gcc/ChangeLog

   1 2005-04-24  Richard Henderson  <rth@redhat.com>
   2
   3         PR target/21101
   4         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
   5         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
   6         Deny modes smaller than 4 bytes.
   7         * config/i386/i386-protos.h: Update.
   8
   9 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
  10
  11         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
  12         Switch h8300-*-rtems* to ELF.
  13
  14 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
  15
  16         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
  17
  18 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
  19
  20         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
  21
  22 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
  23
  24         PR middle-end/21082
  25         * fold-const.c: Fold &a[i]-&a[j] to i-j.
  26
  27 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
  28
  29         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
  30         definitions of ssa names in condition.  Split recusive part to ...
  31         (tree_simplify_using_condition_1): New function.
  32         (expand_simple_operations): New function.
  33
  34 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
  35
  36         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
  37         (find_interesting_uses_cond): Do not use integer_zerop and
  38         integer_nonzerop to check for integer constants.
  39         (set_use_iv_cost): Record the value field.
  40         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
  41         determine_use_iv_cost_outer): Set the value field of the cost pair.
  42         (may_eliminate_iv): Do not return the comparison code.
  43         (iv_elimination_compare): New function.
  44         (determine_use_iv_cost_condition): Set the value field.  Record
  45         noneliminable invariants correctly.
  46         (rewrite_use_compare, rewrite_use_outer): Use the value field.
  47
  48 2005-04-23  DJ Delorie  <dj@redhat.com>
  49
  50         * diagnostic.c (warning): Accept parameter to classify warning option.
  51         (warning0): New, for when a pointer to an error() like function is needed.
  52         * errors.c (warning): Likewise.
  53         * errors.h (warning, warning0): Adjust prototypes.
  54         * toplev.h (warning, warning0): Likewise.
  55
  56         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
  57         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
  58         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
  59         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
  60         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
  61         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
  62         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
  63         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
  64
  65         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
  66         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
  67         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
  68         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
  69         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
  70         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
  71         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
  72         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
  73         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
  74         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
  75         config/rs6000/aix52.h, config/rs6000/darwin.h,
  76         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
  77         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
  78         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
  79         config/stormy16/stormy16.c, config/v850/v850-c.c,
  80         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
  81         callers.
  82
  83 2005-04-23  Richard Henderson  <rth@redhat.com>
  84
  85         PR rtl-opt/21102
  86         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
  87         performing some integral scalar simplifications.
  88
  89 2005-04-23  Richard Henderson  <rth@redhat.com>
  90
  91         PR target/21099
  92         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
  93         simplifying CONST_VECTOR.
  94
  95 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
  96
  97         * tree-ssa-live.c (live_worklist): Take a stack allocated on
  98         heap as an argument.  Update uses of stack.
  99         (calculate_live_on_entry): Allocate stack on heap.
 100
 101         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
 102         partition_link and tpa_nodes on heap.
 103
 104         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
 105         (mark_stmt_necessary, propagate_necessity,
 106         mark_really_necessary_kill_operand_phis): Update uses of
 107         worklist.
 108         (tree_dce_init): Allocate worklist using VEC_alloc.
 109         (tree_dce_done): Free worklist using VEC_free.
 110
 111 2005-04-23  Mike Stump  <mrs@apple.com>
 112
 113         * config/darwin.c (machopic_indirection_name): Don't use
 114         quotes needlessly.
 115         (darwin_emit_unwind_label): Use user_label_prefix instead of
 116         "_".
 117
 118 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 119
 120         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
 121
 122 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
 123
 124         * config.gcc <cris-*>: Specify .opt files.
 125         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
 126         config/cris/linux.opt: New files.
 127         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
 128         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
 129         (TARGET_ELF): Override to 0.
 130         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
 131         -melinux-stacksize=N.
 132         * config/cris/cris.c: (cris_handle_option): New function.
 133         (TARGET_DEFAULT_TARGET_FLAGS): Override.
 134         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
 135         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
 136         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
 137         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
 138         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
 139         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
 140         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
 141         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
 142         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
 143         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
 144         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
 145         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
 146         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
 147         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
 148         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
 149         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
 150         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
 151         (TARGET_LINUX): Define 0.
 152         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
 153         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
 154         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
 155         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
 156         (TARGET_LINUX): Override to 1.
 157         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
 158
 159 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
 160
 161         * haifa-sched.c (schedule_block): Fix thinko in previous
 162         assertification patch.
 163
 164 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
 165
 166         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
 167         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
 168         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
 169         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
 170         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
 171         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
 172         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
 173         for hpux11.[1-9]*.
 174         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
 175         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
 176         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
 177         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
 178         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
 179         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
 180         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
 181         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
 182         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
 183         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
 184         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
 185         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
 186         (SUBTARGET_OPTIONS): Delete.
 187         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
 188         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
 189         instead of a string.
 190         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
 191         (pa_cpu_string, pa_unix_string): Delete.
 192         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
 193         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
 194         TARGET_HPUX_10_10.
 195         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 196         (pa_handle_option): New function.
 197         (override_options): Remove handling of -march=, -mfixed-range=,
 198         -mschedule= and -munix=.
 199         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
 200         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
 201         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
 202         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
 203         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
 204         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
 205         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
 206         redefining.
 207         * config/pa/pa.opt: New file.
 208         * config/pa/pa-hpux.opt: New file.
 209         * config/pa/pa-hpux1010.opt: New file.
 210         * config/pa/pa-hpux1111.opt: New file.
 211         * config/pa/pa64-hpux.opt: New file.
 212
 213 2005-04-22  David S. Miller  <davem@davemloft.net>
 214
 215         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
 216         integer when it's mode is VOIDmode not DImode.
 217
 218 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
 219
 220         * config/rs6000/rs6000.md (sync_add<mode>_internal,
 221         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
 222         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
 223         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
 224         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
 225         "bne- $-xxx" rather than local labels.
 226         (sync_lock_release<mode>): Add second operand.
 227         (lwsync): Use .long rather than a more meaningful opcode.
 228         * doc/md.texi (Standard Names): Add description of second
 229         parameter to sync_lock_test_and_set.
 230
 231 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 232
 233         PR tree-optimization/21088
 234         * fold-const.c (fold_unary, fold_binary, fold_ternary):
 235         Export.
 236         * tree-vrp.c (compare_values): Use fold_binary to compare
 237         pointers.  Use boolean_type_node as the type of a comparison
 238         expression being folded.
 239         * tree.h: Add prototypes for fold_unary, fold_binary,
 240         fold_ternary.
 241
 242         * tree-ssa-dom.c: Fix formatting.
 243
 244 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
 245
 246         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
 247         * lambda-code.c (perfect_nestify): Mark virtual operands in
 248         the moved statement for renaming.
 249         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
 250         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
 251         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
 252         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
 253         * tree-flow.h (struct var_ann_d): Update comments.
 254         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
 255         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
 256         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
 257         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
 258         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
 259         debug_names_replaced_by): Remove declarations.
 260         (delete_update_ssa, get_current_def, set_current_def): Declare.
 261         (rewrite_into_loop_closed_ssa): Add new argument.  Update
 262         all callers.
 263         * tree-into-ssa.c: Include params.h.
 264         (old_virtual_ssa_names): Remove.  Update all users.
 265         (need_to_replace_names_p): Remove.  Update all users.
 266         (struct update_ssa_stats_d): Declare.
 267         (update_ssa_stats): New local.
 268         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
 269         dump_tree_ssa_stats, debug_tree_ssa_stats,
 270         dump_update_ssa, debug_update_ssa,
 271         dump_names_replaced_by, debug_names_replaced_by): Declare.
 272         (get_current_def, set current_def): Make extern.
 273         (is_old_name, is_new_name): Protect against references
 274         past the end of the sets.
 275         (add_new_name_mapping): Assert that OLD and NEW are
 276         different SSA names for the same symbol.
 277         When adding a virtual mapping, update stats for virtual
 278         mapping heuristic.
 279         (insert_phi_nodes_for): If UPDATE_P is true, create the
 280         LHS of the new PHI by duplicating SSA name VAR.
 281         (insert_phi_nodes_1): Remove.  Update all users.
 282         (insert_phi_nodes): Remove second argument.  Update all
 283         users.
 284         (maybe_replace_use, maybe_replace_def): New.
 285         (rewrite_update_stmt): Call them.
 286         (mark_def_interesting): Remove calls to is_gimple_reg.
 287         (prepare_phi_args_for_update): Remove.  Update all users.
 288         (prepare_block_for_update): Only process virtual operands
 289         and GIMPLE registers in normal form.
 290         (prepare_use_sites_for): New.
 291         (prepare_names_to_update): Rename from prepare_def_sites.
 292         Call prepare_use_sites_for.
 293         (dump_update_ssa): Rename from dump_repl_tbl.
 294         Update all users.
 295         Show statistics for virtual mapping heuristic.
 296         (debug_update_ssa): Rename from debug_debug_repl_tbl.
 297         (init_update_ssa): Initialize UPDATE_SSA_STATS.
 298         (delete_update_ssa): Make extern.
 299         (mark_set_for_renaming): If the set is empty, do nothing.
 300         (release_ssa_name_after_update_ssa): Update comment.
 301         (insert_updated_phi_nodes_for): Do not remove existing
 302         PHI nodes for symbols.
 303         (switch_virtuals_to_full_rewrite_p): New.
 304         (switch_virtuals_to_full_rewrite): New.
 305         (update_ssa): Call them.
 306         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
 307         for every statement before updating.
 308         If all the names in NEW_SSA_NAMES have been marked for
 309         removal, do nothing.
 310         Only start at the top of the CFG if there are symbols in
 311         SYMS_TO_RENAME.
 312         (ssa_rewrite_finalize_block): Remove.
 313         (ssa_register_new_def): Remove.
 314         (ssa_rewrite_stmt): Remove.
 315         (ssa_rewrite_phi_arguments): Remove.
 316         (ssa_rewrite_initialize_block): Remove.
 317         (ssa_mark_def_sites): Remove.
 318         (ssa_mark_def_sites_initialize_block): Remove.
 319         (ssa_mark_phi_uses): Remove.
 320         (rewrite_ssa_into_ssa): Remove.
 321         * tree-phinodes.c (find_phi_node_for): Remove.
 322         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 323         Call update_ssa.
 324         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
 325         Remove calls to verify_dominators and
 326         verify_loop_structure.
 327         (tree_unswitch_single_loop): Call update_ssa.
 328         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
 329         returns false.
 330         Call verify_stmts.
 331         (delete_tree_ssa): Assert that need_ssa_update_p returns
 332         false.
 333         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
 334         * tree-vectorizer.c (allocate_new_names, rename_def_op,
 335         free_new_names): Remove.  Update all users.
 336         (rename_use_op): Call get_current_def.
 337         (rename_variables_in_bb): Do not handle any real or
 338         virtual definition.
 339         (slpeel_update_phis_for_duplicate_loop): Call
 340         get_current_def and set_current_def instead of using
 341         SSA_NAME_AUX.
 342         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
 343         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
 344         ssa_names_to_replace and delete_update_ssa.
 345         * doc/invoke.texi: Document --param min-virtual-mappings
 346         and --param virtual-mappings-ratio.
 347
 348 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
 349
 350         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
 351         for newly created PHI nodes.
 352         Call create_new_def_for for every new V_MAY_DEF and
 353         V_MUST_DEF on the copied statement.
 354         (struct ssa_name_map_entry): Remove.
 355         (ssa_name_map_entry_hash): Remove.
 356         (ssa_name_map_entry_eq): Remove.
 357         (allocate_ssa_names): Remove.
 358         (rewrite_to_new_ssa_names_def): Remove.
 359         (rewrite_to_new_ssa_names_use): Remove.
 360         (rewrite_to_new_ssa_names_bb): Remove.
 361         (rewrite_to_new_ssa_names): Remove.
 362         (tree_duplicate_sese_region): Remove variables ver,
 363         definitions, phi, ssa_name_map and bi.
 364         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
 365         Call update_ssa.
 366         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
 367         update_ssa instead of rewrite_ssa_into_ssa.
 368         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
 369         create_new_def_for.
 370         (find_uses_to_rename_use): Add argument 'need_phis'.
 371         (find_uses_to_rename_stmt): Do not scan virtual operands.
 372         (find_uses_to_rename): Only scan PHI nodes for
 373         non-virtual names.
 374         (rewrite_into_loop_closed_ssa): Call update_ssa.
 375         (check_loop_closed_ssa_use): Ignore virtual operands.
 376         (check_loop_closed_ssa_stmt): Likewise.
 377         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
 378         NULL.
 379         (rename_variables, set_phi_def_stmts): Remove.
 380         (tree_duplicate_loop_to_header_edge): Reformat comment.
 381         Remove variables BB, I and DEFINITIONS.
 382         Call need_ssa_update_p.
 383         Call update_ssa.
 384         (lv_adjust_loop_header_phi): Reformat comment.
 385         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
 386         (marked_for_rewrite_p, any_marked_for_rewrite_p,
 387         mark_for_rewrite, unmark_all_for_rewrite,
 388         marked_ssa_names): Remove.  Update all users.
 389         (release_ssa_name): If VAR has been registered for SSA
 390         updating, do nothing.
 391         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
 392         (build_assert_expr_for): Call register_new_name_mapping.
 393         (insert_range_assertions): Update call to update_ssa.
 394         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
 395         marked_for_rewrite_p, any_marked_for_rewrite_p,
 396         marked_ssa_names): Remove.
 397
 398 2005-04-22  Jeff Law  <law@redhat.com>
 399
 400         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
 401         (restore_currdefs_to_original_value): Likewise.
 402         (register_definitions_for_stmt): Likewise.
 403         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
 404         for each variable.  Do not allocate/free block_defs_stack either.
 405         Do not iterate if we just thread jumps.  Only iterate if the
 406         tree_cleanup_cfg does useful work (temporary).
 407         (dom_opt_initialize_block): No longer push a marker on
 408         BLOCK_DEFS_STACK.
 409         (dom_opt_finalize_block): Removal call to restore currdefs.
 410         Relax restrictions for recording edge equivalences.
 411         (record_equivalences_from_phis): No longer need to track
 412         CURRENT_DEF.
 413         (optimize_stmt): Similarly.
 414         (thread_across_edge): Simplify by removing the requirement that
 415         statements in the block we are threading through must be nops.
 416         (initialize_hash_element): Handle GOTO_EXPR.
 417
 418 2005-04-22  David S. Miller  <davem@davemloft.net>
 419
 420         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
 421         CONST_DOUBLE_HIGH.
 422         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
 423         fix check on CONST_DOUBLE mode.  It should be VOIDmode
 424         when it is representing an integer.
 425
 426 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 427
 428         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
 429         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
 430         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
 431         find_char_info_specifier_index,
 432         find_length_info_modifier_index): Likewise.
 433         * c-typeck.c (composite_type, pop_init_level): Likewise.
 434         * combine.c (cant_combine_insn_p, try_combine): Likewise.
 435         * cse.c (cse_insn): Likewise
 436         * dominance.c (calc_dfs_tree): Likewise
 437         dwarf2out.c (loc_descriptor_from_tree_1,
 438         add_abstract_origin_attribute, force_decl_die,
 439         force_type_die): Likewise
 440         emit-rtl.c (operand_subword_force): Likewise
 441         explow.c (hard_function_value): Likewise
 442         expmed.c (store_bit_field, expand_divmod,
 443         emit_store_flag_force): Likewise
 444         expr.c (emit_move_multi_word, store_expr,
 445         expand_expr_real_1): Likewise
 446         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
 447         output_operand): Likewise
 448         flow.c (recompute_reg_usage): Likewise
 449         * function.c (assign_stack_temp_for_type, assign_temp,
 450         handle_epilogue_set): Likewise
 451         * genextract.c (main): Likewise
 452         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
 453         gimplify_modify_expr_rhs, gimplify_expr): Likewise
 454         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
 455         ready_remove, rm_line_notes, rm_other_notes,
 456         schedule_block): Likewise
 457         mips-tfile.c (copy_object, out_of_bounds): Likewise
 458
 459 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
 460
 461         PR target/20813
 462         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
 463         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
 464         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
 465         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
 466         TARGET_XL_COMPAT.
 467         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
 468
 469 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 470
 471         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
 472         (gcc_tree_to_linear_expression): Convert to heap allocated
 473         vectors.
 474         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
 475         lbv_to_gcc_expression, lle_to_gcc_expression,
 476         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
 477         perfect_nestify): Likewise.
 478         lambda.h (gcc_loopnest_to_lambda_loopnest,
 479         lambda_loopnest_to_gcc_loopnest): Likewise.
 480         tree-loop-linear.c (linear_transform_loops): Likewise.
 481
 482 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 483
 484         * config/sparc/predicates.md (arith_double_operand): Use
 485         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
 486         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
 487         (DImode, DFmode constant splitters): Likewise.  Remove code for
 488         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
 489         (logical constant splitters): Use const_int_operand predicate.
 490         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
 491         HOST_BITS_PER_WIDE_INT < 64.
 492
 493 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 494
 495         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
 496         gcc_unreachable as appropriate.
 497         (force_mode, emit_move_sequence, singlemove_string,
 498         output_move_double, output_fp_move_double, find_addr_reg,
 499         output_block_move, output_block_clear, output_and,
 500         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
 501         pa_adjust_cost, pa_issue_rate, print_operand,
 502         output_global_address, output_arg_descriptor, output_cbranch,
 503         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
 504         output_call): Likewise.
 505         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
 506         prefetch, prefetch_cc, prefetch_nocc): Likewise.
 507
 508 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
 509
 510         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
 511         _gcov_pow2_profiler and _gcov_one_value_profiler.
 512         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
 513         (GTFILES): Add $(srcdir)/tree-profile.c.
 514         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
 515         __gcov_one_value_profiler): Declare.
 516         * gimplify.c (force_gimple_operand): Check whether the statements
 517         should be produced in ssa form.
 518         (force_gimple_operand_bsi): New function.
 519         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
 520         __gcov_one_value_profiler): New functions.
 521         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
 522         the profiled value is a power of two or not.
 523         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
 524         * tree-flow.h (in_ssa_p): Declare.
 525         (force_gimple_operand_bsi): Declare.
 526         * tree-into-ssa.c (in_ssa_p): New variable.
 527         (rewrite_into_ssa): Set in_ssa_p.
 528         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
 529         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
 530         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
 531         tree_one_value_profiler_fn): New variables.
 532         (tree_init_edge_profiler): Initialize the profiler function decls.
 533         (tree_gen_edge_profiler): Use global gcov_type_node.
 534         (prepare_instrumented_value): New function.
 535         (tree_gen_interval_profiler, tree_gen_interval_profiler,
 536         tree_gen_one_value_profiler): Call the library functions instead of
 537         creating instrumentation code.
 538         * tree.c (build_fn_decl): New function.
 539         * tree.h (build_fn_decl): Declare.
 540         * value-prof.c (rtl_divmod_values_to_profile,
 541         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
 542         tree_mod_pow2_value_transform, tree_find_values_to_profile):
 543         Do not handle may_be_other and precise values of exponents at pow2
 544         profiler.
 545         (tree_mod_subtract_transform): Reflect that value field of
 546         histogram has changed meaning.
 547         (tree_divmod_values_to_profile): Record the values correctly.
 548         (tree_values_to_profile): Update comment.
 549         * value-prof.h (struct histogram_value_t): Remove pow2 data.
 550
 551 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
 552
 553         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
 554         (decl).
 555
 556 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 557
 558         * config/i386/i386.md (length_immediate): Use gcc_assert or
 559         gcc_unreachable, as appropriate.
 560         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
 561         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
 562         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
 563         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
 564         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
 565         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
 566         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
 567         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
 568         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
 569         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
 570         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
 571         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
 572         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
 573         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
 574         *prefetch_sse_rex): Likewise.
 575         * config/i386/predicates.md (x86_64_immediate_operand,
 576         x86_64_zext_immediate_operand, symbolic_operand,
 577         no_seg_address_operand, aligned_operand,
 578         memory_displacement_operand): Likewise.
 579         * config/i386/sse.md (*mov<mode>_internal,
 580         *movv2df_internal): Likewise.
 581
 582 2005-04-22  Jan Hubicka  <jh@suse.cz>
 583
 584         * Makefile.in (ipa.o, ipa-inline.o): New files.
 585         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
 586         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
 587         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
 588         * cgraphunit.c (cgraph_default_inline_p,
 589         cgraph_decide_inlining_incrementally,  ncalls_inlined,
 590         nfunctions_inlined, initial_insns, overall_insns,
 591         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
 592         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
 593         cgraph_mark_inline, cgraph_check_inline_limits,
 594         cgraph_default_inline_p, cgraph_recursive_inlining_p,
 595         update_callee_keys, lookup_recursive_calls,
 596         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
 597         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
 598         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
 599         pass_ipa_inline): Move to ipa-inline.c
 600         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
 601         * ipa.c: New file.
 602         * ipa-inline.c: New file.
 603
 604 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 605
 606         * doc/invoke.texi (SPARC options): Document that -mapp-regs
 607         is turned off by default on Solaris.
 608
 609 2005-04-21  Roger Sayle  <roger@eyesopen.com>
 610
 611         * c-common.h (objc_build_method_signature): Update prototype.
 612         * stub-objc.c (objc_build_method_signature): Update the stub
 613         implementation to accept and ignore additional parameter.
 614         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
 615         the value of ellipsis to objc_build_method_signature instead
 616         of setting TREE_OVERFLOW on the parms TREE_LIST node.
 617
 618 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
 619
 620         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
 621         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
 622         gen_rtx_* not gen_rtx_fmt_*.
 623         (rs6000_emit_vector_select): Likewise.
 624         (rs6000_emit_sync): New.
 625         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
 626         (larx, stcx, cmp): New mode substitutions.
 627         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
 628         UNSPEC_ISYNC): New constants.
 629         (rlwinm): Give name.
 630         (memory_barrier, isync, lwsync): New insns.
 631         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
 632         (sync_lock_release<mode>): New expander.
 633         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
 634         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
 635         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
 636         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
 637         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
 638         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
 639         (sync_add<mode>_internal, sync_addshort_internal,
 640         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
 641         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
 642         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
 643
 644         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
 645         is the memory before, not after, the operation.  Clarify
 646         barrier requirements.
 647
 648 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 649
 650         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
 651         * lambda.h (lambda_vector_min_nz): Likewise.
 652         * langhooks.h (struct lang_hooks_for_types,
 653         struct lang_hooks): Likewise.
 654         * output.h (assemble_integer, this_is_asm_operands): Likewise.
 655         * tree.h: Likewise.
 656         * vec.h: Likewise.
 657         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
 658
 659         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
 660         comments to avoid 'abort'.  Use gcc_assert as necessary.
 661         * opts.c (common_handle_option): Likewise.
 662         * pretty-print.c (pp_base_format_text): Likewise.
 663         * print-rtl.c (print_rtx): Likewise.
 664         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
 665         * regmove.c (try_auto_increment): Likewise.
 666         * reload.c (find_valid_class, find_reloads_toplev,
 667         find_equiv_reg): Likewise.
 668         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
 669         merge_assigned_reloads): Likewise.
 670         * tree-inline.c (inline_forbidden_p_1,
 671         estimate_num_insns_1): Likewise.
 672         * tree-optimize.c (execute_todo): Likewise.
 673         * tree-outof-ssa.c (eliminate_phi): Likewise.
 674         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
 675         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
 676         * tree-ssa-operands.c (parse_ssa_operands,
 677         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
 678         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
 679         * tree-ssanames.c (release_ssa_name): Likewise.
 680         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
 681         walk_tree): Likewise.
 682
 683         * tree-ssa-operands.c (verify_abort): Fold into ..
 684         (verify_imm_links): ... here.
 685
 686 2005-04-21  Richard Henderson  <rth@redhat.com>
 687
 688         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
 689         on non-memory operand for previous inversion.
 690
 691 2005-04-21  Devang Patel  <dpatel@apple.com>
 692
 693         PR optimization/20994
 694         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
 695         x = !(a == b) : p , q;.
 696         (pass_if_conversion): Verify stmts and flow.
 697
 698 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 699
 700         * optabs.c (gen_conditional_trap): Restore #define.
 701
 702         * alias.c (true_dependence): Remove 'abort' from comments. Use
 703         gcc_assert and gcc_unreachable as appropriate.
 704         (canon_true_dependence): Likewise.
 705         * bb-reorder.c (connect_traces): Likewise.
 706         * c-common.c (c_add_case_label): Likewise.
 707         * c-decl.c (finish_function): Likewise.
 708         * caller-save.c (insert_restore, insert_save): Likewise.
 709         * cfg.c (update_bb_profile_for_threading): Likewise.
 710         * cfganal.c (flow_active_insn_p): Likewise.
 711         * cfgexpand.c (add_reg_br_prob_note): Likewise.
 712         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
 713         cfg_layout_merge_blocks): Likewise.
 714         * ifcvt.c (cond_exec_process_insns, merge_if_block,
 715         find_if_block): Likewise.
 716         * integrate.c (allocate_initial_values): Likewise.
 717         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
 718         swap_condition, unsigned_condition, signed_condition,
 719         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
 720         reg_or_subregno): Likewise.
 721         * lambda-code.c (lambda_compute_auxillary_space,
 722         lambda_transform_legal_p): Likewise.
 723         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
 724         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
 725         lhd_incomplete_type_error, lhd_expand_expr,
 726         lhd_types_compatible_p, lhd_tree_size): Likewise.
 727         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
 728         * local-alloc.c (update_equiv_regs): Likewise.
 729         * loop-unroll.c (peel_loop_completely
 730         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
 731         peel_loop_simple, unroll_loop_stupid,
 732         analyze_iv_to_split_insn): Likewise.
 733         * loop.c (gen_prefetch, find_and_verify_loops,
 734         basic_induction_var): Likewise.
 735         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
 736         * value-prof.c (tree_find_values_to_profile): Likewise.
 737         * varasm.c (named_section, default_assemble_integer,
 738         decode_addr_const): Likewise.
 739
 740 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
 741            Fariborz Jahanian <fjahanian@apple.com>
 742
 743         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
 744         portion of argument passed in fpr.
 745         * expr.c (emit_push_insn): Fix computation of 'offset' used to
 746         decide on partial argument save on stack.
 747
 748 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
 749
 750         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
 751         comment typos.
 752
 753 2005-04-21  Jan Hubicka  <jh@suse.cz>
 754
 755         * cgraphunit.c: Include tree-pass.h
 756         (cgraph_decide_recursive_inlining,
 757         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
 758         cgraph_decide_inlining): Dump goes to dump_file.
 759         (cgraph_optimize): Call ipa passes instead of inliner.
 760         (cgraph_gate_inlining, pass_ipa_inline): New.
 761         * tree-optimize.c (all_ipa_passes): New static variable.
 762         (register_one_dump_file): Dead with IPA passes.
 763         (register_dump_files): Likewise.
 764         (init_tree_optimization_passes): Initialize IPA passes.
 765         (execute_todo): Do cgraph dump when asked to, do not dump function body
 766         for IPA pass.
 767         * tree-pass.h (TODO_dump_cgraph): New macro.
 768         (ipa_passes): Declare.
 769         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
 770
 771 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 772
 773         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
 774         gcc_assert instead of abort.
 775         (classify_argument, examine_argument, construct_container,
 776         contains_128bit_aligned_vector_p, ix86_check_movabs,
 777         standard_80387_constant_opcode, standard_80387_constant_rtx,
 778         ix86_initial_elimination_offset, ix86_compute_frame_layout,
 779         pro_epilogue_adjust_stack, ix86_expand_epilogue,
 780         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
 781         legitimize_tls_address, output_pic_addr_const,
 782         i386_output_dwarf_dtprel, put_condition_code, print_reg,
 783         get_some_local_dynamic_name, print_operand, print_operand_address,
 784         output_387_binary_op, emit_i387_cw_initialization,
 785         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
 786         ix86_expand_clear, ix86_expand_binary_operator,
 787         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
 788         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
 789         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
 790         ix86_expand_branch, ix86_expand_setcc,
 791         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
 792         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
 793         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
 794         memory_address_length, ix86_attr_length_immediate_default,
 795         ix86_attr_length_address_default, ix86_agi_dependant,
 796         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
 797         ix86_expand_binop_builtin, ix86_force_to_memory,
 798         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
 799         x86_emit_floatuns): Likewise.
 800         * config/i386/netware.c (gen_regparm_prefix,
 801         i386_nlm_strip_name_encoding): Likewise.
 802         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
 803
 804 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 805
 806         * optabs.c (gen_condiational_trap): Remove #define.
 807         (add_equal_note): Assertify. Remove explicit indirection from
 808         call via function pointer.
 809         (expand_ternary_op, expand_simple_binop, expand_binop,
 810         expand_twoval_unop, expand_twoval_binop,
 811         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
 812         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
 813         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
 814         prepare_float_lib_cmp, emit_conditional_move,
 815         emit_conditional_add, gen_add2_insn, gen_add3_insn,
 816         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
 817         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
 818         vector_compare_rtx, expand_vec_cond_expr): Likewise.
 819
 820 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 821
 822         * vec.h: Update API to separate allocation mechanism from type.
 823         (VEC_safe_grow): New.
 824         * vec.c (calculate_allocation): New.
 825         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
 826         (vec_gc_free, vec_heap_free): Remove.
 827         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
 828         (VEC): Likewise.
 829         (mangle_macro_name): New.
 830         (struct macro_def): New.
 831         (struct macro): Add multiple argument values.
 832         (macro_expans_end): New.
 833         (push_macro_expansion):  Chain on new macro. Process multiple
 834         args, create follow on expansion. Return follow on argument.
 835         (macro_input): Deal with multiple arguments.
 836
 837         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
 838         (struct tree_binfo): Adjust.
 839         * basic-block.h: Define VEC(edge,gc).
 840         (struct edge_def): Adjust.
 841         (struct basic_block_def, struct edge_iterator): Likewise.
 842         (ei_container, ei_start_1, ei_last_1): Likewise.
 843         * cfg.c (connect_src, connect_dest): Likewise.
 844         * cfgrtl.c (force_nonfallthru_and_redirect)
 845         * dbxout.c (dbxout_type)
 846         * dwarf2out.c (gen_member_die)
 847         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
 848         (gcc_tree_to_linear_expression): Adjust.
 849         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
 850         lbv_to_gcc_expression, lle_to_gcc_expression,
 851         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
 852         perfect_nestify): Likewise.
 853         * lambda.h (gcc_loopnest_to_lambda_loopnest,
 854         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
 855         * profile.c (instrument_values): Adjust.
 856         * tree-cfg.c (modified_noreturn_calls): Adjust.
 857         (remove_fallthru_edge): Likewise.
 858         * tree-dump.c (dequeue_and_dump): Adjust.
 859         * tree-flow-inline.h (mark_stmt_modified): Adjust.
 860         * tree-flow.h (modified_noreturn_calls): Adjust.
 861         (tree_on_heap): Remove. (yay!)
 862         (register_new_def): Adjust.
 863         * tree-into-ssa.c: Define VEC(int,heap).
 864         (block_defs_stack): Adjust.
 865         (find_idf, insert_phi_nodes, register_new_def,
 866         rewrite_initialize_block, rewrite_finalize_block,
 867         register_new_update_single, rewrite_update_init_block,
 868         rewrite_update_fini_block, rewrite_blocks,
 869         ssa_rewrite_finalize_block, ssa_register_new_def,
 870         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
 871         * tree-loop-linear.c (linear_transform_loops): Adjust.
 872         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
 873         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
 874         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
 875         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
 876         vrp_variables_stack): Adjust declarations.
 877         (tree_ssa_dominator_optimize): Adjust.
 878         (dom_opt_initialize_block, remove_local_expressions_from_table,
 879         restore_nonzero_vars_to_original_value,
 880         restore_vars_to_original_value,
 881         restore_currdefs_to_original_value, dom_opt_finalize_block,
 882         record_var_is_nonzero, record_cond, record_const_or_copy_1,
 883         optimize_stmt, update_rhs_and_lookup_avail_expr,
 884         lookup_avail_expr, record_range): Likewise.
 885         * tree-ssa-pre.c: Define VEC(basic_block,heap).
 886         (compute_antic_aux): Adjust.
 887         (inserted_exprs, create_expression_by_pieces,
 888         insert_into_preds_of_block, eliminate, mark_operand_necessary,
 889         remove_dead_inserted_code, fini_pre): Likewise.
 890         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
 891         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
 892         ssa_prop_init): Likewise.
 893         * tree-ssa.c: Define VEC(bitmap,heap).
 894         (verify_name_tags): Adjust.
 895         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
 896         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
 897         tree_divmod_values_to_profile, tree_find_values_to_profile,
 898         value_profile_transformations): Likewise.
 899         * value-prof.h: Define VEC(histogram_value,heap).
 900         * varasm.c: Remove alias_pair pointer typedef, define
 901         VEC(alias_pair,gc).
 902         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
 903
 904         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
 905         not a pointer to it.  Create an object vector.
 906         (extern_symbols): Turn into an object vector.
 907         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
 908
 909 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
 910
 911         PR/20742
 912         * Makefile.in (tree-chrec.o): Depend on params.h.
 913         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
 914         default value 20.
 915         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
 916         and fold build with fold_buildN.
 917         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
 918         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
 919         (tree_contains_chrecs): Compute an estimation of the size of the
 920         given expression.
 921         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
 922         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
 923         * tree-scalar-evolution.c (simple_iv): Ditto.
 924         * doc/invoke.texi (scev-max-expr-size): Documented.
 925
 926 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
 927
 928         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
 929         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
 930         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
 931         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
 932         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
 933         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
 934         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
 935         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
 936         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
 937         (darwin_fix_and_continue_switch): Delete.
 938         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
 939         (SUBTARGET_SWITCHES): Delete.
 940         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
 941         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
 942         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
 943         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
 944         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
 945         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
 946         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
 947         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
 948         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
 949         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
 950         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
 951         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
 952         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
 953         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
 954         (TARGET_64BIT): Undef before redefining.
 955         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
 956         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
 957         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
 958         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
 959         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
 960         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
 961         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
 962         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
 963         (ix86_debug_arg_string, ix86_debug_addr_string)
 964         (ix86_align_loops_string, ix86_align_jumps_string)
 965         (ix86_align_funcs_string): Delete.
 966         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
 967         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
 968         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
 969         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
 970         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
 971         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
 972         (SUBTARGET_SWITCHES): Delete.
 973         * config/i386/i386.c (ix86_debug_arg_string): Delete.
 974         (ix86_debug_addr_string): Delete.
 975         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
 976         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
 977         (ix86_align_loops_string, ix86_align_jumps_string)
 978         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
 979         (ix86_align_funcs_string): Make static.
 980         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 981         (ix86_handle_option): New function.
 982         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
 983         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
 984         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
 985         of darwin_fix_and_continue_switch.
 986         (darwin_one_byte_bool): Delete.
 987         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
 988         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
 989         to darwin_one_byte_bool.
 990         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
 991         * config/i386/djgpp.opt, config/i386/i386.opt,
 992         * config/i386/sco5.opt: New files.
 993
 994 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 995
 996         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
 997         fp_zero_operand, fp_register_operand, intreg_operand,
 998         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
 999         call_operand, call_operand_address, tgd_symbolic_operand,
1000         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
1001         symbolic_operand, symbolic_memory_operand, label_ref_operand,
1002         sp64_medium_pic_operand, data_segment_operand,
1003         text_segment_operand, splittable_symbolic_memory_operand,
1004         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
1005         eq_or_neq, normal_comp_operator, noov_compare_op,
1006         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
1007         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
1008         const64_operand, const64_high_operand, arith11_operand,
1009         arith10_operand, arith_double_operand, arith_double_4096_operand,
1010         arith_double_add_operand, arith11_double_operand,
1011         arith10_double_operand, small_int, small_int_or_double,
1012         uns_small_int, uns_arith_operand, clobbered_register,
1013         input_operand, compare_operand): Delete.
1014         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
1015         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
1016         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
1017         (GEN_HIGHINT64, GEN_INT64): Delete.
1018         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1019         gen_safe_XOR64): Adjust for above deletion.
1020         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
1021         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
1022         (legitimate_constant_p): Use const_zero_operand instead.
1023         (sparc_extra_constraint_check): Likewise.
1024         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
1025         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
1026         (PREDICATE_CODES): Delete.
1027         * config/sparc/sparc.md: Include predicates.md.
1028         (All patterns): Adjust for new predicate names.
1029         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
1030         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
1031         (movdi): Use general_operand predicate.
1032         (movdi_sp64_dbl): Delete.
1033         (movdi_const64_special): Add 'N' constraint.
1034         (movdicc): Use arith10_operand predicate.
1035         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
1036         (movdi_cc_reg_sp64): Use arith10_operand predicate.
1037         (movdi_cc_reg_sp64_trunc): Delete.
1038         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
1039         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
1040         (subdi3_sp32): Delete.
1041         (subdi3_insn_sp32): Change to define_insn_and_split.
1042         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
1043         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
1044         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
1045         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
1046         small_int_operand predicate.
1047         (divdi3, udivdi3): Use arith_operand predicate.
1048         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
1049         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
1050         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
1051         (xordi3_sp64_dbl): Delete.
1052         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1053         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
1054         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
1055         cmp_ccx_set_not): Use arith_operand predicate.
1056         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
1057         * config/sparc/predicates.md: New file.
1058
1059 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
1060
1061         PR tree-optimization/14846
1062         * fold-const.c (fold_single_bit_test_into_sign_test): New,
1063         split out from ...
1064         (fold_single_bit_test): ... here.
1065         (fold_binary): Call fold_single_bit_test_into_sign_test
1066         instead of fold_single_bit_test.
1067
1068 2005-04-20  James E Wilson  <wilson@specifixinc.com>
1069
1070         PR c++/20805
1071         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
1072         is another declaration.
1073
1074 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
1075
1076         * config/cris/predicates.md: New file.
1077         * config/cris/cris-protos.h (cris_store_multiple_op_p)
1078         (cris_movem_load_rest_p): Declare.
1079         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
1080         (cris_movem_load_rest_p): Ditto.  Globalize.
1081         (cris_bdap_operand, cris_bdap_biap_operand,
1082         cris_orthogonal_operator, cris_commutative_orth_op,
1083         cris_operand_extend_operator,
1084         cris_additive_operand_extend_operator, cris_extend_operator,
1085         cris_plus_or_bound_operator, cris_mem_op,
1086         cris_general_operand_or_symbol,
1087         cris_general_operand_or_gotless_symbol,
1088         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
1089         cris_load_multiple_op): Remove predicate functions.
1090         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
1091         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
1092         * config/cris/cris.h (PREDICATE_CODES): Don't define.
1093         * config/cris/cris.md: Include predicates.md.
1094         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
1095
1096 2005-04-20  Ian Lance Taylor  <ian@airs.com>
1097
1098         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
1099         * c-common.h (STMT_EXPR_STMT): Don't define.
1100         (STMT_EXPR_NO_SCOPE): Don't define.
1101         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
1102         * c-pretty-print.c (pp_c_primary_expression): Likewise.
1103         (pp_c_expression): Likewise.
1104
1105 2005-04-20  Richard Henderson  <rth@redhat.com>
1106
1107         PR target/21100
1108         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
1109
1110 2005-04-20  Jeff Law  <law@redhat.com>
1111
1112         * reload1.c (reload): Ignore equivalences between pseudos and
1113         read only memory.
1114
1115 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
1116
1117         PR c/12913
1118         * c-tree.h (struct c_label_list): Update comment.
1119         (struct c_label_context): Rename to struct c_label_context_se.
1120         (label_context_stack): Rename to label_context_stack_se.
1121         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
1122         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
1123         c_end_vm_scope): New.
1124         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
1125         * c-decl.c (pop_scope): Call c_end_vm_scope.
1126         (pushdecl): Call c_begin_vm_scope for variably modified
1127         declarations.
1128         (define_label): Check for jumping into scope of identifier with
1129         variably modified type.  Push label on stack for those defined at
1130         current context of identifiers with variably modified type.
1131         (start_function): Create stack level for context of identifiers
1132         with variably modified type.
1133         (finish_function): Pop stack level for context of identifiers with
1134         variably modified type.
1135         * c-typeck.c (label_context_stack): Rename to
1136         label_context_stack_se.
1137         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
1138         (c_finish_goto_label): Check for jumping into scope of identifier
1139         with variably modified type.  Push label on stack for those jumped
1140         to from current context of identifiers with variably modified
1141         type.
1142         (struct c_switch): Add blocked_vm.
1143         (c_start_case): Initialize blocked_vm.
1144         (do_case): Check blocked_vm.
1145         (c_finish_case): Add comment.
1146         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
1147         variable label_context_stack.
1148
1149 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1150
1151         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
1152         conditional_replacement, value_replacement, abs_replacement,
1153         minmax_replacement.
1154         (replace_phi_edge_with_variable): Remove argument BB.
1155         (conditional_replacement, value_replacement,
1156         minmax_replacement, abs_replacement): Remove argument PHI_BB.
1157         Update a call to replace_phi_edge_with_variable.
1158
1159         * tree-ssa-phiopt.c: Fix comments.
1160
1161 2005-04-20  Michael Matz  <matz@suse.de>
1162
1163         PR20973
1164         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
1165         pseudos.
1166
1167 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1168
1169         * tree-ssa-phiopt.c: Fix comment typos.
1170
1171         PR tree-optimization/21116
1172         * tree-ssa-phiopt.c: Fix a typo.
1173
1174 2005-04-19  Richard Henderson  <rth@redhat.com>
1175
1176         * builtins.c (expand_builtin_sync_operation): Revert last change.
1177         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
1178         not vs new value.
1179         (expand_compare_and_swap_loop): Likewise.
1180         (expand_sync_operation): Remove fallback from NAND to AND; invert
1181         memory operand when expanding from cmpxchg.
1182         (expand_sync_fetch_operation): Likewise.
1183         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
1184         compare-and-swap.
1185
1186         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
1187         when implementing NAND.  Fix double-add for AFTER.
1188         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
1189         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1190         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
1191         memory value.
1192         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
1193         memory barrier.
1194
1195         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
1196         to return old memory value.
1197         (sync_compare_and_swap_cc<IMODE>): Likewise.
1198
1199         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
1200         return pre-reload.  Don't consider output or anti dependencies.
1201         * config/ia64/sync.md (IMODE): New.
1202         (modesuffix): Add QI and HI.
1203         (memory_barrier): Simplify expansion.
1204         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
1205         (cmpxchg_acq_<IMODE>): Likewise.
1206         (sync_lock_test_and_set<IMODE>): Likewise.
1207         (sync_lock_release<IMODE>): Likewise.
1208
1209 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1210
1211         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
1212         ~X or ~Y simplify.
1213
1214 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1215
1216         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
1217
1218 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
1219             Joseph S. Myers  <joseph@codesourcery.com>
1220
1221         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
1222         * c-typeck.c (build_c_cast): Check these options.
1223         * doc/invoke.texi: Document these options.
1224
1225 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1226
1227         * tree-ssa-phiopt.c: Update a comment about the pass.
1228
1229 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
1232         config/mcore/mcore.c: Fix comment typos.
1233
1234 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
1235
1236         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
1237         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
1238
1239 2005-04-19  Paul Brook  <paul@codesourcery.com>
1240
1241         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
1242
1243 2005-04-19  Andrew Haley  <aph@redhat.com>
1244
1245         PR java/21022
1246         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1247         looking at a field's bitpos.
1248
1249 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1250
1251         * system.h (fopen, fdopen, freopen): Define these to the unlocked
1252         libiberty functions.
1253
1254 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1255
1256         PR tree-optimization/21096
1257         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1258
1259 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
1260
1261         PR target/21098
1262         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1263         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1264
1265 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
1266
1267         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1268         refers to the function being dumped.
1269
1270 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
1271
1272         * varasm.c (assemble_start_function): Remove reset of in_section.
1273
1274 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1275
1276         PR tree-optimization/21085
1277         * fold-const (fold_binary): Don't change X % -C to X % C if C has
1278         overflowed.
1279
1280 2005-04-19  Ben Elliston  <bje@au.ibm.com>
1281
1282         * doc/invoke.texi (Optimize Options): Refer to the correct
1283         optimisation flag -ftree-dominator-opts, not -ftree-dom.
1284
1285 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1286
1287         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
1288         alloca argument to be big enough.
1289
1290 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
1291
1292         PR middle-end/21049
1293         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1294         cfun->cfg are NULL.
1295
1296 2005-04-18  Tom Tromey  <tromey@redhat.com>
1297
1298         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1299         typo.
1300
1301 2005-04-18  Richard Henderson  <rth@redhat.com>
1302
1303         * config/alpha/alpha.c (alpha_split_atomic_op): New.
1304         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1305         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
1306         * config/alpha/alpha-protos.h: Update.
1307         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1308         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1309         (attr type): Add ld_l, st_c, mb.
1310         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1311         iornotsi3, xorsi_internal, xornotsi3): New.
1312         * config/alpha/ev4.md (ev4_ld): Add ld_l.
1313         (ev4_ist_c, ev4_mb): New.
1314         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1315         (ev5_ld_l): New.
1316         * config/alpha/ev6.md (ev6_ild): Add ld_l.
1317         (ev6_ist): Add st_c.
1318         (ev6_mb): New.
1319         * config/alpha/sync.md: New file.
1320
1321 2005-04-18  Richard Henderson  <rth@redhat.com>
1322
1323         * builtins.c (expand_builtin_sync_operation): Fold nand to and
1324         for constants.
1325
1326         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1327
1328 2005-04-18  Devang Patel  <dpatel@apple.com>
1329
1330         * config/rs6000/atlivec.md (mulv4si3): New pattern.
1331
1332 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1333
1334         PR tree-optimization/20922
1335         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1336         Fold X + c >= X and fold X - c <= X to true.
1337
1338 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1339
1340         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1341         unsigned int.
1342         (emergency_labeled_state_free): Likewise.
1343
1344 2005-04-18  Nick Clifton  <nickc@redhat.com>
1345
1346         * config/h8300/h8300.md (jump): Remove prescan parameter from
1347         calls to final_scan_insn.
1348
1349         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1350         parameter from calls to final_scan_insn.
1351
1352         * config.gcc (m68hc12): Use the m68hc11.opt file for target
1353         specific options.
1354         (v850e, v850e1): Use the v850.opt file for target specific
1355         options.
1356
1357 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
1358
1359         PR tree-optimization/21001
1360         * tree-optimize.c (init_tree_optimization_passes): Move the
1361         first pass_forwprop immediately before pass_vrp.
1362
1363 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1364
1365         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1366         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1367         from enum tree_code op to bool is_sizeof.
1368         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1369         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1370         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1371         case.
1372         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1373         cases.
1374         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1375         ALIGNOF_EXPR cases.
1376
1377 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1378
1379         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1380
1381 2005-04-17  Richard Henderson  <rth@redhat.com>
1382
1383         * config/alpha/alpha.c (va_list_skip_additions): Only define if
1384         TARGET_ABI_OSF.
1385         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1386         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
1387         of indirection through ssa names while looking for the gpr counter
1388         field.
1389         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1390         saved va_list_gpr_size and va_list_fpr_size.
1391
1392 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1393
1394         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1395         both pointers or both integers.
1396
1397         * tree-vrp.c (maybe_add_assert_expr): Don't assert
1398         ASSERT_EXPRs for single-use variable.
1399
1400         * tree-into-ssa.c: Fix a comment typo.
1401
1402 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
1403
1404         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1405         -mipsN before forcing a default of -mips2.
1406
1407 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1408
1409         * predict.h (IS_TAKEN): Remove.
1410         * rtl.h (NOTE_PREDICTION): Likewise.
1411
1412         * modulo-sched.c (CFG_HOOKS): Remove.
1413
1414         * c-parser.c (N_C_TTYPES): Remove.
1415
1416         * tree-flow-inline.h (get_stmt_operands): Remove.
1417         * lambda-code.c, tree-ssa-loop-unswitch.c,
1418         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1419         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1420         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1421         calls to get_stmt_operands.
1422         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1423
1424 2005-04-17  Richard Henderson  <rth@redhat.com>
1425
1426         PR target/20375
1427         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1428         of CUMULATIVE_ARGS past the last named argument.
1429         (alpha_va_start): Expect pretend_args_size only if strictly less than
1430         6 named arguments.
1431
1432 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1433
1434         PR middle-end/21024
1435         * builtins.c (expand_builtin_strcat): Convert the result of
1436         strlen to the right type.
1437         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1438         avoid creating type mismatches.
1439         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1440         type mismatches.
1441
1442         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1443
1444 2005-04-16  Richard Henderson  <rth@redhat.com>
1445
1446         PR target/21051
1447         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1448         Use the mode of boolean_type_node when the user doesn't provide one.
1449         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1450
1451 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
1452
1453         PR target/20126
1454         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1455         (const)).
1456
1457         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1458         comment.
1459
1460 2005-04-16  Roger Sayle  <roger@eyesopen.com>
1461             Steven Bosscher  <stevenb@suse.de>
1462
1463         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1464         (fold_unary_to_constant): Likewise.
1465
1466 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
1467
1468         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1469         PROP_ASM_SCAN.
1470
1471 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
1472
1473         * doc/install.texi (Specific): Avoid using asterisks in @anchor
1474         names related to target triplets.
1475         Remove i?86-*-esix from platform directory.
1476         Remove powerpc-*-eabiaix from platform directory.
1477
1478 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
1479
1480         PR middle-end/20491
1481         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1482         falling through from SUBREG case to REG.
1483
1484 2005-04-15  Roger Sayle  <roger@eyesopen.com>
1485
1486         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1487         (fold_binary): Update comment mentioning fold_relational_hi_lo.
1488         (fold_binary_to_constant): Simplify using fold_binary.
1489         (fold_unary_to_constant): Likewise, simplify using fold_unary.
1490
1491 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1492
1493         * gthr-posix.c (pthread_cancel): Define.
1494         (pthread_mutexattr_init): Likewise.
1495         (pthread_mutexattr_settype): Likewise.
1496         (pthread_mutexattr_destroy): Likewise.
1497
1498 2005-04-15  David S. Miller  <davem@davemloft.net>
1499
1500         PR target/20673
1501         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1502
1503 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1504
1505         PR tree-optimization/21031
1506         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1507         (forward_propagate_into_cond_1): Call it.  Forward propagate
1508         integer-integer casts into COND_EXPRs.
1509
1510 2005-04-15  Dave Korn  <dave.korn@artimi.com>
1511
1512         * gcc.c (default_compilers): Clarify obscure error message when
1513         reading from standard input.
1514
1515 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1516
1517         * basic-block.h (PROP_EQUAL_NOTES): Remove.
1518         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1519
1520         * tree-ssa-alias.c (init_alias_info): Remove a call to
1521         get_stmt_operands.
1522
1523 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
1524
1525         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1526         of non-virtual PHI nodes like we use to.
1527
1528 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
1529
1530         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1531         (attr_copy_rtx): Do not use it.
1532
1533 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
1534
1535         * doc/tree-ssa.texi: Grammer/abbreviation updates.
1536
1537 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
1538
1539         * tree-vect-transform.c (vectorizable_store): Mark necessary
1540         objects in the vectorized store needing renaming.  Update the
1541         SSA graph for V_MAY_DEF operands in the original store.
1542
1543 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
1544
1545         * tree-ssa-pre.c (compute_avail): It's okay to have
1546         TREE_INVARIANT's here, and value number the resulting expressions.
1547         (create_expression_by_pieces): Make sure operands that were
1548         min_invariant when we started, stay that way.
1549
1550 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
1551
1552         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1553
1554 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1555
1556         PR tree-optimization/20936.
1557         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1558
1559 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1560
1561         * doc/invoke.texi: Fix typos.
1562         * doc/md.texi: Likewise.
1563         * doc/rtl.texi: Likewise.
1564         * doc/sourcebuild.texi: Likewise.
1565         * doc/tm.texi: Likewise.
1566
1567 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
1568
1569         PR tree-optimization/21004
1570         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1571         and floorl in c99 mode only.
1572         * builtins.c (expand_builtin_int_roundingfn): Assert that
1573         fallback_fndecl is not NULL_TREE.
1574
1575 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1576
1577         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1578         * basic-block.h: Update the prototype for
1579         purge_all_dead_edges.
1580         * cfgexpand.c (tree_expand_cfg): Update a call to
1581         purge_all_dead_edges.
1582         * combine.c (combine_instructions): Likewise.
1583         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1584         rest_of_handle_cse2, rest_of_handle_gcse,
1585         rest_of_handle_postreload): likewise.
1586
1587 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
1588
1589         PR middle-end/20739
1590         * gimplify.c (gimplify_addr_expr): Compensate for removal of
1591         e.g. cv-qualification conversions.
1592
1593 2005-04-14  Mike Stump  <mrs@apple.com>
1594
1595         * config/darwin-c.c (framework_construct_pathname): We must
1596         find all headers of a framework in the first instance of it
1597         found in the seach path.
1598
1599 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1600
1601         PR tree-optimization/21021
1602         * tree-vrp.c (compare_values): Work around a bug in the front
1603         end that produces a comparison of mismatched types.
1604
1605 2004-04-14  Richard Henderson  <rth@redhat.com>
1606
1607         * config/ia64/ia64.h (enum fetchop_code): Remove.
1608         (enum ia64_builtins): Move ...
1609         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
1610         members except BSP and FLUSHRS.
1611         (ia64_init_builtins): Remove __sync builtins.
1612         (ia64_expand_builtin): Likewise.
1613         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1614         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1615         (ia64_expand_lock_release): Remove.
1616         * config/ia64/ia64.md (mf): Move to sync.md.
1617         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1618         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1619         * config/ia64/sync.md: New file.
1620         (memory_barrier): Rename from mf.
1621         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1622         (cmpxchg_acq_<I48MODE>): Likewise.
1623         (sync_lock_test_and_set<I48MODE>): Likewise.
1624
1625         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1626         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
1627
1628 2004-04-14  Richard Henderson  <rth@redhat.com>
1629
1630         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1631         (ix86_compare_emitted): New.
1632         (ix86_expand_compare): Use ix86_compare_emitted if set.
1633         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1634         and ix86_compare_op0 are set.
1635         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1636         (TARGET_CMPXCHG, TARGET_XADD): New.
1637         (ix86_compare_emitted): Declare.
1638         * config/i386/i386.md: Include sync.md
1639         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1640         (UNSPECV_XCHG, UNSPECV_LOCK): New.
1641         * config/i386/sync.md: New file.
1642
1643 2004-04-14  Richard Henderson  <rth@redhat.com>
1644
1645         PR middle-end/14311
1646         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1647         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1648         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1649         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1650         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1651         BT_FN_I8_VPTR_I8_I8): New.
1652         * builtins.def (DEF_SYNC_BUILTIN): New.
1653         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1654         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1655         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1656         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1657         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1658         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1659         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1660         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1661         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1662         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1663         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1664         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1665         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1666         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1667         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1668         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1669         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1670         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1671         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1672         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1673         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1674         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1675         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1676         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1677         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1678         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1679         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1680         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1681         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1682         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1683         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1684         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1685         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1686         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1687         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1688         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1689         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1690         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1691         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1692         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1693         BUILT_IN_SYNCHRONIZE: New.
1694         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1695         as a function.  Accept __sync_ as a prefix as well.
1696         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1697         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1698         expand_builtin_lock_release): New.
1699         (expand_builtin): Call them.
1700         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1701         neither BOTH_P nor FALLBACK_P are defined.
1702         (builtin_type_for_size): New.
1703         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1704         (resolve_overloaded_builtin): New.
1705         * c-common.h (resolve_overloaded_builtin): Declare.
1706         (builtin_type_for_size): Declare.
1707         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1708         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1709         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1710         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1711         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1712         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1713         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1714         sync_compare_and_swap_cc, sync_lock_test_and_set,
1715         sync_lock_release): New.
1716         * optabs.h: Declare them.
1717         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1718         expand_sync_operation, expand_sync_fetch_operation,
1719         expand_sync_lock_test_and_set): Declare.
1720         * genopinit.c (optabs): Add sync optabs.
1721         * optabs.c (init_optabs): Initialize sync optabs.
1722         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1723         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1724         expand_sync_operation, expand_sync_fetch_operation,
1725         expand_sync_lock_test_and_set): New.
1726         * doc/extend.texi (Atomic Builtins): New section
1727         * doc/md.texi (Standard Names): Add sync patterns.
1728
1729 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
1730
1731         * tree-eh.c (lower_try_finally_copy): Generate new code in
1732         response to goto_queue entries as if the queue was sorted by
1733         index, not pointers.
1734         (lower_try_finally_switch): Likewise.
1735
1736 2005-04-14  Richard Henderson  <rth@redhat.com>
1737
1738         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1739         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
1740         register.
1741         (ix86_expand_fp_movcc): Update to match.
1742         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1743         * config/i386/i386-protos.h: Update.
1744         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1745         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1746
1747 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1750         refer to 4.0.
1751
1752 2005-04-14  Julian Brown  <julian@codesourcery.com>
1753
1754         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1755         link failures on ppc64 Linux.
1756
1757 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1758
1759         * config.gcc: Set cpu_type for s390.
1760
1761 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
1762
1763         Fix PR tree-optimization/20963
1764         * tree-ssa-pre.c (compute_avail): Remove special case for
1765         TREE_INVARIANT.
1766         (create_expression_by_pieces): Add value numbers for forced out
1767         statements.
1768
1769 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
1770
1771         * config/cris/cris.md: Replace references to (reg:SI 16) with
1772         (reg:SI CRIS_SRP_REGNUM).
1773
1774 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1775
1776         PR tree-optimization/20657
1777         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1778         create an appropriate range from it.
1779
1780 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1781
1782         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1783         <UNSPEC_FIST_CEIL> case.
1784
1785         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1786         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1787         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1788         to implement lfloor and llfloor built-ins as x87 intrinsic function.
1789         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1790         (lfloor<mode>2): New expanders.
1791         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1792         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1793         to implement lceil and llceil built-ins as x87 intrinsic function.
1794         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1795         (lceil<mode>2): New expanders.
1796
1797 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1798
1799         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1800         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1801
1802 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
1803
1804         PR target/20927
1805         * config/s390/s390-modes.def: Define TFmode.
1806
1807 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
1808
1809         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1810         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1811         * config/mips/mips.c (mips16_insn_length): Remove reference to
1812         JUMP_TABLES_IN_TEXT_SECTION.
1813
1814 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1815
1816         * simplify-rtx.c (simplify_binary_operation_1): Return
1817         scalar or vector of constant 0, depending on the xor's
1818         mode.
1819
1820 2005-04-13  Dale Johannesen  <dalej@apple.com>
1821
1822         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
1823         (objc-act.o):  Ditto.
1824         * objc/objc-act.c (objc_gimplify_expr):  New.
1825         (objc_get_callee_fndecl):  New.
1826         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
1827         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
1828         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
1829
1830 2005-04-13  Devang Patel  <dpatel@apple.com>
1831
1832         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1833         temp variables.
1834
1835 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
1836
1837         CRIS prologue as RTL.
1838         * config/cris/cris-protos.h (cris_emit_movem_store)
1839         (cris_expand_prologue): Prototype.
1840         * config/cris/cris.c (struct machine_function): New member
1841         stdarg_regs.
1842         (cfa_label_num, cris_target_asm_function_prologue): Remove.
1843         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1844         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1845         (cris_load_multiple_op, cris_return_address_on_stack)
1846         (cris_return_address_on_stack_for_return): ISO-Cify.
1847         (cris_store_multiple_op): New predicate function.
1848         (cris_expand_prologue, cris_emit_movem_store): New functions.
1849         (cris_print_operand) <case 'O'>: Handle modifications other than
1850         post-increment.
1851         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1852         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1853         (cris_gen_movem_load): Rearrange slightly to make local variable
1854         src a parameter, removing osrc.
1855         (cris_setup_incoming_varargs): Set machine_function member
1856         stdarg_regs to correspond to the number of registers that need to
1857         be saved.
1858         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1859         CRIS_UNSPEC_GOT.
1860         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
1861         cris_general_operand_or_gotless_symbol accept UNSPEC.
1862         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1863         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1864         ("*cris_store_multiple"): New pattern.  Tweak common comment above
1865         this and "*cris_load_multiple".
1866         ("prologue"): New define_expand.
1867
1868         * config/cris/cris.md ("epilogue"): Conditionalize on
1869         TARGET_PROLOGUE_EPILOGUE.
1870
1871 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
1872
1873         PR target/20924
1874         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1875         fpsr 0 instead of fpsr 1.
1876         (divsf3_internal_thr): Ditto.
1877         (divdf3_internal_lat): Ditto.
1878         (divdf3_internal_thr): Ditto.
1879         (divxf3_internal_lat): Ditto.
1880         (divxf3_internal_thr): Ditto.
1881
1882 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1883
1884         PR tree-optimization/20913
1885         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
1886
1887         PR tree-optimization/20702
1888         * tree-vrp.c (maybe_add_assert_expr): Recurse into
1889         dominator children that haven't been walked into.
1890
1891 2005-04-13  Julian Brown  <julian@codesourcery.com>
1892
1893         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
1894         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
1895         is true.
1896
1897 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1898
1899         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
1900         config/i386/sse.md: Fix comment typos.
1901
1902         * genattrtab.c (NULL_ATTR): Remove.
1903         * ifcvt.c (NULL_EDGE): Likewise.
1904
1905         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
1906
1907         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
1908         NOTE_PREDICT): Remove.
1909
1910 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1911
1912         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
1913         * configure: Regenerate.
1914         * config.in: Likewise.
1915         * system.h: Declare vsnprintf if not already declared.
1916
1917 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1918
1919         * optc-gen.awk: Handle stand-alone Mask records.
1920         * opth-gen.awk: Likewise.
1921         * doc/options.texi (Option file format): Document them.
1922         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
1923         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
1924         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
1925         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
1926         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
1927         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
1928         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
1929         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
1930         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
1931         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
1932         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
1933         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
1934         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
1935         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
1936         TARGET_LONG_DOUBLE_128): Likewise.
1937         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
1938         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
1939         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
1940         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
1941         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
1942         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
1943         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1944         * config/sparc/sparc.c (fpu_option_set): New global.
1945         (sparc_handle_option): New function.
1946         (sparc_override_options): Test fpu_option_set.
1947         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
1948         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
1949         * config/sparc/sparc.opt: New file.
1950         * config/sparc/little-endian.opt: Likewise.
1951         * config/sparc/long-double-switch.opt: Likewise.
1952
1953 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1954
1955         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
1956         (bfin_handle_options): Set it if -mshared-library-id= is seen.
1957         * config/bfin/bfin.opt (mshared-library-id=): Lose
1958         Var(bfin_lib_id_given).
1959
1960 2005-04-13  Matt Thomas  <matt@3am-software.com>
1961
1962         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
1963         defining.
1964
1965 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1966
1967         * rtl.h (CLEAR_RTX_FLAGS): Remove.
1968
1969         * cgraphunit.c (INSNS_PER_CALL): Remove.
1970
1971         * tree-ssa-forwprop.c (vars,
1972         record_single_argument_cond_exprs,
1973         substitute_single_use_vars): Remove.
1974         (forward_propagate_into_cond_1, forward_propagate_into_cond):
1975         New.
1976         (tree_ssa_forward_propagate_single_use_vars): Call
1977         forward_propagate_into_cond for each COND_EXPR.
1978
1979         * tree-inline.c (INSNS_PER_STMT): Remove.
1980
1981 2005-04-12  Richard Henderson  <rth@redhat.com>
1982
1983         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
1984         (ix86_expand_sse_fp_minmax): ... from ...
1985         (ix86_expand_fp_movcc): ... here.
1986         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
1987         * config/i386/i386-protos.h: Update.
1988         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
1989         (sse_setccsf, sse_setccdf): Allow before reload.
1990         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
1991         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
1992         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
1993         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
1994         (anddf3, nanddf3, iordf3, xordf3): New.
1995
1996 2005-04-12  Jeff Law  <law@redhat.com>
1997
1998         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
1999         (tree-ssa-uncprop.o): Add dependencies.
2000         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
2001         * tree-flow.h (remove_useless_stmts): Remove prototype.
2002         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2003         remove_useless_stmts.
2004         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
2005         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
2006         * tree-pass.h (pass_uncprop): Declare.
2007         * tree-ssa-uncprop.c: New file.
2008
2009 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
2010
2011         PR target/20670
2012         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
2013
2014 2005-04-12  Caroline Tice  <ctice@apple.com>
2015
2016         Temporary fix for partitioning problems.
2017         * passes.c (rest_of_handle_final): Remove code that
2018         frees unlikely_text_section_name,
2019         * varasm.c (assemble_start_function): Test for partitioning
2020         flag before writing out section labels.
2021         (assemble_end_function): Test for partitioning flag before
2022         writing out section labels.
2023
2024 2005-04-12  Steven Bosscher  <stevenb@suse.de>
2025             Stuart Hastings <stuart@apple.com>
2026             Jan Hubicka  <jh@suse.cz>
2027
2028         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
2029         references to gt-tree-cfg.h.
2030         * basic-block.h (struct basic_block_def): Don't skip rbi
2031         for garbage collection.
2032         (struct reorder_block_def): Make GTY-able.
2033         (struct control_flow_graph): New structure.
2034         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
2035         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
2036         but instead defines to the control_flow_graph for cfun.
2037         (label_to_block_map): New define, points to the label map of
2038         the control_flow_graph for cfun.
2039         (n_edges_for_function, n_basic_blocks_for_function,
2040         last_basic_block_for_function, basic_block_info_for_function,
2041         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
2042         basic_block_info_for_function, label_to_block_map_for_function):
2043         Counterparts for the above, taking a struct function as an extra
2044         argument.
2045         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
2046         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
2047         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
2048         (alloc_rbi_pool, free_rbi_pool): Remove.
2049         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
2050         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
2051         here...
2052         (cfg_layout_finalize) ... and don't free it here.
2053         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
2054         garbage collected.
2055         * flow.c (free_basic_block_vars): Set label_to_block_map and
2056         n_edges to zero too.
2057         * function.h (struct function): Add cfg field.
2058         * function.c (allocate_struct_function): Allocate the cfg.
2059         * tree-cfg.c (label_to_block_map): Remove.
2060         (build_tree_cfg): Don't allocate the rbi pool here...
2061         (delete_tree_cfg_annotations): ...and don't free it here.
2062         Also don't nullify label_to_block_map for cfun.
2063
2064 2005-04-12  Caroline Tice  <ctice@apple.com>
2065
2066         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2067         Revert my patch from April 9.
2068         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
2069         (reorder_basic_blocks): Revert my patch from April 9.
2070         (insert_section_boundary_note): Revert my patch from April 9.
2071         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
2072         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
2073         (COLD_END_LABEL):  Revert my patch from April 9.
2074         (cold_text_section_label):  Revert my patch from April 9.
2075         (cold_end_label): Revert my patch from April 9.
2076         (dwarf2out_switch_text_section): Revert my patch from April 9.
2077         (output_aranges): Revert my patch from April 9.
2078         (output_ranges):  Revert my patch from April 9.
2079         (output_line_info): Revert my patch from April 9.
2080         (add_location_or_const_value_attribute):  Revert my patch from April 9.
2081         (dwarf2out_var_location): Revert my patch from April 9.
2082         (dwarf2out_init):  Revert my patch from April 9.
2083         (dwarf2out_finish): Revert my patch from April 9.
2084         * function.h (struct function): Revert my patch from April 9.
2085         * opts.c (decode_options): Revert my patch from April 9.
2086         * output.h (unlikely_section_label, hot_section_label,
2087         hot_section_end_label, cold_section_end_label,
2088         unlikely_text_section_name): Revert my patch from April 9.
2089         * passes.c (rest_of_handle_final): Revert my patch from April 9.
2090         * varasm.c (unlikely_section_label, hot_section_label,
2091         hot_section_end_label, cold_section_end_label,
2092         unlikely_text_section_name): Revert my patch from April 9.
2093         (initialize_cold_section_name): Revert my patch from April 9.
2094         (unlikely_text_section): Revert my patch from April 9.
2095         (in_unlikely_text_section): Revert my patch from April 9.
2096         (named_section): Revert my patch from April 9.
2097         (function_section): Revert my patch from April 9.
2098         (current_function_section): Revert my patch from April 9.
2099         (assemble_start_function): Revert my patch from April 9.
2100         (assemble_end_function): Revert my patch from April 9.
2101         (default_section_type_flags_1): Revert my patch from April 9.
2102
2103 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2104
2105         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
2106         * config/sparc/sparc.md (untyped_call): Save the registers manually.
2107
2108         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
2109
2110 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
2111
2112         PR middle-end/20917
2113         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
2114         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
2115
2116 2004-04-12  Richard Henderson  <rth@redhat.com>
2117
2118         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
2119         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
2120         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
2121         (UNSPEC_*, UNSPECV_*): Renumber.
2122
2123 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
2124
2125         PR mudflap/19266
2126         From Richard Henderson <rth@redhat.com>:
2127         * tree-mudflap.c (mf_build_check_statement_for): Correct block
2128         splitting logic.
2129
2130 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
2131
2132         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
2133
2134 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2135
2136         * config/bfin/bfin.c (bfin_library_id_string): Remove.
2137         (bfin_library_id): New variable.
2138         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
2139         instead of bfin_library_id_string.
2140         (bfin_handle_option): New function.
2141         (override_options): Remove most code to deal with shared library IDs,
2142         just check they aren't used without -mid-shared-library.
2143         (TARGET_HANDLE_OPTION): Define.
2144         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
2145         * config/bfin/bfin.opt (mshared-library-id=): New.
2146
2147 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
2148
2149         * tree-vect-transform.c: Fix comment typos.
2150
2151 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
2152
2153         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
2154         split critical edges when not possible/profitable.
2155
2156 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2157
2158         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
2159         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
2160         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
2161         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
2162         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
2163         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
2164         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
2165         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
2166         MASK_NO_BITFIELD.
2167         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
2168         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2169         * config/ns32k/ns32k.opt: New file.
2170
2171 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2172
2173         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
2174         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
2175         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
2176         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
2177         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
2178         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
2179         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
2180         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
2181         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
2182         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
2183         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
2184         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
2185         (MASK_COLDFIRE): Formatting fixes.
2186         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
2187         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
2188         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
2189         "_current_shared_library_a5_offset_".
2190         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2191         (MASK_ALL_CPU_BITS): New macro.
2192         (m68k_handle_option): New function.
2193         (override_options): Remove handling of m68k_library_id_string.
2194         * config/m68k/m68k.opt: New file.
2195         * config/m68k/ieee.opt: New file.
2196
2197 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
2198
2199         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2200         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
2201         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2202         (TARGET_CXX): Adjust accordingly.
2203         * target.h (struct gcc_target): Remove epxort_class_data.  Add
2204         determine_class_data_visibility and class_data_always_comdat.
2205         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2206         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
2207         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2208         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
2209         (arm_cxx_determine_class_data_visibility): New.
2210         (arm_cxx_class_data_always_comdat): Likewise.
2211         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2212         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2213         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2214         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
2215         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
2216         Define.
2217
2218 2005-04-11  Devang Patel  <dpatel@apple.com>
2219
2220         * tree-data-ref.c (build_classic_dist_vector,
2221         compute_subscript_distance): Make externally visible.
2222         * tree-data-ref.h (build_classic_dist_vector,
2223         compute_subscript_distance): Same.
2224         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
2225         Check distance vector against vectorization factor.
2226         (vect_analyze_loop): Determine vectorizaion factor before
2227         analyzing data dependences.
2228         * tree-vectorizer.c (loops_num): Make it externally visible and
2229         rename ...
2230         * tree-vectorizer.c (vect_loops_num): ... new name.
2231         * tree-vectorizer.h  (vect_loops_num): New.
2232
2233 2005-04-11  Devang Patel  <dpatel@apple.com>
2234
2235         * tree-vect-analyze.c (vect_analyze_operations): Check
2236         vectorizable codition.
2237         * tree-vect-transform.c (vect_is_simple_cond): New function.
2238         (vectorizable_condition): New function.
2239         (vect_transform_stmt): Handle condition_vec_info_type.
2240         * tree-vectorizer.h (enum stmt_vec_info_type): Add
2241         condition_vec_info_type.
2242         (vectorizable_condition): New.
2243
2244 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
2245
2246         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2247         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2248         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2249
2250         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2251         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2252
2253         * dwarf2out.c (output_line_info): Don't try to dereference
2254         a NULL current_function_decl.
2255
2256         * config/t-slibgcc-darwin: Don't put shared libraries in
2257         directories other than $(slibdir).
2258         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2259         OS uses for it.
2260
2261 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2262
2263         PR tree-optimization/20933
2264         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2265         logic to reject aliases between read-only and writable
2266         variables ...
2267         (may_alias_p): ... here.
2268         (get_tmt_for): Do not associate read-only tags to pointers
2269         whose pointed-to type is not read-only.
2270         * tree-ssa.c (verify_ssa): Check that memory stores have at
2271         least one V_MAY_DEF or V_MUST_DEF.
2272
2273 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2274
2275         PR/17092
2276         * configure.ac (gcc_UNLOCKED_FUNCS): New.
2277         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2278         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2279         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2280         _unlocked function.
2281         (fwrite_unlocked): Fix prototype.
2282
2283         * configure, config.in: Regenerate.
2284
2285 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
2286
2287         * tree-ssa-loop-im.c: Include real.h.
2288         (determine_invariantness_stmt): If real division divisor is
2289         invariant and flag_unsafe_math_optimizations enabled, generate
2290         invariant reciprocal for hoisting.
2291         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2292
2293 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2294
2295         Fix PR tree-optimization/20926
2296
2297         * tree-ssa-alias.c (add_type_alias): Handle subvars.
2298
2299 2005-04-11  Devang Patel  <dpatel@apple.com>
2300
2301         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2302         operand ordering.
2303
2304 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2305
2306         * fold-const.c (fold_binary_op_with_conditional_arg):
2307         use fold_buildN instead of "fold (buildN" in some
2308         non obvious places.
2309         (fold_unary): Likewise.
2310         (fold_binary): Likewise.
2311
2312 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2313
2314         Fix PR tree-optimization/20612
2315         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2316         handling
2317         (perfect_nestify): preheaderbb is *not* part of loop of the
2318         old destination.
2319
2320 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2321
2322         * tree-ssa-alias.c (may_alias_p): If the variable
2323         is a global variable and the pointer is parameter
2324         and -fargument-noalias-global is used, then
2325         the pointer cannot alias the variable.
2326
2327 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
2328
2329         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2330         * config/sparc/sparc.h: Likewise.
2331         * config/sparc/sparc.md: Likewise.
2332
2333 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
2334
2335         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2336
2337         * tree-vrp.c: Fix a comment typo.
2338
2339 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2340
2341         PR tree-optimization/20920
2342         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2343         SSA_NAME flows through an abnormal edge.
2344         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2345         through abnormal edges.
2346         (maybe_add_assert_expr): Likewise.
2347
2348 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
2349
2350         * config/s390/s390.h (s390_tune_string, s390_arch_string)
2351         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2352         (s390_stack_size_string, s390_stack_guard_string, target_flags)
2353         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2354         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2355         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2356         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2357         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2358         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2359         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2360         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2361         (TARGET_HANDLE_OPTION): Likewise.
2362         (s390_tune): Initialize to PROCESSOR_max.
2363         (s390_arch_string): Make static.
2364         (s390_tune_string, s390_warn_framesize_string): Delete.
2365         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2366         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2367         (s390_handle_arch_option, s390_handle_option): New functions.
2368         (override_options): Remove parsing of option strings.
2369         * config/s390/s390.opt: New file.
2370
2371 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2372
2373         * tree-complex.c (expand_vector_operations): Call
2374         update_stmt_if_modified.
2375
2376 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2377
2378         * tree-vect-analyze (vect_determine_vectorization_factor):
2379         Do not use GET_MODE_NUNITS.
2380         * tree-vect-transform.c (vect_get_vec_def_for_operand,
2381         (vectorizable_load, vect_transform_loop): Likewise.
2382
2383 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
2384
2385         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2386         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2387         * optabs.h (enum optab_index): Add new OTI_lceil.
2388         (lceil_optab): Define corresponding macro.
2389         * optabs.c (init_optabs): Initialize lceil_optab.
2390         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2391         and lceildi2 patterns.
2392         * builtins.c (expand_builtin_int_roundingfn): Handle
2393         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2394         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2395         BUILT_IN_LLCEIL{,F,L}.
2396         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2397         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2398         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2399         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2400         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2401         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2402         into lceil built-in function and (long long int)ceil{,f,l} into
2403         llceil built-in function.
2404         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2405         BUILT_IN_LLCEIL.
2406
2407 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2408
2409         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2410         zero.
2411
2412 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
2413
2414         * config/arm/arm.c: Fix a comment typo.
2415         * doc/tree-ssa.texi: Fix a typo.
2416
2417 2005-04-10  Steven Bosscher  <stevenb@suse.de>
2418
2419         * cselib.c (clear_table): Rename to cselib_clear_table.
2420         * cselib.h (cselib_clear_table): Add prototype.
2421         * gcse.c (gcse_main): Make 'f' argument unused.
2422         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2423         of each basic block instead.
2424         (compute_sets, compute_hash_table_work): Likewise.
2425         (constprop_register): Change int 'alter_jumps' argument to bool.
2426         (do_local_cprop): Likewise.
2427         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
2428         the insn chain.  Explicitly clear the cselib tables after finishing
2429         one basic block.  Make sure there are no unterminated libcall blocks.
2430         Update compute_sets call.
2431         (cprop): Walk basic blocks instead of the insn chain.
2432         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2433         Likewise.
2434         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2435         one_cprop_pass calls.
2436
2437 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2438
2439         * combine.c (combine_simplify_rtx): Remove a transformation that
2440         relies on an invalid assumption about rtl sign-extension semantics.
2441
2442 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2443
2444         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2445         to build_int_cst_wide.
2446
2447 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
2448
2449         PR target/20126
2450         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2451         set the original address pseudo to the correct value before the
2452         original insn, if possible, and leave the insn alone, otherwise
2453         create a new pseudo, set it and replace it in the insn.
2454         * recog.c (validate_change_maybe_volatile): New.
2455         * recog.h (validate_change_maybe_volatile): Declare.
2456
2457 2005-04-09  Caroline Tice  <ctice@apple.com>
2458
2459         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2460         Remove targetm.have_named_sections test.
2461         (fix_edges_for_rarely_executed_code): Likewise.
2462         (insert_section_boundary_note): Likewise.
2463         (reorder_basic_blocks): Check partitioning flag before calling
2464         verify_hot_cold_block_grouping.
2465         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2466         the function struct rather than global variables.
2467         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2468         (COLD_END_LABEL): Likewise
2469         (cold_text_section_label): New static global variable.
2470         (cold_end_label): Likewise.
2471         (dwarf2out_switch_text_section): Get hot/cold section labels from
2472         the function struct rather than global variables.
2473         (output_aranges): Use cold_text_section_label and cold_end_label;
2474         check partitioning flag before putting out delta.
2475         (output_ranges): Remove incorrect code attempting to use
2476         hot/cold labels.
2477         (output_line_info): Get cold section label from function struct.
2478         (add_location_or_const_value_attribute): Likewise.
2479         (get_subprogram_die): Get hot/cold section labels from function struct.
2480         (dwarf2out_var_location): Likewise.
2481         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2482         write out cold_text_section_label if partition flag is set.
2483         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2484         * function.h (struct function): Add new fields to point to hot/cold
2485         section labels: hot_section_label, cold_section_label,
2486         hot_section_end_label and cold_section_end_label; also add new field
2487         for cold text section name, unlikely_text_section_name.
2488         * opts.c (decode_options): Turn off partitioning flag if
2489         !targetm.have_named_sections.
2490         * output.h (hot_section_label): Remove.
2491         (hot_section_end_label): Remove.
2492         (cold_section_end_label): Remove.
2493         (unlikely_section_label): Remove.
2494         (unlikely_text_section_name): Remove.
2495         * passes.c (rest_of_handle_final):  Remove code that frees
2496         unlikely_text_section_name.
2497         * varasm.c (unlikely_section_label): Remove.
2498         (hot_section_label): Remove.
2499         (hot_section_end_label): Remove.
2500         (cold_section_end_label): Remove.
2501         (unlikely_text_section_name):  Remove.
2502         (initialize_cold_section_name): Modify to call
2503         targetm.strip_name_encoding; to store cold section name in current
2504         function struct, if it exists; and to only use the decl_section_name
2505         if flag_named_sections is true.
2506         (unlikely_text_section): Modify to get section name out of current
2507         function struct, if there is one; otherwise build it from
2508         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2509         (in_unlikely_text_section): Likewise.
2510         (named_section): Modify to get/put cold section name in current function
2511         struct, if there is one.
2512         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2513         targetm.have_named_sections before calling named_section.
2514         (current_function_section): Likewise.
2515         (assemble_start_function): Modify to get/put unlikely_text_section_name
2516         in current function struct; modify to get hot/cold section labels
2517         from function struct; initialize labels using
2518         ASM_GENERATE_INTERNAL_LABEL;
2519         test partitioning flag before writing out hot section label.
2520         (assemble_end_function): Test partitioning flag before writing out
2521         hot/cold section labels.
2522         (default_section_type_flags_1):  Modify to use array instead of
2523          char* for unlikely_text_section_name; set flags correctly for
2524          cold text section if there is not a current function decl.
2525
2526 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2527
2528         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2529         and TI_VA_LIST_FPR_COUNTER_FIELD.
2530         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2531         * tree-pass.h (pass_stdarg): Add.
2532         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2533         * tree-stdarg.c: New file.
2534         * tree-stdarg.h: New file.
2535         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2536         (tree-stdarg.o): Add dependencies.
2537         * function.h (struct function): Add va_list_gpr_size and
2538         va_list_fpr_size fields.
2539         * function.c (allocate_struct_function): Initialize them.
2540         * target.h (struct gcc_target): Add stdarg_optimize_hook.
2541         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2542         (TARGET_INITIALIZER): Add it.
2543
2544         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2545         va_list_{g,f}pr_counter_field.
2546         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2547         area will not be used.  Only save registers that tree-stdarg.c
2548         detected they need saving.
2549         (ix86_va_start): Don't set up fields that won't be used.
2550
2551         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2552         va_list_{g,f}pr_counter_field.
2553         (setup_incoming_varargs): Don't do anything if reg_save
2554         area will not be used.  Only save registers that tree-stdarg.c
2555         detected they need saving.
2556         (rs6000_va_start): Don't set up fields that won't be used.
2557
2558         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2559         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2560         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2561         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2562
2563 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR target/20795
2566         * config/i386/i386.c (construct_container): Pass empty aligned
2567         struct, union or class in memory.
2568
2569 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
2570
2571         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2572         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2573         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2574         config/rs6000/predicates.md: Fix comment typos.
2575
2576         * sched-int.h (haifa_insn_data): Remove blockage and units.
2577         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2578         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2579         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2580
2581 2005-04-09  Jan Hubicka  <jh@suse.cz>
2582             Steven Bosscher  <stevenb@suse.de>
2583
2584         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2585         * cfgloop.c (get_loop_exit_edges): Likewise.
2586         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2587         (unloop): Likewise.
2588         * loop-unroll.c (analyze_insns_in_loop): Likewise.
2589         * tree-cfg.c (dump_cfg_status): Likewise.
2590
2591 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
2592
2593         * config/rs6000/predicates.md (altivec_register_operand): Remove
2594         redundant match_code test.
2595         (gpc_reg_operand): Same.
2596         (cc_reg_operand): Same.
2597         (cc_reg_not_cr0_operand): Same.
2598
2599 2005-04-09  Jan Hubicka  <jh@suse.cz>
2600
2601         Forgotten hunk from my last merge patch:
2602         * final.c (output_addr_const): Do not call mark_referenced.
2603
2604 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
2605
2606         * doc/tree-ssa.texi: Add immediate use documentation.
2607
2608 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
2609
2610         * arm.c (FL_WBUF): Define.
2611         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
2612         (arm_is_6_or_7): Delete.
2613         (arm_tune_wbuf): New.
2614         (arm_override_options): Set arm_tune_wbuf.
2615         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2616         (arm_is_6_or_7): Delete declaration.
2617         (arm_tune_wbuf): New declartion.
2618         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2619         (model_wbuf): Derive from arm_tune_wbuf.
2620         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2621         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2622         (arm740t): Mark CPUs as having a write buffer.
2623
2624 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2625
2626         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2627         of 'const_double_operand' in operand 2 constraints.  Update enable
2628         condition.
2629
2630 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2631
2632         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2633         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2634         * optabs.h (enum optab_index): Add new OTI_lfloor.
2635         (lfloor_optab): Define corresponding macro.
2636         * optabs.c (init_optabs): Initialize lfloor_optab.
2637         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2638         and lfloordi2 patterns.
2639         * builtins.c (expand_builtin_int_roundingfn): New prototype.
2640         (expand_builtin_int_roundingfn): New function.
2641         (fold_builtin_int_roundingfn): New prototype.
2642         (fold_builtin_int_roundingfn): New function, renamed from
2643         fold_builtin_lround.
2644         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2645         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2646         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2647         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2648         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2649         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2650         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2651         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2652         into lfloor built-in function and (long long int)floor{,f,l} into
2653         llfloor built-in function.
2654         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2655         BUILT_IN_LLFLOOR.
2656
2657 2005-04-08  Ian Lance Taylor  <ian@airs.com>
2658
2659         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2660         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2661         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2662         (DO_COND, DO_BODY): Likewise.
2663         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2664         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2665         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2666         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2667         (build_continue_stmt, build_break_stmt): Don't declare.
2668         (c_do_switch_warnings): Update declaration.
2669         * c-gimplify.c (enum bc_t): Remove.
2670         (struct c_gimplify_ctx, ctxp): Remove.
2671         (push_context, pop_context): Remove static functions.
2672         (c_genericize): Don't call push_context or pop_context.
2673         (begin_bc_block, finish_bc_block): Remove static functions.
2674         (build_bc_goto): Likewise.
2675         (gimplify_c_loop): Likewise.
2676         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2677         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2678         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2679         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2680         * c-common.c (c_do_switch_warnings): Rename from
2681         c_do_switch_warnings_1.
2682         (c_do_switch_warnings) [old version]: Remove.
2683         (c_do_switch_expr_warnings): Remove.
2684         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2685         function instead of c_do_switch_expr_warnings.
2686         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2687         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2688         * c-pretty-print.c (pp_c_statement): Likewise.
2689         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2690
2691 2005-04-08  Devang Patel  <dpatel@apple.com>
2692
2693         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2694         While selecting replacement condition pay attention to loop header.
2695
2696 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
2697
2698         Merge from tree-cleanup-branch: VRP, store CCP, store
2699             copy-prop, incremental SSA updating of FUD chains and
2700             newly exposed symbols.
2701
2702         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2703         (OBJS-common): Add tree-vrp.o.
2704         (tree-vrp.o): New rule.
2705         * basic-block.h (nearest_common_dominator_for_set): Declare.
2706         * common.opt (ftree-store-ccp): New flag.
2707         (ftree-copy-prop): New flag.
2708         (ftree-vrp): New flag.
2709         (ftree-store-copy-prop): New flag.
2710         * dominance.c (nearest_common_dominator_for_set): New.
2711         * domwalk.c (walk_dominator_tree): Only traverse
2712         statements in blocks marked in walk_data->interesting_blocks.
2713         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2714         * fold-const.c (fold): Handle ASSERT_EXPR.
2715         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2716         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2717         flag_tree_vrp at -O2.
2718         * timevar.def (TV_TREE_VRP): Define.
2719         (TV_TREE_COPY_PROP): Define.
2720         (TV_TREE_STORE_COPY_PROP): Define.
2721         (TV_TREE_SSA_INCREMENTAL): Define.
2722         (TV_TREE_STORE_CCP): Define.
2723         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2724         to kill_redundant_phi_nodes from comment.
2725         (verify_expr): Handle ASSERT_EXPR.
2726         * tree-dfa.c (mark_new_vars_to_rename): Remove second
2727         argument.  Update all users.
2728         (mark_call_clobbered_vars_to_rename): Remove.  Update all
2729         users.
2730         * tree-flow-inline.h (unmodifiable_var_p): New.
2731         * tree-flow.h (enum value_range_type): Declare.
2732         (struct value_range_def): Declare.
2733         (value_range): Declare.
2734         (remove_all_phi_nodes_for): Remove.  Update all users.
2735         (find_phi_node_for): Declare.
2736         (add_type_alias): Declare.
2737         (count_uses_and_derefs): Declare.
2738         (kill_redundant_phi_nodes): Remove.
2739         (rewrite_into_ssa): Remove.
2740         (rewrite_def_def_chains): Remove.
2741         (update_ssa, register_new_name_mapping, create_new_def_for,
2742         need_ssa_update_p, name_registered_for_update_p,
2743         release_ssa_name_after_update_ssa, dump_repl_tbl,
2744         debug_repl_tbl, dump_names_replaced_by,
2745         debug_names_replaced_by, mark_sym_for_renaming,
2746         mark_set_for_renaming, get_current_def, set_current_def,
2747         get_value_range, dump_value_range, debug_value_range,
2748         dump_all_value_ranges, debug_all_value_ranges,
2749         expr_computes_nonzero, loop_depth_of_name,
2750         unmodifiable_var_p): Declare.
2751         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2752         ASSERT_EXPR.
2753         * tree-into-ssa.c (block_defs_stack): Update comment.
2754         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2755         syms_to_rename, names_to_release, repl_tbl,
2756         need_to_initialize_update_ssa_p, need_to_update_vops_p,
2757         need_to_replace_names_p): New locals.
2758         (NAME_SETS_GROWTH_FACTOR): Define.
2759         (struct repl_map_d): Declare.
2760         (struct mark_def_sites_global_data): Add field
2761         interesting_blocks.
2762         (enum rewrite_mode): Declare.
2763         (REGISTER_DEFS_IN_THIS_STMT): Define.
2764         (compute_global_livein): Use last_basic_block instead of
2765         n_basic_blocks.
2766         (set_def_block): Remove last argument.  Update all callers.
2767         (prepare_use_operand_for_rename): Remove.  Update all callers.
2768         (prepare_def_operand_for_rename): Remove.  Update all callers.
2769         (symbol_marked_for_renaming): New.
2770         (is_old_name): New.
2771         (is_new_name): New.
2772         (repl_map_hash): New.
2773         (repl_map_eq): New.
2774         (repl_map_free): New.
2775         (names_replaced_by): New.
2776         (add_to_repl_tbl): New.
2777         (add_new_name_mapping): New.
2778         (mark_def_sites): Assume that all the operands in the
2779         statement are in normal form.
2780         (find_idf): Assert that the block in the stack is valid.
2781         (get_default_def_for): New.
2782         (insert_phi_nodes_for): Add new argument 'update_p'.
2783         Add documentation.
2784         If update_p is true, add a new mapping between the LHS of
2785         each new PHI and the name that it replaces.
2786         (insert_phi_nodes_1): Only call find_idf if needed.
2787         (get_reaching_def): Call get_default_def_for.
2788         (rewrite_operand): Remove.
2789         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2790         and REWRITE_THIS_STMT are false.
2791         Assume that all the operands in the statement are in
2792         normal form.
2793         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2794         (rewrite_virtual_phi_arguments): Remove.
2795         (invalidate_name_tags): Remove.
2796         (register_new_update_single, register_new_update_set,
2797         rewrite_update_init_block, replace_use,
2798         rewrite_update_fini_block, rewrite_update_stmt,
2799         rewrite_update_phi_arguments): New.
2800         rewrite_blocks): Remove argument 'fix_virtual_phis'.
2801         Add arguments 'entry', 'what' and 'blocks'.
2802         Initialize the dominator walker according to 'what' and
2803         'blocks'.
2804         Start the dominator walk at 'entry'.
2805         (mark_def_site_blocks): Add argument 'interesting_blocks'.
2806         Use it to configure the dominator walker.
2807         (rewrite_into_ssa): Remove argument 'all'.
2808         Make internal.
2809         (rewrite_all_into_ssa): Remove.
2810         (rewrite_def_def_chains): Remove.
2811         (mark_def_interesting, mark_use_interesting,
2812         prepare_phi_args_for_update, prepare_block_for_update,
2813         prepare_def_site_for, prepare_def_sites,
2814         dump_names_replaced_by, debug_names_replaced_by,
2815         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2816         delete_update_ssa, create_new_def_for,
2817         register_new_name_mapping, mark_sym_for_renaming,
2818         mark_set_for_renaming, need_ssa_update_p,
2819         name_registered_for_update_p, ssa_names_to_replace,
2820         release_ssa_name_after_update_ssa,
2821         insert_updated_phi_nodes_for, update_ssa): New.
2822         * tree-loop-linear.c (linear_transform_loops): Call
2823         update_ssa instead of rewrite_into_ssa.
2824         * tree-optimize.c (vars_to_rename): Remove.
2825         Update all users.
2826         (init_tree_optimization_passes): Replace
2827         pass_redundant_phi with pass_copy_prop.
2828         Add pass_vrp.
2829         Replace pass_ccp with pass_store_ccp.
2830         Add pass_store_copy_prop after pass_store_ccp.
2831         (execute_todo): If the TODO_ flags don't include updating
2832         the SSA form, assert that it does not need to be updated.
2833         Call update_ssa instead of rewrite_into_ssa and
2834         rewrite_def_def_chains.
2835         If TODO_verify_loops is set, call verify_loop_closed_ssa.
2836         (tree_rest_of_compilation):
2837         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2838         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2839         TODO_cleanup_cfg): Renumber.
2840         (TODO_verify_loops, TODO_update_ssa,
2841         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2842         TODO_update_ssa_only_virtuals): Define.
2843         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2844         Declare.
2845         * tree-phinodes.c (make_phi_node): Update documentation.
2846         (remove_all_phi_nodes_for): Remove.
2847         (find_phi_node_for): New.
2848         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2849         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2850         (interpret_rhs_modify_expr): Likewise.
2851         * tree-sra.c (decide_instantiations): Mark all symbols in
2852         SRA_CANDIDATES for renaming.
2853         (mark_all_v_defs_1): Rename from mark_all_v_defs.
2854         (mark_all_v_defs): New function.  Update all users to call it
2855         with the whole list of scalarized statements, not just the
2856         first one.
2857         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2858         (compute_flow_insensitive_aliasing): If the tag is
2859         unmodifiable and the variable isn't or vice-versa, don't
2860         make them alias of each other.
2861         (setup_pointers_and_addressables): If the type tag for
2862         VAR is about to change, mark the old one for renaming.
2863         (add_type_alias): New.
2864         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2865         (ccp_lattice_t): Rename from latticevalue.
2866         (value): Remove.  Update all users.
2867         (const_val): New local variable.
2868         (do_store_ccp): New local variable.
2869         (dump_lattice_value): Handle UNINITIALIZED.
2870         (debug_lattice_value): New.
2871         (get_default_value): Re-write.
2872         (set_lattice_value): Re-write.
2873         (def_to_varying): Remove.  Update all users.
2874         (likely_value): Return VARYING for statements that make
2875         stores when STORE_CCP is false.
2876         Return VARYING for any statement other than MODIFY_EXPR,
2877         COND_EXPR and SWITCH_EXPR.
2878         (ccp_initialize): Re-write.
2879         (replace_uses_in, replace_vuse_in, substitute_and_fold):
2880         Move to tree-ssa-propagate.c.
2881         (ccp_lattice_meet): Handle memory stores when
2882         DO_STORE_CCP is true.
2883         (ccp_visit_phi_node): Likewise.
2884         (ccp_fold): Likewise.
2885         (evaluate_stmt): Likewise.
2886         (visit_assignment): Likewise.
2887         (ccp_visit_stmt): Likewise.
2888         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
2889         into DO_STORE_CCP.
2890         (do_ssa_ccp): New.
2891         (pass_ccp): Use it.
2892         (do_ssa_store_ccp): New.
2893         (gate_store_ccp): New.
2894         (pass_store_ccp): Declare.
2895         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
2896         (may_propagate_copy): Reformat.
2897         Don't abort if ORIG is a virtual and DEST isn't.
2898         If NEW does not have alias information but DEST does,
2899         copy it.
2900         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
2901         copy_prop_kind, which_copy_prop): Declare.
2902         (stmt_may_generate_copy, get_copy_of_val,
2903         get_last_copy_of, set_copy_of_val, dump_copy_of,
2904         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
2905         copy_prop_visit_stmt, copy_prop_visit_phi_node,
2906         init_copy_prop, fini_copy_prop, execute_copy_prop,
2907         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
2908         store_copy_prop): New.
2909         (pass_copy_prop, pass_store_copy_prop): Declare.
2910         * tree-ssa-dom.c (struct opt_stats_d): Add fields
2911         'num_const_prop' and 'num_copy_prop'.
2912         (cprop_operand): Update them.
2913         (dump_dominator_optimization_stats): Dump them.
2914         (tree_ssa_dominator_optimize): Call update_ssa instead of
2915         rewrite_into_ssa.
2916         (loop_depth_of_name): Declare extern.
2917         (simplify_cond_and_lookup_avail_expr): Guard against NULL
2918         values for LOW or HIGH.
2919         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
2920         (record_equivalences_from_stmt): Call expr_computes_nonzero.
2921         (cprop_operand): Only propagate if VAL != OP.
2922         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
2923         statement for renaming.
2924         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
2925         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
2926         add_type_alias if necessary.
2927         Call mark_new_vars_to_rename.
2928         (tree_ssa_iv_optimize): If new symbols need to be renamed,
2929         mark every statement updated, call update_ssa and
2930         rewrite_into_loop_closed_ssa.
2931         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
2932         from LIVEIN if VAR is a virtual.
2933         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
2934         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
2935         (get_call_expr_operands): Reformat statement.
2936         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
2937         symbols.
2938         * tree-ssa-propagate.c (ssa_prop_init): Initialize
2939         SSA_NAME_VALUE for every name.
2940         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2941         get_value_loaded_by): New.
2942         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
2943         substitute_and_fold): Move from tree-ssa-ccp.c.
2944         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
2945         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2946         get_value_loaded_by, replace_uses_in, substitute_and_fold):
2947         Declare.
2948         * tree-ssa.c (verify_use): Fix error message.
2949         (propagate_into_addr, replace_immediate_uses, get_eq_name,
2950         check_phi_redundancy, kill_redundant_phi_nodes,
2951         pass_redundant_phi): Remove.  Update all users.
2952         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2953         add_type_alias, if necessary.
2954         * tree-vectorizer.h (struct _stmt_vect_info): Update
2955         documentation for field 'memtag'.
2956         * tree-vrp.c: New file.
2957         * tree.def (ASSERT_EXPR): Define.
2958         * tree.h (ASSERT_EXPR_VAR): Define.
2959         (ASSERT_EXPR_COND): Define.
2960         (SSA_NAME_VALUE_RANGE): Define.
2961         (struct tree_ssa_name): Add field 'value_range'.
2962         (PHI_REWRITTEN): Remove.
2963         (struct tree_phi_node): Remove field 'rewritten'.
2964         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
2965         -ftree-store-copy-prop): Document.
2966         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
2967         Document usage of update_ssa.
2968
2969 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
2970
2971         PR target/20814
2972         * config/rs6000/predicates.md (altivec_register_operand): Accept
2973         SUBREG.
2974         (and64_operand): Do not limit CONST_INT to mask64_operand.
2975         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
2976         (and_operand): Do not limit CONST_INT to mask_operand.
2977
2978 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2979
2980         PR rtl-optimization/20466
2981         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
2982         for overlap of the address of each list member.
2983         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
2984
2985 2005-04-08  Mike Stump  <mrs@apple.com>
2986
2987         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
2988
2989         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
2990         instead of 4.
2991
2992 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2993
2994         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
2995
2996         * function.c (push_function_context_to): Don't set
2997         contains_functions.
2998         * function.h (function): Remove contains_functions.
2999         (current_function_contains_functions): Remove.
3000
3001         * function.h (function): Remove instrument_entry_exit.
3002         (current_function_instrument_entry_exit): Remove.
3003
3004         * function.h (nonlocal_labels): Remove.
3005
3006         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
3007
3008         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
3009         (check_attr_value, write_attr_get, write_expr_attr_cache,
3010         find_attr, make_internal_attr): Don't reference negative_ok or
3011         unsigned_p.
3012         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
3013         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
3014         (ATTR_STATIC): Adjust the value.
3015
3016         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
3017
3018 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
3019
3020         * config/s390/tpf.h (ASM_SPEC): Define.
3021
3022 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
3023
3024         * tree-flow.h: Remove the prototype for
3025         redirect_immediate_uses.
3026         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
3027
3028 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
3029
3030         * arm.c (arm_const_double_by_parts): New function.
3031         * arm-protos.h (arm_const_double_by_parts): Add prototype.
3032         * arm.md (define_split for 64-bit constants): Add another one.
3033
3034 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
3035
3036         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
3037
3038 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3039
3040         * system.h: Revert last change.
3041
3042 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
3043
3044         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
3045         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
3046         (TARGET_SWITCHES): Delete.
3047         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3048         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
3049         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
3050         * config/xtensa/xtensa.opt: New file.
3051
3052 2005-04-08  Ben Elliston  <bje@au.ibm.com>
3053
3054         * config/fp-bit.c: Include L_mul_tf in #endif comment.
3055         * config/fp-bit.h: Tidy comments.
3056
3057 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3058
3059         * system.h: Poison PARAMS.
3060
3061 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
3062
3063         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
3064         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
3065         (TARGET_SWITCHES): Delete.
3066         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3067         * config/vax/vax.opt: New file.
3068
3069 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
3070
3071         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
3072
3073 2005-04-07  Ian Lance Taylor  <ian@airs.com>
3074
3075         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
3076         define.
3077         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
3078         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
3079         Likewise.
3080
3081 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
3082
3083         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
3084         all immediate uses in PHI nodes.
3085
3086 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
3087
3088         * arm.c (arm_const_double_inline_cost): Handle any constant by
3089         using gen_lowpart and gen_highpart_mode.
3090         (note_invalid_constants): All constants in an RTX with a constraint
3091         that permits memory are now pushed to the constant pool.
3092         (output_move_double): Delete code to handle reg to reg and
3093         constant to reg moves.
3094         (const_double_needs_minipool, output_mov_immediate): Delete.
3095         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
3096         CONST_INT and CONST_VECTOR.
3097         * arm.md (ANY64): New mode macro.
3098         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
3099         (movdf_soft_insn): Split reg-reg and const-reg moves.
3100         (split patterns for 64-bit constant and register moves): New.
3101         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
3102         (cirrus_movdf_hard_insn): Likewise.
3103         * fpa.md (movdf_fpa): Likewise.
3104         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
3105         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
3106         constraints.
3107         (movv2si_internal_2): Likewise.
3108         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
3109         (movdf_vfp): Likewise.
3110         * arm-protos.h (output_mov_immediate): Delete prototype.
3111
3112 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
3113
3114         PR target/20093
3115         * simplify-rtx.c (simplify_unary_operation_1): Check
3116         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
3117
3118 2005-04-06  James E Wilson  <wilson@specifixinc.com>
3119
3120         PR target/20717
3121         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
3122         ADDR_EXPR.
3123
3124 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3125
3126         * coverage.h (GCOV_TYPE_NODE): Delete.
3127         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
3128         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
3129         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
3130         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
3131         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
3132
3133 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3134
3135         PR other/20792
3136         * Makefile.in (gcc.pot): Remove options.c dependency.
3137         * optc-gen.awk: Don't quote help strings with N_().
3138
3139 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
3140
3141         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
3142         the function returns a pointer type.
3143
3144 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
3145
3146         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
3147         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
3148         * doc/invoke.texi: Documnet salias-max-implicit-fields.
3149         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
3150         explicit_uses members.
3151         (get_or_create_used_part_for): Initialize new fields.
3152         (fieldoff_compare): New function.
3153         (create_overlap_variables_for): Count number of fields, use
3154         heuristic to determine whether to create subvars for vars with
3155         only implicit uses.
3156         Sort the field list by offset and avoid creating duplicate SFT's.
3157
3158 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3159
3160         * c.opt (-F): Remove trailing whitespace from help string.
3161         (-finput-charset): Use a tab to separate the switch name and help
3162         string.
3163         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
3164         (-ftree-vectorizer-verbose): Likewise.
3165
3166 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3167
3168         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
3169         a PHI argument where a use occurs instead of all PHI arguments.
3170
3171 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
3172
3173         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
3174         scope.
3175
3176 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3177
3178         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
3179         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
3180         config/bfin/bfin.h: Fix comment typos.
3181
3182 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
3183
3184         * doc/install.texi: Update the URL for Jacks.
3185         * doc/sourcebuild.texi: Likewise.
3186
3187 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3188
3189         PR target/17245
3190         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
3191         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
3192
3193 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3194
3195         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
3196
3197 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3198
3199         * config/v850/v850-protos.h (override_options): Delete.
3200         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
3201         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
3202         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
3203         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
3204         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
3205         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
3206         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
3207         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
3208         (OVERRIDE_OPTIONS): Delete.
3209         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
3210         (small_memory_info): Remove the value field.
3211         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
3212         TARGET_NO_APP_REGS.
3213         * config/v850/v850.c (small_memory): Remove the value field.
3214         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3215         (override_options): Delete.
3216         (v850_handle_memory_option, v850_handle_option): New functions.
3217         * config/v850/v850.opt: New file.
3218
3219 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
3220
3221         * config.host: Add a section for generic hosts, and a subsection
3222         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
3223         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
3224         * config/host-darwin.h: New.
3225         * config/x-darwin: New.
3226         * config/i386/host-i386-darwin.c: New.
3227         * config/i386/x-darwin: New.
3228         * config/rs6000/host-darwin.c: Include host-darwin.h.
3229         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
3230         (darwin_rs6000_gt_pch_use_address): Likewise.
3231         * config/rs6000/x-darwin: Change name of .o built, update
3232         dependencies for changes to rs6000/host-darwin.c.
3233
3234 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3235
3236         PR target/17824
3237         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
3238
3239 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
3240
3241         * tree-vect-analyze.c (vect_analyze_loop_form): Call
3242         split_loop_exit_edge instead of loop_split_edge_with.
3243
3244 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
3245
3246         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3247         UNSPEC_SET_VSCR): New constants, used throughout.
3248         (*andc3_v4sf): New.
3249         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3250         Replace with...
3251         (altivec_vspltis<VI_char>): ... this pattern, using
3252         a QImode const_int_operand for the immediate.
3253         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3254         define_expands.
3255
3256 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3257
3258         PR target/17822
3259         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3260
3261 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3262
3263         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3264
3265 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3266
3267         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3268         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3269         macros as living in "this file" and not gcc.h.
3270
3271 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3272
3273         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3274         -ftree-live_range_split.  Perhaps renamed at some point?
3275
3276 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3277
3278         PR target/20625
3279         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3280         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3281
3282 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3283
3284         * tree-flow.h (number_of_iterations_cond): Declaration removed.
3285         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3286         (number_of_iterations_special): New function.
3287         (number_of_iterations_exit): Use number_of_iterations_special.
3288         Use simplify_using_outer_evolutions only at -O3.
3289         (number_of_iterations_cond, tree_simplify_using_condition,
3290         simplify_using_initial_conditions, loop_niter_by_eval,
3291         compare_trees, can_count_iv_in_wider_type_bound,
3292         simplify_using_outer_evolutions): Use fold_build.
3293
3294 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
3295
3296         * doc/install.texi (Configuration): Document --with-java-home.
3297
3298 2005-04-05  Richard Henderson  <rth@redhat.com>
3299
3300         PR target/20342
3301         PR target/20447
3302         * config/i386/i386.c (print_operand): Handle vector zeros.
3303         (ix86_split_to_parts): Handle CONST_VECTOR.
3304         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3305         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3306         what modes to tie for MMX and SSE registers.
3307         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3308         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3309         to vector modes as well.
3310         * config/i386/predicates.md (const0_operand): Handle VOIDmode
3311         properly as an input mode.
3312
3313 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3314
3315         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3316
3317 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3318
3319         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3320
3321 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3322
3323         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3324         and local functions, set sse_nregs to 8 and float_in_sse.
3325         (function_arg_advance, function_arg): If float_in_sse, pass
3326         SFmode and DFmode arguments in SSE registers.
3327         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3328
3329         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3330         of -funit-at-a-time.
3331
3332 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3333
3334         * config/i386/i386-protos.h (ix86_function_value): Accept two
3335         arguments, like the target macro.
3336         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3337         * config/i386/i386.c (ix86_function_value): Accept the second
3338         argument of the target macro.
3339         (ix86_function_ok_for_sibcall): Pass a function pointer to
3340         ix86_function_value.
3341         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3342         call to ix86_value_regno).
3343         (ix86_value_regno): Add support for returning floating point values
3344         in SSE registers.
3345
3346 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR tree-optimization/20076
3349         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3350         that call __builtin_return or __builtin_apply_args.
3351
3352 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3353
3354         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3355         Use immediate use iterator.
3356         (stmt_is_bumper_for_loop): Use immediate use iterator.
3357         * predict.c (strip_builtin_expect): Use update_stmt.
3358         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3359         on all elements of a STATEMENT_LIST.
3360         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3361         (bsi_remove): Remove imm_use links and mark the stmt as modified.
3362         (bsi_replace): Mark stmt as modified and the update it.
3363         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3364         (expand_complex_libcal): Call update_stmt.
3365         (expand_complex_comparison): Call mark_stmt_modified.
3366         (expand_complex_operations_1): Call update_stmt_if_modified.
3367         (expand_vector_operations_1): Call mark_stmt_modified.
3368         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3369         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3370         add_immediate_use, redirect_immediate_use,
3371         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3372         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3373         (mark_new_vars_to_rename): Call update_stmt.
3374         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3375         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3376         Ignore PHI nodes.
3377         (unmodify_stmt): Delete.
3378         (update_stmt): New.  Force an update of a stmt.
3379         (update_stmt_if_modified): update a stmt if it is out of date.
3380         (get_stmt_operands): Verify stmt is NOT modified.
3381         (stmt_modified_p): Update comment.
3382         (delink_imm_use): Remove a use node from its immuse list.
3383         (link_imm_use_to_list): Link a use node to a specific list.
3384         (link_imm_use): Link a node to the correct list.
3385         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3386         it in the correct list, if appropriate.
3387         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3388         (relink_imm_use): Link a use node in place of another node in a list.
3389         (relink_imm_use_stmt): LInk a node in place of another node, and set
3390         the stmt pointer.
3391         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
3392         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
3393         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
3394         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
3395         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
3396         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
3397         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
3398         (has_zero_uses): New.  Return true if there are no uses of a var.
3399         (has_single_use): New.  Return true if there is only a single use of a
3400         variable.
3401         (single_imm_use): New.  Return the simgle immediate use.
3402         (num_imm_uses): New.  Return the number of immediate uses.
3403         (get_v_must_def_ops): Use is now a pointer.
3404         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3405         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3406         the use node.
3407         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3408         (delink_stmt_imm_use): Delink all immuses from a stmt.
3409         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
3410         * tree-flow.h (struct dataflow_d): Delete.
3411         (immediate_use_iterator_d): New.  Immediate use iterator struct.
3412         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
3413         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
3414         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
3415         iteration.
3416         (struct stmt_ann_d): Remove dataflow_t from struct.
3417         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
3418         (if_convertible_phi_p): Use FAST immuse iterator.
3419         (if_convertible_loop_p): Don't call compute_immediate_uses.
3420         (replace_phi_with_cond_modify_expr): Call update_stmt.
3421         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3422         update_stmt_if_modified.
3423         (rewrite_all_into_ssa): Initialize ssa operands.
3424         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3425         compute_immediate_uses.
3426         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3427         ssa_property is available.
3428         (execute_one_pass):  Change parameters passed to execute_todo.
3429         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3430         (remove_ssa_form): Call fini_ssa_operands.
3431         (insert_backedge_copies): Delete call to modify_stmt.
3432         * tree-phinodes.c (make_phi_node): Initialize use nodes.
3433         (release_phi_node): Delink any use nodes before releasing.
3434         (resize_phi_node): Relink any use nodes.
3435         (remove_phi_arg_num): Delink the use node.
3436         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3437         (remove_all_phi_nodes_for): Release phi node first.
3438         * tree-pretty-print.c (dump_generic_node): Print stmt address.
3439         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3440         (scalarize_use, scalarize_copy): Call update_stmt.
3441         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3442         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3443         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3444         (ccp_initialize): Remove call to compute_immediate_uses.
3445         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3446         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3447         stmts.
3448         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3449         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3450         (eliminate_redundant_computations): Call mark_stmt_modified.
3451         (cprop_operand): Call mark_stmt_modified.
3452         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3453         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3454         (dse_optimize_stmt): Use new immuse interface.
3455         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3456         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3457         (substitute_single_use_vars): Use new immuse interface.
3458         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3459         and compute_immediate_uses.
3460         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3461         interface.
3462         (rewrite_mem_refs): Call update_stmt.
3463         (determine_lsm): Remove call to compute_imm_uses and free_df.
3464         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3465         (try_unroll_loop_completely): Call update_stmt.
3466         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3467         (rewrite_use_compare): Call update_stmt.
3468         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3469         (rewrite_use) : Call update_stmt.
3470         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3471         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3472         update_stmt.
3473         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3474         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3475         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3476         use nodes.
3477         (initialize_vuse_operand): New.  Initialize a vuse operand.
3478         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
3479         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
3480         (finalize_ssa_defs): Use stmt parameter.
3481         (correct_use_link): Ensure a use node is in the correct list, and has
3482         the correct stmt pointer.
3483         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3484         finalize_ssa_v_must_defs): Also initialize use nodes.
3485         (finalize_ssa_stmt_operands): Pass extra stmt operands.
3486         (build_ssa_operands): Seperate parsing from final operand construction.
3487         (parse_ssa_operands): New.  Parse entry point for operand building.
3488         (swap_tree_operands): New.  Swap 2 tree operands.
3489         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
3490         operands.
3491         (get_expr_operands): Call swap_tree_operands when needed.
3492         (copy_virtual_operands): Use initialize routines for virtual use ops.
3493         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3494         (verify_abort): New.  Issue imm_use error.
3495         (verify_imm_links): New Verify imm_use links for a var.
3496         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
3497         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
3498         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
3499         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
3500         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3501         (NULL_USE_OPERAND_P) Define.
3502         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3503         use node.
3504         (struct vuse_operand_type): New struct.
3505         (SET_USE): Call set_ssa_use_from_ptr.
3506         (USE_STMT): Define.
3507         (PHI_ARG_INDEX_FROM_USE): Define.
3508         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3509         argument via SET_USE, not PHI_ARG_DEF_TREE.
3510         * tree-ssa-pre.c (eliminate): Call update_stmt.
3511         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
3512         call free_df.
3513         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3514         (nearest_common_dominator_of_uses): Use imm_use iterator.
3515         (statement_sink_location): Use imm_use iterator and interface.
3516         (execute_sink_code): Don't call compute_immediate_uses or free-df.
3517         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3518         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3519         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3520         (verify_ssa): Ensure no stmt is marked modify after optimization pass
3521         if new parameter is true.
3522         (init_tree_ssa): Don't initialize operand cache here.
3523         (delete_tree_ssa): Don't destroy operand cache here.
3524         (propagate_into_addr): Pass in a use pointer, return true if anything
3525         was changed.
3526         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3527         (check_phi_redundancy): Use imm_use iterator.
3528         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3529         free_df.
3530         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3531         (release_ssa_name): Delink node and all elements in its imm_use list.
3532         * tree-tailcall.c (adjust_return_value): Call update_stmt.
3533         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3534         * tree-vectorizer.c (need_imm_uses_for): Delete.
3535         (vectorize_loops): Dont call compute_immediate_uses or free_df.
3536         * tree.h (struct ssa_imm_use_d): Define.
3537         (SSA_NAME_IMM_USE_NODE): Define.
3538         (struct tree_ssa_name): Add imm_use node.
3539         (PHI_DF): Delete.
3540         (PHI_ARG_IMM_USE_NODE): Define.
3541         (struct phi_arg_d): Add imm_use node.
3542         (struct tree_phi_node): Remove struct dataflow_d element.
3543         (TDF_STMTADDR): Define.
3544
3545 2005-04-05  Dale Johannesen  <dalej@apple.com>
3546
3547         * doc/invoke.texi (Optimization Options):  Remove
3548         duplicate -fcse-follow-jumps.  Add -fweb.
3549         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
3550         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
3551
3552 2005-04-05  Per Bothner  <per@bothner.com>
3553
3554         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3555         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3556         (warn_uninit): Get EXPR_LOCUS from context now instead.
3557         This fixes a USE_MAPPED_LOCATION testsuite failure.
3558
3559         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3560
3561 2005-04-05  Per Bothner  <per@bothner.com>
3562
3563         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3564         of the artification 'return 0' in main() to BUILTINS_LOCATION.
3565         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3566         before warning.
3567
3568 2004-04-05  Devang Patel  <dpatel@apple.com>
3569
3570         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3571         (lhsr<mode>3): ... new name.
3572         (altivec_vsra<VI_char>): Rename to ..
3573         (ashr<mode>3): ... new name.
3574         * config/rs6000/rs6000.c (builtin_description): Rename shift
3575         operations.
3576
3577 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
3578
3579         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3580         gen_lowpart_for_combine.
3581         * cse.c (gen_lowpart_if_possible): Move...
3582         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
3583         gen_lowpart_SUBREG.
3584         (gen_lowpart_no_emit_general): Use it.
3585
3586 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3587
3588         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3589         overriding.
3590
3591 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3592
3593         * system.h: Fix typo.
3594
3595 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3596
3597         * config/bfin/bfin-modes.def: New file.
3598         * config/bfin/bfin-protos.h: New file.
3599         * config/bfin/bfin.c: New file.
3600         * config/bfin/bfin.h: New file.
3601         * config/bfin/bfin.md: New file.
3602         * config/bfin/bfin.opt: New file.
3603         * config/bfin/crti.s: New file.
3604         * config/bfin/crtn.s: New file.
3605         * config/bfin/elf.h: New file.
3606         * config/bfin/lib1funcs.asm: New file.
3607         * config/bfin/predicates.md: New file.
3608         * config/bfin/t-bfin: New file.
3609         * config/bfin/t-bfin-elf: New file.
3610         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3611         Document new attributes.
3612         (interrupt, interrupt_handler, saveall): Update documentation for
3613         these attributes.
3614         * doc/install.texi (Specific): Add entry for the Blackfin.
3615         * doc/invoke.texi (Blackfin Options): New section.
3616         * doc/md.texi (Blackfin family): New section to document constraints.
3617         * config.gcc: Add bfin*-* and bfin*-elf configurations.
3618
3619 2005-04-05  Olivier Hainque  <hainque@adacore.com>
3620
3621         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3622         match what the system unwinder expects.
3623         * config/mips/mips.c (mips_frame_set): If we're saving the return
3624         address register and the dwarf return address column number differs
3625         from the hard register number, adjust the note reg to refer to the
3626         former.
3627
3628 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
3629
3630         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3631         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3632         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3633         (processor_type): New enum.
3634         (mn10300_processor): New variable.
3635         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3636         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3637         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3638         (PROCESSOR_DEFAULT): New macro.
3639         * config/mn10300/mn10300.c (mn10300_processor): New variable.
3640         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3641         (mn10300_handle_option, mn10300_override_options): New functions.
3642         * config/mn10300/mn10300.opt: New file.
3643
3644 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3645             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3646
3647         PR tree-optimization/19903
3648         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3649         that don't fit in their type after conversion.
3650
3651 2005-04-05  Uros Bizjak <uros@kss-loka.si>
3652
3653         PR target/20421
3654         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3655         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3656         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
3657         flag here. Implement using define_insn_and_split.
3658         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3659         (frndintxf2_mask_pm_i387): New insn patterns.
3660         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3661         Do not set ix86_optimize_mode_switching flag.
3662         (ceilsf2, ceildf2, ceilxf2): Same.
3663         (btruncsf2, btruncdf2, btruncxf2): Same.
3664         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3665
3666 2005-04-05  Ian Lance Taylor  <ian@airs.com>
3667
3668         PR debug/9963
3669         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3670         i386_pe_record_external_function.
3671         (i386_pe_record_external_function): Update declaration.
3672         * config/i386/winnt.c (struct extern_list): Add decl field.
3673         (i386_pe_record_external_function): Add decl parameter.
3674         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3675         identifier.
3676         * config/i386/i386-protos.h (i386_pe_record_external_function):
3677         Update declaration.
3678
3679 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
3680
3681         * config/m68k/m68k-protos.h: Add a prototype for
3682         valid_dbcc_comparison_p_2.
3683         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3684         extend_operator, const_uint32_operand, const_sint32_operand,
3685         general_src_operand, nonimmediate_src_operand,
3686         memory_src_operand, post_inc_operand, pre_dec_operand,
3687         pcrel_address): Move to predicates to predicates.md.
3688         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3689         * config/m68k/m68k.md: Include predicates.md.
3690         * config/m68k/predicates.md: New.
3691
3692 2005-04-04  Roger Sayle  <roger@eyesopen.com>
3693
3694         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3695
3696         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3697
3698 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3699
3700         * c-typeck.c (struct c_switch): Rename switch_stmt field to
3701         switch_expr.
3702         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3703         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3704         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3705         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3706         * c-common.c (c_do_switch_warnings_1): New static function broken
3707         out of c_do_switch_warnings.
3708         (c_do_switch_warnings): Call c_do_switch_warnings_1.
3709         (c_do_switch_expr_warnings): New function.
3710         * c-common.h (c_do_switch_expr_warnings): Declare.
3711
3712 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
3713             Daniel Jacobowitz  <dan@codesourcery.com>
3714
3715         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3716         trapping divide.
3717         * rtlanal.c (may_trap_p): Same.
3718
3719 2005-04-04  Dale Johannesen  <dalej@apple.com>
3720
3721         * ChangeLog:  remove reference to ChangeLog.12.
3722
3723 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
3724
3725         CRIS epilogue as RTL.
3726         * config/cris/cris.md: Change all 0 in unspec 0 to
3727         CRIS_UNSPEC_PLT.
3728         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3729         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3730         patterns.
3731         ("return"): Change to define_expand.  Call cris_expand_return for
3732         actual expansion.
3733         ("*return_expanded"): New pattern.
3734         ("epilogue"): New define_expand.
3735         * config/cris/cris.h (PREDICATE_CODES): Add
3736         cris_load_multiple_op.
3737         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3738         type.
3739         (enum cris_retinsn_type): New.
3740         (struct machine_function): New member return_type.
3741         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3742         (cris_target_asm_function_epilogue): Remove, moving RTLified
3743         contents to...
3744         (cris_expand_epilogue): New function.
3745         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3746         (cris_gen_movem_load, cris_load_multiple_op)
3747         (cris_return_address_on_stack_for_return, cris_expand_return): New
3748         functions.
3749         (cris_target_asm_function_prologue)
3750         (cris_initial_frame_pointer_offset): Call
3751         cris_reg_saved_in_regsave_area instead of complicated expression.
3752         Call cris_return_address_on_stack instead of an expression.
3753         (cris_print_operand) <case 'o', case 'O'>: New cases.
3754         (cris_return_address_on_stack): Change return-type to bool.
3755         (cris_simple_epilogue): Ditto.  Return false if registers are
3756         saved.
3757         * config/cris/cris-protos.h (cris_simple_epilogue)
3758         (cris_return_address_on_stack): Adjust prototype return type.
3759         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3760         (cris_return_address_on_stack_for_return): New prototypes.
3761
3762 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3763
3764         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3765         gpr_or_int12_operand.
3766
3767         * config/frv/frv-protos.h: Add a prototype to
3768         frv_legitimate_memory_operand and frv_const_unspec_p.
3769         (frv_unspec): Move from frv.c.
3770         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3771         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3772         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3773         gpr_or_fpr_operand, gpr_or_int12_operand,
3774         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3775         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3776         int6_operand, int5_operand, uint5_operand, uint4_operand,
3777         uint1_operand, int_2word_operand, uint16_operand,
3778         upper_int16_operand, integer_register_operand,
3779         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3780         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3781         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3782         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3783         move_destination_operand, movcc_fp_destination_operand,
3784         frv_function_symbol_referenced_p, move_source_operand,
3785         condexec_dest_operand, condexec_source_operand,
3786         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3787         const_unspec_operand, gpr_or_memory_operand,
3788         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3789         icc_operand, fcc_operand, cc_operand, icr_operand,
3790         fcr_operand, cr_operand, call_operand, sibcall_operand,
3791         symbolic_operand, relational_operator,
3792         integer_relational_operator, float_relational_operator,
3793         ccr_eqne_operator, minmax_operator,
3794         condexec_si_binary_operator, condexec_si_media_operator,
3795         condexec_si_divide_operator, condexec_si_unary_operator,
3796         condexec_sf_conv_operator, condexec_sf_add_operator,
3797         condexec_memory_operand, intop_compare_operator, acc_operand,
3798         even_acc_operand, quad_acc_operand, accg_operand: Move to
3799         predicates.md.
3800         * config/frv/frv.h (PREDICATE_CODES): Remove.
3801         * config/frv/frv.md: Include predicates.md.
3802         * config/frv/predicates.md: New.
3803
3804 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3805
3806         PR target/19537
3807         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3808         * tree-ssa-loop-ivopts.c: Include langhooks.h.
3809         (add_standard_iv_candidates_for_size): New function, extracting code
3810         from add_standard_iv_candidates and parameterizing it by type size.
3811         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3812
3813 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3814
3815         * system.h (GCOV_SIZE_TYPE): Unposion.
3816         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3817         (GCOV_TYPE_SIZE): ...this new macro.
3818         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3819         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3820         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3821         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3822         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3823         instead of unsigned_intSI_type_node.
3824         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3825         (rtl_gen_one_value_profiler_no_edge_manipulation)
3826         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3827         * value-prof.c: Include coverage.h.
3828
3829 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
3830             Diego Novillo <dnovillo@redhat.com>
3831
3832         Fix PR tree-optimization/20703
3833         Fix PR tree-optimization/20725
3834
3835         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3836         (create_expression_by_pieces): Ditto.
3837         (valid_in_set): Ditto. Also handle tcc_declaration.
3838         (find_or_generate_expression): Handle comparison class.
3839         (insert_into_preds_of_block): Ditto.
3840         (insert_aux): Ditto.
3841         (create_value_expr_from): Handle comparison class, recursively
3842         handle reference nodes.
3843         (compute_avail): Handle comparison classes, rewrite a little cleaner.
3844         (execute_pre): Fix spacing.
3845         (do_fre): Renamed to execute_fre.
3846
3847 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3848
3849         * doc/invoke.texi (SPARC options): Document that
3850         -mlittle-endian is not supported on Linux either.
3851
3852 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3853
3854         PR target/4198
3855         PR target/12027
3856         * config.gcc (Obsolete configurations): Remove
3857         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3858         (sparclite-*-coff*): Delete.
3859         (sparclite-*-elf*): Likewise.
3860         (sparc86x-*-elf*): Likewise.
3861         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3862         * config/sparc/lite.h: Delete.
3863         * config/sparc/litecoff.h: Likewise.
3864         * config/sparc/liteelf.h: Likewise.
3865         * config/sparc/sp86x-elf.h: Likewise.
3866         * config/sparc/t-sparclite: Likewise.
3867         * config/sparc/t-sp86x: Likewise.
3868
3869 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
3870
3871         * config/s390/s390-protos.h: (s390_comparison,
3872         s390_alc_comparison, s390_slb_comparison, const0_operand,
3873         consttable_operand, larl_operand, s_operand,
3874         shift_count_operand, bras_sym_operand, load_multiple_operation,
3875         store_multiple_operation, s390_plus_operand): Remove prototypes.
3876         (s390_legitimate_address_without_index_p): New prototype.
3877         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3878         to s390.h.
3879         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
3880         const0_operand, consttable_operand, larl_operand, s_operand,
3881         shift_count_operand, bras_sym_operand, load_multiple_operation,
3882         store_multiple_operation, s390_plus_operand): Move to
3883         predicates.md.
3884         (check_mode): Remove.
3885         (s390_branch_condition_mask): Remove 'static'. Move prototype to
3886         s390-protos.h.
3887         (s390_legitimate_address_without_index_p): New.
3888         * config/s390/s390.h (PREDICATE_CODES): Remove.
3889         * config/s390/s390.md: Include predicates.md.
3890         * config/s390/predicates.md: New.
3891
3892 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3893
3894         PR target/20446
3895         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
3896         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
3897         (NEED_INDICATE_EXEC_STACK): Define to 1.
3898         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
3899         (NEED_INDICATE_EXEC_STACK): Define to 1.
3900         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
3901         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
3902         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
3903         (pic_helper_emitted_p): New global.
3904         (emit_pic_helper): New function extracted from...
3905         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
3906         Do not call emit_pic_helper if delay_pic_helper is true.
3907         (sparc_expand_prologue): Pass 'false' to load_pic_register.
3908         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
3909         (sparc_file_end): New function.
3910
3911 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3912
3913         * config/mcore/mcore-protos.h: Remove the prototypes for
3914         mcore_arith_reg_operand, mcore_general_movsrc_operand,
3915         mcore_general_movdst_operand, mcore_reload_operand,
3916         mcore_arith_J_operand, mcore_arith_K_operand,
3917         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
3918         mcore_arith_K_S_operand, mcore_arith_imm_operand,
3919         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3920         mcore_literal_K_operand, mcore_addsub_operand,
3921         mcore_compare_operand, mcore_load_multiple_operation,
3922         mcore_store_multiple_operation, mcore_call_address_operand.
3923         Add a prototype for const_ok_for_mcore.
3924         * config/mcore/mcore.c (mcore_call_address_operand,
3925         mcore_general_movsrc_operand, mcore_general_movdst_operand,
3926         mcore_arith_reg_operand, mcore_reload_operand,
3927         mcore_arith_J_operand, mcore_arith_K_operand,
3928         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
3929         mcore_arith_M_operand, mcore_arith_imm_operand,
3930         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3931         mcore_literal_K_operand, mcore_addsub_operand,
3932         mcore_compare_operand, mcore_load_multiple_operation,
3933         mcore_store_multiple_operation): Move to predicates.md.
3934         (const_ok_for_mcore): Export.
3935         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
3936         * config/mcore/mcore.md: Include predicates.md.
3937         * config/mcore/predicates.md: New.
3938
3939         * config/mcore/predicates.md: Fix a comment typo.
3940
3941 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3942             Adrian Straetling  <straetling@de.ibm.com>
3943
3944         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
3945         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
3946         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
3947         attribute.
3948         ("imul"): Removed from "type" attribute.
3949         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
3950         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
3951         Changed type to imulsi.
3952         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
3953
3954 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3955
3956         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
3957         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
3958         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
3959         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
3960         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
3961         (TARGET_SWITCHES, mcore_stack_increment_string)
3962         (TARGET_OPTIONS): Delete.
3963         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
3964         than *_BIT constants.
3965         (TARGET_8ALIGN): #undef old definition before redefining to 1.
3966         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
3967         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
3968         (mcore_override_options): Delete mcore_stack_increment code.
3969         Change use of M340_BIT to MASK_M340.
3970         * config/mcore/mcore.opt: New file.
3971
3972 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3973
3974         * config/arm/arm.c (replace_symbols_in_block): Remove static
3975         function.
3976
3977 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3978
3979         * config/fr30/fr30-protos.h: Remove the prototypes for
3980         stack_add_operand, add_immediate_operand,
3981         high_register_operand, low_register_operand, call_operand,
3982         di_operand, and nonimmediate_di_operand.
3983         * config/fr30/fr30.c (stack_add_operand,
3984         add_immediate_operand, high_register_operand,
3985         low_register_operand, call_operand, di_operand,
3986         nonimmediate_di_operand): Move to predicates.md.
3987         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
3988         * config/fr30/fr30.md: Include predicates.md.
3989         * config/fr30/predicates.md: New.
3990
3991         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
3992         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
3993         mcore_call_address_operand.
3994
3995         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
3996         general_movsrc_operand.
3997
3998 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
3999
4000         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
4001         after freeing.
4002
4003 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
4004
4005         PR target/14812
4006         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
4007         a negated value.
4008
4009 2005-04-04  Richard Henderson  <rth@redhat.com>
4010             Jakub Jelinek  <jakub@redhat.com>
4011
4012         PR rtl-optimization/16104
4013         * fold-const.c (fold_unary): Fix folding of vector conversions.
4014
4015 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4016
4017         * config.gcc (xstormy16-*-elf): Set extra_options.
4018         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
4019         * config/stormy16/stormy16.opt: New file.
4020
4021 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4022
4023         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
4024         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
4025         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
4026         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
4027         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
4028         (TARGET_UNIX_ASM): Delete.
4029         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
4030         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
4031         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
4032         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4033         * config/pdp11/pdp11.opt: New file.
4034
4035 2005-04-03  Roger Sayle  <roger@eyesopen.com>
4036             Alexandre Oliva  <aoliva@redhat.com>
4037
4038         PR c++/19199
4039         * fold-const.c (non_lvalue): Split tests into...
4040         (maybe_lvalue_p): New function.
4041         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
4042         C++ front-end prior to lowering into gimple form.
4043
4044 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4045
4046         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
4047         BUILT_IN_STRNCASECMP): New.
4048         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
4049         and strndup.
4050
4051 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
4052
4053         PR target/14812
4054         * arm.md (addsi3_compare0_for_combiner): Delete.
4055         (addsi3_compare0_scratch_for_combiner): Delete.
4056         (cmpsi_neg_shiftsi): Delete.
4057         (compare_negsi_si): New pattern.
4058         (cmpsi_negshiftsi_si): New pattern.
4059         (negated_cbranchsi4): Restrict to equality_operator.
4060
4061         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
4062         template.
4063
4064 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
4065
4066         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
4067         Fix comment typos.
4068
4069         * doc/install.texi: Fix a typo.
4070
4071 2005-04-03  Steven Bosscher  <stevenb@suse.de>
4072
4073         PR middle-end/20648
4074         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
4075         a computed goto if the edge to the computed goto block has
4076         incoming abnormal edges.  Clarify how the function works.
4077
4078 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
4079
4080         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
4081         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
4082         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
4083         hash_scan_set, reg_set_between_after_reload_p,
4084         reg_used_between_after_reload_p, get_avail_load_store_reg,
4085         eliminate_partially_redundant_load): Likewise.
4086         * postreload.c (reload_cse_simplify_set,
4087         reload_combine_note_use): Likewise.
4088         * predict.c (predict_insn, expected_value_to_br_prob,
4089         propagate_freq, expensive_function_p): Likewise.
4090         * print-rtl.c (print_rtx): Likewise.
4091         * profile.c (instrument_edges, instrument_values,
4092         compute_branch_probabilities, branch_prob, union_groups,
4093         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
4094         * protoize.c (in_system_include_dir, file_could_be_converted,
4095         file_normally_convertible, gen_aux_info_file, seek_to_line,
4096         do_cleaning): Likewise.
4097         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
4098         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
4099         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4100
4101 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4102
4103         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
4104         * modulo-sched.c (undo_replace_buff_elem): New structure.
4105         (kernel_number_of_cycles, ps_unschedule_node,
4106         undo_generate_reg_moves,free_undo_replace_buff,
4107         undo_permute_partial_schedule,  loop_single_full_bb_p,
4108         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
4109         build_loops_structure, get_sched_window): New.
4110         (generate_reg_moves): Return undo_replace_buff_elem and other
4111         fixes.
4112         (generate_prolog_epilog): Remove old loop versioning.
4113         (sms_schedule): Use loop information and loop_version.
4114         (sms_schedule_by_order): Split part of it to get_sched_window.
4115         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
4116         cfg_layout_finalize and free_dominance_info before/after SMS.
4117
4118 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4119
4120         * cfghooks.c (lv_flush_pending_stmts,
4121         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
4122         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
4123         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
4124         lv_add_condition_to_bb,
4125         lv_adjust_loop_header_phi, extract_cond_bb_edges,
4126         flush_pending_stmts): New in cfg_hooks structure.
4127         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
4128         extract_cond_bb_edges, lv_adjust_loop_header_phi,
4129         lv_add_condition_to_bb): New declarations.
4130         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
4131         bool.
4132         (loop_version): Declare.
4133         * cfgloopmanip.c (cfghooks.h): Include.
4134         (duplicate_loop_to_header_edge): Change return type to bool.
4135         (loop_version, lv_adjust_loop_entry_edge): Move here.
4136         * cfgrtl.c (cfgloop.h): Include.
4137         (rtl_verify_flow_info_1): Fix.
4138         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
4139         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
4140         initialization.
4141         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
4142         tree_lv_add_condition_to_bb): New.
4143         (tree_cfg_hooks): Add new hooks to initialization.
4144         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
4145         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
4146
4147 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
4148
4149         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
4150         xstormy16_below100_or_register,
4151         xstormy16_splittable_below100_or_register, and
4152         nonimmediate_nonstack_operand.
4153
4154         * config/stormy16/stormy16-protos.h: Remove the prototypes for
4155         xstormy16_ineqsi_operator, equality_operator,
4156         inequality_operator, shift_operator,
4157         xstormy16_below100_operand, xstormy16_below100_or_register,
4158         xstormy16_splittable_below100_or_register,
4159         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
4160         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
4161         equality_operator, inequality_operator,
4162         xstormy16_below100_operand, xstormy16_below100_or_register,
4163         xstormy16_splittable_below100_or_register,
4164         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
4165         nonimmediate_nonstack_operand, shift_operator): Move to
4166         predicates.md.
4167         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
4168         * config/stormy16/stormy16.md: Include predicates.md.
4169         * config/stormy16/predicates.md: New.
4170
4171 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4172
4173         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
4174         small_int, large_int, reg_or_0_operand, simple_memory_operand,
4175         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
4176         move_operand, power_of_2_operand): Move to predicates.md.
4177         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
4178         PREDICATE_CODE): Remove.
4179         * config/iq2000/iq2000.md: Include predicates.md.
4180         * config/iq2000/predicates.md: New.
4181
4182 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
4183
4184         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
4185         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
4186         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
4187         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
4188         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
4189         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
4190         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
4191         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4192         (TARGET_M68HC11): Delete.
4193         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
4194         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
4195         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
4196         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4197         (nb_soft_regs): Delete.
4198         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
4199         (m68hc11_override_options): Remove the code that caters for MASK_M6811
4200         and MASK_M6812 being set simultaneously.  Change the code that sets
4201         the default m68hc11_soft_reg_count to use integers instead of strings.
4202         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
4203         m68hc11_soft_reg_count (which now has an int type) as the number
4204         of soft registers.
4205         * config/m68hc11/m68hc11.opt: New file.
4206
4207 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4208
4209         * config/fr30/fr30.h (PREDICATE_CODES): Remove
4210         fp_displacement_operand, sp_displacement_operand.
4211
4212         * config/m68hc11/m68hc11-protos.h: Add a prototype for
4213         m68hcc_auto_inc_p.
4214         Remove the prototypes for tst_operand, cmp_operand,
4215         stack_register_operand, d_register_operand,
4216         hard_addr_reg_operand, splitable_operand,
4217         m68hc11_logical_operator, m68hc11_arith_operator,
4218         m68hc11_non_shift_operator, m68hc11_shift_operator,
4219         m68hc11_unary_operator, m68hc11_eq_compare_operator,
4220         non_push_operand, hard_reg_operand, and
4221         reg_or_some_mem_operand.
4222         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
4223         extern.
4224         (tst_operand, cmp_operand, non_push_operand,
4225         splitable_operand, reg_or_some_mem_operand,
4226         stack_register_operand, d_register_operand,
4227         hard_addr_reg_operand, hard_reg_operand,
4228         m68hc11_eq_compare_operator, m68hc11_logical_operator,
4229         m68hc11_arith_operator, m68hc11_non_shift_operator,
4230         m68hc11_shift_operator, m68hc11_unary_operator): Move to
4231         predicates.md.
4232         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
4233         * config/m68hc11/m68hc11.md: Include predicates.md.
4234         * config/m68hc11/predicates.md: New.
4235
4236 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4237
4238         PR debug/19345
4239         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
4240         change checked in along with 2005-03-03's patch for debug/20253.
4241         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4242         (remap_decl): Insert type decl in map earlier.
4243
4244 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4245
4246         PR tree-optimization/20640
4247         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4248         post-dominator if it has phi nodes.
4249         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4250         before dead statements.
4251
4252 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4253
4254         PR middle-end/20491
4255         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4256
4257 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4258
4259         PR rtl-optimization/20290
4260         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4261         in every iteration if the entry point is the exit test.
4262
4263 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
4264
4265         * config/cris/cris.md (attribute "length"): Define.
4266
4267 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
4268
4269         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4270         (word_offset_memref_operand): New.
4271         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4272         (indexed_or_indirect_operand): Delete.
4273         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4274         (indexed_or_indirect_operand): Delete.
4275
4276         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4277
4278         PR 20650
4279         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4280         a register.
4281
4282         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4283         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4284
4285 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4286
4287         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4288
4289 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4290
4291         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4292         (rus, prus): Remove static variables.
4293         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4294         (process_command): Permit report_times and use_pipes together.
4295
4296 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4297
4298         * c-decl.c (validate_proto_after_old_defn): Look at
4299         TYPE_MAIN_VARIANT of argument types.
4300
4301 2005-04-01  Paul Brook  <paul@codesourcery.com>
4302
4303         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4304         (arm_output_function_epilogue): Allow call_via_SP.
4305         (thumb_call_via_reg, arm_file_end): Ditto.
4306         * config/arm/arm.h (struct machine_function): Include space for SP.
4307         (thumb_call_via_label): Update declaration.
4308
4309 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4310
4311         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4312         doing a peephole optimization, once again put any notes in the
4313         proper position.
4314
4315 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4316
4317         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4318
4319 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4320
4321         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4322         (block_alloc, find_free_reg): Likewise.
4323         * loop-doloop.c (doloop_modify): Likewise.
4324         * loop-invariant.c (record_use): Likewise.
4325         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4326         get_iv_value, canon_condition, eliminate_implied_condition,
4327         eliminate_implied_condition, simplify_using_initial_values,
4328         shorten_into_mode, canonicalize_iv_subregs,
4329         iv_number_of_iterations): Likewise.
4330         * loop-unroll.c (expand_var_during_unrolling): Likewise.
4331         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4332         unswitch_loop): Likewise.
4333         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4334         move_movables, replace_call_address, find_and_verify_loops,
4335         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4336         record_giv, final_giv_value, general_induction_var,
4337         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4338         loop_giv_dump): Likewise.
4339
4340         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4341         GCOV_CHECK_WRITING): Remove.
4342         (gcov_position, gcov_rewrite): Use gcc_assert.
4343         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4344         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4345         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4346         gcc_assert.
4347
4348 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4349
4350         * tree-inline.c: Fix a typo.
4351
4352 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4353
4354         * configure.ac (enable-checking): Explicitly set all variables for
4355         collective switch values.  Alphabetize variables. Rename
4356         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
4357         synonym for 'no'.
4358         * doc/install.texi (enable-checking): Update documentation.
4359         * configure: Rebuilt.
4360
4361 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4362
4363         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4364         possible.
4365
4366 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4367
4368         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4369         Also reject cases where this pattern will cause load delay stalls
4370         unless optimizing for size and it will produce a shorter sequence.
4371         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4372         variants to avoid pre-adjusting the base when possible.
4373
4374 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4375
4376         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4377         the frame and argument pointers.
4378         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4379         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4380         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4381         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4382         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4383         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4384
4385 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
4386
4387         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4388         with entry for selectany attribute.
4389         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4390         Declare.
4391         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4392         (i386_pe_asm_named_section): Handle sections generated by
4393         selectany attribute.
4394         * doc/extend.texi (selectany): Document attribute.
4395
4396 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
4397             Jan Hubicka  <jh@suse.cz>
4398
4399         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4400         to fix addresses involving EBP and ESP.
4401         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4402         for SUBREGed registers.
4403         (legitimate_address_p): Accept SUBREGed registers.
4404
4405 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
4406
4407         PR c++/19406
4408         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4409         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4410         for FIELD_DECLs.
4411
4412 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4413
4414         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4415
4416 2005-04-01  James E Wilson  <wilson@specifixinc.com>
4417
4418         PR c++/20505
4419         * dwarf2out.c (rtl_for_decl_init): New function.
4420         (rtl_for_decl_location): Extracted from here.
4421         (tree_add_const_value_attribute): Call rtl_for_decl_init and
4422         add_const_value_attribute.  Delete initializer_constant_valid_p call.
4423
4424 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4425
4426         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4427         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4428         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4429         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4430         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4431         config/i386/i386.md, config/rs6000/predicates.md,
4432         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4433         config/s390/s390.c, config/stormy16/stormy16.c,
4434         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4435         typos.
4436
4437 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4438
4439         PR c/17855
4440         * gimplify.c (gimplify_expr): Create a temporary for lvalue
4441         COND_EXPR and CALL_EXPR.
4442
4443 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4444
4445         PR target/20632
4446         * genautomata.c (first_cycle_unit_presence): Check all alternative
4447         states for unit presence.
4448
4449         * doc/md.texi: Remove remark about impossibility to query unit
4450         presence in non nondeterministic automaton state.
4451
4452         * config/ia64/ia64.c (get_template): Change order of unit querying.
4453
4454 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4455
4456         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4457         obsolete comment.
4458
4459 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
4460
4461         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4462         flag for edges outside any loops.
4463
4464 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
4465
4466         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4467
4468 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4469
4470         * tree-ssa-alias.c: Follow spelling conventions.
4471         * doc/tree-ssa.texi: Fix a typo.
4472
4473 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
4474
4475         * postreload-gcse.c: Include target.h.
4476         (gcse_after_reload_main): Return early if we cannot modify jumps.
4477         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4478
4479 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
4480
4481         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4482         expensive operations.
4483
4484 2005-03-31  Ian Lance Taylor  <ian@airs.com>
4485
4486         * collect2.c (lderrout): New variable.
4487         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
4488         if it is set, to stderr.
4489         (handler): Unlink lderrout if it is set.
4490         (dump_file): Add "to" parameter.  Change all callers.
4491         (main): Initialize lderrout.
4492         (collect_execute): Add errname parameter.  Change all callers.
4493         Rename redir parameter to outname.  Never pass
4494         PEX_STDERR_TO_STDOUT to pex_run.
4495         * collect2.h (collect_execute, dump_file): Update declarations.
4496         * tlink.c (tlink_execute): Add errname parameter.  Change all
4497         callers.
4498         (do_tlink): Check lderrout as well as ldout.
4499
4500 2005-03-31  Caroline Tice  <ctice@apple.com>
4501
4502         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4503         (bb-reorder.o): Add errors.h to list of requirements.
4504         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4505         profiledbootstrap flags.
4506         * bb-reorder.c (errors.h): Add new include.
4507         (struct bbro_basic_block_data_def): Add new field, in_trace.
4508         (add_unlikely_executed_notes):  Remove function.
4509         (mark_bb_for_unlikely_executed_section): Remove function.
4510         (insert_section_boundary_note): New function.
4511         (verify_hot_cold_block_grouping): New function.
4512         (push_to_next_round_p): Remove variables and tests that push all
4513         cold blocks to last round.
4514         (find_traces): Remove code that added extra round of trace finding
4515         when doing partitioning.
4516         (find_traces_1_round) :  Remove variable last_round;  add code to
4517         update new struct field, in_trace; correct trace_length where it was
4518         incorrect before (after call to copy_bb); change code that pushed all
4519         cold blocks to last round. Instead verify that all blocks going into
4520         a trace belong in the same partition.
4521         (connect_traces): Modify to connect the traces in two passes, if the
4522         function contains both hot and cold blocks.  The first pass connects
4523         all the traces for blocks in the partition that the first block in
4524         the function belongs to; the second pass connnects all the traces
4525         containing blocks that belong in the other partition.
4526         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
4527         code that automatically put the first block in a function into the
4528         hot partition if the function had any hot blocks.
4529         (fix_crossing_unconditional_branches): Check number of succ edges
4530         before attempting to get one.
4531         (fix_edges_for_rarely_executed_code):  Update comment describing
4532         function.
4533         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
4534         remove call to add_unlikely_executed_notes; add call to
4535         verify_hot_cold_block_grouping.
4536         (duplicate_computed_gotos): Don't change computed goto if it's a
4537         crossing edge.
4538         (partition_hot_cold_basic_blocks):  Update function comment.
4539         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4540         condition.
4541         (try_forward_edges): Likewise.
4542         (merge_blocks_move_predecessor_nojumps): Likewise.
4543         (merge_blocks_move_successor_nojumps): Likewise.
4544         (merge_blocks_move): Likewise.
4545         (try_crossjump_bb): Likewise.
4546         * cfglayout.c (update_unlikely_executed_notes): Remove function.
4547         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4548         notes to cold bb's; remove call to update_unlikely_executed_notes.
4549         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4550         NOTE_INSN_SWITCH_TEXT_SECTIONS.
4551         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4552         function declaration.
4553         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4554         from consideration.
4555         (rtl_can_merge_blocks): Remove redundancy from condition.
4556         (try_redirect_by_replacing_jump): Likewise.
4557         (force_nonfallthru_and_redirect): Remove code for adding
4558         UNLIKELY_EXECUTED_CODE notes to cold bb's.
4559         (commit_one_edge_insertion): Likewise.
4560         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4561         * dbxout.c (FORCE_TEXT): Replace function_section with
4562         current_function_section.
4563         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4564         function, switch_text_section.
4565         (struct xcoff_debug): Likewise.
4566         (dbxout_function_end): Add code to put out label diffs for both
4567         hot and cold sections.
4568         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4569         for new debug_hooks funciton, switch_text_section..
4570         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
4571         switch_text_section.
4572         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
4573         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4574         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4575         dw_fde_switched_sections.
4576         (output_call_frame_info):  Add test to see if function switches text
4577         sections in the middle; if so, use appropriate extra hot and cold
4578         section labels to compute size deltas for the hot and cold sections.
4579         (dwarf2out_begin_prologue): Add code to initialize new fields in
4580         dw_fde_struct.
4581         (dwarf2out_switch_text_section): New function (invoked through
4582         debug_hook); updates new fields in dw_fde_struct appropriately and
4583         increments separate_line_info_table_in_use.
4584         (dwarf2_debug_hooks): Initialize switch_text_section function to be
4585         dwarf2out_switch_text_section.
4586         (struct var_loc_node): Add new field, section_label.
4587         (output_aranges): Add code to check whether in hot or cold section and
4588         use the appropriate label in calculating deltas.
4589         (output_ranges): Likewise.
4590         (output_line_info): Add code to check which section we're in and
4591         use appropriate hot/cold label.
4592         (add_location_or_constant_value_attribute): Likewise.
4593         (gen_subprogam_die): Modify arange attributes to use correct labels.
4594         (dwarf2out_begin_block): Change call to function_section into call to
4595         current_function_section.
4596         (dwarf2out_end_block): Likewise.
4597         (dwarf2out_source_line): Likewise.
4598         (dwarf2out_var_location): Add code to check whether in hot or cold
4599         section and use the appropriate label.
4600         * except.c (output_function_exception_table): Change call to
4601         function_section into call to current_function_section.
4602         * final.c (profile_function): Likewise.
4603         (scan_ahead_for_unlikely_executed_note): Remove function.
4604         (final_scan_insn):  Remove calls to
4605         scan_ahead_for_unlikely_executed_note, and related code for switching
4606         to cold section, except for the single time
4607         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
4608         debug_hooks->switch_text_sections; replace appropriate calls to
4609         function_section with calls to current_function_section.
4610         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4611         test_bb to condition.
4612         (find_if_case_2): Likewise.
4613         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4614         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
4615         * opts.c (decode_options): Change warning about hot/cold partitioning
4616         with exceptionss to inform (so as not to cause bootstrap failures);
4617         remove warning about partitioning with DWARF debug info.
4618         * output.h (current_function_section): Add new function decl.
4619         (insert_section_boundary_note): Likewise.
4620         (enum in_section): Move this declaration here from varasm.c.
4621         (unlikely_section_label): Likewise.
4622         (unlikely_text_section_name): Likewise.
4623         (last_text_section_name): New global variable.
4624         (last_text_section): Likewise.
4625         (hot_section_label): Likewise.
4626         (hot_section_end_label): Likewise.
4627         (cold_section_end_label): Likewise.
4628         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4629         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4630         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4631         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4632         insn from consideration.
4633         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4634         switch_text_section.
4635         * varasm.c (basic-block.h): Add new include.
4636         (unlikely_section_label_printed): Remove global variable.
4637         (unlikely_section_label): Make global variable not be static any more.
4638         (unlikely_text_section_name): Likewise.
4639         (hot_section_end_label): New global variable (not static)
4640         (first_function_block_is_cold): Likewise.
4641         (hot_section_label): Likewise.
4642         (cold_section_end_label): Likewise..
4643         (last_text_section): New global variable, not static.
4644         (last_text_section_name): New global variable, not static.
4645         (initialize_cold_section_name): New function.
4646         (enum in_section): Move declaration to output.h.
4647         (text_section): Update last_text_section.
4648         (unlikely_text_section): Replace code to determine cold section name
4649         with call to initialize_cold_section_name; Add code to update
4650         last_text_section; remove code for printing out label.
4651         (named_section_real): Add code to update last_text_section and
4652         last_text_section_name as appropriate.
4653         (function_section): Change test for 'unlikely' to depend on
4654         first_function_block_is_cold (moved old test to
4655         current_function_section).
4656         (current_function_section): New function.
4657         (assemble_start_function): Move code that frees
4658         unlikely_text_section_name; initialize hot_section_end_label;
4659         print hot and cold section labels at the start of the function;
4660         set first_function_block_is_cold, if appropriate; initialize l
4661         ast_text_section; add call to insert_section_boundary_note.
4662         (assemble_end_function):  Add code to write out hot and cold section
4663         end labels.
4664         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4665         switch_text_section.
4666         * config/darwin.c (machopic_select_section): Replace incorrect
4667         function in base_funs; update reloc for cold sections if necessary.
4668         * config/darwin.h (SECTION_FUNCTION):  Add code to update
4669         last_text_section if appropriate.
4670         (text_unlikely_section): Remove.
4671         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4672         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4673         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4674         partitioning for this architecture.
4675
4676 2005-03-31  Olivier Hainque  <hainque@adacore.com>
4677
4678         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4679         defined and non-zero.
4680
4681 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4682
4683         PR c++/18644
4684         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4685         semantics.
4686
4687 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4688
4689         PR target/20611
4690         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4691         label operand.  Remove (use (unspec..)).  Don't emit a label on
4692         the offset word.
4693         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4694         generate inline label for load_toc_v4_PIC_1b.
4695         (rs6000_emit_load_toc_table): Likewise.
4696
4697 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4698
4699         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4700         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4701
4702 2005-03-29  Devang Patel  <dpatel@apple.com>
4703
4704         * tree-sra.c (decide_block_copy): Disable scalarization of
4705         sub-elements.
4706
4707 2005-03-30  Stuart Hastings  <stuart@apple.com>
4708             Dale Johannesen  <dalej@apple.com>
4709
4710         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
4711         * print-tree.c (print_node):  Add case STATEMENT_LIST.
4712
4713 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4714
4715         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4716         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
4717         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4718         is given with "powerpc64*" or "all", or when --with-cpu chooses
4719         a 64-bit cpu.
4720
4721 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
4722
4723         PR debug/20268
4724         * dwarf2out.c (add_high_low_attributes): New function, extracted from
4725         gen_lexical_block_die.
4726         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4727
4728 2005-03-31  Jan Hubicka  <jh@suse.cz>
4729
4730         2004-11-02  Jan Hubicka  <jh@suse.cz>
4731
4732         * cgraph.c (cgraph_varpool_node_name): New function.
4733         (dump_cgraph_varpool_node): New function.
4734         (dump_varpool): New function.
4735         * cgraphunit.c (cgraph_optimize): Dump varpool.
4736
4737         2004-10-16  Jan Hubicka  <jh@suse.cz>
4738
4739         * cgraph.c (decide_is_variable_needed): New function.
4740         (cgraph_varpool_finalize_decl): Use it.
4741         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4742         unit-at-a-time.
4743         * final.c (output_addr_const): Do not call mark_referenced.
4744         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4745         always go via cgraph.
4746         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4747         (check_global_declarations): Ifdef out code clearing DECL_RTL.
4748         * tree-optimize.c (execute_inline): Mark functions called.
4749         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4750
4751         2004-10-11  Jan Hubicka  <jh@suse.cz>
4752
4753         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4754         (cgraph_varpool_last_needed_node): New static variable.
4755         (enqueue_needed_varpool_node): Break out from ...; add items to the
4756         end of queue; update first pointers.
4757         (cgraph_varpool_mark_needed_node): ... here.
4758         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4759         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4760         * cgraph.h (cgraph_varpool_node): Add analyzed field.
4761         (cgraph_varpool_first_unanalyzed_node): Declare.
4762         * cgraphunit.c: Include output.h.
4763         (cgraph_varpool_analyze_pending_decls): New function.
4764         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4765         for errors, analyze pending decls.
4766         (cgraph_finalize_compilation_unit): Only analyze decls.
4767         (cgraph_optimize): Assemble the decls after expanding.
4768
4769 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
4770
4771         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4772         subvars get marked properly in tags for grouping.
4773         (add_pointed_to_var): Mark only actual pointed to
4774         variables/subvars in addresses needed.
4775         (create_overlap_variables_for): Clear call clobbered on original
4776         variable.
4777         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4778         addresable vars with subvars into list.
4779         * tree-ssa.c (verify_ssa_name): Verify original is not used where
4780         subvar should be.
4781
4782 2005-03-30  Richard Henderson  <rth@redhat.com>
4783
4784         * cgraph.h (struct cgraph_node): Add alias.
4785         * varasm.c (assemble_alias): Set it.
4786         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4787         avoid calling cgraph_expand_function.
4788
4789 2005-03-30  Tom Tromey  <tromey@redhat.com>
4790
4791         * tree.def (FILE_TYPE): Removed.
4792         * typeclass.h (enum type_class): Removed file_type_class.
4793         * dwarf2out.c (is_base_type): Updated.
4794         (gen_type_die): Likewise.
4795         * dbxout.c (dbxout_type): Updated.
4796         * builtins.c (type_to_class): Updated.
4797         * tree.c (type_contains_placeholder_1): Updated.
4798         * config/sparc/sparc.c (sparc_type_code): Updated.
4799         * config/ia64/ia64.c (hfa_element_mode): Updated.
4800         * expr.c (count_type_elements): Updated.
4801         * stor-layout.c (layout_type): Updated.
4802         * tree-inline.c (remap_type): Updated.
4803         * tree-pretty-print.c (dump_generic_node): Updated.
4804
4805 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4806
4807         * builtins.c (expand_builtin_powi): Fix mode of
4808         2nd argument to match int.
4809         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4810         2nd argument type to int.
4811         * libgcc2.c: Change prototype of __powi* functions to use
4812         int.
4813
4814 2005-03-30  Dale Johannesen  <dalej@apple.com>
4815
4816         PR middle-end/19225
4817         * calls.c (expand_call):  Flush pending deferrals before
4818         throwing call.
4819
4820 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4821
4822         PR c/772
4823         PR c/17913
4824         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4825         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4826         c_label_context, label_context_stack): New.
4827         * c-decl.c (define_label): Check for jumps into statement
4828         expressions.  Add label to list of defined labels.
4829         (start_function): Push context on label_context_stack.
4830         (finish_function): Pop context from label_context_stack.
4831         * c-typeck.c (label_context_stack): New.
4832         (c_finish_goto_label): Check for jumps into statement
4833         expressions.  Add label to list of jumped to labels.
4834         (struct c_switch): Add blocked_stmt_expr.
4835         (c_start_case): Initialize it.
4836         (do_case): Check it.
4837         (c_finish_case): Verify !blocked_stmt_expr.
4838         (c_begin_stmt_expr):  Push context on label_context_stack.
4839         Increment blocked_stmt_expr.  Mark labels jumped to from outside
4840         as undefinable.
4841         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
4842         defined in the statement expression and no longer jumpable to.
4843         Mark labels jumped to from just outside the statement expression
4844         as again definable.  Pop context from label_context_stack.
4845         * doc/extend.texi (Statement Exprs): Update.
4846
4847 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4848
4849         PR c/20368
4850         * c-decl.c (start_function): Check for old_decl being
4851         error_mark_node.
4852
4853 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4854
4855         * final.c (final): Remove prescan parameter.  Change all callers.
4856         (final_scan_insn): Remove prescan parameter.  Change all callers.
4857
4858 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
4859
4860         * tree-vectorizer.c: Fix comment typos.
4861
4862 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
4863
4864         * tree-scalar-evolution.c (instantiate_parameters_1): Return
4865         as soon as a chrec_dont_know is detected.
4866
4867 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
4868
4869         Merge from csl-arm-branch.
4870         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
4871
4872         * tlink.c (recompile_files): Do not assume that "rename" can
4873         overwrite an existing file.
4874
4875 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
4876
4877         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4878         * gcc/configure: Regenerate.
4879
4880 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4881
4882         * doc/install.texi: Update binutils requirement for powerpc*-linux.
4883
4884         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
4885
4886         * calls.c (struct arg_data): Update "partial" comment.
4887         (load_register_parameters): Update "nregs" comment.
4888
4889 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4890
4891         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
4892         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
4893         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
4894         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
4895         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
4896         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
4897         than target_flags & 0.
4898         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
4899         (iq2000_arch, iq2000_parse_cpu): Delete.
4900         (TARGET_HANDLE_OPTION): Override default.
4901         (iq2000_handle_option): New function.
4902         (override_options): Remove -march= and -mcpu= handling.
4903         * config/iq2000/iq2000.opt: New file.
4904
4905 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4906
4907         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
4908         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
4909         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
4910         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
4911         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
4912         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
4913         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
4914         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
4915         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
4916         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
4917         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
4918         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
4919         (c4x_rpts_cycles_string, c4x_cpu_version_string)
4920         (TARGET_OPTIONS): Delete.
4921         (c4x_rpts_cycles, c4x_cpu_version): Declare.
4922         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
4923         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
4924         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
4925         (c4x_cpu_version_string): Delete.
4926         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4927         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
4928         equivalent -mcpu= option.
4929         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
4930         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
4931         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
4932         or clearing the appropriate MASK_* bit.
4933         (c4x_file_start): Use c4x_cpu_version.
4934         * config/c4x/c4x.opt: New file.
4935
4936 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4937
4938         * doc/options.texi: Document the new MaskExists flag.
4939         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
4940         if the option has the MaskExists flag.
4941
4942 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4943
4944         * opt-functions.awk (flag_set_p, test_flag): New functions.
4945         (switch_flags): Use them.
4946         * opth-gen.awk: Use flag_set_p to check for flags.
4947         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
4948
4949 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4950
4951         * config.host (i[34567]86-*-mingw32*): Don't set
4952         host_can_use_collect2 to no.
4953
4954 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4955
4956         PR target/20203
4957         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
4958         Remove convert_memory_address call duplicating that in memory_address.
4959
4960 2005-03-29  Richard Henderson  <rth@redhat.com>
4961
4962         PR c/20519
4963         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
4964         (build_compound_literal): Likewise.  Propagate decl type into the
4965         initializer.
4966         (finish_decl): Likewise.  Use new return value from complete_array_type
4967         for zero sized arrays.
4968         (complete_array_type): Move ...
4969         * c-common.c (complete_array_type): ... here.  Change first argument
4970         to pointer-to-type-node.  Consistently use sizetype for the index
4971         except for zero sized arrays.  Detect zero sized arrays for pedantic
4972         mode diagnostics.  Create a new type node instead of modifying the
4973         old node in place.
4974         * c-tree.h (complete_array_type): Move decl ...
4975         * c-common.h (complete_array_type): ... here.
4976
4977 2005-03-29  Richard Henderson  <rth@redhat.com>
4978
4979         PR tree-opt/19108
4980         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
4981
4982 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
4983
4984         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
4985         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
4986         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
4987         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
4988
4989 2005-03-29  Eric Christopher  <echristo@redhat.com>
4990
4991         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
4992         truthvalue conversion removal.
4993
4994 2005-03-29  Ian Lance Taylor  <ian@airs.com>
4995
4996         PR bootstrap/14316
4997         * collect2.c: Never include <vfork.h>.
4998         (VFORK_STRING, vfork): Don't define.
4999         (pid): Remove global variable.
5000         (handler): Call raise instead of kill (getpid(), ...).
5001         (collect_wait): Add pex parameter.  Change all callers.  Use
5002         pex_get_status rather than pwait.
5003         (do_wait): Add pex parameter.  Change all callers.
5004         (collect_execute): Return struct pex_obj * rather than void.  Use
5005         pex routines rather than pexecute.
5006         (fork_execute): Get pex_obj from collect_execute, and pass it to
5007         do_wait.
5008         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
5009         Only declare quit_handler if SIGQUIT is defined.
5010         (scan_libraries): Likewise.
5011         * collect2.h (collect_execute): Update declaration.
5012         (collect_wait): Update declaration.
5013         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
5014         pass it to collect_wait.
5015
5016 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
5017
5018         PR c/20672
5019         * c-parser.c (c_parser_compound_statement_nostart): Give error
5020         message for EOF instead of just setting parser->error.
5021
5022 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
5023
5024         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
5025         (slpeel_update_phi_nodes_for_guard1): New function.
5026         (slpeel_update_phi_nodes_for_guard2): New function.
5027         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
5028         of slpeel_update_phi_nodes_for_guard.
5029         (vectorize_loops): Remove call to loop_closed_rewrite.
5030         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
5031         assertion.
5032
5033 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
5034
5035         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
5036         (TARGET_LITTLE_ENDIAN): New macro.
5037         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
5038         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
5039         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
5040         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
5041         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
5042         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
5043         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
5044         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
5045         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
5046         (TARGET_OPTIONS): Delete.
5047         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
5048         (CACHE_FLUSH_TRAP): Turn into an integer.
5049         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
5050         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
5051         -mflush-trap is in use.
5052         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
5053         (m32r_cache_flush_trap_string): Delete.
5054         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
5055         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
5056         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
5057         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5058         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
5059         -mmodel= and -msdata= handling from...
5060         (m32r_init): ...here.
5061         * config/m32r/m32r.opt: New file.
5062
5063 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
5064
5065         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
5066         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
5067         * tree-vect-analyze.c (vect_object_analysis): additional parm
5068         pass back a "struct ptr_info_def *" with the points-to info.
5069         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
5070         statement using info returned from vect_object_analysis.
5071         * tree-vect-transform.c (update_vuses_to_preheader): New function.
5072         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
5073         for virtual uses and defs when creating a replacement vector
5074         reference.  Call duplicate_ssa_name_ptr_info to define points-to
5075         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
5076         (vectorizable_store): copy_virtual_operands and update
5077         definition statements.
5078         (vectorizable_load): copy_virtual_operands.  Remove call to
5079         mark_call_clobbered_vars_to_rename for call to "const" builtin.
5080         * tree-vectorizer.c (vectorize_loops): Remove calls to
5081         rewrite_into_ssa and bitmap_clear (vars_to_rename).
5082         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
5083         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
5084         define macro STMT_VINFO_PTR_INFO for use in accessing.
5085         * tree.h add export of duplicate_ssa_name_ptr_info.
5086         * rs6000.c (altivec_init_builtins): Declare builtin function
5087         __builtin_altivec_mask_for_load to be "const".
5088
5089 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
5090
5091         PR middle-end/20622
5092         * cgraph.h (struct cgraph_varpool_node): Add alias field.
5093         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
5094         assemble_variable on aliases.
5095         * varasm.c (assemble_alias): Set node->alias.
5096         * toplev.c (wrapup_global_declarations): Don't call
5097         rest_of_decl_compilation on aliases again.
5098
5099 2005-03-29  Paul Brook  <paul@codesourcery.com>
5100
5101         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
5102         * config/arm/arm.c (arm_dbx_register_number): New function.
5103         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
5104
5105 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
5106
5107         PR middle-end/20263
5108         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
5109         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
5110
5111 2005-03-29  Dale Johannesen <dalej@apple.com>
5112
5113         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
5114         $(TREE_H) and $(COVERAGE_H).
5115         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
5116         * opts.c (common_handle_option): Enable tree-based value transforms.
5117         * toplev.c (process_options): Ditto.
5118         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
5119         refers to references to this type.
5120         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
5121         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
5122         for may_be_more, may_be_less.
5123         (rtl_gen_pow2_profiler): Adjust.
5124         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
5125         (rtl_gen_one_value_profiler): Adjust.
5126         (rtl_gen_const_delta_profiler): Adjust.
5127         * tree-profile.c (tree_gen_interval_profiler): Implement.
5128         (tree_gen_pow2_profiler): Ditto.
5129         (tree_gen_one_value_profiler): Ditto.
5130         (tree_profiling): New.
5131         (pass_tree_profile): Reference it.
5132         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
5133         tree.h, gcov-io.h.
5134         (insn_divmod_values_to_profile): Rename to
5135         rtl_divmod_values_to_profile. Adjust.
5136         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
5137         (insn_prefetch_values_to_profile): Adjust.
5138         (rtl_value_profile_transformations): Adjust.
5139         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
5140         (gen_mod_pow2): Rename to rtl_mod_pow2.
5141         (gen_mod_subtract): Rename to rtl_mod_subtract.
5142         (divmod_fixed_value_transform): Rename to
5143         rtl_divmod_fixed_value_transform.
5144         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
5145         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
5146         (rtl_find_values_to_profile): Adjust.
5147         (tree_value_profile_transformations): Implement.
5148         (tree_divmod_values_to_profile): New.
5149         (tree_values_to_profile): New.
5150         (tree_divmod_fixed_value): New.
5151         (tree_mod_pow2): New.
5152         (tree_mod_subtract): New.
5153         (tree_divmod_fixed_value_transform): New.
5154         (tree_mod_pow2_value_transform): New.
5155         (tree_mod_subtract_transform): New.
5156         (tree_find_values_to_profile): Implement.
5157         * profile.c (instrument_values):  Free histograms.
5158         (compute_value_histograms): Adjust. Implement tree version.
5159
5160 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
5161
5162         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
5163         * config/i386/i386.c (output_fix_trunc): Add new round_mode
5164         variable.  Output "fldcw" depending on round_mode.
5165         * config/i386/i386.md (UNSPEC_FIST): New.
5166         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
5167         New isns patterns to implement lrint and llrint built-ins as x87
5168         intrinsic function.
5169         (fistdi2, fist<mode>2 splitters): New splitters.
5170         (lrint<mode>2): New expanders.
5171
5172 2005-03-28  Ian Lance Taylor  <ian@airs.com>
5173
5174         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
5175         0 when calling final_scan_insn.
5176
5177 2005-03-28  Jan Hubicka  <jh@suse.cz>
5178
5179         PR middle-end/20635
5180         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
5181         as needed.
5182
5183         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
5184         types where possible.
5185
5186 2005-03-26  Per Bothner  <per@bothner.com>
5187
5188         Make -f[no-]show-column also control non-cpp diagnostics.
5189         * c.opt (fshow-column): Move option from here ...
5190         * common.opt (fshow-column): ... to here.
5191         * diagnostic.c (diagnostic_build_prefix): Only print column number
5192         if flag_show_column.
5193
5194 2005-03-27  Steven Bosscher  <stevenb@suse.de>
5195
5196         * vax-protos.h (vax_output_int_move, vax_output_int_add,
5197         vax_output_conditional_branch): New prototypes.
5198         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
5199         extracted from vax.md mov and add patterns.
5200         (vax_output_conditional_branch): New function to output conditional
5201         branch instructions.
5202         * vax.md: Use mode macros for arithmetic and mov patterns.
5203         Use code macros for the jump patterns.
5204
5205 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5206
5207         * Makefile.in (libbackend.o): Depend on version files;
5208         add custom generation command.
5209
5210 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5211
5212         PR target/20636
5213         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
5214         sure that we have a REG before getting its REGNO.
5215
5216 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5217
5218         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
5219         * builtins.def (BUILT_IN_STRNDUP): New.
5220
5221 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
5222
5223         PR tree-optimization/20470
5224         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
5225         ABS(x-y).
5226
5227 2005-03-25  Mike Stump  <mrs@apple.com>
5228
5229         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
5230         sized objects.
5231
5232 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
5233
5234         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
5235         Use our own structure definitions.
5236
5237         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
5238         (fix_truncdfsi2): Allow registers or memory as destination.
5239         When TARGET_PPC_GFXOPT, generate simplified pattern.
5240         (fix_truncdfsi2_internal): Use define_insn_and_split.
5241         (fix_truncdfsi2_internal_gfxopt): New.
5242         (fctiwz): Don't confuse register allocation by giving it no choices.
5243         (stfiwx): New.
5244         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5245         (EXTRA_MEMORY_CONSTRAINT): Likewise.
5246         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5247         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5248
5249 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5250
5251         * dominance.c (free_dominance_info): Speed up by freeing et
5252         data structures without maintaining other nodes.
5253         * et-forest.c (et_free_tree_force): New.
5254         * et-forest.h: Add a prototype for et_free_tree_force.
5255
5256         * tree.c (get_set_constructor_bits,
5257         get_set_constructor_bytes): Remove.
5258         * tree.h: Remove the corresponding prototypes.
5259
5260 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5261
5262         PR target/15491
5263         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5264         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
5265         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
5266         PRE_DEC, NEG and NOT.
5267
5268 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5269
5270         * fold-const.c: Convert uses of fold (build (...)) to
5271         fold_buildN.
5272
5273 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
5274
5275         PR rtl-optimization/20249
5276         * cse.c (insert_regs): Do not record equivalence of registers in
5277         different modes.
5278
5279 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5280
5281         * emit-rtl.c (reverse_comparison): Remove.
5282         * rtl.h: Remove the corresponding prototype.
5283
5284 2005-03-24  James E Wilson  <wilson@specifixinc.com>
5285
5286         * doc/install.texi (--enable-altivec): Delete docs.
5287
5288 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
5289
5290         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5291         SFmode and DFmode before reload when
5292         flag_unsafe_math_optimizations not enabled.
5293
5294 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
5295
5296         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5297
5298         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5299         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5300
5301 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5302
5303         * configure.ac (enable-checking): Add 'runtime' option.
5304         * doc/install.texi (enable-checking): Document 'runtime' checking.
5305         * tsystem.h (gcc_assert, gcc_unreachable): Define.
5306         * config.in: Regenerated.
5307         * configure: Regenerated.
5308
5309 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
5310
5311         * optabs.h (enum optab_index): Remove OTI_llrint.
5312         (llrint_optab): Remove macro.
5313         * optabs.c (init_optabs): Remove llrint_optab initialization.
5314         * genopinit.c (optabs): Remove llrint_optab implementation.
5315         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5316         using lrint_optab.
5317
5318 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
5319
5320         PR rtl-optimization/20532
5321         * simplify-rtx.c (simplify_binary_operation_1): Protect from
5322         overflow when adding coefficients for PLUS or MINUS.
5323         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5324         two as multiplier.
5325
5326 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5327
5328         * langhooks.h (truthvalue_conversion): Remove.
5329         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5330         LANG_HOOKS_TRUTHVALUE_CONVERSION.
5331         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5332         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5333         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5334
5335 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5336
5337         * params.def: Fix a typo.
5338         * config/mips/mips.c: Follow the spelling convensions.
5339         * doc/invoke.texi: Fix typos.
5340
5341 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
5342
5343         Fix PR tree-optimization/20601
5344
5345         * tree-ssa-pre.c (insert_aux): Add missing condition to
5346         constification.
5347
5348 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5349
5350         * final.c (final_scan_insn): Don't remove no-op instructions.
5351         * reload1.c (reload): Remove simple no-op instructions even when
5352         not optimizing.
5353
5354 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
5355
5356         PR tree-optimization/20501
5357         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5358         reporting that peeling for alignment is applied moved to...
5359         * (vect_analyze_data_refs_alignment): Here.
5360
5361 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5362
5363         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5364
5365 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5366
5367         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5368         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5369
5370 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
5371
5372         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5373         imply that this is called once, independent of asms in code.
5374         Adjust to now being pased output and input lists.  Mention helper
5375         function decl_overlaps_hard_reg_set_p.
5376         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5377         hook_tree_tree_identity and to take three trees, returning third.
5378         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5379         prototype.
5380         * stmt.c: include hard-reg-set.h before tree.h.
5381         (decl_overlaps_hard_reg_set_p): New function, broken out from...
5382         (decl_conflicts_with_clobbers_p): Call
5383         decl_overlaps_hard_reg_set_p.
5384         (expand_asm_operands): Pass output and input lists in call to
5385         targetm.md_asm_clobbers.
5386         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5387         hook_tree_tree_tree_tree_3rd_identity.
5388         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5389         parameters.
5390         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5391         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5392         parameters, first two unused.
5393         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5394         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
5395         in constraint letters and MOF is not mentioned as a asm-declared
5396         register in neither of the input and output lists.
5397
5398 2005-03-23  DJ Delorie  <dj@redhat.com>
5399
5400         * optabs.c (expand_binop): Make sure the first subword's result
5401         gets stored.
5402
5403 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5404
5405         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5406         Call c_common_truthvalue_conversion rather than
5407         lang_hooks.truthvalue_conversion.
5408         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5409         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5410         c-typeck.c.
5411         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5412         c_common_truthvalue_conversion.
5413         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5414         c_parser_conditional_expression, c_parser_binary_expression): Call
5415         c_objc_common_truthvalue_conversion.
5416         * c-typeck.c (build_unary_op): Call
5417         c_objc_common_truthvalue_conversion.
5418         (build_conditional_expr): Do not call
5419         lang_hooks.truthvalue_conversion.
5420         (build_binary_op): Call c_common_truthvalue_conversion.
5421         (c_objc_common_truthvalue_conversion): Moved from
5422         c-objc-common.c.  Call default_function_array_conversion instead
5423         of default_conversion.
5424
5425 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5426
5427         * c-common.h (default_conversion): Remove.
5428         (perform_integral_promotions): Add.
5429         * c-tree.h (default_conversion): Add.
5430         * c-typeck.c (perform_integral_promotions): New, split out from
5431         default_conversion.
5432         * c-common.c (check_case_value): Use perform_integral_promotions,
5433         not default_conversion.
5434         (c_add_case_label): Don't continue processing case label after
5435         found to be pointer.
5436
5437 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
5438
5439         * gcc.c (do_spec_1): Do not add a -L path for a directory in
5440         the prefix list if we have already added a multilib directory
5441         based on that path.
5442         (main): Do not add MD_EXEC_PREFIX to the list of directories to
5443         search with -L.
5444
5445 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5446
5447         * reload1.c (indirect_symref_ok, reload_obstack): Make them
5448         static.
5449         * reload.h: Remove the prototype for indirect_symref_ok.
5450
5451         * reload1.c (indirect_symref_ok): Make it global.
5452         * reload.h: Add a prototype for indirect_symref_ok.
5453
5454 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5455
5456         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5457         ashlhi3 expander.
5458
5459 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5460
5461         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5462
5463 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
5464
5465         * c-opts.c (c_common_parse_file): Only start/end main source file
5466         if debug hooks says the writer wants it.
5467         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5468         member.
5469         (xcoff_debug_hooks): Ditto.
5470         * debug.c (do_nothing_hooks): Ditto.
5471         * debug.h (gcc_debug_hooks): Ditto.
5472         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5473         * sdbout.c (sdb_debug_hooks): Ditto.
5474         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5475
5476 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
5477
5478         * doc/extend.texi: Deprecate C++ min/max operators.
5479
5480 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
5481
5482         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5483         artificial original candidates.
5484
5485 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5486             Jan Hubicka  <jh@suse.cz>
5487             Steven Bosscher <stevenb@suse.de>
5488
5489         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5490         call cost based on argument sizes.
5491         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5492         inlining.
5493         * params.def: (max-inline-inssn-single): Set to 450.
5494         (max-inline-insns-auto): Set to 90.
5495         (max-inline-insns-recursive): Set to 450
5496         (max-inline-insns-recursive-auto): Set to 450.
5497         (large-function-insns): Set to 2700.
5498         (inline-call-cost): New parameter.
5499         * tree-inline.c (estimate_move_cost): New function.
5500         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5501         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
5502         based on arguments.
5503         * tree-inline.h (estimate_move_cost): Declare.
5504         * invoke.texi: (max-inline-inssn-single): Change default to 450.
5505         (max-inline-insns-auto): Change default to 90.
5506         (max-inline-insns-recursive): Change default to 450
5507         (max-inline-insns-recursive-auto): Change default to 450.
5508         (large-function-insns): Change default to 2700.
5509         (inline-call-cost): Document new parameter.
5510
5511 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5512
5513         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5514         (TARGET_DEFAULT): Delete.
5515         * config/i860/i860.opt: New file.
5516
5517 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5518
5519         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5520         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5521         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5522         (frv_sched_lookahead): Delete.
5523         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5524         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5525         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5526         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
5527         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5528         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5529         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5530         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5531         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5532         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5533         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5534         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5535         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5536         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5537         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5538         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5539         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5540         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5541         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5542         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5543         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5544         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5545         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5546         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5547         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5548         (frv_sched_lookahead): Delete.
5549         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5550         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5551         (frv_handle_option): New function.  Move -mcpu= handling from...
5552         (frv_override_options): ...here.  Remove handling of other
5553         TARGET_OPTIONS.
5554         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5555         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5556         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5557         and TARGET_NO_MULTI_CE.
5558         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5559         !TARGET_VLIW_BRANCH.
5560         * config/frv/frv.opt: New file.
5561
5562 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5563
5564         * fold-const.c (fold_ternary): Take decomposed arguments of
5565         CALL_EXPR.
5566         (fold): Update a call to fold_ternary.
5567
5568         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5569         * tree.h: Add corresponding prototypes.
5570
5571 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
5572
5573         PR target/20561
5574         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5575         between jump table and its label.
5576         * final.c (shorten_branches): Handle notes in between ADDR_VEC
5577         resp. ADDR_DIFF_VEC and the label preceeding it.
5578         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5579         is emitted in the right section.
5580
5581 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5582
5583         * fold-const.c (fold_unary, fold_binary): Update comments
5584         about arguments.
5585
5586 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
5587
5588         PR rtl-optimization/20527
5589         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5590         REG_INC note, test that the register also isn't mentioned in PRED
5591         or SUCC.
5592
5593 2005-03-22  Ben Elliston  <bje@au.ibm.com>
5594
5595         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5596         and definition.
5597
5598 2005-03-21  Mike Stump  <mrs@apple.com>
5599
5600         * varasm.c (default_assemble_visibility): Remove extra ().
5601
5602 2005-03-21  Roger Sayle  <roger@eyesopen.com>
5603
5604         PR middle-end/20557
5605         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5606         to determine whether a block can be duplicated, rather than test
5607         whether the block contains noncopyable insns ourselves.
5608
5609 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5610
5611         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5612         predicates.
5613
5614 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5615
5616         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5617
5618 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5619
5620         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5621         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5622         * config/fr30/fr30.opt: New file.
5623
5624 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
5625
5626         Fix PR tree-optimization/20542
5627
5628         * tree-flow-inline.h (overlap_subvar): Move to here.
5629         * tree-ssa-operands.c: From here.
5630         * tree-flow.h (overlap_subvar): Declare.
5631         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5632         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5633         for variables with subvars.
5634
5635 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5636
5637         PR middle-end/20177
5638         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5639         * modulo-sched.c (const_iteration_count): Return on NULL
5640         pre-header.
5641         (print_node_sched_params): Return on NULL dump_file.
5642         (generate_reg_moves): Handle reg-anti dependencies and disregard
5643         closing branch when generating register moves.
5644         (sms_schedule): Mark the SMSed block dirty.
5645         * passes.c (rest_of_handle_sms): Call update_life_info for all
5646         basic-blocks.
5647         * testsuite/gcc.dg/20050321-1.c: New test.
5648
5649 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5650
5651         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5652         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5653         movqi_internal): Likewise.
5654
5655 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5656
5657         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5658         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5659         xtensa_b4const): Delete prototypes.
5660         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5661         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5662         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5663         xtensa_extra_constraint): New prototypes.
5664         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5665         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5666         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5667         move_operand, const_float_1_operand, fpmem_offset_operand,
5668         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5669         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5670         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
5671         argument type to HOST_WIDE_INT.
5672         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5673         xtensa_mask_immediate): Likewise.
5674         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5675         Likewise.  Also make these functions static.
5676         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5677         (xtensa_const_ok_for_letter_p): New.
5678         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5679         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5680         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5681         move_operand, const_float_1_operand, fpmem_offset_operand,
5682         branch_operator, ubranch_operator, boolean_operator): Move to
5683         predicates.md.
5684         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5685         (xtensa_mem_offset): Change return type to bool.
5686         (xtensa_extra_constraint): New.
5687         (gen_int_relational): Update type of const_range_p function pointer.
5688         Use xtensa_b4const_or_zero.
5689         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5690         xtensa_const_ok_for_letter_p.  Update comments.
5691         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5692         (PREDICATE_CODES): Delete.
5693         * config/xtensa/xtensa.md: Include predicates.md.
5694         * config/xtensa/predicates.md: New file.
5695
5696 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5697
5698         * config/v850/v850-protos.h: Remove the prototypes for
5699         reg_or_int9_operand, reg_or_const_operand,
5700         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5701         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5702         movsi_source_operand, power_of_two_operand,
5703         not_power_of_two_operand, special_symbolref_operand,
5704         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5705         register_is_ok_for_epilogue.
5706         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5707         reg_or_int9_operand, reg_or_const_operand,
5708         call_address_operand, special_symbolref_operand,
5709         movsi_source_operand, power_of_two_operand,
5710         not_power_of_two_operand, register_is_ok_for_epilogue,
5711         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5712         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5713         predicates.md.
5714         * config/v850/v850.h (PREDICATE_CODES): Remove.
5715         * config/v850/v850.md: Include predicates.md.
5716         * config/v850/predicates.md: New.
5717
5718 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
5719
5720         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5721         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5722         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5723         (itoolsdir, itoolsdatadir): Move definition above new first use.
5724         (install-itoolsdirs): New rule.
5725         (install-mkheaders): Depend on install-itoolsdirs, not
5726         install-include-dir.
5727
5728 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5729
5730         * tree-into-ssa.c: Remove obsolete comments.
5731
5732 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
5733
5734         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5735         unrolling if -fpeel-loops is specified, too.
5736         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5737         Remove superfluous check for flag_unroll_loops.
5738
5739 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
5740
5741         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5742         (lrint_optab, llrint_optab): Define corresponding macros.
5743         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5744         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5745         pattern and llrint_optab using llrintdi2 patterns.
5746         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5747         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5748         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5749         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5750         flag_unsafe_math_optimizations is set.
5751
5752 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5753
5754         * combine.c (combine_simplify_rtx, simplify_if_then_else,
5755         simplify_logical, if_then_else_cond, known_cond,
5756         simplify_comparison): Adjust calls to reverse_comparison.
5757         Don't use combine_reversed_comparison_code).
5758         (combine_reversed_comparison_code): Remove.
5759         (reversed_comparison): Using reversed_comparison_code, move it...
5760         * jump.c (reversed_comparison): ... here.
5761         * rtl.h (reversed_comparison): Add prototype.
5762
5763 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5764
5765         * builtins.c (fold_builtin): Take decomposed arguments of
5766         CALL_EXPR.
5767         * fold-const.c (fold_ternary): Update a call to fold_builtin.
5768         * gimplify.c (gimplify_call_expr): Likewise.
5769         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5770         * tree.h: Update the prototype of fold_builtin.
5771
5772 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5773
5774         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5775         * rtlhooks.c (gen_lowpart_no_emit_general): New.
5776         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5777         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5778         * simplify-rtx.c (simplify_binary_operation_1): Use it.
5779
5780 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5781
5782         * builtins.c (fold_builtin_1): Take decomposed arguments of
5783         CALL_EXPR.
5784         (fold_builtin): Update a call to fold_builtin_1.
5785
5786 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
5787
5788         PR other/20564
5789         * gcov.c (output_lines): Only output function block summary when
5790         outputting branch information.
5791         * doc/gcov.texi: Document format of preamble and additional block
5792         information lines.
5793
5794 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5795
5796         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5797         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5798         the defaults false if BITS_PER_UNIT != 8.
5799         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5800         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5801         than BITS_PER_UNIT != 8.
5802         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5803         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5804         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5805         #undefs.
5806         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5807         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5808
5809 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5810
5811         PR middle-end/20539
5812         * fold-const.c (fold_binary): Fix type mismatch between
5813         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5814         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5815         for non-truth-valued expressions.
5816
5817         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5818         and FUNCTION_DECL in the main switch.
5819         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5820         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5821         we also need to convert their operands to match.
5822         <TRUTH_NOT_EXPR>: Likewise.
5823
5824 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
5825
5826         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5827         diagnostic without checking whether an lvalue.
5828         * c-common.h (lvalue_p): Remove.
5829         (enum lvalue_use): Update comment.
5830         (lvalue_or_else): Replace by lvalue_error.
5831         * c-typeck.c (lvalue_p): Make static.
5832         (lvalue_or_else): New.  Call lvalue_error.
5833
5834 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
5835
5836         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5837         (function_arg_advance): Use rs6000_parm_start.
5838         (function_arg, rs6000_arg_partial_bytes): Likewise.
5839
5840 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5841
5842         * c-common.c (check_case_value): Adjust comment about stripping
5843         NOPs.
5844         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5845         * c-typeck.c (default_conversion, convert_arguments,
5846         build_modify_expr, convert_for_assignment, store_init_value,
5847         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5848         manually.  Remove inaccurate comments.
5849
5850 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5851             Joseph S. Myers  <joseph@codesourcery.com>
5852
5853         * varasm.c (do_assemble_alias): Restore comment describing function.
5854         Annotate the target parameter as potentially unused.
5855
5856 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5857
5858         PR target/18551
5859         * config/avr/avr.c (avr_output_function_prologue): Do not use
5860         current_function_name() in a label, use a local label instead.
5861
5862 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
5863
5864         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5865         flag_finite_math_only, not flag_unsafe_math_optimizations.
5866
5867 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5868
5869         * builtins.c (fold_builtin_1): Update a call to
5870         targetm.fold_builtin.
5871         * hooks.c (hook_tree_tree_bool_null): Rename to
5872         hook_tree_tree_tree_bool_null.  Take one more argument of type
5873         tree.
5874         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5875         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5876         hook_tree_tree_tree_bool_null.
5877         * target.h (gcc_target): Update the prototype of fold_builtin.
5878         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
5879         arguments of CALL_EXPR.
5880         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
5881         new prototype.
5882
5883 2005-03-20  Jan Hubicka  <jh@suse.cz>
5884
5885         * cgraph.h (cgraph_node): Add prev_clone pointer.
5886         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
5887         (cgraph_clone_node): Produce doubly linked chain.
5888
5889 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5890
5891         * c-common.c (handle_aligned_attribute, check_function_sentinel,
5892         get_nonnull_operand, handle_sentinel_attribute,
5893         check_function_arguments_recurse): Do not strip NOPS from
5894         INTEGER_CSTs.
5895         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
5896         Likewise.
5897         * c-format.c (get_constant): Likewise.
5898         * c-parser.c (c_parser_postfix_expression): Likewise.
5899         * c-typeck.c (set_init_index): Likewise.
5900         (convert_arguments): Don't check for NOP_EXPR containing integer
5901         constant.
5902
5903 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5904
5905         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
5906         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
5907         Take decomposed arguments of CALL_EXPR.
5908         (fold_builtin_1): Update calls to the functions mentioned
5909         above.
5910
5911 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5912
5913         * c-decl.c (check_bitfield_type_and_width): Require bit-field
5914         width to have integer type.
5915         (build_enumerator): Require enumerator value to have integer type.
5916
5917 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5918
5919         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
5920         to __builtin_inff.
5921
5922 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5923
5924         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
5925         std=iso9899:199x): Correct descriptions.
5926
5927 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5928
5929         * config.gcc: Consistently use solaris2.1[0-9]* instead of
5930         solaris2.1[0-9].
5931
5932 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5933
5934         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
5935         of CALL_EXPR.
5936         (expand_builtin_memcpy, fold_builtin_1): Update calls to
5937         fold_builtin_memcpy.
5938
5939         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
5940         arguments of CALL_EXPR.
5941         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
5942         fold_builtin_found, fold_builtin_1): Update calls to
5943         fold_trunc_transparent_mathfn.
5944
5945 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5946
5947         PR middle-end/20493
5948         * fold-const.c (fold_widened_comparison): Don't optimize casts of
5949         function pointers on targets that require function pointer
5950         canonicalization.
5951         (fold_sign_changed_comparison): Likewise.
5952
5953 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
5954
5955         * combine.c (try_combine): When changing the mode of a hard reg, make
5956         sure that doing so is valid.
5957
5958 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
5959
5960         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
5961         (TARGET_HANDLE_OPTION): Override default.
5962         (avr_handle_option): New function.
5963         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
5964         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
5965         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
5966         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
5967         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
5968         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
5969         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
5970         (TARGET_OPTIONS): Delete.
5971         * config/avr/avr.opt: New file.
5972
5973 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5974
5975         * config/m32r/m32r-protos.h: Remove the prototypes for
5976         call_address_operand, symbolic_operand, seth_add3_operand,
5977         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5978         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5979         two_insn_const_operand, move_src_operand,
5980         move_double_src_operand, move_dest_operand,
5981         eqne_comparison_operator, signed_comparison_operator,
5982         large_insn_p, conditional_move_operand, carry_compare_operand,
5983         m32r_block_immediate_operand, extend_operand,
5984         reg_or_eq_int16_operand, int8_operand, and
5985         reg_or_zero_operand.
5986         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5987         seth_add3_operand, int8_operand, cmp_int16_operand,
5988         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5989         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5990         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5991         move_double_src_operand, move_dest_operand,
5992         eqne_comparison_operator, signed_comparison_operator,
5993         extend_operand, small_insn_p, large_insn_p,
5994         conditional_move_operand, carry_compare_operand,
5995         m32r_block_immediate_operand): Move to predicates.md.
5996         (MAX_MOVE_BYTES): Move to m32r.h.
5997         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5998         * config/m32r/m32r.md: Include predicates.md.
5999         * config/m32r/predicates.md: New.
6000
6001 2005-03-18  James E Wilson  <wilson@specifixinc.com>
6002
6003         PR c++/19769
6004         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
6005         origin.
6006
6007 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6008
6009         * config/mn10300/mn10300-protos.h: Remove the prototypes for
6010         call_address_operand, const_8bit_operand.
6011         * config/mn10300/mn10300.c (call_address_operand,
6012         const_8bit_operand, const_1f_operand): Move to predicates.md.
6013         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
6014         * config/mn10300/mn10300.md: Include predicates.md.
6015         * config/mn10300/predicates.md: New.
6016
6017 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
6018
6019         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
6020         declarations in diagnostics and %E for identifiers, not %s.
6021
6022 2005-03-18  Jan Hubicka  <jh@suse.cz>
6023             Dale Johannesen  <dalej@apple.com>
6024
6025         * basic-block.h (scale_bbs_frequencies_int,
6026         scale_bbs_frequencies_gcov_type): Declare.
6027         * cfg.c (RDIV): New macro.
6028         (update_bb_frequency_for_threading): Fix.
6029         * basic-block.h (scale_bbs_frequencies_int,
6030         scale_bbs_frequencies_gcov_type): New.
6031         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
6032         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
6033         scale_bbs_frequencies_int.
6034         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
6035
6036 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6037
6038         * config/m32r/m32r-protos.h: Remove the prototypes for
6039         call_address_operand, symbolic_operand, seth_add3_operand,
6040         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6041         reg_or_uint16_operand, reg_or_cmp_int16_operand,
6042         two_insn_const_operand, move_src_operand,
6043         move_double_src_operand, move_dest_operand,
6044         eqne_comparison_operator, signed_comparison_operator,
6045         large_insn_p, conditional_move_operand, carry_compare_operand,
6046         m32r_block_immediate_operand, extend_operand,
6047         reg_or_eq_int16_operand, int8_operand, and
6048         reg_or_zero_operand.
6049         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6050         seth_add3_operand, int8_operand, cmp_int16_operand,
6051         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6052         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6053         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6054         move_double_src_operand, move_dest_operand,
6055         eqne_comparison_operator, signed_comparison_operator,
6056         extend_operand, small_insn_p, large_insn_p,
6057         conditional_move_operand, carry_compare_operand,
6058         m32r_block_immediate_operand): Move to predicates.md.
6059         (MAX_MOVE_BYTES): Move to m32r.h.
6060         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6061         * config/m32r/m32r.md: Include predicates.md.
6062         * config/m32r/predicates.md: New.
6063
6064         * config/pa/pa-protos.h: Add prototypes for magic_milli and
6065         shadd_constant_p.
6066         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
6067         symbolic_operand, symbolic_memory_operand,
6068         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
6069         indexed_memory_operand, move_dest_operand, move_src_operand,
6070         prefetch_cc_operand, prefetch_nocc_operand,
6071         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
6072         arith_operand, arith11_operand, pre_cint_operand,
6073         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
6074         ireg_operand, int5_operand, uint5_operand, int11_operand,
6075         uint32_operand, arith5_operand, and_operand, ior_operand,
6076         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
6077         pc_or_label_operand, div_operand, plus_xor_ior_operator,
6078         shadd_operand, movb_comparison_operator,
6079         cmpib_comparison_operator): Move to predicates.md.
6080         (magic_milli, shadd_constant_p): Make it extern.
6081         * config/pa/pa.h (PREDICATE_CODES): Remove.
6082         * config/pa/pa.md: Include predicates.md.
6083         * config/pa/predicates.md: New.
6084
6085         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
6086         predicate.
6087
6088 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6089
6090         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
6091         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
6092         config/alpha/freebsd.h, config/alpha/linux.h,
6093         config/alpha/netbsd.h, config/alpha/osf5.h,
6094         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
6095         config/h8300/h8300-protos.h, config/h8300/h8300.c,
6096         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
6097         doc/cppopts.texi: Update copyright.
6098
6099 2005-03-18  Jan Hubicka  <jh@suse.cz>
6100
6101         PR middle-end/20225
6102         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
6103         too late.
6104         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
6105         called too late.
6106
6107 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6108
6109         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
6110         VEC_safe_push.
6111
6112 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
6113
6114         * combine.c (gen_binary): Remove.
6115         (known_cond, simplify_shift_const, find_split_point,
6116         combine_simplify_rtx, simplify_if_then_else, simplify_set,
6117         simplify_logical, expand_field_assignment, extract_left_shift,
6118         force_to_mode, if_then_else_cond, apply_distributive_law,
6119         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
6120         simplify_comparison, reversed_comparison): Replace with
6121         simplify_gen_binary, simplify_gen_relational or
6122         distribute_and_simplify_rtx.
6123         (distribute_and_simplify_rtx): New function.
6124
6125 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
6126             Paolo Bonzini  <gcc.gnu.org>
6127
6128         * calls.c (setjmp_call_p, special_function_p): Update comments
6129         at the head of the functions.
6130
6131 2005-03-18  Jan Hubicka  <jh@suse.cz>
6132
6133         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
6134
6135         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
6136         function body should be released; do not proactively release function
6137         bodies in non-unit-at-a-time mode.
6138
6139 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
6140
6141         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
6142         mno-fp-ret-in-387 multilib variants.
6143
6144 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
6145
6146         * common.opt (m): Remove.
6147         * opts.c (handle_option): Pass 'm' options to set_target_switch if
6148         table lookup fails.
6149         (common_handle_option): Remove OPT_m case.
6150
6151 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6152
6153         * builtins.c (fold_builtin_bitop): Take decomposed arguments
6154         of CALL_EXPR.
6155         (fold_builtin_1): Update a call to fold_builtin_bitop.
6156
6157         * builtins.c (fold_builtin_signbit): Take decomposed arguments
6158         of CALL_EXPR.
6159         (fold_builtin_1): Update a call to fold_builtin_signbit.
6160
6161 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
6162
6163         PR tree-optimization/20474
6164         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
6165         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
6166
6167 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6168
6169         * config/h8300/h8300-protos.h: Remove prototypes for
6170         general_operand_src, general_operand_dst, single_one_operand,
6171         single_zero_operand, call_insn_operand,
6172         two_insn_adds_subs_operand, small_call_insn_operand,
6173         jump_address_operand, bit_operand, bit_memory_operand,
6174         stack_pointer_operand, const_int_gt_2_operand,
6175         const_int_ge_8_operand, const_int_qi_operand,
6176         const_int_hi_operand, incdec_operand, bit_operator,
6177         nshift_operator, eqne_operator, gtle_operator,
6178         gtuleu_operator, iorxor_operator.
6179         Add prototypes for h8sx_shift_type h8sx_classify_shift and
6180         h8300_ldm_stm_parallel.
6181         * config/h8300/h8300.c (h8sx_shift_type,): Move to
6182         h8300-protos.h.
6183         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
6184         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
6185         (h8300_ldm_stm_parallel): Make it extern.
6186         (h8300_ldm_parallel, h8300_stm_parallel,
6187         h8300_return_parallel, general_operand_src,
6188         general_operand_dst, h8300_dst_operand, h8300_src_operand,
6189         nibble_operand, reg_or_nibble_operand, single_one_operand,
6190         single_zero_operand, call_insn_operand,
6191         two_insn_adds_subs_operand, small_call_insn_operand,
6192         jump_address_operand, bit_operand, bit_memory_operand,
6193         stack_pointer_operand, const_int_gt_2_operand,
6194         const_int_ge_8_operand, const_int_qi_operand,
6195         const_int_hi_operand, incdec_operand, eqne_operator,
6196         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
6197         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
6198         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
6199         nshift_operator): Move to predicates.md.
6200         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
6201         * config/h8300/h8300.md: Include predicates.md.
6202         * config/h8300/predicates.md: New.
6203
6204 2005-03-17  Richard Henderson  <rth@redhat.com>
6205
6206         * config.gcc (ia64*-*-hpux*): Add extra_options.
6207         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
6208         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6209         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
6210         (ia64_tls_size_string, ia64_tune_string): Remove.
6211         (ia64_tune): Init to PROCESSOR_ITANIUM2.
6212         (TARGET_DEFAULT_TARGET_FLAGS): New.
6213         (TARGET_HANDLE_OPTION): New.
6214         (ia64_override_options): Move options parsing ...
6215         (ia64_handle_option): ... here.  New.
6216         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
6217         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
6218         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
6219         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
6220         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
6221         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
6222         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
6223         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
6224         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
6225         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
6226         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
6227         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
6228         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
6229         TARGET_EARLY_STOP_BITS): Remove.
6230         (TARGET_ILP32): Default false.
6231         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
6232         (enum ia64_inline_type): New.
6233         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6234         * config/ia64/ia64.md: Update for new definitions of
6235         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
6236         * config/ia64/ia64.opt: New file.
6237         * config/ia64/ilp32.opt: New file.
6238
6239 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6240
6241         PR target/18380
6242         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6243
6244 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6245
6246         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6247         instead of MASK_H8300S.
6248         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6249         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6250         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6251         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6252         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6253         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6254         TARGET_SWITCHES): Remove.
6255         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6256         TARGET_H8300SX.
6257         * config/h8300/h8300.opt: New.
6258
6259         * config/alpha/alpha.opt, config/arc/arc.opt,
6260         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6261         notices.
6262
6263 2005-03-17  Ian Lance Taylor  <ian@airs.com>
6264
6265         * gmon.c: Remove.
6266
6267 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
6268
6269         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
6270         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6271         (TARGET_HANDLE_OPTION): Override default.
6272         (arc_handle_option): New function.
6273         (arc_init): Remove code to set arch_cpu_string.
6274         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6275         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6276         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6277         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6278         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6279         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6280         (arc_rodata_string, TARGET_OPTIONS): Delete.
6281         * config/arc/arc.opt: New file.
6282
6283 2005-03-17  Richard Henderson  <rth@redhat.com>
6284
6285         * doc/extend.texi (Weak Pragmas): New section.
6286         (attribute alias): Clarify that target must be in the same
6287         translation unit.
6288
6289 2005-03-17  Richard Henderson  <rth@redhat.com>
6290
6291         * config/alpha/alpha.opt: New file.
6292         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
6293         of alpha_cpu.
6294         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6295         alpha_fprm_string, alpha_fptm_string): Make static.
6296         (alpha_tls_size_string): Remove.
6297         (alpha_handle_option): New.
6298         (override_options): Update for alpha_cpu/alpha_tune split.
6299         (alpha_file_start): Likewise.
6300         (TARGET_DEFAULT_TARGET_FLAGS): New.
6301         (TARGET_HANDLE_OPTION): New.
6302         * config/alpha/alpha.h (alpha_tune): Declare.
6303         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6304         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6305         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6306         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6307         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6308         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6309         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6310         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6311         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6312         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6313         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6314         (TARGET_DEFAULT): Remove MASK_FP.
6315         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6316         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6317         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6318         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6319         alpha_tls_size_string): Remove.
6320         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6321         (attribute tune): Rename from attribute cpu.
6322         * config/alpha/ev4.md: Update to match.
6323         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6324         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6325         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6326         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6327         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6328         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6329
6330 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
6331
6332         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6333         and return without creating new state if before_nops_num is nonzero.
6334         * config/ia64/ia64.md (first_insn): New attribute.
6335         (alloc): Set it to yes.
6336
6337 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6338
6339         * tree-vectorizer.c (new_vec_stmt_info): Initialize
6340         STMT_VINFO_SUBVARS to NULL.
6341         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6342
6343 2005-03-16 Dale Johannesen  <dalej@apple.com>
6344
6345         * rtlanal.c (find_first_parameter_load):  Rewrite to
6346         return actual first param load or the call if none,
6347         instead of first in block, when not all loads exist.
6348
6349 2005-03-16  Roger Sayle  <roger@eyesopen.com>
6350
6351         * optabs.c (expand_copysign_absneg): Make static.
6352         * optabs.h (expand_copysign_absneg): Delete prototype.
6353         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6354
6355 2005-03-16  Richard Henderson  <rth@redhat.com>
6356
6357         PR middle-end/15700
6358         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6359         (alias_pairs): Rename from output_defs.
6360         (find_decl_and_mark_needed): Split out from assemble_alias.
6361         (do_assemble_alias): New.
6362         (assemble_output_def): Remove.
6363         (finish_aliases_1, finish_aliases_2): New.
6364         (process_pending_assemble_output_defs): Remove.
6365         (assemble_alias): Defer aliases for which we don't yet have a
6366         non-external decl for the target symbol.
6367         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6368         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6369         * toplev.c (compile_file): Use finish_aliases_2 instead of
6370         process_pending_assemble_output_defs.
6371         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6372         (process_pending_assemble_output_defs): Remove.
6373
6374 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6375
6376         Fix PR tree-optimization/20489
6377
6378         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6379         for empty structures.
6380
6381 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6382
6383         Fix PR tree-optimization/20490
6384
6385         * tree-ssa-pre.c (create_expression_by_pieces): Use
6386         force_gimple_operand on result of fold.
6387
6388 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
6389
6390         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6391         of closing parenthesis.
6392
6393 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6394
6395         * builtins.c (expand_movstr): Update a call to
6396         fold_builtin_strcpy.
6397         (expand_builtin_strncpy): Update a call to
6398         fold_builtin_strncpy.
6399         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6400         arguments of CALL_EXPR.
6401         (fold_builtin_1): Update calls to fold_builtin_strcpy and
6402         fold_builtin_strncpy.
6403         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6404         * tree.h: Update the prototypes of fold_builtin_strcpy and
6405         fold_builtin_strncpy.
6406
6407 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6408             Dorit Naishlos  <dorit@il.ibm.com>
6409
6410         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6411         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6412         error.
6413
6414 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6415
6416         * tree-inline.c (walk_type_fields, walk_tree,
6417         walk_tree_without_duplicates): Move from here...
6418         * tree.c: ...to here.
6419
6420 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
6421
6422         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6423         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6424         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6425         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6426         (version): Define using $(BASEVER_c).
6427         (Makefile, config.status, build/gcov-iov.o): No longer depends on
6428         version.c.
6429         (version.o): Depend on version files; add custom generation command.
6430         (prefix.o): Define BASEVER on command line.
6431         (s-iov): Depend on version files; adjust command.
6432         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6433         Add gcc-vers.texi.
6434         (gcc-vers.texi): New rule.
6435         (doc/%.info, doc/%.dvi): Add -I . to command line.
6436         (doc/gccinstall.dvi): Likewise.
6437         (PACKAGE): Delete.  All uses replaced with "gcc".
6438         * aclocal.m4: Do not include gcc-version.m4.
6439         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6440         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6441         Set is_release based on contents of DEV-PHASE.
6442         Set gcc_version based on contents of BASE-VER.
6443         Define WIN32_REGISTRY_KEY only if the user overrode the default.
6444         * config.in, configure: Regenerate.
6445         * gccbug.in: Determine version of GCC in use at runtime.
6446         * gcov-iov.c: Get version number and development phase from
6447         command line, not by including version.c.
6448         * intl.c: Replace all uses of PACKAGE with "gcc".
6449         * libada-mk.in: Delete unused "gcc_version" variable.
6450         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6451         * version.c: (VERSUFFIX): New hook for redistributors; adjust
6452         commentary to match.
6453         (version_string): Put together from pieces.
6454         * config/alpha/x-vms: Do not use $(gcc_version).
6455         * config/i386/t-nwld: Likewise.
6456         * doc/include/gcc-common.texi: Include gcc-vers.texi for
6457         version-GCC and DEVELOPMENT.
6458
6459 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6460
6461         PR tree-optimization/17454
6462         * tree.c (tree_size): Add case for TREE_BINFO.
6463         * fold-const.c (fold_checksum_tree): Only clear the overloaded
6464         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6465
6466 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6467
6468         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6469         op1 whilst expanding the signed widenening multiply variant.
6470
6471 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
6472
6473         * toplev.c (display_target_options): Avoid unused variable warning if
6474         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6475         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6476         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6477         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6478         (mips_isa_info): New variable.
6479         (mips_parse_cpu): Remove the first argument and leave the caller
6480         to report errors.
6481         (TARGET_HANDLE_OPTION): Override default.
6482         (mips_handle_option): New function.  Move option validation code from...
6483         (override_options): ...here.  Update calls to mips_parse_cpu.
6484         * config/mips/mips.h (mips_arch_string, mips_tune_string)
6485         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6486         (SUBTARGET_TARGET_OPTIONS): Delete.
6487         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6488         (mno-flush-func, mtune=): New options.
6489
6490 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6491             Richard Henderson  <rth@redhat.com>
6492
6493         * real.c (c4x_single_format, c4x_extended_format): Provide values
6494         for signbit_ro for c4x's single and extended floating point formats.
6495         * optabs.c (expand_copysign): Use the floating point format's
6496         signbit_ro for expanding via expand_copysign_absneg, and it's
6497         signbit_rw field for expanding via expand_copysign_bit.
6498
6499 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
6500
6501         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6502         known_alignment_for_access_p.
6503         (known_alignment_for_access_p): New.
6504         (do_peeling_for_alignment): Field made int instead of bool and renamed
6505         to peeling_for_alignment.
6506         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6507         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6508         functionality used to be in vect_analyze_operations.
6509         (vect_analyze_operations): Code to determine vectorization factor was
6510         moved to vect_determine_vectorization_factor.
6511         (vect_enhance_data_refs_alignment): Update to correct alignment when it
6512         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6513         factor.
6514         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6515         be part of vect_analyze_operations).
6516         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6517         creating the guard condition, as the number of iterations may be
6518         constant.
6519         (slpeel_tree_peel_loop_to_edge): Use new name of
6520         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6521         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6522         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6523         (vect_do_peeling_for_alignment): Use fold.
6524         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6525
6526         (vect_update_inits_of_dr): Renamed to
6527         vect_update_init_of_dr.
6528         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6529         (vectorizable_store): Fix assertion to use == instead of =.
6530
6531 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
6532
6533         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6534         call_used_regs for wCG registers.
6535
6536 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
6537
6538         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6539         for non-offsettable memory references to cope with outstanding reload
6540         replacements, take 2.
6541
6542 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
6543
6544         PR target/18668
6545         * config/i386/i386.h (x86_fisttp): New.
6546         (TARGET_FISTTP): New macro.
6547         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6548         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
6549         instruction when fisttp flag is set.
6550         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6551
6552         * config/i386/i386.md (type attribute): Add fisttp.
6553         (unit attribute): Set to i387 for fisttp type.
6554         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6555         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6556         TARGET_FISTTP.
6557         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6558         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6559         macros.
6560         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6561         patterns for TARGET_FISTTP.  Enable patterns for
6562         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6563         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6564         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6565         implement fisttp x87 insn.
6566         (fix_trunc*_i387_fisttp splitters): New patterns.
6567         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6568         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
6569         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
6570         clobber.
6571         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6572         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6573         Implement using mode macros. Disable patterns for TARGET_FISTTP.
6574         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6575         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6576         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6577         Disable patterns for TARGET_FISTTP.
6578         (fix_trunc*_i387 splitters): Implement usign mode macros.
6579         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6580         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6581         (fix_trunx*_sse peephole2s): Implement using mode macros.
6582
6583 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
6584
6585         PR rtl-optimization/20291
6586         * combine.c (try_combine): If splitting fails, re-try with
6587         original combined pattern, i.e. before clobber stripping.
6588
6589 2005-03-14  Eric Christopher  <echristo@redhat.com>
6590
6591         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6592         STACK_GROWS_DOWNWARD.
6593
6594 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6595
6596         * real.h (struct real_format): Split the signbit field into two
6597         two fields, signbit_ro and signbit_rw.
6598         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6599         mips_double_format, ieee_extended_motorola_format,
6600         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6601         ieee_extended_intel_128_format, ibm_extended_format,
6602         mips_extended_format, ieee_quad_format, mips_quad_format,
6603         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6604         i370_double_format, c4x_single_format, c4x_extended_format,
6605         real_internal_format): Update initializers for new field.
6606         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6607         real_format structure.
6608         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6609         field of the real_format structure.
6610
6611 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
6612
6613         Fix PR tree-optimization/20458
6614
6615         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6616         DECL_EXTERNAL on STRUCT_FIELD tags.
6617         (clear_call_clobbered): Ditto.
6618         * tree-ssa-operands.c (note_addressable): Make sure the original
6619         variable doesn't slip into the addressable list if we have
6620         subvars.
6621         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6622         tags too.
6623
6624 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
6625
6626         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6627         (-fwide-exec-charset): Likewise.
6628         (-finput-charset): Likewise.
6629         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6630         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6631         * c.opt (Wnormalized): New.
6632
6633 2005-03-14  Devang Patel  <dpatel@apple.com>
6634
6635         * doc/invoke.texi: Add reference to Visibility document.
6636
6637 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6638
6639         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6640         MASK_SPLIT_ADDRESSES.
6641         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6642         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6643         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6644         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6645         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6646         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6647         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6648         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6649         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6650         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6651         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6652         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6653         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6654         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6655         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6656         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6657         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6658         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6659         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6660         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6661         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6662         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6663         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6664         (TARGET_EXPLICIT_RELOCS): Delete.
6665         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6666         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6667         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6668         (override_options): Set MASK_LONG64 if -mint64 is given and no
6669         -mlongXX option is.  Complain about -mint64 -mlong32.
6670         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6671         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6672         * config/mips/mips.opt: New file.
6673
6674 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6675
6676         * config.gcc (extra_options): New variable for listing option files.
6677         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6678         * configure.ac (extra_opt_files): New AC_SUBST variable.
6679         (tm_file_list, tm_include_list): Include options.h first.
6680         * configure: Regenerate.
6681         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6682         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6683         (s-options-h): New rule.
6684         (options.h): Depend on it.
6685         (TEXI_GCCINT_FILES): Add options.texi.
6686         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6687         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6688         * target.h (gcc_target): Add default_target_flags and handle_option.
6689         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6690         (TARGET_HANDLE_OPTION): New macros.
6691         (TARGET_INITIALIZER): Include them.
6692         * opt-functions.awk (opt_args, nth_arg): New functions.
6693         (switch_flags): Handle the "Target" flag.
6694         (var_args): Delete.
6695         (var_name): Use opt_args and nth_arg.
6696         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
6697         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
6698         macros for the "Mask" and "InverseMask" options.
6699         * opts.h (cl_var_cond): New enum.
6700         (cl_option): Replace the "has_set_value" and "set_value" fields with
6701         "var_cond" and "var_value".
6702         (CL_TARGET): New macro.
6703         (option_enabled, print_filtered_help): Declare.
6704         (decode_options): Move definition.
6705         * opts.c (handle_option): Search for the original option before
6706         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
6707         var_cond and var_value fields.  Use targetm.handle_option to handle
6708         target options.
6709         (decode_options): Set target_flags to targetm.default_target_flags.
6710         (print_filtered_help): Make global.  Handle CL_TARGET.
6711         (option_enabled): New function.
6712         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6713         (display_target_options, set_target_switch, print_switch_values)
6714         (default_pch_valid_p): Guard uses of target_switches with
6715         #ifdef TARGET_SWITCHES.  Also...
6716         (display_target_options): Display the CL_TARGET entries in cl_options.
6717         (set_target_option): Don't complain about the "" option when
6718         TARGET_SWITCHES is undefined.
6719         (print_switch_values): Use option_enabled.
6720         (default_pch_valid_p): Check cl_options[] when looking for something
6721         that has changed the value of target_flags.
6722         * c.opt: Remove documentation from top of file.
6723         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
6724         * doc/sourecebuild.texi: Refer to the new options documentation
6725         instead of c.opt.  Document machine-specific .opt files.
6726         * doc/tm.texi (target_flags): Say that this variable is declared
6727         by options.h.
6728         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6729         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6730         an alternative.
6731         * doc/options.texi: New file.
6732
6733 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6734
6735         PR middle-end/18628
6736         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6737         register.
6738
6739 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6740
6741         PR c++/20280
6742         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
6743         temporary variable of pointer type if an lvalues is required.
6744         (gimplify_modify_expr_rhs): Request an rvalue from it.
6745         (gimplify_expr): Pass fallback on.
6746
6747 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6748
6749         * cfgbuild.c: Update comments.
6750
6751 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6752
6753         PR rtl-optimization/17236
6754         * optabs.c (expand_doubleword_mult): New helper function split out
6755         from expand_binop.  Permute the order in which instructions are
6756         emitted to minimize the number of simultaneously live registers.
6757         (expand_binop): Call expand_doubleword_mult to synthesize a double
6758         word multiplication.
6759
6760 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6761
6762         * basic-block.h: Update the prototypes of cached_make_edge and
6763         rtl_make_eh_edge.
6764         * cfg.c (cached_make_edge): Take edge_cache representing one
6765         row of the adjacency matrix of edges.
6766         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6767         (make_edges): Initialize edge_cache to represent one row of
6768         the adjacency matrix of edges.
6769
6770 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6771
6772         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6773         New functions.
6774         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6775         Remove unused removed_phis variable.
6776         (conditional_replacement): Use build1/build2.
6777         (abs_replacement): Use last_and_only_stmt and build1/build2.
6778
6779 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6780
6781         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6782         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6783         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6784         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6785         * c-common.c (handle_novops_attribute): New function.
6786         (c_common_attribute_table): Add "no vops" entry.
6787         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6788         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6789         * tree-ssa-operands.c (get_call_expr_operands): Do not
6790         create virtual operands for calls with ECF_NOVOPS flag.
6791         * tree.h (DECL_IS_NOVOPS): New macro.
6792         (struct tree_decl): Add novops_flag.
6793         (ECF_NOVOPS): New constant.
6794
6795 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
6796
6797         PR target/17688
6798         * config/i386/i386.c (x86_use_himode_fiop): New.
6799         (x86_use_simode_fiop): Rename from x86_use_fiop.
6800         * config/i386/i386.h (x86_use_himode_fiop): Declare.
6801         (TARGET_USE_HIMODE_FIOP): New.
6802         (x86_use_simode_fiop): Rename from x86_use_fiop.
6803         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6804
6805         * config/i386/i386.md (X87MODEI12): New mode macro define.
6806         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
6807         to implement x87 FP compare with HImode input operands.
6808         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6809         Use X87MODEI12 mode macro to handle HImode input operands.
6810         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6811         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6812         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6813         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6814         macro to implement x87 operators with HImode input operands.
6815         (fop splitters): Use X87MODEI12 mode macro to handle HImode
6816         input operands.
6817
6818 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6819
6820         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6821         integer_zerop.
6822         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6823         constants invariant.
6824
6825 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6826
6827         * basic-block.h (BB_VISITED): Removed.
6828         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6829
6830 2005-03-14  Falk Hueffner  <falk@debian.org>
6831
6832         PR bootstrap/20424
6833         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6834
6835 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6836
6837         * ggc-zone.c: Fix comment typos.
6838
6839         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6840         stringpool.c, config/mips/mips-protos.h: Update copyright.
6841
6842 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6843
6844         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6845         throughout with its typedef, "rtx".
6846         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
6847         (rs6000_tls_symbol_ref_1): Remove inline keyword.
6848         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
6849         regs in comment to match code.
6850
6851 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6852
6853         * except.c (check_handled): Make it static.
6854         * except.h: Remove the corresponding prototype.
6855
6856         * function.c (get_func_frame_size): Make it static.
6857         * function.h: Remove the corresponding type.
6858
6859         * regclass.c (reg_class_superclasses, reg_class_subclasses):
6860         Make them static.
6861         * hard-reg-set.h: Remove the corresponding declarations.
6862
6863         * tree-cfg.c (verify_stmts): Check that
6864         bb_for_stmt (stmt) == bb for every PHI node and statement.
6865
6866 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6867
6868         * config.gcc: Remove excess indentation.
6869         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6870
6871 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6872
6873         PR middle-end/19331
6874         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6875         * fold-const.c (fold_sign_changed_comparison): Likewise.
6876         (fold_binary): Optimize comparisons against widened operands if
6877         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6878
6879 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6880
6881         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
6882         (sparc_override_options): Initialize it.
6883         (sparc_struct_value_rtx): Set it on the MEM to be returned.
6884
6885 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
6886
6887         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
6888         (reg_or_none500mem_operand): New predicate.
6889         (zero_reg_mem_operand): New predicate.
6890         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
6891         to reg_or_none500mem_operand.
6892         (extendsfdf2_fpr): Add MEM alternative.
6893         (extenddftf2_internal): Change operand2 predicate to
6894         zero_reg_mem_operand.
6895
6896 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6897
6898         * ggc-zone.c: Rewritten.
6899
6900         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
6901         if there are none.
6902         * configure.ac: Define GGC_ZONE for --with-gc=zone.
6903         * config.in: Regenerated.
6904         * configure: Regenerated.
6905         * gengtype.c (write_types_process_field, write_func_for_structure):
6906         Pass new argument to gt_pch_note_object.
6907         * ggc-common.c (struct ptr_data): Add TYPE.
6908         (gt_pch_note_object): Take TYPE argument and save it.
6909         (call_count): Update call to ggc_pch_count_object.
6910         (call_alloc): Update call to ggc_pch_alloc_object.
6911         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
6912         file.
6913         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
6914         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
6915         (ggc_alloc_zone_stat): Delete.
6916         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
6917         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
6918         (ggc_pch_alloc_object): Update prototypes.
6919         (garbage_zone): Delete.
6920         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
6921         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
6922         pointers.
6923         (tree_id_zone): New variable.
6924         (ggc_alloc_cleared_zone): Remove unused.
6925         (ggc_alloc_zone): Define.
6926         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
6927         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
6928         ggc_alloc_zone_stat.
6929         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
6930         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
6931         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
6932         (make_node_stat): Likewise.  Use tree_id_zone.
6933
6934 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6935             Joseph S. Myers  <joseph@codesourcery.com>
6936
6937         * configure.ac: Check for MIPS TLS.
6938         * configure: Regenerated.
6939         * config/mips/mips-protos.h (enum mips_symbol_type): Add
6940         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
6941         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
6942         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
6943         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
6944         (mips_classify_symbol, mips_symbolic_constant_p)
6945         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
6946         (mips_tls_operand_p, mips_call_tls_get_addr)
6947         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
6948         (mips_tls_symbol_ref_1): New functions.
6949         (mips_legitimize_address, mips_legitimize_const_move): Call
6950         mips_legitimize_tls_address.
6951         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
6952         for MIPS16.
6953         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
6954         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
6955         (mips_char_to_class): Document V1_REG.
6956         (HAVE_AS_TLS): Provide default.
6957         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
6958         constants.
6959         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
6960         !TARGET_ABICALLS.
6961         (tls_get_tp_<mode>): New instruction.
6962
6963 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6964
6965         * configure.ac: Update checks for target tools.
6966         * configure: Regenerated.
6967
6968 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6969
6970         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
6971
6972 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6973
6974         * expmed.c (expand_mult): Use synthetic multiplication sequences for
6975         more classes of DImode multiplication by constant.  Allow both
6976         multiplication by small negative constants (by performing a
6977         multiplication by a positive constant and negating the result) and
6978         multiplications by large powers of two, by using a left shift.
6979
6980 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6981
6982         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
6983         of basic blocks into work_stack.
6984
6985         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
6986         config/mips/vr.h: Update copyright.
6987
6988         * c-decl.c (c_init_decl_processing): Remove useless calls to
6989         build_function_type.
6990
6991         * builtins.c (fold_trunc_transparent_mathfn,
6992         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
6993         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6994         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
6995         fold_builtin_strcpy, fold_builtin_strncpy,
6996         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
6997         TREE_TYPE (exp).
6998
6999         * builtins.c (expand_builtin_mathfn_3): Remove local variable
7000         before_call.
7001
7002         * lambda-code.c (lambda_compute_auxillary_space): Remove local
7003         variable determinant.
7004
7005         * tree-cfg.c (group_case_labels): Remove local variable type.
7006
7007         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
7008         variable ann.
7009
7010         * tree-ssa-phiopt.c (value_replacement): Remove local variable
7011         result.
7012
7013 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7014
7015         PR target/18251
7016         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
7017         (*movmemqi_insn): Delete.
7018         (*movmemhi): Delete.
7019
7020 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
7021
7022         * builtins.c (fold_builtin_classify): Take decomposed
7023         arguments of CALL_EXPR.
7024         (fold_builtin_1): Update a call to fold_builtin_classify.
7025
7026 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
7027
7028         PR c/20402
7029         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
7030         through into call to parser_xref_tag after parse error.
7031         (c_parser_struct_declaration): Consistently return NULL_TREE on
7032         error.
7033
7034 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
7035
7036         * tree-flow-inline.h (ref_contains_array_ref): New function.
7037         (lookup_subvars_for_var): Ditto.
7038         (get_subvars_for_var): Ditto.
7039         (var_can_have_subvars): Ditto.
7040
7041         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
7042         (struct subvar): New type.
7043
7044         * tree-dfa.c (okay_component_ref_for_subvars): New function.
7045
7046         * tree-optimize.c (init_tree_optimization_passes): Call
7047         pass_create_structure_vars.
7048
7049         * tree-ssa-alias.c: Include vec.h.
7050         (init_alias_info): Don't auto-clear call clobbered on struct-field
7051         tags.
7052         (compute_flow_insensitive_aliasing): Handle subvars.
7053         (group_aliases): Handle STRUCT_FIELD aliases.
7054         (setup_pointers_and_addressables): Ditto.
7055         Don't mark variables non-addressable if they still have
7056         addressable subvars.
7057         Also mark subvars addressable when the real variable is marked
7058         addressable.
7059         (add_pointed_to_var): Try to prune the pointed-to set by only
7060         pointing to subvars when possible.
7061         Otherwise, make sure we set addresses_needed and pt_vars to
7062         properly include subvars.
7063         (bitpos_of_field): New function.
7064         (push_fields_onto_fieldstack): Ditto.
7065         (get_or_create_used_part_for): Ditto.
7066         (create_overlap_variables_for): Ditto.
7067         (find_used_portions): Ditto.
7068         (create_structure_vars): Ditto.
7069         (pass_create_structure_vars): New structure.
7070
7071         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
7072         (get_expr_operands): Handle subvars.  Also try to turn
7073         COMPONENT_REF accesses into must-defs now that we can accurately
7074         portray it.
7075         (note_addressable): Try to only mark as addressable those subvars
7076         we know a COMPONENT_REF touches.
7077         (overlap_subvar): New function.
7078
7079         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
7080         Handle subvar storing.
7081         (vect_address_analysis): Update caller of vect_object_analysis.
7082
7083         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
7084
7085         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
7086         (STMT_VINFO_SUBVARS): New macro.
7087
7088         * common.opts: add flag_tree_salias.
7089
7090         * opts.c (decode_options): flag_tree_salias defaults to on.
7091
7092         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
7093
7094         * doc/tree-ssa.texi: Document structural alias analysis.
7095
7096 2005-03-12  Steven Bosscher  <stevenb@suse.de>
7097
7098         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
7099         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
7100         * tree-ssa-operands.c (get_expr_operands): Likewise.
7101         (get_expr_operands): Likewise for ERROR_MARK.
7102
7103 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
7104
7105         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
7106         var.
7107
7108         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
7109         removed_phis.
7110
7111         * tree-ssa-pre.c (compute_avail): Remove local variable val.
7112         (mark_operand_necessary): Remove local variable ver.
7113
7114         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
7115         variable prefix_len.
7116
7117         * value-prof.c (mod_subtract_transform): Remove local variable
7118         value.
7119
7120         * builtins.c (fold_builtin_exponent): Take decomposed
7121         arguments of CALL_EXPR.
7122         (fold_builtin_1): Update a call to fold_builtin_exponent.
7123
7124         * builtins.c (fold_builtin_logarithm): Take decomposed
7125         arguments of CALL_EXPR.
7126         (fold_builtin_1): Update a call to fold_builtin_logarithm.
7127
7128         * c-decl.c (c_init_decl_processing): Remove local variables
7129         ptr_ftype_void and ptr_ftype_ptr.
7130
7131         * gimplify.c (gimplify_expr): Remove local variables r0 and
7132         r1.
7133
7134         * reg-stack.c (move_for_stack_reg): Remove local variable
7135         push_insn.
7136         (compare_for_stack_reg): Remove local variable flags_user.
7137         (convert_regs_1): Remove local variable deleted.
7138
7139         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
7140         variable new_cond.
7141         (combine_blocks): Remove local variables exits and new_e.
7142
7143         * tree-inline.c (expand_call_inline): Remove local variable
7144         decl.
7145
7146         * tree-ssa-live.c (create_ssa_var_map,
7147         calculate_live_on_entry): Remove local variable snn.
7148
7149 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
7150
7151         * c-lex.c (c_lex_with_flags): Add parameter to call to
7152         cpp_spell_token.
7153
7154 2005-03-11  Per Bothner  <per@bothner.com>
7155
7156         * c-tree.h (struct c_declarator): New id_loc field.
7157         * c-pragma.h (c_lex_with_flags): Take position reference.
7158         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
7159         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
7160         (c_lex): Pass dummy location to c_lex_with_flags.
7161         * c-parser.c (c_lex_one_token): Set c_token's location using
7162         c_lex_with_flags, instead of input_location, which might be "ahead".
7163         (c_parser_direct_declarator): Set declarator's id_loc from
7164         c_token's id_loc.
7165         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
7166         declarator's id_loc, rather than probably-imprecise input_location.
7167         (build_id_declarator): Initialize c_declarator's id_loc field.
7168
7169 2005-03-11  Roger Sayle  <roger@eyesopen.com>
7170
7171         PR middle-end/20419
7172         * builtins.c (expand_builtin_signbit): Force the signbit's word
7173         into an integer register to avoid SUBREGs of floating point modes.
7174
7175 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
7176
7177         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
7178         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
7179         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
7180         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
7181
7182 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
7183
7184         PR rtl-optimization/20306
7185         * expr.c (emit_move_complex): Set try_int false if mode is
7186         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
7187         emit_block_move if try_int is true.
7188
7189 2005-03-11  Richard Henderson  <rth@redhat.com>
7190
7191         PR target/20415
7192         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
7193         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
7194         to match.
7195
7196 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7197
7198         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
7199         (TARGET_FIX_VR4130): New macro.
7200         (TARGET_OPTIONS): Add -mfix-vr4130.
7201         (ISA_HAS_MACCHI): New macro.
7202         (ASM_SPEC): Add -mfix-vr4130.
7203         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
7204         (override_options): Handle mips_fix_vr4130_string.
7205         (mips_avoid_hazards): Clear all_noreorder_p
7206         if we're working around VR4130 errata and the macc alternatives
7207         are not available.
7208         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
7209         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
7210         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
7211         (MULTILIB_DEFAULTS): Remove leading "march=".
7212         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
7213         if no architecture option is given.
7214         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
7215         VR4130 multilibs.
7216         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
7217         * doc/invoke.texi: Document -mfix-vr4130.
7218
7219 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7220
7221         * config/mips/mips.c (override_options): Only warn about -mint64
7222         deprecation if TARGET_INT64.
7223
7224 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7225
7226         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
7227         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
7228         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
7229         are non-specific regarding the nonnull parameter positions.
7230         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
7231         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
7232         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
7233         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
7234
7235         * builtins.def: Use the non-specific "nonnull" attibute lists.
7236
7237 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7238
7239         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7240         single_pred_edge, single_succ, single_pred): Improve comments.
7241
7242 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7243
7244         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7245         single_pred_edge, single_succ, single_pred): New inline functions.
7246         * bb-reorder.c (rotate_loop, find_traces_1_round,
7247         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7248         duplicate_computed_gotos): Use the single_succ/pred functions.
7249         * cfganal.c (forwarder_block_p): Ditto.
7250         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7251         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7252         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7253         merge_seq_blocks): Ditto.
7254         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7255         * cfglayout.c (fixup_reorder_chain): Ditto.
7256         * cfgloop.c (mark_single_exit_loops, update_latch_info,
7257         canonicalize_loop_headers, verify_loop_structure): Ditto.
7258         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7259         mfb_update_loops, create_preheader, force_single_succ_latches,
7260         create_loop_notes): Ditto.
7261         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7262         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7263         commit_one_edge_insertion, purge_dead_edges,
7264         cfg_layout_can_merge_blocks_p): Ditto.
7265         * except.c (sjlj_emit_function_enter): Ditto.
7266         * flow.c (init_propagate_block_info): Ditto.
7267         * function.c (thread_prologue_and_epilogue_insns): Ditto.
7268         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7269         insert_insn_end_bb): Ditto.
7270         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7271         find_if_case_2): Ditto.
7272         * lambda-code.c (perfect_nestify): Ditto.
7273         * lcm.c (optimize_mode_switching): Ditto.
7274         * loop-doloop.c (doloop_modify): Ditto.
7275         * loop-init.c (loop_optimizer_init): Ditto.
7276         * loop-iv.c (simplify_using_initial_values): Ditto.
7277         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7278         * loop-unswitch.c (unswitch_loop): Ditto.
7279         * modulo-sched.c (generate_prolog_epilog): Ditto.
7280         * predict.c (combine_predictions_for_insn, estimate_probability,
7281         tree_estimate_probability, last_basic_block_p,
7282         estimate_bb_frequencies): Ditto.
7283         * profile.c (branch_prob): Ditto.
7284         * regrename.c (copyprop_hardreg_forward): Ditto.
7285         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7286         * tracer.c (layout_superblocks): Ditto.
7287         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7288         cfg_remove_useless_stmts_bb, cleanup_control_flow,
7289         cleanup_control_expr_graph, disband_implicit_edges,
7290         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7291         tree_verify_flow_info, tree_make_forwarder_block,
7292         tree_forwarder_block_p, remove_forwarder_block,
7293         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7294         * tree-if-conv.c (tree_if_conversion): Ditto.
7295         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7296         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7297         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7298         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7299         copy_loop_headers): Ditto.
7300         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7301         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7302         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7303         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7304         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7305         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7306         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7307         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7308         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7309         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7310         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7311         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7312         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7313         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7314         slpeel_add_loop_guard): Ditto.
7315
7316 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
7317
7318         PR tree-optimization/15784
7319         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7320         and -1 - A to ~A.
7321
7322         * stmt.c (expand_case): Don't change index_type.  Convert minval
7323         to the proper type.
7324
7325         PR tree-optimization/20130
7326         * fold-const.c (fold): Fold x * -1 into -x.
7327
7328 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7329
7330         PR rtl-optimization/20331
7331         * rtlanal.c (modified_between_p): Check its address first for MEM.
7332         (modified_in_p): Likewise.
7333
7334 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
7335
7336         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7337
7338 2005-03-10  Steven Bosscher  <stevenb@suse.de>
7339
7340         * expr.c (expand_expr_real_1): If possible, use a conditional
7341         move for expanding MIN_EXPR and MAX_EXPR.
7342         Use temp for moving around rtx-en.
7343
7344 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
7345
7346         PR rtl-opt/20412
7347         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7348         correct mode.
7349
7350 2005-03-10  Roger Sayle  <roger@eyesopen.com>
7351
7352         * builtins.c (expand_builtin_signbit): Extend to handle floating
7353         point modes wider than the largest integer type, using the
7354         operand_subword_force function to obtain the signbit's word.
7355
7356 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7357
7358         PR target/20322
7359         * combine.c (try_combine): If recog_for_combine added CLOBBERs
7360         to NEWI2PAT, fail to combine if they are used by NEWPAT.
7361
7362 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
7363
7364         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7365
7366 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
7367
7368         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7369         type void.
7370         (perform_edge_inserts): Unconditionally call
7371         free_dominator_info.
7372
7373         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7374
7375 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
7376
7377         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7378
7379 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
7380
7381         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7382
7383         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7384         gcc_unreachable.
7385         (rtl_register_value_prof_hooks,
7386         tree_value_profile_transformations,
7387         tree_register_value_prof_hooks): Likewise.
7388         * var-tracking.c (stack_adjust_offset_pre_post,
7389         variable_htab_free, variable_union, dataflow_set_different_2,
7390         count_uses, variable_was_changed, set_frame_base_location,
7391         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7392         vt_add_function_parameters): Likewise.
7393         * varasm.c (named_section_real, named_section, make_decl_rtl,
7394         asm_emit_uninitialised, assemble_integer, decode_addr_const,
7395         const_hash_1, compare_constant, copy_constant, force_const_mem,
7396         output_constant_pool_2, output_constant_pool_1, output_constant,
7397         output_constructor, make_decl_one_only, decl_tls_model,
7398         default_no_named_section, default_elf_select_section_1,
7399         default_unique_section_1): Likewise.
7400         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7401         * vmsdbgout.c (addr_const_to_string): Likewise.
7402
7403         PR c++/20375
7404         * function.c (struct assign_parm_data_one): Remove last_named
7405         field.
7406         (assign_parm_find_data_types): Don't determine last_named.
7407         Reorder named_parm determination.
7408         (assign_parms): Only setup varargs on the last non-varadic
7409         parameter.
7410
7411 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
7412
7413         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
7414         sda base address on medium model.
7415
7416 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
7417
7418         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7419         * cfgloop.c (flow_loop_nodes_find): Export.
7420         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7421         Declare.
7422         * cfgloopmanip.c (fix_loop_structure): New function.
7423         * predict.c (predict_loops): Clean up the loops information.
7424         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7425         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7426         loop structure.
7427         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7428         (rewrite_into_loop_closed_ssa): Declaration changed.
7429         * tree-loop-linear.c (linear_transform_loops): Add argument to
7430         rewrite_into_loop_closed_ssa call.
7431         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7432         * tree-ssa-loop-im.c (move_computations): Ditto.
7433         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7434         * tree-vectorizer.c (vectorize_loops): Ditto.
7435         * tree-optimize.c: Include cfgloop.h.
7436         (execute_todo): Choose whether to call cleanup_tree_cfg or
7437         cleanup_tree_cfg_loop.
7438         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7439         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7440         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7441         cleanup_tree_cfg_loop call.
7442         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7443         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7444         work on part of cfg.
7445
7446 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7447
7448         PR inline-asm/20314
7449         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7450         with multiple alternatives.
7451
7452         * stmt.c (parse_output_constraint): Fix a typo.
7453
7454 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
7455
7456         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7457         assembly directive instead of deprecated "no-generics".
7458
7459 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
7460
7461         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7462         for non-offsettable memory references to cope with outstanding reload
7463         replacements.
7464         * config/s390/s390.md ("reload_outti"): Call find_replacement to
7465         avoid losing outstanding address reloads.
7466         ("reload_outdi", "reload_outdf"): Likewise.
7467
7468 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7469
7470         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7471         code.  Add more cbrt transformations.
7472
7473 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7474
7475         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7476
7477 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7478
7479         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7480         NULL_TREE when a given tree is not simplified.
7481         (fold): Return the original tree when any of the functions
7482         mentioned above NULL_TREE.
7483
7484         * fold-const.c (fold_unary, fold_binary): Take decomposed
7485         arguments, code, type, op0, and op1 in case of fold_binary.
7486         (fold): Update calls to fold_unary and fold_binary.
7487
7488 2005-03-09  Roger Sayle  <roger@eyesopen.com>
7489
7490         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7491         a fndecl and an arglist instead of a CALL_EXPR, exp.
7492
7493 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7494
7495         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7496
7497         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7498
7499         * expr.c (expand_assignment): Remove orig_to_rtx.
7500
7501         * fold-const.c (int_const_binop): Remove no_overflow.
7502
7503         * ifcvt.c (noce_emit_move_insn): Remove inmode.
7504
7505         * loop-iv.c (get_biv_step_1): Remove lhs.
7506
7507         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7508
7509         * real.c (real_nan): Remove neg.
7510
7511         * function.c (thread_prologue_and_epilogue_insns): Remove i
7512         and newinsn.
7513
7514         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7515         tb.
7516
7517         * tree-eh.c (tree_could_trap_p): Remove idx.
7518
7519         * tree-into-ssa.c (ann): Remove ann.
7520
7521         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7522
7523         * tree-sra.c (decide_block_copy): Remove inst_count.
7524
7525         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7526
7527         * tree-ssa-loop-im.c (lhs): Remove.
7528
7529         * cfgbuild.c (state, STATE, SET_STATE,
7530         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7531         make_edges.
7532         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7533         (find_basic_blocks): Set the state of each basic block to
7534         BLOCK_NEW.
7535
7536 2005-03-08  Jeff Law  <law@redhat.com>
7537
7538         * tree-cfg.c (cleanup_control_flow): If removal of a computed
7539         goto results in the removal of edges in the CFG, then we need
7540         to recompute dominators.
7541
7542 2005-03-09  Ben Elliston  <bje@au.ibm.com>
7543
7544         * c-common.c (c_do_switch_warnings): Comment fix.
7545
7546 2005-03-08  Julian Brown  <julian@codesourcery.com>
7547
7548         * Patch from 2005-03-08 reverted for causing regressions and
7549         ppc-darwin bootstrap failure.
7550
7551 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
7552
7553         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7554         Define the real function for ppc-darwin.
7555         * c-typeck.c (convert_arguments): Check for target-specific
7556         invalid argument call to unprototyped function.
7557         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7558         New Macro.
7559         * target.h (invalid_arg_for_unprototyped_fn): New field
7560         in struct calls.
7561         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7562         default target hook.
7563         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7564         Declare.
7565
7566 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7567
7568         * c-typeck.c (constructor_stack, constructor_range_stack,
7569         initializer_stack): Make them static.
7570
7571         * cfg.c (rbi_pool): Make it static.
7572
7573         * gimple-low.c (lower_stmt_body): Make it static.
7574         * tree-flow.h: Remove the corresponding prototype.  Don't
7575         declare lower_data.
7576
7577         * sched-deps.c (cache_size): Make it static.
7578
7579         * stor-layout.c (lang_adjust_rli): Make it static.
7580
7581 2005-03-08  Julian Brown  <julian@codesourcery.com>
7582
7583         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7584         from being used for symbols with vague linkage when
7585         HAVE_GAS_COMDAT_GROUP is true.
7586
7587 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
7588
7589         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7590         nlabel == JUMP_LABEL (jump).
7591
7592 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7593
7594         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7595         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7596         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7597         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7598
7599 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
7600
7601         PR c/14411
7602         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7603         * c-common.c (handle_returns_twice): New function.
7604         (c_common_attribute_table): Declare eturns_twice' attribute.
7605         * doc/extend.texi: Document eturns_twice' attribute.
7606         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7607         (struct tree_decl): Add returns_twice_flag.
7608
7609 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7610
7611         * tree-ssa-phiopt.c: Fix a comment typo.
7612
7613         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7614         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7615         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7616         copyright.
7617
7618 2005-03-08  Richard Henderson  <rth@redhat.com>
7619
7620         * config/alpha/alpha.c (code_for_builtin): Replace special-case
7621         builtin codes with ctzdi2, clzdi2, popcountdi2.
7622         (struct alpha_builtin_def): Add is_const.
7623         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7624         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7625         (alpha_init_builtins): Init them.  Set nothrow and const attributes
7626         on builtins.
7627         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7628         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7629         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7630         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7631         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7632         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7633         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7634         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7635         (TARGET_FOLD_BUILTIN): New.
7636         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7637         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7638         (ffsdi2): Use ctz.
7639         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7640
7641 2005-03-08  Ira Rosen  <irar@il.ibm.com>
7642
7643         PR tree-optimization/20122
7644         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7645         condition of access function instead of base.
7646
7647 2005-03-07  Jeff Law  <law@redhat.com>
7648             Steven Bosscher  <stevenb@suse.de>
7649
7650         * tree-cfg.c (find_taken_edge_computed_goto): New function.
7651         (find_taken_edge): Call find_taken_edge_computed_goto as
7652         appropriate.  Allow any gimple invariant rather than just
7653         INTEGER_CST for VAL.
7654         (cleanup_control_flow): Cleanup a computed goto which has turned
7655         into a simple goto.
7656         (tree_merge_blocks): If block B has any forced labels, move
7657         them to the start of block A.
7658         * tree-ssa-dom.c (thread_across_edge): Allow threading across
7659         computed gotos as well.
7660         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7661         removal of unnecessary computed gotos too.
7662         (lookup_redirection_data): Fix type of INSERT argument.  Callers
7663         updated.
7664
7665 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7666
7667         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
7668         Remove trailing spaces.
7669
7670         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7671         unshare_all_trees): Make them static.
7672         * tree-gimple.h: Remove the corresponding prototypes.
7673
7674         * diagnostic.h: Remove unused prototype
7675         debug_output_buffer.
7676         * modulo-sched.c: Remove unused prototype
7677         set_row_column_for_ps.
7678
7679         * tree-ssa-phiopt.c (tree_ssa_phiopt,
7680         replace_phi_edge_with_variable): Remove unused variable i.
7681
7682 2005-03-07  Per Bothner  <per@bothner.com>
7683
7684         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7685
7686 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
7687
7688         PR tree-opt/17671
7689         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7690         bbs on the COND_EXPR instead of the PHI_NODEs.
7691         (candidate_bb_for_phi_optimization): Remove.
7692         (replace_phi_with_stmt): Rename to ...
7693         (replace_phi_edge_with_variable): this and change so that we
7694         replace the phi argument instead of removing the PHI.
7695         (conditional_replacement): Change so we deal with PHI with more
7696         than two arguments.
7697         (value_replacement): Likewise.
7698         (abs_replacement): Likewise.
7699
7700 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
7701
7702         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7703         output_e500_flip_gt_bit.
7704
7705         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7706         as bit 31.
7707         (rs6000_generate_compare): Fix logic to look at the correct bits.
7708         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7709         Look at GT bit.
7710         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7711         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
7712         gen_move_from_CR_gt_bit.
7713
7714         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7715         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7716         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7717
7718         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7719         (E500_CR_IOR_COMPARE): New constant.
7720
7721 2005-03-08  Earl Chew <earl_chew@agilent.com>
7722             David Billinghurst <David.Billinghurst@riotinto.com>
7723
7724         * config/i386/host-cygwin.c: New file to support precompiled
7725         headers on cygwin
7726         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7727         * config.host: Use above files for cygwin host.
7728
7729 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
7730
7731         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7732         ordering ops from earlier change.
7733
7734 2005-03-07  Per Bothner  <per@bothner.com>
7735
7736         Various fixes to allow us to again build if --enable-mapped-location:
7737         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7738         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7739         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7740         local variable loc. Change logic appropriately.
7741         * tree-vect-transform.c (vect_finish_stmt_generation): Use
7742         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7743         * c-parser.c (c_parser_for_statement): Initialize loc variable.
7744         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7745         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7746
7747 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
7748
7749         PR rtl-optimization/19683
7750         * reload1.c (choose_reload_regs): Pass the number of bits, not the
7751         number of bytes, to smallest_int_for_mode.  Fix arguments to
7752         REG_CANNOT_CHANGE_MODE_P.
7753
7754 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7755
7756         * reorg.c (relax_delay_slots): Check that the jump is
7757         conditional before trying to invert it.
7758
7759 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7760
7761         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7762         Make them static.
7763
7764         * calls (stack_arg_under_construction): Make it static.
7765
7766         * flow.c (regs_live_at_setjmp): Make it static.
7767         * flow.h: Remove the corresponding prototype.
7768
7769         * reload1.c (reload_startobj, reload_firstobj,
7770         something_needs_operands_changed, reload_inherited,
7771         reload_inheritance_insn, reload_override_in,
7772         reload_spill_index): Make them static.
7773
7774         * recog.c (verify_changes): Make it static.
7775         * recog.h: Remove the corresponding prototype.
7776
7777         * cfgbuild.c (find_sub_basic_blocks): Remove.
7778         * basic-block.h: Remove the corresponding prototype.
7779         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7780         in comments.
7781         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7782
7783         * tree-ssa-operands.c (check_build_stmt): Remove.
7784
7785         * stor-layout.c (set_alignment): Remove.
7786         * tree.h: Remove the corresponding prototype.
7787
7788         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7789
7790         * tree-ssa-dce.c (control_dependence_map,
7791         visited_control_parents): Make them static.
7792
7793         * cfghooks.c (verify_flow_info): Remove local variable
7794         num_bb_notes.
7795
7796         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7797         last_bb_seen.
7798
7799         * loop-unswitch.c (unswitch_loop): Remove local variable src.
7800
7801 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
7802
7803         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7804
7805 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
7806
7807         * config/ia64/hpux.h (LINK_SPEC): Add -z.
7808         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7809         PARALLEL for an empty structure.
7810
7811 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7812
7813         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7814
7815         * fold-const.c (fold_binary): Unroll the very first "for"
7816         loop.
7817
7818 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
7819
7820         * config/rs6000/predicates.md (branch_comparison_operator): Remove
7821         redundant match_code test.
7822         (scc_comparison_operator): Swap match_operand and match_code
7823         tests.
7824         (branch_positive_comparison_operator): Same.
7825         (trap_comparison_operator): Use comparison_operator and swap with
7826         match_code test.
7827
7828 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7829
7830         PR target/20288
7831         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7832         (out_movhi_r_mr): Read low byte of volatile MEM first.
7833         (out_movhi_mr_r): Write high byte of volatile MEM first.
7834
7835 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7836
7837         * cselib.c (reg_values, reg_values_size): Make them static.
7838
7839         * cse.c (cse_reg_info_table): Make it static.
7840
7841         * fold-const.c (fold_unary): Use build1 instead of copy_node.
7842
7843 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
7844
7845         * cse.c (find_best_addr): Use canon_for_address.
7846
7847 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7848
7849         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7850         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7851         SUBREG and MEM, respectively.
7852
7853         * fold-const.c (fold_binary): Use code instead of t.
7854
7855         * fold-const.c (optimize_minmax_comparison): Take decomposed
7856         arguments code, type, op0, and op1 instead of t.
7857         (fold_binary): Update a call to optimize_minmax_comparison.
7858
7859         * fold-const.c (fold_range_test): Take decomposed arguments
7860         code, type, op0, and op1 instead of t.
7861         (fold_binary): Update a call to fold_range_test.
7862
7863         * fold-const.c (fold_binary_op_with_conditional_arg): Take
7864         decomposed arguments code, type, op0, and op1 instead of t.
7865         (fold_binary): Update a call to fold_range_test.
7866
7867 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7868
7869         * fold-const.c (fold_binary): Avoid directly using the original
7870         expression t as much as possible.
7871
7872 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7873
7874         * c-semantics.c (build_stmt): Use TYPE_P instead of
7875         IS_NON_TYPE_CODE_CLASS.
7876         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7877         (NON_TYPE_CHECK): Use TYPE_P instead of
7878         IS_NON_TYPE_CODE_CLASS.
7879
7880         * fold-const.c (fold): Remove handling of binary expressions.
7881
7882 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
7883
7884         * doc/c-tree.texi: Wrap comments in @r{}.
7885         * doc/cpp.texi: Likewise.
7886         * doc/cppinternals.texi: Likewise.
7887         * doc/extend.texi: Likewise.
7888         * doc/md.texi: Likewise.
7889         * doc/objc.texi: Likewise.
7890         * doc/sourcebuild.texi: Likewise.
7891         * doc/tm.texi: Likewise.
7892         * doc/tree-ssa.texi
7893
7894 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7895
7896         * predict.c (apply_return_prediction): Standardize PHI chain
7897         walking.
7898         * tree-ssa.c (ssa_redirect_edge): Likewise.
7899
7900         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
7901         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
7902         Update copyright.
7903
7904         * tree-phinodes.c (remove_phi_node): Drop the last argument.
7905         * tree-flow.h: Adjust the prototype for remove_phi_node.
7906         * lambda-code.c (perfect_nestify): Adjust a call to
7907         remove_phi_node.
7908         * tree-cfg.c
7909         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
7910         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
7911         Likewise.
7912         * tree-ssa-dce.c (remove_dead_phis): Likewise.
7913         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7914         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7915         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
7916
7917         * combine.c (simplify_and_const_int): Use gen_int_mode instead
7918         of GEN_INT (trunc_int_for_mode (...)).
7919         * loop-iv.c (iv_number_of_iterations): Likewise.
7920         * postreload.c (reload_cse_move2add): Likewise.
7921         * simplify-rtx.c (simplify_const_unary_operation,
7922         simplify_const_binary_operation): Likewise.
7923         * stor-layout.c (get_mode_bounds): Likewise.
7924
7925         * fold-const.c (fold_binary): New.
7926         (fold): Call fold_binary on binary expressions.
7927
7928 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
7929
7930         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
7931         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
7932         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
7933         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
7934         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
7935
7936 2005-03-04  Devang Patel  <dpatel@apple.com>
7937
7938         PR tree-optimization/18815
7939         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7940         loops with zero exit edges.
7941
7942 2005-03-04  Devang Patel  <dpatel@apple.com>
7943
7944         * doc/invoke.texi: Remove reference to webpage that does not exist.
7945
7946 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
7947             Joseph S. Myers  <joseph@codesourcery.com>
7948
7949         PR c++/19797
7950         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
7951         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7952         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
7953         * pa.c (get_plabel): Change argument to symbol_ref.  Call
7954         maybe_get_identifier instead of get_identifier.
7955         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
7956         (struct deferred_plabel): Replace name field with symbol field.
7957         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
7958         ASM_OUTPUT_EXTERNAL_REAL is defined.
7959         (output_global_address): Use output_addr_const for output of all
7960         symbol_refs.
7961         (output_deferred_plabels): Use symbol_ref instead of name for address
7962         output.
7963         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
7964         ASM_OUTPUT_SYMBOL_REF): New macros.
7965         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
7966         comment.
7967         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
7968         label.
7969
7970 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
7971
7972         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
7973         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
7974
7975 2005-03-04  Jeff Law  <law@redhat.com>
7976
7977         * basic-block.h (rediscover_loops_after_threading): Declare.
7978         * tree-ssa-dom.c: Include cfgloop.h.
7979         (tree_ssa_dominator_optimize): Discover loops and some basic
7980         properties.  Remove forwarder blocks recreated by loop header
7981         canonicalization.  Also mark backedges in the CFG.
7982         * tree-ssa-threadupdate.c: Include cfgloop.h
7983         (rediscover_loops_after_threading): Define.
7984         (struct local_info): New field, JUMP_THREADED.
7985         (prune_undesirable_thread_requests): New function.
7986         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
7987         then record that fact for the callers of redirct_edges.
7988         (thread_block): If BB has incoming backedges, then call
7989         prune_undesirable_thraed_requests.    Note when we are
7990         going to have to rediscover loop information.  Return a
7991         boolean indicating if any jumps were threaded.
7992         (thread_through_all_blocks): Bubble up boolean indicating
7993         if any jumps were threaded.
7994         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
7995         (tree-ssa-threadupdate.o): Similarly.
7996
7997 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7998
7999         * fold-const.c (fold_ternary): Unroll the "for" loop to
8000         extract operands.
8001
8002 2005-03-04  Andrew Haley  <aph@redhat.com>
8003
8004         * unwind-dw2-fde-glibc.c (struct
8005         unw_eh_callback_data.check_cache): New field.
8006         (frame_hdr_cache): New.
8007         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
8008         Cache frame header info.
8009
8010 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
8011
8012         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
8013         (print_c_condition): Declare.
8014         * read-rtl.c (ptr_loc): New structure.
8015         (ptr_locs, ptr_loc_obstack, joined_conditions)
8016         (joined_conditions_obstack): New variables.
8017         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
8018         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
8019         (join_c_conditions, print_c_condition): New functions.
8020         (apply_macro_to_string): Associate the new string with the same
8021         source location as the old one.
8022         (add_condition_to_string): Use join_c_conditions.
8023         (read_string): Use set_rtx_ptr_loc to record a filename and line
8024         number for the string.
8025         (read_rtx): Initialize the new variables above.
8026         * genattrtab.c (write_test_expr, write_attr_value): Use
8027         print_c_condition.
8028         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
8029         comment above the GCC_VERSION check.
8030         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
8031         Inline the definition of MAYBE_EVAL.
8032         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
8033         * genoutput.c (process_template): Likewise.
8034         * genpreds.c (write_predicate_subfunction): Likewise.
8035         (write_predicate_expr): Use print_c_condition.
8036         * genrecog.c (write_cond): Likewise.
8037         * gensupport.c (process_rtx): Use join_c_conditions to join the
8038         conditions of a define_insn_and_split.  Record a source location
8039         for the string after the "&&".
8040         (alter_test_for_insn): Use join_c_conditions.
8041
8042 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
8043
8044         Revert for now:
8045         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
8046         PR tree-optimization/15784
8047         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8048         and -1 - A to ~A.
8049
8050 2005-03-04  Ben Elliston  <bje@au.ibm.com>
8051
8052         * gcc.c (option_map): Add --coverage.
8053         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
8054         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
8055         * config/darwin.h: Pass -lgcov for `coverage'.
8056         * doc/invoke.texi (Debugging Options): Document --coverage.
8057
8058 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8059
8060         * gcse.c (bypass_block): Use find_edge wherever possible.
8061
8062 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
8063
8064         Fix PR debug/20253
8065
8066         * c-opts.c (c_common_parse_file): Call start_source_file
8067         and end_source_file at the approriate times.
8068
8069         * dwarf2out.c (dwarf2out_finish): Don't auto-end
8070         the main file, it will be done for us now.
8071
8072 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8073
8074         * fold-const.c (fold_ternary): New.
8075         (fold): Call fold_ternary on ternary expressions.  Remove
8076         handling of ternary expressions.
8077
8078 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
8079
8080         PR tree-optimization/15784
8081         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8082         and -1 - A to ~A.
8083
8084 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
8085
8086         * config/rs6000/predicates.md (branch_comparison_operator):
8087         Convert from C block to conditional format.
8088
8089 2005-03-03  Jan Hubicka  <jh@suse.cz>
8090
8091         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
8092         and non-constant public variables.
8093
8094 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
8095
8096         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
8097         with LABEL_EXPR.
8098
8099         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
8100         EDGE_I.
8101
8102         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
8103         calls to release_ssa_name and release_phi_node.
8104
8105         * fold-const.c (fold): Remove handling of unary expressions.
8106
8107         * fold-const.c (fold_unary): Avoid directly using the original
8108         expression t as much as possible.
8109
8110 2005-03-03  Roger Sayle  <roger@eyesopen.com>
8111             Andrew Pinski  <pinskia@physics.uc.edu>
8112
8113         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
8114         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
8115
8116 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
8117
8118         Describe special registers SRP and MOF as allocatable registers.
8119         * config/cris/cris.c (cris_md_asm_clobbers): New function.
8120         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
8121         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
8122         TARGET_HAS_MUL_INSNS.
8123         (cris_print_operand) <case 'd'>: New case.
8124         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
8125         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
8126         define.
8127         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
8128         (REG_ALLOC_ORDER): Update for MOF.
8129         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
8130         SPECIAL_REGS.
8131         (GENERAL_REGS): No longer a define of ALL_REGS.
8132         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
8133         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8134         Adjust accordingly.
8135         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
8136         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
8137         (SECONDARY_RELOAD_CLASS): Define.
8138         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
8139         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
8140         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
8141         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
8142         (REGISTER_MOVE_COST): Define.
8143         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
8144         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
8145         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
8146         (CRIS_MOF_REGNUM): New define_constants.
8147         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
8148         special registers.
8149         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
8150         New patterns.
8151         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
8152         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
8153         Adjust for MOF being properly described as a register.
8154         (indir_to_reg_split): Name this split.  Conditionalize on the
8155         destination register being a general register.
8156         (movei): Conditionalize on on operands 0 and 1 having the same
8157         register class.
8158
8159 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
8160
8161         PR target/20277
8162         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
8163         -mcpu to override any other explicitly given flags.
8164
8165 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
8166
8167         * recog.c (verify_changes, confirm_change_group): New functions,
8168         broken out of apply_change_group.
8169         (apply_change_group): Use them.
8170         * recog.h (verify_change, confirm_change_group): Declare.
8171         * rtl.h (redirect_jump_2): Declare.
8172         * jump.c (redirect_exp, invert_exp): Delete.
8173         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
8174         (redirect_jump_2): New function, broken out of redirect_jump.
8175         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
8176         (invert_jump): Use invert_jump_1 and redirect_jump_2.
8177         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
8178
8179 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
8180
8181         * varasm.c (named_section): Use xstrdup rather than doing it by
8182         hand.
8183
8184         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
8185
8186 2005-03-02  Devang Patel  <dpatel@apple.com>
8187
8188         Undo PR tree-optimization/18815 fix.
8189
8190 2005-03-02  Devang Patel  <dpatel@apple.com>
8191
8192         PR tree-optimization/18815
8193         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8194         loops with zero exit edges.
8195
8196 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8197
8198         * cfg.c (connect_src, connect_dest, disconnect_src,
8199         disconnct_dest): New.
8200         (unchecked_make_edge, remove_edge, redirect_edge_succ,
8201         redirect_edge_pred): Use the new functions.
8202
8203         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
8204         free_dominance_info only when needed.
8205
8206 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
8207
8208         PR target/20276
8209         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
8210         (reg_or_sub_cint64_operand): Same.
8211
8212 2005-03-02  Jeff Law  <law@redhat.com>
8213
8214         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
8215         CFG_ALTERED in the main DOM iteration loop.
8216
8217 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
8218
8219         PR c++/19916
8220         * varasm.c (initializer_constant_valid_p): Allow conversions
8221         between OFFSET_TYPEs.  Tidy.
8222
8223 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
8224
8225         * config/cris/cris.md ("return"): Remove epilogue delay list
8226         sanity check.
8227
8228 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
8229
8230         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
8231         for Thumb.
8232         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
8233
8234 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8235
8236         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
8237         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
8238         config/m68k/m68k.c, config/mips/mips.h,
8239         config/rs6000/rs6000-protos.h, doc/contrib.texi,
8240         doc/include/gcc-common.texi: Update copyright.
8241
8242         PR middle-end/18029 and PR middle-end/18030
8243         * expr.c (optimize_bitfield_assignment_op): Add a special case
8244         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8245
8246         * fold-const.c (fold_unary): New.
8247         (fold): Call fold_unary on unary expressions.
8248
8249 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
8250
8251         * cgraph.h (struct cgraph_edge): Add prev_caller and
8252         prev_callee fields.
8253         (cgraph_node_remove_callees): Export.
8254         * cgraph.c (cgraph_create_edge): Initialize prev_caller
8255         and prev_callee.
8256         (cgraph_edge_remove_callee): New function.
8257         (cgraph_edge_remove_caller): Likewise.
8258         (cgraph_remove_edge): Use.
8259         (cgraph_redirect_edge_callee): Likewise.
8260         (cgraph_node_remove_callees): New function.
8261         (cgraph_node_remove_callers): Likewise.
8262         (cgraph_remove_node): Use.
8263         * tree-optimize.c (tree_rest_of_compilation): Use
8264         cgraph_node_remove_callees instead of manual loop.
8265         * cgraphunit.c (cgraph_finalize_function): Likewise.
8266         (cgraph_expand_function): Likewise.
8267         (cgraph_remove_unreachable_nodes): Likewise.
8268
8269 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
8270
8271         PR c/8927
8272         * c-tree.h (undeclared_variable, build_external_ref): Add extra
8273         argument.
8274         * c-decl.c (undeclared_variable): Take location as argument.
8275         * c-typeck.c (build_external_ref): Likewise.
8276         * c-parser.c (c_parser_postfix_expression): Pass location of
8277         identifier to build_external_ref.
8278
8279 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8280
8281         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8282         CCEQ mode for branch_positive_comparison_operator test.
8283         * config/rs6000/predicates (branch_comparison_operator): Revert to
8284         define_predicate.
8285         (scc_comparison_operator): Same.
8286         (branch_positive_comparison_operator): Same.
8287
8288 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
8289
8290         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8291         (cris_delay_slots_for_epilogue): Remove.
8292         (save_last): Move into cris_target_asm_function_epilogue.
8293         (cris_target_asm_function_epilogue): Remove tests for file being
8294         NULL.
8295         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8296         (cris_delay_slots_for_epilogue): Remove prototypes.
8297         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8298         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8299
8300 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8301
8302         * config/rs6000/predicates.md (branch_comparison_operator): Change
8303         to define_special_predicate.
8304         (scc_comparison_operator): Same.
8305         (branch_positive_comparison_operator): Same.
8306
8307 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
8308
8309         * Makefile.in (tree-ssa-sink.o): New.
8310         (OBJS-common): Add tree-ssa-sink.o.
8311         * common.opt: Add -ftree-sink
8312         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8313         * timevar.def (TV_TREE_SINK): new timevar.
8314         * tree-flow.h (is_hidden_global_store): Prototype.
8315         * tree-optimize.c (init_tree_optimization_passes): Add
8316         pass_sink_code.
8317         * tree-pass.h (pass_sink_code): New.
8318         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8319         for non-obvious global store store to is_hidden_global_store, and
8320         call that new function.
8321         * tree-ssa-sink.c: New file.
8322         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8323         * doc/passes.texi: Document forward store motion.
8324         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8325         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8326         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8327         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8328
8329 2005-03-01  Per Bothner  <per@bothner.com>
8330
8331         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8332         and we have a non-zero column-number, add it to the message.
8333         Also factor out the diagnostic_kind_text.
8334
8335 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8336
8337         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8338         flow_loop_pre_header_scan, flow_loop_pre_header_find,
8339         flow_loop_scan): Removed.
8340         (flow_loop_dump): Do not dump removed fields.
8341         (flow_loop_free): Do not free removed fields.
8342         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
8343         (loop_exit_edge_p): New function.
8344         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8345         num_pre_header_edges, entry_edges, num_entries, exit_edges,
8346         num_exits, exits_doms.
8347         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8348         LOOP_EDGES, LOOP_ALL): Removed.
8349         (flow_loop_scan): Declaration removed.
8350         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8351         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8352         flow_loops_find.
8353         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8354         (if_convert): Call flow_loops_find and flow_loops_free
8355         when calling mark_loop_exit_edges.
8356         * cfgloopanal.c (mark_loop_exit_edges): Moved from
8357         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
8358         free_dominance_info calls.
8359         * loop-init.c (flow_loops_find): Ditto.
8360         * passes.c (rest_of_handle_branch_prob): Ditto.
8361         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8362         * loop-unroll.c (analyze_insns_in_loop): Do not use
8363         EDGE_LOOP_EXIT.
8364         * predict.c (predict_loops): Do not call flow_loop_scan.
8365         Use get_loop_exit_edges.
8366         (tree_estimate_probability): Do not pass flags to flow_loops_find.
8367         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8368         Do not use EDGE_LOOP_EXIT.
8369         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8370         to bb_with_exit_edge_p.
8371         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
8372         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
8373         to bb_with_exit_edge_p.
8374         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
8375         EDGE_LOOP_EXIT.
8376         * tree-loop-linear.c (linear_transform_loops): Do not call
8377         flow_loop_scan.  Use loop->single_exit.
8378         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8379         (vect_analyze_loop_form): Do not call flow_loop_scan.
8380         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8381         loop->single_exit.
8382         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8383         loop->single_exit.
8384         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8385         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8386         slpeel_tree_duplicate_loop_to_edge_cfg,
8387         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8388         Use loop_preheader_edge and loop->single_exit.  Do not call
8389         flow_loop_scan.
8390
8391 2005-03-01  Nick Clifton  <nickc@redhat.com>
8392
8393         * config/arm/arm.c (thumb_find_work_register): Check all of the
8394         argument registers to see if they are free, and a couple of
8395         special cases where the last argument register but can be proved
8396         to be available during the function's prologue.
8397         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8398         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8399         thumb_unexpanded_epilogue): Use unsigned long as the type for the
8400         register bit-mask.
8401         (thumb_compute_save_reg_mask): Likewise.  Also use
8402         thumb_find_work_register() to ensure that there is agreement about
8403         which work register is going to be used in the prologue.
8404         (thumb_output_function_prologue): Use unsigned long as the type
8405         for the register bit-mask.  Also delay pushing the link register if
8406         other high registers are going to be pushed.
8407         (thumb_compute_save_reg_mask, emit_multi_reg_push,
8408         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8409         redundant prototypes.
8410
8411 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
8412
8413         PR target/19819
8414         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8415         and after reload in REG+REG indexed addresses without REG_POINTER
8416         set in the base and not set in the index.
8417
8418 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8419
8420         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8421         Don't undefine here.
8422         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8423         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8424         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8425         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8426         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8427         Delete.
8428         * config.gcc (sh*-*-linux*): Use config/linux.h.
8429
8430 2005-02-28  Dale Johannesen  <dalej@apple.com>
8431             Stan Shebs  <shebs@apple.com>
8432
8433         Rewrite of 64-bit Darwin structure-by-value pass/return.
8434         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8435         intoffset, use_stack, named.
8436         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
8437         (rs6000_darwin64_record_arg_advance_flush):  New.
8438         (rs6000_darwin64_record_arg_advance_recurse): New.
8439         (rs6000_darwin64_record_arg_flush):  New.
8440         (rs6000_darwin64_record_arg_recurse):  New.
8441         (rs6000_darwin64_record_arg):  New.
8442         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
8443         (function_arg_boundary):  Handle 128-bit aligned structs.
8444         (function_arg_advance):  Rewrite darwin64 struct handling.
8445         (function_arg):  Call rs6000_darwin64_record_arg.
8446         (function_arg_partial_nregs):  Handle darwin64 structs.
8447         (rs6000_darwin64_function_value):  Remove.
8448         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
8449
8450 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8451
8452         PR tree-optimization/20216
8453         * tree-chrec.c (tree_fold_factorial): Delete.
8454         (tree_fold_binomial): Change argument list to take a return type
8455         and change the type of K to unsigned int.  Rewrite to avoid explicit
8456         evaluation of factorials, and (recursively) calling fold to perform
8457         compile-time arithmetic.  Return NULL on (internal) overflow.
8458         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
8459         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
8460         if any intermediate calculation overflows.
8461         (chrec_apply): Update call to chrec_evaluate.
8462
8463 2005-02-28  James E Wilson  <wilson@specifixinc.com>
8464
8465         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8466
8467 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
8468
8469         PR c/20245
8470         * c-parser.c (c_parser_compound_statement): Return error_mark_node
8471         instead of NULL_TREE on error.
8472
8473 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
8474
8475         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8476         (EASY_VECTOR_15_ADD_SELF): Remove.
8477         (num_insns_constant_wide): Not static.
8478         (validate_condition_mode): Not static.
8479         (toc_relative_expr_p): Not static.
8480         (legitimate_indirect_address_p): Not static.
8481         (macho_lo_sum_memory_operand): Not static.
8482         (invalid_e500_subreg): Not static.
8483         (easy_vector_same): Not static.
8484         (easy_vector_splat_const): Not static.
8485         (RS6000_SYMBOL_REF_TLS_P): Remove.
8486         (any_operand): Delete.
8487         (any_parallel_operand): Delete.
8488         (count_register_operand): Delete.
8489         (altivec_register_operand): Delete.
8490         (xer_operand): Delete.
8491         (s8bit_cint_operand): Delete.
8492         (short_cint_operand): Delete.
8493         (u_short_cint_operand): Delete.
8494         (non_short_cint_operand): Delete.
8495         (exact_log2_cint_operand): Delete.
8496         (gpc_reg_operand): Delete.
8497         (cc_reg_operand): Delete.
8498         (cc_reg_not_cr0_operand): Delete.
8499         (reg_or_short_operand): Delete.
8500         (reg_or_neg_short_operand): Delete.
8501         (reg_or_aligned_short_operand): Delete.
8502         (reg_or_u_short_operand): Delete.
8503         (reg_or_cint_operand): Delete.
8504         (reg_or_arith_cint_operand): Delete.
8505         (reg_or_add_cint64_operand): Delete.
8506         (reg_or_sub_cint64_operand): Delete.
8507         (reg_or_logical_cint_operand): Delete.
8508         (got_operand): Delete.
8509         (got_no_const_operand): Delete.
8510         (easy_fp_constant): Delete.
8511         (easy_vector_constant): Delete.
8512         (easy_vector_constant_add_self): Delete.
8513         (zero_constant): Delete.
8514         (zero_fp_constant): Delete.
8515         (volatile_mem_operand): Delete.
8516         (offsettable_mem_operand): Delete.
8517         (mem_or_easy_const_operand): Delete.
8518         (add_operand): Delete.
8519         (non_add_cint_operand): Delete.
8520         (logical_operand): Delete.
8521         (non_logical_cint_operand): Delete.
8522         (mask_operand): Delete.
8523         (mask_operand_wrap): Delete.
8524         (mask64_operand): Delete.
8525         (mask64_2_operand): Delete.
8526         (and64_operand): Delete.
8527         (and64_2_operand): Delete.
8528         (and_operand): Delete.
8529         (reg_or_mem_operand): Delete.
8530         (lwa_operand): Delete.
8531         (symbol_ref_operand): Delete.
8532         (call_operand): Delete.
8533         (current_file_function_operand): Delete.
8534         (input_operand): Delete.
8535         (rs6000_nonimmediate_operand): Delete.
8536         (rs6000_tls_symbol_ref): Delete.
8537         (save_world_operation): Delete.
8538         (restore_world_operation): Delete.
8539         (load_multiple_operation): Delete.
8540         (store_multiple_operation): Delete.
8541         (vrsave_operation): Delete.
8542         (mfcr_operation): Delete.
8543         (mtcrf_operation): Delete.
8544         (lmw_operation): Delete.
8545         (stmw_operation): Delete.
8546         (branch_comparison_operator): Delete.
8547         (branch_positive_comparison_operator): Delete.
8548         (scc_comparison_operator): Delete.
8549         (trap_comparison_operator): Delete.
8550         (boolean_operator): Delete.
8551         (boolean_or_operator): Delete.
8552         (min_max_operator): Delete.
8553         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8554         (EASY_VECTOR_15): Moved to here.
8555         (EASY_VECTOR_15_ADD_SELF): Move to here.
8556         (PREDICATE_CODES): Delete.
8557         * config/rs6000/rs6000-protos.h: Delete predicate functions.
8558         Declare functions no longer static.
8559         * config/rs6000/predicates.md: New.
8560         * config/rs6000/rs6000.md: Include predicates.md
8561
8562 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8563
8564         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
8565         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8566         REG_ALWAYS_RETURN.
8567         * cfgrtl.c (need_fake_edge_p): Likewise.
8568         * combine.c (distribute_notes): Likewise.
8569         * emit-rtl.c (try_split): Likewise.
8570         * recog.c (peephole2_opimize): Likewise.
8571         * reg-notes.def (ALWAYS_RETURN): Remove.
8572         * rtl.h (LCT_ALWAYS_RETURN): Remove.
8573         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8574         * tree.h (ECF_ALWAYS_RETURN): Remove.
8575
8576 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8577
8578         PR middle-end/19874
8579         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8580         between different machine modes is never a "useless" conversion.
8581
8582 2005-02-28  Geert Bosch  <bosch@gnat.com>
8583
8584         PR ada/15977
8585         * doc/contrib.texi: List contributors for Ada front end
8586
8587 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8588
8589         * simplify-rtx.c (simplify_unary_operation_1,
8590         simplify_const_unary_operation): New, extracted from...
8591         (simplify_unary_operation): ... this one.
8592         (simplify_binary_operation_1,
8593         simplify_const_binary_operation): New, extracted from...
8594         (simplify_binary_operation): ... this one.
8595         * rtl.h (simplify_const_unary_operation,
8596         simplify_const_binary_operation): Add prototypes.
8597
8598 2005-02-28  Julian Brown  <julian@codesourcery.com>
8599
8600         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8601         building libjava and caused PR regression/20228.
8602
8603 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
8604
8605         PR bootstrap/17383
8606         * Makefile.in (host_subdir): New.
8607         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
8608         * configure: Regenerate.
8609
8610 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
8611
8612         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8613         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8614         installation directory first.
8615
8616 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
8617
8618         PR target/19065.
8619         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8620         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8621         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8622         * config/cris/cris.md: Tweak comments referring to Q.
8623         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8624         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8625         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8626         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8627         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8628         Insert spaces in constraints to align alternatives vertically for
8629         readability.
8630         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
8631         operand 1: "M".
8632
8633 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8634
8635         PR rtl-optimization/17728
8636         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8637         operand 0 from general_operand to move_dest_operand.
8638
8639 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8640
8641         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8642         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8643         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8644         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8645
8646 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
8647
8648         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8649         * configure: Regenerate.
8650         * libada-mk.in: Remove CC; rename
8651         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8652
8653 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
8654
8655         PR tree-opt/20188
8656         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8657         for the lhs, also walk over the tree.  Likewise for rhs.
8658
8659 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
8660
8661         * tree-ssa-dom.c (simple_iv_increment_p): New function.
8662         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8663         Do not propagate value of iv before increment over the increment.
8664
8665 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
8666
8667         * c-parser.c: New file.
8668         * c-parse.in: Remove.
8669         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8670         Remove.
8671         (c-parser.o): Add dependencies.
8672         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8673         maintainer-clean, TAGS): Update.
8674         * c-config-lang.in (gtfiles): Update.
8675         * gengtype-lex.l: Don't handle "@@".
8676         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8677         objc_build_synchronized, objc_begin_try_stmt,
8678         objc_begin_catch_clause, objc_finish_catch_clause,
8679         objc_build_finally_clause, objc_finish_try_stmt): New.
8680         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8681         type_seen_p.
8682         (c_parse_init): Update comment.
8683         * c-decl.c (c_init_decl_processing): Update comment.
8684         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8685         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8686         new c_declspecs members.
8687
8688 2005-02-25  Julian Brown  <julian@codesourcery.com>
8689
8690         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8691         from being used for symbols with vague linkage when
8692         HAVE_GAS_COMDAT_GROUP is true.
8693
8694 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8695
8696         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8697
8698 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
8699
8700         PR target/19930
8701         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8702         (LIBGCC2_HAS_DF_MODE): New.
8703         (LIBGCC2_HAS_XF_MODE): New.
8704         (LIBGCC2_HAS_TF_MODE): New.
8705         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8706         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8707         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8708         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8709         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8710         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8711         and add _fixtfdi, _fixunstfdi, _floatditf
8712         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8713         L_fixunstfdi, L_floatditf.
8714         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8715         (LIBGCC2_HAS_TF_MODE): Define.
8716
8717 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
8718
8719         PR tree-optimization/20204
8720         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8721         REWRITE_THIS_STMT markers on PHI nodes.
8722         (rewrite_initialize_block): Likewise.
8723
8724 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8725
8726         * version.c (version_string): Update to 4.1.
8727
8728 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
8729
8730         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8731         Clarify that the alternative way doesn't work in GNU C++.
8732
8733 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8734
8735         PR tree-optimization/19937
8736         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8737         to the type of the induction variable.
8738
8739 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8740
8741         PR rtl-optimization/20117
8742         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8743         the block including noncopyable insn.
8744
8745 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8746
8747         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8748         calls to find_reg_note.
8749
8750 2005-02-24  Richard Henderson  <rth@redhat.com>
8751
8752         PR tree-opt/20127
8753         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8754         the type.
8755
8756 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
8757
8758         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8759         vector types if to use base reg for misaligned non-word ld/std.
8760
8761 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8762
8763         PR target/14619
8764         * config/cris/cris.c (cris_target_asm_function_prologue): Create
8765         dwarf2 label manually and put it after, not before the prologue.
8766
8767 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
8768
8769         PR target/19019
8770         * reload.c (operands_match_p): Only increment register number for
8771         SCALAR_INT_MODE_P modes in multiple hard registers.
8772
8773         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8774         Fix formatting.
8775
8776 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8777
8778         * ChangeLog.5: Fix log message typo(s).
8779         * ChangeLog.7: Likewise.
8780         * ChangeLog.tree-ssa: Likewise.
8781         * cfgexpand.c: Fix comment typo(s).
8782         * conflict.c: Likewise.
8783         * defaults.h: Likewise.
8784         * dwarf2out.c: Likewise.
8785         * gcse.c: Likewise.
8786         * ggc-page.c: Likewise.
8787         * tree-eh.c: Likewise.
8788         * tree-ssa-dom.c: Likewise.
8789
8790 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
8791
8792         PR target/19019
8793         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8794         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8795         if SHARED is defined.
8796
8797         PR target/20196
8798         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8799         allow splitting only if operands 0 and 3 don't overlap.
8800
8801 2005-02-24  Richard Henderson  <rth@redhat.com>
8802
8803         PR middle-end/19953
8804         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8805         (fold_builtin_1): Call them.
8806         * fold-const.c (fold_complex_mult_parts): Split out from ...
8807         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
8808         (fold_complex_div_parts, fold_complex_div): New.
8809         (fold): Use them.
8810         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8811
8812 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8813
8814         * tree-ssa-ccp.c (visit_assignment): Verify that result of
8815         VIEW_CONVERT_EXPR is_gimple_min_invariant.
8816
8817         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8818         (print_node): Likewise.
8819         Print TYPE_SIZES_GIMPLIFIED.
8820
8821 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8822
8823         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8824         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8825         operands as commutative in constraints.
8826
8827 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
8828
8829         * tree-into-ssa.c: Re-organize internal functions.
8830
8831 2005-02-24  Richard Henderson  <rth@redhat.com>
8832
8833         PR middle-end/18902
8834         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8835         for c99.
8836         * common.opt (fcx-limited-range): New.
8837         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8838         * toplev.c (flag_complex_method): Initialize to 1.
8839         (process_options): Set flag_complex_method to 0 if
8840         flag_cx_limited_range.
8841         * doc/invoke.texi (-fcx-limited-range): New.
8842
8843 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8844
8845         * cse.c (delete_trivially_dead_insns): Speed up by using
8846         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8847         prev_real_insn.
8848
8849 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
8850
8851         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8852         functions when -mid-shared-library is being used.
8853
8854 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8855
8856         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8857         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8858         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8859         * system.h: Poison LINK_LIBGCC_SPECIAL.
8860
8861 2005-02-23  James E Wilson  <wilson@specifixinc.com>
8862
8863         * gengtype.c (note_insn_name): Make 1 element larger.
8864
8865 2005-02-23  Roger Sayle  <roger@eyesopen.com>
8866
8867         PR target/20018
8868         PR rtl-optimization/20097
8869         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8870         BImode SUBREGs of SImode registers which confuse the ia64 backend.
8871
8872 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
8873
8874         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8875         * t-aix52 (SHLIB_INSTALL): Same.
8876
8877 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8878
8879         * genpreds.c: Update copyright.
8880
8881 2005-02-23  Michael Beach  <michaelb@ieee.org>
8882
8883         PR target/20159
8884         * config/sparc/t-elf (startup files): Assemble with CPP.
8885
8886 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
8887
8888         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
8889         (write_predicate_expr): Likewise.
8890
8891 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8892
8893         PR tree-optimization/20100
8894         PR tree-optimization/20115
8895         * tree-optimize.c (init_tree_optimization_passes): Remove
8896         pass_maybe_create_global_var.
8897         * tree-pass.h (pass_maybe_create_global_var): Remove.
8898         * tree-ssa-alias.c (aliases_computed_p): Declare.
8899         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
8900         (count_calls_and_maybe_create_global_var): Remove.
8901         (pass_maybe_create_global_var): Remove.
8902         (init_alias_info): Do not declare aliases_computed_p.
8903         (maybe_create_global_var): If the function contains no
8904         call-clobbered variables and a mix of pure/const and regular
8905         function calls, create .GLOBAL_VAR.
8906         Mark all call-clobbered variables for renaming.
8907         (merge_pointed_to_info): Update comment.
8908         (add_pointed_to_var): Likewise.
8909         (is_escape_site): Likewise.
8910         Accept struct alias_info * instead of size_t *.
8911         Update all users.
8912         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
8913         as necessary.
8914         * tree-ssa-operands.c (get_call_expr_operands): If
8915         ALIASES_COMPUTED_P is false, do not add call-clobbering
8916         operands.
8917         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
8918         (delete_tree_ssa): Likewise.
8919
8920 2005-02-22  James E Wilson  <wilson@specifixinc.com>
8921
8922         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
8923         (do_compile): Do call it here.
8924
8925 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8926
8927         PR rtl-optimization/20017.
8928         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
8929         rest_of_handle_cse2, rest_of_handle_gcse): Call
8930         delete_dead_jumptables immediately before calling cleanup_cfg.
8931
8932 2005-02-22  Devang Patel  <dpatel@apple.com>
8933
8934         PR 19952
8935         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
8936         all labels
8937
8938 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
8939
8940         * config/rs6000/aix.h (WINT_TYPE): Define.
8941
8942 2005-02-22  Stan Shebs  <shebs@apple.com>
8943
8944         * config/rs6000/rs6000.c (rs6000_override_options): Default to
8945         natural alignment for 64-bit Darwin.
8946         (rs6000_parse_alignment_option): Warn about uses of -malign-power
8947         on 64-bit Darwin.
8948         * doc/invoke.texi: Document this.
8949
8950 2005-02-22  DJ Delorie  <dj@redhat.com>
8951
8952         * c-common.c (c_common_type_for_mode): Pass the mode's precision
8953         to make_[un]signed_type, not the mode itself.
8954
8955 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8956
8957         * cfg.c (cached_make_edge): Call make_edge if edge cache is
8958         not available.  Use tail calls wherever possible.
8959         (make_edge): Call unchecked_make_edge to create an edge.
8960
8961         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
8962         (coalesce_ssa_name): Don't check for
8963         SSANORM_USE_COALESCE_LIST.
8964         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
8965
8966 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8967
8968         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
8969         (rewrite_into_ssa): ... here.
8970
8971 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
8972
8973         PR tree-optimization/19786
8974         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
8975         tag to another's may-alias bitmap when adding to the other's list.
8976
8977 2005-02-21  DJ Delorie  <dj@redhat.com>
8978
8979         * tree-ssa-loop-ivopts.c (computation_cost): Start register
8980         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
8981         registers in unsupported ways.
8982         * expmed.c (init_expmed): Likewise.
8983
8984 2005-02-21  Stan Cox  <scox@redhat.com>
8985
8986         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
8987
8988 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8989
8990         * tree-cfg.c (fold_cond_expr_cond): New.
8991         (make_edges): Call fold_cond_expr_cond.
8992         (find_taken_edge): Accept nothing but INTEGER_CST.
8993         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
8994         and 1.
8995         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
8996
8997         * flow.c (delete_dead_jumptables): Speed up by scanning insns
8998         that do not belong to any basic block.
8999
9000 2005-02-21  Jeff Law  <law@redhat.com>
9001
9002         * cfganal.c (find_unreachable_blocks): Manually CSE load of
9003         e->dest.
9004
9005 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9006
9007         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
9008         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
9009         Adjust their definitions.
9010         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
9011         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
9012
9013         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
9014         genautomata.c, langhooks.c, langhooks.h, system.h,
9015         config/arm/lib1funcs.asm: Update copyright.
9016
9017 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
9018
9019         * dbxout.c (dbxout_function_end): Emit Lscope label always.
9020
9021 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
9022
9023         PR bootstrap/13770
9024         * doc/install.texi: Document --with-gc.
9025
9026 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
9027
9028         * simplify-rtx.c (simplify_unary_operation): Add a missing
9029         "break" statement.
9030
9031 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9032
9033         PR tree-optimization/18663
9034         * tree-ssa-dom.c (extract_range_from_cond): Return 0
9035         if the type has variable bounds.
9036
9037 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9038
9039         * gcse.c: Remove an obsolete comment.
9040
9041         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
9042
9043 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
9044
9045         * doc/extend.texi (Function Attributes) <Attribute const>: The
9046         attribute "pure" is below this text, not above.
9047
9048 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9049
9050         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
9051         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
9052         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
9053
9054 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
9055
9056         PR 18785
9057         * langhooks.h (struct lang_hooks): Add to_target_charset.
9058         * langhooks.c (lhd_to_target_charset): New function.
9059         * langhooks-def.h: Declare lhd_to_target_charset.
9060         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
9061         (LANG_HOOKS_INITIALIZER): Update.
9062         * c-common.c (c_common_to_target_charset): New function.
9063         * c-common.h: Declare it.
9064         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
9065         c_common_to_target_charset.
9066
9067         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
9068         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
9069         Delete definitions.
9070         * system.h: Poison them.
9071         * doc/tm.texi: Don't discuss them.
9072         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
9073         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
9074         (pp_c_char): Do not attempt to generate letter escapes for
9075         newline, tab, etc.
9076         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
9077         * config/mips/mips.c (mips_output_ascii): Likewise.
9078
9079 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
9080
9081         PR tree-optimization/19951
9082         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
9083         is abnormal.
9084
9085 2005-02-19  Steven Bosscher  <stevenb@suse.de>
9086
9087         PR middle-end/19698
9088         * function.h (struct function): New field `max_loop_depth'.
9089         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
9090         (flow_loops_find): Reset the max loop depth count before finding loops.
9091         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
9092         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
9093         (calculate_global_regs_live): Make sure the loop will terminate
9094         when the initial sets are not empty.
9095
9096 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
9097
9098         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
9099         object inside.
9100         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
9101
9102 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
9103
9104         PR other/19525
9105         * doc/invoke.texi: Remove documentation of %M spec.
9106         * gcc.c: Likewise.
9107         (init_spec): Remove %M suffix from -lgcc_s.
9108         (do_spec_1): Remove 'M' case.
9109         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
9110         to put shared libraries in the multilib directory.  Remove the
9111         shlib_so_soname substitution variable.  Don't add a multilib encoding
9112         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
9113         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
9114         SHLIB_INSTALL as well as SHLIB_LINK.
9115         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
9116         (SHLIB_NAME): Delete.
9117         (SHLIB_DIR): New macro.
9118         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
9119         (SHLIB_INSTALL): Adjust accordingly.
9120         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
9121         * config/t-slibgcc-sld: Likewise.
9122         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
9123         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
9124         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
9125         in $(SHLIB_DIR).
9126         (SHLIBUNWIND_INSTALL): Adjust accordingly.
9127         * config/i386/t-nwld (SHLIB_SONAME): Delete.
9128         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
9129         Use @shlib_base_name@ instead of @shlib_so_name@.
9130         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
9131         and @shlib_base_name@.so in @multilib_dir@.
9132         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
9133         to the install path.
9134         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
9135         (SHLIB_LINK): Remove previous workaround.
9136         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
9137         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
9138         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
9139         the install path.
9140         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
9141         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
9142         (SHLIB_INSTALL): Adjust accordingly.
9143         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
9144         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
9145         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
9146         config/t-slibgcc-elf-ver.
9147
9148 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
9149             Jakub Jelinek  <jakub@redhat.com>
9150
9151         PR tree-optimization/19828
9152         * tree-ssa-loop-im.c: Add a TODO comment.
9153         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
9154         without side-effects.
9155
9156 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9157
9158         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
9159         call fold_convert.
9160
9161 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
9162
9163         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
9164         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
9165         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
9166         functions.
9167         (ia64_reorg): Delete fixup_errata call.
9168         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
9169         (TARGET_SWITCHES): Delete -mb-step entry.
9170
9171 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
9172
9173         PR c/20043
9174         * c-typeck.c (composite_type): Handle quals in transparent unions.
9175         (type_lists_compatible_p): Likewise.
9176
9177 2005-02-18  Stan Shebs  <shebs@apple.com>
9178
9179         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
9180         expressions in the .literal8 section.
9181
9182 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
9183
9184         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
9185
9186 2005-02-18  Roger Sayle  <roger@eyesopen.com>
9187
9188         * fold-const.c (constant_boolean_node): Always create values of the
9189         specified type, don't bother calling truthvalue_conversion.
9190
9191 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9192
9193         * except.c (output_function_exception_table): Call
9194         assemble_external_libcall (eh_personality_libfunc).
9195
9196 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9197
9198         PR target/19886
9199         * config/ia64/ia64.h (struct machine_function): Add state_num.
9200         * config/ia64/ia64.c (process_epilogue,
9201         process_for_unwind_directive): Use new unwind state numbers each
9202         time rather than state 1.
9203
9204 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
9205
9206         PR target/20054
9207         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
9208         before the "*llgt_didi" pattern.
9209
9210 2005-02-18  Jason Merrill  <jason@redhat.com>
9211
9212         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
9213
9214 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
9215
9216         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
9217         (div0): Use it in place of ARM_FUNC_ALIAS.
9218         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
9219
9220 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
9221
9222         PR middle-end/20030
9223         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
9224         access, the lower bound of the array type if it exists.
9225
9226 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
9227
9228         PR c++/20008
9229         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
9230         cases that are out-of-range for the index type.
9231
9232 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9233
9234         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
9235         (estimate_case_costs): Don't call convert.
9236         * expmed.c (expand_shift): Likewise.
9237         (make_tree): Call fold_convert instead of convert.
9238
9239 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9240
9241         PR c++/19813
9242         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9243         that ref to be marked MEM_READONLY_P doesn't have base that needs
9244         constructing.
9245
9246 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9247
9248         * genautomata.c (output_get_cpu_unit_code_func,
9249         output_cpu_unit_reservation_p): Don't generate old-style function
9250         definitions.
9251
9252 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9253
9254         PR c++/20023
9255         PR tree-optimization/20009
9256         * convert.c (convert_to_integer): Revert 2005-02-16 change.
9257
9258         PR tree-optimization/18947
9259         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9260         inline, remove all nodes that are inlined into the extern inline
9261         being redefined.
9262
9263 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9264
9265         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9266         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9267         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9268         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9269         Update copyright.
9270
9271 2005-02-17  Roger Sayle  <roger@eyesopen.com>
9272
9273         PR tree-optimization/19917
9274         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9275         to be potentially trapping.
9276
9277 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9278
9279         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9280
9281 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9282
9283         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9284         tem becomes a local variable which is set to the value of the
9285         back end defined INITIAL_FRAME_ADDRESS macro.
9286         (expand_builtin_frame_address): Omit the base parameter to
9287         expand_builtin_return_addr.
9288         (expand_builtin_profile_func): Likewise.
9289         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9290         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9291         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9292
9293 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
9294
9295         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9296         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9297         * config/frv/frv.c (frv_function_epilogue): Likewise.
9298
9299 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
9300
9301         * lambda-code (perfect_nestify): Remove mark/unmark
9302         for rewriting hack.
9303         * tree-loop-linear.c (linear_transform_loops): Add
9304         rewrite_into_ssa call so that ssa is correct for
9305         rewriting into loop closed.
9306
9307 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
9308
9309         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9310         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9311         BITMAP_FREE.
9312         * bt-load.c (btr_def_live_range, combine_btr_defs,
9313         migrate_btr_def, migrate_btr_defs): Likewise.
9314         * cfgcleanup.c (thread_jump): Likewise.
9315         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9316         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9317         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9318         df_rd_local_compute, df_reg_info_compute): Likewise.
9319         * dominance.c (init_dom_info, free_dom_info): Likewise.
9320         * flow.c (init_propagate_block_info,
9321         free_propagate_block_info): Likewise.
9322         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9323         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9324         modify_reg_pav): Likewise.
9325         * loop-invariant.c (find_defs, find_invariant_insn,
9326         find_invariants, free_inv_motion_data): Likewise.
9327         * predict.c (tree_predict_by_opcode,
9328         estimate_bb_frequencies): Likewise.
9329         * stmt.c (expand_case): Likewise.
9330         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9331         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9332         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9333         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9334         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9335         rewrite_ssa_into_ssa): Likewise.
9336         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9337         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9338         analyze_edges_for_bb, perform_edge_inserts): Likewise.
9339         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9340         * tree-sra.c (tree_sra): Likewise.
9341         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9342         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9343         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9344         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9345         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9346         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9347         Likewise.
9348         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9349         calculate_live_on_entry, calculate_live_on_exit,
9350         build_tree_conflict_graph): Likewise.
9351         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9352         record_important_candidates, set_use_iv_cost, find_depends,
9353         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9354         tree_ssa_iv_optimize_finalize): Likewise.
9355         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9356         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9357         tree_duplicate_loop_to_header_edge): Likewise.
9358         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9359         * tree-ssa.c (verify_flow_insensitive_alias_info,
9360         verify_name_tags, verify_ssa, init_tree_ssa,
9361         delete_tree_ssa): Likewise.
9362         * tree-ssanames.c (marked_ssa_names, init_ssanames,
9363         fini_ssanames): Likewise.
9364         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9365
9366 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
9367
9368         * config/rs6000/t-rtems: Completely reworked.
9369
9370 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9371
9372         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9373
9374 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9375
9376         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9377         POINTER_TYPE_P when checking that type is a pointer.
9378         (vect_get_memtag): Remove.
9379         (vect_address_analysis): Use POINTER_TYPE_P. Call
9380         vect_object_analysis with dummy parameter for memtag.
9381         (vect_object_analysis): Extract memtag (functionality that
9382         used to be in vect_get_memtag and moved here). Fix printings.
9383         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9384         with correct parameters. Remove call to vect_get_memtag.
9385
9386 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
9387
9388         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9389         (tree-vectorizer.o): Added missing dependencies.
9390
9391         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9392         decleration.
9393         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9394         declaration in tree-vectorizer.c, now has an extern declaration in
9395         tree-vectorizer.h).
9396         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9397         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9398         get_vectype_for_scalar_type, vect_is_simple_use,
9399         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9400         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9401         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9402         vectorizable_store, vectorizable_operation, vectorizable_assignment,
9403         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9404         find_loop_location): Likewise.
9405
9406         * tree-vectorizer.c (langhooks.h): #include removed.
9407         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9408         moved to tree-vectorized.h.
9409         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9410         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9411         get_vectype_for_scalar_type, vect_is_simple_use,
9412         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9413         vect_supportable_dr_alignment, new_loop_vec_info,
9414         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9415         vect_set_verbosity_level, find_loop_location): Likewise.
9416
9417         (vect_analyze_loop): Function externalized. Declaration moved to
9418         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9419         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9420         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9421         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9422         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9423         vect_enhance_data_refs_alignment, vect_analyze_operations,
9424         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9425         vect_stmt_relevant_p, vect_get_loop_niters,
9426         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9427         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9428         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9429         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9430         vect_get_memtag): Likewise.
9431
9432         (vectorizable_load): Function externalized. Declaration moved to
9433         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9434         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9435         vect_transform_loop): Likewise.
9436         (vect_transform_stmt): Moved to tree-vect-transform.c.
9437         (vect_align_data_ref, vect_create_destination_var,
9438         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9439         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9440         vect_get_vec_def_for_operand, vect_init_vector,
9441         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9442         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9443         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9444         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9445         vect_do_peeling_for_loop_bound): Likewise.
9446
9447         * tree-vect-analyze.c: New file.
9448         * tree-vect-transform.c: New file.
9449
9450 2005-02-17  Jason Merrill  <jason@redhat.com>
9451
9452         PR mudflap/19319, c++/19317
9453         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9454         slot explicit.
9455
9456 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
9457
9458         * doc/install.texi (Specific): Update link for Darwin-specific
9459         tool binary site.
9460
9461 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
9462
9463         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9464         constant_boolean_node.
9465
9466 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
9467
9468         PR target/19019
9469         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9470         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9471
9472 2005-02-16  Richard Henderson  <rth@redhat.com>
9473
9474         PR 19920
9475         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9476         with W_TYPE_SIZE.
9477         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9478         replace uses with Wtype_MAXp1_F.
9479         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9480         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9481         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9482         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9483         and HAVE_TFMODE as appropriate.
9484         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9485         (__floatdisf): Likewise.
9486         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9487         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9488         (Wtype_MAXp1_F): New.
9489         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9490         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9491
9492 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
9493
9494         * PR target/19162
9495         * arm.c (arm_apply_result_size): New function.
9496         * arm.h (APPLY_RESULT_SIZE): Define.
9497         * arm-protos.h (arm_apply_result_size): Add prototype.
9498         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9499         (movxf): New expand.
9500         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9501         (call_value_symbol): Remove predicate for operand 0.
9502         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9503         (untyped_call): Rework to correclty return values for any type.
9504         (untyped_return): New expand.
9505         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9506
9507 2005-02-16  Stan Shebs  <shebs@apple.com>
9508
9509         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9510         * config/rs6000/t-darwin8: New, for 64-bit multilib.
9511
9512 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9513
9514         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9515         configure settings on Solaris 7 and later.
9516
9517 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
9518
9519         PR tree-optimization/19865
9520         * tree-optimize.c (init_tree_optimization_passes): Run
9521         pass_may_alias after pass_sra.
9522
9523 2005-02-16  Richard Henderson  <rth@redhat.com>
9524             Stuart Hastings  <stuart@apple.com>
9525
9526         PR debug/19521
9527         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9528         Do nothing if debug info suppressed for this function.
9529         (dbxout_begin_function): Early exit if debug info suppressed for
9530         this function.
9531
9532 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9533
9534         PR target/20007
9535         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9536         find_basic_blocks.
9537         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9538
9539         PR tree-optimization/19967
9540         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9541         expand_builtin_strchr, expand_builtin_strrchr): Take a new
9542         argument TYPE.  Adjust calls to fold_builtin_XXX.
9543         (expand_builtin, fold_builtin_1): Adjust calls to
9544         expand_builtin_XXX.
9545         (fold_builtin_strchr, fold_builtin_strpbrk,
9546         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9547         result to a requested type TYPE.
9548
9549 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
9550
9551         PR middle-end/19857
9552         * fold-const.c (fold): Don't optimize (T)(x & cst) to
9553         (T)x & (T)cst if (T)cst overflows.
9554         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9555         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9556
9557 2005-02-15  Jeff Law  <law@redhat.com>
9558
9559         * gcse.c (blocks_with_calls): New bitmap.
9560         (alloc_gcse_mem): Allocate it.
9561         (free_gcse_mem): Free it.
9562         (clear_modifY_mem_tables): Clear it.
9563         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9564         when we encounter CALL_INSNs.
9565         (compute_transp, case MEM): Handle blocks with calls separate
9566         from blocks without calls.  Use bitmap iterators rather than
9567         FOR_EACH_BB.
9568
9569 2005-02-15  Peter O'Gorman  <peter@pogma.com>
9570
9571         PR bootstrap/18810
9572         * mklibgcc.in (vis_hide): Use a temporary object file, not
9573         -o /dev/null.
9574
9575 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9576
9577         PR target/19924
9578         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9579         access optimization.
9580
9581 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
9582             Alan Modra  <amodra@bigpond.net.au>
9583
9584         PR target/19019
9585         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9586         (_xlqsub): Rename to __gcc_qsub.
9587         (_xlqmul): Rename to __gcc_qmul.
9588         (_xlqdiv): Rename to __gcc_qdiv.
9589         Provide versioned symbol aliases with old names.
9590         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9591         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9592         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9593         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9594         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9595
9596 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9597
9598         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
9599         Fold ~(A - 1) and ~(A + -1) to -A.
9600
9601 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9602
9603         PR pch/14940
9604         PR target/19300
9605         * config/host-linux.c (linux_gt_pch_use_address): Copy from
9606         config/pa/pa-host.c:pa_gt_pch_use_address.
9607
9608 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
9609
9610         * tree-vn.c (get_value_handle): Make sure that given an
9611         is_gimple_min_invariant expression, we always return it.
9612
9613 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9614
9615         * passes.c (rest_of_handle_gcse): Fix a comment.
9616
9617 2005-02-15  Jeff Law  <law@redhat.com>
9618
9619         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9620         bitmap.
9621         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9622         (canon_list_insert, record_last_mem_set_info): Similarly.
9623         (clear_modify_mem_tables): Similarly.
9624
9625 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9626
9627         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9628         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9629         config/mips/mips.md, config/rs6000/aix.h,
9630         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9631
9632 2005-02-15  Richard Henderson  <rth@redhat.com>
9633
9634         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9635         call to be best_edge.
9636
9637 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9638
9639         * basic-block.h: Adjust the prototype for find_basic_blocks.
9640         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9641         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9642         find_basic_blocks.
9643
9644         * flow.c (recompute_reg_usage): Remove all arguments.
9645         * passes.c (rest_of_compilation): Adjust the call to
9646         recompute_reg_usage.
9647         * rtl.h: Adjust the prototype for recompute_reg_usage.
9648
9649 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
9650
9651         * tree-dump.c (dump_files): Update to reflect new member
9652         of dump_file_info.
9653         (dump_register): Add new argument.
9654         Set glob name.
9655         (dump_switch_p_1): Check against glob name if doglob was passed.
9656         (dump_switch_p): Check against regular first, then glob if
9657         we didn't have any hits on the dump name.
9658         * tree-optimize.c (register_one_dump_file):
9659         Pass in glob name as well.
9660         * tree-pass.h (struct dump_file_info): Add glob
9661         member.
9662
9663 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
9664
9665         PR preprocessor/16323
9666         * doc/invoke.texi: Document that -Wendif-labels is on by default.
9667
9668 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
9669
9670         PR target/19019
9671         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9672         (trunctfdf2_internal1): New.
9673         (trunctfdf2_internal2): Renamed from trunctfdf2.
9674
9675 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
9676
9677         PR tree-optimization/19853
9678         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9679
9680 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9681
9682         * passes.c (rest_of_handle_loop_optimize): Remove calls to
9683         delete_dead_jumptables and cleanup_cfg.
9684
9685 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
9686
9687         * reload.c (find_reloads): Swap address_reloaded flags when
9688         swapping commutative operands.
9689
9690 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
9691
9692         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9693         Use standard_iv_increment_position for computing the bsi position
9694         for create_iv.
9695         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9696         the bsi position.
9697
9698 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
9699
9700         PR target/17428
9701         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9702         life range of hard registers.
9703         * value-prof.c (insn_prefetch_values_to_profile): Only
9704         scan normal insns.
9705
9706         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9707         profile in libcalls.
9708
9709 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
9710
9711         * bitmap.h (bitmap_and_compl_into): Return bool.
9712         * bitmap.c (bitmap_and_compl_into): Return changed flag.
9713
9714 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9715
9716         PR tree-optimization/19944
9717         * fold-const.c (fold): Re-add ABS_EXPR folding.
9718
9719 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
9720
9721         PR target/19019
9722         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9723         {TARGET,MASK}_XL_COMPAT.
9724         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
9725         MASK_XL_COMPAT.
9726         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9727         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9728         TARGET_XL_COMPAT.
9729         (rs6000_arg_partial_bytes): Same.
9730         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9731         and XL compatibility enabled.
9732         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9733         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9734         test to final condition.
9735         (cmptf_internal2): New.
9736         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9737         xl-compat.  Add TFmode information to description.
9738
9739 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
9740
9741         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9742
9743 2005-02-13  Jason Merrill  <jason@redhat.com>
9744
9745         PR c++/16405
9746         * fold-const.c (fold_indirect_ref_1): Split out from...
9747         (build_fold_indirect_ref): Here.
9748         (fold_indirect_ref): New fn.
9749         * tree.h: Declare it.
9750         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9751         (gimplify_modify_expr_rhs): Likewise.
9752         (gimplify_expr): Likewise.
9753
9754 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9755
9756         PR tree-optimization/14303
9757         PR tree-optimization/15784
9758         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9759         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
9760         ABS_EXPR<x> != 0 to x != 0.
9761
9762 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
9763
9764         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9765         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
9766         spelling conventions.
9767
9768         * passes.c (rest_of_handle_gcse): Don't run cse_main and
9769         delete_trivially_dead_insns too many times.
9770
9771         * passes.c (rest_of_handle_gcse): Remove dead assignments to
9772         tem and tem2.
9773
9774 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9775
9776         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9777         (vect_is_simple_iv_evolution): Remove redundant parameter
9778         and step check.
9779         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9780         without last parameter.
9781         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9782         Return pointer step. Call vect_is_simple_iv_evolution without
9783         last parameter. Check only that the step is multiple of size
9784         type. Remove stmt_vinfo updates.
9785         (vect_get_memtag_and_dr): Remove.
9786         (vect_get_memtag): New function.
9787         (vect_address_analysis): New function.
9788         (vect_object_analysis): New function.
9789         (vect_analyze_data_refs): Call vect_object_analysis and
9790         vect_get_memtag. Update stmt_vinfo fields.
9791
9792 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9793
9794         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9795         exist and are objects. Remove checks for pointer.
9796         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9797         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9798         (vect_create_data_ref_ptr): Likewise.
9799         (vect_base_addr_differ_p): New function.
9800         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9801         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9802         Don't set the DR_BASE_NAME field of data-ref.
9803         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9804
9805 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
9806
9807         * optabs.h (enum optab_index): Add new OTI_ldexp.
9808         (ldexp_optab): Define corresponding macro.
9809         * optabs.c (init_optabs): Initialize ldexp_optab.
9810         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9811         patterns.
9812         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9813         using ldexp_optab.
9814         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9815         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9816
9817         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9818         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9819         intrinsics.
9820
9821 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9822
9823         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9824         to base_address.
9825         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9826         stmt_vec_info.
9827         (vect_get_base_and_offset): Always return an address.
9828         (vect_create_addr_base_for_vector_ref): Remove treatment for
9829         different data reference types.
9830         (vect_compute_data_ref_alignment): Rename base to base_address in
9831         stmt_vec_info. Get the object in order to force its alignment.
9832         (vect_get_memtag_and_dr): Rename base to base_address in
9833         stmt_vec_info. Extract the object for memtag analysis.
9834
9835 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
9836
9837         PR regression/19898.
9838         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9839         changes cc_status, use apply modified_in_p to part of cc_status
9840         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9841         body.
9842
9843 2005-02-11  Richard Henderson  <rth@redhat.com>
9844
9845         * tree-complex.c (expand_complex_libcall): New.
9846         (expand_complex_multiplication): Use it for c99 compliance.
9847         (expand_complex_division): Likewise.
9848         * fold-const.c (fold_complex_add, fold_complex_mult): New.
9849         (fold): Call them.
9850         * builtins.c (built_in_names): Remove const.
9851         * tree.c (build_common_builtin_nodes): Build complex arithmetic
9852         builtins.
9853         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9854         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9855         (built_in_names): Remove const.
9856         * c-common.c (c_common_type_for_mode): Handle complex modes.
9857         * flags.h, toplev.c (flag_complex_method): Rename from
9858         flag_complex_divide_method.
9859         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9860         __mulsc3, __muldc3, __mulxc3, __multc3): New.
9861         * libgcc2.h: Declare them.
9862         * libgcc-std.ver: Export them.
9863         * mklibgcc.in (lib2funcs): Build them.
9864
9865 2005-02-11  Steven Bosscher  <stevenb@suse.de>
9866
9867         PR tree-optimization/19876
9868         Partially revert my change from 2005-01-14
9869         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9870         (compute_antic): ...and remove the loop here.
9871
9872 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
9873
9874         PR middle-end/19858
9875         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9876         is number of inner's bits, avoid creating a BIT_FIELD_REF.
9877
9878         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
9879         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
9880
9881 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
9882
9883         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
9884         offsets for the big-endian 32-bit case.
9885
9886 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
9887
9888         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
9889
9890 2005-02-11  Dale Johannesen  <dalej@apple.com>
9891
9892         * cselib.c (cselib_process_insn):  Clear out regs where
9893         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
9894         * reload.c (find_equiv_reg): Ditto.
9895
9896 2005-02-11  Ian Lance Taylor  <ian@airs.com>
9897
9898         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
9899         with no elements.
9900
9901         * tree.c (build_function_type_list): Work correctly if there are
9902         no arguments.
9903
9904 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
9905
9906         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
9907         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
9908         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
9909         TARGET_ZARCH instead of TARGET_64BIT.
9910
9911 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
9912
9913         * config/rs6000/t-rtems:
9914         (MULTILIB_OPTIONS): Remove mcpu=602.
9915         (MUTLILIB_DIRNAMES): Remove m602.
9916         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
9917         Let mcpu=602 match mcpu=603.
9918         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
9919
9920 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9921
9922         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
9923         signal trampolines.
9924
9925 2005-02-10  David Daney  <ddaney@avtrex.com>
9926
9927         * config/alpha/linux-unwind.h: Add exception clause to copyright.
9928         * config/i386/linux-unwind.h: Likewise.
9929         * config/ia64/linux-unwind.h: Likewise.
9930         * config/mips/linux-unwind.h: Likewise.
9931         * config/pa/linux-unwind.h: Likewise.
9932         * config/rs6000/linux-unwind.h: Likewise.
9933         * config/s390/linux-unwind.h: Likewise.
9934         * config/sh/linux-unwind.h: Likewise.
9935         * config/sparc/linux-unwind.h: Likewise.
9936
9937 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9938
9939         PR tree-optimization/17549
9940         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
9941         TER to replace a DEF with its expression if the DEF and the
9942         rhs of the expression we replace into have the same root
9943         variable.
9944
9945 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
9946
9947         * config/mips/mips.md: Fix the placement of the match_scratch in the
9948         lea64 peephole2.
9949
9950 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9951
9952         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
9953         Fix comment typos.
9954
9955 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
9956
9957         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
9958         (strip_offset): Handle addresses.
9959         (add_address_candidates): Use strip_offset.
9960         (difference_cost): Reflect strip_offset change.
9961         (force_var_cost, difference_cost): Strip nops.
9962
9963 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9964
9965         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
9966
9967         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
9968         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
9969         config/cris/cris-protos.h, config/cris/cris.c: Update
9970         copyright.
9971
9972 2005-02-10  Jeff Law  <law@redhat.com>
9973
9974         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
9975         (lookup_avail_expr): Similarly.
9976
9977 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
9978
9979         * builtins.c (fold_builtin_powi): New function.
9980         (fold_builtin_1): Call it.
9981
9982 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9983
9984         PR documentation/19309
9985         * doc/cpp.texi: The __GNUC__ and related predefined macros
9986         are also defined for the "standalone" cpp.
9987         Some non-GCC compilers may also define __GNUC__.
9988
9989 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
9990
9991         PR c/19342
9992         * c-typeck.c (common_type): New routine.  Old common_type renamed
9993         to...
9994         (c_common_type): ...this.
9995         (build_conditional_expr, build_binary_op): Use c_common_type instead
9996         of common_type.
9997
9998 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9999
10000         * doc/md.texi: Replace @samp{length} with @code{length}.
10001
10002 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10003
10004         PR tree-optimization/18687
10005         * tree-flow.h (find_loop_niter): Declare.
10006         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
10007         Try using scev even for loops with more than one exit.
10008         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
10009         (struct ivopts_data): Added niters field.
10010         (struct nfe_cache_elt): New.
10011         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
10012         functions.
10013         (tree_ssa_iv_optimize_init): Initialize niters cache.
10014         (determine_number_of_iterations): Removed.
10015         (find_induction_variables): Do not call determine_number_of_iterations.
10016         Access niters for single exit through niter_for_single_dom_exit.
10017         (add_iv_outer_candidates): Access niters for single exit through
10018         niter_for_single_dom_exit.
10019         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
10020         number_of_iterations_cond.
10021         (iv_period): New function.
10022         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
10023         (may_replace_final_value): Take data argument.  Use
10024         niter_for_single_dom_exit.
10025         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
10026         (rewrite_use_compare): Pass data to may_eliminate_iv.
10027         (rewrite_use_outer): Pass data to may_replace_final_value.
10028         (free_loop_data): Clean up the niters cache.
10029         (tree_ssa_iv_optimize_finalize): Free the niters cache.
10030         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
10031         * tree-ssa-loop-niter.c (find_loop_niter): New function.
10032         (find_loop_niter_by_eval): Use tree_int_cst_lt.
10033         (num_ending_zeros): Moved to tree.c.
10034         * tree.h (num_ending_zeros): Declare.
10035         * tree.c (num_ending_zeros): Moved from tree.c.
10036
10037 2005-02-09  Richard Henderson  <rth@redhat.com>
10038
10039         * builtins.c (DEF_BUILTIN): Add COND argument.
10040         * tree.h (DEF_BUILTIN): Likewise.
10041         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
10042         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
10043         match.
10044         (DEF_BUILTIN_STUB): New.
10045         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
10046         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
10047         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
10048         * c-common.c (DEF_BUILTIN): Add COND argument.
10049         * tree.c (local_define_builtin): New.
10050         (build_common_builtin_nodes): New.
10051
10052 2005-02-09  Roger Sayle  <roger@eyesopen.com>
10053
10054         * fold-const.c (fold_strip_sign_ops): New function to simplify a
10055         floating point expression ignoring the sign of the result.
10056         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
10057         (fold) <MULT_EXPR>: Use it to simplify x*x.
10058         * tree.h (fold_strip_sign_ops): Prototype here.
10059         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
10060         argument.  Use fold_strip_sign_ops to simplify the first argument.
10061         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
10062         first argument when the second argument is an even integer
10063         constant, but only with -funsafe_math_optimizations.
10064         (fold_builtin_1): Update call to fold_builtin_copysign.
10065
10066 2005-02-09  Ian Lance Taylor  <ian@airs.com>
10067
10068         PR middle-end/19583
10069         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
10070         just check whether EH_FILTER_FAILURE falls through.
10071
10072 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
10073
10074         * gcc/haifa-sched.c (schedule_block): Make queued sched group
10075         insns return to ready list in the next turn.
10076
10077 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
10078
10079         PR middle-end/19402
10080         * builtins.def: New __builtin_powi[lf].
10081         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
10082         (expand_builtin_powi): New function.
10083         (expand_builtin): Dispatch to expand_builtin_powi.
10084         * libgcc2.h: Add prototypes for __builtin_powi[lf].
10085         * libgcc2.c: Add __builtin_powi[lf] implementation.
10086         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
10087         * optabs.h: Add powi_optab.
10088         * optabs.c (init_optabs): Initialize powi_optab.
10089         * doc/extend.texi: Document __builtin_powi[lf].
10090
10091 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
10092
10093         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
10094         exists.
10095
10096 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
10097
10098         PR middle-end/19854
10099         * fold-const.c (try_move_mult_to_index): Remove redundant
10100         type argument.  Create ADDR_EXPR with correct type.
10101         (fold): Update callers of try_move_mult_to_index.  Convert
10102         result to the appropriate type.
10103
10104 2005-02-09  Roger Sayle  <roger@eyesopen.com>
10105
10106         PR target/19597
10107         * config/avr/avr.c (default_rtx_costs): Delete.
10108         (avr_operand_rtx_cost): New function.
10109         (avr_rtx_costs): Completely rewrite.
10110
10111 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
10112
10113         PR target/19806
10114         * config/cris/cris.c (in_code): New variable.
10115         (cris_output_addr_const): Now a static function, a wrapper for
10116         output_addr_const.
10117         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
10118         case from old cris_output_addr_const.
10119         (cris_asm_output_label_ref): Similar for LABEL_REF.
10120         (cris_output_addr_const_extra): Similar for UNSPEC.
10121         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
10122         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
10123         * config/cris/cris-protos.h (cris_output_addr_const): Remove
10124         declaration.
10125         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
10126         (cris_asm_output_label_ref): Declare.
10127
10128 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
10129
10130         PR preprocessor/19801
10131         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
10132         filenames that changed when libcpp was moved to the toplevel.
10133
10134 2005-02-07  Roger Sayle  <roger@eyesopen.com>
10135
10136         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10137         zero extensions of BImode operands.  Call lowpart_subreg instead
10138         of gen_lowpart_common and gen_lowpart_SUBREG.
10139
10140 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
10141
10142         PR ada/19489
10143         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
10144         * configure.ac: Set cc_for_cross_gnattools.
10145         * configure: Regenerate.
10146
10147 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
10148
10149         PR target/19803
10150         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
10151
10152 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10153
10154         PR debug/19327
10155         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
10156         of nested functions.
10157
10158 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
10159
10160         * doc/extend.texi: Document deprecated extensions allowing
10161         static floating-point members to have initializers and allowing
10162         floating-point literals in integral constant expressions.
10163
10164 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10165
10166         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
10167         config/darwin7.h, config/mips/mips.c,
10168         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
10169         Update copyright.
10170
10171         * cse.c: Update comments.
10172
10173 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
10174
10175         PR middle-end/19775
10176         * builtins.c (fold_builtin_sqrt): Transform
10177         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
10178         pow(x,y*0.5).
10179
10180 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
10181             Dorit Naishlos  <dorit@il.ibm.com>
10182
10183         * doc/invoke.texi (ftree-vectorizer-verbose): New.
10184         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
10185         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
10186         was added.
10187         * tree.h (vect_set_verbosity_level): New extern function declaration
10188         added.
10189         * tree-vectorizer.h (verbosity_levels): New enum type.
10190         * tree-vectorizer.c (vect_debug_stats): Function removed.
10191         (vect_debug_details): Likewise.
10192         (vect_verbosity_level): Global variable was defined and initialized.
10193         (vect_dump): Global variable definition.
10194         (vect_print_dump_info): New function.
10195         (vect_set_dump_settings): New function.
10196         (vect_set_verbosity_level): New function.
10197         (vectorize_loops): Add call to vect_set_dump_settings.
10198
10199         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
10200         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10201         (slpeel_tree_peel_loop_to_edge): Likewise.
10202
10203         (vect_analyze_offset_expr): Call to vect_print_dump_info with
10204         appropriate verbosity level instead of call to vect_debug_details
10205         or vect_debug_stats.
10206         (vect_get_base_and_offset):
10207         (vect_create_addr_base_for_vector_ref):
10208         (get_vectype_for_scalar_type):
10209         (vect_create_data_ref_ptr):
10210         (vect_init_vector):
10211         (vect_get_vec_def_for_operand):
10212         (vect_finish_stmt_generation):
10213         (vectorizable_assignment):
10214         (vectorizable_operation):
10215         (vectorizable_store):
10216         (vectorizable_load):
10217         (vect_transform_stmt):
10218         (vect_update_ivs_after_vectorizer):
10219         (vect_do_peeling_for_loop_bound):
10220         (vect_update_inits_of_drs):
10221         (vect_do_peeling_for_alignment):
10222         (vect_transform_loop):
10223         (vect_is_simple_use):
10224         (vect_analyze_operations):
10225         (vect_is_simple_iv_evolution):
10226         (vect_analyze_scalar_cycles):
10227         (vect_analyze_data_ref_dependence):
10228         (vect_analyze_data_ref_dependences):
10229         (vect_compute_data_ref_alignment):
10230         (vect_enhance_data_refs_alignment):
10231         (vect_analyze_data_refs_alignment):
10232         (vect_analyze_data_ref_access):
10233         (vect_analyze_data_ref_accesses):
10234         (vect_analyze_pointer_ref_access):
10235         (vect_get_memtag_and_dr):
10236         (vect_analyze_data_refs):
10237         (vect_mark_relevant):
10238         (vect_stmt_relevant_p):
10239         (vect_mark_stmts_to_be_vectorized):
10240         (vect_can_advance_ivs_p):
10241         (vect_get_loop_niters):
10242         (vect_analyze_loop_form):
10243         (vect_analyze_loop):
10244         (vectorize_loops): Likewise.
10245
10246         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10247         (vect_update_inits_of_drs):
10248         (vect_do_peeling_for_alignment):
10249         (vect_transform_loop):
10250         (vect_analyze_operations):
10251         (vect_analyze_scalar_cycles):
10252         (vect_analyze_data_ref_dependences):
10253         (vect_analyze_data_refs_alignment):
10254         (vect_analyze_data_ref_accesses):
10255         (vect_analyze_data_refs):
10256         (vect_mark_stmts_to_be_vectorized):
10257         (vect_get_loop_niters):
10258         (vect_analyze_loop_form):
10259         (vect_analyze_loop): Likewise.
10260         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10261
10262 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
10263
10264         PR bootstrap/19796
10265         Revert:
10266         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10267         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10268         either -ffast-math or -funsafe-math-optimizations is in use.
10269
10270         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10271         * config/mips/irix-csr.c: New file.
10272         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10273         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10274         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10275         executables.
10276
10277 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
10278
10279         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10280         redundant, incorrect definitions.
10281
10282         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10283         expand.
10284         ("*tls_indirect_call"): New, reference hard regs directly.
10285         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10286
10287 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10288
10289         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10290         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10291
10292 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10293
10294         PR rtl-optimization/19800
10295         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10296         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10297         gen_lowpart.
10298
10299 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10300
10301         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10302
10303 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
10304
10305         PR other/17135
10306         * doc/invoke.texi: Correct documentation of -freorder-functions.
10307
10308 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10309
10310         PR other/14402
10311         * doc/invoke.texi: Don't mention gccbug.
10312
10313 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10314             Andrew Pinski  <pinskia@physics.uc.edu>
10315             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
10316
10317         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10318         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10319         into just (zero_extract:SI FOO (const_int 1) BAR).
10320
10321 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10322
10323         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
10324         macro locally.  Don't give last revision date.  Use GCC version
10325         number from gcc-common.texi.
10326         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
10327         revision date.  Use GCC version number from gcc-common.texi.
10328         Describe being a library as current state rather than as 3.x
10329         history.
10330         * doc/gcc.texi: Remove last update date.
10331         * doc/gccint.texi: Likewise.  Update copyright dates.
10332         * doc/install.texi: Update copyright dates.
10333
10334 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10335
10336         PR other/7549
10337         * doc/invoke.texi: Mention for each option included in -Wall that
10338         it is included in -Wall.
10339         * doc/gcc.texi: Update copyright and last modification date.
10340
10341 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10342
10343         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10344         unnecessary cast to original induction variable increments.
10345
10346 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10347
10348         PR tree-optimization/18219
10349         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10350         in distributed form.
10351
10352 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
10353
10354         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10355         Set bitpos and offset later in the function.  Do nothing if the
10356         target is a register and if the bitfield lies completely outside
10357         that register.
10358         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10359         here.  Return an uninitialised register if the source value is stored
10360         in a register and the bitfield lies completely outside that register.
10361
10362 2005-02-06  Steven Bosscher  <stevenb@suse.de>
10363
10364         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10365         not SET_DEST.
10366
10367 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
10368
10369         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10370
10371 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
10372
10373         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10374         * config/darwin8.h: New.
10375         * config/darwin7.h: Update comment.
10376
10377 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10378             Dorit Naishlos  <dorit@il.ibm.com>
10379
10380         * tree-vectorizer.h (LOC): New type.
10381         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10382         (loop_line_number): New field in struct _loop_vec_info.
10383         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10384
10385         * tree-vectorizer.c (input.h): Included.
10386         (find_loop_location): New function.
10387         (vect_debug_stats): Argument changed from loop to LOC. Computation of
10388         loop line number removed.
10389         (vect_debug_details): Likewise.
10390         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10391
10392         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10393         call to vect_debug_details/stats changed from loop to loop_loc.
10394         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10395         (slpeel_tree_peel_loop_to_edge): Likewise.
10396
10397         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10398         changed from NULL to UNKNOWN_LOC.
10399         (vect_get_base_and_offset):
10400         (vect_create_addr_base_for_vector_ref):
10401         (get_vectype_for_scalar_type):
10402         (vect_create_data_ref_ptr):
10403         (vect_init_vector):
10404         (vect_get_vec_def_for_operand):
10405         (vect_finish_stmt_generation):
10406         (vectorizable_assignment):
10407         (vectorizable_operation):
10408         (vectorizable_store):
10409         (vectorizable_load):
10410         (vect_transform_stmt):
10411         (vect_update_ivs_after_vectorizer):
10412         (vect_do_peeling_for_loop_bound):
10413         (vect_do_peeling_for_alignment):
10414         (vect_transform_loop):
10415         (vect_is_simple_use):
10416         (vect_analyze_operations):
10417         (vect_is_simple_iv_evolution):
10418         (vect_analyze_scalar_cycles):
10419         (vect_analyze_data_ref_dependences):
10420         (vect_compute_data_ref_alignment):
10421         (vect_enhance_data_refs_alignment):
10422         (vect_analyze_data_ref_access):
10423         (vect_analyze_data_ref_accesses):
10424         (vect_analyze_pointer_ref_access):
10425         (vect_get_memtag_and_dr):
10426         (vect_analyze_data_refs):
10427         (vect_mark_relevant):
10428         (vect_stmt_relevant_p):
10429         (vect_mark_stmts_to_be_vectorized):
10430         (vect_can_advance_ivs_p):
10431         (vect_get_loop_niters):
10432         (vect_analyze_loop):
10433         (vectorize_loops): Likewise.
10434
10435         (vectorizable_load): Argument in call to vect_debug_details/stats
10436         changed from loop to LOOP_LOC (loop_vinfo).
10437         (vect_transform_loop):
10438         (vect_analyze_operations):
10439         (vect_analyze_scalar_cycles):
10440         (vect_analyze_data_ref_dependence):
10441         (vect_enhance_data_refs_alignment):
10442         (vect_analyze_data_ref_accesses):
10443         (vect_analyze_pointer_ref_access):
10444         (vect_analyze_data_refs):
10445         (vect_analyze_loop): Likewise.
10446
10447         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10448         changed from loop to loop_loc.
10449
10450         (vect_enhance_data_refs_alignment): Removed unused variable loop.
10451
10452 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10453             Dorit Naishlos  <dorit@il.ibm.com>
10454
10455         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10456         declaration added.
10457         (vect_analyze_data_ref_dependences): Likewise.
10458
10459         (vect_is_simple_use): Argument changed from loop structure to
10460         loop_vect_info structure.
10461         (vect_can_advance_ivs_p): Likewise.
10462         (vect_create_index_for_vector_ref): Likewise.
10463         (vect_update_ivs_after_vectorizer): Likewise.
10464         (new_stmt_vec_info): Likewise.
10465
10466         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10467         changed from loop to loop_vinfo.
10468         (vect_create_data_ref_ptr): First argument in call to
10469         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10470         (vectorizable_assignment): Second argument in call to vect_is_simple_use
10471         was changed from loop to loop_vinfo.
10472         (vectorizable_operation): Likewise.
10473         (vectorizable_store): Likewise.
10474         (vect_mark_stmts_to_be_vectorized): Likewise.
10475         (vect_do_peeling_for_loop_bound): First argument in call to
10476         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10477         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10478         was changed from loop to loop_vinfo.
10479         (vect_analyze_data_ref_dependences): Third argument in call to
10480         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10481
10482         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10483         (vect_create_data_ref_ptr): Likewise.
10484         (vect_init_vector): Likewise.
10485         (vect_get_vec_def_for_operand): Likewise.
10486         (vectorizable_assignment): Likewise.
10487         (vectorizable_operation): Likewise.
10488         (vectorizable_store): Likewise.
10489         (vectorizable_load): Likewise.
10490         (vect_update_ivs_after_vectorizer): Likewise.
10491         (vect_is_simple_use): Likewise.
10492         (vect_analyze_data_ref_dependence): Likewise.
10493         (vect_analyze_pointer_ref_access): Likewise.
10494         (vect_can_advance_ivs_p): Likewise.
10495
10496         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10497         before _stmt_vec_info.
10498         (_stmt_vec_info): Loop field replaced by loop_vec_info.
10499         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10500         (new_stmt_vec_info): Argument changed from loop structure to
10501         loop_vect_info structure
10502
10503         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10504         (vect_analyze_offset_expr): Avoid 80 columns overflow.
10505         (vect_create_addr_base_for_vector_ref): Likewise.
10506         (vect_analyze_pointer_ref_access): Likewise.
10507
10508 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10509
10510         PR tree-opt/19768
10511         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10512         phi flag if the phi is abnormal.
10513
10514 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10515
10516         PR tree-opt/19736
10517         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10518         information for the new statement.
10519
10520 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10521
10522         PR driver/19117
10523         * gcc.c (main): Include the target in -v output.
10524
10525 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
10526
10527         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10528         Do not drop the extend if we'd have to add a paradoxical subreg
10529         later.  Include optabs.h and insn-codes.h.
10530         * Makefile.in (combine.o): Depend on $(OPTABS_H).
10531
10532 2005-02-02  Roger Sayle  <roger@eyesopen.com>
10533
10534         PR middle-end/19405
10535         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10536         * fold-const.c (const_binop): Avoid constant folding floating
10537         point operations in modes that use composite representations.
10538         * simplify-rtx.c (simplify_binary_operation): Likewise.
10539
10540 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
10541
10542         * config/rs6000/altivec.md (altivec_dst): Make the first operand
10543         a REG, not a MEM.
10544         (altivec_dstt): Likewise.
10545         (altivec_dstst): Likewise.
10546         (altivec_dststt): Likewise.
10547         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10548         of first operand.
10549
10550 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10551
10552         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10553         EXPR_LOCUS from orig_cond to the new cond_stmt.
10554         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10555         the new vec_stmt.
10556
10557 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10558
10559         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10560         standard_iv_increment_position. Remove call to bsi_next
10561         (no need to bump the iterator anymore).
10562         (vect_create_index_for_vector_ref): Call
10563         standard_iv_increment_position. Remove second function argument.
10564         (vect_finish_stmt_generation): Remove call to bsi_next
10565         (no need to bump the iterator anymore).
10566         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10567         to vect_create_index_for_vector_ref.
10568
10569 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10570
10571         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10572         phis are used out of the loop.
10573
10574 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10575
10576         PR c/17807
10577         * c-decl.c (undef_nested_function): New variable.
10578         (pop_scope): Diagnose undefined nested functions.
10579         (finish_function): Don't attempt cgraph processing or genericizing
10580         if current top-level function contained an undefined nested
10581         function.  Reset undef_nested_function at the end of a top-level
10582         function.
10583
10584 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
10585
10586         * tree.c (build_int_cst_type): Take sign of the value into account
10587         when deciding whether sign extend the value.
10588
10589 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10590
10591         PR c/18502
10592         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10593         (cpp_options, cc1_options): Change %{std*&ansi} to
10594         %{std*&ansi&trigraphs}.
10595
10596 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10597
10598         * cse.c: Update comments.
10599
10600 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
10601
10602         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10603         arguments go on the stack.  Do not put complex doubles in odd/even
10604         pairs.
10605
10606 2005-02-02  Steven Bosscher  <stevenb@suse.de>
10607
10608         * doc/invoke.texi: Update the options enabled at -O1, -O2,
10609         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
10610         -ftree-pre, and -fthread-jumps.
10611
10612 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
10613
10614         PR tree-optimization/19578
10615         * tree-flow.h (modified_noreturn_calls): Declare.
10616         (noreturn_call_p): Declare.
10617         * tree-flow-inline.h (noreturn_call_p): New function.
10618         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10619         * tree-cfg.c (modified_noreturn_calls): New variable.
10620         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
10621         that contain a mid-block noreturn call.
10622         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10623
10624 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10625
10626         * df.c (df_def_record_1, df_uses_record): Don't use
10627         DF_FOR_REGALLOC.
10628         * df.h (DF_FOR_REGALLOC): Remove.
10629
10630 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10631
10632         PR c/19435
10633         * c-typeck.c (really_start_incremental_init): Reset
10634         constructor_max_index for arrays of incomplete type.
10635
10636 2005-02-02  Jeff Law  <law@redhat.com>
10637
10638         * gcse.c (struct reg_set): Store the block index where the register
10639         was set rather than the setting insn.
10640         (record_one_set, compute_transp): Corresponding changes.
10641         (pre_insert_copy_insn): Do not call replace_one_set.
10642         (replace_one_set): Remove.
10643
10644 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10645
10646         PR other/15514
10647         * doc/gcov.texi: Fix typo.
10648
10649 2005-02-01  Richard Henderson  <rth@redhat.com
10650
10651         PR target/19680
10652         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10653         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10654         type to bool.
10655         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10656         * config/i386/i386-protos.h: Update.
10657
10658 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10659
10660         PR tree-optimization/19217
10661         * tree-cfg.c (verify_expr): Use the data field to see if TP was
10662         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
10663         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10664         that it is walking a PHI node.
10665
10666 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
10667
10668         * doc/extend.texi (Nested Functions): Update.
10669
10670 2005-02-01  Richard Henderson  <rth@redhat.com>
10671
10672         PR 19696
10673         * optabs.c (expand_copysign_absneg): Export.
10674         * optabs.h (expand_copysign_absneg): Declare.
10675         * config/rs6000/rs6000.md (copysigntf3): New.
10676
10677 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10678
10679         PR tree-optimization/19633
10680         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10681         * tree-ssa-alias.c (init_alias_info): Initialize.
10682         (merge_pointed_to_info): Set.
10683         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10684         (dump_points_to_info_for): Show value of pt_null.
10685         (struct count_ptr_d): Declare.
10686         (find_ptr_dereference): Remove.
10687         (ptr_is_dereferenced_by): Remove.
10688         (count_ptr_derefs): New local function.
10689         (count_uses_and_derefs): New local function.
10690         (compute_points_to_and_addr_escape): Call it.  If the number
10691         of dereferences is greater than zero, mark the pointer as
10692         dereferenced.  If there are fewer dereferences than uses of
10693         the pointer, the pointer's value escapes.
10694
10695 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10696
10697         PR tree-optimization/19670
10698         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10699         here...
10700         (verify_use): ... set it here, instead.
10701
10702 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
10703
10704         * doc/sourcebuild.texi (Test directives): Fix formatting.
10705
10706         * doc/sourcebuild.texi (Test directives): Describe selector
10707         expressions.
10708
10709 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10710
10711         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10712         specific 64-bit CPUs.
10713
10714 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
10715
10716         PR target/16201
10717         * arm.c (arm_eliminable_register): New function.
10718         (adjacent_mem_locations): Don't allow eliminable registers.  Use
10719         HOST_WIDE_INT for address offsets.
10720         * arm-protos.h (arm_eliminable_register): Add prototype.
10721
10722 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10723
10724         PR optimization/15242
10725         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10726         * basic-block.h (duplicate_computed_gotos): Add prototype.
10727         * bb-reorder.c (duplicate_computed_gotos): New function to
10728         duplicate sufficiently small blocks ending in a computed jump.
10729         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10730         if not optimizing for size.
10731         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10732         never do tail merging for blocks ending in a computed jump.
10733         * doc/invoke.texi: Document the max-goto-duplication-insns param.
10734
10735 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
10736
10737         Patch from Richard Sandiford <rsandifo@redhat.com>
10738         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10739         from inheriting a subreg equivalence with a non-spill register.
10740
10741         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10742
10743 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
10744
10745         * config/frv/frv.c (movcc_fp_destination_operand): New.
10746         (gpr_or_memory_operand): Fix typo in comment.
10747         (gpr_or_memory_operand_with_scratch): New.
10748         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10749         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10750         movcc_fp_destination_operand.
10751         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10752         Legitimize memory addresses using a scratch register.
10753
10754 2005-01-31  Jeff Law  <law@redhat.com>
10755
10756         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10757         bitmap a sparse bitmap instead of a simple bitmap.
10758         (mark_def_sites_initialize_block):  Corresponding changes.
10759         (ssa_mark_def_sites_initialize_block): Likewise.
10760         (ssa_mark_phi_uses): Likewise.
10761         (mark_def_site, ssa_mark_def_sites): Likewise.
10762         (mark_def_site_blocks): Likewise.
10763         (rewrite_ssa_into_ssa): Likewise.
10764
10765         * tree-ssa-dom.c (record_cond): Pass correct variable type
10766         for last argument to htab_find_slot_with_hash.
10767
10768         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10769         effects when optimizing 0 % X.  Do not try to optimize X % 0.
10770
10771 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
10772
10773         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10774         1_mmalua.
10775
10776 2005-02-01  Eric Christopher  <echristo@redhat.com>
10777
10778         * config/mips/mips.c (override_options): Warn if -mint64
10779         is used.
10780         * doc/invoke.texi (MIPS Options): Document that -mint64 is
10781         deprecated.
10782
10783 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
10784
10785         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
10786         timestamp.
10787         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10788         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10789         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10790         (cached_regno): Initialize to INVALID_REGNUM.
10791         (cse_reg_info_table_size,
10792         cse_reg_info_table_first_uninitialized,
10793         cse_reg_info_timestamp): New.
10794         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10795         get_cse_reg_info.
10796         (init_cse_reg_info, get_cse_reg_info_1): New.
10797         (get_cse_reg_info): Cache the last look-up.
10798         (new_basic_block): Update the code to clear mappings from
10799         registers to cse_reg_info entries.
10800         (cse_main): Call init_cse_reg_info.
10801
10802         * cse.c (get_cse_reg_info): Update a comment.
10803
10804 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10805
10806         PR c/19333
10807         * c-decl.c (start_decl): Do not warn about arrays of elements with
10808         an incomplete type here.
10809         (grokdeclarator): Do it here by making a pedwarn an error.
10810         * c-typeck.c (push_init_level): If there were previous errors with
10811         the constructor type, do not warn about braces for initializers.
10812         (process_init_element): Likewise for excess initializer elements.
10813
10814 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
10815
10816         * cse.c (delete_trivially_dead_insn): Don't iterate.
10817
10818 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
10819
10820         * config/rs6000/rs6000.md (copysignsf3): New expand.
10821         (copysigndf3): Likewise.
10822
10823 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10824
10825         * recog.c (constrain_operands): Only look for earlyclobber operand
10826         conflicts if an '&' constraint was seen.
10827
10828 2005-01-31  Marc Espie <espie@openbsd.org>
10829
10830         * config.gcc: Don't include embedded systems fragment, switches default
10831         debugging format to ELF.
10832         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10833         longer pick it up there.
10834
10835 2005-01-31  Dale Johannesen  <dalej@apple.com>
10836
10837         * doc/extend.texi (nested functions): Fix linkage description.
10838         Clarify that static is not allowed.
10839
10840 2005-01-31  Dale Johannesen  <dalej@apple.com>
10841
10842         * config/rs6000/darwin.md (movsf_low_di):  Make work.
10843         (movdf_low_di):  Make work.
10844
10845 2005-01-31  Dale Johannesen  <dalej@apple.com>
10846
10847         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10848         Make work for 64 bit.
10849
10850 2005-01-31  Roger Sayle  <roger@eyesopen.com>
10851             Dale Johannesen  <dalej@apple.com>
10852
10853         PR middle-end/19650
10854         * fold-const.c (fold_binary_op_with_conditional_arg):
10855         Make types match original operands, before STRIP_NOPS.
10856
10857 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
10858
10859         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10860         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
10861         (struct gcc_sigcontext): Delete.  Merge contents to..
10862         (struct gcc_ucontext): ..here.
10863         (get_sigcontext): Delete.
10864         (get_regs): New function, like get_sigcontext but return regs ptr.
10865         64-bit version finds regs from r1 to support vdso.
10866         (ppc_linux_aux_vector): New function.
10867         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
10868         and vector regs.
10869
10870 2005-01-31  Ira Rosen  <irar@il.ibm.com>
10871
10872         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10873         sizetype.
10874         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10875         redundant fold. Fix misalignment for MINUS_EXPR.
10876         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10877         (vect_analyze_pointer_ref_access): Likewise.
10878         (vect_get_memtag_and_dr): Likewise.
10879
10880 2005-01-31  Richard Henderson  <rth@redhat.com>
10881
10882         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
10883         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
10884         absnegdf2_i387, absnegxf2_i387): Likewise.
10885
10886 2005-01-31  Richard Henderson  <rth@redhat.com>
10887
10888         PR 19696
10889         * optabs.c (expand_copysign_absneg): New.
10890         (expand_copysign_bit): Split out from ...
10891         (expand_copysign): ... here.  Use expand_copysign_absneg.
10892
10893 2005-01-30  Roger Sayle  <roger@eyesopen.com>
10894
10895         PR middle-end/19697
10896         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
10897         constant as the second operand and a register as the third.
10898
10899 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
10900
10901         PR target/19704
10902         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
10903         that dllimport'd functions do not use all call-clobbered registers
10904         to pass parameters.
10905
10906 2005-01-30  Richard Henderson  <rth@redhat.com>
10907
10908         PR 19696
10909         * optabs.c (expand_absneg_bit): Split out from expand_unop and
10910         expand_abs_nojump and generalize.  Use operand_subword and
10911         emit_no_conflict_block.  Support large modes.
10912         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
10913         back to maximum.
10914         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
10915         negation to subtraction.
10916         (expand_copysign): Check that the format has signed zeros.
10917         Use operand_subword and emit_no_conflict_block.  Support large modes.
10918
10919 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
10920
10921         Fix PR tree-optimization/19624
10922
10923         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
10924         * tree-ssa-pre.c: Add cfgloop.h.
10925         Update comment.
10926         (pre_stats): New member, constified.
10927         (inserted_exprs): New static variable.
10928         (NECESSARY): New macro.
10929         (create_expression_by_pieces): Fold the expression, and
10930         mark it as defaulting to not necessary. Also put in
10931         inserted_exprs.
10932         (fully_constant_expression): New function.
10933         (insert_into_preds_of_block): Modify to not insert phis when we
10934         are playing with induction variables.
10935         Push phis onto the inserted_exprs vector, and mark them as not
10936         necessary by default.
10937         (insert_aux): Call fully_constant_expression on eprime.
10938         If all edges produce the same value, mark it constant.
10939         (mark_operand_necessary): New function.
10940         (remove_dead_inserted_code): New function.
10941         (init_pre): Init loop optimizer to get loop info.
10942         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
10943         (execute_pre): Commit edge inserts, then remove dead code.
10944
10945 2005-01-30  Richard Henderson  <rth@redhat.com>
10946
10947         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
10948         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
10949
10950 2005-01-30  Richard Henderson  <rth@redhat.com>
10951
10952         PR target/19700
10953         * config/i386/i386.c (ix86_expand_copysign): New.
10954         (ix86_split_copysign_const): New.
10955         (ix86_split_copysign_var): Rename from ix86_split_copysign,
10956         rearrange op1/nmask operands.
10957         * config/i386/i386-protos.h: Update.
10958         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
10959         (copysigndf3): Likewise.
10960         (copysignsf3_const, copysigndf3_const): New.
10961         (copysignsf3_var): Rename from copysignsf3, split out splitter
10962         and fix split predicate for X constraint.
10963         (copysigndf3_var): Similarly.
10964
10965 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
10966
10967         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
10968         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
10969         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
10970
10971 2005-01-29  Richard Henderson  <rth@redhat.com>
10972
10973         PR target/19690
10974         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
10975         of # and * in constraints.
10976
10977 2005-01-29  Richard Henderson  <rth@redhat.com>
10978
10979         PR middle-end/19689
10980         * expr.c (store_field): Don't strip sub-mode cast when the input
10981         data is even smaller.
10982
10983 2005-01-29  Richard Henderson  <rth@redhat.com>
10984
10985         PR middle-end/19687
10986         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
10987         union being empty.
10988
10989 2005-01-29  Richard Henderson  <rth@redhat.com>
10990
10991         * combine.c (make_field_assignment): Fix argument order
10992         to gen_int_mode.
10993
10994 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
10995
10996         PR tree-optimization/15791
10997         * fold-const.c (extract_array_ref): New function.
10998         (fold): Fold comparisons between &a[i] and &a[j] or
10999         semantically equivalent trees.
11000
11001 2005-01-29  Jeff Law  <law@redhat.com>
11002
11003         * gcse.c (insert_expr_in_table): Revamp handling of available
11004         and anticipatable occurrence lists to avoid unnecessary list
11005         walking.
11006         (insert_set_in_table): Similarly.
11007
11008 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
11009
11010         * c-common.c (fix_string_type): Just use c_build_qualified_type to
11011         build string type.
11012         (c_build_qualified_type): Build qualified array types with
11013         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
11014         * c-decl.c (c_make_fname_decl): Build unqualified array type
11015         before qualified type.
11016         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
11017         type is qualified, not just if type itself is.  Don't apply
11018         qualifiers to array type when declarator is processed.  Apply
11019         qualifiers to field type whether or not it is an array type.
11020         Don't handle array types specially for applying qualifiers to
11021         variables.
11022         * c-typeck.c (composite_type): Build unqualified element type and
11023         array type when forming composite of array types.
11024         (common_pointer_type, comptypes, comp_target_types,
11025         type_lists_compatible_p, build_indirect_ref, build_array_ref,
11026         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
11027         types.
11028         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
11029         (args2) in variables a1 and a2.
11030
11031 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
11032
11033         * cse.c (n_elements_made, max_elements_made): Remove.
11034         (insert): Don't touch n_elements_made.
11035         (cse_main): Don't touch n_elements_made or max_elements_made.
11036
11037 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
11038
11039         PR target/15384
11040         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
11041         configuration part of dp-bit.c to be lost.
11042
11043 2005-01-28  Roger Sayle  <roger@eyesopen.com>
11044
11045         * expmed.c (expand_mult_highpart_optab): When attempting to use
11046         a non-widening multiplication in a wider mode, the operands need
11047         to be converted (zero or sign extended) to that mode.
11048
11049 2005-01-28  Ian Lance Taylor  <ian@airs.com>
11050
11051         PR middle-end/16558
11052         PR middle-end/19583
11053         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
11054         through if both operands fall through.
11055
11056 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
11057
11058         * cse.c (fold_rtx) <PC>: Don't optimize.
11059
11060 2005-01-28  Jeff Law  <law@redhat.com>
11061
11062         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
11063         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
11064
11065 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
11066
11067         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
11068         cse_reg_info_used_list_end): Remove.
11069         (cse_reg_info_list, cse_reg_info_list_free): New.
11070         (get_cse_reg_info): When allocating an instance of
11071         cse_reg_info, add it to the beginning of the cse_reg_info_list
11072         list.  Remove code to maintain cse_reg_info_used_list.
11073         (new_basic_block): Reset the free list to the beginning of
11074         cse_reg_info_list.
11075
11076 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
11077
11078         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
11079         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
11080         (frv_expand_mdpackh_builtin): New function.
11081         (frv_expand_builtin): Use it to expand __MDPACKH.
11082         * doc/extend.texi (__MDPACKH): Update documentation.
11083
11084 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
11085
11086         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
11087         SSE_FLOAT_MODE_P for use_sse computation.
11088
11089 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
11090
11091         PR target/19663
11092         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
11093
11094 2005-01-27  Richard Henderson  <rth@redhat.com>
11095
11096         * builtins.c (expand_builtin_copysign): New.
11097         (expand_builtin): Call it.
11098         * genopinit.c (optabs): Add copysign_optab.
11099         * optabs.c (init_optabs): Initialize it.
11100         (expand_copysign): New.
11101         * optabs.h (OTI_copysign, copysign_optab): New.
11102         (expand_copysign): Declare.
11103
11104         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
11105         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
11106
11107         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
11108         (ix86_expand_fp_absneg_operator): ... here.
11109         (ix86_split_copysign): New.
11110         * config/i386/i386-protos.h: Update.
11111         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
11112         (copysignsf3, copysigndf3): New.
11113
11114         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
11115         (copysignsf3, ncopysignsf3): New.
11116         (copysigndf3, ncopysigndf3): New.
11117         (copysignxf3, ncopysignxf3): New.
11118         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
11119
11120 2005-01-27  Arend Bayer  <arend.bayer@web.de>
11121             Kazu Hirata  <kazu@cs.umass.edu>
11122
11123         * cse.c: (find_best_addr): Don't call copy_rtx before calling
11124         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
11125         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
11126         NULL_RTX.
11127
11128 2005-01-27  Jeff Law  <law@redhat.com>
11129
11130         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
11131         definitions of SSA_NAMEs which are not being rewritten.
11132         (rewrite_ssa_into_ssa): Only initialize the current definition
11133         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
11134         If checking is enabled, assert that SSA_NAME_AUX is clear for all
11135         SSA_NAMEs before returning.
11136
11137 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
11138
11139         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
11140         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
11141         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
11142         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
11143         config/mips/iris6.h, config/sh/sh.c: Update copyright.
11144
11145 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11146
11147         PR middle-end/17278
11148         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
11149         higher to -O2 and higher.  Likewise for tree PRE.
11150         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
11151         and better.
11152
11153 2005-01-27  Ian Lance Taylor  <ian@airs.com>
11154
11155         PR middle-end/19583
11156         * gimple-low.c (try_catch_may_fallthru): New static function.
11157         (block_may_fallthru): Handle TRY_CATCH_EXPR.
11158         * tree-inline.c (expand_call_inline): Don't warn about reaching
11159         the end of a non-void function being inlined if the function uses
11160         a return slot.
11161
11162 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
11163
11164         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
11165
11166         PR c/18946
11167         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
11168         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
11169         (implicitly_declare): Handle error_mark_node.
11170
11171 2005-01-27  Richard Henderson  <rth@redhat.com>
11172
11173         PR tree-opt/14329
11174         * tree.h (struct tree_decl): Add debug_expr_is_from.
11175         (DECL_DEBUG_EXPR_IS_FROM): New.
11176         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
11177         * dwarf2out.c (dwarf2out_var_location): Update to match.
11178         * tree-outof-ssa.c (create_temp): Likewise.
11179         * var-tracking.c (track_expr_p): Likewise.
11180         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
11181         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
11182         * toplev.c (default_tree_printer): Likewise.
11183
11184 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
11185
11186         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
11187         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
11188
11189 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11190
11191         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
11192         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
11193         ASM_CLOBBERS): Add tree checks.
11194
11195         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
11196         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
11197         * c-common.def (SWITCH_STMT): Update to match.
11198         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
11199         macros instead of SWITCH_EXPR ones.
11200         * c-dump.c (c_dump_tree): Likewise.
11201         * c-gimplify.c (gimplify_switch_stmt): Likewise.
11202         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
11203
11204         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
11205
11206 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
11207
11208         * unwind-dw2.c (execute_stack_op): Add missing cases for
11209         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
11210
11211 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
11212
11213         * config.gcc (Obsolete configurations): Remove 'dummy', add
11214         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
11215         sparc-*-openbsd*.
11216
11217 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
11218
11219         PR tree-optimization/19633
11220         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
11221         CALL_EXPRs.
11222         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
11223         are no call-clobbered variables.
11224         * tree-outof-ssa.c (check_replaceable): Return false for calls
11225         with side-effects.
11226
11227 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
11228
11229         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
11230         even for variables with NULL DECL_INITIAL.
11231
11232 2005-01-26  Stuart Hastings  <stuart@apple.com>
11233
11234         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
11235
11236 2005-01-26  Richard Henderson  <rth@redhat.com>
11237
11238         PR middle-end/18008
11239         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11240         field's type.
11241         * expr.c (store_field): Strip conversions to odd-bit-sized types
11242         if the destination field width matches.
11243
11244 2005-01-26  Richard Henderson  <rth@redhat.com>
11245
11246         * c-decl.c, expmed.c, expr.c: Revert last change.
11247
11248 2005-01-26  Richard Henderson  <rth@redhat.com>
11249
11250         PR middle-end/18008
11251         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11252         field's type.
11253         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11254         if we don't need the bits above those present in the current mode.
11255         * expr.c (store_field): Strip conversions to odd-bit-sized types
11256         if the destination field width matches.
11257
11258 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11259
11260         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11261         either -ffast-math or -funsafe-math-optimizations is in use.
11262
11263 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11264
11265         PR target/19293
11266         PR target/19329
11267         * config/avr/avr.c (notice_update_cc): Only set condition code for
11268         ashrqi3 if shift count > 0.
11269         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11270         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11271         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11272         count <= 0 as a no-op, and shift count >= width by copying zero
11273         or sign bit to all bits of the result.
11274         * config/avr/avr.md (all shifts): Add alternatives for zero shift
11275         count, with attribute "length" set to 0 and "cc" set to "none".
11276
11277 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11278
11279         * doc/invoke.texi: Document -mTLS.
11280
11281         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11282         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11283         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11284         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11285         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11286         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11287         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11288         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11289
11290         * configure.ac: Check for a TLS capable gas.
11291
11292         * configure: Regenerate.
11293
11294 2005-01-26  Richard Henderson  <rth@redhat.com>
11295
11296         PR middle-end/18008
11297         * combine.c (make_field_assignment): Simplify store to zero_extract
11298         from a source with an overlapping mask.
11299
11300 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11301
11302         2004-11-11  Eric Christopher  <echristo@redhat.com>
11303
11304         * config/frv/frv.md: Add fr400_integer automaton. Don't
11305         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11306         to TYPE_MACC.
11307
11308 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11309
11310         PR middle-end/16585
11311         * cfgbuild.c (make_edges): Do not clear or set
11312         current_function_has_computed_jump.
11313         * function.h (struct function): Remove the has_computed_jump field.
11314         (current_function_has_computed_jump): Do not define.
11315         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11316         in a computed jump.  Ignore current_function_has_computed_jump.
11317
11318 2005-01-26  Richard Henderson  <rth@redhat.com>
11319
11320         PR middle-end/19515
11321         * expr.c (categorize_ctor_elements): New argument p_must_clear.
11322         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
11323         fully initialized.
11324         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11325         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
11326         objects into static storage if they have more than one non-zero value.
11327         * tree.h (categorize_ctor_elements): Update decl.
11328
11329 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11330
11331         PR middle-end/19616
11332         * tree.h (CALL_EXPR_TAILCALL): Add comment.
11333         * calls.c (check_sibcall_argument_overlap_1): Revert the change
11334         to this function from 2004-07-10.
11335         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11336         the current function for tail call optimizations if the address
11337         of one of it its arguments is taken.
11338
11339 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
11340
11341         * cse.c (fold_rtx): Call equiv_constant only when necessary.
11342
11343 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11344
11345         * function.c (expand_function_end): If current_function_calls_alloca,
11346         emit stack restore in a place that is reached when the function falls
11347         through at the end.
11348
11349 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
11350
11351         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11352         rule to avoid matching inappropriate suffix rule.
11353
11354 2005-01-26  Jan Hubicka  <jh@suse.cz>
11355
11356         PR tree-optimization/19241
11357         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11358
11359 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11360
11361         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11362         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
11363         of doubling.
11364         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11365         <sim*>: Always use crt1.o, regardless of N in simN.
11366         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11367         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11368         (CRT_CALL_STATIC_FUNCTION): Remove.
11369         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11370         use crt1.o, regardless of N in simN.
11371         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11372         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11373         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11374         case isystem setting.
11375         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11376
11377 2005-01-25  Ian Lance Taylor  <ian@airs.com>
11378
11379         * gimple-low.c (block_may_fallthru): Correct handling of
11380         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11381
11382 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11383
11384         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11385         handlers to match indentation; nested under the mtune=* handler.
11386         Similar for mcpu= and march=.
11387
11388 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
11389
11390         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11391         * config/mips/linux64.h (LIB_SPEC): Likewise.
11392         * config/mn10300/linux.h (LIB_SPEC): Likewise.
11393         * config/sh/linux.h (LIB_SPEC): Likewise.
11394
11395 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
11396
11397         * config/frv/frv.c (frv_legitimize_tls_address): New.
11398         (TARGET_HAVE_TLS): Define.
11399         (FRV_SYMBOL_REF_TLS_P): Define.
11400         (frv_override_options): Handle new register classes.
11401         (frv_legitimate_address_p): Reject tls addresses.
11402         (frv_legitimize_address): Handle TLS addresses.
11403         (gen_inlined_tls_plt): New.
11404         (gen_tlsmoff): New.
11405         (frv_legitimize_tls_address): New.
11406         (unspec_got_name): Add TLS entries.
11407         (got12_operand): Add R_FRV_TLSMOFF12 case.
11408         (frv_emit_move): Fixup TLS addresses.
11409         (frv_emit_movsi): Legitimize TLS addresses.
11410
11411         * config/frv/frv.h (MASK_BIG_TLS): New.
11412         (TARGET_BIG_TLS): New.
11413         (HAVE_AS_TLS): Define.
11414         (TARGET_SWITCHES): Add -mTLS and -mtls options.
11415         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11416         (REG_CLASS_NAMES): Same.
11417         (REG_CLASS_CONTENTS): Same.
11418         (CONSTRAINT_LEN): New.
11419         (REG_CLASS_FROM_CONSTRAINT): New.
11420         (PREDICATE_CODES): Add symbolic_operand.
11421
11422         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11423         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11424         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11425         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11426         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11427         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11428         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11429         GR9_REG, GR14_REG, LRREG.
11430         (type): Add load_or_call attribute.
11431         ("load_or_call"): New reservation.
11432         ("call_gettlsoff"): New.
11433         ("tls_indirect_call"): New.
11434         ("tls_load_gottlsoff12"): New.
11435         ("tlsoff_hilo"): New.
11436         ("tls_tlsdesc_ldd"): New.
11437         ("tls_tlsoff_ld"): New.
11438         ("tls_lddi"): New.
11439
11440         * config/frv/frv-protos.h (symbolic_operand): Protoize.
11441
11442         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
11443
11444         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11445         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11446         * config/frv/frv.c (TLS_BIAS): Define.
11447         (frv_output_dwarf_dtprel): New.
11448
11449 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
11450
11451         PR rtl-optimization/19579
11452         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11453         both A and B, see if they don't clobber registers the other expr uses.
11454
11455 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
11456
11457         * real.c (do_add): Initialize signalling and canonical members.
11458
11459         * real.c (real_from_integer): Zero out destination.
11460
11461 2005-01-18  Jan Hubicka  <jh@suse.cz>
11462
11463         PR tree-optimize/19337
11464         * tree-inline.c (initialize_inlined_parameters): Copy
11465         saved_static_chain_decl only.
11466
11467 2005-01-25  Richard Henderson  <rth@redhat.com>
11468
11469         PR target/19556
11470         PR target/19584
11471         * config/i386/i386.c (x86_inter_unit_moves): Zero.
11472         (ix86_preferred_reload_class): Rewrite fp-constant section, with
11473         80387 enabled, to return a proper subclass.  Return the subset that
11474         overlaps with GENERAL_REGS for PLUS.
11475         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11476
11477 2005-01-25  Richard Henderson  <rth@redhat.com>
11478
11479         PR middle-end/19609
11480         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11481
11482 2005-01-25  Roger Sayle  <roger@eyesopen.com>
11483
11484         * expmed.c (choose_multiplier): Change interface to return the
11485         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11486         (expand_divmod): Update calls to choose_multiplier.
11487
11488 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11489
11490         PR middle-end/19330
11491         * expmed.c (extract_bit_field): Use adjust_address instead of
11492         gen_lowpart when op0 is a MEM.
11493
11494 2005-01-24  Steven Bosscher  <stevenb@suse.de>
11495
11496         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11497
11498 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11499
11500         * config/mips/irix-csr.c: New file.
11501         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11502         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11503         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11504         executables.
11505
11506 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
11507
11508         PR bootstrap/19364
11509         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11510         sparc/elf.h, add sparc/sp-elf.h.
11511         (sparc-*-rtems*): Likewise.
11512         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11513         tm-dwarf2.h, add sparc/sp-elf.h.
11514         (sparc86x-*-elf): Likewise.
11515         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11516         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11517         TARGET_OS_CPP_BUILTINS.
11518         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11519         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11520         Undefine it.
11521         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11522         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11523         (SWITCH_TAKES_ARG): Likewise.
11524         (LOCAL_LABEL_PREFIX): Likewise.
11525         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11526         (TARGET_N_FORMAT_TYPES): Delete.
11527         (TARGET_FORMAT_TYPES): Likewise.
11528         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11529         * config/sparc/elf.h: Delete.
11530         * config/sparc/sp-elf.h: New file.
11531
11532 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11533
11534         * tree-flow-inline.h (phi_arg_from_edge): Remove.
11535         * tree-flow.h: Remove the corresponding prototype.
11536         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11537         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11538
11539 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11540
11541         PR target/17751
11542         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11543         for AIX ABI or ELF -fPIC.
11544         (rs6000_emit_load_toc_table): Don't create toc_section here.
11545         (rs6000_xcoff_file_start): Nor here.
11546
11547 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
11548
11549         * sh.c (ra.h): Don't #include.
11550         (hard_regs_intersect_p): New function, resurrected from ra.c.
11551
11552         * sh.c: Fix 1996 Copyright.
11553
11554 2005-01-24  Richard Henderson  <rth@redhat.com>
11555             Aldy Hernandez  <aldyh@redhat.com>
11556
11557         * regrename.c (note_sets): Handle subregs.
11558
11559 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
11560
11561         PR bootstrap/18058
11562         * genconditions.c (write_header, write_conditions): Elide file if
11563         not GCC >= 3.0.1.
11564
11565 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11566
11567         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11568         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11569         Update copyright.
11570
11571 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11572
11573         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11574         expand_builtin_printf, expand_builtin_fprintf,
11575         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11576         checking against POINTER_TYPE.
11577         (validate_arglist): Handle POINTER_TYPE code by checking
11578         POINTER_TYPE_P.
11579
11580 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
11581
11582         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11583         init_rtlanal): New.
11584         (for_each_rtx): Call for_each_rtx_1.
11585         * rtl.h (init_rtlanal): Declare.
11586         * toplev.c (backend_init): Call init_rtlanal.
11587
11588 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11589
11590         * flow.c (propagate_one_insn): Formatting.
11591
11592         PR middle-end/19551
11593         * flow.c (libcall_dead_p): Be more conservative if unsure.
11594         If there are any instructions between insn and call, see if they are
11595         all dead before saying the libcall is dead.
11596
11597 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
11598
11599         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11600         operand constraint for operand 0.
11601
11602 2005-01-23  Richard Henderson  <rth@redhat.com>
11603
11604         PR 19486
11605         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11606         edges leading to join block.
11607
11608 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11609
11610         * expmed.c (expand_mult_highpart): Make static.  Change type of
11611         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11612         (expand_divmod): Updates calls to expand_mult_highpart by using
11613         gen_int_mode to pass a CONST_INT rtx.
11614         * rtl.h (expand_mult_highpart): Remove prototype.
11615
11616 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11617
11618         * flow.c (regset_bytes, regset_size): Remove.
11619
11620         * cfganal.c: Fix a reference to Harvey's paper.
11621
11622 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11623
11624         PR rtl-optimization/19464
11625         * tree-optimize.c (init_tree_optimization_passes): Add one more
11626         copyrename pass just before out-of-ssa.
11627
11628 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
11629
11630         PR bootstrap/18058
11631         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11632         * ggc-none.c (ggc_free): Define.
11633
11634 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11635
11636         * cse.c (max_reg, max_insn_uid): Remove.
11637         (cse_main): Don't access max_reg or max_insn_uid.
11638
11639         * c-common.c (explicit_flag_signed_bitfields,
11640         lang_statement_code_p, lang_expand_function_end): Remove.
11641         * c-common.h: Remove the corresponding declarations.
11642         * c-opts.c (c_common_handle_option): Remove all write access
11643         to explicit_flag_signed_bitfields.
11644
11645         * cgraph.c (cgraph_varpool_n_nodes): Remove.
11646         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11647         * cgraph.h: Remove the corresponding declaration.
11648
11649         * gcse.c (null_pointer_info): Remove.
11650
11651 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11652             Eric Botcazou  <ebotcazou@libertysurf.fr>
11653
11654         * combine.c (simplify_logical): Only simplify logical expressions
11655         of the form ior(and(x,y),z) by the inverse distributive law if the
11656         result is cheaper than the original.
11657
11658 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11659
11660         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11661         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11662         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11663         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11664         config/freebsd-spec.h, config/arm/arm.h,
11665         config/h8300/h8300.md, config/i386/i386.md,
11666         config/i386/predicates.md, config/i386/sse.md,
11667         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11668         config/vax/vax.md: Fix comment typos.  Follow spelling
11669         conventions.
11670
11671 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11672
11673         * gengtype.c (walk_type): Produce `not equal to' compares for loop
11674         tests, instead of `less than'.
11675
11676 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
11677
11678         * function.c (assign_parm_setup_block): When creating a new stack slot
11679         for a parameter, get its alignment from the parameter's DECL_ALIGN
11680         rather than the type's TYPE_ALIGN.  Make sure that the parameter
11681         is at least word aligned.
11682
11683 2005-01-22  Roger Sayle  <roger@eyesopen.com>
11684
11685         PR middle-end/19378
11686         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11687
11688 2005-01-22  Richard Henderson  <rth@redhat.com>
11689
11690         PR target/19506
11691         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11692         in both compare operands.
11693         (movdfcc_1_sse_max): Likewise.
11694         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
11695         (movdfcc_1_sse): Likewise.
11696         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11697         scratch register as needed.
11698
11699 2005-01-22  Richard Henderson  <rth@redhat.com>
11700
11701         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11702
11703         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11704
11705 2005-01-22  Richard Henderson  <rth@redhat.com>
11706
11707         * genopinit.c (optabs): Use smin/smax for floating point too.
11708         * doc/md.texi: Update to match.  Clarify that floating point
11709         results are undefined for +0/-0 and NaN.
11710         * doc/rtl.texi: Likewise.
11711         * rtl.def (SMIN, SMAX): Likewise
11712         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11713
11714         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11715         leading 's' to the name.
11716         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11717         smaxxf3, sminxf3): Likewise.
11718         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11719         Likewise.
11720
11721 2005-01-22  Paul Brook  <paul@codesourcery.com>
11722
11723         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11724
11725 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
11726
11727         * config/s390/s390.c (struct processor_costs): New fields
11728         dlgr, dlr, dr, dsgfr, dsgr.
11729         (z900_cost, z990_cost): Values for new fields.
11730         (s390_rtx_costs): New cases MEM und COMPARE in switch
11731         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11732         DIV, MOD, UDIV, UMOD.
11733
11734 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11735
11736         * config/s390/s390.md ("doloop_si64"): Reload input value directly
11737         into the register being decremented.
11738         ("doloop_si31", "doloop_di"): Likewise.
11739         ("*doloop_si_long"): Adapt pattern.
11740
11741 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11742
11743         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11744         access registers.
11745         (CLASS_MAX_NREGS): Likewise.
11746
11747 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
11748
11749         * doc/tree-ssa.texi (Statement Operands): Add example for new
11750         must-def macro. Note deprecation of old operands interface.
11751
11752 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
11753
11754         PR tree-optimization/19484
11755         * tree-cfg.c (remove_fallthru_edge): New function.
11756         (cleanup_control_flow): Remove fallthru edges from calls that are
11757         now known not to return.
11758
11759 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11760
11761         Fix PR tree-optimization/19038
11762         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11763         copies with loop variant ones.
11764
11765 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
11766
11767         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11768         config/alpha/alpha-protos.h, config/alpha/alpha.h,
11769         config/alpha/alpha.md, config/alpha/predicates.md,
11770         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11771         config/sparc/sol2.h: Update copyright.
11772
11773         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11774         first label to see if it is a nonlocal label.
11775
11776 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
11777             Andrew Pinski  <pinskia@physics.uc.edu>
11778
11779         PR target/19491
11780         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11781         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
11782
11783 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11784
11785         * config/rs6000/rtems.h: Update copyright.
11786
11787 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11788
11789         PR target/19548
11790         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11791         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11792         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11793
11794 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11795
11796         PR c/18809
11797         * c-typeck.c (convert_arguments): Check for error_mark_node.
11798
11799 2005-01-21  Ian Lance Taylor  <ian@airs.com>
11800
11801         PR tree-optimization/13000
11802         * tree-inline.c: Include "tree-flow.h".
11803         (expand_call_inline): If warn_return_type, warn if non-void inline
11804         function falls through.
11805         * tree-cfg.c (execute_warn_function_return): Don't warn about
11806         control reaching end if TREE_NO_WARNING is set.  Set
11807         TREE_NO_WARNING.
11808         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11809         has been lowered.
11810         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11811         branch if we don't need one.
11812         * c-typeck.c: Include "tree-flow.h"
11813         (c_finish_bc_stmt): Don't add a goto if the current statement
11814         list doesn't fall through to the current point.
11815
11816 2005-01-21  Roger Sayle  <roger@eyesopen.com>
11817
11818         PR rtl-optimization/576
11819         * real.c (real_arithmetic): Change return type from void to bool
11820         to return an indication that the result may be inexact.
11821         * real.h (real_arithmeric): Update prototype.
11822         * fold-const.c (const_binop):  Don't constant fold floating
11823         point expressions when the user specifies -frounding-math and
11824         the result may depend upon the run-time rounding mode.
11825         (fold_convert_const_real_from_real): Clean-up.
11826         (fold_initializer): Ignore flag_rounding_math for initializers.
11827         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11828         constant fold FP operations with flag_rounding_math if the
11829         result may depend upon the run-time rounding mode.
11830
11831 2005-01-21  Tom Tromey  <tromey@redhat.com>
11832
11833         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11834
11835 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
11836
11837         * tree-cfg.c: Fix comment typos.
11838
11839 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
11840
11841         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11842         around the call to rest_of_handle_branch_target_load_optimize.
11843
11844 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11845
11846         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11847         (sparc64-*-openbsd*): Likewise.
11848         (sparclite-*-elf*): Include tm-dwarf2.h.
11849         (sparc86x-*-elf*): Likewise.
11850         (sparc64-*-elf*): Likewise.
11851         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11852         (DBX_DEBUGGING_INFO): Likewise.
11853         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11854         (PREFERRED_DEBUGGING_TYPE): Likewise.
11855         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11856         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11857         (PREFERRED_DEBUGGING_TYPE): Likewise.
11858         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11859         (PREFERRED_DEBUGGING_TYPE): Likewise.
11860         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11861
11862 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
11863
11864         PR target/18701
11865         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11866
11867 2005-01-20  Paul Brook  <paul@codesourcery.com>
11868
11869         * doc/rtl.texi: Document value extension requirements for CONST_INT.
11870
11871 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11872
11873         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11874         label is first in a sequence of labels.
11875
11876         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11877
11878 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
11879             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
11880
11881         * doc/sourcebuild.texi (Test Directives): New.
11882
11883 2005-01-20  Roger Sayle  <roger@eyesopen.com>
11884
11885         * real.c (real_floor): Don't leave the result uninitialized when
11886         mode is VOIDMode, but return the unrounded intermediate value.
11887         (real_ceil): Likewise.
11888
11889 2005-01-20  Paul Brook  <paul@codesourcery.com>
11890
11891         * config/arm/arm.md (insv): Use gen_int_mode.
11892
11893 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11894
11895         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
11896         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11897         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11898         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11899         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11900
11901 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11902
11903         Fix PR debug/19124
11904         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
11905         fbreg, so we have to assume we can't.
11906         (loc_descriptor_from_tree_1): Ditto.
11907         (containing_function_has_frame_base): New function.
11908         (add_location_or_const_value_attribute): Use it.
11909         Also try to generate a frame_base from a single element location
11910         list.
11911
11912 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11913
11914         PR tree-optimization/15349
11915         * timevar.def (TV_TREE_MERGE_PHI): New.
11916         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
11917         PHI_WANTED.
11918         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
11919         calls to tree_forwarder_block_p.
11920         (remove_forwarder_block_with_phi, merge_phi_nodes,
11921         gate_merge_phi, pass_merge_phi): New.
11922         * tree-optimize.c (init_tree_optimization_passes): Add
11923         pass_merge_phi.
11924         * tree-pass.h: Add an extern for pass_merge_phi;
11925
11926 2005-01-20  Richard Henderson  <rth@redhat.com>
11927
11928         PR target/19418
11929         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
11930         (_mm_castps_pd, _mm_castps_si128): New.
11931         (_mm_castsi128_ps, _mm_castsi128_pd): New.
11932
11933 2005-01-20  Richard Henderson  <rth@redhat.com>
11934
11935         PR target/19530
11936         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
11937         __builtin_ia32_vec_init_v2si.
11938         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
11939         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
11940         (ix86_init_mmx_sse_builtins): Create it.
11941         (ix86_expand_builtin): Expand it.
11942         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
11943         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
11944         (vec_extractv2si_0, vec_extractv2si_1): New.
11945
11946 2005-01-20  Richard Henderson  <rth@redhat.com>
11947
11948         PR target/16533
11949         * config/i386/i386.c (ix86_expand_push): New.
11950         * config/i386/mmx.md (push<MMXMODE>1): New.
11951         * config/i386/sse.md (push<SSEMODE>1): New.
11952         * config/i386/i386-protos.h: Update.
11953
11954 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11955
11956         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
11957         copyright.
11958
11959 2005-01-20  Richard Henderson  <rth@redhat.com>
11960
11961         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
11962         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
11963
11964 2005-01-19  Richard Henderson  <rth@redhat.com>
11965
11966         PR target/19350
11967         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
11968         to V4SFmode in SSE1 fallback load path.
11969
11970 2005-01-19  Richard Henderson  <rth@redhat.com>
11971
11972         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
11973         in QImode expansion to ix86_expand_vector_set.
11974         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
11975
11976 2005-01-19  Richard Henderson  <rth@redhat.com>
11977
11978         PR target/19511
11979         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
11980         subclass of the input class.
11981         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
11982         Always true for cross-SSE1 classes.  Rationalize conditionals.
11983         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
11984         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
11985         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
11986         (movdi_2): Add MMX/SSE zeros.
11987         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
11988         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
11989         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11990         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
11991         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
11992         (zero_extendsidi2_rex64_1): Remove.
11993         (MOV0 peephole): Check GENERAL_REG_P.
11994
11995 2005-01-19  Richard Henderson  <rth@redhat.com>
11996
11997         PR target/19427
11998         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
11999         shufps elements.
12000         (ix86_expand_vector_extract): Likewise.
12001
12002 2005-01-19  Richard Henderson  <rth@redhat.com>
12003
12004         PR middle-end/19304
12005         * expr.c (emit_move_change_mode): New argument force; use
12006         simplify_gen_subreg if true.
12007         (emit_move_via_alt_mode): Merge into ...
12008         (emit_move_via_integer): ... here.
12009         (emit_move_ccmode): Use emit_move_change_mode directly.
12010
12011 2005-01-19  Richard Henderson  <rth@redhat.com>
12012
12013         PR target/19518
12014         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
12015         (alpha_preferred_reload_class): Handle CONST_VECTOR.
12016         (alpha_emit_set_const_1): Add no_output parameter; don't emit
12017         rtl if true.
12018         (alpha_emit_set_const): Likewise.  Make static.
12019         (alpha_emit_set_long_const): Make static.
12020         (alpha_extract_integer): Split out from alpha_expand_mov.
12021         (alpha_split_const_mov): Likewise.
12022         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
12023         (alpha_legitimate_constant_p): New.
12024         * config/alpha/alpha-protos.h: Update.
12025         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
12026         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
12027         * config/alpha/alpha.md (movsi): Add n alternative.
12028         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
12029         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
12030         (splitters for all of the above): Use alpha_split_const_mov.
12031         * config/alpha/predicates.md (non_add_const_operand): New.
12032         (non_zero_const_operand): New.
12033         (input_operand): Use alpha_legitimate_constant_p after reload.
12034
12035 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
12036
12037         PR tree-optimization/19038
12038         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
12039         (add_candidate): Add ivs with increment in latch only if
12040         allow_ip_end_pos_p is true.
12041         (determine_iv_cost): Use empty_block_p.
12042
12043 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
12044
12045         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
12046         (compute_dominance_frontiers): Ditto.
12047
12048 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
12049
12050         PR target/19529
12051         * config/sh/t-rtems: New.
12052         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
12053
12054 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
12055
12056         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
12057         the offset of the selected field.
12058
12059 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
12060
12061         * tree-cfg.c (remove_forwarder_block): Fix the check to
12062         prevent a nonlocal label from appearing in the middle of a
12063         basic block.
12064
12065 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
12066
12067         PR rtl-optimization/19462
12068         * reorg.c (find_end_label): Create return insn only if
12069         current_function_epilogue_delay_list is empty.
12070
12071 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
12072
12073         * doc/passes.texi: Remove paragraph mentioning new-ra.
12074
12075 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
12076
12077         PR rtl-optimization/15139
12078         * combine.c: Include params.h.
12079         (count_rtxs): New function.
12080         (record_value_for_reg): If replace_rtx would replace at least
12081         2 occurrences of REG in VALUE and TEM is really large, replace REG with
12082         (clobber (const_int 0)) instead of TEM.
12083         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
12084         * params.h (MAX_LAST_VALUE_RTL): New.
12085         * Makefile.in (combine.o): Depend on $(PARAMS_H).
12086         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
12087
12088         PR c/17297
12089         * c-typeck.c (digest_init): Only call build_vector if all constructor
12090         elements are *_CST nodes.
12091         * gimplify.c (gimplify_init_constructor): Likewise.
12092
12093         PR middle-end/19164
12094         * c-typeck.c (digest_init): Only call build_vector if inside_init
12095         is a CONSTRUCTOR.
12096
12097 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
12098
12099         * toplev.c (init_asm_output): Remove dead #ifdef.
12100
12101 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12102
12103         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
12104
12105 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12106
12107         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
12108         accessing DECL_FUNCTION_CODE.
12109         * dojump.c (do_jump): Likewise.
12110         * gimplify.c (gimplify_call_expr): Likewise.
12111         * predict.c (expr_expected_value): Likewise.
12112         (strip_builtin_expect): Likewise.
12113         * tree-inline.c (estimate_num_insns_1): Likewise.
12114         * tree-ssa-loop-im.c (stmt_cost): Likewise
12115         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
12116         (tree_expr_nonnegative_p): Likewise.
12117
12118 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12119
12120         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
12121         variant of the load_pcrel_sym pattern.
12122         * config/sparc/sparc.md (P macro): Move to the top.
12123         (load_pcrel_sym): Macroize using P.
12124         (save_register_window): Likewise.
12125
12126 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
12127
12128         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
12129         ("sordered"): Same.
12130
12131 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
12132
12133         PR C/19472
12134         * c-typeck.c (build_asm_expr): Strip nops off
12135         input memory operands.
12136
12137 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
12138
12139         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
12140         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
12141         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
12142         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
12143
12144 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
12145
12146         PR target/19379
12147         * config/i386/i386.c (override_options): If the 80387 is disabled,
12148         then do not return FP values using FP registers.
12149
12150 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
12151
12152         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
12153         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
12154         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
12155         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
12156         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
12157         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
12158         output.h, postreload-gcse.c, postreload.c, recog.c,
12159         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
12160         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
12161         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
12162         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
12163         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
12164         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
12165         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
12166         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
12167
12168         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
12169         config/alpha/alpha.c, config/arm/vfp.md,
12170         config/i386/emmintrin.h, config/i386/i386-modes.def,
12171         config/i386/i386-protos.h, config/i386/i386.h,
12172         config/i386/pmmintrin.h, config/i386/ppro.md,
12173         config/i386/predicates.md, config/i386/xmmintrin.h,
12174         config/i860/i860.c, config/ia64/ia64-modes.def,
12175         config/ia64/ia64-protos.h, config/ia64/ia64.h,
12176         config/ia64/ia64.md, config/ia64/itanium1.md,
12177         config/ia64/itanium2.md, config/ia64/predicates.md,
12178         config/iq2000/iq2000.h, config/mips/linux64.h,
12179         config/rs6000/aix41.h, config/rs6000/aix43.h,
12180         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
12181         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
12182         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
12183         config/sparc/linux64.h, config/sparc/litecoff.h,
12184         config/sparc/sp64-elf.h, config/sparc/sparc.c,
12185         config/sparc/sparc.h, config/sparc/sparc.md,
12186         config/sparc/sysv4-only.h: Update copyright.
12187
12188 2005-01-18  Richard Henderson  <rth@redhat.com>
12189
12190         PR target/19496
12191         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
12192
12193 2005-01-18  Marc Espie  <espie@openbsd.org>
12194         * config/i386/openbsdelf.h: Typo.
12195
12196 2005-01-18  Richard Henderson  <rth@redhat.com>
12197
12198         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
12199         special case for sse.
12200         * config/i386/predicates.md (sse_comparison_operator): Likewise.
12201
12202 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
12203
12204         * tree-inline.c (estimate_num_insns_1): Added cases for
12205         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
12206
12207 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12208
12209         PR rtl-optimization/19296
12210         * combine.c (simplify_comparison): Rewrite the condition under
12211         which a non-paradoxical SUBREG of a PLUS can be lifted when
12212         compared against a constant.
12213
12214 2005-01-18  Andi Kleen <ak@muc.de>
12215
12216         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
12217         * c.opt (-Wpointer-sign): Add.
12218         * doc/invoke.texi: (-Wpointer-sign): Add.
12219
12220 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12221
12222         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
12223         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
12224         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
12225         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
12226         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
12227         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
12228         for TARGET_MIX_SSE_I387.
12229         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
12230         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
12231         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
12232         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
12233         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
12234         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
12235         TARGET_MIX_SSE_I387.
12236         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
12237         from expander.
12238
12239 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12240
12241         PR target/19424
12242         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12243         Add movaps alternative for xmm reg->reg move.
12244
12245 2005-01-17  Jeff Law  <law@redhat.com>
12246
12247         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12248         at the end of the main DOM loop rather than just before DOM exits.
12249
12250 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
12251
12252         PR tree-optimization/19121
12253         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12254         adding aliases to a name tag, also add them to the pointer's
12255         type tag.
12256         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12257         sensitive alias info at all.  Only check that the two pointers
12258         have compatible pointed-to sets.
12259         * tree-ssa.c (verify_name_tags): Verify that the alias set of
12260         a pointer's type tag is a superset of the alias set of the
12261         pointer's name tag.
12262
12263 2005-01-17  James E Wilson  <wilson@specifixinc.com>
12264
12265         PR target/19357
12266         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
12267         comment to document why.
12268
12269 2005-01-17  Richard Henderson  <rth@redhat.com>
12270
12271         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12272         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12273         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12274         sse2_vmsminv2df3_finite): New.
12275         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12276         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12277         Force op1 into register.
12278
12279 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
12280
12281         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12282         bubblestrap from always rebuilding build directory.
12283
12284 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
12285
12286         * config/s390/s390.md ("*clc"): Remove incorrect '='.
12287         ("*cmpmem_short"): Likewise.
12288
12289 2005-01-17  Steven Bosscher  <stevenb@suse.de>
12290
12291         * basic-block.h: Document BB_* flags.
12292         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12293         use an sbitmap instead.
12294         * sched-rgn.c (compute_trg_info): Likewise.
12295
12296 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
12297
12298         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
12299         redundant target_cpu_default and extra_parts lines.  Use the default
12300         "from-abi" ISA.
12301         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12302         (SUBTARGET_EXTRA_SPECS): Delete.
12303         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
12304         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12305         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12306         and "n32" for -mabi=n32.
12307
12308 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12309
12310         PR c/5675
12311         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12312         fold constant variables into initial values.
12313
12314 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12315
12316         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12317
12318         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12319         through the statements backward.
12320
12321 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12322
12323         PR middle-end/13127:
12324         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12325         a variable set to the return value of the inlined function.
12326
12327 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
12328
12329         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12330         when modes are tieable.
12331
12332 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
12333
12334         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12335         of pthread_create to find out if threads are enabled.
12336         * gthr-posix95.h (__gthread_active_p): Likewise.
12337
12338 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
12339
12340         * common.opt (-fnew-ra): Remove.
12341         * ra*.*: Remove.
12342         * toplev.h (flag_new_regalloc): Remove.
12343         * Makefile.in (ra*.*): Don't mention.
12344         * passes.c (rest_of_handle_new_regalloc): Remove.
12345         (rest_of_handle_combine, rest_of_compilation): Always consider
12346         flag_new_regalloc as false.
12347         * doc/invoke.texi: Don't document -fnew-ra.
12348
12349 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
12350
12351         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12352         last parameter to reg_scan.
12353         * loop.c (loop_optimize): Likewise.
12354         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12355         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12356         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12357         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12358         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12359         * regclass.c (reg_scan): Likewise, for the declaration.
12360         * rtl.h (reg_scan): Likewise, for the prototype.
12361
12362 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12363
12364         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12365         mark_dfs_back_edges.
12366
12367 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
12368
12369         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12370         (compute_avail): Uses don't go in tmp_gen.
12371
12372 2005-01-16  Steven Bosscher  <stevenb@suse.de>
12373
12374         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12375         loop to look for a free slot in a page entry.
12376
12377 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12378
12379         PR target/16304
12380         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12381         * toplev.c (compile_file): Call process_pending_assemble_output_defs
12382         just before targetm.asm_out.file_end.
12383         * tree.h (process_pending_assemble_output_defs): Declare.
12384         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12385         New functions.
12386         (assemble_alias): Defer generation of assembly code for defines when
12387         TARGET_DEFERRED_OUTPUT_DEFS is true.
12388         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12389         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12390         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12391
12392 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12393
12394         PR target/19336
12395         * pa.c (pa_scalar_mode_supported_p): New function.
12396         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12397         * pa.h (MIN_UNITS_PER_WORD): Add comment.
12398
12399         * pa-protos.h (prefetch_operand): Delete.
12400         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12401         * pa.c (prefetch_operand): Delete.
12402         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12403         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12404         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
12405         and prefetch_nocc_operand.
12406         * pa.md (prefetch): Rework to avoid reload problems handling short
12407         displacements when a cache control completer needs to be provided.
12408         (prefetch_32, prefetch_64): Delete.
12409         (prefetch_cc, prefetch_nocc): New patterns.
12410
12411 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
12412
12413         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12414
12415 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12416
12417         PR ada/19388
12418         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12419         exceeds maximum alignment for global common data.
12420         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12421         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12422
12423 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12424
12425         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12426
12427 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12428
12429         * harg-reg-set.h (reg_class_names): Prototype global array.
12430         * regclass.c (reg_class_names): Declare here and initialize to
12431         REG_CLASS_NAMES.
12432         (dump_regclass): Remove local declaration of reg_class_names.
12433         (regclass): Likewise.
12434         * cfg.c (dump_flow_info): Likewise.
12435         * ra-debug.c (reg_class_names): Likewise.
12436         * regrename.c (reg_class_names): Likewise.
12437         * reload.c (reg_class_names): Likewise.
12438         * reload1.c (spill_failure): Likewise.
12439         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12440
12441 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
12442
12443         * config/s390/s390.md ("reload_outti"): Remove predicate for
12444         output operand.  Abort if operand is not a MEM.
12445         ("reload_outdi", "reload_outdf"): Likewise.
12446
12447 2005-01-15  Marc Espie  <espie@openbsd.org>
12448
12449         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12450         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12451         * config/openbsd.h:  Fix C++ includes for native configurations.
12452         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
12453         Add trampoline support.
12454         * config/i386/openbsdelf.h: New.
12455
12456 2005-01-15  Marc Espie  <espie@openbsd.org>
12457
12458         * collect2.c (main): Explicitly parse -dynamic-linker option.
12459
12460 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
12461
12462         PR tree-optimization/19060
12463         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12464         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12465         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12466         and handle extract_range_from_cond returning false.
12467         * fold-const.c (fold): Optimize comparisons with min/max even for
12468         width > HOST_BITS_PER_WIDE_INT.
12469
12470 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
12471
12472         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12473         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12474         Remove little endian multilib variants.
12475         Add mips32 multilib variant.
12476
12477 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
12478
12479         * explow.c (copy_all_reg, stabilize): Remove.
12480         * expr.h: Remove the corresponding prototypes.
12481
12482         * rtlanal.c (regs_set_between_p): Remove.
12483         * rtl.h: Remove the corresponding prototype.
12484
12485 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
12486
12487         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12488         to rs6000_nonimmediate_operand.
12489         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12490         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12491         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12492         rs6000_nonimmediate_operand.
12493         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12494         rs6000_nonimmediate_operand.
12495
12496 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
12497
12498         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12499
12500 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12501
12502         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12503         on e500v2.
12504         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12505         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12506
12507         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12508         (rs6k_nonimmediate_operand): New.
12509         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12510         correctly.
12511         (legitimate_lo_sum_address_p): Same.
12512         (rs6000_legitimize_address): Same.
12513         (rs6000_legitimize_reload_address): Same.
12514         (rs6000_legitimate_address): Same.
12515         (spe_build_register_parallel): Pass DF and DC modes in a DI
12516         register.
12517
12518         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12519         to rs6k_nonimmediate_operand.
12520
12521         * config/rs6000/spe.md ("*frob_df_di"): New.
12522         ("*frob_di_df"): New.
12523         ("*frob_di_df_2"): New.
12524         ("*mov_sidf_e500_subreg0"): New.
12525         ("*mov_sidf_e500_subreg4"): New.
12526         ("*movdf_e500_double"): Change predicate to
12527         rs6k_nonimmediate_operand.
12528
12529 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12530
12531         * postreload.c (move2add_note_store): Only call
12532         trunc_int_for_mode on scalar integers.
12533
12534 2005-01-14  Steven Bosscher  <stevenb@suse.de>
12535
12536         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12537         replace BB_VISITED uses.
12538         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12539         (propagate_necessity): Check the bitmap instead of BB_VISITED.
12540         (tree_dce_done): Free visited_control_parents.
12541         (perform_tree_ssa_dce): Allocate and clear it.
12542         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12543         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
12544         instead of BB_VISITED.
12545
12546 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
12547
12548         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12549         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12550         Remove unused prototypes.
12551
12552 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12553
12554         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12555         64-bit register usage.
12556         (spe_func_has_64bit_regs_p): Add FIXME note.
12557
12558 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12559
12560         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12561         flag_finite_math_only with flag_unsafe_math_optimizations.
12562
12563 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
12564
12565         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12566         end-of-stack check.
12567         (__tpf_eh_return): Copy TPF private stack area from the module
12568         boundary stack frame.  Add check for when module addresses are
12569         equal, but no stub address is found.
12570
12571 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
12572
12573         PR target/7525
12574         * arm.h (struct machine_function): Add call_via field.
12575         (thumb_call_via_label): Declare.
12576         * arm.c (thumb_call_via_label): New variable.
12577         (thumb_call_reg_needed): New variable.
12578         (arm_output_function_epilogue): For Thumb code, output any per-function
12579         call-indirect trampolines.
12580         (thumb_call_via_reg): New function.
12581         (arm_file_end): New function.
12582         (TARGET_ASM_FILE_END): Call arm_file_end.
12583         (aof_file_end): Likewise.
12584         * arm-protos.h (thumb_call_via_reg): Declare.
12585         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12586         thumb_call_via_reg in normal case.
12587
12588 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
12589
12590         PR middle-end/19084
12591         PR rtl-optimization/19348
12592         * recog.c (peephole2_optimize): Do global life update if some peephole
12593         decides it doesn't need at least one of its inputs and that change
12594         influences liveness at the start of the basic block.
12595
12596         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12597         arguments instead of 1.
12598
12599 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
12600
12601         PR middle-end/18820
12602         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12603         zero for nested functions needing a static chain or functions
12604         with a non-constant address.
12605
12606 2005-01-13  Roger Sayle  <roger@eyesopen.com>
12607
12608         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12609         (and (sign_extend X) C) into (zero_extend (and X C)).
12610
12611 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
12612
12613         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
12614
12615 2005-01-13  Richard Henderson  <rth@redhat.com>
12616
12617         PR target/19009
12618         PR target/19250
12619         PR target/19252
12620         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12621         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12622         not just TARGET_SSE.
12623         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
12624         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12625         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12626         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12627         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12628         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12629         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12630         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12631         (movdicc_c_rex64): Rename with '*'.
12632         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12633         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12634         (movsfcc_1_387): Rename from movsfcc_1.
12635         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12636         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12637         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12638         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12639         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12640         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12641         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12642         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12643         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12644         sse_movdfcc_const0_4): Remove.
12645         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12646         recognize min/max early.  Update for changed sse cmove patterns.
12647         (ix86_split_sse_movcc): New.
12648         * config/i386/i386-protos.h: Update.
12649
12650 2005-01-13  Steven Bosscher  <stevenb@suse.de>
12651
12652         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12653         (fix_stmt_v_may_defs): Likewise.
12654
12655 2005-01-13  Richard Henderson  <rth@redhat.com>
12656
12657         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12658         for converting the mask.
12659
12660 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
12661
12662         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12663         definition to 600.
12664
12665 2005-01-13  Richard Henderson  <rth@redhat.com>
12666
12667         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12668         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12669         IX86_BUILTIN_MOVDQ2Q): Remove.
12670         (IX86_BUILTIN_VEC_EXT_V4SI): New.
12671         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12672         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12673         shuffling.
12674         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12675         (sse2_pextrw): Fix immediate constraint.
12676         (sse2_loadq, sse2_loadq_rex64): Remove.
12677         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12678         Use __builtin_ia32_vec_ext_<size>.
12679         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12680
12681 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
12682
12683         * function.c (assign_parm_setup_block): Look inside original
12684         entry_parm when inspecting PARALLEL.
12685
12686 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
12687             Joel Sherrill  <joel@oarcorp.com>
12688
12689         PR target/19399
12690         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12691         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12692         rtems_gxx_recursive_mutex_init.
12693         (__gthread_recursive_mutex_lock): New function.
12694         (__gthread_recursive_mutex_trylock): Likewise.
12695         (__gthread_recursive_mutex_unlock): Likewise.
12696
12697 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
12698
12699         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12700
12701 2005-01-13  Jan Beulich  <jbeulich@novell.com>
12702
12703         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12704         (ashrti3_internal): Indicate output is early clobber. Generate result
12705         into output rather than first input. Use move for low word of output
12706         if shift count is exactly 64.
12707         (lshrti3_internal): Likewise.
12708
12709 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
12710
12711         PR target/18329
12712         PR target/18330
12713         * reload1.c (delete_output_reload): Don't delete an output reload
12714         if the pseudo lives longer than a single basic block.  Adjust and
12715         improve wording of comment.
12716
12717 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
12718
12719         PR target/19334
12720         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12721         of TYPE_SIZE where we mean the number of bytes.
12722
12723 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
12724
12725         * function.c (assign_parm_setup_block): Relax condition on
12726         multi-register optimization.
12727
12728 2005-01-12  Nick Clifton  <nickc@redhat.com>
12729
12730         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12731         an "in_delay_slot" attribute of "no" to prevent them being used in
12732         delay slots.  This is forbidden because they might generate
12733         exceptions.
12734
12735 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
12736
12737         PR target/19389
12738         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12739         with r->Y and Y->r.
12740
12741 2005-01-12  Nick Clifton  <nickc@redhat.com>
12742
12743         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12744         passed on to GAS) but do not define, as GAS no longer supports or
12745         needs the -m2000 option.
12746
12747 2005-01-11  Roger Sayle  <roger@eyesopen.com>
12748
12749         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12750         type as args of unprototyped builtins aren't automatically promoted.
12751         (fold_builtin_abs): Likewise.
12752
12753 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12754
12755         * Makefile.in: Set a `build-warn' variable.
12756
12757 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
12758
12759         PR tree-optimization/17949
12760         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12761         (find_interesting_uses_address): Use it.
12762
12763 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
12764
12765         * regrename.c (kill_value): Handle subreg's that won't simplify.
12766
12767 2005-01-11  Richard Henderson  <rth@redhat.com>
12768
12769         PR target/13366
12770         * config/i386/i386.h (enum ix86_builtins): Move ...
12771         * config/i386/i386.c: ... here.
12772         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12773         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12774         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12775         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12776         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
12777         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12778         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12779         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12780         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12781         IX86_BUILTIN_LOADDDUP): Remove.
12782         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12783         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12784         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12785         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12786         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12787         (ix86_init_builtins): Make static.
12788         (ix86_init_mmx_sse_builtins): Update for changed builtins.
12789         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12790         if all the modes match.  Otherwise, fake it.
12791         (get_element_number, ix86_expand_vec_init_builtin,
12792         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12793         (ix86_expand_builtin): Make static.  Update for changed builtins.
12794         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12795         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
12796         (ix86_expand_vector_init_duplicate): New.
12797         (ix86_expand_vector_init_low_nonzero): New.
12798         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12799         Split out from ix86_expand_vector_init; handle integer modes.
12800         (ix86_expand_vector_init): Use them.
12801         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12802         * config/i386/i386-protos.h: Update.
12803         * config/i386/predicates.md (reg_or_0_operand): New.
12804         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12805         (movv2sf_internal): Likewise.  And a splitter to match them all.
12806         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12807         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12808         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12809         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12810         (mmx_pinsrw): Fix operand ordering.
12811         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12812         rather than sse_loadss expander.
12813         (movv2df splitter): Similarly.
12814         (sse_loadss, sse_loadlss): Remove.
12815         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12816         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12817         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12818         (sse3_movddup): Rename with '*'.
12819         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12820         (sse2_loadsd): Remove.
12821         (vec_dupv2df_sse3): Rename from sse3_loadddup.
12822         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12823         (sse2_pinsrw): Fix argument ordering.
12824         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12825         (sse2_stored): Remove 'r' destination.
12826         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12827         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12828         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12829         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12830         vec_extractv16qi, vec_initv16qi): New.
12831
12832         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12833         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12834         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12835         constructor form.
12836         (_mm_load_pd, _mm_store_pd): Use plain dereference.
12837         (_mm_load_si128, _mm_store_si128): Likewise.
12838         (_mm_load1_pd): Use _mm_set1_pd.
12839         (_mm_load_sd): Use _mm_set_sd.
12840         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12841         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12842         (_mm_set_epi64): Use _mm_set_epi64x.
12843         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12844         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12845         _mm_setr_epi8): Use _mm_set_foo form.
12846         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12847         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12848         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12849         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12850         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12851         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12852         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12853         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12854         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12855         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12856         (_mm_movedup_pd): Use _mm_shuffle_pd.
12857         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12858         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12859         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12860         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12861         Use _mm_setzero_ps.
12862         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12863         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12864         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12865         (_mm_store_ps): Use raw dereference.
12866         (_mm_store1_ps): Use _mm_storeu_ps.
12867         (_mm_storer_ps): Use _mm_store_ps.
12868         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12869         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12870
12871 2005-01-11  Stan Shebs  <shebs@apple.com>
12872
12873         * config/rs6000/rs6000.c (machopic_output_stub): Issue
12874         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12875
12876 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
12877
12878         PR target/18761
12879         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
12880         Skip all DECLs except for FIELD_DECLs.
12881
12882 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12883
12884         * config/s390/s390.c (override_options): Return error if
12885         -mbackchain, -mpacked-stack and -mhard-float are used together.
12886         (s390_va_start): Remove the backchain && packed-stack special case.
12887         (s390_gimplify_va_arg): Likewise.
12888         * doc/invoke.texi: Remove the ABI incompatibility note.
12889
12890 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12891
12892         * config/s390/s390.c (struct s390_frame_layout): Remove
12893         save_backchain_p.
12894         (s390_frame_info, s390_emit_prologue): Replace occurrences of
12895         save_backchain_p with TARGET_BACKCHAIN.
12896
12897 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12898
12899         PR target/18916
12900         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
12901         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
12902         * function.c (locate_and_pad_parm): Set new field.
12903         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
12904         Tweak where_pad test to include "none".  Always set mem align for
12905         stack_parm.
12906         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
12907         not sufficient for type.
12908         (assign_parm_setup_block): If stack_parm is zero on entry, always
12909         make a new stack local.  Block move old stack parm if necessary
12910         to new aligned stack local.
12911         (assign_parm_setup_stack): Use a block move to handle
12912         potentially misaligned entry_parm.
12913         (assign_parms_unsplit_complex): Specify required alignment when
12914         creating stack local.
12915         * calls.c (compute_argument_addresses): Override alignment of stack
12916         arg calculated from its type with the alignment given by
12917         FUNCTION_ARG_BOUNDARY.
12918         (store_one_arg): Likewise.
12919
12920 2005-01-11  Jan Beulich  <jbeulich@novell.com>
12921
12922         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
12923         Change respective itanium_class attribute to ialu.
12924         (shladdp4_internal): New.
12925         * config/ia64/predicates.md (shladd_log2_operand): New.
12926
12927 2005-01-11  Richard Henderson  <rth@redhat.com>
12928
12929         * expr.c (store_constructor): Use rtvec_alloc instead of
12930         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
12931
12932 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
12933
12934         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
12935
12936 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12937
12938         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
12939         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
12940         (TARGET_RWRELOC): Define.
12941         (ia64_rwreloc_section_type_flags): Delete.
12942         (ia64_section_type_flags): New function.
12943         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
12944         (TARGET_RWRELOC): Define.
12945
12946 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
12947
12948         PR target/18987
12949         * config/ia64/ia64.c (process_set): For alloc insn, only call
12950         process_epilogue is !frame_pointer_needed.
12951
12952 2005-01-10  Roger Sayle  <roger@eyesopen.com>
12953
12954         PR c++/19355
12955         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
12956         unary operator and can't be treated as a binary/comparison operator.
12957
12958 2005-01-10  Richard Henderson  <rth@redhat.com>
12959
12960         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
12961         (ix86_return_in_memory): Likewise.
12962         (function_arg_advance):  Likewise.  Mirror structure in function_arg
12963         for choosing register to advance.
12964
12965 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
12966
12967         * tree-vectorizer.c, tree.def: Fix comment typos.
12968
12969 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
12970
12971         * config/s390/s390.c (struct processor_costs): 4 new fields:
12972         ddbr, ddr, debr, der.
12973         (s390_rtx_costs): More precise handling of divide instructions.
12974
12975 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
12976
12977         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
12978
12979 2005-01-10  Jan Beulich  <jbeulich@novell.com>
12980
12981         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
12982         names resulting from -ffunction-sections/-fdata-sections and linkonce
12983         ones.
12984         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
12985         based on the section name. Rearrange the section name comparison logic
12986         slightly so that each section name is compared against at most once.
12987
12988 2005-01-10  Ben Elliston  <bje@au.ibm.com>
12989
12990         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
12991         targets for which -fPIC reduces limitations on the GOT size.
12992
12993 2005-01-09  Falk Hueffner  <falk@debian.org>
12994
12995         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
12996         X/C1 cmpop C2.
12997
12998 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
12999
13000         PR target/18720
13001         * collect2.c (main): Set aixrtl_flag for -brtl option.
13002         (resolve_lib_name): Search for .so file extension before .a
13003         if aixrtl_flag set.
13004
13005 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
13006
13007         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
13008         (vect_analyze_data_refs_alignment): Add dump prints.
13009
13010 2005-01-09  Ira Rosen  <irar@il.ibm.com>
13011
13012         * tree-vectorizer.c (vect_analyze_offset_expr): Use
13013         expr_invariant_in_loop_p.
13014         Initialize outputs first thing in the function.
13015         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
13016         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
13017         (vect_analyze_pointer_ref_access): Check that the initial condition of
13018         the access function is loop invariant.
13019
13020 2005-01-09  Richard Henderson  <rth@redhat.com>
13021
13022         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
13023         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
13024         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
13025         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
13026         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
13027         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
13028         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
13029         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
13030         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
13031         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
13032         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
13033         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
13034         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
13035         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
13036         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
13037         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
13038         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
13039         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
13040         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
13041         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
13042         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
13043         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
13044         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
13045         mmx_ prefix.
13046         (mmx_clrdi, pavgusb): Remove.
13047         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
13048         with leading sse_ prefix.
13049         * config/i386/sse.md: Receive them.
13050         * config/i386/mmx.md: New file.
13051         (MMXMODE12, MMXMODE24, mmxvecsize): New.
13052         (subrv2sf3): Turn into expander for normal subtraction.
13053         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
13054         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
13055         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
13056         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
13057         commutative; use ix86_binary_operator_ok.
13058         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
13059         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
13060         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
13061         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
13062         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
13063         Macroize from existing patterns; use ix86_binary_operator_ok.
13064         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
13065         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
13066         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
13067         with vec_select+vec_concat.
13068         (mmx_pshufw, mmx_pshufw_1): Likewise.
13069         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
13070         (mmx_uavgv4hi3): Model correctly.
13071         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
13072         _mm_xor_si64): Remove casts.
13073
13074 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
13075
13076         PR tree-optimization/19224
13077         * tree-scalar-evolution.c (get_instantiated_value,
13078         set_instantiated_value): New functions.
13079         (instantiate_parameters_1): Cache the results.
13080         (instantiate_parameters, resolve_mixers): Initialize and free
13081         the cache.
13082
13083 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
13084
13085         * config/i386/i386.md (addhi_4): Correct reference in comment.
13086         (addqi_4): Same.
13087
13088 2005-01-08  Richard Henderson  <rth@redhat.com>
13089
13090         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
13091         (_mm_cvtsi128_si64x): Likewise.
13092         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
13093         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
13094         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
13095         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
13096         * config/i386/i386-protos.h: Update.
13097         * config/i386/i386.c (print_operand): Add 'H'.
13098         (ix86_fixup_binary_operands): Split out from ...
13099         (ix86_expand_binary_operator): ... here.
13100         (ix86_fixup_binary_operands_no_copy): New.
13101         (ix86_expand_fp_absneg_operator): Handle vector mode results.
13102         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
13103         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
13104         (safe_vector_operand): Use CONST0_RTX.
13105         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
13106         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
13107         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
13108         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
13109         special cases.
13110         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
13111         (IX86_BUILTIN_CMPNGESS): New.
13112         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
13113         (attr type): Add sselog1.
13114         (attr unit, attr memory): Handle it.
13115         (movti, movti_internal, movti_rex64): Move near other integer moves.
13116         (movtf, movtf_internal): Move near other fp moves.
13117         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
13118         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
13119         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
13120         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
13121         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
13122         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
13123         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
13124         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
13125         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
13126         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
13127         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
13128         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
13129         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
13130         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
13131         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
13132         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
13133         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
13134         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
13135         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
13136         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
13137         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
13138         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
13139         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
13140         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
13141         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
13142         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
13143         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
13144         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
13145         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
13146         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
13147         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
13148         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
13149         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
13150         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
13151         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
13152         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
13153         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
13154         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
13155         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
13156         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
13157         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
13158         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
13159         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
13160         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
13161         same time.
13162         (SSEPUSH, push<SSEPUSH>): Remove.
13163         (MMXPUSH, push<MMXPUSH>): Remove.
13164         (sse_movaps, sse_movaps_1, sse_movups): Remove.
13165         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
13166         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
13167         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
13168         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
13169         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
13170         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
13171         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
13172         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
13173         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
13174         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
13175         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
13176         (ppro_sse_log_V4SF): Handle sselog1.
13177         * config/i386/predicates.md (const_0_to_1_operand): New.
13178         (const_0_to_255_mul_8_operand): New.
13179         (const_1_to_31_operand): Rename from const_int_1_31_operand.
13180         (const_2_to_3_operand, const_4_to_7_operand): New.
13181         * config/i386/sse.md: New file.
13182         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
13183         (sse_movups): Rename from sse_movups_1.
13184         (sse_loadlss): Rename from sse_loadss_1.
13185         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
13186         from the name.
13187         (negv4sf2): Use ix86_expand_fp_absneg_operator.
13188         (absv4sf2, negv2df, absv2df): New.
13189         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
13190         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
13191         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
13192         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
13193         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
13194         (sse3_addsubv4sf3): Model correctly.
13195         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
13196         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
13197         (sse_movhlps): Model with vec_select+vec_concat.
13198         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
13199         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
13200         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
13201         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
13202         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
13203         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
13204         sse2_pshufhw_1): Likewise.
13205         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
13206         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
13207         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
13208         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
13209         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
13210         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
13211         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
13212         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
13213         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
13214         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
13215         sminv8hi3): Mark commutative
13216         operands.  Use ix86_binary_operator_ok.
13217         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
13218         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
13219         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
13220         sse2_punpcklqdq): Allow operand2 in memory.
13221         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
13222         sse2_movsd): Add memory alternatives.
13223         (sse_storelps): Turn expander into an insn; split after reload.
13224         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
13225         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
13226
13227 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13228
13229         * configure.ac (DWARF-2 debug_line): Use objdump.
13230         * configure: Regenerate.
13231
13232 2005-01-08  Jeff Law  <law@redhat.com>
13233             Diego Novillo  <dnovillo@redhat.com>
13234
13235         PR tree-optimization/18241
13236         * tree-nrv.c (tree_nrv): Ignore volatile return values.
13237         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
13238         statements with volatile operands.
13239         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
13240         operands after marking a statement with has_volatile_ops.
13241
13242 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13243
13244         * tree.c (int_fits_type_p): Always honor integer constant
13245         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13246
13247 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13248
13249         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13250         the latent bug in rtl_delete_block has been resolved.
13251
13252 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13253
13254         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13255         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13256
13257 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13258
13259         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13260         library as @multilib_dir@/$(SHLIB_SONAME).
13261
13262 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13263
13264         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13265         * configure: Regenerate.
13266
13267 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13268
13269         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13270         TYPE_MODE.
13271
13272 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
13273
13274         PR target/13674
13275         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13276         Convert non-word aligned offset address using ld/std into
13277         indirect address.
13278
13279 2005-01-07  Richard Henderson  <rth@redhat.com>
13280
13281         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13282
13283 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
13284
13285         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13286
13287 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13288
13289         PR tree-optimization/19283
13290         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13291         is not shorter than the original type.
13292
13293         PR rtl-optimization/19012
13294         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13295
13296         PR rtl-optimization/18861
13297         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13298         (FULL_STATE): Define.
13299         (mark_tablejump_edge): New function.
13300         (purge_dead_tablejump_edges): New function.
13301         (find_bb_boundaries): Use it.
13302
13303         PR tree-optimization/18828
13304         * builtins.c (expand_builtin_next_arg): Remove argument and all
13305         the argument checking.
13306         (expand_builtin): Adjust caller.
13307         (expand_builtin_va_start): Likewise.  Remove error for too many
13308         arguments.
13309         (fold_builtin_next_arg): Issue error for too many arguments.
13310         After checking arguments, replace them with magic arguments that
13311         prevent further checking of the args.
13312
13313 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13314
13315         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13316
13317 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13318
13319         PR target/6077
13320         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13321         and %{.S:...} (and their negative variants) to test whether the
13322         input file is assembler or pre-processed-assembler independent of
13323         the actual filename extension.
13324
13325 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13326
13327         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13328         of sign or zero extended values.
13329
13330 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
13331
13332         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13333         for IBM long double format correctly.
13334
13335 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
13336
13337         Fix PR tree-optimization/18792
13338
13339         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13340         to first_loop_depth, and use loop depth instead of loop number.
13341         (build_classic_dir_vector): Ditto.
13342         (compute_data_dependences_for_loop): Use depth, not loop number.
13343         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13344         number. Pass in loops, instead of loop numbers.
13345         (gather_interchange_stats): Ditto.
13346         (linear_transform_loops): Ditto.
13347
13348 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
13349
13350         PR rtl-opt/13299
13351         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13352         biv_fits_mode_p, extension_within_bounds_p): New functions.
13353         (check_ext_dependent_givs): Use them.
13354
13355 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13356
13357         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13358         more than one barrier, in which case we should delete them all.
13359
13360 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
13361
13362         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13363
13364 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
13365
13366         Fix PR middle-end/19286
13367         Fix PR debug/19267
13368         * dwarf2out.c (gen_subprogram_die): If we've already tried to
13369         output this subprogram, simply ignore this attempt to do it again.
13370         (add_abstract_origin_attribute): Don't abort trying to add the abstract
13371         origin attribute if it's not possible.
13372         (gen_block_die): Don't ignore subblocks of "unused" blocks.
13373         (decls_for_scope): Ditto.
13374         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13375         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13376
13377 2005-01-05  Richard Henderson  <rth@redhat.com>
13378
13379         PR target/11327
13380         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13381         (bdesc_2arg): Use it.
13382         (ix86_expand_binop_builtin): Force operands into registers
13383         when optimizing.
13384         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13385         ix86_expand_sse_compare, ix86_expand_sse_comi,
13386         ix86_expand_builtin): Likewise.
13387
13388 2005-01-05  Richard Henderson  <rth@redhat.com>
13389
13390         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13391         and VEC_SELECT.
13392         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13393         (mulv4hi3): Set itanium_class mmmul.
13394         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13395         (fpack): Rename from fpack_sfsf.
13396
13397 2005-01-05  Richard Henderson  <rth@redhat.com>
13398
13399         PR rtl-opt/10692
13400         * reload1.c (do_input_reload): Restrict the optimization deleteing
13401         a previous output reload to RELOAD_FOR_INPUT.
13402
13403 2005-01-05  Steven Bosscher  <stevenb@suse.de>
13404
13405         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
13406         comment that we fall through after case.
13407         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13408         (distribute_links): Likewise.
13409         * cse.c (cse_insn): Likewise.
13410         * cselib.c (cselib_invalidate_mem): Likewise.
13411         * df.c: Update comments at the top of the file.
13412         (read_modify_subreg_p): Update comments here too.
13413         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13414         * flow.c (mark_set_1): Likewise.
13415         (mark_used_regs): Likewise.
13416         * gcse.c (mems_conflict_for_gcse_p): Likewise.
13417         (canon_list_insert): Likewise.
13418         (mark_set): Likewise.
13419         (try_replace_reg): Likewise.
13420         (store_killed_in_insn): Likewise.
13421         * loop.c (count_one_set): Likewise.
13422         (basic_induction_var): Likewise.
13423         * postreload-gcse.c (find_mem_conflicts): Likewise.
13424         * postreload.c (reload_combine_note_store): Likewise.
13425         (move2add_note_store): Likewise.
13426         * reload.c (find_equiv_reg): Likewise.
13427         (mark_referenced_resources): Likewise.
13428         * rtlanal.c (set_noop_p): Likewise.
13429         (note_stores): Likewise.
13430         (note_uses): Likewise.
13431         * sched-deps.c (sched_analyze_1): Likewise.
13432         * sched-rgn.c (check_live_1): Likewise.
13433         (update_live_1): Likewise.
13434         * config/i860/i860.c: Likewise.
13435
13436         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13437         an lvalue.
13438         (ZERO_EXTRACT): Mention that this one can be an lvalue.
13439
13440         * doc/rtl.texi: Update documentation for bit-fields and SET.
13441
13442 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13443
13444         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13445
13446 2005-01-05  Jan Hubicka  <jh@suse.cz>
13447             Richard Henderson  <rth@redhat.com>
13448
13449         PR target/18910
13450         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13451         with an offset.
13452
13453 2005-01-05  Richard Henderson  <rth@redhat.com>
13454
13455         PR target/12902
13456         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13457         (sse_shufps): Change operand 3 to const_int_operand.
13458         (sse2_storelps): Fix typo in template.
13459         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13460         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13461         (ix86_expand_builtin): Likewise.
13462
13463 2005-01-05  Julian Brown  <julian@codesourcery.com>
13464
13465         * config/arm/arm.c (arm_return_in_memory): Treat complex types
13466         as aggregates for AAPCS ABIs.
13467
13468 2005-01-05  Stan Shebs  <shebs@apple.com>
13469
13470         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13471         Mach-O getters if ppc64.
13472         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13473         size argument.
13474         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13475         signed four-byte field for global code case.
13476         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13477
13478 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13479
13480         PR middle-end/19100
13481         * c-common.c: Include real.h.
13482         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13483         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13484         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13485         * Makefile.in (c-common.o): Update dependencies.
13486
13487 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13488
13489         * c-parse.in (asm_string): Add trailing semicolon.
13490
13491 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13492
13493         * c-parse.in (asm_string): New.  Don't allow wide strings in
13494         'asm'.
13495         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13496         asm_string instead of STRING.
13497
13498 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13499
13500         * c-typeck.c (constructor_no_implicit): Remove.
13501         (set_designator, process_init_element): Don't check
13502         constructor_no_implicit.
13503
13504 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
13505             Kaz Kojima  <kkojima@gcc.gnu.org>
13506
13507         PR target/16482
13508         * lcm.c (create_pre_exit): New.
13509         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13510         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
13511
13512 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13513
13514         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13515         -msoft-float in target_float_switch.
13516         * arm.c (arm_override_options): Fix processing of target_float_switch.
13517
13518 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13519
13520         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13521         preferencing.
13522
13523 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
13524
13525         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13526         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13527
13528 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13529
13530         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13531         if deleting the then-block allows the test-block to fallthru to the
13532         else-block.
13533
13534 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
13535
13536         PR c/19152
13537         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13538         after the full declaration if the are in two different TUs.
13539
13540 2005-01-04  Richard Henderson  <rth@redhat.com>
13541
13542         PR tree-opt/19158
13543         * tree-sra.c (generate_one_element_init): Just
13544         call gimplify_and_add.
13545         (generate_element_init): Record the
13546         new referenced variables and mark them for renaming
13547         and split out to ...
13548         (generate_element_init_1): This.
13549         (scalarize_init): Don't call push_gimplify_context/
13550         pop_gimplify_context.
13551
13552 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
13553
13554         * toplev.c (get_src_pwd): Handle failure of getpwd().
13555
13556 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13557
13558         * fold-const.c (fold_single_bit_test): Delete unreachable handling
13559         of TRUTH_NOT_EXPR.
13560         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13561         all the cases handled by it are inverted by invert_truthvalue.
13562
13563 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13564
13565         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13566         (save_register_windowsi): Likewise.
13567
13568 2005-01-04  Richard Henderson  <rth@redhat.com>
13569
13570         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13571
13572 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13573
13574         PR middle-end/17767
13575         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13576         any simplifications of vector mode comparison operators.
13577         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13578
13579 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
13580             Devang Patel  <dpatel@apple.com>
13581
13582         PR tree-optimization/18308
13583         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13584         the operands before creating a new expression.
13585         * dojump.c (do_jump): Make drop_through_label available
13586         for all cases.  Add expansion of COND_EXPR.
13587
13588 2005-01-04  Ira Rosen  <irar@il.ibm.com>
13589
13590         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13591         INTEGER_CST instead of TREE_CONSTANT.
13592         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13593         instead of TREE_CONSTANT.
13594         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13595         instead of TREE_CONSTANT.
13596
13597 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13598
13599         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13600
13601 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13602
13603         PR target/19240
13604         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13605         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13606
13607 2005-01-03  Richard Henderson  <rth@redhat.com>
13608
13609         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13610         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13611         fold_convert_const_real_from_real): Split out from ...
13612         (fold_convert_const): ... here.
13613
13614 2005-01-03  Richard Henderson  <rth@redhat.com>
13615
13616         PR target/19235
13617         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13618         (mov<MMXMODEI>_internal): Likewise.
13619         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13620         Add V2SF case; use it for SSE1; don't use TI.
13621         (movdf_integer): Likewise.
13622         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13623
13624 2005-01-03  Ira Rosen  <irar@il.ibm.com>
13625
13626         * tree-vectorizer.c (vect_strip_conversions): New function.
13627         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13628         check for binary class.
13629
13630 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
13631
13632         Fix PR debug/17924
13633         Fix PR debug/19191
13634         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13635         is a decl.
13636         * gimple-low.c (mark_blocks_with_used_vars): New function.
13637         (mark_blocks_with_used_subblocks): Ditto.
13638         (mark_used_blocks): Ditto.
13639         (pass_mark_used_blocks): New pass.
13640         * tree-inline.c: Include debug.h.
13641         (expand_call_inline): Call outlining_inline_function here.
13642         * tree-optimize.c (init_tree_optimization_passes): Add
13643         pass_mark_used_blocks.
13644         * tree-pass.h (pass_mark_used_blocks): New.
13645         * Makefile.in (tree-inline.o): Add debug.h dependency.
13646
13647 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
13648
13649         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13650         VAR_DECLs to have weak_import attribute.
13651
13652         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13653         'struct ucontext'.
13654
13655 2004-01-03  Steven Bosscher  <stevenb@suse.de>
13656
13657         * passes.c (rest_of_compilation): Don't run regmove if only
13658         flag_expensive_optimizations, require flag_regmove instead.
13659
13660 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13661
13662         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13663         register "sparc".
13664         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13665         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13666         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13667         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13668
13669 2005-01-03  Richard Henderson  <rth@redhat.com>
13670
13671         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13672         (ia64_const_ok_for_letter_p): New.
13673         (ia64_const_double_ok_for_letter_p): New.
13674         (ia64_extra_constraint): New.
13675         (ia64_expand_vecint_compare): New.
13676         (ia64_expand_vcondu_v2si): New.
13677         (ia64_expand_vecint_cmov): New.
13678         (ia64_expand_vecint_minmax): New.
13679         (ia64_print_operand): Add 'v'.
13680         (ia64_preferred_reload_class): New.
13681         (ia64_vector_mode_supported_p): New.
13682         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13683         (PREFERRED_RELOAD_CLASS): Move to function.
13684         (CONST_OK_FOR_LETTER_P): Move to function.
13685         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13686         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13687         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13688         (EXTRA_CONSTRAINT): Move to function.
13689         * config/ia64/ia64.md: Include vect.md.
13690         (itanium_class): Add mmalua.
13691         (type): Handle it.
13692         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
13693         (1b_mmalua): New.
13694         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13695         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13696         CONST0_RTX.
13697         (const_int_2bit_operand): New.
13698         (fr_reg_or_0_operand): New.
13699         * config/ia64/ia64-modes.def: Add vector modes.
13700         * config/ia64/ia64-protos.h: Update.
13701         * config/ia64/vect.md: New file.
13702
13703 2005-01-03  Richard Henderson  <rth@redhat.com>
13704
13705         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13706
13707 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
13708
13709         PR target/19236
13710         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13711         to SFmode.
13712         (log1pdf2): Change mode of operands[0,1] to DFmode.
13713
13714 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13715
13716         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13717         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13718         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13719         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13720         SPARC_RELAXED_ORDERING.
13721
13722 2005-01-03  Richard Henderson  <rth@redhat.com>
13723             Uros Bizjak  <uros@kss-loka.si>
13724
13725         PR target/14631
13726         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13727         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13728         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13729         handling.
13730         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13731         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13732         const_pow2_1_to_128_operand): New predicates.
13733
13734 2005-01-02  Greg McGary  <greg@mcgary.org>
13735
13736         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13737         anonymous decls.
13738         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13739         object.  [ptr_type]: Remove unused variable.
13740         Remember nearest addressable array-element or record-component
13741         when checking bitfield components.  Tolerate empty BIND_EXPR.
13742
13743 2005-01-01  Richard Henderson  <rth@redhat.com>
13744
13745         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13746         that don't narrow the value.  Fail for other conversions.
13747
13748 2005-01-01  Richard Henderson  <rth@redhat.com>
13749
13750         PR c/19031
13751         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13752         * c-lang.c (finish_file): Don't do it here.
13753         * objc/objc-act.c (objc_finish_file): Likewise.
13754
13755         * cgraph.c (decl_assembler_name_equal): New.
13756         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13757         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13758         * cgraph.h (struct cgraph_varpool_node): Add next.
13759         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13760         * varasm.c (assemble_alias): Mark the target as needed.
13761
13762 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
13763
13764         PR middle-end/19221
13765         * function.c (get_arg_pointer_save_area): Use entry_of_function
13766         instead of get_insns.
13767
13768 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13769             Andrew Pinski  <pinskia@physics.uc.edu>
13770             James E. Wilson  <wilson@specifixinc.com>
13771
13772         PR rtl-optimization/12092
13773         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13774         is zero.
13775
13776 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13777             Olivier Hainque  <hainque@act-europe.fr>
13778
13779         * tree.c (int_fits_type_p): A narrower type always fits in a
13780         wider one, except for negative values into unsigned types.
13781
13782 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13783
13784         * tree.c (int_fits_type_p): Compare the result of force_fit_type
13785         with the original constant rather than require TREE_OVERFLOW.
13786
13787 2005-01-01  Steven Bosscher  <stevenb@suse.de>
13788
13789         PR middle-end/17544
13790         * c-decl.c (finish_function): If compiling C99, annotate the
13791         compiler generated return with the current file name and line 0.
13792         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13793         the source line is greater than 0.
13794         (remove_bb): Likewise.