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1 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2
3         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
4         Clarify that the alternative way doesn't work in GNU C++.
5
6 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7
8         * tree-ssa-dom.c (simple_iv_increment_p): New function.
9         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10         Do not propagate value of iv before increment over the increment.
11
12 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
13
14         PR tree-optimization/19937
15         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
16         to the type of the induction variable.
17
18 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
19
20         PR rtl-optimization/20117
21         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
22         the block including noncopyable insn.
23
24 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
25
26         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
27         calls to find_reg_note.
28
29 2005-02-24  Richard Henderson  <rth@redhat.com>
30
31         PR tree-opt/20127
32         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
33         the type.
34
35 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
36
37         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
38         vector types if to use base reg for misaligned non-word ld/std.
39
40 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
41
42         PR target/14619
43         * config/cris/cris.c (cris_target_asm_function_prologue): Create
44         dwarf2 label manually and put it after, not before the prologue.
45
46 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
47
48         PR target/19019
49         * reload.c (operands_match_p): Only increment register number for
50         SCALAR_INT_MODE_P modes in multiple hard registers.
51
52         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
53         Fix formatting.
54
55 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
56
57         * ChangeLog.5: Fix log message typo(s).
58         * ChangeLog.7: Likewise.
59         * ChangeLog.tree-ssa: Likewise.
60         * cfgexpand.c: Fix comment typo(s).
61         * conflict.c: Likewise.
62         * defaults.h: Likewise.
63         * dwarf2out.c: Likewise.
64         * gcse.c: Likewise.
65         * ggc-page.c: Likewise.
66         * tree-eh.c: Likewise.
67         * tree-ssa-dom.c: Likewise.
68
69 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
70
71         PR target/19019
72         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
73         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
74         if SHARED is defined.
75
76         PR target/20196
77         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
78         allow splitting only if operands 0 and 3 don't overlap.
79
80 2005-02-24  Richard Henderson  <rth@redhat.com>
81
82         PR middle-end/19953
83         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
84         (fold_builtin_1): Call them.
85         * fold-const.c (fold_complex_mult_parts): Split out from ...
86         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
87         (fold_complex_div_parts, fold_complex_div): New.
88         (fold): Use them.
89         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
90
91 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
92
93         * tree-ssa-ccp.c (visit_assignment): Verify that result of
94         VIEW_CONVERT_EXPR is_gimple_min_invariant.
95
96         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
97         (print_node): Likewise.
98         Print TYPE_SIZES_GIMPLIFIED.
99
100 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
101
102         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
103         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
104         operands as commutative in constraints.
105
106 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
107
108         * tree-into-ssa.c: Re-organize internal functions.
109
110 2005-02-24  Richard Henderson  <rth@redhat.com>
111
112         PR middle-end/18902
113         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
114         for c99.
115         * common.opt (fcx-limited-range): New.
116         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
117         * toplev.c (flag_complex_method): Initialize to 1.
118         (process_options): Set flag_complex_method to 0 if
119         flag_cx_limited_range.
120         * doc/invoke.texi (-fcx-limited-range): New.
121
122 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
123
124         * cse.c (delete_trivially_dead_insns): Speed up by using
125         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
126         prev_real_insn.
127
128 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
129
130         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
131         functions when -mid-shared-library is being used.
132
133 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
134
135         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
136         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
137         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
138         * system.h: Poison LINK_LIBGCC_SPECIAL.
139
140 2005-02-23  James E Wilson  <wilson@specifixinc.com>
141
142         * gengtype.c (note_insn_name): Make 1 element larger.
143
144 2005-02-23  Roger Sayle  <roger@eyesopen.com>
145
146         PR target/20018
147         PR rtl-optimization/20097
148         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
149         BImode SUBREGs of SImode registers which confuse the ia64 backend.
150
151 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
152
153         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
154         * t-aix52 (SHLIB_INSTALL): Same.
155
156 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
157
158         * genpreds.c: Update copyright.
159
160 2005-02-23  Michael Beach  <michaelb@ieee.org>
161
162         PR target/20159
163         * config/sparc/t-elf (startup files): Assemble with CPP.
164
165 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
166
167         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
168         (write_predicate_expr): Likewise.
169
170 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
171
172         PR tree-optimization/20100
173         PR tree-optimization/20115
174         * tree-optimize.c (init_tree_optimization_passes): Remove
175         pass_maybe_create_global_var.
176         * tree-pass.h (pass_maybe_create_global_var): Remove.
177         * tree-ssa-alias.c (aliases_computed_p): Declare.
178         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
179         (count_calls_and_maybe_create_global_var): Remove.
180         (pass_maybe_create_global_var): Remove.
181         (init_alias_info): Do not declare aliases_computed_p.
182         (maybe_create_global_var): If the function contains no
183         call-clobbered variables and a mix of pure/const and regular
184         function calls, create .GLOBAL_VAR.
185         Mark all call-clobbered variables for renaming.
186         (merge_pointed_to_info): Update comment.
187         (add_pointed_to_var): Likewise.
188         (is_escape_site): Likewise.
189         Accept struct alias_info * instead of size_t *.
190         Update all users.
191         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
192         as necessary.
193         * tree-ssa-operands.c (get_call_expr_operands): If
194         ALIASES_COMPUTED_P is false, do not add call-clobbering
195         operands.
196         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
197         (delete_tree_ssa): Likewise.
198
199 2005-02-22  James E Wilson  <wilson@specifixinc.com>
200
201         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
202         (do_compile): Do call it here.
203
204 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
205
206         PR rtl-optimization/20017.
207         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
208         rest_of_handle_cse2, rest_of_handle_gcse): Call
209         delete_dead_jumptables immediately before calling cleanup_cfg.
210
211 2005-02-22  Devang Patel  <dpatel@apple.com>
212
213         PR 19952
214         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
215         all labels
216         
217 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
218
219         * config/rs6000/aix.h (WINT_TYPE): Define.
220
221 2005-02-22  Stan Shebs  <shebs@apple.com>
222
223         * config/rs6000/rs6000.c (rs6000_override_options): Default to
224         natural alignment for 64-bit Darwin.
225         (rs6000_parse_alignment_option): Warn about uses of -malign-power
226         on 64-bit Darwin.
227         * doc/invoke.texi: Document this.
228
229 2005-02-22  DJ Delorie  <dj@redhat.com>
230
231         * c-common.c (c_common_type_for_mode): Pass the mode's precision
232         to make_[un]signed_type, not the mode itself.
233
234 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
235
236         * cfg.c (cached_make_edge): Call make_edge if edge cache is
237         not available.  Use tail calls wherever possible.
238         (make_edge): Call unchecked_make_edge to create an edge.
239
240         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
241         (coalesce_ssa_name): Don't check for
242         SSANORM_USE_COALESCE_LIST.
243         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
244
245 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
246
247         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
248         (rewrite_into_ssa): ... here.
249
250 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
251
252         PR tree-optimization/19786
253         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
254         tag to another's may-alias bitmap when adding to the other's list.
255
256 2005-02-21  DJ Delorie  <dj@redhat.com>
257
258         * tree-ssa-loop-ivopts.c (computation_cost): Start register
259         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
260         registers in unsupported ways.
261         * expmed.c (init_expmed): Likewise.
262         
263 2005-02-21  Stan Cox  <scox@redhat.com>
264
265         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
266
267 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
268
269         * tree-cfg.c (fold_cond_expr_cond): New.
270         (make_edges): Call fold_cond_expr_cond.
271         (find_taken_edge): Accept nothing but INTEGER_CST.
272         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
273         and 1.
274         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
275
276         * flow.c (delete_dead_jumptables): Speed up by scanning insns
277         that do not belong to any basic block.
278
279 2005-02-21  Jeff Law  <law@redhat.com>
280
281         * cfganal.c (find_unreachable_blocks): Manually CSE load of
282         e->dest.
283
284 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
285
286         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
287         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
288         Adjust their definitions.
289         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
290         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
291
292         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
293         genautomata.c, langhooks.c, langhooks.h, system.h,
294         config/arm/lib1funcs.asm: Update copyright.
295
296 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
297
298         * dbxout.c (dbxout_function_end): Emit Lscope label always.
299
300 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
301
302         PR bootstrap/13770
303         * doc/install.texi: Document --with-gc.
304
305 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
306
307         * simplify-rtx.c (simplify_unary_operation): Add a missing
308         "break" statement.
309
310 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
311
312         PR tree-optimization/18663
313         * tree-ssa-dom.c (extract_range_from_cond): Return 0
314         if the type has variable bounds.
315
316 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
317
318         * gcse.c: Remove an obsolete comment.
319
320         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
321
322 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
323
324         * doc/extend.texi (Function Attributes) <Attribute const>: The
325         attribute "pure" is below this text, not above.
326
327 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
328
329         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
330         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
331         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
332
333 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
334
335         PR 18785
336         * langhooks.h (struct lang_hooks): Add to_target_charset.
337         * langhooks.c (lhd_to_target_charset): New function.
338         * langhooks-def.h: Declare lhd_to_target_charset.
339         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
340         (LANG_HOOKS_INITIALIZER): Update.
341         * c-common.c (c_common_to_target_charset): New function.
342         * c-common.h: Declare it.
343         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
344         c_common_to_target_charset.
345
346         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
347         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
348         Delete definitions.
349         * system.h: Poison them.
350         * doc/tm.texi: Don't discuss them.
351         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
352         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
353         (pp_c_char): Do not attempt to generate letter escapes for
354         newline, tab, etc.
355         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
356         * config/mips/mips.c (mips_output_ascii): Likewise.
357
358 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
359
360         PR tree-optimization/19951
361         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
362         is abnormal.
363
364 2005-02-19  Steven Bosscher  <stevenb@suse.de>
365
366         PR middle-end/19698
367         * function.h (struct function): New field `max_loop_depth'.
368         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
369         (flow_loops_find): Reset the max loop depth count before finding loops.
370         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
371         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
372         (calculate_global_regs_live): Make sure the loop will terminate
373         when the initial sets are not empty.
374
375 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
376
377         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
378         object inside.
379         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
380
381 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
382
383         PR other/19525
384         * doc/invoke.texi: Remove documentation of %M spec.
385         * gcc.c: Likewise.
386         (init_spec): Remove %M suffix from -lgcc_s.
387         (do_spec_1): Remove 'M' case.
388         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
389         to put shared libraries in the multilib directory.  Remove the
390         shlib_so_soname substitution variable.  Don't add a multilib encoding
391         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
392         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
393         SHLIB_INSTALL as well as SHLIB_LINK.
394         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
395         (SHLIB_NAME): Delete.
396         (SHLIB_DIR): New macro.
397         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
398         (SHLIB_INSTALL): Adjust accordingly.
399         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
400         * config/t-slibgcc-sld: Likewise.
401         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
402         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
403         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
404         in $(SHLIB_DIR).
405         (SHLIBUNWIND_INSTALL): Adjust accordingly.
406         * config/i386/t-nwld (SHLIB_SONAME): Delete.
407         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
408         Use @shlib_base_name@ instead of @shlib_so_name@.
409         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
410         and @shlib_base_name@.so in @multilib_dir@.
411         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
412         to the install path.
413         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
414         (SHLIB_LINK): Remove previous workaround.
415         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
416         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
417         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
418         the install path.
419         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
420         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
421         (SHLIB_INSTALL): Adjust accordingly.
422         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
423         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
424         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
425         config/t-slibgcc-elf-ver.
426
427 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
428             Jakub Jelinek  <jakub@redhat.com>
429
430         PR tree-optimization/19828
431         * tree-ssa-loop-im.c: Add a TODO comment.
432         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
433         without side-effects.
434
435 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
436
437         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
438         call fold_convert.
439
440 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
441
442         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
443         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
444         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
445         functions.
446         (ia64_reorg): Delete fixup_errata call.
447         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
448         (TARGET_SWITCHES): Delete -mb-step entry.
449
450 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
451
452         PR c/20043
453         * c-typeck.c (composite_type): Handle quals in transparent unions.
454         (type_lists_compatible_p): Likewise.
455
456 2005-02-18  Stan Shebs  <shebs@apple.com>
457
458         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
459         expressions in the .literal8 section.
460
461 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
462
463         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
464
465 2005-02-18  Roger Sayle  <roger@eyesopen.com>
466
467         * fold-const.c (constant_boolean_node): Always create values of the
468         specified type, don't bother calling truthvalue_conversion.
469
470 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
471
472         * except.c (output_function_exception_table): Call
473         assemble_external_libcall (eh_personality_libfunc).
474
475 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
476
477         PR target/19886
478         * config/ia64/ia64.h (struct machine_function): Add state_num.
479         * config/ia64/ia64.c (process_epilogue,
480         process_for_unwind_directive): Use new unwind state numbers each
481         time rather than state 1.
482
483 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
484
485         PR target/20054
486         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
487         before the "*llgt_didi" pattern.
488
489 2005-02-18  Jason Merrill  <jason@redhat.com>
490
491         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
492
493 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
494
495         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
496         (div0): Use it in place of ARM_FUNC_ALIAS.
497         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
498
499 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
500
501         PR middle-end/20030
502         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
503         access, the lower bound of the array type if it exists.
504
505 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
506
507         PR c++/20008
508         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
509         cases that are out-of-range for the index type.
510
511 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
512
513         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
514         (estimate_case_costs): Don't call convert.
515         * expmed.c (expand_shift): Likewise.
516         (make_tree): Call fold_convert instead of convert.
517
518 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
519
520         PR c++/19813
521         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
522         that ref to be marked MEM_READONLY_P doesn't have base that needs
523         constructing.
524
525 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
526
527         * genautomata.c (output_get_cpu_unit_code_func,
528         output_cpu_unit_reservation_p): Don't generate old-style function
529         definitions.
530
531 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
532
533         PR c++/20023
534         PR tree-optimization/20009
535         * convert.c (convert_to_integer): Revert 2005-02-16 change.
536
537         PR tree-optimization/18947
538         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
539         inline, remove all nodes that are inlined into the extern inline
540         being redefined.
541
542 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
543
544         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
545         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
546         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
547         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
548         Update copyright.
549
550 2005-02-17  Roger Sayle  <roger@eyesopen.com>
551
552         PR tree-optimization/19917
553         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
554         to be potentially trapping.
555
556 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
557
558         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
559
560 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
561
562         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
563         tem becomes a local variable which is set to the value of the
564         back end defined INITIAL_FRAME_ADDRESS macro.
565         (expand_builtin_frame_address): Omit the base parameter to
566         expand_builtin_return_addr.
567         (expand_builtin_profile_func): Likewise.
568         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
569         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
570         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
571
572 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
573
574         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
575         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
576         * config/frv/frv.c (frv_function_epilogue): Likewise.
577
578 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
579
580         * lambda-code (perfect_nestify): Remove mark/unmark
581         for rewriting hack.
582         * tree-loop-linear.c (linear_transform_loops): Add
583         rewrite_into_ssa call so that ssa is correct for
584         rewriting into loop closed.
585
586 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
587
588         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
589         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
590         BITMAP_FREE.
591         * bt-load.c (btr_def_live_range, combine_btr_defs,
592         migrate_btr_def, migrate_btr_defs): Likewise.
593         * cfgcleanup.c (thread_jump): Likewise.
594         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
595         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
596         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
597         df_rd_local_compute, df_reg_info_compute): Likewise.
598         * dominance.c (init_dom_info, free_dom_info): Likewise.
599         * flow.c (init_propagate_block_info,
600         free_propagate_block_info): Likewise.
601         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
602         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
603         modify_reg_pav): Likewise.
604         * loop-invariant.c (find_defs, find_invariant_insn,
605         find_invariants, free_inv_motion_data): Likewise.
606         * predict.c (tree_predict_by_opcode,
607         estimate_bb_frequencies): Likewise.
608         * stmt.c (expand_case): Likewise.
609         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
610         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
611         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
612         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
613         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
614         rewrite_ssa_into_ssa): Likewise.
615         * tree-optimize.c (tree_rest_of_compilation): Likewise.
616         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
617         analyze_edges_for_bb, perform_edge_inserts): Likewise.
618         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
619         * tree-sra.c (tree_sra): Likewise.
620         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
621         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
622         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
623         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
624         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
625         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
626         Likewise.
627         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
628         calculate_live_on_entry, calculate_live_on_exit,
629         build_tree_conflict_graph): Likewise.
630         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
631         record_important_candidates, set_use_iv_cost, find_depends,
632         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
633         tree_ssa_iv_optimize_finalize): Likewise.
634         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
635         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
636         tree_duplicate_loop_to_header_edge): Likewise.
637         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
638         * tree-ssa.c (verify_flow_insensitive_alias_info,
639         verify_name_tags, verify_ssa, init_tree_ssa,
640         delete_tree_ssa): Likewise.
641         * tree-ssanames.c (marked_ssa_names, init_ssanames,
642         fini_ssanames): Likewise.
643         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
644
645 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
646
647         * config/rs6000/t-rtems: Completely reworked.
648
649 2005-02-17  Ira Rosen  <irar@il.ibm.com>
650
651         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
652
653 2005-02-17  Ira Rosen  <irar@il.ibm.com>
654
655         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
656         POINTER_TYPE_P when checking that type is a pointer.
657         (vect_get_memtag): Remove.
658         (vect_address_analysis): Use POINTER_TYPE_P. Call
659         vect_object_analysis with dummy parameter for memtag.
660         (vect_object_analysis): Extract memtag (functionality that
661         used to be in vect_get_memtag and moved here). Fix printings.
662         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
663         with correct parameters. Remove call to vect_get_memtag.
664
665 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
666
667         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
668         (tree-vectorizer.o): Added missing dependencies.
669
670         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
671         decleration.
672         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
673         declaration in tree-vectorizer.c, now has an extern declaration in
674         tree-vectorizer.h).
675         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
676         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
677         get_vectype_for_scalar_type, vect_is_simple_use,
678         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
679         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
680         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
681         vectorizable_store, vectorizable_operation, vectorizable_assignment,
682         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
683         find_loop_location): Likewise.
684
685         * tree-vectorizer.c (langhooks.h): #include removed.
686         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
687         moved to tree-vectorized.h.
688         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
689         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
690         get_vectype_for_scalar_type, vect_is_simple_use,
691         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
692         vect_supportable_dr_alignment, new_loop_vec_info,
693         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
694         vect_set_verbosity_level, find_loop_location): Likewise.
695
696         (vect_analyze_loop): Function externalized. Declaration moved to
697         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
698         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
699         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
700         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
701         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
702         vect_enhance_data_refs_alignment, vect_analyze_operations,
703         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
704         vect_stmt_relevant_p, vect_get_loop_niters,
705         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
706         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
707         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
708         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
709         vect_get_memtag): Likewise.
710
711         (vectorizable_load): Function externalized. Declaration moved to
712         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
713         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
714         vect_transform_loop): Likewise.
715         (vect_transform_stmt): Moved to tree-vect-transform.c.
716         (vect_align_data_ref, vect_create_destination_var,
717         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
718         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
719         vect_get_vec_def_for_operand, vect_init_vector,
720         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
721         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
722         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
723         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
724         vect_do_peeling_for_loop_bound): Likewise.
725
726         * tree-vect-analyze.c: New file.
727         * tree-vect-transform.c: New file.
728
729 2005-02-17  Jason Merrill  <jason@redhat.com>
730
731         PR mudflap/19319, c++/19317
732         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
733         slot explicit.
734
735 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
736
737         * doc/install.texi (Specific): Update link for Darwin-specific
738         tool binary site.
739
740 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
741
742         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
743         constant_boolean_node.
744
745 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
746
747         PR target/19019
748         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
749         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
750
751 2005-02-16  Richard Henderson  <rth@redhat.com>
752
753         PR 19920
754         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
755         with W_TYPE_SIZE.
756         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
757         replace uses with Wtype_MAXp1_F.
758         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
759         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
760         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
761         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
762         and HAVE_TFMODE as appropriate.
763         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
764         (__floatdisf): Likewise.
765         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
766         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
767         (Wtype_MAXp1_F): New.
768         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
769         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
770
771 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
772
773         * PR target/19162
774         * arm.c (arm_apply_result_size): New function.
775         * arm.h (APPLY_RESULT_SIZE): Define.
776         * arm-protos.h (arm_apply_result_size): Add prototype.
777         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
778         (movxf): New expand.
779         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
780         (call_value_symbol): Remove predicate for operand 0.
781         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
782         (untyped_call): Rework to correclty return values for any type.
783         (untyped_return): New expand.
784         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
785
786 2005-02-16  Stan Shebs  <shebs@apple.com>
787
788         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
789         * config/rs6000/t-darwin8: New, for 64-bit multilib.
790
791 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
792
793         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
794         configure settings on Solaris 7 and later.
795
796 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
797
798         PR tree-optimization/19865
799         * tree-optimize.c (init_tree_optimization_passes): Run
800         pass_may_alias after pass_sra.
801
802 2005-02-16  Richard Henderson  <rth@redhat.com>
803             Stuart Hastings  <stuart@apple.com>
804
805         PR debug/19521
806         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
807         Do nothing if debug info suppressed for this function.
808         (dbxout_begin_function): Early exit if debug info suppressed for
809         this function.
810
811 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
812
813         PR target/20007
814         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
815         find_basic_blocks.
816         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
817
818         PR tree-optimization/19967
819         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
820         expand_builtin_strchr, expand_builtin_strrchr): Take a new
821         argument TYPE.  Adjust calls to fold_builtin_XXX.
822         (expand_builtin, fold_builtin_1): Adjust calls to
823         expand_builtin_XXX.
824         (fold_builtin_strchr, fold_builtin_strpbrk,
825         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
826         result to a requested type TYPE.
827
828 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
829
830         PR middle-end/19857
831         * fold-const.c (fold): Don't optimize (T)(x & cst) to
832         (T)x & (T)cst if (T)cst overflows.
833         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
834         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
835
836 2005-02-15  Jeff Law  <law@redhat.com>
837
838         * gcse.c (blocks_with_calls): New bitmap.
839         (alloc_gcse_mem): Allocate it.
840         (free_gcse_mem): Free it.
841         (clear_modifY_mem_tables): Clear it.
842         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
843         when we encounter CALL_INSNs.
844         (compute_transp, case MEM): Handle blocks with calls separate
845         from blocks without calls.  Use bitmap iterators rather than
846         FOR_EACH_BB.
847
848 2005-02-15  Peter O'Gorman  <peter@pogma.com>
849
850         PR bootstrap/18810
851         * mklibgcc.in (vis_hide): Use a temporary object file, not
852         -o /dev/null.
853
854 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
855
856         PR target/19924
857         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
858         access optimization.
859
860 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
861             Alan Modra  <amodra@bigpond.net.au>
862
863         PR target/19019
864         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
865         (_xlqsub): Rename to __gcc_qsub.
866         (_xlqmul): Rename to __gcc_qmul.
867         (_xlqdiv): Rename to __gcc_qdiv.
868         Provide versioned symbol aliases with old names.
869         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
870         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
871         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
872         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
873         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
874
875 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
876
877         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
878         Fold ~(A - 1) and ~(A + -1) to -A.
879
880 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
881
882         PR pch/14940
883         PR target/19300
884         * config/host-linux.c (linux_gt_pch_use_address): Copy from
885         config/pa/pa-host.c:pa_gt_pch_use_address.
886
887 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
888
889         * tree-vn.c (get_value_handle): Make sure that given an
890         is_gimple_min_invariant expression, we always return it.
891
892 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
893
894         * passes.c (rest_of_handle_gcse): Fix a comment.
895
896 2005-02-15  Jeff Law  <law@redhat.com>
897
898         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
899         bitmap.
900         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
901         (canon_list_insert, record_last_mem_set_info): Similarly.
902         (clear_modify_mem_tables): Similarly.
903
904 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
905
906         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
907         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
908         config/mips/mips.md, config/rs6000/aix.h,
909         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
910
911 2005-02-15  Richard Henderson  <rth@redhat.com>
912
913         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
914         call to be best_edge.
915
916 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
917
918         * basic-block.h: Adjust the prototype for find_basic_blocks.
919         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
920         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
921         find_basic_blocks.
922
923         * flow.c (recompute_reg_usage): Remove all arguments.
924         * passes.c (rest_of_compilation): Adjust the call to
925         recompute_reg_usage.
926         * rtl.h: Adjust the prototype for recompute_reg_usage.
927
928 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
929
930         * tree-dump.c (dump_files): Update to reflect new member
931         of dump_file_info.
932         (dump_register): Add new argument.
933         Set glob name.
934         (dump_switch_p_1): Check against glob name if doglob was passed.
935         (dump_switch_p): Check against regular first, then glob if
936         we didn't have any hits on the dump name.
937         * tree-optimize.c (register_one_dump_file):
938         Pass in glob name as well.
939         * tree-pass.h (struct dump_file_info): Add glob
940         member.
941
942 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
943
944         PR preprocessor/16323
945         * doc/invoke.texi: Document that -Wendif-labels is on by default.
946
947 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
948
949         PR target/19019
950         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
951         (trunctfdf2_internal1): New.
952         (trunctfdf2_internal2): Renamed from trunctfdf2.
953
954 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
955
956         PR tree-optimization/19853
957         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
958
959 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
960
961         * passes.c (rest_of_handle_loop_optimize): Remove calls to
962         delete_dead_jumptables and cleanup_cfg.
963
964 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
965
966         * reload.c (find_reloads): Swap address_reloaded flags when
967         swapping commutative operands.
968
969 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
970
971         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
972         Use standard_iv_increment_position for computing the bsi position
973         for create_iv.
974         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
975         the bsi position.
976
977 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
978
979         PR target/17428
980         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
981         life range of hard registers.
982         * value-prof.c (insn_prefetch_values_to_profile): Only
983         scan normal insns.
984
985         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
986         profile in libcalls.
987
988 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
989
990         * bitmap.h (bitmap_and_compl_into): Return bool.
991         * bitmap.c (bitmap_and_compl_into): Return changed flag.
992
993 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
994
995         PR tree-optimization/19944
996         * fold-const.c (fold): Re-add ABS_EXPR folding.
997
998 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
999
1000         PR target/19019
1001         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1002         {TARGET,MASK}_XL_COMPAT.
1003         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1004         MASK_XL_COMPAT.
1005         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1006         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1007         TARGET_XL_COMPAT.
1008         (rs6000_arg_partial_bytes): Same.
1009         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1010         and XL compatibility enabled.
1011         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1012         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1013         test to final condition.
1014         (cmptf_internal2): New.
1015         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1016         xl-compat.  Add TFmode information to description.
1017
1018 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1019
1020         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1021
1022 2005-02-13  Jason Merrill  <jason@redhat.com>
1023
1024         PR c++/16405
1025         * fold-const.c (fold_indirect_ref_1): Split out from...
1026         (build_fold_indirect_ref): Here.
1027         (fold_indirect_ref): New fn.
1028         * tree.h: Declare it.
1029         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1030         (gimplify_modify_expr_rhs): Likewise.
1031         (gimplify_expr): Likewise.
1032
1033 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1034
1035         PR tree-optimization/14303
1036         PR tree-optimization/15784
1037         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1038         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1039         ABS_EXPR<x> != 0 to x != 0.
1040
1041 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1042
1043         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1044         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1045         spelling conventions.
1046
1047         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1048         delete_trivially_dead_insns too many times.
1049
1050         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1051         tem and tem2.
1052
1053 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1054
1055         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1056         (vect_is_simple_iv_evolution): Remove redundant parameter
1057         and step check.
1058         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1059         without last parameter.
1060         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1061         Return pointer step. Call vect_is_simple_iv_evolution without
1062         last parameter. Check only that the step is multiple of size
1063         type. Remove stmt_vinfo updates.
1064         (vect_get_memtag_and_dr): Remove.
1065         (vect_get_memtag): New function.
1066         (vect_address_analysis): New function.
1067         (vect_object_analysis): New function.
1068         (vect_analyze_data_refs): Call vect_object_analysis and
1069         vect_get_memtag. Update stmt_vinfo fields.
1070
1071 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1072
1073         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1074         exist and are objects. Remove checks for pointer.
1075         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1076         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1077         (vect_create_data_ref_ptr): Likewise.
1078         (vect_base_addr_differ_p): New function.
1079         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1080         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1081         Don't set the DR_BASE_NAME field of data-ref.
1082         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1083
1084 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1085
1086         * optabs.h (enum optab_index): Add new OTI_ldexp.
1087         (ldexp_optab): Define corresponding macro.
1088         * optabs.c (init_optabs): Initialize ldexp_optab.
1089         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1090         patterns.
1091         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1092         using ldexp_optab.
1093         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1094         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1095
1096         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1097         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1098         intrinsics.
1099
1100 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1101
1102         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1103         to base_address.
1104         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1105         stmt_vec_info.
1106         (vect_get_base_and_offset): Always return an address.
1107         (vect_create_addr_base_for_vector_ref): Remove treatment for
1108         different data reference types.
1109         (vect_compute_data_ref_alignment): Rename base to base_address in
1110         stmt_vec_info. Get the object in order to force its alignment.
1111         (vect_get_memtag_and_dr): Rename base to base_address in
1112         stmt_vec_info. Extract the object for memtag analysis.
1113
1114 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1115
1116         PR regression/19898.
1117         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1118         changes cc_status, use apply modified_in_p to part of cc_status
1119         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1120         body.
1121
1122 2005-02-11  Richard Henderson  <rth@redhat.com>
1123
1124         * tree-complex.c (expand_complex_libcall): New.
1125         (expand_complex_multiplication): Use it for c99 compliance.
1126         (expand_complex_division): Likewise.
1127         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1128         (fold): Call them.
1129         * builtins.c (built_in_names): Remove const.
1130         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1131         builtins.
1132         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1133         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1134         (built_in_names): Remove const.
1135         * c-common.c (c_common_type_for_mode): Handle complex modes.
1136         * flags.h, toplev.c (flag_complex_method): Rename from
1137         flag_complex_divide_method.
1138         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1139         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1140         * libgcc2.h: Declare them.
1141         * libgcc-std.ver: Export them.
1142         * mklibgcc.in (lib2funcs): Build them.
1143
1144 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1145
1146         PR tree-optimization/19876
1147         Partially revert my change from 2005-01-14
1148         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1149         (compute_antic): ...and remove the loop here.
1150
1151 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR middle-end/19858
1154         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1155         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1156
1157         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1158         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1159
1160 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1161
1162         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1163         offsets for the big-endian 32-bit case.
1164
1165 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1166
1167         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1168
1169 2005-02-11  Dale Johannesen  <dalej@apple.com>
1170
1171         * cselib.c (cselib_process_insn):  Clear out regs where
1172         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1173         * reload.c (find_equiv_reg): Ditto.
1174
1175 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1176
1177         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1178         with no elements.
1179
1180         * tree.c (build_function_type_list): Work correctly if there are
1181         no arguments.
1182
1183 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1184
1185         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1186         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1187         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1188         TARGET_ZARCH instead of TARGET_64BIT.
1189
1190 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1191
1192         * config/rs6000/t-rtems:
1193         (MULTILIB_OPTIONS): Remove mcpu=602.
1194         (MUTLILIB_DIRNAMES): Remove m602.
1195         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1196         Let mcpu=602 match mcpu=603.
1197         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1198
1199 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1200
1201         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1202         signal trampolines.
1203
1204 2005-02-10  David Daney  <ddaney@avtrex.com>
1205
1206         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1207         * config/i386/linux-unwind.h: Likewise.
1208         * config/ia64/linux-unwind.h: Likewise.
1209         * config/mips/linux-unwind.h: Likewise.
1210         * config/pa/linux-unwind.h: Likewise.
1211         * config/rs6000/linux-unwind.h: Likewise.
1212         * config/s390/linux-unwind.h: Likewise.
1213         * config/sh/linux-unwind.h: Likewise.
1214         * config/sparc/linux-unwind.h: Likewise.
1215
1216 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1217
1218         PR tree-optimization/17549
1219         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1220         TER to replace a DEF with its expression if the DEF and the
1221         rhs of the expression we replace into have the same root
1222         variable.
1223
1224 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1225
1226         * config/mips/mips.md: Fix the placement of the match_scratch in the
1227         lea64 peephole2.
1228
1229 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1232         Fix comment typos.
1233
1234 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1235
1236         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1237         (strip_offset): Handle addresses.
1238         (add_address_candidates): Use strip_offset.
1239         (difference_cost): Reflect strip_offset change.
1240         (force_var_cost, difference_cost): Strip nops.
1241
1242 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1243
1244         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1245
1246         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1247         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1248         config/cris/cris-protos.h, config/cris/cris.c: Update
1249         copyright.
1250
1251 2005-02-10  Jeff Law  <law@redhat.com>
1252
1253         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1254         (lookup_avail_expr): Similarly.
1255
1256 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1257
1258         * builtins.c (fold_builtin_powi): New function.
1259         (fold_builtin_1): Call it.
1260
1261 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1262
1263         PR documentation/19309
1264         * doc/cpp.texi: The __GNUC__ and related predefined macros
1265         are also defined for the "standalone" cpp.
1266         Some non-GCC compilers may also define __GNUC__.
1267
1268 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1269
1270         PR c/19342
1271         * c-typeck.c (common_type): New routine.  Old common_type renamed
1272         to...
1273         (c_common_type): ...this.
1274         (build_conditional_expr, build_binary_op): Use c_common_type instead
1275         of common_type.
1276
1277 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1278
1279         * doc/md.texi: Replace @samp{length} with @code{length}.
1280
1281 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1282
1283         PR tree-optimization/18687
1284         * tree-flow.h (find_loop_niter): Declare.
1285         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1286         Try using scev even for loops with more than one exit.
1287         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1288         (struct ivopts_data): Added niters field.
1289         (struct nfe_cache_elt): New.
1290         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1291         functions.
1292         (tree_ssa_iv_optimize_init): Initialize niters cache.
1293         (determine_number_of_iterations): Removed.
1294         (find_induction_variables): Do not call determine_number_of_iterations.
1295         Access niters for single exit through niter_for_single_dom_exit.
1296         (add_iv_outer_candidates): Access niters for single exit through
1297         niter_for_single_dom_exit.
1298         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1299         number_of_iterations_cond.
1300         (iv_period): New function.
1301         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1302         (may_replace_final_value): Take data argument.  Use
1303         niter_for_single_dom_exit.
1304         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1305         (rewrite_use_compare): Pass data to may_eliminate_iv.
1306         (rewrite_use_outer): Pass data to may_replace_final_value.
1307         (free_loop_data): Clean up the niters cache.
1308         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1309         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1310         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1311         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1312         (num_ending_zeros): Moved to tree.c.
1313         * tree.h (num_ending_zeros): Declare.
1314         * tree.c (num_ending_zeros): Moved from tree.c.
1315
1316 2005-02-09  Richard Henderson  <rth@redhat.com>
1317
1318         * builtins.c (DEF_BUILTIN): Add COND argument.
1319         * tree.h (DEF_BUILTIN): Likewise.
1320         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1321         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1322         match.
1323         (DEF_BUILTIN_STUB): New.
1324         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1325         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1326         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1327         * c-common.c (DEF_BUILTIN): Add COND argument.
1328         * tree.c (local_define_builtin): New.
1329         (build_common_builtin_nodes): New.
1330
1331 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1332
1333         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1334         floating point expression ignoring the sign of the result.
1335         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1336         (fold) <MULT_EXPR>: Use it to simplify x*x.
1337         * tree.h (fold_strip_sign_ops): Prototype here.
1338         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1339         argument.  Use fold_strip_sign_ops to simplify the first argument.
1340         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1341         first argument when the second argument is an even integer
1342         constant, but only with -funsafe_math_optimizations.
1343         (fold_builtin_1): Update call to fold_builtin_copysign.
1344
1345 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1346
1347         PR middle-end/19583
1348         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1349         just check whether EH_FILTER_FAILURE falls through.
1350
1351 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1352
1353         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1354         insns return to ready list in the next turn.
1355
1356 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1357
1358         PR middle-end/19402
1359         * builtins.def: New __builtin_powi[lf].
1360         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1361         (expand_builtin_powi): New function.
1362         (expand_builtin): Dispatch to expand_builtin_powi.
1363         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1364         * libgcc2.c: Add __builtin_powi[lf] implementation.
1365         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1366         * optabs.h: Add powi_optab.
1367         * optabs.c (init_optabs): Initialize powi_optab.
1368         * doc/extend.texi: Document __builtin_powi[lf].
1369
1370 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1371
1372         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1373         exists.
1374
1375 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1376
1377         PR middle-end/19854
1378         * fold-const.c (try_move_mult_to_index): Remove redundant
1379         type argument.  Create ADDR_EXPR with correct type.
1380         (fold): Update callers of try_move_mult_to_index.  Convert
1381         result to the appropriate type.
1382
1383 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1384
1385         PR target/19597
1386         * config/avr/avr.c (default_rtx_costs): Delete.
1387         (avr_operand_rtx_cost): New function.
1388         (avr_rtx_costs): Completely rewrite.
1389
1390 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1391
1392         PR target/19806
1393         * config/cris/cris.c (in_code): New variable.
1394         (cris_output_addr_const): Now a static function, a wrapper for
1395         output_addr_const.
1396         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1397         case from old cris_output_addr_const.
1398         (cris_asm_output_label_ref): Similar for LABEL_REF.
1399         (cris_output_addr_const_extra): Similar for UNSPEC.
1400         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1401         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1402         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1403         declaration.
1404         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1405         (cris_asm_output_label_ref): Declare.
1406
1407 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1408
1409         PR preprocessor/19801
1410         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1411         filenames that changed when libcpp was moved to the toplevel.
1412
1413 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1414
1415         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1416         zero extensions of BImode operands.  Call lowpart_subreg instead
1417         of gen_lowpart_common and gen_lowpart_SUBREG.
1418
1419 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1420
1421         PR ada/19489
1422         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1423         * configure.ac: Set cc_for_cross_gnattools.
1424         * configure: Regenerate.
1425
1426 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1427
1428         PR target/19803
1429         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1430
1431 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1432
1433         PR debug/19327
1434         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1435         of nested functions.
1436
1437 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1438
1439         * doc/extend.texi: Document deprecated extensions allowing
1440         static floating-point members to have initializers and allowing
1441         floating-point literals in integral constant expressions.
1442
1443 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1444
1445         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1446         config/darwin7.h, config/mips/mips.c,
1447         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1448         Update copyright.
1449
1450         * cse.c: Update comments.
1451
1452 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1453
1454         PR middle-end/19775
1455         * builtins.c (fold_builtin_sqrt): Transform
1456         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1457         pow(x,y*0.5).
1458
1459 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1460             Dorit Naishlos  <dorit@il.ibm.com>
1461
1462         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1463         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1464         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1465         was added.
1466         * tree.h (vect_set_verbosity_level): New extern function declaration
1467         added.
1468         * tree-vectorizer.h (verbosity_levels): New enum type.
1469         * tree-vectorizer.c (vect_debug_stats): Function removed.
1470         (vect_debug_details): Likewise.
1471         (vect_verbosity_level): Global variable was defined and initialized.
1472         (vect_dump): Global variable definition.
1473         (vect_print_dump_info): New function.
1474         (vect_set_dump_settings): New function.
1475         (vect_set_verbosity_level): New function.
1476         (vectorize_loops): Add call to vect_set_dump_settings.
1477
1478         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1479         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1480         (slpeel_tree_peel_loop_to_edge): Likewise.
1481
1482         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1483         appropriate verbosity level instead of call to vect_debug_details
1484         or vect_debug_stats.
1485         (vect_get_base_and_offset):
1486         (vect_create_addr_base_for_vector_ref):
1487         (get_vectype_for_scalar_type):
1488         (vect_create_data_ref_ptr):
1489         (vect_init_vector):
1490         (vect_get_vec_def_for_operand):
1491         (vect_finish_stmt_generation):
1492         (vectorizable_assignment):
1493         (vectorizable_operation):
1494         (vectorizable_store):
1495         (vectorizable_load):
1496         (vect_transform_stmt):
1497         (vect_update_ivs_after_vectorizer):
1498         (vect_do_peeling_for_loop_bound):
1499         (vect_update_inits_of_drs):
1500         (vect_do_peeling_for_alignment):
1501         (vect_transform_loop):
1502         (vect_is_simple_use):
1503         (vect_analyze_operations):
1504         (vect_is_simple_iv_evolution):
1505         (vect_analyze_scalar_cycles):
1506         (vect_analyze_data_ref_dependence):
1507         (vect_analyze_data_ref_dependences):
1508         (vect_compute_data_ref_alignment):
1509         (vect_enhance_data_refs_alignment):
1510         (vect_analyze_data_refs_alignment):
1511         (vect_analyze_data_ref_access):
1512         (vect_analyze_data_ref_accesses):
1513         (vect_analyze_pointer_ref_access):
1514         (vect_get_memtag_and_dr):
1515         (vect_analyze_data_refs):
1516         (vect_mark_relevant):
1517         (vect_stmt_relevant_p):
1518         (vect_mark_stmts_to_be_vectorized):
1519         (vect_can_advance_ivs_p):
1520         (vect_get_loop_niters):
1521         (vect_analyze_loop_form):
1522         (vect_analyze_loop):
1523         (vectorize_loops): Likewise.
1524
1525         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1526         (vect_update_inits_of_drs):
1527         (vect_do_peeling_for_alignment):
1528         (vect_transform_loop):
1529         (vect_analyze_operations):
1530         (vect_analyze_scalar_cycles):
1531         (vect_analyze_data_ref_dependences):
1532         (vect_analyze_data_refs_alignment):
1533         (vect_analyze_data_ref_accesses):
1534         (vect_analyze_data_refs):
1535         (vect_mark_stmts_to_be_vectorized):
1536         (vect_get_loop_niters):
1537         (vect_analyze_loop_form):
1538         (vect_analyze_loop): Likewise.
1539         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1540
1541 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1542
1543         PR bootstrap/19796
1544         Revert:
1545         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1546         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1547         either -ffast-math or -funsafe-math-optimizations is in use.
1548
1549         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1550         * config/mips/irix-csr.c: New file.
1551         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1552         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1553         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1554         executables.
1555
1556 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1557
1558         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1559         redundant, incorrect definitions.
1560
1561         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1562         expand.
1563         ("*tls_indirect_call"): New, reference hard regs directly.
1564         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1565
1566 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1567
1568         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1569         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1570
1571 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1572
1573         PR rtl-optimization/19800
1574         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1575         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1576         gen_lowpart.
1577
1578 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1579
1580         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1581
1582 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1583
1584         PR other/17135
1585         * doc/invoke.texi: Correct documentation of -freorder-functions.
1586
1587 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1588
1589         PR other/14402
1590         * doc/invoke.texi: Don't mention gccbug.
1591
1592 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1593             Andrew Pinski  <pinskia@physics.uc.edu>
1594             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1595
1596         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1597         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1598         into just (zero_extract:SI FOO (const_int 1) BAR).
1599
1600 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1601
1602         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1603         macro locally.  Don't give last revision date.  Use GCC version
1604         number from gcc-common.texi.
1605         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1606         revision date.  Use GCC version number from gcc-common.texi.
1607         Describe being a library as current state rather than as 3.x
1608         history.
1609         * doc/gcc.texi: Remove last update date.
1610         * doc/gccint.texi: Likewise.  Update copyright dates.
1611         * doc/install.texi: Update copyright dates.
1612
1613 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1614
1615         PR other/7549
1616         * doc/invoke.texi: Mention for each option included in -Wall that
1617         it is included in -Wall.
1618         * doc/gcc.texi: Update copyright and last modification date.
1619
1620 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1621
1622         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1623         unnecessary cast to original induction variable increments.
1624
1625 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1626
1627         PR tree-optimization/18219
1628         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1629         in distributed form.
1630
1631 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1632
1633         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1634         Set bitpos and offset later in the function.  Do nothing if the
1635         target is a register and if the bitfield lies completely outside
1636         that register.
1637         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1638         here.  Return an uninitialised register if the source value is stored
1639         in a register and the bitfield lies completely outside that register.
1640
1641 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1642
1643         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1644         not SET_DEST.
1645
1646 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1647
1648         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1649
1650 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1651
1652         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1653         * config/darwin8.h: New.
1654         * config/darwin7.h: Update comment.
1655
1656 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1657             Dorit Naishlos  <dorit@il.ibm.com>
1658
1659         * tree-vectorizer.h (LOC): New type.
1660         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1661         (loop_line_number): New field in struct _loop_vec_info.
1662         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1663
1664         * tree-vectorizer.c (input.h): Included.
1665         (find_loop_location): New function.
1666         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1667         loop line number removed.
1668         (vect_debug_details): Likewise.
1669         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1670
1671         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1672         call to vect_debug_details/stats changed from loop to loop_loc.
1673         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1674         (slpeel_tree_peel_loop_to_edge): Likewise.
1675
1676         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1677         changed from NULL to UNKNOWN_LOC.
1678         (vect_get_base_and_offset):
1679         (vect_create_addr_base_for_vector_ref):
1680         (get_vectype_for_scalar_type):
1681         (vect_create_data_ref_ptr):
1682         (vect_init_vector):
1683         (vect_get_vec_def_for_operand):
1684         (vect_finish_stmt_generation):
1685         (vectorizable_assignment):
1686         (vectorizable_operation):
1687         (vectorizable_store):
1688         (vectorizable_load):
1689         (vect_transform_stmt):
1690         (vect_update_ivs_after_vectorizer):
1691         (vect_do_peeling_for_loop_bound):
1692         (vect_do_peeling_for_alignment):
1693         (vect_transform_loop):
1694         (vect_is_simple_use):
1695         (vect_analyze_operations):
1696         (vect_is_simple_iv_evolution):
1697         (vect_analyze_scalar_cycles):
1698         (vect_analyze_data_ref_dependences):
1699         (vect_compute_data_ref_alignment):
1700         (vect_enhance_data_refs_alignment):
1701         (vect_analyze_data_ref_access):
1702         (vect_analyze_data_ref_accesses):
1703         (vect_analyze_pointer_ref_access):
1704         (vect_get_memtag_and_dr):
1705         (vect_analyze_data_refs):
1706         (vect_mark_relevant):
1707         (vect_stmt_relevant_p):
1708         (vect_mark_stmts_to_be_vectorized):
1709         (vect_can_advance_ivs_p):
1710         (vect_get_loop_niters):
1711         (vect_analyze_loop):
1712         (vectorize_loops): Likewise.
1713
1714         (vectorizable_load): Argument in call to vect_debug_details/stats
1715         changed from loop to LOOP_LOC (loop_vinfo).
1716         (vect_transform_loop):
1717         (vect_analyze_operations):
1718         (vect_analyze_scalar_cycles):
1719         (vect_analyze_data_ref_dependence):
1720         (vect_enhance_data_refs_alignment):
1721         (vect_analyze_data_ref_accesses):
1722         (vect_analyze_pointer_ref_access):
1723         (vect_analyze_data_refs):
1724         (vect_analyze_loop): Likewise.
1725
1726         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1727         changed from loop to loop_loc.
1728
1729         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1730
1731 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1732             Dorit Naishlos  <dorit@il.ibm.com>
1733
1734         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1735         declaration added.
1736         (vect_analyze_data_ref_dependences): Likewise.
1737
1738         (vect_is_simple_use): Argument changed from loop structure to
1739         loop_vect_info structure.
1740         (vect_can_advance_ivs_p): Likewise.
1741         (vect_create_index_for_vector_ref): Likewise.
1742         (vect_update_ivs_after_vectorizer): Likewise.
1743         (new_stmt_vec_info): Likewise.
1744
1745         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1746         changed from loop to loop_vinfo.
1747         (vect_create_data_ref_ptr): First argument in call to
1748         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1749         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1750         was changed from loop to loop_vinfo.
1751         (vectorizable_operation): Likewise.
1752         (vectorizable_store): Likewise.
1753         (vect_mark_stmts_to_be_vectorized): Likewise.
1754         (vect_do_peeling_for_loop_bound): First argument in call to
1755         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1756         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1757         was changed from loop to loop_vinfo.
1758         (vect_analyze_data_ref_dependences): Third argument in call to
1759         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1760
1761         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1762         (vect_create_data_ref_ptr): Likewise.
1763         (vect_init_vector): Likewise.
1764         (vect_get_vec_def_for_operand): Likewise.
1765         (vectorizable_assignment): Likewise.
1766         (vectorizable_operation): Likewise.
1767         (vectorizable_store): Likewise.
1768         (vectorizable_load): Likewise.
1769         (vect_update_ivs_after_vectorizer): Likewise.
1770         (vect_is_simple_use): Likewise.
1771         (vect_analyze_data_ref_dependence): Likewise.
1772         (vect_analyze_pointer_ref_access): Likewise.
1773         (vect_can_advance_ivs_p): Likewise.
1774
1775         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1776         before _stmt_vec_info.
1777         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1778         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1779         (new_stmt_vec_info): Argument changed from loop structure to
1780         loop_vect_info structure
1781
1782         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1783         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1784         (vect_create_addr_base_for_vector_ref): Likewise.
1785         (vect_analyze_pointer_ref_access): Likewise.
1786
1787 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1788
1789         PR tree-opt/19768
1790         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1791         phi flag if the phi is abnormal.
1792
1793 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1794
1795         PR tree-opt/19736
1796         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1797         information for the new statement.
1798
1799 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1800
1801         PR driver/19117
1802         * gcc.c (main): Include the target in -v output.
1803
1804 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1805
1806         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1807         Do not drop the extend if we'd have to add a paradoxical subreg
1808         later.  Include optabs.h and insn-codes.h.
1809         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1810
1811 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1812
1813         PR middle-end/19405
1814         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1815         * fold-const.c (const_binop): Avoid constant folding floating
1816         point operations in modes that use composite representations.
1817         * simplify-rtx.c (simplify_binary_operation): Likewise.
1818
1819 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1820
1821         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1822         a REG, not a MEM.
1823         (altivec_dstt): Likewise.
1824         (altivec_dstst): Likewise.
1825         (altivec_dststt): Likewise.
1826         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1827         of first operand.
1828
1829 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1830
1831         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1832         EXPR_LOCUS from orig_cond to the new cond_stmt.
1833         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1834         the new vec_stmt.
1835
1836 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1837
1838         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1839         standard_iv_increment_position. Remove call to bsi_next
1840         (no need to bump the iterator anymore).
1841         (vect_create_index_for_vector_ref): Call
1842         standard_iv_increment_position. Remove second function argument.
1843         (vect_finish_stmt_generation): Remove call to bsi_next
1844         (no need to bump the iterator anymore).
1845         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1846         to vect_create_index_for_vector_ref.
1847
1848 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1849
1850         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1851         phis are used out of the loop.
1852
1853 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1854
1855         PR c/17807
1856         * c-decl.c (undef_nested_function): New variable.
1857         (pop_scope): Diagnose undefined nested functions.
1858         (finish_function): Don't attempt cgraph processing or genericizing
1859         if current top-level function contained an undefined nested
1860         function.  Reset undef_nested_function at the end of a top-level
1861         function.
1862
1863 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1864
1865         * tree.c (build_int_cst_type): Take sign of the value into account
1866         when deciding whether sign extend the value.
1867
1868 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1869
1870         PR c/18502
1871         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1872         (cpp_options, cc1_options): Change %{std*&ansi} to
1873         %{std*&ansi&trigraphs}.
1874
1875 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1876
1877         * cse.c: Update comments.
1878
1879 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1880
1881         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1882         arguments go on the stack.  Do not put complex doubles in odd/even
1883         pairs.
1884
1885 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1886
1887         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1888         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1889         -ftree-pre, and -fthread-jumps.
1890
1891 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1892
1893         PR tree-optimization/19578
1894         * tree-flow.h (modified_noreturn_calls): Declare.
1895         (noreturn_call_p): Declare.
1896         * tree-flow-inline.h (noreturn_call_p): New function.
1897         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1898         * tree-cfg.c (modified_noreturn_calls): New variable.
1899         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1900         that contain a mid-block noreturn call.
1901         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1902
1903 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1904
1905         * df.c (df_def_record_1, df_uses_record): Don't use
1906         DF_FOR_REGALLOC.
1907         * df.h (DF_FOR_REGALLOC): Remove.
1908
1909 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1910
1911         PR c/19435
1912         * c-typeck.c (really_start_incremental_init): Reset
1913         constructor_max_index for arrays of incomplete type.
1914
1915 2005-02-02  Jeff Law  <law@redhat.com>
1916
1917         * gcse.c (struct reg_set): Store the block index where the register
1918         was set rather than the setting insn.
1919         (record_one_set, compute_transp): Corresponding changes.
1920         (pre_insert_copy_insn): Do not call replace_one_set.
1921         (replace_one_set): Remove.
1922
1923 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1924
1925         PR other/15514
1926         * doc/gcov.texi: Fix typo.
1927
1928 2005-02-01  Richard Henderson  <rth@redhat.com
1929
1930         PR target/19680
1931         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1932         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1933         type to bool.
1934         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1935         * config/i386/i386-protos.h: Update.
1936
1937 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1938
1939         PR tree-optimization/19217
1940         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1941         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1942         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1943         that it is walking a PHI node.
1944
1945 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1946
1947         * doc/extend.texi (Nested Functions): Update.
1948
1949 2005-02-01  Richard Henderson  <rth@redhat.com>
1950
1951         PR 19696
1952         * optabs.c (expand_copysign_absneg): Export.
1953         * optabs.h (expand_copysign_absneg): Declare.
1954         * config/rs6000/rs6000.md (copysigntf3): New.
1955
1956 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1957
1958         PR tree-optimization/19633
1959         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1960         * tree-ssa-alias.c (init_alias_info): Initialize.
1961         (merge_pointed_to_info): Set.
1962         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1963         (dump_points_to_info_for): Show value of pt_null.
1964         (struct count_ptr_d): Declare.
1965         (find_ptr_dereference): Remove.
1966         (ptr_is_dereferenced_by): Remove.
1967         (count_ptr_derefs): New local function.
1968         (count_uses_and_derefs): New local function.
1969         (compute_points_to_and_addr_escape): Call it.  If the number
1970         of dereferences is greater than zero, mark the pointer as
1971         dereferenced.  If there are fewer dereferences than uses of
1972         the pointer, the pointer's value escapes.
1973
1974 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1975
1976         PR tree-optimization/19670
1977         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1978         here...
1979         (verify_use): ... set it here, instead.
1980
1981 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1982
1983         * doc/sourcebuild.texi (Test directives): Fix formatting.
1984
1985         * doc/sourcebuild.texi (Test directives): Describe selector
1986         expressions.
1987
1988 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1989
1990         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1991         specific 64-bit CPUs.
1992
1993 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1994
1995         PR target/16201
1996         * arm.c (arm_eliminable_register): New function.
1997         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1998         HOST_WIDE_INT for address offsets.
1999         * arm-protos.h (arm_eliminable_register): Add prototype.
2000
2001 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2002
2003         PR optimization/15242
2004         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2005         * basic-block.h (duplicate_computed_gotos): Add prototype.
2006         * bb-reorder.c (duplicate_computed_gotos): New function to
2007         duplicate sufficiently small blocks ending in a computed jump.
2008         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2009         if not optimizing for size.
2010         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2011         never do tail merging for blocks ending in a computed jump.
2012         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2013
2014 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2015
2016         Patch from Richard Sandiford <rsandifo@redhat.com>
2017         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2018         from inheriting a subreg equivalence with a non-spill register.
2019
2020         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2021
2022 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2023
2024         * config/frv/frv.c (movcc_fp_destination_operand): New.
2025         (gpr_or_memory_operand): Fix typo in comment.
2026         (gpr_or_memory_operand_with_scratch): New.
2027         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2028         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2029         movcc_fp_destination_operand.
2030         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2031         Legitimize memory addresses using a scratch register.
2032
2033 2005-01-31  Jeff Law  <law@redhat.com>
2034
2035         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2036         bitmap a sparse bitmap instead of a simple bitmap.
2037         (mark_def_sites_initialize_block):  Corresponding changes.
2038         (ssa_mark_def_sites_initialize_block): Likewise.
2039         (ssa_mark_phi_uses): Likewise.
2040         (mark_def_site, ssa_mark_def_sites): Likewise.
2041         (mark_def_site_blocks): Likewise.
2042         (rewrite_ssa_into_ssa): Likewise.
2043
2044         * tree-ssa-dom.c (record_cond): Pass correct variable type
2045         for last argument to htab_find_slot_with_hash.
2046
2047         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2048         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2049
2050 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2051
2052         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2053         1_mmalua.
2054
2055 2005-02-01  Eric Christopher  <echristo@redhat.com>
2056
2057         * config/mips/mips.c (override_options): Warn if -mint64
2058         is used.
2059         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2060         deprecated.
2061
2062 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2063
2064         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2065         timestamp.
2066         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2067         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2068         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2069         (cached_regno): Initialize to INVALID_REGNUM.
2070         (cse_reg_info_table_size,
2071         cse_reg_info_table_first_uninitialized,
2072         cse_reg_info_timestamp): New.
2073         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2074         get_cse_reg_info.
2075         (init_cse_reg_info, get_cse_reg_info_1): New.
2076         (get_cse_reg_info): Cache the last look-up.
2077         (new_basic_block): Update the code to clear mappings from
2078         registers to cse_reg_info entries.
2079         (cse_main): Call init_cse_reg_info.
2080
2081         * cse.c (get_cse_reg_info): Update a comment.
2082
2083 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2084
2085         PR c/19333
2086         * c-decl.c (start_decl): Do not warn about arrays of elements with
2087         an incomplete type here.
2088         (grokdeclarator): Do it here by making a pedwarn an error.
2089         * c-typeck.c (push_init_level): If there were previous errors with
2090         the constructor type, do not warn about braces for initializers.
2091         (process_init_element): Likewise for excess initializer elements.
2092
2093 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2094
2095         * cse.c (delete_trivially_dead_insn): Don't iterate.
2096
2097 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2098
2099         * config/rs6000/rs6000.md (copysignsf3): New expand.
2100         (copysigndf3): Likewise.
2101
2102 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2103
2104         * recog.c (constrain_operands): Only look for earlyclobber operand
2105         conflicts if an '&' constraint was seen.
2106
2107 2005-01-31  Marc Espie <espie@openbsd.org>
2108
2109         * config.gcc: Don't include embedded systems fragment, switches default
2110         debugging format to ELF.
2111         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2112         longer pick it up there.
2113
2114 2005-01-31  Dale Johannesen  <dalej@apple.com>
2115
2116         * doc/extend.texi (nested functions): Fix linkage description.
2117         Clarify that static is not allowed.
2118
2119 2005-01-31  Dale Johannesen  <dalej@apple.com>
2120
2121         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2122         (movdf_low_di):  Make work.
2123
2124 2005-01-31  Dale Johannesen  <dalej@apple.com>
2125
2126         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2127         Make work for 64 bit.
2128
2129 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2130             Dale Johannesen  <dalej@apple.com>
2131
2132         PR middle-end/19650
2133         * fold-const.c (fold_binary_op_with_conditional_arg):
2134         Make types match original operands, before STRIP_NOPS.
2135
2136 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2137
2138         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2139         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2140         (struct gcc_sigcontext): Delete.  Merge contents to..
2141         (struct gcc_ucontext): ..here.
2142         (get_sigcontext): Delete.
2143         (get_regs): New function, like get_sigcontext but return regs ptr.
2144         64-bit version finds regs from r1 to support vdso.
2145         (ppc_linux_aux_vector): New function.
2146         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2147         and vector regs.
2148
2149 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2150
2151         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2152         sizetype.
2153         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2154         redundant fold. Fix misalignment for MINUS_EXPR.
2155         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2156         (vect_analyze_pointer_ref_access): Likewise.
2157         (vect_get_memtag_and_dr): Likewise.
2158
2159 2005-01-31  Richard Henderson  <rth@redhat.com>
2160
2161         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2162         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2163         absnegdf2_i387, absnegxf2_i387): Likewise.
2164
2165 2005-01-31  Richard Henderson  <rth@redhat.com>
2166
2167         PR 19696
2168         * optabs.c (expand_copysign_absneg): New.
2169         (expand_copysign_bit): Split out from ...
2170         (expand_copysign): ... here.  Use expand_copysign_absneg.
2171
2172 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2173
2174         PR middle-end/19697
2175         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2176         constant as the second operand and a register as the third.
2177
2178 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2179
2180         PR target/19704
2181         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2182         that dllimport'd functions do not use all call-clobbered registers
2183         to pass parameters.
2184
2185 2005-01-30  Richard Henderson  <rth@redhat.com>
2186
2187         PR 19696
2188         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2189         expand_abs_nojump and generalize.  Use operand_subword and
2190         emit_no_conflict_block.  Support large modes.
2191         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2192         back to maximum.
2193         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2194         negation to subtraction.
2195         (expand_copysign): Check that the format has signed zeros.
2196         Use operand_subword and emit_no_conflict_block.  Support large modes.
2197
2198 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2199
2200         Fix PR tree-optimization/19624
2201
2202         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2203         * tree-ssa-pre.c: Add cfgloop.h.
2204         Update comment.
2205         (pre_stats): New member, constified.
2206         (inserted_exprs): New static variable.
2207         (NECESSARY): New macro.
2208         (create_expression_by_pieces): Fold the expression, and
2209         mark it as defaulting to not necessary. Also put in
2210         inserted_exprs.
2211         (fully_constant_expression): New function.
2212         (insert_into_preds_of_block): Modify to not insert phis when we
2213         are playing with induction variables.
2214         Push phis onto the inserted_exprs vector, and mark them as not
2215         necessary by default.
2216         (insert_aux): Call fully_constant_expression on eprime.
2217         If all edges produce the same value, mark it constant.
2218         (mark_operand_necessary): New function.
2219         (remove_dead_inserted_code): New function.
2220         (init_pre): Init loop optimizer to get loop info.
2221         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2222         (execute_pre): Commit edge inserts, then remove dead code.
2223
2224 2005-01-30  Richard Henderson  <rth@redhat.com>
2225
2226         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2227         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2228
2229 2005-01-30  Richard Henderson  <rth@redhat.com>
2230
2231         PR target/19700
2232         * config/i386/i386.c (ix86_expand_copysign): New.
2233         (ix86_split_copysign_const): New.
2234         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2235         rearrange op1/nmask operands.
2236         * config/i386/i386-protos.h: Update.
2237         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2238         (copysigndf3): Likewise.
2239         (copysignsf3_const, copysigndf3_const): New.
2240         (copysignsf3_var): Rename from copysignsf3, split out splitter
2241         and fix split predicate for X constraint.
2242         (copysigndf3_var): Similarly.
2243
2244 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2245
2246         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2247         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2248         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2249
2250 2005-01-29  Richard Henderson  <rth@redhat.com>
2251
2252         PR target/19690
2253         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2254         of # and * in constraints.
2255
2256 2005-01-29  Richard Henderson  <rth@redhat.com>
2257
2258         PR middle-end/19689
2259         * expr.c (store_field): Don't strip sub-mode cast when the input
2260         data is even smaller.
2261
2262 2005-01-29  Richard Henderson  <rth@redhat.com>
2263
2264         PR middle-end/19687
2265         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2266         union being empty.
2267
2268 2005-01-29  Richard Henderson  <rth@redhat.com>
2269
2270         * combine.c (make_field_assignment): Fix argument order
2271         to gen_int_mode.
2272
2273 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2274
2275         PR tree-optimization/15791
2276         * fold-const.c (extract_array_ref): New function.
2277         (fold): Fold comparisons between &a[i] and &a[j] or
2278         semantically equivalent trees.
2279
2280 2005-01-29  Jeff Law  <law@redhat.com>
2281
2282         * gcse.c (insert_expr_in_table): Revamp handling of available
2283         and anticipatable occurrence lists to avoid unnecessary list
2284         walking.
2285         (insert_set_in_table): Similarly.
2286
2287 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2288
2289         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2290         build string type.
2291         (c_build_qualified_type): Build qualified array types with
2292         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2293         * c-decl.c (c_make_fname_decl): Build unqualified array type
2294         before qualified type.
2295         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2296         type is qualified, not just if type itself is.  Don't apply
2297         qualifiers to array type when declarator is processed.  Apply
2298         qualifiers to field type whether or not it is an array type.
2299         Don't handle array types specially for applying qualifiers to
2300         variables.
2301         * c-typeck.c (composite_type): Build unqualified element type and
2302         array type when forming composite of array types.
2303         (common_pointer_type, comptypes, comp_target_types,
2304         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2305         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2306         types.
2307         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2308         (args2) in variables a1 and a2.
2309
2310 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2311
2312         * cse.c (n_elements_made, max_elements_made): Remove.
2313         (insert): Don't touch n_elements_made.
2314         (cse_main): Don't touch n_elements_made or max_elements_made.
2315
2316 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2317
2318         PR target/15384
2319         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2320         configuration part of dp-bit.c to be lost.
2321
2322 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2323
2324         * expmed.c (expand_mult_highpart_optab): When attempting to use
2325         a non-widening multiplication in a wider mode, the operands need
2326         to be converted (zero or sign extended) to that mode.
2327
2328 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2329
2330         PR middle-end/16558
2331         PR middle-end/19583
2332         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2333         through if both operands fall through.
2334
2335 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2336
2337         * cse.c (fold_rtx) <PC>: Don't optimize.
2338
2339 2005-01-28  Jeff Law  <law@redhat.com>
2340
2341         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2342         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2343
2344 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2345
2346         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2347         cse_reg_info_used_list_end): Remove.
2348         (cse_reg_info_list, cse_reg_info_list_free): New.
2349         (get_cse_reg_info): When allocating an instance of
2350         cse_reg_info, add it to the beginning of the cse_reg_info_list
2351         list.  Remove code to maintain cse_reg_info_used_list.
2352         (new_basic_block): Reset the free list to the beginning of
2353         cse_reg_info_list.
2354
2355 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2356
2357         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2358         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2359         (frv_expand_mdpackh_builtin): New function.
2360         (frv_expand_builtin): Use it to expand __MDPACKH.
2361         * doc/extend.texi (__MDPACKH): Update documentation.
2362
2363 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2364
2365         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2366         SSE_FLOAT_MODE_P for use_sse computation.
2367
2368 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2369
2370         PR target/19663
2371         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2372
2373 2005-01-27  Richard Henderson  <rth@redhat.com>
2374
2375         * builtins.c (expand_builtin_copysign): New.
2376         (expand_builtin): Call it.
2377         * genopinit.c (optabs): Add copysign_optab.
2378         * optabs.c (init_optabs): Initialize it.
2379         (expand_copysign): New.
2380         * optabs.h (OTI_copysign, copysign_optab): New.
2381         (expand_copysign): Declare.
2382
2383         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2384         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2385
2386         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2387         (ix86_expand_fp_absneg_operator): ... here.
2388         (ix86_split_copysign): New.
2389         * config/i386/i386-protos.h: Update.
2390         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2391         (copysignsf3, copysigndf3): New.
2392
2393         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2394         (copysignsf3, ncopysignsf3): New.
2395         (copysigndf3, ncopysigndf3): New.
2396         (copysignxf3, ncopysignxf3): New.
2397         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2398
2399 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2400             Kazu Hirata  <kazu@cs.umass.edu>
2401
2402         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2403         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2404         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2405         NULL_RTX.
2406
2407 2005-01-27  Jeff Law  <law@redhat.com>
2408
2409         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2410         definitions of SSA_NAMEs which are not being rewritten.
2411         (rewrite_ssa_into_ssa): Only initialize the current definition
2412         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2413         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2414         SSA_NAMEs before returning.
2415
2416 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2417
2418         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2419         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2420         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2421         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2422         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2423
2424 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2425
2426         PR middle-end/17278
2427         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2428         higher to -O2 and higher.  Likewise for tree PRE.
2429         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2430         and better.
2431
2432 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2433
2434         PR middle-end/19583
2435         * gimple-low.c (try_catch_may_fallthru): New static function.
2436         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2437         * tree-inline.c (expand_call_inline): Don't warn about reaching
2438         the end of a non-void function being inlined if the function uses
2439         a return slot.
2440
2441 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2442
2443         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2444
2445         PR c/18946
2446         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2447         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2448         (implicitly_declare): Handle error_mark_node.
2449
2450 2005-01-27  Richard Henderson  <rth@redhat.com>
2451
2452         PR tree-opt/14329
2453         * tree.h (struct tree_decl): Add debug_expr_is_from.
2454         (DECL_DEBUG_EXPR_IS_FROM): New.
2455         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2456         * dwarf2out.c (dwarf2out_var_location): Update to match.
2457         * tree-outof-ssa.c (create_temp): Likewise.
2458         * var-tracking.c (track_expr_p): Likewise.
2459         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2460         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2461         * toplev.c (default_tree_printer): Likewise.
2462
2463 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2464
2465         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2466         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2467
2468 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2469
2470         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2471         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2472         ASM_CLOBBERS): Add tree checks.
2473
2474         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2475         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2476         * c-common.def (SWITCH_STMT): Update to match.
2477         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2478         macros instead of SWITCH_EXPR ones.
2479         * c-dump.c (c_dump_tree): Likewise.
2480         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2481         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2482
2483         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2484
2485 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2486
2487         * unwind-dw2.c (execute_stack_op): Add missing cases for
2488         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2489
2490 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2491
2492         * config.gcc (Obsolete configurations): Remove 'dummy', add
2493         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2494         sparc-*-openbsd*.
2495
2496 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2497
2498         PR tree-optimization/19633
2499         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2500         CALL_EXPRs.
2501         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2502         are no call-clobbered variables.
2503         * tree-outof-ssa.c (check_replaceable): Return false for calls
2504         with side-effects.
2505
2506 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2507
2508         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2509         even for variables with NULL DECL_INITIAL.
2510
2511 2005-01-26  Stuart Hastings  <stuart@apple.com>
2512
2513         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2514
2515 2005-01-26  Richard Henderson  <rth@redhat.com>
2516
2517         PR middle-end/18008
2518         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2519         field's type.
2520         * expr.c (store_field): Strip conversions to odd-bit-sized types
2521         if the destination field width matches.
2522
2523 2005-01-26  Richard Henderson  <rth@redhat.com>
2524
2525         * c-decl.c, expmed.c, expr.c: Revert last change.
2526
2527 2005-01-26  Richard Henderson  <rth@redhat.com>
2528
2529         PR middle-end/18008
2530         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2531         field's type.
2532         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2533         if we don't need the bits above those present in the current mode.
2534         * expr.c (store_field): Strip conversions to odd-bit-sized types
2535         if the destination field width matches.
2536
2537 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2538
2539         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2540         either -ffast-math or -funsafe-math-optimizations is in use.
2541
2542 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2543
2544         PR target/19293
2545         PR target/19329
2546         * config/avr/avr.c (notice_update_cc): Only set condition code for
2547         ashrqi3 if shift count > 0.
2548         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2549         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2550         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2551         count <= 0 as a no-op, and shift count >= width by copying zero
2552         or sign bit to all bits of the result.
2553         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2554         count, with attribute "length" set to 0 and "cc" set to "none".
2555
2556 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2557
2558         * doc/invoke.texi: Document -mTLS.
2559
2560         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2561         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2562         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2563         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2564         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2565         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2566         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2567         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2568
2569         * configure.ac: Check for a TLS capable gas.
2570
2571         * configure: Regenerate.
2572
2573 2005-01-26  Richard Henderson  <rth@redhat.com>
2574
2575         PR middle-end/18008
2576         * combine.c (make_field_assignment): Simplify store to zero_extract
2577         from a source with an overlapping mask.
2578
2579 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2580
2581         2004-11-11  Eric Christopher  <echristo@redhat.com>
2582
2583         * config/frv/frv.md: Add fr400_integer automaton. Don't
2584         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2585         to TYPE_MACC.
2586
2587 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2588
2589         PR middle-end/16585
2590         * cfgbuild.c (make_edges): Do not clear or set
2591         current_function_has_computed_jump.
2592         * function.h (struct function): Remove the has_computed_jump field.
2593         (current_function_has_computed_jump): Do not define.
2594         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2595         in a computed jump.  Ignore current_function_has_computed_jump.
2596
2597 2005-01-26  Richard Henderson  <rth@redhat.com>
2598
2599         PR middle-end/19515
2600         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2601         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2602         fully initialized.
2603         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2604         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2605         objects into static storage if they have more than one non-zero value.
2606         * tree.h (categorize_ctor_elements): Update decl.
2607
2608 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2609
2610         PR middle-end/19616
2611         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2612         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2613         to this function from 2004-07-10.
2614         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2615         the current function for tail call optimizations if the address
2616         of one of it its arguments is taken.
2617
2618 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2619
2620         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2621
2622 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2623
2624         * function.c (expand_function_end): If current_function_calls_alloca,
2625         emit stack restore in a place that is reached when the function falls
2626         through at the end.
2627
2628 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2629
2630         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2631         rule to avoid matching inappropriate suffix rule.
2632
2633 2005-01-26  Jan Hubicka  <jh@suse.cz>
2634
2635         PR tree-optimization/19241
2636         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2637
2638 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2639
2640         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2641         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2642         of doubling.
2643         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2644         <sim*>: Always use crt1.o, regardless of N in simN.
2645         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2646         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2647         (CRT_CALL_STATIC_FUNCTION): Remove.
2648         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2649         use crt1.o, regardless of N in simN.
2650         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2651         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2652         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2653         case isystem setting.
2654         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2655
2656 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2657
2658         * gimple-low.c (block_may_fallthru): Correct handling of
2659         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2660
2661 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2662
2663         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2664         handlers to match indentation; nested under the mtune=* handler.
2665         Similar for mcpu= and march=.
2666
2667 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2668
2669         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2670         * config/mips/linux64.h (LIB_SPEC): Likewise.
2671         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2672         * config/sh/linux.h (LIB_SPEC): Likewise.
2673
2674 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2675
2676         * config/frv/frv.c (frv_legitimize_tls_address): New.
2677         (TARGET_HAVE_TLS): Define.
2678         (FRV_SYMBOL_REF_TLS_P): Define.
2679         (frv_override_options): Handle new register classes.
2680         (frv_legitimate_address_p): Reject tls addresses.
2681         (frv_legitimize_address): Handle TLS addresses.
2682         (gen_inlined_tls_plt): New.
2683         (gen_tlsmoff): New.
2684         (frv_legitimize_tls_address): New.
2685         (unspec_got_name): Add TLS entries.
2686         (got12_operand): Add R_FRV_TLSMOFF12 case.
2687         (frv_emit_move): Fixup TLS addresses.
2688         (frv_emit_movsi): Legitimize TLS addresses.
2689
2690         * config/frv/frv.h (MASK_BIG_TLS): New.
2691         (TARGET_BIG_TLS): New.
2692         (HAVE_AS_TLS): Define.
2693         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2694         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2695         (REG_CLASS_NAMES): Same.
2696         (REG_CLASS_CONTENTS): Same.
2697         (CONSTRAINT_LEN): New.
2698         (REG_CLASS_FROM_CONSTRAINT): New.
2699         (PREDICATE_CODES): Add symbolic_operand.
2700
2701         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2702         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2703         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2704         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2705         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2706         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2707         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2708         GR9_REG, GR14_REG, LRREG.
2709         (type): Add load_or_call attribute.
2710         ("load_or_call"): New reservation.
2711         ("call_gettlsoff"): New.
2712         ("tls_indirect_call"): New.
2713         ("tls_load_gottlsoff12"): New.
2714         ("tlsoff_hilo"): New.
2715         ("tls_tlsdesc_ldd"): New.
2716         ("tls_tlsoff_ld"): New.
2717         ("tls_lddi"): New.
2718
2719         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2720
2721         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2722
2723         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2724         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2725         * config/frv/frv.c (TLS_BIAS): Define.
2726         (frv_output_dwarf_dtprel): New.
2727
2728 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2729
2730         PR rtl-optimization/19579
2731         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2732         both A and B, see if they don't clobber registers the other expr uses.
2733
2734 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2735
2736         * real.c (do_add): Initialize signalling and canonical members.
2737
2738         * real.c (real_from_integer): Zero out destination.
2739
2740 2005-01-18  Jan Hubicka  <jh@suse.cz>
2741
2742         PR tree-optimize/19337
2743         * tree-inline.c (initialize_inlined_parameters): Copy
2744         saved_static_chain_decl only.
2745
2746 2005-01-25  Richard Henderson  <rth@redhat.com>
2747
2748         PR target/19556
2749         PR target/19584
2750         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2751         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2752         80387 enabled, to return a proper subclass.  Return the subset that
2753         overlaps with GENERAL_REGS for PLUS.
2754         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2755
2756 2005-01-25  Richard Henderson  <rth@redhat.com>
2757
2758         PR middle-end/19609
2759         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2760
2761 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2762
2763         * expmed.c (choose_multiplier): Change interface to return the
2764         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2765         (expand_divmod): Update calls to choose_multiplier.
2766
2767 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2768
2769         PR middle-end/19330
2770         * expmed.c (extract_bit_field): Use adjust_address instead of
2771         gen_lowpart when op0 is a MEM.
2772
2773 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2774
2775         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2776
2777 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2778
2779         * config/mips/irix-csr.c: New file.
2780         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2781         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2782         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2783         executables.
2784
2785 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2786
2787         PR bootstrap/19364
2788         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2789         sparc/elf.h, add sparc/sp-elf.h.
2790         (sparc-*-rtems*): Likewise.
2791         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2792         tm-dwarf2.h, add sparc/sp-elf.h.
2793         (sparc86x-*-elf): Likewise.
2794         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2795         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2796         TARGET_OS_CPP_BUILTINS.
2797         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2798         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2799         Undefine it.
2800         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2801         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2802         (SWITCH_TAKES_ARG): Likewise.
2803         (LOCAL_LABEL_PREFIX): Likewise.
2804         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2805         (TARGET_N_FORMAT_TYPES): Delete.
2806         (TARGET_FORMAT_TYPES): Likewise.
2807         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2808         * config/sparc/elf.h: Delete.
2809         * config/sparc/sp-elf.h: New file.
2810
2811 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2812
2813         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2814         * tree-flow.h: Remove the corresponding prototype.
2815         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2816         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2817
2818 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR target/17751
2821         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2822         for AIX ABI or ELF -fPIC.
2823         (rs6000_emit_load_toc_table): Don't create toc_section here.
2824         (rs6000_xcoff_file_start): Nor here.
2825
2826 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2827
2828         * sh.c (ra.h): Don't #include.
2829         (hard_regs_intersect_p): New function, resurrected from ra.c.
2830
2831         * sh.c: Fix 1996 Copyright.
2832
2833 2005-01-24  Richard Henderson  <rth@redhat.com>
2834             Aldy Hernandez  <aldyh@redhat.com>
2835
2836         * regrename.c (note_sets): Handle subregs.
2837
2838 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2839
2840         PR bootstrap/18058
2841         * genconditions.c (write_header, write_conditions): Elide file if
2842         not GCC >= 3.0.1.
2843
2844 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2845
2846         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2847         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2848         Update copyright.
2849
2850 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2851
2852         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2853         expand_builtin_printf, expand_builtin_fprintf,
2854         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2855         checking against POINTER_TYPE.
2856         (validate_arglist): Handle POINTER_TYPE code by checking
2857         POINTER_TYPE_P.
2858
2859 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2860
2861         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2862         init_rtlanal): New.
2863         (for_each_rtx): Call for_each_rtx_1.
2864         * rtl.h (init_rtlanal): Declare.
2865         * toplev.c (backend_init): Call init_rtlanal.
2866
2867 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2868
2869         * flow.c (propagate_one_insn): Formatting.
2870
2871         PR middle-end/19551
2872         * flow.c (libcall_dead_p): Be more conservative if unsure.
2873         If there are any instructions between insn and call, see if they are
2874         all dead before saying the libcall is dead.
2875
2876 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2877
2878         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2879         operand constraint for operand 0.
2880
2881 2005-01-23  Richard Henderson  <rth@redhat.com>
2882
2883         PR 19486
2884         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2885         edges leading to join block.
2886
2887 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2888
2889         * expmed.c (expand_mult_highpart): Make static.  Change type of
2890         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2891         (expand_divmod): Updates calls to expand_mult_highpart by using
2892         gen_int_mode to pass a CONST_INT rtx.
2893         * rtl.h (expand_mult_highpart): Remove prototype.
2894
2895 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2896
2897         * flow.c (regset_bytes, regset_size): Remove.
2898
2899         * cfganal.c: Fix a reference to Harvey's paper.
2900
2901 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2902
2903         PR rtl-optimization/19464
2904         * tree-optimize.c (init_tree_optimization_passes): Add one more
2905         copyrename pass just before out-of-ssa.
2906
2907 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2908
2909         PR bootstrap/18058
2910         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2911         * ggc-none.c (ggc_free): Define.
2912
2913 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2914
2915         * cse.c (max_reg, max_insn_uid): Remove.
2916         (cse_main): Don't access max_reg or max_insn_uid.
2917
2918         * c-common.c (explicit_flag_signed_bitfields,
2919         lang_statement_code_p, lang_expand_function_end): Remove.
2920         * c-common.h: Remove the corresponding declarations.
2921         * c-opts.c (c_common_handle_option): Remove all write access
2922         to explicit_flag_signed_bitfields.
2923
2924         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2925         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2926         * cgraph.h: Remove the corresponding declaration.
2927
2928         * gcse.c (null_pointer_info): Remove.
2929
2930 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2931             Eric Botcazou  <ebotcazou@libertysurf.fr>
2932
2933         * combine.c (simplify_logical): Only simplify logical expressions
2934         of the form ior(and(x,y),z) by the inverse distributive law if the
2935         result is cheaper than the original.
2936
2937 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2938
2939         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2940         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2941         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2942         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2943         config/freebsd-spec.h, config/arm/arm.h,
2944         config/h8300/h8300.md, config/i386/i386.md,
2945         config/i386/predicates.md, config/i386/sse.md,
2946         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2947         config/vax/vax.md: Fix comment typos.  Follow spelling
2948         conventions.
2949
2950 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2951
2952         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2953         tests, instead of `less than'.
2954
2955 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2956
2957         * function.c (assign_parm_setup_block): When creating a new stack slot
2958         for a parameter, get its alignment from the parameter's DECL_ALIGN
2959         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2960         is at least word aligned.
2961
2962 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2963
2964         PR middle-end/19378
2965         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2966
2967 2005-01-22  Richard Henderson  <rth@redhat.com>
2968
2969         PR target/19506
2970         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2971         in both compare operands.
2972         (movdfcc_1_sse_max): Likewise.
2973         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2974         (movdfcc_1_sse): Likewise.
2975         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2976         scratch register as needed.
2977
2978 2005-01-22  Richard Henderson  <rth@redhat.com>
2979
2980         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2981
2982         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2983
2984 2005-01-22  Richard Henderson  <rth@redhat.com>
2985
2986         * genopinit.c (optabs): Use smin/smax for floating point too.
2987         * doc/md.texi: Update to match.  Clarify that floating point
2988         results are undefined for +0/-0 and NaN.
2989         * doc/rtl.texi: Likewise.
2990         * rtl.def (SMIN, SMAX): Likewise
2991         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2992
2993         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2994         leading 's' to the name.
2995         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2996         smaxxf3, sminxf3): Likewise.
2997         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2998         Likewise.
2999
3000 2005-01-22  Paul Brook  <paul@codesourcery.com>
3001
3002         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3003
3004 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3005
3006         * config/s390/s390.c (struct processor_costs): New fields
3007         dlgr, dlr, dr, dsgfr, dsgr.
3008         (z900_cost, z990_cost): Values for new fields.
3009         (s390_rtx_costs): New cases MEM und COMPARE in switch
3010         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3011         DIV, MOD, UDIV, UMOD.
3012
3013 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3014
3015         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3016         into the register being decremented.
3017         ("doloop_si31", "doloop_di"): Likewise.
3018         ("*doloop_si_long"): Adapt pattern.
3019
3020 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3021
3022         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3023         access registers.
3024         (CLASS_MAX_NREGS): Likewise.
3025
3026 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3027
3028         * doc/tree-ssa.texi (Statement Operands): Add example for new
3029         must-def macro. Note deprecation of old operands interface.
3030
3031 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3032
3033         PR tree-optimization/19484
3034         * tree-cfg.c (remove_fallthru_edge): New function.
3035         (cleanup_control_flow): Remove fallthru edges from calls that are
3036         now known not to return.
3037
3038 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3039
3040         Fix PR tree-optimization/19038
3041         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3042         copies with loop variant ones.
3043
3044 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3045
3046         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3047         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3048         config/alpha/alpha.md, config/alpha/predicates.md,
3049         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3050         config/sparc/sol2.h: Update copyright.
3051
3052         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3053         first label to see if it is a nonlocal label.
3054
3055 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3056             Andrew Pinski  <pinskia@physics.uc.edu>
3057
3058         PR target/19491
3059         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3060         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3061
3062 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3063
3064         * config/rs6000/rtems.h: Update copyright.
3065
3066 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3067
3068         PR target/19548
3069         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3070         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3071         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3072
3073 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3074
3075         PR c/18809
3076         * c-typeck.c (convert_arguments): Check for error_mark_node.
3077
3078 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3079
3080         PR tree-optimization/13000
3081         * tree-inline.c: Include "tree-flow.h".
3082         (expand_call_inline): If warn_return_type, warn if non-void inline
3083         function falls through.
3084         * tree-cfg.c (execute_warn_function_return): Don't warn about
3085         control reaching end if TREE_NO_WARNING is set.  Set
3086         TREE_NO_WARNING.
3087         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3088         has been lowered.
3089         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3090         branch if we don't need one.
3091         * c-typeck.c: Include "tree-flow.h"
3092         (c_finish_bc_stmt): Don't add a goto if the current statement
3093         list doesn't fall through to the current point.
3094
3095 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3096
3097         PR rtl-optimization/576
3098         * real.c (real_arithmetic): Change return type from void to bool
3099         to return an indication that the result may be inexact.
3100         * real.h (real_arithmeric): Update prototype.
3101         * fold-const.c (const_binop):  Don't constant fold floating
3102         point expressions when the user specifies -frounding-math and
3103         the result may depend upon the run-time rounding mode.
3104         (fold_convert_const_real_from_real): Clean-up.
3105         (fold_initializer): Ignore flag_rounding_math for initializers.
3106         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3107         constant fold FP operations with flag_rounding_math if the
3108         result may depend upon the run-time rounding mode.
3109
3110 2005-01-21  Tom Tromey  <tromey@redhat.com>
3111
3112         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3113
3114 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3115
3116         * tree-cfg.c: Fix comment typos.
3117
3118 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3119
3120         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3121         around the call to rest_of_handle_branch_target_load_optimize.
3122
3123 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3124
3125         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3126         (sparc64-*-openbsd*): Likewise.
3127         (sparclite-*-elf*): Include tm-dwarf2.h.
3128         (sparc86x-*-elf*): Likewise.
3129         (sparc64-*-elf*): Likewise.
3130         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3131         (DBX_DEBUGGING_INFO): Likewise.
3132         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3133         (PREFERRED_DEBUGGING_TYPE): Likewise.
3134         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3135         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3136         (PREFERRED_DEBUGGING_TYPE): Likewise.
3137         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3138         (PREFERRED_DEBUGGING_TYPE): Likewise.
3139         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3140
3141 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3142
3143         PR target/18701
3144         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3145
3146 2005-01-20  Paul Brook  <paul@codesourcery.com>
3147
3148         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3149
3150 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3151
3152         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3153         label is first in a sequence of labels.
3154
3155         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3156
3157 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3158             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3159
3160         * doc/sourcebuild.texi (Test Directives): New.
3161
3162 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3163
3164         * real.c (real_floor): Don't leave the result uninitialized when
3165         mode is VOIDMode, but return the unrounded intermediate value.
3166         (real_ceil): Likewise.
3167
3168 2005-01-20  Paul Brook  <paul@codesourcery.com>
3169
3170         * config/arm/arm.md (insv): Use gen_int_mode.
3171
3172 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3173
3174         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3175         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3176         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3177         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3178         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3179
3180 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3181
3182         Fix PR debug/19124
3183         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3184         fbreg, so we have to assume we can't.
3185         (loc_descriptor_from_tree_1): Ditto.
3186         (containing_function_has_frame_base): New function.
3187         (add_location_or_const_value_attribute): Use it.
3188         Also try to generate a frame_base from a single element location
3189         list.
3190
3191 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3192
3193         PR tree-optimization/15349
3194         * timevar.def (TV_TREE_MERGE_PHI): New.
3195         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3196         PHI_WANTED.
3197         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3198         calls to tree_forwarder_block_p.
3199         (remove_forwarder_block_with_phi, merge_phi_nodes,
3200         gate_merge_phi, pass_merge_phi): New.
3201         * tree-optimize.c (init_tree_optimization_passes): Add
3202         pass_merge_phi.
3203         * tree-pass.h: Add an extern for pass_merge_phi;
3204
3205 2005-01-20  Richard Henderson  <rth@redhat.com>
3206
3207         PR target/19418
3208         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3209         (_mm_castps_pd, _mm_castps_si128): New.
3210         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3211
3212 2005-01-20  Richard Henderson  <rth@redhat.com>
3213
3214         PR target/19530
3215         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3216         __builtin_ia32_vec_init_v2si.
3217         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3218         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3219         (ix86_init_mmx_sse_builtins): Create it.
3220         (ix86_expand_builtin): Expand it.
3221         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3222         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3223         (vec_extractv2si_0, vec_extractv2si_1): New.
3224
3225 2005-01-20  Richard Henderson  <rth@redhat.com>
3226
3227         PR target/16533
3228         * config/i386/i386.c (ix86_expand_push): New.
3229         * config/i386/mmx.md (push<MMXMODE>1): New.
3230         * config/i386/sse.md (push<SSEMODE>1): New.
3231         * config/i386/i386-protos.h: Update.
3232
3233 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3236         copyright.
3237
3238 2005-01-20  Richard Henderson  <rth@redhat.com>
3239
3240         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3241         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3242
3243 2005-01-19  Richard Henderson  <rth@redhat.com>
3244
3245         PR target/19350
3246         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3247         to V4SFmode in SSE1 fallback load path.
3248
3249 2005-01-19  Richard Henderson  <rth@redhat.com>
3250
3251         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3252         in QImode expansion to ix86_expand_vector_set.
3253         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3254
3255 2005-01-19  Richard Henderson  <rth@redhat.com>
3256
3257         PR target/19511
3258         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3259         subclass of the input class.
3260         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3261         Always true for cross-SSE1 classes.  Rationalize conditionals.
3262         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3263         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3264         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3265         (movdi_2): Add MMX/SSE zeros.
3266         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3267         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3268         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3269         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3270         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3271         (zero_extendsidi2_rex64_1): Remove.
3272         (MOV0 peephole): Check GENERAL_REG_P.
3273
3274 2005-01-19  Richard Henderson  <rth@redhat.com>
3275
3276         PR target/19427
3277         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3278         shufps elements.
3279         (ix86_expand_vector_extract): Likewise.
3280
3281 2005-01-19  Richard Henderson  <rth@redhat.com>
3282
3283         PR middle-end/19304
3284         * expr.c (emit_move_change_mode): New argument force; use
3285         simplify_gen_subreg if true.
3286         (emit_move_via_alt_mode): Merge into ...
3287         (emit_move_via_integer): ... here.
3288         (emit_move_ccmode): Use emit_move_change_mode directly.
3289
3290 2005-01-19  Richard Henderson  <rth@redhat.com>
3291
3292         PR target/19518
3293         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3294         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3295         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3296         rtl if true.
3297         (alpha_emit_set_const): Likewise.  Make static.
3298         (alpha_emit_set_long_const): Make static.
3299         (alpha_extract_integer): Split out from alpha_expand_mov.
3300         (alpha_split_const_mov): Likewise.
3301         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3302         (alpha_legitimate_constant_p): New.
3303         * config/alpha/alpha-protos.h: Update.
3304         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3305         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3306         * config/alpha/alpha.md (movsi): Add n alternative.
3307         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3308         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3309         (splitters for all of the above): Use alpha_split_const_mov.
3310         * config/alpha/predicates.md (non_add_const_operand): New.
3311         (non_zero_const_operand): New.
3312         (input_operand): Use alpha_legitimate_constant_p after reload.
3313
3314 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3315
3316         PR tree-optimization/19038
3317         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3318         (add_candidate): Add ivs with increment in latch only if
3319         allow_ip_end_pos_p is true.
3320         (determine_iv_cost): Use empty_block_p.
3321
3322 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3323
3324         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3325         (compute_dominance_frontiers): Ditto.
3326
3327 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3328
3329         PR target/19529
3330         * config/sh/t-rtems: New.
3331         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3332
3333 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3334
3335         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3336         the offset of the selected field.
3337
3338 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3339
3340         * tree-cfg.c (remove_forwarder_block): Fix the check to
3341         prevent a nonlocal label from appearing in the middle of a
3342         basic block.
3343
3344 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3345
3346         PR rtl-optimization/19462
3347         * reorg.c (find_end_label): Create return insn only if
3348         current_function_epilogue_delay_list is empty.
3349
3350 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3351
3352         * doc/passes.texi: Remove paragraph mentioning new-ra.
3353
3354 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3355
3356         PR rtl-optimization/15139
3357         * combine.c: Include params.h.
3358         (count_rtxs): New function.
3359         (record_value_for_reg): If replace_rtx would replace at least
3360         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3361         (clobber (const_int 0)) instead of TEM.
3362         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3363         * params.h (MAX_LAST_VALUE_RTL): New.
3364         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3365         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3366
3367         PR c/17297
3368         * c-typeck.c (digest_init): Only call build_vector if all constructor
3369         elements are *_CST nodes.
3370         * gimplify.c (gimplify_init_constructor): Likewise.
3371
3372         PR middle-end/19164
3373         * c-typeck.c (digest_init): Only call build_vector if inside_init
3374         is a CONSTRUCTOR.
3375
3376 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3377
3378         * toplev.c (init_asm_output): Remove dead #ifdef.
3379
3380 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3381
3382         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3383
3384 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3385
3386         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3387         accessing DECL_FUNCTION_CODE.
3388         * dojump.c (do_jump): Likewise.
3389         * gimplify.c (gimplify_call_expr): Likewise.
3390         * predict.c (expr_expected_value): Likewise.
3391         (strip_builtin_expect): Likewise.
3392         * tree-inline.c (estimate_num_insns_1): Likewise.
3393         * tree-ssa-loop-im.c (stmt_cost): Likewise
3394         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3395         (tree_expr_nonnegative_p): Likewise.
3396
3397 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3398
3399         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3400         variant of the load_pcrel_sym pattern.
3401         * config/sparc/sparc.md (P macro): Move to the top.
3402         (load_pcrel_sym): Macroize using P.
3403         (save_register_window): Likewise.
3404
3405 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3406
3407         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3408         ("sordered"): Same.
3409
3410 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3411
3412         PR C/19472
3413         * c-typeck.c (build_asm_expr): Strip nops off
3414         input memory operands.
3415
3416 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3417
3418         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3419         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3420         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3421         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3422
3423 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3424
3425         PR target/19379
3426         * config/i386/i386.c (override_options): If the 80387 is disabled,
3427         then do not return FP values using FP registers.
3428
3429 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3430
3431         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3432         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3433         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3434         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3435         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3436         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3437         output.h, postreload-gcse.c, postreload.c, recog.c,
3438         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3439         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3440         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3441         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3442         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3443         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3444         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3445         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3446
3447         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3448         config/alpha/alpha.c, config/arm/vfp.md,
3449         config/i386/emmintrin.h, config/i386/i386-modes.def,
3450         config/i386/i386-protos.h, config/i386/i386.h,
3451         config/i386/pmmintrin.h, config/i386/ppro.md,
3452         config/i386/predicates.md, config/i386/xmmintrin.h,
3453         config/i860/i860.c, config/ia64/ia64-modes.def,
3454         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3455         config/ia64/ia64.md, config/ia64/itanium1.md,
3456         config/ia64/itanium2.md, config/ia64/predicates.md,
3457         config/iq2000/iq2000.h, config/mips/linux64.h,
3458         config/rs6000/aix41.h, config/rs6000/aix43.h,
3459         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3460         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3461         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3462         config/sparc/linux64.h, config/sparc/litecoff.h,
3463         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3464         config/sparc/sparc.h, config/sparc/sparc.md,
3465         config/sparc/sysv4-only.h: Update copyright.
3466
3467 2005-01-18  Richard Henderson  <rth@redhat.com>
3468
3469         PR target/19496
3470         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3471
3472 2005-01-18  Marc Espie  <espie@openbsd.org>
3473         * config/i386/openbsdelf.h: Typo.
3474
3475 2005-01-18  Richard Henderson  <rth@redhat.com>
3476
3477         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3478         special case for sse.
3479         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3480
3481 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3482
3483         * tree-inline.c (estimate_num_insns_1): Added cases for
3484         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3485
3486 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3487
3488         PR rtl-optimization/19296
3489         * combine.c (simplify_comparison): Rewrite the condition under
3490         which a non-paradoxical SUBREG of a PLUS can be lifted when
3491         compared against a constant.
3492
3493 2005-01-18  Andi Kleen <ak@muc.de>
3494
3495         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3496         * c.opt (-Wpointer-sign): Add.
3497         * doc/invoke.texi: (-Wpointer-sign): Add.
3498
3499 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3500
3501         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3502         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3503         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3504         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3505         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3506         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3507         for TARGET_MIX_SSE_I387.
3508         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3509         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3510         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3511         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3512         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3513         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3514         TARGET_MIX_SSE_I387.
3515         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3516         from expander.
3517
3518 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3519
3520         PR target/19424
3521         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3522         Add movaps alternative for xmm reg->reg move.
3523
3524 2005-01-17  Jeff Law  <law@redhat.com>
3525
3526         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3527         at the end of the main DOM loop rather than just before DOM exits.
3528
3529 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3530
3531         PR tree-optimization/19121
3532         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3533         adding aliases to a name tag, also add them to the pointer's
3534         type tag.
3535         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3536         sensitive alias info at all.  Only check that the two pointers
3537         have compatible pointed-to sets.
3538         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3539         a pointer's type tag is a superset of the alias set of the
3540         pointer's name tag.
3541
3542 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3543
3544         PR target/19357
3545         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3546         comment to document why.
3547
3548 2005-01-17  Richard Henderson  <rth@redhat.com>
3549
3550         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3551         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3552         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3553         sse2_vmsminv2df3_finite): New.
3554         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3555         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3556         Force op1 into register.
3557
3558 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3559
3560         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3561         bubblestrap from always rebuilding build directory.
3562
3563 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3564
3565         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3566         ("*cmpmem_short"): Likewise.
3567
3568 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3569
3570         * basic-block.h: Document BB_* flags.
3571         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3572         use an sbitmap instead.
3573         * sched-rgn.c (compute_trg_info): Likewise.
3574
3575 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3576
3577         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3578         redundant target_cpu_default and extra_parts lines.  Use the default
3579         "from-abi" ISA.
3580         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3581         (SUBTARGET_EXTRA_SPECS): Delete.
3582         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3583         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3584         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3585         and "n32" for -mabi=n32.
3586
3587 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3588
3589         PR c/5675
3590         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3591         fold constant variables into initial values.
3592
3593 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3594
3595         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3596
3597         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3598         through the statements backward.
3599
3600 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3601
3602         PR middle-end/13127:
3603         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3604         a variable set to the return value of the inlined function.
3605
3606 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3607
3608         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3609         when modes are tieable.
3610
3611 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3612
3613         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3614         of pthread_create to find out if threads are enabled.
3615         * gthr-posix95.h (__gthread_active_p): Likewise.
3616
3617 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3618
3619         * common.opt (-fnew-ra): Remove.
3620         * ra*.*: Remove.
3621         * toplev.h (flag_new_regalloc): Remove.
3622         * Makefile.in (ra*.*): Don't mention.
3623         * passes.c (rest_of_handle_new_regalloc): Remove.
3624         (rest_of_handle_combine, rest_of_compilation): Always consider
3625         flag_new_regalloc as false.
3626         * doc/invoke.texi: Don't document -fnew-ra.
3627
3628 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3629
3630         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3631         last parameter to reg_scan.
3632         * loop.c (loop_optimize): Likewise.
3633         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3634         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3635         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3636         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3637         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3638         * regclass.c (reg_scan): Likewise, for the declaration.
3639         * rtl.h (reg_scan): Likewise, for the prototype.
3640
3641 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3642
3643         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3644         mark_dfs_back_edges.
3645
3646 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3647
3648         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3649         (compute_avail): Uses don't go in tmp_gen.
3650
3651 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3652
3653         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3654         loop to look for a free slot in a page entry.
3655
3656 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3657
3658         PR target/16304
3659         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3660         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3661         just before targetm.asm_out.file_end.
3662         * tree.h (process_pending_assemble_output_defs): Declare.
3663         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3664         New functions.
3665         (assemble_alias): Defer generation of assembly code for defines when
3666         TARGET_DEFERRED_OUTPUT_DEFS is true.
3667         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3668         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3669         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3670
3671 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3672
3673         PR target/19336
3674         * pa.c (pa_scalar_mode_supported_p): New function.
3675         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3676         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3677
3678         * pa-protos.h (prefetch_operand): Delete.
3679         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3680         * pa.c (prefetch_operand): Delete.
3681         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3682         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3683         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3684         and prefetch_nocc_operand.
3685         * pa.md (prefetch): Rework to avoid reload problems handling short
3686         displacements when a cache control completer needs to be provided.
3687         (prefetch_32, prefetch_64): Delete.
3688         (prefetch_cc, prefetch_nocc): New patterns.
3689
3690 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3691
3692         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3693
3694 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3695
3696         PR ada/19388
3697         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3698         exceeds maximum alignment for global common data.
3699         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3700         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3701
3702 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3703
3704         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3705
3706 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3707
3708         * harg-reg-set.h (reg_class_names): Prototype global array.
3709         * regclass.c (reg_class_names): Declare here and initialize to
3710         REG_CLASS_NAMES.
3711         (dump_regclass): Remove local declaration of reg_class_names.
3712         (regclass): Likewise.
3713         * cfg.c (dump_flow_info): Likewise.
3714         * ra-debug.c (reg_class_names): Likewise.
3715         * regrename.c (reg_class_names): Likewise.
3716         * reload.c (reg_class_names): Likewise.
3717         * reload1.c (spill_failure): Likewise.
3718         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3719
3720 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3721
3722         * config/s390/s390.md ("reload_outti"): Remove predicate for
3723         output operand.  Abort if operand is not a MEM.
3724         ("reload_outdi", "reload_outdf"): Likewise.
3725
3726 2005-01-15  Marc Espie  <espie@openbsd.org>
3727
3728         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3729         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3730         * config/openbsd.h:  Fix C++ includes for native configurations.
3731         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3732         Add trampoline support.
3733         * config/i386/openbsdelf.h: New.
3734
3735 2005-01-15  Marc Espie  <espie@openbsd.org>
3736
3737         * collect2.c (main): Explicitly parse -dynamic-linker option.
3738
3739 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3740
3741         PR tree-optimization/19060
3742         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3743         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3744         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3745         and handle extract_range_from_cond returning false.
3746         * fold-const.c (fold): Optimize comparisons with min/max even for
3747         width > HOST_BITS_PER_WIDE_INT.
3748
3749 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3750
3751         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3752         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3753         Remove little endian multilib variants.
3754         Add mips32 multilib variant.
3755
3756 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         * explow.c (copy_all_reg, stabilize): Remove.
3759         * expr.h: Remove the corresponding prototypes.
3760
3761         * rtlanal.c (regs_set_between_p): Remove.
3762         * rtl.h: Remove the corresponding prototype.
3763
3764 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3765
3766         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3767         to rs6000_nonimmediate_operand.
3768         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3769         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3770         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3771         rs6000_nonimmediate_operand.
3772         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3773         rs6000_nonimmediate_operand.
3774
3775 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3776
3777         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3778
3779 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3780
3781         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3782         on e500v2.
3783         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3784         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3785
3786         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3787         (rs6k_nonimmediate_operand): New.
3788         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3789         correctly.
3790         (legitimate_lo_sum_address_p): Same.
3791         (rs6000_legitimize_address): Same.
3792         (rs6000_legitimize_reload_address): Same.
3793         (rs6000_legitimate_address): Same.
3794         (spe_build_register_parallel): Pass DF and DC modes in a DI
3795         register.
3796
3797         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3798         to rs6k_nonimmediate_operand.
3799
3800         * config/rs6000/spe.md ("*frob_df_di"): New.
3801         ("*frob_di_df"): New.
3802         ("*frob_di_df_2"): New.
3803         ("*mov_sidf_e500_subreg0"): New.
3804         ("*mov_sidf_e500_subreg4"): New.
3805         ("*movdf_e500_double"): Change predicate to
3806         rs6k_nonimmediate_operand.
3807
3808 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3809
3810         * postreload.c (move2add_note_store): Only call
3811         trunc_int_for_mode on scalar integers.
3812
3813 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3814
3815         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3816         replace BB_VISITED uses.
3817         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3818         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3819         (tree_dce_done): Free visited_control_parents.
3820         (perform_tree_ssa_dce): Allocate and clear it.
3821         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3822         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3823         instead of BB_VISITED.
3824
3825 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3826
3827         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3828         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3829         Remove unused prototypes.
3830
3831 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3832
3833         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3834         64-bit register usage.
3835         (spe_func_has_64bit_regs_p): Add FIXME note.
3836
3837 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3838
3839         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3840         flag_finite_math_only with flag_unsafe_math_optimizations.
3841
3842 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3843
3844         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3845         end-of-stack check.
3846         (__tpf_eh_return): Copy TPF private stack area from the module
3847         boundary stack frame.  Add check for when module addresses are
3848         equal, but no stub address is found.
3849
3850 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3851
3852         PR target/7525
3853         * arm.h (struct machine_function): Add call_via field.
3854         (thumb_call_via_label): Declare.
3855         * arm.c (thumb_call_via_label): New variable.
3856         (thumb_call_reg_needed): New variable.
3857         (arm_output_function_epilogue): For Thumb code, output any per-function
3858         call-indirect trampolines.
3859         (thumb_call_via_reg): New function.
3860         (arm_file_end): New function.
3861         (TARGET_ASM_FILE_END): Call arm_file_end.
3862         (aof_file_end): Likewise.
3863         * arm-protos.h (thumb_call_via_reg): Declare.
3864         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3865         thumb_call_via_reg in normal case.
3866
3867 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3868
3869         PR middle-end/19084
3870         PR rtl-optimization/19348
3871         * recog.c (peephole2_optimize): Do global life update if some peephole
3872         decides it doesn't need at least one of its inputs and that change
3873         influences liveness at the start of the basic block.
3874
3875         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3876         arguments instead of 1.
3877
3878 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3879
3880         PR middle-end/18820
3881         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3882         zero for nested functions needing a static chain or functions
3883         with a non-constant address.
3884
3885 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3886
3887         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3888         (and (sign_extend X) C) into (zero_extend (and X C)).
3889
3890 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3891
3892         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3893
3894 2005-01-13  Richard Henderson  <rth@redhat.com>
3895
3896         PR target/19009
3897         PR target/19250
3898         PR target/19252
3899         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3900         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3901         not just TARGET_SSE.
3902         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3903         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3904         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3905         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3906         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3907         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3908         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3909         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3910         (movdicc_c_rex64): Rename with '*'.
3911         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3912         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3913         (movsfcc_1_387): Rename from movsfcc_1.
3914         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3915         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3916         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3917         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3918         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3919         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3920         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3921         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3922         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3923         sse_movdfcc_const0_4): Remove.
3924         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3925         recognize min/max early.  Update for changed sse cmove patterns.
3926         (ix86_split_sse_movcc): New.
3927         * config/i386/i386-protos.h: Update.
3928
3929 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3930
3931         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3932         (fix_stmt_v_may_defs): Likewise.
3933
3934 2005-01-13  Richard Henderson  <rth@redhat.com>
3935
3936         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3937         for converting the mask.
3938
3939 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3940
3941         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3942         definition to 600.
3943
3944 2005-01-13  Richard Henderson  <rth@redhat.com>
3945
3946         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3947         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3948         IX86_BUILTIN_MOVDQ2Q): Remove.
3949         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3950         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3951         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3952         shuffling.
3953         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3954         (sse2_pextrw): Fix immediate constraint.
3955         (sse2_loadq, sse2_loadq_rex64): Remove.
3956         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3957         Use __builtin_ia32_vec_ext_<size>.
3958         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3959
3960 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3961
3962         * function.c (assign_parm_setup_block): Look inside original
3963         entry_parm when inspecting PARALLEL.
3964
3965 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3966             Joel Sherrill  <joel@oarcorp.com>
3967
3968         PR target/19399
3969         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3970         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3971         rtems_gxx_recursive_mutex_init.
3972         (__gthread_recursive_mutex_lock): New function.
3973         (__gthread_recursive_mutex_trylock): Likewise.
3974         (__gthread_recursive_mutex_unlock): Likewise.
3975
3976 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3977
3978         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3979
3980 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3981
3982         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3983         (ashrti3_internal): Indicate output is early clobber. Generate result
3984         into output rather than first input. Use move for low word of output
3985         if shift count is exactly 64.
3986         (lshrti3_internal): Likewise.
3987
3988 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3989
3990         PR target/18329
3991         PR target/18330
3992         * reload1.c (delete_output_reload): Don't delete an output reload
3993         if the pseudo lives longer than a single basic block.  Adjust and
3994         improve wording of comment.
3995
3996 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3997
3998         PR target/19334
3999         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4000         of TYPE_SIZE where we mean the number of bytes.
4001
4002 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4003
4004         * function.c (assign_parm_setup_block): Relax condition on
4005         multi-register optimization.
4006
4007 2005-01-12  Nick Clifton  <nickc@redhat.com>
4008
4009         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4010         an "in_delay_slot" attribute of "no" to prevent them being used in
4011         delay slots.  This is forbidden because they might generate
4012         exceptions.
4013
4014 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4015
4016         PR target/19389
4017         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4018         with r->Y and Y->r.
4019
4020 2005-01-12  Nick Clifton  <nickc@redhat.com>
4021
4022         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4023         passed on to GAS) but do not define, as GAS no longer supports or
4024         needs the -m2000 option.
4025
4026 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4027
4028         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4029         type as args of unprototyped builtins aren't automatically promoted.
4030         (fold_builtin_abs): Likewise.
4031
4032 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4033
4034         * Makefile.in: Set a `build-warn' variable.
4035
4036 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4037
4038         PR tree-optimization/17949
4039         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4040         (find_interesting_uses_address): Use it.
4041
4042 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4043
4044         * regrename.c (kill_value): Handle subreg's that won't simplify.
4045
4046 2005-01-11  Richard Henderson  <rth@redhat.com>
4047
4048         PR target/13366
4049         * config/i386/i386.h (enum ix86_builtins): Move ...
4050         * config/i386/i386.c: ... here.
4051         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4052         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4053         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4054         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4055         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4056         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4057         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4058         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4059         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4060         IX86_BUILTIN_LOADDDUP): Remove.
4061         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4062         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4063         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4064         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4065         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4066         (ix86_init_builtins): Make static.
4067         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4068         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4069         if all the modes match.  Otherwise, fake it.
4070         (get_element_number, ix86_expand_vec_init_builtin,
4071         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4072         (ix86_expand_builtin): Make static.  Update for changed builtins.
4073         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4074         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4075         (ix86_expand_vector_init_duplicate): New.
4076         (ix86_expand_vector_init_low_nonzero): New.
4077         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4078         Split out from ix86_expand_vector_init; handle integer modes.
4079         (ix86_expand_vector_init): Use them.
4080         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4081         * config/i386/i386-protos.h: Update.
4082         * config/i386/predicates.md (reg_or_0_operand): New.
4083         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4084         (movv2sf_internal): Likewise.  And a splitter to match them all.
4085         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4086  &n