gcc/ChangeLog

   1 2005-03-28  Jan Hubicka  <jh@suse.cz>
   2
   3         PR middle-end/20635
   4         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
   5         as needed.
   6
   7         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
   8         types where possible.
   9
  10 2005-03-26  Per Bothner  <per@bothner.com>
  11
  12         Make -f[no-]show-column also control non-cpp diagnostics.
  13         * c.opt (fshow-column): Move option from here ...
  14         * common.opt (fshow-column): ... to here.
  15         * diagnostic.c (diagnostic_build_prefix): Only print column number
  16         if flag_show_column.
  17
  18 2005-03-27  Steven Bosscher  <stevenb@suse.de>
  19
  20         * vax-protos.h (vax_output_int_move, vax_output_int_add,
  21         vax_output_conditional_branch): New prototypes.
  22         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
  23         extracted from vax.md mov and add patterns.
  24         (vax_output_conditional_branch): New function to output conditional
  25         branch instructions.
  26         * vax.md: Use mode macros for arithmetic and mov patterns.
  27         Use code macros for the jump patterns.
  28
  29 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
  30
  31         * Makefile.in (libbackend.o): Depend on version files;
  32         add custom generation command.
  33
  34 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
  35
  36         PR target/20636
  37         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
  38         sure that we have a REG before getting its REGNO.
  39
  40 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  41
  42         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
  43         * builtins.def (BUILT_IN_STRNDUP): New.
  44
  45 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
  46
  47         PR tree-optimization/20470
  48         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
  49         ABS(x-y).
  50
  51 2005-03-25  Mike Stump  <mrs@apple.com>
  52
  53         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
  54         sized objects.
  55
  56 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
  57
  58         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
  59         Use our own structure definitions.
  60
  61         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
  62         (fix_truncdfsi2): Allow registers or memory as destination.
  63         When TARGET_PPC_GFXOPT, generate simplified pattern.
  64         (fix_truncdfsi2_internal): Use define_insn_and_split.
  65         (fix_truncdfsi2_internal_gfxopt): New.
  66         (fctiwz): Don't confuse register allocation by giving it no choices.
  67         (stfiwx): New.
  68         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
  69         (EXTRA_MEMORY_CONSTRAINT): Likewise.
  70         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
  71         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
  72
  73 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
  74
  75         * dominance.c (free_dominance_info): Speed up by freeing et
  76         data structures without maintaining other nodes.
  77         * et-forest.c (et_free_tree_force): New.
  78         * et-forest.h: Add a prototype for et_free_tree_force.
  79
  80         * tree.c (get_set_constructor_bits,
  81         get_set_constructor_bytes): Remove.
  82         * tree.h: Remove the corresponding prototypes.
  83
  84 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
  85
  86         PR target/15491
  87         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
  88         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
  89         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
  90         PRE_DEC, NEG and NOT.
  91
  92 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
  93
  94         * fold-const.c: Convert uses of fold (build (...)) to
  95         fold_buildN.
  96
  97 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
  98
  99         PR rtl-optimization/20249
 100         * cse.c (insert_regs): Do not record equivalence of registers in
 101         different modes.
 102
 103 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
 104
 105         * emit-rtl.c (reverse_comparison): Remove.
 106         * rtl.h: Remove the corresponding prototype.
 107
 108 2005-03-24  James E Wilson  <wilson@specifixinc.com>
 109
 110         * doc/install.texi (--enable-altivec): Delete docs.
 111
 112 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
 113
 114         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
 115         SFmode and DFmode before reload when
 116         flag_unsafe_math_optimizations not enabled.
 117
 118 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
 119
 120         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
 121
 122         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
 123         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
 124
 125 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
 126
 127         * configure.ac (enable-checking): Add 'runtime' option.
 128         * doc/install.texi (enable-checking): Document 'runtime' checking.
 129         * tsystem.h (gcc_assert, gcc_unreachable): Define.
 130         * config.in: Regenerated.
 131         * configure: Regenerated.
 132
 133 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
 134
 135         * optabs.h (enum optab_index): Remove OTI_llrint.
 136         (llrint_optab): Remove macro.
 137         * optabs.c (init_optabs): Remove llrint_optab initialization.
 138         * genopinit.c (optabs): Remove llrint_optab implementation.
 139         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
 140         using lrint_optab.
 141
 142 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
 143
 144         PR rtl-optimization/20532
 145         * simplify-rtx.c (simplify_binary_operation_1): Protect from
 146         overflow when adding coefficients for PLUS or MINUS.
 147         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
 148         two as multiplier.
 149
 150 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 151
 152         * langhooks.h (truthvalue_conversion): Remove.
 153         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
 154         LANG_HOOKS_TRUTHVALUE_CONVERSION.
 155         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
 156         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
 157         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
 158
 159 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
 160
 161         * params.def: Fix a typo.
 162         * config/mips/mips.c: Follow the spelling convensions.
 163         * doc/invoke.texi: Fix typos.
 164
 165 2005-03-18  Dale Johannese  <dalej@apple.com>
 166
 167         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
 168
 169 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
 170
 171         Fix PR tree-optimization/20601
 172
 173         * tree-ssa-pre.c (insert_aux): Add missing condition to
 174         constification.
 175
 176 2005-03-23  Ian Lance Taylor  <ian@airs.com>
 177
 178         * final.c (final_scan_insn): Don't remove no-op instructions.
 179         * reload1.c (reload): Remove simple no-op instructions even when
 180         not optimizing.
 181
 182 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
 183
 184         PR tree-optimization/20501
 185         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
 186         reporting that peeling for alignment is applied moved to...
 187         * (vect_analyze_data_refs_alignment): Here.
 188
 189 2005-03-23  Ian Lance Taylor  <ian@airs.com>
 190
 191         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
 192
 193 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 194
 195         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
 196         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
 197
 198 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
 199
 200         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
 201         imply that this is called once, independent of asms in code.
 202         Adjust to now being pased output and input lists.  Mention helper
 203         function decl_overlaps_hard_reg_set_p.
 204         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
 205         hook_tree_tree_identity and to take three trees, returning third.
 206         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
 207         prototype.
 208         * stmt.c: include hard-reg-set.h before tree.h.
 209         (decl_overlaps_hard_reg_set_p): New function, broken out from...
 210         (decl_conflicts_with_clobbers_p): Call
 211         decl_overlaps_hard_reg_set_p.
 212         (expand_asm_operands): Pass output and input lists in call to
 213         targetm.md_asm_clobbers.
 214         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
 215         hook_tree_tree_tree_tree_3rd_identity.
 216         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
 217         parameters.
 218         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
 219         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
 220         parameters, first two unused.
 221         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
 222         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
 223         in constraint letters and MOF is not mentioned as a asm-declared
 224         register in neither of the input and output lists.
 225
 226 2005-03-23  DJ Delorie  <dj@redhat.com>
 227
 228         * optabs.c (expand_binop): Make sure the first subword's result
 229         gets stored.
 230
 231 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 232
 233         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
 234         Call c_common_truthvalue_conversion rather than
 235         lang_hooks.truthvalue_conversion.
 236         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
 237         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
 238         c-typeck.c.
 239         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
 240         c_common_truthvalue_conversion.
 241         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
 242         c_parser_conditional_expression, c_parser_binary_expression): Call
 243         c_objc_common_truthvalue_conversion.
 244         * c-typeck.c (build_unary_op): Call
 245         c_objc_common_truthvalue_conversion.
 246         (build_conditional_expr): Do not call
 247         lang_hooks.truthvalue_conversion.
 248         (build_binary_op): Call c_common_truthvalue_conversion.
 249         (c_objc_common_truthvalue_conversion): Moved from
 250         c-objc-common.c.  Call default_function_array_conversion instead
 251         of default_conversion.
 252
 253 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 254
 255         * c-common.h (default_conversion): Remove.
 256         (perform_integral_promotions): Add.
 257         * c-tree.h (default_conversion): Add.
 258         * c-typeck.c (perform_integral_promotions): New, split out from
 259         default_conversion.
 260         * c-common.c (check_case_value): Use perform_integral_promotions,
 261         not default_conversion.
 262         (c_add_case_label): Don't continue processing case label after
 263         found to be pointer.
 264
 265 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
 266
 267         * gcc.c (do_spec_1): Do not add a -L path for a directory in
 268         the prefix list if we have already added a multilib directory
 269         based on that path.
 270         (main): Do not add MD_EXEC_PREFIX to the list of directories to
 271         search with -L.
 272
 273 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 274
 275         * reload1.c (indirect_symref_ok, reload_obstack): Make them
 276         static.
 277         * reload.h: Remove the prototype for indirect_symref_ok.
 278
 279         * reload1.c (indirect_symref_ok): Make it global.
 280         * reload.h: Add a prototype for indirect_symref_ok.
 281
 282 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 283
 284         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
 285         ashlhi3 expander.
 286
 287 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 288
 289         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
 290
 291 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
 292
 293         * c-opts.c (c_common_parse_file): Only start/end main source file
 294         if debug hooks says the writer wants it.
 295         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
 296         member.
 297         (xcoff_debug_hooks): Ditto.
 298         * debug.c (do_nothing_hooks): Ditto.
 299         * debug.h (gcc_debug_hooks): Ditto.
 300         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
 301         * sdbout.c (sdb_debug_hooks): Ditto.
 302         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
 303
 304 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
 305
 306         * doc/extend.texi: Deprecate C++ min/max operators.
 307
 308 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
 309
 310         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
 311         artificial original candidates.
 312
 313 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
 314             Jan Hubicka  <jh@suse.cz>
 315             Steven Bosscher <stevenb@suse.de>
 316
 317         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
 318         call cost based on argument sizes.
 319         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
 320         inlining.
 321         * params.def: (max-inline-inssn-single): Set to 450.
 322         (max-inline-insns-auto): Set to 90.
 323         (max-inline-insns-recursive): Set to 450
 324         (max-inline-insns-recursive-auto): Set to 450.
 325         (large-function-insns): Set to 2700.
 326         (inline-call-cost): New parameter.
 327         * tree-inline.c (estimate_move_cost): New function.
 328         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
 329         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
 330         based on arguments.
 331         * tree-inline.h (estimate_move_cost): Declare.
 332         * invoke.texi: (max-inline-inssn-single): Change default to 450.
 333         (max-inline-insns-auto): Change default to 90.
 334         (max-inline-insns-recursive): Change default to 450
 335         (max-inline-insns-recursive-auto): Change default to 450.
 336         (large-function-insns): Change default to 2700.
 337         (inline-call-cost): Document new parameter.
 338
 339 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 340
 341         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
 342         (TARGET_DEFAULT): Delete.
 343         * config/i860/i860.opt: New file.
 344
 345 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 346
 347         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
 348         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 349         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 350         (frv_sched_lookahead): Delete.
 351         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
 352         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
 353         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
 354         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
 355         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
 356         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
 357         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
 358         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
 359         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
 360         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
 361         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
 362         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
 363         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
 364         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
 365         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
 366         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
 367         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
 368         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
 369         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
 370         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
 371         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
 372         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
 373         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
 374         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 375         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 376         (frv_sched_lookahead): Delete.
 377         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
 378         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 379         (frv_handle_option): New function.  Move -mcpu= handling from...
 380         (frv_override_options): ...here.  Remove handling of other
 381         TARGET_OPTIONS.
 382         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
 383         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
 384         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
 385         and TARGET_NO_MULTI_CE.
 386         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
 387         !TARGET_VLIW_BRANCH.
 388         * config/frv/frv.opt: New file.
 389
 390 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 391
 392         * fold-const.c (fold_ternary): Take decomposed arguments of
 393         CALL_EXPR.
 394         (fold): Update a call to fold_ternary.
 395
 396         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
 397         * tree.h: Add corresponding prototypes.
 398
 399 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
 400
 401         PR target/20561
 402         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
 403         between jump table and its label.
 404         * final.c (shorten_branches): Handle notes in between ADDR_VEC
 405         resp. ADDR_DIFF_VEC and the label preceeding it.
 406         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
 407         is emitted in the right section.
 408
 409 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 410
 411         * fold-const.c (fold_unary, fold_binary): Update comments
 412         about arguments.
 413
 414 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
 415
 416         PR rtl-optimization/20527
 417         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
 418         REG_INC note, test that the register also isn't mentioned in PRED
 419         or SUCC.
 420
 421 2005-03-22  Ben Elliston  <bje@au.ibm.com>
 422
 423         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
 424         and definition.
 425
 426 2005-03-21  Mike Stump  <mrs@apple.com>
 427
 428         * varasm.c (default_assemble_visibility): Remove extra ().
 429
 430 2005-03-21  Roger Sayle  <roger@eyesopen.com>
 431
 432         PR middle-end/20557
 433         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
 434         to determine whether a block can be duplicated, rather than test
 435         whether the block contains noncopyable insns ourselves.
 436
 437 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 438
 439         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
 440         predicates.
 441
 442 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 443
 444         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
 445
 446 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 447
 448         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
 449         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
 450         * config/fr30/fr30.opt: New file.
 451
 452 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
 453
 454         Fix PR tree-optimization/20542
 455
 456         * tree-flow-inline.h (overlap_subvar): Move to here.
 457         * tree-ssa-operands.c: From here.
 458         * tree-flow.h (overlap_subvar): Declare.
 459         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
 460         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
 461         for variables with subvars.
 462
 463 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
 464
 465         PR middle-end/20177
 466         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
 467         * modulo-sched.c (const_iteration_count): Return on NULL
 468         pre-header.
 469         (print_node_sched_params): Return on NULL dump_file.
 470         (generate_reg_moves): Handle reg-anti dependencies and disregard
 471         closing branch when generating register moves.
 472         (sms_schedule): Mark the SMSed block dirty.
 473         * passes.c (rest_of_handle_sms): Call update_life_info for all
 474         basic-blocks.
 475         * testsuite/gcc.dg/20050321-1.c: New test.
 476
 477 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 478
 479         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
 480         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
 481         movqi_internal): Likewise.
 482
 483 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 484
 485         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
 486         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
 487         xtensa_b4const): Delete prototypes.
 488         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
 489         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
 490         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
 491         xtensa_extra_constraint): New prototypes.
 492         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 493         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 494         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 495         move_operand, const_float_1_operand, fpmem_offset_operand,
 496         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
 497         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
 498         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
 499         argument type to HOST_WIDE_INT.
 500         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
 501         xtensa_mask_immediate): Likewise.
 502         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
 503         Likewise.  Also make these functions static.
 504         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
 505         (xtensa_const_ok_for_letter_p): New.
 506         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 507         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 508         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 509         move_operand, const_float_1_operand, fpmem_offset_operand,
 510         branch_operator, ubranch_operator, boolean_operator): Move to
 511         predicates.md.
 512         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
 513         (xtensa_mem_offset): Change return type to bool.
 514         (xtensa_extra_constraint): New.
 515         (gen_int_relational): Update type of const_range_p function pointer.
 516         Use xtensa_b4const_or_zero.
 517         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
 518         xtensa_const_ok_for_letter_p.  Update comments.
 519         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
 520         (PREDICATE_CODES): Delete.
 521         * config/xtensa/xtensa.md: Include predicates.md.
 522         * config/xtensa/predicates.md: New file.
 523
 524 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 525
 526         * config/v850/v850-protos.h: Remove the prototypes for
 527         reg_or_int9_operand, reg_or_const_operand,
 528         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
 529         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
 530         movsi_source_operand, power_of_two_operand,
 531         not_power_of_two_operand, special_symbolref_operand,
 532         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
 533         register_is_ok_for_epilogue.
 534         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
 535         reg_or_int9_operand, reg_or_const_operand,
 536         call_address_operand, special_symbolref_operand,
 537         movsi_source_operand, power_of_two_operand,
 538         not_power_of_two_operand, register_is_ok_for_epilogue,
 539         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
 540         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
 541         predicates.md.
 542         * config/v850/v850.h (PREDICATE_CODES): Remove.
 543         * config/v850/v850.md: Include predicates.md.
 544         * config/v850/predicates.md: New.
 545
 546 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 547
 548         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
 549         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
 550         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
 551         (itoolsdir, itoolsdatadir): Move definition above new first use.
 552         (install-itoolsdirs): New rule.
 553         (install-mkheaders): Depend on install-itoolsdirs, not
 554         install-include-dir.
 555
 556 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 557
 558         * tree-into-ssa.c: Remove obsolete comments.
 559
 560 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
 561
 562         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
 563         unrolling if -fpeel-loops is specified, too.
 564         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 565         Remove superfluous check for flag_unroll_loops.
 566
 567 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
 568
 569         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
 570         (lrint_optab, llrint_optab): Define corresponding macros.
 571         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
 572         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
 573         pattern and llrint_optab using llrintdi2 patterns.
 574         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
 575         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
 576         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
 577         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
 578         flag_unsafe_math_optimizations is set.
 579
 580 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 581
 582         * combine.c (combine_simplify_rtx, simplify_if_then_else,
 583         simplify_logical, if_then_else_cond, known_cond,
 584         simplify_comparison): Adjust calls to reverse_comparison.
 585         Don't use combine_reversed_comparison_code).
 586         (combine_reversed_comparison_code): Remove.
 587         (reversed_comparison): Using reversed_comparison_code, move it...
 588         * jump.c (reversed_comparison): ... here.
 589         * rtl.h (reversed_comparison): Add prototype.
 590
 591 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 592
 593         * builtins.c (fold_builtin): Take decomposed arguments of
 594         CALL_EXPR.
 595         * fold-const.c (fold_ternary): Update a call to fold_builtin.
 596         * gimplify.c (gimplify_call_expr): Likewise.
 597         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
 598         * tree.h: Update the prototype of fold_builtin.
 599
 600 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 601
 602         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
 603         * rtlhooks.c (gen_lowpart_no_emit_general): New.
 604         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
 605         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
 606         * simplify-rtx.c (simplify_binary_operation_1): Use it.
 607
 608 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 609
 610         * builtins.c (fold_builtin_1): Take decomposed arguments of
 611         CALL_EXPR.
 612         (fold_builtin): Update a call to fold_builtin_1.
 613
 614 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
 615
 616         PR other/20564
 617         * gcov.c (output_lines): Only output function block summary when
 618         outputting branch information.
 619         * doc/gcov.texi: Document format of preamble and additional block
 620         information lines.
 621
 622 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 623
 624         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
 625         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
 626         the defaults false if BITS_PER_UNIT != 8.
 627         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
 628         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
 629         than BITS_PER_UNIT != 8.
 630         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
 631         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
 632         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
 633         #undefs.
 634         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
 635         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
 636
 637 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 638
 639         PR middle-end/20539
 640         * fold-const.c (fold_binary): Fix type mismatch between
 641         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
 642         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
 643         for non-truth-valued expressions.
 644
 645         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
 646         and FUNCTION_DECL in the main switch.
 647         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
 648         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
 649         we also need to convert their operands to match.
 650         <TRUTH_NOT_EXPR>: Likewise.
 651
 652 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
 653
 654         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
 655         diagnostic without checking whether an lvalue.
 656         * c-common.h (lvalue_p): Remove.
 657         (enum lvalue_use): Update comment.
 658         (lvalue_or_else): Replace by lvalue_error.
 659         * c-typeck.c (lvalue_p): Make static.
 660         (lvalue_or_else): New.  Call lvalue_error.
 661
 662 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
 663
 664         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
 665         (function_arg_advance): Use rs6000_parm_start.
 666         (function_arg, rs6000_arg_partial_bytes): Likewise.
 667
 668 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 669
 670         * c-common.c (check_case_value): Adjust comment about stripping
 671         NOPs.
 672         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
 673         * c-typeck.c (default_conversion, convert_arguments,
 674         build_modify_expr, convert_for_assignment, store_init_value,
 675         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
 676         manually.  Remove inaccurate comments.
 677
 678 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 679             Joseph S. Myers  <joseph@codesourcery.com>
 680
 681         * varasm.c (do_assemble_alias): Restore comment describing function.
 682         Annotate the target parameter as potentially unused.
 683
 684 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 685
 686         PR target/18551
 687         * config/avr/avr.c (avr_output_function_prologue): Do not use
 688         current_function_name() in a label, use a local label instead.
 689
 690 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
 691
 692         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
 693         flag_finite_math_only, not flag_unsafe_math_optimizations.
 694
 695 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 696
 697         * builtins.c (fold_builtin_1): Update a call to
 698         targetm.fold_builtin.
 699         * hooks.c (hook_tree_tree_bool_null): Rename to
 700         hook_tree_tree_tree_bool_null.  Take one more argument of type
 701         tree.
 702         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
 703         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
 704         hook_tree_tree_tree_bool_null.
 705         * target.h (gcc_target): Update the prototype of fold_builtin.
 706         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
 707         arguments of CALL_EXPR.
 708         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
 709         new prototype.
 710
 711 2005-03-20  Jan Hubicka  <jh@suse.cz>
 712
 713         * cgraph.h (cgraph_node): Add prev_clone pointer.
 714         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
 715         (cgraph_clone_node): Produce doubly linked chain.
 716
 717 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 718
 719         * c-common.c (handle_aligned_attribute, check_function_sentinel,
 720         get_nonnull_operand, handle_sentinel_attribute,
 721         check_function_arguments_recurse): Do not strip NOPS from
 722         INTEGER_CSTs.
 723         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
 724         Likewise.
 725         * c-format.c (get_constant): Likewise.
 726         * c-parser.c (c_parser_postfix_expression): Likewise.
 727         * c-typeck.c (set_init_index): Likewise.
 728         (convert_arguments): Don't check for NOP_EXPR containing integer
 729         constant.
 730
 731 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 732
 733         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
 734         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
 735         Take decomposed arguments of CALL_EXPR.
 736         (fold_builtin_1): Update calls to the functions mentioned
 737         above.
 738
 739 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 740
 741         * c-decl.c (check_bitfield_type_and_width): Require bit-field
 742         width to have integer type.
 743         (build_enumerator): Require enumerator value to have integer type.
 744
 745 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 746
 747         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
 748         to __builtin_inff.
 749
 750 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 751
 752         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
 753         std=iso9899:199x): Correct descriptions.
 754
 755 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 756
 757         * config.gcc: Consistently use solaris2.1[0-9]* instead of
 758         solaris2.1[0-9].
 759
 760 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
 761
 762         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
 763         of CALL_EXPR.
 764         (expand_builtin_memcpy, fold_builtin_1): Update calls to
 765         fold_builtin_memcpy.
 766
 767         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
 768         arguments of CALL_EXPR.
 769         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
 770         fold_builtin_found, fold_builtin_1): Update calls to
 771         fold_trunc_transparent_mathfn.
 772
 773 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 774
 775         PR middle-end/20493
 776         * fold-const.c (fold_widened_comparison): Don't optimize casts of
 777         function pointers on targets that require function pointer
 778         canonicalization.
 779         (fold_sign_changed_comparison): Likewise.
 780
 781 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 782
 783         * combine.c (try_combine): When changing the mode of a hard reg, make
 784         sure that doing so is valid.
 785
 786 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
 787
 788         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
 789         (TARGET_HANDLE_OPTION): Override default.
 790         (avr_handle_option): New function.
 791         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
 792         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
 793         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
 794         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
 795         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
 796         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
 797         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
 798         (TARGET_OPTIONS): Delete.
 799         * config/avr/avr.opt: New file.
 800
 801 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 802
 803         * config/m32r/m32r-protos.h: Remove the prototypes for
 804         call_address_operand, symbolic_operand, seth_add3_operand,
 805         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 806         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 807         two_insn_const_operand, move_src_operand,
 808         move_double_src_operand, move_dest_operand,
 809         eqne_comparison_operator, signed_comparison_operator,
 810         large_insn_p, conditional_move_operand, carry_compare_operand,
 811         m32r_block_immediate_operand, extend_operand,
 812         reg_or_eq_int16_operand, int8_operand, and
 813         reg_or_zero_operand.
 814         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 815         seth_add3_operand, int8_operand, cmp_int16_operand,
 816         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 817         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 818         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 819         move_double_src_operand, move_dest_operand,
 820         eqne_comparison_operator, signed_comparison_operator,
 821         extend_operand, small_insn_p, large_insn_p,
 822         conditional_move_operand, carry_compare_operand,
 823         m32r_block_immediate_operand): Move to predicates.md.
 824         (MAX_MOVE_BYTES): Move to m32r.h.
 825         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 826         * config/m32r/m32r.md: Include predicates.md.
 827         * config/m32r/predicates.md: New.
 828
 829 2005-03-18  James E Wilson  <wilson@specifixinc.com>
 830
 831         PR c++/19769
 832         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
 833         origin.
 834
 835 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 836
 837         * config/mn10300/mn10300-protos.h: Remove the prototypes for
 838         call_address_operand, const_8bit_operand.
 839         * config/mn10300/mn10300.c (call_address_operand,
 840         const_8bit_operand, const_1f_operand): Move to predicates.md.
 841         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
 842         * config/mn10300/mn10300.md: Include predicates.md.
 843         * config/mn10300/predicates.md: New.
 844
 845 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
 846
 847         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
 848         declarations in diagnostics and %E for identifiers, not %s.
 849
 850 2005-03-18  Jan Hubicka  <jh@suse.cz>
 851             Dale Johannesen  <dalej@apple.com>
 852
 853         * basic-block.h (scale_bbs_frequencies_int,
 854         scale_bbs_frequencies_gcov_type): Declare.
 855         * cfg.c (RDIV): New macro.
 856         (update_bb_frequency_for_threading): Fix.
 857         * basic-block.h (scale_bbs_frequencies_int,
 858         scale_bbs_frequencies_gcov_type): New.
 859         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
 860         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
 861         scale_bbs_frequencies_int.
 862         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
 863
 864 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 865
 866         * config/m32r/m32r-protos.h: Remove the prototypes for
 867         call_address_operand, symbolic_operand, seth_add3_operand,
 868         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 869         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 870         two_insn_const_operand, move_src_operand,
 871         move_double_src_operand, move_dest_operand,
 872         eqne_comparison_operator, signed_comparison_operator,
 873         large_insn_p, conditional_move_operand, carry_compare_operand,
 874         m32r_block_immediate_operand, extend_operand,
 875         reg_or_eq_int16_operand, int8_operand, and
 876         reg_or_zero_operand.
 877         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 878         seth_add3_operand, int8_operand, cmp_int16_operand,
 879         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 880         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 881         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 882         move_double_src_operand, move_dest_operand,
 883         eqne_comparison_operator, signed_comparison_operator,
 884         extend_operand, small_insn_p, large_insn_p,
 885         conditional_move_operand, carry_compare_operand,
 886         m32r_block_immediate_operand): Move to predicates.md.
 887         (MAX_MOVE_BYTES): Move to m32r.h.
 888         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 889         * config/m32r/m32r.md: Include predicates.md.
 890         * config/m32r/predicates.md: New.
 891
 892         * config/pa/pa-protos.h: Add prototypes for magic_milli and
 893         shadd_constant_p.
 894         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
 895         symbolic_operand, symbolic_memory_operand,
 896         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
 897         indexed_memory_operand, move_dest_operand, move_src_operand,
 898         prefetch_cc_operand, prefetch_nocc_operand,
 899         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
 900         arith_operand, arith11_operand, pre_cint_operand,
 901         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
 902         ireg_operand, int5_operand, uint5_operand, int11_operand,
 903         uint32_operand, arith5_operand, and_operand, ior_operand,
 904         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
 905         pc_or_label_operand, div_operand, plus_xor_ior_operator,
 906         shadd_operand, movb_comparison_operator,
 907         cmpib_comparison_operator): Move to predicates.md.
 908         (magic_milli, shadd_constant_p): Make it extern.
 909         * config/pa/pa.h (PREDICATE_CODES): Remove.
 910         * config/pa/pa.md: Include predicates.md.
 911         * config/pa/predicates.md: New.
 912
 913         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
 914         predicate.
 915
 916 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 917
 918         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
 919         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
 920         config/alpha/freebsd.h, config/alpha/linux.h,
 921         config/alpha/netbsd.h, config/alpha/osf5.h,
 922         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
 923         config/h8300/h8300-protos.h, config/h8300/h8300.c,
 924         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
 925         doc/cppopts.texi: Update copyright.
 926
 927 2005-03-18  Jan Hubicka  <jh@suse.cz>
 928
 929         PR middle-end/20225
 930         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
 931         too late.
 932         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
 933         called too late.
 934
 935 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 936
 937         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
 938         VEC_safe_push.
 939
 940 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
 941
 942         * combine.c (gen_binary): Remove.
 943         (known_cond, simplify_shift_const, find_split_point,
 944         combine_simplify_rtx, simplify_if_then_else, simplify_set,
 945         simplify_logical, expand_field_assignment, extract_left_shift,
 946         force_to_mode, if_then_else_cond, apply_distributive_law,
 947         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
 948         simplify_comparison, reversed_comparison): Replace with
 949         simplify_gen_binary, simplify_gen_relational or
 950         distribute_and_simplify_rtx.
 951         (distribute_and_simplify_rtx): New function.
 952
 953 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
 954             Paolo Bonzini  <gcc.gnu.org>
 955
 956         * calls.c (setjmp_call_p, special_function_p): Update comments
 957         at the head of the functions.
 958
 959 2005-03-18  Jan Hubicka  <jh@suse.cz>
 960
 961         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
 962
 963         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
 964         function body should be released; do not proactively release function
 965         bodies in non-unit-at-a-time mode.
 966
 967 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
 968
 969         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
 970         mno-fp-ret-in-387 multilib variants.
 971
 972 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
 973
 974         * common.opt (m): Remove.
 975         * opts.c (handle_option): Pass 'm' options to set_target_switch if
 976         table lookup fails.
 977         (common_handle_option): Remove OPT_m case.
 978
 979 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 980
 981         * builtins.c (fold_builtin_bitop): Take decomposed arguments
 982         of CALL_EXPR.
 983         (fold_builtin_1): Update a call to fold_builtin_bitop.
 984
 985         * builtins.c (fold_builtin_signbit): Take decomposed arguments
 986         of CALL_EXPR.
 987         (fold_builtin_1): Update a call to fold_builtin_signbit.
 988
 989 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
 990
 991         PR tree-optimization/20474
 992         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
 993         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
 994
 995 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 996
 997         * config/h8300/h8300-protos.h: Remove prototypes for
 998         general_operand_src, general_operand_dst, single_one_operand,
 999         single_zero_operand, call_insn_operand,
1000         two_insn_adds_subs_operand, small_call_insn_operand,
1001         jump_address_operand, bit_operand, bit_memory_operand,
1002         stack_pointer_operand, const_int_gt_2_operand,
1003         const_int_ge_8_operand, const_int_qi_operand,
1004         const_int_hi_operand, incdec_operand, bit_operator,
1005         nshift_operator, eqne_operator, gtle_operator,
1006         gtuleu_operator, iorxor_operator.
1007         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1008         h8300_ldm_stm_parallel.
1009         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1010         h8300-protos.h.
1011         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1012         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1013         (h8300_ldm_stm_parallel): Make it extern.
1014         (h8300_ldm_parallel, h8300_stm_parallel,
1015         h8300_return_parallel, general_operand_src,
1016         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1017         nibble_operand, reg_or_nibble_operand, single_one_operand,
1018         single_zero_operand, call_insn_operand,
1019         two_insn_adds_subs_operand, small_call_insn_operand,
1020         jump_address_operand, bit_operand, bit_memory_operand,
1021         stack_pointer_operand, const_int_gt_2_operand,
1022         const_int_ge_8_operand, const_int_qi_operand,
1023         const_int_hi_operand, incdec_operand, eqne_operator,
1024         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1025         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1026         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1027         nshift_operator): Move to predicates.md.
1028         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1029         * config/h8300/h8300.md: Include predicates.md.
1030         * config/h8300/predicates.md: New.
1031
1032 2005-03-17  Richard Henderson  <rth@redhat.com>
1033
1034         * config.gcc (ia64*-*-hpux*): Add extra_options.
1035         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1036         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1037         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1038         (ia64_tls_size_string, ia64_tune_string): Remove.
1039         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1040         (TARGET_DEFAULT_TARGET_FLAGS): New.
1041         (TARGET_HANDLE_OPTION): New.
1042         (ia64_override_options): Move options parsing ...
1043         (ia64_handle_option): ... here.  New.
1044         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1045         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1046         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1047         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1048         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1049         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1050         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1051         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1052         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1053         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1054         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1055         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1056         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1057         TARGET_EARLY_STOP_BITS): Remove.
1058         (TARGET_ILP32): Default false.
1059         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1060         (enum ia64_inline_type): New.
1061         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1062         * config/ia64/ia64.md: Update for new definitions of
1063         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1064         * config/ia64/ia64.opt: New file.
1065         * config/ia64/ilp32.opt: New file.
1066
1067 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1068
1069         PR target/18380
1070         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1071
1072 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1073
1074         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1075         instead of MASK_H8300S.
1076         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1077         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1078         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1079         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1080         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1081         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1082         TARGET_SWITCHES): Remove.
1083         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1084         TARGET_H8300SX.
1085         * config/h8300/h8300.opt: New.
1086
1087         * config/alpha/alpha.opt, config/arc/arc.opt,
1088         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1089         notices.
1090
1091 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1092
1093         * gmon.c: Remove.
1094
1095 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1096
1097         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1098         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1099         (TARGET_HANDLE_OPTION): Override default.
1100         (arc_handle_option): New function.
1101         (arc_init): Remove code to set arch_cpu_string.
1102         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1103         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1104         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1105         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1106         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1107         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1108         (arc_rodata_string, TARGET_OPTIONS): Delete.
1109         * config/arc/arc.opt: New file.
1110
1111 2005-03-17  Richard Henderson  <rth@redhat.com>
1112
1113         * doc/extend.texi (Weak Pragmas): New section.
1114         (attribute alias): Clarify that target must be in the same
1115         translation unit.
1116
1117 2005-03-17  Richard Henderson  <rth@redhat.com>
1118
1119         * config/alpha/alpha.opt: New file.
1120         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1121         of alpha_cpu.
1122         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1123         alpha_fprm_string, alpha_fptm_string): Make static.
1124         (alpha_tls_size_string): Remove.
1125         (alpha_handle_option): New.
1126         (override_options): Update for alpha_cpu/alpha_tune split.
1127         (alpha_file_start): Likewise.
1128         (TARGET_DEFAULT_TARGET_FLAGS): New.
1129         (TARGET_HANDLE_OPTION): New.
1130         * config/alpha/alpha.h (alpha_tune): Declare.
1131         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1132         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1133         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1134         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1135         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1136         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1137         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1138         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1139         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1140         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1141         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1142         (TARGET_DEFAULT): Remove MASK_FP.
1143         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1144         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1145         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1146         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1147         alpha_tls_size_string): Remove.
1148         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1149         (attribute tune): Rename from attribute cpu.
1150         * config/alpha/ev4.md: Update to match.
1151         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1152         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1153         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1154         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1155         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1156         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1157
1158 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1159
1160         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1161         and return without creating new state if before_nops_num is nonzero.
1162         * config/ia64/ia64.md (first_insn): New attribute.
1163         (alloc): Set it to yes.
1164
1165 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1166
1167         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1168         STMT_VINFO_SUBVARS to NULL.
1169         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1170
1171 2005-03-16 Dale Johannesen  <dalej@apple.com>
1172
1173         * rtlanal.c (find_first_parameter_load):  Rewrite to
1174         return actual first param load or the call if none,
1175         instead of first in block, when not all loads exist.
1176
1177 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1178
1179         * optabs.c (expand_copysign_absneg): Make static.
1180         * optabs.h (expand_copysign_absneg): Delete prototype.
1181         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1182
1183 2005-03-16  Richard Henderson  <rth@redhat.com>
1184
1185         PR middle-end/15700
1186         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1187         (alias_pairs): Rename from output_defs.
1188         (find_decl_and_mark_needed): Split out from assemble_alias.
1189         (do_assemble_alias): New.
1190         (assemble_output_def): Remove.
1191         (finish_aliases_1, finish_aliases_2): New.
1192         (process_pending_assemble_output_defs): Remove.
1193         (assemble_alias): Defer aliases for which we don't yet have a
1194         non-external decl for the target symbol.
1195         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1196         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1197         * toplev.c (compile_file): Use finish_aliases_2 instead of
1198         process_pending_assemble_output_defs.
1199         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1200         (process_pending_assemble_output_defs): Remove.
1201
1202 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1203
1204         Fix PR tree-optimization/20489
1205
1206         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1207         for empty structures.
1208
1209 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1210
1211         Fix PR tree-optimization/20490
1212
1213         * tree-ssa-pre.c (create_expression_by_pieces): Use
1214         force_gimple_operand on result of fold.
1215
1216 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1217
1218         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1219         of closing parenthesis.
1220
1221 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1222
1223         * builtins.c (expand_movstr): Update a call to
1224         fold_builtin_strcpy.
1225         (expand_builtin_strncpy): Update a call to
1226         fold_builtin_strncpy.
1227         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1228         arguments of CALL_EXPR.
1229         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1230         fold_builtin_strncpy.
1231         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1232         * tree.h: Update the prototypes of fold_builtin_strcpy and
1233         fold_builtin_strncpy.
1234
1235 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1236             Dorit Naishlos  <dorit@il.ibm.com>
1237
1238         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1239         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1240         error.
1241
1242 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1243
1244         * tree-inline.c (walk_type_fields, walk_tree,
1245         walk_tree_without_duplicates): Move from here...
1246         * tree.c: ...to here.
1247
1248 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1249
1250         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1251         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1252         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1253         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1254         (version): Define using $(BASEVER_c).
1255         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1256         version.c.
1257         (version.o): Depend on version files; add custom generation command.
1258         (prefix.o): Define BASEVER on command line.
1259         (s-iov): Depend on version files; adjust command.
1260         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1261         Add gcc-vers.texi.
1262         (gcc-vers.texi): New rule.
1263         (doc/%.info, doc/%.dvi): Add -I . to command line.
1264         (doc/gccinstall.dvi): Likewise.
1265         (PACKAGE): Delete.  All uses replaced with "gcc".
1266         * aclocal.m4: Do not include gcc-version.m4.
1267         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1268         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1269         Set is_release based on contents of DEV-PHASE.
1270         Set gcc_version based on contents of BASE-VER.
1271         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1272         * config.in, configure: Regenerate.
1273         * gccbug.in: Determine version of GCC in use at runtime.
1274         * gcov-iov.c: Get version number and development phase from
1275         command line, not by including version.c.
1276         * intl.c: Replace all uses of PACKAGE with "gcc".
1277         * libada-mk.in: Delete unused "gcc_version" variable.
1278         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1279         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1280         commentary to match.
1281         (version_string): Put together from pieces.
1282         * config/alpha/x-vms: Do not use $(gcc_version).
1283         * config/i386/t-nwld: Likewise.
1284         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1285         version-GCC and DEVELOPMENT.
1286
1287 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1288
1289         PR tree-optimization/17454
1290         * tree.c (tree_size): Add case for TREE_BINFO.
1291         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1292         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1293
1294 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1295
1296         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1297         op1 whilst expanding the signed widenening multiply variant.
1298
1299 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1300
1301         * toplev.c (display_target_options): Avoid unused variable warning if
1302         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1303         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1304         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1305         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1306         (mips_isa_info): New variable.
1307         (mips_parse_cpu): Remove the first argument and leave the caller
1308         to report errors.
1309         (TARGET_HANDLE_OPTION): Override default.
1310         (mips_handle_option): New function.  Move option validation code from...
1311         (override_options): ...here.  Update calls to mips_parse_cpu.
1312         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1313         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1314         (SUBTARGET_TARGET_OPTIONS): Delete.
1315         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1316         (mno-flush-func, mtune=): New options.
1317
1318 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1319             Richard Henderson  <rth@redhat.com>
1320
1321         * real.c (c4x_single_format, c4x_extended_format): Provide values
1322         for signbit_ro for c4x's single and extended floating point formats.
1323         * optabs.c (expand_copysign): Use the floating point format's
1324         signbit_ro for expanding via expand_copysign_absneg, and it's
1325         signbit_rw field for expanding via expand_copysign_bit.
1326
1327 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1328
1329         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1330         known_alignment_for_access_p.
1331         (known_alignment_for_access_p): New.
1332         (do_peeling_for_alignment): Field made int instead of bool and renamed
1333         to peeling_for_alignment.
1334         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1335         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1336         functionality used to be in vect_analyze_operations.
1337         (vect_analyze_operations): Code to determine vectorization factor was
1338         moved to vect_determine_vectorization_factor.
1339         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1340         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1341         factor.
1342         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1343         be part of vect_analyze_operations).
1344         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1345         creating the guard condition, as the number of iterations may be
1346         constant.
1347         (slpeel_tree_peel_loop_to_edge): Use new name of
1348         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1349         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1350         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1351         (vect_do_peeling_for_alignment): Use fold.
1352         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1353
1354         (vect_update_inits_of_dr): Renamed to
1355         vect_update_init_of_dr.
1356         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1357         (vectorizable_store): Fix assertion to use == instead of =.
1358
1359 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1360
1361         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1362         call_used_regs for wCG registers.
1363
1364 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1365
1366         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1367         for non-offsettable memory references to cope with outstanding reload
1368         replacements, take 2.
1369
1370 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1371
1372         PR target/18668
1373         * config/i386/i386.h (x86_fisttp): New.
1374         (TARGET_FISTTP): New macro.
1375         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1376         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1377         instruction when fisttp flag is set.
1378         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1379
1380         * config/i386/i386.md (type attribute): Add fisttp.
1381         (unit attribute): Set to i387 for fisttp type.
1382         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1383         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1384         TARGET_FISTTP.
1385         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1386         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1387         macros.
1388         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1389         patterns for TARGET_FISTTP.  Enable patterns for
1390         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1391         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1392         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1393         implement fisttp x87 insn.
1394         (fix_trunc*_i387_fisttp splitters): New patterns.
1395         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1396         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1397         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1398         clobber.
1399         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1400         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1401         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1402         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1403         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1404         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1405         Disable patterns for TARGET_FISTTP.
1406         (fix_trunc*_i387 splitters): Implement usign mode macros.
1407         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1408         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1409         (fix_trunx*_sse peephole2s): Implement using mode macros.
1410
1411 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1412
1413         PR rtl-optimization/20291
1414         * combine.c (try_combine): If splitting fails, re-try with
1415         original combined pattern, i.e. before clobber stripping.
1416
1417 2005-03-14  Eric Christopher  <echristo@redhat.com>
1418
1419         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1420         STACK_GROWS_DOWNWARD.
1421
1422 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1423
1424         * real.h (struct real_format): Split the signbit field into two
1425         two fields, signbit_ro and signbit_rw.
1426         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1427         mips_double_format, ieee_extended_motorola_format,
1428         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1429         ieee_extended_intel_128_format, ibm_extended_format,
1430         mips_extended_format, ieee_quad_format, mips_quad_format,
1431         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1432         i370_double_format, c4x_single_format, c4x_extended_format,
1433         real_internal_format): Update initializers for new field.
1434         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1435         real_format structure.
1436         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1437         field of the real_format structure.
1438
1439 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1440
1441         Fix PR tree-optimization/20458
1442
1443         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1444         DECL_EXTERNAL on STRUCT_FIELD tags.
1445         (clear_call_clobbered): Ditto.
1446         * tree-ssa-operands.c (note_addressable): Make sure the original
1447         variable doesn't slip into the addressable list if we have
1448         subvars.
1449         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1450         tags too.
1451
1452 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1453
1454         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1455         (-fwide-exec-charset): Likewise.
1456         (-finput-charset): Likewise.
1457         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1458         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1459         * c.opt (Wnormalized): New.
1460
1461 2005-03-14  Devang Patel  <dpatel@apple.com>
1462
1463         * doc/invoke.texi: Add reference to Visibility document.
1464
1465 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1466
1467         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1468         MASK_SPLIT_ADDRESSES.
1469         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1470         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1471         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1472         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1473         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1474         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1475         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1476         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1477         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1478         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1479         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1480         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1481         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1482         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1483         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1484         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1485         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1486         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1487         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1488         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1489         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1490         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1491         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1492         (TARGET_EXPLICIT_RELOCS): Delete.
1493         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1494         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1495         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1496         (override_options): Set MASK_LONG64 if -mint64 is given and no
1497         -mlongXX option is.  Complain about -mint64 -mlong32.
1498         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1499         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1500         * config/mips/mips.opt: New file.
1501
1502 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1503
1504         * config.gcc (extra_options): New variable for listing option files.
1505         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1506         * configure.ac (extra_opt_files): New AC_SUBST variable.
1507         (tm_file_list, tm_include_list): Include options.h first.
1508         * configure: Regenerate.
1509         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1510         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1511         (s-options-h): New rule.
1512         (options.h): Depend on it.
1513         (TEXI_GCCINT_FILES): Add options.texi.
1514         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1515         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1516         * target.h (gcc_target): Add default_target_flags and handle_option.
1517         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1518         (TARGET_HANDLE_OPTION): New macros.
1519         (TARGET_INITIALIZER): Include them.
1520         * opt-functions.awk (opt_args, nth_arg): New functions.
1521         (switch_flags): Handle the "Target" flag.
1522         (var_args): Delete.
1523         (var_name): Use opt_args and nth_arg.
1524         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1525         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1526         macros for the "Mask" and "InverseMask" options.
1527         * opts.h (cl_var_cond): New enum.
1528         (cl_option): Replace the "has_set_value" and "set_value" fields with
1529         "var_cond" and "var_value".
1530         (CL_TARGET): New macro.
1531         (option_enabled, print_filtered_help): Declare.
1532         (decode_options): Move definition.
1533         * opts.c (handle_option): Search for the original option before
1534         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1535         var_cond and var_value fields.  Use targetm.handle_option to handle
1536         target options.
1537         (decode_options): Set target_flags to targetm.default_target_flags.
1538         (print_filtered_help): Make global.  Handle CL_TARGET.
1539         (option_enabled): New function.
1540         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1541         (display_target_options, set_target_switch, print_switch_values)
1542         (default_pch_valid_p): Guard uses of target_switches with
1543         #ifdef TARGET_SWITCHES.  Also...
1544         (display_target_options): Display the CL_TARGET entries in cl_options.
1545         (set_target_option): Don't complain about the "" option when
1546         TARGET_SWITCHES is undefined.
1547         (print_switch_values): Use option_enabled.
1548         (default_pch_valid_p): Check cl_options[] when looking for something
1549         that has changed the value of target_flags.
1550         * c.opt: Remove documentation from top of file.
1551         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1552         * doc/sourecebuild.texi: Refer to the new options documentation
1553         instead of c.opt.  Document machine-specific .opt files.
1554         * doc/tm.texi (target_flags): Say that this variable is declared
1555         by options.h.
1556         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1557         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1558         an alternative.
1559         * doc/options.texi: New file.
1560
1561 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1562
1563         PR middle-end/18628
1564         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1565         register.
1566
1567 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1568
1569         PR c++/20280
1570         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1571         temporary variable of pointer type if an lvalues is required.
1572         (gimplify_modify_expr_rhs): Request an rvalue from it.
1573         (gimplify_expr): Pass fallback on.
1574
1575 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1576
1577         * cfgbuild.c: Update comments.
1578
1579 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1580
1581         PR rtl-optimization/17236
1582         * optabs.c (expand_doubleword_mult): New helper function split out
1583         from expand_binop.  Permute the order in which instructions are
1584         emitted to minimize the number of simultaneously live registers.
1585         (expand_binop): Call expand_doubleword_mult to synthesize a double
1586         word multiplication.
1587
1588 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1589
1590         * basic-block.h: Update the prototypes of cached_make_edge and
1591         rtl_make_eh_edge.
1592         * cfg.c (cached_make_edge): Take edge_cache representing one
1593         row of the adjacency matrix of edges.
1594         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1595         (make_edges): Initialize edge_cache to represent one row of
1596         the adjacency matrix of edges.
1597
1598 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1599
1600         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1601         New functions.
1602         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1603         Remove unused removed_phis variable.
1604         (conditional_replacement): Use build1/build2.
1605         (abs_replacement): Use last_and_only_stmt and build1/build2.
1606
1607 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1608
1609         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1610         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1611         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1612         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1613         * c-common.c (handle_novops_attribute): New function.
1614         (c_common_attribute_table): Add "no vops" entry.
1615         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1616         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1617         * tree-ssa-operands.c (get_call_expr_operands): Do not
1618         create virtual operands for calls with ECF_NOVOPS flag.
1619         * tree.h (DECL_IS_NOVOPS): New macro.
1620         (struct tree_decl): Add novops_flag.
1621         (ECF_NOVOPS): New constant.
1622
1623 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1624
1625         PR target/17688
1626         * config/i386/i386.c (x86_use_himode_fiop): New.
1627         (x86_use_simode_fiop): Rename from x86_use_fiop.
1628         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1629         (TARGET_USE_HIMODE_FIOP): New.
1630         (x86_use_simode_fiop): Rename from x86_use_fiop.
1631         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1632
1633         * config/i386/i386.md (X87MODEI12): New mode macro define.
1634         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1635         to implement x87 FP compare with HImode input operands.
1636         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1637         Use X87MODEI12 mode macro to handle HImode input operands.
1638         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1639         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1640         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1641         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1642         macro to implement x87 operators with HImode input operands.
1643         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1644         input operands.
1645
1646 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1647
1648         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1649         integer_zerop.
1650         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1651         constants invariant.
1652
1653 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1654
1655         * basic-block.h (BB_VISITED): Removed.
1656         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1657
1658 2005-03-14  Falk Hueffner  <falk@debian.org>
1659
1660         PR bootstrap/20424
1661         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1662
1663 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1664
1665         * ggc-zone.c: Fix comment typos.
1666
1667         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1668         stringpool.c, config/mips/mips-protos.h: Update copyright.
1669
1670 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1671
1672         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1673         throughout with its typedef, "rtx".
1674         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1675         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1676         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1677         regs in comment to match code.
1678
1679 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1680
1681         * except.c (check_handled): Make it static.
1682         * except.h: Remove the corresponding prototype.
1683
1684         * function.c (get_func_frame_size): Make it static.
1685         * function.h: Remove the corresponding type.
1686
1687         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1688         Make them static.
1689         * hard-reg-set.h: Remove the corresponding declarations.
1690
1691         * tree-cfg.c (verify_stmts): Check that
1692         bb_for_stmt (stmt) == bb for every PHI node and statement.
1693
1694 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1695
1696         * config.gcc: Remove excess indentation.
1697         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1698
1699 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1700
1701         PR middle-end/19331
1702         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1703         * fold-const.c (fold_sign_changed_comparison): Likewise.
1704         (fold_binary): Optimize comparisons against widened operands if
1705         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1706
1707 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1708
1709         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1710         (sparc_override_options): Initialize it.
1711         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1712
1713 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1714
1715         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1716         (reg_or_none500mem_operand): New predicate.
1717         (zero_reg_mem_operand): New predicate.
1718         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1719         to reg_or_none500mem_operand.
1720         (extendsfdf2_fpr): Add MEM alternative.
1721         (extenddftf2_internal): Change operand2 predicate to
1722         zero_reg_mem_operand.
1723
1724 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1725
1726         * ggc-zone.c: Rewritten.
1727
1728         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1729         if there are none.
1730         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1731         * config.in: Regenerated.
1732         * configure: Regenerated.
1733         * gengtype.c (write_types_process_field, write_func_for_structure):
1734         Pass new argument to gt_pch_note_object.
1735         * ggc-common.c (struct ptr_data): Add TYPE.
1736         (gt_pch_note_object): Take TYPE argument and save it.
1737         (call_count): Update call to ggc_pch_count_object.
1738         (call_alloc): Update call to ggc_pch_alloc_object.
1739         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1740         file.
1741         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1742         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1743         (ggc_alloc_zone_stat): Delete.
1744         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1745         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1746         (ggc_pch_alloc_object): Update prototypes.
1747         (garbage_zone): Delete.
1748         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1749         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1750         pointers.
1751         (tree_id_zone): New variable.
1752         (ggc_alloc_cleared_zone): Remove unused.
1753         (ggc_alloc_zone): Define.
1754         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1755         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1756         ggc_alloc_zone_stat.
1757         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1758         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1759         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1760         (make_node_stat): Likewise.  Use tree_id_zone.
1761
1762 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1763             Joseph S. Myers  <joseph@codesourcery.com>
1764
1765         * configure.ac: Check for MIPS TLS.
1766         * configure: Regenerated.
1767         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1768         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1769         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1770         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1771         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1772         (mips_classify_symbol, mips_symbolic_constant_p)
1773         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1774         (mips_tls_operand_p, mips_call_tls_get_addr)
1775         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1776         (mips_tls_symbol_ref_1): New functions.
1777         (mips_legitimize_address, mips_legitimize_const_move): Call
1778         mips_legitimize_tls_address.
1779         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1780         for MIPS16.
1781         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1782         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1783         (mips_char_to_class): Document V1_REG.
1784         (HAVE_AS_TLS): Provide default.
1785         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1786         constants.
1787         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1788         !TARGET_ABICALLS.
1789         (tls_get_tp_<mode>): New instruction.
1790
1791 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1792
1793         * configure.ac: Update checks for target tools.
1794         * configure: Regenerated.
1795
1796 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1797
1798         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1799
1800 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1801
1802         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1803         more classes of DImode multiplication by constant.  Allow both
1804         multiplication by small negative constants (by performing a
1805         multiplication by a positive constant and negating the result) and
1806         multiplications by large powers of two, by using a left shift.
1807
1808 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1809
1810         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1811         of basic blocks into work_stack.
1812
1813         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1814         config/mips/vr.h: Update copyright.
1815
1816         * c-decl.c (c_init_decl_processing): Remove useless calls to
1817         build_function_type.
1818
1819         * builtins.c (fold_trunc_transparent_mathfn,
1820         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1821         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1822         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1823         fold_builtin_strcpy, fold_builtin_strncpy,
1824         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1825         TREE_TYPE (exp).
1826
1827         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1828         before_call.
1829
1830         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1831         variable determinant.
1832
1833         * tree-cfg.c (group_case_labels): Remove local variable type.
1834
1835         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1836         variable ann.
1837
1838         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1839         result.
1840
1841 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1842
1843         PR target/18251
1844         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1845         (*movmemqi_insn): Delete.
1846         (*movmemhi): Delete.
1847
1848 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1849
1850         * builtins.c (fold_builtin_classify): Take decomposed
1851         arguments of CALL_EXPR.
1852         (fold_builtin_1): Update a call to fold_builtin_classify.
1853
1854 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1855
1856         PR c/20402
1857         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1858         through into call to parser_xref_tag after parse error.
1859         (c_parser_struct_declaration): Consistently return NULL_TREE on
1860         error.
1861
1862 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1863
1864         * tree-flow-inline.h (ref_contains_array_ref): New function.
1865         (lookup_subvars_for_var): Ditto.
1866         (get_subvars_for_var): Ditto.
1867         (var_can_have_subvars): Ditto.
1868
1869         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1870         (struct subvar): New type.
1871
1872         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1873
1874         * tree-optimize.c (init_tree_optimization_passes): Call
1875         pass_create_structure_vars.
1876
1877         * tree-ssa-alias.c: Include vec.h.
1878         (init_alias_info): Don't auto-clear call clobbered on struct-field
1879         tags.
1880         (compute_flow_insensitive_aliasing): Handle subvars.
1881         (group_aliases): Handle STRUCT_FIELD aliases.
1882         (setup_pointers_and_addressables): Ditto.
1883         Don't mark variables non-addressable if they still have
1884         addressable subvars.
1885         Also mark subvars addressable when the real variable is marked
1886         addressable.
1887         (add_pointed_to_var): Try to prune the pointed-to set by only
1888         pointing to subvars when possible.
1889         Otherwise, make sure we set addresses_needed and pt_vars to
1890         properly include subvars.
1891         (bitpos_of_field): New function.
1892         (push_fields_onto_fieldstack): Ditto.
1893         (get_or_create_used_part_for): Ditto.
1894         (create_overlap_variables_for): Ditto.
1895         (find_used_portions): Ditto.
1896         (create_structure_vars): Ditto.
1897         (pass_create_structure_vars): New structure.
1898
1899         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1900         (get_expr_operands): Handle subvars.  Also try to turn
1901         COMPONENT_REF accesses into must-defs now that we can accurately
1902         portray it.
1903         (note_addressable): Try to only mark as addressable those subvars
1904         we know a COMPONENT_REF touches.
1905         (overlap_subvar): New function.
1906
1907         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1908         Handle subvar storing.
1909         (vect_address_analysis): Update caller of vect_object_analysis.
1910
1911         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1912
1913         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1914         (STMT_VINFO_SUBVARS): New macro.
1915
1916         * common.opts: add flag_tree_salias.
1917
1918         * opts.c (decode_options): flag_tree_salias defaults to on.
1919
1920         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1921
1922         * doc/tree-ssa.texi: Document structural alias analysis.
1923
1924 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1925
1926         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1927         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1928         * tree-ssa-operands.c (get_expr_operands): Likewise.
1929         (get_expr_operands): Likewise for ERROR_MARK.
1930
1931 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1932
1933         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1934         var.
1935
1936         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1937         removed_phis.
1938
1939         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1940         (mark_operand_necessary): Remove local variable ver.
1941
1942         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1943         variable prefix_len.
1944
1945         * value-prof.c (mod_subtract_transform): Remove local variable
1946         value.
1947
1948         * builtins.c (fold_builtin_exponent): Take decomposed
1949         arguments of CALL_EXPR.
1950         (fold_builtin_1): Update a call to fold_builtin_exponent.
1951
1952         * builtins.c (fold_builtin_logarithm): Take decomposed
1953         arguments of CALL_EXPR.
1954         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1955
1956         * c-decl.c (c_init_decl_processing): Remove local variables
1957         ptr_ftype_void and ptr_ftype_ptr.
1958
1959         * gimplify.c (gimplify_expr): Remove local variables r0 and
1960         r1.
1961
1962         * reg-stack.c (move_for_stack_reg): Remove local variable
1963         push_insn.
1964         (compare_for_stack_reg): Remove local variable flags_user.
1965         (convert_regs_1): Remove local variable deleted.
1966
1967         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1968         variable new_cond.
1969         (combine_blocks): Remove local variables exits and new_e.
1970
1971         * tree-inline.c (expand_call_inline): Remove local variable
1972         decl.
1973
1974         * tree-ssa-live.c (create_ssa_var_map,
1975         calculate_live_on_entry): Remove local variable snn.
1976
1977 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1978
1979         * c-lex.c (c_lex_with_flags): Add parameter to call to
1980         cpp_spell_token.
1981
1982 2005-03-11  Per Bothner  <per@bothner.com>
1983
1984         * c-tree.h (struct c_declarator): New id_loc field.
1985         * c-pragma.h (c_lex_with_flags): Take position reference.
1986         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1987         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1988         (c_lex): Pass dummy location to c_lex_with_flags.
1989         * c-parser.c (c_lex_one_token): Set c_token's location using
1990         c_lex_with_flags, instead of input_location, which might be "ahead".
1991         (c_parser_direct_declarator): Set declarator's id_loc from
1992         c_token's id_loc.
1993         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1994         declarator's id_loc, rather than probably-imprecise input_location.
1995         (build_id_declarator): Initialize c_declarator's id_loc field.
1996
1997 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1998
1999         PR middle-end/20419
2000         * builtins.c (expand_builtin_signbit): Force the signbit's word
2001         into an integer register to avoid SUBREGs of floating point modes.
2002
2003 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2004
2005         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2006         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2007         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2008         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2009
2010 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2011
2012         PR rtl-optimization/20306
2013         * expr.c (emit_move_complex): Set try_int false if mode is
2014         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2015         emit_block_move if try_int is true.
2016
2017 2005-03-11  Richard Henderson  <rth@redhat.com>
2018
2019         PR target/20415
2020         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2021         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2022         to match.
2023
2024 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2025
2026         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2027         (TARGET_FIX_VR4130): New macro.
2028         (TARGET_OPTIONS): Add -mfix-vr4130.
2029         (ISA_HAS_MACCHI): New macro.
2030         (ASM_SPEC): Add -mfix-vr4130.
2031         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2032         (override_options): Handle mips_fix_vr4130_string.
2033         (mips_avoid_hazards): Clear all_noreorder_p
2034         if we're working around VR4130 errata and the macc alternatives
2035         are not available.
2036         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2037         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2038         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2039         (MULTILIB_DEFAULTS): Remove leading "march=".
2040         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2041         if no architecture option is given.
2042         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2043         VR4130 multilibs.
2044         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2045         * doc/invoke.texi: Document -mfix-vr4130.
2046
2047 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2048
2049         * config/mips/mips.c (override_options): Only warn about -mint64
2050         deprecation if TARGET_INT64.
2051
2052 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2053
2054         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2055         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2056         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2057         are non-specific regarding the nonnull parameter positions.
2058         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2059         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2060         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2061         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2062
2063         * builtins.def: Use the non-specific "nonnull" attibute lists.
2064
2065 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2066
2067         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2068         single_pred_edge, single_succ, single_pred): Improve comments.
2069
2070 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2071
2072         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2073         single_pred_edge, single_succ, single_pred): New inline functions.
2074         * bb-reorder.c (rotate_loop, find_traces_1_round,
2075         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2076         duplicate_computed_gotos): Use the single_succ/pred functions.
2077         * cfganal.c (forwarder_block_p): Ditto.
2078         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2079         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2080         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2081         merge_seq_blocks): Ditto.
2082         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2083         * cfglayout.c (fixup_reorder_chain): Ditto.
2084         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2085         canonicalize_loop_headers, verify_loop_structure): Ditto.
2086         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2087         mfb_update_loops, create_preheader, force_single_succ_latches,
2088         create_loop_notes): Ditto.
2089         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2090         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2091         commit_one_edge_insertion, purge_dead_edges,
2092         cfg_layout_can_merge_blocks_p): Ditto.
2093         * except.c (sjlj_emit_function_enter): Ditto.
2094         * flow.c (init_propagate_block_info): Ditto.
2095         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2096         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2097         insert_insn_end_bb): Ditto.
2098         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2099         find_if_case_2): Ditto.
2100         * lambda-code.c (perfect_nestify): Ditto.
2101         * lcm.c (optimize_mode_switching): Ditto.
2102         * loop-doloop.c (doloop_modify): Ditto.
2103         * loop-init.c (loop_optimizer_init): Ditto.
2104         * loop-iv.c (simplify_using_initial_values): Ditto.
2105         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2106         * loop-unswitch.c (unswitch_loop): Ditto.
2107         * modulo-sched.c (generate_prolog_epilog): Ditto.
2108         * predict.c (combine_predictions_for_insn, estimate_probability,
2109         tree_estimate_probability, last_basic_block_p,
2110         estimate_bb_frequencies): Ditto.
2111         * profile.c (branch_prob): Ditto.
2112         * regrename.c (copyprop_hardreg_forward): Ditto.
2113         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2114         * tracer.c (layout_superblocks): Ditto.
2115         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2116         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2117         cleanup_control_expr_graph, disband_implicit_edges,
2118         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2119         tree_verify_flow_info, tree_make_forwarder_block,
2120         tree_forwarder_block_p, remove_forwarder_block,
2121         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2122         * tree-if-conv.c (tree_if_conversion): Ditto.
2123         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2124         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2125         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2126         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2127         copy_loop_headers): Ditto.
2128         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2129         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2130         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2131         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2132         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2133         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2134         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2135         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2136         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2137         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2138         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2139         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2140         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2141         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2142         slpeel_add_loop_guard): Ditto.
2143
2144 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2145
2146         PR tree-optimization/15784
2147         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2148         and -1 - A to ~A.
2149
2150         * stmt.c (expand_case): Don't change index_type.  Convert minval
2151         to the proper type.
2152
2153         PR tree-optimization/20130
2154         * fold-const.c (fold): Fold x * -1 into -x.
2155
2156 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2157
2158         PR rtl-optimization/20331
2159         * rtlanal.c (modified_between_p): Check its address first for MEM.
2160         (modified_in_p): Likewise.
2161
2162 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2163
2164         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2165
2166 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2167
2168         * expr.c (expand_expr_real_1): If possible, use a conditional
2169         move for expanding MIN_EXPR and MAX_EXPR.
2170         Use temp for moving around rtx-en.
2171
2172 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2173
2174         PR rtl-opt/20412
2175         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2176         correct mode.
2177
2178 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2179
2180         * builtins.c (expand_builtin_signbit): Extend to handle floating
2181         point modes wider than the largest integer type, using the
2182         operand_subword_force function to obtain the signbit's word.
2183
2184 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR target/20322
2187         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2188         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2189
2190 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2191
2192         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2193
2194 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2195
2196         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2197         type void.
2198         (perform_edge_inserts): Unconditionally call
2199         free_dominator_info.
2200
2201         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2202
2203 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2204
2205         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2206
2207 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2208
2209         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2210
2211         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2212         gcc_unreachable.
2213         (rtl_register_value_prof_hooks,
2214         tree_value_profile_transformations,
2215         tree_register_value_prof_hooks): Likewise.
2216         * var-tracking.c (stack_adjust_offset_pre_post,
2217         variable_htab_free, variable_union, dataflow_set_different_2,
2218         count_uses, variable_was_changed, set_frame_base_location,
2219         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2220         vt_add_function_parameters): Likewise.
2221         * varasm.c (named_section_real, named_section, make_decl_rtl,
2222         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2223         const_hash_1, compare_constant, copy_constant, force_const_mem,
2224         output_constant_pool_2, output_constant_pool_1, output_constant,
2225         output_constructor, make_decl_one_only, decl_tls_model,
2226         default_no_named_section, default_elf_select_section_1,
2227         default_unique_section_1): Likewise.
2228         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2229         * vmsdbgout.c (addr_const_to_string): Likewise.
2230
2231         PR c++/20375
2232         * function.c (struct assign_parm_data_one): Remove last_named
2233         field.
2234         (assign_parm_find_data_types): Don't determine last_named.
2235         Reorder named_parm determination.
2236         (assign_parms): Only setup varargs on the last non-varadic
2237         parameter.
2238
2239 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2240
2241         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2242         sda base address on medium model.
2243
2244 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2245
2246         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2247         * cfgloop.c (flow_loop_nodes_find): Export.
2248         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2249         Declare.
2250         * cfgloopmanip.c (fix_loop_structure): New function.
2251         * predict.c (predict_loops): Clean up the loops information.
2252         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2253         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2254         loop structure.
2255         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2256         (rewrite_into_loop_closed_ssa): Declaration changed.
2257         * tree-loop-linear.c (linear_transform_loops): Add argument to
2258         rewrite_into_loop_closed_ssa call.
2259         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2260         * tree-ssa-loop-im.c (move_computations): Ditto.
2261         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2262         * tree-vectorizer.c (vectorize_loops): Ditto.
2263         * tree-optimize.c: Include cfgloop.h.
2264         (execute_todo): Choose whether to call cleanup_tree_cfg or
2265         cleanup_tree_cfg_loop.
2266         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2267         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2268         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2269         cleanup_tree_cfg_loop call.
2270         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2271         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2272         work on part of cfg.
2273
2274 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR inline-asm/20314
2277         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2278         with multiple alternatives.
2279
2280         * stmt.c (parse_output_constraint): Fix a typo.
2281
2282 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2283
2284         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2285         assembly directive instead of deprecated "no-generics".
2286
2287 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2288
2289         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2290         for non-offsettable memory references to cope with outstanding reload
2291         replacements.
2292         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2293         avoid losing outstanding address reloads.
2294         ("reload_outdi", "reload_outdf"): Likewise.
2295
2296 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2297
2298         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2299         code.  Add more cbrt transformations.
2300
2301 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2302
2303         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2304
2305 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2306
2307         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2308         NULL_TREE when a given tree is not simplified.
2309         (fold): Return the original tree when any of the functions
2310         mentioned above NULL_TREE.
2311
2312         * fold-const.c (fold_unary, fold_binary): Take decomposed
2313         arguments, code, type, op0, and op1 in case of fold_binary.
2314         (fold): Update calls to fold_unary and fold_binary.
2315
2316 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2317
2318         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2319         a fndecl and an arglist instead of a CALL_EXPR, exp.
2320
2321 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2322
2323         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2324
2325         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2326
2327         * expr.c (expand_assignment): Remove orig_to_rtx.
2328
2329         * fold-const.c (int_const_binop): Remove no_overflow.
2330
2331         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2332
2333         * loop-iv.c (get_biv_step_1): Remove lhs.
2334
2335         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2336
2337         * real.c (real_nan): Remove neg.
2338
2339         * function.c (thread_prologue_and_epilogue_insns): Remove i
2340         and newinsn.
2341
2342         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2343         tb.
2344
2345         * tree-eh.c (tree_could_trap_p): Remove idx.
2346
2347         * tree-into-ssa.c (ann): Remove ann.
2348
2349         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2350
2351         * tree-sra.c (decide_block_copy): Remove inst_count.
2352
2353         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2354
2355         * tree-ssa-loop-im.c (lhs): Remove.
2356
2357         * cfgbuild.c (state, STATE, SET_STATE,
2358         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2359         make_edges.
2360         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2361         (find_basic_blocks): Set the state of each basic block to
2362         BLOCK_NEW.
2363
2364 2005-03-08  Jeff Law  <law@redhat.com>
2365
2366         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2367         goto results in the removal of edges in the CFG, then we need
2368         to recompute dominators.
2369
2370 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2371
2372         * c-common.c (c_do_switch_warnings): Comment fix.
2373
2374 2005-03-08  Julian Brown  <julian@codesourcery.com>
2375
2376         * Patch from 2005-03-08 reverted for causing regressions and
2377         ppc-darwin bootstrap failure.
2378
2379 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2380
2381         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2382         Define the real function for ppc-darwin.
2383         * c-typeck.c (convert_arguments): Check for target-specific
2384         invalid argument call to unprototyped function.
2385         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2386         New Macro.
2387         * target.h (invalid_arg_for_unprototyped_fn): New field
2388         in struct calls.
2389         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2390         default target hook.
2391         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2392         Declare.
2393
2394 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2395
2396         * c-typeck.c (constructor_stack, constructor_range_stack,
2397         initializer_stack): Make them static.
2398
2399         * cfg.c (rbi_pool): Make it static.
2400
2401         * gimple-low.c (lower_stmt_body): Make it static.
2402         * tree-flow.h: Remove the corresponding prototype.  Don't
2403         declare lower_data.
2404
2405         * sched-deps.c (cache_size): Make it static.
2406
2407         * stor-layout.c (lang_adjust_rli): Make it static.
2408
2409 2005-03-08  Julian Brown  <julian@codesourcery.com>
2410
2411         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2412         from being used for symbols with vague linkage when
2413         HAVE_GAS_COMDAT_GROUP is true.
2414
2415 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2416
2417         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2418         nlabel == JUMP_LABEL (jump).
2419
2420 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2423         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2424         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2425         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2426
2427 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2428
2429         PR c/14411
2430         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2431         * c-common.c (handle_returns_twice): New function.
2432         (c_common_attribute_table): Declare eturns_twice' attribute.
2433         * doc/extend.texi: Document eturns_twice' attribute.
2434         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2435         (struct tree_decl): Add returns_twice_flag.
2436
2437 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2438
2439         * tree-ssa-phiopt.c: Fix a comment typo.
2440
2441         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2442         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2443         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2444         copyright.
2445
2446 2005-03-08  Richard Henderson  <rth@redhat.com>
2447
2448         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2449         builtin codes with ctzdi2, clzdi2, popcountdi2.
2450         (struct alpha_builtin_def): Add is_const.
2451         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2452         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2453         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2454         on builtins.
2455         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2456         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2457         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2458         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2459         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2460         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2461         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2462         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2463         (TARGET_FOLD_BUILTIN): New.
2464         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2465         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2466         (ffsdi2): Use ctz.
2467         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2468
2469 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2470
2471         PR tree-optimization/20122
2472         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2473         condition of access function instead of base.
2474
2475 2005-03-07  Jeff Law  <law@redhat.com>
2476             Steven Bosscher  <stevenb@suse.de>
2477
2478         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2479         (find_taken_edge): Call find_taken_edge_computed_goto as
2480         appropriate.  Allow any gimple invariant rather than just
2481         INTEGER_CST for VAL.
2482         (cleanup_control_flow): Cleanup a computed goto which has turned
2483         into a simple goto.
2484         (tree_merge_blocks): If block B has any forced labels, move
2485         them to the start of block A.
2486         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2487         computed gotos as well.
2488         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2489         removal of unnecessary computed gotos too.
2490         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2491         updated.
2492
2493 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2494
2495         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2496         Remove trailing spaces.
2497
2498         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2499         unshare_all_trees): Make them static.
2500         * tree-gimple.h: Remove the corresponding prototypes.
2501
2502         * diagnostic.h: Remove unused prototype
2503         debug_output_buffer.
2504         * modulo-sched.c: Remove unused prototype
2505         set_row_column_for_ps.
2506
2507         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2508         replace_phi_edge_with_variable): Remove unused variable i.
2509
2510 2005-03-07  Per Bothner  <per@bothner.com>
2511
2512         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2513
2514 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2515
2516         PR tree-opt/17671
2517         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2518         bbs on the COND_EXPR instead of the PHI_NODEs.
2519         (candidate_bb_for_phi_optimization): Remove.
2520         (replace_phi_with_stmt): Rename to ...
2521         (replace_phi_edge_with_variable): this and change so that we
2522         replace the phi argument instead of removing the PHI.
2523         (conditional_replacement): Change so we deal with PHI with more
2524         than two arguments.
2525         (value_replacement): Likewise.
2526         (abs_replacement): Likewise.
2527
2528 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2529
2530         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2531         output_e500_flip_gt_bit.
2532
2533         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2534         as bit 31.
2535         (rs6000_generate_compare): Fix logic to look at the correct bits.
2536         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2537         Look at GT bit.
2538         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2539         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2540         gen_move_from_CR_gt_bit.
2541
2542         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2543         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2544         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2545
2546         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2547         (E500_CR_IOR_COMPARE): New constant.
2548
2549 2005-03-08  Earl Chew <earl_chew@agilent.com>
2550             David Billinghurst <David.Billinghurst@riotinto.com>
2551
2552         * config/i386/host-cygwin.c: New file to support precompiled
2553         headers on cygwin
2554         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2555         * config.host: Use above files for cygwin host.
2556
2557 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2558
2559         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2560         ordering ops from earlier change.
2561
2562 2005-03-07  Per Bothner  <per@bothner.com>
2563
2564         Various fixes to allow us to again build if --enable-mapped-location:
2565         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2566         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2567         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2568         local variable loc. Change logic appropriately.
2569         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2570         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2571         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2572         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2573         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2574
2575 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2576
2577         PR rtl-optimization/19683
2578         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2579         number of bytes, to smallest_int_for_mode.  Fix arguments to
2580         REG_CANNOT_CHANGE_MODE_P.
2581
2582 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2583
2584         * reorg.c (relax_delay_slots): Check that the jump is
2585         conditional before trying to invert it.
2586
2587 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2588
2589         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2590         Make them static.
2591
2592         * calls (stack_arg_under_construction): Make it static.
2593
2594         * flow.c (regs_live_at_setjmp): Make it static.
2595         * flow.h: Remove the corresponding prototype.
2596
2597         * reload1.c (reload_startobj, reload_firstobj,
2598         something_needs_operands_changed, reload_inherited,
2599         reload_inheritance_insn, reload_override_in,
2600         reload_spill_index): Make them static.
2601
2602         * recog.c (verify_changes): Make it static.
2603         * recog.h: Remove the corresponding prototype.
2604
2605         * cfgbuild.c (find_sub_basic_blocks): Remove.
2606         * basic-block.h: Remove the corresponding prototype.
2607         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2608         in comments.
2609         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2610
2611         * tree-ssa-operands.c (check_build_stmt): Remove.
2612
2613         * stor-layout.c (set_alignment): Remove.
2614         * tree.h: Remove the corresponding prototype.
2615
2616         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2617
2618         * tree-ssa-dce.c (control_dependence_map,
2619         visited_control_parents): Make them static.
2620
2621         * cfghooks.c (verify_flow_info): Remove local variable
2622         num_bb_notes.
2623
2624         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2625         last_bb_seen.
2626
2627         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2628
2629 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2630
2631         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2632
2633 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2634
2635         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2636         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2637         PARALLEL for an empty structure.
2638
2639 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2640
2641         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2642
2643         * fold-const.c (fold_binary): Unroll the very first "for"
2644         loop.
2645
2646 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2647
2648         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2649         redundant match_code test.
2650         (scc_comparison_operator): Swap match_operand and match_code
2651         tests.
2652         (branch_positive_comparison_operator): Same.
2653         (trap_comparison_operator): Use comparison_operator and swap with
2654         match_code test.
2655
2656 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2657
2658         PR target/20288
2659         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2660         (out_movhi_r_mr): Read low byte of volatile MEM first.
2661         (out_movhi_mr_r): Write high byte of volatile MEM first.
2662
2663 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2664
2665         * cselib.c (reg_values, reg_values_size): Make them static.
2666
2667         * cse.c (cse_reg_info_table): Make it static.
2668
2669         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2670
2671 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2672
2673         * cse.c (find_best_addr): Use canon_for_address.
2674
2675 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2676
2677         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2678         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2679         SUBREG and MEM, respectively.
2680
2681         * fold-const.c (fold_binary): Use code instead of t.
2682
2683         * fold-const.c (optimize_minmax_comparison): Take decomposed
2684         arguments code, type, op0, and op1 instead of t.
2685         (fold_binary): Update a call to optimize_minmax_comparison.
2686
2687         * fold-const.c (fold_range_test): Take decomposed arguments
2688         code, type, op0, and op1 instead of t.
2689         (fold_binary): Update a call to fold_range_test.
2690
2691         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2692         decomposed arguments code, type, op0, and op1 instead of t.
2693         (fold_binary): Update a call to fold_range_test.
2694
2695 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2696
2697         * fold-const.c (fold_binary): Avoid directly using the original
2698         expression t as much as possible.
2699
2700 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2701
2702         * c-semantics.c (build_stmt): Use TYPE_P instead of
2703         IS_NON_TYPE_CODE_CLASS.
2704         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2705         (NON_TYPE_CHECK): Use TYPE_P instead of
2706         IS_NON_TYPE_CODE_CLASS.
2707
2708         * fold-const.c (fold): Remove handling of binary expressions.
2709
2710 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2711
2712         * doc/c-tree.texi: Wrap comments in @r{}.
2713         * doc/cpp.texi: Likewise.
2714         * doc/cppinternals.texi: Likewise.
2715         * doc/extend.texi: Likewise.
2716         * doc/md.texi: Likewise.
2717         * doc/objc.texi: Likewise.
2718         * doc/sourcebuild.texi: Likewise.
2719         * doc/tm.texi: Likewise.
2720         * doc/tree-ssa.texi
2721
2722 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2723
2724         * predict.c (apply_return_prediction): Standardize PHI chain
2725         walking.
2726         * tree-ssa.c (ssa_redirect_edge): Likewise.
2727
2728         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2729         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2730         Update copyright.
2731
2732         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2733         * tree-flow.h: Adjust the prototype for remove_phi_node.
2734         * lambda-code.c (perfect_nestify): Adjust a call to
2735         remove_phi_node.
2736         * tree-cfg.c
2737         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2738         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2739         Likewise.
2740         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2741         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2742         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2743         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2744
2745         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2746         of GEN_INT (trunc_int_for_mode (...)).
2747         * loop-iv.c (iv_number_of_iterations): Likewise.
2748         * postreload.c (reload_cse_move2add): Likewise.
2749         * simplify-rtx.c (simplify_const_unary_operation,
2750         simplify_const_binary_operation): Likewise.
2751         * stor-layout.c (get_mode_bounds): Likewise.
2752
2753         * fold-const.c (fold_binary): New.
2754         (fold): Call fold_binary on binary expressions.
2755
2756 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2757
2758         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2759         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2760         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2761         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2762         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2763
2764 2005-03-04  Devang Patel  <dpatel@apple.com>
2765
2766         PR tree-optimization/18815
2767         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2768         loops with zero exit edges.
2769
2770 2005-03-04  Devang Patel  <dpatel@apple.com>
2771
2772         * doc/invoke.texi: Remove reference to webpage that does not exist.
2773
2774 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2775             Joseph S. Myers  <joseph@codesourcery.com>
2776
2777         PR c++/19797
2778         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2779         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2780         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2781         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2782         maybe_get_identifier instead of get_identifier.
2783         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2784         (struct deferred_plabel): Replace name field with symbol field.
2785         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2786         ASM_OUTPUT_EXTERNAL_REAL is defined.
2787         (output_global_address): Use output_addr_const for output of all
2788         symbol_refs.
2789         (output_deferred_plabels): Use symbol_ref instead of name for address
2790         output.
2791         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2792         ASM_OUTPUT_SYMBOL_REF): New macros.
2793         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2794         comment.
2795         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2796         label.
2797
2798 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2799
2800         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2801         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2802
2803 2005-03-04  Jeff Law  <law@redhat.com>
2804
2805         * basic-block.h (rediscover_loops_after_threading): Declare.
2806         * tree-ssa-dom.c: Include cfgloop.h.
2807         (tree_ssa_dominator_optimize): Discover loops and some basic
2808         properties.  Remove forwarder blocks recreated by loop header
2809         canonicalization.  Also mark backedges in the CFG.
2810         * tree-ssa-threadupdate.c: Include cfgloop.h
2811         (rediscover_loops_after_threading): Define.
2812         (struct local_info): New field, JUMP_THREADED.
2813         (prune_undesirable_thread_requests): New function.
2814         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2815         then record that fact for the callers of redirct_edges.
2816         (thread_block): If BB has incoming backedges, then call
2817         prune_undesirable_thraed_requests.    Note when we are
2818         going to have to rediscover loop information.  Return a
2819         boolean indicating if any jumps were threaded.
2820         (thread_through_all_blocks): Bubble up boolean indicating
2821         if any jumps were threaded.
2822         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2823         (tree-ssa-threadupdate.o): Similarly.
2824
2825 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2826
2827         * fold-const.c (fold_ternary): Unroll the "for" loop to
2828         extract operands.
2829
2830 2005-03-04  Andrew Haley  <aph@redhat.com>
2831
2832         * unwind-dw2-fde-glibc.c (struct
2833         unw_eh_callback_data.check_cache): New field.
2834         (frame_hdr_cache): New.
2835         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2836         Cache frame header info.
2837
2838 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2839
2840         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2841         (print_c_condition): Declare.
2842         * read-rtl.c (ptr_loc): New structure.
2843         (ptr_locs, ptr_loc_obstack, joined_conditions)
2844         (joined_conditions_obstack): New variables.
2845         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2846         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2847         (join_c_conditions, print_c_condition): New functions.
2848         (apply_macro_to_string): Associate the new string with the same
2849         source location as the old one.
2850         (add_condition_to_string): Use join_c_conditions.
2851         (read_string): Use set_rtx_ptr_loc to record a filename and line
2852         number for the string.
2853         (read_rtx): Initialize the new variables above.
2854         * genattrtab.c (write_test_expr, write_attr_value): Use
2855         print_c_condition.
2856         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2857         comment above the GCC_VERSION check.
2858         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2859         Inline the definition of MAYBE_EVAL.
2860         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2861         * genoutput.c (process_template): Likewise.
2862         * genpreds.c (write_predicate_subfunction): Likewise.
2863         (write_predicate_expr): Use print_c_condition.
2864         * genrecog.c (write_cond): Likewise.
2865         * gensupport.c (process_rtx): Use join_c_conditions to join the
2866         conditions of a define_insn_and_split.  Record a source location
2867         for the string after the "&&".
2868         (alter_test_for_insn): Use join_c_conditions.
2869
2870 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2871
2872         Revert for now:
2873         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2874         PR tree-optimization/15784
2875         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2876         and -1 - A to ~A.
2877
2878 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2879
2880         * gcc.c (option_map): Add --coverage.
2881         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2882         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2883         * config/darwin.h: Pass -lgcov for `coverage'.
2884         * doc/invoke.texi (Debugging Options): Document --coverage.
2885
2886 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2887
2888         * gcse.c (bypass_block): Use find_edge wherever possible.
2889
2890 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2891
2892         Fix PR debug/20253
2893
2894         * c-opts.c (c_common_parse_file): Call start_source_file
2895         and end_source_file at the approriate times.
2896
2897         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2898         the main file, it will be done for us now.
2899
2900 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2901
2902         * fold-const.c (fold_ternary): New.
2903         (fold): Call fold_ternary on ternary expressions.  Remove
2904         handling of ternary expressions.
2905
2906 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2907
2908         PR tree-optimization/15784
2909         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2910         and -1 - A to ~A.
2911
2912 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2913
2914         * config/rs6000/predicates.md (branch_comparison_operator):
2915         Convert from C block to conditional format.
2916
2917 2005-03-03  Jan Hubicka  <jh@suse.cz>
2918
2919         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2920         and non-constant public variables.
2921
2922 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2923
2924         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2925         with LABEL_EXPR.
2926
2927         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2928         EDGE_I.
2929
2930         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2931         calls to release_ssa_name and release_phi_node.
2932
2933         * fold-const.c (fold): Remove handling of unary expressions.
2934
2935         * fold-const.c (fold_unary): Avoid directly using the original
2936         expression t as much as possible.
2937
2938 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2939             Andrew Pinski  <pinskia@physics.uc.edu>
2940
2941         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2942         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2943
2944 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2945
2946         Describe special registers SRP and MOF as allocatable registers.
2947         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2948         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2949         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2950         TARGET_HAS_MUL_INSNS.
2951         (cris_print_operand) <case 'd'>: New case.
2952         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2953         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2954         define.
2955         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2956         (REG_ALLOC_ORDER): Update for MOF.
2957         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2958         SPECIAL_REGS.
2959         (GENERAL_REGS): No longer a define of ALL_REGS.
2960         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2961         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2962         Adjust accordingly.
2963         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2964         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2965         (SECONDARY_RELOAD_CLASS): Define.
2966         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2967         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2968         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2969         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2970         (REGISTER_MOVE_COST): Define.
2971         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2972         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2973         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2974         (CRIS_MOF_REGNUM): New define_constants.
2975         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2976         special registers.
2977         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2978         New patterns.
2979         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2980         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2981         Adjust for MOF being properly described as a register.
2982         (indir_to_reg_split): Name this split.  Conditionalize on the
2983         destination register being a general register.
2984         (movei): Conditionalize on on operands 0 and 1 having the same
2985         register class.
2986
2987 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2988
2989         PR target/20277
2990         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2991         -mcpu to override any other explicitly given flags.
2992
2993 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2994
2995         * recog.c (verify_changes, confirm_change_group): New functions,
2996         broken out of apply_change_group.
2997         (apply_change_group): Use them.
2998         * recog.h (verify_change, confirm_change_group): Declare.
2999         * rtl.h (redirect_jump_2): Declare.
3000         * jump.c (redirect_exp, invert_exp): Delete.
3001         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3002         (redirect_jump_2): New function, broken out of redirect_jump.
3003         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3004         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3005         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3006
3007 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3008
3009         * varasm.c (named_section): Use xstrdup rather than doing it by
3010         hand.
3011
3012         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3013
3014 2005-03-02  Devang Patel  <dpatel@apple.com>
3015
3016         Undo PR tree-optimization/18815 fix.
3017
3018 2005-03-02  Devang Patel  <dpatel@apple.com>
3019
3020         PR tree-optimization/18815
3021         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3022         loops with zero exit edges.
3023
3024 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3025
3026         * cfg.c (connect_src, connect_dest, disconnect_src,
3027         disconnct_dest): New.
3028         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3029         redirect_edge_pred): Use the new functions.
3030
3031         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3032         free_dominance_info only when needed.
3033
3034 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3035
3036         PR target/20276
3037         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3038         (reg_or_sub_cint64_operand): Same.
3039
3040 2005-03-02  Jeff Law  <law@redhat.com>
3041
3042         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3043         CFG_ALTERED in the main DOM iteration loop.
3044
3045 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3046
3047         PR c++/19916
3048         * varasm.c (initializer_constant_valid_p): Allow conversions
3049         between OFFSET_TYPEs.  Tidy.
3050
3051 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3052
3053         * config/cris/cris.md ("return"): Remove epilogue delay list
3054         sanity check.
3055
3056 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3057
3058         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3059         for Thumb.
3060         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3061
3062 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3063
3064         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3065         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3066         config/m68k/m68k.c, config/mips/mips.h,
3067         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3068         doc/include/gcc-common.texi: Update copyright.
3069
3070         PR middle-end/18029 and PR middle-end/18030
3071         * expr.c (optimize_bitfield_assignment_op): Add a special case
3072         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3073
3074         * fold-const.c (fold_unary): New.
3075         (fold): Call fold_unary on unary expressions.
3076
3077 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3078
3079         * cgraph.h (struct cgraph_edge): Add prev_caller and
3080         prev_callee fields.
3081         (cgraph_node_remove_callees): Export.
3082         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3083         and prev_callee.
3084         (cgraph_edge_remove_callee): New function.
3085         (cgraph_edge_remove_caller): Likewise.
3086         (cgraph_remove_edge): Use.
3087         (cgraph_redirect_edge_callee): Likewise.
3088         (cgraph_node_remove_callees): New function.
3089         (cgraph_node_remove_callers): Likewise.
3090         (cgraph_remove_node): Use.
3091         * tree-optimize.c (tree_rest_of_compilation): Use
3092         cgraph_node_remove_callees instead of manual loop.
3093         * cgraphunit.c (cgraph_finalize_function): Likewise.
3094         (cgraph_expand_function): Likewise.
3095         (cgraph_remove_unreachable_nodes): Likewise.
3096
3097 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3098
3099         PR c/8927
3100         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3101         argument.
3102         * c-decl.c (undeclared_variable): Take location as argument.
3103         * c-typeck.c (build_external_ref): Likewise.
3104         * c-parser.c (c_parser_postfix_expression): Pass location of
3105         identifier to build_external_ref.
3106
3107 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3108
3109         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3110         CCEQ mode for branch_positive_comparison_operator test.
3111         * config/rs6000/predicates (branch_comparison_operator): Revert to
3112         define_predicate.
3113         (scc_comparison_operator): Same.
3114         (branch_positive_comparison_operator): Same.
3115
3116 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3117
3118         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3119         (cris_delay_slots_for_epilogue): Remove.
3120         (save_last): Move into cris_target_asm_function_epilogue.
3121         (cris_target_asm_function_epilogue): Remove tests for file being
3122         NULL.
3123         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3124         (cris_delay_slots_for_epilogue): Remove prototypes.
3125         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3126         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3127
3128 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3129
3130         * config/rs6000/predicates.md (branch_comparison_operator): Change
3131         to define_special_predicate.
3132         (scc_comparison_operator): Same.
3133         (branch_positive_comparison_operator): Same.
3134
3135 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3136
3137         * Makefile.in (tree-ssa-sink.o): New.
3138         (OBJS-common): Add tree-ssa-sink.o.
3139         * common.opt: Add -ftree-sink
3140         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3141         * timevar.def (TV_TREE_SINK): new timevar.
3142         * tree-flow.h (is_hidden_global_store): Prototype.
3143         * tree-optimize.c (init_tree_optimization_passes): Add
3144         pass_sink_code.
3145         * tree-pass.h (pass_sink_code): New.
3146         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3147         for non-obvious global store store to is_hidden_global_store, and
3148         call that new function.
3149         * tree-ssa-sink.c: New file.
3150         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3151         * doc/passes.texi: Document forward store motion.
3152         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3153         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3154         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3155         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3156
3157 2005-03-01  Per Bothner  <per@bothner.com>
3158
3159         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3160         and we have a non-zero column-number, add it to the message.
3161         Also factor out the diagnostic_kind_text.
3162
3163 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3164
3165         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3166         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3167         flow_loop_scan): Removed.
3168         (flow_loop_dump): Do not dump removed fields.
3169         (flow_loop_free): Do not free removed fields.
3170         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3171         (loop_exit_edge_p): New function.
3172         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3173         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3174         num_exits, exits_doms.
3175         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3176         LOOP_EDGES, LOOP_ALL): Removed.
3177         (flow_loop_scan): Declaration removed.
3178         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3179         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3180         flow_loops_find.
3181         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3182         (if_convert): Call flow_loops_find and flow_loops_free
3183         when calling mark_loop_exit_edges.
3184         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3185         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3186         free_dominance_info calls.
3187         * loop-init.c (flow_loops_find): Ditto.
3188         * passes.c (rest_of_handle_branch_prob): Ditto.
3189         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3190         * loop-unroll.c (analyze_insns_in_loop): Do not use
3191         EDGE_LOOP_EXIT.
3192         * predict.c (predict_loops): Do not call flow_loop_scan.
3193         Use get_loop_exit_edges.
3194         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3195         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3196         Do not use EDGE_LOOP_EXIT.
3197         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3198         to bb_with_exit_edge_p.
3199         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3200         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3201         to bb_with_exit_edge_p.
3202         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3203         EDGE_LOOP_EXIT.
3204         * tree-loop-linear.c (linear_transform_loops): Do not call
3205         flow_loop_scan.  Use loop->single_exit.
3206         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3207         (vect_analyze_loop_form): Do not call flow_loop_scan.
3208         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3209         loop->single_exit.
3210         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3211         loop->single_exit.
3212         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3213         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3214         slpeel_tree_duplicate_loop_to_edge_cfg,
3215         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3216         Use loop_preheader_edge and loop->single_exit.  Do not call
3217         flow_loop_scan.
3218
3219 2005-03-01  Nick Clifton  <nickc@redhat.com>
3220
3221         * config/arm/arm.c (thumb_find_work_register): Check all of the
3222         argument registers to see if they are free, and a couple of
3223         special cases where the last argument register but can be proved
3224         to be available during the function's prologue.
3225         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3226         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3227         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3228         register bit-mask.
3229         (thumb_compute_save_reg_mask): Likewise.  Also use
3230         thumb_find_work_register() to ensure that there is agreement about
3231         which work register is going to be used in the prologue.
3232         (thumb_output_function_prologue): Use unsigned long as the type
3233         for the register bit-mask.  Also delay pushing the link register if
3234         other high registers are going to be pushed.
3235         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3236         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3237         redundant prototypes.
3238
3239 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3240
3241         PR target/19819
3242         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3243         and after reload in REG+REG indexed addresses without REG_POINTER
3244         set in the base and not set in the index.
3245
3246 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3247
3248         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3249         Don't undefine here.
3250         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3251         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3252         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3253         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3254         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3255         Delete.
3256         * config.gcc (sh*-*-linux*): Use config/linux.h.
3257
3258 2005-02-28  Dale Johannesen  <dalej@apple.com>
3259             Stan Shebs  <shebs@apple.com>
3260
3261         Rewrite of 64-bit Darwin structure-by-value pass/return.
3262         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3263         intoffset, use_stack, named.
3264         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3265         (rs6000_darwin64_record_arg_advance_flush):  New.
3266         (rs6000_darwin64_record_arg_advance_recurse): New.
3267         (rs6000_darwin64_record_arg_flush):  New.
3268         (rs6000_darwin64_record_arg_recurse):  New.
3269         (rs6000_darwin64_record_arg):  New.
3270         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3271         (function_arg_boundary):  Handle 128-bit aligned structs.
3272         (function_arg_advance):  Rewrite darwin64 struct handling.
3273         (function_arg):  Call rs6000_darwin64_record_arg.
3274         (function_arg_partial_nregs):  Handle darwin64 structs.
3275         (rs6000_darwin64_function_value):  Remove.
3276         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3277
3278 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3279
3280         PR tree-optimization/20216
3281         * tree-chrec.c (tree_fold_factorial): Delete.
3282         (tree_fold_binomial): Change argument list to take a return type
3283         and change the type of K to unsigned int.  Rewrite to avoid explicit
3284         evaluation of factorials, and (recursively) calling fold to perform
3285         compile-time arithmetic.  Return NULL on (internal) overflow.
3286         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3287         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3288         if any intermediate calculation overflows.
3289         (chrec_apply): Update call to chrec_evaluate.
3290
3291 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3292
3293         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3294
3295 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3296
3297         PR c/20245
3298         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3299         instead of NULL_TREE on error.
3300
3301 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3302
3303         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3304         (EASY_VECTOR_15_ADD_SELF): Remove.
3305         (num_insns_constant_wide): Not static.
3306         (validate_condition_mode): Not static.
3307         (toc_relative_expr_p): Not static.
3308         (legitimate_indirect_address_p): Not static.
3309         (macho_lo_sum_memory_operand): Not static.
3310         (invalid_e500_subreg): Not static.
3311         (easy_vector_same): Not static.
3312         (easy_vector_splat_const): Not static.
3313         (RS6000_SYMBOL_REF_TLS_P): Remove.
3314         (any_operand): Delete.
3315         (any_parallel_operand): Delete.
3316         (count_register_operand): Delete.
3317         (altivec_register_operand): Delete.
3318         (xer_operand): Delete.
3319         (s8bit_cint_operand): Delete.
3320         (short_cint_operand): Delete.
3321         (u_short_cint_operand): Delete.
3322         (non_short_cint_operand): Delete.
3323         (exact_log2_cint_operand): Delete.
3324         (gpc_reg_operand): Delete.
3325         (cc_reg_operand): Delete.
3326         (cc_reg_not_cr0_operand): Delete.
3327         (reg_or_short_operand): Delete.
3328         (reg_or_neg_short_operand): Delete.
3329         (reg_or_aligned_short_operand): Delete.
3330         (reg_or_u_short_operand): Delete.
3331         (reg_or_cint_operand): Delete.
3332         (reg_or_arith_cint_operand): Delete.
3333         (reg_or_add_cint64_operand): Delete.
3334         (reg_or_sub_cint64_operand): Delete.
3335         (reg_or_logical_cint_operand): Delete.
3336         (got_operand): Delete.
3337         (got_no_const_operand): Delete.
3338         (easy_fp_constant): Delete.
3339         (easy_vector_constant): Delete.
3340         (easy_vector_constant_add_self): Delete.
3341         (zero_constant): Delete.
3342         (zero_fp_constant): Delete.
3343         (volatile_mem_operand): Delete.
3344         (offsettable_mem_operand): Delete.
3345         (mem_or_easy_const_operand): Delete.
3346         (add_operand): Delete.
3347         (non_add_cint_operand): Delete.
3348         (logical_operand): Delete.
3349         (non_logical_cint_operand): Delete.
3350         (mask_operand): Delete.
3351         (mask_operand_wrap): Delete.
3352         (mask64_operand): Delete.
3353         (mask64_2_operand): Delete.
3354         (and64_operand): Delete.
3355         (and64_2_operand): Delete.
3356         (and_operand): Delete.
3357         (reg_or_mem_operand): Delete.
3358         (lwa_operand): Delete.
3359         (symbol_ref_operand): Delete.
3360         (call_operand): Delete.
3361         (current_file_function_operand): Delete.
3362         (input_operand): Delete.
3363         (rs6000_nonimmediate_operand): Delete.
3364         (rs6000_tls_symbol_ref): Delete.
3365         (save_world_operation): Delete.
3366         (restore_world_operation): Delete.
3367         (load_multiple_operation): Delete.
3368         (store_multiple_operation): Delete.
3369         (vrsave_operation): Delete.
3370         (mfcr_operation): Delete.
3371         (mtcrf_operation): Delete.
3372         (lmw_operation): Delete.
3373         (stmw_operation): Delete.
3374         (branch_comparison_operator): Delete.
3375         (branch_positive_comparison_operator): Delete.
3376         (scc_comparison_operator): Delete.
3377         (trap_comparison_operator): Delete.
3378         (boolean_operator): Delete.
3379         (boolean_or_operator): Delete.
3380         (min_max_operator): Delete.
3381         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3382         (EASY_VECTOR_15): Moved to here.
3383         (EASY_VECTOR_15_ADD_SELF): Move to here.
3384         (PREDICATE_CODES): Delete.
3385         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3386         Declare functions no longer static.
3387         * config/rs6000/predicates.md: New.
3388         * config/rs6000/rs6000.md: Include predicates.md
3389
3390 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3391
3392         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3393         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3394         REG_ALWAYS_RETURN.
3395         * cfgrtl.c (need_fake_edge_p): Likewise.
3396         * combine.c (distribute_notes): Likewise.
3397         * emit-rtl.c (try_split): Likewise.
3398         * recog.c (peephole2_opimize): Likewise.
3399         * reg-notes.def (ALWAYS_RETURN): Remove.
3400         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3401         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3402         * tree.h (ECF_ALWAYS_RETURN): Remove.
3403
3404 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3405
3406         PR middle-end/19874
3407         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3408         between different machine modes is never a "useless" conversion.
3409
3410 2005-02-28  Geert Bosch  <bosch@gnat.com>
3411
3412         PR ada/15977
3413         * doc/contrib.texi: List contributors for Ada front end
3414
3415 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3416
3417         * simplify-rtx.c (simplify_unary_operation_1,
3418         simplify_const_unary_operation): New, extracted from...
3419         (simplify_unary_operation): ... this one.
3420         (simplify_binary_operation_1,
3421         simplify_const_binary_operation): New, extracted from...
3422         (simplify_binary_operation): ... this one.
3423         * rtl.h (simplify_const_unary_operation,
3424         simplify_const_binary_operation): Add prototypes.
3425
3426 2005-02-28  Julian Brown  <julian@codesourcery.com>
3427
3428         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3429         building libjava and caused PR regression/20228.
3430
3431 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3432
3433         PR bootstrap/17383
3434         * Makefile.in (host_subdir): New.
3435         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3436         * configure: Regenerate.
3437
3438 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3439
3440         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3441         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3442         installation directory first.
3443
3444 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3445
3446         PR target/19065.
3447         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3448         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3449         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3450         * config/cris/cris.md: Tweak comments referring to Q.
3451         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3452         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3453         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3454         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3455         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3456         Insert spaces in constraints to align alternatives vertically for
3457         readability.
3458         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3459         operand 1: "M".
3460
3461 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3462
3463         PR rtl-optimization/17728
3464         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3465         operand 0 from general_operand to move_dest_operand.
3466
3467 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3468
3469         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3470         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3471         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3472         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3473
3474 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3475
3476         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3477         * configure: Regenerate.
3478         * libada-mk.in: Remove CC; rename
3479         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3480
3481 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3482
3483         PR tree-opt/20188
3484         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3485         for the lhs, also walk over the tree.  Likewise for rhs.
3486
3487 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3488
3489         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3490         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3491         Do not propagate value of iv before increment over the increment.
3492
3493 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3494
3495         * c-parser.c: New file.
3496         * c-parse.in: Remove.
3497         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3498         Remove.
3499         (c-parser.o): Add dependencies.
3500         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3501         maintainer-clean, TAGS): Update.
3502         * c-config-lang.in (gtfiles): Update.
3503         * gengtype-lex.l: Don't handle "@@".
3504         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3505         objc_build_synchronized, objc_begin_try_stmt,
3506         objc_begin_catch_clause, objc_finish_catch_clause,
3507         objc_build_finally_clause, objc_finish_try_stmt): New.
3508         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3509         type_seen_p.
3510         (c_parse_init): Update comment.
3511         * c-decl.c (c_init_decl_processing): Update comment.
3512         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3513         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3514         new c_declspecs members.
3515
3516 2005-02-25  Julian Brown  <julian@codesourcery.com>
3517
3518         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3519         from being used for symbols with vague linkage when
3520         HAVE_GAS_COMDAT_GROUP is true.
3521
3522 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3523
3524         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3525
3526 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3527
3528         PR target/19930
3529         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3530         (LIBGCC2_HAS_DF_MODE): New.
3531         (LIBGCC2_HAS_XF_MODE): New.
3532         (LIBGCC2_HAS_TF_MODE): New.
3533         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3534         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3535         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3536         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3537         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3538         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3539         and add _fixtfdi, _fixunstfdi, _floatditf
3540         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3541         L_fixunstfdi, L_floatditf.
3542         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3543         (LIBGCC2_HAS_TF_MODE): Define.
3544
3545 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3546
3547         PR tree-optimization/20204
3548         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3549         REWRITE_THIS_STMT markers on PHI nodes.
3550         (rewrite_initialize_block): Likewise.
3551
3552 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3553
3554         * version.c (version_string): Update to 4.1.
3555
3556 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3557
3558         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3559         Clarify that the alternative way doesn't work in GNU C++.
3560
3561 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3562
3563         PR tree-optimization/19937
3564         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3565         to the type of the induction variable.
3566
3567 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3568
3569         PR rtl-optimization/20117
3570         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3571         the block including noncopyable insn.
3572
3573 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3574
3575         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3576         calls to find_reg_note.
3577
3578 2005-02-24  Richard Henderson  <rth@redhat.com>
3579
3580         PR tree-opt/20127
3581         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3582         the type.
3583
3584 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3585
3586         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3587         vector types if to use base reg for misaligned non-word ld/std.
3588
3589 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3590
3591         PR target/14619
3592         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3593         dwarf2 label manually and put it after, not before the prologue.
3594
3595 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3596
3597         PR target/19019
3598         * reload.c (operands_match_p): Only increment register number for
3599         SCALAR_INT_MODE_P modes in multiple hard registers.
3600
3601         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3602         Fix formatting.
3603
3604 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3605
3606         * ChangeLog.5: Fix log message typo(s).
3607         * ChangeLog.7: Likewise.
3608         * ChangeLog.tree-ssa: Likewise.
3609         * cfgexpand.c: Fix comment typo(s).
3610         * conflict.c: Likewise.
3611         * defaults.h: Likewise.
3612         * dwarf2out.c: Likewise.
3613         * gcse.c: Likewise.
3614         * ggc-page.c: Likewise.
3615         * tree-eh.c: Likewise.
3616         * tree-ssa-dom.c: Likewise.
3617
3618 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3619
3620         PR target/19019
3621         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3622         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3623         if SHARED is defined.
3624
3625         PR target/20196
3626         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3627         allow splitting only if operands 0 and 3 don't overlap.
3628
3629 2005-02-24  Richard Henderson  <rth@redhat.com>
3630
3631         PR middle-end/19953
3632         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3633         (fold_builtin_1): Call them.
3634         * fold-const.c (fold_complex_mult_parts): Split out from ...
3635         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3636         (fold_complex_div_parts, fold_complex_div): New.
3637         (fold): Use them.
3638         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3639
3640 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3641
3642         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3643         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3644
3645         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3646         (print_node): Likewise.
3647         Print TYPE_SIZES_GIMPLIFIED.
3648
3649 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3650
3651         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3652         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3653         operands as commutative in constraints.
3654
3655 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3656
3657         * tree-into-ssa.c: Re-organize internal functions.
3658
3659 2005-02-24  Richard Henderson  <rth@redhat.com>
3660
3661         PR middle-end/18902
3662         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3663         for c99.
3664         * common.opt (fcx-limited-range): New.
3665         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3666         * toplev.c (flag_complex_method): Initialize to 1.
3667         (process_options): Set flag_complex_method to 0 if
3668         flag_cx_limited_range.
3669         * doc/invoke.texi (-fcx-limited-range): New.
3670
3671 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3672
3673         * cse.c (delete_trivially_dead_insns): Speed up by using
3674         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3675         prev_real_insn.
3676
3677 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3678
3679         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3680         functions when -mid-shared-library is being used.
3681
3682 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3683
3684         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3685         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3686         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3687         * system.h: Poison LINK_LIBGCC_SPECIAL.
3688
3689 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3690
3691         * gengtype.c (note_insn_name): Make 1 element larger.
3692
3693 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3694
3695         PR target/20018
3696         PR rtl-optimization/20097
3697         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3698         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3699
3700 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3701
3702         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3703         * t-aix52 (SHLIB_INSTALL): Same.
3704
3705 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3706
3707         * genpreds.c: Update copyright.
3708
3709 2005-02-23  Michael Beach  <michaelb@ieee.org>
3710
3711         PR target/20159
3712         * config/sparc/t-elf (startup files): Assemble with CPP.
3713
3714 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3715
3716         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3717         (write_predicate_expr): Likewise.
3718
3719 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3720
3721         PR tree-optimization/20100
3722         PR tree-optimization/20115
3723         * tree-optimize.c (init_tree_optimization_passes): Remove
3724         pass_maybe_create_global_var.
3725         * tree-pass.h (pass_maybe_create_global_var): Remove.
3726         * tree-ssa-alias.c (aliases_computed_p): Declare.
3727         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3728         (count_calls_and_maybe_create_global_var): Remove.
3729         (pass_maybe_create_global_var): Remove.
3730         (init_alias_info): Do not declare aliases_computed_p.
3731         (maybe_create_global_var): If the function contains no
3732         call-clobbered variables and a mix of pure/const and regular
3733         function calls, create .GLOBAL_VAR.
3734         Mark all call-clobbered variables for renaming.
3735         (merge_pointed_to_info): Update comment.
3736         (add_pointed_to_var): Likewise.
3737         (is_escape_site): Likewise.
3738         Accept struct alias_info * instead of size_t *.
3739         Update all users.
3740         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3741         as necessary.
3742         * tree-ssa-operands.c (get_call_expr_operands): If
3743         ALIASES_COMPUTED_P is false, do not add call-clobbering
3744         operands.
3745         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3746         (delete_tree_ssa): Likewise.
3747
3748 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3749
3750         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3751         (do_compile): Do call it here.
3752
3753 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3754
3755         PR rtl-optimization/20017.
3756         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3757         rest_of_handle_cse2, rest_of_handle_gcse): Call
3758         delete_dead_jumptables immediately before calling cleanup_cfg.
3759
3760 2005-02-22  Devang Patel  <dpatel@apple.com>
3761
3762         PR 19952
3763         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3764         all labels
3765
3766 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3767
3768         * config/rs6000/aix.h (WINT_TYPE): Define.
3769
3770 2005-02-22  Stan Shebs  <shebs@apple.com>
3771
3772         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3773         natural alignment for 64-bit Darwin.
3774         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3775         on 64-bit Darwin.
3776         * doc/invoke.texi: Document this.
3777
3778 2005-02-22  DJ Delorie  <dj@redhat.com>
3779
3780         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3781         to make_[un]signed_type, not the mode itself.
3782
3783 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3784
3785         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3786         not available.  Use tail calls wherever possible.
3787         (make_edge): Call unchecked_make_edge to create an edge.
3788
3789         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3790         (coalesce_ssa_name): Don't check for
3791         SSANORM_USE_COALESCE_LIST.
3792         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3793
3794 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3795
3796         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3797         (rewrite_into_ssa): ... here.
3798
3799 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3800
3801         PR tree-optimization/19786
3802         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3803         tag to another's may-alias bitmap when adding to the other's list.
3804
3805 2005-02-21  DJ Delorie  <dj@redhat.com>
3806
3807         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3808         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3809         registers in unsupported ways.
3810         * expmed.c (init_expmed): Likewise.
3811
3812 2005-02-21  Stan Cox  <scox@redhat.com>
3813
3814         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3815
3816 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3817
3818         * tree-cfg.c (fold_cond_expr_cond): New.
3819         (make_edges): Call fold_cond_expr_cond.
3820         (find_taken_edge): Accept nothing but INTEGER_CST.
3821         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3822         and 1.
3823         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3824
3825         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3826         that do not belong to any basic block.
3827
3828 2005-02-21  Jeff Law  <law@redhat.com>
3829
3830         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3831         e->dest.
3832
3833 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3834
3835         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3836         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3837         Adjust their definitions.
3838         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3839         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3840
3841         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3842         genautomata.c, langhooks.c, langhooks.h, system.h,
3843         config/arm/lib1funcs.asm: Update copyright.
3844
3845 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3846
3847         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3848
3849 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3850
3851         PR bootstrap/13770
3852         * doc/install.texi: Document --with-gc.
3853
3854 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3855
3856         * simplify-rtx.c (simplify_unary_operation): Add a missing
3857         "break" statement.
3858
3859 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3860
3861         PR tree-optimization/18663
3862         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3863         if the type has variable bounds.
3864
3865 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3866
3867         * gcse.c: Remove an obsolete comment.
3868
3869         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3870
3871 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3872
3873         * doc/extend.texi (Function Attributes) <Attribute const>: The
3874         attribute "pure" is below this text, not above.
3875
3876 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3877
3878         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3879         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3880         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3881
3882 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3883
3884         PR 18785
3885         * langhooks.h (struct lang_hooks): Add to_target_charset.
3886         * langhooks.c (lhd_to_target_charset): New function.
3887         * langhooks-def.h: Declare lhd_to_target_charset.
3888         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3889         (LANG_HOOKS_INITIALIZER): Update.
3890         * c-common.c (c_common_to_target_charset): New function.
3891         * c-common.h: Declare it.
3892         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3893         c_common_to_target_charset.
3894
3895         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3896         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3897         Delete definitions.
3898         * system.h: Poison them.
3899         * doc/tm.texi: Don't discuss them.
3900         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3901         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3902         (pp_c_char): Do not attempt to generate letter escapes for
3903         newline, tab, etc.
3904         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3905         * config/mips/mips.c (mips_output_ascii): Likewise.
3906
3907 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3908
3909         PR tree-optimization/19951
3910         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3911         is abnormal.
3912
3913 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3914
3915         PR middle-end/19698
3916         * function.h (struct function): New field `max_loop_depth'.
3917         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3918         (flow_loops_find): Reset the max loop depth count before finding loops.
3919         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3920         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3921         (calculate_global_regs_live): Make sure the loop will terminate
3922         when the initial sets are not empty.
3923
3924 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3925
3926         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3927         object inside.
3928         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3929
3930 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3931
3932         PR other/19525
3933         * doc/invoke.texi: Remove documentation of %M spec.
3934         * gcc.c: Likewise.
3935         (init_spec): Remove %M suffix from -lgcc_s.
3936         (do_spec_1): Remove 'M' case.
3937         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3938         to put shared libraries in the multilib directory.  Remove the
3939         shlib_so_soname substitution variable.  Don't add a multilib encoding
3940         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3941         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3942         SHLIB_INSTALL as well as SHLIB_LINK.
3943         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3944         (SHLIB_NAME): Delete.
3945         (SHLIB_DIR): New macro.
3946         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3947         (SHLIB_INSTALL): Adjust accordingly.
3948         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3949         * config/t-slibgcc-sld: Likewise.
3950         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3951         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3952         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3953         in $(SHLIB_DIR).
3954         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3955         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3956         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3957         Use @shlib_base_name@ instead of @shlib_so_name@.
3958         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3959         and @shlib_base_name@.so in @multilib_dir@.
3960         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3961         to the install path.
3962         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3963         (SHLIB_LINK): Remove previous workaround.
3964         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3965         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3966         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3967         the install path.
3968         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3969         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3970         (SHLIB_INSTALL): Adjust accordingly.
3971         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3972         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3973         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3974         config/t-slibgcc-elf-ver.
3975
3976 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3977             Jakub Jelinek  <jakub@redhat.com>
3978
3979         PR tree-optimization/19828
3980         * tree-ssa-loop-im.c: Add a TODO comment.
3981         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3982         without side-effects.
3983
3984 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3985
3986         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3987         call fold_convert.
3988
3989 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3990
3991         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3992         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3993         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3994         functions.
3995         (ia64_reorg): Delete fixup_errata call.
3996         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3997         (TARGET_SWITCHES): Delete -mb-step entry.
3998
3999 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4000
4001         PR c/20043
4002         * c-typeck.c (composite_type): Handle quals in transparent unions.
4003         (type_lists_compatible_p): Likewise.
4004
4005 2005-02-18  Stan Shebs  <shebs@apple.com>
4006
4007         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4008         expressions in the .literal8 section.
4009
4010 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4011
4012         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4013
4014 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4015
4016         * fold-const.c (constant_boolean_node): Always create values of the
4017         specified type, don't bother calling truthvalue_conversion.
4018
4019 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4020
4021         * except.c (output_function_exception_table): Call
4022         assemble_external_libcall (eh_personality_libfunc).
4023
4024 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4025
4026         PR target/19886
4027         * config/ia64/ia64.h (struct machine_function): Add state_num.
4028         * config/ia64/ia64.c (process_epilogue,
4029         process_for_unwind_directive): Use new unwind state numbers each
4030         time rather than state 1.
4031
4032 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4033
4034         PR target/20054
4035         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4036         before the "*llgt_didi" pattern.
4037
4038 2005-02-18  Jason Merrill  <jason@redhat.com>
4039
4040         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4041
4042 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4043
4044         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4045         (div0): Use it in place of ARM_FUNC_ALIAS.
4046         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4047
4048 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4049
4050         PR middle-end/20030
4051         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4052         access, the lower bound of the array type if it exists.
4053
4054 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4055
4056         PR c++/20008
4057         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4058         cases that are out-of-range for the index type.
4059
4060 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4061
4062         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4063         (estimate_case_costs): Don't call convert.
4064         * expmed.c (expand_shift): Likewise.
4065         (make_tree): Call fold_convert instead of convert.
4066
4067 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4068
4069         PR c++/19813
4070         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4071         that ref to be marked MEM_READONLY_P doesn't have base that needs
4072         constructing.
4073
4074 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4075
4076         * genautomata.c (output_get_cpu_unit_code_func,
4077         output_cpu_unit_reservation_p): Don't generate old-style function
4078         definitions.
4079
4080 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4081
4082         PR c++/20023
4083         PR tree-optimization/20009
4084         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4085
4086         PR tree-optimization/18947
4087         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4088         inline, remove all nodes that are inlined into the extern inline
4089         being redefined.
4090
4091 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4092
4093         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4094         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4095         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4096         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4097         Update copyright.
4098
4099 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4100
4101         PR tree-optimization/19917
4102         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4103         to be potentially trapping.
4104
4105 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4106
4107         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4108
4109 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4110
4111         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4112         tem becomes a local variable which is set to the value of the
4113         back end defined INITIAL_FRAME_ADDRESS macro.
4114         (expand_builtin_frame_address): Omit the base parameter to
4115         expand_builtin_return_addr.
4116         (expand_builtin_profile_func): Likewise.
4117         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4118         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4119         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4120
4121 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4122
4123         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4124         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4125         * config/frv/frv.c (frv_function_epilogue): Likewise.
4126
4127 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4128
4129         * lambda-code (perfect_nestify): Remove mark/unmark
4130         for rewriting hack.
4131         * tree-loop-linear.c (linear_transform_loops): Add
4132         rewrite_into_ssa call so that ssa is correct for
4133         rewriting into loop closed.
4134
4135 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4136
4137         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4138         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4139         BITMAP_FREE.
4140         * bt-load.c (btr_def_live_range, combine_btr_defs,
4141         migrate_btr_def, migrate_btr_defs): Likewise.
4142         * cfgcleanup.c (thread_jump): Likewise.
4143         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4144         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4145         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4146         df_rd_local_compute, df_reg_info_compute): Likewise.
4147         * dominance.c (init_dom_info, free_dom_info): Likewise.
4148         * flow.c (init_propagate_block_info,
4149         free_propagate_block_info): Likewise.
4150         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4151         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4152         modify_reg_pav): Likewise.
4153         * loop-invariant.c (find_defs, find_invariant_insn,
4154         find_invariants, free_inv_motion_data): Likewise.
4155         * predict.c (tree_predict_by_opcode,
4156         estimate_bb_frequencies): Likewise.
4157         * stmt.c (expand_case): Likewise.
4158         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4159         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4160         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4161         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4162         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4163         rewrite_ssa_into_ssa): Likewise.
4164         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4165         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4166         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4167         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4168         * tree-sra.c (tree_sra): Likewise.
4169         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4170         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4171         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4172         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4173         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4174         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4175         Likewise.
4176         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4177         calculate_live_on_entry, calculate_live_on_exit,
4178         build_tree_conflict_graph): Likewise.
4179         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4180         record_important_candidates, set_use_iv_cost, find_depends,
4181         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4182         tree_ssa_iv_optimize_finalize): Likewise.
4183         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4184         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4185         tree_duplicate_loop_to_header_edge): Likewise.
4186         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4187         * tree-ssa.c (verify_flow_insensitive_alias_info,
4188         verify_name_tags, verify_ssa, init_tree_ssa,
4189         delete_tree_ssa): Likewise.
4190         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4191         fini_ssanames): Likewise.
4192         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4193
4194 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4195
4196         * config/rs6000/t-rtems: Completely reworked.
4197
4198 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4199
4200         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4201
4202 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4203
4204         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4205         POINTER_TYPE_P when checking that type is a pointer.
4206         (vect_get_memtag): Remove.
4207         (vect_address_analysis): Use POINTER_TYPE_P. Call
4208         vect_object_analysis with dummy parameter for memtag.
4209         (vect_object_analysis): Extract memtag (functionality that
4210         used to be in vect_get_memtag and moved here). Fix printings.
4211         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4212         with correct parameters. Remove call to vect_get_memtag.
4213
4214 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4215
4216         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4217         (tree-vectorizer.o): Added missing dependencies.
4218
4219         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4220         decleration.
4221         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4222         declaration in tree-vectorizer.c, now has an extern declaration in
4223         tree-vectorizer.h).
4224         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4225         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4226         get_vectype_for_scalar_type, vect_is_simple_use,
4227         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4228         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4229         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4230         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4231         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4232         find_loop_location): Likewise.
4233
4234         * tree-vectorizer.c (langhooks.h): #include removed.
4235         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4236         moved to tree-vectorized.h.
4237         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4238         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4239         get_vectype_for_scalar_type, vect_is_simple_use,
4240         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4241         vect_supportable_dr_alignment, new_loop_vec_info,
4242         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4243         vect_set_verbosity_level, find_loop_location): Likewise.
4244
4245         (vect_analyze_loop): Function externalized. Declaration moved to
4246         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4247         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4248         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4249         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4250         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4251         vect_enhance_data_refs_alignment, vect_analyze_operations,
4252         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4253         vect_stmt_relevant_p, vect_get_loop_niters,
4254         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4255         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4256         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4257         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4258         vect_get_memtag): Likewise.
4259
4260         (vectorizable_load): Function externalized. Declaration moved to
4261         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4262         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4263         vect_transform_loop): Likewise.
4264         (vect_transform_stmt): Moved to tree-vect-transform.c.
4265         (vect_align_data_ref, vect_create_destination_var,
4266         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4267         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4268         vect_get_vec_def_for_operand, vect_init_vector,
4269         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4270         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4271         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4272         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4273         vect_do_peeling_for_loop_bound): Likewise.
4274
4275         * tree-vect-analyze.c: New file.
4276         * tree-vect-transform.c: New file.
4277
4278 2005-02-17  Jason Merrill  <jason@redhat.com>
4279
4280         PR mudflap/19319, c++/19317
4281         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4282         slot explicit.
4283
4284 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4285
4286         * doc/install.texi (Specific): Update link for Darwin-specific
4287         tool binary site.
4288
4289 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4290
4291         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4292         constant_boolean_node.
4293
4294 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4295
4296         PR target/19019
4297         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4298         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4299
4300 2005-02-16  Richard Henderson  <rth@redhat.com>
4301
4302         PR 19920
4303         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4304         with W_TYPE_SIZE.
4305         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4306         replace uses with Wtype_MAXp1_F.
4307         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4308         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4309         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4310         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4311         and HAVE_TFMODE as appropriate.
4312         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4313         (__floatdisf): Likewise.
4314         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4315         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4316         (Wtype_MAXp1_F): New.
4317         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4318         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4319
4320 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4321
4322         * PR target/19162
4323         * arm.c (arm_apply_result_size): New function.
4324         * arm.h (APPLY_RESULT_SIZE): Define.
4325         * arm-protos.h (arm_apply_result_size): Add prototype.
4326         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4327         (movxf): New expand.
4328         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4329         (call_value_symbol): Remove predicate for operand 0.
4330         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4331         (untyped_call): Rework to correclty return values for any type.
4332         (untyped_return): New expand.
4333         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4334
4335 2005-02-16  Stan Shebs  <shebs@apple.com>
4336
4337         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4338         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4339
4340 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4341
4342         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4343         configure settings on Solaris 7 and later.
4344
4345 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4346
4347         PR tree-optimization/19865
4348         * tree-optimize.c (init_tree_optimization_passes): Run
4349         pass_may_alias after pass_sra.
4350
4351 2005-02-16  Richard Henderson  <rth@redhat.com>
4352             Stuart Hastings  <stuart@apple.com>
4353
4354         PR debug/19521
4355         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4356         Do nothing if debug info suppressed for this function.
4357         (dbxout_begin_function): Early exit if debug info suppressed for
4358         this function.
4359
4360 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4361
4362         PR target/20007
4363         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4364         find_basic_blocks.
4365         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4366
4367         PR tree-optimization/19967
4368         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4369         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4370         argument TYPE.  Adjust calls to fold_builtin_XXX.
4371         (expand_builtin, fold_builtin_1): Adjust calls to
4372         expand_builtin_XXX.
4373         (fold_builtin_strchr, fold_builtin_strpbrk,
4374         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4375         result to a requested type TYPE.
4376
4377 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4378
4379         PR middle-end/19857
4380         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4381         (T)x & (T)cst if (T)cst overflows.
4382         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4383         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4384
4385 2005-02-15  Jeff Law  <law@redhat.com>
4386
4387         * gcse.c (blocks_with_calls): New bitmap.
4388         (alloc_gcse_mem): Allocate it.
4389         (free_gcse_mem): Free it.
4390         (clear_modifY_mem_tables): Clear it.
4391         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4392         when we encounter CALL_INSNs.
4393         (compute_transp, case MEM): Handle blocks with calls separate
4394         from blocks without calls.  Use bitmap iterators rather than
4395         FOR_EACH_BB.
4396
4397 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4398
4399         PR bootstrap/18810
4400         * mklibgcc.in (vis_hide): Use a temporary object file, not
4401         -o /dev/null.
4402
4403 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4404
4405         PR target/19924
4406         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4407         access optimization.
4408
4409 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4410             Alan Modra  <amodra@bigpond.net.au>
4411
4412         PR target/19019
4413         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4414         (_xlqsub): Rename to __gcc_qsub.
4415         (_xlqmul): Rename to __gcc_qmul.
4416         (_xlqdiv): Rename to __gcc_qdiv.
4417         Provide versioned symbol aliases with old names.
4418         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4419         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4420         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4421         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4422         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4423
4424 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4425
4426         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4427         Fold ~(A - 1) and ~(A + -1) to -A.
4428
4429 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4430
4431         PR pch/14940
4432         PR target/19300
4433         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4434         config/pa/pa-host.c:pa_gt_pch_use_address.
4435
4436 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4437
4438         * tree-vn.c (get_value_handle): Make sure that given an
4439         is_gimple_min_invariant expression, we always return it.
4440
4441 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4442
4443         * passes.c (rest_of_handle_gcse): Fix a comment.
4444
4445 2005-02-15  Jeff Law  <law@redhat.com>
4446
4447         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4448         bitmap.
4449         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4450         (canon_list_insert, record_last_mem_set_info): Similarly.
4451         (clear_modify_mem_tables): Similarly.
4452
4453 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4454
4455         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4456         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4457         config/mips/mips.md, config/rs6000/aix.h,
4458         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4459
4460 2005-02-15  Richard Henderson  <rth@redhat.com>
4461
4462         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4463         call to be best_edge.
4464
4465 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4466
4467         * basic-block.h: Adjust the prototype for find_basic_blocks.
4468         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4469         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4470         find_basic_blocks.
4471
4472         * flow.c (recompute_reg_usage): Remove all arguments.
4473         * passes.c (rest_of_compilation): Adjust the call to
4474         recompute_reg_usage.
4475         * rtl.h: Adjust the prototype for recompute_reg_usage.
4476
4477 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4478
4479         * tree-dump.c (dump_files): Update to reflect new member
4480         of dump_file_info.
4481         (dump_register): Add new argument.
4482         Set glob name.
4483         (dump_switch_p_1): Check against glob name if doglob was passed.
4484         (dump_switch_p): Check against regular first, then glob if
4485         we didn't have any hits on the dump name.
4486         * tree-optimize.c (register_one_dump_file):
4487         Pass in glob name as well.
4488         * tree-pass.h (struct dump_file_info): Add glob
4489         member.
4490
4491 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4492
4493         PR preprocessor/16323
4494         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4495
4496 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4497
4498         PR target/19019
4499         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4500         (trunctfdf2_internal1): New.
4501         (trunctfdf2_internal2): Renamed from trunctfdf2.
4502
4503 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4504
4505         PR tree-optimization/19853
4506         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4507
4508 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4509
4510         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4511         delete_dead_jumptables and cleanup_cfg.
4512
4513 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4514
4515         * reload.c (find_reloads): Swap address_reloaded flags when
4516         swapping commutative operands.
4517
4518 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4519
4520         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4521         Use standard_iv_increment_position for computing the bsi position
4522         for create_iv.
4523         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4524         the bsi position.
4525
4526 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4527
4528         PR target/17428
4529         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4530         life range of hard registers.
4531         * value-prof.c (insn_prefetch_values_to_profile): Only
4532         scan normal insns.
4533
4534         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4535         profile in libcalls.
4536
4537 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4538
4539         * bitmap.h (bitmap_and_compl_into): Return bool.
4540         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4541
4542 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4543
4544         PR tree-optimization/19944
4545         * fold-const.c (fold): Re-add ABS_EXPR folding.
4546
4547 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4548
4549         PR target/19019
4550         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4551         {TARGET,MASK}_XL_COMPAT.
4552         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4553         MASK_XL_COMPAT.
4554         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4555         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4556         TARGET_XL_COMPAT.
4557         (rs6000_arg_partial_bytes): Same.
4558         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4559         and XL compatibility enabled.
4560         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4561         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4562         test to final condition.
4563         (cmptf_internal2): New.
4564         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4565         xl-compat.  Add TFmode information to description.
4566
4567 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4568
4569         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4570
4571 2005-02-13  Jason Merrill  <jason@redhat.com>
4572
4573         PR c++/16405
4574         * fold-const.c (fold_indirect_ref_1): Split out from...
4575         (build_fold_indirect_ref): Here.
4576         (fold_indirect_ref): New fn.
4577         * tree.h: Declare it.
4578         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4579         (gimplify_modify_expr_rhs): Likewise.
4580         (gimplify_expr): Likewise.
4581
4582 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4583
4584         PR tree-optimization/14303
4585         PR tree-optimization/15784
4586         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4587         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4588         ABS_EXPR<x> != 0 to x != 0.
4589
4590 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4591
4592         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4593         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4594         spelling conventions.
4595
4596         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4597         delete_trivially_dead_insns too many times.
4598
4599         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4600         tem and tem2.
4601
4602 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4603
4604         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4605         (vect_is_simple_iv_evolution): Remove redundant parameter
4606         and step check.
4607         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4608         without last parameter.
4609         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4610         Return pointer step. Call vect_is_simple_iv_evolution without
4611         last parameter. Check only that the step is multiple of size
4612         type. Remove stmt_vinfo updates.
4613         (vect_get_memtag_and_dr): Remove.
4614         (vect_get_memtag): New function.
4615         (vect_address_analysis): New function.
4616         (vect_object_analysis): New function.
4617         (vect_analyze_data_refs): Call vect_object_analysis and
4618         vect_get_memtag. Update stmt_vinfo fields.
4619
4620 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4621
4622         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4623         exist and are objects. Remove checks for pointer.
4624         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4625         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4626         (vect_create_data_ref_ptr): Likewise.
4627         (vect_base_addr_differ_p): New function.
4628         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4629         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4630         Don't set the DR_BASE_NAME field of data-ref.
4631         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4632
4633 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4634
4635         * optabs.h (enum optab_index): Add new OTI_ldexp.
4636         (ldexp_optab): Define corresponding macro.
4637         * optabs.c (init_optabs): Initialize ldexp_optab.
4638         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4639         patterns.
4640         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4641         using ldexp_optab.
4642         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4643         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4644
4645         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4646         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4647         intrinsics.
4648
4649 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4650
4651         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4652         to base_address.
4653         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4654         stmt_vec_info.
4655         (vect_get_base_and_offset): Always return an address.
4656         (vect_create_addr_base_for_vector_ref): Remove treatment for
4657         different data reference types.
4658         (vect_compute_data_ref_alignment): Rename base to base_address in
4659         stmt_vec_info. Get the object in order to force its alignment.
4660         (vect_get_memtag_and_dr): Rename base to base_address in
4661         stmt_vec_info. Extract the object for memtag analysis.
4662
4663 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4664
4665         PR regression/19898.
4666         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4667         changes cc_status, use apply modified_in_p to part of cc_status
4668         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4669         body.
4670
4671 2005-02-11  Richard Henderson  <rth@redhat.com>
4672
4673         * tree-complex.c (expand_complex_libcall): New.
4674         (expand_complex_multiplication): Use it for c99 compliance.
4675         (expand_complex_division): Likewise.
4676         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4677         (fold): Call them.
4678         * builtins.c (built_in_names): Remove const.
4679         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4680         builtins.
4681         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4682         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4683         (built_in_names): Remove const.
4684         * c-common.c (c_common_type_for_mode): Handle complex modes.
4685         * flags.h, toplev.c (flag_complex_method): Rename from
4686         flag_complex_divide_method.
4687         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4688         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4689         * libgcc2.h: Declare them.
4690         * libgcc-std.ver: Export them.
4691         * mklibgcc.in (lib2funcs): Build them.
4692
4693 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4694
4695         PR tree-optimization/19876
4696         Partially revert my change from 2005-01-14
4697         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4698         (compute_antic): ...and remove the loop here.
4699
4700 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4701
4702         PR middle-end/19858
4703         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4704         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4705
4706         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4707         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4708
4709 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4710
4711         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4712         offsets for the big-endian 32-bit case.
4713
4714 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4715
4716         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4717
4718 2005-02-11  Dale Johannesen  <dalej@apple.com>
4719
4720         * cselib.c (cselib_process_insn):  Clear out regs where
4721         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4722         * reload.c (find_equiv_reg): Ditto.
4723
4724 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4725
4726         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4727         with no elements.
4728
4729         * tree.c (build_function_type_list): Work correctly if there are
4730         no arguments.
4731
4732 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4733
4734         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4735         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4736         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4737         TARGET_ZARCH instead of TARGET_64BIT.
4738
4739 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4740
4741         * config/rs6000/t-rtems:
4742         (MULTILIB_OPTIONS): Remove mcpu=602.
4743         (MUTLILIB_DIRNAMES): Remove m602.
4744         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4745         Let mcpu=602 match mcpu=603.
4746         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4747
4748 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4749
4750         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4751         signal trampolines.
4752
4753 2005-02-10  David Daney  <ddaney@avtrex.com>
4754
4755         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4756         * config/i386/linux-unwind.h: Likewise.
4757         * config/ia64/linux-unwind.h: Likewise.
4758         * config/mips/linux-unwind.h: Likewise.
4759         * config/pa/linux-unwind.h: Likewise.
4760         * config/rs6000/linux-unwind.h: Likewise.
4761         * config/s390/linux-unwind.h: Likewise.
4762         * config/sh/linux-unwind.h: Likewise.
4763         * config/sparc/linux-unwind.h: Likewise.
4764
4765 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4766
4767         PR tree-optimization/17549
4768         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4769         TER to replace a DEF with its expression if the DEF and the
4770         rhs of the expression we replace into have the same root
4771         variable.
4772
4773 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4774
4775         * config/mips/mips.md: Fix the placement of the match_scratch in the
4776         lea64 peephole2.
4777
4778 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4779
4780         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4781         Fix comment typos.
4782
4783 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4784
4785         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4786         (strip_offset): Handle addresses.
4787         (add_address_candidates): Use strip_offset.
4788         (difference_cost): Reflect strip_offset change.
4789         (force_var_cost, difference_cost): Strip nops.
4790
4791 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4792
4793         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4794
4795         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4796         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4797         config/cris/cris-protos.h, config/cris/cris.c: Update
4798         copyright.
4799
4800 2005-02-10  Jeff Law  <law@redhat.com>
4801
4802         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4803         (lookup_avail_expr): Similarly.
4804
4805 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4806
4807         * builtins.c (fold_builtin_powi): New function.
4808         (fold_builtin_1): Call it.
4809
4810 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4811
4812         PR documentation/19309
4813         * doc/cpp.texi: The __GNUC__ and related predefined macros
4814         are also defined for the "standalone" cpp.
4815         Some non-GCC compilers may also define __GNUC__.
4816
4817 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4818
4819         PR c/19342
4820         * c-typeck.c (common_type): New routine.  Old common_type renamed
4821         to...
4822         (c_common_type): ...this.
4823         (build_conditional_expr, build_binary_op): Use c_common_type instead
4824         of common_type.
4825
4826 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4827
4828         * doc/md.texi: Replace @samp{length} with @code{length}.
4829
4830 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4831
4832         PR tree-optimization/18687
4833         * tree-flow.h (find_loop_niter): Declare.
4834         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4835         Try using scev even for loops with more than one exit.
4836         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4837         (struct ivopts_data): Added niters field.
4838         (struct nfe_cache_elt): New.
4839         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4840         functions.
4841         (tree_ssa_iv_optimize_init): Initialize niters cache.
4842         (determine_number_of_iterations): Removed.
4843         (find_induction_variables): Do not call determine_number_of_iterations.
4844         Access niters for single exit through niter_for_single_dom_exit.
4845         (add_iv_outer_candidates): Access niters for single exit through
4846         niter_for_single_dom_exit.
4847         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4848         number_of_iterations_cond.
4849         (iv_period): New function.
4850         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4851         (may_replace_final_value): Take data argument.  Use
4852         niter_for_single_dom_exit.
4853         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4854         (rewrite_use_compare): Pass data to may_eliminate_iv.
4855         (rewrite_use_outer): Pass data to may_replace_final_value.
4856         (free_loop_data): Clean up the niters cache.
4857         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4858         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4859         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4860         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4861         (num_ending_zeros): Moved to tree.c.
4862         * tree.h (num_ending_zeros): Declare.
4863         * tree.c (num_ending_zeros): Moved from tree.c.
4864
4865 2005-02-09  Richard Henderson  <rth@redhat.com>
4866
4867         * builtins.c (DEF_BUILTIN): Add COND argument.
4868         * tree.h (DEF_BUILTIN): Likewise.
4869         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4870         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4871         match.
4872         (DEF_BUILTIN_STUB): New.
4873         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4874         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4875         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4876         * c-common.c (DEF_BUILTIN): Add COND argument.
4877         * tree.c (local_define_builtin): New.
4878         (build_common_builtin_nodes): New.
4879
4880 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4881
4882         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4883         floating point expression ignoring the sign of the result.
4884         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4885         (fold) <MULT_EXPR>: Use it to simplify x*x.
4886         * tree.h (fold_strip_sign_ops): Prototype here.
4887         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4888         argument.  Use fold_strip_sign_ops to simplify the first argument.
4889         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4890         first argument when the second argument is an even integer
4891         constant, but only with -funsafe_math_optimizations.
4892         (fold_builtin_1): Update call to fold_builtin_copysign.
4893
4894 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4895
4896         PR middle-end/19583
4897         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4898         just check whether EH_FILTER_FAILURE falls through.
4899
4900 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4901
4902         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4903         insns return to ready list in the next turn.
4904
4905 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4906
4907         PR middle-end/19402
4908         * builtins.def: New __builtin_powi[lf].
4909         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4910         (expand_builtin_powi): New function.
4911         (expand_builtin): Dispatch to expand_builtin_powi.
4912         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4913         * libgcc2.c: Add __builtin_powi[lf] implementation.
4914         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4915         * optabs.h: Add powi_optab.
4916         * optabs.c (init_optabs): Initialize powi_optab.
4917         * doc/extend.texi: Document __builtin_powi[lf].
4918
4919 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4920
4921         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4922         exists.
4923
4924 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4925
4926         PR middle-end/19854
4927         * fold-const.c (try_move_mult_to_index): Remove redundant
4928         type argument.  Create ADDR_EXPR with correct type.
4929         (fold): Update callers of try_move_mult_to_index.  Convert
4930         result to the appropriate type.
4931
4932 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4933
4934         PR target/19597
4935         * config/avr/avr.c (default_rtx_costs): Delete.
4936         (avr_operand_rtx_cost): New function.
4937         (avr_rtx_costs): Completely rewrite.
4938
4939 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4940
4941         PR target/19806
4942         * config/cris/cris.c (in_code): New variable.
4943         (cris_output_addr_const): Now a static function, a wrapper for
4944         output_addr_const.
4945         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4946         case from old cris_output_addr_const.
4947         (cris_asm_output_label_ref): Similar for LABEL_REF.
4948         (cris_output_addr_const_extra): Similar for UNSPEC.
4949         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4950         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4951         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4952         declaration.
4953         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4954         (cris_asm_output_label_ref): Declare.
4955
4956 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4957
4958         PR preprocessor/19801
4959         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4960         filenames that changed when libcpp was moved to the toplevel.
4961
4962 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4963
4964         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4965         zero extensions of BImode operands.  Call lowpart_subreg instead
4966         of gen_lowpart_common and gen_lowpart_SUBREG.
4967
4968 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4969
4970         PR ada/19489
4971         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4972         * configure.ac: Set cc_for_cross_gnattools.
4973         * configure: Regenerate.
4974
4975 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4976
4977         PR target/19803
4978         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4979
4980 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4981
4982         PR debug/19327
4983         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4984         of nested functions.
4985
4986 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4987
4988         * doc/extend.texi: Document deprecated extensions allowing
4989         static floating-point members to have initializers and allowing
4990         floating-point literals in integral constant expressions.
4991
4992 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4993
4994         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4995         config/darwin7.h, config/mips/mips.c,
4996         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4997         Update copyright.
4998
4999         * cse.c: Update comments.
5000
5001 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5002
5003         PR middle-end/19775
5004         * builtins.c (fold_builtin_sqrt): Transform
5005         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5006         pow(x,y*0.5).
5007
5008 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5009             Dorit Naishlos  <dorit@il.ibm.com>
5010
5011         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5012         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5013         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5014         was added.
5015         * tree.h (vect_set_verbosity_level): New extern function declaration
5016         added.
5017         * tree-vectorizer.h (verbosity_levels): New enum type.
5018         * tree-vectorizer.c (vect_debug_stats): Function removed.
5019         (vect_debug_details): Likewise.
5020         (vect_verbosity_level): Global variable was defined and initialized.
5021         (vect_dump): Global variable definition.
5022         (vect_print_dump_info): New function.
5023         (vect_set_dump_settings): New function.
5024         (vect_set_verbosity_level): New function.
5025         (vectorize_loops): Add call to vect_set_dump_settings.
5026
5027         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5028         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5029         (slpeel_tree_peel_loop_to_edge): Likewise.
5030
5031         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5032         appropriate verbosity level instead of call to vect_debug_details
5033         or vect_debug_stats.
5034         (vect_get_base_and_offset):
5035         (vect_create_addr_base_for_vector_ref):
5036         (get_vectype_for_scalar_type):
5037         (vect_create_data_ref_ptr):
5038         (vect_init_vector):
5039         (vect_get_vec_def_for_operand):
5040         (vect_finish_stmt_generation):
5041         (vectorizable_assignment):
5042         (vectorizable_operation):
5043         (vectorizable_store):
5044         (vectorizable_load):
5045         (vect_transform_stmt):
5046         (vect_update_ivs_after_vectorizer):
5047         (vect_do_peeling_for_loop_bound):
5048         (vect_update_inits_of_drs):
5049         (vect_do_peeling_for_alignment):
5050         (vect_transform_loop):
5051         (vect_is_simple_use):
5052         (vect_analyze_operations):
5053         (vect_is_simple_iv_evolution):
5054         (vect_analyze_scalar_cycles):
5055         (vect_analyze_data_ref_dependence):
5056         (vect_analyze_data_ref_dependences):
5057         (vect_compute_data_ref_alignment):
5058         (vect_enhance_data_refs_alignment):
5059         (vect_analyze_data_refs_alignment):
5060         (vect_analyze_data_ref_access):
5061         (vect_analyze_data_ref_accesses):
5062         (vect_analyze_pointer_ref_access):
5063         (vect_get_memtag_and_dr):
5064         (vect_analyze_data_refs):
5065         (vect_mark_relevant):
5066         (vect_stmt_relevant_p):
5067         (vect_mark_stmts_to_be_vectorized):
5068         (vect_can_advance_ivs_p):
5069         (vect_get_loop_niters):
5070         (vect_analyze_loop_form):
5071         (vect_analyze_loop):
5072         (vectorize_loops): Likewise.
5073
5074         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5075         (vect_update_inits_of_drs):
5076         (vect_do_peeling_for_alignment):
5077         (vect_transform_loop):
5078         (vect_analyze_operations):
5079         (vect_analyze_scalar_cycles):
5080         (vect_analyze_data_ref_dependences):
5081         (vect_analyze_data_refs_alignment):
5082         (vect_analyze_data_ref_accesses):
5083         (vect_analyze_data_refs):
5084         (vect_mark_stmts_to_be_vectorized):
5085         (vect_get_loop_niters):
5086         (vect_analyze_loop_form):
5087         (vect_analyze_loop): Likewise.
5088         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5089
5090 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5091
5092         PR bootstrap/19796
5093         Revert:
5094         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5095         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5096         either -ffast-math or -funsafe-math-optimizations is in use.
5097
5098         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5099         * config/mips/irix-csr.c: New file.
5100         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5101         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5102         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5103         executables.
5104
5105 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5106
5107         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5108         redundant, incorrect definitions.
5109
5110         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5111         expand.
5112         ("*tls_indirect_call"): New, reference hard regs directly.
5113         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5114
5115 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5116
5117         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5118         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5119
5120 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5121
5122         PR rtl-optimization/19800
5123         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5124         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5125         gen_lowpart.
5126
5127 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5128
5129         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5130
5131 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5132
5133         PR other/17135
5134         * doc/invoke.texi: Correct documentation of -freorder-functions.
5135
5136 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5137
5138         PR other/14402
5139         * doc/invoke.texi: Don't mention gccbug.
5140
5141 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5142             Andrew Pinski  <pinskia@physics.uc.edu>
5143             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5144
5145         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5146         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5147         into just (zero_extract:SI FOO (const_int 1) BAR).
5148
5149 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5150
5151         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5152         macro locally.  Don't give last revision date.  Use GCC version
5153         number from gcc-common.texi.
5154         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5155         revision date.  Use GCC version number from gcc-common.texi.
5156         Describe being a library as current state rather than as 3.x
5157         history.
5158         * doc/gcc.texi: Remove last update date.
5159         * doc/gccint.texi: Likewise.  Update copyright dates.
5160         * doc/install.texi: Update copyright dates.
5161
5162 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5163
5164         PR other/7549
5165         * doc/invoke.texi: Mention for each option included in -Wall that
5166         it is included in -Wall.
5167         * doc/gcc.texi: Update copyright and last modification date.
5168
5169 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5170
5171         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5172         unnecessary cast to original induction variable increments.
5173
5174 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5175
5176         PR tree-optimization/18219
5177         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5178         in distributed form.
5179
5180 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5181
5182         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5183         Set bitpos and offset later in the function.  Do nothing if the
5184         target is a register and if the bitfield lies completely outside
5185         that register.
5186         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5187         here.  Return an uninitialised register if the source value is stored
5188         in a register and the bitfield lies completely outside that register.
5189
5190 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5191
5192         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5193         not SET_DEST.
5194
5195 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5196
5197         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5198
5199 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5200
5201         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5202         * config/darwin8.h: New.
5203         * config/darwin7.h: Update comment.
5204
5205 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5206             Dorit Naishlos  <dorit@il.ibm.com>
5207
5208         * tree-vectorizer.h (LOC): New type.
5209         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5210         (loop_line_number): New field in struct _loop_vec_info.
5211         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5212
5213         * tree-vectorizer.c (input.h): Included.
5214         (find_loop_location): New function.
5215         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5216         loop line number removed.
5217         (vect_debug_details): Likewise.
5218         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5219
5220         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5221         call to vect_debug_details/stats changed from loop to loop_loc.
5222         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5223         (slpeel_tree_peel_loop_to_edge): Likewise.
5224
5225         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5226         changed from NULL to UNKNOWN_LOC.
5227         (vect_get_base_and_offset):
5228         (vect_create_addr_base_for_vector_ref):
5229         (get_vectype_for_scalar_type):
5230         (vect_create_data_ref_ptr):
5231         (vect_init_vector):
5232         (vect_get_vec_def_for_operand):
5233         (vect_finish_stmt_generation):
5234         (vectorizable_assignment):
5235         (vectorizable_operation):
5236         (vectorizable_store):
5237         (vectorizable_load):
5238         (vect_transform_stmt):
5239         (vect_update_ivs_after_vectorizer):
5240         (vect_do_peeling_for_loop_bound):
5241         (vect_do_peeling_for_alignment):
5242         (vect_transform_loop):
5243         (vect_is_simple_use):
5244         (vect_analyze_operations):
5245         (vect_is_simple_iv_evolution):
5246         (vect_analyze_scalar_cycles):
5247         (vect_analyze_data_ref_dependences):
5248         (vect_compute_data_ref_alignment):
5249         (vect_enhance_data_refs_alignment):
5250         (vect_analyze_data_ref_access):
5251         (vect_analyze_data_ref_accesses):
5252         (vect_analyze_pointer_ref_access):
5253         (vect_get_memtag_and_dr):
5254         (vect_analyze_data_refs):
5255         (vect_mark_relevant):
5256         (vect_stmt_relevant_p):
5257         (vect_mark_stmts_to_be_vectorized):
5258         (vect_can_advance_ivs_p):
5259         (vect_get_loop_niters):
5260         (vect_analyze_loop):
5261         (vectorize_loops): Likewise.
5262
5263         (vectorizable_load): Argument in call to vect_debug_details/stats
5264         changed from loop to LOOP_LOC (loop_vinfo).
5265         (vect_transform_loop):
5266         (vect_analyze_operations):
5267         (vect_analyze_scalar_cycles):
5268         (vect_analyze_data_ref_dependence):
5269         (vect_enhance_data_refs_alignment):
5270         (vect_analyze_data_ref_accesses):
5271         (vect_analyze_pointer_ref_access):
5272         (vect_analyze_data_refs):
5273         (vect_analyze_loop): Likewise.
5274
5275         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5276         changed from loop to loop_loc.
5277
5278         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5279
5280 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5281             Dorit Naishlos  <dorit@il.ibm.com>
5282
5283         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5284         declaration added.
5285         (vect_analyze_data_ref_dependences): Likewise.
5286
5287         (vect_is_simple_use): Argument changed from loop structure to
5288         loop_vect_info structure.
5289         (vect_can_advance_ivs_p): Likewise.
5290         (vect_create_index_for_vector_ref): Likewise.
5291         (vect_update_ivs_after_vectorizer): Likewise.
5292         (new_stmt_vec_info): Likewise.
5293
5294         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5295         changed from loop to loop_vinfo.
5296         (vect_create_data_ref_ptr): First argument in call to
5297         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5298         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5299         was changed from loop to loop_vinfo.
5300         (vectorizable_operation): Likewise.
5301         (vectorizable_store): Likewise.
5302         (vect_mark_stmts_to_be_vectorized): Likewise.
5303         (vect_do_peeling_for_loop_bound): First argument in call to
5304         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5305         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5306         was changed from loop to loop_vinfo.
5307         (vect_analyze_data_ref_dependences): Third argument in call to
5308         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5309
5310         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5311         (vect_create_data_ref_ptr): Likewise.
5312         (vect_init_vector): Likewise.
5313         (vect_get_vec_def_for_operand): Likewise.
5314         (vectorizable_assignment): Likewise.
5315         (vectorizable_operation): Likewise.
5316         (vectorizable_store): Likewise.
5317         (vectorizable_load): Likewise.
5318         (vect_update_ivs_after_vectorizer): Likewise.
5319         (vect_is_simple_use): Likewise.
5320         (vect_analyze_data_ref_dependence): Likewise.
5321         (vect_analyze_pointer_ref_access): Likewise.
5322         (vect_can_advance_ivs_p): Likewise.
5323
5324         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5325         before _stmt_vec_info.
5326         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5327         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5328         (new_stmt_vec_info): Argument changed from loop structure to
5329         loop_vect_info structure
5330
5331         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5332         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5333         (vect_create_addr_base_for_vector_ref): Likewise.
5334         (vect_analyze_pointer_ref_access): Likewise.
5335
5336 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5337
5338         PR tree-opt/19768
5339         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5340         phi flag if the phi is abnormal.
5341
5342 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5343
5344         PR tree-opt/19736
5345         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5346         information for the new statement.
5347
5348 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5349
5350         PR driver/19117
5351         * gcc.c (main): Include the target in -v output.
5352
5353 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5354
5355         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5356         Do not drop the extend if we'd have to add a paradoxical subreg
5357         later.  Include optabs.h and insn-codes.h.
5358         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5359
5360 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5361
5362         PR middle-end/19405
5363         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5364         * fold-const.c (const_binop): Avoid constant folding floating
5365         point operations in modes that use composite representations.
5366         * simplify-rtx.c (simplify_binary_operation): Likewise.
5367
5368 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5369
5370         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5371         a REG, not a MEM.
5372         (altivec_dstt): Likewise.
5373         (altivec_dstst): Likewise.
5374         (altivec_dststt): Likewise.
5375         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5376         of first operand.
5377
5378 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5379
5380         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5381         EXPR_LOCUS from orig_cond to the new cond_stmt.
5382         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5383         the new vec_stmt.
5384
5385 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5386
5387         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5388         standard_iv_increment_position. Remove call to bsi_next
5389         (no need to bump the iterator anymore).
5390         (vect_create_index_for_vector_ref): Call
5391         standard_iv_increment_position. Remove second function argument.
5392         (vect_finish_stmt_generation): Remove call to bsi_next
5393         (no need to bump the iterator anymore).
5394         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5395         to vect_create_index_for_vector_ref.
5396
5397 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5398
5399         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5400         phis are used out of the loop.
5401
5402 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5403
5404         PR c/17807
5405         * c-decl.c (undef_nested_function): New variable.
5406         (pop_scope): Diagnose undefined nested functions.
5407         (finish_function): Don't attempt cgraph processing or genericizing
5408         if current top-level function contained an undefined nested
5409         function.  Reset undef_nested_function at the end of a top-level
5410         function.
5411
5412 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5413
5414         * tree.c (build_int_cst_type): Take sign of the value into account
5415         when deciding whether sign extend the value.
5416
5417 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5418
5419         PR c/18502
5420         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5421         (cpp_options, cc1_options): Change %{std*&ansi} to
5422         %{std*&ansi&trigraphs}.
5423
5424 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5425
5426         * cse.c: Update comments.
5427
5428 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5429
5430         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5431         arguments go on the stack.  Do not put complex doubles in odd/even
5432         pairs.
5433
5434 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5435
5436         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5437         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5438         -ftree-pre, and -fthread-jumps.
5439
5440 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5441
5442         PR tree-optimization/19578
5443         * tree-flow.h (modified_noreturn_calls): Declare.
5444         (noreturn_call_p): Declare.
5445         * tree-flow-inline.h (noreturn_call_p): New function.
5446         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5447         * tree-cfg.c (modified_noreturn_calls): New variable.
5448         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5449         that contain a mid-block noreturn call.
5450         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5451
5452 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5453
5454         * df.c (df_def_record_1, df_uses_record): Don't use
5455         DF_FOR_REGALLOC.
5456         * df.h (DF_FOR_REGALLOC): Remove.
5457
5458 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5459
5460         PR c/19435
5461         * c-typeck.c (really_start_incremental_init): Reset
5462         constructor_max_index for arrays of incomplete type.
5463
5464 2005-02-02  Jeff Law  <law@redhat.com>
5465
5466         * gcse.c (struct reg_set): Store the block index where the register
5467         was set rather than the setting insn.
5468         (record_one_set, compute_transp): Corresponding changes.
5469         (pre_insert_copy_insn): Do not call replace_one_set.
5470         (replace_one_set): Remove.
5471
5472 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5473
5474         PR other/15514
5475         * doc/gcov.texi: Fix typo.
5476
5477 2005-02-01  Richard Henderson  <rth@redhat.com
5478
5479         PR target/19680
5480         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5481         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5482         type to bool.
5483         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5484         * config/i386/i386-protos.h: Update.
5485
5486 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5487
5488         PR tree-optimization/19217
5489         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5490         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5491         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5492         that it is walking a PHI node.
5493
5494 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5495
5496         * doc/extend.texi (Nested Functions): Update.
5497
5498 2005-02-01  Richard Henderson  <rth@redhat.com>
5499
5500         PR 19696
5501         * optabs.c (expand_copysign_absneg): Export.
5502         * optabs.h (expand_copysign_absneg): Declare.
5503         * config/rs6000/rs6000.md (copysigntf3): New.
5504
5505 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5506
5507         PR tree-optimization/19633
5508         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5509         * tree-ssa-alias.c (init_alias_info): Initialize.
5510         (merge_pointed_to_info): Set.
5511         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5512         (dump_points_to_info_for): Show value of pt_null.
5513         (struct count_ptr_d): Declare.
5514         (find_ptr_dereference): Remove.
5515         (ptr_is_dereferenced_by): Remove.
5516         (count_ptr_derefs): New local function.
5517         (count_uses_and_derefs): New local function.
5518         (compute_points_to_and_addr_escape): Call it.  If the number
5519         of dereferences is greater than zero, mark the pointer as
5520         dereferenced.  If there are fewer dereferences than uses of
5521         the pointer, the pointer's value escapes.
5522
5523 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5524
5525         PR tree-optimization/19670
5526         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5527         here...
5528         (verify_use): ... set it here, instead.
5529
5530 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5531
5532         * doc/sourcebuild.texi (Test directives): Fix formatting.
5533
5534         * doc/sourcebuild.texi (Test directives): Describe selector
5535         expressions.
5536
5537 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5538
5539         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5540         specific 64-bit CPUs.
5541
5542 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5543
5544         PR target/16201
5545         * arm.c (arm_eliminable_register): New function.
5546         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5547         HOST_WIDE_INT for address offsets.
5548         * arm-protos.h (arm_eliminable_register): Add prototype.
5549
5550 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5551
5552         PR optimization/15242
5553         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5554         * basic-block.h (duplicate_computed_gotos): Add prototype.
5555         * bb-reorder.c (duplicate_computed_gotos): New function to
5556         duplicate sufficiently small blocks ending in a computed jump.
5557         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5558         if not optimizing for size.
5559         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5560         never do tail merging for blocks ending in a computed jump.
5561         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5562
5563 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5564
5565         Patch from Richard Sandiford <rsandifo@redhat.com>
5566         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5567         from inheriting a subreg equivalence with a non-spill register.
5568
5569         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5570
5571 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5572
5573         * config/frv/frv.c (movcc_fp_destination_operand): New.
5574         (gpr_or_memory_operand): Fix typo in comment.
5575         (gpr_or_memory_operand_with_scratch): New.
5576         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5577         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5578         movcc_fp_destination_operand.
5579         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5580         Legitimize memory addresses using a scratch register.
5581
5582 2005-01-31  Jeff Law  <law@redhat.com>
5583
5584         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5585         bitmap a sparse bitmap instead of a simple bitmap.
5586         (mark_def_sites_initialize_block):  Corresponding changes.
5587         (ssa_mark_def_sites_initialize_block): Likewise.
5588         (ssa_mark_phi_uses): Likewise.
5589         (mark_def_site, ssa_mark_def_sites): Likewise.
5590         (mark_def_site_blocks): Likewise.
5591         (rewrite_ssa_into_ssa): Likewise.
5592
5593         * tree-ssa-dom.c (record_cond): Pass correct variable type
5594         for last argument to htab_find_slot_with_hash.
5595
5596         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5597         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5598
5599 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5600
5601         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5602         1_mmalua.
5603
5604 2005-02-01  Eric Christopher  <echristo@redhat.com>
5605
5606         * config/mips/mips.c (override_options): Warn if -mint64
5607         is used.
5608         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5609         deprecated.
5610
5611 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5612
5613         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5614         timestamp.
5615         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5616         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5617         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5618         (cached_regno): Initialize to INVALID_REGNUM.
5619         (cse_reg_info_table_size,
5620         cse_reg_info_table_first_uninitialized,
5621         cse_reg_info_timestamp): New.
5622         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5623         get_cse_reg_info.
5624         (init_cse_reg_info, get_cse_reg_info_1): New.
5625         (get_cse_reg_info): Cache the last look-up.
5626         (new_basic_block): Update the code to clear mappings from
5627         registers to cse_reg_info entries.
5628         (cse_main): Call init_cse_reg_info.
5629
5630         * cse.c (get_cse_reg_info): Update a comment.
5631
5632 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5633
5634         PR c/19333
5635         * c-decl.c (start_decl): Do not warn about arrays of elements with
5636         an incomplete type here.
5637         (grokdeclarator): Do it here by making a pedwarn an error.
5638         * c-typeck.c (push_init_level): If there were previous errors with
5639         the constructor type, do not warn about braces for initializers.
5640         (process_init_element): Likewise for excess initializer elements.
5641
5642 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5643
5644         * cse.c (delete_trivially_dead_insn): Don't iterate.
5645
5646 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5647
5648         * config/rs6000/rs6000.md (copysignsf3): New expand.
5649         (copysigndf3): Likewise.
5650
5651 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5652
5653         * recog.c (constrain_operands): Only look for earlyclobber operand
5654         conflicts if an '&' constraint was seen.
5655
5656 2005-01-31  Marc Espie <espie@openbsd.org>
5657
5658         * config.gcc: Don't include embedded systems fragment, switches default
5659         debugging format to ELF.
5660         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5661         longer pick it up there.
5662
5663 2005-01-31  Dale Johannesen  <dalej@apple.com>
5664
5665         * doc/extend.texi (nested functions): Fix linkage description.
5666         Clarify that static is not allowed.
5667
5668 2005-01-31  Dale Johannesen  <dalej@apple.com>
5669
5670         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5671         (movdf_low_di):  Make work.
5672
5673 2005-01-31  Dale Johannesen  <dalej@apple.com>
5674
5675         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5676         Make work for 64 bit.
5677
5678 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5679             Dale Johannesen  <dalej@apple.com>
5680
5681         PR middle-end/19650
5682         * fold-const.c (fold_binary_op_with_conditional_arg):
5683         Make types match original operands, before STRIP_NOPS.
5684
5685 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5686
5687         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5688         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5689         (struct gcc_sigcontext): Delete.  Merge contents to..
5690         (struct gcc_ucontext): ..here.
5691         (get_sigcontext): Delete.
5692         (get_regs): New function, like get_sigcontext but return regs ptr.
5693         64-bit version finds regs from r1 to support vdso.
5694         (ppc_linux_aux_vector): New function.
5695         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5696         and vector regs.
5697
5698 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5699
5700         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5701         sizetype.
5702         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5703         redundant fold. Fix misalignment for MINUS_EXPR.
5704         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5705         (vect_analyze_pointer_ref_access): Likewise.
5706         (vect_get_memtag_and_dr): Likewise.
5707
5708 2005-01-31  Richard Henderson  <rth@redhat.com>
5709
5710         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5711         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5712         absnegdf2_i387, absnegxf2_i387): Likewise.
5713
5714 2005-01-31  Richard Henderson  <rth@redhat.com>
5715
5716         PR 19696
5717         * optabs.c (expand_copysign_absneg): New.
5718         (expand_copysign_bit): Split out from ...
5719         (expand_copysign): ... here.  Use expand_copysign_absneg.
5720
5721 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5722
5723         PR middle-end/19697
5724         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5725         constant as the second operand and a register as the third.
5726
5727 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5728
5729         PR target/19704
5730         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5731         that dllimport'd functions do not use all call-clobbered registers
5732         to pass parameters.
5733
5734 2005-01-30  Richard Henderson  <rth@redhat.com>
5735
5736         PR 19696
5737         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5738         expand_abs_nojump and generalize.  Use operand_subword and
5739         emit_no_conflict_block.  Support large modes.
5740         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5741         back to maximum.
5742         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5743         negation to subtraction.
5744         (expand_copysign): Check that the format has signed zeros.
5745         Use operand_subword and emit_no_conflict_block.  Support large modes.
5746
5747 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5748
5749         Fix PR tree-optimization/19624
5750
5751         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5752         * tree-ssa-pre.c: Add cfgloop.h.
5753         Update comment.
5754         (pre_stats): New member, constified.
5755         (inserted_exprs): New static variable.
5756         (NECESSARY): New macro.
5757         (create_expression_by_pieces): Fold the expression, and
5758         mark it as defaulting to not necessary. Also put in
5759         inserted_exprs.
5760         (fully_constant_expression): New function.
5761         (insert_into_preds_of_block): Modify to not insert phis when we
5762         are playing with induction variables.
5763         Push phis onto the inserted_exprs vector, and mark them as not
5764         necessary by default.
5765         (insert_aux): Call fully_constant_expression on eprime.
5766         If all edges produce the same value, mark it constant.
5767         (mark_operand_necessary): New function.
5768         (remove_dead_inserted_code): New function.
5769         (init_pre): Init loop optimizer to get loop info.
5770         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5771         (execute_pre): Commit edge inserts, then remove dead code.
5772
5773 2005-01-30  Richard Henderson  <rth@redhat.com>
5774
5775         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5776         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5777
5778 2005-01-30  Richard Henderson  <rth@redhat.com>
5779
5780         PR target/19700
5781         * config/i386/i386.c (ix86_expand_copysign): New.
5782         (ix86_split_copysign_const): New.
5783         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5784         rearrange op1/nmask operands.
5785         * config/i386/i386-protos.h: Update.
5786         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5787         (copysigndf3): Likewise.
5788         (copysignsf3_const, copysigndf3_const): New.
5789         (copysignsf3_var): Rename from copysignsf3, split out splitter
5790         and fix split predicate for X constraint.
5791         (copysigndf3_var): Similarly.
5792
5793 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5794
5795         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5796         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5797         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5798
5799 2005-01-29  Richard Henderson  <rth@redhat.com>
5800
5801         PR target/19690
5802         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5803         of # and * in constraints.
5804
5805 2005-01-29  Richard Henderson  <rth@redhat.com>
5806
5807         PR middle-end/19689
5808         * expr.c (store_field): Don't strip sub-mode cast when the input
5809         data is even smaller.
5810
5811 2005-01-29  Richard Henderson  <rth@redhat.com>
5812
5813         PR middle-end/19687
5814         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5815         union being empty.
5816
5817 2005-01-29  Richard Henderson  <rth@redhat.com>
5818
5819         * combine.c (make_field_assignment): Fix argument order
5820         to gen_int_mode.
5821
5822 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5823
5824         PR tree-optimization/15791
5825         * fold-const.c (extract_array_ref): New function.
5826         (fold): Fold comparisons between &a[i] and &a[j] or
5827         semantically equivalent trees.
5828
5829 2005-01-29  Jeff Law  <law@redhat.com>
5830
5831         * gcse.c (insert_expr_in_table): Revamp handling of available
5832         and anticipatable occurrence lists to avoid unnecessary list
5833         walking.
5834         (insert_set_in_table): Similarly.
5835
5836 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5837
5838         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5839         build string type.
5840         (c_build_qualified_type): Build qualified array types with
5841         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5842         * c-decl.c (c_make_fname_decl): Build unqualified array type
5843         before qualified type.
5844         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5845         type is qualified, not just if type itself is.  Don't apply
5846         qualifiers to array type when declarator is processed.  Apply
5847         qualifiers to field type whether or not it is an array type.
5848         Don't handle array types specially for applying qualifiers to
5849         variables.
5850         * c-typeck.c (composite_type): Build unqualified element type and
5851         array type when forming composite of array types.
5852         (common_pointer_type, comptypes, comp_target_types,
5853         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5854         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5855         types.
5856         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5857         (args2) in variables a1 and a2.
5858
5859 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5860
5861         * cse.c (n_elements_made, max_elements_made): Remove.
5862         (insert): Don't touch n_elements_made.
5863         (cse_main): Don't touch n_elements_made or max_elements_made.
5864
5865 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5866
5867         PR target/15384
5868         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5869         configuration part of dp-bit.c to be lost.
5870
5871 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5872
5873         * expmed.c (expand_mult_highpart_optab): When attempting to use
5874         a non-widening multiplication in a wider mode, the operands need
5875         to be converted (zero or sign extended) to that mode.
5876
5877 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5878
5879         PR middle-end/16558
5880         PR middle-end/19583
5881         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5882         through if both operands fall through.
5883
5884 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5885
5886         * cse.c (fold_rtx) <PC>: Don't optimize.
5887
5888 2005-01-28  Jeff Law  <law@redhat.com>
5889
5890         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5891         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5892
5893 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5894
5895         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5896         cse_reg_info_used_list_end): Remove.
5897         (cse_reg_info_list, cse_reg_info_list_free): New.
5898         (get_cse_reg_info): When allocating an instance of
5899         cse_reg_info, add it to the beginning of the cse_reg_info_list
5900         list.  Remove code to maintain cse_reg_info_used_list.
5901         (new_basic_block): Reset the free list to the beginning of
5902         cse_reg_info_list.
5903
5904 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5905
5906         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5907         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5908         (frv_expand_mdpackh_builtin): New function.
5909         (frv_expand_builtin): Use it to expand __MDPACKH.
5910         * doc/extend.texi (__MDPACKH): Update documentation.
5911
5912 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5913
5914         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5915         SSE_FLOAT_MODE_P for use_sse computation.
5916
5917 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5918
5919         PR target/19663
5920         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5921
5922 2005-01-27  Richard Henderson  <rth@redhat.com>
5923
5924         * builtins.c (expand_builtin_copysign): New.
5925         (expand_builtin): Call it.
5926         * genopinit.c (optabs): Add copysign_optab.
5927         * optabs.c (init_optabs): Initialize it.
5928         (expand_copysign): New.
5929         * optabs.h (OTI_copysign, copysign_optab): New.
5930         (expand_copysign): Declare.
5931
5932         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5933         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5934
5935         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5936         (ix86_expand_fp_absneg_operator): ... here.
5937         (ix86_split_copysign): New.
5938         * config/i386/i386-protos.h: Update.
5939         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5940         (copysignsf3, copysigndf3): New.
5941
5942         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5943         (copysignsf3, ncopysignsf3): New.
5944         (copysigndf3, ncopysigndf3): New.
5945         (copysignxf3, ncopysignxf3): New.
5946         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5947
5948 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5949             Kazu Hirata  <kazu@cs.umass.edu>
5950
5951         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5952         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5953         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5954         NULL_RTX.
5955
5956 2005-01-27  Jeff Law  <law@redhat.com>
5957
5958         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5959         definitions of SSA_NAMEs which are not being rewritten.
5960         (rewrite_ssa_into_ssa): Only initialize the current definition
5961         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5962         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5963         SSA_NAMEs before returning.
5964
5965 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5966
5967         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5968         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5969         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5970         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5971         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5972
5973 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5974
5975         PR middle-end/17278
5976         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5977         higher to -O2 and higher.  Likewise for tree PRE.
5978         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5979         and better.
5980
5981 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5982
5983         PR middle-end/19583
5984         * gimple-low.c (try_catch_may_fallthru): New static function.
5985         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5986         * tree-inline.c (expand_call_inline): Don't warn about reaching
5987         the end of a non-void function being inlined if the function uses
5988         a return slot.
5989
5990 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5991
5992         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5993
5994         PR c/18946
5995         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5996         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5997         (implicitly_declare): Handle error_mark_node.
5998
5999 2005-01-27  Richard Henderson  <rth@redhat.com>
6000
6001         PR tree-opt/14329
6002         * tree.h (struct tree_decl): Add debug_expr_is_from.
6003         (DECL_DEBUG_EXPR_IS_FROM): New.
6004         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6005         * dwarf2out.c (dwarf2out_var_location): Update to match.
6006         * tree-outof-ssa.c (create_temp): Likewise.
6007         * var-tracking.c (track_expr_p): Likewise.
6008         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6009         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6010         * toplev.c (default_tree_printer): Likewise.
6011
6012 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6013
6014         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6015         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6016
6017 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6018
6019         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6020         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6021         ASM_CLOBBERS): Add tree checks.
6022
6023         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6024         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6025         * c-common.def (SWITCH_STMT): Update to match.
6026         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6027         macros instead of SWITCH_EXPR ones.
6028         * c-dump.c (c_dump_tree): Likewise.
6029         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6030         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6031
6032         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6033
6034 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6035
6036         * unwind-dw2.c (execute_stack_op): Add missing cases for
6037         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6038
6039 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6040
6041         * config.gcc (Obsolete configurations): Remove 'dummy', add
6042         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6043         sparc-*-openbsd*.
6044
6045 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6046
6047         PR tree-optimization/19633
6048         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6049         CALL_EXPRs.
6050         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6051         are no call-clobbered variables.
6052         * tree-outof-ssa.c (check_replaceable): Return false for calls
6053         with side-effects.
6054
6055 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6056
6057         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6058         even for variables with NULL DECL_INITIAL.
6059
6060 2005-01-26  Stuart Hastings  <stuart@apple.com>
6061
6062         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6063
6064 2005-01-26  Richard Henderson  <rth@redhat.com>
6065
6066         PR middle-end/18008
6067         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6068         field's type.
6069         * expr.c (store_field): Strip conversions to odd-bit-sized types
6070         if the destination field width matches.
6071
6072 2005-01-26  Richard Henderson  <rth@redhat.com>
6073
6074         * c-decl.c, expmed.c, expr.c: Revert last change.
6075
6076 2005-01-26  Richard Henderson  <rth@redhat.com>
6077
6078         PR middle-end/18008
6079         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6080         field's type.
6081         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6082         if we don't need the bits above those present in the current mode.
6083         * expr.c (store_field): Strip conversions to odd-bit-sized types
6084         if the destination field width matches.
6085
6086 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6087
6088         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6089         either -ffast-math or -funsafe-math-optimizations is in use.
6090
6091 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6092
6093         PR target/19293
6094         PR target/19329
6095         * config/avr/avr.c (notice_update_cc): Only set condition code for
6096         ashrqi3 if shift count > 0.
6097         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6098         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6099         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6100         count <= 0 as a no-op, and shift count >= width by copying zero
6101         or sign bit to all bits of the result.
6102         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6103         count, with attribute "length" set to 0 and "cc" set to "none".
6104
6105 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6106
6107         * doc/invoke.texi: Document -mTLS.
6108
6109         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6110         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6111         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6112         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6113         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6114         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6115         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6116         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6117
6118         * configure.ac: Check for a TLS capable gas.
6119
6120         * configure: Regenerate.
6121
6122 2005-01-26  Richard Henderson  <rth@redhat.com>
6123
6124         PR middle-end/18008
6125         * combine.c (make_field_assignment): Simplify store to zero_extract
6126         from a source with an overlapping mask.
6127
6128 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6129
6130         2004-11-11  Eric Christopher  <echristo@redhat.com>
6131
6132         * config/frv/frv.md: Add fr400_integer automaton. Don't
6133         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6134         to TYPE_MACC.
6135
6136 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6137
6138         PR middle-end/16585
6139         * cfgbuild.c (make_edges): Do not clear or set
6140         current_function_has_computed_jump.
6141         * function.h (struct function): Remove the has_computed_jump field.
6142         (current_function_has_computed_jump): Do not define.
6143         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6144         in a computed jump.  Ignore current_function_has_computed_jump.
6145
6146 2005-01-26  Richard Henderson  <rth@redhat.com>
6147
6148         PR middle-end/19515
6149         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6150         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6151         fully initialized.
6152         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6153         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6154         objects into static storage if they have more than one non-zero value.
6155         * tree.h (categorize_ctor_elements): Update decl.
6156
6157 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6158
6159         PR middle-end/19616
6160         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6161         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6162         to this function from 2004-07-10.
6163         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6164         the current function for tail call optimizations if the address
6165         of one of it its arguments is taken.
6166
6167 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6168
6169         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6170
6171 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6172
6173         * function.c (expand_function_end): If current_function_calls_alloca,
6174         emit stack restore in a place that is reached when the function falls
6175         through at the end.
6176
6177 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6178
6179         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6180         rule to avoid matching inappropriate suffix rule.
6181
6182 2005-01-26  Jan Hubicka  <jh@suse.cz>
6183
6184         PR tree-optimization/19241
6185         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6186
6187 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6188
6189         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6190         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6191         of doubling.
6192         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6193         <sim*>: Always use crt1.o, regardless of N in simN.
6194         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6195         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6196         (CRT_CALL_STATIC_FUNCTION): Remove.
6197         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6198         use crt1.o, regardless of N in simN.
6199         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6200         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6201         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6202         case isystem setting.
6203         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6204
6205 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6206
6207         * gimple-low.c (block_may_fallthru): Correct handling of
6208         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6209
6210 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6211
6212         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6213         handlers to match indentation; nested under the mtune=* handler.
6214         Similar for mcpu= and march=.
6215
6216 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6217
6218         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6219         * config/mips/linux64.h (LIB_SPEC): Likewise.
6220         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6221         * config/sh/linux.h (LIB_SPEC): Likewise.
6222
6223 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6224
6225         * config/frv/frv.c (frv_legitimize_tls_address): New.
6226         (TARGET_HAVE_TLS): Define.
6227         (FRV_SYMBOL_REF_TLS_P): Define.
6228         (frv_override_options): Handle new register classes.
6229         (frv_legitimate_address_p): Reject tls addresses.
6230         (frv_legitimize_address): Handle TLS addresses.
6231         (gen_inlined_tls_plt): New.
6232         (gen_tlsmoff): New.
6233         (frv_legitimize_tls_address): New.
6234         (unspec_got_name): Add TLS entries.
6235         (got12_operand): Add R_FRV_TLSMOFF12 case.
6236         (frv_emit_move): Fixup TLS addresses.
6237         (frv_emit_movsi): Legitimize TLS addresses.
6238
6239         * config/frv/frv.h (MASK_BIG_TLS): New.
6240         (TARGET_BIG_TLS): New.
6241         (HAVE_AS_TLS): Define.
6242         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6243         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6244         (REG_CLASS_NAMES): Same.
6245         (REG_CLASS_CONTENTS): Same.
6246         (CONSTRAINT_LEN): New.
6247         (REG_CLASS_FROM_CONSTRAINT): New.
6248         (PREDICATE_CODES): Add symbolic_operand.
6249
6250         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6251         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6252         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6253         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6254         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6255         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6256         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6257         GR9_REG, GR14_REG, LRREG.
6258         (type): Add load_or_call attribute.
6259         ("load_or_call"): New reservation.
6260         ("call_gettlsoff"): New.
6261         ("tls_indirect_call"): New.
6262         ("tls_load_gottlsoff12"): New.
6263         ("tlsoff_hilo"): New.
6264         ("tls_tlsdesc_ldd"): New.
6265         ("tls_tlsoff_ld"): New.
6266         ("tls_lddi"): New.
6267
6268         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6269
6270         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6271
6272         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6273         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6274         * config/frv/frv.c (TLS_BIAS): Define.
6275         (frv_output_dwarf_dtprel): New.
6276
6277 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6278
6279         PR rtl-optimization/19579
6280         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6281         both A and B, see if they don't clobber registers the other expr uses.
6282
6283 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6284
6285         * real.c (do_add): Initialize signalling and canonical members.
6286
6287         * real.c (real_from_integer): Zero out destination.
6288
6289 2005-01-18  Jan Hubicka  <jh@suse.cz>
6290
6291         PR tree-optimize/19337
6292         * tree-inline.c (initialize_inlined_parameters): Copy
6293         saved_static_chain_decl only.
6294
6295 2005-01-25  Richard Henderson  <rth@redhat.com>
6296
6297         PR target/19556
6298         PR target/19584
6299         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6300         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6301         80387 enabled, to return a proper subclass.  Return the subset that
6302         overlaps with GENERAL_REGS for PLUS.
6303         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6304
6305 2005-01-25  Richard Henderson  <rth@redhat.com>
6306
6307         PR middle-end/19609
6308         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6309
6310 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6311
6312         * expmed.c (choose_multiplier): Change interface to return the
6313         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6314         (expand_divmod): Update calls to choose_multiplier.
6315
6316 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6317
6318         PR middle-end/19330
6319         * expmed.c (extract_bit_field): Use adjust_address instead of
6320         gen_lowpart when op0 is a MEM.
6321
6322 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6323
6324         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6325
6326 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6327
6328         * config/mips/irix-csr.c: New file.
6329         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6330         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6331         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6332         executables.
6333
6334 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6335
6336         PR bootstrap/19364
6337         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6338         sparc/elf.h, add sparc/sp-elf.h.
6339         (sparc-*-rtems*): Likewise.
6340         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6341         tm-dwarf2.h, add sparc/sp-elf.h.
6342         (sparc86x-*-elf): Likewise.
6343         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6344         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6345         TARGET_OS_CPP_BUILTINS.
6346         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6347         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6348         Undefine it.
6349         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6350         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6351         (SWITCH_TAKES_ARG): Likewise.
6352         (LOCAL_LABEL_PREFIX): Likewise.
6353         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6354         (TARGET_N_FORMAT_TYPES): Delete.
6355         (TARGET_FORMAT_TYPES): Likewise.
6356         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6357         * config/sparc/elf.h: Delete.
6358         * config/sparc/sp-elf.h: New file.
6359
6360 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6361
6362         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6363         * tree-flow.h: Remove the corresponding prototype.
6364         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6365         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6366
6367 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6368
6369         PR target/17751
6370         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6371         for AIX ABI or ELF -fPIC.
6372         (rs6000_emit_load_toc_table): Don't create toc_section here.
6373         (rs6000_xcoff_file_start): Nor here.
6374
6375 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6376
6377         * sh.c (ra.h): Don't #include.
6378         (hard_regs_intersect_p): New function, resurrected from ra.c.
6379
6380         * sh.c: Fix 1996 Copyright.
6381
6382 2005-01-24  Richard Henderson  <rth@redhat.com>
6383             Aldy Hernandez  <aldyh@redhat.com>
6384
6385         * regrename.c (note_sets): Handle subregs.
6386
6387 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6388
6389         PR bootstrap/18058
6390         * genconditions.c (write_header, write_conditions): Elide file if
6391         not GCC >= 3.0.1.
6392
6393 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6394
6395         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6396         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6397         Update copyright.
6398
6399 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6400
6401         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6402         expand_builtin_printf, expand_builtin_fprintf,
6403         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6404         checking against POINTER_TYPE.
6405         (validate_arglist): Handle POINTER_TYPE code by checking
6406         POINTER_TYPE_P.
6407
6408 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6409
6410         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6411         init_rtlanal): New.
6412         (for_each_rtx): Call for_each_rtx_1.
6413         * rtl.h (init_rtlanal): Declare.
6414         * toplev.c (backend_init): Call init_rtlanal.
6415
6416 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6417
6418         * flow.c (propagate_one_insn): Formatting.
6419
6420         PR middle-end/19551
6421         * flow.c (libcall_dead_p): Be more conservative if unsure.
6422         If there are any instructions between insn and call, see if they are
6423         all dead before saying the libcall is dead.
6424
6425 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6426
6427         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6428         operand constraint for operand 0.
6429
6430 2005-01-23  Richard Henderson  <rth@redhat.com>
6431
6432         PR 19486
6433         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6434         edges leading to join block.
6435
6436 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6437
6438         * expmed.c (expand_mult_highpart): Make static.  Change type of
6439         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6440         (expand_divmod): Updates calls to expand_mult_highpart by using
6441         gen_int_mode to pass a CONST_INT rtx.
6442         * rtl.h (expand_mult_highpart): Remove prototype.
6443
6444 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6445
6446         * flow.c (regset_bytes, regset_size): Remove.
6447
6448         * cfganal.c: Fix a reference to Harvey's paper.
6449
6450 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6451
6452         PR rtl-optimization/19464
6453         * tree-optimize.c (init_tree_optimization_passes): Add one more
6454         copyrename pass just before out-of-ssa.
6455
6456 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6457
6458         PR bootstrap/18058
6459         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6460         * ggc-none.c (ggc_free): Define.
6461
6462 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6463
6464         * cse.c (max_reg, max_insn_uid): Remove.
6465         (cse_main): Don't access max_reg or max_insn_uid.
6466
6467         * c-common.c (explicit_flag_signed_bitfields,
6468         lang_statement_code_p, lang_expand_function_end): Remove.
6469         * c-common.h: Remove the corresponding declarations.
6470         * c-opts.c (c_common_handle_option): Remove all write access
6471         to explicit_flag_signed_bitfields.
6472
6473         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6474         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6475         * cgraph.h: Remove the corresponding declaration.
6476
6477         * gcse.c (null_pointer_info): Remove.
6478
6479 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6480             Eric Botcazou  <ebotcazou@libertysurf.fr>
6481
6482         * combine.c (simplify_logical): Only simplify logical expressions
6483         of the form ior(and(x,y),z) by the inverse distributive law if the
6484         result is cheaper than the original.
6485
6486 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6487
6488         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6489         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6490         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6491         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6492         config/freebsd-spec.h, config/arm/arm.h,
6493         config/h8300/h8300.md, config/i386/i386.md,
6494         config/i386/predicates.md, config/i386/sse.md,
6495         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6496         config/vax/vax.md: Fix comment typos.  Follow spelling
6497         conventions.
6498
6499 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6500
6501         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6502         tests, instead of `less than'.
6503
6504 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6505
6506         * function.c (assign_parm_setup_block): When creating a new stack slot
6507         for a parameter, get its alignment from the parameter's DECL_ALIGN
6508         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6509         is at least word aligned.
6510
6511 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6512
6513         PR middle-end/19378
6514         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6515
6516 2005-01-22  Richard Henderson  <rth@redhat.com>
6517
6518         PR target/19506
6519         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6520         in both compare operands.
6521         (movdfcc_1_sse_max): Likewise.
6522         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6523         (movdfcc_1_sse): Likewise.
6524         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6525         scratch register as needed.
6526
6527 2005-01-22  Richard Henderson  <rth@redhat.com>
6528
6529         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6530
6531         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6532
6533 2005-01-22  Richard Henderson  <rth@redhat.com>
6534
6535         * genopinit.c (optabs): Use smin/smax for floating point too.
6536         * doc/md.texi: Update to match.  Clarify that floating point
6537         results are undefined for +0/-0 and NaN.
6538         * doc/rtl.texi: Likewise.
6539         * rtl.def (SMIN, SMAX): Likewise
6540         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6541
6542         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6543         leading 's' to the name.
6544         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6545         smaxxf3, sminxf3): Likewise.
6546         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6547         Likewise.
6548
6549 2005-01-22  Paul Brook  <paul@codesourcery.com>
6550
6551         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6552
6553 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6554
6555         * config/s390/s390.c (struct processor_costs): New fields
6556         dlgr, dlr, dr, dsgfr, dsgr.
6557         (z900_cost, z990_cost): Values for new fields.
6558         (s390_rtx_costs): New cases MEM und COMPARE in switch
6559         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6560         DIV, MOD, UDIV, UMOD.
6561
6562 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6563
6564         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6565         into the register being decremented.
6566         ("doloop_si31", "doloop_di"): Likewise.
6567         ("*doloop_si_long"): Adapt pattern.
6568
6569 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6570
6571         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6572         access registers.
6573         (CLASS_MAX_NREGS): Likewise.
6574
6575 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6576
6577         * doc/tree-ssa.texi (Statement Operands): Add example for new
6578         must-def macro. Note deprecation of old operands interface.
6579
6580 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6581
6582         PR tree-optimization/19484
6583         * tree-cfg.c (remove_fallthru_edge): New function.
6584         (cleanup_control_flow): Remove fallthru edges from calls that are
6585         now known not to return.
6586
6587 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6588
6589         Fix PR tree-optimization/19038
6590         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6591         copies with loop variant ones.
6592
6593 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6594
6595         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6596         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6597         config/alpha/alpha.md, config/alpha/predicates.md,
6598         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6599         config/sparc/sol2.h: Update copyright.
6600
6601         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6602         first label to see if it is a nonlocal label.
6603
6604 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6605             Andrew Pinski  <pinskia@physics.uc.edu>
6606
6607         PR target/19491
6608         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6609         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6610
6611 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6612
6613         * config/rs6000/rtems.h: Update copyright.
6614
6615 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6616
6617         PR target/19548
6618         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6619         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6620         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6621
6622 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6623
6624         PR c/18809
6625         * c-typeck.c (convert_arguments): Check for error_mark_node.
6626
6627 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6628
6629         PR tree-optimization/13000
6630         * tree-inline.c: Include "tree-flow.h".
6631         (expand_call_inline): If warn_return_type, warn if non-void inline
6632         function falls through.
6633         * tree-cfg.c (execute_warn_function_return): Don't warn about
6634         control reaching end if TREE_NO_WARNING is set.  Set
6635         TREE_NO_WARNING.
6636         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6637         has been lowered.
6638         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6639         branch if we don't need one.
6640         * c-typeck.c: Include "tree-flow.h"
6641         (c_finish_bc_stmt): Don't add a goto if the current statement
6642         list doesn't fall through to the current point.
6643
6644 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6645
6646         PR rtl-optimization/576
6647         * real.c (real_arithmetic): Change return type from void to bool
6648         to return an indication that the result may be inexact.
6649         * real.h (real_arithmeric): Update prototype.
6650         * fold-const.c (const_binop):  Don't constant fold floating
6651         point expressions when the user specifies -frounding-math and
6652         the result may depend upon the run-time rounding mode.
6653         (fold_convert_const_real_from_real): Clean-up.
6654         (fold_initializer): Ignore flag_rounding_math for initializers.
6655         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6656         constant fold FP operations with flag_rounding_math if the
6657         result may depend upon the run-time rounding mode.
6658
6659 2005-01-21  Tom Tromey  <tromey@redhat.com>
6660
6661         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6662
6663 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6664
6665         * tree-cfg.c: Fix comment typos.
6666
6667 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6668
6669         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6670         around the call to rest_of_handle_branch_target_load_optimize.
6671
6672 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6673
6674         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6675         (sparc64-*-openbsd*): Likewise.
6676         (sparclite-*-elf*): Include tm-dwarf2.h.
6677         (sparc86x-*-elf*): Likewise.
6678         (sparc64-*-elf*): Likewise.
6679         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6680         (DBX_DEBUGGING_INFO): Likewise.
6681         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6682         (PREFERRED_DEBUGGING_TYPE): Likewise.
6683         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6684         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6685         (PREFERRED_DEBUGGING_TYPE): Likewise.
6686         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6687         (PREFERRED_DEBUGGING_TYPE): Likewise.
6688         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6689
6690 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6691
6692         PR target/18701
6693         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6694
6695 2005-01-20  Paul Brook  <paul@codesourcery.com>
6696
6697         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6698
6699 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6700
6701         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6702         label is first in a sequence of labels.
6703
6704         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6705
6706 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6707             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6708
6709         * doc/sourcebuild.texi (Test Directives): New.
6710
6711 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6712
6713         * real.c (real_floor): Don't leave the result uninitialized when
6714         mode is VOIDMode, but return the unrounded intermediate value.
6715         (real_ceil): Likewise.
6716
6717 2005-01-20  Paul Brook  <paul@codesourcery.com>
6718
6719         * config/arm/arm.md (insv): Use gen_int_mode.
6720
6721 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6722
6723         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6724         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6725         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6726         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6727         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6728
6729 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6730
6731         Fix PR debug/19124
6732         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6733         fbreg, so we have to assume we can't.
6734         (loc_descriptor_from_tree_1): Ditto.
6735         (containing_function_has_frame_base): New function.
6736         (add_location_or_const_value_attribute): Use it.
6737         Also try to generate a frame_base from a single element location
6738         list.
6739
6740 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6741
6742         PR tree-optimization/15349
6743         * timevar.def (TV_TREE_MERGE_PHI): New.
6744         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6745         PHI_WANTED.
6746         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6747         calls to tree_forwarder_block_p.
6748         (remove_forwarder_block_with_phi, merge_phi_nodes,
6749         gate_merge_phi, pass_merge_phi): New.
6750         * tree-optimize.c (init_tree_optimization_passes): Add
6751         pass_merge_phi.
6752         * tree-pass.h: Add an extern for pass_merge_phi;
6753
6754 2005-01-20  Richard Henderson  <rth@redhat.com>
6755
6756         PR target/19418
6757         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6758         (_mm_castps_pd, _mm_castps_si128): New.
6759         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6760
6761 2005-01-20  Richard Henderson  <rth@redhat.com>
6762
6763         PR target/19530
6764         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6765         __builtin_ia32_vec_init_v2si.
6766         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6767         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6768         (ix86_init_mmx_sse_builtins): Create it.
6769         (ix86_expand_builtin): Expand it.
6770         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6771         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6772         (vec_extractv2si_0, vec_extractv2si_1): New.
6773
6774 2005-01-20  Richard Henderson  <rth@redhat.com>
6775
6776         PR target/16533
6777         * config/i386/i386.c (ix86_expand_push): New.
6778         * config/i386/mmx.md (push<MMXMODE>1): New.
6779         * config/i386/sse.md (push<SSEMODE>1): New.
6780         * config/i386/i386-protos.h: Update.
6781
6782 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6783
6784         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6785         copyright.
6786
6787 2005-01-20  Richard Henderson  <rth@redhat.com>
6788
6789         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6790         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6791
6792 2005-01-19  Richard Henderson  <rth@redhat.com>
6793
6794         PR target/19350
6795         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6796         to V4SFmode in SSE1 fallback load path.
6797
6798 2005-01-19  Richard Henderson  <rth@redhat.com>
6799
6800         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6801         in QImode expansion to ix86_expand_vector_set.
6802         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6803
6804 2005-01-19  Richard Henderson  <rth@redhat.com>
6805
6806         PR target/19511
6807         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6808         subclass of the input class.
6809         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6810         Always true for cross-SSE1 classes.  Rationalize conditionals.
6811         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6812         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6813         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6814         (movdi_2): Add MMX/SSE zeros.
6815         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6816         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6817         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6818         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6819         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6820         (zero_extendsidi2_rex64_1): Remove.
6821         (MOV0 peephole): Check GENERAL_REG_P.
6822
6823 2005-01-19  Richard Henderson  <rth@redhat.com>
6824
6825         PR target/19427
6826         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6827         shufps elements.
6828         (ix86_expand_vector_extract): Likewise.
6829
6830 2005-01-19  Richard Henderson  <rth@redhat.com>
6831
6832         PR middle-end/19304
6833         * expr.c (emit_move_change_mode): New argument force; use
6834         simplify_gen_subreg if true.
6835         (emit_move_via_alt_mode): Merge into ...
6836         (emit_move_via_integer): ... here.
6837         (emit_move_ccmode): Use emit_move_change_mode directly.
6838
6839 2005-01-19  Richard Henderson  <rth@redhat.com>
6840
6841         PR target/19518
6842         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6843         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6844         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6845         rtl if true.
6846         (alpha_emit_set_const): Likewise.  Make static.
6847         (alpha_emit_set_long_const): Make static.
6848         (alpha_extract_integer): Split out from alpha_expand_mov.
6849         (alpha_split_const_mov): Likewise.
6850         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6851         (alpha_legitimate_constant_p): New.
6852         * config/alpha/alpha-protos.h: Update.
6853         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6854         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6855         * config/alpha/alpha.md (movsi): Add n alternative.
6856         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6857         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6858         (splitters for all of the above): Use alpha_split_const_mov.
6859         * config/alpha/predicates.md (non_add_const_operand): New.
6860         (non_zero_const_operand): New.
6861         (input_operand): Use alpha_legitimate_constant_p after reload.
6862
6863 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6864
6865         PR tree-optimization/19038
6866         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6867         (add_candidate): Add ivs with increment in latch only if
6868         allow_ip_end_pos_p is true.
6869         (determine_iv_cost): Use empty_block_p.
6870
6871 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6872
6873         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6874         (compute_dominance_frontiers): Ditto.
6875
6876 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6877
6878         PR target/19529
6879         * config/sh/t-rtems: New.
6880         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6881
6882 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6883
6884         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6885         the offset of the selected field.
6886
6887 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6888
6889         * tree-cfg.c (remove_forwarder_block): Fix the check to
6890         prevent a nonlocal label from appearing in the middle of a
6891         basic block.
6892
6893 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6894
6895         PR rtl-optimization/19462
6896         * reorg.c (find_end_label): Create return insn only if
6897         current_function_epilogue_delay_list is empty.
6898
6899 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6900
6901         * doc/passes.texi: Remove paragraph mentioning new-ra.
6902
6903 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6904
6905         PR rtl-optimization/15139
6906         * combine.c: Include params.h.
6907         (count_rtxs): New function.
6908         (record_value_for_reg): If replace_rtx would replace at least
6909         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6910         (clobber (const_int 0)) instead of TEM.
6911         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6912         * params.h (MAX_LAST_VALUE_RTL): New.
6913         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6914         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6915
6916         PR c/17297
6917         * c-typeck.c (digest_init): Only call build_vector if all constructor
6918         elements are *_CST nodes.
6919         * gimplify.c (gimplify_init_constructor): Likewise.
6920
6921         PR middle-end/19164
6922         * c-typeck.c (digest_init): Only call build_vector if inside_init
6923         is a CONSTRUCTOR.
6924
6925 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6926
6927         * toplev.c (init_asm_output): Remove dead #ifdef.
6928
6929 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6930
6931         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6932
6933 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6934
6935         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6936         accessing DECL_FUNCTION_CODE.
6937         * dojump.c (do_jump): Likewise.
6938         * gimplify.c (gimplify_call_expr): Likewise.
6939         * predict.c (expr_expected_value): Likewise.
6940         (strip_builtin_expect): Likewise.
6941         * tree-inline.c (estimate_num_insns_1): Likewise.
6942         * tree-ssa-loop-im.c (stmt_cost): Likewise
6943         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6944         (tree_expr_nonnegative_p): Likewise.
6945
6946 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6947
6948         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6949         variant of the load_pcrel_sym pattern.
6950         * config/sparc/sparc.md (P macro): Move to the top.
6951         (load_pcrel_sym): Macroize using P.
6952         (save_register_window): Likewise.
6953
6954 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6955
6956         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6957         ("sordered"): Same.
6958
6959 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6960
6961         PR C/19472
6962         * c-typeck.c (build_asm_expr): Strip nops off
6963         input memory operands.
6964
6965 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6966
6967         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6968         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6969         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6970         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6971
6972 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6973
6974         PR target/19379
6975         * config/i386/i386.c (override_options): If the 80387 is disabled,
6976         then do not return FP values using FP registers.
6977
6978 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6979
6980         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6981         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6982         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6983         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6984         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6985         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6986         output.h, postreload-gcse.c, postreload.c, recog.c,
6987         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6988         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6989         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6990         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6991         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6992         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6993         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6994         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6995
6996         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6997         config/alpha/alpha.c, config/arm/vfp.md,
6998         config/i386/emmintrin.h, config/i386/i386-modes.def,
6999         config/i386/i386-protos.h, config/i386/i386.h,
7000         config/i386/pmmintrin.h, config/i386/ppro.md,
7001         config/i386/predicates.md, config/i386/xmmintrin.h,
7002         config/i860/i860.c, config/ia64/ia64-modes.def,
7003         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7004         config/ia64/ia64.md, config/ia64/itanium1.md,
7005         config/ia64/itanium2.md, config/ia64/predicates.md,
7006         config/iq2000/iq2000.h, config/mips/linux64.h,
7007         config/rs6000/aix41.h, config/rs6000/aix43.h,
7008         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7009         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7010         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7011         config/sparc/linux64.h, config/sparc/litecoff.h,
7012         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7013         config/sparc/sparc.h, config/sparc/sparc.md,
7014         config/sparc/sysv4-only.h: Update copyright.
7015
7016 2005-01-18  Richard Henderson  <rth@redhat.com>
7017
7018         PR target/19496
7019         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7020
7021 2005-01-18  Marc Espie  <espie@openbsd.org>
7022         * config/i386/openbsdelf.h: Typo.
7023
7024 2005-01-18  Richard Henderson  <rth@redhat.com>
7025
7026         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7027         special case for sse.
7028         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7029
7030 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7031
7032         * tree-inline.c (estimate_num_insns_1): Added cases for
7033         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7034
7035 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7036
7037         PR rtl-optimization/19296
7038         * combine.c (simplify_comparison): Rewrite the condition under
7039         which a non-paradoxical SUBREG of a PLUS can be lifted when
7040         compared against a constant.
7041
7042 2005-01-18  Andi Kleen <ak@muc.de>
7043
7044         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7045         * c.opt (-Wpointer-sign): Add.
7046         * doc/invoke.texi: (-Wpointer-sign): Add.
7047
7048 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7049
7050         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7051         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7052         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7053         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7054         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7055         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7056         for TARGET_MIX_SSE_I387.
7057         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7058         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7059         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7060         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7061         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7062         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7063         TARGET_MIX_SSE_I387.
7064         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7065         from expander.
7066
7067 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7068
7069         PR target/19424
7070         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7071         Add movaps alternative for xmm reg->reg move.
7072
7073 2005-01-17  Jeff Law  <law@redhat.com>
7074
7075         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7076         at the end of the main DOM loop rather than just before DOM exits.
7077
7078 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7079
7080         PR tree-optimization/19121
7081         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7082         adding aliases to a name tag, also add them to the pointer's
7083         type tag.
7084         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7085         sensitive alias info at all.  Only check that the two pointers
7086         have compatible pointed-to sets.
7087         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7088         a pointer's type tag is a superset of the alias set of the
7089         pointer's name tag.
7090
7091 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7092
7093         PR target/19357
7094         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7095         comment to document why.
7096
7097 2005-01-17  Richard Henderson  <rth@redhat.com>
7098
7099         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7100         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7101         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7102         sse2_vmsminv2df3_finite): New.
7103         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7104         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7105         Force op1 into register.
7106
7107 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7108
7109         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7110         bubblestrap from always rebuilding build directory.
7111
7112 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7113
7114         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7115         ("*cmpmem_short"): Likewise.
7116
7117 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7118
7119         * basic-block.h: Document BB_* flags.
7120         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7121         use an sbitmap instead.
7122         * sched-rgn.c (compute_trg_info): Likewise.
7123
7124 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7125
7126         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7127         redundant target_cpu_default and extra_parts lines.  Use the default
7128         "from-abi" ISA.
7129         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7130         (SUBTARGET_EXTRA_SPECS): Delete.
7131         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7132         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7133         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7134         and "n32" for -mabi=n32.
7135
7136 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7137
7138         PR c/5675
7139         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7140         fold constant variables into initial values.
7141
7142 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7143
7144         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7145
7146         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7147         through the statements backward.
7148
7149 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7150
7151         PR middle-end/13127:
7152         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7153         a variable set to the return value of the inlined function.
7154
7155 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7156
7157         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7158         when modes are tieable.
7159
7160 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7161
7162         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7163         of pthread_create to find out if threads are enabled.
7164         * gthr-posix95.h (__gthread_active_p): Likewise.
7165
7166 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7167
7168         * common.opt (-fnew-ra): Remove.
7169         * ra*.*: Remove.
7170         * toplev.h (flag_new_regalloc): Remove.
7171         * Makefile.in (ra*.*): Don't mention.
7172         * passes.c (rest_of_handle_new_regalloc): Remove.
7173         (rest_of_handle_combine, rest_of_compilation): Always consider
7174         flag_new_regalloc as false.
7175         * doc/invoke.texi: Don't document -fnew-ra.
7176
7177 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7178
7179         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7180         last parameter to reg_scan.
7181         * loop.c (loop_optimize): Likewise.
7182         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7183         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7184         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7185         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7186         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7187         * regclass.c (reg_scan): Likewise, for the declaration.
7188         * rtl.h (reg_scan): Likewise, for the prototype.
7189
7190 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7191
7192         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7193         mark_dfs_back_edges.
7194
7195 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7196
7197         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7198         (compute_avail): Uses don't go in tmp_gen.
7199
7200 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7201
7202         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7203         loop to look for a free slot in a page entry.
7204
7205 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7206
7207         PR target/16304
7208         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7209         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7210         just before targetm.asm_out.file_end.
7211         * tree.h (process_pending_assemble_output_defs): Declare.
7212         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7213         New functions.
7214         (assemble_alias): Defer generation of assembly code for defines when
7215         TARGET_DEFERRED_OUTPUT_DEFS is true.
7216         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7217         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7218         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7219
7220 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7221
7222         PR target/19336
7223         * pa.c (pa_scalar_mode_supported_p): New function.
7224         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7225         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7226
7227         * pa-protos.h (prefetch_operand): Delete.
7228         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7229         * pa.c (prefetch_operand): Delete.
7230         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7231         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7232         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7233         and prefetch_nocc_operand.
7234         * pa.md (prefetch): Rework to avoid reload problems handling short
7235         displacements when a cache control completer needs to be provided.
7236         (prefetch_32, prefetch_64): Delete.
7237         (prefetch_cc, prefetch_nocc): New patterns.
7238
7239 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7240
7241         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7242
7243 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7244
7245         PR ada/19388
7246         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7247         exceeds maximum alignment for global common data.
7248         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7249         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7250
7251 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7252
7253         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7254
7255 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7256
7257         * harg-reg-set.h (reg_class_names): Prototype global array.
7258         * regclass.c (reg_class_names): Declare here and initialize to
7259         REG_CLASS_NAMES.
7260         (dump_regclass): Remove local declaration of reg_class_names.
7261         (regclass): Likewise.
7262         * cfg.c (dump_flow_info): Likewise.
7263         * ra-debug.c (reg_class_names): Likewise.
7264         * regrename.c (reg_class_names): Likewise.
7265         * reload.c (reg_class_names): Likewise.
7266         * reload1.c (spill_failure): Likewise.
7267         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7268
7269 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7270
7271         * config/s390/s390.md ("reload_outti"): Remove predicate for
7272         output operand.  Abort if operand is not a MEM.
7273         ("reload_outdi", "reload_outdf"): Likewise.
7274
7275 2005-01-15  Marc Espie  <espie@openbsd.org>
7276
7277         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7278         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7279         * config/openbsd.h:  Fix C++ includes for native configurations.
7280         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7281         Add trampoline support.
7282         * config/i386/openbsdelf.h: New.
7283
7284 2005-01-15  Marc Espie  <espie@openbsd.org>
7285
7286         * collect2.c (main): Explicitly parse -dynamic-linker option.
7287
7288 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7289
7290         PR tree-optimization/19060
7291         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7292         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7293         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7294         and handle extract_range_from_cond returning false.
7295         * fold-const.c (fold): Optimize comparisons with min/max even for
7296         width > HOST_BITS_PER_WIDE_INT.
7297
7298 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7299
7300         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7301         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7302         Remove little endian multilib variants.
7303         Add mips32 multilib variant.
7304
7305 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7306
7307         * explow.c (copy_all_reg, stabilize): Remove.
7308         * expr.h: Remove the corresponding prototypes.
7309
7310         * rtlanal.c (regs_set_between_p): Remove.
7311         * rtl.h: Remove the corresponding prototype.
7312
7313 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7314
7315         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7316         to rs6000_nonimmediate_operand.
7317         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7318         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7319         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7320         rs6000_nonimmediate_operand.
7321         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7322         rs6000_nonimmediate_operand.
7323
7324 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7325
7326         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7327
7328 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7329
7330         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7331         on e500v2.
7332         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7333         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7334
7335         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7336         (rs6k_nonimmediate_operand): New.
7337         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7338         correctly.
7339         (legitimate_lo_sum_address_p): Same.
7340         (rs6000_legitimize_address): Same.
7341         (rs6000_legitimize_reload_address): Same.
7342         (rs6000_legitimate_address): Same.
7343         (spe_build_register_parallel): Pass DF and DC modes in a DI
7344         register.
7345
7346         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7347         to rs6k_nonimmediate_operand.
7348
7349         * config/rs6000/spe.md ("*frob_df_di"): New.
7350         ("*frob_di_df"): New.
7351         ("*frob_di_df_2"): New.
7352         ("*mov_sidf_e500_subreg0"): New.
7353         ("*mov_sidf_e500_subreg4"): New.
7354         ("*movdf_e500_double"): Change predicate to
7355         rs6k_nonimmediate_operand.
7356
7357 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7358
7359         * postreload.c (move2add_note_store): Only call
7360         trunc_int_for_mode on scalar integers.
7361
7362 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7363
7364         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7365         replace BB_VISITED uses.
7366         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7367         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7368         (tree_dce_done): Free visited_control_parents.
7369         (perform_tree_ssa_dce): Allocate and clear it.
7370         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7371         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7372         instead of BB_VISITED.
7373
7374 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7375
7376         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7377         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7378         Remove unused prototypes.
7379
7380 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7381
7382         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7383         64-bit register usage.
7384         (spe_func_has_64bit_regs_p): Add FIXME note.
7385
7386 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7387
7388         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7389         flag_finite_math_only with flag_unsafe_math_optimizations.
7390
7391 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7392
7393         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7394         end-of-stack check.
7395         (__tpf_eh_return): Copy TPF private stack area from the module
7396         boundary stack frame.  Add check for when module addresses are
7397         equal, but no stub address is found.
7398
7399 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7400
7401         PR target/7525
7402         * arm.h (struct machine_function): Add call_via field.
7403         (thumb_call_via_label): Declare.
7404         * arm.c (thumb_call_via_label): New variable.
7405         (thumb_call_reg_needed): New variable.
7406         (arm_output_function_epilogue): For Thumb code, output any per-function
7407         call-indirect trampolines.
7408         (thumb_call_via_reg): New function.
7409         (arm_file_end): New function.
7410         (TARGET_ASM_FILE_END): Call arm_file_end.
7411         (aof_file_end): Likewise.
7412         * arm-protos.h (thumb_call_via_reg): Declare.
7413         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7414         thumb_call_via_reg in normal case.
7415
7416 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7417
7418         PR middle-end/19084
7419         PR rtl-optimization/19348
7420         * recog.c (peephole2_optimize): Do global life update if some peephole
7421         decides it doesn't need at least one of its inputs and that change
7422         influences liveness at the start of the basic block.
7423
7424         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7425         arguments instead of 1.
7426
7427 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7428
7429         PR middle-end/18820
7430         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7431         zero for nested functions needing a static chain or functions
7432         with a non-constant address.
7433
7434 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7435
7436         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7437         (and (sign_extend X) C) into (zero_extend (and X C)).
7438
7439 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7440
7441         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7442
7443 2005-01-13  Richard Henderson  <rth@redhat.com>
7444
7445         PR target/19009
7446         PR target/19250
7447         PR target/19252
7448         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7449         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7450         not just TARGET_SSE.
7451         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7452         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7453         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7454         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7455         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7456         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7457         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7458         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7459         (movdicc_c_rex64): Rename with '*'.
7460         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7461         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7462         (movsfcc_1_387): Rename from movsfcc_1.
7463         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7464         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7465         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7466         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7467         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7468         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7469         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7470         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7471         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7472         sse_movdfcc_const0_4): Remove.
7473         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7474         recognize min/max early.  Update for changed sse cmove patterns.
7475         (ix86_split_sse_movcc): New.
7476         * config/i386/i386-protos.h: Update.
7477
7478 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7479
7480         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7481         (fix_stmt_v_may_defs): Likewise.
7482
7483 2005-01-13  Richard Henderson  <rth@redhat.com>
7484
7485         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7486         for converting the mask.
7487
7488 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7489
7490         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7491         definition to 600.
7492
7493 2005-01-13  Richard Henderson  <rth@redhat.com>
7494
7495         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7496         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7497         IX86_BUILTIN_MOVDQ2Q): Remove.
7498         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7499         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7500         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7501         shuffling.
7502         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7503         (sse2_pextrw): Fix immediate constraint.
7504         (sse2_loadq, sse2_loadq_rex64): Remove.
7505         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7506         Use __builtin_ia32_vec_ext_<size>.
7507         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7508
7509 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7510
7511         * function.c (assign_parm_setup_block): Look inside original
7512         entry_parm when inspecting PARALLEL.
7513
7514 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7515             Joel Sherrill  <joel@oarcorp.com>
7516
7517         PR target/19399
7518         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7519         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7520         rtems_gxx_recursive_mutex_init.
7521         (__gthread_recursive_mutex_lock): New function.
7522         (__gthread_recursive_mutex_trylock): Likewise.
7523         (__gthread_recursive_mutex_unlock): Likewise.
7524
7525 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7526
7527         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7528
7529 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7530
7531         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7532         (ashrti3_internal): Indicate output is early clobber. Generate result
7533         into output rather than first input. Use move for low word of output
7534         if shift count is exactly 64.
7535         (lshrti3_internal): Likewise.
7536
7537 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7538
7539         PR target/18329
7540         PR target/18330
7541         * reload1.c (delete_output_reload): Don't delete an output reload
7542         if the pseudo lives longer than a single basic block.  Adjust and
7543         improve wording of comment.
7544
7545 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7546
7547         PR target/19334
7548         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7549         of TYPE_SIZE where we mean the number of bytes.
7550
7551 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7552
7553         * function.c (assign_parm_setup_block): Relax condition on
7554         multi-register optimization.
7555
7556 2005-01-12  Nick Clifton  <nickc@redhat.com>
7557
7558         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7559         an "in_delay_slot" attribute of "no" to prevent them being used in
7560         delay slots.  This is forbidden because they might generate
7561         exceptions.
7562
7563 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7564
7565         PR target/19389
7566         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7567         with r->Y and Y->r.
7568
7569 2005-01-12  Nick Clifton  <nickc@redhat.com>
7570
7571         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7572         passed on to GAS) but do not define, as GAS no longer supports or
7573         needs the -m2000 option.
7574
7575 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7576
7577         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7578         type as args of unprototyped builtins aren't automatically promoted.
7579         (fold_builtin_abs): Likewise.
7580
7581 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7582
7583         * Makefile.in: Set a `build-warn' variable.
7584
7585 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7586
7587         PR tree-optimization/17949
7588         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7589         (find_interesting_uses_address): Use it.
7590
7591 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7592
7593         * regrename.c (kill_value): Handle subreg's that won't simplify.
7594
7595 2005-01-11  Richard Henderson  <rth@redhat.com>
7596
7597         PR target/13366
7598         * config/i386/i386.h (enum ix86_builtins): Move ...
7599         * config/i386/i386.c: ... here.
7600         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7601         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7602         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7603         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7604         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7605         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7606         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7607         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7608         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7609         IX86_BUILTIN_LOADDDUP): Remove.
7610         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7611         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7612         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7613         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7614         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7615         (ix86_init_builtins): Make static.
7616         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7617         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7618         if all the modes match.  Otherwise, fake it.
7619         (get_element_number, ix86_expand_vec_init_builtin,
7620         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7621         (ix86_expand_builtin): Make static.  Update for changed builtins.
7622         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7623         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7624         (ix86_expand_vector_init_duplicate): New.
7625         (ix86_expand_vector_init_low_nonzero): New.
7626         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7627         Split out from ix86_expand_vector_init; handle integer modes.
7628         (ix86_expand_vector_init): Use them.
7629         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7630         * config/i386/i386-protos.h: Update.
7631         * config/i386/predicates.md (reg_or_0_operand): New.
7632         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7633         (movv2sf_internal): Likewise.  And a splitter to match them all.
7634         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7635         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7636         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7637         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7638         (mmx_pinsrw): Fix operand ordering.
7639         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7640         rather than sse_loadss expander.
7641         (movv2df splitter): Similarly.
7642         (sse_loadss, sse_loadlss): Remove.
7643         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7644         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7645         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7646         (sse3_movddup): Rename with '*'.
7647         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7648         (sse2_loadsd): Remove.
7649         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7650         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7651         (sse2_pinsrw): Fix argument ordering.
7652         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7653         (sse2_stored): Remove 'r' destination.
7654         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7655         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7656         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7657         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7658         vec_extractv16qi, vec_initv16qi): New.
7659
7660         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7661         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7662         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7663         constructor form.
7664         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7665         (_mm_load_si128, _mm_store_si128): Likewise.
7666         (_mm_load1_pd): Use _mm_set1_pd.
7667         (_mm_load_sd): Use _mm_set_sd.
7668         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7669         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7670         (_mm_set_epi64): Use _mm_set_epi64x.
7671         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7672         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7673         _mm_setr_epi8): Use _mm_set_foo form.
7674         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7675         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7676         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7677         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7678         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7679         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7680         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7681         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7682         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7683         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7684         (_mm_movedup_pd): Use _mm_shuffle_pd.
7685         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7686         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7687         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7688         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7689         Use _mm_setzero_ps.
7690         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7691         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7692         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7693         (_mm_store_ps): Use raw dereference.
7694         (_mm_store1_ps): Use _mm_storeu_ps.
7695         (_mm_storer_ps): Use _mm_store_ps.
7696         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7697         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7698
7699 2005-01-11  Stan Shebs  <shebs@apple.com>
7700
7701         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7702         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7703
7704 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7705
7706         PR target/18761
7707         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7708         Skip all DECLs except for FIELD_DECLs.
7709
7710 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7711
7712         * config/s390/s390.c (override_options): Return error if
7713         -mbackchain, -mpacked-stack and -mhard-float are used together.
7714         (s390_va_start): Remove the backchain && packed-stack special case.
7715         (s390_gimplify_va_arg): Likewise.
7716         * doc/invoke.texi: Remove the ABI incompatibility note.
7717
7718 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7719
7720         * config/s390/s390.c (struct s390_frame_layout): Remove
7721         save_backchain_p.
7722         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7723         save_backchain_p with TARGET_BACKCHAIN.
7724
7725 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7726
7727         PR target/18916
7728         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7729         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7730         * function.c (locate_and_pad_parm): Set new field.
7731         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7732         Tweak where_pad test to include "none".  Always set mem align for
7733         stack_parm.
7734         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7735         not sufficient for type.
7736         (assign_parm_setup_block): If stack_parm is zero on entry, always
7737         make a new stack local.  Block move old stack parm if necessary
7738         to new aligned stack local.
7739         (assign_parm_setup_stack): Use a block move to handle
7740         potentially misaligned entry_parm.
7741         (assign_parms_unsplit_complex): Specify required alignment when
7742         creating stack local.
7743         * calls.c (compute_argument_addresses): Override alignment of stack
7744         arg calculated from its type with the alignment given by
7745         FUNCTION_ARG_BOUNDARY.
7746         (store_one_arg): Likewise.
7747
7748 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7749
7750         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7751         Change respective itanium_class attribute to ialu.
7752         (shladdp4_internal): New.
7753         * config/ia64/predicates.md (shladd_log2_operand): New.
7754
7755 2005-01-11  Richard Henderson  <rth@redhat.com>
7756
7757         * expr.c (store_constructor): Use rtvec_alloc instead of
7758         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7759
7760 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7761
7762         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7763
7764 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7765
7766         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7767         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7768         (TARGET_RWRELOC): Define.
7769         (ia64_rwreloc_section_type_flags): Delete.
7770         (ia64_section_type_flags): New function.
7771         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7772         (TARGET_RWRELOC): Define.
7773
7774 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7775
7776         PR target/18987
7777         * config/ia64/ia64.c (process_set): For alloc insn, only call
7778         process_epilogue is !frame_pointer_needed.
7779
7780 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7781
7782         PR c++/19355
7783         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7784         unary operator and can't be treated as a binary/comparison operator.
7785
7786 2005-01-10  Richard Henderson  <rth@redhat.com>
7787
7788         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7789         (ix86_return_in_memory): Likewise.
7790         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7791         for choosing register to advance.
7792
7793 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7794
7795         * tree-vectorizer.c, tree.def: Fix comment typos.
7796
7797 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7798
7799         * config/s390/s390.c (struct processor_costs): 4 new fields:
7800         ddbr, ddr, debr, der.
7801         (s390_rtx_costs): More precise handling of divide instructions.
7802
7803 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7804
7805         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7806
7807 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7808
7809         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7810         names resulting from -ffunction-sections/-fdata-sections and linkonce
7811         ones.
7812         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7813         based on the section name. Rearrange the section name comparison logic
7814         slightly so that each section name is compared against at most once.
7815
7816 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7817
7818         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7819         targets for which -fPIC reduces limitations on the GOT size.
7820
7821 2005-01-09  Falk Hueffner  <falk@debian.org>
7822
7823         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7824         X/C1 cmpop C2.
7825
7826 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7827
7828         PR target/18720
7829         * collect2.c (main): Set aixrtl_flag for -brtl option.
7830         (resolve_lib_name): Search for .so file extension before .a
7831         if aixrtl_flag set.
7832
7833 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7834
7835         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7836         (vect_analyze_data_refs_alignment): Add dump prints.
7837
7838 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7839
7840         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7841         expr_invariant_in_loop_p.
7842         Initialize outputs first thing in the function.
7843         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7844         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7845         (vect_analyze_pointer_ref_access): Check that the initial condition of
7846         the access function is loop invariant.
7847
7848 2005-01-09  Richard Henderson  <rth@redhat.com>
7849
7850         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7851         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7852         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7853         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7854         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7855         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7856         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7857         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7858         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7859         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7860         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7861         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7862         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7863         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7864         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7865         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7866         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7867         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7868         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7869         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7870         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7871         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7872         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7873         mmx_ prefix.
7874         (mmx_clrdi, pavgusb): Remove.
7875         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7876         with leading sse_ prefix.
7877         * config/i386/sse.md: Receive them.
7878         * config/i386/mmx.md: New file.
7879         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7880         (subrv2sf3): Turn into expander for normal subtraction.
7881         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7882         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7883         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7884         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7885         commutative; use ix86_binary_operator_ok.
7886         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7887         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7888         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7889         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7890         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7891         Macroize from existing patterns; use ix86_binary_operator_ok.
7892         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7893         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7894         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7895         with vec_select+vec_concat.
7896         (mmx_pshufw, mmx_pshufw_1): Likewise.
7897         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7898         (mmx_uavgv4hi3): Model correctly.
7899         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7900         _mm_xor_si64): Remove casts.
7901
7902 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7903
7904         PR tree-optimization/19224
7905         * tree-scalar-evolution.c (get_instantiated_value,
7906         set_instantiated_value): New functions.
7907         (instantiate_parameters_1): Cache the results.
7908         (instantiate_parameters, resolve_mixers): Initialize and free
7909         the cache.
7910
7911 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7912
7913         * config/i386/i386.md (addhi_4): Correct reference in comment.
7914         (addqi_4): Same.
7915
7916 2005-01-08  Richard Henderson  <rth@redhat.com>
7917
7918         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7919         (_mm_cvtsi128_si64x): Likewise.
7920         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7921         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7922         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7923         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7924         * config/i386/i386-protos.h: Update.
7925         * config/i386/i386.c (print_operand): Add 'H'.
7926         (ix86_fixup_binary_operands): Split out from ...
7927         (ix86_expand_binary_operator): ... here.
7928         (ix86_fixup_binary_operands_no_copy): New.
7929         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7930         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7931         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7932         (safe_vector_operand): Use CONST0_RTX.
7933         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7934         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7935         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7936         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7937         special cases.
7938         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7939         (IX86_BUILTIN_CMPNGESS): New.
7940         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7941         (attr type): Add sselog1.
7942         (attr unit, attr memory): Handle it.
7943         (movti, movti_internal, movti_rex64): Move near other integer moves.
7944         (movtf, movtf_internal): Move near other fp moves.
7945         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7946         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7947         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7948         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7949         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7950         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7951         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7952         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7953         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7954         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7955         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7956         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7957         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7958         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7959         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7960         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7961         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7962         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7963         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7964         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7965         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7966         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7967         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7968         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7969         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7970         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7971         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7972         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7973         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7974         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7975         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7976         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7977         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7978         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7979         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7980         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7981         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7982         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7983         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7984         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7985         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7986         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7987         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7988         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7989         same time.
7990         (SSEPUSH, push<SSEPUSH>): Remove.
7991         (MMXPUSH, push<MMXPUSH>): Remove.
7992         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7993         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7994         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7995         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7996         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7997         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7998         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7999         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8000         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8001         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8002         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8003         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8004         (ppro_sse_log_V4SF): Handle sselog1.
8005         * config/i386/predicates.md (const_0_to_1_operand): New.
8006         (const_0_to_255_mul_8_operand): New.
8007         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8008         (const_2_to_3_operand, const_4_to_7_operand): New.
8009         * config/i386/sse.md: New file.
8010         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8011         (sse_movups): Rename from sse_movups_1.
8012         (sse_loadlss): Rename from sse_loadss_1.
8013         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8014         from the name.
8015         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8016         (absv4sf2, negv2df, absv2df): New.
8017         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8018         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8019         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8020         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8021         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8022         (sse3_addsubv4sf3): Model correctly.
8023         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8024         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8025         (sse_movhlps): Model with vec_select+vec_concat.
8026         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8027         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8028         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8029         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8030         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8031         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8032         sse2_pshufhw_1): Likewise.
8033         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8034         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8035         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8036         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8037         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8038         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8039         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8040         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8041         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8042         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8043         sminv8hi3): Mark commutative
8044         operands.  Use ix86_binary_operator_ok.
8045         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8046         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8047         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8048         sse2_punpcklqdq): Allow operand2 in memory.
8049         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8050         sse2_movsd): Add memory alternatives.
8051         (sse_storelps): Turn expander into an insn; split after reload.
8052         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8053         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8054
8055 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8056
8057         * configure.ac (DWARF-2 debug_line): Use objdump.
8058         * configure: Regenerate.
8059
8060 2005-01-08  Jeff Law  <law@redhat.com>
8061             Diego Novillo  <dnovillo@redhat.com>
8062
8063         PR tree-optimization/18241
8064         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8065         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8066         statements with volatile operands.
8067         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8068         operands after marking a statement with has_volatile_ops.
8069
8070 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8071
8072         * tree.c (int_fits_type_p): Always honor integer constant
8073         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8074
8075 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8076
8077         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8078         the latent bug in rtl_delete_block has been resolved.
8079
8080 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8081
8082         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8083         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8084
8085 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8086
8087         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8088         library as @multilib_dir@/$(SHLIB_SONAME).
8089
8090 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8091
8092         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8093         * configure: Regenerate.
8094
8095 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8096
8097         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8098         TYPE_MODE.
8099
8100 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8101
8102         PR target/13674
8103         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8104         Convert non-word aligned offset address using ld/std into
8105         indirect address.
8106
8107 2005-01-07  Richard Henderson  <rth@redhat.com>
8108
8109         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8110
8111 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8112
8113         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8114
8115 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8116
8117         PR tree-optimization/19283
8118         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8119         is not shorter than the original type.
8120
8121         PR rtl-optimization/19012
8122         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8123
8124         PR rtl-optimization/18861
8125         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8126         (FULL_STATE): Define.
8127         (mark_tablejump_edge): New function.
8128         (purge_dead_tablejump_edges): New function.
8129         (find_bb_boundaries): Use it.
8130
8131         PR tree-optimization/18828
8132         * builtins.c (expand_builtin_next_arg): Remove argument and all
8133         the argument checking.
8134         (expand_builtin): Adjust caller.
8135         (expand_builtin_va_start): Likewise.  Remove error for too many
8136         arguments.
8137         (fold_builtin_next_arg): Issue error for too many arguments.
8138         After checking arguments, replace them with magic arguments that
8139         prevent further checking of the args.
8140
8141 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8142
8143         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8144
8145 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8146
8147         PR target/6077
8148         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8149         and %{.S:...} (and their negative variants) to test whether the
8150         input file is assembler or pre-processed-assembler independent of
8151         the actual filename extension.
8152
8153 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8154
8155         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8156         of sign or zero extended values.
8157
8158 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8159
8160         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8161         for IBM long double format correctly.
8162
8163 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8164
8165         Fix PR tree-optimization/18792
8166
8167         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8168         to first_loop_depth, and use loop depth instead of loop number.
8169         (build_classic_dir_vector): Ditto.
8170         (compute_data_dependences_for_loop): Use depth, not loop number.
8171         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8172         number. Pass in loops, instead of loop numbers.
8173         (gather_interchange_stats): Ditto.
8174         (linear_transform_loops): Ditto.
8175
8176 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8177
8178         PR rtl-opt/13299
8179         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8180         biv_fits_mode_p, extension_within_bounds_p): New functions.
8181         (check_ext_dependent_givs): Use them.
8182
8183 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8184
8185         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8186         more than one barrier, in which case we should delete them all.
8187
8188 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8189
8190         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8191
8192 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8193
8194         Fix PR middle-end/19286
8195         Fix PR debug/19267
8196         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8197         output this subprogram, simply ignore this attempt to do it again.
8198         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8199         origin attribute if it's not possible.
8200         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8201         (decls_for_scope): Ditto.
8202         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8203         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8204
8205 2005-01-05  Richard Henderson  <rth@redhat.com>
8206
8207         PR target/11327
8208         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8209         (bdesc_2arg): Use it.
8210         (ix86_expand_binop_builtin): Force operands into registers
8211         when optimizing.
8212         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8213         ix86_expand_sse_compare, ix86_expand_sse_comi,
8214         ix86_expand_builtin): Likewise.
8215
8216 2005-01-05  Richard Henderson  <rth@redhat.com>
8217
8218         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8219         and VEC_SELECT.
8220         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8221         (mulv4hi3): Set itanium_class mmmul.
8222         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8223         (fpack): Rename from fpack_sfsf.
8224
8225 2005-01-05  Richard Henderson  <rth@redhat.com>
8226
8227         PR rtl-opt/10692
8228         * reload1.c (do_input_reload): Restrict the optimization deleteing
8229         a previous output reload to RELOAD_FOR_INPUT.
8230
8231 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8232
8233         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8234         comment that we fall through after case.
8235         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8236         (distribute_links): Likewise.
8237         * cse.c (cse_insn): Likewise.
8238         * cselib.c (cselib_invalidate_mem): Likewise.
8239         * df.c: Update comments at the top of the file.
8240         (read_modify_subreg_p): Update comments here too.
8241         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8242         * flow.c (mark_set_1): Likewise.
8243         (mark_used_regs): Likewise.
8244         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8245         (canon_list_insert): Likewise.
8246         (mark_set): Likewise.
8247         (try_replace_reg): Likewise.
8248         (store_killed_in_insn): Likewise.
8249         * loop.c (count_one_set): Likewise.
8250         (basic_induction_var): Likewise.
8251         * postreload-gcse.c (find_mem_conflicts): Likewise.
8252         * postreload.c (reload_combine_note_store): Likewise.
8253         (move2add_note_store): Likewise.
8254         * reload.c (find_equiv_reg): Likewise.
8255         (mark_referenced_resources): Likewise.
8256         * rtlanal.c (set_noop_p): Likewise.
8257         (note_stores): Likewise.
8258         (note_uses): Likewise.
8259         * sched-deps.c (sched_analyze_1): Likewise.
8260         * sched-rgn.c (check_live_1): Likewise.
8261         (update_live_1): Likewise.
8262         * config/i860/i860.c: Likewise.
8263
8264         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8265         an lvalue.
8266         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8267
8268         * doc/rtl.texi: Update documentation for bit-fields and SET.
8269
8270 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8271
8272         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8273
8274 2005-01-05  Jan Hubicka  <jh@suse.cz>
8275             Richard Henderson  <rth@redhat.com>
8276
8277         PR target/18910
8278         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8279         with an offset.
8280
8281 2005-01-05  Richard Henderson  <rth@redhat.com>
8282
8283         PR target/12902
8284         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8285         (sse_shufps): Change operand 3 to const_int_operand.
8286         (sse2_storelps): Fix typo in template.
8287         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8288         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8289         (ix86_expand_builtin): Likewise.
8290
8291 2005-01-05  Julian Brown  <julian@codesourcery.com>
8292
8293         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8294         as aggregates for AAPCS ABIs.
8295
8296 2005-01-05  Stan Shebs  <shebs@apple.com>
8297
8298         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8299         Mach-O getters if ppc64.
8300         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8301         size argument.
8302         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8303         signed four-byte field for global code case.
8304         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8305
8306 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8307
8308         PR middle-end/19100
8309         * c-common.c: Include real.h.
8310         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8311         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8312         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8313         * Makefile.in (c-common.o): Update dependencies.
8314
8315 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8316
8317         * c-parse.in (asm_string): Add trailing semicolon.
8318
8319 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8320
8321         * c-parse.in (asm_string): New.  Don't allow wide strings in
8322         'asm'.
8323         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8324         asm_string instead of STRING.
8325
8326 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8327
8328         * c-typeck.c (constructor_no_implicit): Remove.
8329         (set_designator, process_init_element): Don't check
8330         constructor_no_implicit.
8331
8332 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8333             Kaz Kojima  <kkojima@gcc.gnu.org>
8334
8335         PR target/16482
8336         * lcm.c (create_pre_exit): New.
8337         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8338         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8339
8340 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8341
8342         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8343         -msoft-float in target_float_switch.
8344         * arm.c (arm_override_options): Fix processing of target_float_switch.
8345
8346 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8347
8348         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8349         preferencing.
8350
8351 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8352
8353         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8354         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8355
8356 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8357
8358         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8359         if deleting the then-block allows the test-block to fallthru to the
8360         else-block.
8361
8362 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8363
8364         PR c/19152
8365         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8366         after the full declaration if the are in two different TUs.
8367
8368 2005-01-04  Richard Henderson  <rth@redhat.com>
8369
8370         PR tree-opt/19158
8371         * tree-sra.c (generate_one_element_init): Just
8372         call gimplify_and_add.
8373         (generate_element_init): Record the
8374         new referenced variables and mark them for renaming
8375         and split out to ...
8376         (generate_element_init_1): This.
8377         (scalarize_init): Don't call push_gimplify_context/
8378         pop_gimplify_context.
8379
8380 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8381
8382         * toplev.c (get_src_pwd): Handle failure of getpwd().
8383
8384 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8385
8386         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8387         of TRUTH_NOT_EXPR.
8388         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8389         all the cases handled by it are inverted by invert_truthvalue.
8390
8391 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8392
8393         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8394         (save_register_windowsi): Likewise.
8395
8396 2005-01-04  Richard Henderson  <rth@redhat.com>
8397
8398         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8399
8400 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8401
8402         PR middle-end/17767
8403         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8404         any simplifications of vector mode comparison operators.
8405         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8406
8407 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8408             Devang Patel  <dpatel@apple.com>
8409
8410         PR tree-optimization/18308
8411         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8412         the operands before creating a new expression.
8413         * dojump.c (do_jump): Make drop_through_label available
8414         for all cases.  Add expansion of COND_EXPR.
8415
8416 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8417
8418         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8419         INTEGER_CST instead of TREE_CONSTANT.
8420         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8421         instead of TREE_CONSTANT.
8422         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8423         instead of TREE_CONSTANT.
8424
8425 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8426
8427         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8428
8429 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8430
8431         PR target/19240
8432         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8433         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8434
8435 2005-01-03  Richard Henderson  <rth@redhat.com>
8436
8437         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8438         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8439         fold_convert_const_real_from_real): Split out from ...
8440         (fold_convert_const): ... here.
8441
8442 2005-01-03  Richard Henderson  <rth@redhat.com>
8443
8444         PR target/19235
8445         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8446         (mov<MMXMODEI>_internal): Likewise.
8447         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8448         Add V2SF case; use it for SSE1; don't use TI.
8449         (movdf_integer): Likewise.
8450         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8451
8452 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8453
8454         * tree-vectorizer.c (vect_strip_conversions): New function.
8455         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8456         check for binary class.
8457
8458 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8459
8460         Fix PR debug/17924
8461         Fix PR debug/19191
8462         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8463         is a decl.
8464         * gimple-low.c (mark_blocks_with_used_vars): New function.
8465         (mark_blocks_with_used_subblocks): Ditto.
8466         (mark_used_blocks): Ditto.
8467         (pass_mark_used_blocks): New pass.
8468         * tree-inline.c: Include debug.h.
8469         (expand_call_inline): Call outlining_inline_function here.
8470         * tree-optimize.c (init_tree_optimization_passes): Add
8471         pass_mark_used_blocks.
8472         * tree-pass.h (pass_mark_used_blocks): New.
8473         * Makefile.in (tree-inline.o): Add debug.h dependency.
8474
8475 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8476
8477         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8478         VAR_DECLs to have weak_import attribute.
8479
8480         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8481         'struct ucontext'.
8482
8483 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8484
8485         * passes.c (rest_of_compilation): Don't run regmove if only
8486         flag_expensive_optimizations, require flag_regmove instead.
8487
8488 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8489
8490         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8491         register "sparc".
8492         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8493         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8494         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8495         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8496
8497 2005-01-03  Richard Henderson  <rth@redhat.com>
8498
8499         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8500         (ia64_const_ok_for_letter_p): New.
8501         (ia64_const_double_ok_for_letter_p): New.
8502         (ia64_extra_constraint): New.
8503         (ia64_expand_vecint_compare): New.
8504         (ia64_expand_vcondu_v2si): New.
8505         (ia64_expand_vecint_cmov): New.
8506         (ia64_expand_vecint_minmax): New.
8507         (ia64_print_operand): Add 'v'.
8508         (ia64_preferred_reload_class): New.
8509         (ia64_vector_mode_supported_p): New.
8510         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8511         (PREFERRED_RELOAD_CLASS): Move to function.
8512         (CONST_OK_FOR_LETTER_P): Move to function.
8513         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8514         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8515         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8516         (EXTRA_CONSTRAINT): Move to function.
8517         * config/ia64/ia64.md: Include vect.md.
8518         (itanium_class): Add mmalua.
8519         (type): Handle it.
8520         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8521         (1b_mmalua): New.
8522         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8523         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8524         CONST0_RTX.
8525         (const_int_2bit_operand): New.
8526         (fr_reg_or_0_operand): New.
8527         * config/ia64/ia64-modes.def: Add vector modes.
8528         * config/ia64/ia64-protos.h: Update.
8529         * config/ia64/vect.md: New file.
8530
8531 2005-01-03  Richard Henderson  <rth@redhat.com>
8532
8533         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8534
8535 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8536
8537         PR target/19236
8538         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8539         to SFmode.
8540         (log1pdf2): Change mode of operands[0,1] to DFmode.
8541
8542 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8543
8544         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8545         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8546         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8547         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8548         SPARC_RELAXED_ORDERING.
8549
8550 2005-01-03  Richard Henderson  <rth@redhat.com>
8551             Uros Bizjak  <uros@kss-loka.si>
8552
8553         PR target/14631
8554         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8555         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8556         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8557         handling.
8558         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8559         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8560         const_pow2_1_to_128_operand): New predicates.
8561
8562 2005-01-02  Greg McGary  <greg@mcgary.org>
8563
8564         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8565         anonymous decls.
8566         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8567         object.  [ptr_type]: Remove unused variable.
8568         Remember nearest addressable array-element or record-component
8569         when checking bitfield components.  Tolerate empty BIND_EXPR.
8570
8571 2005-01-01  Richard Henderson  <rth@redhat.com>
8572
8573         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8574         that don't narrow the value.  Fail for other conversions.
8575
8576 2005-01-01  Richard Henderson  <rth@redhat.com>
8577
8578         PR c/19031
8579         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8580         * c-lang.c (finish_file): Don't do it here.
8581         * objc/objc-act.c (objc_finish_file): Likewise.
8582
8583         * cgraph.c (decl_assembler_name_equal): New.
8584         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8585         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8586         * cgraph.h (struct cgraph_varpool_node): Add next.
8587         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8588         * varasm.c (assemble_alias): Mark the target as needed.
8589
8590 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8591
8592         PR middle-end/19221
8593         * function.c (get_arg_pointer_save_area): Use entry_of_function
8594         instead of get_insns.
8595
8596 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8597             Andrew Pinski  <pinskia@physics.uc.edu>
8598             James E. Wilson  <wilson@specifixinc.com>
8599
8600         PR rtl-optimization/12092
8601         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8602         is zero.
8603
8604 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8605             Olivier Hainque  <hainque@act-europe.fr>
8606
8607         * tree.c (int_fits_type_p): A narrower type always fits in a
8608         wider one, except for negative values into unsigned types.
8609
8610 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8611
8612         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8613         with the original constant rather than require TREE_OVERFLOW.
8614
8615 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8616
8617         PR middle-end/17544
8618         * c-decl.c (finish_function): If compiling C99, annotate the
8619         compiler generated return with the current file name and line 0.
8620         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8621         the source line is greater than 0.
8622         (remove_bb): Likewise.
8623
8624 See ChangeLog.12 for earlier changes.