gcc/ChangeLog

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