OSDN Git Service

PR c/23228
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2
3         PR c/23228
4         * c-decl.c (pop_scope): Don't warn about an unused variable
5         if it is marked with TREE_NO_WARNING.
6         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
7         somenow mismatch and olddecl is to be replaced.
8
9 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
10
11         PR middle-end/23199
12         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
13         whether registers live on the edge can be saved/restored.
14
15 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
16
17         * config/sh/sh.c (fixup_mova): Skip notes.
18
19 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20
21         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
22         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
23         (s390_can_eliminate): Handle BASE_REGNUM elimination.
24         (s390_initial_elimination_offset): Likewise.
25         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
26         register on TARGET_ZARCH targets.
27         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
28         (INITIAL_FRAME_POINTER_OFFSET): Remove.
29         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
30         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
31
32 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
33
34         * config/s390/s390.md: Comment describing output modifiers updated.
35         * config/s390/s390.c (print_operand): Likewise.
36
37 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
38
39         * config/s390/s390.c (override_options): Added check for -mstack-size
40         64k limitation.
41         * doc/invoke.texi: Mention that limit in the documenation.
42
43 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
44
45         PR #19672
46         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
47
48 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
49
50         Fix PR tree-optimization/24231
51
52         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
53         (compute_avail): Ditto.
54
55 2005-10-18  Richard Henderson  <rth@redhat.com>
56
57         PR target/24428
58         * config/i386/i386.c (legitimate_constant_p): Check
59         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
60         if LABEL_REF.
61         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
62         (legitimate_pic_address_disp_p): Reorg CONST checking to make
63         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
64         directly.
65         (print_operand_address): Likewise.
66         * config/i386/predicates.md (x86_64_immediate_operand): Test
67         SYMBOL_REF_TLS_MODEL properly inside CONST.
68         (x86_64_zext_immediate_operand): Likewise.
69         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
70         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
71         * config/i386/i386-protos.h: Remove predicates.md entries.
72
73 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
74
75         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
76         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
77
78 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
79             Ian Lance Taylor <ian@airs.com>
80
81         PR middle-end/23522
82         * fold-const.c (fold_widened_comparison): Do not allow range based
83         constant folding when right operand cannot be unwidened.
84
85 2005-10-17  Richard Henderson  <rth@redhat.com>
86
87         * builtins.c (expand_builtin_synchronize): Build a new-style asm
88         with a memory clobber.
89
90 2005-10-17  James E Wilson  <wilson@specifix.com>
91
92         PR rtl-optimization/17356
93         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
94         checking for EDGE_EH.
95
96 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
97
98         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
99         the slot on an even boundary for any type with 16-byte alignment.
100
101 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
102
103         PR target/23424
104         * md.texi (Modifiers) <%>: Clarify that % doesn't work
105         after register allocation.
106
107 2005-10-17  DJ Delorie  <dj@redhat.com>
108
109         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
110         as frame related.
111
112 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
113
114         PR c++/22551
115         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
116         overflow flags.
117
118 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
119
120         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
121         to 2 if it's already non-zero.
122         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
123         is set and warn about it if flag_schedule_insns is 1.
124
125 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
126
127         * config/crx/crx.md: Compare-and-branch instructions need to
128         invalidate CC.
129
130 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
131
132         PR target/24315
133         * config/i386/i386.md (*pushdi2_rex64 splitter)
134         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
135         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
136         flow2 pass only when (optimize > 0 && flag_peephole2).
137
138 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
139
140         PR driver/22544
141         * gcc.c (have_c): New static variable.
142         (have_o): Likewise.
143         (process_command): Remove declation of have_c.
144         Set have_o to 1 when handling -o.
145         (main): Add a fatel error if there are multiple
146         files specified and -o and -c/-S is passed witout
147         -combine or multiple languages.
148
149 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
150
151         Fix PR tree-optimization/22444
152         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
153         Assert that we don't hit something with subvars.
154         (setup_pointers_and_addressables): Don't add things with subvars,
155         because we'll already process the subvars for aliasing purposes.
156
157 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
158
159         PR target/23424
160         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
161         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
162         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
163         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
164         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
165         swapped, alternatives for the R constraint.
166
167         PR middle-end/24341
168         * builtins.c (get_builtin_sync_mode): Make unlimited
169         mode_for_size request.
170
171 2005-10-15  Richard Henderson  <rth@redhat.com>
172
173         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
174         (gimplify_expr): ... here.
175         (gimplify_compound_lval): Use it in initial scan loop.  Allow
176         fb_lvalue in base expression.
177
178 2005-10-15  Richard Henderson  <rth@redhat.com>
179
180         PR 23714
181         * builtins.c (expand_builtin_trap): Export.
182         * expr.h (expand_builtin_trap): Declare.
183         * expr.c (expand_assignment): Emit a trap for integral offsets 
184         from registers that weren't reduced to bitpos.
185
186         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
187         (mark_array_ref_addressable): Remove.
188         * tree-flow.h (mark_array_ref_addressable): Remove.
189         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
190
191 2005-10-15  James E Wilson  <wilson@specifix.com>
192
193         PR target/24232
194         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
195         (add_dependence_list_and_free): Likewise.
196         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
197         call.
198
199 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
200
201         PR 23141
202         PR 23142
203         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
204         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
205         anti-range.
206         (vrp_visit_phi_node): Only prevent infinite iterations when
207         the previous result and the new result are both VR_RANGEs.
208
209 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
210
211         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
212         function comment.
213
214 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
215
216         PR c/23439
217         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
218         to initialize loc.
219
220 2005-10-14  Per Bothner  <per@bothner.com>
221
222         PR preprocessor/21250
223         * c-ppoutput.c (print_line): Print internal line 0 as 1.
224
225 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
226
227         PR c++/22551
228         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
229         overflow flags.  Refactor some conditionals.
230
231 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
232
233         PR tree-opt/21304
234         * tree-dfa.c (add_referenced_var): Only look at decls which
235         have TREE_CONSTANT or TREE_READONLY set instead of if
236         !TREE_PUBLIC or !TREE_CONSTANT.
237
238 2005-10-13  James E Wilson  <wilson@specifix.com>
239
240         * doc/invoke.texi: For -x, add f95-cpp-input.
241         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
242
243 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
244
245         PR tree-optimization/24262
246         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
247         in loop all the time.
248
249 2005-10-12  Richard Henderson  <rth@redhat.com>
250
251         PR c/24255
252         * tree.h (DECL_TRANSPARENT_UNION): Remove.
253         * function.c (assign_parm_find_data_types): Don't support it.
254         * print-tree.c (print_node): Likewise.
255         * c-common.c (handle_transparent_union_attribute): Likewise.
256         Use build_duplicate_type.
257         * tree-inline.c (remap_type_1): Split out of remap_type;
258         properly remap aggregate fields.
259         (build_duplicate_type): New.
260         * doc/extend.texi (Variable Attributes): Remove documentation
261         for transparent_union.
262
263 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
264
265         PR target/24284
266         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
267         (gen_stack_pointer_dec): Likewise.
268
269 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
270
271         PR middle-end/21275
272         PR middle-end/21766
273         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
274         target hook.
275         (struct cxx): Add adjust_class_at_definition target hook.
276         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
277         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
278         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
279         hook_void_tree. Add to TARGET_CXX.
280         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
281         dllimport_flag.
282         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
283         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
284         instead of attribute. Check for dllexport override.  Warn if
285         inconsistent dll linkage. Don't lose old dllimport if decl has
286         had address referenced.   Tweak lookup of dllimport atribute.  
287         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
288         for target specific rules.  Don't add dllimport attribute if
289         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
290         dllimport attribute. 
291         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
292         * varasm.c (initializer_constant_valid_p): Replace
293         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
294
295         PR target/21801
296         PR target/23589
297         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
298         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
299         (i[34567]86-*-mingw32*): Likewise.
300
301         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
302         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
303                         
304         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
305         C++-specific code. Change return value to bool. 
306         (i386_pe_dllimport_p): Likewise.
307         (associated_type): Simplify and make language-independent
308         (i386_pe_encode_section_info): Replace override of ambiguous
309         dllimport symbol refs with a gcc_assert.
310         (i386_pe_valid_dllimport_attribute_p): Define.
311         * config/i386/winnt-cxx.c: New file. Define C++ versions of
312         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
313         i386_pe_adjust_class_at_definition.
314         * config/i386/winnt-stubs.c: New file. Define stub versions of
315         lang-specific functions.
316         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
317         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
318         i386_pe_adjust_class_at_definition.
319         (i386_pe_valid_dllimport_attribute_p): Declare. 
320         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
321         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
322         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
323
324         PR target/19704
325         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
326         dllimport attribute with test of DECL_DLLIMPORT_P.
327
328 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
329
330         * combine.c (make_extraction): Correct offset computation.
331
332 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
333
334         * config/cris/t-linux (LIMITS_H_TEST): Define.
335
336 2005-10-12  Richard Henderson  <rth@redhat.com>
337
338         PR rtl-opt/23324
339         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
340
341 2005-10-12  Richard Guenther  <rguenther@suse.de>
342
343         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
344
345 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
346
347         PR c++/19964
348         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
349         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
350         type.
351
352 2005-10-12  Richard Guenther  <rguenther@suse.de>
353
354         PR c++/23799
355         * varasm.c (output_constant): Correct typo from previous
356         patch by DJ.
357
358 2005-10-11  Ian Lance Taylor  <ian@airs.com>
359
360         PR rtl-optimization/13931
361         * combine.c: Revert patch of 2003-05-14, and:
362         (try_combine): Only set elim_i1 and elim_i2 if the destination is
363         completely killed in the appropriate insn.
364         (distribute_notes): Don't skip multiple hard register test for
365         elim_i1 and elim_i2.
366
367 2005-10-11  Richard Henderson  <rth@redhat.com>
368
369         PR c/24255
370         * c-typeck.c (convert_for_assignment): Use build_constructor_single
371         to initialize a transparent union instead of a nop_expr.
372
373 2005-10-11  Richard Henderson  <rth@redhat.com>
374
375         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
376         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
377         (tree_ssa_dce_loop): Call scev_reset.
378
379         PR tree-opt/24300
380         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
381         * tree-ssa-dce.c: Include cfgloop.h.
382         (tree_ssa_dce_loop, pass_dce_loop): New.
383         * tree-pass.h (pass_dce_loop): Declare it.
384         * passes.c (init_optimization_passes): Use it.
385
386 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
387
388         PR middle-end/24263 
389         * convert.c (convert_to_real): Revert 2005-10-05 patch.
390         Only apply the optimization for rounding builtins if the inner
391         cast is also an extension.
392
393 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
394
395         PR tree-opt/23946
396         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
397         mark_new_vars_to_rename instead of update_stmt.
398
399 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
400
401         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
402
403 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
404
405         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
406         for setting MMX register to 0 rather than mmx.
407
408 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
409
410         PR target/12098
411         * configure.ac: Move gas check from mips specific case to common case.
412         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
413         * configure: Regenerate
414         * doc/install.texi: Update.
415
416 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
417
418         PR target/24284
419         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
420
421 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
422
423         * gcc.c (do_spec_1): Accept numeric characters in file name
424         suffixes.
425
426 2005-10-10  Nick Clifton  <nickc@redhat.com>
427
428         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
429         describing the deleted arm_gen_rotated_half_load function.
430
431 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
432
433         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
434         __fpscr_values.
435
436 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
437
438         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
439         gnu_ld assignments.
440         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
441         (EXTRA_MULTILIB_PARTS): Define.
442         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
443         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
444         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
445         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
446         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
447         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
448
449 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
450
451         PR tree-optimization/24226
452         * tree-cfg.c (remove_bb): Clean up unreachable loops.
453         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
454         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
455         Export.
456
457 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
458
459         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
460
461 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
462
463         PR target/24136
464         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
465         Rewrite for no need for the early clobber.
466
467 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
468
469         Merge from csl-arm-branch:
470         2005-09-07  Paul Brook  <paul@codesourcery.com>
471         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
472         space to string.
473
474         2005-04-30  Paul Brook  <paul@codesourcery.com>
475         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
476         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
477
478         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
479         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
480         (arm_override_options): Use TARGET_AAPCS_BASED.
481         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
482         (PTRDIFF_TYPE): Use int for AAPCS.
483         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
484         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
485         (DEFAULT_SHORT_ENUMS): Delete.
486         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
487
488         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
489         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
490         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
491         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
492
493         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
494         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
495
496         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
497         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
498  
499         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
500         * config.gcc (arm*-*-linux-gnueabi): Add it.
501         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
502         redefining it.
503         (TARGET_OS_CPP_BUILTINS): Likeiwse.
504         * config/arm/linux-eabi.h: New file.
505         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
506         (LINUX_TARET_LINK_SPEC): Likewise.
507         (LINK_SPEC): Use it.
508         * config/arm/t-linux-eabi: New file.
509
510 2005-10-08  Steven Bosscher  <stevenb@suse.de>
511
512         PR other/22202
513         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
514         spaces.
515         (PARAM_SMS_DFA_HISTORY): Likewise.
516
517 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
518
519         PR middle-end/23150
520         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
521         (load_register_parameters): Call it.
522         (check_sibcall_argument_overlap_1): Likewise.
523         (store_one_arg): Likewise.
524
525 2005-10-07  James E. Wilson  <wilson@specifix.com>
526
527         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
528         DImode not VECINT24 for operand 2.
529
530         PR target/23644
531         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
532         -mtune-arch.
533
534         PR target/24193
535         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
536         fr_spill): Use destination_operand for operand 0.
537
538 2005-10-07  DJ Delorie  <dj@redhat.com>
539
540         * varasm.c (output_constant): Limit error to expanding
541         conversions.
542
543 2005-10-07  Richard Guenther  <rguenther@suse.de>
544
545         PR middle-end/24227
546         * fold-const.c (fold_binary): Fix operand types during folding
547         of X op (A, Y).  Evaluation order of the side-effects of
548         X and A are frontend-defined, so ensure we honour that even for
549         tcc_comparison class operands; eased by removing duplicate code.
550
551 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
552
553         * stor-layout.c (layout_type): Do not allow alignment of array
554         elements to be greater than their size.
555
556 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
557
558         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
559         host_xmake_file.
560         (hppa*-*-linux*): Ditto.
561         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
562         * config/host-hpux.c: New.
563         * config/x-hpux: New.
564         * config/pa/x-hpux: Remove.
565         * config/pa/x-linux: Remove.
566         * config/pa/pa-host.c: Remove.
567
568 2005-10-07  Jeff Law  <law@redhat.com>
569
570         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
571         determine whether or not to try and thread outgoing edges.
572
573 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
574
575         * config/rs6000/rs6000.md (eqsi_power): New.
576         (neg_eq0si): Add TARGET_POWER to final condition.
577         (neg_eqsi): Same.
578
579 2005-10-06  Richard Henderson  <rth@redhat.com>
580
581         * config/rs6000/rs6000.c: Revert last change.
582
583 2005-10-06  Richard Henderson  <rth@redhat.com>
584
585         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
586         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
587
588 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
589
590         PR middle-end/22216
591         PR middle-end/23651
592         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
593         out return_label and naked_return_label.
594
595 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
596         
597         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
598         change.
599
600 2005-10-06  Richard Henderson  <rth@redhat.com>
601
602         PR tree-opt/22237
603         * tree-inline.c (declare_return_variable): Handle modify_dest not
604         being a DECL.
605
606 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
607         
608         Fix PR tree-optimization/22488
609         * tree-ssa-structalias.c (check_for_overlaps): New function.
610         (create_variable_info_for): Use it.
611
612 2005-10-06  Richard Henderson  <rth@redhat.com>
613
614         PR debug/24070
615         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
616         (dwarf2out_start_source_file): Print it.
617
618 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
619
620         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
621
622 2005-10-06  Richard Henderson  <rth@redhat.com>
623
624         PR 23706
625         * mode-switching.c (optimize_mode_switching): Clear transp bit
626         for block with incomming abnormal edges.
627
628         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
629         (fpscr_set_from_mem): Use them.
630         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
631         (fpscr postinc splitters): Rewrite as peephole2+split.
632
633 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
634
635         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
636         (eq<mode>_compare): Same.
637
638 2005-10-06  Richard Guenther  <rguenther@suse.de>
639
640         PR tree-optimization/24238
641         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
642
643 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
644
645         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
646         here.  Use AC_PATH_PROG for environment variables instead of
647         test -x.
648         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
649         objdump also.
650         * configure: Regenerated.
651
652 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
653
654         PR target/23783
655         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
656         then force it into a register.
657         (call_value): Likewise.
658
659 2005-10-06  Richard Henderson  <rth@redhat.com>
660
661         PR 24049
662         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
663         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
664         under pass_vectorize.
665
666 2005-10-05  Devang Patel  <dpatel@apple.com>
667
668         PR Debug/23205
669         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
670         handling constants. Check NAMESPACE_DECL context for constants.
671         
672 2005-10-05  Eric Christopher  <echristo@apple.com>
673
674         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
675
676 2005-10-05  Richard Henderson  <rth@redhat.com>
677
678         PR 23714
679         * tree-cfg.c (mark_array_ref_addressable_1): New.
680         (mark_array_ref_addressable): New.
681         * tree-flow.h (mark_array_ref_addressable): Declare.
682         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
683
684 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
685
686         PR middle-end/20606
687         PR middle-end/24069
688         * reload.c (subst_reloads): When adding a REG_LABEL to a
689         jump instruction, also update JUMP_LABEL.
690
691 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
692
693         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
694         * bb-reorder.c (copy_bb_p): Use it.
695         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
696
697 2005-10-05  Richard Henderson  <rth@redhat.com>
698
699         PR target/23602
700         * toplev.c (process_options): Warn about unsupported combinations
701         of unwind tables and omit-frame-pointer.
702         * config/i386/i386.c (override_options): Similarly.  Enable
703         accumulate-outgoing-args if not explicitly disabled.
704
705 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
706
707         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
708         Handle big endian vs. small endian.
709         (vec_initv2sf): Handle big endian vs. small endian.
710         (*vec_extractv2sf_1): Ditto.
711
712 2005-10-05  Dale Johannesen  <dalej@apple.com>
713
714         * convert.c (convert_to_real):  Don't convert
715         (float)floor(double d) to floorf((float)d).
716
717 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
718
719         * config/arm/arm.md (insv): Use gen_int_mode in more places.
720
721 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
722
723         PR tree-optimization/18587
724         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
725         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
726         build_vuses): Change to VEC type.
727         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
728         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
729         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
730         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
731         (get_name_decl): New.  Return DECL_UID of base variable.
732         (operand_build_cmp): New.  qsort comparison routine.
733         (operand_build_sort_virtual): New.  Sort virtual build vector.
734         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
735         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
736         (FINALIZE_BASE): Use get_name_decl.
737         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
738         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
739         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
740         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
741         direct VEC_* manipulations.
742         (build_ssa_operands): Call operand_build_sort_virtual.
743         (copy_virtual_operand, create_ssa_artficial_load_stmt,
744         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
745         with direct VEC_* manipulations.
746         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
747         with direct VEC manipulations.
748
749 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
750
751         PR tree-optimization/21419
752         PR tree-optimization/24146
753         PR tree-optimization/24151
754
755         * c-typeck.c (readonly_error): Handle USE being lv_asm.
756         (build_asm_expr): Call it if outputs are read-only.
757         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
758
759 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
760             Paolo Bonzini  <bonzini@gnu.org>
761
762         PR target/23809
763
764         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
765         enable the instructions and not just the built-ins.
766         * doc/invoke.texi (x86 Options): Likewise.
767
768 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
769
770         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
771
772         * doc/invoke.texi (Option Summary): Correct spelling
773         of -mmacosx-version-min.
774
775 2005-10-04  Devang Patel  <dpatel@apple.com>
776
777         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
778         real types.
779
780 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
781
782         * tree-vect-transform.c (vect_create_epilog_for_reduction):
783         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
784
785 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
786
787         * config/s390/s390.md ("TDSI","DP"): New mode macros.
788         ("TE","tg"): New mode attributes.
789         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
790         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
791         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
792         dword_mode and one for GPRmode.
793
794 2005-10-04  Ian Lance Taylor  <ian@airs.com>
795
796         PR preprocessor/13726
797         * c-ppoutput.c (cb_include): Add comments parameter, and print out
798         any comments passed in.
799
800 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
801
802         * tree.c (annotate_with_file_line): Fix typo.
803
804 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
805
806         PR ada/19382
807         * builtins.c (fold_builtin_memcmp): When constructing the pointer
808         type used to access data in the inlined length == 1 case, use
809         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
810         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
811
812 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
813
814         * config/i386/i386.h (TARGET_FISTTP): Enable also for
815         TARGET_SSE3 and only for TARGET_80387.
816         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
817         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
818         Do not depend on TARGET_80387.
819
820 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
821
822         * tree.c (last_annotated_node): Change type to location_t*.
823         (annotate_with_file_line): Reflect the change of
824         last_annotated_node type.
825
826 2005-10-04  Richard Guenther  <rguenther@suse.de>
827
828         PR c/23576
829         * c-decl.c (grokdeclarator): Don't write to fields
830         of error_mark_node.
831
832 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
833
834         PR middle-end/23125
835         * c-decl.c (finish_decl): Use set_user_assembler_name even for
836         register variables.
837         * varasm.c (make_decl_rtl): If a register variable does not
838         have a set user assmbler name, error out.
839         Decode the asmspec is now name+1 bypassing '*'.
840
841 2005-10-04  Steven Bosscher  <stevenb@suse.de>
842
843         PR tree-optimization/23049
844         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
845         of a COND_EXPR is folded before calling fold on the whole rhs of a
846         conditional assignment.
847         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
848         document that a COND_EXPR may appear there.
849
850 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
851
852         PR 23445
853         * tree-vrp.c (extract_range_from_assert): If the new numeric
854         range created out of the assertion contradicts the existing
855         numeric range of the ASSERT_EXPR variable, make the new range
856         varying.
857
858 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
859
860         * config/sh/sh.c (sh_register_move_cost): Add case for moving
861         from T_REGS to FP register class.
862
863 2005-10-03  Richard Henderson  <rth@redhat.com>
864
865         PR 24135
866         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
867         before creating a new one.
868
869 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
870
871         * config/rs6000/t-aix43 (LDFLAGS): New.
872         * config/rs6000/t-aix52 (LDFLAGS): New.
873
874 2005-10-03  Ian Lance Taylor  <ian@airs.com>
875
876         * gimplify.c (find_single_pointer_decl_1): New static function.
877         (find_single_pointer_decl): New static function.
878         (internal_get_tmp_var): For a formal variable, set restrict base
879         information if appropriate.
880         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
881         return it.
882         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
883         (DECL_GET_RESTRICT_BASE): Define.
884         (SET_DECL_RESTRICT_BASE): Define.
885         (decl_restrict_base_lookup): Declare.
886         (decl_restrict_base_insert): Declare.
887         (struct tree_decl_with_vis): Add based_on_restrict_p field.
888         * tree.c (restrict_base_for_decl): New static variable.
889         (init_ttree): Initialize restrict_base_for_decl.
890         (copy_node_stat): Copy restrict base information.
891         (decl_restrict_base_lookup): New function.
892         (decl_restrict_base_insert): New function.
893         (print_restrict_base_statistics): New static function.
894         (dump_tree_statistics): Call print_restrict_base_statistics.
895
896 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
897
898         PR 24142
899         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
900         case of anti-ranges.
901
902 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
903
904         PR c/18851
905         * c-typeck.c (tagged_tu_seen): Rename to ...
906         (tagged_tu_seen_cache): this and add val field.
907         (comptypes): Move functional to comptypes_internal
908         and free tagged_tu_seen.
909         (comptypes_internal): New function and call comptypes_internal
910         instead of comptypes. Speed up by sibcalling
911         tagged_types_tu_compatible_p.
912         (alloc_tagged_tu_seen): New function
913         (free_all_tagged_tu_seen_up_to): New function.
914         (tagged_types_tu_compatible_p): Return the val of the seen two
915         types.
916         Add that the two types are the same to tagged_tu_seen_base
917         if they are and call comptypes_internal instead of comptypes.
918         <case UNION_TYPE>: Speed up common type where the fields are
919         in the same order.
920         (function_types_compatible_p): Call comptypes_internal instead of
921         comptypes.
922         (type_lists_compatible_p): Likewise.
923         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
924
925 2005-10-02  Matthias Klose  <doko@debian.org>
926
927         * doc/invoke.texi: Fix typo and speling error.
928
929 2005-10-01  Richard Henderson  <rth@redhat.com>
930
931         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
932
933 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
934
935         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
936         using --start-group and --end-group.
937
938 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
939
940         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
941         FIXME note regarding quirky semantics.
942
943 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
944
945         PR 24141
946         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
947         non-null range as a last resort.
948
949 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
950             Diego Novillo  <dnovillo@redhat.com>
951
952         PR 23604
953         * tree-vrp.c (extract_range_from_assert): For !=
954         assertions, only build an anti-range if LIMIT is a
955         single-valued range.
956
957 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
958
959         * arm.md (movqi): On thumb when optimizing, handle loading from
960         memory by describing this as taking a subreg of a zero-extended load
961         into an SImode register.
962         (movhi): Likewise.
963
964 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
965
966         * reload1.c (merge_assigned_reloads): Do not change any
967         RELOAD_FOR_OUTPUT_ADDRESS reloads.
968
969 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
970
971         * Makefile.in (LIPO_FOR_TARGET): Define.
972         (STRIP_FOR_TARGET): Define.
973
974         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
975         before creating new ones.  Do symlinks before creating the actual
976         targets.
977
978         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
979         to work out which multilibs are actually being built.
980
981 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
982
983         * tree-vect-transform.c, config/ms1/ms1.md,
984         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
985         Follow spelling conventions.
986         * doc/invoke.texi, doc/md.texi: Fix typos.
987
988 2005-09-30  Andrew Macleod  <amacleod@redat.com>
989
990         PR tree-optimization/21430
991         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
992         use operands, and set stmt pointer if need be.
993         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
994         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
995         present.
996
997 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
998
999         PR middle-end/24053
1000         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1001
1002 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
1003
1004         * optabs.c (expand_binop): Initialize first_pass_p.
1005
1006 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR middle-end/24109
1009         * c-decl.c (c_write_global_declarations_1): If any
1010         wrapup_global_declaration_2 call returned true, restart the loop.
1011
1012 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
1013
1014         Fix PR tree-optimization/24117
1015         * tree-ssa-structalias.c (find_func_aliases): Strip nops
1016         before considering whether to use anyoffset.
1017
1018 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1019
1020         Revert this patch:
1021
1022         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1023
1024         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1025         to order operands.
1026         (swap_commutative_operands_with_target): New.
1027
1028 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1029
1030         PR c/21419
1031         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1032         read-only.
1033
1034 2005-09-29  Steven Bosscher  <stevenb@suse.de>
1035
1036         PR tree-optimization/23911
1037         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1038         and IMAGPART_EXPR too.
1039
1040 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
1041
1042         PR 17886
1043         * expmed.c (expand_shift): Move logic to reverse rotation
1044         direction when  rotating by constants ...
1045         * optabs.c (expand_binop): ... here.
1046         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1047         (ix86_rotrdi3): New pattern.
1048         (rotldi3): Handle 32-bit mode.
1049         (ix86_rotldi3): New pattern.
1050
1051 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
1052
1053         PR target/24102
1054         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1055         check for numbers that need no bit twiddle.
1056
1057 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
1058
1059         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1060         multilib to be built.
1061
1062         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1063         (stage1-start): Delete old libgcc and libunwind before moving
1064         anything into the stage directory.
1065         (stage2-start): Likewise.
1066         (stage3-start): Likewise.
1067         (stage4-start): Likewise.
1068         (stageprofile-start): Likewise.
1069         (stagefeedback-start): Likewise.
1070         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1071         header in tm_file and CPU-specific t-darwin in tmake_file.
1072         (i[34567]86-*-darwin*): Don't change tm_file.
1073         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1074         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1075         shared library stub for target OS version.
1076         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1077         (SHLIB_LINK): Don't make SHLIB_SOLINK.
1078         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1079         (libgcc_s.%.dylib): New.
1080         (LIBGCC): Define.
1081         (install-darwin-libgcc-stubs): New.
1082         (INSTALL_LIBGCC): New append.
1083         * config/i386/darwin-libgcc.10.4.ver: New.
1084         * config/i386/darwin-libgcc.10.5.ver: New.
1085         * config/i386/t-darwin: New.
1086         * config/rs6000/darwin-libgcc.10.4.ver: New.
1087         * config/rs6000/darwin-libgcc.10.5.ver: New.
1088         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1089         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1090
1091 2005-09-28  Paul Brook  <paul@codesourcery.com>
1092
1093         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1094         denormals.
1095
1096 2005-09-28  Richard Guenther  <rguenther@suse.de>
1097
1098         PR tree-optimization/23853
1099         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1100         host_integerp to verify misalignment value.
1101
1102 2005-09-28  Richard Henderson  <rth@redhat.com>
1103
1104         * builtins.c (get_builtin_sync_mode): New.
1105         (expand_builtin_sync_operation): Pass in mode argument.
1106         (expand_builtin_compare_and_swap): Likewise.
1107         (expand_builtin_lock_test_and_set): Likewise.
1108         (expand_builtin_lock_release): Likewise.
1109         (expand_builtin): Update to match.
1110
1111 2005-09-28  Nick Clifton  <nickc@redhat.com>
1112
1113         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1114         formatting.  Add check to PLUS case to ensure that the offset is
1115         within an acceptable range.
1116
1117         * config/v850/v850.md (casesi): Disable the generation of the
1118         switch pattern as it is not being handled properly at the moment.
1119
1120         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1121         for when the high words are identical.
1122
1123 2005-09-27  Richard Henderson  <rth@redhat.com>
1124
1125         * pretty-print.c (pp_base_format): Fix typo for %>.
1126
1127 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
1128             Devang Patel  <dpatel@apple.com>
1129
1130         PR tree-optimization/23625
1131         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1132         LABEL_EXPR, assertion check.
1133
1134 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
1135
1136         * optabs.c (no_conflict_move_test): Check if a result of a
1137         to-be-moved insn would be clobbered by an originally
1138         preceding insn.
1139
1140 2005-09-27  Jeff Law  <law@redhat.com>
1141
1142         * passes.c (init_optimization_passes): Replace copy propagation
1143         passes immediately after DOM with phi-only copy propagation
1144         pases.  Add phi-only copy propagation pass after first DOM pass.
1145         * tree-pass.h (pass_phi_only_copy_prop): Declare.
1146         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1147         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1148         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
1149         to init_copy_prop.  Callers updated.
1150         (do_phi_only_copy_prop): New function.
1151         (pass_phi_only_copy_prop): New pass descriptor.
1152
1153 2005-09-27  Nick Clifton  <nickc@redhat.com>
1154
1155         * libgcc2.c (__popcount_tab): Remove redundant prototype.
1156
1157 2005-09-26  Jason Merrill  <jason@redhat.com>
1158
1159         PR c++/13764
1160         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1161
1162         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1163
1164 2005-09-26  James E Wilson  <wilson@specifix.com>
1165
1166         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1167         copyright.  Add gcc copyright plus libgcc exception.
1168         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
1169         copyright.
1170         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1171
1172 2005-09-26  Jeff Law  <law@redhat.com>
1173
1174         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1175         about when to iterate.
1176
1177 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
1178
1179         PR target/23847
1180         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1181         for __complex__ double in -mcpu=G5 mode.
1182
1183 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
1184
1185         PR tree-optimization/23942
1186         * Makefile.in (SCEV_H): Depends on PARAMS_H.
1187         * tree-scalar-evolution.c: Include params.h.
1188         (t_bool): New enum.
1189         (follow_ssa_edge, follow_ssa_edge_in_rhs,
1190         follow_ssa_edge_in_condition_phi_branch,
1191         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1192         Change return type to t_bool.  Use a parameter to limit the size of
1193         trees that are walked before stopping
1194         (analyze_evolution_in_loop): Initialize the limit to 0.
1195         (follow_ssa_edge): Give up by returning t_dont_know if the limit
1196         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1197
1198 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1199
1200         PR middle-end/23831
1201         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1202         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1203
1204 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
1205
1206         * combine.c (make_extraction): Check for valid use of subreg.
1207
1208 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1209
1210         PR target/24055
1211         * config/i386/i386.md ("*fistdi2_1"): New pattern.
1212         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1213         ("fist<mode>2_with_temp"): Use only register operands.
1214
1215 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
1216
1217         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1218         CALL_INSN_FUNCTION_USAGE.
1219
1220 2005-09-26  Richard Guenther  <rguenther@suse.de>
1221
1222         PR middle-end/15855
1223         * gcse.c: Include hashtab.h, define ldst entry hashtable.
1224         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1225         (ldst_entry): Use the hashtable instead of list-walking.
1226         (find_rtx_in_ldst): Likewise.
1227         (free_ldst_entry): Free the hashtable.
1228         (compute_ld_motion_mems): Create the hashtable.
1229         (trim_ld_motion_mems): Remove entry from hashtable if
1230         removing it from list.
1231         (compute_store_table): Likewise^2.
1232         (store_motion): Free hashtable in case we did not see
1233         any stores.
1234
1235 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
1236
1237         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1238         and arg1 if we are passing them to fold_build2.
1239
1240 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
1241
1242         PR 23828
1243         * config/i386/i386.c (ix86_function_regparm): Fix the test for
1244         a nested function.
1245
1246 2005-09-25  Richard Henderson  <rth@redhat.com>
1247
1248         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1249         SYMBOL_REF_TLS_MODEL to be correct.
1250
1251 2005-09-24  Richard Henderson  <rth@redhat.com>
1252
1253         * ipa-type-escape.c (discover_unique_type): Remove dead code at
1254         end of function.  Reindent.
1255
1256 2005-09-24  Ian Lance Taylor  <ian@airs.com>
1257
1258         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1259         NEGATE_EXPR/BIT_NOT_EXPR case.
1260
1261 2005-09-24  Richard Henderson  <rth@redhat.com>
1262
1263         * c-common.c (handle_mode_attribute): When not modifying in place,
1264         create subtypes for enumerations.
1265         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1266         * gimplify.c (create_tmp_from_val): Likewise.
1267
1268 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
1269
1270         * config/i386/i386.md (*tls_global_dynamic_64,
1271         *tls_local_dynamic_base_64): Add missing mode to call.
1272         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1273
1274 2005-09-24  Jan Hubicka  <jh@suse.cz>
1275
1276         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1277         (cgraph_clone_node): Likewise.
1278         * cgraph.h (cgraph_clone_edge): Update prototype.
1279         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1280         duplicated prototypes; add updating argument.
1281         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1282         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1283         updating profile.
1284         (cgraph_mark_inline_edge): Likewise.
1285         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1286         (cgraph_flatten_node): Likewise.
1287         (cgraph_decide_recursive_inlining): Likewise.
1288         (cgraph_decide_inlining_of_small_function): Likewise.
1289         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1290
1291 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1292             Pete Steinmetz <steinmtz@us.ibm.com>
1293
1294         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1295         (rldic.): Set type to "compare".
1296         (rldicr.): Same.
1297         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
1298         mfjmpr for MFCTR/MFLR.
1299         (movdf_hardfloat64): Same.
1300         (movdf_softfloat64): Same.  Correct order of store and move types.
1301         (movti_string): Set type to store_ux/load_ux.
1302         (load_multiple): Set type to load_ux.
1303         (store_multiple): Set type to store_ux.
1304         (movmemsi): Set type to store_ux.
1305         (output_cbranch direct_return): Set type to jmpreg.
1306         (stmw): Set type to store_ux.
1307         (lmw): Set type to load_ux.
1308         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1309         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1310         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1311         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1312         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1313         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1314         (rios1-fpstore): Increase latency to 3.
1315         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1316         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1317
1318 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1319             Andrew Pinski  <pinskia@physics.uc.edu>
1320
1321         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1322         operand2 constraint to "b".
1323         (sync_<fetchop_name>di_internal): Same.
1324         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1325         to "b".
1326         (sync_old_<fetchop_name>di_internal): Same.
1327         (sync_new_<fetchop_name>si_internal): Same.
1328         (sync_new_<fetchop_name>di_internal): Same.
1329
1330 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
1331
1332         PR middle-end/23991
1333         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1334         case, define as macros.
1335
1336         PR rtl-optimization/23837
1337         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
1338         clobber / clobber match between dest and p->first.
1339
1340         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1341         (no_conflict_move_test): Update comments.
1342
1343 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1344
1345         * doc/install.texi: Update URL for Jacks.
1346         * doc/sourcebuild.texi: Likewise.
1347
1348 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
1349
1350         PR target/24007
1351         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1352         registers when choosing register preferences.
1353         (movdf_hardfloat64): Same.
1354
1355 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
1356
1357         * expmed.c (expand_shift): Don't use the target of the rotate as
1358         target for the first expanded shift insn.
1359         * testsuite/gcc.dg/20050922-1.c: Testcase added.
1360
1361 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
1362
1363         PR tree-optimization/22438
1364         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1365         preserved iv rhs rewriting specially.
1366
1367 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
1368
1369         * tree-data-ref.c (analyze_array_indexes): Only estimate when
1370         estimate_only  is true.
1371         * tree-flow.h (ref_contains_indirect_ref): New prototype.
1372         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1373         tree-ssa-structalias.c
1374         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1375         ref_contains_indirect_ref.
1376         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1377
1378 2005-09-21  DJ Delorie  <dj@redhat.com>
1379
1380         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1381         MASK_PTR_A0D0.
1382         (mn10300_return_in_memory): Support variable size types also.
1383         (mn10300_pass_by_reference): Likewise.
1384         (mn10300_function_value): New.
1385         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1386         (FUNCTION_OUTGOING_VALUE): Likewise.
1387         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1388         * doc/invoke.texi: Document it.
1389
1390 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
1391
1392         PR target/22585
1393         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1394         force integer op1 into register for XFmode compares.
1395
1396 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1397
1398         PR middle-end/23971
1399         * expmed.c (alg_code): Add alg_impossible.
1400         (alg_hash_entry): Add cost.
1401         (synth_mult): Record alg_impossible in the hash table if
1402         multiplication by a given integer is impossble within the
1403         limit.  Speed up using alg_impossible.
1404
1405 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1406
1407         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1408         argument.  Allow and set any offset if needs_anyoffset is passed
1409         in.
1410         (get_constraint_for): Add argument here too.
1411         Pass it down.
1412         (do_structure_copy): Pass NULL to get_constraint_for.
1413         (handle_ptr_arith): Ditto.
1414         (find_func_aliases): Ditto.
1415
1416 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
1417
1418         PR rtl-optimization/23898
1419         * output.h (get_attr_min_length): Declare.
1420         * final.c (get_attr_length_1): New function, broken out of:
1421         (get_attr_length).
1422         (get_attr_min_length): New function.
1423         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1424         (duplicate_computed_gotos): Likewise.
1425         * genattr.c (insn_min_length): Generate declaration.
1426         * genattrtab.c (min_fn, min_attr_value): New functions.
1427         (make_length_attrs): Generate insn_min_length.
1428
1429 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
1430
1431         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1432
1433 2005-09-20  Richard Henderson  <rth@redhat.com>
1434
1435         PR tree-optimization/24059
1436         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1437         EXPAND_STACK_PARM.
1438
1439 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
1440
1441         * c.opt (fextended-identifiers): New.
1442         * c-opts.c (c_common_handle_option): Handle
1443         -fextended-identifiers.
1444         * doc/cpp.texi: Update documentation of extended identifiers.
1445         * doc/cppopts.texi (-fextended-identifiers): Document.
1446
1447 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
1448
1449         PR tree-optimization/23929
1450         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1451         if expr is NULL.
1452
1453         PR tree-optimization/23818
1454         * tree-stdarg.c (execute_optimize_stdarg): Call
1455         calculate_dominance_info.
1456
1457 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1458
1459         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1460         (analyze_siv_subscript_cst_affine): Add weak SIV test.
1461         (compute_overlap_steps_for_affine_1_2): Use
1462         get_number_of_iters_for_loop.
1463         (analyze_subscript_affine_affine): Check whether difference is
1464         zero first.
1465         Use get_number_of_iters_for_loop.
1466         Check whether overlap occurs outside of bounds.
1467         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1468
1469 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1470
1471         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1472         base register if possible.
1473
1474 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
1475
1476         PR tree-optimization/18463
1477         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1478         converting it directly is not possible.
1479         (chrec_convert_aggressive): New function.
1480         * tree-chrec.h (chrec_convert_aggressive): Declare.
1481         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1482         Fold chrec conversions aggressively if asked to.
1483         (instantiate_parameters): Modified because of changes in
1484         instantiate_parameters_1.
1485
1486 2005-09-19  Richard Henderson  <rth@redhat.com>
1487
1488         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1489         (reduc_splus_v2df): New.
1490
1491 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
1492
1493         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1494         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
1495
1496 2005-09-19  Richard Henderson  <rth@redhat.com>
1497
1498         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1499         vcondu<SSEMODE12>.
1500
1501 2005-09-19  Richard Henderson  <rth@redhat.com>
1502
1503         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1504         (ia64_expand_dot_prod_v8qi): New.
1505         * config/ia64/ia64-protos.h: Update.
1506         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1507         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1508         sdot_prodv8qi, sdot_prodv4hi): New.
1509         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1510
1511 2005-09-19  Richard Henderson  <rth@redhat.com>
1512
1513         PR 23941
1514         * real.c (exact_real_truncate): Return false if the format cannot
1515         represent the number as a normal.
1516
1517         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1518         for a memory source.
1519
1520 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
1521
1522         * tree-ssa-operands.c (swap_tree_operands): Export.
1523         * tree.h (swap_tree_operands): Declare.
1524         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1525         Call swap_tree_operands.
1526
1527 2005-09-19  Richard Henderson  <rth@redhat.com>
1528
1529         * tree-flow.h (merge_alias_info): Declare.
1530         * tree-ssa-copy.c (merge_alias_info): Export.
1531         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1532         (vect_create_data_ref_ptr): Use create_iv directly.
1533         (vectorizable_load): Use correct types for integer constants.
1534         (vect_generate_tmps_on_preheader): Likewise.
1535         (vect_gen_niters_for_prolog_loop): Likewise.
1536
1537 2005-09-19  Steven Bosscher  <stevenb@suse.de>
1538
1539         PR rtl-optimization/23943
1540         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1541
1542 2005-09-18  Jan Hubicka  <jh@suse.cz>
1543
1544         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1545
1546 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
1547
1548         * varasm.c (output_constant): Do not abort on conversions to union
1549         types between different sizes.
1550
1551 2005-09-18  Richard Guenther  <rguenther@suse.de>
1552
1553         PR middle-end/23944
1554         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1555         fallback.
1556
1557 2005-09-18  Paul Brook  <paul@codesourcery.com>
1558
1559         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1560
1561 2005-09-17  Richard Henderson  <rth@redhat.com>
1562
1563         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1564         * tree-ssa-loop.c (pass_vect_dce): Remove.
1565         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1566         of pass_vectorize.
1567
1568 2005-09-17  Richard Henderson  <rth@redhat.com>
1569
1570         * tree-pass.h (pass_vect_dce): Declare.
1571         * passes.c (init_optimization_passes): Add it.
1572         * tree-flow.h (tree_ssa_dce): Declare.
1573         * tree-ssa-dce.c (tree_ssa_dce): Export.
1574         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1575         (gate_tree_vectorize): ... here.
1576         (pass_vect_dce): New.
1577
1578 2005-09-17  Jan Hubicka  <jh@suse.cz>
1579
1580         * except.c (struct eh_status): Turn region_array into vec.
1581         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1582         convert_from_eh_region_ranges, find_exception_handler_labels,
1583         current_function_has_exception_handlers, assign_filter_values,
1584         build_post_landing_pads, dw2_build_landing_pads,
1585         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1586         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1587         foreach_reachable_handler, can_throw_internal_1,
1588         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1589         region_array.
1590         (duplicate_eh_region_1): Update region_array.
1591         (duplicate_eh_regions): Resize region_array and avoid recomputing.
1592
1593 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
1594
1595         PR middle-end/22067
1596         * expmed.c (expand_mult): Substitute simple register for op0 when
1597         computing max_cost.
1598
1599 2005-09-17  Richard Henderson  <rth@redhat.com>
1600
1601         * expr.c (emit_move_via_integer): Add force argument, pass it on
1602         to emit_move_change_mode.  Update callers.
1603         (emit_move_complex): Pass true to new force argument.
1604         * function.c (expand_function_end): Move expand_eh_return call
1605         earlier.  Merge sub-word complex values into a pseudo before
1606         copying to the return hard register.
1607
1608 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1609
1610         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1611         between different sizes.
1612
1613 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
1614
1615         PR 23903
1616
1617         * passes.c (init_optimization_passes): Register dump files for
1618         IPA passes first.
1619
1620 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1621
1622         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1623         * config/s390/s390.c (s390_overlap_p): New function.
1624         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1625         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1626         condition.
1627
1628 2005-09-16  Richard Guenther  <rguenther@suse.de>
1629
1630         * ipa-pure-const.c (static_execute): Free auxiliar information.
1631         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1632         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1633
1634 2005-09-15  DJ Delorie  <dj@redhat.com>
1635
1636         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1637
1638 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1639
1640         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1641         to order operands.
1642         (swap_commutative_operands_with_target): New.
1643
1644 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1645
1646         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1647         parameter.
1648         Update callers.
1649         (estimate_iters_using_array): New function.
1650         * tree-data-ref.h (estimate_iters_using_array): Prototype
1651         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1652         Use estimate_iters_using_array instead of analyze_array.
1653
1654 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1655
1656         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1657         as addressable.
1658
1659 2005-09-15  Michael Matz  <matz@suse.de>
1660
1661         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1662
1663 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1664
1665         PR tree-optimization/23835
1666         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1667         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1668
1669 2005-09-14  Richard Henderson  <rth@redhat.com>
1670
1671         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1672         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1673
1674 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1675
1676         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1677         in the ARRAY_TYPE case.
1678
1679 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1680
1681         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1682
1683 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1684
1685         PR middle-end/22480
1686         * tree-vect-transform.c (vectorizable_operation): Return false for
1687         scalar shift operations and for vector shift operations with
1688         non-invariant shift arguments.  Use scalar tree operand op1 as
1689         a shift operand when vector shift insn pattern uses scalar shift
1690         operand.
1691         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1692
1693 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1694
1695         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1696         value if it has side-effects.
1697
1698 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1699
1700         PR target/22068
1701         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1702
1703 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1704
1705         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1706         passed as NAME as if it were label at start of function code.
1707
1708 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1709
1710         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1711         the constraints.
1712
1713 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1714
1715         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1716         as early clobber.  Rewrite so the PIC register is not implicitly used.
1717
1718 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1719
1720         * tree.c (annotate_with_file_line): Compare line numbers before
1721         file names.
1722
1723 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1724
1725         PR target/23816
1726         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1727         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1728
1729 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1730
1731         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1732         than a HOST_WIDEST_INT to gen_doloop_begin.
1733
1734 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1735
1736         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1737
1738 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1739
1740         PR tree-optimize/23817
1741         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1742
1743 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1744
1745         PR target/23774
1746         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1747         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1748         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1749         (restore_stack_nonlocal): Likewise.
1750         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1751
1752 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1753
1754         PR g++/7874
1755         * c.opt (ffriend-injection): New C++ option.
1756         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1757         (C++ Dialect Options): Document -ffriend-injection.
1758
1759 2005-09-12  Josh Conner  <jconner@apple.com>
1760
1761         PR middle-end/23237
1762         * ipa-reference.c (static_execute): Don't mark variables in
1763         named sections TREE_READONLY.
1764
1765 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1766
1767         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1768         stack_tie.
1769
1770 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1771
1772         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1773         V_MUST_DEF instead of just the first_use_p.
1774         Don't mark the virtual variables for renaming on the statement which
1775         is being removed.
1776         (pass_dse): Remove TODO_update_ssa.
1777
1778 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1779
1780         PR middle-end/23290
1781         * stor-layout.c (compute_record_mode): For records with a single
1782         field, actually check the field's mode size against the type size.
1783
1784         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1785         registers for TARGET_SHMEDIA.
1786         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1787         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1788         of GENERAL_REGS and FP_REGS.
1789
1790 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1791
1792         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1793
1794 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1795
1796         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1797         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1798         are omitted.  Exclude stack_tie insn too.
1799
1800 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1801
1802         PR rtl-optimization/23098
1803         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1804         0.0f is easy.
1805         * config/rs6000/rs6000.md (movdf splitter): Use
1806         const_double_operand predicate for TARGET_POWERPC64.
1807         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1808         SYMBOL_REF method to ABI_V4.
1809
1810         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1811         replace_equiv_address.
1812         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1813         rs6000_sr_alias_set and MEM_NOTRAP.
1814         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1815
1816 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1817
1818         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1819         handle CALL_EXPR again.
1820
1821 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1822
1823         * arm/predicates.md (alignable_memory_operand): Delete.
1824
1825 2005-09-10  Richard Henderson  <rth@redhat.com>
1826
1827         PR debug/23806
1828         * dbxout.c (dbxout_expand_expr): New.
1829         (dbxout_symbol): Use it.
1830
1831 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1832
1833         * arm.c (arm_gen_rotated_half_load): Delete.
1834         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1835         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1836         (thumb_set_return_address): Likewise.
1837         (thumb_load_double_from_address): Use adjust_address.
1838         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1839         (extendhsisi2_mem, movhi_bytes): Use change_address.
1840         (movhi): Use widen_memory_access.
1841         (reload_out_df): Use replace_equiv_address.
1842         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1843
1844 2005-09-09  Richard Henderson  <rth@redhat.com>
1845
1846         PR debug/20998
1847         * dbxout.c: Include expr.h.
1848         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1849         (dbxout_symbol): Handle DECL_VALUE_EXPR.
1850         * Makefile.in (dbxout.o): Add EXPR_H.
1851
1852 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
1853
1854         PR tree-optimization/23509
1855         * tree-cfg.c (replace_uses_by): Use replace_exp.
1856         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1857         pointers have name_mem_tag or type_mem_tag set.
1858
1859 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1860
1861         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1862         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1863         of wrongly accessing operands.
1864
1865 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1866
1867         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1868         * tree-chrec.c: Include tree-scalar-evolution.h.
1869         (chrec_convert): Instantiate the base and step before calling
1870         scev_probably_wraps_p that would fail on parametric evolutions.
1871         Collect all the fails into a single section failed_to_convert,
1872         print a diagnostic, and return chrec_dont_know instead of calling
1873         fold_convert.
1874         * tree-scalar-evolution.c (loop_closed_phi_def): New.
1875         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1876         phi nodes.
1877         (scev_const_prop): Don't replace the definition of a loop closed ssa
1878         phi node by itself, or by another loop closed ssa phi node.
1879         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1880         that base and step are defined.
1881
1882 2005-09-09  Richard Guenther  <rguenther@suse.de>
1883
1884         PR c++/23624
1885         * fold-const.c (fold_ternary): Check truth_value_p before
1886         calling invert_truthvalue.
1887
1888 2005-09-09  Nick Clifton  <nickc@redhat.com>
1889
1890         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1891         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1892         dimension of these arrays.
1893         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1894         these arrays.
1895         * longlong.h: Only provide a prototype for the __clz_tab[] array
1896         if this header has not been included from libgcc2.h.
1897         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1898         defining own types.
1899         Provide prototypes for exported functions.
1900         Use the __clz_tab[] and __popcount_tab[] arrays provided by
1901         libgcc2.c.
1902
1903 2005-09-08  Josh Conner  <jconner@apple.com>
1904
1905         PR c++/21135
1906         PR c++/23180
1907         * expr.c (expand_expr_addr_expr_1): Don't invoke
1908         expand_simple_binop for EXPAND_INITIALIZER.
1909
1910 2005-09-08  Richard Henderson  <rth@redhat.com>
1911
1912         PR debug/23190
1913         * toplev.c (wrapup_global_declaration_1): Split out ...
1914         (wrapup_global_declaration_2): ... from ...
1915         (wrapup_global_declarations): ... here.  Return bool.
1916         (check_global_declaration_1): Split out ...
1917         (check_global_declarations): from here.
1918         (emit_debug_global_declarations): New.
1919         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1920         check_global_declaration_1, emit_debug_global_declarations): Declare.
1921         * c-decl.c (c_write_global_declarations_1): Don't create a vector
1922         of decls.  Call wrapup_global_declaration_1,
1923         wrapup_global_declaration_2, check_global_declaration_1 directly.
1924         (c_write_global_declarations_2): New.
1925         (ext_block): New.
1926         (c_write_global_declarations): Call c_write_global_declarations_2.
1927         * langhooks.c (write_global_declarations): Call
1928         emit_debug_global_declarations.
1929
1930         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1931         remove decls that have DECL_RTL_SET_P.
1932         * passes.c (rest_of_decl_compilation): Invoke
1933         cgraph_varpool_finalize_decl for all but functions.
1934
1935 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1936
1937         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1938         the result of a conversion if the new min and max cannot be compared.
1939
1940 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1941
1942         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1943         (override_options): Setting s390_sr_alias_set removed.
1944         (save_fpr, save_gprs): Set alias set to vararg or frame.
1945         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1946         s390_sr_alias_set with get_frame_alias_set ().
1947         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1948         get_varargs_alias_set ().
1949
1950 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1951
1952         PR objc/20574
1953         PR objc/19324
1954         * c-parser.c (c_parser_objc_method_definition): If the next
1955         token is not "{", error out and don't start the function.
1956
1957 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1958
1959         * tree-vrp.c (extract_range_from_expr): Move the check for non
1960         nullness after the check for gimple invariant.
1961
1962 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1963
1964         * tree.c (host_integerp, tree_low_cst): Correct function comment.
1965
1966 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1967
1968         PR target/23747
1969         * config/m32r.md (movmemsi_internal): Canonicalize order of
1970         operands in PLUS component of template.
1971
1972 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1973
1974         * reload1.c (fixup_eh_region_note): Remove assertion.
1975         (fixup_abnormal_edges): Reverted removal of call to
1976         find_many_sub_basic_blocks made on 2005-08-31.
1977
1978 2005-09-07  Richard Henderson  <rth@redhat.com>
1979
1980         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1981         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1982         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1983         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1984         rearrange for better packing.
1985         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1986         (lookup_cfa_1): Remove inline marker.
1987         (cfa_equal_p): Split out of ...
1988         (def_cfa_1): ... here.  Use INVALID_REGNUM.
1989         (build_cfa_loc): Handle !cfa->indirect.
1990         (frame_pointer_cfa_offset): New.
1991         (dbx_reg_number): Assert register elimination performed; do
1992         leaf register remapping.
1993         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1994         (eliminate_reg_to_offset): New.
1995         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
1996         for verifiably local stack frame addresses; re-base to CFA.
1997         (mem_loc_descriptor): Remove can_use_fbreg argument.
1998         (concat_loc_descriptor, loc_descriptor): Likewise.
1999         (containing_function_has_frame_base): Remove.
2000         (rtl_for_decl_location): Don't do register elimination or
2001         leaf register remapping here.
2002         (secname_for_decl): Split out from ..
2003         (add_location_or_const_value_attribute): ... here.
2004         (convert_cfa_to_loc_list): New.
2005         (compute_frame_pointer_to_cfa_displacement): New.
2006         (gen_subprogram_die): Use them.
2007         * tree.h (frame_base_decl): Remove.
2008         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2009         (prologue_stack_adjust): Remove.
2010         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2011         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2012         (set_frame_base_location): Remove.
2013         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2014         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2015         (vt_add_function_parameters): Don't eliminate_regs.
2016         (vt_initialize): Don't create frame_base_decl.
2017
2018 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2019
2020         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2021         version of GNU binutils for 4.x and later.
2022
2023 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
2024
2025         * ggc-page.c (ggc_push_context): Remove.
2026         (ggc_pop_context): Likewise.
2027         * ggc.h (ggc_push_context): Remove.
2028         (ggc_pop_context): Likewise.
2029
2030 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2031
2032         PR target/8973
2033         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2034         returning from an interrupt handler.
2035
2036 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2037
2038         PR target/8972
2039         * config/arc/arc.c (output_shift): Add check for loop count when
2040         optimizing.
2041
2042 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2043
2044         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2045         form manually.
2046         (abs_replacement): Likewise.
2047         (pass_phiopt): Remove TODO_update_ssa.
2048
2049 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR c/23075
2052         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2053         if "return with no value, in function returning non-void" warning
2054         has been issued.
2055         * tree-cfg.c (execute_warn_function_return): Don't look at
2056         RETURN_EXPRs with TREE_NO_WARNING set.
2057
2058         PR target/22362
2059         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2060         for internal functions doesn't use registers used by global registers
2061         variables.  Use fewer register parameters if there are global register
2062         variables.
2063
2064 2005-09-06  Olivier Hainque  <hainque@adacore.com>
2065             Eric Botcazou  <ebotcazou@adacore.com>
2066
2067         PR middle-end/14997
2068         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2069         when we would be extracting outside its bit span (bitpos+bitsize
2070         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2071         Ada unchecked conversions.
2072
2073 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2074
2075         * tree-ssa-pre.c (try_look_through_load): New function.
2076         (compute_avail): Use it to try to look through loads for some
2077         more useful expressions.
2078
2079 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2080
2081         * simplify-rtx.c (simplify_binary_operation_1): Correct the
2082         condition for detecting cases like (a&a) and (a^a).
2083
2084 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
2085
2086         * common.opt: Add option ftree-vect-loop-version.
2087         * params.def: Add --param vect-max-version-checks.
2088         * doc/invoke.texi: Document ftree-vect-loop-version and
2089         --param vect-max-version-checks.
2090         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2091         may_misalign_stmts and defines for accessors.
2092         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2093         LOOP_VINFO_MAY_MISALIGN_STMTS.
2094         (destroy_loop_vec_info): VEC_free for
2095         LOOP_VINFO_MAY_MISALIGN_STMTS.
2096         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2097         Update documentation.
2098         (vect_update_misalignment_for_peel): New.
2099         (vect_enhance_data_refs_alignment): Update to choose loop
2100         peeling or loop versioning if appropriate for the (potentially)
2101         unaligned data references in the loop.
2102         (vect_analyze_data_refs_alignment): Remove call to
2103         vect_enhance_data_refs_alignment so the checks can be done
2104         earlier.
2105         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2106         and move up call to vect_analyze_data_refs_alignment.
2107         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2108         (vect_transform_loop): Add call to loop_version.
2109
2110 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2111
2112         PR rtl-optimization/23098
2113         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2114         * simplify-rtx.c (constant_pool_reference_p): New function.
2115         * rtl.h (constant_pool_reference_p): New prototype.
2116         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2117         constant_pool_reference_p in condition and
2118         avoid_constant_pool_reference in preparation statements.
2119
2120 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2121
2122         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2123         STRICT_LOW_PART SETs.
2124
2125 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
2126
2127         PR middle-end/21460
2128         * except.c (sjlj_emit_function_enter): Find the function begin
2129         note even when it's not in first basic block.
2130
2131 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
2132
2133         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
2134         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2135         * aclocal.m4: Regenerate.
2136
2137 2005-09-05  DJ Delorie  <dj@redhat.com>
2138
2139         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2140         of macro.
2141
2142 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
2143
2144         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2145         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2146         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2147         Follow spelling conventions.
2148         * doc/invoke.texi: Follow spelling conventions.
2149
2150 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2151
2152         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2153         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2154         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2155
2156 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2157
2158         PR target/23683
2159         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2160         (output_stack_adjust): Use gen_tmp_stack_mem.
2161         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2162         (sh_set_return_address, sh_allocate_initial_value): Likewise.
2163         (sh_get_pr_initial_val): Likewise.
2164         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2165         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
2166         * sh.md (divsi_inv_m0): Use gen_const_mem.
2167         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2168         (movdf_i4+1): Use gen_tmp_stack_mem.
2169         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2170         (fpu_switch+2): Likewise.
2171         (movv4sf_i, movv16sf_i): Use adjust_address.
2172         (symGOT_load): Set MEM_NOTRAP_P bit.
2173
2174 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2175
2176         PR target/23721
2177         * pa.c (emit_move_sequence): Fix typo in last change.
2178
2179 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
2180
2181         PR rtl-optimization/23454
2182         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2183         is true.
2184
2185 2005-09-03  Richard Henderson  <rth@redhat.com>
2186             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2187
2188         PR middle-end/23671
2189         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2190         gen_rtx_MEM.
2191
2192 2005-09-02  Nicolas Pitre <nico@cam.org>
2193
2194         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2195         to bit_count to 32 bits.
2196
2197 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
2198
2199         PR c++/23167
2200         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2201         generating synthetic loads from volatile lvalues.
2202
2203 005-09-02  Nick Clifton  <nickc@redhat.com>
2204
2205         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2206         __ctzhi2, __clzhi2): New functions.
2207
2208 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
2209
2210         PR middle-end/23547
2211         * tree-nested.c (struct var_map_elt): Mark with GTY.
2212         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
2213         var_map_elt.
2214         (lookup_field_for_decl): Allocate new element in GC memory.
2215         (lookup_tramp_for_decl): Likewise.
2216         (convert_nl_goto_reference): Likewise
2217         (create_nesting_tree): Allocate info in GC memory. Likewise for
2218         info->var_map.
2219         (free_nesting_tree): Free with ggc_free instead of free.
2220         (root): New static variable.
2221         (lower_nested_functions): Remove root as local variable.  And zero out
2222         root at the end of the function.
2223
2224 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
2225
2226         PR rtl-optimization/20365
2227         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2228         to short.  New member ix.
2229         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2230         (simplify_plus_minus): Initialize ix members before calling qsort.
2231
2232 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
2233
2234         PR tree-optimization/23626
2235         * tree-cfg.c (replace_uses_by): Clean up eh info.
2236
2237 2005-09-01  DJ Delorie  <dj@redhat.com>
2238
2239         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2240         fprintf.
2241
2242 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
2243
2244         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2245         (rs6000_split_multireg_move): Use replace_equiv_address instead of
2246         gen_rtx_MEM.
2247
2248 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2249
2250         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
2251         do not issue warning for a variable definition following
2252         a declaration.
2253
2254 2005-09-01  Richard Henderson  <rth@redhat.com>
2255
2256         PR 23668
2257         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2258         conversion to CONST_VECTOR.
2259
2260 2005-09-01  Richard Henderson  <rth@redhat.com>
2261
2262         PR 23676
2263         * reload1.c (reload_as_needed): Check !CALL_P before calling
2264         fixup_eh_region_note.
2265         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2266
2267 2005-09-01  DJ Delorie  <dj@redhat.com>
2268
2269         * varasm.c (output_constant): Let the target resolve
2270         conversions of addresses to non-default pointer sizes.
2271
2272 2005-09-01  Nicolas Pitre <nico@cam.org>
2273
2274         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2275         to alow matching ARM pre-indexed addressing mode.
2276         (arm_override_options): Remove now irrelevant comment.
2277
2278 2005-09-01  Phil Edwards  <phil@codesourcery.com>
2279
2280         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
2281         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
2282         * config/i386/vxworks.h:  Likewise.
2283         * config/i386/t-vxworksae:  New file, for VxWorks AE.
2284         * config/i386/vxworksae.h:  Likewise.
2285
2286 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
2287
2288         PR tree-optimization/23410
2289         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2290         sequence is not wrapping during the first step.
2291
2292 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2293
2294         PR debug/7241
2295         * dwarf2out.c (base_type_die): Compare char_type_node with
2296         TYPE_MAIN_VARIANT (type), not type.
2297
2298 2005-09-01  Richard Guenther  <rguenther@suse.de>
2299
2300         PR tree-optimization/15366
2301         * common.opt: Add -finline-functions-called-once.
2302         Put -fearly-inlining in alphabetically ordered place.
2303         * doc/invoke.texi: Document new option.
2304         * ipa-inline.c (cgraph_decide_inlining): Honour
2305         flag_inline_functions_called_once.
2306
2307 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2308
2309         PR rtl-optimization/23478
2310         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2311         (alloc_qty): Initialize it.
2312         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2313         (combine_regs): Combine also n_throwing_calls_crossed fields.
2314         (find_free_reg): Don't attempt to caller-save pseudos crossing
2315         calls that might throw.
2316         * global.c (struct allocno): Add throwing_calls_crossed field.
2317         (global_alloc): Revert 2005-08-22 change.  Initialize
2318         throwing_calls_crossed.
2319         (find_reg): Don't attempt to caller-save pseudos crossing calls that
2320         might throw.
2321
2322 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
2323
2324         PR target/23649
2325         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2326         (mask64_operand): Reinstate code prior to 2005-06-11 change.
2327         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2328         (and64_2_operand): Tweak to use predicate.
2329         (and_operand): Adjust for mask_operand changes.
2330         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2331         (print_operand): Likewise.
2332         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2333         (mask64_1or2_operand): Delete.
2334         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2335         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2336         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2337         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2338         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2339         (rotldi3_internal4): Likewise.
2340         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2341         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2342         (ashldi3_internal7): Likewise.
2343         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2344         (ashldi3_internal, ashldi3_internal9 split): Likewise.
2345         (anddi3 split): Don't match mask64_operand.
2346         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
2347         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
2348         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
2349         't' splitter predicate.
2350         (movdi_internal64 + 2): Revert 2005-06-11 change.
2351
2352 2005-08-31  DJ Delorie  <dj@redhat.com>
2353
2354         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2355         (m32c_asm_integer): Add support for 32 bit pointers.
2356
2357 2005-08-31  Richard Henderson  <rth@redhat.com>
2358
2359         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2360         component-like references for setting MEM_NOTRAP_P.
2361
2362         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2363         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2364
2365 2005-08-31  Richard Henderson  <rth@redhat.com>
2366
2367         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2368         into a pseudo before applying gen_lowpart.
2369
2370 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
2371
2372         * doc/install.texi (Specific): Update cctools version required
2373         for full functionality.
2374         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2375         linkers as -macosx_version_min.
2376
2377 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
2378
2379         PR target/21255
2380         * sh.c (print_operand, %R and %S): Add handling of floating point
2381         registers, memory, constants and invalid operands.
2382
2383 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
2384
2385         * ipa-pure-const.c: Change dump name.
2386
2387 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2388
2389         PR target/23570
2390         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2391         to "reg_or_0_operand".
2392         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2393
2394 2005-08-31  Dale Johannesen  <dalej@apple.com>
2395
2396         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
2397         loops that count down.
2398
2399 2005-08-31  Richard Henderson  <rth@redhat.com>
2400
2401         PR rtl-opt/23601
2402         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2403         (fixup_eh_region_note): New.
2404         (reload_as_needed): Call it.
2405         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2406         don't call find_many_sub_basic_blocks; call verify_flow_info.
2407         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2408         (keep_stack_depressed): Likewise.
2409         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2410
2411 2005-08-31  Richard Henderson  <rth@redhat.com>
2412
2413         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2414         fp return matching.
2415
2416 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
2417
2418         * expr.c (expand_expr_real_1): Compare size of address
2419         mode to target's address mode size in deciding expansion of
2420         the constant address.
2421
2422 2005-08-31  Richard Guenther  <rguenther@suse.de>
2423
2424         PR middle-end/23477
2425         * expr.c (all_zeros_p): New function.
2426         (expand_expr_real_1): Handle the case of an all-zero
2427         non-addressable constructor separately.
2428
2429 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
2430
2431         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2432         arguments, adjust all callers.
2433         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2434
2435 2005-08-30  Richard Henderson  <rth@redhat.com>
2436
2437         PR target/23630
2438         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2439         whenever the mode sizes match.
2440
2441 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
2442
2443         * calls.c (load_register_parameters): Fix comment typo.
2444         * expr.c (emit_push_insn): Comment formatting.
2445
2446 2005-08-30  Ian Lance Taylor  <ian@airs.com>
2447
2448         * config/i386/x-cygwin (host-cygwin): Change dependency from
2449         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2450
2451 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
2452
2453         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2454         parts of 'vals'.
2455
2456 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
2457
2458         PR middle-end/23408
2459         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2460         call to ggc_collect.
2461
2462 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
2463
2464         PR bootstrap/21268
2465         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2466         beginning.  Remove $(INCLUDES) from all the rules, if following
2467         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2468
2469 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR middle-end/23484
2472         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2473         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2474         not constant, but maxlen is, don't set len to maxlen, rather
2475         set maxlen to len if len is a constant.
2476
2477 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
2478
2479         PR tree-optimization/23475
2480         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2481         and counts.
2482
2483 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
2484
2485         Fix PR middle-end/22455
2486
2487         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2488         Checksum only the parts of the tree that exist for the tree code.
2489
2490 2005-08-28  Dale Johannesen  <dalej@apple.com>
2491
2492         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
2493
2494 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
2495
2496         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2497
2498 2005-08-28  Richard Henderson  <rth@redhat.com>
2499
2500         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2501         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2502         of char_type_node.
2503
2504 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR ada/23593
2507         * builtins.c (get_memory_rtx): Don't strip nops
2508         in between COMPONENT_REFs.
2509
2510 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
2511
2512         PR middle-end/23463
2513         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2514         types.
2515         (gimplify_modify_expr): Check for zero sized types and gimplify the
2516         rhs and lhs as statements.
2517
2518 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
2519
2520         PR libgcj/23508
2521         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2522         state for return address column of signal frames.
2523
2524 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
2525
2526         PR target/23539
2527         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2528         bytes >= 2 not bytes == 2.
2529         (expand_block_move): Same.
2530
2531 2005-08-27  Richard Guenther  <rguenther@suse.de>
2532
2533         PR target/23575
2534         * config/i386/sse.md (sse2_movsd): Add missing closing
2535         braces.
2536
2537 2005-08-27  Paul Brook  <paul@codesourcery.com>
2538
2539         * genrecog.c (enum decision_type): Add DT_num_insns.
2540         (struct decision_test): Add u.num_insns.
2541         (add_to_sequence): Add DT_num_insns test.
2542         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2543         (write_cond, debug_decision_2): Ditto.
2544         (change_state): Assume peep2_next_insn never fails.
2545         Remove "afterward" argument.
2546         (write afterward, write_tree): Update to match.
2547         * recog.c (peep2_current_count): New variable.
2548         (peep2_next_insn): Check it.
2549         (peephole2_optimize): Set peep2_current_count.
2550         * recog.h (peep2_current_count): Declare.
2551
2552 2005-08-26  Josh Conner  <jconner@apple.com>
2553
2554         PR middle-end/23584
2555         * ipa-pure-const.c (check_tree): Check for volatile-ness
2556         when considering a dereference.
2557
2558 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
2559
2560         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2561
2562 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2563
2564         PR rtl-optimization/23561
2565         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
2566         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2567         at most LEN bytes long memory fits into the field.
2568         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2569         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2570         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2571
2572 2005-08-26  Richard Henderson  <rth@redhat.com>
2573
2574         PR rtl-opt/23560
2575         * loop.c (biased_biv_may_wrap_p): New.
2576         (maybe_eliminate_biv_1): Use it to suppress non-equality
2577         comparison transformations.  Delete disabled code.
2578
2579 2005-08-26  Ian Lance Taylor  <ian@airs.com>
2580
2581         * combine.c (make_extraction): Avoid reference outside object.
2582
2583 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
2584
2585         * stor-layout.c (finalize_type_size): Restore behaviour for
2586         non-aggregate types to the status quo ante of the patch for
2587         pr 23467.  Document why it matters.
2588
2589 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR c/23506
2592         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2593         array by one element, initialize the BT_LAST element with NULL.
2594
2595 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
2596
2597         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2598         optimizing for size.
2599         (plus_eqsi): Same.
2600         (compare_plus_eqsi): Same.
2601         (plus_eqsi_compare): Same.
2602         (neg_eq0<mode>): Same.
2603         (neg_eq<mode>): Same.
2604
2605         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2606         PROCESSOR_POWER4.
2607
2608 2005-08-26  Nick Clifton  <nickc@redhat.com>
2609
2610         * config/v850/v850.c (ep_memory_operand): Return FALSE if
2611         TARGET_EP is not defined.
2612         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2613         TARGET_EP is enabled.
2614         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2615         * config/v850/v850.md (save_all_interrupt): Only use the EP
2616         register if TARGET_EP is defined.
2617         (restore_all_interrupt): Likewise.
2618         * config/v850/lib1funcs.asm: Update functions so that the EP
2619         register is only used if __EP__ is defined.
2620
2621 2005-08-26  David Ung  <davidu@mips.com>
2622
2623         * config/mips/mips.c (mips_expand_prologue): Handle case when
2624         generating for MIPS16 and the outgoing argument area is more than
2625         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2626         add instruction.
2627
2628 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2629
2630         * config/crx/crx.md: Make doloop_end pattern usage controllable
2631         via mloop-nesting=<max-nesting> command line switch. Make sure
2632         the combiner cannot use doloop_end_<mode> in an illegal way.
2633         * config/crx/crx.c: Use regs up to r6 for argument passing.
2634         Refine crx_address_cost (non cst4 displacements are expensive).
2635         * config/crx/crx.opt: Add switch for mloop-nesting=.
2636
2637 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2638
2639         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2640         (UNSPEC_MVST): New constant.
2641
2642 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2643
2644         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2645         Reject operands containing eliminable registers.
2646         * testsuite/gcc.dg/20050825-1.c: New testcase.
2647
2648 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2649             Jan Hubicka  <jh@suse.cz>
2650
2651         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2652
2653 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2654
2655         PR tree-optimization/23546
2656         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2657         and REAL_CST nodes.
2658
2659 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2660
2661         * params.def (PARAM_MIN_SPEC_PROB): New.
2662         * sched-rgn.c (MIN_PROBABILITY): Delete.
2663         (compute_trg_info): Convert to PARAM_VALUE.
2664         * doc/invoke.texi (param): Document min-spec-prob.
2665
2666 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2667
2668         * config/darwin.h: define __PIC__
2669         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2670         TARGET_OS_CPP_BUILTINS macro.
2671
2672 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2673
2674         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2675         yesterday.
2676
2677 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2678
2679         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2680         to duplicate_block.
2681         * cfghooks.c (duplicate_block): Added position where to place
2682         new block as argument.
2683         * cfghooks.h (duplicate_block): Declaration changed.
2684         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2685         duplicate_block.
2686         * cfglayout.h (copy_bbs): Declaration changed.
2687         * cfgloop.h (loop_version): Declaration changed.
2688         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2689         position to copy_bbs.
2690         (loop_version): Pass position to duplicate_loop_to_header_edge.
2691         Add place_after argument and position new blocks according to
2692         it.
2693         * modulo-sched.c (sms_schedule): Pass place_after argument
2694         to loop_version.
2695         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2696         * tree-cfg.c (split_edge_bb_loc): New function.
2697         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2698         to determine position of new blocks.
2699         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2700         to loop_version.
2701         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2702         argument to duplicate_block.
2703         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2704         Pass position to copy_bbs.
2705
2706 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2707
2708         * fold-const.c (ptr_difference_const): Use
2709         cst_and_fits_in_hwi instead of host_integerp.
2710
2711 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2712
2713         * config/darwin.c (gen_pic_offset): New.
2714         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2715         Use it.
2716
2717 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2718
2719         PR tree-optimization/23486
2720         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2721
2722 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2723
2724         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2725         remove use_collect2.
2726         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2727
2728         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2729         configuration files to override the default value.
2730
2731         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2732         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2733         * config/vx-common.h:  New file, split out from...
2734         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2735         * config/vxworksae.h:  New file, for VxWorks AE.
2736         * config/vxworks.opt:  New file.
2737         * config/vxlib.c:  Update for VxWorks 6.
2738
2739         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2740         other MULTILIB_* variables appropriately.
2741         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2742         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2743         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2744         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2745
2746 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2747
2748         PR target/20799
2749         * config/darwin.c (machopic_select_section): Remove the hack to
2750         mark "::operator new" and "::operator delete" for coalescing
2751         even though they are not weak.
2752
2753 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2754
2755         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2756         * configure: Regenerate.
2757
2758 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2759
2760         PR middle-end/23517
2761         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2762         between vectors.
2763         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2764         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2765         Likewise.
2766
2767 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2768
2769         * config/rs6000/predicates.md (equality_operator): New.
2770         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2771         comparison with a large constant.
2772
2773 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2774
2775         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2776
2777 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2778
2779         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2780         registers is even, and we have a hardware double precision fp,
2781         align the buffer.
2782         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2783         size of current argument when checking if argument was passed in
2784         registers.
2785
2786         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2787
2788         PR middle-end/23467
2789         * stor-layout.c (finalize_type_size): Dont override
2790         existing alignment with a smaller alignment from the mode.
2791
2792 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2793
2794         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2795         * lambda.h (lambda_vector_lexico_pos): ... here.
2796         * tree-data-ref.c (build_classic_dist_vector): Return false when
2797         the distance vector is lexicographically negative.
2798
2799 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2800
2801         PR tree-optimization/23511
2802         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2803         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2804
2805 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR tree-optimization/22043
2808         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2809         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2810         If ALLOW_FLEXARR, handle types ending with flexible array member.
2811         Pass false as second argument to recursive count_type_elements calls.
2812         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2813         argument to count_type_elements call.
2814         * tree-sra.c (decide_block_copy): Likewise.
2815         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2816         for a constant-sized object, set cleared as well.  Pass true as
2817         second argument to count_type_elements call.
2818
2819 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2820
2821         PR target/21571
2822         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2823         from legitimate_small_data_p, and make global.  Update use.
2824         Remove forward declaration.
2825         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2826         Declare.
2827         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2828
2829 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2830
2831         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2832         of scratch intermediates.
2833         (eq<mode>_compare): Same.
2834         (neg_eq0<mode>): New.
2835         (neg_eq<mode>): Convert to define_insn_and_split.
2836
2837 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2838
2839         PR target/23070
2840         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2841         stdarg functions, set/clear the fp marker even when no variable
2842         args are passed.
2843         * config/rs6000/sysv4.opt (mprototype): Describe.
2844
2845 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2846
2847         PR rtl-optimization/23478
2848         * regs.h (reg_info): Add throw_calls_crossed.
2849         (REG_N_THROWING_CALLS_CROSSED): Define.
2850         * flow.c (allocate_reg_life_data): Initialize
2851         REG_N_THROWING_CALLS_CROSSED.
2852         (propagate_one_insn, attempt_auto_inc): Update
2853         REG_N_THROWING_CALLS_CROSSED.
2854         * global.c (global_alloc): Don't allocate pseudos across
2855         calls that may throw.
2856
2857 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2858
2859         PR c/18715
2860         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2861         value is inbetween the range if we did not find an exact match.
2862
2863 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
2864
2865         * doc/invoke.texi (Option Summary): Add ms1 options.
2866         * doc/extend.texi: Document interrupt handler attribute for ms1.
2867         * doc/md.texi: Document ms1 constraints.
2868         * config.gcc: Add ms1-*-elf.
2869         * config/ms1/ms1.h: New.
2870         * config/ms1/ms1.c: New.
2871         * config/ms1/ms1.md: New.
2872         * config/ms1/ms1-protos.h: New.
2873         * config/ms1/ABI.txt: New.
2874         * config/ms1/crti.asm: New.
2875         * config/ms1/crtn.asm: New.
2876         * config/ms1/lib2extra-funcs.c: New.
2877         * config/ms1/t-ms1: New.
2878         * config/ms1/ms1.opt: New.
2879
2880 2005-08-22 Ira Rosen <irar@il.ibm.com>
2881
2882         * config/rs6000/altivec.md (xorv4sf3): New.
2883         (negv4sf2, neg<mode>2): Likewise.
2884
2885 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
2886
2887         PR target/23485
2888         * config/ia64/ia64.md (divsi3): Check divide by zero.
2889         (udivsi3): Likewise.
2890         (divdi3): Likewise.
2891         (udivdi3): Likewise.
2892
2893 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
2894
2895         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2896         up to elem_bitsize bits, not max_bitsize.
2897
2898 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2899
2900         PR tree-optimization/23433
2901         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2902         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2903
2904 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2905
2906         PR tree-optimization/23434
2907         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2908         the iteration bound is not an INTEGER_CST.
2909
2910 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
2911
2912         * tree-vect-transform.c (get_initial_def_for_reduction): Set
2913         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2914         NULL if need_epilog_adjust is false.
2915         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2916         Case 3 always peels first itration, not just for PLUS case, and no need
2917         to use scalar_initial_def here. Create an epilog adjustment only if
2918         scalar_initial_def is not NULL.
2919
2920         (vectorizable_reduction): Remove assert.
2921
2922 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2923
2924         PR target/23485
2925         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2926         (__moddi3): Likewise.
2927         (__udivdi3): Likewise.
2928         (__umoddi3): Likewise.
2929         (__divsi3): Likewise.
2930         (__modsi3): Likewise.
2931         (__udivsi3): Likewise.
2932         (__umodsi3): Likewise.
2933
2934 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
2935
2936         * tree-pass.h (TDF_GRAPH): Define.
2937         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2938         * passes.c (finish_optimization_passes): Only call
2939         finish_graph_dump_file if TDF_GRAPH is set.
2940         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2941         NULL.  Set TDF_GRAPH bit.
2942         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2943
2944 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
2945
2946         * arm.h (arm_stack_offsets): Add locals_base field.
2947         * arm.c (arm_get_frame_offsets): Compute it.
2948         (thumb_compute_initial_elimination offset): Make the Thumb frame
2949         pointer point to the base of the local variables.
2950         (thumb_expand_prologue): Update accordingly.
2951         (thumb_expand_epilogue): Likewise.
2952
2953         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
2954         mode of clobbered scratch to DImode.  Handle a case that's known to
2955         need this.
2956
2957 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
2958
2959         * config/rs6000/rs6000.md (gt0<mode>): Delete.
2960         (gt0<mode>_compare): Delete.
2961         (neg_gt0<mode>): Delete.
2962
2963 2005-08-19  Eric Christopher  <echristo@apple.com>
2964
2965         * optabs.h: Change CTI_ to COI_.
2966         * optabs.c: Ditto.
2967
2968 2005-08-19  James E Wilson  <wilson@specifix.com>
2969
2970         * builtins.c (expand_builtin_return_addr): Set
2971         current_function_accesses_prior_frames when count != 0.  Use
2972         frame_pointer_rtx when count == 0.
2973         * function.h (struct function): Add accesses_prior_frames field.
2974         (current_function_accesses_prior_frames): Define.
2975         * reload1.c (init_elim_table): Check
2976         current_function_accesses_prior_frames.
2977         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2978
2979 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2980
2981         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2982         indicator.  Return true if the flowgraph changed during
2983         cleanup.
2984
2985 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2986
2987         PR 23476
2988         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2989         conditional expression before testing its value.
2990
2991 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2992
2993         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2994
2995 2005-08-19  Devang Patel  <dpatel@apple.com>
2996
2997         PR tree-optimization/23048
2998         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2999         third parameter. Check whether latch is dominated by exit
3000         block or not.
3001         (if_convertible_loop_p): Supply exit block itself to
3002         if_convertible_bb_p.
3003
3004 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3005
3006         PR target/23473
3007         * arm.md (arm_load_pic_register): Change argument to the mask of
3008         saved registers.  Call thumb_find_work_register if we need a
3009         scratch register on Thumb.
3010         (arm_expand_prologue): Pass empty register set to
3011         arm_load_pic_register.
3012         (thumb_expand_prologue): Pass live_regs_mask directly to
3013         arm_load_pic_register.
3014         * arm-protos.h (arm_load_pic_register): Update prototype.
3015
3016 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
3017
3018         * sh.c (find_sole_member): New function.
3019         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3020         if the record's alignment is larger than the size of its only member.
3021
3022 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3023
3024         PR target/23436
3025         * arm.c (thumb_legitimize_reload_address): New function.
3026         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3027         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3028
3029 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
3030
3031         * config/crx/crx.c: Implement crx_decompose_address. Reject
3032         symbolic displacements since CRX register relative adressing
3033         mode can't handle unsigned 32-bit values as displacements.
3034         * config/crx/crx.h: Simplify definitions, remove redundant
3035         parenthesis and obsolete macros.
3036         * config/crx/crx.opt: Add new switch for debugging addresses.
3037         * config/crx/crx-protos.h: Add new declarations for above.
3038
3039 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
3040
3041         PR middle-end/20624
3042         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3043         looking past it.
3044
3045 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3046
3047         * collect2.c (dup2): Delete.
3048         * configure.ac: Don't check for dup2.
3049
3050         * config.in, configure: Regenerate.
3051
3052 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
3053
3054         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3055         record with the type of its only member.
3056
3057 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
3058
3059         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3060         define_insn_and_split.
3061         (plus_ltu<mode>_compare): Same.
3062         (gtu<mode>_compare): Same.
3063         (plus_gtu<mode>_compare): Same.
3064
3065 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
3066
3067         PR tree-optimization/22228
3068         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3069         todo_flags_start.
3070         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3071         are recorded in vect_vnames_to_rename for renaming.
3072         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3073         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3074         in vect_vnames_to_rename.
3075         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3076         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3077
3078 2005-08-18  Jan Hubicka  <jh@suse.cz>
3079
3080         PR c++/22034
3081         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3082         info only for local statics, not for member variables.
3083
3084 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3085
3086         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3087
3088 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3089
3090         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3091
3092 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
3093
3094         PR middle-end/16045
3095         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3096
3097 2005-08-17  James E Wilson  <wilson@specifix.com>
3098
3099         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3100         array size check.
3101
3102 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
3103
3104         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3105         (leu<mode>_compare): Same.
3106         (plus_leu<mode>): Same.
3107         (neg_leu<mode>): Same.
3108         (and_neg_leu<mode): Same.
3109         (ltu<mode>_compare): Same.
3110         (plus_ltu<mode>): Same.
3111         (geu<mode>): Same.
3112         (geu<mode>_compare): Same.
3113         (plus_geu<mode>): Same.
3114         (neg_geu<mode>): Same.
3115         (and_neg_geu<mode>): Same.
3116         (plus_gt<mode>): Same.
3117         (gtu<mode>_compare): Same.
3118         (plus_gtu<mode>): Same.
3119
3120 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
3121
3122         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3123         Move call_table_data to end.  Delete spurious .text.
3124         (callt_save_all_interrupt): Fix comment typo.
3125
3126 2005-08-17  James E Wilson  <wilson@specifix.com>
3127             Kevin Winchester  <winchester@amirix.com>
3128
3129         PR target/21684
3130         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3131
3132 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
3133
3134         PR target/23268
3135         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3136         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3137
3138 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
3139
3140         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3141         record with the type of its only member if the modes don't match.
3142
3143         * varasm.c (decode_reg_name): Skip empty additional register names.
3144
3145 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
3146
3147         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3148         lsm_tmp_name_length): New.
3149         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3150         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3151
3152 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3153             Andreas Krebbel  <krebbel1@de.ibm.com>
3154
3155         * config.gcc: Added z9-109 switch.
3156         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3157         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3158         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3159         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3160         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3161         for "z9_109" cpu attribute.
3162         * config/s390/s390.c (z9_109_cost): New processor cost structure.
3163         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3164         (s390_handle_arch_option): Added z9-109 switch.
3165         (override_options): Set respective cost function for z9-109.
3166         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3167         (legitimate_reload_constant_p): Accept extended immediates.
3168         (print_operand): Three new output modifiers added: k, m and o.
3169         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3170         (s390_output_mi_thunk): Use extended immediate when possible.
3171         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3172         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3173         (CONSTRAINT_LEN): Added length of O constraint.
3174         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3175         * config/s390/s390.md ("cpu"): New value z9_109 added.
3176         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3177         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3178         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3179         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3180         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3181         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3182         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3183         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3184         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3185         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3186         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3187         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3188         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3189         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3190         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3191         immediates.
3192         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3193         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3194         insns for TARGET_EXTIMM.
3195
3196 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3197
3198         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3199
3200 2005-08-17  Nick Clifton  <nickc@redhat.com>
3201
3202         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3203         Call default_encode_section_info.
3204
3205 2005-08-17  Steven Bosscher  <stevenb@suse.de>
3206
3207         PR tree-optimization/21574
3208         * tree-ssa-ccp.c (likely_value): If the right hand side is a
3209         constant, return CONSTANT.
3210         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3211         (ccp_fold, visit_assignment): Likewise.
3212         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3213
3214 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3215
3216         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3217         fold_buildN instead of buildN then fold_initializer or fold.
3218         (build_unary_op): Likewise.
3219         (build_binary_op): Likewise.
3220         * fold-const.c (fold_initializer): Remove.
3221         (fold_build1_initializer): New function.
3222         (fold_build2_initializer): New function.
3223         (fold_build3_initializer): New function.
3224         * tree.h (fold_initializer): Remove.
3225         (fold_build1_initializer): New function.
3226         (fold_build2_initializer): New function.
3227         (fold_build3_initializer): New function.
3228
3229 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3230
3231         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3232         (try_move_mult_to_index): Call fold_build2 instead of build2.
3233         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3234         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3235         fold_binary_to_constant.
3236         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3237         fold (build.
3238         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3239         check if A == gcd (A, B).  Remove TYPE argument.
3240         (analyze_offset) Use fold_build2 instead of fold (build.
3241         (create_data_ref): Likewise.
3242         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3243         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3244         then fold.
3245
3246 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
3247
3248         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3249         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3250
3251 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
3252
3253         PR tree-opt/23402
3254         * gimplify.c (zero_sized_type): New function.
3255         (gimplify_modify_expr_rhs): If we have a zero sized type,
3256         replace the statement with an empty statement.
3257
3258 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
3259
3260         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3261         fxsave.
3262
3263 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3264
3265         * doc/tm.texi (Label Output): Correct typo.
3266
3267 2005-08-16  Steven Bosscher  <stevenb@suse.de>
3268
3269         PR target/23376
3270         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3271         force_operand will work later on using have_insn_for.
3272
3273 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3274
3275         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3276
3277 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3278
3279         PR c++/23337
3280         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3281         vector type, don't try to construct it element by element.  Add an
3282         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3283
3284 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3285
3286         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3287
3288 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
3289
3290         * doc/invoke.texi (Precompiled Headers): Document some more options
3291         which are known to be safe.
3292
3293 2005-08-16  James E Wilson  <wilson@specifix.com>
3294
3295         PR tree-optimization/21105
3296         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3297         TREE_OVERFLOW check.
3298
3299 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
3300
3301         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3302         (neg_ltu<mode>): Same.
3303         (gtu<mode>): Same.
3304         (neg_gtu<mode>): Same.
3305
3306 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3307
3308         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3309         (fold_builtin_isdigit): Use fold_buildN.
3310         (build_function_call_expr): Likewise.
3311         * c-typeck.c (c_finish_loop): Likewise.
3312
3313 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
3314             Richard Shann <rshann@superh.com>
3315
3316         PR middle-end/20396:
3317         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3318
3319 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
3320
3321         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3322
3323 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3324
3325         PR target/23355
3326         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3327         arm_compure_save_reg0_reg12_mask to determine when the PIC register
3328         must be saved.
3329
3330 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3331
3332         PR middle-end/23369
3333         * fold-const.c (build_range_check): Disable optimization for function
3334         pointer expressions on targets that require function pointer
3335         canonicalization.
3336
3337 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
3338
3339         * simplify-rtx.c (simplify_const_relational_operation): When
3340         extracting arguments of a COMPARE, recompute the mode as well.
3341
3342 2005-08-15  Ian Lance Taylor  <ian@airs.com>
3343
3344         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3345
3346 2005-08-15  DJ Delorie  <dj@redhat.com>
3347
3348         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3349         the stack.
3350         (movsi_splittable): Allow, but split, moves to the stack.
3351         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3352         stack.
3353
3354 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3355
3356         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3357         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3358         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3359
3360         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3361         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3362         Delete HOST_PTR_PRINTF.
3363
3364         * configure, config.in: Regenerate.
3365
3366 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
3367
3368         * config/rs6000/rs6000.md (QHSI): New mode macro.
3369         (wd): Extend mode attr for QImode and HImode
3370         (dbits): New mode attr.
3371         (zero_extend<mode>di2): Convert to mode macro.
3372
3373 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
3374
3375         PR target/21841
3376         * doc/invoke.texi (-mgnu-ld): Update description.
3377         (-mhp-ld): Ditto.
3378
3379 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3380
3381         PR 23391
3382         * Makefile.in (tree-chrec.o): Depends on real.h.
3383         * tree-chrec.c: Include real.h.
3384         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3385         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3386         * tree-scalar-evolution.c (add_to_evolution_1,
3387         interpret_rhs_modify_expr): Ditto.
3388
3389 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3390
3391         PR 23386
3392         * tree-data-ref.c (estimate_niter_from_size_of_data): When
3393         step is negative compute the estimation from init downwards to zero.
3394
3395 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
3396
3397         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3398
3399 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3400
3401         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3402         constraint.
3403         (legitimate_reload_constant_p): Fix handling of lliXX operands.
3404         Accept double-word constants that can be split.
3405         * config/s390/s390.md ("movti"): Use 'P' constraint.
3406         ("*movdi_31", "*movdf_31"): Likewise.
3407
3408 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
3409
3410         Fix PR tree-optimization/22615
3411
3412         * tree-ssa-structalias.c (solution_set_add): Handle
3413         first_vi_for_offset returning NULL.
3414         (do_da_constraint): Ditto.
3415         (do_sd_constraint): Ditto.
3416         (do_ds_constraint): Ditto
3417         (find_func_aliases): Ditto.
3418         (build_constraint_graph): RHS is allowed be ANYTHING.
3419         (first_vi_for_offset): Return NULL if we couldn't find anything at
3420         the offset.
3421
3422 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3423
3424         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3425         over memory as first operand.
3426
3427 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
3428
3429         PR target/23360
3430         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3431         available for setting it.
3432
3433 2005-08-14  Ira Rosen  <irar@il.ibm.com>
3434
3435         PR tree-optimization/23320
3436         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3437         data-refs' types instead of base object nullness. Add check for
3438         pointer type data-refs before first location comparison. Remove
3439         assert.
3440
3441 2005-08-14  Andreas Schwab  <schwab@suse.de>
3442
3443         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3444
3445 2005-08-13  James E Wilson  <wilson@specifix.com>
3446
3447         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3448         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3449         -fstack-protector-all, --param ssp-buffer-size): Document.
3450         (-Wvariadic-macros): Alphabetize.
3451         (-fsched-stalled-insns-dep): Add missing 'f'.
3452
3453         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3454         macros.
3455
3456 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
3457
3458         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3459         or indirect address operand.
3460         (EXTRA_ADDRESS_CONSTRAINT): New.
3461         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3462
3463 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
3464
3465         PR tree-optimization/22236
3466         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3467         successors and predecessors.
3468         * tree-chrec.c (chrec_convert): Before converting, check that
3469         sequences don't wrap.
3470         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3471         (analyze_array): Extern.
3472         (find_data_references_in_loop): Remove call to
3473         compute_estimated_nb_iterations.
3474         * tree-data-ref.h (analyze_array): Declared.
3475         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3476         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3477         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3478         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3479         condition.
3480         * tree-ssa-loop-ivcanon.c: Fix documentation.
3481         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3482         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3483         (infer_loop_bounds_from_undefined): New.
3484         (estimate_numbers_of_iterations_loop): Use
3485         infer_loop_bounds_from_undefined.
3486         (used_in_pointer_arithmetic_p): New.
3487         (scev_probably_wraps_p): Pass an extra parameter.  Call
3488         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
3489         (convert_step): Fix documentation.
3490         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3491         Use initial_condition_in_loop_num and evolution_part_in_loop_num
3492         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
3493         scev_probably_wraps_p.
3494
3495 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
3496
3497         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3498         (s390_register_info): Ignore clobbered_regs information for fixed
3499         registers, and only fixed registers.
3500         (s390_init_frame_layout): Remove redundant call.
3501
3502 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
3503
3504         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3505         description of -Wold-style-casts.
3506
3507 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3508             Jakub Jelinek  <jakub@redhat.com>
3509
3510         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3511         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3512         * config/s390/s390.c (print_operand): New output modifier 'G' added.
3513         (get_thread_pointer): Renamed to s390_get_thread_pointer.
3514         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3515         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3516         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3517         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3518         ("stack_protect_set", "stack_protect_test"): New expanders.
3519         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3520         "stack_protect_testdi"): New insn definitions.
3521
3522 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3523
3524         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3525
3526 2005-08-12  Paul Brook  <paul@codesourcery.com>
3527
3528         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3529
3530 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3531
3532         * config/s390/predicates.md (setmem_operand): New predicate.
3533         (shift_count_operand): Accept ANDs with special constants as
3534         operand.
3535         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3536         with special constants.
3537         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3538         shift_count_operand with setmem_operand.
3539
3540 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3541
3542         * config/s390/s390.c (s390_extract_part, s390_single_part):
3543         Type cast added.
3544         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3545         (s390_output_mi_thunk): Don't use lg on 31 bit.
3546         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3547         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3548
3549 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3550
3551         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3552         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3553         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3554         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3555         with one of the new macros.
3556
3557 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3558
3559         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3560         Don't set save_return_addr_p.
3561         (s390_register_info): Make clobbered_regs not depending on
3562         save_return_addr_p.
3563
3564 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3565
3566         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3567         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3568
3569 2005-08-11  James E. Wilson  <wilson@specifix.com>
3570
3571         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3572
3573 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
3574
3575         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3576         locations gathered by var-tracking in single entry loc_list
3577         over loc_descriptor_from_tree.
3578
3579         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3580         pass it down to loc_descriptor.
3581         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3582         (containing_function_has_frame_base): Move earlier in the file.
3583         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3584         instead of always assuming fbreg can't be used.
3585
3586 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
3587
3588         * config/rs6000/altivec.md: Change constraint "m" to "Z".
3589         * config/rs6000/predicates.md (indexed_or_indirect_operand):
3590         Accept address wrapped in AND for Altivec.
3591         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3592         Strip AND wrapping offset address for Altivec.
3593
3594 2005-08-11  Richard Henderson  <rth@redhat.com>
3595
3596         PR middle-end/23312
3597         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3598         before using TYPE_IS_SIZETYPE.
3599
3600 2005-08-11  Richard Henderson  <rth@redhat.com>
3601
3602         PR target/22225
3603         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3604         insn types not present on ev4.
3605         (alphaev5_insn_pipe): Similarly.
3606
3607 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3608
3609         PR target/23250
3610         * arm.c (arm_override_options): If the user has selected callee-super-
3611         interworking, then enable normal interworking.
3612
3613 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3614
3615         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3616         redefinition.
3617
3618 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
3619
3620         * doc/rtl.texi: Fix two typos.
3621
3622 2005-08-11  Richard Guenther  <rguenther@suse.de>
3623
3624         PR target/23289
3625         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3626         cases where we call to/from functions returning void.
3627
3628 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3629
3630         PR c++/23225
3631         * tree.c (build_pointer_type_for_mode): Robustify.
3632
3633 2005-08-10  James E Wilson  <wilson@specifix.com>
3634
3635         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3636         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3637
3638         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3639         "cum->".
3640
3641 2005-08-10  Eric Christopher  <echristo@apple.com>
3642
3643         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3644         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3645         V2DFmode.
3646
3647 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3648
3649         PR target/21887
3650         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3651         for the high part when generating dynamic-no-pic code.
3652
3653 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3654
3655         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3656         (x86_64-*-linux*): Likewise.
3657
3658         * config/i386/crtfastmath.c: New file.
3659         * config/i386/t-crtfm: Likewise.
3660
3661         * config/i386/linux.h (ENDFILE_SPEC): New.
3662         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3663
3664         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3665         crtfastmath.o.
3666
3667 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3668
3669         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3670         (vec_shl, vec_shr): Document new operations.
3671         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3672
3673 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3674
3675         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3676         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3677         change predicate to indexed_or_indirect_address.
3678
3679 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3680
3681         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3682         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3683         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3684         and __aeabi_uwrite8.
3685         * config/arm/unaligned-funcs.c: New file.
3686         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3687
3688 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3689
3690         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3691         Add dump.
3692         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3693         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3694         Add dump.
3695         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3696         * final.c (pass_shorten_branches): Add dump.
3697         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3698         (pass_life): Rename dump.
3699         (rest_of_handle_flow2): Remove initial verify_flow_info.
3700         * function.c (pass_instantiate_virtual_regs): Add dump.
3701         * integrate.c (pass_initial_value_sets): Add dump.
3702         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3703         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3704         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3705         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3706         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3707         gate_rtl_unrool_and_peel_loops): New.
3708         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3709         rtl_doloop): Do not look at flags.
3710         * mode-switching.c (pass_mode_switching): Add dump.
3711         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3712         pass_split_before_regstack): Add dump.
3713         * regmove.c (pass_stack_adjustments): Add dump.
3714         * tree-optimize.c (pass_fixup_cfg): Add dump.
3715
3716 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3717
3718         PR 23309
3719         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3720         deciding which instruction sequence to use.
3721
3722 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3723
3724         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3725         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3726
3727 2005-08-09  Richard Guenther  <rguenther@suse.de>
3728
3729         * c-common.c (builtin_function_2): Remove.
3730         (def_builtin_1): New function.
3731         (c_common_nodes_and_builtins): Use def_builtin_1 to
3732         build builtin functions.
3733
3734 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3735
3736         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3737         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3738         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3739         Visual DSP.
3740
3741 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3742
3743         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3744         fold_binary instead of fold_build2 since we don't care about the
3745         resulting tree.
3746         (loop_niter_by_eval): Likewise.
3747         (compare_trees): Likewise.
3748         (proved_non_wrapping_p): Likewise.
3749
3750 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3751
3752         PR c/23161
3753         PR c/23165
3754         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3755         if the if is really empty.
3756
3757 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3758
3759         PR tree-optimization/23234
3760         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3761         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3762         argument of the new enum.
3763         (execute_cse_reciprocals): Add reciprocals for function arguments
3764         on the unique successor edge of the entry block.  Update other calls
3765         to execute_cse_reciprocals_1.
3766
3767 2005-08-08  Richard Henderson  <rth@redhat.com>
3768
3769         PR 22439
3770         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3771
3772 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3773
3774         * expr.c (write_complex_part): Return after handling MEM.
3775
3776 2005-08-08  Josh Conner  <jconner@apple.com>
3777
3778         PR rtl-optimization/23241
3779         * combine.c (simplify_comparison): Fix error in determining
3780         whether to lift a subreg from comparison.
3781
3782 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3783
3784         PR target/18506
3785         * config/rs6000/altivec.md (vec_init<mode>): New.
3786         (vec_set<mode>): New.
3787         (vec_extract<mode>): New.
3788         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3789         (rs6000_expand_vector_set): New.
3790         (rs6000_expand_vector_extract): New.
3791         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3792         for Altivec modes before reload.
3793         (altivec_expand_vec_init_builtin): New.
3794         (get_element_number): New.
3795         (altivec_expand_vec_set_builtin): New.
3796         (altivec_expand_vec_ext_builtin): New.
3797         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3798         builtins.
3799         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3800         builtins.
3801         * config/rs6000/rs6000.h (rs6000_builtins): Add
3802         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3803         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3804         * config/rs6000/rs6000-protos.h: Declare new functions.
3805
3806 2005-08-08  Jan Hubicka  <jh@suse.cz>
3807
3808         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3809         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3810         * i386.md (movdi*): Use pic_32bit_operand.
3811         * predicates.md (pic_32bit_operand): New.
3812
3813 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3814
3815         PR c++/21166
3816         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3817
3818 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3819
3820         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3821         (test_for_singularity): Use fold_build2.
3822
3823 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3824
3825         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3826
3827 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3828
3829         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3830         (COMMON_ASM_OP) Define.
3831         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3832         (ix86_encode_section_info): Likewise.
3833         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3834         SUBTARGET_ENCODE_SECTION_INFO.
3835
3836 2005-08-06  Richard Henderson  <rth@redhat.com>
3837
3838         PR 21894
3839         * tree-nested.c (convert_local_reference): Save and restore val_only
3840         around component_ref and friends.  Clear walk_subtrees by default.
3841
3842 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3843
3844         PR 21366
3845         * gcc.c (process_command): Check the argument to -b has a dash.
3846         * doc/invoke.texi: Update -b and -V docs.
3847
3848 2005-08-06  James E Wilson  <wilson@specifix.com>
3849
3850         * config/mips/cross64.h, config/mips/t-cross64: Delete.
3851
3852 2005-08-06  Michael Matz  <matz@suse.de>
3853
3854         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3855         member only if only one insn is associated with the value.
3856
3857 2005-08-06  Nick Clifton  <nickc@redhat.com>
3858
3859         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3860         New define.
3861         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3862         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3863         Check symbol flags instead of symbol name mangling.
3864         (xstormy16_asm_output_aligned_common): Likewise.  Also
3865         simplify code since the bss100_section cass is the only case
3866         where the below100 code will be triggered.
3867         (xstormy16_encode_section_info): Encode below100 attribute
3868         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3869         the name.
3870         (xstormy16_strip_name_encoding): Delete - this function is no
3871         longer needed.
3872         (TARGET_STRIP_NAME_ENCODING): Undefine.
3873         * config/stormy16/stormy16-protos.h: Delete prototype for
3874         xstormy16_strip_name_encoding.
3875
3876 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
3877
3878         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3879         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3880         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3881         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3882         config/alpha/predicates.md, config/arc/arc.h,
3883         config/arm/arm.h, config/arm/ieee754-df.S,
3884         config/arm/ieee754-sf.S, config/bfin/bfin.c,
3885         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3886         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3887         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3888         config/m68hc11/m68hc11.h, config/mips/mips.c,
3889         config/mips/mips.h, config/mips/openbsd.h,
3890         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3891         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3892         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3893         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3894         config/sparc/linux.h, config/sparc/linux64.h,
3895         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3896         doc/extend.texi, doc/gcov.texi, doc/install.texi,
3897         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3898         typos.  Follow spelling conventions.
3899
3900 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
3901
3902         PR c/23113
3903         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3904         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3905         specially.  Check for side effects only for COND_EXPR.
3906         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3907         return with TREE_NO_WARNING.
3908
3909 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
3910
3911         PR rtl-optimization/23233
3912         * loop.c (combine_movables): Require the modes to be the same.
3913         (move_movables): Remove handling of cases where the replacement
3914         had a different mode to the original.
3915
3916 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
3917
3918         PR tree-optimization/23128
3919         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3920         subtraction wrap, and set TREE_OVERFLOW if they do.
3921
3922 2005-08-05  Richard Henderson  <rth@redhat.com>
3923
3924         PR 21728
3925         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3926         FORCED_LABEL labels.
3927
3928 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
3929
3930         PR middle-end/23135
3931         * reload.c (find_reloads_subreg_address): Pass down TYPE
3932         unchanged.  Change all callers except find_reloads_toplev.
3933
3934 2005-08-05  Michael Matz  <matz@suse.de>
3935
3936         * genattrtab.c (current_alternative_string): Remove.
3937         (SIMPLIFY_ALTERNATIVE): Ditto.
3938         (attr_alt_bit_p): Ditto.
3939         (alternative_name): Make const char *.
3940         (evaluate_eq_attr): Remove use of above things.
3941         (simplify_test_exp): Ditto.
3942         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3943         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3944
3945 2005-08-04  James E Wilson  <wilson@specifix.com>
3946
3947         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3948         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3949         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3950         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3951         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3952
3953 2005-08-04  Richard Henderson  <rth@redhat.com>
3954
3955         PR 21529
3956         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3957         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3958         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
3959         if we'd have to instantiate too many members.
3960
3961 2005-08-04  Richard Henderson  <rth@redhat.com>
3962
3963         PR 21291
3964         * tree-outof-ssa.c (coalesce_asm_operands): New.
3965         (coalesce_ssa_name): Use it.  Split out ...
3966         (coalesce_phi_operands, coalesce_result_decls): ... these.
3967
3968 2005-08-04  Paul Brook  <paul@codesourcery.com>
3969
3970         * read-rtl.c (read_quoted_string): Break if EOF.
3971
3972 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
3973
3974         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3975         (fold_build2): Likewise.
3976         (fold_build3): Likewise.
3977         (fold_build1_stat): New function prototype.
3978         (fold_build2_stat): Likewise.
3979         (fold_build3_stat): Likewise.
3980         * fold-const.c (fold_build1): Rename to ..
3981         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3982         through to build1_stat.
3983         (fold_build2): Rename to ..
3984         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3985         through to build2_stat.
3986         (fold_build3): Rename to ..
3987         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3988         through to build3_stat.
3989
3990 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
3991             Ian Lance Taylor  <ian@airs.com>
3992
3993         * function.c (assign_stack_local_1): Do not correct stack slot
3994         address if allocation size is smaller than mode size.
3995
3996 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
3997
3998         PR 22037
3999         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4000         (tree_merge_blocks): Propagate anything allowed by
4001         may_propagate_copy.
4002         Clarify documentation.
4003         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4004         SSA form, schedule an update if necessary.
4005
4006 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
4007
4008         * doc/install.texi (Binaries): Remove broken link to
4009         Sinix/Reliant Unix binaries.
4010
4011 2005-08-03  Richard Henderson  <rth@redhat.com>
4012
4013         PR 23221
4014         * function.c (stack_protect_epilogue): Export.
4015         * tree.h (stack_protect_epilogue): Declare.
4016         * calls.c (expand_call): Call it.
4017
4018 2005-08-03  Eric Christopher  <echristo@apple.com>
4019
4020         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4021         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4022         spec.
4023
4024 2005-08-04  Jan Hubicka  <jh@suse.cz>
4025
4026         * profile.c (branch_prob): Split edges with goto locus on them
4027         to get proper line counts.
4028         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4029
4030 2005-08-03  Paul Brook  <paul@codesourcery.com>
4031
4032         * function.c (assign_parms): Round current_function_args_size
4033         to PARM_BOUNDARY, not STACK_BOUNDARY.
4034
4035 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
4036
4037         * config/i386/i386.c (x86_elf_aligned_common)
4038         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4039
4040 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
4041
4042         PR tree-optimization/23157
4043         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4044         before emitting them.
4045
4046 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4047
4048         PR tree-optimization/19899
4049         * Makefile.in (tree-scalar-evolution.o): Add real.h.
4050         * tree-scalar-evolution.c: Include real.h.
4051         (add_to_evolution): Build constant -1 of correct type.
4052
4053 2005-08-03  Jan Hubicka  <jh@suse.cz>
4054
4055         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4056         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4057         profile updating for complette unrolling.
4058         * loop-unroll.c (peel_loop_completely): Use it.
4059         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4060         (tree_unroll_loops_completely): Disable code growing unrolling of cold
4061         loops.
4062
4063 2005-08-03  Paul Brook  <paul@codesourcery.com>
4064
4065         * combine.c (can_change_dest_mode): New function.
4066         (try_combine, simplify_set): Use it.
4067
4068 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
4069
4070         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4071         TFmode to BLKmode.
4072
4073 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
4074
4075         * doc/install.texi (Specific): Adjust link to openavr.org.
4076         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4077         (Binaries): Adjust HP-UX Porting Center link.
4078         (Binaries): Adjust Free Software Foundation ordering link.
4079
4080 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
4081
4082         * convert.c (convert_to_integer): Use fold_build1 instead of
4083         build1 when converting an integer to an integer.
4084
4085 2005-08-02  Richard Henderson  <rth@redhat.com>
4086
4087         * combine.c (combine_instructions): Don't use reg_equal/equiv
4088         results if the mode doesn't match.
4089
4090 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
4091
4092         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4093         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4094
4095 2005-08-02  Richard Henderson  <rth@redhat.com>
4096
4097         PR 23196
4098         * explow.c (memory_address): Remove special-case for
4099         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4100
4101 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
4102
4103         PR 23164
4104         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4105         number of calls to cleanup_tree_cfg_1.
4106
4107 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
4108
4109         * doc/invoke.texi: document file extensions .F90 and .F95
4110
4111 2005-08-02  Richard Guenther  <rguenther@suse.de>
4112
4113         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4114         positive if its first argument is positive.
4115
4116 2005-08-02  Richard Guenther  <rguenther@suse.de>
4117
4118         PR tree-optimization/23177
4119         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4120         on TMR_TAG.
4121
4122 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
4123
4124         PR tree-optimization/23129
4125         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4126         varying for divisions with anti-ranges.
4127
4128 2005-08-02  Jan Hubicka  <jh@suse.cz>
4129
4130         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4131         * tree-ssa-threadupdate.c (thread_block): Add it here.
4132
4133 2005-08-01  James E Wilson  <wilson@specifix.com>
4134
4135         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4136         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4137         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4138         New.
4139         * config/mips/predicates.md (const_call_insn_operand): Add check for
4140         SYMBOL_REF_LONG_CALL_P.
4141         * doc/extend.texi (long_call): Document the new attribute.
4142
4143 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4144             Richard Henderson  <rth@redhat.com>
4145
4146         * Makefile.in (RTL_BASE_H): Add real.h.
4147         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4148         instead of memcpy.
4149         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4150         directly.
4151         * rtl.c (rtl_check_failed_code_mode): New.
4152         * rtl.h (struct rtx_def): Add u.rv.
4153         (XCMWINT, XCNMPRV): New.
4154         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4155         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4156
4157 2005-08-01  Richard Henderson  <rth@redhat.com>
4158
4159         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4160         with auto-inc codes.
4161
4162         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4163
4164 2005-08-01  Jan Hubicka  <jh@suse.cz>
4165
4166         * i386-protos.h (asm_preferred_eh_data_format): Declare.
4167         * i386.c: Include dwarf2.h
4168         (asm_preferred_eh_data_format): New.
4169         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4170
4171 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4172
4173         * config/host-linux.c (linux_gt_pch_get_address): Add new name
4174         randomize_va_space for virtual address randomization control.
4175
4176 2005-08-01  Steven Bosscher  <stevenb@suse.de>
4177
4178         * common.opt (flag_ipa_cp): Put in right place to maintain
4179         alphabetic sort.
4180
4181 2005-08-01  Jan Hubicka  <jh@suse.cz>
4182
4183         * profile.c (compute_value_histograms): Fix thinko.
4184         * value-prof.c: Include toplev.h
4185         (check_counter): New function.
4186         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4187         tree_mod_subtract_transform): Add sanity check.
4188
4189 2005-08-01  Richard Guenther  <rguenther@suse.de>
4190
4191         PR tree-optimization/23133
4192         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4193         current functions parameter decls to find defs to cse
4194         reciprocals of.
4195
4196 2005-08-01  Richard Guenther  <rguenther@suse.de>
4197
4198         PR tree-optimization/23109
4199         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4200         If trapping math is in effect, use post-dominator information
4201         to check if we'd in any case reach a trapping point before
4202         doing the reciprocal insertion.
4203         (execute_cse_reciprocals): Compute post-dominators, if necessary.
4204         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4205         expressions are invariant only if trapping math is not in effect.
4206
4207 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4208
4209         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4210         cgraph_function_versioning): New declarations.
4211         * cgraphunit.c: Add include to ipa-prop.h.
4212         (update_call_expr, cgraph_copy_node_for_versioning,
4213         cgraph_function_versioning): New functions.
4214         * integrate.c (copy_decl_for_inlining): Remove.
4215         * ipa-prop.h (ipa_replace_map): New struct.
4216         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4217         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4218         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4219         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4220         ipcp_iterate_stage, ipcp_method_scale_print,
4221         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4222         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4223         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4224         ipcp_update_bb_counts, ipcp_update_profiling,
4225         ipcp_update_edges_counts): New functions.
4226         (ipcp_method_cval_init): Remove restriction regarding local methods.
4227         (ipcp_init_stage): Add ipcp_method_compute_scale.
4228         (ipcp_insert_stage): Add versioning.
4229         (ipcp_structures_print): Add ipcp_method_scale_print.
4230         (ipcp_driver): Dump profiling info.
4231         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4232         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4233         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4234         (struct inline_data): Add versioning_p, ipa_info, new fields.
4235         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4236         declare_return_variable): Replace calls to copy_decl_for_inlining with
4237         copy_decl_for_dup.
4238         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4239         versioning support.
4240         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4241         Add argument VERSIONING.
4242         (copy_arguments_for_versioning, copy_static_chain,
4243         function_versionable_p, tree_versionable_function_p,
4244         tree_function_versioning, replace_ref_tree): New functions.
4245         * tree-inline.h: Include varray.h.
4246         (tree_versionable_function_p,  tree_function_versioning,
4247         tree copy_decl_for_dup): New declarations.
4248
4249 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4250
4251         * ipa-cp.c: New file. Contains IPCP specific functionality.
4252         * ipa-prop.h: New file. Contains structures/definitions that can be
4253         used by several interprocedural data flow optimizations (and also IPCP).
4254         * ipa-prop.c: New file.
4255         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4256         * common.opt: Add ipa-cp flag.
4257         * timevar.def: Add IPCP optimization.
4258         * tree-optimize.c (init_tree_optimization_passes): Schedule
4259         pass_ipa_cp.
4260         * tree-pass.h (pass_ipa_cp): Declare.
4261
4262 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
4263
4264         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4265         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4266         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4267         config/i386/i386.c, config/mips/mips.h,
4268         config/rs6000/rs6000.h, config/sh/sh.c,
4269         config/stormy16/stormy16.c: Fix comment typos.
4270
4271 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
4272
4273         PR c/22311
4274         * c-typeck.c (build_binary_op): Use common_type wrapper on
4275         shortened types.
4276         (common_type): Update comment.
4277
4278 2005-07-31  Steven Bosscher  <stevenb@suse.de>
4279
4280         PR target/23095
4281         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4282         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4283         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4284
4285 2005-07-31  Jan Hubicka  <jh@suse.cz>
4286
4287         * pretty-print.h (pp_widest_integer): New macro.
4288         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4289         counts.
4290
4291 2005-07-31  Jan Hubicka  <jh@suse.cz>
4292
4293         * output.h (enum section_category): Export from varasm.c
4294         (categorize_decl_for_section): Likewise.
4295         * varasm.c (enum section_category): Kill.
4296         (categorize_decl_for_section): Make global.
4297         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4298         Declare.
4299         * i386.c (ix86_section_threshold): New static variable.
4300         (ix86_in_large_data_p, ix86_encode_section_info,
4301         x86_64_elf_unique_section,
4302         x86_64_elf_select_section): New functions.
4303         (TARGET_ENCODE_SECTION_INFO): Define
4304         (override_options): Enable medium model for PIC.
4305         (ix86_expand_prologue): Expand gen_set_got_rex64.
4306         (legitimate_constant_p): Handle new UNSPECs.
4307         (legitimate_pic_address_disp_p): Likewise.
4308         (legitimize_pic_address): Lower MEDIUM model addressing.
4309         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4310         (enum cmodel): Add MEDIUM_PIC.
4311         (SYMBOL_REF_FAR_ADDR_P): New macro.
4312         (SYMBOL_FLAG_FAR_ADDR): New flag.
4313         * i386.md (movdi): Support medium model.
4314         (set_got_rex64): New pattern.
4315         * i386.opt (mlarge-data-threshold): New flag.
4316         * predicates.md (zext_operand/sext_operand): Deal with medium model.
4317         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4318         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4319         TARGET_ASM_UNIQUE_SECTION): New.
4320
4321         * invoke.texi (-mlarge_data_threshold): Document
4322
4323 2005-07-31  Jan Hubicka  <jh@suse.cz>
4324
4325         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4326         (coalesce_vars): Likewise.
4327         * tree-ssa-live.c (coalesce_cost): New.
4328         (build_tree_conflict_graph): Use coalesce_cost.
4329         * tree-ssa-live.h (coalesce_cost): Declare.
4330
4331 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4332
4333         * arm.md (all peepholes for post-increment operations): Delete.
4334         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4335         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4336         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4337         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4338         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4339
4340 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
4341
4342         * fold-const.c (tree_expr_nonnegative_p): Always return true for
4343         non-integral types.
4344
4345 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
4346
4347         PR target/22582
4348         * doc/invoke.texi: Document -rdynamic.
4349
4350 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
4351
4352         PR c/23143
4353         * c-parser.c (c_parser_parms_list_declarator): Call
4354         mark_forward_parm_decls.
4355         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4356         decls with visibility structure.
4357
4358 2005-07-30  Paul Brook  <paul@codesourcery.com>
4359
4360         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4361
4362 2005-07-30  Paul Brook  <paul@codesourcery.com>
4363
4364         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4365         prototype.
4366         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4367         value for mode.
4368         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4369
4370 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4371
4372         PR c/529
4373         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4374         nested function declarators.
4375         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4376         (grokparms): Call warn_if_shadowing for parameters used within the
4377         parameter list.
4378         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4379         not used within the parameter list.
4380         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4381
4382 2005-07-30  Jan Hubicka  <jh@suse.cz>
4383
4384         * expr.c (expand_expr_real_1): Do not load mem targets into register.
4385         * i386.c (ix86_fixup_binary_operands): Likewise.
4386         (ix86_expand_unary_operator): Likewise.
4387         (ix86_expand_fp_absneg_operator): Likewise.
4388         * optabs.c (expand_vec_cond_expr): Validate dest.
4389
4390 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4391
4392         PR c/21720
4393         * real.c (real_from_string): Also set last bit if there is a
4394         nonzero hex digit beyond GCC's internal precision after ".".
4395
4396 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
4397
4398         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4399         define_constants.  Change duplicate values to unassigned numbers.
4400         Change UNSPEC_SUBS to UNSPEC_VSUBS.
4401         (*altivec_vspltsf): New.
4402         (altivec_vperm_v4sf): Delete.
4403         (altivec_vperm_<mode>): Use mode macro V.
4404         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4405         (altivec_predicate_v4sf): Delete.
4406         (altivec_predicate_<mode>): Use mode macro V.
4407         (*altivec_lvesfx): New.
4408         (*altivec_stvesfx): New.
4409         (vec_realign_load_v4sf): Delete.
4410         (vec_realign_load_<mode>): Use mode macro V.
4411         * config/rs6000/rs6000.c (generate_set_vrsave): Use
4412         UNSPECV_SET_VRSAVE.
4413
4414 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
4415
4416         PR bootstrap/23131
4417         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4418         string.
4419         * configure: Regenerated.
4420
4421 2005-07-29  Paul Brook  <paul@codesourcery.com>
4422
4423         * doc/install.texi: Add link to GFortran binaries wiki page.
4424
4425 2005-07-29  David Ung  <davidu@mips.com>
4426
4427         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4428         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4429         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4430         * config/mips/mips.md (cpu): Add 5kf name.
4431         (includes): Includes 5k.md.
4432         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4433         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4434         -march flag.
4435
4436 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4437
4438         PR 22550
4439         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4440         (cleanup_tree_cfg): ... here.
4441         Call cleanup_tree_cfg_1 until there are no more cleanups to
4442         do.
4443
4444 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
4445
4446         * tree-vrp.c (compare_range_with_value): Return true or false
4447         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4448         EQ_EXPR respectively.
4449
4450 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
4451
4452         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4453         Fix comment typos.
4454
4455 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4456
4457         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4458         (tree_ssa_dominator_optimize): Increment it.
4459         (dump_dominator_optimization_stats): Print it.
4460
4461 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
4462             Steven Bosscher  <stevenb@suse.de>
4463
4464         PR rtl-optimization/23117
4465         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4466         when head == tail.  Tidy comment.
4467
4468 2005-07-28  Richard Henderson  <rth@redhat.com>
4469
4470         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4471         * cselib.c (rtx_equal_for_cselib_p): Likewise.
4472         * jump.c (rtx_renumbered_equal_p): Likewise.
4473         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4474         CONST_INT and CONST_DOUBLE.
4475         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4476         * reload.c (operands_match_p): Special case CONST_INT and
4477         CONST_DOUBLE; check mode earlier.
4478
4479 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4480
4481         PR c/22240
4482         * c-typeck.c (convert_for_assignment): Do not check
4483         DECL_IN_SYSTEM_HEADER on NULL fundecl.
4484
4485 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4486
4487         PR c/22192
4488         * c-typeck.c (composite_type): Prefer constant size arrays to
4489         VLAs.
4490
4491 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4492
4493         PR c/21720
4494         * real.c (real_from_string): Set last bit if there is a nonzero
4495         hex digit beyond GCC's internal precision.
4496
4497 2005-07-28  Richard Henderson  <rth@redhat.com>
4498
4499         PR rtl-opt/22619
4500         * cfgcleanup.c (try_forward_edges): Watch out for end of
4501         insn chain.
4502
4503 2005-07-28  James E Wilson  <wilson@specifixinc.com>
4504
4505         PR c/23106
4506         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4507
4508 2005-07-28  Jan Hubicka  <jh@suse.cz>
4509
4510         * Makefile.in (rtl-profile.o): Kill all traces of it.
4511         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4512         * coverage.h (rtl_coverage_counter_ref): Kill.
4513         * opts.c (flag_speculative_prefetching_set): Kill.
4514         (flag_loop_optimize_set): New.
4515         (common_handle_option): Disable loop optimizer when profiling;
4516         do not handle speculative prefetching.
4517         * passes.c (init_optimization_passes): Replace pass_profiling combo
4518         by branch_prob pass.
4519         * profile.c (compute_value_histograms): Update for simplified value
4520         profiles.
4521         (rtl_register_profile_hooks): Kill.
4522         (pass_profiling): Kill.
4523         (rest_of_handle_branch_prob): Do not profile.
4524         * toplev.c (process_options): Remove speculative prefetching.
4525         * toplev.h (flag_tree_based_profiling): Kill.
4526         * tree-profile.c (prepare_instrumented_value,
4527         tree_gen_interval_profiler, tree_gen_pow2_profiler,
4528         tree_gen_one_value_profiler, do_tree_profiling): Update for
4529         simplified datastructures.
4530         * value-prof.c: Add comment that speculative prefetching was dropped;
4531         update rest of file for simplified datastructures.
4532         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4533         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4534         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4535         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4536         rtl_mod_subtract, gen_speculative_prefetch,
4537         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4538         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4539         (gate_handle_value_profile_transformations,
4540         rest_of_handle_value_profile_transformations,
4541         pass_value_profile_transformations): Kill.
4542         * value-prof.h (histogram_value_t): Remove IL based unions.
4543         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4544         rtl_profile_hooks): Remove hooks.
4545
4546         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4547
4548         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4549         (cgraph_clone_node): Likewise.
4550         * cgraph.h (cgraph_clone_edge): Update prototype.
4551         (cgraph_clone_node): Likewise.
4552         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4553         cgraph_clone_node.
4554         (lookup_recursive_calls): Consider profile.
4555         (cgraph_decide_recursive_inlining): Fix updating; use new
4556         probability argument; use profile.
4557         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4558         * tree-inline.c (copy_bb): Update clal of clone_edge.
4559         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4560
4561         * invoke.texi (min-inline-recursive-probability): Document.
4562
4563 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
4564
4565         * doc/install.texi (Configuration): Update Valgrind homepage.
4566
4567 2005-07-28  Richard Henderson  <rth@redhat.com>
4568
4569         PR middle-end/21362
4570         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4571         labels we want to delete.
4572         (cfg_layout_merge_blocks): Likewise.
4573
4574 2005-07-28  Richard Henderson  <rth@redhat.com>
4575
4576         PR target/17692
4577         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4578         when expanding to nothing.
4579
4580 2005-07-28  Josh Conner  <jconner@apple.com>
4581
4582         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4583         (cgraph_decide_inlining_of_small_functions): Likewise.
4584
4585 2005-07-28  Josh Conner  <jconner@apple.com>
4586
4587         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
4588         direction of badness if negative.
4589         (cgraph_default_inline_p): Add reason to parameters, and assign it
4590         a value.
4591         (cgraph_decide_inlining_of_small_functions): New parameter in call
4592         to cgraph_default_inline_p.
4593         (cgraph_decide_inlining_incrementally): Likewise.
4594         * cgraphunit.c (decide_is_function_needed): Likewise.
4595         * cgraph.h (cgraph_default_inline_p): Likewise.
4596
4597 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4598
4599         * builtins.c: Fix comment typo(s).
4600         * genautomata.c: Likewise.
4601         * gimplify.c: Likewise.
4602         * tree-dfa.c: Likewise.
4603         * tree-flow-inline.h: Likewise.
4604         * tree-into-ssa.c: Likewise.
4605         * tree-ssa-alias.c: Likewise.
4606         * tree-ssa-ccp.c: Likewise.
4607         * tree-ssa-copy.c: Likewise.
4608         * tree-ssa-dce.c: Likewise.
4609         * tree-ssa-dom.c: Likewise.
4610         * tree-ssa-operands.c: Likewise.
4611         * tree-tailcall.c: Likewise.
4612         * tree-vectorizer.c: Likewise.
4613         * tree-vrp.c: Likewise.
4614         * tree.c: Likewise.
4615
4616 2005-07-28  Jeff Law  <law@redhat.com>
4617
4618         * tree-vrp.c (test_for_singularity): Extracted from  ...
4619         (simplify_cond_using_ranges): Attempt to simplify a relational
4620         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4621
4622 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4623
4624         PR tree-optimization/22506
4625         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4626         phis whose argument is constant.
4627
4628 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4629
4630         PR rtl-optimization/18992
4631         Back out this patch:
4632           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4633           PR optimization/12142
4634           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4635           uses of the register in the SET_SRC.  Remove unnecessary argument.
4636
4637         Replace it with this:
4638         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4639         if flag_non_call_exceptions is set and the insn may trap, pass
4640         pc_rtx as dest for recursion.
4641         In SET_SRC part of SET case, if dest is already set, pass it down
4642         unchanged.
4643
4644 2005-07-28  Jan Hubicka  <jh@suse.cz>
4645
4646         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4647         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4648         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4649         roundoff errors.
4650         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4651         profile when available.
4652
4653 2005-07-28  Jan Beulich <jbeulich@novell.com>
4654
4655         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4656         (ia64_print_operand): Describe and handle 'X'.
4657         (ia64_register_move_cost): Also handle FP_REGS.
4658         (ia64_preferred_reload_class): Likewise.
4659         (ia64_secondary_reload_class): Likewise.
4660         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4661         it. Also check for ITANIUM_CLASS_FLDP.
4662         * config/ia64/ia64.h (FP_REGNO_P): New.
4663         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4664         (reg_class): Add FP_REGS.
4665         (REG_CLASS_NAMES): Adjust for it.
4666         (REG_CLASS_CONTENTS): Likewise.
4667         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4668         (REG_CLASS_FROM_LETTER): Handle 'x'.
4669         (CLASS_MAX_NREGS): Handle FP_REGS.
4670         (MEMORY_MOVE_COST): Likewise.
4671         * config/ia64/ia64.md (itanium_class): Add fldp.
4672         (type): Handle fldp.
4673         (movti_internal): More allowable operand combinations. Use ldfp8 when
4674         splitting unnecessary. Remove predicable attribute. Adjust
4675         itanium_class attribute.
4676         (smuldi3_highpart): Remove outdated comment.
4677         (mulditi3, umulditi3, rotlti3): New expanders.
4678         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4679         (absti2): Disabled new insn for future reference.
4680         Respective new splitters.
4681         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4682         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4683         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4684
4685 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4686
4687         PR rtl-optimization/23047
4688         * simplify-rtx.c (simplify_const_relational_operation): Respect
4689         flag_wrapv for comparisons with ABS.
4690
4691 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4692
4693         PR tree-optimization/22493
4694         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4695         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4696
4697 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4698
4699         * config/frv/frv.opt (moptimize-membar): New.
4700
4701         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4702
4703         * config/frv/frv.h: Remove machine_function definition.
4704
4705         * config/frv/frv.c (struct frv_io): New.
4706         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4707         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4708         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4709         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4710         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4711         (frv_reorg): Call frv_optimize_membar when appropriate.
4712         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4713         (frv_expand_builtin): Adjust calls accordingly.
4714         (frv_io_address_cookie): New function.
4715         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4716         load or store rather than a special insn.  Add ccnstant address and
4717         io-type operands to the membar.
4718         (frv_ifcvt_modify_tests): Unsign regno.
4719         (frv_ifcvt_modify_tests): Same.
4720
4721         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4722         UNSPEC_OPTIONAL_MEMBAR constant.
4723         (builtin_read_<mode>): Delete.
4724         (builtin_write_<mode>): Delete.
4725         ("optional_membar_<mode>"): Add operand.
4726
4727         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4728         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4729         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4730         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4731         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4732         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4733         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4734         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4735         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4736
4737 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4738
4739         * df.c (df_uses_record): Handle SCRATCH.
4740
4741 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4742
4743         PR debug/20161
4744         * passes.c (rest_of_decl_compilation): If decl is a type and
4745         we have encountered errors, don't emit debug information.
4746
4747 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4748
4749         * params.def: Fixed comment.
4750
4751 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4752
4753         PR target/19885
4754         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4755         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4756         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4757
4758 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4759
4760         PR c++/22003
4761         * varasm.c (assemble_start_function): Don't do anything that may
4762         require a CFG if the current function is a thunk.
4763
4764 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4765
4766         * doc/install.texi (Prerequisites): Mention that perl is needed
4767         to do export control in libstdc++ targetting Darwin.
4768
4769 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4770
4771         PR rtl-optimization/17808
4772         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4773         (sched_insns_conditions_mutex_p): Split out from...
4774         (add_dependence): ...here.  But don't call it from here.
4775         (add_dependence_list): Check sched_insns_conditions_mutex_p
4776         before calling add_dependence.
4777         (add_dependence_list_and_free): Likewise.
4778         (fixup_sched_groups): Likewise.
4779         (sched_analyze_1): Likewise.
4780         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4781         (sched_analyze): Likewise.
4782         (sched_analyze_insn): Likewise.
4783         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4784         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4785         dependencies on all COND_EXEC insns to jumps ending basic blocks
4786         when doing intrablock scheduling.
4787         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4788
4789 2005-07-27  Jeff Law  <law@redhat.com>
4790
4791         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4792         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4793         equivalency sets, correctly handle the case were vr0 has an
4794         equivalency set, but vr1 does not.
4795
4796 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4797
4798         PR tree-optimization/23073
4799         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4800         vect_print_dump_info before fprintf.
4801
4802 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4803
4804         PR tree-optimize/22348
4805         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4806         Fold the partial computation.
4807
4808 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4809
4810         PR tree-optimization/22325
4811         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4812         Declare.
4813         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4814         value replacement.
4815         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4816         (force_var_cost): ... this function.
4817         (compute_phi_arg_on_exit): Export.
4818
4819 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4820
4821         PR tree-optimization/20773
4822         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4823         edge.
4824
4825 2005-07-27  Richard Guenther  <rguenther@suse.de>
4826
4827         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4828         Avoid pushing again if current struct contains only
4829         fields we decomposed.
4830
4831 2005-07-27  Jan Hubicka  <jh@suse.cz>
4832
4833         PR tree-optimization/22574
4834         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4835         not available.
4836
4837         * tree-tailcall.c (decrease_profile): New function.
4838         (eliminate_tail_call): Use it.
4839
4840         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4841         visibility flags correctly in whole program mode.
4842
4843 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4844
4845         PR rtl-optimization/22472
4846         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4847
4848 2005-07-26  Steven Bosscher  <stevenb@suse.de>
4849
4850         PR tree-optimization/22504
4851         * tree-complex.c (expand_complex_addition): Use 'code' instead
4852         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4853
4854 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4855
4856         * config.gcc (cpu_type): Add frv case.
4857         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4858         (supported_defaults): Add fr550 case.
4859
4860 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
4861
4862         PR 22591
4863         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4864         whether a pointer of type T * may point to objects of type T *.
4865
4866 2005-07-26  DJ Delorie  <dj@redhat.com>
4867
4868         * configure: Regenerate.
4869
4870 2005-07-26  Dale Johannesen  <dalej@apple.com>
4871
4872         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
4873
4874 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
4875
4876         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4877         Clarify use of "build" in name.
4878
4879 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4880
4881         * doc/extend.texi (Raw read/write Functions): New section.
4882         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4883         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4884         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4885         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4886         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4887         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4888         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4889         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4890         * config/frv/frv.c: Add bdesc_loads global.
4891         Add bdesc_stores global.
4892         (frv_init_builtins): Add support for __builtin_{read/write}*.
4893         (frv_volatile_memref): New.
4894         (frv_expand_load_builtin): New.
4895         (frv_expand_store_builtin): New.
4896         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4897         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4898         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4899         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4900         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4901         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4902         (builtin_read_<mode>): New.
4903         (builtin_write_<mode>): New.
4904         (builtin_write64): New.
4905         (optional_membar_<mode>): New.
4906
4907 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
4908
4909         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4910         (rather than units) against HOST_BITS_PER_WIDE_INT.
4911
4912 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
4913
4914         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4915         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4916         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4917         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4918         FSF address.
4919
4920         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4921         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4922         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4923         comment typos.
4924         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4925
4926 2005-07-26  Richard Guenther  <rguenther@suse.de>
4927
4928         PR tree-optimization/22486
4929         * fold-const.c (fold_unary): Fold away useless component
4930         references of the form (T *)&T.x, if the address
4931         doesn't change.
4932
4933 2005-07-25  James E Wilson  <wilson@specifixinc.com>
4934
4935         * dwarf2out.c (add_call_src_coords_attributes): New.
4936         (gen_inlined_subroutine_die): Call it.
4937         (maybe_emit_file, init_file_table): Add comments.
4938         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4939         maybe_emit_file.
4940         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4941         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4942         * tree.h (BLOCK_SOURCE_LOCATION): New.
4943         (struct tree_block): New field locus.
4944
4945 2005-07-26  Andreas Schwab  <schwab@suse.de>
4946
4947         PR rtl-optimization/23043
4948         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4949         when allocating a struct unoccr.
4950
4951 2005-07-25  Richard Henderson  <rth@redhat.com>
4952
4953         PR 22626
4954         * tree-complex.c (gate_no_optimization): True if errors.
4955         * Makefile.in (tree-complex.o): Update dependencies.
4956
4957 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
4958
4959         * config/frv/predicates.md (integer_register_operand): Use
4960         GPR_AP_OR_PSEUDO_P.
4961
4962 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4963
4964         PR tree-opt/22484
4965         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4966         after fold.
4967         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4968
4969 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4970
4971         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4972         types when flag_unsafe_math_optimizations is true.
4973
4974 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
4975
4976         * gcc.c (option_map): Add --sysroot.
4977         (process_command): Handle --sysroot.
4978         (display_help): Document it.
4979         * doc/cppopts.tex (-isysroot): Document.
4980         * doc/invoke.texi (--sysroot): Document.
4981         * doc/install.texi (--with-build-sysroot): Document.
4982
4983         * Makefile.in (inhibit_libc): New variable.
4984         (INHIBIT_LIBC_CFLAGS): Likewise.
4985         (LIBGCC2_CFLAGS): Include
4986         $(INHIBIT_LIBC_CFLAGS).
4987         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4988         ($(T)crtbegin.o): Do not use @inhibit_libc@.
4989         ($(T)crtend.o): Likewise.
4990         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4991         ($(T)crtendS.o): Likewise.
4992         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4993         ($(T)crtendT.o): Likewise.
4994         (stmp-fixinc): Do not complain about missing headers if
4995         inhibit_libc.
4996         * configure.ac (inhibit_libc): Set it to true/false.
4997         (--with-build-sysroot): New option.  Use it to set
4998         SYSTEM_HEADER_DIR.
4999         * configure: Regenerated.
5000
5001 2005-07-25  Manfred Hollstein  <mh@suse.com>
5002
5003         * calls.c (store_one_arg): Fix unsigned comparison warning.
5004
5005 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5006
5007         PR other/22337
5008         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5009         (ggc_print_statistics): Initialize variable before use.
5010
5011 2005-07-25  Richard Guenther  <rguenther@suse.de>
5012
5013         * tree-dfa.c (mark_new_vars_to_rename): Protect against
5014         calling with a PHI_NODE argument.
5015
5016         * tree-flow-inline.h (overlap_subvar): Protect against
5017         possible overflow.
5018
5019 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
5020
5021         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5022         * configure: Regenerate.
5023
5024 2005-07-25  Ira Rosen  <irar@il.ibm.com>
5025
5026         * expr.c (highest_pow2_factor): Make extern.
5027         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5028         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5029         record_array_differ_p, array_ptr_differ_p): Likewise.
5030         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5031         additional cases. Call the above functions.
5032         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5033         base_object_differ_p when there are two base objects. Otherwise, compare
5034         base address and offset. Call may_alias_p.
5035         (dump_data_reference): Use a correct field name.
5036         (analyze_array): Make static. Initialize new data-ref fields.
5037         (analyze_indirect_ref): New function.
5038         (init_data_ref): Initialize new data-ref fields.
5039         (strip_conversion): Moved from tree-vect-analyze.c.
5040         (analyze_offset_expr, get_ptr_offset, address_analysis,
5041         object_analysis): Likewise.
5042         (analyze_offset): New function.
5043         (create_data_ref): Likewise.
5044         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5045         dimensions for ARRAY_REFs only.
5046         (build_classic_dist_vector): Make static.
5047         (access_functions_are_affine_or_constant_p): Call macro to get the
5048         address of access functions.
5049         (compute_all_dependences): Add new parameter
5050         compute_self_and_read_read_dependences. Compute self and read-read
5051         dependences if it is true.
5052         (find_data_references_in_loop): Call create_data_ref. Initialize new
5053         data-ref fields.
5054         (compute_data_dependences_for_loop): Add new parameter
5055         compute_self_and_read_read_dependences. Remove parameter nb_loops,
5056         compute nb_loops. Call compute_all_dependences,
5057         build_classic_dist_vector and build_classic_dir_vector with correct
5058         parameters.
5059         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5060         with correct parameters. Compare dimensions for ARRAY_REFs only.
5061         (free_data_refs): Call macro to free access functions.
5062         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5063         fields from stmt_vinfo.
5064         (struct base_object_info): New structure.
5065         (struct data_reference): Move fields to base_object_info. Add fields
5066         first_location and object_info for above structures. Move fields from
5067         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5068         aligned_to.  Add macros to access the new fields.
5069         Update functions declarations.
5070         * tree-flow.h (is_aliased_with): Declare.
5071         * tree-loop-linear.c (linear_transform_loops): Call
5072         compute_data_dependences_for_loop with correct parameters.
5073         * tree-ssa-alias.c (is_aliased_with): New function.
5074         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5075         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5076         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5077         vect_base_addr_differ_p, compute_subscript_distance and
5078         build_classic_dist_vector. Add printings. Check absolute value of
5079         distance.
5080         (vect_analyze_data_ref_dependences): Go through ddrs instead of
5081         data-refs.
5082         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5083         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5084         to bytes. Add printing.
5085         (vect_compute_data_refs_alignment): Go through loads and stores in one
5086         loop.
5087         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5088         vect_analyze_data_ref_access): Likewise.
5089         (vect_analyze_pointer_ref_access): Remove.
5090         (vect_address_analysis, vect_object_analysis): Likewise.
5091         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5092         and analyze data-refs in the loop.
5093         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5094         fields of data-ref instead of stmt. Add init to the offset from the
5095         base.
5096         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5097         (vect_update_init_of_dr): Likewise.
5098         (vect_update_inits_of_drs): Go through loads and stores in one loop.
5099         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5100         removed fields.
5101         (new_loop_vec_info): Initialize new fields.
5102         (destroy_loop_vec_info): Free new fields.
5103         (vect_strip_conversion): Remove.
5104         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5105         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5106         datarefs. Add new field ddrs.
5107         Add macros for the new fields access.
5108         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5109         base_aligned_p, misalignment, memtag, ptr_info and subvars.
5110         Remove their macros.
5111         * tree.h (highest_pow2_factor): Declare.
5112
5113 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
5114
5115         * calls.c (store_one_arg): Check for sibling call MEM arguments
5116         from already clobbered incoming argument area.
5117
5118 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5119
5120         * c-common.c (check_missing_format_attribute): New.
5121         * c-common.h (check_missing_format_attribute): Likewise.
5122         * c-typeck.c (convert_for_assignment): Use it.
5123
5124 2005-07-24  Andreas Schwab  <schwab@suse.de>
5125
5126         * config/m68k/m68k.md ("extendqidi2"): When source is an address
5127         register use a word move.  Correct operand of ext.w in 68000 code.
5128
5129 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
5130
5131         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5132         variables as declarations, rather than definitions.
5133
5134 2005-07-24  Ira Rosen  <irar@il.ibm.com>
5135
5136         PR tree-optimization/22526
5137         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5138         of the zero node.
5139
5140 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5141
5142         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5143         that C99 reserve for future use. Use it to define clog10,
5144         clog10f and clog10l.
5145
5146 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5147
5148         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5149         * configure.ac: Check for -Wmissing-format-attribute.
5150
5151         * configure: Regenerate.
5152
5153 2005-07-23  Richard Henderson  <rth@redhat.com>
5154
5155         PR tree-optimization/22623
5156         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5157
5158 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
5159
5160         PR target/22577
5161         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5162
5163 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5164
5165         * Makefile.in (C_TREE_H): Update dependencies.
5166         * c-tree.h: Include toplev.h.
5167         * diagnostic.h (diagnostic_set_info): Add format attribute.
5168         * rtl-error.c (diagnostic_for_asm): Likewise.
5169
5170 2005-07-23  Chao-ying Fu  <fu@mips.com>
5171
5172         * config/mips/mips-dsp.md: New file.
5173         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5174         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5175         functions.
5176         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5177         MIPS_BUILTIN_BPOSGE32.
5178         (mips_expand_builtin_direct): Add one parameter to indicate that
5179         builtin functions need to return a value.
5180         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5181         functions.
5182         (mips_regno_to_class): Add classes for 12 new DSP registers.
5183         (mips_subword): Change to check four HI registers.
5184         (mips_output_move): Output move to and from 6 new DSP accumulators.
5185         (override_options): Make sure -mdsp and -mips16 are not used together.
5186         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
5187         for machine modes.
5188         (mips_conditional_register_usage): Disable 6 new DSP accumulators
5189         when !TARGET_DSP.
5190         (print_operand): Add 'q' for printing DSP accumulators.
5191         (mips_cannot_change_mode_class): Check ACC_REGS.
5192         (mips_secondary_reload_class): Check ACC_REGS.
5193         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5194         (mips_register_move_cost): Check ACC_REGS.
5195         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5196         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5197         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5198         (dsp_bdesc): New array.
5199         (bdesc_arrays): Add DSP builtin function table.
5200         (mips_prepare_builtin_arg): Check predicate again after
5201         copy_to_mode_reg.
5202         (mips_expand_builtin): Add one more parameter to
5203         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5204         MIPS_BUILTIN_BPOSGE32.
5205         (mips_init_builtins): Initialize new function types.
5206         (mips_expand_builtin_direct): Check if builtin functions need to
5207         return a value and pass operands properly.
5208         (mips_expand_builtin_bposge): New function.
5209         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5210         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5211         (FIRST_PSEUDO_REGISTER): Increase to 188.
5212         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5213         Update for 12 new DSP registers.
5214         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5215         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5216         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5217         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5218         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5219         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5220         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5221         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5222         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5223         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5224         (REGISTER_NAMES): Add names for 12 new DSP registers.
5225         * config/mips/mips.md: Include mips-dsp.md.
5226         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5227         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5228         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5229         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5230         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5231         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5232         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5233         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5234         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5235         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5236         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5237         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5238         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5239         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5240         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5241         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5242         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5243         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5244         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5245         (UNSPEC_RDDSP): New constants.
5246         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5247         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
5248         A<-d alternative.
5249         * config/mips/mips.opt (-mdsp): New option.
5250         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5251         (reg_imm10_operand): New predicates.
5252         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5253         * doc/invoke.texi (-mdsp): Document new option.
5254
5255 2005-07-22  DJ Delorie  <dj@redhat.com>
5256
5257         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5258         to warning calls.
5259         * tree-inline.c (inlinable_function_p): Likewise.
5260
5261 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
5262
5263         PR debug/21828
5264         * toplev.c (check_global_declarations): Do not mark undefined
5265         variables as DECL_IGNORED_P.
5266         * varasm.c (first_global_object_name): GTY it.
5267         (weak_global_object_name): Likewise.
5268         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5269         a string to go into {weak,first}_global_object_name.
5270
5271 2005-07-22  DJ Delorie  <dj@redhat.com>
5272
5273         * c-format.c (check_function_format): Change warning control
5274         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5275
5276 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
5277
5278         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5279         &PTR->FLD a dereference of PTR.
5280         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5281         a potential dereference of PTR.
5282
5283 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
5284
5285         PR rtl-optimization/20370
5286         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5287         call allocate_reg_info if necessary.
5288
5289         PR rtl-optimization/21848
5290         * calls.c (emit_library_call_value_1): For const functions, add
5291         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5292
5293         PR rtl-optimization/22445
5294         * cselib.c (target.h): Include.
5295         (rtx_equal_for_cselib_p): Allow commutative matches.
5296         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5297         Remove MODE parameter.  Changed all callers.
5298
5299         PR rtl-optimization/22258
5300         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5301         New functions.
5302         (try_combine): Use likely_spilled_retval_p.
5303
5304 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
5305
5306         * config.gcc: Add crx-elf support.
5307
5308         * doc/contrib.texi: Mention crx.
5309         * doc/extend.texi: Document crx extensions.
5310         * doc/install.texi: Document crx install.
5311         * doc/invoke.texi: Document crx options.
5312         * doc/md.texi: Document crx constraints.
5313
5314         * config/crx/crx-protos.h: New file.
5315         * config/crx/crx.c: New file.
5316         * config/crx/crx.h: New file.
5317         * config/crx/crx.md: New file.
5318         * config/crx/crx.opt: New file.
5319         * config/crx/t-crx: New file.
5320
5321 2005-07-22  Manfred Hollstein  <mh@suse.com>
5322
5323         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5324         warnings.
5325         (int_add_graph_edge): Likewise.
5326         (collapse_nodes): Likewise.
5327         (process_unification_queue): Likewise.
5328
5329 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5330             Laurent GUERBY  <laurent@guerby.net>
5331
5332         PR tree-optimization/22336
5333         * function.c (record_block_change): Check for
5334         cfun->ib_boundaries_block.
5335
5336 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
5337
5338         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5339         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5340
5341 2005-07-21  DJ Delorie  <dj@redhat.com>
5342
5343         * toplev.c (warn_deprecated_use): Add warning control to warning
5344         call.
5345         * c-typeck.c (parser_build_binary_op): Likewise.
5346         (c_finish_if_stmt): Likewise.
5347         * c-common.c (check_function_sentinel): Likewise.
5348         (check_nonnull_arg): Likewise.
5349
5350 2005-07-21  Richard Henderson  <rth@redhat.com>
5351
5352         PR tree-opt/22504
5353         * tree-complex.c (complex_ssa_name_components): New.
5354         (cvc_lookup): Allow entry not found.
5355         (create_components): Remove.
5356         (create_one_component_var, get_component_var): New.
5357         (get_component_ssa_name, set_component_ssa_name): New.
5358         (extract_component): Use get_component_ssa_name.
5359         (update_complex_components): Use set_component_ssa_name.
5360         (update_complex_components_on_edge): Likewise.
5361         (update_phi_components): Create new PHI nodes directly, instead
5362         of adding insns to edges.
5363         (tree_lower_complex): Allocate and free complex_variable_components
5364         and complex_ssa_name_components here.
5365
5366 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
5367
5368         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5369         revert to returning false.
5370
5371 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5372
5373         PR target/21149
5374         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5375
5376 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5377
5378         PR target/22576
5379         * config/i386/i386.md (cmpxf): Change operand constraints
5380         to "nonmemory_operand".
5381
5382 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5383
5384         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5385
5386 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5387
5388         PR middle-end/21180
5389         * fold-const.c (fold_build1): Add checksum for the operands.
5390         (fold_build2): Likewise.
5391         (fold_build3): Likewise.
5392
5393 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5394
5395         PR middle-end/19055
5396         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5397
5398 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5399
5400         * common.opt (-fforward-propagate): Committed by mistake,
5401         removed.
5402
5403 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5404
5405         * reg-stack.c: Fix comment typo(s).
5406         * tree-ssa-operands.c: Likewise.
5407         * tree-vectorizer: Likewise.
5408
5409 2005-07-21  Nick Clifton  <nickc@redhat.com>
5410
5411         * config/sh/symbian.c: Replace C++ style line comments with C
5412         style line comments.
5413         (symbian_add_attribute): Do not use a ? operator on the LHS of
5414         an assignment.
5415         (sh_symbian_handle_dll_attribute): Change the type of the
5416         method vector to "VEC(tree,gc)*" and use vector accessor
5417         macros to walk over the elements.
5418         (symbian_export_vtable_and_rtti_p): Likewise.
5419         (symbian_class_needs_attribute_p): Likewise.
5420
5421 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5422
5423         PR target/22085
5424         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5425         initialize targetm.resolve_overloaded_builtin here.
5426         (altivec_expand_overloaded_builtin): Make it non-static.
5427         * config/rs6000/rs6000-protos.h
5428         (altivec_expand_overloaded_builtin): New prototype.
5429         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5430         targetm.resolve_overloaded_builtin here.
5431         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5432
5433 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5434             Zdenek Dvorak  <dvorakz@suse.cz>
5435
5436         PR tree-optimization/19210
5437         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5438         New.
5439         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5440         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5441         rely on unproven assumptions.
5442         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5443         * tree-flow.h (number_of_iterations_exit): Add final parameter.
5444         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5445         to number_of_iterations_exit.
5446         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5447         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5448         * tree-ssa-loop-niter.c (find_loop_niter,
5449         estimate_numbers_of_iterations_loop): Likewise.
5450         (number_of_iterations_exit): Honor the new options.
5451         * doc/invoke.texi (Wunsafe-loop-optimizations,
5452         funsafe-loop-optimizations): Document them.
5453
5454 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
5455
5456         PR rtl-optimization/22167
5457         * gcse.c (hoist_code): Fix hoist_exprs[] check.
5458
5459 2005-07-20  Adam Nemet  <anemet@lnxw.com>
5460
5461         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5462         __do_global_dtors_aux longcall.
5463
5464 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
5465
5466         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5467         (old_special_pred_table): Don't reference
5468         SPECIAL_MODE_PREDICATES.
5469         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5470         * config/arc/arc.h: Don't mention PREDICATE_CODES.
5471         * config/sh/predicates.h: Don't mention
5472         SPECIAL_MODE_PREDICATES.
5473         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5474         Remove.
5475
5476 2005-07-20  DJ Delorie  <dj@redhat.com>
5477
5478         * config.gcc: Add m32c-elf support.
5479
5480         * doc/contrib.texi: Mention m32c.
5481         * doc/extend.texi: Document m32c extensions.
5482         * doc/install.texi: Mention m32c.
5483         * doc/invoke.texi: Document m32c options.
5484         * doc/md.texi: Document m32c constraints.
5485
5486         * config/m32c/addsub.md: New file.
5487         * config/m32c/bitops.md: New file.
5488         * config/m32c/cond.md: New file.
5489         * config/m32c/jump.md: New file.
5490         * config/m32c/m32c-lib1.S: New file.
5491         * config/m32c/m32c-lib2.c: New file.
5492         * config/m32c/m32c-modes.def: New file.
5493         * config/m32c/m32c-pragma.c: New file.
5494         * config/m32c/m32c-protos.h: New file.
5495         * config/m32c/m32c.abi: New file.
5496         * config/m32c/m32c.c: New file.
5497         * config/m32c/m32c.h: New file.
5498         * config/m32c/m32c.md: New file.
5499         * config/m32c/m32c.opt: New file.
5500         * config/m32c/minmax.md: New file.
5501         * config/m32c/mov.md: New file.
5502         * config/m32c/muldiv.md: New file.
5503         * config/m32c/predicates.md: New file.
5504         * config/m32c/prologue.md: New file.
5505         * config/m32c/shift.md: New file.
5506         * config/m32c/t-m32c: New file.
5507
5508 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5509
5510         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5511         (stack_protect_set, stack_protect_test): New expanders.
5512         (stack_protect_set_si, stack_protect_set_si_media,
5513         stack_protect_set_di_media, stack_protect_test_si,
5514         stack_protect_test_si_media, stack_protect_test_di_media):
5515         New insns.
5516
5517 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
5518
5519         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5520
5521 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
5522
5523         * tree.h (tree_expr_nonzero_p): Export.
5524         * fold-const.c (tree_expr_nonzero_p): Likewise.
5525         Return true for CALL_EXPRs that are alloca calls.
5526         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5527         against zero.
5528         * tree-flow.h (expr_computes_nonzero): Remove.
5529         * tree-vrp.c (expr_computes_nonzero): Remove.
5530         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5531         (extract_range_from_unary_expr): Likewise.
5532         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5533         tree_expr_nonzero_p.
5534
5535 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
5536
5537         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5538         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
5539         extra arg "picreg" and use it instead of pic_offset_table_rtx.
5540         All callers changed.
5541         (frame_related_constant_load): New arg "related" which controls
5542         setting of RTX_FRAME_RELATED_P.  All callers changed.
5543         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5544         (bfin_expand_prologue): Add stack limit checking.
5545         * config/bfin/bfin.md (trapifcc): New pattern.
5546
5547         * config/bfin/bfin.c: Include "langhooks.h".
5548         (def_builtin): Go through lang_hooks to call builtin_function.
5549
5550         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5551         * config/bfin/predicates.md (symbol_ref_operand): New.
5552         (call_insn_operand): Delete.  All callers changed to use
5553         register_no_elim_operand.
5554         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5555         call_cookie field.
5556         (function_arg): Use it to generate the call's operand 2.
5557         (bfin_longcall_p): New function.
5558         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
5559         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
5560         determine if the address needs to be in a REG.
5561         (bfin_handle_longcall_attribute): New function.
5562         (bfin_attribute_table): Add "longcall" and "shortcall".
5563         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5564         (CUMULATIVE_ARGS): New member call_cookie.
5565         (PREDICATE_CODES): Add symbol_ref_operand.
5566         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5567         extra USE to the pattern.
5568         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5569         New patterns, split off call_insn, sibcall_insn, call_value_insn and
5570         sibcall_value_insn; now the new patterns handle direct calls and the
5571         old ones indirect calls.
5572         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5573
5574 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
5575
5576         * doc/trouble.texi: Update section on handling of empty loops.
5577
5578 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
5579
5580         * config.gcc: Remove support for sparc-*-openbsd*,
5581         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5582         ns32k-*-netbsd*.
5583         * config.host: Remove support for i860-*-sysv4* as a host.
5584         * config/i860/*, config/ip2k/*, config/ns32k/*,
5585         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5586         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5587         mention obsolete ports.
5588
5589 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5590
5591         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5592         soft frame pointer.
5593         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5594         of frame_pointer_rtx.
5595         (sh_expand_epilogue): Likewise.
5596         (sh_set_return_address): Likewise.
5597         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5598         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
5599         offsets from FRAME_POINTER_REGNUM.
5600         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5601         (sh_register_names): Add initializer for sfp.
5602         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5603         (VALID_REGISTER_P): Likewise.
5604         (FIRST_PSEUDO_REGISTER): Update.
5605         (DWARF_FRAME_REGISTERS): Define.
5606         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5607         (HARD_FRAME_POINTER_REGNUM): Define.
5608         (FRAME_POINTER_REGNUM): Redefine.
5609         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5610         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
5611         from FRAME_POINTER_REGNUM.
5612         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5613         FRAME_POINTER_REGNUM.
5614         (REG_CLASS_CONTENTS): Add sfp.
5615         (REG_ALLOC_ORDER): Likewise.
5616         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
5617         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5618         of frame_pointer_rtx.
5619         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5620
5621 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5622
5623         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5624         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5625         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5626         of an ABS_EXPR.
5627         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5628         ABS_EXPR<x>.
5629
5630 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5631
5632         Make CONSTRUCTOR use VEC to store initializers.
5633         * c-common.c (complete_array_type): Update to cope with VEC in
5634         CONSTRUCTOR_ELTS.
5635         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5636         (pp_c_constructor_elts): New function.
5637         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5638         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5639         struct constructor_stack, struct initializer_stack,
5640         constructor_elements, push_init_level, pop_init_level,
5641         add_pending_init, find_init_member, output_init_element): Update to
5642         cope with VEC in CONSTRUCTOR_ELTS.
5643         * coverage.c (build_fn_info_value, build_ctr_info_value,
5644         build_gcov_info): Likewise.
5645         * expr.c (categorize_ctor_elements_1, store_constructor,
5646         expand_expr_real_1): Likewise.
5647         * fold-const.c (fold_ternary): Likewise.
5648         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5649         gimplify_init_constructor, gimplify_expr): Likewise.
5650         * tree-dump.c (dequeue_and_dump): Likewise.
5651         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5652         node.
5653         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5654         CONSTRUCTOR_ELTS.
5655         * tree-sra.c (generate_element_init_1): Likewise.
5656         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5657         * tree-ssa-operands.c (get_expr_operands): Likewise.
5658         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5659         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5660         (get_initial_def_for_reduction): Likewise.
5661         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5662         value handle in annotations.
5663         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5664         tree_node_structure): Add support for constr_kind.
5665         (build_vector_from_ctor, build_constructor_single,
5666         build_constructor_from_list): New functions.
5667         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5668         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5669         Update to cope with VEC in CONSTRUCTOR_ELTS.
5670         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5671         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5672         CONSTRUCTOR_APPEND_ELT): New macros.
5673         (struct constructor_elt, struct tree_constructor): New data types.
5674         (union tree_node): Add tree_constructor field.
5675         * treestruct.def: Define TS_CONSTRUCTOR.
5676         * varasm.c (const_hash_1, compare_constant, copy_constant,
5677         compute_reloc_for_constant, output_addressed_constants,
5678         initializer_constant_valid_p, output_constant,
5679         array_size_for_constructor, output_constructor): Update to cope with
5680         VEC in CONSTRUCTOR_ELTS.
5681         * vec.h (VEC_empty, VEC_copy): New macros.
5682
5683 2005-07-19  Devang Patel  <dpatel@apple.com>
5684
5685         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5686
5687 2005-07-19  Richard Henderson  <rth@redhat.com>
5688
5689         PR tree-opt/22278
5690         * gimplify.c (gimplify_expr): Use main variant type for the temp
5691         destination for a discarded volatile read.
5692         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5693         casts between non-void types that change volatility.
5694
5695 2005-07-15  DJ Delorie  <dj@redhat.com>
5696
5697         * toplev.h: Add comment about the first parameter for warning().
5698         * errors.h: Likewise.
5699
5700         * c.opt (Wpragmas): New.
5701         * doc/invoke.texi: Document it.
5702
5703         * function.c (do_warn_unused_parameter): Add warning control to
5704         warning call.
5705         * c-decl.c (warn_if_shadowing): Likewise.
5706         * c-lex.c (cb_def_pragma): Likewise.
5707         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5708         (pop_alignment): Likewise.
5709         (handle_pragma_pack): Likewise.
5710         (apply_pragma_weak): Likewise.
5711         (handle_pragma_weak): Likewise.
5712         (handle_pragma_redefine_extname): Likewise.
5713         (add_to_renaming_pragma_list): Likewise.
5714         (handle_pragma_extern_prefix): Likewise.
5715         (maybe_apply_renaming_pragma): Likewise.
5716         (handle_pragma_visibility): Likewise.
5717
5718         * config/c4x/c4x-c.c (BAD): Likewise.
5719         (c4x_parse_pragma): Likewise.
5720         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5721         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5722         (rs6000_pragma_longcall): Likewise.
5723         * config/v850/v850-c.c (pop_data_area): Likewise.
5724         (ghs_pragma_section): Likewise.
5725         (ghs_pragma_section): Likewise.
5726         (ghs_pragma_interrupt): Likewise.
5727         (ghs_pragma_starttda): Likewise.
5728         (ghs_pragma_startsda): Likewise.
5729         (ghs_pragma_startzda): Likewise.
5730         (ghs_pragma_endtda): Likewise.
5731         (ghs_pragma_endsda): Likewise.
5732         (ghs_pragma_endzda): Likewise.
5733
5734 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5735             Kenneth Zadeck <zadeck@naturalbridge.com>
5736
5737         * Makefile.in: Removed tree-promote-statics.c
5738         * tree-promote-statics.c: Removed.
5739         * common.opt: Removed flag-promote-statics.
5740         * opts.c: Ditto.
5741         * passes.c: Removed tree-promote-statics pass.
5742         * tree-pass.h: Ditto.
5743         * timevar.def: Removed TV_PROMOTE_STATICS.
5744
5745
5746 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5747
5748         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5749         and *-*-freebsd9.
5750         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5751
5752 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5753
5754         PR c/22476
5755         * c-common.c (check_function_arguments): Call
5756         'check_function_format' if either -Wformat or
5757         -Wmissing-format-attribute are specified.
5758         * c-format.c (check_function_format): Check -Wformat before
5759         calling 'check_format_info'.
5760         * c-opts.c (c_common_post_options): Don't warn for
5761         -Wmissing-format-attribute without -Wformat.
5762         * c-typeck.c (convert_for_assignment): Detect additional cases for
5763         -Wmissing-format-attribute.
5764         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5765         behavior.
5766
5767 2005-07-19  Richard Guenther  <rguenther@suse.de>
5768
5769         * config/i386/i386.md (lrint<mode>2): Use temporary
5770         instead of clobbering non-existent memory.
5771
5772 2005-07-19  Nick Clifton  <nickc@redhat.com>
5773
5774         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5775         statement to avoid displaying ASCII control characters.
5776
5777 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5778
5779         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5780         * cfganal.c (find_edge_index): Ditto.
5781         * combine.c (combine_instructions): Ditto.
5782         * ddg.c (create_scc): Ditto.
5783         (find_successors): Ditto.
5784         (find_predecessors): Ditto.
5785         (find_nodes_on_paths): Ditto.
5786         (longest_simple_path): Ditto.
5787         * flow.c (update_life_info): Ditto.
5788         (count_or_remove_death_notes): Ditto.
5789         (clear_log_links): Ditto.
5790         * modulo-sched.c (generate_reg_moves): Ditto.
5791         (find_max_asap): Ditto.
5792         (find_max_hv_min_mob): Ditto.
5793         (find_max_dv_min_mob): Ditto.
5794         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5795         * sched-rgn.c (extract_edgelst): Ditto.
5796         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5797         (dump_update_ssa): Ditto.
5798         (ssa_names_to_replace) Ditto.
5799         (switch_virtuals_to_full_rewrite): Ditto.
5800         (update_ssa): Ditto.
5801         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5802
5803 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5804
5805         Fix PR tree-optimization/22483
5806
5807         * tree-complex.c (create_components): Use
5808         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5809         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5810         * tree-flow.h (safe_referenced_var_iterator): New structure.
5811         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5812         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5813         safe_referenced_var iterator.
5814         (add_type_alias): Ditto.
5815
5816 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5817
5818         * loop-init.c (rest_of_handle_loop2): Remove.
5819         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5820         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5821         (pass_rtl_loop_init, pass_rtl_loop_done,
5822         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5823         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5824         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5825         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5826         pass_tree_loop_done, and pass_tree_unswitch.
5827         (gate_loop): Rename to gate_tree_loop.
5828         * passes.c (init_optimization_passes): Update for renamed tree
5829         loop passes.  Add the new loop2 passes as subpasses of loop2.
5830         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5831         Update for the renamed tree loop passes.
5832
5833 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5834
5835         PR middle-end/22057
5836         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5837         blocks when optimizing.
5838
5839 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5840
5841         * common.opt (frename-registers): Initialize to 2.
5842         (fweb): Ditto.
5843         (fgcse-after-reload): Ditto.
5844         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5845         (process_options): Only change flag_web, flag_rename_registers,
5846         and flag_rerun_cse_after_loop if not explicitly set by user.
5847
5848 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5849
5850         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5851         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5852         in 64-bit mode the same as DImode in 32-bit mode.
5853         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5854         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5855         mode. Add new mode parameter.
5856         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5857         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5858         x86_64_shift_adj): New expanders.
5859         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5860         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5861         insns.
5862         Respective new splitters. Use renamed shift splitter helpers in 32-bit
5863         DImode shift splitters.
5864         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5865         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5866         mode parameter.
5867
5868 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5869
5870         * i386.md (movdi_extzv_1): New.
5871         (zero_extendhidi2): Combine alternatives and never force use of
5872         REX64 prefix.
5873         (zero_extendqidi2): Likewise. Don't restrict input selection.
5874
5875 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5876
5877         Fix PR tree-optimization/22531
5878         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
5879          moment.
5880
5881 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5882
5883         * tree-promote-statics.c (pass_promote_statics): Change dump file
5884          name.
5885
5886 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5887
5888         * tree-optimize.c (init_tree_optimization_passes): Add
5889         pass_eliminate_useless_stores pass.
5890         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5891         * tree-ssa-pre.c (is_copy_stmt): New function.
5892         (follow_copies_till_vuse): Ditto.
5893         (do_eustores): Ditto.
5894         (gate_eustores): Ditto.
5895
5896 2005-07-16  Richard Henderson  <rth@redhat.com>
5897
5898         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5899
5900 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5901            Kenneth Zadeck <zadeck@naturalbridge.com>
5902
5903         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5904         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5905         ipa-type-escape.h, tree-promote-statics.c
5906         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5907         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5908         tree-promote-statics.c: new files.
5909         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5910         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5911         int nonlocal_set_p, mark_constant_function): Deleted.
5912         (rest_of_handle_cfg): Removed call to mark_constant_function.
5913         (nonoverlapping_component_refs_p): Added calls to support
5914         type based aliasing.
5915         * tree-ssa-alias.c (may_alias_p,
5916         compute_flow_insensitive_aliasing): Ditto.
5917         * calls.c (flags_from_decl_or_type): Removed reference to
5918         cgraph_rtl_info.
5919         * c-typeck.c (convert_arguments): Make builtins tolerant of having
5920         too many arguments.  This is necessary for Spec 2000.
5921         * cgraph.h (const_function, pure_function): Removed.
5922         * common.opt: Added "fipa-pure-const", "fipa-reference",
5923         "fipa-type-escape", and "ftree-promote-static".
5924         * opts.c: Ditto.
5925         * passes.c: Added ipa and tree-promote-statics passes.
5926         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5927         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5928         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5929         * tree-flow.h: Added exposed sra calls and addition of
5930         reference_vars_info field for FUNCTION_DECLS.
5931         * tree-pass.h: Added passes.
5932         * tree-sra.c: (sra_init_cache): New function.
5933         (sra_insert_before, sra_insert_after) Made public.
5934         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5935         and made public.
5936         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5937         aliasing. (may_alias_p): Added code to use type escape analysis to
5938         improve alias sets.
5939         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5940         code to prune clobbers of static variables based on information
5941         produced in ipa-reference pass.  Changed call clobbering so that
5942         statics are not marked as clobbered if the call does not clobber
5943         them.
5944
5945 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
5946
5947         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5948         too.
5949
5950 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5951
5952         * doc/install.texi (*-*-solaris2*): Document recommended version
5953         of GNU binutils and mention GNU linker problem on Solaris 10.
5954
5955 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
5956
5957         PR c/22421
5958         * c-decl.c (c_build_bitfield_integer_type): New function.
5959         (finish_struct): Call it.
5960         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5961
5962 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5963
5964         * c-typeck.c (digest_init): Call 'convert_for_assignment'
5965         before returning.
5966
5967 2005-07-16  Jan Hubicka  <jh@suse.cz>
5968
5969         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5970         (scale_bbs_frequencies_int): Watch roundoff errors.
5971         * predict.c (return_prediction): Initialize return_stmt.
5972
5973 2005-07-16  Jan Hubicka  <jh@suse.cz>
5974
5975         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5976         after RTL profiling.
5977
5978 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
5979
5980         PR middle-end/22398
5981         * fold-const.c (build_range_check): Convert high/low to etype
5982         if we are only comparing against exp.
5983
5984 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
5985
5986         Fix PR tree-optimization/22376
5987         * tree-ssa-structalias.c (build_constraint_graph): We really meant
5988         special var here.
5989         (need_to_solve): New function.
5990         (compute_points_to_sets): Use it.
5991
5992 2005-07-15  Jan Hubicka  <jh@suse.cz>
5993
5994         * cfg.c (update_bb_profile_for_threading): More diagnostic.
5995         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5996
5997 2005-07-15  Richard Guenther  <rguenther@suse.de>
5998
5999         * c-common.c (handle_flatten_attribute): New function.
6000         Add flatten function attribute.
6001         * doc/extend.texi: Document flatten function attribute.
6002         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6003         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6004         New functions.
6005         (cgraph_decide_inlining): Handle functions with flatten
6006         attribute.
6007
6008 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
6009
6010         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6011         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6012         UNSPEC_XCHG, UNSPEC_AND): New.
6013         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6014         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6015         * config/rs6000/sync.md (FETCHOP): New code macro.
6016         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6017         New code attrs.
6018         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6019         (sync_compare_and_swap<mode>): Same.
6020         (sync_lock_test_and_set<mode>): Same.
6021         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6022         for QImode and HImode, and not PPC405.
6023         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6024         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6025         (sync_<fetchop>{si,di}_internal): New.
6026         (sync_nand{si,di}_internal): New.
6027         (sync_old_<fetchop>{si,di}_internal): New.
6028         (sync_old_nand{si,di}_internal): New
6029         (sync_new_<fetchop>{si,di}_internal): New.
6030         (sync_new_nand{si,di}_internal): New.
6031         (atomic_and{si,di}): New.
6032         (sync_new_nand{si,di}_internal): New.
6033         (atomic_and{si,di}): New.
6034         (sync_add<mode>_internal): Delete.
6035         (sync_addshort_internal): Use unspec instead of unspec_volatile.
6036         (sync_sub<mode>_internal): Delte.
6037         (sync_subshort_internal): New.
6038         (sync_andsi_internal): Use unspec instead of unspec_volatile.
6039         (sync_anddi_internal): Delete.
6040         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6041         (sync_booldi_internal): Delete.
6042         (sync_boolc<mode>_internal): Delete.
6043         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6044         (sync_boolc<mode>_internal2): Delete.
6045         (sync_boolcc<mode>_internal): Delete.
6046         (isync, lwsync): Use unspec instead of unspec_volatile.
6047         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6048         Revert UNSPEC_VOLATILE.
6049         (rs6000_split_atomic_op): New.
6050         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6051
6052 2005-07-14  Eric Christopher  <echristo@redhat.com>
6053
6054         * config/mips/mips.c (mips_canonicalize_comparison): Cast
6055         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6056
6057 2005-07-14  Eric Christopher  <echristo@redhat.com>
6058
6059         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6060
6061 2005-07-14  Steven Bosscher  <stevenb@suse.de>
6062
6063         PR tree-optimization/22230
6064         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6065         the computation of the four cross productions for "range op range".
6066
6067 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
6068             Ulrich Weigand  <uweigand@de.ibm.com>
6069
6070         PR target/20126
6071         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6072         in some insn.
6073
6074 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6075
6076         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6077
6078 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
6079
6080         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6081
6082 2005-07-14  Richard Guenther  <rguenther@suse.de>
6083
6084         PR middle-end/22347
6085         * config/i386/i386-protos.h (ix86_function_value): Change
6086         prototype to match new target hook.
6087         * config/i386/i386.c (ix86_value_regno): Change prototype
6088         to take extra type argument.
6089         (TARGET_FUNCTION_VALUE): Define.
6090         (ix86_function_ok_for_sibcall): Pass extra argument to
6091         ix86_value_regno, check return slot rtx for exact match.
6092         (ix86_function_value): Take extra parameter.  Dispatch to
6093         ix86_value_regno with fndecl/fntype as provided.
6094         (ix86_value_regno): Handle extra type argument.
6095         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6096
6097         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6098         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6099         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6100         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6101         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6102
6103 2005-07-14  Richard Guenther  <rguenther@suse.de>
6104
6105         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6106         * calls.c (expand_call): Pass fntype to hard_function_value.
6107         (emit_library_call_value_1): Likewise.
6108         * explow.c: Include target.h.
6109         (hard_function_value): Take extra argument, the fntype.
6110         Use new target hook for function_value.
6111         * expr.h (hard_function_value): Change prototype.
6112         * function.c (aggregate_value_p): Pass 0 as fntype to
6113         hard_function_value.
6114         (assign_parms): Use new target hook for function_value.
6115         Pass 0 as fntype to hard_function_value.
6116         (expand_function_end): Likewise.
6117         * reg-stack.c: Include target.h.
6118         (stack_result): Use new target hook for function_value.
6119         * target-def.h: New target hook function_value.
6120         * target.h: Likewise.
6121         * targhooks.c (default_function_value): New function.
6122         * targhooks.h (default_function_value): Declare.
6123
6124 2005-07-13  Ian Lance Taylor  <ian@airs.com>
6125
6126         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6127
6128 2005-07-14  Jan Hubicka  <jh@suse.cz>
6129
6130         * tree-dfa.c (dump_variable): Use default_def function.
6131         * tree-ssa-alias.c (dump_points_to_info): Likewise.
6132         * tree-ssa.c (verify_use): Likewise.
6133         * tree-ssanames.c (release_ssa_name): Likewise.
6134         * tree-tailcall.c (eliminate_tail_call): Likewise.
6135         (tree_optimize_tail_calls_1): Likewise.
6136         * tree-vrp.c (get_value_range): Likewise.
6137
6138 2005-07-14  Ben Elliston  <bje@au.ibm.com>
6139
6140         * gcc.c (main): Compare language[0] with '*' when iterating over
6141         the infiles.
6142
6143 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6144
6145         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6146         "s390_emit_compare".  Add handling of CCZ1mode.
6147         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6148         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6149         checking.
6150         (s390_branch_condition_mask): Add CCZ1mode handling.
6151         * config/s390/s390.md: ("seq", "*seq"): New pattern.
6152         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6153         Use CCZ1mode instead of CCZmode.
6154         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
6155
6156 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6157
6158         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6159         pattern.
6160         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6161
6162 2005-07-13  Eric Christopher  <echristo@redhat.com>
6163
6164         * config/mips/mips.c (mips_canonicalize_comparison): New.
6165         (mips_emit_int_relational): Use.
6166
6167 2005-07-13  Eric Christopher  <echristo@redhat.com>
6168
6169         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6170         static extra parts.
6171         * config/s390/s390.md: Include tpf.md. Move tpf specific
6172         patterns...
6173         * config/s390/tpf.md: To here.
6174         * config/s390/s390.opt: Move tpf specific options...
6175         * config/s390/tpf.opt: to here. Add mmain option.
6176         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6177         * config/s390/tpf.h: Rewrite.
6178
6179 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6180
6181         * doc/tm.texi: Remove @xref{Cross-profiling}.
6182
6183 2005-07-13  Jeff Law  <law@redhat.com>
6184
6185         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6186         expressions, test their _DECL operands for pointer equality rather
6187         than using operand_equal_p.
6188
6189 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6190
6191         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6192         (TARGET_POSIX_IO): This.
6193         * config/darwin.h: Likewise.
6194         * config/freebsd.h: Likewise.
6195         * config/linux.h: Likewise.
6196         * config/lynx.h: Likewise.
6197         * config/netbsd.h: Likewise.
6198         * config/rs6000/linux64.h: Likewise.
6199         * config/rs6000/linux.h: Likewise.
6200         * config/s390/tpf.h: Likewise.
6201         * config/sh/embed-elf.h: Likewise.
6202         * config/sparc/linux64.h: Likewise.
6203         * config/sparc/linux.h: Likewise.
6204         * config/svr4.h: Likewise.
6205         * gcov-io.h: Likewise.
6206
6207         * doc/tm.texi: Updated.
6208
6209         * libgcov.c (create_file_directory): Defined only if
6210         TARGET_POSIX_IO is defined.
6211         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6212         is defined.
6213
6214 2005-07-13  Jan Hubicka  <jh@suse.cz>
6215
6216         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6217
6218 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
6219
6220         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6221         structure as argument.
6222
6223 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
6224
6225         PR tree-optimization/21921
6226         * tree-iterator.c (tsi_link_before): Support the case when
6227         tsi_end_p (tsi) == true.
6228
6229 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6230
6231         PR tree-optimization/22442
6232         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6233         correctly.
6234
6235 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6236
6237         PR rtl-optimization/20376
6238         * toplev.c (process_options): Enable -fweb and -frename-registers when
6239         unrolling.
6240         * doc/invoke.texi: Update the information about when -fweb and
6241         -frename-registers are enabled.
6242
6243 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6244
6245         PR tree-opt/21840
6246         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6247         if *rhs_p is not a SSA_NAME.
6248
6249 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
6250
6251         Fix PR tree-optimization/22422
6252         * tree-ssa-structalias.c (struct variable_info): Add flag for
6253         special vars.
6254         (get_varinfo): Now a static function.
6255         (new_varinfo): init has_union and is_special_var to false.
6256         (solution_set_add): Check has_union.
6257         (do_da_constraint): Move temporary variable so it gets reset
6258         properly.
6259         Also check for special variable.
6260         (do_ds_constraint): Ditto.
6261         (do_sd_constraint): Ditto.
6262         (do_structure_copy): Check for special variable.
6263         (find_func_aliases): Ditto.
6264         (init_base_vars): Set special vars properly.
6265
6266 2005-07-13  Jan Hubicka  <jh@suse.cz>
6267
6268         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6269         do unit-at-a-time.
6270
6271         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6272         (get_expr_operands): Fix thinko wrt flags and subvars.
6273
6274         PR tree-optimize/22379
6275         * tree-inline.c (expand_call_inline): Do not output sorry in early
6276         inlining.
6277
6278 2005-07-12  Dale Johannesen  <dalej@apple.com>
6279
6280         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
6281
6282 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6283
6284         PR bootstrap/21704
6285         * host-linux.h: Include limits.h.
6286
6287 2005-07-12  Dale Johannesen  <dalej@apple.com>
6288
6289         * expr.c (compress_float_constant):  Add cost check.
6290         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
6291
6292 2005-07-12  Dale Johannesen  <dalej@apple.com>
6293
6294         * gcc.target/i386/compress-float-sse.c:  New.
6295         * gcc.target/i386/compress-float-sse-pic.c:  New.
6296         * gcc.target/i386/compress-float-387.c:  New.
6297         * gcc.target/i386/compress-float-387-pic.c:  New.
6298         * gcc.dg/compress-float-ppc.c:  New.
6299         * gcc.dg/compress-float-ppc-pic.c:  New.
6300
6301 2005-07-12  Eric Christopher  <echristo@redhat.com>
6302
6303         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6304         static extra parts.
6305         * config/s390/s390.md: Include tpf.md. Move tpf specific
6306         patterns...
6307         * config/s390/tpf.md: To here.
6308         * config/s390/s390.opt: Move tpf specific options...
6309         * config/s390/tpf.opt: to here. Add mmain option.
6310         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6311         * config/s390/tpf.h: Rewrite.
6312
6313 2005-07-12  Eric Christopher  <echristo@redhat.com>
6314
6315         * gcc.c (struct infile): Update comment for language.
6316         (main): Rewrite input file resetting code.
6317
6318 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6319
6320         PR tree-opt/22335
6321         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6322         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
6323         (lookup_avail_expr): Use constant_boolean_node instead
6324         of boolean_false_node/boolean_true_node.
6325
6326 2005-07-12  Ben Elliston  <bje@au.ibm.com>
6327
6328         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6329         and use it when printing num_edges.
6330
6331 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6332
6333         * doc/extend.texi (Blackfin Built-in Functions): New section.
6334         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6335         @opindex.
6336
6337 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
6338
6339         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6340         s/cmpstrsi/cmpstrnsi
6341         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6342         'cmpstrnsi'.
6343         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6344         (init_optabs): Initialize cmpstrn_optab.
6345         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6346         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6347         * expr.c: (enum insn_code cmpstrn_optab): Declare.
6348         * config/i386/i386.md: s/cmpstr/cmpstrn
6349         * config/c4x/c4x.md: s/cmpstr/cmpstrn
6350         * doc/md.texi: Update documentation.
6351
6352 2005-07-11  Richard Henderson  <rth@redhat.com>
6353
6354         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6355         build_va_arg_indirect_ref.
6356         (alpha_gimplify_va_arg): Likewise.
6357         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6358         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6359         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6360         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6361         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6362         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6363         Likewise.
6364         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6365
6366 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6367
6368         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6369         * passes.c (init_optimization_passes): Add pass_empty_loop.
6370         * tree-pass.h (pass_empty_loop): Declare.
6371         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6372         try_remove_empty_loop, remove_empty_loops): New functions.
6373         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6374         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6375
6376 2005-07-12  Peter Barada  <peter@the-baradas.com>
6377
6378         PR middle-end/16719
6379         PR middle-end/18421
6380         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6381         in address registers.
6382         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6383         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6384         alternative of addsi3_5200.
6385
6386 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6387
6388         * config/mips/mips.md (ffs<mode>2): Remove.
6389
6390 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6391
6392         * doc/tree-ssa.texi (Cleanups): Improve description of
6393         TRY_FINALLY_EXPR.
6394         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6395
6396 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6397
6398         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6399         * tree.h (DECL_ARGUMENT_FLD): New macro.
6400
6401 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6402
6403         Fix PR tree-optimization/22404
6404
6405         * tree-ssa-structalias.c (create_variable_info_for): Use
6406         correct offset.
6407
6408 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6409
6410         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6411         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6412         for second comparison operand.
6413         * config/bfin/predicates.md (reg_or_const_int_operand): New.
6414
6415         * config/bfin/bfin.md (define_attr "type"): Add "sync".
6416         (define_insn_reservation "alu"): Likewise.
6417         (csync, ssync): Now of type sync.
6418         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6419         -mcsync-anomaly -mspecld-anomaly.
6420         * config/bfin/bfin.opt (mcsync): Remove.
6421         (mcsync-anomaly, mspecld-anomaly): Add.
6422         * config/bfin/bfin.c: Include "insn-codes.h".
6423         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6424         (TARGET_DEFAULT_TARGET_FLAGS): New.
6425         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6426
6427 2005-07-11  Steven Bosscher  <stevenb@suse.de>
6428
6429         * basic-block.h: Give the BB flags enum a name, bb_flags.
6430         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6431         * cfgcleanup.c (enum bb_flags): Remove here.
6432         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6433         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6434         (update_forwarder_flag): Likewise.
6435         (thread_jump): Likewise.
6436         (try_forward_edges): Likewise.
6437         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
6438         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
6439         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6440
6441 2005-07-11  Richard Guenther  <rguenther@suse.de>
6442
6443         * config/i386/i386.opt: New target option -msseregparm.
6444         * config/i386/i386.c (override_options): Error out for
6445         -msseregparm but no SSE support.
6446         (ix86_function_sseregparm): Check for global sseregparm.
6447         * doc/invoke.texi: Document -msseregparm.
6448
6449 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6450
6451         * config.gcc (m32r-*-linux*): Use the default extra_parts.
6452         (m32rle-*-linux*): Ditto.
6453
6454 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
6455
6456         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6457         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6458         bytes.
6459
6460 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6461
6462         PR middle-end/22239
6463         PR target/20126
6464         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6465         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6466
6467 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
6468
6469         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6470         (varmap): Heapify varmap.
6471         (constraints): Heapify constraints.
6472         (struct constraint_graph): Heapify succs and preds.
6473         (constraint_vec_find): Update for heapification.
6474         (constraint_set_union): Ditto.
6475         (insert_into_complex): Ditto.
6476         (constraint_edge_vec_find): Ditto.
6477         (erase_graph_self_edge): Ditto.
6478         (add_graph_edge): Ditto.
6479         (get_graph_weights): Ditto.
6480         (merge_graph_nodes): Ditto.
6481         (build_constraint_graph): Ditto.
6482         (topo_visit): Ditto.
6483         (solve_graph): Ditto.
6484         (create_variable_info_for): Ditto.
6485         (init_base_vars): Ditto.
6486         (delete_points_to_sets): Free graph, varmap, and complex constraints.
6487         (condese_varmap_nodes): Free complex vector.
6488         (clear_edges_for_node): Clear succs and preds vector.
6489
6490 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6491
6492         * tree-ssa-structalias.c (update_alias_info): Change counting of
6493         references to not include vdefs.
6494
6495 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6496
6497         * tree-ssa-alias.c (free_used_part_map): Add missing free.
6498         (up_insert): Ditto.
6499
6500 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6501
6502         * pa.c (pa_commutative_p): Make PLUS commutative when
6503         TARGET_NO_SPACE_REGS is true.
6504
6505 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6506
6507         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6508         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6509         * tree-dfa.c (dump_subvars_for): New.
6510         (debug_subvars_for): New.
6511         (dump_variable): Show subvariables if VAR has them.
6512         * tree-flow-inline.h (get_subvar_at): New.
6513         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6514         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6515         Update all users.
6516         (struct subvar): Change fields offset and size to unsigned
6517         HOST_WIDE_INT.
6518         (dump_subvars_for): Declare.
6519         (debug_subvars_for): Declare.
6520         (get_subvar_at): Declare.
6521         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6522         to unsigned HOST_WIDE_INT *.
6523         (overlap_subvar): Likewise.
6524         * tree-gimple.c (is_gimple_reg): Always return false for
6525         SFTs and memory tags.
6526         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6527         Update all callers.
6528         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6529         (compute_may_aliases): Call compute_points_to_sets.
6530         (collect_points_to_info_for): Remove.
6531         (compute_points_to_and_addr_escape): Remove.
6532         (delete_alias_info): Call delete_points_to_sets.
6533         (compute_flow_sensitive_aliasing): If the call to
6534         find_what_p_points_to returns false, call set_pt_anything.
6535         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6536         (set_pt_anything): Clear pi->pt_vars.
6537         (set_pt_malloc): Remove.
6538         (merge_pointed_to_info): Remove.
6539         (add_pointed_to_expr): Remove.
6540         (add_pointed_to_var): Remove.
6541         (collect_points_to_info_r): Remove.
6542         (is_escape_site): Make extern.
6543         (create_sft): New.
6544         (create_overlap_variables_for): Call it.
6545         * tree-ssa-copy.c (merge_alias_info): Never merge
6546         flow-sensitive alias information.
6547         * tree-ssa-operands.c (get_expr_operands): Adjust variables
6548         offset and size to be unsigned HOST_WIDE_INT.
6549         (add_to_addressable_set): Rename from note_addressable.
6550         Set TREE_ADDRESSABLE as the variables are added to the set.
6551         Update all users.
6552         (add_stmt_operand): Do not try to micro-optimize unmodifiable
6553         operands into VUSEs when adding V_MAY_DEFs for members in an
6554         alias set.
6555         * tree-ssa-operands.h (add_to_addressable_set): Declare.
6556         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6557         (struct variable_info): Add bitfield is_heap_var.
6558         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6559         (new_var_info): Initialize is_heap_var.
6560         (get_constraint_for): Add HEAP variables to the symbol table.
6561         Mark them with is_heap_var.
6562         (update_alias_info): New.  Taken mostly from the old
6563         compute_points_to_and_addr_escape.
6564         (handle_ptr_arith): New.
6565         (find_func_aliases): Call update_alias_info.
6566         Call handle_ptr_info for tcc_binary expressions.
6567         Call mark_stmt_modified.
6568         (create_variable_info_for): If DECL has subvars, do not create
6569         variables for its subvars.  Always add all the fields.
6570         (set_uids_in_ptset): If the solution includes ANYOFFSET and
6571         SFTs, then add all the SFTs of the structure.
6572         If VI->DECL is an aggregate with subvariables, add the SFT at
6573         VI->OFFSET.
6574         (find_what_p_points_to): If VI is an artificial variable,
6575         translate to bitfields in SSA_NAME_PTR_INFO.
6576         If the solution is empty, set pi->pt_vars to NULL
6577         (init_base_vars): Create ANYOFFSET.
6578         (compute_points_to_sets): Rename from create_alias_vars.
6579         Make extern.
6580         (pass_build_pta): Remove.
6581         (delete_points_to_sets): Rename from delete_alias_vars.
6582         (pass_del_pta): Remove.
6583         * tree-ssa-structalias.h (struct alias_info): Move from
6584         tree-ssa-alias.h.
6585         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6586         NUM_REFERENCES_SET): Likewise.
6587         (compute_points_to_sets, delete_points_to_sets): Declare.
6588
6589 2005-07-09  Richard Henderson  <rth@redhat.com>
6590
6591         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6592         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6593         alpha_split_lock_test_and_set_12): New functions.
6594         * config/alpha/alpha-protos.h: Update.
6595         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6596         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6597         * config/alpha/sync.md (I12MODE): New.
6598         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6599         (sync_<fetchop_name><I48MODE>): Likewise.
6600         (sync_nand<I48MODE>): Likewise.
6601         (sync_old_<fetchop_name><I48MODE>): Likewise.
6602         (sync_new_<fetchop_name><I48MODE>): Likewise.
6603         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6604         (sync_compare_and_swap<I48MODE>): Likewise.
6605         (sync_lock_test_and_set<I48MODE>): Likewise.
6606         (sync_compare_and_swap<I12MODE>): New.
6607         (sync_compare_and_swap<I12MODE>_1): New.
6608         (sync_lock_test_and_set<I12MODE>): New.
6609         (sync_lock_test_and_set<I12MODE>_1): New.
6610
6611 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6612
6613         PR 21356
6614         PR 22332
6615         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6616
6617 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
6618
6619         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6620         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6621
6622 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6623
6624         PR target/21656
6625         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6626
6627 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6628
6629         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6630         memory_operand constraint.
6631         (store_conditional_<mode>): Same.
6632         (sync_compare_and_swap<mode>): Same.
6633         (sync_lock_test_and_set<mode>): Same.
6634
6635 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6636
6637         Rewrite PIC support to more closely model actual instructions.
6638         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6639         (cris_symbol): Remove prototypes for removed functions.
6640         (cris_pic_symbol_type_of, cris_valid_pic_const)
6641         (cris_expand_pic_call_address): Prototypes for new functions.
6642         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6643         variable.
6644         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6645         modifiers.
6646         <case ':'>: Add case for new punctuation character.
6647         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6648         emitting (extra) PIC modifier.
6649         <case UNSPEC>: Do not assert for PLT.
6650         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6651         (cris_expand_prologue, cris_expand_epilogue): Check
6652         for pic_offset_table_rtx usage instead of taking
6653         current_function_uses_pic_offset_table as the final word.
6654         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6655         Remove flag_pic difference.
6656         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6657         the moral equivalents of...
6658         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6659         functions.
6660         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6661         (cris_handle_option): Mark ARG as unused.
6662         (cris_expand_pic_call_address): New worker function for "call",
6663         "call_value".
6664         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6665         output PIC constructs here.
6666         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6667         as symbol-specific modifers, not whole or part of operands.
6668         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6669         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6670         constants and flag_pic.
6671         (CONSTANT_INDEX_P): Adjust for new functions.
6672         (enum cris_pic_symbol_type): New helper type.
6673         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6674         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6675         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6676         define_constants.
6677         ("movsi"): Emit actual instructions for GOT and relative access.
6678         ("*movsi_got_load"): New pattern to set up the register holding
6679         the GOT pointer.
6680         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6681         Adjust FIXME for 'S'.
6682         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6683         Use "movs" for -fpic cases.
6684         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6685         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6686         ("call", "call_value"): Just call cris_expand_pic_call_address for
6687         PIC addresses.
6688         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6689         Remove special pattern.
6690         ("*expanded_call_side", "*expanded_call_value_side"): New
6691         patterns.
6692         (gotplt-to-plt, gotplt-to-plt-side-call)
6693         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6694         peephole2:s.
6695         * config/cris/cris/predicates.md
6696         ("cris_general_operand_or_gotless_symbol"): Remove unused
6697         predicate.
6698         ("cris_general_operand_or_symbol"): Adjust for new functions.
6699
6700 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6701
6702         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6703
6704 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6705
6706         * Makefile.in (TREE_H): Add treestruct.def.
6707         (c-decl.o): Add pointer-set.h
6708         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6709         visibility on regular DECL's.
6710         (merge_decls): Fix the copying of decl nodes of various types for
6711         the new structures.  Don't update RTL, section name, weak status,
6712         etc, on DECL's without RTL.
6713         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6714         Don't check volatile on non-variable types.
6715         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6716         to check whether we have seen arguments.
6717         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6718         flag is checked before field (flag is common, field is not).
6719         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6720         TS_DECL_COMMON could have an origin.
6721         (add_location_or_const_value_attribute): Don't check section name
6722         on non-var/function decls.
6723         (dwarf2out_var_location): Reverse order of tests.
6724         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6725         with DECL_WRTL_CHECK.
6726         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6727         * fold-const.c (fold_binary): Don't check weakness on
6728         non-var/function decls.
6729         (tree_expr_nonzero_p): Ditto.
6730         (fold_checksum_tree): Use tree_decl_extra as sizeof
6731         buffer.
6732         * ggc-page.c (extra_order_size_table): Add sizes for
6733         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6734         tree_field_decl.
6735         * gimplify.c (gimplify_bind_expr): Only set
6736         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6737         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6738         without RTL.
6739         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6740         * langhooks.h (init_ts). New langhook.
6741         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6742         * print-tree.c (print_node): Update to only print fields that
6743         exist in the structures the passed decl has.
6744         * toplev.c (wrapup_global_declarations): Don't reset
6745         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6746         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6747         * tree-inline.c (remap_decl): Ditto.
6748         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6749         * tree-pretty-print.c (print_declaration): Don't print
6750         DECL_REGISTER on things that don't contain it.
6751         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6752         non-var/function decls.
6753         * tree.c (tree_contains_struct): New structure.
6754         (init_priority_for_decl): New hashtable.
6755         (tree_int_map): New structure.
6756         (tree_int_map_eq): New function.
6757         (tree_int_map_marked_p): Ditto.
6758         (tree_int_map_hash): Ditto.
6759         (tree_map): Move to tree.h.
6760         (tree_map_eq): Externalize.
6761         (tree_map_hash): Ditto.
6762         (tree_map_marked_p): Ditto.
6763         (init_ttree): Set up tree_contains_struct and call langhook.
6764         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6765         (tree_code_size): Update for new structures.
6766         (tree_node_structure): Update for new structures.
6767         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6768         without the field.
6769         (copy_node_stat):  Copy init priority.
6770         (build_decl_stat): Ditto for visibility.
6771         (ts_enum_names): New.
6772         (tree_contains_struct_check_failed): New function.
6773         (decl_init_priority_lookup): Ditto.
6774         (decl_init_priority_insert): Ditto.
6775         * treestruct.def: New file.
6776         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6777         (CONTAINS_STRUCT_CHECK): Ditto.
6778         (tree_contains_struct_check_failed): New prototype.
6779         (DECL_CHECK): Removed.
6780         (DECL_MINIMAL_CHECK): New.
6781         (DECL_COMMON_CHECK): Ditto.
6782         (DECL_WRTL_CHECK): Ditto.
6783         (DECL_NON_COMMON_CHECK): Ditto.
6784         (DECL_WITH_VIS_CHECK): Ditto.
6785         (VAR_OR_FUNCTION_DECL_P): Ditto
6786         (struct tree_decl_minimal): New structure.
6787         (struct tree_decl_common): Ditto.
6788         (struct tree_decl_with_rtl): Ditto.
6789         (struct tree_decl_with_vis): Ditto.
6790         (struct tree_decl_non_common): Ditto.
6791         (struct tree_field_decl): Ditto.
6792         (struct tree_parm_decl): Ditto.
6793         (struct tree_var_decl): Ditto.
6794         (struct tree_function_decl): Ditto.
6795         (struct tree_const_decl): Ditto.
6796         (struct tree_result_decl): Ditto.
6797         (union tree_node): Add new structures.
6798         * var-tracking.c (track_expr_p): Reverse order of tests.
6799
6800         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6801
6802 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6803
6804         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6805         * system.h: Poison FINALIZE_PIC.
6806         * doc/tm.texi (FINALIZE_PIC): Remove.
6807
6808 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6809
6810         PR tree-opt/22329
6811         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6812         to the correct type if we have a MODIFY_EXPR.
6813
6814 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6815
6816         PR tree-optimization/22360
6817         * tree.c (upper_bound_in_type): Fix calculations for casting
6818         to a non-wider signed type and casting a signed value to a
6819         wider unsigned type.
6820         (lower_bound_in_type): Fix calculations for casting to a
6821         non-wider signed type.
6822
6823         PR tree-optimization/20139
6824         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6825         release_defs.
6826         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6827         fold_cond_expr_cond.
6828         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6829         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6830
6831 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6832
6833         PR tree-opt/22356
6834         * tree-complex.c (expand_complex_libcall): Produce
6835         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6836
6837 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6838
6839         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6840         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6841         b" assert and inserted fastpath code for this case.
6842         (bitmap_ior): Removed "a != b" assert.
6843
6844 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6845
6846         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6847         (ENDFILE_SPEC): Likewise.
6848         * config/m32r/m32r.h (ASM_SPEC): Likewise.
6849
6850         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6851         a large stack frame at epilogue.
6852
6853 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
6854
6855         * final.c: Include sdbout.h when required.
6856
6857 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
6858
6859         * config.gcc (*-*-darwin*): Only one target-specific header file
6860         for generic darwin.
6861         (powerpc-*-darwin*): Add version-specific header files.
6862         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6863         * config.in: Regenerate.
6864         * configure: Regenerate.
6865         * gcc.c: Include xregex.h.
6866         (version_compare_spec_function): New.
6867         (spec_function): Add version-compare.
6868         (replace_outfile_spec_function): Reformat comment.
6869         (compare_version_strings): New.
6870         * config/darwin-c.c (version_as_macro): New.
6871         (builtin_define): New.
6872         (darwin_cpp_builtins): New.
6873         * config/darwin-protos.h (darwin_cpp_builtins): New.
6874         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6875         (LIB_SPEC): Make unconditional, update comment.
6876         (TARGET_C99_FUNCTIONS): Define.
6877         * config/darwin.opt: Sort.
6878         (mmacosx-version-min=): New.
6879         * config/darwin7.h: Delete.
6880         * config/darwin8.h: Delete.
6881         * config/i386/darwin.h (): Call darwin_cpp_builtins.
6882         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6883         (TARGET_C99_FUNCTIONS): Define.
6884         * config/rs6000/darwin7.h: New.
6885         * config/rs6000/darwin8.h: New.
6886         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6887         (-mmacosx-version-min): Document.
6888
6889 2005-07-07  Ian Lance Taylor  <ian@airs.com>
6890
6891         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6892
6893 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
6894
6895         PR middle-end/22239
6896         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6897
6898 2005-07-07  Khem Raj  <kraj@mvista.com>
6899
6900         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6901         in bytes, not words.
6902
6903 2005-07-07  Paul Brook  <paul@codesourcery.com>
6904
6905         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6906         DEFAULT_FUNCTION_ARG_PADDING to upward.
6907
6908 2005-07-07  Richard Henderson  <rth@redhat.com>
6909
6910         * function.c (locate_and_pad_parm): Record parameter alignment in
6911         stack_alignment_needed.
6912
6913 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
6914
6915         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6916         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6917         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6918         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6919         (define_attr "type"): Add isync, sync, load_l, store_c.
6920         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6921         Create scratch volatile MEM.
6922         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
6923         sync.
6924         (load_locked_<mode>): New.
6925         (store_conditional_<mode>): New.
6926         (sync_compare_and_swap<mode>): Replace with splitter.
6927         (sync_lock_test_and_set<mode>): Replace with splitter.
6928         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6929         and UNSPECV_ISYNC.
6930         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
6931         is ics.  Attribute isync.
6932         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
6933         lwsync.
6934         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6935         and UNSPECV_SYNC_OP.
6936         (emit_unlikely_jump): New.
6937         (emit_load_locked): New.
6938         (emit_store_conditional): New.
6939         (rs6000_split_compare_and_swap): New.
6940         (rs6000_split_lock_test_and_set): New.
6941         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6942         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6943         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6944         rs6000_split_lock_test_and_set): Declare.
6945         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6946         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6947         store_c, isync, sync.
6948
6949 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
6950
6951         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6952         filenames to gtyp-gen.h.
6953         (s-typ-gen): Use it in place of for loops.
6954
6955 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
6956
6957         * hooks.c (hook_bool_rtx_int_false): New function.
6958         * hooks.h (hook_bool_rtx_int_false): Declare.
6959         * target-def.h (TARGET_COMMUTATIVE_P): Define.
6960         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6961         * target.h (struct gcc_target): Add commutative_p member.
6962         * targhooks.c (hook_bool_rtx_commutative_p): New function.
6963         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6964         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6965         (pa_commutative_p): New function.
6966         * jump.c (target.h): Include.
6967         (rtx_renumbered_equal_p): Use targetm.commutative_p.
6968         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6969
6970 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6971
6972         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6973         (s390_expand_setmem): New.
6974         * config/s390/s390.c: Likewise.
6975         (print_shift_count_operand): Truncate to 12 bits instead of 6.
6976         Adapt comments.
6977         * config/s390/s390.md: ("setmem<mode>"): Accept character as
6978         general_operand.  Call new function "s390_expand_setmem".
6979         ("clrmem_long", "*clrmem_long"): Rewrite to ...
6980         ("setmem_long", "*setmem_long"): ... this.
6981
6982 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6983
6984         * config/s390/s390.c: (optimization_options): Enable
6985         TARGET_MVCLE at -Os.
6986         * doc/invoke.texi: Document changes in default behaviour.
6987         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6988
6989 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6990
6991         * expr.c: (set_storage_via_setmem): Convert opchar to mode
6992         defined by back-end.
6993
6994 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
6995
6996         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6997         all sets in the pattern.
6998         * config/rs6000/rs6000.md (stack_protect_testsi,
6999         stack_protect_testdi): Likewise.
7000
7001 2005-07-06  Jeff Law  <law@redhat.com>
7002
7003         * tree-vrp.c (simplify_using_ranges): Kill.
7004         (vrp_finalize): Remove call to simplify_using_ranges.
7005         (simplify_stmt_using_ranges): New function extracted from
7006         simplify_using_ranges.
7007         (simplify_div_or_mod_using_ranges): Likewise.
7008         (simplify_abs_using_ranges): Likewise.
7009         (simplify_cond_using_ranges): New function.
7010         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7011         * tree-ssa-propagate.c (substitute_and_fold): Call
7012         simplify_stmt_using_ranges if we have range information.
7013
7014 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
7015
7016         * config/ia64/ia64.c (ia64_reorg): Check optimize before
7017         ia64_flag_schedule_isns2.
7018
7019         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7020         reading/writing general registers.
7021         (ia64_function_arg): Revert 2005-06-18 change.
7022
7023 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7024
7025         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7026         (legitimize_tls_address): Use gcc_unreachable instead of abort.
7027
7028 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
7029
7030         * function.c (expand_function_end): Revert part of 2005-06-27
7031         patch.  Do sjlj_emit_function_exit_after after return_label.
7032
7033 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7034
7035         * doc/install.texi (--disable-libssp): New.
7036
7037 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
7038
7039         * doc/invoke.texi: Update -fforce-mem documentation.
7040         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7041         code for -fforce-mem.
7042         * expmed.c: (store_bit_field,store_fixed_bit_field,
7043         extract_bit_field): Ditto.
7044         * expr.c: (convert_move): Ditto.
7045         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7046         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7047         emit_conditional_add,expand_float,expand_fix): Ditto.
7048         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7049         (common_handle_option): Issue warning when -fforce-mem specified.
7050
7051 2005-07-06  Paul Brook  <paul@codesourcery.com>
7052
7053         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7054         argument is empty.
7055         * configure: Regenerate.
7056
7057 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
7058
7059         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7060
7061 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
7062
7063         Fix PR tree-optimization/22319
7064         Fix PR tree-optimization/22140
7065         Fix PR tree-optimization/22310
7066
7067         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7068         variable sized types.
7069         Use correct type for intermediate structure on *a = *b structure
7070         copies.
7071
7072 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7073
7074         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7075         Remove.
7076         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7077         (machine_function): Move typedef to...
7078         * config/rs6000/rs6000.c (machine_function): ... here.  Add
7079         varargs_save_offset field.
7080         (rs6000_stack_t): Remove varargs_size field.
7081         (setup_incoming_varargs): Allocate varargs save area using
7082         assign_stack_local, try to make it as small as possible.
7083         Save offset from virtual_stack_vars_rtx to the save area
7084         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
7085         instead of magic 8 when fp word byte size is used.
7086         (rs6000_va_start): Use cfun->machine->varargs_save_offset
7087         instead of -RS6000_VARARGS_SIZE.
7088         (rs6000_stack_info, debug_stack_info,
7089         rs6000_initial_elimination_offset): Remove all traces of
7090         varargs_size.
7091         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7092         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7093         RS6000_VARARGS_AREA.
7094
7095 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
7096
7097         PR tree-optimization/21963
7098         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7099         constant_multiple_of in the same way get_computation_cost_at does.
7100
7101 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7102
7103         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7104         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7105         (gen_compare_reg): If sparc_compare_emitted is set, clear it
7106         and return its previous value.
7107         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7108         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7109         constants.
7110         (stack_protect_set, stack_protect_test): New expanders.
7111         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7112         stack_protect_testdi): New insns.
7113         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7114         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7115
7116 2005-07-06  Jeff Law  <law@redhat.com>
7117
7118         * tree-ssa-dce.c (cfg_altered): New global.
7119         (tree_dce_init): Initialize cfg_altered.
7120         (remove_dead_stmt): If we remove an edge in the CFG, then set
7121         CFG_ALTERED.
7122         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7123         the dominators.
7124
7125 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7126
7127         * Makefile.in (stamp-collect-ld): Use
7128         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
7129         ./collect-ld if it already exists.
7130         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7131         Don't remove ./nm if it already exists.
7132
7133 2005-07-05  Devang Patel  <dpatel@apple.com>
7134
7135         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7136         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7137         * tree-vectorizer.c (vect_loop_location): New.
7138         (vect_print_dump_info): Use vect_loop_location.
7139         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7140         (vectorize_loops): Set vect_loop_location.
7141         * tree-vect-analyze.c (vect_analyze_offset_expr,
7142         vect_determin_vectorization_factor, vect_analyze_operations,
7143         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7144         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7145         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7146         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7147         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7148         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7149         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7150         vect_analyze_loop): Adjust vect_print_dump_info API.
7151         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7152         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7153         vect_finish_stmt_generation, vectorizable_assignment,
7154         vectorizable_operation, vectorizable_store, vectorizable_load,
7155         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7156         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7157         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7158         vect_transform_loop): Same.
7159         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7160         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7161         Same.
7162
7163 2005-07-05  Randolph Chung  <tausq@debian.org>
7164
7165         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7166         * configure: Regenerate.
7167         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7168         (pa_tls_referenced_p): Declare.
7169         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7170         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7171         (legitimize_tls_address): New.
7172         (hppa_legitimize_address): Handle TLS addresses.
7173         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7174         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7175         (emit_move_sequence): Handle TLS addresses.
7176         (pa_encode_section_info): Call default handler to handle common
7177         sections.
7178         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7179         (CONSTANT_ADDRESS_P): Reject TLS operands.
7180         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7181         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7182         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7183         (UNSPEC_TLSLE): Define new constants.
7184         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7185         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7186         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7187         (tie_symbolic_operand, tle_symbolic_operand): New
7188
7189 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
7190
7191         * aclocal.m4: Update macros for autoconf 2.59 style.
7192         * configure.ac: Likewise.
7193
7194 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7195
7196         * pa.c (function_value): Handle small aggregates on 32-bit targets.
7197         (function_arg): Pass small aggregates in general registers on 32-bit
7198         targets.
7199         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7200
7201 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
7202
7203         * Makefile.in (final.o): Fix dependencies.
7204
7205 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7206
7207         PR c/22013
7208         PR c/22098
7209         * langhooks.h (struct lang_hooks): Add expr_to_decl.
7210         * langhooks.c (lhd_expr_to_decl): New.
7211         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7212         New.
7213         (LANG_HOOKS_INITIALIZER): Update.
7214         * tree.c (recompute_tree_invarant_for_addr_expr): Call
7215         expr_to_decl langhook.
7216         * c-tree.h (c_expr_to_decl): Declare.
7217         * c-typeck.c (c_expr_to_decl): New.
7218         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7219         specially.
7220         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7221
7222 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7223
7224         PR c/22308
7225         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7226         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7227
7228 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
7229
7230         * Makefile.in: Adjust dependencies.
7231         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7232         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7233         * alias.c (rest_of_handle_cfg, pass_cfg): New.
7234         * bb-reorder.c (duplicate_computed_gotos): Make it static.
7235         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7236         rest_of_compilation.
7237
7238         * bb-reorder.c (gate_duplicate_computed_gotos,
7239         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7240         rest_of_handle_reorder_blocks, pass_reorder_blocks,
7241         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7242         pass_partition_blocks): New.
7243         * bt-load.c (gate_handle_branch_target_load_optimize,
7244         rest_of_handle_branch_target_load_optimize,
7245         pass_branch_target_load_optimize): New.
7246         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7247         pass_jump2): New.
7248         * cfglayout.c (pass_insn_locators_initialize): New.
7249         * cfgrtl.c (pass_free_cfg): New.
7250         * combine.c (gate_handle_combine, rest_of_handle_combine,
7251         pass_combine): New.
7252         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7253         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7254         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7255         * except.c (pass_set_nothrow_function_flags,
7256         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7257         pass_rtl_eh): New.
7258         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7259         rest_of_handle_shorten_branches, pass_shorten_branches,
7260         rest_of_clean_state, pass_clean_state): New.
7261         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7262         rest_of_handle_remove_death_notes, pass_remove_death_notes,
7263         rest_of_handle_life, pass_life, rest_of_handle_flow2,
7264         pass_flow2): New.
7265         * function.c (pass_instantiate_virtual_regs, pass_init_function,
7266         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7267         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7268         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7269         pass_gcse): New.
7270         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7271         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7272         pass_rtl_ifcvt, gate_handle_if_after_combine,
7273         rest_of_handle_if_after_combine, pass_if_after_combine,
7274         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7275         pass_if_after_reload): New.
7276         * integrate.c (pass_initial_value_sets): New.
7277         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7278         pass_purge_lineno_notes): New.
7279         * mode-switching.c (rest_of_handle_mode_switching,
7280         pass_mode_switching): New.
7281         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7282         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7283         pass_loop2): New.
7284         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7285         pass_loop_optimize): New.
7286         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7287         pass_sms): New.
7288         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7289         pass_gcse2): New.
7290         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7291         pass_postreload_cse): New.
7292         * profile.c (gate_handle_profiling, pass_profiling,
7293         rest_of_handle_branch_prob, pass_branch_prob): New.
7294         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7295         pass_split_before_regstack, gate_handle_split_before_regstack,
7296         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7297         rest_of_handle_split_all_insns, pass_split_all_insns): New.
7298         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7299         pass_stack_regs): New.
7300         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7301         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7302         pass_stack_adjustments): New.
7303         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7304         pass_regrename): New.
7305         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7306         pass_delay_slots, gate_handle_machine_reorg,
7307         rest_of_handle_machine_reorg, pass_machine_reorg): New.
7308         * rtl.h (extern void purge_line_number_notes): New.
7309         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7310         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7311         pass_sched2): New.
7312         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7313         pass_tracer): New.
7314         * value-prof.c (gate_handle_value_profile_transformations,
7315         rest_of_handle_value_profile_transformations,
7316         pass_value_profile_transformations): New.
7317         * var-tracking.c (gate_handle_var_tracking,
7318         pass_variable_tracking): New.
7319         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7320
7321         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7322         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7323         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7324         rest_of_handle_old_regalloc, rest_of_handle_regrename,
7325         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7326         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7327         rest_of_handle_gcse2, rest_of_handle_regmove,
7328         rest_of_handle_tracer, rest_of_handle_if_conversion,
7329         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7330         rest_of_handle_web, rest_of_handle_branch_prob,
7331         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7332         rest_of_handle_jump_bypass, rest_of_handle_combine,
7333         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7334         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7335         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7336         rest_of_handle_mode_switching, rest_of_handle_jump,
7337         rest_of_handle_eh, rest_of_handle_stack_adjustments,
7338         rest_of_handle_flow2, rest_of_handle_jump2,
7339         rest_of_handle_peephole2, rest_of_handle_postreload,
7340         rest_of_handle_shorten_branches, rest_of_clean_state,
7341         rest_of_compilation): Remove.
7342
7343         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7344         * passes.c (dump_flags, in_gimple_form, all_passes,
7345         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7346         register_dump_files, next_pass_1, last_verified, execute_todo,
7347         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7348         from tree-optimize.c.
7349         (init_optimization_passes): Moved from tree-optimize.c,
7350         adding the RTL optimizations.
7351         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7352         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7353         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7354         register_dump_files, next_pass_1, last_verified, execute_todo,
7355         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7356         init_tree_optimization_passes, ipa_passes): Delete.
7357         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7358         the RTL dumps.
7359         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7360         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7361         from tree.h.
7362         (ipa_passes): Remove.
7363         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7364         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7365         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7366         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7367         (dump_info_p, dump_flag): Moved to tree-dump.h.
7368
7369         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7370         cgraph.c, opts.c.
7371         * passes.c (finish_optimization_passes): Use dump_begin
7372         and dump_end, TDI_end.
7373         (gate_rest_of_compilation): New.
7374         (pass_rest_of_compilation): Use it.
7375         (gate_postreload, pass_postreload): New.
7376         * toplev.c (general_init): Rename init_tree_optimization_passes.
7377         * toplev.h (init_tree_optimization_passes): Rename to
7378         init_optimizations_passes.
7379         * tree-dump.c (dump_flag): Make static.
7380         (dump_files): Remove RTL dumps.
7381         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7382         pass_cleanup_cfg, pass_free_cfg_annotations,
7383         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7384         pass_init_datastructures, pass_fixup_cfg): Make non-static.
7385         * tree-pretty-print.c: Include tree-pass.h.
7386         * cgraph.c: Include tree-dump.h.
7387
7388 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7389
7390         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7391         Only fall back to saying it points to readonly memory if
7392         we can't do better.
7393
7394 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7395
7396         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7397         * config/m32r/m32r.c (m32r_compute_frame_size,
7398         m32r_expand_prologue): Take current_function_profile into
7399         account whenever we reference
7400         current_function_uses_pic_offset_table.
7401         (m32r_finalize_pic): Remove.
7402         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7403
7404 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
7405
7406         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7407         instead of $<.  Don't remove ./as if it already exists.
7408
7409 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7410
7411         PR target/21723
7412         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7413         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7414         for complex modes when generating code for PA 1.0.
7415         (VALID_FP_MODE_P): New macro.
7416         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7417         sets for all general and floating point modes.  Align wide floating
7418         point modes to even register boundaries to comply with architectural
7419         requirements.
7420         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7421         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7422         (VALID_FP_MODE_P): New macro.
7423         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7424         sets for all general and floating point modes.  Align wide floating
7425         point modes to even register boundaries to comply with architectural
7426         requirements.
7427
7428 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7429
7430         * tree-dump.c (dump_files): Initialize dump number for .cgraph
7431         to 0.
7432
7433 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7434
7435         * tree-ssa-structalias.c: Don't include expr.h.
7436
7437 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7438
7439         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7440         comments.
7441
7442 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7443
7444         Fix PR tree-optimization/22279
7445
7446         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7447         correct operator.
7448
7449 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
7450
7451         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7452
7453 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7454
7455         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7456         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7457         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7458         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7459         config/stormy16/stormy16.c, config/v850/v850.c,
7460         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7461         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7462         Avoid "." or "\n" at end of diagnostics and capital letters at
7463         start of diagnostics.
7464         * combine.c, cse.c: Don't translate dump file output.
7465         * toplev.c (print_version): Only translate output if going to
7466         stderr.
7467
7468 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7469
7470         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7471         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7472         typos.
7473
7474 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7475
7476         * pa.c (fix_range): Fix typo in comment.
7477
7478 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7479
7480         * tree-vrp.c (extract_range_from_assert): Replace
7481         fold (build (...)) with fold_build2.
7482
7483 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7484
7485         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7486         gcc_gfc_char_table, init_dynamic_gfc_info): New.
7487         (format_types_orig, handle_format_attribute): Add support for
7488         format "gcc_gfc".
7489
7490 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7491
7492         * varasm.c (assemble_variable): Fix format specifier thinko.
7493
7494 2005-07-03  Ira Rosen  <irar@il.ibm.com>
7495
7496         PR tree-optimization/22029 (and 22135)
7497         * tree-pretty-print.c (dump_generic_node): Check that the node is not
7498         a phi node before calling dump_vops.
7499
7500 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7501
7502         * tree-dump.h (dump_string_field): Declare.
7503         * tree-dump.c: Use it instead of dump_string.
7504         (dump_string_field): Make non-static.
7505
7506 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7507
7508         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7509         up the minimal CFG stuff always when optimize > 0.  Call
7510         split_all_insns_noflow in PIC case if needed.
7511
7512 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7513             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7514
7515         PR c++/18279
7516         * c-decl.c (c_write_global_declarations): Dump contents of
7517         external scope to.
7518         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7519         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7520         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7521         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7522         is enabled.
7523
7524 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7525
7526         * c-common.h (GCC_DIAG_STYLE): Define.
7527         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
7528         version for format checking to 4.1.
7529         * c-format.c: Include toplev.h after c-common.h.
7530         (enum format_type): Add gcc_tdiag_format_type.
7531         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7532         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7533         (format_types_orig): Add gcc_tdiag.
7534         (init_dynamic_diag_info): Support gcc_tdiag formats.
7535         (handle_format_attribute): Likewise.
7536         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7537         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
7538         version for format checking to 4.1.
7539         (warning0, warning, error, pedwarn, sorry): Use
7540         ATTRIBUTE_GCC_DIAG.
7541         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7542         (finish_aliases_1): Do not use %qE.
7543         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7544         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7545         Correct format bugs.
7546         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7547         parameter to unsigned HOST_WIDE_INT.
7548         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7549
7550 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
7551
7552         PR middle-end/21742
7553         * expr.c (write_complex_part): Use adjust_address for MEM.
7554         (read_complex_part): Same.
7555
7556 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
7557
7558         Fix PR tree-optimization/22280
7559
7560         * tree-sra.c (generate_element_init): Remove useless loop.
7561
7562 2005-07-02  Richard Henderson  <rth@redhat.com>
7563
7564         * config/alpha/alpha.c (alpha_legitimize_address): Check for
7565         TLS_MODEL_NONE.
7566         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7567
7568 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
7569
7570         PR middle-end/14490
7571         * fold-const.c (fold_binary): Handle the return value of
7572         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7573         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7574
7575 2005-07-02  Jeff Law  <law@redhat.com>
7576
7577         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7578         a eliminate type conversion which feeds an equality comparison
7579         if the original type or either operand in the comparison is a
7580         function pointer.
7581
7582 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
7583
7584         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7585         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7586         texts.
7587         * config/avr/avr.c: Do not use '`' as left quote.
7588         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7589         Remove "." from end of diagnostics.  Make diagnostics start with
7590         lowercase letter.
7591
7592 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
7593             Joseph S. Myers  <joseph@codesourcery.com>
7594
7595         * toplev.c (default_tree_printer): Handle setting location with
7596         '+' flag.
7597         * c-objc.common.c (c_tree_printer): Likewise.
7598         * c-format.c (gcc_diag_flag_specs): Add '+'.
7599         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7600         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7601         formats.
7602         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7603         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7604         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7605         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7606         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7607         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
7608         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
7609         format arguments where %J is used without %D.
7610
7611 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
7612
7613         * gcc.c (LINK_SSP_SPEC): Define.
7614         (link_ssp_spec): New variable.
7615         (LINK_COMMAND_SPEC): Add %(link_ssp).
7616         (static_specs): Add link_ssp_spec.
7617         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7618         * configure: Rebuilt.
7619         * config.in: Rebuilt.
7620
7621         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7622         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7623         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7624         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7625         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7626         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7627         -0x7008(2) instead of reading __stack_chk_guard variable.
7628         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7629         number.
7630         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7631         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7632         if TARGET_THREAD_SSP_OFFSET is defined.
7633         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7634         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7635
7636         Revert:
7637         2005-06-27  Richard Henderson  <rth@redhat.com>
7638         * libgcc-std.ver (GCC_4.1.0): New.
7639         * libgcc.h (__stack_chk_guard): Declare.
7640         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7641         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7642         * mklibgcc.in (lib2funcs): Add them.
7643
7644 2005-07-01  Richard Henderson  <rth@redhat.com>
7645
7646         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7647         void * before struct sigcontext *.
7648         (x86_fallback_frame_state): Likewise.
7649
7650 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7651
7652         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7653
7654 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7655
7656         PR tree-opt/22269
7657         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7658         we check for SSA_NAME for.
7659
7660 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7661
7662         Fix PR tree-optimization/22071
7663
7664         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7665         function.
7666         (get_constraint_for_component_ref): Use it.
7667
7668 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7669
7670         PR other/22264
7671         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7672         print out the last new line.
7673
7674 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7675
7676         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7677         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7678         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7679         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7680         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7681         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7682         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7683         (enum reg_class): New member CC0_REGS.
7684         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7685         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7686         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7687         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7688         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7689         Adjust for register now described.
7690
7691 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7692
7693         PR target/22262
7694         * config/i386/i386.md (stack_protect_test_si,
7695         stack_protect_test_di): Add earlyclobber for scratch 3.
7696         * config/rs6000/rs6000.md (stack_protect_testsi,
7697         stack_protect_testdi): Add earlyclobber for scratch 3,
7698         remove earlyclobber from scratch 4.
7699
7700 Older entries for 2005 can be found in ChangeLog-2005.