gcc/ChangeLog

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