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