gcc/ChangeLog

   1 2004-05-23  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         Move libcpp to the toplevel.
   4         * Makefile.in: Remove references to libcpp files,
   5         use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
   6         and change hashtable.h to that.
   7         * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
   8         gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
   9         * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
  10         * configure: Regenerate.
  11         * config.in: Regenerate.
  12         * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
  13         * cppcharset.c: Removed.
  14         * cpperror.c: Removed.
  15         * cppexp.c: Removed.
  16         * cppfiles.c: Removed.
  17         * cpphash.c: Removed.
  18         * cpphash.h: Removed.
  19         * cppinit.c: Removed.
  20         * cpplex.c: Removed.
  21         * cpplib.c: Removed.
  22         * cpplib.h: Removed.
  23         * cppmacro.c: Removed.
  24         * cpppch.c: Removed.
  25         * cpptrad.c: Removed.
  26         * cppucnid.h: Removed.
  27         * cppucnid.pl: Removed.
  28         * cppucnid.tab: Removed.
  29         * hashtable.c: Removed.
  30         * hashtable.h: Removed.
  31         * line-map.c: Removed.
  32         * line-map.h: Removed.
  33         * mkdeps.c: Removed.
  34         * mkdeps.h: Removed.
  35         * stringpool.h: Include symtab.h instead of hashtable.h.
  36         * tree.h: Include symtab.h instead of hashtable.h.
  37         * system.h (O_NONBLOCK, O_NOCTTY): Do not define.
  38
  39 2004-05-23 Paolo Bonzini <bonzini@gnu.org>
  40
  41         * gcc.c (struct prefix_list): Add forward declaration.
  42         (do_spec_path): New function, extracted from...
  43         (do_spec_1) <'D'>: ... here.  Drop support for
  44         SPACE_AFTER_L_OPTION.
  45         (do_spec_1) <'I'>: Use do_spec_path.
  46         (process_command): Do not store the 'include' suffix
  47         in include_prefixes.
  48         * system.h: Poison SPACE_AFTER_L_OPTION.
  49
  50 2002-05-23  Roger Sayle  <roger@eyesopen.com>
  51
  52         * fold-const.c (non_lvalue): Explicitly list the tree codes that
  53         need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.
  54
  55 2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>
  56
  57         * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
  58         Update based on printed manual.  Enable setting of offsets for
  59         FSFPRINT and move it to gcc-common.texi.
  60         * doc/gcc.texi: Update FSF printing details.
  61         * doc/gccint.texi: Remove FSF printing details.
  62
  63 2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>
  64
  65         * config/rs6000/t-rs6000: Remove the disabling -Werror.
  66
  67 2004-05-22  Roger Sayle  <roger@eyesopen.com>
  68
  69         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
  70         expand_builtin_strrchr, expand_builtin_strpbrk,
  71         expand_builtin_mempcpy, expand_builtin_memcmp,
  72         expand_builtin_strcmp, expand_builtin_strncmp,
  73         expand_builtin_strcat, std_expand_builtin_va_start,
  74         std_expand_builtin_va_arg, expand_builtin_va_copy,
  75         expand_builtin_signbit, fold_builtin_cabs,
  76         fold_builtin_logarithm, fold_builtin_mempcpy,
  77         fold_builtin_signbit, fold_builtin_isascii,
  78         fold_builtin_toascii, fold_builtin_isdigit,
  79         fold_builtin_1, build_function_call_expr,
  80         simplify_builtin_strchr, simplify_builtin_strrchr,
  81         simplify_builtin_strpbrk, simplify_builtin_strncpy,
  82         simplify_builtin_memcmp, simplify_builtin_strcmp,
  83         simplify_builtin_strncmp, simplify_builtin_strncat,
  84         simplify_builtin_strspn, simplify_builtin_strcspn,
  85         simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
  86         to build with calls to build2, build3 or omit_one_operand.
  87
  88 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
  89
  90         * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
  91         section when generating EABI code.
  92
  93 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
  94
  95         PR 15546
  96         * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
  97         Call mark_decl_referenced on the SYMBOL_REF_DECL.
  98
  99 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
 100
 101         * c-common.c (c_common_truthvalue_conversion): Handle
 102         UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
 103         ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
 104         i.e. set the type to truthvalue_type_node and return.
 105
 106 2004-05-22  Zack Weinberg  <zack@codesourcery.com>
 107
 108        * tree.h (struct tree_decl): Add possibly_inlined bit.
 109         (DECL_POSSIBLY_INLINED): New accessor macro.
 110         * cgraph.h: Remove declaration of cgraph_inline_hash.
 111         * cgraph.c: Remove definition of cgraph_inline_hash.
 112         (hash_node): Revert to hashing DECL_UID.
 113         (eq_node): Take two pointers to cgraph_node structures.
 114         Compare DECL_UIDs.
 115         (cgraph_remove_node): Pass the node directly to htab_find_slot.
 116         (cgraph_varpool_hash_node): Rename hash_varpool_node;
 117         hash on DECL_UID.
 118         (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
 119         pointers to cgraph_varpool_node structures; compare DECL_UIDs.
 120         (cgraph_node): Allocate a temporary node on the stack, fill in
 121         its DECL field, and pass that to htab_find_slot.
 122         (cgraph_varpool_node): Likewise.
 123         (cgraph_function_possibly_inlined_p): If global info is ready,
 124         return the DECL_POSSIBLY_INLINED bit.
 125         * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
 126         instead of mucking with cgraph_inline_hash.
 127
 128 2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 129
 130         * doc/contrib.texi: Add g77 contributors.
 131
 132 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
 133
 134         * calls.c (initialize_argument_information): Forbid sibcalls if a
 135         callee-copied argument is stored in the current function's frame.
 136
 137 2004-05-22  Eric Christopher  <echristo@redhat.com>
 138
 139         * fix-header.c (read_scan_file): Update for add_path change.
 140
 141 2004-05-22  Ben Elliston  <bje@au.ibm.com>
 142
 143         * c.opt (Wmissing-include-dirs): New.
 144         * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
 145         to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
 146         OPT_isystem. Handle case OPT_Wmissing_include_dirs.
 147         * c-incpath.h (add_path): Add fourth (bool) argument.
 148         * c-incpath.c (add_env_var_paths): Pass false to add_path ().
 149         (add_standard_paths): Likewise.
 150         (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
 151         is used and the directory was user-supplied via -I.
 152         (add_path): Set p->user_supplied_p.  Remove duplicated code by
 153         using add_cpp_dir_path ().
 154         * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
 155         (struct cpp_dir): Add user_supplied_p.
 156         * doc/invoke.texi (Warning Options): Document new option.
 157
 158 2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>
 159
 160         * fold-const.c (fold_read_from_constant_string): Convert result to
 161         requested type.
 162
 163 2004-05-21  Richard Henderson  <rth@redhat.com>
 164
 165         * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
 166         (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
 167         Don't mark VA_ARG_EXPRs volatile here.
 168         (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
 169
 170 2004-05-21  Richard Henderson  <rth@redhat.com>
 171
 172         * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
 173         * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
 174
 175 2004-05-21  Roger Sayle  <roger@eyesopen.com>
 176
 177         * fold-const.c (fold, fold_relational_hi_lo,
 178         nondestructive_fold_binary_to_constant,
 179         fold_read_from_constant_string): Use fold_convert instead of convert.
 180         * builtins.c (simplify_builtin, simplify_builtin_strstr,
 181         simplify_builtin_strchr, simplify_builtin_strrchr,
 182         simplify_builtin_strpbrk): Use fold_convert instead of convert.
 183
 184 2004-05-21  Diego Novillo  <dnovillo@redhat.com>
 185
 186         * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
 187         is NULL.
 188
 189 2004-05-21  Jakub Jelinek  <jakub@redhat.com>
 190
 191         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
 192         override sparc.h definition.
 193
 194 2004-05-20  Roger Sayle  <roger@eyesopen.com>
 195
 196         * tree.c (array_type_nelts, save_expr, substitute_in_expr,
 197         get_unwidened, get_narrower): Replace build with build2.
 198         * fold-const.c (negate_expr, associate_trees, size_binop,
 199         fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
 200         pedantic_omit_one_operand, distribute_bit_expr,
 201         make_bit_field_ref, optimize_bit_field_compare,
 202         decode_field_reference, range_binop, make_range,
 203         build_range_check, fold_range_test, fold_truthop,
 204         optimize_minmax_comparison, extract_muldiv_1,
 205         fold_binary_op_with_conditional_arg, fold_mathfn_compare,
 206         fold_inf_compare, fold_single_bit_test, fold,
 207         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
 208         Likewise replace build with either build2 or build3.
 209
 210 2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>
 211
 212         * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
 213         * calls.c (prepare_call_address): Don't test
 214         NO_RECURSIVE_FUNCTION_CSE.
 215         * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
 216         * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 217         * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 218         * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 219         * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 220         * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 221         * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 222         * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 223         * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 224         * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 225         * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 226         * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
 227         Likewise.
 228         * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
 229         * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
 230         * doc/tm.texi (Costs): Remove documentation for
 231         NO_RECURSIVE_FUNCTION_CSE.
 232
 233 2004-05-20  Paul Brook  <paul@codesourcery.com>
 234
 235         * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
 236         * unwind-dw2.c (extract_cie_info): Ditto.
 237         (_Unwind_FrameState): Change retaddr_column to word type.
 238
 239 2004-05-20  Roger Sayle  <roger@eyesopen.com>
 240
 241         PR middle-end/3074
 242         * fold-const.c (strip_compound_expr): Delete function.
 243         (count_cond): Delete function.
 244         (fold_binary_op_with_conditional_arg): Only perform transformations
 245         "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
 246         when a is constant.  This greatly simplifies this routine.
 247
 248         * tree.c (saved_expr_p): Delete function.
 249         * tree.h (saved_expr_p): Delete function prototype.
 250
 251 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
 252
 253         * common.opt (ftree-loop-optimize): Remove.
 254
 255 2004-05-20  Daniel Jacobowitz  <dan@debian.org>
 256
 257         * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
 258         (NM_FOR_TARGET): Use := and $(shell).
 259         (mainversion): Remove unused variable.
 260
 261 2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 262
 263         * reorg.c (delete_from_delay_slot): If we have a barrier after the
 264         sequence containing the insn to be deleted, always reemit it.
 265
 266 2004-05-20  Richard Henderson  <rth@redhat.com>
 267
 268         PR 15454
 269         * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
 270         * function.c (expand_function_start): Expand static_chain_decl by hand.
 271         * gimplify.c (create_tmp_var_name): Export.
 272         * tree-gimple.h (create_tmp_var_name): Declare.
 273
 274 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
 275
 276         * rs6000.c (print_operand) <case 'z'>: Call
 277         mark_decl_referenced before assemble_name.
 278
 279 2004-05-20  Zack Weinberg  <zack@codesourcery.com>
 280
 281         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
 282         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
 283         (cgraph_varpool_node): Hash on the pointer to the decl, not
 284         the DECL_UID.  Fixes 64-bit bootstrap failure.
 285
 286 2004-05-20  Richard Earnshaw <rearnsha@arm.com>
 287
 288         * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
 289         we don't earlyclobber operands used in the second insn.
 290
 291 2004-05-20  Steven Bosscher  <stevenb@suse.de>
 292
 293         * tree-mudflap.c: Formatting fixes.
 294
 295 2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
 296
 297         * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
 298         * gengtype.c (open_base_files): Include reload.h in ifiles.
 299         * reload.h (reg_equiv_memory_loc_varray): Declare.
 300         * reload1.c (reg_equiv_memory_loc_varray): New variable.
 301         (init_reload): Initialize it.
 302         (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
 303         reg_equiv_memory_loc_varray to size 0.
 304         * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
 305         growing reg_equiv_memory_loc_varray to the desired size.
 306         * passes.c (rest_of_handle_old_regalloc): Likewise.
 307         * reload.c: Amend comment on calling init_reload.
 308
 309 2004-05-20  Nick Clifton  <nickc@redhat.com>
 310
 311         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
 312         with 'TRAMP' in the body of the macro definition.
 313
 314 2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 315
 316         PR target/15383
 317         * config/ia64/ia64.c (ia64_expand_compare): Don't check
 318         TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
 319         cmptf_libfunc isn't set.
 320         (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
 321         conventions.
 322         (ia64_sysv4_init_libfuncs): New.
 323
 324         * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
 325         ia64_sysv4_init_libfuncs.
 326
 327 2004-05-20  Falk Hueffner  <falk@debian.org>
 328
 329         PR other/15526
 330         * libgcc2.c (__mulvsi3): Fix overflow test.
 331
 332 2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
 333
 334         PR c/14171
 335         * reg-stack.c (nan): Rename to ...
 336         (not_a_num): Here.
 337         (reg_to_stack): Rename nan to not_a_num.
 338         (subst_stack_regs_pat): Likewise.
 339         (convert_regs_entry): Likewise.
 340         (convert_regs_1): Likewise.
 341
 342         * tree-cfg.c (find_case_label_for_value): Replace call to
 343         simple_cst_equal with tree_int_cst_equal.
 344
 345 2004-05-19  Jeff Law <law@redhat.com>
 346
 347         * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
 348         If the operand is for a use, then strip away the SSA_NAME, do not
 349         strip away the SSA_NAME for a set.  Never call release_ssa_name.
 350         (mark_def_sites): Appropriately pass additional argument to
 351         prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
 352         then set the VDEF_RESULT to the VDEF_OP.
 353         (set_def_block): Strip away any SSA_NAME to get to the real
 354         underlying variable.
 355
 356         * tree-ssa-phiopt.c (value_replacement): Handle the case where
 357         the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
 358         BB directly.
 359
 360 2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 361
 362         PR c++/15463
 363         * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
 364         result of inverse.
 365
 366         PR rtl-optimization/15274
 367         * loop-iv.c (determine_max_iter, shorten_into_mode,
 368         iv_number_of_iterations): Handle constants correctly.
 369         * rtl.h (get_mode_bounds): Declaration changed.
 370         * stor-layout.c (get_mode_bounds): Return a constant suitable for
 371         the target mode.
 372
 373         PR rtl-optimization/14692
 374         * loop-unswitch.c (may_unswitch_on): Try folding the result.
 375         (unswitch_single_loop): Work correctly when may_unswitch_on
 376         returns a folded constant.
 377
 378         * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
 379         * simplify-rtx.c (simplify_const_relational_operation): Optimize
 380         comparisons with mode bounds.
 381
 382         * function.c (struct temp_slot): Add new field prev.
 383         (free_after_compilation, init_temp_slots): Free new fields.
 384         (cut_slot_from_list, insert_slot_to_list,
 385         temp_slots_at_level, max_slot_level, move_slot_to_level,
 386         make_slot_available): New functions.
 387         (assign_stack_temp_for_type, combine_temp_slots,
 388         find_temp_slot_from_address, preserve_temp_slots,
 389         preserve_rtl_expr_result, free_temp_slots,
 390         free_temps_for_rtl_expr, pop_temp_slots): Work with
 391         the new structure of lists.
 392         (mark_all_temps_used): Removed.
 393         * function.h (struct function): Field x_temp_slots
 394         replaced by x_used_temp_slots and x_avail_temp_slots.
 395         (temp_slots): Replaced by ...
 396         (used_temp_slots, avail_temp_slots): New.
 397         * tree.h (mark_all_temps_used): Declaration removed.
 398
 399         * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
 400         simplify_using_assignment): Take the expression out of
 401         the expr_list wrapper.
 402
 403         * loop-iv.c (iv_number_of_iterations): Improve clasification of
 404         infinite loops.
 405
 406 2004-05-19  Roger Sayle  <roger@eyesopen.com>
 407
 408         * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
 409         costs should be based on code size when optimizing for size.
 410
 411 2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
 412
 413         * fold-const.c: Remove non-printable character 160.
 414
 415 2004-05-19  Nick Clifton  <nickc@redhat.com>
 416
 417         * doc/invoke.texi (ARM Options): Fix typo.
 418         Remove descrption of -mshort-load-bytes and
 419         -mno-short-load-bytes.
 420
 421         * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
 422         missing parenthesis.
 423         * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
 424         * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
 425
 426 2004-05-19  Steven Bosscher  <stevenb@suse.de>
 427
 428         * expr.c (store_constructor): Build loop start and end by hand
 429         instead of via loop functions from stmt.c.
 430         (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
 431         Remove the code to expand them.
 432
 433         * stmt.c (loop_stack): Remove this and everything related.
 434         (struct nesting, enum nesting_desc): Update.
 435         (expand_fixup): Likewise.
 436         (expand_loop_start, expand_start_loop_continue_elsewhere,
 437         expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
 438         expand_end_null_loop, expand_continue_loop, expand_exit_loop,
 439         expand_exit_loop_if_false, expand_exit_loop_top_cond,
 440         expand_exit_something): Remove.
 441         * tree.h: Remove prototypes.
 442
 443 2004-05-18  Mike Stump  <mrs@apple.com>
 444             Devang Patel  <dpatel@apple.com>
 445
 446         * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
 447         if this label is for eh.
 448         * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
 449         * config/darwin.c (darwin_emit_unwind_label): Likewise.
 450         * dwarf2out.c (output_call_frame_info): Likewise.
 451         * output.h (default_emit_unwind_label): Likewise.
 452         * target.h (unwind_label): Likewise.
 453         * varasm.c (default_emit_unwind_label): Likewise.
 454
 455         * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
 456         DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
 457         DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
 458         DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
 459         DEBUG_RANGES_SECTION): Define.
 460
 461 2004-05-18  Zack Weinberg  <zack@codesourcery.com>
 462
 463         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
 464         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
 465         (cgraph_varpool_node):
 466         Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
 467         (cgraph_function_possibly_inlined_p): Use the decl itself for
 468         the key, not DECL_ASSEMBLER_NAME.
 469         (change_decl_assembler_name): No need to muck with the hash tables.
 470         (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
 471         Delete.
 472         * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
 473         for the key, not DECL_ASSEMBLER_NAME.
 474         * cgraph.h: Remove prototypes of deleted functions.
 475         * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
 476         (mark_decl_referenced): New function.
 477         * tree.h: Prototype mark_decl_referenced.
 478         * final.c (output_addr_const) <case SYMBOL_REF>: Call
 479         mark_decl_referenced before assemble_name.
 480         * c-decl.c (finish_decl): Use mark_decl_referenced.
 481
 482 2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
 483             Jeff Law <law@redhat.com>
 484
 485         * tree-ssa-phiopt.c (abs_replacement): New function.
 486         (empty_block_p): New function extracted from...
 487         (candidate_bb_for_phi_optimization): Break out empty block test.
 488         (conditional_replacement): Use empty_block_p.
 489         (value_replacement): Similarly.
 490
 491         * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
 492         * tree-ssa-phiopt.c: Include flags.h.
 493         (conditional_replacement): Remove argument names from prototype.
 494         Minor formatting and comment fixes.
 495         (tree_ssa_phiopt): If conditional_replacement returns false, then
 496         call value_replacement.
 497         (value_replacement): New function.
 498
 499 2004-05-18  Jeff Law  <law@redhat.com>
 500
 501         * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
 502         from conditional_replacement.
 503         (candidate_bb_for_phi_optimization): Similarly.
 504         (conditional_replacement): Use replace_phi_with_stmt and
 505         candidate_bb_for_phi_optimization.
 506
 507         * tree-ssa-phiopt.c: Fix various formatting issues.
 508
 509 2004-05-18  Steven Bosscher  <stevenb@suse.de>
 510
 511         * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
 512         s390_expand_cmpmem): Do not use expand_start_loop and
 513         expand_end_loop, instead build the loop manually.
 514
 515 2004-05-18  Alan Modra  <amodra@bigpond.net.au>
 516
 517         * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
 518         (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
 519
 520 2004-05-17  Jeff Law  <law@redhat.com>
 521
 522         * toplev.h (flag_delete_null_pointer_checks): Move from here to...
 523         * flags.h (flag_delete_null_pointer_checks): Here.
 524         * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
 525         * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
 526         (add_phi_arg, remove_phi_arg_num): Similarly.
 527         * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
 528         property into PHI nodes.
 529         * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
 530         (record_equivalences_from_phis): If all PHI arguments are known to be
 531         nonzero, then the result must be nonzero as well.
 532         (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
 533         (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
 534         appropriately.  Walk the USE-DEF chains and propagate nonzero property
 535         as appropriate.
 536         * tree.h (PHI_ARG_NONZERO): Define.
 537         (phi_arg_d): Add nonzero flag.
 538
 539 2004-05-17  Zack Weinberg  <zack@codesourcery.com>
 540
 541         * f: Entire directory removed
 542
 543         * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
 544         (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
 545         (g77_integer_type_node, g77_uinteger_type_node)
 546         (g77_longint_type_node, or g77_ulongint_type_node): Delete.
 547         * c-common.c (c_common_nodes_and_builtins): Do not initialize
 548         the above set of variables.
 549
 550         * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
 551         * doc/invoke.texi, doc/standards.texi: Remove cross-references
 552         to g77 manual.
 553
 554 2004-05-17  Steven Bosscher  <stevenb@suse.de>
 555
 556         PR tree-optimization/15438
 557         * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
 558         attributed functions as pure or const.
 559
 560 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
 561
 562         * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
 563         from source code with errors.
 564
 565 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
 566
 567         Enable tree browser for all front ends.
 568         * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
 569         (BACKEND): ...to here.
 570
 571 2004-05-17  Jan Hubicka  <jh@suse.cz>
 572
 573         * i386.c (construct_container): Do not produce BLKmode registers.
 574         (classify_argument): Properly compute alignment of complex types.
 575
 576 2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 577
 578         PR target/15084
 579         * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
 580         and renamed to movdi_insv_1_rex64.
 581         (insv): Support SImode for 32bit and DImode for 64bit.
 582
 583 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
 584
 585         * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
 586         (TARGET_SWITCHES): Remove debugg.
 587         * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
 588         TARGET_64BIT.
 589         (subdi3): Replace the define_expand with a define_insn, the latter
 590         renamed from subdi3_internal_3.
 591         (negdi2): Likewise negdi2_internal_2.
 592         (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
 593         (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
 594         and associated define_splits.
 595         (adddi3_internal): Renamed from adddi3_internal_3.
 596         (ashldi3_internal): Likewise ashldi3_internal4.
 597         (ashrdi3_internal): Likewise ashrdi3_internal4.
 598         (lshrdi3_internal): Likewise lshrdi3_internal4.
 599
 600 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
 601
 602         * optabs.c (expand_unop): Try implementing negation using subtraction
 603         from zero.
 604
 605 2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 606
 607         * pa.md:  Fix typo from last change.  Remove DFmode move to and from
 608         SAR register.
 609
 610 2004-05-16  Richard Earnshaw  <rearnsha@arm.com>
 611
 612         PR target/10982
 613         * arm.md (ne_zeroextractsi): Convert to insn-and-split.
 614         (ne_zeroextractsi_shifted): New pattern.
 615         (ite_ne_zeroextractsi): New pattern.
 616         (ite_ne_zeroextractsi_shifted): New pattern.
 617
 618 2004-05-15  Steven Bosscher  <stevenb@suse.de>
 619
 620         * c-gimplify.c (c_genericize):
 621         Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
 622         * c-parse.in <expr_no_commas>: Likewise.
 623         <if_prefix>: Likewise.
 624         <select_or_iter_stmt>: Likewise.
 625         * expr.c (expand_var, expand_expr_real_1): Likewise.
 626         * expr.h (expand_expr): Make it a static inline function.
 627         Move prototype for expand_expr_real up before this.
 628         * fold-const.c (fold_relational_hi_lo, fold_relational_const):
 629         Likewise.
 630         * gimplify.c (gimple_boolify, gimplify_addr_expr,
 631         gimplify_asm_expr, gimplify_expr): Likewise.
 632         * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
 633         dump_function_to_file): Likewise.
 634         * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
 635         * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
 636         * tree-into-ssa.c (dump_tree_ssa): Likewise.
 637         * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
 638         Likewise.
 639         * tree-optimize.c (execute_one_pass): Likewise.
 640         * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
 641         * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
 642
 643         * objc/objc-act.c (objc_build_try_enter_fragment,
 644         objc_build_try_epilogue, objc_build_catch_stmt,
 645         objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
 646         with lang_hooks.foo ().
 647
 648 2004-05-15  Roger Sayle  <roger@eyesopen.com>
 649
 650         * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
 651         that simplify_builtin doesn't destructively modify its argument.
 652
 653 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
 654
 655         * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
 656         implementations for ARM and Thumb.
 657         * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
 658
 659 2004-05-15  Thomas Quinot  <quinot@act-europe.fr>
 660
 661         * prefix.c (update_path): Replace PREFIX with KEY only
 662         when it matches a full directory name in PATH.
 663
 664 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
 665
 666         * arm.h (TARGET_APCS_32): Delete.
 667         (TARGET_MMU_TRAPS): Delete.
 668         (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
 669         define __APCS_26__.
 670         (CPP_SPEC): Remove checking of -mapcs-{26,32}.
 671         (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
 672         (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
 673         (prog_mode_type): Delete.
 674         (PROMOTE_MODE): Always promote unsigned for HImode.
 675         (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
 676         (MASK_RETURN_ADDR): Simplify.
 677         * arm.c (arm_prgmode): Delete.
 678         (arm_override_options, arm_gen_rotated_half_load): Simplify.
 679         (print_multi_reg, output_return_instruction): Simplify.
 680         (arm_output_epilogue, arm_final_prescan_insn): Simplify.
 681         (arm_return_addr): Simplify.
 682         * arm.md (prog_mode): Delete.
 683         (conds): Simplify.
 684         (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
 685         (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
 686         (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
 687         (loadhi_shiftpredec): Delete.
 688         (peephole for post-increment on HImode load): Delete.
 689         * arm/crtn.asm: (FUNC_END): Simplify.
 690         * arm/lib1funcs.asm: Remove APCS-26 return macros.
 691         * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
 692         * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
 693         * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
 694         MULTILIB_DEFAULTS as required.
 695         * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
 696         * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
 697         variables as required.
 698         * doc/invoke.texi (ARM Options): Remove obsolete flags.
 699
 700 2004-05-15  Alan Modra  <amodra@bigpond.net.au>
 701
 702         * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
 703         UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
 704         count to 8 to handle n_reg > 2.
 705
 706 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 707
 708         * doc/extend.texi: Update WG14 URL.
 709
 710 2004-05-15  Steven Bosscher  <stevenb@suse.de>
 711
 712         * basic-block.h (life_analysis, delete_noop_moves):
 713         Update prototypes.
 714         * bt-load.c (branch_target_load_optimize): Don't take the
 715         insns stream as an argument.  Update the life_analysis calls.
 716         * combine.c (combine_instructions): Update delete_noop_moves
 717         calls.
 718         * flow.c (notice_stack_pointer_modification): Don't take the
 719         insns stream as an argument.  Work on the flow graph.
 720         (life_analysis): Likewise.
 721         (delete_noop_moves): Likewise.
 722         * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
 723         (rest_of_handle_life): Update life_analysis call.
 724         (rest_of_compilation): Likewise, and also update
 725         branch_target_load_optimize call.
 726         * ra.c (reg_alloc): Update life_analysis call.
 727         * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
 728         the insns stream as an argument.
 729         * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
 730         call.
 731         * rtl.c (branch_target_load_optimize, reg_to_stack): Update
 732         prototypes.
 733         * value-profile.c (branch_prob): Update life_analysis call.
 734         * web.c (web_main): Work on the CFG, not on the insns stream.
 735
 736         * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
 737         * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
 738         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 739
 740 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
 741
 742         PR c/15444
 743         * c-format.c (avoid_dollar_number): New function.
 744         (check_format_info_main): Call avoid_dollar_number when operand
 745         numbers might occur but has_operand_number == 0.
 746
 747 2004-05-14  Richard Earnshaw  <rearnsha@arm.com>
 748
 749         * arm.md (all peephole2 patterns): Use predicates that validate
 750         register classes as appropriate.
 751
 752 2004-05-14  Steven Bosscher  <stevenb@suse.de>
 753
 754         PR opt/14472
 755         * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
 756         ignore type conversions that do not inhibit tail calling.
 757         (find_tail_calls): Likewise.
 758
 759 2004-05-14  Jeff Law  <law@redhat.com>
 760
 761         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
 762         bother marking bypassed virtuals for out-of-ssa.  Instead merge
 763         bypassed virtuals into vars_to_rename just before into-ssa pass.
 764
 765         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
 766         so that it picks up more opportunities to eliminate ABS expressions
 767         or turn them into negations.
 768
 769 2004-05-14  Steven Bosscher  <stevenb@suse.de>
 770
 771         * passes.c (rest_of_handle_null_pointer): Remove.
 772         (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
 773         (rest_of_compilation): Likewise.
 774         * rtl.h (delete_null_pointer_checks): Remove prototype.
 775         * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
 776         Remove declarations.
 777         (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
 778         compute_kill_rd, compute_rd, alloc_avail_expr_mem,
 779         free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
 780         expr_reaches_here_p, computing_insn, def_reaches_here_p,
 781         can_disregard_other_sets, handle_avail_expr, classic_gcse,
 782         one_classic_gcse_pass, invalidate_nonnull_info,
 783         delete_null_pointer_checks_1, delete_null_pointer_checks,
 784         expr_reached_here_p_work): Remove.
 785         (gcse_main): Do not perform classic GCSE when optimizing for size.
 786         (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
 787         are never used.
 788
 789 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
 790
 791         PR optimization/14466
 792         * tree-complex.c (make_temp): Remove.
 793         (gimplify_val): Replace make_temp with make_rename_temp
 794         and add NULL as the second argument.
 795         (expand_complex_div_wide): Likewise.
 796         * tree-dfa.c (make_rename_temp): New function.
 797         * tree-flow.h (make_rename_temp): Declare.
 798         * tree-sra.c (make_temp): Remove.
 799         (lookup_scalar): Replace make_temp with make_rename_temp.
 800         (create_scalar_copies): Likewise.
 801         * tree-ssa-phiopt.c (conditional_replacement): When we
 802         get non gimple create a temporary variable to hold the
 803         casted expression.
 804
 805 2004-05-14  Paul Brook  <paul@codesourcery.com>
 806
 807         * stor-layout.c (update_alignment_for_field): Use
 808         targetm.align_anon_bitfield.
 809         * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
 810         (TARGET_INITIALIZER): Use it.
 811         * target.h (struct gcc_target): Add align_anon_bitfield.
 812         * config/arm/arm.c (arm_align_anon_bitfield):  New function.
 813         (TARGET_ALIGN_ANON_BITFIELD): Define.
 814         * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
 815
 816 2004-05-13  Zack Weinberg  <zack@codesourcery.com>
 817
 818         * tree.def (documentation): Remove mention of class 'b'.
 819         (BLOCK): Now in class 'x'.
 820         * c-common.c (verify_tree): Remove case 'b'.
 821         * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
 822         * calls.c (calls_function_1): Control cannot get past the switch
 823         when exp is a BLOCK.
 824         * print-tree.c (print_node): Move code for class 'b' to the class
 825         'c'/'x' switch, as case BLOCK.
 826         * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
 827         (unsafe_for_reeval, substitute_placeholder_in_expr)
 828         (stabilize_reference_1): Remove case 'b'.
 829         * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
 830         of something being 'b' to tests for TREE_CODE of something being
 831         BLOCK.
 832         * tree-ssa-operands.c (get_expr_operands): Likewise.
 833
 834 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
 835
 836         * tree-gimple.c: Rename from tree-simple.c.
 837         * tree-gimple.h: Rename from tree-simple.h.
 838         * c-gimplify.c: Rename from c-simplify.c
 839         * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
 840         langhooks.c, tree-alias-ander.c, tree-alias-common.c,
 841         tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
 842         tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
 843         tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
 844         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
 845         tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
 846         Update.
 847
 848 2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>
 849
 850         * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
 851
 852 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
 853
 854         * tree-ssa.c (delete_tree_ssa): XFREE
 855         bitmaps allocated with BITMAP_XMALLOC.
 856
 857         * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
 858         idfs_cache at the end of the function.
 859
 860         * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
 861         at the end of the function.
 862
 863         * tree-ssa-dce.c (perform_tree_ssa_dce): Free
 864         el at the end of the function.
 865
 866         * tree-into-ssa.c (insert_phi_nodes_for): XFREE
 867         bitmaps allocated with BITMAP_XMALLOC.
 868
 869         * loop-unswitch.c (unswitch_single_loop): Free bbs at
 870         the end.
 871
 872         * final.c (shorten_branches): Free uid_shuid before
 873         reallocating it.
 874
 875         * bb-reoder.c (connect_traces): Free cold_traces at the end.
 876
 877 2004-05-13  Jeff Law  <law@redhat.com>
 878
 879         * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
 880         variables.  Simplify slightly by using USE_OP/DEF_OP instead
 881         of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
 882
 883         * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
 884         rather than iterating through the blocks testing each bit in
 885         livein to initialize the worklist.
 886         (mark_def_sites): Remove useless checks of KILLS for virtual
 887         operands.
 888
 889         * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
 890         new parameters for the statement and variable worklist as well
 891         as a bitmap of interesting SSA_NAMEs.  Walk over the statement
 892         worklist recording interesting variables in the variable worklist
 893         and bitmap.  Handle casts between integral and boolean types.
 894         (substitute_single_use_vars): Accept new parameters for the statement
 895         and variable worklist.  When a substitution is made add a new
 896         entry to the statement worklist.  Handle casts between integral
 897         and boolean types.
 898         (tree_ssa_forward_propagate_single_use_vars): Rework to pass
 899         worklists to children.  Iterate until the statement worklist
 900         is empty.
 901
 902 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
 903
 904         * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
 905         the end of the block.
 906
 907         * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
 908         with BITMAP_XMALLOC.
 909
 910         * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
 911         with BITMAP_XMALLOC.
 912
 913         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
 914         Free nonzero_vars at the end of the function.
 915
 916         * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
 917         need to generate code instead of a NOP_EXPR.
 918
 919 2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>
 920
 921         * gcc.c (default_compilers): Fill out initializers for new Fortran
 922         entries.
 923
 924 2004-05-13  Paul Brook  <paul@codesourcery.com>
 925
 926         * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.
 927
 928 2004-05-13  Paul Brook  <paul@codesourcery.com>
 929
 930         * config/arm/arm.c (arm_default_short_enums): New function.
 931         (TARGET_DEFAULT_SHORT_ENUMS): Define.
 932
 933 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
 934
 935         Merge from tree-ssa-20020619-branch.
 936
 937         * Makefile.in (reload1.o-warn): Add.
 938         (tree-alias-ander.o-warn): Add.
 939         (GMPLIBS): Define.
 940         (GMPINC): Define.
 941         (BANSHEELIB): Define.
 942         (BANSHEEINC): Define.
 943         (TREE_DUMP_H): Define.
 944         (TREE_SIMPLE_H): Define.
 945         (TREE_FLOW_H): Define.
 946         (LIBDEPS): Add BANSHEELIB.
 947         (INCLUDES): Add BANSHEEINC and GMPINC.
 948         (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
 949         c-mudflap.o and c-pretty-print.o.
 950         (C_OBJS): Remove c-pretty-print.o.
 951         (OBJS-common): Remove sibcall.o.
 952         Add tree-cfg.o, tree-dfa.o, tree-eh.o,
 953         tree-ssa.o, tree-optimize.o, tree-simple.o,
 954         tree-alias-type.o, gimplify.o, tree-pretty-print.o,
 955         tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
 956         tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
 957         tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
 958         tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
 959         tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
 960         tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
 961         tree-tailcall.o, gimple-low.o, tree-iterator.o,
 962         tree-phinodes.o, tree-ssanames.o, tree-sra.o,
 963         tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
 964         tree-profile.o.
 965         (OBJC-archive): Add tree-nomudflap.o.
 966         (cc1): Add dependency on @TREEBROWSER@.
 967         (c-decl.o): Add dependency on TREE_DUMP_H.
 968         (c-dump.o): Likewise.
 969         (c-common.o): Add dependency on tree-iterator.h
 970         (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
 971         (gtype-desc.o): Add dependency on TREE_FLOW_H.
 972         (tree.o): Add dependency on tree-iterator.h,
 973         BASIC_BLOCK_H and TREE_FLOW_H.
 974         (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
 975         (langhooks.o): Add dependency on TREE_SIMPLE_H.
 976         (tree-alias-type.o, tree-alias-ander.o,
 977         tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
 978         tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
 979         tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
 980         tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
 981         domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
 982         tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
 983         tree-nested.o, tree-iterator.o, tree-dfa.o,
 984         tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
 985         tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
 986         gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
 987         tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
 988         tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
 989         tree-sra.o, tree-complex.o, tree-profile.o,
 990         rtl-profile.o): New rules.
 991         (function.o): Add dependency on basic-block.h
 992         (expr.o): Add dependency on tree-iterator.h.
 993         (sibcall.o): Remove.
 994         (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
 995         (cfg.o): Add dependency on TIMEVAR_H.
 996         (cfghooks.o): Add dependency on TREE_FLOW_H.
 997         (reg-stack.o): Add dependency on basic-block.h.
 998         (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
 999         c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
1000         tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
1001         tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
1002         tree-alias-type.h, tree-alias-common.h,
1003         tree-alias-type.c, tree-alias-common.c,
1004         tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
1005         rtl-profile.c and tree-nested.c.
1006         (gt-tree-alias-common.h, gt-tree-mudflap.h,
1007         gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
1008         gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
1009         gt-tree-cfg.h, gt-tree-nested.h): New rules.
1010         (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
1011         * basic-block.h: Include predict.h
1012         (struct edge_def): Add GTY marker.
1013         Change field 'insns' to be a union of tree and rtx.
1014         (EDGE_TRUE_VALUE): Define.
1015         (EDGE_FALSE_VALUE): Define.
1016         (EDGE_EXECUTABLE): Define.
1017         (struct bb_ann_d): Forward declare.
1018         (struct basic_block_def): Add GTY marker.
1019         Remove fields head_tree and end_tree.
1020         Add fields stmt_list, rbi and tree_annotations.
1021         (struct reorder_block_def): Define.
1022         (basic_block_info): Add GTY marker.
1023         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
1024         variables instead of macros.
1025         (flow_call_edges_add): Remove declaration.
1026         (make_eh_edge): Remove declaration.
1027         (brief_dump_cfg, find_edge, tree_predicted_by_p,
1028         rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
1029         predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
1030         cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
1031         alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
1032         (try_redirect_by_replacing_jump): Modfiy return type to
1033         edge instead of bool.
1034         * bb-reorder.c (copy_bb): Call duplicate_block
1035         instead of cfg_layout_duplicate_bb.
1036         (copy_bb_p): Call can_duplicate_block_p instead of
1037         cfg_layout_can_duplicate_bb_p.
1038         * bitmap.c (bitmap_first_set_bit): Abort if word
1039         wasn't found.
1040         (bitmap_last_set_bit): Likewise.
1041         * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
1042         (DEF_FUNCTION_TYPE_3): Add.
1043         * builtins.c (c_strlen): Make extern.
1044         (builtin_save_expr): New.
1045         (expand_builtin_nonlocal_goto): New.
1046         (expand_builtin_constant_p): Remove.
1047         (expand_builtin_mathfn): Call builtin_save_expr instead
1048         of save_expr.
1049         (expand_builtin_mathfn_2): Likewise.
1050         (expand_builtin_strcmp): Likewise.
1051         (expand_builtin_strncmp): Likewise.
1052         (expand_builtin_strcat): Likewise.
1053         (fold_builtin_cabs): Likewise.
1054         (expand_builtin_alloca): Don't trigger if -fmudflap is
1055         given.
1056         (build_string_literal): Set TREE_INVARIANT on new node.
1057         (expand_builtin_profile_fun): New.
1058         (round_trampoline_addr): New.
1059         (expand_builtin_init_trampoline): New.
1060         (expand_builtin_adjust_trampoline): New.
1061         (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
1062         <BUILT_IN_CONSTANT_P>: Return const0_rtx;
1063         <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
1064         BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
1065         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
1066         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
1067         Handle.
1068         (fold_builtin_expect): New.
1069         (fold_builtin_isascii): Don't return non-constant results
1070         in GIMPLE form.
1071         (fold_builtin_isdigit): Likewise.
1072         (fold_builtin_1): New.
1073         (fold_builtin): Call it.
1074         (build_function_call_expr): Update call to build a new
1075         CALL_EXPR.
1076         (purge_builtin_constant_p): Remove.
1077         (simplify_builtin, simplify_builtin_memcmp,
1078         simplify_builtin_strcmp, simplify_builtin_strncmp,
1079         simplify_builtin_strpbrk, simplify_builtin_strstr,
1080         simplify_builtin_strchr, simplify_builtin_strrchr,
1081         simplify_builtin_strcat, simplify_builtin_strncat,
1082         simplify_builtin_strspn, simplify_builtin_strcspn,
1083         simplify_builtin_next_arg, simplify_builtin_va_start,
1084         simplify_builtin_sprintf): New.
1085         * builtins.def (BUILT_IN_STACK_ALLOC,
1086         BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
1087         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
1088         BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
1089         BUILT_IN_PROFILE_FUNC_EXIT): Define.
1090         * c-common.c: Include tree-iterator.h and hashtab.h.
1091         (lang_statement_code_p): Declare.
1092         (lang_gimplify_stmt): Declare.
1093         (fix_string_type): Set TREE_INVARIANT for value.
1094         (pointer_int_sum): Rely on build to set TREE_CONSTANT.
1095         (c_type_hash): New.
1096         (c_common_get_alias_set): Handle multiple type nodes
1097         referring to "the same" type, currently for C90 only.
1098         (c_add_case_label): Use create_artificial_label.
1099         (finish_label_address_expr): Don't set TREE_CONSTANT on
1100         result.
1101         (c_expand_expr): Don't handle STMT_EXPR.
1102         (handle_alias_attribute): Marke aliased variables to be
1103         TREE_STATIC.
1104         (handle_nonnull_attribute): Initialize arg_num.
1105         (check_function_nonnull): Likewise.
1106         (c_walk_subtrees): New.
1107         (c_estimate_num_insns_1): Don't handle
1108         EXPR_WITH_FILE_LOCATION nor FILE_STMT.
1109         (c_decl_uninit_1): Remove.
1110         (c_decl_uninit): Remove.
1111         (c_warn_unused_result): New.
1112         * c-common.def (ASM_STMT): Change number of operands
1113         to 4.
1114         (FILE_STMT): Remove.
1115         * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
1116         Remove.
1117         (lang_gimplify_stmt): Add.
1118         (expand_stmt): Remove.
1119         (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
1120         ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
1121         ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
1122         FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
1123         ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
1124         (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1125         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1126         genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
1127         genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
1128         genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
1129         genrtl_compound_stmt, genrtl_asm_stmt,
1130         genrtl_cleanup_stmt, c_decl_uninit): Remove.
1131         (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
1132         c_tree_chain_matters_p, c_warn_unused_result,
1133         c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
1134         Declare.
1135         * c-convert.c (convert): Make convert work when
1136         converting to compatible types across translation unit.
1137         * c-decl.c: Include langhooks.h, tree-mudflap.h,
1138         tree-simple.h, diagnostic.h and tree-dump.h
1139         (merge_decls): Initialize oldtype to NULL.
1140         (finish_decl): Use DECL_HARD_REGISTER instead of
1141         DECL_C_HARD_REGISTER.
1142         (check_bitfield_type_and_width): Check for null
1143         lang_type_specific when check the precision of an enum.
1144         (grokdeclarator): Immediately layout an ARRAY_TYPE used
1145         in a pointer-to-array declarator.
1146         (finish_struct): Clear allocated struct lang_type.
1147         (finish_enum): Set enum_min and enum_max.  Set
1148         TYPE_MIN/MAX_VALUE to the limits of the compatible type,
1149         not to the enumerators.
1150         (set_decl_nonlocal): New.
1151         (store_parm_decls): Use it via walk_tree.
1152         (c_finalize): New.
1153         (finish_function): When !targetm.have_ctors_dtors,
1154         record static constructors and destructors here...
1155         (c_expand_body_1): ... not here.
1156         (c_expand_decl): Rename from c_expand_decl_stmt.
1157         Handle all C-specific expansion semantics.
1158         * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
1159         STMT_LINENO.
1160         * c-format.c (handle_format_arg_attribute): Initialize
1161         format_num.
1162         * c-lang.c: Include tree-inline.h
1163         (LANG_HOOKS_EXPAND_DECL,
1164         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1165         LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
1166         LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
1167         LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
1168         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
1169         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
1170         (c_types_compatible_p): New.
1171         * c-mudflap.c: New file.
1172         * c-objc-common.c: Include tree-mudflap.h
1173         (start_cdtor, finish_cdtor): Collapse
1174         together into
1175         (build_cdtor): ...here.  Update to construct a complete tree
1176         for the function.  No need to call push_scope, pop_scope, or
1177         clear_last_expr, or set current_function_cannot_inline.
1178         (c_missing_noreturn_ok_p): Change prototype to return
1179         bool.
1180         (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
1181         * c-opts.c (c_common_handle_option): Move handling of -fdump- to
1182         opts.c.
1183         (c_common_post_options): Don't ever use rtl inlining.
1184         * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
1185         * c-pragma.c (handle_pragma_redefine_extname): Define
1186         always.
1187         (init_pragma): Activate #pragma redefine_extname for mudflap.
1188         * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
1189         (pp_c_initializer): Accept any type CONSTRUCTOR.
1190         (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
1191         COMPLEX_TYPE.
1192         (decl_name_str): New local function.
1193         (pp_c_direct_declarator): Call it.
1194         (pp_c_primary_expression): Call it.
1195         (pp_c_id_expression): Call it.
1196         (pp_c_statement): Call it.
1197         (print_c_tree): Create new pp object.
1198         * c-pretty-print.h (pp_c_tree_decl_identifier,
1199         print_c_tree): Declare.
1200         * c-semantics.c: Include langhooks.h
1201         (lang_expand_stmt, lang_expand_decl_stmt,
1202         find_reachable_label_1, find_reachable_label,
1203         expand_unreachable_if_stmt, expand_unreachable_stmt,
1204         genrtl_do_stmt_1): Remove.
1205         (begin_stmt_tree): Don't check for changed filename.
1206         Call annotate_with_locus.
1207         (finish_stmt_tree): Don't set line for end of function.
1208         (build_stmt): Don't check type nodes for
1209         side effects.
1210         (build_stmt): Set TREE_SIDE_EFFECTS.
1211         Set EXPR_LOCUS instead of STMT_LINENO.
1212         (lang_expand_stmt, lang_expand_decl_stmt,
1213         expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1214         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1215         genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
1216         genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
1217         genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
1218         genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
1219         genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
1220         find_reachable_label_1, expand_unreachable_if_stmt,
1221         expand_unreachable_stmt): Remove.
1222         (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
1223         * c-simplify.c: New file.
1224         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
1225         (struct lang_type): Add fields enum_min and enum_max.
1226         (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
1227         (c_expand_decl, c_missing_noreturn_ok_p,
1228         c_types_compatible_p): Declare.
1229         * c-typeck.c (tagged_types_tu_compatible_p): Allow for
1230         compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
1231         (default_function_array_conversion): Rely on build to
1232         set TREE_CONSTANT.
1233         (parser_build_binary_op, pointer_diff): Likewise.
1234         (build_unary_op, build_binary_op): Likewise.
1235         (build_array_ref):
1236         (build_external_ref): Set TREE_INVARIANT.
1237         (build_c_cast, pop_init_level): Likewise.
1238         (process_init_element): Use ASM_VOLATILE_P.
1239         (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
1240         (c_finish_case): Call c_do_switch_warnings.
1241         * c.opt (fdump-): Remove.
1242         * calls.c (try_to_integrate): Remove.
1243         (prepare_call_address): Replace fndecl arg with a
1244         precomputed static chain value.
1245         (emit_call_1): New argument for full call expr.
1246         (flags_from_decl_or_type): Call special_function_p.
1247         (initialize_argument_information): Add argument
1248         may_tailcall.
1249         (purge_reg_equiv_notes): New.
1250         (expand_call): Do not try to expand calls inline.
1251         (fixup_tail_calls): New.
1252         * cfg.c: Include timevar.h and ggc.h.
1253         (bb_pool, edge_pool): Remove.
1254         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
1255         (entry_exit_blocks): Remove.
1256         (rbi_pool): Declare.
1257         (init_flow): Do not create pools.
1258         Allocate entry/exit block.
1259         (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
1260         (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
1261         (unlink_block): Clear b->prev_bb and b->next_bb.
1262         (compact_blocks): Clear all slots of BASIC_BLOCK array.
1263         (dump_flow_info): Work on trees too.
1264         (dump_cfg_bb_info): New.
1265         (brief_dump_cfg): New.
1266         * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
1267         (find_edge): New.
1268         * cfgbuild.c (rtl_make_eh_edge): Rename from
1269         make_eh_edge.  Update all users.
1270         (find_basic_blocks): Don't call VARRAY_FREE on
1271         basic_block_info.
1272         * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
1273         and newpos2.
1274         (delete_unreachable_blocks): Return changed status.
1275         (merge_seq_blocks): New.
1276         * cfghooks.c: Include tree-flow.h
1277         (tree_register_cfg_hooks, ir_type): New.
1278         (redirect_edge_and_branch): Change return type to edge.
1279         (predict_edge, predicted_by_p, can_duplicate_block_p,
1280         duplicate_block, block_ends_with_call_p,
1281         block_ends_with_condjump_p, flow_call_edges_add): New.
1282         * cfghooks.h (redirect_edge_and_branch): Change return
1283         type to edge.
1284         (predict_edge, predicted_by_p, can_duplicate_block_p,
1285         duplicate_block, block_ends_with_call_p,
1286         block_ends_with_condjump_p, flow_call_edges_add): Declare.
1287         (redirect_edge_and_branch): Change return type to edge.
1288         (struct cfg_hooks): Add fields block_ends_with_call_p,
1289         block_ends_with_condjump_p, flow_call_edges_add,
1290         predict_edge, predicted_by_p, can_duplicate_block_p and
1291         duplicate_block.
1292         (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
1293         * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
1294         (fixup_reorder_chain): Use initialize_bb_rbi.
1295         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
1296         (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
1297         (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
1298         (insn_locators_initialize): Use new info about blocks.
1299         * cfglayout.h (typedef struct reorder_block_def): Moved to
1300         basic_block.h.
1301         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
1302         removed.
1303         * cfgloop.c: Include tree.h and tree-flow.h.
1304         * cfgloop.h (create_loop_notes): Declare.
1305         * cfgloopmanip.c (create_loop_notes): New.
1306         * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
1307         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
1308         and duplicate_block fields.
1309         (create_basic_block_structure): Don't look at
1310         RTX_INTEGRATED_P.
1311         (rtl_block_ends_with_call_p): New.
1312         (rtl_block_ends_with_condjump_p): New.
1313         (need_fake_edge_p): Moved from cfganal.c.
1314         (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
1315         (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
1316         rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
1317         (cfg_layout_rtl_cfg_hooks): Ditto.
1318         * cgraph.c (cgraph_mark_reachable_node): Don't force nested
1319         functions to be reachable.
1320         * cgraphunit.c (decide_is_function_needed):
1321         * cgraphunit.c (decide_is_function_needed): Nested functions of extern
1322         inline functions don't need to be output.
1323         (cgraph_assemble_pending_functions): Don't do anything
1324         special for nested functions.
1325         (cgraph_mark_functions_to_output): Likewise.
1326         (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
1327         (cgraph_analyze_function): Use estimate_num_insns.
1328         (cgraph_mark_functions_to_output): Likewise.
1329         (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
1330         (cgraph_expand_function): Allow functions to not be
1331         emitted.
1332         (cgraph_remove_unreachable_nodes):
1333         (cgraph_recursive_inlining_p): Simplify.
1334         (lookup_recursive_calls,
1335         cgraph_decide_recursive_inlining): New.
1336         (cgraph_decide_inlining_*): Update calls of
1337         cgraph_mark_inline.
1338         * combine.c (get_pos_from_mask): Always set *plen.
1339         * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
1340         ftree-based-profiling, ftree-ccp, ftree-ch,
1341         ftree-combine-temps, ftree-copyrename, ftree-dce,
1342         ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
1343         ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
1344         ftree-lrs): Add.
1345         * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
1346         Undefine.
1347         * configure.ac: Add --enable-tree-browser option.
1348         Add --with-libbanshee option.
1349         Add GMPLIBS and GMPINC.
1350         * configure: Regenerate.
1351         * coverage.c (tree_ctr_tables): New.
1352         (coverage_counter_alloc): Use it.
1353         (build_ctr_info_value): Ditto.
1354         (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
1355         (tree_coverage_counter_ref): New.
1356         * coverage.h (coverage_counter_ref): Remove declaration.
1357         (rtl_coverage_counter_ref): Declare.
1358         (tree_coverage_counter_ref): Declare.
1359         * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
1360         (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
1361         * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
1362         (struct cse_basic_block_data): Rename enum values to not
1363         conflict with profile.h; update all uses.
1364         * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
1365         in comments.
1366         * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
1367         * diagnostic.h (debug_output_buffer, dump_generic_node,
1368         print_generic_stmt, print_generic_stmt_indented,
1369         print_generic_expr, print_generic_decl,
1370         debug_generic_expr, debug_generic_stmt, debug_c_tree):
1371         Declare.
1372         * dominance.c: Cache immediate dominators.
1373         * domwalk.c: New file.
1374         * domwalk.h: New file.
1375         * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
1376         (gen_subprogram_die): Generate a DIE for a named
1377         return value.
1378         (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
1379         (add_location_or_const_value_attribute): Likewise.
1380         (add_bound_info): Likewise.
1381         (gen_decl_die): Likewise.
1382         * emit-rtl.c (maybe_set_first_label_num): New.
1383         (copy_most_rtx): Don't copy the integrated flag.
1384         Copy the new return_val flag.
1385         * et-forest.c (MAX_NODES): Define.
1386         (record_path_before_1): Abort if len is greater than
1387         MAX_NODES.
1388         * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
1389         gen_eh_region_catch, gen_eh_region_allowed,
1390         gen_eh_region_must_not_throw, get_eh_region_number,
1391         get_eh_region_may_contain_throw, get_eh_region_tree_label,
1392         set_eh_region_tree_label, expand_resx_expr): New.
1393         (expand_eh_region_start, expand_start_catch): Use them.
1394         (expand_end_catch): Tidy.
1395         (note_eh_region_may_contain_throw): Take region argument.
1396         (note_current_region_may_contain_throw): New.
1397         (get_exception_filter): Export.
1398         (collect_eh_region_array): Export.
1399         (remove_unreachable_regions): Check ERT_TRY based on reachability
1400         of catches, not reachability of continue_label.  Never remove
1401         ERT_MUST_NOT_THROW regions.
1402         (collect_rtl_labels_from_trees): New.
1403         (convert_from_eh_region_ranges): Use it.
1404         (connect_post_landing_pads): Handle dying cleanups.
1405         (struct reachable_info): Add callback data.
1406         (add_reachable_handler): Invoke the callback.
1407         (foreach_reachable_handler): New.
1408         (reachable_handlers): Use it.
1409         (arh_to_landing_pad, arh_to_label): New.
1410         (can_throw_internal_1): Split out from can_throw_internal.
1411         (can_throw_external_1): Similarly.
1412         * except.h: Update.
1413         * explow.c (emit_stack_save): Remove savearea mode check.
1414         (update_nonlocal_goto_save_area): New.
1415         (allocate_dynamic_stack_space): Use it.
1416         (probe_stack_range): Never emit loop notes.
1417         * expmed.c (extract_fixed_bit_field): Always propagate the
1418         target for the shift if it is a REG.
1419         * expr.c: Include tree-iterator.h
1420         (is_zeros_p): Remove.
1421         (categorize_ctor_elements_1, categorize_ctor_elements): New.
1422         (count_type_elements): New.
1423         (mostly_zeros_p): Use them.
1424         (expr_wfl_stack): Remove.
1425         (convert_move): Do nothing if to and from are the same.
1426         (emit_block_move_via_loop): Don't emit LOOP notes.
1427         (emit_move_insn): Don't handle CONSTANT_P_RTX.
1428         (emit_move_insn_1): Don't generate inline warnings.
1429         (expand_vars, expand_var): Split from ...
1430         (expand_expr_1): ... here.
1431         (expand_expr_real, expand_expr_real_1):  Use new macros
1432         EXPR_LOCATION and EXPR_HAS_LOCATION.
1433         * expr.h (simplify_builtin_fputs,
1434         simplify_builtin_strcpy, simplify_builtin_strncpy,
1435         expand_var, fixup_tail_calls,
1436         update_nonlocal_goto_save_area): Declare.
1437         (lookup_static_chain, expand_inline_function,
1438         mark_seen_cases): Remove.
1439         (prepare_call_address): Change type of 2nd argument to
1440         rtx.
1441         * final.c (profile_function): Update static chain test.
1442         (final): Don't look at RTX_INTEGRATED_P.
1443         * flags.h (flag_mudflap, flag_mudflap_threads,
1444         flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
1445         flag_tree_dce, flag_tree_combine_temps,
1446         flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
1447         flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
1448         flag_tree_points_to): Declare.
1449         (enum pta_type): Declare.
1450         * flow.c (lang_missing_noreturn_ok_p): Remove.
1451         (check_function_return_warnings): Remove.
1452         (update_life_info): Update comments.
1453         (free_basic_block_vars): Don't call VARRAY_FREE for
1454         basic_block_info.
1455         (regno_uninitialized): Remove.
1456         * fold-const.c (int_const_binop): Make extern.
1457         (non_lvalue): Rely on build to set TREE_CONSTANT.
1458         (operand_equal_p): Replace only_const argument with
1459         flags.  Allow pure functions if OEP_PURE_SAME.
1460         (fold): Use OEP_ONLY_CONST.
1461         (invert_truthvalue) <NOP_EXPR> Break if argument is of
1462         boolean type.
1463         (fold_relational_hi_lo,
1464         nondestructive_fold_binary_to_constant,
1465         nondestructive_fold_unary_to_constant,
1466         fold_read_from_constant_string): New.
1467         * function.c (struct function): Remove calls_constant_p.
1468         (current_function_calls_constant_p): Remove.
1469         (inline_function_decl): Remove.
1470         (put_var_into_stack): Don't use it.
1471         (fix_lexical_addr): Likewise.
1472         (inline_function_decl): Remove extern declaration.
1473         (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
1474         (trampolines_created): Move to varasm.c.
1475         (free_after_compilation): Update for removed fields.
1476         (allocate_struct_function): Likewise.
1477         (delete_handlers, lookup_static_chain): Remove.
1478         (fix_lexical_addr): Don't consider non-local variable refs.
1479         (trampoline_address): Remove.
1480         (round_trampoline_addr): Move to builtins.c.
1481         (adjust_trampoline_addr): Remove.
1482         (expand_function_start): Update for changes to static chain
1483         and nonlocal goto handling.
1484         (initial_trampoline): Move to varasm.c.
1485         (expand_function_end): Don't build trampolines or kill
1486         unreferenced nonlocal goto labels.
1487         (free_after_compilation): Don't set it.
1488         (expand_function_end): Likewise.
1489         (setjmp_vars_warning): Rename from
1490         uninitialized_vars_warning, remove uninitialized vars warning.
1491         (uninitialized_vars_warning): Remove old comment
1492         and check for DECL_INITIAL, replace with a check of TREE_NO_WARNING
1493         and do not call the langhook.
1494         (expand_function_start, expand_function_end): Don't do
1495         function instrumentation here.
1496         (clear_block_marks): Rename from reorder_blocks_0, export.
1497         (blocks_nreverse): Export.
1498         (uninitialized_vars_warning): Use DECL_RTL_SET_P to test for presence
1499         of rtl.
1500         (reset_block_changes, record_block_change, finalize_block_changes,
1501         check_block_change, free_block_changes): New functions.
1502         (assign_parms): Setting of current_function_stdarg
1503         moved ...
1504         (allocate_struct_function): ... here.
1505         * function.h (struct function): Remove x_nonlocal_labels,
1506         x_nonlocal_goto_handler_slots, x_nonlocal_goto_stack_level,
1507         x_context_display, x_trampoline_list, needs_context.
1508         Add static_chain_decl, nonlocal_goto_save_area.
1509         (struct function): Remove x_clobber_return_insn.
1510         Add tail_call_emit field, last_label_uid,
1511         unexpanded_var_list, dont_emit_block_notes,
1512         ib_boundaries_block, function_end_locus and saved_tree/saved_args.
1513         (clear_block_marks): Declare.
1514         * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Add -fmudflapth support.
1515         (mfwrap_spec, mflib_spec): Declare.
1516         (cpp_unique_options, cc1_options): Ditto.
1517         (default_compilers): Add .F and .f90.
1518         (static_specs): Add mfwrap and mflib.
1519         * gcse.c (want_to_gcse_p, gcse_constant_p): Don't handle
1520         CONSTANT_RTX_P.
1521         (reg_used_on_edge, reg_killed_on_edge, bypass_block):
1522         Update to match insns field in struct edge_def.
1523         * gdbinit.in (pgs, pge): Define.
1524         * genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
1525         instead of the integrated flag.
1526         * gengtype-lex.l (IWOrD): Add HOST_WIDEST_INT
1527         * gengtype-yacc.y (bitfieldlen): Add empty action.
1528         (struct_fields): Accept unnamed bitfields.
1529         (bitfieldlen): Split from ...
1530         (bitfieldopt): ... here.
1531         * gengtype.c (ifiles): Add tree-alias-type.h and
1532         tree-flow.h.
1533         * genrecog.c (validate_pattern): Do not handle
1534         CONSTANT_P_RTX.
1535         * gimple-low.c: New file.
1536         * gimplify.c: New file.
1537         * haifa-sched.c (priority): Do not handle CONSTANT_P_RTX.
1538         (restore_line_notes): Do not set RTX_INTEGRATED_P.
1539         * ifcvt.c (dead_or_predicable): Initialize local variable
1540         'earliest'.
1541         * input.h (expr_wfl_stack): Remove.
1542         * integrate.c (INTEGRATE_THRESHOLD): Remove.
1543         (setup_initial_hard_reg_value_integration): Likewise.
1544         (initialize_for_inline): Likewise.
1545         (note_modified_parmregs): Likewise.
1546         (integrate_parm_decls): Likewise.
1547         (process_reg_param): Likewise.
1548         (save_parm_insns): Likewise.
1549         (copy_insn_list): Likewise.
1550         (copy_insn_notes): Likewise.
1551         (compare_blocks): Likewise.
1552         (find_block): Likewise.
1553         (inlining): Likewise.
1554         (function_cannot_inline_p): Likewise.
1555         (parmdecl_map): Likewise.
1556         (in_nonparam_insns): Likewise.
1557         (save_for_inline): Likewise.
1558         (FIXED_BASE_PLUS): Likewise.
1559         (expand_inline_function): Likewise.
1560         (copy_rtx_and_substitute): Don't look at map->integrating,
1561         map->inline_target, and inlining, since we are never copying
1562         for integrating.
1563         Don't abort on RTX_INTEGRATED_P.
1564         (old_fun): Remove.
1565         (output_inline_function): Remove.
1566         * integrate.h (struct inline_map): Remove fields integrating,
1567         block_map, leaf_reg_map, inline_target, and local_return_label.
1568         * jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
1569         copy_loop_headers, never_reached_warning): Removed.
1570         (any_uncondjump_p): Reject nonlocal goto.
1571         * langhooks-def.h (lhd_types_compatible_p,
1572         lhd_expand_decl, lhd_gimplify_expr): Declare.
1573         (LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1574         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1575         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1576         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1577         LANG_HOOKS_GIMPLIFY_EXPR,
1578         LANG_HOOKS_GIMPLE_BEFORE_INLINING,
1579         LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1580         LANG_HOOKS_GIMPLIFY_EXPR,
1581         LANG_HOOKS_GIMPLE_BEFORE_INLINING): Define.
1582         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_START,
1583         LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END,
1584         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1585         LANG_HOOKS_RTL_EXPAND_INITIALIZER,
1586         LANG_HOOKS_DECL_UNINIT,
1587         LANG_HOOKS_RTL_EXPAND_INITIALIZER): Remove.
1588         * langhooks.c: Include tree-simple.h.
1589         (lhd_expand_decl): New.
1590         (lhd_types_compatible_p): New.
1591         (lhd_decl_uninit): Remove.
1592         (lhd_gimplify_expr): New.
1593         * langhooks.h (struct lang_hooks_for_rtl_expansion):
1594         Remove.
1595         (struct lang_hooks_for_functions): Add field
1596         missing_noreturn_ok_p.
1597         (struct lang_hooks): Add field expand_decl,
1598         types_compatible_p, gimplify_expr and
1599         gimple_before_inlining.
1600         Remove fields decl_uninit and rtl_expand
1601         * opts.c (decode_options): Set flag_tree_ccp,
1602         flag_tree_dce, flag_tree_dom, flag_tree_dse,
1603         flag_tree_pre, flag_tree_ter,
1604         flag_tree_live_range_split, flag_tree_sra,
1605         flag_tree_copyrename and flag_tree_ch at -O1 and higher.
1606         (common_handle_option): Handle OPT_fdump_, OPT_fmudflap,
1607         OPT_fmudflapth, OPT_fmudflapir,
1608         OPT_ftree_based_profiling, OPT_ftree_ccp, OPT_ftree_dce,
1609         OPT_ftree_combine_temps, OPT_ftree_ter, OPT_ftree_lrs,
1610         OPT_ftree_dominator_opts, OPT_ftree_copyrename,
1611         OPT_ftree_ch, OPT_ftree_dse, OPT_ftree_sra,
1612         OPT_ftree_points_to_ and OPT_ftree_pre.
1613         * output.h (regno_uninitialized, find_basic_blocks,
1614         cleanup_cfg, delete_unreachable_blocks,
1615         check_function_return_warnings): Remove.
1616         * params.def (PARAM_MAX_INLINE_INSNS_RECURSIVE,
1617         PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
1618         PARAM_MAX_INLINE_RECURSIVE_DEPTH,
1619         PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
1620         PARAM_GLOBAL_VAR_THRESHOLD, PARAM_MAX_ALIASED_VOPS):
1621         * params.h (GLOBAL_VAR_THRESHOLD, MAX_ALIASED_VOPS):
1622         Define.
1623         * passes.c (rest_of_decl_compilation):
1624         (rest_of_handle_sibling_calls): Remove.
1625         (rest_of_handle_inlining): Remove.
1626         (rest_of_handle_gcse): Do not run
1627         purge_builtin_constant_p.
1628         (rest_of_compilation): Update.
1629         Do not call copy_loop_headers.
1630         Do rtl-based profiling only when
1631         !flag_tree_based_profiling.  Register rtl-based profiling
1632         hooks.
1633         * predict.c:  Include tree-flow.h, ggc.h, tree-dump.h
1634         (predicted_by_p): Rename to ...
1635         (rtl_predicted_by_p): .. this one; make global
1636         (tree_predicted_by_p): New.
1637         (dump_prediction): Add FILE argument.
1638         (predict_edge): Rename to ...
1639         (rtl_predict_edge): .. this one.
1640         (tree_predict_edge): New.
1641         (combine_predictions_for_insn): Update calls of predict_edge.
1642         (predict_loops): Break out from ...
1643         (estimate_probability): ... here; update comments; move updating
1644         of unknown probabilities from ...
1645         (estimate_bb_frequencies): ... here.
1646         (combine_predictions_for_bb): New.
1647         (tree_predict_by_opcode): New.
1648         (tree_estimate_probability): New.
1649         * predict.def (PRED_TREE_POINTER, PRED_TREE_OPCODE_POSITIVE,
1650         PRED_TREE_OPCODE_NONEQUAL, PRED_TREE_FPOPCODE): New predictors.
1651         * predict.h: Add include guard.
1652         (predict_edge, predict_edge_def): Move prototypes to basic_block.h
1653         * pretty-print.c (pp_write_text_to_stream): Make extern.
1654         * pretty-print.h (pp_write_text_to_stream): Declare.
1655         * print-rtl.c (print_rtx): Don't print the integrated flag.
1656         Print the return_val flag.
1657         * print-tree.c: Use TREE_FILENAME and TREE_LINENO instead
1658         of DECL_SOURCE_FILE and DECL_SOURCE_LINE respectively.
1659         Remove support for EXPR_WITH_FILE_LOCATION nodes.
1660         (print_node): Print TREE_INVARIANT and TREE_VISITED.
1661         * profile.c: Include cfghooks.h, tree-flow.h.
1662         (profile_hooks): New.
1663         (profile_dump_file): New.
1664         (instrument_edges): Use hooks instead of RTL-specific code.
1665         (instrument_values): Ditto.
1666         (get_exec_counts): Ditto.
1667         (compute_branch_probabilities): Ditto.
1668         (compute_value_histograms): Ditto.
1669         (branch_prob): Ditto.
1670         (find_spanning_tree): Ditto.
1671         (end_branch_prob): Ditto.
1672         (gen_edge_profiler): Move to rtl-profile.c (rtl_gen_edge_profiler).
1673         (gen_interval_profiler): Ditto (rtl_gen_interval_profiler).
1674         (gen_pow2_profiler): Ditto (rtl_gen_pow2_profiler).
1675         (gen_one_value_profiler): Ditto (rtl_gen_one_value_profiler).
1676         (tree_register_profile_hooks): New.
1677         (rtl_register_profile_hooks): New.
1678         * ra-rewrite.c (rewrite_program): Clear variable info.
1679         * recog.c (immediate_operand): Do not handle CONSTANT_P_RTX.
1680         * regs.h: Add include guards.
1681         * reload.c (decompose): Clear val using memset.
1682         * rtl.def (CONSTANT_P_RTX): Remove.
1683         * rtl.h (CONSTANT_P): Do not handle CONSTANT_P_RTX.
1684         (copy_loop_headers): Remove.
1685         (struct rtx_def): Replace the integrated flag with the
1686         return_val flag.
1687         (maybe_set_first_label_num): Declare.
1688         (init_branch_prob): Move declaration to value-prof.h.
1689         (end_branch_prob): Ditto.
1690         (branch_prob): Ditto.
1691         (never_reached_warning): Don't declare it.
1692         * rtlanal.c (get_related_value): Initialize get_jump_table_offset
1693         (hoist_insn_to_edge): Update to match field insns in
1694         struct edge_def.
1695         * sbitmap.c (sbitmap_realloc): New.
1696         * sbitmap.h (sbitmap_realloc): Declare.
1697         * sibcall.c: Remove file.
1698         * simplify-rtx.c (simplify_rtx): Do not handle
1699         CONSTANT_P_RTX.
1700         * stmt.c (parse_output_constraint): Don't warn for read-write
1701         memory operand.
1702         (tail_recursion_args): Use types_compatible_p langhook.
1703         (force_label_rtx): Don't look at inline_function_decl.
1704         (label_rtx): Set LABEL_PRESERVE_P appropriately.
1705         (expand_label): Handle DECL_NONLOCAL and FORCED_LABEL.
1706         (declare_nonlocal_label): Remove.
1707         (expand_goto): Don't handle nonlocal gotos.
1708         (expand_nl_handler_label): Remove.
1709         (expand_nl_goto_receivers): Remove.
1710         (expand_end_bindings): Don't expand_nl_goto_receivers.  Use
1711         update_nonlocal_goto_save_area.
1712         (expand_expr_stmt_value): Check TREE_NO_WARNING.
1713         (warn_if_unused_value): Likewise.
1714         (expand_start_loop, expand_loop_continue_here,
1715         expand_end_loop): Don't create loop notes.
1716         (all_cases_count, BITARRAY_TEST, BITARRAY_SET,
1717         mark_seen_cases, check_for_full_enumeration_handling): Remove.
1718         (expand_end_case_type): Don't do warn_switch handling.
1719         (pushcase, pushcase_range) Update add_case_node calls.
1720         (add_case_node): Add dont_expand_label argument.
1721         (same_case_target_p): Don't search rtl.
1722         (expand_start_bindings_and_block, expand_end_bindings):
1723         Don't emit block notes when dont_emit_block_notes.
1724         (using_eh_for_cleanups_p): Export.
1725         (expand_return): Allow any typed rhs.
1726         (expand_stack_alloc): New.
1727         (expand_stack_save, expand_stack_restore): New.
1728         (containing_blocks_have_cleanups_or_stack_level): New
1729         function.
1730         (asm_op_is_mem_input): New fn.
1731         (expand_asm_expr): New fn.
1732         (warn_if_unused_value): Check operand 0 of SAVE_EXPR
1733         nodes.
1734         * stor-layout.c (layout_type): Just return if type is
1735         error_mark_node.
1736         (update_alignment_for_field): Export.
1737         (variable_size): We don't care about global_bindings_p if
1738         the frontend doesn't want a list of the expressions.
1739         * system.h: Poison INTEGRATE_THRESHOLD.
1740         * timevar.def (TV_TREE_GIMPLIFY, TV_TREE_EH, TV_TREE_CFG,
1741         TV_TREE_CLEANUP_CFG, TV_TREE_PTA, TV_TREE_MAY_ALIAS,
1742         TV_TREE_INSERT_PHI_NODES, TV_TREE_SSA_REWRITE_BLOCKS,
1743         TV_TREE_SSA_OTHER, TV_TREE_OPS,
1744         TV_TREE_SSA_DOMINATOR_OPTS, TV_TREE_SRA, TV_TREE_CCP,
1745         TV_TREE_SPLIT_EDGES, TV_TREE_PRE, TV_TREE_PHIOPT,
1746         TV_TREE_FORWPROP, TV_TREE_DCE, TV_TREE_CD_DCE,
1747         TV_TREE_DSE, TV_TREE_LOOP, TV_TREE_CH,
1748         TV_TREE_SSA_TO_NORMAL, TV_TREE_SSA_TO_NORMAL,
1749         TV_TREE_NRV, TV_TREE_COPY_RENAME, TV_TREE_SSA_VERIFY,
1750         TV_TREE_STMT_VERIFY, TV_DOM_FRONTIERS,
1751         TV_CONTROL_DEPENDENCES): Define.
1752         * toplev.c: Include tree-alias-common.h
1753         (current_file_decl, flag_mudflap, flag_mudflap_threads,
1754         flag_mudflap_ignore_reads, flag_tree_based_profiling,
1755         flag_tree_gvn, flag_tree_points_to, flag_tree_ccp,
1756         flag_tree_dce, flag_tree_ch, flag_tree_sra,
1757         flag_tree_combine_temps, flag_tree_ter,
1758         flag_tree_live_range_split, flag_tree_dom,
1759         flag_tree_copyrename, flag_tree_dse): Declare.
1760         (f_options): Add tree-based-profiling, tree-gvn,
1761         tree-pre, tree-ccp, tree-dce,
1762         tree-dominator-opts, tree-copyrename, tree-dse,
1763         tree-combine-temps, tree-ter, tree-lrs and tree-ch.
1764         (wrapup_global_declarations): Don't output nested inlined functions.
1765         (general_init): Call init_tree_optimization_passes.
1766         (process_options): Sorry for -ftree-based-profiling plus
1767         -ftest-coverage or -fprofile-values.
1768         * toplev.h (init_tree_optimization_passes,
1769         flag_tree_based_profiling): Declare.
1770         * tracer.c (tail_duplicate): Use cfghooks for bb duplication.
1771         * tree-alias-ander.c: New file.
1772         * tree-alias-ander.h: New file.
1773         * tree-alias-common.c: New file.
1774         * tree-alias-common.h: New file.
1775         * tree-alias-type.c: New file.
1776         * tree-alias-type.h: New file.
1777         * tree-browser.c: New file.
1778         * tree-browser.def: New file.
1779         * tree-cfg.c: New file.
1780         * tree-complex.c: New file.
1781         * tree-dfa.c: New file.
1782         * tree-dump.c (dump_enable_all): New.
1783         (dequeue_and_dump): Do not handle EXPR_WITH_FILE_LOCATION.
1784         (dump_node): Remove const from field suffix and swtch.
1785         (dump_files): Add null entry, .generic, .nested, .vcg,
1786         .xml and a match-all entry.
1787         (extra_dump_files, extra_dump_files_in_use,
1788         extra_dump_files_alloced): Declare
1789         (dump_option_value_info): Add raw, details, stats,
1790         blocks, vops, lineno, uid and all.
1791         (dump_register): New.
1792         (get_dump_file_info): New.
1793         (dump_begin): Call it.
1794         Do nothing for TDI_none.
1795         (dump_begin): Include phase number in dump filename.
1796         (dump_enable_all): New.
1797         (dump_switch_p_1): Split out from dump_switch_p.
1798         (dump_switch_p): Handle extra_dump_files.
1799         Start our scan at TDI_none + 1.
1800         If -fdump-tree-all was given, call dump_enable_all.
1801         * tree-dump.h: Include splay-tree.h.
1802         (dump_function, dump_function_to_file, dump_register):
1803         Declare.
1804         * tree-eh.c: New file.
1805         * tree-flow-inline.h: New file.
1806         * tree-flow.h: New file.
1807         * tree-inline.c: Re-write to handle inlining on GIMPLE.
1808         * tree-inline.h (walk_tree,
1809         walk_tree_without_duplicates): Move to tree.h.
1810         (estimate_num_insns): Declare.
1811         * tree-into-ssa.c: New file.
1812         * tree-iterator.c: New file.
1813         * tree-iterator.h: New file.
1814         * tree-mudflap.c: New file.
1815         * tree-mudflap.h: New file.
1816         * tree-nested.c: New file.
1817         * tree-nomudflap.c: New file.
1818         * tree-nrv.c: New file.
1819         * tree-optimize.c (dump_flags, vars_to_rename,
1820         in_gimple_form, all_passes, pass_gimple,
1821         pass_rebuild_bind, pass_all_optimizations, pass_del_cfg): Declare.
1822         (execute_gimple, execute_rebuild_bind,
1823         gate_all_optimizations, execute_del_cfg,
1824         register_one_dump_file, register_dump_files, dup_pass_1,
1825         init_tree_optimization_passes, execute_todo,
1826         execute_one_pass, execute_pass_list): New.
1827         (clear_decl_rtl): Remove.
1828         (tree_rest_of_compilation): Update to use tree
1829         optimizers.
1830         * tree-outof-ssa.c: New file.
1831         * tree-pass.h: New file.
1832         * tree-phinodes.c: New file.
1833         * tree-pretty-print.c: New file.
1834         * tree-profile.c: New file.
1835         * tree-simple.c: New file.
1836         * tree-simple.h: New file.
1837         * tree-sra.c: New file.
1838         * tree-ssa-alias.c: New file.
1839         * tree-ssa-ccp.c: New file.
1840         * tree-ssa-copy.c: New file.
1841         * tree-ssa-copyrename.c: New file.
1842         * tree-ssa-dce.c: New file.
1843         * tree-ssa-dom.c: New file.
1844         * tree-ssa-dse.c: New file.
1845         * tree-ssa-forwprop.c: New file.
1846         * tree-ssa-live.c: New file.
1847         * tree-ssa-live.h: New file.
1848         * tree-ssa-loop.c: New file.
1849         * tree-ssa-operands.c: New file.
1850         * tree-ssa-operands.h: New file.
1851         * tree-ssa-phiopt.c: New file.
1852         * tree-ssa-pre.c: New file.
1853         * tree-ssa.c: New file.
1854         * tree-ssanames.c: New file.
1855         * tree-tailcall.c: New file.
1856         * tree.c: Include tree-iterator.h, basic-block.h and
1857         tree-flow.h.
1858         (tree_node_kind): Add phi_nodes and ssa names.
1859         (tree_size): Handle PHI_NODE, EPHI_NODE, SSA_NAME,
1860         EUSE_NODE, EKILL_NODE, EEXIT_NODE and STATEMENT_LIST.
1861         (make_node_stat): Handle PHI_NODE and SSA_NAME.
1862         <'c'> Set TREE_INVARIANT.
1863         (copy_node_stat): Abort if trying to copy a
1864         STATEMENT_LIST.
1865         Clear TREE_VISITED.
1866         Clear annotation field.
1867         (build_constructor): Copy TREE_INVARIANT from vals.
1868         Don't clear TREE_CONSTANT.
1869         (expr_first, expr_last, expr_length): Remove.
1870         (staticp): Pass unknown component references to the language.
1871         (save_expr): Check TREE_INVARIANT instead of TREE_CONSTANT.
1872         (skip_simple_arithmetic): Likewise.
1873         (stabilize_reference_1): Likewise.
1874         (tree_node_structure): Handle PHI_NODE, EPHI_NODE,
1875         EUSE_NODE, EKILL_NODE, EEXIT_NODE, SSA_NAME and
1876         STATEMENT_LIST.
1877         (lhd_unsave_expr_now): Remove.
1878         (unsafe_for_reeval): Handle LABEL_EXPR and BIND_EXPR.
1879         (recompute_tree_invarant_for_addr_expr): New.
1880         (build1_stat): Clear EXPR_LOCUS and TREE_BLOCK.
1881         Call recompute_tree_invarant_for_addr_expr.
1882         Set TREE_INVARIANT accordingly.
1883         (build2_stat): Don't handle CALL_EXPR.
1884         (build3_stat): Don't call build2_stat for CALL_EXPRs.
1885         (build_expr_wfl): Remove.
1886         (annotate_with_file_line, annotate_with_locus): New.
1887         (simple_cst_equal): Call simple_cst_list_equal to compare
1888         CONSTRUCTOR_ELTS pointers.
1889         (iterative_hash_expr): Don't hash types associated
1890         with conversions.  Instead hash on the signedness of the
1891         toplevel object and the operand of the conversion.
1892         (dump_tree_statistics): Call ssanames_print_statistics
1893         and phinodes_print_statistics.
1894         (ephi_node_elt_check_failed, phi_node_elt_check_failed,
1895         add_var_to_bind_expr, build_empty_stmt, is_essa_node,
1896         needs_to_live_in_memory): New.
1897         (initializer_zerop): Handle VECTOR_CST.  Don't check
1898         AGGREGATE_TYPE_P for CONSTRUCTOR.
1899         * tree.def (FILTER_EXPR, CASE_LABEL_EXPR, RESX_EXPR,
1900         SSA_NAME, EUSE_NODE, EKILL_NODE, EPHI_NODE, EEXIT_NODE,
1901         PHI_NODE, CATCH_EXPR, EH_FILTER_EXPR, STATEMENT_LIST): Define.
1902         (GOTO_SUBROUTINE_EXPR): Change type to 's'.
1903         (CALL_EXPR): Add another operand.
1904         (EXPR_WITH_FILE_LOCATION): Remove.
1905         (SWITCH_EXPR): Add another operand.
1906         * tree.h: Update various comments.
1907         (union tree_ann_d): Forward declare.
1908         (struct tree_common): Add fields nowarning_flag,
1909         invariant_flag and visited.
1910         (EREF_NODE_CHECK, EPHI_NODE_ELT_CHECK,
1911         PHI_NODE_ELT_CHECK, EREF_NODE_CHECK, PHI_NODE_ELT_CHECK,
1912         EPHI_NODE_ELT_CHECK, TREE_BLOCK,
1913         STRIP_USELESS_TYPE_CONVERSION, CALL_EXPR_TAILCALL,
1914         TREE_NO_WARNING, FORCED_LABEL, TREE_INVARIANT,
1915         IS_EMPTY_STMT, EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME,
1916         EXPR_LINENO, EXPR_LOCATION, EXPR_HAS_LOCATION,
1917         EXIT_EXPR_COND, SWITCH_COND, SWITCH_BODY, SWITCH_LABELS,
1918         CASE_LOW, CASE_HIGH, CASE_LABEL, BIND_EXPR_VARS,
1919         BIND_EXPR_BODY, BIND_EXPR_BLOCK, GOTO_DESTINATION,
1920         ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, ASM_CLOBBERS,
1921         ASM_INPUT_P, ASM_VOLATILE_P, COND_EXPR_COND,
1922         COND_EXPR_THEN, COND_EXPR_ELSE, LABEL_EXPR_LABEL,
1923         CATCH_TYPES, CATCH_BODY, EH_FILTER_TYPES,
1924         EH_FILTER_FAILURE, EH_FILTER_MUST_NOT_THROW,
1925         SSA_NAME_VAR, SSA_NAME_DEF_STMT, SSA_NAME_VERSION,
1926         SSA_NAME_OCCURS_IN_ABNORMAL_PHI, SSA_NAME_IN_FREE_LIST,
1927         PHI_RESULT, PHI_REWRITTEN, PHI_NUM_ARGS,
1928         PHI_ARG_CAPACITY, PHI_ARG_ELT, PHI_ARG_EDGE, PHI_ARG_DEF,
1929         EREF_PROCESSED, EREF_ID, EREF_NAME, EREF_STMT,
1930         EREF_RELOAD, EREF_SAVE, EREF_CLASS, EREF_INJURED,
1931         EREF_TEMP, EUSE_DEF, EUSE_PHIOP, EUSE_INSERTED,
1932         EUSE_LVAL, EPHI_NUM_ARGS, EPHI_ARG_CAPACITY,
1933         EPHI_ARG_ELT, EPHI_ARG_EDGE, EPHI_ARG_PRED, EPHI_ARG_DEF,
1934         EPHI_ARG_INJURED, EPHI_ARG_DELAYED_RENAME,
1935         EPHI_ARG_HAS_REAL_USE, EPHI_ARG_STOPS,
1936         EPHI_ARG_PROCESSED2, EPHI_IDENTITY, EPHI_IDENT_INJURED,
1937         EPHI_REP_OCCUR_KNOWN, EPHI_IDENTICAL_TO, EPHI_DOWNSAFE,
1938         EPHI_CANT_BE_AVAIL, EPHI_DEAD, EPHI_USES, EPHI_STOPS,
1939         TREE_VISITED, SSA_VAR_P, DECL_NUM_STMTS,
1940         DECL_HARD_REGISTER, DECL_PTA_ALIASVAR, LABEL_DECL_UID,
1941         DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL,
1942         STATEMENT_LIST_HEAD, STATEMENT_LIST_TAIL, TDF_RAW,
1943         TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO,
1944         TDF_UID,): Define.
1945         (TREE_NO_UNUSED_WARNING, EXPR_WFL_EMIT_LINE_NOTE,
1946         EXPR_WFL_NODE, EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME,
1947         EXPR_WFL_LINECOL, EXPR_WFL_LINENO, EXPR_WFL_COLNO,
1948         EXPR_WFL_SET_LINECOL): Remove.
1949         (phi_node_elt_check_failed, ephi_node_elt_check_failed,
1950         make_phi_node, init_phinodes, fini_phinodes,
1951         release_phi_node, phinodes_print_statistics,
1952         init_ssanames, fini_ssanames, make_ssa_name,
1953         release_ssa_name, ssanames_print_statistics,
1954         annotate_with_file_line, build_empty_stmt,
1955         annotate_with_locus, expr_only, categorize_ctor_elements,
1956         count_type_elements, add_var_to_bind_expr, is_essa_node,
1957         expand_stack_alloc, expand_stack_save,
1958         expand_stack_restore, add_case_node, operand_equal_p,
1959         nondestructive_fold_unary_to_constant,
1960         nondestructive_fold_binary_to_constant,
1961         fold_read_from_constant_string, int_const_binop,
1962         strip_float_extensions, simplify_builtin, c_strlen,
1963         recompute_tree_invarant_for_addr_expr,
1964         needs_to_live_in_memory, make_vector,
1965         setjmp_vars_warning, update_alignment_for_field,
1966         expand_asm_expr, asm_op_is_mem_input,
1967         containing_blocks_have_cleanups_or_stack_level,
1968         create_artificial_label, gimplify_function_tree,
1969         get_name, unshare_expr, walk_tree,
1970         walk_tree_without_duplicates, in_gimple_form): Declare.
1971         (struct tree_exp): Add fields locus and block.
1972         (struct tree_ssa_name, struct edge_def, struct
1973         tree_phi_node, struct tree_eref_common, struct
1974         tree_euse_node, struct ephi_arg_d, struct tree_ephi_node,
1975         union alias_var_def, struct tree_statement_list_node,
1976         struct tree_statement_list, enum operand_equal_flag): Declare.
1977         (enum tree_node_structure_enum): Add TS_SSA_NAME,
1978         TS_PHI_NODE, TS_EPHI_NODE, TS_EUSE_NODE, TS_EREF_NODE,
1979         TS_STATEMENT_LIST.
1980         (union tree_node): Add fields ssa_name, phi, eref, ephi,
1981         euse and stmt_list.
1982         (function_cannot_inline_p, uninitialized_vars_warning,
1983         save_for_inline, output_inline_function, all_cases_count,
1984         check_for_full_enumeration_handling,
1985         declare_nonlocal_label): Remove.
1986         (enum tree_dump_index): Add TDI_none, TDI_tu,
1987         TDI_generic, TDI_nested, TDI_vcg, TDI_xml.
1988         * unroll.c (unroll_loop): Don't clear map->inline_target.
1989         * unwind-sjlj.c (uw_install_context): Make a proper static inline
1990         function.
1991         * value-prof.c (value_prof_hooks): New.
1992         (find_values_to_profile): Rename to rtl_find_values_to_profile.
1993         Move rtl-specific bits in from branch_prob.
1994         (value_profile_transformations): Rename to
1995         rtl_value_profile_transformations.
1996         (struct value_prof_hooks): New.
1997         (rtl_value_prof_hooks): New.
1998         (rtl_register_value_prof_hooks): New.
1999         (tree_find_values_to_profile): New stub.
2000         (tree_value_profile_transformations): New stub.
2001         (tree_value_prof_hooks): New stub.
2002         (tree_register_value_prof_hooks): New stub.
2003         (find_values_to_profile): New.
2004         (value_profile_transformations): New.
2005         * value-prof.h: Add multiple inclusion guard.
2006         (struct histogram_value): Change rtx fields to void *.
2007         (rtl_register_value_prof_hooks): New declaration.
2008         (tree_register_value_prof_hooks): New declaration.
2009         (find_values_to_profile): New declaration.
2010         (free_profiled_values): New declaration.
2011         (value_profile_transformations): New declaration.
2012         (struct profile_hooks): New declaration.
2013         (init_branch_prob): Declaration moved from rtl.h.
2014         (branch_prob): Declaration moved from rtl.h.
2015         (end_branch_prob): Declaration mooved from rtl.h.
2016         (tree_register_profile_hooks): New declaration.
2017         (rtl_register_profile_hooks): New declaration.
2018         (tree_profile_hooks): New declaration.
2019         (rtl_profile_hooks): New declaration.
2020         * varasm.c: Include tree-mudflap.h.
2021         (TRAMPOLINE_ALIGNMENT): Remove.
2022         (make_decl_rtl): Call mudflap_enqueue_decl.
2023         (assemble_static_space):
2024         (assemble_trampoline_template): Set and return
2025         TRAMPOLINE_ALIGNMENT.
2026         * varray.c (element): Add GENERIC_PTR_NOGC entry.
2027         Add entry for 'tree *'.
2028         Add entry for struct edge_def *.
2029         (varray_copy): New.
2030         * varray.h (enum varray_data_enum): Add
2031         VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_EDGE and
2032         VARRAY_DATA_TREE_PTR.
2033         (union varray_data_tag): Corresponding changes.
2034         (VARRAY_GENERIC_PTR_NOGC_INIT, VARRAY_EDGE_INIT,
2035         VARRAY_TREE_PTR_INIT, VARRAY_GENERIC_PTR_NOGC,
2036         VARRAY_EDGE, VARRAY_TREE_PTR,
2037         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_EDGE,
2038         VARRAY_PUSH_TREE_PTR, VARRAY_TOP_GENERIC_PTR_NOGC,
2039         VARRAY_TOP_EDGE, VARRAY_TOP_TREE_PTR): Define.
2040
2041         * config/*/*: Various updates for changed macros, tree
2042         codes, etc.  Check ChangeLog.tree-ssa.
2043
2044         * doc/cfg.texi: New file.
2045         * doc/tree-ssa.texi: New file.
2046         * doc/c-tree.texi: Document new codes.
2047         * doc/gccint.texi: Include new files.
2048         * doc/install.texi: Document new features.
2049         * doc/invoke.texi: Document new switches.
2050         * doc/passes.texi: Document new passes.
2051         * doc/rtl.texi: Update changed RTL codes.
2052         * doc/sourcebuild.texi: Update build instructions.
2053         * doc/standards.texi: Document Fortran changes.
2054         * doc/tm.texi: Update.
2055
2056 2004-05-12  Paolo Bonzini  <bonzini@gnu.org>
2057
2058         Replace several arrays with a struct of arrays.
2059         * combine.c (struct reg_stat): New.
2060         (init_reg_last_arrays): Renamed to...
2061         (init_reg_last): ...this.  Callers adjusted.
2062         (reg_stat): New.
2063         (combine_instructions): Allocate it and use it.
2064         (reg_last_death, reg_last_set, reg_last_set_value,
2065         reg_last_set_label, reg_last_set_table_tick,
2066         reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
2067         reg_last_set_mode, reg_last_set_nonzero_bits,
2068         reg_last_set_sign_bit_copies): Replace throughout
2069         with items of reg_stat.
2070
2071 2004-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2072
2073         PR optimization/15100
2074         * combine.c (distribute_notes): Don't create a dangling
2075         REG_LIBCALL/REG_RETVAL note.
2076
2077 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2078
2079         * config/rs6000/spe.md (spe_evneg): Rename to negv2si2.
2080
2081         * config/rs6000/rs6000.c (bdesc_1arg): Change spe_evneg to
2082         negv2si2.
2083
2084 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2085
2086         * doc/md.texi (Standard Names): Fix typo in vec_init description.
2087
2088 2004-05-11  Geoffrey Keating  <geoffk@apple.com>
2089
2090         * doc/gty.texi (GTY Options): Clarify example.
2091
2092 2004-05-11  Fariborz Jahanian  <fjahanian@apple.com>
2093
2094         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
2095         Add const qualifier to altivec vector type if one is needed.
2096
2097 2004-05-11  Paul Brook  <paul@codesourcery.com>
2098
2099         * flags.h (flag_short_enums): Update comment.
2100         * opts.c (decode_options): Set flag_short_enums to 2.
2101         * toplev.c (flag_short_enums): Update comment.
2102         (process_options): Call default_short_enums target hook.
2103
2104 2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>
2105
2106         PR target/14063
2107         * config/rs6000/altivec.md (altivec_dssall):
2108         Change to unspec_volatile.
2109         (altivec_dss): Likewise.
2110
2111 2004-05-10  Aldy Hernandez  <aldyh@redhat.com>
2112
2113         * config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to
2114         vnor.
2115         ("one_cmplv8hi2"): Same.
2116         ("one_cmplv4si2"): Same.
2117
2118 2004-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2119
2120         PR target/15130
2121         * config/sh/sh-protos.h (sh_expand_epilogue): Change prototype.
2122         * config/sh/sh.c (output_stack_adjust): Take the sibcall epilogue
2123         into account.  Compute the correct number of general registers
2124         for the return value.  Generate a special push/pop sequence when
2125         failing to get a temporary register for non SHmedia epilogue.
2126         (sh_expand_epilogue): Add an argument to show whether it's for
2127         sibcall or not.  Set the 3rd argument of output_stack_adjust to
2128         -1 if needed.
2129         (sh_need_epilogue): Call sh_expand_epilogue with 0.
2130         * config/sh/sh.md (sibcall_epilogue): Call sh_expand_epilogue
2131         with 1.
2132         (epilogue): Call sh_expand_epilogue with 0.
2133
2134 2004-05-10  Andrew Pinski  <pinskia@physics.uc.edu>
2135
2136         * gcse.c (eliminate_partially_redundant_loads): Instead of returning early,
2137         goto a cleanup label.  After the cleanup, free the allocated memory.
2138
2139 2004-05-10  Ziemowit Laski  <zlaski@apple.com>
2140
2141         * config/rs6000/altivec.h (vec_sld): Add overloads for
2142         argument/return types of 'vector bool int', 'vector bool short'
2143         and 'vector bool char'.
2144
2145 2004-05-10  Zack Weinberg  <zack@codesourcery.com>
2146
2147         * c-decl.c (store_parm_decls_newstyle): Correct test for a
2148         nested function.
2149
2150 2004-05-10  Richard Sandiford  <rsandifo@redhat.com>
2151
2152         * read-rtl.c (read_rtx): Allow 's' and 'T' strings to be omitted,
2153         treating missing ones as "".
2154         * config/mips/mips.md: Remove constraints from match_operands and
2155         match_scratches if they appear in define_expands (except reload*),
2156         define_peephole2s, define_splits or attribute specifications.
2157         * config/mips/7000.md, config/mips/sb1.md: Remove match_operand
2158         constraint strings.
2159
2160 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2161
2162         * config/rs6000/rs6000.c (function_arg_boundary): Always align
2163         AltiVec vectors.
2164         (function_arg_advance): Pass TARGET_32BIT -mabi=no-altivec AltiVec
2165         vectors by refererence.  Align the same for TARGET_64BIT to a 16
2166         byte boundary.  Remove useless code.  Add function comment.
2167         (function_arg): Similarly.  Move gpr rs6000_mixed_function_arg
2168         call to where it belongs.
2169         (function_arg_partial_nregs): Return true for all TARGET_32BIT
2170         -mabi=no-altivec AltiVec vectors.  Fix debug output.
2171         (rs6000_va_arg): Adjust for AltiVec change.
2172
2173 2004-05-10  Paul Brook  <paul@codesourcery.com>
2174
2175         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2176         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2177         (TARGET_DOUBLEWORD_ALIGN): Use it.
2178         (WCHAR_TYPE): Define.
2179         (WCHAR_SIZE_TYPE): Define.
2180         (SIZE_TYPE): Define.
2181
2182 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2183
2184         * config/rs6000/rs6000.c (function_arg_boundary): Align for ABI_V4
2185         when size is 8 bytes.
2186         (function_arg_advance): Account for stack space used by AltiVec
2187         args when -mabi=altivec.  Simplify alignment calculations.  For
2188         ABI_V4, pass AltiVec vectors by reference when -mabi=no-altivec.
2189         (function_arg): Similarly.
2190         (function_arg_pass_by_reference): True for ABI_V4 AltiVec when
2191         not AltiVec ABI.
2192         (rs6000_va_arg): Correct fp arg test.  Adjust for AltiVec change.
2193         Correct alignment, and align before testing reg count.  Remove
2194         TREE_THIS_VOLATILE from reg.  Don't emit unused labels.
2195         (rs6000_complex_function_value): Check TARGET_HARD_FLOAT and
2196         TARGET_FPRS here..
2197         (rs6000_function_value): .. not here before call.
2198
2199 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2200
2201         * config/rs6000/spe.md ("tstsflt_gpr"): Fix typo in unspec.
2202
2203 2004-05-09  Zack Weinberg  <zack@codesourcery.com>
2204
2205         PR 15007
2206         * c-decl.c (current_file_decl): Rename to all_translation_units,
2207         adjust comment.
2208         (pop_scope): If popping file_scope, construct a
2209         TRANSLATION_UNIT_DECL and make it the context of all the
2210         symbols in the scope.
2211         (push_file_scope): Don't construct a TRANSLATION_UNIT_DECL here.
2212         (pushdecl): Clarify comment.  Do not set DECL_CONTEXT of
2213         anything to current_file_decl.
2214         (pushdecl_top_level): Likewise.
2215         (store_parm_decls_newstyle): Adjust check for nested function.
2216         (c_write_global_declarations): Update for renamed variable.
2217
2218 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2219
2220         * config/rs6000/rs6000-protos.h
2221         (rs6000_conditional_register_usage): Protoize.
2222
2223         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): New.
2224
2225         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Call
2226         function.
2227
2228 2004-05-08  Roger Sayle  <roger@eyesopen.com>
2229
2230         * fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
2231         where op is a comparison operator and C1 and C2 are integer constants
2232         into a range check.
2233         (fold): Call fold_div_compare.
2234
2235 2004-05-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2236
2237         * doc/install.texi (sparc-sun-solaris2*): Document bootstrap
2238         problems with earlier versions of the GNU compiler.
2239
2240 2004-05-07  Aldy Hernandez  <aldyh@redhat.com>
2241
2242         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
2243         Declare.
2244
2245         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
2246         (rs6000_hard_regno_mode_ok): New.
2247         (rs6000_init_hard_regno_mode_ok): New.
2248         (rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.
2249
2250         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
2251         result.
2252
2253 2004-05-07  Ziemowit Laski  <zlaski@apple.com>
2254
2255         * config/rs6000/altivec.h (vector, pixel, bool): Do not
2256         define as macros #ifdef __APPLE_ALTIVEC__.
2257
2258 2004-05-07  Fariborz Jahanian  <fjahanian@apple.com>
2259
2260         * config/rs6000/rs6000.c (rs6000_mixed_function_arg):
2261         Generate appropriate parallels for vector arguments
2262         passed to vararg functions. (function_arg): make the call
2263         to rs6000_mixed_function_arg for vector args as needed.
2264
2265 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2266
2267         * config/mips/mips.c (mips_va_arg): Fix calculation of osize for
2268         EABI_FLOAT_VARARGS_P.
2269
2270 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2271
2272         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY): Remove TARGET_MIPS5500.
2273         * config/mips/mips.c (override_options): Disable branch likely
2274         instructions if TUNE_MIPS5500.
2275
2276 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2277
2278         * config/mips/mips.c (override_options): Allow the hi and lo registers
2279         to store any integral mode, not just MODE_INTs.
2280
2281 2004-05-07  Paul Brook  <paul@codesourcery.com>
2282
2283         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2284         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2285         (TARGET_DOUBLEWORD_ALIGN): Use it.
2286         (WCHAR_TYPE): Define.
2287         (WCHAR_SIZE_TYPE): Define.
2288         (SIZE_TYPE): Define.
2289
2290 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2291
2292         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Use
2293         testb $4, %ah insn instead of sahf insn if !TARGET_USE_SAHF.
2294
2295 2004-05-07  Andrew Pinski  <pinskia@physics.uc.edu>
2296
2297         * loop-doloop.c (doloop_valid_p): Make sure that body
2298         gets freed.
2299
2300 2004-05-07  Eric Botcazou  <ebotcazou@act-europe.fr>
2301
2302         * config/sparc/sparc-protos.h (sparc_skip_caller_unimp): New
2303         declaration.
2304         * config/sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Delete.
2305         (sparc_skip_caller_unimp): New global variable.
2306         (sparc_function_epilogue): Set 'sparc_skip_caller_unimp'.
2307         Use it instead of SKIP_CALLERS_UNIMP_P.
2308         * config/sparc/sparc.md (call expander): Add sanity check.
2309         (call_address_struct_value_sp32): Re-sync with expander.
2310         (call_symbolic_struct_value_sp32): Likewise.
2311         (return peepholes): Use 'sparc_skip_caller_unimp' instead
2312         of custom predicate.
2313
2314 2004-05-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2315
2316         PR c++/14962
2317         * c-pragma.c (handle_pragma_redefine_extname): Only change
2318         the assembler name of FUNCTION_DECLs and VAR_DECLs.
2319
2320 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2321
2322         * optabs.h (enum optab_index): Add new OTI_log1p.
2323         (log1p_optab): Define corresponding macro.
2324         * optabs.c (init_optabs): Initialize log1p_optab.
2325         * genopinit.c (optabs): Implement log1p_optab using log1p?f2
2326         patterns.
2327         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG1P{,F,L}
2328         using log1p_optab.
2329         (expand_builtin): Expand BUILT_IN_LOG1P{,F,L} using
2330         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2331
2332         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2XP1.
2333
2334         * config/i386/i386.c (ix86_emit_i387_log1p): New function.
2335         * config/i386/i386-protos.h (ix86_emit_i387_log1p):
2336         Prototype here.
2337         * config/i386/i386.md (UNSPEC_FYL2XP1): New unspec to represent
2338         x87's fyl2xp1 instruction.
2339         (*fyl2x_xf3): Rename insn definition to fyl2x_xf3.
2340         (fyl2xp1_xf3): New pattern to implement fyl2xp1 x87 instruction.
2341         (log1psf2, log1pdf2, log1pxf2): New expanders to implement log1pf,
2342         log1p  and log1pl built-ins as inline x87 intrinsics.
2343
2344 2004-05-07  Loren James Rittle  <ljrittle@acm.org>
2345
2346         * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Proper redefinition.
2347         * config/arm/freebsd.h: Likewise.
2348         * config/ia64/freebsd.h: Likewise.
2349         * config/sparc/freebsd.h: Likewise.
2350
2351 2004-05-07  Hans-Peter Nilsson  <hp@axis.com>
2352
2353         PR optimization/15296
2354         * reorg.c (fill_simple_delay_slots): Use next_real_insn when
2355         getting last consecutive label at a branch.
2356         (relax_delay_slots): Similar, near top of loop.
2357
2358 2004-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2359
2360         PR target/15202
2361         * pa.md (movdi, movsi, movhi, movqi): Support move from shift amount
2362         register to general register.
2363
2364 2004-05-07  Alan Modra  <amodra@bigpond.net.au>
2365
2366         * config/rs6000/rs6000.h (STACK_BOUNDARY): Use 128 bit for either
2367         TARGET_ALTIVEC or TARGET_ALTIVEC_ABI.
2368         * config/rs6000/sysv4.h (ABI_STACK_BOUNDARY): Likewise.
2369         (STACK_BOUNDARY): Delete.
2370
2371 2004-05-06  Stuart Hastings  <stuart@apple.com>
2372
2373         * gcc/doc/invoke.texi: Restore -fgcse-after-reload doc from 1.421,
2374         mistakenly clobbered by 1.423.
2375
2376 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2377
2378         * doc/invoke.texi: Document -mvr4130-align.
2379         * config/mips/mips.h (MASK_VR4130_ALIGN, TARGET_VR4130_ALIGN)
2380         (TUNE_MIPS4120, TUNE_MIPS4130): New macros.
2381         (TUNE_MACC_CHAINS): Include TUNE_MIPS4120 and TUNE_MIPS4130.
2382         (TARGET_SWITCHES): Add -mvr4130-align and -mno-vr4130-align.
2383         * config/mips/mips.md: Include sched-int.h.
2384         (USEFUL_INSN_P, SEQ_BEGIN, SEQ_END, FOR_EACH_SUBINSN): New macros.
2385         (mips_rtx_costs): Set integer multiplication costs for TUNE_MIPS4130.
2386         (override_options): Enable -mvr4130-align at -O3 and above.
2387         (mips_sim_insn): New variable.
2388         (mips_sim): New structure.
2389         (mips_sim_reset, mips_sim_init, mips_sim_next_cycle, mips_sim_wait_reg)
2390         (mips_sim_wait_regs_2, mips_sim_wait_regs_1, mips_sim_wait_regs)
2391         (mips_sim_wait_units, mips_sim_wait_insn, mips_sim_record_set)
2392         (mips_sim_issue_insn, mips_sim_issue_nop, mips_sim_finish_insn)
2393         (vr4130_avoid_branch_rt_conflict, vr4130_align_insns): New functions.
2394         (mips_reorg): Call vr4130_align_insns.
2395         (vr4130_last_insn): New variable.
2396         (vr4130_true_reg_dependence_p_1, vr4130_true_reg_dependence_p)
2397         (vr4130_swap_insns_p, vr4130_reorder): New functions.
2398         (mips_sched_reorder, mips_variable_issue): Hook in vr4130 code.
2399         (mips_issue_rate): Return 2 for PROCESSOR_R4130.
2400         (mips_use_dfa_pipeline_interface): Return true for the same.
2401         * config/mips/4130.md: New file.
2402         * config/mips/mips.md: Include it.  Add a peephole2 to convert
2403         "mult;mflo" into "mtlo;macc".
2404         (*macc, *umul_acc_di, *smul_acc_di): Use $1 rather than $0 as the
2405         target of maccs.
2406         (*msac_using_macc): New pattern.
2407
2408 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2409
2410         * config/mips/5500.md (ir_vr55_store): Set latency to 0.
2411         (ir_vr55_hilo): Split into...
2412         (ir_vr55_mfhilo, ir_vr55_mthilo): ...these new reservations.
2413         (ir_vr55_imul_si, ir_vr55_imadd): Change latency to 5.
2414         (ir_vr55_imul_di): Change latency to 9.  Reserve vr55_mac for 4 cycles.
2415         Add various multiplication bypasses.
2416         * config/mips/mips.c (mips_rtx_costs): Adjust VR5500 costs for integer
2417         multiplication.
2418
2419 2004-05-06  Uros Bizjak  <uros@kss-loka.si>
2420
2421         * config/i386/i386.md (*fscalexf4): Correct insn "mode"
2422         attribute to "XF".
2423
2424 2004-05-05  Uros Bizjak  <uros@kss-loka.si>
2425
2426         * optabs.h (enum optab_index): Add new OTI_fmod and OTI_drem.
2427         (fmod_optab, drem_optab): Define corresponding macros.
2428         * optabs.c (init_optabs): Initialize fmod_optab and drem_optab.
2429         * genopinit.c (optabs): Implement fmod_optab and drem_optab
2430         using fmod?f3 and drem?f3 patterns.
2431         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_FMOD{,F,L}
2432         using fmod_optab and BUILT_IN_DREM{,F,L} using drem_optab.
2433         (expand_builtin): Expand BUILT_IN_FMOD{,F,L} and
2434         BUILT_IN_DREM{,F,L} using expand_builtin_mathfn_2 if
2435         flag_unsafe_math_optimizations is set.
2436
2437         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FPREM_F,
2438         UNSPEC_FPREM_U, UNSPEC_FPREM1_F and UNSPEC_FPREM1_U.
2439
2440         * config/i386/i386.c (ix86_emit_fp_unordered_jump): New function.
2441         * config/i386/i386-protos.h (ix86_emit_fp_unordered_jump):
2442         Prototype here.
2443         * config/i386/i386.md (UNSPEC_FPREM_F, UNSPEC_FPREM_U,
2444         UNSPEC_FPREM1_F, UNSPEC_FPREM1_U): New unspecs to represent x87's
2445         fprem and fprem1 instructions.
2446         (*x86_fnstsw_1): Change input parameter to (reg:CCFP 18).
2447         Rename insn definition to x86_fnstsw_1.
2448         (fpremxf4, fprem1xf4): New patterns to implement fprem and fprem1
2449         x87 instructions.
2450         (fmodsf3, fmoddf3, fmodxf3): New expanders to implement fmodf, fmod
2451         and fmodl built-ins as inline x87 intrinsics.
2452         (dremsf3, dremdf3, dremxf3): New expanders to implement dremf, drem
2453         and dreml built-ins as inline x87 intrinsics.
2454
2455 2004-05-05  Roger Sayle  <roger@eyesopen.com>
2456
2457         * reload1.c (inherit_piecemeal_p): Mark parameters potentially unused.
2458
2459 2004-05-05  Ian Lance Taylor  <ian@wasabisystems.com>
2460
2461         PR driver/9822
2462         * doc/invoke.texi (Spec Files): Remove documentation of %c.
2463
2464 2004-05-05  Chris Demetriou  <cgd@broadcom.com>
2465
2466         * config/mips/mips.md: Update the msub define_split for new mflo/mfhi
2467         representation.
2468
2469 2004-05-06  Paul Brook  <paul@codesourcery.com>
2470
2471         * config/arm/arm-protots.h (vfp_mem_operand): Rename ...
2472         (arm_coproc_mem_operand): ... To this.
2473         * config/arm/arm.c (arm_legitimate_address_p): Allow ldrd modes.
2474         (arm_legitimate_index_p): Ditto.
2475         (vfp_mem_operand): Rename ...
2476         (arm_coproc_mem_operand): ... To this.  Handle writeback modes.
2477         (vfp_secondary_reload_class): Use it.
2478         (output_move_double): Use doubleword load/store instructions.
2479         (arm_hard_regno_mode_ok): Only allow even reg pairs for ldrd.
2480         * config/arm/arm.h (TARGET_LDRD): Define.
2481         (EXTRA_CONSTRAINT_STR_ARM): Add 'Uy'.
2482         * config/gcc/arm/arm.md (arm_movdi): Allow all valid memory operands.
2483         New splitter for invalid doubleword loads.
2484         * config/arm/iwmmxt.md (iwmmxt_arm_movdi): Use Uy constraint.
2485         * config/arm/vfp.md (arm_movdi_vfp): Allow all valid memory operands.
2486         * doc/md.texi: Document Uy constraint.
2487
2488 2004-05-05  Jan Hubicka  <jh@suse.cz>
2489
2490         PR opt/14980
2491         * cgraphunit.c (cgraph_remove_unreachable_nodes): Deal properly with
2492         inline clones.
2493
2494 2004-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2495
2496         PR target/15290
2497         * config/i386/i386.c (ix86_split_to_parts): Use real_to_target
2498         instead of REAL_VALUE_TO_TARGET_LONG_DOUBLE.
2499
2500 2004-05-05  Mike Stump  <mrs@apple.com>
2501
2502         * config/darwin-c.c (add_framework): Copy the directory name as it
2503         can be freed later.  Also, ensure we always allocate enough room
2504         for the cached framework information.
2505         (find_subframework_header): Keep track of the directory where the
2506         subframework header was found.
2507         (framework_construct_pathname): Speed up by not trying to re-add a
2508         framework.
2509         * cppfiles.c (search_path_exhausted): Arrange for the missing
2510         header callback to be able to set the directory where the header
2511         was found.
2512         (cpp_get_dir): Add.
2513         * cpplib.h (missing_header_cb): Add a parameter.
2514         (cpp_get_dir): Add.
2515
2516 2004-05-03  Mike Stump  <mrs@apple.com>
2517
2518         * doc/invoke.texi (Directory Options): Document -iquote.
2519         * doc/cpp.texi: Likewise.
2520         * doc/cppopts.texi: Likewise.
2521         * c-opts.c (c_common_missing_argument): Add -iquote processing.
2522         (c_common_handle_option): Likewise.
2523         * c.opt (iquote): Add.
2524         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -iquote.
2525         * c-incpath.c (merge_include_chains): Update comment to use -iquote.
2526
2527         * c-opts.c (case OPT_I): Deprecate -I- support.
2528         * doc/invoke.texi: Likewise.
2529         * doc/cpp.texi: Likewise.
2530         * doc/cppopts.texi: Likewise.
2531
2532 2004-05-05  Steven Bosscher  <stevenb@suse.de>
2533
2534         * basic-block.h (free_basic_block_vars): Update prototype.
2535         * flow.c (free_basic_block_vars): Remove the keep_head_end_p
2536         argument.
2537         (life_analysis): Update call.
2538         * ifcvt.c (if_convert): Likewise.
2539         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2540         * passes.c (rest_of_handle_final): Likewise.
2541         (rest_of_compilation): Likewise.
2542         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2543
2544         * emit-rtl.c (next_real_insn): Use INSN_P.
2545         (prev_real_insn): Likewise.
2546
2547 2004-05-05  Eric Christopher  <echristo@redhat.com>
2548
2549         * config/mips/mips.md: Update the madd define_split for new mflo/mfhi
2550         representation.
2551
2552 2004-05-05  Paolo Bonzini  <bonzini@gnu.org>
2553
2554         * config/rs6000/rs6000.c (build_opaque_vector_type):
2555         New function.
2556         (rs6000_init_builtins): Use it.
2557
2558 2004-05-04  Bernard Giroud  <bgiroud2@free.fr>
2559
2560         * gcc/gcc/vmsdbgout.c (vms_func_node, vms_func_ref): New.
2561         (func_table): Change type from char ** to vms_func_ref.
2562         (write_rtnbeg):  Update to reflect func_table change.  Use
2563         fde->funcdef_number instead of rtnnum in output.
2564         (write_rtnend, vmxdbgout_begin_function, vmsdbgout_init): Likewise.
2565
2566 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
2567             Richard Henderson  <rth@redhat.com>
2568
2569         PR target/14899
2570
2571         * c-common.c (vector_types_convertible_p): New function.
2572         * c-typeck.c (comptypes): Recurse on vector types.
2573         (convert_for_assignment): Use vector_types_convertible_p.
2574         (digest_init): Use vector_types_convertible_p to check
2575         validness of constant vector initializers; otherwise treat
2576         them as scalars.
2577         * tree.c (make_or_reuse_type): New.
2578         (build_common_tree_nodes): Use it.
2579         * cp/call.c (standard_conversion): Likewise.
2580         * cp/typeck.c (comptypes): Recurse on vector types.
2581         (convert_for_assignment): Use vector_types_convertible_p.
2582
2583 2004-05-04  Chris Demetriou  <cgd@broadcom.com>
2584
2585         * config/mips/mips.c (override_options): Default to no
2586         generation of branch-likely operations when tuning for
2587         CPUs where they tend to have a negative performance impact
2588         (e.g., SB-1).
2589
2590 2004-05-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2591
2592         * expr.c (store_constructor_field): Don't call store_constructor
2593         if bitsize is not a multiple of a byte.
2594
2595 2004-05-04  Richard Sandiford  <rsandifo@redhat.com>
2596
2597         * reload1.c (inherit_piecemeal_p): New function.
2598         (emit_reload_insns): When reloading a group of hard registers, use
2599         inherit_piecemeal_p to decide whether the values of individual hard
2600         registers can be inherited.
2601
2602 2004-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2603
2604         * config/ia64/t-ia64 (LIB2ADDEH): Remove gthr-gnat.c.
2605         * config/s390/t-tpf (LIB2ADDEHDEP): Likewise.
2606         * config/t-linux (LIB2ADDEHDEP): Likewise.
2607
2608 2004-05-04  Paul Brook  <paul@codesourcery.com>
2609
2610         * config/arm/crti.asm: Push an even number of registers.
2611         * config/arm/crtn.asm: And restore them.  Load via sp.
2612
2613 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
2614
2615         * ggc-zone.c (ggc_alloc_zone_1): Add MEM_STAT_DECL parameter.
2616         Collect overhead information.
2617         (ggc_alloc_stat): New name of ggc_alloc.  Add MEM_STAT_DECL
2618         parameter and pass it through.
2619         (ggc_alloc_typed_stat): New name of ggc_alloc_typed.  Add
2620         MEM_STAT_DECL parameter and pass it through.
2621         (ggc_alloc_zone_stat): New name of ggc_alloc_zone.  Add
2622         MEM_STAT_DECL parameter and pass it through.
2623
2624 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
2625
2626         * config/rs6000/rs6000-protos.h: Protoize rs6000_hard_regno_nregs.
2627
2628         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): New.
2629
2630         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Call
2631         rs6000_hard_regno_nregs.
2632
2633 2004-05-03  Eric Christopher  <echristo@redhat.com>
2634
2635         * config/s390/s390.c (s390_emit_prologue): Call unspec tpf
2636         prologue insn instead of setting up call.
2637         (s390_emit_epilogue): Ditto.
2638         * config/s390/s390.md (prologue_tpf, epilogue_tpf): New patterns.
2639         (define_constants): Add numbers for above patterns.
2640
2641 2004-05-03  Eric Christopher  <echristo@redhat.com>
2642
2643         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
2644         * config/s390/s390.c (s390_conditional_register_usage): ...here.
2645         * config/s390/s390-protos.h: Prototype.
2646
2647 2004-05-03  Joe Buck <jbuck@welsh-buck.org>
2648
2649         * cppfiles.c (pchf_adder): Eliminate use of |= in d->have_once_only
2650         assignment.
2651
2652 2004-05-03  Eric Christopher  <echristo@redhat.com>
2653
2654         * config/mips/mips.md: Fix branch length attribute definition.
2655
2656 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
2657
2658         * config.gcc: Remove --enable-altivec support.
2659
2660         * config/rs6000/altivec-defs.h: Remove.
2661
2662 2004-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2663
2664         * fixinc/inclhack.def (svr4_profil): Don't apply on IRIX 5/6.
2665         * fixinc/fixincl.x: Regenerate.
2666
2667 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
2668
2669         * config/i386/i386.md (*fyl2x_sfxf3, *fyl2x_dfxf3): Remove insn
2670         definition.
2671         (log?f2, log10?f2, log2?f2): Reimplement expanders with
2672         float_truncate insn.
2673         (*fxtractsf3, *fxtractdf3): Remove insn definition.
2674         (logb?f2): Reimplement expanders with float_truncate insn.
2675
2676 2004-05-03  Graham Stott  <graham.stott@btinternet.com>
2677
2678         PR 14718
2679         * dwarf2out.c (dwarf2out_imported_module_or_decl): Use
2680         force_type_die for CONST_DECL.
2681
2682 2004-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2683             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2684
2685         * config.gcc (sparc64-*-solaris2*, sparcv9-*-solaris2*): Add
2686         tm-dwarf2.h to tm_file.
2687         (sparc-*-solaris2*): Add tm-dwarf2.h to tm_file for Solaris 7+.
2688         * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Delete.
2689         (ASM_DEBUG_SPEC): Delete.
2690
2691 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
2692
2693         * optabs.h (enum optab_index): Add new OTI_expm1.
2694         (expm1_optab): Define corresponding macro.
2695         * optabs.c (init_optabs): Initialize expm1_optab.
2696         * genopinit.c (optabs): Implement expm1_optab using expm1?f2
2697         patterns.
2698         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXPM1{,F,L}
2699         using expm1_optab.
2700         (expand_builtin): Expand BUILT_IN_EXPM1{,F,L} using
2701         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2702
2703         * config/i386/i386.md (expm1df2, expm1sf2, expm1xf2): New expanders
2704         to implement expm1, expm1f and expm1l built-ins as inline x87
2705         intrinsics.
2706
2707 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
2708
2709         2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
2710         * config/frv/frv.md (*return_true, *return_false): New patterns.
2711
2712 2004-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2713
2714         * rtl.h (PHI_NODE_P): Remove.
2715
2716 2004-05-02  Eric Botcazou  <ebotcazou@act-europe.fr>
2717
2718         PR middle-end/14988
2719         * function.c (assign_stack_local_1): Use BITS_PER_UNIT alignment
2720         when passed -2 as 'align'.
2721         (put_var_into_stack): Use 'bool' as the type for the three local
2722         predicates.  Adjust calls to put_reg_into_stack.
2723         When passed a CONCAT, instruct put_reg_into_stack to use
2724         a consecutive stack slot for the second part.
2725         (put_reg_into_stack): Remove 'promoted_mode' parameter, add
2726         'consecutive_p' parameter.  Turn the three predicates into 'bool'
2727         parameters.  Retrieve the register mode from 'reg'.
2728         When consecutive_p is true, instruct assign_stack_local_1 to use
2729         BITS_PER_UNIT alignment.
2730         (put_addressof_into_stack): Use 'bool' as the type for the two
2731         local predicates. Adjust call to put_reg_into_stack.
2732
2733 2004-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2734
2735         * fold-const.c (fold_convert_const, fold): Add missing
2736         FIX_ROUND_EXPR case.
2737
2738 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
2739
2740         * configure.ac (FLEX, BISON): Only use tools from the build tree
2741         if build equals host.
2742         * configure: Rebuilt.
2743
2744         * config/frv/frv-protos.h (frv_expand_epilogue,
2745         frv_expand_fdpic_call): Add bool argument.
2746         * config/frv/frv.c (frv_function_ok_for_sibcall): New.
2747         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to it.
2748         (frv_expand_epilogue): Use new argument to decide whether to emit
2749         return instruction or copy the return address to LR.
2750         (frv_expand_fdpic_call): Inline PLT entry when emitting direct
2751         sibcalls.
2752         (sibcall_operand): New.
2753         * config/frv/frv.h (PREDICATE_CODES): call_operand doesn't match
2754         PLUS nor LABEL_REF.  Add sibcall_operand.
2755         * config/frv/frv.md (call, call_value): Pass false to
2756         frv_expand_fdpic_call.
2757         (call_fdpicdi, call_value_fdpicdi): Insert %i0 in calll.
2758         (sibcall, sibcall_internal, sibcall_fdpicdi, sibcall_value,
2759         sibcall_value_internal, sibcall_value_fdpicdi): New.
2760         (return_unsigned_true, return_unsigned_false): New.
2761         (epilogue): Adjust call to frv_expand_epilogue.
2762         (sibcall_epilogue): New.
2763
2764         * config/frv/frv.h (ASM_SPEC): Pass -mno-fdpic as -mnopic.
2765         (CPP_SPEC, CPP_SIMPLE_SPEC): Undefine __FRV_ACC__ and __FRV_FPR__
2766         before redefining them.
2767
2768 2004-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2769
2770         * builtins.c (fold_fixed_mathfn): New function.
2771         (fold_builtin_lround, fold_builtin): Use it.
2772
2773 2004-05-01  Jakub Jelinek  <jakub@redhat.com>
2774
2775         * config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default
2776         also for TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3.
2777
2778 2004-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2779
2780         * config/cris/cris.h: Revert my "fix comment typos" patch.
2781
2782 2004-05-01  Richard Sandiford  <rsandifo@redhat.com>
2783
2784         * config/mips/mips.h (TUNE_MACC_CHAINS): Fix comment.
2785
2786 2004-05-01  Falk Hueffner  <falk@debian.org>
2787
2788         * config/alpha/alpha.md (builtin_insbl, builtin_inswl,
2789         builtin_insll): Disallow 0 as first input operand.
2790
2791 2004-05-01  Falk Hueffner  <falk@debian.org>
2792
2793         * config/alpha/alpha.c (alpha_rtx_costs): Fix shiftadd costs.
2794
2795 2004-05-01  Ulrich Weigand  <uweigand@de.ibm.com>
2796
2797         PR middle-end/15054
2798         * expr.c (expand_expr_real): Do not call preserve_temp_slots
2799         on a TARGET_EXPR temp.
2800         * function.c (assign_stack_temp_for_type): Set 'keep' flag for
2801         TARGET_EXPR temp slots.
2802
2803 2004-05-01  Paolo Bonzini  <bonzini@gnu.org>
2804
2805         * simplify-rtx.c (simplify_ternary_operation): When
2806         converting an IF_THEN_ELSE to a relational op, return
2807         correct mode.
2808
2809 2004-04-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2810
2811         * builtins.c (fold_builtin_round): Fix comment typo.
2812         (fold_builtin_lround): New function.
2813         (fold_builtin): Use it.
2814
2815 2004-04-20  Andrew Pinski  <pinskia@physics.uc.edu>
2816
2817         PR target/11608
2818         * config/sh/elf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Update and make it
2819         more like the one in config/dbxelf.h.
2820
2821 2004-04-30  Zack Weinberg  <zack@codesourcery.com>
2822
2823         * tree.h (SET_ARRAY_OR_VECTOR_CHECK): Rename to SET_OR_ARRAY_CHECK
2824         and adjust definition accordingly.
2825         (TYPE_DOMAIN): Allow only SET_TYPE and ARRAY_TYPE.
2826         (TYPE_DEBUG_REPRESENTATION_TYPE): Allow only VECTOR_TYPE.
2827         * expr.c (store_constructor): Do not access TYPE_DOMAIN of a
2828         VECTOR_TYPE.
2829
2830 2004-04-30  Jason Merrill  <jason@redhat.com>
2831
2832         PR c++/14587
2833         * config/i386/winnt.c (associated_type): Look for attributes on
2834         the TYPE_MAIN_VARIANT of *this.
2835         * attribs.c (decl_attributes): If ATTR_FLAG_TYPE_IN_PLACE, also
2836         apply the attributes to the variants.
2837
2838 2004-04-30  Paul Brook  <paul@codesourcery.com>
2839
2840         * config.gcc: Simplify arm --with-{cpu,tune} test.
2841         * config/arm/arm-cores.def: Document whitespace restrictions.
2842
2843 2004-04-30  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2844
2845         PR other/1963
2846         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Define.
2847
2848 2004-04-30  Brian Ford  <ford@vss.fsi.com>
2849             DJ Delorie  <dj@redhat.com>
2850
2851         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
2852         (DWARF2_DEBUGGING_INFO): Define to enable.
2853         (DBX_REGISTER_NUMBER): Define to use the svr4 register map for
2854         DWARF2.
2855         * configure.ac (Target-specific assembler checks)
2856         <i[34567]86-*-[cygwin*|pe|mingw32*]>: New test for .secrel32
2857         relocs.
2858         * configure: Regenerate.
2859         * config.in: Likewise.
2860
2861         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
2862         (ASM_OUPUT_DWARF_OFFSET): Define.
2863
2864 2004-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2865
2866         * config/s390/s390-protos.h (s390_emit_epilogue): Parameter added.
2867         (s390_emit_call): New function prototype added.
2868         (s390_tls_get_offset): Function removed.
2869         * config/s390/s390.c (s390_function_ok_for_sibcall,
2870         s390_call_saved_register_used_p): New functions.
2871         (TARGET_FUNCTION_OK_FOR_SIBCALL): Definition of target macro added.
2872         (s390_tls_get_offset): Function merged into s390_emit_tls_call_insn.
2873         (s390_emit_tls_call_insn): New function.
2874         (legitimize_tls_address): Call s390_emit_tls_call_insn instead of
2875         emit_call_insn.
2876         (s390_emit_prologue): Use s390_emit_call instead of emit_call_insn.
2877         (s390_emit_epilogue): Like s390_emit_prologue. Parameter for sibcalls
2878         added.
2879         * config/s390/s390.h (SIBCALL_REGNUM): New macro representing the
2880         register number used to hold the target address for sibcalls.
2881         * config/s390/s390.md ("sibcall", "sibcall_value", "sibcall_epilogue"):
2882         New expanders.
2883         ("*sibcall_br", "*sibcall_brc", "*sibcall_brcl", "*sibcall_value_br",
2884         "*sibcall_value_brc", "*sibcall_value_brcl"): New insns.
2885         ("call_exp", "call_value_exp", "call_value_tls", "call_value_tls_exp"):
2886         Expanders removed.
2887         ("call", "call_value"): Call s390_emit_call to emit the call patterns.
2888         ("*bras", "*brasl", "*bras_r", "*brasl_r", "*bras_tls", "*brasl_tls",
2889         "*basr", "*basr_r", "*basr_tls"): Added constraint: !SIBLING_CALL_P.
2890         ("epilogue"): Changed the call to s390_emit_epilogue to use the
2891         new parameter.
2892
2893 2004-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2894
2895         * bb-reorder.c, c-opts.c, cfglayout.c, cgraph.c, cgraphunit.c,
2896         cppfiles.c, fold-const.c, ggc-zone.c, loop-doloop.c, optabs.c,
2897         reg-stack.c, varasm.c, config/alpha/ev4.md,
2898         config/alpha/ev5.md, config/alpha/ev6.md, config/arm/arm.c,
2899         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.c,
2900         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
2901         config/frv/frv.h, config/frv/frv.md, config/h8300/h8300.c,
2902         config/i386/i386.c, config/i386/i386.md, config/i386/winnt.c,
2903         config/ia64/itanium2.md, config/ip2k/ip2k.c,
2904         config/mips/mips.c, config/mips/mips.h, config/mips/sr71k.md,
2905         config/pa/pa.c, config/s390/s390.c, config/sh/sh.c: Fix
2906         comment typos.
2907
2908 2004-04-30  Paul Brook  <paul@codesourcery.com>
2909
2910         * config.gcc: Default ep9312 to hard-float.
2911         * config/arm/arm-cores.def: Add ARCH field.
2912         * config/arm/arm.c (FL_FOR_ARCH*): Define.
2913         (arm_arch_cirrus): New variable.
2914         (all_cores): Set and use arch.
2915         (all_architectures): Ditto.
2916         (arm_arch_name): New variable.
2917         (arm_override_options): Set it. Use [SUB]TARGET_CPU_DEFAULT.
2918         Set and use arm_arch_cirrus.
2919         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set arch defines.
2920         (enum processor_type): Update ARM_CORE define.
2921         (enum target_cpus): Add.  Replaces TARGET_CPU_* defines.
2922         (CPP_SPEC): Remove %(cpp_cpu_arch).
2923         (CPP_ARCH_DEFAULT_SPEC): Remove.
2924         (CPP_CPU_ARCH_SPEC): Remove.
2925         (EXTRA_SPECS): Don't use CPP_*ARCH*_SPEC.
2926         (FPUTYPE_DEFAULT): Don't define here.
2927
2928 2004-04-30  J"orn Rennecke <joern.rennecke@superh.com>
2929
2930         * flow.c (propagate_one_insn): Call mark_set_regs for stack pointer
2931         updates too.
2932
2933 2004-04-30  Paul Brook  <paul@codesourcery.com>
2934
2935         * arm.c (arm_needs_doubleword_align): Use mode alignment.
2936
2937 2004-04-30  Paolo Bonzini  <bonzini@gnu.org>
2938
2939         * config/altivec/altivec.h [__cplusplus] (vec_subsubs): Rename to
2940         vec_sububs.
2941         [__cplusplus] (vec_subsuhs): Rename to vec_subuhs, without
2942         duplicates.
2943
2944 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
2945
2946         * config/i386/i386.md (atansf2, atandf2, atanxf2): Move near
2947         atan2?f3 expanders.
2948
2949 2004-04-29  Nick Clifton  <nickc@redhat.com>
2950
2951         Bug 14093
2952         * config/sh/sh-protos.h (sh_promote_prototypes): Declare.
2953         * config/sh/sh.c (sh_promote_prototypes): Remove declaration.
2954         Delete static from definition.
2955         * config/sh/sh.h (FUNCTION_VALUE): Add sh_promote_prototypes call.
2956
2957 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
2958
2959         * reg-stack.c (subst_stack_regs_pat): <UNSPEC_SIN, UNSPEC_COS,
2960         UNSPEC_FRNDINT, UNSPEC_F2XM1>: abort() if src1 dies.
2961         <UNSPEC_SINCOS_COS, UNSPEC_TAN_ONE, UNSPEC_XTRACT_FRACT>: Same.
2962         <UNSPEC_SINCOS_SIN, UNSPEC_TAN_TAN, UNSPEC_XTRACT_EXP>: Same.
2963
2964 2004-04-29  Richard Guenther  <richard.guenther@uni-tuebingen.de>
2965
2966         * commom.opt (Wfatal-errors): Add it.
2967         * diagnostic.c (flag_fatal_errors): Define it.
2968         (diagnostic_action_after_output): Check for flag_fatal_errors.
2969         * flags.h (flag_fatal_errors): Declare it.
2970         * opts.c (common_handle_option): Add OPT_Wfatal_errors.
2971         * doc/invoke.texi (Warning Options): Document -Wfatal-errors.
2972
2973 2004-04-30  Josef Zlomek  <zlomekj@suse.cz>
2974
2975         * gcse.c (remove_reachable_equiv_notes): Delete notes also in
2976         blocks which have kill flag set.
2977
2978 2004-04-29  Ben Elliston  <bje@au.ibm.com>
2979
2980         * configure.ac (--with-as): Abort if user-supplied assembler
2981         cannot be executed.
2982         (--with-ld): Likewise for the linker.
2983         * configure: Regenerate.
2984
2985 2004-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2986
2987         * convert.c (convert_to_integer): Ensure `long_integer_type_node'
2988         isn't NULL before using it.
2989
2990 2004-04-29  Richard Sandiford  <rsandifo@redhat.com>
2991
2992         PR target/15189
2993         * config/mips/mips.md (load_df_low): Use default length.
2994         (load_df_high, store_df_high): Likewise.
2995
2996 2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>
2997
2998         * config/mips/mips.md, config/mips/sb1.md,
2999         config/rs6000/rs6000.c: Fix comment typos.
3000
3001 2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3002
3003         * builtins.c, cgraph.c, cgraphunit.c, final.c, fold-const.c:
3004         Fix comment typos.
3005
3006 2004-04-29  Douglas B Rupp  <rupp@gnat.com>
3007
3008         * gcc.c (DELETE_IF_ORDINARY): New macro default definition.
3009         (delete_if_ordinary): Use above macro.
3010         * config/alpha/xm-vms.h (DELETE_IF_ORDINARY): New macro VMS definition.
3011         Update copyright.
3012         * doc/hostconfig.texi (DELETE_IF_ORDINARY): Document new macro.
3013
3014 2004-04-29  Richard Earnshaw  <rearnsha@arm.com>
3015
3016         * c-decl.c (get_parm_info): Use the correct tag keywords when
3017         warning about type declarations in prototypes.
3018
3019 2004-04-29  Paul Brook  <paul@codesourcery.com>
3020
3021         * config.gcc: Pull list of cores from arm-cores.def.
3022
3023 2004-04-29  Paolo Bonzini  <bonzini@gnu.org>
3024
3025         * combine.c (combine_simplify_rtx): Adjust call to use
3026         simplify_relational_operation.  Do not use SELECT_CC_MODE
3027         when a comparison already has a MODE_CC mode.
3028
3029 2004-04-29  Paolo Bonzini  <bonzini@gnu.org>
3030
3031         (simplify_set): simplify_relational_operation may now
3032         return another relational expression.
3033         * cse.c (fold_rtx): simplify_relational_operation now
3034         takes of computing the comparison mode.
3035         * dojump.c (compare_from_rtx): Use simplify_relational_operation,
3036         remove dead code.
3037         (do_compare_rtx_and_jump): Likewise.
3038         * integrate.c (subst_constants): simplify_relational_operation
3039         may now return another relational expression.
3040         * simplify-rtx.c (simplify_gen_relational): Move most code to
3041         the new simplify_relational_operation and
3042         simplify_relational_operation_1 functions.
3043         (simplify_relational_operation): Rewritten.
3044         (simplify_relational_operation_1): New function.
3045         (simplify_ternary_operation): simplify_relational_operation
3046         may now return another relational expression.
3047         (simplify_rtx): Remove unnecessary temp variable.
3048
3049 2004-04-29  Uros Bizjak  <uros@kss-loka.si>
3050
3051         * reg-stack.c (swap_to_top): New function.
3052         (subst_stack_regs_pat): UNSPEC_FPATAN, UNSPEC_FYL2X: Use
3053         swap_to_top().
3054         (subst_stack_regs_pat): UNSPEC_FSCALE: Remove.
3055         (subst_stack_regs_pat): Handle UNSPEC_FSCALE_FRACT and
3056         UNSPEC_FSCALE_EXP.
3057
3058         * config/i386/i386.md (UNSPEC_FSCALE): Remove.
3059         (*fscale_sfxf3, *fscale_dfxf3, *fscale_xf3): Remove insn pattern.
3060         (UNSPEC_FSCALE_FRACT, UNSPEC_FSCALE_EXP): New unspecs to represent
3061         x87's fscale insn.
3062         (*fscalexf4: Define new insn pattern to implement x87 fscale insn.
3063         (exp?f2, exp10?f2, exp2?f2): Use *fscalexf4 and float_truncate
3064         patterns.
3065
3066 2004-04-28  Serge Belyshev  <1319@bot.ru>
3067
3068         PR 14944
3069         * coverage.c (read_counts_file): Fix usage of warning () call.
3070         * pretty-print.c (pp_base_format_text): Fix typo in the comment.
3071
3072 2004-04-28  Ben Elliston  <bje@au.ibm.com>
3073
3074         * doc/invoke.texi (Objective-C Dialect Options): Don't prefix
3075         options with "-" in the option index.
3076         (SPARC Options): Likewise.
3077         (M32R/D Options): Likewise.
3078
3079 2004-04-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3080
3081         * convert.c (convert_to_integer): Convert (long)round -> lround,
3082         etc.
3083
3084 2004-04-28  Andrew Pinski  <pinskia@physics.uc.edu>
3085
3086         * config/rs6000/rs6000.c (registers_ok_for_quad_peep):
3087         Return false if we do not have fp register.
3088         (addrs_ok_for_quad_peep): Rename to ...
3089         (mems_ok_for_quad_peep): this.
3090         Add check for volatile memory.
3091         * config/rs6000/rs6000-protos.h (addrs_ok_for_quad_peep):
3092         Rename to ...
3093         (mems_ok_for_quad_peep): this.
3094         * config/rs6000/rs6000.md: Change peephole's for lfq/stq
3095         to peephole2's.
3096         (lfq_power2): New instruction.
3097         (stfq_power2): Likewise.
3098
3099 2004-04-28  Jan Hubicka  <jh@suse.cz>
3100
3101         PR c/15004
3102         * function.c (do_warn_unused_parameter): Break out form ...
3103         (expand_function_end): ... here; warn only when not using cgraphunit.
3104         * function.h (do_warn_unused_parameter): Declare.
3105         * cgraphunit.c: Include function.h.
3106         (cgraph_finalize_function): Do unused parameter warning.
3107         * Makefile.in (cgraphunit.o): Depend on function.h
3108
3109 2004-04-28  Joseph S. Myers  <jsm@polyomino.org.uk>
3110
3111         * Makefile.in ($(DESTDIR)$(infodir)/%.info): Don't condition
3112         calling install-info on $(DESTDIR)$(infodir)/dir already being
3113         present.
3114
3115 2004-04-28  Paul Brook  <paul@codesourcery.com>
3116
3117         * dwarf2out.c (mem_loc_descriptor): Handle shifts.
3118
3119 2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>
3120
3121         * gcse.c (find_moveable_store): Do not accept store insns with
3122         REG_EH_REGION note.
3123
3124 2004-04-28  Paul Brook  <paul@codesourcery.com>
3125
3126         * calls.c (precompute_arguments): Remove PROMOTE_FOR_CALL_ONLY.
3127         * function.c (assign_temp): Ditto.
3128         * system.h (PROMOTE_FOR_CALL_ONLY): Poison.
3129
3130 2004-04-28  Paul Brook  <paul@codesourcery.com>
3131
3132         * config/arm/lib1funcs.asm: Recognize armv5tej and armv6.
3133
3134 2004-04-28  Josef Zlomek  <zlomekj@suse.cz>
3135
3136         * var-tracking.c (variable_different_p): Add a parameter
3137         compare_current_location, compare current location of variable parts
3138         if it is true.
3139         (dataflow_set_different_1): Pass compare_current_location == false.
3140         (dataflow_set_different_2): Pass compare_current_location == false.
3141         (emit_notes_for_differences_1): Pass compare_current_location == true.
3142
3143 2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>
3144
3145         * config/s390/s390.md ("casesi"): Mark jump table access as
3146         non-trapping and unchanging.
3147
3148 2004-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3149
3150         PR debug/14829
3151         * dwarf2out.c (reg_number): Rename to dbx_reg_number.  Adjust all
3152         callers.
3153         (multiple_reg_loc_descriptor, reg_loc_descriptor): Use gcc register
3154         number for indexing hard_regno_nregs array.
3155
3156 2004-04-27  Geoffrey Keating  <geoffk@apple.com>
3157
3158         * config/darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.
3159         * config/darwin-crt2.c: Only have contents on __ppc__.
3160
3161 2004-04-27  Bob Wilson  <bob.wilson@acm.org>
3162
3163         * config/xtensa/xtensa.c (call_insn_operand): Check
3164         SYMBOL_REF_EXTERNAL_P in addition to SYMBOL_REF_LOCAL_P.
3165         * config/xtensa/xtensa.h (LEGITIMATE_PIC_OPERAND): Likewise.
3166         * config/xtensa/xtensa.md (call, call_value): Likewise.
3167
3168 2004-04-27  Wu Yongwei  <adah@sh163.net>
3169
3170         * gthr-win32.h (__gthread_mutex_t): Change typedef to new structure.
3171         (__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
3172         (__gthread_mutex_init_function): Replace CreateMutex with
3173         initialization of custom mutex using CreateSemaphore.
3174         (__gthread_mutex_lock): Use InterlockedIncrement.
3175         (__gthread_mutex_trylock): Use InterlockedCompareExchange.
3176         (__gthread_mutex_unlock): Use InterlockedDecrement and
3177         ReleaseSemaphore to unlock
3178         * config/i386/gthr-win32.c (__gthread_mutex_init_function,
3179         __gthread_mutex_lock, __gthread_mutex_trylock,
3180         __gthread_mutex_unlock): Adjust to match inline versions in
3181         gthr-win32.h.
3182
3183 2004-04-27  Paul Brook  <paul@codesourcery.com>
3184
3185         * config/arm/arm.c (arm_promote_prototypes): New function.
3186         (TARGET_PROMOTE_PROTOTYPES): Use it.
3187
3188 2004-04-27  Paul Brook  <paul@codesourcery.com>
3189
3190         * config/arm/arm.c (arm_expand_epilogue): Count blocks of 4 regs.
3191
3192 2004-04-26  Bernard Giroud  <bgiroud@free.fr>
3193
3194         * config/alpha.c (alpha_end_function): For OpenVMS gas,
3195         correctly output .pdesc directive before .end.
3196
3197 2004-04-26  James E Wilson  <wilson@specifixinc.com>
3198
3199         Bug 14927
3200         * config/ia64/ia64.md (movxf): New local op0.  Handle case where
3201         operands[0] is a SUBREG.  Handle case where operands[1] is a GR reg.
3202
3203 2004-04-26  Zack Weinberg  <zack@codesourcery.com>
3204
3205         * config/ia64/hpux.h: Predefine __STDCPP__ when compiling C++.
3206         * config/pa/pa-hpux10.h: Likewise.
3207         * config/pa/pa-hpux11.h: Likewise.
3208
3209 2004-04-26  Geoffrey Keating  <geoffk@apple.com>
3210
3211         * doc/invoke.texi (Overall Options): Document default for -o
3212         for PCH files.
3213
3214 2004-04-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3215
3216         * builtins.c (expand_builtin_update_setjmp_buf): New function.
3217         (expand_builtin, case BUILT_IN_UPDATE_SETJMP_BUF): New case.
3218         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): New code.
3219
3220 2004-04-26  Paul Brook  <paul@codesourcery.com>
3221
3222         * config/arm/arm.c (arm_legitimate_index_p): Correct iwmmxt offsets.
3223
3224 2004-04-26  Paul Brook  <paul@codesourcery.com>
3225
3226         * config/arm/arm.c (arm_legitimate_index_p): Correct maverick offsets.
3227
3228 2004-04-25  Roger Sayle  <roger@eyesopen.com>
3229
3230         * fold-const.c (fold): Prefer fold_convert (negate_expr (...)) to
3231         fold (build1 (NEGATE_EXPR, ...)).  Optimize X / -1 as -X and
3232         X % -1 as 0.
3233
3234 2004-04-26  Hans-Peter Nilsson  <hp@bitrange.com>
3235
3236         PR bootstrap/15141
3237         * except.c (connect_post_landing_pads): Delete insns after the
3238         barrier when generating a unwind_resume_libfunc call.
3239
3240 2004-04-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3241
3242         PR/c++ 15119
3243         * tree.c (substitute_placeholder_in_expr, case 4): New case,
3244         for TARGET_EXPR.
3245
3246 2004-04-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3247
3248         * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3249         __gcov_execv, __gcov_execvp, __gcov_execve): Do not declare when
3250         inhibit_libc is defined.
3251
3252 2004-04-25  Richard Sandiford  <rsandifo@redhat.com>
3253
3254         * config/mips/mips-protos.h (mips_linked_macc_p): Declare.
3255         * config/mips/mips.h (TUNE_MACC_CHAINS): New macro.
3256         * config/mips/mips.c (TARGET_SCHED_REORDER): Define.
3257         (TARGET_SCHED_VARIABLE_ISSUE): Define.
3258         (mips_adjust_cost): Move later in file, next to other sched hooks.
3259         (mips_macc_chains_last_hilo): New variable.
3260         (mips_linked_madd_p, mips_macc_chains_record, mips_macc_chains_reorder)
3261         (mips_promote_ready, mips_sched_reorder, mips_variable_issue): New.
3262         * config/mips/mips.md (may_clobber_hilo): New attribute.
3263
3264 2004-04-24  Roger Sayle  <roger@eyesopen.com>
3265             Bruce Korb  <bkorb@gnu.org>
3266
3267         * fixinc/inclhack.def (aix_syswait_2): New fix.
3268         * fixinc/fixincl.x: Regenerate.
3269         * fixinc/tests/base/sys/wait.h: Update for new test.
3270
3271 2004-04-24  Alan Modra  <amodra@bigpond.net.au>
3272
3273         PR target/14960
3274         * config/rs6000/rs6000.c (rs6000_stack_info): Rename total_raw_size
3275         to non_fixed_size, and leave out fixed_size from the sum.
3276         (generate_set_vrsave): Correct clobbers.
3277         (rs6000_emit_epilogue): Test TARGET_ALTIVEC with TARGET_ALTIVEC_SAVE.
3278         (rs6000_function_value): Test TARGET_ALTIVEC and TARGET_ALTIVEC_ABI.
3279         (rs6000_libcall_value): Likewise.
3280         * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Likewise.
3281         (FUNCTION_ARG_REGNO_P): Likewise.
3282
3283 2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>
3284
3285         * expmed.c (expand_mult_highpart_adjust): Do not assume OP1
3286         is a CONST_INT.
3287         (expand_mult_highpart_optab): Call expand_mult_highpart_adjust
3288         with NARROW_OP1 instead of OP1.
3289
3290 2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>
3291
3292         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __s390__
3293         and __s390x__ hosts.
3294
3295 2004-03-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3296
3297         * Makefile.in (LIBGCOV): Add _gcov_fork, _gcov_execl, _gcov_execlp,
3298         _gcov_execle, _gcov_execv, _gcov_execvp, _gcov_execve.
3299         * builtin-types.def (BT_PID, BT_PTR_CONST_STRING, BT_FN_PID,
3300         BT_FN_INT_CONST_STRING_PTR_CONST_STRING,
3301         BT_FN_INT_CONST_STRING_PTR_CONST_STRING_PTR_CONST_STRING): New.
3302         * builtins.c (expand_builtin_fork_or_exec): New.
3303         (expand_builtin): Call it.
3304         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP,BUILT_IN_EXECLE,
3305         BUILT_IN_EXECV, BUILT_IN_EXECVP, BUILT_IN_EXECVE, BUILT_IN_FORK): New.
3306         * c-common.c (PID_TYPE): New macro.
3307         (c_common_nodes_and_builtins): Initialize pid_type_node.
3308         * calls.c (special_function_p): Do not handle fork and exec.
3309         (expand_call): Do not handle ECF_FORK_OR_EXEC.
3310         * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3311         __gcov_execv, __gcov_execvp, __gcov_execve): Declare.
3312         * libgcov.c (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3313         __gcov_execv, __gcov_execvp, __gcov_execve): New.
3314         * tree.h (enum tree_index): Add TI_PID_TYPE.
3315         (pid_type_node): New macro.
3316         (ECF_FORK_OR_EXEC): Removed.
3317
3318 2004-04-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
3319
3320         PR optimization/13985
3321         * cfgloopmanip.c (fix_loop_placements): New prototype.
3322         Call fix_bb_placements on the preheader of loops that have
3323         been reparented.
3324         (remove_path): Adjust call to fix_loop_placements.
3325
3326 2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>
3327
3328         * config/darwin7.h: New file.
3329         * config.gcc (*-*-darwin*): Add darwin7.h if the
3330         version is greater than 6.
3331         * config/darwin.h (TARGET_C99_FUNCTIONS): Define.
3332         (MATH_LIBRARY): Wrap in ifdefs.
3333
3334 2004-04-23  Daniel Jacobowitz  <drow@mvista.com>
3335
3336         * config/arm/arm.c (arm_output_epilogue): Reverse the order of
3337         loading iWMMXt registers with a frame pointer.  Use post-increment
3338         without a frame pointer.
3339         (arm_expand_prologue): Reverse the order of saving iWMMXt registers.
3340
3341 2004-04-23  Paolo Bonzini  <bonzini@gnu.org>
3342
3343         * doc/invoke.texi (Optimize Options): Refer to "unit-at-a-time
3344         mode" rather than "-funit-at-a-time" since -O2 enables it
3345         without requiring -f* options.  Refer to -fprofile-generate and
3346         -fprofile-use correctly.  Move -funit-at-a-time among options
3347         enabled by -O.  Add information about unit-at-a-time caveats.
3348
3349 2004-04-22  Per Bothner  <per@bothner.com>
3350
3351         * line-map.h (struct line_maps):  New field highest_line.
3352         (linemap_position_for_column):  Make non-inline function.
3353         (LINEMAP_POSITION_FOR_COLUMN):  New macro.
3354         * line-map.c (linemap_init):  Clear highest_line field.
3355         (linemap_add):  Set highest_line field.
3356         (linemap_line_start):  Minor optimization - use highest_line field.
3357         Reduce maximum column hint to 10000.  Update highest_line field.
3358         (linemap_position_for_column):  Moved from line-map.h.  Optimize a bit.
3359         * cpphash.h (struct cpp_reader):  Remove line field - instead use
3360         line_table->highest_line.
3361         (saved_line):  Remove unused field.
3362         (CPP_INCREMENT_FILE):  Don't do linemap_lookup - just use newest map.
3363         Use  line_table's highest_line field instead of cpp_reader's line.
3364         * cpplib.c (start_directive):  Likewise use highest_line field.
3365         (do_line, do_linemarker):  Likewise just use newest map.
3366         (_cpp_do_file_change):  Don't need to set cpp_reader's line field.
3367         * cpperror.c (cpp_error):  Likewise use highest_line field.
3368         * cppfiles.c (open_file_failed:  Likewise.
3369         (cpp_make_system_header):  Likewise use newest map and highest_line.
3370         * cppinit.c (cpp_create_reader):  Don't initialize removed field.
3371         * cpplex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
3372         skip_line_comment, skip_whitespace, _cpp_get_fresh_line,
3373         _cpp_lex_direct):  Likewise use highest_line.
3374         (_cpp_lex_direct):  Use new LINEMAP_POSITION_FOR_COLUMN macro.
3375         * cppmacro.c (_cpp_builtin_macro_text):  Likewise use highest_line,
3376         and use newest map.
3377         * cpppch.c (cpp_read_state):  Don't save+restore cpp_reader's line.
3378         * cpptrad.c (_cpp_overlay_buffer):  Don't save cpp_reader's line.
3379         (copy_comment, _cpp_scan_out_logical_line):  Likewise use highest_line.
3380
3381 2004-04-23  Alan Modra  <amodra@bigpond.net.au>
3382
3383         PR bootstrap/14992
3384         * gcc.c (init_gcc_specs): Test USE_LD_AS_NEEDED, not HAVE_LD_AS_NEEDED.
3385         * config/linux.h (USE_LD_AS_NEEDED): Define.
3386         * gcc/config/alpha/linux.h (USE_LD_AS_NEEDED): Define.
3387         * gcc/config/arm/linux-elf.h (USE_LD_AS_NEEDED): Define.
3388         * gcc/config/rs6000/linux.h (USE_LD_AS_NEEDED): Define.
3389         * gcc/config/rs6000/linux64.h (USE_LD_AS_NEEDED): Define.
3390         * gcc/config/sh/linux.h (USE_LD_AS_NEEDED): Define.
3391         * gcc/config/sparc/linux.h (USE_LD_AS_NEEDED): Define.
3392         * gcc/config/sparc/linux64.h (USE_LD_AS_NEEDED): Define.
3393
3394 2004-04-22  Per Bothner  <per@bothner.com>
3395
3396         * cppinit.c (cpp_read_main_file):  Return NULL rather than false.
3397         Fixes PR preprocessor/15067.
3398
3399 2004-04-23  Andreas Schwab  <schwab@suse.de>
3400
3401         * config/ia64/ia64intrin.h: Add intermediate cast to void * to
3402         avoid aliasing warning.
3403
3404 2004-04-22  Jan Hubicka  <jh@suse.cz>
3405             Mostafa Hagog <mustafa@il.ibm.com>
3406
3407       * cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macro
3408       * cfgloopanal.c (expected_loop_iterations): Change the return value
3409
3410 2004-04-22  Jakub Jelinek  <jakub@redhat.com>
3411
3412         * cselib.h (struct elt_loc_list): Remove canon_loc field.
3413         * cselib.c (new_elt_loc_list): Remove canon_loc initialization.
3414         (cselib_invalidate_mem): Remove all canon_loc and canon_x
3415         traces.
3416
3417 2004-04-22  Josef Zlomek  <zlomekj@suse.cz>
3418
3419         Revert
3420         2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3421
3422                 * var-tracking.c (variable_part_different_p): Variable parts
3423                 differ when the most recent locations differ.
3424
3425 2004-04-22  Richard Sandiford  <rsandifo@redhat.com>
3426
3427         * doc/invoke.texi: Remove the MIPS -membedded-pic option.
3428         * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): Delete.
3429         (embedded_pic_offset): Delete.
3430         * config/mips/mips.h (MASK_EMBEDDED_PIC): Delete.  Shuffle other
3431         MASK_* constants.
3432         (TARGET_EMBEDDED_PIC): Delete.
3433         (TARGET_SWITCHES): Remove -m{no-,}embedded-pic.
3434         (ASM_SPEC): Remove -membedded-pic.
3435         (ASM_OUTPUT_ADDR_DIFF_ELT): Remove embedded-pic handling.
3436         (ASM_OUTPUT_CASE_LABEL): Likewise.
3437         * config/mips/vxworks.h (ASM_SPEC): Remove -membedded-pic.
3438         * config/mips/windiss.h (ASM_SPEC): Likewise.
3439         * config/mips/mips.c (struct machine_function): Remove
3440         embedded_pic_fnaddr_rtx.
3441         (TARGET_ENCODE_SECTION_INFO): Remove override.
3442         (embedded_pic_fnaddr_reg, embedded_pic_offset): Delete.
3443         (override_options): Remove -membedded-pic handling.
3444         (print_operand): Remove handling of '%S'.
3445         (mips_select_section: Remove -membedded-pic handling.
3446         (mips_encode_section_info): Delete.
3447         (mips_output_conditional_branch): Remove mention of -membedded-pic.
3448         * config/mips/mips.md (define_attr length, movsi, movdi, jump): Remove
3449         -membedded-pic handling.
3450         (casesi, casesi_internal, casesi_internal_di, get_fnaddr): Delete.
3451
3452 2004-04-22  Alan Modra  <amodra@bigpond.net.au>
3453
3454         * var-tracking.c (frame_base_decl): Remove useless GTY.
3455
3456 2004-04-21  Aldy Hernandez  <aldyh@redhat.com>
3457
3458         * config/rs6000/rs6000.c (rs6000_override_options): Error when
3459         user wants altivec and e500 instructions.
3460
3461 2004-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3462
3463         PR target/14813
3464         * config/ia64/crtend.asm: Move pointer to __do_global_ctors_aux
3465         in .init_array section to ...
3466         * config/ia64/crtbegin.asm: Here.
3467
3468         * config/ia64/crtend.asm: Mark __do_global_ctors_aux global
3469         and hidden if HAVE_INITFINI_ARRAY is defined.
3470
3471 2004-04-21  James E Wilson  <wilson@specifixinc.com>
3472
3473         * config/mips/mips-protos.h (fp_register_operand, lo_operand): Declare.
3474         * config/mips/mips.c (mips_multipass_dfa_lookahead): Declare.
3475         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): New.
3476         (fp_register_operand, lo_operand): New.
3477         (mips_rtx_costs): Add TUNE_SB1 support.
3478         (mips_issue_rate): Add comment.  Add PROCESSOR_SB1 support.
3479         (mips_use_dfa_pipeline_interface): Add PROCESSOR_SB1 support.
3480         (mips_multipass_dfa_lookahead): New.
3481         * config/mips/mips.h (MASK_FP_EXCEPTIONS, TARGET_FP_EXCEPTIONS,
3482         TUNE_SB1): New.
3483         (TARGET_SWITCHES): Add -mfp-exceptions support.
3484         (TARGET_FP_EXCEPTIONS_DEFAULT): New.
3485         (BRANCH_COST): Fix whitespace.
3486         * config/mips/mips.md: Include sb1.md.
3487         * config/mips/sb1.md: New file.
3488         * doc/invoke.texi: Document -mfp-exceptions.
3489
3490         * Makefile.in (fixinc.sh): Don't set or export WARN_CFLAGS.  Fix
3491         comment.
3492         * fixinc/Makefile.in (FL_LIST): Don't mention WARN_CFLAGS.
3493         (fixincl.o-warn): Delete.
3494
3495 2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>
3496
3497         * config/rs6000/rs6000 (print_operand) ['z']:
3498         Change ifdef of TARGET_MACHO to if TARGET_MACHO.
3499
3500 2004-04-21 Daniel Jacobowitz  <drow@mvista.com>
3501
3502         * config.gcc: Support --with-arch=iwmmxt for ARM.
3503
3504 2004-04-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3505
3506         * expmed.c (expand_mult_highpart_optab): Use narrower version of OP1
3507         in two more places; remove unneeded force_reg
3508
3509 2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>
3510
3511         * config/rs6000/rs6000.c (symbol_ref_operand): Remove hack
3512         for TARGET_MACHO.
3513         (print_operand): For TARGET_MACHO check to see if we need a stub
3514         and output one if we need it.
3515
3516         PR debug/15033
3517         * dwarf2out.c (rtl_for_decl_location): Check for NULL
3518         rtl.
3519
3520 2004-04-20  James E Wilson  <wilson@specifixinc.com>
3521
3522         * config/ia64/ia64.md (call_value_nogp): Add constraints for op0.
3523         (vall_value_gp): Likewise.
3524
3525 2004-04-20  DJ Delorie  <dj@redhat.com>
3526
3527         * dwarf2out.c (rtl_for_decl_location): Adjust rtl for byte
3528         variables stored in word registers, then in memory.
3529
3530 2004-04-20  Eric Christopher  <echristo@redhat.com>
3531
3532         * cp/parser.c (cp_parser_declaration): Move translate
3533         up before tokens are lexed.
3534
3535 2004-04-20  Uros Bizjak  <uros@kss-loka.si>
3536
3537         * optabs.h (enum optab_index): Add new OTI_asin and OTI_acos.
3538         (asin_optab, acos_optab): Define corresponding macros.
3539         * optabs.c (init_optabs): Initialize asin_optab and acos_optab.
3540         * genopinit.c (optabs): Implement asin_optab and acos_optab
3541         using asin?f2 and acos?f2 patterns.
3542         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_ASIN{,F,L}
3543         using asin_optab, and BUILT_IN_ACOS{,F,L} using acos_optab.
3544         (expand_builtin): Expand BUILT_IN_ASIN{,F,L} and BUILT_IN_ACOS{,F,L}
3545         using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3546
3547         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3548         acossf2, acosxf2): New expanders to implement asin, asinf, asinl,
3549         acos, acosf and acosl built-ins as inline x87 intrinsics.
3550
3551 2004-04-20  Paul Brook  <paul@codesourcery.com>
3552
3553         * config/arm/arm.c (arm_legitimate_address_p): Use rtx_equal_p.
3554
3555 2004-04-20  Paul Brook  <paul@codesourcery.com>
3556
3557         * config/arm/arm.c (arm_expand_prologue): Fix size calculation.
3558
3559 2004-04-20  Paolo Bonzini  <bonzini@gnu.org>
3560
3561         Revert part of 2004-04-17 change that moved -frename-registers
3562         to -O1.  -frename-registers is buggy.
3563
3564         * toplev.c (flag_rename_registers): Initialize to 0.
3565         * doc/invoke.texi (Optimize options): Move -frename-registers
3566         to "Not triggered by any -O level" section.  Adjust commentary
3567         accordingly.
3568
3569 2004-04-20  Anil Paranjpe <anilp1@kpitcummins.com>
3570
3571         * toplev.c (compile_file): Move targetm.asm_out.file_end call to end.
3572
3573 2004-04-20  Richard Sandiford  <rsandifo@redhat.com>
3574
3575         * config/mips/mips.c (mips_legitimize_move): Generate special patterns
3576         for mflo and mfhi instructions.
3577         (mips_output_move): Remove mflo and mfhi handling.
3578         * config/mips/mips.md (UNSPEC_MFHILO): New unspec.
3579         (*mulsidi3_64bit): Update for new mfhi/mflo representation.
3580         Likewise various define_peephole2s.
3581         (*movdi_32bit, *movdi_64bit, *movsi_internal): Merge x<-J and x<-d
3582         alternatives.
3583         (*movdi_64bit, *movdi_64bit_mips16, *mov[shq]i_internal)
3584         (*mov[shq]i_mips16): Remove mflo and mfhi alternatives.
3585         (mfhilo_di, mfhilo_si): New patterns.
3586
3587 2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3588
3589         * function.c (assign_parms): Force
3590         MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.
3591
3592 2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3593
3594         * var-tracking.c (variable_part_different_p): Variable parts differ
3595         when the most recent locations differ.
3596
3597 2004-04-19  James E Wilson  <wilson@specifixinc.com>
3598
3599         * rtl.h (reg_set_last): Delete declaration.
3600         * rtlanal.c (reg_set_last): Delete.
3601
3602 2004-04-19  Roger Sayle  <roger@eyesopen.com>
3603
3604         * fold-const.c (fold_convert): Make function extern/public.
3605         * tree.h (fold_convert): Prototype here.
3606         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
3607         expand_builtin_strrchr, expand_builtin_strpbrk,
3608         expand_builtin_mempcpy, expand_builtin_bcopy,
3609         expand_builtin_bzero, expand_builtin_memcmp,
3610         expand_builtin_strcmp, expand_builtin_strncmp,
3611         stabilize_va_list, expand_builtin_sprintf,
3612         fold_trunc_transparent_mathfn, fold_builtin_logarithm,
3613         fold_builtin_exponent, fold_builtin_mempcpy,
3614         fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
3615         fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
3616         fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".
3617
3618 2004-04-19  Aldy Hernandez  <aldyh@redhat.com>
3619
3620         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
3621         (move_from_CR_gt_bit): New.
3622         (cceq_ior_compare): Name previously unnamed pattern.  Disable for
3623         E500.
3624         (cceq_rev_compare): Name previously unnamed pattern.  Allow for
3625         E500.
3626
3627         * config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
3628         (tstsfeq_gpr): Same.
3629         (cmpsfgt_gpr): Same.
3630         (tstsfgt_gpr): Same.
3631         (cmpsflt_gpr): Same.
3632         (tstsflt_gpr): Same.
3633         (e500_cceq_ior_compare): New.
3634         (e500_flip_gt_bit): New.
3635
3636         * config/rs6000/rs6000.c (ccr_bit): Remove E500 specific code.
3637         (print_operand): Add 'c' and 'D'.
3638         (rs6000_generate_compare): Rewrite to generate correct rtl.
3639         (rs6000_emit_sCOND): Handle E500.
3640         (output_cbranch): Adjust for changes in rs6000_generate_compare.
3641         (output_e500_flip_gt_bit): New.
3642
3643         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
3644         Protoize.
3645
3646 2004-04-19  Eric Christopher  <echristo@redhat.com>
3647
3648         * config/mips/mips.h (DWARF2_ADDR_SIZE): New.
3649
3650 2004-04-19  David Edelsohn  <edelsohn@gnu.org>
3651
3652         * doc/install.texi (*-ibm-aix*): Add AIX 5.1 assembler and archiver
3653         fix information.
3654
3655 2004-04-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3656
3657         * doc/install.texi (Specific, mips-sgi-irix5): Fix IRIX 5.3 IDO
3658         download URL.
3659
3660 2004-04-19  Daniel Jacobowitz  <drow@mvista.com>
3661
3662         * stor-layout.c (layout_decl): Check DECL_PACKED before calling
3663         ADJUST_FIELD_ALIGN.  Check maximum_field_alignment after.
3664
3665 2004-04-19  Andrew PInski  <pinskia@physics.uc.edu>
3666
3667         * builtins.c (fold_builtin_cabs): Remove fndecl parameter.
3668         (fold_builtin): Update caller to match.
3669
3670         PR bootstrap/15009
3671         * bb-reorder.c (fix_up_fall_thru_edges): Init cond_jump.
3672
3673         PR bootstrap/14999
3674         * builtins.c (fold_builtin_cabs): Mark fndecl as unused.
3675
3676 2004-04-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3677
3678         * varasm.c (compare_constant, case VIEW_CONVERT_EXPR): Add case.
3679
3680         * expmed.c (expand_mult_highpart_adjust): Make OP1 valid for MODE.
3681         (expand_mult_highpart_optab): Likewise.
3682         (expand_mult_highpart): Make OP1 valid for WIDER_MODE, not MODE.
3683
3684 2004-04-19  Paul Brook  <paul@codesourcery.com>
3685
3686         * config/arm/arm.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
3687         floatunssisf2, floatunssidf2): New patterns.
3688
3689 2004-04-18  Mark Mitchell  <mark@codesourcery.com>
3690
3691         PR other/14918
3692         * doc/invoke.texi (-fprofile-generate): Document requirement to
3693         use -fprofile-generate when linking.
3694
3695         * doc/extend.texi (Strong Using): Warn users against using this
3696         feature.
3697
3698 2004-04-18  Richard Sandiford  <rsandifo@redhat.com>
3699
3700         * config/mips/mips-protos.h (m16_usym8_4, m16_usym5_4): Delete.
3701         * config/mips/mips.h (mips_entry, mips_string_length): Delete.
3702         (CONSTANT_POOL_BEFORE_FUNCTION, ASM_OUTPUT_POOL_EPILOGUE): Undefine.
3703         * config/mips/mips.c (struct mips16_constant): Renamed from struct
3704         constant.  Propogate change throughout file.
3705         (struct machine_function): Remove insns_len.
3706         (mips_string_length, mips16_strings, string_constants): Delete.
3707         (mips_classify_symbol): Return SYMBOL_CONSTANT_POOL for LABEL_REFs
3708         when generating mips16 code.  Remove special mips16 treatment of
3709         string constants.
3710         (mips_symbolic_constant_p): Allow mips16 constant pool accesses
3711         to have the form LABEL+CONSTANT.
3712         (mips_symbolic_address_p): Fix comment.
3713         (m16_usym8_4, m16_usym5_4): Delete.
3714         (mips_output_function_epilogue): Remove mips16 string handling.
3715         (mips_output_mi_thunk): Call mips16_lay_out_constants.
3716         (mips_select_section, mips_encode_section_info): Remove mips16
3717         string handling.
3718         (struct mips16_constant_pool): New.
3719         (add_constant): Take a mips16_constant_pool structure.  Keep pool
3720         sorted into order of ascending mode size.  Keep track of the highest
3721         possible start address, taking padding and the masking of the base PC
3722         value into account.
3723         (dump_constants_1): New function, split out from dump_constants.
3724         Handle vector constants.  Use gen_consttable_{int,float} rather than
3725         separate functions for each mode.
3726         (dump_constants): Simplify.  Use GET_MODE_ALIGNMENT.  Use gen_align
3727         rather than separate functions for each alignment.
3728         (mips_find_symbol): Delete.
3729         (mips16_insn_length): New function, split out from
3730         mips16_lay_out_constants.
3731         (mips16_rewrite_pool_refs): New function.
3732         (mips16_lay_out_constants): Rework. Remove string handling.
3733         Always create an inline constant pool.
3734         * config/mips/mips.md (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT)
3735         (UNSPEC_ALIGN): New constants.
3736         (UNSPEC_CONSTTABLE_[QHSD]I, UNSPEC_CONSTTABLE_[SD]F): Delete.
3737         (UNSPEC_ALIGN_[248]): Delete.
3738         (consttable_int, consttable_float, align): New patterns.
3739         (consttable_[qhsd]i, consttable_[sd]f, align_[248]): Delete.
3740
3741 2004-04-17  Aldy Hernandez  <aldyh@redhat.com>
3742
3743         * config/rs6000/altivec.h (vec_any_numeric): Correct typo in
3744         __unn_args_eq.
3745
3746 2004-04-17  Alan Modra  <amodra@bigpond.net.au>
3747
3748         PR target/14715
3749         * config/rs6000/rs6000.c (rs6000_stack_info): Make parm_size agree
3750         with STARTING_FRAME_OFFSET.
3751
3752 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3753
3754         * config/mips/mips.h (PREDICATE_CODES): Add macc_msac_operand.
3755         * config/mips/mips.c (macc_msac_operand): New function.
3756         * config/mips/mips.md (*msac): Move after *macc.
3757         (*msac2): New.  Generalize macc-related peepholes so that they apply
3758         to msac too.
3759
3760 2004-04-17  Paolo Bonzini  <bonzini@gnu.org>
3761
3762         * opts.c (decode_options): Do not enable flag_rename_registers
3763         and flag_web at -O3.
3764         * toplev.c (flag_rename_registers): Initialize
3765         flag_rename_registers and flag_web to
3766         AUTODETECT_FLAG_VAR_TRACKING.
3767         (default_debug_hooks): New global.
3768         (process_options): Initialize default_debug_hooks.  Warn if
3769         -fvar-tracking specified but not supported by the current
3770         debug format.  Do not run var tracking at -O0 or if not
3771         supported by the current debug format, even if
3772         -fvar-tracking was given.  If -fno-rename-registers
3773         is not specified, always run register renaming if var
3774         tracking is supported by the default debugging information
3775         format for the target, and we are at -O1 or higher; similarly
3776         for -fweb, but only at -O2 or higher.
3777         * doc/invoke.texi (Optimize Options): Document this.
3778
3779 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3780
3781         * configure.ac (gcc_cv_ld_as_needed): Use AC_CACHE_CHECK.
3782         * configure: Regenerate.
3783
3784 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3785
3786         * gcc.c (used_arg): Check whether an option has been removed.
3787
3788 2004-04-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3789
3790         * config.gcc (i[34567]86-*-solaris2*): Default to DWARF-2
3791         debugging on Solaris 7 and up.
3792
3793 2004-04-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3794
3795         * doc/install.texi (Specific, mips-sgi-irix5): Reflect working
3796         IRIX 5 port.
3797         Remove -save-temps workaround, handled automatically.
3798         Require GNU binutils 2.15 for debugging.
3799         Remove SGI make warnings since GNU make is now required.
3800         (Specific, mips-sgi-irix6): Some markup fixes.
3801         Describe MIPSpro C problems and workarounds.
3802         Mention working O32 ABI support.
3803         Recommend GNU as 2.15 for O32 with debugging.
3804         Remove description of fixed structure pass/return bug.
3805
3806 2004-04-16  DJ Delorie  <dj@redhat.com>
3807
3808         * sdbout.c (sdbout_one_type): Use TYPE_VALUES for enums, not
3809         TYPE_FIELDS.
3810         (sdbout_finish): Don't free deferred_global_decls; it's GC'd.
3811
3812 2004-04-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3813
3814         * pa.md: Remove unnecessary declarations for asm_out_file.
3815
3816         * pa64-regs.h (DBX_REGISTER_NUMBER): Simplify and correct mapping of
3817         SAR register.  Fix comment.
3818         (ADDITIONAL_REGISTER_NAMES): Correct register number of SAR register
3819         (%cr11).
3820
3821         * pa64-hpux.h (LIB_SPEC): Fix library specification used with GNU ld.
3822
3823 2004-04-16  Nick Clifton  <nickc@redhat.com>
3824
3825         * config/arm/arm.c (arm_override_options): Revert previous patch.
3826         * config/arm/t-xscale-elf: Disable iwmmxt multilibs until they can
3827         be safely built.
3828
3829 2004-04-16  Kazuhiro Inaoka <inaoka dot kazuhiro at renesas dot com>
3830
3831         * config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian
3832         bug.
3833         (TARGET_LITTLE_ENDIAN, TARGET_BIG_ENDIAN,
3834         TARGET_DEFAULT): Changed. Ditto.
3835         (LITTLE_ENDIAN_BIT, TARGET_CPU_DEFAULT,
3836         TARGET_ENDIAN_DEFAULT): Added. Ditto.
3837         * config/m32r/little.h (TARGET_LITTLE_ENDIAN): Deleted.
3838         (TARGET_ENDIAN_DEFAULT): Added.
3839
3840 2004-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3841
3842         * builtins.def (BUILT_IN_ISDIGIT, BUILT_IN_ISXDIGIT): Mark with
3843         ATTR_CONST_NOTHROW_LIST.
3844
3845 2004-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3846
3847         PR/middle-end 14915
3848         * builtins.c (expand_builtin_signbit): Test BYTES_BIG_ENDIAN, not
3849         BITS_BIG_ENDIAN.
3850
3851 2004-04-15  Pat Haugen  <pthaugen@us.ibm.com>
3852
3853         * ra-debug.c (ra_print_rtx): Add break's to case legs.
3854
3855 2004-04-14  James E Wilson  <wilson@specifixinc.com>
3856
3857         * Makefile.in (fixinc.sh): Set WARN_CFLAGS to empty string.
3858
3859 2004-04-14  Nathanael Nerode  <neroden@gcc.gnu.org>
3860
3861         * libada-mk.in: New file.
3862         * configure.ac: Create libada-mk from libada-mk.in.
3863         * configure: Regenerate.
3864
3865 2004-04-14  Uros Bizjak  <uros@kss-loka.si>
3866
3867         * optabs.h (enum optab_index): Add new OTI_logb and OTI_ilogb.
3868         (logb_optab, ilogb_optab): Define corresponding macros.
3869         * optabs.c (init_optabs): Initialize logb_optab and ilogb_optab.
3870         * genopinit.c (optabs): Implement logb_optab and ilogb_optab
3871         using logb?f2 and ilogb?i2 patterns.
3872         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOGB{,F,L}
3873         using logb_optab, and BUILT_IN_ILOGB{,F,L} using ilogb_optab.
3874         (expand_builtin): Expand BUILT_IN_LOGB{,F,L} and BUILT_IN_ILOGB{,F,L}
3875         using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3876
3877         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_XTRACT_FRACT
3878         and UNSPEC_XTRACT_EXP.
3879
3880         * config/i386/i386.md (*fxtractdf3, *fxtractsf3, *fxtractxf3): New
3881         patterns to implement fxtract x87 instruction.
3882         (logbdf2, logbsf2, logbxf2, ilogbsi2): New expanders to implement
3883         logb, logbf, logbl, ilogb, ilogbf and ilogbl built-ins as inline x87
3884         intrinsics.
3885         (UNSPEC_XTRACT_FRACT, UNSPEC_XTRACT_EXP): New unspecs to represent
3886         x87's fxtract insn.
3887
3888 2004-04-14  Eric Christopher  <echristo@redhat.com>
3889
3890         * config/mips/t-elf: Enable multilibs by default.
3891
3892 2004-04-14  Andreas Tobler  <a.tobler@schweiz.ch>
3893
3894         * bb-reorder.c (fix_crossing_conditional_branches): Adjust the
3895         previous fix to check HAVE_return at runtime too.
3896
3897 2004-04-14  Nick Clifton  <nickc@redhat.com>
3898
3899         * config/arm/arm.c (arm_override_options): If the user has not
3900         specified an ABI, then default to AAPCS for the iWMMXt processor.
3901         * config/arm/t-xscale-elf: Remove redundant multilib specifications.
3902         * config/arm/t-xscale-coff: Likewise.
3903
3904 2004-04-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3905
3906         * builtins.c (fold_builtin_isdigit): New.
3907         (fold_builtin): Handle BUILT_IN_ISDIGIT.
3908         * defaults.h: Add TARGET_DIGIT0 and sort.
3909         * doc/tm.texi: Add TARGET_BS and TARGET_DIGIT0.
3910
3911 2004-04-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3912
3913         * builtins.c (fold_builtin_cabs, fold_builtin): Use
3914         `mathfn_built_in' to determine the new builtin.
3915         * fold-const.c (fold): Likewise.
3916
3917 2004-04-14  Richard Sandiford  <rsandifo@redhat.com>
3918
3919         * doc/invoke.texi: Rename MIPS's -mfix-vr4122-bugs to -mfix-vr4120.
3920         * config/mips/mips.h (MASK_FIX_VR4120): Renamed from MASK_FIX_VR4122.
3921         (TARGET_FIX_VR4120): Likewise TARGET_FIX_VR4122.
3922         (TARGET_SWITCHES): Replace -mfix-vr4122-bugs with -mfix-vr4120.
3923         (ASM_SPEC): Update accordingly.
3924         * config/mips/mips.c: Update after above renaming.
3925         * config/mips/mips.md, config/mips/t-vr, config/mips/vr.h: Likewise.
3926         * config/mips/vr4120-div.S: Renamed from vr4122-div.S.
3927
3928 2004-04-13  James E Wilson  <wilson@specifixinc.com>
3929
3930         * c-opt.c (c_common_post_options): If this_input_filename is NULL,
3931         increment errorcount and return false instead of true.
3932
3933 2004-04-13  Uros Bizjak  <uros@kss-loka.si>:
3934
3935         * optabs.c (expand_twoval_unop): Reorder function arguments.
3936         * builtins.c (expand_builtin_mathfn_3): Update calls to
3937         expand_twoval_unop.
3938
3939         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_TAN_ONE
3940         and UNSPEC_TAN_TAN. Add missing comment.
3941
3942         * config/i386/i386.md (*tandf3_1, *tansf3_1, *tanxf3_1): New
3943         patterns to implement fptan x87 instruction.
3944         (tandf2, tansf2, tanxf2): New expanders to implement tan, tanf
3945         and tanl built-ins as inline x87 intrinsics. Define corresponding
3946         peephole2 optimizers for 'fptan; fstp %st(0); fld1' sequence.
3947         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): New unspecs to represent
3948         x87's fptan insn.
3949
3950 2004-03-13  Richard Henderson  <rth@redhat.com>
3951
3952         * bb-reorder.c (fix_crossing_unconditional_branches): Use Pmode
3953         for LABEL_REFs.
3954
3955         * defaults.h (HOT_TEXT_SECTION_NAME): Add leading dot.
3956         (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Likewise.
3957         * doc/invoke.texi: Update to match.
3958
3959         * varasm.c (unlikely_text_section): Use assemble_align instead of
3960         ASM_OUTPUT_ALIGN.  Use it in the correct place with an approximately
3961         correct alignment argument.
3962
3963 2004-04-13  Ulrich Weigand  <uweigand@de.ibm.com>
3964
3965         * reload1.c (emit_reload_insns): Set reg_has_output_reload to one
3966         after setting reg_last_reload_reg for optional output reloads.
3967
3968 2004-04-12  Fariborz Jahanian <fjahanian@apple.com>
3969
3970         * config/rs6000/altivec.h (vec_mergeh, vec_mergel):
3971         Definition of these two macros are corrected by adding
3972         matchine right paren.
3973
3974 2004-04-12  Jonathan Larmour  <jifl@eCosCentric.com>
3975
3976         * fix-header.c: kill(), putenv() and tzset() are POSIX not ANSI.
3977
3978 2004-04-12  Roger Sayle  <roger@eyesopen.com>
3979
3980         * config/i386/i386.c (output_387_reg_move): New function.
3981         * config/i386/i386-protos.h (output_387_reg_move): Prototype here.
3982         * config/i386/i386.md (*movsf_1, *movsf1_nointerunit,
3983         *movdf_nointeger, *movdf_integer, *movxf_nointeger, *movxf_integer,
3984         *extendsfdf2_1,  *extendsfxf2_1, *extenddfxf2_1, truncdfsf2_noop,
3985         truncxfsf2_noop, truncxfdf2_noop): Call output_387_reg_move.
3986
3987 2004-04-12  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3988
3989         * c-decl.c (finish_decl): Make a decl_stmt for a variable-sized
3990         TYPE_DECL.
3991         * c-semantics.c (genrtl_decl_stmt): Handle TYPE_DECL.
3992         * stmt.c (expand_decl): Remove redundant expansion of TYPE_DOMAIN.
3993         * stor-layout.c (variable_size): Don't check for MINUS_EXPR.
3994         Use skip_simple_arithmetic to find SAVE_EXPR.
3995         (force_type_save_exprs, force_type_save_exprs_1): New functions.
3996         * tree-inline.c (remap_type, case POINTER_TYPE, case REFERENCE_TYPE):
3997         Properly chain multiple pointers.
3998         (copy_tree_r): Copy a TYPE_DECL.
3999         * tree.c (variably_modified_type_p): Add some missing tests and
4000         make some other minor changes.
4001         * tree.h (force_type_save_exprs): New declaration.
4002
4003 2004-04-12  Roger Sayle  <roger@eyesopen.com>
4004
4005         * simplify-rtx.c (simplify_binary_operation) <UDIV, DIV, UMOD, MOD>:
4006         Remove fall throughs.  Convert 0/x and 0%x into x&0 when x has
4007         side-effects.  Don't convert x/1.0 into x if we honor signaling NaNs.
4008         Convert x/-1.0 into -x if we don't honor signaling NaNs.  Convert
4009         x/-1 into -x.  Optimize x%1 into x&0 if x has side-effects.  Optimize
4010         x%-1 into 0 (or x&0 if x has side-effects).
4011
4012 2004-04-11  Aldy Hernandez  <aldyh@redhat.com>
4013
4014         * config/rs6000/rs6000.md: Document why a pattern is not
4015         available.
4016
4017         * config/rs6000/rs6000.c (rs6000_emit_cmove): Disable comparisons
4018         of floats on the E500.
4019         (branch_positive_comparison_operator): Do not allow NE even on the
4020         E500.
4021
4022 2004-04-11  Aldy Hernandez  <aldyh@redhat.com>
4023
4024         * config/rs6000/rs6000.c (rs6000_assemble_integer): Change
4025         in_text_unlikely_section to in_unlikely_text_section.
4026
4027 2004-04-11  Roger Sayle  <roger@eyesopen.com>
4028
4029         * fold-const.c (fold_binary_op_with_conditional_arg):  Tweak
4030         calling convention to allow a NULL_TREE to be returned.  Factor
4031         sanity checks from callers, return NULL_TREE when appropriate.
4032         (fold): Handle COMPOUND_EXPR operands of binary expressions
4033         before COND_EXPR operands.  Use reorder_operands_p(a,b) to check
4034         whether a op (b,c) can be rewritten as (b, a op c).  Simplify
4035         calls to fold_binary_op_with_conditional_arg.
4036
4037 2004-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4038
4039         * config/mips/iris5.h (current_section_flags):  Add
4040         in_unlikely_executed_text and default case.
4041
4042 2004-04-11  Andreas Tobler  <a.tobler@schweiz.ch>
4043
4044         * bb-reorder.c (fix_crossing_conditional_branches): Fix bootstrap
4045         failure on solaris. Place ifdef HAVE_return around gen_ret call.
4046         * cfgrtl.c (force_nonfallthru_and_redirect): Remove ifdef
4047         HAVE_return and place it around the place where it is needed.
4048
4049 2004-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4050
4051         * varasm.c (text_section): Use TEXT_SECTION_ASM_OP and
4052         ASM_OUTPUT_ALIGN instead of SECTION_FORMAT_STRING
4053         and NORMAL_TEXT_SECTION_NAME.
4054         (unlikely_text_section): Check targetm.have_named_sections
4055         instead of TARGET_ASM_NAMED_SECTION and use TEXT_SECTION_ASM_OP
4056         instead of SECTION_FORMAT_STRING.
4057         * config/mips/iris5.h (current_section_name): Add
4058         in_unlikely_executed_text case and move the abort into the switch.
4059         * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME): Remove.
4060         (NORMAL_TEXT_SECTION_NAME): Remove.
4061         (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
4062         (SECTION_FORMAT_STRING): Remove.
4063         * defaults.h (SECTION_FORMAT_STRING): Remove.
4064         * tm.texi (NORMAL_TEXT_SECTION_NAME): Remove.
4065         (SECTION_FORMAT_STRING): Remove.
4066
4067 2004-04-10  Joseph S. Myers  <jsm@polyomino.org.uk>
4068
4069         * c-typeck.c (common_type): Prefer long long to long when same
4070         precision.
4071
4072 2004-04-09  Zack Weinberg  <zack@codesourcery.com>
4073
4074         PR 14887
4075         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Look only at
4076         mode argument.
4077         * config/ia64/ia64.c (ia64_hpux_file_end): Check
4078         TREE_SYMBOL_REFERENCED on DECL_ASSEMBLER_NAME, not DECL_NAME.
4079
4080 2004-04-09  Roger Sayle  <roger@eyesopen.com>
4081
4082         * simplify-rtx.c (mode_signbit_p): New function to check whether
4083         an RTX is an immediate constant that represents the most significant
4084         bit of a given machine mode.
4085         (simplify_unary_operation) <NOT>: Optimize ~(X+C) as X ^ ~C, where
4086         C is the sign bit.
4087         (simplify_binary_operation) <PLUS>: Optimize (X^C1) + C2 as X^(C1^C2)
4088         when C2 is the sign bit.
4089         (simplify_binary_operation) <XOR>: Canonicalize X^C as X+C when C
4090         is the sign bit.  Optimize (X+C1) ^ C2 as X^(C1^C2) when C1 is the
4091         sign bit.
4092
4093 2004-04-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4094
4095         * builtins.c (mathfn_built_in): Check TYPE_MAIN_VARIANT, not
4096         TYPE_MODE.
4097
4098 2004-04-09  Andrew Pinski  <pinskia@physics.uc.edu>
4099
4100         * c-common.c (handle_noreturn_attribute): Use TYPE_READONLY instead
4101         of TREE_READONLY for types.
4102
4103 2004-04-09  Caroline Tice  <ctice@apple.com>
4104
4105         * basic-block.h (struct edge_def):  Add new field, crossing_edge.
4106         (struct basic_block_def):  Add new field, partition.
4107         (UNPARTITIONED, HOT_PARTITION, COLD_PARTITION):  New constant macro
4108         definitions.
4109         (partition_hot_cold_basic_blocks): Add extern function
4110         declaration.
4111         * bb-reorder.c (function.h, obstack.h, expr.h, regs.h):  Add four new
4112         include statements.
4113         (N_ROUNDS): Increase the maximum number of rounds by 1.
4114         (branch_threshold): Add array value for new round.
4115         (exec_threshold): Add array value for new round.
4116         (push_to_next_round_p): New function.
4117         (add_unlikely_executed_notes): New function.
4118         (find_rarely_executed_basic_blocks_and_crossing_edges): New function.
4119         (mark_bb_for_unlikely_executed_section): New function.
4120         (add_labels_and_missing_jumps): New function.
4121         (add_reg_crossing_jump_notes): New function.
4122         (fix_up_fall_thru_edges): New function.
4123         (find_jump_block): New function.
4124         (fix_crossing_conditional_branches): New function.
4125         (fix_crossing_unconditional_branches): New function.
4126         (fix_edges_for_rarely_executed_code): New function.
4127         (partition_hot_cold_basic_blocks): New function.
4128         (find_traces):  Add an extra round for partitioning hot/cold
4129         basic blocks.
4130         (find_traces_1_round): Add a parameter.  Modify to push all cold blocks,
4131         and only cold blocks, into the last (extra) round of collecting traces.
4132         (better_edge_p): Add a parameter.  Modify to favor non-crossing edges
4133         over crossing edges.
4134         (bb_to_key):  Add code to correctly identify cold blocks when
4135         doing partitioning.
4136         (connect_traces): Modify to connect all the non-cold traces first, then
4137         go back and connect up all the cold traces.
4138         (reorder_basic_blocks):  Add call to add_unlikely_executed_notes.
4139         * cfg.c (entry_exit_blocks): Add initialization for partition field in
4140         entry and exit blocks.
4141         * cfgbuild.c (make_edges): Update current_function_has_computed_jump
4142         if we are doing hot/cold partitioning.
4143         * cfgcleanup.c (cfglayout.h): Add new include statement.
4144         (try_simplify_condjump): Modify to not attempt on blocks with jumps
4145         that cross section boundaries.
4146         (try_forward_edges): Likewise.
4147         (merge_blocks_move_predecessor_nojumps): Likewise.
4148         (merge_blocks_move_successor_nojumps): Likewise.
4149         (merge_blocks_move): Likewise.
4150         (try_crossjump_to_edge): Modify to not attempt after we have done
4151         the block partitioning.
4152         (try_crossjump_bb): Modify to not attempt on blocks with jumps that
4153         cross section boundaries.
4154         (try_optimize_cfg): Likewise.
4155         * cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
4156         jumps that cross section boundaries.
4157         * cfglayout.c (flags.h): Add new include statement.
4158         (update_unlikely_executed_notes):  New function.
4159         (fixup_reorder_chain):  Add code so when a new jumping basic block is
4160         added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
4161         updated appropriately.
4162         (duplicate_insn_chain):  Add code to duplicate the new NOTE insn
4163         introduced by this optimization.
4164         * cfglayout.h (scan_ahead_for_unlikely_executed_note):  Add new
4165         extern function declaration.
4166         * cfgrtl.c (can_delete_note_p):  Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4167         list of notes that can be deleted.
4168         (create_basic_block_structure):  Add initialization for partition field.
4169         (rtl_can_merge_blocks):  Modify to test blocks for jumps that cross
4170         section boundaries.
4171         (try_redirect_by_replacing_jump):  Modify to not attempt on jumps that
4172         cross section boundaries.
4173         (commit_one_edge_insertion): Add code so newly created basic block
4174         ends up in correct (hot or cold) section.  Modify to disallow
4175         insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
4176         (rtl_verify_flow_info_1):  Add code to verify that no fall_thru edge
4177         crosses section boundaries.
4178         (cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
4179         cross section boundaries.
4180         (force_nonfallthru_and_redirect): Modify to make sure new basic block
4181         ends up in correct section, with correct notes attached.
4182         * common.opt (freorder-blocks-and-partition):  Add new flag for this
4183         optimization.
4184         * dbxout.c (dbx_function_end):  Add code to make sure scope labels at
4185         the end of functions are written into the correct (hot or cold)
4186         section.
4187         (dbx_source_file): Add code so writing debug file information
4188         doesn't incorrectly change sections.
4189         * defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
4190         in partitioning hot/cold basic blocks into separate sections.
4191         (SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
4192         section partitioning.
4193         (HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
4194         conditional branches can span all of memory.
4195         (HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
4196         unconditional branches can span all of memory.
4197         * final.c (scan_ahead_for_unlikely_executed_note):  New function.
4198         (final_scan_insn):  Add code to check for NOTE instruction indicating
4199         whether basic block belongs in hot or cold section, and to make sure
4200         the current basic block is being written to the appropriate section.
4201         Also added code to ensure that jump table basic blocks end up in the
4202         correct section.
4203         * flags.h (flag_reorder_blocks_and_partition):  New flag.
4204         * ifcvt.c (find_if_case_1):  Modify to not attempt if conversion if
4205         one of the branches has a jump that crosses between sections.
4206         (find_if_case_2): Likewise.
4207         (ifcvt): Modify to not attempt to mark loop exit edges after
4208         hot/cold partitioning has occurred.
4209         * opts.c (decode_options): Code to handle new flag,
4210         flag_reorder_blocks_and_partition; also to turn it off if
4211         flag_exceptions is on.
4212         (common_handle_option): Code to handle new flag,
4213         flag_reorder_blocks_and_partition.
4214         * output.h (unlikely_text_section): New extern function declaration.
4215         (in_unlikely_text_section): New extern function declaration.
4216         * passes.c (rest_of_handle_stack_regs):  Add
4217         flag_reorder_blocks_and_partition as an 'or' condition for calling
4218         reorder_basic_blocks.
4219         (rest_of_handle_reorder_blocks):  Add flag_reorder_blocks_and_partition
4220         as an 'or' condition for calling reorder_basic_blocks.
4221         (rest_of_compilation):  Add call to partition_hot_cold_basic_blocks.
4222         * print-rtl.c (print_rtx): Add code for handling new note,
4223         NOTE_INSN_UNLIKELY_EXECUTED_CODE
4224         * rtl.c  (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
4225         (REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
4226         cross between section boundaries.
4227         * rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  New note instruction,
4228         indicating the basic block containing it belongs in the cold section.
4229         (REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
4230         between hot and cold sections.
4231         * toplev.c (flag_reorder_blocks_and_partition):  Add code to
4232         initialize this flag, and to tie it to the command-line option
4233         freorder-blocks-and-partition.
4234         * varasm.c (cfglayout.h):  Add new include statement.
4235         (unlikely_section_label_printed):  New global variable, used for
4236         determining when to output section name labels for cold sections.
4237         (in_section):  Add in_unlikely_executed_text to enum data structure.
4238         (text_section):  Modify code to use SECTION_FORMAT_STRING and
4239         NORMAL_TEXT_SECTION_NAME macros.
4240         (unlikely_text_section):  New function.
4241         (in_unlikely_text_section):  New function.
4242         (function_section):  Add code to make sure beginning of function is
4243         written into correct section (hot or cold).
4244         (assemble_start_function):  Add code to make sure stuff is written to
4245         the correct section.
4246         (assemble_zeros):  Add in_unlikely_text_section as an 'or' condition
4247         to an if statement that was checking 'in_text_section'.
4248         (assemble_variable):  Add 'in_unlikely_text_section' as an 'or'
4249         condition to an if statement that was checking 'in_text_section'.
4250         (default_section_type_flags_1):  Add check: if in cold section
4251         flags = SECTION_CODE.
4252         * config/darwin.c (darwin_asm_named_section):  Modify to use
4253         SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
4254         * config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
4255         specifically for the i386.
4256         (HAS_LONG_UNCOND_BRANCH):  Defined this macro specifically for the i386.
4257         * config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
4258         text string to something more informative.
4259         (NORMAL_TEXT_SECTION_NAME): Add new definition.
4260         (SECTION_FORMAT_STRING):  Add new definition.
4261         * config/rs6000/rs6000.c (rs6000_assemble_integer):  Add
4262         '!in_unlikely_text_section' as an 'and' condition to an if statement
4263         that was already checking '!in_text_section'.
4264         * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
4265         UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
4266         sure these are properly defined for linux on ppc.
4267         * doc/invoke.texi  (freorder-blocks-and-partition): Add documentation
4268         for this new flag.
4269         * doc/rtl.texi (REG_CROSSING_JUMP):  Add documentation for new
4270         reg_note.
4271         * doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
4272         HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
4273         these new macros.
4274
4275 2004-04-08  Roger Sayle  <roger@eyesopen.com>
4276
4277         * function.c (gen_mem_addressof): When changing the RTX from a REG
4278         to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.
4279
4280 2004-04-08  Roger Sayle  <roger@eyesopen.com>
4281
4282         PR target/14888
4283         * config/i386/i386.md (truncdfsf2_noop, truncxfsf2_noop,
4284         truncxfdf2_noop): Provide dummy "fmov" implementations.
4285
4286 2004-04-08  Ian Lance Taylor  <ian@wasabisystems.com>
4287
4288         * gcc.c (default_compilers): Add missing initializers.
4289
4290         * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
4291         Return 1 if file was successfully mapped.
4292
4293 2004-04-08  Geoffrey Keating  <geoffk@apple.com>
4294
4295         PR pch/13419
4296         PR pch/14137
4297         Radar #: 3315288
4298         * doc/invoke.texi (Precompiled Headers): Suggest -o
4299         to put an output file in a particular place.  Be more detailed
4300         about which options affect PCH validity and which options
4301         might not work.
4302         * c-pch.c (pch_matching): New.
4303         (MATCH_SIZE): New.
4304         (struct c_pch_validity): New field 'match'.
4305         (pch_init): Handle pch_matching.
4306         (c_common_valid_pch): Check pch_matching.
4307
4308         * explow.c: Fix typo defining default of PROMOTE_FUNCTION_MODE.
4309
4310 2004-04-08  Mark Mitchell  <mark@codesourcery.com>
4311
4312         * doc/invoke.texi (Precompiled Headers): Warn about known
4313         problems.
4314
4315 2004-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4316
4317         PR c++/14808
4318         * defaults.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): New macro. Default
4319         to 1 if ASM_OUTPUT_DEF is defined.
4320         * doc/tm.texi (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document.
4321         * config/i386/cygming.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): Define.
4322         Set to non-zero iff not a one_only decl.
4323
4324 2004-04-08  Paul Brook  <paul@codesourcery.com>
4325
4326         * arm.h (CLASS_LIKELY_SPILLED_P): Define.
4327
4328 2004-04-08  Paul Brook  <paul@codesourcery.com>
4329
4330         * explow.c (promote_mode): Use PROMOTE_FUNCTION_MODE instead of
4331         PROMOTE_FOR_CALL_ONLY.
4332         * config/arm/arm-protos.h (arm_function_value): Declare.
4333         * config/arm/arm.h (TARGET_PROMOTE_FUNCTION_ARGS): Define.
4334         (TARGET_PROMOTE_PROTOTYPES): Return false.
4335         (arm_function_value): New function.
4336         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Define.
4337         (FUNCTION_VALUE): Call arm_function_value.
4338         * config/cris/cris.h (PROMOTE_MODE): Rename ...
4339         (PROMOTE_FUNCTION_MODE): ... to this.
4340         (PROMOTE_FOR_CALL_ONLY): Remove.
4341         * config/mmix/mmix.h: Likewise.
4342         * config/s390/s390.h: Likewise.
4343         * config/sparc/sparc.h: Likewise.
4344         * config/sparc/sparc.c: Update comments about PROMOTE_MODE.
4345         * doc/tm.texi (PROMOTE_FUNCTION_MODE): Document.
4346         (TARGET_PROMOTE_FUNCTION_MODE, TARGET_PROMOTE_FUNCTION_RETURN): Update.
4347         (PROMOTE_FOR_CALL_ONLY): Remove.
4348
4349 2004-04-08  Joel Sherrill <joel@oarcorp.com>
4350
4351         PR ada/14538
4352         * ada/5rosinte.adb: Remove fake mprotect() body.
4353         * ada/5rosinte.ads: Add SA_SIGINFO.
4354         * ada/5rtpopsp.adb: Rewrite to use new interface.
4355         * ada/init.c: Reorder so the simple single OS conditional __rtems__
4356         is tested before more complex ones which mix UNIX and embedded
4357         systems in the conditional.
4358
4359 2004-04-08  Joel Sherrill  <joel@oarcorp.com>
4360
4361         PR ada/14665
4362         * ada/osint.adb (Find_Program_Name): Rework to properly handle
4363         filenames which end in .exe or have versioning suffixes like VMS.
4364
4365 2004-04-08  Andrew Pinski  <pinskia@physics.uc.edu>
4366
4367         PR target/10129
4368         * config/darwin.c (darwin_encode_section_info): When the decl has
4369         a DECL_INITIAL, it is only defined also when it is not a common.
4370
4371 2004-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4372
4373         * builtins.c (fold_builtin_isascii, fold_builtin_toascii): New.
4374         (fold_builtin): Handle BUILT_IN_ISASCII and BUILT_IN_TOASCII.
4375
4376 2004-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4377
4378         * config/ia64/ia64.c (ia64_encode_section_info): Don't prod
4379         global register variables.
4380
4381 2004-04-07  Joseph S. Myers  <jsm@polyomino.org.uk>
4382
4383         * fixinc/inclhack.def (rpc_xdr_lvalue_cast_a,
4384         rpc_xdr_lvalue_cast_b): New fixes.
4385         * fixinc/fixincl.x: Regenerate.
4386         * fixinc/tests/base/rpc/xdr.h: Add new tests.
4387
4388 2004-04-07  David Edelsohn  <edelsohn@gnu.org>
4389
4390         * config/rs6000/rs6000.c (processor_target_table): Add MASK_MFCRF
4391         to power4 and power5 entries.
4392
4393 2004-04-06  Geoffrey Keating  <geoffk@apple.com>
4394
4395         * c-common.h (pending_lang_change): Mark for PCH.
4396
4397 2004-04-07  Caroline Tice  <ctice@apple.com>
4398
4399         * gcc.c (main): Move 'break' in main loops (on an error)
4400         to wait until error processing has occurred.
4401
4402 2004-04-06  Nathanael Nerode  <neroden@gcc.gnu.org>
4403
4404         * config.gcc: Stop changing enable_threads midstream.
4405         Replace uses of enable_threads_flag with enable_threads.
4406         * configure.ac: Replace uses of enable_threads_flag with
4407         enable_threads.  Improve autoconf quotation in one place.
4408         * configure: Regenerate.
4409
4410 2004-04-06  Uros Bizjak  <uros@kss-loka.si>
4411
4412         * builtins.c: Implement support for sincos function.
4413         (expand_builtin_mathfn): Remove BUILT_IN_SIN{,F,L} and
4414         BUILT_IN_COS{,F,L}.
4415         (expand_builtin_mathfn_3): New function.
4416         (expand_builtin): Expand BUILT_IN_SIN{,F,L} and
4417         BUILT_IN_COS{,F,L} using expand_builtin_mathfn_3 if
4418         flag_unsafe_math_optimization is set.
4419
4420         * optabs.h (enum optab_index): Add new OTI_sincos.
4421         (sincos_optab): Define corresponding macro.
4422
4423         * optabs.c (init_optabs): Initialize sincos_optab.
4424         (expand_twoval_unop): New function.
4425
4426         * genopinit.c (optabs): Implement sincos_optab using sincos?f3
4427         patterns.
4428
4429         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_SINCOS_COS
4430         and UNSPEC_SINCOS_SIN.
4431
4432         * config/i386/i386.md (sincosdf3, sincossf3, *sincosextendsfdf3,
4433         sincosxf3): New patterns to implement sincos, sincosf and sincosl
4434         built-ins as inline x87 intrinsics. Define splits for
4435         sindf2, sinsf2, *sinextendsfdf2, sinxf2, cosdf2,
4436         cossf2, *cosextendsfdf2 and cosxf2 patterns from corresponding
4437         sincos patterns.
4438         (sindf2, sinsf2, sinxf2): Rename to *sindf2, *sinsf2, *sinxf2.
4439         (cosdf2, cossf2, cosxf2): Rename to *cosdf2, *cossf2, *cosxf2.
4440
4441         (UNSPEC_SINCOS_SIN, UNSPEC_SINCOS_COS): New unspecs to represent
4442         x87's fsincos insn.
4443
4444 2004-04-06  Devang Patel  <dpatel@apple.com>
4445
4446         PR 14467
4447         * config/darwin.h (LINK_COMMAND_SPEC): Use c++filt instead of c++filt3.
4448
4449 2004-04-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4450
4451         * doc/install.texi: Update HP-UX 11 installation procedure.
4452
4453 2004-04-06  Paul Brook  <paul@codesourcery.com>
4454
4455         * doc/sourcebuild.texi: Remove obsolete contraint on testcases.
4456
4457 2004-04-05  Kaz Kojima  <kkojima@gcc.gnu.org>
4458
4459         * config/sh/sh.c (prepare_move_operands): Use emit_call_insn
4460         when the TLS address is generated by a function call.
4461         * config/sh/sh.md (tls_global_dynamic): Use a call expression.
4462         (tls_local_dynamic): Likewise.
4463
4464 2004-04-05  Andrew Pinski  <pinskia@physics.uc.edu>
4465
4466         * tree.c (reconstruct_complex_type): Use TYPE_READONLY
4467         and TYPE_VOLATILE.
4468
4469 2004-04-05  Caroline Tice  <ctice@apple.com>
4470
4471         * gcc.c (combine_flag): New global variable, for new driver option.
4472         (struct compiler): Add two new fields, to be used when
4473         combining multiple input files in a single pass (IMA).
4474         (default_compilers):  Add values for the new fields to all
4475         compiler entries. Modify the "@c" compiler entry for doing IMA
4476         properly with "-save-temps" and the "combine" flag.
4477         (option_map):  Add new driver option, "--combine", to tell driver
4478         to pass multiple input files to compiler at one time.
4479         (have_o_argbuf_index): New global variable.
4480         (store_arg): Modify to assign value to have_o_argbuf_index.
4481         (struct infile):  Add three new fields, to help with IMA.
4482         (display_help): Add help for new "combine" option.
4483         (process_command): Remove local variable have_o; add code to check
4484         for new "combine" option; remove assignment to combine_inputs.
4485         (do_spec_1):  Modify to deal with IMA better.
4486         (main): Make variable 'lang_n_infiles' local to entire function
4487         rather than to a single block.  Use flag combine_flag to
4488         determine whether to do IMA or not; Modify loop initializing
4489         infiles to deal properly with linker files.
4490         Add code for doing preprocessing in presence of
4491         IMA with "-save-temps" flag.  Modify "main" loop to handle
4492         multiple input files, in multiple languages, with or without
4493         preprocessing,  gracefully.
4494         * toplev.c (set_src_pwd): Modify to not complain if attempting to
4495         re-set it to same directory it's previously been set to (avoid
4496         irritating, meaningless warning messages when doing IMA with
4497         save-temps).
4498         * doc/invoke.texi: Add "-combine" to list of Overall Options;
4499         remove documentation about IMA that is no longer accurate; Add
4500         documentation explaining what "-combine" does.
4501         * ada/lang-specs.h: Add initialization values for new fields in
4502         "struct compiler".
4503         * cp/lang-specs.h: Likewise.
4504         * f/lang-specs.h: Likewise.
4505         * java/lang-specs.h: Likewise.
4506         * objc/lang-specs.h: Likewise.
4507         * treelang/lang-specs.h: Likewise.
4508
4509 2004-04-05  David Edelsohn
4510
4511         * config/rs6000/rs6000.c (VTABLE_NAME_P): Add _ZTI to special
4512         symbol handling.
4513
4514 2004-04-05  Jakub Jelinek  <jakub@redhat.com>
4515             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4516
4517         PR optimization/13424 (hppa), bootstrap/14462, c/14828
4518         * pa.md: Use replace_equiv_address to retain the attributes of the
4519         memory operands used in the split and peephole2 patterns for optimizing
4520         the pre-reload movstrsi, movstrdi, clrstrsi and clrstrdi patterns.
4521
4522 2004-04-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4523
4524         * c-decl.c (build_compound_literal): Use TYPE_READONLY.
4525         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4526         * objc/objc-act.c (adorn_decl, gen_declspecs): Likewise.
4527         * c-typeck.c (decl_constant_value): Don't access DECL_INITIAL of a
4528         PARM_DECL.
4529         * calls.c (flags_from_decl_or_type): Use TYPE_READONLY and do so only
4530         for a type.
4531         * print-tree.c (print_node): Properly handle side-effects, readonly,
4532         and constant flags.
4533         * tree.c (build1_stat, build_expr_wfl): Only look at TREE_SIDE_EFFECTS
4534         and TREE_CONSTANT if not a type.
4535         * tree.h (IS_NON_TYPE_CODE_CLASS): New macro.
4536         (IS_EXPR_CODE_CLASS): Write 'E', not 'e'.
4537         (NON_TYPE_CHECK): New macro.
4538         (TREE_SIDE_EFFECT, TREE_READONLY, TREE_CONSTANT: Add check.
4539
4540 2004-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4541
4542         * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Set
4543         to DWARF2_DEBUG unconditionally.
4544         (ASM_DEBUG_SPEC): Set the default to --gdwarf2 unconditionally.
4545
4546 2004-04-04  Ian Lance Taylor  <ian@wasabisystems.com>
4547             Nathanael Nerode  <neroden@gcc.gnu.org>
4548
4549         PR target/14548
4550         * config.host: Set the shell variable host_can_use_collect2.
4551         Set it to yes by default, and to no for alpha*-dec-*vms*,
4552         i[34567]86-*-mingw32*, and powerpc-*-beos*.
4553         * configure.ac: Set and substitute the shell variable collect2.
4554         Give an error if use_collect2 is yes and host_can_use_collect2 is
4555         no.
4556         * Makefile.in (COLLECT2): Rename from USE_COLLECT2.  Change all
4557         uses.  Initialize to @collect2@.
4558         (STAGESTUFF): Remove $(USE_COLLECT2).
4559         * config/alpha/x-vms (USE_COLLECT2): Don't set.
4560         * config/i386/t-mingw32 (USE_COLLECT2): Likewise.
4561         * config/rs6000/t-beos (USE_COLLECT2): Likewise.
4562         * config/pa/t-pa64: Remove commented out USE_COLLECT2.
4563         * configure: Regenerate.
4564
4565 2004-04-04  Roger Sayle  <roger@eyesopen.com>
4566
4567         * simplify-rtx.c (simplify_binary_operation): Constant fold
4568         DIV, MOD, UDIV and UMOD using div_and_round_double.
4569
4570 2004-04-04  Mark Mitchell  <mark@codesourcery.com>
4571
4572         PR c++/14804
4573         * varasm.c (initializer_constant_valid_p): Allow NOP_EXPRs to
4574         RECORD_TYPEs.
4575
4576 2004-04-04  Mark Mitchell  <mark@codesourcery.com>
4577
4578         * doc/invoke.texi (-mabi=o64): Create link to O64 ABI
4579         documentation.
4580
4581 2004-04-04  Roger Sayle  <roger@eyesopen.com>
4582
4583         * cse.c (cse_insn): Correct usage of simplify_replace_rtx when
4584         updating the REG_EQUAL note on an insn's libcall_insn.
4585
4586 2004-04-04  Roger Sayle  <roger@eyesopen.com>
4587
4588         * df.h: Tidy up whitespace in the definitions of the DF_ flags.
4589
4590 2004-04-03  Roger Sayle  <roger@eyesopen.com>
4591
4592         * fold-const.c (fold) <PLUS_EXPR>: Guard (-A)+B -> B-A transformation
4593         with reorder_operands_p.
4594
4595 2004-04-03  Jan Hubicka  <jh@suse.cz>
4596
4597         * md.texi (vec_set, vec_extract, vec_init): Document.
4598
4599 2004-04-02  Gabor Loki <loki@inf.u-szeged.hu>
4600
4601        * opts.c (decode_options): Do function inlining with very small
4602        max-inline-insns-* parameters when optimizing for size.
4603
4604 2004-04-02  Vladimir Makarov  <vmakarov@redhat.com>
4605
4606         * config/i386/i386.h (TARGET_NOCONA): New macro.
4607         (TARGET_CPU_CPP_BUILTINS): Add code for Nocona.
4608         (processor_type): Add PROCESSOR_NOCONA.
4609
4610         * config/i386/i386.md (cpu): Add nocona to the attribute values.
4611
4612         * config/i386/i386.c (nocona_cost): New variable.
4613         (m_NOCONA): New macro.
4614         (x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4615         x86_branch_hints, x86_use_sahf, x86_single_stringop,
4616         x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8,
4617         x86_integer_DFmode_moves, x86_partial_reg_dependency,
4618         x86_memory_mismatch_stall, x86_accumulate_outgoing_args,
4619         x86_decompose_lea, x86_arch_always_fancy_math_387,
4620         x86_sse_partial_reg_dependency, x86_sse_load0_by_pxor,
4621         x86_ext_80387_constants, x86_four_jump_limit):
4622         (override_options): Add nocona_cost to processor_target_table.
4623         Set up PROCESSOR_NOCONA for Nocona entry in processor_alias_table.
4624         (incdec_operand): Prevent inc/dec generation for Nocona too.
4625         (ix86_issue_rate): Add PROCESSOR_NOCONA.
4626
4627 2004-04-01  Andrew Pinski  <pinskia@physics.uc.edu>
4628
4629         * rtlanal.c (find_reg_note): Manually
4630         unswitch the loop.
4631
4632 2004-04-01  Mark Mitchell  <mark@codesourcery.com>
4633
4634         * genemit.c (gen_split): Change prototype of generated code.
4635         * genrecog.c (write_action): Adjust prototype for and calls to
4636         gen_split_*.
4637         * gensupport.c (struct queue_elem): Add split field.
4638         (queue_pattern): Return a value.  Clear the split field.
4639         (process_rtx): Maintain an association between an insn and the
4640         split generated from it for a define_insn_and_split.
4641         (process_one_cond_exec): Generate a new split for a
4642         define_insn_and_split.
4643         * config/arm/arm-protos.h (arm_split_constant): Add insn
4644         parameter.
4645         (emit_constant_insn): New function.
4646         (arm_gen_constant): Use it.
4647         * config/arm/arm.md: Adjust calls to arm_split_constant.
4648
4649 2004-04-02  Jan Hubicka  <jh@suse.cz>
4650
4651         * cgraph.c: Add overall comment.
4652         (cgraph_inline_hash): New global variable.
4653         (cgraph_create_node): Break out from ...
4654         (cgraph_node): ... here.
4655         (cgraph_edge): New function.
4656         (cgraph_create_edge): New CALL_EXPR argument; some sanity checking.
4657         (cgraph_remove_edge): Accept edge, intead of source and destination.
4658         (cgraph_redirect_edge_callee): New.
4659         (cgraph_remove_node): Update all new datastructures.
4660         (cgraph_record_call, cgraph_remove_call): Kill.
4661         (dump_cgraph_node): Break out from ... ; dump new datastructures.
4662         (dump_cgraph): ... here.
4663         (cgraph_function_possibly_inlined_p): Use new hashtable.
4664         (cgraph_clone_edge, cgraph_clone_node): New.
4665         * cgraph.h: Include hashtab.h
4666         (struct cgraph_global_info): Kill cloned_times, inline_once, will_be_output
4667         fields, add inlined_to pointer.
4668         (cgraph_node): Add pointer to next_clone.
4669         (cgraph_remove_edge, cgraph_create_edge): Update prototype.
4670         (cgraph_remove_call, cgraph_record_call): Kill.
4671         (cgraph_inline_hash): Declare.
4672         (dump_cgraph_node, cgraph_edge, cg4raph_clone_edge, cgraph_clone_node,
4673         cgraph_redirect_edge_callee): Declare.
4674         (cgraph_create_edges, cgraph_inline_p): Update prorotype.
4675         (cgraph_preserve_function_body_p, verify_cgraph, verify_cgraph_node,
4676         cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Declare.
4677         * cgraphunit.c: Add overall comment.
4678         (cgraph_optimize_function): Kill.
4679         (cgraph_assemble_pending_functions): Do not assemble inline clones.
4680         (cgraph_finalize_function): Update call of cgraph_remove_node
4681         (record_call_1): Record call sites.
4682         (cgraph_create_edges): Accept node instead of decl argument.
4683         (error_found): New static variable.
4684         (verify_cgraph_node_1, verify_cgraph_node, verify_cgraph): New functions.
4685         (cgraph_analyze_function): Update for new datastructures.
4686         (cgraph_finalize_compilation_unit): Plug memory leak.
4687         (cgraph_optimize_function): Kill.
4688         (cgraph_expand_function): Do not use cgraph_optimize_function.
4689         (INLINED_TIMES, SET_INLINED_TIMES, cgraph_inlined_into,
4690         cgraph_inlined_callees): Kill.
4691         (cgraph_remove_unreachable_nodes): Verify cgraph; update handling of
4692         clones.
4693         (estimate_growth): Simplify.
4694         (cgraph_clone_inlined_nodes): New function.
4695         (cgraph_mark_inline_edge): Re-implement.
4696         (cgraph_mark_inline): Likewise.
4697         (cgraph_check_inline_limits): Simplify.
4698         (cgraph_recursive_inlining_p): New.
4699         (update_callee_keys): Break out from ...
4700         (cgraph_decide_inlining_of_small_functions): ... here; simplify.
4701         (cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4702         Likewise.
4703         (cgraph_expand_all_functions):  Remove inline clones from the ordered
4704         list.
4705         (cgraph_preserve_function_body_p): New predicate.
4706         (cgraph_optimize): Verify cgraph.
4707         * function.h (struct function): Add fields saved_tree/saved_args.
4708         * timevar.def (TV_CGRAPH_VERIFY): Use verifier.
4709         * toplev.c (rest_of_compilation): Do not free cfun.
4710         * tree-inline.c: Include function.h
4711         (struct inline_data): Add saving_p field; replace decl/current_decl by
4712         node/current_node.
4713         (insert_decl_map): New function.
4714         (copy_body_r): Handle saving; update cgraph datastructure.
4715         (copy_body): Handle recursive inlining.
4716         (initialize_inlined_parameters): Likewise.
4717         (expand_call_inline): Propagate node attributes; update cgraph.
4718         (optimize_inline_calls): Verify that datastructure still match.
4719         (save_body): New function.
4720         * tree-inline.h (save_body): New.
4721         * tree-optimize.c (tree_rest_of_compilation): preserve function body; do inlining.
4722         * langhooks-def.c (LANG_HOOKS_UPDATE_DECL_AFTER_SAVING): New.
4723         * langhooks.c (lang_hooks): Add update_decl_after_saving.
4724
4725 2004-04-01  Serge Belyshev  <1319@bot.ru>
4726
4727         PR target/14702
4728         * config/i386/i386.md: fix source operand constraints in
4729         mmx_pshufw, sse2_pshufd, sse2_pshuflw, sse2_pshufhw
4730
4731 2004-04-01  Waldek Hebisch  <hebisch@math.uni.wroc.pl>
4732
4733         * fold-const.c (folda): Preserve types of comparisons.
4734
4735 2004-04-01  Richard Henderson  <rth@redhat.com>
4736
4737         * toplev.c (backend_init): Move init_optimization_passes call ...
4738         (lang_dependent_init): ... here.
4739
4740 2004-04-01  Alan Modra  <amodra@bigpond.net.au>
4741             Jakub Jelinek  <jakub@redhat.com>
4742
4743         * gcc.c (init_gcc_specs): If HAVE_LD_AS_NEEDED, link with
4744         -lgcc --as-needed -lgcc_s --no-as-needed by default.
4745         * configure.ac (HAVE_LD_AS_NEEDED): Check for ld --as-needed.
4746         * configure: Rebuilt.
4747         * config.in: Rebuilt.
4748         * Makefile.in (stage1-start): Copy also libgcc_s*$(SHLIB_EXT).
4749         (stage2-start, stage3-start, stage4-start): Likewise.
4750         (stageprofile-start, stagefeedback-start): Likewise.
4751
4752 2004-04-01  Jakub Jelinek  <jakub@redhat.com>
4753
4754         * config/sparc/sparc.h (DITF_CONVERSION_LIBFUNCS): Define to 0.
4755         * config/sparc/linux.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
4756         * config/sparc/linux64.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
4757         * config/sparc/sol2.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
4758         (SOLARIS_CONVERSION_LIBFUNCS): Rename to SUN_CONVERSION_LIBFUNCS.
4759         * config/sparc/sparc.c (sparc_init_libfuncs): Initialize optabs
4760         with _Q_qtoll, _Q_qtoull and _Q_lltoq if DITF_CONVERSION_LIBFUNCS.
4761         * config.gcc (sparc-*-linux*): Revert 2004-03-23 change.
4762         * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Likewise.
4763         * config/sparc/t-linux: Removed.
4764
4765 2004-04-01  Jakub Jelinek  <jakub@redhat.com>
4766
4767         PR c++/14755
4768         * fold-const.c (fold) <EQ_EXPR>: Properly compute newconst in
4769         "bitfld++ == const" to "++bitfld == const + incr" transformations.
4770
4771 2004-04-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4772
4773         * expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
4774         * stor-layout.c (layout_decl): Likewise.
4775         * tree.c (get_narrower): Likewise and also use BIT_FIELD_REF_UNSIGNED.
4776         * fold-const.c (make_bit_field_ref): Use BIT_FIELD_REF_UNSIGNED.
4777         * print-tree.c (print_node): Handle various used of unsigned_flag.
4778         * tree.def (BIT_FIELD_REF): Update comment.
4779         * tree.h (TREE_UNSIGNED): Deleted.
4780         (DECL_UNSIGNED, BIT_FIELD_REF_UNSIGNED): New macros.
4781
4782 2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4783
4784         * builtins.c, c-aux-info.c, c-common.c, c-cppbuiltin.c, c-decl.c:
4785         Change most occurrences of TREE_UNSIGNED to TYPE_UNSIGNED.
4786         * c-format.c, c-opts.c, c-pretty-print.c, c-typeck.c: Likewise.
4787         * calls.c, convert.c, dbxout.c, dojump.c, dwarf2out.c: Likewise.
4788         * expmed.c, expr.c, fold-const.c, function.c, integrate.c: Likewise.
4789         * optabs.c, sdbout.c, stmt.c, stor-layout.c, tree-dump.c: Likewise.
4790         * tree.c, config/iq2000/iq2000.c, config/m32r/m32r.c: Likewise.
4791         * config/mips/mips.c, config/rs6000/rs6000.c: Likewise.
4792         * config/s390/s390.c, config/sparc/sparc.c, objc/objc-act.c: Likewise.
4793         * stor-layout.c (layout_type, case COMPLEX_TYPE): Test for
4794         REAL_TYPE, not INTEGER_TYPE.
4795         (layout_type, case VECTOR_TYPE): Simplify code.
4796         * tree.c (build_vector_type_for_mode): Remove dup unsigned setting.
4797         * tree.h: Update comments.
4798         (STRIP_NOPS): Use TYPE_UNSIGNED.
4799         (TYPE_UNSIGNED): New macro.
4800         (TYPE_TRAP_SIGNED): Remove now redundant check.
4801         (SAVE_EXPR_NOPLACEHOLDER): Don't use TREE_UNSIGNED.
4802
4803 2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4804
4805         * function.c (put_var_into_stack): Properly set orig_reg for indirect.
4806
4807 2004-03-31  Andrew Pinski  <pinskia@physics.uc.edu>
4808
4809         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
4810         Add darwin-fpsave.asm, darwin-vecsave.asm,
4811         and darwin-world.asm.
4812         (TARGET_LIBGCC2_CFLAGS): Add -Wa,-force_cpusubtype_ALL
4813         as the asm files contain altivec instructions.
4814         * config/rs6000/darwin-fpsave.asm: New file.
4815         * config/rs6000/darwin-vecsave.asm: New file.
4816         * config/rs6000/darwin-world.asm: New file.
4817
4818 2004-03-31  Zack Weinberg  <zack@codesourcery.com>
4819
4820         * gengtype-yacc.y (option, stringseq): Add missing
4821         terminating semicolon.
4822
4823 2004-03-30  David Edelsohn  <edelsohn@gnu.org>
4824
4825         * config/rs6000/rs6000.md (tls_gd_32, tls_gd_64,
4826         tls_ld_32, tls_ld_64, tls_dtprel_32, tls_dtprel_64,
4827         tls_dtprel_ha_32, tls_dtprel_ha_64,
4828         tls_dtprel_lo_32, tls_dtprel_lo_64,
4829         tls_got_dtprel_64, tls_tprel_32, tls_tprel_64,
4830         tls_tprel_ha_32, tls_tprel_ha_64,
4831         tls_tprel_lo_32, tls_tprel_lo_64,
4832         tls_got_tprel_32, tls_got_tprel_64,
4833         tls_tls_32, tls_tls_64): Replace register_operand with
4834         gpc_reg_operand.
4835
4836 2004-03-30  Mostafa Hagog  <mustafa@il.ibm.com>
4837
4838         * config/rs6000/rs6000.md (*ctrsi_internal1, *ctrsi_internal2,
4839         *ctrdi_internal1, *ctrdi_internal2, *ctrsi_internal3,
4840         *ctrsi_internal4, *ctrdi_internal3, *ctrdi_internal4,
4841         *ctrsi_internal5, *ctrsi_internal6, *ctrdi_internal5,
4842         *ctrdi_internal6): Replace register_operand with
4843         nonimmediate_operand.
4844
4845 2004-03-29  Fariborz Jahanian <fjahanian@apple.com>
4846
4847         * fold-const.c (fold): Reassociate multiply expression
4848         with an adjacent non-multiply expression to use
4849         architecture's multiply-add instruction.
4850
4851 2004-03-30  Zack Weinberg  <zack@codesourcery.com>
4852
4853         * gengtype.c (create_option): New function.
4854         * gengtype.h: Prototype it.
4855         * gengtype-yacc.y (stringseq): New rule.
4856         (option): Use create_option.  Add new bare ID production.  Use
4857         stringseq, not STRING directly.
4858
4859         * alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
4860         * dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
4861         * varray.h, config/alpha/alpha.c:
4862         Use new shorter form of GTY markers.
4863
4864         * doc/gty.texi: Rewrite.
4865
4866 2004-03-30  Andrew Pinski  <pinskia@physics.uc.edu>
4867
4868         * config/darwin.c (machopic_function_base_name):
4869         Remove current_name and getting the name of the
4870         current function.
4871
4872 2004-03-30  Nick Clifton  <nickc@redhat.com>
4873
4874         * config/arm/arm.md (thumb_jump): Reduce the backward branch
4875         range, and increase the forward branch range, to allow for
4876         the fact that the PC will be off by 4.
4877
4878 2004-03-30  Alan Modra  <amodra@bigpond.net.au>
4879
4880         * .cvsignore: Add GPATH, GRTAGS, GSYMS and GTAGS (GNU GLOBAL)
4881
4882 2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>
4883
4884         * config/rs6000/rs6000.c (output_vec_const_move):
4885         Find all cases of EASY_VECTOR_15_ADD_SELF.
4886         (easy_vector_constant_add_self): Accept
4887         all vector constant loadable by vsplt* and vadd*.
4888         (easy_vector_same): Use easy_vector_splat_const.
4889         (easy_vector_const): Use easy_vector_splat_const.
4890         (easy_vector_splat_const): New function.
4891         (gen_easy_vector_constant_add_self): New function.
4892
4893         * config/rs6000/rs6000-protos.c (gen_easy_vector_constant_add_self):
4894         New prototype.
4895
4896         * config/rs6000/altivec.md (movv4si splitter): Change to
4897         emit move insn with halfed vector constant.
4898         (*movv8hi splitter): Likewise.
4899         (*movv16qi splitter): Likewise.
4900
4901 2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>
4902
4903         PR 11591
4904         * config/rs6000/rs6000.c (rs6000_legitimate_address):
4905         Allow any offset to argument pointer in no-strict case.
4906
4907 2004-03-30  Jan Hubicka  <jh@suse.cz>
4908
4909         * toplev.c (backend_init): Add missing call to inint_optimization_passes.
4910         * passes.c (init_optimization_passes, finish_optimization_passes): Output cgraph
4911         dump file in non-unit-at-a-time mode.
4912
4913 2004-03-29  Hans-Peter Nilsson  <hp@axis.com>
4914
4915         * config/cris/cris.h: Correct #ifdef to test for
4916         HAVE_AS_NO_MUL_BUG_ABORT_OPTION, not
4917         HAVE_AS_MUL_BUG_ABORT_OPTION.
4918
4919 2004-03-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4920
4921         * function.c (put_var_into_stack): If old RTL was ADDRESSOF, update
4922         the address inside the old RTL.
4923
4924 2004-03-28  Zack Weinberg  <zack@codesourcery.com>
4925
4926         * c-decl.c: Verify that C_SIZEOF_STRUCT_LANG_IDENTIFIER is correct.
4927         (struct c_binding, struct c_scope): Add chain_next
4928         attributes to GTY markers.
4929         (struct lang_identifier, struct lang_tree_node): Define
4930         here...
4931         * c-tree.h: ... not here.  No longer need to declare struct
4932         c_binding either.  Do define C_SIZEOF_STRUCT_LANG_IDENTIFIER.
4933         * c-lang.c, objc/objc-lang.c: Set LANG_HOOKS_IDENTIFIER_SIZE
4934         to C_SIZEOF_STRUCT_LANG_IDENTIFIER.
4935
4936         PR 14734, 11944
4937         * c-decl.c (get_parm_info): If error_mark_node is encountered
4938         in the bindings chain, unbind and discard it; don't abort.
4939
4940 2004-03-28  Olga Golovonevsky <olga@il.ibm.com>
4941             Dorit Naishlos <dorit@il.ibm.com>
4942
4943         * config/rs6000/altivec.md: (andvv16qi3, andv8hi3, one_cmplv16qi2,
4944         one_cmplv8hi2, one_cmplv4si2, iorv16qi3, iorv8hi3,): New modelling.
4945
4946 2004-03-28  Stephane Carrez  <stcarrez@nerim.fr>
4947
4948         * config/m68hc11/m68hc11-protos.h (m68hc11_page0_symbol_p): Declare.
4949
4950         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute): New.
4951         (m68hc11_attribute_table): New attribute "page0" to mark a global
4952         variable as being allocated from within page0 section.
4953         (m68hc11_encode_label): New function.
4954         (m68hc11_strip_name_encoding): New function.
4955         (m68hc11_page0_symbol_p): New function.
4956         (m68hc11_indirect_p): Accept global variables marked in page0.
4957         (m68hc11_encode_section_info): Lookup "page0" attribute.
4958
4959         * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): 'R' constraint also
4960         represents access to page0 variables.
4961
4962         * config/m68hc11/m68hc11.md ("*logicalsi3_zexthi"): Use gen_rtx_REG.
4963         ("*logicalsi3_silshl16_zext"): Likewise.
4964         ("*ashldi3_const32"): Likewise.
4965         (peephole2 ashift): Likewise.
4966
4967 2004-03-28  Joseph S. Myers  <jsm@polyomino.org.uk>
4968
4969         * c-tree.h (C_DECL_REGISTER): New.
4970         * c-aux-info.c (gen_decl), c-decl.c (objc_mark_locals_volatile,
4971         finish_decl, grokdeclarator, get_parm_info), c-typeck.c
4972         (build_array_ref, c_mark_addressable): Set and use it.
4973         * c-decl.c (grokdeclarator), c-typeck.c (c_mark_addressable):
4974         Allow structures with volatile fields to be declared register.
4975         Don't check TREE_ADDRESSABLE before warning about taking address
4976         of register.
4977         * c-decl.c (finish_decl): Don't allow structures with volatile
4978         fields to be placed in named register.
4979         * doc/trouble.texi: Remove reference to structures with volatile
4980         fields in registers.
4981
4982 2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>
4983
4984         * function.c (thread_prologue_and_epilogue): Move
4985         NOTE_INSN_FUNCTION_END and NOTE_INSN_FUNCTION_BEG notes
4986         before the epilogue.
4987
4988 2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>
4989
4990         * expr.c (store_constructor): Use gen_int_mode to correctly
4991         sign-extend CONST_INT value.
4992
4993 2004-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4994
4995         * builtin-types.def (BT_WINT, BT_FN_INT_WINT, BT_FN_WINT_WINT): New.
4996         * builtins.def (DEF_C94_BUILTIN): New.  Add wctype builtins.
4997         * doc/extend.texi: Likewise.
4998
4999 2004-03-26  Diego Novillo  <dnovillo@redhat.com>
5000
5001         * c-typeck.c (comptypes): Replace calls to TYPE_DOMAIN
5002           with TYPE_ORIG_SIZE_TYPE.
5003
5004 2004-03-25  Aldy Hernandez  <aldyh@redhat.com>
5005
5006         PR 14219
5007         * c-typeck.c (build_binary_op): Do not allow comparisons of
5008         vectors.
5009
5010 2004-03-26  James A. Morrison  <ja2morri@uwaterloo.ca>
5011
5012         * config.gcc: Remove sparc-tti-*.
5013         * config/sparc/pbd.h: Delete.
5014
5015         * config/sparc/sol2.h: Remove note about Sun OS 4.x.
5016         * config/sparc/aout.h: Likewise.
5017
5018         * config/sparc/sparc.h: Remove if 0'd code.
5019         * config/sparc/sparc.md (call): Remove if 0'd code.
5020         (call_value): Likewise.
5021         (nonlocal_goto): Likewise.
5022         (unimp_insn): Delete.
5023
5024 2004-03-25  Roger Sayle  <roger@eyesopen.com>
5025
5026         * fold-const.c (tree_expr_nonnegative_p): Handle BIT_XOR_EXPR like
5027         BIT_IOR_EXPR; A^B is nonnegative when A and B are nonnegative.
5028
5029 2004-03-25  Richard Henderson  <rth@redhat.com>
5030
5031         PR 11527
5032         * c-typeck.c (pop_init_level): Emit pending init elements earlier
5033         rather than later.
5034
5035 2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5036
5037         * builtins.c (fold_builtin): Fix error in last change.
5038
5039 2004-03-25  Richard Sandiford  <rsandifo@redhat.com>
5040
5041         * config/mips/mips.h: Formatting fix.
5042
5043 2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5044
5045         * builtins.def: Add ctype builtins.
5046         * doc/extend.texi: Likewise.
5047
5048 2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5049
5050         * builtins.c (fold_builtin): Add new builtin optimizations for
5051         sqrt and/or cbrt.
5052         * fold-const.c (fold): Likewise.
5053
5054 2004-03-25  David Edelsohn  <edelsohn@gnu.org>
5055
5056         * config/rs6000/rs6000.c (rs6000_always_hint): New variable.
5057         (rs6000_sched_groups): New variable.
5058         (processor_target_table): Add power5.
5059         (rs6000_override_options): Set rs6000_sched_insert_nops,
5060         rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
5061         from rs6000_sched_groups.
5062         (output_cbranch): Use rs6000_always_hint.
5063         (rs6000_variable_issue): Use rs6000_sched_groups.
5064         (rs6000_adjust_cost): Add CPU_POWER5.
5065         (is_microcoded_insn): Use rs6000_sched_groups.
5066         (is_dispatch_slot_restricted): Use rs6000_sched_groups.
5067         Return 2 for POWER5 cracked instructions.
5068         (is_cracked_insn): Use rs6000_sched_groups.
5069         (is_branch_slot_insn): Use rs6000_sched_groups.
5070         (rs6000_issue_rate): Add CPU_POWER5.
5071         (rs6000_sched_finish): Use rs6000_sched_groups.
5072         (rs6000_rtx_costs): Add PROCESSOR_POWER5.
5073         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
5074         (DEFAULT_SCHED_COSTLY_DEP): Delete.
5075         (DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
5076         (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
5077         * config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
5078         * config/rs6000/power5.md: New file.
5079         * doc/invoke.texi: Add power5 option.
5080
5081 2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5082
5083         * cfgrtl.c, dbxout.c, tree.def, config/darwin.h,
5084         config/arm/arm.c, objc/objc-act.c: Fix comment typos.
5085         * doc/invoke.texi: Fix a typo.
5086
5087 2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5088
5089         PR optimization/9707.
5090         * stmt.c (emit_case_nodes): Emit equality comparisons instead
5091         of recursing if both children are single-valued cases with no
5092         children.
5093
5094 2004-03-25  Paul Brook  <paul@codesourcery.com>
5095
5096         * config/arm/arm.c (vfp_print_multi): Remove.
5097         (arm_output_fldmx): New function.
5098         (vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
5099         (arm_expand_prologue): Update to match.
5100         (arm_get_vfp_saved_size): New Function.
5101         (arm_get_frame_offsets): Use it.
5102         (arm_output_epilogue): Use new functions.
5103
5104 2004-03-24  Richard Henderson  <rth@redhat.com>
5105
5106         * alias.c (alias_invariant, alias_invariant_size): Mark GTY.
5107         (reg_known_value, reg_known_value_size): Likewise; make static.
5108         (reg_known_equiv_p): Make static.
5109         (clear_reg_alias_info): Update for new indexing.
5110         (get_reg_known_value, set_reg_known_value): New.
5111         (get_reg_known_equiv_p, set_reg_known_equiv_p): New.
5112         (canon_rtx): Use them.
5113         (init_alias_analysis): Likewise.  Allocate reg_known_value with gc.
5114         Don't play queer offsetting games with reg_known_value and
5115         reg_known_equiv_p.
5116         (end_alias_analysis): Free reg_known_value with gc.
5117         * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
5118         * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
5119         (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
5120         functions instead.
5121
5122 2004-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5123
5124         * dwarf2asm.c, loop.h, pretty-print.c, pretty-print.h,
5125         config/i386/mmintrin.h: Update copyright.
5126
5127 2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>
5128
5129         * configure.ac: Add --enable-werror-always (for top level bootstrap
5130         support).
5131         * configure: Regenerate.
5132
5133 2004-03-24  Ziemowit Laski  <zlaski@apple.com>
5134
5135         * objc/objc-act.c (objc_comptypes): Treat comparisons
5136         between 'Class' and '<class> *' as explicitly invalid.
5137
5138 2004-03-24  David Edelsohn  <edelsohn@gnu.org>
5139
5140         * doc/invoke.texi (-frename-registers): Add enabled at -O3.
5141         (-fprofile-values): Add enabled with profile-{generate,use}.
5142         (-fvpt): Same.
5143         (-ftracer): Add enabled with profile-use.
5144         (-funit-at-a-time): Add enabled at -O2,-O3.
5145         (-funroll-loops): Add enabled with profile-use.
5146         (-funswitch-loops): Add enabled with profile-use.  Remove duplicates.
5147         (max-gcse-passes): Mention default.
5148         (max-cse-path-length): Mention default.
5149
5150 2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>
5151
5152         * Makefile.in (STRICT2_WARN): Reorder.
5153         * configure.ac: Check for -Wold-style-definition, and use it
5154         in strict1_warn if it's available.
5155         * configure: Regnerate.
5156
5157 2004-03-24  Paul Brook  <paul@nowt.org>
5158
5159         * config.gcc <arm>: Add --with-abi=
5160         * config/arm/arm-protos.h (arm_get_frame_size, thumb_get_frame_size,
5161         thumb_far_jump_used): Remove prototypes.
5162         (arm_needs_doubleword_align): Add prototype.
5163         (thumb_compute_initial_elimination_offset): Ditto.
5164         * config/arm/arm.c (arm_get_frame_offsets): New function.
5165         (use_return_insn, output_return_instruction, arm_output_epilogue,
5166         arm_output_function_epilogue, arm_compute_initial_elimination_offset,
5167         arm_expand_prologue, thumb_expand_epilogue): Use it.
5168         (arm_abi, target_abi_name, all_arm_abis): New variables.
5169         (arm_override_options): Set them.  Set structure padding for AAPCS.
5170         (arm_return_in_memory): Update ABI check.
5171         (arm_init_cumulative_args): Initialize can_split.
5172         (arm_needs_doubleword_align): New function.
5173         (arm_function_arg): Don't split args after pushing to stack. Handle
5174         doubleword/even reg alignment.
5175         (arm_va_arg): Handle all doubleword aligned args.
5176         (add_minpoolforward ref, dump_minpool, push_minpool_fix): Align based
5177         on ABI, not CPU.
5178         (arm_compute_save_reg0_reg12_mask): Fix comment.
5179         (thumb_get_frame_size, thumb_get_frame_size): Remove.
5180         (thumb_jump_far_used_p): Remove superfluous argument.  Return save
5181         value for alignment.
5182         (thumb_unexpanded_epilogue, thumb_output_function_prologue): Change
5183         to match.
5184         (thumb_compute_initial_elimination_offset): New function.
5185         (thumb_expand_prologue): Use arm_get_frame_offsets.  Remove
5186         unneccessary rounding.
5187         * config/arm/arm.h (target_abi_name): Declare.
5188         (ARM_DOUBLEWORD_ALIGN, DOUBLEWORD_ALIGNMENT, TARGET_IWMMXT_ABI,
5189         arm_abi_type, ARM_DEFAULT_ABI): Define.
5190         (ARM_FLAG_ATPCS): Remove.
5191         (TARGET_OPTIONS, OPTION_DEFAULT_SPECS): Add -mabi=.
5192         (BIGGEST_ALIGNMENT, PREFERRED_STACK_BOUNDARY, STACK_BOUNDARY): Use it.
5193         (ADJUST_FIELD_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT,
5194         TYPE_NEEDS_IWMMXT_ALIGNMENT): Remove.
5195         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P):
5196         Contitionalize on ABI, not CPU.
5197         (struct arm_stack_offsets): Define.
5198         (struct machine_function): Add stack_offsets.  Remove frame_size.
5199         (FUNCTION_ARG_PARTIAL_NREGS): Don't split if previous args have been
5200         pushed.
5201         (FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY): Handle general
5202         doubleword alignment.
5203         (THUMB_INITIAL_ELIMINATION_OFFSET,
5204         ARM_INITIAL_ELIMINATION_OFFSET): Remove.
5205         (INITIAL_ELIMINATION_OFFSET): Call functions directly.
5206         * config/arm/arm.md (align_8): Enable for all targets.
5207         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Remove TARGET_ATPCS.
5208         (ARM_DEFAULT_ABI): Define.
5209         * doc/invoke.texi <ARM>: Document -mabi=. Update documentation for
5210         -mstructure-size-boundary.
5211
5212 2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>
5213
5214         * configure.ac: Check for -Wno-variadic-macros; don't use
5215         -pedantic (in stage 1 or a simple 'make all') unless it's available,
5216         and if it's available, use it.  Also, clean up check for
5217         -Wno-long-long.
5218         * configure: Regenerate.
5219
5220 2004-03-24  Richard Sandiford  <rsandifo@redhat.com>
5221
5222         * config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
5223         * config/mips/vr.h (DEFAULT_VR_ARCH): New macro, defined to vr4130.
5224         (MULTILIB_DEFAULTS): Use it.
5225         (MIPS_CPU_STRING_DEFAULT): Remove.
5226         (MIPS_ABI_DEFAULT, MIPS_MARCH_CONTROLS_SOFT_FLOAT): Define.
5227         (DRIVER_SELF_SPECS): Make -mfix-vr4122-bugs imply -march=vr4120.  Make
5228         EABI64 -mlong32 the default ABI.  Enforce the default architecture.
5229         * config/mips/t-vr (MULTILIB_OPTIONS): Add mfix-vr4122-bugs,
5230         march=vr4130, march=vr4300, march=vr5000 and march=vr5500.
5231         (MULTILIB_MATCHES): Use -mfix-vr4122-bugs multilibs for -march=vr4120.
5232         (MULTILIB_EXCEPTIONS): Change choice of multilibs.  Update comments
5233         accordingly.
5234
5235 2004-03-24  DJ Delorie  <dj@redhat.com>
5236             Richard Sandiford  <rsandifo@redhat.com>
5237
5238         * config/mips/mips.h (MASK_FIX_VR4122, TARGET_FIX_VR4122): New macros.
5239         (TARGET_SWITCHES): Add -mfix-vr4122-bugs and -mno-fix-vr4122-bugs.
5240         (ASM_SPEC): Pass down -mfix-vr4122-bugs.
5241         * config/mips/mips.c (mips_avoid_hazards): Don't emit whole functions
5242         in .set noreorder and .set nomacro if TARGET_FIX_VR4122.
5243         (mips_init_libfuncs): Use special functions for divsi3 and modsi3
5244         if TARGET_FIX_VR4122.
5245         * config/mips/mips.md (define_attr length): Account for nops inserted
5246         after macc and dmult when using -mfix-vr4122-bugs.
5247         (umuldi3_highpart, divmodsi4, divmoddi4): Disable if TARGET_FIX_VR4122.
5248         * config/mips/t-vr (LIB2FUNCS_STATIC_EXTRA): Define instead of
5249         LIB2FUNCS_EXTRA.  Add config/mips/vr4122-div.S.
5250         * config/mips/vr4122-div.S: New file.
5251         * doc/invoke.texi: Document -mfix-vr4122-bugs.
5252
5253 2004-03-24  Richard Sandiford  <rsandifo@redhat.com>
5254
5255         * config/mips/mips.h (PROCESSOR_R4130): New processor_type.
5256         (TARGET_MIPS4130): New macro.
5257         (ISA_HAS_MACC): Return true if TARGET_MIPS4130 && !TARGET_MIPS16.
5258         * config/mips/mips.c (mips_cpu_info_table): Add a vr4130 entry.
5259         (override_options): Extend MIPS_MARCH_CONTROLS_SOFT_FLOAT to deal
5260         with PROCESSOR_R4130.
5261         * config/mips/mips.md (define_attr cpu): Add r4130.
5262         * doc/invoke.texi: Document vr4130 as a supported MIPS architecture.
5263
5264 2004-03-24  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
5265             Richard Sandiford  <rsandifo@redhat.com>
5266
5267         * doc/invoke.texi: Apply missed hunk from 2004-03-03 change.
5268
5269 2004-03-24  Alexandre Oliva  <aoliva@redhat.com>
5270
5271         PR preprocessor/14438
5272         * cpplib.c (do_pragma): Remove line_change call after pragma
5273         handler.
5274
5275 2004-03-23  Ian Lance Taylor  <ian@wasabisystems.com>
5276
5277         * doc/extend.texi (ARM Built-in Functions): Replace with correct
5278         declarations.
5279
5280 2004-03-23  Roger Sayle  <roger@eyesopen.com>
5281
5282         * reg-stack.c (get_true_reg): Handle FLOAT_TRUNCATE like FLOAT_EXTEND
5283         if flag_unsafe_math_optimizations.
5284         * config/i386/i386.md (truncdfsf2): If flag_unsafe_math_optimizations
5285         and TARGET_80387 expand using truncdfsf2_noop pattern.
5286         (truncxfsf2): Likewise using truncxfsf2_noop.
5287         (truncxfdf2): Likewise using truncxfdf2_noop.
5288         (truncdfsf2_noop, truncxfsf2_noop, truncxfdf2_noop): New patterns.
5289
5290 2004-03-23  Ziemowit Laski  <zlaski@apple.com>
5291
5292         * hooks.c (hook_constcharptr_tree_null): New hook.
5293         * hooks.h (hook_constcharptr_tree_null): New prototype.
5294         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): New target hook.
5295         * target.h (mangle_fundamental_type): New target hook.
5296         * config/rs6000/rs6000.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Point
5297         target hook at rs6000_mangle_fundamental_type.
5298         (rs6000_mangle_fundamental_type): New function.
5299         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Document.
5300
5301 2004-03-23  Zack Weinberg  <zack@codesourcery.com>
5302
5303         PR 12267, 12391, 12560, 13129, 14114, 14133
5304         * c-tree.h: Forward declare struct c_binding.  Declare
5305         c_override_bindings_to_false.  Update prototypes.
5306         (struct lang_identifier): Update comments.  Change fields to be
5307         struct c_binding *.
5308         (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE)
5309         (IDENTIFIER_LABEL_VALUE, C_DECL_INVISIBLE)
5310         (KEEP_NO, KEEP_YES, KEEP_MAYBE): Delete.
5311         (C_DECL_IN_EXTERNAL_SCOPE, C_DECL_DECLARED_BUILTIN): New.
5312         * c-common.h: Update prototypes.
5313         * c-decl.c (struct c_scope): Update commentary.  Remove names,
5314         names_last, parms, parms_last, tags, and shadowed fields.  Add
5315         bindings and depth fields.
5316         (scope_freelist): Move to more appropriate location.
5317         (c_print_identifier): Update for changes to struct lang_identifier.
5318         (objc_mark_locals_volatile): Update for new bindings structures.
5319         (global_bindings_p): Honor c_override_global_bindings_to_false.
5320         (pushlevel): Rename to push_scope; take no arguments; use the
5321         scope_freelist; initialize scope->depth and check for overflow.
5322         (poplevel): Rename to pop_scope; totally rewritten for new bindings
5323         structures.
5324         (diagnose_mismatched_decls): Use C_DECL_DECLARED_BUILTIN, not
5325         C_DECL_INVISIBLE, for certain decisions.  Adjust some diagnostics.
5326         Improve some commentary.  Adjust handling of forward parm decls.
5327         (merge_decls): Set C_DECL_DECLARED_BUILTIN when appropriate.
5328         Preserve C_DECL_IN_EXTERNAL_SCOPE.
5329         (warn_if_shadowing): Correct indentation.  Improve diagnostics.
5330         (pushdecl): Remove unnecessary assertion.  Short-circuit anonymous
5331         decls.  Rewrite for new bindings structures.  Improve commentary.
5332         Eliminate the copy_node call.
5333         (implicit_decl_warning): Use the "diag" idiom (as seen in
5334         locate_old_decl) to reduce code duplication; call locate_old_decl
5335         if appropriate.  Relocate to remove need for forward declaration.
5336         (implicitly_declare): Adjust for new bindings structures.  Kludge
5337         around Objective-C not-really-builtin functions.
5338         (undeclared_variable): Improve diagnostics.  If current_function_decl
5339         is nonnull but current_function_scope is null, use current_scope.
5340         Use bind.
5341         (lookup_tag): Adjust for new bindings structures.  Kludge around
5342         Objective-C's tag declarations that wind up in the external scope.
5343         (lookup_name): Adjust for new bindings structures.  Kludge around
5344         c-common.c's pseudo-typedefs that wind up in the external scope.
5345         (lookup_name_current_level): Rename lookup_name_in_scope; take a
5346         second argument indicating the scope to examine; rewrite for
5347         new bindings structures.
5348         (c_init_decl_processing): Adjust for renamed functions.  Do not
5349         initialize current_file_decl, first_builtin_decl, last_builtin_decl.
5350         First scope pushed is the external scope, not the global scope.
5351         (builtin_function): Use bind, not pushdecl.  Adjust other bits
5352         for new data structures.  Keep track of builtins that should be
5353         made visible automatically.
5354         (start_decl): Adjust diagnostics.  Remove unnecessary call to
5355         expand_decl.
5356         (grokparms): Return 0 if arg_types is error_mark_node.
5357         (get_parm_info): Rename "void_at_end" argument to "ellipsis", with
5358         reversed sense.  Rewrite for new bindings structures.  Do not
5359         leave any decls in the scope, to prevent pop_scope from doing
5360         contradictory things with them.
5361         (finish_struct, finish_enum): Remove redundant diagnostics.
5362         (build_enumerator): Don't cascade diagnostics for error_mark_node.
5363         Mark location where -pedantic changes the meaning of the program.
5364         (store_parm_decls_newstyle, store_parm_decls_oldstyle): Load the
5365         parameter decls into the function's scope structure using bind.
5366         Warn here about function definitions in the wrong style.
5367         Adjust diagnostics.
5368         (store_parm_decls): Correct the determination of whether a
5369         function was defined with a prototype.
5370         (c_write_global_declarations): Operate on all file decls and on
5371         the external scope.  Split body of the loop to...
5372         (c_write_global_declarations_1): ... this new function, to avoid
5373         code duplication.
5374         (truly_local_externals, first_builtin_decl, last_builtin_decl)
5375         (make_scope, pop_scope, in_parm_level_p, set_block)
5376         (any_external_decl, record_external_decl, bind_label, getdecls)
5377         (link_hash_hash, link_hash_eq, merge_translation_unit_decls)
5378         (c_reset_state): Delete.
5379         (visible_builtins, c_override_global_bindings_to_false)
5380         (c_binding, I_SYMBOL_BINDING, I_SYMBOL_DECL, I_TAG_BINDING)
5381         (I_TAG_DECL, I_LABEL_BINDING, I_LABEL_DECL, file_scope)
5382         (external_scope, binding_freelist, bind, free_binding_and_advance)
5383         (push_file_scope, pop_file_scope): New.
5384         (pushtag, pushdecl_top_level, lookup_label, declare_label)
5385         (define_label, c_make_fname_decl, finish_decl)
5386         (mark_forward_parm_decls, build_compound_literal)
5387         (grokdeclarator, start_function, check_for_loop_decls)
5388         (identifier_global_value, record_builtin_type): Minor adjustments
5389         for new bindings structures.  Improve diagnostics and commentary.
5390         * c-objc-common.c (start_cdtor, finish_cdtor): Adjust calls to
5391         pushlevel/poplevel respectively.
5392         (c_objc_common_finish_file): Don't call merge_translation_unit_decls.
5393         * c-opts.c (c_common_parse_file): Remove spurious ATTRIBUTE_UNUSED.
5394         Warn about YYDEBUG not being defined only if -dy.  Remove no-longer-
5395         correct loop over multiple translation units; call fatal_error if
5396         requested to compile more than one file at once.  (This disables
5397         IMA temporarily - an up-front error being preferable to a crash.)
5398         * c-parse.in (pushlevel, poplevel rules): Rename push_scope, pop_scope.
5399         (all actions): Adjust calls to pushlevel/poplevel.
5400         (parsing_iso_function_signature): Delete.
5401         (extdef_1): Fold into extdef.
5402         (old_style_parm_decls_1): Fold into old_style_parm_decls.  Don't
5403         warn here about function definitions in the wrong style.
5404         (after_tyle_declarator, parm_declarator_starttypename)
5405         (parm_declarator_nostarttypename, notype_declarator): Remove
5406         commented-out productions.
5407         (parmlist_1, parmlist_2): Use make_node, not tree_cons, to create
5408         an empty TREE_LIST node.  Adjust calls to get_parm_info.
5409         (parmlist_2 : ELLIPSIS): Tag the arg-info block with error_mark_node
5410         to suppress -Wold-style-definition after this error.
5411         (c_parse_file): Don't clear the binding stack or call
5412         finish_fname_decls here.  Correct comment.
5413         * c-typeck.c (same_translation_unit_p): Export.
5414         (common_type): Use c_override_global_bindings_to_false, not
5415         pushlevel/poplevel/declare_parm_level.
5416         * c-lang.c: Override LANG_HOOKS_CLEAR_BINDING_STACK,
5417         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK,
5418         and LANG_HOOKS_GETDECLS with do-nothing stubs.
5419         * objc/objc-lang.c: Likewise.
5420         * objc/objc-act.c: Adjust all calls to pushlevel, poplevel,
5421         get_parm_info.
5422         (OBJC_VOID_AT_END): Delete; replace all uses
5423         with void_list_node.
5424         (generate_forward_declaration_to_string_table): Delete.
5425         * objc/objc-act.h (OCTI_STRG_DECL, UOBJC_STRINGS_decl): Delete.
5426
5427         * coverage.c (create_coverage): Don't pushdecl anything.
5428         * langhooks.c (lhd_clear_binding_stack): Call
5429         lang_hooks.decls.poplevel, not poplevel.
5430         * tree.c (list_length): If ENABLE_TREE_CHECKING, abort on a
5431         circular list rather than going into an infinite loop.
5432
5433 2004-03-23  Olivier Hainque  <hainque@act-europe.fr>
5434
5435         * optabs.c (expand_binop): When synthesizing double word rotates
5436         from single word shifts, use a new register target if the provided
5437         target is not a REG already.
5438
5439 2004-03-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5440
5441         * alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.
5442         * c-common.c (handle_mode_attribute): Add extra arg to
5443         build_pointer_type_for_mode and build_reference_type_for_mode.
5444         * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW
5445         for INTEGER_CST.
5446         * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL.
5447         Chain pointers via TYPE_NEXT_PTR_TO.
5448         (build_reference_type_for_mode): Similarly.
5449         (build_type_no_quals): Add extra arg to build_pointer_type_for_mode
5450         and build_reference_type_for_mode.
5451         (tree_check4_failed): New function.
5452         * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros.
5453         (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise.
5454         (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW):
5455         Add check.
5456
5457 2004-03-23  Roger Sayle  <roger@eyesopen.com>
5458
5459         * fold-const.c (tree_expr_nonnegative_p): A&B is nonnegative when
5460         A is nonnegative or B is nonnegative.  Similarly A|B is nonnegative
5461         when both A and B are nonnegative.
5462         (tree_expr_nonzero_p): A|B is nonzero when A is nonzero or B is
5463         nonzero.
5464
5465 2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5466
5467         * fold-const.c (fold): Remove cases for INTEGER_CST, REAL_CST,
5468         VECTOR_CST, STRING_CST, COMPLEX_CST, and CONSTRUCTOR.
5469
5470 2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5471
5472         PR optimization/14669
5473         * fold-const.c (fold): Only unwiden integer comparisons for equality
5474         and inequality operators, or when the signedness doesn't change.
5475
5476 2004-03-23  Jakub Jelinek  <jakub@redhat.com>
5477
5478         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5479         * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Set.
5480         * config/sparc/t-linux: New file.
5481
5482 2004-03-23  Richard Sandiford  <rsandifo@redhat.com>
5483
5484         * gcse.c (can_assign_to_reg_p): New function, split out from...
5485         (want_to_gcse_p): ...here.
5486         (compute_ld_motion_mems): Use can_assign_to_reg_p to validate
5487         the rhs of a store.
5488
5489 2004-03-22  Diego Novillo  <dnovillo@redhat.com>
5490
5491         * c-typeck.c (same_translation_unit_p): Fix pasto.
5492
5493 2004-03-22  David Edelsohn  <edelsohn@gnu.org>
5494
5495         * params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
5496         (PARAM_MAX_SCHED_REGION_INSNS): New.
5497         * sched-rgn.c: Include params.h
5498         (MAX_RGN_BLOCKS): Delete.
5499         (MAX_RGN_INSNS): Delete.
5500         (too_large): Return bool.  Convert to PARAM_VALUE.
5501         * Makefile.in (sched-rgn.o): Depend on $(PARAMS_H).
5502         * doc/invoke.texi (param): Document max-sched-region-blocks and
5503         max-sched-region-insns.
5504
5505 2004-03-22  Joel Brobecker  <brobecker@gnat.com>
5506
5507         * dwarf2out.c (is_subrange_type): Do not emit a subrange_type DIE
5508         for base types.
5509
5510 2004-03-22  Joel Brobecker  <brobecker@gnat.com>
5511
5512         * dwarf2out.c (is_subrange_type): Minor code rework. No behavior
5513         change.
5514
5515 2004-03-22  Jakub Jelinek  <jakub@redhat.com>
5516
5517         PR c/14069
5518         * c-decl.c (finish_struct): Change type of incorrect flexible array
5519         field into error_mark_node.
5520
5521 2004-03-22  Andrew Pinski  <pinskia@physics.uc.edu>
5522
5523         PR target/14580
5524         * config/rs6000/rs6000.c (symbol_ref_operand): Reject symbols
5525         who are not local for Darwin PIC.
5526
5527 2004-03-22  Ulrich Weigand  <uweigand@de.ibm.com>
5528
5529         * regrename.c (regrename_optimize): Set regs_ever_live for all
5530         registers introduced as replacement.
5531
5532 2004-03-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5533
5534         PR middle-end/14470
5535         * expr.c (mark_queue): New function.
5536         (emit_insns_enqueued_after_mark): New function replacing
5537         emit_queue.  Clear the body of emitted queued insns.
5538         (emit_queue): Call emit_insns_enqueued_after_mark.
5539         (store_expr): Mark the increment queue on entry.  Emit
5540         only the incrementations queued when expanding the source.
5541
5542 2004-03-22  Nathanael Nerode  <neroden@gcc.gnu.org>
5543
5544         * configure.ac: Allow --disable-coverage-flags (for the future benefit
5545         of top level bootstrap, and consistency).  Reindent.
5546         * configure: Regenerate.
5547
5548 2004-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5549
5550         * bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
5551         ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
5552         unnecessary casts.
5553
5554 2004-03-22  Danny Smith  <dannysmith@users.sourceforge.net>
5555
5556         PR target/14291
5557         * gcov-io.h (gcov_truncate): Define ftruncate as _chsize for
5558         __MINGW32__.
5559
5560 2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>
5561
5562         * config/s390/s390.md ("*doloop_si"): Change predicate for operand 2
5563         to nonimmediate_operand.
5564         ("*doloop_di"): Likewise.
5565
5566 2004-03-21  Alexandre Oliva  <aoliva@redhat.com>
5567
5568         * real.h (struct real_value): Use the same type for all
5569         bitfields.  Rename exp to uexp.
5570         (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
5571         Adjust all uses of exp...
5572         * builtins.c: ... here, ...
5573         * emit-rtl.c: ... here, and ...
5574         * real.c: ... and here.
5575
5576 2004-03-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5577
5578         * pretty-print.c (pp_base_maybe_space): New function.
5579         * pretty-print.h (pp_base_maybe_space): Declare.
5580         (pp_maybe_space): New macro.
5581
5582 2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>
5583
5584         * config/s390/s390.md ("addti3", "subti3"): New insns and splitters.
5585
5586 2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>
5587
5588         * expmed.c (choose_mult_variant): Pass MULT_COST as argument instead
5589         of using register multiplication cost.
5590         (expand_mult): Adapt choose_mult_variant call.
5591         (expand_mult_highpart): Call choose_mult_variant with WIDER_MODE
5592         of MODE; pass appropriate cost bound.  Adjust result when
5593         performing signed multiplication by a negative constant.
5594         Don't use intermediate modes larger than word_mode.
5595
5596 2004-03-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5597
5598         * alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.
5599         * emit-rtl.c (component_ref_for_mem_expr): Likewise.
5600         (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
5601         * explow.c (expr_size): Likewise.
5602         * expr.h (placeholder_list, find_placeholder): Deleted.
5603         * expr.c (store_constructor): Likewise.
5604         (get_inner_reference): Likewise.  Also don't call find_placeholder.
5605         (placeholder_list, find_placeholder): Deleted.
5606         (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
5607         (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
5608         (highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
5609         * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
5610         * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
5611         Likewise.
5612         * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
5613         (extract_muldiv, case WITH_RECORD_EXPR): Likewise.
5614         * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
5615         (contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
5616         Clean up by using first_rtl_op.
5617         (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
5618         (substitute_placeholder_in_expr): New function.
5619         * tree.def (WITH_RECORD_EXPR): Deleted.
5620         * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
5621         (substitute_placeholder_in_expr): New.
5622
5623 2004-03-21  Andrew Pinski  <pinskia@gcc.gnu.org>
5624
5625         * dojump.c (prefer_and_bit_test): Fix which part of
5626         the and_test is replaced.
5627
5628 2004-03-21  Joseph S. Myers  <jsm@polyomino.org.uk>
5629
5630         * frontends.texi: Add missing line.
5631
5632 2004-03-21  Zack Weinberg  <zack@codesourcery.com>
5633             Chris Devers  <cdevers@pobox.com>
5634             Joseph S. Myers  <jsm@polyomino.org.uk>
5635
5636         * doc/frontends.texi: Rewrite.
5637         * doc/gcc.texi: Update last modification date.
5638
5639 2004-03-21  Josef Zlomek  <zlomekj@suse.cz>
5640
5641         * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Print the debug
5642         message before redirecting the edge.
5643
5644 2004-03-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5645
5646         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
5647         flag.
5648         * explow.c (force_not_mem): Set REG_POINTER flag according to
5649         MEM_POINTER one.
5650         * rtl.h (MEM_POINTER): New macro.
5651         (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
5652         for MEM_POINTER.
5653
5654 2004-03-20  Roger Sayle  <roger@eyesopen.com>
5655
5656         PR target/13889
5657         * cse.c (fold_rtx): Avoid substituting constants into unary
5658         conversion operations.
5659
5660 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5661
5662         * fold-const.c (fold): Replace "expr" with "t".
5663
5664 2004-03-20  Ian Lance Taylor  <ian@wasabisystems.com>
5665
5666         PR c/12373
5667         * c-typeck.c (tagged_types_tu_compatible_p): Don't use
5668         DECL_ORIGINAL_TYPE if there isn't one.
5669
5670 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5671
5672         * fold-const.c (fold): Replace "final_type" with "type".
5673         Remove variable "final_type".
5674
5675 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5676
5677         * fold-const.c (fold): Constify "type".
5678         Replace "TREE_TYPE (t)" with "type".
5679
5680 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5681
5682         * bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
5683         dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
5684         via (*targetm.foo) () with targetm.foo ().
5685
5686 2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>
5687
5688         PR other/14630
5689         * doc/install.texi: Add info directory category and entry.
5690
5691 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5692
5693         * fold-const.c (fold): Replace "t" with "tem" where it is used
5694         as a temporary variable.  Remove "orig_t" and all of its uses.
5695
5696 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5697
5698         * fold-const.c (fold): Remove variable "invert".
5699         Move the handling of relational expressions that can be folded
5700         to a constant ...
5701         (fold_relational_const): ... here.
5702         (tree_expr_nonzero_p): New.
5703
5704 2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>
5705
5706         PR c/14635
5707         * builtins.def (nan, nanf, nanl, nans, nansf, nansl): Change to
5708         DEF_GCC_BUILTIN.
5709
5710 2004-03-20  Richard Sandiford  <rsandifo@redhat.com>
5711
5712         * Makefile.in (dojump.o): Depend on $(GGC_H) and dojump.h.
5713         (GTFILES): Add $(srcdir)/dojump.h.
5714         (gt-dojump.h): New dependency.
5715         * dojump.c (and_reg, and_test, shift_test): New static variables.
5716         (prefer_and_bit_test): New function.
5717         (do_jump): Use it to choose between (X & (1 << C)) and (X >> C) & 1.
5718
5719 2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5720
5721         * c-common.c, cfgcleanup.c, cgraphunit.c, c-pretty-print.c,
5722         expmed.c, ggc-common.c, jump.c, passes.c, recog.c, regmove.c,
5723         reorg.c, tree.h: Fix comment typos.
5724
5725 2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5726
5727         * alias.c, attribs.c, bt-load.c, builtins.c, c-common.c,
5728         c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c,
5729         cse.c, dbxout.c, dwarf2out.c, except.c, final.c,
5730         haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c,
5731         sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c,
5732         vmsdbgout.c: Replace calls via (*targetm.foo) () with
5733         targetm.foo ().
5734
5735 2004-03-19  Ziemowit Laski  <zlaski@apple.com>
5736
5737         * config/rs6000/altivec.h (vec_dst, vec_dstst, vec_dststt,
5738         vec_dstt, vec_sld, vec_splat): Add prototypes, marked with
5739         always_inline attribute.
5740         * config/rs6000/rs6000.c (altivec_expand_dst_builtin):
5741         Treat expansion as completed even if literal argument is
5742         invalid (so that other expansions are not tried in vain).
5743
5744 2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5745
5746         * loop-doloop.c (add_test): Replace GEN_INT (0) with
5747         const0_rtx.
5748
5749 2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5750
5751         * fold-const.c (fold) <ABS_EXPR>: Move the handling of constants
5752         ...
5753         (fold_abs_const): ... here.
5754
5755 2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5756
5757         * tree.h (TYPE_ARRAY_MAX_SIZE): Use type.maxval directly.
5758
5759 2004-03-19  Denis Chertykov  <denisc@overta.ru>
5760
5761         PR target/11520
5762         * config/avr/avr.md ("call_insn"): Handle explicit integer
5763         specially.
5764         (call_value_insn): Likewise.
5765
5766 2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5767
5768         * tree.c (substitute_in_expr): Rewrite to simplify and be more generic.
5769
5770 2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5771
5772         * fold-const.c (negate_expr): Move the handling of constants
5773         ...
5774         (fold_negate_const): ... here.
5775
5776 2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5777
5778         * langhooks-def.h (LANG_HOOKS_HASH_TYPES): New macro and hook.
5779         * langhooks.h (struct lang_hooks_for_types): New field hash_types.
5780         * tree.c (debug_no_type_hash): Deleted.
5781         (type_hash_canon): Abort if passed a variant.
5782         Check lang_hooks.types.hash_types.
5783         (build_type_no_quals): Copy mode of POINTER_TYPE and REFERENCE_TYPE.
5784         (build_array_type): Remove unnecessary allocation of pointer type.
5785         (build_complex_type): Properly qualify resulting type.
5786
5787 2004-03-19  Paolo Bonzini  <bonzini@gnu.org>
5788
5789         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo.
5790
5791 2004-03-19  Richard Sandiford  <rsandifo@redhat.com>
5792
5793         * expmed.c (choose_mult_variant, expand_mult_const): New, split from...
5794         (expand_mult): ...here.
5795         (extract_high_half): New, split out from expand_mult_highpart.
5796         (expand_highpart_optab): Likewise.  Don't clobber target prematurely.
5797         (expand_highpart): Evaluate the cost of a shift/add sequence,
5798         then see if any of the specialized optabs are cheaper.
5799
5800 2004-03-18  Ian Lance Taylor  <ian@wasabisystems.com>
5801
5802         * mklibgcc.in: Remove obsolete MAYBE_USE_COLLECT2.
5803
5804 2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5805
5806         * convert.c (convert_to_real): Add more math builtins.
5807
5808 2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5809
5810         * convert.c (convert_to_real): Reformat using switch stmt.
5811
5812 2004-03-18  Mark Mitchell  <mark@codesourcery.com>
5813
5814         * c-common.c (pointer_int_sum): Do not complain about using
5815         pointers to pointers-to-members.
5816
5817 2004-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5818
5819         * system.h (MD_ASM_CLOBBERS): Move to "Old target macros that
5820         have moved to the target hooks structure".
5821
5822 2004-03-18  James E Wilson  <wilson@specifixinc.com>
5823
5824         * config/mips/mips.md (type): Split move into arith and fmove.  Split
5825         hilo into mthilo and mfhilo.  Add trap.  Delete icmp.  Fix all uses.
5826         * config/mips/5400.md (ir_vr54_hilo, ir_vr54_arith, ir_vr54_fabs):
5827         Likewise.
5828         * config/mips/5500.md (ir_vr55_hilo, ir_vr55_arith, ir_vr55_fabs):
5829         Likewise.
5830         * config/mips/7000.md (rm7_int_other, rm7_mthilo, rm7_mfhilo,
5831         rm7_fp_quick): Likewise.
5832         * config/mips/9000.md (rm9k_int, rm9k_mfhilo, rm9k_mthilo,
5833         rm9k_fquick): Likewise.
5834         * config/mips/sr71k.md (ir_sr70_hilo, ir_sr70_arith, ir_sr70_fabs):
5835         Likewise.
5836         (ir_sr70_icmp): Delete.
5837
5838 2004-03-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5839
5840         * tree.h (TREE_CHECK2, TREE_CHECK3, TREE_CHECK5): New macros.
5841         (tree_check2_failed, tree_check3_failed, tree_check5_failed): New decl.
5842         (FUNC_OR_METHOD_CHECK, SET_ARRAY_OR_VECTOR_CHECK): New macros.
5843         (REC_OR_UNION_CHECK, NUMERICAL_TYPE_CHECK): Likewise.
5844         (TYPE_VALUES, TYPE_DOMAIN, TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD):
5845         Protect with proper check.
5846         (TYPE_ARG_TYPES, TYPE_METHOD_BASETYPE, TYPE_OFFSET_BASETYPE): Likewise.
5847         (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Likewise.
5848         * tree.c (type_hash_eq): Rewrite to access proper fields for each type.
5849         (tree_check2_failed, tree_check3_failed, tree_check5_failed): New.
5850         * c-typeck.c (build_array_ref): Use TYPE_DOMAIN, not TYPE_VALUES.
5851         * dwarf2out.c (gen_enumeration_type_die): Use TYPE_VALUES,
5852         not TYPE_FIELDS.
5853         * stor-layout.c (set_sizetype): Use TYPE_ORIG_SIZE_TYPE.
5854
5855 2004-03-18  Mostafa Hagog  <mustafa@il.ibm.com>
5856
5857         * gcse.c (eliminate_partially_redundant_loads): Reject change if
5858         dest is set between beginning and current insn.
5859
5860 2004-03-18  Mark Mitchell  <mark@codesourcery.com>
5861
5862         * c-decl.c (grokdeclarator): Do not complain about redeclaring
5863         visible "static" identifiers "extern" in a local scope.
5864         * dwarf2out.c (loc_descriptor_from_tree): Handle pre- and
5865         post-increments/decrements.
5866
5867 2004-03-18  Bob Wilson  <bob.wilson@acm.org>
5868
5869         * config/xtensa/xtensa.c (current_function_arg_words): Delete.
5870         (xtensa_builtin_saveregs): Use current_function_args_info.arg_words.
5871         (xtensa_va_start): Remove assignment to current_function_arg_words.
5872
5873 2004-03-18  Richard Sandiford  <rsandifo@redhat.com>
5874
5875         * alias.c (record_set): Detect the case where a register is assigned
5876         a new value that has the same base term as the old one.
5877
5878 2004-03-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5879
5880         * doloop.c: Removed.
5881         * loop-doloop.c: New file.
5882         * Makefile.in (doloop.o): Remove.
5883         (loop-doloop.o): New.
5884         * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare.
5885         * cfgloopanal.c (get_loop_level): New function.
5886         * loop-iv.c (iv_number_of_iterations): Handle case when loop
5887         is leaved immediatelly.
5888         * loop.c (strength_reduce): Do not call doloop optimization.
5889         * loop.h (LOOP_BCT): Removed.
5890         * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT.
5891         (rest_of_handle_loop2): Call doloop_optimize_loops.
5892         (rest_of_compilation): Test for optimizations moved to
5893         rest_of_handle_loop2.
5894
5895 2004-03-17  Fariborz Jahanian <fjahanian@apple.com>
5896
5897         * config/rs6000/rs6000.c (rs6000_stack_info): correct reg_size
5898         for mixed mode.
5899         (rs6000_emit_prologue): Ditto.
5900         (rs6000_emit_epilogue): Ditto.
5901         * config/rs6000/rs6000.h: Definition of DWARF_CIE_DATA_ALIGNMENT
5902         macro for mixed mode.
5903
5904 2004-03-18  Jan Hubicka  <jh@suse.cz>
5905
5906         * predict.c (propagate_freq): Compute correctly frequency of
5907         EXIT_BLOCK.
5908
5909 2004-03-17  Eric Christopher  <echristo@redhat.com>
5910
5911         * builtins.c (apply_args_size): Use reg_raw_mode.
5912         (apply_result_size): Ditto.
5913
5914 2004-03-17  Ralf Corsepius <corsepiu@faw.uni-ulm.de>
5915
5916         PR target/14620
5917         * config/rtems.h: Add STD_LIB_SPEC and LIB_SPEC.
5918
5919 2004-03-17  Jakub Jelinek  <jakub@redhat.com>
5920
5921         * config/rs6000/t-linux64 (bispecs): Don't add -mlong-double-128 for
5922         32-bit builds when defaulting to 32-bit.
5923
5924 2004-03-17  Jan Hubicka  <jh@suse.cz>
5925
5926         * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
5927         array.
5928
5929 2004-03-17  James E Wilson  <wilson@specifixinc.com>
5930
5931         * config/mips/mips.md (zero_extendsidi2): Add length attribute.
5932         (hazard_nop): Change type to nop.
5933         (type): Split arith into arith, shift, slt, clz.  Delete darith.
5934         Fix all uses.  Change arith to multi if more than one insn emitted.
5935         * config/mips/5400.md (ir_vr54_arith): Likewise.
5936         * config/mips/5500.md (ir_vr55_arith): Likewise.
5937         * config/mips/7000.md (rm7_int_other): Likewise.
5938         * config/mips/9000.md (rm9k_int): Likewise.
5939         * config/mips/sr71k.md (ir_sr70_arith): Likewise.
5940
5941 2004-03-17  Joel Brobecker  <brobecker@gnat.com>
5942
5943         * dwarf2out.c (subrange_type_die): Define new variable "subtype"
5944         to hold the subtype tree instead of recomputing it several times.
5945
5946 2004-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5947
5948         * config/mn10300/mn10300.c (notice_update_cc): Don't handle
5949         CC_INVERT.
5950         * config/mn10300/mn10300.md (cc): Remove "invert".
5951
5952 2004-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5953
5954         * builtins.c (integer_valued_real_p): Add builtin rint.
5955         (fold_builtin): Likewise.
5956         * convert.c (convert_to_real): Likewise.
5957
5958         * convert.c (convert_to_real): Fix typos in `long double'
5959         builtins.
5960
5961 2004-03-16  Mark Mitchell  <mark@codesourcery.com>
5962
5963         PR c++/14481
5964         * fold-const.c (fold): Set TREE_NO_UNUSED_WARNING on implicitly
5965         generated COMPOUND_EXPRs.
5966
5967 2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>
5968
5969         * config/h8300/t-rtems (h8300-*-rtems*): New.
5970
5971 2004-03-16  Eric Christopher  <echristo@redhat.com>
5972
5973         * doc/cppopts.texi(fwide-exec-charset): Fix typo.
5974
5975 2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5976
5977         * config/i386/i386-protos.h: Add a prototype for
5978         ix86_reverse_condition.
5979         * config/i386/i386.c (ix86_reverse_condition): New.
5980         * config/i386/i386.h (REVERSE_CONDITION): Use
5981         ix86_reverse_condition.
5982         * config/i386/i386.md: Use ix86_reverse_condition instead of
5983         REVERSE_CONDITION.
5984
5985 2004-03-16  J. Brobecker  <brobecker@gnat.com>
5986
5987         * dwarf2out.c (loc_descriptor_from_tree): Add handling for MIN_EXPR.
5988
5989 2004-03-16  Nathanael Nerode  <neroden@gcc.gnu.org>
5990
5991         PR bootstrap/12974
5992         * Makefile.in: Pass $(INCLUDES) down to libgcc.mk explicitly.
5993
5994 2004-03-16  Paolo Bonzini  <bonzini@gnu.org>
5995
5996         * c-common.c (c_common_type_for_mode): Build vector types on
5997         demand.
5998         (handle_mode_attribute): Deprecate using the mode attribute
5999         to create vector types.  Fix indentation.
6000         (vector_type_node_list): Remove.
6001         (handle_vector_size_attribute): Create vector types on demand.
6002         Strip a NON_LVALUE_EXPR from the attribute if there is one.
6003         * c-typeck.c (comptypes): Make vector types compatible if they
6004         have the same underlying mode.
6005         (convert_for_assignment): Use comptypes to convert between
6006         vector types.
6007         * tree.c (build_common_tree_nodes_2): Do not create vector types.
6008         * config/arm/arm.c (arm_init_iwmmxt_builtins): Create necessary
6009         vector types.
6010         * tree.h: Remove vector types.
6011         * config/i386/i386.c (i386_init_mmx_sse_builtins): Likewise.
6012         * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
6013         (V16QI_type_node, V2SI_type_node, V2SF_type_node, V4HI_type_node,
6014         V4SI_type_node, V4SF_type_node, V8HI_type_node): New globals.
6015         * doc/extend.texi (Vector Types): Document how to use the
6016         vector_size attribute to create vectors, rather than mode.
6017
6018         * config/arm/mmintrin.h: Use vector_size attribute, not mode.
6019         * config/i386/emmintrin.h: Likewise.
6020         * config/i386/mmintrin.h: Likewise.
6021         * config/i386/xmmintrin.h: Likewise.
6022         * config/sh/ushmedia.h: Likewise.
6023
6024 2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6025
6026         * config/freebsd-spec.h, config/arc/arc-protos.h,
6027         config/arm/aout.h, config/arm/elf.h, config/arm/freebsd.h,
6028         config/arm/linux-gas.h, config/arm/semi.h,
6029         config/cris/cris-protos.h, config/i386/xm-djgpp.h,
6030         config/ia64/freebsd.h, config/mips/7000.md,
6031         config/mips/9000.md, config/ns32k/ns32k-protos.h,
6032         config/sparc/pbd.h: Update copyright.
6033
6034 2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>
6035
6036         PR target/14577
6037         * config.gcc: Switch sh-*-rtems* to ELF.  Add sh-*-rtemscoff.
6038
6039 2004-03-16  Paolo Bonzini  <bonzini@gnu.org>
6040
6041         * combine.c (combine_simplify_rtx): Remove the "last"
6042         parameter and its documentation.  Adjust recursive calls.
6043         (simplify_logical): Always perform the only simplification
6044         controlled by "last", if the simplified expression is
6045         actually different.
6046         (try_combine): Do not pass the "last" parameter to
6047         combine_simplify_rtx.
6048
6049 2004-03-16  Richard Sandiford  <rsandifo@redhat.com>
6050
6051         PR target/14599
6052         * config/mips/mips.md (UNSPEC_GP): New constant.
6053         * config/mips/mips.c (CONST_GP_P): Expect the CONST to contain
6054         an UNSPEC instead of (reg $gp).
6055         (mips16_gp_pseudo_reg): Change accordingly.
6056         (print_operand): Print $gp directly when handling CONST_GP_P.
6057
6058 2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>
6059
6060         * config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
6061         * longlong.h: Make code 68060 clean when compiling for m68060.
6062
6063 2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>
6064
6065         * config/m68k/m68k.md: Fix constraints for bitfield instructions.
6066         * doc/md.texi: Clarify description of "i" constraint.
6067
6068 2004-03-15  James E Wilson  <wilson@specifixinc.com>
6069
6070         * config/mips/mips.md (type): Split load into load, fpload, fpidxload.
6071         Split store into store, fpstore, fpidxstore.  Fix all uses.
6072         * config/mips/5400.md (ir_vr54_load, ir_vr54_store, ir_vr54_fstore):
6073         Likewise.
6074         * config/mips/5500.md (ir_vr55_load, i5_vr55_store): Likewise.
6075         * config/mips/7000.md (rm7_ld, rm7_st): Likewise.
6076         * config/mips/9000.md (rm9k_load, rm9k_store): Likewise.
6077         * config/mips/sr71k.md (ir_sr70_load, ir_sr70_store, ir_sr70_fload,
6078         ir_sr70_fstore): Likewise.
6079
6080 2004-03-15  Richard Henderson  <rth@redhat.com>
6081
6082         PR middle-end/14535
6083         * except.c (collect_one_action_chain): Record action for cleanup
6084         outer of exception spec.
6085
6086 2004-03-15  Ian Lance Taylor  <ian@wasabisystems.com>
6087
6088         * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
6089         Fix the check for abort and only do the mmap if we can.
6090
6091 2004-03-15  Eric Botcazou  <ebotcazou@act-europe.fr>
6092
6093         * config/sparc/sparc.h: Rework comments about the code model
6094         in 64-bit environment and the mode 'Pmode'.
6095         * doc/invoke.texi (SPARC options): Rework description of the
6096         different code models supported in 64-bit environment.
6097
6098 2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>
6099
6100         * defaults.h (REVERSIBLE_CC_MODE): Define.
6101         * jump.c (reversed_comparison_code_parts): Don't check if
6102         REVERSIBLE_CC_MODE is defined.
6103
6104 2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>
6105
6106         * c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
6107         et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
6108         hosthooks.h, params.h, ra-colorize.c, web.c,
6109         config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
6110         config/avr/avr-protos.h, config/avr/avr.md,
6111         config/fr30/fr30-protos.h, config/fr30/fr30.md,
6112         config/h8300/fixunssfsi.c, config/i386/darwin.h,
6113         config/i386/freebsd.h, config/i386/freebsd64.h,
6114         config/ia64/hpux.h, config/ia64/unwind-ia64.c,
6115         config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
6116         config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
6117         config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
6118         config/pa/pa64-regs.h, config/rs6000/aix41.h,
6119         config/rs6000/aix43.h, config/rs6000/host-darwin.c,
6120         config/sparc/aout.h, config/sparc/freebsd.h,
6121         config/sparc/litecoff.h, config/vax/vax-protos.h,
6122         doc/hostconfig.texi, doc/include/gcc-common.texi: Update
6123         copyright.
6124
6125 2004-03-15  Paul Brook  <paul@codesourcery.com>
6126
6127         * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.
6128
6129 2004-03-15  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6130
6131         * c-pretty-print.c (pp_c_semicolon): Fix formatting.
6132         (pp_c_cv_qualifier): Document.
6133         (pp_c_space_for_pointer_operator): Likewise.
6134         (pp_c_integer_constant): Likewise.
6135         (pp_c_identifier): Likewise.
6136         (pp_c_init_declarator): Don't print function body.
6137
6138 2004-03-14  Joseph S. Myers  <jsm@polyomino.org.uk>
6139
6140         * doc/contrib.texi, doc/extend.texi, doc/gcov.texi,
6141         doc/install.texi, doc/invoke.texi, doc/makefile.texi,
6142         doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Capitalize
6143         "gcc", "g++" and "g77" or mark up with appropriate markup.  Adjust
6144         wording and grammar.
6145
6146 2004-03-14  Roger Sayle  <roger@eyesopen.com>
6147
6148         * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) ()
6149         with lang_hooks.foo ().
6150         * builtins.c (expand_builtin_va_arg): Likewise.
6151         * c-common.c (fname_as_string, c_common_truthvalue_conversion,
6152         c_common_type_for_mode, c_common_nodes_and_builtins,
6153         handle_mode_attribute, handle_vector_size_attribute): Likewise.
6154         * c-convert.c (convert): Likewise.
6155         * c-format.c (check_format_types): Likewise.
6156         * c-objc-common.c (c_tree_printer): Likewise.
6157         * c-typeck.c (build_unary_op, build_conditional_expr,
6158         build_binary_op): Likewise.
6159         * calls.c (try_to_integrate, expand_call,
6160         emit_library_call_value_1): Likewise.
6161         * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p):
6162         Likewise.
6163         * cgraphunit.c (record_call_1, cgraph_analyze_function,
6164         cgraph_expand_function): Likewise.
6165         * convert.c (convert_to_pointer, convert_to_integer): Likewise.
6166         * coverage.c (build_fn_info_type, build_ctr_info_type,
6167         build_gcov_info, create_coverage): Likewise.
6168         * dbxout.c (dbxout_init): Likewise.
6169         * diagnostic.c (diagnostic_report_current_function): Likewise.
6170         * dojump.c (do_jump): Likewise.
6171         * dwarf2out.c (dwarf2_name): Likewise.
6172         * except.c (init_eh): Likewise.
6173         * explow.c (expr_size, int_expr_size): Likewise.
6174         * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add):
6175         Likewise.
6176         * expr.c (store_expr, store_constructor, safe_from_p,
6177         expand_expr_real, do_store_flag, try_casesi): Likewise.
6178         * function.c (push_function_context_to, pop_function_context_from,
6179         free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type,
6180         put_var_into_stack, allocate_struct_function, current_function_name):
6181         Likewise.
6182         * integrate.c (copy_decl_for_inlining, expand_inline_function):
6183         Likewise.
6184         * langhooks.c (lhd_clear_binding_stack, write_global_declarations,
6185         lhd_print_error_function): Likewise.
6186         * opts.c (handle_option, decode_options): Likewise.
6187         * passes.c (open_dump_file): Likewise.
6188         * print-tree.c (print_node): Likewise.
6189         * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands,
6190         expand_decl_cleanup, emit_case_nodes): Likewise.
6191         * stor-layout.c (variable_size): Likewise.
6192         * toplev.c (announce_function, wrapup_global_declarations,
6193         check_global_declarations, compile_file, default_tree_printer,
6194         process_options, lang_dependent_init, finalize): Likewise.
6195         * tree-dump.c (dequeue_and_dump): Likewise.
6196         * tree-inline.c (remap_decl, remap_block, copy_body_r,
6197         initialize_inlined_parameters, declare_return_variable,
6198         inlinable_function_p, expand_call_inline, optimize_inline_calls,
6199         walk_tree, copy_tree_r): Likewise.
6200         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6201         * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp,
6202         unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl,
6203         variably_modified_type_p, dump_tree_statistics): Likewise.
6204         * varasm.c (assemble_variable, compare_constant, copy_constant,
6205         force_const_mem, compute_reloc_for_constant, output_constant,
6206         output_addressed_constants, initializer_constant_valid_p): Likewise.
6207
6208 2004-03-14  Kelley Cook  <kcook@gcc.gnu.org>
6209
6210         * doc/install.texi: Make autoconf 2.13 the exception, not the rule.
6211
6212 2004-03-14  Andreas Tobler  <a.tobler@schweiz.ch>
6213
6214         * doc/install.texi: Reflect autoconf and automake version for
6215         libffi. Update autoconf version to 2.59.
6216
6217 2004-03-13  Roger Sayle  <roger@eyesopen.com>
6218
6219         * fold-const.c (negate_expr, operand_equal_for_comparison_p,
6220         optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
6221         make_range, build_range_check, fold_range_test, unextend,
6222         constant_boolean_node, fold_binary_op_with_conditional_arg,
6223         fold_truthop, fold_mathfn_compare, fold_inf_compare,
6224         fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
6225         with lang_hooks.foo ().
6226
6227 2004-03-14  Richard Earnshaw  <rearnsha@arm.com>
6228
6229         * arm.h (EXTRA_CONSTRAINT_STR_ARM): Update comment.
6230
6231 2004-03-13  Dara Hazeghi  <dhazeghi@yahoo.com>
6232
6233         * doc/install.texi: Note status of -fnew-ra.
6234
6235 2004-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6236
6237         PR middle-end/14470
6238         * expr.c (store_expr): Call emit_queue before generating the move
6239         from the temporary to the original target.  Protect the temporary
6240         from emit_queue.
6241
6242 2004-03-13  Jakub Jelinek  <jakub@redhat.com>
6243
6244         PR target/14533
6245         * config/s390/s390.c (legitimize_pic_address): Don't abort on UNSPEC
6246         other than UNSPEC_GOTOFF.
6247
6248 2004-03-13  Richard Earnshaw  <rearnsha@arm.com>
6249
6250         * arm.c (arm_legitimate_address_p): New argument, OUTER.  Pass through
6251         to arm_legitimate_index_p.  Update all callers with SET as default
6252         value.
6253         (arm_legitimate_index_p): New argument, OUTER.  Restrict the index
6254         range if OUTER is a sign-extend operation on QImode.  Correctly
6255         reject shift operations on sign-extended QImode addresses.
6256         (bad_signed_byte_operand): Delete.
6257         (arm_extendqisi_mem_op): New function.
6258         * arm.h (EXTRA_CONSTRAINT_ARM): Delete.  Replace with...
6259         (EXTRA_CONSTRAINT_STR_ARM): ... this.  Handle extended address
6260         constraints.
6261         (CONSTRAINT_LEN): New.
6262         (EXTRA_CONSTRAINT): Delete.  Replace with...
6263         (EXTRA_CONSTRAINT_STR): ... this.
6264         (PREDICATE_CODES): Remove bad_signed_byte_operand.
6265         * arm.md (extendqihi_insn): Use new constraint Uq.  Rework.  Length
6266         is now always default.
6267         (define_splits for bad sign-extend loads): Delete.
6268         (arm_extendqisi, arm_extendqisi_v5): Likewise.
6269         * arm/vfp.md (arm_movsi_vfp, arm_movdi_vfp, movsf_vfp, movdf_vfp):
6270         Rework 'U' constraint to 'Uv'.
6271         * arm-protos.h: Remove bad_signed_byte_operand.  Add
6272         arm_extendqisi_mem_op.
6273         * doc/md.texi (ARM constraints): Rename VFP constraint (now Uv).
6274         Add Uq constraint.
6275
6276 2004-03-13  Alan Modra  <amodra@bigpond.net.au>
6277
6278         * config/rs6000/rs6000.c (rs6000_va_arg): Replace SPLIT_COMPLEX_ARGS
6279         with targetm version.
6280
6281         PR target/14567
6282         * config/rs6000/rs6000.h (UNITS_PER_ARG, RS6000_ARG_SIZE): Delete.
6283         (HARD_REGNO_MODE_OK): Disallow TFmode for fp31.
6284         * config/rs6000/rs6000.c (rs6000_arg_size): New function.
6285         Update all users of RS6000_ARG_SIZE.
6286         (function_arg_advance): Count fregno using mode size.
6287         (function_arg): Handle long double split over regs and memory.
6288         (function_arg_partial_nregs): Likewise.
6289         (rs6000_va_arg): Repackage complex args.
6290
6291 2004-03-13  Dean Ferreyra <dferreyra@igc.org>
6292
6293         PR target/14047
6294         * config/avr/avr.c (avr_progmem_p): Add "attributes" parameter.
6295         (avr_insert_attributes): Pass "attributes" to avr_progmem_p.
6296         * config/avr/avr-protos.h (avr_progmem_p): Change prototype.
6297
6298 2004-03-12  Jakub Jelinek  <jakub@redhat.com>
6299
6300         * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
6301         prototype.
6302         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
6303         * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6304
6305 2003-03-12  Andrew Pinski  <apinski@apple.com>
6306
6307         * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
6308         Use ret instead of result. Use addr instead of base.
6309
6310 2004-03-12  David Edelsohn  <edelsohn@gnu.org>
6311
6312         * doc/install.texi (*-ibm-aix*): Document assembler and achiver
6313         fixes required by libstdc++ and update installation instructions
6314         for libstdc++.a.
6315
6316 2004-03-12  Danny Smith  <dannysmith@users.sourceforge.net>
6317
6318         * config/i386/winnt.c (i386_pe_strip_name_encoding_full): Strip
6319         leading '@' on fastcall symbols before stripping suffix.
6320
6321 2004-03-12  Roger Sayle  <roger@eyesopen.com>
6322
6323         * combine.c (unmentioned_reg_p): New function to check whether an
6324         expression is a "specialization" of another, i.e. that there are
6325         no registers or memory references mentioned in the first that don't
6326         appear in the second.
6327         (unmentioned_reg_p_1): New helper subroutine of unmentioned_reg_p.
6328         (combine_instructions): Also try combining instructions using the
6329         REG_EQUAL note from a preceding log-linked instruction.
6330
6331 2004-03-12  Roger Sayle  <roger@eyesopen.com>
6332
6333         * config/i386/i386.c (ix86_split_ashrdi): Optimize shift by 63.
6334
6335 2004-03-12  Matt Austern  <austern@apple.com>
6336
6337         * target.h (struct gcc_target): New target hook, unwind_label.
6338         * target-def.h (TARGET_ASM_EMIT_UNWIND_LABEL): New hook.
6339         * output.h (default_emit_unwind_label): New function.
6340         * default.h (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): New macro.
6341         (TARGET_USES_WEAK_UNWIND_INFO): New target macro.
6342         (TARGET_SUPPORTS_HIDDEN): New target macro.
6343         * dwarf2out.c (struct dw_fde_struct): Add field for function decl
6344         that corresponds to this FDE.
6345         (FRAME_BEGIN_LABEL): Allow target to override default label.
6346         (output_call_frame_info): If FDEs are linknonce, then use extra
6347         indirection for FDE encoding, output a label for each FDE, and
6348         output an empty label for each function without an FDE.
6349         (dwarf2out_begin_prologue): Set up decl field when creating an FDE.
6350         * varasm.c (globalize_decl): Call ASM_MAKE_LABEL_LINKONCE for
6351         decls with DECL_ONE_ONLY set, if that macro is defined.
6352         (make_decl_one_only): Don't use DECL_COMMON if we're compiling
6353         for a SUPPORTS_ONE_ONLY target.
6354         * config/darwin-protos.h (darwin_unique_section): Declare.
6355         (darwin_asm_named_section): Likewise.
6356         (darwin_section_type_flags): Likewise.
6357         (darwin_non_lazy_pcrel): Likewise.
6358         (darwin_emit_unwind_label): Likewise.
6359         (darwin_make_decl_one_only): Likewise.
6360         * config/darwin.c (machopic_finish): Get rid of tweak that
6361         eliminate stubs for symbols that are defined.
6362         (darwin_encode_section_info): Don't treat weak functions as defined.
6363         (darwin_make_decl_one_only): Define.
6364         (darwin_asm_named_section): Likewise.
6365         (darwin_section_type_flags): Likewise.
6366         (darwin_unique_section): Likewise.
6367         (darwin_emit_unwind_label): Likewise.
6368         (darwin_non_lazy_pcrel): Likewise.
6369         (darwin_asm_output_dwarf_delta): Difference between two labels is
6370         local only if both labels are local.
6371         * config/darwin.h (MAKE_DECL_ONE_ONLY): Define.
6372         (ASM_MAKE_LABEL_LINKONCE): Likewise.
6373         (TARGET_SUPPORTS_HIDDEN): Likewise.
6374         (TARGET_USES_WEAK_UNWIND_INFO): Likewise.
6375         (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): Likewise.
6376         (FRAME_BEGIN_LABEL): Likewise.
6377         (ASM_DECLARE_OBJECT_NAME): Make references to weak symbols indirect.
6378         (ASM_DECLARE_FUNCTION_NAME): Likewise.
6379         (darwin_eh_frame_section): Give __eh_frame section the coalesced flag.
6380         (TARGET_ASM_UNIQUE_SECTION): Define.
6381         (EH_FRAME_SECTION_NAME): Define.
6382         (EH_FRAME_SECTION_ATTR): Likewise.
6383         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
6384         (TARGET_ASM_NAMED_SECTION): Likewise.
6385         (TARGET_SECTION_TYPE_FLAGS): Likewise.
6386         * doc/tm.texi: Document TARGET_USES_WEAK_UNWIND_INFO,
6387         TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, TARGET_SUPPORTS_HIDDEN,
6388         TARGET_ASM_EMIT_UNWIND_LABEL.
6389
6390 2004-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6391
6392         * builtins.c (expand_builtin_mathfn): Add pow10* to the
6393         existing exp10* case.
6394         (expand_builtin): Likewise.
6395
6396 2004-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6397
6398         * doc/tm.texi (registers) <Values in Registers>: Add
6399         entry for REGMODE_NATURAL_SIZE.
6400
6401 2004-03-12  Richard Henderson  <rth@redhat.com>
6402
6403         PR target/14547
6404         * target.h (struct gcc_target): Move calls substructure before
6405         booleans.  Add split_complex_arg.
6406         * function.c (assign_parms, split_complex_args): Use it.
6407         * calls.c (expand_call): Likewise.
6408         (split_complex_values): Likewise.  Check for splittable types
6409         before allocating memory.
6410         (split_complex_types): Likewise.
6411         * system.h (SPLIT_COMPLEX_ARGS): Poison.
6412         * expr.h (SPLIT_COMPLEX_ARGS): Remove.
6413         * target-def.h (TARGET_SPLIT_COMPLEX_ARG): New.
6414         * config/alpha/alpha.c (alpha_split_complex_arg): New.
6415         (TARGET_SPLIT_COMPLEX_ARG): New.
6416         * config/alpha/alpha.h (SPLIT_COMPLEX_ARGS): Remove.
6417         * config/rs6000/rs6000.c (TARGET_SPLIT_COMPLEX_ARG): New.
6418         (rs6000_override_options): Zap it for non-AIX.
6419         (rs6000_function_value): Use targetm.calls.split_complex_arg.
6420         * config/rs6000/rs6000.h (SPLIT_COMPLEX_ARGS): Remove.
6421         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): New.
6422         * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Remove.
6423         * doc/tm.texi (TARGET_SPLIT_COMPLEX_ARG): Modify from old
6424         SPLIT_COMPLEX_ARGS entry.
6425
6426 2004-03-11  Richard Henderson  <rth@redhat.com>
6427
6428         * config/alpha/alpha.c (xfloating_ops, vax_cvt_ops): New.
6429         (alpha_lookup_xfloating_lib_func): Use them, return rtx.
6430         (alpha_emit_xfloating_arith): Update to match.
6431         (alpha_emit_xfloating_compare): Likewise.
6432         (alpha_emit_xfloating_cvt): Likewise.
6433         (alpha_emit_xfloating_libcall): Take already built symbol,
6434         mark call const.
6435         * config/alpha/alpha.md (extendsftf2, extenddftf2): Take
6436         op1 in a register.
6437
6438 2004-03-11  Richard Henderson  <rth@redhat.com>
6439
6440         PR target/14539
6441         * config/alpha/alpha.h (STACK_BOUNDARY): Set to 128.
6442
6443         * simplify-rtx.c (simplify_relational_operation): Fix typo.
6444
6445 2004-03-11  Richard Henderson  <rth@redhat.com>
6446
6447         PR middle-end/14477
6448         * except.c (remove_unreachable_regions): Look thru CALL_PLACEHOLDER.
6449
6450 2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>
6451
6452         PR target/14262
6453         * calls.c (load_register_parameters): If BLOCK_REG_PADDING is not
6454         defined, pass small BLKmode values in registers in the low-order part.
6455
6456 2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>
6457
6458         * combine.c (if_then_else_cond): Check for NULL return value of
6459         simplify_gen_subreg.
6460
6461 2004-03-11  Richard Sandiford  <rsandifo@redhat.com>
6462
6463         PR target/14496
6464         * config/mips/mips.h (UNITS_PER_FPVALUE): Fix value for
6465         TARGET_SINGLE_FLOAT.
6466
6467 2004-03-11  Steve Ellcey  <sje@cup.hp.com>
6468
6469         * config/ia64/hpux.h (TARGET_INIT_LIBFUNCS): Add undef.
6470         * config/ia64/ia64.h (TARGET_INIT_LIBFUNCS): Add define.
6471         * config/ia64/ia64.c (ia64_init_libfuncs): New.
6472         (ia64_hpux_init_libfuncs): Add call to ia64_init_libfuncs.
6473
6474 2004-03-11  Roger Sayle  <roger@eyesopen.com>
6475
6476         * fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
6477         -((int)X>>C) where C is an integer constant one bit less than the
6478         size of X into (unsigned)X>>C.  Similarly for unsigned->signed.
6479         (negate_expr) <RSHIFT_EXPR>: Implement the above transformations.
6480
6481         * simplify-rtx.c (simplify_unary_operation): Also implement the
6482         above transformations at the RTL level.
6483
6484 2004-03-11  Alan Modra  <amodra@bigpond.net.au>
6485
6486         * real.c (encode_ibm_extended): Do round low word.
6487
6488 2004-03-11  Ben Elliston  <bje@wasabisystems.com>
6489
6490         * config/arm/arm.md (is_xscale): Comment this attribute and move
6491         it a bit further up in the file, closer to related attributes.
6492
6493 2004-03-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
6494
6495         * config/host-solaris.c (sol_gt_pch_use_address): Add
6496         missing terminating marker to comment.
6497
6498 2004-03-11  Richard Sandiford  <rsandifo@redhat.com>
6499
6500         * config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
6501         (movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
6502         (*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
6503         (*movsf_mips16, *movdf_mips16):  Name unnamed patterns.  Use
6504         move_operand as source predicate in all cases.
6505         (*movdi_32bit): Renamed from movdi_internal.  Remove 'F' constraint.
6506         Test reg_or_0_operand.  Use move_operand as source predicate.
6507         (*movdi_64bit): Renamed from movdi_internal2.  Test reg_or_0_operand.
6508         (*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
6509         (*movsi_internal): Renamed from movsi_internal.  Test reg_or_0_operand.
6510         (movhi, movqi, movsf, movdf): Use mips_legitimize_move.
6511         (*movhi_internal): Renamed from movhi_internal.  Test reg_or_0_operand.
6512         Use move_operand as source predicate.  Remove 'K' constraint.
6513         (*movqi_internal): Likewise movqi_internal.
6514         (*movsf_hardfloat): Renamed from movsf_internal1.  Test
6515         reg_or_0_operand.  Use move_operand as source predicate.
6516         (*movsf_softfloat): Likewise movsf_internal2.
6517         (*movdf_hardfloat_64bit): Likewise movsf_internal1a.
6518         (*movdf_hardfloat_32bit): Likewise movsf_internal1b.
6519         (*movdf_softfloat): Likewise movdf_internal2.
6520         * config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
6521         for DImode if !TARGET_64BIT.
6522         (mips_legitimize_move): Simplify accordingly.
6523
6524 2004-03-11  Josef Zlomek  <zlomekj@suse.cz>
6525
6526         PR/14362
6527         * var-tracking.c (struct variable_def): Added field refcount.
6528         (variable_htab_free): Decrease the refcount and delete variable
6529         only if there are no more references.
6530         (unshare_variable): New function.
6531         (vars_copy_1): Increase refcount instead of copying the variable.
6532         (variable_union): Share the variables where possible, unshare
6533         the variables if needed.
6534         (variable_different_p): Return false if var1 and var2 are
6535         the same structure.
6536         (variable_was_changed): Init the refcount of new variable.
6537         (set_frame_base_location): Unshare variable if needed.
6538         (set_variable_part): Init the refcount of new variable.
6539         Unshare the variables if needed.
6540         (delete_variable_part): Unshare the variables if needed.
6541         (emit_notes_for_differences_1): Init the refcount of new variable.
6542         (vt_add_function_parameters): Do not add function parameters to
6543         IN set of ENTRY_BLOCK_PTR because it is unused anyway.
6544         (vt_initialize): Do not add frame_base_decl to IN set of
6545         ENTRY_BLOCK_PTR because it is unused anyway.
6546
6547 2004-03-11  Josef Zlomek  <zlomekj@suse.cz>
6548
6549         * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
6550         (vars_copy): Likewise.
6551         (variable_union): Likewise.
6552         (set_variable_part): Likewise.
6553         (delete_variable_part): Likewise.
6554
6555 2004-03-11  Kazu Hirata  <kazu@cs.umass.edu>
6556
6557         * c-typeck.c, combine.c, cse.c, dominance.c, et-forest.h,
6558         ggc-page.c, var-tracking.c, config/fp-bit.c, config/c4x/c4x.c,
6559         config/cris/cris.c, config/i386/ppro.md, config/i860/i860.c,
6560         config/i860/i860.h, config/m32r/m32r.h, config/m32r/xm-m32r.h,
6561         config/m68hc11/m68hc11.h, config/m68hc11/m68hc11.md,
6562         config/mips/mips.c, config/mmix/mmix.c, config/ns32k/ns32k.h,
6563         config/pa/pa.c, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6564         config/pdp11/pdp11.h, config/rs6000/rs6000.c,
6565         config/stormy16/stormy16.c: Fix comment typos and formatting.
6566
6567 2004-03-11  Nathanael Nerode  <neroden@gcc.gnu.org>
6568
6569         * configure: Regenerate, since I forgot to while committing Paolo's
6570         changes.
6571
6572 2004-03-08  Paolo Bonzini  <bonzini@gnu.org>
6573
6574         PR ada/14131
6575         Move language detection to the top level.
6576         * configure.ac: Remove code to detect languages,
6577         it now lives exclusively in the top level.
6578         * aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
6579         top level, renamed to ACX_PROG_GNAT.
6580
6581 2004-03-10  Richard Henderson  <rth@redhat.com>
6582
6583         * c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
6584         extra arguments.
6585         * config.host (*-*-solaris2*, *-*-linux*): Add out_host_hook_obj
6586         and host_xmake_file fragments.
6587         * ggc-common.c (gt_pch_save): Update for gt_pch_get_address change.
6588         (gt_pch_restore): Similarly for gt_pch_use_address.
6589         (default_gt_pch_get_address): New.
6590         (mmap_gt_pch_get_address): Split out of gt_pch_save.
6591         (default_gt_pch_use_address): Split out of gt_pch_restore.
6592         (mmap_gt_pch_use_address): Likewise.
6593         * hooks.c (hook_voidp_size_t_null): Remove.
6594         (hook_bool_voidp_size_t_false): Remove.
6595         * hooks.h: Likewise.
6596         * hosthooks-def.h (HOST_HOOKS_GT_PCH_GET_ADDRESS): Use one of the
6597         default_ or mmap_ definitions.
6598         (HOST_HOOKS_GT_PCH_USE_ADDRESS): Likewise.
6599         * hosthooks.h (struct host_hooks): Update gt_pch_get_address
6600         and gt_pch_use_address.
6601         * config/host-linux.c, config/host-solaris.c: New files.
6602         * config/x-linux, config/x-solaris: New files.
6603         * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_get_address):
6604         Update for changed definition.
6605         (darwin_rs6000_gt_pch_use_address): Likewise.
6606         * doc/hostconfig.texi: Update docs.
6607
6608 2004-03-10  Richard Henderson  <rth@redhat.com>
6609
6610         PR c/14517
6611         * c-decl.c (grokdeclarator): Don't warn for duplicate qualifiers
6612         except for pedantic c90 mode.
6613
6614 2004-03-10  Kelley Cook  <kcook@gcc.gnu.org>
6615
6616         * configure.ac: Bump AC_PREREQ to 2.59.
6617         * configure: Regenerate.
6618
6619 2004-03-10  Uros Bizjak  <uros@kss-loka.si>
6620
6621         * optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
6622         (exp10_optab, exp2_optab): Define corresponding macros.
6623         * optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
6624         * genopinit.c (optabs): Implement exp10_optab and exp2_optab
6625         using exp10?f2 and exp2?f2 patterns.
6626         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
6627         using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
6628         (expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
6629         using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
6630
6631         * config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
6632         exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
6633         exp2, exp2f and exp2l built-ins as inline x87 intrinsics.
6634
6635 2004-03-10  Anthony Green  <green@redhat.com>
6636
6637         * doc/invoke.texi (ARM Options): Fix -mpfu typo.
6638
6639 2004-03-10  David Edelsohn  <edelsohn@gnu.org>
6640
6641         * config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
6642         (TARGET_OS_AIX_CPP_BUILTINS): this.  Conditionally define
6643         __LONGDOUBLE128.
6644         * config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
6645         TARGET_OS_AIX_CPP_BUILTINS.
6646         * config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
6647         * config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
6648         * config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
6649         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
6650         previous change.
6651
6652 2004-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6653
6654         * fold-const.c (tree_expr_nonnegative_p): Add more builtin cases.
6655
6656 2004-03-10  David Edelsohn  <edelsohn@gnu.org>
6657
6658         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6659         __LONGDOUBLE128 on AIX.
6660
6661 2004-03-10  Andrew Haley  <aph@redhat.com>
6662
6663         PR optimization/14381
6664         * function.c (expand_function_end): Emit a blockage insn before
6665         the epilogue when -fnon-call-exceptions is used.
6666
6667         * except.c (expand_start_all_catch): Make comment more accurate.
6668
6669 2004-03-08  Joel Sherrill  <joel@oarcorp.com>
6670
6671         PR target/14480
6672         * config/rs6000/t-rtems: Add missing file on branch.
6673
6674 2004-03-10  Ulrich Weigand  <uweigand@de.ibm.com>
6675
6676         * dbxout.c (dbxout_symbol_location): Do not output references
6677         to optimized-out constant pool symbols.
6678
6679 2004-03-10  Andreas Schwab  <schwab@suse.de>
6680
6681         * config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable
6682         twon34_r.
6683
6684 2004-03-09  James E Wilson  <wilson@specifixinc.com>
6685
6686         * alias.c (alias_sets_might_conflict_p): New.
6687         * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1.
6688         * common.opt (Wstrict-aliasing=): New.
6689         * flags.h (warn_strict_aliasing): Change type to int.
6690         * opts.c (warn_strict_aliasing): Change type to int.
6691         (common_handle_option): Handle OPT_Wstrict_aliasing_.
6692         * tree.h (alias_sets_might_conflict_p): Declare it.
6693         * doc/invoke.tex (-Wstrict-aliasing=2): Document it.
6694
6695 2004-03-10  Roman Zippel  <zippel@linux-m68k.org>
6696
6697         PR bootstrap/12371
6698         * config/m68k/m68k.h (FIXED_REGISTERS): Add arg pointer.
6699         (CALL_USED_REGISTERS): Likewise.
6700         (REG_CLASS_CONTENTS): Likewise.
6701         (REG_ALLOC_ORDER): New.
6702         (REGNO_REG_CLASS): Use regno_reg_class.
6703         * config/m68k/m68k.c: Add regno_reg_class array.
6704
6705 2004-03-09  Steve Ellcey  <sje@cup.hp.com>
6706
6707         * config/ia64/ia64.md (divsi3): Fix algorithm.
6708           (udivsi3): Ditto.
6709           (setf_exp_xf): Remove '*' from name.
6710         * testsuite/gcc.dg/20040309-1.c: New test.
6711
6712 2004-03-09  Ian Lance Taylor  <ian@wasabisystems.com>
6713
6714         * system.h (SUNOS4_SHARED_LIBRARIES): Poison.
6715         * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
6716         * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
6717         * config/sparc/sparc.c (sparc_aout_select_section): Remove.
6718         (sparc_aout_select_rtx_section): Don't check
6719         SUNOS4_SHARED_LIBRARIES.
6720         * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.
6721
6722 2004-03-10  Hans-Peter Nilsson  <hp@axis.com>
6723
6724         PR other/14474
6725         * doc/md.texi (Pattern Ordering, Dependent Patterns)
6726         (Jump Patterns, Looping Patterns): Wrap in separate "@ifset
6727         INTERNALS".
6728
6729 2004-03-09  Zack Weinberg  <zack@codesourcery.com>
6730
6731         * config/ia64/hpux.h (MULTILIB_DEFAULTS): Define.
6732         (LIBGCC_SPEC): Update to match.
6733
6734 2004-03-09  Zack Weinberg  <zack@codesourcery.com>
6735
6736         * c-decl.c (last_function_parms, last_function_parm_tags)
6737         (last_function_parm_others, current_function_parms)
6738         (current_function_parm_tags, current_function_parm_others):
6739         Delete.
6740         (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES, ARG_INFO_OTHERS):
6741         New macros.
6742         (grokdeclarator): For function definitions, save the arg-info
6743         block from the declarator in DECL_ARGUMENTS.
6744         (grokparms): Do not write to last_function_parm*.  Use ARG_INFO_*
6745         macros to operate on arg-info block.  Can assume ARG_INFO_PARMS
6746         contains only PARM_DECLs.  Improve diagnostics.
6747         (get_parm_info): Use ARG_INFO_* macros.  Improve comments and
6748         diagnostics.  Disable some expensive checks if not ENABLE_CHECKING.
6749         (store_parm_decls_newstyle): Take the function to operate on,
6750         and an arg-info block, as arguments; don't get anything from
6751         current_function_* globals.
6752         (store_parm_decls_oldstyle): Likewise.
6753         (store_parm_decls): Pass fndecl and its arg-info block down to
6754         store_parm_decls_newstyle/oldstyle.  Send functions with empty
6755         argument lists through store_parm_decls_newstyle to reduce
6756         overhead.
6757         (pushdecl): Comment on the problems with the call to copy_node.
6758         Clear DECL_ARGUMENTS of the old node after copying it, if it
6759         is an arg-info block instead of a chain of decls.
6760         (start_function): Do not manipulate current_function_parm* or
6761         last_function_parm*.
6762
6763 2004-03-09  Roger Sayle  <roger@eyesopen.com>
6764             Andrew Pinski  <pinskia@physics.uc.edu>
6765
6766         * ifcvt.c (noce_try_sign_mask): New function to transform
6767         "x = (y < 0) ? z : 0" into the equivalent "x = (y >> C) & z".
6768         (noce_process_if_block): Call noce_try_sign_mask.
6769
6770 2004-03-09  Andrew Pinski  <apinski@apple.com>
6771
6772         * c-typeck.c (tagged_types_tu_compatible_p):
6773         Fix typo.
6774
6775 2004-03-09  Roger Sayle  <roger@eyesopen.com>
6776
6777         * simplify-rtx.c (simplify_const_relational_operation): New function
6778         renamed from simplify_relational_operation.
6779         (simplify_relational_operation): Change prototype to accept an
6780         additional mode argument.  Call simplify_const_relational_operation.
6781         (simplify_gen_relational): Update simplify_relational_operation call.
6782         (simplify_ternary_operation): Update simplify_relational_operation
6783         subroutine call to use simplify_const_relational_operation instead.
6784
6785         * rtl.h (simplify_const_relational_operation): Prototype here.
6786         (simplify_relational_operation): Add addtional mode argument.
6787
6788         * combine.c (combine_simplify_rtx): Update calls to
6789         simplify_relational_operation.
6790         (simplify_set): Likewise.
6791         (gen_binary): Likewise.
6792         * cse.c (fold_rtx): Likewise.
6793         * dojump.c (compare_from_rtx): Likewise.
6794         (do_compare_rtx_and_jump): Likewise.
6795         * integrate.c (subst_constants): Likewise.
6796         * unroll.c (simplify_cmp_and_jump_insns): Likewise.
6797
6798 2004-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6799
6800         * config/m32r/m32r.md: Remove all define_peephole's.
6801
6802 2004-03-09  Alan Modra  <amodra@bigpond.net.au>
6803
6804         * config/rs6000/rs6000.md: Remove trailing whitespace.
6805
6806 2004-03-08  Eric Christopher  <echristo@redhat.com>
6807
6808         * Makefile.in (site.exp): Add libiconv variable definition.
6809
6810 2004-03-09  Hans-Peter Nilsson  <hp@axis.com>
6811
6812         * configure: Regenerate for config/accross.m4 correction.
6813
6814 2004-03-08  Joel Sherrill  <joel@oarcorp.com>
6815
6816         PR target/14480
6817         * config/rs6000/t-rtems: Add missing file on branch.
6818
6819 2004-03-08  Roger Sayle  <roger@eyesopen.com>
6820
6821         PR middle-end/14289
6822         * c-typeck.c (c_mark_addressable): A register variable should
6823         be considered global if its not automatic, i.e. TREE_PUBLIC,
6824         TREE_STATIC or DECL_EXTERNAL.
6825         * function.c (put_var_into_stack): Call abort when placing a
6826         hard register into the stack, if x_parm_reg_stack_loc is NULL.
6827
6828 2004-03-08  Ulrich Weigand  <uweigand@de.ibm.com>
6829
6830         * config/s390/s390.md ("*extendqidi2_short_displ"): Add CC clobber.
6831         ("*extendqisi2_short_displ"): Likewise.
6832
6833 2004-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6834
6835         * config/pdp11/pdp11.c (comparison_operator_index): Remove.
6836         (comp_operator): Likewise.
6837         * config/pdp11/pdp11-protos.h: Remove corresponding
6838         prototypes.
6839
6840 2004-03-08  Eric Botcazou  <ebotcazou@act-europe.fr>
6841
6842         * expr.c (highest_pow2_factor_for_type): Rename into
6843         highest_pow2_factor_for_target.  Use DECL_ALIGN instead of
6844         TYPE_ALIGN when the target is a COMPONENT_REF.
6845         (expand_assignment): Ajust call to highest_pow2_factor_for_type.
6846
6847 2004-03-08  Alan Modra  <amodra@bigpond.net.au>
6848
6849         * config/rs6000/rs6000.c: Formatting fix.
6850         (legitimate_offset_address_p): Correct offset range check.
6851
6852         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6853         -msoft-float by -mcpu.  Consolidate similar code for MASK_MULTIPLE
6854         and MASK_STRING.
6855
6856 2004-03-07  Aldy Hernandez  <aldyh@redhat.com>
6857
6858         * config/rs6000/rs6000.md (ashrdi3): Do not call ashrdi3_no_power
6859         for little endian.
6860         ("ashrdi3_no_power"): Disable for little endian.
6861         (ashrdi3): Same.
6862
6863 2004-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6864
6865         * fold-const.c (tree_expr_nonnegative_p): Reformat checks for
6866         builtins.
6867
6868 2004-03-08  Hans-Peter Nilsson  <hp@axis.com>
6869
6870         PR target/14471
6871         * configure.ac (Target-specific assembler checks) <cris-*-*>: New
6872         case, checking for -no-mul-bug-abort option.
6873         * configure, config.in: Regenerate.
6874         * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround
6875         and -mno-mul-bug-workaround.
6876         * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart")
6877         ("mulsidi3", "umulsidi3"): Prefix output template with "%!".
6878         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"):
6879         Ditto.  Make attribute "slottable" dependent on TARGET_MUL_BUG.
6880         * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make
6881         sure mulu.d is not last on cache-line.
6882         * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround
6883         into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION.
6884         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros.
6885         (TARGET_SWITCHES): New options -mmul-bug-workaround and
6886         -mno-mul-bug-workaround.
6887         (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG.
6888         (PRINT_OPERAND_PUNCT_VALID_P): Include '!'.
6889         * config/cris/cris.c (cris_operand_extend_operator): Clarify
6890         relation to MULT in head comment.
6891         (cris_op_str): Abort for MULT.
6892         (cris_print_operand) <case '!'>: New case.
6893
6894 2004-03-08  Alan Modra  <amodra@bigpond.net.au>
6895
6896         PR debug/11983
6897         * dwarf2out.c (enum dw_val_class): Rename dw_val_class_float to
6898         dw_val_class_vec.  Replace use throughout file.
6899         (dw_float_const): Delete.
6900         (dw_vec_const): New.
6901         (dw_val_struct_union): Rename val_float to val_vec.  Replace use
6902         throughout file.
6903         (add_AT_vec): Rename from add_AT_float.  Add elt_size param.
6904         (same_dw_val_p): Adjust vec comparison.  Use memcmp.
6905         (size_of_die): Adjust dw_val_class_vec sizing.
6906         (output_die): Output dw_val_class_vec.
6907         (insert_int, extract_int, insert_float): New functions.
6908         (add_const_value_attribute): Use insert_float for CONST_DOUBLE.
6909         Handle CONST_VECTOR.
6910         (add_location_or_const_value_attribute): Handle CONST_VECTOR.
6911
6912 2004-03-07  Aldy Hernandez  <aldyh@redhat.com>
6913
6914         * config/rs6000/rs6000.c (rs6000_parse_abi_options): SPE and
6915         AltiVec abi cannot co-exist.
6916
6917         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Same.
6918
6919 2004-03-07  Jan Hubicka  <jh@suse.cz>
6920
6921         * except.c (emit_to_new_bb_before):  Break fallthru edges.
6922
6923 2004-03-07  Stephane Carrez  <stcarrez@nerim.fr>
6924
6925         * config/m68hc11/m68hc11.md ("*lshrsi3_const"): Disable for 68HC12.
6926         ("*lshrsi3"): Also accept an immediate for 68HC12.
6927         ("*ashrsi3_const"): Likewise.
6928         ("*ashrsi3"): Likewise.
6929         ("*ashlsi3_const"): Likewise.
6930         ("*ashlsi3"): Likewise.
6931         ("cmphi_1_hc12"): Compare two hard register by pushing them and
6932         comparing with a pop; don't use a split for that.
6933         ("cmphi split"): Disable compare split for 68HC12.
6934
6935         * config/m68hc11/m68hc11.c (m68hc11_notice_update_cc): Invalidate
6936         the status operands if they have side effects.
6937
6938 2004-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6939
6940         * defaults.h (LEGITIMIZE_ADDRESS): Provide a default
6941         definition.
6942         * config/arc/arc.h, config/fr30/fr30.h, config/frv/frv.h,
6943         config/h8300/h8300.h, config/ia64/ia64.h,
6944         config/mcore/mcore.h, config/mmix/mmix.h,
6945         config/ns32k/ns32k.h, config/pdp11/pdp11.h,
6946         config/stormy16/stormy16.h, config/v850/v850.h,
6947         config/vax/vax.h (LEGITIMIZE_ADDRESS): Remove.
6948         * doc/tm.texi (LEGITIMIZE_ADDRESS): Mention the default
6949         definition.
6950
6951 2004-03-07  Roger Sayle  <roger@eyesopen.com>
6952
6953         * fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
6954         <XOR_EXPR>: Fold x ^ x as zero.
6955         <AND_EXPR>: Fold x & x as x.
6956
6957 2004-03-07  Roger Sayle  <roger@eyesopen.com>
6958
6959         * fold-const.c (fold) <EQ_EXPR>: Rewrite optimization to transform
6960         "foo++ == const" into "++foo == const+incr".
6961
6962 2004-03-07  Richard Sandiford  <rsandifo@redhat.com>
6963
6964         * config/mips/mips.c (mips_in_small_data_p): Return false if
6965         TARGET_ABICALLS.
6966
6967 2004-03-06  Stephane Carrez  <stcarrez@nerim.fr>
6968
6969         * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Use 2,-sp to push
6970         the stack register.
6971         (expand_prologue): Don't make an interrupt or a trap handler a far
6972         symbol.
6973         (m68hc11_initial_elimination_offset): Likewise.
6974
6975 2004-03-06  Richard Henderson  <rth@redhat.com>
6976
6977         * config/alpha/alpha.c (alpha_in_small_data_p): False for functions.
6978
6979 2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6980
6981         * config/ns32k/ns32k-protos.h: Add a prototype for
6982         ns32k_notice_update_cc.
6983         * config/ns32k/ns32k.c (ns32k_notice_update_cc): New.
6984         * config/ns32k/ns32k.h (NOTICE_UPDATE_CC): Call
6985         ns32k_notice_update_cc.
6986
6987 2004-03-06  Ulrich Weigand  <uweigand@de.ibm.com>
6988
6989         * config/s390/s390.md ("load_multiple", "*load_multiple_di",
6990         "*load_multiple_si"): Allow only if reload_completed.
6991         ("store_multiple", "*store_multiple_di", "*store_multiple_si"):
6992         Likewise.
6993
6994 2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6995
6996         * config/vax/vax-protos.h: Add a prototype for
6997         vax_notice_update_cc.
6998         * config/vax/vax.c (vax_notice_update_cc): New.
6999         * config/vax/vax.h (NOTICE_UPDATE_CC): Call
7000         vax_notice_update_cc.
7001
7002 2004-03-06  David Edelsohn  <edelsohn@gnu.org>
7003
7004         * collect2.c (main): Only export initfunc and finifunc if
7005         LD_INIT_SWITCH not defined.
7006         (scan_prog_file): Only export constructors and destructors if
7007         LD_INIT_SWITCH not defined.  Only export symbols not found in
7008         shared objects.
7009
7010 2004-03-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7011
7012         * pa.md (icacheflush): Reorder operands to make match_scratch operand
7013         last.
7014         * pa.h (INITIALIZE_TRAMPOLINE): Remove unnecessary scratch argument
7015         from calls to gen_icacheflush.
7016
7017 2004-03-06  Richard Henderson  <rth@redhat.com>
7018
7019         * config/alpha/alpha.h (MASK_LONG_DOUBLE_128): New.
7020         (TARGET_LONG_DOUBLE_128): New.
7021         (TARGET_SWITCHES): Add long-double-{128,64}.
7022         (TARGET_HAS_XFLOATING_LIBS): Default to TARGET_LONG_DOUBLE_128.
7023         (LONG_DOUBLE_TYPE_SIZE): Honor TARGET_LONG_DOUBLE_128.
7024         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New.
7025         (WIDEST_HARDWARE_FP_SIZE): New.
7026         (TARGET_CPU_CPP_BUILTINS): Define __LONG_DOUBLE_128__.
7027         * config/alpha/alpha.c (override_options): Clear MASK_LONG_DOUBLE_128
7028         if TARGET_VAX_FLOAT.
7029         * config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7030         (TARGET_DEFAULT): Set MASK_LONG_DOUBLE_128.
7031
7032 2004-03-06  Richard Henderson  <rth@redhat.com>
7033
7034         * config/alpha/alpha.c (alpha_swapped_comparison_operator): Fix
7035         botched rtx class conversion.
7036
7037 2004-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7038
7039         * tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P,
7040         BUILTIN_CBRT_P, BUILTIN_ROOT_P): New macros.
7041
7042         * builtins.c (fold_builtin_logarithm, fold_builtin): Use new
7043         macros.
7044         * fold-const.c (fold_mathfn_compare, fold): Likewise.
7045
7046 2004-03-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7047
7048         PR target/14343
7049         * config/i386/i386.md (movv2di_internal): Conditionalize on
7050         TARGET_SSE, not TARGET_SSE2.
7051
7052 2004-03-05  Chris Demetriou  <cgd@broadcom.com>
7053
7054         * config.gcc (mips64orion-*-elf*, mips64orionel-*-elf*): Delete
7055         duplicated line.
7056
7057 2004-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7058
7059         * builtins.c: Consistently use logN not log* in comments.
7060
7061 2004-03-05  Andreas Krebbel  <krebbel1@de.ibm.com>
7062
7063         * rtl.h (mem_expr_equal_p): Function prototype added.
7064         * cfgcleanup.c (merge_memattrs): New function.
7065         (flow_find_cross_jump): Call merge_memattrs for matching insns.
7066         * emit-rtl.c (mem_expr_equal_p): New function.
7067
7068 2004-03-05  Ziemowit Laski  <zlaski@apple.com>
7069
7070         * objc/objc-act.c (synth_module_prologue): Const-qualify
7071         objc_selector type if using the GNU runtime; fix generated
7072         signatures for objc_msg_lookup and objc_msg_lookup_super
7073         to match what GNU ObjC headers provide; reformat and clean up.
7074         (synth_self_and_ucmd_args): Use previously constructed (and
7075         hence possibly const-qualified) objc_selector type.
7076
7077 2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7078
7079         * doc/tm.texi (HARD_REGNO_RENAME_OK): Document.
7080
7081 2004-03-05  Jason Merrill  <jason@redhat.com>
7082
7083         * tree.h (TYPE_HASH): Use TYPE_UID.
7084         (TREE_HASH): New macro with old definition of TYPE_HASH.
7085         * tree.c (build_type_attribute_variant): Use iterative_hash_object.
7086         (build_array_type, build_function_type): Likewise.
7087         (build_method_type_directly): Likewise.
7088         (build_offset_type, build_complex_type): Likewise.
7089         (type_hash_list, attribute_hash_list): Likewise. Now static.
7090         * except.c: s/TYPE_HASH/TREE_HASH/.
7091
7092 2004-03-05  Bob Wilson  <bob.wilson@acm.org>
7093
7094         * config/xtensa/xtensa.c (function_arg): Handle 16-byte aligned args.
7095         (xtensa_va_start): Initialize __va_stk to ($arg_ptr - 32).  Adjust
7096         __va_ndx by 2 words when referencing an argument on the stack.
7097         (xtensa_va_arg): Handle 16-byte aligned args.  Adjust __va_ndx by 2
7098         words when an arg on the stack is first seen.
7099
7100 2004-03-05  Paul Brook  <paul@codesourcery.com>
7101
7102         * arm.h (ARM_FLAG_VFP): Remove.
7103         (ARM_FLAG_ATPCS, CIRRUS_FIX_INVALID_INSNS): Renumber.
7104         * netbsd-elf.h (ARM_FLAG_VFP): Remove.
7105
7106 2004-03-05  Paul Brook  <paul@codesourcery.com>
7107
7108         * function.c (assign_parms): Include pretend alignment offset.
7109
7110 2004-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7111
7112         * stor-layout.c (layout_type, case FUNCTION_TYPE): Make size
7113         FUNCTION_BOUNDARY, not POINTER_SIZE * 2.
7114
7115 2004-03-05  Ian Lance Taylor  <ian@wasabisystems.com>
7116
7117         * configure.ac: When passing --enable-languages to subdir
7118         configure when host != build, make sure we don't pass an empty
7119         value.
7120         * configure: Regenerate.
7121
7122 2004-03-05  Nathan Sidwell  <nathan@codesourcery.com>
7123
7124         PR 13577
7125         * gcc.c (cc1_options): Robustify -auxbase-strip from multiple -o
7126         options.
7127
7128 2004-03-05  Paolo Bonzini  <bonzini@gnu.org>
7129
7130         * simplify-rtx.c (simplify_relational_operation): If
7131         flag_wrapv is set, do not move terms between the two
7132         side of a relational operator.
7133
7134 2004-03-05  Paolo Bonzini  <bonzini@gnu.org>
7135
7136         * rtlanal.c: Include target.h and output.h
7137         (rtx_cost, address_cost, default_address_cost): Move from...
7138         * cse.c (rtx_cost, address_cost, default_address_cost):
7139         ... this file.
7140         * rtl.h (rtx_cost, address_cost): Move under rtlanal.c.
7141         * Makefile.in: Adjust dependencies.
7142
7143 2004-03-05  Paolo Bonzini <bonzini@gnu.org>
7144
7145         * cse.c (cse_end_of_basic_block): Make static.
7146         * local-alloc.c (function_invariant_p): Move to
7147         reload1.c.
7148         * loop.c (libcall_other_reg, record_excess_regs):
7149         Make static.
7150         * reload1.c (function_invariant_p): Moved here
7151         from local-alloc.c, made static.
7152         * rtl.h (cse_end_of_basic_block, function_invariant_p,
7153         libcall_other_reg, record_excess_regs): Remove
7154         declarations.
7155
7156 2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7157
7158         * config/m32r/m32r.c (signed_comparison_operator): Add a
7159         missing parenthesis.
7160
7161 2004-03-04  Ian Lance Taylor  <ian@wasabisystems.com>
7162
7163         * ggc-common.c (gt_pch_restore): Don't unmap addr unless we are
7164         going to call mmap again.  Read the file into the right place.
7165         Give a fatal error if we have to relocate.
7166
7167 2004-03-04  Bob Wilson  <bob.wilson@acm.org>
7168
7169         * config/xtensa/xtensa.c (xtensa_return_in_msb): New function.
7170         (TARGET_RETURN_IN_MSB): Define to xtensa_return_in_msb.
7171
7172 2004-03-05  Hans-Peter Nilsson  <hp@axis.com>
7173
7174         PR other/14354
7175         * config/fp-bit.c (_fpdiv_parts): Do not round when pack_d would
7176         round the same.  When rounding, clear bits that would cause a
7177         second rounding in pack_d.
7178         (_fpmul_parts): Ditto.  Remove #if 0:d code.
7179
7180 2004-03-04  Ziemowit Laski  <zlaski@apple.com>
7181
7182         PR c++/14425, c++/14426
7183         * config/rs6000/altivec.h (vec_splat_s8, vec_splat_s16,
7184         vec_splat_s32, vec_splat_u8, vec_splat_u16, vec_splat_u32):
7185         Change C++ definitions to accept a 'const int' argument;
7186         the prototypes already do.
7187         * config/rs6000/rs6000.c (rs6000_common_init_builtins):
7188         Rename v4si_ftype_char, v8hi_ftype_char, v16qi_ftype_char,
7189         v4sf_ftype_v4si_char, v4si_ftype_v4sf_char, v4si_ftype_v4si_char,
7190         v8hi_ftype_v8hi_char, v16qi_ftype_v16qi_char,
7191         v16qi_ftype_v16qi_v16qi_char, v8hi_ftype_v8hi_v8hi_char,
7192         v4si_ftype_v4si_v4si_char and v4sf_ftype_v4sf_v4sf_char to
7193         end in ..._int; change them to accept an int instead of a char
7194         as the last parameter.
7195
7196 2004-03-04  Phil Edwards  <phil@codesourcery.com>
7197
7198         * genmultilib:  Change '=' to '-' when translating option names
7199         to directory names.
7200
7201 2004-03-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7202
7203         * expr.c (expand_expr_real, case COMPONENT_REF): Get proper type of
7204         stack slot for temp used for result of BLKmode but in integral mode.
7205
7206 2004-03-04  Jan Hubicka  <jh@suse.cz>
7207
7208         * reload.c (find_reloads): Reorganize if seqeunce to switch.
7209
7210         * cfgrtl.c (rtl_redirect_edge_and_branch):  Set the source BB as dirty.
7211         (cfglayout_redirect_edge_and_branch):  Set the source BB as dirty.
7212
7213 2004-03-04  Steve Ellcey  <sje@cup.hp.com>
7214
7215         * config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm.
7216         * testsuite/gcc.dg/20040303-1.c: New test.
7217
7218 2004-03-04  Steven Bosscher  <stevenb@suse.de>
7219
7220         * ppro.md: Rewrite as a DFA pipeline description.
7221         * i386.md: Remove all uses of the ppro_uops attribute.
7222         * i386.c: (ix86_safe_ppro_uops, ix86_dump_ppro_packet,
7223         ix86_reorder_insn, ix86_sched_reorder_ppro, ix86_sched_init,
7224         ix86_sched_reorder, ix86_variable_issue,
7225         struct ix86_sched_data, TARGET_SCHED_VARIABLE_ISSUE,
7226         TARGET_SCHED_INIT, TARGET_SCHED_REORDER): Remove.
7227         (ia32_use_dfa_pipeline_interface): Add TARGET_PENTIUMPRO.
7228         (ia32_multipass_dfa_lookahead): Add TARGET_PENTIUMPRO.
7229         * athlon.md (athlon_ssecmp_load): Fix comment
7230
7231 2004-03-04  Stuart Hastings  <stuart@apple.com>
7232
7233         * gcc/doc/invoke.texi: Document -mlongcall for Darwin/PPC.
7234
7235 2004-03-04  Stuart Hastings  <stuart@apple.com>
7236
7237         * gcc/config/i386/darwin.h: Darwin/x86 doesn't support CPUs before
7238         686, tell Darwin assembler to allow prefetch insns, non-empty def
7239         of SUBTARGET_OPTION_TRANSLATE_TABLE.
7240
7241 2004-03-04  DJ Delorie  <dj@redhat.com>
7242
7243         PR optimization/14282
7244         * sched-deps.c (sched_analyze_insn): Allow a stack adjustment
7245         between a call and the assignment of its return value.
7246
7247 2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7248
7249         * config/h8300/h8300.c: Put a comment for every function.
7250
7251 2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7252
7253         * config/h8300/h8300.md: Add comments about peephole2's.
7254
7255 2004-03-04  Steven Bosscher  <stevenb@suse.de>
7256
7257         * i386.h (TARGET_CPU_DEFAULT_nocona): Fix value.
7258
7259 2004-03-04  Jan Hubicka  <jh@suse.cz>
7260
7261         * cfgcleanup.c (thread_jump): Update call of cselib_init.
7262         * cselib.c (cselib_record_memory): New static variable.
7263         (cselib_lookup_mem, cselib_record_set, cselib_record_sets):
7264         Give up on memories when asked for.
7265         (cselib_init): Accept new argument.
7266         * cselib.h (cselib_init): Update prototype.
7267         * gcse.c (local_cprop_pass): Update call of cselib_init.
7268         * loop.c (load_mems): Update call of cselib_init.
7269         * postreload.c (reload_cse_regs_1): Update call of cselib_init.
7270         * sched-deps.c (sched_analyze): Update call of cselib_init.
7271
7272 2004-03-04  David Edelsohn  <edelsohn@gnu.org>
7273             GP <gp@qnx.com>
7274
7275         * config/rs6000/rs6000.c (output_function_profiler): Append @plt
7276         when compiling PIC.
7277
7278 2004-03-04  Josef Zlomek  <zlomekj@suse.cz>
7279
7280         PR/14362
7281         * var-tracking.c (track_expr_p): Do not track variables which
7282         should be ignored for debugging purposes.
7283
7284 2004-03-04  Alan Modra  <amodra@bigpond.net.au>
7285
7286         * real.c (encode_ibm_extended): Don't bother rounding low double.
7287         * c-cppbuiltin.c (builtin_define_float_constants): Tweak MAX
7288         when fmt->pnan < fmt->p.
7289
7290 2004-03-04  Eric Christopher  <echristo@redhat.com>
7291
7292         * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Fix to check
7293         only range of valid arg registers and fixed_regs.
7294
7295 2004-03-04  Alan Modra  <amodra@bigpond.net.au>
7296
7297         PR target/14406
7298         * config/rs6000/rs6000.md (abstf2, abstf2+1): Delete define_insn.
7299         (abstf2, abstf2_internal): New define_expand.
7300
7301 2004-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7302
7303         PR optimization/14235
7304         * expr.c (convert_move): Copy the source to a new pseudo
7305         when converting from a sub-word source to a larger-than-word
7306         register which conflicts with the source.
7307
7308 2004-03-03  Zack Weinberg  <zack@codesourcery.com>
7309
7310         PR 13728
7311         * c-decl.c (diagnose_mismatched_decls): Issue an error for two
7312         parameters with the same name, unless one is a forward decl.
7313         Do not issue a redundant-redeclaration warning for forward
7314         decls of parameters.
7315
7316 2004-03-04  David Edelsohn  <edelsohn@gnu.org>
7317
7318         * doc/install.texi (*-ibm-aix*): Document use of Bash to speed up
7319         configuration.
7320
7321 2004-03-03  Ian Lance Taylor  <ian@wasabisystems.com>
7322
7323         * ggc-zone.c (ggc_pch_write_object): Don't align file pointer.
7324
7325 2004-03-04  Alan Modra  <amodra@bigpond.net.au>
7326
7327         * target-def.h (TARGET_OPTF): Delete.
7328         * c-opts.c (TARGET_OPTF): Define.
7329
7330 2004-03-04  Jan Hubicka  <jh@suse.cz>
7331
7332         * cselib.c (cselib_finish): Fix another miss-application of my previous
7333         patch.
7334
7335 2004-03-03  Mike Stump  <mrs@apple.com>
7336
7337         Add framework support for darwin.
7338
7339         * c-incpath.c: Include target.h and machmode.h.
7340         (add_path): Use a consistent style for cpp_dir.  Initialize
7341         p->construct to 0.
7342         (add_cpp_dir_path): New.
7343         (register_include_chains): Add use of extra_includes callback.
7344         (hook_void_int): Add.
7345         (target_c_incpath): Add.
7346         * c-incpath.h (add_cpp_dir_path): New.
7347         (target_c_incpath_s): Add.
7348         (target_c_incpath): Add.
7349         (C_INCPATH_INIT): Add.
7350         * c-opts.c (c_common_missing_argument,
7351         c_common_handle_option): Add -F argument processing.
7352         * c.opt: Add -F argument processing.
7353         * gcc.c (trad_capable_cpp): Add -F argument processing.
7354         * cppfiles.c (find_file_in_dir): Update to use construct
7355         callback.
7356         (search_path_exhausted, cpp_get_path, cpp_get_buffer,
7357         cpp_get_prev): New.
7358         (_cpp_find_file): Use search_path_exhausted.
7359         (make_cpp_dir): Initialize construct to 0.
7360         * cpplib.h (missing_header_cb
7361         cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
7362         (cpp_callbacks): Add missing_header
7363         (cpp_dir): Add construct.
7364         * target-def.h: (TARGET_OPTF): New.
7365         * hooks.c (hook_void_int, hook_void_charptr): Add.
7366         * hooks.h (hook_void_int, hook_void_charptr): Add.
7367         * Makefile.in (c-incpath.o) : Add $(TARGET_H) and
7368         $(MACHMODE_H) dependencies.
7369         * doc/invoke.texi (Darwin Options): Document -F.
7370         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
7371         (TARGET_OPTF): Add.
7372         * fix-header.c (target_c_incpath): Add.
7373
7374         * config/darwin-c.c: Add c-incpath.h include.
7375         (using_frameworks, find_subframework_file,
7376         find_subframework_header, add_system_framework_path,
7377         frameworks_in_use, num_frameworks, max_frameworks,
7378         add_framework, find_framework, struct framework_header,
7379         framework_header_dirs, framework_construct_pathname,
7380         find_subframework_file, add_system_framework_path,
7381         add_framework_path, framework_defaults,
7382         darwin_register_frameworks, find_subframework_header): Add.
7383         * config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
7384         (TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
7385         (CPP_SPEC): Add __APPLE_CC__ support.
7386         * t-darwin (darwin-c.o): Add c-incpath.h dependency.
7387
7388 2004-03-04  Jan Hubicka  <jh@suse.cz>
7389
7390         * cselib.c (cselib_finish): Fix miss-application of my previous
7391         patch.
7392
7393 2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7394
7395         * hooks.c (hook_tree_tree_identity): New.
7396         * hooks.h: Add a prototype for hook_tree_tree_identity.
7397         * stmt.c (expand_asm_operands): Use targetm.md_asm_clobbers
7398         instead of MD_ASM_CLOBBERS.
7399         * system.h (MD_ASM_CLOBBERS): Poison.
7400         * target-def.h (TARGET_MD_ASM_CLOBBERS): New.
7401         (TARGET_INITIALIZER): Add TARGET_MD_ASM_CLOBBERS.
7402         * target.h (gcc_target): Add md_asm_clobbers.
7403         * config/i386/i386.c (TARGET_MD_ASM_CLOBBERS): New.
7404         (ix86_md_asm_clobbers): New.
7405         * config/i386/i386.h (MD_ASM_CLOBBERS): Remove.
7406         * doc/tm.texi (MD_ASM_CLOBBERS): Change to
7407         TARGET_MD_ASM_CLOBBERS.
7408
7409 2004-03-03  Stuart Hastings  <stuart@apple.com>
7410
7411         * gcc/config.gcc: Arrange for Darwin/x86 to build libgcc_eh.a.
7412
7413 2004-03-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7414
7415         * config/sparc/sparc.c (noov_compare64_op): Fix typo.
7416
7417         * config/sparc/sparc.h (ASM_FLOAT): Delete.
7418         (ASM_DOUBLE): Likewise.
7419         (ASM_LONGDOUBLE): Likewise.
7420         * config/sparc/pbd.h (ASM_INT_OP): Delete.
7421
7422 2003-03-03  Richard Henderson  <rth@redhat.com>
7423
7424         PR opt/13862
7425         * cselib.c (cselib_record_sets): Don't record multiple sets in
7426         asm insns.
7427
7428 2004-03-03  Mostafa Hagog  <mustafa@il.ibm.com>
7429
7430         * common.opt: Add description of the new -fgcse-after-reload flag.
7431
7432         * flags.h (flag_gcse_after_reload): Declaration of global variable.
7433
7434         * gcse.c (reg_used_on_edge ,reg_set_between_after_reload_p,
7435         reg_used_between_after_reload_p, rtx get_avail_load_store_reg,
7436         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
7437         get_bb_avail_insn, hash_scan_set_after_reload,
7438         compute_hash_table_after_reload, eliminate_partially_redundant_loads,
7439         gcse_after_reload, get_bb_avail_insn): New functions to implement
7440         gcse-after-reload.
7441         (gcse_after_reload_main): New function, the main entry point to
7442         gcse-after-reload.
7443
7444         * rtl.h (gcse_after_reload_main): Declaration of the new function.
7445
7446         * opts.c (common_handle_option): Handle the -fgcse-after-reload flag.
7447
7448         * toplev.c (flag_gcse_after_reload): Initialization.
7449
7450         * passes.c (rest_of_handl_gcse2): Call gcse_after_reload_main.
7451
7452         * params.def (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
7453         PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION): New parameters for tuning
7454         the gcse after reload optimization.
7455
7456         * params.h (GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
7457         GCSE_AFTER_RELOAD_CRITICAL_FRACTION): Two macros to access the tuning
7458         parameters.
7459
7460         * doc/invoke.texi: Documentation for the new flag gcse-after-reload.
7461
7462 2004-03-03  Nicolas Pitre <nico@cam.org>
7463
7464         * config/arm/ieee754-df.S (muldf3, divdf3): Fix denormalization of
7465         small negative values.
7466
7467 2004-03-03  Jan Hubicka  <jh@suse.cz>
7468
7469         * cselib.c (hash_table):  Remove GTY marker.
7470         (reg_values): Turn into array.
7471         (used_regs): Likewise.
7472         (n_used_regs): New static variable.
7473         (reg_values_old): Kill.
7474         (clear_table): Update uses of arrays.
7475         (cselib_lookup): Likewise.
7476         (cselib_record_set): Likewise.
7477         (cselib_init): Likewise.
7478         (cselib_finish): Likewise.
7479         (cselib_udpate_varray_sizes): Kill.
7480         * cselib.h (cselib_update_varray_sizes): Kill.
7481
7482 2004-03-03  Paul Brook  <paul@codesourcery.com>
7483
7484         * flow.c (ior_reg_cond, and_reg_cond): Remove stray ")".
7485
7486 2004-03-03  Jan Hubicka  <jh@suse.cz>
7487
7488         * ggc-common.c (ggc_alloc_cleared_stat, ggc_realloc_stat):
7489         Rename from ...; make statistics transparent.
7490         (ggc_alloc_cleared, ggc_realloc_stat): ... these.
7491         (loc_descriptor): New structure.
7492         (hash_descriptor, eq_descriptor, loc_descriptor, cmp_statistics,
7493         add_statistics):
7494         New static function.
7495         (ggc_record_overhead, dump_statistics): New global function.
7496         * ggc-none.c (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
7497         ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Rename
7498         from ...; accept locations
7499         (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
7500         ggc_realloc, ggc_alloc_typed):  ... this one.
7501         from ...; accept locations
7502         * ggc-page.c (ggc_alloc_typed_stat, ggc_alloc_zone_stat,
7503         ggc_alloc_stat): Rename from ... ; pass locations
7504         * ggc-page.c (ggc_alloc_typed, ggc_alloc_zone, ggc_alloc):
7505         ... this one.
7506         (ggc_alloc_stat): Record overehead.
7507         * ggc.h (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
7508         ggc_realloc, ggc_alloc_typed):  Turn to macros
7509         (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
7510         ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Declare.
7511         (dump_ggc_loc_satistics, ggc_record_overehead): Declare.
7512         * langhooks.h (lhd_make_node): Declare.
7513         (LANG_HOOKS_MAKE_TYPE): Default to new function,
7514         * langhooks.c (lhd_make_node): New.
7515         * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Rename from ... ; pass
7516         locations.
7517         (rtx_alloc, swallow_copy_rtx): ... this one.
7518         * rtl.h (rtx_alloc, swallow_copy_rtx): Turn to macros.
7519         * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Declare.
7520         * toplpev.c (finalize): Dump stats.
7521         * tree.c (make_node_stat, copy_node_stat, make_tree_vec_stat,
7522         build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
7523         Rename from ... ; pass locators.
7524         (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
7525         build?,  build_decl): Declare.
7526         * tree.h (make_node_stat, copy_node_stat, make_tree_vec_stat,
7527         build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
7528         Declare.
7529         (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
7530         build?,  build_decl): New macros.
7531         * Makefile.in (RTL_H, TREE_H): Add statistics.h dependency.
7532         * statistics.h: New file.
7533
7534 2004-03-03  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
7535             Richard Sandiford  <rsandifo@redhat.com>
7536
7537         * config/mips/mips.h (MASK_FIX_SB1): Bump.
7538         (MASK_FIX_R4400, TARGET_FIX_R4400): New macros.
7539         (TARGET_SWITCHES): Add -mfix-r4400 and -mno-fix-r4400.
7540         * config/mips/mips.c (mips_output_division): Fill the branch delay
7541         slot with a nop if TARGET_FIX_R4000.  Extend R4000 workarounds to
7542         TARGET_FIX_R4400.
7543         (mips_output_division): Adjust accordingly.
7544         (override_options): Make -march=r4400 imply -mfix-r4400 by default.
7545         * doc/invoke.texi: Document -mfix-r4400 and new errata workarounds.
7546
7547 2004-03-03  Paolo Bonzini  <bonzini@gnu.org>
7548
7549         * alias.c (rtx_equal_for_memref_p): Use predicates
7550         to test rtx classes and new rtx class codes, possibly
7551         splitting conditionals that tested against '<' and 'o'.
7552         * caller-save.c (save_call_clobbered_regs): Likewise.
7553         * combine.c (contains_muldiv, find_split_point, subst,
7554         combine_simplify_rtx, simplify_if_then_else,
7555         simplify_set, simplify_logical, expand_compound_operation,
7556         make_compound_operation, if_then_else_cond, known_cond,
7557         apply_distributive_law, cached_nonzero_bits,
7558         cached_num_sign_bit_copies, simplify_shift_const,
7559         gen_binary, simplify_comparison, update_table_tick,
7560         record_value_for_reg, get_lsat_value_validate): Likewise.
7561         * cse.c (mention_regs, find_best_addr, find_comparison_args,
7562         fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
7563         Likewise.
7564         * emit-rtl.c (copy_insn_1): Likewise.
7565         * expr.c (force_operand): Likewise.
7566         * final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
7567         * flow.c (notice_stack_pointer_modification_1,
7568         invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
7569         and_reg_cond, elim_reg_cond): Likewise.
7570         * function.c (update_epilogue_consts): Likewise.
7571         * genattrtab.c (attr_rtx_1): Likewise.
7572         * genopinit.c (gen_insn): Likewise.
7573         * integrate.c (subst_constants): Likewise.
7574         * jump.c (reversed_comparison_code_parts,
7575         reversed_comparison_code, delete_related_insns,
7576         rtx_renumbered_equal_p): Likewise.
7577         * local-alloc.c (block_alloc): Likewise.
7578         * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
7579         canonicalize_condition): Likewise.
7580         * loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
7581         Likewise.
7582         * optabs.c (add_equal_node, expand_binop): Likewise.
7583         * predict.c (estimate_probability): Likewise.
7584         * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
7585         * recog.c (validate_replace_rtx_1, comparison_operator,
7586         offsettable_address_p, constrain_operands): Likewise.
7587         * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
7588         Likewise.
7589         * regclass.c (scan_one_insn): Likewise.
7590         * regmove.c (stable_and_no_regs_but_for_p): Likewise.
7591         * regrename.c (kill_autoinc_value): Likewise.
7592         * reload.c (find_reusable_reload, find_reloads,
7593         reg_overlap_mentioned_for_reload_p): Likewise.
7594         * reload1.c (gen_reload, delete_address_reloads_1): Likewise.
7595         * rtl.c (copy_rtx): Likewise.
7596         * rtl.h (CONSTANT_P, INSN_P): Likewise.
7597         * rtlanal.c (commutative_operand_precedence): Likewise.
7598         * sched-deps.c (conditions_mutex_p): Likewise.
7599         * sched-rgn.c (is_cfg_nonregular): Likewise.
7600         * simplify-rtx.c (simplify_gen_binary,
7601         simplify_gen_relational, simplify_replace_rtx,
7602         simplify_unary_operation, simplify_binary_operation,
7603         simplify_ternary_operation, simplify_rtx): Likewise.
7604         * unroll.c (reg_dead_after_loop): Likewise.
7605         * config/alpha/alpha.c (alpha_swapped_comparison_operator,
7606         print_operand): Likewise.
7607         * config/arc/arc.c (proper_comparison_operator): Likewise.
7608         * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
7609         Likewise.
7610         * config/avr/avr.c (_reg_unused_after): Likewise.
7611         * config/frv/frv.c (frv_ifcvt_modify_tests,
7612         frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
7613         * config/i386/i386.c (ix86_comparison_operator,
7614         ix86_carry_flag_operator, fcmov_comparison_operator,
7615         arith_or_logical_operator, print_operand,
7616         ix86_expand_binary_operator, ix86_binary_operator_ok):
7617         Likewise.
7618         * config/i386/i386.md: Likewise.
7619         * config/ia64/ia64.c (not_postinc_memory_operand,
7620         ia64_print_operand, update_set_flags, errata_emit_nops):
7621         Likewise.
7622         * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
7623         CONSTRAINT_OK_FOR_S): Likewise.
7624         * config/ip2k/ip2k.c (mdr_resequence_xy_yx,
7625         mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
7626         ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
7627         ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
7628         Likewise.
7629         * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
7630         eqne_comparison_operator, signed_comparison_operator):
7631         Likewise.
7632         * config/mips/mips.c (cmp_op, symbolic_expression_p):
7633         Likewise.
7634         * config/mmix/mmix (mmix_foldable_comparison_operator,
7635         mmix_comparison_operator): Likewise.
7636         * config/pa/pa.c (hppa_legitimize_address): Likewise.
7637         * config/rs6000/rs6000.c (stmw_operation,
7638         branch_comparison_operator, trap_comparison_operator,
7639         ccr_bit): Likewise.
7640         * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
7641         * config/s390/s390.c (s390_alc_comparison,
7642         s390_slb_comparison):L Likewise.
7643         * config/sh/sh.c (gen_block_redirect, reg_unused_after):
7644         Likewise.
7645         * config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
7646         noov_compare_op, noov_compare64_op, v9_regcmp_op,
7647         emit_hard_tfmode_operation, reg_unused_after)
7648         * doc/md.texi, doc/rtl.texi: Likewise.
7649
7650         * ra-debug.c: Add 2004 to list of copyright years.
7651         * unroll.c: Likewise.
7652
7653         * combine.c (simplify_logical): Remove dummy test,
7654         (apply_distributive_law): Fix typo in comment.
7655         GET_CODE (x) == AND so x is a commutative binary op.
7656         * jump.c (delete_related_insns): simplify loop
7657         condition, move testing of RTX codes inside the loop.
7658         (rtx_renumbered_equal_p): do not use RTX_CODE.
7659         * rtl.c (rtx_class): Declare as enum rtx_class.
7660         * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
7661         Move to RTX_COMM_COMPARE class.
7662         (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
7663         Move to RTX_CONST_OBJ class.
7664         * rtl.h (enum rtx_class): New declaration,
7665         (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
7666         RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
7667         RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
7668         RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
7669         RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
7670         ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
7671         SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
7672         OBJECT_P): New macros.
7673         * config/sparc/sparc.c (noov_compare_op): Remove register
7674         from parameter.
7675
7676 2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7677
7678         * target.h: Remove texi jargons in comments.
7679
7680 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7681
7682         * config/h8300/lib1funcs.asm (___fixunssfsi): Change the
7683         threshold to 0x4f.
7684
7685         Revert:
7686         2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
7687         * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
7688         as well.
7689         * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
7690         * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.
7691
7692 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7693
7694         * doc/md.texi (cbranchmode4): New.
7695
7696 2004-03-02  Eric Christopher  <echristo@redhat.com>
7697
7698         * config/mips/mips16.S: Change fixsfsi and fixdfsi to
7699         fix_trunc.
7700         * config/mips/mips.c (mips_init_libfuncs): Change accordingly.
7701         * config/mips/t-elf (LIB1ASMFUNCS): Ditto.
7702         * config/mips/t-isa3264 (LIB1ASMFUNCS): Ditto.
7703         * config/mips/t-r3900 (LIB1ASMFUNCS): Ditto.
7704
7705 2004-03-02  Richard Henderson  <rth@redhat.com>
7706
7707         PR middle-end/11767
7708         * coverage.c (coverage_counter_ref): Set MEM_NOTRAP_P.
7709         * optabs.c (prepare_cmp_insn): Force trapping memories to registers
7710         before the compare, if flag_non_call_exceptions.
7711
7712 2004-03-02  Richard Henderson  <rth@redhat.com>
7713
7714         PR middle-end/14327
7715         * stmt.c (expand_computed_goto): Do do_pending_stack_adjust before
7716         emitting the label, not after.
7717
7718 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7719
7720         * config/m68hc11/m68hc11.c (m68hc11_addr_mode): New variable.
7721         (m68hc11_mov_addr_mode): Likewise.
7722         (m68hc11_override_options): Initialize them based on target.
7723         (register_indirect_p): Allow a MEM for indirect addressing modes and
7724         use flags to control what is allowed.
7725         (m68hc11_small_indexed_indirect_p): Use m68hc11_mov_addr_mode for
7726         supported addressing modes.
7727         (m68hc11_register_indirect_p): Use m68hc11_addr_mode.
7728         (go_if_legitimate_address_internal): Likewise.
7729         (m68hc11_indirect_p): Likewise and check the mode.
7730         (print_operand): Allow a (MEM (MEM)) and generate indirect addressing.
7731
7732 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7733
7734         * builtins.c (BUILTIN_SETJMP_FRAME_VALUE): Remove.
7735         (expand_builtin_setjmp_setup): Use
7736         targetm.builtin_setjmp_frame_value instead of
7737         BUILTIN_SETJMP_FRAME_VALUE.
7738         * system.h (BUILTIN_SETJMP_FRAME_VALUE): Poison.
7739         * target-def.h (TARGET_BUILTIN_SETJMP_FRAME_VALUE): New.
7740         (TARGET_INITIALIZER): Add TARGET_BUILTIN_SETJMP_FRAME_VALUE.
7741         * target.h (gcc_target): Add builtin_setjmp_frame_value.
7742         * targhooks.c (default_builtin_setjmp_frame_value): New.
7743         * targhooks.h: Add a prototype for
7744         default_builtin_setjmp_frame_value.
7745         * doc/tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Change to
7746         TARGET_BUILTIN_SETJMP_FRAME_VALUE.
7747
7748 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7749
7750         * config/m68hc11/m68hc11.md (move peephole2): New peepholes to optimize
7751         sequences of moves.
7752         (add peepholes): New peepholes to optimize sequences adding small
7753         constants.
7754         (bset peepholes): New peepholes to transform an OR in a bset form
7755         (bclr peepholes): Likewise for bclr form.
7756         (cmp peepholes): New peepholes to avoid register copies when comparing.
7757
7758 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7759
7760         * config/m68hc11/m68hc11.md ("*pushdi_internal"): New insn and split
7761         to separate push from moves.
7762         ("*pushdf_internal"): Likewise.
7763         ("*pushsf_internal"): Likewise.
7764         ("*pushsi_internal"): Likewise.
7765         ("movdi_internal"): Use define_insn_and_split; non push operand.
7766         ("movdf_internal"): Likewise.
7767         ("movsf_internal"): Likewise.
7768         ("movsi_internal"): Likewise.
7769         ("*movhi_68hc12", "*addhi3_68hc12"): Fix and tune constraints
7770         ("*addhi3", "*subhi3", "*andhi3_mem", "*iorhi3_mem"): Likewise.
7771         ("*ashlsi3_const1", "*lshrsi3_const1"): Likewise.
7772
7773 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7774
7775         * config/m68hc11/m68hc11.md ("tstqi_z_used"): Use define_insn_and_split.
7776         ("cmphi_z_used", "cmpqi_z_used"): Likewise.
7777         ("movstrictsi", "movstricthi", "movstrictqi"): Likewise.
7778         ("anddi3", "andsi3", "iordi3", "iorsi3"): Likewise.
7779         ("xordi3", "xorsi3", "*logicalsi3_zexthi"): Likewise.
7780         ("*logicalsi3_zextqi", "*logicalhi3_zexthi_ashift8"): Likewise.
7781         ("logicalhi3_zexthi", "*logicalsi3_silshr16"): Likewise.
7782         ("*logicalsi3_silshl16", "*logicalsi3_silshl16_zext"): Likewise.
7783         ("*ashldi3_const32", "*ashldi3_const1", "addsi_silshr16"): Likewise.
7784         ("addsi_andshr16", "*ashlsi3_const16_zexthi"): Likewise.
7785         ("*lshrdi3_const32", "*lshrdi_const1"): Likewise.
7786
7787 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7788
7789         * config/m68hc11/m68hc11.md (SOFT_TMP_REGNUM): Define.
7790         (SOFT_XY_REGNUM): Define.
7791         (cmp split): Use the above instead of hard coded numbers.
7792         (8-bit op split): No need to check the mode; allow Q_REG.
7793         (ashift split): Adjust the first operand if it uses the SP and we
7794         are pushing the shifted value.
7795         (plus shift split): Fix when a source is in register D+X.
7796         ("doloop_end"): Pass dummy arguments to gen_rtx_NE.
7797
7798 2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>
7799
7800         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix when
7801         comparing with Z register.
7802
7803 2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7804
7805         * cfgloop.h (struct loop_desc): Removed.
7806         (struct loop): Fields simple, desc and has_desc removed.
7807         (simple_loop_p, count_loop_iterations): Declaration removed.
7808         * cfgloopanal.c (struct unmark_altered_insn_data): Removed.
7809         (unmark_altered, blocks_invariant_registers, unmark_altered_insn
7810         blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
7811         invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
7812         simple_loop_exit_p, variable_initial_value, variable_initial_values,
7813         simple_condition_p, simple_increment, count_strange_loop_iterations,
7814         inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
7815         Removed.
7816         * loop-iv.c (check_simple_exit, find_simple_exit): Update comments.
7817
7818 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7819
7820         * genattrtab.c: Don't handle MATCH_INSN.
7821         * genrecog.c: Likewise.
7822         * gensupport.c: Likewise.
7823         * rtl.def (match_insn): Remove.
7824         * doc/md.texi (match_insn, match_insn2): Remove.
7825
7826 2004-03-02  Mark Mitchell  <mark@codesourcery.com>
7827
7828         * doc/c-tree.texi (DECL_ASSEMBLER_NAME): Mention that using this
7829         macro results in memory allocation.
7830
7831 2004-03-02  David O'Brien  <obrien@FreeBSD.org>
7832
7833         * config/freebsd-spec.h (FBSD_DYNAMIC_LINKER): Add.
7834         * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Define
7835         %(fbsd_dynamic_linker),
7836         (LINK_SPEC): Use %(fbsd_dynamic_linker), and sync style with
7837         config/i386/freebsd.h
7838         * config/arm/freebsd.h: Ditto.
7839         * config/i386/freebsd.h: Ditto.
7840         * config/i386/freebsd64.h: Ditto.
7841         * config/ia64/freebsd.h: Ditto.
7842         * config/rs6000/sysv4.h: Ditto.
7843         * config/sparc/freebsd.h: Ditto.
7844
7845 2004-03-02  Loren James Rittle  <ljrittle@acm.org>
7846
7847         * gcc/doc/install.texi (*-*-freebsd*): Update target information.
7848
7849 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7850
7851         * rtl.def (define_combine): Remove.
7852
7853 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7854
7855         * config/h8300/h8300.md: Tweak formatting.
7856
7857 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7858
7859         * config/h8300/h8300.md (*cmphi_h8300): Rename to
7860         *cmphi_h8300_znvc.
7861         (*cmphi_h8300hs): Rename to *cmphi_h8300hs_znvc.
7862
7863 2004-03-01  Mark Mitchell  <mark@codesourcery.com>
7864
7865         PR bootstrap/14356
7866         * gcc.c (process_command): Remove const-qualification from argv.
7867         (main): Likewise.
7868
7869 2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7870
7871         * config/h8300/h8300.md (pushqi1_h8300hs): Rename to
7872         pushqi1_h8300hs_advanced.  Adjust its caller.
7873         (pushhi1_h8300hs): Rename to pushhi1_h8300hs_advanced.
7874         Adjust its caller.
7875
7876 2004-03-02  Nicolas Roche  <roche@act-europe.fr>
7877
7878         * Makefile.in (install-libgcc, install-multilib): Pass
7879         mkinstalldirs var to libgcc.mk.
7880
7881 2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>
7882
7883         * system.h (DBX_OUTPUT_STANDARD_TYPES): Poison.
7884         * doc/tm.texi (DBX_OUTPUT_STANDARD_TYPES): Remove.
7885
7886 2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>
7887
7888         * config/h8300/h8300.c (gtle_operator): Accept GT and LE.
7889         * config/h8300/h8300.md: Split several peephole2's, each into
7890         two.
7891
7892 2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7893
7894         * dominance.c (recount_dominator): Handle postdominators.
7895
7896 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
7897
7898         * config/mips/mips-protos.h (enum mips_symbol_type): Move from mips.h.
7899         (NUM_SYMBOL_TYPES): Likewise.
7900         (SYMBOL_64_HIGH, SYMBOL_64_MID, SYMBOL_64_LOW): New symbol types.
7901         (mips_unspec_address): Declare.
7902         (mips_gotoff_page, mips_gotoff_global): Delete.
7903         * config/mips/mips.h (PREDICATE_CODES): Add general_symbolic_operand.
7904         * config/mips/mips.c (enum mips_symbol_type, NUM_SYMBOL_TYPES): Delete.
7905         (mips_symbolic_constant_p, mips_symbolic_address_p)
7906         (mips_symbol_insns): Handle new symbol types.
7907         (general_symbolic_operand): New predicate.
7908         (mips_unspec_address): Make extern.
7909         (mips_gotoff_page, mips_gotoff_global): Delete.
7910         (override_options): Allow -mabi=64 -mno-abicalls -mexplicit-relocs.
7911         Handle new symbol types.
7912         * config/mips/mips.md (*lea_high64, *lea64): New patterns.
7913         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_disp[sd]i): Call
7914         mips_unspec_address directly.
7915         * doc/invoke.texi: Remove the -mabi=64 -mno-abicalls exception from
7916         the documentation of -mexplicit-relocs.
7917
7918 2004-03-01  Jeff Law  <law@redhat.com>
7919
7920         * fold-const.c (fold): An equality comparison of a non-weak object
7921         against zero has a known result.  Similarly an equality comparison
7922         of the address of two non-weak, unaliased symbols has a known result.
7923
7924         * ggc-page.c (struct page_entry): New field PREV.
7925         (ggc_alloc): Update PREV field appropriately.
7926         (sweep_pages): Likewise.
7927         (ggc_free): Likewise.  Use PREV field rather than loop to
7928         improve ggc_free performance.
7929
7930 2004-03-01  Richard Sandiford  <rsandifo@redhat.com>
7931
7932         * config/mips/mips.c (mips_output_division): Use the division
7933         instruction to fill the delay slot of a zero check.
7934         (mips_idiv_insns): Adjust accordingly.
7935
7936 2004-03-01  Nathanael Nerode  <neroden@gcc.gnu.org>
7937
7938         * config.gcc: Create a default tmake_file for linux, and use
7939         it in all but two linux clauses.  Comment those two.
7940
7941 2004-03-01  Paolo Bonzini  <bonzini@gnu.org>
7942
7943         * combine.c (try_combine):  Do not refer to is_replaced.
7944         (gen_lowpart_for_combine):  Perverse subregs now have a
7945         more politically correct name.
7946         * cse.c (cse_insn): Likewise.
7947         * jump.c: Fix bogus reference to delete_insn.
7948
7949 2004-02-29  Mark Mitchell  <mark@codesourcery.com>
7950
7951         PR debug/14328
7952         * dwarf2out.c (gen_enumeration_type_die): Output all enumeration
7953         constants as signed values.
7954
7955         PR middle-end/13448
7956         * c-tree.h (readonly_warning): Rename to ...
7957         (readonly_error): ... this.
7958         * c-typeck.c (build_unary_op): Adjust accordingly.
7959         (readonly_warning): Rename to ...
7960         (readonly_error): ... this and issue errors, not warnings.
7961         (build_modify_expr): Call readonly_error, not readonly_warning.
7962         (c_expand_asm_operands): Likewise.
7963         * tree-inline.c (optimize_inline_calls): Do not inline functions
7964         after errors have occurred.
7965
7966 2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>
7967
7968         * configure.ac: Rearrange some threading code for clarity;
7969         add section comment.
7970         * configure: Regenerate.
7971
7972 2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>
7973
7974         * passes.c, config/frv/frv.c, config/sh/sh.c: Fix comment
7975         typos.
7976         * doc/cppopts.texi: Fix a typo.
7977
7978 2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>
7979
7980         * config/i386/i386.md: Fix formatting.
7981
7982 2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>
7983
7984         * configure.ac: Add some comments delineating sections of code.
7985
7986         * doc/install.texi: Note that libada uses autoconf 2.57 also.
7987
7988         * doc/install.texi: Fix idiot typo in previous commit.
7989
7990         * doc/install.texi: Update for conversion of intl to autoconf 2.57.
7991
7992 2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>
7993
7994         * config/h8300/h8300.md: Add comments about peephole2's.
7995
7996 2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>
7997
7998         * config/h8300/h8300.md: Tweak operand numbers of some
7999         peephole2's.
8000
8001 2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>
8002
8003         * config/h8300/h8300.md: Tweak comments about peephole2's.
8004
8005 2004-02-29  Waldek Hebisch  <hebisch@math.uni.wroc.pl>
8006
8007         PR middle-end/14203
8008         * function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
8009         instead of testing whether DECL_RTL is not NULL.
8010
8011 2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8012
8013         * config/sh/sh.c: Fix formatting.
8014
8015 2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8016
8017         * config/sh/sh.c: Convert to ISO-C.
8018
8019 2004-02-28  Andrew Pinski  <pinskia@physics.uc.edu>
8020
8021         * c-typeck.c (tagged_types_tu_compatible_p): Fix pasto in
8022         my previous patch.
8023
8024         * config/darwin.h (machopic_finish): Output stub even if the
8025         symbol is already defined.
8026
8027 2004-02-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8028
8029         * pa64-hpux.h (LIB_SPEC): Fix linking under HP-UX 11.00 with -p and -pg.
8030
8031 2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8032
8033         * genattr.c (main): Don't define
8034         TRADITIONAL_PIPELINE_INTERFACE or DFA_PIPELINE_INTERFACE.
8035         * system.h (TRADITIONAL_PIPELINE_INTERFACE): Poison.
8036         (DFA_PIPELINE_INTERFACE): Likewise.
8037         * doc/tm.texi (TRADITIONAL_PIPELINE_INTERFACE): Remove.
8038         (DFA_PIPELINE_INTERFACE): Likewise.
8039
8040 2004-02-28  Richard Sandiford  <rsandifo@redhat.com>
8041
8042         * config/mips/mips.md (tstsi, tstdi): Delete.
8043
8044 2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
8045
8046         * config/mips/mips.c (override_options): Remove an obsolete
8047         duplicate definition of the "e" constraint.
8048         * config/mips/mips.h: Update a comment accordingly.
8049
8050 2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
8051
8052         * config/mips/mips.md: Complete the unfinished R4000
8053         multiply/shift errata workaround.  Improve documentation.
8054         (hazard): Use TARGET_FIX_R4000 to decide whether an "imul" instruction
8055         has a hilo hazard.
8056         (mulsi3, mulsi3_internal, mulsi3_r4000): Use TARGET_FIX_R4000.
8057         (muldi3, muldi3_internal): Likewise.
8058         (muldi3_internal2): Remove, replacing with...
8059         (muldi3_mult3, muldi3_r4000): ...these new patterns.
8060         (mulsidi3): Take the errata into account.
8061         (mulsidi3_32bit): Remove, replacing with...
8062         (mulsidi3_32bit_internal, mulsidi3_32bit_r4000): ...these new patterns.
8063         (mulsidi3_64bit, mulsidi3_64bit_parts): Disable if TARGET_FIX_R4000.
8064         (umulsidi3): Take the errata into account.
8065         (umulsidi3_32bit): Remove, replacing with..
8066         (umulsidi3_32bit_internal, umulsidi3_32bit_r4000): ...these patterns.
8067         (umulsi3_highpart, umulsi3_highpart_internal): Disable if
8068         TARGET_FIX_R4000.
8069         (smulsi3_highpart, smulsi3_highpart_internal): Likewise.
8070         (smuldi3_highpart, umuldi3_highpart): Likewise.
8071         * doc/invoke.texi: Document the errata workaround.
8072
8073 2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
8074
8075         * config/mips/mips-protos.h (mips_idiv_insns): Declare.
8076         * config/mips/mips.h (MASK_FIX_SB1): Bump.
8077         (MASK_FIX_R4000, TARGET_FIX_R4000): New macros.
8078         (TARGET_SWITCHES): Add -mfix-r4000 and -mno-fix-r4000.
8079         * config/mips/mips.c (mips_idiv_insns): New function.
8080         (override_options): Make -march=r4000 imply -mfix-r4000 by default.
8081         (mips_output_division): Add a workaround for the R4000 divide/shift
8082         errata.
8083         * config/mips/mips.md (length): Use mips_idiv_insns() to calculate
8084         the length of an "idiv" instruction.
8085         * doc/invoke.texi: Document the new switches.
8086
8087 2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8088
8089         * doc/tm.texi (IS_COSTLY_DEPENDENCE): Change to
8090         TARGET_SCHED_IS_COSTLY_DEPENDENCE.
8091
8092 2004-02-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8093
8094         PR optimization/14229
8095         * cfgrtl.c (rtl_tidy_fallthru_edge): Do not fail for !onlyjump jump.
8096
8097 2004-02-28  Eric Botcazou  <ebotcazou@act-europe.fr>
8098
8099         * fold-const.c (fold): Strip NOPs that change the signedness
8100         for RSHIFT too.  Expand comment.
8101
8102 2004-02-27  Ian Lance Taylor  <ian@wasabisystems.com>
8103
8104         PR optimization/7871
8105         * flow.c (mark_set_1): Don't add LOG_LINKS for global registers
8106         from or to call insns.
8107
8108 2004-02-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
8109
8110         PR optimization/7871
8111         * flow.c (propagate_one_insn): Interpret calls as setting global
8112         registers, not merely clobbering them.
8113
8114 2004-02-27  Dale Johannesen  <dalej@apple.com>
8115
8116         * config/darwin.c (machopic_output_possible_stub_label):  Remove.
8117         config/darwin-protos.h:  Ditto.
8118         config/darwin.h:  Remove call to it.
8119         * combine.c (distribute_notes): Do not place a REG_DEAD note
8120         when value is both set and used.
8121
8122 2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
8123
8124         * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
8125         as well.
8126         * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
8127         * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.
8128
8129 2004-02-27  Andrew Pinski  <apinski@apple.com>
8130
8131         * c-typeck.c (tagged_types_tu_compatible_p) <ENUMERAL_TYPE>:
8132         Speedup common case of the type values being in the same order.
8133
8134 2004-02-27  Steve Ellcey  <sje@cup.hp.com>
8135
8136         * config/ia64/ia64.h (no-inline-float-divide): New option.
8137         * config/ia64/ia64.h (no-inline-int-divide): New option.
8138         * config/ia64/ia64.h (no-inline-sqrt): New option.
8139         (TARGET_DEFAULT): Add MASK_INLINE_FLOAT_DIV_THR to define.
8140         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
8141         * config/ia64/ia64.c (ia64_override_options): Modify error
8142         checking for inlined division/sqrt.
8143
8144 2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
8145
8146         * bb-reorder.c, cfgbuild.c, diagnostic.c, explow.c, profile.c,
8147         ra-build.c, read-rtl.c, tracer.c, unwind-dw2-fde-glibc.c,
8148         value-prof.c, config/darwin-protos.h, config/frv/frv-abi.h,
8149         config/i386/pmmintrin.h, config/pa/pa-hpux.h: Update
8150         copyright.
8151
8152 2004-02-27  Paul Brook  <paul@codesourcery.com>
8153
8154         * function.c (assign_parms): Don't count pretend args for alignment.
8155
8156 2004-02-27  Richard Henderson  <rth@redhat.com>
8157
8158         * passes.c: New file.
8159         * Makefile.in (OBJS-common): Add it.
8160         * diagnostic.c (rtl_dump_and_exit): Move decl ...
8161         * flags.h (rtl_dump_and_exit): ... here.
8162         * output.h (size_directive_output, last_assemble_variable_decl):
8163         Move from toplev.c.
8164         * rtl.h (reg_alloc): Move from toplev.c.
8165         * toplev.c (HAVE_conditional_execution, DUMPFILE_FORMAT,
8166         struct dump_file_info, enum dump_file_index, dump_file_tbl,
8167         open_dump_file, close_dump_file, rest_of_decl_compilation,
8168         rest_of_type_compilation, rest_of_handle_final,
8169         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8170         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8171         rest_of_handle_new_regalloc, rest_of_handle_old_regalloc,
8172         rest_of_handle_regrename, rest_of_handle_reorder_blocks,
8173         rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_regmove,
8174         rest_of_handle_tracer, rest_of_handle_if_conversion,
8175         rest_of_handle_if_after_combine, rest_of_handle_web,
8176         rest_of_handle_branch_prob,
8177         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8178         rest_of_handle_addressof, rest_of_handle_sibling_calls,
8179         rest_of_handle_jump_bypass, rest_of_handle_inlining,
8180         rest_of_handle_null_pointer, rest_of_handle_combine,
8181         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8182         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8183         rest_of_handle_loop2, rest_of_compilation): Move to passes.c.
8184         (decode_d_option): Use enable_rtl_dump_file.
8185         (compile_file, finalize, do_compile): Move profile+combine+graph
8186         cleanup to finish_optimization_passes.
8187         * toplev.h (init_optimization_passes, finish_optimization_passes,
8188         enable_rtl_dump_file): Declare.
8189
8190 2004-02-27  Eric Botcazou  <ebotcazou@act-europe.fr>
8191             Roger Sayle  <roger@eyesopen.com>
8192
8193         * fold-const.c (fold): Revert 2004-02-25 change.  Use the original
8194         operands to build a tree with swapped operands.
8195         * expr.c (expand_expr_real) <MAX_EXPR>: Consistently use the
8196         'unsignedp' predicate to specify the signedness.
8197
8198 2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
8199
8200         * c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
8201         expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
8202         params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
8203         comment typos and formatting.  Follow spelling conventions.
8204
8205 2004-02-26  Aldy Hernandez  <aldyh@redhat.com>
8206
8207         * config/rs6000/rs6000.md: Add fixuns_truncsfsi2 and
8208         fix_truncsfsi2.
8209
8210         * config/rs6000/spe.md: Delete spe_efsctuiz.
8211         Add spe_fixuns_truncsfsi2.
8212         Add spe_fix_truncsfsi2.
8213
8214 2004-02-26  Eric Christopher  <echristo@redhat.com>
8215
8216         * c-lex.c (c_lex_string_translate): New variable.
8217         (lex_string): Use to determine string translation.
8218         * c-pragma.h: Prototype.
8219         * c-parse.in (start_string_translation): New. Set above.
8220         (stop_string_translation): Ditto.
8221         (attribute, attribute_list, asm_def, asm_stmt,
8222         asm_operand): Use above functions.
8223         * cp/parser.c (cp_parser_declaration): Translate strings
8224         unless token is RID_EXTERN. Set c_lex_string_translate
8225         for recursive use.
8226         (cp_parser_asm_definition): Only translate argument strings
8227         to asms.
8228         (cp_parser_asm_operand_list): Ditto.
8229         (cp_parser_attribute_list): Do not translate attribute strings.
8230
8231 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8232
8233         * stmt.c (expand_start_case_dummy): Remove.
8234         * tree.h: Remove the corresponding prototype.
8235
8236 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8237
8238         * builtins.c (apply_args_register_offset): Remove.
8239         * tree.h: Remove the corresponding prototype.
8240
8241 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8242
8243         * stor-layout.c (is_pending_size): Remove.
8244         * tree.h: Remove the corresponding prototype.
8245
8246 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8247
8248         * recog.c (validate_replace_src): Remove.
8249         * recog.h: Remove the corresponding prototype.
8250
8251 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8252
8253         * calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or
8254         MAYBE_REG_PARM_STACK_SPACE.
8255         * function.c: Likewise.
8256         * system.h (FINAL_REG_PARM_STACK_SPACE): Poison.
8257         (MAYBE_REG_PARM_STACK_SPACE): Likewise.
8258         * doc/tm.texi (FINAL_REG_PARM_STACK_SPACE): Remove.
8259         (MAYBE_REG_PARM_STACK_SPACE): Likewise.
8260
8261 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8262
8263         * c-decl.c (c_expand_deferred_function): Remove.
8264         * c-tree.h: Remove the corresponding prototype.
8265
8266 2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>
8267
8268         * postreload.c (reload_cse_move2add): Generate just a PLUS
8269         instead of an entire SET.
8270
8271 2004-02-26  Jan Hubicka  <jh@suse.cz>
8272
8273         * config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m
8274         /pentium4m.
8275         * i386.c (override_options): Add support for new CPUs.
8276         * i386.h (TARGET_CPU_DEFAULT_NAMES): New names.
8277         (TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_pentium4e): New
8278         constants.
8279         * invoke.texi: Extend documentation of -mtune/-march for new CPUs.
8280
8281 2004-02-26  Bob Wilson  <bob.wilson@acm.org>
8282
8283         * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define __xtensa__.
8284
8285 2004-02-26  Eric Botcazou  <ebotcazou@act-europe.fr>
8286
8287         * config/sparc/sparc-protos.h (sparc_emit_floatunsdi): Add 'mode'.
8288         (sparc_emit_fixunsdi): New prototype.
8289         * config/sparc/sparc.c (sparc_emit_floatunsdi): Use 'mode' argument.
8290         (sparc_emit_fixunsdi): New function.
8291         * config/sparc/sparc.md (floatunsdisf2): Use 'general_operand' for
8292         operand 1.  Pass SFmode to sparc_emit_floatunsdi.
8293         (floatunsdidf2): Use 'general_operand' for operand 1.  Pass DFmode
8294         to sparc_emit_floatunsdi.
8295         (fixuns_truncsfdi2): New expander.
8296         (fixuns_truncdfdi2): Likewise.
8297
8298 2004-02-26  Alan Modra  <amodra@bigpond.net.au>
8299
8300         * gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
8301         unless HAVE_cc0.
8302
8303 2004-02-25  Richard Henderson  <rth@redhat.com>
8304
8305         * explow.c (force_reg): Call mark_reg_pointer as appropriate.
8306         * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't
8307         use (op0-op1) == 0 if op0 is a pointer.
8308         * config/alpha/alpha.md (cmpdi): Use some_operand.
8309         (three comparison combine splits): Remove.
8310
8311 2004-02-25  Richard Henderson  <rth@redhat.com>
8312
8313         PR c/12794
8314         * c-common.c (handle_alias_attribute): Reject the attribute if
8315         current_function_decl is set.
8316
8317 2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>
8318
8319         * config.gcc: Add comment describing extra_gcc_objs.
8320         i[34567]86-*-cygwin*): Replace host_extra_gcc_objs with extra_gcc_objs.
8321         * configure.ac (extra_gcc_objs): New substitution variable.
8322         (host_extra_gcc_objs): Don't substitute.
8323         * configure: Regenerate.
8324         * Makefile.in: Use extra_gcc_objs.
8325
8326 2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>
8327
8328         * doc/contrib.texi: Add an entry for myself.
8329
8330 2004-02-25  Jan Hubicka  <jh@suse.cz>
8331
8332         * basic-block.h (make_eh_edge, break_superblocks): Declare.
8333         * cfgbuild.c (make_eh_edge):  Make global.
8334         * cfglayout.c (break_superblocks): Likewise; fix memory leak.
8335         * except.c (build_post_landing_pads, connect_post_landing_pads,
8336         dw2_build_landing_pads, sjlj_emit_function_enter,
8337         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
8338         sjlj_build_landing_pads): Update CFG.
8339         (emit_to_new_bb_before): New function.
8340         (finish_eh_generation): Do not rebuild the CFG.
8341
8342 2004-02-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8343
8344         * config.gcc (hppa*-*-*, parisc*-*-*): Add MASK_BIG_SWITCH to all
8345         target_cpu_default defines.
8346         * pa-hpux.h (TARGET_DEFAULT): Add MASK_BIG_SWITCH to define.
8347         * pa.h (TARGET_DEFAULT): Likewise.
8348
8349 2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>
8350
8351         * fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
8352         comparisons with regard to signedness.
8353
8354 2004-02-25  Richard Earnshaw  <rearnsha@arm.com>
8355
8356         * arm.c (thumb_legitimize_address): New function.
8357         * arm-protos.h: Prototype it.
8358         * arm.h (THUMB_LEGITIMIZE_ADDRESS): Define.
8359         (LEGITIMIZE_ADDRESS): Use it.
8360
8361 2004-02-25  J"orn Rennecke <joern.rennecke@superh.com>
8362
8363         * reload1.c (reload): Only spill eliminable register with multiple
8364         adjacent elimination alternatives if all alternatives fail.
8365
8366 2004-02-25  Richard Earnshaw  <rearnsha@arm.com>
8367
8368         * arm.c (arm_legitimate_index_p): For QImode the range of an offset
8369         is -4095...+4095 inclusive.
8370
8371 2004-02-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
8372
8373         * doc/install.texi (sparc-sun-solaris2* specific notes): Document
8374         the bootstrap failure with Sun CC 5.4 and 5.5.
8375
8376 2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8377
8378         * cse.c (cse_change_cc_mode_insns): Stop at any instruction
8379         which modifies NEWREG.
8380         (cse_condition_code_reg): Update the mode of CC_REG in
8381         CC_SRC_INSN on our own.
8382
8383 2004-02-24  Michael Matz  <matz@suse.de>
8384
8385         * config/i386/i386.c (ix86_comp_type_attributes): Check for
8386         regparm attributes.
8387
8388 2004-02-24  Richard Henderson  <rth@redhat.com>
8389
8390         * toplev.c (dump_file_tbl): Rename from dump_file.
8391         * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
8392         cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
8393         config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
8394         config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
8395         loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
8396         ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
8397         toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
8398         s/rtl_dump_file/dump_file/g.
8399
8400 2004-02-24  Aldy Hernandez  <aldyh@redhat.com>
8401
8402         * config/rs6000/spe.md (spe_fix_truncsfsi2): Delete.
8403         (spe_fixuns_truncsfsi2): Delete.
8404
8405         * config/rs6000/rs6000.md (fix_truncsfsi2): Delete.
8406         (fixuns_truncsfsi2): Delete.
8407
8408 2004-02-24  Josef Zlomek  <zlomekj@suse.cz>
8409
8410         PR/14240
8411         * rtlanal.c (replace_label): Fix replacing labels in constant pool.
8412
8413 2004-02-24  Geoffrey Keating  <geoffk@apple.com>
8414
8415         * config/darwin.h (TARGET_HAS_F_SETLKW): Define.
8416
8417 2004-02-24  Jason Merrill  <jason@redhat.com>
8418
8419         * tree.c (check_qualified_type): New fn.
8420         (get_qualified_type): Use it.  If type already has the desired
8421         quals, just return it.
8422         * tree.h: Declare it.
8423
8424 2003-02-24  Sanjiv Kumar Gupta  <sanjivg@noida.hcltech.com>
8425
8426         * target-def.h (TARGET_SCHED_INIT_GLOBAL,
8427         TARGET_SCHED_FINISH_GLOBAL): New macros.
8428
8429         * target.h (md_init_global, md_finish_global): Function
8430         declarations corresponding to new target macros.
8431
8432         * haifa-sched.c (sched_init, sched_finish): Allow target to
8433         call the new schedular hooks.
8434
8435         * flow.c (recompute_reg_usage): Add PROP_DEATH_NOTES flag in
8436         call to update_life_info.
8437
8438         * config/sh/sh.h (OVERRIDE_OPTIONS): Re-enable
8439         flag_schedule_insns for SH4.
8440
8441         * config/sh/sh.c (sh_md_init_global, sh_md_finish_global,
8442         find_set_regmode_weight, find_insn_regmode_weight,
8443         find_regmode_weight), sh_md_init, sh_dfa_new_cycle,
8444         sh_variable_issue, high_pressure, ready_reorder,
8445         rank_for_reorder, swap_reorder, sh_reorder, sh_reorder2): New
8446         functions used to throttle the insn movement in first
8447         scheduling pass for SH.
8448
8449         * gcc/doc/tm.texi: Document TARGET_SCHED_INIT_GLOBAL and
8450         TARGET_SCHED_FINISH_GLOBAL.
8451
8452 2004-02-24  Alexandre Oliva  <aoliva@redhat.com>
8453
8454         Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux.
8455         2004-02-05  Alexandre Oliva  <aoliva@redhat.com>
8456         * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
8457         symbols in sections named by the user.
8458         2004-01-30  Alexandre Oliva  <aoliva@redhat.com>
8459         * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
8460         2004-01-27  Alexandre Oliva  <aoliva@redhat.com>
8461         * config.gcc (frv-*-*linux*): Handle like *-*-linux*.
8462         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
8463         the above.
8464         2004-01-20  Alexandre Oliva  <aoliva@redhat.com>
8465         * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
8466         one more pseudo to further improve code generation.
8467         2004-01-19  Alexandre Oliva  <aoliva@redhat.com>
8468         * config/frv/frv.md (movdi_ldd): Introduce explicit indirection
8469         inside UNSPEC.
8470         2004-01-16  Alexandre Oliva  <aoliva@redhat.com>
8471         * config/frv/frv.c (frv_legitimate_address_p): Added
8472         allow_double_reg_p argument.  Adjust all callers.  Use it to
8473         decide whether to enable double-register indirect addressing.
8474         (frv_funcdesc_alias_set): Remove.
8475         (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
8476         register.  Emit movdi_ldd.
8477         (ldd_address_operand): New.
8478         * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
8479         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
8480         (PREDICATE_CODES): Add ldd_address_operand.
8481         * config/frv/frv.md (movdi_ldd): New.
8482         (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
8483         intermediate computations if possible.
8484         (symGOTOFF2reg_i): Fix harmless typo.
8485         2003-12-18  Alexandre Oliva  <aoliva@redhat.com>
8486         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
8487         relocated p_vaddr to vaddr type.
8488         * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
8489         * config/frv/frv.c (frv_get_funcdesc_alias_set): New.
8490         (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
8491         MEM, or use a funcdesc alias set.  Use regular move instead of
8492         ldd.
8493         (dbl_memory_one_insn_operand): Recognize function descriptors by
8494         type or by alias set, and don't split them.
8495         * config/frv/frv.md (call, call_value): Never use call_internal
8496         for fdpic.
8497         (call_internal, call_value_internal): Never match for FDPIC.
8498         (call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
8499         call_value_fdpicsi): Require FDPIC.
8500         (ldd): Removed.
8501         2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
8502         * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
8503         * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
8504         (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
8505         FDPIC.  Compute data base address.
8506         * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
8507         before the other self-specs are processed.
8508         * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
8509         Build with -fPIC.
8510         2003-12-15  Alexandre Oliva  <aoliva@redhat.com>
8511         * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
8512         inhibit_libc is defined.
8513         2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
8514         * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
8515         __FRV_FDPIC__.
8516         (__RELOC_POINTER): Define.
8517         (_Unwind_IteratePhdrCallback): Use it.
8518         * config/frv/frv.h (Twrite): Define.
8519         (TRANSFER_FROM_TRAMPOLINE): Use it.
8520         * config/frv/linux.h (INVOKE__main): Undefine.
8521         (Twrite): Override.
8522         2003-12-05  Richard Sandiford  <rsandifo@redhat.com>
8523         * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
8524         (-mlibrary-pic): Emphasize that this option generates EABI code.
8525         (-mcpu): Add fr550.
8526         (-mpack): Remove.
8527         2003-11-30  Alexandre Oliva  <aoliva@redhat.com>
8528         * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
8529         and CONSTs in FDPIC mode.
8530         * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
8531         2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
8532         * config/frv/frv.c (move_source_operand): Don't accept symbolic
8533         constants.
8534         * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
8535         rather than 'i' constraint for the 2-instruction alternative.
8536         (*movsi_2word): New, incorporating existing int_2word_operand splitter.
8537         2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
8538         * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
8539         EXTRA_CONSTRAINT_FOR_Y.
8540         (EXTRA_CONSTRAINT): Remove handling of 'Y'.
8541         * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
8542         (addsi3): Change 'Y' constraint to 'Q'.
8543         2003-11-27  Richard Sandiford  <rsandifo@redhat.com>
8544         * reload.c (CONST_POOL_OK_P): New macro.
8545         (find_reloads): Use it to decide whether a constant can be forced
8546         into memory.
8547         * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
8548         constant satisfies got12_operand.
8549         (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
8550         (frv_legitimate_address_p): Check for valid unspec offsets using
8551         got12_operand rather than frv_legitimate_fdpic_operand_p.
8552         (frv_legitimate_fdpic_operand_p): Delete.
8553         (frv_emit_movsi): Abort if we try to use the FDPIC register during
8554         or after reload.
8555         (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
8556         TARGET_FDPIC.
8557         * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
8558         2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
8559         * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
8560         (frv_fdpic_fptr_operand): Don't declare here.
8561         * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
8562         rather than fdpic_got12_operand.
8563         (PREDICATE_CODES): Remove symbolic_operand entry.  Add entries for
8564         got12_operand and const_unspec_operand.
8565         * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
8566         (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
8567         (symbolic_operand): Remove.
8568         (const_unspec_operand): New predicate.
8569         * config/frv/frv.md (*movsi_got): Use got12_operand.
8570         (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
8571         2003-11-18  Richard Sandiford  <rsandifo@redhat.com>
8572         * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
8573         * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
8574         * config/frv/frv.c (frv_unspec): New structure.
8575         (frv_small_data_reloc_p, frv_const_unspec_p): New functions.
8576         (frv_print_operand_memory_reference): Use frv_const_unspec_p to
8577         validate CONST indices.  Use frv_output_const_unspec to print them.
8578         (frv_print_operand): Update call to unspec_got_name.  Use
8579         frv_output_const_unspec to print constant unspecs.
8580         (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
8581         Reject UNSPECs otherwise.
8582         (unspec_got_name): Take the relocation number as argument, not an
8583         rtx containing it.
8584         (frv_output_addr_const_extra): Remove, replacing with...
8585         (frv_output_const_unspec): ...this new function.
8586         (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
8587         (gpr_or_int12_operand): Use fdpic_got12_operand.
8588         (dbl_memory_one_insn_operand): Likewise.
8589         (fdpic_got12_operand): Use frv_const_unspec_p.
8590         (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
8591         are already legitimate.  Use frv_small_data_reloc_p when deciding
8592         whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
8593         2003-11-18  Alexandre Oliva  <aoliva@redhat.com>
8594         * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
8595         * config/frv/libgcc-frv.ver: ... frv-specific symbols.  New file.
8596         * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
8597         label, for real this time.
8598         * config/frv/frv.c (frv_local_funcdesc_p): Update to new
8599         representation of visibility.
8600         (fdpic_got12_operand, symbolic_operand): Mark unused arguments as
8601         such.
8602         2003-11-17  Richard Sandiford  <rsandifo@redhat.com>
8603         * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
8604         (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
8605         * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
8606         it was explicitly disabled.
8607         (frv_stack_info): There is no need to save the link register in every
8608         frame unless TARGET_LINKED_FP is true.
8609         (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
8610         frame pointer if the stack pointer might change value.
8611         (frv_return_addr_rtx): Check and process "count" argument.
8612         2003-11-14  Richard Sandiford  <rsandifo@redhat.com>
8613         * config/frv/frv-protos.h (frv_legitimize_address): Remove.
8614         (frv_find_base_term): Declare.
8615         * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
8616         (FIND_BASE_TERM): Define.
8617         (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
8618         small_data_register_operand, small_data_symbolic_operand.  Add
8619         symbolic_operand.
8620         * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
8621         (frv_print_operand_memory_reference, output_move_single): Remove
8622         special handling for unlegitimized sdata addresses.
8623         (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
8624         and symbolic addresses.
8625         (frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
8626         (frv_find_base_term): New function.
8627         (int_2word_operand): Check specifically for symbolic address constants.
8628         (pic_register_operand, pic_symbolic_operand): Delete.
8629         (small_data_register_operand, small_data_symbolic_operand): Delete.
8630         (dbl_memory_one_insn_operand): Don't call plus_small_data_p.
8631         Allow UNSPEC_GOT constants if !TARGET_FDPIC.
8632         (move_source_operand): Only accept CONSTs if they're a two-insn
8633         symbolic constant.
8634         (fdpic_got12_operand): Don't require TARGET_FDPIC.
8635         (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
8636         using gen_symGOTOFF2reg*.
8637         (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
8638         (frv_rtx_costs): Give all MEM addresses a cost of 0.  Give MEMs
8639         themselves a cost of 3 insns.
8640         * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
8641         Change predicate to symbolic_operand.
8642         (*movsi_high_got, *movsi_lo_sum_got): Likewise.
8643         (*movsi_lda_sdata): Delete.
8644         (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
8645         2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
8646         * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
8647         frv-*-*linux*.
8648         * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
8649         label.
8650         * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
8651         -multilib-library-pic.
8652         (LINK_SPEC): Add -z text for -mfdpic.
8653         * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
8654         * config/frv/frvend.c (__ROFIXUP_END__): Likewise.
8655         * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
8656         Override.
8657         (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
8658         FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
8659         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
8660         crtstuff-generated files.
8661         2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
8662         * config.gcc: Add frv-*-*linux*.
8663         * config/frv/linux.h, config/frv/t-linux: New.
8664         2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
8665         * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
8666         when -mfdpic even if a linker script is explicitly listed.
8667         2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
8668         * config/frv/frv.c (frv_override_options): Clear asm_out
8669         unaligned_op for SImode on FDPIC.
8670         (frv_emit_movsi): Use compute_reloc_for_constant to compute the
8671         argument passed to decl_readonly_section.
8672         (frv_assemble_integer): Revert 2003-09-30's change, but make the
8673         whole block run with FDPIC even with -fno-PIC.
8674         2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
8675         * config/frv/frv.c (frv_cannot_force_const_mem): Don't force
8676         symbol or label plus offset to memory.
8677         (frv_emit_movsi): Emit GPREL only if -mgprel-ro.  Emit 32-bit
8678         GOTOFF and GPREL for LABEL_REF.
8679         * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
8680         -mfdpic unless -mno-gprel-ro, -fpic or -fpie.
8681         (MASK_GPREL_RO, TARGET_GPREL_RO): New.
8682         (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
8683         * doc/invoke.texi: Document them.
8684         2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
8685         * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
8686         (frv_splittable_got_operand): Removed.
8687         * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
8688         LO_SUM.  Add comments.
8689         (frv_override_options): Moved enabling of FDPIC to
8690         DRIVER_SELF_SPECS.  Don't enable MASK_DWORD.
8691         (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
8692         (frv_legitimize_fdpic_address): Don't duplicate logic in
8693         frv_emit_movsi.
8694         (frv_gen_GPsym2reg): New.
8695         (unspec_got_name): Added gprel.
8696         (frv_expand_fdpic_call): Add support for inlining PLTs.
8697         (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
8698         (gpr_or_int12_operand): Added GPREL12.
8699         (pic_symbolic_operand): Match even if !flag_pic for FDPIC.
8700         (small_data_symbolic_operand): Fail if FDPIC.
8701         (fdpic_splittable_got_operand): Removed.
8702         (fdpic_got12_operand): Added GPREL12.
8703         (frv_emit_movsi): Reorganize to avoid duplication.  Emit GPREL
8704         when appropriate.  Fix sdata GOTOFF.
8705         (frv_legitimate_constant_p): Require legitimate PIC operand for
8706         FDPIC with pic, but only a legitimate fdpic operand for non-pic.
8707         (frv_assemble_integer): Move FDPIC funcdesc handling out of
8708         flag_pic case.
8709         (frv_asm_out_constructor, frv_asm_out_destructor): Abort if
8710         frv_assemble_integer fails.
8711         * config/frv/frv.h (DRIVER_SELF_SPECS): New.
8712         (SUBTARGET_DRIVER_SELF_SPECS): New.
8713         (ASM_SPEC): Don't pass -mno-fdpic.
8714         (LINK_SPEC): Pass -melf32frvfd for FDPIC.
8715         (MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
8716         (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
8717         -multilib-library-pic.
8718         (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
8719         condexec_si_media_operator, condexec_sf_add_operator and
8720         condexec_sf_conv_operator.  Removed condexec_sf_binary_operator
8721         and condexec_sf_unary_operator.
8722         * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
8723         New.
8724         (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
8725         movsi_internal.  Give them internal names.  movsi_got has type
8726         int.
8727         (fdpic got splitters): Remove.
8728         (symGPREL2reg, symGPREL2reg_hilo): New.
8729         * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
8730         to -mlibrary-pic.  Map -multilib-library-pic to it.
8731         * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
8732         Document.
8733         2003-09-28  Alexandre Oliva  <aoliva@redhat.com>
8734         * config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
8735         (TARGET_CANNOT_FORCE_CONST_MEM): Define to...
8736         (frv_cannot_force_const_mem): New function.
8737         (const_small_data_p, plus_small_data_p): Update comments on sdata
8738         on FDPIC.
8739         (frv_override_options): Set flag_pie for FDPIC too.
8740         (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
8741         call-saved registers on FDPIC.
8742         (frv_stack_info): Don't preserve the PIC register on FDPIC, and
8743         don't force LR to be preserved.
8744         (frv_expand_prologue): Likewise.
8745         (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
8746         (frv_frame_pointer_required): Don't force it just because the
8747         FDPIC register is used.
8748         (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
8749         operand only if !condexec_p.
8750         (frv_legitimize_address): Return the FDPIC-legitimized address.
8751         Don't match small data here on FDPIC.
8752         (frv_legitimate_fdpic_operand_p): Don't accept unadorned function
8753         symbols.  Use TRUE/FALSE instead of 1/0.
8754         (frv_local_funcdesc_p): New.
8755         (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
8756         immediates when possible.
8757         (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
8758         (dbl_memory_one_insn_operand): Accept addresses that add a REG and
8759         an UNSPEC_GOT.
8760         (frv_emit_movsi): Handle FDPIC before small data.  Use GOTOFF and
8761         12-bit immediates when possible.
8762         (frv_legitimate_constant_p): In FDPIC, reject SImode operands that
8763         are not legitimate pic operands.
8764         (frv_in_small_data_p): Re-enable for FDPIC.
8765         * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
8766         (FRV_GLOBAL_P): Removed.
8767         * config/frv/frv.md: Add modes to CONSTs.
8768         (movsi_got): New.
8769         (movsi_lo_sum_got): Use separate matches instead of match_dup.
8770         (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
8771         (fdpic splittable operations): Match on flag_pic != 1.
8772         2003-09-22  Alexandre Oliva  <aoliva@redhat.com>
8773         * config/frv/frv.c (frv_asm_out_constructor,
8774         frv_asm_out_destructor): Pass to frv_assemble_integer the size in
8775         bytes, not bits.
8776         2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
8777         * config/frv/frv.c (frv_assemble_integer): Reject complex
8778         expressions referencing function SYMBOL_REFs.
8779         * config/frv/frv.c (frv_function_symbol_referenced_p): New.
8780         (move_source_operand): Reject CONSTs that reference function
8781         SYMBOL_REFs on FDPIC.
8782         (frv_emit_movsi): If we get such a CONST, break it up.
8783         * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
8784         (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
8785         * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
8786         MEM.
8787         (frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
8788         (frv_trampoline_size): Increase for FDPIC.
8789         * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
8790         (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
8791         * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
8792         Disable use of GOTOFF for now.
8793         (const_small_data_p, plus_small_data_p, frv_in_small_data_p):
8794         Disable use of small data in FDPIC for now.
8795         (frv_asm_output_mi_thunk): Implement for FDPIC.
8796         * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
8797         * config/frv/frv.c (frv_asm_out_constructor): Use
8798         frv_assemble_integer for FDPIC pointers.
8799         (frv_asm_out_destructor): Likewise.
8800         * config/frv/frv.md (ldd): Fix order of operands.  Use
8801         address_operand for input.
8802         2003-09-18  DJ Delorie  <dj@redhat.com>
8803         * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
8804         (unspec_got_name): Correct typo.
8805         (frv_emit_movsi): Pre-expand splittable GOTs.
8806         (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
8807         * config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
8808         (symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
8809         * config/frv/t-frv: Add -mfdpic multilibs.
8810         * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
8811         (TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
8812         * config/frv/frv.c (frv_override_options): -mfdpic assumes
8813         flag_pic, default to 32-bit pics, require DWORD ops.
8814         (frv_override_options): Add W and Z constraints.
8815         (frv_expand_prologue): No pic prologue for -mfdpic.
8816         (frv_asm_output_mi_thunk): Support -mfdpic (soon).
8817         (frv_print_operand_memory_reference): Handle GOT constants.
8818         (frv_legitimate_address_p): Allow GOT constants.
8819         (frv_legitimize_address): Handle GOT addresses too.
8820         (frv_legitimate_fdpic_operand_p): New.
8821         (frv_legitimize_fdpic_address): New.
8822         (unspec_got_name): New.
8823         (frv_output_addr_const_extra): New.
8824         (frv_expand_fdpic_call): New.
8825         (frv_fdpic_fptr_operand): New.
8826         (gpr_or_int12_operand): Handle GOT operands.
8827         (int_2word_operand): Handle GOT operands.
8828         (fdpic_operand): New.
8829         (fdpic_splittable_got_operand): New.
8830         (fdpic_got12_operand): New.
8831         (frv_emit_movsi): Handle GOT operands.
8832         (frv_assemble_integer): -mfdpic doesn't use rofixups.
8833         (frv_print_operand): Support 'g' code for GOT operands.
8834         * config/frv/frv-protos.h: Add prototypes as needed.
8835         * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
8836         R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
8837         R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
8838         R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
8839         R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
8840         R_FRV_GOTOFFLO): New.
8841         (movsi_high_got, movsi_lo_sum_got): New.
8842         (*movsi_pic): Don't use this splitter for -mfdpic.
8843         (addsi3): Allow GOT references also.
8844         (call, call_value): Handle -mfdpic separately.
8845         (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
8846         call_value_fdpicsi): New.
8847         (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
8848         symGOTOFF2reg_i): New.
8849         * config/frv/frv.h (MASK_FDPIC): New.
8850         (TARGET_FDPIC): New.
8851         (TARGET_SWITCHES): Add -mfdpic.
8852         (FDPIC_FPTR_REGNO): New.
8853         (FDPIC_REGNO): New.
8854         (OUR_FDPIC_REG): New.
8855         (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
8856         FDPIC_CALL_REGS.
8857         (REG_CLASS_NAMES): Likewise.
8858         (REG_CLASS_CONTENTS): Likewise.
8859         (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
8860         (EXTRA_CONSTRAINT): Add it here.
8861         (FRV_GLOBAL_P): New.
8862         (OUTPUT_ADDR_CONST_EXTRA): New.
8863
8864 2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8865
8866         * config/sparc/sparc.h: Remove commented-out definitions of
8867         TARGET_EDOM and GEN_ERRNO_RTX.
8868
8869 2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8870
8871         * df.c, df.h, ra-build.c, ra-rewrite.c, ra.c, web.c: Replace
8872         df_analyse with df_analyze.
8873
8874 2004-02-24  Alan Modra  <amodra@bigpond.net.au>
8875
8876         * gcse.c (delete_null_pointer_checks_1): Set stop_insn to end, not
8877         beginning of block.
8878
8879 2004-02-23  James E Wilson  <wilson@specifixinc.com>
8880
8881         * calls.c (precompute_arguments): Update comment.
8882
8883 2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8884
8885         * et-forest.c: Replace et_occurences with et_occurrences.
8886
8887 2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8888
8889         * cfgloop.h, loop-iv.c, loop-unswitch.c: Replace iv_analyse
8890         with iv_analyze.
8891
8892 2004-02-23  Kelley Cook  <kcook@gcc.gnu.org>
8893
8894         * config/i386/i386.c: Rename pni to sse3.
8895         * config/i386/i386.h: Likewise.
8896         * config/i386/i386.md: Likewise.
8897         * config/i386/pmmintrin.h: Likewise.
8898         * doc/extend.texi: Likewise.
8899         * doc/invoke.texi: Likewise.
8900
8901 2004-02-23  Zack Weinberg  <zack@codesourcery.com>
8902             Kazu Hirata  <kazu@cs.umass.edu>
8903
8904         Remove -fwritable-strings.
8905         * c-common.c (fix_string_type): Don't check
8906         flag_writable_strings.
8907         (fix_string_type): Likewise.
8908         * c-opts.c (set_std_c89): Don't initialize
8909         flag_writable_strings.
8910         (set_std_c99): Likewise.
8911         * common.opt (fwritable-strings): Remove.
8912         * flags.h: Remove the external declaration of
8913         flag_writable_strings.
8914         * opts.c (common_handle_option) <OPT_fwritable_strings>:
8915         Remove.
8916         * toplev.c (flag_writable_strings): Remove.
8917         (f_options): Remove an entry for writable-strings.
8918         * varasm.c (const_hash_1) <STRING_CST>: Don't check
8919         flag_writable_strings.
8920         (compare_constant) <STRING_CST>: Likewise.
8921         (build_constant_desc): Likewise.
8922         * config/darwin.c (machopic_select_section): Likewise.
8923         * config/arm/arm.c (AOF_ASSEMBLER): Likewise.
8924         * config/arm/pe.c (arm_pe_encode_section_info): Likewise.
8925         * config/iq2000/iq2000.c (iq2000_select_section): Likewise.
8926         * config/mips/mips.c (mips_select_section): Likewise.
8927         (mips_encode_section_info): Likewise.
8928         * config/pa/pa.c (pa_select_section): Likewise.
8929         * config/pa/pa.h (TEXT_SPACE_P): Likewise.
8930         * config/v850/v850.c (v850_select_section): Likewise.
8931         * doc/invoke.texi (-fwritable-strings): Remove.
8932         (-fno-const-strings): Don't mention -fwritable-strings.
8933         * doc/trouble.texi: Don't mention -fwritable-strings.
8934
8935 2003-02-23  Nathanael Nerode  <neroden@gcc.gnu.org>
8936
8937         * doc/install.texi: Update for switch of boehm-gc to autoconf 2.57.
8938
8939 2004-02-23  Dale Johannesen  <dalej@apple.com>
8940
8941         * config/rs6000.md (movsf_hardfloat): Add POWER form of nop.
8942         (movdf_hardfloat64):  Ditto.
8943         (movdf_softfloat64):  Ditto.
8944
8945 2004-02-23  Fariborz Jahanian <fjahanian@apple.com>
8946         * config/rs6000/rs6000.c (function_arg): call to
8947         rs6000_mixed_function_arg for DFmode moved to allow
8948         normal DFmode incoming register assignment.
8949
8950 2004-02-23  Dale Johannesen  <dalej@apple.com>
8951
8952         * config/rs6000.md (movsf_hardfloat): Accept CTR-to-CTR copy.
8953         (movdf_hardfloat64):  Ditto.
8954
8955 2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8956
8957         * convert.c, gcov-io.c, libgcov.c, sched-int.h, sibcall.c,
8958         config/rs6000/linux.h, config/rs6000/rs6000-c.c: Update
8959         copyright.
8960
8961 2004-02-23  Andrew Pinski  <pinskia@physics.uc.edu>
8962
8963         PR c/14156
8964         * c-typeck.c (c_expand_return): Change check for VAR_DECL
8965         to use DECL_P instead.
8966
8967         * config/rs6000/linux.h (OS_MISSING_POWERPC64): Define.
8968         * config/rs6000/linux64.h (OS_MISSING_POWERPC64): Define.
8969
8970 2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8971
8972         * Makefile.in (opts.o): Depend on target.h.
8973         * opts.c (decode_options): Use targetm.default_short_enums
8974         instead of DEFAULT_SHORT_ENUMS.
8975         * system.h (DEFAULT_SHORT_ENUMS): Poison.
8976         * target-def.h (TARGET_DEFAULT_SHORT_ENUMS): New.
8977         (TARGET_INITIALIZER): Add TARGET_DEFAULT_SHORT_ENUMS.
8978         * target.h (gcc_target): Add default_short_enums.
8979         * config/cris/cris.h: Remove a comment about
8980         DEFAULT_SHORT_ENUMS.
8981         * config/ip2k/ip2k.h: Likewise.
8982         * doc/tm.texi (DEFAULT_SHORT_ENUMS): Change to
8983         TARGET_DEFAULT_SHORT_ENUMS.  Update the description.
8984
8985 2004-02-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
8986             Falk Hueffner  <falk@debian.org>
8987
8988         PR c/14188
8989         * builtins.c (expand_builtin_va_arg): Emit an informative message
8990         if a trap is generated.
8991         * c-typeck.c (build_function_call): Likewise.
8992
8993 2004-02-22  Jakub Jelinek  <jakub@redhat.com>
8994
8995         * gcov-io.c (gcov_open) [GCOV_LOCKED]: Use open + fdopen instead of
8996         fopen.
8997         * libgcov.c: Include sys/stat.h.
8998         * config/rs6000/linux.h (TARGET_HAS_F_SETLKW): Define.
8999         * config/rs6000/linux64.h (TARGET_HAS_F_SETLKW): Define.
9000         * config/sparc/linux.h (TARGET_HAS_F_SETLKW): Define.
9001         * config/sparc/linux64.h (TARGET_HAS_F_SETLKW): Define.
9002
9003 2004-02-22  Kazu Hirata  <kazu@cs.umass.edu>
9004
9005         * reorg.c: Remove comments about dead ports.
9006
9007 2004-02-22  Christopher Faylor  <cgf@redhat.com>
9008
9009         * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): *Really* specify
9010         extra host object file when targetting cygwin rather than generic
9011         object files.
9012
9013 2004-02-22  Josef Zlomek  <zlomekj@suse.cz>
9014
9015         Merge from tree-ssa:
9016         2003-11-20  Richard Henderson  <rth@redhat.com>
9017
9018                 * tree-inline.c (insert_decl_map): New.
9019                 (remap_decl, remap_type, remap_block, copy_body_r,
9020                 initialize_inlined_parameters, declare_return_variable,
9021                 remap_save_expr): Use it.
9022
9023         * function.c (copy_body_r): Add mapping from id->ret_label to
9024         id->ret_label.  Revert test for ret_label.
9025
9026 2004-02-22  Jakub Jelinek  <jakub@redhat.com>
9027
9028         * genoutput.c (process_template): Strip trailing whitespace in @
9029         templates and issue a warning if there was any.
9030
9031 2004-02-21  Christopher Faylor  <cgf@redhat.com>
9032
9033         * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): Specify extra host
9034         object file when targetting cygwin.
9035         * config/i386/t-cygwin (EXTRA_GCC_OBJS): Remove definition since it is
9036         overridden by top-level Makefile.
9037
9038 2004-02-21  Roger Sayle  <roger@eyesopen.com>
9039
9040         * config/i386/i386.c (standard_80387_constant_p): Also prefer
9041         the x87's load constant instructions when optimizing for size.
9042
9043 2004-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9044
9045         * combine.c (SHIFT_COUNT_TRUNCATED): Remove.
9046         * defaults.h (SHIFT_COUNT_TRUNCATED): Provide the default.
9047         * expmed.c: Assume SHIFT_COUNT_TRUNCATED is always defined.
9048         * fold-const.c: Likewise.
9049         * simplify-rtx.c: Likewise.
9050
9051 2004-02-21  Alan Modra  <amodra@bigpond.net.au>
9052
9053         * combine.c (can_combine_p): Don't ignore SETs marked with
9054         REG_EH_REGION notes.
9055         (try_combine): When attemting to fix unrecognized insns, don't
9056         split a PARALLEL that contains the original i2.
9057
9058 2004-02-21  Ziemowit Laski  <zlaski@apple.com>
9059
9060         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Refer to
9061         SUBTARGET_OPTION_TRANSLATE_TABLE for architecture-specific options.
9062         * config/i386/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Define it.
9063         * config/rs6000/altivec.h: #error out if '-maltivec' not specified.
9064         (vector, pixel, bool): #define to __vector, __pixel and __bool.
9065         (__un_args_eq, __bin_args_eq, __tern_args_eq): Move to C-specific
9066         portion of header.
9067         (__altivec_link_error_invalid_argument): Remove prototype; will use
9068         __builtin_altivec_compiletime_error("vec_*") instead.
9069         (vec_*): Fix/complete set of available operation overloads given the
9070         existence of distinct 'vector bool ...' and 'vector pixel' types; tighten
9071         cv-correctness of pointer arguments; in C, always check for correct
9072         argument types before macro expansion.
9073         * config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): New macro
9074         defining Darwin/PowerPC-specific '-f[no-]altivec' and
9075         '-W[no-]altivec-long-deprecated' switches.
9076         * config/rs6000/rs6000-c (rs6000_cpu_cpp_builtins): Pre-define
9077         '__vector', '__pixel' and '__bool' macros using
9078         '__attribute__((altivec(...)))' types.
9079         * config/rs6000/rs6000.c (bool_char_type_node, bool_short_type_node,
9080         bool_int_type_node, pixel_type_node, bool_V16QI_type_node,
9081         bool_V8HI_type_node, bool_V4SI_type_node, pixel_V8HI_type_node):
9082         New type nodes.
9083         (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): New, for
9084         handling '-W[no-]altivec-long-deprecated'.
9085         (rs6000_override_options): Handle '-W[no-]altivec-long-deprecated'.
9086         (rs6000_expand_binop_builtin, rs6000_expand_ternop_builtin,
9087         altivec_expand_dst_builtin): Remove casts from integer literals.
9088         (altivec_expand_builtin): Likewise; handle expansion of new
9089         '__builtin_altivec_compiletime_error' function.
9090         (rs6000_init_builtins): Initialize 'vector bool ...' and 'vector pixel'
9091         types, and make them distinct from other vector types; register
9092         '__builtin_altivec_compiletime_error' function.
9093         (print_operand): For 'P', print a full target register name instead of
9094         merely its number.
9095         (rs6000_attribute_table): Add "altivec" attribute.
9096         (rs6000_handle_altivec_attribute): New function.
9097         * config/rs6000/rs6000.h (TARGET_OPTIONS): Describe
9098         '-m[no-]-warn-altivec-long' (which '-W[no-]altivec-long-deprecated'
9099         maps to).
9100         (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): Forward
9101         declare.
9102         (ALTIVEC_BUILTIN_COMPILETIME_ERROR): New built-in enumeration.
9103
9104 2004-02-20  James E Wilson  <wilson@specifixinc.com>
9105
9106         * config/ia64/ia64.md (shift_mix4left+1): Delete reload_completed
9107         check.
9108         (shift_mix4left+2): Delete redundant pattern.
9109
9110 2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9111
9112         * alias.c (OUTGOING_REGNO): Don't define the default.
9113         * builtins.c (OUTGOING_REGNO): Likewise.
9114         (INCOMING_REGNO): Likewise.
9115         (apply_args_register_offset): Always use OUTGOING_REGNO.
9116         * combine.c (OUTGOING_REGNO): Likewise.
9117         * sibcall.c (OUTGOING_REGNO): Likewise.
9118         * defaults.h (INCOMING_REGNO): Provide the default.
9119         (OUTGOING_REGNO): Likewise.
9120
9121 2004-02-21  Jan Hubicka  <jh@suse.cz>
9122
9123         * params.def (max-peeled-insns, max-completely-peeled-insns,
9124         max-once-peeled-insns): Set to 400.
9125
9126 2004-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9127
9128         PR c++/12007
9129         * dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
9130         are set for parameters before outputing debugging information.
9131
9132 2004-02-20  Falk Hueffner  <falk@debian.org>
9133
9134         PR target/14201
9135         * config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
9136         numbers.
9137
9138 2004-02-20  Per Bothner  <per@bothner.com>
9139
9140         * input.h:  Don't #include line-map.h.  It may cause link problems
9141         with undefined linemap_line_start when line-map.h is included but
9142         line-map.o is not linked, as currently happens with gengtype on
9143         compilers that don't support inline.
9144         * toplev.c:  So we do have to explicitly #include line-map.h here.
9145
9146 2004-02-20  Richard Henderson  <rth@redhat.com>
9147
9148         * doc/invoke.texi: Add -Wvariadic-macros.
9149
9150 2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9151
9152         * haifa-sched.c (sched_emit_insn): Remove.
9153         * sched-int.h: Remove the corresponding prototype.
9154
9155 2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9156
9157         Revert:
9158         2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9159         * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
9160         * system.h (DEFAULT_SHORT_ENUMS): Poison.
9161         * config/cris/cris.h: Remove a comment about
9162         DEFAULT_SHORT_ENUMS.
9163         * config/ip2k/ip2k.h: Likewise.
9164         * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.
9165
9166 2004-02-20  Mohan Embar  <gnustuff@thisiscool.com>
9167             Tom Tromey  <tromey@redhat.com>
9168
9169         * doc/install.texi: Moved --disable-libgcj and
9170         --with-system-zlib documentation to new section for
9171         Java-specific options.
9172         Added explicit Cross-Compiler-Specific Options subheading.
9173         Added section for Java-specific options.
9174
9175 2004-02-20  Matt Kraai  <kraai@alumni.cmu.edu>
9176
9177         * doc/install.texi (Building the Ada compiler): Remove
9178         example.
9179
9180 2004-02-20  James E Wilson  <wilson@specifixinc.com>
9181
9182         * toplev.c (dump_file_index, dump_file): Put ce3 before rnreg.
9183
9184 2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9185
9186         * gcc.c (process_command): Allow translation of the copyright
9187         symbol but not the rest of the copyright message.
9188         * gcov.c (print_version): Likewise.  Allow translation of the
9189         message about warranty.
9190
9191 2004-02-20  Hans-Peter Nilsson  <hp@axis.com>
9192
9193         * config/cris/cris.md ("*andsi_movu"): Correct parentheses in
9194         predicate.
9195         ("*andsi_clear"): Tweak constraints to not match postincrement.
9196         Adjust the predicate to exclude a volatile memory reference.
9197         ("*andhi_clear"): Ditto.  Rename from "*andhi_clear_signed".
9198         ("*andhi_clear_unsigned"): Remove, non-matching pattern.
9199
9200 2004-02-19  Matt Kraai  <kraai@alumni.cmu.edu>
9201
9202         * move-if-change: Remove.
9203         * Makefile.in (s-mlib, c-parse.y, s-check, s-gencheck)
9204         (s-specs, s-options, s-config, s-conditions, s-flags, s-codes)
9205         (s-constants, s-emit, s-recog, s-opinit, s-extract, s-peep)
9206         (s-attr, s-attrtab, s-output, s-genrtl, s-modes, s-preds)
9207         (s-gtyp-gen, s-iov): Use the top level move-if-change.
9208         * objc/Make-lang.in (objc/objc-parse.y): Likewise.
9209
9210 2004-02-19  James E Wilson  <wilson@specifixinc.com>
9211
9212         * config/i386/i386.md (doloop_end_internal): Use nonimmediate_operand
9213         for operand2.  Add condition that requires register_operand operand2
9214         before reload.
9215
9216 2004-02-19  Richard Sandiford  <rsandifo@redhat.com>
9217             Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
9218
9219         * config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
9220         * config/mips/mips.md: Expand comment above unaligned loads and stores.
9221
9222 2004-02-19  Richard Henderson  <rth@redhat.com>
9223
9224         * Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
9225         * tree.c (build0, build1, build2, build3, build4): Split out from...
9226         (build): ... here.  Call them.
9227         * tree.h (build, _buildN1, _buildN2, _buildC1, _buildC2): New.
9228
9229         * convert.c (convert_to_integer): Remove extra build argument.
9230         * tree-inline.c (expand_call_inline): Likewise.
9231
9232 2004-02-19  Richard Henderson  <rth@redhat.com>
9233
9234         * c-opts.c (warn_variadic_macros): New.
9235         (c_common_handle_option): Set it.
9236         (sanitize_cpp_opts): Copy it to cpp_opts.
9237         * c.opt (Wvariadic-macros): New.
9238         * cpplib.h (struct cpp_options): Add warn_variadic_macros.
9239         * cppinit.c (cpp_create_reader): Initialize it.
9240         * cppmacro.c (parse_params): Check it.
9241
9242 2004-02-19  David Daney <ddaney@avtrex.com>
9243
9244         PR preprocessor/14198
9245         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Add
9246         builtin_assert ("machine=mips")
9247
9248 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9249
9250         * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
9251         * system.h (DEFAULT_SHORT_ENUMS): Poison.
9252         * config/cris/cris.h: Remove a comment about
9253         DEFAULT_SHORT_ENUMS.
9254         * config/ip2k/ip2k.h: Likewise.
9255         * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.
9256
9257 2004-02-19  Zack Weinberg  <zack@codesourcery.com>
9258
9259         * config/ia64/ia64.c (ia64_function_arg): In big-endian mode,
9260         when passing single SFmode quantities in general registers,
9261         put them in the high half.
9262
9263 2004-02-19  Aldy Hernandez  <aldyh@redhat.com>
9264
9265         * doc/md.texi (Standard Names): Document additional dependency on
9266         fix pattern.
9267
9268         * optabs.c (ftruncify): Remove.
9269         (expand_fix): Manually inline ftruncify above.
9270         (can_fix_p): Add FIXME note.
9271
9272 2004-02-19  Aldy Hernandez  <aldyh@redhat.com>
9273
9274         * config/rs6000/spe.md (spe_fixunssfsi2): Rename to
9275         spe_fixuns_truncsfsi2.
9276
9277         * config/rs6000/rs6000.md (fixunssfsi2): Rename to
9278         fixuns_truncsfsi2.
9279
9280 2004-02-19  Steve Ellcey  <sje@cup.hp.com>
9281
9282         * config/ia64/ia64.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9283         * testsuite/gcc.dg/20040219-1.c: New test.
9284
9285 2004-02-19  Ulrich Weigand  <uweigand@de.ibm.com>
9286
9287         * config/s390/s390.md ("*subdf3_cc", "*subdf3_cconly", "*subsf3_cc",
9288         "*subsf3_cconly"): Subtraction is not commutative.
9289
9290 2004-02-19  Zack Weinberg  <zack@codesourcery.com>
9291
9292         * sdbout.c (preinit_symbols, sdbout_initialized): New statics.
9293         (sdbout_symbol): If called before sdbout_init, queue DECL for
9294         later and return.
9295         (sdbout_init): Set sdbout_initialized true, process decls
9296         queued earlier by sdbout_symbol.
9297         (sdbout_finish): Use size_t for index variable.
9298
9299 2004-02-19  Jeff Law  <law@redhat.com>
9300
9301         * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
9302         for unordered comparison codes.
9303
9304 2004-02-19  Ian Lance Taylor  <ian@wasabisystems.com>
9305
9306         * reload1.c (reload): Correct comment.
9307         (scan_paradoxical_subregs): Remove #if 0 and old comment.
9308         * doc/extend.texi (Local Reg Vars): Remove obsolete comment that
9309         register variables are not used by reload.
9310
9311 2004-02-19  Hans-Peter Nilsson  <hp@axis.com>
9312
9313         PR target/14209
9314         * config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
9315         constraints to not match postincrement.  Adjust the predicate to
9316         exclude a volatile memory reference.
9317
9318 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9319
9320         * config/mcore/mcore.h (ASM_OUTPUT_EXTERNAL): Remove.
9321
9322 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9323
9324         * hooks.c (hook_void_tree_int): Remove.
9325         (hook_void_constcharptr): Likewise.
9326         (hook_int_void_0): Likewise.
9327         * hooks.h: Remove the prototypes for the above three
9328         functions.
9329         * targhooks.c (hook_bool_machine_mode_true): Remove.
9330         * targhooks.h: Remove the prototype for
9331         hook_bool_machine_mode_true.
9332
9333 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9334
9335         * emit-rtl.c (subreg_realpart_p): Remove.
9336         (reorder_insns_with_line_notes): Likewise.
9337         (end_full_sequence): Likewise.
9338         * rtl.h: Remove the prototype for the above functions.
9339
9340 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9341
9342         * config/arc/arc.h, config/arm/arm.h, config/frv/frv.h,
9343         config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
9344         config/iq2000/iq2000.h, config/m32r/m32r.h,
9345         config/pdp11/pdp11.h, config/sparc/sparc.h,
9346         config/xtensa/xtensa.h: Remove commented-out or useless
9347         definitions of CASE_VECTOR_PC_RELATIVE.
9348
9349 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
9350
9351         * loop.c (all_sets_invariant_p): Remove.
9352
9353 2004-02-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
9354
9355         PR target/12916
9356         * config/sparc/sparc.h (NPARM_REGS): Delete.
9357         (BASE_RETURN_VALUE_REG): Likewise.
9358         (BASE_OUTGOING_VALUE_REG): Likewise.
9359         (BASE_PASSING_ARG_REG): Likewise.
9360         (BASE_INCOMING_ARG_REG): Likewise.
9361         * config/sparc/sparc.c (sparc_strict_argument_naming): Test
9362         TARGET_ARCH64, not TARGET_V9.
9363         (function_arg_slotno): Dispatch based on the mode class.
9364         Handle vector modes like floating-point modes.
9365         (function_arg_record_value_1): Handle vector types like
9366         floating-point types.
9367         (function_arg_record_value_2): Likewise.
9368         Calculate regno after mode transformation.
9369         (function_arg): Handle vector modes like floating-point modes.
9370         (function_arg_partial_nregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX.
9371         If ARCH64, do not recheck alignment.
9372         (function_arg_pass_by_reference): Reorder the conditions.
9373         (sparc_return_in_memory): Move after function_arg_padding.
9374         Implement calling conventions for vector modes.
9375         (sparc_struct_value_rtx): Move after sparc_return_in_memory.
9376         (function_value): Move scope of 'regbase'.
9377         Implement calling conventions for vector modes.
9378         (sparc_builtin_saveregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX
9379         and BASE_INCOMING_ARG_REG by SPARC_INCOMING_INT_ARG_FIRST.
9380         (sparc_va_arg): Use function_arg_pass_by_reference to test whether
9381         the argument is passed by reference.
9382         (sparc_type_code): Handle vector types.
9383
9384 2004-02-19  Alan Modra  <amodra@bigpond.net.au>
9385
9386         * function.c (assign_parms): When building decl_rtl for
9387         SPLIT_COMPLEX_ARGS, ensure inner modes of concat match outer.
9388
9389 2004-02-19  Olivier Hainque  <hainque@act-europe.fr>
9390
9391         * expr.c (is_aligning_offset): Check if we are aligning the
9392         expressions's address over BIGGEST_ALIGNMENT in bytes, not
9393         in bits.
9394
9395 2003-02-18  Matt Austern  <austern@apple.com>
9396
9397         * gcc.c (LIBGCC_SPEC): If REAL_LIBGCC_SPEC is defined, and
9398         LIBGCC_SPEC isn't, set LIBGCC_SPEC to REAL_LIBGCC_SPEC.
9399         (init_gcc_spec): Don't define or call if REAL_LIBGCC_SPEC is
9400         defined.  Instead use REAL_LIBGCC_SPEC, unmodifed, as the libgcc
9401         spec string.
9402         * doc/tm.texi (REAL_LIBGCC_SPEC): Document.
9403
9404 2004-02-18  Zack Weinberg  <zack@codesourcery.com>
9405
9406         * dwarf2out.c (loclabel_num): Move outside #ifdef
9407         DWARF2_DEBUGGING_INFO and mark with GTY(()).
9408         * config/ia64/ia64.c (struct extern_func_list,extern_func_head):
9409         Mark with GTY(()).
9410         (ia64_hpux_add_extern_decl): Save the decl, not the name string.
9411         Allocate memory with ggc_alloc.  No need to copy anything.
9412         (ia64_hpux_file_end): Update to match.
9413
9414 2004-02-18  Jakub Jelinek  <jakub@redhat.com>
9415
9416         * config/i386/i386.c (override_options): Don't imply 3DNow! for -m64
9417         by default.
9418
9419 2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
9420
9421         * config/s390/s390.md ("divmodtidi3"): Use canonical RTL.
9422         ("divmodtisi3"): Likewise.
9423         ("udivmoddi4", "udivmodtidi3"): Likewise.
9424         ("divmodsi4", "divmoddisi3"): Likewise.
9425         ("udivmodsi4", "udivmoddisi3"): Likewise.
9426         ("udivsi3", "umodsi3"): Likewise.
9427
9428 2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
9429
9430         * config/s390/s390.c (s390_mainpool_start): Delete the main pool
9431         placeholder insn when chunkifying the pool.
9432
9433 2004-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9434
9435         * pa.h (PIC_OFFSET_TABLE_REGNUM): Define to INVALID_REGNUM when not
9436         generating PIC code.
9437
9438 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9439
9440         * config/h8300/h8300-protos.h: Add a prototype for
9441         h8300_expand_branch.
9442         * config/h8300/h8300.c (h8300_expand_branch): New.
9443         * config/h8300/h8300.md (ble, bleu, bge, bgeu, blt, bltu, bgt,
9444         bgtu, beq, bne): Call h8300_expand_branch().
9445
9446 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9447
9448         * config/h8300/h8300-protos.h: Add prototypes for
9449         h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.
9450         * config/h8300/h8300.c (h8300_hard_regno_nregs): New.
9451         (h8300_hard_regno_mode_ok): Likewise.
9452         * config/h8300/h8300.h (HARD_REGNO_NREGS): Call
9453         h8300_hard_regno_nregs().
9454         (HARD_REGNO_MODE_OK): Call h8300_hard_regno_mode_ok().
9455
9456 2004-02-18  Per Bothner  <per@bothner.com>
9457
9458         * cpphash.h (struct cpp_buffer):  Restore return_at_eof field.  This
9459         partly reverts my 2003-10-01 change, because we're back to logically
9460         including <command line> inside the main line.
9461         * cpplex.c (_cpp_get_fresh_line):  Check return_at_eof field.
9462         * cppmacro.c (cpp_scan_nooutput):  Set return_at_eof of current buffer.
9463         Fixes PR preprocessor/14103.
9464
9465         * cppfiles.c (_cpp_stack_include):  When appropriate decrement
9466         line_table's highest_location, fixing LAST_SOURCE_LINE_LOCATION.
9467         (cpp_push_include):  Don't need to increment pfile's line field.
9468         * line-map.h (LAST_SOURCE_LINE_LOCATION):  Only decrement by 1.
9469
9470         * c-ppoutput.c (print struct):  New first_time field.
9471         (init_pp_output):  Set print.first_time.
9472         (pp_file_change):  Use print.first_time, rather than MAIN_FILE_P,
9473         which is set also for (say) <command line>.  Clear print.first_time.
9474
9475         * cppfiles.c (struct _cpp_file):  Comment and type for pch field
9476         does not match the code, so fix both.
9477         (should_stack_file):  Inline include_pch_p function.
9478         (include_pch_p):  Remove pointless function.
9479
9480         * cpphash.h (struct cpp_buffer):  Remove unused search_cached field.
9481
9482 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9483
9484         * config/h8300/h8300.md (four define_peephole2's): Use
9485         h8300_regs_ok_for_stm().
9486
9487 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9488
9489         * config/h8300/h8300-protos.h: Update the prototype for
9490         expand_a_rotate().
9491         * config/h8300/h8300.c (expand_a_rotate): Remove the first
9492         argument.
9493         * config/h8300/h8300.md: Update all callers.
9494
9495 2004-02-18  Jan Hubicka  <jh@suse.cz>
9496
9497         * simplify-rtx.c (simplify_unary_operation): Deal with logicals on
9498         floats.
9499         (simplify_binary_operation): Deal with logicals on floats.
9500
9501         * i386.md (SSE fabs splitters): Emit new patterns.
9502         (SSE cmov splitters): Likewise.
9503         (sse_andv4sf3, sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3
9504         (sse_andv2df3, sse_nandv2df3, sse_iorv2df3, sse_xorv2df3): Do not use
9505         subregs.
9506         (sse_andsf3, sse_nandsf3, sse_xorsf3): Kill.
9507         (sse_anddf3, sse_nanddf3, sse_xordf3): Kill.
9508
9509 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9510
9511         * config/h8300/h8300.c (expand_a_rotate): Don't generate insns
9512         by hand.
9513         (output_a_rotate): Tweak a comment.
9514         * config/h8300/h8300.md (*rotlqi3_1): Change to rotlqi3_1.
9515         (*rotlhi3_1): Change to rotlhi3_1.
9516         (*rotlsi3_1): Change to rotlsi3_1.
9517
9518 2004-02-18  Richard Earnshaw  <rearnsha@arm.com>
9519
9520         PR target/13866
9521         * arm.c (load_multiple_operation): Don't insist that the source reg
9522         of a post-increment component is the same as the destination.
9523         (store_multiple_operation): Likewise.
9524
9525 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9526
9527         * config/h8300/h8300.md: Move movsf patterns into one section
9528         of the file.
9529
9530 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9531
9532         * cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
9533         loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
9534         xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
9535         config/mips/linux64.h, config/pa/pa-64.h,
9536         config/rs6000/aix51.h, config/rs6000/aix52.h,
9537         config/rs6000/spe.md, config/sparc/linux.h,
9538         config/sparc/linux64.h: Update copyright.
9539
9540 2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
9541
9542         * config/h8300/h8300.md: Move push patterns into one
9543         section of the file.
9544
9545 2004-02-18  Mark Mitchell <mark@codesourcery.com>
9546
9547         PR c++/11326
9548         * config/ia64/ia64.c (ia64_struct_value_rtx): Cope with NULL
9549         fntype.
9550
9551 2004-02-18  Paul Brook  <paul@codesourcery.com>
9552
9553         * rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX
9554
9555 2004-02-18  Paul Brook  <paul@codesourcery.com>
9556
9557         PR debug/12934
9558         * dwarf2out.c (loc_descriptor_from_tree): Handle
9559         EXPR_WITH_FILE_LOCATION.
9560
9561 2004-02-18  Jakub Jelinek  <jakub@redhat.com>
9562
9563         * config/i386/i386.md (zero_extendqidi2, zero_extendqidi2,
9564         testdi_1_rex64, anddi_2, xordi_1_rex64, xordi_2_rex64): Remove
9565         trailing whitespace from instructions.
9566
9567 2004-02-17  Geoffrey Keating  <geoffk@apple.com>
9568
9569         * configure.ac: When generating auto-build.h, pass
9570         --enable-languages to the sub-configure.
9571         Put quotes around ${program_transform_name} when generating
9572         name of as, ld, nm, objdump.
9573         * configure: Regenerate.
9574
9575 2004-02-17  Matt Kraai  <kraai@alumni.cmu.edu>
9576
9577         * Makefile.in (s-check, s-config, s-conditions, s-flags)
9578         (s-codes, s-constants, s-emit, s-recog, s-opinit, s-extract)
9579         (s-peep, s-attr, s-attrtab, s-output, s-genrtl, s-modes)
9580         (s-preds, s-iov): Do not depend on move-if-change.
9581
9582 2004-02-17  James E Wilson  <wilson@specifixinc.com>
9583
9584         * caller-save.c (insert_restore): Pass mem through copy_rtx.
9585         (insert_save): Likewise.
9586
9587 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9588
9589         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Fix a
9590         warning.
9591
9592 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9593
9594         * config/h8300/h8300.md (*one_complsi2_h8300): Change to
9595         *one_cmplsi2_h8300.
9596         (*one_complsi2_h8300hs): Change to *one_cmplsi2_h8300hs.
9597
9598 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9599
9600         * config/h8300/h8300-protos.h: Update the prototype of
9601         fix_bit_operand().
9602         * config/h8300/h8300.c (fix_bit_operand): Remove the second
9603         argument "what".
9604         * config/h8300/h8300.md: Update all callers.
9605
9606 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9607
9608         * config/h8300/h8300.c (fix_bit_operand): Change the name of
9609         the last argument to "code" from "type".
9610
9611 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9612
9613         * config/h8300/h8300.c: Remove an extern declaration of
9614         rtx_equal_function_value_matters.
9615
9616 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9617
9618         * config/h8300/h8300.c (fix_bit_operand): Don't generate insns
9619         by hand.
9620         * config/h8300/h8300.md (*andqi3_1): Change to andqi3_1.
9621         (*iorqi3_1): Change to iorqi3_1.
9622         (*xorqi3_1): Change to xorqi3_1.
9623
9624 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9625
9626         * c-common.c, cfghooks.c, rtlanal.c, varasm.c: Fix comment
9627         typos.
9628
9629 2004-02-17  Jan Hubicka  <jh@suse.cz>
9630
9631         * i386.c (x86_prologue_using_move, x86_epilogue_using_move): Disable for P4.
9632
9633 2004-02-18  Alan Modra  <amodra@bigpond.net.au>
9634
9635         PR optimization/14119
9636         * combine.c (try_combine): When attemting to fix unrecognized insns,
9637         don't delete SETs marked with REG_EH_REGION notes.
9638
9639 2004-02-17  Ulrich Weigand  <uweigand@de.ibm.com>
9640
9641         * combine.c (simplify_if_then_else): Do not replace
9642         (if_then_else (ne reg 0) (0) (const_int)) by (reg) if the
9643         modes differ.
9644
9645 2004-02017  Steven Bosscher  <stevenb@suse.de>
9646
9647         * (c-decl.c, c-semantics.c, calls.c, cgraph.c, cgraphunit.c,
9648         function.c, integrate.c, print-tree.c, toplev.c, tree-optimize.c,
9649         tree.h): Replace DECL_SAVED_INSNS with DECL_STRUCT_FUNCTION.
9650         * ada/utils.c: Likewise.
9651         * cp/decl.c: Likewise.
9652         * f/com.c: Likewise.
9653         * java/class.c: Likewise.
9654
9655 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9656
9657         * config/h8300/h8300.md: Fix comment typos.
9658
9659 2004-02-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9660
9661         * config/mips/t-iris6gld: Renamed to ...
9662         * config/mips/t-irix-gld: ... this.
9663         * config.gcc (mips-sgi-irix6*): Reflect this
9664         (mips-sgi-irix5*): Use it with GNU ld.
9665
9666         * config/mips/irix6-crti.asm, config/mips/irix6-crtn.asm: Renamed
9667         to ...
9668         * config/mips/irix-crti.asm, config/mips/irix-crtn.asm: ... this.
9669         * config/mips/t-irix-gld: Reflect this.
9670         * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
9671
9672         * config/mips/iris5gld.h: New file.
9673         * config.gcc (mips-sgi-irix5*): Use it with GNU ld.
9674         Only use collect2 without gas.
9675
9676         * config/mips/iris6.h (IRIX6_STARTFILE_SPEC, IRIX6_ENDFILE_SPEC):
9677         Renamed to IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
9678         (STARTFILE_SPEC, ENDFILE_SPEC, SUBTARGET_EXTRA_SPECS): Reflect this.
9679         * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
9680
9681         * config/mips/iris6.h (SUBTARGET_EXTRA_SPECS): Moved ...
9682         * config/mips/iris5.h: ... here.
9683
9684         * config/mips/iris5.h (STARTFILE_SPEC, ENDFILE_SPEC): Renamed to
9685         IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
9686         (STARTFILE_SPEC, ENDFILE_SPEC): Define.
9687
9688         * config/mips/iris5gas.h (STARTFILE_SPEC, ENDFILE_SPEC): Simplify
9689         using irix_startfile_spec, irix_endfile_spec.
9690
9691 2004-02-16  Gunther Nikl  <gni@gecko.de>
9692
9693         * config/m68k/m68k.c: Remove obsolete support for HPUX_ASM.
9694
9695 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9696
9697         * config/h8300/h8300.c (h8300_expand_prologue): Don't generate
9698         insns by hand.
9699
9700 2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9701
9702         * cfghooks.c (split_edge): Speed up updating of dominators.
9703
9704 2004-02-17  Mark Mitchell  <mark@codesourcery.com>
9705
9706         PR c++/11326
9707         * c-common.c (flag_abi_version): Remove.
9708         * c-common.h (flag_abi_version): Likewise.
9709         * c-opts.c (c_common_handle_option): Remove OPT_fabi_version case.
9710         * c.opt (fabi-version): Remove.
9711         * calls.c (expand_call): Always pass a function type to
9712         struct_value_rtx.  Use convert_memory_address.
9713         * common.opt (fabi-version): Add it.
9714         * flags.h (flag_abi_version): Likewise.
9715         (abi_version_at_least): New macro.
9716         * opts.c (common_handle_option): Add OPT_fabi_version.
9717         * toplev.c (flag_abi_version): Define it.
9718         * config/ia64/ia64.c (ia64_struct_retval_addr_is_first_parm_p):
9719         New function.
9720         (ia64_output_mi_thunk): Use it.
9721         (ia64_struct_value_rtx): Likewise.
9722
9723 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9724
9725         * config/h8300/h8300.c (h8300_emit_stack_adjustment):
9726         Don't generate insns by hand.
9727
9728 2004-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
9729
9730         PR c++/14178
9731         * doc/invoke.texi (fabi-version): The default is 2 now.
9732
9733 2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9734
9735         * loop-iv.c: New file.
9736         * Makefile.in (loop-iv.o): New.
9737         * basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
9738         * cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
9739         num_loop_branches): New functions.
9740         * cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
9741         iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
9742         find_simple_exit, iv_number_of_iterations, iv_analysis_done,
9743         get_simple_loop_desc, free_simple_loop_desc): Declare.
9744         (simple_loop_desc): New inline function.
9745         (struct rtx_iv, struct niter_desc): New.
9746         * cfgloopmanip.c (loopify): Specify semantics more precisely.
9747         * expr.c (force_operand): Handle subregs of expressions created by
9748         loop unroller.
9749         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
9750         parts of the initialization to toplev.c
9751         * loop-unroll.c (loop_exit_at_end_p): New.
9752         (unroll_and_peel_loops): Call iv_analysis_done.
9753         (decide_peel_once_rolling, decide_peel_completely,
9754         decide_unroll_stupid, decide_unroll_constant_iterations,
9755         decide_unroll_runtime_iterations, decide_peel_simple,
9756         peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
9757         unroll_loop_runtime_iterations): Use new simple loop analysis.
9758         * loop-unswitch.c (compare_and_jump_seq): New.
9759         (may_unswitch_on_p): Renamed to ...
9760         (may_unswitch_on): Use new iv analysis.
9761         (reversed_condition): Export.
9762         (unswitch_single_loop, unswitch_loop): Use new iv analysis.
9763         * predict.c (estimate_probability): Use new simple loop analysis.
9764         * rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
9765         canon_condition, simplify_using_condition): Declare.
9766         * stor-layout.c (get_mode_bounds): New.
9767         * toplev.c (rest_of_handle_loop2): Some parts of
9768         initialization/finalization moved here from loop-init.c.
9769
9770 2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9771
9772         * config/h8300/h8300.h (FIXED_REGISTERS): Add the soft frame
9773         pointer.
9774         (CALL_USED_REGISTERS): Likewise.
9775         (REG_ALLOC_ORDER): Likewise.
9776         (REG_CLASS) <GENERAL_REGS>: Likewise.
9777
9778 2004-02-16  Geoffrey Keating  <geoffk@apple.com>
9779
9780         * doc/md.texi (Insn Canonicalizations): Document left-chaining
9781         in associative operators.
9782         * rtlanal.c (commutative_operand_precedence): Create some new
9783         variables.  Prefer a commutative operand on the left, then
9784         binary expressions, then NEG and NOT.
9785
9786 2004-02-16  Matthias Klose  <doko@debian.org>
9787
9788         * config/t-slibgcc-elf-ver: Define SHLIB_NAME and SHLIB_SONAME
9789         in terms of SHLIB_SOVERSION.
9790         * config/m68k/t-slibgcc-elf-ver: New file.
9791         * config/pa/t-slibgcc-elf-ver: New file.
9792         * config.gcc (m68k-linux, parisc-linux): Use them when not
9793         sjlj exceptions are not configured.
9794
9795 2004-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9796
9797         * config/sparc/sparc.c (get_pc_symbol_name): Mark with GTY(()).
9798
9799 2004-02-16  Zack Weinberg  <zack@codesourcery.com>
9800
9801         * sdbout.c (sdb_debug_hooks): Correct the type_decl entry.
9802
9803 2004-02-16  Joseph S. Myers  <jsm@polyomino.org.uk>
9804
9805         * doc/sourcebuild.texi: Mention backends.html.
9806
9807 2004-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9808
9809         * c-decl.c, c-ppoutput.c, cpphash.h, cpplib.h, dbxout.c,
9810         line-map.c, line-map.h, var-tracking.c: Fix comment
9811         formatting.
9812
9813 2004-02-16  Richard Henderson  <rth@redhat.com>
9814
9815         * cse.c (cse_insn): Don't lose REG_NON_LOCAL_GOTO note.
9816
9817         * fold-const.c (operand_equal_p): Fix VECTOR_CST comparison.
9818
9819 2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9820
9821         * config/h8300/h8300.md: Remove unnecessary parallels from
9822         all define_insn and define_split patterns.
9823
9824 2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9825
9826         * config/h8300/h8300.md: Remove explicit (set_attr "cc"
9827         "clobber").
9828
9829 2004-02-15  Bernardo Innocenti  <bernie@develer.com>
9830
9831         * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Restore support for
9832         '%#'.
9833
9834 2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9835
9836         * config/ia64/ia64.c, config/mips/mips.c,
9837         config/mmix/mmix-modes.def: Fix comment typos.
9838
9839 2004-02-15  Roger Sayle  <roger@eyesopen.com>
9840
9841         * c-common.h (GET_DIRECTIVE_LINE): Remove unused macro.
9842         (get_directive_line): Remove unused function prototype.
9843
9844 2004-02-14  Josef Zlomek  <zlomekj@suse.cz>
9845
9846         * tree-inline.c (copy_body_r): Do not replace ret_label.
9847
9848 2004-02-14  Jan Hubicka  <jh@suse.cz>
9849
9850         * i386.c (x86_four_jump_limit): New variable.
9851         (k8_avoid_jump_misspredicts): Rename to ...
9852         (ix86_avoid_jump_misspredicts): .. this one.
9853         (ix86_pad_returns): Break out from ...
9854         (ix86_reorg): ... this one; do ix86_avoid_jump_misspredicts when asked
9855         to.
9856         * i386.h (TARGET_FOUR_JUMP_LIMIT): New macro.
9857
9858 2004-02-14  Josef Zlomek  <zlomekj@suse.cz>
9859
9860         * emit-rtl.c (set_decl_incoming_rtl): Check whether the 0th element of
9861         PARALLEL is NULL.
9862
9863 2004-02-14  Per Bothner  <per@bothner.com>
9864
9865         * fix-header.c (line_table):  Move local variable in main to global.
9866         * scan.h (line_table):  Use it.
9867         * scan-decls.c (scan_decls):  Need to call linemap_lookup on token's
9868         line (recently renamed to src_loc) before calling recognized_function.
9869
9870 2004-02-14  Matt Kraai  <kraai@alumni.cmu.edu>
9871
9872         * Makefile.in: Fix comment typos.
9873
9874 2004-02-14  Olivier Hainque  <hainque@act-europe.fr>
9875
9876         * loop.c (check_dbra_loop): Use gen_int_mode instead of GEN_INT
9877         for start_value when it is directly moved into reg, and factorize
9878         the retrieval of GET_MODE (reg).
9879
9880 2004-02-14  Richard Sandiford  <rsandifo@redhat.com>
9881
9882         * config/mips/mips-protos.h (mips_load_got_page): Delete.
9883         (mips_load_got_global): Delete.
9884         (mips_gotoff_page): Declare.
9885         * config/mips/mips.md (UNSPEC_LOAD_GOT): New constant.
9886         (*xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i): Build an
9887         UNSPEC_LOAD_GOT pattern rather than a MEM.
9888         (*load_got[sd]i): New patterns.
9889         * config/mips/mips.c (mips_got_alias_set, mips_load_got): Delete.
9890         (mips_load_got_page, mips_load_got_global): Delete.
9891         (mips_gotoff_page): New function.
9892         (override_options): Don't initialize mips_got_alias_set.
9893
9894 2004-02-14  Richard Sandiford  <rsandifo@redhat.com>
9895
9896         * config/mips/mips.h (MASK_DEBUG_[ABEFI], TARGET_DEBUG_[ABEFI]_MODE)
9897         (TARGET_MIPS4100, TARGET_MIPS4300, TARGET_MIPS4KC, TARGET_MIPS5KC)
9898         (TARGET_SB1, TUNE_SB1, TUNE_SR71K, BIGGEST_MAX_ARGS_IN_REGISTERS)
9899         (GO_PRINTF, GO_PRINTF2, GO_DEBUG_RTX, DFMODE_NAN, SFMODE_NAN): Delete.
9900         (TARGET_SWITCHES): Remove MASK_DEBUG_[ABEFI].
9901         * config/mips/mips.c: Fix some overly-long lines.
9902         (SINGLE_WORD_MODE_P, PIC_OFFSET_TABLE_MASK): Delete.
9903         (init_cumulative_args): Remove TARGET_DEBUG_E_MODE handling.
9904
9905 2004-02-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9906
9907         * configure.ac: Search for as, ld below libexec/gcc.
9908         * configure: Regenerate.
9909
9910 2004-02-14  Ben Elliston  <bje@wasabisystems.com>
9911
9912         * config/arm/mmintrin.h (_mm_setwcx): Reverse arguments in call to
9913         __builtin_arm_setwcx ().
9914         * config/arm/arm.c (arm_expand_builtin): Generate operands
9915         correctly and reverse their order in call to gen_iwmmxt_tmcr ().
9916
9917 2004-02-14  Ben Elliston  <bje@wasabisystems.com>
9918
9919         * config/arm/arm.c (bdesc_2arg): Correct builtin names "wmulsh"
9920         and "wmuluh" to "wmulsm" and "wmulum", respectively.
9921         * config/arm/arm.h (enum arm_builtins): Rename enumerators to
9922         ARM_BUILTIN_WMULSM and ARM_BUILTIN_WMULUM.
9923         * config/arm/mmintrin.h (_mm_mulhi_pi16): Update intrinsic call.
9924         (_mm_mulhi_pu16): Likewise.
9925
9926 2004-02-13  Zack Weinberg  <zack@codesourcery.com>
9927
9928         * xcoffout.c (xcoff_assign_fundamental_type_number): Check
9929         DECL_NAME != 0 before dereferencing.
9930
9931 2004-02-13  Ulrich Weigand  <uweigand@de.ibm.com>
9932
9933         * config/s390/s390-protos.h (s390_output_symbolic_const): Remove.
9934         (s390_output_addr_const_extra): Declare.
9935         (s390_output_pool_entry): Remove FILE * argument.
9936         * config/s390/s390.c (s390_output_symbolic_const): Remove.
9937         (s390_output_addr_const_extra): New function.
9938         (print_operand_address): Call output_addr_const instead of
9939         s390_output_symbolic_const.
9940         (print_operand): Likewise.
9941         (s390_output_pool_entry): Use assemble_integer for symbolic constants.
9942         Remove FILE * argument.
9943         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Define.
9944         * config/s390/s390.md ("*pool_entry"): Adapt s390_output_pool_entry
9945         call.
9946
9947 2004-02-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9948
9949         * cfgloopanal.c (mark_irreducible_loops): Rewriten.
9950         (struct edge, struct vertex, struct graph): New.
9951         (dump_graph, new_graph, add_edge, dfs, check_irred, for_each_edge,
9952         free_graph): New functions.
9953
9954 2004-02-12  Chris Demetriou  <cgd@broadcom.com>
9955
9956         * config/mips/mips.md (casesi_internal, casesi_internal_di):
9957         Use ".set macro" to avoid warnings about multi-instruction
9958         macros, since they're intentional.
9959
9960 2004-02-12  Geoffrey Keating  <geoffk@apple.com>
9961
9962         * config/darwin.h: Add include guards.  Remove old, now incorrect,
9963         comment about STANDARD_EXEC_PREFIX.
9964
9965         * Makefile.in (install-man): Use $(CPP_INSTALL_NAME) and
9966         $(GCOV_INSTALL_NAME) to install manpages.  Remove generic rule
9967         for installing .1 manpages.  Add rules for installing cpp
9968         and gcov manpages under their installed names.
9969
9970 2004-02-12  Alexandre Oliva  <aoliva@redhat.com>
9971
9972         * configure.ac (gcc_cv_ld): Don't set to LD if target is not
9973         host, but try LD_FOR_TARGET first.
9974         * configure: Rebuilt.
9975
9976 2004-02-12  Zack Weinberg  <zack@codesourcery.com>
9977
9978         * dbxout.c: Move declaration of dbxout_type_decl outside
9979         #ifdef DBX_DEBUGGING_INFO.
9980         * c-parse.in: Don't give the asmdef production a type.
9981
9982 2004-02-12  Zack Weinberg  <zack@codesourcery.com>
9983
9984         * debug.h (struct gcc_debug_hooks): Add type_decl field.
9985         (debug_nothing_tree_int): Prototype.
9986         (dwarf_debug_hooks): Delete, unused.
9987         * debug.c (do_nothing_debug_hooks): Update.
9988         (debug_nothing_tree_int): New function.
9989         * langhooks.h (struct lang_hooks_for_decls):
9990         Remove builtin_type_decls field.
9991         * langhooks-def.h (LANG_HOOKS_BUILTIN_TYPE_DECLS): Delete.
9992         (LANG_HOOKS_DECLS): Update.
9993         * toplev.c (rest_of_decl_compilation, rest_of_type_compilation):
9994         Use debug_hooks->type_decl.
9995         * dbxout.c (preinit_symbols): New static.
9996         (dbx_debug_hooks, xcoff_debug_hooks): Update.
9997         (dbxout_init): Don't call DBX_OUTPUT_STANDARD_TYPES or
9998         lang_hooks.decls.builtin_type_decls.  Do scan preinit_symbols
9999         for symbols to output.
10000         (dbxout_type_decl): New function.
10001         (dbxout_symbol): If called before dbxout_init has run, queue
10002         the symbol for later.  Apply DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER
10003         to TYPE_DECLs before emitting them.
10004         * xcoffout.c (assign_type_number): Delete.
10005         (xcoff_type_numbers): New static table.
10006         (xcoff_assign_fundamental_type_number): New function.
10007         * xcoffout.h: Define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER, not
10008         DBX_OUTPUT_STANDARD_TYPES.  Remove unnecessary #ifdefs.
10009         * sdbout.c: Include varray.h.
10010         (deferred_global_decls): New static.
10011         (sdb_debug_hooks): Update.
10012         (sdbout_global_decl): If we can't emit something right now,
10013         remember it in deferred_global_decls.
10014         (sdbout_finish): Just scan deferred_global_decls; don't call getdecls.
10015         (sdbout_init): Initialize deferred_global_decls.
10016         * Makefile.in: Update dependencies of sdbout.o.
10017         * dwarf2out.c (dwarf2out_type_decl): New function.
10018         (dwarf2_debug_hooks): Update.
10019         * vmsdbgout.c (vmsdbg_debug_hooks): Update.
10020         * c-decl.c (getdecls): Just return 0.
10021         (check_for_loop_decls): Don't use getdecls.
10022         (record_builtin_type): Call debug_hooks->type_decl on the TYPE_DECL.
10023         * c-objc-common.c (c_objc_common_finish_file): Don't use getdecls.
10024
10025 2004-02-12  Ulrich Weigand  <uweigand@de.ibm.com>
10026
10027         * config/s390/s390.c (s390_sched_reorder2): Remove.
10028         (TARGET_SCHED_REORDER2): Do not redefine.
10029
10030 2004-02-12  Zack Weinberg  <zack@codesourcery.com>
10031
10032         * c-parse.in (maybe_type_qual): Delete.
10033         (maybe_volatile, simple_asm_expr, asmdef, asm_stmt)
10034         (asm_argument): New grammar rules.
10035         (extdef_1): Use asmdef.
10036         (maybeasm): Move down with other asm rules; use simple_asm_expr.
10037         (xexpr): Move up with other expression rules.
10038         (stmt): Use asm_stmt.
10039
10040         * c-typeck.c (build_asm_expr): New function - body mostly
10041         pulled from build_asm_stmt.
10042         (build_asm_stmt): Just handle tacking on the volatile qualifier.
10043         * c-tree.h (build_asm_expr, build_asm_stmt): Update prototypes.
10044
10045 2004-02-12  Richard Sandiford  <rsandifo@redhat.com>
10046
10047         PR bootstrap/13617
10048         * config/mips/mips-protos.h (mips_output_aligned_decl_common): Declare.
10049         (mips_declare_object): Make variadic.
10050         * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Use
10051         mips_output_aligned_decl_common.
10052         * config/mips/mips.c (mips_output_aligned_decl_common): New function.
10053         (mips_declare_object): Make variadic.
10054
10055 2004-02-12  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10056
10057         * function.c (update_epilogue_consts): Teach about binary operations.
10058
10059         * emit-rtl.c (set_mem_attributes_minus_bitpos): Don't kill
10060         previous MEM_VOLATILE in REF.
10061         * function.c (fixup_var_refs): Save volatile_ok and set to 1.
10062         * expr.c (emit_block_move_via_movstr): Save and restore volatile_ok.
10063
10064 2004-02-12  Gunther Nikl  <gni@gecko.de>
10065
10066         * config.gcc: Restore support for m68k-openbsd.
10067
10068 2004-02-12  Jan Hubicka  <jh@suse.cz>
10069
10070         * tree-optimize.c (tree_rest_of_compilation): Do not release
10071         DECL_ARGUMENTS.
10072
10073 2004-02-11  Matt Kraai  <kraai@alumni.cmu.edu>
10074
10075         * doc/install.texi: Fix the spelling of "explicitly".
10076
10077 2004-02-11  Eric Christopher  <echristo@redhat.com>
10078
10079         * cppcharset.c (_cpp_interpret_string_notranslate): Rename and
10080         duplicate argument structure of cpp_interpret_string.
10081         * cpphash.h: Move prototype...
10082         * cpplib.h: Here.
10083         * cpplib.c: Fix calls to match new function signature.
10084
10085 2004-02-11  Joseph S. Myers  <jsm@polyomino.org.uk>
10086
10087         PR c/456
10088         * cppexp.c (num_binary_op): Don't allow comma operators in #if
10089         constant expressions at all outside C99 mode if pedantic.
10090
10091 2004-02-11  Uros Bizjak  <uros@kss-loka.si>
10092
10093         * optabs.h (enum optab_index): Add new OTI_log10 and OTI_log2.
10094         (log10_optab, log2_optab): Define corresponding macros.
10095         * optabs.c (init_optabs): Initialize log10_optab and log2_optab.
10096         * genopinit.c (optabs): Implement log10_optab and log2_optab
10097         using log10?f2 and log2?f2 patterns.
10098         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG10{,F,L}
10099         using log10_optab, and BUILT_IN_LOG2{,F,L} using log2_optab.
10100         (expand_builtin): Expand BUILT_IN_LOG10{,F,L} and BUILT_IN_LOG2{,F,L}
10101         using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
10102
10103         * config/i386/i386.md (log10sf2, log10df2, log10xf2, log2sf2,
10104         log2df2, log2xf2): New patterns to implement log10, log10f, log10l,
10105         log2, log2f and log2l built-ins as inline x87 intrinsics.
10106
10107 2004-02-11  Richard Henderson  <rth@redhat.com>
10108
10109         PR target/1532
10110         * flow.c (insn_dead_p): A clobber of a dead hard register is a
10111         dead insn after reload.
10112
10113 2004-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
10114
10115         * tree.h (frame_base_decl): Add GTY marker.
10116         * var-tracking.c (frame_base_decl): Likewise.
10117
10118 2004-02-11  Daniel Berlin  <dberlin@dberlin.org>
10119
10120         * dwarf2out.c (output_loc_list): Remove no longer necessary, and now
10121         incorrect, hunk.
10122         (add_location_or_const_value_attribute): Use text_section_label,
10123         not TEXT_SECTION_NAME.
10124
10125 2004-02-11  Per Bothner  <per@bothner.com>
10126
10127         Represent column numbers using line-map's source_location.
10128         The "next available source_location" is now managed internally by
10129         line-maps.c rather than by clients.
10130         * line-map.h (struct line_map):  New field column_bits.
10131         <from_line>:  Rename field to start_location.
10132         (struct line_maps):  New fields highest_location and max_column_hint.
10133         (linemap_check_files_exited):  New declaration.
10134         (linemap_line_start):  New declaration.
10135         (linemap_add):  Remove from_line parameter; use highest_location field.
10136         (SOURCE_LINE, LAST_SOURCE_LINE):  Modify to use column_bits.
10137         (SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION):  New macros.
10138         (CURRENT_LINE_MAP):  Remove macro.
10139         (linemap_position_for_column):  New inline function.
10140         * line-map.c (linemap_init):  Clear new fields.
10141         (linemap_check_files_exited):  New function, extracted from ...
10142         (linemap_free):  Use linemap_check_files_exited.
10143         (linemap_add):  Remove from_line parameter.  Various updates.
10144         (linemap_line_start):  New function.
10145         (linemap_lookeup):  Update for new field names.
10146         * cpphash.h (struct cpp_reader) <map>:  Field removed.  Because
10147         linemap_position_for_column may unpredictably change the current map,
10148         it is cleaner and simpler for us to not cache it in cpp_reader.
10149         (struct cpp_buffer):  New sysp field.
10150         Changed warned_cplusplus_comments and from_stage3 to bitfields.
10151         * cppinit.c (cpp_read_min_file):  pfile->map no longer exists.
10152         * cpplib.c (do_line, do_linemarker, _cpp_do_file_change):  Get
10153         current map using linemap_lookup.
10154         (do_linemarker):  Also set buffer's sysp field.
10155         (destringize_and_run):  No longer need to decrement current line.
10156         * cppfiles.c (_cpp_stack_file):  Set sysp from and in buffer.
10157         (search_path_head, open_file_failed):  Use buffer's sysp.
10158         (cpp_make_system_header):  Get current map using linemap_lookup.
10159         Also set buffer's sysp flag.
10160         * cppmacro.c (_cpp_builtin_macro_text):  Likewise use linemap_lookup.
10161         * cpphash.h (CPP_INCREMENT_LINE):  New macro.
10162         (struct cpp_buffer):  Moved fields saved_cur, saved_rlimit to ...
10163         (struct cpp_reader):  ... and adding saved_line_base field.
10164         * cpptrad.c (_cpp_overlay_buffer, _cpp_remove_overlay):
10165         Update accordingly.  Don't adjust line.
10166         (_cpp_scan_out_logical_line):  Use CPP_INCREMENT_LINE.
10167         * cpphash.c (CPP_IN_SYSTEM_HEADER):  Replaced macro by ...
10168         (cpp_in_system_header):  ... new inline function, using buffer's sysp.
10169         * cpperror.c (_cpp_begin_message):  Update to use cpp_in_system_header.
10170         * cpplex.c (_cpp_lex_direct):  Likewise.
10171         * cppmacro.c (_cpp_builtin_macro_text):  Likewise.
10172         * cppmacro.c (_cpp_create_definition):  Use buffer's sysp field.
10173         * cpplib.h (struct cpp_token):  Rename line field to src_loc.
10174         Remove col field as it is now subsumed by src_loc.
10175         * cpperror.c:  Update various field, parameter, and macro names.
10176         (print_location):  If col==0, try SOURCE_COLUMN of line.
10177         (cpp_error):  Use cur_token's src_loc field, rather than line+col.
10178         * cpplib.c (do_diagnostic):  Token's src_loc fields replaces line+col.
10179         * cpplex.c (_cpp_process_line_notes, _cpp_lex_direct,
10180         _cpp_skip_block_comment):  Use CPP_INCREMENT_LINE.
10181         (_cpp_temp_token):  Replace cpp_token's line+col fields by src_loc.
10182         (_cpp_get_fresh_line):  Don't need to adjust line for missing newline.
10183         (_cpp_lex_direct):  Use linemap_position_for_column.
10184         * c-ppoutput.c (maybe_print_line, print_line):  Don't take map
10185         parameter.  Instead get it from the line_table global.  Adjust callers.
10186         (print):  Remove map field.  Replace line field to src_line.
10187         (init_pp_output, account_for_newlines, maybe_print_line):  Adjust.
10188         (cb_line_change):  Use SOURCE_COLUMN.  Minor optimizations.
10189         (pp_file_change):  Use MAIN_FILE_P since we cannot checked print.map.
10190         Use LAST_SOURCE_LINE_LOCATION to "catch up" after #include.
10191         * cpptrad.c (copy_comment):  Rename variable.
10192         * c-lex.c (map):  Remove static variable, for same reason we removed
10193         cpp_reader's map field.
10194         (cb_line_change, cb_def_pragma, cb_define, cb_undef):  Hence we need
10195         to call linemap_lookup.
10196         (cb_line_change):  Token's line field replaced by src_loc.
10197         (fe_file_change):  Use MAINFILE_P and LAST_SOURCE_LINE macros.
10198         Don't save new_map.
10199
10200         * cpphash.h, cpperror.c, cpplib.h:  Some renames of fileline to
10201         source_location.
10202
10203 2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>
10204
10205         * config/rs6000/altivec.md (*movv4si_internal): At least one
10206         operand must be register_operand.
10207         (*movv8hi_internal1): Likewise.
10208         (*movv16qi_internal1): Likewise.
10209         (*movv4sf_internal1): Likewise.
10210
10211 2004-02-10  Aldy Hernandez  <aldyh@redhat.com>
10212
10213         * config/rs6000/spe.md ("*movv2si_internal"): Check for register
10214         operand.
10215         (movv4hi_internal): Same.
10216         (movv2sf_internal): Same.
10217         (movv1di_internal): Same.
10218
10219 2004-02-11  Thiemo Seufer  <seufer@csv.ica.uni-stuttgart.de>
10220
10221         * config/mips/mips.h (TARGET_OLDABI): Define. Use TARGET_NEWABI and
10222         TARGET_OLDABI consistently.
10223         * config/mips/mips.c (function_arg,mips_setup_incoming_varargs,
10224         mips_va_arg,override_options,compute_frame_size,
10225         mips_initial_elimination_offset,mips16_fp_args,build_mips16_call_stub
10226         ,mips_return_in_memory,mips_strict_argument_naming): Use TARGET_NEWABI
10227         and TARGET_OLDABI consistently.
10228         * config/mips/mips.md (exception_receiver): Likewise.
10229         * config/mips/linux64.h: Likewise.
10230
10231 2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>
10232
10233         * gcc/config/rs6000/rs6000.c (rs6000_override_options)
10234         Set AltiVec ABI and vrsave as default for ppc64 linux.
10235         (init_cumulative_args): Post error, if try to return
10236         value in AltiVec register without enable AltiVec.
10237         (function_arg_advance): Ditto for passing arguments.
10238
10239 2004-02-11  Richard Sandiford  <rsandifo@redhat.com>
10240
10241         * emit-rtl.c (mark_label_nuses): Check that a LABEL_REF refers to
10242         a label before updating its usage count.
10243
10244 2004-02-10  Matt Kraai  <kraai@alumni.cmu.edu>
10245
10246         * doc/install.texi: Remove extra cd.
10247
10248 2004-02-10  Ziemowit Laski  <zlaski@apple.com>
10249
10250         * c-common.c (vector_size_helper): Remove; call
10251         reconstruct_complex_type() instead.
10252         * tree.c (reconstruct_complex_type): New function
10253         (formerly vector_size_helper() in c-common.c).
10254         (make_vector): Make externally visible.
10255         * tree.h (reconstruct_complex_type, make_vector): Add prototypes.
10256
10257 2004-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10258
10259         * config/h8300/h8300-protos.h: Add a prototype for
10260         h8300_regs_ok_for_stm.
10261         * config/h8300/h8300.c (h8300_regs_ok_for_stm): New.
10262         * config/h8300/h8300.md (stm_h8300s_2_advanced,
10263         stm_h8300s_2_normal, stm_h8300s_2, stm_h8300s_3_advanced,
10264         stm_h8300s_3_normal, stm_h8300s_3, stm_h8300s_4_advanced,
10265         stm_h8300s_4_normal, stm_h8300s_4, ldm_h8300s_2_advanced,
10266         ldm_h8300s_2_normal, ldm_h8300s_2, ldm_h8300s_3_advanced,
10267         ldm_h8300s_3_normal, ldm_h8300s_3, ldm_h8300s_4_advanced,
10268         ldm_h8300s_4_normal, ldm_h8300s_4): Use
10269         h8300_regs_ok_for_stm().
10270
10271 2004-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10272
10273         PR c/14088
10274         * real.c (real_from_string): Look for 'X' as well as 'x' in
10275         hexfloat strings.
10276
10277 2004-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10278
10279         * config/h8300/h8300.md: Remove an incorrect comment about
10280         peephole2.  Add comments.
10281
10282 2004-02-10  Josef Zlomek  <zlomekj@suse.cz>
10283
10284         PR/14058
10285         * emit-rtl.c (set_decl_incoming_rtl): New.
10286         * tree.h (set_decl_incoming_rtl): New.
10287         * function.c (assign_parms): Use set_decl_incoming_rtl for setting
10288         DECL_INCOMING_RTL.
10289         * ada/misc.c (adjust_decl_rtl): Likewise.
10290
10291 2004-02-10  Per Bothner  <per@bothner.com>
10292
10293         * c-opts.c (c_common_post_options):   Don't emit working directory
10294         in cpp output if -P was specified.
10295
10296 2004-02-10  Paolo Bonzini  <bonzini@gnu.org>
10297
10298         PR c/14092
10299         * fold-const.c (fold) <NEGATE_EXPR>: Convert result of
10300         negate_expr back to the original type.
10301
10302 2004-02-10  Alan Modra  <amodra@bigpond.net.au>
10303
10304         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Don't
10305         bump retaddr here.
10306
10307 2004-02-10  Paolo Bonzini  <bonzini@gnu.org>
10308
10309         * rtl.h (schedule_insns, schedule_ebbs, fix_sched_param,
10310         gen_lowpart_SUBREG): Move under the file in which they
10311         are actually declared.
10312
10313 2004-02-10  Arnaud Charlet  <charlet@act-europe.fr>
10314
10315         * doc/sourcebuild.texi: Add libada documentation.
10316
10317         * doc/install.texi: Update documentation on Ada build, now
10318         that the GNAT lib and tools are built automatically.
10319
10320 2004-02-10  Richard Sandiford  <rsandifo@redhat.com>
10321
10322         * config/mips/mips.h (TARGET_GPWORD): Return false for TARGET_NEWABI
10323         && TARGET_IRIX.
10324
10325 2004-02-09  Ziemowit Laski  <zlaski@apple.com>
10326
10327         * objc/objc-act.c (get_super_receiver): Move '#ifdef OBJCPLUS'
10328         boundaries outside build_component_ref() call (a macro in ObjC++).
10329
10330 2004-02-09  Bob Wilson  <bob.wilson@acm.org>
10331
10332         * config/xtensa/xtensa-protos.h (xtensa_copy_incoming_a7): Update.
10333         (init_cumulative_args): Likewise.
10334         (a7_overlap_mentioned_p): Delete prototype.
10335         * config/xtensa/xtensa.c (struct machine_function): Replace
10336         incoming_a7_copied field with need_a7_copy and vararg_a7 flags.
10337         Add set_frame_ptr_insn field.
10338         (xtensa_emit_move_sequence): Update call to xtensa_copy_incoming_a7.
10339         (xtensa_copy_incoming_a7): Rewrite to check need_a7_copy flag and check
10340         if the operand is an argument in a7.  If so, copy a7 to a new pseudo
10341         at the function entry and replace the operand with the pseudo.
10342         (init_cumulative_args): Remove unused arguments.  Add new "incoming"
10343         argument and record this flag in CUMULATIVE_ARGS.
10344         (function_arg): Remove result_mode and special-case code to handle
10345         arguments in a7.  Instead, set need_a7_copy flag when there is an
10346         incoming argument in a7.
10347         (xtensa_expand_prologue): Remove code to search for set_frame_ptr insn
10348         and use the value recorded in cfun->machine->set_frame_ptr_insn.
10349         (xtensa_builtin_saveregs): Check for negative gp_left value.  Set
10350         need_a7_copy and vararg_a7 flags.  Use move_block_from_reg instead of
10351         special-case code.
10352         (a7_overlap_mentioned_p): Delete.
10353         * config/xtensa/xtensa.h (CUMULATIVE_ARGS): Add "incoming" flag.
10354         (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Remove useless
10355         arguments to init_cumulative_args and pass "incoming" flag instead.
10356         (BLOCK_REG_PADDING): Delete.
10357         * config/xtensa/xtensa.md (movdi, movsf, movdf): Remove unnecessary
10358         checks for reload_in_progress and reload_completed.  Update calls to
10359         xtensa_copy_incoming_a7.
10360         (ashlsi3): Rename existing insn to ashlsi3_internal.  Add expander
10361         to call xtensa_copy_incoming_a7.
10362
10363 2004-02-09  DJ Delorie  <dj@redhat.com>
10364
10365         * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): No
10366         longer modify standard_exec_prefix, standard_bindir_prefix, or
10367         standard_startfile_prefix.
10368
10369 2004-02-09  James E Wilson  <wilson@specifixinc.com>
10370
10371         PR c++/11295
10372         * c-common.c (c_expand_expr, case STMT_EXPR): Change expand_expr call
10373         to expand_expr_real call, and pass in alt_rtl as last argument.
10374
10375         PR libstdc++/5625
10376         * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New.
10377         * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER.
10378         * builtins.def (BUILT_IN_EXTEND_POINTER): New.
10379         * except.c (expand_builtin_extend_pointer): New.
10380         * except.h (expand_builtin_extend_pointer): Declare.
10381
10382 2004-02-09  David Edelsohn  <edelsohn@gnu.org>
10383
10384         * config/rs6000/rs6000.c (rs6000_emit_move): Remove splitting slow
10385         unaligned loads and stores.
10386
10387 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10388
10389         * config/mips/iris5.h (BSS_SECTION_ASM_OP): Define.
10390         * config/mips/iris6.h (BSS_SECTION_ASM_OP): Undef.
10391
10392         * config/mips/iris6.h (TARGET_ASM_NAMED_SECTION): Moved ...
10393         * config/mips/iris5.h: ... here.
10394         * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Remove.
10395
10396         * config/mips/iris6.h (EXTRA_SECTION_FUNCTIONS): Move ...
10397         * config/mips/iris5.h: ... here.
10398
10399 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10400
10401         * configure.ac: Remove default executable files before AC_PROG_CC.
10402         * configure: Regenerate.
10403
10404 2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>
10405
10406         PR target/13721
10407         * config/h8300/h8300.c (byte_reg): Call abort() if asked to
10408         print a operand other than a register.
10409
10410 2004-02-09  Roger Sayle  <roger@eyesopen.com>
10411
10412         * fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
10413         tree code rather than call fold_convert, which doesn't specify a
10414         default floating point to integer conversion.
10415
10416 2004-02-08  Bernardo Innocenti  <bernie@develer.com>
10417
10418         * config/m68k/m68k.c, config/m68k/m68k.md (SGS, SGS_CMP_ORDER): Remove
10419         code to support SGS assembler.  Reformat adjacent code where possible.
10420         * config/m68k/m68k.c (switch_table_difference_label_flag): Remove
10421         definition.
10422         * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Remove support
10423         for '%#'.
10424         * config/m68k/linux.h, config/m68k/m68k.c,
10425         * config/m68k/math-68881.h: Replace `%#' with `#' in inline asm
10426         macros and asm_printf() format strings.
10427         * config/m68k/m68kelf.h (ASM_OUTPUT_CASE_END): Remove macro definition.
10428         * config/m68k/linux.h: Update copyright.
10429         * config/m68k/linux.h, config/m68k/m68k.c: Remove traling whitespace.
10430
10431 2004-02-08  Andreas Schwab  <schwab@suse.de>
10432             Bernardo Innocenti  <bernie@develer.com>
10433
10434         * config/m68k/m68k.h (REGISTER_NAMES): Prefix each name with
10435         REGISTER_PREFIX.
10436         * (M68K_FP_REG_NAME): New macro to specify an alternate name for the
10437         frame pointer register, overridable by OS targets.
10438         * (M68K_REGNAME): Macro to obtain register name for asm output,
10439         eventually replacing %a6 with M68K_FP_REG_NAME.
10440         * config/m68k/coff.h (REGISTER_NAMES): Don't redefine.
10441         * config/m68k/linux.h (REGISTER_NAMES): Likewise.
10442         * config/m68k/m68kelf.h (REGISTER_NAMES): Likewise.
10443         * config/m68k/netbsd-elf.h (REGISTER_NAMES): Likewise.
10444         * config/m68k/m68k.c: Use M68K_REGNAME(x) in place of reg_names[x].
10445
10446 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
10447
10448         * target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
10449         hook_rtx_tree_int_null.
10450         * targhooks.c (default_struct_value_rtx): Remove.
10451         * targhooks.h: Remove the prototype for
10452         default_struct_value_rtx.
10453         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
10454         config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
10455         config/ip2k/ip2k.c, config/iq2000/iq2000.c,
10456         config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
10457         config/mn10300/mn10300.c, config/pdp11/pdp11.c,
10458         config/rs6000/rs6000.c, config/s390/s390.c,
10459         config/stormy16/stormy16.c, config/v850/v850.c,
10460         config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
10461         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.
10462
10463 2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10464
10465         * README.Portability: Change "ISO C89" to "ISO C90".
10466         * c-parse.in (primary, initelt): Likewise.
10467
10468 2004-02-08  Richard Sandiford  <rsandifo@redhat.com>
10469
10470         * real.c (encode_ibm_extended): Normalize the input value before
10471         converting it to a double.  Handle the case where a normal value
10472         rounds to infinity.
10473
10474 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
10475
10476         * c-objc-common.c (c_cannot_inline_tree_fn): Fix a typo in a
10477         warning.
10478         * cse.c (preferrable): Change to preferable. Update all of its
10479         callers.
10480         * genautomata.c (ainsn): Change
10481         first_ainsn_with_given_equialence_num to
10482         first_ainsn_with_given_equivalence_num.  Update all of its
10483         references.
10484
10485 2004-02-08  Jan Hubicka  <jh@suse.cz>
10486
10487         * schedule-ebb.c (schedule_ebbs): Do not allocate reg life data.
10488
10489 2004-02-07  David Edelsohn  <edelsohn@gnu.org>
10490
10491         * function.c (assign_parms): Fix formatting.
10492
10493 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10494
10495         * default.h (PROMOTE_PROTOTYPES): Remove.
10496         * system.h (PROMOTE_FUNCTION_RETURN, PROMOTE_PROTOTYPES,
10497         STRUCT_VALUE_REGNUM, SETUP_INCOMING_VARARGS,
10498         EXPAND_BUILTIN_SAVEREGS): Poison.
10499         * target-def.h (TARGET_PROMOTE_FUNCTION_RETURN): Define as
10500         hook_bool_tree_false.
10501         (TARGET_PROMOTE_PROTOTYPES): Likewise.
10502         * target.h: Replace SETUP_INCOMING_VARARGS with
10503         targetm.calls.setup_incoming_varargs().
10504         * targhooks.c (default_promote_function_return): Remove.
10505         (default_promote_prototypes): Likewise.
10506         (default_struct_value_rtx): Always abort().
10507         (default_expand_builtin_saveregs): Always print an error
10508         message.
10509         (default_setup_incoming_varargs): Do nothing.
10510         (default_pretend_outgoing_varargs_named): Don't depend on
10511         SETUP_INCOMING_VARARGS.
10512         * targhooks.h: Remove the prototype for
10513         default_promote_function_return and
10514         default_promote_prototypes.
10515
10516 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10517
10518         * system.h (SHARED_SECTION_ASM_OP): Poison.
10519         * varasm.c (data_section): Don't use SHARED_SECTION_ASM_OP.
10520         * doc/tm.texi (SHARED_SECTION_ASM_OP): Remove.
10521
10522 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
10523
10524         Bug 13856
10525         * c-decl.c (diagnose_mismatched_decls): Only give special
10526         treatment when olddecl is DECL_BUILT_IN, if C_DECL_INVISIBLE
10527         is also true.
10528         (merge_decls): Don't clear DECL_BUILT_IN_CLASS and
10529         DECL_FUNCTION_CODE when defining a built-in function.
10530         Don't update DECL_ESTIMATED_INSNS.
10531         * dwarf2out.c (dwarf2out_decl): Don't ignore built-in
10532         FUNCTION_DECLs.
10533         * tree.h: Delete DECL_ESTIMATED_INSNS.
10534         * tree-inline.c (struct inline_data): Delete inlined_insns field.
10535         (expand_call_inline, optimize_inline_calls): Don't update
10536         DECL_ESTIMATED_INSNS nor inlined_insns.
10537         * cgraphunit.c (cgraph_analyze_function): Don't update
10538         DECL_ESTIMATED_INSNS.
10539
10540 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
10541
10542         * c-common.c (shadow_warning): Delete.
10543         * c-common.h (free_parser_stacks, shadow_warning, sw_kind): Delete.
10544         * c-decl.c (warn_if_shadowing): Issue shadow warnings directly.
10545         * c-opts.c (c_common_parse_file): Don't call free_parser_stacks.
10546         * c-parse.in (free_parser_stacks): Delete.
10547
10548 2004-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
10549
10550         * Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
10551         config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
10552         Use the top level mkinstalldirs, not the one in the gcc subdir.
10553         * mkinstalldirs: Remove (from the gcc subdir).
10554
10555 2004-02-07  Roger Sayle  <roger@eyesopen.com>
10556
10557         PR middle-end/13696
10558         * fold-const.c (fold_convert): New function to provide type
10559         conversion to the middle-end without using convert.
10560         (negate_expr, associate_trees, size_diffop, omit_one_operand,
10561         operand_equal_for_comparison_p, pedantic_omit_one_operand,
10562         invert_truthvalue, optimize_bit_field_compare, range_binop,
10563         decode_field_reference, make_range, build_range_check, unextend,
10564         fold_truthop, extract_muldiv_1, fold_mathfn_compare,
10565         fold_binary_op_with_conditional_arg, fold_inf_compare,
10566         fold_single_bit_test, fold, multiple_of_p): Replace all calls to
10567         convert with calls to fold_convert.
10568
10569 2004-02-07  Jan Hubicka  <jh@suse.cz>
10570
10571         * genrecog.c (find_operand): add extra argument stop.
10572         (validate_pattern): Verify that mach_dup is duplicating operand
10573         defined lexically earlier.
10574
10575 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10576
10577         * config.gcc: Don't mention MAX_LONG_TYPE_SIZE.
10578         * system.h (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
10579         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Poison.
10580         * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
10581         config/ia64/ia64.h, config/ip2k/ip2k.h,
10582         config/iq2000/iq2000.h, config/mips/iris5.h,
10583         config/mips/mips.h, config/pa/pa-64.h, config/pa/pa.h,
10584         config/rs6000/aix51.h, config/rs6000/aix52.h,
10585         config/rs6000/darwin.h, config/rs6000/rs6000.h,
10586         config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h,
10587         config/sparc/linux.h, config/sparc/linux64.h,
10588         config/sparc/netbsd-elf.h, config/sparc/sparc.h,
10589         config/xtensa/xtensa.h: Remove the definitions of
10590         MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, and/or
10591         MAX_WCHAR_TYPE_SIZE.
10592         * doc/tm.texi (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
10593         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Remove.
10594
10595 2004-02-07  Stephane Carrez  <stcarrez@nerim.fr>
10596
10597         PR bootstrap/13990
10598         * config/m68hc11/m68hc11.md ("doloop_end"): Pass dummy arguments to
10599         gen_rtx_NE.
10600
10601 2004-02-07  Josef Zlomek  <zlomekj@suse.cz>
10602
10603         * var-tracking.c (vt_add_function_parameters): Surround checkings by
10604         #ifdef ENABLE_CHECKING and #endif.
10605
10606 2004-02-07  Roger Sayle  <roger@eyesopen.com>
10607
10608         * fold-const.c (negate_expr_p, negate_expr): Optimize -(A+B) into
10609         either (-A)-B or (-B)-A, if A or B is easily negated respectively.
10610         (fold) <MINUS_EXPR>: Optimize (A*C) - (B*C) -> (A-B)*C for both
10611         integer types and floating point with unsafe_math_optimizations.
10612         Add similar optimization for (A*C1) - (A*C2) -> A*(C1-C2).
10613         Optimize A - B as A + (-B), if B is easily negated.
10614
10615 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10616
10617         * c-ppoutput.c, cfganal.c, diagnostic.h, print-rtl.c,
10618         config/darwin.c, config/darwin.h, config/ia64/ia64-c.c,
10619         config/m32r/linux.h, config/rs6000/ppc64-fp.c,
10620         config/sparc/openbsd.h, doc/makefile.texi, doc/passes.texi:
10621         Update copyright.
10622
10623 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10624
10625         * c-ppoutput.c, var-tracking.c: Fix comment typos.
10626
10627 2004-02-06  James E Wilson  <wilson@specifixinc.com>
10628
10629         * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Only define for
10630         glibc 2.3 or better.
10631
10632 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10633
10634         * doc/tm.texi (TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL): Change
10635         to FLOAT_LIB_COMPARE_RETURNS_BOOL.
10636
10637 2004-02-07  Alan Modra  <amodra@bigpond.net.au>
10638
10639         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10640         (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
10641         (SHLIB_MKMAP_OPTS): Delete.
10642         (TARGET_LIBGCC2_CFLAGS): Add -specs.
10643         (bispecs): Add rule.
10644         * config/rs6000/libgcc-ppc64.ver: New file.
10645         * config/rs6000/ppc64-fp.c (__fixtfdi, __floatditf): New functions.
10646         (__floatdidf, __floatdisf): Optimize multiply.
10647         (__fixunstfdi): New function.
10648         * config/rs6000/rs6000.c (rs6000_complex_function_value): Allow for
10649         real and imag parts larger than one register.
10650         (function_arg): Correct type of reg used when fp arg split partially
10651         to stack.
10652         * config/rs6000/darwin-ldouble.c: Protect with #if !_SOFT_FLOAT
10653         and __MACH__ or __powerpc64__.
10654
10655 2004-02-06  Roger Sayle  <roger@eyesopen.com>
10656             Ulrich Weigand  <uweigand@de.ibm.com>
10657
10658         * builtins.c (expand_builtin_signbit): Use extract_bit_field instead
10659         of gen_highpart or gen_lowpart when the floating point format is
10660         wider than the result mode.
10661
10662 2004-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
10663
10664         * dwarf2out.c (loclabel_num): Move into #ifdef
10665         DWARF2_DEBUGGING_INFO.
10666
10667 2004-02-06  Ziemowit Laski  <zlaski@apple.com>
10668
10669         * objc/objc-act.c (build_super_template) the 'class' field of
10670         'struct _objc_super' shall be named 'super_class' #ifdef OBJCPLUS.
10671         (get_super_receiver): Likewise.
10672
10673 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10674
10675         * reload1.c (check_eliminable_occurrences): Optimize the reset
10676         of can_eliminate.
10677         (eliminate_regs_in_insn): Likewise.
10678
10679 2004-02-06  Daniel Berlin <dberlin@dberlin.org>
10680             Josef Zlomek  <zlomekj@suse.cz>
10681
10682         * dwarf2out.c (struct gcc_debug_hooks): Call dwarf2out_begin_function
10683         at the beginning of function, call dwarf2out_var_location for
10684         NOTE_INSN_VAR_LOCATION note.
10685         (struct var_loc_node, struct var_loc_list_def, loclabel_num,
10686         decl_loc_table): New.
10687         (lookup_decl_loc): New function.
10688         (add_var_loc_to_decl): New function.
10689         (based_loc_descr): Added parameter can_use_fbreg, DW_OP_fbreg is used
10690         only if can_use_fbreg.
10691         (mem_loc_descriptor): Added parameter can_use_fbreg, pass it to other
10692         functions.
10693         (loc_descriptor): Likewise. Process VAR_LOCATION.
10694         (concat_loc_descriptor): Call loc_descriptor with can_use_fbreg == true.
10695         (loc_descriptor_from_tree): Call mem_loc_descriptor with
10696         can_use_fbreg == true.
10697         (add_location_or_const_value_attribute): Added parameter enum
10698         dwarf_attribute attr, generate attribute ATTR.  Create the location list.
10699         (add_bound_info): Call loc_descriptor with can_use_fbreg == true.
10700         (gen_formal_parameter_die): Call add_location_or_const_value_attribute
10701         with attr == DW_AT_location.
10702         (gen_subprogram_die): Generate the location list for DW_AT_frame_base
10703         if frame_base_decl is defined and has a location list.
10704         (gen_variable_die): Call add_location_or_const_value_attribute with
10705         attr == DW_AT_location.
10706         (dwarf2out_var_location): New function.
10707         (dwarf2out_begin_function): New function.
10708         (dwarf2out_init): Create decl_loc_table.
10709
10710 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
10711
10712         * loop.c (force_movables): Transitively increase the priorities of
10713         all insns forces by an insn, not just the first one.
10714
10715 2004-02-06  Josef Zlomek  <zlomekj@suse.cz>
10716             Daniel Berlin <dberlin@dberlin.org>
10717
10718         Josef Zlomek  <zlomekj@suse.cz>
10719         * Makefile.in (var-tracking.o): New.
10720         * common.opt (fvar-tracking): New.
10721         * flags.h (flag_var_tracking): New.
10722         * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
10723         * opts.c (common_handle_option): Add OPT_fvar_tracking.
10724         * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
10725         * rtl.c (note_insn_name): Likewise.
10726         * rtl.def (VAR_LOCATION): New.
10727         * rtl.h (NOTE_VAR_LOCATION): New.
10728         (NOTE_VAR_LOCATION_DECL): New.
10729         (NOTE_VAR_LOCATION_LOC): New.
10730         (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
10731         (variable_tracking_main): New exported function.
10732         * timevar.def (TV_VAR_TRACKING): New.
10733         * toplev.c (enum dump_file_index): Added DFI_vartrack.
10734         (dump_file): "vartrack" was added (-dV).
10735         (flag_var_tracking): New.
10736         (f_options): "var-tracking" was added.
10737         (rest_of_handle_variable_tracking): New function.
10738         (rest_of_compilation): Run variable tracking.
10739         (process_options): If user has not specified flag_var_tracking set it
10740         according to optimize, debug_info_level and debug_hooks.
10741         * tree.h (frame_base_decl): New.
10742         * var-tracking.c: New file.
10743         * config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
10744         (ia64_override_options): Set flags to run variable tracking in machine
10745         dependent reorg instead of toplev.c.
10746         (ia64_reorg): Run variable tracking if wanted.
10747         * doc/invoke.texi: Mention variable tracking in -dV,
10748         add and -fvar-tracking.
10749         * doc/passes.texi: Added variable tracking pass.
10750
10751         Daniel Berlin <dberlin@dberlin.org>
10752         * debug.h (struct gcc_debug_hooks): Added var_location debug hook.
10753         * dbxout.c (dbx_debug_hooks): Likewise.
10754         (xcoff_debug): Likewise.
10755         * debug.c (do_nothing_debug_hooks): Likewise.
10756         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
10757         * dwarfout.c (dwarf_debug_hooks): Likewise.
10758         * sdbout.c (sdb_debug_hooks): Likewise.
10759         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
10760         * final.c (final_scan_insn): Call var_location debug hook for each
10761         NOTE_INSN_VAR_LOCATION.
10762
10763 2004-02-06  Jan Hubicka  <jh@suse.cz>
10764
10765         * flow.c (update_life_info): Allocate reg_deaths when called from
10766         scheudler.
10767         (attempt_auto_inc):  Update life ranges accordingly.
10768
10769 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
10770
10771         PR debug/11816
10772         * dwarf2out.c (gen_decl_die): Handle anonymous struct members.
10773
10774 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
10775
10776         * cfganal.c (flow_call_edges_add): Never split a libcall block.
10777
10778 2004-02-06  Daniel Berlin  <dberlin@dberlin.org>
10779
10780         * dwarf2out.c (output_loc_list): Don't use deltas if we have
10781         a separate line info table in use.
10782         Use the correct size for terminators.
10783         (output_die): Use offset, not delta.
10784
10785 2004-02-06  H.J. Lu  <hongjiu.lu@intel.com>
10786
10787         * doc/invoke.texi: Remove the pni option from -mfpmath=.
10788
10789 2004-02-06  Jan Hubicka  <jh@suse.cz>
10790
10791         * recog.c (split_all_insns): Do not update reg info.
10792         * regrename.c (regrename_optimize): Likewise.
10793         * toplev.c (rest_of_handle_reorder_blocks): Likewise.
10794         * flow.c (struct propagate_block_info): Add insn_num field.
10795         (reg_deaths): New array.
10796         (life_analysis): Free reg_deaths info.
10797         (allocate_reg_life_data): Allocate reg_deaths array.
10798         (propagate_one_insn): Use new array.
10799         (init_propagate_block): Initialize it.
10800         (free_propagate_block_info): Finish compuation of
10801         REG_LIVE_LENGTH
10802         (attempt_auto_inc): Sanity check that REG_INFO is not
10803         computed at same time.
10804         (mark_used_regs): Update new array.
10805
10806         * reg-stack.c (subst_stack_regs): Unshare clobbers before
10807         substitution.
10808
10809 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10810
10811         * config/s390/s390.md (*extendsiqi2_short_displ): Change to
10812         *extendqisi2_short_displ.
10813
10814 2004-02-06  Alan Modra  <amodra@bigpond.net.au>
10815
10816         * doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
10817         * calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
10818         (emit_library_call_value_1): Likewise pass nargs.
10819         * expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
10820         * function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
10821         * config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
10822         parameter instead of scanning TYPE_ARGS_TYPES to count args.
10823         * config/rs6000/rs6000-protos.h (init_cumulative_args): Update
10824         prototype.
10825         * config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
10826         (INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
10827         (INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
10828         * config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
10829         INIT_CUMULATIVE_ARGS.
10830         * config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
10831         * config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
10832         config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
10833         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
10834         config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
10835         config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
10836         config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
10837         config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
10838         config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
10839         config/pa/pa.h, config/pdp11/pdp11.h, config/s390/s390.h,
10840         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
10841         config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.
10842
10843 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10844
10845         * genemit.c (gen_exp) [CONST_INT]: Use const_int_rtx whenever
10846         possible.
10847
10848 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10849
10850         * reload1.c (eliminate_regs_in_insn): If a set has a REG_EQUAL
10851         note containing (plus (reg) (const_int)), where reg is an
10852         eliminable reg, then perform the register elimination without
10853         depending on eliminate_regs().
10854
10855 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10856
10857         * config/arc/arc.c (arc_return_in_memory): Check the return
10858         value of int_size_in_bytes against -1.  Don't check
10859         TREE_ADDRESSABLE.
10860         * config/avr/avr.c (avr_return_in_memory): Check the return
10861         value of int_size_in_bytes against -1.
10862         * config/ip2k/ip2k.c (ip2k_return_in_memory): Likewise.
10863         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory):
10864         Likewise.
10865         * config/mcore/mcore.c (mcore_return_in_memory): Likewise.
10866         * config/stormy16/stormy16.c (xstormy16_return_in_memory):
10867         Likewise.
10868
10869 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10870
10871         * config/frv/frv-protos.h: Remove the prototype for
10872         frv_setup_incoming_varargs.
10873         * config/frv/frv.c (TARGET_SETUP_INCOMING_VARARGS): New.
10874         (frv_setup_incoming_varargs): Make it static.
10875         * config/frv/frv.h (SETUP_INCOMING_VARARGS): Remove.
10876
10877 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10878
10879         * config/fr30/fr30-protos.h: Remove the prototype for
10880         fr30_setup_incoming_varargs.
10881         Update the prototypes for fr30_num_arg_regs and
10882         fr30_function_arg_partial_nregs.
10883         * config/fr30/fr30.c (TARGET_STRUCT_VALUE_RTX): New.
10884         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
10885         (fr30_setup_incoming_varargs): Make it static.
10886         Add argument second_time.  Don't do anything when second_time
10887         is nonzero.
10888         (fr30_num_arg_regs): Change the type of the first argument to
10889         enum machine_mode.
10890         (fr30_function_arg_partial_nregs): Change the type of the
10891         second argument to enum machine_mode.
10892         * config/fr30/fr30.h (STRUCT_VALUE): Remove.
10893         (SETUP_INCOMING_VARARGS): Remove.
10894
10895 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
10896
10897         * config/arc/arc-protos.h: Remove the prototype for
10898         arc_setup_incoming_varargs.
10899         * config/arc/arc.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
10900         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
10901         (arc_setup_incoming_varargs): Make it static.
10902         (arc_external_libcall): Likewise.
10903         * config/arc/arc.h (SETUP_INCOMING_VARARGS): Remove.
10904         Remove the commented-out definition of
10905         ASM_OUTPUT_EXTERNAL_LIBCALL.
10906
10907 2004-02-05  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
10908
10909         * config/sh/t-linux (SHLIB_INSTALL): Prepend $$(DESTDIR)
10910         to $$(slibdir) in the installation commands.
10911
10912 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
10913
10914         * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs
10915         with inner_regno, not regno.
10916         * rtlanal.c (refers_to_regno_p): Same.
10917
10918 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
10919
10920         * config.gcc: Remove i370 support.
10921
10922 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
10923
10924         * doc/install.texi:  Update automake and autoconf version
10925         requirements.  Note where to find gcj automake version.
10926
10927 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
10928
10929         * Makefile.in (generate-manpages): Move dependencies to ...
10930         (man): here.
10931         * doc/makefile.texi: Document new targets.
10932         * doc/sourcebuild.texi (Make-lang.in): Document new langhooks.
10933
10934 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
10935
10936         PR/13485
10937         Makefile.in (srcextra):  Add a level of indirection to ...
10938         (gcc.srcextra): ... here.
10939         (po-generated): Delete.
10940         (po/$(PACKAGE).pot: Use srcextra instead of po-generated.  Depend on
10941         options.c.
10942         (start.encap): Remove superfluous lang.srcextra dependency.
10943         objc/Make-lang.in (po-generated):  Delete.
10944
10945 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
10946
10947         * config/ia64/ia64.c (REG_GP): Remove.
10948
10949 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10950
10951         * config/mips/iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
10952
10953 2004-02-05  Devang Patel  <dpatel@apple.com>
10954
10955         * dwarf2out.c (force_type_die): Look up input type itself
10956         instead of root_type() of type.
10957
10958 2004-02-05  Andreas Krebbel  <krebbel1@de.ibm.com>
10959
10960         * config/s390/s390.md ("*tmqidi_ext"): New insn.
10961         ("*extendqidi2_short_displ", "*extendsiqi2_short_displ"): Old
10962         pre-reload splitters are transformed to post-reload
10963         define_insn_and_split patterns.
10964         ("*tmqisi_ext"): Renamed old "*tmqi_ext".
10965
10966 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
10967
10968         * config/cris/cris.h: Replace PROMOTE_PROTOTYPES with
10969         TARGET_PROMOTE_PROTOTYPES.
10970
10971 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10972
10973         PR middle-end/13750
10974         Revert:
10975         2004-01-15  Geoffrey Keating  <geoffk@apple.com>
10976         PR pch/13361
10977         * c-typeck.c (constructor_asmspec): Delete.
10978         (struct initializer_stack): Delete field 'asmspec'.
10979         (start_init): Delete saving of asmspec.
10980         (finish_init): Don't update constructor_asmspec.
10981         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
10982         * stmt.c (expand_asm): Duplicate strings from tree.
10983         (expand_asm_operands): Likewise.
10984         * tree.c (tree_size): Update computation of size of STRING_CST.
10985         (make_node): Don't make STRING_CST nodes.
10986         (build_string): Allocate string with tree node.
10987         * tree.def (STRING_CST): Update comment.
10988         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
10989         (tree_string): Place contents of string in tree node.
10990         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
10991         from tree.
10992
10993 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10994
10995         * diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to
10996         msgid.
10997
10998 2004-02-05  Dorit Naishlos  <dorit@il.ibm.com>
10999
11000         * config/rs6000/altivec.md (*movv4si_internal): At least one
11001         operand must be altivec_register_operand.
11002         (*movv8hi_internal1): Likewise.
11003         (*movv16qi_internal1): Likewise.
11004         (*movv4sf_internal1): Likewise.
11005
11006 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
11007
11008         * configure.ac (gcc_cv_as_powerpc_mfcrf): Correct test for mfcr.
11009         * configure: Regenerate.
11010
11011 2004-02-05  Jonathan Wakely  <redi@gcc.gnu.org>
11012
11013         * doc/install.texi: Update description of --gxx-include-dir to
11014         give correct default value.
11015
11016 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
11017
11018         * config/h8300/h8300.h (REG_OK_FOR_BASE_NONSTRICT_P): Replace
11019         8 with MAC_REG.
11020
11021 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
11022
11023         * config/pa/pa.c (emit_hpdiv_const): Replace gen_rtx with
11024         gen_rtx_PARALLEL.
11025
11026 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
11027
11028         * emit-rtl.c: Update the comment about the file.
11029
11030 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11031
11032         * sourcebuild.texi (Test Idioms): Update testcase naming
11033         conventions.
11034
11035 2004-02-04  Per Bothner  <per@bothner.com>
11036
11037         Partially revert/redo 2003-10-01 change; fix -fworking-directory.
11038         * c-ppoutput.c (pp_dir_change):  New function.
11039         * c-common.h (pp_dir_change):  New declaration.
11040         * cpplib.h (struct cpp_options):  Remove working_directory field.
11041         * cppinit.c (cpp_find_main_file, cpp_push_main_file):  Merge back to
11042         (cpp_read_main_file):  as before 10-01.  Call _cpp_stack_file.
11043         Don't handle -fworking_directory here, but in c_common_post_options.
11044         (read_original_directory): Don't back up when done.
11045         Don't clear no-longer used working_directory flag.
11046         * cpplib.h:  Update declarations to match.
11047         * c-lex.c (cb_dir_change):  Move to c-opts.c.
11048         (init_c_lex):  Don't set dir_change callback here, since we want
11049         to set it even if flag_preprocess_only.
11050         * c-opts.c (cb_dir_change):  Function moved from c-lex.c.
11051         (c_common_post_options):  Set dir_change callback.
11052         Call pp_dir_change if approporiate.
11053         (finish_options):  Don't call cpp_find_main_file here.  Hence remove
11054         unneeded parameter and result. Do LC_RENAME for <built-in>.
11055         (c_common_post_options):  Call cpp_read_main_file here instead.
11056         (c_common_init):  Update accordingly.
11057         (push_command_line_include):  Don't cpp_push_main_file.
11058         Do LC_RENAME rather than LC_LEASE to get back to main file.
11059         Compared to pre-10-01 version, inline cpp_rename_to_main_file.
11060         (c_common_parse_file):  Call cpp_read_main_file for subsequent main
11061         files, but call finish_options for all files.
11062         * c-opts.c (sanitize_cpp_opts):  Don't set cpp_opts->working_directory.
11063         * fix-header.c (read_scan_file):  Call cpp_read_main_file instead of
11064         cpp_find_main_file + cpp_push_main_file.
11065         * c-lex.c (fe_file_change):  Don't set main_input_filename here.
11066         * opts.c (handle_options):  Only set main_input_filename first time.
11067
11068 2004-02-05  Ian Lance Taylor  <ian@wasabisystems.com>
11069
11070         * config/arm/arm.h (REG_CLASS_NAMES): Add missing comma.
11071
11072 2004-02-04  Geoffrey Keating  <geoffk@apple.com>
11073
11074         * reload.c (find_equiv_reg): When checking for register overlap,
11075         don't index hard_regno_nregs with a pseudo-reg.
11076
11077 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
11078
11079         * config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().
11080
11081 2004-02-04  David Edelsohn  <edelsohn@gnu.org>
11082
11083         * reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
11084         against FIRST_PSEUDO_REGISTER.
11085
11086 2004-02-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11087
11088         * Makefile.in: Move target, host overrides after per-language
11089         fragments.
11090
11091         * config/mips/t-iris5-as (FORCE_DEBUG_ADAFLAGS): Clear.
11092         (GNATLIBCFLAGS): Remove -g.
11093
11094 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11095
11096         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
11097         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
11098         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
11099         config/m32r/m32r.c, config/ns32k/ns32k.c, config/pa/pa.c,
11100         config/pdp11/pdp11.c, config/rs6000/rs6000.c,
11101         config/sparc/sparc.c, config/vax/vax.c: Revert the
11102         replacements of "FALLTHRU" with "Fall through" done in the
11103         previous patch.
11104
11105 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11106
11107         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
11108         config/arm/arm.c, config/arm/arm.md,
11109         config/cris/cris-protos.h, config/fr30/fr30.c,
11110         config/fr30/fr30.h, config/h8300/h8300.c, config/i386/i386.h,
11111         config/i860/i860.c, config/i860/i860.h, config/ia64/ia64-c.c,
11112         config/ia64/ia64.c, config/ia64/ia64.h, config/ip2k/ip2k.h,
11113         config/ip2k/ip2k.md, config/ip2k/libgcc.S,
11114         config/m32r/linux.h, config/m32r/m32r.c, config/m32r/m32r.h,
11115         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
11116         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.md,
11117         config/ns32k/netbsd.h, config/ns32k/ns32k.c,
11118         config/ns32k/ns32k.h, config/pdp11/pdp11.h,
11119         config/rs6000/darwin-ldouble.c, config/s390/s390.h,
11120         config/s390/s390.md, config/sparc/netbsd-elf.h,
11121         config/sparc/openbsd.h, config/sparc/sparc.c,
11122         config/xtensa/lib2funcs.S: Fix comment formatting.
11123
11124 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11125
11126         * config/alpha/alpha.c, config/arc/arc.c,
11127         config/arm/arm-cores.def, config/arm/arm.c, config/arm/arm.h,
11128         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
11129         config/arm/arm926ejs.md, config/arm/vfp.md, config/avr/avr.c,
11130         config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.md,
11131         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
11132         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
11133         config/iq2000/iq2000.c, config/m32r/m32r.c,
11134         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
11135         config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
11136         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
11137         config/rs6000/rs6000.h, config/sparc/sparc.c,
11138         config/vax/vax.c: Fix comment typos.  Follow spelling
11139         conventions.
11140
11141 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11142
11143         * alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
11144         caller-save.c, df.h, genconfig.c, global.c, lcm.c,
11145         ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
11146         sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
11147         config/arm/fpa.md, config/arm/iwmmxt.md,
11148         config/arm/netbsd-elf.h, config/arm/netbsd.h,
11149         config/m68hc11/m68hc11.md, config/mips/iris5.h,
11150         config/mn10300/mn10300.md, config/rs6000/altivec.md,
11151         config/sparc/netbsd-elf.h: Update copyright.
11152
11153 2004-02-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11154
11155         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
11156         for all modes whose size is greater than 8 bytes if ARCH32.
11157         (sparc_va_arg): Handle all modes whose size is greater than 8 bytes
11158         by reference if ARCH32.
11159
11160 2004-02-04  Aldy Hernandez  <aldyh@redhat.com>
11161
11162         * cgraphunit.c (cgraph_postorder): Fix typo in comment.
11163
11164 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
11165
11166         * config/s390/s390.md ("*la_64" + peepholes, "reload_indi"): Move
11167         to before adddi3 insn patterns.
11168         ("*la_31" + peepholes, "*la_31_and", "*la_31_and_cc", "force_la_31",
11169         "reload_insi"): Move to before addsi3 insn patterns.
11170
11171 2004-02-04  Mark Mitchell  <mark@codesourcery.com>
11172
11173         * calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
11174         parameter.  Use it instead of current_function_is_thunk.
11175         * function.h (struct function): Update documentation for is_thunk.
11176         * tree.h (CALL_FROM_THUNK_P): New macro.
11177         * config/alpha/alpha.c (alpha_sa_mask): Do not check
11178         no_new_pseudos when testing current_function_is_thunk.
11179         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.
11180
11181 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11182
11183         * doc/tm.texi: Replace SETUP_INCOMING_VARARGS with
11184         TARGET_SETUP_INCOMING_VARARGS.
11185
11186 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11187
11188         * emit-rtl.c (gen_rtx): Remove.
11189         * genattrtab.c: Don't mention gen_rtx in a comment.
11190         * rtl.h: Remove the prototype for gen_rtx.
11191         * doc/md.texi: Replace gen_rtx with gen_rtx_REG.
11192
11193 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11194
11195         * config/arc/arc.h, config/fr30/fr30.h
11196         (SETUP_INCOMING_VARARGS): Remove the target-independent
11197         comments.
11198         * doc/tm.texi: Don't mention deprecated target macros.
11199
11200 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11201
11202         * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
11203         target-independent comment.
11204
11205 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11206
11207         * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
11208         mention deprecated target macros.
11209
11210 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
11211
11212         * config.gcc: Remove obsolete ports and configurations.
11213         * config/linux-aout.h, config/netware.h,
11214         config/t-linux-gnulibc1, config/d30v/abi,
11215         config/d30v/d30v-protos.h, config/d30v/d30v.c,
11216         config/d30v/d30v.h, config/d30v/d30v.md,
11217         config/d30v/libgcc1.asm, config/d30v/t-d30v,
11218         config/dsp16xx/dsp16xx-modes.def,
11219         config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
11220         config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
11221         config/i370/README, config/i370/i370-c.c,
11222         config/i370/i370-protos.h, config/i370/i370.c,
11223         config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
11224         config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
11225         config/i386/freebsd-aout.h, config/i386/linux-aout.h,
11226         config/i386/moss.h, config/i386/netware.h,
11227         config/i386/svr3.ifile, config/i386/svr3dbx.h,
11228         config/i386/svr3gas.h, config/i386/svr3z.ifile,
11229         config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
11230         config/i960/i960-c.c, config/i960/i960-coff.h,
11231         config/i960/i960-modes.def, config/i960/i960-protos.h,
11232         config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
11233         config/i960/rtems.h, config/i960/t-960bare,
11234         config/m68k/hp310.h, config/m68k/hp320.h,
11235         config/m68k/hp320base.h, config/m68k/m68kv4.h,
11236         config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
11237         Remove.
11238         * doc/extend.texi, doc/install.texi, doc/invoke.texi,
11239         doc/md.texi: Remove mentions of obsolete ports.
11240
11241 2004-02-04  Jan Hubicka  <jh@suse.cz>
11242
11243         * alias.c (find_base_term, get_addr):  Do not dereference NULL
11244         pointer when all VALUE's locations has been invalidated.
11245         (rtx_equal_for_memref_p): Simplify checking of VALUEs.
11246
11247 2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org>
11248
11249         * doc/invoke.texi (x86 options): Fix spelling/wording.
11250
11251 2004-02-03  Richard Sandiford  <rsandifo@redhat.com>
11252
11253         * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
11254         put the original string in a comment.
11255         * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
11256         * config/mips/mips.c (mips_output_ascii): Likewise.
11257         * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.
11258
11259 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
11260
11261         * system.h (GIV_SORT_CRITERION): Poison.
11262         * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
11263         * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.
11264
11265 2004-02-03  Roger Sayle  <roger@eyesopen.com>
11266
11267         PR target/9348
11268         * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
11269         multiplies with a multiplication of the wrong signedness, its the
11270         signedness of the multiplication that we've performed that needs to
11271         be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
11272         if expand_mult_highpart_adjust places the result in target.
11273
11274 2004-02-03  Richard Henderson  <rth@redhat.com>
11275
11276         * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.
11277
11278 2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>
11279
11280         * config.gcc (sh[234]l): Use little endian fragments.
11281
11282 2004-02-03  Paul Koning  <pkoning@equallogic.com>
11283
11284         * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
11285         * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
11286         * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
11287         encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
11288         floating point format.
11289         (pdp11_f_format, pdp11_d_format): New real_format descriptors for
11290         the above functions.
11291         (output_move_quad): Output float values in correct target format.
11292         (legitimate_const_double_p): New function.
11293         * config/pdp11/pdp11.h: Fix typos.
11294         (FLOAT_WORDS_BIG_ENDIAN): Add definition.
11295         (TARGET_FLOAT_FORMAT): Ditto.
11296         (pdp11_f_format, pdp11_d_format): Add external declarations.
11297         (MAX_REGS_PER_ADDRESS): Corrected.
11298         (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
11299         (PRINT_OPERAND): Output float literals in target format.
11300
11301 2004-02-03  Mark Mitchell  <mark@codesourcery.com>
11302
11303         PR c++/13975
11304         * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
11305         TI_PRIVATE.
11306         (access_public_node): Redefine.
11307         (access_protected_node): Likewise.
11308         (access_private_node): Likewise.
11309         * tree.c (build_common_tree_nodes): Create access_public_node,
11310         access_protected_node, and access_private_node.
11311
11312 2004-02-03  Steve Ellcey  <sje@cup.hp.com>
11313
11314         * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
11315         (MASK_INLINE_INT_DIV_THR): Ditto.
11316         (MASK_INLINE_SQRT_LAT): Ditto.
11317         (MASK_INLINE_SQRT_THR): Ditto.
11318         (MASK_DWARF2_ASM): Ditto.
11319         (MASK_EARLY_STOP_BITS): Ditto.
11320
11321 2004-02-02  Paul Brook  <paul@codesourcery.com>
11322
11323         Merge from csl-arm-branch.
11324
11325         2004-01-30  Paul Brook  <paul@codesourcery.com>
11326
11327         * aof.h (REGISTER_NAMES): Add vfp reg names
11328         (ADDITIONAL_REGISTER_NAMES): Ditto.
11329         * aout.h (REGISTER_NAMES): Ditto.
11330         (ADDITIONAL_REGISTER_NAMES): Ditto.
11331         * arm-protos.h: Update/Add Prototypes.
11332         * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
11333         Only allow 0.0 for VFP.
11334         (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
11335         (values_fp): Rename from values_fpa.  Update Users.
11336         (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
11337         Update users.  Only check valid constants for this hardware.
11338         (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
11339         Only allow consts for FPA.
11340         (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
11341         Only allow consts for FPA.
11342         (use_return_insn): Check for saved VFP regs.
11343         (arm_legitimate_address_p): Handle VFP DFmode addressing.
11344         (arm_legitimize_address): Ditto.
11345         (arm_general_register_operand): New function.
11346         (vfp_mem_operand): New function.
11347         (vfp_compare_operand): New function.
11348         (vfp_secondary_reload_class): New function.
11349         (arm_float_compare_operand): New function.
11350         (vfp_print_multi): New function.
11351         (vfp_output_fstmx): New function.
11352         (vfp_emit_fstm): New function.
11353         (arm_output_epilogue): Output VPF reg restore code.
11354         (arm_expand_prologue): Output VFP reg save code.
11355         (arm_print_operand): Add 'P'.
11356         (arm_hard_regno_mode_ok): Return modes for VFP regs.
11357         (arm_regno_class): Return classes for VFP regs.
11358         (arm_compute_initial_elimination_offset): Include space for VFP regs.
11359         (arm_get_frame_size): Ditto.
11360         * arm.h (FIXED_REGISTERS): Add VFP regs.
11361         (CALL_USED_REGISTERS): Ditto.
11362         (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
11363         (FIRST_VFP_REGNUM): Define.
11364         (LAST_VFP_REGNUM): Define.
11365         (IS_VFP_REGNUM): Define.
11366         (FIRST_PSEUDO_REGISTER): Include VFP regs.
11367         (HARD_REGNO_NREGS): Handle VFP regs.
11368         (REG_ALLOC_ORDER): Add VFP regs.
11369         (enum reg_class): Add VFP_REGS.
11370         (REG_CLASS_NAMES): Ditto.
11371         (REG_CLASS_CONTENTS): Ditto.
11372         (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
11373         (REG_CLASS_FROM_LETTER): Add 'w'.
11374         (EXTRA_CONSTRAINT_ARM): Add 'U'.
11375         (EXTRA_MEMORY_CONSTRAINT): Define.
11376         (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
11377         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
11378         (REGISTER_MOVE_COST): Ditto.
11379         (PREDICATE_CODES): Add arm_general_register_operand,
11380         arm_float_compare_operand and vfp_compare_operand.
11381         * arm.md (various): Rename as above.
11382         (divsf3): Enable when TARGET_VFP.
11383         (divdf3): Ditto.
11384         (movdfcc): Ditto.
11385         (sqrtsf2): Ditto.
11386         (sqrtdf2): Ditto.
11387         (arm_movdi): Disable when TARGET_VFP.
11388         (arm_movsi_insn): Ditto.
11389         (movsi): Only split with general regs.
11390         (cmpsf): Use arm_float_compare_operand.
11391         (push_fp_multi): Restrict to TARGET_FPA.
11392         (vfp.md): Include.
11393         * vfp.md: New file.
11394         * fpa.md (various): Rename as above.
11395         * doc/md.texi: Document ARM w and U constraints.
11396
11397         2004-01-15  Paul Brook  <paul@codesourcery.com>
11398
11399         * config.gcc: Add with_fpu.  Allow with-float=softfp.
11400         * config/arm/arm.c (arm_override_options): Rename *-s to *s.
11401         Break out of loop when we find a float-abi.  Fix typo.
11402         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
11403         Set -mfloat-abi=.
11404         * doc/install.texi: Document --with-fpu.
11405
11406         2003-01-14  Paul Brook  <paul@codesourcery.com>
11407
11408         * config.gcc (with_arch): Add armv6.
11409         * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
11410         * config/arm/arm.c (arm_overrride_options): Ditto.
11411
11412         2004-01-08  Richard Earnshaw  <rearnsha@arm.com>
11413
11414         * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
11415         (FL_ARCH6): Renamed from FL_ARCH6J.
11416         (arm_arch3m): Renamed from arm_fast_multiply.
11417         (arm_arch6): Renamed from arm_arch6j.
11418         * arm.h: Update all uses of above.
11419         * arm-cores.def: Likewise.
11420         * arm.md: Likewise.
11421
11422         * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
11423         not arm6j.  Add entry for arch armv6.
11424
11425         2004-01-07  Richard Earnshaw  <rearnsha@arm.com>
11426
11427         * arm.c (arm_emit_extendsi): Delete.
11428         * arm-protos.h (arm_emit_extendsi): Delete.
11429         * arm.md (zero_extendhisi2): Also handle zero-extension of
11430         non-subregs.
11431         (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
11432         (thumb_zero_extendhisi2): Only match if not v6.
11433         (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
11434         (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
11435         (thumb_extendqisi2): Likewise.
11436         (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
11437         (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
11438         (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
11439         (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
11440         (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
11441         (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
11442         (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
11443         (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
11444         (arm_extendqisi2addsi): Likewise.
11445
11446         2003-12-31  Mark Mitchell  <mark@codesourcery.com>
11447
11448         Revert this change:
11449         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
11450         + REG addressing modes.
11451
11452         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
11453         + REG addressing modes.
11454
11455         2003-12-30  Mark Mitchell  <mark@codesourcery.com>
11456
11457         * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
11458         CONSTANT_P_RTX.
11459
11460         2003-30-12  Paul Brook  <paul@codesourcery.com>
11461
11462         * longlong.h: protect arm inlines with !defined (__thumb__)
11463
11464         2003-30-12  Paul Brook  <paul@codesourcery.com>
11465
11466         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.
11467
11468         2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>
11469
11470         * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
11471         change.
11472
11473         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
11474
11475         * builtins.c (expand_builtin_apply_args_1): Add pretend args size
11476         to the virtual incoming args pointer for downward stacks.
11477
11478         2003-12-29  Paul Brook  <paul@codesourcery.com>
11479
11480         * config/arm/arm-cores.def: Add cost function.
11481         * config/arm/arm.c (arm_*_rtx_costs): New functions.
11482         (arm_rtx_costs): Remove
11483         (struct processors): Add rtx_costs field.
11484         (all_cores, all_architectures): Ditto.
11485         (arm_override_options): Set targetm.rtx_costs.
11486         (thumb_rtx_costs): New function.
11487         (arm_rtx_costs_1): Remove cases handled elsewhere.
11488         * config/arm/arm.h (processor_type): Add COSTS parameter.
11489
11490         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
11491
11492         * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
11493         (arm926ejs.md): Include it.
11494         * config/arm/arm926ejs.md: New pipeline description.
11495
11496         2003-12-24  Paul Brook  <paul@codesourcery.com>
11497
11498         * config/arm/arm.c (arm_arch6j): New variable.
11499         (arm_override_options): Set it.
11500         (arm_emit_extendsi): New function.
11501         * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
11502         * config/arm/arm.h (arm_arch6j): Declare.
11503         * config/arm/arm.md: Add sign/zero extend insns.
11504
11505         2003-12-23  Paul Brook  <paul@codesourcery.com>
11506
11507         * config/arm/arm.c (all_architectures): Add armv6.
11508         * doc/invoke.texi: Document it.
11509
11510         2003-12-19  Paul Brook  <paul@codesourcery.com>
11511
11512         * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
11513         insn patterns to match.
11514         * config/arm/arm-generic.md: Ditto.
11515         * config/arm/cirrus.md: Ditto.
11516         * config/arm/fpa.md: Ditto.
11517         * config/amm/iwmmxt.md: Ditto.
11518         * config/arm/arm1026ejs.md: Ditto.
11519         * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
11520         for 11_loadb.
11521
11522         2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>
11523
11524         * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
11525         * config/arm/arm.c (arm_adjust_cost): Check shift cost for
11526         TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
11527         (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
11528         arm_no_early_mul_dep): Correctly deal with conditional execution,
11529         parallels and single shift operations.
11530         (arm_no_early_alu_shift_value_dep): Define.
11531         * arm.md (attr type): Replace 'normal' with 'alu',
11532         'alu_shift' and 'alu_shift_reg'.
11533         (attr core_cycles): Adjust.
11534         (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
11535         *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
11536         *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
11537         *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
11538         *arith_shiftsi_compare0_scratch, *sub_shiftsi,
11539         *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
11540         *if_shift_move, *if_move_shift, *if_shift_shift): Set type
11541         attribute appropriately.
11542         * config/arm/arm1026ejs.md (alu_op): Adjust.
11543         (alu_shift_op, alu_shift_reg_op): New.
11544         * config/arm/arm1136.md: Add better bypasses for early
11545         registers. Remove load[234] and store[234] bypasses.
11546         (11_alu_op): Adjust.
11547         (11_alu_shift_op, 11_alu_shift_reg_op): New.
11548
11549         2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>
11550
11551         * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
11552         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
11553         * config/arm/arm.c (arm_no_early_store_addr_dep,
11554         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
11555         * config/arm/arm1026ejs.md: Add load-store bypass.
11556         * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
11557         Add bypasses between instructions.
11558
11559         2003-12-10  Paul Brook  <paul@codesourcery.com>
11560
11561         * config/arm/arm.c (arm_fpu_model): New variable.
11562         (arm_fload_abi): New variable.
11563         (target_fpe_name): Rename from target_fp_name.
11564         (target_fpu_name): New variable.
11565         (arm_is_cirrus): Remove.
11566         (fpu_desc): New struct.
11567         (all_fpus): Define.
11568         (pf_model_for_fpu): Define.
11569         (all_loat_abis): Define.
11570         (arm_override_options): Set fp arch flags based on -mfpu=
11571         and -float-abi=.
11572         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
11573         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
11574         (*): Use new TARGET_* flags.
11575         * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
11576         (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
11577         (TARGET_SOFT_FLOAT): Ditto.
11578         (TARGET_SOFT_FLOAT_ABI): New.
11579         (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
11580         TARGET_HARD_FLOAT.
11581         (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
11582         (TARGET_OPTIONS): Add -mfpu=.
11583         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
11584         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
11585         (arm_pf_model): Define.
11586         (arm_float_abi_type): Define.
11587         (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
11588         * config/arm/arm.md: Use new TARGET_* flags.
11589         * config/arm/cirrus.md: Ditto.
11590         * config/arm/fpa.md: Ditto.
11591         * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
11592         * config/arm/semi.h (ASM_SPEC): Ditto.
11593         * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
11594         (FPUTYPE_DEFAULT): Set to VFP.
11595         * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.
11596
11597         2003-11-22  Phil Edwards  <phil@codesourcery.com>
11598
11599         PR target/12476
11600         * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
11601         'bx' instead of 'b' to avoid branch range restrictions.  Output
11602         the thunk immediately before the thunked-to function.
11603         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
11604         .thumb_func if a thunk is being generated.  Emit .code 16 along
11605         with .thumb_func if a thunk is not being generated.
11606
11607         2003-11-15  Nicolas Pitre <nico@cam.org>
11608
11609         * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
11610         arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
11611         * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
11612         (lshrdi3_iwmmxt): Renamed from lshrdi3.
11613         * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.
11614
11615         2003-11-12  Steve Woodford  <scw@wasabisystems.com>
11616             Ian Lance Taylor  <ian@wasabisystems.com>
11617
11618         * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
11619         code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).
11620
11621         2003-11-05  Phil Edwards  <phil@codesourcery.com>
11622
11623         * config/arm/arm.md (insn):  Add new V6 instruction names.
11624         (generic_sched):  New attr.
11625         * config/arm/arm-generic.md:  Use generic_sched here.
11626         * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
11627         stages of pipeline.  Adjust latency counts accordingly.
11628         * config/arm/arm1136jfs.md:  New file.
11629
11630         2003-10-28  Mark Mitchell  <mark@codesourcery.com>
11631
11632         * config/arm/arm.h (processor_type): New enumeration type.
11633         (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
11634         ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
11635         (CPP_CPU_ARCH_SPEC): Likewise.
11636         * config/arm/arm.c (arm_tune): New variable.
11637         (all_cores): Use cores.def.
11638         (all_architectures): Add representative processor.
11639         (arm_override_options): Restructure way in which tuning
11640         information is deduced.
11641         * arm.md: Update "insn" and "type" attributes throughout.
11642         (insn): New attribute.
11643         (type): Compute "mult" from "insn" attribute.  Add load2,
11644         load3, load4 alternatives.
11645         (arm automaton): Move to arm-generic.md.
11646         * config/arm/arm-cores.def: New file.
11647         * config/arm/arm-generic.md: Likewise.
11648         * config/arm/arm1026ejs.md: Likewise.
11649
11650 2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11651
11652         * doc/invoke.texi (SPARC options): Remove -mflat and
11653         all -mxxx (xxx:chip) options.
11654         * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
11655         * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
11656         * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
11657         * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
11658         * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
11659         * config/sparc/sparc.c: Likewise.
11660         (sparc_output_function_prologue): Remove TARGET_FLAT handling.
11661         (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
11662         (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
11663         (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
11664         (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
11665         (sparc_flat_must_save_register_p): Likewise.
11666         (sparc_flat_compute_frame_size): Likewise.
11667         (sparc_flat_save_restore): Likewise.
11668         (sparc_flat_function_prologue): Likewise.
11669         (sparc_flat_function_epilogue): Likewise.
11670         (sparc_flat_epilogue_delay_slots): Likewise.
11671         (sparc_flat_eligible_for_epilogue_delay): Likewise.
11672         (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
11673         * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
11674         (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
11675         (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
11676         (CONDITIONAL_REGISTER_USAGE): Likewise.
11677         (FRAME_POINTER_REQUIRED): Likewise.
11678         (INITIAL_ELIMINATION_OFFSET): Likewise.
11679         (BASE_RETURN_VALUE_REG): Likewise.
11680         (BASE_OUTGOING_VALUE_REG): Likewise.
11681         (BASE_PASSING_ARG_REG): Likewise.
11682         (BASE_INCOMING_ARG_REG): Likewise.
11683         (INCOMING_REGNO): Likewise.
11684         (OUTGOING_REGNO): Likewise.
11685         (LOCAL_REGNO): Likewise.
11686         (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
11687         (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
11688         (EPILOGUE_USES): Likewise.
11689         * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
11690         ("flat" attribute): Delete.
11691         (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
11692         handling.
11693         (call followed by jump define_peephole's): Delete.
11694         (exception_receiver): Likewise.
11695         (builtin_setjmp_receiver): Likewise.
11696         * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.
11697
11698 2004-02-03  Paolo Bonzini  <bonzini@gnu.org>
11699
11700         PR c/11658
11701         PR c/13994
11702         * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
11703         on langhooks.h.
11704         * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
11705         * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
11706         Include langhooks.h.  Replace c_common_truthvalue_conversion
11707         with the truthvalue_conversion language hook throughout.
11708         (expr_no_commas): Call default_conversion before save_expr
11709         for the first term of the production 'x ? : y'.
11710         * c-common.c (c_common_truthvalue_conversion): Remove
11711         obsolete block.  Invoke recursively the hook instead
11712         of this function.
11713         * c-convert.c (convert): handle ERROR_MARK_NODE.
11714         * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
11715         returned by the truthvalue_conversion language hook.
11716         * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
11717         c_objc_common_truthvalue_conversion.
11718         * c-objc-common.c (c_objc_common_truthvalue_conversion):
11719         New function.
11720         * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
11721         * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
11722         c_objc_common_truthvalue_conversion.
11723
11724 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
11725
11726         * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
11727         of gen_rtx.
11728         (LIBCALL_VALUE): Likewise.
11729         * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
11730         gen_rtx_CC0 instead of gen_rtx.
11731         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
11732         gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
11733         (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
11734         gen_rtx.
11735         (m68hc11_emit_logical): Likewise.
11736
11737 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
11738
11739         * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
11740         config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
11741         config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
11742         config/m32r/m32r.md, config/m68hc11/m68hc11.c,
11743         config/mips/mips.md, config/mmix/mmix.c,
11744         config/mn10300/mn10300.c, config/mn10300/mn10300.md,
11745         config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
11746         config/rs6000/altivec.md, config/s390/s390.c,
11747         config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
11748         config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
11749         Use const0_rtx instead of GEN_INT (0).  Do the same for other
11750         constants that are readily available.
11751
11752 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
11753
11754         * doloop.c, optabs.c, regmove.c, sched-deps.c,
11755         config/i386/i386.c, config/i386/i386.md: Use const0_rtx
11756         instead of GEN_INT (0).  Do the same for other constants that
11757         are readily available.
11758
11759 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
11760
11761         * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
11762         gen_rtx.
11763         * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
11764         instead of gen_rtx.
11765         * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
11766         gen_rtx.
11767         * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
11768         gen_rtx_ASHIFT instead of gen_rtx.
11769         (udivmodqi4): Likewise.
11770
11771 2004-02-02  Richard Henderson  <rth@redhat.com>
11772
11773         PR target/13789
11774         * expr.c (store_expr): Use force_operand before emit_move_insn.
11775
11776 2004-02-02  Jeff Law  <law@redhat.com>
11777             Roger Sayle  <roger@eyesopen.com>
11778
11779         * tree.c (commutative_tree_code, associative_tree_code): New
11780         functions.
11781         (iterative_hash_expr): Use commutative_tree_code.
11782         * tree.h (commutative_tree_code, associative_tree_code): Declare.
11783         * fold-const.c (operand_equal_p): Use commutative_tree_code
11784         rather than inlining the commutativity check.
11785         (fold): Likewise.
11786
11787 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11788
11789         * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
11790         * config/frv/frv-protos.h: Remove the prototype for
11791         frv_function_arg_keep_as_reference.
11792         * config/frv/frv.c (frv_function_arg_keep_as_reference):
11793         Remove.
11794         * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
11795         * config/stormy16/stormy16.h: Remove the commented-out
11796         definition of FUNCTION_ARG_KEEP_AS_REFERENCE.
11797
11798 2004-02-03  Alan Modra  <amodra@bigpond.net.au>
11799
11800         PR target/13914
11801         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
11802         for retaddr_column.
11803
11804 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11805
11806         * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
11807         gen_rtx.
11808
11809 2004-02-02  Eric Christopher  <echristo@redhat.com>
11810             Zack Weinberg  <zack@codesourcery.com>
11811
11812         * c-opts.c (c_common_handle_option): Add -finput-charset.
11813         * c.opt: Ditto.
11814         * cppcharset.c (one_iso88591_to_utf8): Remove.
11815         (convert_iso88591_utf8): Ditto.
11816         (conversion_tab): Remove 8859-1 converter.
11817         (_cpp_input_to_utf8): Remove.
11818         (_cpp_init_iconv_buffer): Ditto.
11819         (_cpp_close_iconv_buffer): Ditto.
11820         (_cpp_convert_input): New function.
11821         (_cpp_default_encoding): Ditto.
11822         * cpphash.h: Add/remove prototypes for above.
11823         * cppfiles.c (read_file_guts): Use _cpp_convert_input.
11824         * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
11825         for narrow execution and input character sets.
11826         * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
11827         * doc/cppopts.texi: Document -finput-charset.
11828
11829 2004-02-02  David Edelsohn  <edelsohn@gnu.org>
11830
11831         * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
11832         against FIRST_PSEUDO_REGISTER.
11833
11834 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
11835
11836         * doc/invoke.texi (SPARC options): Further improve.
11837
11838 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11839
11840         * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
11841         config/h8300/h8300.c, config/ip2k/ip2k.md,
11842         config/iq2000/iq2000.c, config/mips/mips.c,
11843         config/rs6000/rs6000.c, config/rs6000/rs6000.md,
11844         config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
11845         config/v850/v850.md: Fix indentation.
11846
11847 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
11848
11849         * config/sparc/sparc.c (function_arg_slotno): Align TImode
11850         arguments on a 16-byte boundary in the parameter array if ARCH64.
11851         Split handling of TFmode.
11852
11853 2004-02-02  Paolo Bonzini  <bonzini@gnu.org>
11854
11855         * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
11856         Don't test CONSTANT_P (x).
11857         (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
11858         ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
11859         Fix misindentation.
11860
11861 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
11862
11863         * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.
11864
11865 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11866
11867         * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
11868         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
11869         config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
11870         config/iq2000/iq2000.c, config/m32r/m32r.c,
11871         config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
11872         config/mn10300/mn10300.c, config/rs6000/rs6000.c,
11873         config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
11874         config/stormy16/stormy16.c, config/v850/v850.md,
11875         config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.
11876
11877 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
11878
11879         * config/mcore/mcore.c (block_move_sequence): Replace
11880         gen_rtx_CONST_INT with GEN_INT.
11881
11882 2004-02-02  Jan Hubicka  <jh@suse.cz>
11883
11884         * alias.c (record_set): Use hard_regno_nregs.
11885         * bt-load.c (find_btr_reference, note_btr_set): Likewise.
11886         * builtins.c (apply_args_size): Likewise.
11887         * caller-save.c (setup_save_areas, save_call_clobbered_regs,
11888         mark_set_regs, add_stored_regs, mark_referenced_regs,
11889         insert_restore, insert_save, insert_one_insn): Likewise.
11890         * cfgcleanup.c: Include regs.h
11891         (mark_effect, mentions_nonequal_regs): Likewise.
11892         * cfgrtl.c (mark_killed_regs): Likewise
11893         * combine.c (update_table_tick, record_value_for_reg,
11894         record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
11895         reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
11896         reg_bitfield_target_p, distribute_notes): Likewise.
11897         * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
11898         exp_equiv_p, cse_insn): Likewise.
11899         * cselib.c (cselib_lookup): Likewise.
11900         (cselib_invalidate_regno, cselib_record_set): Likewise.
11901         * df.c (df_ref_record): Likewise.
11902         * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
11903         Likewise.
11904         * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
11905         count_or_remove_death_notes_bb): Likewise.
11906         * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
11907         * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
11908         mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
11909         * integrate.c (mark_stores): Likewise.
11910         * jump.c (delete_prior_computation): Likewise.
11911         * lcm.c (reg_dies, reg_becomes_live): Likewise.
11912         * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
11913         * loop.c (LOOP_REGNO_NREGS): Likewise.
11914         * postreload.c (reload_combine, reload_combine_note_store,
11915         reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
11916         * ra-colorize.c (combine, color_usable_p, get_free_reg,
11917         calculate_dont_begin, calculate_dont_begin, colorize_one_web,
11918         try_recolor_web, insert_coalesced_conflicts, check_colors,
11919         break_precolored_alias): Likewise.
11920         * ra-debug.c: Include regs.h
11921         (ra_print_rtx_object): Likewise.
11922         * ra-rewrite (choose_spill_colors): Likewise.
11923         (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
11924         * ra.c (init_ra): Likewise.
11925         * recog.c (reg_fits_class_p, peep2_reg_dead_p,
11926         peep2_find_free_register): Likewise.
11927         * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
11928         * regclass.c (hard_regno_nregs): New array.
11929         (init_reg_modes_once): Initialize it.
11930         (choose_hard_reg_mode): Use it.
11931         (record_reg_classes): Likewise.
11932         * regmove.c (mark_flags_life_zones): Likewise.
11933         * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
11934         scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
11935         copy_value, maybe_mode_change, find_oldest_value_reg,
11936         copyprop_hardreg_forward_1):
11937         * regs.h (hard_regno_nregs): Declare.
11938         * realod.c (reload_inner_reg_of_subreg): Use it.
11939         (push_reload, combine_reloads, find_dummy_reload,
11940         hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
11941         refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
11942         reload_adjust_reg_for_mode): Likewise.
11943         * reload1.c (compute_use_by_pseudos, count_pseudo,
11944         count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
11945         spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
11946         clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
11947         allocate_reload_reg, choose_reload_regs, emit_reload_insns,
11948         delete_output_reload): Likewise.
11949         * resource.c (update_live_status, mark_referenced_resources,
11950         mark_set_resources, mark_target_live_regs): Likewise.
11951         * rtlanal.c:  Include regs.h
11952         (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
11953         dead_or_set_regno_p, find_regno_note, find_reg_fusage,
11954         subreg_regno_offset, subreg_offset_representable_p,
11955         hoist_test_store): Likewise.
11956         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
11957         * sched-rgn.c (check_live_1, update_live_1): Likewise.
11958         * stmt.c: Include regs.h
11959         (decl_conflicts_with_clobbers_p): Likewise.
11960         * varasm.c (make_decl_rtl): Likewise.
11961         * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.
11962
11963 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
11964
11965         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11966         config/arm/linux-gas.h, config/arm/netbsd-elf.h,
11967         config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
11968         config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
11969         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
11970         config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
11971         config/iq2000/iq2000.h, config/m32r/m32r.c,
11972         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
11973         config/m68hc11/m68hc11.md, config/m68k/m68k.md,
11974         config/mcore/mcore.c, config/mcore/mcore.h,
11975         config/mcore/mcore.md, config/mips/mips.c,
11976         config/ns32k/ns32k.h, config/ns32k/ns32k.md,
11977         config/rs6000/rs6000.c, config/s390/s390.c,
11978         config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
11979         config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
11980         "gen_rtx (FOO, " with "gen_rtx_FOO (".
11981
11982 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
11983
11984         * config/h8300/h8300.md (two peephole2's): New.
11985
11986 2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
11987
11988         * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
11989         (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
11990         (ASM_CPU_SPEC): Likewise
11991         * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
11992         (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.
11993
11994 2004-02-01  Roger Sayle  <roger@eyesopen.com>
11995
11996         * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
11997         isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
11998         (expand_builtin): Always call expand_builtin_pow.
11999
12000 2004-02-01  Roger Sayle  <roger@eyesopen.com>
12001
12002         * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
12003         BUILT_IN_SIGNBITL): New GCC builtins.
12004         * builtins.c (expand_builtin_signbit): New function to RTL expand
12005         calls to signbit, signbitf and signbitl as inline intrinsics.
12006         (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
12007         (fold_builtin_signbit): New function to perform constant folding
12008         of signbit, signbitf and signbitl.
12009         (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.
12010
12011         * doc/extend.texi: Document new signbit{,f,l} builtins.
12012
12013 2004-02-01  Richard Sandiford  <rsandifo@redhat.com>
12014
12015         * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.
12016
12017 2004-02-01  Chris Demetriou  <cgd@broadcom.com>
12018
12019         * config/mips/mips.h (PREDICATE_CODES): Remove entries for
12020         "mips_const_double_ok" and "simple_memory_operand", which were
12021         removed from the MIPS port with the mips-3_4-rewrite branch merge.
12022         * config/mips/mips.c (mips16_lay_out_constants): Update comment
12023         for removal of simple_memory_operand.
12024
12025 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12026
12027         * config/c4x/c4x.md: Use GEN_INT instead of
12028         gen_rtx (CONST_INT, ...).
12029
12030 2004-01-31  Richard Henderson  <rth@redhat.com>
12031
12032         * varasm.c (output_constant_pool): Don't zap the pool.
12033
12034 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12035
12036         * genrecog.c (decision_type): Add DT_const_int.
12037         (write_cond) [DT_const_int]: Print a comparison against small
12038         constant.
12039         (write_node): Simplify comparisons against small constants
12040         before printing tests.
12041
12042 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12043
12044         * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
12045         instead of gen_rtx_CONST_INT.
12046
12047 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12048
12049         * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
12050         instead of gen_rtx_CONST_INT.
12051
12052 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12053
12054         * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
12055         hook_bool_CUMULATIVE_ARGS_false.
12056         * targhooks.c (default_strict_argument_naming): Rename to
12057         hook_bool_CUMULATIVE_ARGS_false.
12058         * targhooks.h: Update the prototype for
12059         default_strict_argument_naming.
12060
12061 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12062
12063         * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
12064         * config/sh/sh.h: Likewise.
12065         * config/sh/sh.md: Likewise.
12066
12067 2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
12068
12069         * doc/invoke.texi (SPARC options): Restructure and update.
12070
12071 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12072
12073         * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
12074         STRICT_ARGUMENT_NAMING): Poison.
12075         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
12076         hook_bool_tree_false.
12077         * targhooks.c (default_promote_function_args): Remove.
12078         (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
12079         Don't check incoming.
12080         (default_strict_argument_naming): Don't use
12081         STRICT_ARGUMENT_NAMING.
12082         * targhooks.h: Remove the prototype for
12083         default_promote_function_args.
12084
12085 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12086
12087         * config/i386/i386-protos.h: Remove the prototype for
12088         ix86_setup_incoming_varargs.
12089         * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
12090         (ix86_setup_incoming_varargs): Make it static.
12091         * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.
12092
12093 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12094
12095         * alloc-pool.c: Fix comment typos.
12096         * builtin-types.def: Likewise.
12097         * builtins.def: Likewise.
12098         * c-pretty-print.c: Likewise.
12099         * df.h: Likewise.
12100         * reload1.c: Likewise.
12101
12102 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12103
12104         * doc/invoke.texi: Follow spelling conventions.
12105         * doc/tm.texi: Likewise.
12106
12107 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12108
12109         * doc/install.texi: Fix typos.
12110         * doc/invoke.texi: Likewise.
12111
12112 2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>
12113
12114         * config/s390/s390.c (s390_decompose_address): Do not treat virtual
12115         registers as pointers.
12116         * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.
12117
12118 2004-01-31  Paolo Bonzini  <bonzini@gnu.org>
12119
12120         * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
12121         and restore it to gen_lowpart_general on exit.
12122         (gen_lowpart_for_combine): Adjust all callers to go through
12123         gen_lowpart.
12124         * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
12125         and restore it to gen_lowpart_general on exit.
12126         (gen_lowpart_if_possible): Adjust all callers to go through
12127         gen_lowpart.
12128         * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
12129         (gen_lowpart): Declare as pointer to function, initialized to
12130         gen_lowpart_general.
12131         * rtl.h (gen_lowpart): Declare as pointer to function.
12132
12133 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12134
12135         * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
12136         * calls.c: Likewise.
12137         * emit-rtl.c: Likewise.
12138         * function.c: Likewise.
12139         * reload1.c: Likewise.
12140         * config/i386/cygming.h: Likewise.
12141         * config/i386/i386.c: Likewise.
12142         * config/i386/winnt.c: Likewise.
12143
12144 2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>
12145
12146         PR bootstrap/9249
12147         * doc/install.texi: document --enable-__cxa_atexit option.
12148         * configure.ac: Disable __cxa_atexit if not supported.
12149         * configure: Regenerate.
12150
12151 2003-01-30  Daniel Berlin  <dberlin@dberlin.org>
12152
12153         * ggc-zone.c (ggc_free): New function.
12154
12155 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12156
12157         alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
12158         cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
12159         flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
12160         ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
12161         tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
12162         config/alpha/alpha.c, config/alpha/alpha.h,
12163         config/alpha/alpha.md, config/alpha/unicosmk.h,
12164         config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
12165         config/c4x/c4x-protos.h, config/c4x/c4x.md,
12166         config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
12167         config/frv/frvend.c, config/i386/cygming.h,
12168         config/i386/djgpp.h, config/i386/emmintrin.h,
12169         config/i386/gthr-win32.c, config/i386/i386-interix.h,
12170         config/i386/i386-protos.h, config/i386/openbsd.h,
12171         config/i386/winnt.c, config/i386/xm-mingw32.h,
12172         config/i386/xmmintrin.h, config/ia64/ia64.md,
12173         config/iq2000/iq2000.md, config/m32r/m32r.md,
12174         config/m68k/m68k.md, config/mcore/mcore-elf.h,
12175         config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
12176         config/mips/iris5gas.h, config/mips/iris6.h,
12177         config/mips/iris6gas.h, config/mips/linux.h,
12178         config/mips/mips.md, config/mips/netbsd.h,
12179         config/mips/openbsd.h, config/mips/windiss.h,
12180         config/pa/fptr.c, config/rs6000/aix.h,
12181         config/rs6000/altivec.h, config/rs6000/darwin.h,
12182         config/rs6000/xcoff.h, config/s390/s390-protos.h,
12183         config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
12184         config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
12185         config/sparc/sol2.h: Update copyright.
12186
12187 2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>
12188
12189         * Makefile.in (abs_docdir, abs_srcdir): Define.
12190         (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).
12191
12192 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12193
12194         * genconfig.c (main): Have CC0_P check its operand even on a
12195         target without cc0.
12196
12197 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12198
12199         * config/alpha/alpha.c: Remove mentions of deprecates macros
12200         in comments, remove some target-independent comments about target
12201         macros, and/or add minimal function comments for target hook
12202         implementations.
12203         * config/avr/avr.c: Likewise.
12204         * config/ia64/ia64.h: Likewise.
12205         * config/ip2k/ip2k.c: Likewise.
12206         * config/iq2000/iq2000.c: Likewise.
12207         * config/m32r/m32r.h: Likewise.
12208         * config/m68hc11/m68hc11.c: Likewise.
12209         * config/mcore/mcore.c: Likewise.
12210         * config/mmix/mmix.c: Likewise.
12211         * config/mn10300/mn10300.c: Likewise.
12212         * config/pa/pa.c: Likewise.
12213         * config/pdp11/pdp11.c: Likewise.
12214         * config/rs6000/rs6000.h: Likewise.
12215         * config/sh/sh.c: Likewise.
12216         * config/sh/sh.h: Likewise.
12217         * config/sparc/sparc.c: Likewise.
12218         * config/sparc/sparc.h: Likewise.
12219         * config/stormy16/stormy16.c: Likewise.
12220         * config/xtensa/xtensa.c: Likewise.
12221
12222 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
12223
12224         PR optimization/12147
12225         * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
12226         RELOAD_FOR_OPADDR_ADDR.
12227         (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
12228         might be reused as RELOAD_FOR_OPADDR_ADDR register.
12229
12230 2004-01-30  Jan Hubicka  <jh@suse.cz>
12231
12232         * reload.c (get_secondary_mem): Fix updating of
12233         secondary_memlocs_elim_used.
12234
12235 2004-01-30  Richard Henderson  <rth@redhat.com>
12236
12237         * varasm.c (struct rtx_const, struct pool_constant): Remove.
12238         (MAX_RTX_HASH_TABLE): Remove.
12239         (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
12240         (first_pool, last_pool, pool_offset): Remove.
12241         (struct rtx_constant_pool): Split out from ...
12242         (struct varasm_status): ... here.  Reference one via pointer.
12243         (struct constant_descriptor_rtx): Merge struct pool_constant.
12244         (SYMHASH): Remove.
12245         (decode_rtx_const): Remove.
12246         (const_hash_rtx, compare_constant_rtx): Remove.
12247         (record_constant_rtx): Remove.
12248         (const_desc_rtx_hash, const_desc_rtx_eq): New.
12249         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
12250         (const_rtx_hash_1, const_rtx_hash): New.
12251         (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
12252         (simplify_subtraction): Use simplify_rtx.
12253         (force_const_mem): Rewrite to use new data structures.
12254         (find_pool_constant): Likewise.
12255         (get_pool_constant, get_pool_constant_mark,
12256         get_pool_constant_for_function, get_pool_mode,
12257         get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
12258         (output_constant_pool_2): Split out from output_constant_pool.
12259         (output_constant_pool_1): Likewise.  Use new pool datastructures.
12260         (output_constant_pool): Zap entire pool datastructure.
12261         (mark_constant): Use new pool datastructures.
12262         (mark_constants): Use for_each_rtx.
12263         (mark_constant_pool): Use new pool datastructures.
12264
12265 2004-01-30  Fariborz Jahanian <fjahanian@apple.com>
12266
12267         * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
12268         Copy operands[1] to pseudo for simplify_gen_subreg.
12269
12270 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12271
12272         * gcse.c (bypass_block): Fix a typo in the previous check-in
12273         to the file.
12274
12275 2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>
12276
12277         * toplev.c: Include alloc-pool.h.
12278         * Makefile.in (toplev.c): Update dependencies.
12279
12280 2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12281
12282         * combine.c (simplify_shift_const, case XOR): Be careful when
12283         commuting XOR with ASHIFTRT.
12284
12285 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12286             Eric Botcazou  <ebotcazou@libertysurf.fr>
12287
12288         * config/sparc/sparc-protos.h: Remove the prototype for
12289         sparc_builtin_saveregs.
12290         * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
12291         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
12292         (TARGET_PROMOTE_PROTOTYPES): Likewise.
12293         (TARGET_STRUCT_VALUE_RTX): Likewise.
12294         (TARGET_RETURN_IN_MEMORY): Likewise.
12295         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
12296         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
12297         (sparc_builtin_saveregs): Make it static.
12298         (sparc_promote_prototypes): New.
12299         (sparc_struct_value_rtx): Likewise.
12300         (sparc_return_in_memory): Likewise.
12301         * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
12302         (PROMOTE_FUNCTION_RETURN): Likewise.
12303         (RETURN_IN_MEMORY): Likewise.
12304         (STRUCT_VALUE): Likewise.
12305         (STRUCT_VALUE_INCOMING): Likewise.
12306         (EXPAND_BUILTIN_SAVEREGS): Likewise.
12307         (STRICT_ARGUMENT_NAMING): Likewise.
12308         (PROMOTE_PROTOTYPES): Likewise.
12309
12310         * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.
12311
12312 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
12313
12314         PR c/12818
12315         * varasm.c (const_hash_1) <STRING_CST>: Use the
12316         address to compute the hash value if flag_writable_strings.
12317         (compare_constant) <STRING_CST>: Compare the addresses
12318         if flag_writable_strings.
12319         (build_constant_desc): Do not copy the expression for a
12320         STRING_CST if flag_writable_strings.
12321
12322 2004-01-30  Jan Hubicka  <jh@suse.cz>
12323
12324         * alloc-pool.c: Include hashtab.h
12325         (alloc_pool_descriptor): New structure
12326         (alloc_pool_hash): New global variable.
12327         (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
12328         (create_alloc_pool): Update statistics.
12329         (free_alloc_pool): Likewise.
12330         (pool_alloc): Likewise.
12331         (output_info): New structure
12332         (print_statistics, dump_alloc_pool_statistics): New function.
12333         * alloc-pool.h (alloc_pool_def): Turn name to be constant.
12334         (dump_alloc_pool_statistics): Declare.
12335         * toplev.c (finalize):  Dump statistics.
12336
12337         * reload.c (secondary_memlocs_elim_used): New static variable.
12338         (get_secondary_mem): Update it.
12339         (find_reloads): Use it.
12340
12341 2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>
12342
12343         * toplev.c: Fix broken checkin of 2003-12-30, again.
12344
12345 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
12346
12347         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
12348         s390*-*-* targets by specifying a 'nop' insn.
12349         * configure: Regenerate.
12350
12351 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
12352
12353         PR target/11475
12354         * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.
12355
12356 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
12357
12358         * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
12359         of addr when creating MEM copy.
12360
12361 2004-01-29  Devang Patel  <dpatel@apple.com>
12362
12363         * dwarf2out.c (gen_field_die): Do not equate decl number to die.
12364
12365 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
12366
12367         PR inline-asm/6162
12368         * reload.c (find_reloads): Only support one pair of commutative
12369         operands.
12370
12371 2004-01-29  Roger Sayle  <roger@eyesopen.com>
12372
12373         PR java/13824
12374         * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
12375         as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
12376         recursion.
12377
12378 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12379
12380         * config/frv/frv.c: Don't mention deprecated macros in
12381         comments.  Remove some target-independent comments about
12382         target macros.
12383         * config/frv/frv.h: Likewise.
12384
12385 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12386
12387         * cfghooks.c (split_block): Set probability and count of the
12388         new edge.
12389
12390 2005-01-29  Josef Zlomek  <zlomekj@suse.cz>
12391
12392         * dwarf2out.c (struct die_struct): Added field decl_id.
12393         (decl_die_table): Changed to hash table.
12394         (decl_die_table_allocated): Deleted.
12395         (decl_die_table_in_use): Deleted.
12396         (DECL_DIE_TABLE_INCREMENT): Deleted.
12397         (decl_die_table_hash): New function.
12398         (decl_die_table_eq): New function.
12399         (lookup_decl_die): Lookup in a hash table.
12400         (equate_decl_number_to_die): Insert into a hash table.
12401         (dwarf2out_init): Init hash table decl_die_table.
12402
12403 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
12404
12405         PR optimization/13424
12406         * expr.c (store_constructor): Revert 2003-12-03 change.
12407
12408         * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
12409         expected before returning early.  Avoid sharing RTL if they
12410         need to be changed.
12411
12412         * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
12413         handling so that memory attributes are preserved.  Don't call
12414         ix86_set_move_mem_attrs.
12415         (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
12416         (ix86_expand_clrstr): Rename src argument to
12417         dst.  Rework rep_stos and strset handling so that memory attributes
12418         are preserved.
12419         (ix86_expand_strlen): Pass src argument to
12420         ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
12421         memory attributes are preserved.
12422         (ix86_expand_strlensi_unroll_1): Add src argument.  Use
12423         change_address instead of gen_rtx_MEM.
12424         * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
12425         expanders.
12426         (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
12427         strmovqi, strmovqi_rex64): Remove.
12428         (rep_mov*, strmov*): Prefix insn names with *.
12429         (strset, strset_singleop, rep_stos): New expanders.
12430         (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
12431         strsetqi, strsetqi_rex64): Remove.
12432         (rep_stos*, strset*): Prefix insn names with *.
12433         (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
12434         to SImode.
12435         (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
12436         are preserved.
12437         (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
12438         Prefix insn names with *.
12439         (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
12440         (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
12441         (strlenqi_1): New expander.
12442         * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.
12443
12444 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12445
12446         * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
12447         * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
12448         verify_flow_info): Declaration removed.
12449         * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
12450         (debug_bb, debug_bb_n): Add argument to dump_bb call.
12451         * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
12452         try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
12453         instead of delete_block.
12454         * cfghooks.c: Include timevar.h and toplev.h.
12455         (cfg_hooks): Define here.
12456         (verify_flow_info, dump_bb): Moved from cfg.c.
12457         (redirect_edge_and_branch, redirect_edge_and_branch_force,
12458         split_block, split_block_after_labels, move_block_after,
12459         delete_basic_block, split_edge, create_basic_block,
12460         create_empty_bb, can_merge_blocks_p, merge_blocks,
12461         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
12462         New functions.
12463         * cfghooks.h (struct cfg_hooks): Added fields name,
12464         make_forwarder_block, tidy_fallthru_edge and
12465         move_block_after. Changed type of verify_flow_info, dump_bb,
12466         split_block fields. Renamed cfgh_split_edge and delete_block
12467         fields.
12468         (redirect_edge_and_branch, redirect_edge_and_branch_force,
12469         split_block, delete_block, split_edge, create_basic_block,
12470         can_merge_blocks_p, merge_blocks): Macros removed.
12471         (cfg_hooks): Do not export.
12472         (verify_flow_info, dump_bb, redirect_edge_and_branch,
12473         redirect_edge_and_branch_force, split_block, split_block_after_labels,
12474         move_block_after, delete_basic_block, split_edge, create_basic_block,
12475         create_empty_bb, can_merge_blocks_p, merge_blocks,
12476         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
12477         Declare.
12478         (cfg_layout_rtl_cfg_hooks): Declare.
12479         * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
12480         New functions.
12481         (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
12482         (redirect_edge_with_latch_update): Removed.
12483         (make_forwarder_block): Moved to cfghooks.c, semantics changed.
12484         * cfgloopmanip.c (remove_bbs): Do not update dominators here.
12485         * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
12486         rtl_delete_block, rtl_split_block, rtl_merge_blocks,
12487         tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
12488         cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
12489         cfghooks.c.
12490         (rtl_create_basic_block): Coding style fix.
12491         (rtl_tidy_fallthru_edge, rtl_move_block_after,
12492         rtl_make_forwarder_block): New functions.
12493         (update_cfg_after_block_merging): Removed.
12494         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
12495         * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
12496         to dump_bb.
12497         * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
12498         find_if_case_2): Don't update dominators.
12499         * timevar.def (TV_CFG_VERIFY): New.
12500         * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
12501         * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
12502         * cfgloopmanip.c (split_loop_bb): Don't update dominators.
12503         (remove_bbs): Don't call remove_bbs.
12504         (create_preheader): Use make_forwarder_block.
12505         (mfb_keep_just, mfb_update_loops): New static functions.
12506
12507 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12508
12509         * config/avr/avr.h: Remove target-independent comments about
12510         target macros.
12511
12512 2004-01-28  Daniel Berlin  <dberlin@dberlin.org>
12513
12514         * timevar.c (timevar_print): Mention when checking is enabled.
12515
12516 2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
12517
12518         * c-lex.c (c_lex): Rename to...
12519         (c_lex_with_flags): Add new parameter to get CPP flags.
12520         (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
12521         * c-pragma.h (c_lex_with_flags): Declare.
12522
12523 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12524
12525         * config/mcore/mcore.c (mcore_external_libcall): Add a
12526         comment.
12527         (mcore_return_in_memory): Likewise.
12528
12529 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12530
12531         * config/mcore/mcore-protos.h: Remove the prototype for
12532         mcore_setup_incoming_varargs.
12533         * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
12534         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
12535         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
12536         (TARGET_PROMOTE_PROTOTYPES): Likewise.
12537         (TARGET_STRUCT_VALUE_RTX): Likewise.
12538         (TARGET_RETURN_IN_MEMORY): Likewise.
12539         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
12540         (mcore_setup_incoming_varargs): Make it static.  Receive the
12541         first argument by reference.  Add argument second_time.
12542         (mcore_external_libcall): New.
12543         (mcore_return_in_memory): Likewise.
12544         * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
12545         (PROMOTE_FUNCTION_RETURN): Likewise.
12546         (STRUCT_VALUE): Likewise.
12547         (RETURN_IN_MEMORY): Likewise.
12548         (SETUP_INCOMING_VARARGS): Likewise.
12549         (PROMOTE_PROTOTYPES): Likewise.
12550         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12551
12552 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12553
12554         * config/m32r/m32r-protos.h: Remove the prototype for
12555         m32r_setup_incoming_varargs.
12556         * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
12557         (TARGET_STRUCT_VALUE_RTX): Likewise.
12558         (TARGET_RETURN_IN_MEMORY): Likewise.
12559         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
12560         (m32r_return_in_memory): New.
12561         (m32r_setup_incoming_varargs): Make it static.
12562         * config/m32r/m32r.h: Remove #undef of
12563         ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
12564         definitions of PROMOTE_FUNCTION_ARGS and
12565         PROMOTE_FUNCTION_RETURN.
12566         (PROMOTE_PROTOTYPES): Remove.
12567         (RETURN_IN_MEMORY): Likewise.
12568         (STRUCT_VALUE): Likewise.
12569
12570 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12571
12572         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
12573         (TARGET_STRUCT_VALUE_RTX): Likewise.
12574         (m68k_struct_value_rtx): Likewise.
12575         * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
12576         STRUCT_VALUE_REGNUM.
12577         (PROMOTE_PROTOTYPES): Remove.
12578         * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
12579         STRUCT_VALUE_REGNUM.
12580         * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
12581         * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.
12582
12583 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12584
12585         * config/stormy16/stormy16.c
12586         (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
12587         TARGET_BUILD_BUILTIN_VA_LIST.
12588
12589 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12590
12591         * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
12592         (TARGET_STRUCT_VALUE_RTX): Likewise.
12593         (TARGET_RETURN_IN_MEMORY): Likewise.
12594         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
12595         (v850_return_in_memory): Likewise.
12596         (v850_setup_incoming_varargs): Likewise.
12597         * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
12598         (SETUP_INCOMING_VARARGS): Likewise.
12599         (RETURN_IN_MEMORY): Likewise.
12600         (STRUCT_VALUE): Likewise.
12601
12602 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12603
12604         * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
12605         (fr30_setup_incoming_varargs): Don't use
12606         STRICT_ARGUMENT_NAMING.
12607         * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
12608         (STRICT_ARGUMENT_NAMING): Likewise.
12609
12610 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12611
12612         * config/frv/frv-protos.h: Remove the prototype for
12613         frv_expand_builtin_saveregs.
12614         * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
12615         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
12616         (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
12617         STRUCT_VALUE_REGNUM.
12618         (frv_expand_builtin_saveregs): Make it static.
12619         (frv_struct_value_rtx): New.
12620         * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.
12621
12622 2004-01-29  Jan Hubicka  <jh@suse.cz>
12623
12624         PR c++/12850
12625         * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
12626         initial pointers.
12627         * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
12628         for functions that will be only inlined.
12629         (cgraph_mark_function_to_output): Likewise.
12630         (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
12631         do not clear function body.
12632         * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
12633         (tree_rest_of_compilation): Reorganize the logic releasing function
12634         body to use callgraph datastructure.
12635
12636 2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12637
12638         * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
12639         to register_operand.
12640
12641 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
12642
12643         * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
12644         (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
12645         match_operand expressions so that all match_dups appear
12646         lexically after their corresponding match_operands.
12647
12648 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12649
12650         * config/h8300/h8300.c (WORD_REG_USED): Use
12651         HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
12652         (compute_saved_regs): Likewise.
12653         (h8300_expand_prologue): Likewise.  Allocate locals after
12654         saving registers.
12655         (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
12656         of FRAME_POINTER_REGNUM.  Deallocate locals before saving
12657         registers.
12658         (h8300_initial_elimination_offset): Adjust for the new frame
12659         layout, which swaps flips the order of locals and saved
12660         registers.
12661         * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
12662         (HARD_FRAME_POINTER_REGNUM): New.
12663         (ELIMINABLE_REGS): Add an elimination rule from
12664         FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
12665         (REGISTER_NAMES): Add fp.
12666         * config/h8300/h8300.md (FP_REG): Change to 11.
12667         (HFP_REG): New.
12668
12669 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12670
12671         * genrecog.c (write_node): Remove a useless local variable.
12672
12673 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
12674
12675         * Makefile.in (options.c options.h): Use stamp file s-options to
12676         avoid unnecessary rebuilds.
12677         (options.o): New target listing dependencies.
12678         (gtyp-gen.h): Use stamp file s-gtyp-gen.
12679         (STAGESTUFF): Add s-gtyp-gen.
12680
12681 2004-01-28  Richard Henderson  <rth@redhat.com>
12682
12683         * ggc.h (ggc_free): Declare.
12684         * ggc-common.c (ggc_realloc): Use it.
12685         * ggc-page.c: Remove lots of inline markers.
12686         (globals): Add free_object_list.
12687         (ggc_alloc): Tidy.
12688         (ggc_free, validate_free_objects): New.
12689         (poison_pages): Provide default.
12690         (ggc_collect): Call validate_free_objects; emit markers to
12691         the debug file.
12692
12693 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
12694             Jim Wilson  <wilson@specifixinc.com>
12695
12696         * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
12697         Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
12698         scratch pointer.
12699         (ia64_secondary_reload_class): Delete case GR_REGS.
12700         * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
12701         Do not allocate a scratch register.
12702         (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.
12703
12704 2004-01-28  Jan Hubicka  <jh@suse.cz>
12705
12706         * gcse.c (bypass_block): Prevent edges to be unified when we are
12707         about to emit compenstation code.
12708
12709 2004-01-28  Nick Clifton  <nickc@redhat.com>
12710
12711         * config/arm/arm.c (arm_expand_builtin): Force second argument of
12712         the setcwx insn into a register.
12713
12714 2004-01-28  Richard Sandiford  <rsandifo@redhat.com>
12715
12716         * config/fp-bit.c (pack_d): When using paired doubles to implement
12717         a long double, round the high part separately.
12718         (unpack_d): Fix the case in which the high part is a power of two
12719         and the low part is a nonzero value of the opposite sign.
12720
12721 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12722
12723         * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
12724         (TARGET_STRUCT_VALUE_RTX): Likewise.
12725         (c4x_external_libcall): Likewise.
12726         (c4x_struct_value_rtx): Likewise.
12727         * config/c4x/c4x.h: Remove.
12728         (STRUCT_VALUE_REGNUM): Likewise.
12729         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12730
12731 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12732
12733         * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
12734         (TARGET_STRUCT_VALUE_RTX): Likewise.
12735         * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
12736         (STRUCT_VALUE): Likewise.
12737         (PROMOTE_PROTOTYPES): Likewise.
12738
12739 2004-01-27  Roger Sayle  <roger@eyesopen.com>
12740
12741         * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
12742         CONST_INT before using INTVAL.
12743
12744 2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>
12745
12746         * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
12747         * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
12748         frame if !TARGET_BACKCHAIN.
12749         * config/s390/s390.md ("allocate_stack"): Use pattern only if
12750         TARGET_BACKCHAIN.
12751         * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.
12752
12753 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
12754
12755         * ia64.c (ia64_function_arg): When placing HFAs in integer
12756         registers, do not special case the mode used for complex
12757         types.  Do not advance int_regs until the current register
12758         is full.
12759
12760 2004-01-27  Richard Sandiford  <rsandifo@redhat.com>
12761
12762         PR target/7297
12763         * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().
12764
12765 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
12766
12767         * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
12768         slow, unaligned loads and stores while debugging.  Fix formatting.
12769
12770 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
12771
12772         * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
12773         of computing wmode.
12774         (restore_stack_nonlocal): Same.
12775
12776 2004-01-27  Devang Patel <dpatel@apple.com>
12777
12778         * Makefile.in (dwarf2out.o): Depend on input.h
12779         * dbxout.c (dbx_debug_hooks): Add new empty hook for
12780         imported_module_or_decl.
12781         (xcoff_debug_hooks): Same.
12782         * sdbout.c (sdb_debug_hooks): Same.
12783         * vmsdbgout.c (vmsdbg_debug_hooks): Same.
12784         * debug.c (do_nothing_debug_hooks): Same.
12785         (debug_nothing_tree_tree): New function.
12786         * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
12787         * dwarf2out.c: Include input.h.
12788         (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
12789         (remove_child_TAG): New function.
12790         (dwarf_tag_name): Handle DW_TAG_imported_module.
12791         (gen_subprogram_die): Equate decl number to declaration die. Do not
12792         remove all children dies while reusing declaration die for definition.
12793         Instead, selectively remove only formal parameters.
12794         (gen_variable_die): Equate variable decl to declaration die.
12795         (gen_field_die): Equate field decl to line number.
12796         (force_namespace_die): Replace it with ...
12797         (force_decl_die): ... this.
12798         (force_type_die): New function.
12799         (setup_namespace_context): Replace use of force_namespace_die() with
12800         force_decl_die().
12801         (gen_namespace_die): Same.
12802         (dwarf2out_imported_module_or_decl): New function.
12803
12804 2004-01-27  Bob Wilson  <bob.wilson@acm.org>
12805
12806         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
12807         on CQImode and CHImode incoming arguments in register a7.
12808         (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
12809         * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
12810         * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
12811         xtensa_copy_incoming_a7 before reload.
12812
12813 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
12814
12815         * coverage.c (get_coverage_counts): Give a different message
12816         if flag_guess_branch_prob is set.
12817         * predict.c (counts_to_freqs): Return an int.
12818         (estimate_bb_frequencies): If counts_to_freqs returns zero,
12819         calculate estimates.
12820
12821 2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>
12822
12823         * config/iq2000/iq2000-protos.h: Remove the prototype for
12824         iq2000_setup_incoming_varargs.
12825         * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
12826         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
12827         (TARGET_PROMOTE_PROTOTYPES): Likewise.
12828         (TARGET_STRUCT_VALUE_RTX): Likewise.
12829         (TARGET_RETURN_IN_MEMORY): Likewise.
12830         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
12831         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
12832         (iq2000_return_in_memory): Likewise.
12833         (iq2000_setup_incoming_varargs): Make it static.  Receive the
12834         first argument by reference.
12835         * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
12836         (PROMOTE_FUNCTION_RETURN): Likewise.
12837         (PROMOTE_PROTOTYPES): Likewise.
12838         (RETURN_IN_MEMORY): Likewise.
12839         (STRUCT_VALUE): Likewise.
12840         (SETUP_INCOMING_VARARGS): Likewise.
12841         (STRICT_ARGUMENT_NAMING): Likewise.
12842
12843 2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>
12844
12845         * fixinc/fixinc.c (test_test): Initialize res.
12846         (start_flexer): Initialize pz_cmd_save.
12847
12848 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
12849
12850         * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
12851         SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.
12852
12853 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
12854
12855         PR 7198
12856         * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
12857         (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
12858         (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
12859         Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
12860         Possibly rename pattern for consistency.
12861         Remove ??? comments suggesting that this be done.
12862         (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
12863         New patterns.
12864         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
12865         (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
12866         (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
12867         (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
12868         Update to match.
12869
12870 2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>
12871
12872         * config/arm/arm.c (output_return_instruction): Only restore IP
12873         into SP if frame_pointer_needed.
12874
12875 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12876
12877         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
12878         for SCmode and DCmode if ARCH32.
12879         (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
12880         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
12881         if ARCH32.
12882         (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
12883         if ARCH32.
12884         (BASE_OUTGOING_VALUE_REG): Likewise.
12885
12886 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12887
12888         PR target/10904
12889         PR target/13058
12890         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
12891         Forbid mode changes from SImode for lower FP regs if ARCH64.
12892
12893 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
12894
12895         * Makefile.in (bt-load.o): Depend on except.h.
12896         * bt-load.c (except.h): #include.
12897         (compute_defs_uses_and_gen): If insn at end of BB can throw
12898         within this function, consider registers used by it unavailable for
12899         btr migration.
12900         (move_btr_def): If insn at end of BB can throw, insert before rather
12901         than after.
12902
12903         * flags.h (flag_btr_bb_exclusive): Declare.
12904         * toplev.c (flag_btr_bb_exclusive): New variable.
12905         (f_options): Add btr-bb-exclusive.
12906         * bt-load.c (augment_live_range): Restore old behaviour if
12907         flag_btr_bb_exclusive is set.
12908         * common.opt: Add entry for -fbtr-bb-exclusive.
12909         * opts.c (common_handle_options): Same.
12910         * doc/invoke.texi: Document -fbtr-bb-exclusive.
12911
12912         * bt-load.c (btrs_live_at_end): New variable.
12913         (compute_defs_uses_and_gen): Compute its pointed-to array.
12914         (clear_btr_from_live_range, add_btr_to_live_range): Update it.
12915         (augment_live_range): When augmenting with a new dominator,
12916         use only its btrs_live_at_end set, but also add in the full set
12917         of the old dominator.
12918         (btr_def_live_range): Use btrs_live_at_end.
12919         (move_btr_def): Set other_btr_uses_before_def, and move new set
12920         to the end of the basic block, if appropriate.
12921         (migrate_btr_defs): Allocate and free btrs_live_at_end.
12922
12923         * bt-load.c (basic_block_freq): Remove outdated comment.
12924
12925 2004-01-27  Alan Modra  <amodra@bigpond.net.au>
12926
12927         * config/rs6000/rs6000.h: Correct target_flags free bits comment.
12928         (PREDICATE_CODES): Remove duplicate.
12929         * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
12930         (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
12931         (MASK_PROFILE_KERNEL): Adjust define.
12932
12933 2004-01-27  Jakub Jelinek  <jakub@redhat.com>
12934
12935         * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
12936         of long string literals from 32 bytes to sizeof (void *) when !-Os
12937         and to 1 with -Os.
12938
12939 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12940
12941         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
12942         constant addresses in the normal mode.
12943
12944 2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12945
12946         * system.h (CHAR_BITFIELD): Delete.
12947         (BOOL_BITFIELD): New.
12948         * c-decl.c (c_scope): Use BOOL_BITFIELD.
12949         * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.
12950
12951 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12952
12953         * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
12954         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
12955         (TARGET_PROMOTE_PROTOTYPES): Likewise.
12956         (TARGET_STRUCT_VALUE_RTX): Likewise.
12957         (TARGET_RETURN_IN_MEMORY): Likewise.
12958         (arc_return_in_memory): Likewise.
12959         * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
12960         (PROMOTE_FUNCTION_RETURN): Likewise.
12961         (RETURN_IN_MEMORY): Likewise.
12962         (STRUCT_VALUE): Likewise.
12963
12964 2004-01-26  Richard Henderson  <rth@redhat.com>
12965
12966         * c-parse.in (extension): Use itype.
12967         (SAVE_EXT_FLAGS): Don't allocate a tree.
12968         (RESTORE_EXT_FLAGS): Don't read a tree.
12969
12970 2004-01-26  Jan Hubicka  <jh@suse.cz>
12971
12972         * cselib.c (discard_useless_values):  Clear out value pointer pointing
12973         to datastructure to be recycled.
12974
12975 2004-01-25  Jan Hubicka  <jh@suse.cz>
12976
12977         * genextract.c (main): Do not output the memset when not checking.
12978
12979 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12980
12981         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
12982         switch statement instead of a chain of if statements.
12983
12984 2004-01-26  Jeff Law  <law@redhat.com>
12985
12986         * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
12987         acute accents for Petur Runolfsson's entry.
12988
12989 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12990
12991         * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
12992         (TARGET_RETURN_IN_MEMORY): Likewise.
12993         * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
12994         (RETURN_IN_MEMORY): Likewise.
12995
12996 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
12997
12998          * config/rs6000/rs6000.c (rs6000_emit_move): split slow
12999          unaligned load/store into smaller loads and stores.
13000
13001 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
13002
13003         * function.c (assign_parms): Do not assign
13004         long long argument to memory in prologue if
13005         is it loaded into register.
13006
13007 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
13008
13009          PR middle-end/13779
13010          * expr.c (emit_group_load): split constant
13011          correctly into register components of PARALLEL insn.
13012
13013 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
13014
13015         * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
13016         Use adjust_address_nv directly with appropriate mode.
13017         (restore_stack_nonlocal): Ditto.
13018
13019 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13020
13021         * config/xtensa/xtensa-protos.h: Remove the prototype for
13022         xtensa_builtin_saveregs.
13023         * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
13024         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
13025         (TARGET_PROMOTE_PROTOTYPES): Likewise.
13026         (TARGET_STRUCT_VALUE_RTX): Likewise.
13027         (TARGET_RETURN_IN_MEMORY): Likewise.
13028         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
13029         (xtensa_builtin_saveregs): Make it static.
13030         (xtensa_return_in_memory): New.
13031         * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
13032         (PROMOTE_FUNCTION_RETURN): Likewise.
13033         (PROMOTE_PROTOTYPES): Likewise.
13034         (STRUCT_VALUE): Likewise.
13035         (RETURN_IN_MEMORY): Likewise.
13036         (EXPAND_BUILTIN_SAVEREGS): Likewise.
13037
13038 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13039
13040         * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
13041         (arm_setup_incoming_varargs): Likewise.
13042         * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.
13043
13044 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13045
13046         * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
13047         (cris_setup_incoming_varargs): Likewise.
13048         * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.
13049
13050 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13051
13052         * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
13053         (ns32k_struct_value_rtx): Likewise.
13054         * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
13055         NS32K_STRUCT_VALUE_REGNUM.
13056
13057 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13058
13059         * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
13060         (TARGET_PROMOTE_PROTOTYPES): Likewise.
13061         (TARGET_STRUCT_VALUE_RTX): Likewise.
13062         (arm_struct_value_rtx): Likewise.
13063         * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
13064         (STRUCT_VALUE): Likewise.
13065         (STRUCT_VALUE_REGNUM): Likewise.
13066         (PROMOTE_PROTOTYPES): Likewise.
13067
13068 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13069
13070         * config/ia64/ia64-protos.h: Remove the prototype for
13071         ia64_setup_incoming_varargs and ia64_return_in_memory.
13072         * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
13073         (TARGET_RETURN_IN_MEMORY): Likewise.
13074         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
13075         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
13076         (ia64_setup_incoming_varargs): Adjust the arguments to meet
13077         the requirement of TARGET_SETUP_INCOMING_VARARGS.
13078         (ia64_return_in_memory): Make it static.  Change the return
13079         type to bool from int.  Add an argument.
13080         (ia64_struct_value_rtx): New.
13081         * config/ia64/ia64.h: Remove commented-out definitions of
13082         PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
13083         PROMOTE_PROTOTYPES.
13084         (RETURN_IN_MEMORY): Remove.
13085         (STRUCT_VALUE_REGNUM): Likewise.
13086         (STRICT_ARGUMENT_NAMING): Likewise.
13087
13088 2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>
13089
13090         PR target/13666
13091         * config/sparc/sparc.c (function_arg_union_value): New function.
13092         (function_arg): Use it to deal with unions.
13093         (function_value): Likewise.  Define 'regbase' only for ARCH64.
13094         Replace a conditional statement by a simpler one.
13095
13096 2004-01-26  Richard Sandiford  <rsandifo@redhat.com>
13097
13098         * config/mips/mips.c (mips16_optimize_gp): Delete.
13099         (mips_reorg): Don't call it.
13100
13101 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13102
13103         * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
13104         (floatunsqihf2): Remove operand 6.
13105         (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
13106         fix patterns.
13107         (ldi_conditional, ldf_conditional): Validate operands.
13108
13109 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13110
13111         * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
13112         (HAVE_GAS_HIDDEN): Undefine as interim measure.
13113
13114 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13115
13116         * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
13117         memory references if TARGET_EXPOSE_LDP nonzero.
13118
13119 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13120
13121         * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.
13122
13123 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13124
13125         * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
13126         invalid operand combinations.
13127
13128 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13129
13130         * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
13131         c4x_legitimate_address_p.  Fix post_modify check.
13132
13133         * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
13134         * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.
13135
13136 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13137
13138         * config/pa/pa-protos.h: Remove the prototype for
13139         hppa_builtin_saveregs.  Add a prototype for
13140         pa_return_in_memory.
13141         * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
13142         (TARGET_PROMOTE_PROTOTYPES): Likewise.
13143         (TARGET_STRUCT_VALUE_RTX): Likewise.
13144         (TARGET_RETURN_IN_MEMORY): Likewise.
13145         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
13146         (pa_struct_value_rtx): Likewise.
13147         (pa_return_in_memory): Likewise.
13148         * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
13149         PA_STRUCT_VALUE_REGNUM.
13150         (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
13151         (EXPAND_BUILTIN_SAVEREGS): Remove.
13152         (PROMOTE_PROTOTYPES): Likewise.
13153         (PROMOTE_FUNCTION_RETURN): Likewise.
13154
13155 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13156
13157         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
13158         (TARGET_STRUCT_VALUE_RTX): Likewise.
13159         (vax_struct_value_rtx): Likewise.
13160         * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
13161         VAX_STRUCT_VALUE_REGNUM.
13162         (PROMOTE_PROTOTYPES): Remove.
13163
13164 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13165
13166         * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.
13167
13168 2003-04-25  Chris Demetriou  <cgd@broadcom.com>
13169
13170         * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
13171         and MIPS64 have HI/LO interlocks.  Update comment.
13172
13173 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13174
13175         * config/stormy16/stormy16-protos.h: Remove the prototype for
13176         xstormy16_setup_incoming_varargs.
13177         * config/stormy16/stormy16.c
13178         (xstormy16_setup_incoming_varargs): Remove.
13179         (xstormy16_return_in_memory): New.
13180         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
13181         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
13182         (TARGET_PROMOTE_PROTOTYPES): Likewise.
13183         (TARGET_STRUCT_VALUE_RTX): Likewise.
13184         (TARGET_RETURN_IN_MEMORY): Likewise.
13185         * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
13186         (PROMOTE_FUNCTION_RETURN): Likewise
13187         (PROMOTE_PROTOTYPES): Likewise
13188         (RETURN_IN_MEMORY): Likewise
13189         (STRUCT_VALUE): Likewise
13190         (SETUP_INCOMING_VARARGS): Likewise
13191
13192 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
13193
13194         * config/mips/mips.c (mips_offset_within_object_p): New function.
13195         (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
13196         SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
13197         ABI has 64-bit pointers and the object file only allows 32-bit symbols.
13198
13199 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13200
13201         * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
13202         (PROMOTE_FUNCTION_RETURN): Likewise.
13203
13204 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13205
13206         * config/mn10300/mn10300-protos.h: Remove the prototype for
13207         mn10300_builtin_saveregs.
13208         * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
13209         (TARGET_STRUCT_VALUE_RTX): Likewise.
13210         (TARGET_RETURN_IN_MEMORY): Likewise.
13211         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
13212         (mn10300_return_in_memory): Likewise.
13213         (mn10300_builtin_saveregs): Make it static.
13214         * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
13215         (RETURN_IN_MEMORY): Likewise.
13216         (STRUCT_VALUE): Likewise.
13217         (EXPAND_BUILTIN_SAVEREGS): Likewise.
13218
13219 2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>
13220
13221         PR bootstrap/13853
13222         * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.
13223
13224 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13225
13226         * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
13227         using ccr.
13228
13229 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13230
13231         * config/i860/i860-protos.h: Remove the prototype for
13232         i860_saveregs.
13233         * config/i860/i860.c (i860_saveregs): Make it static.
13234         (i860_struct_value_rtx): New.
13235         (TARGET_STRUCT_VALUE_RTX): Likewise.
13236         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
13237         * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
13238         I860_STRUCT_VALUE_REGNUM.
13239         (EXPAND_BUILTIN_SAVEREGS): Remove.
13240
13241 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13242
13243         * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
13244         (TARGET_RETURN_IN_MEMORY): Likewise.
13245         (m68hc11_struct_value_rtx): Likewise.
13246         (m68hc11_return_in_memory): Likewise.
13247         * config/m68hc11/m68hc11.h: Remove a commented-out definition
13248         of PROMOTE_PROTOTYPES.
13249         (RETURN_IN_MEMORY): Remove.
13250         (STRUCT_VALUE_REGNUM): Likewise.
13251
13252 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13253
13254         * config/mmix/mmix-protos.h: Remove the prototype for
13255         mmix_setup_incoming_varargs.
13256         * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
13257         (TARGET_STRUCT_VALUE_RTX): Likewise.
13258         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
13259         (mmix_setup_incoming_varargs): Make it static.
13260         (mmix_struct_value_rtx): New.
13261         * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
13262         Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
13263         (STRUCT_VALUE_REGNUM): Remove.
13264         (SETUP_INCOMING_VARARGS): Likewise.
13265
13266 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13267
13268         * config/mips/mips-protos.h: Remove the prototypes for
13269         mips_setup_incoming_varargs and mips_return_in_memory.
13270         * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
13271         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
13272         (TARGET_PROMOTE_PROTOTYPES): Likewise.
13273         (TARGET_STRUCT_VALUE_RTX): Likewise.
13274         (TARGET_RETURN_IN_MEMORY): Likewise.
13275         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
13276         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
13277         (mips_setup_incoming_varargs): Match the prototype for
13278         TARGET_SETUP_INCOMING_VARARGS.
13279         (mips_return_in_memory): Make it static.  Add argument fntype.
13280         (mips_strict_argument_naming): New.
13281         * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
13282         (PROMOTE_FUNCTION_ARGS): Likewise.
13283         (PROMOTE_FUNCTION_RETURN): Likewise.
13284         (STRUCT_VALUE): Likewise.
13285         (RETURN_IN_MEMORY): Likewise.
13286         (SETUP_INCOMING_VARARGS): Likewise.
13287         (STRICT_ARGUMENT_NAMING): Likewise.
13288
13289 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13290
13291         * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
13292         (TARGET_RETURN_IN_MEMORY): Likewise.
13293         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
13294         (ip2k_return_in_memory): Likewise.
13295         (ip2k_setup_incoming_varargs): Likewise.
13296         * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
13297         (STRUCT_VALUE): Likewise.
13298         (STRUCT_VALUE_INCOMING): Likewise.
13299         (SETUP_INCOMING_VARARGS): Likewise.
13300
13301 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
13302
13303         * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
13304         (TARGET_RETURN_IN_MEMORY): Likewise.
13305         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
13306         (avr_return_in_memory): Remove.
13307         * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
13308         (STRUCT_VALUE): Likewise.
13309         (STRUCT_VALUE_INCOMING): Likewise.
13310         (STRICT_ARGUMENT_NAMING): Likewise.
13311
13312 2004-01-25  Jan Hubicka  <jh@suse.cz>
13313
13314         * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.
13315
13316 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
13317
13318         * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
13319         (mips_regno_mode_ok_for_base_p): Declare.
13320         * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
13321         (FRAME_POINTER_REGNUM): Renumber to 78.
13322         (FIRST_PSEUDO_REGISTER): Update comment accordingly.
13323         (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
13324         (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
13325         (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
13326         (REG_MODE_OK_FOR_BASE_P): Likewise.
13327         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
13328         entry for 77 to "$arg" and entry for 78 to "$frame".
13329         (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
13330         (mips_reg_mode_ok_for_base_p): Remove.
13331         (mips_regno_mode_ok_for_base_p): New function, derived from old
13332         BASE_REG_P macro.  Don't enforce the mips16 stack pointer
13333         restrictions unless we're being strict.
13334         (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.
13335
13336 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13337
13338         * c-common.h: Fix comment typos.
13339         * c-decl.c: Likewise.
13340         * cgraphunit.c: Likewise.
13341         * combine.c: Likewise.
13342         * et-forest.c: Likewise.
13343         * flow.c: Likewise.
13344         * function.c: Likewise.
13345         * ifcvt.c: Likewise.
13346         * integrate.c: Likewise.
13347         * jump.c: Likewise.
13348         * postreload.c: Likewise.
13349         * varray.c: Likewise.
13350
13351 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13352
13353         * doc/frontends.texi: Update copyright.
13354         * doc/gcov.texi: Likewise.
13355         * doc/gty.texi: Likewise.
13356         * doc/sourcebuild.texi: Likewise.
13357         * doc/standards.texi: Likewise.
13358
13359 2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>
13360
13361         PR target/12978
13362         * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
13363         Remove movstrqi_small because it conflicts with movstrqi_large.
13364
13365 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13366
13367         * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
13368         (TARGET_STRUCT_VALUE_RTX): Likewise.
13369         (cris_struct_value_rtx): Likewise.
13370         * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
13371         (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
13372         STRUCT_VALUE_REGNUM.
13373         (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.
13374
13375 2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>
13376
13377         PR bootstrap/13848
13378         * cse.c (cse_cc_succs): Change the mode of the source expression
13379         as soon as decide we need a new mode.  Don't permit changing modes
13380         if we found a match in a successor block.
13381         (cse_condition_code_reg): Save original mode of source expression
13382         so that we know whether we have to change the mode in other
13383         insns.
13384
13385 2004-01-24  Jan Hubicka  <jh@suse.cz>
13386
13387         * emit-rtl.c (change_address, adjust_address_1, offset_address,
13388         widen_memory_access):  Return early when there is nothing to change.
13389
13390 2004-01-24  Jakub Jelinek  <jakub@redhat.com>
13391
13392         * simplify-rtx.c (simplify_relational_operation): Don't
13393         simplify address == constant into address + -constant == 0.
13394
13395 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13396
13397         * gcc.c (process_command): Don't internationalize the
13398         Copyright message.
13399         * mips-tfile.c (main): Likewise.
13400
13401 2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>
13402
13403         * cse.c: (cse_cc_succs) Fix comparison warning.
13404
13405 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13406
13407         * config/h8300/h8300.md: Remove extraneous USE in expanders.
13408
13409 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13410
13411         * config/h8300/h8300-protos.h: Provide prototypes for
13412         h8300_legitimate_constant_p and h8300_legitimate_address_p.
13413         * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
13414         (h8300_rtx_ok_for_base_p): Likewise.
13415         (h8300_legitimate_address_p): Likewise.
13416         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
13417         h8300_legitimate_constant_p.
13418         (RTX_OK_FOR_BASE_P): Remove.
13419         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.
13420
13421 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13422
13423         * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
13424         (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13425         (REG_OK_FOR_INDEX_STRICT_P): Likewise.
13426         (REG_OK_FOR_BASE_STRICT_P): Likewise.
13427         (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
13428         (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
13429         (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
13430         (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.
13431
13432 2004-01-24  Jan Hubicka  <jh@suse.cz>
13433
13434         * cselib.c (remove_useless_values):  Do not access discarded values.
13435
13436 2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>
13437
13438         * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
13439         arrays.
13440
13441 2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13442
13443         * recog.c: Fix a typo in copyright.
13444
13445 2004-01-23  Andrew Pinski  <apinski@apple.com>
13446
13447         * config/rs6000/rs6000.md (call): Fix misappiled patch.
13448         (call_value): Likewise.
13449
13450 2004-01-23  Richard Henderson  <rth@redhat.com>
13451
13452         PR opt/12941
13453         * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
13454         (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
13455         if SHIFT_COUNT_TRUNCATED is set.
13456
13457 2004-01-23  Bob Wilson  <bob.wilson@acm.org>
13458
13459         * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
13460         separate real and imaginary parts.
13461         * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.
13462
13463 2004-01-23  Hartmut Penner <hpenner@de.ibm.com>
13464
13465         PR target/13674
13466         * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
13467         loading into GPR.
13468
13469 2004-01-23  Jan Hubicka  <jh@suse.cz>
13470
13471         * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
13472         change.
13473
13474         * alloc-pool.c (align_four): Kill.
13475         (create_alloc_pool): Align size to eight.
13476         (free_alloc_pool, free_pool): Invalidate deallocated data.
13477
13478 2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>
13479
13480         PR gcc/1532
13481         * cse.c (cse_change_cc_mode): New static function.
13482         (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
13483         (cse_condition_code_reg): New function.
13484         * rtl.h (cse_condition_code_reg): Declare.
13485         * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
13486         * target.h (struct gcc_target): Add fixed_condition_code_regs and
13487         cc_modes_compatible.
13488         * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
13489         (TARGET_CC_MODES_COMPATIBLE): Define.
13490         (TARGET_INITIALIZER): Add new initializers.
13491         * targhooks.c (default_cc_modes_compatible): New function.
13492         * targhooks.c (default_cc_modes_compatible): Declare.
13493         * hooks.c (hook_bool_intp_intp_false): New function.
13494         * hooks.h (hook_bool_intp_intp_false): Declare.
13495         * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
13496         (TARGET_CC_MODES_COMPATIBLE): Define.
13497         (ix86_fixed_condition_code_regs): New static function.
13498         (ix86_cc_modes_compatible): Likewise.
13499         * doc/tm.texi (Condition Code): Document new hooks.
13500
13501 2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13502
13503         * fixinc/inclhack.def (bad_lval): Renamed to ...
13504         (alpha_bad_lval): ... this.
13505         Removed file list.
13506         Restrict to alpha*-dec-osf*.
13507         * fixinc/fixincl.x: Regenerate.
13508         * fixinc/tests/base/dirent.h: Remove, moving test ...
13509         * fixinc/tests/base/testing.h: ... here, reflecting new name.
13510
13511 2004-01-23  Zack Weinberg  <zack@codesourcery.com>
13512
13513         PR c/13814
13514         * c-decl.c (diagnose_mismatched_decls): Also discard a
13515         built-in if we encounter an old-style definition with the
13516         same name.
13517
13518 2004-01-23  Jakub Jelinek  <jakub@redhat.com>
13519
13520         * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
13521         set to default{32,64}.
13522
13523 2004-01-21  Jakub Jelinek  <jakub@redhat.com>
13524
13525         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
13526         [!__powerpc64__]: Corrected to handle kernels with changed ucontext.
13527
13528 2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
13529             Olivier Hainque  <hainque@act-europe.fr>
13530
13531         * fold-const.c (fold_binary_op_with_conditional_arg): Only
13532         build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.
13533
13534 2004-01-23  Daniel Jacobowitz  <drow@mvista.com>
13535
13536         * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
13537         size for minipool references.
13538
13539 2004-01-23  Roger Sayle  <roger@eyesopen.com>
13540
13541         * real.c (real_floor, real_ceil): Tweak to allow input and output
13542         arguments to overlap.
13543         (real_round): New function to implement round(3m) semantics.
13544         * real.h (real_round): Prototype here.
13545         * builtins.c (fold_builtin_round): New function to constant fold
13546         round, roundf and roundl.
13547         (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.
13548
13549 2004-01-23  Alexandre Oliva  <aoliva@redhat.com>
13550
13551         PR optimization/13819
13552         * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
13553         introduced by 2004-01-20's Jan Hubicka's copy_insn change.
13554         (sh_handle_sp_switch_attribute): Remove warning.
13555
13556 2003-11-30  Jan Hubicka  <jh@suse.cz>
13557
13558         * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.
13559
13560 2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>
13561
13562         * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
13563         may or may not return non-NIL.
13564         * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
13565         check CANNOT_CHANGE_MODE_CLASS
13566
13567 2004-01-23  Jan Hubicka  <jh@suse.cz>
13568
13569         * basic-block.h (PROP_POSTRELOAD): New macro.
13570         (CLEANUP_LOG_LINKS): New.
13571         * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
13572         * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.
13573
13574         * cselib.c (value_pool): New.
13575         (new_cselib_val): Use pool.
13576         (cselib_init): Initialize value_pool
13577         (cselib_finish): Free pool.
13578
13579 2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
13580
13581         * config/sparc/sparc.c (scan_record_type): New function.
13582         (function_arg_slotno): Use it to determine which kinds of
13583         registers the record can be passed in.
13584
13585 2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>
13586
13587         * config/pa/fptr.c: Fix old-style definition.
13588
13589 2004-01-22  Paolo Bonzini  <bonzini@gnu.org>
13590
13591         PR optimization/13724
13592         * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
13593         represents the zero bits produced by a ZERO_EXTEND operation.
13594
13595 2004-01-22  Roger Sayle  <roger@eyesopen.com>
13596
13597         PR optimization/13821
13598         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
13599         correctly calculate the lowpart offset of the contracted subreg.
13600
13601 2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>
13602
13603         * doc/invoke.texi (Optimize Options): Note that --param arguments
13604         are subject to change without notice.
13605
13606 2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13607
13608         * config.gcc (mips-sgi-irix6*o32): Removed.
13609         * config/mips/iris6-o32-as.h: Likewise.
13610         * config/mips/iris6-o32-gas.h: Likewise.
13611         * config/mips/iris6-o32.h: Likewise.
13612
13613 2004-01-22  Jan Hubicka  <jh@suse.cz>
13614
13615         * cfgcleanup.c (first_pass): New static variable.
13616         (try_forward_edges):  Add work limiting check for threading.
13617         (try_crossjump_bb):  Add work limiting check for crossjumping.
13618         (try_optimize_cfg):  Maintain first pass variable.
13619
13620 2004-01-22  Bob Wilson  <bob.wilson@acm.org>
13621
13622         * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
13623         handles complex and vector modes.
13624
13625 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13626
13627         * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
13628         (REG_OK_FOR_BASE_P_STRICT): Likewise.
13629         (STRICT): Likewise.
13630
13631 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
13632
13633         * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
13634         (genrtl_for_stmt): Remove emit_nop calls.
13635
13636 2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13637
13638         PR target/13713
13639         PR target/13324
13640         * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
13641         movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
13642         clrstrdi_prereload, clrstrdi_postreload): Fix constraints.
13643
13644 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
13645
13646         * config/arm/arm.c: Include "debug.h".
13647         (thumb_pushpop): Take two new arguments.  Add some commentary.
13648         Output frame information when pushing.
13649         (thumb_exit, thumb_unexpanded_epilogue): Update calls to
13650         thumb_pushpop.
13651         (thumb_output_function_prologue): Likewise.  Accumulate a CFA
13652         offset, and pass it to thumb_pushpop.  Output CFI information.
13653         (thumb_expand_prologue): Add some frame-related markers and notes.
13654
13655 2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>
13656
13657         * config/s390/s390.c (s390_frame_info): Allow large frame sizes
13658         for TARGET_64BIT.
13659         (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
13660         * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.
13661
13662 2004-01-22  Roger Sayle  <roger@eyesopen.com>
13663             Paolo Bonzini  <bonzini@gnu.org>
13664
13665         * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
13666         (subreg_lsb): Change to call new subreg_lsb_1 helper function.
13667         * rtl.h (subreg_lsb_1): Prototype here.
13668         * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
13669         sign extensions.
13670
13671 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13672
13673         * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
13674         macro need not be defined if jump-tables should contain
13675         relative addresses only when -fPIC or -fPIC is in effect.
13676
13677 2004-01-22  Jan Hubicka  <jh@suse.cz>
13678
13679         * alias.c (reg_base_value): Turn into varray.
13680         (reg_base_value_size): Kill.
13681         (old_reg_base_value): New deletable varray.
13682         (alias_invariant_size): New variable.
13683         (REG_BASE_VALUE): Update to use varray.
13684         (find_base_value): Likewise.
13685         (record_set): Likewise.
13686         (record_base_value): Likewise.
13687         (memrefs_conflict_p): Likewise.
13688         (record_set): Likewise
13689         (record_base_value): Likewise.
13690         (memrefs_conflict_p): Use alias_invariant_size.
13691         (init_alias_analysis): Use varray; set alias_invariant_size;
13692         rescale other arrays to be sized by maxreg.
13693         (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.
13694
13695 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
13696
13697         * config/sparc/sparc.c (function_arg_slotno): Use
13698         FLOAT_TYPE_P to detect FP fields in structures.
13699         (function_arg_record_value_1): Likewise.
13700         (function_arg_record_value_2): Likewise.
13701
13702 2004-01-22  Jan Hubicka  <jh@suse.cz>
13703
13704         * function.c (allocate_struct_function): Do not initialize expr, emit
13705         and varasm.
13706         (prepare_function_start): Do it here.
13707         * c-parse.in (maybe_type_qual): Do not produce line number notes.
13708
13709 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
13710
13711         PR target/13559
13712         * config/sparc/sparc.c (function_arg_record_value_3): Revert
13713         to 'word_mode' once the first slot has been filled.
13714
13715 2004-01-22  Olivier Hainque  <hainque@act-europe.fr>
13716
13717         * config/sparc/sparc.c (function_arg_record_value_1): Fix
13718         computation of the number of integer registers required.
13719
13720 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13721
13722         * config/i386/i386.md: Simplify certain comparisons of
13723         const_int.
13724
13725 2004-01-21  Andrew Pinski  <apinski@apple.com>
13726
13727         PR target/13785
13728         * config/rs6000/rs6000.md (call_value): Force operand
13729         1 not operand 0 into a register.
13730
13731 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13732
13733         * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
13734         unwind-dw2-fde.h: Update copyright.
13735
13736 2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13737
13738         * pa-protos.h: Update copyright.
13739         * pa.h: Likewise.
13740         * pa.md: Likewise.
13741
13742 2004-01-21  Caroline Tice  <ctice@apple.com>
13743
13744         PR target/12308
13745         * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
13746         flags register.
13747         (fix_truncdfdi2): Likewise.
13748         (fix_truncsfdi2): Likewise.
13749         (*fix_truncdi_1): Likewise.
13750         (fix_truncxfsi2): Likewise.
13751         (fix_truncdfsi2): Likewise.
13752         (fix_truncsfsi2): Likewise.
13753         (*fix_truncsi_1): Likewise.
13754         (fix_truncxfhi2): Likewise.
13755         (fix_truncdfhi2): Likewise.
13756         (fix_truncsfhi2): Likewise.
13757         (*fix_trunchi_1): Likewise.
13758
13759 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13760
13761         * alias.c, basic-block.h, c-common.c, c-common.h,
13762         c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
13763         calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
13764         combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
13765         cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
13766         defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
13767         expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
13768         genautomata.c, genconditions.c, genemit.c, genflags.c,
13769         gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
13770         ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
13771         langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
13772         line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
13773         ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
13774         rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
13775         target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
13776         unwind.h, varray.c, varray.h: Update copyright.
13777
13778 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13779
13780         * config/h8300/coff.h: Update copyright.
13781         * config/h8300/elf.h: Likewise.
13782         * config/h8300/h8300-protos.h: Likewise.
13783         * config/h8300/h8300.c: Likewise.
13784         * config/h8300/h8300.h: Likewise.
13785         * config/h8300/h8300.md: Likewise.
13786
13787 2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13788
13789         * fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
13790         ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
13791         ultrix_unistd): New hacks.
13792         * fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
13793         ULTRIX_CONST2_CHECK): Add checks.
13794         * fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
13795         * fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
13796         * fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
13797         * fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
13798         * fixinc/tests/base/locale.h: New file.
13799         * fixinc/fixincl.x: Rebuilt.
13800
13801 2004-01-21  Andreas Jaeger  <aj@suse.de>
13802             Michael Matz  <matz@suse.de>
13803
13804         * doc/extend.texi (Extended Asm): Clarify memory clobber.
13805
13806 2004-01-21  Jakub Jelinek  <jakub@redhat.com>
13807
13808         * crtstuff.c (frame_dummy, __do_global_ctors_1): Call
13809         _Jv_RegisterClasses through a function pointer.
13810
13811 2004-01-21  Falk Hueffner  <falk@debian.org>
13812
13813         PR target/12898
13814         * config/alpha/alpha.c (alpha_emit_set_const_1): If
13815         no_new_pseudos, use gen_rtx_SET directly for SImode constants
13816         which need multiple instructions to emit.
13817
13818 2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>
13819
13820         * config/m32r/m32r.h (CPP_SPEC): Define.
13821
13822 2004-01-21  Zack Weinberg  <zack@codesourcery.com>
13823
13824         * c-decl.c (merge_decls): Kill different_binding_level and
13825         different_tu arguments; simplify throughout.
13826         (duplicate_decls): Likewise.
13827         (pushdecl, merge_translation_unit_decls): Update calls to
13828         duplicate_decls.
13829
13830 2004-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13831
13832         * Makefile.in (pretty-print.o): Depend on $(CONFIG_H) and
13833         $(SYSTEM_H).
13834         (print-rtl1.o): Depend on $(SYSTEM_H).
13835
13836 2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>
13837
13838         PR bootstrap/12730
13839         * configure.ac: Delete definition and subsitution of docdir.
13840         Add info, man, srcman and srcinfo to target hooks. Create doc/
13841         directory.
13842         * configure: Regenerate.
13843         * Makefile.in: Don't substitute docdir and delete all references
13844         throughout.
13845         (MAKEINFOFLAGS): Define.
13846         (stmp-docobjdir): Delete.
13847         (INFOFILES, MANFILES): Define.
13848         (info): Call lang.info, srcinfo and lang.srcinfo.
13849         (generated-manpages): Call lang.man, srcman and lang.srcman.
13850         (srcinfo, srcman): New rules to copy back files to source directory.
13851         (doc/%.info, doc/%.dvi, doc/%.1, doc/%.7): New implict rule.
13852         (install-man): Revamp rule.
13853         (clean): Update dvi directory.
13854         (distclean): Delete TAGS from front end directorys.
13855         (maintainer-clean): Delete all document files in source directory.
13856
13857         objc/Make-lang.in (objc.man, objc.info): Dummy entries.
13858         (objc.srcman, objc.srcinfo): Likewise.
13859
13860 2004-01-20  Bruce Korb  <bkorb@gnu.org>
13861
13862         * fixinc/inclhack.def(math_exception): bypass only for glibc.
13863         (matherr_decl): rename & relocate as exception_structure.
13864         This fix must precede the math_exception fix.
13865
13866 2004-01-20  Roger Sayle  <roger@eyesopen.com>
13867
13868         * fold-const.c (fold_convert): Rename to fold_convert_const.
13869         (fold_convert_const): Change arguments to take a tree_code,
13870         a type and the operand/expression to be converted.  Return
13871         NULL_TREE if no simplification is possible.  Add support for
13872         FIX_CEIL_EXPR and FIX_FLOOR_EXPR in addition to FIX_TRUNC_EXPR.
13873         (fold): Handle FIX_CEIL_EXPR and FIX_FLOOR_EXPR.
13874         Adjust call to fold_convert to match new fold_convert_const.
13875         Avoid modifying the tree passed to fold in-place.
13876
13877 2004-01-21  Alan Modra  <amodra@bigpond.net.au>
13878
13879         * config/rs6000/sysv4.h (DWARF2_FRAME_REG_OUT): Define.
13880         * dwarf2out.c (output_cfi): Map regs using DWARF2_FRAME_REG_OUT.
13881         * doc/tm.texi (DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Document.
13882
13883 2004-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13884
13885         * pa-protos.h (compute_frame_size): Use HOST_WIDE_INT for frame sizes.
13886         * pa.c (store_reg, store_reg_modify, load_reg, set_reg_plus_d):
13887         Likewise.  Handle frames larger than 0x7fffffff on 64-bit ports.
13888         (emit_move_sequence): Check scratch_reg first in various if statements.
13889         Extend source simplification to handle all 64-bit CONST_INTs.
13890         (pa_output_function_prologue): Use HOST_WIDE_INT_PRINT_DEC for printing
13891         frame size.
13892         (hppa_expand_prologue, hppa_expand_epilogue): Use HOST_WIDE_INT for
13893         frame offset calculations.
13894         * pa.h (NEW_HP_ASSEMBLER): Add comment.
13895         (MAX_LEGIT_64BIT_CONST_INT, MIN_LEGIT_64BIT_CONST_INT,
13896         LEGITIMATE_64BIT_CONST_INT_P): Define.
13897         (LEGITIMATE_CONSTANT_P): Use LEGITIMATE_64BIT_CONST_INT_P.  Treat
13898         any CONST_INT as legitimate during and after reload.
13899         (VAL_32_BITS_P, INT_32_BITS): Define.
13900         (LEGITIMIZE_RELOAD_ADDRESS): Handle large frame offsets.
13901
13902 2004-01-20  Jan Hubicka  <jh@suse.cz>
13903
13904         * emit-rtl.c (verify_rtx_sharing, copy_insn_1,
13905         emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
13906         containing hard regs are shared.
13907         (gen_hard_reg_clobber): New function.
13908         (hard_reg_clobbers): New array.
13909         * genemit.c (gen_exp): Use gen_hard_reg_clobber.
13910         (copy_rtx): Do not copy clobbers containing hard regs.
13911         * rtl.h (gen_hard_reg_clobber): Declare.
13912
13913 2004-01-20  Jan Hubicka  <jh@suse.cz>
13914
13915         * varray.c:  Include hashtab.h
13916         (varray_descriptor): New structure.
13917         (hash_descriptor, eq_descriptor, varray_descriptor,
13918         print_statistics): New static functions
13919         (varray_init, varray_grow): Update statistics
13920         (dump_varray_statistics): New function.
13921         * varray.h (dump_varray_statistics): Declare.
13922         * toplev.c (finalize): Call it.
13923         * Makefile.in (varray.o): Add dependency.
13924
13925 2004-01-20  Jan Hubicka  <jh@suse.cz>
13926
13927         * cselib.c: Include alloc-pool.h
13928         (empty_vals, empty_elt_lists, empty_elt_loc_lists): Kill.
13929         (elt_loc_list_pool, elt_list_pool, cselib_val_pool): Declare.
13930         (new_elt_list, new_elt_loc_list, unchain_one_elt_list,
13931         unchain_one_elt_loc_list_pool, unchain_one_value,
13932         new_cselib_val): Simplify using allocpool.
13933         (cselib_init): Initialize allocpools.
13934         (cselib_finish): Finish allocpools.
13935         * Makefile.in (cselib.o): Depend on alloc-pool.h
13936
13937 2004-01-20  Richard Sandiford  <rsandifo@redhat.com>
13938
13939         * config/mips/mips.c (mips_load_call_address): Make the call insn
13940         use $gp if it could be calling a lazy binding stub.
13941
13942 2004-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13943
13944         * config/s390/s390.c (TARGET_PROMOTE_FUNCTION_ARGS): Define.
13945         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
13946         (TARGET_STRUCT_VALUE_RTX): Likewise.
13947         * config/s390/s390.h (PROMOTE_FUNCTION_ARGS): Remove.
13948         (PROMOTE_FUNCTION_RETURN): Remove.
13949         (STRUCT_VALUE): Remove.
13950
13951 2004-01-20  Denis Chertykov  <denisc@overta.ru>
13952
13953         PR bootstrap/13735
13954         * config/avr/avr.h (BASE_REG_CLASS): Don't permit to use X
13955         register as pointer after reload.
13956
13957 2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13958
13959         PR optimization/12440
13960         * loop.c: Include ggc.h.
13961         (loop_optimize): Run garbage collector between optimization of loops.
13962         * Makefile.in (loop.o): Add GGC_H dependency.
13963
13964 2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>
13965
13966         * gcc/config/rs6000/rs6000.c (function_arg) Handle
13967         vector register special in function without prototype.
13968         (function_arg_advance): Vector parameters get always
13969         GPRs allocated for the linux64 target.
13970
13971 2004-01-20  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
13972
13973         * config/m32r/m32r.h (TARGET_M32R2). Test for TARGET_M32R2_MASK
13974         not TARGET_M32RX_MASK.
13975
13976 2004-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13977
13978         PR target/13557
13979         * config/sparc/sparc.c (function_arg): Reorder the cases.
13980
13981 2004-01-19  Per Bothner  <per@bothner.com>
13982
13983         Move cpp_reader's line_maps field to a shared global.
13984         * cpphash.h (cpp_reader):  Rename line_maps field to line_table
13985         and change the type to a pointer rather than a struct.
13986         * cppinit.c (cpp_push_main_field):  Adjust accordingly.
13987         * cpplib.c (do_include_common, _cpp_do_file_change, cpp_get_callbacks):
13988         Likewise.
13989         * cppfiles.c (validate_pch):  Likewise.
13990         * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_builtin_macro_text):
13991         Likewise.
13992         * cpperror.c (print_location):  Likewise.
13993         * cpplib.h (cpp_create_reader):  New line_maps pointer parameter.
13994         * cppinit.c (cpp_create_reader):  Handle new parameter.
13995         (cpp_destroy):  Don't free line_maps - that's no longer our job.
13996         * input.h (line_table):  New variable.
13997         * toplev.c (line_table):  Declare variable.
13998         (general_init):  Initialize line_table.
13999         * c-opts.c (c_common_init_options):  Pass line_table to
14000         cpp_create_reader.
14001         * fix-header.c (read_scan_file):  New local variable line_table.
14002         Initialize, and pass it to cpp_create_reader.
14003         * Makefile.in (LIBS, LIBDEPS):  Add libcpp.a.
14004         (C_AND_OBJC_OBJS, fix-header):  Remove redundant libcpp.a.
14005
14006 2004-01-19  Per Bothner  <per@bothner.com>
14007
14008         Implement a cache for linemap_lookup.
14009         * line-map.h (struct_line_maps):  Add cache field.
14010         * line-map.c (linemap_init):  Zero cache field.
14011         (linemap_add):  Set cache field to offset of newly allocated map.
14012         (linemap_lookup):  Use and set cache field.
14013
14014 2004-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14015
14016         PR optimization/13567
14017         * cse.c (cse_basic_block): Call cse_insn with a non-null
14018         libcall_insn for the last SET insn of a no-confilict block.
14019
14020 2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>
14021
14022         * Makefile.in (target_noncanonical, program_transform_name): Use
14023         immediate define instead of deferred.
14024         (GCC_INSTALL_NAME, GCC_TARGET_INSTALL_NAME, CPP_INSTALL_NAME,
14025         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
14026         GCCBUG_INSTALL_NAME): Define via a immediate $(shell) instead of
14027         deferred backquote.
14028
14029 2004-01-20  Joseph S. Myers  <jsm@polyomino.org.uk>
14030
14031         * c-decl.c (c_init_decl_processing): Set pedantic_lvalues to
14032         true unconditionally.
14033         * c-typeck.c (unary_complex_lvalue, pedantic_lvalue_warning):
14034         Remove.
14035         (build_unary_op, build_modify_expr): Don't handle extended
14036         lvalues.
14037         (build_component_ref, build_conditional_expr): Call non_lvalue
14038         instead of pedantic_non_lvalue.
14039         (build_c_cast): Don't condition use of non_lvalue on pedantic.
14040         * fold-const.c (fold): Don't check pedantic directly for
14041         COMPOUND_EXPR.  Ensure that results for COMPOUND_EXPR are
14042         passed to pedantic_non_lvalue.
14043         * doc/extend.texi: Remove documentation of extended lvalues.
14044
14045 2004-01-19  Roger Sayle  <roger@eyesopen.com>
14046
14047         PR optimization/5263
14048         * simplify-rtx.c (associative_constant_p): Delete.
14049         (simplify_associative_operation): Rewrite to linearize terms, and
14050         attempt to simplify new term against both left and right subterms.
14051         (simplify_binary_operation): Call swap_commutative_operands_p on
14052         op0 and op1, not trueop0 and trueop1.  Move the initialization of
14053         trueop0 and trueop1 down to where first needed.
14054         (simplify_relational_operation): Likewise.
14055         * rtlanal.c (commutative_operand_precedence): Also order constant
14056         operands using avoid_constant_pool_reference.
14057
14058 2004-01-19  Richard Henderson  <rth@redhat.com>
14059
14060         * config/alpha/alpha.c (aligned_memory_operand): Check MEM_ALIGN,
14061         don't check memory mode.
14062         (unaligned_memory_operand): Likewise.
14063         (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Don't
14064         abort for op0 not MEM.
14065
14066         * config/alpha/alpha.c (alpha_expand_mov_nobwx): If the destination
14067         is not a reg, copy to a scratch first.
14068         (aligned_loadqi, aligned_loadhi, unaligned_loadqi, unaligned_loadhi,
14069         unaligned_loadqi_le, unaligned_loadqi_be, unaligned_loadhi_le,
14070         unaligned_loadhi_be): Expect op0 in DImode; don't SUBREG.
14071         (reload_inqi, reload_inhi): Fix mode of op0.
14072         (reload_inqi_help, reload_inhi_help, reload_outqi_help,
14073         reload_outhi_help): Likewise.  Use define_insn_and_split.
14074
14075         * config/alpha/alpha.md (call peepholes): Check for REG_NORETURN
14076         as well as $29 dead.
14077
14078 2004-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
14079
14080         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): New.  Emit
14081         "tls_object" for thread-local objects.
14082         * config/sparc/sparc.c (sparc_elf_asm_named_section): Emit
14083         "#tls" for thread-local sections.
14084         * configure.ac (thread-local checks): Specify --fatal-warnings in
14085         every binutils-specific checks.  For sparc*-*-*, test whether the
14086         OS is Solaris and the tools are native and act accordingly.
14087         * configure: Rebuild.
14088
14089 2004-01-19  Jeff Law  <law@redhat.com>
14090
14091         * contrib.texi: Update Paolo Carlini's entry.  New entries for
14092         Jerry Quinn and Petur Runolfsson.
14093
14094 2004-01-19  Roger Sayle  <roger@eyesopen.com>
14095
14096         * config/i386/i386.md (*movhi_1, *movqi_1): When optimizing for
14097         size, don't use the larger zero-extending loads.
14098
14099 2004-01-19  Richard Henderson  <rth@redhat.com>
14100
14101         * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
14102         * alpha.md (UNSPEC_NT_LDA): Remove.
14103         (UNSPEC_CVTLQ, cvtlq): New.
14104         (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
14105         (extendsidi2_fix): Remove.
14106         (extendsidi2 splitter): Use cvtlq.
14107         (extendsidi2 fp peepholes): Remove.
14108         (cvtql): Use SFmode instead of SImode.
14109         (fix_trunc?fsi): Update to match.
14110         (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
14111         (movsi): Rename from movsi_nofix, remove f alternatives.
14112         (movsi_nt_vms): Similarly.
14113         (movsi_fix, movsi_nt_vms_fix): Remove.
14114         (nt_lda): Remove.
14115         * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.
14116
14117 2004-01-19  Jan Hubicka  <jh@suse.cz>
14118
14119         * cgraph.c (cgraph_remove_node): Fix removal from linked list.
14120         * cgraphunit.c (cgraph_finalize_compilation_unit): Clear next_needed
14121         list.
14122         (cgraph_remove_unreachable_nodes): New function
14123         (cgraph_decide_inlining_of_small_function): Fix pasto.
14124         (cgraph_decide_inlining_incrementally): Fix pasto.
14125         (cgrpah_decide_inlining): Likewise; remove unreachable nodes.
14126
14127 2004-01-19  Steven Bosscher  <stevenb@suse.de>
14128
14129         * gengtype.c (header_file): Make it static.
14130         (write_types_process_field, write_enum_defn): Minor whitespace fixes.
14131         * gengtype.h (header_file): No longer extern.
14132
14133 2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14134
14135         * defaults.h (CASE_VECTOR_PC_RELATIVE): Provide the default.
14136         * expr.c (CASE_VECTOR_PC_RELATIVE): Remove.
14137         * stmt.c (CASE_VECTOR_PC_RELATIVE): Likewise.
14138
14139 2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14140
14141         * stmt.c (HAVE_casesi): Define it not already defined.
14142         (HAVE_tablejump): Likewise.
14143         (expand_end_case_type): Resort to the binary tree method if
14144         neither casesi or tablejump is available.
14145
14146 2004-01-18  Daniel Jacobowitz  <drow@mvista.com>
14147
14148         * final.c (final_scan_insn): Make non-static again.
14149         * output.h (final_scan_insn): Re-add prototype.
14150         * config/arc/arc.c (arc_output_function_epilogue): Add NULL
14151         to final_scan_insn call.
14152         * config/cris/cris.c (cris_target_asm_function_epilogue): Likewise.
14153         * config/mips/mips.c (mips_output_conditional_branch): Likewise.
14154         * config/pa/pa.c (output_lbranch, output_call): Likewise.
14155         * config/sh/sh.c (print_slot): Likewise.
14156         * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Likewise.
14157         (output_sibcall, sparc_flat_function_epilogue): Likewise.
14158
14159 2004-01-18  Jan Hubicka  <jh@suse.cz>
14160
14161         * basic-block.h (try_redirect_by_replacing_jump): Declare.
14162         * cfgcleanup.c (try_optimize_cfg): Use it.
14163         * cfgrtl.c (try_redirect_by_replacing_jump): Export.
14164         (rtl_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch):
14165         Kill hack.
14166         (cfg_layout_merge_blocks): Use try_redirect_by_replacing_jump.
14167
14168         Revert:
14169         2004-01-16  Geoffrey Keating  <geoffk@apple.com>
14170
14171                 * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
14172                 even after reload, just don't remove the actual jump tables.
14173
14174 2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14175
14176         * config/rs6000/rs6000.h (STRICT_ARGUMENT_NAMING): Remove.
14177
14178 2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14179
14180         * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Fix the computation of
14181         the size of a pointer in bytes.
14182
14183 2004-01-18  Roger Sayle  <roger@eyesopen.com>
14184
14185         * builtins.c (expand_builtin_expect_jump): Fix thinko of reusing
14186         live "next" variable, which could lead to an infinite loop.
14187
14188 2004-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14189
14190         * config/rs6000/altivec.h: Wrap C++ functions in extern "C++"
14191         block.
14192
14193         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14194         Check for NULL in the chain and remove repeated code.
14195
14196 2004-01-18  Jan Hubicka  <jh@suse.cz>
14197
14198         * coverage.c (checksum_string): Rename to ...
14199         (coverage_checksum_string): ... this one, Use crc32_string; recognize
14200         names containing random number and zero the number out in order to get
14201         match.
14202
14203 2004-01-18  Richard Sandiford  <rsandifo@redhat.com>
14204
14205         * config/mips/mips.c (mips_got_alias_set): Mark for PCH.
14206
14207 2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>
14208
14209         * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi,
14210         doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi,
14211         doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi,
14212         doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi,
14213         doc/trouble.texi: Remove trailing whitespace.
14214
14215 2004-01-18  Richard Sandiford  <rsandifo@redhat.com>
14216
14217         PR target/7618
14218         * config/mips/mips.c: Include cfglayout.h.
14219         (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
14220         (mips_unspec_offset_high): Add temporary register argument.
14221         (mips_load_call_address): New function, split out from...
14222         (mips_expand_call): ...here.
14223         (mips_output_cplocal): New function.
14224         (mips_output_function_prologue, mips_output_function_epilogue): Use it.
14225         (mips_emit_loadgp): New function, split out from...
14226         (mips_expand_prologue): ...here.
14227         (mips_output_mi_thunk): New function.
14228
14229 2004-01-17  Bernardo Innocenti  <bernie@develer.com>
14230
14231         * longlong.h (mc68020, __mc68030__, mc68030, __mc68040__, mc68040,
14232         mcpu32): Remove redundant checks for implied target predefines.
14233
14234 2004-1-17  Andrew Pinski  <pinskia@physics.uc.edu>
14235
14236         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14237         Return type is unsigned int not int.
14238         * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
14239         Likewise.
14240
14241 2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>
14242
14243         * doc/contrib.texi, doc/cppenv.texi, doc/extend.texi,
14244         doc/install.texi, doc/invoke.texi, doc/tm.texi: Consistently use
14245         "GNU/Linux" and "Microsoft Windows" terminology.
14246
14247 2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>
14248
14249         * doc/c-tree.texi, doc/compat.texi, doc/cpp.texi,
14250         doc/cppopts.texi, doc/extend.texi, doc/install.texi,
14251         doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi,
14252         doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use
14253         @smallexample instead of @example.
14254
14255 2004-01-17  Ziemowit Laski  <zlaski@apple.com>
14256
14257         * objc/objc-act.c (build_objc_method_call): Use target
14258         hooks instead of macros to determine if ..._stret
14259         dispatchers should be used (NeXT runtime only).
14260
14261 2004-01-17  Roger Sayle  <roger@eyesopen.com>
14262
14263         * builtins.c (expand_builtin_expect_jump): Fix mistake in my
14264         last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.
14265
14266 2004-01-17  Daniel Jacobowitz  <drow@mvista.com>
14267
14268         * rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)
14269         (emit_call_insn_before_sameloc, emit_insn_after_sameloc)
14270         (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): New
14271         macros.
14272         * reload1.c (emit_reload_insns): Use them.
14273         * emit-rtl.c (emit_insn_before_sameloc, emit_insn_after_sameloc)
14274         (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): Check
14275         for NULL PATTERN.
14276
14277 2004-01-17  Daniel Jacobowitz  <drow@mvista.com>
14278
14279         * final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
14280         (final_scan_insn): Update to take an additional SEEN argument.  Emit
14281         a line note after the prologue.  Make static.
14282         (line_note_exists): Remove.
14283         (final): Don't initialize line_note_exists.  Update call to
14284         final_scan_insn.
14285         * output.h (final_scan_insn): Remove prologue.
14286         * function.c (set_insn_locators): Update comment.
14287         (thread_prologue_and_epilogue_insns): Add a comment.
14288
14289 2004-01-17  Andrew Pinski  <pinskia@physics.uc.edu>
14290
14291         PR target/10781
14292         * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
14293         Prototype.
14294         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14295         New function.
14296         * config/rs6000/linux64.h (ROUND_TYPE_ALIGN): Use it.
14297         * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Likewise.
14298         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Likewise.
14299
14300 2004-01-17  Jan Hubicka  <jh@suse.cz>
14301
14302         * toplev.c (rest_of_handle_reorder_blocks): Fix pasto in previous
14303         commit.
14304
14305         * toplev.c (HAVE_conditional_execution): Provide default.
14306         (rest_of_handle_reorder_blocks): For conditional_execution target
14307         update liveness once after all transformations
14308         (rest_of_compilation): Do crossjumping before ce3.
14309
14310 2004-01-17  Geoffrey Keating  <geoffk@apple.com>
14311
14312         * alias.c (new_alias_set): Mark last_alias_set for PCH.
14313         (get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it
14314         for PCH.
14315         (get_frame_alias_set): Likewise, except rename it to 'frame_set'.
14316         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH.
14317         (get_TOC_alias_set): Mark 'set' for PCH.
14318
14319 2004-01-16  Geoffrey Keating  <geoffk@apple.com>
14320
14321         * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
14322         even after reload, just don't remove the actual jump tables.
14323
14324 2004-01-17  J. Brobecker  <brobecker@gnat.com>
14325
14326         * dwarf2out.c (is_subrange_type): Renamed from is_ada_subrange_type().
14327         Remove checks for is_ada() and TREE_UNSIGNED.
14328         (subrange_type_die): Emit a byte_size attribute if the subrange
14329         type size is different from the base type size.
14330         (modified_type_die): Replace call to is_ada_subrange_type() by
14331         call to is_subrange_type().
14332
14333 2004-01-16  Andrew Pinski  <pinskia@physics.uc.edu>
14334
14335         * config/sh/sh.c: Include ggc.h.
14336
14337 2004-01-16  Geoffrey Keating  <geoffk@apple.com>
14338
14339         * Makefile.in (MD5_H): New.
14340         (fold-const.o): Depend on md5.h.
14341         (dwarf2out.o): Likewise.
14342         (cppfiles.o): Likewise.
14343         * cppfiles.c: Include md5.h.
14344         (should_stack_file): Check against list read from PCH file.
14345         (struct pchf_data): New.
14346         (pchf): New variable.
14347         (struct pchf_adder_info): New.
14348         (pchf_adder): New.
14349         (pchf_save_compare): New.
14350         (_cpp_save_file_entries): New.
14351         (_cpp_read_file_entries): New.
14352         (struct pchf_compare_data): New.
14353         (pchf_compare): New.
14354         (check_file_against_entries): New.
14355         * cpphash.h (_cpp_save_file_entries): Prototype.
14356         (_cpp_read_file_entries): Prototype.
14357         * cpppch.c (cpp_write_pch_state): Write the list of headers.
14358         (cpp_read_state): Read the list of headers.
14359
14360 2004-01-17  Jan Hubicka  <jh@suse.cz>
14361
14362         * c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
14363         builtin_expect specially.
14364         * params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
14365         (PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
14366         * invoke.texi (max-inline-insns-single): Set to 100.
14367         (large-function-insns): Set to 3000.
14368
14369 2004-01-16  Eric Christopher  <echristo@redhat.com>
14370             Chandrakala Chavva <cchavva@redhat.com>
14371
14372         * cppcharset.c (one_iso88591_to_utf8): New function.
14373         (convert_iso88591_utf8): Ditto. Use.
14374         (conversion_tab): Use.
14375         (_cpp_input_to_utf8): New function.
14376         (_cpp_init_iconv_buffer): Ditto.
14377         (_cpp_close_iconv_buffer): Ditto.
14378         * cpphash.h: Prototype new functions.
14379         (cpp_buffer): Add input_cset_desc.
14380         * cppinit.c: Add input_charset default.
14381         * cpplib.c (cpp_push_buffer): Support init and
14382         close of iconv.
14383         * cpplib.h (cpp_options): Add input_charset.
14384
14385 2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>
14386
14387         * system.h (ASM_OUTPUT_SECTION_NAME): Poison.
14388         * config/alpha/unicosmk.h: Remove a commented-out definition
14389         of ASM_OUTPUT_SECTION_NAME.
14390         * config/stormy16/stormy16.h: Likewise.
14391
14392 2004-01-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
14393
14394         * fixinc/inclhack.def (alpha___extern_prefix): Renamed to ...
14395         (alpha___extern_prefix_sys_stat): ... this.
14396         Apply to <sys/mount.h>, too.
14397         Tweak to match more variations.
14398         * fixinc/tests/base/sys/stat.h: Adapt for new hackname.
14399
14400         * fixinc/inclhack.def (alpha___extern_prefix,
14401         alpha___extern_prefix_standards): New hacks to obey
14402         __PRAGMA_EXTERN_PREFIX.
14403         * fixinc/tests/base/testing.h [ALPHA___EXTERN_PREFIX_CHECK]: New
14404         test.
14405         * fixinc/tests/base/standards.h: Likewise.
14406
14407         * fixincl/inclhack.def (alpha_pthread): Tweak to match more
14408         variations.
14409         New testcase.
14410         * fixinc/tests/base/pthread.h: Handle it.
14411
14412         * fixincl/inclhack.def (bad_lval): Sort file list.
14413         Add many missing files up to Tru64 UNIX V5.1B.
14414         * gcc/fixinc/tests/base/libgen.h: Renamed to ...
14415         * gcc/fixinc/tests/base/dirent.h: ... this to match new file list
14416         order.
14417
14418         * fixinc/fixincl.x: Regenerate.
14419
14420 2004-01-16  Mark Mitchell  <mark@codesourcery.com>
14421
14422         * version.c (version_string): Change to 3.5.0.
14423         * doc/include/gcc-common.texi (version-GCC): Likewise.
14424
14425 2004-01-16  Jan Hubicka  <jh@suse.cz>
14426
14427         * i386.md (load_tp_di): Fix pasto.
14428
14429         PR opt/13608
14430         * i386.c (ix86_compute_frame_layout): Fix for alloca on leaf function.
14431
14432         * c-pretty-print.c (pp_c_type_cast, pp_c_abstract_declarator,
14433         pp_c_character_constant, pp_c_floating_constant,
14434         pp_c_additive_expression, pp_c_shift_expression,
14435         pp_c_equality_expression, pp_c_and_expression,
14436         pp_c_exclusive_or_expression, pp_c_inclusive_or_expression,
14437         pp_c_logical_and_expression): Remove inline modifier.
14438         * dwarf2out.c (get_AT): Likewise.
14439         * et-forest.c (et_splay): Likewise.
14440         * ra.h (ra_alloc, ra_calloc): Likewise
14441
14442 2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>
14443
14444         * config/frv/frv-protos.h: Fix comment formatting.
14445         * config/frv/frv.c: Likewise.
14446         * config/frv/frv.h: Likewise.
14447         * config/frv/frv.md: Likewise.
14448         * config/frv/frvbegin.c: Likewise.
14449         * config/frv/frvend.c: Likewise.
14450
14451 2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>
14452
14453         * system.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Poison.
14454         * doc/tm.texi (PREFERRED_DEBUGGING_TYPE): Don't mention
14455         LINKER_DOES_NOT_WORK_WITH_DWARF2.
14456         (LINKER_DOES_NOT_WORK_WITH_DWARF2): Remove.
14457
14458 2004-01-16  J"orn Rennecke <joern.rennecke@superh.com>
14459
14460         PR 11864
14461         * postreload.c (reload_cse_simplify_operands): Don't remove
14462         implicit extension from LOAD_EXTEND_OP.
14463
14464 2004-01-16  Jan Hubicka  <jh@suse.cz>
14465
14466         PR opt/11350
14467         * cfgcleanup.c (try_optimize_cfg): Suppress tablejump removal
14468         after reload.
14469         * cfgrtl.c (rtl_can_merge_blocks, cfglayout_can_merge_blocks,
14470         rtl_try_redirect_by_replacing_branch): Likewise.
14471
14472 2004-01-15  Geoffrey Keating  <geoffk@apple.com>
14473
14474         PR pch/13689
14475         * alias.c (struct alias_set_entry): Mark for GC.
14476         (alias_sets): Make static, mark for GC.
14477         (record_alias_subset): Use GC to allocate alias structures.
14478         * varray.c (element): Make generic varrays GCed.
14479
14480         PR pch/13361
14481         * c-typeck.c (constructor_asmspec): Delete.
14482         (struct initializer_stack): Delete field 'asmspec'.
14483         (start_init): Delete saving of asmspec.
14484         (finish_init): Don't update constructor_asmspec.
14485         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
14486         * stmt.c (expand_asm): Duplicate strings from tree.
14487         (expand_asm_operands): Likewise.
14488         * tree.c (tree_size): Update computation of size of STRING_CST.
14489         (make_node): Don't make STRING_CST nodes.
14490         (build_string): Allocate string with tree node.
14491         * tree.def (STRING_CST): Update comment.
14492         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
14493         (tree_string): Place contents of string in tree node.
14494         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
14495         from tree.
14496
14497         * config/rs6000/rs6000.c (rs6000_va_arg): No need to special-case
14498         altivec operands.
14499
14500 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14501
14502         * c-common.h: Fix comment formatting.
14503         * c-cppbuiltin.c: Likewise.
14504         * c-pragma.c: Likewise.
14505         * calls.c: Likewise.
14506         * collect2.c: Likewise.
14507         * cppcharset.c: Likewise.
14508         * cpptrad.c: Likewise.
14509         * dbxout.c: Likewise.
14510         * defaults.h: Likewise.
14511         * dwarf2out.c: Likewise.
14512         * fold-const.c: Likewise.
14513         * genautomata.c: Likewise.
14514         * genconditions.c: Likewise.
14515         * genflags.c: Likewise.
14516         * gengtype.c: Likewise.
14517         * integrate.c: Likewise.
14518         * loop.c: Likewise.
14519         * predict.c: Likewise.
14520         * sdbout.c: Likewise.
14521
14522 2004-01-15  Zack Weinberg  <zack@codesourcery.com>
14523
14524         * config/ia64/ia64.md (*movti_internal): C output template
14525         extracted to ia64.c.
14526         (*movti_internal_reg): Delete.
14527         (reload_inti, reload_outti): Use the correct mode on operand 2
14528         in the first place, don't fix it up in the output template.
14529         (movtf, reload_ointf, reload_outtf): New expanders.
14530         (*movtf_internal): New define_insn_and_split.
14531         * config/ia64/ia64.c (ia64_split_timode): Rename to ia64_split_tmode;
14532         make static; do not hand TFmode CONST_DOUBLEs to split_double.
14533         (ia64_split_tmode_move): New function, body mostly pulled
14534         from ia64.md:*movti_internal.
14535         (ia64_function_arg_words): New function, extracted common
14536         logic from ia64_function_arg et seq.
14537         (ia64_function_arg_offset): Likewise.  Handle correctly the
14538         case of a scalar quantity 16 bytes wide with only 8-byte alignment.
14539         (ia64_function_arg, ia64_function_arg_partial_nregs)
14540         (ia64_function_arg_advance): Use ia64_function_arg_words and
14541         ia64_function_arg_offset.
14542         (ia64_function_value): TCmode does not go in float regs.
14543         (ia64_secondary_reload_class): Also handle TFmode.
14544         * config/ia64/ia64-protos.h: Remove prototype for
14545         ia64_split_timode; add prototype for ia64_split_tmode_move.
14546
14547 2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>
14548
14549         * Makefile.in (MAINT): Make it an immediate assignment.
14550
14551 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14552
14553         * config/m32r/m32r.md: Remove useless calls to gen_lowpart.
14554
14555 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14556
14557         * config/h8300/coff.h: Replace Hitachi with Renesas.
14558         * config/h8300/elf.h: Likewise.
14559         * config/h8300/h8300-protos.h: Likewise.
14560         * config/h8300/h8300.c: Likewise.
14561         * config/h8300/h8300.h: Likewise.
14562         * config/h8300/h8300.md: Likewise.
14563         * config/h8300/lib1funcs.asm: Likewise.
14564
14565 2004-01-15  Andrew Pinski  <apinski@apple.com>
14566
14567         * config/rs6000/rs6000.c (uses_TOC): Wrap #if TARGET_ELF
14568         around it.
14569
14570 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14571
14572         * config/h8300/h8300.c (h8300_return_in_memory): New.
14573         (TARGET_STRUCT_VALUE_RTX): Likewise.
14574         (TARGET_RETURN_IN_MEMORY): Likewise.
14575         * config/h8300/h8300.h (STRUCT_VALUE): Remove.
14576         (RETURN_IN_MEMORY): Likewise.
14577
14578 2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
14579
14580         PR optimization/13375
14581         * gcse.c (handle_avail_expr): Just return if the source is not a
14582         single set.
14583
14584 2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
14585             Daniel Jacobowitz  <drow@mvista.com>
14586
14587         * arm/lib1funcs.asm (ARM_FUNC_START): Correct interworking case.
14588         (EQUIV): Define.
14589         (ARM_FUNC_ALIAS): New macro.
14590         * arm/ieee754-df.S (gedf2, ledf2, nedf2, eqdf2): Use it.
14591         * arm/ieee754-sf.S (gesf2, lesf2, nesf2, eqsf2): Use it.
14592
14593 2004-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14594
14595         PR optimization/12372
14596         * calls.c (expand_call): Add call_fusage data for stack arguments in
14597         constant calls.
14598
14599 2004-01-15  Alan Modra  <amodra@bigpond.net.au>
14600
14601         * config/rs6000/rs6000.c (uses_TOC): Correct comment.  Make static.
14602         (rs6000_elf_declare_function_name): Formatting.
14603         * config/rs6000/rs6000-protos.h (uses_TOC): Remove declaration.
14604
14605 2004-01-15  Jan Hubicka  <jh@suse.cz>
14606
14607         PR bootstrap/13692
14608         * sched-deps.c (sched_analyze_1, sched_analyze_2): Fix thinko in
14609         previous patch.
14610
14611 2004-01-15  Richard Henderson  <rth@redhat.com>
14612
14613         * config/alpha/alpha.h (REG_ALLOC_ORDER): Reorder fp regs after
14614         integer regs of the same call-savedness.
14615
14616 2004-01-15  Andreas Schwab  <schwab@suse.de>
14617
14618         PR bootstrap/13562
14619         * config/m68k/m68k.c (output_move_const_into_data_reg): Clear cc
14620         status for NOTB/NOTW/NEGW methods.
14621
14622 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14623
14624         * doc/invoke.texi: Update dump file names.  Fix a typo.
14625
14626 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14627
14628         * builtins.c (expand_builtin_va_end): Don't use
14629         EXPAND_BUILTIN_VA_END.
14630         * system.h (EXPAND_BUILTIN_VA_END): Poison.
14631         * config/d30v/d30v.h: Remove a commented-out definition of
14632         EXPAND_BUILTIN_VA_END.
14633         * config/stormy16/stormy16.h: Likewise.
14634
14635 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14636
14637         * system.h (STRUCT_VALUE_INCOMING_REGNUM): Poison.
14638         * targhooks.c (default_struct_value_rtx): Don't use
14639         STRUCT_VALUE_INCOMING_REGNUM.
14640
14641 2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>
14642
14643         PR bootstrap/12744
14644         * configure.in: Revamp enable-generated-files-in-srcdir rule to define
14645         GENINSRC and not parsedir.  Define srcextra as a langhook.
14646         * configure: Regenerate.
14647         * Makefile.in: Suppress default .l.c rule.  Don't substitute
14648         parsedir and delete all references throughout.  Conditionally define
14649         rule for srcextra dependent on GENINSRC.
14650         (stmp-docobjdir): Delete.
14651         (c-parse.o, gengtype-lex.o, gengtype-yacc.o): Use implicit build rule.
14652         (srcextra): Copy c-parse.y, c-parse.c, gengtype-lex.c, gengtype-yacc.c,
14653         and gengtype-yacc.h back to source directory.
14654         (maintainer-clean): Delete all parse files in source directory.
14655         (distclean): Delete generated files.
14656
14657         * objc/Make-lang.in (objc-parse.o): Use implicit build rule.
14658         (objc-parse.c, objc-parse.y): Don't use parsedir.
14659         (objc.srcextra): Copy objc-parse.y and objc-parse.c back to source
14660         directory if requested.
14661         (po-generated): Don't use parsedir.
14662         (objc.maintainer-clean): Delete above files from source directory.
14663
14664 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14665
14666         * doc/tm.texi (FUNCTION_VALUE): Fix a typo.
14667
14668 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14669
14670         * doc/tm.texi: Replace RETURN_IN_MEMORY with
14671         TARGET_RETURN_IN_MEMORY.
14672
14673 2004-01-15  Jan Hubicka  <jh@suse.cz>
14674
14675         * builtins.c (std_expand_builtin_va_arg): Align operand when needed.
14676         * i386.c (init_cumulative_args): Set warn_sse; fix handling of variadic
14677         functions accepting SSE arguments
14678         (function_arg): Warn only when asked to warn.
14679         * i386.h (ix86_args): Add warn_sse/warn_mmx fiels.
14680
14681 2004-01-14  Joseph S. Myers  <jsm@polyomino.org.uk>
14682
14683         * c-parse.in (stmts_and_decls): Make label at end of compound
14684         statement a hard error.
14685
14686 2004-01-14  Jan Hubicka  <jh@suse.cz>
14687
14688         * cgraph.c (create_edge): Use local.redefined_extern_inline.
14689         * cgraph.h (cgraph_local_info): Sort fields by size; add
14690         redefined_extern_inline
14691         (cgraph_global_info): Sort fields by size.
14692         (cgraph_node): Likewise.
14693         * cgraphunit.c (cgraph_finalize_function): Se
14694         local.redefined_extern_inline on redefinition.
14695         (cgraph_analyze_function): Use it; fix formating.
14696
14697 2004-01-14  Jan Hubicka  <jh@suse.cz>
14698
14699         PR c++/10776
14700         * sched-deps.c (trye_dependency_cache, anti_dependency_cache,
14701         outptu_dependency_cache, forward_dependency_cahe): Trun to vectors of
14702         bitmaps
14703         (cache_size): New variable
14704         (add_dependence): Update use; canonize early memory locations
14705         (sched_analyze_1): Likewise.
14706         (sched_analyze_2): Likewise.
14707         (init_dependency_caches): Initialize bitmaps.
14708         (free_dependency_caches): Free bitmaps
14709
14710 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14711
14712         * calls.c: Replace STRICT_ARGUMENT_NAMING in comments with
14713         targetm.calls.strict_argument_naming().
14714         * target.h: Likewise.
14715
14716 2004-01-14  Richard Henderson  <rth@redhat.com>
14717
14718         PR debug/13231
14719         * dwarf2out.c (dwarf2out_stack_adjust): Skip prologue and epilogue
14720         instructions.
14721
14722 2004-01-14  Richard Henderson  <rth@redhat.com>
14723
14724         PR c++/12491
14725         * except.c (struct eh_region): Add u.fixup.resolved.
14726         (resolve_one_fixup_region): Split out from ...
14727         (resolve_fixup_regions): ... here.
14728
14729 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14730
14731         * config/mn10300/mn10300.h (STRUCT_VALUE): Change to 0.
14732
14733 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14734
14735         * config/alpha/alpha.h (STRUCT_VALUE): Remove.
14736         * config/alpha/vms.h (STRUCT_VALUE_REGNUM): Remove #undef.
14737         (STRUCT_VALUE): Remove.
14738
14739 2004-01-14  Steven Bosscher  <stevenb@suse.de>
14740
14741         * system.h: Poison PROMOTED_MODE
14742         * integrate.c (expand_inline_function): Don't mention the
14743         PROMOTED_MODE.
14744         * loop.c (update_giv_derive): Same.
14745         * tree.h (DECL_RTL): Same.
14746
14747 2004-01-14  J"orn Rennecke <joern.rennecke@superh.com>
14748
14749         PR target/9365
14750         * sh.c (gen_block_redirect): Add special handling of RETURN.
14751         (gen_far_branch) Don't call gen_stuff_delay_slot if there is no
14752         far branch target (i.e. it's a return).
14753
14754 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14755
14756         * regrename.c (find_oldest_value_reg): Fix a warning.
14757
14758 2004-01-14  Richard Earnshaw  <rearnsha@arm.com>
14759
14760         PR bootstrap/12527
14761         * config.gcc (arm*-*-linux*): Don't include unknown-elf.h in tm_file.
14762         Move linux-gas.h and linux-elf.h before aout.h.
14763         * arm/arm.h (INITIALIZE_TRAMPOLINE): Only define if not already.
14764         * arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Define.
14765
14766 2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14767
14768         * config/m32r/m32r.md: Use GEN_INT instead of gen_rtx
14769         (CONST_INT, VOIDmode, ...).
14770
14771 2004-01-14  Richard Earnshaw  <rearnsha@arm.com>
14772
14773         * regrename.c (find_oldest_value_reg): If the replacement uses
14774         multiple hard registers, check that all of them are in CLASS.
14775
14776 2004-01-14  Jan Hubicka  <jh@suse.cz>
14777
14778         * alias.c (get_alias_set):  Initialize alias set to 0 when subset is
14779         impossible.
14780
14781 2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>
14782
14783         * Makefile.in: Define MAINT from --enable-maintainer-mode.
14784
14785 2004-01-14  Hartmut Penner  <hpenner@de.ibm.com>
14786
14787         * gcc/config/rs6000/rs6000.c (rs6000_stack_info)
14788         Calculate always vrsave_mask if TARGET_ALTIVEC.
14789         (rs6000_emit_prologue): Emit code for vrsave
14790         only if TARGET_ALTIVEC_VRSAVE.
14791         (rs6000_emit_epilogue): Likewise.
14792
14793 2004-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14794
14795         * config/sparc/sparc.md (tie_add32): Fix pasto.
14796         (tie_add64): Likewise.
14797
14798 2004-01-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14799
14800         * config/i386/i386.md (*addqi_1_slp): Do not access operands[2].
14801
14802 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14803
14804         * config/iq2000/iq2000-protos.h: Fix comment formatting.
14805         * config/iq2000/iq2000.c: Likewise.
14806         * config/iq2000/iq2000.md: Likewise.
14807
14808 2004-01-14  J. Brobecker  <brobecker@gnat.com>
14809
14810         * dwarf2out.c (is_ada_subrange_type): No longer check the TYPE_NAME.
14811         (subrange_type_die): Add handle for nameless subrange types.
14812
14813 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14814
14815         * config/h8300/h8300-protos.h: Replace do_movsi with
14816         h8300_expand_movsi.
14817         * config/h8300/h8300.c (do_movsi): Change to
14818         h8300_expand_movsi.
14819         * config/h8300/h8300.md (movsi): Replace do_movsi with
14820         h8300_expand_movsi.
14821         (movsf): Likewise.
14822
14823 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14824
14825         * config/h8300/h8300.c (dosize): Change to
14826         h8300_emit_stack_adjustment.  Update callers.
14827
14828 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14829
14830         * config/h8300/h8300.md (movstrictqi): Add an alternative with
14831         the source being post_inc.  Tighten the predicate for the
14832         destination to register_operand.
14833         (movstricthi): Likewise.
14834
14835 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14836
14837         * system.h (SHARED_BSS_SECTION_ASM_OP): Poison.
14838         * varasm.c (bss_section): Don't use SHARED_BSS_SECTION_ASM_OP.
14839         * doc/tm.texi (SHARED_BSS_SECTION_ASM_OP): Remove.
14840
14841 2004-01-14  Jan Hubicka  <jh@suse.cz>
14842
14843         Partial fix PR c++/12850
14844         * cgraphunit.c (cgraph_finalize_function): Always ggc_collect when
14845         at zero nest level.
14846
14847 2004-01-13  Bernardo Innocenti  <bernie@develer.com>
14848
14849         * config/m68k/netbsd-elf.h (REGISTER_NAMES): Add missing "argptr"
14850         pseudo-register.
14851
14852 2004-01-13  Devang Patel <dpatel@apple.com
14853
14854         PR debug/7078
14855         * dbxout.c (dbxout_symbol_name): Emit mangled names for
14856         NAMESPACE_DECL memebers.
14857
14858 2004-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
14859
14860         PR c++/12709
14861         * c-common.c (finish_fname_decls): Use the chain only if the
14862         tree is an expr_stmt.
14863
14864 2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>
14865
14866         * rtl.def: Add comment about new option in automata_option.
14867
14868         * genautomata.c (PROGRESS_OPTION): New macro.
14869         (progress_flag): New global variable.
14870         (gen_automata_option): Process `progress'.
14871         (transform_insn_regexps, check_unit_distributions_to_automata,
14872         make_automaton, NDFA_to_DFA, build_automaton, create_automata,
14873         expand_automata, write_automata): Print about the progress only if
14874         progress_flag.  Remove fflush.
14875         (initiate_automaton_gen): Process command line flag `-progress'.
14876
14877         * doc/md.texi: Describe the new option.
14878
14879 2004-01-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14880
14881         * cfg.c (dump_bb): Dump entry edges.
14882
14883 2004-01-13  Richard Earnshaw  <rearnsha@arm.com>
14884
14885         * arm.c (thumb_legitimate_address_p): Only allow constant pool
14886         references from SImode.
14887         * arm.md (thumb_movhi_insn): Don't allow minipool references.
14888
14889 2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>
14890
14891         * system.h (TEXT_SECTION): Poison.
14892         * varasm.c (text_section): Don't use TEXT_SECTION.
14893         * config/sh/sh.c (sh_file_start): Fix a comment typo.
14894         * doc/tm.texi (TEXT_SECTION): Remove.
14895
14896 2004-01-13  Ben Elliston  <bje@wasabisystems.com>
14897
14898         * doc/rtl.texi (Vector Operations): Remove defunct vec_const item.
14899
14900 2004-01-12  James E Wilson  <wilson@specifixinc.com>
14901
14902         * unwind-libunwind.c: Delete.
14903
14904 2004-01-12  Zack Weinberg  <zack@codesourcery.com>
14905
14906         PR 13656
14907         * c-decl.c (diagnose_mismatched_decls): Whenever newtype or
14908         oldtype is set, set *newtypep or *oldtypep too.  Do not set
14909         them at the very end.
14910         (validate_proto_after_old_defn): Restructure for comprehensibility;
14911         make error messages clearer.
14912
14913 2004-01-12  Zack Weinberg  <zack@codesourcery.com>
14914
14915         * varray.h (VARRAY_POP): Add checking variant, aborts on underflow.
14916         (VARRAY_TOP): Use VARRAY_CHECK so the access is bounds-checked.
14917         * varray.c: No need to prototype error.
14918         (varray_check_failed): Wrap long string onto two lines.
14919         (varray_underflow): New function.
14920
14921 2004-01-13  Steven Bosscher  <stevenb@suse.de>
14922
14923         PR c++/13376
14924         * function.h (struct function): Kill `name' field.
14925         (current_function_name): Make it an extern function.
14926         * function.c (current_function_name): New function.
14927         * graph.c: Update all uses of current_function_name.
14928         * gcse.c: Likewise.
14929         * config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
14930         config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
14931         * config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
14932         instead of a strcmp with "main".
14933
14934 2004-01-13  Jan Hubicka  <jh@suse.cz>
14935
14936         * c-decl.c (diagnose_mismatched_decls):  Fix warning calls.
14937
14938         * cgraphunit.c (cgraph_optimize_function):  Always do
14939         optimize_inline_calls when there is always_inline callee.
14940         (cgraph_decide_inlining): Fix formating.
14941         * tree-inline.c (inlinable_function_p): Do sorry for alwaysinline
14942         functions.
14943         (expand_call_inline): Likewise.
14944         * toplev.h (sorry): Fix prototype.
14945
14946 2004-01-12  Roger Sayle  <roger@eyesopen.com>
14947
14948         * builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
14949         conditional jumps that drop through to unconditional jumps or the
14950         end of the sequence.
14951
14952 2004-01-13  Jan Hubicka  <jh@suse.cz>
14953
14954         * alias.c (new_alias_set): Construct the alias_set varray.
14955         (init_alias_once): Don't do it here.
14956
14957 2004-01-12  Marc Espie <espie@openbsd.org>
14958
14959         * system.h: handle YYBYACC like YYBISON.
14960
14961 2004-01-12  Jonathan Merriman <jonm@dualitymedia.com>
14962
14963         PR target/10847
14964         * config.gcc: No longer includes conflicting header sparc/sol2.h when
14965         building on sparc64-*-openbsd*.
14966
14967 2004-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14968
14969         PR debug/13539
14970         * dbxout.c (dbxout_type): Protected inheritance is not
14971         private but protected.
14972
14973 2004-01-12  Richard Sandiford  <rsandifo@redhat.com>
14974
14975         * config/mips/mips.c (mips_symbolic_constant_p): Revert last patch.
14976
14977 2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>
14978
14979         PR optimization/12508.
14980         * combine.c (try_combine): Remove a dead set in a parallel
14981         even if its destination is a subreg.
14982
14983         Revert:
14984         2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
14985         * combine.c (simplify_set): Don't move a subreg in SET_SRC to
14986         SET_DEST if WORD_REGISTER_OPERATIONS is not defined.
14987
14988 2004-01-12  Geoffrey Keating  <geoffk@apple.com>
14989
14990         * real.c: Update copyright date.
14991         * emit-rtl.c: Likewise.
14992         * rtl.h: Likewise.
14993         * dwarf2out.c: Likewise.
14994         * config/rs6000/darwin-ldouble.c: Likewise.
14995         * config/rs6000/rs6000.md: Likewise.
14996
14997 2004-01-12  David Edelsohn  <edelsohn@gnu.org>
14998
14999         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Add AIX
15000         TFmode to SImode libfuncs.
15001
15002 2004-01-12  Roger Sayle  <roger@eyesopen.com>
15003
15004         PR middle-end/11397
15005         * varasm.c (assemble_alias): Remove weak aliases from weak_decls.
15006
15007 2004-01-12  Jan Hubicka  <jh@suse.cz>
15008
15009         PR opt/12826
15010         * loop.c (insert_loop_mem): Preffer VOLATILE memory references to be
15011         stored.
15012
15013         PR opt/12863
15014         * cfgcleanup.c (label_is_jump_target_p): Move to...
15015         * rtlanal.c (label_is_jump_target_p): ... here.
15016         * cfgrtl.c (cfg_layout_redirect_edge_and_branch):  Fix redirecting of fallthru
15017         edges unified with branch edges.
15018
15019 2004-01-12  Richard Earnshaw  <rearnsha@arm.com>
15020
15021         * simplify-rtx.c (simplify_immed_subreg): Correctly extract the
15022         high word of an integral CONST_DOUBLE.
15023
15024 2004-01-12  Paul Brook  <paul@codesourcery.com>
15025
15026         * simplify-rtx.c (simplify_plus_minus): Always generate canonical form.
15027
15028 2004-01-12  J"orn Rennecke <joern.rennecke@superh.com>
15029
15030         PR target/13585
15031         * sh-protos.h (check_use_sfunc_addr): Declare.
15032         * sh.c (extract_sfunc_addr, check_use_sfunc_addr): New functions.
15033         * sh.md (use_sfunc_addr): Use check_use_sfunc_addr in insn predicate.
15034
15035 2004-01-12  Jan Hubicka  <jh@suse.cz>
15036
15037         * alias.c:  Invlude varray.h
15038         (alias_sets): Turn into varray.
15039         (get_alias_set_entry): Use VARRAY; mark inline.
15040         (mems_in_disjoint_alias_sets_p): Mark inline.
15041         (record_alias_subset): Use varray.
15042         (init_alias_once): Initialize varray.
15043         (new_alias_set): Grow array.
15044         * varray.c: Make VARRAY_GENERIC_PTR non GTYized.
15045
15046 2004-01-12  Jan Hubicka  <jh@suse.cz>
15047
15048         Partial fix for PR opt/10776 II
15049         * cselib.c: Include params.h
15050         (cselib_invalidate_mem):  Limit amount of nonconflicting memory
15051         locations.
15052         * params.def (PARAM_MAX_CSELIB_MEMORY_LOCATIONS): New.
15053         * Makefile.in (cselib.o): Depend on params.h
15054
15055 2004-01-12  Richard Sandiford  <rsandifo@redhat.com>
15056
15057         * combine.c (combine_simplify_rtx): Don't pass VOIDmode to
15058         simplify_unary_operation if the operand has a known mode.
15059
15060 2004-01-12  Hartmut Penner  <hpenner@de.ibm.com>
15061
15062         PR target/13534
15063         * gcc/config/rs6000/rs6000.c (word_offset_memref_operand): New
15064         predicate to handle 'ld' conform addresses.
15065         * gcc/config/rs6000/rs6000.h (EXTRA_CONSTRAINT): New 'Y'
15066         contraint.
15067         (EXTRA_MEMORY_CONSTRAINT): Tell reload which constraint
15068         are memory contraints.
15069         * gcc/config/rs6000/rs6000-protos.h (word_offset_memref_operand):
15070         New prototype.
15071         * gcc/config/rs6000/rs6000.md (*movdf_hardfloat64):
15072         Change 'o' to 'Y' constraint.
15073         (*movdf_softfloat64): Ditto.
15074
15075 2004-01-12  Bernardo Innocenti  <bernie@develer.com>
15076
15077         * gcc/config/m68k/m68k.md: Switch from the "*..." syntax to the
15078         brace-enclosed syntax in all C output statements.
15079
15080 2004-01-12  David Edelsohn  <edelsohn@gnu.org>
15081
15082         PR target/13401
15083         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
15084         Objective-C language type value is 14.
15085
15086 2004-01-12  Markus F.X.J. Oberhumer  <markus@oberhumer.com>
15087
15088         PR c/12148
15089         * config/m68k/fpgnulib.c: Fix `-mshort' bugs: Use `long' instead of
15090         `int' in a number of places to make sure we always have a SImode
15091         and not a HImode.  Add a 'L' suffix to a number of constants.
15092
15093 2004-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15094
15095         * pa.c: Don't include obstack.h.
15096
15097         * pa.md: Correct constraint in pattern for loading PIC label address.
15098
15099 2004-01-11  Kaz Kojima  <kkojima@gcc.gnu.org>
15100
15101         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine
15102          before defining.
15103
15104 2004-01-11  Steven Bosscher  <stevenb@suse.de>
15105
15106         PR fortran/9972
15107         * toplev.c (rest_of_handle_inline): Also consider functions
15108         for deferral if the language is GNU F77.
15109
15110 2004-01-11  Zack Weinberg  <zack@codesourcery.com>
15111
15112         * c-decl.c (diagnose_arglist_conflict): Add missing space to
15113         diagnostic messages.
15114
15115 2004-01-11  Jakub Jelinek  <jakub@redhat.com>
15116
15117         PR middle-end/13392
15118         * builtins.c (expand_builtin_expect_jump): Handle conditional jumps
15119         to drop through label.  Don't fall back to SCC even when conditional
15120         jump has not been found.
15121
15122 2004-01-11  Jan Hubicka  <jh@suse.cz>
15123
15124         * invoke.texi: Fix syntax error in previous patch.
15125
15126         Partial fix for PR opt/10776
15127         * Makefile.in (reload.o): Include param.h
15128         * params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
15129         * reload.c: Include params.h.
15130         (find_equiv_reg): Work limiting check.
15131         * invoke.texi: Document.
15132
15133 2004-01-11  Richard Sandiford  <rsandifo@redhat.com>
15134
15135         * config/mips/mips.c (mips_symbolic_constant_p): Don't allow
15136         out-of-bounds accesses to string constants.  Simplify mips16
15137         case accordingly.
15138
15139 2004-01-11  Richard Sandiford  <rsandifo@redhat.com>
15140
15141         PR optimization/13469
15142         * toplev.c (rest_of_compilation): Call purge_all_dead_edges after
15143         reload_cse_regs (-fnon-call-exceptions only).
15144
15145 2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15146
15147         * config/mcore/lib1.asm: Fix comment formatting.
15148         * config/mcore/mcore-elf.h: Likewise.
15149         * config/mcore/mcore.c: Likewise.
15150         * config/mcore/mcore.h: Likewise.
15151         * config/mcore/mcore.md: Likewise.
15152
15153 2004-01-10  Zack Weinberg  <zack@codesourcery.com>
15154
15155         * c-decl.c (duplicate_decls): Break apart into...
15156         (diagnose_arglist_conflict, validate_proto_after_old_defn)
15157         (locate_old_defn, diagnose_mismatched_decls, merge_decls):
15158         ... these new functions.  Restructure for comprehensibility.
15159         Remove various archaic special cases.  Always report the
15160         location of the previous declaration when a diagnostic is issued.
15161         (redeclaration_error_message): Fold into diagnose_mismatched_decls.
15162         (match_builtin_function_types): Delete unnecessary forward declaration.
15163
15164 2004-01-10  Zack Weinberg  <zack@codesourcery.com>
15165
15166         * genautomata.c (make_automaton, NDFA_to_DFA):
15167         Print progress bars with '.' characters instead of '*'.
15168         (build_automaton): Change notes to match.
15169
15170 2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15171
15172         * config/m32r/m32r.md: Use define_constants for unspec and
15173         unspec_volatile.
15174
15175 2004-01-10  Jan Hubicka  <jh@suse.cz>
15176
15177         PR opt/11635
15178         * expr.c (expand_expr_real):  More curefully expand union casts.
15179
15180 2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15181
15182         * config/m32r/m32r.md (flush_icache): Use 1 for
15183         unspec_volatile.
15184
15185 2004-01-10  David Edelsohn  <edelsohn@gnu.org>
15186             James E Wilson  <wilson@specifixinc.com>
15187
15188         PR debug/12860
15189         * dbxout.c (dbxout_symbol): Remove initialization of
15190         current_sym_code, current_sym_value, and current_sym_addr.
15191         (dbxout_symbol_location): Same.
15192         (dbxout_prepare_symbol): Zero current_sym_code,
15193         current_sym_value, and current_sym_addr.
15194
15195 2004-01-10  Richard Sandiford  <rsandifo@redhat.com>
15196
15197         * tree.c (get_unwidened): Reorder conditions so that the null pointer
15198         check is done first.
15199
15200 2004-01-09  Eric Christopher  <echristo@redhat.com>
15201
15202         * toplev.c (rest_of_handle_cfg): Add reg_scan pass
15203         if we're running mark_constant_function.
15204
15205 2004-01-09  Jeff Bailey  <jbailey@nisa.net>
15206
15207         PR target/12561
15208         * config/t-gnu: Rename SYSTEM_HEADER_DIR to NATIVE_SYSTEM_HEADER_DIR.
15209
15210 2004-01-09  Andrew Pinski <pinskia@physics.uc.edu>
15211
15212         PR debug/11231
15213         * dbxout.c (dbxout_type_fields): Return if any item is
15214         error_mark_node or the type is error_mark_node.
15215
15216 2004-01-09  Geoffrey Keating  <geoffk@apple.com>
15217
15218         * config/rs6000/darwin-ldouble.c: Add big comment explaining
15219         exactly what is expected as a 'long double'.
15220         (_xlqadd): When a value to be returned is representable as a
15221         'double', just return it directly, do not construct it using a union.
15222         Also, correct final fixup.
15223         (_xlqmul): Likewise.
15224         (_xlqdiv): Likewise.
15225         * real.c (encode_ibm_extended): Make consistent with darwin-ldouble.c.
15226
15227         * config/rs6000/rs6000.md (fix_trunctfdi2): Delete.
15228
15229 2004-01-09  Richard Henderson  <rth@redhat.com>
15230
15231         * recog.c (constrain_operands): Validate mem operands.
15232
15233 2004-01-09   James E Wilson  <wilson@specifixinc.com>
15234
15235         * gcc.c (init_spec): Remove -lunwind from shared case.
15236         * conifg/ia64/t-hpux (SHLIB_LINK): Add -lunwind.
15237
15238 2004-01-09  Steve Ellcey  <sje@cup.hp.com>
15239
15240         * configure.ac: (gcc_cv_ld_hidden) Set to true for ia64*-*-hpux*.
15241         * configure: Regenerate
15242
15243 2004-01-09  Joseph S. Myers  <jsm@polyomino.org.uk>
15244
15245         PR c/11234
15246         * c-typeck.c (build_c_cast): If pedantic, warn for conversions
15247         between function and object pointers.
15248         (digest_init): When comparing a pointer to function type to the
15249         target type, only apply TREE_TYPE once to the pointer to function
15250         type.
15251         * except.c (for_each_eh_label_1): Treat data as a pointer to a
15252         function pointer rather than casting it to a function pointer.
15253         (for_each_eh_label): Update caller.
15254         * recog.h (struct insn_data): Use a struct or union for output.
15255         * genoutput.c (output_insn_data): Update.
15256         * final.c (get_insn_template): Update.
15257
15258 2004-01-09  Mark Mitchell  <mark@codesourcery.com>
15259
15260         * expr.h (expand_expr): Make it a macro, not a function.
15261         (expand_expr_real): New function.
15262         * expr.c (store_expr): Adjust logic for deciding whether or not to
15263         copy the value returned by expand_expr.
15264         (expand_expr): Rename to ...
15265         (expand_expr_real): ... this.  Add alt_rtl parameter.  Adjust
15266         calls to language hooks.
15267         * c-common.h (c_expand_expr): Adjust prototype.
15268         * c-common.c (c_expand_expr): Add alt_rtl parameter.
15269         * langhooks-def.h (lhd_expand_expr): Change prototype.
15270         * langhooks.c (lhd_expand_expr): Add all_rtl parameter.
15271         * langhooks.h (lang_hooks): Change type of expand_expr.
15272         * stmt.c (stmt_status): Add x_last_expr_alt_rtl.
15273         (last_expr_alt_rtl): Likewise.
15274         (expand_expr_stmt_value): Set last_expr_alt_rtl.
15275         (clear_last_expr): Clear it.
15276         (expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
15277         (expand_end_bindings): Save and restor last_expr_alt_rtl.
15278         * tree.def (RTL_EXPR): Give it an additional operand.
15279         * tree.h (RTL_EXPR_ALT_RTL): New macro.
15280
15281 2004-01-09  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
15282
15283         * config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
15284         * config/m32r/m32r.c (call26_operand): Allow in PIC mode.
15285
15286 2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>
15287
15288         PR target/13380.
15289         * config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
15290         or (ne:SI (reg:CC 17) (const_int 0)).
15291         Be specific about modes wherever possible.
15292
15293 2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>
15294
15295         * config/m32r/m32r.c (m32r_expand_block_move): Call
15296         gen_movestrsi_internal with two more arguments.
15297         (m32r_output_block_move): Adjust operand numbers.
15298         Properly update the source and destination pointers.
15299         * config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
15300         'r+'.  Change the set detinations to match_operand.
15301
15302 2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>
15303
15304         * final.c (FIRST_INSN_ADDRESS): Remove.
15305         (shorten_branches): Don't use FIRST_INSN_ADDRESS.
15306         * system.h (FIRST_INSN_ADDRESS): Poison.
15307         * config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
15308         * config/m32r/m32r-protos.h: Remove the prototype for
15309         m32r_first_insn_address.
15310         * config/m32r/m32r.c (m32r_first_insn_address): Remove.
15311         * config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
15312         * doc/md.texi (FIRST_INSN_ADDRESS): Likewise.
15313
15314 2004-01-09  J. Brobecker  <brobecker@gnat.com>
15315
15316         * dwarf2out.c (gen_enumeration_type_die): Return the DIE that
15317         we just created.
15318         (is_ada_subrange_type): DIEs for enumeration subtypes should be
15319         emitted as subrange types too.
15320         (subrange_type_die): Add handling of enumeration subtypes.
15321
15322 2004-01-08  Richard Henderson  <rth@redhat.com>
15323
15324         PR opt/12441
15325         Revert: Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
15326         * i386.c (aligned_operand): Be prepared for SUBREGed registers.
15327         (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
15328         (ix86_address_cost): Be prepared for SUBREGed registers.
15329         (legitimate_address_p): Accept SUBREGed registers.
15330
15331 2004-01-08  Kelley Cook  <kcook@gcc.gnu.org>
15332
15333         * Makefile.in: Rename configure.in to configure.ac
15334         * doc/sourcebuild.texi: Likewise.
15335         * configure: Regenerate.
15336         * config.in: Regenerate.
15337
15338 2004-01-08  Stuart Hastings  <stuart@apple.com>
15339
15340         * config/i386/i386.md: Typos in MMX/SSE immediate shifts.
15341
15342 2004-01-08  Jan Hubicka  <jh@suse.cz>
15343
15344         * cgraphunit.c (cgraph_decide_inlining):  Fix typo.
15345
15346 2004-01-08  Geoffrey Keating  <geoffk@apple.com>
15347
15348         * config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
15349         (UNSPEC_FIX_TRUNC_TF): New constant.
15350         (movtf_internal): Make splitter active only when insn is active.
15351         (extenddftf2): Rewrite to properly load zero into low part.
15352         (extenddftf2_internal): New.
15353         (extendsftf2): Rewrite.
15354         (truncdftf2): Correct length.
15355         (floatditf2): Delete.
15356         (fix_trunc_helper): New.
15357         (fix_trunctfdi2): Use fix_trunc_helper.
15358         (fix_trunctfsi2): Likewise.fix_trunc
15359         (fix_trunctfsi2_internal): New.
15360
15361         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
15362         addresses are legitimate on Darwin even when flag_pic.
15363         (rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
15364         non-offsettable addresses for loads of TFmode constants.
15365
15366 2004-01-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
15367
15368         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
15369         variables in the appropriate bss section.
15370
15371 2004-01-09  Alan Modra  <amodra@bigpond.net.au>
15372
15373         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
15374         target_flags has MASK_POWERPC64 when -m64.
15375         * config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
15376         to 620, 630, power3, power4 and rs64a entries.
15377         * config/rs6000/rs6000.h (MASK_64BIT): Expand comment.
15378
15379 2004-01-08  Richard Sandiford  <rsandifo@redhat.com>
15380
15381         * simplify-rtx.c (simplify_immed_subreg): Fix construction of
15382         floating-point constants.
15383
15384 2004-01-08  J. Brobecker  <brobecker@gnat.com>
15385
15386         * dwarf2out.c (subrange_type_die): Add context_die parameter.
15387         Create the subrange_type DIE using the given context DIE.
15388         (modified_type_die): Update call to subrange_type_die.
15389
15390 2004-01-08  Zack Weinberg  <zack@codesourcery.com>
15391
15392         * dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
15393         Add multiple-include guard.
15394
15395 2004-01-08  Hartmut Penner  <hpenner@de.ibm.com>
15396
15397         * gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
15398         all vector constant loadable by vsplt*.
15399         (output_vec_const_move): Likewise.
15400
15401 2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>
15402
15403         PR c/6024
15404         * c-typeck.c (comptypes): Only treat enumerated types in the same
15405         translation unit as compatible with each other when they are the
15406         same type.
15407         * doc/extend.texi: Update.
15408
15409 2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>
15410
15411         PR c/12165
15412         * c-decl.c (grokdeclarator): Take type qualifiers of typedefed
15413         array type from the array element type.
15414
15415 2004-01-07  Alan Modra  <amodra@bigpond.net.au>
15416
15417         * config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
15418         * config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
15419         * config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
15420         (DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
15421         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.
15422
15423 2004-01-06  Eric Christopher  <echristo@redhat.com>
15424
15425         * config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
15426         (DWARF2_DEBUGGING_INFO): Define.
15427         (PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
15428         * config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
15429         * config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
15430         for irix as.
15431         (SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
15432         * config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
15433         * config/mips/iris5gas.h: Ditto.
15434         (DBX_DEBUGGING_INFO): Remove.
15435         (DWARF2_DEBUGGING_INFO): Ditto.
15436         (MIPS_DEBUGGING_INFO): Ditto.
15437         (PREFERRED_DEBUGGING_TYPE): Ditto.
15438         * config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
15439         (PREFERRED_DEBUGGING_TYPE): Ditto.
15440         (SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
15441         * config/mips/elf64.h: Ditto.
15442
15443 2004-01-06  Jan Hubicka  <jh@suse.cz>
15444
15445         * Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
15446         (STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.
15447
15448 2004-01-06  Geoffrey Keating  <geoffk@apple.com>
15449
15450         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
15451         (TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
15452         * config/rs6000/darwin-ldouble.c: New.
15453
15454         * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
15455         for constants.
15456         (constant_subword): Delete.
15457         * rtl.h (constant_subword): Delete prototype.
15458         (immed_double_const): Is not in varasm.c.
15459         * simplify-rtx.c (simplify_immed_subreg): New.
15460         (simplify_subreg): Use simplify_immed_subreg.
15461
15462         * config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
15463         than trying to generate RTL directly.
15464         (fix_trunctfsi2): Use expand_fix rather than trying to generate
15465         RTL directly.
15466
15467         * dwarf2out.c (add_const_value_attribute): Remove incorrect comment.
15468
15469 2004-01-06  David Edelsohn  <edelsohn@gnu.org>
15470
15471         * config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
15472         function into a separate macro.
15473         (read_only_data_section): Add void argument.
15474         (private_data_section): Same.
15475         (read_only_private_data_section): Same.
15476         (toc_section): Same.
15477
15478 2004-01-06  Jan Hubicka  <jh@suse.cz>
15479
15480         * invoke.texi:  Remove typo in last change.
15481
15482         PR target/10301
15483         * config.gcc: Accept opteron and athlon-64 as variants
15484         of k8.
15485         * i386.c (override_options): Likewise.
15486         * invoke.texi (i386 -mtune): Expand documentation.
15487
15488 2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>
15489
15490         * alias.c: Fix comment typos.
15491         * builtins.c: Likewise.
15492         * cfg.c: Likewise.
15493         * df.c: Likewise.
15494         * dominance.c: Likewise.
15495         * dwarf2out.c: Likewise.
15496         * emit-rtl.c: Likewise.
15497         * expr.c: Likewise.
15498         * final.c: Likewise.
15499         * fold-const.c: Likewise.
15500         * gcse.c: Likewise.
15501         * genattrtab.c: Likewise.
15502         * genrecog.c: Likewise.
15503         * gensupport.c: Likewise.
15504         * ggc-zone.c: Likewise.
15505         * integrate.c: Likewise.
15506         * local-alloc.c: Likewise.
15507         * loop.c: Likewise.
15508         * recog.c: Likewise.
15509         * regmove.c: Likewise.
15510         * reg-stack.c: Likewise.
15511         * reorg.c: Likewise.
15512         * rtlanal.c: Likewise.
15513         * rtl.h: Likewise.
15514         * sched-ebb.c: Likewise.
15515         * simplify-rtx.c: Likewise.
15516         * toplev.c: Likewise.
15517         * varasm.c: Likewise.
15518
15519 2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>
15520
15521         * doc/install.texi: Fix typos.
15522         * doc/invoke.texi: Likewise.
15523         * doc/md.texi: Likewise.
15524
15525 2004-01-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
15526
15527         * config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed
15528
15529 2004-01-06  Jan Hubicka  <jh@suse.cz>
15530
15531         * i386.c (init_cumulative_args):  Add handling of MMX_REGPARM.
15532         (function_arg_advance):  Do not pass aggregates in SSE; deal handling
15533         of MMX_REGPARM.
15534         (function_arg): Add new warnings about ABI changes;  fix SSE_REGPARM;
15535         add MMX_REGPARM.
15536         * i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
15537         (SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
15538         (MMX_REGPARM_MAX): Similarly for -mmmx.
15539
15540 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15541
15542         * config/sh/linux.h: Fix comment formatting.
15543         * config/sh/netbsd-elf.h: Likewise.
15544         * config/sh/sh.c: Likewise.
15545         * config/sh/sh.h: Likewise.
15546         * config/sh/vxworks.h: Likewise.
15547
15548 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15549
15550         * system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
15551         * toplev.c (output_file_directive): Don't use
15552         ASM_OUTPUT_MAIN_SOURCE_FILENAME.
15553
15554 2004-01-05  Steven Bosscher <s.bosscher@student.tudelft.nl>
15555
15556         * toplev.c: Fix broken checkin of 2003-12-30.
15557
15558 2004-01-05  Daniel Berlin  <dberlin@dberlin.org>
15559
15560         * ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
15561         (USING_MMAP): We don't support non-mmap.
15562         (struct alloc_chunk): Steal 1 bit from typecode, use it to mark
15563         large objects.
15564         (struct page_entry): Remove bytes_free.
15565         (struct page_table_chain): Remove.
15566         (struct globals): Remove page_table member.
15567         (loookup_page_table_entry): Function deleted.
15568         (set_page_table_entry): Ditto.
15569         (ggc_allocated_p): No longer need page table lookups.
15570         (ggc_marked_p): Ditto.
15571         (alloc_small_page): Don't care about bytes_free anymore.
15572         (alloc_large_page): Round up size.
15573         (ggc_alloc_zone_1): Mark large objects as such, and calculate
15574         their size the new way.
15575         Remove page table lookups and setting.
15576         (ggc_get_size): Calculate large object size the new way.
15577         (sweep_pages): Redo to account for fact that we no longer have
15578         bytes_free.
15579         (ggc_collect): No longer need to reincrement bytes_free.
15580         (ggc_pch_alloc_object): Handle new large objects properly.
15581         (ggc_pch_read): Put PCH stuff into it's own uncollected zone.
15582
15583 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15584
15585         * doc/invoke.texi: Remove a page break.
15586
15587 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15588
15589         * config/avr/avr.c (avr_output_function_prologue): Remove an
15590         extra pair of curly braces.
15591
15592 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15593
15594         * config/mn10300/mn10300.c: Fix comment formatting.
15595         * config/mn10300/mn10300.h: Likewise.
15596
15597 2004-01-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15598
15599         * tree.h: Update documentation on nothrow_flag.
15600         * print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
15601         types.
15602
15603 2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>
15604
15605         * doc/invoke.texi: Remove traces of dead ports.
15606
15607 2004-01-05  Richard Sandiford  <rsandifo@redhat.com>
15608
15609         * doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
15610         option.
15611
15612 2004-01-05  Richard Sandiford  <rsandifo@redhat.com>
15613
15614         PR target/12945
15615         * coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
15616         counter labels.
15617         * config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
15618         (mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
15619         string constants if TARGET_MIPS16.  Use SYMBOL_REF_DECL to check
15620         the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
15621         (mips_symbol_insns): Don't trust the local/global classification.
15622         (m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
15623         (override_options): Make -mabicalls -fno-unit-at-a-time imply
15624         -mno-explicit-relocs.
15625         (mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
15626         between local and global symbols.
15627
15628 2004-01-05  Richard Sandiford  <rsandifo@redhat.com>
15629
15630         * config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
15631         (mips_preferred_reload_class): Declare.
15632         * config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
15633         (EXTRA_CONSTRAINT): Update accordingly.
15634         (PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
15635         * config/mips/mips.c (mips_dangerous_for_la25_p): New function.
15636         (mips_preferred_reload_class): New function.  Prefer LEA_REGS if
15637         mips_dangerous_for_la25_p.
15638         (mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
15639         if mips_dangerous_for_la25_p.
15640
15641 2004-01-05  Bernardo Innocenti  <bernie@develer.com>
15642
15643         * config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
15644         warning.
15645
15646 2004-01-04  Nathanael Nerode  <neroden@gcc.gnu.org>
15647
15648         * configure.ac: Use AC_PROG_CPP_WERROR.
15649         * configure: Regenerate.
15650
15651 2004-01-04  Zack Weinberg  <zack@codesourcery.com>
15652
15653         * .cvsignore: Add autom4te.cache.
15654
15655 2004-01-04  Richard Sandiford  <rsandifo@redhat.com>
15656
15657         * doc/invoke.texi: Revamp documentation of MIPS options.  Remove
15658         -mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
15659         -m4650, -mfix7000 and -(m)no-crt0.  Put endianness options first,
15660         then architecture options, then ABI options.  General rewording.
15661
15662 2004-01-04  Joseph S. Myers  <jsm@polyomino.org.uk>
15663
15664         PR c/3414
15665         * doc/extend.texi: Clarify definition of malloc attribute.
15666
15667 2004-01-04  Jan Hubicka  <jh@suse.cz>
15668
15669         * Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
15670         * cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
15671         * cgraph.h (cgraph_edge): Replace inline_call by inline_failed
15672         (cgraph_inline_p): Add extra argument reason.
15673         * cgraphunit.c: Minor formating fixes.
15674         cgraph_first_inlined_callee): New functions.
15675         (record_call_1): Record builtins too.
15676         (cgraph_analyze_function): Update inline_failed messages.
15677         (cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
15678         cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
15679         (cgraph_check_inline_limits): Likewise; Add argument reason.
15680         (cgraph_set_inline_failed): New static function.
15681         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
15682         reasons.
15683         (cgraph_inline_p): Add new argument reason.
15684         * tree-inline.c (expand_call_inline):  Update warning.
15685
15686 2004-01-03  Nathanael Nerode  <neroden@gcc.gnu.org>
15687
15688         * configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
15689         with modern equivalents.
15690         * configure: Regenerate.
15691
15692         * configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
15693         * aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
15694         * configure: Regenerate.
15695
15696         * doc/install.texi: Note that 'gcc' is now a 2.57 directory.
15697
15698         * configure.in: Rename to configure.ac.
15699         * configure.ac: Renamed from configure.in; make minimum necessary
15700         changes for autoconf 2.5x.
15701         * aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
15702         * configure: Regenerate with autoconf 2.57.
15703
15704 2004-01-03  Kazu Hirata  <kazu@cs.umass.edu>
15705
15706         * config/mips/linux.h: Fix comment formatting.
15707         * config/mips/mips.c: Likewise.
15708         * config/mips/mips.h: Likewise.
15709         * config/mips/mips.md: Likewise.
15710         * config/mips/netbsd.h: Likewise.
15711         * config/mips/windiss.h: Likewise.
15712
15713 2004-01-02  Richard Henderson  <rth@redhat.com>
15714
15715         * config/i386/i386.md (fp constant pool splitter): Reorg suppression
15716         for sse and 387; add suppression for mmx.
15717
15718 2004-01-02  Andrew Pinski  <pinskia@physics.uc.edu>
15719
15720         * loop.c (loop_optimize): Free all loops_info's mems.
15721
15722         * c-typeck.c (finish_init): Free spelling_base before
15723         setting it again.
15724
15725         * cfgloop.c (flow_loops_find): Always free the sbitmap
15726         headers.
15727
15728         * predict.c (estimate_probability): Free bbs after being
15729         done with it.
15730
15731 2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>
15732
15733         * config/mn10300/mn10300.h (PREDICATE_CODES): Add
15734         const_8bit_operand and call_address_operand.
15735
15736 2004-01-02  Jan Hubicka  <jh@suse.cz>
15737
15738         * cgraphunit.c (cgraph_optimize_function):  Call optimize_inline_calls
15739         when there is nothing to inline but warnings are requested.
15740         (cgraph_decide_inlining):  Fix memory leak.
15741
15742 2004-01-02  Jan Hubicka  <jh@suse.cz>
15743
15744         * expr.c (store_constructor):  Fix pasto in previous patch.
15745
15746 2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>
15747
15748         * config/i386/cygming.h: Fix comment formatting.
15749         * config/i386/djgpp.h: Likewise.
15750         * config/i386/gthr-win32.c: Likewise.
15751         * config/i386/i386-interix.h: Likewise.
15752         * config/i386/i386.c: Likewise.
15753         * config/i386/i386.h: Likewise.
15754         * config/i386/openbsd.h: Likewise.
15755         * config/i386/winnt.c: Likewise.
15756         * config/i386/xm-mingw32.h: Likewise.
15757
15758 2004-01-02  Joseph S. Myers  <jsm@polyomino.org.uk>
15759
15760         * doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
15761         copyright and last modification dates.
15762
15763 2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>
15764
15765         * doc/install.texi (Specific): Mention x86_64.
15766
15767 2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
15768
15769         * builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
15770         Call force_operand on plus_constant result.
15771
15772 2004-01-01  Jan Hubicka  <jh@suse.cz>
15773
15774         * expmed.c (store_bit_field, extract_bit_field): Use new named patterns
15775         * expr.c (store_constructor): Use vec_init pattern.
15776         * genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
15777         * optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
15778         (vec_set_optab, vec_extract_optab, vec_init_optab): New.
15779         * i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
15780         New patterns.
15781         (sse2_unpc?pd): Fix pattern.
15782         (sse2_movlpd): Kill.
15783         (sse2_movsd): Deal with movlpd too.
15784         * i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
15785         (ix86_expand_vector_init): New.
15786         * emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
15787         * md.texi (vec_set, vec_extract): Document
15788
15789 2003-12-31  Jan Hubicka  <jh@suse.cz>
15790
15791         PR opt/13473
15792         * recog.c (validate_replace_rtx_1):  Take care for RTL sharing inside
15793         ASM input operands
15794
15795         PR opt/12617
15796         * toplev.c (dump_file_index): Reorder ce3 and bbro.
15797         (dump_file): Likewise.
15798         (rest_of_compilation): Likewise.
15799
15800         PR debug/13367
15801         * cgraph.c (cgraph_function_possibly_inlined):  Even with
15802         flag_really_no_inline we inline always_inline functions.
15803         * cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
15804         for non-always_inline functions when there is flag_really_no_inline.
15805         (cgraph_decide_inlining): Limit work done when not inlining.
15806         (cgraph_decide_inlining_incrementally): Likewise.
15807         (cgraph_optimize_function): Check whether something got inlined.
15808         * c-objc-common.c (c_disregard_inline_limits): Do not always inline
15809         extern inline functions when not inlining.
15810
15811         * opts.c (decode_options):  Disable crossjumping at -O1
15812         * invoke.texi (-O1): Document change.
15813
15814 See ChangeLog.10 for earlier changes.