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* pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
4         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7
8 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
9
10         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11         * configure: Regenerate.
12         * libada-mk.in: Remove CC; rename
13         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
14
15 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
16
17         PR tree-opt/20188
18         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
19         for the lhs, also walk over the tree.  Likewise for rhs.
20
21 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
22
23         * tree-ssa-dom.c (simple_iv_increment_p): New function.
24         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
25         Do not propagate value of iv before increment over the increment.
26
27 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
28
29         * c-parser.c: New file.
30         * c-parse.in: Remove.
31         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
32         Remove.
33         (c-parser.o): Add dependencies.
34         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
35         maintainer-clean, TAGS): Update.
36         * c-config-lang.in (gtfiles): Update.
37         * gengtype-lex.l: Don't handle "@@".
38         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
39         objc_build_synchronized, objc_begin_try_stmt,
40         objc_begin_catch_clause, objc_finish_catch_clause,
41         objc_build_finally_clause, objc_finish_try_stmt): New.
42         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
43         type_seen_p.
44         (c_parse_init): Update comment.
45         * c-decl.c (c_init_decl_processing): Update comment.
46         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
47         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
48         new c_declspecs members.
49
50 2005-02-25  Julian Brown  <julian@codesourcery.com>
51
52         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
53         from being used for symbols with vague linkage when
54         HAVE_GAS_COMDAT_GROUP is true.
55
56 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
57
58         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
59
60 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
61
62         PR target/19930
63         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
64         (LIBGCC2_HAS_DF_MODE): New.
65         (LIBGCC2_HAS_XF_MODE): New.
66         (LIBGCC2_HAS_TF_MODE): New.
67         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
68         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
69         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
70         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
71         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
72         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
73         and add _fixtfdi, _fixunstfdi, _floatditf
74         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
75         L_fixunstfdi, L_floatditf.
76         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
77         (LIBGCC2_HAS_TF_MODE): Define.
78
79 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
80
81         PR tree-optimization/20204
82         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
83         REWRITE_THIS_STMT markers on PHI nodes.
84         (rewrite_initialize_block): Likewise.
85
86 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
87
88         * version.c (version_string): Update to 4.1.
89
90 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
91
92         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
93         Clarify that the alternative way doesn't work in GNU C++.
94
95 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
96
97         PR tree-optimization/19937
98         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
99         to the type of the induction variable.
100
101 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
102
103         PR rtl-optimization/20117
104         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
105         the block including noncopyable insn.
106
107 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
108
109         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
110         calls to find_reg_note.
111
112 2005-02-24  Richard Henderson  <rth@redhat.com>
113
114         PR tree-opt/20127
115         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
116         the type.
117
118 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
119
120         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
121         vector types if to use base reg for misaligned non-word ld/std.
122
123 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
124
125         PR target/14619
126         * config/cris/cris.c (cris_target_asm_function_prologue): Create
127         dwarf2 label manually and put it after, not before the prologue.
128
129 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
130
131         PR target/19019
132         * reload.c (operands_match_p): Only increment register number for
133         SCALAR_INT_MODE_P modes in multiple hard registers.
134
135         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
136         Fix formatting.
137
138 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
139
140         * ChangeLog.5: Fix log message typo(s).
141         * ChangeLog.7: Likewise.
142         * ChangeLog.tree-ssa: Likewise.
143         * cfgexpand.c: Fix comment typo(s).
144         * conflict.c: Likewise.
145         * defaults.h: Likewise.
146         * dwarf2out.c: Likewise.
147         * gcse.c: Likewise.
148         * ggc-page.c: Likewise.
149         * tree-eh.c: Likewise.
150         * tree-ssa-dom.c: Likewise.
151
152 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
153
154         PR target/19019
155         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
156         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
157         if SHARED is defined.
158
159         PR target/20196
160         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
161         allow splitting only if operands 0 and 3 don't overlap.
162
163 2005-02-24  Richard Henderson  <rth@redhat.com>
164
165         PR middle-end/19953
166         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
167         (fold_builtin_1): Call them.
168         * fold-const.c (fold_complex_mult_parts): Split out from ...
169         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
170         (fold_complex_div_parts, fold_complex_div): New.
171         (fold): Use them.
172         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
173
174 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
175
176         * tree-ssa-ccp.c (visit_assignment): Verify that result of
177         VIEW_CONVERT_EXPR is_gimple_min_invariant.
178
179         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
180         (print_node): Likewise.
181         Print TYPE_SIZES_GIMPLIFIED.
182
183 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
184
185         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
186         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
187         operands as commutative in constraints.
188
189 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
190
191         * tree-into-ssa.c: Re-organize internal functions.
192
193 2005-02-24  Richard Henderson  <rth@redhat.com>
194
195         PR middle-end/18902
196         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
197         for c99.
198         * common.opt (fcx-limited-range): New.
199         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
200         * toplev.c (flag_complex_method): Initialize to 1.
201         (process_options): Set flag_complex_method to 0 if
202         flag_cx_limited_range.
203         * doc/invoke.texi (-fcx-limited-range): New.
204
205 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
206
207         * cse.c (delete_trivially_dead_insns): Speed up by using
208         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
209         prev_real_insn.
210
211 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
212
213         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
214         functions when -mid-shared-library is being used.
215
216 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
217
218         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
219         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
220         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
221         * system.h: Poison LINK_LIBGCC_SPECIAL.
222
223 2005-02-23  James E Wilson  <wilson@specifixinc.com>
224
225         * gengtype.c (note_insn_name): Make 1 element larger.
226
227 2005-02-23  Roger Sayle  <roger@eyesopen.com>
228
229         PR target/20018
230         PR rtl-optimization/20097
231         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
232         BImode SUBREGs of SImode registers which confuse the ia64 backend.
233
234 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
235
236         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
237         * t-aix52 (SHLIB_INSTALL): Same.
238
239 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
240
241         * genpreds.c: Update copyright.
242
243 2005-02-23  Michael Beach  <michaelb@ieee.org>
244
245         PR target/20159
246         * config/sparc/t-elf (startup files): Assemble with CPP.
247
248 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
249
250         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
251         (write_predicate_expr): Likewise.
252
253 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
254
255         PR tree-optimization/20100
256         PR tree-optimization/20115
257         * tree-optimize.c (init_tree_optimization_passes): Remove
258         pass_maybe_create_global_var.
259         * tree-pass.h (pass_maybe_create_global_var): Remove.
260         * tree-ssa-alias.c (aliases_computed_p): Declare.
261         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
262         (count_calls_and_maybe_create_global_var): Remove.
263         (pass_maybe_create_global_var): Remove.
264         (init_alias_info): Do not declare aliases_computed_p.
265         (maybe_create_global_var): If the function contains no
266         call-clobbered variables and a mix of pure/const and regular
267         function calls, create .GLOBAL_VAR.
268         Mark all call-clobbered variables for renaming.
269         (merge_pointed_to_info): Update comment.
270         (add_pointed_to_var): Likewise.
271         (is_escape_site): Likewise.
272         Accept struct alias_info * instead of size_t *.
273         Update all users.
274         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
275         as necessary.
276         * tree-ssa-operands.c (get_call_expr_operands): If
277         ALIASES_COMPUTED_P is false, do not add call-clobbering
278         operands.
279         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
280         (delete_tree_ssa): Likewise.
281
282 2005-02-22  James E Wilson  <wilson@specifixinc.com>
283
284         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
285         (do_compile): Do call it here.
286
287 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
288
289         PR rtl-optimization/20017.
290         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
291         rest_of_handle_cse2, rest_of_handle_gcse): Call
292         delete_dead_jumptables immediately before calling cleanup_cfg.
293
294 2005-02-22  Devang Patel  <dpatel@apple.com>
295
296         PR 19952
297         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
298         all labels
299         
300 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
301
302         * config/rs6000/aix.h (WINT_TYPE): Define.
303
304 2005-02-22  Stan Shebs  <shebs@apple.com>
305
306         * config/rs6000/rs6000.c (rs6000_override_options): Default to
307         natural alignment for 64-bit Darwin.
308         (rs6000_parse_alignment_option): Warn about uses of -malign-power
309         on 64-bit Darwin.
310         * doc/invoke.texi: Document this.
311
312 2005-02-22  DJ Delorie  <dj@redhat.com>
313
314         * c-common.c (c_common_type_for_mode): Pass the mode's precision
315         to make_[un]signed_type, not the mode itself.
316
317 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
318
319         * cfg.c (cached_make_edge): Call make_edge if edge cache is
320         not available.  Use tail calls wherever possible.
321         (make_edge): Call unchecked_make_edge to create an edge.
322
323         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
324         (coalesce_ssa_name): Don't check for
325         SSANORM_USE_COALESCE_LIST.
326         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
327
328 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
329
330         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
331         (rewrite_into_ssa): ... here.
332
333 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
334
335         PR tree-optimization/19786
336         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
337         tag to another's may-alias bitmap when adding to the other's list.
338
339 2005-02-21  DJ Delorie  <dj@redhat.com>
340
341         * tree-ssa-loop-ivopts.c (computation_cost): Start register
342         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
343         registers in unsupported ways.
344         * expmed.c (init_expmed): Likewise.
345         
346 2005-02-21  Stan Cox  <scox@redhat.com>
347
348         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
349
350 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
351
352         * tree-cfg.c (fold_cond_expr_cond): New.
353         (make_edges): Call fold_cond_expr_cond.
354         (find_taken_edge): Accept nothing but INTEGER_CST.
355         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
356         and 1.
357         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
358
359         * flow.c (delete_dead_jumptables): Speed up by scanning insns
360         that do not belong to any basic block.
361
362 2005-02-21  Jeff Law  <law@redhat.com>
363
364         * cfganal.c (find_unreachable_blocks): Manually CSE load of
365         e->dest.
366
367 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
368
369         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
370         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
371         Adjust their definitions.
372         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
373         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
374
375         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
376         genautomata.c, langhooks.c, langhooks.h, system.h,
377         config/arm/lib1funcs.asm: Update copyright.
378
379 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
380
381         * dbxout.c (dbxout_function_end): Emit Lscope label always.
382
383 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
384
385         PR bootstrap/13770
386         * doc/install.texi: Document --with-gc.
387
388 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
389
390         * simplify-rtx.c (simplify_unary_operation): Add a missing
391         "break" statement.
392
393 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
394
395         PR tree-optimization/18663
396         * tree-ssa-dom.c (extract_range_from_cond): Return 0
397         if the type has variable bounds.
398
399 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
400
401         * gcse.c: Remove an obsolete comment.
402
403         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
404
405 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
406
407         * doc/extend.texi (Function Attributes) <Attribute const>: The
408         attribute "pure" is below this text, not above.
409
410 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
411
412         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
413         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
414         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
415
416 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
417
418         PR 18785
419         * langhooks.h (struct lang_hooks): Add to_target_charset.
420         * langhooks.c (lhd_to_target_charset): New function.
421         * langhooks-def.h: Declare lhd_to_target_charset.
422         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
423         (LANG_HOOKS_INITIALIZER): Update.
424         * c-common.c (c_common_to_target_charset): New function.
425         * c-common.h: Declare it.
426         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
427         c_common_to_target_charset.
428
429         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
430         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
431         Delete definitions.
432         * system.h: Poison them.
433         * doc/tm.texi: Don't discuss them.
434         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
435         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
436         (pp_c_char): Do not attempt to generate letter escapes for
437         newline, tab, etc.
438         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
439         * config/mips/mips.c (mips_output_ascii): Likewise.
440
441 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
442
443         PR tree-optimization/19951
444         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
445         is abnormal.
446
447 2005-02-19  Steven Bosscher  <stevenb@suse.de>
448
449         PR middle-end/19698
450         * function.h (struct function): New field `max_loop_depth'.
451         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
452         (flow_loops_find): Reset the max loop depth count before finding loops.
453         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
454         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
455         (calculate_global_regs_live): Make sure the loop will terminate
456         when the initial sets are not empty.
457
458 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
459
460         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
461         object inside.
462         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
463
464 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
465
466         PR other/19525
467         * doc/invoke.texi: Remove documentation of %M spec.
468         * gcc.c: Likewise.
469         (init_spec): Remove %M suffix from -lgcc_s.
470         (do_spec_1): Remove 'M' case.
471         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
472         to put shared libraries in the multilib directory.  Remove the
473         shlib_so_soname substitution variable.  Don't add a multilib encoding
474         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
475         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
476         SHLIB_INSTALL as well as SHLIB_LINK.
477         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
478         (SHLIB_NAME): Delete.
479         (SHLIB_DIR): New macro.
480         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
481         (SHLIB_INSTALL): Adjust accordingly.
482         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
483         * config/t-slibgcc-sld: Likewise.
484         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
485         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
486         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
487         in $(SHLIB_DIR).
488         (SHLIBUNWIND_INSTALL): Adjust accordingly.
489         * config/i386/t-nwld (SHLIB_SONAME): Delete.
490         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
491         Use @shlib_base_name@ instead of @shlib_so_name@.
492         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
493         and @shlib_base_name@.so in @multilib_dir@.
494         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
495         to the install path.
496         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
497         (SHLIB_LINK): Remove previous workaround.
498         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
499         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
500         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
501         the install path.
502         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
503         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
504         (SHLIB_INSTALL): Adjust accordingly.
505         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
506         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
507         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
508         config/t-slibgcc-elf-ver.
509
510 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
511             Jakub Jelinek  <jakub@redhat.com>
512
513         PR tree-optimization/19828
514         * tree-ssa-loop-im.c: Add a TODO comment.
515         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
516         without side-effects.
517
518 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
519
520         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
521         call fold_convert.
522
523 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
524
525         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
526         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
527         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
528         functions.
529         (ia64_reorg): Delete fixup_errata call.
530         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
531         (TARGET_SWITCHES): Delete -mb-step entry.
532
533 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
534
535         PR c/20043
536         * c-typeck.c (composite_type): Handle quals in transparent unions.
537         (type_lists_compatible_p): Likewise.
538
539 2005-02-18  Stan Shebs  <shebs@apple.com>
540
541         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
542         expressions in the .literal8 section.
543
544 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
545
546         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
547
548 2005-02-18  Roger Sayle  <roger@eyesopen.com>
549
550         * fold-const.c (constant_boolean_node): Always create values of the
551         specified type, don't bother calling truthvalue_conversion.
552
553 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
554
555         * except.c (output_function_exception_table): Call
556         assemble_external_libcall (eh_personality_libfunc).
557
558 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
559
560         PR target/19886
561         * config/ia64/ia64.h (struct machine_function): Add state_num.
562         * config/ia64/ia64.c (process_epilogue,
563         process_for_unwind_directive): Use new unwind state numbers each
564         time rather than state 1.
565
566 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
567
568         PR target/20054
569         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
570         before the "*llgt_didi" pattern.
571
572 2005-02-18  Jason Merrill  <jason@redhat.com>
573
574         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
575
576 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
577
578         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
579         (div0): Use it in place of ARM_FUNC_ALIAS.
580         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
581
582 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
583
584         PR middle-end/20030
585         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
586         access, the lower bound of the array type if it exists.
587
588 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
589
590         PR c++/20008
591         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
592         cases that are out-of-range for the index type.
593
594 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
595
596         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
597         (estimate_case_costs): Don't call convert.
598         * expmed.c (expand_shift): Likewise.
599         (make_tree): Call fold_convert instead of convert.
600
601 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
602
603         PR c++/19813
604         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
605         that ref to be marked MEM_READONLY_P doesn't have base that needs
606         constructing.
607
608 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
609
610         * genautomata.c (output_get_cpu_unit_code_func,
611         output_cpu_unit_reservation_p): Don't generate old-style function
612         definitions.
613
614 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
615
616         PR c++/20023
617         PR tree-optimization/20009
618         * convert.c (convert_to_integer): Revert 2005-02-16 change.
619
620         PR tree-optimization/18947
621         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
622         inline, remove all nodes that are inlined into the extern inline
623         being redefined.
624
625 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
626
627         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
628         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
629         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
630         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
631         Update copyright.
632
633 2005-02-17  Roger Sayle  <roger@eyesopen.com>
634
635         PR tree-optimization/19917
636         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
637         to be potentially trapping.
638
639 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
640
641         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
642
643 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
644
645         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
646         tem becomes a local variable which is set to the value of the
647         back end defined INITIAL_FRAME_ADDRESS macro.
648         (expand_builtin_frame_address): Omit the base parameter to
649         expand_builtin_return_addr.
650         (expand_builtin_profile_func): Likewise.
651         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
652         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
653         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
654
655 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
656
657         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
658         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
659         * config/frv/frv.c (frv_function_epilogue): Likewise.
660
661 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
662
663         * lambda-code (perfect_nestify): Remove mark/unmark
664         for rewriting hack.
665         * tree-loop-linear.c (linear_transform_loops): Add
666         rewrite_into_ssa call so that ssa is correct for
667         rewriting into loop closed.
668
669 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
670
671         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
672         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
673         BITMAP_FREE.
674         * bt-load.c (btr_def_live_range, combine_btr_defs,
675         migrate_btr_def, migrate_btr_defs): Likewise.
676         * cfgcleanup.c (thread_jump): Likewise.
677         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
678         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
679         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
680         df_rd_local_compute, df_reg_info_compute): Likewise.
681         * dominance.c (init_dom_info, free_dom_info): Likewise.
682         * flow.c (init_propagate_block_info,
683         free_propagate_block_info): Likewise.
684         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
685         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
686         modify_reg_pav): Likewise.
687         * loop-invariant.c (find_defs, find_invariant_insn,
688         find_invariants, free_inv_motion_data): Likewise.
689         * predict.c (tree_predict_by_opcode,
690         estimate_bb_frequencies): Likewise.
691         * stmt.c (expand_case): Likewise.
692         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
693         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
694         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
695         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
696         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
697         rewrite_ssa_into_ssa): Likewise.
698         * tree-optimize.c (tree_rest_of_compilation): Likewise.
699         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
700         analyze_edges_for_bb, perform_edge_inserts): Likewise.
701         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
702         * tree-sra.c (tree_sra): Likewise.
703         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
704         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
705         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
706         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
707         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
708         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
709         Likewise.
710         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
711         calculate_live_on_entry, calculate_live_on_exit,
712         build_tree_conflict_graph): Likewise.
713         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
714         record_important_candidates, set_use_iv_cost, find_depends,
715         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
716         tree_ssa_iv_optimize_finalize): Likewise.
717         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
718         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
719         tree_duplicate_loop_to_header_edge): Likewise.
720         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
721         * tree-ssa.c (verify_flow_insensitive_alias_info,
722         verify_name_tags, verify_ssa, init_tree_ssa,
723         delete_tree_ssa): Likewise.
724         * tree-ssanames.c (marked_ssa_names, init_ssanames,
725         fini_ssanames): Likewise.
726         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
727
728 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
729
730         * config/rs6000/t-rtems: Completely reworked.
731
732 2005-02-17  Ira Rosen  <irar@il.ibm.com>
733
734         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
735
736 2005-02-17  Ira Rosen  <irar@il.ibm.com>
737
738         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
739         POINTER_TYPE_P when checking that type is a pointer.
740         (vect_get_memtag): Remove.
741         (vect_address_analysis): Use POINTER_TYPE_P. Call
742         vect_object_analysis with dummy parameter for memtag.
743         (vect_object_analysis): Extract memtag (functionality that
744         used to be in vect_get_memtag and moved here). Fix printings.
745         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
746         with correct parameters. Remove call to vect_get_memtag.
747
748 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
749
750         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
751         (tree-vectorizer.o): Added missing dependencies.
752
753         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
754         decleration.
755         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
756         declaration in tree-vectorizer.c, now has an extern declaration in
757         tree-vectorizer.h).
758         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
759         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
760         get_vectype_for_scalar_type, vect_is_simple_use,
761         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
762         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
763         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
764         vectorizable_store, vectorizable_operation, vectorizable_assignment,
765         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
766         find_loop_location): Likewise.
767
768         * tree-vectorizer.c (langhooks.h): #include removed.
769         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
770         moved to tree-vectorized.h.
771         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
772         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
773         get_vectype_for_scalar_type, vect_is_simple_use,
774         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
775         vect_supportable_dr_alignment, new_loop_vec_info,
776         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
777         vect_set_verbosity_level, find_loop_location): Likewise.
778
779         (vect_analyze_loop): Function externalized. Declaration moved to
780         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
781         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
782         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
783         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
784         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
785         vect_enhance_data_refs_alignment, vect_analyze_operations,
786         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
787         vect_stmt_relevant_p, vect_get_loop_niters,
788         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
789         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
790         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
791         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
792         vect_get_memtag): Likewise.
793
794         (vectorizable_load): Function externalized. Declaration moved to
795         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
796         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
797         vect_transform_loop): Likewise.
798         (vect_transform_stmt): Moved to tree-vect-transform.c.
799         (vect_align_data_ref, vect_create_destination_var,
800         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
801         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
802         vect_get_vec_def_for_operand, vect_init_vector,
803         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
804         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
805         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
806         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
807         vect_do_peeling_for_loop_bound): Likewise.
808
809         * tree-vect-analyze.c: New file.
810         * tree-vect-transform.c: New file.
811
812 2005-02-17  Jason Merrill  <jason@redhat.com>
813
814         PR mudflap/19319, c++/19317
815         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
816         slot explicit.
817
818 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
819
820         * doc/install.texi (Specific): Update link for Darwin-specific
821         tool binary site.
822
823 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
824
825         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
826         constant_boolean_node.
827
828 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
829
830         PR target/19019
831         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
832         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
833
834 2005-02-16  Richard Henderson  <rth@redhat.com>
835
836         PR 19920
837         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
838         with W_TYPE_SIZE.
839         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
840         replace uses with Wtype_MAXp1_F.
841         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
842         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
843         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
844         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
845         and HAVE_TFMODE as appropriate.
846         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
847         (__floatdisf): Likewise.
848         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
849         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
850         (Wtype_MAXp1_F): New.
851         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
852         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
853
854 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
855
856         * PR target/19162
857         * arm.c (arm_apply_result_size): New function.
858         * arm.h (APPLY_RESULT_SIZE): Define.
859         * arm-protos.h (arm_apply_result_size): Add prototype.
860         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
861         (movxf): New expand.
862         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
863         (call_value_symbol): Remove predicate for operand 0.
864         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
865         (untyped_call): Rework to correclty return values for any type.
866         (untyped_return): New expand.
867         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
868
869 2005-02-16  Stan Shebs  <shebs@apple.com>
870
871         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
872         * config/rs6000/t-darwin8: New, for 64-bit multilib.
873
874 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
875
876         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
877         configure settings on Solaris 7 and later.
878
879 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
880
881         PR tree-optimization/19865
882         * tree-optimize.c (init_tree_optimization_passes): Run
883         pass_may_alias after pass_sra.
884
885 2005-02-16  Richard Henderson  <rth@redhat.com>
886             Stuart Hastings  <stuart@apple.com>
887
888         PR debug/19521
889         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
890         Do nothing if debug info suppressed for this function.
891         (dbxout_begin_function): Early exit if debug info suppressed for
892         this function.
893
894 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
895
896         PR target/20007
897         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
898         find_basic_blocks.
899         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
900
901         PR tree-optimization/19967
902         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
903         expand_builtin_strchr, expand_builtin_strrchr): Take a new
904         argument TYPE.  Adjust calls to fold_builtin_XXX.
905         (expand_builtin, fold_builtin_1): Adjust calls to
906         expand_builtin_XXX.
907         (fold_builtin_strchr, fold_builtin_strpbrk,
908         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
909         result to a requested type TYPE.
910
911 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
912
913         PR middle-end/19857
914         * fold-const.c (fold): Don't optimize (T)(x & cst) to
915         (T)x & (T)cst if (T)cst overflows.
916         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
917         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
918
919 2005-02-15  Jeff Law  <law@redhat.com>
920
921         * gcse.c (blocks_with_calls): New bitmap.
922         (alloc_gcse_mem): Allocate it.
923         (free_gcse_mem): Free it.
924         (clear_modifY_mem_tables): Clear it.
925         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
926         when we encounter CALL_INSNs.
927         (compute_transp, case MEM): Handle blocks with calls separate
928         from blocks without calls.  Use bitmap iterators rather than
929         FOR_EACH_BB.
930
931 2005-02-15  Peter O'Gorman  <peter@pogma.com>
932
933         PR bootstrap/18810
934         * mklibgcc.in (vis_hide): Use a temporary object file, not
935         -o /dev/null.
936
937 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
938
939         PR target/19924
940         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
941         access optimization.
942
943 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
944             Alan Modra  <amodra@bigpond.net.au>
945
946         PR target/19019
947         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
948         (_xlqsub): Rename to __gcc_qsub.
949         (_xlqmul): Rename to __gcc_qmul.
950         (_xlqdiv): Rename to __gcc_qdiv.
951         Provide versioned symbol aliases with old names.
952         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
953         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
954         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
955         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
956         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
957
958 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
959
960         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
961         Fold ~(A - 1) and ~(A + -1) to -A.
962
963 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
964
965         PR pch/14940
966         PR target/19300
967         * config/host-linux.c (linux_gt_pch_use_address): Copy from
968         config/pa/pa-host.c:pa_gt_pch_use_address.
969
970 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
971
972         * tree-vn.c (get_value_handle): Make sure that given an
973         is_gimple_min_invariant expression, we always return it.
974
975 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
976
977         * passes.c (rest_of_handle_gcse): Fix a comment.
978
979 2005-02-15  Jeff Law  <law@redhat.com>
980
981         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
982         bitmap.
983         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
984         (canon_list_insert, record_last_mem_set_info): Similarly.
985         (clear_modify_mem_tables): Similarly.
986
987 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
988
989         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
990         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
991         config/mips/mips.md, config/rs6000/aix.h,
992         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
993
994 2005-02-15  Richard Henderson  <rth@redhat.com>
995
996         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
997         call to be best_edge.
998
999 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1000
1001         * basic-block.h: Adjust the prototype for find_basic_blocks.
1002         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1003         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1004         find_basic_blocks.
1005
1006         * flow.c (recompute_reg_usage): Remove all arguments.
1007         * passes.c (rest_of_compilation): Adjust the call to
1008         recompute_reg_usage.
1009         * rtl.h: Adjust the prototype for recompute_reg_usage.
1010
1011 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1012
1013         * tree-dump.c (dump_files): Update to reflect new member
1014         of dump_file_info.
1015         (dump_register): Add new argument.
1016         Set glob name.
1017         (dump_switch_p_1): Check against glob name if doglob was passed.
1018         (dump_switch_p): Check against regular first, then glob if
1019         we didn't have any hits on the dump name.
1020         * tree-optimize.c (register_one_dump_file):
1021         Pass in glob name as well.
1022         * tree-pass.h (struct dump_file_info): Add glob
1023         member.
1024
1025 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1026
1027         PR preprocessor/16323
1028         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1029
1030 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1031
1032         PR target/19019
1033         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1034         (trunctfdf2_internal1): New.
1035         (trunctfdf2_internal2): Renamed from trunctfdf2.
1036
1037 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1038
1039         PR tree-optimization/19853
1040         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1041
1042 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1043
1044         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1045         delete_dead_jumptables and cleanup_cfg.
1046
1047 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1048
1049         * reload.c (find_reloads): Swap address_reloaded flags when
1050         swapping commutative operands.
1051
1052 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1053
1054         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1055         Use standard_iv_increment_position for computing the bsi position
1056         for create_iv.
1057         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1058         the bsi position.
1059
1060 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1061
1062         PR target/17428
1063         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1064         life range of hard registers.
1065         * value-prof.c (insn_prefetch_values_to_profile): Only
1066         scan normal insns.
1067
1068         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1069         profile in libcalls.
1070
1071 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1072
1073         * bitmap.h (bitmap_and_compl_into): Return bool.
1074         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1075
1076 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1077
1078         PR tree-optimization/19944
1079         * fold-const.c (fold): Re-add ABS_EXPR folding.
1080
1081 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1082
1083         PR target/19019
1084         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1085         {TARGET,MASK}_XL_COMPAT.
1086         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1087         MASK_XL_COMPAT.
1088         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1089         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1090         TARGET_XL_COMPAT.
1091         (rs6000_arg_partial_bytes): Same.
1092         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1093         and XL compatibility enabled.
1094         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1095         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1096         test to final condition.
1097         (cmptf_internal2): New.
1098         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1099         xl-compat.  Add TFmode information to description.
1100
1101 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1102
1103         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1104
1105 2005-02-13  Jason Merrill  <jason@redhat.com>
1106
1107         PR c++/16405
1108         * fold-const.c (fold_indirect_ref_1): Split out from...
1109         (build_fold_indirect_ref): Here.
1110         (fold_indirect_ref): New fn.
1111         * tree.h: Declare it.
1112         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1113         (gimplify_modify_expr_rhs): Likewise.
1114         (gimplify_expr): Likewise.
1115
1116 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1117
1118         PR tree-optimization/14303
1119         PR tree-optimization/15784
1120         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1121         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1122         ABS_EXPR<x> != 0 to x != 0.
1123
1124 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1125
1126         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1127         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1128         spelling conventions.
1129
1130         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1131         delete_trivially_dead_insns too many times.
1132
1133         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1134         tem and tem2.
1135
1136 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1137
1138         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1139         (vect_is_simple_iv_evolution): Remove redundant parameter
1140         and step check.
1141         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1142         without last parameter.
1143         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1144         Return pointer step. Call vect_is_simple_iv_evolution without
1145         last parameter. Check only that the step is multiple of size
1146         type. Remove stmt_vinfo updates.
1147         (vect_get_memtag_and_dr): Remove.
1148         (vect_get_memtag): New function.
1149         (vect_address_analysis): New function.
1150         (vect_object_analysis): New function.
1151         (vect_analyze_data_refs): Call vect_object_analysis and
1152         vect_get_memtag. Update stmt_vinfo fields.
1153
1154 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1155
1156         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1157         exist and are objects. Remove checks for pointer.
1158         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1159         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1160         (vect_create_data_ref_ptr): Likewise.
1161         (vect_base_addr_differ_p): New function.
1162         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1163         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1164         Don't set the DR_BASE_NAME field of data-ref.
1165         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1166
1167 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1168
1169         * optabs.h (enum optab_index): Add new OTI_ldexp.
1170         (ldexp_optab): Define corresponding macro.
1171         * optabs.c (init_optabs): Initialize ldexp_optab.
1172         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1173         patterns.
1174         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1175         using ldexp_optab.
1176         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1177         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1178
1179         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1180         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1181         intrinsics.
1182
1183 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1184
1185         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1186         to base_address.
1187         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1188         stmt_vec_info.
1189         (vect_get_base_and_offset): Always return an address.
1190         (vect_create_addr_base_for_vector_ref): Remove treatment for
1191         different data reference types.
1192         (vect_compute_data_ref_alignment): Rename base to base_address in
1193         stmt_vec_info. Get the object in order to force its alignment.
1194         (vect_get_memtag_and_dr): Rename base to base_address in
1195         stmt_vec_info. Extract the object for memtag analysis.
1196
1197 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1198
1199         PR regression/19898.
1200         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1201         changes cc_status, use apply modified_in_p to part of cc_status
1202         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1203         body.
1204
1205 2005-02-11  Richard Henderson  <rth@redhat.com>
1206
1207         * tree-complex.c (expand_complex_libcall): New.
1208         (expand_complex_multiplication): Use it for c99 compliance.
1209         (expand_complex_division): Likewise.
1210         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1211         (fold): Call them.
1212         * builtins.c (built_in_names): Remove const.
1213         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1214         builtins.
1215         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1216         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1217         (built_in_names): Remove const.
1218         * c-common.c (c_common_type_for_mode): Handle complex modes.
1219         * flags.h, toplev.c (flag_complex_method): Rename from
1220         flag_complex_divide_method.
1221         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1222         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1223         * libgcc2.h: Declare them.
1224         * libgcc-std.ver: Export them.
1225         * mklibgcc.in (lib2funcs): Build them.
1226
1227 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1228
1229         PR tree-optimization/19876
1230         Partially revert my change from 2005-01-14
1231         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1232         (compute_antic): ...and remove the loop here.
1233
1234 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1235
1236         PR middle-end/19858
1237         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1238         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1239
1240         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1241         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1242
1243 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1244
1245         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1246         offsets for the big-endian 32-bit case.
1247
1248 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1249
1250         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1251
1252 2005-02-11  Dale Johannesen  <dalej@apple.com>
1253
1254         * cselib.c (cselib_process_insn):  Clear out regs where
1255         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1256         * reload.c (find_equiv_reg): Ditto.
1257
1258 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1259
1260         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1261         with no elements.
1262
1263         * tree.c (build_function_type_list): Work correctly if there are
1264         no arguments.
1265
1266 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1267
1268         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1269         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1270         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1271         TARGET_ZARCH instead of TARGET_64BIT.
1272
1273 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1274
1275         * config/rs6000/t-rtems:
1276         (MULTILIB_OPTIONS): Remove mcpu=602.
1277         (MUTLILIB_DIRNAMES): Remove m602.
1278         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1279         Let mcpu=602 match mcpu=603.
1280         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1281
1282 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1283
1284         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1285         signal trampolines.
1286
1287 2005-02-10  David Daney  <ddaney@avtrex.com>
1288
1289         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1290         * config/i386/linux-unwind.h: Likewise.
1291         * config/ia64/linux-unwind.h: Likewise.
1292         * config/mips/linux-unwind.h: Likewise.
1293         * config/pa/linux-unwind.h: Likewise.
1294         * config/rs6000/linux-unwind.h: Likewise.
1295         * config/s390/linux-unwind.h: Likewise.
1296         * config/sh/linux-unwind.h: Likewise.
1297         * config/sparc/linux-unwind.h: Likewise.
1298
1299 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1300
1301         PR tree-optimization/17549
1302         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1303         TER to replace a DEF with its expression if the DEF and the
1304         rhs of the expression we replace into have the same root
1305         variable.
1306
1307 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1308
1309         * config/mips/mips.md: Fix the placement of the match_scratch in the
1310         lea64 peephole2.
1311
1312 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1313
1314         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1315         Fix comment typos.
1316
1317 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1318
1319         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1320         (strip_offset): Handle addresses.
1321         (add_address_candidates): Use strip_offset.
1322         (difference_cost): Reflect strip_offset change.
1323         (force_var_cost, difference_cost): Strip nops.
1324
1325 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1326
1327         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1328
1329         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1330         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1331         config/cris/cris-protos.h, config/cris/cris.c: Update
1332         copyright.
1333
1334 2005-02-10  Jeff Law  <law@redhat.com>
1335
1336         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1337         (lookup_avail_expr): Similarly.
1338
1339 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1340
1341         * builtins.c (fold_builtin_powi): New function.
1342         (fold_builtin_1): Call it.
1343
1344 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1345
1346         PR documentation/19309
1347         * doc/cpp.texi: The __GNUC__ and related predefined macros
1348         are also defined for the "standalone" cpp.
1349         Some non-GCC compilers may also define __GNUC__.
1350
1351 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1352
1353         PR c/19342
1354         * c-typeck.c (common_type): New routine.  Old common_type renamed
1355         to...
1356         (c_common_type): ...this.
1357         (build_conditional_expr, build_binary_op): Use c_common_type instead
1358         of common_type.
1359
1360 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1361
1362         * doc/md.texi: Replace @samp{length} with @code{length}.
1363
1364 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1365
1366         PR tree-optimization/18687
1367         * tree-flow.h (find_loop_niter): Declare.
1368         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1369         Try using scev even for loops with more than one exit.
1370         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1371         (struct ivopts_data): Added niters field.
1372         (struct nfe_cache_elt): New.
1373         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1374         functions.
1375         (tree_ssa_iv_optimize_init): Initialize niters cache.
1376         (determine_number_of_iterations): Removed.
1377         (find_induction_variables): Do not call determine_number_of_iterations.
1378         Access niters for single exit through niter_for_single_dom_exit.
1379         (add_iv_outer_candidates): Access niters for single exit through
1380         niter_for_single_dom_exit.
1381         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1382         number_of_iterations_cond.
1383         (iv_period): New function.
1384         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1385         (may_replace_final_value): Take data argument.  Use
1386         niter_for_single_dom_exit.
1387         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1388         (rewrite_use_compare): Pass data to may_eliminate_iv.
1389         (rewrite_use_outer): Pass data to may_replace_final_value.
1390         (free_loop_data): Clean up the niters cache.
1391         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1392         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1393         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1394         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1395         (num_ending_zeros): Moved to tree.c.
1396         * tree.h (num_ending_zeros): Declare.
1397         * tree.c (num_ending_zeros): Moved from tree.c.
1398
1399 2005-02-09  Richard Henderson  <rth@redhat.com>
1400
1401         * builtins.c (DEF_BUILTIN): Add COND argument.
1402         * tree.h (DEF_BUILTIN): Likewise.
1403         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1404         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1405         match.
1406         (DEF_BUILTIN_STUB): New.
1407         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1408         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1409         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1410         * c-common.c (DEF_BUILTIN): Add COND argument.
1411         * tree.c (local_define_builtin): New.
1412         (build_common_builtin_nodes): New.
1413
1414 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1415
1416         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1417         floating point expression ignoring the sign of the result.
1418         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1419         (fold) <MULT_EXPR>: Use it to simplify x*x.
1420         * tree.h (fold_strip_sign_ops): Prototype here.
1421         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1422         argument.  Use fold_strip_sign_ops to simplify the first argument.
1423         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1424         first argument when the second argument is an even integer
1425         constant, but only with -funsafe_math_optimizations.
1426         (fold_builtin_1): Update call to fold_builtin_copysign.
1427
1428 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1429
1430         PR middle-end/19583
1431         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1432         just check whether EH_FILTER_FAILURE falls through.
1433
1434 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1435
1436         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1437         insns return to ready list in the next turn.
1438
1439 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1440
1441         PR middle-end/19402
1442         * builtins.def: New __builtin_powi[lf].
1443         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1444         (expand_builtin_powi): New function.
1445         (expand_builtin): Dispatch to expand_builtin_powi.
1446         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1447         * libgcc2.c: Add __builtin_powi[lf] implementation.
1448         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1449         * optabs.h: Add powi_optab.
1450         * optabs.c (init_optabs): Initialize powi_optab.
1451         * doc/extend.texi: Document __builtin_powi[lf].
1452
1453 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1454
1455         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1456         exists.
1457
1458 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1459
1460         PR middle-end/19854
1461         * fold-const.c (try_move_mult_to_index): Remove redundant
1462         type argument.  Create ADDR_EXPR with correct type.
1463         (fold): Update callers of try_move_mult_to_index.  Convert
1464         result to the appropriate type.
1465
1466 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1467
1468         PR target/19597
1469         * config/avr/avr.c (default_rtx_costs): Delete.
1470         (avr_operand_rtx_cost): New function.
1471         (avr_rtx_costs): Completely rewrite.
1472
1473 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1474
1475         PR target/19806
1476         * config/cris/cris.c (in_code): New variable.
1477         (cris_output_addr_const): Now a static function, a wrapper for
1478         output_addr_const.
1479         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1480         case from old cris_output_addr_const.
1481         (cris_asm_output_label_ref): Similar for LABEL_REF.
1482         (cris_output_addr_const_extra): Similar for UNSPEC.
1483         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1484         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1485         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1486         declaration.
1487         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1488         (cris_asm_output_label_ref): Declare.
1489
1490 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1491
1492         PR preprocessor/19801
1493         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1494         filenames that changed when libcpp was moved to the toplevel.
1495
1496 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1497
1498         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1499         zero extensions of BImode operands.  Call lowpart_subreg instead
1500         of gen_lowpart_common and gen_lowpart_SUBREG.
1501
1502 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1503
1504         PR ada/19489
1505         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1506         * configure.ac: Set cc_for_cross_gnattools.
1507         * configure: Regenerate.
1508
1509 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1510
1511         PR target/19803
1512         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1513
1514 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1515
1516         PR debug/19327
1517         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1518         of nested functions.
1519
1520 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1521
1522         * doc/extend.texi: Document deprecated extensions allowing
1523         static floating-point members to have initializers and allowing
1524         floating-point literals in integral constant expressions.
1525
1526 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1527
1528         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1529         config/darwin7.h, config/mips/mips.c,
1530         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1531         Update copyright.
1532
1533         * cse.c: Update comments.
1534
1535 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1536
1537         PR middle-end/19775
1538         * builtins.c (fold_builtin_sqrt): Transform
1539         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1540         pow(x,y*0.5).
1541
1542 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1543             Dorit Naishlos  <dorit@il.ibm.com>
1544
1545         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1546         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1547         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1548         was added.
1549         * tree.h (vect_set_verbosity_level): New extern function declaration
1550         added.
1551         * tree-vectorizer.h (verbosity_levels): New enum type.
1552         * tree-vectorizer.c (vect_debug_stats): Function removed.
1553         (vect_debug_details): Likewise.
1554         (vect_verbosity_level): Global variable was defined and initialized.
1555         (vect_dump): Global variable definition.
1556         (vect_print_dump_info): New function.
1557         (vect_set_dump_settings): New function.
1558         (vect_set_verbosity_level): New function.
1559         (vectorize_loops): Add call to vect_set_dump_settings.
1560
1561         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1562         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1563         (slpeel_tree_peel_loop_to_edge): Likewise.
1564
1565         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1566         appropriate verbosity level instead of call to vect_debug_details
1567         or vect_debug_stats.
1568         (vect_get_base_and_offset):
1569         (vect_create_addr_base_for_vector_ref):
1570         (get_vectype_for_scalar_type):
1571         (vect_create_data_ref_ptr):
1572         (vect_init_vector):
1573         (vect_get_vec_def_for_operand):
1574         (vect_finish_stmt_generation):
1575         (vectorizable_assignment):
1576         (vectorizable_operation):
1577         (vectorizable_store):
1578         (vectorizable_load):
1579         (vect_transform_stmt):
1580         (vect_update_ivs_after_vectorizer):
1581         (vect_do_peeling_for_loop_bound):
1582         (vect_update_inits_of_drs):
1583         (vect_do_peeling_for_alignment):
1584         (vect_transform_loop):
1585         (vect_is_simple_use):
1586         (vect_analyze_operations):
1587         (vect_is_simple_iv_evolution):
1588         (vect_analyze_scalar_cycles):
1589         (vect_analyze_data_ref_dependence):
1590         (vect_analyze_data_ref_dependences):
1591         (vect_compute_data_ref_alignment):
1592         (vect_enhance_data_refs_alignment):
1593         (vect_analyze_data_refs_alignment):
1594         (vect_analyze_data_ref_access):
1595         (vect_analyze_data_ref_accesses):
1596         (vect_analyze_pointer_ref_access):
1597         (vect_get_memtag_and_dr):
1598         (vect_analyze_data_refs):
1599         (vect_mark_relevant):
1600         (vect_stmt_relevant_p):
1601         (vect_mark_stmts_to_be_vectorized):
1602         (vect_can_advance_ivs_p):
1603         (vect_get_loop_niters):
1604         (vect_analyze_loop_form):
1605         (vect_analyze_loop):
1606         (vectorize_loops): Likewise.
1607
1608         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1609         (vect_update_inits_of_drs):
1610         (vect_do_peeling_for_alignment):
1611         (vect_transform_loop):
1612         (vect_analyze_operations):
1613         (vect_analyze_scalar_cycles):
1614         (vect_analyze_data_ref_dependences):
1615         (vect_analyze_data_refs_alignment):
1616         (vect_analyze_data_ref_accesses):
1617         (vect_analyze_data_refs):
1618         (vect_mark_stmts_to_be_vectorized):
1619         (vect_get_loop_niters):
1620         (vect_analyze_loop_form):
1621         (vect_analyze_loop): Likewise.
1622         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1623
1624 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1625
1626         PR bootstrap/19796
1627         Revert:
1628         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1629         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1630         either -ffast-math or -funsafe-math-optimizations is in use.
1631
1632         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1633         * config/mips/irix-csr.c: New file.
1634         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1635         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1636         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1637         executables.
1638
1639 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1640
1641         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1642         redundant, incorrect definitions.
1643
1644         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1645         expand.
1646         ("*tls_indirect_call"): New, reference hard regs directly.
1647         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1648
1649 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1650
1651         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1652         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1653
1654 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1655
1656         PR rtl-optimization/19800
1657         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1658         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1659         gen_lowpart.
1660
1661 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1662
1663         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1664
1665 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1666
1667         PR other/17135
1668         * doc/invoke.texi: Correct documentation of -freorder-functions.
1669
1670 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1671
1672         PR other/14402
1673         * doc/invoke.texi: Don't mention gccbug.
1674
1675 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1676             Andrew Pinski  <pinskia@physics.uc.edu>
1677             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1678
1679         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1680         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1681         into just (zero_extract:SI FOO (const_int 1) BAR).
1682
1683 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1684
1685         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1686         macro locally.  Don't give last revision date.  Use GCC version
1687         number from gcc-common.texi.
1688         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1689         revision date.  Use GCC version number from gcc-common.texi.
1690         Describe being a library as current state rather than as 3.x
1691         history.
1692         * doc/gcc.texi: Remove last update date.
1693         * doc/gccint.texi: Likewise.  Update copyright dates.
1694         * doc/install.texi: Update copyright dates.
1695
1696 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1697
1698         PR other/7549
1699         * doc/invoke.texi: Mention for each option included in -Wall that
1700         it is included in -Wall.
1701         * doc/gcc.texi: Update copyright and last modification date.
1702
1703 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1704
1705         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1706         unnecessary cast to original induction variable increments.
1707
1708 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1709
1710         PR tree-optimization/18219
1711         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1712         in distributed form.
1713
1714 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1715
1716         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1717         Set bitpos and offset later in the function.  Do nothing if the
1718         target is a register and if the bitfield lies completely outside
1719         that register.
1720         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1721         here.  Return an uninitialised register if the source value is stored
1722         in a register and the bitfield lies completely outside that register.
1723
1724 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1725
1726         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1727         not SET_DEST.
1728
1729 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1730
1731         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1732
1733 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1734
1735         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1736         * config/darwin8.h: New.
1737         * config/darwin7.h: Update comment.
1738
1739 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1740             Dorit Naishlos  <dorit@il.ibm.com>
1741
1742         * tree-vectorizer.h (LOC): New type.
1743         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1744         (loop_line_number): New field in struct _loop_vec_info.
1745         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1746
1747         * tree-vectorizer.c (input.h): Included.
1748         (find_loop_location): New function.
1749         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1750         loop line number removed.
1751         (vect_debug_details): Likewise.
1752         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1753
1754         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1755         call to vect_debug_details/stats changed from loop to loop_loc.
1756         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1757         (slpeel_tree_peel_loop_to_edge): Likewise.
1758
1759         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1760         changed from NULL to UNKNOWN_LOC.
1761         (vect_get_base_and_offset):
1762         (vect_create_addr_base_for_vector_ref):
1763         (get_vectype_for_scalar_type):
1764         (vect_create_data_ref_ptr):
1765         (vect_init_vector):
1766         (vect_get_vec_def_for_operand):
1767         (vect_finish_stmt_generation):
1768         (vectorizable_assignment):
1769         (vectorizable_operation):
1770         (vectorizable_store):
1771         (vectorizable_load):
1772         (vect_transform_stmt):
1773         (vect_update_ivs_after_vectorizer):
1774         (vect_do_peeling_for_loop_bound):
1775         (vect_do_peeling_for_alignment):
1776         (vect_transform_loop):
1777         (vect_is_simple_use):
1778         (vect_analyze_operations):
1779         (vect_is_simple_iv_evolution):
1780         (vect_analyze_scalar_cycles):
1781         (vect_analyze_data_ref_dependences):
1782         (vect_compute_data_ref_alignment):
1783         (vect_enhance_data_refs_alignment):
1784         (vect_analyze_data_ref_access):
1785         (vect_analyze_data_ref_accesses):
1786         (vect_analyze_pointer_ref_access):
1787         (vect_get_memtag_and_dr):
1788         (vect_analyze_data_refs):
1789         (vect_mark_relevant):
1790         (vect_stmt_relevant_p):
1791         (vect_mark_stmts_to_be_vectorized):
1792         (vect_can_advance_ivs_p):
1793         (vect_get_loop_niters):
1794         (vect_analyze_loop):
1795         (vectorize_loops): Likewise.
1796
1797         (vectorizable_load): Argument in call to vect_debug_details/stats
1798         changed from loop to LOOP_LOC (loop_vinfo).
1799         (vect_transform_loop):
1800         (vect_analyze_operations):
1801         (vect_analyze_scalar_cycles):
1802         (vect_analyze_data_ref_dependence):
1803         (vect_enhance_data_refs_alignment):
1804         (vect_analyze_data_ref_accesses):
1805         (vect_analyze_pointer_ref_access):
1806         (vect_analyze_data_refs):
1807         (vect_analyze_loop): Likewise.
1808
1809         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1810         changed from loop to loop_loc.
1811
1812         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1813
1814 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1815             Dorit Naishlos  <dorit@il.ibm.com>
1816
1817         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1818         declaration added.
1819         (vect_analyze_data_ref_dependences): Likewise.
1820
1821         (vect_is_simple_use): Argument changed from loop structure to
1822         loop_vect_info structure.
1823         (vect_can_advance_ivs_p): Likewise.
1824         (vect_create_index_for_vector_ref): Likewise.
1825         (vect_update_ivs_after_vectorizer): Likewise.
1826         (new_stmt_vec_info): Likewise.
1827
1828         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1829         changed from loop to loop_vinfo.
1830         (vect_create_data_ref_ptr): First argument in call to
1831         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1832         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1833         was changed from loop to loop_vinfo.
1834         (vectorizable_operation): Likewise.
1835         (vectorizable_store): Likewise.
1836         (vect_mark_stmts_to_be_vectorized): Likewise.
1837         (vect_do_peeling_for_loop_bound): First argument in call to
1838         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1839         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1840         was changed from loop to loop_vinfo.
1841         (vect_analyze_data_ref_dependences): Third argument in call to
1842         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1843
1844         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1845         (vect_create_data_ref_ptr): Likewise.
1846         (vect_init_vector): Likewise.
1847         (vect_get_vec_def_for_operand): Likewise.
1848         (vectorizable_assignment): Likewise.
1849         (vectorizable_operation): Likewise.
1850         (vectorizable_store): Likewise.
1851         (vectorizable_load): Likewise.
1852         (vect_update_ivs_after_vectorizer): Likewise.
1853         (vect_is_simple_use): Likewise.
1854         (vect_analyze_data_ref_dependence): Likewise.
1855         (vect_analyze_pointer_ref_access): Likewise.
1856         (vect_can_advance_ivs_p): Likewise.
1857
1858         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1859         before _stmt_vec_info.
1860         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1861         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1862         (new_stmt_vec_info): Argument changed from loop structure to
1863         loop_vect_info structure
1864
1865         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1866         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1867         (vect_create_addr_base_for_vector_ref): Likewise.
1868         (vect_analyze_pointer_ref_access): Likewise.
1869
1870 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1871
1872         PR tree-opt/19768
1873         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1874         phi flag if the phi is abnormal.
1875
1876 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1877
1878         PR tree-opt/19736
1879         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1880         information for the new statement.
1881
1882 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1883
1884         PR driver/19117
1885         * gcc.c (main): Include the target in -v output.
1886
1887 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1888
1889         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1890         Do not drop the extend if we'd have to add a paradoxical subreg
1891         later.  Include optabs.h and insn-codes.h.
1892         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1893
1894 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1895
1896         PR middle-end/19405
1897         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1898         * fold-const.c (const_binop): Avoid constant folding floating
1899         point operations in modes that use composite representations.
1900         * simplify-rtx.c (simplify_binary_operation): Likewise.
1901
1902 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1903
1904         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1905         a REG, not a MEM.
1906         (altivec_dstt): Likewise.
1907         (altivec_dstst): Likewise.
1908         (altivec_dststt): Likewise.
1909         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1910         of first operand.
1911
1912 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1913
1914         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1915         EXPR_LOCUS from orig_cond to the new cond_stmt.
1916         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1917         the new vec_stmt.
1918
1919 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1920
1921         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1922         standard_iv_increment_position. Remove call to bsi_next
1923         (no need to bump the iterator anymore).
1924         (vect_create_index_for_vector_ref): Call
1925         standard_iv_increment_position. Remove second function argument.
1926         (vect_finish_stmt_generation): Remove call to bsi_next
1927         (no need to bump the iterator anymore).
1928         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1929         to vect_create_index_for_vector_ref.
1930
1931 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1932
1933         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1934         phis are used out of the loop.
1935
1936 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1937
1938         PR c/17807
1939         * c-decl.c (undef_nested_function): New variable.
1940         (pop_scope): Diagnose undefined nested functions.
1941         (finish_function): Don't attempt cgraph processing or genericizing
1942         if current top-level function contained an undefined nested
1943         function.  Reset undef_nested_function at the end of a top-level
1944         function.
1945
1946 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1947
1948         * tree.c (build_int_cst_type): Take sign of the value into account
1949         when deciding whether sign extend the value.
1950
1951 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1952
1953         PR c/18502
1954         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1955         (cpp_options, cc1_options): Change %{std*&ansi} to
1956         %{std*&ansi&trigraphs}.
1957
1958 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1959
1960         * cse.c: Update comments.
1961
1962 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1963
1964         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1965         arguments go on the stack.  Do not put complex doubles in odd/even
1966         pairs.
1967
1968 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1969
1970         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1971         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1972         -ftree-pre, and -fthread-jumps.
1973
1974 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1975
1976         PR tree-optimization/19578
1977         * tree-flow.h (modified_noreturn_calls): Declare.
1978         (noreturn_call_p): Declare.
1979         * tree-flow-inline.h (noreturn_call_p): New function.
1980         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1981         * tree-cfg.c (modified_noreturn_calls): New variable.
1982         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1983         that contain a mid-block noreturn call.
1984         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1985
1986 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1987
1988         * df.c (df_def_record_1, df_uses_record): Don't use
1989         DF_FOR_REGALLOC.
1990         * df.h (DF_FOR_REGALLOC): Remove.
1991
1992 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1993
1994         PR c/19435
1995         * c-typeck.c (really_start_incremental_init): Reset
1996         constructor_max_index for arrays of incomplete type.
1997
1998 2005-02-02  Jeff Law  <law@redhat.com>
1999
2000         * gcse.c (struct reg_set): Store the block index where the register
2001         was set rather than the setting insn.
2002         (record_one_set, compute_transp): Corresponding changes.
2003         (pre_insert_copy_insn): Do not call replace_one_set.
2004         (replace_one_set): Remove.
2005
2006 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2007
2008         PR other/15514
2009         * doc/gcov.texi: Fix typo.
2010
2011 2005-02-01  Richard Henderson  <rth@redhat.com
2012
2013         PR target/19680
2014         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2015         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2016         type to bool.
2017         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2018         * config/i386/i386-protos.h: Update.
2019
2020 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2021
2022         PR tree-optimization/19217
2023         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2024         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2025         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2026         that it is walking a PHI node.
2027
2028 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2029
2030         * doc/extend.texi (Nested Functions): Update.
2031
2032 2005-02-01  Richard Henderson  <rth@redhat.com>
2033
2034         PR 19696
2035         * optabs.c (expand_copysign_absneg): Export.
2036         * optabs.h (expand_copysign_absneg): Declare.
2037         * config/rs6000/rs6000.md (copysigntf3): New.
2038
2039 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2040
2041         PR tree-optimization/19633
2042         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2043         * tree-ssa-alias.c (init_alias_info): Initialize.
2044         (merge_pointed_to_info): Set.
2045         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2046         (dump_points_to_info_for): Show value of pt_null.
2047         (struct count_ptr_d): Declare.
2048         (find_ptr_dereference): Remove.
2049         (ptr_is_dereferenced_by): Remove.
2050         (count_ptr_derefs): New local function.
2051         (count_uses_and_derefs): New local function.
2052         (compute_points_to_and_addr_escape): Call it.  If the number
2053         of dereferences is greater than zero, mark the pointer as
2054         dereferenced.  If there are fewer dereferences than uses of
2055         the pointer, the pointer's value escapes.
2056
2057 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2058
2059         PR tree-optimization/19670
2060         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2061         here...
2062         (verify_use): ... set it here, instead.
2063
2064 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2065
2066         * doc/sourcebuild.texi (Test directives): Fix formatting.
2067
2068         * doc/sourcebuild.texi (Test directives): Describe selector
2069         expressions.
2070
2071 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2072
2073         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2074         specific 64-bit CPUs.
2075
2076 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2077
2078         PR target/16201
2079         * arm.c (arm_eliminable_register): New function.
2080         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2081         HOST_WIDE_INT for address offsets.
2082         * arm-protos.h (arm_eliminable_register): Add prototype.
2083
2084 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2085
2086         PR optimization/15242
2087         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2088         * basic-block.h (duplicate_computed_gotos): Add prototype.
2089         * bb-reorder.c (duplicate_computed_gotos): New function to
2090         duplicate sufficiently small blocks ending in a computed jump.
2091         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2092         if not optimizing for size.
2093         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2094         never do tail merging for blocks ending in a computed jump.
2095         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2096
2097 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2098
2099         Patch from Richard Sandiford <rsandifo@redhat.com>
2100         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2101         from inheriting a subreg equivalence with a non-spill register.
2102
2103         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2104
2105 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2106
2107         * config/frv/frv.c (movcc_fp_destination_operand): New.
2108         (gpr_or_memory_operand): Fix typo in comment.
2109         (gpr_or_memory_operand_with_scratch): New.
2110         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2111         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2112         movcc_fp_destination_operand.
2113         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2114         Legitimize memory addresses using a scratch register.
2115
2116 2005-01-31  Jeff Law  <law@redhat.com>
2117
2118         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2119         bitmap a sparse bitmap instead of a simple bitmap.
2120         (mark_def_sites_initialize_block):  Corresponding changes.
2121         (ssa_mark_def_sites_initialize_block): Likewise.
2122         (ssa_mark_phi_uses): Likewise.
2123         (mark_def_site, ssa_mark_def_sites): Likewise.
2124         (mark_def_site_blocks): Likewise.
2125         (rewrite_ssa_into_ssa): Likewise.
2126
2127         * tree-ssa-dom.c (record_cond): Pass correct variable type
2128         for last argument to htab_find_slot_with_hash.
2129
2130         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2131         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2132
2133 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2134
2135         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2136         1_mmalua.
2137
2138 2005-02-01  Eric Christopher  <echristo@redhat.com>
2139
2140         * config/mips/mips.c (override_options): Warn if -mint64
2141         is used.
2142         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2143         deprecated.
2144
2145 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2146
2147         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2148         timestamp.
2149         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2150         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2151         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2152         (cached_regno): Initialize to INVALID_REGNUM.
2153         (cse_reg_info_table_size,
2154         cse_reg_info_table_first_uninitialized,
2155         cse_reg_info_timestamp): New.
2156         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2157         get_cse_reg_info.
2158         (init_cse_reg_info, get_cse_reg_info_1): New.
2159         (get_cse_reg_info): Cache the last look-up.
2160         (new_basic_block): Update the code to clear mappings from
2161         registers to cse_reg_info entries.
2162         (cse_main): Call init_cse_reg_info.
2163
2164         * cse.c (get_cse_reg_info): Update a comment.
2165
2166 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2167
2168         PR c/19333
2169         * c-decl.c (start_decl): Do not warn about arrays of elements with
2170         an incomplete type here.
2171         (grokdeclarator): Do it here by making a pedwarn an error.
2172         * c-typeck.c (push_init_level): If there were previous errors with
2173         the constructor type, do not warn about braces for initializers.
2174         (process_init_element): Likewise for excess initializer elements.
2175
2176 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2177
2178         * cse.c (delete_trivially_dead_insn): Don't iterate.
2179
2180 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2181
2182         * config/rs6000/rs6000.md (copysignsf3): New expand.
2183         (copysigndf3): Likewise.
2184
2185 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2186
2187         * recog.c (constrain_operands): Only look for earlyclobber operand
2188         conflicts if an '&' constraint was seen.
2189
2190 2005-01-31  Marc Espie <espie@openbsd.org>
2191
2192         * config.gcc: Don't include embedded systems fragment, switches default
2193         debugging format to ELF.
2194         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2195         longer pick it up there.
2196
2197 2005-01-31  Dale Johannesen  <dalej@apple.com>
2198
2199         * doc/extend.texi (nested functions): Fix linkage description.
2200         Clarify that static is not allowed.
2201
2202 2005-01-31  Dale Johannesen  <dalej@apple.com>
2203
2204         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2205         (movdf_low_di):  Make work.
2206
2207 2005-01-31  Dale Johannesen  <dalej@apple.com>
2208
2209         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2210         Make work for 64 bit.
2211
2212 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2213             Dale Johannesen  <dalej@apple.com>
2214
2215         PR middle-end/19650
2216         * fold-const.c (fold_binary_op_with_conditional_arg):
2217         Make types match original operands, before STRIP_NOPS.
2218
2219 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2220
2221         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2222         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2223         (struct gcc_sigcontext): Delete.  Merge contents to..
2224         (struct gcc_ucontext): ..here.
2225         (get_sigcontext): Delete.
2226         (get_regs): New function, like get_sigcontext but return regs ptr.
2227         64-bit version finds regs from r1 to support vdso.
2228         (ppc_linux_aux_vector): New function.
2229         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2230         and vector regs.
2231
2232 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2233
2234         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2235         sizetype.
2236         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2237         redundant fold. Fix misalignment for MINUS_EXPR.
2238         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2239         (vect_analyze_pointer_ref_access): Likewise.
2240         (vect_get_memtag_and_dr): Likewise.
2241
2242 2005-01-31  Richard Henderson  <rth@redhat.com>
2243
2244         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2245         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2246         absnegdf2_i387, absnegxf2_i387): Likewise.
2247
2248 2005-01-31  Richard Henderson  <rth@redhat.com>
2249
2250         PR 19696
2251         * optabs.c (expand_copysign_absneg): New.
2252         (expand_copysign_bit): Split out from ...
2253         (expand_copysign): ... here.  Use expand_copysign_absneg.
2254
2255 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2256
2257         PR middle-end/19697
2258         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2259         constant as the second operand and a register as the third.
2260
2261 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2262
2263         PR target/19704
2264         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2265         that dllimport'd functions do not use all call-clobbered registers
2266         to pass parameters.
2267
2268 2005-01-30  Richard Henderson  <rth@redhat.com>
2269
2270         PR 19696
2271         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2272         expand_abs_nojump and generalize.  Use operand_subword and
2273         emit_no_conflict_block.  Support large modes.
2274         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2275         back to maximum.
2276         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2277         negation to subtraction.
2278         (expand_copysign): Check that the format has signed zeros.
2279         Use operand_subword and emit_no_conflict_block.  Support large modes.
2280
2281 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2282
2283         Fix PR tree-optimization/19624
2284
2285         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2286         * tree-ssa-pre.c: Add cfgloop.h.
2287         Update comment.
2288         (pre_stats): New member, constified.
2289         (inserted_exprs): New static variable.
2290         (NECESSARY): New macro.
2291         (create_expression_by_pieces): Fold the expression, and
2292         mark it as defaulting to not necessary. Also put in
2293         inserted_exprs.
2294         (fully_constant_expression): New function.
2295         (insert_into_preds_of_block): Modify to not insert phis when we
2296         are playing with induction variables.
2297         Push phis onto the inserted_exprs vector, and mark them as not
2298         necessary by default.
2299         (insert_aux): Call fully_constant_expression on eprime.
2300         If all edges produce the same value, mark it constant.
2301         (mark_operand_necessary): New function.
2302         (remove_dead_inserted_code): New function.
2303         (init_pre): Init loop optimizer to get loop info.
2304         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2305         (execute_pre): Commit edge inserts, then remove dead code.
2306
2307 2005-01-30  Richard Henderson  <rth@redhat.com>
2308
2309         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2310         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2311
2312 2005-01-30  Richard Henderson  <rth@redhat.com>
2313
2314         PR target/19700
2315         * config/i386/i386.c (ix86_expand_copysign): New.
2316         (ix86_split_copysign_const): New.
2317         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2318         rearrange op1/nmask operands.
2319         * config/i386/i386-protos.h: Update.
2320         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2321         (copysigndf3): Likewise.
2322         (copysignsf3_const, copysigndf3_const): New.
2323         (copysignsf3_var): Rename from copysignsf3, split out splitter
2324         and fix split predicate for X constraint.
2325         (copysigndf3_var): Similarly.
2326
2327 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2328
2329         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2330         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2331         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2332
2333 2005-01-29  Richard Henderson  <rth@redhat.com>
2334
2335         PR target/19690
2336         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2337         of # and * in constraints.
2338
2339 2005-01-29  Richard Henderson  <rth@redhat.com>
2340
2341         PR middle-end/19689
2342         * expr.c (store_field): Don't strip sub-mode cast when the input
2343         data is even smaller.
2344
2345 2005-01-29  Richard Henderson  <rth@redhat.com>
2346
2347         PR middle-end/19687
2348         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2349         union being empty.
2350
2351 2005-01-29  Richard Henderson  <rth@redhat.com>
2352
2353         * combine.c (make_field_assignment): Fix argument order
2354         to gen_int_mode.
2355
2356 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2357
2358         PR tree-optimization/15791
2359         * fold-const.c (extract_array_ref): New function.
2360         (fold): Fold comparisons between &a[i] and &a[j] or
2361         semantically equivalent trees.
2362
2363 2005-01-29  Jeff Law  <law@redhat.com>
2364
2365         * gcse.c (insert_expr_in_table): Revamp handling of available
2366         and anticipatable occurrence lists to avoid unnecessary list
2367         walking.
2368         (insert_set_in_table): Similarly.
2369
2370 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2371
2372         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2373         build string type.
2374         (c_build_qualified_type): Build qualified array types with
2375         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2376         * c-decl.c (c_make_fname_decl): Build unqualified array type
2377         before qualified type.
2378         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2379         type is qualified, not just if type itself is.  Don't apply
2380         qualifiers to array type when declarator is processed.  Apply
2381         qualifiers to field type whether or not it is an array type.
2382         Don't handle array types specially for applying qualifiers to
2383         variables.
2384         * c-typeck.c (composite_type): Build unqualified element type and
2385         array type when forming composite of array types.
2386         (common_pointer_type, comptypes, comp_target_types,
2387         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2388         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2389         types.
2390         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2391         (args2) in variables a1 and a2.
2392
2393 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2394
2395         * cse.c (n_elements_made, max_elements_made): Remove.
2396         (insert): Don't touch n_elements_made.
2397         (cse_main): Don't touch n_elements_made or max_elements_made.
2398
2399 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2400
2401         PR target/15384
2402         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2403         configuration part of dp-bit.c to be lost.
2404
2405 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2406
2407         * expmed.c (expand_mult_highpart_optab): When attempting to use
2408         a non-widening multiplication in a wider mode, the operands need
2409         to be converted (zero or sign extended) to that mode.
2410
2411 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2412
2413         PR middle-end/16558
2414         PR middle-end/19583
2415         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2416         through if both operands fall through.
2417
2418 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2419
2420         * cse.c (fold_rtx) <PC>: Don't optimize.
2421
2422 2005-01-28  Jeff Law  <law@redhat.com>
2423
2424         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2425         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2426
2427 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2428
2429         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2430         cse_reg_info_used_list_end): Remove.
2431         (cse_reg_info_list, cse_reg_info_list_free): New.
2432         (get_cse_reg_info): When allocating an instance of
2433         cse_reg_info, add it to the beginning of the cse_reg_info_list
2434         list.  Remove code to maintain cse_reg_info_used_list.
2435         (new_basic_block): Reset the free list to the beginning of
2436         cse_reg_info_list.
2437
2438 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2439
2440         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2441         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2442         (frv_expand_mdpackh_builtin): New function.
2443         (frv_expand_builtin): Use it to expand __MDPACKH.
2444         * doc/extend.texi (__MDPACKH): Update documentation.
2445
2446 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2447
2448         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2449         SSE_FLOAT_MODE_P for use_sse computation.
2450
2451 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2452
2453         PR target/19663
2454         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2455
2456 2005-01-27  Richard Henderson  <rth@redhat.com>
2457
2458         * builtins.c (expand_builtin_copysign): New.
2459         (expand_builtin): Call it.
2460         * genopinit.c (optabs): Add copysign_optab.
2461         * optabs.c (init_optabs): Initialize it.
2462         (expand_copysign): New.
2463         * optabs.h (OTI_copysign, copysign_optab): New.
2464         (expand_copysign): Declare.
2465
2466         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2467         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2468
2469         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2470         (ix86_expand_fp_absneg_operator): ... here.
2471         (ix86_split_copysign): New.
2472         * config/i386/i386-protos.h: Update.
2473         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2474         (copysignsf3, copysigndf3): New.
2475
2476         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2477         (copysignsf3, ncopysignsf3): New.
2478         (copysigndf3, ncopysigndf3): New.
2479         (copysignxf3, ncopysignxf3): New.
2480         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2481
2482 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2483             Kazu Hirata  <kazu@cs.umass.edu>
2484
2485         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2486         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2487         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2488         NULL_RTX.
2489
2490 2005-01-27  Jeff Law  <law@redhat.com>
2491
2492         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2493         definitions of SSA_NAMEs which are not being rewritten.
2494         (rewrite_ssa_into_ssa): Only initialize the current definition
2495         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2496         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2497         SSA_NAMEs before returning.
2498
2499 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2500
2501         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2502         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2503         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2504         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2505         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2506
2507 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2508
2509         PR middle-end/17278
2510         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2511         higher to -O2 and higher.  Likewise for tree PRE.
2512         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2513         and better.
2514
2515 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2516
2517         PR middle-end/19583
2518         * gimple-low.c (try_catch_may_fallthru): New static function.
2519         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2520         * tree-inline.c (expand_call_inline): Don't warn about reaching
2521         the end of a non-void function being inlined if the function uses
2522         a return slot.
2523
2524 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2525
2526         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2527
2528         PR c/18946
2529         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2530         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2531         (implicitly_declare): Handle error_mark_node.
2532
2533 2005-01-27  Richard Henderson  <rth@redhat.com>
2534
2535         PR tree-opt/14329
2536         * tree.h (struct tree_decl): Add debug_expr_is_from.
2537         (DECL_DEBUG_EXPR_IS_FROM): New.
2538         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2539         * dwarf2out.c (dwarf2out_var_location): Update to match.
2540         * tree-outof-ssa.c (create_temp): Likewise.
2541         * var-tracking.c (track_expr_p): Likewise.
2542         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2543         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2544         * toplev.c (default_tree_printer): Likewise.
2545
2546 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2547
2548         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2549         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2550
2551 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2552
2553         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2554         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2555         ASM_CLOBBERS): Add tree checks.
2556
2557         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2558         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2559         * c-common.def (SWITCH_STMT): Update to match.
2560         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2561         macros instead of SWITCH_EXPR ones.
2562         * c-dump.c (c_dump_tree): Likewise.
2563         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2564         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2565
2566         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2567
2568 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2569
2570         * unwind-dw2.c (execute_stack_op): Add missing cases for
2571         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2572
2573 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2574
2575         * config.gcc (Obsolete configurations): Remove 'dummy', add
2576         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2577         sparc-*-openbsd*.
2578
2579 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2580
2581         PR tree-optimization/19633
2582         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2583         CALL_EXPRs.
2584         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2585         are no call-clobbered variables.
2586         * tree-outof-ssa.c (check_replaceable): Return false for calls
2587         with side-effects.
2588
2589 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2590
2591         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2592         even for variables with NULL DECL_INITIAL.
2593
2594 2005-01-26  Stuart Hastings  <stuart@apple.com>
2595
2596         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2597
2598 2005-01-26  Richard Henderson  <rth@redhat.com>
2599
2600         PR middle-end/18008
2601         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2602         field's type.
2603         * expr.c (store_field): Strip conversions to odd-bit-sized types
2604         if the destination field width matches.
2605
2606 2005-01-26  Richard Henderson  <rth@redhat.com>
2607
2608         * c-decl.c, expmed.c, expr.c: Revert last change.
2609
2610 2005-01-26  Richard Henderson  <rth@redhat.com>
2611
2612         PR middle-end/18008
2613         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2614         field's type.
2615         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2616         if we don't need the bits above those present in the current mode.
2617         * expr.c (store_field): Strip conversions to odd-bit-sized types
2618         if the destination field width matches.
2619
2620 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2621
2622         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2623         either -ffast-math or -funsafe-math-optimizations is in use.
2624
2625 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2626
2627         PR target/19293
2628         PR target/19329
2629         * config/avr/avr.c (notice_update_cc): Only set condition code for
2630         ashrqi3 if shift count > 0.
2631         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2632         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2633         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2634         count <= 0 as a no-op, and shift count >= width by copying zero
2635         or sign bit to all bits of the result.
2636         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2637         count, with attribute "length" set to 0 and "cc" set to "none".
2638
2639 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2640
2641         * doc/invoke.texi: Document -mTLS.
2642
2643         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2644         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2645         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2646         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2647         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2648         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2649         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2650         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2651
2652         * configure.ac: Check for a TLS capable gas.
2653
2654         * configure: Regenerate.
2655
2656 2005-01-26  Richard Henderson  <rth@redhat.com>
2657
2658         PR middle-end/18008
2659         * combine.c (make_field_assignment): Simplify store to zero_extract
2660         from a source with an overlapping mask.
2661
2662 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2663
2664         2004-11-11  Eric Christopher  <echristo@redhat.com>
2665
2666         * config/frv/frv.md: Add fr400_integer automaton. Don't
2667         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2668         to TYPE_MACC.
2669
2670 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2671
2672         PR middle-end/16585
2673         * cfgbuild.c (make_edges): Do not clear or set
2674         current_function_has_computed_jump.
2675         * function.h (struct function): Remove the has_computed_jump field.
2676         (current_function_has_computed_jump): Do not define.
2677         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2678         in a computed jump.  Ignore current_function_has_computed_jump.
2679
2680 2005-01-26  Richard Henderson  <rth@redhat.com>
2681
2682         PR middle-end/19515
2683         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2684         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2685         fully initialized.
2686         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2687         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2688         objects into static storage if they have more than one non-zero value.
2689         * tree.h (categorize_ctor_elements): Update decl.
2690
2691 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2692
2693         PR middle-end/19616
2694         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2695         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2696         to this function from 2004-07-10.
2697         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2698         the current function for tail call optimizations if the address
2699         of one of it its arguments is taken.
2700
2701 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2702
2703         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2704
2705 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2706
2707         * function.c (expand_function_end): If current_function_calls_alloca,
2708         emit stack restore in a place that is reached when the function falls
2709         through at the end.
2710
2711 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2712
2713         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2714         rule to avoid matching inappropriate suffix rule.
2715
2716 2005-01-26  Jan Hubicka  <jh@suse.cz>
2717
2718         PR tree-optimization/19241
2719         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2720
2721 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2722
2723         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2724         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2725         of doubling.
2726         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2727         <sim*>: Always use crt1.o, regardless of N in simN.
2728         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2729         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2730         (CRT_CALL_STATIC_FUNCTION): Remove.
2731         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2732         use crt1.o, regardless of N in simN.
2733         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2734         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2735         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2736         case isystem setting.
2737         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2738
2739 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2740
2741         * gimple-low.c (block_may_fallthru): Correct handling of
2742         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2743
2744 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2745
2746         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2747         handlers to match indentation; nested under the mtune=* handler.
2748         Similar for mcpu= and march=.
2749
2750 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2751
2752         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2753         * config/mips/linux64.h (LIB_SPEC): Likewise.
2754         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2755         * config/sh/linux.h (LIB_SPEC): Likewise.
2756
2757 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2758
2759         * config/frv/frv.c (frv_legitimize_tls_address): New.
2760         (TARGET_HAVE_TLS): Define.
2761         (FRV_SYMBOL_REF_TLS_P): Define.
2762         (frv_override_options): Handle new register classes.
2763         (frv_legitimate_address_p): Reject tls addresses.
2764         (frv_legitimize_address): Handle TLS addresses.
2765         (gen_inlined_tls_plt): New.
2766         (gen_tlsmoff): New.
2767         (frv_legitimize_tls_address): New.
2768         (unspec_got_name): Add TLS entries.
2769         (got12_operand): Add R_FRV_TLSMOFF12 case.
2770         (frv_emit_move): Fixup TLS addresses.
2771         (frv_emit_movsi): Legitimize TLS addresses.
2772
2773         * config/frv/frv.h (MASK_BIG_TLS): New.
2774         (TARGET_BIG_TLS): New.
2775         (HAVE_AS_TLS): Define.
2776         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2777         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2778         (REG_CLASS_NAMES): Same.
2779         (REG_CLASS_CONTENTS): Same.
2780         (CONSTRAINT_LEN): New.
2781         (REG_CLASS_FROM_CONSTRAINT): New.
2782         (PREDICATE_CODES): Add symbolic_operand.
2783
2784         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2785         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2786         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2787         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2788         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2789         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2790         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2791         GR9_REG, GR14_REG, LRREG.
2792         (type): Add load_or_call attribute.
2793         ("load_or_call"): New reservation.
2794         ("call_gettlsoff"): New.
2795         ("tls_indirect_call"): New.
2796         ("tls_load_gottlsoff12"): New.
2797         ("tlsoff_hilo"): New.
2798         ("tls_tlsdesc_ldd"): New.
2799         ("tls_tlsoff_ld"): New.
2800         ("tls_lddi"): New.
2801
2802         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2803
2804         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2805
2806         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2807         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2808         * config/frv/frv.c (TLS_BIAS): Define.
2809         (frv_output_dwarf_dtprel): New.
2810
2811 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2812
2813         PR rtl-optimization/19579
2814         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2815         both A and B, see if they don't clobber registers the other expr uses.
2816
2817 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2818
2819         * real.c (do_add): Initialize signalling and canonical members.
2820
2821         * real.c (real_from_integer): Zero out destination.
2822
2823 2005-01-18  Jan Hubicka  <jh@suse.cz>
2824
2825         PR tree-optimize/19337
2826         * tree-inline.c (initialize_inlined_parameters): Copy
2827         saved_static_chain_decl only.
2828
2829 2005-01-25  Richard Henderson  <rth@redhat.com>
2830
2831         PR target/19556
2832         PR target/19584
2833         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2834         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2835         80387 enabled, to return a proper subclass.  Return the subset that
2836         overlaps with GENERAL_REGS for PLUS.
2837         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2838
2839 2005-01-25  Richard Henderson  <rth@redhat.com>
2840
2841         PR middle-end/19609
2842         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2843
2844 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2845
2846         * expmed.c (choose_multiplier): Change interface to return the
2847         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2848         (expand_divmod): Update calls to choose_multiplier.
2849
2850 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2851
2852         PR middle-end/19330
2853         * expmed.c (extract_bit_field): Use adjust_address instead of
2854         gen_lowpart when op0 is a MEM.
2855
2856 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2857
2858         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2859
2860 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2861
2862         * config/mips/irix-csr.c: New file.
2863         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2864         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2865         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2866         executables.
2867
2868 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2869
2870         PR bootstrap/19364
2871         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2872         sparc/elf.h, add sparc/sp-elf.h.
2873         (sparc-*-rtems*): Likewise.
2874         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2875         tm-dwarf2.h, add sparc/sp-elf.h.
2876         (sparc86x-*-elf): Likewise.
2877         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2878         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2879         TARGET_OS_CPP_BUILTINS.
2880         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2881         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2882         Undefine it.
2883         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2884         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2885         (SWITCH_TAKES_ARG): Likewise.
2886         (LOCAL_LABEL_PREFIX): Likewise.
2887         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2888         (TARGET_N_FORMAT_TYPES): Delete.
2889         (TARGET_FORMAT_TYPES): Likewise.
2890         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2891         * config/sparc/elf.h: Delete.
2892         * config/sparc/sp-elf.h: New file.
2893
2894 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2895
2896         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2897         * tree-flow.h: Remove the corresponding prototype.
2898         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2899         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2900
2901 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2902
2903         PR target/17751
2904         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2905         for AIX ABI or ELF -fPIC.
2906         (rs6000_emit_load_toc_table): Don't create toc_section here.
2907         (rs6000_xcoff_file_start): Nor here.
2908
2909 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2910
2911         * sh.c (ra.h): Don't #include.
2912         (hard_regs_intersect_p): New function, resurrected from ra.c.
2913
2914         * sh.c: Fix 1996 Copyright.
2915
2916 2005-01-24  Richard Henderson  <rth@redhat.com>
2917             Aldy Hernandez  <aldyh@redhat.com>
2918
2919         * regrename.c (note_sets): Handle subregs.
2920
2921 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2922
2923         PR bootstrap/18058
2924         * genconditions.c (write_header, write_conditions): Elide file if
2925         not GCC >= 3.0.1.
2926
2927 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2928
2929         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2930         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2931         Update copyright.
2932
2933 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2934
2935         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2936         expand_builtin_printf, expand_builtin_fprintf,
2937         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2938         checking against POINTER_TYPE.
2939         (validate_arglist): Handle POINTER_TYPE code by checking
2940         POINTER_TYPE_P.
2941
2942 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2943
2944         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2945         init_rtlanal): New.
2946         (for_each_rtx): Call for_each_rtx_1.
2947         * rtl.h (init_rtlanal): Declare.
2948         * toplev.c (backend_init): Call init_rtlanal.
2949
2950 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2951
2952         * flow.c (propagate_one_insn): Formatting.
2953
2954         PR middle-end/19551
2955         * flow.c (libcall_dead_p): Be more conservative if unsure.
2956         If there are any instructions between insn and call, see if they are
2957         all dead before saying the libcall is dead.
2958
2959 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2960
2961         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2962         operand constraint for operand 0.
2963
2964 2005-01-23  Richard Henderson  <rth@redhat.com>
2965
2966         PR 19486
2967         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2968         edges leading to join block.
2969
2970 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2971
2972         * expmed.c (expand_mult_highpart): Make static.  Change type of
2973         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2974         (expand_divmod): Updates calls to expand_mult_highpart by using
2975         gen_int_mode to pass a CONST_INT rtx.
2976         * rtl.h (expand_mult_highpart): Remove prototype.
2977
2978 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2979
2980         * flow.c (regset_bytes, regset_size): Remove.
2981
2982         * cfganal.c: Fix a reference to Harvey's paper.
2983
2984 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2985
2986         PR rtl-optimization/19464
2987         * tree-optimize.c (init_tree_optimization_passes): Add one more
2988         copyrename pass just before out-of-ssa.
2989
2990 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2991
2992         PR bootstrap/18058
2993         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2994         * ggc-none.c (ggc_free): Define.
2995
2996 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2997
2998         * cse.c (max_reg, max_insn_uid): Remove.
2999         (cse_main): Don't access max_reg or max_insn_uid.
3000
3001         * c-common.c (explicit_flag_signed_bitfields,
3002         lang_statement_code_p, lang_expand_function_end): Remove.
3003         * c-common.h: Remove the corresponding declarations.
3004         * c-opts.c (c_common_handle_option): Remove all write access
3005         to explicit_flag_signed_bitfields.
3006
3007         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3008         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3009         * cgraph.h: Remove the corresponding declaration.
3010
3011         * gcse.c (null_pointer_info): Remove.
3012
3013 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3014             Eric Botcazou  <ebotcazou@libertysurf.fr>
3015
3016         * combine.c (simplify_logical): Only simplify logical expressions
3017         of the form ior(and(x,y),z) by the inverse distributive law if the
3018         result is cheaper than the original.
3019
3020 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3021
3022         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3023         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3024         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3025         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3026         config/freebsd-spec.h, config/arm/arm.h,
3027         config/h8300/h8300.md, config/i386/i386.md,
3028         config/i386/predicates.md, config/i386/sse.md,
3029         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3030         config/vax/vax.md: Fix comment typos.  Follow spelling
3031         conventions.
3032
3033 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3034
3035         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3036         tests, instead of `less than'.
3037
3038 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3039
3040         * function.c (assign_parm_setup_block): When creating a new stack slot
3041         for a parameter, get its alignment from the parameter's DECL_ALIGN
3042         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3043         is at least word aligned.
3044
3045 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3046
3047         PR middle-end/19378
3048         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3049
3050 2005-01-22  Richard Henderson  <rth@redhat.com>
3051
3052         PR target/19506
3053         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3054         in both compare operands.
3055         (movdfcc_1_sse_max): Likewise.
3056         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3057         (movdfcc_1_sse): Likewise.
3058         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3059         scratch register as needed.
3060
3061 2005-01-22  Richard Henderson  <rth@redhat.com>
3062
3063         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3064
3065         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3066
3067 2005-01-22  Richard Henderson  <rth@redhat.com>
3068
3069         * genopinit.c (optabs): Use smin/smax for floating point too.
3070         * doc/md.texi: Update to match.  Clarify that floating point
3071         results are undefined for +0/-0 and NaN.
3072         * doc/rtl.texi: Likewise.
3073         * rtl.def (SMIN, SMAX): Likewise
3074         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3075
3076         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3077         leading 's' to the name.
3078         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3079         smaxxf3, sminxf3): Likewise.
3080         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3081         Likewise.
3082
3083 2005-01-22  Paul Brook  <paul@codesourcery.com>
3084
3085         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3086
3087 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3088
3089         * config/s390/s390.c (struct processor_costs): New fields
3090         dlgr, dlr, dr, dsgfr, dsgr.
3091         (z900_cost, z990_cost): Values for new fields.
3092         (s390_rtx_costs): New cases MEM und COMPARE in switch
3093         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3094         DIV, MOD, UDIV, UMOD.
3095
3096 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3097
3098         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3099         into the register being decremented.
3100         ("doloop_si31", "doloop_di"): Likewise.
3101         ("*doloop_si_long"): Adapt pattern.
3102
3103 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3104
3105         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3106         access registers.
3107         (CLASS_MAX_NREGS): Likewise.
3108
3109 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3110
3111         * doc/tree-ssa.texi (Statement Operands): Add example for new
3112         must-def macro. Note deprecation of old operands interface.
3113
3114 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3115
3116         PR tree-optimization/19484
3117         * tree-cfg.c (remove_fallthru_edge): New function.
3118         (cleanup_control_flow): Remove fallthru edges from calls that are
3119         now known not to return.
3120
3121 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3122
3123         Fix PR tree-optimization/19038
3124         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3125         copies with loop variant ones.
3126
3127 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3130         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3131         config/alpha/alpha.md, config/alpha/predicates.md,
3132         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3133         config/sparc/sol2.h: Update copyright.
3134
3135         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3136         first label to see if it is a nonlocal label.
3137
3138 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3139             Andrew Pinski  <pinskia@physics.uc.edu>
3140
3141         PR target/19491
3142         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3143         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3144
3145 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3146
3147         * config/rs6000/rtems.h: Update copyright.
3148
3149 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3150
3151         PR target/19548
3152         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3153         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3154         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3155
3156 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3157
3158         PR c/18809
3159         * c-typeck.c (convert_arguments): Check for error_mark_node.
3160
3161 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3162
3163         PR tree-optimization/13000
3164         * tree-inline.c: Include "tree-flow.h".
3165         (expand_call_inline): If warn_return_type, warn if non-void inline
3166         function falls through.
3167         * tree-cfg.c (execute_warn_function_return): Don't warn about
3168         control reaching end if TREE_NO_WARNING is set.  Set
3169         TREE_NO_WARNING.
3170         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3171         has been lowered.
3172         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3173         branch if we don't need one.
3174         * c-typeck.c: Include "tree-flow.h"
3175         (c_finish_bc_stmt): Don't add a goto if the current statement
3176         list doesn't fall through to the current point.
3177
3178 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3179
3180         PR rtl-optimization/576
3181         * real.c (real_arithmetic): Change return type from void to bool
3182         to return an indication that the result may be inexact.
3183         * real.h (real_arithmeric): Update prototype.
3184         * fold-const.c (const_binop):  Don't constant fold floating
3185         point expressions when the user specifies -frounding-math and
3186         the result may depend upon the run-time rounding mode.
3187         (fold_convert_const_real_from_real): Clean-up.
3188         (fold_initializer): Ignore flag_rounding_math for initializers.
3189         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3190         constant fold FP operations with flag_rounding_math if the
3191         result may depend upon the run-time rounding mode.
3192
3193 2005-01-21  Tom Tromey  <tromey@redhat.com>
3194
3195         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3196
3197 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3198
3199         * tree-cfg.c: Fix comment typos.
3200
3201 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3202
3203         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3204         around the call to rest_of_handle_branch_target_load_optimize.
3205
3206 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3207
3208         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3209         (sparc64-*-openbsd*): Likewise.
3210         (sparclite-*-elf*): Include tm-dwarf2.h.
3211         (sparc86x-*-elf*): Likewise.
3212         (sparc64-*-elf*): Likewise.
3213         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3214         (DBX_DEBUGGING_INFO): Likewise.
3215         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3216         (PREFERRED_DEBUGGING_TYPE): Likewise.
3217         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3218         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3219         (PREFERRED_DEBUGGING_TYPE): Likewise.
3220         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3221         (PREFERRED_DEBUGGING_TYPE): Likewise.
3222         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3223
3224 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3225
3226         PR target/18701
3227         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3228
3229 2005-01-20  Paul Brook  <paul@codesourcery.com>
3230
3231         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3232
3233 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3236         label is first in a sequence of labels.
3237
3238         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3239
3240 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3241             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3242
3243         * doc/sourcebuild.texi (Test Directives): New.
3244
3245 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3246
3247         * real.c (real_floor): Don't leave the result uninitialized when
3248         mode is VOIDMode, but return the unrounded intermediate value.
3249         (real_ceil): Likewise.
3250
3251 2005-01-20  Paul Brook  <paul@codesourcery.com>
3252
3253         * config/arm/arm.md (insv): Use gen_int_mode.
3254
3255 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3256
3257         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3258         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3259         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3260         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3261         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3262
3263 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3264
3265         Fix PR debug/19124
3266         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3267         fbreg, so we have to assume we can't.
3268         (loc_descriptor_from_tree_1): Ditto.
3269         (containing_function_has_frame_base): New function.
3270         (add_location_or_const_value_attribute): Use it.
3271         Also try to generate a frame_base from a single element location
3272         list.
3273
3274 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3275
3276         PR tree-optimization/15349
3277         * timevar.def (TV_TREE_MERGE_PHI): New.
3278         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3279         PHI_WANTED.
3280         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3281         calls to tree_forwarder_block_p.
3282         (remove_forwarder_block_with_phi, merge_phi_nodes,
3283         gate_merge_phi, pass_merge_phi): New.
3284         * tree-optimize.c (init_tree_optimization_passes): Add
3285         pass_merge_phi.
3286         * tree-pass.h: Add an extern for pass_merge_phi;
3287
3288 2005-01-20  Richard Henderson  <rth@redhat.com>
3289
3290         PR target/19418
3291         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3292         (_mm_castps_pd, _mm_castps_si128): New.
3293         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3294
3295 2005-01-20  Richard Henderson  <rth@redhat.com>
3296
3297         PR target/19530
3298         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3299         __builtin_ia32_vec_init_v2si.
3300         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3301         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3302         (ix86_init_mmx_sse_builtins): Create it.
3303         (ix86_expand_builtin): Expand it.
3304         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3305         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3306         (vec_extractv2si_0, vec_extractv2si_1): New.
3307
3308 2005-01-20  Richard Henderson  <rth@redhat.com>
3309
3310         PR target/16533
3311         * config/i386/i386.c (ix86_expand_push): New.
3312         * config/i386/mmx.md (push<MMXMODE>1): New.
3313         * config/i386/sse.md (push<SSEMODE>1): New.
3314         * config/i386/i386-protos.h: Update.
3315
3316 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3317
3318         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3319         copyright.
3320
3321 2005-01-20  Richard Henderson  <rth@redhat.com>
3322
3323         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3324         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3325
3326 2005-01-19  Richard Henderson  <rth@redhat.com>
3327
3328         PR target/19350
3329         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3330         to V4SFmode in SSE1 fallback load path.
3331
3332 2005-01-19  Richard Henderson  <rth@redhat.com>
3333
3334         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3335         in QImode expansion to ix86_expand_vector_set.
3336         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3337
3338 2005-01-19  Richard Henderson  <rth@redhat.com>
3339
3340         PR target/19511
3341         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3342         subclass of the input class.
3343         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3344         Always true for cross-SSE1 classes.  Rationalize conditionals.
3345         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3346         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3347         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3348         (movdi_2): Add MMX/SSE zeros.
3349         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3350         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3351         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3352         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3353         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3354         (zero_extendsidi2_rex64_1): Remove.
3355         (MOV0 peephole): Check GENERAL_REG_P.
3356
3357 2005-01-19  Richard Henderson  <rth@redhat.com>
3358
3359         PR target/19427
3360         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3361         shufps elements.
3362         (ix86_expand_vector_extract): Likewise.
3363
3364 2005-01-19  Richard Henderson  <rth@redhat.com>
3365
3366         PR middle-end/19304
3367         * expr.c (emit_move_change_mode): New argument force; use
3368         simplify_gen_subreg if true.
3369         (emit_move_via_alt_mode): Merge into ...
3370         (emit_move_via_integer): ... here.
3371         (emit_move_ccmode): Use emit_move_change_mode directly.
3372
3373 2005-01-19  Richard Henderson  <rth@redhat.com>
3374
3375         PR target/19518
3376         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3377         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3378         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3379         rtl if true.
3380         (alpha_emit_set_const): Likewise.  Make static.
3381         (alpha_emit_set_long_const): Make static.
3382         (alpha_extract_integer): Split out from alpha_expand_mov.
3383         (alpha_split_const_mov): Likewise.
3384         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3385         (alpha_legitimate_constant_p): New.
3386         * config/alpha/alpha-protos.h: Update.
3387         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3388         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3389         * config/alpha/alpha.md (movsi): Add n alternative.
3390         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3391         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3392         (splitters for all of the above): Use alpha_split_const_mov.
3393         * config/alpha/predicates.md (non_add_const_operand): New.
3394         (non_zero_const_operand): New.
3395         (input_operand): Use alpha_legitimate_constant_p after reload.
3396
3397 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3398
3399         PR tree-optimization/19038
3400         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3401         (add_candidate): Add ivs with increment in latch only if
3402         allow_ip_end_pos_p is true.
3403         (determine_iv_cost): Use empty_block_p.
3404
3405 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3406
3407         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3408         (compute_dominance_frontiers): Ditto.
3409
3410 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3411
3412         PR target/19529
3413         * config/sh/t-rtems: New.
3414         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3415
3416 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3417
3418         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3419         the offset of the selected field.
3420
3421 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3422
3423         * tree-cfg.c (remove_forwarder_block): Fix the check to
3424         prevent a nonlocal label from appearing in the middle of a
3425         basic block.
3426
3427 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3428
3429         PR rtl-optimization/19462
3430         * reorg.c (find_end_label): Create return insn only if
3431         current_function_epilogue_delay_list is empty.
3432
3433 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3434
3435         * doc/passes.texi: Remove paragraph mentioning new-ra.
3436
3437 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3438
3439         PR rtl-optimization/15139
3440         * combine.c: Include params.h.
3441         (count_rtxs): New function.
3442         (record_value_for_reg): If replace_rtx would replace at least
3443         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3444         (clobber (const_int 0)) instead of TEM.
3445         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3446         * params.h (MAX_LAST_VALUE_RTL): New.
3447         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3448         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3449
3450         PR c/17297
3451         * c-typeck.c (digest_init): Only call build_vector if all constructor
3452         elements are *_CST nodes.
3453         * gimplify.c (gimplify_init_constructor): Likewise.
3454
3455         PR middle-end/19164
3456         * c-typeck.c (digest_init): Only call build_vector if inside_init
3457         is a CONSTRUCTOR.
3458
3459 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3460
3461         * toplev.c (init_asm_output): Remove dead #ifdef.
3462
3463 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3464
3465         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3466
3467 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3468
3469         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3470         accessing DECL_FUNCTION_CODE.
3471         * dojump.c (do_jump): Likewise.
3472         * gimplify.c (gimplify_call_expr): Likewise.
3473         * predict.c (expr_expected_value): Likewise.
3474         (strip_builtin_expect): Likewise.
3475         * tree-inline.c (estimate_num_insns_1): Likewise.
3476         * tree-ssa-loop-im.c (stmt_cost): Likewise
3477         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3478         (tree_expr_nonnegative_p): Likewise.
3479
3480 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3481
3482         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3483         variant of the load_pcrel_sym pattern.
3484         * config/sparc/sparc.md (P macro): Move to the top.
3485         (load_pcrel_sym): Macroize using P.
3486         (save_register_window): Likewise.
3487
3488 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>