gcc/ChangeLog

   1 2005-03-28  Ian Lance Taylor  <ian@airs.com>
   2
   3         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
   4         0 when calling final_scan_insn.
   5
   6 2005-03-28  Jan Hubicka  <jh@suse.cz>
   7
   8         PR middle-end/20635
   9         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
  10         as needed.
  11
  12         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
  13         types where possible.
  14
  15 2005-03-26  Per Bothner  <per@bothner.com>
  16
  17         Make -f[no-]show-column also control non-cpp diagnostics.
  18         * c.opt (fshow-column): Move option from here ...
  19         * common.opt (fshow-column): ... to here.
  20         * diagnostic.c (diagnostic_build_prefix): Only print column number
  21         if flag_show_column.
  22
  23 2005-03-27  Steven Bosscher  <stevenb@suse.de>
  24
  25         * vax-protos.h (vax_output_int_move, vax_output_int_add,
  26         vax_output_conditional_branch): New prototypes.
  27         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
  28         extracted from vax.md mov and add patterns.
  29         (vax_output_conditional_branch): New function to output conditional
  30         branch instructions.
  31         * vax.md: Use mode macros for arithmetic and mov patterns.
  32         Use code macros for the jump patterns.
  33
  34 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
  35
  36         * Makefile.in (libbackend.o): Depend on version files;
  37         add custom generation command.
  38
  39 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
  40
  41         PR target/20636
  42         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
  43         sure that we have a REG before getting its REGNO.
  44
  45 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  46
  47         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
  48         * builtins.def (BUILT_IN_STRNDUP): New.
  49
  50 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
  51
  52         PR tree-optimization/20470
  53         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
  54         ABS(x-y).
  55
  56 2005-03-25  Mike Stump  <mrs@apple.com>
  57
  58         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
  59         sized objects.
  60
  61 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
  62
  63         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
  64         Use our own structure definitions.
  65
  66         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
  67         (fix_truncdfsi2): Allow registers or memory as destination.
  68         When TARGET_PPC_GFXOPT, generate simplified pattern.
  69         (fix_truncdfsi2_internal): Use define_insn_and_split.
  70         (fix_truncdfsi2_internal_gfxopt): New.
  71         (fctiwz): Don't confuse register allocation by giving it no choices.
  72         (stfiwx): New.
  73         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
  74         (EXTRA_MEMORY_CONSTRAINT): Likewise.
  75         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
  76         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
  77
  78 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
  79
  80         * dominance.c (free_dominance_info): Speed up by freeing et
  81         data structures without maintaining other nodes.
  82         * et-forest.c (et_free_tree_force): New.
  83         * et-forest.h: Add a prototype for et_free_tree_force.
  84
  85         * tree.c (get_set_constructor_bits,
  86         get_set_constructor_bytes): Remove.
  87         * tree.h: Remove the corresponding prototypes.
  88
  89 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
  90
  91         PR target/15491
  92         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
  93         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
  94         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
  95         PRE_DEC, NEG and NOT.
  96
  97 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
  98
  99         * fold-const.c: Convert uses of fold (build (...)) to
 100         fold_buildN.
 101
 102 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
 103
 104         PR rtl-optimization/20249
 105         * cse.c (insert_regs): Do not record equivalence of registers in
 106         different modes.
 107
 108 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
 109
 110         * emit-rtl.c (reverse_comparison): Remove.
 111         * rtl.h: Remove the corresponding prototype.
 112
 113 2005-03-24  James E Wilson  <wilson@specifixinc.com>
 114
 115         * doc/install.texi (--enable-altivec): Delete docs.
 116
 117 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
 118
 119         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
 120         SFmode and DFmode before reload when
 121         flag_unsafe_math_optimizations not enabled.
 122
 123 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
 124
 125         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
 126
 127         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
 128         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
 129
 130 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
 131
 132         * configure.ac (enable-checking): Add 'runtime' option.
 133         * doc/install.texi (enable-checking): Document 'runtime' checking.
 134         * tsystem.h (gcc_assert, gcc_unreachable): Define.
 135         * config.in: Regenerated.
 136         * configure: Regenerated.
 137
 138 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
 139
 140         * optabs.h (enum optab_index): Remove OTI_llrint.
 141         (llrint_optab): Remove macro.
 142         * optabs.c (init_optabs): Remove llrint_optab initialization.
 143         * genopinit.c (optabs): Remove llrint_optab implementation.
 144         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
 145         using lrint_optab.
 146
 147 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
 148
 149         PR rtl-optimization/20532
 150         * simplify-rtx.c (simplify_binary_operation_1): Protect from
 151         overflow when adding coefficients for PLUS or MINUS.
 152         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
 153         two as multiplier.
 154
 155 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 156
 157         * langhooks.h (truthvalue_conversion): Remove.
 158         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
 159         LANG_HOOKS_TRUTHVALUE_CONVERSION.
 160         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
 161         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
 162         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
 163
 164 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
 165
 166         * params.def: Fix a typo.
 167         * config/mips/mips.c: Follow the spelling convensions.
 168         * doc/invoke.texi: Fix typos.
 169
 170 2005-03-18  Dale Johannese  <dalej@apple.com>
 171
 172         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
 173
 174 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
 175
 176         Fix PR tree-optimization/20601
 177
 178         * tree-ssa-pre.c (insert_aux): Add missing condition to
 179         constification.
 180
 181 2005-03-23  Ian Lance Taylor  <ian@airs.com>
 182
 183         * final.c (final_scan_insn): Don't remove no-op instructions.
 184         * reload1.c (reload): Remove simple no-op instructions even when
 185         not optimizing.
 186
 187 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
 188
 189         PR tree-optimization/20501
 190         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
 191         reporting that peeling for alignment is applied moved to...
 192         * (vect_analyze_data_refs_alignment): Here.
 193
 194 2005-03-23  Ian Lance Taylor  <ian@airs.com>
 195
 196         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
 197
 198 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 199
 200         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
 201         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
 202
 203 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
 204
 205         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
 206         imply that this is called once, independent of asms in code.
 207         Adjust to now being pased output and input lists.  Mention helper
 208         function decl_overlaps_hard_reg_set_p.
 209         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
 210         hook_tree_tree_identity and to take three trees, returning third.
 211         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
 212         prototype.
 213         * stmt.c: include hard-reg-set.h before tree.h.
 214         (decl_overlaps_hard_reg_set_p): New function, broken out from...
 215         (decl_conflicts_with_clobbers_p): Call
 216         decl_overlaps_hard_reg_set_p.
 217         (expand_asm_operands): Pass output and input lists in call to
 218         targetm.md_asm_clobbers.
 219         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
 220         hook_tree_tree_tree_tree_3rd_identity.
 221         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
 222         parameters.
 223         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
 224         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
 225         parameters, first two unused.
 226         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
 227         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
 228         in constraint letters and MOF is not mentioned as a asm-declared
 229         register in neither of the input and output lists.
 230
 231 2005-03-23  DJ Delorie  <dj@redhat.com>
 232
 233         * optabs.c (expand_binop): Make sure the first subword's result
 234         gets stored.
 235
 236 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 237
 238         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
 239         Call c_common_truthvalue_conversion rather than
 240         lang_hooks.truthvalue_conversion.
 241         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
 242         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
 243         c-typeck.c.
 244         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
 245         c_common_truthvalue_conversion.
 246         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
 247         c_parser_conditional_expression, c_parser_binary_expression): Call
 248         c_objc_common_truthvalue_conversion.
 249         * c-typeck.c (build_unary_op): Call
 250         c_objc_common_truthvalue_conversion.
 251         (build_conditional_expr): Do not call
 252         lang_hooks.truthvalue_conversion.
 253         (build_binary_op): Call c_common_truthvalue_conversion.
 254         (c_objc_common_truthvalue_conversion): Moved from
 255         c-objc-common.c.  Call default_function_array_conversion instead
 256         of default_conversion.
 257
 258 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 259
 260         * c-common.h (default_conversion): Remove.
 261         (perform_integral_promotions): Add.
 262         * c-tree.h (default_conversion): Add.
 263         * c-typeck.c (perform_integral_promotions): New, split out from
 264         default_conversion.
 265         * c-common.c (check_case_value): Use perform_integral_promotions,
 266         not default_conversion.
 267         (c_add_case_label): Don't continue processing case label after
 268         found to be pointer.
 269
 270 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
 271
 272         * gcc.c (do_spec_1): Do not add a -L path for a directory in
 273         the prefix list if we have already added a multilib directory
 274         based on that path.
 275         (main): Do not add MD_EXEC_PREFIX to the list of directories to
 276         search with -L.
 277
 278 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 279
 280         * reload1.c (indirect_symref_ok, reload_obstack): Make them
 281         static.
 282         * reload.h: Remove the prototype for indirect_symref_ok.
 283
 284         * reload1.c (indirect_symref_ok): Make it global.
 285         * reload.h: Add a prototype for indirect_symref_ok.
 286
 287 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 288
 289         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
 290         ashlhi3 expander.
 291
 292 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 293
 294         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
 295
 296 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
 297
 298         * c-opts.c (c_common_parse_file): Only start/end main source file
 299         if debug hooks says the writer wants it.
 300         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
 301         member.
 302         (xcoff_debug_hooks): Ditto.
 303         * debug.c (do_nothing_hooks): Ditto.
 304         * debug.h (gcc_debug_hooks): Ditto.
 305         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
 306         * sdbout.c (sdb_debug_hooks): Ditto.
 307         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
 308
 309 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
 310
 311         * doc/extend.texi: Deprecate C++ min/max operators.
 312
 313 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
 314
 315         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
 316         artificial original candidates.
 317
 318 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
 319             Jan Hubicka  <jh@suse.cz>
 320             Steven Bosscher <stevenb@suse.de>
 321
 322         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
 323         call cost based on argument sizes.
 324         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
 325         inlining.
 326         * params.def: (max-inline-inssn-single): Set to 450.
 327         (max-inline-insns-auto): Set to 90.
 328         (max-inline-insns-recursive): Set to 450
 329         (max-inline-insns-recursive-auto): Set to 450.
 330         (large-function-insns): Set to 2700.
 331         (inline-call-cost): New parameter.
 332         * tree-inline.c (estimate_move_cost): New function.
 333         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
 334         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
 335         based on arguments.
 336         * tree-inline.h (estimate_move_cost): Declare.
 337         * invoke.texi: (max-inline-inssn-single): Change default to 450.
 338         (max-inline-insns-auto): Change default to 90.
 339         (max-inline-insns-recursive): Change default to 450
 340         (max-inline-insns-recursive-auto): Change default to 450.
 341         (large-function-insns): Change default to 2700.
 342         (inline-call-cost): Document new parameter.
 343
 344 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 345
 346         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
 347         (TARGET_DEFAULT): Delete.
 348         * config/i860/i860.opt: New file.
 349
 350 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 351
 352         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
 353         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 354         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 355         (frv_sched_lookahead): Delete.
 356         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
 357         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
 358         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
 359         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
 360         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
 361         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
 362         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
 363         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
 364         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
 365         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
 366         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
 367         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
 368         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
 369         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
 370         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
 371         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
 372         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
 373         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
 374         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
 375         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
 376         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
 377         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
 378         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
 379         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 380         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 381         (frv_sched_lookahead): Delete.
 382         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
 383         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 384         (frv_handle_option): New function.  Move -mcpu= handling from...
 385         (frv_override_options): ...here.  Remove handling of other
 386         TARGET_OPTIONS.
 387         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
 388         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
 389         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
 390         and TARGET_NO_MULTI_CE.
 391         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
 392         !TARGET_VLIW_BRANCH.
 393         * config/frv/frv.opt: New file.
 394
 395 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 396
 397         * fold-const.c (fold_ternary): Take decomposed arguments of
 398         CALL_EXPR.
 399         (fold): Update a call to fold_ternary.
 400
 401         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
 402         * tree.h: Add corresponding prototypes.
 403
 404 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
 405
 406         PR target/20561
 407         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
 408         between jump table and its label.
 409         * final.c (shorten_branches): Handle notes in between ADDR_VEC
 410         resp. ADDR_DIFF_VEC and the label preceeding it.
 411         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
 412         is emitted in the right section.
 413
 414 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 415
 416         * fold-const.c (fold_unary, fold_binary): Update comments
 417         about arguments.
 418
 419 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
 420
 421         PR rtl-optimization/20527
 422         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
 423         REG_INC note, test that the register also isn't mentioned in PRED
 424         or SUCC.
 425
 426 2005-03-22  Ben Elliston  <bje@au.ibm.com>
 427
 428         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
 429         and definition.
 430
 431 2005-03-21  Mike Stump  <mrs@apple.com>
 432
 433         * varasm.c (default_assemble_visibility): Remove extra ().
 434
 435 2005-03-21  Roger Sayle  <roger@eyesopen.com>
 436
 437         PR middle-end/20557
 438         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
 439         to determine whether a block can be duplicated, rather than test
 440         whether the block contains noncopyable insns ourselves.
 441
 442 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 443
 444         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
 445         predicates.
 446
 447 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 448
 449         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
 450
 451 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 452
 453         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
 454         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
 455         * config/fr30/fr30.opt: New file.
 456
 457 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
 458
 459         Fix PR tree-optimization/20542
 460
 461         * tree-flow-inline.h (overlap_subvar): Move to here.
 462         * tree-ssa-operands.c: From here.
 463         * tree-flow.h (overlap_subvar): Declare.
 464         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
 465         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
 466         for variables with subvars.
 467
 468 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
 469
 470         PR middle-end/20177
 471         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
 472         * modulo-sched.c (const_iteration_count): Return on NULL
 473         pre-header.
 474         (print_node_sched_params): Return on NULL dump_file.
 475         (generate_reg_moves): Handle reg-anti dependencies and disregard
 476         closing branch when generating register moves.
 477         (sms_schedule): Mark the SMSed block dirty.
 478         * passes.c (rest_of_handle_sms): Call update_life_info for all
 479         basic-blocks.
 480         * testsuite/gcc.dg/20050321-1.c: New test.
 481
 482 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 483
 484         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
 485         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
 486         movqi_internal): Likewise.
 487
 488 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 489
 490         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
 491         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
 492         xtensa_b4const): Delete prototypes.
 493         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
 494         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
 495         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
 496         xtensa_extra_constraint): New prototypes.
 497         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 498         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 499         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 500         move_operand, const_float_1_operand, fpmem_offset_operand,
 501         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
 502         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
 503         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
 504         argument type to HOST_WIDE_INT.
 505         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
 506         xtensa_mask_immediate): Likewise.
 507         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
 508         Likewise.  Also make these functions static.
 509         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
 510         (xtensa_const_ok_for_letter_p): New.
 511         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 512         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 513         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 514         move_operand, const_float_1_operand, fpmem_offset_operand,
 515         branch_operator, ubranch_operator, boolean_operator): Move to
 516         predicates.md.
 517         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
 518         (xtensa_mem_offset): Change return type to bool.
 519         (xtensa_extra_constraint): New.
 520         (gen_int_relational): Update type of const_range_p function pointer.
 521         Use xtensa_b4const_or_zero.
 522         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
 523         xtensa_const_ok_for_letter_p.  Update comments.
 524         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
 525         (PREDICATE_CODES): Delete.
 526         * config/xtensa/xtensa.md: Include predicates.md.
 527         * config/xtensa/predicates.md: New file.
 528
 529 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 530
 531         * config/v850/v850-protos.h: Remove the prototypes for
 532         reg_or_int9_operand, reg_or_const_operand,
 533         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
 534         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
 535         movsi_source_operand, power_of_two_operand,
 536         not_power_of_two_operand, special_symbolref_operand,
 537         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
 538         register_is_ok_for_epilogue.
 539         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
 540         reg_or_int9_operand, reg_or_const_operand,
 541         call_address_operand, special_symbolref_operand,
 542         movsi_source_operand, power_of_two_operand,
 543         not_power_of_two_operand, register_is_ok_for_epilogue,
 544         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
 545         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
 546         predicates.md.
 547         * config/v850/v850.h (PREDICATE_CODES): Remove.
 548         * config/v850/v850.md: Include predicates.md.
 549         * config/v850/predicates.md: New.
 550
 551 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 552
 553         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
 554         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
 555         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
 556         (itoolsdir, itoolsdatadir): Move definition above new first use.
 557         (install-itoolsdirs): New rule.
 558         (install-mkheaders): Depend on install-itoolsdirs, not
 559         install-include-dir.
 560
 561 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 562
 563         * tree-into-ssa.c: Remove obsolete comments.
 564
 565 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
 566
 567         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
 568         unrolling if -fpeel-loops is specified, too.
 569         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 570         Remove superfluous check for flag_unroll_loops.
 571
 572 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
 573
 574         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
 575         (lrint_optab, llrint_optab): Define corresponding macros.
 576         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
 577         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
 578         pattern and llrint_optab using llrintdi2 patterns.
 579         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
 580         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
 581         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
 582         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
 583         flag_unsafe_math_optimizations is set.
 584
 585 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 586
 587         * combine.c (combine_simplify_rtx, simplify_if_then_else,
 588         simplify_logical, if_then_else_cond, known_cond,
 589         simplify_comparison): Adjust calls to reverse_comparison.
 590         Don't use combine_reversed_comparison_code).
 591         (combine_reversed_comparison_code): Remove.
 592         (reversed_comparison): Using reversed_comparison_code, move it...
 593         * jump.c (reversed_comparison): ... here.
 594         * rtl.h (reversed_comparison): Add prototype.
 595
 596 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 597
 598         * builtins.c (fold_builtin): Take decomposed arguments of
 599         CALL_EXPR.
 600         * fold-const.c (fold_ternary): Update a call to fold_builtin.
 601         * gimplify.c (gimplify_call_expr): Likewise.
 602         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
 603         * tree.h: Update the prototype of fold_builtin.
 604
 605 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 606
 607         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
 608         * rtlhooks.c (gen_lowpart_no_emit_general): New.
 609         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
 610         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
 611         * simplify-rtx.c (simplify_binary_operation_1): Use it.
 612
 613 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 614
 615         * builtins.c (fold_builtin_1): Take decomposed arguments of
 616         CALL_EXPR.
 617         (fold_builtin): Update a call to fold_builtin_1.
 618
 619 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
 620
 621         PR other/20564
 622         * gcov.c (output_lines): Only output function block summary when
 623         outputting branch information.
 624         * doc/gcov.texi: Document format of preamble and additional block
 625         information lines.
 626
 627 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 628
 629         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
 630         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
 631         the defaults false if BITS_PER_UNIT != 8.
 632         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
 633         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
 634         than BITS_PER_UNIT != 8.
 635         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
 636         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
 637         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
 638         #undefs.
 639         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
 640         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
 641
 642 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 643
 644         PR middle-end/20539
 645         * fold-const.c (fold_binary): Fix type mismatch between
 646         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
 647         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
 648         for non-truth-valued expressions.
 649
 650         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
 651         and FUNCTION_DECL in the main switch.
 652         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
 653         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
 654         we also need to convert their operands to match.
 655         <TRUTH_NOT_EXPR>: Likewise.
 656
 657 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
 658
 659         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
 660         diagnostic without checking whether an lvalue.
 661         * c-common.h (lvalue_p): Remove.
 662         (enum lvalue_use): Update comment.
 663         (lvalue_or_else): Replace by lvalue_error.
 664         * c-typeck.c (lvalue_p): Make static.
 665         (lvalue_or_else): New.  Call lvalue_error.
 666
 667 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
 668
 669         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
 670         (function_arg_advance): Use rs6000_parm_start.
 671         (function_arg, rs6000_arg_partial_bytes): Likewise.
 672
 673 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 674
 675         * c-common.c (check_case_value): Adjust comment about stripping
 676         NOPs.
 677         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
 678         * c-typeck.c (default_conversion, convert_arguments,
 679         build_modify_expr, convert_for_assignment, store_init_value,
 680         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
 681         manually.  Remove inaccurate comments.
 682
 683 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 684             Joseph S. Myers  <joseph@codesourcery.com>
 685
 686         * varasm.c (do_assemble_alias): Restore comment describing function.
 687         Annotate the target parameter as potentially unused.
 688
 689 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 690
 691         PR target/18551
 692         * config/avr/avr.c (avr_output_function_prologue): Do not use
 693         current_function_name() in a label, use a local label instead.
 694
 695 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
 696
 697         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
 698         flag_finite_math_only, not flag_unsafe_math_optimizations.
 699
 700 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 701
 702         * builtins.c (fold_builtin_1): Update a call to
 703         targetm.fold_builtin.
 704         * hooks.c (hook_tree_tree_bool_null): Rename to
 705         hook_tree_tree_tree_bool_null.  Take one more argument of type
 706         tree.
 707         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
 708         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
 709         hook_tree_tree_tree_bool_null.
 710         * target.h (gcc_target): Update the prototype of fold_builtin.
 711         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
 712         arguments of CALL_EXPR.
 713         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
 714         new prototype.
 715
 716 2005-03-20  Jan Hubicka  <jh@suse.cz>
 717
 718         * cgraph.h (cgraph_node): Add prev_clone pointer.
 719         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
 720         (cgraph_clone_node): Produce doubly linked chain.
 721
 722 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 723
 724         * c-common.c (handle_aligned_attribute, check_function_sentinel,
 725         get_nonnull_operand, handle_sentinel_attribute,
 726         check_function_arguments_recurse): Do not strip NOPS from
 727         INTEGER_CSTs.
 728         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
 729         Likewise.
 730         * c-format.c (get_constant): Likewise.
 731         * c-parser.c (c_parser_postfix_expression): Likewise.
 732         * c-typeck.c (set_init_index): Likewise.
 733         (convert_arguments): Don't check for NOP_EXPR containing integer
 734         constant.
 735
 736 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 737
 738         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
 739         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
 740         Take decomposed arguments of CALL_EXPR.
 741         (fold_builtin_1): Update calls to the functions mentioned
 742         above.
 743
 744 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 745
 746         * c-decl.c (check_bitfield_type_and_width): Require bit-field
 747         width to have integer type.
 748         (build_enumerator): Require enumerator value to have integer type.
 749
 750 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 751
 752         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
 753         to __builtin_inff.
 754
 755 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 756
 757         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
 758         std=iso9899:199x): Correct descriptions.
 759
 760 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 761
 762         * config.gcc: Consistently use solaris2.1[0-9]* instead of
 763         solaris2.1[0-9].
 764
 765 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
 766
 767         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
 768         of CALL_EXPR.
 769         (expand_builtin_memcpy, fold_builtin_1): Update calls to
 770         fold_builtin_memcpy.
 771
 772         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
 773         arguments of CALL_EXPR.
 774         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
 775         fold_builtin_found, fold_builtin_1): Update calls to
 776         fold_trunc_transparent_mathfn.
 777
 778 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 779
 780         PR middle-end/20493
 781         * fold-const.c (fold_widened_comparison): Don't optimize casts of
 782         function pointers on targets that require function pointer
 783         canonicalization.
 784         (fold_sign_changed_comparison): Likewise.
 785
 786 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 787
 788         * combine.c (try_combine): When changing the mode of a hard reg, make
 789         sure that doing so is valid.
 790
 791 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
 792
 793         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
 794         (TARGET_HANDLE_OPTION): Override default.
 795         (avr_handle_option): New function.
 796         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
 797         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
 798         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
 799         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
 800         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
 801         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
 802         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
 803         (TARGET_OPTIONS): Delete.
 804         * config/avr/avr.opt: New file.
 805
 806 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 807
 808         * config/m32r/m32r-protos.h: Remove the prototypes for
 809         call_address_operand, symbolic_operand, seth_add3_operand,
 810         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 811         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 812         two_insn_const_operand, move_src_operand,
 813         move_double_src_operand, move_dest_operand,
 814         eqne_comparison_operator, signed_comparison_operator,
 815         large_insn_p, conditional_move_operand, carry_compare_operand,
 816         m32r_block_immediate_operand, extend_operand,
 817         reg_or_eq_int16_operand, int8_operand, and
 818         reg_or_zero_operand.
 819         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 820         seth_add3_operand, int8_operand, cmp_int16_operand,
 821         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 822         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 823         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 824         move_double_src_operand, move_dest_operand,
 825         eqne_comparison_operator, signed_comparison_operator,
 826         extend_operand, small_insn_p, large_insn_p,
 827         conditional_move_operand, carry_compare_operand,
 828         m32r_block_immediate_operand): Move to predicates.md.
 829         (MAX_MOVE_BYTES): Move to m32r.h.
 830         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 831         * config/m32r/m32r.md: Include predicates.md.
 832         * config/m32r/predicates.md: New.
 833
 834 2005-03-18  James E Wilson  <wilson@specifixinc.com>
 835
 836         PR c++/19769
 837         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
 838         origin.
 839
 840 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 841
 842         * config/mn10300/mn10300-protos.h: Remove the prototypes for
 843         call_address_operand, const_8bit_operand.
 844         * config/mn10300/mn10300.c (call_address_operand,
 845         const_8bit_operand, const_1f_operand): Move to predicates.md.
 846         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
 847         * config/mn10300/mn10300.md: Include predicates.md.
 848         * config/mn10300/predicates.md: New.
 849
 850 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
 851
 852         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
 853         declarations in diagnostics and %E for identifiers, not %s.
 854
 855 2005-03-18  Jan Hubicka  <jh@suse.cz>
 856             Dale Johannesen  <dalej@apple.com>
 857
 858         * basic-block.h (scale_bbs_frequencies_int,
 859         scale_bbs_frequencies_gcov_type): Declare.
 860         * cfg.c (RDIV): New macro.
 861         (update_bb_frequency_for_threading): Fix.
 862         * basic-block.h (scale_bbs_frequencies_int,
 863         scale_bbs_frequencies_gcov_type): New.
 864         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
 865         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
 866         scale_bbs_frequencies_int.
 867         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
 868
 869 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 870
 871         * config/m32r/m32r-protos.h: Remove the prototypes for
 872         call_address_operand, symbolic_operand, seth_add3_operand,
 873         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 874         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 875         two_insn_const_operand, move_src_operand,
 876         move_double_src_operand, move_dest_operand,
 877         eqne_comparison_operator, signed_comparison_operator,
 878         large_insn_p, conditional_move_operand, carry_compare_operand,
 879         m32r_block_immediate_operand, extend_operand,
 880         reg_or_eq_int16_operand, int8_operand, and
 881         reg_or_zero_operand.
 882         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 883         seth_add3_operand, int8_operand, cmp_int16_operand,
 884         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 885         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 886         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 887         move_double_src_operand, move_dest_operand,
 888         eqne_comparison_operator, signed_comparison_operator,
 889         extend_operand, small_insn_p, large_insn_p,
 890         conditional_move_operand, carry_compare_operand,
 891         m32r_block_immediate_operand): Move to predicates.md.
 892         (MAX_MOVE_BYTES): Move to m32r.h.
 893         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 894         * config/m32r/m32r.md: Include predicates.md.
 895         * config/m32r/predicates.md: New.
 896
 897         * config/pa/pa-protos.h: Add prototypes for magic_milli and
 898         shadd_constant_p.
 899         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
 900         symbolic_operand, symbolic_memory_operand,
 901         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
 902         indexed_memory_operand, move_dest_operand, move_src_operand,
 903         prefetch_cc_operand, prefetch_nocc_operand,
 904         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
 905         arith_operand, arith11_operand, pre_cint_operand,
 906         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
 907         ireg_operand, int5_operand, uint5_operand, int11_operand,
 908         uint32_operand, arith5_operand, and_operand, ior_operand,
 909         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
 910         pc_or_label_operand, div_operand, plus_xor_ior_operator,
 911         shadd_operand, movb_comparison_operator,
 912         cmpib_comparison_operator): Move to predicates.md.
 913         (magic_milli, shadd_constant_p): Make it extern.
 914         * config/pa/pa.h (PREDICATE_CODES): Remove.
 915         * config/pa/pa.md: Include predicates.md.
 916         * config/pa/predicates.md: New.
 917
 918         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
 919         predicate.
 920
 921 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 922
 923         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
 924         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
 925         config/alpha/freebsd.h, config/alpha/linux.h,
 926         config/alpha/netbsd.h, config/alpha/osf5.h,
 927         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
 928         config/h8300/h8300-protos.h, config/h8300/h8300.c,
 929         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
 930         doc/cppopts.texi: Update copyright.
 931
 932 2005-03-18  Jan Hubicka  <jh@suse.cz>
 933
 934         PR middle-end/20225
 935         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
 936         too late.
 937         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
 938         called too late.
 939
 940 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 941
 942         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
 943         VEC_safe_push.
 944
 945 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
 946
 947         * combine.c (gen_binary): Remove.
 948         (known_cond, simplify_shift_const, find_split_point,
 949         combine_simplify_rtx, simplify_if_then_else, simplify_set,
 950         simplify_logical, expand_field_assignment, extract_left_shift,
 951         force_to_mode, if_then_else_cond, apply_distributive_law,
 952         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
 953         simplify_comparison, reversed_comparison): Replace with
 954         simplify_gen_binary, simplify_gen_relational or
 955         distribute_and_simplify_rtx.
 956         (distribute_and_simplify_rtx): New function.
 957
 958 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
 959             Paolo Bonzini  <gcc.gnu.org>
 960
 961         * calls.c (setjmp_call_p, special_function_p): Update comments
 962         at the head of the functions.
 963
 964 2005-03-18  Jan Hubicka  <jh@suse.cz>
 965
 966         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
 967
 968         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
 969         function body should be released; do not proactively release function
 970         bodies in non-unit-at-a-time mode.
 971
 972 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
 973
 974         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
 975         mno-fp-ret-in-387 multilib variants.
 976
 977 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
 978
 979         * common.opt (m): Remove.
 980         * opts.c (handle_option): Pass 'm' options to set_target_switch if
 981         table lookup fails.
 982         (common_handle_option): Remove OPT_m case.
 983
 984 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 985
 986         * builtins.c (fold_builtin_bitop): Take decomposed arguments
 987         of CALL_EXPR.
 988         (fold_builtin_1): Update a call to fold_builtin_bitop.
 989
 990         * builtins.c (fold_builtin_signbit): Take decomposed arguments
 991         of CALL_EXPR.
 992         (fold_builtin_1): Update a call to fold_builtin_signbit.
 993
 994 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
 995
 996         PR tree-optimization/20474
 997         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
 998         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
 999
1000 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1001
1002         * config/h8300/h8300-protos.h: Remove prototypes for
1003         general_operand_src, general_operand_dst, single_one_operand,
1004         single_zero_operand, call_insn_operand,
1005         two_insn_adds_subs_operand, small_call_insn_operand,
1006         jump_address_operand, bit_operand, bit_memory_operand,
1007         stack_pointer_operand, const_int_gt_2_operand,
1008         const_int_ge_8_operand, const_int_qi_operand,
1009         const_int_hi_operand, incdec_operand, bit_operator,
1010         nshift_operator, eqne_operator, gtle_operator,
1011         gtuleu_operator, iorxor_operator.
1012         Add prototypes for h8sx_shift_type h8sx_classify_shift and
1013         h8300_ldm_stm_parallel.
1014         * config/h8300/h8300.c (h8sx_shift_type,): Move to
1015         h8300-protos.h.
1016         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1017         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1018         (h8300_ldm_stm_parallel): Make it extern.
1019         (h8300_ldm_parallel, h8300_stm_parallel,
1020         h8300_return_parallel, general_operand_src,
1021         general_operand_dst, h8300_dst_operand, h8300_src_operand,
1022         nibble_operand, reg_or_nibble_operand, single_one_operand,
1023         single_zero_operand, call_insn_operand,
1024         two_insn_adds_subs_operand, small_call_insn_operand,
1025         jump_address_operand, bit_operand, bit_memory_operand,
1026         stack_pointer_operand, const_int_gt_2_operand,
1027         const_int_ge_8_operand, const_int_qi_operand,
1028         const_int_hi_operand, incdec_operand, eqne_operator,
1029         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1030         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1031         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1032         nshift_operator): Move to predicates.md.
1033         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1034         * config/h8300/h8300.md: Include predicates.md.
1035         * config/h8300/predicates.md: New.
1036
1037 2005-03-17  Richard Henderson  <rth@redhat.com>
1038
1039         * config.gcc (ia64*-*-hpux*): Add extra_options.
1040         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1041         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1042         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1043         (ia64_tls_size_string, ia64_tune_string): Remove.
1044         (ia64_tune): Init to PROCESSOR_ITANIUM2.
1045         (TARGET_DEFAULT_TARGET_FLAGS): New.
1046         (TARGET_HANDLE_OPTION): New.
1047         (ia64_override_options): Move options parsing ...
1048         (ia64_handle_option): ... here.  New.
1049         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1050         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1051         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1052         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1053         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1054         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1055         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1056         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1057         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1058         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1059         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1060         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1061         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1062         TARGET_EARLY_STOP_BITS): Remove.
1063         (TARGET_ILP32): Default false.
1064         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1065         (enum ia64_inline_type): New.
1066         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1067         * config/ia64/ia64.md: Update for new definitions of
1068         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1069         * config/ia64/ia64.opt: New file.
1070         * config/ia64/ilp32.opt: New file.
1071
1072 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1073
1074         PR target/18380
1075         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1076
1077 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1078
1079         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1080         instead of MASK_H8300S.
1081         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1082         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1083         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1084         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1085         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1086         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1087         TARGET_SWITCHES): Remove.
1088         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1089         TARGET_H8300SX.
1090         * config/h8300/h8300.opt: New.
1091
1092         * config/alpha/alpha.opt, config/arc/arc.opt,
1093         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1094         notices.
1095
1096 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1097
1098         * gmon.c: Remove.
1099
1100 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1101
1102         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1103         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1104         (TARGET_HANDLE_OPTION): Override default.
1105         (arc_handle_option): New function.
1106         (arc_init): Remove code to set arch_cpu_string.
1107         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1108         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1109         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1110         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1111         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1112         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1113         (arc_rodata_string, TARGET_OPTIONS): Delete.
1114         * config/arc/arc.opt: New file.
1115
1116 2005-03-17  Richard Henderson  <rth@redhat.com>
1117
1118         * doc/extend.texi (Weak Pragmas): New section.
1119         (attribute alias): Clarify that target must be in the same
1120         translation unit.
1121
1122 2005-03-17  Richard Henderson  <rth@redhat.com>
1123
1124         * config/alpha/alpha.opt: New file.
1125         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1126         of alpha_cpu.
1127         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1128         alpha_fprm_string, alpha_fptm_string): Make static.
1129         (alpha_tls_size_string): Remove.
1130         (alpha_handle_option): New.
1131         (override_options): Update for alpha_cpu/alpha_tune split.
1132         (alpha_file_start): Likewise.
1133         (TARGET_DEFAULT_TARGET_FLAGS): New.
1134         (TARGET_HANDLE_OPTION): New.
1135         * config/alpha/alpha.h (alpha_tune): Declare.
1136         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1137         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1138         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1139         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1140         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1141         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1142         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1143         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1144         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1145         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1146         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1147         (TARGET_DEFAULT): Remove MASK_FP.
1148         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1149         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1150         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1151         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1152         alpha_tls_size_string): Remove.
1153         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1154         (attribute tune): Rename from attribute cpu.
1155         * config/alpha/ev4.md: Update to match.
1156         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1157         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1158         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1159         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1160         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1161         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1162
1163 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1164
1165         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1166         and return without creating new state if before_nops_num is nonzero.
1167         * config/ia64/ia64.md (first_insn): New attribute.
1168         (alloc): Set it to yes.
1169
1170 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1171
1172         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1173         STMT_VINFO_SUBVARS to NULL.
1174         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1175
1176 2005-03-16 Dale Johannesen  <dalej@apple.com>
1177
1178         * rtlanal.c (find_first_parameter_load):  Rewrite to
1179         return actual first param load or the call if none,
1180         instead of first in block, when not all loads exist.
1181
1182 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1183
1184         * optabs.c (expand_copysign_absneg): Make static.
1185         * optabs.h (expand_copysign_absneg): Delete prototype.
1186         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1187
1188 2005-03-16  Richard Henderson  <rth@redhat.com>
1189
1190         PR middle-end/15700
1191         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1192         (alias_pairs): Rename from output_defs.
1193         (find_decl_and_mark_needed): Split out from assemble_alias.
1194         (do_assemble_alias): New.
1195         (assemble_output_def): Remove.
1196         (finish_aliases_1, finish_aliases_2): New.
1197         (process_pending_assemble_output_defs): Remove.
1198         (assemble_alias): Defer aliases for which we don't yet have a
1199         non-external decl for the target symbol.
1200         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1201         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1202         * toplev.c (compile_file): Use finish_aliases_2 instead of
1203         process_pending_assemble_output_defs.
1204         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1205         (process_pending_assemble_output_defs): Remove.
1206
1207 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1208
1209         Fix PR tree-optimization/20489
1210
1211         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1212         for empty structures.
1213
1214 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1215
1216         Fix PR tree-optimization/20490
1217
1218         * tree-ssa-pre.c (create_expression_by_pieces): Use
1219         force_gimple_operand on result of fold.
1220
1221 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1222
1223         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1224         of closing parenthesis.
1225
1226 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1227
1228         * builtins.c (expand_movstr): Update a call to
1229         fold_builtin_strcpy.
1230         (expand_builtin_strncpy): Update a call to
1231         fold_builtin_strncpy.
1232         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1233         arguments of CALL_EXPR.
1234         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1235         fold_builtin_strncpy.
1236         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1237         * tree.h: Update the prototypes of fold_builtin_strcpy and
1238         fold_builtin_strncpy.
1239
1240 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1241             Dorit Naishlos  <dorit@il.ibm.com>
1242
1243         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1244         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1245         error.
1246
1247 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1248
1249         * tree-inline.c (walk_type_fields, walk_tree,
1250         walk_tree_without_duplicates): Move from here...
1251         * tree.c: ...to here.
1252
1253 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1254
1255         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1256         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1257         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1258         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1259         (version): Define using $(BASEVER_c).
1260         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1261         version.c.
1262         (version.o): Depend on version files; add custom generation command.
1263         (prefix.o): Define BASEVER on command line.
1264         (s-iov): Depend on version files; adjust command.
1265         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1266         Add gcc-vers.texi.
1267         (gcc-vers.texi): New rule.
1268         (doc/%.info, doc/%.dvi): Add -I . to command line.
1269         (doc/gccinstall.dvi): Likewise.
1270         (PACKAGE): Delete.  All uses replaced with "gcc".
1271         * aclocal.m4: Do not include gcc-version.m4.
1272         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1273         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1274         Set is_release based on contents of DEV-PHASE.
1275         Set gcc_version based on contents of BASE-VER.
1276         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1277         * config.in, configure: Regenerate.
1278         * gccbug.in: Determine version of GCC in use at runtime.
1279         * gcov-iov.c: Get version number and development phase from
1280         command line, not by including version.c.
1281         * intl.c: Replace all uses of PACKAGE with "gcc".
1282         * libada-mk.in: Delete unused "gcc_version" variable.
1283         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1284         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1285         commentary to match.
1286         (version_string): Put together from pieces.
1287         * config/alpha/x-vms: Do not use $(gcc_version).
1288         * config/i386/t-nwld: Likewise.
1289         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1290         version-GCC and DEVELOPMENT.
1291
1292 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1293
1294         PR tree-optimization/17454
1295         * tree.c (tree_size): Add case for TREE_BINFO.
1296         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1297         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1298
1299 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1300
1301         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1302         op1 whilst expanding the signed widenening multiply variant.
1303
1304 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1305
1306         * toplev.c (display_target_options): Avoid unused variable warning if
1307         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1308         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1309         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1310         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1311         (mips_isa_info): New variable.
1312         (mips_parse_cpu): Remove the first argument and leave the caller
1313         to report errors.
1314         (TARGET_HANDLE_OPTION): Override default.
1315         (mips_handle_option): New function.  Move option validation code from...
1316         (override_options): ...here.  Update calls to mips_parse_cpu.
1317         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1318         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1319         (SUBTARGET_TARGET_OPTIONS): Delete.
1320         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1321         (mno-flush-func, mtune=): New options.
1322
1323 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1324             Richard Henderson  <rth@redhat.com>
1325
1326         * real.c (c4x_single_format, c4x_extended_format): Provide values
1327         for signbit_ro for c4x's single and extended floating point formats.
1328         * optabs.c (expand_copysign): Use the floating point format's
1329         signbit_ro for expanding via expand_copysign_absneg, and it's
1330         signbit_rw field for expanding via expand_copysign_bit.
1331
1332 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1333
1334         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1335         known_alignment_for_access_p.
1336         (known_alignment_for_access_p): New.
1337         (do_peeling_for_alignment): Field made int instead of bool and renamed
1338         to peeling_for_alignment.
1339         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1340         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1341         functionality used to be in vect_analyze_operations.
1342         (vect_analyze_operations): Code to determine vectorization factor was
1343         moved to vect_determine_vectorization_factor.
1344         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1345         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1346         factor.
1347         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1348         be part of vect_analyze_operations).
1349         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1350         creating the guard condition, as the number of iterations may be
1351         constant.
1352         (slpeel_tree_peel_loop_to_edge): Use new name of
1353         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1354         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1355         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1356         (vect_do_peeling_for_alignment): Use fold.
1357         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1358
1359         (vect_update_inits_of_dr): Renamed to
1360         vect_update_init_of_dr.
1361         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1362         (vectorizable_store): Fix assertion to use == instead of =.
1363
1364 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1365
1366         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1367         call_used_regs for wCG registers.
1368
1369 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1370
1371         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1372         for non-offsettable memory references to cope with outstanding reload
1373         replacements, take 2.
1374
1375 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1376
1377         PR target/18668
1378         * config/i386/i386.h (x86_fisttp): New.
1379         (TARGET_FISTTP): New macro.
1380         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1381         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1382         instruction when fisttp flag is set.
1383         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1384
1385         * config/i386/i386.md (type attribute): Add fisttp.
1386         (unit attribute): Set to i387 for fisttp type.
1387         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1388         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1389         TARGET_FISTTP.
1390         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1391         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1392         macros.
1393         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1394         patterns for TARGET_FISTTP.  Enable patterns for
1395         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1396         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1397         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1398         implement fisttp x87 insn.
1399         (fix_trunc*_i387_fisttp splitters): New patterns.
1400         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1401         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1402         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1403         clobber.
1404         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1405         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1406         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1407         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1408         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1409         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1410         Disable patterns for TARGET_FISTTP.
1411         (fix_trunc*_i387 splitters): Implement usign mode macros.
1412         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1413         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1414         (fix_trunx*_sse peephole2s): Implement using mode macros.
1415
1416 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1417
1418         PR rtl-optimization/20291
1419         * combine.c (try_combine): If splitting fails, re-try with
1420         original combined pattern, i.e. before clobber stripping.
1421
1422 2005-03-14  Eric Christopher  <echristo@redhat.com>
1423
1424         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1425         STACK_GROWS_DOWNWARD.
1426
1427 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1428
1429         * real.h (struct real_format): Split the signbit field into two
1430         two fields, signbit_ro and signbit_rw.
1431         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1432         mips_double_format, ieee_extended_motorola_format,
1433         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1434         ieee_extended_intel_128_format, ibm_extended_format,
1435         mips_extended_format, ieee_quad_format, mips_quad_format,
1436         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1437         i370_double_format, c4x_single_format, c4x_extended_format,
1438         real_internal_format): Update initializers for new field.
1439         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1440         real_format structure.
1441         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1442         field of the real_format structure.
1443
1444 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1445
1446         Fix PR tree-optimization/20458
1447
1448         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1449         DECL_EXTERNAL on STRUCT_FIELD tags.
1450         (clear_call_clobbered): Ditto.
1451         * tree-ssa-operands.c (note_addressable): Make sure the original
1452         variable doesn't slip into the addressable list if we have
1453         subvars.
1454         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1455         tags too.
1456
1457 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1458
1459         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1460         (-fwide-exec-charset): Likewise.
1461         (-finput-charset): Likewise.
1462         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1463         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1464         * c.opt (Wnormalized): New.
1465
1466 2005-03-14  Devang Patel  <dpatel@apple.com>
1467
1468         * doc/invoke.texi: Add reference to Visibility document.
1469
1470 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1471
1472         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1473         MASK_SPLIT_ADDRESSES.
1474         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1475         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1476         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1477         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1478         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1479         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1480         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1481         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1482         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1483         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1484         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1485         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1486         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1487         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1488         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1489         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1490         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1491         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1492         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1493         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1494         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1495         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1496         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1497         (TARGET_EXPLICIT_RELOCS): Delete.
1498         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1499         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1500         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1501         (override_options): Set MASK_LONG64 if -mint64 is given and no
1502         -mlongXX option is.  Complain about -mint64 -mlong32.
1503         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1504         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1505         * config/mips/mips.opt: New file.
1506
1507 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1508
1509         * config.gcc (extra_options): New variable for listing option files.
1510         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1511         * configure.ac (extra_opt_files): New AC_SUBST variable.
1512         (tm_file_list, tm_include_list): Include options.h first.
1513         * configure: Regenerate.
1514         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1515         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1516         (s-options-h): New rule.
1517         (options.h): Depend on it.
1518         (TEXI_GCCINT_FILES): Add options.texi.
1519         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1520         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1521         * target.h (gcc_target): Add default_target_flags and handle_option.
1522         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1523         (TARGET_HANDLE_OPTION): New macros.
1524         (TARGET_INITIALIZER): Include them.
1525         * opt-functions.awk (opt_args, nth_arg): New functions.
1526         (switch_flags): Handle the "Target" flag.
1527         (var_args): Delete.
1528         (var_name): Use opt_args and nth_arg.
1529         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1530         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1531         macros for the "Mask" and "InverseMask" options.
1532         * opts.h (cl_var_cond): New enum.
1533         (cl_option): Replace the "has_set_value" and "set_value" fields with
1534         "var_cond" and "var_value".
1535         (CL_TARGET): New macro.
1536         (option_enabled, print_filtered_help): Declare.
1537         (decode_options): Move definition.
1538         * opts.c (handle_option): Search for the original option before
1539         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1540         var_cond and var_value fields.  Use targetm.handle_option to handle
1541         target options.
1542         (decode_options): Set target_flags to targetm.default_target_flags.
1543         (print_filtered_help): Make global.  Handle CL_TARGET.
1544         (option_enabled): New function.
1545         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1546         (display_target_options, set_target_switch, print_switch_values)
1547         (default_pch_valid_p): Guard uses of target_switches with
1548         #ifdef TARGET_SWITCHES.  Also...
1549         (display_target_options): Display the CL_TARGET entries in cl_options.
1550         (set_target_option): Don't complain about the "" option when
1551         TARGET_SWITCHES is undefined.
1552         (print_switch_values): Use option_enabled.
1553         (default_pch_valid_p): Check cl_options[] when looking for something
1554         that has changed the value of target_flags.
1555         * c.opt: Remove documentation from top of file.
1556         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1557         * doc/sourecebuild.texi: Refer to the new options documentation
1558         instead of c.opt.  Document machine-specific .opt files.
1559         * doc/tm.texi (target_flags): Say that this variable is declared
1560         by options.h.
1561         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1562         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1563         an alternative.
1564         * doc/options.texi: New file.
1565
1566 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1567
1568         PR middle-end/18628
1569         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1570         register.
1571
1572 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1573
1574         PR c++/20280
1575         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1576         temporary variable of pointer type if an lvalues is required.
1577         (gimplify_modify_expr_rhs): Request an rvalue from it.
1578         (gimplify_expr): Pass fallback on.
1579
1580 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1581
1582         * cfgbuild.c: Update comments.
1583
1584 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1585
1586         PR rtl-optimization/17236
1587         * optabs.c (expand_doubleword_mult): New helper function split out
1588         from expand_binop.  Permute the order in which instructions are
1589         emitted to minimize the number of simultaneously live registers.
1590         (expand_binop): Call expand_doubleword_mult to synthesize a double
1591         word multiplication.
1592
1593 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1594
1595         * basic-block.h: Update the prototypes of cached_make_edge and
1596         rtl_make_eh_edge.
1597         * cfg.c (cached_make_edge): Take edge_cache representing one
1598         row of the adjacency matrix of edges.
1599         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1600         (make_edges): Initialize edge_cache to represent one row of
1601         the adjacency matrix of edges.
1602
1603 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1604
1605         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1606         New functions.
1607         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1608         Remove unused removed_phis variable.
1609         (conditional_replacement): Use build1/build2.
1610         (abs_replacement): Use last_and_only_stmt and build1/build2.
1611
1612 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1613
1614         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1615         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1616         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1617         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1618         * c-common.c (handle_novops_attribute): New function.
1619         (c_common_attribute_table): Add "no vops" entry.
1620         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1621         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1622         * tree-ssa-operands.c (get_call_expr_operands): Do not
1623         create virtual operands for calls with ECF_NOVOPS flag.
1624         * tree.h (DECL_IS_NOVOPS): New macro.
1625         (struct tree_decl): Add novops_flag.
1626         (ECF_NOVOPS): New constant.
1627
1628 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1629
1630         PR target/17688
1631         * config/i386/i386.c (x86_use_himode_fiop): New.
1632         (x86_use_simode_fiop): Rename from x86_use_fiop.
1633         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1634         (TARGET_USE_HIMODE_FIOP): New.
1635         (x86_use_simode_fiop): Rename from x86_use_fiop.
1636         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1637
1638         * config/i386/i386.md (X87MODEI12): New mode macro define.
1639         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1640         to implement x87 FP compare with HImode input operands.
1641         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1642         Use X87MODEI12 mode macro to handle HImode input operands.
1643         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1644         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1645         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1646         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1647         macro to implement x87 operators with HImode input operands.
1648         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1649         input operands.
1650
1651 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1652
1653         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1654         integer_zerop.
1655         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1656         constants invariant.
1657
1658 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1659
1660         * basic-block.h (BB_VISITED): Removed.
1661         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1662
1663 2005-03-14  Falk Hueffner  <falk@debian.org>
1664
1665         PR bootstrap/20424
1666         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1667
1668 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1669
1670         * ggc-zone.c: Fix comment typos.
1671
1672         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1673         stringpool.c, config/mips/mips-protos.h: Update copyright.
1674
1675 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1676
1677         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1678         throughout with its typedef, "rtx".
1679         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1680         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1681         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1682         regs in comment to match code.
1683
1684 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1685
1686         * except.c (check_handled): Make it static.
1687         * except.h: Remove the corresponding prototype.
1688
1689         * function.c (get_func_frame_size): Make it static.
1690         * function.h: Remove the corresponding type.
1691
1692         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1693         Make them static.
1694         * hard-reg-set.h: Remove the corresponding declarations.
1695
1696         * tree-cfg.c (verify_stmts): Check that
1697         bb_for_stmt (stmt) == bb for every PHI node and statement.
1698
1699 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1700
1701         * config.gcc: Remove excess indentation.
1702         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1703
1704 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1705
1706         PR middle-end/19331
1707         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1708         * fold-const.c (fold_sign_changed_comparison): Likewise.
1709         (fold_binary): Optimize comparisons against widened operands if
1710         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1711
1712 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1713
1714         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1715         (sparc_override_options): Initialize it.
1716         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1717
1718 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1719
1720         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1721         (reg_or_none500mem_operand): New predicate.
1722         (zero_reg_mem_operand): New predicate.
1723         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1724         to reg_or_none500mem_operand.
1725         (extendsfdf2_fpr): Add MEM alternative.
1726         (extenddftf2_internal): Change operand2 predicate to
1727         zero_reg_mem_operand.
1728
1729 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1730
1731         * ggc-zone.c: Rewritten.
1732
1733         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1734         if there are none.
1735         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1736         * config.in: Regenerated.
1737         * configure: Regenerated.
1738         * gengtype.c (write_types_process_field, write_func_for_structure):
1739         Pass new argument to gt_pch_note_object.
1740         * ggc-common.c (struct ptr_data): Add TYPE.
1741         (gt_pch_note_object): Take TYPE argument and save it.
1742         (call_count): Update call to ggc_pch_count_object.
1743         (call_alloc): Update call to ggc_pch_alloc_object.
1744         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1745         file.
1746         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1747         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1748         (ggc_alloc_zone_stat): Delete.
1749         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1750         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1751         (ggc_pch_alloc_object): Update prototypes.
1752         (garbage_zone): Delete.
1753         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1754         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1755         pointers.
1756         (tree_id_zone): New variable.
1757         (ggc_alloc_cleared_zone): Remove unused.
1758         (ggc_alloc_zone): Define.
1759         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1760         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1761         ggc_alloc_zone_stat.
1762         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1763         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1764         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1765         (make_node_stat): Likewise.  Use tree_id_zone.
1766
1767 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1768             Joseph S. Myers  <joseph@codesourcery.com>
1769
1770         * configure.ac: Check for MIPS TLS.
1771         * configure: Regenerated.
1772         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1773         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1774         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1775         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1776         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1777         (mips_classify_symbol, mips_symbolic_constant_p)
1778         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1779         (mips_tls_operand_p, mips_call_tls_get_addr)
1780         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1781         (mips_tls_symbol_ref_1): New functions.
1782         (mips_legitimize_address, mips_legitimize_const_move): Call
1783         mips_legitimize_tls_address.
1784         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1785         for MIPS16.
1786         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1787         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1788         (mips_char_to_class): Document V1_REG.
1789         (HAVE_AS_TLS): Provide default.
1790         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1791         constants.
1792         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1793         !TARGET_ABICALLS.
1794         (tls_get_tp_<mode>): New instruction.
1795
1796 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1797
1798         * configure.ac: Update checks for target tools.
1799         * configure: Regenerated.
1800
1801 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1802
1803         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1804
1805 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1806
1807         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1808         more classes of DImode multiplication by constant.  Allow both
1809         multiplication by small negative constants (by performing a
1810         multiplication by a positive constant and negating the result) and
1811         multiplications by large powers of two, by using a left shift.
1812
1813 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1814
1815         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1816         of basic blocks into work_stack.
1817
1818         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1819         config/mips/vr.h: Update copyright.
1820
1821         * c-decl.c (c_init_decl_processing): Remove useless calls to
1822         build_function_type.
1823
1824         * builtins.c (fold_trunc_transparent_mathfn,
1825         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1826         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1827         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1828         fold_builtin_strcpy, fold_builtin_strncpy,
1829         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1830         TREE_TYPE (exp).
1831
1832         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1833         before_call.
1834
1835         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1836         variable determinant.
1837
1838         * tree-cfg.c (group_case_labels): Remove local variable type.
1839
1840         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1841         variable ann.
1842
1843         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1844         result.
1845
1846 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1847
1848         PR target/18251
1849         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1850         (*movmemqi_insn): Delete.
1851         (*movmemhi): Delete.
1852
1853 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1854
1855         * builtins.c (fold_builtin_classify): Take decomposed
1856         arguments of CALL_EXPR.
1857         (fold_builtin_1): Update a call to fold_builtin_classify.
1858
1859 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1860
1861         PR c/20402
1862         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1863         through into call to parser_xref_tag after parse error.
1864         (c_parser_struct_declaration): Consistently return NULL_TREE on
1865         error.
1866
1867 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1868
1869         * tree-flow-inline.h (ref_contains_array_ref): New function.
1870         (lookup_subvars_for_var): Ditto.
1871         (get_subvars_for_var): Ditto.
1872         (var_can_have_subvars): Ditto.
1873
1874         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1875         (struct subvar): New type.
1876
1877         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1878
1879         * tree-optimize.c (init_tree_optimization_passes): Call
1880         pass_create_structure_vars.
1881
1882         * tree-ssa-alias.c: Include vec.h.
1883         (init_alias_info): Don't auto-clear call clobbered on struct-field
1884         tags.
1885         (compute_flow_insensitive_aliasing): Handle subvars.
1886         (group_aliases): Handle STRUCT_FIELD aliases.
1887         (setup_pointers_and_addressables): Ditto.
1888         Don't mark variables non-addressable if they still have
1889         addressable subvars.
1890         Also mark subvars addressable when the real variable is marked
1891         addressable.
1892         (add_pointed_to_var): Try to prune the pointed-to set by only
1893         pointing to subvars when possible.
1894         Otherwise, make sure we set addresses_needed and pt_vars to
1895         properly include subvars.
1896         (bitpos_of_field): New function.
1897         (push_fields_onto_fieldstack): Ditto.
1898         (get_or_create_used_part_for): Ditto.
1899         (create_overlap_variables_for): Ditto.
1900         (find_used_portions): Ditto.
1901         (create_structure_vars): Ditto.
1902         (pass_create_structure_vars): New structure.
1903
1904         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1905         (get_expr_operands): Handle subvars.  Also try to turn
1906         COMPONENT_REF accesses into must-defs now that we can accurately
1907         portray it.
1908         (note_addressable): Try to only mark as addressable those subvars
1909         we know a COMPONENT_REF touches.
1910         (overlap_subvar): New function.
1911
1912         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1913         Handle subvar storing.
1914         (vect_address_analysis): Update caller of vect_object_analysis.
1915
1916         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1917
1918         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1919         (STMT_VINFO_SUBVARS): New macro.
1920
1921         * common.opts: add flag_tree_salias.
1922
1923         * opts.c (decode_options): flag_tree_salias defaults to on.
1924
1925         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1926
1927         * doc/tree-ssa.texi: Document structural alias analysis.
1928
1929 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1930
1931         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1932         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1933         * tree-ssa-operands.c (get_expr_operands): Likewise.
1934         (get_expr_operands): Likewise for ERROR_MARK.
1935
1936 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1937
1938         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1939         var.
1940
1941         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1942         removed_phis.
1943
1944         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1945         (mark_operand_necessary): Remove local variable ver.
1946
1947         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1948         variable prefix_len.
1949
1950         * value-prof.c (mod_subtract_transform): Remove local variable
1951         value.
1952
1953         * builtins.c (fold_builtin_exponent): Take decomposed
1954         arguments of CALL_EXPR.
1955         (fold_builtin_1): Update a call to fold_builtin_exponent.
1956
1957         * builtins.c (fold_builtin_logarithm): Take decomposed
1958         arguments of CALL_EXPR.
1959         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1960
1961         * c-decl.c (c_init_decl_processing): Remove local variables
1962         ptr_ftype_void and ptr_ftype_ptr.
1963
1964         * gimplify.c (gimplify_expr): Remove local variables r0 and
1965         r1.
1966
1967         * reg-stack.c (move_for_stack_reg): Remove local variable
1968         push_insn.
1969         (compare_for_stack_reg): Remove local variable flags_user.
1970         (convert_regs_1): Remove local variable deleted.
1971
1972         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1973         variable new_cond.
1974         (combine_blocks): Remove local variables exits and new_e.
1975
1976         * tree-inline.c (expand_call_inline): Remove local variable
1977         decl.
1978
1979         * tree-ssa-live.c (create_ssa_var_map,
1980         calculate_live_on_entry): Remove local variable snn.
1981
1982 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1983
1984         * c-lex.c (c_lex_with_flags): Add parameter to call to
1985         cpp_spell_token.
1986
1987 2005-03-11  Per Bothner  <per@bothner.com>
1988
1989         * c-tree.h (struct c_declarator): New id_loc field.
1990         * c-pragma.h (c_lex_with_flags): Take position reference.
1991         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1992         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1993         (c_lex): Pass dummy location to c_lex_with_flags.
1994         * c-parser.c (c_lex_one_token): Set c_token's location using
1995         c_lex_with_flags, instead of input_location, which might be "ahead".
1996         (c_parser_direct_declarator): Set declarator's id_loc from
1997         c_token's id_loc.
1998         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1999         declarator's id_loc, rather than probably-imprecise input_location.
2000         (build_id_declarator): Initialize c_declarator's id_loc field.
2001
2002 2005-03-11  Roger Sayle  <roger@eyesopen.com>
2003
2004         PR middle-end/20419
2005         * builtins.c (expand_builtin_signbit): Force the signbit's word
2006         into an integer register to avoid SUBREGs of floating point modes.
2007
2008 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2009
2010         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2011         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2012         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2013         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2014
2015 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
2016
2017         PR rtl-optimization/20306
2018         * expr.c (emit_move_complex): Set try_int false if mode is
2019         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
2020         emit_block_move if try_int is true.
2021
2022 2005-03-11  Richard Henderson  <rth@redhat.com>
2023
2024         PR target/20415
2025         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2026         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2027         to match.
2028
2029 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2030
2031         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2032         (TARGET_FIX_VR4130): New macro.
2033         (TARGET_OPTIONS): Add -mfix-vr4130.
2034         (ISA_HAS_MACCHI): New macro.
2035         (ASM_SPEC): Add -mfix-vr4130.
2036         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2037         (override_options): Handle mips_fix_vr4130_string.
2038         (mips_avoid_hazards): Clear all_noreorder_p
2039         if we're working around VR4130 errata and the macc alternatives
2040         are not available.
2041         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2042         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2043         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2044         (MULTILIB_DEFAULTS): Remove leading "march=".
2045         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
2046         if no architecture option is given.
2047         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2048         VR4130 multilibs.
2049         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2050         * doc/invoke.texi: Document -mfix-vr4130.
2051
2052 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2053
2054         * config/mips/mips.c (override_options): Only warn about -mint64
2055         deprecation if TARGET_INT64.
2056
2057 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2058
2059         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2060         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2061         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2062         are non-specific regarding the nonnull parameter positions.
2063         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2064         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2065         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2066         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2067
2068         * builtins.def: Use the non-specific "nonnull" attibute lists.
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): Improve comments.
2074
2075 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2076
2077         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2078         single_pred_edge, single_succ, single_pred): New inline functions.
2079         * bb-reorder.c (rotate_loop, find_traces_1_round,
2080         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2081         duplicate_computed_gotos): Use the single_succ/pred functions.
2082         * cfganal.c (forwarder_block_p): Ditto.
2083         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2084         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2085         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2086         merge_seq_blocks): Ditto.
2087         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2088         * cfglayout.c (fixup_reorder_chain): Ditto.
2089         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2090         canonicalize_loop_headers, verify_loop_structure): Ditto.
2091         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2092         mfb_update_loops, create_preheader, force_single_succ_latches,
2093         create_loop_notes): Ditto.
2094         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2095         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2096         commit_one_edge_insertion, purge_dead_edges,
2097         cfg_layout_can_merge_blocks_p): Ditto.
2098         * except.c (sjlj_emit_function_enter): Ditto.
2099         * flow.c (init_propagate_block_info): Ditto.
2100         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2101         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2102         insert_insn_end_bb): Ditto.
2103         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2104         find_if_case_2): Ditto.
2105         * lambda-code.c (perfect_nestify): Ditto.
2106         * lcm.c (optimize_mode_switching): Ditto.
2107         * loop-doloop.c (doloop_modify): Ditto.
2108         * loop-init.c (loop_optimizer_init): Ditto.
2109         * loop-iv.c (simplify_using_initial_values): Ditto.
2110         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2111         * loop-unswitch.c (unswitch_loop): Ditto.
2112         * modulo-sched.c (generate_prolog_epilog): Ditto.
2113         * predict.c (combine_predictions_for_insn, estimate_probability,
2114         tree_estimate_probability, last_basic_block_p,
2115         estimate_bb_frequencies): Ditto.
2116         * profile.c (branch_prob): Ditto.
2117         * regrename.c (copyprop_hardreg_forward): Ditto.
2118         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2119         * tracer.c (layout_superblocks): Ditto.
2120         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2121         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2122         cleanup_control_expr_graph, disband_implicit_edges,
2123         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2124         tree_verify_flow_info, tree_make_forwarder_block,
2125         tree_forwarder_block_p, remove_forwarder_block,
2126         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2127         * tree-if-conv.c (tree_if_conversion): Ditto.
2128         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2129         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2130         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2131         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2132         copy_loop_headers): Ditto.
2133         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2134         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2135         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2136         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2137         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2138         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2139         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2140         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2141         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2142         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2143         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2144         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2145         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2146         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2147         slpeel_add_loop_guard): Ditto.
2148
2149 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2150
2151         PR tree-optimization/15784
2152         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2153         and -1 - A to ~A.
2154
2155         * stmt.c (expand_case): Don't change index_type.  Convert minval
2156         to the proper type.
2157
2158         PR tree-optimization/20130
2159         * fold-const.c (fold): Fold x * -1 into -x.
2160
2161 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2162
2163         PR rtl-optimization/20331
2164         * rtlanal.c (modified_between_p): Check its address first for MEM.
2165         (modified_in_p): Likewise.
2166
2167 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2168
2169         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2170
2171 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2172
2173         * expr.c (expand_expr_real_1): If possible, use a conditional
2174         move for expanding MIN_EXPR and MAX_EXPR.
2175         Use temp for moving around rtx-en.
2176
2177 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2178
2179         PR rtl-opt/20412
2180         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2181         correct mode.
2182
2183 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2184
2185         * builtins.c (expand_builtin_signbit): Extend to handle floating
2186         point modes wider than the largest integer type, using the
2187         operand_subword_force function to obtain the signbit's word.
2188
2189 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR target/20322
2192         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2193         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2194
2195 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2196
2197         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2198
2199 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2200
2201         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2202         type void.
2203         (perform_edge_inserts): Unconditionally call
2204         free_dominator_info.
2205
2206         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2207
2208 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2209
2210         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2211
2212 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2213
2214         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2215
2216         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2217         gcc_unreachable.
2218         (rtl_register_value_prof_hooks,
2219         tree_value_profile_transformations,
2220         tree_register_value_prof_hooks): Likewise.
2221         * var-tracking.c (stack_adjust_offset_pre_post,
2222         variable_htab_free, variable_union, dataflow_set_different_2,
2223         count_uses, variable_was_changed, set_frame_base_location,
2224         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2225         vt_add_function_parameters): Likewise.
2226         * varasm.c (named_section_real, named_section, make_decl_rtl,
2227         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2228         const_hash_1, compare_constant, copy_constant, force_const_mem,
2229         output_constant_pool_2, output_constant_pool_1, output_constant,
2230         output_constructor, make_decl_one_only, decl_tls_model,
2231         default_no_named_section, default_elf_select_section_1,
2232         default_unique_section_1): Likewise.
2233         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2234         * vmsdbgout.c (addr_const_to_string): Likewise.
2235
2236         PR c++/20375
2237         * function.c (struct assign_parm_data_one): Remove last_named
2238         field.
2239         (assign_parm_find_data_types): Don't determine last_named.
2240         Reorder named_parm determination.
2241         (assign_parms): Only setup varargs on the last non-varadic
2242         parameter.
2243
2244 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2245
2246         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2247         sda base address on medium model.
2248
2249 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2250
2251         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2252         * cfgloop.c (flow_loop_nodes_find): Export.
2253         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2254         Declare.
2255         * cfgloopmanip.c (fix_loop_structure): New function.
2256         * predict.c (predict_loops): Clean up the loops information.
2257         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2258         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2259         loop structure.
2260         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2261         (rewrite_into_loop_closed_ssa): Declaration changed.
2262         * tree-loop-linear.c (linear_transform_loops): Add argument to
2263         rewrite_into_loop_closed_ssa call.
2264         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2265         * tree-ssa-loop-im.c (move_computations): Ditto.
2266         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2267         * tree-vectorizer.c (vectorize_loops): Ditto.
2268         * tree-optimize.c: Include cfgloop.h.
2269         (execute_todo): Choose whether to call cleanup_tree_cfg or
2270         cleanup_tree_cfg_loop.
2271         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2272         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2273         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2274         cleanup_tree_cfg_loop call.
2275         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2276         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2277         work on part of cfg.
2278
2279 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2280
2281         PR inline-asm/20314
2282         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2283         with multiple alternatives.
2284
2285         * stmt.c (parse_output_constraint): Fix a typo.
2286
2287 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2288
2289         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2290         assembly directive instead of deprecated "no-generics".
2291
2292 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2293
2294         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2295         for non-offsettable memory references to cope with outstanding reload
2296         replacements.
2297         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2298         avoid losing outstanding address reloads.
2299         ("reload_outdi", "reload_outdf"): Likewise.
2300
2301 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2302
2303         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2304         code.  Add more cbrt transformations.
2305
2306 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2307
2308         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2309
2310 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2311
2312         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2313         NULL_TREE when a given tree is not simplified.
2314         (fold): Return the original tree when any of the functions
2315         mentioned above NULL_TREE.
2316
2317         * fold-const.c (fold_unary, fold_binary): Take decomposed
2318         arguments, code, type, op0, and op1 in case of fold_binary.
2319         (fold): Update calls to fold_unary and fold_binary.
2320
2321 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2322
2323         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2324         a fndecl and an arglist instead of a CALL_EXPR, exp.
2325
2326 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2327
2328         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2329
2330         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2331
2332         * expr.c (expand_assignment): Remove orig_to_rtx.
2333
2334         * fold-const.c (int_const_binop): Remove no_overflow.
2335
2336         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2337
2338         * loop-iv.c (get_biv_step_1): Remove lhs.
2339
2340         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2341
2342         * real.c (real_nan): Remove neg.
2343
2344         * function.c (thread_prologue_and_epilogue_insns): Remove i
2345         and newinsn.
2346
2347         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2348         tb.
2349
2350         * tree-eh.c (tree_could_trap_p): Remove idx.
2351
2352         * tree-into-ssa.c (ann): Remove ann.
2353
2354         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2355
2356         * tree-sra.c (decide_block_copy): Remove inst_count.
2357
2358         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2359
2360         * tree-ssa-loop-im.c (lhs): Remove.
2361
2362         * cfgbuild.c (state, STATE, SET_STATE,
2363         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2364         make_edges.
2365         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2366         (find_basic_blocks): Set the state of each basic block to
2367         BLOCK_NEW.
2368
2369 2005-03-08  Jeff Law  <law@redhat.com>
2370
2371         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2372         goto results in the removal of edges in the CFG, then we need
2373         to recompute dominators.
2374
2375 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2376
2377         * c-common.c (c_do_switch_warnings): Comment fix.
2378
2379 2005-03-08  Julian Brown  <julian@codesourcery.com>
2380
2381         * Patch from 2005-03-08 reverted for causing regressions and
2382         ppc-darwin bootstrap failure.
2383
2384 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2385
2386         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2387         Define the real function for ppc-darwin.
2388         * c-typeck.c (convert_arguments): Check for target-specific
2389         invalid argument call to unprototyped function.
2390         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2391         New Macro.
2392         * target.h (invalid_arg_for_unprototyped_fn): New field
2393         in struct calls.
2394         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2395         default target hook.
2396         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2397         Declare.
2398
2399 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2400
2401         * c-typeck.c (constructor_stack, constructor_range_stack,
2402         initializer_stack): Make them static.
2403
2404         * cfg.c (rbi_pool): Make it static.
2405
2406         * gimple-low.c (lower_stmt_body): Make it static.
2407         * tree-flow.h: Remove the corresponding prototype.  Don't
2408         declare lower_data.
2409
2410         * sched-deps.c (cache_size): Make it static.
2411
2412         * stor-layout.c (lang_adjust_rli): Make it static.
2413
2414 2005-03-08  Julian Brown  <julian@codesourcery.com>
2415
2416         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2417         from being used for symbols with vague linkage when
2418         HAVE_GAS_COMDAT_GROUP is true.
2419
2420 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2421
2422         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2423         nlabel == JUMP_LABEL (jump).
2424
2425 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2426
2427         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2428         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2429         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2430         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2431
2432 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2433
2434         PR c/14411
2435         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2436         * c-common.c (handle_returns_twice): New function.
2437         (c_common_attribute_table): Declare eturns_twice' attribute.
2438         * doc/extend.texi: Document eturns_twice' attribute.
2439         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2440         (struct tree_decl): Add returns_twice_flag.
2441
2442 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2443
2444         * tree-ssa-phiopt.c: Fix a comment typo.
2445
2446         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2447         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2448         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2449         copyright.
2450
2451 2005-03-08  Richard Henderson  <rth@redhat.com>
2452
2453         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2454         builtin codes with ctzdi2, clzdi2, popcountdi2.
2455         (struct alpha_builtin_def): Add is_const.
2456         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2457         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2458         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2459         on builtins.
2460         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2461         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2462         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2463         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2464         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2465         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2466         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2467         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2468         (TARGET_FOLD_BUILTIN): New.
2469         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2470         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2471         (ffsdi2): Use ctz.
2472         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2473
2474 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2475
2476         PR tree-optimization/20122
2477         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2478         condition of access function instead of base.
2479
2480 2005-03-07  Jeff Law  <law@redhat.com>
2481             Steven Bosscher  <stevenb@suse.de>
2482
2483         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2484         (find_taken_edge): Call find_taken_edge_computed_goto as
2485         appropriate.  Allow any gimple invariant rather than just
2486         INTEGER_CST for VAL.
2487         (cleanup_control_flow): Cleanup a computed goto which has turned
2488         into a simple goto.
2489         (tree_merge_blocks): If block B has any forced labels, move
2490         them to the start of block A.
2491         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2492         computed gotos as well.
2493         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2494         removal of unnecessary computed gotos too.
2495         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2496         updated.
2497
2498 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2499
2500         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2501         Remove trailing spaces.
2502
2503         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2504         unshare_all_trees): Make them static.
2505         * tree-gimple.h: Remove the corresponding prototypes.
2506
2507         * diagnostic.h: Remove unused prototype
2508         debug_output_buffer.
2509         * modulo-sched.c: Remove unused prototype
2510         set_row_column_for_ps.
2511
2512         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2513         replace_phi_edge_with_variable): Remove unused variable i.
2514
2515 2005-03-07  Per Bothner  <per@bothner.com>
2516
2517         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2518
2519 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2520
2521         PR tree-opt/17671
2522         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2523         bbs on the COND_EXPR instead of the PHI_NODEs.
2524         (candidate_bb_for_phi_optimization): Remove.
2525         (replace_phi_with_stmt): Rename to ...
2526         (replace_phi_edge_with_variable): this and change so that we
2527         replace the phi argument instead of removing the PHI.
2528         (conditional_replacement): Change so we deal with PHI with more
2529         than two arguments.
2530         (value_replacement): Likewise.
2531         (abs_replacement): Likewise.
2532
2533 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2534
2535         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2536         output_e500_flip_gt_bit.
2537
2538         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2539         as bit 31.
2540         (rs6000_generate_compare): Fix logic to look at the correct bits.
2541         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2542         Look at GT bit.
2543         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2544         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2545         gen_move_from_CR_gt_bit.
2546
2547         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2548         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2549         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2550
2551         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2552         (E500_CR_IOR_COMPARE): New constant.
2553
2554 2005-03-08  Earl Chew <earl_chew@agilent.com>
2555             David Billinghurst <David.Billinghurst@riotinto.com>
2556
2557         * config/i386/host-cygwin.c: New file to support precompiled
2558         headers on cygwin
2559         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2560         * config.host: Use above files for cygwin host.
2561
2562 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2563
2564         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2565         ordering ops from earlier change.
2566
2567 2005-03-07  Per Bothner  <per@bothner.com>
2568
2569         Various fixes to allow us to again build if --enable-mapped-location:
2570         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2571         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2572         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2573         local variable loc. Change logic appropriately.
2574         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2575         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2576         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2577         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2578         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2579
2580 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2581
2582         PR rtl-optimization/19683
2583         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2584         number of bytes, to smallest_int_for_mode.  Fix arguments to
2585         REG_CANNOT_CHANGE_MODE_P.
2586
2587 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2588
2589         * reorg.c (relax_delay_slots): Check that the jump is
2590         conditional before trying to invert it.
2591
2592 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2593
2594         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2595         Make them static.
2596
2597         * calls (stack_arg_under_construction): Make it static.
2598
2599         * flow.c (regs_live_at_setjmp): Make it static.
2600         * flow.h: Remove the corresponding prototype.
2601
2602         * reload1.c (reload_startobj, reload_firstobj,
2603         something_needs_operands_changed, reload_inherited,
2604         reload_inheritance_insn, reload_override_in,
2605         reload_spill_index): Make them static.
2606
2607         * recog.c (verify_changes): Make it static.
2608         * recog.h: Remove the corresponding prototype.
2609
2610         * cfgbuild.c (find_sub_basic_blocks): Remove.
2611         * basic-block.h: Remove the corresponding prototype.
2612         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2613         in comments.
2614         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2615
2616         * tree-ssa-operands.c (check_build_stmt): Remove.
2617
2618         * stor-layout.c (set_alignment): Remove.
2619         * tree.h: Remove the corresponding prototype.
2620
2621         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2622
2623         * tree-ssa-dce.c (control_dependence_map,
2624         visited_control_parents): Make them static.
2625
2626         * cfghooks.c (verify_flow_info): Remove local variable
2627         num_bb_notes.
2628
2629         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2630         last_bb_seen.
2631
2632         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2633
2634 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2635
2636         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2637
2638 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2639
2640         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2641         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2642         PARALLEL for an empty structure.
2643
2644 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2645
2646         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2647
2648         * fold-const.c (fold_binary): Unroll the very first "for"
2649         loop.
2650
2651 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2652
2653         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2654         redundant match_code test.
2655         (scc_comparison_operator): Swap match_operand and match_code
2656         tests.
2657         (branch_positive_comparison_operator): Same.
2658         (trap_comparison_operator): Use comparison_operator and swap with
2659         match_code test.
2660
2661 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2662
2663         PR target/20288
2664         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2665         (out_movhi_r_mr): Read low byte of volatile MEM first.
2666         (out_movhi_mr_r): Write high byte of volatile MEM first.
2667
2668 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2669
2670         * cselib.c (reg_values, reg_values_size): Make them static.
2671
2672         * cse.c (cse_reg_info_table): Make it static.
2673
2674         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2675
2676 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2677
2678         * cse.c (find_best_addr): Use canon_for_address.
2679
2680 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2681
2682         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2683         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2684         SUBREG and MEM, respectively.
2685
2686         * fold-const.c (fold_binary): Use code instead of t.
2687
2688         * fold-const.c (optimize_minmax_comparison): Take decomposed
2689         arguments code, type, op0, and op1 instead of t.
2690         (fold_binary): Update a call to optimize_minmax_comparison.
2691
2692         * fold-const.c (fold_range_test): Take decomposed arguments
2693         code, type, op0, and op1 instead of t.
2694         (fold_binary): Update a call to fold_range_test.
2695
2696         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2697         decomposed arguments code, type, op0, and op1 instead of t.
2698         (fold_binary): Update a call to fold_range_test.
2699
2700 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2701
2702         * fold-const.c (fold_binary): Avoid directly using the original
2703         expression t as much as possible.
2704
2705 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2706
2707         * c-semantics.c (build_stmt): Use TYPE_P instead of
2708         IS_NON_TYPE_CODE_CLASS.
2709         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2710         (NON_TYPE_CHECK): Use TYPE_P instead of
2711         IS_NON_TYPE_CODE_CLASS.
2712
2713         * fold-const.c (fold): Remove handling of binary expressions.
2714
2715 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2716
2717         * doc/c-tree.texi: Wrap comments in @r{}.
2718         * doc/cpp.texi: Likewise.
2719         * doc/cppinternals.texi: Likewise.
2720         * doc/extend.texi: Likewise.
2721         * doc/md.texi: Likewise.
2722         * doc/objc.texi: Likewise.
2723         * doc/sourcebuild.texi: Likewise.
2724         * doc/tm.texi: Likewise.
2725         * doc/tree-ssa.texi
2726
2727 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2728
2729         * predict.c (apply_return_prediction): Standardize PHI chain
2730         walking.
2731         * tree-ssa.c (ssa_redirect_edge): Likewise.
2732
2733         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2734         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2735         Update copyright.
2736
2737         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2738         * tree-flow.h: Adjust the prototype for remove_phi_node.
2739         * lambda-code.c (perfect_nestify): Adjust a call to
2740         remove_phi_node.
2741         * tree-cfg.c
2742         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2743         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2744         Likewise.
2745         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2746         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2747         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2748         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2749
2750         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2751         of GEN_INT (trunc_int_for_mode (...)).
2752         * loop-iv.c (iv_number_of_iterations): Likewise.
2753         * postreload.c (reload_cse_move2add): Likewise.
2754         * simplify-rtx.c (simplify_const_unary_operation,
2755         simplify_const_binary_operation): Likewise.
2756         * stor-layout.c (get_mode_bounds): Likewise.
2757
2758         * fold-const.c (fold_binary): New.
2759         (fold): Call fold_binary on binary expressions.
2760
2761 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2762
2763         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2764         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2765         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2766         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2767         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2768
2769 2005-03-04  Devang Patel  <dpatel@apple.com>
2770
2771         PR tree-optimization/18815
2772         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2773         loops with zero exit edges.
2774
2775 2005-03-04  Devang Patel  <dpatel@apple.com>
2776
2777         * doc/invoke.texi: Remove reference to webpage that does not exist.
2778
2779 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2780             Joseph S. Myers  <joseph@codesourcery.com>
2781
2782         PR c++/19797
2783         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2784         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2785         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2786         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2787         maybe_get_identifier instead of get_identifier.
2788         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2789         (struct deferred_plabel): Replace name field with symbol field.
2790         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2791         ASM_OUTPUT_EXTERNAL_REAL is defined.
2792         (output_global_address): Use output_addr_const for output of all
2793         symbol_refs.
2794         (output_deferred_plabels): Use symbol_ref instead of name for address
2795         output.
2796         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2797         ASM_OUTPUT_SYMBOL_REF): New macros.
2798         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2799         comment.
2800         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2801         label.
2802
2803 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2804
2805         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2806         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2807
2808 2005-03-04  Jeff Law  <law@redhat.com>
2809
2810         * basic-block.h (rediscover_loops_after_threading): Declare.
2811         * tree-ssa-dom.c: Include cfgloop.h.
2812         (tree_ssa_dominator_optimize): Discover loops and some basic
2813         properties.  Remove forwarder blocks recreated by loop header
2814         canonicalization.  Also mark backedges in the CFG.
2815         * tree-ssa-threadupdate.c: Include cfgloop.h
2816         (rediscover_loops_after_threading): Define.
2817         (struct local_info): New field, JUMP_THREADED.
2818         (prune_undesirable_thread_requests): New function.
2819         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2820         then record that fact for the callers of redirct_edges.
2821         (thread_block): If BB has incoming backedges, then call
2822         prune_undesirable_thraed_requests.    Note when we are
2823         going to have to rediscover loop information.  Return a
2824         boolean indicating if any jumps were threaded.
2825         (thread_through_all_blocks): Bubble up boolean indicating
2826         if any jumps were threaded.
2827         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2828         (tree-ssa-threadupdate.o): Similarly.
2829
2830 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2831
2832         * fold-const.c (fold_ternary): Unroll the "for" loop to
2833         extract operands.
2834
2835 2005-03-04  Andrew Haley  <aph@redhat.com>
2836
2837         * unwind-dw2-fde-glibc.c (struct
2838         unw_eh_callback_data.check_cache): New field.
2839         (frame_hdr_cache): New.
2840         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2841         Cache frame header info.
2842
2843 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2844
2845         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2846         (print_c_condition): Declare.
2847         * read-rtl.c (ptr_loc): New structure.
2848         (ptr_locs, ptr_loc_obstack, joined_conditions)
2849         (joined_conditions_obstack): New variables.
2850         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2851         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2852         (join_c_conditions, print_c_condition): New functions.
2853         (apply_macro_to_string): Associate the new string with the same
2854         source location as the old one.
2855         (add_condition_to_string): Use join_c_conditions.
2856         (read_string): Use set_rtx_ptr_loc to record a filename and line
2857         number for the string.
2858         (read_rtx): Initialize the new variables above.
2859         * genattrtab.c (write_test_expr, write_attr_value): Use
2860         print_c_condition.
2861         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2862         comment above the GCC_VERSION check.
2863         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2864         Inline the definition of MAYBE_EVAL.
2865         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2866         * genoutput.c (process_template): Likewise.
2867         * genpreds.c (write_predicate_subfunction): Likewise.
2868         (write_predicate_expr): Use print_c_condition.
2869         * genrecog.c (write_cond): Likewise.
2870         * gensupport.c (process_rtx): Use join_c_conditions to join the
2871         conditions of a define_insn_and_split.  Record a source location
2872         for the string after the "&&".
2873         (alter_test_for_insn): Use join_c_conditions.
2874
2875 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2876
2877         Revert for now:
2878         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2879         PR tree-optimization/15784
2880         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2881         and -1 - A to ~A.
2882
2883 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2884
2885         * gcc.c (option_map): Add --coverage.
2886         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2887         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2888         * config/darwin.h: Pass -lgcov for `coverage'.
2889         * doc/invoke.texi (Debugging Options): Document --coverage.
2890
2891 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2892
2893         * gcse.c (bypass_block): Use find_edge wherever possible.
2894
2895 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2896
2897         Fix PR debug/20253
2898
2899         * c-opts.c (c_common_parse_file): Call start_source_file
2900         and end_source_file at the approriate times.
2901
2902         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2903         the main file, it will be done for us now.
2904
2905 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2906
2907         * fold-const.c (fold_ternary): New.
2908         (fold): Call fold_ternary on ternary expressions.  Remove
2909         handling of ternary expressions.
2910
2911 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2912
2913         PR tree-optimization/15784
2914         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2915         and -1 - A to ~A.
2916
2917 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2918
2919         * config/rs6000/predicates.md (branch_comparison_operator):
2920         Convert from C block to conditional format.
2921
2922 2005-03-03  Jan Hubicka  <jh@suse.cz>
2923
2924         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2925         and non-constant public variables.
2926
2927 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2928
2929         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2930         with LABEL_EXPR.
2931
2932         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2933         EDGE_I.
2934
2935         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2936         calls to release_ssa_name and release_phi_node.
2937
2938         * fold-const.c (fold): Remove handling of unary expressions.
2939
2940         * fold-const.c (fold_unary): Avoid directly using the original
2941         expression t as much as possible.
2942
2943 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2944             Andrew Pinski  <pinskia@physics.uc.edu>
2945
2946         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2947         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2948
2949 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2950
2951         Describe special registers SRP and MOF as allocatable registers.
2952         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2953         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2954         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2955         TARGET_HAS_MUL_INSNS.
2956         (cris_print_operand) <case 'd'>: New case.
2957         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2958         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2959         define.
2960         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2961         (REG_ALLOC_ORDER): Update for MOF.
2962         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2963         SPECIAL_REGS.
2964         (GENERAL_REGS): No longer a define of ALL_REGS.
2965         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2966         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2967         Adjust accordingly.
2968         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2969         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2970         (SECONDARY_RELOAD_CLASS): Define.
2971         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2972         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2973         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2974         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2975         (REGISTER_MOVE_COST): Define.
2976         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2977         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2978         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2979         (CRIS_MOF_REGNUM): New define_constants.
2980         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2981         special registers.
2982         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2983         New patterns.
2984         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2985         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2986         Adjust for MOF being properly described as a register.
2987         (indir_to_reg_split): Name this split.  Conditionalize on the
2988         destination register being a general register.
2989         (movei): Conditionalize on on operands 0 and 1 having the same
2990         register class.
2991
2992 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2993
2994         PR target/20277
2995         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2996         -mcpu to override any other explicitly given flags.
2997
2998 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2999
3000         * recog.c (verify_changes, confirm_change_group): New functions,
3001         broken out of apply_change_group.
3002         (apply_change_group): Use them.
3003         * recog.h (verify_change, confirm_change_group): Declare.
3004         * rtl.h (redirect_jump_2): Declare.
3005         * jump.c (redirect_exp, invert_exp): Delete.
3006         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
3007         (redirect_jump_2): New function, broken out of redirect_jump.
3008         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3009         (invert_jump): Use invert_jump_1 and redirect_jump_2.
3010         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3011
3012 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
3013
3014         * varasm.c (named_section): Use xstrdup rather than doing it by
3015         hand.
3016
3017         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3018
3019 2005-03-02  Devang Patel  <dpatel@apple.com>
3020
3021         Undo PR tree-optimization/18815 fix.
3022
3023 2005-03-02  Devang Patel  <dpatel@apple.com>
3024
3025         PR tree-optimization/18815
3026         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3027         loops with zero exit edges.
3028
3029 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3030
3031         * cfg.c (connect_src, connect_dest, disconnect_src,
3032         disconnct_dest): New.
3033         (unchecked_make_edge, remove_edge, redirect_edge_succ,
3034         redirect_edge_pred): Use the new functions.
3035
3036         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3037         free_dominance_info only when needed.
3038
3039 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
3040
3041         PR target/20276
3042         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3043         (reg_or_sub_cint64_operand): Same.
3044
3045 2005-03-02  Jeff Law  <law@redhat.com>
3046
3047         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3048         CFG_ALTERED in the main DOM iteration loop.
3049
3050 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
3051
3052         PR c++/19916
3053         * varasm.c (initializer_constant_valid_p): Allow conversions
3054         between OFFSET_TYPEs.  Tidy.
3055
3056 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3057
3058         * config/cris/cris.md ("return"): Remove epilogue delay list
3059         sanity check.
3060
3061 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3062
3063         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3064         for Thumb.
3065         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3066
3067 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3068
3069         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3070         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3071         config/m68k/m68k.c, config/mips/mips.h,
3072         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3073         doc/include/gcc-common.texi: Update copyright.
3074
3075         PR middle-end/18029 and PR middle-end/18030
3076         * expr.c (optimize_bitfield_assignment_op): Add a special case
3077         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3078
3079         * fold-const.c (fold_unary): New.
3080         (fold): Call fold_unary on unary expressions.
3081
3082 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3083
3084         * cgraph.h (struct cgraph_edge): Add prev_caller and
3085         prev_callee fields.
3086         (cgraph_node_remove_callees): Export.
3087         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3088         and prev_callee.
3089         (cgraph_edge_remove_callee): New function.
3090         (cgraph_edge_remove_caller): Likewise.
3091         (cgraph_remove_edge): Use.
3092         (cgraph_redirect_edge_callee): Likewise.
3093         (cgraph_node_remove_callees): New function.
3094         (cgraph_node_remove_callers): Likewise.
3095         (cgraph_remove_node): Use.
3096         * tree-optimize.c (tree_rest_of_compilation): Use
3097         cgraph_node_remove_callees instead of manual loop.
3098         * cgraphunit.c (cgraph_finalize_function): Likewise.
3099         (cgraph_expand_function): Likewise.
3100         (cgraph_remove_unreachable_nodes): Likewise.
3101
3102 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3103
3104         PR c/8927
3105         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3106         argument.
3107         * c-decl.c (undeclared_variable): Take location as argument.
3108         * c-typeck.c (build_external_ref): Likewise.
3109         * c-parser.c (c_parser_postfix_expression): Pass location of
3110         identifier to build_external_ref.
3111
3112 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3113
3114         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3115         CCEQ mode for branch_positive_comparison_operator test.
3116         * config/rs6000/predicates (branch_comparison_operator): Revert to
3117         define_predicate.
3118         (scc_comparison_operator): Same.
3119         (branch_positive_comparison_operator): Same.
3120
3121 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3122
3123         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3124         (cris_delay_slots_for_epilogue): Remove.
3125         (save_last): Move into cris_target_asm_function_epilogue.
3126         (cris_target_asm_function_epilogue): Remove tests for file being
3127         NULL.
3128         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3129         (cris_delay_slots_for_epilogue): Remove prototypes.
3130         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3131         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3132
3133 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3134
3135         * config/rs6000/predicates.md (branch_comparison_operator): Change
3136         to define_special_predicate.
3137         (scc_comparison_operator): Same.
3138         (branch_positive_comparison_operator): Same.
3139
3140 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3141
3142         * Makefile.in (tree-ssa-sink.o): New.
3143         (OBJS-common): Add tree-ssa-sink.o.
3144         * common.opt: Add -ftree-sink
3145         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3146         * timevar.def (TV_TREE_SINK): new timevar.
3147         * tree-flow.h (is_hidden_global_store): Prototype.
3148         * tree-optimize.c (init_tree_optimization_passes): Add
3149         pass_sink_code.
3150         * tree-pass.h (pass_sink_code): New.
3151         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3152         for non-obvious global store store to is_hidden_global_store, and
3153         call that new function.
3154         * tree-ssa-sink.c: New file.
3155         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3156         * doc/passes.texi: Document forward store motion.
3157         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3158         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3159         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3160         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3161
3162 2005-03-01  Per Bothner  <per@bothner.com>
3163
3164         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3165         and we have a non-zero column-number, add it to the message.
3166         Also factor out the diagnostic_kind_text.
3167
3168 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3169
3170         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3171         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3172         flow_loop_scan): Removed.
3173         (flow_loop_dump): Do not dump removed fields.
3174         (flow_loop_free): Do not free removed fields.
3175         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3176         (loop_exit_edge_p): New function.
3177         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3178         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3179         num_exits, exits_doms.
3180         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3181         LOOP_EDGES, LOOP_ALL): Removed.
3182         (flow_loop_scan): Declaration removed.
3183         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3184         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3185         flow_loops_find.
3186         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3187         (if_convert): Call flow_loops_find and flow_loops_free
3188         when calling mark_loop_exit_edges.
3189         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3190         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3191         free_dominance_info calls.
3192         * loop-init.c (flow_loops_find): Ditto.
3193         * passes.c (rest_of_handle_branch_prob): Ditto.
3194         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3195         * loop-unroll.c (analyze_insns_in_loop): Do not use
3196         EDGE_LOOP_EXIT.
3197         * predict.c (predict_loops): Do not call flow_loop_scan.
3198         Use get_loop_exit_edges.
3199         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3200         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3201         Do not use EDGE_LOOP_EXIT.
3202         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3203         to bb_with_exit_edge_p.
3204         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3205         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3206         to bb_with_exit_edge_p.
3207         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3208         EDGE_LOOP_EXIT.
3209         * tree-loop-linear.c (linear_transform_loops): Do not call
3210         flow_loop_scan.  Use loop->single_exit.
3211         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3212         (vect_analyze_loop_form): Do not call flow_loop_scan.
3213         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3214         loop->single_exit.
3215         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3216         loop->single_exit.
3217         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3218         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3219         slpeel_tree_duplicate_loop_to_edge_cfg,
3220         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3221         Use loop_preheader_edge and loop->single_exit.  Do not call
3222         flow_loop_scan.
3223
3224 2005-03-01  Nick Clifton  <nickc@redhat.com>
3225
3226         * config/arm/arm.c (thumb_find_work_register): Check all of the
3227         argument registers to see if they are free, and a couple of
3228         special cases where the last argument register but can be proved
3229         to be available during the function's prologue.
3230         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3231         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3232         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3233         register bit-mask.
3234         (thumb_compute_save_reg_mask): Likewise.  Also use
3235         thumb_find_work_register() to ensure that there is agreement about
3236         which work register is going to be used in the prologue.
3237         (thumb_output_function_prologue): Use unsigned long as the type
3238         for the register bit-mask.  Also delay pushing the link register if
3239         other high registers are going to be pushed.
3240         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3241         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3242         redundant prototypes.
3243
3244 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3245
3246         PR target/19819
3247         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3248         and after reload in REG+REG indexed addresses without REG_POINTER
3249         set in the base and not set in the index.
3250
3251 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3252
3253         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3254         Don't undefine here.
3255         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3256         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3257         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3258         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3259         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3260         Delete.
3261         * config.gcc (sh*-*-linux*): Use config/linux.h.
3262
3263 2005-02-28  Dale Johannesen  <dalej@apple.com>
3264             Stan Shebs  <shebs@apple.com>
3265
3266         Rewrite of 64-bit Darwin structure-by-value pass/return.
3267         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3268         intoffset, use_stack, named.
3269         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3270         (rs6000_darwin64_record_arg_advance_flush):  New.
3271         (rs6000_darwin64_record_arg_advance_recurse): New.
3272         (rs6000_darwin64_record_arg_flush):  New.
3273         (rs6000_darwin64_record_arg_recurse):  New.
3274         (rs6000_darwin64_record_arg):  New.
3275         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3276         (function_arg_boundary):  Handle 128-bit aligned structs.
3277         (function_arg_advance):  Rewrite darwin64 struct handling.
3278         (function_arg):  Call rs6000_darwin64_record_arg.
3279         (function_arg_partial_nregs):  Handle darwin64 structs.
3280         (rs6000_darwin64_function_value):  Remove.
3281         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3282
3283 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3284
3285         PR tree-optimization/20216
3286         * tree-chrec.c (tree_fold_factorial): Delete.
3287         (tree_fold_binomial): Change argument list to take a return type
3288         and change the type of K to unsigned int.  Rewrite to avoid explicit
3289         evaluation of factorials, and (recursively) calling fold to perform
3290         compile-time arithmetic.  Return NULL on (internal) overflow.
3291         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3292         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3293         if any intermediate calculation overflows.
3294         (chrec_apply): Update call to chrec_evaluate.
3295
3296 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3297
3298         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3299
3300 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3301
3302         PR c/20245
3303         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3304         instead of NULL_TREE on error.
3305
3306 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3307
3308         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3309         (EASY_VECTOR_15_ADD_SELF): Remove.
3310         (num_insns_constant_wide): Not static.
3311         (validate_condition_mode): Not static.
3312         (toc_relative_expr_p): Not static.
3313         (legitimate_indirect_address_p): Not static.
3314         (macho_lo_sum_memory_operand): Not static.
3315         (invalid_e500_subreg): Not static.
3316         (easy_vector_same): Not static.
3317         (easy_vector_splat_const): Not static.
3318         (RS6000_SYMBOL_REF_TLS_P): Remove.
3319         (any_operand): Delete.
3320         (any_parallel_operand): Delete.
3321         (count_register_operand): Delete.
3322         (altivec_register_operand): Delete.
3323         (xer_operand): Delete.
3324         (s8bit_cint_operand): Delete.
3325         (short_cint_operand): Delete.
3326         (u_short_cint_operand): Delete.
3327         (non_short_cint_operand): Delete.
3328         (exact_log2_cint_operand): Delete.
3329         (gpc_reg_operand): Delete.
3330         (cc_reg_operand): Delete.
3331         (cc_reg_not_cr0_operand): Delete.
3332         (reg_or_short_operand): Delete.
3333         (reg_or_neg_short_operand): Delete.
3334         (reg_or_aligned_short_operand): Delete.
3335         (reg_or_u_short_operand): Delete.
3336         (reg_or_cint_operand): Delete.
3337         (reg_or_arith_cint_operand): Delete.
3338         (reg_or_add_cint64_operand): Delete.
3339         (reg_or_sub_cint64_operand): Delete.
3340         (reg_or_logical_cint_operand): Delete.
3341         (got_operand): Delete.
3342         (got_no_const_operand): Delete.
3343         (easy_fp_constant): Delete.
3344         (easy_vector_constant): Delete.
3345         (easy_vector_constant_add_self): Delete.
3346         (zero_constant): Delete.
3347         (zero_fp_constant): Delete.
3348         (volatile_mem_operand): Delete.
3349         (offsettable_mem_operand): Delete.
3350         (mem_or_easy_const_operand): Delete.
3351         (add_operand): Delete.
3352         (non_add_cint_operand): Delete.
3353         (logical_operand): Delete.
3354         (non_logical_cint_operand): Delete.
3355         (mask_operand): Delete.
3356         (mask_operand_wrap): Delete.
3357         (mask64_operand): Delete.
3358         (mask64_2_operand): Delete.
3359         (and64_operand): Delete.
3360         (and64_2_operand): Delete.
3361         (and_operand): Delete.
3362         (reg_or_mem_operand): Delete.
3363         (lwa_operand): Delete.
3364         (symbol_ref_operand): Delete.
3365         (call_operand): Delete.
3366         (current_file_function_operand): Delete.
3367         (input_operand): Delete.
3368         (rs6000_nonimmediate_operand): Delete.
3369         (rs6000_tls_symbol_ref): Delete.
3370         (save_world_operation): Delete.
3371         (restore_world_operation): Delete.
3372         (load_multiple_operation): Delete.
3373         (store_multiple_operation): Delete.
3374         (vrsave_operation): Delete.
3375         (mfcr_operation): Delete.
3376         (mtcrf_operation): Delete.
3377         (lmw_operation): Delete.
3378         (stmw_operation): Delete.
3379         (branch_comparison_operator): Delete.
3380         (branch_positive_comparison_operator): Delete.
3381         (scc_comparison_operator): Delete.
3382         (trap_comparison_operator): Delete.
3383         (boolean_operator): Delete.
3384         (boolean_or_operator): Delete.
3385         (min_max_operator): Delete.
3386         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3387         (EASY_VECTOR_15): Moved to here.
3388         (EASY_VECTOR_15_ADD_SELF): Move to here.
3389         (PREDICATE_CODES): Delete.
3390         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3391         Declare functions no longer static.
3392         * config/rs6000/predicates.md: New.
3393         * config/rs6000/rs6000.md: Include predicates.md
3394
3395 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3396
3397         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3398         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3399         REG_ALWAYS_RETURN.
3400         * cfgrtl.c (need_fake_edge_p): Likewise.
3401         * combine.c (distribute_notes): Likewise.
3402         * emit-rtl.c (try_split): Likewise.
3403         * recog.c (peephole2_opimize): Likewise.
3404         * reg-notes.def (ALWAYS_RETURN): Remove.
3405         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3406         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3407         * tree.h (ECF_ALWAYS_RETURN): Remove.
3408
3409 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3410
3411         PR middle-end/19874
3412         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3413         between different machine modes is never a "useless" conversion.
3414
3415 2005-02-28  Geert Bosch  <bosch@gnat.com>
3416
3417         PR ada/15977
3418         * doc/contrib.texi: List contributors for Ada front end
3419
3420 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3421
3422         * simplify-rtx.c (simplify_unary_operation_1,
3423         simplify_const_unary_operation): New, extracted from...
3424         (simplify_unary_operation): ... this one.
3425         (simplify_binary_operation_1,
3426         simplify_const_binary_operation): New, extracted from...
3427         (simplify_binary_operation): ... this one.
3428         * rtl.h (simplify_const_unary_operation,
3429         simplify_const_binary_operation): Add prototypes.
3430
3431 2005-02-28  Julian Brown  <julian@codesourcery.com>
3432
3433         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3434         building libjava and caused PR regression/20228.
3435
3436 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3437
3438         PR bootstrap/17383
3439         * Makefile.in (host_subdir): New.
3440         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3441         * configure: Regenerate.
3442
3443 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3444
3445         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3446         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3447         installation directory first.
3448
3449 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3450
3451         PR target/19065.
3452         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3453         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3454         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3455         * config/cris/cris.md: Tweak comments referring to Q.
3456         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3457         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3458         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3459         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3460         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3461         Insert spaces in constraints to align alternatives vertically for
3462         readability.
3463         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3464         operand 1: "M".
3465
3466 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3467
3468         PR rtl-optimization/17728
3469         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3470         operand 0 from general_operand to move_dest_operand.
3471
3472 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3473
3474         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3475         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3476         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3477         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3478
3479 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3480
3481         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3482         * configure: Regenerate.
3483         * libada-mk.in: Remove CC; rename
3484         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3485
3486 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3487
3488         PR tree-opt/20188
3489         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3490         for the lhs, also walk over the tree.  Likewise for rhs.
3491
3492 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3493
3494         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3495         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3496         Do not propagate value of iv before increment over the increment.
3497
3498 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3499
3500         * c-parser.c: New file.
3501         * c-parse.in: Remove.
3502         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3503         Remove.
3504         (c-parser.o): Add dependencies.
3505         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3506         maintainer-clean, TAGS): Update.
3507         * c-config-lang.in (gtfiles): Update.
3508         * gengtype-lex.l: Don't handle "@@".
3509         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3510         objc_build_synchronized, objc_begin_try_stmt,
3511         objc_begin_catch_clause, objc_finish_catch_clause,
3512         objc_build_finally_clause, objc_finish_try_stmt): New.
3513         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3514         type_seen_p.
3515         (c_parse_init): Update comment.
3516         * c-decl.c (c_init_decl_processing): Update comment.
3517         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3518         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3519         new c_declspecs members.
3520
3521 2005-02-25  Julian Brown  <julian@codesourcery.com>
3522
3523         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3524         from being used for symbols with vague linkage when
3525         HAVE_GAS_COMDAT_GROUP is true.
3526
3527 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3528
3529         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3530
3531 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3532
3533         PR target/19930
3534         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3535         (LIBGCC2_HAS_DF_MODE): New.
3536         (LIBGCC2_HAS_XF_MODE): New.
3537         (LIBGCC2_HAS_TF_MODE): New.
3538         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3539         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3540         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3541         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3542         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3543         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3544         and add _fixtfdi, _fixunstfdi, _floatditf
3545         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3546         L_fixunstfdi, L_floatditf.
3547         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3548         (LIBGCC2_HAS_TF_MODE): Define.
3549
3550 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3551
3552         PR tree-optimization/20204
3553         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3554         REWRITE_THIS_STMT markers on PHI nodes.
3555         (rewrite_initialize_block): Likewise.
3556
3557 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3558
3559         * version.c (version_string): Update to 4.1.
3560
3561 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3562
3563         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3564         Clarify that the alternative way doesn't work in GNU C++.
3565
3566 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3567
3568         PR tree-optimization/19937
3569         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3570         to the type of the induction variable.
3571
3572 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3573
3574         PR rtl-optimization/20117
3575         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3576         the block including noncopyable insn.
3577
3578 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3579
3580         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3581         calls to find_reg_note.
3582
3583 2005-02-24  Richard Henderson  <rth@redhat.com>
3584
3585         PR tree-opt/20127
3586         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3587         the type.
3588
3589 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3590
3591         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3592         vector types if to use base reg for misaligned non-word ld/std.
3593
3594 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3595
3596         PR target/14619
3597         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3598         dwarf2 label manually and put it after, not before the prologue.
3599
3600 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3601
3602         PR target/19019
3603         * reload.c (operands_match_p): Only increment register number for
3604         SCALAR_INT_MODE_P modes in multiple hard registers.
3605
3606         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3607         Fix formatting.
3608
3609 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3610
3611         * ChangeLog.5: Fix log message typo(s).
3612         * ChangeLog.7: Likewise.
3613         * ChangeLog.tree-ssa: Likewise.
3614         * cfgexpand.c: Fix comment typo(s).
3615         * conflict.c: Likewise.
3616         * defaults.h: Likewise.
3617         * dwarf2out.c: Likewise.
3618         * gcse.c: Likewise.
3619         * ggc-page.c: Likewise.
3620         * tree-eh.c: Likewise.
3621         * tree-ssa-dom.c: Likewise.
3622
3623 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3624
3625         PR target/19019
3626         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3627         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3628         if SHARED is defined.
3629
3630         PR target/20196
3631         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3632         allow splitting only if operands 0 and 3 don't overlap.
3633
3634 2005-02-24  Richard Henderson  <rth@redhat.com>
3635
3636         PR middle-end/19953
3637         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3638         (fold_builtin_1): Call them.
3639         * fold-const.c (fold_complex_mult_parts): Split out from ...
3640         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3641         (fold_complex_div_parts, fold_complex_div): New.
3642         (fold): Use them.
3643         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3644
3645 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3646
3647         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3648         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3649
3650         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3651         (print_node): Likewise.
3652         Print TYPE_SIZES_GIMPLIFIED.
3653
3654 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3655
3656         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3657         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3658         operands as commutative in constraints.
3659
3660 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3661
3662         * tree-into-ssa.c: Re-organize internal functions.
3663
3664 2005-02-24  Richard Henderson  <rth@redhat.com>
3665
3666         PR middle-end/18902
3667         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3668         for c99.
3669         * common.opt (fcx-limited-range): New.
3670         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3671         * toplev.c (flag_complex_method): Initialize to 1.
3672         (process_options): Set flag_complex_method to 0 if
3673         flag_cx_limited_range.
3674         * doc/invoke.texi (-fcx-limited-range): New.
3675
3676 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3677
3678         * cse.c (delete_trivially_dead_insns): Speed up by using
3679         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3680         prev_real_insn.
3681
3682 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3683
3684         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3685         functions when -mid-shared-library is being used.
3686
3687 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3688
3689         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3690         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3691         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3692         * system.h: Poison LINK_LIBGCC_SPECIAL.
3693
3694 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3695
3696         * gengtype.c (note_insn_name): Make 1 element larger.
3697
3698 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3699
3700         PR target/20018
3701         PR rtl-optimization/20097
3702         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3703         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3704
3705 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3706
3707         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3708         * t-aix52 (SHLIB_INSTALL): Same.
3709
3710 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3711
3712         * genpreds.c: Update copyright.
3713
3714 2005-02-23  Michael Beach  <michaelb@ieee.org>
3715
3716         PR target/20159
3717         * config/sparc/t-elf (startup files): Assemble with CPP.
3718
3719 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3720
3721         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3722         (write_predicate_expr): Likewise.
3723
3724 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3725
3726         PR tree-optimization/20100
3727         PR tree-optimization/20115
3728         * tree-optimize.c (init_tree_optimization_passes): Remove
3729         pass_maybe_create_global_var.
3730         * tree-pass.h (pass_maybe_create_global_var): Remove.
3731         * tree-ssa-alias.c (aliases_computed_p): Declare.
3732         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3733         (count_calls_and_maybe_create_global_var): Remove.
3734         (pass_maybe_create_global_var): Remove.
3735         (init_alias_info): Do not declare aliases_computed_p.
3736         (maybe_create_global_var): If the function contains no
3737         call-clobbered variables and a mix of pure/const and regular
3738         function calls, create .GLOBAL_VAR.
3739         Mark all call-clobbered variables for renaming.
3740         (merge_pointed_to_info): Update comment.
3741         (add_pointed_to_var): Likewise.
3742         (is_escape_site): Likewise.
3743         Accept struct alias_info * instead of size_t *.
3744         Update all users.
3745         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3746         as necessary.
3747         * tree-ssa-operands.c (get_call_expr_operands): If
3748         ALIASES_COMPUTED_P is false, do not add call-clobbering
3749         operands.
3750         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3751         (delete_tree_ssa): Likewise.
3752
3753 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3754
3755         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3756         (do_compile): Do call it here.
3757
3758 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3759
3760         PR rtl-optimization/20017.
3761         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3762         rest_of_handle_cse2, rest_of_handle_gcse): Call
3763         delete_dead_jumptables immediately before calling cleanup_cfg.
3764
3765 2005-02-22  Devang Patel  <dpatel@apple.com>
3766
3767         PR 19952
3768         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3769         all labels
3770
3771 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3772
3773         * config/rs6000/aix.h (WINT_TYPE): Define.
3774
3775 2005-02-22  Stan Shebs  <shebs@apple.com>
3776
3777         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3778         natural alignment for 64-bit Darwin.
3779         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3780         on 64-bit Darwin.
3781         * doc/invoke.texi: Document this.
3782
3783 2005-02-22  DJ Delorie  <dj@redhat.com>
3784
3785         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3786         to make_[un]signed_type, not the mode itself.
3787
3788 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3789
3790         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3791         not available.  Use tail calls wherever possible.
3792         (make_edge): Call unchecked_make_edge to create an edge.
3793
3794         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3795         (coalesce_ssa_name): Don't check for
3796         SSANORM_USE_COALESCE_LIST.
3797         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3798
3799 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3800
3801         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3802         (rewrite_into_ssa): ... here.
3803
3804 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3805
3806         PR tree-optimization/19786
3807         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3808         tag to another's may-alias bitmap when adding to the other's list.
3809
3810 2005-02-21  DJ Delorie  <dj@redhat.com>
3811
3812         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3813         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3814         registers in unsupported ways.
3815         * expmed.c (init_expmed): Likewise.
3816
3817 2005-02-21  Stan Cox  <scox@redhat.com>
3818
3819         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3820
3821 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3822
3823         * tree-cfg.c (fold_cond_expr_cond): New.
3824         (make_edges): Call fold_cond_expr_cond.
3825         (find_taken_edge): Accept nothing but INTEGER_CST.
3826         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3827         and 1.
3828         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3829
3830         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3831         that do not belong to any basic block.
3832
3833 2005-02-21  Jeff Law  <law@redhat.com>
3834
3835         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3836         e->dest.
3837
3838 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3839
3840         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3841         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3842         Adjust their definitions.
3843         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3844         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3845
3846         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3847         genautomata.c, langhooks.c, langhooks.h, system.h,
3848         config/arm/lib1funcs.asm: Update copyright.
3849
3850 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3851
3852         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3853
3854 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3855
3856         PR bootstrap/13770
3857         * doc/install.texi: Document --with-gc.
3858
3859 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3860
3861         * simplify-rtx.c (simplify_unary_operation): Add a missing
3862         "break" statement.
3863
3864 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3865
3866         PR tree-optimization/18663
3867         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3868         if the type has variable bounds.
3869
3870 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3871
3872         * gcse.c: Remove an obsolete comment.
3873
3874         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3875
3876 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3877
3878         * doc/extend.texi (Function Attributes) <Attribute const>: The
3879         attribute "pure" is below this text, not above.
3880
3881 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3882
3883         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3884         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3885         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3886
3887 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3888
3889         PR 18785
3890         * langhooks.h (struct lang_hooks): Add to_target_charset.
3891         * langhooks.c (lhd_to_target_charset): New function.
3892         * langhooks-def.h: Declare lhd_to_target_charset.
3893         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3894         (LANG_HOOKS_INITIALIZER): Update.
3895         * c-common.c (c_common_to_target_charset): New function.
3896         * c-common.h: Declare it.
3897         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3898         c_common_to_target_charset.
3899
3900         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3901         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3902         Delete definitions.
3903         * system.h: Poison them.
3904         * doc/tm.texi: Don't discuss them.
3905         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3906         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3907         (pp_c_char): Do not attempt to generate letter escapes for
3908         newline, tab, etc.
3909         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3910         * config/mips/mips.c (mips_output_ascii): Likewise.
3911
3912 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3913
3914         PR tree-optimization/19951
3915         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3916         is abnormal.
3917
3918 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3919
3920         PR middle-end/19698
3921         * function.h (struct function): New field `max_loop_depth'.
3922         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3923         (flow_loops_find): Reset the max loop depth count before finding loops.
3924         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3925         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3926         (calculate_global_regs_live): Make sure the loop will terminate
3927         when the initial sets are not empty.
3928
3929 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3930
3931         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3932         object inside.
3933         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3934
3935 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3936
3937         PR other/19525
3938         * doc/invoke.texi: Remove documentation of %M spec.
3939         * gcc.c: Likewise.
3940         (init_spec): Remove %M suffix from -lgcc_s.
3941         (do_spec_1): Remove 'M' case.
3942         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3943         to put shared libraries in the multilib directory.  Remove the
3944         shlib_so_soname substitution variable.  Don't add a multilib encoding
3945         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3946         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3947         SHLIB_INSTALL as well as SHLIB_LINK.
3948         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3949         (SHLIB_NAME): Delete.
3950         (SHLIB_DIR): New macro.
3951         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3952         (SHLIB_INSTALL): Adjust accordingly.
3953         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3954         * config/t-slibgcc-sld: Likewise.
3955         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3956         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3957         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3958         in $(SHLIB_DIR).
3959         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3960         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3961         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3962         Use @shlib_base_name@ instead of @shlib_so_name@.
3963         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3964         and @shlib_base_name@.so in @multilib_dir@.
3965         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3966         to the install path.
3967         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3968         (SHLIB_LINK): Remove previous workaround.
3969         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3970         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3971         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3972         the install path.
3973         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3974         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3975         (SHLIB_INSTALL): Adjust accordingly.
3976         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3977         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3978         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3979         config/t-slibgcc-elf-ver.
3980
3981 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3982             Jakub Jelinek  <jakub@redhat.com>
3983
3984         PR tree-optimization/19828
3985         * tree-ssa-loop-im.c: Add a TODO comment.
3986         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3987         without side-effects.
3988
3989 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3990
3991         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3992         call fold_convert.
3993
3994 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3995
3996         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3997         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3998         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3999         functions.
4000         (ia64_reorg): Delete fixup_errata call.
4001         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4002         (TARGET_SWITCHES): Delete -mb-step entry.
4003
4004 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
4005
4006         PR c/20043
4007         * c-typeck.c (composite_type): Handle quals in transparent unions.
4008         (type_lists_compatible_p): Likewise.
4009
4010 2005-02-18  Stan Shebs  <shebs@apple.com>
4011
4012         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4013         expressions in the .literal8 section.
4014
4015 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
4016
4017         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4018
4019 2005-02-18  Roger Sayle  <roger@eyesopen.com>
4020
4021         * fold-const.c (constant_boolean_node): Always create values of the
4022         specified type, don't bother calling truthvalue_conversion.
4023
4024 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4025
4026         * except.c (output_function_exception_table): Call
4027         assemble_external_libcall (eh_personality_libfunc).
4028
4029 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4030
4031         PR target/19886
4032         * config/ia64/ia64.h (struct machine_function): Add state_num.
4033         * config/ia64/ia64.c (process_epilogue,
4034         process_for_unwind_directive): Use new unwind state numbers each
4035         time rather than state 1.
4036
4037 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
4038
4039         PR target/20054
4040         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4041         before the "*llgt_didi" pattern.
4042
4043 2005-02-18  Jason Merrill  <jason@redhat.com>
4044
4045         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4046
4047 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
4048
4049         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4050         (div0): Use it in place of ARM_FUNC_ALIAS.
4051         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4052
4053 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
4054
4055         PR middle-end/20030
4056         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4057         access, the lower bound of the array type if it exists.
4058
4059 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4060
4061         PR c++/20008
4062         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4063         cases that are out-of-range for the index type.
4064
4065 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4066
4067         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4068         (estimate_case_costs): Don't call convert.
4069         * expmed.c (expand_shift): Likewise.
4070         (make_tree): Call fold_convert instead of convert.
4071
4072 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4073
4074         PR c++/19813
4075         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4076         that ref to be marked MEM_READONLY_P doesn't have base that needs
4077         constructing.
4078
4079 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4080
4081         * genautomata.c (output_get_cpu_unit_code_func,
4082         output_cpu_unit_reservation_p): Don't generate old-style function
4083         definitions.
4084
4085 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4086
4087         PR c++/20023
4088         PR tree-optimization/20009
4089         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4090
4091         PR tree-optimization/18947
4092         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4093         inline, remove all nodes that are inlined into the extern inline
4094         being redefined.
4095
4096 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4097
4098         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4099         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4100         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4101         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4102         Update copyright.
4103
4104 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4105
4106         PR tree-optimization/19917
4107         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4108         to be potentially trapping.
4109
4110 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4111
4112         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4113
4114 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4115
4116         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4117         tem becomes a local variable which is set to the value of the
4118         back end defined INITIAL_FRAME_ADDRESS macro.
4119         (expand_builtin_frame_address): Omit the base parameter to
4120         expand_builtin_return_addr.
4121         (expand_builtin_profile_func): Likewise.
4122         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4123         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4124         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4125
4126 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4127
4128         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4129         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4130         * config/frv/frv.c (frv_function_epilogue): Likewise.
4131
4132 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4133
4134         * lambda-code (perfect_nestify): Remove mark/unmark
4135         for rewriting hack.
4136         * tree-loop-linear.c (linear_transform_loops): Add
4137         rewrite_into_ssa call so that ssa is correct for
4138         rewriting into loop closed.
4139
4140 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4141
4142         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4143         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4144         BITMAP_FREE.
4145         * bt-load.c (btr_def_live_range, combine_btr_defs,
4146         migrate_btr_def, migrate_btr_defs): Likewise.
4147         * cfgcleanup.c (thread_jump): Likewise.
4148         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4149         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4150         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4151         df_rd_local_compute, df_reg_info_compute): Likewise.
4152         * dominance.c (init_dom_info, free_dom_info): Likewise.
4153         * flow.c (init_propagate_block_info,
4154         free_propagate_block_info): Likewise.
4155         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4156         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4157         modify_reg_pav): Likewise.
4158         * loop-invariant.c (find_defs, find_invariant_insn,
4159         find_invariants, free_inv_motion_data): Likewise.
4160         * predict.c (tree_predict_by_opcode,
4161         estimate_bb_frequencies): Likewise.
4162         * stmt.c (expand_case): Likewise.
4163         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4164         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4165         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4166         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4167         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4168         rewrite_ssa_into_ssa): Likewise.
4169         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4170         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4171         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4172         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4173         * tree-sra.c (tree_sra): Likewise.
4174         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4175         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4176         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4177         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4178         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4179         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4180         Likewise.
4181         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4182         calculate_live_on_entry, calculate_live_on_exit,
4183         build_tree_conflict_graph): Likewise.
4184         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4185         record_important_candidates, set_use_iv_cost, find_depends,
4186         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4187         tree_ssa_iv_optimize_finalize): Likewise.
4188         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4189         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4190         tree_duplicate_loop_to_header_edge): Likewise.
4191         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4192         * tree-ssa.c (verify_flow_insensitive_alias_info,
4193         verify_name_tags, verify_ssa, init_tree_ssa,
4194         delete_tree_ssa): Likewise.
4195         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4196         fini_ssanames): Likewise.
4197         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4198
4199 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4200
4201         * config/rs6000/t-rtems: Completely reworked.
4202
4203 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4204
4205         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4206
4207 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4208
4209         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4210         POINTER_TYPE_P when checking that type is a pointer.
4211         (vect_get_memtag): Remove.
4212         (vect_address_analysis): Use POINTER_TYPE_P. Call
4213         vect_object_analysis with dummy parameter for memtag.
4214         (vect_object_analysis): Extract memtag (functionality that
4215         used to be in vect_get_memtag and moved here). Fix printings.
4216         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4217         with correct parameters. Remove call to vect_get_memtag.
4218
4219 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4220
4221         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4222         (tree-vectorizer.o): Added missing dependencies.
4223
4224         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4225         decleration.
4226         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4227         declaration in tree-vectorizer.c, now has an extern declaration in
4228         tree-vectorizer.h).
4229         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4230         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4231         get_vectype_for_scalar_type, vect_is_simple_use,
4232         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4233         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4234         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4235         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4236         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4237         find_loop_location): Likewise.
4238
4239         * tree-vectorizer.c (langhooks.h): #include removed.
4240         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4241         moved to tree-vectorized.h.
4242         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4243         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4244         get_vectype_for_scalar_type, vect_is_simple_use,
4245         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4246         vect_supportable_dr_alignment, new_loop_vec_info,
4247         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4248         vect_set_verbosity_level, find_loop_location): Likewise.
4249
4250         (vect_analyze_loop): Function externalized. Declaration moved to
4251         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4252         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4253         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4254         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4255         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4256         vect_enhance_data_refs_alignment, vect_analyze_operations,
4257         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4258         vect_stmt_relevant_p, vect_get_loop_niters,
4259         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4260         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4261         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4262         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4263         vect_get_memtag): Likewise.
4264
4265         (vectorizable_load): Function externalized. Declaration moved to
4266         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4267         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4268         vect_transform_loop): Likewise.
4269         (vect_transform_stmt): Moved to tree-vect-transform.c.
4270         (vect_align_data_ref, vect_create_destination_var,
4271         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4272         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4273         vect_get_vec_def_for_operand, vect_init_vector,
4274         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4275         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4276         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4277         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4278         vect_do_peeling_for_loop_bound): Likewise.
4279
4280         * tree-vect-analyze.c: New file.
4281         * tree-vect-transform.c: New file.
4282
4283 2005-02-17  Jason Merrill  <jason@redhat.com>
4284
4285         PR mudflap/19319, c++/19317
4286         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4287         slot explicit.
4288
4289 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4290
4291         * doc/install.texi (Specific): Update link for Darwin-specific
4292         tool binary site.
4293
4294 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4295
4296         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4297         constant_boolean_node.
4298
4299 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4300
4301         PR target/19019
4302         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4303         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4304
4305 2005-02-16  Richard Henderson  <rth@redhat.com>
4306
4307         PR 19920
4308         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4309         with W_TYPE_SIZE.
4310         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4311         replace uses with Wtype_MAXp1_F.
4312         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4313         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4314         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4315         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4316         and HAVE_TFMODE as appropriate.
4317         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4318         (__floatdisf): Likewise.
4319         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4320         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4321         (Wtype_MAXp1_F): New.
4322         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4323         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4324
4325 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4326
4327         * PR target/19162
4328         * arm.c (arm_apply_result_size): New function.
4329         * arm.h (APPLY_RESULT_SIZE): Define.
4330         * arm-protos.h (arm_apply_result_size): Add prototype.
4331         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4332         (movxf): New expand.
4333         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4334         (call_value_symbol): Remove predicate for operand 0.
4335         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4336         (untyped_call): Rework to correclty return values for any type.
4337         (untyped_return): New expand.
4338         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4339
4340 2005-02-16  Stan Shebs  <shebs@apple.com>
4341
4342         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4343         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4344
4345 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4346
4347         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4348         configure settings on Solaris 7 and later.
4349
4350 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4351
4352         PR tree-optimization/19865
4353         * tree-optimize.c (init_tree_optimization_passes): Run
4354         pass_may_alias after pass_sra.
4355
4356 2005-02-16  Richard Henderson  <rth@redhat.com>
4357             Stuart Hastings  <stuart@apple.com>
4358
4359         PR debug/19521
4360         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4361         Do nothing if debug info suppressed for this function.
4362         (dbxout_begin_function): Early exit if debug info suppressed for
4363         this function.
4364
4365 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4366
4367         PR target/20007
4368         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4369         find_basic_blocks.
4370         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4371
4372         PR tree-optimization/19967
4373         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4374         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4375         argument TYPE.  Adjust calls to fold_builtin_XXX.
4376         (expand_builtin, fold_builtin_1): Adjust calls to
4377         expand_builtin_XXX.
4378         (fold_builtin_strchr, fold_builtin_strpbrk,
4379         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4380         result to a requested type TYPE.
4381
4382 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4383
4384         PR middle-end/19857
4385         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4386         (T)x & (T)cst if (T)cst overflows.
4387         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4388         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4389
4390 2005-02-15  Jeff Law  <law@redhat.com>
4391
4392         * gcse.c (blocks_with_calls): New bitmap.
4393         (alloc_gcse_mem): Allocate it.
4394         (free_gcse_mem): Free it.
4395         (clear_modifY_mem_tables): Clear it.
4396         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4397         when we encounter CALL_INSNs.
4398         (compute_transp, case MEM): Handle blocks with calls separate
4399         from blocks without calls.  Use bitmap iterators rather than
4400         FOR_EACH_BB.
4401
4402 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4403
4404         PR bootstrap/18810
4405         * mklibgcc.in (vis_hide): Use a temporary object file, not
4406         -o /dev/null.
4407
4408 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4409
4410         PR target/19924
4411         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4412         access optimization.
4413
4414 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4415             Alan Modra  <amodra@bigpond.net.au>
4416
4417         PR target/19019
4418         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4419         (_xlqsub): Rename to __gcc_qsub.
4420         (_xlqmul): Rename to __gcc_qmul.
4421         (_xlqdiv): Rename to __gcc_qdiv.
4422         Provide versioned symbol aliases with old names.
4423         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4424         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4425         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4426         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4427         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4428
4429 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4430
4431         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4432         Fold ~(A - 1) and ~(A + -1) to -A.
4433
4434 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4435
4436         PR pch/14940
4437         PR target/19300
4438         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4439         config/pa/pa-host.c:pa_gt_pch_use_address.
4440
4441 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4442
4443         * tree-vn.c (get_value_handle): Make sure that given an
4444         is_gimple_min_invariant expression, we always return it.
4445
4446 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4447
4448         * passes.c (rest_of_handle_gcse): Fix a comment.
4449
4450 2005-02-15  Jeff Law  <law@redhat.com>
4451
4452         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4453         bitmap.
4454         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4455         (canon_list_insert, record_last_mem_set_info): Similarly.
4456         (clear_modify_mem_tables): Similarly.
4457
4458 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4459
4460         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4461         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4462         config/mips/mips.md, config/rs6000/aix.h,
4463         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4464
4465 2005-02-15  Richard Henderson  <rth@redhat.com>
4466
4467         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4468         call to be best_edge.
4469
4470 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4471
4472         * basic-block.h: Adjust the prototype for find_basic_blocks.
4473         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4474         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4475         find_basic_blocks.
4476
4477         * flow.c (recompute_reg_usage): Remove all arguments.
4478         * passes.c (rest_of_compilation): Adjust the call to
4479         recompute_reg_usage.
4480         * rtl.h: Adjust the prototype for recompute_reg_usage.
4481
4482 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4483
4484         * tree-dump.c (dump_files): Update to reflect new member
4485         of dump_file_info.
4486         (dump_register): Add new argument.
4487         Set glob name.
4488         (dump_switch_p_1): Check against glob name if doglob was passed.
4489         (dump_switch_p): Check against regular first, then glob if
4490         we didn't have any hits on the dump name.
4491         * tree-optimize.c (register_one_dump_file):
4492         Pass in glob name as well.
4493         * tree-pass.h (struct dump_file_info): Add glob
4494         member.
4495
4496 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4497
4498         PR preprocessor/16323
4499         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4500
4501 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4502
4503         PR target/19019
4504         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4505         (trunctfdf2_internal1): New.
4506         (trunctfdf2_internal2): Renamed from trunctfdf2.
4507
4508 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4509
4510         PR tree-optimization/19853
4511         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4512
4513 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4514
4515         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4516         delete_dead_jumptables and cleanup_cfg.
4517
4518 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4519
4520         * reload.c (find_reloads): Swap address_reloaded flags when
4521         swapping commutative operands.
4522
4523 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4524
4525         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4526         Use standard_iv_increment_position for computing the bsi position
4527         for create_iv.
4528         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4529         the bsi position.
4530
4531 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4532
4533         PR target/17428
4534         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4535         life range of hard registers.
4536         * value-prof.c (insn_prefetch_values_to_profile): Only
4537         scan normal insns.
4538
4539         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4540         profile in libcalls.
4541
4542 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4543
4544         * bitmap.h (bitmap_and_compl_into): Return bool.
4545         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4546
4547 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4548
4549         PR tree-optimization/19944
4550         * fold-const.c (fold): Re-add ABS_EXPR folding.
4551
4552 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4553
4554         PR target/19019
4555         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4556         {TARGET,MASK}_XL_COMPAT.
4557         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4558         MASK_XL_COMPAT.
4559         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4560         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4561         TARGET_XL_COMPAT.
4562         (rs6000_arg_partial_bytes): Same.
4563         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4564         and XL compatibility enabled.
4565         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4566         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4567         test to final condition.
4568         (cmptf_internal2): New.
4569         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4570         xl-compat.  Add TFmode information to description.
4571
4572 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4573
4574         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4575
4576 2005-02-13  Jason Merrill  <jason@redhat.com>
4577
4578         PR c++/16405
4579         * fold-const.c (fold_indirect_ref_1): Split out from...
4580         (build_fold_indirect_ref): Here.
4581         (fold_indirect_ref): New fn.
4582         * tree.h: Declare it.
4583         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4584         (gimplify_modify_expr_rhs): Likewise.
4585         (gimplify_expr): Likewise.
4586
4587 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4588
4589         PR tree-optimization/14303
4590         PR tree-optimization/15784
4591         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4592         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4593         ABS_EXPR<x> != 0 to x != 0.
4594
4595 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4596
4597         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4598         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4599         spelling conventions.
4600
4601         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4602         delete_trivially_dead_insns too many times.
4603
4604         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4605         tem and tem2.
4606
4607 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4608
4609         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4610         (vect_is_simple_iv_evolution): Remove redundant parameter
4611         and step check.
4612         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4613         without last parameter.
4614         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4615         Return pointer step. Call vect_is_simple_iv_evolution without
4616         last parameter. Check only that the step is multiple of size
4617         type. Remove stmt_vinfo updates.
4618         (vect_get_memtag_and_dr): Remove.
4619         (vect_get_memtag): New function.
4620         (vect_address_analysis): New function.
4621         (vect_object_analysis): New function.
4622         (vect_analyze_data_refs): Call vect_object_analysis and
4623         vect_get_memtag. Update stmt_vinfo fields.
4624
4625 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4626
4627         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4628         exist and are objects. Remove checks for pointer.
4629         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4630         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4631         (vect_create_data_ref_ptr): Likewise.
4632         (vect_base_addr_differ_p): New function.
4633         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4634         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4635         Don't set the DR_BASE_NAME field of data-ref.
4636         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4637
4638 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4639
4640         * optabs.h (enum optab_index): Add new OTI_ldexp.
4641         (ldexp_optab): Define corresponding macro.
4642         * optabs.c (init_optabs): Initialize ldexp_optab.
4643         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4644         patterns.
4645         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4646         using ldexp_optab.
4647         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4648         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4649
4650         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4651         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4652         intrinsics.
4653
4654 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4655
4656         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4657         to base_address.
4658         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4659         stmt_vec_info.
4660         (vect_get_base_and_offset): Always return an address.
4661         (vect_create_addr_base_for_vector_ref): Remove treatment for
4662         different data reference types.
4663         (vect_compute_data_ref_alignment): Rename base to base_address in
4664         stmt_vec_info. Get the object in order to force its alignment.
4665         (vect_get_memtag_and_dr): Rename base to base_address in
4666         stmt_vec_info. Extract the object for memtag analysis.
4667
4668 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4669
4670         PR regression/19898.
4671         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4672         changes cc_status, use apply modified_in_p to part of cc_status
4673         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4674         body.
4675
4676 2005-02-11  Richard Henderson  <rth@redhat.com>
4677
4678         * tree-complex.c (expand_complex_libcall): New.
4679         (expand_complex_multiplication): Use it for c99 compliance.
4680         (expand_complex_division): Likewise.
4681         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4682         (fold): Call them.
4683         * builtins.c (built_in_names): Remove const.
4684         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4685         builtins.
4686         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4687         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4688         (built_in_names): Remove const.
4689         * c-common.c (c_common_type_for_mode): Handle complex modes.
4690         * flags.h, toplev.c (flag_complex_method): Rename from
4691         flag_complex_divide_method.
4692         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4693         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4694         * libgcc2.h: Declare them.
4695         * libgcc-std.ver: Export them.
4696         * mklibgcc.in (lib2funcs): Build them.
4697
4698 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4699
4700         PR tree-optimization/19876
4701         Partially revert my change from 2005-01-14
4702         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4703         (compute_antic): ...and remove the loop here.
4704
4705 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4706
4707         PR middle-end/19858
4708         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4709         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4710
4711         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4712         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4713
4714 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4715
4716         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4717         offsets for the big-endian 32-bit case.
4718
4719 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4720
4721         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4722
4723 2005-02-11  Dale Johannesen  <dalej@apple.com>
4724
4725         * cselib.c (cselib_process_insn):  Clear out regs where
4726         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4727         * reload.c (find_equiv_reg): Ditto.
4728
4729 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4730
4731         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4732         with no elements.
4733
4734         * tree.c (build_function_type_list): Work correctly if there are
4735         no arguments.
4736
4737 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4738
4739         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4740         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4741         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4742         TARGET_ZARCH instead of TARGET_64BIT.
4743
4744 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4745
4746         * config/rs6000/t-rtems:
4747         (MULTILIB_OPTIONS): Remove mcpu=602.
4748         (MUTLILIB_DIRNAMES): Remove m602.
4749         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4750         Let mcpu=602 match mcpu=603.
4751         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4752
4753 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4754
4755         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4756         signal trampolines.
4757
4758 2005-02-10  David Daney  <ddaney@avtrex.com>
4759
4760         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4761         * config/i386/linux-unwind.h: Likewise.
4762         * config/ia64/linux-unwind.h: Likewise.
4763         * config/mips/linux-unwind.h: Likewise.
4764         * config/pa/linux-unwind.h: Likewise.
4765         * config/rs6000/linux-unwind.h: Likewise.
4766         * config/s390/linux-unwind.h: Likewise.
4767         * config/sh/linux-unwind.h: Likewise.
4768         * config/sparc/linux-unwind.h: Likewise.
4769
4770 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4771
4772         PR tree-optimization/17549
4773         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4774         TER to replace a DEF with its expression if the DEF and the
4775         rhs of the expression we replace into have the same root
4776         variable.
4777
4778 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4779
4780         * config/mips/mips.md: Fix the placement of the match_scratch in the
4781         lea64 peephole2.
4782
4783 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4784
4785         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4786         Fix comment typos.
4787
4788 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4789
4790         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4791         (strip_offset): Handle addresses.
4792         (add_address_candidates): Use strip_offset.
4793         (difference_cost): Reflect strip_offset change.
4794         (force_var_cost, difference_cost): Strip nops.
4795
4796 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4797
4798         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4799
4800         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4801         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4802         config/cris/cris-protos.h, config/cris/cris.c: Update
4803         copyright.
4804
4805 2005-02-10  Jeff Law  <law@redhat.com>
4806
4807         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4808         (lookup_avail_expr): Similarly.
4809
4810 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4811
4812         * builtins.c (fold_builtin_powi): New function.
4813         (fold_builtin_1): Call it.
4814
4815 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4816
4817         PR documentation/19309
4818         * doc/cpp.texi: The __GNUC__ and related predefined macros
4819         are also defined for the "standalone" cpp.
4820         Some non-GCC compilers may also define __GNUC__.
4821
4822 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4823
4824         PR c/19342
4825         * c-typeck.c (common_type): New routine.  Old common_type renamed
4826         to...
4827         (c_common_type): ...this.
4828         (build_conditional_expr, build_binary_op): Use c_common_type instead
4829         of common_type.
4830
4831 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4832
4833         * doc/md.texi: Replace @samp{length} with @code{length}.
4834
4835 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4836
4837         PR tree-optimization/18687
4838         * tree-flow.h (find_loop_niter): Declare.
4839         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4840         Try using scev even for loops with more than one exit.
4841         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4842         (struct ivopts_data): Added niters field.
4843         (struct nfe_cache_elt): New.
4844         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4845         functions.
4846         (tree_ssa_iv_optimize_init): Initialize niters cache.
4847         (determine_number_of_iterations): Removed.
4848         (find_induction_variables): Do not call determine_number_of_iterations.
4849         Access niters for single exit through niter_for_single_dom_exit.
4850         (add_iv_outer_candidates): Access niters for single exit through
4851         niter_for_single_dom_exit.
4852         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4853         number_of_iterations_cond.
4854         (iv_period): New function.
4855         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4856         (may_replace_final_value): Take data argument.  Use
4857         niter_for_single_dom_exit.
4858         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4859         (rewrite_use_compare): Pass data to may_eliminate_iv.
4860         (rewrite_use_outer): Pass data to may_replace_final_value.
4861         (free_loop_data): Clean up the niters cache.
4862         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4863         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4864         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4865         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4866         (num_ending_zeros): Moved to tree.c.
4867         * tree.h (num_ending_zeros): Declare.
4868         * tree.c (num_ending_zeros): Moved from tree.c.
4869
4870 2005-02-09  Richard Henderson  <rth@redhat.com>
4871
4872         * builtins.c (DEF_BUILTIN): Add COND argument.
4873         * tree.h (DEF_BUILTIN): Likewise.
4874         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4875         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4876         match.
4877         (DEF_BUILTIN_STUB): New.
4878         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4879         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4880         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4881         * c-common.c (DEF_BUILTIN): Add COND argument.
4882         * tree.c (local_define_builtin): New.
4883         (build_common_builtin_nodes): New.
4884
4885 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4886
4887         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4888         floating point expression ignoring the sign of the result.
4889         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4890         (fold) <MULT_EXPR>: Use it to simplify x*x.
4891         * tree.h (fold_strip_sign_ops): Prototype here.
4892         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4893         argument.  Use fold_strip_sign_ops to simplify the first argument.
4894         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4895         first argument when the second argument is an even integer
4896         constant, but only with -funsafe_math_optimizations.
4897         (fold_builtin_1): Update call to fold_builtin_copysign.
4898
4899 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4900
4901         PR middle-end/19583
4902         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4903         just check whether EH_FILTER_FAILURE falls through.
4904
4905 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4906
4907         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4908         insns return to ready list in the next turn.
4909
4910 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4911
4912         PR middle-end/19402
4913         * builtins.def: New __builtin_powi[lf].
4914         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4915         (expand_builtin_powi): New function.
4916         (expand_builtin): Dispatch to expand_builtin_powi.
4917         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4918         * libgcc2.c: Add __builtin_powi[lf] implementation.
4919         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4920         * optabs.h: Add powi_optab.
4921         * optabs.c (init_optabs): Initialize powi_optab.
4922         * doc/extend.texi: Document __builtin_powi[lf].
4923
4924 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4925
4926         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4927         exists.
4928
4929 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4930
4931         PR middle-end/19854
4932         * fold-const.c (try_move_mult_to_index): Remove redundant
4933         type argument.  Create ADDR_EXPR with correct type.
4934         (fold): Update callers of try_move_mult_to_index.  Convert
4935         result to the appropriate type.
4936
4937 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4938
4939         PR target/19597
4940         * config/avr/avr.c (default_rtx_costs): Delete.
4941         (avr_operand_rtx_cost): New function.
4942         (avr_rtx_costs): Completely rewrite.
4943
4944 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4945
4946         PR target/19806
4947         * config/cris/cris.c (in_code): New variable.
4948         (cris_output_addr_const): Now a static function, a wrapper for
4949         output_addr_const.
4950         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4951         case from old cris_output_addr_const.
4952         (cris_asm_output_label_ref): Similar for LABEL_REF.
4953         (cris_output_addr_const_extra): Similar for UNSPEC.
4954         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4955         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4956         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4957         declaration.
4958         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4959         (cris_asm_output_label_ref): Declare.
4960
4961 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4962
4963         PR preprocessor/19801
4964         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4965         filenames that changed when libcpp was moved to the toplevel.
4966
4967 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4968
4969         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4970         zero extensions of BImode operands.  Call lowpart_subreg instead
4971         of gen_lowpart_common and gen_lowpart_SUBREG.
4972
4973 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4974
4975         PR ada/19489
4976         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4977         * configure.ac: Set cc_for_cross_gnattools.
4978         * configure: Regenerate.
4979
4980 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4981
4982         PR target/19803
4983         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4984
4985 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4986
4987         PR debug/19327
4988         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4989         of nested functions.
4990
4991 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4992
4993         * doc/extend.texi: Document deprecated extensions allowing
4994         static floating-point members to have initializers and allowing
4995         floating-point literals in integral constant expressions.
4996
4997 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4998
4999         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5000         config/darwin7.h, config/mips/mips.c,
5001         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5002         Update copyright.
5003
5004         * cse.c: Update comments.
5005
5006 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
5007
5008         PR middle-end/19775
5009         * builtins.c (fold_builtin_sqrt): Transform
5010         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5011         pow(x,y*0.5).
5012
5013 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
5014             Dorit Naishlos  <dorit@il.ibm.com>
5015
5016         * doc/invoke.texi (ftree-vectorizer-verbose): New.
5017         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5018         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5019         was added.
5020         * tree.h (vect_set_verbosity_level): New extern function declaration
5021         added.
5022         * tree-vectorizer.h (verbosity_levels): New enum type.
5023         * tree-vectorizer.c (vect_debug_stats): Function removed.
5024         (vect_debug_details): Likewise.
5025         (vect_verbosity_level): Global variable was defined and initialized.
5026         (vect_dump): Global variable definition.
5027         (vect_print_dump_info): New function.
5028         (vect_set_dump_settings): New function.
5029         (vect_set_verbosity_level): New function.
5030         (vectorize_loops): Add call to vect_set_dump_settings.
5031
5032         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5033         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5034         (slpeel_tree_peel_loop_to_edge): Likewise.
5035
5036         (vect_analyze_offset_expr): Call to vect_print_dump_info with
5037         appropriate verbosity level instead of call to vect_debug_details
5038         or vect_debug_stats.
5039         (vect_get_base_and_offset):
5040         (vect_create_addr_base_for_vector_ref):
5041         (get_vectype_for_scalar_type):
5042         (vect_create_data_ref_ptr):
5043         (vect_init_vector):
5044         (vect_get_vec_def_for_operand):
5045         (vect_finish_stmt_generation):
5046         (vectorizable_assignment):
5047         (vectorizable_operation):
5048         (vectorizable_store):
5049         (vectorizable_load):
5050         (vect_transform_stmt):
5051         (vect_update_ivs_after_vectorizer):
5052         (vect_do_peeling_for_loop_bound):
5053         (vect_update_inits_of_drs):
5054         (vect_do_peeling_for_alignment):
5055         (vect_transform_loop):
5056         (vect_is_simple_use):
5057         (vect_analyze_operations):
5058         (vect_is_simple_iv_evolution):
5059         (vect_analyze_scalar_cycles):
5060         (vect_analyze_data_ref_dependence):
5061         (vect_analyze_data_ref_dependences):
5062         (vect_compute_data_ref_alignment):
5063         (vect_enhance_data_refs_alignment):
5064         (vect_analyze_data_refs_alignment):
5065         (vect_analyze_data_ref_access):
5066         (vect_analyze_data_ref_accesses):
5067         (vect_analyze_pointer_ref_access):
5068         (vect_get_memtag_and_dr):
5069         (vect_analyze_data_refs):
5070         (vect_mark_relevant):
5071         (vect_stmt_relevant_p):
5072         (vect_mark_stmts_to_be_vectorized):
5073         (vect_can_advance_ivs_p):
5074         (vect_get_loop_niters):
5075         (vect_analyze_loop_form):
5076         (vect_analyze_loop):
5077         (vectorize_loops): Likewise.
5078
5079         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5080         (vect_update_inits_of_drs):
5081         (vect_do_peeling_for_alignment):
5082         (vect_transform_loop):
5083         (vect_analyze_operations):
5084         (vect_analyze_scalar_cycles):
5085         (vect_analyze_data_ref_dependences):
5086         (vect_analyze_data_refs_alignment):
5087         (vect_analyze_data_ref_accesses):
5088         (vect_analyze_data_refs):
5089         (vect_mark_stmts_to_be_vectorized):
5090         (vect_get_loop_niters):
5091         (vect_analyze_loop_form):
5092         (vect_analyze_loop): Likewise.
5093         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5094
5095 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5096
5097         PR bootstrap/19796
5098         Revert:
5099         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5100         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5101         either -ffast-math or -funsafe-math-optimizations is in use.
5102
5103         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5104         * config/mips/irix-csr.c: New file.
5105         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5106         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5107         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5108         executables.
5109
5110 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5111
5112         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5113         redundant, incorrect definitions.
5114
5115         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5116         expand.
5117         ("*tls_indirect_call"): New, reference hard regs directly.
5118         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5119
5120 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5121
5122         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5123         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5124
5125 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5126
5127         PR rtl-optimization/19800
5128         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5129         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5130         gen_lowpart.
5131
5132 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5133
5134         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5135
5136 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5137
5138         PR other/17135
5139         * doc/invoke.texi: Correct documentation of -freorder-functions.
5140
5141 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5142
5143         PR other/14402
5144         * doc/invoke.texi: Don't mention gccbug.
5145
5146 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5147             Andrew Pinski  <pinskia@physics.uc.edu>
5148             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5149
5150         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5151         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5152         into just (zero_extract:SI FOO (const_int 1) BAR).
5153
5154 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5155
5156         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5157         macro locally.  Don't give last revision date.  Use GCC version
5158         number from gcc-common.texi.
5159         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5160         revision date.  Use GCC version number from gcc-common.texi.
5161         Describe being a library as current state rather than as 3.x
5162         history.
5163         * doc/gcc.texi: Remove last update date.
5164         * doc/gccint.texi: Likewise.  Update copyright dates.
5165         * doc/install.texi: Update copyright dates.
5166
5167 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5168
5169         PR other/7549
5170         * doc/invoke.texi: Mention for each option included in -Wall that
5171         it is included in -Wall.
5172         * doc/gcc.texi: Update copyright and last modification date.
5173
5174 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5175
5176         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5177         unnecessary cast to original induction variable increments.
5178
5179 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5180
5181         PR tree-optimization/18219
5182         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5183         in distributed form.
5184
5185 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5186
5187         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5188         Set bitpos and offset later in the function.  Do nothing if the
5189         target is a register and if the bitfield lies completely outside
5190         that register.
5191         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5192         here.  Return an uninitialised register if the source value is stored
5193         in a register and the bitfield lies completely outside that register.
5194
5195 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5196
5197         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5198         not SET_DEST.
5199
5200 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5201
5202         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5203
5204 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5205
5206         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5207         * config/darwin8.h: New.
5208         * config/darwin7.h: Update comment.
5209
5210 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5211             Dorit Naishlos  <dorit@il.ibm.com>
5212
5213         * tree-vectorizer.h (LOC): New type.
5214         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5215         (loop_line_number): New field in struct _loop_vec_info.
5216         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5217
5218         * tree-vectorizer.c (input.h): Included.
5219         (find_loop_location): New function.
5220         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5221         loop line number removed.
5222         (vect_debug_details): Likewise.
5223         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5224
5225         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5226         call to vect_debug_details/stats changed from loop to loop_loc.
5227         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5228         (slpeel_tree_peel_loop_to_edge): Likewise.
5229
5230         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5231         changed from NULL to UNKNOWN_LOC.
5232         (vect_get_base_and_offset):
5233         (vect_create_addr_base_for_vector_ref):
5234         (get_vectype_for_scalar_type):
5235         (vect_create_data_ref_ptr):
5236         (vect_init_vector):
5237         (vect_get_vec_def_for_operand):
5238         (vect_finish_stmt_generation):
5239         (vectorizable_assignment):
5240         (vectorizable_operation):
5241         (vectorizable_store):
5242         (vectorizable_load):
5243         (vect_transform_stmt):
5244         (vect_update_ivs_after_vectorizer):
5245         (vect_do_peeling_for_loop_bound):
5246         (vect_do_peeling_for_alignment):
5247         (vect_transform_loop):
5248         (vect_is_simple_use):
5249         (vect_analyze_operations):
5250         (vect_is_simple_iv_evolution):
5251         (vect_analyze_scalar_cycles):
5252         (vect_analyze_data_ref_dependences):
5253         (vect_compute_data_ref_alignment):
5254         (vect_enhance_data_refs_alignment):
5255         (vect_analyze_data_ref_access):
5256         (vect_analyze_data_ref_accesses):
5257         (vect_analyze_pointer_ref_access):
5258         (vect_get_memtag_and_dr):
5259         (vect_analyze_data_refs):
5260         (vect_mark_relevant):
5261         (vect_stmt_relevant_p):
5262         (vect_mark_stmts_to_be_vectorized):
5263         (vect_can_advance_ivs_p):
5264         (vect_get_loop_niters):
5265         (vect_analyze_loop):
5266         (vectorize_loops): Likewise.
5267
5268         (vectorizable_load): Argument in call to vect_debug_details/stats
5269         changed from loop to LOOP_LOC (loop_vinfo).
5270         (vect_transform_loop):
5271         (vect_analyze_operations):
5272         (vect_analyze_scalar_cycles):
5273         (vect_analyze_data_ref_dependence):
5274         (vect_enhance_data_refs_alignment):
5275         (vect_analyze_data_ref_accesses):
5276         (vect_analyze_pointer_ref_access):
5277         (vect_analyze_data_refs):
5278         (vect_analyze_loop): Likewise.
5279
5280         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5281         changed from loop to loop_loc.
5282
5283         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5284
5285 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5286             Dorit Naishlos  <dorit@il.ibm.com>
5287
5288         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5289         declaration added.
5290         (vect_analyze_data_ref_dependences): Likewise.
5291
5292         (vect_is_simple_use): Argument changed from loop structure to
5293         loop_vect_info structure.
5294         (vect_can_advance_ivs_p): Likewise.
5295         (vect_create_index_for_vector_ref): Likewise.
5296         (vect_update_ivs_after_vectorizer): Likewise.
5297         (new_stmt_vec_info): Likewise.
5298
5299         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5300         changed from loop to loop_vinfo.
5301         (vect_create_data_ref_ptr): First argument in call to
5302         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5303         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5304         was changed from loop to loop_vinfo.
5305         (vectorizable_operation): Likewise.
5306         (vectorizable_store): Likewise.
5307         (vect_mark_stmts_to_be_vectorized): Likewise.
5308         (vect_do_peeling_for_loop_bound): First argument in call to
5309         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5310         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5311         was changed from loop to loop_vinfo.
5312         (vect_analyze_data_ref_dependences): Third argument in call to
5313         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5314
5315         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5316         (vect_create_data_ref_ptr): Likewise.
5317         (vect_init_vector): Likewise.
5318         (vect_get_vec_def_for_operand): Likewise.
5319         (vectorizable_assignment): Likewise.
5320         (vectorizable_operation): Likewise.
5321         (vectorizable_store): Likewise.
5322         (vectorizable_load): Likewise.
5323         (vect_update_ivs_after_vectorizer): Likewise.
5324         (vect_is_simple_use): Likewise.
5325         (vect_analyze_data_ref_dependence): Likewise.
5326         (vect_analyze_pointer_ref_access): Likewise.
5327         (vect_can_advance_ivs_p): Likewise.
5328
5329         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5330         before _stmt_vec_info.
5331         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5332         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5333         (new_stmt_vec_info): Argument changed from loop structure to
5334         loop_vect_info structure
5335
5336         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5337         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5338         (vect_create_addr_base_for_vector_ref): Likewise.
5339         (vect_analyze_pointer_ref_access): Likewise.
5340
5341 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5342
5343         PR tree-opt/19768
5344         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5345         phi flag if the phi is abnormal.
5346
5347 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5348
5349         PR tree-opt/19736
5350         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5351         information for the new statement.
5352
5353 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5354
5355         PR driver/19117
5356         * gcc.c (main): Include the target in -v output.
5357
5358 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5359
5360         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5361         Do not drop the extend if we'd have to add a paradoxical subreg
5362         later.  Include optabs.h and insn-codes.h.
5363         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5364
5365 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5366
5367         PR middle-end/19405
5368         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5369         * fold-const.c (const_binop): Avoid constant folding floating
5370         point operations in modes that use composite representations.
5371         * simplify-rtx.c (simplify_binary_operation): Likewise.
5372
5373 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5374
5375         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5376         a REG, not a MEM.
5377         (altivec_dstt): Likewise.
5378         (altivec_dstst): Likewise.
5379         (altivec_dststt): Likewise.
5380         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5381         of first operand.
5382
5383 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5384
5385         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5386         EXPR_LOCUS from orig_cond to the new cond_stmt.
5387         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5388         the new vec_stmt.
5389
5390 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5391
5392         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5393         standard_iv_increment_position. Remove call to bsi_next
5394         (no need to bump the iterator anymore).
5395         (vect_create_index_for_vector_ref): Call
5396         standard_iv_increment_position. Remove second function argument.
5397         (vect_finish_stmt_generation): Remove call to bsi_next
5398         (no need to bump the iterator anymore).
5399         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5400         to vect_create_index_for_vector_ref.
5401
5402 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5403
5404         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5405         phis are used out of the loop.
5406
5407 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5408
5409         PR c/17807
5410         * c-decl.c (undef_nested_function): New variable.
5411         (pop_scope): Diagnose undefined nested functions.
5412         (finish_function): Don't attempt cgraph processing or genericizing
5413         if current top-level function contained an undefined nested
5414         function.  Reset undef_nested_function at the end of a top-level
5415         function.
5416
5417 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5418
5419         * tree.c (build_int_cst_type): Take sign of the value into account
5420         when deciding whether sign extend the value.
5421
5422 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5423
5424         PR c/18502
5425         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5426         (cpp_options, cc1_options): Change %{std*&ansi} to
5427         %{std*&ansi&trigraphs}.
5428
5429 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5430
5431         * cse.c: Update comments.
5432
5433 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5434
5435         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5436         arguments go on the stack.  Do not put complex doubles in odd/even
5437         pairs.
5438
5439 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5440
5441         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5442         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5443         -ftree-pre, and -fthread-jumps.
5444
5445 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5446
5447         PR tree-optimization/19578
5448         * tree-flow.h (modified_noreturn_calls): Declare.
5449         (noreturn_call_p): Declare.
5450         * tree-flow-inline.h (noreturn_call_p): New function.
5451         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5452         * tree-cfg.c (modified_noreturn_calls): New variable.
5453         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5454         that contain a mid-block noreturn call.
5455         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5456
5457 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5458
5459         * df.c (df_def_record_1, df_uses_record): Don't use
5460         DF_FOR_REGALLOC.
5461         * df.h (DF_FOR_REGALLOC): Remove.
5462
5463 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5464
5465         PR c/19435
5466         * c-typeck.c (really_start_incremental_init): Reset
5467         constructor_max_index for arrays of incomplete type.
5468
5469 2005-02-02  Jeff Law  <law@redhat.com>
5470
5471         * gcse.c (struct reg_set): Store the block index where the register
5472         was set rather than the setting insn.
5473         (record_one_set, compute_transp): Corresponding changes.
5474         (pre_insert_copy_insn): Do not call replace_one_set.
5475         (replace_one_set): Remove.
5476
5477 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5478
5479         PR other/15514
5480         * doc/gcov.texi: Fix typo.
5481
5482 2005-02-01  Richard Henderson  <rth@redhat.com
5483
5484         PR target/19680
5485         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5486         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5487         type to bool.
5488         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5489         * config/i386/i386-protos.h: Update.
5490
5491 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5492
5493         PR tree-optimization/19217
5494         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5495         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5496         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5497         that it is walking a PHI node.
5498
5499 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5500
5501         * doc/extend.texi (Nested Functions): Update.
5502
5503 2005-02-01  Richard Henderson  <rth@redhat.com>
5504
5505         PR 19696
5506         * optabs.c (expand_copysign_absneg): Export.
5507         * optabs.h (expand_copysign_absneg): Declare.
5508         * config/rs6000/rs6000.md (copysigntf3): New.
5509
5510 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5511
5512         PR tree-optimization/19633
5513         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5514         * tree-ssa-alias.c (init_alias_info): Initialize.
5515         (merge_pointed_to_info): Set.
5516         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5517         (dump_points_to_info_for): Show value of pt_null.
5518         (struct count_ptr_d): Declare.
5519         (find_ptr_dereference): Remove.
5520         (ptr_is_dereferenced_by): Remove.
5521         (count_ptr_derefs): New local function.
5522         (count_uses_and_derefs): New local function.
5523         (compute_points_to_and_addr_escape): Call it.  If the number
5524         of dereferences is greater than zero, mark the pointer as
5525         dereferenced.  If there are fewer dereferences than uses of
5526         the pointer, the pointer's value escapes.
5527
5528 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5529
5530         PR tree-optimization/19670
5531         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5532         here...
5533         (verify_use): ... set it here, instead.
5534
5535 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5536
5537         * doc/sourcebuild.texi (Test directives): Fix formatting.
5538
5539         * doc/sourcebuild.texi (Test directives): Describe selector
5540         expressions.
5541
5542 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5543
5544         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5545         specific 64-bit CPUs.
5546
5547 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5548
5549         PR target/16201
5550         * arm.c (arm_eliminable_register): New function.
5551         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5552         HOST_WIDE_INT for address offsets.
5553         * arm-protos.h (arm_eliminable_register): Add prototype.
5554
5555 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5556
5557         PR optimization/15242
5558         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5559         * basic-block.h (duplicate_computed_gotos): Add prototype.
5560         * bb-reorder.c (duplicate_computed_gotos): New function to
5561         duplicate sufficiently small blocks ending in a computed jump.
5562         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5563         if not optimizing for size.
5564         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5565         never do tail merging for blocks ending in a computed jump.
5566         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5567
5568 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5569
5570         Patch from Richard Sandiford <rsandifo@redhat.com>
5571         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5572         from inheriting a subreg equivalence with a non-spill register.
5573
5574         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5575
5576 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5577
5578         * config/frv/frv.c (movcc_fp_destination_operand): New.
5579         (gpr_or_memory_operand): Fix typo in comment.
5580         (gpr_or_memory_operand_with_scratch): New.
5581         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5582         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5583         movcc_fp_destination_operand.
5584         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5585         Legitimize memory addresses using a scratch register.
5586
5587 2005-01-31  Jeff Law  <law@redhat.com>
5588
5589         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5590         bitmap a sparse bitmap instead of a simple bitmap.
5591         (mark_def_sites_initialize_block):  Corresponding changes.
5592         (ssa_mark_def_sites_initialize_block): Likewise.
5593         (ssa_mark_phi_uses): Likewise.
5594         (mark_def_site, ssa_mark_def_sites): Likewise.
5595         (mark_def_site_blocks): Likewise.
5596         (rewrite_ssa_into_ssa): Likewise.
5597
5598         * tree-ssa-dom.c (record_cond): Pass correct variable type
5599         for last argument to htab_find_slot_with_hash.
5600
5601         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5602         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5603
5604 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5605
5606         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5607         1_mmalua.
5608
5609 2005-02-01  Eric Christopher  <echristo@redhat.com>
5610
5611         * config/mips/mips.c (override_options): Warn if -mint64
5612         is used.
5613         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5614         deprecated.
5615
5616 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5617
5618         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5619         timestamp.
5620         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5621         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5622         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5623         (cached_regno): Initialize to INVALID_REGNUM.
5624         (cse_reg_info_table_size,
5625         cse_reg_info_table_first_uninitialized,
5626         cse_reg_info_timestamp): New.
5627         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5628         get_cse_reg_info.
5629         (init_cse_reg_info, get_cse_reg_info_1): New.
5630         (get_cse_reg_info): Cache the last look-up.
5631         (new_basic_block): Update the code to clear mappings from
5632         registers to cse_reg_info entries.
5633         (cse_main): Call init_cse_reg_info.
5634
5635         * cse.c (get_cse_reg_info): Update a comment.
5636
5637 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5638
5639         PR c/19333
5640         * c-decl.c (start_decl): Do not warn about arrays of elements with
5641         an incomplete type here.
5642         (grokdeclarator): Do it here by making a pedwarn an error.
5643         * c-typeck.c (push_init_level): If there were previous errors with
5644         the constructor type, do not warn about braces for initializers.
5645         (process_init_element): Likewise for excess initializer elements.
5646
5647 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5648
5649         * cse.c (delete_trivially_dead_insn): Don't iterate.
5650
5651 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5652
5653         * config/rs6000/rs6000.md (copysignsf3): New expand.
5654         (copysigndf3): Likewise.
5655
5656 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5657
5658         * recog.c (constrain_operands): Only look for earlyclobber operand
5659         conflicts if an '&' constraint was seen.
5660
5661 2005-01-31  Marc Espie <espie@openbsd.org>
5662
5663         * config.gcc: Don't include embedded systems fragment, switches default
5664         debugging format to ELF.
5665         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5666         longer pick it up there.
5667
5668 2005-01-31  Dale Johannesen  <dalej@apple.com>
5669
5670         * doc/extend.texi (nested functions): Fix linkage description.
5671         Clarify that static is not allowed.
5672
5673 2005-01-31  Dale Johannesen  <dalej@apple.com>
5674
5675         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5676         (movdf_low_di):  Make work.
5677
5678 2005-01-31  Dale Johannesen  <dalej@apple.com>
5679
5680         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5681         Make work for 64 bit.
5682
5683 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5684             Dale Johannesen  <dalej@apple.com>
5685
5686         PR middle-end/19650
5687         * fold-const.c (fold_binary_op_with_conditional_arg):
5688         Make types match original operands, before STRIP_NOPS.
5689
5690 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5691
5692         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5693         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5694         (struct gcc_sigcontext): Delete.  Merge contents to..
5695         (struct gcc_ucontext): ..here.
5696         (get_sigcontext): Delete.
5697         (get_regs): New function, like get_sigcontext but return regs ptr.
5698         64-bit version finds regs from r1 to support vdso.
5699         (ppc_linux_aux_vector): New function.
5700         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5701         and vector regs.
5702
5703 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5704
5705         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5706         sizetype.
5707         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5708         redundant fold. Fix misalignment for MINUS_EXPR.
5709         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5710         (vect_analyze_pointer_ref_access): Likewise.
5711         (vect_get_memtag_and_dr): Likewise.
5712
5713 2005-01-31  Richard Henderson  <rth@redhat.com>
5714
5715         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5716         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5717         absnegdf2_i387, absnegxf2_i387): Likewise.
5718
5719 2005-01-31  Richard Henderson  <rth@redhat.com>
5720
5721         PR 19696
5722         * optabs.c (expand_copysign_absneg): New.
5723         (expand_copysign_bit): Split out from ...
5724         (expand_copysign): ... here.  Use expand_copysign_absneg.
5725
5726 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5727
5728         PR middle-end/19697
5729         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5730         constant as the second operand and a register as the third.
5731
5732 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5733
5734         PR target/19704
5735         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5736         that dllimport'd functions do not use all call-clobbered registers
5737         to pass parameters.
5738
5739 2005-01-30  Richard Henderson  <rth@redhat.com>
5740
5741         PR 19696
5742         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5743         expand_abs_nojump and generalize.  Use operand_subword and
5744         emit_no_conflict_block.  Support large modes.
5745         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5746         back to maximum.
5747         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5748         negation to subtraction.
5749         (expand_copysign): Check that the format has signed zeros.
5750         Use operand_subword and emit_no_conflict_block.  Support large modes.
5751
5752 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5753
5754         Fix PR tree-optimization/19624
5755
5756         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5757         * tree-ssa-pre.c: Add cfgloop.h.
5758         Update comment.
5759         (pre_stats): New member, constified.
5760         (inserted_exprs): New static variable.
5761         (NECESSARY): New macro.
5762         (create_expression_by_pieces): Fold the expression, and
5763         mark it as defaulting to not necessary. Also put in
5764         inserted_exprs.
5765         (fully_constant_expression): New function.
5766         (insert_into_preds_of_block): Modify to not insert phis when we
5767         are playing with induction variables.
5768         Push phis onto the inserted_exprs vector, and mark them as not
5769         necessary by default.
5770         (insert_aux): Call fully_constant_expression on eprime.
5771         If all edges produce the same value, mark it constant.
5772         (mark_operand_necessary): New function.
5773         (remove_dead_inserted_code): New function.
5774         (init_pre): Init loop optimizer to get loop info.
5775         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5776         (execute_pre): Commit edge inserts, then remove dead code.
5777
5778 2005-01-30  Richard Henderson  <rth@redhat.com>
5779
5780         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5781         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5782
5783 2005-01-30  Richard Henderson  <rth@redhat.com>
5784
5785         PR target/19700
5786         * config/i386/i386.c (ix86_expand_copysign): New.
5787         (ix86_split_copysign_const): New.
5788         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5789         rearrange op1/nmask operands.
5790         * config/i386/i386-protos.h: Update.
5791         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5792         (copysigndf3): Likewise.
5793         (copysignsf3_const, copysigndf3_const): New.
5794         (copysignsf3_var): Rename from copysignsf3, split out splitter
5795         and fix split predicate for X constraint.
5796         (copysigndf3_var): Similarly.
5797
5798 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5799
5800         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5801         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5802         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5803
5804 2005-01-29  Richard Henderson  <rth@redhat.com>
5805
5806         PR target/19690
5807         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5808         of # and * in constraints.
5809
5810 2005-01-29  Richard Henderson  <rth@redhat.com>
5811
5812         PR middle-end/19689
5813         * expr.c (store_field): Don't strip sub-mode cast when the input
5814         data is even smaller.
5815
5816 2005-01-29  Richard Henderson  <rth@redhat.com>
5817
5818         PR middle-end/19687
5819         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5820         union being empty.
5821
5822 2005-01-29  Richard Henderson  <rth@redhat.com>
5823
5824         * combine.c (make_field_assignment): Fix argument order
5825         to gen_int_mode.
5826
5827 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5828
5829         PR tree-optimization/15791
5830         * fold-const.c (extract_array_ref): New function.
5831         (fold): Fold comparisons between &a[i] and &a[j] or
5832         semantically equivalent trees.
5833
5834 2005-01-29  Jeff Law  <law@redhat.com>
5835
5836         * gcse.c (insert_expr_in_table): Revamp handling of available
5837         and anticipatable occurrence lists to avoid unnecessary list
5838         walking.
5839         (insert_set_in_table): Similarly.
5840
5841 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5842
5843         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5844         build string type.
5845         (c_build_qualified_type): Build qualified array types with
5846         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5847         * c-decl.c (c_make_fname_decl): Build unqualified array type
5848         before qualified type.
5849         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5850         type is qualified, not just if type itself is.  Don't apply
5851         qualifiers to array type when declarator is processed.  Apply
5852         qualifiers to field type whether or not it is an array type.
5853         Don't handle array types specially for applying qualifiers to
5854         variables.
5855         * c-typeck.c (composite_type): Build unqualified element type and
5856         array type when forming composite of array types.
5857         (common_pointer_type, comptypes, comp_target_types,
5858         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5859         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5860         types.
5861         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5862         (args2) in variables a1 and a2.
5863
5864 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5865
5866         * cse.c (n_elements_made, max_elements_made): Remove.
5867         (insert): Don't touch n_elements_made.
5868         (cse_main): Don't touch n_elements_made or max_elements_made.
5869
5870 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5871
5872         PR target/15384
5873         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5874         configuration part of dp-bit.c to be lost.
5875
5876 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5877
5878         * expmed.c (expand_mult_highpart_optab): When attempting to use
5879         a non-widening multiplication in a wider mode, the operands need
5880         to be converted (zero or sign extended) to that mode.
5881
5882 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5883
5884         PR middle-end/16558
5885         PR middle-end/19583
5886         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5887         through if both operands fall through.
5888
5889 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5890
5891         * cse.c (fold_rtx) <PC>: Don't optimize.
5892
5893 2005-01-28  Jeff Law  <law@redhat.com>
5894
5895         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5896         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5897
5898 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5899
5900         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5901         cse_reg_info_used_list_end): Remove.
5902         (cse_reg_info_list, cse_reg_info_list_free): New.
5903         (get_cse_reg_info): When allocating an instance of
5904         cse_reg_info, add it to the beginning of the cse_reg_info_list
5905         list.  Remove code to maintain cse_reg_info_used_list.
5906         (new_basic_block): Reset the free list to the beginning of
5907         cse_reg_info_list.
5908
5909 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5910
5911         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5912         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5913         (frv_expand_mdpackh_builtin): New function.
5914         (frv_expand_builtin): Use it to expand __MDPACKH.
5915         * doc/extend.texi (__MDPACKH): Update documentation.
5916
5917 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5918
5919         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5920         SSE_FLOAT_MODE_P for use_sse computation.
5921
5922 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5923
5924         PR target/19663
5925         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5926
5927 2005-01-27  Richard Henderson  <rth@redhat.com>
5928
5929         * builtins.c (expand_builtin_copysign): New.
5930         (expand_builtin): Call it.
5931         * genopinit.c (optabs): Add copysign_optab.
5932         * optabs.c (init_optabs): Initialize it.
5933         (expand_copysign): New.
5934         * optabs.h (OTI_copysign, copysign_optab): New.
5935         (expand_copysign): Declare.
5936
5937         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5938         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5939
5940         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5941         (ix86_expand_fp_absneg_operator): ... here.
5942         (ix86_split_copysign): New.
5943         * config/i386/i386-protos.h: Update.
5944         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5945         (copysignsf3, copysigndf3): New.
5946
5947         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5948         (copysignsf3, ncopysignsf3): New.
5949         (copysigndf3, ncopysigndf3): New.
5950         (copysignxf3, ncopysignxf3): New.
5951         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5952
5953 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5954             Kazu Hirata  <kazu@cs.umass.edu>
5955
5956         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5957         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5958         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5959         NULL_RTX.
5960
5961 2005-01-27  Jeff Law  <law@redhat.com>
5962
5963         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5964         definitions of SSA_NAMEs which are not being rewritten.
5965         (rewrite_ssa_into_ssa): Only initialize the current definition
5966         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5967         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5968         SSA_NAMEs before returning.
5969
5970 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5971
5972         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5973         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5974         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5975         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5976         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5977
5978 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5979
5980         PR middle-end/17278
5981         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5982         higher to -O2 and higher.  Likewise for tree PRE.
5983         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5984         and better.
5985
5986 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5987
5988         PR middle-end/19583
5989         * gimple-low.c (try_catch_may_fallthru): New static function.
5990         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5991         * tree-inline.c (expand_call_inline): Don't warn about reaching
5992         the end of a non-void function being inlined if the function uses
5993         a return slot.
5994
5995 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5996
5997         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5998
5999         PR c/18946
6000         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6001         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6002         (implicitly_declare): Handle error_mark_node.
6003
6004 2005-01-27  Richard Henderson  <rth@redhat.com>
6005
6006         PR tree-opt/14329
6007         * tree.h (struct tree_decl): Add debug_expr_is_from.
6008         (DECL_DEBUG_EXPR_IS_FROM): New.
6009         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6010         * dwarf2out.c (dwarf2out_var_location): Update to match.
6011         * tree-outof-ssa.c (create_temp): Likewise.
6012         * var-tracking.c (track_expr_p): Likewise.
6013         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6014         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6015         * toplev.c (default_tree_printer): Likewise.
6016
6017 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
6018
6019         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6020         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6021
6022 2005-01-27  Steven Bosscher  <stevenb@suse.de>
6023
6024         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6025         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6026         ASM_CLOBBERS): Add tree checks.
6027
6028         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6029         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6030         * c-common.def (SWITCH_STMT): Update to match.
6031         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6032         macros instead of SWITCH_EXPR ones.
6033         * c-dump.c (c_dump_tree): Likewise.
6034         * c-gimplify.c (gimplify_switch_stmt): Likewise.
6035         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6036
6037         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6038
6039 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
6040
6041         * unwind-dw2.c (execute_stack_op): Add missing cases for
6042         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6043
6044 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
6045
6046         * config.gcc (Obsolete configurations): Remove 'dummy', add
6047         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6048         sparc-*-openbsd*.
6049
6050 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
6051
6052         PR tree-optimization/19633
6053         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6054         CALL_EXPRs.
6055         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6056         are no call-clobbered variables.
6057         * tree-outof-ssa.c (check_replaceable): Return false for calls
6058         with side-effects.
6059
6060 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6061
6062         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6063         even for variables with NULL DECL_INITIAL.
6064
6065 2005-01-26  Stuart Hastings  <stuart@apple.com>
6066
6067         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6068
6069 2005-01-26  Richard Henderson  <rth@redhat.com>
6070
6071         PR middle-end/18008
6072         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6073         field's type.
6074         * expr.c (store_field): Strip conversions to odd-bit-sized types
6075         if the destination field width matches.
6076
6077 2005-01-26  Richard Henderson  <rth@redhat.com>
6078
6079         * c-decl.c, expmed.c, expr.c: Revert last change.
6080
6081 2005-01-26  Richard Henderson  <rth@redhat.com>
6082
6083         PR middle-end/18008
6084         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6085         field's type.
6086         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6087         if we don't need the bits above those present in the current mode.
6088         * expr.c (store_field): Strip conversions to odd-bit-sized types
6089         if the destination field width matches.
6090
6091 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6092
6093         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6094         either -ffast-math or -funsafe-math-optimizations is in use.
6095
6096 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6097
6098         PR target/19293
6099         PR target/19329
6100         * config/avr/avr.c (notice_update_cc): Only set condition code for
6101         ashrqi3 if shift count > 0.
6102         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6103         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6104         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6105         count <= 0 as a no-op, and shift count >= width by copying zero
6106         or sign bit to all bits of the result.
6107         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6108         count, with attribute "length" set to 0 and "cc" set to "none".
6109
6110 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6111
6112         * doc/invoke.texi: Document -mTLS.
6113
6114         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6115         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6116         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6117         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6118         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6119         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6120         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6121         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6122
6123         * configure.ac: Check for a TLS capable gas.
6124
6125         * configure: Regenerate.
6126
6127 2005-01-26  Richard Henderson  <rth@redhat.com>
6128
6129         PR middle-end/18008
6130         * combine.c (make_field_assignment): Simplify store to zero_extract
6131         from a source with an overlapping mask.
6132
6133 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6134
6135         2004-11-11  Eric Christopher  <echristo@redhat.com>
6136
6137         * config/frv/frv.md: Add fr400_integer automaton. Don't
6138         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6139         to TYPE_MACC.
6140
6141 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6142
6143         PR middle-end/16585
6144         * cfgbuild.c (make_edges): Do not clear or set
6145         current_function_has_computed_jump.
6146         * function.h (struct function): Remove the has_computed_jump field.
6147         (current_function_has_computed_jump): Do not define.
6148         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6149         in a computed jump.  Ignore current_function_has_computed_jump.
6150
6151 2005-01-26  Richard Henderson  <rth@redhat.com>
6152
6153         PR middle-end/19515
6154         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6155         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6156         fully initialized.
6157         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6158         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6159         objects into static storage if they have more than one non-zero value.
6160         * tree.h (categorize_ctor_elements): Update decl.
6161
6162 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6163
6164         PR middle-end/19616
6165         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6166         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6167         to this function from 2004-07-10.
6168         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6169         the current function for tail call optimizations if the address
6170         of one of it its arguments is taken.
6171
6172 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6173
6174         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6175
6176 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6177
6178         * function.c (expand_function_end): If current_function_calls_alloca,
6179         emit stack restore in a place that is reached when the function falls
6180         through at the end.
6181
6182 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6183
6184         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6185         rule to avoid matching inappropriate suffix rule.
6186
6187 2005-01-26  Jan Hubicka  <jh@suse.cz>
6188
6189         PR tree-optimization/19241
6190         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6191
6192 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6193
6194         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6195         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6196         of doubling.
6197         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6198         <sim*>: Always use crt1.o, regardless of N in simN.
6199         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6200         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6201         (CRT_CALL_STATIC_FUNCTION): Remove.
6202         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6203         use crt1.o, regardless of N in simN.
6204         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6205         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6206         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6207         case isystem setting.
6208         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6209
6210 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6211
6212         * gimple-low.c (block_may_fallthru): Correct handling of
6213         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6214
6215 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6216
6217         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6218         handlers to match indentation; nested under the mtune=* handler.
6219         Similar for mcpu= and march=.
6220
6221 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6222
6223         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6224         * config/mips/linux64.h (LIB_SPEC): Likewise.
6225         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6226         * config/sh/linux.h (LIB_SPEC): Likewise.
6227
6228 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6229
6230         * config/frv/frv.c (frv_legitimize_tls_address): New.
6231         (TARGET_HAVE_TLS): Define.
6232         (FRV_SYMBOL_REF_TLS_P): Define.
6233         (frv_override_options): Handle new register classes.
6234         (frv_legitimate_address_p): Reject tls addresses.
6235         (frv_legitimize_address): Handle TLS addresses.
6236         (gen_inlined_tls_plt): New.
6237         (gen_tlsmoff): New.
6238         (frv_legitimize_tls_address): New.
6239         (unspec_got_name): Add TLS entries.
6240         (got12_operand): Add R_FRV_TLSMOFF12 case.
6241         (frv_emit_move): Fixup TLS addresses.
6242         (frv_emit_movsi): Legitimize TLS addresses.
6243
6244         * config/frv/frv.h (MASK_BIG_TLS): New.
6245         (TARGET_BIG_TLS): New.
6246         (HAVE_AS_TLS): Define.
6247         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6248         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6249         (REG_CLASS_NAMES): Same.
6250         (REG_CLASS_CONTENTS): Same.
6251         (CONSTRAINT_LEN): New.
6252         (REG_CLASS_FROM_CONSTRAINT): New.
6253         (PREDICATE_CODES): Add symbolic_operand.
6254
6255         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6256         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6257         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6258         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6259         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6260         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6261         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6262         GR9_REG, GR14_REG, LRREG.
6263         (type): Add load_or_call attribute.
6264         ("load_or_call"): New reservation.
6265         ("call_gettlsoff"): New.
6266         ("tls_indirect_call"): New.
6267         ("tls_load_gottlsoff12"): New.
6268         ("tlsoff_hilo"): New.
6269         ("tls_tlsdesc_ldd"): New.
6270         ("tls_tlsoff_ld"): New.
6271         ("tls_lddi"): New.
6272
6273         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6274
6275         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6276
6277         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6278         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6279         * config/frv/frv.c (TLS_BIAS): Define.
6280         (frv_output_dwarf_dtprel): New.
6281
6282 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6283
6284         PR rtl-optimization/19579
6285         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6286         both A and B, see if they don't clobber registers the other expr uses.
6287
6288 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6289
6290         * real.c (do_add): Initialize signalling and canonical members.
6291
6292         * real.c (real_from_integer): Zero out destination.
6293
6294 2005-01-18  Jan Hubicka  <jh@suse.cz>
6295
6296         PR tree-optimize/19337
6297         * tree-inline.c (initialize_inlined_parameters): Copy
6298         saved_static_chain_decl only.
6299
6300 2005-01-25  Richard Henderson  <rth@redhat.com>
6301
6302         PR target/19556
6303         PR target/19584
6304         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6305         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6306         80387 enabled, to return a proper subclass.  Return the subset that
6307         overlaps with GENERAL_REGS for PLUS.
6308         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6309
6310 2005-01-25  Richard Henderson  <rth@redhat.com>
6311
6312         PR middle-end/19609
6313         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6314
6315 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6316
6317         * expmed.c (choose_multiplier): Change interface to return the
6318         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6319         (expand_divmod): Update calls to choose_multiplier.
6320
6321 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6322
6323         PR middle-end/19330
6324         * expmed.c (extract_bit_field): Use adjust_address instead of
6325         gen_lowpart when op0 is a MEM.
6326
6327 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6328
6329         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6330
6331 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6332
6333         * config/mips/irix-csr.c: New file.
6334         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6335         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6336         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6337         executables.
6338
6339 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6340
6341         PR bootstrap/19364
6342         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6343         sparc/elf.h, add sparc/sp-elf.h.
6344         (sparc-*-rtems*): Likewise.
6345         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6346         tm-dwarf2.h, add sparc/sp-elf.h.
6347         (sparc86x-*-elf): Likewise.
6348         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6349         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6350         TARGET_OS_CPP_BUILTINS.
6351         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6352         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6353         Undefine it.
6354         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6355         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6356         (SWITCH_TAKES_ARG): Likewise.
6357         (LOCAL_LABEL_PREFIX): Likewise.
6358         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6359         (TARGET_N_FORMAT_TYPES): Delete.
6360         (TARGET_FORMAT_TYPES): Likewise.
6361         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6362         * config/sparc/elf.h: Delete.
6363         * config/sparc/sp-elf.h: New file.
6364
6365 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6366
6367         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6368         * tree-flow.h: Remove the corresponding prototype.
6369         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6370         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6371
6372 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6373
6374         PR target/17751
6375         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6376         for AIX ABI or ELF -fPIC.
6377         (rs6000_emit_load_toc_table): Don't create toc_section here.
6378         (rs6000_xcoff_file_start): Nor here.
6379
6380 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6381
6382         * sh.c (ra.h): Don't #include.
6383         (hard_regs_intersect_p): New function, resurrected from ra.c.
6384
6385         * sh.c: Fix 1996 Copyright.
6386
6387 2005-01-24  Richard Henderson  <rth@redhat.com>
6388             Aldy Hernandez  <aldyh@redhat.com>
6389
6390         * regrename.c (note_sets): Handle subregs.
6391
6392 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6393
6394         PR bootstrap/18058
6395         * genconditions.c (write_header, write_conditions): Elide file if
6396         not GCC >= 3.0.1.
6397
6398 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6399
6400         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6401         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6402         Update copyright.
6403
6404 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6405
6406         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6407         expand_builtin_printf, expand_builtin_fprintf,
6408         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6409         checking against POINTER_TYPE.
6410         (validate_arglist): Handle POINTER_TYPE code by checking
6411         POINTER_TYPE_P.
6412
6413 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6414
6415         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6416         init_rtlanal): New.
6417         (for_each_rtx): Call for_each_rtx_1.
6418         * rtl.h (init_rtlanal): Declare.
6419         * toplev.c (backend_init): Call init_rtlanal.
6420
6421 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6422
6423         * flow.c (propagate_one_insn): Formatting.
6424
6425         PR middle-end/19551
6426         * flow.c (libcall_dead_p): Be more conservative if unsure.
6427         If there are any instructions between insn and call, see if they are
6428         all dead before saying the libcall is dead.
6429
6430 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6431
6432         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6433         operand constraint for operand 0.
6434
6435 2005-01-23  Richard Henderson  <rth@redhat.com>
6436
6437         PR 19486
6438         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6439         edges leading to join block.
6440
6441 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6442
6443         * expmed.c (expand_mult_highpart): Make static.  Change type of
6444         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6445         (expand_divmod): Updates calls to expand_mult_highpart by using
6446         gen_int_mode to pass a CONST_INT rtx.
6447         * rtl.h (expand_mult_highpart): Remove prototype.
6448
6449 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6450
6451         * flow.c (regset_bytes, regset_size): Remove.
6452
6453         * cfganal.c: Fix a reference to Harvey's paper.
6454
6455 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6456
6457         PR rtl-optimization/19464
6458         * tree-optimize.c (init_tree_optimization_passes): Add one more
6459         copyrename pass just before out-of-ssa.
6460
6461 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6462
6463         PR bootstrap/18058
6464         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6465         * ggc-none.c (ggc_free): Define.
6466
6467 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6468
6469         * cse.c (max_reg, max_insn_uid): Remove.
6470         (cse_main): Don't access max_reg or max_insn_uid.
6471
6472         * c-common.c (explicit_flag_signed_bitfields,
6473         lang_statement_code_p, lang_expand_function_end): Remove.
6474         * c-common.h: Remove the corresponding declarations.
6475         * c-opts.c (c_common_handle_option): Remove all write access
6476         to explicit_flag_signed_bitfields.
6477
6478         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6479         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6480         * cgraph.h: Remove the corresponding declaration.
6481
6482         * gcse.c (null_pointer_info): Remove.
6483
6484 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6485             Eric Botcazou  <ebotcazou@libertysurf.fr>
6486
6487         * combine.c (simplify_logical): Only simplify logical expressions
6488         of the form ior(and(x,y),z) by the inverse distributive law if the
6489         result is cheaper than the original.
6490
6491 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6492
6493         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6494         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6495         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6496         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6497         config/freebsd-spec.h, config/arm/arm.h,
6498         config/h8300/h8300.md, config/i386/i386.md,
6499         config/i386/predicates.md, config/i386/sse.md,
6500         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6501         config/vax/vax.md: Fix comment typos.  Follow spelling
6502         conventions.
6503
6504 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6505
6506         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6507         tests, instead of `less than'.
6508
6509 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6510
6511         * function.c (assign_parm_setup_block): When creating a new stack slot
6512         for a parameter, get its alignment from the parameter's DECL_ALIGN
6513         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6514         is at least word aligned.
6515
6516 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6517
6518         PR middle-end/19378
6519         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6520
6521 2005-01-22  Richard Henderson  <rth@redhat.com>
6522
6523         PR target/19506
6524         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6525         in both compare operands.
6526         (movdfcc_1_sse_max): Likewise.
6527         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6528         (movdfcc_1_sse): Likewise.
6529         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6530         scratch register as needed.
6531
6532 2005-01-22  Richard Henderson  <rth@redhat.com>
6533
6534         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6535
6536         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6537
6538 2005-01-22  Richard Henderson  <rth@redhat.com>
6539
6540         * genopinit.c (optabs): Use smin/smax for floating point too.
6541         * doc/md.texi: Update to match.  Clarify that floating point
6542         results are undefined for +0/-0 and NaN.
6543         * doc/rtl.texi: Likewise.
6544         * rtl.def (SMIN, SMAX): Likewise
6545         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6546
6547         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6548         leading 's' to the name.
6549         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6550         smaxxf3, sminxf3): Likewise.
6551         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6552         Likewise.
6553
6554 2005-01-22  Paul Brook  <paul@codesourcery.com>
6555
6556         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6557
6558 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6559
6560         * config/s390/s390.c (struct processor_costs): New fields
6561         dlgr, dlr, dr, dsgfr, dsgr.
6562         (z900_cost, z990_cost): Values for new fields.
6563         (s390_rtx_costs): New cases MEM und COMPARE in switch
6564         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6565         DIV, MOD, UDIV, UMOD.
6566
6567 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6568
6569         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6570         into the register being decremented.
6571         ("doloop_si31", "doloop_di"): Likewise.
6572         ("*doloop_si_long"): Adapt pattern.
6573
6574 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6575
6576         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6577         access registers.
6578         (CLASS_MAX_NREGS): Likewise.
6579
6580 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6581
6582         * doc/tree-ssa.texi (Statement Operands): Add example for new
6583         must-def macro. Note deprecation of old operands interface.
6584
6585 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6586
6587         PR tree-optimization/19484
6588         * tree-cfg.c (remove_fallthru_edge): New function.
6589         (cleanup_control_flow): Remove fallthru edges from calls that are
6590         now known not to return.
6591
6592 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6593
6594         Fix PR tree-optimization/19038
6595         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6596         copies with loop variant ones.
6597
6598 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6599
6600         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6601         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6602         config/alpha/alpha.md, config/alpha/predicates.md,
6603         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6604         config/sparc/sol2.h: Update copyright.
6605
6606         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6607         first label to see if it is a nonlocal label.
6608
6609 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6610             Andrew Pinski  <pinskia@physics.uc.edu>
6611
6612         PR target/19491
6613         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6614         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6615
6616 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6617
6618         * config/rs6000/rtems.h: Update copyright.
6619
6620 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6621
6622         PR target/19548
6623         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6624         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6625         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6626
6627 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6628
6629         PR c/18809
6630         * c-typeck.c (convert_arguments): Check for error_mark_node.
6631
6632 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6633
6634         PR tree-optimization/13000
6635         * tree-inline.c: Include "tree-flow.h".
6636         (expand_call_inline): If warn_return_type, warn if non-void inline
6637         function falls through.
6638         * tree-cfg.c (execute_warn_function_return): Don't warn about
6639         control reaching end if TREE_NO_WARNING is set.  Set
6640         TREE_NO_WARNING.
6641         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6642         has been lowered.
6643         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6644         branch if we don't need one.
6645         * c-typeck.c: Include "tree-flow.h"
6646         (c_finish_bc_stmt): Don't add a goto if the current statement
6647         list doesn't fall through to the current point.
6648
6649 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6650
6651         PR rtl-optimization/576
6652         * real.c (real_arithmetic): Change return type from void to bool
6653         to return an indication that the result may be inexact.
6654         * real.h (real_arithmeric): Update prototype.
6655         * fold-const.c (const_binop):  Don't constant fold floating
6656         point expressions when the user specifies -frounding-math and
6657         the result may depend upon the run-time rounding mode.
6658         (fold_convert_const_real_from_real): Clean-up.
6659         (fold_initializer): Ignore flag_rounding_math for initializers.
6660         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6661         constant fold FP operations with flag_rounding_math if the
6662         result may depend upon the run-time rounding mode.
6663
6664 2005-01-21  Tom Tromey  <tromey@redhat.com>
6665
6666         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6667
6668 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6669
6670         * tree-cfg.c: Fix comment typos.
6671
6672 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6673
6674         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6675         around the call to rest_of_handle_branch_target_load_optimize.
6676
6677 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6678
6679         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6680         (sparc64-*-openbsd*): Likewise.
6681         (sparclite-*-elf*): Include tm-dwarf2.h.
6682         (sparc86x-*-elf*): Likewise.
6683         (sparc64-*-elf*): Likewise.
6684         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6685         (DBX_DEBUGGING_INFO): Likewise.
6686         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6687         (PREFERRED_DEBUGGING_TYPE): Likewise.
6688         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6689         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6690         (PREFERRED_DEBUGGING_TYPE): Likewise.
6691         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6692         (PREFERRED_DEBUGGING_TYPE): Likewise.
6693         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6694
6695 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6696
6697         PR target/18701
6698         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6699
6700 2005-01-20  Paul Brook  <paul@codesourcery.com>
6701
6702         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6703
6704 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6705
6706         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6707         label is first in a sequence of labels.
6708
6709         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6710
6711 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6712             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6713
6714         * doc/sourcebuild.texi (Test Directives): New.
6715
6716 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6717
6718         * real.c (real_floor): Don't leave the result uninitialized when
6719         mode is VOIDMode, but return the unrounded intermediate value.
6720         (real_ceil): Likewise.
6721
6722 2005-01-20  Paul Brook  <paul@codesourcery.com>
6723
6724         * config/arm/arm.md (insv): Use gen_int_mode.
6725
6726 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6727
6728         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6729         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6730         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6731         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6732         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6733
6734 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6735
6736         Fix PR debug/19124
6737         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6738         fbreg, so we have to assume we can't.
6739         (loc_descriptor_from_tree_1): Ditto.
6740         (containing_function_has_frame_base): New function.
6741         (add_location_or_const_value_attribute): Use it.
6742         Also try to generate a frame_base from a single element location
6743         list.
6744
6745 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6746
6747         PR tree-optimization/15349
6748         * timevar.def (TV_TREE_MERGE_PHI): New.
6749         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6750         PHI_WANTED.
6751         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6752         calls to tree_forwarder_block_p.
6753         (remove_forwarder_block_with_phi, merge_phi_nodes,
6754         gate_merge_phi, pass_merge_phi): New.
6755         * tree-optimize.c (init_tree_optimization_passes): Add
6756         pass_merge_phi.
6757         * tree-pass.h: Add an extern for pass_merge_phi;
6758
6759 2005-01-20  Richard Henderson  <rth@redhat.com>
6760
6761         PR target/19418
6762         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6763         (_mm_castps_pd, _mm_castps_si128): New.
6764         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6765
6766 2005-01-20  Richard Henderson  <rth@redhat.com>
6767
6768         PR target/19530
6769         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6770         __builtin_ia32_vec_init_v2si.
6771         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6772         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6773         (ix86_init_mmx_sse_builtins): Create it.
6774         (ix86_expand_builtin): Expand it.
6775         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6776         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6777         (vec_extractv2si_0, vec_extractv2si_1): New.
6778
6779 2005-01-20  Richard Henderson  <rth@redhat.com>
6780
6781         PR target/16533
6782         * config/i386/i386.c (ix86_expand_push): New.
6783         * config/i386/mmx.md (push<MMXMODE>1): New.
6784         * config/i386/sse.md (push<SSEMODE>1): New.
6785         * config/i386/i386-protos.h: Update.
6786
6787 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6788
6789         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6790         copyright.
6791
6792 2005-01-20  Richard Henderson  <rth@redhat.com>
6793
6794         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6795         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6796
6797 2005-01-19  Richard Henderson  <rth@redhat.com>
6798
6799         PR target/19350
6800         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6801         to V4SFmode in SSE1 fallback load path.
6802
6803 2005-01-19  Richard Henderson  <rth@redhat.com>
6804
6805         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6806         in QImode expansion to ix86_expand_vector_set.
6807         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6808
6809 2005-01-19  Richard Henderson  <rth@redhat.com>
6810
6811         PR target/19511
6812         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6813         subclass of the input class.
6814         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6815         Always true for cross-SSE1 classes.  Rationalize conditionals.
6816         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6817         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6818         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6819         (movdi_2): Add MMX/SSE zeros.
6820         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6821         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6822         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6823         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6824         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6825         (zero_extendsidi2_rex64_1): Remove.
6826         (MOV0 peephole): Check GENERAL_REG_P.
6827
6828 2005-01-19  Richard Henderson  <rth@redhat.com>
6829
6830         PR target/19427
6831         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6832         shufps elements.
6833         (ix86_expand_vector_extract): Likewise.
6834
6835 2005-01-19  Richard Henderson  <rth@redhat.com>
6836
6837         PR middle-end/19304
6838         * expr.c (emit_move_change_mode): New argument force; use
6839         simplify_gen_subreg if true.
6840         (emit_move_via_alt_mode): Merge into ...
6841         (emit_move_via_integer): ... here.
6842         (emit_move_ccmode): Use emit_move_change_mode directly.
6843
6844 2005-01-19  Richard Henderson  <rth@redhat.com>
6845
6846         PR target/19518
6847         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6848         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6849         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6850         rtl if true.
6851         (alpha_emit_set_const): Likewise.  Make static.
6852         (alpha_emit_set_long_const): Make static.
6853         (alpha_extract_integer): Split out from alpha_expand_mov.
6854         (alpha_split_const_mov): Likewise.
6855         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6856         (alpha_legitimate_constant_p): New.
6857         * config/alpha/alpha-protos.h: Update.
6858         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6859         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6860         * config/alpha/alpha.md (movsi): Add n alternative.
6861         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6862         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6863         (splitters for all of the above): Use alpha_split_const_mov.
6864         * config/alpha/predicates.md (non_add_const_operand): New.
6865         (non_zero_const_operand): New.
6866         (input_operand): Use alpha_legitimate_constant_p after reload.
6867
6868 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6869
6870         PR tree-optimization/19038
6871         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6872         (add_candidate): Add ivs with increment in latch only if
6873         allow_ip_end_pos_p is true.
6874         (determine_iv_cost): Use empty_block_p.
6875
6876 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6877
6878         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6879         (compute_dominance_frontiers): Ditto.
6880
6881 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6882
6883         PR target/19529
6884         * config/sh/t-rtems: New.
6885         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6886
6887 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6888
6889         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6890         the offset of the selected field.
6891
6892 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6893
6894         * tree-cfg.c (remove_forwarder_block): Fix the check to
6895         prevent a nonlocal label from appearing in the middle of a
6896         basic block.
6897
6898 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6899
6900         PR rtl-optimization/19462
6901         * reorg.c (find_end_label): Create return insn only if
6902         current_function_epilogue_delay_list is empty.
6903
6904 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6905
6906         * doc/passes.texi: Remove paragraph mentioning new-ra.
6907
6908 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6909
6910         PR rtl-optimization/15139
6911         * combine.c: Include params.h.
6912         (count_rtxs): New function.
6913         (record_value_for_reg): If replace_rtx would replace at least
6914         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6915         (clobber (const_int 0)) instead of TEM.
6916         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6917         * params.h (MAX_LAST_VALUE_RTL): New.
6918         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6919         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6920
6921         PR c/17297
6922         * c-typeck.c (digest_init): Only call build_vector if all constructor
6923         elements are *_CST nodes.
6924         * gimplify.c (gimplify_init_constructor): Likewise.
6925
6926         PR middle-end/19164
6927         * c-typeck.c (digest_init): Only call build_vector if inside_init
6928         is a CONSTRUCTOR.
6929
6930 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6931
6932         * toplev.c (init_asm_output): Remove dead #ifdef.
6933
6934 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6935
6936         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6937
6938 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6939
6940         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6941         accessing DECL_FUNCTION_CODE.
6942         * dojump.c (do_jump): Likewise.
6943         * gimplify.c (gimplify_call_expr): Likewise.
6944         * predict.c (expr_expected_value): Likewise.
6945         (strip_builtin_expect): Likewise.
6946         * tree-inline.c (estimate_num_insns_1): Likewise.
6947         * tree-ssa-loop-im.c (stmt_cost): Likewise
6948         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6949         (tree_expr_nonnegative_p): Likewise.
6950
6951 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6952
6953         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6954         variant of the load_pcrel_sym pattern.
6955         * config/sparc/sparc.md (P macro): Move to the top.
6956         (load_pcrel_sym): Macroize using P.
6957         (save_register_window): Likewise.
6958
6959 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6960
6961         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6962         ("sordered"): Same.
6963
6964 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6965
6966         PR C/19472
6967         * c-typeck.c (build_asm_expr): Strip nops off
6968         input memory operands.
6969
6970 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6971
6972         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6973         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6974         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6975         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6976
6977 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6978
6979         PR target/19379
6980         * config/i386/i386.c (override_options): If the 80387 is disabled,
6981         then do not return FP values using FP registers.
6982
6983 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6984
6985         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6986         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6987         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6988         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6989         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6990         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6991         output.h, postreload-gcse.c, postreload.c, recog.c,
6992         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6993         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6994         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6995         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6996         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6997         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6998         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6999         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7000
7001         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7002         config/alpha/alpha.c, config/arm/vfp.md,
7003         config/i386/emmintrin.h, config/i386/i386-modes.def,
7004         config/i386/i386-protos.h, config/i386/i386.h,
7005         config/i386/pmmintrin.h, config/i386/ppro.md,
7006         config/i386/predicates.md, config/i386/xmmintrin.h,
7007         config/i860/i860.c, config/ia64/ia64-modes.def,
7008         config/ia64/ia64-protos.h, config/ia64/ia64.h,
7009         config/ia64/ia64.md, config/ia64/itanium1.md,
7010         config/ia64/itanium2.md, config/ia64/predicates.md,
7011         config/iq2000/iq2000.h, config/mips/linux64.h,
7012         config/rs6000/aix41.h, config/rs6000/aix43.h,
7013         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7014         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7015         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7016         config/sparc/linux64.h, config/sparc/litecoff.h,
7017         config/sparc/sp64-elf.h, config/sparc/sparc.c,
7018         config/sparc/sparc.h, config/sparc/sparc.md,
7019         config/sparc/sysv4-only.h: Update copyright.
7020
7021 2005-01-18  Richard Henderson  <rth@redhat.com>
7022
7023         PR target/19496
7024         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7025
7026 2005-01-18  Marc Espie  <espie@openbsd.org>
7027         * config/i386/openbsdelf.h: Typo.
7028
7029 2005-01-18  Richard Henderson  <rth@redhat.com>
7030
7031         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7032         special case for sse.
7033         * config/i386/predicates.md (sse_comparison_operator): Likewise.
7034
7035 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
7036
7037         * tree-inline.c (estimate_num_insns_1): Added cases for
7038         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7039
7040 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
7041
7042         PR rtl-optimization/19296
7043         * combine.c (simplify_comparison): Rewrite the condition under
7044         which a non-paradoxical SUBREG of a PLUS can be lifted when
7045         compared against a constant.
7046
7047 2005-01-18  Andi Kleen <ak@muc.de>
7048
7049         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7050         * c.opt (-Wpointer-sign): Add.
7051         * doc/invoke.texi: (-Wpointer-sign): Add.
7052
7053 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7054
7055         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7056         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7057         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7058         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7059         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7060         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7061         for TARGET_MIX_SSE_I387.
7062         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7063         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7064         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7065         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7066         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7067         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7068         TARGET_MIX_SSE_I387.
7069         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7070         from expander.
7071
7072 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7073
7074         PR target/19424
7075         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7076         Add movaps alternative for xmm reg->reg move.
7077
7078 2005-01-17  Jeff Law  <law@redhat.com>
7079
7080         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7081         at the end of the main DOM loop rather than just before DOM exits.
7082
7083 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7084
7085         PR tree-optimization/19121
7086         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7087         adding aliases to a name tag, also add them to the pointer's
7088         type tag.
7089         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7090         sensitive alias info at all.  Only check that the two pointers
7091         have compatible pointed-to sets.
7092         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7093         a pointer's type tag is a superset of the alias set of the
7094         pointer's name tag.
7095
7096 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7097
7098         PR target/19357
7099         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7100         comment to document why.
7101
7102 2005-01-17  Richard Henderson  <rth@redhat.com>
7103
7104         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7105         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7106         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7107         sse2_vmsminv2df3_finite): New.
7108         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7109         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7110         Force op1 into register.
7111
7112 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7113
7114         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7115         bubblestrap from always rebuilding build directory.
7116
7117 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7118
7119         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7120         ("*cmpmem_short"): Likewise.
7121
7122 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7123
7124         * basic-block.h: Document BB_* flags.
7125         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7126         use an sbitmap instead.
7127         * sched-rgn.c (compute_trg_info): Likewise.
7128
7129 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7130
7131         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7132         redundant target_cpu_default and extra_parts lines.  Use the default
7133         "from-abi" ISA.
7134         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7135         (SUBTARGET_EXTRA_SPECS): Delete.
7136         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7137         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7138         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7139         and "n32" for -mabi=n32.
7140
7141 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7142
7143         PR c/5675
7144         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7145         fold constant variables into initial values.
7146
7147 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7148
7149         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7150
7151         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7152         through the statements backward.
7153
7154 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7155
7156         PR middle-end/13127:
7157         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7158         a variable set to the return value of the inlined function.
7159
7160 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7161
7162         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7163         when modes are tieable.
7164
7165 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7166
7167         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7168         of pthread_create to find out if threads are enabled.
7169         * gthr-posix95.h (__gthread_active_p): Likewise.
7170
7171 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7172
7173         * common.opt (-fnew-ra): Remove.
7174         * ra*.*: Remove.
7175         * toplev.h (flag_new_regalloc): Remove.
7176         * Makefile.in (ra*.*): Don't mention.
7177         * passes.c (rest_of_handle_new_regalloc): Remove.
7178         (rest_of_handle_combine, rest_of_compilation): Always consider
7179         flag_new_regalloc as false.
7180         * doc/invoke.texi: Don't document -fnew-ra.
7181
7182 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7183
7184         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7185         last parameter to reg_scan.
7186         * loop.c (loop_optimize): Likewise.
7187         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7188         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7189         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7190         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7191         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7192         * regclass.c (reg_scan): Likewise, for the declaration.
7193         * rtl.h (reg_scan): Likewise, for the prototype.
7194
7195 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7196
7197         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7198         mark_dfs_back_edges.
7199
7200 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7201
7202         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7203         (compute_avail): Uses don't go in tmp_gen.
7204
7205 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7206
7207         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7208         loop to look for a free slot in a page entry.
7209
7210 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7211
7212         PR target/16304
7213         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7214         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7215         just before targetm.asm_out.file_end.
7216         * tree.h (process_pending_assemble_output_defs): Declare.
7217         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7218         New functions.
7219         (assemble_alias): Defer generation of assembly code for defines when
7220         TARGET_DEFERRED_OUTPUT_DEFS is true.
7221         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7222         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7223         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7224
7225 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7226
7227         PR target/19336
7228         * pa.c (pa_scalar_mode_supported_p): New function.
7229         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7230         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7231
7232         * pa-protos.h (prefetch_operand): Delete.
7233         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7234         * pa.c (prefetch_operand): Delete.
7235         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7236         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7237         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7238         and prefetch_nocc_operand.
7239         * pa.md (prefetch): Rework to avoid reload problems handling short
7240         displacements when a cache control completer needs to be provided.
7241         (prefetch_32, prefetch_64): Delete.
7242         (prefetch_cc, prefetch_nocc): New patterns.
7243
7244 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7245
7246         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7247
7248 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7249
7250         PR ada/19388
7251         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7252         exceeds maximum alignment for global common data.
7253         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7254         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7255
7256 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7257
7258         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7259
7260 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7261
7262         * harg-reg-set.h (reg_class_names): Prototype global array.
7263         * regclass.c (reg_class_names): Declare here and initialize to
7264         REG_CLASS_NAMES.
7265         (dump_regclass): Remove local declaration of reg_class_names.
7266         (regclass): Likewise.
7267         * cfg.c (dump_flow_info): Likewise.
7268         * ra-debug.c (reg_class_names): Likewise.
7269         * regrename.c (reg_class_names): Likewise.
7270         * reload.c (reg_class_names): Likewise.
7271         * reload1.c (spill_failure): Likewise.
7272         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7273
7274 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7275
7276         * config/s390/s390.md ("reload_outti"): Remove predicate for
7277         output operand.  Abort if operand is not a MEM.
7278         ("reload_outdi", "reload_outdf"): Likewise.
7279
7280 2005-01-15  Marc Espie  <espie@openbsd.org>
7281
7282         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7283         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7284         * config/openbsd.h:  Fix C++ includes for native configurations.
7285         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7286         Add trampoline support.
7287         * config/i386/openbsdelf.h: New.
7288
7289 2005-01-15  Marc Espie  <espie@openbsd.org>
7290
7291         * collect2.c (main): Explicitly parse -dynamic-linker option.
7292
7293 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7294
7295         PR tree-optimization/19060
7296         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7297         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7298         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7299         and handle extract_range_from_cond returning false.
7300         * fold-const.c (fold): Optimize comparisons with min/max even for
7301         width > HOST_BITS_PER_WIDE_INT.
7302
7303 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7304
7305         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7306         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7307         Remove little endian multilib variants.
7308         Add mips32 multilib variant.
7309
7310 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7311
7312         * explow.c (copy_all_reg, stabilize): Remove.
7313         * expr.h: Remove the corresponding prototypes.
7314
7315         * rtlanal.c (regs_set_between_p): Remove.
7316         * rtl.h: Remove the corresponding prototype.
7317
7318 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7319
7320         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7321         to rs6000_nonimmediate_operand.
7322         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7323         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7324         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7325         rs6000_nonimmediate_operand.
7326         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7327         rs6000_nonimmediate_operand.
7328
7329 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7330
7331         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7332
7333 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7334
7335         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7336         on e500v2.
7337         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7338         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7339
7340         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7341         (rs6k_nonimmediate_operand): New.
7342         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7343         correctly.
7344         (legitimate_lo_sum_address_p): Same.
7345         (rs6000_legitimize_address): Same.
7346         (rs6000_legitimize_reload_address): Same.
7347         (rs6000_legitimate_address): Same.
7348         (spe_build_register_parallel): Pass DF and DC modes in a DI
7349         register.
7350
7351         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7352         to rs6k_nonimmediate_operand.
7353
7354         * config/rs6000/spe.md ("*frob_df_di"): New.
7355         ("*frob_di_df"): New.
7356         ("*frob_di_df_2"): New.
7357         ("*mov_sidf_e500_subreg0"): New.
7358         ("*mov_sidf_e500_subreg4"): New.
7359         ("*movdf_e500_double"): Change predicate to
7360         rs6k_nonimmediate_operand.
7361
7362 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7363
7364         * postreload.c (move2add_note_store): Only call
7365         trunc_int_for_mode on scalar integers.
7366
7367 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7368
7369         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7370         replace BB_VISITED uses.
7371         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7372         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7373         (tree_dce_done): Free visited_control_parents.
7374         (perform_tree_ssa_dce): Allocate and clear it.
7375         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7376         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7377         instead of BB_VISITED.
7378
7379 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7380
7381         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7382         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7383         Remove unused prototypes.
7384
7385 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7386
7387         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7388         64-bit register usage.
7389         (spe_func_has_64bit_regs_p): Add FIXME note.
7390
7391 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7392
7393         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7394         flag_finite_math_only with flag_unsafe_math_optimizations.
7395
7396 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7397
7398         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7399         end-of-stack check.
7400         (__tpf_eh_return): Copy TPF private stack area from the module
7401         boundary stack frame.  Add check for when module addresses are
7402         equal, but no stub address is found.
7403
7404 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7405
7406         PR target/7525
7407         * arm.h (struct machine_function): Add call_via field.
7408         (thumb_call_via_label): Declare.
7409         * arm.c (thumb_call_via_label): New variable.
7410         (thumb_call_reg_needed): New variable.
7411         (arm_output_function_epilogue): For Thumb code, output any per-function
7412         call-indirect trampolines.
7413         (thumb_call_via_reg): New function.
7414         (arm_file_end): New function.
7415         (TARGET_ASM_FILE_END): Call arm_file_end.
7416         (aof_file_end): Likewise.
7417         * arm-protos.h (thumb_call_via_reg): Declare.
7418         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7419         thumb_call_via_reg in normal case.
7420
7421 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7422
7423         PR middle-end/19084
7424         PR rtl-optimization/19348
7425         * recog.c (peephole2_optimize): Do global life update if some peephole
7426         decides it doesn't need at least one of its inputs and that change
7427         influences liveness at the start of the basic block.
7428
7429         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7430         arguments instead of 1.
7431
7432 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7433
7434         PR middle-end/18820
7435         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7436         zero for nested functions needing a static chain or functions
7437         with a non-constant address.
7438
7439 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7440
7441         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7442         (and (sign_extend X) C) into (zero_extend (and X C)).
7443
7444 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7445
7446         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7447
7448 2005-01-13  Richard Henderson  <rth@redhat.com>
7449
7450         PR target/19009
7451         PR target/19250
7452         PR target/19252
7453         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7454         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7455         not just TARGET_SSE.
7456         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7457         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7458         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7459         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7460         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7461         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7462         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7463         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7464         (movdicc_c_rex64): Rename with '*'.
7465         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7466         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7467         (movsfcc_1_387): Rename from movsfcc_1.
7468         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7469         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7470         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7471         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7472         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7473         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7474         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7475         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7476         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7477         sse_movdfcc_const0_4): Remove.
7478         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7479         recognize min/max early.  Update for changed sse cmove patterns.
7480         (ix86_split_sse_movcc): New.
7481         * config/i386/i386-protos.h: Update.
7482
7483 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7484
7485         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7486         (fix_stmt_v_may_defs): Likewise.
7487
7488 2005-01-13  Richard Henderson  <rth@redhat.com>
7489
7490         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7491         for converting the mask.
7492
7493 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7494
7495         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7496         definition to 600.
7497
7498 2005-01-13  Richard Henderson  <rth@redhat.com>
7499
7500         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7501         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7502         IX86_BUILTIN_MOVDQ2Q): Remove.
7503         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7504         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7505         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7506         shuffling.
7507         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7508         (sse2_pextrw): Fix immediate constraint.
7509         (sse2_loadq, sse2_loadq_rex64): Remove.
7510         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7511         Use __builtin_ia32_vec_ext_<size>.
7512         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7513
7514 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7515
7516         * function.c (assign_parm_setup_block): Look inside original
7517         entry_parm when inspecting PARALLEL.
7518
7519 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7520             Joel Sherrill  <joel@oarcorp.com>
7521
7522         PR target/19399
7523         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7524         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7525         rtems_gxx_recursive_mutex_init.
7526         (__gthread_recursive_mutex_lock): New function.
7527         (__gthread_recursive_mutex_trylock): Likewise.
7528         (__gthread_recursive_mutex_unlock): Likewise.
7529
7530 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7531
7532         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7533
7534 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7535
7536         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7537         (ashrti3_internal): Indicate output is early clobber. Generate result
7538         into output rather than first input. Use move for low word of output
7539         if shift count is exactly 64.
7540         (lshrti3_internal): Likewise.
7541
7542 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7543
7544         PR target/18329
7545         PR target/18330
7546         * reload1.c (delete_output_reload): Don't delete an output reload
7547         if the pseudo lives longer than a single basic block.  Adjust and
7548         improve wording of comment.
7549
7550 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7551
7552         PR target/19334
7553         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7554         of TYPE_SIZE where we mean the number of bytes.
7555
7556 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7557
7558         * function.c (assign_parm_setup_block): Relax condition on
7559         multi-register optimization.
7560
7561 2005-01-12  Nick Clifton  <nickc@redhat.com>
7562
7563         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7564         an "in_delay_slot" attribute of "no" to prevent them being used in
7565         delay slots.  This is forbidden because they might generate
7566         exceptions.
7567
7568 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7569
7570         PR target/19389
7571         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7572         with r->Y and Y->r.
7573
7574 2005-01-12  Nick Clifton  <nickc@redhat.com>
7575
7576         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7577         passed on to GAS) but do not define, as GAS no longer supports or
7578         needs the -m2000 option.
7579
7580 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7581
7582         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7583         type as args of unprototyped builtins aren't automatically promoted.
7584         (fold_builtin_abs): Likewise.
7585
7586 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7587
7588         * Makefile.in: Set a `build-warn' variable.
7589
7590 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7591
7592         PR tree-optimization/17949
7593         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7594         (find_interesting_uses_address): Use it.
7595
7596 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7597
7598         * regrename.c (kill_value): Handle subreg's that won't simplify.
7599
7600 2005-01-11  Richard Henderson  <rth@redhat.com>
7601
7602         PR target/13366
7603         * config/i386/i386.h (enum ix86_builtins): Move ...
7604         * config/i386/i386.c: ... here.
7605         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7606         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7607         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7608         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7609         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7610         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7611         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7612         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7613         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7614         IX86_BUILTIN_LOADDDUP): Remove.
7615         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7616         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7617         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7618         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7619         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7620         (ix86_init_builtins): Make static.
7621         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7622         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7623         if all the modes match.  Otherwise, fake it.
7624         (get_element_number, ix86_expand_vec_init_builtin,
7625         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7626         (ix86_expand_builtin): Make static.  Update for changed builtins.
7627         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7628         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7629         (ix86_expand_vector_init_duplicate): New.
7630         (ix86_expand_vector_init_low_nonzero): New.
7631         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7632         Split out from ix86_expand_vector_init; handle integer modes.
7633         (ix86_expand_vector_init): Use them.
7634         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7635         * config/i386/i386-protos.h: Update.
7636         * config/i386/predicates.md (reg_or_0_operand): New.
7637         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7638         (movv2sf_internal): Likewise.  And a splitter to match them all.
7639         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7640         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7641         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7642         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7643         (mmx_pinsrw): Fix operand ordering.
7644         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7645         rather than sse_loadss expander.
7646         (movv2df splitter): Similarly.
7647         (sse_loadss, sse_loadlss): Remove.
7648         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7649         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7650         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7651         (sse3_movddup): Rename with '*'.
7652         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7653         (sse2_loadsd): Remove.
7654         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7655         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7656         (sse2_pinsrw): Fix argument ordering.
7657         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7658         (sse2_stored): Remove 'r' destination.
7659         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7660         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7661         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7662         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7663         vec_extractv16qi, vec_initv16qi): New.
7664
7665         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7666         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7667         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7668         constructor form.
7669         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7670         (_mm_load_si128, _mm_store_si128): Likewise.
7671         (_mm_load1_pd): Use _mm_set1_pd.
7672         (_mm_load_sd): Use _mm_set_sd.
7673         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7674         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7675         (_mm_set_epi64): Use _mm_set_epi64x.
7676         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7677         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7678         _mm_setr_epi8): Use _mm_set_foo form.
7679         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7680         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7681         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7682         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7683         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7684         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7685         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7686         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7687         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7688         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7689         (_mm_movedup_pd): Use _mm_shuffle_pd.
7690         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7691         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7692         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7693         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7694         Use _mm_setzero_ps.
7695         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7696         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7697         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7698         (_mm_store_ps): Use raw dereference.
7699         (_mm_store1_ps): Use _mm_storeu_ps.
7700         (_mm_storer_ps): Use _mm_store_ps.
7701         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7702         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7703
7704 2005-01-11  Stan Shebs  <shebs@apple.com>
7705
7706         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7707         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7708
7709 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7710
7711         PR target/18761
7712         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7713         Skip all DECLs except for FIELD_DECLs.
7714
7715 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7716
7717         * config/s390/s390.c (override_options): Return error if
7718         -mbackchain, -mpacked-stack and -mhard-float are used together.
7719         (s390_va_start): Remove the backchain && packed-stack special case.
7720         (s390_gimplify_va_arg): Likewise.
7721         * doc/invoke.texi: Remove the ABI incompatibility note.
7722
7723 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7724
7725         * config/s390/s390.c (struct s390_frame_layout): Remove
7726         save_backchain_p.
7727         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7728         save_backchain_p with TARGET_BACKCHAIN.
7729
7730 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7731
7732         PR target/18916
7733         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7734         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7735         * function.c (locate_and_pad_parm): Set new field.
7736         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7737         Tweak where_pad test to include "none".  Always set mem align for
7738         stack_parm.
7739         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7740         not sufficient for type.
7741         (assign_parm_setup_block): If stack_parm is zero on entry, always
7742         make a new stack local.  Block move old stack parm if necessary
7743         to new aligned stack local.
7744         (assign_parm_setup_stack): Use a block move to handle
7745         potentially misaligned entry_parm.
7746         (assign_parms_unsplit_complex): Specify required alignment when
7747         creating stack local.
7748         * calls.c (compute_argument_addresses): Override alignment of stack
7749         arg calculated from its type with the alignment given by
7750         FUNCTION_ARG_BOUNDARY.
7751         (store_one_arg): Likewise.
7752
7753 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7754
7755         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7756         Change respective itanium_class attribute to ialu.
7757         (shladdp4_internal): New.
7758         * config/ia64/predicates.md (shladd_log2_operand): New.
7759
7760 2005-01-11  Richard Henderson  <rth@redhat.com>
7761
7762         * expr.c (store_constructor): Use rtvec_alloc instead of
7763         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7764
7765 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7766
7767         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7768
7769 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7770
7771         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7772         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7773         (TARGET_RWRELOC): Define.
7774         (ia64_rwreloc_section_type_flags): Delete.
7775         (ia64_section_type_flags): New function.
7776         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7777         (TARGET_RWRELOC): Define.
7778
7779 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7780
7781         PR target/18987
7782         * config/ia64/ia64.c (process_set): For alloc insn, only call
7783         process_epilogue is !frame_pointer_needed.
7784
7785 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7786
7787         PR c++/19355
7788         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7789         unary operator and can't be treated as a binary/comparison operator.
7790
7791 2005-01-10  Richard Henderson  <rth@redhat.com>
7792
7793         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7794         (ix86_return_in_memory): Likewise.
7795         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7796         for choosing register to advance.
7797
7798 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7799
7800         * tree-vectorizer.c, tree.def: Fix comment typos.
7801
7802 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7803
7804         * config/s390/s390.c (struct processor_costs): 4 new fields:
7805         ddbr, ddr, debr, der.
7806         (s390_rtx_costs): More precise handling of divide instructions.
7807
7808 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7809
7810         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7811
7812 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7813
7814         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7815         names resulting from -ffunction-sections/-fdata-sections and linkonce
7816         ones.
7817         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7818         based on the section name. Rearrange the section name comparison logic
7819         slightly so that each section name is compared against at most once.
7820
7821 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7822
7823         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7824         targets for which -fPIC reduces limitations on the GOT size.
7825
7826 2005-01-09  Falk Hueffner  <falk@debian.org>
7827
7828         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7829         X/C1 cmpop C2.
7830
7831 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7832
7833         PR target/18720
7834         * collect2.c (main): Set aixrtl_flag for -brtl option.
7835         (resolve_lib_name): Search for .so file extension before .a
7836         if aixrtl_flag set.
7837
7838 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7839
7840         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7841         (vect_analyze_data_refs_alignment): Add dump prints.
7842
7843 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7844
7845         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7846         expr_invariant_in_loop_p.
7847         Initialize outputs first thing in the function.
7848         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7849         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7850         (vect_analyze_pointer_ref_access): Check that the initial condition of
7851         the access function is loop invariant.
7852
7853 2005-01-09  Richard Henderson  <rth@redhat.com>
7854
7855         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7856         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7857         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7858         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7859         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7860         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7861         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7862         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7863         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7864         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7865         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7866         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7867         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7868         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7869         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7870         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7871         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7872         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7873         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7874         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7875         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7876         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7877         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7878         mmx_ prefix.
7879         (mmx_clrdi, pavgusb): Remove.
7880         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7881         with leading sse_ prefix.
7882         * config/i386/sse.md: Receive them.
7883         * config/i386/mmx.md: New file.
7884         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7885         (subrv2sf3): Turn into expander for normal subtraction.
7886         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7887         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7888         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7889         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7890         commutative; use ix86_binary_operator_ok.
7891         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7892         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7893         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7894         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7895         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7896         Macroize from existing patterns; use ix86_binary_operator_ok.
7897         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7898         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7899         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7900         with vec_select+vec_concat.
7901         (mmx_pshufw, mmx_pshufw_1): Likewise.
7902         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7903         (mmx_uavgv4hi3): Model correctly.
7904         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7905         _mm_xor_si64): Remove casts.
7906
7907 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7908
7909         PR tree-optimization/19224
7910         * tree-scalar-evolution.c (get_instantiated_value,
7911         set_instantiated_value): New functions.
7912         (instantiate_parameters_1): Cache the results.
7913         (instantiate_parameters, resolve_mixers): Initialize and free
7914         the cache.
7915
7916 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7917
7918         * config/i386/i386.md (addhi_4): Correct reference in comment.
7919         (addqi_4): Same.
7920
7921 2005-01-08  Richard Henderson  <rth@redhat.com>
7922
7923         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7924         (_mm_cvtsi128_si64x): Likewise.
7925         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7926         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7927         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7928         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7929         * config/i386/i386-protos.h: Update.
7930         * config/i386/i386.c (print_operand): Add 'H'.
7931         (ix86_fixup_binary_operands): Split out from ...
7932         (ix86_expand_binary_operator): ... here.
7933         (ix86_fixup_binary_operands_no_copy): New.
7934         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7935         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7936         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7937         (safe_vector_operand): Use CONST0_RTX.
7938         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7939         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7940         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7941         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7942         special cases.
7943         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7944         (IX86_BUILTIN_CMPNGESS): New.
7945         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7946         (attr type): Add sselog1.
7947         (attr unit, attr memory): Handle it.
7948         (movti, movti_internal, movti_rex64): Move near other integer moves.
7949         (movtf, movtf_internal): Move near other fp moves.
7950         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7951         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7952         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7953         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7954         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7955         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7956         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7957         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7958         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7959         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7960         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7961         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7962         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7963         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7964         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7965         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7966         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7967         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7968         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7969         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7970         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7971         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7972         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7973         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7974         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7975         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7976         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7977         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7978         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7979         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7980         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7981         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7982         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7983         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7984         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7985         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7986         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7987         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7988         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7989         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7990         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7991         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7992         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7993         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7994         same time.
7995         (SSEPUSH, push<SSEPUSH>): Remove.
7996         (MMXPUSH, push<MMXPUSH>): Remove.
7997         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7998         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7999         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8000         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8001         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8002         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8003         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8004         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8005         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8006         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8007         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8008         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
8009         (ppro_sse_log_V4SF): Handle sselog1.
8010         * config/i386/predicates.md (const_0_to_1_operand): New.
8011         (const_0_to_255_mul_8_operand): New.
8012         (const_1_to_31_operand): Rename from const_int_1_31_operand.
8013         (const_2_to_3_operand, const_4_to_7_operand): New.
8014         * config/i386/sse.md: New file.
8015         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8016         (sse_movups): Rename from sse_movups_1.
8017         (sse_loadlss): Rename from sse_loadss_1.
8018         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8019         from the name.
8020         (negv4sf2): Use ix86_expand_fp_absneg_operator.
8021         (absv4sf2, negv2df, absv2df): New.
8022         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8023         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8024         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8025         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8026         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8027         (sse3_addsubv4sf3): Model correctly.
8028         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8029         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8030         (sse_movhlps): Model with vec_select+vec_concat.
8031         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8032         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8033         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8034         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8035         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8036         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8037         sse2_pshufhw_1): Likewise.
8038         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8039         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8040         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8041         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8042         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8043         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8044         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8045         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8046         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8047         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8048         sminv8hi3): Mark commutative
8049         operands.  Use ix86_binary_operator_ok.
8050         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8051         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8052         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8053         sse2_punpcklqdq): Allow operand2 in memory.
8054         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8055         sse2_movsd): Add memory alternatives.
8056         (sse_storelps): Turn expander into an insn; split after reload.
8057         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8058         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8059
8060 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8061
8062         * configure.ac (DWARF-2 debug_line): Use objdump.
8063         * configure: Regenerate.
8064
8065 2005-01-08  Jeff Law  <law@redhat.com>
8066             Diego Novillo  <dnovillo@redhat.com>
8067
8068         PR tree-optimization/18241
8069         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8070         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8071         statements with volatile operands.
8072         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8073         operands after marking a statement with has_volatile_ops.
8074
8075 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8076
8077         * tree.c (int_fits_type_p): Always honor integer constant
8078         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8079
8080 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8081
8082         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8083         the latent bug in rtl_delete_block has been resolved.
8084
8085 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8086
8087         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8088         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8089
8090 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8091
8092         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8093         library as @multilib_dir@/$(SHLIB_SONAME).
8094
8095 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8096
8097         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8098         * configure: Regenerate.
8099
8100 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8101
8102         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8103         TYPE_MODE.
8104
8105 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8106
8107         PR target/13674
8108         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8109         Convert non-word aligned offset address using ld/std into
8110         indirect address.
8111
8112 2005-01-07  Richard Henderson  <rth@redhat.com>
8113
8114         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8115
8116 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8117
8118         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8119
8120 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8121
8122         PR tree-optimization/19283
8123         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8124         is not shorter than the original type.
8125
8126         PR rtl-optimization/19012
8127         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8128
8129         PR rtl-optimization/18861
8130         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8131         (FULL_STATE): Define.
8132         (mark_tablejump_edge): New function.
8133         (purge_dead_tablejump_edges): New function.
8134         (find_bb_boundaries): Use it.
8135
8136         PR tree-optimization/18828
8137         * builtins.c (expand_builtin_next_arg): Remove argument and all
8138         the argument checking.
8139         (expand_builtin): Adjust caller.
8140         (expand_builtin_va_start): Likewise.  Remove error for too many
8141         arguments.
8142         (fold_builtin_next_arg): Issue error for too many arguments.
8143         After checking arguments, replace them with magic arguments that
8144         prevent further checking of the args.
8145
8146 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8147
8148         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8149
8150 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8151
8152         PR target/6077
8153         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8154         and %{.S:...} (and their negative variants) to test whether the
8155         input file is assembler or pre-processed-assembler independent of
8156         the actual filename extension.
8157
8158 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8159
8160         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8161         of sign or zero extended values.
8162
8163 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8164
8165         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8166         for IBM long double format correctly.
8167
8168 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8169
8170         Fix PR tree-optimization/18792
8171
8172         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8173         to first_loop_depth, and use loop depth instead of loop number.
8174         (build_classic_dir_vector): Ditto.
8175         (compute_data_dependences_for_loop): Use depth, not loop number.
8176         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8177         number. Pass in loops, instead of loop numbers.
8178         (gather_interchange_stats): Ditto.
8179         (linear_transform_loops): Ditto.
8180
8181 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8182
8183         PR rtl-opt/13299
8184         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8185         biv_fits_mode_p, extension_within_bounds_p): New functions.
8186         (check_ext_dependent_givs): Use them.
8187
8188 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8189
8190         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8191         more than one barrier, in which case we should delete them all.
8192
8193 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8194
8195         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8196
8197 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8198
8199         Fix PR middle-end/19286
8200         Fix PR debug/19267
8201         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8202         output this subprogram, simply ignore this attempt to do it again.
8203         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8204         origin attribute if it's not possible.
8205         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8206         (decls_for_scope): Ditto.
8207         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8208         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8209
8210 2005-01-05  Richard Henderson  <rth@redhat.com>
8211
8212         PR target/11327
8213         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8214         (bdesc_2arg): Use it.
8215         (ix86_expand_binop_builtin): Force operands into registers
8216         when optimizing.
8217         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8218         ix86_expand_sse_compare, ix86_expand_sse_comi,
8219         ix86_expand_builtin): Likewise.
8220
8221 2005-01-05  Richard Henderson  <rth@redhat.com>
8222
8223         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8224         and VEC_SELECT.
8225         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8226         (mulv4hi3): Set itanium_class mmmul.
8227         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8228         (fpack): Rename from fpack_sfsf.
8229
8230 2005-01-05  Richard Henderson  <rth@redhat.com>
8231
8232         PR rtl-opt/10692
8233         * reload1.c (do_input_reload): Restrict the optimization deleteing
8234         a previous output reload to RELOAD_FOR_INPUT.
8235
8236 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8237
8238         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8239         comment that we fall through after case.
8240         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8241         (distribute_links): Likewise.
8242         * cse.c (cse_insn): Likewise.
8243         * cselib.c (cselib_invalidate_mem): Likewise.
8244         * df.c: Update comments at the top of the file.
8245         (read_modify_subreg_p): Update comments here too.
8246         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8247         * flow.c (mark_set_1): Likewise.
8248         (mark_used_regs): Likewise.
8249         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8250         (canon_list_insert): Likewise.
8251         (mark_set): Likewise.
8252         (try_replace_reg): Likewise.
8253         (store_killed_in_insn): Likewise.
8254         * loop.c (count_one_set): Likewise.
8255         (basic_induction_var): Likewise.
8256         * postreload-gcse.c (find_mem_conflicts): Likewise.
8257         * postreload.c (reload_combine_note_store): Likewise.
8258         (move2add_note_store): Likewise.
8259         * reload.c (find_equiv_reg): Likewise.
8260         (mark_referenced_resources): Likewise.
8261         * rtlanal.c (set_noop_p): Likewise.
8262         (note_stores): Likewise.
8263         (note_uses): Likewise.
8264         * sched-deps.c (sched_analyze_1): Likewise.
8265         * sched-rgn.c (check_live_1): Likewise.
8266         (update_live_1): Likewise.
8267         * config/i860/i860.c: Likewise.
8268
8269         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8270         an lvalue.
8271         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8272
8273         * doc/rtl.texi: Update documentation for bit-fields and SET.
8274
8275 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8276
8277         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8278
8279 2005-01-05  Jan Hubicka  <jh@suse.cz>
8280             Richard Henderson  <rth@redhat.com>
8281
8282         PR target/18910
8283         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8284         with an offset.
8285
8286 2005-01-05  Richard Henderson  <rth@redhat.com>
8287
8288         PR target/12902
8289         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8290         (sse_shufps): Change operand 3 to const_int_operand.
8291         (sse2_storelps): Fix typo in template.
8292         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8293         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8294         (ix86_expand_builtin): Likewise.
8295
8296 2005-01-05  Julian Brown  <julian@codesourcery.com>
8297
8298         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8299         as aggregates for AAPCS ABIs.
8300
8301 2005-01-05  Stan Shebs  <shebs@apple.com>
8302
8303         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8304         Mach-O getters if ppc64.
8305         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8306         size argument.
8307         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8308         signed four-byte field for global code case.
8309         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8310
8311 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8312
8313         PR middle-end/19100
8314         * c-common.c: Include real.h.
8315         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8316         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8317         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8318         * Makefile.in (c-common.o): Update dependencies.
8319
8320 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8321
8322         * c-parse.in (asm_string): Add trailing semicolon.
8323
8324 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8325
8326         * c-parse.in (asm_string): New.  Don't allow wide strings in
8327         'asm'.
8328         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8329         asm_string instead of STRING.
8330
8331 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8332
8333         * c-typeck.c (constructor_no_implicit): Remove.
8334         (set_designator, process_init_element): Don't check
8335         constructor_no_implicit.
8336
8337 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8338             Kaz Kojima  <kkojima@gcc.gnu.org>
8339
8340         PR target/16482
8341         * lcm.c (create_pre_exit): New.
8342         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8343         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8344
8345 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8346
8347         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8348         -msoft-float in target_float_switch.
8349         * arm.c (arm_override_options): Fix processing of target_float_switch.
8350
8351 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8352
8353         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8354         preferencing.
8355
8356 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8357
8358         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8359         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8360
8361 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8362
8363         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8364         if deleting the then-block allows the test-block to fallthru to the
8365         else-block.
8366
8367 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8368
8369         PR c/19152
8370         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8371         after the full declaration if the are in two different TUs.
8372
8373 2005-01-04  Richard Henderson  <rth@redhat.com>
8374
8375         PR tree-opt/19158
8376         * tree-sra.c (generate_one_element_init): Just
8377         call gimplify_and_add.
8378         (generate_element_init): Record the
8379         new referenced variables and mark them for renaming
8380         and split out to ...
8381         (generate_element_init_1): This.
8382         (scalarize_init): Don't call push_gimplify_context/
8383         pop_gimplify_context.
8384
8385 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8386
8387         * toplev.c (get_src_pwd): Handle failure of getpwd().
8388
8389 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8390
8391         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8392         of TRUTH_NOT_EXPR.
8393         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8394         all the cases handled by it are inverted by invert_truthvalue.
8395
8396 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8397
8398         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8399         (save_register_windowsi): Likewise.
8400
8401 2005-01-04  Richard Henderson  <rth@redhat.com>
8402
8403         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8404
8405 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8406
8407         PR middle-end/17767
8408         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8409         any simplifications of vector mode comparison operators.
8410         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8411
8412 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8413             Devang Patel  <dpatel@apple.com>
8414
8415         PR tree-optimization/18308
8416         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8417         the operands before creating a new expression.
8418         * dojump.c (do_jump): Make drop_through_label available
8419         for all cases.  Add expansion of COND_EXPR.
8420
8421 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8422
8423         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8424         INTEGER_CST instead of TREE_CONSTANT.
8425         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8426         instead of TREE_CONSTANT.
8427         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8428         instead of TREE_CONSTANT.
8429
8430 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8431
8432         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8433
8434 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8435
8436         PR target/19240
8437         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8438         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8439
8440 2005-01-03  Richard Henderson  <rth@redhat.com>
8441
8442         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8443         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8444         fold_convert_const_real_from_real): Split out from ...
8445         (fold_convert_const): ... here.
8446
8447 2005-01-03  Richard Henderson  <rth@redhat.com>
8448
8449         PR target/19235
8450         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8451         (mov<MMXMODEI>_internal): Likewise.
8452         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8453         Add V2SF case; use it for SSE1; don't use TI.
8454         (movdf_integer): Likewise.
8455         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8456
8457 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8458
8459         * tree-vectorizer.c (vect_strip_conversions): New function.
8460         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8461         check for binary class.
8462
8463 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8464
8465         Fix PR debug/17924
8466         Fix PR debug/19191
8467         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8468         is a decl.
8469         * gimple-low.c (mark_blocks_with_used_vars): New function.
8470         (mark_blocks_with_used_subblocks): Ditto.
8471         (mark_used_blocks): Ditto.
8472         (pass_mark_used_blocks): New pass.
8473         * tree-inline.c: Include debug.h.
8474         (expand_call_inline): Call outlining_inline_function here.
8475         * tree-optimize.c (init_tree_optimization_passes): Add
8476         pass_mark_used_blocks.
8477         * tree-pass.h (pass_mark_used_blocks): New.
8478         * Makefile.in (tree-inline.o): Add debug.h dependency.
8479
8480 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8481
8482         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8483         VAR_DECLs to have weak_import attribute.
8484
8485         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8486         'struct ucontext'.
8487
8488 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8489
8490         * passes.c (rest_of_compilation): Don't run regmove if only
8491         flag_expensive_optimizations, require flag_regmove instead.
8492
8493 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8494
8495         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8496         register "sparc".
8497         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8498         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8499         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8500         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8501
8502 2005-01-03  Richard Henderson  <rth@redhat.com>
8503
8504         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8505         (ia64_const_ok_for_letter_p): New.
8506         (ia64_const_double_ok_for_letter_p): New.
8507         (ia64_extra_constraint): New.
8508         (ia64_expand_vecint_compare): New.
8509         (ia64_expand_vcondu_v2si): New.
8510         (ia64_expand_vecint_cmov): New.
8511         (ia64_expand_vecint_minmax): New.
8512         (ia64_print_operand): Add 'v'.
8513         (ia64_preferred_reload_class): New.
8514         (ia64_vector_mode_supported_p): New.
8515         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8516         (PREFERRED_RELOAD_CLASS): Move to function.
8517         (CONST_OK_FOR_LETTER_P): Move to function.
8518         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8519         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8520         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8521         (EXTRA_CONSTRAINT): Move to function.
8522         * config/ia64/ia64.md: Include vect.md.
8523         (itanium_class): Add mmalua.
8524         (type): Handle it.
8525         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8526         (1b_mmalua): New.
8527         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8528         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8529         CONST0_RTX.
8530         (const_int_2bit_operand): New.
8531         (fr_reg_or_0_operand): New.
8532         * config/ia64/ia64-modes.def: Add vector modes.
8533         * config/ia64/ia64-protos.h: Update.
8534         * config/ia64/vect.md: New file.
8535
8536 2005-01-03  Richard Henderson  <rth@redhat.com>
8537
8538         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8539
8540 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8541
8542         PR target/19236
8543         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8544         to SFmode.
8545         (log1pdf2): Change mode of operands[0,1] to DFmode.
8546
8547 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8548
8549         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8550         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8551         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8552         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8553         SPARC_RELAXED_ORDERING.
8554
8555 2005-01-03  Richard Henderson  <rth@redhat.com>
8556             Uros Bizjak  <uros@kss-loka.si>
8557
8558         PR target/14631
8559         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8560         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8561         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8562         handling.
8563         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8564         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8565         const_pow2_1_to_128_operand): New predicates.
8566
8567 2005-01-02  Greg McGary  <greg@mcgary.org>
8568
8569         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8570         anonymous decls.
8571         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8572         object.  [ptr_type]: Remove unused variable.
8573         Remember nearest addressable array-element or record-component
8574         when checking bitfield components.  Tolerate empty BIND_EXPR.
8575
8576 2005-01-01  Richard Henderson  <rth@redhat.com>
8577
8578         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8579         that don't narrow the value.  Fail for other conversions.
8580
8581 2005-01-01  Richard Henderson  <rth@redhat.com>
8582
8583         PR c/19031
8584         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8585         * c-lang.c (finish_file): Don't do it here.
8586         * objc/objc-act.c (objc_finish_file): Likewise.
8587
8588         * cgraph.c (decl_assembler_name_equal): New.
8589         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8590         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8591         * cgraph.h (struct cgraph_varpool_node): Add next.
8592         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8593         * varasm.c (assemble_alias): Mark the target as needed.
8594
8595 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8596
8597         PR middle-end/19221
8598         * function.c (get_arg_pointer_save_area): Use entry_of_function
8599         instead of get_insns.
8600
8601 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8602             Andrew Pinski  <pinskia@physics.uc.edu>
8603             James E. Wilson  <wilson@specifixinc.com>
8604
8605         PR rtl-optimization/12092
8606         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8607         is zero.
8608
8609 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8610             Olivier Hainque  <hainque@act-europe.fr>
8611
8612         * tree.c (int_fits_type_p): A narrower type always fits in a
8613         wider one, except for negative values into unsigned types.
8614
8615 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8616
8617         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8618         with the original constant rather than require TREE_OVERFLOW.
8619
8620 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8621
8622         PR middle-end/17544
8623         * c-decl.c (finish_function): If compiling C99, annotate the
8624         compiler generated return with the current file name and line 0.
8625         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8626         the source line is greater than 0.
8627         (remove_bb): Likewise.
8628
8629 See ChangeLog.12 for earlier changes.