gcc/ChangeLog

   1 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
   2
   3         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
   4         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
   5         REG_ALWAYS_RETURN.
   6         * cfgrtl.c (need_fake_edge_p): Likewise.
   7         * combine.c (distribute_notes): Likewise.
   8         * emit-rtl.c (try_split): Likewise.
   9         * recog.c (peephole2_opimize): Likewise.
  10         * reg-notes.def (ALWAYS_RETURN): Remove.
  11         * rtl.h (LCT_ALWAYS_RETURN): Remove.
  12         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
  13         * tree.h (ECF_ALWAYS_RETURN): Remove.
  14
  15 2005-02-28  Roger Sayle  <roger@eyesopen.com>
  16
  17         PR middle-end/19874
  18         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
  19         between different machine modes is never a "useless" conversion.
  20
  21 2005-02-28  Geert Bosch  <bosch@gnat.com>
  22
  23         PR ada/15977
  24         * doc/contrib.texi: List contributors for Ada front end
  25
  26 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
  27
  28         * simplify-rtx.c (simplify_unary_operation_1,
  29         simplify_const_unary_operation): New, extracted from...
  30         (simplify_unary_operation): ... this one.
  31         (simplify_binary_operation_1,
  32         simplify_const_binary_operation): New, extracted from...
  33         (simplify_binary_operation): ... this one.
  34         * rtl.h (simplify_const_unary_operation,
  35         simplify_const_binary_operation): Add prototypes.
  36
  37 2005-02-28  Julian Brown  <julian@codesourcery.com>
  38
  39         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
  40         building libjava and caused PR regression/20228.
  41
  42 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
  43
  44         PR bootstrap/17383
  45         * Makefile.in (host_subdir): New.
  46         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
  47         * configure: Regenerate.
  48
  49 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
  50
  51         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
  52         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
  53         installation directory first.
  54
  55 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
  56
  57         PR target/19065.
  58         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
  59         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
  60         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
  61         * config/cris/cris.md: Tweak comments referring to Q.
  62         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
  63         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
  64         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
  65         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
  66         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
  67         Insert spaces in constraints to align alternatives vertically for
  68         readability.
  69         ("cmphi"): Ditto.  Add separate alternative for operand 0 "Q>",
  70         operand 1: "M".
  71
  72 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  73
  74         PR rtl-optimization/17728
  75         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
  76         operand 0 from general_operand to move_dest_operand.
  77
  78 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  79
  80         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
  81         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
  82         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
  83         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
  84
  85 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
  86
  87         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
  88         * configure: Regenerate.
  89         * libada-mk.in: Remove CC; rename
  90         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
  91
  92 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
  93
  94         PR tree-opt/20188
  95         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
  96         for the lhs, also walk over the tree.  Likewise for rhs.
  97
  98 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
  99
 100         * tree-ssa-dom.c (simple_iv_increment_p): New function.
 101         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
 102         Do not propagate value of iv before increment over the increment.
 103
 104 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
 105
 106         * c-parser.c: New file.
 107         * c-parse.in: Remove.
 108         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
 109         Remove.
 110         (c-parser.o): Add dependencies.
 111         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
 112         maintainer-clean, TAGS): Update.
 113         * c-config-lang.in (gtfiles): Update.
 114         * gengtype-lex.l: Don't handle "@@".
 115         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
 116         objc_build_synchronized, objc_begin_try_stmt,
 117         objc_begin_catch_clause, objc_finish_catch_clause,
 118         objc_build_finally_clause, objc_finish_try_stmt): New.
 119         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
 120         type_seen_p.
 121         (c_parse_init): Update comment.
 122         * c-decl.c (c_init_decl_processing): Update comment.
 123         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
 124         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
 125         new c_declspecs members.
 126
 127 2005-02-25  Julian Brown  <julian@codesourcery.com>
 128
 129         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 130         from being used for symbols with vague linkage when
 131         HAVE_GAS_COMDAT_GROUP is true.
 132
 133 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 134
 135         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
 136
 137 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
 138
 139         PR target/19930
 140         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
 141         (LIBGCC2_HAS_DF_MODE): New.
 142         (LIBGCC2_HAS_XF_MODE): New.
 143         (LIBGCC2_HAS_TF_MODE): New.
 144         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 145         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 146         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 147         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 148         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
 149         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
 150         and add _fixtfdi, _fixunstfdi, _floatditf
 151         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
 152         L_fixunstfdi, L_floatditf.
 153         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
 154         (LIBGCC2_HAS_TF_MODE): Define.
 155
 156 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
 157
 158         PR tree-optimization/20204
 159         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
 160         REWRITE_THIS_STMT markers on PHI nodes.
 161         (rewrite_initialize_block): Likewise.
 162
 163 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 164
 165         * version.c (version_string): Update to 4.1.
 166
 167 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
 168
 169         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
 170         Clarify that the alternative way doesn't work in GNU C++.
 171
 172 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
 173
 174         PR tree-optimization/19937
 175         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
 176         to the type of the induction variable.
 177
 178 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 179
 180         PR rtl-optimization/20117
 181         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
 182         the block including noncopyable insn.
 183
 184 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 185
 186         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
 187         calls to find_reg_note.
 188
 189 2005-02-24  Richard Henderson  <rth@redhat.com>
 190
 191         PR tree-opt/20127
 192         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
 193         the type.
 194
 195 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
 196
 197         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
 198         vector types if to use base reg for misaligned non-word ld/std.
 199
 200 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 201
 202         PR target/14619
 203         * config/cris/cris.c (cris_target_asm_function_prologue): Create
 204         dwarf2 label manually and put it after, not before the prologue.
 205
 206 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
 207
 208         PR target/19019
 209         * reload.c (operands_match_p): Only increment register number for
 210         SCALAR_INT_MODE_P modes in multiple hard registers.
 211
 212         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
 213         Fix formatting.
 214
 215 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 216
 217         * ChangeLog.5: Fix log message typo(s).
 218         * ChangeLog.7: Likewise.
 219         * ChangeLog.tree-ssa: Likewise.
 220         * cfgexpand.c: Fix comment typo(s).
 221         * conflict.c: Likewise.
 222         * defaults.h: Likewise.
 223         * dwarf2out.c: Likewise.
 224         * gcse.c: Likewise.
 225         * ggc-page.c: Likewise.
 226         * tree-eh.c: Likewise.
 227         * tree-ssa-dom.c: Likewise.
 228
 229 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
 230
 231         PR target/19019
 232         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
 233         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
 234         if SHARED is defined.
 235
 236         PR target/20196
 237         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
 238         allow splitting only if operands 0 and 3 don't overlap.
 239
 240 2005-02-24  Richard Henderson  <rth@redhat.com>
 241
 242         PR middle-end/19953
 243         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
 244         (fold_builtin_1): Call them.
 245         * fold-const.c (fold_complex_mult_parts): Split out from ...
 246         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
 247         (fold_complex_div_parts, fold_complex_div): New.
 248         (fold): Use them.
 249         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
 250
 251 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 252
 253         * tree-ssa-ccp.c (visit_assignment): Verify that result of
 254         VIEW_CONVERT_EXPR is_gimple_min_invariant.
 255
 256         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
 257         (print_node): Likewise.
 258         Print TYPE_SIZES_GIMPLIFIED.
 259
 260 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 261
 262         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
 263         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
 264         operands as commutative in constraints.
 265
 266 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
 267
 268         * tree-into-ssa.c: Re-organize internal functions.
 269
 270 2005-02-24  Richard Henderson  <rth@redhat.com>
 271
 272         PR middle-end/18902
 273         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
 274         for c99.
 275         * common.opt (fcx-limited-range): New.
 276         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
 277         * toplev.c (flag_complex_method): Initialize to 1.
 278         (process_options): Set flag_complex_method to 0 if
 279         flag_cx_limited_range.
 280         * doc/invoke.texi (-fcx-limited-range): New.
 281
 282 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 283
 284         * cse.c (delete_trivially_dead_insns): Speed up by using
 285         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
 286         prev_real_insn.
 287
 288 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
 289
 290         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
 291         functions when -mid-shared-library is being used.
 292
 293 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 294
 295         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
 296         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
 297         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
 298         * system.h: Poison LINK_LIBGCC_SPECIAL.
 299
 300 2005-02-23  James E Wilson  <wilson@specifixinc.com>
 301
 302         * gengtype.c (note_insn_name): Make 1 element larger.
 303
 304 2005-02-23  Roger Sayle  <roger@eyesopen.com>
 305
 306         PR target/20018
 307         PR rtl-optimization/20097
 308         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
 309         BImode SUBREGs of SImode registers which confuse the ia64 backend.
 310
 311 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
 312
 313         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
 314         * t-aix52 (SHLIB_INSTALL): Same.
 315
 316 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
 317
 318         * genpreds.c: Update copyright.
 319
 320 2005-02-23  Michael Beach  <michaelb@ieee.org>
 321
 322         PR target/20159
 323         * config/sparc/t-elf (startup files): Assemble with CPP.
 324
 325 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
 326
 327         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
 328         (write_predicate_expr): Likewise.
 329
 330 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 331
 332         PR tree-optimization/20100
 333         PR tree-optimization/20115
 334         * tree-optimize.c (init_tree_optimization_passes): Remove
 335         pass_maybe_create_global_var.
 336         * tree-pass.h (pass_maybe_create_global_var): Remove.
 337         * tree-ssa-alias.c (aliases_computed_p): Declare.
 338         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
 339         (count_calls_and_maybe_create_global_var): Remove.
 340         (pass_maybe_create_global_var): Remove.
 341         (init_alias_info): Do not declare aliases_computed_p.
 342         (maybe_create_global_var): If the function contains no
 343         call-clobbered variables and a mix of pure/const and regular
 344         function calls, create .GLOBAL_VAR.
 345         Mark all call-clobbered variables for renaming.
 346         (merge_pointed_to_info): Update comment.
 347         (add_pointed_to_var): Likewise.
 348         (is_escape_site): Likewise.
 349         Accept struct alias_info * instead of size_t *.
 350         Update all users.
 351         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
 352         as necessary.
 353         * tree-ssa-operands.c (get_call_expr_operands): If
 354         ALIASES_COMPUTED_P is false, do not add call-clobbering
 355         operands.
 356         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
 357         (delete_tree_ssa): Likewise.
 358
 359 2005-02-22  James E Wilson  <wilson@specifixinc.com>
 360
 361         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
 362         (do_compile): Do call it here.
 363
 364 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 365
 366         PR rtl-optimization/20017.
 367         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
 368         rest_of_handle_cse2, rest_of_handle_gcse): Call
 369         delete_dead_jumptables immediately before calling cleanup_cfg.
 370
 371 2005-02-22  Devang Patel  <dpatel@apple.com>
 372
 373         PR 19952
 374         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
 375         all labels
 376
 377 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
 378
 379         * config/rs6000/aix.h (WINT_TYPE): Define.
 380
 381 2005-02-22  Stan Shebs  <shebs@apple.com>
 382
 383         * config/rs6000/rs6000.c (rs6000_override_options): Default to
 384         natural alignment for 64-bit Darwin.
 385         (rs6000_parse_alignment_option): Warn about uses of -malign-power
 386         on 64-bit Darwin.
 387         * doc/invoke.texi: Document this.
 388
 389 2005-02-22  DJ Delorie  <dj@redhat.com>
 390
 391         * c-common.c (c_common_type_for_mode): Pass the mode's precision
 392         to make_[un]signed_type, not the mode itself.
 393
 394 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 395
 396         * cfg.c (cached_make_edge): Call make_edge if edge cache is
 397         not available.  Use tail calls wherever possible.
 398         (make_edge): Call unchecked_make_edge to create an edge.
 399
 400         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
 401         (coalesce_ssa_name): Don't check for
 402         SSANORM_USE_COALESCE_LIST.
 403         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
 404
 405 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 406
 407         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
 408         (rewrite_into_ssa): ... here.
 409
 410 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
 411
 412         PR tree-optimization/19786
 413         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
 414         tag to another's may-alias bitmap when adding to the other's list.
 415
 416 2005-02-21  DJ Delorie  <dj@redhat.com>
 417
 418         * tree-ssa-loop-ivopts.c (computation_cost): Start register
 419         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
 420         registers in unsupported ways.
 421         * expmed.c (init_expmed): Likewise.
 422
 423 2005-02-21  Stan Cox  <scox@redhat.com>
 424
 425         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
 426
 427 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 428
 429         * tree-cfg.c (fold_cond_expr_cond): New.
 430         (make_edges): Call fold_cond_expr_cond.
 431         (find_taken_edge): Accept nothing but INTEGER_CST.
 432         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
 433         and 1.
 434         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
 435
 436         * flow.c (delete_dead_jumptables): Speed up by scanning insns
 437         that do not belong to any basic block.
 438
 439 2005-02-21  Jeff Law  <law@redhat.com>
 440
 441         * cfganal.c (find_unreachable_blocks): Manually CSE load of
 442         e->dest.
 443
 444 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 445
 446         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
 447         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
 448         Adjust their definitions.
 449         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
 450         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
 451
 452         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
 453         genautomata.c, langhooks.c, langhooks.h, system.h,
 454         config/arm/lib1funcs.asm: Update copyright.
 455
 456 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
 457
 458         * dbxout.c (dbxout_function_end): Emit Lscope label always.
 459
 460 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
 461
 462         PR bootstrap/13770
 463         * doc/install.texi: Document --with-gc.
 464
 465 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
 466
 467         * simplify-rtx.c (simplify_unary_operation): Add a missing
 468         "break" statement.
 469
 470 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 471
 472         PR tree-optimization/18663
 473         * tree-ssa-dom.c (extract_range_from_cond): Return 0
 474         if the type has variable bounds.
 475
 476 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
 477
 478         * gcse.c: Remove an obsolete comment.
 479
 480         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
 481
 482 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
 483
 484         * doc/extend.texi (Function Attributes) <Attribute const>: The
 485         attribute "pure" is below this text, not above.
 486
 487 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 488
 489         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
 490         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
 491         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
 492
 493 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
 494
 495         PR 18785
 496         * langhooks.h (struct lang_hooks): Add to_target_charset.
 497         * langhooks.c (lhd_to_target_charset): New function.
 498         * langhooks-def.h: Declare lhd_to_target_charset.
 499         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
 500         (LANG_HOOKS_INITIALIZER): Update.
 501         * c-common.c (c_common_to_target_charset): New function.
 502         * c-common.h: Declare it.
 503         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
 504         c_common_to_target_charset.
 505
 506         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
 507         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
 508         Delete definitions.
 509         * system.h: Poison them.
 510         * doc/tm.texi: Don't discuss them.
 511         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
 512         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
 513         (pp_c_char): Do not attempt to generate letter escapes for
 514         newline, tab, etc.
 515         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
 516         * config/mips/mips.c (mips_output_ascii): Likewise.
 517
 518 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
 519
 520         PR tree-optimization/19951
 521         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
 522         is abnormal.
 523
 524 2005-02-19  Steven Bosscher  <stevenb@suse.de>
 525
 526         PR middle-end/19698
 527         * function.h (struct function): New field `max_loop_depth'.
 528         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
 529         (flow_loops_find): Reset the max loop depth count before finding loops.
 530         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
 531         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
 532         (calculate_global_regs_live): Make sure the loop will terminate
 533         when the initial sets are not empty.
 534
 535 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
 536
 537         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
 538         object inside.
 539         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
 540
 541 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
 542
 543         PR other/19525
 544         * doc/invoke.texi: Remove documentation of %M spec.
 545         * gcc.c: Likewise.
 546         (init_spec): Remove %M suffix from -lgcc_s.
 547         (do_spec_1): Remove 'M' case.
 548         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
 549         to put shared libraries in the multilib directory.  Remove the
 550         shlib_so_soname substitution variable.  Don't add a multilib encoding
 551         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
 552         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
 553         SHLIB_INSTALL as well as SHLIB_LINK.
 554         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
 555         (SHLIB_NAME): Delete.
 556         (SHLIB_DIR): New macro.
 557         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
 558         (SHLIB_INSTALL): Adjust accordingly.
 559         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
 560         * config/t-slibgcc-sld: Likewise.
 561         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
 562         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
 563         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
 564         in $(SHLIB_DIR).
 565         (SHLIBUNWIND_INSTALL): Adjust accordingly.
 566         * config/i386/t-nwld (SHLIB_SONAME): Delete.
 567         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
 568         Use @shlib_base_name@ instead of @shlib_so_name@.
 569         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
 570         and @shlib_base_name@.so in @multilib_dir@.
 571         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
 572         to the install path.
 573         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
 574         (SHLIB_LINK): Remove previous workaround.
 575         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
 576         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
 577         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
 578         the install path.
 579         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
 580         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
 581         (SHLIB_INSTALL): Adjust accordingly.
 582         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
 583         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
 584         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
 585         config/t-slibgcc-elf-ver.
 586
 587 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
 588             Jakub Jelinek  <jakub@redhat.com>
 589
 590         PR tree-optimization/19828
 591         * tree-ssa-loop-im.c: Add a TODO comment.
 592         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
 593         without side-effects.
 594
 595 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
 596
 597         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
 598         call fold_convert.
 599
 600 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
 601
 602         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
 603         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
 604         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
 605         functions.
 606         (ia64_reorg): Delete fixup_errata call.
 607         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
 608         (TARGET_SWITCHES): Delete -mb-step entry.
 609
 610 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
 611
 612         PR c/20043
 613         * c-typeck.c (composite_type): Handle quals in transparent unions.
 614         (type_lists_compatible_p): Likewise.
 615
 616 2005-02-18  Stan Shebs  <shebs@apple.com>
 617
 618         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
 619         expressions in the .literal8 section.
 620
 621 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
 622
 623         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
 624
 625 2005-02-18  Roger Sayle  <roger@eyesopen.com>
 626
 627         * fold-const.c (constant_boolean_node): Always create values of the
 628         specified type, don't bother calling truthvalue_conversion.
 629
 630 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 631
 632         * except.c (output_function_exception_table): Call
 633         assemble_external_libcall (eh_personality_libfunc).
 634
 635 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 636
 637         PR target/19886
 638         * config/ia64/ia64.h (struct machine_function): Add state_num.
 639         * config/ia64/ia64.c (process_epilogue,
 640         process_for_unwind_directive): Use new unwind state numbers each
 641         time rather than state 1.
 642
 643 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
 644
 645         PR target/20054
 646         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
 647         before the "*llgt_didi" pattern.
 648
 649 2005-02-18  Jason Merrill  <jason@redhat.com>
 650
 651         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
 652
 653 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
 654
 655         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
 656         (div0): Use it in place of ARM_FUNC_ALIAS.
 657         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
 658
 659 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
 660
 661         PR middle-end/20030
 662         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
 663         access, the lower bound of the array type if it exists.
 664
 665 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
 666
 667         PR c++/20008
 668         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
 669         cases that are out-of-range for the index type.
 670
 671 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
 672
 673         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
 674         (estimate_case_costs): Don't call convert.
 675         * expmed.c (expand_shift): Likewise.
 676         (make_tree): Call fold_convert instead of convert.
 677
 678 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
 679
 680         PR c++/19813
 681         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
 682         that ref to be marked MEM_READONLY_P doesn't have base that needs
 683         constructing.
 684
 685 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 686
 687         * genautomata.c (output_get_cpu_unit_code_func,
 688         output_cpu_unit_reservation_p): Don't generate old-style function
 689         definitions.
 690
 691 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
 692
 693         PR c++/20023
 694         PR tree-optimization/20009
 695         * convert.c (convert_to_integer): Revert 2005-02-16 change.
 696
 697         PR tree-optimization/18947
 698         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
 699         inline, remove all nodes that are inlined into the extern inline
 700         being redefined.
 701
 702 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
 703
 704         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
 705         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
 706         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
 707         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
 708         Update copyright.
 709
 710 2005-02-17  Roger Sayle  <roger@eyesopen.com>
 711
 712         PR tree-optimization/19917
 713         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
 714         to be potentially trapping.
 715
 716 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
 717
 718         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
 719
 720 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 721
 722         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
 723         tem becomes a local variable which is set to the value of the
 724         back end defined INITIAL_FRAME_ADDRESS macro.
 725         (expand_builtin_frame_address): Omit the base parameter to
 726         expand_builtin_return_addr.
 727         (expand_builtin_profile_func): Likewise.
 728         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
 729         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
 730         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
 731
 732 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
 733
 734         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
 735         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
 736         * config/frv/frv.c (frv_function_epilogue): Likewise.
 737
 738 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
 739
 740         * lambda-code (perfect_nestify): Remove mark/unmark
 741         for rewriting hack.
 742         * tree-loop-linear.c (linear_transform_loops): Add
 743         rewrite_into_ssa call so that ssa is correct for
 744         rewriting into loop closed.
 745
 746 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
 747
 748         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
 749         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
 750         BITMAP_FREE.
 751         * bt-load.c (btr_def_live_range, combine_btr_defs,
 752         migrate_btr_def, migrate_btr_defs): Likewise.
 753         * cfgcleanup.c (thread_jump): Likewise.
 754         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
 755         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
 756         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
 757         df_rd_local_compute, df_reg_info_compute): Likewise.
 758         * dominance.c (init_dom_info, free_dom_info): Likewise.
 759         * flow.c (init_propagate_block_info,
 760         free_propagate_block_info): Likewise.
 761         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
 762         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
 763         modify_reg_pav): Likewise.
 764         * loop-invariant.c (find_defs, find_invariant_insn,
 765         find_invariants, free_inv_motion_data): Likewise.
 766         * predict.c (tree_predict_by_opcode,
 767         estimate_bb_frequencies): Likewise.
 768         * stmt.c (expand_case): Likewise.
 769         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
 770         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
 771         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
 772         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
 773         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
 774         rewrite_ssa_into_ssa): Likewise.
 775         * tree-optimize.c (tree_rest_of_compilation): Likewise.
 776         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
 777         analyze_edges_for_bb, perform_edge_inserts): Likewise.
 778         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
 779         * tree-sra.c (tree_sra): Likewise.
 780         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
 781         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
 782         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
 783         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
 784         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
 785         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
 786         Likewise.
 787         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
 788         calculate_live_on_entry, calculate_live_on_exit,
 789         build_tree_conflict_graph): Likewise.
 790         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
 791         record_important_candidates, set_use_iv_cost, find_depends,
 792         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
 793         tree_ssa_iv_optimize_finalize): Likewise.
 794         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
 795         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
 796         tree_duplicate_loop_to_header_edge): Likewise.
 797         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
 798         * tree-ssa.c (verify_flow_insensitive_alias_info,
 799         verify_name_tags, verify_ssa, init_tree_ssa,
 800         delete_tree_ssa): Likewise.
 801         * tree-ssanames.c (marked_ssa_names, init_ssanames,
 802         fini_ssanames): Likewise.
 803         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
 804
 805 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
 806
 807         * config/rs6000/t-rtems: Completely reworked.
 808
 809 2005-02-17  Ira Rosen  <irar@il.ibm.com>
 810
 811         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
 812
 813 2005-02-17  Ira Rosen  <irar@il.ibm.com>
 814
 815         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
 816         POINTER_TYPE_P when checking that type is a pointer.
 817         (vect_get_memtag): Remove.
 818         (vect_address_analysis): Use POINTER_TYPE_P. Call
 819         vect_object_analysis with dummy parameter for memtag.
 820         (vect_object_analysis): Extract memtag (functionality that
 821         used to be in vect_get_memtag and moved here). Fix printings.
 822         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
 823         with correct parameters. Remove call to vect_get_memtag.
 824
 825 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
 826
 827         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
 828         (tree-vectorizer.o): Added missing dependencies.
 829
 830         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
 831         decleration.
 832         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
 833         declaration in tree-vectorizer.c, now has an extern declaration in
 834         tree-vectorizer.h).
 835         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 836         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
 837         get_vectype_for_scalar_type, vect_is_simple_use,
 838         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
 839         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
 840         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
 841         vectorizable_store, vectorizable_operation, vectorizable_assignment,
 842         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
 843         find_loop_location): Likewise.
 844
 845         * tree-vectorizer.c (langhooks.h): #include removed.
 846         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
 847         moved to tree-vectorized.h.
 848         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 849         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
 850         get_vectype_for_scalar_type, vect_is_simple_use,
 851         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
 852         vect_supportable_dr_alignment, new_loop_vec_info,
 853         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
 854         vect_set_verbosity_level, find_loop_location): Likewise.
 855
 856         (vect_analyze_loop): Function externalized. Declaration moved to
 857         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
 858         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
 859         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
 860         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
 861         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
 862         vect_enhance_data_refs_alignment, vect_analyze_operations,
 863         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
 864         vect_stmt_relevant_p, vect_get_loop_niters,
 865         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
 866         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
 867         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
 868         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
 869         vect_get_memtag): Likewise.
 870
 871         (vectorizable_load): Function externalized. Declaration moved to
 872         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
 873         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
 874         vect_transform_loop): Likewise.
 875         (vect_transform_stmt): Moved to tree-vect-transform.c.
 876         (vect_align_data_ref, vect_create_destination_var,
 877         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
 878         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
 879         vect_get_vec_def_for_operand, vect_init_vector,
 880         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
 881         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
 882         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
 883         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
 884         vect_do_peeling_for_loop_bound): Likewise.
 885
 886         * tree-vect-analyze.c: New file.
 887         * tree-vect-transform.c: New file.
 888
 889 2005-02-17  Jason Merrill  <jason@redhat.com>
 890
 891         PR mudflap/19319, c++/19317
 892         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
 893         slot explicit.
 894
 895 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
 896
 897         * doc/install.texi (Specific): Update link for Darwin-specific
 898         tool binary site.
 899
 900 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
 901
 902         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
 903         constant_boolean_node.
 904
 905 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
 906
 907         PR target/19019
 908         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
 909         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
 910
 911 2005-02-16  Richard Henderson  <rth@redhat.com>
 912
 913         PR 19920
 914         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
 915         with W_TYPE_SIZE.
 916         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
 917         replace uses with Wtype_MAXp1_F.
 918         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
 919         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
 920         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
 921         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
 922         and HAVE_TFMODE as appropriate.
 923         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
 924         (__floatdisf): Likewise.
 925         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
 926         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
 927         (Wtype_MAXp1_F): New.
 928         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
 929         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
 930
 931 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
 932
 933         * PR target/19162
 934         * arm.c (arm_apply_result_size): New function.
 935         * arm.h (APPLY_RESULT_SIZE): Define.
 936         * arm-protos.h (arm_apply_result_size): Add prototype.
 937         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
 938         (movxf): New expand.
 939         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
 940         (call_value_symbol): Remove predicate for operand 0.
 941         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
 942         (untyped_call): Rework to correclty return values for any type.
 943         (untyped_return): New expand.
 944         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
 945
 946 2005-02-16  Stan Shebs  <shebs@apple.com>
 947
 948         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
 949         * config/rs6000/t-darwin8: New, for 64-bit multilib.
 950
 951 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
 952
 953         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
 954         configure settings on Solaris 7 and later.
 955
 956 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
 957
 958         PR tree-optimization/19865
 959         * tree-optimize.c (init_tree_optimization_passes): Run
 960         pass_may_alias after pass_sra.
 961
 962 2005-02-16  Richard Henderson  <rth@redhat.com>
 963             Stuart Hastings  <stuart@apple.com>
 964
 965         PR debug/19521
 966         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
 967         Do nothing if debug info suppressed for this function.
 968         (dbxout_begin_function): Early exit if debug info suppressed for
 969         this function.
 970
 971 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
 972
 973         PR target/20007
 974         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
 975         find_basic_blocks.
 976         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 977
 978         PR tree-optimization/19967
 979         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
 980         expand_builtin_strchr, expand_builtin_strrchr): Take a new
 981         argument TYPE.  Adjust calls to fold_builtin_XXX.
 982         (expand_builtin, fold_builtin_1): Adjust calls to
 983         expand_builtin_XXX.
 984         (fold_builtin_strchr, fold_builtin_strpbrk,
 985         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
 986         result to a requested type TYPE.
 987
 988 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
 989
 990         PR middle-end/19857
 991         * fold-const.c (fold): Don't optimize (T)(x & cst) to
 992         (T)x & (T)cst if (T)cst overflows.
 993         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
 994         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
 995
 996 2005-02-15  Jeff Law  <law@redhat.com>
 997
 998         * gcse.c (blocks_with_calls): New bitmap.
 999         (alloc_gcse_mem): Allocate it.
1000         (free_gcse_mem): Free it.
1001         (clear_modifY_mem_tables): Clear it.
1002         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1003         when we encounter CALL_INSNs.
1004         (compute_transp, case MEM): Handle blocks with calls separate
1005         from blocks without calls.  Use bitmap iterators rather than
1006         FOR_EACH_BB.
1007
1008 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1009
1010         PR bootstrap/18810
1011         * mklibgcc.in (vis_hide): Use a temporary object file, not
1012         -o /dev/null.
1013
1014 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1015
1016         PR target/19924
1017         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1018         access optimization.
1019
1020 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1021             Alan Modra  <amodra@bigpond.net.au>
1022
1023         PR target/19019
1024         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1025         (_xlqsub): Rename to __gcc_qsub.
1026         (_xlqmul): Rename to __gcc_qmul.
1027         (_xlqdiv): Rename to __gcc_qdiv.
1028         Provide versioned symbol aliases with old names.
1029         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1030         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1031         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1032         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1033         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1034
1035 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1036
1037         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1038         Fold ~(A - 1) and ~(A + -1) to -A.
1039
1040 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1041
1042         PR pch/14940
1043         PR target/19300
1044         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1045         config/pa/pa-host.c:pa_gt_pch_use_address.
1046
1047 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1048
1049         * tree-vn.c (get_value_handle): Make sure that given an
1050         is_gimple_min_invariant expression, we always return it.
1051
1052 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1053
1054         * passes.c (rest_of_handle_gcse): Fix a comment.
1055
1056 2005-02-15  Jeff Law  <law@redhat.com>
1057
1058         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1059         bitmap.
1060         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1061         (canon_list_insert, record_last_mem_set_info): Similarly.
1062         (clear_modify_mem_tables): Similarly.
1063
1064 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1065
1066         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1067         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1068         config/mips/mips.md, config/rs6000/aix.h,
1069         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1070
1071 2005-02-15  Richard Henderson  <rth@redhat.com>
1072
1073         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1074         call to be best_edge.
1075
1076 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1077
1078         * basic-block.h: Adjust the prototype for find_basic_blocks.
1079         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1080         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1081         find_basic_blocks.
1082
1083         * flow.c (recompute_reg_usage): Remove all arguments.
1084         * passes.c (rest_of_compilation): Adjust the call to
1085         recompute_reg_usage.
1086         * rtl.h: Adjust the prototype for recompute_reg_usage.
1087
1088 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1089
1090         * tree-dump.c (dump_files): Update to reflect new member
1091         of dump_file_info.
1092         (dump_register): Add new argument.
1093         Set glob name.
1094         (dump_switch_p_1): Check against glob name if doglob was passed.
1095         (dump_switch_p): Check against regular first, then glob if
1096         we didn't have any hits on the dump name.
1097         * tree-optimize.c (register_one_dump_file):
1098         Pass in glob name as well.
1099         * tree-pass.h (struct dump_file_info): Add glob
1100         member.
1101
1102 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1103
1104         PR preprocessor/16323
1105         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1106
1107 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1108
1109         PR target/19019
1110         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1111         (trunctfdf2_internal1): New.
1112         (trunctfdf2_internal2): Renamed from trunctfdf2.
1113
1114 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1115
1116         PR tree-optimization/19853
1117         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1118
1119 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1120
1121         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1122         delete_dead_jumptables and cleanup_cfg.
1123
1124 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1125
1126         * reload.c (find_reloads): Swap address_reloaded flags when
1127         swapping commutative operands.
1128
1129 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1130
1131         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1132         Use standard_iv_increment_position for computing the bsi position
1133         for create_iv.
1134         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1135         the bsi position.
1136
1137 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1138
1139         PR target/17428
1140         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1141         life range of hard registers.
1142         * value-prof.c (insn_prefetch_values_to_profile): Only
1143         scan normal insns.
1144
1145         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1146         profile in libcalls.
1147
1148 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1149
1150         * bitmap.h (bitmap_and_compl_into): Return bool.
1151         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1152
1153 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1154
1155         PR tree-optimization/19944
1156         * fold-const.c (fold): Re-add ABS_EXPR folding.
1157
1158 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1159
1160         PR target/19019
1161         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1162         {TARGET,MASK}_XL_COMPAT.
1163         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1164         MASK_XL_COMPAT.
1165         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1166         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1167         TARGET_XL_COMPAT.
1168         (rs6000_arg_partial_bytes): Same.
1169         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1170         and XL compatibility enabled.
1171         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1172         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1173         test to final condition.
1174         (cmptf_internal2): New.
1175         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1176         xl-compat.  Add TFmode information to description.
1177
1178 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1179
1180         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1181
1182 2005-02-13  Jason Merrill  <jason@redhat.com>
1183
1184         PR c++/16405
1185         * fold-const.c (fold_indirect_ref_1): Split out from...
1186         (build_fold_indirect_ref): Here.
1187         (fold_indirect_ref): New fn.
1188         * tree.h: Declare it.
1189         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1190         (gimplify_modify_expr_rhs): Likewise.
1191         (gimplify_expr): Likewise.
1192
1193 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1194
1195         PR tree-optimization/14303
1196         PR tree-optimization/15784
1197         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1198         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1199         ABS_EXPR<x> != 0 to x != 0.
1200
1201 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1202
1203         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1204         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1205         spelling conventions.
1206
1207         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1208         delete_trivially_dead_insns too many times.
1209
1210         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1211         tem and tem2.
1212
1213 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1214
1215         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1216         (vect_is_simple_iv_evolution): Remove redundant parameter
1217         and step check.
1218         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1219         without last parameter.
1220         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1221         Return pointer step. Call vect_is_simple_iv_evolution without
1222         last parameter. Check only that the step is multiple of size
1223         type. Remove stmt_vinfo updates.
1224         (vect_get_memtag_and_dr): Remove.
1225         (vect_get_memtag): New function.
1226         (vect_address_analysis): New function.
1227         (vect_object_analysis): New function.
1228         (vect_analyze_data_refs): Call vect_object_analysis and
1229         vect_get_memtag. Update stmt_vinfo fields.
1230
1231 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1232
1233         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1234         exist and are objects. Remove checks for pointer.
1235         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1236         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1237         (vect_create_data_ref_ptr): Likewise.
1238         (vect_base_addr_differ_p): New function.
1239         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1240         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1241         Don't set the DR_BASE_NAME field of data-ref.
1242         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1243
1244 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1245
1246         * optabs.h (enum optab_index): Add new OTI_ldexp.
1247         (ldexp_optab): Define corresponding macro.
1248         * optabs.c (init_optabs): Initialize ldexp_optab.
1249         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1250         patterns.
1251         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1252         using ldexp_optab.
1253         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1254         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1255
1256         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1257         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1258         intrinsics.
1259
1260 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1261
1262         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1263         to base_address.
1264         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1265         stmt_vec_info.
1266         (vect_get_base_and_offset): Always return an address.
1267         (vect_create_addr_base_for_vector_ref): Remove treatment for
1268         different data reference types.
1269         (vect_compute_data_ref_alignment): Rename base to base_address in
1270         stmt_vec_info. Get the object in order to force its alignment.
1271         (vect_get_memtag_and_dr): Rename base to base_address in
1272         stmt_vec_info. Extract the object for memtag analysis.
1273
1274 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1275
1276         PR regression/19898.
1277         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1278         changes cc_status, use apply modified_in_p to part of cc_status
1279         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1280         body.
1281
1282 2005-02-11  Richard Henderson  <rth@redhat.com>
1283
1284         * tree-complex.c (expand_complex_libcall): New.
1285         (expand_complex_multiplication): Use it for c99 compliance.
1286         (expand_complex_division): Likewise.
1287         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1288         (fold): Call them.
1289         * builtins.c (built_in_names): Remove const.
1290         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1291         builtins.
1292         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1293         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1294         (built_in_names): Remove const.
1295         * c-common.c (c_common_type_for_mode): Handle complex modes.
1296         * flags.h, toplev.c (flag_complex_method): Rename from
1297         flag_complex_divide_method.
1298         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1299         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1300         * libgcc2.h: Declare them.
1301         * libgcc-std.ver: Export them.
1302         * mklibgcc.in (lib2funcs): Build them.
1303
1304 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1305
1306         PR tree-optimization/19876
1307         Partially revert my change from 2005-01-14
1308         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1309         (compute_antic): ...and remove the loop here.
1310
1311 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1312
1313         PR middle-end/19858
1314         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1315         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1316
1317         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1318         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1319
1320 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1321
1322         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1323         offsets for the big-endian 32-bit case.
1324
1325 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1326
1327         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1328
1329 2005-02-11  Dale Johannesen  <dalej@apple.com>
1330
1331         * cselib.c (cselib_process_insn):  Clear out regs where
1332         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1333         * reload.c (find_equiv_reg): Ditto.
1334
1335 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1336
1337         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1338         with no elements.
1339
1340         * tree.c (build_function_type_list): Work correctly if there are
1341         no arguments.
1342
1343 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1344
1345         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1346         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1347         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1348         TARGET_ZARCH instead of TARGET_64BIT.
1349
1350 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1351
1352         * config/rs6000/t-rtems:
1353         (MULTILIB_OPTIONS): Remove mcpu=602.
1354         (MUTLILIB_DIRNAMES): Remove m602.
1355         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1356         Let mcpu=602 match mcpu=603.
1357         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1358
1359 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1360
1361         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1362         signal trampolines.
1363
1364 2005-02-10  David Daney  <ddaney@avtrex.com>
1365
1366         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1367         * config/i386/linux-unwind.h: Likewise.
1368         * config/ia64/linux-unwind.h: Likewise.
1369         * config/mips/linux-unwind.h: Likewise.
1370         * config/pa/linux-unwind.h: Likewise.
1371         * config/rs6000/linux-unwind.h: Likewise.
1372         * config/s390/linux-unwind.h: Likewise.
1373         * config/sh/linux-unwind.h: Likewise.
1374         * config/sparc/linux-unwind.h: Likewise.
1375
1376 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1377
1378         PR tree-optimization/17549
1379         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1380         TER to replace a DEF with its expression if the DEF and the
1381         rhs of the expression we replace into have the same root
1382         variable.
1383
1384 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1385
1386         * config/mips/mips.md: Fix the placement of the match_scratch in the
1387         lea64 peephole2.
1388
1389 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1390
1391         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1392         Fix comment typos.
1393
1394 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1395
1396         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1397         (strip_offset): Handle addresses.
1398         (add_address_candidates): Use strip_offset.
1399         (difference_cost): Reflect strip_offset change.
1400         (force_var_cost, difference_cost): Strip nops.
1401
1402 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1403
1404         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1405
1406         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1407         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1408         config/cris/cris-protos.h, config/cris/cris.c: Update
1409         copyright.
1410
1411 2005-02-10  Jeff Law  <law@redhat.com>
1412
1413         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1414         (lookup_avail_expr): Similarly.
1415
1416 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1417
1418         * builtins.c (fold_builtin_powi): New function.
1419         (fold_builtin_1): Call it.
1420
1421 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1422
1423         PR documentation/19309
1424         * doc/cpp.texi: The __GNUC__ and related predefined macros
1425         are also defined for the "standalone" cpp.
1426         Some non-GCC compilers may also define __GNUC__.
1427
1428 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR c/19342
1431         * c-typeck.c (common_type): New routine.  Old common_type renamed
1432         to...
1433         (c_common_type): ...this.
1434         (build_conditional_expr, build_binary_op): Use c_common_type instead
1435         of common_type.
1436
1437 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1438
1439         * doc/md.texi: Replace @samp{length} with @code{length}.
1440
1441 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1442
1443         PR tree-optimization/18687
1444         * tree-flow.h (find_loop_niter): Declare.
1445         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1446         Try using scev even for loops with more than one exit.
1447         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1448         (struct ivopts_data): Added niters field.
1449         (struct nfe_cache_elt): New.
1450         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1451         functions.
1452         (tree_ssa_iv_optimize_init): Initialize niters cache.
1453         (determine_number_of_iterations): Removed.
1454         (find_induction_variables): Do not call determine_number_of_iterations.
1455         Access niters for single exit through niter_for_single_dom_exit.
1456         (add_iv_outer_candidates): Access niters for single exit through
1457         niter_for_single_dom_exit.
1458         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1459         number_of_iterations_cond.
1460         (iv_period): New function.
1461         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1462         (may_replace_final_value): Take data argument.  Use
1463         niter_for_single_dom_exit.
1464         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1465         (rewrite_use_compare): Pass data to may_eliminate_iv.
1466         (rewrite_use_outer): Pass data to may_replace_final_value.
1467         (free_loop_data): Clean up the niters cache.
1468         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1469         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1470         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1471         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1472         (num_ending_zeros): Moved to tree.c.
1473         * tree.h (num_ending_zeros): Declare.
1474         * tree.c (num_ending_zeros): Moved from tree.c.
1475
1476 2005-02-09  Richard Henderson  <rth@redhat.com>
1477
1478         * builtins.c (DEF_BUILTIN): Add COND argument.
1479         * tree.h (DEF_BUILTIN): Likewise.
1480         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1481         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1482         match.
1483         (DEF_BUILTIN_STUB): New.
1484         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1485         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1486         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1487         * c-common.c (DEF_BUILTIN): Add COND argument.
1488         * tree.c (local_define_builtin): New.
1489         (build_common_builtin_nodes): New.
1490
1491 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1492
1493         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1494         floating point expression ignoring the sign of the result.
1495         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1496         (fold) <MULT_EXPR>: Use it to simplify x*x.
1497         * tree.h (fold_strip_sign_ops): Prototype here.
1498         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1499         argument.  Use fold_strip_sign_ops to simplify the first argument.
1500         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1501         first argument when the second argument is an even integer
1502         constant, but only with -funsafe_math_optimizations.
1503         (fold_builtin_1): Update call to fold_builtin_copysign.
1504
1505 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1506
1507         PR middle-end/19583
1508         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1509         just check whether EH_FILTER_FAILURE falls through.
1510
1511 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1512
1513         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1514         insns return to ready list in the next turn.
1515
1516 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1517
1518         PR middle-end/19402
1519         * builtins.def: New __builtin_powi[lf].
1520         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1521         (expand_builtin_powi): New function.
1522         (expand_builtin): Dispatch to expand_builtin_powi.
1523         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1524         * libgcc2.c: Add __builtin_powi[lf] implementation.
1525         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1526         * optabs.h: Add powi_optab.
1527         * optabs.c (init_optabs): Initialize powi_optab.
1528         * doc/extend.texi: Document __builtin_powi[lf].
1529
1530 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1531
1532         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1533         exists.
1534
1535 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1536
1537         PR middle-end/19854
1538         * fold-const.c (try_move_mult_to_index): Remove redundant
1539         type argument.  Create ADDR_EXPR with correct type.
1540         (fold): Update callers of try_move_mult_to_index.  Convert
1541         result to the appropriate type.
1542
1543 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1544
1545         PR target/19597
1546         * config/avr/avr.c (default_rtx_costs): Delete.
1547         (avr_operand_rtx_cost): New function.
1548         (avr_rtx_costs): Completely rewrite.
1549
1550 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1551
1552         PR target/19806
1553         * config/cris/cris.c (in_code): New variable.
1554         (cris_output_addr_const): Now a static function, a wrapper for
1555         output_addr_const.
1556         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1557         case from old cris_output_addr_const.
1558         (cris_asm_output_label_ref): Similar for LABEL_REF.
1559         (cris_output_addr_const_extra): Similar for UNSPEC.
1560         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1561         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1562         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1563         declaration.
1564         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1565         (cris_asm_output_label_ref): Declare.
1566
1567 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1568
1569         PR preprocessor/19801
1570         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1571         filenames that changed when libcpp was moved to the toplevel.
1572
1573 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1574
1575         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1576         zero extensions of BImode operands.  Call lowpart_subreg instead
1577         of gen_lowpart_common and gen_lowpart_SUBREG.
1578
1579 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1580
1581         PR ada/19489
1582         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1583         * configure.ac: Set cc_for_cross_gnattools.
1584         * configure: Regenerate.
1585
1586 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1587
1588         PR target/19803
1589         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1590
1591 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1592
1593         PR debug/19327
1594         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1595         of nested functions.
1596
1597 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1598
1599         * doc/extend.texi: Document deprecated extensions allowing
1600         static floating-point members to have initializers and allowing
1601         floating-point literals in integral constant expressions.
1602
1603 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1604
1605         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1606         config/darwin7.h, config/mips/mips.c,
1607         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1608         Update copyright.
1609
1610         * cse.c: Update comments.
1611
1612 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1613
1614         PR middle-end/19775
1615         * builtins.c (fold_builtin_sqrt): Transform
1616         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1617         pow(x,y*0.5).
1618
1619 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1620             Dorit Naishlos  <dorit@il.ibm.com>
1621
1622         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1623         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1624         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1625         was added.
1626         * tree.h (vect_set_verbosity_level): New extern function declaration
1627         added.
1628         * tree-vectorizer.h (verbosity_levels): New enum type.
1629         * tree-vectorizer.c (vect_debug_stats): Function removed.
1630         (vect_debug_details): Likewise.
1631         (vect_verbosity_level): Global variable was defined and initialized.
1632         (vect_dump): Global variable definition.
1633         (vect_print_dump_info): New function.
1634         (vect_set_dump_settings): New function.
1635         (vect_set_verbosity_level): New function.
1636         (vectorize_loops): Add call to vect_set_dump_settings.
1637
1638         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1639         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1640         (slpeel_tree_peel_loop_to_edge): Likewise.
1641
1642         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1643         appropriate verbosity level instead of call to vect_debug_details
1644         or vect_debug_stats.
1645         (vect_get_base_and_offset):
1646         (vect_create_addr_base_for_vector_ref):
1647         (get_vectype_for_scalar_type):
1648         (vect_create_data_ref_ptr):
1649         (vect_init_vector):
1650         (vect_get_vec_def_for_operand):
1651         (vect_finish_stmt_generation):
1652         (vectorizable_assignment):
1653         (vectorizable_operation):
1654         (vectorizable_store):
1655         (vectorizable_load):
1656         (vect_transform_stmt):
1657         (vect_update_ivs_after_vectorizer):
1658         (vect_do_peeling_for_loop_bound):
1659         (vect_update_inits_of_drs):
1660         (vect_do_peeling_for_alignment):
1661         (vect_transform_loop):
1662         (vect_is_simple_use):
1663         (vect_analyze_operations):
1664         (vect_is_simple_iv_evolution):
1665         (vect_analyze_scalar_cycles):
1666         (vect_analyze_data_ref_dependence):
1667         (vect_analyze_data_ref_dependences):
1668         (vect_compute_data_ref_alignment):
1669         (vect_enhance_data_refs_alignment):
1670         (vect_analyze_data_refs_alignment):
1671         (vect_analyze_data_ref_access):
1672         (vect_analyze_data_ref_accesses):
1673         (vect_analyze_pointer_ref_access):
1674         (vect_get_memtag_and_dr):
1675         (vect_analyze_data_refs):
1676         (vect_mark_relevant):
1677         (vect_stmt_relevant_p):
1678         (vect_mark_stmts_to_be_vectorized):
1679         (vect_can_advance_ivs_p):
1680         (vect_get_loop_niters):
1681         (vect_analyze_loop_form):
1682         (vect_analyze_loop):
1683         (vectorize_loops): Likewise.
1684
1685         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1686         (vect_update_inits_of_drs):
1687         (vect_do_peeling_for_alignment):
1688         (vect_transform_loop):
1689         (vect_analyze_operations):
1690         (vect_analyze_scalar_cycles):
1691         (vect_analyze_data_ref_dependences):
1692         (vect_analyze_data_refs_alignment):
1693         (vect_analyze_data_ref_accesses):
1694         (vect_analyze_data_refs):
1695         (vect_mark_stmts_to_be_vectorized):
1696         (vect_get_loop_niters):
1697         (vect_analyze_loop_form):
1698         (vect_analyze_loop): Likewise.
1699         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1700
1701 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1702
1703         PR bootstrap/19796
1704         Revert:
1705         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1706         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1707         either -ffast-math or -funsafe-math-optimizations is in use.
1708
1709         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1710         * config/mips/irix-csr.c: New file.
1711         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1712         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1713         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1714         executables.
1715
1716 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1717
1718         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1719         redundant, incorrect definitions.
1720
1721         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1722         expand.
1723         ("*tls_indirect_call"): New, reference hard regs directly.
1724         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1725
1726 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1727
1728         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1729         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1730
1731 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1732
1733         PR rtl-optimization/19800
1734         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1735         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1736         gen_lowpart.
1737
1738 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1739
1740         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1741
1742 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1743
1744         PR other/17135
1745         * doc/invoke.texi: Correct documentation of -freorder-functions.
1746
1747 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         PR other/14402
1750         * doc/invoke.texi: Don't mention gccbug.
1751
1752 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1753             Andrew Pinski  <pinskia@physics.uc.edu>
1754             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1755
1756         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1757         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1758         into just (zero_extract:SI FOO (const_int 1) BAR).
1759
1760 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1761
1762         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1763         macro locally.  Don't give last revision date.  Use GCC version
1764         number from gcc-common.texi.
1765         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1766         revision date.  Use GCC version number from gcc-common.texi.
1767         Describe being a library as current state rather than as 3.x
1768         history.
1769         * doc/gcc.texi: Remove last update date.
1770         * doc/gccint.texi: Likewise.  Update copyright dates.
1771         * doc/install.texi: Update copyright dates.
1772
1773 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1774
1775         PR other/7549
1776         * doc/invoke.texi: Mention for each option included in -Wall that
1777         it is included in -Wall.
1778         * doc/gcc.texi: Update copyright and last modification date.
1779
1780 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1781
1782         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1783         unnecessary cast to original induction variable increments.
1784
1785 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1786
1787         PR tree-optimization/18219
1788         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1789         in distributed form.
1790
1791 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1792
1793         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1794         Set bitpos and offset later in the function.  Do nothing if the
1795         target is a register and if the bitfield lies completely outside
1796         that register.
1797         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1798         here.  Return an uninitialised register if the source value is stored
1799         in a register and the bitfield lies completely outside that register.
1800
1801 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1802
1803         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1804         not SET_DEST.
1805
1806 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1807
1808         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1809
1810 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1811
1812         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1813         * config/darwin8.h: New.
1814         * config/darwin7.h: Update comment.
1815
1816 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1817             Dorit Naishlos  <dorit@il.ibm.com>
1818
1819         * tree-vectorizer.h (LOC): New type.
1820         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1821         (loop_line_number): New field in struct _loop_vec_info.
1822         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1823
1824         * tree-vectorizer.c (input.h): Included.
1825         (find_loop_location): New function.
1826         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1827         loop line number removed.
1828         (vect_debug_details): Likewise.
1829         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1830
1831         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1832         call to vect_debug_details/stats changed from loop to loop_loc.
1833         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1834         (slpeel_tree_peel_loop_to_edge): Likewise.
1835
1836         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1837         changed from NULL to UNKNOWN_LOC.
1838         (vect_get_base_and_offset):
1839         (vect_create_addr_base_for_vector_ref):
1840         (get_vectype_for_scalar_type):
1841         (vect_create_data_ref_ptr):
1842         (vect_init_vector):
1843         (vect_get_vec_def_for_operand):
1844         (vect_finish_stmt_generation):
1845         (vectorizable_assignment):
1846         (vectorizable_operation):
1847         (vectorizable_store):
1848         (vectorizable_load):
1849         (vect_transform_stmt):
1850         (vect_update_ivs_after_vectorizer):
1851         (vect_do_peeling_for_loop_bound):
1852         (vect_do_peeling_for_alignment):
1853         (vect_transform_loop):
1854         (vect_is_simple_use):
1855         (vect_analyze_operations):
1856         (vect_is_simple_iv_evolution):
1857         (vect_analyze_scalar_cycles):
1858         (vect_analyze_data_ref_dependences):
1859         (vect_compute_data_ref_alignment):
1860         (vect_enhance_data_refs_alignment):
1861         (vect_analyze_data_ref_access):
1862         (vect_analyze_data_ref_accesses):
1863         (vect_analyze_pointer_ref_access):
1864         (vect_get_memtag_and_dr):
1865         (vect_analyze_data_refs):
1866         (vect_mark_relevant):
1867         (vect_stmt_relevant_p):
1868         (vect_mark_stmts_to_be_vectorized):
1869         (vect_can_advance_ivs_p):
1870         (vect_get_loop_niters):
1871         (vect_analyze_loop):
1872         (vectorize_loops): Likewise.
1873
1874         (vectorizable_load): Argument in call to vect_debug_details/stats
1875         changed from loop to LOOP_LOC (loop_vinfo).
1876         (vect_transform_loop):
1877         (vect_analyze_operations):
1878         (vect_analyze_scalar_cycles):
1879         (vect_analyze_data_ref_dependence):
1880         (vect_enhance_data_refs_alignment):
1881         (vect_analyze_data_ref_accesses):
1882         (vect_analyze_pointer_ref_access):
1883         (vect_analyze_data_refs):
1884         (vect_analyze_loop): Likewise.
1885
1886         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1887         changed from loop to loop_loc.
1888
1889         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1890
1891 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1892             Dorit Naishlos  <dorit@il.ibm.com>
1893
1894         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1895         declaration added.
1896         (vect_analyze_data_ref_dependences): Likewise.
1897
1898         (vect_is_simple_use): Argument changed from loop structure to
1899         loop_vect_info structure.
1900         (vect_can_advance_ivs_p): Likewise.
1901         (vect_create_index_for_vector_ref): Likewise.
1902         (vect_update_ivs_after_vectorizer): Likewise.
1903         (new_stmt_vec_info): Likewise.
1904
1905         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1906         changed from loop to loop_vinfo.
1907         (vect_create_data_ref_ptr): First argument in call to
1908         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1909         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1910         was changed from loop to loop_vinfo.
1911         (vectorizable_operation): Likewise.
1912         (vectorizable_store): Likewise.
1913         (vect_mark_stmts_to_be_vectorized): Likewise.
1914         (vect_do_peeling_for_loop_bound): First argument in call to
1915         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1916         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1917         was changed from loop to loop_vinfo.
1918         (vect_analyze_data_ref_dependences): Third argument in call to
1919         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1920
1921         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1922         (vect_create_data_ref_ptr): Likewise.
1923         (vect_init_vector): Likewise.
1924         (vect_get_vec_def_for_operand): Likewise.
1925         (vectorizable_assignment): Likewise.
1926         (vectorizable_operation): Likewise.
1927         (vectorizable_store): Likewise.
1928         (vectorizable_load): Likewise.
1929         (vect_update_ivs_after_vectorizer): Likewise.
1930         (vect_is_simple_use): Likewise.
1931         (vect_analyze_data_ref_dependence): Likewise.
1932         (vect_analyze_pointer_ref_access): Likewise.
1933         (vect_can_advance_ivs_p): Likewise.
1934
1935         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1936         before _stmt_vec_info.
1937         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1938         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1939         (new_stmt_vec_info): Argument changed from loop structure to
1940         loop_vect_info structure
1941
1942         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1943         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1944         (vect_create_addr_base_for_vector_ref): Likewise.
1945         (vect_analyze_pointer_ref_access): Likewise.
1946
1947 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1948
1949         PR tree-opt/19768
1950         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1951         phi flag if the phi is abnormal.
1952
1953 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1954
1955         PR tree-opt/19736
1956         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1957         information for the new statement.
1958
1959 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1960
1961         PR driver/19117
1962         * gcc.c (main): Include the target in -v output.
1963
1964 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1965
1966         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1967         Do not drop the extend if we'd have to add a paradoxical subreg
1968         later.  Include optabs.h and insn-codes.h.
1969         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1970
1971 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1972
1973         PR middle-end/19405
1974         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1975         * fold-const.c (const_binop): Avoid constant folding floating
1976         point operations in modes that use composite representations.
1977         * simplify-rtx.c (simplify_binary_operation): Likewise.
1978
1979 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1980
1981         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1982         a REG, not a MEM.
1983         (altivec_dstt): Likewise.
1984         (altivec_dstst): Likewise.
1985         (altivec_dststt): Likewise.
1986         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1987         of first operand.
1988
1989 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1990
1991         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1992         EXPR_LOCUS from orig_cond to the new cond_stmt.
1993         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1994         the new vec_stmt.
1995
1996 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1997
1998         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1999         standard_iv_increment_position. Remove call to bsi_next
2000         (no need to bump the iterator anymore).
2001         (vect_create_index_for_vector_ref): Call
2002         standard_iv_increment_position. Remove second function argument.
2003         (vect_finish_stmt_generation): Remove call to bsi_next
2004         (no need to bump the iterator anymore).
2005         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2006         to vect_create_index_for_vector_ref.
2007
2008 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2009
2010         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2011         phis are used out of the loop.
2012
2013 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2014
2015         PR c/17807
2016         * c-decl.c (undef_nested_function): New variable.
2017         (pop_scope): Diagnose undefined nested functions.
2018         (finish_function): Don't attempt cgraph processing or genericizing
2019         if current top-level function contained an undefined nested
2020         function.  Reset undef_nested_function at the end of a top-level
2021         function.
2022
2023 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2024
2025         * tree.c (build_int_cst_type): Take sign of the value into account
2026         when deciding whether sign extend the value.
2027
2028 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2029
2030         PR c/18502
2031         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2032         (cpp_options, cc1_options): Change %{std*&ansi} to
2033         %{std*&ansi&trigraphs}.
2034
2035 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2036
2037         * cse.c: Update comments.
2038
2039 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2040
2041         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2042         arguments go on the stack.  Do not put complex doubles in odd/even
2043         pairs.
2044
2045 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2046
2047         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2048         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2049         -ftree-pre, and -fthread-jumps.
2050
2051 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2052
2053         PR tree-optimization/19578
2054         * tree-flow.h (modified_noreturn_calls): Declare.
2055         (noreturn_call_p): Declare.
2056         * tree-flow-inline.h (noreturn_call_p): New function.
2057         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2058         * tree-cfg.c (modified_noreturn_calls): New variable.
2059         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2060         that contain a mid-block noreturn call.
2061         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2062
2063 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2064
2065         * df.c (df_def_record_1, df_uses_record): Don't use
2066         DF_FOR_REGALLOC.
2067         * df.h (DF_FOR_REGALLOC): Remove.
2068
2069 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2070
2071         PR c/19435
2072         * c-typeck.c (really_start_incremental_init): Reset
2073         constructor_max_index for arrays of incomplete type.
2074
2075 2005-02-02  Jeff Law  <law@redhat.com>
2076
2077         * gcse.c (struct reg_set): Store the block index where the register
2078         was set rather than the setting insn.
2079         (record_one_set, compute_transp): Corresponding changes.
2080         (pre_insert_copy_insn): Do not call replace_one_set.
2081         (replace_one_set): Remove.
2082
2083 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2084
2085         PR other/15514
2086         * doc/gcov.texi: Fix typo.
2087
2088 2005-02-01  Richard Henderson  <rth@redhat.com
2089
2090         PR target/19680
2091         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2092         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2093         type to bool.
2094         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2095         * config/i386/i386-protos.h: Update.
2096
2097 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2098
2099         PR tree-optimization/19217
2100         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2101         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2102         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2103         that it is walking a PHI node.
2104
2105 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2106
2107         * doc/extend.texi (Nested Functions): Update.
2108
2109 2005-02-01  Richard Henderson  <rth@redhat.com>
2110
2111         PR 19696
2112         * optabs.c (expand_copysign_absneg): Export.
2113         * optabs.h (expand_copysign_absneg): Declare.
2114         * config/rs6000/rs6000.md (copysigntf3): New.
2115
2116 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2117
2118         PR tree-optimization/19633
2119         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2120         * tree-ssa-alias.c (init_alias_info): Initialize.
2121         (merge_pointed_to_info): Set.
2122         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2123         (dump_points_to_info_for): Show value of pt_null.
2124         (struct count_ptr_d): Declare.
2125         (find_ptr_dereference): Remove.
2126         (ptr_is_dereferenced_by): Remove.
2127         (count_ptr_derefs): New local function.
2128         (count_uses_and_derefs): New local function.
2129         (compute_points_to_and_addr_escape): Call it.  If the number
2130         of dereferences is greater than zero, mark the pointer as
2131         dereferenced.  If there are fewer dereferences than uses of
2132         the pointer, the pointer's value escapes.
2133
2134 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2135
2136         PR tree-optimization/19670
2137         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2138         here...
2139         (verify_use): ... set it here, instead.
2140
2141 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2142
2143         * doc/sourcebuild.texi (Test directives): Fix formatting.
2144
2145         * doc/sourcebuild.texi (Test directives): Describe selector
2146         expressions.
2147
2148 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2149
2150         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2151         specific 64-bit CPUs.
2152
2153 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2154
2155         PR target/16201
2156         * arm.c (arm_eliminable_register): New function.
2157         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2158         HOST_WIDE_INT for address offsets.
2159         * arm-protos.h (arm_eliminable_register): Add prototype.
2160
2161 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2162
2163         PR optimization/15242
2164         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2165         * basic-block.h (duplicate_computed_gotos): Add prototype.
2166         * bb-reorder.c (duplicate_computed_gotos): New function to
2167         duplicate sufficiently small blocks ending in a computed jump.
2168         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2169         if not optimizing for size.
2170         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2171         never do tail merging for blocks ending in a computed jump.
2172         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2173
2174 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2175
2176         Patch from Richard Sandiford <rsandifo@redhat.com>
2177         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2178         from inheriting a subreg equivalence with a non-spill register.
2179
2180         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2181
2182 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2183
2184         * config/frv/frv.c (movcc_fp_destination_operand): New.
2185         (gpr_or_memory_operand): Fix typo in comment.
2186         (gpr_or_memory_operand_with_scratch): New.
2187         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2188         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2189         movcc_fp_destination_operand.
2190         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2191         Legitimize memory addresses using a scratch register.
2192
2193 2005-01-31  Jeff Law  <law@redhat.com>
2194
2195         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2196         bitmap a sparse bitmap instead of a simple bitmap.
2197         (mark_def_sites_initialize_block):  Corresponding changes.
2198         (ssa_mark_def_sites_initialize_block): Likewise.
2199         (ssa_mark_phi_uses): Likewise.
2200         (mark_def_site, ssa_mark_def_sites): Likewise.
2201         (mark_def_site_blocks): Likewise.
2202         (rewrite_ssa_into_ssa): Likewise.
2203
2204         * tree-ssa-dom.c (record_cond): Pass correct variable type
2205         for last argument to htab_find_slot_with_hash.
2206
2207         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2208         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2209
2210 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2211
2212         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2213         1_mmalua.
2214
2215 2005-02-01  Eric Christopher  <echristo@redhat.com>
2216
2217         * config/mips/mips.c (override_options): Warn if -mint64
2218         is used.
2219         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2220         deprecated.
2221
2222 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2223
2224         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2225         timestamp.
2226         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2227         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2228         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2229         (cached_regno): Initialize to INVALID_REGNUM.
2230         (cse_reg_info_table_size,
2231         cse_reg_info_table_first_uninitialized,
2232         cse_reg_info_timestamp): New.
2233         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2234         get_cse_reg_info.
2235         (init_cse_reg_info, get_cse_reg_info_1): New.
2236         (get_cse_reg_info): Cache the last look-up.
2237         (new_basic_block): Update the code to clear mappings from
2238         registers to cse_reg_info entries.
2239         (cse_main): Call init_cse_reg_info.
2240
2241         * cse.c (get_cse_reg_info): Update a comment.
2242
2243 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2244
2245         PR c/19333
2246         * c-decl.c (start_decl): Do not warn about arrays of elements with
2247         an incomplete type here.
2248         (grokdeclarator): Do it here by making a pedwarn an error.
2249         * c-typeck.c (push_init_level): If there were previous errors with
2250         the constructor type, do not warn about braces for initializers.
2251         (process_init_element): Likewise for excess initializer elements.
2252
2253 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2254
2255         * cse.c (delete_trivially_dead_insn): Don't iterate.
2256
2257 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2258
2259         * config/rs6000/rs6000.md (copysignsf3): New expand.
2260         (copysigndf3): Likewise.
2261
2262 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2263
2264         * recog.c (constrain_operands): Only look for earlyclobber operand
2265         conflicts if an '&' constraint was seen.
2266
2267 2005-01-31  Marc Espie <espie@openbsd.org>
2268
2269         * config.gcc: Don't include embedded systems fragment, switches default
2270         debugging format to ELF.
2271         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2272         longer pick it up there.
2273
2274 2005-01-31  Dale Johannesen  <dalej@apple.com>
2275
2276         * doc/extend.texi (nested functions): Fix linkage description.
2277         Clarify that static is not allowed.
2278
2279 2005-01-31  Dale Johannesen  <dalej@apple.com>
2280
2281         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2282         (movdf_low_di):  Make work.
2283
2284 2005-01-31  Dale Johannesen  <dalej@apple.com>
2285
2286         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2287         Make work for 64 bit.
2288
2289 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2290             Dale Johannesen  <dalej@apple.com>
2291
2292         PR middle-end/19650
2293         * fold-const.c (fold_binary_op_with_conditional_arg):
2294         Make types match original operands, before STRIP_NOPS.
2295
2296 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2297
2298         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2299         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2300         (struct gcc_sigcontext): Delete.  Merge contents to..
2301         (struct gcc_ucontext): ..here.
2302         (get_sigcontext): Delete.
2303         (get_regs): New function, like get_sigcontext but return regs ptr.
2304         64-bit version finds regs from r1 to support vdso.
2305         (ppc_linux_aux_vector): New function.
2306         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2307         and vector regs.
2308
2309 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2310
2311         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2312         sizetype.
2313         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2314         redundant fold. Fix misalignment for MINUS_EXPR.
2315         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2316         (vect_analyze_pointer_ref_access): Likewise.
2317         (vect_get_memtag_and_dr): Likewise.
2318
2319 2005-01-31  Richard Henderson  <rth@redhat.com>
2320
2321         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2322         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2323         absnegdf2_i387, absnegxf2_i387): Likewise.
2324
2325 2005-01-31  Richard Henderson  <rth@redhat.com>
2326
2327         PR 19696
2328         * optabs.c (expand_copysign_absneg): New.
2329         (expand_copysign_bit): Split out from ...
2330         (expand_copysign): ... here.  Use expand_copysign_absneg.
2331
2332 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2333
2334         PR middle-end/19697
2335         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2336         constant as the second operand and a register as the third.
2337
2338 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2339
2340         PR target/19704
2341         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2342         that dllimport'd functions do not use all call-clobbered registers
2343         to pass parameters.
2344
2345 2005-01-30  Richard Henderson  <rth@redhat.com>
2346
2347         PR 19696
2348         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2349         expand_abs_nojump and generalize.  Use operand_subword and
2350         emit_no_conflict_block.  Support large modes.
2351         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2352         back to maximum.
2353         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2354         negation to subtraction.
2355         (expand_copysign): Check that the format has signed zeros.
2356         Use operand_subword and emit_no_conflict_block.  Support large modes.
2357
2358 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2359
2360         Fix PR tree-optimization/19624
2361
2362         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2363         * tree-ssa-pre.c: Add cfgloop.h.
2364         Update comment.
2365         (pre_stats): New member, constified.
2366         (inserted_exprs): New static variable.
2367         (NECESSARY): New macro.
2368         (create_expression_by_pieces): Fold the expression, and
2369         mark it as defaulting to not necessary. Also put in
2370         inserted_exprs.
2371         (fully_constant_expression): New function.
2372         (insert_into_preds_of_block): Modify to not insert phis when we
2373         are playing with induction variables.
2374         Push phis onto the inserted_exprs vector, and mark them as not
2375         necessary by default.
2376         (insert_aux): Call fully_constant_expression on eprime.
2377         If all edges produce the same value, mark it constant.
2378         (mark_operand_necessary): New function.
2379         (remove_dead_inserted_code): New function.
2380         (init_pre): Init loop optimizer to get loop info.
2381         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2382         (execute_pre): Commit edge inserts, then remove dead code.
2383
2384 2005-01-30  Richard Henderson  <rth@redhat.com>
2385
2386         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2387         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2388
2389 2005-01-30  Richard Henderson  <rth@redhat.com>
2390
2391         PR target/19700
2392         * config/i386/i386.c (ix86_expand_copysign): New.
2393         (ix86_split_copysign_const): New.
2394         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2395         rearrange op1/nmask operands.
2396         * config/i386/i386-protos.h: Update.
2397         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2398         (copysigndf3): Likewise.
2399         (copysignsf3_const, copysigndf3_const): New.
2400         (copysignsf3_var): Rename from copysignsf3, split out splitter
2401         and fix split predicate for X constraint.
2402         (copysigndf3_var): Similarly.
2403
2404 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2405
2406         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2407         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2408         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2409
2410 2005-01-29  Richard Henderson  <rth@redhat.com>
2411
2412         PR target/19690
2413         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2414         of # and * in constraints.
2415
2416 2005-01-29  Richard Henderson  <rth@redhat.com>
2417
2418         PR middle-end/19689
2419         * expr.c (store_field): Don't strip sub-mode cast when the input
2420         data is even smaller.
2421
2422 2005-01-29  Richard Henderson  <rth@redhat.com>
2423
2424         PR middle-end/19687
2425         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2426         union being empty.
2427
2428 2005-01-29  Richard Henderson  <rth@redhat.com>
2429
2430         * combine.c (make_field_assignment): Fix argument order
2431         to gen_int_mode.
2432
2433 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2434
2435         PR tree-optimization/15791
2436         * fold-const.c (extract_array_ref): New function.
2437         (fold): Fold comparisons between &a[i] and &a[j] or
2438         semantically equivalent trees.
2439
2440 2005-01-29  Jeff Law  <law@redhat.com>
2441
2442         * gcse.c (insert_expr_in_table): Revamp handling of available
2443         and anticipatable occurrence lists to avoid unnecessary list
2444         walking.
2445         (insert_set_in_table): Similarly.
2446
2447 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2448
2449         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2450         build string type.
2451         (c_build_qualified_type): Build qualified array types with
2452         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2453         * c-decl.c (c_make_fname_decl): Build unqualified array type
2454         before qualified type.
2455         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2456         type is qualified, not just if type itself is.  Don't apply
2457         qualifiers to array type when declarator is processed.  Apply
2458         qualifiers to field type whether or not it is an array type.
2459         Don't handle array types specially for applying qualifiers to
2460         variables.
2461         * c-typeck.c (composite_type): Build unqualified element type and
2462         array type when forming composite of array types.
2463         (common_pointer_type, comptypes, comp_target_types,
2464         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2465         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2466         types.
2467         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2468         (args2) in variables a1 and a2.
2469
2470 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2471
2472         * cse.c (n_elements_made, max_elements_made): Remove.
2473         (insert): Don't touch n_elements_made.
2474         (cse_main): Don't touch n_elements_made or max_elements_made.
2475
2476 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2477
2478         PR target/15384
2479         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2480         configuration part of dp-bit.c to be lost.
2481
2482 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2483
2484         * expmed.c (expand_mult_highpart_optab): When attempting to use
2485         a non-widening multiplication in a wider mode, the operands need
2486         to be converted (zero or sign extended) to that mode.
2487
2488 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2489
2490         PR middle-end/16558
2491         PR middle-end/19583
2492         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2493         through if both operands fall through.
2494
2495 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2496
2497         * cse.c (fold_rtx) <PC>: Don't optimize.
2498
2499 2005-01-28  Jeff Law  <law@redhat.com>
2500
2501         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2502         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2503
2504 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2505
2506         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2507         cse_reg_info_used_list_end): Remove.
2508         (cse_reg_info_list, cse_reg_info_list_free): New.
2509         (get_cse_reg_info): When allocating an instance of
2510         cse_reg_info, add it to the beginning of the cse_reg_info_list
2511         list.  Remove code to maintain cse_reg_info_used_list.
2512         (new_basic_block): Reset the free list to the beginning of
2513         cse_reg_info_list.
2514
2515 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2516
2517         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2518         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2519         (frv_expand_mdpackh_builtin): New function.
2520         (frv_expand_builtin): Use it to expand __MDPACKH.
2521         * doc/extend.texi (__MDPACKH): Update documentation.
2522
2523 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2524
2525         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2526         SSE_FLOAT_MODE_P for use_sse computation.
2527
2528 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2529
2530         PR target/19663
2531         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2532
2533 2005-01-27  Richard Henderson  <rth@redhat.com>
2534
2535         * builtins.c (expand_builtin_copysign): New.
2536         (expand_builtin): Call it.
2537         * genopinit.c (optabs): Add copysign_optab.
2538         * optabs.c (init_optabs): Initialize it.
2539         (expand_copysign): New.
2540         * optabs.h (OTI_copysign, copysign_optab): New.
2541         (expand_copysign): Declare.
2542
2543         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2544         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2545
2546         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2547         (ix86_expand_fp_absneg_operator): ... here.
2548         (ix86_split_copysign): New.
2549         * config/i386/i386-protos.h: Update.
2550         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2551         (copysignsf3, copysigndf3): New.
2552
2553         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2554         (copysignsf3, ncopysignsf3): New.
2555         (copysigndf3, ncopysigndf3): New.
2556         (copysignxf3, ncopysignxf3): New.
2557         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2558
2559 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2560             Kazu Hirata  <kazu@cs.umass.edu>
2561
2562         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2563         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2564         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2565         NULL_RTX.
2566
2567 2005-01-27  Jeff Law  <law@redhat.com>
2568
2569         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2570         definitions of SSA_NAMEs which are not being rewritten.
2571         (rewrite_ssa_into_ssa): Only initialize the current definition
2572         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2573         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2574         SSA_NAMEs before returning.
2575
2576 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2577
2578         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2579         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2580         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2581         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2582         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2583
2584 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2585
2586         PR middle-end/17278
2587         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2588         higher to -O2 and higher.  Likewise for tree PRE.
2589         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2590         and better.
2591
2592 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2593
2594         PR middle-end/19583
2595         * gimple-low.c (try_catch_may_fallthru): New static function.
2596         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2597         * tree-inline.c (expand_call_inline): Don't warn about reaching
2598         the end of a non-void function being inlined if the function uses
2599         a return slot.
2600
2601 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2602
2603         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2604
2605         PR c/18946
2606         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2607         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2608         (implicitly_declare): Handle error_mark_node.
2609
2610 2005-01-27  Richard Henderson  <rth@redhat.com>
2611
2612         PR tree-opt/14329
2613         * tree.h (struct tree_decl): Add debug_expr_is_from.
2614         (DECL_DEBUG_EXPR_IS_FROM): New.
2615         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2616         * dwarf2out.c (dwarf2out_var_location): Update to match.
2617         * tree-outof-ssa.c (create_temp): Likewise.
2618         * var-tracking.c (track_expr_p): Likewise.
2619         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2620         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2621         * toplev.c (default_tree_printer): Likewise.
2622
2623 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2624
2625         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2626         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2627
2628 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2629
2630         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2631         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2632         ASM_CLOBBERS): Add tree checks.
2633
2634         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2635         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2636         * c-common.def (SWITCH_STMT): Update to match.
2637         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2638         macros instead of SWITCH_EXPR ones.
2639         * c-dump.c (c_dump_tree): Likewise.
2640         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2641         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2642
2643         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2644
2645 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2646
2647         * unwind-dw2.c (execute_stack_op): Add missing cases for
2648         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2649
2650 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2651
2652         * config.gcc (Obsolete configurations): Remove 'dummy', add
2653         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2654         sparc-*-openbsd*.
2655
2656 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2657
2658         PR tree-optimization/19633
2659         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2660         CALL_EXPRs.
2661         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2662         are no call-clobbered variables.
2663         * tree-outof-ssa.c (check_replaceable): Return false for calls
2664         with side-effects.
2665
2666 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2667
2668         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2669         even for variables with NULL DECL_INITIAL.
2670
2671 2005-01-26  Stuart Hastings  <stuart@apple.com>
2672
2673         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2674
2675 2005-01-26  Richard Henderson  <rth@redhat.com>
2676
2677         PR middle-end/18008
2678         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2679         field's type.
2680         * expr.c (store_field): Strip conversions to odd-bit-sized types
2681         if the destination field width matches.
2682
2683 2005-01-26  Richard Henderson  <rth@redhat.com>
2684
2685         * c-decl.c, expmed.c, expr.c: Revert last change.
2686
2687 2005-01-26  Richard Henderson  <rth@redhat.com>
2688
2689         PR middle-end/18008
2690         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2691         field's type.
2692         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2693         if we don't need the bits above those present in the current mode.
2694         * expr.c (store_field): Strip conversions to odd-bit-sized types
2695         if the destination field width matches.
2696
2697 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2698
2699         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2700         either -ffast-math or -funsafe-math-optimizations is in use.
2701
2702 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2703
2704         PR target/19293
2705         PR target/19329
2706         * config/avr/avr.c (notice_update_cc): Only set condition code for
2707         ashrqi3 if shift count > 0.
2708         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2709         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2710         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2711         count <= 0 as a no-op, and shift count >= width by copying zero
2712         or sign bit to all bits of the result.
2713         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2714         count, with attribute "length" set to 0 and "cc" set to "none".
2715
2716 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2717
2718         * doc/invoke.texi: Document -mTLS.
2719
2720         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2721         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2722         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2723         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2724         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2725         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2726         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2727         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2728
2729         * configure.ac: Check for a TLS capable gas.
2730
2731         * configure: Regenerate.
2732
2733 2005-01-26  Richard Henderson  <rth@redhat.com>
2734
2735         PR middle-end/18008
2736         * combine.c (make_field_assignment): Simplify store to zero_extract
2737         from a source with an overlapping mask.
2738
2739 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2740
2741         2004-11-11  Eric Christopher  <echristo@redhat.com>
2742
2743         * config/frv/frv.md: Add fr400_integer automaton. Don't
2744         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2745         to TYPE_MACC.
2746
2747 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2748
2749         PR middle-end/16585
2750         * cfgbuild.c (make_edges): Do not clear or set
2751         current_function_has_computed_jump.
2752         * function.h (struct function): Remove the has_computed_jump field.
2753         (current_function_has_computed_jump): Do not define.
2754         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2755         in a computed jump.  Ignore current_function_has_computed_jump.
2756
2757 2005-01-26  Richard Henderson  <rth@redhat.com>
2758
2759         PR middle-end/19515
2760         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2761         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2762         fully initialized.
2763         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2764         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2765         objects into static storage if they have more than one non-zero value.
2766         * tree.h (categorize_ctor_elements): Update decl.
2767
2768 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2769
2770         PR middle-end/19616
2771         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2772         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2773         to this function from 2004-07-10.
2774         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2775         the current function for tail call optimizations if the address
2776         of one of it its arguments is taken.
2777
2778 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2779
2780         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2781
2782 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2783
2784         * function.c (expand_function_end): If current_function_calls_alloca,
2785         emit stack restore in a place that is reached when the function falls
2786         through at the end.
2787
2788 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2789
2790         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2791         rule to avoid matching inappropriate suffix rule.
2792
2793 2005-01-26  Jan Hubicka  <jh@suse.cz>
2794
2795         PR tree-optimization/19241
2796         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2797
2798 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2799
2800         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2801         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2802         of doubling.
2803         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2804         <sim*>: Always use crt1.o, regardless of N in simN.
2805         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2806         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2807         (CRT_CALL_STATIC_FUNCTION): Remove.
2808         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2809         use crt1.o, regardless of N in simN.
2810         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2811         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2812         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2813         case isystem setting.
2814         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2815
2816 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2817
2818         * gimple-low.c (block_may_fallthru): Correct handling of
2819         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2820
2821 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2822
2823         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2824         handlers to match indentation; nested under the mtune=* handler.
2825         Similar for mcpu= and march=.
2826
2827 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2828
2829         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2830         * config/mips/linux64.h (LIB_SPEC): Likewise.
2831         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2832         * config/sh/linux.h (LIB_SPEC): Likewise.
2833
2834 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2835
2836         * config/frv/frv.c (frv_legitimize_tls_address): New.
2837         (TARGET_HAVE_TLS): Define.
2838         (FRV_SYMBOL_REF_TLS_P): Define.
2839         (frv_override_options): Handle new register classes.
2840         (frv_legitimate_address_p): Reject tls addresses.
2841         (frv_legitimize_address): Handle TLS addresses.
2842         (gen_inlined_tls_plt): New.
2843         (gen_tlsmoff): New.
2844         (frv_legitimize_tls_address): New.
2845         (unspec_got_name): Add TLS entries.
2846         (got12_operand): Add R_FRV_TLSMOFF12 case.
2847         (frv_emit_move): Fixup TLS addresses.
2848         (frv_emit_movsi): Legitimize TLS addresses.
2849
2850         * config/frv/frv.h (MASK_BIG_TLS): New.
2851         (TARGET_BIG_TLS): New.
2852         (HAVE_AS_TLS): Define.
2853         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2854         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2855         (REG_CLASS_NAMES): Same.
2856         (REG_CLASS_CONTENTS): Same.
2857         (CONSTRAINT_LEN): New.
2858         (REG_CLASS_FROM_CONSTRAINT): New.
2859         (PREDICATE_CODES): Add symbolic_operand.
2860
2861         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2862         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2863         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2864         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2865         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2866         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2867         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2868         GR9_REG, GR14_REG, LRREG.
2869         (type): Add load_or_call attribute.
2870         ("load_or_call"): New reservation.
2871         ("call_gettlsoff"): New.
2872         ("tls_indirect_call"): New.
2873         ("tls_load_gottlsoff12"): New.
2874         ("tlsoff_hilo"): New.
2875         ("tls_tlsdesc_ldd"): New.
2876         ("tls_tlsoff_ld"): New.
2877         ("tls_lddi"): New.
2878
2879         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2880
2881         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2882
2883         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2884         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2885         * config/frv/frv.c (TLS_BIAS): Define.
2886         (frv_output_dwarf_dtprel): New.
2887
2888 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR rtl-optimization/19579
2891         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2892         both A and B, see if they don't clobber registers the other expr uses.
2893
2894 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2895
2896         * real.c (do_add): Initialize signalling and canonical members.
2897
2898         * real.c (real_from_integer): Zero out destination.
2899
2900 2005-01-18  Jan Hubicka  <jh@suse.cz>
2901
2902         PR tree-optimize/19337
2903         * tree-inline.c (initialize_inlined_parameters): Copy
2904         saved_static_chain_decl only.
2905
2906 2005-01-25  Richard Henderson  <rth@redhat.com>
2907
2908         PR target/19556
2909         PR target/19584
2910         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2911         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2912         80387 enabled, to return a proper subclass.  Return the subset that
2913         overlaps with GENERAL_REGS for PLUS.
2914         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2915
2916 2005-01-25  Richard Henderson  <rth@redhat.com>
2917
2918         PR middle-end/19609
2919         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2920
2921 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2922
2923         * expmed.c (choose_multiplier): Change interface to return the
2924         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2925         (expand_divmod): Update calls to choose_multiplier.
2926
2927 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2928
2929         PR middle-end/19330
2930         * expmed.c (extract_bit_field): Use adjust_address instead of
2931         gen_lowpart when op0 is a MEM.
2932
2933 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2934
2935         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2936
2937 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2938
2939         * config/mips/irix-csr.c: New file.
2940         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2941         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2942         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2943         executables.
2944
2945 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2946
2947         PR bootstrap/19364
2948         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2949         sparc/elf.h, add sparc/sp-elf.h.
2950         (sparc-*-rtems*): Likewise.
2951         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2952         tm-dwarf2.h, add sparc/sp-elf.h.
2953         (sparc86x-*-elf): Likewise.
2954         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2955         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2956         TARGET_OS_CPP_BUILTINS.
2957         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2958         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2959         Undefine it.
2960         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2961         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2962         (SWITCH_TAKES_ARG): Likewise.
2963         (LOCAL_LABEL_PREFIX): Likewise.
2964         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2965         (TARGET_N_FORMAT_TYPES): Delete.
2966         (TARGET_FORMAT_TYPES): Likewise.
2967         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2968         * config/sparc/elf.h: Delete.
2969         * config/sparc/sp-elf.h: New file.
2970
2971 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2972
2973         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2974         * tree-flow.h: Remove the corresponding prototype.
2975         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2976         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2977
2978 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR target/17751
2981         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2982         for AIX ABI or ELF -fPIC.
2983         (rs6000_emit_load_toc_table): Don't create toc_section here.
2984         (rs6000_xcoff_file_start): Nor here.
2985
2986 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2987
2988         * sh.c (ra.h): Don't #include.
2989         (hard_regs_intersect_p): New function, resurrected from ra.c.
2990
2991         * sh.c: Fix 1996 Copyright.
2992
2993 2005-01-24  Richard Henderson  <rth@redhat.com>
2994             Aldy Hernandez  <aldyh@redhat.com>
2995
2996         * regrename.c (note_sets): Handle subregs.
2997
2998 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2999
3000         PR bootstrap/18058
3001         * genconditions.c (write_header, write_conditions): Elide file if
3002         not GCC >= 3.0.1.
3003
3004 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3005
3006         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3007         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3008         Update copyright.
3009
3010 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3011
3012         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3013         expand_builtin_printf, expand_builtin_fprintf,
3014         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3015         checking against POINTER_TYPE.
3016         (validate_arglist): Handle POINTER_TYPE code by checking
3017         POINTER_TYPE_P.
3018
3019 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3020
3021         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3022         init_rtlanal): New.
3023         (for_each_rtx): Call for_each_rtx_1.
3024         * rtl.h (init_rtlanal): Declare.
3025         * toplev.c (backend_init): Call init_rtlanal.
3026
3027 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3028
3029         * flow.c (propagate_one_insn): Formatting.
3030
3031         PR middle-end/19551
3032         * flow.c (libcall_dead_p): Be more conservative if unsure.
3033         If there are any instructions between insn and call, see if they are
3034         all dead before saying the libcall is dead.
3035
3036 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3037
3038         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3039         operand constraint for operand 0.
3040
3041 2005-01-23  Richard Henderson  <rth@redhat.com>
3042
3043         PR 19486
3044         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3045         edges leading to join block.
3046
3047 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3048
3049         * expmed.c (expand_mult_highpart): Make static.  Change type of
3050         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3051         (expand_divmod): Updates calls to expand_mult_highpart by using
3052         gen_int_mode to pass a CONST_INT rtx.
3053         * rtl.h (expand_mult_highpart): Remove prototype.
3054
3055 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3056
3057         * flow.c (regset_bytes, regset_size): Remove.
3058
3059         * cfganal.c: Fix a reference to Harvey's paper.
3060
3061 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3062
3063         PR rtl-optimization/19464
3064         * tree-optimize.c (init_tree_optimization_passes): Add one more
3065         copyrename pass just before out-of-ssa.
3066
3067 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3068
3069         PR bootstrap/18058
3070         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3071         * ggc-none.c (ggc_free): Define.
3072
3073 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3074
3075         * cse.c (max_reg, max_insn_uid): Remove.
3076         (cse_main): Don't access max_reg or max_insn_uid.
3077
3078         * c-common.c (explicit_flag_signed_bitfields,
3079         lang_statement_code_p, lang_expand_function_end): Remove.
3080         * c-common.h: Remove the corresponding declarations.
3081         * c-opts.c (c_common_handle_option): Remove all write access
3082         to explicit_flag_signed_bitfields.
3083
3084         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3085         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3086         * cgraph.h: Remove the corresponding declaration.
3087
3088         * gcse.c (null_pointer_info): Remove.
3089
3090 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3091             Eric Botcazou  <ebotcazou@libertysurf.fr>
3092
3093         * combine.c (simplify_logical): Only simplify logical expressions
3094         of the form ior(and(x,y),z) by the inverse distributive law if the
3095         result is cheaper than the original.
3096
3097 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3098
3099         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3100         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3101         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3102         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3103         config/freebsd-spec.h, config/arm/arm.h,
3104         config/h8300/h8300.md, config/i386/i386.md,
3105         config/i386/predicates.md, config/i386/sse.md,
3106         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3107         config/vax/vax.md: Fix comment typos.  Follow spelling
3108         conventions.
3109
3110 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3111
3112         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3113         tests, instead of `less than'.
3114
3115 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3116
3117         * function.c (assign_parm_setup_block): When creating a new stack slot
3118         for a parameter, get its alignment from the parameter's DECL_ALIGN
3119         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3120         is at least word aligned.
3121
3122 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3123
3124         PR middle-end/19378
3125         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3126
3127 2005-01-22  Richard Henderson  <rth@redhat.com>
3128
3129         PR target/19506
3130         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3131         in both compare operands.
3132         (movdfcc_1_sse_max): Likewise.
3133         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3134         (movdfcc_1_sse): Likewise.
3135         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3136         scratch register as needed.
3137
3138 2005-01-22  Richard Henderson  <rth@redhat.com>
3139
3140         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3141
3142         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3143
3144 2005-01-22  Richard Henderson  <rth@redhat.com>
3145
3146         * genopinit.c (optabs): Use smin/smax for floating point too.
3147         * doc/md.texi: Update to match.  Clarify that floating point
3148         results are undefined for +0/-0 and NaN.
3149         * doc/rtl.texi: Likewise.
3150         * rtl.def (SMIN, SMAX): Likewise
3151         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3152
3153         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3154         leading 's' to the name.
3155         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3156         smaxxf3, sminxf3): Likewise.
3157         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3158         Likewise.
3159
3160 2005-01-22  Paul Brook  <paul@codesourcery.com>
3161
3162         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3163
3164 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3165
3166         * config/s390/s390.c (struct processor_costs): New fields
3167         dlgr, dlr, dr, dsgfr, dsgr.
3168         (z900_cost, z990_cost): Values for new fields.
3169         (s390_rtx_costs): New cases MEM und COMPARE in switch
3170         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3171         DIV, MOD, UDIV, UMOD.
3172
3173 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3174
3175         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3176         into the register being decremented.
3177         ("doloop_si31", "doloop_di"): Likewise.
3178         ("*doloop_si_long"): Adapt pattern.
3179
3180 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3181
3182         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3183         access registers.
3184         (CLASS_MAX_NREGS): Likewise.
3185
3186 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3187
3188         * doc/tree-ssa.texi (Statement Operands): Add example for new
3189         must-def macro. Note deprecation of old operands interface.
3190
3191 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3192
3193         PR tree-optimization/19484
3194         * tree-cfg.c (remove_fallthru_edge): New function.
3195         (cleanup_control_flow): Remove fallthru edges from calls that are
3196         now known not to return.
3197
3198 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3199
3200         Fix PR tree-optimization/19038
3201         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3202         copies with loop variant ones.
3203
3204 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3205
3206         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3207         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3208         config/alpha/alpha.md, config/alpha/predicates.md,
3209         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3210         config/sparc/sol2.h: Update copyright.
3211
3212         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3213         first label to see if it is a nonlocal label.
3214
3215 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3216             Andrew Pinski  <pinskia@physics.uc.edu>
3217
3218         PR target/19491
3219         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3220         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3221
3222 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3223
3224         * config/rs6000/rtems.h: Update copyright.
3225
3226 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3227
3228         PR target/19548
3229         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3230         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3231         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3232
3233 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3234
3235         PR c/18809
3236         * c-typeck.c (convert_arguments): Check for error_mark_node.
3237
3238 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3239
3240         PR tree-optimization/13000
3241         * tree-inline.c: Include "tree-flow.h".
3242         (expand_call_inline): If warn_return_type, warn if non-void inline
3243         function falls through.
3244         * tree-cfg.c (execute_warn_function_return): Don't warn about
3245         control reaching end if TREE_NO_WARNING is set.  Set
3246         TREE_NO_WARNING.
3247         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3248         has been lowered.
3249         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3250         branch if we don't need one.
3251         * c-typeck.c: Include "tree-flow.h"
3252         (c_finish_bc_stmt): Don't add a goto if the current statement
3253         list doesn't fall through to the current point.
3254
3255 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3256
3257         PR rtl-optimization/576
3258         * real.c (real_arithmetic): Change return type from void to bool
3259         to return an indication that the result may be inexact.
3260         * real.h (real_arithmeric): Update prototype.
3261         * fold-const.c (const_binop):  Don't constant fold floating
3262         point expressions when the user specifies -frounding-math and
3263         the result may depend upon the run-time rounding mode.
3264         (fold_convert_const_real_from_real): Clean-up.
3265         (fold_initializer): Ignore flag_rounding_math for initializers.
3266         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3267         constant fold FP operations with flag_rounding_math if the
3268         result may depend upon the run-time rounding mode.
3269
3270 2005-01-21  Tom Tromey  <tromey@redhat.com>
3271
3272         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3273
3274 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3275
3276         * tree-cfg.c: Fix comment typos.
3277
3278 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3279
3280         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3281         around the call to rest_of_handle_branch_target_load_optimize.
3282
3283 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3284
3285         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3286         (sparc64-*-openbsd*): Likewise.
3287         (sparclite-*-elf*): Include tm-dwarf2.h.
3288         (sparc86x-*-elf*): Likewise.
3289         (sparc64-*-elf*): Likewise.
3290         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3291         (DBX_DEBUGGING_INFO): Likewise.
3292         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3293         (PREFERRED_DEBUGGING_TYPE): Likewise.
3294         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3295         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3296         (PREFERRED_DEBUGGING_TYPE): Likewise.
3297         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3298         (PREFERRED_DEBUGGING_TYPE): Likewise.
3299         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3300
3301 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3302
3303         PR target/18701
3304         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3305
3306 2005-01-20  Paul Brook  <paul@codesourcery.com>
3307
3308         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3309
3310 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3311
3312         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3313         label is first in a sequence of labels.
3314
3315         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3316
3317 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3318             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3319
3320         * doc/sourcebuild.texi (Test Directives): New.
3321
3322 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3323
3324         * real.c (real_floor): Don't leave the result uninitialized when
3325         mode is VOIDMode, but return the unrounded intermediate value.
3326         (real_ceil): Likewise.
3327
3328 2005-01-20  Paul Brook  <paul@codesourcery.com>
3329
3330         * config/arm/arm.md (insv): Use gen_int_mode.
3331
3332 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3333
3334         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3335         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3336         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3337         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3338         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3339
3340 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3341
3342         Fix PR debug/19124
3343         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3344         fbreg, so we have to assume we can't.
3345         (loc_descriptor_from_tree_1): Ditto.
3346         (containing_function_has_frame_base): New function.
3347         (add_location_or_const_value_attribute): Use it.
3348         Also try to generate a frame_base from a single element location
3349         list.
3350
3351 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3352
3353         PR tree-optimization/15349
3354         * timevar.def (TV_TREE_MERGE_PHI): New.
3355         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3356         PHI_WANTED.
3357         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3358         calls to tree_forwarder_block_p.
3359         (remove_forwarder_block_with_phi, merge_phi_nodes,
3360         gate_merge_phi, pass_merge_phi): New.
3361         * tree-optimize.c (init_tree_optimization_passes): Add
3362         pass_merge_phi.
3363         * tree-pass.h: Add an extern for pass_merge_phi;
3364
3365 2005-01-20  Richard Henderson  <rth@redhat.com>
3366
3367         PR target/19418
3368         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3369         (_mm_castps_pd, _mm_castps_si128): New.
3370         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3371
3372 2005-01-20  Richard Henderson  <rth@redhat.com>
3373
3374         PR target/19530
3375         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3376         __builtin_ia32_vec_init_v2si.
3377         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3378         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3379         (ix86_init_mmx_sse_builtins): Create it.
3380         (ix86_expand_builtin): Expand it.
3381         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3382         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3383         (vec_extractv2si_0, vec_extractv2si_1): New.
3384
3385 2005-01-20  Richard Henderson  <rth@redhat.com>
3386
3387         PR target/16533
3388         * config/i386/i386.c (ix86_expand_push): New.
3389         * config/i386/mmx.md (push<MMXMODE>1): New.
3390         * config/i386/sse.md (push<SSEMODE>1): New.
3391         * config/i386/i386-protos.h: Update.
3392
3393 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3394
3395         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3396         copyright.
3397
3398 2005-01-20  Richard Henderson  <rth@redhat.com>
3399
3400         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3401         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3402
3403 2005-01-19  Richard Henderson  <rth@redhat.com>
3404
3405         PR target/19350
3406         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3407         to V4SFmode in SSE1 fallback load path.
3408
3409 2005-01-19  Richard Henderson  <rth@redhat.com>
3410
3411         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3412         in QImode expansion to ix86_expand_vector_set.
3413         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3414
3415 2005-01-19  Richard Henderson  <rth@redhat.com>
3416
3417         PR target/19511
3418         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3419         subclass of the input class.
3420         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3421         Always true for cross-SSE1 classes.  Rationalize conditionals.
3422         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3423         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3424         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3425         (movdi_2): Add MMX/SSE zeros.
3426         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3427         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3428         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3429         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3430         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3431         (zero_extendsidi2_rex64_1): Remove.
3432         (MOV0 peephole): Check GENERAL_REG_P.
3433
3434 2005-01-19  Richard Henderson  <rth@redhat.com>
3435
3436         PR target/19427
3437         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3438         shufps elements.
3439         (ix86_expand_vector_extract): Likewise.
3440
3441 2005-01-19  Richard Henderson  <rth@redhat.com>
3442
3443         PR middle-end/19304
3444         * expr.c (emit_move_change_mode): New argument force; use
3445         simplify_gen_subreg if true.
3446         (emit_move_via_alt_mode): Merge into ...
3447         (emit_move_via_integer): ... here.
3448         (emit_move_ccmode): Use emit_move_change_mode directly.
3449
3450 2005-01-19  Richard Henderson  <rth@redhat.com>
3451
3452         PR target/19518
3453         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3454         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3455         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3456         rtl if true.
3457         (alpha_emit_set_const): Likewise.  Make static.
3458         (alpha_emit_set_long_const): Make static.
3459         (alpha_extract_integer): Split out from alpha_expand_mov.
3460         (alpha_split_const_mov): Likewise.
3461         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3462         (alpha_legitimate_constant_p): New.
3463         * config/alpha/alpha-protos.h: Update.
3464         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3465         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3466         * config/alpha/alpha.md (movsi): Add n alternative.
3467         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3468         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3469         (splitters for all of the above): Use alpha_split_const_mov.
3470         * config/alpha/predicates.md (non_add_const_operand): New.
3471         (non_zero_const_operand): New.
3472         (input_operand): Use alpha_legitimate_constant_p after reload.
3473
3474 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3475
3476         PR tree-optimization/19038
3477         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3478         (add_candidate): Add ivs with increment in latch only if
3479         allow_ip_end_pos_p is true.
3480         (determine_iv_cost): Use empty_block_p.
3481
3482 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3483
3484         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3485         (compute_dominance_frontiers): Ditto.
3486
3487 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3488
3489         PR target/19529
3490         * config/sh/t-rtems: New.
3491         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3492
3493 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3494
3495         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3496         the offset of the selected field.
3497
3498 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3499
3500         * tree-cfg.c (remove_forwarder_block): Fix the check to
3501         prevent a nonlocal label from appearing in the middle of a
3502         basic block.
3503
3504 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3505
3506         PR rtl-optimization/19462
3507         * reorg.c (find_end_label): Create return insn only if
3508         current_function_epilogue_delay_list is empty.
3509
3510 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3511
3512         * doc/passes.texi: Remove paragraph mentioning new-ra.
3513
3514 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3515
3516         PR rtl-optimization/15139
3517         * combine.c: Include params.h.
3518         (count_rtxs): New function.
3519         (record_value_for_reg): If replace_rtx would replace at least
3520         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3521         (clobber (const_int 0)) instead of TEM.
3522         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3523         * params.h (MAX_LAST_VALUE_RTL): New.
3524         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3525         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3526
3527         PR c/17297
3528         * c-typeck.c (digest_init): Only call build_vector if all constructor
3529         elements are *_CST nodes.
3530         * gimplify.c (gimplify_init_constructor): Likewise.
3531
3532         PR middle-end/19164
3533         * c-typeck.c (digest_init): Only call build_vector if inside_init
3534         is a CONSTRUCTOR.
3535
3536 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3537
3538         * toplev.c (init_asm_output): Remove dead #ifdef.
3539
3540 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3541
3542         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3543
3544 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3545
3546         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3547         accessing DECL_FUNCTION_CODE.
3548         * dojump.c (do_jump): Likewise.
3549         * gimplify.c (gimplify_call_expr): Likewise.
3550         * predict.c (expr_expected_value): Likewise.
3551         (strip_builtin_expect): Likewise.
3552         * tree-inline.c (estimate_num_insns_1): Likewise.
3553         * tree-ssa-loop-im.c (stmt_cost): Likewise
3554         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3555         (tree_expr_nonnegative_p): Likewise.
3556
3557 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3558
3559         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3560         variant of the load_pcrel_sym pattern.
3561         * config/sparc/sparc.md (P macro): Move to the top.
3562         (load_pcrel_sym): Macroize using P.
3563         (save_register_window): Likewise.
3564
3565 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3566
3567         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3568         ("sordered"): Same.
3569
3570 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3571
3572         PR C/19472
3573         * c-typeck.c (build_asm_expr): Strip nops off
3574         input memory operands.
3575
3576 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3577
3578         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3579         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3580         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3581         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3582
3583 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3584
3585         PR target/19379
3586         * config/i386/i386.c (override_options): If the 80387 is disabled,
3587         then do not return FP values using FP registers.
3588
3589 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3590
3591         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3592         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3593         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3594         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3595         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3596         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3597         output.h, postreload-gcse.c, postreload.c, recog.c,
3598         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3599         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3600         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3601         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3602         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3603         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3604         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3605         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3606
3607         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3608         config/alpha/alpha.c, config/arm/vfp.md,
3609         config/i386/emmintrin.h, config/i386/i386-modes.def,
3610         config/i386/i386-protos.h, config/i386/i386.h,
3611         config/i386/pmmintrin.h, config/i386/ppro.md,
3612         config/i386/predicates.md, config/i386/xmmintrin.h,
3613         config/i860/i860.c, config/ia64/ia64-modes.def,
3614         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3615         config/ia64/ia64.md, config/ia64/itanium1.md,
3616         config/ia64/itanium2.md, config/ia64/predicates.md,
3617         config/iq2000/iq2000.h, config/mips/linux64.h,
3618         config/rs6000/aix41.h, config/rs6000/aix43.h,
3619         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3620         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3621         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3622         config/sparc/linux64.h, config/sparc/litecoff.h,
3623         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3624         config/sparc/sparc.h, config/sparc/sparc.md,
3625         config/sparc/sysv4-only.h: Update copyright.
3626
3627 2005-01-18  Richard Henderson  <rth@redhat.com>
3628
3629         PR target/19496
3630         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3631
3632 2005-01-18  Marc Espie  <espie@openbsd.org>
3633         * config/i386/openbsdelf.h: Typo.
3634
3635 2005-01-18  Richard Henderson  <rth@redhat.com>
3636
3637         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3638         special case for sse.
3639         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3640
3641 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3642
3643         * tree-inline.c (estimate_num_insns_1): Added cases for
3644         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3645
3646 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3647
3648         PR rtl-optimization/19296
3649         * combine.c (simplify_comparison): Rewrite the condition under
3650         which a non-paradoxical SUBREG of a PLUS can be lifted when
3651         compared against a constant.
3652
3653 2005-01-18  Andi Kleen <ak@muc.de>
3654
3655         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3656         * c.opt (-Wpointer-sign): Add.
3657         * doc/invoke.texi: (-Wpointer-sign): Add.
3658
3659 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3660
3661         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3662         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3663         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3664         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3665         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3666         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3667         for TARGET_MIX_SSE_I387.
3668         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3669         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3670         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3671         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3672         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3673         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3674         TARGET_MIX_SSE_I387.
3675         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3676         from expander.
3677
3678 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3679
3680         PR target/19424
3681         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3682         Add movaps alternative for xmm reg->reg move.
3683
3684 2005-01-17  Jeff Law  <law@redhat.com>
3685
3686         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3687         at the end of the main DOM loop rather than just before DOM exits.
3688
3689 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3690
3691         PR tree-optimization/19121
3692         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3693         adding aliases to a name tag, also add them to the pointer's
3694         type tag.
3695         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3696         sensitive alias info at all.  Only check that the two pointers
3697         have compatible pointed-to sets.
3698         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3699         a pointer's type tag is a superset of the alias set of the
3700         pointer's name tag.
3701
3702 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3703
3704         PR target/19357
3705         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3706         comment to document why.
3707
3708 2005-01-17  Richard Henderson  <rth@redhat.com>
3709
3710         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3711         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3712         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3713         sse2_vmsminv2df3_finite): New.
3714         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3715         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3716         Force op1 into register.
3717
3718 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3719
3720         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3721         bubblestrap from always rebuilding build directory.
3722
3723 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3724
3725         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3726         ("*cmpmem_short"): Likewise.
3727
3728 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3729
3730         * basic-block.h: Document BB_* flags.
3731         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3732         use an sbitmap instead.
3733         * sched-rgn.c (compute_trg_info): Likewise.
3734
3735 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3736
3737         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3738         redundant target_cpu_default and extra_parts lines.  Use the default
3739         "from-abi" ISA.
3740         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3741         (SUBTARGET_EXTRA_SPECS): Delete.
3742         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3743         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3744         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3745         and "n32" for -mabi=n32.
3746
3747 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3748
3749         PR c/5675
3750         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3751         fold constant variables into initial values.
3752
3753 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3754
3755         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3756
3757         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3758         through the statements backward.
3759
3760 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3761
3762         PR middle-end/13127:
3763         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3764         a variable set to the return value of the inlined function.
3765
3766 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3767
3768         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3769         when modes are tieable.
3770
3771 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3772
3773         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3774         of pthread_create to find out if threads are enabled.
3775         * gthr-posix95.h (__gthread_active_p): Likewise.
3776
3777 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3778
3779         * common.opt (-fnew-ra): Remove.
3780         * ra*.*: Remove.
3781         * toplev.h (flag_new_regalloc): Remove.
3782         * Makefile.in (ra*.*): Don't mention.
3783         * passes.c (rest_of_handle_new_regalloc): Remove.
3784         (rest_of_handle_combine, rest_of_compilation): Always consider
3785         flag_new_regalloc as false.
3786         * doc/invoke.texi: Don't document -fnew-ra.
3787
3788 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3789
3790         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3791         last parameter to reg_scan.
3792         * loop.c (loop_optimize): Likewise.
3793         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3794         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3795         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3796         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3797         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3798         * regclass.c (reg_scan): Likewise, for the declaration.
3799         * rtl.h (reg_scan): Likewise, for the prototype.
3800
3801 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3802
3803         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3804         mark_dfs_back_edges.
3805
3806 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3807
3808         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3809         (compute_avail): Uses don't go in tmp_gen.
3810
3811 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3812
3813         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3814         loop to look for a free slot in a page entry.
3815
3816 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3817
3818         PR target/16304
3819         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3820         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3821         just before targetm.asm_out.file_end.
3822         * tree.h (process_pending_assemble_output_defs): Declare.
3823         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3824         New functions.
3825         (assemble_alias): Defer generation of assembly code for defines when
3826         TARGET_DEFERRED_OUTPUT_DEFS is true.
3827         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3828         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3829         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3830
3831 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3832
3833         PR target/19336
3834         * pa.c (pa_scalar_mode_supported_p): New function.
3835         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3836         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3837
3838         * pa-protos.h (prefetch_operand): Delete.
3839         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3840         * pa.c (prefetch_operand): Delete.
3841         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3842         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3843         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3844         and prefetch_nocc_operand.
3845         * pa.md (prefetch): Rework to avoid reload problems handling short
3846         displacements when a cache control completer needs to be provided.
3847         (prefetch_32, prefetch_64): Delete.
3848         (prefetch_cc, prefetch_nocc): New patterns.
3849
3850 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3851
3852         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3853
3854 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3855
3856         PR ada/19388
3857         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3858         exceeds maximum alignment for global common data.
3859         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3860         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3861
3862 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3863
3864         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3865
3866 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3867
3868         * harg-reg-set.h (reg_class_names): Prototype global array.
3869         * regclass.c (reg_class_names): Declare here and initialize to
3870         REG_CLASS_NAMES.
3871         (dump_regclass): Remove local declaration of reg_class_names.
3872         (regclass): Likewise.
3873         * cfg.c (dump_flow_info): Likewise.
3874         * ra-debug.c (reg_class_names): Likewise.
3875         * regrename.c (reg_class_names): Likewise.
3876         * reload.c (reg_class_names): Likewise.
3877         * reload1.c (spill_failure): Likewise.
3878         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3879
3880 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3881
3882         * config/s390/s390.md ("reload_outti"): Remove predicate for
3883         output operand.  Abort if operand is not a MEM.
3884         ("reload_outdi", "reload_outdf"): Likewise.
3885
3886 2005-01-15  Marc Espie  <espie@openbsd.org>
3887
3888         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3889         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3890         * config/openbsd.h:  Fix C++ includes for native configurations.
3891         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3892         Add trampoline support.
3893         * config/i386/openbsdelf.h: New.
3894
3895 2005-01-15  Marc Espie  <espie@openbsd.org>
3896
3897         * collect2.c (main): Explicitly parse -dynamic-linker option.
3898
3899 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR tree-optimization/19060
3902         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3903         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3904         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3905         and handle extract_range_from_cond returning false.
3906         * fold-const.c (fold): Optimize comparisons with min/max even for
3907         width > HOST_BITS_PER_WIDE_INT.
3908
3909 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3910
3911         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3912         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3913         Remove little endian multilib variants.
3914         Add mips32 multilib variant.
3915
3916 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3917
3918         * explow.c (copy_all_reg, stabilize): Remove.
3919         * expr.h: Remove the corresponding prototypes.
3920
3921         * rtlanal.c (regs_set_between_p): Remove.
3922         * rtl.h: Remove the corresponding prototype.
3923
3924 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3925
3926         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3927         to rs6000_nonimmediate_operand.
3928         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3929         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3930         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3931         rs6000_nonimmediate_operand.
3932         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3933         rs6000_nonimmediate_operand.
3934
3935 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3936
3937         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3938
3939 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3940
3941         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3942         on e500v2.
3943         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3944         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3945
3946         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3947         (rs6k_nonimmediate_operand): New.
3948         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3949         correctly.
3950         (legitimate_lo_sum_address_p): Same.
3951         (rs6000_legitimize_address): Same.
3952         (rs6000_legitimize_reload_address): Same.
3953         (rs6000_legitimate_address): Same.
3954         (spe_build_register_parallel): Pass DF and DC modes in a DI
3955         register.
3956
3957         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3958         to rs6k_nonimmediate_operand.
3959
3960         * config/rs6000/spe.md ("*frob_df_di"): New.
3961         ("*frob_di_df"): New.
3962         ("*frob_di_df_2"): New.
3963         ("*mov_sidf_e500_subreg0"): New.
3964         ("*mov_sidf_e500_subreg4"): New.
3965         ("*movdf_e500_double"): Change predicate to
3966         rs6k_nonimmediate_operand.
3967
3968 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3969
3970         * postreload.c (move2add_note_store): Only call
3971         trunc_int_for_mode on scalar integers.
3972
3973 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3974
3975         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3976         replace BB_VISITED uses.
3977         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3978         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3979         (tree_dce_done): Free visited_control_parents.
3980         (perform_tree_ssa_dce): Allocate and clear it.
3981         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3982         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3983         instead of BB_VISITED.
3984
3985 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3986
3987         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3988         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3989         Remove unused prototypes.
3990
3991 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3992
3993         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3994         64-bit register usage.
3995         (spe_func_has_64bit_regs_p): Add FIXME note.
3996
3997 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3998
3999         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4000         flag_finite_math_only with flag_unsafe_math_optimizations.
4001
4002 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4003
4004         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4005         end-of-stack check.
4006         (__tpf_eh_return): Copy TPF private stack area from the module
4007         boundary stack frame.  Add check for when module addresses are
4008         equal, but no stub address is found.
4009
4010 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4011
4012         PR target/7525
4013         * arm.h (struct machine_function): Add call_via field.
4014         (thumb_call_via_label): Declare.
4015         * arm.c (thumb_call_via_label): New variable.
4016         (thumb_call_reg_needed): New variable.
4017         (arm_output_function_epilogue): For Thumb code, output any per-function
4018         call-indirect trampolines.
4019         (thumb_call_via_reg): New function.
4020         (arm_file_end): New function.
4021         (TARGET_ASM_FILE_END): Call arm_file_end.
4022         (aof_file_end): Likewise.
4023         * arm-protos.h (thumb_call_via_reg): Declare.
4024         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4025         thumb_call_via_reg in normal case.
4026
4027 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4028
4029         PR middle-end/19084
4030         PR rtl-optimization/19348
4031         * recog.c (peephole2_optimize): Do global life update if some peephole
4032         decides it doesn't need at least one of its inputs and that change
4033         influences liveness at the start of the basic block.
4034
4035         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4036         arguments instead of 1.
4037
4038 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4039
4040         PR middle-end/18820
4041         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4042         zero for nested functions needing a static chain or functions
4043         with a non-constant address.
4044
4045 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4046
4047         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4048         (and (sign_extend X) C) into (zero_extend (and X C)).
4049
4050 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4051
4052         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4053
4054 2005-01-13  Richard Henderson  <rth@redhat.com>
4055
4056         PR target/19009
4057         PR target/19250
4058         PR target/19252
4059         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4060         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4061         not just TARGET_SSE.
4062         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4063         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4064         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4065         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4066         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4067         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4068         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4069         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4070         (movdicc_c_rex64): Rename with '*'.
4071         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4072         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4073         (movsfcc_1_387): Rename from movsfcc_1.
4074         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4075         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4076         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4077         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4078         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4079         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4080         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4081         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4082         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4083         sse_movdfcc_const0_4): Remove.
4084         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4085         recognize min/max early.  Update for changed sse cmove patterns.
4086         (ix86_split_sse_movcc): New.
4087         * config/i386/i386-protos.h: Update.
4088
4089 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4090
4091         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4092         (fix_stmt_v_may_defs): Likewise.
4093
4094 2005-01-13  Richard Henderson  <rth@redhat.com>
4095
4096         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4097         for converting the mask.
4098
4099 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4100
4101         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4102         definition to 600.
4103
4104 2005-01-13  Richard Henderson  <rth@redhat.com>
4105
4106         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4107         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4108         IX86_BUILTIN_MOVDQ2Q): Remove.
4109         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4110         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4111         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4112         shuffling.
4113         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4114         (sse2_pextrw): Fix immediate constraint.
4115         (sse2_loadq, sse2_loadq_rex64): Remove.
4116         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4117         Use __builtin_ia32_vec_ext_<size>.
4118         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4119
4120 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4121
4122         * function.c (assign_parm_setup_block): Look inside original
4123         entry_parm when inspecting PARALLEL.
4124
4125 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4126             Joel Sherrill  <joel@oarcorp.com>
4127
4128         PR target/19399
4129         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4130         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4131         rtems_gxx_recursive_mutex_init.
4132         (__gthread_recursive_mutex_lock): New function.
4133         (__gthread_recursive_mutex_trylock): Likewise.
4134         (__gthread_recursive_mutex_unlock): Likewise.
4135
4136 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4137
4138         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4139
4140 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4141
4142         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4143         (ashrti3_internal): Indicate output is early clobber. Generate result
4144         into output rather than first input. Use move for low word of output
4145         if shift count is exactly 64.
4146         (lshrti3_internal): Likewise.
4147
4148 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4149
4150         PR target/18329
4151         PR target/18330
4152         * reload1.c (delete_output_reload): Don't delete an output reload
4153         if the pseudo lives longer than a single basic block.  Adjust and
4154         improve wording of comment.
4155
4156 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4157
4158         PR target/19334
4159         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4160         of TYPE_SIZE where we mean the number of bytes.
4161
4162 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4163
4164         * function.c (assign_parm_setup_block): Relax condition on
4165         multi-register optimization.
4166
4167 2005-01-12  Nick Clifton  <nickc@redhat.com>
4168
4169         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4170         an "in_delay_slot" attribute of "no" to prevent them being used in
4171         delay slots.  This is forbidden because they might generate
4172         exceptions.
4173
4174 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4175
4176         PR target/19389
4177         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4178         with r->Y and Y->r.
4179
4180 2005-01-12  Nick Clifton  <nickc@redhat.com>
4181
4182         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4183         passed on to GAS) but do not define, as GAS no longer supports or
4184         needs the -m2000 option.
4185
4186 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4187
4188         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4189         type as args of unprototyped builtins aren't automatically promoted.
4190         (fold_builtin_abs): Likewise.
4191
4192 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4193
4194         * Makefile.in: Set a `build-warn' variable.
4195
4196 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4197
4198         PR tree-optimization/17949
4199         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4200         (find_interesting_uses_address): Use it.
4201
4202 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4203
4204         * regrename.c (kill_value): Handle subreg's that won't simplify.
4205
4206 2005-01-11  Richard Henderson  <rth@redhat.com>
4207
4208         PR target/13366
4209         * config/i386/i386.h (enum ix86_builtins): Move ...
4210         * config/i386/i386.c: ... here.
4211         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4212         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4213         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4214         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4215         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4216         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4217         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4218         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4219         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4220         IX86_BUILTIN_LOADDDUP): Remove.
4221         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4222         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4223         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4224         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4225         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4226         (ix86_init_builtins): Make static.
4227         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4228         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4229         if all the modes match.  Otherwise, fake it.
4230         (get_element_number, ix86_expand_vec_init_builtin,
4231         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4232         (ix86_expand_builtin): Make static.  Update for changed builtins.
4233         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4234         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4235         (ix86_expand_vector_init_duplicate): New.
4236         (ix86_expand_vector_init_low_nonzero): New.
4237         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4238         Split out from ix86_expand_vector_init; handle integer modes.
4239         (ix86_expand_vector_init): Use them.
4240         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4241         * config/i386/i386-protos.h: Update.
4242         * config/i386/predicates.md (reg_or_0_operand): New.
4243         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4244         (movv2sf_internal): Likewise.  And a splitter to match them all.
4245         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4246         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4247         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4248         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4249         (mmx_pinsrw): Fix operand ordering.
4250         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4251         rather than sse_loadss expander.
4252         (movv2df splitter): Similarly.
4253         (sse_loadss, sse_loadlss): Remove.
4254         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4255         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4256         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4257         (sse3_movddup): Rename with '*'.
4258         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4259         (sse2_loadsd): Remove.
4260         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4261         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4262         (sse2_pinsrw): Fix argument ordering.
4263         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4264         (sse2_stored): Remove 'r' destination.
4265         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4266         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4267         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4268         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4269         vec_extractv16qi, vec_initv16qi): New.
4270
4271         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4272         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4273         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4274         constructor form.
4275         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4276         (_mm_load_si128, _mm_store_si128): Likewise.
4277         (_mm_load1_pd): Use _mm_set1_pd.
4278         (_mm_load_sd): Use _mm_set_sd.
4279         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4280         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4281         (_mm_set_epi64): Use _mm_set_epi64x.
4282         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4283         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4284         _mm_setr_epi8): Use _mm_set_foo form.
4285         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4286         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4287         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4288         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4289         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4290         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4291         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4292         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4293         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4294         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4295         (_mm_movedup_pd): Use _mm_shuffle_pd.
4296         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4297         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4298         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4299         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4300         Use _mm_setzero_ps.
4301         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4302         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4303         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4304         (_mm_store_ps): Use raw dereference.
4305         (_mm_store1_ps): Use _mm_storeu_ps.
4306         (_mm_storer_ps): Use _mm_store_ps.
4307         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4308         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4309
4310 2005-01-11  Stan Shebs  <shebs@apple.com>
4311
4312         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4313         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4314
4315 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4316
4317         PR target/18761
4318         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4319         Skip all DECLs except for FIELD_DECLs.
4320
4321 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4322
4323         * config/s390/s390.c (override_options): Return error if
4324         -mbackchain, -mpacked-stack and -mhard-float are used together.
4325         (s390_va_start): Remove the backchain && packed-stack special case.
4326         (s390_gimplify_va_arg): Likewise.
4327         * doc/invoke.texi: Remove the ABI incompatibility note.
4328
4329 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4330
4331         * config/s390/s390.c (struct s390_frame_layout): Remove
4332         save_backchain_p.
4333         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4334         save_backchain_p with TARGET_BACKCHAIN.
4335
4336 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4337
4338         PR target/18916
4339         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4340         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4341         * function.c (locate_and_pad_parm): Set new field.
4342         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4343         Tweak where_pad test to include "none".  Always set mem align for
4344         stack_parm.
4345         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4346         not sufficient for type.
4347         (assign_parm_setup_block): If stack_parm is zero on entry, always
4348         make a new stack local.  Block move old stack parm if necessary
4349         to new aligned stack local.
4350         (assign_parm_setup_stack): Use a block move to handle
4351         potentially misaligned entry_parm.
4352         (assign_parms_unsplit_complex): Specify required alignment when
4353         creating stack local.
4354         * calls.c (compute_argument_addresses): Override alignment of stack
4355         arg calculated from its type with the alignment given by
4356         FUNCTION_ARG_BOUNDARY.
4357         (store_one_arg): Likewise.
4358
4359 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4360
4361         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4362         Change respective itanium_class attribute to ialu.
4363         (shladdp4_internal): New.
4364         * config/ia64/predicates.md (shladd_log2_operand): New.
4365
4366 2005-01-11  Richard Henderson  <rth@redhat.com>
4367
4368         * expr.c (store_constructor): Use rtvec_alloc instead of
4369         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4370
4371 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4372
4373         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4374
4375 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4376
4377         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4378         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4379         (TARGET_RWRELOC): Define.
4380         (ia64_rwreloc_section_type_flags): Delete.
4381         (ia64_section_type_flags): New function.
4382         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4383         (TARGET_RWRELOC): Define.
4384
4385 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4386
4387         PR target/18987
4388         * config/ia64/ia64.c (process_set): For alloc insn, only call
4389         process_epilogue is !frame_pointer_needed.
4390
4391 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4392
4393         PR c++/19355
4394         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4395         unary operator and can't be treated as a binary/comparison operator.
4396
4397 2005-01-10  Richard Henderson  <rth@redhat.com>
4398
4399         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4400         (ix86_return_in_memory): Likewise.
4401         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4402         for choosing register to advance.
4403
4404 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4405
4406         * tree-vectorizer.c, tree.def: Fix comment typos.
4407
4408 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4409
4410         * config/s390/s390.c (struct processor_costs): 4 new fields:
4411         ddbr, ddr, debr, der.
4412         (s390_rtx_costs): More precise handling of divide instructions.
4413
4414 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4415
4416         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4417
4418 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4419
4420         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4421         names resulting from -ffunction-sections/-fdata-sections and linkonce
4422         ones.
4423         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4424         based on the section name. Rearrange the section name comparison logic
4425         slightly so that each section name is compared against at most once.
4426
4427 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4428
4429         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4430         targets for which -fPIC reduces limitations on the GOT size.
4431
4432 2005-01-09  Falk Hueffner  <falk@debian.org>
4433
4434         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4435         X/C1 cmpop C2.
4436
4437 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4438
4439         PR target/18720
4440         * collect2.c (main): Set aixrtl_flag for -brtl option.
4441         (resolve_lib_name): Search for .so file extension before .a
4442         if aixrtl_flag set.
4443
4444 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4445
4446         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4447         (vect_analyze_data_refs_alignment): Add dump prints.
4448
4449 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4450
4451         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4452         expr_invariant_in_loop_p.
4453         Initialize outputs first thing in the function.
4454         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4455         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4456         (vect_analyze_pointer_ref_access): Check that the initial condition of
4457         the access function is loop invariant.
4458
4459 2005-01-09  Richard Henderson  <rth@redhat.com>
4460
4461         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4462         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4463         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4464         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4465         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4466         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4467         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4468         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4469         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4470         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4471         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4472         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4473         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4474         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4475         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4476         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4477         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4478         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4479         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4480         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4481         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4482         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4483         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4484         mmx_ prefix.
4485         (mmx_clrdi, pavgusb): Remove.
4486         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4487         with leading sse_ prefix.
4488         * config/i386/sse.md: Receive them.
4489         * config/i386/mmx.md: New file.
4490         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4491         (subrv2sf3): Turn into expander for normal subtraction.
4492         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4493         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4494         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4495         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4496         commutative; use ix86_binary_operator_ok.
4497         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4498         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4499         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4500         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4501         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4502         Macroize from existing patterns; use ix86_binary_operator_ok.
4503         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4504         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4505         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4506         with vec_select+vec_concat.
4507         (mmx_pshufw, mmx_pshufw_1): Likewise.
4508         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4509         (mmx_uavgv4hi3): Model correctly.
4510         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4511         _mm_xor_si64): Remove casts.
4512
4513 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4514
4515         PR tree-optimization/19224
4516         * tree-scalar-evolution.c (get_instantiated_value,
4517         set_instantiated_value): New functions.
4518         (instantiate_parameters_1): Cache the results.
4519         (instantiate_parameters, resolve_mixers): Initialize and free
4520         the cache.
4521
4522 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4523
4524         * config/i386/i386.md (addhi_4): Correct reference in comment.
4525         (addqi_4): Same.
4526
4527 2005-01-08  Richard Henderson  <rth@redhat.com>
4528
4529         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4530         (_mm_cvtsi128_si64x): Likewise.
4531         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4532         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4533         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4534         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4535         * config/i386/i386-protos.h: Update.
4536         * config/i386/i386.c (print_operand): Add 'H'.
4537         (ix86_fixup_binary_operands): Split out from ...
4538         (ix86_expand_binary_operator): ... here.
4539         (ix86_fixup_binary_operands_no_copy): New.
4540         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4541         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4542         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4543         (safe_vector_operand): Use CONST0_RTX.
4544         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4545         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4546         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4547         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4548         special cases.
4549         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4550         (IX86_BUILTIN_CMPNGESS): New.
4551         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4552         (attr type): Add sselog1.
4553         (attr unit, attr memory): Handle it.
4554         (movti, movti_internal, movti_rex64): Move near other integer moves.
4555         (movtf, movtf_internal): Move near other fp moves.
4556         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4557         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4558         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4559         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4560         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4561         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4562         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4563         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4564         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4565         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4566         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4567         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4568         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4569         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4570         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4571         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4572         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4573         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4574         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4575         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4576         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4577         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4578         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4579         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4580         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4581         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4582         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4583         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4584         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4585         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4586         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4587         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4588         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4589         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4590         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4591         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4592         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4593         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4594         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4595         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4596         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4597         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4598         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4599         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4600         same time.
4601         (SSEPUSH, push<SSEPUSH>): Remove.
4602         (MMXPUSH, push<MMXPUSH>): Remove.
4603         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4604         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4605         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4606         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4607         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4608         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4609         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4610         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4611         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4612         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4613         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4614         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4615         (ppro_sse_log_V4SF): Handle sselog1.
4616         * config/i386/predicates.md (const_0_to_1_operand): New.
4617         (const_0_to_255_mul_8_operand): New.
4618         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4619         (const_2_to_3_operand, const_4_to_7_operand): New.
4620         * config/i386/sse.md: New file.
4621         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4622         (sse_movups): Rename from sse_movups_1.
4623         (sse_loadlss): Rename from sse_loadss_1.
4624         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4625         from the name.
4626         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4627         (absv4sf2, negv2df, absv2df): New.
4628         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4629         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4630         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4631         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4632         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4633         (sse3_addsubv4sf3): Model correctly.
4634         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4635         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4636         (sse_movhlps): Model with vec_select+vec_concat.
4637         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4638         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4639         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4640         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4641         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4642         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4643         sse2_pshufhw_1): Likewise.
4644         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4645         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4646         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4647         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4648         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4649         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4650         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4651         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4652         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4653         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4654         sminv8hi3): Mark commutative
4655         operands.  Use ix86_binary_operator_ok.
4656         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4657         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4658         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4659         sse2_punpcklqdq): Allow operand2 in memory.
4660         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4661         sse2_movsd): Add memory alternatives.
4662         (sse_storelps): Turn expander into an insn; split after reload.
4663         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4664         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4665
4666 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4667
4668         * configure.ac (DWARF-2 debug_line): Use objdump.
4669         * configure: Regenerate.
4670
4671 2005-01-08  Jeff Law  <law@redhat.com>
4672             Diego Novillo  <dnovillo@redhat.com>
4673
4674         PR tree-optimization/18241
4675         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4676         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4677         statements with volatile operands.
4678         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4679         operands after marking a statement with has_volatile_ops.
4680
4681 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4682
4683         * tree.c (int_fits_type_p): Always honor integer constant
4684         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4685
4686 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4687
4688         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4689         the latent bug in rtl_delete_block has been resolved.
4690
4691 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4692
4693         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4694         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4695
4696 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4697
4698         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4699         library as @multilib_dir@/$(SHLIB_SONAME).
4700
4701 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4702
4703         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4704         * configure: Regenerate.
4705
4706 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4707
4708         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4709         TYPE_MODE.
4710
4711 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4712
4713         PR target/13674
4714         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4715         Convert non-word aligned offset address using ld/std into
4716         indirect address.
4717
4718 2005-01-07  Richard Henderson  <rth@redhat.com>
4719
4720         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4721
4722 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4723
4724         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4725
4726 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4727
4728         PR tree-optimization/19283
4729         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4730         is not shorter than the original type.
4731
4732         PR rtl-optimization/19012
4733         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4734
4735         PR rtl-optimization/18861
4736         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4737         (FULL_STATE): Define.
4738         (mark_tablejump_edge): New function.
4739         (purge_dead_tablejump_edges): New function.
4740         (find_bb_boundaries): Use it.
4741
4742         PR tree-optimization/18828
4743         * builtins.c (expand_builtin_next_arg): Remove argument and all
4744         the argument checking.
4745         (expand_builtin): Adjust caller.
4746         (expand_builtin_va_start): Likewise.  Remove error for too many
4747         arguments.
4748         (fold_builtin_next_arg): Issue error for too many arguments.
4749         After checking arguments, replace them with magic arguments that
4750         prevent further checking of the args.
4751
4752 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4753
4754         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4755
4756 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4757
4758         PR target/6077
4759         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4760         and %{.S:...} (and their negative variants) to test whether the
4761         input file is assembler or pre-processed-assembler independent of
4762         the actual filename extension.
4763
4764 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4765
4766         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4767         of sign or zero extended values.
4768
4769 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4770
4771         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4772         for IBM long double format correctly.
4773
4774 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4775
4776         Fix PR tree-optimization/18792
4777
4778         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4779         to first_loop_depth, and use loop depth instead of loop number.
4780         (build_classic_dir_vector): Ditto.
4781         (compute_data_dependences_for_loop): Use depth, not loop number.
4782         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4783         number. Pass in loops, instead of loop numbers.
4784         (gather_interchange_stats): Ditto.
4785         (linear_transform_loops): Ditto.
4786
4787 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4788
4789         PR rtl-opt/13299
4790         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4791         biv_fits_mode_p, extension_within_bounds_p): New functions.
4792         (check_ext_dependent_givs): Use them.
4793
4794 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4795
4796         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4797         more than one barrier, in which case we should delete them all.
4798
4799 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4800
4801         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4802
4803 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4804
4805         Fix PR middle-end/19286
4806         Fix PR debug/19267
4807         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4808         output this subprogram, simply ignore this attempt to do it again.
4809         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4810         origin attribute if it's not possible.
4811         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4812         (decls_for_scope): Ditto.
4813         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4814         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4815
4816 2005-01-05  Richard Henderson  <rth@redhat.com>
4817
4818         PR target/11327
4819         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4820         (bdesc_2arg): Use it.
4821         (ix86_expand_binop_builtin): Force operands into registers
4822         when optimizing.
4823         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4824         ix86_expand_sse_compare, ix86_expand_sse_comi,
4825         ix86_expand_builtin): Likewise.
4826
4827 2005-01-05  Richard Henderson  <rth@redhat.com>
4828
4829         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4830         and VEC_SELECT.
4831         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4832         (mulv4hi3): Set itanium_class mmmul.
4833         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4834         (fpack): Rename from fpack_sfsf.
4835
4836 2005-01-05  Richard Henderson  <rth@redhat.com>
4837
4838         PR rtl-opt/10692
4839         * reload1.c (do_input_reload): Restrict the optimization deleteing
4840         a previous output reload to RELOAD_FOR_INPUT.
4841
4842 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4843
4844         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4845         comment that we fall through after case.
4846         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4847         (distribute_links): Likewise.
4848         * cse.c (cse_insn): Likewise.
4849         * cselib.c (cselib_invalidate_mem): Likewise.
4850         * df.c: Update comments at the top of the file.
4851         (read_modify_subreg_p): Update comments here too.
4852         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4853         * flow.c (mark_set_1): Likewise.
4854         (mark_used_regs): Likewise.
4855         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4856         (canon_list_insert): Likewise.
4857         (mark_set): Likewise.
4858         (try_replace_reg): Likewise.
4859         (store_killed_in_insn): Likewise.
4860         * loop.c (count_one_set): Likewise.
4861         (basic_induction_var): Likewise.
4862         * postreload-gcse.c (find_mem_conflicts): Likewise.
4863         * postreload.c (reload_combine_note_store): Likewise.
4864         (move2add_note_store): Likewise.
4865         * reload.c (find_equiv_reg): Likewise.
4866         (mark_referenced_resources): Likewise.
4867         * rtlanal.c (set_noop_p): Likewise.
4868         (note_stores): Likewise.
4869         (note_uses): Likewise.
4870         * sched-deps.c (sched_analyze_1): Likewise.
4871         * sched-rgn.c (check_live_1): Likewise.
4872         (update_live_1): Likewise.
4873         * config/i860/i860.c: Likewise.
4874
4875         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4876         an lvalue.
4877         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4878
4879         * doc/rtl.texi: Update documentation for bit-fields and SET.
4880
4881 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4882
4883         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4884
4885 2005-01-05  Jan Hubicka  <jh@suse.cz>
4886             Richard Henderson  <rth@redhat.com>
4887
4888         PR target/18910
4889         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4890         with an offset.
4891
4892 2005-01-05  Richard Henderson  <rth@redhat.com>
4893
4894         PR target/12902
4895         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4896         (sse_shufps): Change operand 3 to const_int_operand.
4897         (sse2_storelps): Fix typo in template.
4898         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4899         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4900         (ix86_expand_builtin): Likewise.
4901
4902 2005-01-05  Julian Brown  <julian@codesourcery.com>
4903
4904         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4905         as aggregates for AAPCS ABIs.
4906
4907 2005-01-05  Stan Shebs  <shebs@apple.com>
4908
4909         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4910         Mach-O getters if ppc64.
4911         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4912         size argument.
4913         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4914         signed four-byte field for global code case.
4915         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4916
4917 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4918
4919         PR middle-end/19100
4920         * c-common.c: Include real.h.
4921         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4922         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4923         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4924         * Makefile.in (c-common.o): Update dependencies.
4925
4926 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4927
4928         * c-parse.in (asm_string): Add trailing semicolon.
4929
4930 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4931
4932         * c-parse.in (asm_string): New.  Don't allow wide strings in
4933         'asm'.
4934         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4935         asm_string instead of STRING.
4936
4937 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4938
4939         * c-typeck.c (constructor_no_implicit): Remove.
4940         (set_designator, process_init_element): Don't check
4941         constructor_no_implicit.
4942
4943 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4944             Kaz Kojima  <kkojima@gcc.gnu.org>
4945
4946         PR target/16482
4947         * lcm.c (create_pre_exit): New.
4948         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4949         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4950
4951 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4952
4953         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4954         -msoft-float in target_float_switch.
4955         * arm.c (arm_override_options): Fix processing of target_float_switch.
4956
4957 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4958
4959         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4960         preferencing.
4961
4962 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4963
4964         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4965         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4966
4967 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4968
4969         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4970         if deleting the then-block allows the test-block to fallthru to the
4971         else-block.
4972
4973 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4974
4975         PR c/19152
4976         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4977         after the full declaration if the are in two different TUs.
4978
4979 2005-01-04  Richard Henderson  <rth@redhat.com>
4980
4981         PR tree-opt/19158
4982         * tree-sra.c (generate_one_element_init): Just
4983         call gimplify_and_add.
4984         (generate_element_init): Record the
4985         new referenced variables and mark them for renaming
4986         and split out to ...
4987         (generate_element_init_1): This.
4988         (scalarize_init): Don't call push_gimplify_context/
4989         pop_gimplify_context.
4990
4991 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4992
4993         * toplev.c (get_src_pwd): Handle failure of getpwd().
4994
4995 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4996
4997         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4998         of TRUTH_NOT_EXPR.
4999         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5000         all the cases handled by it are inverted by invert_truthvalue.
5001
5002 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5003
5004         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5005         (save_register_windowsi): Likewise.
5006
5007 2005-01-04  Richard Henderson  <rth@redhat.com>
5008
5009         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5010
5011 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5012
5013         PR middle-end/17767
5014         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5015         any simplifications of vector mode comparison operators.
5016         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5017
5018 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5019             Devang Patel  <dpatel@apple.com>
5020
5021         PR tree-optimization/18308
5022         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5023         the operands before creating a new expression.
5024         * dojump.c (do_jump): Make drop_through_label available
5025         for all cases.  Add expansion of COND_EXPR.
5026
5027 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5028
5029         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5030         INTEGER_CST instead of TREE_CONSTANT.
5031         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5032         instead of TREE_CONSTANT.
5033         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5034         instead of TREE_CONSTANT.
5035
5036 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5037
5038         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5039
5040 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5041
5042         PR target/19240
5043         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5044         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5045
5046 2005-01-03  Richard Henderson  <rth@redhat.com>
5047
5048         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5049         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5050         fold_convert_const_real_from_real): Split out from ...
5051         (fold_convert_const): ... here.
5052
5053 2005-01-03  Richard Henderson  <rth@redhat.com>
5054
5055         PR target/19235
5056         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5057         (mov<MMXMODEI>_internal): Likewise.
5058         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5059         Add V2SF case; use it for SSE1; don't use TI.
5060         (movdf_integer): Likewise.
5061         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5062
5063 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5064
5065         * tree-vectorizer.c (vect_strip_conversions): New function.
5066         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5067         check for binary class.
5068
5069 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5070
5071         Fix PR debug/17924
5072         Fix PR debug/19191
5073         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5074         is a decl.
5075         * gimple-low.c (mark_blocks_with_used_vars): New function.
5076         (mark_blocks_with_used_subblocks): Ditto.
5077         (mark_used_blocks): Ditto.
5078         (pass_mark_used_blocks): New pass.
5079         * tree-inline.c: Include debug.h.
5080         (expand_call_inline): Call outlining_inline_function here.
5081         * tree-optimize.c (init_tree_optimization_passes): Add
5082         pass_mark_used_blocks.
5083         * tree-pass.h (pass_mark_used_blocks): New.
5084         * Makefile.in (tree-inline.o): Add debug.h dependency.
5085
5086 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5087
5088         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5089         VAR_DECLs to have weak_import attribute.
5090
5091         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5092         'struct ucontext'.
5093
5094 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5095
5096         * passes.c (rest_of_compilation): Don't run regmove if only
5097         flag_expensive_optimizations, require flag_regmove instead.
5098
5099 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5100
5101         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5102         register "sparc".
5103         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5104         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5105         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5106         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5107
5108 2005-01-03  Richard Henderson  <rth@redhat.com>
5109
5110         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5111         (ia64_const_ok_for_letter_p): New.
5112         (ia64_const_double_ok_for_letter_p): New.
5113         (ia64_extra_constraint): New.
5114         (ia64_expand_vecint_compare): New.
5115         (ia64_expand_vcondu_v2si): New.
5116         (ia64_expand_vecint_cmov): New.
5117         (ia64_expand_vecint_minmax): New.
5118         (ia64_print_operand): Add 'v'.
5119         (ia64_preferred_reload_class): New.
5120         (ia64_vector_mode_supported_p): New.
5121         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5122         (PREFERRED_RELOAD_CLASS): Move to function.
5123         (CONST_OK_FOR_LETTER_P): Move to function.
5124         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5125         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5126         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5127         (EXTRA_CONSTRAINT): Move to function.
5128         * config/ia64/ia64.md: Include vect.md.
5129         (itanium_class): Add mmalua.
5130         (type): Handle it.
5131         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5132         (1b_mmalua): New.
5133         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5134         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5135         CONST0_RTX.
5136         (const_int_2bit_operand): New.
5137         (fr_reg_or_0_operand): New.
5138         * config/ia64/ia64-modes.def: Add vector modes.
5139         * config/ia64/ia64-protos.h: Update.
5140         * config/ia64/vect.md: New file.
5141
5142 2005-01-03  Richard Henderson  <rth@redhat.com>
5143
5144         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5145
5146 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5147
5148         PR target/19236
5149         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5150         to SFmode.
5151         (log1pdf2): Change mode of operands[0,1] to DFmode.
5152
5153 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5154
5155         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5156         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5157         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5158         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5159         SPARC_RELAXED_ORDERING.
5160
5161 2005-01-03  Richard Henderson  <rth@redhat.com>
5162             Uros Bizjak  <uros@kss-loka.si>
5163
5164         PR target/14631
5165         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5166         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5167         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5168         handling.
5169         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5170         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5171         const_pow2_1_to_128_operand): New predicates.
5172
5173 2005-01-02  Greg McGary  <greg@mcgary.org>
5174
5175         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5176         anonymous decls.
5177         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5178         object.  [ptr_type]: Remove unused variable.
5179         Remember nearest addressable array-element or record-component
5180         when checking bitfield components.  Tolerate empty BIND_EXPR.
5181
5182 2005-01-01  Richard Henderson  <rth@redhat.com>
5183
5184         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5185         that don't narrow the value.  Fail for other conversions.
5186
5187 2005-01-01  Richard Henderson  <rth@redhat.com>
5188
5189         PR c/19031
5190         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5191         * c-lang.c (finish_file): Don't do it here.
5192         * objc/objc-act.c (objc_finish_file): Likewise.
5193
5194         * cgraph.c (decl_assembler_name_equal): New.
5195         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5196         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5197         * cgraph.h (struct cgraph_varpool_node): Add next.
5198         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5199         * varasm.c (assemble_alias): Mark the target as needed.
5200
5201 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5202
5203         PR middle-end/19221
5204         * function.c (get_arg_pointer_save_area): Use entry_of_function
5205         instead of get_insns.
5206
5207 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5208             Andrew Pinski  <pinskia@physics.uc.edu>
5209             James E. Wilson  <wilson@specifixinc.com>
5210
5211         PR rtl-optimization/12092
5212         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5213         is zero.
5214
5215 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5216             Olivier Hainque  <hainque@act-europe.fr>
5217
5218         * tree.c (int_fits_type_p): A narrower type always fits in a
5219         wider one, except for negative values into unsigned types.
5220
5221 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5222
5223         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5224         with the original constant rather than require TREE_OVERFLOW.
5225
5226 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5227
5228         PR middle-end/17544
5229         * c-decl.c (finish_function): If compiling C99, annotate the
5230         compiler generated return with the current file name and line 0.
5231         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5232         the source line is greater than 0.
5233         (remove_bb): Likewise.
5234
5235 See ChangeLog.12 for earlier changes.