gcc/ChangeLog

   1 2007-04-23  Nick Clifton  <nickc@redhat.com>
   2
   3         * params.def: Fix formatting of emacs local variables.
   4
   5 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
   6
   7         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
   8         move if inter-unit move isn't allowed.
   9         Don't split moving the first element of V2DI to DI to inter-unit
  10         move if inter-unit move isn't allowed.
  11
  12 2007-04-23  Richard Guenther  <rguenther@suse.de>
  13
  14         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
  15         and CDI_POST_DOMINATORS separately.
  16
  17 2007-04-23  Nick Clifton  <nickc@redhat.com>
  18
  19         * c.opt (Wformat-contains-nul): Add warning attribute.
  20
  21 2007-04-23  Jan Hubicka  <jh@suse.cz>
  22
  23         * function.c (init_function_start): Don't init line number info.
  24         (expand_function_end): Update.
  25         (reset_block_changes, record_block_change, finalize_block_changes,
  26         check_block_change, free_block_changes): Kill.
  27         * function.h (reset_block_changes, record_block_change,
  28         finalize_block_changes, check_block_change, free_block_changes): Remove
  29         prototypes.
  30         (struct function): Remove ib_boundaries_block.
  31         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
  32         Use curr_insn_locator to initialize locator.
  33         (emit_line_note): Remove.
  34         * cfgexpand.c (expand_gimple_cond_expr): Update.
  35         (construct_exit_block): Likewise.
  36         (tree_expand_cfg): Initialize/finalize locators.
  37         * expr.c (expand_expr_real): Update.
  38         * cfglayout.c (line_locators_locs, line_locators_lines,
  39         file_locators_locs, file_locators_files): Remove.
  40         (set_block_levels): Move to cfgexpand.c.
  41         (insn_locators_initialize): Remove.
  42         (pass_insn_locators_initialize): Remove.
  43         (locations_locators_locs, locations_locators_vals): New static vars.
  44         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
  45         Likewise.
  46         (insn_locators_alloc, insn_locators_finalize,
  47         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
  48         New functions.
  49         (locator_location): New.
  50         (locator_line, locator_file): Rewrite.
  51         * rtl.h (emit_line_note): Kill.
  52         (insn_locators_alloc, insn_locators_finalize,
  53         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
  54         Declare.
  55         * tree-inline.c (initialize_cfun): Do not initialize
  56         ib_boundaries_block.
  57         * passes.c (pass_insn_locators_initialize): Remove.
  58
  59 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  60
  61         PR middle-end/31448
  62         * expr.c (reduce_to_bit_field_precision): Handle
  63         CONST_INT rtx's.
  64
  65 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
  66
  67         PR tree-optimization/24659
  68         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
  69         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
  70         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
  71         * genopinit.c (optabs): Rename vec_pack_mod_optab
  72         to vec_pack_trunc_optab.
  73         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
  74         early for scalar floating point operands for NOP_EXPR.
  75         (vectorizable_type_promotion): Ditto.
  76         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
  77         vec_pack_trunc_optab.
  78         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
  79
  80         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
  81         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
  82         Rename from VEC_PACK_MOD_EXPR.
  83         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
  84         * expr.c (expand_expr_real_1): Ditto.
  85         * tree-inline.c (estimate_num_insns_1): Ditto.
  86         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
  87
  88         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
  89         (vec_unpacks_lo_v4sf): Ditto.
  90         (vec_pack_trunc_v2df): Ditto.
  91         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
  92         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
  93         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
  94
  95         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
  96         vec_pack_mod_v8hi.
  97         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
  98
  99         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
 100         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
 101         packing of floating point operands.
 102         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
 103         represent unpacking of floating point operands.
 104         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
 105         [vec_unpacks_hi]: Ditto.
 106         [vec_unpacks_lo]: Ditto.
 107
 108 2007-04-22  Jan Hubicka  <jh@suse.cz>
 109
 110         * final.c (rest_of_handle_final): Call
 111         targetm.asm_out.constructor/targetm.asm_out.destructor
 112         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
 113         proper priority via decl_*_priority_insert.
 114         * c-common.c (c_expand_body): Likewise.
 115
 116 2007-04-22  Richard Guenther  <rguenther@suse.de>
 117
 118         PR tree-optimization/29789
 119         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
 120         (rewrite_reciprocal): New helper split out from
 121         determine_invariantness_stmt.
 122         (rewrite_bittest): Likewise.
 123         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
 124         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
 125         is not.
 126
 127 2007-04-22  Revital Eres  <eres@il.ibm.com>
 128
 129         * loop-unroll.c (var_to_expand): New field to support also
 130         insns of the form x = something + x.
 131         (analyze_insn_to_expand_var): Use it.
 132         (expand_var_during_unrolling): Likewise.
 133
 134 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
 135
 136         * predict.c: Include pointer-set.h.
 137         (bb_predictions): New variable.
 138         (tree_predicted_by_p, tree_predict_edge,
 139         remove_predictions_associated_with_edge): Use bb_predictions map
 140         instead of bb->predictions.
 141         (clear_bb_predictions, assert_is_empty): New functions.
 142         (combine_predictions_for_bb): Use bb_predictions map.  Call
 143         clear_bb_predictions.
 144         (tree_estimate_probability): Create and free bb_predictions map.
 145         * Makefile.in (predict.o): Add pointer-set.h dependency.
 146         * basic-block.h (struct basic_block_def): Remove predictions
 147         field.
 148         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
 149
 150 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
 151
 152         PR target/31480
 153         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
 154         is null.
 155
 156 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 157
 158         * timevar.c (timevar_print): Change reference of --disable-checking to
 159         --enable-checking=release.  Also warn if assert checking is disabled.
 160
 161 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 162
 163         PR C/30265
 164         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
 165         decl as addressable if the compound literal was marked as
 166         addressable.
 167         Mark the decl as a gimple register if it is a complex or
 168         vector decl and does not live in memory.
 169
 170 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 171
 172         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
 173         (GENERIC_NEXT): New function macro.
 174         (PHI_CHAIN): Use phi_node's new chain variable.
 175         (tree_phi_node): Change tree_common to tree_base
 176         and add the chain field.
 177         * tree-phinodes.c (make_phi_node): Don't set
 178         TREE_TYPE on the new node.
 179         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
 180         instead of checking GIMPLE_TUPLE_P in chain_next.
 181         * tree-vect-transform.c
 182         (get_initial_def_for_induction): Look at
 183         PHI_RESULT_TREE for the type of the phi node.
 184         (update_vuses_to_preheader): Use PHI_CHAIN
 185         instead of TREE_CHAIN on the phi node.
 186         * tree-ssa-structalias.c (compute_points_to_sets):
 187         Likewise.
 188         (ipa_pta_execute): Likewise.
 189
 190 2007-04-21  Richard Guenther  <rguenther@suse.de>
 191
 192         PR middle-end/31136
 193         * fold-const.c (fold_unary): Call fold_convert_const on the
 194         original tree.
 195
 196 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
 197
 198         * gcse.c (store_killed_in_insn): Handle PARALLELs.
 199         (store_killed_in_pat): New.
 200
 201 2007-04-20  Richard Henderson  <rth@redhat.com>
 202
 203         PR target/31628
 204         * config/i386/i386.c (type_has_variadic_args_p): Look for any
 205         TREE_LIST with a void_type_node value, not void_list_node exactly.
 206
 207 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
 208
 209         * doc/standards.texi: Re-arrange into language-specific
 210         subsections. Add a C++ section, documenting which standards we
 211         support.
 212
 213 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
 214
 215         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
 216         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
 217
 218 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
 219
 220         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
 221         ecrti.o and crtbegin.o.
 222         (LIB_DEFAULT_SPEC): Include -lc.
 223         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
 224
 225 2007-04-20  Richard Henderson  <rth@redhat.com>
 226
 227         PR target/28623
 228         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
 229         argument; update all callers.
 230         (get_unaligned_offset): New.
 231         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
 232         get_unaligned_address, just pass on the address directly.
 233         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
 234         the subreg in the helper patterns.
 235         (unaligned_extendqidi_le): Use get_unaligned_offset.
 236         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
 237         (unaligned_extendhidi_be): Likewise.
 238         (unaligned_extendhidi): Tidy.
 239         * config/alpha/alpha-protos.h: Update.
 240
 241 2007-04-20  Richard Henderson  <rth@redhat.com>
 242
 243         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
 244         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
 245         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
 246         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 247         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 248         (CPP_SPEC): Don't include %(cpp_subtarget).
 249         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
 250         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 251         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
 252
 253 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
 254
 255         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
 256         for __builtin_ia32_cmpordss.
 257
 258         PR tree-optimization/31632
 259         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
 260         and arg1 for optimizations of comparison against min/max values.
 261         Fold arg0 to arg1's type for optimizations of comparison against
 262         min+1 and max-1 values.
 263
 264 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 265
 266         * reload.c (combine_reloads): When trying to use a dying register,
 267         check whether it's uninitialized and don't use if so.
 268
 269 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
 270
 271         * fold-const.c: Remove prototypes for native_encode_expr and
 272         native_interpret_expr.
 273         (native_encode_expr): Make non-static.
 274         (native_interpret_expr): Likewise.
 275         * tree.h: Add prototypes for the above.
 276
 277 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
 278
 279         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
 280         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
 281         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
 282         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
 283         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
 284         Add length attributes.
 285
 286 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
 287
 288         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
 289         not that it is 1.
 290
 291         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
 292         __STDC_WANT_DEC_FP__.
 293
 294 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
 295
 296         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
 297         for long double compatibility.
 298         * configure: Regenerate.
 299
 300 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
 301
 302         PR rtl-optimization/29841
 303         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
 304         trap instructions.
 305         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
 306         that may cause control flow transfer from being moved.
 307
 308 2007-04-18  Jan Hubicka  <jh@suse.cz>
 309
 310         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
 311         types.
 312
 313 2007-04-18  Eric Christopher  <echristo@apple.com>
 314
 315         * config/rs6000/darwin.md (load_macho_picbase): Use link register
 316         only. Update operands.
 317         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
 318         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
 319         link register to pic register.
 320
 321 2007-04-18  Dirk Mueller  <dmueller@suse.de>
 322
 323         PR diagnostic/31227
 324         * tree-vrp.c (search_for_addr_array): New.
 325         (check_array_bounds): Suppress warning about
 326         address taken of array refs if its not de-referenced.
 327
 328 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 329
 330         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
 331         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
 332
 333         * tree-vectorizer.h (NITERS_KNOWN_P): New.
 334         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
 335         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
 336
 337         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
 338         dump print.
 339         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
 340         print message.
 341         (vect_analyze_scalar_cycles): Fix indentation.
 342         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
 343         (vect_mark_relevant): Include phis in relevance analysis.
 344
 345         * tree-vect-transform.c (vect_transform_loop): Add an assert.
 346
 347 2007-04-18  Anatoly Sokolov <aesok@post.ru>
 348
 349         * config/avr/avr.c (ptrreg_to_str): Replace error() with
 350         output_operand_lossage().
 351
 352 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 353
 354         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
 355         the unused code for reduction without adjust-in-epilog to simplify the
 356         function.
 357
 358 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
 359
 360         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
 361         (S390_TDC_NEGATIVE_ZERO): New constant.
 362         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
 363         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
 364         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
 365         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
 366         (S390_TDC_POSITIVE_INFINITY): New constant.
 367         (S390_TDC_NEGATIVE_INFINITY): New constant.
 368         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
 369         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
 370         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
 371         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
 372         (S390_TDC_INFINITY): New constant.
 373         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
 374         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
 375         optimization for UNSPEC_CCZ_TO_INT.
 376         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
 377         ("*ccz_to_int"): New insn.
 378         ("isinf<mode>2"): New insn.
 379         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
 380         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
 381         (UNSPEC_CCZ_TO_INT): New constant.
 382
 383 2007-04-18  Richard Guenther  <rguenther@suse.de>
 384
 385         PR tree-optimization/19431
 386         PR tree-optimization/21463
 387         * tree-pass.h (pass_phiprop): Declare.
 388         * passes.c (init_optimization_passes): New phiprop pass.
 389         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
 390         (phivn_valid_p): New helper function.
 391         (phiprop_insert_phi): Likewise.
 392         (propagate_with_phi): Likewise.
 393         (tree_ssa_phiprop): New propagator propagating loads
 394         through phi nodes if profitable.
 395
 396 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 397
 398         * tree-vect-analyze.c (process_use): New function.
 399         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
 400         Check phis in all bbs.
 401         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
 402         assert.
 403
 404 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 405
 406         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
 407         we use REG_EQUAL.
 408
 409 2007-04-17  Anatoly Sokolov <aesok@post.ru>
 410
 411         PR target/30483
 412         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
 413         error().
 414
 415 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
 416
 417         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
 418         on "0".
 419         (sse_vmmulv4sf3): Likewise.
 420         (sse2_vmaddv2df3): Likewise.
 421         (sse2_vmmulv2df3): Likewise.
 422
 423 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
 424
 425         PR rtl-optimization/31360
 426         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
 427         (target_reg_cost): New.
 428         (init_set_costs): Initialize target_reg_cost.  Add comments
 429         regarding the rationale of the costs.
 430         (global_cost_for_size): Renamed to...
 431         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
 432         of register pressure.
 433         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
 434         estimate_reg_pressure_cost.  Add number of ivs.
 435         (determine_set_costs): Dump target_reg_cost.
 436         * loop-invariant.c (gain_for_invariant):  Use
 437         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
 438         (best_gain_for_invariant, find_invariants_to_move): Remove
 439         n_inv_uses.
 440         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
 441         (target_reg_cost): Declare.
 442         (global_cost_for_size): Declaration removed.
 443         (estimate_reg_pressure_cost): Declare.
 444
 445 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
 446
 447         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
 448         regnos into even/odd register pairs.
 449         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
 450         TDmode similar to the other floating point modes.
 451         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
 452         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
 453         define_expand's.
 454         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
 455         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
 456         (movdd_hardfloat64): Use TARGET_MFPGPR.
 457
 458 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
 459
 460         * reload1.c (delete_output_reload): Don't count output in n_inherited.
 461
 462         Revert
 463         2005-01-05  Richard Henderson  <rth@redhat.com>
 464         PR rtl-opt/10692
 465         * reload1.c (do_input_reload): Restrict the optimization deleteing
 466         a previous output reload to RELOAD_FOR_INPUT.
 467
 468 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
 469
 470         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
 471         induc_vec_info_type.
 472         (vectorizable_induction): New function declaration.
 473         * tree-vect-transform.c (get_initial_def_for_induction): No need to
 474         check if already vectorized.  Find first place in BB where new stmts
 475         can be inserted.  Takes only one argument.
 476         (vectorizable_induction): New function.
 477         (vect_transform_stmt): Add case for induc_vec_info_type to call
 478         vectorizable_induction.
 479         (vect_transform_loop): Consider phis for vectorization.
 480         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
 481         condition.
 482         (analyze_operations): Call vectorizable_induction when analyzing phis.
 483         Fix comment.
 484         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
 485         (vect_mark_relevant): Include phis in relevance analysis.
 486         (vect_mark_stmts_to_be_vectorize): Likewise.
 487         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
 488
 489 2007-04-16  Lawrence Crowl  <crowl@google.com>
 490
 491         * doc/invoke.texi (Debugging Options): Add documentation for the
 492         -femit-struct-debug options -femit-struct-debug-baseonly,
 493         -femit-struct-debug-reduced, and
 494         -femit-struct-debug-detailed[=...].
 495
 496         * c-opts.c (c_common_handle_option): Add
 497         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
 498         and OPT_femit_struct_debug_detailed_.
 499         * c.opt: Add specifications for
 500         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
 501         and -femit-struct-debug-detailed[=...].
 502         * opts.c (set_struct_debug_option): Parse the
 503         -femit-struct-debug-... options.
 504         * opts.c (matches_main_base, main_input_basename,
 505         main_input_baselength, base_of_path, matches_main_base): Add
 506         variables and functions to compare header base name to compilation
 507         unit base name.
 508         * opts.c (should_emit_struct_debug): Add to determine to emit a
 509         structure based on the option.
 510         (dump_struct_debug) Also disabled function to debug this
 511         function.
 512         * opts.c (handle_options): Save the base name of the
 513         compilation unit.
 514
 515         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
 516         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
 517         This hook indicates if a type is generic.  Set it by default
 518         to "never generic".
 519         * langhooks.h (struct lang_hooks_for_types): Add a new hook
 520         to determine if a struct type is generic or not.
 521         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
 522         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
 523         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
 524         with live C++ hook.
 525
 526         * flags.h (enum debug_info_usage): Add an enumeration to describe
 527         a program's use of a structure type.
 528         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
 529         to indicate the program's usage of the type.  Filter structs based
 530         on the -femit-struct-debug-... specification.
 531         (gen_type_die): Split into two routines, gen_type_die and
 532         gen_type_die_with_usage.  gen_type_die is now a wrapper
 533         that assumes direct usage.
 534         (gen_type_die_with_usage): Replace calls to gen_type_die
 535         with gen_type_die_with_usage adding the program usage of
 536         the referenced type.
 537         (dwarf2out_imported_module_or_decl): Suppress struct debug
 538         information using should_emit_struct_debug when appropriate.
 539
 540 2007-04-16  Ian Lance Taylor  <iant@google.com>
 541
 542         PR tree-optimization/31522
 543         * tree-vrp.c (vr_phi_edge_counts): New static variable.
 544         (vrp_initialize): Allocate vr_phi_edge_counts.
 545         (vrp_visit_phi_node): Don't push to infinity if we saw a new
 546         executable edge.  Drop test for all constants.
 547         (vrp_finalize): Free vrp_phi_edge_counts.
 548
 549         * doc/cpp.texi (Common Predefined Macros): Clarify description of
 550         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 551
 552         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
 553         predecessors at head rather than tail.
 554
 555 2007-04-16  Matthias Klose  <doko@debian.org>
 556
 557         * config/alpha/linux.h (CPP_SPEC): Define.
 558         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
 559
 560 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
 561
 562         * function.h: Remove sequence_stack extern declaration.
 563
 564 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 565
 566         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
 567         TARGET_FIDOA.
 568         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
 569         defined.
 570
 571 2007-04-16  Anatoly Sokolov <aesok@post.ru>
 572
 573         * config/avr/avr.c (avr_arch_types): Rearranging  array.
 574         (enum avr_arch): Add.
 575         (avr_mcu_types): Use avr_arch enumeration constants instead of
 576         numbers.
 577         * config/avr/avr.h (LINK_SPEC): Simplify.
 578
 579 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 580
 581         * config/m68k/m68k.c (m68k_libcall_value,
 582         m68k_function_value): Use macros for register names more.
 583
 584         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
 585         instead.
 586         (M68K_REGNAME): Use A6_REG.
 587         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
 588
 589 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 590
 591         PR middle-end/28071
 592         * sched-int.h (struct deps): Split field 'pending_lists_length' into
 593         'pending_read_list_length' and 'pending_write_list_length'.  Update
 594         comment.
 595         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
 596         to handle two length counters instead of one.  Update all uses.
 597         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
 598         two length counters instead of one.
 599         * sched-rgn.c (propagate_deps): Update to handle two length counters
 600         instead of one.
 601
 602 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
 603
 604         PR target/31582
 605         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
 606         copy of source, pass it to ix86_expand_vector_set and return
 607         it as target.
 608
 609 2007-04-16  David Ung  <davidu@mips.com>
 610             Joseph Myers  <joseph@codesourcery.com>
 611
 612         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
 613         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
 614         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
 615         Add 74K processor information.
 616         * config/mips/mips.md: Include 74k.md.
 617         (cpu): Add 74kc,74kf,74kx.
 618         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
 619         * config/mips/74k.md: New.
 620         * doc/invoke.texi (MIPS Options): Document 74K support.
 621
 622 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
 623
 624         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
 625         vectorizable_* functions.
 626         * tree-vect-transform.c (vectorizable_call): Add check for
 627         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
 628         (vectorizable_store): likewise.
 629         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
 630         Add comments.
 631         (vectorizable_operation, vectorizable_type_demotion): Likewise.
 632         (vectorizable_type_promotion, vectorizable_load): Likewise.
 633         (vectorizable_live_operation, vectorizable_condition): Likewise.
 634         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
 635         STMT_VINFO_LIVE_P.
 636         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
 637
 638 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 639
 640         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
 641         register numbers more.
 642         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
 643         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
 644         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
 645         FUNCTION_VALUE_REGNO_P): Likewise.
 646         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
 647         STATIC_CHAIN_REGNUM): Likewise.
 648         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
 649         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
 650         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
 651         * config/m68k/m68k.md (FP_REG): New.
 652
 653 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 654
 655         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
 656         alignment on fido.
 657
 658 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 659
 660         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
 661         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
 662         comment typos.
 663
 664 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 665
 666         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
 667         cold loops.
 668
 669 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 670
 671         PR c/31520
 672         * c-decl.c (finish_decl): Grab the type of the decl after the call
 673         to store_init_value.
 674
 675 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
 676
 677         * common.opt (fforward-propagate): Fix "Optimization" annotation.
 678
 679 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
 680
 681         PR c++/25874
 682         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
 683         post dominators and cleanup cfg before returning.
 684
 685 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
 686
 687         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
 688         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
 689
 690 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
 691
 692         * config.gcc: Recognize fido.
 693         * config/m68k/m68k-devices.def (fidoa): New.
 694         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
 695         __mfido__.
 696         (FL_FIDOA, TARGET_FIDOA): New.
 697         * config/m68k/m68k.opt (mfidoa): New.
 698
 699 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 700
 701         PR middle-end/31322
 702         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
 703         when a personality function is used.
 704
 705 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
 706
 707         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
 708
 709 2007-04-13  Mike Stump  <mrs@apple.com>
 710
 711         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
 712         we can...
 713         * config/darwin.opt (fapple-kext): Make C++ only.
 714         * config/darwin.c (darwin_override_options): Remove code to ensure
 715         -fapple-kext is given for C++ only.
 716
 717 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
 718
 719         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
 720         * config/mips/mips.c (override_options): Call
 721         SUBTARGET_OVERRIDE_OPTIONS, if defined.
 722
 723 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 724
 725         * config/i386/i386.opt (msvr3-shlib): Removed.
 726
 727         * doc/invoke.texi: Remove -msvr3-shlib.
 728
 729 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 730
 731         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
 732         with "popcnt" instruction.
 733
 734 2007-04-13  Richard Guenther  <rguenther@suse.de>
 735
 736         PR tree-optimization/21258
 737         * tree-vrp.c (compare_case_labels): New helper.
 738         (find_switch_asserts): New function.
 739         (find_assert_locations): Call it for SWITCH_EXPRs.
 740
 741 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
 742
 743         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
 744         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
 745         check is now implied in X87_FLOAT_MODE_P.
 746         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 747         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 748         (fix_trunc<mode>_i386_fisttp): Ditto.
 749         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 750         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 751         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 752         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 753         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 754         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 755         (unnamed_splitters): Ditto.
 756         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
 757         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
 758         FIRST_SSE_REG for local functions when SSE math is enabled or
 759         for functions with sseregparm attribute.
 760         (standard_80387_constant_p): Return -1 if mode is not
 761         X87_FLOAT_MODE_P.
 762         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
 763         (ix86_expand_compare): Ditto.
 764         (ix86_expand_carry_flag_compare): Ditto.
 765         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
 766         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
 767         DECIMAL_FLOAT_MODE_P.
 768         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
 769         of SCALAR_FLOAT_MODE_P.
 770         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
 771         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
 772         checks before FLOAT_MODE_P.
 773         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
 774         before FLOAT_MODE_P.
 775         [DIV]: Ditto.
 776         [NEG]: Ditto.
 777         [ABS]: Ditto.
 778         [SQRT]: Ditto.
 779         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 780
 781 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
 782             Charles Wilson  <libtool@cwilson.fastmail.fm>
 783
 784         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
 785         (libgcc.mvars): Don't depend on them.
 786         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
 787         * exec-tool.in: New.
 788
 789 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
 790
 791         * doc/invoke.text (--help): Document --help=common.
 792
 793 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
 794
 795         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
 796
 797 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 798
 799         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
 800         * genemit.c (main): Emit #include "integrate.h".
 801         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
 802         (LOADGP_RTP): New mips_loadgp_style.
 803         * config/mips/mips.h: Include config/vxworks-dummy.h.
 804         (TARGET_RTP_PIC): New macro.
 805         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
 806         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
 807         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
 808         for TARGET_RTP_PIC.
 809         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
 810         -mvxworks-pic when using -mrtp and a PIC option.
 811         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
 812         for RTP PIC.
 813         (mips_symbolic_constant_p, mips_symbolic_address_p)
 814         (mips_symbol_insns): Handle SYMBOL_HALF.
 815         (override_options): Warn about -G and -mrtp being used together.
 816         Initialize mips_lo_relocs[SYMBOL_HALF].
 817         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
 818         (mips_emit_loadgp): Handle LOADGP_RTP.
 819         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
 820         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
 821         (tablejump): Handle function-relative case table entries if
 822         TARGET_RTP_PIC.
 823         * config/mips/predicates.md (symbol_ref_operand): New predicate.
 824
 825 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 826
 827         * config/mips/mips.md (load_call<mode>): Allow any general register.
 828         destination.
 829         (sibcall_value_internal, sibcall_value_multiple_internal)
 830         (call_value_internal, call_value_split, call_value_multiple_internal)
 831         (call_value_multiple_split): Remove constraints from operand 0.
 832
 833 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 834
 835         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
 836         rather than loadgp_noshared.
 837         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
 838         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
 839         gen_loadgp.
 840         * config/mips/mips.md (loadgp): Rename to...
 841         (loadgp_newabi): ...this.
 842         (loadgp_noshared): Rename to...
 843         (loadgp_absolute): ...this.
 844
 845 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 846
 847         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 848         false for locally-binding symbols.
 849         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 850
 851 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 852
 853         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 854         (SYMBOL_GOT_PAGE_OFST): ...this.
 855         (SYMBOL_GOT_GLOBAL): Rename to...
 856         (SYMBOL_GOT_DISP): ...this.
 857         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 858         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 859         * config/mips/mips.c (mips_global_symbol_p): New function.
 860         (mips_symbol_binds_local_p): Likewise.
 861         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 862         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 863         and mips_symbol_binds_local_p.
 864         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 865         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 866         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 867         SYMBOL_GOTOFF_DISP.
 868         (mips_ok_for_lazy_binding_p): New function.
 869         (mips_load_call_address, mips_expand_call): Use it.
 870         (mips_dangerous_for_la25_p): Likewise.
 871         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 872         (*got_disp<mode>): Use got_disp_operand instead of
 873         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 874         SYMBOL_GOTOFF_GLOBAL.
 875         (*got_page<mode>): Use got_page_ofst_operand instead of
 876         local_got_operand.
 877         * config/mips/predicates.md (const_call_insn_operand): Use
 878         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 879         (global_got_operand): Rename to...
 880         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 881         SYMBOL_GOT_GLOBAL.
 882         (local_got_operand): Rename to...
 883         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 884         of SYMBOL_GOT_LOCAL.
 885
 886 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 887
 888         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 889         TARGET_CALL_CLOBBERED_GP.
 890         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 891         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 892         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 893         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 894         of TARGET_ABICALLS && !TARGET_NEWABI.
 895         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 896         * config/mips/mips.c (mips_load_call_address): Check
 897         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 898         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 899         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 900         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 901         TARGET_ABICALLS && TARGET_NEWABI.
 902         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 903         TARGET_ABICALLS.
 904         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 905         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 906         TARGET_ABICALLS && TARGET_NEWABI.
 907         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 908         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 909         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 910         whether indirect calls must use $25.
 911         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 912         TARGET_ABICALLS.
 913         * config/mips/mips.md (jal_macro): Check flag_pic and
 914         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 915         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 916         instead of TARGET_ABICALLS.
 917         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 918         TARGET_ABICALLS && TARGET_OLDABI.
 919         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 920         (sibcall): In the comment above the define_insn, mention
 921         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 922         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 923         instead of TARGET_ABICALLS.
 924
 925 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 926
 927         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 928         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 929         (MACFLAGS_MATCH_P): New macro.
 930         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 931         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 932         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 933         the other MACFLAG constants.
 934         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 935         (flag_machi): Tighten constraints.  Renumber some of the operands.
 936         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 937         output template.
 938         (flag_machi_parts_acconly): New pattern.
 939         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 940         used.
 941         (flag_macinit1hi): Tighten constraints.
 942         (flag_mul_macv2hi_parts_acconly): New pattern.
 943
 944         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 945         Use a more efficient implementation.
 946         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 947         inline sequences when not optimizing for size.
 948
 949         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 950         movhi_high2low): Delete, merge functionality into...
 951         (packv2hi): ... this pattern.
 952
 953         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 954         * config/bfin/bfin.opt (msim): New option.
 955         (mcpu=): New option.
 956         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 957         (bfin_cpu_t): Typedef of enum bfin_cpu.
 958         (bfin_cpu_type): New declaration.
 959         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 960         -msim and -mcpu= options.
 961         (LIB_SPEC): Likewise.
 962         * config/bfin/bfin.c (bfin_cpu_type): Define.
 963         (bfin_handle_option): Handle -mcpu= option.
 964         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 965         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 966         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 967
 968 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 969
 970         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 971         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 972         (powerpc-wrs-vxworksae): Use ${tm_file}.
 973         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 974         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 975         * config/i386/vx-common.h: New file.
 976
 977 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 978
 979         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 980         of crt0.o%s.
 981
 982 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 983
 984         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 985         ldxtr.
 986
 987 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 988
 989         PR c++/31078
 990         PR c++/31103
 991         * c-common.c (c_build_qualified_type): Set canonical type
 992         appropriately.
 993
 994 2007-04-12  Richard Guenther  <rguenther@suse.de>
 995
 996         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 997         lower bound and element size if lower bound is not zero
 998         or either of the ARRAY_REF operands is set.
 999
1000 2007-04-12  Richard Guenther  <rguenther@suse.de>
1001
1002         PR tree-optimization/24689
1003         PR tree-optimization/31307
1004         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1005         indices by value.
1006         * gimplify.c (canonicalize_addr_expr): To be consistent with
1007         gimplify_compound_lval only set operands two and three of
1008         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1009         it never at this place.
1010         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1011
1012 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1013
1014         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1015         null before emitting a .nsubspa directive.
1016
1017 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1018
1019         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1020         need_to_partition_p if there are no memory statements in the
1021         function.
1022
1023 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1024
1025         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1026         (gcd_of_steps_may_divide_p): New function.
1027         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1028
1029 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1030
1031         * reload.c (find_reloads_toplev, find_reloads_address,
1032         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1033         not a pointer equality test, to decide if we need to call
1034         push_reg_equiv_alt_mem.
1035
1036 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1037
1038         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1039         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1040         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1041
1042 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1043
1044         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1045         vector to be positive.
1046
1047 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1048
1049         PR 30735
1050         PR 31090
1051         * doc/invoke.texi: Document --params max-aliased-vops and
1052         avg-aliased-vops.
1053         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1054         debug_memory_partitions): Move to tree-flow.h
1055         * params.h (AVG_ALIASED_VOPS): Define.
1056         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1057         users.
1058         (mp_info_t): Likewise.
1059         (get_mem_sym_stats_for): New.
1060         (set_memory_partition): Move from tree-flow-inline.h.
1061         (mark_non_addressable): Only clear the set of symbols for the
1062         partition if it exists.
1063         (dump_memory_partitions): Move from tree-ssa-operands.c
1064         (debug_memory_partitions): Likewise.
1065         (need_to_partition_p): New.
1066         (dump_mem_ref_stats): New.
1067         (debug_mem_ref_stats): New.
1068         (dump_mem_sym_stats): New.
1069         (debug_mem_sym_stats): New.
1070         (update_mem_sym_stats_from_stmt): New.
1071         (compare_mp_info_entries): New.
1072         (mp_info_cmp): Call it.
1073         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1074         objects.
1075         (get_mpt_for): Move from tree-ssa-operands.c.
1076         (find_partition_for): New.
1077         (create_partition_for): Remove.
1078         (estimate_vop_reduction): New.
1079         (update_reference_counts): New.
1080         (build_mp_info): New.
1081         (compute_memory_partitions): Refactor.
1082         Document new heuristic.
1083         Call build_mp_info, update_reference_counts,
1084         find_partition_for and estimate_vop_reduction.
1085         (compute_may_aliases): Populate virtual operands before
1086         calling debugging dumps.
1087         (delete_mem_sym_stats): New.
1088         (delete_mem_ref_stats): New.
1089         (init_mem_ref_stats): New.
1090         (init_alias_info): Call it.
1091         (maybe_create_global_var): Remove alias_info argument.
1092         Get number of call sites and number of pure/const call sites
1093         from gimple_mem_ref_stats().
1094         (dump_alias_info): Call dump_memory_partitions first.
1095         (dump_points_to_info_for): Show how many times a pointer has
1096         been dereferenced.
1097         * opts.c (decode_options): For -O2 set --param
1098         max-aliased-vops to 500.
1099         For -O3 set --param max-aliased-vops to 1000 and --param
1100         avg-aliased-vops to 3.
1101         * fortran/options.c (gfc_init_options): Remove assignment to
1102         MAX_ALIASED_VOPS.
1103         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1104         * tree-dfa.c (dump_variable): Dump memory reference
1105         statistics.
1106         Dump NO_ALIAS* settings.
1107         (referenced_var_lookup): Tidy.
1108         (mem_sym_stats): New.
1109         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1110         and ORIG are different SSA names for a memory partition.
1111         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1112         * tree-flow.h (struct mem_sym_stats_d): Define.
1113         (mem_sym_stats_t): Define.
1114         (struct mem_ref_stats_d): Define.
1115         (struct gimple_df): Add field mem_ref_stats.
1116         (enum noalias_state): Define.
1117         (struct var_ann_d): Add bitfield noalias_state.
1118         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1119         debug_mem_ref_stats, debug_memory_partitions,
1120         debug_mem_sym_stats): Declare.
1121         * tree-ssa-structalias.c (update_alias_info): Update call
1122         sites, pure/const call sites and asm sites in structure
1123         returned by gimple_mem_ref_stats.
1124         Remove local variable IS_POTENTIAL_DEREF.
1125         Increase NUM_DEREFS if the memory expression is a potential
1126         dereference.
1127         Call update_mem_sym_stats_from_stmt.
1128         If the memory references memory, call
1129         update_mem_sym_stats_from_stmt for all the direct memory
1130         symbol references found.
1131         (intra_create_variable_infos): Set noalias_state field for
1132         pointer arguments according to the value of
1133         flag_argument_noalias.
1134         * tree-ssa-structalias.h (struct alias_info): Remove fields
1135         num_calls_found and num_pure_const_calls_found.
1136         (update_mem_sym_stats_from_stmt): Declare.
1137         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1138         Set default value to 100.
1139         (PARAM_AVG_ALIASED_VOPS): Define.
1140
1141 2007-04-11  Richard Guenther  <rguenther@suse.de>
1142
1143         PR middle-end/31530
1144         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1145         a * -b + c as c - a * b if we honor sign dependent rounding.
1146
1147 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1148
1149         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1150         bfin_expand_strmov.
1151         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1152         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1153         variables.
1154         (initialize_trampoline): Don't use old-style function definition.
1155         (bfin_secondary_reload): Mark IN_P argument as unused.
1156
1157 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1158
1159         PR tree-optimization/31343
1160         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1161         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1162         * testsuite/gcc.dg/vect/pr31343.c: New.
1163
1164 2007-04-10  Eric Christopher  <echristo@apple.com>
1165
1166         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1167         * config/i386/i386.md (*cmpfp0): Use.
1168         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1169         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1170         (fix_trunc<mode>_i386_fisttp): Ditto.
1171         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1172         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1173         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1174         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1175         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1176         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1177         (unnamed_splitters): Ditto.
1178         * config/i386/i386.c (output_fix_trunc): Assert that
1179         we're not being passed a TFmode operand.
1180
1181 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1182
1183         PR tree-optimization/31526
1184         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1185         n_basic_blocks to find newly added blocks.
1186
1187 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1188
1189         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1190         alternative.
1191         (fix_trunc<mode>si_sse): Ditto.
1192         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1193         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1194         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1195         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1196         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1197         expander using SSEMODEF mode macro.
1198         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1199         expander using SSEMODEF mode macro.
1200         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1201         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1202         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1203         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1204         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1205         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1206         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1207         Macroize insn using X87MODEF mode macro.
1208
1209 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         * config/i386/sse.md (sse2_pinsrw): Removed.
1212         (sse2_pextrw): Renamed to ...
1213         (*sse2_pextrw): This.
1214
1215 2007-04-09  Jan Hubicka  <jh@suse.cz>
1216
1217         PR target/27869
1218         * config/i386/sse.md
1219         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1220         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1221         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1222         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1223
1224 2007-04-09  Jan Hubicka  <jh@suse.cz>
1225
1226         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1227         multiple fields of union.
1228
1229 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1230
1231         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1232         (create_preheaders): Check that loops are available.
1233         (fix_loop_structure): Clean up, improve comments.
1234         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1235         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1236         state flags.
1237         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1238         * predict.c (tree_estimate_probability): Do not call
1239         calculate_dominance_info.  Call create_preheaders.
1240         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1241         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1242         flags.
1243         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1244         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1245         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1246         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1247         arguments.
1248
1249 2007-04-08  Jan Hubicka  <jh@suse.cz>
1250
1251         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1252         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1253         * fold-const.c (fold_unary): Use it.
1254
1255 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1256
1257         * varasm.c (assemble_variable): Remove call to
1258         lang_hooks.decls.prepare_assemble_variable.
1259         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1260         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1261         * langhooks.h (lang_hooks_for_decls): Remove
1262         prepare_assemble_variable.
1263
1264 2007-04-08  Mike Stump  <mrs@apple.com>
1265
1266         * config/i386/i386.c: Use inc/dec on Core2.
1267
1268 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1269
1270         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1271         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1272         lhd_tree_inlining_end_inlining): Remove.
1273         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1274         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1275         end_inlining hooks.
1276         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1277         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1278         lhd_tree_inlining_end_inlining): Remove prototypes.
1279         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1280         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1281         LANG_HOOKS_TREE_INLINING_START_INLINING,
1282         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1283
1284         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1285         not set it.
1286
1287 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1288
1289         PR target/29932
1290         * config/avr/predicates.md (io_address_operand): Delete predicate.
1291         (low_io_address_operand): Don't use 'mode' argument.
1292         (higth_io_address_operand): Rename ...
1293         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1294         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1295         for above change.
1296
1297 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1298
1299         Revert change removing staticp.
1300
1301 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1302
1303         PR target/30289
1304         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1305         earlyclobber.
1306
1307 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1308
1309         * c.opt: Add -Wformat-contains-nul.
1310         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1311           -Wformat setting.
1312         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1313         the NUL byte warning.
1314
1315 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1316
1317         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1318
1319 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1320
1321         * tree.c (staticp): No longer use staticp langhook.
1322         * langhooks.c (lhd_staticp): Removed.
1323         * langhooks.h (struct lang_hooks): Remove staticp.
1324         * c-common.c (c_staticp): Remove.
1325         * c-common.h (c_staticp): Ditto.
1326         * langhooks-defs.h (lhd_staticp): Ditto.
1327         (LHD_HOOKS_STATICP): Ditto
1328         * tree.h (gcc_assert_lowered): New macro.
1329
1330 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1331
1332         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1333         argument "reliable".
1334         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1335         Add argument "reliable".  Propagate it through calls.
1336         (infer_loop_bounds_from_undefined):  Derive number of iterations
1337         estimates from references in blocks that do not dominate loop latch.
1338         (gcov_type_to_double_int): New function.
1339         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1340         and expected_loop_iterations_unbounded.
1341         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1342         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1343         * tree-data-ref.c (estimated_loop_iterations): Export.
1344         (get_references_in_stmt): Fix -- do not return addresses of local
1345         objects.
1346         * cfgloop.h (expected_loop_iterations_unbounded,
1347         estimated_loop_iterations): Declare.
1348
1349 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1350
1351         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1352
1353 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1354
1355         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1356         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1357         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1358         Use output_387_reg_move().
1359         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1360         expander using X87MODEF12 mode macro.
1361         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1362         choosing register preferences.  Use output_387_reg_move().
1363         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1364         instead of "x".  Use output_387_reg_move().
1365         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1366         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1367         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1368         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1369         Use output_387_reg_move().
1370         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1371         mode macro.
1372         (*truncxf?f_i387 splitter): Ditto.
1373
1374 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1375
1376         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1377         LANG_HOOKS_SAFE_FROM_P.
1378         * expr.c (safe_from_p): Remove langhook call.
1379         * langhooks.h (lang_hooks): Remove safe_from_p.
1380         (lhd_safe_from_p): Remove prototype.
1381         * langhooks.c (lhd_safe_from_p): Remove.
1382
1383 2007-04-06  Jan Hubicka  <jh@suse.cz>
1384
1385         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1386         functions.
1387
1388 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1389
1390         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1391         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1392         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1393         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1394         alternative.
1395         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1396         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1397
1398 2007-04-05  Richard Henderson  <rth@redhat.com>
1399
1400         * config/alpha/alpha.c (print_operand) [+]: Remove.
1401         (alpha_end_function): Print nop if call at end of function.
1402         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1403         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1404         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1405         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1406         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1407         the call pattern. Update peepholes to match.
1408
1409 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1410
1411         * doc/extend.texi (Other Builtins): Add decimal float variants
1412         of signbit.
1413         * builtins.def: Ditto.
1414         * builtins.c (expand_builtin): Ditto.
1415
1416 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1417             H.J. Lu  <hongjiu.lu@intel.com>
1418
1419         PR target/31478
1420         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1421         of V8HImode when calling ix86_binary_operator_ok.
1422         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1423         (sdot_prodv8hi): Operands 1 and 2 must be register.
1424
1425 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1426
1427         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1428         initialize align to silence bogus warning.
1429
1430 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1431
1432         PR middle-end/22156
1433         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1434         all_no_warning.
1435         (struct sra_walk_fns): Remove use_all parameter from use.
1436         (sra_hash_tree): Handle BIT_FIELD_REFs.
1437         (sra_elt_hash): Don't hash bitfld blocks.
1438         (sra_elt_eq): Skip them in parent compares as well.  Handle
1439         BIT_FIELD_REFs.
1440         (sra_walk_expr): Don't maintain or pass down use_all_p.
1441         (scan_use): Remove use_all parameter.
1442         (scalarize_use): Likewise.  Re-expand assignment to
1443         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1444         output, and re-scalarize after output.  Don't mark anything
1445         for no warning.
1446         (scalarize_ldst): Adjust.
1447         (scalarize_walk_gimple_modify_statement): Likewise.
1448         (build_element_name_1): Handle BIT_FIELD_REFs.
1449         (instantiate_element): Don't warn for any element whose parent
1450         is used as a whole.
1451         (instantiate_missing_elements_1): Return the sra_elt.
1452         (canon_type_for_field): New.
1453         (try_instantiate_multiple_fields): New.
1454         (instantiate_missing_elemnts): Use them.
1455         (mark_no_warning): Removed.
1456         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1457         (REPLDUP, sra_build_elt_assignment): New.
1458         (generate_copy_inout): Use them.
1459         (generate_element_copy): Likewise.  Handle bitfld differences.
1460         (generate_element_zero): Don't recurse for blocks.  Use
1461         sra_build_elt_assignment.
1462         (generate_one_element_int): Take elt instead of var.  Use
1463         sra_build_elt_assignment.
1464         (generate_element_init_1): Adjust.
1465         (scalarize_use, scalarize_copy): Use REPLDUP.
1466         (scalarize_ldst): Move assert before dereference.
1467         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1468
1469 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1470
1471         * regmove.c: Fix unused variable warnings due to previous commit.
1472
1473 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1474
1475         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1476         (regmove_bb_head): Remove.
1477         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1478         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1479         problems with fixup_match_1.
1480         Don't initialize/free regmove_bb_head.
1481
1482         (reg_is_remote_constant_p): If an insn is in the same basic block
1483         but not before INSN, consider it remote, too.
1484
1485 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1486
1487         PR target/25448
1488         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1489         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1490
1491 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1492
1493         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1494         (CONDITIONAL_REGISTER_USAGE): Likewise.
1495
1496 2007-04-04  Richard Henderson  <rth@redhat.com>
1497
1498         * config/alpha/lib1funcs.asm: Remove unused file.
1499
1500 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1501
1502         PR other/31356
1503         * opts.c (print_specific_help): Fix --help=<language>
1504         header line.
1505         (common_handle_option): Support --help=common.
1506
1507 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1508
1509         PR other/31353
1510         * gcc.c (main): Do not run the linker if
1511         print_subprocess_help indicates that it shouldn't be
1512         run.
1513
1514 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1515
1516         PR doc/31355
1517         * doc/invoke.texi (--help=): Document <languages> value, fix
1518         formatting in tables of values.
1519
1520 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1521
1522         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1523         dllimport attribute of virtual methods.
1524
1525 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1526
1527         * config/score/crti.asm: Change _bss_start to __bss_start.
1528         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1529         (OUTGOING_REG_PARM_STACK_SPACE) update.
1530         * config/score/score.opt: add options to make backend support
1531         score5, score5u, score7 and score7d.
1532         * config/score/score.md: Likewise.
1533         * config/score/misc.md: Likewise.
1534         * config/score/mac.md: Likewise.
1535         * doc/invoke.texi: Likewise.
1536         * doc/md.texi: update constraints define.
1537
1538 2007-04-03  Richard Henderson  <rth@redhat.com>
1539
1540         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1541         an appropriate type, use the mode instead.
1542
1543 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1544
1545         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1546         Set the default --with-arch setting to mips2.
1547         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1548         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1549         (MULTILIB_OSDIRNAMES): Delete.
1550         (MULTILIB_DIRNAMES): Define.
1551         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1552         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1553         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1554         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1555         VXWORKS_OS_CPP_BUILTINS.
1556         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1557         (MIPS_DEBUGGING_INFO): Undefine.
1558         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1559
1560 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1561
1562         PR middle-end/30704
1563         * fold-const.c (native_encode_real): Encode real.c provided longs
1564         as a series of 32-bit native integers.
1565         (native_interpret_real): Interpret buffer as a series of 32-bit
1566         native integers.
1567
1568 2007-04-03  Richard Guenther  <rguenther@suse.de>
1569
1570         * genpreds.c (write_insn_constraint_len): Write function
1571         optimized for CONSTRAINT_LEN implementation.
1572         (write_tm_preds_h): Output insn_constraint_len inline and
1573         use it for CONSTRAINT_LEN.
1574         (write_insn_preds_c): Don't output insn_constraint_len.
1575         * doc/md.texi (define_register_constraint): Document multi-letter
1576         constraints shall have the same length if they start with the same
1577         letter.
1578
1579 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1580
1581         PR target/31175
1582         * config/i386/i386.md (isinf<mode>2): Expand only when
1583         TARGET_C99_FUNCTIONS is set.
1584
1585 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1586
1587         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1588         (x86_64-*-linux*): Ditto.
1589         * config/i386/i386.opt (mpc): New option.
1590         * config/i386/i386.c (overrride_options): Handle
1591         ix87_precision_string.
1592         * config/i386/crtprec.c: New file.
1593         * config/i386/t-crtpc: Ditto.
1594         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1595         and -mpc80 options.
1596         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1597         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1598         crtprec32.o, crtprec64.o and crtprec80.o.
1599
1600         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1601         and -mpc80 options.
1602         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1603
1604 2007-04-02  Eric Christopher  <echristo@apple.com>
1605
1606         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1607         limitations on darwin.
1608
1609 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1610
1611         PR target/31137
1612         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1613
1614 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1615
1616         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1617
1618 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1619
1620         * libgcc2.h (exception_descriptor): Don't forward-declare.
1621         (__get_eh_table_language, __get_eh_table_version): Delete
1622         prototypes of long-dead functions.
1623
1624 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1625
1626         * ebitmap.h: New file
1627         * ebitmap.c: New file
1628         * Makefile.in (ebitmap.o): New target.
1629
1630 2007-04-01  Jan Hubicka  <jh@suse.cz>
1631
1632         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1633         before very first instruction.
1634
1635 2007-04-01  Jan Hubicka  <jh@suse.cz>
1636
1637         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1638         waring on 64bit hosts.
1639         * bitmap.h: Fix typo in bitmap_head_def.
1640
1641 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1642
1643         PR rtl-optimization/31391
1644         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1645         into a DELETED_LABEL note, and the label is in an empty basic
1646         block, update BB_END as well as BB_HEAD.
1647
1648 2007-04-01  Richard Henderson  <rth@redhat.com>
1649
1650         PR tree-optimization/31169
1651         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1652         to varying if the range is outside [0,  prec-1].
1653
1654 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1655
1656         PR target/31388
1657         * config/mips/mips.md (load_const_gp): New insn.
1658         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1659         the MIPS16 GP pseudo register if no_new_pseudos.
1660         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1661
1662 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1663
1664         PR target/31364
1665         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1666         secureplt.
1667         (call_value): Likewise.
1668
1669 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1670             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1671
1672         PR 14737
1673         * doc/invoke.texi: (optimization options): Reword description
1674         of -ffast-math. Document its primary purpose.
1675
1676 2007-03-31  Richard Guenther  <rguenther@suse.de>
1677
1678         * omp-low.c (splay-tree.h): Include.
1679         (lookup_decl): Replace splay-tree usage by pointer-map.
1680         (maybe_lookup_decl): Likewise.
1681         (new_omp_context): Likewise.
1682         (delete_omp_context): Likewise.
1683         * gimplify.c (splay-tree.h): Include.
1684         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1685         pointer-map.
1686         (remap_ssa_name): Likewise.
1687         (remap_decl): Likewise.
1688         (remap_type_1): Likewise.
1689         (remap_type): Likewise.
1690         (copy_body_r): Likewise.
1691         (expand_call_inline): Likewise.
1692         (clone_body): Likewise.
1693         (copy_tree_r): Likewise.
1694         (remap_save_expr): Likewise.
1695         (unsave_r): Likewise.
1696         (unsave_expr_now): Likewise.
1697         (tree_function_versioning): Likewise.
1698         (build_duplicate_type): Likewise.
1699         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1700         (struct copy_body_data): Replace splay-tree by pointer-map.
1701         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1702         not $(SPLAY_TREE_H).
1703         (gimplify.o): Depend on $(SPLAY_TREE_H).
1704         (omp-low.p): Likewise.
1705
1706 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1707
1708         * config/avr/predicates.md (even_register_operand,
1709         odd_register_operand): New predicates.
1710         * config/avr/avr.md (movw peephole2): New.
1711         (movw_r peephole2): New.
1712
1713 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1714
1715         * tree.h (get_signed_or_unsigned_type): New.
1716         * fold-const.c (operand_equal_for_comparison_p): Use
1717         get_signed_or_unsigned_type instead of
1718         lang_hooks.types.signed_or_unsigned_type.
1719         * expr.c (store_expr): Ditto.
1720         * langhooks.c (get_signed_or_unsigned_type): New.
1721         (lhd_signed_or_unsigned_type): New.
1722         * langhooks.h (lhd_signed_or_unsigned_type): New.
1723         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1724
1725 2007-03-30  Richard Henderson  <rth@redhat.com>
1726
1727         * tree-ssa-loop-ivopts.c: Include target.h.
1728         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1729         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1730         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1731         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1732
1733 2007-03-30  Richard Henderson  <rth@redhat.com>
1734             Kai Tietz  <kai.tietz@onevision.com>
1735
1736         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1737         default for 64-bit.
1738         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1739         (TARGET_64BIT_MS_ABI): New.
1740         (DBX_REGISTER_NUMBER): Handle 64-bit.
1741         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1742         (LONG_TYPE_SIZE): Force to 32.
1743         (REG_PARM_STACK_SPACE): New.
1744         (OUTGOING_REG_PARM_STACK_SPACE): New.
1745         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1746         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1747         (STACK_BOUNDARY): Use 128 for 64-bit.
1748         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1749         Add 64-bit implementation.
1750         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1751         argument unused.
1752         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1753         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1754         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1755         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1756         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1757         TARGET_64BIT_MS_ABI.
1758         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1759         (ix86_pass_by_reference): Likewise.
1760         (ix86_function_value_regno_p): Likewise.
1761         (ix86_build_builtin_va_list): Likewise.
1762         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1763         (function_arg_advance_ms_64): New.
1764         (function_arg_advance): Call it.
1765         (function_arg_ms_64): New.
1766         (function_arg): Call it.
1767         (function_value_ms_64): New.
1768         (ix86_function_value_1): Call it.
1769         (return_in_memory_ms_64): New.
1770         (ix86_return_in_memory): Call it.
1771         (setup_incoming_varargs_ms_64): New.
1772         (ix86_setup_incoming_varargs): Call it.
1773         (ix86_expand_prologue): Handle 64-bit stack probing.
1774         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1775         (output_pic_addr_const): Likewise.
1776         (x86_this_parameter): Likewise.
1777         (x86_output_mi_thunk): Likewise.
1778         (x86_function_profiler): Likewise.
1779         (TARGET_STRICT_ARGUMENT_NAMING): New.
1780         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1781         (TARGET_64BIT_MS_ABI): New.
1782         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1783         * config/i386/i386.md (allocate_stack_worker): Remove.
1784         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1785         describe the clobber of eax without a match_scratch.
1786         (allocate_stack_worker_postreload): Remove.
1787         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1788         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1789         (allocate_stack_worker_rex64_postreload): Remove.
1790         (allocate_stack): Handle 64-bit.
1791         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1792         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1793         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1794         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1795         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1796         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1797         * config.build (x86_64-*-mingw*): New host.
1798         * config.host (x86_64-*-mingw*): New host.
1799         * config.gcc (x86_64-*-mingw*): New target.
1800         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1801
1802 2007-03-30  Richard Henderson  <rth@redhat.com>
1803             Kai Tietz  <kai.tietz@onevision.com>
1804
1805         * c-pragma.c (struct def_pragma_macro_value): New.
1806         (struct def_pragma_macro): New.
1807         (pushed_macro_table): New.
1808         (dpm_hash, dpm_eq): New.
1809         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1810         (init_pragma): Install them.
1811         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1812
1813 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1814
1815         * config/avr/avr.c (avr_override_options): Clear
1816         'flag_delete_null_pointer_checks'.
1817
1818 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1819
1820         PR c++/26099
1821         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1822         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1823         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1824         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1825         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1826         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1827         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1828         C++ extensions.
1829         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1830
1831 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1832
1833         * regmove.c: Move all of pass_stack_adjustments from here...
1834         * combine-stack-adj.c: ...to this new file.
1835         * Makefile.in: Add rules for combine-stack-adj.o.
1836
1837 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1838
1839         PR tree-optimization/31383
1840         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1841         to have the same length.
1842
1843 2007-03-30  Jan Hubicka  <jh@suse.cz>
1844
1845         PR middle-end/30700
1846         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1847         availablility; add more sanity checking; ask varpool only about
1848         VAR_DECL.
1849
1850 2007-03-29  Richard Henderson  <rth@redhat.com>
1851
1852         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1853         to decide, but __SIZEOF_LONG_LONG__.
1854
1855 2007-03-29  Richard Henderson  <rth@redhat.com>
1856
1857         * emutls.c (struct __emutls_array): New.
1858         (emutls_destroy): Use it instead of casting element 0 from void*.
1859         (__emutls_get_address): Likewise.
1860
1861 2007-03-29  Richard Henderson  <rth@redhat.com>
1862
1863         * varasm.c (initializer_constant_valid_p): Don't deny
1864         DECL_DLLIMPORT_P on functions.
1865
1866         * config/i386/cygming.h: Remove function declarations.
1867         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1868         (ASM_OUTPUT_LABELREF): Remove.
1869         (COMMON_ASM_OP): Remove.
1870         (ASM_OUTPUT_COMMON): Remove.
1871         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1872         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1873         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1874         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1875         Rename from TARGET_ENCODE_SECTION_INFO.
1876         * config/i386/netware.h: Likewise.
1877         * config/i386/i386-protos.h: Update.
1878         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1879         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1880         (legitimate_constant_p): Reject dllimports.
1881         (dllimport_map, get_dllimport_decl): New.
1882         (legitimize_dllimport_symbol): New.
1883         (legitimize_address, ix86_expand_move): Use it.
1884         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1885         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1886         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1887         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1888         * config/i386/predicates.md (constant_call_address_operand): Only
1889         accept symbols; reject dllimport_p symbols.
1890         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1891         i386_pe_maybe_record_exported_symbol.
1892         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1893         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1894         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1895         trust the setting of DECL_DLLIMPORT_P.
1896         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1897         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1898         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1899         tidy the argument scanning loop.
1900         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1901         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1902         (i386_pe_strip_name_encoding): Remove.
1903         (i386_pe_binds_local_p): New.
1904         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1905         (i386_pe_output_labelref): Remove.
1906         (i386_pe_asm_output_aligned_decl_common): New.
1907         (i386_pe_maybe_record_exported_symbol): Rename from
1908         i386_pe_record_exported_symbol; check for dllexported symbols.
1909
1910 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1911
1912         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1913         add comment explaining why vsnprintf cannot be used.
1914
1915 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1916
1917         PR tree-optimization/30666
1918         * tree.c (build_complex_type): When creating type names for DWARF2
1919         debug info, create TYPE_DECLs for TYPE_NAME instead of
1920         IDENTIFIER_NODEs.
1921         (build_common_tree_nodes_2): Use build_complex_type when building
1922         predefined complex types, to preserve canonical types.
1923
1924 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1925
1926         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1927         (noce_get_alt_condition): Look at it to determine whether to
1928         reverse the condition or not.
1929         (noce_get_condition): Substitute the truth for lies.
1930         (noce_find_if_block): Set the then_else_reversed field.
1931
1932 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1933
1934         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1935         destination of this insn.
1936         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1937         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1938         'address + 4' rather than a stack based temporary which can be
1939         mis-optimized away.
1940
1941 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1942
1943         * config/s390/s390.c (s390_secondary_input_reload_class,
1944         s390_secondary_output_reload_class): Functions removed.
1945         (s390_secondary_reload): New function.
1946         (TARGET_SECONDARY_RELOAD): Target macro defined.
1947         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1948         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1949         * config/s390/s390.md ("reload_outti", "reload_outdi",
1950         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1951         "reload_out<mode>"): Expanders removed.
1952         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1953         "reload<mode>_nonoffmem_out"): Expanders added.
1954
1955 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1956
1957         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1958         SRC->DEST replacement failed anyway.
1959
1960 2007-03-28  Mike Stump  <mrs@apple.com>
1961
1962         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1963         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1964         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1965
1966 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1967
1968         * config.gcc: Accept barcelona as a variant of amdfam10.
1969         * config/i386/i386.c (override_options): Likewise.
1970         * doc/invoke.texi: Likewise.
1971
1972 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1973
1974         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1975         offsets for BIT_FIELD_REF and COMPONENT_REF.
1976
1977 2007-03-28  Richard Guenther  <rguenther@suse.de>
1978
1979         * tree.c (is_global_var): Move ...
1980         * tree-flow-inline.h (is_global_var): ... here.
1981         * tree.h (is_global_var): Remove declaration.
1982
1983 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1984
1985         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1986         option.
1987         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1988         * config/i386/i386.c (ix86_tune_features): Initialize new
1989         tuning option.
1990         * config/i386/predicates.md (promotable_binary_operator): Use
1991         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1992
1993 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1994
1995         PR target/31380
1996         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1997
1998 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1999
2000         * config/fr30/fr30.md (movsi_internal): Change destination
2001         constraint from m to V and add m to the end.
2002
2003 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2004
2005         * config/sh/sh.md (movsi_i): Fix type attribute.
2006
2007 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2008
2009         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2010         (movsf_ie): Likewise.
2011
2012 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2013
2014         * config.gcc: Add sh4-300 to multilib.
2015         * config/sh/t-mlib-sh4-300: New file.
2016
2017 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2018
2019         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2020         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2021         fix_trunc<mode>di2.
2022         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2023         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2024         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2025         "fixuns_trunctddi2"): Whitespace fix.
2026
2027 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2028
2029         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2030         the definition of struct sh_args.
2031         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2032         CALL_COOKIE_INT_REG_GET): Likewise.
2033
2034 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2035
2036         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2037         transformations are applied successfully.
2038
2039 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2040
2041         * tree.c (tree_contains_struct): Permit 512 tree codes.
2042         * tree.h (tree_contains_struct): Ditto.
2043         (MAX_TREE_CODES): Ditto.
2044         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2045         SPARE member to store remaining padding bits.
2046
2047 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2048
2049         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2050         architecture.
2051
2052 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2053
2054         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2055         * configure: Regenerate.
2056
2057         * configure: Regenerate using the correct version of autoconf.
2058
2059 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2060
2061         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2062         pointer regs.
2063         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2064         regs to "__SP_L__" and "__SP_H__".
2065
2066 2007-03-27  Richard Guenther  <rguenther@suse.de>
2067
2068         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2069         computations with it with a HOST_WIDE_INT variable.
2070
2071 2007-03-26  Mike Stump  <mrs@apple.com>
2072
2073         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2074         objective-c-header, objective-c++-header and objc++-cpp-output
2075         support.
2076         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2077
2078 2007-03-26  Richard Henderson  <rth@redhat.com>
2079
2080         PR target/31361
2081         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2082         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2083         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2084         IX86_BUILTIN_PSRLQ128): New.
2085         (ix86_init_mmx_sse_builtins): Add them.
2086         (ix86_expand_builtin): Expand them.
2087         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2088         operand 2 be TImode.
2089         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2090         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2091         _mm_srli_epi64): Mark __B const.
2092         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2093         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2094         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2095         new two-vector shift builtins.
2096
2097 2007-03-26  Ian Lance Taylor  <iant@google.com>
2098
2099         PR tree-optimization/31345
2100         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2101         [+INF, +INF(OVF)] into VARYING.
2102
2103 2007-03-26  Zack Weinberg  <zackw@panix.com>
2104
2105         * gengtype-parse.c: New file.
2106         * gengtype-yacc.y: Delete.
2107         * gengtype-lex.l: Don't include gengtype-yacc.h.
2108         Define YY_DECL and yyterminate appropriately for recursive
2109         descent parser.  yylval is now a string out-parameter to yylex.
2110         (HWS, EOID): New shorthand.
2111         (IWORD): Add a couple more types.
2112         (yylex): Add a setup stanza.  Remove the complex rules for
2113         detecting GTY'ed types and typedefs; replace with simple
2114         keyword detectors.  Adjust everything for the changed
2115         definition of yylval.  Ignore all pp-directives, not just #define.
2116         (yyerror): Delete.
2117         (parse_file): Rename yybegin; do not call yyparse.
2118         (yyend): New.
2119         * gengtype.c (xasprintf): Export again.
2120         (this_file): New.  Use everywhere __FILE__ was being used.
2121         (get_lang_bitmap): Special case types defined in gengtype.c.
2122         (do_typedef, new_structure): Suppress definition of certain types.
2123         (new_structure): Improve diagnostics of duplicate definitions.
2124         Make sure location_s is associated with input.h.
2125         (nreverse_pairs, define_location_structures): New functions.
2126         (main): Improve tagging of kludge types.  Remove old kludges
2127         for input.h types; use define_location_structures.
2128         * gengtype.h: Update prototypes.  Define token codes here.
2129         * Makefile.in: Remove all references to gengtype-yacc.
2130         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2131         and gengtype.
2132         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2133         add GTY((skip)) to the field that's only conditionally there.
2134         * doc/install.texi: Document that Bison is no longer required
2135         unless building treelang.
2136
2137         * gengtype.c: Don't include gtyp-gen.h.
2138         (srcdir): Declare here.
2139         (base_files, lang_dir_names): Allocate dynamically.
2140         (gt_files, num_gt_files, num_lang_dirs): New globals.
2141         (measure_input_list, read_input_line, read_input_list)
2142         (set_lang_bitmap): New functions.
2143         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2144         simplify, relying on read_input_list to set up the bitmaps.
2145         (main): Arguments are no longer unused.  Check for correct number
2146         of command line arguments, set srcdir and srcdir_len, then call
2147         read_input_list, before doing anything else.  No need to worry
2148         about duplicates in main loop.
2149         * configure.ac: Simplify the calculation of all_gtfiles.
2150         Put language tags in there.  Don't set or substitute
2151         all_gtfiles_files_langs or all_gtfiles_files_frags.
2152         * Makefile.in: Revamp the way gengtype is invoked, now that it
2153         takes a file on its command line with a much simpler format.
2154         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2155         (GTFILES): Remove duplicates and C source files.
2156         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2157         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2158         * configure: Regenerate.
2159
2160         * gengtype.h: Remove all type definitions to gengtype.c; leave
2161         only definitions of options_p, type_p, and pair_p as opaque
2162         pointers.  Update prototypes.
2163         * gengtype.c: Many type definitions moved here from gengtype.h.
2164         Consolidate type definitions at the top of the file.
2165         (xvasprintf): Delete.
2166         (xasprintf): Make static.
2167         (create_nested_pointer_option): Add 'next' parameter.
2168         (create_field_all, create_field_at): New functions.
2169         (create_field): Now a thin wrapper around create_field_all.
2170         (create_optional_field): Rename create_optional_field_ and add
2171         line argument.  Original name is now a macro which supplies
2172         __LINE__.
2173         (oprintf): Use vsnprintf directly.
2174         (close_output_files): Use fatal rather than perror/exit.
2175         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2176         (main): Set progname.  Don't use exit.
2177         * gengtype-yacc.y (struct_fields): Use create_field_at.
2178         (option, optionseqopt): Delete.
2179         (optionseq): Consolidate productions from option here so we
2180         can use the first argument to create_option.
2181
2182         * gengtype-lex.l: Distinguish unions from structures in the
2183         token type.  Don't call find_structure; return the tag as a string.
2184         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2185         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2186         Reorganize typedef_struct production accordingly.
2187         Use create_nested_ptr_option.
2188         * gengtype.c (create_nested_ptr_option): New function.
2189         * gengtype.h: Declare it.
2190
2191         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2192         (string_type): Don't declare.
2193         (do_scalar_typedef): Declare.
2194         (create_scalar_type): Update prototype.
2195         * gengtype.c (string_type): Make static.
2196         (scalar_nonchar, scalar_char): New.
2197         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2198         (resolve_typedef): Use scalar_nonchar for error recovery.
2199         (create_scalar_type): Remove name_len field.  Return scalar_char
2200         or scalar_nonchar as appropriate.
2201         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2202         to use string_type.
2203         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2204         whenever possible.
2205         (main): Initialize scalar_char and scalar_nonchar before calling
2206         gen_rtx_next.
2207         * gengtype-lex.l: Adjust for removal of second argument to
2208         create_scalar_type.  Use yylval.s instead of yylval.t when
2209         returning SCALAR.
2210         * gengtype-yacc.y: Type of SCALAR is string.  Call
2211         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2212         second argument to create_scalar_type.
2213
2214         * vec.h: Remove all #if IN_GENGTYPE blocks.
2215         Add comment saying that changes may require adjustments to gengtype.
2216         * gengtype.c: Don't include coretypes.h or tm.h.
2217         Add comment to inclusion of errors.h.
2218         (note_def_vec, note_def_vec_alloc): New functions.
2219         * gengtype.h: Declare new functions.
2220         * gengtype-lex.l: Don't include coretypes.h.
2221         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2222         Delete.
2223         (update_lineno): Remove unnecessary prototype.
2224         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2225         (VEC rule): Just return VEC_TOKEN.
2226         * gengtype-yacc.y (VEC_TOKEN): New token type.
2227         (type): Add a production for VEC(a,b).
2228         * Makefile.in: Update dependencies.
2229
2230         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2231         typedefs that use the old PARAMS macro.
2232
2233         * gengtype-lex.l: Remove all rules and states relating to yacc
2234         input files.
2235         * gengtype-yacc.y: Similarly.
2236         * gengtype.c (note_yacc_type): Delete function.
2237         * gengtype.h: Update prototypes.
2238
2239 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2240
2241         * tree-pretty-print.c (dump_generic_node): Report precision of
2242         unnamed integer types.
2243
2244 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2245
2246         * ifcvt.c (noce_try_store_flag_constants): Don't check
2247         no_new_pseudos here.
2248         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2249         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2250         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2251         noce_try_sign_mask): Likewise.
2252         (if_convert): Check no_new_pseudos here.
2253
2254         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2255         Remove prototypes.
2256         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2257         (noce_get_condition): Handle new then_else_reversed argument.
2258         (noce_init_if_info): Remove, fold into noce_find_if_block.
2259         (noce_process_if_block): Take a struct noce_if_info as the
2260         argument.  Don't set up one based on ce_if_info.  Update pointer
2261         references accordingly.
2262         (cond_move_process_if_block): Likewise.
2263         (process_if_block): Removed.
2264         (find_if_block): Removed.  Move functionality two new functions,
2265         noce_find_if_block and cond_exec_find_if_block.
2266         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2267         blocks and the symmetric IF-ELSE-JOIN case.
2268         (cond_exec_find_if_block): Also new function mostly based on old
2269         find_if_block and process_if_block.
2270         (find_if_header): Replace find_if_block call with separately
2271         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2272         (find_cond_trap): Update noce_get_condition call.
2273         (dead_or_predicable): Likewise.
2274
2275 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2276
2277         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2278         Remove.
2279         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2280         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2281         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2282         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2283         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2284         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2285         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2286         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2287         __builtin_ia32_psrad128 builtins.
2288
2289 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2292         * config/i386/constraints.md
2293         (define_constraint "I"): Use IN_RANGE macro.
2294         (define_constraint "J"): Ditto.
2295         (define_constraint "K"): Ditto.
2296         (define_constraint "M"): Ditto.
2297         (define_constraint "N"): Ditto.
2298         (define_constraint "O"): Ditto.
2299         * config/i386/predicates.md
2300         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2301         (define_predicate "const_0_to_3_operand"): Ditto.
2302         (define_predicate "const_0_to_7_operand"): Ditto.
2303         (define_predicate "const_0_to_15_operand"): Ditto.
2304         (define_predicate "const_0_to_63_operand"): Ditto.
2305         (define_predicate "const_0_to_255_operand"): Ditto.
2306         (define_predicate "const_1_to_31_operand"): Ditto.
2307         (define_predicate "const_2_to_3_operand"): Ditto.
2308         (define_predicate "const_4_to_7_operand"): Ditto.
2309
2310 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2311
2312         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2313         in SImode for save_world.
2314         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2315         LR hard reg.
2316
2317 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2318
2319         PR tree-optimization/30784
2320         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2321         BIT_FIELD_REF.
2322
2323 2007-03-25  Revital Eres  <eres@il.ibm.com>
2324
2325         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2326           Fold movement_possibility function into it.
2327
2328 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2329
2330         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2331         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2332         (call_indirect_nonlocal_darwin64): Same.
2333         (call_nonlocal_darwin64): Same.
2334         (call_value_indirect_nonlocal_darwin64): Same.
2335         (call_value_nonlocal_darwin64): Same.
2336         (sibcall_nonlocal_darwin64): Same.
2337         (sibcall_value_nonlocal_darwin64): Same.
2338         (sibcall_symbolic_64): Same.
2339         (sibcall_value_symbolic_64): Same.
2340         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2341         LR pseudo.
2342         (rs6000_emit_load_toc_table): Same.
2343         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2344         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2345         (mull_call): Same.
2346         (divss_call): Same.
2347         (divus_call): Same.
2348         (quoss_call): Same.
2349         (quous_call): Same.
2350         (load_toc_v4_pic_si): Same
2351         (load_toc_v4_PIC_1): Same.
2352         (load_toc_v4_PIC_1b): Same.
2353         (call_indirect_aix{32,64}): Same.
2354         (call_value_indirect_aix{32,64}): Same.
2355         (call): Same.
2356         (call_value): Same.
2357         (call_local{32,64}): Same.
2358         (call_value_local{32,64}): Same.
2359         (call_indirect_nonlocal_aix{32,64}): Same.
2360         (call_nonlocal_aix{32,64}): Same.
2361         (call_value_indirect_nonlocal_aix{32,64}): Same.
2362         (call_value_nonlocal_aix{32,64}): Same.
2363         (call_indirect_nonlocal_sysv<mode>): Same.
2364         (call_nonlocal_sysv<mode>): Same.
2365         (call_value_indirect_nonlocal_sysv<mode>): Same.
2366         (call_value_nonlocal_sysv<mode>): Same.
2367         (sibcall): Same.
2368         (sibcall_local{32,64}): Same.
2369         (sibcall_value_local{32,64}): Same.
2370         (sibcall_nonlocal_aix{32,64}): Same.
2371         (sibcall_value_nonlocal_aix{32,64}): Same.
2372         (sibcall_nonlocal_sysv<mode>): Same.
2373         (sibcall_value): Same.
2374         (sibcall_value_nonlocal_sysv<mode>): Same.
2375
2376 2007-03-24  Paul Brook  <paul@codesourcery.com>
2377
2378         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2379         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2380
2381 2007-03-24  Richard Henderson  <rth@redhat.com>
2382
2383         * config/ia64/constraints.md: New file.
2384         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2385         satisfies_constraint_?.
2386         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2387         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2388         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2389         ia64_output_mi_thunk): Likewise.
2390         (ia64_const_ok_for_letter_p): Remove.
2391         (ia64_const_double_ok_for_letter_p): Remove.
2392         (ia64_extra_constraint): Remove.
2393         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2394         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2395         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2396         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2397         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2398         EXTRA_MEMORY_CONSTRAINT): Remove.
2399         * config/ia64/ia64.md: Include constriants.md.  Replace
2400         CONST_OK_FOR_? with satisfies_constraint_?.
2401
2402 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2403             H.J. Lu  <hongjiu.lu@intel.com>
2404
2405         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2406         DPD or BID name.
2407         (name macros): Use DPD_BID_NAME to convert names properly.
2408
2409         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2410         decimal floating point format.
2411         (init_floating_libfuncs): Change decimal functions so that they
2412         have a "bid_" prefix if the decimal system uses the BID format,
2413         and "dpd_" prefix if the decimal system uses the DPD format.
2414         (init_interclass_conv_libfuncs): Ditto.
2415         (init_intraclass_conv_libfuncs): Ditto.
2416
2417         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2418         using the BID format.
2419
2420         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2421         whether we are using the BID decimal format.
2422         * configure: Regenerate.
2423
2424         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2425         the compiler has decimal floating point enabled.  Define
2426         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2427         instead of DPD.
2428
2429         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2430         using the BID format.
2431
2432         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2433         whether we are using the BID decimal format.
2434         * configure: Regenerate.
2435
2436         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2437         the compiler has decimal floating point enabled.  Define
2438         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2439         instead of DPD.
2440
2441         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2442         options, and that it is enabled for i386/x86_64 systems.
2443
2444         * Makefile.in (enable_decimal_float): New.
2445         (DECNUMFMT): New.
2446         (DECNUMINC): Add  -I$(DECNUMFMT).
2447         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2448         to $(DECNUMFMT) from $(DECNUM).
2449
2450         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2451         Substitute enable_decimal_float.
2452         * configure: Regenerated.
2453
2454         PR other/30529
2455         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2456         unsigned long.
2457
2458         * configure.ac: Enable decimal float for x86_64-*-linux*.
2459         * configure: Regenerated.
2460
2461         PR other/30530
2462         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2463         decimal128ClearSign to flip and clear the sign bit in decimal128.
2464         (decimal_real_maxval): Set decimal128SetSign to set the sign
2465         bit in decimal128.
2466
2467 2007-03-23  Ian Lance Taylor  <iant@google.com>
2468
2469         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2470
2471 2007-03-23  Ian Lance Taylor  <iant@google.com>
2472
2473         * tree-dump.c (dump_files): Correct comment.
2474
2475 2007-03-23  Ian Lance Taylor  <iant@google.com>
2476
2477         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2478
2479 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2480
2481         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2482         in cfglayout mode.  Don't go into and out of cfglayout mode.
2483         Link the blocks in the order of the constructed traces.
2484         (rest_of_handle_tracer): Adjust call to tracer.
2485         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2486         Don't go into cfglayout mode.
2487         (rtl_loop_done): Don't go out of cfglayout mode.
2488         * cfglayout.c (relink_block_chain): New function, split out from...
2489         (fixup_reorder_chain): ...here.  Remove redundant checking.
2490         (cfg_layout_finalize): Don't clear the header, footer, and aux
2491         fields here, move the code to do so to relink_block_chain.  Likewise
2492         for free_original_copy_tables.
2493         * rtl.h (tracer): Update prototype.
2494         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2495         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2496         mode.  Use relink_block_chain to serialize the CFG according to the
2497         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2498         here...
2499         (gate_handle_reorder_blocks): ...to here.
2500         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2501         from here...
2502         (gate_duplicate_computed_gotos): ...to here.
2503         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2504         something always changes when going into and out of cfglayout mode.
2505         Perform an expensive cfg cleanup while going into cfglayout mode.
2506         Always update liveness information on HAVE_conditional_execution
2507         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2508         * reg-stack.c: Include cfglayout.h.
2509         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2510         the call to reorder_basic_blocks.
2511         * basic-block.h (reorder_basic_blocks): Update prototype.
2512         (relink_block_chain): New prototype.
2513         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2514
2515 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2516
2517         * config/mips/mips.md (type, hazard, *movdi_32bit,
2518         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2519         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2520         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2521         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2522         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2523         applicable.
2524         (movcc): Change first xfer to multi.
2525         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2526         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2527         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2528         config/mips/generic.md: Change reservations using "xfer" to use
2529         "mfc,mtc".
2530         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2531         using match_operand.
2532         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2533         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2534         examining mode.
2535         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2536
2537 2007-03-22  Richard Henderson  <rth@redhat.com>
2538
2539         * config/i386/i386.c: Remove unnecessary function declarations.
2540         Move targetm definition, and all related macros, to the end of
2541         the file.  Resort some functions to put definitions before uses.
2542         (ix86_attribute_table): Make static.  Move to end of file.
2543         (ix86_gimplify_va_arg): Make static.
2544
2545 2007-03-22  Richard Henderson  <rth@redhat.com>
2546
2547         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2548         don't increase local_regparm with force_align_arg_pointer check.
2549         (ix86_function_sseregparm): Assert 32-bit.
2550         (type_has_variadic_args_p): New.
2551         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2552         type_has_variadic_args_p.
2553         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2554         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2555         use memset instead.  Do maybe_vaarg check first; skip attribute
2556         tests if true; skip attribute tests for 64-bit.
2557         (construct_container): Remove TARGET_DEBUG_ARG.
2558         (function_arg_advance_32, function_arg_advance_64): Split out ...
2559         (function_arg_advance): ... from here.
2560         (function_arg_32, function_arg_64): Split out ...
2561         (function_arg): ... from here.
2562         (ix86_pass_by_reference): Tidy.
2563         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2564         (function_value_32): New, from parts of ix86_function_value
2565         and ix86_value_regno.
2566         (function_value_64): New, from parts of ix86_function_value
2567         and ix86_libcall_value.
2568         (ix86_function_value_1): New.
2569         (ix86_function_value, ix86_libcall_value): Use it.
2570         (return_in_memory_32, return_in_memory_64): Split out ...
2571         (ix86_return_in_memory): ... from here.
2572         (ix86_struct_value_rtx): Skip for 64-bit.
2573         (ix86_libcall_value, ix86_value_regno): Remove.
2574         (setup_incoming_varargs_64): Split out ...
2575         (ix86_setup_incoming_varargs): ... from here.
2576         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2577         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2578         * config/i386/i386-protos.h (ix86_function_value): Remove.
2579         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2580
2581 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2582
2583         PR other/23572
2584         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2585         infinities not supported, otherwise emit warning if -Woverflow. On
2586         underflow, emit warning if -Woverflow.
2587         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2588         and 0 otherwise.
2589         * real.h (real_from_string): Update declaration
2590
2591 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2592             Richard Henderson  <rth@redhat.com>
2593
2594         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2595         * calls.c (compute_argument_block_size, expand_call,
2596         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2597         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2598         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2599         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2600         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2601         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2602         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2603         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2604         Set to 1.
2605
2606 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2607
2608         * c-incpath.c (add_sysroot_to_chain): New.
2609         (merge_include_chains): Add sysroot argument.  Call
2610         add_sysroot_to_chain if sysrooted.
2611         (register_include_chains): Update call to merge_include_chains.
2612         * doc/cppopts.texi: Document use of '=' in include directory
2613         arguments.
2614
2615 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2616
2617         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2618         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2619         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2620         insn pattern using X87MODEF12 mode macro.
2621
2622 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2623
2624         * regmove.c (regmove_optimize): Use reg_mentioned_p
2625         instead of reg_overlap_mentioned_p for DST.
2626
2627 2007-03-21  Mike Stump  <mrs@apple.com>
2628
2629         * c.opt: Fixup for Objective-C/C++.
2630
2631 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2632
2633         * explow.c (convert_memory_address): Fold memory reference when
2634         POINTERS_EXTEND_UNSIGNED < 0
2635
2636 2007-03-21  Richard Henderson  <rth@redhat.com>
2637
2638         PR target/31245
2639         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2640         * config/i386/mmintrin.h (__m64): Likewise.
2641         * config/i386/xmmintrin.h (__m128): Likewise.
2642
2643 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2644
2645         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2646         (VXWORKS_OS_CPP_BUILTINS): Define.
2647         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2648         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2649
2650 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2651
2652         * rtl.h (constant_pool_reference_p): Delete.
2653         (find_constant_src): Declare.
2654         * rtlanal.c (find_constant_src): New function.
2655         * simplify-rtx.c (constant_pool_reference_p): Delete.
2656         * config/i386/i386.md: Use find_constant_src instead of
2657         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2658
2659 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2660
2661         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2662         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2663
2664 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2665
2666         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2667         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2668         (arm_elf_asm_constructor): Use it.
2669         (arm_elf_asm_destructor): New function.
2670
2671 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2672
2673         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2674
2675 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2676
2677         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2678
2679 2007-03-19  Andrew Haley  <aph@redhat.com>
2680
2681         PR tree-optimization/31264
2682         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2683         VIEW_CONVERT_EXPRs.
2684
2685 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2686
2687         PR rtl-optimization/30907
2688         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2689         (fwprop_init): Always call loop_optimizer_initialize.
2690         (fwprop_done): Always call loop_optimizer_finalize.
2691         (fwprop): We always have loop info now.
2692         (gate_fwprop_addr): Remove.
2693         (pass_fwprop_addr): Use gate_fwprop as gate.
2694
2695         PR rtl-optimization/30841
2696         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2697         df_chain_alloc): Call df_reorganize_refs unconditionally.
2698         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2699         refs_organized to refs_organized_size.
2700         (df_ref_create_structure): Use refs_organized_size instead of
2701         bitmap_size if refs had been organized, and keep refs_organized_size
2702         up-to-date.
2703         * df.h (struct df_ref_info): Change refs_organized to
2704         refs_organized_size.
2705         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2706         bitmap_size.
2707
2708 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2709
2710         * except.c (output_function_exception_table): Do not reference the
2711         EH personality routine for functions that do not require an
2712         exception table.
2713
2714 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR c/30762
2717         * c-typeck.c (convert_for_assignment): Call comptypes for
2718         RECORD_TYPE or UNION_TYPE.
2719
2720         PR inline-asm/30505
2721         * reload1.c (reload): Do invalid ASM checking after
2722         cleanup_subreg_operands.
2723
2724 2007-03-19  Jeff Law  <law@redhat.com>
2725
2726         * tree-cfg.c (find_taken_edge): Tighten conditions for
2727         optimizing computed gotos.
2728
2729 2007-03-19  Michael Matz  <matz@suse.de>
2730
2731         * builtins.c (expand_builtin_sync_operation,
2732         expand_builtin_compare_and_swap,
2733         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2734         correctly.
2735
2736         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2737         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2738         for operand 3.
2739
2740 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2741
2742         * doc/tm.texi: Add brackets around the return type of
2743         TARGET_SECONDARY_RELOAD.
2744
2745 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2746         Richard Guenther  <rguenther@suse.de>
2747
2748         PR tree-optimization/31254
2749         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2750         Use handled_component_p () where appropriate.  Continue
2751         propagating into the rhs if we propagated into an INDIRECT_REF
2752         on the lhs.
2753
2754 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2755
2756         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2757         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2758         (xde, xdee): Mode attributes adjusted to support DFP modes.
2759         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2760         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2761         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2762         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2763         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2764         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2765         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2766         numbers.
2767         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2768         "movsf"): Insn definitions removed.
2769         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2770         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2771         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2772         definitions added.
2773         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2774         "reload_in<mode>", "reload_out<mode>"): Expander added.
2775         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2776         Expander removed.
2777
2778 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2779
2780         * config/s390/s390.md: Only non-functional changes.  Renamed
2781         FPR mode macro to BFP all over the file.
2782
2783 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2784
2785         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2786         (op_type attribute): RRF instruction type added.
2787         (fT0): New mode attribute.
2788         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2789         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2790         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2791         no secondary memory is needed when moving DFmode values between GPRs
2792         and FPRs.
2793
2794 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2795
2796         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2797         inverted and documentation adjusted.
2798         ("mhard-dfp", "msoft-dfp"): New options.
2799         * config/s390/s390.c (s390_handle_arch_option): New architecture
2800         switch: z9-ec.
2801         (override_options): Sanity checks for the new options added.
2802         * config.gcc: New architecture switch: z9-ec.
2803         * config/s390/s390.h (processor_flags): PF_DFP added.
2804         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2805         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2806         when the bit is NOT set so remove it from the defaults.
2807
2808 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2809
2810         * genemit.c (main): Print include statement for dfp.h.
2811         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2812         is not available.
2813
2814 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2815
2816         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2817
2818 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2819
2820         PR target/31022
2821         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2822         instead of PATTERN.
2823
2824 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2825
2826         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2827         attr_length_call, output_call, output_indirect_call): Cleanup
2828         formatting of targetm calls.
2829
2830 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2831
2832         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2833
2834 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2835
2836         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2837         reservation, bypass and anti-bypass descriptions for these instructions.
2838         Update move patterns.
2839         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2840         TYPE_FPSTORE.
2841
2842 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2843
2844         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2845         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2846         (get_initial_def_for_reduction): Likewise.
2847
2848 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2849
2850         Fix PR tree-optimization/29922
2851         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2852         (get_representative): Removed.
2853         (value_dies_in_block_x): Update for rvuse removal.
2854         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2855         (compute_antic_aux): Handle when PHI nodes appear in
2856         non-single-successors.
2857         (dump_bitmap_of_names): Removed.
2858         (compute_antic_safe): Renamed and removed rvuse calculation.
2859         Calculate only antic safe.
2860         (insert_into_preds_of_block): Remove assert.
2861         (execute_pre): Update for renamed functions.
2862         (defer_or_phi_translate_block): New function.
2863
2864 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2865
2866         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2867         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2868         typos.
2869         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2870         Follow spelling conventions.
2871
2872         * tree-data-ref.h: Remove the prototype for analyze_array.
2873
2874 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2875
2876         PR tree-optimization/31041
2877         * tree-vect-transform.c (get_initial_def_for_induction): Call
2878         force_gimple_operand.
2879
2880 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2881
2882         * ipa-type-escape.c (look_for_casts) : Revert code to use
2883         handled_component_p due to ada test a-numaux.adb.
2884
2885 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2886
2887         * final.c (final_scan_insn): Alter the condition of a
2888         conditional trap if we have nonstandard CC.
2889
2890 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2891
2892         * configure.ac: Remove excess quoting from asm line 0 test.
2893         * configure: Rebuilt.
2894
2895 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2896
2897         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2898         * c-common.c (convert_and_check): Move warning logic to...
2899         (warnings_for_convert_and_check): ...here. Define.
2900         * c-common.h (warnings_for_convert_and_check): Declare.
2901
2902 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2903
2904         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2905         (output_call): Likewise.
2906
2907 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2908
2909         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2910
2911 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2912
2913         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2914
2915 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2916
2917         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2918         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2919
2920 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2921
2922         PR tree-optimization/31183
2923         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2924         Use double_int instead of unsigned int for representing access_strides.
2925         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2926
2927 2007-03-16  Richard Guenther  <rguenther@suse.de>
2928
2929         PR tree-optimization/31146
2930         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2931         to allow recursion of forward_propagate_addr_expr.
2932         (forward_propagate_addr_into_variable_array_index): Likewise.
2933         (forward_propagate_addr_expr): Likewise.
2934         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2935         (forward_propagate_addr_expr_1): Recurse on simple copies
2936         instead of propagating into them.  Do so for useless conversions
2937         as well.
2938         (forward_propagate_addr_expr): Clean up unused statements after
2939         recursion.
2940
2941 2007-03-16  Richard Guenther  <rguenther@suse.de>
2942
2943         * builtins.c (expand_builtin_cexpi): Use the right argument
2944         for the expansion via cexp.
2945
2946 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2947
2948         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2949         * configure: Rebuilt.
2950
2951 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2952
2953         PR debug/29906
2954         * dwarf2out.c (force_type_die): Adjust comment.
2955         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2956
2957 2007-03-15  DJ Delorie  <dj@redhat.com>
2958
2959         * config/frv/predicates.md (minmax_operator): Don't check operands
2960         here.
2961
2962 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2963
2964         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2965         Update constant estimates of number of iterations.
2966         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2967         argument renamed to "realistic".
2968         (compute_estimated_nb_iterations): Removed.
2969         (record_niter_bound): New function.
2970         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2971         call record_nonwrapping_iv with upper = false.
2972         (infer_loop_bounds_from_signedness): Pass upper argument to
2973         record_nonwrapping_iv.
2974         (estimate_numbers_of_iterations_loop): Do not call
2975         compute_estimated_nb_iterations.  Record estimate based on profile
2976         information.  Initialize the constant estimates of number of
2977         iterations.
2978         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2979         estimates.
2980         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2981         number of iterations is too small.
2982         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2983         (EST_NOT_AVAILABLE): Removed.
2984         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2985         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2986         fields.
2987
2988 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2989
2990         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2991         Handle NE_EXPR guards.
2992
2993 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2994
2995         PR c++/24924
2996         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2997         Set also -pedantic-errors by default for the  preprocessor unless
2998         -fpermissive is given.
2999
3000 2007-03-15  Richard Guenther  <rguenther@suse.de>
3001
3002         PR middle-end/29719
3003         PR middle-end/31161
3004         * builtins.c (expand_builtin_cexpi): As a fallback if we
3005         don't have builtins for sincos or cexp create a function
3006         declaration for cexp and expand to a call to that.
3007         (expand_builtin_int_roundingfn): Always fall
3008         back to floor/ceil and its variants even if they may be
3009         not available.
3010
3011 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3012
3013         PR middle-end/31159
3014         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3015         jump tables, move the call to delete_dead_jumptables from here...
3016         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3017         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3018         don't allow merging of blocks that try_redirect_by_replacing_jump
3019         also does not handle when not optimizing.
3020
3021 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3022             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3023
3024         * config/i386/i386.md (x86_sahf_1): Correctly handle
3025         HAVE_AS_IX86_SAHF.
3026
3027 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3028
3029         PR target/31167
3030         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3031         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3032         from operand constraints and use "e" constraint instead.
3033         (*subti3_1, *subti3_1 splitter): Ditto.
3034         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3035         operand[1] predicate.
3036
3037 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3038
3039         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3040         arrays, multiply the access strides by the size of the sub-array.
3041         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3042
3043 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3044
3045         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3046         the configured assembler supports the sahf mnemonic.
3047         * configure: Regenerate.
3048         * config.in: Regenerate.
3049
3050         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3051         emit "sahf" or ".byte\t0x9e" as asm template.
3052
3053 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3054
3055         PR 31018
3056         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3057         option to replace hard coded TARGET_xxx in md file.
3058         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3059         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3060         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3061         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3062         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3063         (X86_TUNE_NOT_VECTORMODE): Ditto.
3064         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3065         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3066         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3067         (TUNE_SLOW_IMUL_IMM8): Ditto.
3068         (TUNE_MOVE_M1_VIA_OR): Ditto.
3069         (TUNE_NOT_UNPAIRABLE): Ditto.
3070         (TUNE_NOT_VECTORMODE): Ditto.
3071
3072         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3073         options.
3074
3075         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3076         tuning options instead of hard coded TARGET_xxx.
3077         (fix ssemode peephole2's): Ditto.
3078         (imul peephole2's): Ditto.
3079         (movsi_or): Ditto.
3080         (movdi_or_rex64): Ditto.
3081         (move peephole2): Ditto.
3082         (not peephole2's): Ditto.
3083
3084 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3085
3086         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3087         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3088         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3089         of empty body.
3090         * c-parser.c (c_parser_do_statement): Warn about empty body in
3091         do/while statement.
3092         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3093         * doc/invoke.texi (-Wempty-body): Update documentation.
3094
3095 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3096
3097         PR c/21438
3098         * c-common.h (warn_for_div_by_zero): Declare.
3099         * c-common.c (warn_for_div_by_zero): Define.
3100         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3101         warning.
3102
3103 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3104
3105         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3106         to PREFIX and STANDARD_PREFIX.
3107
3108 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3109             Phil Edwards  <phil@codesourcery.com>
3110
3111         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3112         (__gthread_once_t): Remove busy field for RTPs.
3113         (__GTHREAD_ONCE_INIT): Update accordingly.
3114
3115 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3116
3117         * doc/invoke.texi: Document VxWorks options.
3118
3119 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3122
3123 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3124
3125         PR tree-optimization/30590
3126         * tree-nrv.c (tree_nrv): Check for the partial update of the
3127         return value.
3128
3129 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3130
3131         * flags.h (flag_random_seed): Remove declaration, in favor of...
3132         * toplev.h (get_random_seed, set_random_seed): ... these.
3133         * tree.c (get_file_function_name): Use the former.
3134         * opts.c (common_handle_option): Use the latter.
3135         * toplev.c
3136
3137 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3138
3139         PR middle-end/31127
3140         * cse.c (cse_find_path): Do not bail out if a basic block that
3141         we already visited now becomes part of a path that starts at a
3142         different basic block.  Just disallow this, to make sure we
3143         visit each basic block at most once.
3144
3145 2007-03-13  Jan Hubicka  <jh@suse.cz>
3146
3147         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3148         when profile esitmate is present, calls with very low frequency are
3149         cold.
3150
3151 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3152
3153         PR tree-optimization/30730
3154         PR tree-optimization/26900
3155         * tree-ssa-loop-niter.c: Include gmp.h.
3156         (bounds): New type.
3157         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3158         split_to_var_and_offset, determine_value_range,
3159         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3160         bound_difference, bounds_add, bounds_negate,
3161         number_of_iterations_ne_max, dump_affine_iv): New functions.
3162         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3163         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3164         difference of initial and final value of control iv to validate
3165         results.
3166         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3167         on the difference of the extremes of the control iv.  Add dumps.
3168         (expand_simple_operations): Handle phi nodes.
3169         (simplify_using_initial_conditions): Do not record used conditions.
3170         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3171         Do not set additional_info.
3172         (implies_nonnegative_p, implies_ge_p): Removed.
3173         (derive_constant_upper_bound): Do not use parameter `additional'.
3174         (record_estimate): Parameter `additional' removed.  Parameter
3175         `i_bound' added.  Do not call derive_constant_upper_bound.
3176         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3177         bound the number of iterations estimate.
3178         (estimate_numbers_of_iterations_loop): Pass the estimate from
3179         the number of iterations analysis to record_estimate.
3180         * tree.h (multiple_of_p): Declare.
3181         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3182         (scev_const_prop): Do not check expression_expensive_p.
3183         * fold-const.c (multiple_of_p): Exported.
3184         * double-int.c (double_int_mask): Exported.
3185         * double-int.h (double_int_mask): Declare.
3186         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3187         field.  Added max field.
3188
3189 2007-03-13  David Taylor  <taylor@candd.org>
3190
3191         PR driver/12448:
3192         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3193         default -MQ.
3194
3195 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3196
3197         PR target/31123
3198         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3199         two unamed patterns.
3200
3201 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3202
3203         * config/i386/i386.opt (mcx16, msahf): New options.
3204         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3205         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3206
3207         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3208         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3209         Output -mcx16 and -msahf options when corresponding bit is set.
3210
3211         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3212         and -msahf options.
3213
3214 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3215
3216         * configure.ac: Test for assembler tolerance to # 0 "".
3217         * configure, config.in: Rebuilt.
3218         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3219
3220 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3221
3222         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3223
3224         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3225         (handle_syscall): Handle direct system calls.
3226         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3227
3228 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3229
3230         * doc/invoke.texi: Fix cpp.info cross-reference.
3231         * doc/passes.texi: Fix gcc.info cross-reference.
3232
3233 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3234
3235         PR tree-optimization/30835
3236         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3237         bb_for_stmt is not NULL before accessing it.
3238
3239 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3240
3241         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3242         some multilibs.
3243
3244 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3245
3246         PR 30635
3247         * doc/install.texi: Document --enable-stage1-languages
3248
3249 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3250
3251         * tree-pass.h (pass_into_cfg_layout_mode,
3252         pass_outof_cfg_layout_mode): Declare.
3253         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3254         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3255         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3256         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3257
3258 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3259
3260         * c-decl.c (warn_variable_length_array): New function.
3261         Refactored from grokdeclarator to handle warn_vla
3262         and handle unnamed array case.
3263         (grokdeclarator): Refactored VLA warning case.
3264         * c.opt (Wvla): New flag.
3265         * doc/invoke.texi (Wvla): New warning.
3266
3267 2007-03-12  Richard Henderson  <rth@redhat.com>
3268
3269         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3270         (TARGET_SECTION_TYPE_FLAGS): New.
3271
3272 2007-03-12  Richard Henderson  <rth@redhat.com>
3273
3274         * config/darwin.c (machopic_reloc_rw_mask): New.
3275         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3276         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3277
3278 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3279
3280         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3281         * cppdefault.h (cpp_PREFIX): Document.
3282         (cpp_PREFIX_len): Likewise.
3283         (cpp_EXEC_PREFIX): New variable.
3284         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3285         * c-incpath.c (add_standard_paths): Correct logic for relocating
3286         paths within prefix.
3287
3288 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3289
3290         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3291         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3292         mode macro.
3293         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3294         fix_truncdfdi_sse using SSEMODEF mode macro.
3295         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3296         fix_truncdfsi_sse using SSEMODEF mode macro.
3297         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3298         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3299
3300 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3301
3302         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3303         elfos.h to tm_file.
3304
3305 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3306
3307         * tree.h : Add multiple_of_p declaration.
3308         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3309         * ipa-type-escape.c (results_of_malloc): Redundant.
3310         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3311         (cast_type): Extended with new members.
3312         (check_cast): Returns cast_type.
3313         (cast): New structure for data of walk_use_def_chains.
3314         (is_malloc_result, is_cast_from_non_pointer_1,
3315         is_cast_from_non_pointer,
3316         is_array_access_through_pointer_and_index): New functions.
3317         (look_for_casts): Returns cast types.
3318         (check_call): Returns void.
3319         (okay_pointer_operation): Use support of pointer plus index,
3320         pointer plus constant and allow all multiplications.
3321
3322 2007-03-11  Richard Guenther  <rguenther@suse.de>
3323
3324         PR tree-optimization/31115
3325         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3326         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3327         A shift count of zero is not special as with *_DIV_EXPR.
3328         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3329         direction.
3330
3331 2007-03-11  Ian Lance Taylor  <iant@google.com>
3332
3333         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3334         the *_DIV_EXPR codes correctly with overflow infinities.
3335
3336 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3337
3338         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3339         indicate success/failure of the analysis. Add negation to subtrahend
3340         in case of subtraction. Fail if both operands contain constants.
3341         (create_data_ref): Fail if analyze_offset fails.
3342
3343 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3344
3345         * config/i386/i386.md (frndintxf2): Rename to ...
3346         (rintxf2): ... this. Remove expander having same name.
3347         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3348         (roundsf2, rounddf2): Ditto.
3349         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3350         (lround<mode>di2, lround<mode>si2): Ditto.
3351
3352 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3353
3354         * lower-subreg.c: Include except.h.
3355         (decompose_multiword_subregs): Verify that the only control flow
3356         insns we can split are loads to multi-words pseudos.
3357         Handle breaking such blocks after splitting, instead of calling
3358         find_many_sub_basic_blocks.
3359
3360         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3361         on the new basic block.  Add a lengthy comment explaining why we
3362         thought this was necessary.
3363         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3364
3365 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3366
3367         PR c++/30924
3368         * tree.c (walk_type_fields): Recurse into the element type of
3369         ARRAY_TYPEs if there is a pointer set.
3370
3371 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3372
3373         * c-common.c (warn_logical_operator): Fix condition.
3374
3375 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3376
3377         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3378         quotation mark.
3379         * config/darwin.c (machopic_select_section): Remove superfluous
3380         argument in call to categorize_decl_for_section.  Remove unused
3381         variable shlib.
3382
3383 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3384
3385         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3386         defined.
3387         * configure: Regenerate.
3388
3389 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3390
3391         PR target/31101
3392         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3393         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3394         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3395         Add LABEL_NUSES to emitted label.
3396         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3397         branch probability value to emitted jump insn.
3398         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3399         Do not check life information and do not re-arrange input operands
3400         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3401
3402 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3403
3404         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3405         the change of decode_asm_operands.
3406
3407 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3408
3409         * mode-switching.c (create_pre_exit): Skip blockage insn.
3410
3411 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3412
3413         * tree-pass.h (TODO_update_smt_usage): Remove.
3414         Update all users.
3415         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3416         argument SOME.
3417         Update all users.
3418
3419 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3420
3421         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3422         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3423         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3424         SOM target.
3425
3426 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3427
3428         * gcc.c: Document %{, in big comment at top.
3429         (input_suffix_matches): Remove special handling for .s and
3430         .S.
3431         (input_spec_matches): New.
3432         (handle_braces): Handle %{,.
3433         (validate_switches): ',' indicates a value which is not a switch.
3434         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3435         to detect assembler input.
3436         * config/i386/sol2.h (CPP_SPEC): Likewise.
3437         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3438         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3439         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3440         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3441         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3442         -m64 causes deployment target to default to 10.5.
3443         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3444
3445 2007-03-09  Richard Henderson  <rth@redhat.com>
3446
3447         PR target/26090
3448         * target.h (targetm.asm.out.reloc_rw_mask): New.
3449         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3450         (TARGET_ASM_OUT): Use it.
3451         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3452         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3453         use the new reloc_rw_mask target hook instead.
3454         (default_section_type_flags_1): Merge into...
3455         (default_section_type_flags): ... here.
3456         (decl_readonly_section_1): Merge into...
3457         (decl_readonly_section): ... here.
3458         (default_elf_select_section_1): Merge into...
3459         (default_elf_select_section): ... here.
3460         (default_unique_section_1): Merge into...
3461         (default_unique_section): ... here.
3462         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3463         (default_select_rtx_section): Use it.
3464         (default_elf_select_rtx_section): Likewise.
3465         * output.h: Update to match.
3466         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3467         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3468         (TARGET_ASM_RELOC_RW_MASK): New.
3469         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3470         to categorize_decl_for_section.
3471         (x86_64_elf_unique_section): Likewise.
3472         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3473         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3474         (TARGET_ASM_RELOC_RW_MASK): New.
3475         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3476         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3477         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3478         (TARGET_RWRELOC): Remove.
3479         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3480         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3481         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3482         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3483         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3484         (rs6000_xcoff_select_section): Use decl_readonly_section.
3485         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3486         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3487         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3488         (TARGET_SECTION_TYPE_FLAGS): Remove.
3489         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3490
3491 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3492
3493         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3494         complex constant equality/inequality comparisons for here.
3495         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3496         known at compile-time or can be simplified to a scalar comparison.
3497         (fold_relational_const): Move compile-time evaluation of complex
3498         constant equality/inequality comparisons to here.
3499
3500 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3501
3502         PR rtl-optimization/30643
3503         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3504         dest_addr_elt.
3505         (fold_rtx): Recurse, like before 2006-11-03.
3506
3507 2007-03-09  DJ Delorie  <dj@redhat.com>
3508
3509         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3510         m32c-pragma.o.
3511
3512 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3513
3514         PR tree-optimization/30375
3515         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3516         LHS of statements is not the same.
3517         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3518
3519 2007-03-09  Chao-ying Fu  <fu@mips.com>
3520
3521         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3522         REV 2.
3523         * doc/invoke.texi (-mdspr2): Document new option.
3524         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3525         New unspec for DSP REV 2.
3526         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3527         these instructions are extended in DSP REV 2.
3528         (mips-dspr2.md): Include.
3529         * config/mips/mips.opt (mdspr2): New option.
3530         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3531         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3532         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3533         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3534         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3535         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3536         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3537         and 2 builtins.
3538         (bdesc_map): Add one field of unsupported_target_flags.
3539         (bdesc_arrays):  Update entries to have extra fields.  Add
3540         dsp_32only_bdesc.
3541         (mips_init_builtins): Initialize new function types.
3542         Check unsupported_target_fileds to filter out builtins.
3543         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3544         TARGET_DSPR2.
3545         (ASM_SPEC): Pass mdspr2 to the assembler.
3546         * config/mips/mips-dspr2.md: New file.
3547
3548 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3549
3550         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3551
3552 2007-03-09  Ian Lance Taylor  <iant@google.com>
3553
3554         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3555         argument) like -Wstrict-overflow=2.
3556         * doc/invoke.texi (Warning Options): Update documentation.
3557
3558 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3559
3560         PR c++/17946
3561         * doc/invoke.texi (-Wlogical-op): Document.
3562         * common.opt (-Wlogical-op): New.
3563         * c-common.h (warn_logical_operator): Declare.
3564         * c-common.c (warn_logical_operator): Define.
3565         * c-typeck.c (parser_build_binary_op): Call
3566         warn_logical_operator.
3567
3568 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3569
3570         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3571         * final.c (final_scan_insn): Test for non-"" file name.
3572
3573 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3574
3575         * doc/loop.texi: Document the Omega linear constraints solver.
3576         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3577         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3578         omega-hash-table-size, omega-max-keys, and
3579         omega-eliminate-redundant-constraints.
3580         * tree-pass.h (pass_check_data_deps): Declared.
3581         * omega.c: New.
3582         * omega.h: New.
3583         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3584         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3585         pass_check_data_deps): New.
3586         * tree-data-ref.c (init_data_ref): Remove declaration.
3587         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3588         (analyze_array): Renamed init_array_ref, move up initializations.
3589         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3590         Removed arguments that are set to NULL.
3591         (analyze_indirect_ref): Correct indentation, correct call to
3592         init_pointer_ref.
3593         (object_analysis): Call init_array_ref instead of analyze_array.
3594         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3595         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3596         of DR_ACCESS_FNS_ADDR.
3597         (init_omega_eq_with_af, omega_extract_distance_vectors,
3598         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3599         ddr_consistent_p): New.
3600         (compute_affine_dependence): Check consistency of ddrs when
3601         flag_check_data_deps is passed.
3602         (analyze_all_data_dependences): Uncomment.
3603         (tree_check_data_deps): New.
3604         * tree-data-ref.h: Include omega.h.
3605         (DR_ACCESS_FNS_ADDR): Removed.
3606         (data_dependence_relation): Add inner_loop.
3607         (DDR_INNER_LOOP): New.
3608         * common.opt (fcheck-data-deps): New.
3609         * tree-flow.h (tree_check_data_deps): Declare.
3610         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3611         (OBJS-common): Depend on omega.o.
3612         (omega.o): Define.
3613         * passes.c (pass_check_data_deps): Scheduled.
3614         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3615         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3616         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3617         PARAM_VECT_MAX_VERSION_CHECKS,
3618         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3619
3620 2007-03-09  Richard Guenther  <rguenther@suse.de>
3621
3622         PR tree-optimization/30904
3623         PR middle-end/31058
3624         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3625         the same way as *_DIV_EXPR.
3626
3627 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3628
3629         * recog.c (decode_asm_operands): No mixed declarations and code.
3630
3631 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3632
3633         * rtl.def (ASM_INPUT): Add location.
3634         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3635         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3636         (decode_asm_operands): Add loc operand.
3637         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3638         * stmt.c (expand_asm): Rename to...
3639         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3640         gen_rtx_ASM_INPUT_loc.
3641         (expand_asm_expr): Adjust.
3642         * recog.c (decode_asm_operands): Add loc operand.
3643         (check_asm_operands, extract_insn): Adjust.
3644         * reload1.c (maybe_fix_stack_asms): Likewise.
3645         * final.c (asm_insn_count): Likewise.
3646         (final_scan_insn): Output # line before and after asm.
3647
3648 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3649
3650         * tree-ssa-structalias.c (variable_info): Remove
3651         finished_solution.
3652         (new_var_info): Ditto.
3653         (shared_bitmap_info_t): New structure.
3654         (shared_bitmap_table): New variable.
3655         (shared_bitmap_hash): New function.
3656         (shared_bitmap_eq): Ditto
3657         (shared_bitmap_lookup): Ditto.
3658         (shared_bitmap_add): Ditto.
3659         (merge_smts_into): Change to take bitmap directly.
3660         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3661         (init_alias_vars): Init shared bitmap hashtable.
3662         (delete_points_to_sets): Delete shared bitmap hashtable.
3663         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3664         is_aliased removal as a change that was still necessary was
3665         deleted.
3666
3667 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3668
3669         * config/i386/i386.h (override_options): Conditionally disable
3670         x86_sahf for 64bit targets only.
3671
3672 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3673
3674         PR C/31072
3675         * c-decl.c (merge_decls): Don't call make_var_volatile.
3676         * varasm.c (make_var_volatile): Remove.
3677         * output.h (make_var_volatile): Remove.
3678
3679 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3680
3681         PR tree-optimization/31085
3682         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3683
3684 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3685
3686         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3687         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3688         ATTR_CONST_NOTHROW_LIST.
3689
3690         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3691         FIX_TRUNC_EXPR.
3692
3693 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3694
3695         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3696
3697 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3698
3699         PR 31013
3700         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3701         is declared.
3702         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3703         passed, use shared libgcc.
3704
3705 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3706
3707         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3708         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3709         (honor_protect_cleanup_actions, lower_try_finally_switch):
3710         Likewise.
3711         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3712         ifc_temp_var): Likewise.
3713         * tree-inline.c (setup_one_parameter): Likewise.
3714         * tree-mudflap.c (mf_decl_cache_locals,
3715         mf_build_check_statement_for): Likewise.
3716         * tree-nested.c (init_tmp_var, save_tmp_var,
3717         finalize_nesting_tree_1): Likewise.
3718         * tree-outof-ssa.c (insert_copy_on_edge,
3719         insert_backedge_copies): Likewise.
3720         * tree-profile.c (tree_gen_edge_profiler,
3721         tree_gen_ic_profiler): Likewise.
3722         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3723         * tree-sra.c (sra_build_assignment): Likewise.
3724         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3725         * tree-ssa-math-opts.c (insert_reciprocals,
3726         execute_cse_sincos_1): Likewise.
3727         * tree-tailcall.c (adjust_accumulator_values,
3728         adjust_return_value): Likewise.
3729         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3730         * tree-vect-transform.c (vect_create_data_ref_ptr,
3731         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3732         vect_create_epilog_for_reduction, vectorizable_reduction,
3733         vectorizable_call, vectorizable_conversion,
3734         vectorizable_assignment, vectorizable_operation,
3735         vectorizable_type_demotion, vect_gen_widened_results_half,
3736         vect_permute_store_chain, vectorizable_store,
3737         vect_setup_realignment, vect_permute_load_chain,
3738         vectorizable_load, vectorizable_condition,
3739         vect_create_cond_for_align_checks): Likewise.
3740         * tree-vrp.c (build_assert_expr_for): Likewise.
3741
3742 2007-03-08  Ian Lance Taylor  <iant@google.com>
3743
3744         * tree-vrp.c: Include "intl.h".
3745         (usable_range_p): New static function.
3746         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3747         overflowed values, juts set *strict_overflow_p.
3748         (compare_values): Only return -2 if one of the operands is not a
3749         constant.
3750         (compare_ranges): Call usable_range_p.
3751         (compare_range_with_value): Likewise.
3752         (vrp_evaluate_conditional_warnv): Rename from
3753         vrp_evaluate_conditional.  Make static.  Change all callers.
3754         (vrp_evaluate_conditional): New function.
3755         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3756         on signed overflow.
3757         (simplify_abs_using_ranges): Likewise.
3758         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3759         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3760         within_stmt parameter.
3761         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3762         vrp_evaluate_conditional.
3763         * tree-ssa-threadedge.c
3764         (record_temporary_equivalences_from_stmts_at_dest): Change
3765         simplify parameter to take a second tree parameter.
3766         (simplify_control_stmt_condition): Likewise.
3767         (thread_across_edge): Likewise.
3768         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3769         (thread_across_edge): Likewise.
3770         * Makefile.in (tree-vrp.o): Depend upon intl.h.
3771
3772 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3773
3774         * config/i386/i386.h (TARGET_SAHF): New define.
3775         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3776         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3777         (x86_sahf): New global variable.
3778         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3779         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3780         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3781         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3782         for 64-bit.
3783         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3784         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3785         when expanding fcomi/sahf based tests.
3786         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3787         expanding sahf based alternative. Emit sahf based sequence when
3788         optimizing for code size.
3789         * config/i386/i386.md (x86_sahf_1): Do not disable for
3790         TARGET_64BIT, enable for TARGET_SAHF.
3791
3792 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3793
3794         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3795         spurious whitespace from error message.
3796
3797 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3798
3799         PR c++/30852
3800         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3801
3802 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3803
3804         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3805         bitfields.
3806         * tree-sra.c (instantiate_element): Propagate disabled warnings
3807         from the element itself to the created variable.
3808
3809 2007-03-07  Richard Henderson  <rth@redhat.com>
3810
3811         PR target/30848
3812         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3813         silently fix up the stack in the case of a missing register.
3814
3815 2007-03-07  Paul Brook  <paul@codesourcery.com>
3816
3817         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3818
3819 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3820
3821         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3822         New.
3823         (phase1_vrs): Use them.
3824         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3825         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3826         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3827         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3828         __gnu_Unwind_Restore_WMMXC if required.
3829         (_Unwind_VRS_Pop): Implement iWMMXt support.
3830         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3831         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3832         gnu_Unwind_Save_WMMXC): Define.
3833
3834 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3835
3836         * config/vxworks.h (vxworks_override_options): Declare.
3837         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3838         * config/vxworks.c: Include target.h and toplev.h.
3839         (vxworks_override_options): New function.
3840         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3841
3842 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3843
3844         * config/s390/s390.c (override_options): Don't emit an error when
3845         -mstack-size is used without providing -mstack-guard.
3846         (s390_emit_prologue): Choose stack_guard value automatically if not
3847         provided via command line.
3848         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3849
3850 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3851
3852         * config/i386/i386.c (output_set_got): Add a GOT initialization
3853         sequence for VxWorks PIC.
3854         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3855         around labels as well as symbols.  Use gotoff_operand instead
3856         of local_symbolic_operand.
3857         (legitimize_pic_address): Use gotoff_operand instead of
3858         local_symbolic_operand.  Use @GOT accesses for labels as
3859         well as symbols.
3860         (ix86_output_addr_diff_elt): Use PC-relative rather than
3861         GP-relative offsets for VxWorks PIC.
3862         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3863         no_new_pseudos.  Check whether the returned register is op0.
3864         * config/i386/i386.md (tablejump): Use PC-relative rather than
3865         GP-relative offsets for VxWorks PIC.
3866         * config/i386/predicates.md (gotoff_operand): New predicate.
3867
3868 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3869
3870         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3871         before defining.
3872         * config/vxworks-dummy.h: New file.
3873         * config/i386/i386.h: Include it.
3874
3875 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3876
3877         * dwarf2out.c (is_inlined_entry_point): New
3878         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3879         DW_AT_ranges if the first subblock is the entry point.
3880
3881 2007-03-06  David Daney  <ddaney@avtrex.com>
3882
3883         * doc/install.texi (mips-*-*): Change recommended binutils
3884         version.
3885
3886 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3887
3888         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3889         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3890         devices.
3891         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3892         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3893
3894 2007-03-06  Jan Hubicka  <jh@suse.cz>
3895
3896         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3897         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3898         are hot.
3899         (probably_cold_bb_p): Cold functions are cold.
3900         (probably_never_executed_bb_p): Cold functions are cold.
3901         (tree_bb_level_predictions): Predict calls to cold functions as not
3902         taken.
3903         (compute_function_frequency): Check hot/cold attributes.
3904         * function.h (function_frequency): Update comments.
3905         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3906         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3907         (c_common_att): Add cold and hot.
3908
3909         * doc/extend.texi (hot,cold attributes): Document.
3910
3911 2007-03-06  Andrew Haley  <aph@redhat.com>
3912
3913         * function.c (expand_function_end): Move blockage to just after we
3914         emit the label for the naked return from the function.
3915
3916 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3917
3918         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3919         before redefining.
3920
3921 2007-03-06  Jan Hubicka  <jh@suse.cz>
3922
3923         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3924         loaded for constant large models.  Non-large 64bit PIC can do.
3925         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3926         * cmodel.h: Add LARGE PIC.
3927         * i386.md (UNSPEC_PLTOFF): New.
3928         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3929         needed.
3930         (*call_1_rex64): Disable for large models.
3931         (*call_1_rex64_large): New.
3932         (*call_value_1_rex64): Disable for large models.
3933         (*call_value_1_rex64_large): New.
3934         (set_rip_rex4): New.
3935         (set_got_offset_rex64): New.
3936         * predicates.md (constant_call_address_operand): For large model
3937         constant calls are not possible.
3938         * i386-protos.h (construct_plt_address): Declare.
3939         * i386.c (override_options): Accept large models.
3940         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3941         (legitimate_constant_p): Add new UNSPECs.
3942         (legitimate_pic_operand_p): Likewise.
3943         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3944         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3945         non-large model.
3946         (output_pic_addr_const): Add PLTOFF.
3947         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3948         (ix86_expand_move): Legitimize pic address when in PIC mode.
3949         (construct_plt_address): New function.
3950         (ix86_expand_call): Offload the address to register and use GOT pointer
3951         for large model.
3952         * invoke.texi (mcmodel=large): Update documentation.
3953
3954 2007-03-06  Richard Henderson  <rth@redhat.com>
3955
3956         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3957         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3958         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3959         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3960         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3961         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3962         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3963         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3964         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3965         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3966         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3967         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3968         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3969         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3970         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3971         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3972         x86_schedule, x86_use_bt, x86_pad_returns,
3973         x86_use_xchgb): Merge into ...
3974         (ix86_tune_features): ... here.  New array.
3975         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3976         x86_bswap): Merge into ...
3977         (ix86_arch_features): ... here.  New array.
3978         (x86_3dnow_a): Remove.
3979         (x86_accumulate_outgoing_args): Make static.
3980         (x86_arch_always_fancy_math_387): Make static.
3981         (ix86_tune_mask, ix86_arch_mask): Move ...
3982         (override_options): ... to local variables here.  Apply the
3983         appropriate mask to each element of ix86_arch_features and
3984         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3985         as were done in the old macros.
3986         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3987         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3988         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3989         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3990         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3991         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3992         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3993         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3994         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3995         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3996         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3997         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3998         x86_accumulate_outgoing_args, x86_prologue_using_move,
3999         x86_epilogue_using_move, x86_decompose_lea,
4000         x86_arch_always_fancy_math_387, x86_shift1,
4001         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4002         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4003         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4004         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4005         x86_use_incdec, x86_pad_returns, x86_bswap,
4006         x86_partial_flag_reg_stall): Remove.
4007         (enum ix86_tune_indices): New.
4008         (ix86_tune_features): New.
4009         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4010         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4011         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4012         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4013         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4014         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4015         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4016         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4017         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4018         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4019         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4020         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4021         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4022         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4023         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4024         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4025         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4026         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4027         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4028         TARGET_EXT_80387_CONSTANTS): Use it.
4029         (enum ix86_arch_indices): New.
4030         (ix86_arch_features): New.
4031         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4032         TARGET_BSWAP): Use it.
4033         (ix86_tune_mask, ix86_arch_mask): Remove.
4034
4035 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4036
4037         PR bootstrap/31020
4038         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4039         Define using $${sysroot_headers_suffix}.
4040         * configure: Regenerate.
4041         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4042         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4043         defined.
4044         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4045         * gcc.c (print_sysroot_headers_suffix): New.
4046         (option_map): Include --print-sysroot-headers-suffix.
4047         (display_help): Mention -print-sysroot-headers-suffix.
4048         (process_command): Handle -print-sysroot-headers-suffix.
4049         (do_spec_1): Append multilib directory to include-fixed path if
4050         sysroot suffixes in use.
4051         (main): Handle -print-sysroot-headers-suffix.
4052         * Makefile.in (start.encap): Don't depend on xlimits.h
4053         (xlimits.h): Remove.
4054         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4055         limits.h for each multilib in fixinc_list.
4056         (fixinc_list, s-fixinc_list): New.
4057         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4058         generate them for each multilib in fixinc_list.
4059         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4060         multilib in fixinc_list.
4061         (mostlyclean): Don't remove xlimits.h.
4062         (clean): Remove include-fixed.
4063         (real-install-headers-tar, real-install-headers-cpio,
4064         real-install-headers-cp): Don't copy include, only include-fixed.
4065         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4066         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4067         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4068         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4069
4070 2007-03-06  Jan Hubicka  <jh@suse.cz>
4071
4072         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4073         NANs easilly.
4074
4075 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4076
4077         * configure.ac: Allow tm_file to contain build-directory files.
4078         * configure: Regenerate.
4079         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4080         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4081         * config/m68k/print-sysroot-suffix.sh: New file.
4082
4083 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4084
4085         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4086         of pic_offset_table_rtx if reload_completed.
4087         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4088         PIC_OFFSET_TABLE_REGNUM.
4089         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4090         return true.
4091         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4092         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4093
4094 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4095
4096         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4097         functions that call eh_return.
4098
4099 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4100
4101         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4102         functions that need a constant pool.
4103
4104 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4105
4106         PR target/28181
4107         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4108         (m68k_preferred_reload_class): Likewise.
4109         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4110         (SECONDARY_RELOAD_CLASS): Define.
4111         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4112         (LIMIT_RELOAD_CLASS): Delete.
4113         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4114         registers from storing bytes.
4115         (m68k_secondary_reload_class): New function.
4116         (m68k_preferred_reload_class): Likewise.
4117
4118 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4119
4120         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4121         leaf functions.
4122         (m68k_expand_prologue): Likewise.
4123
4124 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4125
4126         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4127         (mips_expand_epilogue): Add a bool parameter.
4128         (m68k_legitimize_sibcall_address): Declare.
4129         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4130         (m68k_expand_epilogue): Add a parameter to select between sibling
4131         and normal epilogues.  Only generate a return for the latter.
4132         (m68k_ok_for_sibcall_p): New function.
4133         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4134         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4135         (sibcall_value, *sibcall_value): Likewise.
4136         (*call, *call_value): Require !SIBLING_CALL_P.
4137         (epilogue): Update call to m68k_expand_epilogue.
4138         (sibcall_epilogue): New pattern.
4139         * config/m68k/predicates.md (const_call_operand): Say that this
4140         predicate applies to sibling calls too.
4141         (sibcall_operand): New predicate.
4142
4143 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4144
4145         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4146         alternatives as movsi_cf.
4147         (movsf_cf_hard): Add commentary.
4148
4149 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4150             Richard Sandiford  <richard@codesourcery.com>
4151
4152         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4153         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4154         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4155         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4156         as being live on exit from an interrupt function.
4157         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4158         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4159         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4160         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4161         (m68k_interrupt_function_p): Globalize.
4162         (m68k_compute_frame_layout): Remove reverse mask code.
4163         (m68k_emit_movem, m68k_set_frame_related): New functions.
4164         (m68k_output_function_prologue): Delete in favor of...
4165         (m68k_expand_prologue): ...this new function.
4166         (m68k_output_function_epilogue): Delete in favor of...
4167         (m68k_expand_epilogue): ...this new function.
4168         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4169         functions.
4170         (print_operand): Handle %?.
4171         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4172         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4173         (prologue, epilogue): New patterns.
4174         (return): Turn into a define_expand.
4175         (*return): New pattern, derived from old "return" pattern.  Use rte
4176         rather than rts for interrupt functions.  Only use rtd if the pop
4177         count is nonzero.
4178         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4179         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4180         (link, *link, unlink, *unlink, load_got): Likewise.
4181
4182 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4183
4184         PR target/23482
4185         PR target/17114
4186         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4187         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4188         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4189         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4190         and m68k_matches_u_p.
4191         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4192         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4193         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4194         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4195         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4196         (REG_STRICT_P): New macro.
4197         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4198         PCREL_GENERAL_OPERAND_OK.
4199         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4200         m68k_legitimate_base_reg_p.
4201         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4202         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4203         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4204         * config/m68k/m68k.c (m68k_address): New structure.
4205         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4206         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4207         (m68k_jump_table_ref_p, m68k_decompose_address)
4208         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4209         (m68k_matches_u_p): New functions.
4210         (print_operand_address): Rewrite to use m68k_decompose_index.
4211
4212 2007-03-05  David Taylor  <dtaylor@emc.com>
4213
4214         * gcc.c: Correct copyright date in --version output.
4215
4216 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4217
4218         * pa.md: In unamed move patterns, disparge copies between general
4219         and floating point registers using '?' modifier.  Don't include 'f'
4220         constraint for register preferences in DImode, SImode, HImode and
4221         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4222         Remove constraints for copies between general and floating registers
4223         in soft-float DFmode pattern.
4224         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4225         floating register.
4226         (movsf): Likewise.
4227
4228 2007-03-05  Mike Stump  <mrs@apple.com>
4229
4230         * c-common.c (targetcm): Add.
4231         * c-opts.c (c_common_handle_option): Handle language specific
4232         target options.
4233         * opts.c (handle_option): Verify language for target options, if
4234         any are given.
4235         * opth-gen.awk: Add CL_LANG_ALL.
4236         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4237         (TARGETCM_INITIALIZER): Add.
4238         * target.h (struct gcc_targetcm): Add.
4239         (targetcm): Add.
4240         * targhooks.c (default_handle_c_option): Add.
4241         * targhooks.h (default_handle_c_option): Add.
4242         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4243
4244         * config/darwin.opt (iframework): Add.
4245         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4246         * config/darwin-c.c (handle_c_option): Add.
4247         (TARGET_HANDLE_C_OPTION): Add.
4248         (targetcm): Add.
4249         * doc/invoke.texi (Darwin Options): Add -iframework.
4250
4251 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4252
4253         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4254         conversion.
4255
4256 2007-03-05  Ian Lance Taylor  <iant@google.com>
4257
4258         * c.opt (fgnu89-inline): New option.
4259         * c-opts.c (c_common_post_options): Set default value for
4260         flag_gnu89_inline.
4261         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4262         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4263         inline functions.
4264         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4265         (grokdeclarator, start_function): Likewise.
4266         * c-cppbuiltin.c (c_cpp_builtins): Define either
4267         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4268         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4269         (C Dialect Options): Document -fgnu89-inline.
4270         * doc/extend.texi (Function Attributes): Explain what the
4271         gnu_inline attribute does.
4272         * doc/cpp.texi (Common Predefined Macros): Document
4273         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4274
4275 2007-03-05  Ian Lance Taylor  <iant@google.com>
4276
4277         PR tree-optimization/31034
4278         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4279         half-range if the other side is an overflow infinity.
4280
4281 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4282
4283         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4284         (bfin*-linux-uclibc*): New configuration.
4285         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4286         defining.
4287         * config/bfin/linux.h: New file.
4288         * config/bfin/libgcc-bfin.ver: New file.
4289         * config/bfin/t-bfin-uclinux: New file.
4290         * config/bfin/t-bfin-linux: New file.
4291         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4292         (TARGET_OS_CPP_BUILTINS): New macro.
4293
4294 2007-03-05  Richard Guenther  <rguenther@suse.de>
4295
4296         * fold-const.c (fold_binary): Remove duplicate folding
4297         of comparison of non-null ADDR_EXPR against null.
4298
4299 2007-03-05  Richard Guenther  <rguenther@suse.de>
4300             Dorit Nuzman  <dorit@il.ibm.com>
4301
4302         PR tree-optimization/26420
4303         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4304         are no loops in the function.  Only print the number of
4305         vectorized loops if it is greater than zero or we are supposed
4306         to print information about unvectorized loops.
4307
4308 2007-03-05  Revital Eres  <eres@il.ibm.com>
4309
4310         * gcc.dg/var-expand1.c: New test.
4311         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4312         when an accumulator is expanded.
4313
4314 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4315
4316         PR other/30465
4317         * c-common.c (convert_and_check): Don't give warnings for
4318         conversion if 'expr' already overflowed.
4319
4320 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4321
4322         PR middle-end/30744
4323         * fold-const.c (fold_comparison): Enforce type consistency when
4324         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4325
4326 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4327
4328         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4329         containing a cast to the base of TARGET_MEM_REF.
4330
4331 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4332
4333         * tree.c (tree_contains_struct_check_failed): Remove spurious
4334         whitespace from error message.
4335
4336 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4337
4338         PR target/30406
4339         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4340         instead of precision.
4341
4342 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4343             Nathan Sidwell  <nathan@codesourcery.com>
4344
4345         * emit-rtl.c (find_auto_inc): New.
4346         (try_split): recreate REG_INC notes,
4347         Use regular for loops rather than whiles.
4348
4349 2007-03-03  Andreas Schwab  <schwab@suse.de>
4350
4351         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4352         * configure: Regenerate.
4353
4354 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4355
4356         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4357         flag_rounding_math, not flag_unsafe_math_optimizations.
4358
4359         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4360         fold_build2.
4361         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4362         alpha_fold_vector_minmax): Likewise.
4363         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4364         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4365
4366 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4367
4368         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4369         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4370         if the lhs has side-effects.
4371         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4372
4373 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4374
4375         * config/i386/i386.h (TUNEMASK): Remove define.
4376         (ARCHMASK): Remove define.
4377         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4378          Use ix86_arch_mask variable instead of ARCHMASK.
4379         * config/i386/i386.c (override_options): Ditto.
4380         (standard_80387_constant_p): Ditto.
4381
4382 2007-03-02  Ian Lance Taylor  <iant@google.com>
4383
4384         Used signed infinities in VRP.
4385         * tree-vrp.c (uses_overflow_infinity): New static function.
4386         (supports_overflow_infinity): New static function.
4387         (make_overflow_infinity): New static function.
4388         (negative_overflow_infinity): New static function.
4389         (positive_overflow_infinity): New static function.
4390         (is_negative_overflow_infinity): New static function.
4391         (is_positive_overflow_infinity): New static function.
4392         (is_overflow_infinity): New static function.
4393         (overflow_infinity_range_p): New static function.
4394         (compare_values_warnv): New function split out of compare_values.
4395         (compare_value): Call it.
4396         (set_value_range_to_nonnegative): Add overflow_infinity
4397         parameter.  Change caller.
4398         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4399         Change callers.
4400         (vrp_expr_computes_nonzero): Likewise.
4401         (compare_ranges, compare_range_with_value): Likewise.
4402         (compare_name_with_value, compare_names): Likewise.
4403         (vrp_evaluate_conditional): Likewise.
4404         (set_value_range): Handle infinity
4405         (vrp_operand_equal_p, operand_less_p): Likewise.
4406         (extract_range_from_assert): Likewise.
4407         (vrp_int_const_binop): Likewise.
4408         (extract_range_from_binary_expr): Likewise.
4409         (extract_range_from_unary_expr): Likewise.
4410         (extract_range_from_comparison): Likewise.
4411         (extract_range_from_expr): Likewise.
4412         (dump_value_range): Likewise.
4413         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4414         (test_for_singularity): Likewise.
4415         (vrp_int_const_binop): Remove inline qualifier.
4416         (adjust_range_with_scev): Add comment.
4417         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4418
4419 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4420
4421         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4422         (get_constraint_for): Likewise.
4423         (do_structure_copy): Likewise.
4424         (find_func_aliases): Fix references to MODIFY_EXPR.
4425         (intra_create_variable_infos): Tidy.
4426         * tree-ssa-operands.c (add_virtual_operand): Add argument
4427         IS_CALL_SITE.
4428         When adding members of alias sets, if IS_CALL_SITE is true and
4429         the symbol is not call-clobbered, skip it.
4430         Adjust all callers.
4431
4432 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4433
4434         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4435         entry by means of emit_insn_at_entry.
4436
4437 2007-03-02  Richard Henderson  <rth@redhat.com>
4438
4439         * expr.h (promoted_input_arg): Remove decl.
4440         * function.c (promoted_input_arg): Merge into ...
4441         * combine.c (setup_incoming_promotions): ... only caller.
4442         Rearrange to avoid double loop.
4443
4444 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4445             Peter Bergner  <bergner@vnet.ibm.com>
4446             Janis Johnson  <janis187@us.ibm.com>
4447
4448         * config/rs6000/dfp.md: New file.
4449         * config/rs6000/rs6000.md: Include dfp.md.
4450         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4451         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4452         and TDmode decimal float modes in FP registers.
4453         (num_insns_constant): Likewise.
4454         (rs6000_legitimate_offset_address_p): Likewise.
4455         (rs6000_legitimize_address): Likewise.
4456         (rs6000_legitimize_reload_address): Likewise.
4457         (rs6000_legitimate_address): Likewise.
4458         (rs6000_emit_move): Likewise.
4459         (function_arg_boundary): Likewise.
4460         (function_arg_advance): Likewise.
4461         (rs6000_darwin64_record_arg_recurse): Likewise.
4462         (function_arg): Likewise.
4463         (rs6000_gimplify_va_arg): Likewise.
4464         (rs6000_split_multireg_move): Likewise.
4465         (rs6000_output_function_epilogue): Likewise.
4466         (rs6000_output_function_epilogue): Likewise.
4467         (rs6000_register_move_cost): Likewise.
4468         (rs6000_function_value): Likewise.
4469         (rs6000_libcall_value): Likewise.
4470
4471 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4472
4473         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4474
4475 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4476
4477         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4478         Use $MULTIDIR to choose between the kernel and RTP headers,
4479         and use $WIND_BASE and $WIND_USR to locate them.
4480
4481 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4482
4483         * config/i386/i386.c (override_options): Put initialization of
4484         ix86_tune_mask and ix86_arch_mask to the correct place.
4485
4486 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4487             Michael Meissner  <michael.meissner@amd.com>
4488
4489         PR target/31019
4490         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4491         (ARCHMASK): Define.
4492         (TARGET_CMOVE): Use ARCHMASK.
4493         (TARGET_CMPXCHG): Ditto.
4494         (TARGET_CMPXCHG8B): Ditto.
4495         (TARGET_XADD): Ditto.
4496         (TARGET_BSWAP): Ditto.
4497         * config/i386/i386.c (ix86_tune_mask): New global variable.
4498         (ix86_arch_mask): Ditto.
4499         (override_options): Initialize ix86_tune_mask and
4500         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4501         target_flags.
4502
4503 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4504
4505         PR 30992
4506         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4507
4508 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4509
4510         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4511         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4512         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4513         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4514         hook.
4515         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4516         rs6000_init_dwarf_reg_sizes_extra): New.
4517         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4518         SPE register high parts.
4519
4520 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4521
4522         * Makefile.in: Add install-pdf target as
4523         copied from automake v1.10 rules.
4524         * configure.ac: Add install-pdf to target list.
4525         * configure: Regenerate.
4526
4527 2007-03-01  Paul Brook  <paul@codesourcery.com>
4528
4529         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4530         modes to LDRD for DImode.
4531         (output_move_double): Fixup out of range ldrd/strd.
4532         (vfp_secondary_reload_class): Rename...
4533         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4534         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4535         coproc_secondary_reload_class for CLASS_IWMMXT.
4536         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4537         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4538
4539 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4540
4541         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4542         factor by the estimated number of iterations.
4543         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4544         prefetch latency.
4545
4546         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4547         decode_caches_intel, detect_caches_intel): New functions.
4548         (host_detect_local_cpu): Use detect_caches_amd and
4549         detect_caches_intel.
4550
4551 2007-03-01  Richard Henderson  <rth@redhat.com>
4552
4553         * expr.c (emit_move_complex_push): Export.
4554         (emit_move_complex_parts): Split out from ...
4555         (emit_move_complex): ... here.
4556         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4557         * config/i386/i386.md (movcdi): New.
4558
4559 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4560
4561         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4562         size of mode1 to check for tieable modes in MMX case.
4563
4564 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4565
4566         * Makefile.in (rtlanal.o): Depend on tree.h.
4567         * rtl.h (offset_within_section_p, split_const): Declare.
4568         * rtlanal.c: Include tree.h.
4569         (offset_within_block_p): New function, taken from
4570         mips_offset_within_object_p.
4571         (split_const): New function, taken from mips_split_const.
4572         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4573         Declare.
4574         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4575         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4576         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4577         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4578         (m68k_illegitimate_symbolic_constant_p): New function.
4579         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4580         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4581         symbolic constant that might be outside the symbol's section,
4582         move the symbol first and then add the offset.
4583         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4584         Override.
4585         * config/mips/mips.c (mips_split_const): Delete.
4586         (mips_offset_within_object_p): Delete.
4587         (mips_symbolic_constant_p): Use offset_within_section_p and
4588         split_const instead of mips_offset_within_object_p and
4589         mips_split_const.
4590         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4591         (mips_legitimize_const_move, print_operand_reloc)
4592         (mips_dangerous_for_la25_p): Use split_const instead of
4593         mips_split_const.
4594
4595 2007-02-28  Eric Christopher  <echristo@apple.com>
4596
4597         * Makefile.in (install-include-dir): Don't rm -rf include.
4598
4599 2007-02-28  Richard Guenther  <rguenther@suse.de>
4600
4601         PR middle-end/30364
4602         * fold-const.c (fold_binary): Do not associate expressions
4603         with more than one variable for integer types that do not wrap.
4604
4605 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4606
4607         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4608         Delete, and replace with...
4609         (fold_builtin_call_array): This.  Update callers to use it.
4610         * fold-const.c (fold_build_call_list): Delete, and replace with...
4611         (fold_build_call_array): This.
4612         (fold_build_call_list_initializer): Delete, and replace with...
4613         (fold_build_call_array_initializer): This.
4614         * tree.h: Update declarations to reflect above changes.
4615
4616         * c-typeck.c (build_function_call): Store converted arguments
4617         in a stack-allocated array instead of building a list.
4618         (convert_arguments): Store arguments in the array passed in as an
4619         argument, and return the actual number of arguments.
4620         * c-format.c: (check_function_format): Pass arguments in an
4621         array instead of a list.
4622         * c-common.c (check_function_nonnull): Likewise.
4623         (check_function_sentinel): Likewise.
4624         (check_function_arguments): Likewise.
4625         * c-common.h: Update declarations to reflect above changes.
4626
4627 2007-02-28  Jan Hubicka  <jh@suse.cz>
4628
4629         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4630         PRED_NEGATIVE_RETURN): Update outcomes.
4631
4632 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4633
4634         * calls.c (emit_library_call_value_1): Handle partial registers
4635         correctly when building up CALL_INSN_FUNCTION_USAGE.
4636
4637 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4638
4639         * pa/predicates.md (move_src_operand): Allow zero for mode.
4640         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4641         move pattern.
4642
4643 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4644
4645         PR target/30970
4646         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4647         *movv2df_internal): Enable pattern only for valid operand
4648         combinations.
4649         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4650         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4651
4652 2007-02-27  Mike Stump  <mrs@apple.com>
4653
4654         * config/darwin-crt3.c: Avoid compilation when compiling for a
4655         kext multilib.
4656
4657 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4658
4659         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4660         FIXED_INCLUDE_DIR.
4661         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4662         for fixed headers and limits.h.
4663         (install-include-dir, install-headers-tar, install-headers-cpio,
4664         install-headers-cp, real-install-headers-tar,
4665         real-install-headers-cpio, real-install-headers-cp): Handle
4666         include-fixed as well as include.
4667         (install-mkheaders): Don't install files that go only in include
4668         not include-fixed.
4669         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4670         from GCC_INCLUDE_DIR.
4671         * gcc.c (process_command): Remove special -BstageN/ handling.
4672         (do_spec_1): Add include-fixed directories.
4673
4674 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4675
4676         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4677         _smulsi3_highpart.
4678         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4679         New functions.
4680         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4681         patterns.
4682
4683 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4684
4685         * c-common.c (get_priority): Add check for
4686         SUPPORTS_INIT_PRIORITY.
4687
4688 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4689
4690         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4691
4692         * config/bfin/bfin.c: Include "cfglayout.h".
4693         (MAX_LSETUP_DISTANCE): New macro.
4694         (struct loop_info): New members incoming, incoming_src and
4695         incoming_dest.  Delete member predecessor.
4696         (length_for_loop): New function.
4697         (bfin_optimize_loop): Handle more different loop structures.
4698         (bfin_discover_loop): Rework detection of predecessor blocks by
4699         examining incoming edges.
4700         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4701         bfin_reorg_loops.
4702         (bfin_reorder_loops): New function.
4703         (bfin_reorg_loops): Use these three new functions.
4704
4705         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4706         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4707         (CONSTRAINT_LEN): Add entry for 'q'.
4708         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4709         Add 'q' constraints.
4710         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4711         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4712
4713         * config/bfin/bfin.md (add_with_carry): New pattern.
4714         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4715         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4716         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4717         support unsigned multiplies too.  Removed incorrect commutativity from
4718         operand 1 constraint where appropriate.
4719         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4720         patterns.
4721         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4722         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4723         New patterns.
4724         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4725         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4726         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4727         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4728         usmulhisi_hh_huh): New patterns.
4729
4730         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4731         lshifthi3): Fix output template to use half reg for operand 2.
4732
4733         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4734         instead of R2.
4735
4736         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4737
4738 2007-02-27  Andreas Schwab  <schwab@suse.de>
4739
4740         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4741
4742 2007-02-27  Jan Hubicka  <jh@suse.cz>
4743
4744         * predict.c (last_basic_block_p): Remove.
4745         (tree_estimate_probability): Update return heuristic for commonized
4746         return blocks.
4747
4748 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4749
4750         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4751
4752 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4753
4754         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4755         * doc/cpp.texi: Standardize title page.
4756         * doc/cppinternals.texi: Likewise.
4757         * doc/gcc.texi: Standardize title page, remove version number
4758         from copyright page.
4759         * doc/gccint.texi: Likewise.
4760         * doc/install.texi: Standardize title page, add table of
4761         contents.
4762
4763 2007-02-26  Jan Hubicka  <jh@suse.cz>
4764
4765         * predict.def: Set outcomes according to more recent results.
4766         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4767         Remove dead predictors.
4768         * predict.c (return_prediction): Fix pasto.
4769
4770 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4771
4772         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4773         change; avoid a memory leak when returning early.
4774
4775 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4776
4777         * c-decl.c (static_ctors): Move to c-common.c.
4778         (static_dtors): Likewise.
4779         (finish_function): Use c_record_cdtor_fn.
4780         (build_cdtor): Move to c-common.c.
4781         (c_write_global_declarations): Use c_build_cdtor_fns.
4782         * c-common.h (static_ctors): Declare.
4783         (static_dtors): Likewise.
4784         (c_record_cdtor_fn): Likewise.
4785         (c_build_cdtor_fns): Likewise.
4786         * c-common.c (static_ctors): New variable.
4787         (static_dtors): Likewise.
4788         (c_record_cdtor_fn): New function.
4789         (build_cdtor): Move from c-decl.c
4790         (c_build_cdtor_fns): New function.
4791
4792         * output.h (assemble_addr_to_section): Declare.
4793         (get_cdtor_priority_section): Likewise.
4794         * varasm.c (assemble_addr_to_section): New function.
4795         (get_cdtor_priority_section): Likewise.
4796         (default_named_section_asm_out_destructor): Use them.
4797         (destor_dtor_section_asm_out_destructor): Likewise.
4798         (default_named_section_asm_out_constructor): Likewise.
4799         (default_ctor_section_asm_out_constructor): Likewise.
4800         * config.gcc (*-*-vxworks*): Include vxworks.o.
4801         * config/t-vxworks (vxworks.o): New target.
4802         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4803         (TARGET_ASM_CONSTRUCTOR): Define.
4804         (TARGET_ASM_DESTRUCTOR): Likewise.
4805         (vxworks_asm_out_constructor): Declare.
4806         (vxworks_asm_out_destructor): Likewise.
4807
4808         * c-common.c (get_priority): Check that we have not just an
4809         INTEGER_CST, but an integer constant with integeral type.
4810
4811 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4812
4813         PR tree-optimization/30938
4814         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4815         use &dt[nargs-1] instead of &dt[nargs] in the call to
4816         vect_is_simple_use().
4817
4818 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4819
4820         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4821         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4822         Do not attempt to handle MEM inside auto-inc expressions.
4823         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4824         of a register modified by an auto-inc expression.  However, do handle
4825         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4826         (elimination_effects): Prohibit elimination of a register modified
4827         by an auto-inc expression.  Disable register elimination rules whose
4828         target register is modified by an auto-inc expression with variable
4829         increment.
4830
4831 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4832
4833         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4834         off-by-one error.
4835         (array_at_struct_end_p): New function.
4836         (idx_infer_loop_bounds): Use it.
4837         (estimate_numbers_of_iterations_loop): Export.
4838         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4839         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4840         (tree_estimate_probability): Call record_loop_exits.
4841         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4842         (estimated_loop_iterations, estimated_loop_iterations_int,
4843         estimated_loop_iterations_tree): New functions.
4844         (analyze_siv_subscript_cst_affine,
4845         compute_overlap_steps_for_affine_1_2,
4846         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4847         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4848         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4849         (PRED_LOOP_ITERATIONS_GUESSED): New.
4850         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4851         * cfgloop.h (estimate_numbers_of_iterations_loop,
4852         estimated_loop_iterations_int): Declare.
4853
4854 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4855
4856         * doc/extend.texi: Document optional priority argument to
4857         constructors and destructors.
4858         * tree.c (init_priority_for_decl): Adjust GTY markers.
4859         (init_ttree): Use priority-info hash functions for
4860         init_priority_for_decl.
4861         (tree_map_eq): Rename to ...
4862         (tree_map_base_eq): ... this.
4863         (tree_map_marked_p): Rename to ...
4864         (tree_map_base_marked_p): ... this.
4865         (tree_map_base_hash): New function.
4866         (decl_init_priority_lookup): Rework.
4867         (decl_fini_priority_lookup): New function.
4868         (decl_priority_info): New function.
4869         (decl_init_priority_insert): Use it.
4870         (decl_fini_priority_insert): Likewise.
4871         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4872         hierarchy.
4873         (decl_restrict_base_insert): Likewise.
4874         (decl_debug_expr_insert): Likewise.
4875         (decl_value_expr_lookup): Likewise.
4876         (decl_value_expr_insert): Likewise.
4877         * tree.h (priority_type): New type.
4878         (decl_init_priority_lookup): Use priority_type.
4879         (decl_fini_priority_lookup): New function.
4880         (decl_init_priority_insert): Use priority_type.
4881         (decl_fini_priority_insert): New function.
4882         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4883         (DECL_INIT_PRIORITY): Likewise.
4884         (SET_DECL_INIT_PRIORITY): Add comment.
4885         (DECL_FINI_PRIORITY): New macro.
4886         (SET_DECL_FINI_PRIORITY): Likewise.
4887         (DEFAULT_INIT_PRIORITY): Document.
4888         (MAX_INIT_PRIORITY): Likewise.
4889         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4890         (tree_map_base): New type.
4891         (tree_map_base_eq): New function.
4892         (tree_map_base_hash): Likewise.
4893         (tree_map_base_marked_p): Likewise.
4894         (tree_map): Inherit from tree_map_base.
4895         (tree_map_eq): Make it a macro.
4896         (tree_map_marked_p): Likewise.
4897         (tree_int_map): Inherit from tree_map_base.
4898         (tree_int_map_eq): Make it a macro.
4899         (tree_int_map_hash): Likewise.
4900         (tree_int_map_marked_p): Likewise.
4901         (tree_priority_map): New type.
4902         (tree_priority_map_eq): New macro.
4903         (tree_priority_map_hash): Likewise.
4904         (tree_priority_map_marked_p): Likewise.
4905         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4906         hierarchy.
4907         (emutls_common_1): Likewise.
4908         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4909         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4910         of tree_map hierarchy.
4911         * tree-cfg.c (move_stmt_r): Likewise.
4912         (new_label_mapper): Likewise.
4913         * c-tree.h (c_expand_body): Move to ...
4914         * c-common.h (c_expand_body): ... here.
4915         * c-decl.c (c_expand_body): Move to ...
4916         * c-common.c (c_expand_body): ... here.
4917         (c_common_attribute_table): Allow 1 argument for the constructor
4918         and destructor attributes.
4919         (get_priority): New function.
4920         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4921         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4922
4923 2007-02-24  Jan Hubicka  <jh@suse.cz>
4924
4925         PR middle-end/30509
4926         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4927
4928 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4929             Jan Hubicka  <jh@suse.cz>
4930
4931         PR target/30778
4932         * i386.c (counter_mode): New function.
4933         (expand_set_or_movmem_via_loop): Use it.
4934         (expand_movmem_epilogue): Likewise; fix pasto.
4935         (ix86_expand_movmem): Do emit guard even for constant counts.
4936         (ix86_expand_setmem): Likewise.
4937
4938 2007-02-25  Nick Clifton  <nickc@redhat.com>
4939
4940         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4941         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4942
4943 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4944
4945         PR target/30770
4946         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4947         count argument with 0x10, not with 0x16.
4948         (expand_setmem_epilogue): Ditto.
4949
4950 2007-02-24  Mike Stump  <mrs@apple.com>
4951
4952         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4953         symbols.
4954
4955 2007-02-24  Richard Guenther  <rguenther@suse.de>
4956
4957         PR middle-end/30951
4958         * fold-const.c (fold_binary): Fold x +- CST op x for
4959         EQ_EXPR and NE_EXPR.
4960
4961 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4962
4963         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4964
4965 2007-02-24  Jan Hubicka  <jh@suse.cz>
4966
4967         * cgraphunit.c (decide_is_function_needed): Honor
4968         -fkeep-inline-functions.
4969
4970 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4971
4972         * builtins.c (fold_builtin_modf): New.
4973         (fold_builtin_2): Use it.
4974
4975 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4976
4977         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4978         (determine_max_iter): Take additional LOOP arg; all callers changed.
4979         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4980         one using simplifications.
4981         (simplify_using_initial_values): Return if the expression becomes
4982         invalid due to altered regs.
4983
4984 2007-02-23  DJ Delorie  <dj@redhat.com>
4985
4986         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4987
4988 2007-02-23  Mike Stump  <mrs@apple.com>
4989
4990         * tlink.c (scan_linker_output): Parse linker messages from
4991         darwin9's linker better.
4992
4993 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4994
4995         PR debug/29614
4996         * varpool.c (varpool_assemble_pending_decls):  Set
4997         varpool_last_needed_node to null.
4998
4999 2007-02-23  DJ Delorie  <dj@redhat.com>
5000
5001         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5002         alignment bigger than the object file can handle.
5003
5004 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5005
5006         PR target/30825
5007         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5008         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5009         (*movsf_1): Penalize MMX moves.
5010
5011 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5012
5013         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5014         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5015
5016         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5017
5018 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5019
5020         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5021         (fold_builtin_1): Use them.
5022         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5023         BUILT_IN_SIGNIFICAND.
5024
5025 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5026
5027         * config/i386/i386.c (bdesc_1arg): Initialize
5028         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5029         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5030         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5031         and IX86_BUILTIN_MOVSLDUP.
5032
5033 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5034
5035         PR rtl-optimization/30841
5036         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5037
5038 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5039
5040         * builtins.c (fold_builtin_frexp): New.
5041         (fold_builtin_2): Use it.
5042
5043 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5044
5045         * doc/invoke.texi (Spec Files): Document getenv spec function.
5046
5047         * gcc.c (getenv_spec_function): New function.
5048         (static_spec_functions): Add it.
5049         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5050         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5051         header files.
5052
5053 2007-02-22  Michael Matz  <matz@suse.de
5054
5055         PR c++/29433
5056         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5057         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5058
5059 2007-02-22  Ian Lance Taylor  <iant@google.com>
5060
5061         PR debug/30898
5062         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5063         (mem_loc_descriptor): Call it.
5064
5065 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5066             Ira Rosen  <irar@il.ibm.com>
5067
5068         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5069
5070 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5071
5072         PR tree-optimization/30843
5073         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5074         stores only after all the group is vectorized.
5075
5076 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5077
5078         PR tree-optimization/30858
5079         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5080         in the reduction cycle have a single use in the loop.
5081         * tree-vectorizer.h (relevant): Add documentation.
5082
5083 2007-02-20  Mike Stump  <mrs@apple.com>
5084
5085         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5086         * configure: Regenerate.
5087
5088 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5089
5090         Change the defaults of some parameters and options.
5091         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5092         * config/spu/spu.c (spu_optimization_options): Add.
5093         (spu_override_options): Change params in spu_optimization_options.
5094         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5095
5096         Register 127 is only 16 byte aligned when used as a frame pointer.
5097         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5098         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5099         HARD_FRAME_POINTER_REGNUM.
5100         (spu_legitimate_address):  Use regno_aligned_for_reload.
5101         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5102         aligned when frame_pointer_needed is true.
5103         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5104         to 8 bits.
5105         * config/spu/spu.h (INIT_EXPANDERS): Define.
5106
5107         Make sure shift and rotate instructions have valid immediate operands.
5108         * config/spu/predicates.md (spu_shift_operand): Remove.
5109         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5110         * config/spu/constraints.md (W, O): Extend range.
5111         * config/spu/spu.md (umask, nmask): Define.
5112         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5113         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5114         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5115         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5116         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5117         (lshr<mode>3_reg):  Fix rtl description.
5118
5119         Make sure mulhisi immediate operands are valid.
5120         * config/spu/predicates.md (imm_K_operand): Add.
5121         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5122
5123         Generate constants using fsmbi and andi.
5124         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5125         (print_operand, spu_split_immediate, classify_immediate,
5126         fsmbi_const_p): Handle IC_FSMBI2.
5127
5128         Correctly handle a CONST_VECTOR containing symbols.
5129         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5130         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5131         (immediate_load_p): Allow symbols that use 2 instructions to create.
5132         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5133         with symbols when flag_pic is set.
5134         (const_vector_immediate_p): New.
5135         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5136         accept a CONST_VECTOR with symbols.
5137         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5138         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5139         correctly.
5140         * config/spu/spu.md (high, low): Delete.
5141         (low_<mode>): Define.
5142
5143         Remove INTRmode and INTR_REGNUM, which didn't work.
5144         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5145         of INTR_REGNUM.
5146         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5147         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5148         peephole2 pattern): Don't use INTR or 131.
5149         (movintrcc): Delete.
5150         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5151         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5152         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5153         (UNSPEC_SET_INTR): Add.
5154         * config/spu/spu-modes.def (INTR): Remove.
5155
5156         More accurate warnings about run-time relocations.
5157         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5158
5159         Correctly warn about immediate arguments to specific intrinsics.
5160         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5161         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5162         the instruction predicate.
5163
5164         Fix tree check errors with latest update.
5165         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5166         CALL_EXPR_ARG.
5167         (spu_expand_builtin): Use CALL_EXPR_FN.
5168
5169         Add missing specific intrinsics.
5170         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5171         si_bislede.
5172         * config/spu/spu_internals.h: Ditto.
5173
5174         Fix incorrect operand modifiers.
5175         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5176         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5177
5178         Optimize one case of zero_extend of a vec_select.
5179         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5180
5181         Accept any immediate for hbr.
5182         * config/spu/spu.md (hbr):  Change s constraints to i.
5183
5184 2007-02-21  Paul Brook  <paul@codesourcery.com>
5185
5186         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5187         condexec_count when skipping USE and CLOBBER.
5188
5189 2007-02-21  Nick Clifton  <nickc@redhat.com>
5190
5191         * common.opt (Warray-bounds): Add Warning attribute.
5192         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5193         Likewise.
5194         (fsized-zeroes): Add Optimization attribute.
5195         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5196         * c.opt (Wc++0x-compat): Add Warning attribute.
5197
5198 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5199
5200         PR middle-end/30761
5201         * reload1.c (eliminate_regs_in_insn): In the single_set special
5202         case, attempt to re-recognize the insn before falling back to
5203         having reload fix it up.
5204
5205 2007-02-20  Eric Christopher  <echristo@gmail.com>
5206
5207         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5208         Rewrite accordingly.
5209         (frv_read_iacc_argument): Ditto.
5210         (frv_expand_set_builtin): Take a call instead of arglist, update for
5211         above changes.
5212         (frv_expand_unop_builtin): Ditto.
5213         (frv_expand_binop_builtin): Ditto.
5214         (frv_expand_cut_builtin): Ditto.
5215         (frv_expand_binopimm_builtin): Ditto.
5216         (frv_expand_voidbinop_builtin): Ditto.
5217         (frv_expand_int_void2arg): Ditto.
5218         (frv_expand_prefetches): Ditto.
5219         (frv_expand_voidtriop_builtin): Ditto.
5220         (frv_expand_voidaccop_builtin): Ditto.
5221         (frv_expand_load_builtin): Ditto.
5222         (frv_expand_store_builtin): Ditto.
5223         (frv_expand_mdpackh_builtin): Ditto.
5224         (frv_expand_mclracc_builtin): Ditto.
5225         (frv_expand_mrdacc_builtin): Ditto.
5226         (frv_expand_mwtacc_builtin): Ditto.
5227         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5228         calls for above.
5229
5230 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5231
5232         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5233         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5234         cmpb instruction.
5235         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5236         point instructions.
5237         * configure: Regenerate.
5238         * config.in: Regenerate.
5239         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5240         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5241         masks to power6 and power6x and to POWERPC_MASKS.
5242         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5243         _ARCH_PWR6.
5244         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5245         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5246         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5247         Access PROTOTYPE as variable, not mask.
5248
5249 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5250
5251         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5252         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5253         * combine.c (adjust_for_new_dest): Use it.
5254         * postreload.c (reload_combine): Likewise.
5255
5256 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5257
5258         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5259         notes on an insn with multiple sets, even if single_set returns
5260         non-NULL for that insn.
5261
5262 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5263
5264         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5265         scalbn and scalbln.
5266
5267 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5268
5269         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5270         if user didn't pass it.
5271         * config/i386/darwin.h (CC1_SPEC): Likewise.
5272         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5273         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5274         -mmacosx-version-min.
5275
5276 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5277             Uros Bizjak  <ubizjak@gmail.com>
5278
5279         * optabs.h (enum optab_index): Add new OTI_scalb.
5280         (scalb_optab): Define corresponding macro.
5281         * optabs.c (init_optabs): Initialize scalb_optab.
5282         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5283         patterns.
5284         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5285         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5286         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5287         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5288         flag_unsafe_math_optimizations is set.
5289
5290         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5291         to implement scalbf, scalb and scalbl built-ins as inline x87
5292         intrinsics.
5293
5294 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5295             DJ Delorie <dj@redhat.com>
5296
5297         PR other/30824
5298         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5299         (diagnostic_report_diagnostic): ... here, and turn them into real
5300         errors. If warnings are inhibited, no need to do anything.
5301
5302 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5303
5304         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5305         better code generation.
5306
5307 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5308
5309         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5310
5311 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5312
5313         * config/alpha/alpha.c, config/alpha/alpha.md,
5314         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5315         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5316         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5317         config/arm/lib1funcs.asm: Follow spelling conventions.
5318
5319         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5320         config/fr30/fr30.md, config/i386/i386.h,
5321         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5322         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5323         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5324         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5325         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5326         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5327         config/sparc/sparc.c, config/sparc/sparc.h,
5328         config/sparc/sparc.md, config/spu/constraints.md,
5329         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5330         conventions.
5331
5332 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5333
5334         PR target/29943
5335         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5336         alias attribute.
5337
5338 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5339
5340         * doc/invoke.texi (-ftree-lrs): Remove.
5341
5342 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5343
5344         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5345         NULL.
5346
5347 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5348
5349         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5350         new CALL_EXPR_FN macro for retrieving the function
5351         declaration of the input expression.
5352
5353 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5354
5355         * c.opt (Waddress): New.
5356         * common.opt (Walways-true): Delete.
5357         (Wstring-literal-comparison): Delete.
5358         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5359         -Wstring-literal-comparison. Add -Waddress.
5360         (Waddress): New.
5361         (Walways-true): Delete.
5362         (Wstring-literal-comparison): Delete.
5363         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5364         consistently instead of -Walways-true in example.
5365         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5366         * c-typeck.c (parser_build_binary_op): Replace
5367         -Wstring-literal-comparison and -Walways-true with -Waddress.
5368         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5369         with -Waddress.
5370
5371 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5372
5373         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5374         without DECL_STRUCT_FUNCTION initialized.
5375
5376 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5377
5378         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5379         due to calls to functions taking pointers as parameters.
5380
5381 2007-02-19  Richard Henderson  <rth@redhat.com>
5382
5383         PR debug/29558
5384         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5385         in memory.
5386
5387 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5388
5389         * config/s390/s390.c (s390_call_saved_register_used,
5390         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5391         accessed to the new scheme.
5392
5393 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5394
5395         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5396         (cris_print_index, cris_print_operand, cris_print_operand_address)
5397         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5398         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5399         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5400         GET_CODE () == xxx.
5401         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5402         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5403         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5404         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5405         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5406         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5407         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5408         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5409         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5410         (uminsi3, call, call_value): Ditto.
5411         (define_split: indir_to_reg_split, unnamed): Ditto.
5412
5413 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5414
5415         PR tree-optimization/30975
5416         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5417         wrong assert.
5418
5419 2007-02-18  Eric Christopher  <echristo@gmail.com>
5420
5421         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5422         Remove use of arglist.
5423         (mips_expand_builtin): Remove use of arglist, pass in expr.
5424         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5425         (mips_expand_builtin_movtf): Ditto.
5426         (mips_expand_builtin_compare): Ditto.
5427
5428 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5429
5430         * tree-sra.c (sra_build_assignment): Replace assertion
5431         checking with a comment explaining why it can't be done.
5432
5433 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5434
5435         PR middle-end/30833
5436         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5437         during CALL_EXPR representation conversion.
5438         * tree-ssa-propagate.c (set_rhs): Likewise.
5439
5440 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5441
5442         * tree-sra.c (sra_build_assignment): Disable assertion checking
5443         for now.
5444
5445 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5446
5447         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5448         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5449         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5450         Likewise.
5451         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5452         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5453         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5454         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5455         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5456         force_gimple_operand): Likewise.
5457         * ipa-cp.c (constant_val_insert): Likewise.
5458         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5459         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5460         perfect_nestify): Likewise.
5461         * langhooks.c (lhd_omp_assignment): Likewise.
5462         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5463         lower_copyprivate_clauses, lower_send_clauses,
5464         lower_send_shared_vars, expand_parallel_call,
5465         expand_omp_for_generic, expand_omp_for_static_nochunk,
5466         expand_omp_for_static_chunk, expand_omp_sections,
5467         lower_omp_single_copy, lower_omp_for_lastprivate,
5468         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5469         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5470         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5471         Likewise.
5472
5473 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5474
5475         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5476         config/sh/sh.md: Follow spelling conventions.
5477
5478         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5479         config/frv/predicates.md: Follow spelling conventions.
5480
5481         * config/m68k/linux-unwind.h: Fix a comment typo.
5482         * target.h: Follow spelling conventions.
5483
5484 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5485
5486         PR rtl-optimization/28173
5487         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5488         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5489         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5490         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5491         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5492
5493 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5494
5495         * builtins.c (fold_builtin_load_exponent): New.
5496         (fold_builtin_2): Use it.
5497
5498 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5499
5500         PR rtl-optimization/30773
5501         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5502         if we fail to attach a REG_EQUIV note.
5503
5504 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5505             Roger Sayle  <roger@eyesopen.com>
5506
5507         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5508
5509 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5510
5511         * calls.c (initialize_argument_information): Pass original EXP
5512         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5513         code to split complex arguments here, as part of initializing the
5514         ARGS array.
5515         (expand_call): Remove code that builds a list of arguments and
5516         inserts implicit arguments into it.  Instead, just count how many
5517         implicit arguments there will be so we can determine the size of
5518         the ARGS array, and let initialize_argument_information do the work.
5519         (split_complex_values): Delete unused function.
5520
5521 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5522
5523         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5524
5525 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5526
5527         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5528         for arg pointer based indexed addressing.
5529
5530 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5531
5532         * config/ia64/ia64.h, config/ia64/ia64.md,
5533         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5534         spelling conventions.
5535
5536 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5537
5538         * config/m68k/m68k.c (split_di): New.
5539         * config/m68k/m68k-protos.h: Declare split_di.
5540         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5541           Improve predicate handling and split constant shifts.
5542
5543 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5544
5545         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5546         parameter for register bitfield operations, general predicates
5547         cleanup
5548
5549 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5550
5551         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5552         * config/m68k/linux-unwind.h: New file.
5553
5554 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5555
5556         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5557         config/i386/athlon.md, config/ia64/ia64.md,
5558         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5559         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5560         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5561         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5562         tree-vect-transform.c: Fix comment typos.
5563
5564 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5565
5566         * sched-deps.c (find_insn_list): Remove.
5567         * sched-int.h: Remove the prototype for find_insn_list.
5568
5569 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5570
5571         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5572         to linker.
5573         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5574         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5575         darwin_rs6000_override_options.
5576         (C_COMMON_OVERRIDE_OPTIONS): Expect
5577         darwin_macosx_version_min to be non-NULL always.
5578         (TARGET_C99_FUNCTIONS): Likewise.
5579         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5580         (DARWIN_MINVERSION_SPEC): New.
5581         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5582         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5583         to cc1*.
5584         (DARWIN_MINVERSION_SPEC): New.
5585         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5586         value.
5587         * config/darwin-c.c (darwin_cpp_builtins): Expect
5588         darwin_macosx_version_min to be non-NULL always.
5589
5590         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5591
5592 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5593
5594         * config/i386/i386.h (x86_use_xchgb): New.
5595         (TARGET_USE_XCHGB): New macro.
5596         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5597         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5598         Split after reload into bswaphi for shifts of 8.
5599         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5600         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5601         or when optimizing for size.
5602
5603 2007-02-16  Richard Guenther  <rguenther@suse.de>
5604             Christian Bruel  <christian.bruel@st.com>
5605
5606         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5607         DECLs but prefer SSA_NAMEs over DECLs.
5608
5609 2007-02-16  Richard Guenther  <rguenther@suse.de>
5610
5611         * tree-flow-inline.h (single_imm_use_p): Remove.
5612         (zero_imm_uses_p): Likewise.
5613         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5614         instead of single_imm_use_p.
5615         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5616         zero_imm_uses_p.
5617
5618 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5619
5620         PR other/27843
5621         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5622         nested double- and backquotes.
5623
5624 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5625
5626         PR middle-end/30391
5627         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5628         should be unreachable.
5629         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5630         For the time being redirect GIMPLE_MODIFY_STMT to the new
5631         (renamed) build_gimple_modify_stmt_stat.
5632         (build2_gimple_stat): Rename to...
5633         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5634         Always build a GIMPLE_MODIFY_STMT node.
5635         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5636         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5637         declarations.
5638
5639         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5640         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5641         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5642         expand_complex_div_wide): Likewise.
5643         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5644         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5645         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5646         * tree-ssa-loop-manip.c (create_iv): Likewise.
5647         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5648         abs_replacement): Likewise.
5649         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5650         realify_fake_stores): Likewise.
5651
5652         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5653         node rather than a GIMPLE_MODIFY_STMT node.
5654         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5655         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5656         Likewise.
5657         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5658         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5659         GIMPLE_MODIFY_STMT.
5660
5661 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5662
5663         PR middle-end/30433
5664         * fold-const.c (fold_comparison): Add back the
5665         folding of constant complex comparisions.
5666
5667 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5668
5669         PR middle-end/30729
5670         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5671         effects unknown to this function, return early.
5672
5673 2007-02-15  Ian Lance Taylor  <iant@google.com>
5674
5675         * lower-subreg.c (move_eh_region_note): New static function.
5676         (resolve_simple_move): Call it.
5677         (decompose_multiword_subregs): Track blocks for which we resolve a
5678         simple move which is also a control flow insn.  Pass them to
5679         find_many_sub_basic_blocks.
5680         (pass_lower_subreg): Add TODO_verify_flow.
5681         (pass_lower_subreg2): Likewise.
5682
5683 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5684             Brooks Moses  <brooks.moses@codesourcery.com>
5685             Lee Millward  <lee.millward@codesourcery.com>
5686
5687         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5688         (VL_EXP_CLASS_P): New.
5689         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5690         TREE_CODE_LENGTH.
5691         (TREE_OPERAND_CHECK_CODE): Likewise.
5692         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5693         (TREE_RTL_OPERAND_CHECK): Likewise.
5694         (tree_operand_check_failed): Make second parameter the whole tree
5695         instead of its code.  Fixed callers.
5696         (VL_EXP_CHECK): New.
5697         (TREE_OPERAND_LENGTH): New.
5698         (VL_EXP_OPERAND_LENGTH): New.
5699         (CALL_EXPR_FN): New.
5700         (CALL_EXPR_STATIC_CHAIN): New.
5701         (CALL_EXPR_ARGS): New.
5702         (CALL_EXPR_ARG): New.
5703         (call_expr_nargs): New.
5704         (CALL_EXPR_ARGP): New.
5705         (build_nt_call_list): Declare.
5706         (build_vl_exp_stat): Declare.
5707         (build_vl_exp): New.
5708         (build_call_list): Declare.
5709         (build_call_nary): Declare.
5710         (build_call_valist): Declare.
5711         (build_call_array): Declare.
5712         (call_expr_arg): Declare.
5713         (call_expr_argp): Declare.
5714         (call_expr_arglist): Declare.
5715         (fold_build_call_list): Declare.
5716         (fold_build_call_list_initializer): Declare.
5717         (fold_call_expr): Declare to replace fold_builtin.
5718         (fold_builtin_fputs): Update to agree with modified definition.
5719         (fold_builtin_strcpy): Likewise.
5720         (fold_builtin_strncpy): Likewise.
5721         (fold_builtin_memory_chk): Likewise.
5722         (fold_builtin_stxcpy_chk): Likewise.
5723         (fold_builtin_strncpy_chk): Likewise.
5724         (fold_builtin_next_arg): Likewise.
5725         (fold_build_call_expr): Declare.
5726         (fold_builtin_call_list): Declare.
5727         (fold_builtin_call_valist): Declare.
5728         (build_call_expr): Declare.
5729         (validate_arglist): Update to agree with modified definition.
5730         (tree_operand_length): New.
5731         (call_expr_arg_iterator): New.
5732         (init_call_expr_arg_iterator): New.
5733         (next_call_expr_arg): New.
5734         (first_call_expr_arg): New.
5735         (more_call_expr_args_p): New.
5736         (FOR_EACH_CALL_EXPR_ARG): New.
5737
5738         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5739         and tcc_gimple_stmt.
5740         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5741         than sizeof (char *).
5742         (tree_size): Likewise.  Add case for tcc_vl_exp.
5743         (tree_node_structure): Add case for tcc_vl_exp.
5744         (contains_placeholder_p): Likewise.
5745         (substitute_in_expr): Likewise.
5746         (substitute_placeholder_in_expr): Likewise.
5747         (stabilize_reference_1): Likewise.
5748         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5749         to diagnose breakage of this interface for constructing CALL_EXPRs.
5750         (build_nt): Add similar assertion here.
5751         (build_nt_call_list): New.
5752         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5753         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5754         TREE_CODE_LENGTH.
5755         (get_callee_fndecl): Use new CALL_EXPR accessors.
5756         (tree_operand_check_failed): Change parameters to pass entire node
5757         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5758         (process_call_operands): New.
5759         (build_vl_exp_stat): New.
5760         (build_call_list): New.
5761         (build_call_nary): New.
5762         (build_call_valist): New.
5763         (build_call_array): New.
5764         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5765         (call_expr_arglist): New.
5766
5767         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5768         tcc_vl_exp instead of a fixed-size tcc_expression.
5769
5770         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5771         accessors for CALL_EXPRs.
5772         (AGGR_INIT_EXPR): Likewise.
5773
5774 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5775             Brooks Moses  <brooks.moses@codesourcery.com>
5776             Lee Millward  <lee.millward@codesourcery.com>
5777
5778         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5779         (expand_builtin_nonlocal_goto): Change parameter to be entire
5780         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5781         (expand_builtin_prefetch): Likewise.
5782         (expand_builtin_classify_type): Likewise.
5783         (mathfn_built_in): Return NULL_TREE instead of 0.
5784         (expand_errno_check): Use new CALL_EXPR accessors.
5785         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5786         Return NULL_RTX instead of 0.
5787         (expand_builtin_mathfn_2): Likewise.
5788         (expand_builtin_mathfn_3): Likewise.
5789         (expand_builtin_interclass_mathfn): Likewise.
5790         (expand_builtin_sincos): Likewise.
5791         (expand_builtin_cexpi): Likewise.
5792         (expand_builtin_int_roundingfn): Likewise.
5793         (expand_builtin_int_roundingfn_2): Likewise.
5794         (expand_builtin_pow): Likewise.
5795         (expand_builtin_powi): Likewise.
5796         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5797         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5798         accessors and constructors.  Return NULL_RTX instead of 0.
5799         (expand_builtin_strstr): Likewise.
5800         (expand_builtin_strchr): Likewise.
5801         (expand_builtin_strrchr): Likewise.
5802         (expand_builtin_strpbrk): Likewise.
5803         (expand_builtin_memcpy): Likewise.
5804         (expand_builtin_mempcpy): Likewise.
5805         (expand_builtin_mempcpy_args): New.
5806         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5807         (expand_builtin_memmove_args): New.
5808         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5809         (expand_movstr): Likewise.
5810         (expand_builtin_strcpy): Likewise.
5811         (expand_builtin_strcpy_args): New.
5812         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5813         (expand_builtin_strncpy): Likewise.
5814         (expand_builtin_memset): Likewise.
5815         (expand_builtin_memset_args): New.
5816         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5817         (expand_builtin_memcmp): Likewise.
5818         (expand_builtin_strcmp): Likewise.
5819         (expand_builtin_strncmp): Likewise.
5820         (expand_builtin_strcat): Likewise.
5821         (expand_builtin_strncat): Likewise.
5822         (expand_builtin_strspn): Likewise.
5823         (expand_builtin_strcspn): Likewise.
5824         (expand_builtin_args_info): Likewise.
5825         (expand_builtin_va_start): Likewise.
5826         (gimplify_va_arg_expr): Likewise.
5827         (expand_builtin_va_end): Likewise.
5828         (expand_builtin_va_copy): Likewise.
5829         (expand_builtin_frame_address): Likewise.
5830         (expand_builtin_alloca): Likewise.
5831         (expand_builtin_bswap): Likewise.
5832         (expand_builtin_unop): Likewise.
5833         (expand_builtin_fputs): Likewise.
5834         (expand_builtin_expect): Likewise.
5835         (expand_builtin_fabs): Likewise.
5836         (expand_builtin_copysign): Likewise.
5837         (expand_builtin_printf): Likewise.
5838         (expand_builtin_fprintf): Likewise.
5839         (expand_builtin_sprintf): Likewise.
5840         (expand_builtin_init_trampoline): Likewise.
5841         (expand_builtin_signbit): Likewise.
5842         (expand_builtin_fork_or_exec): Likewise.
5843         (expand_builtin_sync_operation): Likewise.
5844         (expand_builtin_compare_and_swap): Likewise.
5845         (expand_builtin_lock_test_and_set): Likewise.
5846         (expand_builtin_lock_release): Likewise.
5847         (expand_builtin): Likewise.
5848         (builtin_mathfn_code): Likewise.
5849
5850         (fold_builtin_constant_p): Pass call arguments individually instead
5851         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5852         accessors and constructors.  Return NULL_TREE instead of 0.
5853         (fold_builtin_expect): Likewise.
5854         (fold_builtin_classify_type): Likewise.
5855         (fold_builtin_strlen): Likewise.
5856         (fold_builtin_nan): Likewise.
5857         (integer_valued_real_p): Likewise.
5858         (fold_trunc_transparent_mathfn): Likewise.
5859         (fold_fixed_mathfn): Likewise.
5860         (fold_builtin_cabs): Likewise.
5861         (fold_builtin_sqrt): Likewise.
5862         (fold_builtin_cbrt): Likewise.
5863         (fold_builtin_cos): Likewise.
5864         (fold_builtin_cosh): Likewise.
5865         (fold_builtin_tan): Likewise.
5866         (fold_builtin_sincos): Likewise.
5867         (fold_builtin_cexp): Likewise.
5868         (fold_builtin_trunc): Likewise.
5869         (fold_builtin_floor): Likewise.
5870         (fold_builtin_ceil): Likewise.
5871         (fold_builtin_round): Likewise.
5872         (fold_builtin_int_roundingfn): Likewise.
5873         (fold_builtin_bitop): Likewise.
5874         (fold_builtin_bswap): Likewise.
5875         (fold_builtin_logarithm): Likewise.
5876         (fold_builtin_hypot): Likewise.
5877         (fold_builtin_pow): Likewise.
5878         (fold_builtin_powi): Likewise.
5879         (fold_builtin_exponent): Likewise.
5880         (fold_builtin_memset): Likewise.
5881         (fold_builtin_bzero): Likewise.
5882         (fold_builtin_memory_op): Likewise.
5883         (fold_builtin_bcopy): Deleted; call site changed to invoke
5884         fold_builtin_memory_op directly.
5885         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5886         (fold_builtin_strncpy): Likewise.
5887         (fold_builtin_memcmp): Likewise.
5888         (fold_builtin_strcmp): Likewise.
5889         (fold_builtin_strncmp): Likewise.
5890         (fold_builtin_signbit): Likewise.
5891         (fold_builtin_copysign): Likewise.
5892         (fold_builtin_isascii): Likewise.
5893         (fold_builtin_toascii): Likewise.
5894         (fold_builtin_isdigit): Likewise.
5895         (fold_builtin_fabs): Likewise.
5896         (fold_builtin_abs): Likewise.
5897         (fold_builtin_fmin_fmax): Likewise.
5898         (fold_builtin_carg): Likewise.
5899         (fold_builtin_classify): Likewise.
5900         (fold_builtin_unordered_cmp): Likewise.
5901
5902         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5903         New functions split out from fold_builtin_1.
5904         (fold_builtin_n): New.
5905         (fold_builtin_varargs): New.
5906         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5907         instead.
5908         (fold_call_expr): New.
5909         (build_function_call_expr): Rewrite to use new helper function.
5910         (fold_builtin_call_list): New.
5911         (build_call_expr): New.
5912         (fold_builtin_call_valist): New.
5913         (rewrite_call_expr): New.
5914         (validate_arg): New.
5915         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5916         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5917         accessors.
5918
5919         (fold_builtin_strstr):  Pass call arguments individually instead
5920         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5921         accessors and constructors.  Return NULL_TREE instead of 0.
5922         (fold_builtin_strchr): Likewise.
5923         (fold_builtin_strrchr): Likewise.
5924         (fold_builtin_strpbrk): Likewise.
5925         (fold_builtin_strcat): Likewise.
5926         (fold_builtin_strncat): Likewise.
5927         (fold_builtin_strspn): Likewise.
5928         (fold_builtin_strcspn): Likewise.
5929         (fold_builtin_fputs): Likewise.
5930         (fold_builtin_next_arg): Likewise.
5931         (fold_builtin_sprintf): Likewise.
5932
5933         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5934         NULL_RTX instead of 0.
5935         (expand_builtin_memory_chk): Likewise.
5936         (maybe_emit_chk_warning): Likewise.
5937         (maybe_emit_sprintf_chk_warning): Likewise.
5938
5939         (fold_builtin_object_size): Pass call arguments individually instead
5940         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5941         accessors and constructors.  Return NULL_TREE instead of 0.
5942         (fold_builtin_memory_chk): Likewise.
5943         (fold_builtin_stxcpy_chk): Likewise.
5944         (fold_builtin_strncpy_chk): Likewise.
5945         (fold_builtin_strcat_chk): Likewise.
5946         (fold_builtin_strcat_chk): Likewise.
5947         (fold_builtin_strncat_chk): Likewise.
5948         (fold_builtin_sprintf_chk): Likewise.
5949         (fold_builtin_snprintf_chk): Likewise.
5950         (fold_builtin_printf): Likewise.
5951         (fold_builtin_vprintf): Likewise.
5952
5953         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5954         constructors.
5955         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5956         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5957         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5958         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5959         (fold_unary): Likewise.
5960         (fold_binary): Likewise.
5961         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5962         ternary expressions.
5963         (fold): Add logic for tcc_vl_exp.
5964         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5965         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5966         (fold_build3_stat): Add assertion to flag broken interface for
5967         constructing CALL_EXPRs.
5968         (fold_build_call_list): New.
5969         (fold_build_call_list_initializer): New.
5970         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5971         constructors.
5972         (fold_strip_sign_ops): Likewise.
5973
5974 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5975             Brooks Moses  <brooks.moses@codesourcery.com>
5976             Lee Millward  <lee.millward@codesourcery.com>
5977
5978         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5979         accessors and dump arguments explicitly.
5980
5981         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5982         TREE_CODE_LENGTH.
5983         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5984         explicitly.
5985         (print_call_name): Use new CALL_EXPR accessors.
5986
5987         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5988         CALL_EXPR arguments explicitly instead of as a list.  Use
5989         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5990
5991         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5992         (vrp_visit_stmt): Likewise.
5993
5994         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5995         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5996         TREE_CODE_LENGTH.
5997         (force_move_till_expr): Likewise.
5998
5999         * targhooks.c (default_external_stack_protect_fail): Use
6000         build_call_expr instead of build_function_call_expr.
6001         (default_hidden_stack_protect_fail): Likewise.
6002
6003         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6004         build the call.
6005
6006         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6007         and walk arguments explicitly.
6008
6009         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6010         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6011         (expand_simple_operations): Likewise.
6012         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6013
6014         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6015         of TREE_CODE_LENGTH.
6016         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6017
6018         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6019         instead of TREE_CODE_LENGTH.
6020
6021         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6022         (tree_ic_transform): Likewise.
6023         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6024         parameter instead of arglist.  Fix callers.
6025         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6026         (tree_stringops_transform): Likewise.
6027         (tree_indirect_call_to_profile): Likewise.
6028         (tree_stringops_values_to_profile): Likewise.
6029
6030         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6031         (eliminate_tail_call): Likewise.
6032
6033         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6034
6035         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6036         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6037         operands.
6038         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6039
6040         * omp-low.c (build_omp_barrier): Use build_call_expr.
6041         (lower_rec_input_clauses): Likewise.
6042         (lower_reduction_clauses): Likewise.
6043         (expand_parallel_call): Likewise.
6044         (maybe_catch_exception): Likewise.
6045         (expand_omp_for_generic): Likewise.
6046         (expand_omp_for_static_nochunk): Likewise.
6047         (expand_omp_sections): Likewise.
6048         (lower_omp_single_simple): Likewise.
6049         (lower_omp_single_copy): Likewise.
6050         (lower_omp_master): Likewise.
6051         (lower_omp_ordered): Likewise.
6052         (lower_omp_critical): Likewise.
6053
6054         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6055         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6056
6057         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6058         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6059         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6060
6061         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6062         and generalize to handle any number of operands.
6063         (chrec_contains_undetermined): Likewise.
6064         (tree_contains_chrecs): Likewise.
6065         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6066
6067         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6068
6069         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6070         fold_call_expr instead of fold_builtin.
6071         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6072         match declarations there.
6073         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6074         updates.
6075
6076         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6077         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6078
6079         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6080         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6081
6082         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6083         accessors.
6084
6085         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6086         (execute_cse_sincos): Use new CALL_EXPR accessors.
6087
6088         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6089
6090         * gimple-low.c (lower_function_body): Use build_call_expr.
6091         (lower_builtin_setjmp): Likewise.
6092
6093         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6094         (set_storage_via_libcall): Likewise.
6095         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6096         instead of TREE_CODE_LENGTH.
6097         (expand_expr_real_1): Use new CALL_EXPR accessors.
6098
6099         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6100         generalize to handle any number of operands.
6101         (TB_parent_eq): Likewise.
6102
6103         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6104         (strip_builtin_expect): Likewise.
6105
6106         * function.c (gimplify_parameters): Use build_call_expr.
6107
6108         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6109         instead of TREE_CODE_LENGTH.
6110
6111         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6112         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6113
6114         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6115         iterators.
6116
6117         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6118         (gimplify_decl_expr): Likewise.
6119         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6120         Use new CALL_EXPR iterators.
6121         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6122         (gimplify_modify_expr_to_memset): Likewise.
6123         (gimplify_variable_sized_compare): Likewise.
6124         (gimplify_omp_atomic_fetch_op): Likewise.
6125         (gimplify_omp_atomic_pipeline): Likewise.
6126         (gimplify_omp_atomic_mutex): Likewise.
6127         (gimplify_function_tree): Likewise.
6128
6129         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6130         (call_expr_flags): Likewise.
6131         (expand_call): Likewise.
6132
6133         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6134         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6135         accessors.
6136
6137         * coverage.c (create_coverage): Use build_call_expr.
6138
6139         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6140         (temp_call_expr_obstack): New.
6141         (pool_copy_list): Delete.
6142         (temp_copy_call_expr): New.
6143         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6144         CALL_EXPR accessors.  Get rid of special goo for copying argument
6145         lists and use temp_copy_call_expr instead.
6146         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6147         CALL_EXPR accessors.
6148         (create_expression_by_pieces): Likewise.  Use build_call_array
6149         to construct the result instead of fold_build3.
6150         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6151         dealing with argument lists.
6152         (init_pre): Remove references to expression_node_pool and
6153         list_node_pool.  Init temp_call_expr_obstack instead.
6154         (fini_pre): Remove references to expression_node_pool and
6155         list_node_pool.
6156
6157         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6158         and walk arguments explicitly instead of as a list.
6159
6160         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6161         (mx_register_decls): Likewise.
6162         (mudflap_register_call): Likewise.
6163         (mudflap_finish_file): Likewise.
6164
6165         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6166         (ipa_callsite_compute_param): Likewise.
6167
6168         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6169         accessors and constructor.
6170
6171         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6172         accessors and constructor.
6173         (convert_tramp_reference): Likewise.
6174         (convert_call_expr): Likewise.
6175         (finalize_nesting_tree_1): Likewise.
6176
6177         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6178         accessors.
6179
6180         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6181
6182         * tree-inline.c (initialize_inlined_parameters): Pass entire
6183         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6184         accessors.
6185         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6186         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6187
6188         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6189         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6190         (vectorizable_reduction): Likewise.
6191         (vectorizable_call): Use new CALL_EXPR iterators.
6192         (vectorizable_conversion): Use build_call_expr.
6193         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6194         (vect_gen_widened_results_half): Use build_call_expr.
6195         (vect_setup_realignment): Likewise.
6196         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6197
6198         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6199         (pass_through_call): Likewise.
6200         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6201         fold_builtin.
6202
6203         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6204         (tree_gen_pow2_profiler): Likewise.
6205         (tree_gen_one_value_profiler): Likewise.
6206         (tree_gen_ic_func_profiler): Likewise.
6207         (tree_gen_average_profiler): Likewise.
6208         (tree_gen_ior_profiler): Likewise.
6209
6210         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6211         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6212         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6213
6214         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6215         of TREE_CODE_LENGTH.
6216
6217         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6218         of TREE_CODE_LENGTH.
6219
6220         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6221         constructor.
6222         (convert_to_integer): Likewise.
6223
6224         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6225         accessors.
6226
6227 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6228             Brooks Moses  <brooks.moses@codesourcery.com>
6229             Lee Millward  <lee.millward@codesourcery.com>
6230
6231         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6232         accessors.
6233         * config/frv/frv.c (frv_expand_builtin): Likewise.
6234         * config/s390/s390.c (s390_expand_builtin): Likewise.
6235
6236         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6237         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6238
6239         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6240         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6241         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6242         (ix86_expand_store_builtin): Likewise.
6243         (ix86_expand_unop_builtin): Likewise.
6244         (ix86_expand_unop1_builtin): Likewise.
6245         (ix86_expand_sse_compare): Likewise.
6246         (ix86_expand_sse_comi): Likewise.
6247         (ix86_expand_vec_init_builtin): Likewise.
6248         (ix86_expand_vec_ext_builtin): Likewise.
6249         (ix86_expand_vec_set_builtin): Likewise.
6250         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6251
6252         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6253         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6254
6255         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6256         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6257         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6258
6259         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6260         build_call_expr.
6261         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6262         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6263         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6264         (altivec_expand_abs_builtin): Likewise.
6265         (rs6000_expand_binop_builtin): Likewise.
6266         (altivec_expand_predicate_builtin): Likewise.
6267         (altivec_expand_lv_builtin): Likewise.
6268         (spe_expand_stv_builtin): Likewise.
6269         (altivec_expand_stv_builtin): Likewise.
6270         (rs6000_expand_ternop_builtin): Likewise.
6271         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6272         (altivec_expand_st_builtin): Likewise.
6273         (altivec_expand_dst_builtin): Likewise.
6274         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6275         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6276         (altivec_expand_vec_set_builtin): Likewise.
6277         (altivec_expand_vec_ext_builtin): Likewise.
6278         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6279         (spe_expand_builtin): Likewise.
6280         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6281         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6282         (spe_expand_evsel_builtin): Likewise.
6283         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6284         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6285
6286         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6287         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6288         (arm_expand_unop_builtin): Likewise.
6289         (arm_expand_builtin): Use new CALL_EXPR accessors.
6290
6291         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6292         accessors.
6293
6294         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6295         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6296         (bfin_expand_unop_builtin): Likewise.
6297         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6298
6299 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6300             Brooks Moses  <brooks.moses@codesourcery.com>
6301             Lee Millward  <lee.millward@codesourcery.com>
6302
6303         * c-semantics.c (build_stmt): Add internal diagnostic check.
6304
6305         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6306         accessors.  Print arguments explicitly instead of as a list.
6307
6308         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6309
6310         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6311         (c_finish_omp_flish): Likewise.
6312
6313         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6314         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6315         instead of TREE_CODE_LENGTH.
6316         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6317         (c_warn_unused_result): Likewise.
6318
6319 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6320
6321         PR c/26494
6322         * doc/invoke.texi (Warning Options): Remove
6323         -Werror-implicit-function-declaration.
6324         (Wimplicit-function-declaration): Update description.
6325         * opts.c (common_handle_option): Move handling of -Werror=* to...
6326         (enable_warning_as_error): ...here.
6327         * opts.h (enable_warning_as_error): Declare.
6328         * c-decl.c (implicit_decl_warning): Unless
6329         -Wno-implicit-function-declaration is given, emit a pedwarn if
6330         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6331         * c.opt (Wimplicit-function-declaration): Replace
6332         mesg_implicit_function_declaration with
6333         warn_implicit_function_declaration.
6334         * c-opts.c (c_common_handle_option):
6335         -Werror-implicit-function-declaration is exactly equal as
6336         -Werror=implicit-function-declaration.
6337         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6338         warn_implicit_function_declaration.
6339         (c_common_post_options): -Wimplict-function-declaration is enabled
6340         by default by -std=c99, otherwise is disabled by default.
6341         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6342
6343 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6344
6345         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6346         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6347         former is ignored but not the latter.
6348
6349 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6350
6351         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6352         is made and the reference doesn't use the alias set of its type,
6353         do not create the temporary using that type.
6354
6355 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6356
6357         * jump.c: Remove prototypes for delete_computation and
6358         delete_prior_computation.
6359
6360 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6361
6362         * jump.c (get_label_after): Delete.
6363         (get_label_before, delete_computation, delete_jump,
6364         delete_prior_computation, follow_jumps): Move...
6365         * reorg.c (delete_computation, delete_prior_computation): ... here...
6366         (get_label_before, delete_jump): ... making these static ...
6367         (follow_jumps): ... and simplifying this since it only runs after
6368         reload.
6369         * rtl.h (get_label_after, get_label_before, delete_jump,
6370         follow_jumps): Delete prototypes.
6371
6372 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6373
6374         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6375
6376 2007-02-15  Nick Clifton  <nickc@redhat.com>
6377
6378         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6379         order to prevent it from being munged by the target.
6380
6381 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6382
6383         * config/i386/i386.md: Remove misleading comment.
6384
6385 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6386
6387         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6388         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6389         invalid patterns.
6390
6391 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6392
6393         * tree-sra.c (instantiate_missing_elements): Canonicalize
6394         bit-field types.
6395         (sra_build_assignment): New.
6396         (generate_copy_inout, generate_element_copy,
6397         generate_element_zero, generate_one_element_init): Use it.
6398
6399 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6400
6401         * tree-sra.c (instantiate_missing_elements): Canonicalize
6402         bit-field types.
6403         (sra_build_assignment): New.
6404         (generate_copy_inout, generate_element_copy,
6405         generate_element_zero, generate_one_element_init): Use it.
6406
6407 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6408
6409         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6410         limbo die nodes.
6411
6412 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6413
6414         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6415         types as aggregates not scalars.
6416         * function.c (assign_stack_temp_for_type): Likewise.
6417
6418 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6419             Zdenek Dvorak  <dvorakz@suse.cz>
6420
6421         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6422         name.
6423
6424 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6425
6426         * passes.c (next_pass_1): Clear the next field of the copied
6427         pass structure.
6428
6429 2007-02-14  Richard Henderson  <rth@redhat.com>
6430
6431         * tree-sra.c (early_sra): New.
6432         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6433         (tree_sra_early, pass_sra_early): New.
6434         * tree-pass.h (pass_sra_early): Declare.
6435         * passes.c (init_optimization_passes): Use it.
6436
6437 2007-02-14  Richard Guenther  <rguenther@suse.de>
6438
6439         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6440
6441 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6442
6443          PR tree-optimization/30771
6444         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6445         also phi nodes.
6446         (vect_analyze_operations): Induction phis can now be marked as
6447         used_in_loop.
6448         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6449         Update documentation accordingly.
6450
6451 2007-02-14  Nick Clifton  <nickc@redhat.com>
6452
6453         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6454         most 3 arguments are supported.
6455         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6456
6457 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6458
6459         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6460         Ensure dst->current is valid.
6461
6462 2007-02-13  Paul Brook  <paul@codesourcery.com>
6463
6464         * config.gcc: Add arm*-*-uclinux-*eabi.
6465         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6466         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6467         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6468         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6469         (LINK_SPEC): Define.
6470         (LIB_SPEC): Define.
6471         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6472         register.
6473         * config/arm/uclinux-eabi.h: New file.
6474         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6475         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6476         based targets.
6477
6478 2007-02-13  Ian Lance Taylor  <iant@google.com>
6479
6480         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6481         * flags.h (warn_strict_overflow): Declare.
6482         (enum warn_strict_overflow_code): Define.
6483         (issue_strict_overflow_warning): New static inline function.
6484         * opts.c (warn_strict_overflow): New variable.
6485         (common_handle_option): Handle OPT_Wstrict_overflow and
6486         OPT_Wstrict_overflow_.
6487         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6488         OPT_Wall.
6489         * fold-const.c: Include intl.h.
6490         (fold_deferring_overflow_warnings): New static variable.
6491         (fold_deferred_overflow_warning): New static variable.
6492         (fold_deferred_overflow_code): New static variable.
6493         (fold_defer_overflow_warnings): New function.
6494         (fold_undefer_overflow_warnings): New function.
6495         (fold_undefer_and_ignore_overflow_warnings): New function.
6496         (fold_deferring_overflow_warnings_p): New function.
6497         (fold_overflow_warning): New static function.
6498         (make_range): Add strict_overflow_p parameter.  Change all
6499         callers.
6500         (extract_muldiv, extract_muldiv_1): Likewise.
6501         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6502         tree_expr_nonnegative_p.
6503         (fold_negate_expr): Call fold_overflow_warning.
6504         (fold_range_test): Likewise.
6505         (fold_comparison): Likewise.
6506         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6507         instead of tree_expr_nonnegative_p.
6508         (tree_expr_nonnegative_warnv_p): Rename from
6509         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6510         (tree_expr_nonnegative_p): New function.
6511         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6512         strict_overflow_p parameter.
6513         (tree_expr_nonzero_p): New function.
6514         * passes.c (verify_interpass_invariants): New static function.
6515         (execute_one_pass): Call it.
6516         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6517         warnings.
6518         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6519         (estimate_numbers_of_iterations): Likewise.
6520         (scev_probably_wraps_p): Likewise.
6521         * tree-ssa-ccp.c: Include "toplev.h".
6522         (evaluate_stmt): Defer fold overflow warnings until we know we are
6523         going to optimize.
6524         (struct fold_stmt_r_data): Add stmt field.
6525         (fold_stmt_r): Defer fold overflow warnings until we know we
6526         optimized.
6527         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6528         (fold_stmt_inplace): Likewise.
6529         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6530         (cleanup_control_expr_graph): Defer fold overflow warnings until
6531         we know we are going to optimize.
6532         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6533         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6534         Likewise.
6535         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6536         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6537         * tree-ssa-loop-manip.c (create_iv): Likewise.
6538         * c-typeck.c (build_conditional_expr): Likewise.
6539         (build_binary_op): Likewise.
6540         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6541         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6542         (extract_range_from_unary_expr): Likewise.
6543         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6544         assuming that signed overflow does not occur.
6545         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6546         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6547         (fold_defer_overflow_warnings): Declare.
6548         (fold_undefer_overflow_warnings): Declare.
6549         (fold_undefer_and_ignore_overflow_warnings): Declare.
6550         (fold_deferring_overflow_warnings_p): Declare.
6551         (tree_expr_nonzero_warnv_p): Declare.
6552         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6553         of warning options.
6554         (Warning Options): Document -Wstrict-overflow.
6555         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6556         (tree-ssa-ccp.o): Likewise.
6557         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6558         (fold-const.o): Depend on intl.h.
6559
6560 2007-02-13  Ian Lance Taylor  <iant@google.com>
6561
6562         PR middle-end/30751
6563         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6564         addresses.
6565
6566 2007-02-13  Stuart Hastings  <stuart@apple.com>
6567
6568         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6569
6570 2007-02-13  Richard Henderson  <rth@redhat.com>
6571
6572         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6573         handled_component_p before looking for the indirect_ref.
6574
6575 2007-02-13  Richard Henderson  <rth@redhat.com>
6576
6577         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6578         remove flags clobber.
6579         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6580         (bswaphi_lowpart): New.
6581         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6582         remove TARGET_BSWAP test.  Delete expander of the same name.
6583
6584         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6585         (expand_unop): Use them.
6586
6587 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6588
6589         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6590         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6591         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6592         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6593         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6594         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6595         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6596         assembler dialect choice from asm templates.
6597
6598 2007-02-12  Richard Henderson  <rth@redhat.com>
6599
6600         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6601         (fixuns_trunc<SSEMODEF>si2): Use it.
6602         * config/i386/sse.md (vec_setv4sf_0): Export.
6603         * config/i386/i386.c (ix86_build_const_vector): Export.
6604         (ix86_split_convert_uns_si_sse): Rename from
6605         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6606         * config/i386/i386-protos.h: Update.
6607
6608 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6609
6610         PR c/29521
6611         * c-typeck.c (c_finish_return): Improve warning message.
6612
6613 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6614
6615         * alias.c (find_symbolic_term): Delete unused function.
6616
6617 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6618
6619         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6620         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6621         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6622
6623 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6624
6625         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6626         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6627         the function, temporarily point the debug interface to the null one.
6628
6629 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6630
6631         * dwarf2out.c (round_up_to_align): New static function.
6632         (field_byte_offset): Use it to round the offset.
6633
6634 2007-02-12  Richard Henderson  <rth@redhat.com>
6635
6636         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6637         (inswl_const): Export.
6638
6639 2007-02-12  Richard Henderson  <rth@redhat.com>
6640
6641         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6642         result mode of the libcall, convert back to outmode.
6643
6644 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6645
6646         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6647         (bswapdi2): New define_expand to implement 32-bit implementation.
6648
6649 2007-02-12  Nick Clifton  <nickc@redhat.com>
6650
6651         * doc/invoke.texi (Overall Options): Document --help=.
6652         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6653         (cc1_options): Pass --help= on to cc1.
6654         (display_help): Add description of --help=.
6655         (process_command): Add code to handle --help=.  Allow translated
6656         --help and --target-help switches to be passed on to compiler
6657         sub-process.
6658         (main): Remove unused if statement.
6659         * opts.c (columns): Remove.
6660         (LEFT_COLUMN): Define.
6661         (wrap_help): Add columns argument.
6662         (print_filtered_help): Change parameters to be an include bitmask,
6663         an exclude bitmask, an any bitmask and the column width.  Move the
6664         code to display the params list here.  Add code to display the
6665         status of options rather than their descriptions if the quiet flag
6666         is not active.
6667         (print_specific_help): Change parameters to be an include bitmask,
6668         an exclude bitmask and an any bitmask.  Move code to look up the
6669         column width here.  Decide upon the title for an options listing.
6670         (common_handle_options): Add code to handle --help=.  Adapt code
6671         for --help and --target-help to use the revised form of the
6672         print_specific_help function.
6673         (print_help): Delete.
6674         (print_param_help): Delete.
6675         (print_switch): Delete.
6676         * opts.h (cl_lang_count): Add prototype.
6677         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6678         CL_MAX_OPTION_CLASS): New defines.
6679         * optc-gen.awk: Add construction of cl_lang_count.
6680         * c.opt: Add Warning attribute to warning options and Optimization
6681         attribute to optimization options.
6682         * common.opt: Likewise.
6683         Add --help=.
6684         Add -fhelp and -ftarget-help as aliases for the transformed --help
6685         and --target-help options.
6686         * opt-functions.awk: Add code to handle Warning and Optimization
6687         attributes.
6688
6689 2007-02-12  Richard Henderson  <rth@redhat.com>
6690
6691         * config/alpha/constraints.md: New file.
6692         * config/alpha/alpha.c: Include tm-constrs.h.
6693         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6694         alpha_extra_constraint): Remove.
6695         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6696         * config/alpha/alpha-protos.h: Update.
6697         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6698         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6699         (EXTRA_CONSTRAINT): Remove.
6700         * config/alpha/alpha.md: Include constraints.md.
6701         (adddi splitter): Use satisfies_constraint_*.
6702         * config/alpha/predicates.md (add_operand): Likewise.
6703         (sext_add_operand, addition_operation): Likewise.
6704
6705 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6706
6707         PR tree-optimization/29145
6708         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6709         in our handling of restrict qualified pointers.
6710
6711 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6712
6713         PR middle-end/7651
6714         * doc/invoke.texi (Wunused-value): Update description.
6715         (Wextra): Delete item.
6716         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6717         value of Wunused-value.
6718         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6719         (c_finish_stmt_expr): Don't check extra_warnings.
6720         (emit_side_effect_warnings): The caller is responsible to check
6721         warn_unused_value.
6722
6723 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6724             Matt Thomas  <matt@3am-software.com>
6725
6726         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6727
6728 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6729
6730         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6731         comparisons of POPCOUNT against zero.
6732         (simplify_const_relational_operation): Likewise.
6733
6734 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6735
6736         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6737
6738 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6739
6740         * dwarf2out.c (root_type): Delete unused function.
6741
6742 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6743
6744         * genattrtab.c (contained_in_p): Delete unused function.
6745         (write_expr_attr_cache): Likewise.
6746
6747 2007-02-11  Jan Hubicka  <jh@suse.cz>
6748
6749         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6750         previous patch.
6751
6752 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6753
6754         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6755         to add the REG_EQ* note.
6756         * see.c (see_merge_one_use_extension): Likewise.
6757         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6758         turn REG_EQUAL notes into REG_EQUIV notes if the target
6759         register may have more than one set.
6760         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6761         * gcse.c (try_replace_reg): Likewise.
6762         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6763         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6764         more than one REG_EQUIV note.
6765         * reload1.c (gen_reload): Use set_unique_reg_note.
6766
6767 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6768
6769         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6770         (ix86_builtin_conversion): New function.
6771
6772 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6773
6774         PR target/29487
6775         * tree.h (DECL_REPLACEABLE_P): New macro.
6776         * except.c (set_nothrow_function_flags): Likewise.
6777
6778 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6779             Ira Rosen  <irar@il.ibm.com>
6780             Dorit Nuzman  <dorit@il.ibm.com>
6781
6782         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6783         * targhooks.c (default_builtin_vectorized_conversion): New.
6784         * targhooks.h (default_builtin_vectorized_function): New declaration.
6785         * target.h (struct vectorize): Add builtin_conversion field.
6786         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6787         stmt_vec_info_type value.
6788         (vectorizable_conversion): New declaration.
6789         * tree-vect-analyze.c (vect_analyze_operations): Add
6790         vectorizable_conversion call.
6791         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6792         * tree-vect-transform.c (vectorizable_conversion): New function.
6793         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6794         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6795         mode.
6796         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6797         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6798         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6799         or ALTIVEC_BUILTIN_VCFSX.
6800
6801 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6802
6803         PR target/30634
6804         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6805         CONST_DOUBLE and operand 0 is a hard register.
6806         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6807         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6808         is a hard floating-point register.
6809
6810 2007-02-10  Richard Henderson  <rth@redhat.com>
6811             Jakub Jelinek  <jakub@redhat.com>
6812             Alexandre Oliva  <aoliva@redhat.com>
6813
6814         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6815         * builtin-types.def (BT_WORD): Make unsigned.
6816         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6817         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6818         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6819         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6820         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6821         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6822         emulated tls.
6823         * expr.c (emutls_var_address): New.
6824         (expand_expr_real_1): Expand emulated tls.
6825         (expand_expr_addr_expr_1): Likewise.
6826         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6827         * output.h (emutls_finish): Declare.
6828         * toplev.c (compile_file): Call it.
6829         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6830         address before wrapping in CONST.
6831         * varasm.c (emutls_htab, emutls_object_type): New.
6832         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6833         (get_emutls_object_name, get_emutls_object_type): New.
6834         (get_emutls_init_templ_addr, emutls_decl): New.
6835         (emutls_common_1, emutls_finish): New.
6836         (assemble_variable): When emulating tls, swap decls; generate
6837         constructor for the emutls objects.
6838         (do_assemble_alias): When emulating tls, swap decl and target name.
6839         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6840         for emulated tls.
6841         * varpool.c (decide_is_variable_needed): Look at force_output.
6842         Recurse for emulated tls.
6843         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6844         with decide_is_variable_needed.
6845         * emutls.c: New file.
6846         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6847         tls_object for real tls.
6848
6849 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6850
6851         PR rtl-optimization/29599
6852         * reload1.c (eliminate_regs_in_insn): Take the destination
6853         mode into account when computing the offset.
6854
6855 2007-02-09  Stuart Hastings  <stuart@apple.com>
6856             Richard Henderson  <rth@redhat.com>
6857
6858         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6859         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6860         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6861         fixuns_truncdfhi2): New.
6862         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6863         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6864         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6865         (floatunssidf2): Allow nonimmediate source.
6866         * config/i386/sse.md (movdi_to_sse): New.
6867         (vec_concatv2di): Drop '*'.
6868         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6869         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6870         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6871         New.
6872         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6873         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6874         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6875         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6876         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6877         ix86_build_const_vector.
6878         (x86_emit_floatuns): Rewrite.
6879
6880 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6881
6882         * genautomata.c (longest_path_length): Delete unused function.
6883         (struct state): Delete unused longest_path_length.
6884         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6885         (get_free_state): Delete unused.
6886
6887 2007-02-09  Jan Hubicka  <jh@suse.cz>
6888
6889         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6890         * doc/invoke.texi (inline-unit-growth): Update default value.
6891
6892         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6893         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6894         (rebuild_cgraph_edges): Likewise.
6895         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6896         (dump_cgraph_node): Dump frequencies.
6897         (cgraph_clone_edge): Add frequency scales.
6898         (cgraph_clone_node): Add freuqnecy.
6899         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6900         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6901         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6902         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6903         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6904         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6905         (save_inline_function_body): Likewise.
6906         * ipa-inline.c: inluce rtl.h
6907         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6908         (cgraph_edge_badness): Use frequencies.
6909         (cgraph_decide_recursive_inlining): Update clonning.
6910         (cgraph_decide_inlining_of_small_function): Dump frequency.
6911         * predict.c (estimate_bb_frequencies): Export.
6912         * predict.h (estimate_bb_frequencies): Declare.
6913         * tree-inline.c (copy_bb): Watch overflows.
6914         (expand_call_inline): Update call of cgraph_create_edge.
6915         (optimize_inline_calls): Use TODO flags to update frequnecies.
6916         * passes.h: Include predict.h
6917         (init_optimization_passes): Move profile ahead.
6918         (execute_function_todo): Handle TODO_rebuild_frequencies.
6919
6920 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6921
6922         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6923         the insbl or inswl pattern into a register.
6924
6925 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6926
6927         * config/ia64/ia64.md (bswapdi2): New define_insn.
6928
6929 2007-02-09  Richard Henderson  <rth@redhat.com>
6930
6931         * config/i386/constraints.md (Ym): New constraint.
6932         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6933         (movdi_1_rex64): Split sse and xmm general register moves from
6934         memory move alternatives.  Use conditional register constraints.
6935         (movsf_1, movdf_integer): Likewise.
6936         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6937         (movdf_integer_rex64): New.
6938         (pushsf_rex64): Fix output constraints.
6939         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6940         (sse2_stored): Likewise.
6941         (sse2_storeq_rex64): New.
6942         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6943         amd and not generic.
6944         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6945         for optimize_size.  Remove SF/DFmode hack.
6946
6947 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6948
6949         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6950         (bit_SSE4a): New.
6951
6952 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6953             Richard Sandiford  <richard@codesourcery.com>
6954
6955         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6956         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6957         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6958         m68k/t-mlib to tmake_file.
6959         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6960         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6961         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6962         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6963         variable is not empty, add t-$m68k_arch_family to tmake_file.
6964         Add t-mlibs to tmake_file.
6965         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6966         * config/m68k/t-cf: New file.
6967         * config/m68k/t-m68k: Likewise.
6968         * config/m68k/t-mlibs: Likewise.
6969         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6970         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6971         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6972         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6973         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6974         Delete.
6975         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6976         (INSTALL_LIBGCC): Delete.
6977         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6978         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6979         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6980         (M68K_MLIB_CPU): Define.
6981         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6982         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6983         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6984
6985 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6986             Richard Guenther  <rguenther@suse.de>
6987
6988         PR middle-end/23361
6989         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6990         against INT_MIN/INT_MAX.
6991         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6992         file if a loop is removed.
6993
6994 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6995
6996         * calls.c (store_one_arg): Pass correct alignment to
6997         emit_push_insn for non-BLKmode values.
6998         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6999         unaligned stack slot via a suitably aligned slot.
7000
7001 2007-02-08  DJ Delorie  <dj@redhat.com>
7002
7003         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7004         warnings.
7005         (legal_subregs): Use unsigned char, make const.
7006         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7007
7008 2007-02-08  Paul Brook  <paul@codesourcery.com>
7009
7010         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7011         special interworking needed.
7012
7013 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7014
7015         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7016         conditional to __SSE2__.
7017         (Entries below should have been added to first ChangeLog
7018         entry for amdfam10 dated 2007-02-05)
7019         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7020         defined.
7021         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7022         defined.
7023         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7024         defined.
7025
7026 2007-02-08  DJ Delorie  <dj@redhat.com>
7027
7028         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7029         * config/m32c/m32c.c (legal_subregs): New.
7030         (m32c_illegal_subreg_p): New.
7031         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7032         unsupported subregs of hard regs.
7033
7034 2007-02-08  Jan Hubicka  <jh@suse.cz>
7035
7036         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7037         the same one; always update histograms.
7038
7039 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7040
7041         * passes.c (init_optimization_passes): Tidy comment.
7042
7043 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7044
7045         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7046         strip zero_extend, bswap and rotates from POCOUNT's argument.
7047         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7048         zero_extend and rotates from PARITY's argument.
7049         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7050         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7051         of an integer constant at compile-time.
7052
7053 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7054
7055         PR 30562
7056         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7057         Update all users.
7058         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7059         users.
7060         (init_alias_info):
7061         * tree-ssa-live.c (remove_unused_locals): Do not remove
7062         TREE_ADDRESSABLE variables.
7063         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7064         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7065         FOR_CLOBBER.  Update all users.
7066         If VAR has an associated alias set, add a virtual operand for
7067         it if no alias is found to conflict with the memory reference.
7068
7069 2007-02-07  Jan Hubicka  <jh@suse.cz>
7070             Robert Kidd <rkidd@crhc.uiuc.edu>
7071
7072         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7073
7074 2007-02-07  Ian Lance Taylor  <iant@google.com>
7075
7076         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7077
7078 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7079
7080         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7081         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7082         tablejumpdi, movsi_to_cr_one): Remove constraints from
7083         define_expand's match_operands.
7084
7085 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7086
7087         * global.c (compute_regsets): Move declatation of "i" inside of
7088         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7089
7090 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7091
7092         PR c++/30703
7093         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7094         of INDIRECT_REF <RESULT_DECL>.
7095
7096         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7097
7098 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7099             Kaz Kojima  <kkojima@gcc.gnu.org>
7100
7101         PR target/29746
7102         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7103         properly.
7104         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7105
7106 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7107
7108         * doc/loop.texi: Document possibility not to perform disambiguation
7109         of loops with multiple latches.
7110         * cfgloopmanip.c (alp_enum_p): Removed.
7111         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7112         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7113         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7114         the new forwarder block.
7115         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7116         Handle the case latch is NULL.
7117         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7118         when marking loop exits.
7119         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7120         be modified.
7121         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7122         disambiguate_loops_with_multiple_latches.
7123         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7124         before fix_loop_structure.
7125         * cfgloop.c: Include pointer-set.h and output.h.
7126         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7127         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7128         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7129         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7130         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7131         disambiguate_multiple_latches, get_loop_body_with_size,
7132         disambiguate_loops_with_multiple_latches): New functions.
7133         (flow_loop_dump): Dump multiple latch edges.
7134         (flow_loop_nodes_find): Handle loops with multiple latches.
7135         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7136         (glb_enum_p): Modified.
7137         (get_loop_body): Use get_loop_body_with_size.
7138         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7139         (AVOID_CFG_MODIFICATIONS): New constant.
7140         (disambiguate_loops_with_multiple_latches, add_loop,
7141         get_loop_body_with_size): Declare.
7142         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7143
7144 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7145
7146         PR inline-asm/28686
7147         * global.c (compute_regsets): New function.
7148         (global_alloc): Refactored ELIMINABLE_REGSET
7149         and NO_GLOBAL_ALLOC_REGS computation out.
7150         (rest_of_handle_global_alloc): Call compute_regsets()
7151         for non-optimizing case.
7152
7153 2007-02-06  Richard Henderson  <rth@redhat.com>
7154
7155         * config/i386/constraints.md (Y2): Rename from Y.
7156         (Yi): New constraint.
7157         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7158         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7159         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7160         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7161         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7162         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7163         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7164         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7165         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7166         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7167         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7168         vec_extractv2si_1): Change Y constraints to Y2.
7169         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7170         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7171         Change Y constraints to Y2.
7172         (sse2_loadld): Change Y constraints to x.
7173
7174 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7175
7176         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7177         (parity<mode>2): New define_expand using rs6000_emit_parity.
7178         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7179         rs6000_emit_parity): New functions.
7180         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7181         rs6000_emit_parity): Prototype here.
7182
7183 2007-02-06  Ian Lance Taylor  <iant@google.com>
7184
7185         * lower-subreg.c (simple_move_operand): Reject CONST.
7186         (resolve_clobber): Call validate_change rather than directly
7187         assigning to XEXP (pat, 0).
7188
7189 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7190
7191         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7192         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7193         (tree-cfg.o): Remove hashtab.h dependency.
7194
7195         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7196         (struct ivopts_data): Change niters to pointer_map_t.
7197         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7198         (niter_for_exit): Create pointer_map on demand.  Change for
7199         pointer_map API.
7200         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7201         (free_loop_data): Destroy data->niters if created and reset field.
7202         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7203         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7204
7205         * tree-ssa-reassoc.c: Include pointer-set.h.
7206         (bb_rank): Change to long *.
7207         (operand_rank): Change to pointer_map_t.
7208         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7209         (insert_operand_rank): Accept long.
7210         (operand_entry_hash, operand_entry_eq): Remove.
7211         (get_rank): Return long.  Adjust for changes above.
7212         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7213         and operand_rank.
7214         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7215
7216         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7217         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7218         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7219         is not NULL.
7220         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7221         directly since it cannot be NULL.
7222         (get_vi_for_tree): Rewrite for pointer_map API.
7223         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7224         (init_alias_vars): Create vi_for_tree as pointer_map.
7225         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7226
7227         * tree-cfg.c: Don't include hashtab.h.
7228         (edge_to_cases): Declare as pointer_map.
7229         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7230         Delete.
7231         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7232         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7233         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7234         destroying it.
7235         (record_switch_edge): Delete.
7236         (get_cases_for_edge): Adjust for pointer_map API, inline
7237         record_switch_edge (rewritten for new API), remove goto.
7238
7239 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7240
7241         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7242         * tree-nested.c: Include pointer-set.h.
7243         (var_map_elt, var_map_eq, var_map_hash): Delete.
7244         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7245         to pointer_map_t's.
7246         (nesting_info_bitmap_obstack): New.
7247         (lookup_field_for_decl): Adjust for pointer_map API.
7248         (lookup_tramp_for_decl): Adjust for pointer_map API.
7249         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7250         (get_local_debug_decl): Adjust for pointer_map API.
7251         (convert_nl_goto_reference): Adjust for pointer_map API.
7252         (convert_nl_goto_receiver): Adjust for pointer_map API.
7253         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7254         the new obstack.  Create field_map and var_map as pointer_maps.
7255         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7256         (root): Delete.
7257         (lower_nested_functions): Move root here, no need to NULL it.
7258         Initialize and release the obstack.
7259
7260 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7261
7262         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7263         Remove prototypes and make them non-static.
7264         (struct tree_int_map): Remove.
7265         * tree.h (struct tree_int_map): Move here, turning TO into an
7266         unsigned int.
7267         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7268
7269         * tree.h (TREE_COMPLEXITY): Remove.
7270         (struct tree_exp): Remove complexity field.
7271         * tree.c (build1_stat): Don't set it.
7272
7273 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7274             Victor Kaplansky  <victork@il.ibm.com>
7275
7276         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7277         (vect_is_simple_reduction): Support reduction with induction as
7278         one of the operands.
7279         (vect_is_simple_iv_evolution): Fix formatting.
7280         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7281         formatting.  Don't mark induction phis for vectorization.
7282         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7283         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7284         (vect_get_vec_def_for_operand): Support induction.
7285         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7286         induction case.
7287         (vectorizable_reduction): Support reduction with induction as one of
7288         the operands.
7289         (vectorizable_type_demotion): Use def-type of stmt argument rather
7290         than dummy def-type.
7291
7292         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7293         flag_tree_scev_cprop.
7294         * common.opt (tree-scev-cprop): New flag.
7295
7296         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7297         call to vect_get_new_vect_var.
7298
7299 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7300
7301         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7302         vectype is not NULL.
7303         (vect_pattern_recog_1): Likewise.
7304
7305 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7306
7307         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7308         (fold_negate_expr): Likewise.
7309
7310 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7311
7312         PR debug/30189
7313         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7314         even if cv-qualification is the same.
7315
7316 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7317
7318         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7319         __enable_execute_stack on completion.
7320
7321 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7322
7323         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7324         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7325         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7326         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7327         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7328         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7329         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7330         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7331
7332 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7333
7334         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7335         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7336         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7337         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7338         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7339         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7340         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7341         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7342         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7343         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7344         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7345         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7346         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7347         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7348         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7349         sqrtextenddfxf2_i387): Added amdfam10_decode.
7350
7351         * config/i386/athlon.md (athlon_idirect_amdfam10,
7352         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7353         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7354         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7355         athlon_ivector_store_amdfam10): New define_insn_reservation.
7356         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7357         amdfam10.
7358
7359 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7360
7361         * config/i386/athlon.md (athlon_call_amdfam10,
7362         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7363         define_insn_reservation.
7364         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7365         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7366         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7367
7368 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7369
7370         * config/i386/athlon.md (athlon_sseld_amdfam10,
7371         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7372         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7373
7374 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7375
7376         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7377         define_insn_reservation.
7378         * config/i386/i386.md (sseins): Added sseins to define_attr type
7379         and define_attr unit.
7380         * config/i386/sse.md: Set type attribute to sseins for insertq
7381         and insertqi.
7382
7383 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7384
7385         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7386         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7387         ssecomi_load_amdfam10, ssecomi_amdfam10,
7388         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7389         define_insn_reservation.
7390         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7391
7392 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7393
7394         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7395         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7396         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7397         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7398         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7399         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7400         define_insn_reservation.
7401
7402         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7403         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7404         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7405         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7406         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7407
7408 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7409
7410         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7411         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7412         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7413         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7414         athlon_ssemul_load_k8): Added amdfam10.
7415
7416 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7417
7418         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7419         (x86_sse_unaligned_move_optimal): New variable.
7420
7421         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7422         m_AMDFAM10.
7423         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7424         for unaligned vector SSE double/single precision loads for AMDFAM10.
7425
7426 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7427
7428         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7429         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7430         Define TARGET_CPU_DEFAULT_amdfam10.
7431         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7432         (processor_type): Add PROCESSOR_AMDFAM10.
7433
7434         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7435         processor_type in config/i386/i386.h.
7436         Enable imul peepholes for TARGET_AMDFAM10.
7437
7438         * config.gcc: Add support for --with-cpu option for amdfam10.
7439
7440         * config/i386/i386.c (amdfam10_cost): New variable.
7441         (m_AMDFAM10): New macro.
7442         (m_ATHLON_K8_AMDFAM10): New macro.
7443         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7444         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7445         x86_promote_QImode, x86_integer_DFmode_moves,
7446         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7447         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7448         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7449         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7450         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7451         Enable/disable for amdfam10.
7452         (override_options): Add amdfam10_cost to processor_target_table.
7453         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7454         processor_alias_table.
7455         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7456         (ix86_adjust_cost): Add code for amdfam10.
7457
7458 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7459
7460         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7461         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7462         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7463         * config/i386/i386.h: Add builtin definition for SSE4A.
7464         * config/i386/i386.md: Add support for ABM instructions
7465         (popcnt and lzcnt).
7466         * config/i386/sse.md: Add support for SSE4A instructions
7467         (movntss, movntsd, extrq, insertq).
7468         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7469         Add -march=amdfam10 flag.
7470         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7471         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7472         and amdfam10.
7473         * doc/extend.texi: Add documentation for SSE4A builtins.
7474
7475 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7476
7477         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7478
7479 2007-02-05  Richard Guenther  <rguenther@suse.de>
7480
7481         * tree-vectorizer.h (vectorizable_function): Add argument type
7482         argument, change return type.
7483         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7484         * tree-vect-transform.c (vectorizable_function): Handle extra
7485         argument, return vectorized function decl.
7486         (build_vectorized_function_call): Remove.
7487         (vectorizable_call): Handle calls with result and argument types
7488         differing.  Handle loop vectorization factor correctly.
7489         * targhooks.c (default_builtin_vectorized_function): Adjust for
7490         extra argument.
7491         * targhooks.h (default_builtin_vectorized_function): Likewise.
7492         * target.h (builtin_vectorized_function): Add argument type
7493         argument.
7494         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7495         extra argument, allow vectorizing of lrintf.
7496         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7497         documentation of target hook.
7498
7499 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7500
7501         PR target/30665
7502         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7503         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7504         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7505
7506 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7507
7508         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7509         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7510         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7511         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7512         before canonicalizing sincos to cexpi.
7513         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7514
7515 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7516
7517         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7518         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7519         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7520
7521 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7522
7523         * mips-tfile.c (initialize_init_file): Correct endianness test.
7524
7525 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7526
7527         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7528         the 'y' constraint.
7529
7530 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7531
7532         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7533         saves in a PARALLEL before the register assignments.
7534
7535 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7536
7537         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7538         DWARF_FRAME_RETURN_COLUMN to be a general register.
7539         * dwarf2out.c (init_return_column_size): New function, split from...
7540         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7541         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7542         to be nongeneral registers.
7543         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7544         integer registers.
7545         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7546         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7547
7548 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7549
7550         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7551
7552 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7553
7554         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7555         (remove_path): Use can_remove_branch_p and remove_branch instead
7556         of loop_delete_branch_edge.
7557         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7558         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7559         Update profile using scale_dominated_blocks_in_loop.
7560         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7561         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7562         (can_remove_branch_p, remove_branch): Declare.
7563         * tree-cfg.c (tree_can_remove_branch_p): New function.
7564         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7565         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7566         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7567
7568 2007-02-05  Jan Hubicka  <jh@suse.cz>
7569
7570         PR middle-end/30696
7571         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7572         nodes in cgraph, don't remove offline copy of the function.
7573
7574 2007-02-04  Jan Hubicka  <jh@suse.cz>
7575
7576         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7577         vectors might cause maybe_lookup_element_for_expr to be called
7578         on non-sra-candidate.
7579
7580 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7581
7582         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7583         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7584         spelling conventions.
7585
7586 2007-02-04  Richard Guenther  <rguenther@suse.de>
7587
7588         PR middle-end/30636
7589         * fold-const.c (try_move_mult_to_index): Make sure to not
7590         overflow one dimension of a multi-dimensional array access.
7591
7592 2007-02-04  Jan Hubicka  <jh@suse.cz>
7593
7594         * passes.c (init_optimization_passes): Reindent.
7595
7596 2007-02-04  Jan Hubicka  <jh@suse.cz>
7597             Eric Botcazou  <ebotcazou@adacore.com>
7598
7599         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7600         (execute_fixup_cfg): Break out the abnormal goto code.
7601         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7602         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7603         (optimize_inline_calls): Call make_nonlocal_label_edges.
7604
7605 2007-02-04  Jan Hubicka  <jh@suse.cz>
7606
7607         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7608         true when something was changed.
7609         (rename_ssa_copies): When something was changed, do
7610         TODO_remove_unused_locals.
7611         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7612         add TODO_remove_unused_locals when instruction was removed.
7613
7614 2007-02-04  Jan Hubicka  <jh@suse.cz>
7615
7616         * ipa-inline.c (try_inline): Improve debug output; work on already
7617         inline edges too.
7618         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7619         call try_inline for already inlined edges too when flattening;
7620         inline also functions that make callee growth but overall unit size
7621         reduce.
7622
7623 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7624
7625         * config/m32c/bitops.md, config/m32c/jump.md,
7626         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7627         config/m32r/m32r.h, config/m32r/m32r.md,
7628         config/m32r/predicates.md, config/m68hc11/larith.asm,
7629         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7630         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7631         config/mips/mips-protos.h, config/mips/mips.c,
7632         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7633         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7634         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7635         spelling conventions.
7636
7637         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7638         Follow spelling conventions.
7639
7640 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7641
7642         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7643         warn about C++0x compatibility.
7644
7645 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7646
7647         * config/h8300/h8300.c, config/h8300/h8300.h,
7648         config/h8300/h8300.md: Follow spelling conventions.
7649
7650 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7651
7652         PR middle-end/30667
7653         * combine.c (try_combine): Do not substitute source operand
7654         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7655
7656 2007-02-03  Jan Hubicka  <jh@suse.cz>
7657
7658         PR gcov-profile/30650
7659         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7660         do not divide by zero for never executed counters.
7661         (tree_find_values_to_profile): Fix counters.
7662         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7663
7664 2007-02-03  Ian Lance Taylor  <iant@google.com>
7665
7666         * lower-subreg.c (simple_move_operand): New static function,
7667         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7668         operands.
7669         (simple_move): Call simple_move_operand.
7670         (find_decomposable_subregs): Add special handling of MEMs.
7671         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7672         meaning of return value.  If we see a hard register, test whether
7673         it can store a word_mode value.  Change all callers.
7674
7675 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7676
7677         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7678         ftrapv insns and expanders.
7679         (subdi3): Change define_expand operand 1 to arith11_operand, and
7680         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7681         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7682         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7683         respectively.
7684
7685         PR middle-end/30174
7686         * varasm.c (notice_global_symbol): Treat global objects as weak when
7687         flag_shlib is true.
7688
7689 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7690
7691         * emit-rtl.c (dconstpi): Delete.
7692         (dconstsqrt2): New.
7693         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7694         * real.h (dconstpi): Delete.
7695         (dconstsqrt2): New.
7696         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7697         (fold_builtin_hypot): Likewise.
7698
7699 2007-02-03  Tom Tromey  <tromey@redhat.com>
7700
7701         PR driver/30246
7702         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7703         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7704
7705 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7706
7707         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7708         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7709         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7710         config/rs6000/cell.md, config/rs6000/darwin.h,
7711         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7712         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7713         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7714         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7715         typos.  Follow spelling conventions.
7716         * doc/invoke.texi: Follow spelling conventions.
7717
7718 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7719
7720         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7721         canonicalization transformations that attempt to simplify integer
7722         constant comparisons to become comparisons against zero.
7723
7724 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7725
7726         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7727         fabs(x)*sqrt(2).
7728         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7729         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7730
7731 2007-02-02  Mike Stump  <mrs@apple.com>
7732
7733         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7734         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7735         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7736         generate a branch island.
7737
7738 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7739
7740         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7741         (xtensa_legitimate_address_p): New.
7742         (xtensa_legitimize_address): New.
7743         (xtensa_output_addr_const_extra): New.
7744         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7745         (BASE_REG_P): New.
7746         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7747         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7748         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7749         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7750         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7751         (xtensa_legitimize_address): New.
7752         (xtensa_output_addr_const_extra): New.
7753
7754 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7755
7756         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7757
7758 2007-02-02  Ian Lance Taylor  <iant@google.com>
7759
7760         * expmed.c (expand_divmod): Add comment.
7761
7762 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7763
7764         * emit-rtl.c (renumber_insns): Remove.
7765         * flags.h: Remove the extern for flag_renumber_insns.
7766         * rtl.h: Remove the prototype for renumber_insns.
7767         * toplev.c (flag_renumber_insns): Remove.
7768
7769 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7770
7771         Revert for x86 darwin:
7772         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7773
7774         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7775         code before the following patch under TARGET_MACHO.
7776         (ix86_function_value_regno_p): Likewise.
7777
7778 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7779
7780         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7781         COMPLEX_EXPR.
7782
7783 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7784
7785         PR target/29682
7786         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7787         general or fp registers.  Add comments.
7788         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7789
7790 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7791
7792         * pointer-set.c (insert_aux): Only return insertion slot.
7793         (pointer_set_insert): Adjust.
7794         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7795         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7796         pointer_map_traverse): New.
7797         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7798         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7799         pointer_map_contains, pointer_map_traverse): Declare.
7800
7801 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7802
7803         PR middle-end/30473
7804         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7805         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7806
7807 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7808
7809         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7810
7811         (struct _dep): New type.
7812         (dep_t): New typedef.
7813         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7814         (DEP_STATUS): New access macro.  The macro with the same name was
7815         renamed to DEP_LINK_STATUS.
7816         (dep_init): Declare function
7817
7818         (struct _dep_link): New type.
7819         (dep_link_t): New typedef.
7820         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7821         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7822         (DEP_LINK_STATUS): New macro.
7823         (debug_dep_links): New debug function.
7824
7825         (struct _deps_list): New type.
7826         (deps_list_t): New typedef.
7827         (DEPS_LIST_FIRST): New access macro.
7828         (FOR_EACH_DEP_LINK): New cycle macro.
7829         (create_deps_list, free_deps_list, delete_deps_list): Declare
7830         functions.
7831         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7832         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7833         (copy_deps_list_change_con): Ditto.
7834
7835         (move_dep_link): Declare function.
7836
7837         (struct _dep_node): New type.
7838         (dep_node_t): New typedef.
7839         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7840
7841         (struct haifa_insn_data.back_deps): New field to hold backward
7842         dependencies of the insn.
7843         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7844         to deps_list_t.
7845         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7846         Change its type to deps_list_t.
7847         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7848         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7849         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7850
7851         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7852
7853         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7854
7855         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7856         all callers.
7857         (dep_cost): Declare.
7858
7859         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7860         (ds_to_dk, dk_to_ds): New functions.
7861
7862         (init_dep_1): New static function.
7863         (init_dep): New function.
7864         (copy_dep): New static function.
7865
7866         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7867         functions.
7868         (detach_dep_link): New static function.
7869         (move_dep_link): New function.
7870
7871         (dep_links_consistent_p, dump_dep_links): New static functions.
7872         (debug_dep_links): New debugging function.
7873
7874         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7875
7876         (alloc_deps_list, init_deps_list): New static functions.
7877         (create_deps_list): New function.
7878         (clear_deps_list): New static function.
7879         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7880         (deps_list_consistent_p, dump_deps_list): New static functions.
7881         (debug_deps_list): New function.
7882         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7883         functions.
7884         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7885
7886         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7887         use new scheduler dependencies lists.
7888         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7889         (sched_analyze): Ditto.  Initialize dependencies lists.
7890         (add_forw_dep, compute_forward_dependences): Update to use new
7891         scheduler dependencies lists.
7892
7893         (init_dependency_caches): Init deps_obstack.
7894         (free_dependency_caches): Free deps_obstack.
7895
7896         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7897         new scheduler dependencies lists.
7898         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7899         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7900
7901         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7902         Update to use new scheduler dependencies lists.
7903         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7904         (debug_dependencies): Ditto.
7905         (schedule_region): Update comments.
7906
7907         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7908         scheduler dependencies lists.
7909         (schedule_ebb): Update comments.
7910
7911         * rtl.def (DEPS_LIST): Remove.
7912
7913         * lists.c (unused_deps_list): Remove.
7914         (free_list): Update assertions.
7915
7916         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7917         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7918
7919         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7920         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7921
7922         * haifa-sched.c (comments): Update.
7923         (insn_cost1): Remove.  Inline the code into insn_cost ().
7924         (insn_cost): Update to use new scheduler dependencies lists.  Move
7925         processing of the dependency cost to dep_cost ().
7926         (dep_cost): New function.  Use it instead of insn_cost () when
7927         evaluating cost of the dependency.  Use compatible interface to
7928         interact with the target.
7929         (priority): Update to use new scheduler dependencies lists.
7930         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7931         with greater number of insns that depend on the insn.
7932         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7933         code to free backward dependencies lists.  Inline and optimize code
7934         from resolve_dep () - see PR28071.
7935         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7936         lists.  Update call to targetm.sched.is_costly_dependence hook.
7937
7938         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7939         scheduler dependencies lists.
7940
7941         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7942         (init_h_i_d): Initialize dependencies lists.
7943
7944         (process_insn_depend_be_in_spec): Rename to
7945         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7946         dependencies lists.
7947         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7948         Update to use new scheduler dependencies lists.
7949         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7950
7951         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7952         new scheduler dependencies lists.
7953         (build_intra_loop_deps): Ditto.
7954
7955         * target.h (struct _dep): Declare to use in
7956         gcc_target.sched.is_costly_dependence.
7957         (struct gcc_target.sched.adjust_cost): Fix typo.
7958         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7959         single dep_t parameter instead of an equivalent triad.
7960         (struct gcc_target.sched.adjust_cost_2): Remove.
7961
7962         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7963
7964         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7965
7966         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7967         documentation.
7968         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7969
7970         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7971         (REG_DEP_TRUE): Document.
7972
7973         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7974         Change signature to correspond to the targetm.sched.adjust_cost hook.
7975         Update use in TARGET_SCHED_ADJUST_COST_2.
7976         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7977         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7978         new scheduler dependencies lists.
7979         (ia64_gen_check): Ditto.
7980
7981         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7982         dependencies lists.
7983
7984         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7985         signature to correspond to the targetm.sched.is_costly_dependence hook.
7986         (is_costly_group): Update to use new scheduler dependencies lists.
7987
7988         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7989         instead of INSN_COST () macro.
7990
7991 2007-02-01  Ian Lance Taylor  <iant@google.com>
7992
7993         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7994
7995 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7996
7997         * pa.md (tp_load): Correct mfctl instruction syntax.
7998
7999 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8000
8001         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8002         altivec_padding_size calculation on AIX.  Improve comment, add
8003         assert to verify that it's right.
8004
8005         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8006         64-bit.
8007
8008 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8009
8010         PR inline-asm/28686
8011         * global.c (global_alloc): Add mising initialization of
8012         ELIMINABLE_REGSET.
8013
8014 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8015
8016         * alias.c (init_alias_analysis): Correct whitespace.
8017         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8018         partition_hot_cold_basic_blocks): Likewise.
8019         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8020         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8021         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8022         fold_builtin_snprintf_chk, fold_builtin_printf,
8023         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8024         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8025         * cfgcleanup.c (cleanup_cfg): Likewise.
8026         * cfgexpand.c (tree_expand_cfg): Likewise.
8027         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8028         * function.c (get_next_funcdef_no): Likewise.
8029         * gengtype.c (main): Likewise.
8030         * genmodes.c (main): Likewise.
8031         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8032         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8033         * ifcvt.c (noce_emit_move_insn): Likewise.
8034         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8035         Likewise.
8036         * stor-layout.c (get_best_mode): Likewise.
8037         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8038         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8039         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8040         perform_var_substitution, solve_graph): Likewise.
8041         * tree-vrp.c (vrp_finalize): Likewise.
8042
8043 2007-02-01  Ian Lance Taylor  <iant@google.com>
8044
8045         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8046         high part of a paradoxical subreg, return a constant zero.
8047
8048 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8049
8050         * toplev.c (lang_dependent_init): Call init_set_costs.
8051         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8052
8053 2007-02-01  Richard Guenther  <rguenther@suse.de>
8054
8055         PR middle-end/30656
8056         * fold-const.c (fold_negate_expr): Allow negating a
8057         constant if overflow does not change.
8058
8059 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8060
8061         * doc/c-tree.texi (Expression trees): Improve markup.
8062         * doc/tm.texi (Register Classes, Addressing Modes)
8063         (Floating Point): Fix spacing after abbreviations.  Fix some
8064         typos.
8065
8066 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8067
8068         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8069         * doc/contrib.texi: Likewise.
8070         * doc/install.texi: Likewise.
8071
8072 2007-01-31  Richard Henderson  <rth@redhat.com>
8073             Ian Lance Taylor  <iant@google.com>
8074
8075         * lower-subreg.c: New file.
8076         * rtl.def (CONCATN): Define.
8077         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8078         pass_lower_subreg2.
8079         * emit-rtl.c (update_reg_offset): New static function, broken out
8080         of gen_rtx_REG_offset.
8081         (gen_rtx_REG_offset): Call update_reg_offset.
8082         (gen_reg_rtx_offset): New function.
8083         * regclass.c: Revert patch of 2006-03-05, restoring
8084         reg_scan_update.
8085         (clear_reg_info_regno): New function.
8086         * dwarf2out.c (concatn_loc_descriptor): New static function.
8087         (loc_descriptor): Handle CONCATN.
8088         * common.opt (fsplit_wide_types): New option.
8089         * opts.c (decode_options): Set flag_split_wide_types when
8090         optimizing.
8091         * timevar.def (TV_LOWER_SUBREG): Define.
8092         * rtl.h (gen_reg_rtx_offset): Declare.
8093         (reg_scan_update): Declare.
8094         * regs.h (clear_reg_info_regno): Declare.
8095         * tree-pass.h (pass_lower_subreg): Declare.
8096         (pass_lower_subreg2): Declare.
8097         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8098         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8099         -fsplit-wide-types.
8100         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8101         * Makefile.in (OBJS-common): Add lower-subreg.o.
8102         (lower-subreg.o): New target.
8103
8104 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8105
8106         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8107
8108 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8109
8110         PR target/19087
8111         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8112
8113 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8114
8115         PR middle-end/29335
8116         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8117
8118 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8119
8120         * cfgloop.h: Include vec-prim.h.
8121         (enum li_flags): Remove LI_ONLY_OLD.
8122         (loop_iterator): Changed.
8123         (fel_next, fel_init): Iterate over loop tree.
8124         (FOR_EACH_LOOP_BREAK): New macro.
8125         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8126         FOR_EACH_LOOP.
8127         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8128         * modulo-sched.c (sms_schedule): Ditto.
8129         * tree-vectorizer.c (vectorize_loops): Ditto.
8130         * doc/loop.texi: Update information on loop numbering and behavior of
8131         FOR_EACH_LOOP wrto new loops.
8132         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8133         add_to_evolution_1): Test nestedness of loops instead of comparing
8134         their numbers.
8135         * tree-chrec.c (chrec_fold_plus_poly_poly,
8136         chrec_fold_multiply_poly_poly, chrec_evaluate,
8137         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8138         reset_evolution_in_loop): Ditto.
8139         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8140
8141 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8142
8143         * c-common.c (warn_about_parentheses): Separate warning about
8144         un-parenthized sequence of comparison operators from the one
8145         which is supposed to warn about x <= y <= z.
8146
8147 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8148
8149         * optabs.h (enum optab_index): Add new OTI_isinf.
8150         (isinf_optab): Define corresponding macro.
8151         * optabs.c (init_optabs): Initialize isinf_optab.
8152         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8153         patterns.
8154         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8155         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8156         using isinf_optab.
8157         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8158         expand_builtin_interclass_mathfn.
8159         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8160         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8161         (fxam<mode>2_i387): New insn pattern.
8162         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8163         built-in functions as x87 inline asm.
8164
8165 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8166
8167         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8168
8169 2007-01-30  Eric Christopher  <echristo@apple.com>
8170
8171         * config.gcc: Add geode.
8172
8173 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8174
8175         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8176         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8177         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8178         value-prof.c: Fix comment typos.
8179
8180 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8181
8182         PR c++/24745
8183         * doc/invoke.texi (Wpointer-arith): Document warning.
8184
8185 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8186
8187         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8188         the list of discrepancies from the draft TR.
8189
8190 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8191
8192         PR c++/30601
8193         * doc/invoke.texi (-Wreturn-type): Update description to
8194         match new behavior.
8195
8196 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8197
8198         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8199
8200 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8201
8202         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8203         to handle optabs that operate on floating point input argument and
8204         output to integer output.
8205         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8206         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8207         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8208         expand_builtin_interclass_mathfn ().
8209         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8210         (ilogbsi2): Remove.
8211         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8212         ilogbl built-in functions as x87 intrinsics.
8213
8214 2007-01-30  Richard Guenther  <rguenther@suse.de>
8215
8216         PR middle-end/27657
8217         * dwarf2out.c (reference_to_unused): Query varpool if the
8218         variable was output.
8219
8220 2007-01-30  Richard Guenther  <rguenther@suse.de>
8221
8222         PR middle-end/30313
8223         * passes.c (execute_one_pass): Reset in_gimple_form to not
8224         confuse non-unit-at-a-time mode.
8225
8226 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8227             Richard Guenther  <rguenther@suse.de>
8228
8229         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8230         avoid undefined behaviour on overflow.  Use force_fit_type_double
8231         to construct the constant with the specified TREE_OVERFLOW.
8232
8233 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8234
8235         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8236         * config/dfp-bit.h: Ditto.
8237
8238 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8239
8240         * c-decl.c (pop_scope): Replace warnings with call to
8241         warn_for_unused_label.
8242         * c-common.h (warn_for_unused_label): Declare.
8243         * c-common.c (warn_for_unused_label): Define.
8244
8245 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8246
8247         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8248         function.
8249
8250 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8251
8252         * Makefile.in (USER_H): Remove decfloat.h.
8253         * ginclude/decfloat.h: Delete, moving contents to ...
8254         * ginclude/float.h: Add support for decimal floating point,
8255         guarded by __STDC_WANT_DEC_FP__.
8256
8257 2007-01-29  Mike Stump  <mrs@apple.com>
8258
8259         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8260         Analysis and Representation to resolve case insensitive conflict.
8261         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8262
8263 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8264
8265         * tree.h (struct tree_memory_tag): Add aliases member.
8266         (MTAG_ALIASES): New macro.
8267         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8268         (add_may_alias): Remove pointer-set. Update for may_aliases being
8269         a bitmap.
8270         (mark_aliases_call_clobbered): Update for may_aliases being a
8271         bitmap.
8272         (compute_tag_properties): Ditto.
8273         (create_partition_for): Ditto.
8274         (compute_memory_partitions): Ditto.
8275         (dump_may_aliases_for): Ditto.
8276         (is_aliased_with): Ditto.
8277         (add_may_alias_for_new_tag): Ditto.
8278         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8279         (compute_is_aliased): New function.
8280         (compute_may_aliases): Call compute_is_aliased).
8281         (init_alias_info): Initialize alias_bitmap_obstack.
8282         (union_alias_set_into): New function.
8283         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8284         (have_common_aliases_p): Rewrite to take two bitmaps and use
8285         intersection.
8286         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8287         Update for bitmaps.
8288         (finalize_ref_all_pointers): Update for add_may_alias changes.
8289         (new_type_alias): Ditto.
8290         * tree-flow-inline.h (may_aliases): Return a bitmap.
8291         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8292         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8293         may_aliases being a bitmap.
8294         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8295         may_aliases now returns a bitmap.
8296         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8297         being a bitmap.
8298         * tree-ssa-operands.c (add_virtual_operand): Update for
8299         may_aliases being a bitmap.
8300
8301 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8302
8303         PR tree-optimization/30630
8304         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8305         variable as changed.
8306
8307 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8308
8309         PR c++/28266
8310         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8311         expanded only once even if an error occurs.
8312
8313 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8314
8315         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8316         (__gcov_average_profiler): Likewise.
8317         (__gcov_ior_profiler): Likewise.
8318         (__gcov_merge_ior): Likewise.
8319
8320 2007-01-28  Jan Hubicka  <jh@suse.cz>
8321
8322         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8323         * value-prof.c (stringop_block_profile): Likewise.
8324
8325 2007-01-28  Jan Hubicka  <jh@suse.cz>
8326
8327         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8328         variant handling histograms; add wrapper.
8329         (clear_storage_via_libcall): Export.
8330         (emit_block_move_hints): Break out from ...; add histograms.
8331         (emit_block_move): ... this one.
8332         (clear_storage_hints): Break out from ...; add histograms.
8333         (clear_storage): ... this one.
8334         (set_storage_via_memset): Handle histogram.
8335         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8336         (clear_storage_hints, clear_storage_via_libcall): Declare.
8337         (set_storage_via_setmem): Update prototype.
8338         * doc/md.texi (movmem, setmem): Document new arguments.
8339
8340         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8341         new histograms.
8342         (stringop_block_profile): New global function.
8343         (tree_stringops_values_to_profile): Profile block size and alignment.
8344         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8345         HIST_TYPE_IOR.
8346         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8347         (stringop_block_profile): Declare.
8348         * builtins.c: Include value-prof.h.
8349         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8350         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8351         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8352         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8353         * profile.c (instrument_values): Add new counters.
8354         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8355         calls.
8356         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8357         (tree_init_edge_profiler): Build new profilers.
8358         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8359         (pass_tree_profile): Add dump.
8360         (tree_profile_hooks): Update.
8361         * Makefile.in (LIBGCOV): Add new constants.
8362         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8363         __gcov_ior_profiler): New.
8364         * i386.md (movmem/setmem expanders): Add new optional arguments.
8365
8366 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8367
8368         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8369
8370 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8371
8372         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8373         (tree_unswitch_single_loop): Pass eni_size_weights to
8374         tree_num_loop_insns.
8375         * tree-ssa-loop-manip.c: Include tree-inline.h.
8376         (can_unroll_loop_p): Pass eni_size_weights to
8377         tree_num_loop_insns.
8378         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8379         Pass eni_size_weights to estimate_num_insns.
8380         * tree.h (init_inline_once): Export.
8381         * toplev.c (backend_init): Call init_inline_once.
8382         * cgraphunit.c (cgraph_process_new_functions,
8383         cgraph_analyze_function): Pass eni_inlining_weights to
8384         estimate_num_insns.
8385         * ipa-inline.c (compute_inline_parameters): Ditto.
8386         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8387         to estimate_num_insns.
8388         (try_unroll_loop_completely): Pass eni_size_weights to
8389         tree_num_loop_insns.
8390         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8391         ot estimate_num_insns.
8392         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8393         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8394         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8395         eni_time_weights): New variables.
8396         (init_inline_once): Initialize them.
8397         (struct eni_data): Mew.
8398         (estimate_num_insns_1, estimate_num_insns): Use weights.
8399         * tree-inline.h (struct eni_weights_d): New.
8400         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8401         (estimate_num_insns): Declaration changed.
8402         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8403         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8404         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8405
8406 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8407
8408         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8409         relations in the conflict function is valid.
8410
8411 2007-01-27  Ian Lance Taylor  <iant@google.com>
8412
8413         * common.opt: Add fstrict-overflow.
8414         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8415         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8416         (TYPE_OVERFLOW_UNDEFINED): Define.
8417         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8418         Replace all uses.
8419         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8420         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8421         (fold_negate_expr): Likewise.
8422         (make_range): Likewise.
8423         (extract_muldiv_1): Likewise.
8424         (maybe_canonicalize_comparison): Likewise.
8425         (fold_comparison): Likewise.
8426         (fold_binary): Likewise.
8427         (tree_expr_nonnegative_p): Likewise.
8428         (tree_expr_nonzero_p): Likewise.
8429         * tree-vrp.c (compare_values): Likewise.
8430         (extract_range_from_binary_expr): Likewise.
8431         (extract_range_from_unary_expr): Likewise.
8432         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8433         Likewise.
8434         (nowrap_type_p): Likewise.
8435         * tree-scalar-evolution.c (simple_iv): Likewise.
8436         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8437         (build_range_check): Likewise.
8438         (extract_muldiv_1): Likewise.
8439         (fold_comparison): Likewise.
8440         * tree-vrp.c (vrp_int_const_binop): Likewise.
8441         (extract_range_from_unary_expr): Likewise.
8442         * convert.c (convert_to_integer): Likewise.
8443         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8444         (fold_comparison): Likewise.
8445         (fold_binary): Likewise.
8446         * optabs.c (optab_for_tree_code): Likewise.
8447         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8448         * simplify-rtx.c (simplify_const_relational_operation): Check
8449         flag_strict_overflow and flag_trapv.
8450         (simplify_const_relational_operation): Likewise.
8451         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8452         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8453         -fstrict-overflow.
8454
8455 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8456
8457         * tree.c (tree_fold_gcd): Delete.
8458         * tree.h (tree_fold_gcd): Remove prototype.
8459         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8460         test whether one constant integer is a multiple of another.  Instead
8461         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8462         * fold-const.c (multiple_of_p):  We've determined both TOP and
8463         BOTTOM are integer constants so we can call int_const_binop directly
8464         instead of the more generic const_binop.
8465
8466 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8467
8468         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8469         1*X check that the constant hasn't overflowed, to preserve the
8470         TREE_OVERFLOW bit.
8471         (round_up): Provide an efficient implementation when rouding-up an
8472         INTEGER_CST to a power-of-two.
8473
8474 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8475
8476         * doc/sourcebuild.texi: Add comma for clarity.
8477         * doc/extend.texi: Fix some typos.
8478         * doc/passes.texi: Likewise.
8479         * doc/cppinternals.texi: Likewise.
8480         * doc/c-tree.texi: Likewise.
8481         * doc/tree-ssa.texi: Likewise.
8482         * doc/install.texi: Likewise.
8483
8484 2007-01-27  Jan Hubicka  <jh@suse.cz>
8485
8486         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8487         (pass_sra): Do not require alias information.
8488         * passes.c (init_optimization_passes): Add SRA
8489
8490 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8491
8492         * tracer.c (rest_of_handle_tracer): We already cleaned
8493         up the CFG in tracer() so don't do it here again.
8494         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8495         cleanup_cfg here, either.  And don't call renumber_insns.
8496
8497         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8498         and BB_HEAD are in the insn stream here.  Instead make sure
8499         that BB_INSN is valid on all insns.  Also, do check here that
8500         there are no pending branch predictions...
8501         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8502         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8503         here.
8504
8505 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8506
8507         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8508         function to simplify/factorize operand order canonicalization.
8509         (ix86_fixup_binary_operands): Reorganize using the above function.
8510         (ix86_binary_operator_ok): Likewise.
8511
8512 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8513
8514         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8515         file scope from optimize_attrs.
8516         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8517         up search.
8518         (optimize_attrs): Clear insn_code_values after freeing it.
8519
8520 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8521
8522         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8523         a parts.base assignment.
8524
8525 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8526
8527         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8528         (compute_subscript_distance, initialize_data_dependence_relation,
8529         finalize_ddr_dependent, analyze_ziv_subscript,
8530         analyze_siv_subscript_cst_affine,
8531         compute_overlap_steps_for_affine_univar,
8532         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8533         analyze_siv_subscript, analyze_miv_subscript,
8534         analyze_overlapping_iterations, subscript_dependence_tester_1,
8535         compute_self_dependence, free_dependence_relation): Work
8536         with affine_fn instead of chrecs.
8537         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8538         common_affine_function, affine_function_base,
8539         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8540         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8541         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8542         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8543         (all_chrecs_equal_p): Removed.
8544         * tree-data-ref.h (affine_fn, conflict_function): New types.
8545         (struct subscript): Change type of conflicting_iterations_in_a
8546         and conflicting_iterations_in_b.
8547
8548 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8549
8550         PR other/30182
8551         * config/pa/pa.h (TARGET_HPUX_11): New.
8552         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8553         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8554
8555 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8556         Richard Guenther  <rguenther@suse.de>
8557
8558         * tree-ssa-structalias.c (solve_graph): Handle case
8559         we merged the variable to another.
8560
8561 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8562
8563         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8564         functions.
8565
8566         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8567         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8568
8569 2007-01-25  DJ Delorie  <dj@redhat.com>
8570
8571         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8572         allow changes to modes which don't fit in those registers.
8573
8574         * reload1.c (choose_reload_regs): Check for invalid subregs before
8575         computing their locations, not after.
8576
8577 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8578
8579         PR 25127
8580         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8581         save Altivec registers in an eh_return function.
8582         (compute_vrsave_mask): Likewise.
8583         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8584         for saving Altivec registers.
8585         (rs6000_emit_prologue): Don't allocate stack twice in
8586         eh_return function.  Correct expected value of altivec_save_offset
8587         when using save_world.  Describe save of R0 to stack when using
8588         save_world.  Describe stack pointer adjustment when using
8589         save_world.  Remove duplicated eh_return parameter register saving.
8590         Update sp_offset variable after save_world.
8591         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8592         darwin-world.asm.
8593         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8594         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8595         implies Altivec.
8596
8597 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8598
8599         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8600
8601 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8602
8603         PR other/30182
8604         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8605         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8606
8607 2007-01-25  Richard Guenther  <rguenther@suse.de>
8608
8609         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8610         * common.opt (-Wcoverage-mismatch): New warning option.
8611         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8612         if -Wcoverage-mismatch is given.
8613
8614 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8615
8616         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8617         (ipcp_driver): Change to static definition.
8618         Add dumping of the ifunctions.
8619         (constant_val_insert): Remove unused parameter. Support for SSA.
8620         (ipcp_propagate_const): Support for SSA.
8621         (ipcp_profile_bb_print): Print only analyzed nodes.
8622         (ipcp_replace_map_create): Remove support for Fortran constant
8623         for now.
8624         * ipa-prop.c (ipa_method_modify_stmt,
8625         ipa_callsite_compute_param): Support for SSA.
8626         * ipa-prop.h (ipcp_driver): Remove declaration.
8627         (IS_VALID_TREE_MAP_INDEX): Add define.
8628
8629 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8630
8631         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8632
8633 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8634
8635         PR middle-end/30447
8636         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8637         constant argument to cabs and do it without checking for
8638         -funsafe-math-optimizations.
8639
8640 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8641
8642         * c-common.h (RID_FIRST_CXX0X): New.
8643         (RID_LAST_CXX0X): New.
8644         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8645         by -Wall.
8646         * c.opt (Wc++0x-compat): New.
8647         * doc/invoke.texi (-Wc++0x-compat): Document.
8648
8649 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8650
8651         * builtins.c (fold_builtin_carg): New.
8652         (fold_builtin_1): Use it.
8653
8654 2007-01-24  Jan Hubicka  <jh@suse.cz>
8655
8656         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8657
8658         * ipa-inline.c (initial_insns, max_insns): Delete.
8659         (compute_max_insns): New function.
8660         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8661         of insns as base for code growth.
8662         (cgraph_decide_inlining): Make initial_insns local; do not compute
8663         max_insns.
8664         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8665         * doc/invoke.texi (inline-unit-growth): Update docs.
8666
8667 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8668
8669         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8670         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8671         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8672         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8673         for CPUs that have PTA_CX16 set.
8674
8675         PR middle-end/27416
8676         * gimplify.c (omp_check_private): New function.
8677         (gimplify_scan_omp_clauses): Use it for
8678         firstprivate/lastprivate/reduction.
8679
8680         PR middle-end/30494
8681         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8682         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8683
8684         PR middle-end/30421
8685         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8686         If lower_lastprivate_clauses emits some statements, append them
8687         to dlist rather than body_p and to body_p append an initializer.
8688         (lower_omp_for): Adjust caller.
8689
8690 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8691
8692         * target.h (globalize_decl_name): New.
8693         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8694         * output.h (default_globalize_decl_name): New.
8695         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8696         globalize_label.
8697         (globalize_decl): Ditto.
8698         (default_globalize_decl_name): New.
8699         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8700         (ia64_handle_version_id_attribute): New.
8701         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8702         (ia64_asm_output_external): Use globalize_decl_name instead
8703         of globalize_label.
8704         * doc/extend.texi (version_id): New pragma.
8705         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8706
8707 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8708
8709         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8710         _uleb128_t and _Unwind_SWord with _sleb128_t.
8711         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8712         uw_frame_state_for, uw_update_context_1): Likewise.
8713         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8714         * unwind-pe.h (read_uleb128, read_sleb128,
8715         read_encoded_value_with_base): Likewise.
8716         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8717
8718 2007-01-24  Richard Guenther  <rguenther@suse.de>
8719
8720         * builtins.c (expand_builtin_cexpi): Get the fndecl
8721         for cexp in the correct way.
8722
8723 2007-01-24  Jan Hubicka  <jh@suse.cz>
8724
8725         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8726
8727 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8728
8729         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8730         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8731         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8732         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8733         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8734         __SIZEOF_PTRDIFF_T__.
8735         * doc/cpp.texi: Documentation for the new builtin macros added.
8736
8737 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8738
8739         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8740         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8741         instead of operands[2] to avoid access past the end of array.
8742
8743 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8744
8745         * reload1.c (emit_reload_insns): Pass the reload register
8746         for a non-spill output reload through forget_old_reloads_1.
8747
8748 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8749
8750         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8751         _SOFT_DOUBLE if doubles use software floating-point.
8752         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8753         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8754         * config/rs6000/darwin-ldouble.c: Also compile functions for
8755         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8756         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8757         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8758         commented-out long double override.
8759         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8760         * config/rs6000/eabispe.h: Likewise.
8761         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8762         long double for non-SPE.
8763         (rs6000_handle_option): Likewise.
8764         (invalid_e500_subreg): Disallow more subregs involding DImode,
8765         DFmode, TImode or TFmode.
8766         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8767         E500 double.
8768         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8769         double.
8770         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8771         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8772         double.
8773         (rs6000_legitimate_address): Also check for TFmode for E500
8774         double.
8775         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8776         (spe_build_register_parallel): Handle TFmode and TCmode.
8777         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8778         double.
8779         (function_arg): Handle TFmode and TCmode for E500 double.
8780         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8781         in general.
8782         (print_operand): Handle TFmode and TImode for %y.
8783         (rs6000_generate_compare): Handle TFmode comparisons for E500
8784         double.
8785         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8786         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8787         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8788         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8789         TFmode for E500 double.
8790         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8791         (floatsidf2): Enable for E500 double.
8792         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8793         (extenddftf2): Change to extenddftf2_fprs.
8794         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8795         depending on TARGET_E500_DOUBLE.
8796         (extendsftf2): Enable for E500 double.
8797         (trunctfdf2): Enable for E500 double.
8798         (trunctfsf2): Change to trunctfsf2_fprs.
8799         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8800         depending on TARGET_E500_DOUBLE.
8801         (floatsitf2): Enable for E500 double.
8802         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8803         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8804         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8805         (negtf2): Change to negtf2_internal.
8806         (negtf2): New expander.
8807         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8808         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8809         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8810         (movdi_internal32): Use rs6000_nonimmediate_operand.
8811         (unnamed splitter): Likewise.
8812         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8813         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8814         (SPE64TF, DITI): New mode macros.
8815         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8816         modes.
8817         (frob_tf_ti): New.
8818         (frob_<mode>_di_2): New.
8819         (frob_tf_di_8_2): New.
8820         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8821         (frob_ti_tf): New.
8822         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8823         more modes.
8824         (frob_ti_<mode>_8_2): New.
8825         (frob_ti_tf_2): New.
8826         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8827         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8828         TFmode.
8829         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8830         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8831         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8832         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8833         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8834         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8835         tsttflt_gp): New.
8836
8837 2007-01-23  Ian Lance Taylor  <iant@google.com>
8838
8839         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8840         insn-*.o first.
8841         (OBJS-archive): Reformat, alphabetize.
8842         (OBJS): Change out_object_file to OBJS-md.
8843
8844 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8845
8846         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8847         JUMP_P and CALL_P predicates where applicable.
8848         * config/i386/i386.c: Ditto.
8849         * config/i386/i386.md: Ditto.
8850         * config/i386/mmx.md: Ditto.
8851         * config/i386/predicates.md: Ditto.
8852
8853 2007-01-22  Andreas Schwab  <schwab@suse.de>
8854
8855         * config/m68k/m68k.h: Fix comment.
8856
8857 2007-01-22  Jan Hubicka  <jh@suse.cz>
8858
8859         * passes.c (init_optimization_passes): Do not rerun
8860         pass_early_warn_uninitialized.
8861
8862 2007-01-22  Richard Guenther  <rguenther@suse.de>
8863
8864         PR tree-optimization/30038
8865         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8866         function.
8867         (execute_cse_sincos_1): Likewise.
8868         (execute_cse_sincos): Likewise.
8869         (gate_cse_sincos): Likewise.
8870         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8871         the cexpi() canonicalization of sincos().
8872         * tree-pass.h (pass_cse_sincos): Declare.
8873         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8874
8875 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8876
8877         PR rtl-optimization/29329
8878         * combine.c (replaced_rhs_insn): Rename to i2mod.
8879         (replaced_rhs_value): Rename to i2mod_new_rhs.
8880         (i2mod_old_rhs): New global variable.
8881         (combine_instructions): Adjust for above change.  Save a copy of
8882         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8883         note are substituted in the second instruction.
8884         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8885         ditch the note if it pertains to the second eliminated register
8886         and this register is mentioned in i2mod_old_rhs.
8887
8888         Revert:
8889         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8890
8891         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8892         the insn to which the note was originally attached.
8893
8894 2007-01-21  Jan Hubicka  <jh@suse.cz>
8895
8896         * ipa-inline.c (inlining_mode): Comment, move up.
8897         (cgraph_decide_inlining_incrementally): Do not perform inlining
8898         itself; fix handling of flattening of self recursive functions.
8899         (cgraph_find_cycles): Remove.
8900         (cgraph_flatten_node): Remove.
8901         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8902         (try_inline): New function.
8903         (cgraph_early_inlining): Update call of
8904         cgraph_decide_inlining_incrementally.  Apply inlining here.
8905         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8906
8907 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8908
8909         PR bootstrap/30511
8910         * tree-vrp.c (check_array_bounds): do not warn
8911         about ADDR_EXPR's of ARRAY_REF's which are immediately
8912         used in binary expressions.
8913
8914 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8915
8916         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8917         read_write_dep and macros for its access.
8918         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8919         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8920         argument, call vect_check_interleaving for every independent pair of
8921         data-refs. Mark loads that access the same memory location as a store
8922         in the loop.
8923         (vect_check_dependences): Remove.
8924         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8925         call, fix the call to vect_analyze_data_ref_dependence.
8926         (vect_analyze_data_ref_access): For statements that access the same
8927         data-ref, check that they are not stores; for loads, check that there
8928         is no store that access the same location.
8929
8930 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8931             Joseph Myers  <joseph@codesourcery.com>
8932
8933         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8934         (-fdump-rtl-stack): Likewise.
8935         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8936         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8937         (-mpt-fixed): Use @minus{} for minus sign.
8938         (Using Precompiled Headers): Fix under/overfull hbox.
8939
8940 2007-01-20  Jan Hubicka  <jh@suse.cz>
8941
8942         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8943         place within annotation.
8944
8945 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8946
8947         * pa.c (output_move_double): Change array size of xoperands to 4.
8948
8949 2007-01-20  Jan Hubicka  <jh@suse.cz>
8950
8951         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8952         as temporary.
8953
8954 2007-01-19  Ian Lance Taylor  <iant@google.com>
8955
8956         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8957         constant to unsigned HOST_WIDE_INT before negating.
8958
8959 2007-01-19  Ian Lance Taylor  <iant@google.com>
8960
8961         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8962         to unsigned.
8963         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8964         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8965         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8966         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8967         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8968         (realloc_vdef, realloc_vuse): Change second parameter to
8969         unsigned.
8970         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8971         fields to unsigned.
8972         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8973         unsigned. Change x and lim locals to unsigned.
8974         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8975         unsigned.
8976         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8977         (copy_virtual_operands): Change i and n locals to unsigned.
8978
8979 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8980
8981         PR middle-end/29335
8982         * builtins.c (fold_builtin_1): Handle builtin fdim.
8983
8984 2007-01-20  Jan Hubicka  <jh@suse.cz>
8985
8986         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8987         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8988         init_alias_heapvars.
8989         (init_alias_heapvars): Initialize only when not already initialized.
8990         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8991
8992 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8993
8994         * common.opt (fsigned-zeros): New command line option.
8995         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8996         of flag_unsafe_math_optimizations.
8997         * opts.c (set_fast_math_flags): The -ffast-math command line option
8998         implies -fno-signed-zeros.
8999         (fast_math_flags_set_p): Likewise.
9000
9001         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9002         the documentation of -ffast-math appropriately.  Wrap long lines.
9003
9004 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9005
9006         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9007         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9008
9009 2007-01-19  Tomas Bily  <tbily@suse.cz>
9010
9011         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9012         * tree-profile.c:
9013         (tree_init_ic_make_global_vars): New function
9014         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9015         (tree_gen_ic_profiler): New function
9016         (tree_gen_ic_func_profiler): New function
9017         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9018         (tree_profile_hooks): Added hook for indirec/virtual calls
9019         * value-prof.c (tree_find_values_to_profile): New case for
9020         indirect calls
9021         (tree_values_to_profile): Call for determining indirect/virtual
9022         counters
9023         (tree_indirect_call_to_profile): New function
9024         (tree_ic_transform): New function
9025         (tree_ic): New function
9026         (find_func_by_pid): New function
9027         (init_pid_map): New function
9028         (tree_value_profile_transformations): Added check for
9029         indirect/virtual call transformation
9030         * value-prof.h (enum hist_type): New counter type for
9031         indirect/virtual calls
9032         (profile_hooks): Added new hook for profiling indirect/virtual
9033         calls
9034         * profile.c (instrument_values): New case for indirect/virtual
9035         call added
9036         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9037         (GCOV_COUNTER_V_INDIR): New counter type
9038         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9039         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9040         call added
9041         * cgraph.c: Definition of cgraph_max_pid
9042         (cgraph_create_node): Default init of pid attribute
9043         * cgraph.h: Declaration of cgraph_max_pid
9044         (struct cgraph_node): Added pid attribute
9045         * libgcov.c (__gcov_indirect_call_profiler): New function
9046         (__gcov_one_value_profiler_body): New function
9047         (__gcov_one_value_profiler): Body was moved to
9048         __gcov_one_value_profiler_body and calls it
9049
9050 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9051
9052         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9053         * gengtype.c (write_types_data, write_func_for_structure,
9054         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9055         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9056         (walk_type, write_func_for_structure): Generate the mark_hook if
9057         needed.
9058
9059 2007-01-19  Jan Hubicka  <jh@suse.cz>
9060
9061         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9062         'early' argument take inlining mode argument specifying whether to
9063         inline for size/speeed or all functions; add support for flattening;
9064         improve dumpting.
9065         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9066
9067 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9068
9069         PR c++/17947
9070         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9071         the name of the declared identifier.
9072
9073 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9074
9075         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9076         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9077         duplicate evaluation.
9078
9079 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9080
9081         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9082         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9083         to XFMode, use acosxf2 and truncate result to requested mode.
9084         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9085         (asin<mode>2): Similarly, with asin expanders.
9086         (*fscalexf4_i387): Rename from *fscalexf4.
9087         (expNcorexf3): New expander.
9088         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9089         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9090         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9091         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9092         patterns for SSE math.
9093         (exp10<mode>2): Similarly, with exp10 expanders.
9094         (exp2<mode>2): Similarly, with exp2 expanders.
9095         (expm1<mode>2): Similarly, with expm1 expanders.
9096         (ldexp<mode>3): Similarly, with ldexp expanders.
9097         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9098         Use gen_truncxf<mode>2_i387_noop to truncate result.
9099
9100 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9101
9102         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9103         for ColdFire targets.
9104
9105 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9106             Richard Sandiford  <richard@codesourcery.com>
9107
9108         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9109         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9110         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9111         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9112         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9113         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9114
9115 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9116
9117         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9118         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9119         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9120         (*adddi_dilshr32_cf): New pattern.
9121         (adddi3, subdi3): Remove first alternatives.
9122
9123 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9124
9125         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9126         implemented using move.l, do not use its cc result for floating-point
9127         comparisons.
9128
9129 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9130
9131         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9132         from accepting 's' constraints if flag_pic.
9133
9134 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9135
9136         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9137         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9138         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9139         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9140
9141 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9142
9143         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9144         ColdFire alternatives.
9145         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9146         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9147         architectures that support ff1 instruction.
9148
9149 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9150             Julian Brown  <julian@codesourcery.com>
9151
9152         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9153         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9154         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9155         Add commentary.
9156
9157 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9158
9159         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9160         and return a bool.
9161         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9162         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9163         HOST_WIDE_INT instead of an rtx.
9164         (m68k_rtx_costs): Update call accordingly.
9165         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9166         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9167         Return a bool.
9168         (output_move_simode_const): Update calls after above changes.
9169         Rework to use automatic variables and predicates like MEM_P.
9170         * config/m68k/m68k.md (pushexthisi_const): Update call to
9171         valid_mov3q_const.
9172
9173 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9174
9175         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9176         in dump_flags test.
9177
9178 2007-01-19  Richard Guenther  <rguenther@suse.de>
9179
9180         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9181         via cexp in case sincos is not available.
9182
9183 2007-01-19  Richard Guenther  <rguenther@suse.de>
9184
9185         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9186         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9187         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9188         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9189         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9190         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9191         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9192         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9193
9194 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9195
9196         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9197         New insn patterns.
9198         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9199         (atan2xf3): Directly generate RTL pattern.
9200         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9201         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9202         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9203         disable patterns for SSE math.
9204         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9205         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9206         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9207         disable patterns for SSE math.
9208
9209 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9210
9211         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9212
9213 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9214
9215         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9216         VIEW_CONVERT_EXPR to the same type as it's operand.
9217
9218 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9219
9220         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9221         configured for long double 128.
9222
9223 2007-01-18  Mike Stump  <mrs@apple.com>
9224
9225         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9226         error.
9227
9228 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9229
9230         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9231         type correct.
9232
9233 2007-01-18  Jan Hubicka  <jh@suse.cz>
9234
9235         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9236         greater than NUM_VOP_FREE_BUCKETS.
9237
9238 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9239
9240         * tree-ssa-structalias.c: Update comments.
9241         (ptabitmap_obstack): Removed.
9242         (pta_obstack): New.
9243         (oldpta_obstack): Ditto.
9244         (stats): Add a few members.
9245         (struct variable_info): Remove node, complex, address_taken, and
9246         indirect_target members. Add oldsolution member.
9247         (new_var_info): Do not initialize removed members.
9248         (constraint_expr_type): Remove INCLUDES.
9249         (constraint_graph): Add size, implicit_preds, rep,
9250         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9251         (FIRST_REF_NODE): New macro.
9252         (LAST_REF_NODE): Ditto.
9253         (FIRST_ADDR_NODE): Ditto.
9254         (find): New function.
9255         (unite): Ditto.
9256         (dump_constraint): Do not handle INCLUDES.
9257         (insert_into_complex): Do not insert duplicate constraints.
9258         (condense_varmap_nodes): Renamed and rewritten into ...
9259         (merge_node_constraints): This. Also fix bug in handling of
9260         offseted copy constraints.
9261         (clear_edges_for_node): No longer need to deal with preds at all,
9262         or removing associated preds/succs.
9263         (merge_graph_nodes): Deal with indirect_cycles.
9264         Don't deal with predecessors.
9265         (add_implicit_graph_edge): New function.
9266         (add_pred_graph_edge): Ditto.
9267         (add_graph_edge): Don't deal with predecessors.
9268         (build_constraint_graph): Removed.
9269         (build_pred_graph): New function.
9270         (build_succ_graph): Ditto.
9271         (struct scc_info): Removed in_component. Added roots, dfs, and
9272         node_mapping. Remove visited_index, unification_queue.
9273         (scc_visit): Deal with union-find we do now.
9274         Deal with cycles with REF nodes.
9275         (collapse_nodes): Renamed and rewritten to ...
9276         (unify_nodes): This.
9277         (process_unification_queue): Removed.
9278         (topo_visit): Cleanup
9279         (do_da_constraint): Use find.
9280         (do_sd_constraint): Ditto.
9281         (do_ds_constraint): Ditto.
9282         (do_complex_constraint): Ditto.
9283         (init_scc_info): Update for removed and added members.
9284         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9285         (find_indirect_cycles): This.
9286         (equivalence_class): New variable.
9287         (label_visit): New function.
9288         (perform_variable_substitution): Rewritten.
9289         (free_var_substitution_info): New function.
9290         (find_equivalent_node): Ditto.
9291         (move_complex_constraints): Ditto.
9292         (eliminate_indirect_cycles): Ditto.
9293         (solve_graph): Only propagate changed bits.
9294         Use indirect cycle elimination.
9295         Use find.
9296         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9297         (tree_id_eq): Renamed to ...
9298         (tree_vi_eq): This. Update for member change
9299         (insert_id_for_tree): Renamed and rewritten to ...
9300         (insert_vi_for_tree): This.
9301         (lookup_id_for_tree): Renamed and rewritten to ...
9302         (lookup_vi_for_tree): This.
9303         (get_id_for_tree): Renamed and rewritten to ...
9304         (get_vi_for_tree): Ditto.
9305         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9306         (process_constraint): Don't handle INCLUDES.
9307         Remove special ADDRESSOF case.
9308         (find_func_aliases): Rewrite to use vi functions instead of id
9309         ones.
9310         (create_function_info_for): Ditto.
9311         (create_variable_info_for): Ditto.
9312         (intra_create_variable_infos): Ditto.
9313         (merge_smts_into): Ditto.
9314         (find_what_p_points_to): Ditto.
9315         (init_base_vars): Ditto.
9316         (init_alias_vars): Ditto.
9317         (remove_preds_and_fake_succs): New function.
9318         (dump_sa_points_to_info): Dump new stats.
9319         (dump_solution_for_var): Use find.
9320         (set_used_smts): Fix formatting.
9321         (compute_points_to_sets): Updated for new functions.
9322         (ipa_pta_execute): Ditto.
9323
9324 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9325             Richard Sandiford  <richard@codesourcery.com>
9326
9327         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9328         parallels.
9329         * calls.c (expand_call): If the return value is a PARALLEL,
9330         extract its first member.
9331         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9332         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9333         use FUNCTION_EXTRA_EPILOGUE.
9334         (m68k_function_value): Return a PARALLEL if the return value
9335         is of a pointer type.
9336         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9337         (FUNCTION_EXTRA_EPILOGUE): Remove.
9338         * config/m68k/m68k.md (D0_REG): New constant.
9339
9340 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9341
9342         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9343         output a NOP for empty epilogues.
9344
9345 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9346
9347         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9348         before function.  Extend register save check to include all
9349         registers, not just integer ones.
9350
9351 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9352
9353         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9354         (m68k_use_return_insn): ...this.
9355         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9356         * config/m68k/m68k.c (use_return_insn): Rename to...
9357         (m68k_use_return_insn): ...this.
9358         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9359         of USE_RETURN_INSN.
9360
9361 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9362
9363         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9364         nearest even, fix denormal rounding overflow.
9365
9366 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9367
9368         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9369         f%$smove and f%$move.
9370         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9371         (extendsfdf2_cf): Use fdmove instead of f%&move.
9372         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9373         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9374
9375 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9376
9377         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9378         GPR<-GPR moves.
9379
9380 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9381
9382         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9383         (coldfire_single_format): Declare.
9384         (coldfire_double_format): Likewise.
9385         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9386         of qnan_msb_set to determine the lower bits of a canonical
9387         NaN significand.
9388         (encode_ieee_double): Likewise.
9389         (encode_ieee_quad): Likewise.
9390         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9391         (mips_single_format): Likewise.
9392         (ieee_double_format): Likewise.
9393         (mips_double_format): Likewise.
9394         (ieee_extended_motorola_format): Likewise.
9395         (ieee_extended_intel_96_format): Likewise.
9396         (ieee_extended_intel_128_format): Likewise.
9397         (ieee_extended_intel_96_round_53_format): Likewise.
9398         (ibm_extended_format): Likewise.
9399         (mips_extended_format): Likewise.
9400         (ieee_quad_format): Likewise.
9401         (mips_quad_format): Likewise.
9402         (vax_f_format): Likewise.
9403         (vax_d_format): Likewise.
9404         (vax_g_format): Likewise.
9405         (i370_single_format): Likewise.
9406         (i370_double_format): Likewise.
9407         (decimal_single_format): Likewise.
9408         (decimal_double_format): Likewise.
9409         (decimal_quad_format): Likewise.
9410         (c4x_single_format): Likewise.
9411         (c4x_extended_format): Likewise.
9412         (real_internal_format): Likewise.
9413         (coldfire_single_format): New real_format.
9414         (coldfire_double_format): Likewise.
9415         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9416         canonical_nan_lsbs_set.
9417         (pdp11_d_format): Likewise.
9418         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9419         if TARGET_COLDFIRE_CPU.
9420
9421 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9422
9423         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9424         (output_call, m68k_legitimize_call_address): Declare.
9425         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9426         parenthesees.  Add support for a 'W' constraint.
9427         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9428         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9429         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9430         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9431         variables.
9432         (override_options): Initialize them.  Do not set flag_no_function_cse
9433         for TARGET_ID_SHARED_LIBRARY.
9434         (m68k_output_pic_call): Delete.
9435         (m68k_legitimize_call_address): New function.
9436         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9437         (output_call): New function.
9438         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9439         target address from the GOT if symbolic jumps are not allowed.
9440         * config/m68k/m68k.md (call, general_operand): Do not set
9441         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9442         Merge separate flag_pic and !flag_pic define_insns into...
9443         (*call, *call_value): ...these new patterns.  Match the address
9444         rather than the containing MEM and require it to be a call_operand.
9445         Use output_call to generate the asm template.
9446         * config/m68k/predicates.md (const_call_operand): New predicate.
9447         (call_operand): Likewise.
9448
9449 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9450
9451         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9452         (STACK_GROWS_DOWNWARD): Define to 1.
9453         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9454         comments, emphasizing that these values are only defaults.
9455         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9456         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9457
9458 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9459
9460         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9461
9462 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9463             Richard Sandiford  <richard@codesourcery.com>
9464
9465         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9466         (FP_REGNO_P): New macros.
9467         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9468         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9469         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9470         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9471
9472 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9473
9474         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9475         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9476         to $tmake_file.
9477         * config/m68k/t-floatlib: New file, extracting common code from...
9478         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9479         * config/m68k/t-uclinux: Here.
9480         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9481         routines on ColdFire targets.
9482
9483 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9484
9485         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9486         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9487         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9488         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9489         explicitly set MOTOROLA to 1.
9490         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9491
9492 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9493             Nathan Sidwell  <nathan@codesourcery.com>
9494
9495         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9496         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9497         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9498         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9499         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9500         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9501         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9502         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9503         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9504         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9505         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9506         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9507         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9508         (DBX_REGISTER_NUMBER): Delete.
9509         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9510         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9511         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9512
9513 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9514
9515         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9516         * config/flat.h: New file.
9517         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9518         OBJECT_FORMAT_FLAT.
9519         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9520         indirect references for -msep-data or -mid-shared-library.
9521         Do not use PC-relative code addresses either.
9522         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9523         to -mpcrel.
9524         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9525         for shared libraries and crt1.o for executables.  Use crti.o and
9526         crtbegin.o.
9527         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9528         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9529         Do not add -elf2flt or -shared-lib-id options here.
9530         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9531         Pass -shared-lib-id if -mid-shared-library, taking the library
9532         identifier from -mshared-library-id if given, otherwise
9533         defaulting to 0.
9534         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9535         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9536         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9537         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9538         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9539         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9540         and crtend.o.
9541         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9542         jump sequence for ISA A and ISA A+.
9543         (PICJUMP): Likewise.
9544
9545 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9546
9547         * config.gcc (m68k-*-uclinux*): Base the port on the common
9548         and m68k GNU/Linux files rather than on the generic ELF ones.
9549         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9550         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9551
9552 2007-01-18  Julian Brown  <julian@codesourcery.com>
9553             Richard Sandiford  <richard@codesourcery.com>
9554
9555         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9556         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9557         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9558         before redefining.
9559         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9560         80 unconditionally.
9561         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9562
9563 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9564
9565         * doc/install.texi: Document m68k-uclinuxoldabi.
9566         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9567         * config/m68k/uclinux-oldabi.h: New file, copied from
9568         config/m68k/uclinux.h.
9569
9570 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9571
9572         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9573         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9574         (m32r_compute_frame_size): Use unsigned for regno.
9575         (m32r_reload_lr): Use gen_frame_mem.
9576         (pop): New.
9577         (m32r_output_function_epilogue): Don't output the function epilogue
9578         textually here.
9579         (m32r_expand_epilogue): New.
9580         (direct_return): Return false if the function has the interrupt
9581         attribute.
9582         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9583         * config/m32r/m32r.md (epilogue): New expander.
9584         (return_lr, return_rte): New insns.
9585         (return): Make it expander.
9586         (return_normal): New expander.
9587
9588 2007-01-18  Josh Conner  <jconner@apple.com>
9589
9590         PR target/30485
9591         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9592         support for UNLE, UNLT, UNGE, and UNGT.
9593
9594 2007-01-18  Jan Hubicka  <jh@suse.cz>
9595
9596         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9597         * tree-tailcall (add_virtual_phis): Likewise.
9598         (optimize_tail_call): Return TODOs.
9599         (execute_tail_calls): Return TODOs.
9600         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9601         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9602         changed.
9603         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9604         Cleanup cfg using TODO.
9605         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9606         * passes.c (execute_function_todo): When cleanup did something, remove
9607         unused locals.
9608         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9609         (make_edges): Don't cleanup_cfg.
9610
9611 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9612
9613         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9614         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9615         operate on the top of stack.
9616         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9617         register handling of instructions that output to the second
9618         stack slot.
9619         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9620         (move_for_stack_reg): Special-case check for dead destination
9621         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9622
9623         * config/i386/i386.md (UNSPEC_TAN): New constant.
9624         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9625         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9626         to correctly model move of constant 1.0 to top stack slot.
9627         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9628         (unnamed peephole2 pattern): Remove corresponding peephole2
9629         pattern that optimizes tan insn and loading of constant 1.0.
9630         (tanxf2): Use fptanxf4_i387.
9631         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9632         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9633         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9634         disable patterns for SSE math.
9635         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9636         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9637
9638 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9639             Richard Guenther <rguenther@suse.de>
9640
9641         PR diagnostic/8268
9642         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9643         * common.opt (Warray-bounds): Add new warning option.
9644         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9645         if -Wall is given.
9646         * Makefile.in: make tree-vrp.o depend on toplev.h
9647         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9648         is enabled.
9649         (check_array_refs, check_array_bounds, check_array_ref): New.
9650
9651 2007-01-18  Jan Hubicka  <jh@suse.cz>
9652
9653         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9654         (execute_ssa_ccp): Return flags conditionally.
9655         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9656         changed.
9657         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9658
9659 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9660
9661         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9662         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9663
9664         * Makefile.c (GTFILES): Add cfglayout.h.
9665         * gengtype.c (open_base_files): Likewise.
9666         * cfglayout.c (cfg_layout_function_footer,
9667         cfg_layout_function_header) Reindent to make gengtype happy.
9668         * cfglayout.h (cfg_layout_function_footer,
9669         cfg_layout_function_header): Add GTY(()) marker.
9670
9671         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9672
9673 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9674
9675         * genautomata.c (write_automata): Include xstrerror output in the
9676         error message if writing the DFA description file fails.
9677
9678 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9679
9680         * config/mips/mips-protos.h (mips_output_external): Make it
9681         return void.
9682         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9683         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9684         (extern_list): Likewise.
9685         (extern_head): Likewise.
9686         (TARGET_ASM_FILE_END): Likewise.
9687         (mips_file_end): Likewise.
9688         (mips_output_external): Rewritten.
9689
9690 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9691
9692         * genpreds.c (write_insn_preds_c): Only write out the function
9693         body for regclass_for_constraint if we have register constraints.
9694
9695 2007-01-17  Tom Tromey  <tromey@redhat.com>
9696
9697         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9698         * doc/install.texi (Testing): Use sourceware.org.
9699         (Binaries): Likewise.
9700         (Specific): Likewise.
9701         * doc/contrib.texi (Contributors): Use sourceware.org.
9702
9703 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9704
9705         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9706         (AVR_ENHANCED): Rename to ...
9707         (AVR_HAVE_MUL): ... new.
9708         (avr_enhanced_p): Rename to ...
9709         (avr_have_mul_p): ... new.
9710         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9711         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9712         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9713         (avr_have_mul_p): ... new.
9714         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9715         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9716         'avr_enhanced_p' and 'enhanced'.
9717         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9718         AVR_HAVE_MUL instead of AVR_ENHANCED.
9719         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9720         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9721         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9722         instead of AVR_ENHANCED.
9723         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9724         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9725         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9726
9727 2007-01-17  Ian Lance Taylor  <iant@google.com>
9728
9729         * vec.h (VEC_reserve_exact): Define.
9730         (vec_gc_p_reserve_exact): Declare.
9731         (vec_gc_o_reserve_exact): Declare.
9732         (vec_heap_p_reserve_exact): Declare.
9733         (vec_heap_o_reserve_exact): Declare.
9734         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9735         versions.
9736         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9737         negative parameter.
9738         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9739         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9740         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9741         * vec.c (calculate_allocation): Add exact parameter.  Change all
9742         callers.
9743         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9744         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9745         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9746         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9747         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9748         (vec_heap_p_reserve_exact): New function.
9749         (vec_heap_o_reserve_exact): New function.
9750
9751 2007-01-17  Jan Hubicka  <jh@suse.cz>
9752
9753         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9754
9755 2007-01-17  Eric Christopher  <echristo@apple.com>
9756
9757         * config.gcc: Support core2 processor.
9758
9759 2007-01-16  Jan Hubicka  <jh@suse.cz>
9760
9761         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9762         the names, just unlink the chain so we don't crash on dangling pointers
9763         to dead SSA names.
9764
9765 2007-01-16  Jan Hubicka  <jh@suse.cz>
9766
9767         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9768         * tree-pass.h: Reorder to make IPA passes appear toegher.
9769         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9770         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9771         parameters, do not call early inliner.
9772         * ipa-inline.c: Update comments.  Include tree-flow.h
9773         (cgraph_decide_inlining): Do not compute inlining parameters.
9774         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9775         be called with function context set up.
9776         (pass_ipa_inline): Remove unreachable functions before pass.
9777         (cgraph_early_inlining): Simplify assuming to be called from the
9778         PM as local pass.
9779         (pass_early_inline): New pass.
9780         (cgraph_gate_ipa_early_inlining): New gate.
9781         (pass_ipa_early_inline): Turn into simple wrapper.
9782         (compute_inline_parameters): New function.
9783         (gate_inline_passes): New gate.
9784         (pass_inline_parameters): New pass.
9785         (apply_inline): Move here from tree-optimize.c
9786         (pass_apply_inline): New pass.
9787         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9788         transforming.
9789         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9790         doing them by hand.
9791         (tree_function_versioning): Do not allocate dummy struct function.
9792         * tree-inline.h (optimize_inline_calls): Update prototype.
9793         * tree-optimize.c (execute_fixup_cfg): Export.
9794         (pass_fixup_cfg): Remove
9795         (tree_rest_of_compilation): Do not apply inlines.
9796         * tree-flow.h (execute_fixup_cfg): Declare.
9797         * Makefile.in (gt-passes.c): New.
9798         * passes.c: Include gt-passes.h
9799         (init_optimization_passes): New passes.
9800         (nnodes, order): New static vars.
9801         (do_per_function_toporder): New function.
9802         (execute_one_pass): Dump current pass here.
9803         (execute_ipa_pass_list): Don't dump current pass here.
9804
9805 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9806
9807         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9808         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9809
9810 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9811
9812         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9813         (strong_alias): Define.
9814         (__gcc_qmul): Provide non-FMA for soft-float.
9815         (__gcc_qdiv): Same.
9816         (__gcc_qneg): New.
9817         (__gcc_qeq): New.
9818         (__gcc_qle): New.
9819         (__gcc_qge): New.
9820         (__gcc_qunord): New.
9821         (__gcc_stoq): New.
9822         (__gcc_dtoq): New.
9823         (__gcc_qtos): New.
9824         (__gcc_qtod): New.
9825         (__gcc_qtoi): New.
9826         (__gcc_qtou): New.
9827         (__gcc_itoq): New.
9828         (__gcc_utoq): New.
9829         (fmsub): New.
9830         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9831         soft-float functions.
9832         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9833         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9834         about long double soft float.
9835
9836 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9837             Tehila Meyzels  <tehila@il.ibm.com>
9838
9839         * tree-vectorizer.h (is_pattern_stmt_p): New.
9840         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9841         formatting (tabs instead of spaces). Cleanup and clarify setting
9842         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9843         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9844         (vectorizable_type_demotion): Check that types are integral.
9845         (vectorizable_type_promotion): Likewise.
9846         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9847         comments.
9848
9849 2007-01-16  Jan Hubicka  <jh@suse.cz>
9850
9851         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9852         cgraph edges too.
9853
9854 2007-01-15  Eric Christopher  <echristo@apple.com>
9855
9856         * ifcvt.c: Include vec.h, vecprim.h.
9857         (check_cond_move_block): New argument regs.
9858         Reorganize. Add registers used to regs.
9859         (cond_move_process_if_block): Use regs set above as
9860         loop bounds.
9861
9862 2007-01-15  Eric Christopher  <echristo@apple.com>
9863
9864         * config/darwin.h: Update copyright.
9865         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9866         (LINK_COMMAND_SPEC): Add -u.
9867         (LINK_SPEC): Fix umbrella for above.
9868
9869 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9870
9871         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9872         glibc CVS.
9873
9874 2007-01-15  Tom Tromey  <tromey@redhat.com>
9875
9876         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9877         * doc/install.texi (Testing): Don't mention jacks.
9878         (Configuration): Document --enable-java-maintainer-mode.  Move
9879         --with-java-home to libgcj-specific section.  Document
9880         --with-ecj-jar.
9881         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9882
9883 2007-01-15  Jan Hubicka  <jh@suse.cz>
9884
9885         * tree-ssa-dce.c (DCE_TODOs): New.
9886         (propagate_necessity): Return if something changed.
9887         (eliminate_unnecessary_stmts): Likewise.
9888         (perform_tree_ssa_dce): Return TODO flags when needed.
9889         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9890
9891 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9892
9893         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9894         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9895         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9896         patterns using X87MODEF12 mode macro.  Extend operand 1
9897         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9898         (log10<mode>2): Ditto.
9899         (log2<mode>2): Ditto.
9900         (log1p<mode>2): Ditto.
9901         (logb<mode>2): Ditto.
9902         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9903         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9904         (*fxtractxf3_i387): Rename from *fxtractxf3.
9905         (fxtract_extend<mode>xf3_i387): New insn pattern.
9906         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9907         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9908         and gen_fyl2xxf3_i387().
9909
9910 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9911
9912         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9913         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9914         get_loop_exit_edges.  Changed return type to bool.
9915         * cfgloop.h (fix_loop_placement): Declaration removed.
9916
9917 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9918
9919         * param.h (MIN_VECT_LOOP_BOUND): New.
9920         * params.def (MIN_VECT_LOOP_BOUND): New.
9921         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9922         argument - minimum threshold for number of iterations.
9923         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9924         argument to declaration.
9925         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9926         MIN_VECT_LOOP_BOUND.
9927         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9928         slpeel_tree_peel_loop_to_edge with additional argument.
9929         (vect_do_peeling_for_alignment): Likewise.
9930         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9931
9932 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9933
9934         PR target/30413
9935         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9936         operands of size 1.
9937
9938 2007-01-14  Jan Hubicka  <jh@suse.cz>
9939
9940         * tree-dfa.c (remove_referenced_var): New function.
9941         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9942         prune referenced vars list too.
9943         * tree-flow.h (remove_referenced_var): Declare.
9944
9945 2007-01-14  Jan Hubicka  <jh@suse.cz>
9946
9947         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9948         separately.
9949         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9950         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9951         * except.h (verify_eh_throw_table_statements): Kill prototype.
9952         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9953         into call exrepssions.
9954         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9955         eh trhow verifier.
9956         * tree-cfg.c: Include pointer-set.h.
9957         (verify_node_sharing): Work on pointer set.
9958         (verify_eh_throw_stmt_node): New.
9959         (verify_stmts): Use pointers sets, verify throw_stmt.
9960
9961 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9962
9963         * ipa-reference.c (analyze_function): Consider also addresses taken
9964         in phi nodes.
9965
9966 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9967
9968         * c-typeck.c (null_pointer_constant_p): Replace use of
9969         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9970         (build_c_cast): Likewise.
9971
9972 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9973
9974         * tree.h (force_fit_type_double): Remove unused final argument.
9975         * c-common.c (constant_expression_warning): Replace use of
9976         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9977         (convert_and_check): Likewise.
9978         (shorten_compare): Update call to force_fit_type_double.
9979         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9980         * convert.c (convert_to_pointer): Update call to
9981         force_fit_type_double.
9982         * fold-const.c (force_fit_type_double): Remove overflowed_const
9983         argument.
9984         (int_const_binop, fold_convert_const_int_from_int,
9985         fold_convert_const_int_from_real, fold_div_compare,
9986         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9987         fold_abs_const, fold_not_const): Remove the final argument from
9988         calls to force_fit_type_double.
9989
9990 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9991
9992         * configure.ac: Set insn to "nop" for spu-*-* also.
9993         * configure: Regenerate.
9994
9995 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9996
9997         * builtins.def : Add BUILT_IN_FREE.
9998
9999 2007-01-12  Jan Hubicka  <jh@suse.cz>
10000
10001         PR tree-optimization/30443
10002         * tree-inline.c (tree_function_versioning): Do not optimize when
10003         cloning for inlining.
10004
10005 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10006
10007         * doc/loop.texi: Document recording of loop exits.
10008         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10009         (update_single_exits_after_duplication,
10010         update_single_exit_for_duplicated_loop,
10011         update_single_exit_for_duplicated_loops): Removed.
10012         (duplicate_loop_to_header_edge): Do not call
10013         update_single_exits_after_duplication and
10014         update_single_exit_for_duplicated_loops.
10015         (loop_version): Do not update single_exit information.
10016         (fix_loop_structure): Use record_loop_exits instead of
10017         mark_single_exit_loops.
10018         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10019         the lists of loop exits.
10020         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10021         split_edge, merge_blocks): Update the lists of loop exits.
10022         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10023         loop_optimizer_init.
10024         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10025         of mark_single_exit_loops.
10026         (loop_optimizer_finalize): Call release_recorded_exits.
10027         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10028         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10029         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10030         update single exit information.
10031         * lambda-code.c (perfect_nestify): Ditto.
10032         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10033         (mark_single_exit_loops): Removed.
10034         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10035         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10036         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10037         functions.
10038         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10039         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10040         (verify_loop_structure): Verify consistency of the exit lists.
10041         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10042         (set_single_exit): Removed.
10043         * cfgloop.h (struct loop_exit): New function.
10044         (struct loop): single_exit_ field replaced by exits field.
10045         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10046         (struct loops): Added exits hash.
10047         (mark_single_exit_loops, set_single_exit): Declaration removed.
10048         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10049
10050 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10051
10052         * doc/invoke.texi: Avoid use of @headitem.
10053
10054 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10055
10056         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10057
10058 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10059
10060         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10061         list of targets.
10062
10063 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10064             Richard Sandiford  <richard@codesourcery.com>
10065
10066         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10067         * config/m68k/m68k.opt: Resort options.
10068         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10069
10070 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10071             Richard Sandiford  <richard@codesourcery.com>
10072
10073         * doc/invoke.texi: Document the macros that are defined by
10074         m68k's -mtune and -mhard-float options.
10075         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10076         (m68k_cpp_cpu_family): Likewise.
10077         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10078         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10079         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10080         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10081         (m68k_cpp_cpu_family): Likewise.
10082
10083 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10084
10085         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10086         macros besides mc68000 as tuning macros.  Use a switch statement
10087         to set them and mcpu32.
10088
10089 2007-01-12  Julian Brown  <julian@codesourcery.com>
10090
10091         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10092         (TARGET_68040_ONLY): Rename to...
10093         (TARGET_68040): ...this.
10094         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10095         * config/m68k/m68k.md: Likewise.
10096
10097 2007-01-12  Julian Brown  <julian@codesourcery.com>
10098             Nathan Sidwell  <nathan@codesourcery.com>
10099             Richard Sandiford  <richard@codesourcery.com>
10100
10101         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10102         the -mcpu= argument associated with the --with-cpu setting.
10103         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10104         if different from the one implied by the -mcpu setting.
10105         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10106         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10107         * doc/invoke.texi: Mention ColdFire in the introduction to the
10108         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10109         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10110         -mhard-float.  Document the previously-undocumented -m5206e,
10111         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10112         documentation for consistency.
10113         * doc/install.texi: Mention new --with-cpu arguments.
10114         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10115         default CPU if neither -mcpu nor -march are specified.
10116         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10117         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10118         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10119         using m68k_tune to decide between families that implement the
10120         same ISA.  Use m68k_tune to set __mcfv4e__.
10121         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10122         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10123         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10124         (FL_ISA_C, FL_ISA_MMU): New macros.
10125         (MASK_COLDFIRE): Delete.
10126         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10127         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10128         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10129         (TARGET_HARD_FLOAT): Do not define here.
10130         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10131         (TUNE_68000): New macro.
10132         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10133         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10134         (TUNE_CFV2): Redefine in terms of m68k_tune.
10135         (uarch_type, target_device, fpu_type): New enums.
10136         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10137         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10138         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10139         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10140         (FL_FOR_isa_c): New macros.
10141         (m68k_isa): New enum.
10142         (m68k_target_selection): New structure.
10143         (all_devices, all_isas, all_microarchs): New tables.
10144         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10145         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10146         (MASK_ALL_CPU_BITS): Delete.
10147         (m68k_find_selection): New function.
10148         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10149         Map the legacy target options to a combination of the new ones.
10150         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10151         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10152         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10153         settings.
10154         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10155         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10156         properties.
10157         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10158         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10159         * config/m68k/m68k-devices.def: New file.
10160
10161 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10162             Nathan Sidwell  <nathan@codesourcery.com>
10163
10164         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10165         (SUBTARGET_EXTRA_SPECS): New macros.
10166         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10167         use %(asm_cpu_spec) instead.
10168         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10169         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10170         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10171         (EXTRA_SPECS): Rename to...
10172         (SUBTARGET_EXTRA_SPECS): ...this.
10173
10174 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10175             Richard Sandiford  <richard@codesourcery.com>
10176             Julian Brown  <julian@codesourcery.com>
10177
10178         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10179         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10180         to the configuration's default CPU.
10181         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10182         Remove default masks.
10183         (m680[012]0-*-*): Set the default with_cpu to the first part of
10184         the target name.
10185         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10186         (m68k*-*-linux): Extend the --with-cpu handling to...
10187         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10188         and m68010.  Don't set target_cpu_default2.
10189         * doc/install.texi: Document --with-cpu for m68k.
10190         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10191         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10192         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10193         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10194         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10195         (ASM_SPEC): Remove use of %(asm_cpu_default).
10196         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10197         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10198         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10199         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10200         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10201         (TARGET_DEFAULT): Delete.
10202         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10203         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10204         (CPP_CPU_SPEC): Delete.
10205         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10206         the appropriate string.
10207         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10208         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10209         (ASM_SPEC): Don't use %(asm_default_spec).
10210         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10211         TARGET_DEFAULT and add MASK_68881.
10212         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10213
10214 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10215
10216         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10217         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10218         MASK_68010 alongside MASK_68020.
10219         * doc/invoke.texi: Document -m68010.
10220         * config/m68k/m68k.opt (m68010): New.
10221         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10222         if TUNE_68010.
10223         (TUNE_68010): New macro.
10224         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10225         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10226         (M68K_CPU_m68332): Add MASK_68010.
10227         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10228         fallback definition.
10229         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10230         defines.
10231         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10232         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10233         to all entries that use MASK_68020.
10234         (output_move_simode_const, output_move_himode, output_move_qimode)
10235         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10236         instead of TARGET_68020 to select clr behavior.  Remove comment
10237         about there being no TARGET_68010.
10238         * config/m68k/m68k.md: Likewise throughout.
10239
10240 2007-01-12  Julian Brown  <julian@codesourcery.com>
10241
10242         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10243         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10244         * config/m68k/m68k.md: Likewise.
10245
10246 2007-01-12  Julian Brown  <julian@codesourcery.com>
10247
10248         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10249         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10250
10251 2007-01-12  Julian Brown  <julian@codesourcery.com>
10252
10253         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10254         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10255         * config/m68k/m68k.md: Likewise.
10256
10257 2007-01-12  Julian Brown  <julian@codesourcery.com>
10258             Richard Sandiford  <richard@codesourcery.com>
10259
10260         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10261         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10262         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10263         TARGET_CPU32.
10264         (TARGET_CPU32): Rename to...
10265         (TUNE_CPU32): ...this.
10266         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10267         (TUNE_CFV2): New macros.
10268         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10269         remove conditions that are implied by TARGET_68020.
10270         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10271         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10272         (m68k_output_function_epilogue): Likewise.
10273         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10274         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10275         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10276         non-68000 timings.  Refactor multiplication and division costs.
10277         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10278         TUNE_CPU32 instead of TARGET_CPU32.
10279         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10280         and TUNE_68060 instead of TARGET_68060.
10281         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10282         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10283         TARGET_CPU32.
10284         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10285         && !TARGET_COLDFIRE" to choose between moveq and clr.
10286         Likewise in the unnamed movsf pattern.
10287         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10288         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10289         ashiftrt pattern.
10290
10291 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10292
10293         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10294         of tabbing before backslashes.
10295
10296 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10297
10298         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10299         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10300         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10301
10302 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10303
10304         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10305         find_interesting_uses_cond.
10306         (find_interesting_uses_cond): Use extract_cond_operands.
10307         (rewrite_use_compare): Use extract_cond_operands and
10308         force_gimple_operand_bsi.  Do not call update_stmt.
10309         (determine_use_iv_cost_condition): Use extract_cond_operands.
10310         Return cheaper of using original bound and changing the exit bound.
10311
10312 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10313
10314         PR tree-optimization/29516
10315         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10316         most_expensive_mult_to_index, addr_to_parts,
10317         create_mem_ref, maybe_fold_tmr): Make the type of
10318         fields of TARGET_MEM_REF sizetype.
10319         (move_fixed_address_to_symbol, move_pointer_to_base):
10320         New functions.
10321         * tree.def (TARGET_MEM_REF): Add comment on types of
10322         the operands.
10323
10324 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10325
10326         * c-common.c (vector_types_convertible_p): Treat opaque types as
10327         always convertible if they have the same size, but not otherwise.
10328
10329 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10330
10331         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10332         Remove the b_unconditional field.
10333         (noce_try_sign_mask): Do not look at b_unconditional.
10334         (noce_process_if_block): Do not use merge_if_blocks.  Update
10335         the CFG here.  Do not set b_unconditional.
10336         (cond_move_process_if_block): Likewise.
10337         (find_cond_trap): Likewise.
10338         (check_cond_move_block): Require simple jump insns at the end
10339         of the basic block.
10340
10341 2007-01-11  Jan Hubicka  <jh@suse.cz>
10342
10343         PR tree-optimization/1046
10344         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10345         when alias info is not ready.
10346         (pass_tail_recursion): Do not require aliasing.
10347         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10348         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10349         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10350         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10351         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10352         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10353         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10354         before inlining.
10355         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10356         When aliasing is not build, mark statement as volatile.
10357
10358 2007-01-11  Tom Tromey  <tromey@redhat.com>
10359
10360         PR preprocessor/15185, PR preprocessor/20989:
10361         * doc/cppopts.texi <-MT>: Update description of algorithm for
10362         computing default target.
10363         <-M, -MD>: Reword "basename" text.
10364
10365 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10366
10367         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10368         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10369         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10370         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10371         fold_builtin_bswap, real_constp, fold_builtin_pow,
10372         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10373         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10374         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10375         * convert.c (convert_to_pointer): Likewise.
10376         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10377         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10378         const_binop, fold_convert_const_int_from_int,
10379         fold_convert_const_int_from_real,
10380         fold_convert_const_real_from_real, sign_bit_p,
10381         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10382         fold_sign_changed_comparison, fold_unary, fold_comparison,
10383         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10384         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10385         * print-tree.c (print_node_brief, print_node): Likewise.
10386         * stor-layout.c (place_field, layout_type): Likewise.
10387         * tree-chrec.c (keep_cast): Likewise.
10388         * tree.c (build_vector, build_real, build_real_from_int_cst,
10389         build_complex): Likewise.
10390
10391 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10392
10393         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10394         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10395
10396 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10397
10398         * configure.ac (strict1_warn): Rename to strict_warn.
10399         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10400         cc_set_by_configure, quoted_cc_set_by_configure,
10401         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10402         all_boot_languages, all_stagestuff): Remove.
10403         (target_list): Remove bootstrap targets.
10404         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10405         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10406         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10407         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10408         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10409         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10410         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10411         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10412         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10413         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10414         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10415         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10416         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10417         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10418         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10419         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10420         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10421         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10422         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10423         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10424         (mostlyclean): Adjust.
10425         (clean, distclean): Don't mention bootstrap stuff.
10426         * configure: Regenerate.
10427         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10428         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10429         treelang/config-lang.in (stagestuff): Remove.
10430         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10431         stageprofile, stagefeedback, stagestuff): Remove mention.
10432
10433 2007-01-11  Nick Clifton  <nickc@redhat.com>
10434
10435         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10436         Accept CONSTs.
10437         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10438         (mcore_arith_K_S_operand): Run the test for the S constraint not
10439         the test for the M constraint.
10440         (mcore_addsub_operand): Do not accept integer values that are
10441         larger than 32 bits.
10442         * config/mcore/mcore.md: Remove unused constraints from split.
10443         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10444         (addsi3): Likewise.
10445         (allocate_stack): Likewise.
10446         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10447         operands to 32 bits.
10448         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10449         INTVAL.
10450         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10451         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10452         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10453         mcore_output_bclri, mcore_output_andn, output_inline_const,
10454         mcore_output_move, mcore_output_movedouble): Likewise.
10455         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10456         (output_inline_const): Likewise.
10457         (output_inline_const): Fix format strings used in sprintf
10458         statements.
10459         * config/mcore/mcore-protos.h: Update prototypes for changed
10460         functions in mcore.c.
10461         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10462         HOST_WIDE_INT and not int.
10463         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10464         CONST_OK_FOR_N): Likewise.
10465         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10466         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10467         an INTVAL.
10468
10469 2007-01-10  Jan Hubicka  <jh@suse.cz>
10470
10471         * tree-vrp.c (remove_range_assertions): Release defs.
10472         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10473         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10474
10475 2007-01-10  Paul Brook  <paul@codesourcery.com>
10476
10477         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10478         * config/arm/arm.md (mulsi3subsi): New insn.
10479
10480 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10481
10482         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10483         (tree_transform_and_unroll_loop): New.
10484         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10485         Declare.
10486
10487 2007-01-10  Robert Kennedy <jimbob@google.com>
10488
10489         * fold-const.c (fold_comparison): Fold comparisons like (x *
10490         1000 < 0) to (x < 0).
10491
10492 2007-01-10  Ian Lance Taylor  <iant@google.com>
10493
10494         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10495         operands have the same priority.
10496
10497 2007-01-10  Tom Tromey  <tromey@redhat.com>
10498
10499         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10500         (fold_binary): Likewise.
10501         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10502         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10503         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10504         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10505         * langhooks.h (struct lang_hooks): Removed field
10506         'can_use_bit_fields_p'.
10507
10508 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10509
10510         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10511
10512 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10513
10514         * function.c (get_last_funcdef_no): New function.
10515         * function.h (get_last_funcdef_no): Declare.
10516         * tree-inline.c (initialize_cfun): Add initialization.
10517         (tree_function_versioning): Cleanup.
10518
10519 2007-01-10  Jan Hubicka  <jh@suse.cz>
10520
10521         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10522         PHIs.
10523
10524 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10525             Ben Elliston  <bje@au.ibm.com>
10526
10527         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10528         for SAVE_NONLOCAL and Pmode for any other save level.
10529         * spu-protos.h (spu_restore_stack_block): Declare.
10530         * spu.md (save_stack_block): Remove.
10531         (restore_stack_block): Call spu_restore_stack_block.
10532         * spu.c (spu_restore_stack_block): New function.
10533         (spu_expand_epilogue): Remove old comment.
10534
10535 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10536
10537         PR tree-optimization/30322
10538         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10539         (cand_value_at): Return the value as aff_tree.
10540         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10541         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10542         aff_combination_mult): New functions.
10543         (aff_combination_add): Use aff_combination_add_cst.
10544         (aff_combination_convert): Allow conversions to a wider type.
10545         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10546         * tree-affine.h (aff_combination_mult): Declare.
10547
10548 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10549
10550         * doc/tm.texi: Update documentation to reflect reality of exec
10551         and start file search behaviours. Update copyright year.
10552         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10553         header file directories.
10554
10555 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10556
10557         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10558         (*cosxf2): Rename to cosxf2_i387.
10559         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10560         using X87MODEF12 mode macro. Rename patterns to
10561         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10562         for SSE math.
10563         (*cosdf2, *cossf2): Ditto.
10564         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10565         to match extended input operands.
10566         (sincos<mode>3): New expander.
10567         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10568         insn patterns and corresponding splitters.
10569
10570 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10571
10572         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10573         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10574
10575 2007-01-09  Nicolas Pitre  <nico@cam.org>
10576
10577         PR target/30173
10578         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10579
10580 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10581
10582         * target.h (struct gcc_target): New field library_rtti_comdat.
10583         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10584         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10585         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10586         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10587
10588 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10589
10590         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10591
10592 2007-01-08  Richard Guenther  <rguenther@suse.de>
10593
10594         * tree.h (force_fit_type_double): Export.
10595         (force_fit_type): Remove.
10596         * fold-const.c (force_fit_type_double): New function.
10597         (force_fit_type): Remove.
10598         (int_const_binop): Use it.
10599         (fold_convert_const_int_from_int): Likewise.
10600         (fold_convert_const_int_from_real): Likewise.
10601         (fold_div_compare): Likewise.
10602         (fold_sign_changed_comparison): Likewise.
10603         (fold_unary): Likewise.
10604         (fold_negate_const): Likewise.
10605         (fold_abs_const): Likewise.
10606         (fold_not_const): Likewise.
10607         * c-common.c (shorten_compare): Use force_fit_type_double.
10608         * convert.c (convert_to_pointer): Likewise.
10609
10610 2007-01-08  Richard Guenther  <rguenther@suse.de>
10611
10612         * tree.h (build_int_cst_wide_type): Export.
10613         * tree.c (build_int_cst_wide_type): New function.
10614         (build_int_cst_wide): Fix comment.
10615         * builtins.c (fold_builtin_object_size): Use build_int_cst
10616         to build -1 or 0 of the correct type.  Use fit_double_type
10617         to check for overflow.
10618         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10619         to build the mask.
10620         (decode_field_reference): Likewise.
10621         (all_ones_mask_p): Likewise.
10622         (native_interpret_int): Use build_int_cst_wide_type.
10623         (fold_binary): Use build_int_cst_type to build an all-ones
10624         value.
10625         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10626
10627 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10628
10629         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10630
10631 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10632
10633         * genautomata.c (STATS_OPTION): New option.
10634         (stats_flag): New flag.
10635         (gen_automata_option): Handle it.
10636         (initiate_automaton_gen): Ditto.
10637         (write_automata): Output statistics only if stats_flag is
10638         set. Likewise, output time statistics only if time_flag is set.
10639         * doc/md.texi (Processor pipeline description): Document new flag.
10640
10641 2007-01-08  Richard Guenther  <rguenther@suse.de>
10642
10643         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10644         * tree.c (build_int_cst_type): Likewise.
10645         (size_in_bytes): Don't call force_fit_type on the result.
10646         (int_fits_type_p): Use fit_double_type.
10647         * fold-const.c (fit_double_type): New function.
10648         (force_fit_type): Use it.
10649         * tree.h (fit_double_type): Export.
10650
10651 2007-01-08  Jan Hubicka  <jh@suse.cz>
10652
10653         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10654         * ipa.c (function_and_variable_visibility): Fix return type.
10655
10656 2007-01-08  Richard Guenther  <rguenther@suse.de>
10657
10658         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10659         of offset to build the index.
10660         * tree-pretty-print.c (dump_generic_node): Don't build negated
10661         const just for printing.
10662         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10663         * builtins.c (fold_builtin_int_roundingfn): Check if result
10664         fits the type by using force_fit_type and comparing the result.
10665         * predict.c (predict_loops): Use compare_tree_int for comparison.
10666         * tree.c (build_int_cst): Fall back to integer_type_node for
10667         NULL_TREE type.
10668         (build_int_cst_wide): Assert type is non-null.
10669
10670 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10671
10672         * tree-vrp.c (extract_range_from_cond_expr): New.
10673         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10674         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10675         as expressions.
10676         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10677         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10678         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10679         used as expressions.
10680         * tree-object-size.c (cond_expr_object_size): New.
10681         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10682
10683 2007-01-08  Jan Hubicka  <jh@suse.cz>
10684
10685         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10686         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10687         statement.
10688
10689 2007-01-08  Richard Guenther  <rguenther@suse.de>
10690
10691         PR tree-optimization/23603
10692         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10693         (extract_range_from_binary): Fall back to truthvalue instead of
10694         varying for TRUTH_*_EXPR.
10695         (extract_range_from_comparison): Fall back to truthvalue instead of
10696         varying.
10697         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10698         if all visited PHI values were constant.
10699
10700 2007-01-08  Jan Hubicka  <jh@suse.cz>
10701
10702         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10703         (cgraph_analyze_function): break out from ...
10704         (cgraph_finalize_compilation_unit): ... here.
10705         (cgraph_expand_function): Remove forgoten commented out line.
10706         (cgraph_optimize): Analyze functions.
10707
10708 2007-01-08  Jan Hubicka  <jh@suse.cz>
10709
10710         * tree-pas.h (TODO_remove_function): New flag.
10711         (TODO_update*): Renumber.
10712         (pass_ipa_increase_alignment,
10713         pass_ipa_function_and_variable_visibility): New passes.
10714         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10715         (cgraph_function_and_variable_visibility): Move to ipa.c
10716         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10717         cgraph_increase_alignment.
10718         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10719         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10720         calling tree-inline.
10721         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10722         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10723         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10724         (gate_increase_alignment): New function.
10725         (pass_ipa_increase_alignment): New pass.
10726         * ipa.c: Inline tree-pass.h and timevar.h
10727         (function_and_variable_visibility): Move here from cgraphunit.c
10728         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10729         * passes.c (init_optimization_passes): Add the two new passes.
10730         (execute_todo): Handle cgraph_remove_functions.
10731
10732 2007-01-08  Nick Clifton  <nickc@redhat.com>
10733
10734         * config/frv/predicates.md (reg_or_0_operand): Accept
10735         CONST_DOUBLEs.
10736
10737 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10738
10739         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10740         * config.gcc: Add bfin*-rtems*.
10741
10742 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10743
10744         * c.opt: Add -flax-vector-conversions.
10745         * c-typeck.c (convert_for_assignment): Pass flag to
10746         vector_types_convertible_p to allow emission of note.
10747         (digest_init): Likewise.
10748         * c-opts.c: Handle -flax-vector-conversions.
10749         * c-common.c (flag_lax_vector_conversions): New.
10750         (vector_types_convertible_p): Unless -flax-vector conversions
10751         has been passed, disallow conversions between vectors with
10752         differing numbers of subparts and/or element types.  If such
10753         a conversion is disallowed, possibly emit a note on the first
10754         occasion only to inform the user of -flax-vector-conversions.
10755         The new last argument specifies this.
10756         * c-common.h (flag_lax_vector_conversions): New.
10757         (vector_types_convertible_p): Add extra argument.
10758         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10759         char_type_node for V*QI type vectors.
10760         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10761         Update to satisfy new typechecking rules.
10762         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10763         C and C++ variants.
10764         * doc/invoke.texi (C Dialect Options): Document
10765         -flax-vector-conversions.
10766
10767 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10768
10769         PR tree-optimization/29877
10770         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10771         a register variable on the RHS to not be replaceable.
10772
10773 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10774         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10775         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10776         const_simm15, const_pow2, const_npow2): Added.
10777         * config/score/misc.md (insv, extv, extzv, movmemsi,
10778         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10779         * config/score/score.c (score_address_cost, score_select_cc_mode):
10780         Added.
10781         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10782         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10783         Update score_print_operand.
10784         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10785         Adjust register allocate order and update some macro define.
10786         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10787         mdx_block_move_straight, mdx_block_move_loop_head,
10788         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10789         mdx_block_move): Added.
10790         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10791         mdp_limm): Updated and fix some bug and typo.
10792         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10793         (movsf, movdf, doloop_end): Added.
10794
10795 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10796
10797         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10798         config/arm/thumb2.md: Fix comment typos.
10799         * doc/extend.texi: Fix a typo.
10800
10801 2007-01-07  Eric Christopher  <echristo@apple.com>
10802
10803         * configure.ac: Check for __stack_chk_fail for darwin.
10804         * configure: Regenerate.
10805
10806 2007-01-07  Richard Guenther  <rguenther@suse.de>
10807
10808         * tree-vrp.c (extract_range_from_assert): CSE calls to
10809         compare_values where possible.
10810         (extract_range_from_unary_expr): Likewise.
10811
10812 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10813
10814         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10815         * config/avr/avr.c (call_insn_operand): Delete function.
10816         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10817         instead of register number. Use predicates.
10818         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10819         call_insn_operand): Add.
10820
10821 2007-01-06  Jan Hubicka  <jh@suse.cz>
10822
10823         * tree-pass.h (pass_build_cgraph_edges): Declare.
10824         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10825         (visited_nodes): Remove.
10826         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10827         build_cgrpah_edges; make visited_nodes local.
10828         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10829         (record_references_in_initializer): Move to cgraphbuild.c
10830         (initialize_inline_failed, rebuild_cgraph_edges,
10831         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10832         (verify_cgraph_node): Make visited_nodes local.
10833         (cgraph_analyze_function): Do not call cgraph_create_edges and
10834         initialize_inline_failed.
10835         (cgraph_expand_function): Do not call cgraph_lower_function;
10836         assert that function is already lowered.
10837         * Makefile.in (cgraphbuild.o): New.
10838         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10839         at the end of lowering passes.
10840
10841 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10842
10843         * ifcvt.c (cond_move_convert_if_block): New function, code
10844         factored out from...
10845         (cond_move_process_if_block): ...here.  Call the new function
10846         on the THEN and ELSE blocks.
10847         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10848         already takes care of this.
10849
10850 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10851
10852         PR c/19978
10853         * tree.h (TREE_OVERFLOW_P): New.
10854         * c-typeck.c (parser_build_unary_op): Warn only if result
10855         overflowed and operands did not.
10856         (parser_build_binary_op): Likewise.
10857         (convert_for_assignment): Remove redundant overflow_warning.
10858         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10859
10860 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10861
10862         * c-typeck.c (store_init_value): Split over two lines to follow
10863         the GNU coding style.
10864
10865 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10866
10867         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10868         __GXX_EXPERIMENTAL_CXX0X__.
10869         * doc/cpp.texi: Same.
10870
10871 2007-01-05  Richard Guenther  <rguenther@suse.de>
10872
10873         PR middle-end/27826
10874         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10875         with mismatched types.  Instead explicitly build a
10876         conversion NOP_EXPR.
10877
10878 2007-01-05  Ian Lance Taylor  <iant@google.com>
10879
10880         * c-common.c (decl_with_nonnull_addr_p): New function.
10881         (c_common_truthvalue_conversion): Call it.
10882         * c-typeck.c (build_binary_op): Likewise.
10883         * c-common.h (decl_with_nonnull_addr_p): Declare.
10884
10885 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10886
10887         PR c/30360
10888         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10889         denom against 0.0.
10890
10891 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10892
10893         * doc/install.texi (Final install): Document the fact that
10894         the GNAT runtime should not be stripped.
10895
10896 2007-01-04  Jan Hubicka  <jh@suse.cz>
10897
10898         * tree-inline.c (fold_marked_statements): Update operand caches
10899         and EH after folding
10900
10901 2007-01-04  Ian Lance Taylor  <iant@google.com>
10902
10903         * c-common.c (check_function_nonnull): Whitespace fix.
10904
10905 2007-01-04  Jan Hubicka  <jh@suse.cz>
10906
10907         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10908         comitted older version of patch.
10909         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10910         function, celanup cfg and collect garbage.
10911
10912 2007-01-04  Mike Stump  <mrs@apple.com>
10913
10914         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10915         (clean): Likewise.
10916
10917 2007-01-04  Eric Christopher  <echristo@apple.com>
10918
10919         * libgcc2.c (__bswapsi2): Use SItype.
10920         (__bswapdi2): Use DItype.
10921         * libgcc2.h: Update for above.
10922
10923 2007-01-04  Paul Brook  <paul@codesourcery.com>
10924
10925         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10926         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10927         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10928         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10929         umulsi3_highpart): Make conditional on !arm_arch6.
10930         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10931         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10932         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10933         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10934         umulsi3_highpart_v6): New insns.
10935
10936 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10937
10938         * fold-const.c (fold_convert): When casting an expression to void,
10939         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10940         have a type.  Instead of attempting to build a NOP_EXPR, return
10941         these "special" trees directly.
10942
10943 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10944
10945         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10946         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10947         rs6000_cost->fp not 0 as adjustment for outer NEG.
10948
10949 2007-01-04  Jan Hubicka  <jh@suse.cz>
10950
10951         * cgraph.c (cgraph_release_function_body): New function.
10952         (cgraph_remove_node): Use it.
10953         * cgraph.h (cgraph_release_function_body): Declare.
10954         * cgraphunit.c (cgraph_expand_function): Use it.
10955         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10956         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10957         is initialized and while compilation of other function is running.
10958         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10959         statement CFG annotations from here to ...
10960         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10961
10962 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10963
10964         * cfgloop.h (enum li_flags): Make the constants powers of two.
10965
10966 2007-01-04  Jan Hubicka  <jh@suse.cz>
10967
10968         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10969         set.
10970         (fold_marked_statements): New function.
10971         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10972         * tree-inline.h (copy_body_data): Add statements_to_fold.
10973
10974 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10975
10976         * config.gcc: Mention libgcc/config.host.
10977         * Makefile.in: Update comments mentioning libgcc.
10978         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10979         (all.cross, start.encap, rest.encap, rest.cross): Update
10980         dependencies for libgcc move.
10981         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10982         (clean-target, clean-target-libgcc): Delete.
10983         (srcdirify, GCC_EXTRA_PARTS): New macros.
10984         (libgcc-support, libgcc.mvars): New rules.
10985         (distclean): Remove mention of mklibgcc.
10986         (install): Don't reference INSTALL_LIBGCC.
10987         (install-common): Don't reference EXTRA_PARTS.
10988         (install-libgcc, install-multilib): Delete rules.
10989         * mklibgcc.in: Delete file.
10990         * doc/configfiles.texi: Don't mention mklibgcc.
10991
10992         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10993         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10994         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10995         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10996         (mklibgcc, ldblspecs): Likewise.
10997
10998         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10999         (posixpre.def): Use $(T).
11000         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11001         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11002         (SHLIB_LINK): Make dummy.
11003         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11004
11005         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11006
11007         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11008         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11009         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11010         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11011
11012         * configure.ac (all_outputs): Remove mklibgcc.
11013         * configure: Regenerated.
11014
11015 2007-01-03  Josh Conner  <jconner@apple.com>
11016
11017         PR middle-end/29683
11018         * calls.c (compute_argument_addresses): Set stack and stack_slot
11019         for partial args, too.
11020         (store_one_arg): Use locate.size.constant for the size when
11021         generating a save_area.
11022
11023 2007-01-03  Robert Kennedy <jimbob@google.com>
11024
11025         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11026         whose definitions are deleted due to basic block merging.
11027
11028 2007-01-03  Paul Brook  <paul@codesourcery.com>
11029
11030         PR target/16634
11031         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11032         functions.
11033         (use_return_insn): Return 0 for Thumb interrupt functions.
11034         (print_multi_reg): Add rfe argument for IRQ returns.
11035         (arm_output_epilogue): Pop interrupt return address directly into PC.
11036         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11037
11038 2007-01-03  Paul Brook  <paul@codesourcery.com>
11039
11040         Merge from sourcerygxx-4_1.
11041         * config/arm/thumb2.md: New file.
11042         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11043         Thumb-2.
11044         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11045         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11046         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11047         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11048         tables.
11049         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11050         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11051         comptibility.
11052         * config/arm/ieee754-sf.S: Ditto.
11053         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11054         (thumb1_base_register_rtx_p): ... to this.
11055         (thumb_index_register_rtx_p): Rename...
11056         (thumb1_index_register_rtx_p): ... to this.
11057         (thumb_output_function_prologue): Rename...
11058         (thumb1_output_function_prologue): ... to this.
11059         (thumb_legitimate_address_p): Rename...
11060         (thumb1_legitimate_address_p): ... to this.
11061         (thumb_rtx_costs): Rename...
11062         (thumb1_rtx_costs): ... to this.
11063         (thumb_compute_save_reg_mask): Rename...
11064         (thumb1_compute_save_reg_mask): ... to this.
11065         (thumb_final_prescan_insn): Rename...
11066         (thumb1_final_prescan_insn): ... to this.
11067         (thumb_expand_epilogue): Rename...
11068         (thumb1_expand_epilogue): ... to this.
11069         (arm_unwind_emit_stm): Rename...
11070         (arm_unwind_emit_sequence): ... to this.
11071         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11072         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11073         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11074         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11075         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11076         thumb2_output_casesi): New functions.
11077         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11078         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11079         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11080         THUMB2_WORK_REGS): Define.
11081         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11082         arm_condexec_mask, arm_condexec_masklen)): New variables.
11083         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11084         (arm_override_options): Check new CPU capabilities.
11085         Set new architecture flag variables.
11086         (arm_isr_value): Handle v7m interrupt functions.
11087         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11088         Thumb-2.
11089         (const_ok_for_arm): Handle Thumb-2 constants.
11090         (arm_gen_constant): Ditto.  Use movw when available.
11091         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11092         functions.
11093         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11094         (thumb_find_work_register, arm_load_pic_register,
11095         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11096         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11097         print_multi_reg, output_mov_long_double_fpa_from_arm,
11098         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11099         output_mov_double_fpa_from_arm, output_move_double,
11100         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11101         output_return_instruction, arm_output_function_prologue,
11102         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11103         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11104         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11105         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11106         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11107         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11108         '!' and 'L'.
11109         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11110         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11111         (arm_file_start): Output directive for unified syntax.
11112         (arm_unwind_emit_set): Handle stack alignment instruction.
11113         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11114         Add v6t2, v7, v7a, v7r and v7m.
11115         (RETLDM): Add Thumb-2 code.
11116         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11117         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11118         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11119         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11120         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11121         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11122         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11123         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11124         ADJUST_INSN_LENGTH): Define.
11125         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11126         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11127         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11128         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11129         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11130         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11131         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11132         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11133         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11134         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11135         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11136         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11137         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11138         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11139         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11140         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11141         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11142         cortex-m3.
11143         * config/arm/arm-tune.md: Regenerate.
11144         * config/arm/arm-protos.h: Update prototypes.
11145         * config/arm/vfp.md: Enable patterns for Thumb-2.
11146         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11147         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11148         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11149         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11150         * config/arm/libunwind.S: Add Thumb-2 code.
11151         * config/arm/constraints.md: Update include Thumb-2.
11152         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11153         * config/arm/ieee754-df.S: Ditto.
11154         * config/arm/bpabi.S: Ditto.
11155         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11156         * config/arm/predicates.md (low_register_operand,
11157         low_reg_or_int_operand, thumb_16bit_operator): New.
11158         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11159         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11160         * config/arm/t-arm-elf: Add armv7 multilib.
11161         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11162         Include thumb2.md.
11163         (UNSPEC_STACK_ALIGN, ce_count): New.
11164         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11165         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11166         insns/expanders.
11167         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11168         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11169         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11170         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11171         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11172         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11173         insns.
11174         * doc/extend.texi: Document ARMv7-M interrupt functions.
11175         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11176
11177 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11178
11179         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11180         (struct _Unwind_Context): Rename args_size to flags, remove
11181         signal_frame field, add a new args_size field and version field.
11182         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11183         _Unwind_IsExtendedContext): New inline functions.
11184         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11185         Assume by_value array is only present if _Unwind_IsExtendedContext.
11186         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11187         _Unwind_IsSignalFrame.
11188         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11189         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11190         (uw_init_context_1): Initialize context->flags to
11191         EXTENDED_CONTEXT_BIT.
11192         * config/rs6000/linux-unwind.h (frob_update_context): Use
11193         _Unwind_SetSignalFrame.
11194
11195 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11196
11197         PR middle-end/30353
11198         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11199         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11200         the value.
11201
11202 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11203
11204         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11205         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11206         RET, AT_SP): Remove.
11207         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11208         instead of RET.
11209
11210         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11211         * cfgbuild.c (find_basic_blocks): Likewise.
11212         * cfgrtl.c (rtl_create_basic_block): Likewise.
11213         * function.c (temp_slots_at_level): Likewise.
11214         * reg-stack.c (stack_regs_mentioned): Likewise.
11215         * regclass.c (allocate_reg_info): Likewise.
11216         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11217         set_bb_for_stmt, move_block_to_fn): Likewise.
11218         * tree-complex.c (tree_lower_complex): Likewise.
11219         * vec.h (VEC_safe_grow_cleared): New.
11220
11221         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11222
11223 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11224
11225         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11226         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11227         to loop_version.
11228         * cfgloopmanip.c (scale_loop_frequencies): Export.
11229         (loopify): Scale the frequencies by prescribed coefficients.
11230         (set_zero_probability): New function.
11231         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11232         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11233         and frequencies according to arguments.
11234         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11235         correctly.
11236         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11237         * modulo-sched.c (sms_schedule): Set probabilities for entering
11238         versioned loop correctly.
11239         * tree-vect-transform.c (vect_transform_loop): Ditto.
11240         * cfgloop.h (loopify, loop_version): Declaration changed.
11241         (scale_loop_frequencies): Declared.
11242
11243 2007-01-02  Jan Hubicka  <jh@suse.cz>
11244
11245         * cgraph.c: Include tree-flow.h
11246         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11247         early_local_passes.
11248         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11249         * tree-pass.h (pass_all_early_optimizations): Declare.
11250         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11251         early_local_passes.
11252         (cgraph_analyze_function): Do early_local_passes.
11253         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11254         Do not add referenced vars.
11255         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11256         SSA form.
11257         (gate_all_early_local_passes): New gate.
11258         (pass_early_local_passes): Use new gate.
11259         (execute_early_local_optimizations): New functions.
11260         (gate_all_early_optimizations): New gate.
11261         (pass_all_early_optimizations): New pass.
11262         (execute_free_datastructures): Free SSA only when initialized.
11263         (gate_init_datastructures): Init only when optimizing.
11264         (tree_lowering_passes): Do early local passes when called late.
11265         * tree-profile.c (do_tree_profiling): Don't profile functions added
11266         late.
11267         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11268         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11269         not active.
11270         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11271         during early_local_passes.
11272         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11273
11274
11275 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11276
11277         * Makefile.in: Update copyright year.
11278
11279 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11280
11281         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11282         in $(lang_checks) and check-consistency targets.
11283
11284 2007-01-02  Jan Hubicka  <jh@suse.cz>
11285
11286         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11287         Do not add referenced vars.
11288         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11289         are not active.
11290         * passes.c (init_optimization_passes): Put mudflap_2 after
11291         free_datastructures.
11292
11293 2007-01-02  Jan Hubicka  <jh@suse.cz>
11294
11295         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11296         Set NOTHROW flag on call statements proved to be nothrow.
11297         Update statement of local calls so new pure/const functions are
11298         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11299         goto receivers.
11300         (tree_rest_of_compilation): Register hooks and initialize bitmap
11301         early. Do not set after_inlining flag.
11302
11303 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11304
11305         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11306         HOST_BITS_PER_LONGLONG
11307
11308 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11309
11310         PR c/19977
11311         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11312         warning for non-static initializers.
11313
11314 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11315
11316         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11317         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11318         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11319         Always use set_unique_reg_note to add REG_EQUAL notes.
11320
11321 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11322
11323         Revert:
11324         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11325
11326         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11327         * cfgbuild.c (find_basic_blocks): Likewise.
11328         * cfgrtl.c (rtl_create_basic_block): Likewise.
11329         * function.c (temp_slots_at_level): Likewise.
11330         * reg-stack.c (stack_regs_mentioned): Likewise.
11331         * regclass.c (allocate_reg_info): Likewise.
11332         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11333         set_bb_for_stmt, move_block_to_fn): Likewise.
11334         * tree-complex.c (tree_lower_complex): Likewise.
11335         * vec.h (VEC_safe_grow_cleared): New.
11336
11337 2007-01-02  Ian Lance Taylor  <iant@google.com>
11338
11339         * c-common.c (c_common_truthvalue_conversion): When warning about
11340         using an assignment as a truth value, set TREE_NO_WARNING.
11341
11342 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11343
11344         PR middle-end/7651
11345         * c.opt (Wold-style-declaration): New.
11346         * doc/invoke.texi (C-only Warning Options): New.
11347         (Wold-style-declaration): Document it.
11348         (Wextra): Enabled by -Wextra.
11349         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11350         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11351         -Wold-style-declaration.
11352
11353 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11354
11355         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11356         * cfgbuild.c (find_basic_blocks): Likewise.
11357         * cfgrtl.c (rtl_create_basic_block): Likewise.
11358         * function.c (temp_slots_at_level): Likewise.
11359         * reg-stack.c (stack_regs_mentioned): Likewise.
11360         * regclass.c (allocate_reg_info): Likewise.
11361         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11362         set_bb_for_stmt, move_block_to_fn): Likewise.
11363         * tree-complex.c (tree_lower_complex): Likewise.
11364         * vec.h (VEC_safe_grow_cleared): New.
11365
11366 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11367
11368         * c-common.c (c_common_nodes_and_builtins): Since variants of
11369         void_type_node get built before it is given a name, we need to
11370         give those variants the name, too.
11371         (complete_array_type): We need to work with the canonical main
11372         type of the array, from which we will build the qualified version.
11373         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11374         * print-tree.c (print_node): Display canonical type information
11375         for each type.
11376         * stor-layout.c (layout_type): When we don't know the
11377         alignment of a type for which we're building an array, we end up
11378         guessing wrong, so make the type require structural equality.
11379         * tree.c (make_node_stat): When we build a new type, it is its
11380         own canonical type.
11381         (build_type_attribute_qual_variant): When building an attribute
11382         variant, its canonical type is the non-attribute variant. However,
11383         if the attributes are target-dependent and they differ, we need to
11384         use structural equality checks for this type.
11385         (build_qualified_type): A qualified type is not equivalent to its
11386         unqualified variant; set the canonical type appropriately.
11387         (build_distinct_type_copy): When building a distinct type from
11388         another type, the new type is its own canonical type.
11389         (build_variant_type_copy): When building a new type variant, we
11390         assume that it is equivalent to the original type.
11391         (build_pointer_type_for_mode): When building a pointer type, also
11392         build a canonical type pointer.
11393         (build_reference_type_for_mode): When building a reference type,
11394         also build a canonical type reference.
11395         (build_index_type): When we can't hash an index type (e.g.,
11396         because its maximum value is negative), the index type requires
11397         structural equality tests.
11398         (build_array_type): Build the canonical form of an array type.
11399         (build_function_type): Function types require structural equality,
11400         because they contain default arguments, attributes, etc.
11401         (build_method_type_directly): Ditto for method types.
11402         (build_offset_type): Build the canonical offset type.
11403         (build_complex_type): Build the canonical vector type.
11404         (make_vector_type): Build the canonical vector type.
11405         * tree.h (TYPE_CANONICAL): New.
11406         (TYPE_STRUCTURAL_EQUALITY_P): New.
11407         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11408         (struct tree_type): Added "canonical" field.
11409         * params.h (VERIFY_CANONICAL_TYPES): New.
11410         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11411         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11412         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11413         * doc/invoke.texi (verify-canonical-types): Document --param
11414         parameter for verifying canonical types.
11415
11416 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11417
11418         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11419         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11420         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11421         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11422         tm_file.
11423         * config/rs6000/e500.h: New.
11424         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11425         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11426         Remove.
11427         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11428         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11429         TARGET_E500_DOUBLE): Remove.
11430         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11431         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11432         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11433         * config/rs6000/rs6000.c (rs6000_override_options): Use
11434         CHECK_E500_OPTIONS.
11435
11436 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11437
11438         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11439         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11440         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11441         rs6000_emit_cmove): Don't check TARGET_E500.
11442         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11443         sordered): Don't check TARGET_E500.
11444
11445 2007-01-01  Eric Christopher  <echristo@apple.com>
11446
11447         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11448         HARD_REGISTER_NUM_P.
11449
11450 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11451
11452         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11453         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11454         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11455         eq/ne Y".
11456
11457 2007-01-01  Mike Stump  <mrs@apple.com>
11458
11459         * configure.ac: Remove support for building with Apple's gcc-3.1.
11460
11461 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11462
11463         PR middle-end/30311
11464         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11465         REG is a hard register.  Do not modify REG before calling
11466         subreg_nregs.
11467         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11468         multiple of the size of YMODE for certain lowpart cases.
11469
11470 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11471
11472         PR middle-end/30253
11473         * gimplify (voidify_wrapper_expr): Update for
11474         GIMPLE_MODIFY_STMT.
11475
11476 2007-01-01  Andreas Schwab  <schwab@suse.de>
11477
11478         PR target/29166
11479         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11480         save of BR0 in extra_spill_size instead of spill_size.
11481         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11482         area.
11483         (ia64_expand_epilogue): Restore BR0 from its new location.
11484
11485 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11486
11487         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11488         Use a temporary variable if the left hand side is not a gimple
11489         register.
11490
11491 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11492
11493         * gimplify.c (gimplify_return_expr): Make the temporary variable
11494         for the return expression, a gimple register variable.
11495
11496 2007-01-01  Jan Hubicka  <jh@suse.cz>
11497
11498         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11499         INSN_LIST.
11500
11501 2007-01-01  Mike Stump  <mrs@apple.com>
11502
11503         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11504         .literal16.
11505         * config/darwin.c (machopic_select_rtx_section): Use
11506         HAVE_GAS_LITERAL16.
11507         (darwin_mergeable_constant_section): Likewise.
11508         * configure: Regenerate.
11509         * config.in: Regenerate.
11510
11511 2007-01-01  Jan Hubicka  <jh@suse.cz>
11512             Andrew Pinski  <pinskia@gmail.com>
11513
11514         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11515         before starting IPA passes.