gcc/ChangeLog

   1 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         PR tree-optimization/24659
   4         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
   5         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
   6         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
   7         * genopinit.c (optabs): Rename vec_pack_mod_optab
   8         to vec_pack_trunc_optab.
   9         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
  10         early for scalar floating point operands for NOP_EXPR.
  11         (vectorizable_type_promotion): Ditto.
  12         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
  13         vec_pack_trunc_optab.
  14         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
  15
  16         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
  17         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
  18         Rename from VEC_PACK_MOD_EXPR.
  19         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
  20         * expr.c (expand_expr_real_1): Ditto.
  21         * tree-inline.c (estimate_num_insns_1): Ditto.
  22         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
  23
  24         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
  25         (vec_unpacks_lo_v4sf): Ditto.
  26         (vec_pack_trunc_v2df): Ditto.
  27         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
  28         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
  29         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
  30
  31         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
  32         vec_pack_mod_v8hi.
  33         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
  34
  35         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
  36         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
  37         packing of floating point operands.
  38         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
  39         represent unpacking of floating point operands.
  40         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
  41         [vec_unpacks_hi]: Ditto.
  42         [vec_unpacks_lo]: Ditto.
  43
  44 2007-04-22  Jan Hubicka  <jh@suse.cz>
  45
  46         * final.c (rest_of_handle_final): Call
  47         targetm.asm_out.constructor/targetm.asm_out.destructor
  48         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
  49         proper priority via decl_*_priority_insert.
  50         * c-common.c (c_expand_body): Likewise.
  51
  52 2007-04-22  Richard Guenther  <rguenther@suse.de>
  53
  54         PR tree-optimization/29789
  55         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
  56         (rewrite_reciprocal): New helper split out from
  57         determine_invariantness_stmt.
  58         (rewrite_bittest): Likewise.
  59         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
  60         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
  61         is not.
  62
  63 2007-04-22  Revital Eres  <eres@il.ibm.com>
  64
  65         * loop-unroll.c (var_to_expand): New field to support also
  66         insns of the form x = something + x.
  67         (analyze_insn_to_expand_var): Use it.
  68         (expand_var_during_unrolling): Likewise.
  69
  70 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
  71
  72         * predict.c: Include pointer-set.h.
  73         (bb_predictions): New variable.
  74         (tree_predicted_by_p, tree_predict_edge,
  75         remove_predictions_associated_with_edge): Use bb_predictions map
  76         instead of bb->predictions.
  77         (clear_bb_predictions, assert_is_empty): New functions.
  78         (combine_predictions_for_bb): Use bb_predictions map.  Call
  79         clear_bb_predictions.
  80         (tree_estimate_probability): Create and free bb_predictions map.
  81         * Makefile.in (predict.o): Add pointer-set.h dependency.
  82         * basic-block.h (struct basic_block_def): Remove predictions
  83         field.
  84         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
  85
  86 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
  87
  88         PR target/31480
  89         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
  90         is null.
  91
  92 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  93
  94         * timevar.c (timevar_print): Change reference of --disable-checking to
  95         --enable-checking=release.  Also warn if assert checking is disabled.
  96
  97 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  98
  99         PR C/30265
 100         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
 101         decl as addressable if the compound literal was marked as
 102         addressable.
 103         Mark the decl as a gimple register if it is a complex or
 104         vector decl and does not live in memory.
 105
 106 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 107
 108         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
 109         (GENERIC_NEXT): New function macro.
 110         (PHI_CHAIN): Use phi_node's new chain variable.
 111         (tree_phi_node): Change tree_common to tree_base
 112         and add the chain field.
 113         * tree-phinodes.c (make_phi_node): Don't set
 114         TREE_TYPE on the new node.
 115         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
 116         instead of checking GIMPLE_TUPLE_P in chain_next.
 117         * tree-vect-transform.c
 118         (get_initial_def_for_induction): Look at
 119         PHI_RESULT_TREE for the type of the phi node.
 120         (update_vuses_to_preheader): Use PHI_CHAIN
 121         instead of TREE_CHAIN on the phi node.
 122         * tree-ssa-structalias.c (compute_points_to_sets):
 123         Likewise.
 124         (ipa_pta_execute): Likewise.
 125
 126 2007-04-21  Richard Guenther  <rguenther@suse.de>
 127
 128         PR middle-end/31136
 129         * fold-const.c (fold_unary): Call fold_convert_const on the
 130         original tree.
 131
 132 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
 133
 134         * gcse.c (store_killed_in_insn): Handle PARALLELs.
 135         (store_killed_in_pat): New.
 136
 137 2007-04-20  Richard Henderson  <rth@redhat.com>
 138
 139         PR target/31628
 140         * config/i386/i386.c (type_has_variadic_args_p): Look for any
 141         TREE_LIST with a void_type_node value, not void_list_node exactly.
 142
 143 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
 144
 145         * doc/standards.texi: Re-arrange into language-specific
 146         subsections. Add a C++ section, documenting which standards we
 147         support.
 148
 149 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
 150
 151         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
 152         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
 153
 154 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
 155
 156         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
 157         ecrti.o and crtbegin.o.
 158         (LIB_DEFAULT_SPEC): Include -lc.
 159         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
 160
 161 2007-04-20  Richard Henderson  <rth@redhat.com>
 162
 163         PR target/28623
 164         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
 165         argument; update all callers.
 166         (get_unaligned_offset): New.
 167         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
 168         get_unaligned_address, just pass on the address directly.
 169         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
 170         the subreg in the helper patterns.
 171         (unaligned_extendqidi_le): Use get_unaligned_offset.
 172         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
 173         (unaligned_extendhidi_be): Likewise.
 174         (unaligned_extendhidi): Tidy.
 175         * config/alpha/alpha-protos.h: Update.
 176
 177 2007-04-20  Richard Henderson  <rth@redhat.com>
 178
 179         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
 180         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
 181         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
 182         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 183         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 184         (CPP_SPEC): Don't include %(cpp_subtarget).
 185         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
 186         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
 187         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
 188
 189 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
 190
 191         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
 192         for __builtin_ia32_cmpordss.
 193
 194         PR tree-optimization/31632
 195         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
 196         and arg1 for optimizations of comparison against min/max values.
 197         Fold arg0 to arg1's type for optimizations of comparison against
 198         min+1 and max-1 values.
 199
 200 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 201
 202         * reload.c (combine_reloads): When trying to use a dying register,
 203         check whether it's uninitialized and don't use if so.
 204
 205 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
 206
 207         * fold-const.c: Remove prototypes for native_encode_expr and
 208         native_interpret_expr.
 209         (native_encode_expr): Make non-static.
 210         (native_interpret_expr): Likewise.
 211         * tree.h: Add prototypes for the above.
 212
 213 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
 214
 215         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
 216         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
 217         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
 218         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
 219         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
 220         Add length attributes.
 221
 222 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
 223
 224         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
 225         not that it is 1.
 226
 227         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
 228         __STDC_WANT_DEC_FP__.
 229
 230 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
 231
 232         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
 233         for long double compatibility.
 234         * configure: Regenerate.
 235
 236 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
 237
 238         PR rtl-optimization/29841
 239         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
 240         trap instructions.
 241         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
 242         that may cause control flow transfer from being moved.
 243
 244 2007-04-18  Jan Hubicka  <jh@suse.cz>
 245
 246         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
 247         types.
 248
 249 2007-04-18  Eric Christopher  <echristo@apple.com>
 250
 251         * config/rs6000/darwin.md (load_macho_picbase): Use link register
 252         only. Update operands.
 253         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
 254         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
 255         link register to pic register.
 256
 257 2007-04-18  Dirk Mueller  <dmueller@suse.de>
 258
 259         PR diagnostic/31227
 260         * tree-vrp.c (search_for_addr_array): New.
 261         (check_array_bounds): Suppress warning about
 262         address taken of array refs if its not de-referenced.
 263
 264 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 265
 266         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
 267         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
 268
 269         * tree-vectorizer.h (NITERS_KNOWN_P): New.
 270         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
 271         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
 272
 273         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
 274         dump print.
 275         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
 276         print message.
 277         (vect_analyze_scalar_cycles): Fix indentation.
 278         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
 279         (vect_mark_relevant): Include phis in relevance analysis.
 280
 281         * tree-vect-transform.c (vect_transform_loop): Add an assert.
 282
 283 2007-04-18  Anatoly Sokolov <aesok@post.ru>
 284
 285         * config/avr/avr.c (ptrreg_to_str): Replace error() with
 286         output_operand_lossage().
 287
 288 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 289
 290         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
 291         the unused code for reduction without adjust-in-epilog to simplify the
 292         function.
 293
 294 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
 295
 296         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
 297         (S390_TDC_NEGATIVE_ZERO): New constant.
 298         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
 299         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
 300         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
 301         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
 302         (S390_TDC_POSITIVE_INFINITY): New constant.
 303         (S390_TDC_NEGATIVE_INFINITY): New constant.
 304         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
 305         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
 306         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
 307         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
 308         (S390_TDC_INFINITY): New constant.
 309         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
 310         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
 311         optimization for UNSPEC_CCZ_TO_INT.
 312         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
 313         ("*ccz_to_int"): New insn.
 314         ("isinf<mode>2"): New insn.
 315         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
 316         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
 317         (UNSPEC_CCZ_TO_INT): New constant.
 318
 319 2007-04-18  Richard Guenther  <rguenther@suse.de>
 320
 321         PR tree-optimization/19431
 322         PR tree-optimization/21463
 323         * tree-pass.h (pass_phiprop): Declare.
 324         * passes.c (init_optimization_passes): New phiprop pass.
 325         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
 326         (phivn_valid_p): New helper function.
 327         (phiprop_insert_phi): Likewise.
 328         (propagate_with_phi): Likewise.
 329         (tree_ssa_phiprop): New propagator propagating loads
 330         through phi nodes if profitable.
 331
 332 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
 333
 334         * tree-vect-analyze.c (process_use): New function.
 335         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
 336         Check phis in all bbs.
 337         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
 338         assert.
 339
 340 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 341
 342         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
 343         we use REG_EQUAL.
 344
 345 2007-04-17  Anatoly Sokolov <aesok@post.ru>
 346
 347         PR target/30483
 348         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
 349         error().
 350
 351 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
 352
 353         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
 354         on "0".
 355         (sse_vmmulv4sf3): Likewise.
 356         (sse2_vmaddv2df3): Likewise.
 357         (sse2_vmmulv2df3): Likewise.
 358
 359 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
 360
 361         PR rtl-optimization/31360
 362         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
 363         (target_reg_cost): New.
 364         (init_set_costs): Initialize target_reg_cost.  Add comments
 365         regarding the rationale of the costs.
 366         (global_cost_for_size): Renamed to...
 367         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
 368         of register pressure.
 369         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
 370         estimate_reg_pressure_cost.  Add number of ivs.
 371         (determine_set_costs): Dump target_reg_cost.
 372         * loop-invariant.c (gain_for_invariant):  Use
 373         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
 374         (best_gain_for_invariant, find_invariants_to_move): Remove
 375         n_inv_uses.
 376         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
 377         (target_reg_cost): Declare.
 378         (global_cost_for_size): Declaration removed.
 379         (estimate_reg_pressure_cost): Declare.
 380
 381 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
 382
 383         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
 384         regnos into even/odd register pairs.
 385         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
 386         TDmode similar to the other floating point modes.
 387         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
 388         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
 389         define_expand's.
 390         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
 391         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
 392         (movdd_hardfloat64): Use TARGET_MFPGPR.
 393
 394 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
 395
 396         * reload1.c (delete_output_reload): Don't count output in n_inherited.
 397
 398         Revert
 399         2005-01-05  Richard Henderson  <rth@redhat.com>
 400         PR rtl-opt/10692
 401         * reload1.c (do_input_reload): Restrict the optimization deleteing
 402         a previous output reload to RELOAD_FOR_INPUT.
 403
 404 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
 405
 406         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
 407         induc_vec_info_type.
 408         (vectorizable_induction): New function declaration.
 409         * tree-vect-transform.c (get_initial_def_for_induction): No need to
 410         check if already vectorized.  Find first place in BB where new stmts
 411         can be inserted.  Takes only one argument.
 412         (vectorizable_induction): New function.
 413         (vect_transform_stmt): Add case for induc_vec_info_type to call
 414         vectorizable_induction.
 415         (vect_transform_loop): Consider phis for vectorization.
 416         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
 417         condition.
 418         (analyze_operations): Call vectorizable_induction when analyzing phis.
 419         Fix comment.
 420         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
 421         (vect_mark_relevant): Include phis in relevance analysis.
 422         (vect_mark_stmts_to_be_vectorize): Likewise.
 423         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
 424
 425 2007-04-16  Lawrence Crowl  <crowl@google.com>
 426
 427         * doc/invoke.texi (Debugging Options): Add documentation for the
 428         -femit-struct-debug options -femit-struct-debug-baseonly,
 429         -femit-struct-debug-reduced, and
 430         -femit-struct-debug-detailed[=...].
 431
 432         * c-opts.c (c_common_handle_option): Add
 433         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
 434         and OPT_femit_struct_debug_detailed_.
 435         * c.opt: Add specifications for
 436         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
 437         and -femit-struct-debug-detailed[=...].
 438         * opts.c (set_struct_debug_option): Parse the
 439         -femit-struct-debug-... options.
 440         * opts.c (matches_main_base, main_input_basename,
 441         main_input_baselength, base_of_path, matches_main_base): Add
 442         variables and functions to compare header base name to compilation
 443         unit base name.
 444         * opts.c (should_emit_struct_debug): Add to determine to emit a
 445         structure based on the option.
 446         (dump_struct_debug) Also disabled function to debug this
 447         function.
 448         * opts.c (handle_options): Save the base name of the
 449         compilation unit.
 450
 451         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
 452         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
 453         This hook indicates if a type is generic.  Set it by default
 454         to "never generic".
 455         * langhooks.h (struct lang_hooks_for_types): Add a new hook
 456         to determine if a struct type is generic or not.
 457         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
 458         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
 459         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
 460         with live C++ hook.
 461
 462         * flags.h (enum debug_info_usage): Add an enumeration to describe
 463         a program's use of a structure type.
 464         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
 465         to indicate the program's usage of the type.  Filter structs based
 466         on the -femit-struct-debug-... specification.
 467         (gen_type_die): Split into two routines, gen_type_die and
 468         gen_type_die_with_usage.  gen_type_die is now a wrapper
 469         that assumes direct usage.
 470         (gen_type_die_with_usage): Replace calls to gen_type_die
 471         with gen_type_die_with_usage adding the program usage of
 472         the referenced type.
 473         (dwarf2out_imported_module_or_decl): Suppress struct debug
 474         information using should_emit_struct_debug when appropriate.
 475
 476 2007-04-16  Ian Lance Taylor  <iant@google.com>
 477
 478         PR tree-optimization/31522
 479         * tree-vrp.c (vr_phi_edge_counts): New static variable.
 480         (vrp_initialize): Allocate vr_phi_edge_counts.
 481         (vrp_visit_phi_node): Don't push to infinity if we saw a new
 482         executable edge.  Drop test for all constants.
 483         (vrp_finalize): Free vrp_phi_edge_counts.
 484
 485         * doc/cpp.texi (Common Predefined Macros): Clarify description of
 486         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 487
 488         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
 489         predecessors at head rather than tail.
 490
 491 2007-04-16  Matthias Klose  <doko@debian.org>
 492
 493         * config/alpha/linux.h (CPP_SPEC): Define.
 494         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
 495
 496 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
 497
 498         * function.h: Remove sequence_stack extern declaration.
 499
 500 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 501
 502         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
 503         TARGET_FIDOA.
 504         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
 505         defined.
 506
 507 2007-04-16  Anatoly Sokolov <aesok@post.ru>
 508
 509         * config/avr/avr.c (avr_arch_types): Rearranging  array.
 510         (enum avr_arch): Add.
 511         (avr_mcu_types): Use avr_arch enumeration constants instead of
 512         numbers.
 513         * config/avr/avr.h (LINK_SPEC): Simplify.
 514
 515 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 516
 517         * config/m68k/m68k.c (m68k_libcall_value,
 518         m68k_function_value): Use macros for register names more.
 519
 520         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
 521         instead.
 522         (M68K_REGNAME): Use A6_REG.
 523         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
 524
 525 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 526
 527         PR middle-end/28071
 528         * sched-int.h (struct deps): Split field 'pending_lists_length' into
 529         'pending_read_list_length' and 'pending_write_list_length'.  Update
 530         comment.
 531         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
 532         to handle two length counters instead of one.  Update all uses.
 533         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
 534         two length counters instead of one.
 535         * sched-rgn.c (propagate_deps): Update to handle two length counters
 536         instead of one.
 537
 538 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
 539
 540         PR target/31582
 541         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
 542         copy of source, pass it to ix86_expand_vector_set and return
 543         it as target.
 544
 545 2007-04-16  David Ung  <davidu@mips.com>
 546             Joseph Myers  <joseph@codesourcery.com>
 547
 548         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
 549         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
 550         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
 551         Add 74K processor information.
 552         * config/mips/mips.md: Include 74k.md.
 553         (cpu): Add 74kc,74kf,74kx.
 554         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
 555         * config/mips/74k.md: New.
 556         * doc/invoke.texi (MIPS Options): Document 74K support.
 557
 558 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
 559
 560         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
 561         vectorizable_* functions.
 562         * tree-vect-transform.c (vectorizable_call): Add check for
 563         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
 564         (vectorizable_store): likewise.
 565         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
 566         Add comments.
 567         (vectorizable_operation, vectorizable_type_demotion): Likewise.
 568         (vectorizable_type_promotion, vectorizable_load): Likewise.
 569         (vectorizable_live_operation, vectorizable_condition): Likewise.
 570         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
 571         STMT_VINFO_LIVE_P.
 572         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
 573
 574 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 575
 576         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
 577         register numbers more.
 578         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
 579         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
 580         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
 581         FUNCTION_VALUE_REGNO_P): Likewise.
 582         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
 583         STATIC_CHAIN_REGNUM): Likewise.
 584         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
 585         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
 586         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
 587         * config/m68k/m68k.md (FP_REG): New.
 588
 589 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 590
 591         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
 592         alignment on fido.
 593
 594 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 595
 596         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
 597         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
 598         comment typos.
 599
 600 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 601
 602         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
 603         cold loops.
 604
 605 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 606
 607         PR c/31520
 608         * c-decl.c (finish_decl): Grab the type of the decl after the call
 609         to store_init_value.
 610
 611 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
 612
 613         * common.opt (fforward-propagate): Fix "Optimization" annotation.
 614
 615 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
 616
 617         PR c++/25874
 618         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
 619         post dominators and cleanup cfg before returning.
 620
 621 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
 622
 623         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
 624         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
 625
 626 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
 627
 628         * config.gcc: Recognize fido.
 629         * config/m68k/m68k-devices.def (fidoa): New.
 630         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
 631         __mfido__.
 632         (FL_FIDOA, TARGET_FIDOA): New.
 633         * config/m68k/m68k.opt (mfidoa): New.
 634
 635 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 636
 637         PR middle-end/31322
 638         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
 639         when a personality function is used.
 640
 641 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
 642
 643         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
 644
 645 2007-04-13  Mike Stump  <mrs@apple.com>
 646
 647         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
 648         we can...
 649         * config/darwin.opt (fapple-kext): Make C++ only.
 650         * config/darwin.c (darwin_override_options): Remove code to ensure
 651         -fapple-kext is given for C++ only.
 652
 653 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
 654
 655         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
 656         * config/mips/mips.c (override_options): Call
 657         SUBTARGET_OVERRIDE_OPTIONS, if defined.
 658
 659 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 660
 661         * config/i386/i386.opt (msvr3-shlib): Removed.
 662
 663         * doc/invoke.texi: Remove -msvr3-shlib.
 664
 665 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 666
 667         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
 668         with "popcnt" instruction.
 669
 670 2007-04-13  Richard Guenther  <rguenther@suse.de>
 671
 672         PR tree-optimization/21258
 673         * tree-vrp.c (compare_case_labels): New helper.
 674         (find_switch_asserts): New function.
 675         (find_assert_locations): Call it for SWITCH_EXPRs.
 676
 677 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
 678
 679         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
 680         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
 681         check is now implied in X87_FLOAT_MODE_P.
 682         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 683         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 684         (fix_trunc<mode>_i386_fisttp): Ditto.
 685         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 686         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 687         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 688         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 689         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 690         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 691         (unnamed_splitters): Ditto.
 692         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
 693         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
 694         FIRST_SSE_REG for local functions when SSE math is enabled or
 695         for functions with sseregparm attribute.
 696         (standard_80387_constant_p): Return -1 if mode is not
 697         X87_FLOAT_MODE_P.
 698         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
 699         (ix86_expand_compare): Ditto.
 700         (ix86_expand_carry_flag_compare): Ditto.
 701         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
 702         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
 703         DECIMAL_FLOAT_MODE_P.
 704         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
 705         of SCALAR_FLOAT_MODE_P.
 706         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
 707         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
 708         checks before FLOAT_MODE_P.
 709         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
 710         before FLOAT_MODE_P.
 711         [DIV]: Ditto.
 712         [NEG]: Ditto.
 713         [ABS]: Ditto.
 714         [SQRT]: Ditto.
 715         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 716
 717 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
 718             Charles Wilson  <libtool@cwilson.fastmail.fm>
 719
 720         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
 721         (libgcc.mvars): Don't depend on them.
 722         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
 723         * exec-tool.in: New.
 724
 725 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
 726
 727         * doc/invoke.text (--help): Document --help=common.
 728
 729 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
 730
 731         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
 732
 733 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 734
 735         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
 736         * genemit.c (main): Emit #include "integrate.h".
 737         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
 738         (LOADGP_RTP): New mips_loadgp_style.
 739         * config/mips/mips.h: Include config/vxworks-dummy.h.
 740         (TARGET_RTP_PIC): New macro.
 741         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
 742         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
 743         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
 744         for TARGET_RTP_PIC.
 745         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
 746         -mvxworks-pic when using -mrtp and a PIC option.
 747         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
 748         for RTP PIC.
 749         (mips_symbolic_constant_p, mips_symbolic_address_p)
 750         (mips_symbol_insns): Handle SYMBOL_HALF.
 751         (override_options): Warn about -G and -mrtp being used together.
 752         Initialize mips_lo_relocs[SYMBOL_HALF].
 753         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
 754         (mips_emit_loadgp): Handle LOADGP_RTP.
 755         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
 756         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
 757         (tablejump): Handle function-relative case table entries if
 758         TARGET_RTP_PIC.
 759         * config/mips/predicates.md (symbol_ref_operand): New predicate.
 760
 761 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 762
 763         * config/mips/mips.md (load_call<mode>): Allow any general register.
 764         destination.
 765         (sibcall_value_internal, sibcall_value_multiple_internal)
 766         (call_value_internal, call_value_split, call_value_multiple_internal)
 767         (call_value_multiple_split): Remove constraints from operand 0.
 768
 769 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 770
 771         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
 772         rather than loadgp_noshared.
 773         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
 774         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
 775         gen_loadgp.
 776         * config/mips/mips.md (loadgp): Rename to...
 777         (loadgp_newabi): ...this.
 778         (loadgp_noshared): Rename to...
 779         (loadgp_absolute): ...this.
 780
 781 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 782
 783         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 784         false for locally-binding symbols.
 785         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 786
 787 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 788
 789         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 790         (SYMBOL_GOT_PAGE_OFST): ...this.
 791         (SYMBOL_GOT_GLOBAL): Rename to...
 792         (SYMBOL_GOT_DISP): ...this.
 793         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 794         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 795         * config/mips/mips.c (mips_global_symbol_p): New function.
 796         (mips_symbol_binds_local_p): Likewise.
 797         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 798         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 799         and mips_symbol_binds_local_p.
 800         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 801         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 802         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 803         SYMBOL_GOTOFF_DISP.
 804         (mips_ok_for_lazy_binding_p): New function.
 805         (mips_load_call_address, mips_expand_call): Use it.
 806         (mips_dangerous_for_la25_p): Likewise.
 807         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 808         (*got_disp<mode>): Use got_disp_operand instead of
 809         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 810         SYMBOL_GOTOFF_GLOBAL.
 811         (*got_page<mode>): Use got_page_ofst_operand instead of
 812         local_got_operand.
 813         * config/mips/predicates.md (const_call_insn_operand): Use
 814         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 815         (global_got_operand): Rename to...
 816         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 817         SYMBOL_GOT_GLOBAL.
 818         (local_got_operand): Rename to...
 819         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 820         of SYMBOL_GOT_LOCAL.
 821
 822 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 823
 824         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 825         TARGET_CALL_CLOBBERED_GP.
 826         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 827         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 828         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 829         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 830         of TARGET_ABICALLS && !TARGET_NEWABI.
 831         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 832         * config/mips/mips.c (mips_load_call_address): Check
 833         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 834         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 835         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 836         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 837         TARGET_ABICALLS && TARGET_NEWABI.
 838         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 839         TARGET_ABICALLS.
 840         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 841         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 842         TARGET_ABICALLS && TARGET_NEWABI.
 843         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 844         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 845         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 846         whether indirect calls must use $25.
 847         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 848         TARGET_ABICALLS.
 849         * config/mips/mips.md (jal_macro): Check flag_pic and
 850         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 851         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 852         instead of TARGET_ABICALLS.
 853         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 854         TARGET_ABICALLS && TARGET_OLDABI.
 855         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 856         (sibcall): In the comment above the define_insn, mention
 857         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 858         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 859         instead of TARGET_ABICALLS.
 860
 861 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 862
 863         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 864         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 865         (MACFLAGS_MATCH_P): New macro.
 866         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 867         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 868         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 869         the other MACFLAG constants.
 870         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 871         (flag_machi): Tighten constraints.  Renumber some of the operands.
 872         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 873         output template.
 874         (flag_machi_parts_acconly): New pattern.
 875         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 876         used.
 877         (flag_macinit1hi): Tighten constraints.
 878         (flag_mul_macv2hi_parts_acconly): New pattern.
 879
 880         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 881         Use a more efficient implementation.
 882         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 883         inline sequences when not optimizing for size.
 884
 885         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 886         movhi_high2low): Delete, merge functionality into...
 887         (packv2hi): ... this pattern.
 888
 889         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 890         * config/bfin/bfin.opt (msim): New option.
 891         (mcpu=): New option.
 892         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 893         (bfin_cpu_t): Typedef of enum bfin_cpu.
 894         (bfin_cpu_type): New declaration.
 895         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 896         -msim and -mcpu= options.
 897         (LIB_SPEC): Likewise.
 898         * config/bfin/bfin.c (bfin_cpu_type): Define.
 899         (bfin_handle_option): Handle -mcpu= option.
 900         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 901         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 902         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 903
 904 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 905
 906         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 907         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 908         (powerpc-wrs-vxworksae): Use ${tm_file}.
 909         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 910         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 911         * config/i386/vx-common.h: New file.
 912
 913 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 914
 915         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 916         of crt0.o%s.
 917
 918 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 919
 920         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 921         ldxtr.
 922
 923 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 924
 925         PR c++/31078
 926         PR c++/31103
 927         * c-common.c (c_build_qualified_type): Set canonical type
 928         appropriately.
 929
 930 2007-04-12  Richard Guenther  <rguenther@suse.de>
 931
 932         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 933         lower bound and element size if lower bound is not zero
 934         or either of the ARRAY_REF operands is set.
 935
 936 2007-04-12  Richard Guenther  <rguenther@suse.de>
 937
 938         PR tree-optimization/24689
 939         PR tree-optimization/31307
 940         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
 941         indices by value.
 942         * gimplify.c (canonicalize_addr_expr): To be consistent with
 943         gimplify_compound_lval only set operands two and three of
 944         ARRAY_REFs if they are not gimple_min_invariant.  This makes
 945         it never at this place.
 946         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 947
 948 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 949
 950         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
 951         null before emitting a .nsubspa directive.
 952
 953 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 954
 955         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
 956         need_to_partition_p if there are no memory statements in the
 957         function.
 958
 959 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 960
 961         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
 962         (gcd_of_steps_may_divide_p): New function.
 963         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
 964
 965 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 966
 967         * reload.c (find_reloads_toplev, find_reloads_address,
 968         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
 969         not a pointer equality test, to decide if we need to call
 970         push_reg_equiv_alt_mem.
 971
 972 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
 973
 974         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
 975         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
 976         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
 977
 978 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 979
 980         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
 981         vector to be positive.
 982
 983 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 984
 985         PR 30735
 986         PR 31090
 987         * doc/invoke.texi: Document --params max-aliased-vops and
 988         avg-aliased-vops.
 989         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
 990         debug_memory_partitions): Move to tree-flow.h
 991         * params.h (AVG_ALIASED_VOPS): Define.
 992         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
 993         users.
 994         (mp_info_t): Likewise.
 995         (get_mem_sym_stats_for): New.
 996         (set_memory_partition): Move from tree-flow-inline.h.
 997         (mark_non_addressable): Only clear the set of symbols for the
 998         partition if it exists.
 999         (dump_memory_partitions): Move from tree-ssa-operands.c
1000         (debug_memory_partitions): Likewise.
1001         (need_to_partition_p): New.
1002         (dump_mem_ref_stats): New.
1003         (debug_mem_ref_stats): New.
1004         (dump_mem_sym_stats): New.
1005         (debug_mem_sym_stats): New.
1006         (update_mem_sym_stats_from_stmt): New.
1007         (compare_mp_info_entries): New.
1008         (mp_info_cmp): Call it.
1009         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1010         objects.
1011         (get_mpt_for): Move from tree-ssa-operands.c.
1012         (find_partition_for): New.
1013         (create_partition_for): Remove.
1014         (estimate_vop_reduction): New.
1015         (update_reference_counts): New.
1016         (build_mp_info): New.
1017         (compute_memory_partitions): Refactor.
1018         Document new heuristic.
1019         Call build_mp_info, update_reference_counts,
1020         find_partition_for and estimate_vop_reduction.
1021         (compute_may_aliases): Populate virtual operands before
1022         calling debugging dumps.
1023         (delete_mem_sym_stats): New.
1024         (delete_mem_ref_stats): New.
1025         (init_mem_ref_stats): New.
1026         (init_alias_info): Call it.
1027         (maybe_create_global_var): Remove alias_info argument.
1028         Get number of call sites and number of pure/const call sites
1029         from gimple_mem_ref_stats().
1030         (dump_alias_info): Call dump_memory_partitions first.
1031         (dump_points_to_info_for): Show how many times a pointer has
1032         been dereferenced.
1033         * opts.c (decode_options): For -O2 set --param
1034         max-aliased-vops to 500.
1035         For -O3 set --param max-aliased-vops to 1000 and --param
1036         avg-aliased-vops to 3.
1037         * fortran/options.c (gfc_init_options): Remove assignment to
1038         MAX_ALIASED_VOPS.
1039         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1040         * tree-dfa.c (dump_variable): Dump memory reference
1041         statistics.
1042         Dump NO_ALIAS* settings.
1043         (referenced_var_lookup): Tidy.
1044         (mem_sym_stats): New.
1045         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1046         and ORIG are different SSA names for a memory partition.
1047         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1048         * tree-flow.h (struct mem_sym_stats_d): Define.
1049         (mem_sym_stats_t): Define.
1050         (struct mem_ref_stats_d): Define.
1051         (struct gimple_df): Add field mem_ref_stats.
1052         (enum noalias_state): Define.
1053         (struct var_ann_d): Add bitfield noalias_state.
1054         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1055         debug_mem_ref_stats, debug_memory_partitions,
1056         debug_mem_sym_stats): Declare.
1057         * tree-ssa-structalias.c (update_alias_info): Update call
1058         sites, pure/const call sites and asm sites in structure
1059         returned by gimple_mem_ref_stats.
1060         Remove local variable IS_POTENTIAL_DEREF.
1061         Increase NUM_DEREFS if the memory expression is a potential
1062         dereference.
1063         Call update_mem_sym_stats_from_stmt.
1064         If the memory references memory, call
1065         update_mem_sym_stats_from_stmt for all the direct memory
1066         symbol references found.
1067         (intra_create_variable_infos): Set noalias_state field for
1068         pointer arguments according to the value of
1069         flag_argument_noalias.
1070         * tree-ssa-structalias.h (struct alias_info): Remove fields
1071         num_calls_found and num_pure_const_calls_found.
1072         (update_mem_sym_stats_from_stmt): Declare.
1073         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1074         Set default value to 100.
1075         (PARAM_AVG_ALIASED_VOPS): Define.
1076
1077 2007-04-11  Richard Guenther  <rguenther@suse.de>
1078
1079         PR middle-end/31530
1080         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1081         a * -b + c as c - a * b if we honor sign dependent rounding.
1082
1083 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1084
1085         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1086         bfin_expand_strmov.
1087         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1088         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1089         variables.
1090         (initialize_trampoline): Don't use old-style function definition.
1091         (bfin_secondary_reload): Mark IN_P argument as unused.
1092
1093 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1094
1095         PR tree-optimization/31343
1096         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1097         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1098         * testsuite/gcc.dg/vect/pr31343.c: New.
1099
1100 2007-04-10  Eric Christopher  <echristo@apple.com>
1101
1102         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1103         * config/i386/i386.md (*cmpfp0): Use.
1104         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1105         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1106         (fix_trunc<mode>_i386_fisttp): Ditto.
1107         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1108         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1109         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1110         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1111         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1112         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1113         (unnamed_splitters): Ditto.
1114         * config/i386/i386.c (output_fix_trunc): Assert that
1115         we're not being passed a TFmode operand.
1116
1117 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1118
1119         PR tree-optimization/31526
1120         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1121         n_basic_blocks to find newly added blocks.
1122
1123 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1126         alternative.
1127         (fix_trunc<mode>si_sse): Ditto.
1128         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1129         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1130         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1131         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1132         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1133         expander using SSEMODEF mode macro.
1134         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1135         expander using SSEMODEF mode macro.
1136         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1137         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1138         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1139         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1140         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1141         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1142         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1143         Macroize insn using X87MODEF mode macro.
1144
1145 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1146
1147         * config/i386/sse.md (sse2_pinsrw): Removed.
1148         (sse2_pextrw): Renamed to ...
1149         (*sse2_pextrw): This.
1150
1151 2007-04-09  Jan Hubicka  <jh@suse.cz>
1152
1153         PR target/27869
1154         * config/i386/sse.md
1155         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1156         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1157         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1158         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1159
1160 2007-04-09  Jan Hubicka  <jh@suse.cz>
1161
1162         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1163         multiple fields of union.
1164
1165 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1166
1167         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1168         (create_preheaders): Check that loops are available.
1169         (fix_loop_structure): Clean up, improve comments.
1170         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1171         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1172         state flags.
1173         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1174         * predict.c (tree_estimate_probability): Do not call
1175         calculate_dominance_info.  Call create_preheaders.
1176         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1177         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1178         flags.
1179         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1180         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1181         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1182         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1183         arguments.
1184
1185 2007-04-08  Jan Hubicka  <jh@suse.cz>
1186
1187         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1188         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1189         * fold-const.c (fold_unary): Use it.
1190
1191 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1192
1193         * varasm.c (assemble_variable): Remove call to
1194         lang_hooks.decls.prepare_assemble_variable.
1195         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1196         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1197         * langhooks.h (lang_hooks_for_decls): Remove
1198         prepare_assemble_variable.
1199
1200 2007-04-08  Mike Stump  <mrs@apple.com>
1201
1202         * config/i386/i386.c: Use inc/dec on Core2.
1203
1204 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1205
1206         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1207         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1208         lhd_tree_inlining_end_inlining): Remove.
1209         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1210         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1211         end_inlining hooks.
1212         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1213         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1214         lhd_tree_inlining_end_inlining): Remove prototypes.
1215         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1216         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1217         LANG_HOOKS_TREE_INLINING_START_INLINING,
1218         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1219
1220         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1221         not set it.
1222
1223 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1224
1225         PR target/29932
1226         * config/avr/predicates.md (io_address_operand): Delete predicate.
1227         (low_io_address_operand): Don't use 'mode' argument.
1228         (higth_io_address_operand): Rename ...
1229         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1230         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1231         for above change.
1232
1233 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1234
1235         Revert change removing staticp.
1236
1237 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1238
1239         PR target/30289
1240         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1241         earlyclobber.
1242
1243 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1244
1245         * c.opt: Add -Wformat-contains-nul.
1246         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1247           -Wformat setting.
1248         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1249         the NUL byte warning.
1250
1251 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1252
1253         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1254
1255 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1256
1257         * tree.c (staticp): No longer use staticp langhook.
1258         * langhooks.c (lhd_staticp): Removed.
1259         * langhooks.h (struct lang_hooks): Remove staticp.
1260         * c-common.c (c_staticp): Remove.
1261         * c-common.h (c_staticp): Ditto.
1262         * langhooks-defs.h (lhd_staticp): Ditto.
1263         (LHD_HOOKS_STATICP): Ditto
1264         * tree.h (gcc_assert_lowered): New macro.
1265
1266 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1267
1268         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1269         argument "reliable".
1270         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1271         Add argument "reliable".  Propagate it through calls.
1272         (infer_loop_bounds_from_undefined):  Derive number of iterations
1273         estimates from references in blocks that do not dominate loop latch.
1274         (gcov_type_to_double_int): New function.
1275         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1276         and expected_loop_iterations_unbounded.
1277         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1278         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1279         * tree-data-ref.c (estimated_loop_iterations): Export.
1280         (get_references_in_stmt): Fix -- do not return addresses of local
1281         objects.
1282         * cfgloop.h (expected_loop_iterations_unbounded,
1283         estimated_loop_iterations): Declare.
1284
1285 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1286
1287         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1288
1289 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1290
1291         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1292         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1293         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1294         Use output_387_reg_move().
1295         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1296         expander using X87MODEF12 mode macro.
1297         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1298         choosing register preferences.  Use output_387_reg_move().
1299         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1300         instead of "x".  Use output_387_reg_move().
1301         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1302         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1303         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1304         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1305         Use output_387_reg_move().
1306         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1307         mode macro.
1308         (*truncxf?f_i387 splitter): Ditto.
1309
1310 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1311
1312         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1313         LANG_HOOKS_SAFE_FROM_P.
1314         * expr.c (safe_from_p): Remove langhook call.
1315         * langhooks.h (lang_hooks): Remove safe_from_p.
1316         (lhd_safe_from_p): Remove prototype.
1317         * langhooks.c (lhd_safe_from_p): Remove.
1318
1319 2007-04-06  Jan Hubicka  <jh@suse.cz>
1320
1321         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1322         functions.
1323
1324 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1325
1326         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1327         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1328         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1329         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1330         alternative.
1331         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1332         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1333
1334 2007-04-05  Richard Henderson  <rth@redhat.com>
1335
1336         * config/alpha/alpha.c (print_operand) [+]: Remove.
1337         (alpha_end_function): Print nop if call at end of function.
1338         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1339         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1340         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1341         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1342         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1343         the call pattern. Update peepholes to match.
1344
1345 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1346
1347         * doc/extend.texi (Other Builtins): Add decimal float variants
1348         of signbit.
1349         * builtins.def: Ditto.
1350         * builtins.c (expand_builtin): Ditto.
1351
1352 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1353             H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         PR target/31478
1356         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1357         of V8HImode when calling ix86_binary_operator_ok.
1358         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1359         (sdot_prodv8hi): Operands 1 and 2 must be register.
1360
1361 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1362
1363         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1364         initialize align to silence bogus warning.
1365
1366 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1367
1368         PR middle-end/22156
1369         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1370         all_no_warning.
1371         (struct sra_walk_fns): Remove use_all parameter from use.
1372         (sra_hash_tree): Handle BIT_FIELD_REFs.
1373         (sra_elt_hash): Don't hash bitfld blocks.
1374         (sra_elt_eq): Skip them in parent compares as well.  Handle
1375         BIT_FIELD_REFs.
1376         (sra_walk_expr): Don't maintain or pass down use_all_p.
1377         (scan_use): Remove use_all parameter.
1378         (scalarize_use): Likewise.  Re-expand assignment to
1379         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1380         output, and re-scalarize after output.  Don't mark anything
1381         for no warning.
1382         (scalarize_ldst): Adjust.
1383         (scalarize_walk_gimple_modify_statement): Likewise.
1384         (build_element_name_1): Handle BIT_FIELD_REFs.
1385         (instantiate_element): Don't warn for any element whose parent
1386         is used as a whole.
1387         (instantiate_missing_elements_1): Return the sra_elt.
1388         (canon_type_for_field): New.
1389         (try_instantiate_multiple_fields): New.
1390         (instantiate_missing_elemnts): Use them.
1391         (mark_no_warning): Removed.
1392         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1393         (REPLDUP, sra_build_elt_assignment): New.
1394         (generate_copy_inout): Use them.
1395         (generate_element_copy): Likewise.  Handle bitfld differences.
1396         (generate_element_zero): Don't recurse for blocks.  Use
1397         sra_build_elt_assignment.
1398         (generate_one_element_int): Take elt instead of var.  Use
1399         sra_build_elt_assignment.
1400         (generate_element_init_1): Adjust.
1401         (scalarize_use, scalarize_copy): Use REPLDUP.
1402         (scalarize_ldst): Move assert before dereference.
1403         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1404
1405 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1406
1407         * regmove.c: Fix unused variable warnings due to previous commit.
1408
1409 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1410
1411         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1412         (regmove_bb_head): Remove.
1413         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1414         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1415         problems with fixup_match_1.
1416         Don't initialize/free regmove_bb_head.
1417
1418         (reg_is_remote_constant_p): If an insn is in the same basic block
1419         but not before INSN, consider it remote, too.
1420
1421 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1422
1423         PR target/25448
1424         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1425         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1426
1427 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1428
1429         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1430         (CONDITIONAL_REGISTER_USAGE): Likewise.
1431
1432 2007-04-04  Richard Henderson  <rth@redhat.com>
1433
1434         * config/alpha/lib1funcs.asm: Remove unused file.
1435
1436 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1437
1438         PR other/31356
1439         * opts.c (print_specific_help): Fix --help=<language>
1440         header line.
1441         (common_handle_option): Support --help=common.
1442
1443 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1444
1445         PR other/31353
1446         * gcc.c (main): Do not run the linker if
1447         print_subprocess_help indicates that it shouldn't be
1448         run.
1449
1450 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1451
1452         PR doc/31355
1453         * doc/invoke.texi (--help=): Document <languages> value, fix
1454         formatting in tables of values.
1455
1456 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1457
1458         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1459         dllimport attribute of virtual methods.
1460
1461 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1462
1463         * config/score/crti.asm: Change _bss_start to __bss_start.
1464         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1465         (OUTGOING_REG_PARM_STACK_SPACE) update.
1466         * config/score/score.opt: add options to make backend support
1467         score5, score5u, score7 and score7d.
1468         * config/score/score.md: Likewise.
1469         * config/score/misc.md: Likewise.
1470         * config/score/mac.md: Likewise.
1471         * doc/invoke.texi: Likewise.
1472         * doc/md.texi: update constraints define.
1473
1474 2007-04-03  Richard Henderson  <rth@redhat.com>
1475
1476         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1477         an appropriate type, use the mode instead.
1478
1479 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1480
1481         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1482         Set the default --with-arch setting to mips2.
1483         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1484         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1485         (MULTILIB_OSDIRNAMES): Delete.
1486         (MULTILIB_DIRNAMES): Define.
1487         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1488         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1489         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1490         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1491         VXWORKS_OS_CPP_BUILTINS.
1492         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1493         (MIPS_DEBUGGING_INFO): Undefine.
1494         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1495
1496 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1497
1498         PR middle-end/30704
1499         * fold-const.c (native_encode_real): Encode real.c provided longs
1500         as a series of 32-bit native integers.
1501         (native_interpret_real): Interpret buffer as a series of 32-bit
1502         native integers.
1503
1504 2007-04-03  Richard Guenther  <rguenther@suse.de>
1505
1506         * genpreds.c (write_insn_constraint_len): Write function
1507         optimized for CONSTRAINT_LEN implementation.
1508         (write_tm_preds_h): Output insn_constraint_len inline and
1509         use it for CONSTRAINT_LEN.
1510         (write_insn_preds_c): Don't output insn_constraint_len.
1511         * doc/md.texi (define_register_constraint): Document multi-letter
1512         constraints shall have the same length if they start with the same
1513         letter.
1514
1515 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1516
1517         PR target/31175
1518         * config/i386/i386.md (isinf<mode>2): Expand only when
1519         TARGET_C99_FUNCTIONS is set.
1520
1521 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1522
1523         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1524         (x86_64-*-linux*): Ditto.
1525         * config/i386/i386.opt (mpc): New option.
1526         * config/i386/i386.c (overrride_options): Handle
1527         ix87_precision_string.
1528         * config/i386/crtprec.c: New file.
1529         * config/i386/t-crtpc: Ditto.
1530         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1531         and -mpc80 options.
1532         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1533         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1534         crtprec32.o, crtprec64.o and crtprec80.o.
1535
1536         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1537         and -mpc80 options.
1538         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1539
1540 2007-04-02  Eric Christopher  <echristo@apple.com>
1541
1542         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1543         limitations on darwin.
1544
1545 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1546
1547         PR target/31137
1548         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1549
1550 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1551
1552         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1553
1554 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1555
1556         * libgcc2.h (exception_descriptor): Don't forward-declare.
1557         (__get_eh_table_language, __get_eh_table_version): Delete
1558         prototypes of long-dead functions.
1559
1560 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1561
1562         * ebitmap.h: New file
1563         * ebitmap.c: New file
1564         * Makefile.in (ebitmap.o): New target.
1565
1566 2007-04-01  Jan Hubicka  <jh@suse.cz>
1567
1568         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1569         before very first instruction.
1570
1571 2007-04-01  Jan Hubicka  <jh@suse.cz>
1572
1573         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1574         waring on 64bit hosts.
1575         * bitmap.h: Fix typo in bitmap_head_def.
1576
1577 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1578
1579         PR rtl-optimization/31391
1580         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1581         into a DELETED_LABEL note, and the label is in an empty basic
1582         block, update BB_END as well as BB_HEAD.
1583
1584 2007-04-01  Richard Henderson  <rth@redhat.com>
1585
1586         PR tree-optimization/31169
1587         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1588         to varying if the range is outside [0,  prec-1].
1589
1590 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1591
1592         PR target/31388
1593         * config/mips/mips.md (load_const_gp): New insn.
1594         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1595         the MIPS16 GP pseudo register if no_new_pseudos.
1596         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1597
1598 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1599
1600         PR target/31364
1601         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1602         secureplt.
1603         (call_value): Likewise.
1604
1605 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1606             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1607
1608         PR 14737
1609         * doc/invoke.texi: (optimization options): Reword description
1610         of -ffast-math. Document its primary purpose.
1611
1612 2007-03-31  Richard Guenther  <rguenther@suse.de>
1613
1614         * omp-low.c (splay-tree.h): Include.
1615         (lookup_decl): Replace splay-tree usage by pointer-map.
1616         (maybe_lookup_decl): Likewise.
1617         (new_omp_context): Likewise.
1618         (delete_omp_context): Likewise.
1619         * gimplify.c (splay-tree.h): Include.
1620         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1621         pointer-map.
1622         (remap_ssa_name): Likewise.
1623         (remap_decl): Likewise.
1624         (remap_type_1): Likewise.
1625         (remap_type): Likewise.
1626         (copy_body_r): Likewise.
1627         (expand_call_inline): Likewise.
1628         (clone_body): Likewise.
1629         (copy_tree_r): Likewise.
1630         (remap_save_expr): Likewise.
1631         (unsave_r): Likewise.
1632         (unsave_expr_now): Likewise.
1633         (tree_function_versioning): Likewise.
1634         (build_duplicate_type): Likewise.
1635         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1636         (struct copy_body_data): Replace splay-tree by pointer-map.
1637         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1638         not $(SPLAY_TREE_H).
1639         (gimplify.o): Depend on $(SPLAY_TREE_H).
1640         (omp-low.p): Likewise.
1641
1642 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1643
1644         * config/avr/predicates.md (even_register_operand,
1645         odd_register_operand): New predicates.
1646         * config/avr/avr.md (movw peephole2): New.
1647         (movw_r peephole2): New.
1648
1649 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1650
1651         * tree.h (get_signed_or_unsigned_type): New.
1652         * fold-const.c (operand_equal_for_comparison_p): Use
1653         get_signed_or_unsigned_type instead of
1654         lang_hooks.types.signed_or_unsigned_type.
1655         * expr.c (store_expr): Ditto.
1656         * langhooks.c (get_signed_or_unsigned_type): New.
1657         (lhd_signed_or_unsigned_type): New.
1658         * langhooks.h (lhd_signed_or_unsigned_type): New.
1659         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1660
1661 2007-03-30  Richard Henderson  <rth@redhat.com>
1662
1663         * tree-ssa-loop-ivopts.c: Include target.h.
1664         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1665         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1666         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1667         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1668
1669 2007-03-30  Richard Henderson  <rth@redhat.com>
1670             Kai Tietz  <kai.tietz@onevision.com>
1671
1672         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1673         default for 64-bit.
1674         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1675         (TARGET_64BIT_MS_ABI): New.
1676         (DBX_REGISTER_NUMBER): Handle 64-bit.
1677         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1678         (LONG_TYPE_SIZE): Force to 32.
1679         (REG_PARM_STACK_SPACE): New.
1680         (OUTGOING_REG_PARM_STACK_SPACE): New.
1681         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1682         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1683         (STACK_BOUNDARY): Use 128 for 64-bit.
1684         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1685         Add 64-bit implementation.
1686         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1687         argument unused.
1688         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1689         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1690         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1691         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1692         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1693         TARGET_64BIT_MS_ABI.
1694         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1695         (ix86_pass_by_reference): Likewise.
1696         (ix86_function_value_regno_p): Likewise.
1697         (ix86_build_builtin_va_list): Likewise.
1698         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1699         (function_arg_advance_ms_64): New.
1700         (function_arg_advance): Call it.
1701         (function_arg_ms_64): New.
1702         (function_arg): Call it.
1703         (function_value_ms_64): New.
1704         (ix86_function_value_1): Call it.
1705         (return_in_memory_ms_64): New.
1706         (ix86_return_in_memory): Call it.
1707         (setup_incoming_varargs_ms_64): New.
1708         (ix86_setup_incoming_varargs): Call it.
1709         (ix86_expand_prologue): Handle 64-bit stack probing.
1710         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1711         (output_pic_addr_const): Likewise.
1712         (x86_this_parameter): Likewise.
1713         (x86_output_mi_thunk): Likewise.
1714         (x86_function_profiler): Likewise.
1715         (TARGET_STRICT_ARGUMENT_NAMING): New.
1716         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1717         (TARGET_64BIT_MS_ABI): New.
1718         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1719         * config/i386/i386.md (allocate_stack_worker): Remove.
1720         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1721         describe the clobber of eax without a match_scratch.
1722         (allocate_stack_worker_postreload): Remove.
1723         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1724         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1725         (allocate_stack_worker_rex64_postreload): Remove.
1726         (allocate_stack): Handle 64-bit.
1727         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1728         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1729         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1730         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1731         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1732         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1733         * config.build (x86_64-*-mingw*): New host.
1734         * config.host (x86_64-*-mingw*): New host.
1735         * config.gcc (x86_64-*-mingw*): New target.
1736         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1737
1738 2007-03-30  Richard Henderson  <rth@redhat.com>
1739             Kai Tietz  <kai.tietz@onevision.com>
1740
1741         * c-pragma.c (struct def_pragma_macro_value): New.
1742         (struct def_pragma_macro): New.
1743         (pushed_macro_table): New.
1744         (dpm_hash, dpm_eq): New.
1745         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1746         (init_pragma): Install them.
1747         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1748
1749 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1750
1751         * config/avr/avr.c (avr_override_options): Clear
1752         'flag_delete_null_pointer_checks'.
1753
1754 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1755
1756         PR c++/26099
1757         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1758         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1759         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1760         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1761         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1762         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1763         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1764         C++ extensions.
1765         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1766
1767 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1768
1769         * regmove.c: Move all of pass_stack_adjustments from here...
1770         * combine-stack-adj.c: ...to this new file.
1771         * Makefile.in: Add rules for combine-stack-adj.o.
1772
1773 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1774
1775         PR tree-optimization/31383
1776         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1777         to have the same length.
1778
1779 2007-03-30  Jan Hubicka  <jh@suse.cz>
1780
1781         PR middle-end/30700
1782         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1783         availablility; add more sanity checking; ask varpool only about
1784         VAR_DECL.
1785
1786 2007-03-29  Richard Henderson  <rth@redhat.com>
1787
1788         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1789         to decide, but __SIZEOF_LONG_LONG__.
1790
1791 2007-03-29  Richard Henderson  <rth@redhat.com>
1792
1793         * emutls.c (struct __emutls_array): New.
1794         (emutls_destroy): Use it instead of casting element 0 from void*.
1795         (__emutls_get_address): Likewise.
1796
1797 2007-03-29  Richard Henderson  <rth@redhat.com>
1798
1799         * varasm.c (initializer_constant_valid_p): Don't deny
1800         DECL_DLLIMPORT_P on functions.
1801
1802         * config/i386/cygming.h: Remove function declarations.
1803         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1804         (ASM_OUTPUT_LABELREF): Remove.
1805         (COMMON_ASM_OP): Remove.
1806         (ASM_OUTPUT_COMMON): Remove.
1807         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1808         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1809         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1810         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1811         Rename from TARGET_ENCODE_SECTION_INFO.
1812         * config/i386/netware.h: Likewise.
1813         * config/i386/i386-protos.h: Update.
1814         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1815         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1816         (legitimate_constant_p): Reject dllimports.
1817         (dllimport_map, get_dllimport_decl): New.
1818         (legitimize_dllimport_symbol): New.
1819         (legitimize_address, ix86_expand_move): Use it.
1820         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1821         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1822         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1823         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1824         * config/i386/predicates.md (constant_call_address_operand): Only
1825         accept symbols; reject dllimport_p symbols.
1826         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1827         i386_pe_maybe_record_exported_symbol.
1828         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1829         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1830         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1831         trust the setting of DECL_DLLIMPORT_P.
1832         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1833         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1834         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1835         tidy the argument scanning loop.
1836         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1837         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1838         (i386_pe_strip_name_encoding): Remove.
1839         (i386_pe_binds_local_p): New.
1840         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1841         (i386_pe_output_labelref): Remove.
1842         (i386_pe_asm_output_aligned_decl_common): New.
1843         (i386_pe_maybe_record_exported_symbol): Rename from
1844         i386_pe_record_exported_symbol; check for dllexported symbols.
1845
1846 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1847
1848         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1849         add comment explaining why vsnprintf cannot be used.
1850
1851 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1852
1853         PR tree-optimization/30666
1854         * tree.c (build_complex_type): When creating type names for DWARF2
1855         debug info, create TYPE_DECLs for TYPE_NAME instead of
1856         IDENTIFIER_NODEs.
1857         (build_common_tree_nodes_2): Use build_complex_type when building
1858         predefined complex types, to preserve canonical types.
1859
1860 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1861
1862         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1863         (noce_get_alt_condition): Look at it to determine whether to
1864         reverse the condition or not.
1865         (noce_get_condition): Substitute the truth for lies.
1866         (noce_find_if_block): Set the then_else_reversed field.
1867
1868 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1869
1870         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1871         destination of this insn.
1872         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1873         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1874         'address + 4' rather than a stack based temporary which can be
1875         mis-optimized away.
1876
1877 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1878
1879         * config/s390/s390.c (s390_secondary_input_reload_class,
1880         s390_secondary_output_reload_class): Functions removed.
1881         (s390_secondary_reload): New function.
1882         (TARGET_SECONDARY_RELOAD): Target macro defined.
1883         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1884         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1885         * config/s390/s390.md ("reload_outti", "reload_outdi",
1886         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1887         "reload_out<mode>"): Expanders removed.
1888         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1889         "reload<mode>_nonoffmem_out"): Expanders added.
1890
1891 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1892
1893         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1894         SRC->DEST replacement failed anyway.
1895
1896 2007-03-28  Mike Stump  <mrs@apple.com>
1897
1898         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1899         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1900         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1901
1902 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1903
1904         * config.gcc: Accept barcelona as a variant of amdfam10.
1905         * config/i386/i386.c (override_options): Likewise.
1906         * doc/invoke.texi: Likewise.
1907
1908 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1909
1910         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1911         offsets for BIT_FIELD_REF and COMPONENT_REF.
1912
1913 2007-03-28  Richard Guenther  <rguenther@suse.de>
1914
1915         * tree.c (is_global_var): Move ...
1916         * tree-flow-inline.h (is_global_var): ... here.
1917         * tree.h (is_global_var): Remove declaration.
1918
1919 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1922         option.
1923         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1924         * config/i386/i386.c (ix86_tune_features): Initialize new
1925         tuning option.
1926         * config/i386/predicates.md (promotable_binary_operator): Use
1927         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1928
1929 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1930
1931         PR target/31380
1932         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1933
1934 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1935
1936         * config/fr30/fr30.md (movsi_internal): Change destination
1937         constraint from m to V and add m to the end.
1938
1939 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1940
1941         * config/sh/sh.md (movsi_i): Fix type attribute.
1942
1943 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1944
1945         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1946         (movsf_ie): Likewise.
1947
1948 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1949
1950         * config.gcc: Add sh4-300 to multilib.
1951         * config/sh/t-mlib-sh4-300: New file.
1952
1953 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1954
1955         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1956         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1957         fix_trunc<mode>di2.
1958         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1959         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1960         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1961         "fixuns_trunctddi2"): Whitespace fix.
1962
1963 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1964
1965         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1966         the definition of struct sh_args.
1967         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1968         CALL_COOKIE_INT_REG_GET): Likewise.
1969
1970 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1971
1972         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1973         transformations are applied successfully.
1974
1975 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1976
1977         * tree.c (tree_contains_struct): Permit 512 tree codes.
1978         * tree.h (tree_contains_struct): Ditto.
1979         (MAX_TREE_CODES): Ditto.
1980         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1981         SPARE member to store remaining padding bits.
1982
1983 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1984
1985         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1986         architecture.
1987
1988 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1989
1990         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1991         * configure: Regenerate.
1992
1993         * configure: Regenerate using the correct version of autoconf.
1994
1995 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1996
1997         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1998         pointer regs.
1999         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2000         regs to "__SP_L__" and "__SP_H__".
2001
2002 2007-03-27  Richard Guenther  <rguenther@suse.de>
2003
2004         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2005         computations with it with a HOST_WIDE_INT variable.
2006
2007 2007-03-26  Mike Stump  <mrs@apple.com>
2008
2009         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2010         objective-c-header, objective-c++-header and objc++-cpp-output
2011         support.
2012         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2013
2014 2007-03-26  Richard Henderson  <rth@redhat.com>
2015
2016         PR target/31361
2017         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2018         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2019         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2020         IX86_BUILTIN_PSRLQ128): New.
2021         (ix86_init_mmx_sse_builtins): Add them.
2022         (ix86_expand_builtin): Expand them.
2023         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2024         operand 2 be TImode.
2025         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2026         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2027         _mm_srli_epi64): Mark __B const.
2028         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2029         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2030         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2031         new two-vector shift builtins.
2032
2033 2007-03-26  Ian Lance Taylor  <iant@google.com>
2034
2035         PR tree-optimization/31345
2036         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2037         [+INF, +INF(OVF)] into VARYING.
2038
2039 2007-03-26  Zack Weinberg  <zackw@panix.com>
2040
2041         * gengtype-parse.c: New file.
2042         * gengtype-yacc.y: Delete.
2043         * gengtype-lex.l: Don't include gengtype-yacc.h.
2044         Define YY_DECL and yyterminate appropriately for recursive
2045         descent parser.  yylval is now a string out-parameter to yylex.
2046         (HWS, EOID): New shorthand.
2047         (IWORD): Add a couple more types.
2048         (yylex): Add a setup stanza.  Remove the complex rules for
2049         detecting GTY'ed types and typedefs; replace with simple
2050         keyword detectors.  Adjust everything for the changed
2051         definition of yylval.  Ignore all pp-directives, not just #define.
2052         (yyerror): Delete.
2053         (parse_file): Rename yybegin; do not call yyparse.
2054         (yyend): New.
2055         * gengtype.c (xasprintf): Export again.
2056         (this_file): New.  Use everywhere __FILE__ was being used.
2057         (get_lang_bitmap): Special case types defined in gengtype.c.
2058         (do_typedef, new_structure): Suppress definition of certain types.
2059         (new_structure): Improve diagnostics of duplicate definitions.
2060         Make sure location_s is associated with input.h.
2061         (nreverse_pairs, define_location_structures): New functions.
2062         (main): Improve tagging of kludge types.  Remove old kludges
2063         for input.h types; use define_location_structures.
2064         * gengtype.h: Update prototypes.  Define token codes here.
2065         * Makefile.in: Remove all references to gengtype-yacc.
2066         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2067         and gengtype.
2068         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2069         add GTY((skip)) to the field that's only conditionally there.
2070         * doc/install.texi: Document that Bison is no longer required
2071         unless building treelang.
2072
2073         * gengtype.c: Don't include gtyp-gen.h.
2074         (srcdir): Declare here.
2075         (base_files, lang_dir_names): Allocate dynamically.
2076         (gt_files, num_gt_files, num_lang_dirs): New globals.
2077         (measure_input_list, read_input_line, read_input_list)
2078         (set_lang_bitmap): New functions.
2079         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2080         simplify, relying on read_input_list to set up the bitmaps.
2081         (main): Arguments are no longer unused.  Check for correct number
2082         of command line arguments, set srcdir and srcdir_len, then call
2083         read_input_list, before doing anything else.  No need to worry
2084         about duplicates in main loop.
2085         * configure.ac: Simplify the calculation of all_gtfiles.
2086         Put language tags in there.  Don't set or substitute
2087         all_gtfiles_files_langs or all_gtfiles_files_frags.
2088         * Makefile.in: Revamp the way gengtype is invoked, now that it
2089         takes a file on its command line with a much simpler format.
2090         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2091         (GTFILES): Remove duplicates and C source files.
2092         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2093         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2094         * configure: Regenerate.
2095
2096         * gengtype.h: Remove all type definitions to gengtype.c; leave
2097         only definitions of options_p, type_p, and pair_p as opaque
2098         pointers.  Update prototypes.
2099         * gengtype.c: Many type definitions moved here from gengtype.h.
2100         Consolidate type definitions at the top of the file.
2101         (xvasprintf): Delete.
2102         (xasprintf): Make static.
2103         (create_nested_pointer_option): Add 'next' parameter.
2104         (create_field_all, create_field_at): New functions.
2105         (create_field): Now a thin wrapper around create_field_all.
2106         (create_optional_field): Rename create_optional_field_ and add
2107         line argument.  Original name is now a macro which supplies
2108         __LINE__.
2109         (oprintf): Use vsnprintf directly.
2110         (close_output_files): Use fatal rather than perror/exit.
2111         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2112         (main): Set progname.  Don't use exit.
2113         * gengtype-yacc.y (struct_fields): Use create_field_at.
2114         (option, optionseqopt): Delete.
2115         (optionseq): Consolidate productions from option here so we
2116         can use the first argument to create_option.
2117
2118         * gengtype-lex.l: Distinguish unions from structures in the
2119         token type.  Don't call find_structure; return the tag as a string.
2120         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2121         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2122         Reorganize typedef_struct production accordingly.
2123         Use create_nested_ptr_option.
2124         * gengtype.c (create_nested_ptr_option): New function.
2125         * gengtype.h: Declare it.
2126
2127         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2128         (string_type): Don't declare.
2129         (do_scalar_typedef): Declare.
2130         (create_scalar_type): Update prototype.
2131         * gengtype.c (string_type): Make static.
2132         (scalar_nonchar, scalar_char): New.
2133         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2134         (resolve_typedef): Use scalar_nonchar for error recovery.
2135         (create_scalar_type): Remove name_len field.  Return scalar_char
2136         or scalar_nonchar as appropriate.
2137         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2138         to use string_type.
2139         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2140         whenever possible.
2141         (main): Initialize scalar_char and scalar_nonchar before calling
2142         gen_rtx_next.
2143         * gengtype-lex.l: Adjust for removal of second argument to
2144         create_scalar_type.  Use yylval.s instead of yylval.t when
2145         returning SCALAR.
2146         * gengtype-yacc.y: Type of SCALAR is string.  Call
2147         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2148         second argument to create_scalar_type.
2149
2150         * vec.h: Remove all #if IN_GENGTYPE blocks.
2151         Add comment saying that changes may require adjustments to gengtype.
2152         * gengtype.c: Don't include coretypes.h or tm.h.
2153         Add comment to inclusion of errors.h.
2154         (note_def_vec, note_def_vec_alloc): New functions.
2155         * gengtype.h: Declare new functions.
2156         * gengtype-lex.l: Don't include coretypes.h.
2157         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2158         Delete.
2159         (update_lineno): Remove unnecessary prototype.
2160         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2161         (VEC rule): Just return VEC_TOKEN.
2162         * gengtype-yacc.y (VEC_TOKEN): New token type.
2163         (type): Add a production for VEC(a,b).
2164         * Makefile.in: Update dependencies.
2165
2166         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2167         typedefs that use the old PARAMS macro.
2168
2169         * gengtype-lex.l: Remove all rules and states relating to yacc
2170         input files.
2171         * gengtype-yacc.y: Similarly.
2172         * gengtype.c (note_yacc_type): Delete function.
2173         * gengtype.h: Update prototypes.
2174
2175 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2176
2177         * tree-pretty-print.c (dump_generic_node): Report precision of
2178         unnamed integer types.
2179
2180 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2181
2182         * ifcvt.c (noce_try_store_flag_constants): Don't check
2183         no_new_pseudos here.
2184         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2185         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2186         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2187         noce_try_sign_mask): Likewise.
2188         (if_convert): Check no_new_pseudos here.
2189
2190         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2191         Remove prototypes.
2192         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2193         (noce_get_condition): Handle new then_else_reversed argument.
2194         (noce_init_if_info): Remove, fold into noce_find_if_block.
2195         (noce_process_if_block): Take a struct noce_if_info as the
2196         argument.  Don't set up one based on ce_if_info.  Update pointer
2197         references accordingly.
2198         (cond_move_process_if_block): Likewise.
2199         (process_if_block): Removed.
2200         (find_if_block): Removed.  Move functionality two new functions,
2201         noce_find_if_block and cond_exec_find_if_block.
2202         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2203         blocks and the symmetric IF-ELSE-JOIN case.
2204         (cond_exec_find_if_block): Also new function mostly based on old
2205         find_if_block and process_if_block.
2206         (find_if_header): Replace find_if_block call with separately
2207         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2208         (find_cond_trap): Update noce_get_condition call.
2209         (dead_or_predicable): Likewise.
2210
2211 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2212
2213         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2214         Remove.
2215         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2216         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2217         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2218         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2219         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2220         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2221         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2222         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2223         __builtin_ia32_psrad128 builtins.
2224
2225 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2226
2227         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2228         * config/i386/constraints.md
2229         (define_constraint "I"): Use IN_RANGE macro.
2230         (define_constraint "J"): Ditto.
2231         (define_constraint "K"): Ditto.
2232         (define_constraint "M"): Ditto.
2233         (define_constraint "N"): Ditto.
2234         (define_constraint "O"): Ditto.
2235         * config/i386/predicates.md
2236         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2237         (define_predicate "const_0_to_3_operand"): Ditto.
2238         (define_predicate "const_0_to_7_operand"): Ditto.
2239         (define_predicate "const_0_to_15_operand"): Ditto.
2240         (define_predicate "const_0_to_63_operand"): Ditto.
2241         (define_predicate "const_0_to_255_operand"): Ditto.
2242         (define_predicate "const_1_to_31_operand"): Ditto.
2243         (define_predicate "const_2_to_3_operand"): Ditto.
2244         (define_predicate "const_4_to_7_operand"): Ditto.
2245
2246 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2247
2248         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2249         in SImode for save_world.
2250         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2251         LR hard reg.
2252
2253 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2254
2255         PR tree-optimization/30784
2256         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2257         BIT_FIELD_REF.
2258
2259 2007-03-25  Revital Eres  <eres@il.ibm.com>
2260
2261         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2262           Fold movement_possibility function into it.
2263
2264 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2265
2266         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2267         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2268         (call_indirect_nonlocal_darwin64): Same.
2269         (call_nonlocal_darwin64): Same.
2270         (call_value_indirect_nonlocal_darwin64): Same.
2271         (call_value_nonlocal_darwin64): Same.
2272         (sibcall_nonlocal_darwin64): Same.
2273         (sibcall_value_nonlocal_darwin64): Same.
2274         (sibcall_symbolic_64): Same.
2275         (sibcall_value_symbolic_64): Same.
2276         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2277         LR pseudo.
2278         (rs6000_emit_load_toc_table): Same.
2279         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2280         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2281         (mull_call): Same.
2282         (divss_call): Same.
2283         (divus_call): Same.
2284         (quoss_call): Same.
2285         (quous_call): Same.
2286         (load_toc_v4_pic_si): Same
2287         (load_toc_v4_PIC_1): Same.
2288         (load_toc_v4_PIC_1b): Same.
2289         (call_indirect_aix{32,64}): Same.
2290         (call_value_indirect_aix{32,64}): Same.
2291         (call): Same.
2292         (call_value): Same.
2293         (call_local{32,64}): Same.
2294         (call_value_local{32,64}): Same.
2295         (call_indirect_nonlocal_aix{32,64}): Same.
2296         (call_nonlocal_aix{32,64}): Same.
2297         (call_value_indirect_nonlocal_aix{32,64}): Same.
2298         (call_value_nonlocal_aix{32,64}): Same.
2299         (call_indirect_nonlocal_sysv<mode>): Same.
2300         (call_nonlocal_sysv<mode>): Same.
2301         (call_value_indirect_nonlocal_sysv<mode>): Same.
2302         (call_value_nonlocal_sysv<mode>): Same.
2303         (sibcall): Same.
2304         (sibcall_local{32,64}): Same.
2305         (sibcall_value_local{32,64}): Same.
2306         (sibcall_nonlocal_aix{32,64}): Same.
2307         (sibcall_value_nonlocal_aix{32,64}): Same.
2308         (sibcall_nonlocal_sysv<mode>): Same.
2309         (sibcall_value): Same.
2310         (sibcall_value_nonlocal_sysv<mode>): Same.
2311
2312 2007-03-24  Paul Brook  <paul@codesourcery.com>
2313
2314         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2315         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2316
2317 2007-03-24  Richard Henderson  <rth@redhat.com>
2318
2319         * config/ia64/constraints.md: New file.
2320         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2321         satisfies_constraint_?.
2322         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2323         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2324         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2325         ia64_output_mi_thunk): Likewise.
2326         (ia64_const_ok_for_letter_p): Remove.
2327         (ia64_const_double_ok_for_letter_p): Remove.
2328         (ia64_extra_constraint): Remove.
2329         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2330         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2331         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2332         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2333         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2334         EXTRA_MEMORY_CONSTRAINT): Remove.
2335         * config/ia64/ia64.md: Include constriants.md.  Replace
2336         CONST_OK_FOR_? with satisfies_constraint_?.
2337
2338 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2339             H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2342         DPD or BID name.
2343         (name macros): Use DPD_BID_NAME to convert names properly.
2344
2345         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2346         decimal floating point format.
2347         (init_floating_libfuncs): Change decimal functions so that they
2348         have a "bid_" prefix if the decimal system uses the BID format,
2349         and "dpd_" prefix if the decimal system uses the DPD format.
2350         (init_interclass_conv_libfuncs): Ditto.
2351         (init_intraclass_conv_libfuncs): Ditto.
2352
2353         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2354         using the BID format.
2355
2356         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2357         whether we are using the BID decimal format.
2358         * configure: Regenerate.
2359
2360         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2361         the compiler has decimal floating point enabled.  Define
2362         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2363         instead of DPD.
2364
2365         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2366         using the BID format.
2367
2368         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2369         whether we are using the BID decimal format.
2370         * configure: Regenerate.
2371
2372         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2373         the compiler has decimal floating point enabled.  Define
2374         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2375         instead of DPD.
2376
2377         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2378         options, and that it is enabled for i386/x86_64 systems.
2379
2380         * Makefile.in (enable_decimal_float): New.
2381         (DECNUMFMT): New.
2382         (DECNUMINC): Add  -I$(DECNUMFMT).
2383         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2384         to $(DECNUMFMT) from $(DECNUM).
2385
2386         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2387         Substitute enable_decimal_float.
2388         * configure: Regenerated.
2389
2390         PR other/30529
2391         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2392         unsigned long.
2393
2394         * configure.ac: Enable decimal float for x86_64-*-linux*.
2395         * configure: Regenerated.
2396
2397         PR other/30530
2398         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2399         decimal128ClearSign to flip and clear the sign bit in decimal128.
2400         (decimal_real_maxval): Set decimal128SetSign to set the sign
2401         bit in decimal128.
2402
2403 2007-03-23  Ian Lance Taylor  <iant@google.com>
2404
2405         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2406
2407 2007-03-23  Ian Lance Taylor  <iant@google.com>
2408
2409         * tree-dump.c (dump_files): Correct comment.
2410
2411 2007-03-23  Ian Lance Taylor  <iant@google.com>
2412
2413         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2414
2415 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2416
2417         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2418         in cfglayout mode.  Don't go into and out of cfglayout mode.
2419         Link the blocks in the order of the constructed traces.
2420         (rest_of_handle_tracer): Adjust call to tracer.
2421         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2422         Don't go into cfglayout mode.
2423         (rtl_loop_done): Don't go out of cfglayout mode.
2424         * cfglayout.c (relink_block_chain): New function, split out from...
2425         (fixup_reorder_chain): ...here.  Remove redundant checking.
2426         (cfg_layout_finalize): Don't clear the header, footer, and aux
2427         fields here, move the code to do so to relink_block_chain.  Likewise
2428         for free_original_copy_tables.
2429         * rtl.h (tracer): Update prototype.
2430         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2431         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2432         mode.  Use relink_block_chain to serialize the CFG according to the
2433         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2434         here...
2435         (gate_handle_reorder_blocks): ...to here.
2436         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2437         from here...
2438         (gate_duplicate_computed_gotos): ...to here.
2439         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2440         something always changes when going into and out of cfglayout mode.
2441         Perform an expensive cfg cleanup while going into cfglayout mode.
2442         Always update liveness information on HAVE_conditional_execution
2443         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2444         * reg-stack.c: Include cfglayout.h.
2445         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2446         the call to reorder_basic_blocks.
2447         * basic-block.h (reorder_basic_blocks): Update prototype.
2448         (relink_block_chain): New prototype.
2449         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2450
2451 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2452
2453         * config/mips/mips.md (type, hazard, *movdi_32bit,
2454         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2455         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2456         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2457         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2458         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2459         applicable.
2460         (movcc): Change first xfer to multi.
2461         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2462         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2463         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2464         config/mips/generic.md: Change reservations using "xfer" to use
2465         "mfc,mtc".
2466         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2467         using match_operand.
2468         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2469         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2470         examining mode.
2471         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2472
2473 2007-03-22  Richard Henderson  <rth@redhat.com>
2474
2475         * config/i386/i386.c: Remove unnecessary function declarations.
2476         Move targetm definition, and all related macros, to the end of
2477         the file.  Resort some functions to put definitions before uses.
2478         (ix86_attribute_table): Make static.  Move to end of file.
2479         (ix86_gimplify_va_arg): Make static.
2480
2481 2007-03-22  Richard Henderson  <rth@redhat.com>
2482
2483         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2484         don't increase local_regparm with force_align_arg_pointer check.
2485         (ix86_function_sseregparm): Assert 32-bit.
2486         (type_has_variadic_args_p): New.
2487         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2488         type_has_variadic_args_p.
2489         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2490         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2491         use memset instead.  Do maybe_vaarg check first; skip attribute
2492         tests if true; skip attribute tests for 64-bit.
2493         (construct_container): Remove TARGET_DEBUG_ARG.
2494         (function_arg_advance_32, function_arg_advance_64): Split out ...
2495         (function_arg_advance): ... from here.
2496         (function_arg_32, function_arg_64): Split out ...
2497         (function_arg): ... from here.
2498         (ix86_pass_by_reference): Tidy.
2499         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2500         (function_value_32): New, from parts of ix86_function_value
2501         and ix86_value_regno.
2502         (function_value_64): New, from parts of ix86_function_value
2503         and ix86_libcall_value.
2504         (ix86_function_value_1): New.
2505         (ix86_function_value, ix86_libcall_value): Use it.
2506         (return_in_memory_32, return_in_memory_64): Split out ...
2507         (ix86_return_in_memory): ... from here.
2508         (ix86_struct_value_rtx): Skip for 64-bit.
2509         (ix86_libcall_value, ix86_value_regno): Remove.
2510         (setup_incoming_varargs_64): Split out ...
2511         (ix86_setup_incoming_varargs): ... from here.
2512         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2513         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2514         * config/i386/i386-protos.h (ix86_function_value): Remove.
2515         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2516
2517 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2518
2519         PR other/23572
2520         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2521         infinities not supported, otherwise emit warning if -Woverflow. On
2522         underflow, emit warning if -Woverflow.
2523         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2524         and 0 otherwise.
2525         * real.h (real_from_string): Update declaration
2526
2527 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2528             Richard Henderson  <rth@redhat.com>
2529
2530         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2531         * calls.c (compute_argument_block_size, expand_call,
2532         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2533         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2534         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2535         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2536         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2537         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2538         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2539         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2540         Set to 1.
2541
2542 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2543
2544         * c-incpath.c (add_sysroot_to_chain): New.
2545         (merge_include_chains): Add sysroot argument.  Call
2546         add_sysroot_to_chain if sysrooted.
2547         (register_include_chains): Update call to merge_include_chains.
2548         * doc/cppopts.texi: Document use of '=' in include directory
2549         arguments.
2550
2551 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2552
2553         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2554         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2555         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2556         insn pattern using X87MODEF12 mode macro.
2557
2558 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2559
2560         * regmove.c (regmove_optimize): Use reg_mentioned_p
2561         instead of reg_overlap_mentioned_p for DST.
2562
2563 2007-03-21  Mike Stump  <mrs@apple.com>
2564
2565         * c.opt: Fixup for Objective-C/C++.
2566
2567 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2568
2569         * explow.c (convert_memory_address): Fold memory reference when
2570         POINTERS_EXTEND_UNSIGNED < 0
2571
2572 2007-03-21  Richard Henderson  <rth@redhat.com>
2573
2574         PR target/31245
2575         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2576         * config/i386/mmintrin.h (__m64): Likewise.
2577         * config/i386/xmmintrin.h (__m128): Likewise.
2578
2579 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2580
2581         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2582         (VXWORKS_OS_CPP_BUILTINS): Define.
2583         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2584         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2585
2586 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2587
2588         * rtl.h (constant_pool_reference_p): Delete.
2589         (find_constant_src): Declare.
2590         * rtlanal.c (find_constant_src): New function.
2591         * simplify-rtx.c (constant_pool_reference_p): Delete.
2592         * config/i386/i386.md: Use find_constant_src instead of
2593         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2594
2595 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2596
2597         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2598         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2599
2600 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2601
2602         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2603         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2604         (arm_elf_asm_constructor): Use it.
2605         (arm_elf_asm_destructor): New function.
2606
2607 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2608
2609         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2610
2611 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2612
2613         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2614
2615 2007-03-19  Andrew Haley  <aph@redhat.com>
2616
2617         PR tree-optimization/31264
2618         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2619         VIEW_CONVERT_EXPRs.
2620
2621 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2622
2623         PR rtl-optimization/30907
2624         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2625         (fwprop_init): Always call loop_optimizer_initialize.
2626         (fwprop_done): Always call loop_optimizer_finalize.
2627         (fwprop): We always have loop info now.
2628         (gate_fwprop_addr): Remove.
2629         (pass_fwprop_addr): Use gate_fwprop as gate.
2630
2631         PR rtl-optimization/30841
2632         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2633         df_chain_alloc): Call df_reorganize_refs unconditionally.
2634         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2635         refs_organized to refs_organized_size.
2636         (df_ref_create_structure): Use refs_organized_size instead of
2637         bitmap_size if refs had been organized, and keep refs_organized_size
2638         up-to-date.
2639         * df.h (struct df_ref_info): Change refs_organized to
2640         refs_organized_size.
2641         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2642         bitmap_size.
2643
2644 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2645
2646         * except.c (output_function_exception_table): Do not reference the
2647         EH personality routine for functions that do not require an
2648         exception table.
2649
2650 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2651
2652         PR c/30762
2653         * c-typeck.c (convert_for_assignment): Call comptypes for
2654         RECORD_TYPE or UNION_TYPE.
2655
2656         PR inline-asm/30505
2657         * reload1.c (reload): Do invalid ASM checking after
2658         cleanup_subreg_operands.
2659
2660 2007-03-19  Jeff Law  <law@redhat.com>
2661
2662         * tree-cfg.c (find_taken_edge): Tighten conditions for
2663         optimizing computed gotos.
2664
2665 2007-03-19  Michael Matz  <matz@suse.de>
2666
2667         * builtins.c (expand_builtin_sync_operation,
2668         expand_builtin_compare_and_swap,
2669         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2670         correctly.
2671
2672         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2673         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2674         for operand 3.
2675
2676 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2677
2678         * doc/tm.texi: Add brackets around the return type of
2679         TARGET_SECONDARY_RELOAD.
2680
2681 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2682         Richard Guenther  <rguenther@suse.de>
2683
2684         PR tree-optimization/31254
2685         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2686         Use handled_component_p () where appropriate.  Continue
2687         propagating into the rhs if we propagated into an INDIRECT_REF
2688         on the lhs.
2689
2690 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2691
2692         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2693         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2694         (xde, xdee): Mode attributes adjusted to support DFP modes.
2695         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2696         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2697         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2698         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2699         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2700         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2701         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2702         numbers.
2703         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2704         "movsf"): Insn definitions removed.
2705         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2706         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2707         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2708         definitions added.
2709         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2710         "reload_in<mode>", "reload_out<mode>"): Expander added.
2711         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2712         Expander removed.
2713
2714 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2715
2716         * config/s390/s390.md: Only non-functional changes.  Renamed
2717         FPR mode macro to BFP all over the file.
2718
2719 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2720
2721         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2722         (op_type attribute): RRF instruction type added.
2723         (fT0): New mode attribute.
2724         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2725         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2726         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2727         no secondary memory is needed when moving DFmode values between GPRs
2728         and FPRs.
2729
2730 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2731
2732         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2733         inverted and documentation adjusted.
2734         ("mhard-dfp", "msoft-dfp"): New options.
2735         * config/s390/s390.c (s390_handle_arch_option): New architecture
2736         switch: z9-ec.
2737         (override_options): Sanity checks for the new options added.
2738         * config.gcc: New architecture switch: z9-ec.
2739         * config/s390/s390.h (processor_flags): PF_DFP added.
2740         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2741         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2742         when the bit is NOT set so remove it from the defaults.
2743
2744 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2745
2746         * genemit.c (main): Print include statement for dfp.h.
2747         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2748         is not available.
2749
2750 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2751
2752         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2753
2754 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2755
2756         PR target/31022
2757         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2758         instead of PATTERN.
2759
2760 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2761
2762         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2763         attr_length_call, output_call, output_indirect_call): Cleanup
2764         formatting of targetm calls.
2765
2766 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2767
2768         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2769
2770 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2771
2772         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2773         reservation, bypass and anti-bypass descriptions for these instructions.
2774         Update move patterns.
2775         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2776         TYPE_FPSTORE.
2777
2778 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2779
2780         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2781         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2782         (get_initial_def_for_reduction): Likewise.
2783
2784 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2785
2786         Fix PR tree-optimization/29922
2787         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2788         (get_representative): Removed.
2789         (value_dies_in_block_x): Update for rvuse removal.
2790         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2791         (compute_antic_aux): Handle when PHI nodes appear in
2792         non-single-successors.
2793         (dump_bitmap_of_names): Removed.
2794         (compute_antic_safe): Renamed and removed rvuse calculation.
2795         Calculate only antic safe.
2796         (insert_into_preds_of_block): Remove assert.
2797         (execute_pre): Update for renamed functions.
2798         (defer_or_phi_translate_block): New function.
2799
2800 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2801
2802         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2803         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2804         typos.
2805         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2806         Follow spelling conventions.
2807
2808         * tree-data-ref.h: Remove the prototype for analyze_array.
2809
2810 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2811
2812         PR tree-optimization/31041
2813         * tree-vect-transform.c (get_initial_def_for_induction): Call
2814         force_gimple_operand.
2815
2816 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2817
2818         * ipa-type-escape.c (look_for_casts) : Revert code to use
2819         handled_component_p due to ada test a-numaux.adb.
2820
2821 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2822
2823         * final.c (final_scan_insn): Alter the condition of a
2824         conditional trap if we have nonstandard CC.
2825
2826 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2827
2828         * configure.ac: Remove excess quoting from asm line 0 test.
2829         * configure: Rebuilt.
2830
2831 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2832
2833         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2834         * c-common.c (convert_and_check): Move warning logic to...
2835         (warnings_for_convert_and_check): ...here. Define.
2836         * c-common.h (warnings_for_convert_and_check): Declare.
2837
2838 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2839
2840         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2841         (output_call): Likewise.
2842
2843 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2844
2845         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2846
2847 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2848
2849         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2850
2851 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2852
2853         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2854         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2855
2856 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2857
2858         PR tree-optimization/31183
2859         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2860         Use double_int instead of unsigned int for representing access_strides.
2861         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2862
2863 2007-03-16  Richard Guenther  <rguenther@suse.de>
2864
2865         PR tree-optimization/31146
2866         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2867         to allow recursion of forward_propagate_addr_expr.
2868         (forward_propagate_addr_into_variable_array_index): Likewise.
2869         (forward_propagate_addr_expr): Likewise.
2870         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2871         (forward_propagate_addr_expr_1): Recurse on simple copies
2872         instead of propagating into them.  Do so for useless conversions
2873         as well.
2874         (forward_propagate_addr_expr): Clean up unused statements after
2875         recursion.
2876
2877 2007-03-16  Richard Guenther  <rguenther@suse.de>
2878
2879         * builtins.c (expand_builtin_cexpi): Use the right argument
2880         for the expansion via cexp.
2881
2882 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2883
2884         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2885         * configure: Rebuilt.
2886
2887 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2888
2889         PR debug/29906
2890         * dwarf2out.c (force_type_die): Adjust comment.
2891         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2892
2893 2007-03-15  DJ Delorie  <dj@redhat.com>
2894
2895         * config/frv/predicates.md (minmax_operator): Don't check operands
2896         here.
2897
2898 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2899
2900         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2901         Update constant estimates of number of iterations.
2902         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2903         argument renamed to "realistic".
2904         (compute_estimated_nb_iterations): Removed.
2905         (record_niter_bound): New function.
2906         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2907         call record_nonwrapping_iv with upper = false.
2908         (infer_loop_bounds_from_signedness): Pass upper argument to
2909         record_nonwrapping_iv.
2910         (estimate_numbers_of_iterations_loop): Do not call
2911         compute_estimated_nb_iterations.  Record estimate based on profile
2912         information.  Initialize the constant estimates of number of
2913         iterations.
2914         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2915         estimates.
2916         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2917         number of iterations is too small.
2918         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2919         (EST_NOT_AVAILABLE): Removed.
2920         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2921         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2922         fields.
2923
2924 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2925
2926         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2927         Handle NE_EXPR guards.
2928
2929 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2930
2931         PR c++/24924
2932         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2933         Set also -pedantic-errors by default for the  preprocessor unless
2934         -fpermissive is given.
2935
2936 2007-03-15  Richard Guenther  <rguenther@suse.de>
2937
2938         PR middle-end/29719
2939         PR middle-end/31161
2940         * builtins.c (expand_builtin_cexpi): As a fallback if we
2941         don't have builtins for sincos or cexp create a function
2942         declaration for cexp and expand to a call to that.
2943         (expand_builtin_int_roundingfn): Always fall
2944         back to floor/ceil and its variants even if they may be
2945         not available.
2946
2947 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2948
2949         PR middle-end/31159
2950         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2951         jump tables, move the call to delete_dead_jumptables from here...
2952         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2953         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2954         don't allow merging of blocks that try_redirect_by_replacing_jump
2955         also does not handle when not optimizing.
2956
2957 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2958             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2959
2960         * config/i386/i386.md (x86_sahf_1): Correctly handle
2961         HAVE_AS_IX86_SAHF.
2962
2963 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2964
2965         PR target/31167
2966         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2967         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2968         from operand constraints and use "e" constraint instead.
2969         (*subti3_1, *subti3_1 splitter): Ditto.
2970         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2971         operand[1] predicate.
2972
2973 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2974
2975         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2976         arrays, multiply the access strides by the size of the sub-array.
2977         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2978
2979 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2980
2981         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2982         the configured assembler supports the sahf mnemonic.
2983         * configure: Regenerate.
2984         * config.in: Regenerate.
2985
2986         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2987         emit "sahf" or ".byte\t0x9e" as asm template.
2988
2989 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2990
2991         PR 31018
2992         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2993         option to replace hard coded TARGET_xxx in md file.
2994         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2995         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2996         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2997         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2998         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2999         (X86_TUNE_NOT_VECTORMODE): Ditto.
3000         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3001         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3002         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3003         (TUNE_SLOW_IMUL_IMM8): Ditto.
3004         (TUNE_MOVE_M1_VIA_OR): Ditto.
3005         (TUNE_NOT_UNPAIRABLE): Ditto.
3006         (TUNE_NOT_VECTORMODE): Ditto.
3007
3008         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3009         options.
3010
3011         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3012         tuning options instead of hard coded TARGET_xxx.
3013         (fix ssemode peephole2's): Ditto.
3014         (imul peephole2's): Ditto.
3015         (movsi_or): Ditto.
3016         (movdi_or_rex64): Ditto.
3017         (move peephole2): Ditto.
3018         (not peephole2's): Ditto.
3019
3020 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3021
3022         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3023         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3024         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3025         of empty body.
3026         * c-parser.c (c_parser_do_statement): Warn about empty body in
3027         do/while statement.
3028         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3029         * doc/invoke.texi (-Wempty-body): Update documentation.
3030
3031 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3032
3033         PR c/21438
3034         * c-common.h (warn_for_div_by_zero): Declare.
3035         * c-common.c (warn_for_div_by_zero): Define.
3036         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3037         warning.
3038
3039 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3040
3041         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3042         to PREFIX and STANDARD_PREFIX.
3043
3044 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3045             Phil Edwards  <phil@codesourcery.com>
3046
3047         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3048         (__gthread_once_t): Remove busy field for RTPs.
3049         (__GTHREAD_ONCE_INIT): Update accordingly.
3050
3051 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3052
3053         * doc/invoke.texi: Document VxWorks options.
3054
3055 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3056
3057         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3058
3059 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3060
3061         PR tree-optimization/30590
3062         * tree-nrv.c (tree_nrv): Check for the partial update of the
3063         return value.
3064
3065 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3066
3067         * flags.h (flag_random_seed): Remove declaration, in favor of...
3068         * toplev.h (get_random_seed, set_random_seed): ... these.
3069         * tree.c (get_file_function_name): Use the former.
3070         * opts.c (common_handle_option): Use the latter.
3071         * toplev.c
3072
3073 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3074
3075         PR middle-end/31127
3076         * cse.c (cse_find_path): Do not bail out if a basic block that
3077         we already visited now becomes part of a path that starts at a
3078         different basic block.  Just disallow this, to make sure we
3079         visit each basic block at most once.
3080
3081 2007-03-13  Jan Hubicka  <jh@suse.cz>
3082
3083         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3084         when profile esitmate is present, calls with very low frequency are
3085         cold.
3086
3087 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3088
3089         PR tree-optimization/30730
3090         PR tree-optimization/26900
3091         * tree-ssa-loop-niter.c: Include gmp.h.
3092         (bounds): New type.
3093         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3094         split_to_var_and_offset, determine_value_range,
3095         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3096         bound_difference, bounds_add, bounds_negate,
3097         number_of_iterations_ne_max, dump_affine_iv): New functions.
3098         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3099         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3100         difference of initial and final value of control iv to validate
3101         results.
3102         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3103         on the difference of the extremes of the control iv.  Add dumps.
3104         (expand_simple_operations): Handle phi nodes.
3105         (simplify_using_initial_conditions): Do not record used conditions.
3106         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3107         Do not set additional_info.
3108         (implies_nonnegative_p, implies_ge_p): Removed.
3109         (derive_constant_upper_bound): Do not use parameter `additional'.
3110         (record_estimate): Parameter `additional' removed.  Parameter
3111         `i_bound' added.  Do not call derive_constant_upper_bound.
3112         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3113         bound the number of iterations estimate.
3114         (estimate_numbers_of_iterations_loop): Pass the estimate from
3115         the number of iterations analysis to record_estimate.
3116         * tree.h (multiple_of_p): Declare.
3117         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3118         (scev_const_prop): Do not check expression_expensive_p.
3119         * fold-const.c (multiple_of_p): Exported.
3120         * double-int.c (double_int_mask): Exported.
3121         * double-int.h (double_int_mask): Declare.
3122         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3123         field.  Added max field.
3124
3125 2007-03-13  David Taylor  <taylor@candd.org>
3126
3127         PR driver/12448:
3128         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3129         default -MQ.
3130
3131 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3132
3133         PR target/31123
3134         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3135         two unamed patterns.
3136
3137 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3138
3139         * config/i386/i386.opt (mcx16, msahf): New options.
3140         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3141         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3142
3143         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3144         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3145         Output -mcx16 and -msahf options when corresponding bit is set.
3146
3147         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3148         and -msahf options.
3149
3150 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3151
3152         * configure.ac: Test for assembler tolerance to # 0 "".
3153         * configure, config.in: Rebuilt.
3154         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3155
3156 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3157
3158         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3159
3160         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3161         (handle_syscall): Handle direct system calls.
3162         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3163
3164 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3165
3166         * doc/invoke.texi: Fix cpp.info cross-reference.
3167         * doc/passes.texi: Fix gcc.info cross-reference.
3168
3169 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3170
3171         PR tree-optimization/30835
3172         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3173         bb_for_stmt is not NULL before accessing it.
3174
3175 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3176
3177         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3178         some multilibs.
3179
3180 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3181
3182         PR 30635
3183         * doc/install.texi: Document --enable-stage1-languages
3184
3185 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3186
3187         * tree-pass.h (pass_into_cfg_layout_mode,
3188         pass_outof_cfg_layout_mode): Declare.
3189         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3190         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3191         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3192         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3193
3194 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3195
3196         * c-decl.c (warn_variable_length_array): New function.
3197         Refactored from grokdeclarator to handle warn_vla
3198         and handle unnamed array case.
3199         (grokdeclarator): Refactored VLA warning case.
3200         * c.opt (Wvla): New flag.
3201         * doc/invoke.texi (Wvla): New warning.
3202
3203 2007-03-12  Richard Henderson  <rth@redhat.com>
3204
3205         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3206         (TARGET_SECTION_TYPE_FLAGS): New.
3207
3208 2007-03-12  Richard Henderson  <rth@redhat.com>
3209
3210         * config/darwin.c (machopic_reloc_rw_mask): New.
3211         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3212         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3213
3214 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3215
3216         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3217         * cppdefault.h (cpp_PREFIX): Document.
3218         (cpp_PREFIX_len): Likewise.
3219         (cpp_EXEC_PREFIX): New variable.
3220         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3221         * c-incpath.c (add_standard_paths): Correct logic for relocating
3222         paths within prefix.
3223
3224 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3225
3226         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3227         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3228         mode macro.
3229         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3230         fix_truncdfdi_sse using SSEMODEF mode macro.
3231         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3232         fix_truncdfsi_sse using SSEMODEF mode macro.
3233         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3234         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3235
3236 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3237
3238         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3239         elfos.h to tm_file.
3240
3241 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3242
3243         * tree.h : Add multiple_of_p declaration.
3244         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3245         * ipa-type-escape.c (results_of_malloc): Redundant.
3246         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3247         (cast_type): Extended with new members.
3248         (check_cast): Returns cast_type.
3249         (cast): New structure for data of walk_use_def_chains.
3250         (is_malloc_result, is_cast_from_non_pointer_1,
3251         is_cast_from_non_pointer,
3252         is_array_access_through_pointer_and_index): New functions.
3253         (look_for_casts): Returns cast types.
3254         (check_call): Returns void.
3255         (okay_pointer_operation): Use support of pointer plus index,
3256         pointer plus constant and allow all multiplications.
3257
3258 2007-03-11  Richard Guenther  <rguenther@suse.de>
3259
3260         PR tree-optimization/31115
3261         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3262         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3263         A shift count of zero is not special as with *_DIV_EXPR.
3264         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3265         direction.
3266
3267 2007-03-11  Ian Lance Taylor  <iant@google.com>
3268
3269         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3270         the *_DIV_EXPR codes correctly with overflow infinities.
3271
3272 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3273
3274         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3275         indicate success/failure of the analysis. Add negation to subtrahend
3276         in case of subtraction. Fail if both operands contain constants.
3277         (create_data_ref): Fail if analyze_offset fails.
3278
3279 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3280
3281         * config/i386/i386.md (frndintxf2): Rename to ...
3282         (rintxf2): ... this. Remove expander having same name.
3283         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3284         (roundsf2, rounddf2): Ditto.
3285         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3286         (lround<mode>di2, lround<mode>si2): Ditto.
3287
3288 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3289
3290         * lower-subreg.c: Include except.h.
3291         (decompose_multiword_subregs): Verify that the only control flow
3292         insns we can split are loads to multi-words pseudos.
3293         Handle breaking such blocks after splitting, instead of calling
3294         find_many_sub_basic_blocks.
3295
3296         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3297         on the new basic block.  Add a lengthy comment explaining why we
3298         thought this was necessary.
3299         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3300
3301 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3302
3303         PR c++/30924
3304         * tree.c (walk_type_fields): Recurse into the element type of
3305         ARRAY_TYPEs if there is a pointer set.
3306
3307 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3308
3309         * c-common.c (warn_logical_operator): Fix condition.
3310
3311 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3312
3313         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3314         quotation mark.
3315         * config/darwin.c (machopic_select_section): Remove superfluous
3316         argument in call to categorize_decl_for_section.  Remove unused
3317         variable shlib.
3318
3319 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3320
3321         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3322         defined.
3323         * configure: Regenerate.
3324
3325 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         PR target/31101
3328         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3329         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3330         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3331         Add LABEL_NUSES to emitted label.
3332         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3333         branch probability value to emitted jump insn.
3334         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3335         Do not check life information and do not re-arrange input operands
3336         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3337
3338 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3339
3340         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3341         the change of decode_asm_operands.
3342
3343 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3344
3345         * mode-switching.c (create_pre_exit): Skip blockage insn.
3346
3347 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3348
3349         * tree-pass.h (TODO_update_smt_usage): Remove.
3350         Update all users.
3351         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3352         argument SOME.
3353         Update all users.
3354
3355 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3356
3357         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3358         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3359         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3360         SOM target.
3361
3362 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3363
3364         * gcc.c: Document %{, in big comment at top.
3365         (input_suffix_matches): Remove special handling for .s and
3366         .S.
3367         (input_spec_matches): New.
3368         (handle_braces): Handle %{,.
3369         (validate_switches): ',' indicates a value which is not a switch.
3370         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3371         to detect assembler input.
3372         * config/i386/sol2.h (CPP_SPEC): Likewise.
3373         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3374         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3375         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3376         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3377         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3378         -m64 causes deployment target to default to 10.5.
3379         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3380
3381 2007-03-09  Richard Henderson  <rth@redhat.com>
3382
3383         PR target/26090
3384         * target.h (targetm.asm.out.reloc_rw_mask): New.
3385         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3386         (TARGET_ASM_OUT): Use it.
3387         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3388         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3389         use the new reloc_rw_mask target hook instead.
3390         (default_section_type_flags_1): Merge into...
3391         (default_section_type_flags): ... here.
3392         (decl_readonly_section_1): Merge into...
3393         (decl_readonly_section): ... here.
3394         (default_elf_select_section_1): Merge into...
3395         (default_elf_select_section): ... here.
3396         (default_unique_section_1): Merge into...
3397         (default_unique_section): ... here.
3398         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3399         (default_select_rtx_section): Use it.
3400         (default_elf_select_rtx_section): Likewise.
3401         * output.h: Update to match.
3402         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3403         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3404         (TARGET_ASM_RELOC_RW_MASK): New.
3405         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3406         to categorize_decl_for_section.
3407         (x86_64_elf_unique_section): Likewise.
3408         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3409         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3410         (TARGET_ASM_RELOC_RW_MASK): New.
3411         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3412         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3413         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3414         (TARGET_RWRELOC): Remove.
3415         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3416         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3417         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3418         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3419         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3420         (rs6000_xcoff_select_section): Use decl_readonly_section.
3421         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3422         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3423         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3424         (TARGET_SECTION_TYPE_FLAGS): Remove.
3425         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3426
3427 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3428
3429         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3430         complex constant equality/inequality comparisons for here.
3431         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3432         known at compile-time or can be simplified to a scalar comparison.
3433         (fold_relational_const): Move compile-time evaluation of complex
3434         constant equality/inequality comparisons to here.
3435
3436 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3437
3438         PR rtl-optimization/30643
3439         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3440         dest_addr_elt.
3441         (fold_rtx): Recurse, like before 2006-11-03.
3442
3443 2007-03-09  DJ Delorie  <dj@redhat.com>
3444
3445         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3446         m32c-pragma.o.
3447
3448 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3449
3450         PR tree-optimization/30375
3451         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3452         LHS of statements is not the same.
3453         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3454
3455 2007-03-09  Chao-ying Fu  <fu@mips.com>
3456
3457         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3458         REV 2.
3459         * doc/invoke.texi (-mdspr2): Document new option.
3460         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3461         New unspec for DSP REV 2.
3462         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3463         these instructions are extended in DSP REV 2.
3464         (mips-dspr2.md): Include.
3465         * config/mips/mips.opt (mdspr2): New option.
3466         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3467         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3468         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3469         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3470         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3471         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3472         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3473         and 2 builtins.
3474         (bdesc_map): Add one field of unsupported_target_flags.
3475         (bdesc_arrays):  Update entries to have extra fields.  Add
3476         dsp_32only_bdesc.
3477         (mips_init_builtins): Initialize new function types.
3478         Check unsupported_target_fileds to filter out builtins.
3479         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3480         TARGET_DSPR2.
3481         (ASM_SPEC): Pass mdspr2 to the assembler.
3482         * config/mips/mips-dspr2.md: New file.
3483
3484 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3485
3486         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3487
3488 2007-03-09  Ian Lance Taylor  <iant@google.com>
3489
3490         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3491         argument) like -Wstrict-overflow=2.
3492         * doc/invoke.texi (Warning Options): Update documentation.
3493
3494 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3495
3496         PR c++/17946
3497         * doc/invoke.texi (-Wlogical-op): Document.
3498         * common.opt (-Wlogical-op): New.
3499         * c-common.h (warn_logical_operator): Declare.
3500         * c-common.c (warn_logical_operator): Define.
3501         * c-typeck.c (parser_build_binary_op): Call
3502         warn_logical_operator.
3503
3504 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3505
3506         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3507         * final.c (final_scan_insn): Test for non-"" file name.
3508
3509 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3510
3511         * doc/loop.texi: Document the Omega linear constraints solver.
3512         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3513         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3514         omega-hash-table-size, omega-max-keys, and
3515         omega-eliminate-redundant-constraints.
3516         * tree-pass.h (pass_check_data_deps): Declared.
3517         * omega.c: New.
3518         * omega.h: New.
3519         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3520         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3521         pass_check_data_deps): New.
3522         * tree-data-ref.c (init_data_ref): Remove declaration.
3523         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3524         (analyze_array): Renamed init_array_ref, move up initializations.
3525         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3526         Removed arguments that are set to NULL.
3527         (analyze_indirect_ref): Correct indentation, correct call to
3528         init_pointer_ref.
3529         (object_analysis): Call init_array_ref instead of analyze_array.
3530         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3531         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3532         of DR_ACCESS_FNS_ADDR.
3533         (init_omega_eq_with_af, omega_extract_distance_vectors,
3534         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3535         ddr_consistent_p): New.
3536         (compute_affine_dependence): Check consistency of ddrs when
3537         flag_check_data_deps is passed.
3538         (analyze_all_data_dependences): Uncomment.
3539         (tree_check_data_deps): New.
3540         * tree-data-ref.h: Include omega.h.
3541         (DR_ACCESS_FNS_ADDR): Removed.
3542         (data_dependence_relation): Add inner_loop.
3543         (DDR_INNER_LOOP): New.
3544         * common.opt (fcheck-data-deps): New.
3545         * tree-flow.h (tree_check_data_deps): Declare.
3546         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3547         (OBJS-common): Depend on omega.o.
3548         (omega.o): Define.
3549         * passes.c (pass_check_data_deps): Scheduled.
3550         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3551         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3552         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3553         PARAM_VECT_MAX_VERSION_CHECKS,
3554         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3555
3556 2007-03-09  Richard Guenther  <rguenther@suse.de>
3557
3558         PR tree-optimization/30904
3559         PR middle-end/31058
3560         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3561         the same way as *_DIV_EXPR.
3562
3563 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3564
3565         * recog.c (decode_asm_operands): No mixed declarations and code.
3566
3567 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3568
3569         * rtl.def (ASM_INPUT): Add location.
3570         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3571         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3572         (decode_asm_operands): Add loc operand.
3573         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3574         * stmt.c (expand_asm): Rename to...
3575         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3576         gen_rtx_ASM_INPUT_loc.
3577         (expand_asm_expr): Adjust.
3578         * recog.c (decode_asm_operands): Add loc operand.
3579         (check_asm_operands, extract_insn): Adjust.
3580         * reload1.c (maybe_fix_stack_asms): Likewise.
3581         * final.c (asm_insn_count): Likewise.
3582         (final_scan_insn): Output # line before and after asm.
3583
3584 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3585
3586         * tree-ssa-structalias.c (variable_info): Remove
3587         finished_solution.
3588         (new_var_info): Ditto.
3589         (shared_bitmap_info_t): New structure.
3590         (shared_bitmap_table): New variable.
3591         (shared_bitmap_hash): New function.
3592         (shared_bitmap_eq): Ditto
3593         (shared_bitmap_lookup): Ditto.
3594         (shared_bitmap_add): Ditto.
3595         (merge_smts_into): Change to take bitmap directly.
3596         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3597         (init_alias_vars): Init shared bitmap hashtable.
3598         (delete_points_to_sets): Delete shared bitmap hashtable.
3599         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3600         is_aliased removal as a change that was still necessary was
3601         deleted.
3602
3603 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3604
3605         * config/i386/i386.h (override_options): Conditionally disable
3606         x86_sahf for 64bit targets only.
3607
3608 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3609
3610         PR C/31072
3611         * c-decl.c (merge_decls): Don't call make_var_volatile.
3612         * varasm.c (make_var_volatile): Remove.
3613         * output.h (make_var_volatile): Remove.
3614
3615 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3616
3617         PR tree-optimization/31085
3618         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3619
3620 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3621
3622         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3623         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3624         ATTR_CONST_NOTHROW_LIST.
3625
3626         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3627         FIX_TRUNC_EXPR.
3628
3629 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3630
3631         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3632
3633 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3634
3635         PR 31013
3636         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3637         is declared.
3638         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3639         passed, use shared libgcc.
3640
3641 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3642
3643         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3644         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3645         (honor_protect_cleanup_actions, lower_try_finally_switch):
3646         Likewise.
3647         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3648         ifc_temp_var): Likewise.
3649         * tree-inline.c (setup_one_parameter): Likewise.
3650         * tree-mudflap.c (mf_decl_cache_locals,
3651         mf_build_check_statement_for): Likewise.
3652         * tree-nested.c (init_tmp_var, save_tmp_var,
3653         finalize_nesting_tree_1): Likewise.
3654         * tree-outof-ssa.c (insert_copy_on_edge,
3655         insert_backedge_copies): Likewise.
3656         * tree-profile.c (tree_gen_edge_profiler,
3657         tree_gen_ic_profiler): Likewise.
3658         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3659         * tree-sra.c (sra_build_assignment): Likewise.
3660         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3661         * tree-ssa-math-opts.c (insert_reciprocals,
3662         execute_cse_sincos_1): Likewise.
3663         * tree-tailcall.c (adjust_accumulator_values,
3664         adjust_return_value): Likewise.
3665         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3666         * tree-vect-transform.c (vect_create_data_ref_ptr,
3667         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3668         vect_create_epilog_for_reduction, vectorizable_reduction,
3669         vectorizable_call, vectorizable_conversion,
3670         vectorizable_assignment, vectorizable_operation,
3671         vectorizable_type_demotion, vect_gen_widened_results_half,
3672         vect_permute_store_chain, vectorizable_store,
3673         vect_setup_realignment, vect_permute_load_chain,
3674         vectorizable_load, vectorizable_condition,
3675         vect_create_cond_for_align_checks): Likewise.
3676         * tree-vrp.c (build_assert_expr_for): Likewise.
3677
3678 2007-03-08  Ian Lance Taylor  <iant@google.com>
3679
3680         * tree-vrp.c: Include "intl.h".
3681         (usable_range_p): New static function.
3682         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3683         overflowed values, juts set *strict_overflow_p.
3684         (compare_values): Only return -2 if one of the operands is not a
3685         constant.
3686         (compare_ranges): Call usable_range_p.
3687         (compare_range_with_value): Likewise.
3688         (vrp_evaluate_conditional_warnv): Rename from
3689         vrp_evaluate_conditional.  Make static.  Change all callers.
3690         (vrp_evaluate_conditional): New function.
3691         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3692         on signed overflow.
3693         (simplify_abs_using_ranges): Likewise.
3694         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3695         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3696         within_stmt parameter.
3697         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3698         vrp_evaluate_conditional.
3699         * tree-ssa-threadedge.c
3700         (record_temporary_equivalences_from_stmts_at_dest): Change
3701         simplify parameter to take a second tree parameter.
3702         (simplify_control_stmt_condition): Likewise.
3703         (thread_across_edge): Likewise.
3704         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3705         (thread_across_edge): Likewise.
3706         * Makefile.in (tree-vrp.o): Depend upon intl.h.
3707
3708 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3709
3710         * config/i386/i386.h (TARGET_SAHF): New define.
3711         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3712         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3713         (x86_sahf): New global variable.
3714         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3715         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3716         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3717         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3718         for 64-bit.
3719         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3720         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3721         when expanding fcomi/sahf based tests.
3722         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3723         expanding sahf based alternative. Emit sahf based sequence when
3724         optimizing for code size.
3725         * config/i386/i386.md (x86_sahf_1): Do not disable for
3726         TARGET_64BIT, enable for TARGET_SAHF.
3727
3728 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3729
3730         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3731         spurious whitespace from error message.
3732
3733 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3734
3735         PR c++/30852
3736         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3737
3738 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3739
3740         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3741         bitfields.
3742         * tree-sra.c (instantiate_element): Propagate disabled warnings
3743         from the element itself to the created variable.
3744
3745 2007-03-07  Richard Henderson  <rth@redhat.com>
3746
3747         PR target/30848
3748         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3749         silently fix up the stack in the case of a missing register.
3750
3751 2007-03-07  Paul Brook  <paul@codesourcery.com>
3752
3753         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3754
3755 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3756
3757         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3758         New.
3759         (phase1_vrs): Use them.
3760         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3761         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3762         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3763         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3764         __gnu_Unwind_Restore_WMMXC if required.
3765         (_Unwind_VRS_Pop): Implement iWMMXt support.
3766         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3767         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3768         gnu_Unwind_Save_WMMXC): Define.
3769
3770 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3771
3772         * config/vxworks.h (vxworks_override_options): Declare.
3773         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3774         * config/vxworks.c: Include target.h and toplev.h.
3775         (vxworks_override_options): New function.
3776         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3777
3778 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3779
3780         * config/s390/s390.c (override_options): Don't emit an error when
3781         -mstack-size is used without providing -mstack-guard.
3782         (s390_emit_prologue): Choose stack_guard value automatically if not
3783         provided via command line.
3784         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3785
3786 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3787
3788         * config/i386/i386.c (output_set_got): Add a GOT initialization
3789         sequence for VxWorks PIC.
3790         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3791         around labels as well as symbols.  Use gotoff_operand instead
3792         of local_symbolic_operand.
3793         (legitimize_pic_address): Use gotoff_operand instead of
3794         local_symbolic_operand.  Use @GOT accesses for labels as
3795         well as symbols.
3796         (ix86_output_addr_diff_elt): Use PC-relative rather than
3797         GP-relative offsets for VxWorks PIC.
3798         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3799         no_new_pseudos.  Check whether the returned register is op0.
3800         * config/i386/i386.md (tablejump): Use PC-relative rather than
3801         GP-relative offsets for VxWorks PIC.
3802         * config/i386/predicates.md (gotoff_operand): New predicate.
3803
3804 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3805
3806         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3807         before defining.
3808         * config/vxworks-dummy.h: New file.
3809         * config/i386/i386.h: Include it.
3810
3811 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3812
3813         * dwarf2out.c (is_inlined_entry_point): New
3814         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3815         DW_AT_ranges if the first subblock is the entry point.
3816
3817 2007-03-06  David Daney  <ddaney@avtrex.com>
3818
3819         * doc/install.texi (mips-*-*): Change recommended binutils
3820         version.
3821
3822 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3823
3824         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3825         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3826         devices.
3827         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3828         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3829
3830 2007-03-06  Jan Hubicka  <jh@suse.cz>
3831
3832         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3833         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3834         are hot.
3835         (probably_cold_bb_p): Cold functions are cold.
3836         (probably_never_executed_bb_p): Cold functions are cold.
3837         (tree_bb_level_predictions): Predict calls to cold functions as not
3838         taken.
3839         (compute_function_frequency): Check hot/cold attributes.
3840         * function.h (function_frequency): Update comments.
3841         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3842         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3843         (c_common_att): Add cold and hot.
3844
3845         * doc/extend.texi (hot,cold attributes): Document.
3846
3847 2007-03-06  Andrew Haley  <aph@redhat.com>
3848
3849         * function.c (expand_function_end): Move blockage to just after we
3850         emit the label for the naked return from the function.
3851
3852 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3853
3854         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3855         before redefining.
3856
3857 2007-03-06  Jan Hubicka  <jh@suse.cz>
3858
3859         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3860         loaded for constant large models.  Non-large 64bit PIC can do.
3861         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3862         * cmodel.h: Add LARGE PIC.
3863         * i386.md (UNSPEC_PLTOFF): New.
3864         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3865         needed.
3866         (*call_1_rex64): Disable for large models.
3867         (*call_1_rex64_large): New.
3868         (*call_value_1_rex64): Disable for large models.
3869         (*call_value_1_rex64_large): New.
3870         (set_rip_rex4): New.
3871         (set_got_offset_rex64): New.
3872         * predicates.md (constant_call_address_operand): For large model
3873         constant calls are not possible.
3874         * i386-protos.h (construct_plt_address): Declare.
3875         * i386.c (override_options): Accept large models.
3876         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3877         (legitimate_constant_p): Add new UNSPECs.
3878         (legitimate_pic_operand_p): Likewise.
3879         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3880         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3881         non-large model.
3882         (output_pic_addr_const): Add PLTOFF.
3883         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3884         (ix86_expand_move): Legitimize pic address when in PIC mode.
3885         (construct_plt_address): New function.
3886         (ix86_expand_call): Offload the address to register and use GOT pointer
3887         for large model.
3888         * invoke.texi (mcmodel=large): Update documentation.
3889
3890 2007-03-06  Richard Henderson  <rth@redhat.com>
3891
3892         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3893         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3894         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3895         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3896         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3897         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3898         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3899         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3900         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3901         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3902         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3903         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3904         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3905         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3906         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3907         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3908         x86_schedule, x86_use_bt, x86_pad_returns,
3909         x86_use_xchgb): Merge into ...
3910         (ix86_tune_features): ... here.  New array.
3911         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3912         x86_bswap): Merge into ...
3913         (ix86_arch_features): ... here.  New array.
3914         (x86_3dnow_a): Remove.
3915         (x86_accumulate_outgoing_args): Make static.
3916         (x86_arch_always_fancy_math_387): Make static.
3917         (ix86_tune_mask, ix86_arch_mask): Move ...
3918         (override_options): ... to local variables here.  Apply the
3919         appropriate mask to each element of ix86_arch_features and
3920         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3921         as were done in the old macros.
3922         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3923         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3924         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3925         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3926         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3927         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3928         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3929         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3930         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3931         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3932         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3933         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3934         x86_accumulate_outgoing_args, x86_prologue_using_move,
3935         x86_epilogue_using_move, x86_decompose_lea,
3936         x86_arch_always_fancy_math_387, x86_shift1,
3937         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3938         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3939         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3940         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3941         x86_use_incdec, x86_pad_returns, x86_bswap,
3942         x86_partial_flag_reg_stall): Remove.
3943         (enum ix86_tune_indices): New.
3944         (ix86_tune_features): New.
3945         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3946         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3947         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3948         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3949         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3950         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3951         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3952         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3953         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3954         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3955         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3956         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3957         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3958         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3959         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3960         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3961         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3962         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3963         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3964         TARGET_EXT_80387_CONSTANTS): Use it.
3965         (enum ix86_arch_indices): New.
3966         (ix86_arch_features): New.
3967         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3968         TARGET_BSWAP): Use it.
3969         (ix86_tune_mask, ix86_arch_mask): Remove.
3970
3971 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3972
3973         PR bootstrap/31020
3974         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3975         Define using $${sysroot_headers_suffix}.
3976         * configure: Regenerate.
3977         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3978         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3979         defined.
3980         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3981         * gcc.c (print_sysroot_headers_suffix): New.
3982         (option_map): Include --print-sysroot-headers-suffix.
3983         (display_help): Mention -print-sysroot-headers-suffix.
3984         (process_command): Handle -print-sysroot-headers-suffix.
3985         (do_spec_1): Append multilib directory to include-fixed path if
3986         sysroot suffixes in use.
3987         (main): Handle -print-sysroot-headers-suffix.
3988         * Makefile.in (start.encap): Don't depend on xlimits.h
3989         (xlimits.h): Remove.
3990         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3991         limits.h for each multilib in fixinc_list.
3992         (fixinc_list, s-fixinc_list): New.
3993         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3994         generate them for each multilib in fixinc_list.
3995         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3996         multilib in fixinc_list.
3997         (mostlyclean): Don't remove xlimits.h.
3998         (clean): Remove include-fixed.
3999         (real-install-headers-tar, real-install-headers-cpio,
4000         real-install-headers-cp): Don't copy include, only include-fixed.
4001         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4002         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4003         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4004         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4005
4006 2007-03-06  Jan Hubicka  <jh@suse.cz>
4007
4008         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4009         NANs easilly.
4010
4011 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4012
4013         * configure.ac: Allow tm_file to contain build-directory files.
4014         * configure: Regenerate.
4015         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4016         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4017         * config/m68k/print-sysroot-suffix.sh: New file.
4018
4019 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4020
4021         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4022         of pic_offset_table_rtx if reload_completed.
4023         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4024         PIC_OFFSET_TABLE_REGNUM.
4025         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4026         return true.
4027         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4028         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4029
4030 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4031
4032         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4033         functions that call eh_return.
4034
4035 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4036
4037         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4038         functions that need a constant pool.
4039
4040 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4041
4042         PR target/28181
4043         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4044         (m68k_preferred_reload_class): Likewise.
4045         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4046         (SECONDARY_RELOAD_CLASS): Define.
4047         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4048         (LIMIT_RELOAD_CLASS): Delete.
4049         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4050         registers from storing bytes.
4051         (m68k_secondary_reload_class): New function.
4052         (m68k_preferred_reload_class): Likewise.
4053
4054 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4055
4056         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4057         leaf functions.
4058         (m68k_expand_prologue): Likewise.
4059
4060 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4061
4062         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4063         (mips_expand_epilogue): Add a bool parameter.
4064         (m68k_legitimize_sibcall_address): Declare.
4065         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4066         (m68k_expand_epilogue): Add a parameter to select between sibling
4067         and normal epilogues.  Only generate a return for the latter.
4068         (m68k_ok_for_sibcall_p): New function.
4069         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4070         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4071         (sibcall_value, *sibcall_value): Likewise.
4072         (*call, *call_value): Require !SIBLING_CALL_P.
4073         (epilogue): Update call to m68k_expand_epilogue.
4074         (sibcall_epilogue): New pattern.
4075         * config/m68k/predicates.md (const_call_operand): Say that this
4076         predicate applies to sibling calls too.
4077         (sibcall_operand): New predicate.
4078
4079 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4080
4081         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4082         alternatives as movsi_cf.
4083         (movsf_cf_hard): Add commentary.
4084
4085 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4086             Richard Sandiford  <richard@codesourcery.com>
4087
4088         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4089         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4090         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4091         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4092         as being live on exit from an interrupt function.
4093         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4094         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4095         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4096         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4097         (m68k_interrupt_function_p): Globalize.
4098         (m68k_compute_frame_layout): Remove reverse mask code.
4099         (m68k_emit_movem, m68k_set_frame_related): New functions.
4100         (m68k_output_function_prologue): Delete in favor of...
4101         (m68k_expand_prologue): ...this new function.
4102         (m68k_output_function_epilogue): Delete in favor of...
4103         (m68k_expand_epilogue): ...this new function.
4104         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4105         functions.
4106         (print_operand): Handle %?.
4107         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4108         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4109         (prologue, epilogue): New patterns.
4110         (return): Turn into a define_expand.
4111         (*return): New pattern, derived from old "return" pattern.  Use rte
4112         rather than rts for interrupt functions.  Only use rtd if the pop
4113         count is nonzero.
4114         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4115         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4116         (link, *link, unlink, *unlink, load_got): Likewise.
4117
4118 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4119
4120         PR target/23482
4121         PR target/17114
4122         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4123         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4124         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4125         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4126         and m68k_matches_u_p.
4127         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4128         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4129         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4130         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4131         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4132         (REG_STRICT_P): New macro.
4133         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4134         PCREL_GENERAL_OPERAND_OK.
4135         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4136         m68k_legitimate_base_reg_p.
4137         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4138         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4139         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4140         * config/m68k/m68k.c (m68k_address): New structure.
4141         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4142         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4143         (m68k_jump_table_ref_p, m68k_decompose_address)
4144         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4145         (m68k_matches_u_p): New functions.
4146         (print_operand_address): Rewrite to use m68k_decompose_index.
4147
4148 2007-03-05  David Taylor  <dtaylor@emc.com>
4149
4150         * gcc.c: Correct copyright date in --version output.
4151
4152 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4153
4154         * pa.md: In unamed move patterns, disparge copies between general
4155         and floating point registers using '?' modifier.  Don't include 'f'
4156         constraint for register preferences in DImode, SImode, HImode and
4157         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4158         Remove constraints for copies between general and floating registers
4159         in soft-float DFmode pattern.
4160         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4161         floating register.
4162         (movsf): Likewise.
4163
4164 2007-03-05  Mike Stump  <mrs@apple.com>
4165
4166         * c-common.c (targetcm): Add.
4167         * c-opts.c (c_common_handle_option): Handle language specific
4168         target options.
4169         * opts.c (handle_option): Verify language for target options, if
4170         any are given.
4171         * opth-gen.awk: Add CL_LANG_ALL.
4172         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4173         (TARGETCM_INITIALIZER): Add.
4174         * target.h (struct gcc_targetcm): Add.
4175         (targetcm): Add.
4176         * targhooks.c (default_handle_c_option): Add.
4177         * targhooks.h (default_handle_c_option): Add.
4178         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4179
4180         * config/darwin.opt (iframework): Add.
4181         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4182         * config/darwin-c.c (handle_c_option): Add.
4183         (TARGET_HANDLE_C_OPTION): Add.
4184         (targetcm): Add.
4185         * doc/invoke.texi (Darwin Options): Add -iframework.
4186
4187 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4188
4189         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4190         conversion.
4191
4192 2007-03-05  Ian Lance Taylor  <iant@google.com>
4193
4194         * c.opt (fgnu89-inline): New option.
4195         * c-opts.c (c_common_post_options): Set default value for
4196         flag_gnu89_inline.
4197         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4198         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4199         inline functions.
4200         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4201         (grokdeclarator, start_function): Likewise.
4202         * c-cppbuiltin.c (c_cpp_builtins): Define either
4203         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4204         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4205         (C Dialect Options): Document -fgnu89-inline.
4206         * doc/extend.texi (Function Attributes): Explain what the
4207         gnu_inline attribute does.
4208         * doc/cpp.texi (Common Predefined Macros): Document
4209         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4210
4211 2007-03-05  Ian Lance Taylor  <iant@google.com>
4212
4213         PR tree-optimization/31034
4214         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4215         half-range if the other side is an overflow infinity.
4216
4217 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4218
4219         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4220         (bfin*-linux-uclibc*): New configuration.
4221         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4222         defining.
4223         * config/bfin/linux.h: New file.
4224         * config/bfin/libgcc-bfin.ver: New file.
4225         * config/bfin/t-bfin-uclinux: New file.
4226         * config/bfin/t-bfin-linux: New file.
4227         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4228         (TARGET_OS_CPP_BUILTINS): New macro.
4229
4230 2007-03-05  Richard Guenther  <rguenther@suse.de>
4231
4232         * fold-const.c (fold_binary): Remove duplicate folding
4233         of comparison of non-null ADDR_EXPR against null.
4234
4235 2007-03-05  Richard Guenther  <rguenther@suse.de>
4236             Dorit Nuzman  <dorit@il.ibm.com>
4237
4238         PR tree-optimization/26420
4239         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4240         are no loops in the function.  Only print the number of
4241         vectorized loops if it is greater than zero or we are supposed
4242         to print information about unvectorized loops.
4243
4244 2007-03-05  Revital Eres  <eres@il.ibm.com>
4245
4246         * gcc.dg/var-expand1.c: New test.
4247         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4248         when an accumulator is expanded.
4249
4250 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4251
4252         PR other/30465
4253         * c-common.c (convert_and_check): Don't give warnings for
4254         conversion if 'expr' already overflowed.
4255
4256 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4257
4258         PR middle-end/30744
4259         * fold-const.c (fold_comparison): Enforce type consistency when
4260         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4261
4262 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4263
4264         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4265         containing a cast to the base of TARGET_MEM_REF.
4266
4267 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4268
4269         * tree.c (tree_contains_struct_check_failed): Remove spurious
4270         whitespace from error message.
4271
4272 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4273
4274         PR target/30406
4275         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4276         instead of precision.
4277
4278 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4279             Nathan Sidwell  <nathan@codesourcery.com>
4280
4281         * emit-rtl.c (find_auto_inc): New.
4282         (try_split): recreate REG_INC notes,
4283         Use regular for loops rather than whiles.
4284
4285 2007-03-03  Andreas Schwab  <schwab@suse.de>
4286
4287         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4288         * configure: Regenerate.
4289
4290 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4291
4292         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4293         flag_rounding_math, not flag_unsafe_math_optimizations.
4294
4295         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4296         fold_build2.
4297         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4298         alpha_fold_vector_minmax): Likewise.
4299         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4300         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4301
4302 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4303
4304         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4305         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4306         if the lhs has side-effects.
4307         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4308
4309 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4310
4311         * config/i386/i386.h (TUNEMASK): Remove define.
4312         (ARCHMASK): Remove define.
4313         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4314          Use ix86_arch_mask variable instead of ARCHMASK.
4315         * config/i386/i386.c (override_options): Ditto.
4316         (standard_80387_constant_p): Ditto.
4317
4318 2007-03-02  Ian Lance Taylor  <iant@google.com>
4319
4320         Used signed infinities in VRP.
4321         * tree-vrp.c (uses_overflow_infinity): New static function.
4322         (supports_overflow_infinity): New static function.
4323         (make_overflow_infinity): New static function.
4324         (negative_overflow_infinity): New static function.
4325         (positive_overflow_infinity): New static function.
4326         (is_negative_overflow_infinity): New static function.
4327         (is_positive_overflow_infinity): New static function.
4328         (is_overflow_infinity): New static function.
4329         (overflow_infinity_range_p): New static function.
4330         (compare_values_warnv): New function split out of compare_values.
4331         (compare_value): Call it.
4332         (set_value_range_to_nonnegative): Add overflow_infinity
4333         parameter.  Change caller.
4334         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4335         Change callers.
4336         (vrp_expr_computes_nonzero): Likewise.
4337         (compare_ranges, compare_range_with_value): Likewise.
4338         (compare_name_with_value, compare_names): Likewise.
4339         (vrp_evaluate_conditional): Likewise.
4340         (set_value_range): Handle infinity
4341         (vrp_operand_equal_p, operand_less_p): Likewise.
4342         (extract_range_from_assert): Likewise.
4343         (vrp_int_const_binop): Likewise.
4344         (extract_range_from_binary_expr): Likewise.
4345         (extract_range_from_unary_expr): Likewise.
4346         (extract_range_from_comparison): Likewise.
4347         (extract_range_from_expr): Likewise.
4348         (dump_value_range): Likewise.
4349         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4350         (test_for_singularity): Likewise.
4351         (vrp_int_const_binop): Remove inline qualifier.
4352         (adjust_range_with_scev): Add comment.
4353         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4354
4355 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4356
4357         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4358         (get_constraint_for): Likewise.
4359         (do_structure_copy): Likewise.
4360         (find_func_aliases): Fix references to MODIFY_EXPR.
4361         (intra_create_variable_infos): Tidy.
4362         * tree-ssa-operands.c (add_virtual_operand): Add argument
4363         IS_CALL_SITE.
4364         When adding members of alias sets, if IS_CALL_SITE is true and
4365         the symbol is not call-clobbered, skip it.
4366         Adjust all callers.
4367
4368 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4369
4370         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4371         entry by means of emit_insn_at_entry.
4372
4373 2007-03-02  Richard Henderson  <rth@redhat.com>
4374
4375         * expr.h (promoted_input_arg): Remove decl.
4376         * function.c (promoted_input_arg): Merge into ...
4377         * combine.c (setup_incoming_promotions): ... only caller.
4378         Rearrange to avoid double loop.
4379
4380 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4381             Peter Bergner  <bergner@vnet.ibm.com>
4382             Janis Johnson  <janis187@us.ibm.com>
4383
4384         * config/rs6000/dfp.md: New file.
4385         * config/rs6000/rs6000.md: Include dfp.md.
4386         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4387         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4388         and TDmode decimal float modes in FP registers.
4389         (num_insns_constant): Likewise.
4390         (rs6000_legitimate_offset_address_p): Likewise.
4391         (rs6000_legitimize_address): Likewise.
4392         (rs6000_legitimize_reload_address): Likewise.
4393         (rs6000_legitimate_address): Likewise.
4394         (rs6000_emit_move): Likewise.
4395         (function_arg_boundary): Likewise.
4396         (function_arg_advance): Likewise.
4397         (rs6000_darwin64_record_arg_recurse): Likewise.
4398         (function_arg): Likewise.
4399         (rs6000_gimplify_va_arg): Likewise.
4400         (rs6000_split_multireg_move): Likewise.
4401         (rs6000_output_function_epilogue): Likewise.
4402         (rs6000_output_function_epilogue): Likewise.
4403         (rs6000_register_move_cost): Likewise.
4404         (rs6000_function_value): Likewise.
4405         (rs6000_libcall_value): Likewise.
4406
4407 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4408
4409         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4410
4411 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4412
4413         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4414         Use $MULTIDIR to choose between the kernel and RTP headers,
4415         and use $WIND_BASE and $WIND_USR to locate them.
4416
4417 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4418
4419         * config/i386/i386.c (override_options): Put initialization of
4420         ix86_tune_mask and ix86_arch_mask to the correct place.
4421
4422 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4423             Michael Meissner  <michael.meissner@amd.com>
4424
4425         PR target/31019
4426         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4427         (ARCHMASK): Define.
4428         (TARGET_CMOVE): Use ARCHMASK.
4429         (TARGET_CMPXCHG): Ditto.
4430         (TARGET_CMPXCHG8B): Ditto.
4431         (TARGET_XADD): Ditto.
4432         (TARGET_BSWAP): Ditto.
4433         * config/i386/i386.c (ix86_tune_mask): New global variable.
4434         (ix86_arch_mask): Ditto.
4435         (override_options): Initialize ix86_tune_mask and
4436         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4437         target_flags.
4438
4439 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4440
4441         PR 30992
4442         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4443
4444 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4445
4446         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4447         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4448         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4449         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4450         hook.
4451         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4452         rs6000_init_dwarf_reg_sizes_extra): New.
4453         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4454         SPE register high parts.
4455
4456 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4457
4458         * Makefile.in: Add install-pdf target as
4459         copied from automake v1.10 rules.
4460         * configure.ac: Add install-pdf to target list.
4461         * configure: Regenerate.
4462
4463 2007-03-01  Paul Brook  <paul@codesourcery.com>
4464
4465         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4466         modes to LDRD for DImode.
4467         (output_move_double): Fixup out of range ldrd/strd.
4468         (vfp_secondary_reload_class): Rename...
4469         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4470         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4471         coproc_secondary_reload_class for CLASS_IWMMXT.
4472         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4473         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4474
4475 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4476
4477         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4478         factor by the estimated number of iterations.
4479         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4480         prefetch latency.
4481
4482         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4483         decode_caches_intel, detect_caches_intel): New functions.
4484         (host_detect_local_cpu): Use detect_caches_amd and
4485         detect_caches_intel.
4486
4487 2007-03-01  Richard Henderson  <rth@redhat.com>
4488
4489         * expr.c (emit_move_complex_push): Export.
4490         (emit_move_complex_parts): Split out from ...
4491         (emit_move_complex): ... here.
4492         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4493         * config/i386/i386.md (movcdi): New.
4494
4495 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4496
4497         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4498         size of mode1 to check for tieable modes in MMX case.
4499
4500 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4501
4502         * Makefile.in (rtlanal.o): Depend on tree.h.
4503         * rtl.h (offset_within_section_p, split_const): Declare.
4504         * rtlanal.c: Include tree.h.
4505         (offset_within_block_p): New function, taken from
4506         mips_offset_within_object_p.
4507         (split_const): New function, taken from mips_split_const.
4508         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4509         Declare.
4510         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4511         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4512         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4513         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4514         (m68k_illegitimate_symbolic_constant_p): New function.
4515         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4516         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4517         symbolic constant that might be outside the symbol's section,
4518         move the symbol first and then add the offset.
4519         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4520         Override.
4521         * config/mips/mips.c (mips_split_const): Delete.
4522         (mips_offset_within_object_p): Delete.
4523         (mips_symbolic_constant_p): Use offset_within_section_p and
4524         split_const instead of mips_offset_within_object_p and
4525         mips_split_const.
4526         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4527         (mips_legitimize_const_move, print_operand_reloc)
4528         (mips_dangerous_for_la25_p): Use split_const instead of
4529         mips_split_const.
4530
4531 2007-02-28  Eric Christopher  <echristo@apple.com>
4532
4533         * Makefile.in (install-include-dir): Don't rm -rf include.
4534
4535 2007-02-28  Richard Guenther  <rguenther@suse.de>
4536
4537         PR middle-end/30364
4538         * fold-const.c (fold_binary): Do not associate expressions
4539         with more than one variable for integer types that do not wrap.
4540
4541 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4542
4543         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4544         Delete, and replace with...
4545         (fold_builtin_call_array): This.  Update callers to use it.
4546         * fold-const.c (fold_build_call_list): Delete, and replace with...
4547         (fold_build_call_array): This.
4548         (fold_build_call_list_initializer): Delete, and replace with...
4549         (fold_build_call_array_initializer): This.
4550         * tree.h: Update declarations to reflect above changes.
4551
4552         * c-typeck.c (build_function_call): Store converted arguments
4553         in a stack-allocated array instead of building a list.
4554         (convert_arguments): Store arguments in the array passed in as an
4555         argument, and return the actual number of arguments.
4556         * c-format.c: (check_function_format): Pass arguments in an
4557         array instead of a list.
4558         * c-common.c (check_function_nonnull): Likewise.
4559         (check_function_sentinel): Likewise.
4560         (check_function_arguments): Likewise.
4561         * c-common.h: Update declarations to reflect above changes.
4562
4563 2007-02-28  Jan Hubicka  <jh@suse.cz>
4564
4565         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4566         PRED_NEGATIVE_RETURN): Update outcomes.
4567
4568 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4569
4570         * calls.c (emit_library_call_value_1): Handle partial registers
4571         correctly when building up CALL_INSN_FUNCTION_USAGE.
4572
4573 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4574
4575         * pa/predicates.md (move_src_operand): Allow zero for mode.
4576         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4577         move pattern.
4578
4579 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4580
4581         PR target/30970
4582         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4583         *movv2df_internal): Enable pattern only for valid operand
4584         combinations.
4585         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4586         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4587
4588 2007-02-27  Mike Stump  <mrs@apple.com>
4589
4590         * config/darwin-crt3.c: Avoid compilation when compiling for a
4591         kext multilib.
4592
4593 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4594
4595         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4596         FIXED_INCLUDE_DIR.
4597         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4598         for fixed headers and limits.h.
4599         (install-include-dir, install-headers-tar, install-headers-cpio,
4600         install-headers-cp, real-install-headers-tar,
4601         real-install-headers-cpio, real-install-headers-cp): Handle
4602         include-fixed as well as include.
4603         (install-mkheaders): Don't install files that go only in include
4604         not include-fixed.
4605         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4606         from GCC_INCLUDE_DIR.
4607         * gcc.c (process_command): Remove special -BstageN/ handling.
4608         (do_spec_1): Add include-fixed directories.
4609
4610 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4611
4612         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4613         _smulsi3_highpart.
4614         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4615         New functions.
4616         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4617         patterns.
4618
4619 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4620
4621         * c-common.c (get_priority): Add check for
4622         SUPPORTS_INIT_PRIORITY.
4623
4624 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4625
4626         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4627
4628         * config/bfin/bfin.c: Include "cfglayout.h".
4629         (MAX_LSETUP_DISTANCE): New macro.
4630         (struct loop_info): New members incoming, incoming_src and
4631         incoming_dest.  Delete member predecessor.
4632         (length_for_loop): New function.
4633         (bfin_optimize_loop): Handle more different loop structures.
4634         (bfin_discover_loop): Rework detection of predecessor blocks by
4635         examining incoming edges.
4636         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4637         bfin_reorg_loops.
4638         (bfin_reorder_loops): New function.
4639         (bfin_reorg_loops): Use these three new functions.
4640
4641         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4642         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4643         (CONSTRAINT_LEN): Add entry for 'q'.
4644         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4645         Add 'q' constraints.
4646         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4647         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4648
4649         * config/bfin/bfin.md (add_with_carry): New pattern.
4650         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4651         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4652         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4653         support unsigned multiplies too.  Removed incorrect commutativity from
4654         operand 1 constraint where appropriate.
4655         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4656         patterns.
4657         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4658         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4659         New patterns.
4660         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4661         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4662         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4663         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4664         usmulhisi_hh_huh): New patterns.
4665
4666         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4667         lshifthi3): Fix output template to use half reg for operand 2.
4668
4669         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4670         instead of R2.
4671
4672         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4673
4674 2007-02-27  Andreas Schwab  <schwab@suse.de>
4675
4676         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4677
4678 2007-02-27  Jan Hubicka  <jh@suse.cz>
4679
4680         * predict.c (last_basic_block_p): Remove.
4681         (tree_estimate_probability): Update return heuristic for commonized
4682         return blocks.
4683
4684 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4685
4686         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4687
4688 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4689
4690         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4691         * doc/cpp.texi: Standardize title page.
4692         * doc/cppinternals.texi: Likewise.
4693         * doc/gcc.texi: Standardize title page, remove version number
4694         from copyright page.
4695         * doc/gccint.texi: Likewise.
4696         * doc/install.texi: Standardize title page, add table of
4697         contents.
4698
4699 2007-02-26  Jan Hubicka  <jh@suse.cz>
4700
4701         * predict.def: Set outcomes according to more recent results.
4702         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4703         Remove dead predictors.
4704         * predict.c (return_prediction): Fix pasto.
4705
4706 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4707
4708         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4709         change; avoid a memory leak when returning early.
4710
4711 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4712
4713         * c-decl.c (static_ctors): Move to c-common.c.
4714         (static_dtors): Likewise.
4715         (finish_function): Use c_record_cdtor_fn.
4716         (build_cdtor): Move to c-common.c.
4717         (c_write_global_declarations): Use c_build_cdtor_fns.
4718         * c-common.h (static_ctors): Declare.
4719         (static_dtors): Likewise.
4720         (c_record_cdtor_fn): Likewise.
4721         (c_build_cdtor_fns): Likewise.
4722         * c-common.c (static_ctors): New variable.
4723         (static_dtors): Likewise.
4724         (c_record_cdtor_fn): New function.
4725         (build_cdtor): Move from c-decl.c
4726         (c_build_cdtor_fns): New function.
4727
4728         * output.h (assemble_addr_to_section): Declare.
4729         (get_cdtor_priority_section): Likewise.
4730         * varasm.c (assemble_addr_to_section): New function.
4731         (get_cdtor_priority_section): Likewise.
4732         (default_named_section_asm_out_destructor): Use them.
4733         (destor_dtor_section_asm_out_destructor): Likewise.
4734         (default_named_section_asm_out_constructor): Likewise.
4735         (default_ctor_section_asm_out_constructor): Likewise.
4736         * config.gcc (*-*-vxworks*): Include vxworks.o.
4737         * config/t-vxworks (vxworks.o): New target.
4738         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4739         (TARGET_ASM_CONSTRUCTOR): Define.
4740         (TARGET_ASM_DESTRUCTOR): Likewise.
4741         (vxworks_asm_out_constructor): Declare.
4742         (vxworks_asm_out_destructor): Likewise.
4743
4744         * c-common.c (get_priority): Check that we have not just an
4745         INTEGER_CST, but an integer constant with integeral type.
4746
4747 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4748
4749         PR tree-optimization/30938
4750         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4751         use &dt[nargs-1] instead of &dt[nargs] in the call to
4752         vect_is_simple_use().
4753
4754 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4755
4756         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4757         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4758         Do not attempt to handle MEM inside auto-inc expressions.
4759         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4760         of a register modified by an auto-inc expression.  However, do handle
4761         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4762         (elimination_effects): Prohibit elimination of a register modified
4763         by an auto-inc expression.  Disable register elimination rules whose
4764         target register is modified by an auto-inc expression with variable
4765         increment.
4766
4767 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4768
4769         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4770         off-by-one error.
4771         (array_at_struct_end_p): New function.
4772         (idx_infer_loop_bounds): Use it.
4773         (estimate_numbers_of_iterations_loop): Export.
4774         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4775         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4776         (tree_estimate_probability): Call record_loop_exits.
4777         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4778         (estimated_loop_iterations, estimated_loop_iterations_int,
4779         estimated_loop_iterations_tree): New functions.
4780         (analyze_siv_subscript_cst_affine,
4781         compute_overlap_steps_for_affine_1_2,
4782         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4783         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4784         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4785         (PRED_LOOP_ITERATIONS_GUESSED): New.
4786         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4787         * cfgloop.h (estimate_numbers_of_iterations_loop,
4788         estimated_loop_iterations_int): Declare.
4789
4790 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4791
4792         * doc/extend.texi: Document optional priority argument to
4793         constructors and destructors.
4794         * tree.c (init_priority_for_decl): Adjust GTY markers.
4795         (init_ttree): Use priority-info hash functions for
4796         init_priority_for_decl.
4797         (tree_map_eq): Rename to ...
4798         (tree_map_base_eq): ... this.
4799         (tree_map_marked_p): Rename to ...
4800         (tree_map_base_marked_p): ... this.
4801         (tree_map_base_hash): New function.
4802         (decl_init_priority_lookup): Rework.
4803         (decl_fini_priority_lookup): New function.
4804         (decl_priority_info): New function.
4805         (decl_init_priority_insert): Use it.
4806         (decl_fini_priority_insert): Likewise.
4807         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4808         hierarchy.
4809         (decl_restrict_base_insert): Likewise.
4810         (decl_debug_expr_insert): Likewise.
4811         (decl_value_expr_lookup): Likewise.
4812         (decl_value_expr_insert): Likewise.
4813         * tree.h (priority_type): New type.
4814         (decl_init_priority_lookup): Use priority_type.
4815         (decl_fini_priority_lookup): New function.
4816         (decl_init_priority_insert): Use priority_type.
4817         (decl_fini_priority_insert): New function.
4818         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4819         (DECL_INIT_PRIORITY): Likewise.
4820         (SET_DECL_INIT_PRIORITY): Add comment.
4821         (DECL_FINI_PRIORITY): New macro.
4822         (SET_DECL_FINI_PRIORITY): Likewise.
4823         (DEFAULT_INIT_PRIORITY): Document.
4824         (MAX_INIT_PRIORITY): Likewise.
4825         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4826         (tree_map_base): New type.
4827         (tree_map_base_eq): New function.
4828         (tree_map_base_hash): Likewise.
4829         (tree_map_base_marked_p): Likewise.
4830         (tree_map): Inherit from tree_map_base.
4831         (tree_map_eq): Make it a macro.
4832         (tree_map_marked_p): Likewise.
4833         (tree_int_map): Inherit from tree_map_base.
4834         (tree_int_map_eq): Make it a macro.
4835         (tree_int_map_hash): Likewise.
4836         (tree_int_map_marked_p): Likewise.
4837         (tree_priority_map): New type.
4838         (tree_priority_map_eq): New macro.
4839         (tree_priority_map_hash): Likewise.
4840         (tree_priority_map_marked_p): Likewise.
4841         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4842         hierarchy.
4843         (emutls_common_1): Likewise.
4844         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4845         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4846         of tree_map hierarchy.
4847         * tree-cfg.c (move_stmt_r): Likewise.
4848         (new_label_mapper): Likewise.
4849         * c-tree.h (c_expand_body): Move to ...
4850         * c-common.h (c_expand_body): ... here.
4851         * c-decl.c (c_expand_body): Move to ...
4852         * c-common.c (c_expand_body): ... here.
4853         (c_common_attribute_table): Allow 1 argument for the constructor
4854         and destructor attributes.
4855         (get_priority): New function.
4856         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4857         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4858
4859 2007-02-24  Jan Hubicka  <jh@suse.cz>
4860
4861         PR middle-end/30509
4862         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4863
4864 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4865             Jan Hubicka  <jh@suse.cz>
4866
4867         PR target/30778
4868         * i386.c (counter_mode): New function.
4869         (expand_set_or_movmem_via_loop): Use it.
4870         (expand_movmem_epilogue): Likewise; fix pasto.
4871         (ix86_expand_movmem): Do emit guard even for constant counts.
4872         (ix86_expand_setmem): Likewise.
4873
4874 2007-02-25  Nick Clifton  <nickc@redhat.com>
4875
4876         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4877         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4878
4879 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4880
4881         PR target/30770
4882         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4883         count argument with 0x10, not with 0x16.
4884         (expand_setmem_epilogue): Ditto.
4885
4886 2007-02-24  Mike Stump  <mrs@apple.com>
4887
4888         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4889         symbols.
4890
4891 2007-02-24  Richard Guenther  <rguenther@suse.de>
4892
4893         PR middle-end/30951
4894         * fold-const.c (fold_binary): Fold x +- CST op x for
4895         EQ_EXPR and NE_EXPR.
4896
4897 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4898
4899         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4900
4901 2007-02-24  Jan Hubicka  <jh@suse.cz>
4902
4903         * cgraphunit.c (decide_is_function_needed): Honor
4904         -fkeep-inline-functions.
4905
4906 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4907
4908         * builtins.c (fold_builtin_modf): New.
4909         (fold_builtin_2): Use it.
4910
4911 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4912
4913         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4914         (determine_max_iter): Take additional LOOP arg; all callers changed.
4915         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4916         one using simplifications.
4917         (simplify_using_initial_values): Return if the expression becomes
4918         invalid due to altered regs.
4919
4920 2007-02-23  DJ Delorie  <dj@redhat.com>
4921
4922         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4923
4924 2007-02-23  Mike Stump  <mrs@apple.com>
4925
4926         * tlink.c (scan_linker_output): Parse linker messages from
4927         darwin9's linker better.
4928
4929 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4930
4931         PR debug/29614
4932         * varpool.c (varpool_assemble_pending_decls):  Set
4933         varpool_last_needed_node to null.
4934
4935 2007-02-23  DJ Delorie  <dj@redhat.com>
4936
4937         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4938         alignment bigger than the object file can handle.
4939
4940 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4941
4942         PR target/30825
4943         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4944         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4945         (*movsf_1): Penalize MMX moves.
4946
4947 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4948
4949         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4950         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4951
4952         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4953
4954 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4955
4956         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4957         (fold_builtin_1): Use them.
4958         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4959         BUILT_IN_SIGNIFICAND.
4960
4961 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4962
4963         * config/i386/i386.c (bdesc_1arg): Initialize
4964         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4965         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4966         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4967         and IX86_BUILTIN_MOVSLDUP.
4968
4969 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4970
4971         PR rtl-optimization/30841
4972         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4973
4974 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4975
4976         * builtins.c (fold_builtin_frexp): New.
4977         (fold_builtin_2): Use it.
4978
4979 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4980
4981         * doc/invoke.texi (Spec Files): Document getenv spec function.
4982
4983         * gcc.c (getenv_spec_function): New function.
4984         (static_spec_functions): Add it.
4985         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4986         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4987         header files.
4988
4989 2007-02-22  Michael Matz  <matz@suse.de
4990
4991         PR c++/29433
4992         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4993         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4994
4995 2007-02-22  Ian Lance Taylor  <iant@google.com>
4996
4997         PR debug/30898
4998         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4999         (mem_loc_descriptor): Call it.
5000
5001 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5002             Ira Rosen  <irar@il.ibm.com>
5003
5004         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5005
5006 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5007
5008         PR tree-optimization/30843
5009         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5010         stores only after all the group is vectorized.
5011
5012 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5013
5014         PR tree-optimization/30858
5015         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5016         in the reduction cycle have a single use in the loop.
5017         * tree-vectorizer.h (relevant): Add documentation.
5018
5019 2007-02-20  Mike Stump  <mrs@apple.com>
5020
5021         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5022         * configure: Regenerate.
5023
5024 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5025
5026         Change the defaults of some parameters and options.
5027         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5028         * config/spu/spu.c (spu_optimization_options): Add.
5029         (spu_override_options): Change params in spu_optimization_options.
5030         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5031
5032         Register 127 is only 16 byte aligned when used as a frame pointer.
5033         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5034         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5035         HARD_FRAME_POINTER_REGNUM.
5036         (spu_legitimate_address):  Use regno_aligned_for_reload.
5037         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5038         aligned when frame_pointer_needed is true.
5039         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5040         to 8 bits.
5041         * config/spu/spu.h (INIT_EXPANDERS): Define.
5042
5043         Make sure shift and rotate instructions have valid immediate operands.
5044         * config/spu/predicates.md (spu_shift_operand): Remove.
5045         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5046         * config/spu/constraints.md (W, O): Extend range.
5047         * config/spu/spu.md (umask, nmask): Define.
5048         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5049         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5050         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5051         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5052         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5053         (lshr<mode>3_reg):  Fix rtl description.
5054
5055         Make sure mulhisi immediate operands are valid.
5056         * config/spu/predicates.md (imm_K_operand): Add.
5057         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5058
5059         Generate constants using fsmbi and andi.
5060         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5061         (print_operand, spu_split_immediate, classify_immediate,
5062         fsmbi_const_p): Handle IC_FSMBI2.
5063
5064         Correctly handle a CONST_VECTOR containing symbols.
5065         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5066         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5067         (immediate_load_p): Allow symbols that use 2 instructions to create.
5068         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5069         with symbols when flag_pic is set.
5070         (const_vector_immediate_p): New.
5071         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5072         accept a CONST_VECTOR with symbols.
5073         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5074         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5075         correctly.
5076         * config/spu/spu.md (high, low): Delete.
5077         (low_<mode>): Define.
5078
5079         Remove INTRmode and INTR_REGNUM, which didn't work.
5080         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5081         of INTR_REGNUM.
5082         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5083         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5084         peephole2 pattern): Don't use INTR or 131.
5085         (movintrcc): Delete.
5086         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5087         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5088         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5089         (UNSPEC_SET_INTR): Add.
5090         * config/spu/spu-modes.def (INTR): Remove.
5091
5092         More accurate warnings about run-time relocations.
5093         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5094
5095         Correctly warn about immediate arguments to specific intrinsics.
5096         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5097         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5098         the instruction predicate.
5099
5100         Fix tree check errors with latest update.
5101         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5102         CALL_EXPR_ARG.
5103         (spu_expand_builtin): Use CALL_EXPR_FN.
5104
5105         Add missing specific intrinsics.
5106         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5107         si_bislede.
5108         * config/spu/spu_internals.h: Ditto.
5109
5110         Fix incorrect operand modifiers.
5111         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5112         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5113
5114         Optimize one case of zero_extend of a vec_select.
5115         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5116
5117         Accept any immediate for hbr.
5118         * config/spu/spu.md (hbr):  Change s constraints to i.
5119
5120 2007-02-21  Paul Brook  <paul@codesourcery.com>
5121
5122         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5123         condexec_count when skipping USE and CLOBBER.
5124
5125 2007-02-21  Nick Clifton  <nickc@redhat.com>
5126
5127         * common.opt (Warray-bounds): Add Warning attribute.
5128         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5129         Likewise.
5130         (fsized-zeroes): Add Optimization attribute.
5131         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5132         * c.opt (Wc++0x-compat): Add Warning attribute.
5133
5134 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5135
5136         PR middle-end/30761
5137         * reload1.c (eliminate_regs_in_insn): In the single_set special
5138         case, attempt to re-recognize the insn before falling back to
5139         having reload fix it up.
5140
5141 2007-02-20  Eric Christopher  <echristo@gmail.com>
5142
5143         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5144         Rewrite accordingly.
5145         (frv_read_iacc_argument): Ditto.
5146         (frv_expand_set_builtin): Take a call instead of arglist, update for
5147         above changes.
5148         (frv_expand_unop_builtin): Ditto.
5149         (frv_expand_binop_builtin): Ditto.
5150         (frv_expand_cut_builtin): Ditto.
5151         (frv_expand_binopimm_builtin): Ditto.
5152         (frv_expand_voidbinop_builtin): Ditto.
5153         (frv_expand_int_void2arg): Ditto.
5154         (frv_expand_prefetches): Ditto.
5155         (frv_expand_voidtriop_builtin): Ditto.
5156         (frv_expand_voidaccop_builtin): Ditto.
5157         (frv_expand_load_builtin): Ditto.
5158         (frv_expand_store_builtin): Ditto.
5159         (frv_expand_mdpackh_builtin): Ditto.
5160         (frv_expand_mclracc_builtin): Ditto.
5161         (frv_expand_mrdacc_builtin): Ditto.
5162         (frv_expand_mwtacc_builtin): Ditto.
5163         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5164         calls for above.
5165
5166 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5167
5168         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5169         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5170         cmpb instruction.
5171         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5172         point instructions.
5173         * configure: Regenerate.
5174         * config.in: Regenerate.
5175         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5176         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5177         masks to power6 and power6x and to POWERPC_MASKS.
5178         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5179         _ARCH_PWR6.
5180         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5181         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5182         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5183         Access PROTOTYPE as variable, not mask.
5184
5185 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5186
5187         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5188         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5189         * combine.c (adjust_for_new_dest): Use it.
5190         * postreload.c (reload_combine): Likewise.
5191
5192 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5193
5194         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5195         notes on an insn with multiple sets, even if single_set returns
5196         non-NULL for that insn.
5197
5198 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5199
5200         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5201         scalbn and scalbln.
5202
5203 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5204
5205         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5206         if user didn't pass it.
5207         * config/i386/darwin.h (CC1_SPEC): Likewise.
5208         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5209         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5210         -mmacosx-version-min.
5211
5212 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5213             Uros Bizjak  <ubizjak@gmail.com>
5214
5215         * optabs.h (enum optab_index): Add new OTI_scalb.
5216         (scalb_optab): Define corresponding macro.
5217         * optabs.c (init_optabs): Initialize scalb_optab.
5218         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5219         patterns.
5220         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5221         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5222         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5223         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5224         flag_unsafe_math_optimizations is set.
5225
5226         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5227         to implement scalbf, scalb and scalbl built-ins as inline x87
5228         intrinsics.
5229
5230 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5231             DJ Delorie <dj@redhat.com>
5232
5233         PR other/30824
5234         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5235         (diagnostic_report_diagnostic): ... here, and turn them into real
5236         errors. If warnings are inhibited, no need to do anything.
5237
5238 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5239
5240         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5241         better code generation.
5242
5243 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5244
5245         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5246
5247 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5248
5249         * config/alpha/alpha.c, config/alpha/alpha.md,
5250         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5251         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5252         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5253         config/arm/lib1funcs.asm: Follow spelling conventions.
5254
5255         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5256         config/fr30/fr30.md, config/i386/i386.h,
5257         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5258         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5259         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5260         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5261         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5262         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5263         config/sparc/sparc.c, config/sparc/sparc.h,
5264         config/sparc/sparc.md, config/spu/constraints.md,
5265         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5266         conventions.
5267
5268 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5269
5270         PR target/29943
5271         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5272         alias attribute.
5273
5274 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5275
5276         * doc/invoke.texi (-ftree-lrs): Remove.
5277
5278 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5279
5280         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5281         NULL.
5282
5283 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5284
5285         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5286         new CALL_EXPR_FN macro for retrieving the function
5287         declaration of the input expression.
5288
5289 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5290
5291         * c.opt (Waddress): New.
5292         * common.opt (Walways-true): Delete.
5293         (Wstring-literal-comparison): Delete.
5294         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5295         -Wstring-literal-comparison. Add -Waddress.
5296         (Waddress): New.
5297         (Walways-true): Delete.
5298         (Wstring-literal-comparison): Delete.
5299         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5300         consistently instead of -Walways-true in example.
5301         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5302         * c-typeck.c (parser_build_binary_op): Replace
5303         -Wstring-literal-comparison and -Walways-true with -Waddress.
5304         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5305         with -Waddress.
5306
5307 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5308
5309         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5310         without DECL_STRUCT_FUNCTION initialized.
5311
5312 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5313
5314         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5315         due to calls to functions taking pointers as parameters.
5316
5317 2007-02-19  Richard Henderson  <rth@redhat.com>
5318
5319         PR debug/29558
5320         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5321         in memory.
5322
5323 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5324
5325         * config/s390/s390.c (s390_call_saved_register_used,
5326         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5327         accessed to the new scheme.
5328
5329 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5330
5331         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5332         (cris_print_index, cris_print_operand, cris_print_operand_address)
5333         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5334         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5335         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5336         GET_CODE () == xxx.
5337         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5338         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5339         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5340         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5341         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5342         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5343         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5344         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5345         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5346         (uminsi3, call, call_value): Ditto.
5347         (define_split: indir_to_reg_split, unnamed): Ditto.
5348
5349 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5350
5351         PR tree-optimization/30975
5352         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5353         wrong assert.
5354
5355 2007-02-18  Eric Christopher  <echristo@gmail.com>
5356
5357         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5358         Remove use of arglist.
5359         (mips_expand_builtin): Remove use of arglist, pass in expr.
5360         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5361         (mips_expand_builtin_movtf): Ditto.
5362         (mips_expand_builtin_compare): Ditto.
5363
5364 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5365
5366         * tree-sra.c (sra_build_assignment): Replace assertion
5367         checking with a comment explaining why it can't be done.
5368
5369 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5370
5371         PR middle-end/30833
5372         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5373         during CALL_EXPR representation conversion.
5374         * tree-ssa-propagate.c (set_rhs): Likewise.
5375
5376 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5377
5378         * tree-sra.c (sra_build_assignment): Disable assertion checking
5379         for now.
5380
5381 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5382
5383         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5384         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5385         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5386         Likewise.
5387         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5388         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5389         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5390         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5391         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5392         force_gimple_operand): Likewise.
5393         * ipa-cp.c (constant_val_insert): Likewise.
5394         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5395         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5396         perfect_nestify): Likewise.
5397         * langhooks.c (lhd_omp_assignment): Likewise.
5398         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5399         lower_copyprivate_clauses, lower_send_clauses,
5400         lower_send_shared_vars, expand_parallel_call,
5401         expand_omp_for_generic, expand_omp_for_static_nochunk,
5402         expand_omp_for_static_chunk, expand_omp_sections,
5403         lower_omp_single_copy, lower_omp_for_lastprivate,
5404         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5405         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5406         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5407         Likewise.
5408
5409 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5410
5411         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5412         config/sh/sh.md: Follow spelling conventions.
5413
5414         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5415         config/frv/predicates.md: Follow spelling conventions.
5416
5417         * config/m68k/linux-unwind.h: Fix a comment typo.
5418         * target.h: Follow spelling conventions.
5419
5420 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5421
5422         PR rtl-optimization/28173
5423         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5424         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5425         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5426         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5427         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5428
5429 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5430
5431         * builtins.c (fold_builtin_load_exponent): New.
5432         (fold_builtin_2): Use it.
5433
5434 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5435
5436         PR rtl-optimization/30773
5437         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5438         if we fail to attach a REG_EQUIV note.
5439
5440 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5441             Roger Sayle  <roger@eyesopen.com>
5442
5443         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5444
5445 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5446
5447         * calls.c (initialize_argument_information): Pass original EXP
5448         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5449         code to split complex arguments here, as part of initializing the
5450         ARGS array.
5451         (expand_call): Remove code that builds a list of arguments and
5452         inserts implicit arguments into it.  Instead, just count how many
5453         implicit arguments there will be so we can determine the size of
5454         the ARGS array, and let initialize_argument_information do the work.
5455         (split_complex_values): Delete unused function.
5456
5457 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5458
5459         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5460
5461 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5462
5463         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5464         for arg pointer based indexed addressing.
5465
5466 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5467
5468         * config/ia64/ia64.h, config/ia64/ia64.md,
5469         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5470         spelling conventions.
5471
5472 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5473
5474         * config/m68k/m68k.c (split_di): New.
5475         * config/m68k/m68k-protos.h: Declare split_di.
5476         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5477           Improve predicate handling and split constant shifts.
5478
5479 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5480
5481         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5482         parameter for register bitfield operations, general predicates
5483         cleanup
5484
5485 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5486
5487         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5488         * config/m68k/linux-unwind.h: New file.
5489
5490 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5491
5492         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5493         config/i386/athlon.md, config/ia64/ia64.md,
5494         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5495         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5496         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5497         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5498         tree-vect-transform.c: Fix comment typos.
5499
5500 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5501
5502         * sched-deps.c (find_insn_list): Remove.
5503         * sched-int.h: Remove the prototype for find_insn_list.
5504
5505 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5506
5507         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5508         to linker.
5509         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5510         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5511         darwin_rs6000_override_options.
5512         (C_COMMON_OVERRIDE_OPTIONS): Expect
5513         darwin_macosx_version_min to be non-NULL always.
5514         (TARGET_C99_FUNCTIONS): Likewise.
5515         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5516         (DARWIN_MINVERSION_SPEC): New.
5517         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5518         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5519         to cc1*.
5520         (DARWIN_MINVERSION_SPEC): New.
5521         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5522         value.
5523         * config/darwin-c.c (darwin_cpp_builtins): Expect
5524         darwin_macosx_version_min to be non-NULL always.
5525
5526         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5527
5528 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5529
5530         * config/i386/i386.h (x86_use_xchgb): New.
5531         (TARGET_USE_XCHGB): New macro.
5532         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5533         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5534         Split after reload into bswaphi for shifts of 8.
5535         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5536         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5537         or when optimizing for size.
5538
5539 2007-02-16  Richard Guenther  <rguenther@suse.de>
5540             Christian Bruel  <christian.bruel@st.com>
5541
5542         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5543         DECLs but prefer SSA_NAMEs over DECLs.
5544
5545 2007-02-16  Richard Guenther  <rguenther@suse.de>
5546
5547         * tree-flow-inline.h (single_imm_use_p): Remove.
5548         (zero_imm_uses_p): Likewise.
5549         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5550         instead of single_imm_use_p.
5551         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5552         zero_imm_uses_p.
5553
5554 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5555
5556         PR other/27843
5557         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5558         nested double- and backquotes.
5559
5560 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5561
5562         PR middle-end/30391
5563         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5564         should be unreachable.
5565         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5566         For the time being redirect GIMPLE_MODIFY_STMT to the new
5567         (renamed) build_gimple_modify_stmt_stat.
5568         (build2_gimple_stat): Rename to...
5569         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5570         Always build a GIMPLE_MODIFY_STMT node.
5571         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5572         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5573         declarations.
5574
5575         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5576         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5577         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5578         expand_complex_div_wide): Likewise.
5579         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5580         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5581         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5582         * tree-ssa-loop-manip.c (create_iv): Likewise.
5583         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5584         abs_replacement): Likewise.
5585         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5586         realify_fake_stores): Likewise.
5587
5588         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5589         node rather than a GIMPLE_MODIFY_STMT node.
5590         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5591         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5592         Likewise.
5593         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5594         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5595         GIMPLE_MODIFY_STMT.
5596
5597 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5598
5599         PR middle-end/30433
5600         * fold-const.c (fold_comparison): Add back the
5601         folding of constant complex comparisions.
5602
5603 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5604
5605         PR middle-end/30729
5606         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5607         effects unknown to this function, return early.
5608
5609 2007-02-15  Ian Lance Taylor  <iant@google.com>
5610
5611         * lower-subreg.c (move_eh_region_note): New static function.
5612         (resolve_simple_move): Call it.
5613         (decompose_multiword_subregs): Track blocks for which we resolve a
5614         simple move which is also a control flow insn.  Pass them to
5615         find_many_sub_basic_blocks.
5616         (pass_lower_subreg): Add TODO_verify_flow.
5617         (pass_lower_subreg2): Likewise.
5618
5619 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5620             Brooks Moses  <brooks.moses@codesourcery.com>
5621             Lee Millward  <lee.millward@codesourcery.com>
5622
5623         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5624         (VL_EXP_CLASS_P): New.
5625         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5626         TREE_CODE_LENGTH.
5627         (TREE_OPERAND_CHECK_CODE): Likewise.
5628         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5629         (TREE_RTL_OPERAND_CHECK): Likewise.
5630         (tree_operand_check_failed): Make second parameter the whole tree
5631         instead of its code.  Fixed callers.
5632         (VL_EXP_CHECK): New.
5633         (TREE_OPERAND_LENGTH): New.
5634         (VL_EXP_OPERAND_LENGTH): New.
5635         (CALL_EXPR_FN): New.
5636         (CALL_EXPR_STATIC_CHAIN): New.
5637         (CALL_EXPR_ARGS): New.
5638         (CALL_EXPR_ARG): New.
5639         (call_expr_nargs): New.
5640         (CALL_EXPR_ARGP): New.
5641         (build_nt_call_list): Declare.
5642         (build_vl_exp_stat): Declare.
5643         (build_vl_exp): New.
5644         (build_call_list): Declare.
5645         (build_call_nary): Declare.
5646         (build_call_valist): Declare.
5647         (build_call_array): Declare.
5648         (call_expr_arg): Declare.
5649         (call_expr_argp): Declare.
5650         (call_expr_arglist): Declare.
5651         (fold_build_call_list): Declare.
5652         (fold_build_call_list_initializer): Declare.
5653         (fold_call_expr): Declare to replace fold_builtin.
5654         (fold_builtin_fputs): Update to agree with modified definition.
5655         (fold_builtin_strcpy): Likewise.
5656         (fold_builtin_strncpy): Likewise.
5657         (fold_builtin_memory_chk): Likewise.
5658         (fold_builtin_stxcpy_chk): Likewise.
5659         (fold_builtin_strncpy_chk): Likewise.
5660         (fold_builtin_next_arg): Likewise.
5661         (fold_build_call_expr): Declare.
5662         (fold_builtin_call_list): Declare.
5663         (fold_builtin_call_valist): Declare.
5664         (build_call_expr): Declare.
5665         (validate_arglist): Update to agree with modified definition.
5666         (tree_operand_length): New.
5667         (call_expr_arg_iterator): New.
5668         (init_call_expr_arg_iterator): New.
5669         (next_call_expr_arg): New.
5670         (first_call_expr_arg): New.
5671         (more_call_expr_args_p): New.
5672         (FOR_EACH_CALL_EXPR_ARG): New.
5673
5674         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5675         and tcc_gimple_stmt.
5676         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5677         than sizeof (char *).
5678         (tree_size): Likewise.  Add case for tcc_vl_exp.
5679         (tree_node_structure): Add case for tcc_vl_exp.
5680         (contains_placeholder_p): Likewise.
5681         (substitute_in_expr): Likewise.
5682         (substitute_placeholder_in_expr): Likewise.
5683         (stabilize_reference_1): Likewise.
5684         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5685         to diagnose breakage of this interface for constructing CALL_EXPRs.
5686         (build_nt): Add similar assertion here.
5687         (build_nt_call_list): New.
5688         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5689         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5690         TREE_CODE_LENGTH.
5691         (get_callee_fndecl): Use new CALL_EXPR accessors.
5692         (tree_operand_check_failed): Change parameters to pass entire node
5693         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5694         (process_call_operands): New.
5695         (build_vl_exp_stat): New.
5696         (build_call_list): New.
5697         (build_call_nary): New.
5698         (build_call_valist): New.
5699         (build_call_array): New.
5700         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5701         (call_expr_arglist): New.
5702
5703         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5704         tcc_vl_exp instead of a fixed-size tcc_expression.
5705
5706         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5707         accessors for CALL_EXPRs.
5708         (AGGR_INIT_EXPR): Likewise.
5709
5710 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5711             Brooks Moses  <brooks.moses@codesourcery.com>
5712             Lee Millward  <lee.millward@codesourcery.com>
5713
5714         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5715         (expand_builtin_nonlocal_goto): Change parameter to be entire
5716         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5717         (expand_builtin_prefetch): Likewise.
5718         (expand_builtin_classify_type): Likewise.
5719         (mathfn_built_in): Return NULL_TREE instead of 0.
5720         (expand_errno_check): Use new CALL_EXPR accessors.
5721         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5722         Return NULL_RTX instead of 0.
5723         (expand_builtin_mathfn_2): Likewise.
5724         (expand_builtin_mathfn_3): Likewise.
5725         (expand_builtin_interclass_mathfn): Likewise.
5726         (expand_builtin_sincos): Likewise.
5727         (expand_builtin_cexpi): Likewise.
5728         (expand_builtin_int_roundingfn): Likewise.
5729         (expand_builtin_int_roundingfn_2): Likewise.
5730         (expand_builtin_pow): Likewise.
5731         (expand_builtin_powi): Likewise.
5732         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5733         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5734         accessors and constructors.  Return NULL_RTX instead of 0.
5735         (expand_builtin_strstr): Likewise.
5736         (expand_builtin_strchr): Likewise.
5737         (expand_builtin_strrchr): Likewise.
5738         (expand_builtin_strpbrk): Likewise.
5739         (expand_builtin_memcpy): Likewise.
5740         (expand_builtin_mempcpy): Likewise.
5741         (expand_builtin_mempcpy_args): New.
5742         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5743         (expand_builtin_memmove_args): New.
5744         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5745         (expand_movstr): Likewise.
5746         (expand_builtin_strcpy): Likewise.
5747         (expand_builtin_strcpy_args): New.
5748         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5749         (expand_builtin_strncpy): Likewise.
5750         (expand_builtin_memset): Likewise.
5751         (expand_builtin_memset_args): New.
5752         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5753         (expand_builtin_memcmp): Likewise.
5754         (expand_builtin_strcmp): Likewise.
5755         (expand_builtin_strncmp): Likewise.
5756         (expand_builtin_strcat): Likewise.
5757         (expand_builtin_strncat): Likewise.
5758         (expand_builtin_strspn): Likewise.
5759         (expand_builtin_strcspn): Likewise.
5760         (expand_builtin_args_info): Likewise.
5761         (expand_builtin_va_start): Likewise.
5762         (gimplify_va_arg_expr): Likewise.
5763         (expand_builtin_va_end): Likewise.
5764         (expand_builtin_va_copy): Likewise.
5765         (expand_builtin_frame_address): Likewise.
5766         (expand_builtin_alloca): Likewise.
5767         (expand_builtin_bswap): Likewise.
5768         (expand_builtin_unop): Likewise.
5769         (expand_builtin_fputs): Likewise.
5770         (expand_builtin_expect): Likewise.
5771         (expand_builtin_fabs): Likewise.
5772         (expand_builtin_copysign): Likewise.
5773         (expand_builtin_printf): Likewise.
5774         (expand_builtin_fprintf): Likewise.
5775         (expand_builtin_sprintf): Likewise.
5776         (expand_builtin_init_trampoline): Likewise.
5777         (expand_builtin_signbit): Likewise.
5778         (expand_builtin_fork_or_exec): Likewise.
5779         (expand_builtin_sync_operation): Likewise.
5780         (expand_builtin_compare_and_swap): Likewise.
5781         (expand_builtin_lock_test_and_set): Likewise.
5782         (expand_builtin_lock_release): Likewise.
5783         (expand_builtin): Likewise.
5784         (builtin_mathfn_code): Likewise.
5785
5786         (fold_builtin_constant_p): Pass call arguments individually instead
5787         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5788         accessors and constructors.  Return NULL_TREE instead of 0.
5789         (fold_builtin_expect): Likewise.
5790         (fold_builtin_classify_type): Likewise.
5791         (fold_builtin_strlen): Likewise.
5792         (fold_builtin_nan): Likewise.
5793         (integer_valued_real_p): Likewise.
5794         (fold_trunc_transparent_mathfn): Likewise.
5795         (fold_fixed_mathfn): Likewise.
5796         (fold_builtin_cabs): Likewise.
5797         (fold_builtin_sqrt): Likewise.
5798         (fold_builtin_cbrt): Likewise.
5799         (fold_builtin_cos): Likewise.
5800         (fold_builtin_cosh): Likewise.
5801         (fold_builtin_tan): Likewise.
5802         (fold_builtin_sincos): Likewise.
5803         (fold_builtin_cexp): Likewise.
5804         (fold_builtin_trunc): Likewise.
5805         (fold_builtin_floor): Likewise.
5806         (fold_builtin_ceil): Likewise.
5807         (fold_builtin_round): Likewise.
5808         (fold_builtin_int_roundingfn): Likewise.
5809         (fold_builtin_bitop): Likewise.
5810         (fold_builtin_bswap): Likewise.
5811         (fold_builtin_logarithm): Likewise.
5812         (fold_builtin_hypot): Likewise.
5813         (fold_builtin_pow): Likewise.
5814         (fold_builtin_powi): Likewise.
5815         (fold_builtin_exponent): Likewise.
5816         (fold_builtin_memset): Likewise.
5817         (fold_builtin_bzero): Likewise.
5818         (fold_builtin_memory_op): Likewise.
5819         (fold_builtin_bcopy): Deleted; call site changed to invoke
5820         fold_builtin_memory_op directly.
5821         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5822         (fold_builtin_strncpy): Likewise.
5823         (fold_builtin_memcmp): Likewise.
5824         (fold_builtin_strcmp): Likewise.
5825         (fold_builtin_strncmp): Likewise.
5826         (fold_builtin_signbit): Likewise.
5827         (fold_builtin_copysign): Likewise.
5828         (fold_builtin_isascii): Likewise.
5829         (fold_builtin_toascii): Likewise.
5830         (fold_builtin_isdigit): Likewise.
5831         (fold_builtin_fabs): Likewise.
5832         (fold_builtin_abs): Likewise.
5833         (fold_builtin_fmin_fmax): Likewise.
5834         (fold_builtin_carg): Likewise.
5835         (fold_builtin_classify): Likewise.
5836         (fold_builtin_unordered_cmp): Likewise.
5837
5838         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5839         New functions split out from fold_builtin_1.
5840         (fold_builtin_n): New.
5841         (fold_builtin_varargs): New.
5842         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5843         instead.
5844         (fold_call_expr): New.
5845         (build_function_call_expr): Rewrite to use new helper function.
5846         (fold_builtin_call_list): New.
5847         (build_call_expr): New.
5848         (fold_builtin_call_valist): New.
5849         (rewrite_call_expr): New.
5850         (validate_arg): New.
5851         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5852         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5853         accessors.
5854
5855         (fold_builtin_strstr):  Pass call arguments individually instead
5856         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5857         accessors and constructors.  Return NULL_TREE instead of 0.
5858         (fold_builtin_strchr): Likewise.
5859         (fold_builtin_strrchr): Likewise.
5860         (fold_builtin_strpbrk): Likewise.
5861         (fold_builtin_strcat): Likewise.
5862         (fold_builtin_strncat): Likewise.
5863         (fold_builtin_strspn): Likewise.
5864         (fold_builtin_strcspn): Likewise.
5865         (fold_builtin_fputs): Likewise.
5866         (fold_builtin_next_arg): Likewise.
5867         (fold_builtin_sprintf): Likewise.
5868
5869         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5870         NULL_RTX instead of 0.
5871         (expand_builtin_memory_chk): Likewise.
5872         (maybe_emit_chk_warning): Likewise.
5873         (maybe_emit_sprintf_chk_warning): Likewise.
5874
5875         (fold_builtin_object_size): Pass call arguments individually instead
5876         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5877         accessors and constructors.  Return NULL_TREE instead of 0.
5878         (fold_builtin_memory_chk): Likewise.
5879         (fold_builtin_stxcpy_chk): Likewise.
5880         (fold_builtin_strncpy_chk): Likewise.
5881         (fold_builtin_strcat_chk): Likewise.
5882         (fold_builtin_strcat_chk): Likewise.
5883         (fold_builtin_strncat_chk): Likewise.
5884         (fold_builtin_sprintf_chk): Likewise.
5885         (fold_builtin_snprintf_chk): Likewise.
5886         (fold_builtin_printf): Likewise.
5887         (fold_builtin_vprintf): Likewise.
5888
5889         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5890         constructors.
5891         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5892         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5893         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5894         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5895         (fold_unary): Likewise.
5896         (fold_binary): Likewise.
5897         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5898         ternary expressions.
5899         (fold): Add logic for tcc_vl_exp.
5900         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5901         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5902         (fold_build3_stat): Add assertion to flag broken interface for
5903         constructing CALL_EXPRs.
5904         (fold_build_call_list): New.
5905         (fold_build_call_list_initializer): New.
5906         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5907         constructors.
5908         (fold_strip_sign_ops): Likewise.
5909
5910 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5911             Brooks Moses  <brooks.moses@codesourcery.com>
5912             Lee Millward  <lee.millward@codesourcery.com>
5913
5914         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5915         accessors and dump arguments explicitly.
5916
5917         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5918         TREE_CODE_LENGTH.
5919         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5920         explicitly.
5921         (print_call_name): Use new CALL_EXPR accessors.
5922
5923         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5924         CALL_EXPR arguments explicitly instead of as a list.  Use
5925         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5926
5927         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5928         (vrp_visit_stmt): Likewise.
5929
5930         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5931         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5932         TREE_CODE_LENGTH.
5933         (force_move_till_expr): Likewise.
5934
5935         * targhooks.c (default_external_stack_protect_fail): Use
5936         build_call_expr instead of build_function_call_expr.
5937         (default_hidden_stack_protect_fail): Likewise.
5938
5939         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5940         build the call.
5941
5942         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5943         and walk arguments explicitly.
5944
5945         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5946         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5947         (expand_simple_operations): Likewise.
5948         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5949
5950         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5951         of TREE_CODE_LENGTH.
5952         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5953
5954         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5955         instead of TREE_CODE_LENGTH.
5956
5957         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5958         (tree_ic_transform): Likewise.
5959         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5960         parameter instead of arglist.  Fix callers.
5961         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5962         (tree_stringops_transform): Likewise.
5963         (tree_indirect_call_to_profile): Likewise.
5964         (tree_stringops_values_to_profile): Likewise.
5965
5966         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5967         (eliminate_tail_call): Likewise.
5968
5969         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5970
5971         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5972         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5973         operands.
5974         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5975
5976         * omp-low.c (build_omp_barrier): Use build_call_expr.
5977         (lower_rec_input_clauses): Likewise.
5978         (lower_reduction_clauses): Likewise.
5979         (expand_parallel_call): Likewise.
5980         (maybe_catch_exception): Likewise.
5981         (expand_omp_for_generic): Likewise.
5982         (expand_omp_for_static_nochunk): Likewise.
5983         (expand_omp_sections): Likewise.
5984         (lower_omp_single_simple): Likewise.
5985         (lower_omp_single_copy): Likewise.
5986         (lower_omp_master): Likewise.
5987         (lower_omp_ordered): Likewise.
5988         (lower_omp_critical): Likewise.
5989
5990         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5991         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5992
5993         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5994         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5995         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5996
5997         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5998         and generalize to handle any number of operands.
5999         (chrec_contains_undetermined): Likewise.
6000         (tree_contains_chrecs): Likewise.
6001         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6002
6003         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6004
6005         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6006         fold_call_expr instead of fold_builtin.
6007         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6008         match declarations there.
6009         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6010         updates.
6011
6012         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6013         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6014
6015         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6016         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6017
6018         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6019         accessors.
6020
6021         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6022         (execute_cse_sincos): Use new CALL_EXPR accessors.
6023
6024         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6025
6026         * gimple-low.c (lower_function_body): Use build_call_expr.
6027         (lower_builtin_setjmp): Likewise.
6028
6029         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6030         (set_storage_via_libcall): Likewise.
6031         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6032         instead of TREE_CODE_LENGTH.
6033         (expand_expr_real_1): Use new CALL_EXPR accessors.
6034
6035         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6036         generalize to handle any number of operands.
6037         (TB_parent_eq): Likewise.
6038
6039         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6040         (strip_builtin_expect): Likewise.
6041
6042         * function.c (gimplify_parameters): Use build_call_expr.
6043
6044         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6045         instead of TREE_CODE_LENGTH.
6046
6047         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6048         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6049
6050         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6051         iterators.
6052
6053         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6054         (gimplify_decl_expr): Likewise.
6055         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6056         Use new CALL_EXPR iterators.
6057         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6058         (gimplify_modify_expr_to_memset): Likewise.
6059         (gimplify_variable_sized_compare): Likewise.
6060         (gimplify_omp_atomic_fetch_op): Likewise.
6061         (gimplify_omp_atomic_pipeline): Likewise.
6062         (gimplify_omp_atomic_mutex): Likewise.
6063         (gimplify_function_tree): Likewise.
6064
6065         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6066         (call_expr_flags): Likewise.
6067         (expand_call): Likewise.
6068
6069         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6070         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6071         accessors.
6072
6073         * coverage.c (create_coverage): Use build_call_expr.
6074
6075         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6076         (temp_call_expr_obstack): New.
6077         (pool_copy_list): Delete.
6078         (temp_copy_call_expr): New.
6079         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6080         CALL_EXPR accessors.  Get rid of special goo for copying argument
6081         lists and use temp_copy_call_expr instead.
6082         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6083         CALL_EXPR accessors.
6084         (create_expression_by_pieces): Likewise.  Use build_call_array
6085         to construct the result instead of fold_build3.
6086         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6087         dealing with argument lists.
6088         (init_pre): Remove references to expression_node_pool and
6089         list_node_pool.  Init temp_call_expr_obstack instead.
6090         (fini_pre): Remove references to expression_node_pool and
6091         list_node_pool.
6092
6093         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6094         and walk arguments explicitly instead of as a list.
6095
6096         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6097         (mx_register_decls): Likewise.
6098         (mudflap_register_call): Likewise.
6099         (mudflap_finish_file): Likewise.
6100
6101         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6102         (ipa_callsite_compute_param): Likewise.
6103
6104         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6105         accessors and constructor.
6106
6107         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6108         accessors and constructor.
6109         (convert_tramp_reference): Likewise.
6110         (convert_call_expr): Likewise.
6111         (finalize_nesting_tree_1): Likewise.
6112
6113         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6114         accessors.
6115
6116         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6117
6118         * tree-inline.c (initialize_inlined_parameters): Pass entire
6119         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6120         accessors.
6121         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6122         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6123
6124         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6125         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6126         (vectorizable_reduction): Likewise.
6127         (vectorizable_call): Use new CALL_EXPR iterators.
6128         (vectorizable_conversion): Use build_call_expr.
6129         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6130         (vect_gen_widened_results_half): Use build_call_expr.
6131         (vect_setup_realignment): Likewise.
6132         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6133
6134         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6135         (pass_through_call): Likewise.
6136         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6137         fold_builtin.
6138
6139         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6140         (tree_gen_pow2_profiler): Likewise.
6141         (tree_gen_one_value_profiler): Likewise.
6142         (tree_gen_ic_func_profiler): Likewise.
6143         (tree_gen_average_profiler): Likewise.
6144         (tree_gen_ior_profiler): Likewise.
6145
6146         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6147         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6148         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6149
6150         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6151         of TREE_CODE_LENGTH.
6152
6153         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6154         of TREE_CODE_LENGTH.
6155
6156         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6157         constructor.
6158         (convert_to_integer): Likewise.
6159
6160         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6161         accessors.
6162
6163 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6164             Brooks Moses  <brooks.moses@codesourcery.com>
6165             Lee Millward  <lee.millward@codesourcery.com>
6166
6167         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6168         accessors.
6169         * config/frv/frv.c (frv_expand_builtin): Likewise.
6170         * config/s390/s390.c (s390_expand_builtin): Likewise.
6171
6172         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6173         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6174
6175         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6176         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6177         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6178         (ix86_expand_store_builtin): Likewise.
6179         (ix86_expand_unop_builtin): Likewise.
6180         (ix86_expand_unop1_builtin): Likewise.
6181         (ix86_expand_sse_compare): Likewise.
6182         (ix86_expand_sse_comi): Likewise.
6183         (ix86_expand_vec_init_builtin): Likewise.
6184         (ix86_expand_vec_ext_builtin): Likewise.
6185         (ix86_expand_vec_set_builtin): Likewise.
6186         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6187
6188         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6189         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6190
6191         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6192         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6193         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6194
6195         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6196         build_call_expr.
6197         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6198         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6199         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6200         (altivec_expand_abs_builtin): Likewise.
6201         (rs6000_expand_binop_builtin): Likewise.
6202         (altivec_expand_predicate_builtin): Likewise.
6203         (altivec_expand_lv_builtin): Likewise.
6204         (spe_expand_stv_builtin): Likewise.
6205         (altivec_expand_stv_builtin): Likewise.
6206         (rs6000_expand_ternop_builtin): Likewise.
6207         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6208         (altivec_expand_st_builtin): Likewise.
6209         (altivec_expand_dst_builtin): Likewise.
6210         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6211         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6212         (altivec_expand_vec_set_builtin): Likewise.
6213         (altivec_expand_vec_ext_builtin): Likewise.
6214         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6215         (spe_expand_builtin): Likewise.
6216         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6217         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6218         (spe_expand_evsel_builtin): Likewise.
6219         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6220         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6221
6222         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6223         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6224         (arm_expand_unop_builtin): Likewise.
6225         (arm_expand_builtin): Use new CALL_EXPR accessors.
6226
6227         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6228         accessors.
6229
6230         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6231         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6232         (bfin_expand_unop_builtin): Likewise.
6233         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6234
6235 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6236             Brooks Moses  <brooks.moses@codesourcery.com>
6237             Lee Millward  <lee.millward@codesourcery.com>
6238
6239         * c-semantics.c (build_stmt): Add internal diagnostic check.
6240
6241         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6242         accessors.  Print arguments explicitly instead of as a list.
6243
6244         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6245
6246         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6247         (c_finish_omp_flish): Likewise.
6248
6249         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6250         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6251         instead of TREE_CODE_LENGTH.
6252         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6253         (c_warn_unused_result): Likewise.
6254
6255 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6256
6257         PR c/26494
6258         * doc/invoke.texi (Warning Options): Remove
6259         -Werror-implicit-function-declaration.
6260         (Wimplicit-function-declaration): Update description.
6261         * opts.c (common_handle_option): Move handling of -Werror=* to...
6262         (enable_warning_as_error): ...here.
6263         * opts.h (enable_warning_as_error): Declare.
6264         * c-decl.c (implicit_decl_warning): Unless
6265         -Wno-implicit-function-declaration is given, emit a pedwarn if
6266         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6267         * c.opt (Wimplicit-function-declaration): Replace
6268         mesg_implicit_function_declaration with
6269         warn_implicit_function_declaration.
6270         * c-opts.c (c_common_handle_option):
6271         -Werror-implicit-function-declaration is exactly equal as
6272         -Werror=implicit-function-declaration.
6273         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6274         warn_implicit_function_declaration.
6275         (c_common_post_options): -Wimplict-function-declaration is enabled
6276         by default by -std=c99, otherwise is disabled by default.
6277         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6278
6279 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6280
6281         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6282         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6283         former is ignored but not the latter.
6284
6285 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6286
6287         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6288         is made and the reference doesn't use the alias set of its type,
6289         do not create the temporary using that type.
6290
6291 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6292
6293         * jump.c: Remove prototypes for delete_computation and
6294         delete_prior_computation.
6295
6296 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6297
6298         * jump.c (get_label_after): Delete.
6299         (get_label_before, delete_computation, delete_jump,
6300         delete_prior_computation, follow_jumps): Move...
6301         * reorg.c (delete_computation, delete_prior_computation): ... here...
6302         (get_label_before, delete_jump): ... making these static ...
6303         (follow_jumps): ... and simplifying this since it only runs after
6304         reload.
6305         * rtl.h (get_label_after, get_label_before, delete_jump,
6306         follow_jumps): Delete prototypes.
6307
6308 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6309
6310         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6311
6312 2007-02-15  Nick Clifton  <nickc@redhat.com>
6313
6314         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6315         order to prevent it from being munged by the target.
6316
6317 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6318
6319         * config/i386/i386.md: Remove misleading comment.
6320
6321 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6322
6323         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6324         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6325         invalid patterns.
6326
6327 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6328
6329         * tree-sra.c (instantiate_missing_elements): Canonicalize
6330         bit-field types.
6331         (sra_build_assignment): New.
6332         (generate_copy_inout, generate_element_copy,
6333         generate_element_zero, generate_one_element_init): Use it.
6334
6335 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6336
6337         * tree-sra.c (instantiate_missing_elements): Canonicalize
6338         bit-field types.
6339         (sra_build_assignment): New.
6340         (generate_copy_inout, generate_element_copy,
6341         generate_element_zero, generate_one_element_init): Use it.
6342
6343 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6344
6345         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6346         limbo die nodes.
6347
6348 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6349
6350         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6351         types as aggregates not scalars.
6352         * function.c (assign_stack_temp_for_type): Likewise.
6353
6354 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6355             Zdenek Dvorak  <dvorakz@suse.cz>
6356
6357         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6358         name.
6359
6360 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6361
6362         * passes.c (next_pass_1): Clear the next field of the copied
6363         pass structure.
6364
6365 2007-02-14  Richard Henderson  <rth@redhat.com>
6366
6367         * tree-sra.c (early_sra): New.
6368         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6369         (tree_sra_early, pass_sra_early): New.
6370         * tree-pass.h (pass_sra_early): Declare.
6371         * passes.c (init_optimization_passes): Use it.
6372
6373 2007-02-14  Richard Guenther  <rguenther@suse.de>
6374
6375         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6376
6377 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6378
6379          PR tree-optimization/30771
6380         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6381         also phi nodes.
6382         (vect_analyze_operations): Induction phis can now be marked as
6383         used_in_loop.
6384         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6385         Update documentation accordingly.
6386
6387 2007-02-14  Nick Clifton  <nickc@redhat.com>
6388
6389         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6390         most 3 arguments are supported.
6391         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6392
6393 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6394
6395         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6396         Ensure dst->current is valid.
6397
6398 2007-02-13  Paul Brook  <paul@codesourcery.com>
6399
6400         * config.gcc: Add arm*-*-uclinux-*eabi.
6401         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6402         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6403         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6404         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6405         (LINK_SPEC): Define.
6406         (LIB_SPEC): Define.
6407         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6408         register.
6409         * config/arm/uclinux-eabi.h: New file.
6410         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6411         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6412         based targets.
6413
6414 2007-02-13  Ian Lance Taylor  <iant@google.com>
6415
6416         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6417         * flags.h (warn_strict_overflow): Declare.
6418         (enum warn_strict_overflow_code): Define.
6419         (issue_strict_overflow_warning): New static inline function.
6420         * opts.c (warn_strict_overflow): New variable.
6421         (common_handle_option): Handle OPT_Wstrict_overflow and
6422         OPT_Wstrict_overflow_.
6423         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6424         OPT_Wall.
6425         * fold-const.c: Include intl.h.
6426         (fold_deferring_overflow_warnings): New static variable.
6427         (fold_deferred_overflow_warning): New static variable.
6428         (fold_deferred_overflow_code): New static variable.
6429         (fold_defer_overflow_warnings): New function.
6430         (fold_undefer_overflow_warnings): New function.
6431         (fold_undefer_and_ignore_overflow_warnings): New function.
6432         (fold_deferring_overflow_warnings_p): New function.
6433         (fold_overflow_warning): New static function.
6434         (make_range): Add strict_overflow_p parameter.  Change all
6435         callers.
6436         (extract_muldiv, extract_muldiv_1): Likewise.
6437         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6438         tree_expr_nonnegative_p.
6439         (fold_negate_expr): Call fold_overflow_warning.
6440         (fold_range_test): Likewise.
6441         (fold_comparison): Likewise.
6442         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6443         instead of tree_expr_nonnegative_p.
6444         (tree_expr_nonnegative_warnv_p): Rename from
6445         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6446         (tree_expr_nonnegative_p): New function.
6447         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6448         strict_overflow_p parameter.
6449         (tree_expr_nonzero_p): New function.
6450         * passes.c (verify_interpass_invariants): New static function.
6451         (execute_one_pass): Call it.
6452         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6453         warnings.
6454         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6455         (estimate_numbers_of_iterations): Likewise.
6456         (scev_probably_wraps_p): Likewise.
6457         * tree-ssa-ccp.c: Include "toplev.h".
6458         (evaluate_stmt): Defer fold overflow warnings until we know we are
6459         going to optimize.
6460         (struct fold_stmt_r_data): Add stmt field.
6461         (fold_stmt_r): Defer fold overflow warnings until we know we
6462         optimized.
6463         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6464         (fold_stmt_inplace): Likewise.
6465         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6466         (cleanup_control_expr_graph): Defer fold overflow warnings until
6467         we know we are going to optimize.
6468         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6469         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6470         Likewise.
6471         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6472         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6473         * tree-ssa-loop-manip.c (create_iv): Likewise.
6474         * c-typeck.c (build_conditional_expr): Likewise.
6475         (build_binary_op): Likewise.
6476         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6477         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6478         (extract_range_from_unary_expr): Likewise.
6479         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6480         assuming that signed overflow does not occur.
6481         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6482         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6483         (fold_defer_overflow_warnings): Declare.
6484         (fold_undefer_overflow_warnings): Declare.
6485         (fold_undefer_and_ignore_overflow_warnings): Declare.
6486         (fold_deferring_overflow_warnings_p): Declare.
6487         (tree_expr_nonzero_warnv_p): Declare.
6488         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6489         of warning options.
6490         (Warning Options): Document -Wstrict-overflow.
6491         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6492         (tree-ssa-ccp.o): Likewise.
6493         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6494         (fold-const.o): Depend on intl.h.
6495
6496 2007-02-13  Ian Lance Taylor  <iant@google.com>
6497
6498         PR middle-end/30751
6499         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6500         addresses.
6501
6502 2007-02-13  Stuart Hastings  <stuart@apple.com>
6503
6504         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6505
6506 2007-02-13  Richard Henderson  <rth@redhat.com>
6507
6508         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6509         handled_component_p before looking for the indirect_ref.
6510
6511 2007-02-13  Richard Henderson  <rth@redhat.com>
6512
6513         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6514         remove flags clobber.
6515         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6516         (bswaphi_lowpart): New.
6517         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6518         remove TARGET_BSWAP test.  Delete expander of the same name.
6519
6520         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6521         (expand_unop): Use them.
6522
6523 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6524
6525         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6526         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6527         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6528         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6529         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6530         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6531         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6532         assembler dialect choice from asm templates.
6533
6534 2007-02-12  Richard Henderson  <rth@redhat.com>
6535
6536         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6537         (fixuns_trunc<SSEMODEF>si2): Use it.
6538         * config/i386/sse.md (vec_setv4sf_0): Export.
6539         * config/i386/i386.c (ix86_build_const_vector): Export.
6540         (ix86_split_convert_uns_si_sse): Rename from
6541         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6542         * config/i386/i386-protos.h: Update.
6543
6544 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6545
6546         PR c/29521
6547         * c-typeck.c (c_finish_return): Improve warning message.
6548
6549 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6550
6551         * alias.c (find_symbolic_term): Delete unused function.
6552
6553 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6554
6555         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6556         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6557         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6558
6559 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6560
6561         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6562         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6563         the function, temporarily point the debug interface to the null one.
6564
6565 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6566
6567         * dwarf2out.c (round_up_to_align): New static function.
6568         (field_byte_offset): Use it to round the offset.
6569
6570 2007-02-12  Richard Henderson  <rth@redhat.com>
6571
6572         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6573         (inswl_const): Export.
6574
6575 2007-02-12  Richard Henderson  <rth@redhat.com>
6576
6577         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6578         result mode of the libcall, convert back to outmode.
6579
6580 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6581
6582         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6583         (bswapdi2): New define_expand to implement 32-bit implementation.
6584
6585 2007-02-12  Nick Clifton  <nickc@redhat.com>
6586
6587         * doc/invoke.texi (Overall Options): Document --help=.
6588         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6589         (cc1_options): Pass --help= on to cc1.
6590         (display_help): Add description of --help=.
6591         (process_command): Add code to handle --help=.  Allow translated
6592         --help and --target-help switches to be passed on to compiler
6593         sub-process.
6594         (main): Remove unused if statement.
6595         * opts.c (columns): Remove.
6596         (LEFT_COLUMN): Define.
6597         (wrap_help): Add columns argument.
6598         (print_filtered_help): Change parameters to be an include bitmask,
6599         an exclude bitmask, an any bitmask and the column width.  Move the
6600         code to display the params list here.  Add code to display the
6601         status of options rather than their descriptions if the quiet flag
6602         is not active.
6603         (print_specific_help): Change parameters to be an include bitmask,
6604         an exclude bitmask and an any bitmask.  Move code to look up the
6605         column width here.  Decide upon the title for an options listing.
6606         (common_handle_options): Add code to handle --help=.  Adapt code
6607         for --help and --target-help to use the revised form of the
6608         print_specific_help function.
6609         (print_help): Delete.
6610         (print_param_help): Delete.
6611         (print_switch): Delete.
6612         * opts.h (cl_lang_count): Add prototype.
6613         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6614         CL_MAX_OPTION_CLASS): New defines.
6615         * optc-gen.awk: Add construction of cl_lang_count.
6616         * c.opt: Add Warning attribute to warning options and Optimization
6617         attribute to optimization options.
6618         * common.opt: Likewise.
6619         Add --help=.
6620         Add -fhelp and -ftarget-help as aliases for the transformed --help
6621         and --target-help options.
6622         * opt-functions.awk: Add code to handle Warning and Optimization
6623         attributes.
6624
6625 2007-02-12  Richard Henderson  <rth@redhat.com>
6626
6627         * config/alpha/constraints.md: New file.
6628         * config/alpha/alpha.c: Include tm-constrs.h.
6629         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6630         alpha_extra_constraint): Remove.
6631         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6632         * config/alpha/alpha-protos.h: Update.
6633         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6634         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6635         (EXTRA_CONSTRAINT): Remove.
6636         * config/alpha/alpha.md: Include constraints.md.
6637         (adddi splitter): Use satisfies_constraint_*.
6638         * config/alpha/predicates.md (add_operand): Likewise.
6639         (sext_add_operand, addition_operation): Likewise.
6640
6641 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6642
6643         PR tree-optimization/29145
6644         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6645         in our handling of restrict qualified pointers.
6646
6647 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6648
6649         PR middle-end/7651
6650         * doc/invoke.texi (Wunused-value): Update description.
6651         (Wextra): Delete item.
6652         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6653         value of Wunused-value.
6654         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6655         (c_finish_stmt_expr): Don't check extra_warnings.
6656         (emit_side_effect_warnings): The caller is responsible to check
6657         warn_unused_value.
6658
6659 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6660             Matt Thomas  <matt@3am-software.com>
6661
6662         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6663
6664 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6665
6666         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6667         comparisons of POPCOUNT against zero.
6668         (simplify_const_relational_operation): Likewise.
6669
6670 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6671
6672         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6673
6674 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6675
6676         * dwarf2out.c (root_type): Delete unused function.
6677
6678 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6679
6680         * genattrtab.c (contained_in_p): Delete unused function.
6681         (write_expr_attr_cache): Likewise.
6682
6683 2007-02-11  Jan Hubicka  <jh@suse.cz>
6684
6685         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6686         previous patch.
6687
6688 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6689
6690         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6691         to add the REG_EQ* note.
6692         * see.c (see_merge_one_use_extension): Likewise.
6693         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6694         turn REG_EQUAL notes into REG_EQUIV notes if the target
6695         register may have more than one set.
6696         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6697         * gcse.c (try_replace_reg): Likewise.
6698         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6699         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6700         more than one REG_EQUIV note.
6701         * reload1.c (gen_reload): Use set_unique_reg_note.
6702
6703 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6704
6705         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6706         (ix86_builtin_conversion): New function.
6707
6708 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6709
6710         PR target/29487
6711         * tree.h (DECL_REPLACEABLE_P): New macro.
6712         * except.c (set_nothrow_function_flags): Likewise.
6713
6714 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6715             Ira Rosen  <irar@il.ibm.com>
6716             Dorit Nuzman  <dorit@il.ibm.com>
6717
6718         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6719         * targhooks.c (default_builtin_vectorized_conversion): New.
6720         * targhooks.h (default_builtin_vectorized_function): New declaration.
6721         * target.h (struct vectorize): Add builtin_conversion field.
6722         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6723         stmt_vec_info_type value.
6724         (vectorizable_conversion): New declaration.
6725         * tree-vect-analyze.c (vect_analyze_operations): Add
6726         vectorizable_conversion call.
6727         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6728         * tree-vect-transform.c (vectorizable_conversion): New function.
6729         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6730         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6731         mode.
6732         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6733         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6734         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6735         or ALTIVEC_BUILTIN_VCFSX.
6736
6737 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6738
6739         PR target/30634
6740         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6741         CONST_DOUBLE and operand 0 is a hard register.
6742         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6743         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6744         is a hard floating-point register.
6745
6746 2007-02-10  Richard Henderson  <rth@redhat.com>
6747             Jakub Jelinek  <jakub@redhat.com>
6748             Alexandre Oliva  <aoliva@redhat.com>
6749
6750         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6751         * builtin-types.def (BT_WORD): Make unsigned.
6752         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6753         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6754         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6755         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6756         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6757         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6758         emulated tls.
6759         * expr.c (emutls_var_address): New.
6760         (expand_expr_real_1): Expand emulated tls.
6761         (expand_expr_addr_expr_1): Likewise.
6762         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6763         * output.h (emutls_finish): Declare.
6764         * toplev.c (compile_file): Call it.
6765         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6766         address before wrapping in CONST.
6767         * varasm.c (emutls_htab, emutls_object_type): New.
6768         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6769         (get_emutls_object_name, get_emutls_object_type): New.
6770         (get_emutls_init_templ_addr, emutls_decl): New.
6771         (emutls_common_1, emutls_finish): New.
6772         (assemble_variable): When emulating tls, swap decls; generate
6773         constructor for the emutls objects.
6774         (do_assemble_alias): When emulating tls, swap decl and target name.
6775         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6776         for emulated tls.
6777         * varpool.c (decide_is_variable_needed): Look at force_output.
6778         Recurse for emulated tls.
6779         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6780         with decide_is_variable_needed.
6781         * emutls.c: New file.
6782         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6783         tls_object for real tls.
6784
6785 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6786
6787         PR rtl-optimization/29599
6788         * reload1.c (eliminate_regs_in_insn): Take the destination
6789         mode into account when computing the offset.
6790
6791 2007-02-09  Stuart Hastings  <stuart@apple.com>
6792             Richard Henderson  <rth@redhat.com>
6793
6794         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6795         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6796         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6797         fixuns_truncdfhi2): New.
6798         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6799         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6800         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6801         (floatunssidf2): Allow nonimmediate source.
6802         * config/i386/sse.md (movdi_to_sse): New.
6803         (vec_concatv2di): Drop '*'.
6804         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6805         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6806         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6807         New.
6808         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6809         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6810         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6811         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6812         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6813         ix86_build_const_vector.
6814         (x86_emit_floatuns): Rewrite.
6815
6816 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6817
6818         * genautomata.c (longest_path_length): Delete unused function.
6819         (struct state): Delete unused longest_path_length.
6820         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6821         (get_free_state): Delete unused.
6822
6823 2007-02-09  Jan Hubicka  <jh@suse.cz>
6824
6825         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6826         * doc/invoke.texi (inline-unit-growth): Update default value.
6827
6828         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6829         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6830         (rebuild_cgraph_edges): Likewise.
6831         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6832         (dump_cgraph_node): Dump frequencies.
6833         (cgraph_clone_edge): Add frequency scales.
6834         (cgraph_clone_node): Add freuqnecy.
6835         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6836         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6837         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6838         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6839         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6840         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6841         (save_inline_function_body): Likewise.
6842         * ipa-inline.c: inluce rtl.h
6843         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6844         (cgraph_edge_badness): Use frequencies.
6845         (cgraph_decide_recursive_inlining): Update clonning.
6846         (cgraph_decide_inlining_of_small_function): Dump frequency.
6847         * predict.c (estimate_bb_frequencies): Export.
6848         * predict.h (estimate_bb_frequencies): Declare.
6849         * tree-inline.c (copy_bb): Watch overflows.
6850         (expand_call_inline): Update call of cgraph_create_edge.
6851         (optimize_inline_calls): Use TODO flags to update frequnecies.
6852         * passes.h: Include predict.h
6853         (init_optimization_passes): Move profile ahead.
6854         (execute_function_todo): Handle TODO_rebuild_frequencies.
6855
6856 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6857
6858         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6859         the insbl or inswl pattern into a register.
6860
6861 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6862
6863         * config/ia64/ia64.md (bswapdi2): New define_insn.
6864
6865 2007-02-09  Richard Henderson  <rth@redhat.com>
6866
6867         * config/i386/constraints.md (Ym): New constraint.
6868         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6869         (movdi_1_rex64): Split sse and xmm general register moves from
6870         memory move alternatives.  Use conditional register constraints.
6871         (movsf_1, movdf_integer): Likewise.
6872         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6873         (movdf_integer_rex64): New.
6874         (pushsf_rex64): Fix output constraints.
6875         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6876         (sse2_stored): Likewise.
6877         (sse2_storeq_rex64): New.
6878         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6879         amd and not generic.
6880         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6881         for optimize_size.  Remove SF/DFmode hack.
6882
6883 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6884
6885         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6886         (bit_SSE4a): New.
6887
6888 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6889             Richard Sandiford  <richard@codesourcery.com>
6890
6891         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6892         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6893         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6894         m68k/t-mlib to tmake_file.
6895         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6896         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6897         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6898         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6899         variable is not empty, add t-$m68k_arch_family to tmake_file.
6900         Add t-mlibs to tmake_file.
6901         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6902         * config/m68k/t-cf: New file.
6903         * config/m68k/t-m68k: Likewise.
6904         * config/m68k/t-mlibs: Likewise.
6905         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6906         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6907         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6908         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6909         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6910         Delete.
6911         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6912         (INSTALL_LIBGCC): Delete.
6913         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6914         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6915         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6916         (M68K_MLIB_CPU): Define.
6917         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6918         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6919         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6920
6921 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6922             Richard Guenther  <rguenther@suse.de>
6923
6924         PR middle-end/23361
6925         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6926         against INT_MIN/INT_MAX.
6927         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6928         file if a loop is removed.
6929
6930 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6931
6932         * calls.c (store_one_arg): Pass correct alignment to
6933         emit_push_insn for non-BLKmode values.
6934         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6935         unaligned stack slot via a suitably aligned slot.
6936
6937 2007-02-08  DJ Delorie  <dj@redhat.com>
6938
6939         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6940         warnings.
6941         (legal_subregs): Use unsigned char, make const.
6942         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6943
6944 2007-02-08  Paul Brook  <paul@codesourcery.com>
6945
6946         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6947         special interworking needed.
6948
6949 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6950
6951         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6952         conditional to __SSE2__.
6953         (Entries below should have been added to first ChangeLog
6954         entry for amdfam10 dated 2007-02-05)
6955         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6956         defined.
6957         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6958         defined.
6959         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6960         defined.
6961
6962 2007-02-08  DJ Delorie  <dj@redhat.com>
6963
6964         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6965         * config/m32c/m32c.c (legal_subregs): New.
6966         (m32c_illegal_subreg_p): New.
6967         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6968         unsupported subregs of hard regs.
6969
6970 2007-02-08  Jan Hubicka  <jh@suse.cz>
6971
6972         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6973         the same one; always update histograms.
6974
6975 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6976
6977         * passes.c (init_optimization_passes): Tidy comment.
6978
6979 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6980
6981         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6982         strip zero_extend, bswap and rotates from POCOUNT's argument.
6983         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6984         zero_extend and rotates from PARITY's argument.
6985         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6986         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6987         of an integer constant at compile-time.
6988
6989 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6990
6991         PR 30562
6992         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6993         Update all users.
6994         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6995         users.
6996         (init_alias_info):
6997         * tree-ssa-live.c (remove_unused_locals): Do not remove
6998         TREE_ADDRESSABLE variables.
6999         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7000         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7001         FOR_CLOBBER.  Update all users.
7002         If VAR has an associated alias set, add a virtual operand for
7003         it if no alias is found to conflict with the memory reference.
7004
7005 2007-02-07  Jan Hubicka  <jh@suse.cz>
7006             Robert Kidd <rkidd@crhc.uiuc.edu>
7007
7008         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7009
7010 2007-02-07  Ian Lance Taylor  <iant@google.com>
7011
7012         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7013
7014 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7015
7016         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7017         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7018         tablejumpdi, movsi_to_cr_one): Remove constraints from
7019         define_expand's match_operands.
7020
7021 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7022
7023         * global.c (compute_regsets): Move declatation of "i" inside of
7024         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7025
7026 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7027
7028         PR c++/30703
7029         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7030         of INDIRECT_REF <RESULT_DECL>.
7031
7032         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7033
7034 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7035             Kaz Kojima  <kkojima@gcc.gnu.org>
7036
7037         PR target/29746
7038         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7039         properly.
7040         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7041
7042 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7043
7044         * doc/loop.texi: Document possibility not to perform disambiguation
7045         of loops with multiple latches.
7046         * cfgloopmanip.c (alp_enum_p): Removed.
7047         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7048         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7049         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7050         the new forwarder block.
7051         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7052         Handle the case latch is NULL.
7053         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7054         when marking loop exits.
7055         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7056         be modified.
7057         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7058         disambiguate_loops_with_multiple_latches.
7059         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7060         before fix_loop_structure.
7061         * cfgloop.c: Include pointer-set.h and output.h.
7062         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7063         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7064         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7065         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7066         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7067         disambiguate_multiple_latches, get_loop_body_with_size,
7068         disambiguate_loops_with_multiple_latches): New functions.
7069         (flow_loop_dump): Dump multiple latch edges.
7070         (flow_loop_nodes_find): Handle loops with multiple latches.
7071         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7072         (glb_enum_p): Modified.
7073         (get_loop_body): Use get_loop_body_with_size.
7074         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7075         (AVOID_CFG_MODIFICATIONS): New constant.
7076         (disambiguate_loops_with_multiple_latches, add_loop,
7077         get_loop_body_with_size): Declare.
7078         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7079
7080 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7081
7082         PR inline-asm/28686
7083         * global.c (compute_regsets): New function.
7084         (global_alloc): Refactored ELIMINABLE_REGSET
7085         and NO_GLOBAL_ALLOC_REGS computation out.
7086         (rest_of_handle_global_alloc): Call compute_regsets()
7087         for non-optimizing case.
7088
7089 2007-02-06  Richard Henderson  <rth@redhat.com>
7090
7091         * config/i386/constraints.md (Y2): Rename from Y.
7092         (Yi): New constraint.
7093         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7094         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7095         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7096         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7097         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7098         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7099         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7100         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7101         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7102         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7103         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7104         vec_extractv2si_1): Change Y constraints to Y2.
7105         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7106         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7107         Change Y constraints to Y2.
7108         (sse2_loadld): Change Y constraints to x.
7109
7110 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7111
7112         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7113         (parity<mode>2): New define_expand using rs6000_emit_parity.
7114         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7115         rs6000_emit_parity): New functions.
7116         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7117         rs6000_emit_parity): Prototype here.
7118
7119 2007-02-06  Ian Lance Taylor  <iant@google.com>
7120
7121         * lower-subreg.c (simple_move_operand): Reject CONST.
7122         (resolve_clobber): Call validate_change rather than directly
7123         assigning to XEXP (pat, 0).
7124
7125 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7126
7127         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7128         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7129         (tree-cfg.o): Remove hashtab.h dependency.
7130
7131         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7132         (struct ivopts_data): Change niters to pointer_map_t.
7133         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7134         (niter_for_exit): Create pointer_map on demand.  Change for
7135         pointer_map API.
7136         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7137         (free_loop_data): Destroy data->niters if created and reset field.
7138         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7139         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7140
7141         * tree-ssa-reassoc.c: Include pointer-set.h.
7142         (bb_rank): Change to long *.
7143         (operand_rank): Change to pointer_map_t.
7144         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7145         (insert_operand_rank): Accept long.
7146         (operand_entry_hash, operand_entry_eq): Remove.
7147         (get_rank): Return long.  Adjust for changes above.
7148         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7149         and operand_rank.
7150         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7151
7152         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7153         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7154         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7155         is not NULL.
7156         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7157         directly since it cannot be NULL.
7158         (get_vi_for_tree): Rewrite for pointer_map API.
7159         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7160         (init_alias_vars): Create vi_for_tree as pointer_map.
7161         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7162
7163         * tree-cfg.c: Don't include hashtab.h.
7164         (edge_to_cases): Declare as pointer_map.
7165         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7166         Delete.
7167         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7168         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7169         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7170         destroying it.
7171         (record_switch_edge): Delete.
7172         (get_cases_for_edge): Adjust for pointer_map API, inline
7173         record_switch_edge (rewritten for new API), remove goto.
7174
7175 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7176
7177         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7178         * tree-nested.c: Include pointer-set.h.
7179         (var_map_elt, var_map_eq, var_map_hash): Delete.
7180         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7181         to pointer_map_t's.
7182         (nesting_info_bitmap_obstack): New.
7183         (lookup_field_for_decl): Adjust for pointer_map API.
7184         (lookup_tramp_for_decl): Adjust for pointer_map API.
7185         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7186         (get_local_debug_decl): Adjust for pointer_map API.
7187         (convert_nl_goto_reference): Adjust for pointer_map API.
7188         (convert_nl_goto_receiver): Adjust for pointer_map API.
7189         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7190         the new obstack.  Create field_map and var_map as pointer_maps.
7191         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7192         (root): Delete.
7193         (lower_nested_functions): Move root here, no need to NULL it.
7194         Initialize and release the obstack.
7195
7196 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7197
7198         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7199         Remove prototypes and make them non-static.
7200         (struct tree_int_map): Remove.
7201         * tree.h (struct tree_int_map): Move here, turning TO into an
7202         unsigned int.
7203         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7204
7205         * tree.h (TREE_COMPLEXITY): Remove.
7206         (struct tree_exp): Remove complexity field.
7207         * tree.c (build1_stat): Don't set it.
7208
7209 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7210             Victor Kaplansky  <victork@il.ibm.com>
7211
7212         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7213         (vect_is_simple_reduction): Support reduction with induction as
7214         one of the operands.
7215         (vect_is_simple_iv_evolution): Fix formatting.
7216         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7217         formatting.  Don't mark induction phis for vectorization.
7218         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7219         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7220         (vect_get_vec_def_for_operand): Support induction.
7221         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7222         induction case.
7223         (vectorizable_reduction): Support reduction with induction as one of
7224         the operands.
7225         (vectorizable_type_demotion): Use def-type of stmt argument rather
7226         than dummy def-type.
7227
7228         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7229         flag_tree_scev_cprop.
7230         * common.opt (tree-scev-cprop): New flag.
7231
7232         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7233         call to vect_get_new_vect_var.
7234
7235 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7236
7237         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7238         vectype is not NULL.
7239         (vect_pattern_recog_1): Likewise.
7240
7241 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7242
7243         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7244         (fold_negate_expr): Likewise.
7245
7246 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7247
7248         PR debug/30189
7249         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7250         even if cv-qualification is the same.
7251
7252 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7253
7254         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7255         __enable_execute_stack on completion.
7256
7257 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7258
7259         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7260         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7261         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7262         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7263         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7264         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7265         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7266         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7267
7268 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7269
7270         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7271         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7272         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7273         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7274         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7275         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7276         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7277         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7278         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7279         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7280         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7281         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7282         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7283         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7284         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7285         sqrtextenddfxf2_i387): Added amdfam10_decode.
7286
7287         * config/i386/athlon.md (athlon_idirect_amdfam10,
7288         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7289         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7290         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7291         athlon_ivector_store_amdfam10): New define_insn_reservation.
7292         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7293         amdfam10.
7294
7295 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7296
7297         * config/i386/athlon.md (athlon_call_amdfam10,
7298         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7299         define_insn_reservation.
7300         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7301         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7302         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7303
7304 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7305
7306         * config/i386/athlon.md (athlon_sseld_amdfam10,
7307         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7308         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7309
7310 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7311
7312         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7313         define_insn_reservation.
7314         * config/i386/i386.md (sseins): Added sseins to define_attr type
7315         and define_attr unit.
7316         * config/i386/sse.md: Set type attribute to sseins for insertq
7317         and insertqi.
7318
7319 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7320
7321         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7322         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7323         ssecomi_load_amdfam10, ssecomi_amdfam10,
7324         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7325         define_insn_reservation.
7326         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7327
7328 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7329
7330         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7331         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7332         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7333         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7334         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7335         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7336         define_insn_reservation.
7337
7338         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7339         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7340         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7341         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7342         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7343
7344 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7345
7346         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7347         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7348         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7349         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7350         athlon_ssemul_load_k8): Added amdfam10.
7351
7352 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7353
7354         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7355         (x86_sse_unaligned_move_optimal): New variable.
7356
7357         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7358         m_AMDFAM10.
7359         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7360         for unaligned vector SSE double/single precision loads for AMDFAM10.
7361
7362 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7363
7364         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7365         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7366         Define TARGET_CPU_DEFAULT_amdfam10.
7367         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7368         (processor_type): Add PROCESSOR_AMDFAM10.
7369
7370         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7371         processor_type in config/i386/i386.h.
7372         Enable imul peepholes for TARGET_AMDFAM10.
7373
7374         * config.gcc: Add support for --with-cpu option for amdfam10.
7375
7376         * config/i386/i386.c (amdfam10_cost): New variable.
7377         (m_AMDFAM10): New macro.
7378         (m_ATHLON_K8_AMDFAM10): New macro.
7379         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7380         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7381         x86_promote_QImode, x86_integer_DFmode_moves,
7382         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7383         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7384         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7385         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7386         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7387         Enable/disable for amdfam10.
7388         (override_options): Add amdfam10_cost to processor_target_table.
7389         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7390         processor_alias_table.
7391         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7392         (ix86_adjust_cost): Add code for amdfam10.
7393
7394 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7395
7396         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7397         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7398         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7399         * config/i386/i386.h: Add builtin definition for SSE4A.
7400         * config/i386/i386.md: Add support for ABM instructions
7401         (popcnt and lzcnt).
7402         * config/i386/sse.md: Add support for SSE4A instructions
7403         (movntss, movntsd, extrq, insertq).
7404         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7405         Add -march=amdfam10 flag.
7406         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7407         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7408         and amdfam10.
7409         * doc/extend.texi: Add documentation for SSE4A builtins.
7410
7411 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7412
7413         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7414
7415 2007-02-05  Richard Guenther  <rguenther@suse.de>
7416
7417         * tree-vectorizer.h (vectorizable_function): Add argument type
7418         argument, change return type.
7419         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7420         * tree-vect-transform.c (vectorizable_function): Handle extra
7421         argument, return vectorized function decl.
7422         (build_vectorized_function_call): Remove.
7423         (vectorizable_call): Handle calls with result and argument types
7424         differing.  Handle loop vectorization factor correctly.
7425         * targhooks.c (default_builtin_vectorized_function): Adjust for
7426         extra argument.
7427         * targhooks.h (default_builtin_vectorized_function): Likewise.
7428         * target.h (builtin_vectorized_function): Add argument type
7429         argument.
7430         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7431         extra argument, allow vectorizing of lrintf.
7432         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7433         documentation of target hook.
7434
7435 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7436
7437         PR target/30665
7438         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7439         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7440         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7441
7442 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7443
7444         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7445         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7446         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7447         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7448         before canonicalizing sincos to cexpi.
7449         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7450
7451 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7452
7453         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7454         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7455         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7456
7457 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7458
7459         * mips-tfile.c (initialize_init_file): Correct endianness test.
7460
7461 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7462
7463         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7464         the 'y' constraint.
7465
7466 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7467
7468         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7469         saves in a PARALLEL before the register assignments.
7470
7471 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7472
7473         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7474         DWARF_FRAME_RETURN_COLUMN to be a general register.
7475         * dwarf2out.c (init_return_column_size): New function, split from...
7476         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7477         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7478         to be nongeneral registers.
7479         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7480         integer registers.
7481         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7482         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7483
7484 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7485
7486         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7487
7488 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7489
7490         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7491         (remove_path): Use can_remove_branch_p and remove_branch instead
7492         of loop_delete_branch_edge.
7493         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7494         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7495         Update profile using scale_dominated_blocks_in_loop.
7496         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7497         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7498         (can_remove_branch_p, remove_branch): Declare.
7499         * tree-cfg.c (tree_can_remove_branch_p): New function.
7500         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7501         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7502         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7503
7504 2007-02-05  Jan Hubicka  <jh@suse.cz>
7505
7506         PR middle-end/30696
7507         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7508         nodes in cgraph, don't remove offline copy of the function.
7509
7510 2007-02-04  Jan Hubicka  <jh@suse.cz>
7511
7512         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7513         vectors might cause maybe_lookup_element_for_expr to be called
7514         on non-sra-candidate.
7515
7516 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7517
7518         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7519         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7520         spelling conventions.
7521
7522 2007-02-04  Richard Guenther  <rguenther@suse.de>
7523
7524         PR middle-end/30636
7525         * fold-const.c (try_move_mult_to_index): Make sure to not
7526         overflow one dimension of a multi-dimensional array access.
7527
7528 2007-02-04  Jan Hubicka  <jh@suse.cz>
7529
7530         * passes.c (init_optimization_passes): Reindent.
7531
7532 2007-02-04  Jan Hubicka  <jh@suse.cz>
7533             Eric Botcazou  <ebotcazou@adacore.com>
7534
7535         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7536         (execute_fixup_cfg): Break out the abnormal goto code.
7537         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7538         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7539         (optimize_inline_calls): Call make_nonlocal_label_edges.
7540
7541 2007-02-04  Jan Hubicka  <jh@suse.cz>
7542
7543         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7544         true when something was changed.
7545         (rename_ssa_copies): When something was changed, do
7546         TODO_remove_unused_locals.
7547         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7548         add TODO_remove_unused_locals when instruction was removed.
7549
7550 2007-02-04  Jan Hubicka  <jh@suse.cz>
7551
7552         * ipa-inline.c (try_inline): Improve debug output; work on already
7553         inline edges too.
7554         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7555         call try_inline for already inlined edges too when flattening;
7556         inline also functions that make callee growth but overall unit size
7557         reduce.
7558
7559 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7560
7561         * config/m32c/bitops.md, config/m32c/jump.md,
7562         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7563         config/m32r/m32r.h, config/m32r/m32r.md,
7564         config/m32r/predicates.md, config/m68hc11/larith.asm,
7565         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7566         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7567         config/mips/mips-protos.h, config/mips/mips.c,
7568         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7569         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7570         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7571         spelling conventions.
7572
7573         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7574         Follow spelling conventions.
7575
7576 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7577
7578         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7579         warn about C++0x compatibility.
7580
7581 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7582
7583         * config/h8300/h8300.c, config/h8300/h8300.h,
7584         config/h8300/h8300.md: Follow spelling conventions.
7585
7586 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7587
7588         PR middle-end/30667
7589         * combine.c (try_combine): Do not substitute source operand
7590         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7591
7592 2007-02-03  Jan Hubicka  <jh@suse.cz>
7593
7594         PR gcov-profile/30650
7595         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7596         do not divide by zero for never executed counters.
7597         (tree_find_values_to_profile): Fix counters.
7598         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7599
7600 2007-02-03  Ian Lance Taylor  <iant@google.com>
7601
7602         * lower-subreg.c (simple_move_operand): New static function,
7603         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7604         operands.
7605         (simple_move): Call simple_move_operand.
7606         (find_decomposable_subregs): Add special handling of MEMs.
7607         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7608         meaning of return value.  If we see a hard register, test whether
7609         it can store a word_mode value.  Change all callers.
7610
7611 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7612
7613         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7614         ftrapv insns and expanders.
7615         (subdi3): Change define_expand operand 1 to arith11_operand, and
7616         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7617         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7618         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7619         respectively.
7620
7621         PR middle-end/30174
7622         * varasm.c (notice_global_symbol): Treat global objects as weak when
7623         flag_shlib is true.
7624
7625 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7626
7627         * emit-rtl.c (dconstpi): Delete.
7628         (dconstsqrt2): New.
7629         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7630         * real.h (dconstpi): Delete.
7631         (dconstsqrt2): New.
7632         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7633         (fold_builtin_hypot): Likewise.
7634
7635 2007-02-03  Tom Tromey  <tromey@redhat.com>
7636
7637         PR driver/30246
7638         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7639         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7640
7641 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7642
7643         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7644         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7645         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7646         config/rs6000/cell.md, config/rs6000/darwin.h,
7647         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7648         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7649         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7650         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7651         typos.  Follow spelling conventions.
7652         * doc/invoke.texi: Follow spelling conventions.
7653
7654 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7655
7656         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7657         canonicalization transformations that attempt to simplify integer
7658         constant comparisons to become comparisons against zero.
7659
7660 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7661
7662         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7663         fabs(x)*sqrt(2).
7664         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7665         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7666
7667 2007-02-02  Mike Stump  <mrs@apple.com>
7668
7669         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7670         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7671         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7672         generate a branch island.
7673
7674 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7675
7676         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7677         (xtensa_legitimate_address_p): New.
7678         (xtensa_legitimize_address): New.
7679         (xtensa_output_addr_const_extra): New.
7680         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7681         (BASE_REG_P): New.
7682         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7683         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7684         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7685         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7686         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7687         (xtensa_legitimize_address): New.
7688         (xtensa_output_addr_const_extra): New.
7689
7690 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7691
7692         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7693
7694 2007-02-02  Ian Lance Taylor  <iant@google.com>
7695
7696         * expmed.c (expand_divmod): Add comment.
7697
7698 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7699
7700         * emit-rtl.c (renumber_insns): Remove.
7701         * flags.h: Remove the extern for flag_renumber_insns.
7702         * rtl.h: Remove the prototype for renumber_insns.
7703         * toplev.c (flag_renumber_insns): Remove.
7704
7705 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7706
7707         Revert for x86 darwin:
7708         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7709
7710         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7711         code before the following patch under TARGET_MACHO.
7712         (ix86_function_value_regno_p): Likewise.
7713
7714 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7715
7716         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7717         COMPLEX_EXPR.
7718
7719 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7720
7721         PR target/29682
7722         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7723         general or fp registers.  Add comments.
7724         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7725
7726 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7727
7728         * pointer-set.c (insert_aux): Only return insertion slot.
7729         (pointer_set_insert): Adjust.
7730         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7731         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7732         pointer_map_traverse): New.
7733         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7734         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7735         pointer_map_contains, pointer_map_traverse): Declare.
7736
7737 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7738
7739         PR middle-end/30473
7740         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7741         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7742
7743 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7744
7745         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7746
7747         (struct _dep): New type.
7748         (dep_t): New typedef.
7749         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7750         (DEP_STATUS): New access macro.  The macro with the same name was
7751         renamed to DEP_LINK_STATUS.
7752         (dep_init): Declare function
7753
7754         (struct _dep_link): New type.
7755         (dep_link_t): New typedef.
7756         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7757         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7758         (DEP_LINK_STATUS): New macro.
7759         (debug_dep_links): New debug function.
7760
7761         (struct _deps_list): New type.
7762         (deps_list_t): New typedef.
7763         (DEPS_LIST_FIRST): New access macro.
7764         (FOR_EACH_DEP_LINK): New cycle macro.
7765         (create_deps_list, free_deps_list, delete_deps_list): Declare
7766         functions.
7767         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7768         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7769         (copy_deps_list_change_con): Ditto.
7770
7771         (move_dep_link): Declare function.
7772
7773         (struct _dep_node): New type.
7774         (dep_node_t): New typedef.
7775         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7776
7777         (struct haifa_insn_data.back_deps): New field to hold backward
7778         dependencies of the insn.
7779         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7780         to deps_list_t.
7781         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7782         Change its type to deps_list_t.
7783         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7784         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7785         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7786
7787         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7788
7789         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7790
7791         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7792         all callers.
7793         (dep_cost): Declare.
7794
7795         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7796         (ds_to_dk, dk_to_ds): New functions.
7797
7798         (init_dep_1): New static function.
7799         (init_dep): New function.
7800         (copy_dep): New static function.
7801
7802         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7803         functions.
7804         (detach_dep_link): New static function.
7805         (move_dep_link): New function.
7806
7807         (dep_links_consistent_p, dump_dep_links): New static functions.
7808         (debug_dep_links): New debugging function.
7809
7810         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7811
7812         (alloc_deps_list, init_deps_list): New static functions.
7813         (create_deps_list): New function.
7814         (clear_deps_list): New static function.
7815         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7816         (deps_list_consistent_p, dump_deps_list): New static functions.
7817         (debug_deps_list): New function.
7818         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7819         functions.
7820         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7821
7822         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7823         use new scheduler dependencies lists.
7824         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7825         (sched_analyze): Ditto.  Initialize dependencies lists.
7826         (add_forw_dep, compute_forward_dependences): Update to use new
7827         scheduler dependencies lists.
7828
7829         (init_dependency_caches): Init deps_obstack.
7830         (free_dependency_caches): Free deps_obstack.
7831
7832         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7833         new scheduler dependencies lists.
7834         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7835         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7836
7837         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7838         Update to use new scheduler dependencies lists.
7839         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7840         (debug_dependencies): Ditto.
7841         (schedule_region): Update comments.
7842
7843         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7844         scheduler dependencies lists.
7845         (schedule_ebb): Update comments.
7846
7847         * rtl.def (DEPS_LIST): Remove.
7848
7849         * lists.c (unused_deps_list): Remove.
7850         (free_list): Update assertions.
7851
7852         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7853         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7854
7855         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7856         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7857
7858         * haifa-sched.c (comments): Update.
7859         (insn_cost1): Remove.  Inline the code into insn_cost ().
7860         (insn_cost): Update to use new scheduler dependencies lists.  Move
7861         processing of the dependency cost to dep_cost ().
7862         (dep_cost): New function.  Use it instead of insn_cost () when
7863         evaluating cost of the dependency.  Use compatible interface to
7864         interact with the target.
7865         (priority): Update to use new scheduler dependencies lists.
7866         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7867         with greater number of insns that depend on the insn.
7868         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7869         code to free backward dependencies lists.  Inline and optimize code
7870         from resolve_dep () - see PR28071.
7871         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7872         lists.  Update call to targetm.sched.is_costly_dependence hook.
7873
7874         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7875         scheduler dependencies lists.
7876
7877         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7878         (init_h_i_d): Initialize dependencies lists.
7879
7880         (process_insn_depend_be_in_spec): Rename to
7881         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7882         dependencies lists.
7883         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7884         Update to use new scheduler dependencies lists.
7885         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7886
7887         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7888         new scheduler dependencies lists.
7889         (build_intra_loop_deps): Ditto.
7890
7891         * target.h (struct _dep): Declare to use in
7892         gcc_target.sched.is_costly_dependence.
7893         (struct gcc_target.sched.adjust_cost): Fix typo.
7894         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7895         single dep_t parameter instead of an equivalent triad.
7896         (struct gcc_target.sched.adjust_cost_2): Remove.
7897
7898         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7899
7900         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7901
7902         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7903         documentation.
7904         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7905
7906         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7907         (REG_DEP_TRUE): Document.
7908
7909         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7910         Change signature to correspond to the targetm.sched.adjust_cost hook.
7911         Update use in TARGET_SCHED_ADJUST_COST_2.
7912         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7913         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7914         new scheduler dependencies lists.
7915         (ia64_gen_check): Ditto.
7916
7917         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7918         dependencies lists.
7919
7920         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7921         signature to correspond to the targetm.sched.is_costly_dependence hook.
7922         (is_costly_group): Update to use new scheduler dependencies lists.
7923
7924         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7925         instead of INSN_COST () macro.
7926
7927 2007-02-01  Ian Lance Taylor  <iant@google.com>
7928
7929         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7930
7931 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7932
7933         * pa.md (tp_load): Correct mfctl instruction syntax.
7934
7935 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7936
7937         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7938         altivec_padding_size calculation on AIX.  Improve comment, add
7939         assert to verify that it's right.
7940
7941         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7942         64-bit.
7943
7944 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7945
7946         PR inline-asm/28686
7947         * global.c (global_alloc): Add mising initialization of
7948         ELIMINABLE_REGSET.
7949
7950 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7951
7952         * alias.c (init_alias_analysis): Correct whitespace.
7953         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7954         partition_hot_cold_basic_blocks): Likewise.
7955         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7956         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7957         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7958         fold_builtin_snprintf_chk, fold_builtin_printf,
7959         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7960         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7961         * cfgcleanup.c (cleanup_cfg): Likewise.
7962         * cfgexpand.c (tree_expand_cfg): Likewise.
7963         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7964         * function.c (get_next_funcdef_no): Likewise.
7965         * gengtype.c (main): Likewise.
7966         * genmodes.c (main): Likewise.
7967         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7968         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7969         * ifcvt.c (noce_emit_move_insn): Likewise.
7970         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7971         Likewise.
7972         * stor-layout.c (get_best_mode): Likewise.
7973         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7974         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7975         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7976         perform_var_substitution, solve_graph): Likewise.
7977         * tree-vrp.c (vrp_finalize): Likewise.
7978
7979 2007-02-01  Ian Lance Taylor  <iant@google.com>
7980
7981         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7982         high part of a paradoxical subreg, return a constant zero.
7983
7984 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7985
7986         * toplev.c (lang_dependent_init): Call init_set_costs.
7987         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7988
7989 2007-02-01  Richard Guenther  <rguenther@suse.de>
7990
7991         PR middle-end/30656
7992         * fold-const.c (fold_negate_expr): Allow negating a
7993         constant if overflow does not change.
7994
7995 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7996
7997         * doc/c-tree.texi (Expression trees): Improve markup.
7998         * doc/tm.texi (Register Classes, Addressing Modes)
7999         (Floating Point): Fix spacing after abbreviations.  Fix some
8000         typos.
8001
8002 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8003
8004         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8005         * doc/contrib.texi: Likewise.
8006         * doc/install.texi: Likewise.
8007
8008 2007-01-31  Richard Henderson  <rth@redhat.com>
8009             Ian Lance Taylor  <iant@google.com>
8010
8011         * lower-subreg.c: New file.
8012         * rtl.def (CONCATN): Define.
8013         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8014         pass_lower_subreg2.
8015         * emit-rtl.c (update_reg_offset): New static function, broken out
8016         of gen_rtx_REG_offset.
8017         (gen_rtx_REG_offset): Call update_reg_offset.
8018         (gen_reg_rtx_offset): New function.
8019         * regclass.c: Revert patch of 2006-03-05, restoring
8020         reg_scan_update.
8021         (clear_reg_info_regno): New function.
8022         * dwarf2out.c (concatn_loc_descriptor): New static function.
8023         (loc_descriptor): Handle CONCATN.
8024         * common.opt (fsplit_wide_types): New option.
8025         * opts.c (decode_options): Set flag_split_wide_types when
8026         optimizing.
8027         * timevar.def (TV_LOWER_SUBREG): Define.
8028         * rtl.h (gen_reg_rtx_offset): Declare.
8029         (reg_scan_update): Declare.
8030         * regs.h (clear_reg_info_regno): Declare.
8031         * tree-pass.h (pass_lower_subreg): Declare.
8032         (pass_lower_subreg2): Declare.
8033         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8034         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8035         -fsplit-wide-types.
8036         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8037         * Makefile.in (OBJS-common): Add lower-subreg.o.
8038         (lower-subreg.o): New target.
8039
8040 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8041
8042         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8043
8044 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8045
8046         PR target/19087
8047         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8048
8049 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8050
8051         PR middle-end/29335
8052         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8053
8054 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8055
8056         * cfgloop.h: Include vec-prim.h.
8057         (enum li_flags): Remove LI_ONLY_OLD.
8058         (loop_iterator): Changed.
8059         (fel_next, fel_init): Iterate over loop tree.
8060         (FOR_EACH_LOOP_BREAK): New macro.
8061         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8062         FOR_EACH_LOOP.
8063         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8064         * modulo-sched.c (sms_schedule): Ditto.
8065         * tree-vectorizer.c (vectorize_loops): Ditto.
8066         * doc/loop.texi: Update information on loop numbering and behavior of
8067         FOR_EACH_LOOP wrto new loops.
8068         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8069         add_to_evolution_1): Test nestedness of loops instead of comparing
8070         their numbers.
8071         * tree-chrec.c (chrec_fold_plus_poly_poly,
8072         chrec_fold_multiply_poly_poly, chrec_evaluate,
8073         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8074         reset_evolution_in_loop): Ditto.
8075         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8076
8077 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8078
8079         * c-common.c (warn_about_parentheses): Separate warning about
8080         un-parenthized sequence of comparison operators from the one
8081         which is supposed to warn about x <= y <= z.
8082
8083 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8084
8085         * optabs.h (enum optab_index): Add new OTI_isinf.
8086         (isinf_optab): Define corresponding macro.
8087         * optabs.c (init_optabs): Initialize isinf_optab.
8088         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8089         patterns.
8090         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8091         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8092         using isinf_optab.
8093         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8094         expand_builtin_interclass_mathfn.
8095         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8096         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8097         (fxam<mode>2_i387): New insn pattern.
8098         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8099         built-in functions as x87 inline asm.
8100
8101 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8102
8103         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8104
8105 2007-01-30  Eric Christopher  <echristo@apple.com>
8106
8107         * config.gcc: Add geode.
8108
8109 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8110
8111         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8112         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8113         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8114         value-prof.c: Fix comment typos.
8115
8116 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8117
8118         PR c++/24745
8119         * doc/invoke.texi (Wpointer-arith): Document warning.
8120
8121 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8122
8123         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8124         the list of discrepancies from the draft TR.
8125
8126 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8127
8128         PR c++/30601
8129         * doc/invoke.texi (-Wreturn-type): Update description to
8130         match new behavior.
8131
8132 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8133
8134         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8135
8136 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8137
8138         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8139         to handle optabs that operate on floating point input argument and
8140         output to integer output.
8141         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8142         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8143         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8144         expand_builtin_interclass_mathfn ().
8145         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8146         (ilogbsi2): Remove.
8147         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8148         ilogbl built-in functions as x87 intrinsics.
8149
8150 2007-01-30  Richard Guenther  <rguenther@suse.de>
8151
8152         PR middle-end/27657
8153         * dwarf2out.c (reference_to_unused): Query varpool if the
8154         variable was output.
8155
8156 2007-01-30  Richard Guenther  <rguenther@suse.de>
8157
8158         PR middle-end/30313
8159         * passes.c (execute_one_pass): Reset in_gimple_form to not
8160         confuse non-unit-at-a-time mode.
8161
8162 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8163             Richard Guenther  <rguenther@suse.de>
8164
8165         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8166         avoid undefined behaviour on overflow.  Use force_fit_type_double
8167         to construct the constant with the specified TREE_OVERFLOW.
8168
8169 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8170
8171         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8172         * config/dfp-bit.h: Ditto.
8173
8174 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8175
8176         * c-decl.c (pop_scope): Replace warnings with call to
8177         warn_for_unused_label.
8178         * c-common.h (warn_for_unused_label): Declare.
8179         * c-common.c (warn_for_unused_label): Define.
8180
8181 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8182
8183         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8184         function.
8185
8186 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8187
8188         * Makefile.in (USER_H): Remove decfloat.h.
8189         * ginclude/decfloat.h: Delete, moving contents to ...
8190         * ginclude/float.h: Add support for decimal floating point,
8191         guarded by __STDC_WANT_DEC_FP__.
8192
8193 2007-01-29  Mike Stump  <mrs@apple.com>
8194
8195         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8196         Analysis and Representation to resolve case insensitive conflict.
8197         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8198
8199 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8200
8201         * tree.h (struct tree_memory_tag): Add aliases member.
8202         (MTAG_ALIASES): New macro.
8203         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8204         (add_may_alias): Remove pointer-set. Update for may_aliases being
8205         a bitmap.
8206         (mark_aliases_call_clobbered): Update for may_aliases being a
8207         bitmap.
8208         (compute_tag_properties): Ditto.
8209         (create_partition_for): Ditto.
8210         (compute_memory_partitions): Ditto.
8211         (dump_may_aliases_for): Ditto.
8212         (is_aliased_with): Ditto.
8213         (add_may_alias_for_new_tag): Ditto.
8214         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8215         (compute_is_aliased): New function.
8216         (compute_may_aliases): Call compute_is_aliased).
8217         (init_alias_info): Initialize alias_bitmap_obstack.
8218         (union_alias_set_into): New function.
8219         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8220         (have_common_aliases_p): Rewrite to take two bitmaps and use
8221         intersection.
8222         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8223         Update for bitmaps.
8224         (finalize_ref_all_pointers): Update for add_may_alias changes.
8225         (new_type_alias): Ditto.
8226         * tree-flow-inline.h (may_aliases): Return a bitmap.
8227         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8228         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8229         may_aliases being a bitmap.
8230         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8231         may_aliases now returns a bitmap.
8232         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8233         being a bitmap.
8234         * tree-ssa-operands.c (add_virtual_operand): Update for
8235         may_aliases being a bitmap.
8236
8237 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8238
8239         PR tree-optimization/30630
8240         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8241         variable as changed.
8242
8243 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8244
8245         PR c++/28266
8246         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8247         expanded only once even if an error occurs.
8248
8249 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8250
8251         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8252         (__gcov_average_profiler): Likewise.
8253         (__gcov_ior_profiler): Likewise.
8254         (__gcov_merge_ior): Likewise.
8255
8256 2007-01-28  Jan Hubicka  <jh@suse.cz>
8257
8258         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8259         * value-prof.c (stringop_block_profile): Likewise.
8260
8261 2007-01-28  Jan Hubicka  <jh@suse.cz>
8262
8263         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8264         variant handling histograms; add wrapper.
8265         (clear_storage_via_libcall): Export.
8266         (emit_block_move_hints): Break out from ...; add histograms.
8267         (emit_block_move): ... this one.
8268         (clear_storage_hints): Break out from ...; add histograms.
8269         (clear_storage): ... this one.
8270         (set_storage_via_memset): Handle histogram.
8271         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8272         (clear_storage_hints, clear_storage_via_libcall): Declare.
8273         (set_storage_via_setmem): Update prototype.
8274         * doc/md.texi (movmem, setmem): Document new arguments.
8275
8276         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8277         new histograms.
8278         (stringop_block_profile): New global function.
8279         (tree_stringops_values_to_profile): Profile block size and alignment.
8280         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8281         HIST_TYPE_IOR.
8282         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8283         (stringop_block_profile): Declare.
8284         * builtins.c: Include value-prof.h.
8285         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8286         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8287         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8288         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8289         * profile.c (instrument_values): Add new counters.
8290         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8291         calls.
8292         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8293         (tree_init_edge_profiler): Build new profilers.
8294         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8295         (pass_tree_profile): Add dump.
8296         (tree_profile_hooks): Update.
8297         * Makefile.in (LIBGCOV): Add new constants.
8298         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8299         __gcov_ior_profiler): New.
8300         * i386.md (movmem/setmem expanders): Add new optional arguments.
8301
8302 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8303
8304         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8305
8306 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8307
8308         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8309         (tree_unswitch_single_loop): Pass eni_size_weights to
8310         tree_num_loop_insns.
8311         * tree-ssa-loop-manip.c: Include tree-inline.h.
8312         (can_unroll_loop_p): Pass eni_size_weights to
8313         tree_num_loop_insns.
8314         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8315         Pass eni_size_weights to estimate_num_insns.
8316         * tree.h (init_inline_once): Export.
8317         * toplev.c (backend_init): Call init_inline_once.
8318         * cgraphunit.c (cgraph_process_new_functions,
8319         cgraph_analyze_function): Pass eni_inlining_weights to
8320         estimate_num_insns.
8321         * ipa-inline.c (compute_inline_parameters): Ditto.
8322         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8323         to estimate_num_insns.
8324         (try_unroll_loop_completely): Pass eni_size_weights to
8325         tree_num_loop_insns.
8326         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8327         ot estimate_num_insns.
8328         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8329         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8330         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8331         eni_time_weights): New variables.
8332         (init_inline_once): Initialize them.
8333         (struct eni_data): Mew.
8334         (estimate_num_insns_1, estimate_num_insns): Use weights.
8335         * tree-inline.h (struct eni_weights_d): New.
8336         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8337         (estimate_num_insns): Declaration changed.
8338         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8339         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8340         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8341
8342 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8343
8344         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8345         relations in the conflict function is valid.
8346
8347 2007-01-27  Ian Lance Taylor  <iant@google.com>
8348
8349         * common.opt: Add fstrict-overflow.
8350         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8351         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8352         (TYPE_OVERFLOW_UNDEFINED): Define.
8353         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8354         Replace all uses.
8355         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8356         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8357         (fold_negate_expr): Likewise.
8358         (make_range): Likewise.
8359         (extract_muldiv_1): Likewise.
8360         (maybe_canonicalize_comparison): Likewise.
8361         (fold_comparison): Likewise.
8362         (fold_binary): Likewise.
8363         (tree_expr_nonnegative_p): Likewise.
8364         (tree_expr_nonzero_p): Likewise.
8365         * tree-vrp.c (compare_values): Likewise.
8366         (extract_range_from_binary_expr): Likewise.
8367         (extract_range_from_unary_expr): Likewise.
8368         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8369         Likewise.
8370         (nowrap_type_p): Likewise.
8371         * tree-scalar-evolution.c (simple_iv): Likewise.
8372         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8373         (build_range_check): Likewise.
8374         (extract_muldiv_1): Likewise.
8375         (fold_comparison): Likewise.
8376         * tree-vrp.c (vrp_int_const_binop): Likewise.
8377         (extract_range_from_unary_expr): Likewise.
8378         * convert.c (convert_to_integer): Likewise.
8379         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8380         (fold_comparison): Likewise.
8381         (fold_binary): Likewise.
8382         * optabs.c (optab_for_tree_code): Likewise.
8383         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8384         * simplify-rtx.c (simplify_const_relational_operation): Check
8385         flag_strict_overflow and flag_trapv.
8386         (simplify_const_relational_operation): Likewise.
8387         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8388         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8389         -fstrict-overflow.
8390
8391 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8392
8393         * tree.c (tree_fold_gcd): Delete.
8394         * tree.h (tree_fold_gcd): Remove prototype.
8395         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8396         test whether one constant integer is a multiple of another.  Instead
8397         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8398         * fold-const.c (multiple_of_p):  We've determined both TOP and
8399         BOTTOM are integer constants so we can call int_const_binop directly
8400         instead of the more generic const_binop.
8401
8402 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8403
8404         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8405         1*X check that the constant hasn't overflowed, to preserve the
8406         TREE_OVERFLOW bit.
8407         (round_up): Provide an efficient implementation when rouding-up an
8408         INTEGER_CST to a power-of-two.
8409
8410 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8411
8412         * doc/sourcebuild.texi: Add comma for clarity.
8413         * doc/extend.texi: Fix some typos.
8414         * doc/passes.texi: Likewise.
8415         * doc/cppinternals.texi: Likewise.
8416         * doc/c-tree.texi: Likewise.
8417         * doc/tree-ssa.texi: Likewise.
8418         * doc/install.texi: Likewise.
8419
8420 2007-01-27  Jan Hubicka  <jh@suse.cz>
8421
8422         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8423         (pass_sra): Do not require alias information.
8424         * passes.c (init_optimization_passes): Add SRA
8425
8426 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8427
8428         * tracer.c (rest_of_handle_tracer): We already cleaned
8429         up the CFG in tracer() so don't do it here again.
8430         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8431         cleanup_cfg here, either.  And don't call renumber_insns.
8432
8433         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8434         and BB_HEAD are in the insn stream here.  Instead make sure
8435         that BB_INSN is valid on all insns.  Also, do check here that
8436         there are no pending branch predictions...
8437         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8438         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8439         here.
8440
8441 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8442
8443         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8444         function to simplify/factorize operand order canonicalization.
8445         (ix86_fixup_binary_operands): Reorganize using the above function.
8446         (ix86_binary_operator_ok): Likewise.
8447
8448 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8449
8450         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8451         file scope from optimize_attrs.
8452         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8453         up search.
8454         (optimize_attrs): Clear insn_code_values after freeing it.
8455
8456 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8457
8458         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8459         a parts.base assignment.
8460
8461 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8462
8463         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8464         (compute_subscript_distance, initialize_data_dependence_relation,
8465         finalize_ddr_dependent, analyze_ziv_subscript,
8466         analyze_siv_subscript_cst_affine,
8467         compute_overlap_steps_for_affine_univar,
8468         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8469         analyze_siv_subscript, analyze_miv_subscript,
8470         analyze_overlapping_iterations, subscript_dependence_tester_1,
8471         compute_self_dependence, free_dependence_relation): Work
8472         with affine_fn instead of chrecs.
8473         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8474         common_affine_function, affine_function_base,
8475         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8476         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8477         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8478         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8479         (all_chrecs_equal_p): Removed.
8480         * tree-data-ref.h (affine_fn, conflict_function): New types.
8481         (struct subscript): Change type of conflicting_iterations_in_a
8482         and conflicting_iterations_in_b.
8483
8484 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8485
8486         PR other/30182
8487         * config/pa/pa.h (TARGET_HPUX_11): New.
8488         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8489         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8490
8491 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8492         Richard Guenther  <rguenther@suse.de>
8493
8494         * tree-ssa-structalias.c (solve_graph): Handle case
8495         we merged the variable to another.
8496
8497 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8498
8499         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8500         functions.
8501
8502         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8503         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8504
8505 2007-01-25  DJ Delorie  <dj@redhat.com>
8506
8507         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8508         allow changes to modes which don't fit in those registers.
8509
8510         * reload1.c (choose_reload_regs): Check for invalid subregs before
8511         computing their locations, not after.
8512
8513 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8514
8515         PR 25127
8516         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8517         save Altivec registers in an eh_return function.
8518         (compute_vrsave_mask): Likewise.
8519         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8520         for saving Altivec registers.
8521         (rs6000_emit_prologue): Don't allocate stack twice in
8522         eh_return function.  Correct expected value of altivec_save_offset
8523         when using save_world.  Describe save of R0 to stack when using
8524         save_world.  Describe stack pointer adjustment when using
8525         save_world.  Remove duplicated eh_return parameter register saving.
8526         Update sp_offset variable after save_world.
8527         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8528         darwin-world.asm.
8529         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8530         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8531         implies Altivec.
8532
8533 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8534
8535         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8536
8537 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8538
8539         PR other/30182
8540         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8541         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8542
8543 2007-01-25  Richard Guenther  <rguenther@suse.de>
8544
8545         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8546         * common.opt (-Wcoverage-mismatch): New warning option.
8547         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8548         if -Wcoverage-mismatch is given.
8549
8550 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8551
8552         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8553         (ipcp_driver): Change to static definition.
8554         Add dumping of the ifunctions.
8555         (constant_val_insert): Remove unused parameter. Support for SSA.
8556         (ipcp_propagate_const): Support for SSA.
8557         (ipcp_profile_bb_print): Print only analyzed nodes.
8558         (ipcp_replace_map_create): Remove support for Fortran constant
8559         for now.
8560         * ipa-prop.c (ipa_method_modify_stmt,
8561         ipa_callsite_compute_param): Support for SSA.
8562         * ipa-prop.h (ipcp_driver): Remove declaration.
8563         (IS_VALID_TREE_MAP_INDEX): Add define.
8564
8565 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8566
8567         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8568
8569 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8570
8571         PR middle-end/30447
8572         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8573         constant argument to cabs and do it without checking for
8574         -funsafe-math-optimizations.
8575
8576 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8577
8578         * c-common.h (RID_FIRST_CXX0X): New.
8579         (RID_LAST_CXX0X): New.
8580         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8581         by -Wall.
8582         * c.opt (Wc++0x-compat): New.
8583         * doc/invoke.texi (-Wc++0x-compat): Document.
8584
8585 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8586
8587         * builtins.c (fold_builtin_carg): New.
8588         (fold_builtin_1): Use it.
8589
8590 2007-01-24  Jan Hubicka  <jh@suse.cz>
8591
8592         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8593
8594         * ipa-inline.c (initial_insns, max_insns): Delete.
8595         (compute_max_insns): New function.
8596         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8597         of insns as base for code growth.
8598         (cgraph_decide_inlining): Make initial_insns local; do not compute
8599         max_insns.
8600         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8601         * doc/invoke.texi (inline-unit-growth): Update docs.
8602
8603 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8604
8605         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8606         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8607         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8608         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8609         for CPUs that have PTA_CX16 set.
8610
8611         PR middle-end/27416
8612         * gimplify.c (omp_check_private): New function.
8613         (gimplify_scan_omp_clauses): Use it for
8614         firstprivate/lastprivate/reduction.
8615
8616         PR middle-end/30494
8617         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8618         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8619
8620         PR middle-end/30421
8621         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8622         If lower_lastprivate_clauses emits some statements, append them
8623         to dlist rather than body_p and to body_p append an initializer.
8624         (lower_omp_for): Adjust caller.
8625
8626 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8627
8628         * target.h (globalize_decl_name): New.
8629         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8630         * output.h (default_globalize_decl_name): New.
8631         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8632         globalize_label.
8633         (globalize_decl): Ditto.
8634         (default_globalize_decl_name): New.
8635         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8636         (ia64_handle_version_id_attribute): New.
8637         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8638         (ia64_asm_output_external): Use globalize_decl_name instead
8639         of globalize_label.
8640         * doc/extend.texi (version_id): New pragma.
8641         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8642
8643 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8644
8645         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8646         _uleb128_t and _Unwind_SWord with _sleb128_t.
8647         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8648         uw_frame_state_for, uw_update_context_1): Likewise.
8649         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8650         * unwind-pe.h (read_uleb128, read_sleb128,
8651         read_encoded_value_with_base): Likewise.
8652         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8653
8654 2007-01-24  Richard Guenther  <rguenther@suse.de>
8655
8656         * builtins.c (expand_builtin_cexpi): Get the fndecl
8657         for cexp in the correct way.
8658
8659 2007-01-24  Jan Hubicka  <jh@suse.cz>
8660
8661         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8662
8663 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8664
8665         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8666         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8667         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8668         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8669         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8670         __SIZEOF_PTRDIFF_T__.
8671         * doc/cpp.texi: Documentation for the new builtin macros added.
8672
8673 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8674
8675         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8676         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8677         instead of operands[2] to avoid access past the end of array.
8678
8679 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8680
8681         * reload1.c (emit_reload_insns): Pass the reload register
8682         for a non-spill output reload through forget_old_reloads_1.
8683
8684 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8685
8686         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8687         _SOFT_DOUBLE if doubles use software floating-point.
8688         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8689         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8690         * config/rs6000/darwin-ldouble.c: Also compile functions for
8691         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8692         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8693         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8694         commented-out long double override.
8695         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8696         * config/rs6000/eabispe.h: Likewise.
8697         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8698         long double for non-SPE.
8699         (rs6000_handle_option): Likewise.
8700         (invalid_e500_subreg): Disallow more subregs involding DImode,
8701         DFmode, TImode or TFmode.
8702         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8703         E500 double.
8704         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8705         double.
8706         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8707         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8708         double.
8709         (rs6000_legitimate_address): Also check for TFmode for E500
8710         double.
8711         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8712         (spe_build_register_parallel): Handle TFmode and TCmode.
8713         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8714         double.
8715         (function_arg): Handle TFmode and TCmode for E500 double.
8716         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8717         in general.
8718         (print_operand): Handle TFmode and TImode for %y.
8719         (rs6000_generate_compare): Handle TFmode comparisons for E500
8720         double.
8721         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8722         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8723         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8724         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8725         TFmode for E500 double.
8726         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8727         (floatsidf2): Enable for E500 double.
8728         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8729         (extenddftf2): Change to extenddftf2_fprs.
8730         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8731         depending on TARGET_E500_DOUBLE.
8732         (extendsftf2): Enable for E500 double.
8733         (trunctfdf2): Enable for E500 double.
8734         (trunctfsf2): Change to trunctfsf2_fprs.
8735         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8736         depending on TARGET_E500_DOUBLE.
8737         (floatsitf2): Enable for E500 double.
8738         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8739         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8740         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8741         (negtf2): Change to negtf2_internal.
8742         (negtf2): New expander.
8743         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8744         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8745         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8746         (movdi_internal32): Use rs6000_nonimmediate_operand.
8747         (unnamed splitter): Likewise.
8748         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8749         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8750         (SPE64TF, DITI): New mode macros.
8751         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8752         modes.
8753         (frob_tf_ti): New.
8754         (frob_<mode>_di_2): New.
8755         (frob_tf_di_8_2): New.
8756         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8757         (frob_ti_tf): New.
8758         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8759         more modes.
8760         (frob_ti_<mode>_8_2): New.
8761         (frob_ti_tf_2): New.
8762         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8763         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8764         TFmode.
8765         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8766         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8767         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8768         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8769         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8770         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8771         tsttflt_gp): New.
8772
8773 2007-01-23  Ian Lance Taylor  <iant@google.com>
8774
8775         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8776         insn-*.o first.
8777         (OBJS-archive): Reformat, alphabetize.
8778         (OBJS): Change out_object_file to OBJS-md.
8779
8780 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8781
8782         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8783         JUMP_P and CALL_P predicates where applicable.
8784         * config/i386/i386.c: Ditto.
8785         * config/i386/i386.md: Ditto.
8786         * config/i386/mmx.md: Ditto.
8787         * config/i386/predicates.md: Ditto.
8788
8789 2007-01-22  Andreas Schwab  <schwab@suse.de>
8790
8791         * config/m68k/m68k.h: Fix comment.
8792
8793 2007-01-22  Jan Hubicka  <jh@suse.cz>
8794
8795         * passes.c (init_optimization_passes): Do not rerun
8796         pass_early_warn_uninitialized.
8797
8798 2007-01-22  Richard Guenther  <rguenther@suse.de>
8799
8800         PR tree-optimization/30038
8801         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8802         function.
8803         (execute_cse_sincos_1): Likewise.
8804         (execute_cse_sincos): Likewise.
8805         (gate_cse_sincos): Likewise.
8806         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8807         the cexpi() canonicalization of sincos().
8808         * tree-pass.h (pass_cse_sincos): Declare.
8809         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8810
8811 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8812
8813         PR rtl-optimization/29329
8814         * combine.c (replaced_rhs_insn): Rename to i2mod.
8815         (replaced_rhs_value): Rename to i2mod_new_rhs.
8816         (i2mod_old_rhs): New global variable.
8817         (combine_instructions): Adjust for above change.  Save a copy of
8818         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8819         note are substituted in the second instruction.
8820         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8821         ditch the note if it pertains to the second eliminated register
8822         and this register is mentioned in i2mod_old_rhs.
8823
8824         Revert:
8825         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8826
8827         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8828         the insn to which the note was originally attached.
8829
8830 2007-01-21  Jan Hubicka  <jh@suse.cz>
8831
8832         * ipa-inline.c (inlining_mode): Comment, move up.
8833         (cgraph_decide_inlining_incrementally): Do not perform inlining
8834         itself; fix handling of flattening of self recursive functions.
8835         (cgraph_find_cycles): Remove.
8836         (cgraph_flatten_node): Remove.
8837         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8838         (try_inline): New function.
8839         (cgraph_early_inlining): Update call of
8840         cgraph_decide_inlining_incrementally.  Apply inlining here.
8841         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8842
8843 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8844
8845         PR bootstrap/30511
8846         * tree-vrp.c (check_array_bounds): do not warn
8847         about ADDR_EXPR's of ARRAY_REF's which are immediately
8848         used in binary expressions.
8849
8850 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8851
8852         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8853         read_write_dep and macros for its access.
8854         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8855         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8856         argument, call vect_check_interleaving for every independent pair of
8857         data-refs. Mark loads that access the same memory location as a store
8858         in the loop.
8859         (vect_check_dependences): Remove.
8860         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8861         call, fix the call to vect_analyze_data_ref_dependence.
8862         (vect_analyze_data_ref_access): For statements that access the same
8863         data-ref, check that they are not stores; for loads, check that there
8864         is no store that access the same location.
8865
8866 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8867             Joseph Myers  <joseph@codesourcery.com>
8868
8869         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8870         (-fdump-rtl-stack): Likewise.
8871         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8872         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8873         (-mpt-fixed): Use @minus{} for minus sign.
8874         (Using Precompiled Headers): Fix under/overfull hbox.
8875
8876 2007-01-20  Jan Hubicka  <jh@suse.cz>
8877
8878         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8879         place within annotation.
8880
8881 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8882
8883         * pa.c (output_move_double): Change array size of xoperands to 4.
8884
8885 2007-01-20  Jan Hubicka  <jh@suse.cz>
8886
8887         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8888         as temporary.
8889
8890 2007-01-19  Ian Lance Taylor  <iant@google.com>
8891
8892         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8893         constant to unsigned HOST_WIDE_INT before negating.
8894
8895 2007-01-19  Ian Lance Taylor  <iant@google.com>
8896
8897         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8898         to unsigned.
8899         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8900         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8901         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8902         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8903         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8904         (realloc_vdef, realloc_vuse): Change second parameter to
8905         unsigned.
8906         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8907         fields to unsigned.
8908         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8909         unsigned. Change x and lim locals to unsigned.
8910         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8911         unsigned.
8912         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8913         (copy_virtual_operands): Change i and n locals to unsigned.
8914
8915 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8916
8917         PR middle-end/29335
8918         * builtins.c (fold_builtin_1): Handle builtin fdim.
8919
8920 2007-01-20  Jan Hubicka  <jh@suse.cz>
8921
8922         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8923         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8924         init_alias_heapvars.
8925         (init_alias_heapvars): Initialize only when not already initialized.
8926         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8927
8928 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8929
8930         * common.opt (fsigned-zeros): New command line option.
8931         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8932         of flag_unsafe_math_optimizations.
8933         * opts.c (set_fast_math_flags): The -ffast-math command line option
8934         implies -fno-signed-zeros.
8935         (fast_math_flags_set_p): Likewise.
8936
8937         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8938         the documentation of -ffast-math appropriately.  Wrap long lines.
8939
8940 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8941
8942         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8943         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8944
8945 2007-01-19  Tomas Bily  <tbily@suse.cz>
8946
8947         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8948         * tree-profile.c:
8949         (tree_init_ic_make_global_vars): New function
8950         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8951         (tree_gen_ic_profiler): New function
8952         (tree_gen_ic_func_profiler): New function
8953         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8954         (tree_profile_hooks): Added hook for indirec/virtual calls
8955         * value-prof.c (tree_find_values_to_profile): New case for
8956         indirect calls
8957         (tree_values_to_profile): Call for determining indirect/virtual
8958         counters
8959         (tree_indirect_call_to_profile): New function
8960         (tree_ic_transform): New function
8961         (tree_ic): New function
8962         (find_func_by_pid): New function
8963         (init_pid_map): New function
8964         (tree_value_profile_transformations): Added check for
8965         indirect/virtual call transformation
8966         * value-prof.h (enum hist_type): New counter type for
8967         indirect/virtual calls
8968         (profile_hooks): Added new hook for profiling indirect/virtual
8969         calls
8970         * profile.c (instrument_values): New case for indirect/virtual
8971         call added
8972         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8973         (GCOV_COUNTER_V_INDIR): New counter type
8974         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8975         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8976         call added
8977         * cgraph.c: Definition of cgraph_max_pid
8978         (cgraph_create_node): Default init of pid attribute
8979         * cgraph.h: Declaration of cgraph_max_pid
8980         (struct cgraph_node): Added pid attribute
8981         * libgcov.c (__gcov_indirect_call_profiler): New function
8982         (__gcov_one_value_profiler_body): New function
8983         (__gcov_one_value_profiler): Body was moved to
8984         __gcov_one_value_profiler_body and calls it
8985
8986 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8987
8988         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8989         * gengtype.c (write_types_data, write_func_for_structure,
8990         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8991         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8992         (walk_type, write_func_for_structure): Generate the mark_hook if
8993         needed.
8994
8995 2007-01-19  Jan Hubicka  <jh@suse.cz>
8996
8997         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8998         'early' argument take inlining mode argument specifying whether to
8999         inline for size/speeed or all functions; add support for flattening;
9000         improve dumpting.
9001         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9002
9003 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9004
9005         PR c++/17947
9006         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9007         the name of the declared identifier.
9008
9009 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9010
9011         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9012         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9013         duplicate evaluation.
9014
9015 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9016
9017         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9018         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9019         to XFMode, use acosxf2 and truncate result to requested mode.
9020         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9021         (asin<mode>2): Similarly, with asin expanders.
9022         (*fscalexf4_i387): Rename from *fscalexf4.
9023         (expNcorexf3): New expander.
9024         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9025         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9026         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9027         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9028         patterns for SSE math.
9029         (exp10<mode>2): Similarly, with exp10 expanders.
9030         (exp2<mode>2): Similarly, with exp2 expanders.
9031         (expm1<mode>2): Similarly, with expm1 expanders.
9032         (ldexp<mode>3): Similarly, with ldexp expanders.
9033         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9034         Use gen_truncxf<mode>2_i387_noop to truncate result.
9035
9036 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9037
9038         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9039         for ColdFire targets.
9040
9041 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9042             Richard Sandiford  <richard@codesourcery.com>
9043
9044         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9045         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9046         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9047         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9048         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9049         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9050
9051 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9052
9053         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9054         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9055         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9056         (*adddi_dilshr32_cf): New pattern.
9057         (adddi3, subdi3): Remove first alternatives.
9058
9059 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9060
9061         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9062         implemented using move.l, do not use its cc result for floating-point
9063         comparisons.
9064
9065 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9066
9067         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9068         from accepting 's' constraints if flag_pic.
9069
9070 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9071
9072         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9073         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9074         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9075         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9076
9077 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9078
9079         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9080         ColdFire alternatives.
9081         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9082         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9083         architectures that support ff1 instruction.
9084
9085 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9086             Julian Brown  <julian@codesourcery.com>
9087
9088         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9089         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9090         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9091         Add commentary.
9092
9093 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9094
9095         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9096         and return a bool.
9097         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9098         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9099         HOST_WIDE_INT instead of an rtx.
9100         (m68k_rtx_costs): Update call accordingly.
9101         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9102         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9103         Return a bool.
9104         (output_move_simode_const): Update calls after above changes.
9105         Rework to use automatic variables and predicates like MEM_P.
9106         * config/m68k/m68k.md (pushexthisi_const): Update call to
9107         valid_mov3q_const.
9108
9109 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9110
9111         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9112         in dump_flags test.
9113
9114 2007-01-19  Richard Guenther  <rguenther@suse.de>
9115
9116         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9117         via cexp in case sincos is not available.
9118
9119 2007-01-19  Richard Guenther  <rguenther@suse.de>
9120
9121         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9122         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9123         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9124         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9125         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9126         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9127         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9128         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9129
9130 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9131
9132         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9133         New insn patterns.
9134         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9135         (atan2xf3): Directly generate RTL pattern.
9136         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9137         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9138         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9139         disable patterns for SSE math.
9140         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9141         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9142         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9143         disable patterns for SSE math.
9144
9145 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9146
9147         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9148
9149 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9150
9151         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9152         VIEW_CONVERT_EXPR to the same type as it's operand.
9153
9154 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9155
9156         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9157         configured for long double 128.
9158
9159 2007-01-18  Mike Stump  <mrs@apple.com>
9160
9161         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9162         error.
9163
9164 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9165
9166         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9167         type correct.
9168
9169 2007-01-18  Jan Hubicka  <jh@suse.cz>
9170
9171         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9172         greater than NUM_VOP_FREE_BUCKETS.
9173
9174 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9175
9176         * tree-ssa-structalias.c: Update comments.
9177         (ptabitmap_obstack): Removed.
9178         (pta_obstack): New.
9179         (oldpta_obstack): Ditto.
9180         (stats): Add a few members.
9181         (struct variable_info): Remove node, complex, address_taken, and
9182         indirect_target members. Add oldsolution member.
9183         (new_var_info): Do not initialize removed members.
9184         (constraint_expr_type): Remove INCLUDES.
9185         (constraint_graph): Add size, implicit_preds, rep,
9186         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9187         (FIRST_REF_NODE): New macro.
9188         (LAST_REF_NODE): Ditto.
9189         (FIRST_ADDR_NODE): Ditto.
9190         (find): New function.
9191         (unite): Ditto.
9192         (dump_constraint): Do not handle INCLUDES.
9193         (insert_into_complex): Do not insert duplicate constraints.
9194         (condense_varmap_nodes): Renamed and rewritten into ...
9195         (merge_node_constraints): This. Also fix bug in handling of
9196         offseted copy constraints.
9197         (clear_edges_for_node): No longer need to deal with preds at all,
9198         or removing associated preds/succs.
9199         (merge_graph_nodes): Deal with indirect_cycles.
9200         Don't deal with predecessors.
9201         (add_implicit_graph_edge): New function.
9202         (add_pred_graph_edge): Ditto.
9203         (add_graph_edge): Don't deal with predecessors.
9204         (build_constraint_graph): Removed.
9205         (build_pred_graph): New function.
9206         (build_succ_graph): Ditto.
9207         (struct scc_info): Removed in_component. Added roots, dfs, and
9208         node_mapping. Remove visited_index, unification_queue.
9209         (scc_visit): Deal with union-find we do now.
9210         Deal with cycles with REF nodes.
9211         (collapse_nodes): Renamed and rewritten to ...
9212         (unify_nodes): This.
9213         (process_unification_queue): Removed.
9214         (topo_visit): Cleanup
9215         (do_da_constraint): Use find.
9216         (do_sd_constraint): Ditto.
9217         (do_ds_constraint): Ditto.
9218         (do_complex_constraint): Ditto.
9219         (init_scc_info): Update for removed and added members.
9220         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9221         (find_indirect_cycles): This.
9222         (equivalence_class): New variable.
9223         (label_visit): New function.
9224         (perform_variable_substitution): Rewritten.
9225         (free_var_substitution_info): New function.
9226         (find_equivalent_node): Ditto.
9227         (move_complex_constraints): Ditto.
9228         (eliminate_indirect_cycles): Ditto.
9229         (solve_graph): Only propagate changed bits.
9230         Use indirect cycle elimination.
9231         Use find.
9232         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9233         (tree_id_eq): Renamed to ...
9234         (tree_vi_eq): This. Update for member change
9235         (insert_id_for_tree): Renamed and rewritten to ...
9236         (insert_vi_for_tree): This.
9237         (lookup_id_for_tree): Renamed and rewritten to ...
9238         (lookup_vi_for_tree): This.
9239         (get_id_for_tree): Renamed and rewritten to ...
9240         (get_vi_for_tree): Ditto.
9241         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9242         (process_constraint): Don't handle INCLUDES.
9243         Remove special ADDRESSOF case.
9244         (find_func_aliases): Rewrite to use vi functions instead of id
9245         ones.
9246         (create_function_info_for): Ditto.
9247         (create_variable_info_for): Ditto.
9248         (intra_create_variable_infos): Ditto.
9249         (merge_smts_into): Ditto.
9250         (find_what_p_points_to): Ditto.
9251         (init_base_vars): Ditto.
9252         (init_alias_vars): Ditto.
9253         (remove_preds_and_fake_succs): New function.
9254         (dump_sa_points_to_info): Dump new stats.
9255         (dump_solution_for_var): Use find.
9256         (set_used_smts): Fix formatting.
9257         (compute_points_to_sets): Updated for new functions.
9258         (ipa_pta_execute): Ditto.
9259
9260 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9261             Richard Sandiford  <richard@codesourcery.com>
9262
9263         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9264         parallels.
9265         * calls.c (expand_call): If the return value is a PARALLEL,
9266         extract its first member.
9267         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9268         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9269         use FUNCTION_EXTRA_EPILOGUE.
9270         (m68k_function_value): Return a PARALLEL if the return value
9271         is of a pointer type.
9272         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9273         (FUNCTION_EXTRA_EPILOGUE): Remove.
9274         * config/m68k/m68k.md (D0_REG): New constant.
9275
9276 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9277
9278         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9279         output a NOP for empty epilogues.
9280
9281 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9282
9283         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9284         before function.  Extend register save check to include all
9285         registers, not just integer ones.
9286
9287 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9288
9289         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9290         (m68k_use_return_insn): ...this.
9291         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9292         * config/m68k/m68k.c (use_return_insn): Rename to...
9293         (m68k_use_return_insn): ...this.
9294         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9295         of USE_RETURN_INSN.
9296
9297 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9298
9299         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9300         nearest even, fix denormal rounding overflow.
9301
9302 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9303
9304         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9305         f%$smove and f%$move.
9306         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9307         (extendsfdf2_cf): Use fdmove instead of f%&move.
9308         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9309         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9310
9311 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9312
9313         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9314         GPR<-GPR moves.
9315
9316 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9317
9318         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9319         (coldfire_single_format): Declare.
9320         (coldfire_double_format): Likewise.
9321         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9322         of qnan_msb_set to determine the lower bits of a canonical
9323         NaN significand.
9324         (encode_ieee_double): Likewise.
9325         (encode_ieee_quad): Likewise.
9326         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9327         (mips_single_format): Likewise.
9328         (ieee_double_format): Likewise.
9329         (mips_double_format): Likewise.
9330         (ieee_extended_motorola_format): Likewise.
9331         (ieee_extended_intel_96_format): Likewise.
9332         (ieee_extended_intel_128_format): Likewise.
9333         (ieee_extended_intel_96_round_53_format): Likewise.
9334         (ibm_extended_format): Likewise.
9335         (mips_extended_format): Likewise.
9336         (ieee_quad_format): Likewise.
9337         (mips_quad_format): Likewise.
9338         (vax_f_format): Likewise.
9339         (vax_d_format): Likewise.
9340         (vax_g_format): Likewise.
9341         (i370_single_format): Likewise.
9342         (i370_double_format): Likewise.
9343         (decimal_single_format): Likewise.
9344         (decimal_double_format): Likewise.
9345         (decimal_quad_format): Likewise.
9346         (c4x_single_format): Likewise.
9347         (c4x_extended_format): Likewise.
9348         (real_internal_format): Likewise.
9349         (coldfire_single_format): New real_format.
9350         (coldfire_double_format): Likewise.
9351         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9352         canonical_nan_lsbs_set.
9353         (pdp11_d_format): Likewise.
9354         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9355         if TARGET_COLDFIRE_CPU.
9356
9357 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9358
9359         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9360         (output_call, m68k_legitimize_call_address): Declare.
9361         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9362         parenthesees.  Add support for a 'W' constraint.
9363         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9364         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9365         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9366         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9367         variables.
9368         (override_options): Initialize them.  Do not set flag_no_function_cse
9369         for TARGET_ID_SHARED_LIBRARY.
9370         (m68k_output_pic_call): Delete.
9371         (m68k_legitimize_call_address): New function.
9372         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9373         (output_call): New function.
9374         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9375         target address from the GOT if symbolic jumps are not allowed.
9376         * config/m68k/m68k.md (call, general_operand): Do not set
9377         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9378         Merge separate flag_pic and !flag_pic define_insns into...
9379         (*call, *call_value): ...these new patterns.  Match the address
9380         rather than the containing MEM and require it to be a call_operand.
9381         Use output_call to generate the asm template.
9382         * config/m68k/predicates.md (const_call_operand): New predicate.
9383         (call_operand): Likewise.
9384
9385 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9386
9387         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9388         (STACK_GROWS_DOWNWARD): Define to 1.
9389         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9390         comments, emphasizing that these values are only defaults.
9391         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9392         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9393
9394 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9395
9396         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9397
9398 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9399             Richard Sandiford  <richard@codesourcery.com>
9400
9401         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9402         (FP_REGNO_P): New macros.
9403         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9404         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9405         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9406         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9407
9408 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9409
9410         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9411         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9412         to $tmake_file.
9413         * config/m68k/t-floatlib: New file, extracting common code from...
9414         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9415         * config/m68k/t-uclinux: Here.
9416         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9417         routines on ColdFire targets.
9418
9419 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9420
9421         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9422         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9423         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9424         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9425         explicitly set MOTOROLA to 1.
9426         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9427
9428 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9429             Nathan Sidwell  <nathan@codesourcery.com>
9430
9431         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9432         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9433         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9434         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9435         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9436         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9437         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9438         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9439         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9440         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9441         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9442         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9443         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9444         (DBX_REGISTER_NUMBER): Delete.
9445         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9446         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9447         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9448
9449 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9450
9451         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9452         * config/flat.h: New file.
9453         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9454         OBJECT_FORMAT_FLAT.
9455         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9456         indirect references for -msep-data or -mid-shared-library.
9457         Do not use PC-relative code addresses either.
9458         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9459         to -mpcrel.
9460         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9461         for shared libraries and crt1.o for executables.  Use crti.o and
9462         crtbegin.o.
9463         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9464         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9465         Do not add -elf2flt or -shared-lib-id options here.
9466         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9467         Pass -shared-lib-id if -mid-shared-library, taking the library
9468         identifier from -mshared-library-id if given, otherwise
9469         defaulting to 0.
9470         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9471         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9472         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9473         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9474         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9475         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9476         and crtend.o.
9477         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9478         jump sequence for ISA A and ISA A+.
9479         (PICJUMP): Likewise.
9480
9481 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9482
9483         * config.gcc (m68k-*-uclinux*): Base the port on the common
9484         and m68k GNU/Linux files rather than on the generic ELF ones.
9485         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9486         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9487
9488 2007-01-18  Julian Brown  <julian@codesourcery.com>
9489             Richard Sandiford  <richard@codesourcery.com>
9490
9491         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9492         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9493         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9494         before redefining.
9495         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9496         80 unconditionally.
9497         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9498
9499 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9500
9501         * doc/install.texi: Document m68k-uclinuxoldabi.
9502         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9503         * config/m68k/uclinux-oldabi.h: New file, copied from
9504         config/m68k/uclinux.h.
9505
9506 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9507
9508         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9509         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9510         (m32r_compute_frame_size): Use unsigned for regno.
9511         (m32r_reload_lr): Use gen_frame_mem.
9512         (pop): New.
9513         (m32r_output_function_epilogue): Don't output the function epilogue
9514         textually here.
9515         (m32r_expand_epilogue): New.
9516         (direct_return): Return false if the function has the interrupt
9517         attribute.
9518         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9519         * config/m32r/m32r.md (epilogue): New expander.
9520         (return_lr, return_rte): New insns.
9521         (return): Make it expander.
9522         (return_normal): New expander.
9523
9524 2007-01-18  Josh Conner  <jconner@apple.com>
9525
9526         PR target/30485
9527         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9528         support for UNLE, UNLT, UNGE, and UNGT.
9529
9530 2007-01-18  Jan Hubicka  <jh@suse.cz>
9531
9532         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9533         * tree-tailcall (add_virtual_phis): Likewise.
9534         (optimize_tail_call): Return TODOs.
9535         (execute_tail_calls): Return TODOs.
9536         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9537         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9538         changed.
9539         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9540         Cleanup cfg using TODO.
9541         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9542         * passes.c (execute_function_todo): When cleanup did something, remove
9543         unused locals.
9544         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9545         (make_edges): Don't cleanup_cfg.
9546
9547 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9548
9549         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9550         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9551         operate on the top of stack.
9552         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9553         register handling of instructions that output to the second
9554         stack slot.
9555         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9556         (move_for_stack_reg): Special-case check for dead destination
9557         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9558
9559         * config/i386/i386.md (UNSPEC_TAN): New constant.
9560         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9561         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9562         to correctly model move of constant 1.0 to top stack slot.
9563         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9564         (unnamed peephole2 pattern): Remove corresponding peephole2
9565         pattern that optimizes tan insn and loading of constant 1.0.
9566         (tanxf2): Use fptanxf4_i387.
9567         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9568         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9569         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9570         disable patterns for SSE math.
9571         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9572         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9573
9574 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9575             Richard Guenther <rguenther@suse.de>
9576
9577         PR diagnostic/8268
9578         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9579         * common.opt (Warray-bounds): Add new warning option.
9580         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9581         if -Wall is given.
9582         * Makefile.in: make tree-vrp.o depend on toplev.h
9583         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9584         is enabled.
9585         (check_array_refs, check_array_bounds, check_array_ref): New.
9586
9587 2007-01-18  Jan Hubicka  <jh@suse.cz>
9588
9589         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9590         (execute_ssa_ccp): Return flags conditionally.
9591         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9592         changed.
9593         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9594
9595 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9596
9597         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9598         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9599
9600         * Makefile.c (GTFILES): Add cfglayout.h.
9601         * gengtype.c (open_base_files): Likewise.
9602         * cfglayout.c (cfg_layout_function_footer,
9603         cfg_layout_function_header) Reindent to make gengtype happy.
9604         * cfglayout.h (cfg_layout_function_footer,
9605         cfg_layout_function_header): Add GTY(()) marker.
9606
9607         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9608
9609 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9610
9611         * genautomata.c (write_automata): Include xstrerror output in the
9612         error message if writing the DFA description file fails.
9613
9614 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9615
9616         * config/mips/mips-protos.h (mips_output_external): Make it
9617         return void.
9618         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9619         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9620         (extern_list): Likewise.
9621         (extern_head): Likewise.
9622         (TARGET_ASM_FILE_END): Likewise.
9623         (mips_file_end): Likewise.
9624         (mips_output_external): Rewritten.
9625
9626 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9627
9628         * genpreds.c (write_insn_preds_c): Only write out the function
9629         body for regclass_for_constraint if we have register constraints.
9630
9631 2007-01-17  Tom Tromey  <tromey@redhat.com>
9632
9633         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9634         * doc/install.texi (Testing): Use sourceware.org.
9635         (Binaries): Likewise.
9636         (Specific): Likewise.
9637         * doc/contrib.texi (Contributors): Use sourceware.org.
9638
9639 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9640
9641         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9642         (AVR_ENHANCED): Rename to ...
9643         (AVR_HAVE_MUL): ... new.
9644         (avr_enhanced_p): Rename to ...
9645         (avr_have_mul_p): ... new.
9646         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9647         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9648         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9649         (avr_have_mul_p): ... new.
9650         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9651         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9652         'avr_enhanced_p' and 'enhanced'.
9653         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9654         AVR_HAVE_MUL instead of AVR_ENHANCED.
9655         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9656         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9657         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9658         instead of AVR_ENHANCED.
9659         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9660         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9661         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9662
9663 2007-01-17  Ian Lance Taylor  <iant@google.com>
9664
9665         * vec.h (VEC_reserve_exact): Define.
9666         (vec_gc_p_reserve_exact): Declare.
9667         (vec_gc_o_reserve_exact): Declare.
9668         (vec_heap_p_reserve_exact): Declare.
9669         (vec_heap_o_reserve_exact): Declare.
9670         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9671         versions.
9672         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9673         negative parameter.
9674         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9675         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9676         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9677         * vec.c (calculate_allocation): Add exact parameter.  Change all
9678         callers.
9679         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9680         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9681         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9682         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9683         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9684         (vec_heap_p_reserve_exact): New function.
9685         (vec_heap_o_reserve_exact): New function.
9686
9687 2007-01-17  Jan Hubicka  <jh@suse.cz>
9688
9689         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9690
9691 2007-01-17  Eric Christopher  <echristo@apple.com>
9692
9693         * config.gcc: Support core2 processor.
9694
9695 2007-01-16  Jan Hubicka  <jh@suse.cz>
9696
9697         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9698         the names, just unlink the chain so we don't crash on dangling pointers
9699         to dead SSA names.
9700
9701 2007-01-16  Jan Hubicka  <jh@suse.cz>
9702
9703         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9704         * tree-pass.h: Reorder to make IPA passes appear toegher.
9705         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9706         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9707         parameters, do not call early inliner.
9708         * ipa-inline.c: Update comments.  Include tree-flow.h
9709         (cgraph_decide_inlining): Do not compute inlining parameters.
9710         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9711         be called with function context set up.
9712         (pass_ipa_inline): Remove unreachable functions before pass.
9713         (cgraph_early_inlining): Simplify assuming to be called from the
9714         PM as local pass.
9715         (pass_early_inline): New pass.
9716         (cgraph_gate_ipa_early_inlining): New gate.
9717         (pass_ipa_early_inline): Turn into simple wrapper.
9718         (compute_inline_parameters): New function.
9719         (gate_inline_passes): New gate.
9720         (pass_inline_parameters): New pass.
9721         (apply_inline): Move here from tree-optimize.c
9722         (pass_apply_inline): New pass.
9723         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9724         transforming.
9725         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9726         doing them by hand.
9727         (tree_function_versioning): Do not allocate dummy struct function.
9728         * tree-inline.h (optimize_inline_calls): Update prototype.
9729         * tree-optimize.c (execute_fixup_cfg): Export.
9730         (pass_fixup_cfg): Remove
9731         (tree_rest_of_compilation): Do not apply inlines.
9732         * tree-flow.h (execute_fixup_cfg): Declare.
9733         * Makefile.in (gt-passes.c): New.
9734         * passes.c: Include gt-passes.h
9735         (init_optimization_passes): New passes.
9736         (nnodes, order): New static vars.
9737         (do_per_function_toporder): New function.
9738         (execute_one_pass): Dump current pass here.
9739         (execute_ipa_pass_list): Don't dump current pass here.
9740
9741 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9742
9743         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9744         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9745
9746 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9747
9748         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9749         (strong_alias): Define.
9750         (__gcc_qmul): Provide non-FMA for soft-float.
9751         (__gcc_qdiv): Same.
9752         (__gcc_qneg): New.
9753         (__gcc_qeq): New.
9754         (__gcc_qle): New.
9755         (__gcc_qge): New.
9756         (__gcc_qunord): New.
9757         (__gcc_stoq): New.
9758         (__gcc_dtoq): New.
9759         (__gcc_qtos): New.
9760         (__gcc_qtod): New.
9761         (__gcc_qtoi): New.
9762         (__gcc_qtou): New.
9763         (__gcc_itoq): New.
9764         (__gcc_utoq): New.
9765         (fmsub): New.
9766         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9767         soft-float functions.
9768         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9769         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9770         about long double soft float.
9771
9772 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9773             Tehila Meyzels  <tehila@il.ibm.com>
9774
9775         * tree-vectorizer.h (is_pattern_stmt_p): New.
9776         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9777         formatting (tabs instead of spaces). Cleanup and clarify setting
9778         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9779         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9780         (vectorizable_type_demotion): Check that types are integral.
9781         (vectorizable_type_promotion): Likewise.
9782         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9783         comments.
9784
9785 2007-01-16  Jan Hubicka  <jh@suse.cz>
9786
9787         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9788         cgraph edges too.
9789
9790 2007-01-15  Eric Christopher  <echristo@apple.com>
9791
9792         * ifcvt.c: Include vec.h, vecprim.h.
9793         (check_cond_move_block): New argument regs.
9794         Reorganize. Add registers used to regs.
9795         (cond_move_process_if_block): Use regs set above as
9796         loop bounds.
9797
9798 2007-01-15  Eric Christopher  <echristo@apple.com>
9799
9800         * config/darwin.h: Update copyright.
9801         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9802         (LINK_COMMAND_SPEC): Add -u.
9803         (LINK_SPEC): Fix umbrella for above.
9804
9805 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9806
9807         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9808         glibc CVS.
9809
9810 2007-01-15  Tom Tromey  <tromey@redhat.com>
9811
9812         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9813         * doc/install.texi (Testing): Don't mention jacks.
9814         (Configuration): Document --enable-java-maintainer-mode.  Move
9815         --with-java-home to libgcj-specific section.  Document
9816         --with-ecj-jar.
9817         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9818
9819 2007-01-15  Jan Hubicka  <jh@suse.cz>
9820
9821         * tree-ssa-dce.c (DCE_TODOs): New.
9822         (propagate_necessity): Return if something changed.
9823         (eliminate_unnecessary_stmts): Likewise.
9824         (perform_tree_ssa_dce): Return TODO flags when needed.
9825         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9826
9827 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9828
9829         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9830         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9831         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9832         patterns using X87MODEF12 mode macro.  Extend operand 1
9833         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9834         (log10<mode>2): Ditto.
9835         (log2<mode>2): Ditto.
9836         (log1p<mode>2): Ditto.
9837         (logb<mode>2): Ditto.
9838         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9839         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9840         (*fxtractxf3_i387): Rename from *fxtractxf3.
9841         (fxtract_extend<mode>xf3_i387): New insn pattern.
9842         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9843         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9844         and gen_fyl2xxf3_i387().
9845
9846 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9847
9848         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9849         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9850         get_loop_exit_edges.  Changed return type to bool.
9851         * cfgloop.h (fix_loop_placement): Declaration removed.
9852
9853 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9854
9855         * param.h (MIN_VECT_LOOP_BOUND): New.
9856         * params.def (MIN_VECT_LOOP_BOUND): New.
9857         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9858         argument - minimum threshold for number of iterations.
9859         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9860         argument to declaration.
9861         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9862         MIN_VECT_LOOP_BOUND.
9863         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9864         slpeel_tree_peel_loop_to_edge with additional argument.
9865         (vect_do_peeling_for_alignment): Likewise.
9866         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9867
9868 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9869
9870         PR target/30413
9871         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9872         operands of size 1.
9873
9874 2007-01-14  Jan Hubicka  <jh@suse.cz>
9875
9876         * tree-dfa.c (remove_referenced_var): New function.
9877         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9878         prune referenced vars list too.
9879         * tree-flow.h (remove_referenced_var): Declare.
9880
9881 2007-01-14  Jan Hubicka  <jh@suse.cz>
9882
9883         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9884         separately.
9885         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9886         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9887         * except.h (verify_eh_throw_table_statements): Kill prototype.
9888         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9889         into call exrepssions.
9890         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9891         eh trhow verifier.
9892         * tree-cfg.c: Include pointer-set.h.
9893         (verify_node_sharing): Work on pointer set.
9894         (verify_eh_throw_stmt_node): New.
9895         (verify_stmts): Use pointers sets, verify throw_stmt.
9896
9897 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9898
9899         * ipa-reference.c (analyze_function): Consider also addresses taken
9900         in phi nodes.
9901
9902 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9903
9904         * c-typeck.c (null_pointer_constant_p): Replace use of
9905         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9906         (build_c_cast): Likewise.
9907
9908 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9909
9910         * tree.h (force_fit_type_double): Remove unused final argument.
9911         * c-common.c (constant_expression_warning): Replace use of
9912         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9913         (convert_and_check): Likewise.
9914         (shorten_compare): Update call to force_fit_type_double.
9915         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9916         * convert.c (convert_to_pointer): Update call to
9917         force_fit_type_double.
9918         * fold-const.c (force_fit_type_double): Remove overflowed_const
9919         argument.
9920         (int_const_binop, fold_convert_const_int_from_int,
9921         fold_convert_const_int_from_real, fold_div_compare,
9922         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9923         fold_abs_const, fold_not_const): Remove the final argument from
9924         calls to force_fit_type_double.
9925
9926 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9927
9928         * configure.ac: Set insn to "nop" for spu-*-* also.
9929         * configure: Regenerate.
9930
9931 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9932
9933         * builtins.def : Add BUILT_IN_FREE.
9934
9935 2007-01-12  Jan Hubicka  <jh@suse.cz>
9936
9937         PR tree-optimization/30443
9938         * tree-inline.c (tree_function_versioning): Do not optimize when
9939         cloning for inlining.
9940
9941 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9942
9943         * doc/loop.texi: Document recording of loop exits.
9944         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9945         (update_single_exits_after_duplication,
9946         update_single_exit_for_duplicated_loop,
9947         update_single_exit_for_duplicated_loops): Removed.
9948         (duplicate_loop_to_header_edge): Do not call
9949         update_single_exits_after_duplication and
9950         update_single_exit_for_duplicated_loops.
9951         (loop_version): Do not update single_exit information.
9952         (fix_loop_structure): Use record_loop_exits instead of
9953         mark_single_exit_loops.
9954         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9955         the lists of loop exits.
9956         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9957         split_edge, merge_blocks): Update the lists of loop exits.
9958         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9959         loop_optimizer_init.
9960         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9961         of mark_single_exit_loops.
9962         (loop_optimizer_finalize): Call release_recorded_exits.
9963         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9964         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9965         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9966         update single exit information.
9967         * lambda-code.c (perfect_nestify): Ditto.
9968         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9969         (mark_single_exit_loops): Removed.
9970         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9971         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9972         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9973         functions.
9974         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9975         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9976         (verify_loop_structure): Verify consistency of the exit lists.
9977         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9978         (set_single_exit): Removed.
9979         * cfgloop.h (struct loop_exit): New function.
9980         (struct loop): single_exit_ field replaced by exits field.
9981         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9982         (struct loops): Added exits hash.
9983         (mark_single_exit_loops, set_single_exit): Declaration removed.
9984         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9985
9986 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9987
9988         * doc/invoke.texi: Avoid use of @headitem.
9989
9990 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9991
9992         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9993
9994 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9995
9996         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9997         list of targets.
9998
9999 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10000             Richard Sandiford  <richard@codesourcery.com>
10001
10002         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10003         * config/m68k/m68k.opt: Resort options.
10004         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10005
10006 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10007             Richard Sandiford  <richard@codesourcery.com>
10008
10009         * doc/invoke.texi: Document the macros that are defined by
10010         m68k's -mtune and -mhard-float options.
10011         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10012         (m68k_cpp_cpu_family): Likewise.
10013         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10014         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10015         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10016         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10017         (m68k_cpp_cpu_family): Likewise.
10018
10019 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10020
10021         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10022         macros besides mc68000 as tuning macros.  Use a switch statement
10023         to set them and mcpu32.
10024
10025 2007-01-12  Julian Brown  <julian@codesourcery.com>
10026
10027         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10028         (TARGET_68040_ONLY): Rename to...
10029         (TARGET_68040): ...this.
10030         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10031         * config/m68k/m68k.md: Likewise.
10032
10033 2007-01-12  Julian Brown  <julian@codesourcery.com>
10034             Nathan Sidwell  <nathan@codesourcery.com>
10035             Richard Sandiford  <richard@codesourcery.com>
10036
10037         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10038         the -mcpu= argument associated with the --with-cpu setting.
10039         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10040         if different from the one implied by the -mcpu setting.
10041         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10042         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10043         * doc/invoke.texi: Mention ColdFire in the introduction to the
10044         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10045         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10046         -mhard-float.  Document the previously-undocumented -m5206e,
10047         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10048         documentation for consistency.
10049         * doc/install.texi: Mention new --with-cpu arguments.
10050         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10051         default CPU if neither -mcpu nor -march are specified.
10052         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10053         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10054         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10055         using m68k_tune to decide between families that implement the
10056         same ISA.  Use m68k_tune to set __mcfv4e__.
10057         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10058         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10059         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10060         (FL_ISA_C, FL_ISA_MMU): New macros.
10061         (MASK_COLDFIRE): Delete.
10062         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10063         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10064         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10065         (TARGET_HARD_FLOAT): Do not define here.
10066         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10067         (TUNE_68000): New macro.
10068         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10069         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10070         (TUNE_CFV2): Redefine in terms of m68k_tune.
10071         (uarch_type, target_device, fpu_type): New enums.
10072         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10073         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10074         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10075         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10076         (FL_FOR_isa_c): New macros.
10077         (m68k_isa): New enum.
10078         (m68k_target_selection): New structure.
10079         (all_devices, all_isas, all_microarchs): New tables.
10080         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10081         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10082         (MASK_ALL_CPU_BITS): Delete.
10083         (m68k_find_selection): New function.
10084         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10085         Map the legacy target options to a combination of the new ones.
10086         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10087         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10088         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10089         settings.
10090         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10091         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10092         properties.
10093         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10094         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10095         * config/m68k/m68k-devices.def: New file.
10096
10097 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10098             Nathan Sidwell  <nathan@codesourcery.com>
10099
10100         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10101         (SUBTARGET_EXTRA_SPECS): New macros.
10102         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10103         use %(asm_cpu_spec) instead.
10104         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10105         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10106         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10107         (EXTRA_SPECS): Rename to...
10108         (SUBTARGET_EXTRA_SPECS): ...this.
10109
10110 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10111             Richard Sandiford  <richard@codesourcery.com>
10112             Julian Brown  <julian@codesourcery.com>
10113
10114         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10115         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10116         to the configuration's default CPU.
10117         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10118         Remove default masks.
10119         (m680[012]0-*-*): Set the default with_cpu to the first part of
10120         the target name.
10121         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10122         (m68k*-*-linux): Extend the --with-cpu handling to...
10123         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10124         and m68010.  Don't set target_cpu_default2.
10125         * doc/install.texi: Document --with-cpu for m68k.
10126         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10127         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10128         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10129         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10130         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10131         (ASM_SPEC): Remove use of %(asm_cpu_default).
10132         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10133         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10134         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10135         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10136         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10137         (TARGET_DEFAULT): Delete.
10138         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10139         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10140         (CPP_CPU_SPEC): Delete.
10141         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10142         the appropriate string.
10143         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10144         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10145         (ASM_SPEC): Don't use %(asm_default_spec).
10146         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10147         TARGET_DEFAULT and add MASK_68881.
10148         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10149
10150 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10151
10152         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10153         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10154         MASK_68010 alongside MASK_68020.
10155         * doc/invoke.texi: Document -m68010.
10156         * config/m68k/m68k.opt (m68010): New.
10157         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10158         if TUNE_68010.
10159         (TUNE_68010): New macro.
10160         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10161         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10162         (M68K_CPU_m68332): Add MASK_68010.
10163         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10164         fallback definition.
10165         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10166         defines.
10167         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10168         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10169         to all entries that use MASK_68020.
10170         (output_move_simode_const, output_move_himode, output_move_qimode)
10171         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10172         instead of TARGET_68020 to select clr behavior.  Remove comment
10173         about there being no TARGET_68010.
10174         * config/m68k/m68k.md: Likewise throughout.
10175
10176 2007-01-12  Julian Brown  <julian@codesourcery.com>
10177
10178         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10179         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10180         * config/m68k/m68k.md: Likewise.
10181
10182 2007-01-12  Julian Brown  <julian@codesourcery.com>
10183
10184         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10185         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10186
10187 2007-01-12  Julian Brown  <julian@codesourcery.com>
10188
10189         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10190         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10191         * config/m68k/m68k.md: Likewise.
10192
10193 2007-01-12  Julian Brown  <julian@codesourcery.com>
10194             Richard Sandiford  <richard@codesourcery.com>
10195
10196         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10197         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10198         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10199         TARGET_CPU32.
10200         (TARGET_CPU32): Rename to...
10201         (TUNE_CPU32): ...this.
10202         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10203         (TUNE_CFV2): New macros.
10204         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10205         remove conditions that are implied by TARGET_68020.
10206         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10207         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10208         (m68k_output_function_epilogue): Likewise.
10209         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10210         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10211         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10212         non-68000 timings.  Refactor multiplication and division costs.
10213         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10214         TUNE_CPU32 instead of TARGET_CPU32.
10215         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10216         and TUNE_68060 instead of TARGET_68060.
10217         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10218         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10219         TARGET_CPU32.
10220         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10221         && !TARGET_COLDFIRE" to choose between moveq and clr.
10222         Likewise in the unnamed movsf pattern.
10223         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10224         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10225         ashiftrt pattern.
10226
10227 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10228
10229         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10230         of tabbing before backslashes.
10231
10232 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10233
10234         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10235         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10236         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10237
10238 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10239
10240         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10241         find_interesting_uses_cond.
10242         (find_interesting_uses_cond): Use extract_cond_operands.
10243         (rewrite_use_compare): Use extract_cond_operands and
10244         force_gimple_operand_bsi.  Do not call update_stmt.
10245         (determine_use_iv_cost_condition): Use extract_cond_operands.
10246         Return cheaper of using original bound and changing the exit bound.
10247
10248 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10249
10250         PR tree-optimization/29516
10251         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10252         most_expensive_mult_to_index, addr_to_parts,
10253         create_mem_ref, maybe_fold_tmr): Make the type of
10254         fields of TARGET_MEM_REF sizetype.
10255         (move_fixed_address_to_symbol, move_pointer_to_base):
10256         New functions.
10257         * tree.def (TARGET_MEM_REF): Add comment on types of
10258         the operands.
10259
10260 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10261
10262         * c-common.c (vector_types_convertible_p): Treat opaque types as
10263         always convertible if they have the same size, but not otherwise.
10264
10265 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10266
10267         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10268         Remove the b_unconditional field.
10269         (noce_try_sign_mask): Do not look at b_unconditional.
10270         (noce_process_if_block): Do not use merge_if_blocks.  Update
10271         the CFG here.  Do not set b_unconditional.
10272         (cond_move_process_if_block): Likewise.
10273         (find_cond_trap): Likewise.
10274         (check_cond_move_block): Require simple jump insns at the end
10275         of the basic block.
10276
10277 2007-01-11  Jan Hubicka  <jh@suse.cz>
10278
10279         PR tree-optimization/1046
10280         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10281         when alias info is not ready.
10282         (pass_tail_recursion): Do not require aliasing.
10283         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10284         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10285         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10286         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10287         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10288         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10289         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10290         before inlining.
10291         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10292         When aliasing is not build, mark statement as volatile.
10293
10294 2007-01-11  Tom Tromey  <tromey@redhat.com>
10295
10296         PR preprocessor/15185, PR preprocessor/20989:
10297         * doc/cppopts.texi <-MT>: Update description of algorithm for
10298         computing default target.
10299         <-M, -MD>: Reword "basename" text.
10300
10301 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10302
10303         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10304         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10305         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10306         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10307         fold_builtin_bswap, real_constp, fold_builtin_pow,
10308         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10309         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10310         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10311         * convert.c (convert_to_pointer): Likewise.
10312         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10313         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10314         const_binop, fold_convert_const_int_from_int,
10315         fold_convert_const_int_from_real,
10316         fold_convert_const_real_from_real, sign_bit_p,
10317         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10318         fold_sign_changed_comparison, fold_unary, fold_comparison,
10319         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10320         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10321         * print-tree.c (print_node_brief, print_node): Likewise.
10322         * stor-layout.c (place_field, layout_type): Likewise.
10323         * tree-chrec.c (keep_cast): Likewise.
10324         * tree.c (build_vector, build_real, build_real_from_int_cst,
10325         build_complex): Likewise.
10326
10327 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10328
10329         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10330         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10331
10332 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10333
10334         * configure.ac (strict1_warn): Rename to strict_warn.
10335         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10336         cc_set_by_configure, quoted_cc_set_by_configure,
10337         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10338         all_boot_languages, all_stagestuff): Remove.
10339         (target_list): Remove bootstrap targets.
10340         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10341         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10342         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10343         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10344         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10345         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10346         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10347         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10348         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10349         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10350         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10351         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10352         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10353         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10354         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10355         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10356         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10357         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10358         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10359         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10360         (mostlyclean): Adjust.
10361         (clean, distclean): Don't mention bootstrap stuff.
10362         * configure: Regenerate.
10363         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10364         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10365         treelang/config-lang.in (stagestuff): Remove.
10366         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10367         stageprofile, stagefeedback, stagestuff): Remove mention.
10368
10369 2007-01-11  Nick Clifton  <nickc@redhat.com>
10370
10371         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10372         Accept CONSTs.
10373         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10374         (mcore_arith_K_S_operand): Run the test for the S constraint not
10375         the test for the M constraint.
10376         (mcore_addsub_operand): Do not accept integer values that are
10377         larger than 32 bits.
10378         * config/mcore/mcore.md: Remove unused constraints from split.
10379         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10380         (addsi3): Likewise.
10381         (allocate_stack): Likewise.
10382         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10383         operands to 32 bits.
10384         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10385         INTVAL.
10386         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10387         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10388         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10389         mcore_output_bclri, mcore_output_andn, output_inline_const,
10390         mcore_output_move, mcore_output_movedouble): Likewise.
10391         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10392         (output_inline_const): Likewise.
10393         (output_inline_const): Fix format strings used in sprintf
10394         statements.
10395         * config/mcore/mcore-protos.h: Update prototypes for changed
10396         functions in mcore.c.
10397         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10398         HOST_WIDE_INT and not int.
10399         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10400         CONST_OK_FOR_N): Likewise.
10401         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10402         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10403         an INTVAL.
10404
10405 2007-01-10  Jan Hubicka  <jh@suse.cz>
10406
10407         * tree-vrp.c (remove_range_assertions): Release defs.
10408         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10409         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10410
10411 2007-01-10  Paul Brook  <paul@codesourcery.com>
10412
10413         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10414         * config/arm/arm.md (mulsi3subsi): New insn.
10415
10416 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10417
10418         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10419         (tree_transform_and_unroll_loop): New.
10420         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10421         Declare.
10422
10423 2007-01-10  Robert Kennedy <jimbob@google.com>
10424
10425         * fold-const.c (fold_comparison): Fold comparisons like (x *
10426         1000 < 0) to (x < 0).
10427
10428 2007-01-10  Ian Lance Taylor  <iant@google.com>
10429
10430         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10431         operands have the same priority.
10432
10433 2007-01-10  Tom Tromey  <tromey@redhat.com>
10434
10435         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10436         (fold_binary): Likewise.
10437         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10438         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10439         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10440         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10441         * langhooks.h (struct lang_hooks): Removed field
10442         'can_use_bit_fields_p'.
10443
10444 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10445
10446         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10447
10448 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10449
10450         * function.c (get_last_funcdef_no): New function.
10451         * function.h (get_last_funcdef_no): Declare.
10452         * tree-inline.c (initialize_cfun): Add initialization.
10453         (tree_function_versioning): Cleanup.
10454
10455 2007-01-10  Jan Hubicka  <jh@suse.cz>
10456
10457         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10458         PHIs.
10459
10460 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10461             Ben Elliston  <bje@au.ibm.com>
10462
10463         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10464         for SAVE_NONLOCAL and Pmode for any other save level.
10465         * spu-protos.h (spu_restore_stack_block): Declare.
10466         * spu.md (save_stack_block): Remove.
10467         (restore_stack_block): Call spu_restore_stack_block.
10468         * spu.c (spu_restore_stack_block): New function.
10469         (spu_expand_epilogue): Remove old comment.
10470
10471 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10472
10473         PR tree-optimization/30322
10474         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10475         (cand_value_at): Return the value as aff_tree.
10476         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10477         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10478         aff_combination_mult): New functions.
10479         (aff_combination_add): Use aff_combination_add_cst.
10480         (aff_combination_convert): Allow conversions to a wider type.
10481         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10482         * tree-affine.h (aff_combination_mult): Declare.
10483
10484 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10485
10486         * doc/tm.texi: Update documentation to reflect reality of exec
10487         and start file search behaviours. Update copyright year.
10488         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10489         header file directories.
10490
10491 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10492
10493         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10494         (*cosxf2): Rename to cosxf2_i387.
10495         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10496         using X87MODEF12 mode macro. Rename patterns to
10497         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10498         for SSE math.
10499         (*cosdf2, *cossf2): Ditto.
10500         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10501         to match extended input operands.
10502         (sincos<mode>3): New expander.
10503         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10504         insn patterns and corresponding splitters.
10505
10506 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10507
10508         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10509         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10510
10511 2007-01-09  Nicolas Pitre  <nico@cam.org>
10512
10513         PR target/30173
10514         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10515
10516 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10517
10518         * target.h (struct gcc_target): New field library_rtti_comdat.
10519         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10520         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10521         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10522         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10523
10524 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10525
10526         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10527
10528 2007-01-08  Richard Guenther  <rguenther@suse.de>
10529
10530         * tree.h (force_fit_type_double): Export.
10531         (force_fit_type): Remove.
10532         * fold-const.c (force_fit_type_double): New function.
10533         (force_fit_type): Remove.
10534         (int_const_binop): Use it.
10535         (fold_convert_const_int_from_int): Likewise.
10536         (fold_convert_const_int_from_real): Likewise.
10537         (fold_div_compare): Likewise.
10538         (fold_sign_changed_comparison): Likewise.
10539         (fold_unary): Likewise.
10540         (fold_negate_const): Likewise.
10541         (fold_abs_const): Likewise.
10542         (fold_not_const): Likewise.
10543         * c-common.c (shorten_compare): Use force_fit_type_double.
10544         * convert.c (convert_to_pointer): Likewise.
10545
10546 2007-01-08  Richard Guenther  <rguenther@suse.de>
10547
10548         * tree.h (build_int_cst_wide_type): Export.
10549         * tree.c (build_int_cst_wide_type): New function.
10550         (build_int_cst_wide): Fix comment.
10551         * builtins.c (fold_builtin_object_size): Use build_int_cst
10552         to build -1 or 0 of the correct type.  Use fit_double_type
10553         to check for overflow.
10554         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10555         to build the mask.
10556         (decode_field_reference): Likewise.
10557         (all_ones_mask_p): Likewise.
10558         (native_interpret_int): Use build_int_cst_wide_type.
10559         (fold_binary): Use build_int_cst_type to build an all-ones
10560         value.
10561         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10562
10563 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10564
10565         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10566
10567 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10568
10569         * genautomata.c (STATS_OPTION): New option.
10570         (stats_flag): New flag.
10571         (gen_automata_option): Handle it.
10572         (initiate_automaton_gen): Ditto.
10573         (write_automata): Output statistics only if stats_flag is
10574         set. Likewise, output time statistics only if time_flag is set.
10575         * doc/md.texi (Processor pipeline description): Document new flag.
10576
10577 2007-01-08  Richard Guenther  <rguenther@suse.de>
10578
10579         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10580         * tree.c (build_int_cst_type): Likewise.
10581         (size_in_bytes): Don't call force_fit_type on the result.
10582         (int_fits_type_p): Use fit_double_type.
10583         * fold-const.c (fit_double_type): New function.
10584         (force_fit_type): Use it.
10585         * tree.h (fit_double_type): Export.
10586
10587 2007-01-08  Jan Hubicka  <jh@suse.cz>
10588
10589         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10590         * ipa.c (function_and_variable_visibility): Fix return type.
10591
10592 2007-01-08  Richard Guenther  <rguenther@suse.de>
10593
10594         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10595         of offset to build the index.
10596         * tree-pretty-print.c (dump_generic_node): Don't build negated
10597         const just for printing.
10598         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10599         * builtins.c (fold_builtin_int_roundingfn): Check if result
10600         fits the type by using force_fit_type and comparing the result.
10601         * predict.c (predict_loops): Use compare_tree_int for comparison.
10602         * tree.c (build_int_cst): Fall back to integer_type_node for
10603         NULL_TREE type.
10604         (build_int_cst_wide): Assert type is non-null.
10605
10606 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10607
10608         * tree-vrp.c (extract_range_from_cond_expr): New.
10609         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10610         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10611         as expressions.
10612         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10613         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10614         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10615         used as expressions.
10616         * tree-object-size.c (cond_expr_object_size): New.
10617         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10618
10619 2007-01-08  Jan Hubicka  <jh@suse.cz>
10620
10621         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10622         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10623         statement.
10624
10625 2007-01-08  Richard Guenther  <rguenther@suse.de>
10626
10627         PR tree-optimization/23603
10628         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10629         (extract_range_from_binary): Fall back to truthvalue instead of
10630         varying for TRUTH_*_EXPR.
10631         (extract_range_from_comparison): Fall back to truthvalue instead of
10632         varying.
10633         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10634         if all visited PHI values were constant.
10635
10636 2007-01-08  Jan Hubicka  <jh@suse.cz>
10637
10638         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10639         (cgraph_analyze_function): break out from ...
10640         (cgraph_finalize_compilation_unit): ... here.
10641         (cgraph_expand_function): Remove forgoten commented out line.
10642         (cgraph_optimize): Analyze functions.
10643
10644 2007-01-08  Jan Hubicka  <jh@suse.cz>
10645
10646         * tree-pas.h (TODO_remove_function): New flag.
10647         (TODO_update*): Renumber.
10648         (pass_ipa_increase_alignment,
10649         pass_ipa_function_and_variable_visibility): New passes.
10650         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10651         (cgraph_function_and_variable_visibility): Move to ipa.c
10652         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10653         cgraph_increase_alignment.
10654         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10655         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10656         calling tree-inline.
10657         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10658         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10659         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10660         (gate_increase_alignment): New function.
10661         (pass_ipa_increase_alignment): New pass.
10662         * ipa.c: Inline tree-pass.h and timevar.h
10663         (function_and_variable_visibility): Move here from cgraphunit.c
10664         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10665         * passes.c (init_optimization_passes): Add the two new passes.
10666         (execute_todo): Handle cgraph_remove_functions.
10667
10668 2007-01-08  Nick Clifton  <nickc@redhat.com>
10669
10670         * config/frv/predicates.md (reg_or_0_operand): Accept
10671         CONST_DOUBLEs.
10672
10673 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10674
10675         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10676         * config.gcc: Add bfin*-rtems*.
10677
10678 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10679
10680         * c.opt: Add -flax-vector-conversions.
10681         * c-typeck.c (convert_for_assignment): Pass flag to
10682         vector_types_convertible_p to allow emission of note.
10683         (digest_init): Likewise.
10684         * c-opts.c: Handle -flax-vector-conversions.
10685         * c-common.c (flag_lax_vector_conversions): New.
10686         (vector_types_convertible_p): Unless -flax-vector conversions
10687         has been passed, disallow conversions between vectors with
10688         differing numbers of subparts and/or element types.  If such
10689         a conversion is disallowed, possibly emit a note on the first
10690         occasion only to inform the user of -flax-vector-conversions.
10691         The new last argument specifies this.
10692         * c-common.h (flag_lax_vector_conversions): New.
10693         (vector_types_convertible_p): Add extra argument.
10694         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10695         char_type_node for V*QI type vectors.
10696         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10697         Update to satisfy new typechecking rules.
10698         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10699         C and C++ variants.
10700         * doc/invoke.texi (C Dialect Options): Document
10701         -flax-vector-conversions.
10702
10703 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10704
10705         PR tree-optimization/29877
10706         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10707         a register variable on the RHS to not be replaceable.
10708
10709 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10710         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10711         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10712         const_simm15, const_pow2, const_npow2): Added.
10713         * config/score/misc.md (insv, extv, extzv, movmemsi,
10714         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10715         * config/score/score.c (score_address_cost, score_select_cc_mode):
10716         Added.
10717         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10718         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10719         Update score_print_operand.
10720         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10721         Adjust register allocate order and update some macro define.
10722         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10723         mdx_block_move_straight, mdx_block_move_loop_head,
10724         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10725         mdx_block_move): Added.
10726         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10727         mdp_limm): Updated and fix some bug and typo.
10728         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10729         (movsf, movdf, doloop_end): Added.
10730
10731 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10732
10733         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10734         config/arm/thumb2.md: Fix comment typos.
10735         * doc/extend.texi: Fix a typo.
10736
10737 2007-01-07  Eric Christopher  <echristo@apple.com>
10738
10739         * configure.ac: Check for __stack_chk_fail for darwin.
10740         * configure: Regenerate.
10741
10742 2007-01-07  Richard Guenther  <rguenther@suse.de>
10743
10744         * tree-vrp.c (extract_range_from_assert): CSE calls to
10745         compare_values where possible.
10746         (extract_range_from_unary_expr): Likewise.
10747
10748 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10749
10750         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10751         * config/avr/avr.c (call_insn_operand): Delete function.
10752         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10753         instead of register number. Use predicates.
10754         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10755         call_insn_operand): Add.
10756
10757 2007-01-06  Jan Hubicka  <jh@suse.cz>
10758
10759         * tree-pass.h (pass_build_cgraph_edges): Declare.
10760         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10761         (visited_nodes): Remove.
10762         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10763         build_cgrpah_edges; make visited_nodes local.
10764         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10765         (record_references_in_initializer): Move to cgraphbuild.c
10766         (initialize_inline_failed, rebuild_cgraph_edges,
10767         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10768         (verify_cgraph_node): Make visited_nodes local.
10769         (cgraph_analyze_function): Do not call cgraph_create_edges and
10770         initialize_inline_failed.
10771         (cgraph_expand_function): Do not call cgraph_lower_function;
10772         assert that function is already lowered.
10773         * Makefile.in (cgraphbuild.o): New.
10774         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10775         at the end of lowering passes.
10776
10777 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10778
10779         * ifcvt.c (cond_move_convert_if_block): New function, code
10780         factored out from...
10781         (cond_move_process_if_block): ...here.  Call the new function
10782         on the THEN and ELSE blocks.
10783         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10784         already takes care of this.
10785
10786 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10787
10788         PR c/19978
10789         * tree.h (TREE_OVERFLOW_P): New.
10790         * c-typeck.c (parser_build_unary_op): Warn only if result
10791         overflowed and operands did not.
10792         (parser_build_binary_op): Likewise.
10793         (convert_for_assignment): Remove redundant overflow_warning.
10794         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10795
10796 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10797
10798         * c-typeck.c (store_init_value): Split over two lines to follow
10799         the GNU coding style.
10800
10801 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10802
10803         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10804         __GXX_EXPERIMENTAL_CXX0X__.
10805         * doc/cpp.texi: Same.
10806
10807 2007-01-05  Richard Guenther  <rguenther@suse.de>
10808
10809         PR middle-end/27826
10810         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10811         with mismatched types.  Instead explicitly build a
10812         conversion NOP_EXPR.
10813
10814 2007-01-05  Ian Lance Taylor  <iant@google.com>
10815
10816         * c-common.c (decl_with_nonnull_addr_p): New function.
10817         (c_common_truthvalue_conversion): Call it.
10818         * c-typeck.c (build_binary_op): Likewise.
10819         * c-common.h (decl_with_nonnull_addr_p): Declare.
10820
10821 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10822
10823         PR c/30360
10824         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10825         denom against 0.0.
10826
10827 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10828
10829         * doc/install.texi (Final install): Document the fact that
10830         the GNAT runtime should not be stripped.
10831
10832 2007-01-04  Jan Hubicka  <jh@suse.cz>
10833
10834         * tree-inline.c (fold_marked_statements): Update operand caches
10835         and EH after folding
10836
10837 2007-01-04  Ian Lance Taylor  <iant@google.com>
10838
10839         * c-common.c (check_function_nonnull): Whitespace fix.
10840
10841 2007-01-04  Jan Hubicka  <jh@suse.cz>
10842
10843         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10844         comitted older version of patch.
10845         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10846         function, celanup cfg and collect garbage.
10847
10848 2007-01-04  Mike Stump  <mrs@apple.com>
10849
10850         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10851         (clean): Likewise.
10852
10853 2007-01-04  Eric Christopher  <echristo@apple.com>
10854
10855         * libgcc2.c (__bswapsi2): Use SItype.
10856         (__bswapdi2): Use DItype.
10857         * libgcc2.h: Update for above.
10858
10859 2007-01-04  Paul Brook  <paul@codesourcery.com>
10860
10861         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10862         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10863         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10864         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10865         umulsi3_highpart): Make conditional on !arm_arch6.
10866         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10867         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10868         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10869         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10870         umulsi3_highpart_v6): New insns.
10871
10872 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10873
10874         * fold-const.c (fold_convert): When casting an expression to void,
10875         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10876         have a type.  Instead of attempting to build a NOP_EXPR, return
10877         these "special" trees directly.
10878
10879 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10880
10881         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10882         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10883         rs6000_cost->fp not 0 as adjustment for outer NEG.
10884
10885 2007-01-04  Jan Hubicka  <jh@suse.cz>
10886
10887         * cgraph.c (cgraph_release_function_body): New function.
10888         (cgraph_remove_node): Use it.
10889         * cgraph.h (cgraph_release_function_body): Declare.
10890         * cgraphunit.c (cgraph_expand_function): Use it.
10891         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10892         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10893         is initialized and while compilation of other function is running.
10894         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10895         statement CFG annotations from here to ...
10896         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10897
10898 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10899
10900         * cfgloop.h (enum li_flags): Make the constants powers of two.
10901
10902 2007-01-04  Jan Hubicka  <jh@suse.cz>
10903
10904         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10905         set.
10906         (fold_marked_statements): New function.
10907         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10908         * tree-inline.h (copy_body_data): Add statements_to_fold.
10909
10910 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10911
10912         * config.gcc: Mention libgcc/config.host.
10913         * Makefile.in: Update comments mentioning libgcc.
10914         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10915         (all.cross, start.encap, rest.encap, rest.cross): Update
10916         dependencies for libgcc move.
10917         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10918         (clean-target, clean-target-libgcc): Delete.
10919         (srcdirify, GCC_EXTRA_PARTS): New macros.
10920         (libgcc-support, libgcc.mvars): New rules.
10921         (distclean): Remove mention of mklibgcc.
10922         (install): Don't reference INSTALL_LIBGCC.
10923         (install-common): Don't reference EXTRA_PARTS.
10924         (install-libgcc, install-multilib): Delete rules.
10925         * mklibgcc.in: Delete file.
10926         * doc/configfiles.texi: Don't mention mklibgcc.
10927
10928         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10929         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10930         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10931         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10932         (mklibgcc, ldblspecs): Likewise.
10933
10934         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10935         (posixpre.def): Use $(T).
10936         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10937         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10938         (SHLIB_LINK): Make dummy.
10939         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10940
10941         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10942
10943         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10944         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10945         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10946         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10947
10948         * configure.ac (all_outputs): Remove mklibgcc.
10949         * configure: Regenerated.
10950
10951 2007-01-03  Josh Conner  <jconner@apple.com>
10952
10953         PR middle-end/29683
10954         * calls.c (compute_argument_addresses): Set stack and stack_slot
10955         for partial args, too.
10956         (store_one_arg): Use locate.size.constant for the size when
10957         generating a save_area.
10958
10959 2007-01-03  Robert Kennedy <jimbob@google.com>
10960
10961         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10962         whose definitions are deleted due to basic block merging.
10963
10964 2007-01-03  Paul Brook  <paul@codesourcery.com>
10965
10966         PR target/16634
10967         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10968         functions.
10969         (use_return_insn): Return 0 for Thumb interrupt functions.
10970         (print_multi_reg): Add rfe argument for IRQ returns.
10971         (arm_output_epilogue): Pop interrupt return address directly into PC.
10972         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10973
10974 2007-01-03  Paul Brook  <paul@codesourcery.com>
10975
10976         Merge from sourcerygxx-4_1.
10977         * config/arm/thumb2.md: New file.
10978         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10979         Thumb-2.
10980         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10981         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10982         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10983         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10984         tables.
10985         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10986         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10987         comptibility.
10988         * config/arm/ieee754-sf.S: Ditto.
10989         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10990         (thumb1_base_register_rtx_p): ... to this.
10991         (thumb_index_register_rtx_p): Rename...
10992         (thumb1_index_register_rtx_p): ... to this.
10993         (thumb_output_function_prologue): Rename...
10994         (thumb1_output_function_prologue): ... to this.
10995         (thumb_legitimate_address_p): Rename...
10996         (thumb1_legitimate_address_p): ... to this.
10997         (thumb_rtx_costs): Rename...
10998         (thumb1_rtx_costs): ... to this.
10999         (thumb_compute_save_reg_mask): Rename...
11000         (thumb1_compute_save_reg_mask): ... to this.
11001         (thumb_final_prescan_insn): Rename...
11002         (thumb1_final_prescan_insn): ... to this.
11003         (thumb_expand_epilogue): Rename...
11004         (thumb1_expand_epilogue): ... to this.
11005         (arm_unwind_emit_stm): Rename...
11006         (arm_unwind_emit_sequence): ... to this.
11007         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11008         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11009         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11010         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11011         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11012         thumb2_output_casesi): New functions.
11013         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11014         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11015         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11016         THUMB2_WORK_REGS): Define.
11017         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11018         arm_condexec_mask, arm_condexec_masklen)): New variables.
11019         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11020         (arm_override_options): Check new CPU capabilities.
11021         Set new architecture flag variables.
11022         (arm_isr_value): Handle v7m interrupt functions.
11023         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11024         Thumb-2.
11025         (const_ok_for_arm): Handle Thumb-2 constants.
11026         (arm_gen_constant): Ditto.  Use movw when available.
11027         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11028         functions.
11029         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11030         (thumb_find_work_register, arm_load_pic_register,
11031         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11032         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11033         print_multi_reg, output_mov_long_double_fpa_from_arm,
11034         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11035         output_mov_double_fpa_from_arm, output_move_double,
11036         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11037         output_return_instruction, arm_output_function_prologue,
11038         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11039         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11040         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11041         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11042         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11043         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11044         '!' and 'L'.
11045         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11046         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11047         (arm_file_start): Output directive for unified syntax.
11048         (arm_unwind_emit_set): Handle stack alignment instruction.
11049         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11050         Add v6t2, v7, v7a, v7r and v7m.
11051         (RETLDM): Add Thumb-2 code.
11052         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11053         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11054         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11055         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11056         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11057         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11058         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11059         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11060         ADJUST_INSN_LENGTH): Define.
11061         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11062         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11063         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11064         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11065         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11066         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11067         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11068         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11069         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11070         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11071         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11072         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11073         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11074         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11075         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11076         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11077         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11078         cortex-m3.
11079         * config/arm/arm-tune.md: Regenerate.
11080         * config/arm/arm-protos.h: Update prototypes.
11081         * config/arm/vfp.md: Enable patterns for Thumb-2.
11082         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11083         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11084         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11085         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11086         * config/arm/libunwind.S: Add Thumb-2 code.
11087         * config/arm/constraints.md: Update include Thumb-2.
11088         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11089         * config/arm/ieee754-df.S: Ditto.
11090         * config/arm/bpabi.S: Ditto.
11091         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11092         * config/arm/predicates.md (low_register_operand,
11093         low_reg_or_int_operand, thumb_16bit_operator): New.
11094         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11095         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11096         * config/arm/t-arm-elf: Add armv7 multilib.
11097         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11098         Include thumb2.md.
11099         (UNSPEC_STACK_ALIGN, ce_count): New.
11100         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11101         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11102         insns/expanders.
11103         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11104         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11105         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11106         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11107         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11108         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11109         insns.
11110         * doc/extend.texi: Document ARMv7-M interrupt functions.
11111         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11112
11113 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11114
11115         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11116         (struct _Unwind_Context): Rename args_size to flags, remove
11117         signal_frame field, add a new args_size field and version field.
11118         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11119         _Unwind_IsExtendedContext): New inline functions.
11120         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11121         Assume by_value array is only present if _Unwind_IsExtendedContext.
11122         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11123         _Unwind_IsSignalFrame.
11124         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11125         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11126         (uw_init_context_1): Initialize context->flags to
11127         EXTENDED_CONTEXT_BIT.
11128         * config/rs6000/linux-unwind.h (frob_update_context): Use
11129         _Unwind_SetSignalFrame.
11130
11131 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11132
11133         PR middle-end/30353
11134         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11135         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11136         the value.
11137
11138 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11139
11140         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11141         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11142         RET, AT_SP): Remove.
11143         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11144         instead of RET.
11145
11146         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11147         * cfgbuild.c (find_basic_blocks): Likewise.
11148         * cfgrtl.c (rtl_create_basic_block): Likewise.
11149         * function.c (temp_slots_at_level): Likewise.
11150         * reg-stack.c (stack_regs_mentioned): Likewise.
11151         * regclass.c (allocate_reg_info): Likewise.
11152         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11153         set_bb_for_stmt, move_block_to_fn): Likewise.
11154         * tree-complex.c (tree_lower_complex): Likewise.
11155         * vec.h (VEC_safe_grow_cleared): New.
11156
11157         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11158
11159 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11160
11161         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11162         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11163         to loop_version.
11164         * cfgloopmanip.c (scale_loop_frequencies): Export.
11165         (loopify): Scale the frequencies by prescribed coefficients.
11166         (set_zero_probability): New function.
11167         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11168         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11169         and frequencies according to arguments.
11170         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11171         correctly.
11172         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11173         * modulo-sched.c (sms_schedule): Set probabilities for entering
11174         versioned loop correctly.
11175         * tree-vect-transform.c (vect_transform_loop): Ditto.
11176         * cfgloop.h (loopify, loop_version): Declaration changed.
11177         (scale_loop_frequencies): Declared.
11178
11179 2007-01-02  Jan Hubicka  <jh@suse.cz>
11180
11181         * cgraph.c: Include tree-flow.h
11182         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11183         early_local_passes.
11184         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11185         * tree-pass.h (pass_all_early_optimizations): Declare.
11186         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11187         early_local_passes.
11188         (cgraph_analyze_function): Do early_local_passes.
11189         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11190         Do not add referenced vars.
11191         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11192         SSA form.
11193         (gate_all_early_local_passes): New gate.
11194         (pass_early_local_passes): Use new gate.
11195         (execute_early_local_optimizations): New functions.
11196         (gate_all_early_optimizations): New gate.
11197         (pass_all_early_optimizations): New pass.
11198         (execute_free_datastructures): Free SSA only when initialized.
11199         (gate_init_datastructures): Init only when optimizing.
11200         (tree_lowering_passes): Do early local passes when called late.
11201         * tree-profile.c (do_tree_profiling): Don't profile functions added
11202         late.
11203         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11204         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11205         not active.
11206         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11207         during early_local_passes.
11208         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11209
11210
11211 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11212
11213         * Makefile.in: Update copyright year.
11214
11215 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11216
11217         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11218         in $(lang_checks) and check-consistency targets.
11219
11220 2007-01-02  Jan Hubicka  <jh@suse.cz>
11221
11222         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11223         Do not add referenced vars.
11224         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11225         are not active.
11226         * passes.c (init_optimization_passes): Put mudflap_2 after
11227         free_datastructures.
11228
11229 2007-01-02  Jan Hubicka  <jh@suse.cz>
11230
11231         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11232         Set NOTHROW flag on call statements proved to be nothrow.
11233         Update statement of local calls so new pure/const functions are
11234         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11235         goto receivers.
11236         (tree_rest_of_compilation): Register hooks and initialize bitmap
11237         early. Do not set after_inlining flag.
11238
11239 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11240
11241         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11242         HOST_BITS_PER_LONGLONG
11243
11244 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11245
11246         PR c/19977
11247         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11248         warning for non-static initializers.
11249
11250 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11251
11252         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11253         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11254         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11255         Always use set_unique_reg_note to add REG_EQUAL notes.
11256
11257 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11258
11259         Revert:
11260         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11261
11262         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11263         * cfgbuild.c (find_basic_blocks): Likewise.
11264         * cfgrtl.c (rtl_create_basic_block): Likewise.
11265         * function.c (temp_slots_at_level): Likewise.
11266         * reg-stack.c (stack_regs_mentioned): Likewise.
11267         * regclass.c (allocate_reg_info): Likewise.
11268         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11269         set_bb_for_stmt, move_block_to_fn): Likewise.
11270         * tree-complex.c (tree_lower_complex): Likewise.
11271         * vec.h (VEC_safe_grow_cleared): New.
11272
11273 2007-01-02  Ian Lance Taylor  <iant@google.com>
11274
11275         * c-common.c (c_common_truthvalue_conversion): When warning about
11276         using an assignment as a truth value, set TREE_NO_WARNING.
11277
11278 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11279
11280         PR middle-end/7651
11281         * c.opt (Wold-style-declaration): New.
11282         * doc/invoke.texi (C-only Warning Options): New.
11283         (Wold-style-declaration): Document it.
11284         (Wextra): Enabled by -Wextra.
11285         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11286         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11287         -Wold-style-declaration.
11288
11289 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11290
11291         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11292         * cfgbuild.c (find_basic_blocks): Likewise.
11293         * cfgrtl.c (rtl_create_basic_block): Likewise.
11294         * function.c (temp_slots_at_level): Likewise.
11295         * reg-stack.c (stack_regs_mentioned): Likewise.
11296         * regclass.c (allocate_reg_info): Likewise.
11297         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11298         set_bb_for_stmt, move_block_to_fn): Likewise.
11299         * tree-complex.c (tree_lower_complex): Likewise.
11300         * vec.h (VEC_safe_grow_cleared): New.
11301
11302 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11303
11304         * c-common.c (c_common_nodes_and_builtins): Since variants of
11305         void_type_node get built before it is given a name, we need to
11306         give those variants the name, too.
11307         (complete_array_type): We need to work with the canonical main
11308         type of the array, from which we will build the qualified version.
11309         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11310         * print-tree.c (print_node): Display canonical type information
11311         for each type.
11312         * stor-layout.c (layout_type): When we don't know the
11313         alignment of a type for which we're building an array, we end up
11314         guessing wrong, so make the type require structural equality.
11315         * tree.c (make_node_stat): When we build a new type, it is its
11316         own canonical type.
11317         (build_type_attribute_qual_variant): When building an attribute
11318         variant, its canonical type is the non-attribute variant. However,
11319         if the attributes are target-dependent and they differ, we need to
11320         use structural equality checks for this type.
11321         (build_qualified_type): A qualified type is not equivalent to its
11322         unqualified variant; set the canonical type appropriately.
11323         (build_distinct_type_copy): When building a distinct type from
11324         another type, the new type is its own canonical type.
11325         (build_variant_type_copy): When building a new type variant, we
11326         assume that it is equivalent to the original type.
11327         (build_pointer_type_for_mode): When building a pointer type, also
11328         build a canonical type pointer.
11329         (build_reference_type_for_mode): When building a reference type,
11330         also build a canonical type reference.
11331         (build_index_type): When we can't hash an index type (e.g.,
11332         because its maximum value is negative), the index type requires
11333         structural equality tests.
11334         (build_array_type): Build the canonical form of an array type.
11335         (build_function_type): Function types require structural equality,
11336         because they contain default arguments, attributes, etc.
11337         (build_method_type_directly): Ditto for method types.
11338         (build_offset_type): Build the canonical offset type.
11339         (build_complex_type): Build the canonical vector type.
11340         (make_vector_type): Build the canonical vector type.
11341         * tree.h (TYPE_CANONICAL): New.
11342         (TYPE_STRUCTURAL_EQUALITY_P): New.
11343         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11344         (struct tree_type): Added "canonical" field.
11345         * params.h (VERIFY_CANONICAL_TYPES): New.
11346         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11347         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11348         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11349         * doc/invoke.texi (verify-canonical-types): Document --param
11350         parameter for verifying canonical types.
11351
11352 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11353
11354         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11355         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11356         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11357         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11358         tm_file.
11359         * config/rs6000/e500.h: New.
11360         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11361         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11362         Remove.
11363         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11364         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11365         TARGET_E500_DOUBLE): Remove.
11366         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11367         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11368         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11369         * config/rs6000/rs6000.c (rs6000_override_options): Use
11370         CHECK_E500_OPTIONS.
11371
11372 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11373
11374         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11375         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11376         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11377         rs6000_emit_cmove): Don't check TARGET_E500.
11378         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11379         sordered): Don't check TARGET_E500.
11380
11381 2007-01-01  Eric Christopher  <echristo@apple.com>
11382
11383         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11384         HARD_REGISTER_NUM_P.
11385
11386 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11387
11388         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11389         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11390         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11391         eq/ne Y".
11392
11393 2007-01-01  Mike Stump  <mrs@apple.com>
11394
11395         * configure.ac: Remove support for building with Apple's gcc-3.1.
11396
11397 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11398
11399         PR middle-end/30311
11400         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11401         REG is a hard register.  Do not modify REG before calling
11402         subreg_nregs.
11403         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11404         multiple of the size of YMODE for certain lowpart cases.
11405
11406 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11407
11408         PR middle-end/30253
11409         * gimplify (voidify_wrapper_expr): Update for
11410         GIMPLE_MODIFY_STMT.
11411
11412 2007-01-01  Andreas Schwab  <schwab@suse.de>
11413
11414         PR target/29166
11415         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11416         save of BR0 in extra_spill_size instead of spill_size.
11417         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11418         area.
11419         (ia64_expand_epilogue): Restore BR0 from its new location.
11420
11421 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11422
11423         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11424         Use a temporary variable if the left hand side is not a gimple
11425         register.
11426
11427 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11428
11429         * gimplify.c (gimplify_return_expr): Make the temporary variable
11430         for the return expression, a gimple register variable.
11431
11432 2007-01-01  Jan Hubicka  <jh@suse.cz>
11433
11434         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11435         INSN_LIST.
11436
11437 2007-01-01  Mike Stump  <mrs@apple.com>
11438
11439         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11440         .literal16.
11441         * config/darwin.c (machopic_select_rtx_section): Use
11442         HAVE_GAS_LITERAL16.
11443         (darwin_mergeable_constant_section): Likewise.
11444         * configure: Regenerate.
11445         * config.in: Regenerate.
11446
11447 2007-01-01  Jan Hubicka  <jh@suse.cz>
11448             Andrew Pinski  <pinskia@gmail.com>
11449
11450         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11451         before starting IPA passes.