         (vect_compute_data_ref_alignment):
1404         (vect_enhance_data_refs_alignment):
1405         (vect_analyze_data_refs_alignment):
1406         (vect_analyze_data_ref_access):
1407         (vect_analyze_data_ref_accesses):
1408         (vect_analyze_pointer_ref_access):
1409         (vect_get_memtag_and_dr):
1410         (vect_analyze_data_refs):
1411         (vect_mark_relevant):
1412         (vect_stmt_relevant_p):
1413         (vect_mark_stmts_to_be_vectorized):
1414         (vect_can_advance_ivs_p):
1415         (vect_get_loop_niters):
1416         (vect_analyze_loop_form):
1417         (vect_analyze_loop):
1418         (vectorize_loops): Likewise.
1419
1420         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1421         (vect_update_inits_of_drs):
1422         (vect_do_peeling_for_alignment):
1423         (vect_transform_loop):
1424         (vect_analyze_operations):
1425         (vect_analyze_scalar_cycles):
1426         (vect_analyze_data_ref_dependences):
1427         (vect_analyze_data_refs_alignment):
1428         (vect_analyze_data_ref_accesses):
1429         (vect_analyze_data_refs):
1430         (vect_mark_stmts_to_be_vectorized):
1431         (vect_get_loop_niters):
1432         (vect_analyze_loop_form):
1433         (vect_analyze_loop): Likewise.
1434         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1435
1436 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1437
1438         PR bootstrap/19796
1439         Revert:
1440         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1441         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1442         either -ffast-math or -funsafe-math-optimizations is in use.
1443
1444         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1445         * config/mips/irix-csr.c: New file.
1446         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1447         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1448         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1449         executables.
1450
1451 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1452
1453         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1454         redundant, incorrect definitions.
1455
1456         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1457         expand.
1458         ("*tls_indirect_call"): New, reference hard regs directly.
1459         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1460
1461 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1462
1463         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1464         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1465
1466 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1467
1468         PR rtl-optimization/19800
1469         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1470         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1471         gen_lowpart.
1472
1473 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1474
1475         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1476
1477 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1478
1479         PR other/17135
1480         * doc/invoke.texi: Correct documentation of -freorder-functions.
1481
1482 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1483
1484         PR other/14402
1485         * doc/invoke.texi: Don't mention gccbug.
1486
1487 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1488             Andrew Pinski  <pinskia@physics.uc.edu>
1489             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1490
1491         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1492         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1493         into just (zero_extract:SI FOO (const_int 1) BAR).
1494
1495 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1496
1497         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1498         macro locally.  Don't give last revision date.  Use GCC version
1499         number from gcc-common.texi.
1500         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1501         revision date.  Use GCC version number from gcc-common.texi.
1502         Describe being a library as current state rather than as 3.x
1503         history.
1504         * doc/gcc.texi: Remove last update date.
1505         * doc/gccint.texi: Likewise.  Update copyright dates.
1506         * doc/install.texi: Update copyright dates.
1507
1508 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1509
1510         PR other/7549
1511         * doc/invoke.texi: Mention for each option included in -Wall that
1512         it is included in -Wall.
1513         * doc/gcc.texi: Update copyright and last modification date.
1514
1515 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1516
1517         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1518         unnecessary cast to original induction variable increments.
1519
1520 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1521
1522         PR tree-optimization/18219
1523         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1524         in distributed form.
1525
1526 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1527
1528         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1529         Set bitpos and offset later in the function.  Do nothing if the
1530         target is a register and if the bitfield lies completely outside
1531         that register.
1532         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1533         here.  Return an uninitialised register if the source value is stored
1534         in a register and the bitfield lies completely outside that register.
1535
1536 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1537
1538         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1539         not SET_DEST.
1540
1541 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1542
1543         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1544
1545 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1546
1547         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1548         * config/darwin8.h: New.
1549         * config/darwin7.h: Update comment.
1550
1551 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1552             Dorit Naishlos  <dorit@il.ibm.com>
1553
1554         * tree-vectorizer.h (LOC): New type.
1555         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1556         (loop_line_number): New field in struct _loop_vec_info.
1557         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1558
1559         * tree-vectorizer.c (input.h): Included.
1560         (find_loop_location): New function.
1561         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1562         loop line number removed.
1563         (vect_debug_details): Likewise.
1564         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1565
1566         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1567         call to vect_debug_details/stats changed from loop to loop_loc.
1568         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1569         (slpeel_tree_peel_loop_to_edge): Likewise.
1570
1571         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1572         changed from NULL to UNKNOWN_LOC.
1573         (vect_get_base_and_offset):
1574         (vect_create_addr_base_for_vector_ref):
1575         (get_vectype_for_scalar_type):
1576         (vect_create_data_ref_ptr):
1577         (vect_init_vector):
1578         (vect_get_vec_def_for_operand):
1579         (vect_finish_stmt_generation):
1580         (vectorizable_assignment):
1581         (vectorizable_operation):
1582         (vectorizable_store):
1583         (vectorizable_load):
1584         (vect_transform_stmt):
1585         (vect_update_ivs_after_vectorizer):
1586         (vect_do_peeling_for_loop_bound):
1587         (vect_do_peeling_for_alignment):
1588         (vect_transform_loop):
1589         (vect_is_simple_use):
1590         (vect_analyze_operations):
1591         (vect_is_simple_iv_evolution):
1592         (vect_analyze_scalar_cycles):
1593         (vect_analyze_data_ref_dependences):
1594         (vect_compute_data_ref_alignment):
1595         (vect_enhance_data_refs_alignment):
1596         (vect_analyze_data_ref_access):
1597         (vect_analyze_data_ref_accesses):
1598         (vect_analyze_pointer_ref_access):
1599         (vect_get_memtag_and_dr):
1600         (vect_analyze_data_refs):
1601         (vect_mark_relevant):
1602         (vect_stmt_relevant_p):
1603         (vect_mark_stmts_to_be_vectorized):
1604         (vect_can_advance_ivs_p):
1605         (vect_get_loop_niters):
1606         (vect_analyze_loop):
1607         (vectorize_loops): Likewise.
1608
1609         (vectorizable_load): Argument in call to vect_debug_details/stats
1610         changed from loop to LOOP_LOC (loop_vinfo).
1611         (vect_transform_loop):
1612         (vect_analyze_operations):
1613         (vect_analyze_scalar_cycles):
1614         (vect_analyze_data_ref_dependence):
1615         (vect_enhance_data_refs_alignment):
1616         (vect_analyze_data_ref_accesses):
1617         (vect_analyze_pointer_ref_access):
1618         (vect_analyze_data_refs):
1619         (vect_analyze_loop): Likewise.
1620
1621         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1622         changed from loop to loop_loc.
1623
1624         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1625
1626 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1627             Dorit Naishlos  <dorit@il.ibm.com>
1628
1629         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1630         declaration added.
1631         (vect_analyze_data_ref_dependences): Likewise.
1632
1633         (vect_is_simple_use): Argument changed from loop structure to
1634         loop_vect_info structure.
1635         (vect_can_advance_ivs_p): Likewise.
1636         (vect_create_index_for_vector_ref): Likewise.
1637         (vect_update_ivs_after_vectorizer): Likewise.
1638         (new_stmt_vec_info): Likewise.
1639
1640         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1641         changed from loop to loop_vinfo.
1642         (vect_create_data_ref_ptr): First argument in call to
1643         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1644         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1645         was changed from loop to loop_vinfo.
1646         (vectorizable_operation): Likewise.
1647         (vectorizable_store): Likewise.
1648         (vect_mark_stmts_to_be_vectorized): Likewise.
1649         (vect_do_peeling_for_loop_bound): First argument in call to
1650         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1651         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1652         was changed from loop to loop_vinfo.
1653         (vect_analyze_data_ref_dependences): Third argument in call to
1654         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1655
1656         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1657         (vect_create_data_ref_ptr): Likewise.
1658         (vect_init_vector): Likewise.
1659         (vect_get_vec_def_for_operand): Likewise.
1660         (vectorizable_assignment): Likewise.
1661         (vectorizable_operation): Likewise.
1662         (vectorizable_store): Likewise.
1663         (vectorizable_load): Likewise.
1664         (vect_update_ivs_after_vectorizer): Likewise.
1665         (vect_is_simple_use): Likewise.
1666         (vect_analyze_data_ref_dependence): Likewise.
1667         (vect_analyze_pointer_ref_access): Likewise.
1668         (vect_can_advance_ivs_p): Likewise.
1669
1670         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1671         before _stmt_vec_info.
1672         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1673         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1674         (new_stmt_vec_info): Argument changed from loop structure to
1675         loop_vect_info structure
1676
1677         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1678         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1679         (vect_create_addr_base_for_vector_ref): Likewise.
1680         (vect_analyze_pointer_ref_access): Likewise.
1681
1682 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1683
1684         PR tree-opt/19768
1685         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1686         phi flag if the phi is abnormal.
1687
1688 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1689
1690         PR tree-opt/19736
1691         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1692         information for the new statement.
1693
1694 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1695
1696         PR driver/19117
1697         * gcc.c (main): Include the target in -v output.
1698
1699 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1700
1701         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1702         Do not drop the extend if we'd have to add a paradoxical subreg
1703         later.  Include optabs.h and insn-codes.h.
1704         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1705
1706 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1707
1708         PR middle-end/19405
1709         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1710         * fold-const.c (const_binop): Avoid constant folding floating
1711         point operations in modes that use composite representations.
1712         * simplify-rtx.c (simplify_binary_operation): Likewise.
1713
1714 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1715
1716         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1717         a REG, not a MEM.
1718         (altivec_dstt): Likewise.
1719         (altivec_dstst): Likewise.
1720         (altivec_dststt): Likewise.
1721         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1722         of first operand.
1723
1724 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1725
1726         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1727         EXPR_LOCUS from orig_cond to the new cond_stmt.
1728         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1729         the new vec_stmt.
1730
1731 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1732
1733         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1734         standard_iv_increment_position. Remove call to bsi_next
1735         (no need to bump the iterator anymore).
1736         (vect_create_index_for_vector_ref): Call
1737         standard_iv_increment_position. Remove second function argument.
1738         (vect_finish_stmt_generation): Remove call to bsi_next
1739         (no need to bump the iterator anymore).
1740         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1741         to vect_create_index_for_vector_ref.
1742
1743 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1744
1745         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1746         phis are used out of the loop.
1747
1748 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1749
1750         PR c/17807
1751         * c-decl.c (undef_nested_function): New variable.
1752         (pop_scope): Diagnose undefined nested functions.
1753         (finish_function): Don't attempt cgraph processing or genericizing
1754         if current top-level function contained an undefined nested
1755         function.  Reset undef_nested_function at the end of a top-level
1756         function.
1757
1758 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1759
1760         * tree.c (build_int_cst_type): Take sign of the value into account
1761         when deciding whether sign extend the value.
1762
1763 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1764
1765         PR c/18502
1766         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1767         (cpp_options, cc1_options): Change %{std*&ansi} to
1768         %{std*&ansi&trigraphs}.
1769
1770 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1771
1772         * cse.c: Update comments.
1773
1774 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1775
1776         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1777         arguments go on the stack.  Do not put complex doubles in odd/even
1778         pairs.
1779
1780 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1781
1782         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1783         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1784         -ftree-pre, and -fthread-jumps.
1785
1786 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1787
1788         PR tree-optimization/19578
1789         * tree-flow.h (modified_noreturn_calls): Declare.
1790         (noreturn_call_p): Declare.
1791         * tree-flow-inline.h (noreturn_call_p): New function.
1792         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1793         * tree-cfg.c (modified_noreturn_calls): New variable.
1794         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1795         that contain a mid-block noreturn call.
1796         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1797
1798 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * df.c (df_def_record_1, df_uses_record): Don't use
1801         DF_FOR_REGALLOC.
1802         * df.h (DF_FOR_REGALLOC): Remove.
1803
1804 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1805
1806         PR c/19435
1807         * c-typeck.c (really_start_incremental_init): Reset
1808         constructor_max_index for arrays of incomplete type.
1809
1810 2005-02-02  Jeff Law  <law@redhat.com>
1811
1812         * gcse.c (struct reg_set): Store the block index where the register
1813         was set rather than the setting insn.
1814         (record_one_set, compute_transp): Corresponding changes.
1815         (pre_insert_copy_insn): Do not call replace_one_set.
1816         (replace_one_set): Remove.
1817
1818 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1819
1820         PR other/15514
1821         * doc/gcov.texi: Fix typo.
1822
1823 2005-02-01  Richard Henderson  <rth@redhat.com
1824
1825         PR target/19680
1826         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1827         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1828         type to bool.
1829         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1830         * config/i386/i386-protos.h: Update.
1831
1832 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1833
1834         PR tree-optimization/19217
1835         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1836         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1837         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1838         that it is walking a PHI node.
1839
1840 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1841
1842         * doc/extend.texi (Nested Functions): Update.
1843
1844 2005-02-01  Richard Henderson  <rth@redhat.com>
1845
1846         PR 19696
1847         * optabs.c (expand_copysign_absneg): Export.
1848         * optabs.h (expand_copysign_absneg): Declare.
1849         * config/rs6000/rs6000.md (copysigntf3): New.
1850
1851 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1852
1853         PR tree-optimization/19633
1854         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1855         * tree-ssa-alias.c (init_alias_info): Initialize.
1856         (merge_pointed_to_info): Set.
1857         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1858         (dump_points_to_info_for): Show value of pt_null.
1859         (struct count_ptr_d): Declare.
1860         (find_ptr_dereference): Remove.
1861         (ptr_is_dereferenced_by): Remove.
1862         (count_ptr_derefs): New local function.
1863         (count_uses_and_derefs): New local function.
1864         (compute_points_to_and_addr_escape): Call it.  If the number
1865         of dereferences is greater than zero, mark the pointer as
1866         dereferenced.  If there are fewer dereferences than uses of
1867         the pointer, the pointer's value escapes.
1868
1869 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1870
1871         PR tree-optimization/19670
1872         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1873         here...
1874         (verify_use): ... set it here, instead.
1875
1876 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1877
1878         * doc/sourcebuild.texi (Test directives): Fix formatting.
1879
1880         * doc/sourcebuild.texi (Test directives): Describe selector
1881         expressions.
1882
1883 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1884
1885         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1886         specific 64-bit CPUs.
1887
1888 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1889
1890         PR target/16201
1891         * arm.c (arm_eliminable_register): New function.
1892         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1893         HOST_WIDE_INT for address offsets.
1894         * arm-protos.h (arm_eliminable_register): Add prototype.
1895
1896 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1897
1898         PR optimization/15242
1899         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1900         * basic-block.h (duplicate_computed_gotos): Add prototype.
1901         * bb-reorder.c (duplicate_computed_gotos): New function to
1902         duplicate sufficiently small blocks ending in a computed jump.
1903         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1904         if not optimizing for size.
1905         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1906         never do tail merging for blocks ending in a computed jump.
1907         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1908
1909 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1910
1911         Patch from Richard Sandiford <rsandifo@redhat.com>
1912         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1913         from inheriting a subreg equivalence with a non-spill register.
1914
1915         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1916
1917 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1918
1919         * config/frv/frv.c (movcc_fp_destination_operand): New.
1920         (gpr_or_memory_operand): Fix typo in comment.
1921         (gpr_or_memory_operand_with_scratch): New.
1922         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1923         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1924         movcc_fp_destination_operand.
1925         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1926         Legitimize memory addresses using a scratch register.
1927
1928 2005-01-31  Jeff Law  <law@redhat.com>
1929
1930         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1931         bitmap a sparse bitmap instead of a simple bitmap.
1932         (mark_def_sites_initialize_block):  Corresponding changes.
1933         (ssa_mark_def_sites_initialize_block): Likewise.
1934         (ssa_mark_phi_uses): Likewise.
1935         (mark_def_site, ssa_mark_def_sites): Likewise.
1936         (mark_def_site_blocks): Likewise.
1937         (rewrite_ssa_into_ssa): Likewise.
1938
1939         * tree-ssa-dom.c (record_cond): Pass correct variable type
1940         for last argument to htab_find_slot_with_hash.
1941
1942         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1943         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1944
1945 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1946
1947         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1948         1_mmalua.
1949
1950 2005-02-01  Eric Christopher  <echristo@redhat.com>
1951
1952         * config/mips/mips.c (override_options): Warn if -mint64
1953         is used.
1954         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1955         deprecated.
1956
1957 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1958
1959         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1960         timestamp.
1961         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1962         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1963         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1964         (cached_regno): Initialize to INVALID_REGNUM.
1965         (cse_reg_info_table_size,
1966         cse_reg_info_table_first_uninitialized,
1967         cse_reg_info_timestamp): New.
1968         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1969         get_cse_reg_info.
1970         (init_cse_reg_info, get_cse_reg_info_1): New.
1971         (get_cse_reg_info): Cache the last look-up.
1972         (new_basic_block): Update the code to clear mappings from
1973         registers to cse_reg_info entries.
1974         (cse_main): Call init_cse_reg_info.
1975
1976         * cse.c (get_cse_reg_info): Update a comment.
1977
1978 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1979
1980         PR c/19333
1981         * c-decl.c (start_decl): Do not warn about arrays of elements with
1982         an incomplete type here.
1983         (grokdeclarator): Do it here by making a pedwarn an error.
1984         * c-typeck.c (push_init_level): If there were previous errors with
1985         the constructor type, do not warn about braces for initializers.
1986         (process_init_element): Likewise for excess initializer elements.
1987
1988 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1989
1990         * cse.c (delete_trivially_dead_insn): Don't iterate.
1991
1992 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1993
1994         * config/rs6000/rs6000.md (copysignsf3): New expand.
1995         (copysigndf3): Likewise.
1996
1997 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1998
1999         * recog.c (constrain_operands): Only look for earlyclobber operand
2000         conflicts if an '&' constraint was seen.
2001
2002 2005-01-31  Marc Espie <espie@openbsd.org>
2003
2004         * config.gcc: Don't include embedded systems fragment, switches default
2005         debugging format to ELF.
2006         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2007         longer pick it up there.
2008
2009 2005-01-31  Dale Johannesen  <dalej@apple.com>
2010
2011         * doc/extend.texi (nested functions): Fix linkage description.
2012         Clarify that static is not allowed.
2013
2014 2005-01-31  Dale Johannesen  <dalej@apple.com>
2015
2016         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2017         (movdf_low_di):  Make work.
2018
2019 2005-01-31  Dale Johannesen  <dalej@apple.com>
2020
2021         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2022         Make work for 64 bit.
2023
2024 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2025             Dale Johannesen  <dalej@apple.com>
2026
2027         PR middle-end/19650
2028         * fold-const.c (fold_binary_op_with_conditional_arg):
2029         Make types match original operands, before STRIP_NOPS.
2030
2031 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2032
2033         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2034         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2035         (struct gcc_sigcontext): Delete.  Merge contents to..
2036         (struct gcc_ucontext): ..here.
2037         (get_sigcontext): Delete.
2038         (get_regs): New function, like get_sigcontext but return regs ptr.
2039         64-bit version finds regs from r1 to support vdso.
2040         (ppc_linux_aux_vector): New function.
2041         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2042         and vector regs.
2043
2044 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2045
2046         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2047         sizetype.
2048         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2049         redundant fold. Fix misalignment for MINUS_EXPR.
2050         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2051         (vect_analyze_pointer_ref_access): Likewise.
2052         (vect_get_memtag_and_dr): Likewise.
2053
2054 2005-01-31  Richard Henderson  <rth@redhat.com>
2055
2056         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2057         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2058         absnegdf2_i387, absnegxf2_i387): Likewise.
2059
2060 2005-01-31  Richard Henderson  <rth@redhat.com>
2061
2062         PR 19696
2063         * optabs.c (expand_copysign_absneg): New.
2064         (expand_copysign_bit): Split out from ...
2065         (expand_copysign): ... here.  Use expand_copysign_absneg.
2066
2067 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2068
2069         PR middle-end/19697
2070         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2071         constant as the second operand and a register as the third.
2072
2073 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2074
2075         PR target/19704
2076         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2077         that dllimport'd functions do not use all call-clobbered registers
2078         to pass parameters.
2079
2080 2005-01-30  Richard Henderson  <rth@redhat.com>
2081
2082         PR 19696
2083         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2084         expand_abs_nojump and generalize.  Use operand_subword and
2085         emit_no_conflict_block.  Support large modes.
2086         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2087         back to maximum.
2088         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2089         negation to subtraction.
2090         (expand_copysign): Check that the format has signed zeros.
2091         Use operand_subword and emit_no_conflict_block.  Support large modes.
2092
2093 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2094
2095         Fix PR tree-optimization/19624
2096
2097         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2098         * tree-ssa-pre.c: Add cfgloop.h.
2099         Update comment.
2100         (pre_stats): New member, constified.
2101         (inserted_exprs): New static variable.
2102         (NECESSARY): New macro.
2103         (create_expression_by_pieces): Fold the expression, and
2104         mark it as defaulting to not necessary. Also put in
2105         inserted_exprs.
2106         (fully_constant_expression): New function.
2107         (insert_into_preds_of_block): Modify to not insert phis when we
2108         are playing with induction variables.
2109         Push phis onto the inserted_exprs vector, and mark them as not
2110         necessary by default.
2111         (insert_aux): Call fully_constant_expression on eprime.
2112         If all edges produce the same value, mark it constant.
2113         (mark_operand_necessary): New function.
2114         (remove_dead_inserted_code): New function.
2115         (init_pre): Init loop optimizer to get loop info.
2116         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2117         (execute_pre): Commit edge inserts, then remove dead code.
2118
2119 2005-01-30  Richard Henderson  <rth@redhat.com>
2120
2121         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2122         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2123
2124 2005-01-30  Richard Henderson  <rth@redhat.com>
2125
2126         PR target/19700
2127         * config/i386/i386.c (ix86_expand_copysign): New.
2128         (ix86_split_copysign_const): New.
2129         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2130         rearrange op1/nmask operands.
2131         * config/i386/i386-protos.h: Update.
2132         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2133         (copysigndf3): Likewise.
2134         (copysignsf3_const, copysigndf3_const): New.
2135         (copysignsf3_var): Rename from copysignsf3, split out splitter
2136         and fix split predicate for X constraint.
2137         (copysigndf3_var): Similarly.
2138
2139 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2140
2141         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2142         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2143         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2144
2145 2005-01-29  Richard Henderson  <rth@redhat.com>
2146
2147         PR target/19690
2148         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2149         of # and * in constraints.
2150
2151 2005-01-29  Richard Henderson  <rth@redhat.com>
2152
2153         PR middle-end/19689
2154         * expr.c (store_field): Don't strip sub-mode cast when the input
2155         data is even smaller.
2156
2157 2005-01-29  Richard Henderson  <rth@redhat.com>
2158
2159         PR middle-end/19687
2160         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2161         union being empty.
2162
2163 2005-01-29  Richard Henderson  <rth@redhat.com>
2164
2165         * combine.c (make_field_assignment): Fix argument order
2166         to gen_int_mode.
2167
2168 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2169
2170         PR tree-optimization/15791
2171         * fold-const.c (extract_array_ref): New function.
2172         (fold): Fold comparisons between &a[i] and &a[j] or
2173         semantically equivalent trees.
2174
2175 2005-01-29  Jeff Law  <law@redhat.com>
2176
2177         * gcse.c (insert_expr_in_table): Revamp handling of available
2178         and anticipatable occurrence lists to avoid unnecessary list
2179         walking.
2180         (insert_set_in_table): Similarly.
2181
2182 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2183
2184         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2185         build string type.
2186         (c_build_qualified_type): Build qualified array types with
2187         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2188         * c-decl.c (c_make_fname_decl): Build unqualified array type
2189         before qualified type.
2190         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2191         type is qualified, not just if type itself is.  Don't apply
2192         qualifiers to array type when declarator is processed.  Apply
2193         qualifiers to field type whether or not it is an array type.
2194         Don't handle array types specially for applying qualifiers to
2195         variables.
2196         * c-typeck.c (composite_type): Build unqualified element type and
2197         array type when forming composite of array types.
2198         (common_pointer_type, comptypes, comp_target_types,
2199         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2200         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2201         types.
2202         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2203         (args2) in variables a1 and a2.
2204
2205 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2206
2207         * cse.c (n_elements_made, max_elements_made): Remove.
2208         (insert): Don't touch n_elements_made.
2209         (cse_main): Don't touch n_elements_made or max_elements_made.
2210
2211 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2212
2213         PR target/15384
2214         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2215         configuration part of dp-bit.c to be lost.
2216
2217 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2218
2219         * expmed.c (expand_mult_highpart_optab): When attempting to use
2220         a non-widening multiplication in a wider mode, the operands need
2221         to be converted (zero or sign extended) to that mode.
2222
2223 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2224
2225         PR middle-end/16558
2226         PR middle-end/19583
2227         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2228         through if both operands fall through.
2229
2230 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2231
2232         * cse.c (fold_rtx) <PC>: Don't optimize.
2233
2234 2005-01-28  Jeff Law  <law@redhat.com>
2235
2236         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2237         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2238
2239 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2240
2241         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2242         cse_reg_info_used_list_end): Remove.
2243         (cse_reg_info_list, cse_reg_info_list_free): New.
2244         (get_cse_reg_info): When allocating an instance of
2245         cse_reg_info, add it to the beginning of the cse_reg_info_list
2246         list.  Remove code to maintain cse_reg_info_used_list.
2247         (new_basic_block): Reset the free list to the beginning of
2248         cse_reg_info_list.
2249
2250 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2251
2252         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2253         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2254         (frv_expand_mdpackh_builtin): New function.
2255         (frv_expand_builtin): Use it to expand __MDPACKH.
2256         * doc/extend.texi (__MDPACKH): Update documentation.
2257
2258 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2259
2260         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2261         SSE_FLOAT_MODE_P for use_sse computation.
2262
2263 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2264
2265         PR target/19663
2266         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2267
2268 2005-01-27  Richard Henderson  <rth@redhat.com>
2269
2270         * builtins.c (expand_builtin_copysign): New.
2271         (expand_builtin): Call it.
2272         * genopinit.c (optabs): Add copysign_optab.
2273         * optabs.c (init_optabs): Initialize it.
2274         (expand_copysign): New.
2275         * optabs.h (OTI_copysign, copysign_optab): New.
2276         (expand_copysign): Declare.
2277
2278         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2279         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2280
2281         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2282         (ix86_expand_fp_absneg_operator): ... here.
2283         (ix86_split_copysign): New.
2284         * config/i386/i386-protos.h: Update.
2285         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2286         (copysignsf3, copysigndf3): New.
2287
2288         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2289         (copysignsf3, ncopysignsf3): New.
2290         (copysigndf3, ncopysigndf3): New.
2291         (copysignxf3, ncopysignxf3): New.
2292         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2293
2294 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2295             Kazu Hirata  <kazu@cs.umass.edu>
2296
2297         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2298         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2299         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2300         NULL_RTX.
2301
2302 2005-01-27  Jeff Law  <law@redhat.com>
2303
2304         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2305         definitions of SSA_NAMEs which are not being rewritten.
2306         (rewrite_ssa_into_ssa): Only initialize the current definition
2307         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2308         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2309         SSA_NAMEs before returning.
2310
2311 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2312
2313         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2314         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2315         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2316         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2317         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2318
2319 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2320
2321         PR middle-end/17278
2322         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2323         higher to -O2 and higher.  Likewise for tree PRE.
2324         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2325         and better.
2326
2327 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2328
2329         PR middle-end/19583
2330         * gimple-low.c (try_catch_may_fallthru): New static function.
2331         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2332         * tree-inline.c (expand_call_inline): Don't warn about reaching
2333         the end of a non-void function being inlined if the function uses
2334         a return slot.
2335
2336 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2337
2338         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2339
2340         PR c/18946
2341         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2342         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2343         (implicitly_declare): Handle error_mark_node.
2344
2345 2005-01-27  Richard Henderson  <rth@redhat.com>
2346
2347         PR tree-opt/14329
2348         * tree.h (struct tree_decl): Add debug_expr_is_from.
2349         (DECL_DEBUG_EXPR_IS_FROM): New.
2350         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2351         * dwarf2out.c (dwarf2out_var_location): Update to match.
2352         * tree-outof-ssa.c (create_temp): Likewise.
2353         * var-tracking.c (track_expr_p): Likewise.
2354         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2355         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2356         * toplev.c (default_tree_printer): Likewise.
2357
2358 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2359
2360         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2361         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2362
2363 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2364
2365         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2366         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2367         ASM_CLOBBERS): Add tree checks.
2368
2369         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2370         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2371         * c-common.def (SWITCH_STMT): Update to match.
2372         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2373         macros instead of SWITCH_EXPR ones.
2374         * c-dump.c (c_dump_tree): Likewise.
2375         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2376         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2377
2378         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2379
2380 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2381
2382         * unwind-dw2.c (execute_stack_op): Add missing cases for
2383         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2384
2385 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2386
2387         * config.gcc (Obsolete configurations): Remove 'dummy', add
2388         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2389         sparc-*-openbsd*.
2390
2391 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2392
2393         PR tree-optimization/19633
2394         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2395         CALL_EXPRs.
2396         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2397         are no call-clobbered variables.
2398         * tree-outof-ssa.c (check_replaceable): Return false for calls
2399         with side-effects.
2400
2401 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2402
2403         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2404         even for variables with NULL DECL_INITIAL.
2405
2406 2005-01-26  Stuart Hastings  <stuart@apple.com>
2407
2408         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2409
2410 2005-01-26  Richard Henderson  <rth@redhat.com>
2411
2412         PR middle-end/18008
2413         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2414         field's type.
2415         * expr.c (store_field): Strip conversions to odd-bit-sized types
2416         if the destination field width matches.
2417
2418 2005-01-26  Richard Henderson  <rth@redhat.com>
2419
2420         * c-decl.c, expmed.c, expr.c: Revert last change.
2421
2422 2005-01-26  Richard Henderson  <rth@redhat.com>
2423
2424         PR middle-end/18008
2425         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2426         field's type.
2427         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2428         if we don't need the bits above those present in the current mode.
2429         * expr.c (store_field): Strip conversions to odd-bit-sized types
2430         if the destination field width matches.
2431
2432 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2433
2434         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2435         either -ffast-math or -funsafe-math-optimizations is in use.
2436
2437 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2438
2439         PR target/19293
2440         PR target/19329
2441         * config/avr/avr.c (notice_update_cc): Only set condition code for
2442         ashrqi3 if shift count > 0.
2443         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2444         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2445         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2446         count <= 0 as a no-op, and shift count >= width by copying zero
2447         or sign bit to all bits of the result.
2448         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2449         count, with attribute "length" set to 0 and "cc" set to "none".
2450
2451 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2452
2453         * doc/invoke.texi: Document -mTLS.
2454
2455         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2456         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2457         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2458         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2459         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2460         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2461         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2462         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2463
2464         * configure.ac: Check for a TLS capable gas.
2465
2466         * configure: Regenerate.
2467
2468 2005-01-26  Richard Henderson  <rth@redhat.com>
2469
2470         PR middle-end/18008
2471         * combine.c (make_field_assignment): Simplify store to zero_extract
2472         from a source with an overlapping mask.
2473
2474 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2475
2476         2004-11-11  Eric Christopher  <echristo@redhat.com>
2477
2478         * config/frv/frv.md: Add fr400_integer automaton. Don't
2479         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2480         to TYPE_MACC.
2481
2482 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2483
2484         PR middle-end/16585
2485         * cfgbuild.c (make_edges): Do not clear or set
2486         current_function_has_computed_jump.
2487         * function.h (struct function): Remove the has_computed_jump field.
2488         (current_function_has_computed_jump): Do not define.
2489         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2490         in a computed jump.  Ignore current_function_has_computed_jump.
2491
2492 2005-01-26  Richard Henderson  <rth@redhat.com>
2493
2494         PR middle-end/19515
2495         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2496         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2497         fully initialized.
2498         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2499         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2500         objects into static storage if they have more than one non-zero value.
2501         * tree.h (categorize_ctor_elements): Update decl.
2502
2503 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2504
2505         PR middle-end/19616
2506         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2507         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2508         to this function from 2004-07-10.
2509         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2510         the current function for tail call optimizations if the address
2511         of one of it its arguments is taken.
2512
2513 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2514
2515         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2516
2517 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2518
2519         * function.c (expand_function_end): If current_function_calls_alloca,
2520         emit stack restore in a place that is reached when the function falls
2521         through at the end.
2522
2523 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2524
2525         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2526         rule to avoid matching inappropriate suffix rule.
2527
2528 2005-01-26  Jan Hubicka  <jh@suse.cz>
2529
2530         PR tree-optimization/19241
2531         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2532
2533 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2534
2535         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2536         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2537         of doubling.
2538         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2539         <sim*>: Always use crt1.o, regardless of N in simN.
2540         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2541         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2542         (CRT_CALL_STATIC_FUNCTION): Remove.
2543         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2544         use crt1.o, regardless of N in simN.
2545         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2546         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2547         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2548         case isystem setting.
2549         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2550
2551 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2552
2553         * gimple-low.c (block_may_fallthru): Correct handling of
2554         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2555
2556 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2557
2558         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2559         handlers to match indentation; nested under the mtune=* handler.
2560         Similar for mcpu= and march=.
2561
2562 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2563
2564         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2565         * config/mips/linux64.h (LIB_SPEC): Likewise.
2566         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2567         * config/sh/linux.h (LIB_SPEC): Likewise.
2568
2569 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2570
2571         * config/frv/frv.c (frv_legitimize_tls_address): New.
2572         (TARGET_HAVE_TLS): Define.
2573         (FRV_SYMBOL_REF_TLS_P): Define.
2574         (frv_override_options): Handle new register classes.
2575         (frv_legitimate_address_p): Reject tls addresses.
2576         (frv_legitimize_address): Handle TLS addresses.
2577         (gen_inlined_tls_plt): New.
2578         (gen_tlsmoff): New.
2579         (frv_legitimize_tls_address): New.
2580         (unspec_got_name): Add TLS entries.
2581         (got12_operand): Add R_FRV_TLSMOFF12 case.
2582         (frv_emit_move): Fixup TLS addresses.
2583         (frv_emit_movsi): Legitimize TLS addresses.
2584
2585         * config/frv/frv.h (MASK_BIG_TLS): New.
2586         (TARGET_BIG_TLS): New.
2587         (HAVE_AS_TLS): Define.
2588         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2589         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2590         (REG_CLASS_NAMES): Same.
2591         (REG_CLASS_CONTENTS): Same.
2592         (CONSTRAINT_LEN): New.
2593         (REG_CLASS_FROM_CONSTRAINT): New.
2594         (PREDICATE_CODES): Add symbolic_operand.
2595
2596         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2597         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2598         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2599         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2600         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2601         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2602         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2603         GR9_REG, GR14_REG, LRREG.
2604         (type): Add load_or_call attribute.
2605         ("load_or_call"): New reservation.
2606         ("call_gettlsoff"): New.
2607         ("tls_indirect_call"): New.
2608         ("tls_load_gottlsoff12"): New.
2609         ("tlsoff_hilo"): New.
2610         ("tls_tlsdesc_ldd"): New.
2611         ("tls_tlsoff_ld"): New.
2612         ("tls_lddi"): New.
2613
2614         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2615
2616         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2617
2618         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2619         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2620         * config/frv/frv.c (TLS_BIAS): Define.
2621         (frv_output_dwarf_dtprel): New.
2622
2623 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR rtl-optimization/19579
2626         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2627         both A and B, see if they don't clobber registers the other expr uses.
2628
2629 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2630
2631         * real.c (do_add): Initialize signalling and canonical members.
2632
2633         * real.c (real_from_integer): Zero out destination.
2634
2635 2005-01-18  Jan Hubicka  <jh@suse.cz>
2636
2637         PR tree-optimize/19337
2638         * tree-inline.c (initialize_inlined_parameters): Copy
2639         saved_static_chain_decl only.
2640
2641 2005-01-25  Richard Henderson  <rth@redhat.com>
2642
2643         PR target/19556
2644         PR target/19584
2645         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2646         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2647         80387 enabled, to return a proper subclass.  Return the subset that
2648         overlaps with GENERAL_REGS for PLUS.
2649         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2650
2651 2005-01-25  Richard Henderson  <rth@redhat.com>
2652
2653         PR middle-end/19609
2654         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2655
2656 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2657
2658         * expmed.c (choose_multiplier): Change interface to return the
2659         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2660         (expand_divmod): Update calls to choose_multiplier.
2661
2662 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2663
2664         PR middle-end/19330
2665         * expmed.c (extract_bit_field): Use adjust_address instead of
2666         gen_lowpart when op0 is a MEM.
2667
2668 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2669
2670         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2671
2672 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2673
2674         * config/mips/irix-csr.c: New file.
2675         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2676         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2677         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2678         executables.
2679
2680 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2681
2682         PR bootstrap/19364
2683         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2684         sparc/elf.h, add sparc/sp-elf.h.
2685         (sparc-*-rtems*): Likewise.
2686         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2687         tm-dwarf2.h, add sparc/sp-elf.h.
2688         (sparc86x-*-elf): Likewise.
2689         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2690         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2691         TARGET_OS_CPP_BUILTINS.
2692         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2693         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2694         Undefine it.
2695         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2696         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2697         (SWITCH_TAKES_ARG): Likewise.
2698         (LOCAL_LABEL_PREFIX): Likewise.
2699         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2700         (TARGET_N_FORMAT_TYPES): Delete.
2701         (TARGET_FORMAT_TYPES): Likewise.
2702         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2703         * config/sparc/elf.h: Delete.
2704         * config/sparc/sp-elf.h: New file.
2705
2706 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2707
2708         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2709         * tree-flow.h: Remove the corresponding prototype.
2710         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2711         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2712
2713 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR target/17751
2716         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2717         for AIX ABI or ELF -fPIC.
2718         (rs6000_emit_load_toc_table): Don't create toc_section here.
2719         (rs6000_xcoff_file_start): Nor here.
2720
2721 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2722
2723         * sh.c (ra.h): Don't #include.
2724         (hard_regs_intersect_p): New function, resurrected from ra.c.
2725
2726         * sh.c: Fix 1996 Copyright.
2727
2728 2005-01-24  Richard Henderson  <rth@redhat.com>
2729             Aldy Hernandez  <aldyh@redhat.com>
2730
2731         * regrename.c (note_sets): Handle subregs.
2732
2733 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2734
2735         PR bootstrap/18058
2736         * genconditions.c (write_header, write_conditions): Elide file if
2737         not GCC >= 3.0.1.
2738
2739 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2740
2741         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2742         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2743         Update copyright.
2744
2745 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2746
2747         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2748         expand_builtin_printf, expand_builtin_fprintf,
2749         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2750         checking against POINTER_TYPE.
2751         (validate_arglist): Handle POINTER_TYPE code by checking
2752         POINTER_TYPE_P.
2753
2754 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2755
2756         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2757         init_rtlanal): New.
2758         (for_each_rtx): Call for_each_rtx_1.
2759         * rtl.h (init_rtlanal): Declare.
2760         * toplev.c (backend_init): Call init_rtlanal.
2761
2762 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2763
2764         * flow.c (propagate_one_insn): Formatting.
2765
2766         PR middle-end/19551
2767         * flow.c (libcall_dead_p): Be more conservative if unsure.
2768         If there are any instructions between insn and call, see if they are
2769         all dead before saying the libcall is dead.
2770
2771 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2772
2773         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2774         operand constraint for operand 0.
2775
2776 2005-01-23  Richard Henderson  <rth@redhat.com>
2777
2778         PR 19486
2779         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2780         edges leading to join block.
2781
2782 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2783
2784         * expmed.c (expand_mult_highpart): Make static.  Change type of
2785         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2786         (expand_divmod): Updates calls to expand_mult_highpart by using
2787         gen_int_mode to pass a CONST_INT rtx.
2788         * rtl.h (expand_mult_highpart): Remove prototype.
2789
2790 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2791
2792         * flow.c (regset_bytes, regset_size): Remove.
2793
2794         * cfganal.c: Fix a reference to Harvey's paper.
2795
2796 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2797
2798         PR rtl-optimization/19464
2799         * tree-optimize.c (init_tree_optimization_passes): Add one more
2800         copyrename pass just before out-of-ssa.
2801
2802 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2803
2804         PR bootstrap/18058
2805         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2806         * ggc-none.c (ggc_free): Define.
2807
2808 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2809
2810         * cse.c (max_reg, max_insn_uid): Remove.
2811         (cse_main): Don't access max_reg or max_insn_uid.
2812
2813         * c-common.c (explicit_flag_signed_bitfields,
2814         lang_statement_code_p, lang_expand_function_end): Remove.
2815         * c-common.h: Remove the corresponding declarations.
2816         * c-opts.c (c_common_handle_option): Remove all write access
2817         to explicit_flag_signed_bitfields.
2818
2819         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2820         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2821         * cgraph.h: Remove the corresponding declaration.
2822
2823         * gcse.c (null_pointer_info): Remove.
2824
2825 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2826             Eric Botcazou  <ebotcazou@libertysurf.fr>
2827
2828         * combine.c (simplify_logical): Only simplify logical expressions
2829         of the form ior(and(x,y),z) by the inverse distributive law if the
2830         result is cheaper than the original.
2831
2832 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2833
2834         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2835         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2836         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2837         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2838         config/freebsd-spec.h, config/arm/arm.h,
2839         config/h8300/h8300.md, config/i386/i386.md,
2840         config/i386/predicates.md, config/i386/sse.md,
2841         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2842         config/vax/vax.md: Fix comment typos.  Follow spelling
2843         conventions.
2844
2845 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2846
2847         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2848         tests, instead of `less than'.
2849
2850 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2851
2852         * function.c (assign_parm_setup_block): When creating a new stack slot
2853         for a parameter, get its alignment from the parameter's DECL_ALIGN
2854         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2855         is at least word aligned.
2856
2857 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2858
2859         PR middle-end/19378
2860         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2861
2862 2005-01-22  Richard Henderson  <rth@redhat.com>
2863
2864         PR target/19506
2865         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2866         in both compare operands.
2867         (movdfcc_1_sse_max): Likewise.
2868         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2869         (movdfcc_1_sse): Likewise.
2870         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2871         scratch register as needed.
2872
2873 2005-01-22  Richard Henderson  <rth@redhat.com>
2874
2875         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2876
2877         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2878
2879 2005-01-22  Richard Henderson  <rth@redhat.com>
2880
2881         * genopinit.c (optabs): Use smin/smax for floating point too.
2882         * doc/md.texi: Update to match.  Clarify that floating point
2883         results are undefined for +0/-0 and NaN.
2884         * doc/rtl.texi: Likewise.
2885         * rtl.def (SMIN, SMAX): Likewise
2886         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2887
2888         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2889         leading 's' to the name.
2890         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2891         smaxxf3, sminxf3): Likewise.
2892         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2893         Likewise.
2894
2895 2005-01-22  Paul Brook  <paul@codesourcery.com>
2896
2897         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2898
2899 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2900
2901         * config/s390/s390.c (struct processor_costs): New fields
2902         dlgr, dlr, dr, dsgfr, dsgr.
2903         (z900_cost, z990_cost): Values for new fields.
2904         (s390_rtx_costs): New cases MEM und COMPARE in switch
2905         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2906         DIV, MOD, UDIV, UMOD.
2907
2908 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2909
2910         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2911         into the register being decremented.
2912         ("doloop_si31", "doloop_di"): Likewise.
2913         ("*doloop_si_long"): Adapt pattern.
2914
2915 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2916
2917         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2918         access registers.
2919         (CLASS_MAX_NREGS): Likewise.
2920
2921 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2922
2923         * doc/tree-ssa.texi (Statement Operands): Add example for new
2924         must-def macro. Note deprecation of old operands interface.
2925
2926 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2927
2928         PR tree-optimization/19484
2929         * tree-cfg.c (remove_fallthru_edge): New function.
2930         (cleanup_control_flow): Remove fallthru edges from calls that are
2931         now known not to return.
2932
2933 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2934
2935         Fix PR tree-optimization/19038
2936         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2937         copies with loop variant ones.
2938
2939 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2940
2941         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2942         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2943         config/alpha/alpha.md, config/alpha/predicates.md,
2944         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2945         config/sparc/sol2.h: Update copyright.
2946
2947         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2948         first label to see if it is a nonlocal label.
2949
2950 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2951             Andrew Pinski  <pinskia@physics.uc.edu>
2952
2953         PR target/19491
2954         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2955         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2956
2957 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2958
2959         * config/rs6000/rtems.h: Update copyright.
2960
2961 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2962
2963         PR target/19548
2964         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2965         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2966         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2967
2968 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2969
2970         PR c/18809
2971         * c-typeck.c (convert_arguments): Check for error_mark_node.
2972
2973 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2974
2975         PR tree-optimization/13000
2976         * tree-inline.c: Include "tree-flow.h".
2977         (expand_call_inline): If warn_return_type, warn if non-void inline
2978         function falls through.
2979         * tree-cfg.c (execute_warn_function_return): Don't warn about
2980         control reaching end if TREE_NO_WARNING is set.  Set
2981         TREE_NO_WARNING.
2982         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2983         has been lowered.
2984         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2985         branch if we don't need one.
2986         * c-typeck.c: Include "tree-flow.h"
2987         (c_finish_bc_stmt): Don't add a goto if the current statement
2988         list doesn't fall through to the current point.
2989
2990 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2991
2992         PR rtl-optimization/576
2993         * real.c (real_arithmetic): Change return type from void to bool
2994         to return an indication that the result may be inexact.
2995         * real.h (real_arithmeric): Update prototype.
2996         * fold-const.c (const_binop):  Don't constant fold floating
2997         point expressions when the user specifies -frounding-math and
2998         the result may depend upon the run-time rounding mode.
2999         (fold_convert_const_real_from_real): Clean-up.
3000         (fold_initializer): Ignore flag_rounding_math for initializers.
3001         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3002         constant fold FP operations with flag_rounding_math if the
3003         result may depend upon the run-time rounding mode.
3004
3005 2005-01-21  Tom Tromey  <tromey@redhat.com>
3006
3007         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3008
3009 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3010
3011         * tree-cfg.c: Fix comment typos.
3012
3013 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3014
3015         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3016         around the call to rest_of_handle_branch_target_load_optimize.
3017
3018 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3019
3020         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3021         (sparc64-*-openbsd*): Likewise.
3022         (sparclite-*-elf*): Include tm-dwarf2.h.
3023         (sparc86x-*-elf*): Likewise.
3024         (sparc64-*-elf*): Likewise.
3025         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3026         (DBX_DEBUGGING_INFO): Likewise.
3027         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3028         (PREFERRED_DEBUGGING_TYPE): Likewise.
3029         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3030         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3031         (PREFERRED_DEBUGGING_TYPE): Likewise.
3032         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3033         (PREFERRED_DEBUGGING_TYPE): Likewise.
3034         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3035
3036 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3037
3038         PR target/18701
3039         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3040
3041 2005-01-20  Paul Brook  <paul@codesourcery.com>
3042
3043         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3044
3045 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3046
3047         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3048         label is first in a sequence of labels.
3049
3050         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3051
3052 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3053             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3054
3055         * doc/sourcebuild.texi (Test Directives): New.
3056
3057 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3058
3059         * real.c (real_floor): Don't leave the result uninitialized when
3060         mode is VOIDMode, but return the unrounded intermediate value.
3061         (real_ceil): Likewise.
3062
3063 2005-01-20  Paul Brook  <paul@codesourcery.com>
3064
3065         * config/arm/arm.md (insv): Use gen_int_mode.
3066
3067 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3068
3069         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3070         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3071         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3072         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3073         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3074
3075 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3076
3077         Fix PR debug/19124
3078         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3079         fbreg, so we have to assume we can't.
3080         (loc_descriptor_from_tree_1): Ditto.
3081         (containing_function_has_frame_base): New function.
3082         (add_location_or_const_value_attribute): Use it.
3083         Also try to generate a frame_base from a single element location
3084         list.
3085
3086 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3087
3088         PR tree-optimization/15349
3089         * timevar.def (TV_TREE_MERGE_PHI): New.
3090         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3091         PHI_WANTED.
3092         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3093         calls to tree_forwarder_block_p.
3094         (remove_forwarder_block_with_phi, merge_phi_nodes,
3095         gate_merge_phi, pass_merge_phi): New.
3096         * tree-optimize.c (init_tree_optimization_passes): Add
3097         pass_merge_phi.
3098         * tree-pass.h: Add an extern for pass_merge_phi;
3099
3100 2005-01-20  Richard Henderson  <rth@redhat.com>
3101
3102         PR target/19418
3103         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3104         (_mm_castps_pd, _mm_castps_si128): New.
3105         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3106
3107 2005-01-20  Richard Henderson  <rth@redhat.com>
3108
3109         PR target/19530
3110         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3111         __builtin_ia32_vec_init_v2si.
3112         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3113         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3114         (ix86_init_mmx_sse_builtins): Create it.
3115         (ix86_expand_builtin): Expand it.
3116         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3117         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3118         (vec_extractv2si_0, vec_extractv2si_1): New.
3119
3120 2005-01-20  Richard Henderson  <rth@redhat.com>
3121
3122         PR target/16533
3123         * config/i386/i386.c (ix86_expand_push): New.
3124         * config/i386/mmx.md (push<MMXMODE>1): New.
3125         * config/i386/sse.md (push<SSEMODE>1): New.
3126         * config/i386/i386-protos.h: Update.
3127
3128 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3129
3130         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3131         copyright.
3132
3133 2005-01-20  Richard Henderson  <rth@redhat.com>
3134
3135         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3136         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3137
3138 2005-01-19  Richard Henderson  <rth@redhat.com>
3139
3140         PR target/19350
3141         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3142         to V4SFmode in SSE1 fallback load path.
3143
3144 2005-01-19  Richard Henderson  <rth@redhat.com>
3145
3146         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3147         in QImode expansion to ix86_expand_vector_set.
3148         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3149
3150 2005-01-19  Richard Henderson  <rth@redhat.com>
3151
3152         PR target/19511
3153         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3154         subclass of the input class.
3155         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3156         Always true for cross-SSE1 classes.  Rationalize conditionals.
3157         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3158         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3159         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3160         (movdi_2): Add MMX/SSE zeros.
3161         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3162         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3163         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3164         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3165         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3166         (zero_extendsidi2_rex64_1): Remove.
3167         (MOV0 peephole): Check GENERAL_REG_P.
3168
3169 2005-01-19  Richard Henderson  <rth@redhat.com>
3170
3171         PR target/19427
3172         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3173         shufps elements.
3174         (ix86_expand_vector_extract): Likewise.
3175
3176 2005-01-19  Richard Henderson  <rth@redhat.com>
3177
3178         PR middle-end/19304
3179         * expr.c (emit_move_change_mode): New argument force; use
3180         simplify_gen_subreg if true.
3181         (emit_move_via_alt_mode): Merge into ...
3182         (emit_move_via_integer): ... here.
3183         (emit_move_ccmode): Use emit_move_change_mode directly.
3184
3185 2005-01-19  Richard Henderson  <rth@redhat.com>
3186
3187         PR target/19518
3188         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3189         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3190         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3191         rtl if true.
3192         (alpha_emit_set_const): Likewise.  Make static.
3193         (alpha_emit_set_long_const): Make static.
3194         (alpha_extract_integer): Split out from alpha_expand_mov.
3195         (alpha_split_const_mov): Likewise.
3196         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3197         (alpha_legitimate_constant_p): New.
3198         * config/alpha/alpha-protos.h: Update.
3199         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3200         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3201         * config/alpha/alpha.md (movsi): Add n alternative.
3202         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3203         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3204         (splitters for all of the above): Use alpha_split_const_mov.
3205         * config/alpha/predicates.md (non_add_const_operand): New.
3206         (non_zero_const_operand): New.
3207         (input_operand): Use alpha_legitimate_constant_p after reload.
3208
3209 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3210
3211         PR tree-optimization/19038
3212         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3213         (add_candidate): Add ivs with increment in latch only if
3214         allow_ip_end_pos_p is true.
3215         (determine_iv_cost): Use empty_block_p.
3216
3217 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3218
3219         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3220         (compute_dominance_frontiers): Ditto.
3221
3222 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3223
3224         PR target/19529
3225         * config/sh/t-rtems: New.
3226         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3227
3228 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3229
3230         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3231         the offset of the selected field.
3232
3233 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * tree-cfg.c (remove_forwarder_block): Fix the check to
3236         prevent a nonlocal label from appearing in the middle of a
3237         basic block.
3238
3239 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3240
3241         PR rtl-optimization/19462
3242         * reorg.c (find_end_label): Create return insn only if
3243         current_function_epilogue_delay_list is empty.
3244
3245 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3246
3247         * doc/passes.texi: Remove paragraph mentioning new-ra.
3248
3249 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR rtl-optimization/15139
3252         * combine.c: Include params.h.
3253         (count_rtxs): New function.
3254         (record_value_for_reg): If replace_rtx would replace at least
3255         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3256         (clobber (const_int 0)) instead of TEM.
3257         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3258         * params.h (MAX_LAST_VALUE_RTL): New.
3259         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3260         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3261
3262         PR c/17297
3263         * c-typeck.c (digest_init): Only call build_vector if all constructor
3264         elements are *_CST nodes.
3265         * gimplify.c (gimplify_init_constructor): Likewise.
3266
3267         PR middle-end/19164
3268         * c-typeck.c (digest_init): Only call build_vector if inside_init
3269         is a CONSTRUCTOR.
3270
3271 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3272
3273         * toplev.c (init_asm_output): Remove dead #ifdef.
3274
3275 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3276
3277         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3278
3279 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3280
3281         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3282         accessing DECL_FUNCTION_CODE.
3283         * dojump.c (do_jump): Likewise.
3284         * gimplify.c (gimplify_call_expr): Likewise.
3285         * predict.c (expr_expected_value): Likewise.
3286         (strip_builtin_expect): Likewise.
3287         * tree-inline.c (estimate_num_insns_1): Likewise.
3288         * tree-ssa-loop-im.c (stmt_cost): Likewise
3289         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3290         (tree_expr_nonnegative_p): Likewise.
3291
3292 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3293
3294         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3295         variant of the load_pcrel_sym pattern.
3296         * config/sparc/sparc.md (P macro): Move to the top.
3297         (load_pcrel_sym): Macroize using P.
3298         (save_register_window): Likewise.
3299
3300 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3301
3302         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3303         ("sordered"): Same.
3304
3305 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3306
3307         PR C/19472
3308         * c-typeck.c (build_asm_expr): Strip nops off
3309         input memory operands.
3310
3311 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3312
3313         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3314         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3315         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3316         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3317
3318 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3319
3320         PR target/19379
3321         * config/i386/i386.c (override_options): If the 80387 is disabled,
3322         then do not return FP values using FP registers.
3323
3324 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3325
3326         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3327         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3328         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3329         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3330         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3331         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3332         output.h, postreload-gcse.c, postreload.c, recog.c,
3333         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3334         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3335         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3336         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3337         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3338         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3339         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3340         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3341
3342         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3343         config/alpha/alpha.c, config/arm/vfp.md,
3344         config/i386/emmintrin.h, config/i386/i386-modes.def,
3345         config/i386/i386-protos.h, config/i386/i386.h,
3346         config/i386/pmmintrin.h, config/i386/ppro.md,
3347         config/i386/predicates.md, config/i386/xmmintrin.h,
3348         config/i860/i860.c, config/ia64/ia64-modes.def,
3349         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3350         config/ia64/ia64.md, config/ia64/itanium1.md,
3351         config/ia64/itanium2.md, config/ia64/predicates.md,
3352         config/iq2000/iq2000.h, config/mips/linux64.h,
3353         config/rs6000/aix41.h, config/rs6000/aix43.h,
3354         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3355         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3356         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3357         config/sparc/linux64.h, config/sparc/litecoff.h,
3358         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3359         config/sparc/sparc.h, config/sparc/sparc.md,
3360         config/sparc/sysv4-only.h: Update copyright.
3361
3362 2005-01-18  Richard Henderson  <rth@redhat.com>
3363
3364         PR target/19496
3365         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3366
3367 2005-01-18  Marc Espie  <espie@openbsd.org>
3368         * config/i386/openbsdelf.h: Typo.
3369
3370 2005-01-18  Richard Henderson  <rth@redhat.com>
3371
3372         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3373         special case for sse.
3374         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3375
3376 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3377
3378         * tree-inline.c (estimate_num_insns_1): Added cases for
3379         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3380
3381 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3382
3383         PR rtl-optimization/19296
3384         * combine.c (simplify_comparison): Rewrite the condition under
3385         which a non-paradoxical SUBREG of a PLUS can be lifted when
3386         compared against a constant.
3387
3388 2005-01-18  Andi Kleen <ak@muc.de>
3389
3390         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3391         * c.opt (-Wpointer-sign): Add.
3392         * doc/invoke.texi: (-Wpointer-sign): Add.
3393
3394 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3395
3396         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3397         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3398         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3399         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3400         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3401         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3402         for TARGET_MIX_SSE_I387.
3403         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3404         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3405         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3406         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3407         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3408         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3409         TARGET_MIX_SSE_I387.
3410         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3411         from expander.
3412
3413 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3414
3415         PR target/19424
3416         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3417         Add movaps alternative for xmm reg->reg move.
3418
3419 2005-01-17  Jeff Law  <law@redhat.com>
3420
3421         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3422         at the end of the main DOM loop rather than just before DOM exits.
3423
3424 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3425
3426         PR tree-optimization/19121
3427         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3428         adding aliases to a name tag, also add them to the pointer's
3429         type tag.
3430         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3431         sensitive alias info at all.  Only check that the two pointers
3432         have compatible pointed-to sets.
3433         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3434         a pointer's type tag is a superset of the alias set of the
3435         pointer's name tag.
3436
3437 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3438
3439         PR target/19357
3440         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3441         comment to document why.
3442
3443 2005-01-17  Richard Henderson  <rth@redhat.com>
3444
3445         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3446         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3447         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3448         sse2_vmsminv2df3_finite): New.
3449         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3450         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3451         Force op1 into register.
3452
3453 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3454
3455         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3456         bubblestrap from always rebuilding build directory.
3457
3458 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3459
3460         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3461         ("*cmpmem_short"): Likewise.
3462
3463 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3464
3465         * basic-block.h: Document BB_* flags.
3466         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3467         use an sbitmap instead.
3468         * sched-rgn.c (compute_trg_info): Likewise.
3469
3470 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3471
3472         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3473         redundant target_cpu_default and extra_parts lines.  Use the default
3474         "from-abi" ISA.
3475         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3476         (SUBTARGET_EXTRA_SPECS): Delete.
3477         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3478         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3479         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3480         and "n32" for -mabi=n32.
3481
3482 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3483
3484         PR c/5675