gcc/ChangeLog

   1 2007-05-13  Revital Eres  <eres@il.ibm.com>
   2
   3         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
   4         which walks virtual def-use chains to find redundant stores.
   5         (dse_optimize_stmt): Call it.
   6
   7 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
   8
   9         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
  10         * passes.c (init_optimization_passes): Move pass_jump_bypass
  11         after loop2.
  12
  13         * basic-block.h (bb_has_eh_pred): Fix style issue.
  14
  15 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
  16
  17         PR rtl-optimization/31848
  18         * loop-invariant.c (move_invariant_reg): If we move an insn
  19         with a REG_EQUAL note, and that insn is not always executed,
  20         remove the REG_EQUAL note.
  21
  22 2007-05-12  Richard Guenther  <rguenther@suse.de>
  23
  24         PR tree-optimization/31797
  25         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
  26         propagate into a stmt that has volatile ops.
  27
  28 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
  29
  30         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
  31         (gcc_tooldir): Likewise.
  32         * configure: Regenerate.
  33         * Makefile.in (libsubdir_to_prefix): New variable, based on the
  34         old configure.ac gcc_tooldir setting.
  35         (prefix_to_exec_prefix): New variable.
  36         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
  37         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
  38
  39 2007-05-11  Silvius Rus  <rus@google.com>
  40
  41         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
  42         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
  43         * c-common.h (strict_aliasing_warning): Change return type.
  44         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
  45         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
  46         (build_c_cast): Condition call to strict_aliasing_warning.
  47         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
  48         * flags.h (set_Wstrict_aliasing): Declare.
  49         * opts.c (set_Wstrict_alising): Define, add call to.
  50         * tree-flow.h (strict_aliasing_warning_backend): Declare.
  51         * tree-ssa-alias-warnings.c: New file.
  52         * tree-ssa-alias.c (compute_may_aliases): Add call to
  53         strict_aliasing_warning_backend.
  54
  55 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
  56
  57         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
  58         Use loop_depth and loop_outer accessor functions.
  59         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
  60         determine_invariantness_stmt, move_computations_stmt): Ditto.
  61         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
  62         add_loop, loopify, unloop, fix_loop_structure): Ditto.
  63         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
  64         * tree-scalar-evolution.c (interpret_loop_phi,
  65         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
  66         instantiate_parameters_1, scev_const_prop): Ditto.
  67         * cfghooks.c (make_forwarder_block): Ditto.
  68         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
  69         * modulo-sched.c (loop_canon_p): Ditto.
  70         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
  71         slpeel_can_duplicate_loop_p): Ditto.
  72         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
  73         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
  74         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
  75         cancel_loop, verify_loop_structure): Ditto.
  76         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
  77         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
  78         superloops vector instead of "pred" array.
  79         (establish_preds): Take father loop as an argument.  Initialize the
  80         superloops vector.
  81         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
  82         initialize loop->outer.
  83         (flow_loop_tree_node_remove): Truncate the superloops vector.
  84         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
  85         "pred" merged to "superloops" vector.
  86         (loop_depth, loop_outer): New.
  87         (fel_init): Use loop_outer.
  88
  89 2007-05-11  Jan Hubicka  <jh@suse.cz>
  90
  91         * cgraphunit.c: Include gt-cgraphunit.h
  92         (static_ctors, static_dtors): New static vars.
  93         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
  94         based on implementation in c-common.c
  95         (cgraph_finalize_function): Call record_cdtor_fn.
  96         (cgraph_optimize): Call cgraph_build_cdtor_fns.
  97         * decl.c (finish_function): Do not call c_record_cdtor_fn.
  98         (c_write_global_declarations): Do not call c_build_cdtor_fns.
  99         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
 100         build_cdtor, c_build_cdtor_fns): Remove.
 101         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
 102         c_build_cdtor_fns): Remove prototype.
 103
 104 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
 105
 106         PR other/31852
 107         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
 108         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
 109         * builtins.c (fold_builtin_memchr): New.
 110         (expand_builtin_memchr): Call the latter.
 111         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
 112         * doc/extend.texi ([Other built-in functions provided by GCC]):
 113         Document memchr.
 114
 115 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
 116
 117         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
 118         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
 119         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
 120         PFPO_OP1_TYPE_SHIFT): Constants added.
 121         (DFP_ALL): Mode macro defined.
 122         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
 123         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
 124         Insn definitions added.
 125         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
 126         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
 127         Expanders added.
 128
 129 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
 130
 131         PR tree-optimization/31885
 132         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
 133         to be undetermined.
 134         (automatically_generated_chrec_p): Return false for NULL.
 135
 136 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 137
 138         * config/bfin/bfin.h (MOVE_RATIO): Define.
 139
 140 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
 141
 142         * config.gcc (sparc-wrs-vxworks): New target.
 143         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
 144         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
 145         * config/sparc/sparc.h: Include vxworks-dummy.h.
 146         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
 147         include LABEL_REFs too.
 148         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
 149         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
 150         VxWorks.
 151         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
 152         on VxWorks.
 153         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
 154         (sparc_emit_call_insn): New function.
 155         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
 156         functions when generating VxWorks PIC.
 157         * config/sparc/sparc.md (vxworks_load_got): New pattern.
 158         (call, call_value): Use sparc_emit_call_insn instead of
 159         emit_call_insn.
 160
 161 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 162
 163         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
 164
 165 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 166
 167         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
 168         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
 169         instead of operand_subword.
 170
 171 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 172
 173         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
 174         * config/bfin/bfin.c (bfin_local_alignment): New function.
 175         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
 176
 177 2007-05-08  Chao-ying Fu  <fu@mips.com>
 178
 179         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
 180         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
 181         (smsub_widen_optab, umsub_widen_optab): Define.
 182         * optabs.c (init_optabs): Initialize smsub_widen_optab and
 183         umsub_widen_optab.
 184         * genopinit.c (optabs): Fill in smsub_widen_optab and
 185         umsub_widen_optab.
 186         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
 187         and umsub_widen_optab to implement multiply-subtract sequences.
 188         * config/mips/mips.md (*msac<u>_di): Rename to...
 189         (<u>msubsidi4): ...this.  Extend condition to include
 190         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 191         of operand 0 to "ka" and use the three-operand form of msub<u>
 192         for TARGET_DSPR2.
 193         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
 194         to define_expands.
 195
 196 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 197
 198         PR rtl-optimization/28011
 199         * reload.c (push_reload): Set dont_share if IN appears in OUT
 200         also when IN is a PLUS rtx.
 201         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 202         are same PLUS rtx.
 203
 204 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
 205
 206         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
 207         call unshare_all_decls.
 208         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
 209         (unshare_all_decls): Remove.
 210
 211 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
 212
 213         PR 31847
 214         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
 215         dumps.
 216
 217 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 218             Nigel Stephens  <nigel@mips.com>
 219
 220         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
 221         Update comments and all uses.
 222         (MIN_FPRS_PER_FMT): Define.
 223         * config/mips/mips.c (function_arg): Fix to correctly handle
 224         the -mips32r2 -mfp64 -mabi=32 case.
 225         (override_options): Enable use of odd-numbered registers for
 226         SFmode values on MIPS32.
 227         (mips_save_reg_p): Save whole floating-point register pair if
 228         either half is used.
 229         (compute_frame_size): Fix comment.
 230
 231 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
 232
 233         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
 234         argument of type bool.
 235         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
 236         argument. Safely select temporary P register according to it.
 237         (do_link): Change call site of add_to_reg accordingly.
 238         (do_unlink): Add epilogue_p as a fourth argument and pass it
 239         to add_to_reg.
 240         (expand_interrupt_handler_epilogue): Change call of do_unlink
 241         accordingly.
 242         (bfin_expand_prologue): Add a third argument sibcall_p.
 243         * config/bfin/bfin.md (epilogue): Change call of
 244         bfin_expand_epilogue accordingly.
 245         (sibcall_epilogue): Likewise.
 246         (eh_return_internal): Likewise.
 247
 248         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
 249         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
 250         * config/bfin/bfin.c (bfin_handle_option): Handle
 251         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
 252         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
 253         Support bf534, bf536 and bf561.
 254         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
 255
 256 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
 257
 258         PR target/31854
 259         * config/i386/i386.c (ix86_function_regparm): Process local
 260         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
 261
 262 2007-05-07  Mike Stump  <mrs@apple.com>
 263
 264         * doc/invoke.texi (Warning Options): Document that -Wempty-body
 265         also checks for and while statements in C++.
 266
 267 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
 268
 269         * gcc.c (at_file_supplied): New variable.
 270         (main): Set it if we expanded argv.
 271         (do_spec_1): Pass an @-file to the linker if we were called with
 272         an @-file argument and HAVE_GNU_LD.
 273         * collect2.c (at_file_supplied): New variable.
 274         (response_file): New variable.
 275         (collect_exit): Unlink response_file if necessary.
 276         (handler): Likewise.
 277         (do_wait): Likewise.
 278         (main): Set at_file_supplied if we expanded argv.
 279         (collect_execute): Pass an @-file to subprocesses if we were called
 280         with an @-file argument.
 281         * configure.ac: Add define for HAVE_GNU_LD.
 282         * configure: Regenerate.
 283         * config.in: Regenerate.
 284
 285 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
 286
 287         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
 288         operand to HI mode.
 289         (mulsi3): New.
 290         (divsi3): New.
 291         (udivsi3): New.
 292
 293 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
 294
 295         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 296         (TARGET_ENCODE_SECTION_INFO): Re-define.
 297         (m32c_encode_section_info): New
 298         (function_vector_handler): New
 299         (current_function_special_page_vector): New
 300         (m32c_special_page_vector_p): New.
 301         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
 302         Prototype.
 303         * config/m32c/jump.md: Added instruction JSRS for functions
 304         with attribute "function_vector".
 305         * doc/extend.texi (function_vector): Added description
 306         for M16C, M32C targets.
 307
 308 2007-05-07  DJ Delorie  <dj@redhat.com>
 309
 310         PR 31794
 311         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
 312         ashrpsi3, lshrpsi3): Update shift count constraint.
 313
 314 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
 315             Nathan Froyd  <froydnj@codesourcery.com>
 316
 317         PR 22133
 318         * c-incpath.c (add_path): Strip trailing path separators.
 319
 320 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 321
 322         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
 323         Free dominance info before purging EH edges.
 324         (eliminate_degenerate_phis): Likewise.
 325         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
 326
 327 2007-05-07  Jan Hubicka  <jh@suse.cz>
 328
 329         * gimplify.c (gimplify_expr): Do not crash when folding
 330         (void *)(int)&a + 4.
 331
 332 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 333
 334         PR driver/31694
 335         * c-opts.c (lang_fortran): Make it non static.
 336         * c-common.h (lang_fortran): New prototype.
 337         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
 338         -lang-fortran option was passed by the driver.
 339
 340 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
 341
 342         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
 343         of ASSERT_CHECKING.  Tweak message.
 344
 345 2007-05-06  Revital Eres  <eres@il.ibm.com>
 346
 347         PR 30957
 348         * loop-unroll.c (insert_var_expansion_initialization):
 349         Initialize the expansions with -zero instead of +zero.
 350
 351 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 352
 353         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 354         into pic and non-pic versions. Mark r19 as used for
 355         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 356         for tgd_load, tld_load and tie_load .
 357         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 358         version of tgd_load, tld_load and tie_load depending on the
 359         value of flag_pic.
 360
 361 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
 362             Jakub Jelinek  <jakub@redhat.com>
 363
 364         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
 365         (__do_global_dtors_aux): Use more paranoid loop to run
 366         destructors if HIDDEN_DTOR_LIST_END.
 367         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
 368
 369 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
 370
 371         * varasm.c (align_variable): Don't increase alignment for
 372         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
 373         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
 374
 375 2007-05-04  Josh Conner  <jconner@apple.com>
 376
 377         * basic-block.h (cdi_direction): Assign values to all enumeration
 378         constants.
 379         (dom_computed): Remove.
 380         (dom_info_state): New.
 381         (set_dom_info_availability): New.
 382         * tree-ssa-loop-im.c (determine_invariantness): Initialize
 383         walk_data.dom_direction.
 384         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
 385         instead of dom_computed[].
 386         (split_edge): Likewise.
 387         (create_basic_block): Likewise.
 388         (merge_blocks): Likewise.
 389         * ifcvt.c (find_if_header): Likewise.
 390         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
 391         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 392         * tree-ssa.c (verify_ssa): Likewise.
 393         * tree-cfg.c (tree_verify_flow_info): Likewise.
 394         (remove_edge_and_dominated_blocks): Likewise.
 395         * dominance.c (dom_computed): Make static.
 396         (calc_dfs_tree_nonrec): Change third param to a bool.
 397         (calc_dfs_tree): Change second param to a bool.
 398         (calc_idioms): Change second param to a bool.  Use
 399         dom_convert_dir_to_idx.
 400         (init_dom_info): Validate dir before using.
 401         (dom_convert_dir_to_idx): New.
 402         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
 403         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
 404         (free_dominance_info): Use dom_convert_dir_to_idx.
 405         (get_immediate_dominator): Likewise.
 406         (set_immediate_dominator): Likewise.
 407         (get_dominated_by): Likewise.
 408         (redirect_immediate_dominators): Likewise.
 409         (nearest_common_denominator): Likewise.
 410         (dominated_by_p): Likewise.
 411         (bb_dom_dfs_in): Likewise.
 412         (bb_dom_dfs_out): Likewise.
 413         (recount_dominator): Likewise.
 414         (iterate_fix_dominators): Likewise.
 415         (add_to_dominance_info): Likewise.
 416         (delete_from_dominance_info): Likewise.
 417         (first_dom_son): Likewise.
 418         (next_dom_son): Likewise.
 419         (dom_info_available_p): Likewise.
 420         (dom_info_state): New.
 421         (set_dom_info_availability): New.
 422
 423 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 424
 425         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
 426         Expander removed.
 427         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
 428
 429 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
 430
 431         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
 432         (subdi3, subdi_carry): Delete.
 433
 434 2007-05-04  Jan Hubicka  <jh@suse.cz>
 435             Richard Guenther  <rguenther@suse.de>
 436
 437         * opts.c (decode_options): Do not fiddle with inlining
 438         parameters in case of optimizing for size.
 439         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
 440         for size do nothing.
 441         (cgraph_decide_inlining_of_small_function): When optimizing for
 442         size never inline functions increasing caller size.
 443         (cgraph_early_inlining): Inline for size when optimizing for size.
 444
 445 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 446
 447         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
 448         logical operations piecewise.
 449         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
 450         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
 451         subdi_sesidi_di): Delete.
 452         (add_with_carry): Produce carry in CC instead of a DREG to shorten
 453         the generated sequence.  Allow three-reg add in constraints.  Rewrite
 454         the rtl expression for carry to avoid zero_extend of a constant.
 455         (sub_with_carry): New pattern.
 456         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
 457         different sequence not involving jumps.
 458         (notbi): Now a named pattern.
 459
 460 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
 461
 462         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
 463         Add the note about a significant loss of accuracy of some
 464         mathematical routines when these options are used.
 465
 466 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 467
 468         * haifa-sched.c (rtx_vec_t): New typedef.
 469         (contributes_to_priority_p): Extract piece of priority () into new
 470         static function.
 471         (priority): Use the function.  Add assertion.
 472         (rank_for_schedule, set_priorities): Add assertion to check that
 473         insn's priority is initialized.
 474         (clear_priorities, calc_priorities): Change signature.  Make it update
 475         all relevant insns.  Update all callers ('add_to_speculative_block ()'
 476         and 'create_block_check_twin ()').
 477         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
 478         Add new field 'priority_status'.
 479         (INSN_PRIORITY_STATUS): New macro.
 480         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
 481
 482 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 483
 484         * sched-ebb.c (debug_ebb_dependencies): New static function.
 485         (init_ready_list): Use it.
 486
 487         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
 488         with changed signature and 'debug_rgn_dependencies ()'.
 489         (debug_rgn_dependencies): New static function.
 490         (init_ready_list): Use it.
 491
 492         * sched-int.h (debug_dependencies): Declare.
 493
 494 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 495
 496         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
 497
 498 2007-05-04  Dirk Mueller  <dmueller@suse.de>
 499
 500         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
 501
 502 2007-05-03  Jan Hubicka  <jh@suse.cz>
 503
 504         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
 505         for pointer type in more cases than before.
 506
 507         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
 508
 509         * tree-object-size.c (plus_expr_object_size): When operand size is
 510         unknown, return unknown.
 511
 512 2007-05-03  Dirk Mueller  <dmueller@suse.de>
 513
 514         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
 515
 516         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
 517         options.
 518
 519         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
 520
 521 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
 522
 523         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
 524
 525 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
 526
 527         * config/soft-fp/double.h, config/soft-fp/extended.h,
 528         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 529         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 530         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 531         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 532         glibc CVS.
 533
 534 2007-05-03  Ian Lance Taylor  <iant@google.com>
 535
 536         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 537         MASK_PPC_GFXOPT for 8540 or 8548.
 538
 539 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 540
 541         * tree-vect-transform.c (vect_update_inits_of_drs): Use
 542         vect_print_dump_info() to output debug information.
 543
 544 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 545
 546         PR target/31768
 547         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
 548         operands of size 2 when operand is not MEM_P.
 549
 550 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 551
 552         PR tree-optimization/30565
 553         * lambda-code.c (perfect_nestify): Fix updating of dominators.
 554
 555 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 556
 557         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
 558         (umulsi3_highpart): Use them.
 559         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
 560         for final accumulator to D regisster tranfser.
 561
 562 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
 563
 564         PR tree-optimization/31699
 565         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
 566         code.
 567         (vect_enhance_data_refs_alignment): Compute peel amount using
 568         TYPE_VECTOR_SUBPARTS instead of vf.
 569         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
 570
 571 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
 572
 573         PR bootstrap/31776
 574         * system.h: Remove inclusion of double-int.h
 575         * tree.h: Include double-int.h
 576         * gengtype.c: Likewise
 577         * cfgloop.h: Likewise
 578         * Makefile.in: Adjust dependencies on double-int.h
 579
 580 2007-05-02  Eric Christopher  <echristo@apple.com>
 581
 582         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
 583         -shared to -Zdynamiclib.
 584
 585 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
 586
 587         PR c++/31663
 588         * c-common.c (strip_pointer_or_array_types): New function.
 589         * c-common.h (strip_pointer_or_array_types): New function declaration.
 590
 591 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 592
 593         PR tree-optimization/31771
 594         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
 595
 596 2007-05-02  Paul Brook  <paul@codesourcery.com>
 597
 598         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
 599
 600 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 601
 602         PR middle-end/29715
 603         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
 604         transformation.
 605
 606 2007-05-02  Nick Clifton  <nickc@redhat.com>
 607
 608         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
 609
 610 2007-05-02  Richard Guenther  <rguenther@suse.de>
 611
 612         PR tree-optimization/31146
 613         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 614         argument, single_use_p.  If we have a single use that is
 615         a conversion to the definition rhs type, propagate that rhs.
 616         (forward_propagate_addr_expr): Pass single_use_p argument
 617         to forward_propagate_addr_expr_1.
 618
 619 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 620
 621         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
 622         variable.
 623
 624 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 625
 626         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
 627         'AMD Family 10 core'.
 628
 629 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 630
 631         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
 632         and athlon64-sse3 as improved versions of k8, opteron and athlon64
 633         with SSE3 instruction set support.
 634         * doc/invoke.texi: Likewise.
 635
 636 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 637
 638         * config/i386/i386.c (override_options): Tuning 32-byte loop
 639         alignment for amdfam10 architecture. Increasing the max loop
 640         alignment to 24 bytes.
 641
 642 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
 643
 644         * config/m68k/constraints.md: New.
 645         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
 646         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
 647         EXTRA_CONSTRAINT): Remove.
 648         * config/m68k/m68k.md: Include constraints.md.
 649         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 650
 651 2007-05-01  Ian Lance Taylor  <iant@google.com>
 652
 653         PR tree-optimization/31739
 654         * tree-vrp.c (vrp_val_is_max): New static function.
 655         (vrp_val_is_min): New static function.
 656         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 657         copying the node.
 658         (set_value_range): Use vrp_val_is_{max,min}.
 659         (extract_range_from_assert): Likewise.
 660         (extract_range_from_binary_expr): Likewise.
 661         (extract_range_from_unary_expr): Likewise.
 662         (dump_value_range, vrp_meet): Likewise.
 663         (vrp_visit_phi_node): Likewise.
 664         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 665
 666 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 667
 668         * config/i386/gmon-sol2.c (size_t): New type.
 669         (intptr_t): Likewise.
 670         (s_textsize): Declare as size_t.
 671         (sbrk): Declare.
 672         (monstartup): Use size_t for sizes.
 673         (_mcount): Save and restore registers.
 674         (internal_mcount): Pass 0 as the first argument to monstartup
 675         in 64-bit mode.
 676         (moncontrol): Convert pointer to appropriately sized integer
 677         before passing to profil.
 678
 679 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 680
 681         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 682         __NO_FPRS__, not just if _SOFT_DOUBLE.
 683         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 684         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 685         also for E500 double.
 686         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 687         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 688         && !TARGET_FPRS).
 689
 690 2007-05-01  Richard Guenther  <rguenther@suse.de>
 691
 692         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 693         is NULL.
 694
 695 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 696
 697         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 698
 699 2007-05-01  Jan Hubicka  <jh@suse.cz>
 700
 701         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 702         invariant.
 703
 704 2007-05-01  Jan Hubicka  <jh@suse.cz>
 705
 706         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 707         (maybe_fold_offset_to_reference): Declare.
 708         * fold-const.c (fold_unary): Do not fold
 709         (type *)&A into &A->field_of_type_and_offset_0
 710         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 711         size is unknown, give up.
 712         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 713         offsets.
 714         (maybe_fold_offset_to_reference): New.
 715         (maybe_fold_stmt_indirect): Use it.
 716         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 717         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 718         field references.
 719         (gimplify_expr): Likewise for plus_expr.
 720
 721 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 722
 723         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 724         bsi_after_labels.  Always insert statements before bsi.
 725         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 726         * predict.c (apply_return_prediction): Check for empty blocks.
 727         * cfgexpand.c (lab_rtx_for_bb): New variable.
 728         (label_rtx_for_bb): Do not create new tree labels.
 729         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 730         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 731         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 732         creating edges.
 733         (label_for_bb): Add field used.
 734         (update_eh_label, main_block_label): Mark the label used.
 735         (cleanup_dead_labels): Remove unused labels.
 736
 737 2007-05-01  Richard Guenther  <rguenther@suse.de>
 738
 739         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 740         if it is not about to be set.
 741         (get_value_range): Do not pre-allocate equiv bitmap.
 742         (update_value_range): No need to clear equiv field.
 743         (add_equivalence): Change prototype to get bitmap pointer.
 744         Allocate bitmap here if it is not already.
 745         (extract_range_from_assert): Do not allocate bitmap here.
 746         Update callers to add_equivalence.
 747         (extract_range_from_ssa_name): Likewise.
 748         (get_vr_for_comparison): New static helper.
 749         (compare_name_with_value): Handle NULL equiv bitmap by
 750         peeling the first iteration of the comparison loop.
 751         Use get_vr_for_comparison.
 752         (compare_names): Handle NULL equiv bitmaps by using fake
 753         ones.  Use get_vr_for_comparison.
 754
 755 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 756
 757         * double-int.c (mpz_set_double_int): Moved from
 758         tree-ssa-loop-niter.c.
 759         (mpz_get_double_int): Likewise; also, add option to wrap
 760         out-of-range integers.
 761         * double-int.h: New prototypes for above.
 762         * tree.c (get_static_type_bounds): Moved from
 763         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 764         TYPE_MAX_VALUE if they exist..
 765         * tree.h: New prototype for above.
 766         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 767         get_type_bounds calls.
 768         (mpz_set_double_int): Move to double-int.c.
 769         (get_type_bounds): Move to tree.c, rename to
 770         get_static_type_bounds.
 771         (mpz_to_double_int): Move to double-int.c, rename to
 772         mpz_get_double_int.
 773
 774 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 775
 776         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 777         DIV0 exception can fall through to a normal return.
 778
 779 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 780
 781         PR middle-end/22156
 782         Temporarily revert:
 783         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 784         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 785         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 786         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 787         initialize align to silence bogus warning.
 788         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 789         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 790         all_no_warning.
 791         (struct sra_walk_fns): Remove use_all parameter from use.
 792         (sra_hash_tree): Handle BIT_FIELD_REFs.
 793         (sra_elt_hash): Don't hash bitfld blocks.
 794         (sra_elt_eq): Skip them in parent compares as well.  Handle
 795         BIT_FIELD_REFs.
 796         (sra_walk_expr): Don't maintain or pass down use_all_p.
 797         (scan_use): Remove use_all parameter.
 798         (scalarize_use): Likewise.  Re-expand assignment to
 799         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 800         output, and re-scalarize after output.  Don't mark anything
 801         for no warning.
 802         (scalarize_ldst): Adjust.
 803         (scalarize_walk_gimple_modify_statement): Likewise.
 804         (build_element_name_1): Handle BIT_FIELD_REFs.
 805         (instantiate_element): Don't warn for any element whose parent
 806         is used as a whole.
 807         (instantiate_missing_elements_1): Return the sra_elt.
 808         (canon_type_for_field): New.
 809         (try_instantiate_multiple_fields): New.
 810         (instantiate_missing_elemnts): Use them.
 811         (mark_no_warning): Removed.
 812         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 813         (REPLDUP, sra_build_elt_assignment): New.
 814         (generate_copy_inout): Use them.
 815         (generate_element_copy): Likewise.  Handle bitfld differences.
 816         (generate_element_zero): Don't recurse for blocks.  Use
 817         sra_build_elt_assignment.
 818         (generate_one_element_int): Take elt instead of var.  Use
 819         sra_build_elt_assignment.
 820         (generate_element_init_1): Adjust.
 821         (scalarize_use, scalarize_copy): Use REPLDUP.
 822         (scalarize_ldst): Move assert before dereference.
 823         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 824
 825 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 826
 827         PR C++/31721
 828         * tree.c (reconstruct_complex_type): Reconstruct a reference
 829         correctly.
 830         Also use the same mode for the pointer as the old pointer type.
 831
 832 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 833
 834         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 835         Fortran compiler.
 836
 837 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 838
 839         PR rtl-optimization/31676
 840         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 841         (df_refs_record): Call it.
 842
 843 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 844
 845         * rtl.def (SS_ABS): New code.
 846         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 847         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 848         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 849         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 850         (bfin_init_builtins): Define them.
 851         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 852         (bfin_expand_builtin): ... and handle the others here.
 853         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 854         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 855         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 856         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 857         operand is only HImode.
 858
 859 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 860
 861         * regclass.c (scan_one_insn): Remove splitting of
 862         two address insns.
 863
 864 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 865             Nigel Stephens  <nigel@mips.com>
 866
 867         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 868
 869 2007-04-28  Jan Hubicka  <jh@suse.cz>
 870
 871         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 872         insn_locators_alloc instead of insn_locators_initialize;
 873         call reset_block_changes.
 874         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 875         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 876         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 877         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 878         * config/score/score.c (th_output_mi_thunk): Likewise.
 879         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 880         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 881         tolerate uninitialized locator info.
 882
 883         Re-apply:
 884         * function.c (init_function_start): Don't init line number info.
 885         (expand_function_end): Update.
 886         (reset_block_changes, record_block_change, finalize_block_changes,
 887         check_block_change, free_block_changes): Kill.
 888         * function.h (reset_block_changes, record_block_change,
 889         finalize_block_changes, check_block_change, free_block_changes): Remove
 890         prototypes.
 891         (struct function): Remove ib_boundaries_block.
 892         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 893         Use curr_insn_locator to initialize locator.
 894         (emit_line_note): Remove.
 895         * cfgexpand.c (expand_gimple_cond_expr): Update.
 896         (construct_exit_block): Likewise.
 897         (tree_expand_cfg): Initialize/finalize locators.
 898         * expr.c (expand_expr_real): Update.
 899         * cfglayout.c (line_locators_locs, line_locators_lines,
 900         file_locators_locs, file_locators_files): Remove.
 901         (set_block_levels): Move to cfgexpand.c.
 902         (insn_locators_initialize): Remove.
 903         (pass_insn_locators_initialize): Remove.
 904         (locations_locators_locs, locations_locators_vals): New static vars.
 905         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 906         Likewise.
 907         (insn_locators_alloc, insn_locators_finalize,
 908         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 909         New functions.
 910         (locator_location): New.
 911         (locator_line, locator_file): Rewrite.
 912         * rtl.h (emit_line_note): Kill.
 913         (insn_locators_alloc, insn_locators_finalize,
 914         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 915         Declare.
 916         * tree-inline.c (initialize_cfun): Do not initialize
 917         ib_boundaries_block.
 918         * passes.c (pass_insn_locators_initialize): Remove.
 919
 920 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 921
 922         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 923         info.  Update last_basic_block correctly.
 924
 925 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 926
 927         PR target/31701
 928         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 929         register itself to hold the offset constant.  Tell flow the use
 930         of r4 and r5 when they are used.
 931
 932 2007-04-27  Richard Guenther  <rguenther@suse.de>
 933
 934         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 935         if we simplified anything.
 936         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 937         warnings until we did a simplification and the stmt was not
 938         marked as TREE_NO_WARNING.
 939
 940 2007-04-27  Mike Stump  <mrs@apple.com>
 941
 942         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 943
 944 2007-04-27  Ian Lance Taylor  <iant@google.com>
 945
 946         PR middle-end/31710
 947         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 948         TYPE_MAX_VALUE exist, convert them to the new type.
 949
 950 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 951
 952         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 953         if it claims to be available.
 954         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 955         edge is redirected.
 956         (perform_tree_ssa_dce): Always free postdominators.
 957
 958 2007-04-27  Richard Henderson  <rth@redhat.com>
 959
 960         * config/alpha/predicates.md (aligned_memory_operand): Mark
 961         as define_special_predicate.
 962         (unaligned_memory_operand, normal_memory_operand): Likewise.
 963         (reg_or_unaligned_mem_operand): Remove.
 964         (any_memory_operand): Match the documentation and check for
 965         non-renumbered pseudos during reload.
 966         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 967         alpha_secondary_reload_class, update to new interface, make static.
 968         Handle CQImode like HImode.  Remove FP subreg check.
 969         (alpha_expand_mov): Use replace_equiv_address.
 970         (alpha_expand_mov_nobwx): Use any_memory_operand.
 971         (TARGET_SECONDARY_RELOAD): New.
 972         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 973         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 974         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 975         * config/alpha/alpha.md: ... here.
 976         (RELOAD12, reloadmode): New.
 977         (movcqi): New.
 978         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 979         Don't handle the aligned case here.
 980         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 981         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 982         reload_inhi_help.  Don't expect a scratch register.
 983         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 984         reload_outhi_help.
 985         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 986
 987 2007-04-27  Richard Guenther  <rguenther@suse.de>
 988
 989         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 990
 991 2007-04-27  Richard Guenther  <rguenther@suse.de>
 992
 993         PR tree-optimization/30965
 994         PR tree-optimization/30978
 995         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 996         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 997         (find_equivalent_equality_comparison): Likewise.
 998         (simplify_cond): Likewise.
 999         (get_prop_source_stmt): New helper.
1000         (get_prop_dest_stmt): Likewise.
1001         (can_propagate_from): Likewise.
1002         (remove_prop_source_from_use): Likewise.
1003         (combine_cond_expr_cond): Likewise.
1004         (forward_propagate_comparison): New function.
1005         (forward_propagate_into_cond): Rewrite to use fold for
1006         tree combining.
1007         (tree_ssa_forward_propagate_single_use_vars): Call
1008         forward_propagate_comparison to propagate comparisons.
1009
1010 2007-04-27  Richard Guenther  <rguenther@suse.de>
1011
1012         PR tree-optimization/31715
1013         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1014         sure to do computation on the offset in an appropriate
1015         signed type.
1016
1017 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
1018
1019         * reload.h (elimination_target_reg_p): Declare.
1020         * reload.c (find_reloads): Don't apply the reg_rtx move
1021         optimization if the SET_DEST satisfies elimination_target_reg_p.
1022         * reload1.c (elimination_target_reg_p): New function.
1023         (gen_reload): In the move/add2 fallback, make sure that op0
1024         does not overlap the destination register.
1025
1026 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1027
1028         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1029         transform only GIMPLE_MODIFY_STMTs.
1030         * tree-complex.c (expand_complex_operations_1): Ditto.
1031         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1032         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1033         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1034         branches.
1035         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1036         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1037         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1038         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1039         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1040         slpeel_add_loop_guard): Ditto.
1041         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1042         * lambda-code.c (perfect_nestify): Ditto.
1043         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1044         before the first statement.
1045         * tree-optimize.c (execute_free_datastructures): Fix comments.
1046         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1047         * tree-flow.h (disband_implicit_edges): Declaration removed.
1048         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1049         branches.
1050         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1051         without gotos.
1052         (disband_implicit_edges, has_label_p): Removed.
1053         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1054         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1055         branches.
1056         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1057         side effects.
1058         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1059         also for COND_EXPRs.
1060         * cfgexpand.c (label_rtx_for_bb): New function.
1061         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1062         Use label_rtx_for_bb to find the labels.
1063         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1064         last block.  Detect fallthru edges.
1065
1066 2007-04-26  Ian Lance Taylor  <iant@google.com>
1067
1068         PR target/28675
1069         * reload.c (find_reloads_subreg_address): If the address was valid
1070         in the original mode but not in the new mode, reload the whole
1071         address.
1072
1073 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1074
1075         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1076         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1077         (cleanup_control_expr_graph): Do not invalidate dominance info.
1078         Record altered blocks.
1079         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1080         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1081         cleanup_tree_cfg_bb): New functions.
1082         (remove_forwarder_block): Do not maintain the worklist of blocks.
1083         Record altered blocks.
1084         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1085         not over whole cfg.
1086         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1087         delete_unreachable_blocks if dominators are not available.
1088         * tree-inline.c (optimize_inline_calls): Free dominance information
1089         earlier.
1090         * tree-flow.h (remove_edge_and_dominated_blocks,
1091         cfgcleanup_altered_bbs): Altered.
1092         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1093         blocks.
1094         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1095         functions.
1096         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1097         do not invalidate dominators.
1098
1099 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1100
1101         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1102         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1103         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1104         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1105
1106 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1107
1108         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1109
1110 2007-04-26  Richard Guenther  <rguenther@suse.de>
1111
1112         PR tree-optimization/31703
1113         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1114         the right type for the target of the bittest.
1115
1116 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1117
1118         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1119         ix86_sol10_return_in_memory.
1120
1121 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1122
1123         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1124         variables.
1125
1126 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR c++/31598
1129         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1130
1131         PR tree-optimization/30558
1132         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1133         clear this_state.prev_try.
1134
1135 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1136             Mark Mitchell  <mark@codesourcery.com>
1137
1138         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1139         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1140         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1141
1142 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1143
1144         PR driver/31107
1145         * doc/invoke.texi (%:print-asm-header): Document.
1146         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1147         and -ftarget-help.
1148         (static_spec_functions): Add print-asm-header.
1149         (main): Print a banner before the --target-help linker options.
1150         (print_asm_header_spec_function): New function.
1151
1152 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1153
1154         PR target/31403
1155         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1156         (movsf_ie): Likewise.
1157
1158 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1159
1160         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1161
1162 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1163
1164         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1165         for divide-by-zero.
1166         (__umodsi3, __modsi3): Likewise.
1167
1168 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1169
1170         * c-typeck.c (build_compound_expr): Annotate warning()
1171         call with OPT_Wunused_value.
1172         * tree-ssa.c (warn_uninit): Annotate warning with
1173         OPT_Wunintialized.
1174         * c-common.c (handle_sentinel_attribute): Annotate warning
1175         call with OPT_Wattributes.
1176
1177 2007-04-25  Thiemo Seufer  <ths@mips.com>
1178
1179         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1180         (mips16): Fix typo.
1181         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1182         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1183         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1184         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1185         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1186         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1187
1188 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1189
1190         PR target/31680
1191         * config/i386/winnt.c (i386_pe_file_end): Strip only
1192         USER_LABEL_PREFIX when writing export name.
1193
1194 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1195
1196         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1197         sh/elf.h, vx-common.h and vxworks.h.
1198         * config/sh/sh.h: Include config/vxworks-dummy.h.
1199         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1200         (OVERRIDE_OPTIONS): Use it.
1201         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1202         (vxworks_picreg): New pattern.
1203         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1204         VXWORKS_OS_CPP_BUILTINS.
1205         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1206         to their VXWORKS_* equivalents.
1207         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1208         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1209         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1210         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1211         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1212         -mrtp/-fPIC multilibs.
1213         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1214         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1215         (MULTILIB_OSDIRNAMES): Delete.
1216
1217 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1218
1219         PR target/18989
1220         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1221
1222 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1223
1224         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1225         rounding mode to be specified by the caller.
1226         (real_to_mpfr) Likewise.
1227         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1228         include new arguments.
1229         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1230
1231 2007-04-24  Ian Lance Taylor  <iant@google.com>
1232
1233         PR tree-optimization/31605
1234         * tree-vrp.c (set_value_range): Check that min and max are not
1235         both overflow infinities.
1236         (set_value_range_to_value): New static function.
1237         (extract_range_from_binary_expr): Call set_value_range_to_value.
1238         (extract_range_from_cond_expr): Likewise.
1239         (extract_range_from_expr): Likewise.
1240         (extract_range_from_unary_expr): Likewise.  Don't create a range
1241         which overflows on both sides.
1242         (vrp_meet): Check for a useless range.
1243         (vrp_visit_phi_node): If we see a constant which looks like an
1244         overflow infinity, turn off the TREE_OVERFLOW flag.
1245
1246 2007-04-24  Ian Lance Taylor  <iant@google.com>
1247
1248         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1249
1250 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1251
1252         PR diagnostic/25923
1253         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1254         diagnostic message is being built.
1255         * tree-pretty-print.c (dump_generic_node): Only write the
1256         formatted text into BUFFER's stream if we are not building a
1257         diagnostic message.
1258         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1259         dump_generic_node.
1260         * Makefile.in (toplev.o): Depend on tree-pass.h.
1261
1262 2007-04-24  Ian Lance Taylor  <iant@google.com>
1263
1264         PR tree-optimization/31602
1265         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1266         conditionals in the copied loop header.
1267         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1268         warnings if TREE_NO_WARNING is set.
1269         * doc/invoke.texi (Warning Options): Clarify that
1270         -Wstrict-overflow does not warn about loops.
1271
1272 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1273
1274         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1275         expand on the comment about _Decimal128 arguments and check the
1276         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1277         that _Decimal128 argument uses even/odd register pair.
1278         (function_arg): Ditto.
1279
1280 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1281
1282         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1283         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1284
1285 2007-04-24  Richard Guenther  <rguenther@suse.de>
1286             Olga Golovanevsky  <olga@il.ibm.com>
1287
1288         * fold-const.c (multiple_of_p): Check for bottom
1289         to be zero.
1290
1291 2007-04-24  Richard Henderson  <rth@redhat.com>
1292
1293         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1294         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1295         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1296         looking for non-zero bits shifted out.  Avoid a recursive call
1297         when constructing the scalar.
1298         (__floatundisf): Likewise.
1299
1300 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1301
1302         * dwarf2out.c (field_byte_offset): Move the existing logic
1303         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1304         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1305
1306 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1307
1308         PR target/31641
1309         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1310         argument of 0 for memset.
1311         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1312         unsigned shift instead of the signed variant.
1313
1314 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1315
1316         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1317         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1318         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1319         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1320         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1321         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1322         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1323         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1324         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1325         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1326         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1327         "mul<mode>3", "div<mode>3"): Insn definitions added.
1328         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1329         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1330         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1331         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1332         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1333         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1334         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1335         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1336         TARGET_FLOAT_FORMAT): Macro definitions removed.
1337         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1338         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1339         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1340         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1341         (s390_gen_rtx_const_DI): Function removed.
1342         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1343
1344 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1345
1346         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1347         over an external ffs function.
1348
1349 2007-04-24  Chao-ying Fu  <fu@mips.com>
1350             Richard Sandiford  <richard@nildram.co.uk>
1351
1352         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1353         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1354         (smadd_widen_optab, umadd_widen_optab): Define.
1355         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1356         umadd_widen_optab.
1357         * genopinit.c (optabs): Fill in smadd_widen_optab and
1358         umadd_widen_optab.
1359         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1360         and umadd_widen_optab to implement multiply-add sequences.
1361         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1362         (<u>maddsidi4): ...this.  Extend condition to include
1363         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1364         of operand 0 to "ka" and use the three-operand form of madd<u>
1365         for TARGET_DSPR2.
1366         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1367         to define_expands.
1368         * config/mips/constraints.md (ka): New register constraint.
1369
1370 2007-04-24  Jan Hubicka  <j@suse.cz>
1371
1372         Revert:
1373
1374         2007-04-23  Jan Hubicka  <jh@suse.cz>
1375         * function.c (init_function_start): Don't init line number info.
1376         (expand_function_end): Update.
1377         (reset_block_changes, record_block_change, finalize_block_changes,
1378         check_block_change, free_block_changes): Kill.
1379         * function.h (reset_block_changes, record_block_change,
1380         finalize_block_changes, check_block_change, free_block_changes): Remove
1381         prototypes.
1382         (struct function): Remove ib_boundaries_block.
1383         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1384         Use curr_insn_locator to initialize locator.
1385         (emit_line_note): Remove.
1386         * cfgexpand.c (expand_gimple_cond_expr): Update.
1387         (construct_exit_block): Likewise.
1388         (tree_expand_cfg): Initialize/finalize locators.
1389         * expr.c (expand_expr_real): Update.
1390         * cfglayout.c (line_locators_locs, line_locators_lines,
1391         file_locators_locs, file_locators_files): Remove.
1392         (set_block_levels): Move to cfgexpand.c.
1393         (insn_locators_initialize): Remove.
1394         (pass_insn_locators_initialize): Remove.
1395         (locations_locators_locs, locations_locators_vals): New static vars.
1396         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1397         Likewise.
1398         (insn_locators_alloc, insn_locators_finalize,
1399         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1400         New functions.
1401         (locator_location): New.
1402         (locator_line, locator_file): Rewrite.
1403         * rtl.h (emit_line_note): Kill.
1404         (insn_locators_alloc, insn_locators_finalize,
1405         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1406         Declare.
1407         * tree-inline.c (initialize_cfun): Do not initialize
1408         ib_boundaries_block.
1409         * passes.c (pass_insn_locators_initialize): Remove.
1410
1411 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1412
1413         * doc/invoke.texi: Removed leading '-' from option index entries.
1414
1415 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1416
1417         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1418         Use phi_nodes_ptr.
1419         (create_phi_node): Use set_phi_nodes.
1420         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1421         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1422         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1423         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1424         (bsi_start, bsi_last): Use bb_stmt_list.
1425         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1426         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1427         Traverse the statements using tsi iterator.
1428         * basic-block.h (struct basic_block_def): Fields stmt_list
1429         and phi_nodes moved to ...
1430         (struct tree_bb_info): ... new structure.
1431         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1432         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1433         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1434         (tree_verify_flow_info): Verify that il.tree is not set for
1435         entry and exit block.
1436         (tree_split_block): Use set_bb_stmt_list.
1437
1438 2007-04-23  Mike Stump  <mrs@apple.com>
1439
1440         * config/i386/i386.c (ix86_tune_features
1441         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1442         nocona and core2.
1443
1444 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1445
1446         * config/i386/i386.md (prefix_extra): New attribute.
1447         (length): Add prefix_extra.
1448
1449         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1450         (sse2_movntv2di): Likewise.
1451         (sse2_cvtps2dq): Likewise.
1452         (sse2_cvtpd2pi): Likewise.
1453         (sse2_cvttpd2pi): Likewise.
1454         (*sse2_cvtpd2ps): Likewise.
1455         (*add<mode>3): Likewise.
1456         (sse2_ssadd<mode>3): Likewise.
1457         (sse2_usadd<mode>3): Likewise.
1458         (*sub<mode>3): Likewise.
1459         (sse2_sssub<mode>3): Likewise.
1460         (sse2_ussub<mode>3): Likewise.
1461         (*mulv8hi3): Likewise.
1462         (*smulv8hi3_highpart): Likewise.
1463         (*umulv8hi3_highpart): Likewise.
1464         (sse2_umulv2siv2di3): Likewise.
1465         (sse2_pmaddwd): Likewise.
1466         (ashr<mode>3): Likewise.
1467         (lshr<mode>3): Likewise.
1468         (ashl<mode>3): Likewise.
1469         (sse2_ashlti3): Likewise.
1470         (sse2_lshrti3): Likewise.
1471         (*umaxv16qi3): Likewise.
1472         (*smaxv8hi3): Likewise.
1473         (*uminv16qi3): Likewise.
1474         (*sminv8hi3): Likewise.
1475         (sse2_eq<mode>3): Likewise.
1476         (sse2_gt<mode>3): Likewise.
1477         (*and<mode>3): Likewise.
1478         (sse2_nand<mode>3): Likewise.
1479         (*ior<mode>3): Likewise.
1480         (*xor<mode>3): Likewise.
1481         (sse2_packsswb): Likewise.
1482         (sse2_packssdw): Likewise.
1483         (sse2_packuswb): Likewise.
1484         (sse2_punpckhbw): Likewise.
1485         (sse2_punpcklbw): Likewise.
1486         (sse2_punpckhwd): Likewise.
1487         (sse2_punpcklwd): Likewise.
1488         (sse2_punpckhdq): Likewise.
1489         (sse2_punpckldq): Likewise.
1490         (sse2_punpckhqdq): Likewise.
1491         (sse2_punpcklqdq): Likewise.
1492         (*sse2_pinsrw): Likewise.
1493         (*sse2_pextrw): Likewise.
1494         (sse2_pshufd_1): Likewise.
1495         (sse2_uavgv16qi3): Likewise.
1496         (sse2_uavgv8hi3): Likewise.
1497         (sse2_psadbw): Likewise.
1498         (sse2_pmovmskb): Likewise.
1499         (*sse2_maskmovdqu): Likewise.
1500         (*sse2_maskmovdqu_rex64): Likewise.
1501         (sse4a_extrqi): Likewise.
1502         (sse4a_extrq): Likewise.
1503         (sse3_lddqu): Set prefix_rep.
1504         (sse3_addsubv4sf3): Likewise.
1505         (sse3_haddv4sf3): Likewise.
1506         (sse3_hsubv4sf3): Likewise.
1507         (sse_cvtss2si): Likewise.
1508         (sse_cvtss2si_2): Likewise.
1509         (sse_cvtss2siq): Likewise.
1510         (sse_cvtss2siq_2): Likewise.
1511         (sse_cvttss2si): Likewise.
1512         (sse_cvttss2siq): Likewise.
1513         (sse2_cvttps2dq): Likewise.
1514         (sse3_movshdup): Likewise.
1515         (sse3_movsldup): Likewise.
1516         (sse2_cvtsd2si): Likewise.
1517         (sse2_cvtsd2si_2): Likewise.
1518         (sse2_cvtsd2siq): Likewise.
1519         (sse2_cvtsd2siq_2): Likewise.
1520         (sse2_cvttsd2si): Likewise.
1521         (sse2_cvttsd2siq): Likewise.
1522         (*sse2_cvtpd2dq): Likewise.
1523         (*sse2_cvttpd2dq): Likewise.
1524         (sse2_pshuflw_1): Likewise.
1525         (sse2_pshufhw_1): Likewise.
1526         (sse4a_insertqi): Likewise.
1527         (sse4a_insertq): Likewise.
1528         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1529         (ssse3_phadddv4si3): Likewise.
1530         (ssse3_phaddswv8hi3): Likewise.
1531         (ssse3_phsubwv8hi3): Likewise.
1532         (ssse3_phsubdv4si3): Likewise.
1533         (ssse3_phsubswv8hi3): Likewise.
1534         (ssse3_pmaddubswv8hi3): Likewise.
1535         (ssse3_pmulhrswv8hi3): Likewise.
1536         (ssse3_pshufbv16qi3): Likewise.
1537         (ssse3_psign<mode>3): Likewise.
1538         (ssse3_palignrti): Likewise.
1539         (abs<mode>2): Likewise.
1540         (ssse3_phaddwv4hi3): Set prefix_extra.
1541         (ssse3_phadddv2si3): Likewise.
1542         (ssse3_phaddswv4hi3): Likewise.
1543         (ssse3_phsubwv4hi3): Likewise.
1544         (ssse3_phsubdv2si3): Likewise.
1545         (ssse3_phsubswv4hi3): Likewise.
1546         (ssse3_pmaddubswv4hi3): Likewise.
1547         (ssse3_pmulhrswv4hi3): Likewise.
1548         (ssse3_pshufbv8qi3): Likewise.
1549         (ssse3_psign<mode>3): Likewise.
1550         (ssse3_palignrdi): Likewise.
1551         (abs<mode>2): Likewise.
1552         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1553         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1554         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1555
1556 2007-04-23  Nick Clifton  <nickc@redhat.com>
1557
1558         * params.def: Fix formatting of emacs local variables.
1559
1560 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1561
1562         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1563         move if inter-unit move isn't allowed.
1564         Don't split moving the first element of V2DI to DI to inter-unit
1565         move if inter-unit move isn't allowed.
1566
1567 2007-04-23  Richard Guenther  <rguenther@suse.de>
1568
1569         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1570         and CDI_POST_DOMINATORS separately.
1571
1572 2007-04-23  Nick Clifton  <nickc@redhat.com>
1573
1574         * c.opt (Wformat-contains-nul): Add warning attribute.
1575
1576 2007-04-23  Jan Hubicka  <jh@suse.cz>
1577
1578         * function.c (init_function_start): Don't init line number info.
1579         (expand_function_end): Update.
1580         (reset_block_changes, record_block_change, finalize_block_changes,
1581         check_block_change, free_block_changes): Kill.
1582         * function.h (reset_block_changes, record_block_change,
1583         finalize_block_changes, check_block_change, free_block_changes): Remove
1584         prototypes.
1585         (struct function): Remove ib_boundaries_block.
1586         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1587         Use curr_insn_locator to initialize locator.
1588         (emit_line_note): Remove.
1589         * cfgexpand.c (expand_gimple_cond_expr): Update.
1590         (construct_exit_block): Likewise.
1591         (tree_expand_cfg): Initialize/finalize locators.
1592         * expr.c (expand_expr_real): Update.
1593         * cfglayout.c (line_locators_locs, line_locators_lines,
1594         file_locators_locs, file_locators_files): Remove.
1595         (set_block_levels): Move to cfgexpand.c.
1596         (insn_locators_initialize): Remove.
1597         (pass_insn_locators_initialize): Remove.
1598         (locations_locators_locs, locations_locators_vals): New static vars.
1599         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1600         Likewise.
1601         (insn_locators_alloc, insn_locators_finalize,
1602         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1603         New functions.
1604         (locator_location): New.
1605         (locator_line, locator_file): Rewrite.
1606         * rtl.h (emit_line_note): Kill.
1607         (insn_locators_alloc, insn_locators_finalize,
1608         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1609         Declare.
1610         * tree-inline.c (initialize_cfun): Do not initialize
1611         ib_boundaries_block.
1612         * passes.c (pass_insn_locators_initialize): Remove.
1613
1614 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1615
1616         PR middle-end/31448
1617         * expr.c (reduce_to_bit_field_precision): Handle
1618         CONST_INT rtx's.
1619
1620 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1621
1622         PR tree-optimization/24659
1623         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1624         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1625         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1626         * genopinit.c (optabs): Rename vec_pack_mod_optab
1627         to vec_pack_trunc_optab.
1628         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1629         early for scalar floating point operands for NOP_EXPR.
1630         (vectorizable_type_promotion): Ditto.
1631         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1632         vec_pack_trunc_optab.
1633         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1634
1635         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1636         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1637         Rename from VEC_PACK_MOD_EXPR.
1638         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1639         * expr.c (expand_expr_real_1): Ditto.
1640         * tree-inline.c (estimate_num_insns_1): Ditto.
1641         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1642
1643         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1644         (vec_unpacks_lo_v4sf): Ditto.
1645         (vec_pack_trunc_v2df): Ditto.
1646         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1647         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1648         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1649
1650         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1651         vec_pack_mod_v8hi.
1652         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1653
1654         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1655         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1656         packing of floating point operands.
1657         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1658         represent unpacking of floating point operands.
1659         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1660         [vec_unpacks_hi]: Ditto.
1661         [vec_unpacks_lo]: Ditto.
1662
1663 2007-04-22  Jan Hubicka  <jh@suse.cz>
1664
1665         * final.c (rest_of_handle_final): Call
1666         targetm.asm_out.constructor/targetm.asm_out.destructor
1667         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1668         proper priority via decl_*_priority_insert.
1669         * c-common.c (c_expand_body): Likewise.
1670
1671 2007-04-22  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/29789
1674         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1675         (rewrite_reciprocal): New helper split out from
1676         determine_invariantness_stmt.
1677         (rewrite_bittest): Likewise.
1678         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1679         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1680         is not.
1681
1682 2007-04-22  Revital Eres  <eres@il.ibm.com>
1683
1684         * loop-unroll.c (var_to_expand): New field to support also
1685         insns of the form x = something + x.
1686         (analyze_insn_to_expand_var): Use it.
1687         (expand_var_during_unrolling): Likewise.
1688
1689 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1690
1691         * predict.c: Include pointer-set.h.
1692         (bb_predictions): New variable.
1693         (tree_predicted_by_p, tree_predict_edge,
1694         remove_predictions_associated_with_edge): Use bb_predictions map
1695         instead of bb->predictions.
1696         (clear_bb_predictions, assert_is_empty): New functions.
1697         (combine_predictions_for_bb): Use bb_predictions map.  Call
1698         clear_bb_predictions.
1699         (tree_estimate_probability): Create and free bb_predictions map.
1700         * Makefile.in (predict.o): Add pointer-set.h dependency.
1701         * basic-block.h (struct basic_block_def): Remove predictions
1702         field.
1703         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1704
1705 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1706
1707         PR target/31480
1708         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1709         is null.
1710
1711 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1712
1713         * timevar.c (timevar_print): Change reference of --disable-checking to
1714         --enable-checking=release.  Also warn if assert checking is disabled.
1715
1716 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1717
1718         PR C/30265
1719         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1720         decl as addressable if the compound literal was marked as
1721         addressable.
1722         Mark the decl as a gimple register if it is a complex or
1723         vector decl and does not live in memory.
1724
1725 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1726
1727         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1728         (GENERIC_NEXT): New function macro.
1729         (PHI_CHAIN): Use phi_node's new chain variable.
1730         (tree_phi_node): Change tree_common to tree_base
1731         and add the chain field.
1732         * tree-phinodes.c (make_phi_node): Don't set
1733         TREE_TYPE on the new node.
1734         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1735         instead of checking GIMPLE_TUPLE_P in chain_next.
1736         * tree-vect-transform.c
1737         (get_initial_def_for_induction): Look at
1738         PHI_RESULT_TREE for the type of the phi node.
1739         (update_vuses_to_preheader): Use PHI_CHAIN
1740         instead of TREE_CHAIN on the phi node.
1741         * tree-ssa-structalias.c (compute_points_to_sets):
1742         Likewise.
1743         (ipa_pta_execute): Likewise.
1744
1745 2007-04-21  Richard Guenther  <rguenther@suse.de>
1746
1747         PR middle-end/31136
1748         * fold-const.c (fold_unary): Call fold_convert_const on the
1749         original tree.
1750
1751 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1752
1753         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1754         (store_killed_in_pat): New.
1755
1756 2007-04-20  Richard Henderson  <rth@redhat.com>
1757
1758         PR target/31628
1759         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1760         TREE_LIST with a void_type_node value, not void_list_node exactly.
1761
1762 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1763
1764         * doc/standards.texi: Re-arrange into language-specific
1765         subsections. Add a C++ section, documenting which standards we
1766         support.
1767
1768 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1769
1770         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1771         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1772
1773 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1774
1775         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1776         ecrti.o and crtbegin.o.
1777         (LIB_DEFAULT_SPEC): Include -lc.
1778         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1779
1780 2007-04-20  Richard Henderson  <rth@redhat.com>
1781
1782         PR target/28623
1783         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1784         argument; update all callers.
1785         (get_unaligned_offset): New.
1786         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1787         get_unaligned_address, just pass on the address directly.
1788         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1789         the subreg in the helper patterns.
1790         (unaligned_extendqidi_le): Use get_unaligned_offset.
1791         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1792         (unaligned_extendhidi_be): Likewise.
1793         (unaligned_extendhidi): Tidy.
1794         * config/alpha/alpha-protos.h: Update.
1795
1796 2007-04-20  Richard Henderson  <rth@redhat.com>
1797
1798         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1799         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1800         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1801         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1802         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1803         (CPP_SPEC): Don't include %(cpp_subtarget).
1804         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1805         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1806         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1807
1808 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1809
1810         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1811         for __builtin_ia32_cmpordss.
1812
1813         PR tree-optimization/31632
1814         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1815         and arg1 for optimizations of comparison against min/max values.
1816         Fold arg0 to arg1's type for optimizations of comparison against
1817         min+1 and max-1 values.
1818
1819 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1820
1821         * reload.c (combine_reloads): When trying to use a dying register,
1822         check whether it's uninitialized and don't use if so.
1823
1824 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1825
1826         * fold-const.c: Remove prototypes for native_encode_expr and
1827         native_interpret_expr.
1828         (native_encode_expr): Make non-static.
1829         (native_interpret_expr): Likewise.
1830         * tree.h: Add prototypes for the above.
1831
1832 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1833
1834         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1835         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1836         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1837         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1838         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1839         Add length attributes.
1840
1841 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1842
1843         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1844         not that it is 1.
1845
1846         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1847         __STDC_WANT_DEC_FP__.
1848
1849 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1850
1851         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1852         for long double compatibility.
1853         * configure: Regenerate.
1854
1855 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1856
1857         PR rtl-optimization/29841
1858         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1859         trap instructions.
1860         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1861         that may cause control flow transfer from being moved.
1862
1863 2007-04-18  Jan Hubicka  <jh@suse.cz>
1864
1865         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1866         types.
1867
1868 2007-04-18  Eric Christopher  <echristo@apple.com>
1869
1870         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1871         only. Update operands.
1872         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1873         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1874         link register to pic register.
1875
1876 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1877
1878         PR diagnostic/31227
1879         * tree-vrp.c (search_for_addr_array): New.
1880         (check_array_bounds): Suppress warning about
1881         address taken of array refs if its not de-referenced.
1882
1883 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1884
1885         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1886         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1887
1888         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1889         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1890         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1891
1892         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1893         dump print.
1894         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1895         print message.
1896         (vect_analyze_scalar_cycles): Fix indentation.
1897         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1898         (vect_mark_relevant): Include phis in relevance analysis.
1899
1900         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1901
1902 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1903
1904         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1905         output_operand_lossage().
1906
1907 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1908
1909         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1910         the unused code for reduction without adjust-in-epilog to simplify the
1911         function.
1912
1913 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1914
1915         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1916         (S390_TDC_NEGATIVE_ZERO): New constant.
1917         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1918         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1919         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1920         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1921         (S390_TDC_POSITIVE_INFINITY): New constant.
1922         (S390_TDC_NEGATIVE_INFINITY): New constant.
1923         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1924         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1925         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1926         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1927         (S390_TDC_INFINITY): New constant.
1928         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1929         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1930         optimization for UNSPEC_CCZ_TO_INT.
1931         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1932         ("*ccz_to_int"): New insn.
1933         ("isinf<mode>2"): New insn.
1934         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1935         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1936         (UNSPEC_CCZ_TO_INT): New constant.
1937
1938 2007-04-18  Richard Guenther  <rguenther@suse.de>
1939
1940         PR tree-optimization/19431
1941         PR tree-optimization/21463
1942         * tree-pass.h (pass_phiprop): Declare.
1943         * passes.c (init_optimization_passes): New phiprop pass.
1944         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1945         (phivn_valid_p): New helper function.
1946         (phiprop_insert_phi): Likewise.
1947         (propagate_with_phi): Likewise.
1948         (tree_ssa_phiprop): New propagator propagating loads
1949         through phi nodes if profitable.
1950
1951 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1952
1953         * tree-vect-analyze.c (process_use): New function.
1954         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1955         Check phis in all bbs.
1956         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1957         assert.
1958
1959 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1960
1961         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1962         we use REG_EQUAL.
1963
1964 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1965
1966         PR target/30483
1967         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1968         error().
1969
1970 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1971
1972         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1973         on "0".
1974         (sse_vmmulv4sf3): Likewise.
1975         (sse2_vmaddv2df3): Likewise.
1976         (sse2_vmmulv2df3): Likewise.
1977
1978 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1979
1980         PR rtl-optimization/31360
1981         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1982         (target_reg_cost): New.
1983         (init_set_costs): Initialize target_reg_cost.  Add comments
1984         regarding the rationale of the costs.
1985         (global_cost_for_size): Renamed to...
1986         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1987         of register pressure.
1988         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1989         estimate_reg_pressure_cost.  Add number of ivs.
1990         (determine_set_costs): Dump target_reg_cost.
1991         * loop-invariant.c (gain_for_invariant):  Use
1992         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1993         (best_gain_for_invariant, find_invariants_to_move): Remove
1994         n_inv_uses.
1995         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1996         (target_reg_cost): Declare.
1997         (global_cost_for_size): Declaration removed.
1998         (estimate_reg_pressure_cost): Declare.
1999
2000 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
2001
2002         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2003         regnos into even/odd register pairs.
2004         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2005         TDmode similar to the other floating point modes.
2006         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2007         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2008         define_expand's.
2009         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2010         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2011         (movdd_hardfloat64): Use TARGET_MFPGPR.
2012
2013 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2014
2015         * reload1.c (delete_output_reload): Don't count output in n_inherited.
2016
2017         Revert
2018         2005-01-05  Richard Henderson  <rth@redhat.com>
2019         PR rtl-opt/10692
2020         * reload1.c (do_input_reload): Restrict the optimization deleteing
2021         a previous output reload to RELOAD_FOR_INPUT.
2022
2023 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
2024
2025         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2026         induc_vec_info_type.
2027         (vectorizable_induction): New function declaration.
2028         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2029         check if already vectorized.  Find first place in BB where new stmts
2030         can be inserted.  Takes only one argument.
2031         (vectorizable_induction): New function.
2032         (vect_transform_stmt): Add case for induc_vec_info_type to call
2033         vectorizable_induction.
2034         (vect_transform_loop): Consider phis for vectorization.
2035         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2036         condition.
2037         (analyze_operations): Call vectorizable_induction when analyzing phis.
2038         Fix comment.
2039         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2040         (vect_mark_relevant): Include phis in relevance analysis.
2041         (vect_mark_stmts_to_be_vectorize): Likewise.
2042         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2043
2044 2007-04-16  Lawrence Crowl  <crowl@google.com>
2045
2046         * doc/invoke.texi (Debugging Options): Add documentation for the
2047         -femit-struct-debug options -femit-struct-debug-baseonly,
2048         -femit-struct-debug-reduced, and
2049         -femit-struct-debug-detailed[=...].
2050
2051         * c-opts.c (c_common_handle_option): Add
2052         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2053         and OPT_femit_struct_debug_detailed_.
2054         * c.opt: Add specifications for
2055         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2056         and -femit-struct-debug-detailed[=...].
2057         * opts.c (set_struct_debug_option): Parse the
2058         -femit-struct-debug-... options.
2059         * opts.c (matches_main_base, main_input_basename,
2060         main_input_baselength, base_of_path, matches_main_base): Add
2061         variables and functions to compare header base name to compilation
2062         unit base name.
2063         * opts.c (should_emit_struct_debug): Add to determine to emit a
2064         structure based on the option.
2065         (dump_struct_debug) Also disabled function to debug this
2066         function.
2067         * opts.c (handle_options): Save the base name of the
2068         compilation unit.
2069
2070         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2071         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2072         This hook indicates if a type is generic.  Set it by default
2073         to "never generic".
2074         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2075         to determine if a struct type is generic or not.
2076         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2077         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2078         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2079         with live C++ hook.
2080
2081         * flags.h (enum debug_info_usage): Add an enumeration to describe
2082         a program's use of a structure type.
2083         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2084         to indicate the program's usage of the type.  Filter structs based
2085         on the -femit-struct-debug-... specification.
2086         (gen_type_die): Split into two routines, gen_type_die and
2087         gen_type_die_with_usage.  gen_type_die is now a wrapper
2088         that assumes direct usage.
2089         (gen_type_die_with_usage): Replace calls to gen_type_die
2090         with gen_type_die_with_usage adding the program usage of
2091         the referenced type.
2092         (dwarf2out_imported_module_or_decl): Suppress struct debug
2093         information using should_emit_struct_debug when appropriate.
2094
2095 2007-04-16  Ian Lance Taylor  <iant@google.com>
2096
2097         PR tree-optimization/31522
2098         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2099         (vrp_initialize): Allocate vr_phi_edge_counts.
2100         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2101         executable edge.  Drop test for all constants.
2102         (vrp_finalize): Free vrp_phi_edge_counts.
2103
2104         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2105         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2106
2107         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2108         predecessors at head rather than tail.
2109
2110 2007-04-16  Matthias Klose  <doko@debian.org>
2111
2112         * config/alpha/linux.h (CPP_SPEC): Define.
2113         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2114
2115 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2116
2117         * function.h: Remove sequence_stack extern declaration.
2118
2119 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2120
2121         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2122         TARGET_FIDOA.
2123         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2124         defined.
2125
2126 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2127
2128         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2129         (enum avr_arch): Add.
2130         (avr_mcu_types): Use avr_arch enumeration constants instead of
2131         numbers.
2132         * config/avr/avr.h (LINK_SPEC): Simplify.
2133
2134 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2135
2136         * config/m68k/m68k.c (m68k_libcall_value,
2137         m68k_function_value): Use macros for register names more.
2138
2139         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2140         instead.
2141         (M68K_REGNAME): Use A6_REG.
2142         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2143
2144 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2145
2146         PR middle-end/28071
2147         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2148         'pending_read_list_length' and 'pending_write_list_length'.  Update
2149         comment.
2150         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2151         to handle two length counters instead of one.  Update all uses.
2152         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2153         two length counters instead of one.
2154         * sched-rgn.c (propagate_deps): Update to handle two length counters
2155         instead of one.
2156
2157 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2158
2159         PR target/31582
2160         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2161         copy of source, pass it to ix86_expand_vector_set and return
2162         it as target.
2163
2164 2007-04-16  David Ung  <davidu@mips.com>
2165             Joseph Myers  <joseph@codesourcery.com>
2166
2167         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2168         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2169         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2170         Add 74K processor information.
2171         * config/mips/mips.md: Include 74k.md.
2172         (cpu): Add 74kc,74kf,74kx.
2173         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2174         * config/mips/74k.md: New.
2175         * doc/invoke.texi (MIPS Options): Document 74K support.
2176
2177 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2178
2179         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2180         vectorizable_* functions.
2181         * tree-vect-transform.c (vectorizable_call): Add check for
2182         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2183         (vectorizable_store): likewise.
2184         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2185         Add comments.
2186         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2187         (vectorizable_type_promotion, vectorizable_load): Likewise.
2188         (vectorizable_live_operation, vectorizable_condition): Likewise.
2189         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2190         STMT_VINFO_LIVE_P.
2191         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2192
2193 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2194
2195         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2196         register numbers more.
2197         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2198         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2199         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2200         FUNCTION_VALUE_REGNO_P): Likewise.
2201         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2202         STATIC_CHAIN_REGNUM): Likewise.
2203         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2204         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2205         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2206         * config/m68k/m68k.md (FP_REG): New.
2207
2208 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2209
2210         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2211         alignment on fido.
2212
2213 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2214
2215         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2216         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2217         comment typos.
2218
2219 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2220
2221         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2222         cold loops.
2223
2224 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2225
2226         PR c/31520
2227         * c-decl.c (finish_decl): Grab the type of the decl after the call
2228         to store_init_value.
2229
2230 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2231
2232         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2233
2234 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2235
2236         PR c++/25874
2237         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2238         post dominators and cleanup cfg before returning.
2239
2240 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2241
2242         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2243         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2244
2245 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2246
2247         * config.gcc: Recognize fido.
2248         * config/m68k/m68k-devices.def (fidoa): New.
2249         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2250         __mfido__.
2251         (FL_FIDOA, TARGET_FIDOA): New.
2252         * config/m68k/m68k.opt (mfidoa): New.
2253
2254 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2255
2256         PR middle-end/31322
2257         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2258         when a personality function is used.
2259
2260 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2261
2262         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2263
2264 2007-04-13  Mike Stump  <mrs@apple.com>
2265
2266         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2267         we can...
2268         * config/darwin.opt (fapple-kext): Make C++ only.
2269         * config/darwin.c (darwin_override_options): Remove code to ensure
2270         -fapple-kext is given for C++ only.
2271
2272 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2273
2274         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2275         * config/mips/mips.c (override_options): Call
2276         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2277
2278 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2279
2280         * config/i386/i386.opt (msvr3-shlib): Removed.
2281
2282         * doc/invoke.texi: Remove -msvr3-shlib.
2283
2284 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2285
2286         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2287         with "popcnt" instruction.
2288
2289 2007-04-13  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/21258
2292         * tree-vrp.c (compare_case_labels): New helper.
2293         (find_switch_asserts): New function.
2294         (find_assert_locations): Call it for SWITCH_EXPRs.
2295
2296 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2297
2298         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2299         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2300         check is now implied in X87_FLOAT_MODE_P.
2301         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2302         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2303         (fix_trunc<mode>_i386_fisttp): Ditto.
2304         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2305         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2306         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2307         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2308         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2309         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2310         (unnamed_splitters): Ditto.
2311         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2312         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2313         FIRST_SSE_REG for local functions when SSE math is enabled or
2314         for functions with sseregparm attribute.
2315         (standard_80387_constant_p): Return -1 if mode is not
2316         X87_FLOAT_MODE_P.
2317         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2318         (ix86_expand_compare): Ditto.
2319         (ix86_expand_carry_flag_compare): Ditto.
2320         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2321         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2322         DECIMAL_FLOAT_MODE_P.
2323         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2324         of SCALAR_FLOAT_MODE_P.
2325         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2326         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2327         checks before FLOAT_MODE_P.
2328         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2329         before FLOAT_MODE_P.
2330         [DIV]: Ditto.
2331         [NEG]: Ditto.
2332         [ABS]: Ditto.
2333         [SQRT]: Ditto.
2334         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2335
2336 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2337             Charles Wilson  <libtool@cwilson.fastmail.fm>
2338
2339         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2340         (libgcc.mvars): Don't depend on them.
2341         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2342         * exec-tool.in: New.
2343
2344 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2345
2346         * doc/invoke.text (--help): Document --help=common.
2347
2348 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2349
2350         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2351
2352 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2353
2354         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2355         * genemit.c (main): Emit #include "integrate.h".
2356         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2357         (LOADGP_RTP): New mips_loadgp_style.
2358         * config/mips/mips.h: Include config/vxworks-dummy.h.
2359         (TARGET_RTP_PIC): New macro.
2360         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2361         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2362         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2363         for TARGET_RTP_PIC.
2364         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2365         -mvxworks-pic when using -mrtp and a PIC option.
2366         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2367         for RTP PIC.
2368         (mips_symbolic_constant_p, mips_symbolic_address_p)
2369         (mips_symbol_insns): Handle SYMBOL_HALF.
2370         (override_options): Warn about -G and -mrtp being used together.
2371         Initialize mips_lo_relocs[SYMBOL_HALF].
2372         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2373         (mips_emit_loadgp): Handle LOADGP_RTP.
2374         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2375         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2376         (tablejump): Handle function-relative case table entries if
2377         TARGET_RTP_PIC.
2378         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2379
2380 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2381
2382         * config/mips/mips.md (load_call<mode>): Allow any general register.
2383         destination.
2384         (sibcall_value_internal, sibcall_value_multiple_internal)
2385         (call_value_internal, call_value_split, call_value_multiple_internal)
2386         (call_value_multiple_split): Remove constraints from operand 0.
2387
2388 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2389
2390         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2391         rather than loadgp_noshared.
2392         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2393         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2394         gen_loadgp.
2395         * config/mips/mips.md (loadgp): Rename to...
2396         (loadgp_newabi): ...this.
2397         (loadgp_noshared): Rename to...
2398         (loadgp_absolute): ...this.
2399
2400 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2401
2402         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2403         false for locally-binding symbols.
2404         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2405
2406 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2407
2408         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2409         (SYMBOL_GOT_PAGE_OFST): ...this.
2410         (SYMBOL_GOT_GLOBAL): Rename to...
2411         (SYMBOL_GOT_DISP): ...this.
2412         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2413         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2414         * config/mips/mips.c (mips_global_symbol_p): New function.
2415         (mips_symbol_binds_local_p): Likewise.
2416         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2417         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2418         and mips_symbol_binds_local_p.
2419         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2420         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2421         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2422         SYMBOL_GOTOFF_DISP.
2423         (mips_ok_for_lazy_binding_p): New function.
2424         (mips_load_call_address, mips_expand_call): Use it.
2425         (mips_dangerous_for_la25_p): Likewise.
2426         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2427         (*got_disp<mode>): Use got_disp_operand instead of
2428         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2429         SYMBOL_GOTOFF_GLOBAL.
2430         (*got_page<mode>): Use got_page_ofst_operand instead of
2431         local_got_operand.
2432         * config/mips/predicates.md (const_call_insn_operand): Use
2433         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2434         (global_got_operand): Rename to...
2435         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2436         SYMBOL_GOT_GLOBAL.
2437         (local_got_operand): Rename to...
2438         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2439         of SYMBOL_GOT_LOCAL.
2440
2441 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2442
2443         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2444         TARGET_CALL_CLOBBERED_GP.
2445         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2446         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2447         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2448         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2449         of TARGET_ABICALLS && !TARGET_NEWABI.
2450         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2451         * config/mips/mips.c (mips_load_call_address): Check
2452         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2453         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2454         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2455         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2456         TARGET_ABICALLS && TARGET_NEWABI.
2457         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2458         TARGET_ABICALLS.
2459         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2460         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2461         TARGET_ABICALLS && TARGET_NEWABI.
2462         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2463         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2464         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2465         whether indirect calls must use $25.
2466         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2467         TARGET_ABICALLS.
2468         * config/mips/mips.md (jal_macro): Check flag_pic and
2469         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2470         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2471         instead of TARGET_ABICALLS.
2472         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2473         TARGET_ABICALLS && TARGET_OLDABI.
2474         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2475         (sibcall): In the comment above the define_insn, mention
2476         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2477         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2478         instead of TARGET_ABICALLS.
2479
2480 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2481
2482         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2483         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2484         (MACFLAGS_MATCH_P): New macro.
2485         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2486         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2487         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2488         the other MACFLAG constants.
2489         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2490         (flag_machi): Tighten constraints.  Renumber some of the operands.
2491         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2492         output template.
2493         (flag_machi_parts_acconly): New pattern.
2494         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2495         used.
2496         (flag_macinit1hi): Tighten constraints.
2497         (flag_mul_macv2hi_parts_acconly): New pattern.
2498
2499         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2500         Use a more efficient implementation.
2501         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2502         inline sequences when not optimizing for size.
2503
2504         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2505         movhi_high2low): Delete, merge functionality into...
2506         (packv2hi): ... this pattern.
2507
2508         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2509         * config/bfin/bfin.opt (msim): New option.
2510         (mcpu=): New option.
2511         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2512         (bfin_cpu_t): Typedef of enum bfin_cpu.
2513         (bfin_cpu_type): New declaration.
2514         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2515         -msim and -mcpu= options.
2516         (LIB_SPEC): Likewise.
2517         * config/bfin/bfin.c (bfin_cpu_type): Define.
2518         (bfin_handle_option): Handle -mcpu= option.
2519         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2520         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2521         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2522
2523 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2524
2525         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2526         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2527         (powerpc-wrs-vxworksae): Use ${tm_file}.
2528         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2529         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2530         * config/i386/vx-common.h: New file.
2531
2532 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2533
2534         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2535         of crt0.o%s.
2536
2537 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2538
2539         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2540         ldxtr.
2541
2542 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2543
2544         PR c++/31078
2545         PR c++/31103
2546         * c-common.c (c_build_qualified_type): Set canonical type
2547         appropriately.
2548
2549 2007-04-12  Richard Guenther  <rguenther@suse.de>
2550
2551         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2552         lower bound and element size if lower bound is not zero
2553         or either of the ARRAY_REF operands is set.
2554
2555 2007-04-12  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/24689
2558         PR tree-optimization/31307
2559         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2560         indices by value.
2561         * gimplify.c (canonicalize_addr_expr): To be consistent with
2562         gimplify_compound_lval only set operands two and three of
2563         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2564         it never at this place.
2565         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2566
2567 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2568
2569         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2570         null before emitting a .nsubspa directive.
2571
2572 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2573
2574         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2575         need_to_partition_p if there are no memory statements in the
2576         function.
2577
2578 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2579
2580         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2581         (gcd_of_steps_may_divide_p): New function.
2582         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2583
2584 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2585
2586         * reload.c (find_reloads_toplev, find_reloads_address,
2587         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2588         not a pointer equality test, to decide if we need to call
2589         push_reg_equiv_alt_mem.
2590
2591 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2592
2593         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2594         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2595         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2596
2597 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2598
2599         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2600         vector to be positive.
2601
2602 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2603
2604         PR 30735
2605         PR 31090
2606         * doc/invoke.texi: Document --params max-aliased-vops and
2607         avg-aliased-vops.
2608         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2609         debug_memory_partitions): Move to tree-flow.h
2610         * params.h (AVG_ALIASED_VOPS): Define.
2611         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2612         users.
2613         (mp_info_t): Likewise.
2614         (get_mem_sym_stats_for): New.
2615         (set_memory_partition): Move from tree-flow-inline.h.
2616         (mark_non_addressable): Only clear the set of symbols for the
2617         partition if it exists.
2618         (dump_memory_partitions): Move from tree-ssa-operands.c
2619         (debug_memory_partitions): Likewise.
2620         (need_to_partition_p): New.
2621         (dump_mem_ref_stats): New.
2622         (debug_mem_ref_stats): New.
2623         (dump_mem_sym_stats): New.
2624         (debug_mem_sym_stats): New.
2625         (update_mem_sym_stats_from_stmt): New.
2626         (compare_mp_info_entries): New.
2627         (mp_info_cmp): Call it.
2628         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2629         objects.
2630         (get_mpt_for): Move from tree-ssa-operands.c.
2631         (find_partition_for): New.
2632         (create_partition_for): Remove.
2633         (estimate_vop_reduction): New.
2634         (update_reference_counts): New.
2635         (build_mp_info): New.
2636         (compute_memory_partitions): Refactor.
2637         Document new heuristic.
2638         Call build_mp_info, update_reference_counts,
2639         find_partition_for and estimate_vop_reduction.
2640         (compute_may_aliases): Populate virtual operands before
2641         calling debugging dumps.
2642         (delete_mem_sym_stats): New.
2643         (delete_mem_ref_stats): New.
2644         (init_mem_ref_stats): New.
2645         (init_alias_info): Call it.
2646         (maybe_create_global_var): Remove alias_info argument.
2647         Get number of call sites and number of pure/const call sites
2648         from gimple_mem_ref_stats().
2649         (dump_alias_info): Call dump_memory_partitions first.
2650         (dump_points_to_info_for): Show how many times a pointer has
2651         been dereferenced.
2652         * opts.c (decode_options): For -O2 set --param
2653         max-aliased-vops to 500.
2654         For -O3 set --param max-aliased-vops to 1000 and --param
2655         avg-aliased-vops to 3.
2656         * fortran/options.c (gfc_init_options): Remove assignment to
2657         MAX_ALIASED_VOPS.
2658         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2659         * tree-dfa.c (dump_variable): Dump memory reference
2660         statistics.
2661         Dump NO_ALIAS* settings.
2662         (referenced_var_lookup): Tidy.
2663         (mem_sym_stats): New.
2664         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2665         and ORIG are different SSA names for a memory partition.
2666         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2667         * tree-flow.h (struct mem_sym_stats_d): Define.
2668         (mem_sym_stats_t): Define.
2669         (struct mem_ref_stats_d): Define.
2670         (struct gimple_df): Add field mem_ref_stats.
2671         (enum noalias_state): Define.
2672         (struct var_ann_d): Add bitfield noalias_state.
2673         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2674         debug_mem_ref_stats, debug_memory_partitions,
2675         debug_mem_sym_stats): Declare.
2676         * tree-ssa-structalias.c (update_alias_info): Update call
2677         sites, pure/const call sites and asm sites in structure
2678         returned by gimple_mem_ref_stats.
2679         Remove local variable IS_POTENTIAL_DEREF.
2680         Increase NUM_DEREFS if the memory expression is a potential
2681         dereference.
2682         Call update_mem_sym_stats_from_stmt.
2683         If the memory references memory, call
2684         update_mem_sym_stats_from_stmt for all the direct memory
2685         symbol references found.
2686         (intra_create_variable_infos): Set noalias_state field for
2687         pointer arguments according to the value of
2688         flag_argument_noalias.
2689         * tree-ssa-structalias.h (struct alias_info): Remove fields
2690         num_calls_found and num_pure_const_calls_found.
2691         (update_mem_sym_stats_from_stmt): Declare.
2692         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2693         Set default value to 100.
2694         (PARAM_AVG_ALIASED_VOPS): Define.
2695
2696 2007-04-11  Richard Guenther  <rguenther@suse.de>
2697
2698         PR middle-end/31530
2699         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2700         a * -b + c as c - a * b if we honor sign dependent rounding.
2701
2702 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2703
2704         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2705         bfin_expand_strmov.
2706         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2707         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2708         variables.
2709         (initialize_trampoline): Don't use old-style function definition.
2710         (bfin_secondary_reload): Mark IN_P argument as unused.
2711
2712 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2713
2714         PR tree-optimization/31343
2715         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2716         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2717         * testsuite/gcc.dg/vect/pr31343.c: New.
2718
2719 2007-04-10  Eric Christopher  <echristo@apple.com>
2720
2721         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2722         * config/i386/i386.md (*cmpfp0): Use.
2723         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2724         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2725         (fix_trunc<mode>_i386_fisttp): Ditto.
2726         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2727         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2728         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2729         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2730         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2731         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2732         (unnamed_splitters): Ditto.
2733         * config/i386/i386.c (output_fix_trunc): Assert that
2734         we're not being passed a TFmode operand.
2735
2736 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2737
2738         PR tree-optimization/31526
2739         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2740         n_basic_blocks to find newly added blocks.
2741
2742 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2745         alternative.
2746         (fix_trunc<mode>si_sse): Ditto.
2747         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2748         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2749         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2750         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2751         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2752         expander using SSEMODEF mode macro.
2753         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2754         expander using SSEMODEF mode macro.
2755         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2756         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2757         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2758         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2759         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2760         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2761         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2762         Macroize insn using X87MODEF mode macro.
2763
2764 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2765
2766         * config/i386/sse.md (sse2_pinsrw): Removed.
2767         (sse2_pextrw): Renamed to ...
2768         (*sse2_pextrw): This.
2769
2770 2007-04-09  Jan Hubicka  <jh@suse.cz>
2771
2772         PR target/27869
2773         * config/i386/sse.md
2774         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2775         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2776         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2777         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2778
2779 2007-04-09  Jan Hubicka  <jh@suse.cz>
2780
2781         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2782         multiple fields of union.
2783
2784 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2785
2786         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2787         (create_preheaders): Check that loops are available.
2788         (fix_loop_structure): Clean up, improve comments.
2789         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2790         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2791         state flags.
2792         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2793         * predict.c (tree_estimate_probability): Do not call
2794         calculate_dominance_info.  Call create_preheaders.
2795         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2796         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2797         flags.
2798         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2799         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2800         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2801         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2802         arguments.
2803
2804 2007-04-08  Jan Hubicka  <jh@suse.cz>
2805
2806         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2807         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2808         * fold-const.c (fold_unary): Use it.
2809
2810 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2811
2812         * varasm.c (assemble_variable): Remove call to
2813         lang_hooks.decls.prepare_assemble_variable.
2814         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2815         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2816         * langhooks.h (lang_hooks_for_decls): Remove
2817         prepare_assemble_variable.
2818
2819 2007-04-08  Mike Stump  <mrs@apple.com>
2820
2821         * config/i386/i386.c: Use inc/dec on Core2.
2822
2823 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2824
2825         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2826         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2827         lhd_tree_inlining_end_inlining): Remove.
2828         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2829         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2830         end_inlining hooks.
2831         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2832         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2833         lhd_tree_inlining_end_inlining): Remove prototypes.
2834         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2835         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2836         LANG_HOOKS_TREE_INLINING_START_INLINING,
2837         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2838
2839         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2840         not set it.
2841
2842 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2843
2844         PR target/29932
2845         * config/avr/predicates.md (io_address_operand): Delete predicate.
2846         (low_io_address_operand): Don't use 'mode' argument.
2847         (higth_io_address_operand): Rename ...
2848         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2849         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2850         for above change.
2851
2852 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2853
2854         Revert change removing staticp.
2855
2856 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2857
2858         PR target/30289
2859         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2860         earlyclobber.
2861
2862 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2863
2864         * c.opt: Add -Wformat-contains-nul.
2865         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2866           -Wformat setting.
2867         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2868         the NUL byte warning.
2869
2870 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2871
2872         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2873
2874 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2875
2876         * tree.c (staticp): No longer use staticp langhook.
2877         * langhooks.c (lhd_staticp): Removed.
2878         * langhooks.h (struct lang_hooks): Remove staticp.
2879         * c-common.c (c_staticp): Remove.
2880         * c-common.h (c_staticp): Ditto.
2881         * langhooks-defs.h (lhd_staticp): Ditto.
2882         (LHD_HOOKS_STATICP): Ditto
2883         * tree.h (gcc_assert_lowered): New macro.
2884
2885 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2886
2887         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2888         argument "reliable".
2889         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2890         Add argument "reliable".  Propagate it through calls.
2891         (infer_loop_bounds_from_undefined):  Derive number of iterations
2892         estimates from references in blocks that do not dominate loop latch.
2893         (gcov_type_to_double_int): New function.
2894         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2895         and expected_loop_iterations_unbounded.
2896         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2897         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2898         * tree-data-ref.c (estimated_loop_iterations): Export.
2899         (get_references_in_stmt): Fix -- do not return addresses of local
2900         objects.
2901         * cfgloop.h (expected_loop_iterations_unbounded,
2902         estimated_loop_iterations): Declare.
2903
2904 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2905
2906         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2907
2908 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2911         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2912         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2913         Use output_387_reg_move().
2914         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2915         expander using X87MODEF12 mode macro.
2916         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2917         choosing register preferences.  Use output_387_reg_move().
2918         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2919         instead of "x".  Use output_387_reg_move().
2920         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2921         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2922         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2923         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2924         Use output_387_reg_move().
2925         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2926         mode macro.
2927         (*truncxf?f_i387 splitter): Ditto.
2928
2929 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2930
2931         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2932         LANG_HOOKS_SAFE_FROM_P.
2933         * expr.c (safe_from_p): Remove langhook call.
2934         * langhooks.h (lang_hooks): Remove safe_from_p.
2935         (lhd_safe_from_p): Remove prototype.
2936         * langhooks.c (lhd_safe_from_p): Remove.
2937
2938 2007-04-06  Jan Hubicka  <jh@suse.cz>
2939
2940         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2941         functions.
2942
2943 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2944
2945         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2946         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2947         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2948         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2949         alternative.
2950         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2951         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2952
2953 2007-04-05  Richard Henderson  <rth@redhat.com>
2954
2955         * config/alpha/alpha.c (print_operand) [+]: Remove.
2956         (alpha_end_function): Print nop if call at end of function.
2957         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2958         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2959         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2960         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2961         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2962         the call pattern. Update peepholes to match.
2963
2964 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2965
2966         * doc/extend.texi (Other Builtins): Add decimal float variants
2967         of signbit.
2968         * builtins.def: Ditto.
2969         * builtins.c (expand_builtin): Ditto.
2970
2971 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2972             H.J. Lu  <hongjiu.lu@intel.com>
2973
2974         PR target/31478
2975         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2976         of V8HImode when calling ix86_binary_operator_ok.
2977         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2978         (sdot_prodv8hi): Operands 1 and 2 must be register.
2979
2980 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2981
2982         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2983         initialize align to silence bogus warning.
2984
2985 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2986
2987         PR middle-end/22156
2988         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2989         all_no_warning.
2990         (struct sra_walk_fns): Remove use_all parameter from use.
2991         (sra_hash_tree): Handle BIT_FIELD_REFs.
2992         (sra_elt_hash): Don't hash bitfld blocks.
2993         (sra_elt_eq): Skip them in parent compares as well.  Handle
2994         BIT_FIELD_REFs.
2995         (sra_walk_expr): Don't maintain or pass down use_all_p.
2996         (scan_use): Remove use_all parameter.
2997         (scalarize_use): Likewise.  Re-expand assignment to
2998         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2999         output, and re-scalarize after output.  Don't mark anything
3000         for no warning.
3001         (scalarize_ldst): Adjust.
3002         (scalarize_walk_gimple_modify_statement): Likewise.
3003         (build_element_name_1): Handle BIT_FIELD_REFs.
3004         (instantiate_element): Don't warn for any element whose parent
3005         is used as a whole.
3006         (instantiate_missing_elements_1): Return the sra_elt.
3007         (canon_type_for_field): New.
3008         (try_instantiate_multiple_fields): New.
3009         (instantiate_missing_elemnts): Use them.
3010         (mark_no_warning): Removed.
3011         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3012         (REPLDUP, sra_build_elt_assignment): New.
3013         (generate_copy_inout): Use them.
3014         (generate_element_copy): Likewise.  Handle bitfld differences.
3015         (generate_element_zero): Don't recurse for blocks.  Use
3016         sra_build_elt_assignment.
3017         (generate_one_element_int): Take elt instead of var.  Use
3018         sra_build_elt_assignment.
3019         (generate_element_init_1): Adjust.
3020         (scalarize_use, scalarize_copy): Use REPLDUP.
3021         (scalarize_ldst): Move assert before dereference.
3022         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3023
3024 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3025
3026         * regmove.c: Fix unused variable warnings due to previous commit.
3027
3028 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3029
3030         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3031         (regmove_bb_head): Remove.
3032         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3033         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3034         problems with fixup_match_1.
3035         Don't initialize/free regmove_bb_head.
3036
3037         (reg_is_remote_constant_p): If an insn is in the same basic block
3038         but not before INSN, consider it remote, too.
3039
3040 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3041
3042         PR target/25448
3043         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3044         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3045
3046 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3047
3048         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3049         (CONDITIONAL_REGISTER_USAGE): Likewise.
3050
3051 2007-04-04  Richard Henderson  <rth@redhat.com>
3052
3053         * config/alpha/lib1funcs.asm: Remove unused file.
3054
3055 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3056
3057         PR other/31356
3058         * opts.c (print_specific_help): Fix --help=<language>
3059         header line.
3060         (common_handle_option): Support --help=common.
3061
3062 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3063
3064         PR other/31353
3065         * gcc.c (main): Do not run the linker if
3066         print_subprocess_help indicates that it shouldn't be
3067         run.
3068
3069 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3070
3071         PR doc/31355
3072         * doc/invoke.texi (--help=): Document <languages> value, fix
3073         formatting in tables of values.
3074
3075 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3076
3077         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3078         dllimport attribute of virtual methods.
3079
3080 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3081
3082         * config/score/crti.asm: Change _bss_start to __bss_start.
3083         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3084         (OUTGOING_REG_PARM_STACK_SPACE) update.
3085         * config/score/score.opt: add options to make backend support
3086         score5, score5u, score7 and score7d.
3087         * config/score/score.md: Likewise.
3088         * config/score/misc.md: Likewise.
3089         * config/score/mac.md: Likewise.
3090         * doc/invoke.texi: Likewise.
3091         * doc/md.texi: update constraints define.
3092
3093 2007-04-03  Richard Henderson  <rth@redhat.com>
3094
3095         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3096         an appropriate type, use the mode instead.
3097
3098 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3099
3100         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3101         Set the default --with-arch setting to mips2.
3102         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3103         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3104         (MULTILIB_OSDIRNAMES): Delete.
3105         (MULTILIB_DIRNAMES): Define.
3106         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3107         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3108         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3109         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3110         VXWORKS_OS_CPP_BUILTINS.
3111         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3112         (MIPS_DEBUGGING_INFO): Undefine.
3113         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3114
3115 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR middle-end/30704
3118         * fold-const.c (native_encode_real): Encode real.c provided longs
3119         as a series of 32-bit native integers.
3120         (native_interpret_real): Interpret buffer as a series of 32-bit
3121         native integers.
3122
3123 2007-04-03  Richard Guenther  <rguenther@suse.de>
3124
3125         * genpreds.c (write_insn_constraint_len): Write function
3126         optimized for CONSTRAINT_LEN implementation.
3127         (write_tm_preds_h): Output insn_constraint_len inline and
3128         use it for CONSTRAINT_LEN.
3129         (write_insn_preds_c): Don't output insn_constraint_len.
3130         * doc/md.texi (define_register_constraint): Document multi-letter
3131         constraints shall have the same length if they start with the same
3132         letter.
3133
3134 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3135
3136         PR target/31175
3137         * config/i386/i386.md (isinf<mode>2): Expand only when
3138         TARGET_C99_FUNCTIONS is set.
3139
3140 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3141
3142         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3143         (x86_64-*-linux*): Ditto.
3144         * config/i386/i386.opt (mpc): New option.
3145         * config/i386/i386.c (overrride_options): Handle
3146         ix87_precision_string.
3147         * config/i386/crtprec.c: New file.
3148         * config/i386/t-crtpc: Ditto.
3149         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3150         and -mpc80 options.
3151         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3152         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3153         crtprec32.o, crtprec64.o and crtprec80.o.
3154
3155         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3156         and -mpc80 options.
3157         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3158
3159 2007-04-02  Eric Christopher  <echristo@apple.com>
3160
3161         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3162         limitations on darwin.
3163
3164 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3165
3166         PR target/31137
3167         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3168
3169 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3170
3171         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3172
3173 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3174
3175         * libgcc2.h (exception_descriptor): Don't forward-declare.
3176         (__get_eh_table_language, __get_eh_table_version): Delete
3177         prototypes of long-dead functions.
3178
3179 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3180
3181         * ebitmap.h: New file
3182         * ebitmap.c: New file
3183         * Makefile.in (ebitmap.o): New target.
3184
3185 2007-04-01  Jan Hubicka  <jh@suse.cz>
3186
3187         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3188         before very first instruction.
3189
3190 2007-04-01  Jan Hubicka  <jh@suse.cz>
3191
3192         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3193         waring on 64bit hosts.
3194         * bitmap.h: Fix typo in bitmap_head_def.
3195
3196 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3197
3198         PR rtl-optimization/31391
3199         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3200         into a DELETED_LABEL note, and the label is in an empty basic
3201         block, update BB_END as well as BB_HEAD.
3202
3203 2007-04-01  Richard Henderson  <rth@redhat.com>
3204
3205         PR tree-optimization/31169
3206         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3207         to varying if the range is outside [0,  prec-1].
3208
3209 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3210
3211         PR target/31388
3212         * config/mips/mips.md (load_const_gp): New insn.
3213         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3214         the MIPS16 GP pseudo register if no_new_pseudos.
3215         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3216
3217 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3218
3219         PR target/31364
3220         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3221         secureplt.
3222         (call_value): Likewise.
3223
3224 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3225             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3226
3227         PR 14737
3228         * doc/invoke.texi: (optimization options): Reword description
3229         of -ffast-math. Document its primary purpose.
3230
3231 2007-03-31  Richard Guenther  <rguenther@suse.de>
3232
3233         * omp-low.c (splay-tree.h): Include.
3234         (lookup_decl): Replace splay-tree usage by pointer-map.
3235         (maybe_lookup_decl): Likewise.
3236         (new_omp_context): Likewise.
3237         (delete_omp_context): Likewise.
3238         * gimplify.c (splay-tree.h): Include.
3239         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3240         pointer-map.
3241         (remap_ssa_name): Likewise.
3242         (remap_decl): Likewise.
3243         (remap_type_1): Likewise.
3244         (remap_type): Likewise.
3245         (copy_body_r): Likewise.
3246         (expand_call_inline): Likewise.
3247         (clone_body): Likewise.
3248         (copy_tree_r): Likewise.
3249         (remap_save_expr): Likewise.
3250         (unsave_r): Likewise.
3251         (unsave_expr_now): Likewise.
3252         (tree_function_versioning): Likewise.
3253         (build_duplicate_type): Likewise.
3254         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3255         (struct copy_body_data): Replace splay-tree by pointer-map.
3256         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3257         not $(SPLAY_TREE_H).
3258         (gimplify.o): Depend on $(SPLAY_TREE_H).
3259         (omp-low.p): Likewise.
3260
3261 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3262
3263         * config/avr/predicates.md (even_register_operand,
3264         odd_register_operand): New predicates.
3265         * config/avr/avr.md (movw peephole2): New.
3266         (movw_r peephole2): New.
3267
3268 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3269
3270         * tree.h (get_signed_or_unsigned_type): New.
3271         * fold-const.c (operand_equal_for_comparison_p): Use
3272         get_signed_or_unsigned_type instead of
3273         lang_hooks.types.signed_or_unsigned_type.
3274         * expr.c (store_expr): Ditto.
3275         * langhooks.c (get_signed_or_unsigned_type): New.
3276         (lhd_signed_or_unsigned_type): New.
3277         * langhooks.h (lhd_signed_or_unsigned_type): New.
3278         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3279
3280 2007-03-30  Richard Henderson  <rth@redhat.com>
3281
3282         * tree-ssa-loop-ivopts.c: Include target.h.
3283         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3284         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3285         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3286         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3287
3288 2007-03-30  Richard Henderson  <rth@redhat.com>
3289             Kai Tietz  <kai.tietz@onevision.com>
3290
3291         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3292         default for 64-bit.
3293         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3294         (TARGET_64BIT_MS_ABI): New.
3295         (DBX_REGISTER_NUMBER): Handle 64-bit.
3296         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3297         (LONG_TYPE_SIZE): Force to 32.
3298         (REG_PARM_STACK_SPACE): New.
3299         (OUTGOING_REG_PARM_STACK_SPACE): New.
3300         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3301         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3302         (STACK_BOUNDARY): Use 128 for 64-bit.
3303         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3304         Add 64-bit implementation.
3305         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3306         argument unused.
3307         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3308         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3309         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3310         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3311         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3312         TARGET_64BIT_MS_ABI.
3313         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3314         (ix86_pass_by_reference): Likewise.
3315         (ix86_function_value_regno_p): Likewise.
3316         (ix86_build_builtin_va_list): Likewise.
3317         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3318         (function_arg_advance_ms_64): New.
3319         (function_arg_advance): Call it.
3320         (function_arg_ms_64): New.
3321         (function_arg): Call it.
3322         (function_value_ms_64): New.
3323         (ix86_function_value_1): Call it.
3324         (return_in_memory_ms_64): New.
3325         (ix86_return_in_memory): Call it.
3326         (setup_incoming_varargs_ms_64): New.
3327         (ix86_setup_incoming_varargs): Call it.
3328         (ix86_expand_prologue): Handle 64-bit stack probing.
3329         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3330         (output_pic_addr_const): Likewise.
3331         (x86_this_parameter): Likewise.
3332         (x86_output_mi_thunk): Likewise.
3333         (x86_function_profiler): Likewise.
3334         (TARGET_STRICT_ARGUMENT_NAMING): New.
3335         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3336         (TARGET_64BIT_MS_ABI): New.
3337         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3338         * config/i386/i386.md (allocate_stack_worker): Remove.
3339         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3340         describe the clobber of eax without a match_scratch.
3341         (allocate_stack_worker_postreload): Remove.
3342         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3343         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3344         (allocate_stack_worker_rex64_postreload): Remove.
3345         (allocate_stack): Handle 64-bit.
3346         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3347         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3348         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3349         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3350         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3351         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3352         * config.build (x86_64-*-mingw*): New host.
3353         * config.host (x86_64-*-mingw*): New host.
3354         * config.gcc (x86_64-*-mingw*): New target.
3355         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3356
3357 2007-03-30  Richard Henderson  <rth@redhat.com>
3358             Kai Tietz  <kai.tietz@onevision.com>
3359
3360         * c-pragma.c (struct def_pragma_macro_value): New.
3361         (struct def_pragma_macro): New.
3362         (pushed_macro_table): New.
3363         (dpm_hash, dpm_eq): New.
3364         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3365         (init_pragma): Install them.
3366         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3367
3368 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3369
3370         * config/avr/avr.c (avr_override_options): Clear
3371         'flag_delete_null_pointer_checks'.
3372
3373 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3374
3375         PR c++/26099
3376         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3377         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3378         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3379         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3380         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3381         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3382         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3383         C++ extensions.
3384         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3385
3386 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3387
3388         * regmove.c: Move all of pass_stack_adjustments from here...
3389         * combine-stack-adj.c: ...to this new file.
3390         * Makefile.in: Add rules for combine-stack-adj.o.
3391
3392 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3393
3394         PR tree-optimization/31383
3395         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3396         to have the same length.
3397
3398 2007-03-30  Jan Hubicka  <jh@suse.cz>
3399
3400         PR middle-end/30700
3401         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3402         availablility; add more sanity checking; ask varpool only about
3403         VAR_DECL.
3404
3405 2007-03-29  Richard Henderson  <rth@redhat.com>
3406
3407         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3408         to decide, but __SIZEOF_LONG_LONG__.
3409
3410 2007-03-29  Richard Henderson  <rth@redhat.com>
3411
3412         * emutls.c (struct __emutls_array): New.
3413         (emutls_destroy): Use it instead of casting element 0 from void*.
3414         (__emutls_get_address): Likewise.
3415
3416 2007-03-29  Richard Henderson  <rth@redhat.com>
3417
3418         * varasm.c (initializer_constant_valid_p): Don't deny
3419         DECL_DLLIMPORT_P on functions.
3420
3421         * config/i386/cygming.h: Remove function declarations.
3422         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3423         (ASM_OUTPUT_LABELREF): Remove.
3424         (COMMON_ASM_OP): Remove.
3425         (ASM_OUTPUT_COMMON): Remove.
3426         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3427         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3428         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3429         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3430         Rename from TARGET_ENCODE_SECTION_INFO.
3431         * config/i386/netware.h: Likewise.
3432         * config/i386/i386-protos.h: Update.
3433         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3434         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3435         (legitimate_constant_p): Reject dllimports.
3436         (dllimport_map, get_dllimport_decl): New.
3437         (legitimize_dllimport_symbol): New.
3438         (legitimize_address, ix86_expand_move): Use it.
3439         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3440         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3441         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3442         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3443         * config/i386/predicates.md (constant_call_address_operand): Only
3444         accept symbols; reject dllimport_p symbols.
3445         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3446         i386_pe_maybe_record_exported_symbol.
3447         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3448         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3449         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3450         trust the setting of DECL_DLLIMPORT_P.
3451         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3452         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3453         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3454         tidy the argument scanning loop.
3455         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3456         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3457         (i386_pe_strip_name_encoding): Remove.
3458         (i386_pe_binds_local_p): New.
3459         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3460         (i386_pe_output_labelref): Remove.
3461         (i386_pe_asm_output_aligned_decl_common): New.
3462         (i386_pe_maybe_record_exported_symbol): Rename from
3463         i386_pe_record_exported_symbol; check for dllexported symbols.
3464
3465 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3466
3467         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3468         add comment explaining why vsnprintf cannot be used.
3469
3470 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3471
3472         PR tree-optimization/30666
3473         * tree.c (build_complex_type): When creating type names for DWARF2
3474         debug info, create TYPE_DECLs for TYPE_NAME instead of
3475         IDENTIFIER_NODEs.
3476         (build_common_tree_nodes_2): Use build_complex_type when building
3477         predefined complex types, to preserve canonical types.
3478
3479 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3480
3481         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3482         (noce_get_alt_condition): Look at it to determine whether to
3483         reverse the condition or not.
3484         (noce_get_condition): Substitute the truth for lies.
3485         (noce_find_if_block): Set the then_else_reversed field.
3486
3487 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3488
3489         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3490         destination of this insn.
3491         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3492         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3493         'address + 4' rather than a stack based temporary which can be
3494         mis-optimized away.
3495
3496 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3497
3498         * config/s390/s390.c (s390_secondary_input_reload_class,
3499         s390_secondary_output_reload_class): Functions removed.
3500         (s390_secondary_reload): New function.
3501         (TARGET_SECONDARY_RELOAD): Target macro defined.
3502         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3503         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3504         * config/s390/s390.md ("reload_outti", "reload_outdi",
3505         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3506         "reload_out<mode>"): Expanders removed.
3507         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3508         "reload<mode>_nonoffmem_out"): Expanders added.
3509
3510 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3511
3512         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3513         SRC->DEST replacement failed anyway.
3514
3515 2007-03-28  Mike Stump  <mrs@apple.com>
3516
3517         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3518         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3519         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3520
3521 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3522
3523         * config.gcc: Accept barcelona as a variant of amdfam10.
3524         * config/i386/i386.c (override_options): Likewise.
3525         * doc/invoke.texi: Likewise.
3526
3527 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3528
3529         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3530         offsets for BIT_FIELD_REF and COMPONENT_REF.
3531
3532 2007-03-28  Richard Guenther  <rguenther@suse.de>
3533
3534         * tree.c (is_global_var): Move ...
3535         * tree-flow-inline.h (is_global_var): ... here.
3536         * tree.h (is_global_var): Remove declaration.
3537
3538 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3539
3540         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3541         option.
3542         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3543         * config/i386/i386.c (ix86_tune_features): Initialize new
3544         tuning option.
3545         * config/i386/predicates.md (promotable_binary_operator): Use
3546         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3547
3548 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3549
3550         PR target/31380
3551         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3552
3553 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3554
3555         * config/fr30/fr30.md (movsi_internal): Change destination
3556         constraint from m to V and add m to the end.
3557
3558 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3559
3560         * config/sh/sh.md (movsi_i): Fix type attribute.
3561
3562 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3563
3564         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3565         (movsf_ie): Likewise.
3566
3567 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3568
3569         * config.gcc: Add sh4-300 to multilib.
3570         * config/sh/t-mlib-sh4-300: New file.
3571
3572 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3573
3574         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3575         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3576         fix_trunc<mode>di2.
3577         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3578         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3579         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3580         "fixuns_trunctddi2"): Whitespace fix.
3581
3582 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3583
3584         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3585         the definition of struct sh_args.
3586         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3587         CALL_COOKIE_INT_REG_GET): Likewise.
3588
3589 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3590
3591         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3592         transformations are applied successfully.
3593
3594 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3595
3596         * tree.c (tree_contains_struct): Permit 512 tree codes.
3597         * tree.h (tree_contains_struct): Ditto.
3598         (MAX_TREE_CODES): Ditto.
3599         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3600         SPARE member to store remaining padding bits.
3601
3602 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3603
3604         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3605         architecture.
3606
3607 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3608
3609         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3610         * configure: Regenerate.
3611
3612         * configure: Regenerate using the correct version of autoconf.
3613
3614 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3615
3616         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3617         pointer regs.
3618         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3619         regs to "__SP_L__" and "__SP_H__".
3620
3621 2007-03-27  Richard Guenther  <rguenther@suse.de>
3622
3623         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3624         computations with it with a HOST_WIDE_INT variable.
3625
3626 2007-03-26  Mike Stump  <mrs@apple.com>
3627
3628         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3629         objective-c-header, objective-c++-header and objc++-cpp-output
3630         support.
3631         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3632
3633 2007-03-26  Richard Henderson  <rth@redhat.com>
3634
3635         PR target/31361
3636         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3637         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3638         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3639         IX86_BUILTIN_PSRLQ128): New.
3640         (ix86_init_mmx_sse_builtins): Add them.
3641         (ix86_expand_builtin): Expand them.
3642         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3643         operand 2 be TImode.
3644         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3645         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3646         _mm_srli_epi64): Mark __B const.
3647         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3648         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3649         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3650         new two-vector shift builtins.
3651
3652 2007-03-26  Ian Lance Taylor  <iant@google.com>
3653
3654         PR tree-optimization/31345
3655         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3656         [+INF, +INF(OVF)] into VARYING.
3657
3658 2007-03-26  Zack Weinberg  <zackw@panix.com>
3659
3660         * gengtype-parse.c: New file.
3661         * gengtype-yacc.y: Delete.
3662         * gengtype-lex.l: Don't include gengtype-yacc.h.
3663         Define YY_DECL and yyterminate appropriately for recursive
3664         descent parser.  yylval is now a string out-parameter to yylex.
3665         (HWS, EOID): New shorthand.
3666         (IWORD): Add a couple more types.
3667         (yylex): Add a setup stanza.  Remove the complex rules for
3668         detecting GTY'ed types and typedefs; replace with simple
3669         keyword detectors.  Adjust everything for the changed
3670         definition of yylval.  Ignore all pp-directives, not just #define.
3671         (yyerror): Delete.
3672         (parse_file): Rename yybegin; do not call yyparse.
3673         (yyend): New.
3674         * gengtype.c (xasprintf): Export again.
3675         (this_file): New.  Use everywhere __FILE__ was being used.
3676         (get_lang_bitmap): Special case types defined in gengtype.c.
3677         (do_typedef, new_structure): Suppress definition of certain types.
3678         (new_structure): Improve diagnostics of duplicate definitions.
3679         Make sure location_s is associated with input.h.
3680         (nreverse_pairs, define_location_structures): New functions.
3681         (main): Improve tagging of kludge types.  Remove old kludges
3682         for input.h types; use define_location_structures.
3683         * gengtype.h: Update prototypes.  Define token codes here.
3684         * Makefile.in: Remove all references to gengtype-yacc.
3685         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3686         and gengtype.
3687         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3688         add GTY((skip)) to the field that's only conditionally there.
3689         * doc/install.texi: Document that Bison is no longer required
3690         unless building treelang.
3691
3692         * gengtype.c: Don't include gtyp-gen.h.
3693         (srcdir): Declare here.
3694         (base_files, lang_dir_names): Allocate dynamically.
3695         (gt_files, num_gt_files, num_lang_dirs): New globals.
3696         (measure_input_list, read_input_line, read_input_list)
3697         (set_lang_bitmap): New functions.
3698         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3699         simplify, relying on read_input_list to set up the bitmaps.
3700         (main): Arguments are no longer unused.  Check for correct number
3701         of command line arguments, set srcdir and srcdir_len, then call
3702         read_input_list, before doing anything else.  No need to worry
3703         about duplicates in main loop.
3704         * configure.ac: Simplify the calculation of all_gtfiles.
3705         Put language tags in there.  Don't set or substitute
3706         all_gtfiles_files_langs or all_gtfiles_files_frags.
3707         * Makefile.in: Revamp the way gengtype is invoked, now that it
3708         takes a file on its command line with a much simpler format.
3709         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3710         (GTFILES): Remove duplicates and C source files.
3711         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3712         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3713         * configure: Regenerate.
3714
3715         * gengtype.h: Remove all type definitions to gengtype.c; leave
3716         only definitions of options_p, type_p, and pair_p as opaque
3717         pointers.  Update prototypes.
3718         * gengtype.c: Many type definitions moved here from gengtype.h.
3719         Consolidate type definitions at the top of the file.
3720         (xvasprintf): Delete.
3721         (xasprintf): Make static.
3722         (create_nested_pointer_option): Add 'next' parameter.
3723         (create_field_all, create_field_at): New functions.
3724         (create_field): Now a thin wrapper around create_field_all.
3725         (create_optional_field): Rename create_optional_field_ and add
3726         line argument.  Original name is now a macro which supplies
3727         __LINE__.
3728         (oprintf): Use vsnprintf directly.
3729         (close_output_files): Use fatal rather than perror/exit.
3730         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3731         (main): Set progname.  Don't use exit.
3732         * gengtype-yacc.y (struct_fields): Use create_field_at.
3733         (option, optionseqopt): Delete.
3734         (optionseq): Consolidate productions from option here so we
3735         can use the first argument to create_option.
3736
3737         * gengtype-lex.l: Distinguish unions from structures in the
3738         token type.  Don't call find_structure; return the tag as a string.
3739         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3740         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3741         Reorganize typedef_struct production accordingly.
3742         Use create_nested_ptr_option.
3743         * gengtype.c (create_nested_ptr_option): New function.
3744         * gengtype.h: Declare it.
3745
3746         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3747         (string_type): Don't declare.
3748         (do_scalar_typedef): Declare.
3749         (create_scalar_type): Update prototype.
3750         * gengtype.c (string_type): Make static.
3751         (scalar_nonchar, scalar_char): New.
3752         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3753         (resolve_typedef): Use scalar_nonchar for error recovery.
3754         (create_scalar_type): Remove name_len field.  Return scalar_char
3755         or scalar_nonchar as appropriate.
3756         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3757         to use string_type.
3758         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3759         whenever possible.
3760         (main): Initialize scalar_char and scalar_nonchar before calling
3761         gen_rtx_next.
3762         * gengtype-lex.l: Adjust for removal of second argument to
3763         create_scalar_type.  Use yylval.s instead of yylval.t when
3764         returning SCALAR.
3765         * gengtype-yacc.y: Type of SCALAR is string.  Call
3766         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3767         second argument to create_scalar_type.
3768
3769         * vec.h: Remove all #if IN_GENGTYPE blocks.
3770         Add comment saying that changes may require adjustments to gengtype.
3771         * gengtype.c: Don't include coretypes.h or tm.h.
3772         Add comment to inclusion of errors.h.
3773         (note_def_vec, note_def_vec_alloc): New functions.
3774         * gengtype.h: Declare new functions.
3775         * gengtype-lex.l: Don't include coretypes.h.
3776         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3777         Delete.
3778         (update_lineno): Remove unnecessary prototype.
3779         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3780         (VEC rule): Just return VEC_TOKEN.
3781         * gengtype-yacc.y (VEC_TOKEN): New token type.
3782         (type): Add a production for VEC(a,b).
3783         * Makefile.in: Update dependencies.
3784
3785         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3786         typedefs that use the old PARAMS macro.
3787
3788         * gengtype-lex.l: Remove all rules and states relating to yacc
3789         input files.
3790         * gengtype-yacc.y: Similarly.
3791         * gengtype.c (note_yacc_type): Delete function.
3792         * gengtype.h: Update prototypes.
3793
3794 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3795
3796         * tree-pretty-print.c (dump_generic_node): Report precision of
3797         unnamed integer types.
3798
3799 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3800
3801         * ifcvt.c (noce_try_store_flag_constants): Don't check
3802         no_new_pseudos here.
3803         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3804         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3805         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3806         noce_try_sign_mask): Likewise.
3807         (if_convert): Check no_new_pseudos here.
3808
3809         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3810         Remove prototypes.
3811         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3812         (noce_get_condition): Handle new then_else_reversed argument.
3813         (noce_init_if_info): Remove, fold into noce_find_if_block.
3814         (noce_process_if_block): Take a struct noce_if_info as the
3815         argument.  Don't set up one based on ce_if_info.  Update pointer
3816         references accordingly.
3817         (cond_move_process_if_block): Likewise.
3818         (process_if_block): Removed.
3819         (find_if_block): Removed.  Move functionality two new functions,
3820         noce_find_if_block and cond_exec_find_if_block.
3821         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3822         blocks and the symmetric IF-ELSE-JOIN case.
3823         (cond_exec_find_if_block): Also new function mostly based on old
3824         find_if_block and process_if_block.
3825         (find_if_header): Replace find_if_block call with separately
3826         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3827         (find_cond_trap): Update noce_get_condition call.
3828         (dead_or_predicable): Likewise.
3829
3830 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3831
3832         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3833         Remove.
3834         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3835         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3836         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3837         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3838         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3839         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3840         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3841         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3842         __builtin_ia32_psrad128 builtins.
3843
3844 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3845
3846         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3847         * config/i386/constraints.md
3848         (define_constraint "I"): Use IN_RANGE macro.
3849         (define_constraint "J"): Ditto.
3850         (define_constraint "K"): Ditto.
3851         (define_constraint "M"): Ditto.
3852         (define_constraint "N"): Ditto.
3853         (define_constraint "O"): Ditto.
3854         * config/i386/predicates.md
3855         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3856         (define_predicate "const_0_to_3_operand"): Ditto.
3857         (define_predicate "const_0_to_7_operand"): Ditto.
3858         (define_predicate "const_0_to_15_operand"): Ditto.
3859         (define_predicate "const_0_to_63_operand"): Ditto.
3860         (define_predicate "const_0_to_255_operand"): Ditto.
3861         (define_predicate "const_1_to_31_operand"): Ditto.
3862         (define_predicate "const_2_to_3_operand"): Ditto.
3863         (define_predicate "const_4_to_7_operand"): Ditto.
3864
3865 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3866
3867         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3868         in SImode for save_world.
3869         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3870         LR hard reg.
3871
3872 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3873
3874         PR tree-optimization/30784
3875         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3876         BIT_FIELD_REF.
3877
3878 2007-03-25  Revital Eres  <eres@il.ibm.com>
3879
3880         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3881           Fold movement_possibility function into it.
3882
3883 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3884
3885         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3886         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3887         (call_indirect_nonlocal_darwin64): Same.
3888         (call_nonlocal_darwin64): Same.
3889         (call_value_indirect_nonlocal_darwin64): Same.
3890         (call_value_nonlocal_darwin64): Same.
3891         (sibcall_nonlocal_darwin64): Same.
3892         (sibcall_value_nonlocal_darwin64): Same.
3893         (sibcall_symbolic_64): Same.
3894         (sibcall_value_symbolic_64): Same.
3895         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3896         LR pseudo.
3897         (rs6000_emit_load_toc_table): Same.
3898         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3899         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3900         (mull_call): Same.
3901         (divss_call): Same.
3902         (divus_call): Same.
3903         (quoss_call): Same.
3904         (quous_call): Same.
3905         (load_toc_v4_pic_si): Same
3906         (load_toc_v4_PIC_1): Same.
3907         (load_toc_v4_PIC_1b): Same.
3908         (call_indirect_aix{32,64}): Same.
3909         (call_value_indirect_aix{32,64}): Same.
3910         (call): Same.
3911         (call_value): Same.
3912         (call_local{32,64}): Same.
3913         (call_value_local{32,64}): Same.
3914         (call_indirect_nonlocal_aix{32,64}): Same.
3915         (call_nonlocal_aix{32,64}): Same.
3916         (call_value_indirect_nonlocal_aix{32,64}): Same.
3917         (call_value_nonlocal_aix{32,64}): Same.
3918         (call_indirect_nonlocal_sysv<mode>): Same.
3919         (call_nonlocal_sysv<mode>): Same.
3920         (call_value_indirect_nonlocal_sysv<mode>): Same.
3921         (call_value_nonlocal_sysv<mode>): Same.
3922         (sibcall): Same.
3923         (sibcall_local{32,64}): Same.
3924         (sibcall_value_local{32,64}): Same.
3925         (sibcall_nonlocal_aix{32,64}): Same.
3926         (sibcall_value_nonlocal_aix{32,64}): Same.
3927         (sibcall_nonlocal_sysv<mode>): Same.
3928         (sibcall_value): Same.
3929         (sibcall_value_nonlocal_sysv<mode>): Same.
3930
3931 2007-03-24  Paul Brook  <paul@codesourcery.com>
3932
3933         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3934         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3935
3936 2007-03-24  Richard Henderson  <rth@redhat.com>
3937
3938         * config/ia64/constraints.md: New file.
3939         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3940         satisfies_constraint_?.
3941         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3942         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3943         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3944         ia64_output_mi_thunk): Likewise.
3945         (ia64_const_ok_for_letter_p): Remove.
3946         (ia64_const_double_ok_for_letter_p): Remove.
3947         (ia64_extra_constraint): Remove.
3948         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3949         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3950         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3951         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3952         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3953         EXTRA_MEMORY_CONSTRAINT): Remove.
3954         * config/ia64/ia64.md: Include constriants.md.  Replace
3955         CONST_OK_FOR_? with satisfies_constraint_?.
3956
3957 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3958             H.J. Lu  <hongjiu.lu@intel.com>
3959
3960         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3961         DPD or BID name.
3962         (name macros): Use DPD_BID_NAME to convert names properly.
3963
3964         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3965         decimal floating point format.
3966         (init_floating_libfuncs): Change decimal functions so that they
3967         have a "bid_" prefix if the decimal system uses the BID format,
3968         and "dpd_" prefix if the decimal system uses the DPD format.
3969         (init_interclass_conv_libfuncs): Ditto.
3970         (init_intraclass_conv_libfuncs): Ditto.
3971
3972         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3973         using the BID format.
3974
3975         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3976         whether we are using the BID decimal format.
3977         * configure: Regenerate.
3978
3979         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3980         the compiler has decimal floating point enabled.  Define
3981         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3982         instead of DPD.
3983
3984         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3985         using the BID format.
3986
3987         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3988         whether we are using the BID decimal format.
3989         * configure: Regenerate.
3990
3991         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3992         the compiler has decimal floating point enabled.  Define
3993         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3994         instead of DPD.
3995
3996         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3997         options, and that it is enabled for i386/x86_64 systems.
3998
3999         * Makefile.in (enable_decimal_float): New.
4000         (DECNUMFMT): New.
4001         (DECNUMINC): Add  -I$(DECNUMFMT).
4002         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4003         to $(DECNUMFMT) from $(DECNUM).
4004
4005         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4006         Substitute enable_decimal_float.
4007         * configure: Regenerated.
4008
4009         PR other/30529
4010         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4011         unsigned long.
4012
4013         * configure.ac: Enable decimal float for x86_64-*-linux*.
4014         * configure: Regenerated.
4015
4016         PR other/30530
4017         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4018         decimal128ClearSign to flip and clear the sign bit in decimal128.
4019         (decimal_real_maxval): Set decimal128SetSign to set the sign
4020         bit in decimal128.
4021
4022 2007-03-23  Ian Lance Taylor  <iant@google.com>
4023
4024         * fold-const.c (fold_binary): Correct warning for X - c >= X.
4025
4026 2007-03-23  Ian Lance Taylor  <iant@google.com>
4027
4028         * tree-dump.c (dump_files): Correct comment.
4029
4030 2007-03-23  Ian Lance Taylor  <iant@google.com>
4031
4032         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4033
4034 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4035
4036         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4037         in cfglayout mode.  Don't go into and out of cfglayout mode.
4038         Link the blocks in the order of the constructed traces.
4039         (rest_of_handle_tracer): Adjust call to tracer.
4040         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4041         Don't go into cfglayout mode.
4042         (rtl_loop_done): Don't go out of cfglayout mode.
4043         * cfglayout.c (relink_block_chain): New function, split out from...
4044         (fixup_reorder_chain): ...here.  Remove redundant checking.
4045         (cfg_layout_finalize): Don't clear the header, footer, and aux
4046         fields here, move the code to do so to relink_block_chain.  Likewise
4047         for free_original_copy_tables.
4048         * rtl.h (tracer): Update prototype.
4049         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4050         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4051         mode.  Use relink_block_chain to serialize the CFG according to the
4052         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4053         here...
4054         (gate_handle_reorder_blocks): ...to here.
4055         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4056         from here...
4057         (gate_duplicate_computed_gotos): ...to here.
4058         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4059         something always changes when going into and out of cfglayout mode.
4060         Perform an expensive cfg cleanup while going into cfglayout mode.
4061         Always update liveness information on HAVE_conditional_execution
4062         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4063         * reg-stack.c: Include cfglayout.h.
4064         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4065         the call to reorder_basic_blocks.
4066         * basic-block.h (reorder_basic_blocks): Update prototype.
4067         (relink_block_chain): New prototype.
4068         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4069
4070 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4071
4072         * config/mips/mips.md (type, hazard, *movdi_32bit,
4073         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4074         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4075         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4076         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4077         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4078         applicable.
4079         (movcc): Change first xfer to multi.
4080         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4081         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4082         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4083         config/mips/generic.md: Change reservations using "xfer" to use
4084         "mfc,mtc".
4085         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4086         using match_operand.
4087         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4088         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4089         examining mode.
4090         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4091
4092 2007-03-22  Richard Henderson  <rth@redhat.com>
4093
4094         * config/i386/i386.c: Remove unnecessary function declarations.
4095         Move targetm definition, and all related macros, to the end of
4096         the file.  Resort some functions to put definitions before uses.
4097         (ix86_attribute_table): Make static.  Move to end of file.
4098         (ix86_gimplify_va_arg): Make static.
4099
4100 2007-03-22  Richard Henderson  <rth@redhat.com>
4101
4102         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4103         don't increase local_regparm with force_align_arg_pointer check.
4104         (ix86_function_sseregparm): Assert 32-bit.
4105         (type_has_variadic_args_p): New.
4106         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4107         type_has_variadic_args_p.
4108         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4109         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4110         use memset instead.  Do maybe_vaarg check first; skip attribute
4111         tests if true; skip attribute tests for 64-bit.
4112         (construct_container): Remove TARGET_DEBUG_ARG.
4113         (function_arg_advance_32, function_arg_advance_64): Split out ...
4114         (function_arg_advance): ... from here.
4115         (function_arg_32, function_arg_64): Split out ...
4116         (function_arg): ... from here.
4117         (ix86_pass_by_reference): Tidy.
4118         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4119         (function_value_32): New, from parts of ix86_function_value
4120         and ix86_value_regno.
4121         (function_value_64): New, from parts of ix86_function_value
4122         and ix86_libcall_value.
4123         (ix86_function_value_1): New.
4124         (ix86_function_value, ix86_libcall_value): Use it.
4125         (return_in_memory_32, return_in_memory_64): Split out ...
4126         (ix86_return_in_memory): ... from here.
4127         (ix86_struct_value_rtx): Skip for 64-bit.
4128         (ix86_libcall_value, ix86_value_regno): Remove.
4129         (setup_incoming_varargs_64): Split out ...
4130         (ix86_setup_incoming_varargs): ... from here.
4131         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4132         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4133         * config/i386/i386-protos.h (ix86_function_value): Remove.
4134         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4135
4136 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4137
4138         PR other/23572
4139         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4140         infinities not supported, otherwise emit warning if -Woverflow. On
4141         underflow, emit warning if -Woverflow.
4142         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4143         and 0 otherwise.
4144         * real.h (real_from_string): Update declaration
4145
4146 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4147             Richard Henderson  <rth@redhat.com>
4148
4149         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4150         * calls.c (compute_argument_block_size, expand_call,
4151         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4152         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4153         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4154         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4155         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4156         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4157         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4158         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4159         Set to 1.
4160
4161 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4162
4163         * c-incpath.c (add_sysroot_to_chain): New.
4164         (merge_include_chains): Add sysroot argument.  Call
4165         add_sysroot_to_chain if sysrooted.
4166         (register_include_chains): Update call to merge_include_chains.
4167         * doc/cppopts.texi: Document use of '=' in include directory
4168         arguments.
4169
4170 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4171
4172         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4173         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4174         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4175         insn pattern using X87MODEF12 mode macro.
4176
4177 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4178
4179         * regmove.c (regmove_optimize): Use reg_mentioned_p
4180         instead of reg_overlap_mentioned_p for DST.
4181
4182 2007-03-21  Mike Stump  <mrs@apple.com>
4183
4184         * c.opt: Fixup for Objective-C/C++.
4185
4186 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4187
4188         * explow.c (convert_memory_address): Fold memory reference when
4189         POINTERS_EXTEND_UNSIGNED < 0
4190
4191 2007-03-21  Richard Henderson  <rth@redhat.com>
4192
4193         PR target/31245
4194         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4195         * config/i386/mmintrin.h (__m64): Likewise.
4196         * config/i386/xmmintrin.h (__m128): Likewise.
4197
4198 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4199
4200         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4201         (VXWORKS_OS_CPP_BUILTINS): Define.
4202         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4203         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4204
4205 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4206
4207         * rtl.h (constant_pool_reference_p): Delete.
4208         (find_constant_src): Declare.
4209         * rtlanal.c (find_constant_src): New function.
4210         * simplify-rtx.c (constant_pool_reference_p): Delete.
4211         * config/i386/i386.md: Use find_constant_src instead of
4212         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4213
4214 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4215
4216         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4217         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4218
4219 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4220
4221         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4222         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4223         (arm_elf_asm_constructor): Use it.
4224         (arm_elf_asm_destructor): New function.
4225
4226 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4227
4228         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4229
4230 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4231
4232         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4233
4234 2007-03-19  Andrew Haley  <aph@redhat.com>
4235
4236         PR tree-optimization/31264
4237         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4238         VIEW_CONVERT_EXPRs.
4239
4240 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4241
4242         PR rtl-optimization/30907
4243         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4244         (fwprop_init): Always call loop_optimizer_initialize.
4245         (fwprop_done): Always call loop_optimizer_finalize.
4246         (fwprop): We always have loop info now.
4247         (gate_fwprop_addr): Remove.
4248         (pass_fwprop_addr): Use gate_fwprop as gate.
4249
4250         PR rtl-optimization/30841
4251         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4252         df_chain_alloc): Call df_reorganize_refs unconditionally.
4253         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4254         refs_organized to refs_organized_size.
4255         (df_ref_create_structure): Use refs_organized_size instead of
4256         bitmap_size if refs had been organized, and keep refs_organized_size
4257         up-to-date.
4258         * df.h (struct df_ref_info): Change refs_organized to
4259         refs_organized_size.
4260         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4261         bitmap_size.
4262
4263 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4264
4265         * except.c (output_function_exception_table): Do not reference the
4266         EH personality routine for functions that do not require an
4267         exception table.
4268
4269 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4270
4271         PR c/30762
4272         * c-typeck.c (convert_for_assignment): Call comptypes for
4273         RECORD_TYPE or UNION_TYPE.
4274
4275         PR inline-asm/30505
4276         * reload1.c (reload): Do invalid ASM checking after
4277         cleanup_subreg_operands.
4278
4279 2007-03-19  Jeff Law  <law@redhat.com>
4280
4281         * tree-cfg.c (find_taken_edge): Tighten conditions for
4282         optimizing computed gotos.
4283
4284 2007-03-19  Michael Matz  <matz@suse.de>
4285
4286         * builtins.c (expand_builtin_sync_operation,
4287         expand_builtin_compare_and_swap,
4288         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4289         correctly.
4290
4291         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4292         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4293         for operand 3.
4294
4295 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4296
4297         * doc/tm.texi: Add brackets around the return type of
4298         TARGET_SECONDARY_RELOAD.
4299
4300 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4301         Richard Guenther  <rguenther@suse.de>
4302
4303         PR tree-optimization/31254
4304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4305         Use handled_component_p () where appropriate.  Continue
4306         propagating into the rhs if we propagated into an INDIRECT_REF
4307         on the lhs.
4308
4309 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4310
4311         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4312         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4313         (xde, xdee): Mode attributes adjusted to support DFP modes.
4314         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4315         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4316         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4317         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4318         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4319         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4320         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4321         numbers.
4322         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4323         "movsf"): Insn definitions removed.
4324         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4325         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4326         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4327         definitions added.
4328         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4329         "reload_in<mode>", "reload_out<mode>"): Expander added.
4330         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4331         Expander removed.
4332
4333 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4334
4335         * config/s390/s390.md: Only non-functional changes.  Renamed
4336         FPR mode macro to BFP all over the file.
4337
4338 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4339
4340         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4341         (op_type attribute): RRF instruction type added.
4342         (fT0): New mode attribute.
4343         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4344         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4345         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4346         no secondary memory is needed when moving DFmode values between GPRs
4347         and FPRs.
4348
4349 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4350
4351         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4352         inverted and documentation adjusted.
4353         ("mhard-dfp", "msoft-dfp"): New options.
4354         * config/s390/s390.c (s390_handle_arch_option): New architecture
4355         switch: z9-ec.
4356         (override_options): Sanity checks for the new options added.
4357         * config.gcc: New architecture switch: z9-ec.
4358         * config/s390/s390.h (processor_flags): PF_DFP added.
4359         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4360         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4361         when the bit is NOT set so remove it from the defaults.
4362
4363 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4364
4365         * genemit.c (main): Print include statement for dfp.h.
4366         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4367         is not available.
4368
4369 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4370
4371         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4372
4373 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4374
4375         PR target/31022
4376         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4377         instead of PATTERN.
4378
4379 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4380
4381         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4382         attr_length_call, output_call, output_indirect_call): Cleanup
4383         formatting of targetm calls.
4384
4385 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4386
4387         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4388
4389 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4390
4391         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4392         reservation, bypass and anti-bypass descriptions for these instructions.
4393         Update move patterns.
4394         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4395         TYPE_FPSTORE.
4396
4397 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4398
4399         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4400         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4401         (get_initial_def_for_reduction): Likewise.
4402
4403 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4404
4405         Fix PR tree-optimization/29922
4406         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4407         (get_representative): Removed.
4408         (value_dies_in_block_x): Update for rvuse removal.
4409         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4410         (compute_antic_aux): Handle when PHI nodes appear in
4411         non-single-successors.
4412         (dump_bitmap_of_names): Removed.
4413         (compute_antic_safe): Renamed and removed rvuse calculation.
4414         Calculate only antic safe.
4415         (insert_into_preds_of_block): Remove assert.
4416         (execute_pre): Update for renamed functions.
4417         (defer_or_phi_translate_block): New function.
4418
4419 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4420
4421         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4422         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4423         typos.
4424         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4425         Follow spelling conventions.
4426
4427         * tree-data-ref.h: Remove the prototype for analyze_array.
4428
4429 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4430
4431         PR tree-optimization/31041
4432         * tree-vect-transform.c (get_initial_def_for_induction): Call
4433         force_gimple_operand.
4434
4435 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4436
4437         * ipa-type-escape.c (look_for_casts) : Revert code to use
4438         handled_component_p due to ada test a-numaux.adb.
4439
4440 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4441
4442         * final.c (final_scan_insn): Alter the condition of a
4443         conditional trap if we have nonstandard CC.
4444
4445 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4446
4447         * configure.ac: Remove excess quoting from asm line 0 test.
4448         * configure: Rebuilt.
4449
4450 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4451
4452         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4453         * c-common.c (convert_and_check): Move warning logic to...
4454         (warnings_for_convert_and_check): ...here. Define.
4455         * c-common.h (warnings_for_convert_and_check): Declare.
4456
4457 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4458
4459         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4460         (output_call): Likewise.
4461
4462 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4463
4464         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4465
4466 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4467
4468         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4469
4470 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4471
4472         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4473         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4474
4475 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4476
4477         PR tree-optimization/31183
4478         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4479         Use double_int instead of unsigned int for representing access_strides.
4480         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4481
4482 2007-03-16  Richard Guenther  <rguenther@suse.de>
4483
4484         PR tree-optimization/31146
4485         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4486         to allow recursion of forward_propagate_addr_expr.
4487         (forward_propagate_addr_into_variable_array_index): Likewise.
4488         (forward_propagate_addr_expr): Likewise.
4489         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4490         (forward_propagate_addr_expr_1): Recurse on simple copies
4491         instead of propagating into them.  Do so for useless conversions
4492         as well.
4493         (forward_propagate_addr_expr): Clean up unused statements after
4494         recursion.
4495
4496 2007-03-16  Richard Guenther  <rguenther@suse.de>
4497
4498         * builtins.c (expand_builtin_cexpi): Use the right argument
4499         for the expansion via cexp.
4500
4501 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4502
4503         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4504         * configure: Rebuilt.
4505
4506 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4507
4508         PR debug/29906
4509         * dwarf2out.c (force_type_die): Adjust comment.
4510         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4511
4512 2007-03-15  DJ Delorie  <dj@redhat.com>
4513
4514         * config/frv/predicates.md (minmax_operator): Don't check operands
4515         here.
4516
4517 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4518
4519         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4520         Update constant estimates of number of iterations.
4521         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4522         argument renamed to "realistic".
4523         (compute_estimated_nb_iterations): Removed.
4524         (record_niter_bound): New function.
4525         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4526         call record_nonwrapping_iv with upper = false.
4527         (infer_loop_bounds_from_signedness): Pass upper argument to
4528         record_nonwrapping_iv.
4529         (estimate_numbers_of_iterations_loop): Do not call
4530         compute_estimated_nb_iterations.  Record estimate based on profile
4531         information.  Initialize the constant estimates of number of
4532         iterations.
4533         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4534         estimates.
4535         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4536         number of iterations is too small.
4537         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4538         (EST_NOT_AVAILABLE): Removed.
4539         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4540         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4541         fields.
4542
4543 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4544
4545         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4546         Handle NE_EXPR guards.
4547
4548 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4549
4550         PR c++/24924
4551         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4552         Set also -pedantic-errors by default for the  preprocessor unless
4553         -fpermissive is given.
4554
4555 2007-03-15  Richard Guenther  <rguenther@suse.de>
4556
4557         PR middle-end/29719
4558         PR middle-end/31161
4559         * builtins.c (expand_builtin_cexpi): As a fallback if we
4560         don't have builtins for sincos or cexp create a function
4561         declaration for cexp and expand to a call to that.
4562         (expand_builtin_int_roundingfn): Always fall
4563         back to floor/ceil and its variants even if they may be
4564         not available.
4565
4566 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4567
4568         PR middle-end/31159
4569         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4570         jump tables, move the call to delete_dead_jumptables from here...
4571         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4572         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4573         don't allow merging of blocks that try_redirect_by_replacing_jump
4574         also does not handle when not optimizing.
4575
4576 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4577             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4578
4579         * config/i386/i386.md (x86_sahf_1): Correctly handle
4580         HAVE_AS_IX86_SAHF.
4581
4582 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4583
4584         PR target/31167
4585         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4586         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4587         from operand constraints and use "e" constraint instead.
4588         (*subti3_1, *subti3_1 splitter): Ditto.
4589         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4590         operand[1] predicate.
4591
4592 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4593
4594         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4595         arrays, multiply the access strides by the size of the sub-array.
4596         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4597
4598 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4599
4600         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4601         the configured assembler supports the sahf mnemonic.
4602         * configure: Regenerate.
4603         * config.in: Regenerate.
4604
4605         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4606         emit "sahf" or ".byte\t0x9e" as asm template.
4607
4608 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4609
4610         PR 31018
4611         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4612         option to replace hard coded TARGET_xxx in md file.
4613         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4614         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4615         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4616         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4617         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4618         (X86_TUNE_NOT_VECTORMODE): Ditto.
4619         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4620         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4621         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4622         (TUNE_SLOW_IMUL_IMM8): Ditto.
4623         (TUNE_MOVE_M1_VIA_OR): Ditto.
4624         (TUNE_NOT_UNPAIRABLE): Ditto.
4625         (TUNE_NOT_VECTORMODE): Ditto.
4626
4627         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4628         options.
4629
4630         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4631         tuning options instead of hard coded TARGET_xxx.
4632         (fix ssemode peephole2's): Ditto.
4633         (imul peephole2's): Ditto.
4634         (movsi_or): Ditto.
4635         (movdi_or_rex64): Ditto.
4636         (move peephole2): Ditto.
4637         (not peephole2's): Ditto.
4638
4639 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4640
4641         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4642         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4643         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4644         of empty body.
4645         * c-parser.c (c_parser_do_statement): Warn about empty body in
4646         do/while statement.
4647         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4648         * doc/invoke.texi (-Wempty-body): Update documentation.
4649
4650 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4651
4652         PR c/21438
4653         * c-common.h (warn_for_div_by_zero): Declare.
4654         * c-common.c (warn_for_div_by_zero): Define.
4655         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4656         warning.
4657
4658 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4659
4660         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4661         to PREFIX and STANDARD_PREFIX.
4662
4663 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4664             Phil Edwards  <phil@codesourcery.com>
4665
4666         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4667         (__gthread_once_t): Remove busy field for RTPs.
4668         (__GTHREAD_ONCE_INIT): Update accordingly.
4669
4670 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4671
4672         * doc/invoke.texi: Document VxWorks options.
4673
4674 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4675
4676         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4677
4678 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4679
4680         PR tree-optimization/30590
4681         * tree-nrv.c (tree_nrv): Check for the partial update of the
4682         return value.
4683
4684 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4685
4686         * flags.h (flag_random_seed): Remove declaration, in favor of...
4687         * toplev.h (get_random_seed, set_random_seed): ... these.
4688         * tree.c (get_file_function_name): Use the former.
4689         * opts.c (common_handle_option): Use the latter.
4690         * toplev.c
4691
4692 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4693
4694         PR middle-end/31127
4695         * cse.c (cse_find_path): Do not bail out if a basic block that
4696         we already visited now becomes part of a path that starts at a
4697         different basic block.  Just disallow this, to make sure we
4698         visit each basic block at most once.
4699
4700 2007-03-13  Jan Hubicka  <jh@suse.cz>
4701
4702         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4703         when profile esitmate is present, calls with very low frequency are
4704         cold.
4705
4706 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4707
4708         PR tree-optimization/30730
4709         PR tree-optimization/26900
4710         * tree-ssa-loop-niter.c: Include gmp.h.
4711         (bounds): New type.
4712         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4713         split_to_var_and_offset, determine_value_range,
4714         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4715         bound_difference, bounds_add, bounds_negate,
4716         number_of_iterations_ne_max, dump_affine_iv): New functions.
4717         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4718         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4719         difference of initial and final value of control iv to validate
4720         results.
4721         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4722         on the difference of the extremes of the control iv.  Add dumps.
4723         (expand_simple_operations): Handle phi nodes.
4724         (simplify_using_initial_conditions): Do not record used conditions.
4725         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4726         Do not set additional_info.
4727         (implies_nonnegative_p, implies_ge_p): Removed.
4728         (derive_constant_upper_bound): Do not use parameter `additional'.
4729         (record_estimate): Parameter `additional' removed.  Parameter
4730         `i_bound' added.  Do not call derive_constant_upper_bound.
4731         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4732         bound the number of iterations estimate.
4733         (estimate_numbers_of_iterations_loop): Pass the estimate from
4734         the number of iterations analysis to record_estimate.
4735         * tree.h (multiple_of_p): Declare.
4736         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4737         (scev_const_prop): Do not check expression_expensive_p.
4738         * fold-const.c (multiple_of_p): Exported.
4739         * double-int.c (double_int_mask): Exported.
4740         * double-int.h (double_int_mask): Declare.
4741         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4742         field.  Added max field.
4743
4744 2007-03-13  David Taylor  <taylor@candd.org>
4745
4746         PR driver/12448:
4747         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4748         default -MQ.
4749
4750 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4751
4752         PR target/31123
4753         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4754         two unamed patterns.
4755
4756 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4757
4758         * config/i386/i386.opt (mcx16, msahf): New options.
4759         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4760         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4761
4762         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4763         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4764         Output -mcx16 and -msahf options when corresponding bit is set.
4765
4766         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4767         and -msahf options.
4768
4769 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4770
4771         * configure.ac: Test for assembler tolerance to # 0 "".
4772         * configure, config.in: Rebuilt.
4773         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4774
4775 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4776
4777         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4778
4779         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4780         (handle_syscall): Handle direct system calls.
4781         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4782
4783 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4784
4785         * doc/invoke.texi: Fix cpp.info cross-reference.
4786         * doc/passes.texi: Fix gcc.info cross-reference.
4787
4788 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4789
4790         PR tree-optimization/30835
4791         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4792         bb_for_stmt is not NULL before accessing it.
4793
4794 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4795
4796         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4797         some multilibs.
4798
4799 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4800
4801         PR 30635
4802         * doc/install.texi: Document --enable-stage1-languages
4803
4804 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4805
4806         * tree-pass.h (pass_into_cfg_layout_mode,
4807         pass_outof_cfg_layout_mode): Declare.
4808         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4809         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4810         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4811         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4812
4813 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4814
4815         * c-decl.c (warn_variable_length_array): New function.
4816         Refactored from grokdeclarator to handle warn_vla
4817         and handle unnamed array case.
4818         (grokdeclarator): Refactored VLA warning case.
4819         * c.opt (Wvla): New flag.
4820         * doc/invoke.texi (Wvla): New warning.
4821
4822 2007-03-12  Richard Henderson  <rth@redhat.com>
4823
4824         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4825         (TARGET_SECTION_TYPE_FLAGS): New.
4826
4827 2007-03-12  Richard Henderson  <rth@redhat.com>
4828
4829         * config/darwin.c (machopic_reloc_rw_mask): New.
4830         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4831         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4832
4833 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4834
4835         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4836         * cppdefault.h (cpp_PREFIX): Document.
4837         (cpp_PREFIX_len): Likewise.
4838         (cpp_EXEC_PREFIX): New variable.
4839         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4840         * c-incpath.c (add_standard_paths): Correct logic for relocating
4841         paths within prefix.
4842
4843 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4844
4845         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4846         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4847         mode macro.
4848         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4849         fix_truncdfdi_sse using SSEMODEF mode macro.
4850         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4851         fix_truncdfsi_sse using SSEMODEF mode macro.
4852         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4853         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4854
4855 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4856
4857         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4858         elfos.h to tm_file.
4859
4860 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4861
4862         * tree.h : Add multiple_of_p declaration.
4863         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4864         * ipa-type-escape.c (results_of_malloc): Redundant.
4865         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4866         (cast_type): Extended with new members.
4867         (check_cast): Returns cast_type.
4868         (cast): New structure for data of walk_use_def_chains.
4869         (is_malloc_result, is_cast_from_non_pointer_1,
4870         is_cast_from_non_pointer,
4871         is_array_access_through_pointer_and_index): New functions.
4872         (look_for_casts): Returns cast types.
4873         (check_call): Returns void.
4874         (okay_pointer_operation): Use support of pointer plus index,
4875         pointer plus constant and allow all multiplications.
4876
4877 2007-03-11  Richard Guenther  <rguenther@suse.de>
4878
4879         PR tree-optimization/31115
4880         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4881         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4882         A shift count of zero is not special as with *_DIV_EXPR.
4883         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4884         direction.
4885
4886 2007-03-11  Ian Lance Taylor  <iant@google.com>
4887
4888         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4889         the *_DIV_EXPR codes correctly with overflow infinities.
4890
4891 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4892
4893         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4894         indicate success/failure of the analysis. Add negation to subtrahend
4895         in case of subtraction. Fail if both operands contain constants.
4896         (create_data_ref): Fail if analyze_offset fails.
4897
4898 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4899
4900         * config/i386/i386.md (frndintxf2): Rename to ...
4901         (rintxf2): ... this. Remove expander having same name.
4902         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4903         (roundsf2, rounddf2): Ditto.
4904         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4905         (lround<mode>di2, lround<mode>si2): Ditto.
4906
4907 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4908
4909         * lower-subreg.c: Include except.h.
4910         (decompose_multiword_subregs): Verify that the only control flow
4911         insns we can split are loads to multi-words pseudos.
4912         Handle breaking such blocks after splitting, instead of calling
4913         find_many_sub_basic_blocks.
4914
4915         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4916         on the new basic block.  Add a lengthy comment explaining why we
4917         thought this was necessary.
4918         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4919
4920 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4921
4922         PR c++/30924
4923         * tree.c (walk_type_fields): Recurse into the element type of
4924         ARRAY_TYPEs if there is a pointer set.
4925
4926 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4927
4928         * c-common.c (warn_logical_operator): Fix condition.
4929
4930 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4931
4932         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4933         quotation mark.
4934         * config/darwin.c (machopic_select_section): Remove superfluous
4935         argument in call to categorize_decl_for_section.  Remove unused
4936         variable shlib.
4937
4938 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4939
4940         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4941         defined.
4942         * configure: Regenerate.
4943
4944 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4945
4946         PR target/31101
4947         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4948         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4949         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4950         Add LABEL_NUSES to emitted label.
4951         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4952         branch probability value to emitted jump insn.
4953         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4954         Do not check life information and do not re-arrange input operands
4955         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4956
4957 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4958
4959         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4960         the change of decode_asm_operands.
4961
4962 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4963
4964         * mode-switching.c (create_pre_exit): Skip blockage insn.
4965
4966 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4967
4968         * tree-pass.h (TODO_update_smt_usage): Remove.
4969         Update all users.
4970         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4971         argument SOME.
4972         Update all users.
4973
4974 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4975
4976         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4977         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4978         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4979         SOM target.
4980
4981 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4982
4983         * gcc.c: Document %{, in big comment at top.
4984         (input_suffix_matches): Remove special handling for .s and
4985         .S.
4986         (input_spec_matches): New.
4987         (handle_braces): Handle %{,.
4988         (validate_switches): ',' indicates a value which is not a switch.
4989         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4990         to detect assembler input.
4991         * config/i386/sol2.h (CPP_SPEC): Likewise.
4992         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4993         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4994         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4995         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4996         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4997         -m64 causes deployment target to default to 10.5.
4998         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4999
5000 2007-03-09  Richard Henderson  <rth@redhat.com>
5001
5002         PR target/26090
5003         * target.h (targetm.asm.out.reloc_rw_mask): New.
5004         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5005         (TARGET_ASM_OUT): Use it.
5006         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5007         * varasm.c (categorize_decl_for_section): Remove shlib argument;
5008         use the new reloc_rw_mask target hook instead.
5009         (default_section_type_flags_1): Merge into...
5010         (default_section_type_flags): ... here.
5011         (decl_readonly_section_1): Merge into...
5012         (decl_readonly_section): ... here.
5013         (default_elf_select_section_1): Merge into...
5014         (default_elf_select_section): ... here.
5015         (default_unique_section_1): Merge into...
5016         (default_unique_section): ... here.
5017         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5018         (default_select_rtx_section): Use it.
5019         (default_elf_select_rtx_section): Likewise.
5020         * output.h: Update to match.
5021         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5022         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5023         (TARGET_ASM_RELOC_RW_MASK): New.
5024         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5025         to categorize_decl_for_section.
5026         (x86_64_elf_unique_section): Likewise.
5027         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5028         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5029         (TARGET_ASM_RELOC_RW_MASK): New.
5030         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5031         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5032         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5033         (TARGET_RWRELOC): Remove.
5034         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5035         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5036         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5037         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5038         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5039         (rs6000_xcoff_select_section): Use decl_readonly_section.
5040         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5041         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5042         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5043         (TARGET_SECTION_TYPE_FLAGS): Remove.
5044         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5045
5046 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5047
5048         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5049         complex constant equality/inequality comparisons for here.
5050         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5051         known at compile-time or can be simplified to a scalar comparison.
5052         (fold_relational_const): Move compile-time evaluation of complex
5053         constant equality/inequality comparisons to here.
5054
5055 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5056
5057         PR rtl-optimization/30643
5058         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5059         dest_addr_elt.
5060         (fold_rtx): Recurse, like before 2006-11-03.
5061
5062 2007-03-09  DJ Delorie  <dj@redhat.com>
5063
5064         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5065         m32c-pragma.o.
5066
5067 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5068
5069         PR tree-optimization/30375
5070         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5071         LHS of statements is not the same.
5072         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5073
5074 2007-03-09  Chao-ying Fu  <fu@mips.com>
5075
5076         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5077         REV 2.
5078         * doc/invoke.texi (-mdspr2): Document new option.
5079         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5080         New unspec for DSP REV 2.
5081         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5082         these instructions are extended in DSP REV 2.
5083         (mips-dspr2.md): Include.
5084         * config/mips/mips.opt (mdspr2): New option.
5085         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5086         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5087         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5088         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5089         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5090         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5091         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5092         and 2 builtins.
5093         (bdesc_map): Add one field of unsupported_target_flags.
5094         (bdesc_arrays):  Update entries to have extra fields.  Add
5095         dsp_32only_bdesc.
5096         (mips_init_builtins): Initialize new function types.
5097         Check unsupported_target_fileds to filter out builtins.
5098         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5099         TARGET_DSPR2.
5100         (ASM_SPEC): Pass mdspr2 to the assembler.
5101         * config/mips/mips-dspr2.md: New file.
5102
5103 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5104
5105         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5106
5107 2007-03-09  Ian Lance Taylor  <iant@google.com>
5108
5109         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5110         argument) like -Wstrict-overflow=2.
5111         * doc/invoke.texi (Warning Options): Update documentation.
5112
5113 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5114
5115         PR c++/17946
5116         * doc/invoke.texi (-Wlogical-op): Document.
5117         * common.opt (-Wlogical-op): New.
5118         * c-common.h (warn_logical_operator): Declare.
5119         * c-common.c (warn_logical_operator): Define.
5120         * c-typeck.c (parser_build_binary_op): Call
5121         warn_logical_operator.
5122
5123 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5124
5125         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5126         * final.c (final_scan_insn): Test for non-"" file name.
5127
5128 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5129
5130         * doc/loop.texi: Document the Omega linear constraints solver.
5131         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5132         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5133         omega-hash-table-size, omega-max-keys, and
5134         omega-eliminate-redundant-constraints.
5135         * tree-pass.h (pass_check_data_deps): Declared.
5136         * omega.c: New.
5137         * omega.h: New.
5138         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5139         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5140         pass_check_data_deps): New.
5141         * tree-data-ref.c (init_data_ref): Remove declaration.
5142         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5143         (analyze_array): Renamed init_array_ref, move up initializations.
5144         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5145         Removed arguments that are set to NULL.
5146         (analyze_indirect_ref): Correct indentation, correct call to
5147         init_pointer_ref.
5148         (object_analysis): Call init_array_ref instead of analyze_array.
5149         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5150         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5151         of DR_ACCESS_FNS_ADDR.
5152         (init_omega_eq_with_af, omega_extract_distance_vectors,
5153         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5154         ddr_consistent_p): New.
5155         (compute_affine_dependence): Check consistency of ddrs when
5156         flag_check_data_deps is passed.
5157         (analyze_all_data_dependences): Uncomment.
5158         (tree_check_data_deps): New.
5159         * tree-data-ref.h: Include omega.h.
5160         (DR_ACCESS_FNS_ADDR): Removed.
5161         (data_dependence_relation): Add inner_loop.
5162         (DDR_INNER_LOOP): New.
5163         * common.opt (fcheck-data-deps): New.
5164         * tree-flow.h (tree_check_data_deps): Declare.
5165         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5166         (OBJS-common): Depend on omega.o.
5167         (omega.o): Define.
5168         * passes.c (pass_check_data_deps): Scheduled.
5169         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5170         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5171         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5172         PARAM_VECT_MAX_VERSION_CHECKS,
5173         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5174
5175 2007-03-09  Richard Guenther  <rguenther@suse.de>
5176
5177         PR tree-optimization/30904
5178         PR middle-end/31058
5179         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5180         the same way as *_DIV_EXPR.
5181
5182 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5183
5184         * recog.c (decode_asm_operands): No mixed declarations and code.
5185
5186 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5187
5188         * rtl.def (ASM_INPUT): Add location.
5189         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5190         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5191         (decode_asm_operands): Add loc operand.
5192         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5193         * stmt.c (expand_asm): Rename to...
5194         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5195         gen_rtx_ASM_INPUT_loc.
5196         (expand_asm_expr): Adjust.
5197         * recog.c (decode_asm_operands): Add loc operand.
5198         (check_asm_operands, extract_insn): Adjust.
5199         * reload1.c (maybe_fix_stack_asms): Likewise.
5200         * final.c (asm_insn_count): Likewise.
5201         (final_scan_insn): Output # line before and after asm.
5202
5203 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5204
5205         * tree-ssa-structalias.c (variable_info): Remove
5206         finished_solution.
5207         (new_var_info): Ditto.
5208         (shared_bitmap_info_t): New structure.
5209         (shared_bitmap_table): New variable.
5210         (shared_bitmap_hash): New function.
5211         (shared_bitmap_eq): Ditto
5212         (shared_bitmap_lookup): Ditto.
5213         (shared_bitmap_add): Ditto.
5214         (merge_smts_into): Change to take bitmap directly.
5215         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5216         (init_alias_vars): Init shared bitmap hashtable.
5217         (delete_points_to_sets): Delete shared bitmap hashtable.
5218         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5219         is_aliased removal as a change that was still necessary was
5220         deleted.
5221
5222 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5223
5224         * config/i386/i386.h (override_options): Conditionally disable
5225         x86_sahf for 64bit targets only.
5226
5227 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5228
5229         PR C/31072
5230         * c-decl.c (merge_decls): Don't call make_var_volatile.
5231         * varasm.c (make_var_volatile): Remove.
5232         * output.h (make_var_volatile): Remove.
5233
5234 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5235
5236         PR tree-optimization/31085
5237         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5238
5239 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5240
5241         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5242         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5243         ATTR_CONST_NOTHROW_LIST.
5244
5245         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5246         FIX_TRUNC_EXPR.
5247
5248 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5249
5250         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5251
5252 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5253
5254         PR 31013
5255         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5256         is declared.
5257         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5258         passed, use shared libgcc.
5259
5260 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5261
5262         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5263         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5264         (honor_protect_cleanup_actions, lower_try_finally_switch):
5265         Likewise.
5266         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5267         ifc_temp_var): Likewise.
5268         * tree-inline.c (setup_one_parameter): Likewise.
5269         * tree-mudflap.c (mf_decl_cache_locals,
5270         mf_build_check_statement_for): Likewise.
5271         * tree-nested.c (init_tmp_var, save_tmp_var,
5272         finalize_nesting_tree_1): Likewise.
5273         * tree-outof-ssa.c (insert_copy_on_edge,
5274         insert_backedge_copies): Likewise.
5275         * tree-profile.c (tree_gen_edge_profiler,
5276         tree_gen_ic_profiler): Likewise.
5277         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5278         * tree-sra.c (sra_build_assignment): Likewise.
5279         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5280         * tree-ssa-math-opts.c (insert_reciprocals,
5281         execute_cse_sincos_1): Likewise.
5282         * tree-tailcall.c (adjust_accumulator_values,
5283         adjust_return_value): Likewise.
5284         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5285         * tree-vect-transform.c (vect_create_data_ref_ptr,
5286         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5287         vect_create_epilog_for_reduction, vectorizable_reduction,
5288         vectorizable_call, vectorizable_conversion,
5289         vectorizable_assignment, vectorizable_operation,
5290         vectorizable_type_demotion, vect_gen_widened_results_half,
5291         vect_permute_store_chain, vectorizable_store,
5292         vect_setup_realignment, vect_permute_load_chain,
5293         vectorizable_load, vectorizable_condition,
5294         vect_create_cond_for_align_checks): Likewise.
5295         * tree-vrp.c (build_assert_expr_for): Likewise.
5296
5297 2007-03-08  Ian Lance Taylor  <iant@google.com>
5298
5299         * tree-vrp.c: Include "intl.h".
5300         (usable_range_p): New static function.
5301         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5302         overflowed values, juts set *strict_overflow_p.
5303         (compare_values): Only return -2 if one of the operands is not a
5304         constant.
5305         (compare_ranges): Call usable_range_p.
5306         (compare_range_with_value): Likewise.
5307         (vrp_evaluate_conditional_warnv): Rename from
5308         vrp_evaluate_conditional.  Make static.  Change all callers.
5309         (vrp_evaluate_conditional): New function.
5310         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5311         on signed overflow.
5312         (simplify_abs_using_ranges): Likewise.
5313         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5314         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5315         within_stmt parameter.
5316         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5317         vrp_evaluate_conditional.
5318         * tree-ssa-threadedge.c
5319         (record_temporary_equivalences_from_stmts_at_dest): Change
5320         simplify parameter to take a second tree parameter.
5321         (simplify_control_stmt_condition): Likewise.
5322         (thread_across_edge): Likewise.
5323         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5324         (thread_across_edge): Likewise.
5325         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5326
5327 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5328
5329         * config/i386/i386.h (TARGET_SAHF): New define.
5330         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5331         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5332         (x86_sahf): New global variable.
5333         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5334         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5335         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5336         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5337         for 64-bit.
5338         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5339         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5340         when expanding fcomi/sahf based tests.
5341         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5342         expanding sahf based alternative. Emit sahf based sequence when
5343         optimizing for code size.
5344         * config/i386/i386.md (x86_sahf_1): Do not disable for
5345         TARGET_64BIT, enable for TARGET_SAHF.
5346
5347 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5348
5349         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5350         spurious whitespace from error message.
5351
5352 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5353
5354         PR c++/30852
5355         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5356
5357 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5358
5359         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5360         bitfields.
5361         * tree-sra.c (instantiate_element): Propagate disabled warnings
5362         from the element itself to the created variable.
5363
5364 2007-03-07  Richard Henderson  <rth@redhat.com>
5365
5366         PR target/30848
5367         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5368         silently fix up the stack in the case of a missing register.
5369
5370 2007-03-07  Paul Brook  <paul@codesourcery.com>
5371
5372         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5373
5374 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5375
5376         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5377         New.
5378         (phase1_vrs): Use them.
5379         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5380         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5381         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5382         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5383         __gnu_Unwind_Restore_WMMXC if required.
5384         (_Unwind_VRS_Pop): Implement iWMMXt support.
5385         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5386         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5387         gnu_Unwind_Save_WMMXC): Define.
5388
5389 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5390
5391         * config/vxworks.h (vxworks_override_options): Declare.
5392         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5393         * config/vxworks.c: Include target.h and toplev.h.
5394         (vxworks_override_options): New function.
5395         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5396
5397 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5398
5399         * config/s390/s390.c (override_options): Don't emit an error when
5400         -mstack-size is used without providing -mstack-guard.
5401         (s390_emit_prologue): Choose stack_guard value automatically if not
5402         provided via command line.
5403         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5404
5405 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5406
5407         * config/i386/i386.c (output_set_got): Add a GOT initialization
5408         sequence for VxWorks PIC.
5409         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5410         around labels as well as symbols.  Use gotoff_operand instead
5411         of local_symbolic_operand.
5412         (legitimize_pic_address): Use gotoff_operand instead of
5413         local_symbolic_operand.  Use @GOT accesses for labels as
5414         well as symbols.
5415         (ix86_output_addr_diff_elt): Use PC-relative rather than
5416         GP-relative offsets for VxWorks PIC.
5417         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5418         no_new_pseudos.  Check whether the returned register is op0.
5419         * config/i386/i386.md (tablejump): Use PC-relative rather than
5420         GP-relative offsets for VxWorks PIC.
5421         * config/i386/predicates.md (gotoff_operand): New predicate.
5422
5423 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5424
5425         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5426         before defining.
5427         * config/vxworks-dummy.h: New file.
5428         * config/i386/i386.h: Include it.
5429
5430 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5431
5432         * dwarf2out.c (is_inlined_entry_point): New
5433         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5434         DW_AT_ranges if the first subblock is the entry point.
5435
5436 2007-03-06  David Daney  <ddaney@avtrex.com>
5437
5438         * doc/install.texi (mips-*-*): Change recommended binutils
5439         version.
5440
5441 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5442
5443         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5444         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5445         devices.
5446         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5447         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5448
5449 2007-03-06  Jan Hubicka  <jh@suse.cz>
5450
5451         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5452         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5453         are hot.
5454         (probably_cold_bb_p): Cold functions are cold.
5455         (probably_never_executed_bb_p): Cold functions are cold.
5456         (tree_bb_level_predictions): Predict calls to cold functions as not
5457         taken.
5458         (compute_function_frequency): Check hot/cold attributes.
5459         * function.h (function_frequency): Update comments.
5460         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5461         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5462         (c_common_att): Add cold and hot.
5463
5464         * doc/extend.texi (hot,cold attributes): Document.
5465
5466 2007-03-06  Andrew Haley  <aph@redhat.com>
5467
5468         * function.c (expand_function_end): Move blockage to just after we
5469         emit the label for the naked return from the function.
5470
5471 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5472
5473         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5474         before redefining.
5475
5476 2007-03-06  Jan Hubicka  <jh@suse.cz>
5477
5478         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5479         loaded for constant large models.  Non-large 64bit PIC can do.
5480         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5481         * cmodel.h: Add LARGE PIC.
5482         * i386.md (UNSPEC_PLTOFF): New.
5483         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5484         needed.
5485         (*call_1_rex64): Disable for large models.
5486         (*call_1_rex64_large): New.
5487         (*call_value_1_rex64): Disable for large models.
5488         (*call_value_1_rex64_large): New.
5489         (set_rip_rex4): New.
5490         (set_got_offset_rex64): New.
5491         * predicates.md (constant_call_address_operand): For large model
5492         constant calls are not possible.
5493         * i386-protos.h (construct_plt_address): Declare.
5494         * i386.c (override_options): Accept large models.
5495         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5496         (legitimate_constant_p): Add new UNSPECs.
5497         (legitimate_pic_operand_p): Likewise.
5498         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5499         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5500         non-large model.
5501         (output_pic_addr_const): Add PLTOFF.
5502         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5503         (ix86_expand_move): Legitimize pic address when in PIC mode.
5504         (construct_plt_address): New function.
5505         (ix86_expand_call): Offload the address to register and use GOT pointer
5506         for large model.
5507         * invoke.texi (mcmodel=large): Update documentation.
5508
5509 2007-03-06  Richard Henderson  <rth@redhat.com>
5510
5511         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5512         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5513         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5514         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5515         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5516         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5517         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5518         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5519         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5520         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5521         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5522         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5523         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5524         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5525         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5526         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5527         x86_schedule, x86_use_bt, x86_pad_returns,
5528         x86_use_xchgb): Merge into ...
5529         (ix86_tune_features): ... here.  New array.
5530         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5531         x86_bswap): Merge into ...
5532         (ix86_arch_features): ... here.  New array.
5533         (x86_3dnow_a): Remove.
5534         (x86_accumulate_outgoing_args): Make static.
5535         (x86_arch_always_fancy_math_387): Make static.
5536         (ix86_tune_mask, ix86_arch_mask): Move ...
5537         (override_options): ... to local variables here.  Apply the
5538         appropriate mask to each element of ix86_arch_features and
5539         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5540         as were done in the old macros.
5541         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5542         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5543         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5544         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5545         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5546         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5547         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5548         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5549         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5550         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5551         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5552         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5553         x86_accumulate_outgoing_args, x86_prologue_using_move,
5554         x86_epilogue_using_move, x86_decompose_lea,
5555         x86_arch_always_fancy_math_387, x86_shift1,
5556         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5557         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5558         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5559         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5560         x86_use_incdec, x86_pad_returns, x86_bswap,
5561         x86_partial_flag_reg_stall): Remove.
5562         (enum ix86_tune_indices): New.
5563         (ix86_tune_features): New.
5564         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5565         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5566         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5567         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5568         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5569         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5570         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5571         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5572         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5573         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5574         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5575         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5576         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5577         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5578         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5579         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5580         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5581         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5582         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5583         TARGET_EXT_80387_CONSTANTS): Use it.
5584         (enum ix86_arch_indices): New.
5585         (ix86_arch_features): New.
5586         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5587         TARGET_BSWAP): Use it.
5588         (ix86_tune_mask, ix86_arch_mask): Remove.
5589
5590 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5591
5592         PR bootstrap/31020
5593         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5594         Define using $${sysroot_headers_suffix}.
5595         * configure: Regenerate.
5596         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5597         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5598         defined.
5599         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5600         * gcc.c (print_sysroot_headers_suffix): New.
5601         (option_map): Include --print-sysroot-headers-suffix.
5602         (display_help): Mention -print-sysroot-headers-suffix.
5603         (process_command): Handle -print-sysroot-headers-suffix.
5604         (do_spec_1): Append multilib directory to include-fixed path if
5605         sysroot suffixes in use.
5606         (main): Handle -print-sysroot-headers-suffix.
5607         * Makefile.in (start.encap): Don't depend on xlimits.h
5608         (xlimits.h): Remove.
5609         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5610         limits.h for each multilib in fixinc_list.
5611         (fixinc_list, s-fixinc_list): New.
5612         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5613         generate them for each multilib in fixinc_list.
5614         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5615         multilib in fixinc_list.
5616         (mostlyclean): Don't remove xlimits.h.
5617         (clean): Remove include-fixed.
5618         (real-install-headers-tar, real-install-headers-cpio,
5619         real-install-headers-cp): Don't copy include, only include-fixed.
5620         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5621         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5622         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5623         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5624
5625 2007-03-06  Jan Hubicka  <jh@suse.cz>
5626
5627         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5628         NANs easilly.
5629
5630 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5631
5632         * configure.ac: Allow tm_file to contain build-directory files.
5633         * configure: Regenerate.
5634         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5635         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5636         * config/m68k/print-sysroot-suffix.sh: New file.
5637
5638 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5639
5640         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5641         of pic_offset_table_rtx if reload_completed.
5642         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5643         PIC_OFFSET_TABLE_REGNUM.
5644         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5645         return true.
5646         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5647         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5648
5649 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5650
5651         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5652         functions that call eh_return.
5653
5654 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5655
5656         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5657         functions that need a constant pool.
5658
5659 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5660
5661         PR target/28181
5662         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5663         (m68k_preferred_reload_class): Likewise.
5664         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5665         (SECONDARY_RELOAD_CLASS): Define.
5666         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5667         (LIMIT_RELOAD_CLASS): Delete.
5668         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5669         registers from storing bytes.
5670         (m68k_secondary_reload_class): New function.
5671         (m68k_preferred_reload_class): Likewise.
5672
5673 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5674
5675         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5676         leaf functions.
5677         (m68k_expand_prologue): Likewise.
5678
5679 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5680
5681         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5682         (mips_expand_epilogue): Add a bool parameter.
5683         (m68k_legitimize_sibcall_address): Declare.
5684         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5685         (m68k_expand_epilogue): Add a parameter to select between sibling
5686         and normal epilogues.  Only generate a return for the latter.
5687         (m68k_ok_for_sibcall_p): New function.
5688         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5689         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5690         (sibcall_value, *sibcall_value): Likewise.
5691         (*call, *call_value): Require !SIBLING_CALL_P.
5692         (epilogue): Update call to m68k_expand_epilogue.
5693         (sibcall_epilogue): New pattern.
5694         * config/m68k/predicates.md (const_call_operand): Say that this
5695         predicate applies to sibling calls too.
5696         (sibcall_operand): New predicate.
5697
5698 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5699
5700         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5701         alternatives as movsi_cf.
5702         (movsf_cf_hard): Add commentary.
5703
5704 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5705             Richard Sandiford  <richard@codesourcery.com>
5706
5707         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5708         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5709         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5710         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5711         as being live on exit from an interrupt function.
5712         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5713         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5714         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5715         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5716         (m68k_interrupt_function_p): Globalize.
5717         (m68k_compute_frame_layout): Remove reverse mask code.
5718         (m68k_emit_movem, m68k_set_frame_related): New functions.
5719         (m68k_output_function_prologue): Delete in favor of...
5720         (m68k_expand_prologue): ...this new function.
5721         (m68k_output_function_epilogue): Delete in favor of...
5722         (m68k_expand_epilogue): ...this new function.
5723         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5724         functions.
5725         (print_operand): Handle %?.
5726         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5727         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5728         (prologue, epilogue): New patterns.
5729         (return): Turn into a define_expand.
5730         (*return): New pattern, derived from old "return" pattern.  Use rte
5731         rather than rts for interrupt functions.  Only use rtd if the pop
5732         count is nonzero.
5733         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5734         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5735         (link, *link, unlink, *unlink, load_got): Likewise.
5736
5737 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5738
5739         PR target/23482
5740         PR target/17114
5741         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5742         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5743         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5744         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5745         and m68k_matches_u_p.
5746         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5747         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5748         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5749         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5750         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5751         (REG_STRICT_P): New macro.
5752         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5753         PCREL_GENERAL_OPERAND_OK.
5754         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5755         m68k_legitimate_base_reg_p.
5756         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5757         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5758         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5759         * config/m68k/m68k.c (m68k_address): New structure.
5760         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5761         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5762         (m68k_jump_table_ref_p, m68k_decompose_address)
5763         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5764         (m68k_matches_u_p): New functions.
5765         (print_operand_address): Rewrite to use m68k_decompose_index.
5766
5767 2007-03-05  David Taylor  <dtaylor@emc.com>
5768
5769         * gcc.c: Correct copyright date in --version output.
5770
5771 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5772
5773         * pa.md: In unamed move patterns, disparge copies between general
5774         and floating point registers using '?' modifier.  Don't include 'f'
5775         constraint for register preferences in DImode, SImode, HImode and
5776         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5777         Remove constraints for copies between general and floating registers
5778         in soft-float DFmode pattern.
5779         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5780         floating register.
5781         (movsf): Likewise.
5782
5783 2007-03-05  Mike Stump  <mrs@apple.com>
5784
5785         * c-common.c (targetcm): Add.
5786         * c-opts.c (c_common_handle_option): Handle language specific
5787         target options.
5788         * opts.c (handle_option): Verify language for target options, if
5789         any are given.
5790         * opth-gen.awk: Add CL_LANG_ALL.
5791         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5792         (TARGETCM_INITIALIZER): Add.
5793         * target.h (struct gcc_targetcm): Add.
5794         (targetcm): Add.
5795         * targhooks.c (default_handle_c_option): Add.
5796         * targhooks.h (default_handle_c_option): Add.
5797         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5798
5799         * config/darwin.opt (iframework): Add.
5800         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5801         * config/darwin-c.c (handle_c_option): Add.
5802         (TARGET_HANDLE_C_OPTION): Add.
5803         (targetcm): Add.
5804         * doc/invoke.texi (Darwin Options): Add -iframework.
5805
5806 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5807
5808         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5809         conversion.
5810
5811 2007-03-05  Ian Lance Taylor  <iant@google.com>
5812
5813         * c.opt (fgnu89-inline): New option.
5814         * c-opts.c (c_common_post_options): Set default value for
5815         flag_gnu89_inline.
5816         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5817         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5818         inline functions.
5819         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5820         (grokdeclarator, start_function): Likewise.
5821         * c-cppbuiltin.c (c_cpp_builtins): Define either
5822         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5823         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5824         (C Dialect Options): Document -fgnu89-inline.
5825         * doc/extend.texi (Function Attributes): Explain what the
5826         gnu_inline attribute does.
5827         * doc/cpp.texi (Common Predefined Macros): Document
5828         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5829
5830 2007-03-05  Ian Lance Taylor  <iant@google.com>
5831
5832         PR tree-optimization/31034
5833         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5834         half-range if the other side is an overflow infinity.
5835
5836 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5837
5838         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5839         (bfin*-linux-uclibc*): New configuration.
5840         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5841         defining.
5842         * config/bfin/linux.h: New file.
5843         * config/bfin/libgcc-bfin.ver: New file.
5844         * config/bfin/t-bfin-uclinux: New file.
5845         * config/bfin/t-bfin-linux: New file.
5846         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5847         (TARGET_OS_CPP_BUILTINS): New macro.
5848
5849 2007-03-05  Richard Guenther  <rguenther@suse.de>
5850
5851         * fold-const.c (fold_binary): Remove duplicate folding
5852         of comparison of non-null ADDR_EXPR against null.
5853
5854 2007-03-05  Richard Guenther  <rguenther@suse.de>
5855             Dorit Nuzman  <dorit@il.ibm.com>
5856
5857         PR tree-optimization/26420
5858         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5859         are no loops in the function.  Only print the number of
5860         vectorized loops if it is greater than zero or we are supposed
5861         to print information about unvectorized loops.
5862
5863 2007-03-05  Revital Eres  <eres@il.ibm.com>
5864
5865         * gcc.dg/var-expand1.c: New test.
5866         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5867         when an accumulator is expanded.
5868
5869 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5870
5871         PR other/30465
5872         * c-common.c (convert_and_check): Don't give warnings for
5873         conversion if 'expr' already overflowed.
5874
5875 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5876
5877         PR middle-end/30744
5878         * fold-const.c (fold_comparison): Enforce type consistency when
5879         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5880
5881 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5882
5883         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5884         containing a cast to the base of TARGET_MEM_REF.
5885
5886 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5887
5888         * tree.c (tree_contains_struct_check_failed): Remove spurious
5889         whitespace from error message.
5890
5891 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5892
5893         PR target/30406
5894         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5895         instead of precision.
5896
5897 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5898             Nathan Sidwell  <nathan@codesourcery.com>
5899
5900         * emit-rtl.c (find_auto_inc): New.
5901         (try_split): recreate REG_INC notes,
5902         Use regular for loops rather than whiles.
5903
5904 2007-03-03  Andreas Schwab  <schwab@suse.de>
5905
5906         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5907         * configure: Regenerate.
5908
5909 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5910
5911         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5912         flag_rounding_math, not flag_unsafe_math_optimizations.
5913
5914         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5915         fold_build2.
5916         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5917         alpha_fold_vector_minmax): Likewise.
5918         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5919         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5920
5921 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5922
5923         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5924         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5925         if the lhs has side-effects.
5926         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5927
5928 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5929
5930         * config/i386/i386.h (TUNEMASK): Remove define.
5931         (ARCHMASK): Remove define.
5932         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5933          Use ix86_arch_mask variable instead of ARCHMASK.
5934         * config/i386/i386.c (override_options): Ditto.
5935         (standard_80387_constant_p): Ditto.
5936
5937 2007-03-02  Ian Lance Taylor  <iant@google.com>
5938
5939         Used signed infinities in VRP.
5940         * tree-vrp.c (uses_overflow_infinity): New static function.
5941         (supports_overflow_infinity): New static function.
5942         (make_overflow_infinity): New static function.
5943         (negative_overflow_infinity): New static function.
5944         (positive_overflow_infinity): New static function.
5945         (is_negative_overflow_infinity): New static function.
5946         (is_positive_overflow_infinity): New static function.
5947         (is_overflow_infinity): New static function.
5948         (overflow_infinity_range_p): New static function.
5949         (compare_values_warnv): New function split out of compare_values.
5950         (compare_value): Call it.
5951         (set_value_range_to_nonnegative): Add overflow_infinity
5952         parameter.  Change caller.
5953         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5954         Change callers.
5955         (vrp_expr_computes_nonzero): Likewise.
5956         (compare_ranges, compare_range_with_value): Likewise.
5957         (compare_name_with_value, compare_names): Likewise.
5958         (vrp_evaluate_conditional): Likewise.
5959         (set_value_range): Handle infinity
5960         (vrp_operand_equal_p, operand_less_p): Likewise.
5961         (extract_range_from_assert): Likewise.
5962         (vrp_int_const_binop): Likewise.
5963         (extract_range_from_binary_expr): Likewise.
5964         (extract_range_from_unary_expr): Likewise.
5965         (extract_range_from_comparison): Likewise.
5966         (extract_range_from_expr): Likewise.
5967         (dump_value_range): Likewise.
5968         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5969         (test_for_singularity): Likewise.
5970         (vrp_int_const_binop): Remove inline qualifier.
5971         (adjust_range_with_scev): Add comment.
5972         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5973
5974 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5975
5976         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5977         (get_constraint_for): Likewise.
5978         (do_structure_copy): Likewise.
5979         (find_func_aliases): Fix references to MODIFY_EXPR.
5980         (intra_create_variable_infos): Tidy.
5981         * tree-ssa-operands.c (add_virtual_operand): Add argument
5982         IS_CALL_SITE.
5983         When adding members of alias sets, if IS_CALL_SITE is true and
5984         the symbol is not call-clobbered, skip it.
5985         Adjust all callers.
5986
5987 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5988
5989         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5990         entry by means of emit_insn_at_entry.
5991
5992 2007-03-02  Richard Henderson  <rth@redhat.com>
5993
5994         * expr.h (promoted_input_arg): Remove decl.
5995         * function.c (promoted_input_arg): Merge into ...
5996         * combine.c (setup_incoming_promotions): ... only caller.
5997         Rearrange to avoid double loop.
5998
5999 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6000             Peter Bergner  <bergner@vnet.ibm.com>
6001             Janis Johnson  <janis187@us.ibm.com>
6002
6003         * config/rs6000/dfp.md: New file.
6004         * config/rs6000/rs6000.md: Include dfp.md.
6005         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6006         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6007         and TDmode decimal float modes in FP registers.
6008         (num_insns_constant): Likewise.
6009         (rs6000_legitimate_offset_address_p): Likewise.
6010         (rs6000_legitimize_address): Likewise.
6011         (rs6000_legitimize_reload_address): Likewise.
6012         (rs6000_legitimate_address): Likewise.
6013         (rs6000_emit_move): Likewise.
6014         (function_arg_boundary): Likewise.
6015         (function_arg_advance): Likewise.
6016         (rs6000_darwin64_record_arg_recurse): Likewise.
6017         (function_arg): Likewise.
6018         (rs6000_gimplify_va_arg): Likewise.
6019         (rs6000_split_multireg_move): Likewise.
6020         (rs6000_output_function_epilogue): Likewise.
6021         (rs6000_output_function_epilogue): Likewise.
6022         (rs6000_register_move_cost): Likewise.
6023         (rs6000_function_value): Likewise.
6024         (rs6000_libcall_value): Likewise.
6025
6026 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6027
6028         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6029
6030 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6031
6032         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6033         Use $MULTIDIR to choose between the kernel and RTP headers,
6034         and use $WIND_BASE and $WIND_USR to locate them.
6035
6036 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6037
6038         * config/i386/i386.c (override_options): Put initialization of
6039         ix86_tune_mask and ix86_arch_mask to the correct place.
6040
6041 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6042             Michael Meissner  <michael.meissner@amd.com>
6043
6044         PR target/31019
6045         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6046         (ARCHMASK): Define.
6047         (TARGET_CMOVE): Use ARCHMASK.
6048         (TARGET_CMPXCHG): Ditto.
6049         (TARGET_CMPXCHG8B): Ditto.
6050         (TARGET_XADD): Ditto.
6051         (TARGET_BSWAP): Ditto.
6052         * config/i386/i386.c (ix86_tune_mask): New global variable.
6053         (ix86_arch_mask): Ditto.
6054         (override_options): Initialize ix86_tune_mask and
6055         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6056         target_flags.
6057
6058 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6059
6060         PR 30992
6061         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6062
6063 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6064
6065         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6066         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6067         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6068         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6069         hook.
6070         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6071         rs6000_init_dwarf_reg_sizes_extra): New.
6072         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6073         SPE register high parts.
6074
6075 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6076
6077         * Makefile.in: Add install-pdf target as
6078         copied from automake v1.10 rules.
6079         * configure.ac: Add install-pdf to target list.
6080         * configure: Regenerate.
6081
6082 2007-03-01  Paul Brook  <paul@codesourcery.com>
6083
6084         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6085         modes to LDRD for DImode.
6086         (output_move_double): Fixup out of range ldrd/strd.
6087         (vfp_secondary_reload_class): Rename...
6088         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6089         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6090         coproc_secondary_reload_class for CLASS_IWMMXT.
6091         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6092         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6093
6094 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6095
6096         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6097         factor by the estimated number of iterations.
6098         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6099         prefetch latency.
6100
6101         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6102         decode_caches_intel, detect_caches_intel): New functions.
6103         (host_detect_local_cpu): Use detect_caches_amd and
6104         detect_caches_intel.
6105
6106 2007-03-01  Richard Henderson  <rth@redhat.com>
6107
6108         * expr.c (emit_move_complex_push): Export.
6109         (emit_move_complex_parts): Split out from ...
6110         (emit_move_complex): ... here.
6111         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6112         * config/i386/i386.md (movcdi): New.
6113
6114 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6115
6116         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6117         size of mode1 to check for tieable modes in MMX case.
6118
6119 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6120
6121         * Makefile.in (rtlanal.o): Depend on tree.h.
6122         * rtl.h (offset_within_section_p, split_const): Declare.
6123         * rtlanal.c: Include tree.h.
6124         (offset_within_block_p): New function, taken from
6125         mips_offset_within_object_p.
6126         (split_const): New function, taken from mips_split_const.
6127         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6128         Declare.
6129         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6130         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6131         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6132         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6133         (m68k_illegitimate_symbolic_constant_p): New function.
6134         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6135         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6136         symbolic constant that might be outside the symbol's section,
6137         move the symbol first and then add the offset.
6138         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6139         Override.
6140         * config/mips/mips.c (mips_split_const): Delete.
6141         (mips_offset_within_object_p): Delete.
6142         (mips_symbolic_constant_p): Use offset_within_section_p and
6143         split_const instead of mips_offset_within_object_p and
6144         mips_split_const.
6145         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6146         (mips_legitimize_const_move, print_operand_reloc)
6147         (mips_dangerous_for_la25_p): Use split_const instead of
6148         mips_split_const.
6149
6150 2007-02-28  Eric Christopher  <echristo@apple.com>
6151
6152         * Makefile.in (install-include-dir): Don't rm -rf include.
6153
6154 2007-02-28  Richard Guenther  <rguenther@suse.de>
6155
6156         PR middle-end/30364
6157         * fold-const.c (fold_binary): Do not associate expressions
6158         with more than one variable for integer types that do not wrap.
6159
6160 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6161
6162         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6163         Delete, and replace with...
6164         (fold_builtin_call_array): This.  Update callers to use it.
6165         * fold-const.c (fold_build_call_list): Delete, and replace with...
6166         (fold_build_call_array): This.
6167         (fold_build_call_list_initializer): Delete, and replace with...
6168         (fold_build_call_array_initializer): This.
6169         * tree.h: Update declarations to reflect above changes.
6170
6171         * c-typeck.c (build_function_call): Store converted arguments
6172         in a stack-allocated array instead of building a list.
6173         (convert_arguments): Store arguments in the array passed in as an
6174         argument, and return the actual number of arguments.
6175         * c-format.c: (check_function_format): Pass arguments in an
6176         array instead of a list.
6177         * c-common.c (check_function_nonnull): Likewise.
6178         (check_function_sentinel): Likewise.
6179         (check_function_arguments): Likewise.
6180         * c-common.h: Update declarations to reflect above changes.
6181
6182 2007-02-28  Jan Hubicka  <jh@suse.cz>
6183
6184         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6185         PRED_NEGATIVE_RETURN): Update outcomes.
6186
6187 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6188
6189         * calls.c (emit_library_call_value_1): Handle partial registers
6190         correctly when building up CALL_INSN_FUNCTION_USAGE.
6191
6192 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6193
6194         * pa/predicates.md (move_src_operand): Allow zero for mode.
6195         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6196         move pattern.
6197
6198 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6199
6200         PR target/30970
6201         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6202         *movv2df_internal): Enable pattern only for valid operand
6203         combinations.
6204         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6205         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6206
6207 2007-02-27  Mike Stump  <mrs@apple.com>
6208
6209         * config/darwin-crt3.c: Avoid compilation when compiling for a
6210         kext multilib.
6211
6212 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6213
6214         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6215         FIXED_INCLUDE_DIR.
6216         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6217         for fixed headers and limits.h.
6218         (install-include-dir, install-headers-tar, install-headers-cpio,
6219         install-headers-cp, real-install-headers-tar,
6220         real-install-headers-cpio, real-install-headers-cp): Handle
6221         include-fixed as well as include.
6222         (install-mkheaders): Don't install files that go only in include
6223         not include-fixed.
6224         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6225         from GCC_INCLUDE_DIR.
6226         * gcc.c (process_command): Remove special -BstageN/ handling.
6227         (do_spec_1): Add include-fixed directories.
6228
6229 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6230
6231         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6232         _smulsi3_highpart.
6233         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6234         New functions.
6235         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6236         patterns.
6237
6238 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6239
6240         * c-common.c (get_priority): Add check for
6241         SUPPORTS_INIT_PRIORITY.
6242
6243 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6244
6245         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6246
6247         * config/bfin/bfin.c: Include "cfglayout.h".
6248         (MAX_LSETUP_DISTANCE): New macro.
6249         (struct loop_info): New members incoming, incoming_src and
6250         incoming_dest.  Delete member predecessor.
6251         (length_for_loop): New function.
6252         (bfin_optimize_loop): Handle more different loop structures.
6253         (bfin_discover_loop): Rework detection of predecessor blocks by
6254         examining incoming edges.
6255         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6256         bfin_reorg_loops.
6257         (bfin_reorder_loops): New function.
6258         (bfin_reorg_loops): Use these three new functions.
6259
6260         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6261         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6262         (CONSTRAINT_LEN): Add entry for 'q'.
6263         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6264         Add 'q' constraints.
6265         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6266         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6267
6268         * config/bfin/bfin.md (add_with_carry): New pattern.
6269         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6270         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6271         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6272         support unsigned multiplies too.  Removed incorrect commutativity from
6273         operand 1 constraint where appropriate.
6274         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6275         patterns.
6276         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6277         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6278         New patterns.
6279         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6280         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6281         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6282         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6283         usmulhisi_hh_huh): New patterns.
6284
6285         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6286         lshifthi3): Fix output template to use half reg for operand 2.
6287
6288         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6289         instead of R2.
6290
6291         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6292
6293 2007-02-27  Andreas Schwab  <schwab@suse.de>
6294
6295         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6296
6297 2007-02-27  Jan Hubicka  <jh@suse.cz>
6298
6299         * predict.c (last_basic_block_p): Remove.
6300         (tree_estimate_probability): Update return heuristic for commonized
6301         return blocks.
6302
6303 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6304
6305         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6306
6307 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6308
6309         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6310         * doc/cpp.texi: Standardize title page.
6311         * doc/cppinternals.texi: Likewise.
6312         * doc/gcc.texi: Standardize title page, remove version number
6313         from copyright page.
6314         * doc/gccint.texi: Likewise.
6315         * doc/install.texi: Standardize title page, add table of
6316         contents.
6317
6318 2007-02-26  Jan Hubicka  <jh@suse.cz>
6319
6320         * predict.def: Set outcomes according to more recent results.
6321         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6322         Remove dead predictors.
6323         * predict.c (return_prediction): Fix pasto.
6324
6325 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6326
6327         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6328         change; avoid a memory leak when returning early.
6329
6330 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6331
6332         * c-decl.c (static_ctors): Move to c-common.c.
6333         (static_dtors): Likewise.
6334         (finish_function): Use c_record_cdtor_fn.
6335         (build_cdtor): Move to c-common.c.
6336         (c_write_global_declarations): Use c_build_cdtor_fns.
6337         * c-common.h (static_ctors): Declare.
6338         (static_dtors): Likewise.
6339         (c_record_cdtor_fn): Likewise.
6340         (c_build_cdtor_fns): Likewise.
6341         * c-common.c (static_ctors): New variable.
6342         (static_dtors): Likewise.
6343         (c_record_cdtor_fn): New function.
6344         (build_cdtor): Move from c-decl.c
6345         (c_build_cdtor_fns): New function.
6346
6347         * output.h (assemble_addr_to_section): Declare.
6348         (get_cdtor_priority_section): Likewise.
6349         * varasm.c (assemble_addr_to_section): New function.
6350         (get_cdtor_priority_section): Likewise.
6351         (default_named_section_asm_out_destructor): Use them.
6352         (destor_dtor_section_asm_out_destructor): Likewise.
6353         (default_named_section_asm_out_constructor): Likewise.
6354         (default_ctor_section_asm_out_constructor): Likewise.
6355         * config.gcc (*-*-vxworks*): Include vxworks.o.
6356         * config/t-vxworks (vxworks.o): New target.
6357         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6358         (TARGET_ASM_CONSTRUCTOR): Define.
6359         (TARGET_ASM_DESTRUCTOR): Likewise.
6360         (vxworks_asm_out_constructor): Declare.
6361         (vxworks_asm_out_destructor): Likewise.
6362
6363         * c-common.c (get_priority): Check that we have not just an
6364         INTEGER_CST, but an integer constant with integeral type.
6365
6366 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6367
6368         PR tree-optimization/30938
6369         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6370         use &dt[nargs-1] instead of &dt[nargs] in the call to
6371         vect_is_simple_use().
6372
6373 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6374
6375         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6376         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6377         Do not attempt to handle MEM inside auto-inc expressions.
6378         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6379         of a register modified by an auto-inc expression.  However, do handle
6380         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6381         (elimination_effects): Prohibit elimination of a register modified
6382         by an auto-inc expression.  Disable register elimination rules whose
6383         target register is modified by an auto-inc expression with variable
6384         increment.
6385
6386 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6387
6388         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6389         off-by-one error.
6390         (array_at_struct_end_p): New function.
6391         (idx_infer_loop_bounds): Use it.
6392         (estimate_numbers_of_iterations_loop): Export.
6393         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6394         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6395         (tree_estimate_probability): Call record_loop_exits.
6396         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6397         (estimated_loop_iterations, estimated_loop_iterations_int,
6398         estimated_loop_iterations_tree): New functions.
6399         (analyze_siv_subscript_cst_affine,
6400         compute_overlap_steps_for_affine_1_2,
6401         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6402         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6403         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6404         (PRED_LOOP_ITERATIONS_GUESSED): New.
6405         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6406         * cfgloop.h (estimate_numbers_of_iterations_loop,
6407         estimated_loop_iterations_int): Declare.
6408
6409 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6410
6411         * doc/extend.texi: Document optional priority argument to
6412         constructors and destructors.
6413         * tree.c (init_priority_for_decl): Adjust GTY markers.
6414         (init_ttree): Use priority-info hash functions for
6415         init_priority_for_decl.
6416         (tree_map_eq): Rename to ...
6417         (tree_map_base_eq): ... this.
6418         (tree_map_marked_p): Rename to ...
6419         (tree_map_base_marked_p): ... this.
6420         (tree_map_base_hash): New function.
6421         (decl_init_priority_lookup): Rework.
6422         (decl_fini_priority_lookup): New function.
6423         (decl_priority_info): New function.
6424         (decl_init_priority_insert): Use it.
6425         (decl_fini_priority_insert): Likewise.
6426         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6427         hierarchy.
6428         (decl_restrict_base_insert): Likewise.
6429         (decl_debug_expr_insert): Likewise.
6430         (decl_value_expr_lookup): Likewise.
6431         (decl_value_expr_insert): Likewise.
6432         * tree.h (priority_type): New type.
6433         (decl_init_priority_lookup): Use priority_type.
6434         (decl_fini_priority_lookup): New function.
6435         (decl_init_priority_insert): Use priority_type.
6436         (decl_fini_priority_insert): New function.
6437         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6438         (DECL_INIT_PRIORITY): Likewise.
6439         (SET_DECL_INIT_PRIORITY): Add comment.
6440         (DECL_FINI_PRIORITY): New macro.
6441         (SET_DECL_FINI_PRIORITY): Likewise.
6442         (DEFAULT_INIT_PRIORITY): Document.
6443         (MAX_INIT_PRIORITY): Likewise.
6444         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6445         (tree_map_base): New type.
6446         (tree_map_base_eq): New function.
6447         (tree_map_base_hash): Likewise.
6448         (tree_map_base_marked_p): Likewise.
6449         (tree_map): Inherit from tree_map_base.
6450         (tree_map_eq): Make it a macro.
6451         (tree_map_marked_p): Likewise.
6452         (tree_int_map): Inherit from tree_map_base.
6453         (tree_int_map_eq): Make it a macro.
6454         (tree_int_map_hash): Likewise.
6455         (tree_int_map_marked_p): Likewise.
6456         (tree_priority_map): New type.
6457         (tree_priority_map_eq): New macro.
6458         (tree_priority_map_hash): Likewise.
6459         (tree_priority_map_marked_p): Likewise.
6460         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6461         hierarchy.
6462         (emutls_common_1): Likewise.
6463         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6464         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6465         of tree_map hierarchy.
6466         * tree-cfg.c (move_stmt_r): Likewise.
6467         (new_label_mapper): Likewise.
6468         * c-tree.h (c_expand_body): Move to ...
6469         * c-common.h (c_expand_body): ... here.
6470         * c-decl.c (c_expand_body): Move to ...
6471         * c-common.c (c_expand_body): ... here.
6472         (c_common_attribute_table): Allow 1 argument for the constructor
6473         and destructor attributes.
6474         (get_priority): New function.
6475         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6476         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6477
6478 2007-02-24  Jan Hubicka  <jh@suse.cz>
6479
6480         PR middle-end/30509
6481         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6482
6483 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6484             Jan Hubicka  <jh@suse.cz>
6485
6486         PR target/30778
6487         * i386.c (counter_mode): New function.
6488         (expand_set_or_movmem_via_loop): Use it.
6489         (expand_movmem_epilogue): Likewise; fix pasto.
6490         (ix86_expand_movmem): Do emit guard even for constant counts.
6491         (ix86_expand_setmem): Likewise.
6492
6493 2007-02-25  Nick Clifton  <nickc@redhat.com>
6494
6495         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6496         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6497
6498 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6499
6500         PR target/30770
6501         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6502         count argument with 0x10, not with 0x16.
6503         (expand_setmem_epilogue): Ditto.
6504
6505 2007-02-24  Mike Stump  <mrs@apple.com>
6506
6507         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6508         symbols.
6509
6510 2007-02-24  Richard Guenther  <rguenther@suse.de>
6511
6512         PR middle-end/30951
6513         * fold-const.c (fold_binary): Fold x +- CST op x for
6514         EQ_EXPR and NE_EXPR.
6515
6516 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6517
6518         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6519
6520 2007-02-24  Jan Hubicka  <jh@suse.cz>
6521
6522         * cgraphunit.c (decide_is_function_needed): Honor
6523         -fkeep-inline-functions.
6524
6525 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6526
6527         * builtins.c (fold_builtin_modf): New.
6528         (fold_builtin_2): Use it.
6529
6530 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6531
6532         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6533         (determine_max_iter): Take additional LOOP arg; all callers changed.
6534         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6535         one using simplifications.
6536         (simplify_using_initial_values): Return if the expression becomes
6537         invalid due to altered regs.
6538
6539 2007-02-23  DJ Delorie  <dj@redhat.com>
6540
6541         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6542
6543 2007-02-23  Mike Stump  <mrs@apple.com>
6544
6545         * tlink.c (scan_linker_output): Parse linker messages from
6546         darwin9's linker better.
6547
6548 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6549
6550         PR debug/29614
6551         * varpool.c (varpool_assemble_pending_decls):  Set
6552         varpool_last_needed_node to null.
6553
6554 2007-02-23  DJ Delorie  <dj@redhat.com>
6555
6556         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6557         alignment bigger than the object file can handle.
6558
6559 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6560
6561         PR target/30825
6562         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6563         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6564         (*movsf_1): Penalize MMX moves.
6565
6566 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6567
6568         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6569         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6570
6571         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6572
6573 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6574
6575         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6576         (fold_builtin_1): Use them.
6577         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6578         BUILT_IN_SIGNIFICAND.
6579
6580 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6581
6582         * config/i386/i386.c (bdesc_1arg): Initialize
6583         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6584         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6585         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6586         and IX86_BUILTIN_MOVSLDUP.
6587
6588 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6589
6590         PR rtl-optimization/30841
6591         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6592
6593 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6594
6595         * builtins.c (fold_builtin_frexp): New.
6596         (fold_builtin_2): Use it.
6597
6598 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6599
6600         * doc/invoke.texi (Spec Files): Document getenv spec function.
6601
6602         * gcc.c (getenv_spec_function): New function.
6603         (static_spec_functions): Add it.
6604         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6605         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6606         header files.
6607
6608 2007-02-22  Michael Matz  <matz@suse.de
6609
6610         PR c++/29433
6611         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6612         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6613
6614 2007-02-22  Ian Lance Taylor  <iant@google.com>
6615
6616         PR debug/30898
6617         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6618         (mem_loc_descriptor): Call it.
6619
6620 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6621             Ira Rosen  <irar@il.ibm.com>
6622
6623         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6624
6625 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6626
6627         PR tree-optimization/30843
6628         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6629         stores only after all the group is vectorized.
6630
6631 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6632
6633         PR tree-optimization/30858
6634         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6635         in the reduction cycle have a single use in the loop.
6636         * tree-vectorizer.h (relevant): Add documentation.
6637
6638 2007-02-20  Mike Stump  <mrs@apple.com>
6639
6640         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6641         * configure: Regenerate.
6642
6643 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6644
6645         Change the defaults of some parameters and options.
6646         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6647         * config/spu/spu.c (spu_optimization_options): Add.
6648         (spu_override_options): Change params in spu_optimization_options.
6649         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6650
6651         Register 127 is only 16 byte aligned when used as a frame pointer.
6652         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6653         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6654         HARD_FRAME_POINTER_REGNUM.
6655         (spu_legitimate_address):  Use regno_aligned_for_reload.
6656         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6657         aligned when frame_pointer_needed is true.
6658         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6659         to 8 bits.
6660         * config/spu/spu.h (INIT_EXPANDERS): Define.
6661
6662         Make sure shift and rotate instructions have valid immediate operands.
6663         * config/spu/predicates.md (spu_shift_operand): Remove.
6664         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6665         * config/spu/constraints.md (W, O): Extend range.
6666         * config/spu/spu.md (umask, nmask): Define.
6667         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6668         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6669         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6670         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6671         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6672         (lshr<mode>3_reg):  Fix rtl description.
6673
6674         Make sure mulhisi immediate operands are valid.
6675         * config/spu/predicates.md (imm_K_operand): Add.
6676         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6677
6678         Generate constants using fsmbi and andi.
6679         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6680         (print_operand, spu_split_immediate, classify_immediate,
6681         fsmbi_const_p): Handle IC_FSMBI2.
6682
6683         Correctly handle a CONST_VECTOR containing symbols.
6684         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6685         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6686         (immediate_load_p): Allow symbols that use 2 instructions to create.
6687         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6688         with symbols when flag_pic is set.
6689         (const_vector_immediate_p): New.
6690         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6691         accept a CONST_VECTOR with symbols.
6692         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6693         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6694         correctly.
6695         * config/spu/spu.md (high, low): Delete.
6696         (low_<mode>): Define.
6697
6698         Remove INTRmode and INTR_REGNUM, which didn't work.
6699         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6700         of INTR_REGNUM.
6701         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6702         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6703         peephole2 pattern): Don't use INTR or 131.
6704         (movintrcc): Delete.
6705         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6706         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6707         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6708         (UNSPEC_SET_INTR): Add.
6709         * config/spu/spu-modes.def (INTR): Remove.
6710
6711         More accurate warnings about run-time relocations.
6712         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6713
6714         Correctly warn about immediate arguments to specific intrinsics.
6715         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6716         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6717         the instruction predicate.
6718
6719         Fix tree check errors with latest update.
6720         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6721         CALL_EXPR_ARG.
6722         (spu_expand_builtin): Use CALL_EXPR_FN.
6723
6724         Add missing specific intrinsics.
6725         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6726         si_bislede.
6727         * config/spu/spu_internals.h: Ditto.
6728
6729         Fix incorrect operand modifiers.
6730         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6731         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6732
6733         Optimize one case of zero_extend of a vec_select.
6734         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6735
6736         Accept any immediate for hbr.
6737         * config/spu/spu.md (hbr):  Change s constraints to i.
6738
6739 2007-02-21  Paul Brook  <paul@codesourcery.com>
6740
6741         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6742         condexec_count when skipping USE and CLOBBER.
6743
6744 2007-02-21  Nick Clifton  <nickc@redhat.com>
6745
6746         * common.opt (Warray-bounds): Add Warning attribute.
6747         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6748         Likewise.
6749         (fsized-zeroes): Add Optimization attribute.
6750         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6751         * c.opt (Wc++0x-compat): Add Warning attribute.
6752
6753 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6754
6755         PR middle-end/30761
6756         * reload1.c (eliminate_regs_in_insn): In the single_set special
6757         case, attempt to re-recognize the insn before falling back to
6758         having reload fix it up.
6759
6760 2007-02-20  Eric Christopher  <echristo@gmail.com>
6761
6762         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6763         Rewrite accordingly.
6764         (frv_read_iacc_argument): Ditto.
6765         (frv_expand_set_builtin): Take a call instead of arglist, update for
6766         above changes.
6767         (frv_expand_unop_builtin): Ditto.
6768         (frv_expand_binop_builtin): Ditto.
6769         (frv_expand_cut_builtin): Ditto.
6770         (frv_expand_binopimm_builtin): Ditto.
6771         (frv_expand_voidbinop_builtin): Ditto.
6772         (frv_expand_int_void2arg): Ditto.
6773         (frv_expand_prefetches): Ditto.
6774         (frv_expand_voidtriop_builtin): Ditto.
6775         (frv_expand_voidaccop_builtin): Ditto.
6776         (frv_expand_load_builtin): Ditto.
6777         (frv_expand_store_builtin): Ditto.
6778         (frv_expand_mdpackh_builtin): Ditto.
6779         (frv_expand_mclracc_builtin): Ditto.
6780         (frv_expand_mrdacc_builtin): Ditto.
6781         (frv_expand_mwtacc_builtin): Ditto.
6782         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6783         calls for above.
6784
6785 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6786
6787         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6788         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6789         cmpb instruction.
6790         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6791         point instructions.
6792         * configure: Regenerate.
6793         * config.in: Regenerate.
6794         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6795         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6796         masks to power6 and power6x and to POWERPC_MASKS.
6797         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6798         _ARCH_PWR6.
6799         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6800         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6801         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6802         Access PROTOTYPE as variable, not mask.
6803
6804 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6805
6806         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6807         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6808         * combine.c (adjust_for_new_dest): Use it.
6809         * postreload.c (reload_combine): Likewise.
6810
6811 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6812
6813         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6814         notes on an insn with multiple sets, even if single_set returns
6815         non-NULL for that insn.
6816
6817 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6818
6819         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6820         scalbn and scalbln.
6821
6822 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6823
6824         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6825         if user didn't pass it.
6826         * config/i386/darwin.h (CC1_SPEC): Likewise.
6827         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6828         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6829         -mmacosx-version-min.
6830
6831 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6832             Uros Bizjak  <ubizjak@gmail.com>
6833
6834         * optabs.h (enum optab_index): Add new OTI_scalb.
6835         (scalb_optab): Define corresponding macro.
6836         * optabs.c (init_optabs): Initialize scalb_optab.
6837         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6838         patterns.
6839         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6840         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6841         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6842         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6843         flag_unsafe_math_optimizations is set.
6844
6845         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6846         to implement scalbf, scalb and scalbl built-ins as inline x87
6847         intrinsics.
6848
6849 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6850             DJ Delorie <dj@redhat.com>
6851
6852         PR other/30824
6853         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6854         (diagnostic_report_diagnostic): ... here, and turn them into real
6855         errors. If warnings are inhibited, no need to do anything.
6856
6857 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6858
6859         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6860         better code generation.
6861
6862 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6863
6864         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6865
6866 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6867
6868         * config/alpha/alpha.c, config/alpha/alpha.md,
6869         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6870         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6871         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6872         config/arm/lib1funcs.asm: Follow spelling conventions.
6873
6874         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6875         config/fr30/fr30.md, config/i386/i386.h,
6876         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6877         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6878         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6879         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6880         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6881         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6882         config/sparc/sparc.c, config/sparc/sparc.h,
6883         config/sparc/sparc.md, config/spu/constraints.md,
6884         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6885         conventions.
6886
6887 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6888
6889         PR target/29943
6890         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6891         alias attribute.
6892
6893 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6894
6895         * doc/invoke.texi (-ftree-lrs): Remove.
6896
6897 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6898
6899         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6900         NULL.
6901
6902 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6903
6904         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6905         new CALL_EXPR_FN macro for retrieving the function
6906         declaration of the input expression.
6907
6908 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6909
6910         * c.opt (Waddress): New.
6911         * common.opt (Walways-true): Delete.
6912         (Wstring-literal-comparison): Delete.
6913         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6914         -Wstring-literal-comparison. Add -Waddress.
6915         (Waddress): New.
6916         (Walways-true): Delete.
6917         (Wstring-literal-comparison): Delete.
6918         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6919         consistently instead of -Walways-true in example.
6920         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6921         * c-typeck.c (parser_build_binary_op): Replace
6922         -Wstring-literal-comparison and -Walways-true with -Waddress.
6923         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6924         with -Waddress.
6925
6926 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6927
6928         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6929         without DECL_STRUCT_FUNCTION initialized.
6930
6931 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6932
6933         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6934         due to calls to functions taking pointers as parameters.
6935
6936 2007-02-19  Richard Henderson  <rth@redhat.com>
6937
6938         PR debug/29558
6939         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6940         in memory.
6941
6942 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6943
6944         * config/s390/s390.c (s390_call_saved_register_used,
6945         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6946         accessed to the new scheme.
6947
6948 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6949
6950         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6951         (cris_print_index, cris_print_operand, cris_print_operand_address)
6952         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6953         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6954         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6955         GET_CODE () == xxx.
6956         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6957         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6958         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6959         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6960         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6961         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6962         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6963         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6964         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6965         (uminsi3, call, call_value): Ditto.
6966         (define_split: indir_to_reg_split, unnamed): Ditto.
6967
6968 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6969
6970         PR tree-optimization/30975
6971         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6972         wrong assert.
6973
6974 2007-02-18  Eric Christopher  <echristo@gmail.com>
6975
6976         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6977         Remove use of arglist.
6978         (mips_expand_builtin): Remove use of arglist, pass in expr.
6979         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6980         (mips_expand_builtin_movtf): Ditto.
6981         (mips_expand_builtin_compare): Ditto.
6982
6983 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6984
6985         * tree-sra.c (sra_build_assignment): Replace assertion
6986         checking with a comment explaining why it can't be done.
6987
6988 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6989
6990         PR middle-end/30833
6991         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6992         during CALL_EXPR representation conversion.
6993         * tree-ssa-propagate.c (set_rhs): Likewise.
6994
6995 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6996
6997         * tree-sra.c (sra_build_assignment): Disable assertion checking
6998         for now.
6999
7000 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7001
7002         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7003         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7004         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7005         Likewise.
7006         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7007         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
7008         gimplify_init_ctor_eval_range, gimple_push_cleanup,
7009         gimplify_omp_for, gimplify_omp_atomic_pipeline,
7010         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7011         force_gimple_operand): Likewise.
7012         * ipa-cp.c (constant_val_insert): Likewise.
7013         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7014         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7015         perfect_nestify): Likewise.
7016         * langhooks.c (lhd_omp_assignment): Likewise.
7017         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7018         lower_copyprivate_clauses, lower_send_clauses,
7019         lower_send_shared_vars, expand_parallel_call,
7020         expand_omp_for_generic, expand_omp_for_static_nochunk,
7021         expand_omp_for_static_chunk, expand_omp_sections,
7022         lower_omp_single_copy, lower_omp_for_lastprivate,
7023         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7024         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7025         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7026         Likewise.
7027
7028 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7029
7030         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7031         config/sh/sh.md: Follow spelling conventions.
7032
7033         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7034         config/frv/predicates.md: Follow spelling conventions.
7035
7036         * config/m68k/linux-unwind.h: Fix a comment typo.
7037         * target.h: Follow spelling conventions.
7038
7039 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7040
7041         PR rtl-optimization/28173
7042         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7043         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7044         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7045         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7046         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7047
7048 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7049
7050         * builtins.c (fold_builtin_load_exponent): New.
7051         (fold_builtin_2): Use it.
7052
7053 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7054
7055         PR rtl-optimization/30773
7056         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7057         if we fail to attach a REG_EQUIV note.
7058
7059 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7060             Roger Sayle  <roger@eyesopen.com>
7061
7062         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7063
7064 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7065
7066         * calls.c (initialize_argument_information): Pass original EXP
7067         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7068         code to split complex arguments here, as part of initializing the
7069         ARGS array.
7070         (expand_call): Remove code that builds a list of arguments and
7071         inserts implicit arguments into it.  Instead, just count how many
7072         implicit arguments there will be so we can determine the size of
7073         the ARGS array, and let initialize_argument_information do the work.
7074         (split_complex_values): Delete unused function.
7075
7076 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7077
7078         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7079
7080 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7081
7082         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7083         for arg pointer based indexed addressing.
7084
7085 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7086
7087         * config/ia64/ia64.h, config/ia64/ia64.md,
7088         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7089         spelling conventions.
7090
7091 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7092
7093         * config/m68k/m68k.c (split_di): New.
7094         * config/m68k/m68k-protos.h: Declare split_di.
7095         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7096           Improve predicate handling and split constant shifts.
7097
7098 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7099
7100         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7101         parameter for register bitfield operations, general predicates
7102         cleanup
7103
7104 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7105
7106         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7107         * config/m68k/linux-unwind.h: New file.
7108
7109 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7110
7111         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7112         config/i386/athlon.md, config/ia64/ia64.md,
7113         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7114         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7115         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7116         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7117         tree-vect-transform.c: Fix comment typos.
7118
7119 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7120
7121         * sched-deps.c (find_insn_list): Remove.
7122         * sched-int.h: Remove the prototype for find_insn_list.
7123
7124 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7125
7126         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7127         to linker.
7128         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7129         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7130         darwin_rs6000_override_options.
7131         (C_COMMON_OVERRIDE_OPTIONS): Expect
7132         darwin_macosx_version_min to be non-NULL always.
7133         (TARGET_C99_FUNCTIONS): Likewise.
7134         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7135         (DARWIN_MINVERSION_SPEC): New.
7136         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7137         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7138         to cc1*.
7139         (DARWIN_MINVERSION_SPEC): New.
7140         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7141         value.
7142         * config/darwin-c.c (darwin_cpp_builtins): Expect
7143         darwin_macosx_version_min to be non-NULL always.
7144
7145         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7146
7147 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7148
7149         * config/i386/i386.h (x86_use_xchgb): New.
7150         (TARGET_USE_XCHGB): New macro.
7151         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7152         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7153         Split after reload into bswaphi for shifts of 8.
7154         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7155         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7156         or when optimizing for size.
7157
7158 2007-02-16  Richard Guenther  <rguenther@suse.de>
7159             Christian Bruel  <christian.bruel@st.com>
7160
7161         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7162         DECLs but prefer SSA_NAMEs over DECLs.
7163
7164 2007-02-16  Richard Guenther  <rguenther@suse.de>
7165
7166         * tree-flow-inline.h (single_imm_use_p): Remove.
7167         (zero_imm_uses_p): Likewise.
7168         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7169         instead of single_imm_use_p.
7170         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7171         zero_imm_uses_p.
7172
7173 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7174
7175         PR other/27843
7176         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7177         nested double- and backquotes.
7178
7179 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7180
7181         PR middle-end/30391
7182         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7183         should be unreachable.
7184         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7185         For the time being redirect GIMPLE_MODIFY_STMT to the new
7186         (renamed) build_gimple_modify_stmt_stat.
7187         (build2_gimple_stat): Rename to...
7188         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7189         Always build a GIMPLE_MODIFY_STMT node.
7190         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7191         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7192         declarations.
7193
7194         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7195         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7196         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7197         expand_complex_div_wide): Likewise.
7198         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7199         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7200         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7201         * tree-ssa-loop-manip.c (create_iv): Likewise.
7202         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7203         abs_replacement): Likewise.
7204         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7205         realify_fake_stores): Likewise.
7206
7207         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7208         node rather than a GIMPLE_MODIFY_STMT node.
7209         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7210         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7211         Likewise.
7212         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7213         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7214         GIMPLE_MODIFY_STMT.
7215
7216 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7217
7218         PR middle-end/30433
7219         * fold-const.c (fold_comparison): Add back the
7220         folding of constant complex comparisions.
7221
7222 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7223
7224         PR middle-end/30729
7225         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7226         effects unknown to this function, return early.
7227
7228 2007-02-15  Ian Lance Taylor  <iant@google.com>
7229
7230         * lower-subreg.c (move_eh_region_note): New static function.
7231         (resolve_simple_move): Call it.
7232         (decompose_multiword_subregs): Track blocks for which we resolve a
7233         simple move which is also a control flow insn.  Pass them to
7234         find_many_sub_basic_blocks.
7235         (pass_lower_subreg): Add TODO_verify_flow.
7236         (pass_lower_subreg2): Likewise.
7237
7238 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7239             Brooks Moses  <brooks.moses@codesourcery.com>
7240             Lee Millward  <lee.millward@codesourcery.com>
7241
7242         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7243         (VL_EXP_CLASS_P): New.
7244         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7245         TREE_CODE_LENGTH.
7246         (TREE_OPERAND_CHECK_CODE): Likewise.
7247         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7248         (TREE_RTL_OPERAND_CHECK): Likewise.
7249         (tree_operand_check_failed): Make second parameter the whole tree
7250         instead of its code.  Fixed callers.
7251         (VL_EXP_CHECK): New.
7252         (TREE_OPERAND_LENGTH): New.
7253         (VL_EXP_OPERAND_LENGTH): New.
7254         (CALL_EXPR_FN): New.
7255         (CALL_EXPR_STATIC_CHAIN): New.
7256         (CALL_EXPR_ARGS): New.
7257         (CALL_EXPR_ARG): New.
7258         (call_expr_nargs): New.
7259         (CALL_EXPR_ARGP): New.
7260         (build_nt_call_list): Declare.
7261         (build_vl_exp_stat): Declare.
7262         (build_vl_exp): New.
7263         (build_call_list): Declare.
7264         (build_call_nary): Declare.
7265         (build_call_valist): Declare.
7266         (build_call_array): Declare.
7267         (call_expr_arg): Declare.
7268         (call_expr_argp): Declare.
7269         (call_expr_arglist): Declare.
7270         (fold_build_call_list): Declare.
7271         (fold_build_call_list_initializer): Declare.
7272         (fold_call_expr): Declare to replace fold_builtin.
7273         (fold_builtin_fputs): Update to agree with modified definition.
7274         (fold_builtin_strcpy): Likewise.
7275         (fold_builtin_strncpy): Likewise.
7276         (fold_builtin_memory_chk): Likewise.
7277         (fold_builtin_stxcpy_chk): Likewise.
7278         (fold_builtin_strncpy_chk): Likewise.
7279         (fold_builtin_next_arg): Likewise.
7280         (fold_build_call_expr): Declare.
7281         (fold_builtin_call_list): Declare.
7282         (fold_builtin_call_valist): Declare.
7283         (build_call_expr): Declare.
7284         (validate_arglist): Update to agree with modified definition.
7285         (tree_operand_length): New.
7286         (call_expr_arg_iterator): New.
7287         (init_call_expr_arg_iterator): New.
7288         (next_call_expr_arg): New.
7289         (first_call_expr_arg): New.
7290         (more_call_expr_args_p): New.
7291         (FOR_EACH_CALL_EXPR_ARG): New.
7292
7293         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7294         and tcc_gimple_stmt.
7295         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7296         than sizeof (char *).
7297         (tree_size): Likewise.  Add case for tcc_vl_exp.
7298         (tree_node_structure): Add case for tcc_vl_exp.
7299         (contains_placeholder_p): Likewise.
7300         (substitute_in_expr): Likewise.
7301         (substitute_placeholder_in_expr): Likewise.
7302         (stabilize_reference_1): Likewise.
7303         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7304         to diagnose breakage of this interface for constructing CALL_EXPRs.
7305         (build_nt): Add similar assertion here.
7306         (build_nt_call_list): New.
7307         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7308         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7309         TREE_CODE_LENGTH.
7310         (get_callee_fndecl): Use new CALL_EXPR accessors.
7311         (tree_operand_check_failed): Change parameters to pass entire node
7312         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7313         (process_call_operands): New.
7314         (build_vl_exp_stat): New.
7315         (build_call_list): New.
7316         (build_call_nary): New.
7317         (build_call_valist): New.
7318         (build_call_array): New.
7319         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7320         (call_expr_arglist): New.
7321
7322         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7323         tcc_vl_exp instead of a fixed-size tcc_expression.
7324
7325         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7326         accessors for CALL_EXPRs.
7327         (AGGR_INIT_EXPR): Likewise.
7328
7329 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7330             Brooks Moses  <brooks.moses@codesourcery.com>
7331             Lee Millward  <lee.millward@codesourcery.com>
7332
7333         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7334         (expand_builtin_nonlocal_goto): Change parameter to be entire
7335         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7336         (expand_builtin_prefetch): Likewise.
7337         (expand_builtin_classify_type): Likewise.
7338         (mathfn_built_in): Return NULL_TREE instead of 0.
7339         (expand_errno_check): Use new CALL_EXPR accessors.
7340         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7341         Return NULL_RTX instead of 0.
7342         (expand_builtin_mathfn_2): Likewise.
7343         (expand_builtin_mathfn_3): Likewise.
7344         (expand_builtin_interclass_mathfn): Likewise.
7345         (expand_builtin_sincos): Likewise.
7346         (expand_builtin_cexpi): Likewise.
7347         (expand_builtin_int_roundingfn): Likewise.
7348         (expand_builtin_int_roundingfn_2): Likewise.
7349         (expand_builtin_pow): Likewise.
7350         (expand_builtin_powi): Likewise.
7351         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7352         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7353         accessors and constructors.  Return NULL_RTX instead of 0.
7354         (expand_builtin_strstr): Likewise.
7355         (expand_builtin_strchr): Likewise.
7356         (expand_builtin_strrchr): Likewise.
7357         (expand_builtin_strpbrk): Likewise.
7358         (expand_builtin_memcpy): Likewise.
7359         (expand_builtin_mempcpy): Likewise.
7360         (expand_builtin_mempcpy_args): New.
7361         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7362         (expand_builtin_memmove_args): New.
7363         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7364         (expand_movstr): Likewise.
7365         (expand_builtin_strcpy): Likewise.
7366         (expand_builtin_strcpy_args): New.
7367         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7368         (expand_builtin_strncpy): Likewise.
7369         (expand_builtin_memset): Likewise.
7370         (expand_builtin_memset_args): New.
7371         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7372         (expand_builtin_memcmp): Likewise.
7373         (expand_builtin_strcmp): Likewise.
7374         (expand_builtin_strncmp): Likewise.
7375         (expand_builtin_strcat): Likewise.
7376         (expand_builtin_strncat): Likewise.
7377         (expand_builtin_strspn): Likewise.
7378         (expand_builtin_strcspn): Likewise.
7379         (expand_builtin_args_info): Likewise.
7380         (expand_builtin_va_start): Likewise.
7381         (gimplify_va_arg_expr): Likewise.
7382         (expand_builtin_va_end): Likewise.
7383         (expand_builtin_va_copy): Likewise.
7384         (expand_builtin_frame_address): Likewise.
7385         (expand_builtin_alloca): Likewise.
7386         (expand_builtin_bswap): Likewise.
7387         (expand_builtin_unop): Likewise.
7388         (expand_builtin_fputs): Likewise.
7389         (expand_builtin_expect): Likewise.
7390         (expand_builtin_fabs): Likewise.
7391         (expand_builtin_copysign): Likewise.
7392         (expand_builtin_printf): Likewise.
7393         (expand_builtin_fprintf): Likewise.
7394         (expand_builtin_sprintf): Likewise.
7395         (expand_builtin_init_trampoline): Likewise.
7396         (expand_builtin_signbit): Likewise.
7397         (expand_builtin_fork_or_exec): Likewise.
7398         (expand_builtin_sync_operation): Likewise.
7399         (expand_builtin_compare_and_swap): Likewise.
7400         (expand_builtin_lock_test_and_set): Likewise.
7401         (expand_builtin_lock_release): Likewise.
7402         (expand_builtin): Likewise.
7403         (builtin_mathfn_code): Likewise.
7404
7405         (fold_builtin_constant_p): Pass call arguments individually instead
7406         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7407         accessors and constructors.  Return NULL_TREE instead of 0.
7408         (fold_builtin_expect): Likewise.
7409         (fold_builtin_classify_type): Likewise.
7410         (fold_builtin_strlen): Likewise.
7411         (fold_builtin_nan): Likewise.
7412         (integer_valued_real_p): Likewise.
7413         (fold_trunc_transparent_mathfn): Likewise.
7414         (fold_fixed_mathfn): Likewise.
7415         (fold_builtin_cabs): Likewise.
7416         (fold_builtin_sqrt): Likewise.
7417         (fold_builtin_cbrt): Likewise.
7418         (fold_builtin_cos): Likewise.
7419         (fold_builtin_cosh): Likewise.
7420         (fold_builtin_tan): Likewise.
7421         (fold_builtin_sincos): Likewise.
7422         (fold_builtin_cexp): Likewise.
7423         (fold_builtin_trunc): Likewise.
7424         (fold_builtin_floor): Likewise.
7425         (fold_builtin_ceil): Likewise.
7426         (fold_builtin_round): Likewise.
7427         (fold_builtin_int_roundingfn): Likewise.
7428         (fold_builtin_bitop): Likewise.
7429         (fold_builtin_bswap): Likewise.
7430         (fold_builtin_logarithm): Likewise.
7431         (fold_builtin_hypot): Likewise.
7432         (fold_builtin_pow): Likewise.
7433         (fold_builtin_powi): Likewise.
7434         (fold_builtin_exponent): Likewise.
7435         (fold_builtin_memset): Likewise.
7436         (fold_builtin_bzero): Likewise.
7437         (fold_builtin_memory_op): Likewise.
7438         (fold_builtin_bcopy): Deleted; call site changed to invoke
7439         fold_builtin_memory_op directly.
7440         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7441         (fold_builtin_strncpy): Likewise.
7442         (fold_builtin_memcmp): Likewise.
7443         (fold_builtin_strcmp): Likewise.
7444         (fold_builtin_strncmp): Likewise.
7445         (fold_builtin_signbit): Likewise.
7446         (fold_builtin_copysign): Likewise.
7447         (fold_builtin_isascii): Likewise.
7448         (fold_builtin_toascii): Likewise.
7449         (fold_builtin_isdigit): Likewise.
7450         (fold_builtin_fabs): Likewise.
7451         (fold_builtin_abs): Likewise.
7452         (fold_builtin_fmin_fmax): Likewise.
7453         (fold_builtin_carg): Likewise.
7454         (fold_builtin_classify): Likewise.
7455         (fold_builtin_unordered_cmp): Likewise.
7456
7457         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7458         New functions split out from fold_builtin_1.
7459         (fold_builtin_n): New.
7460         (fold_builtin_varargs): New.
7461         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7462         instead.
7463         (fold_call_expr): New.
7464         (build_function_call_expr): Rewrite to use new helper function.
7465         (fold_builtin_call_list): New.
7466         (build_call_expr): New.
7467         (fold_builtin_call_valist): New.
7468         (rewrite_call_expr): New.
7469         (validate_arg): New.
7470         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7471         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7472         accessors.
7473
7474         (fold_builtin_strstr):  Pass call arguments individually instead
7475         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7476         accessors and constructors.  Return NULL_TREE instead of 0.
7477         (fold_builtin_strchr): Likewise.
7478         (fold_builtin_strrchr): Likewise.
7479         (fold_builtin_strpbrk): Likewise.
7480         (fold_builtin_strcat): Likewise.
7481         (fold_builtin_strncat): Likewise.
7482         (fold_builtin_strspn): Likewise.
7483         (fold_builtin_strcspn): Likewise.
7484         (fold_builtin_fputs): Likewise.
7485         (fold_builtin_next_arg): Likewise.
7486         (fold_builtin_sprintf): Likewise.
7487
7488         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7489         NULL_RTX instead of 0.
7490         (expand_builtin_memory_chk): Likewise.
7491         (maybe_emit_chk_warning): Likewise.
7492         (maybe_emit_sprintf_chk_warning): Likewise.
7493
7494         (fold_builtin_object_size): Pass call arguments individually instead
7495         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7496         accessors and constructors.  Return NULL_TREE instead of 0.
7497         (fold_builtin_memory_chk): Likewise.
7498         (fold_builtin_stxcpy_chk): Likewise.
7499         (fold_builtin_strncpy_chk): Likewise.
7500         (fold_builtin_strcat_chk): Likewise.
7501         (fold_builtin_strcat_chk): Likewise.
7502         (fold_builtin_strncat_chk): Likewise.
7503         (fold_builtin_sprintf_chk): Likewise.
7504         (fold_builtin_snprintf_chk): Likewise.
7505         (fold_builtin_printf): Likewise.
7506         (fold_builtin_vprintf): Likewise.
7507
7508         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7509         constructors.
7510         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7511         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7512         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7513         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7514         (fold_unary): Likewise.
7515         (fold_binary): Likewise.
7516         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7517         ternary expressions.
7518         (fold): Add logic for tcc_vl_exp.
7519         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7520         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7521         (fold_build3_stat): Add assertion to flag broken interface for
7522         constructing CALL_EXPRs.
7523         (fold_build_call_list): New.
7524         (fold_build_call_list_initializer): New.
7525         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7526         constructors.
7527         (fold_strip_sign_ops): Likewise.
7528
7529 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7530             Brooks Moses  <brooks.moses@codesourcery.com>
7531             Lee Millward  <lee.millward@codesourcery.com>
7532
7533         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7534         accessors and dump arguments explicitly.
7535
7536         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7537         TREE_CODE_LENGTH.
7538         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7539         explicitly.
7540         (print_call_name): Use new CALL_EXPR accessors.
7541
7542         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7543         CALL_EXPR arguments explicitly instead of as a list.  Use
7544         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7545
7546         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7547         (vrp_visit_stmt): Likewise.
7548
7549         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7550         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7551         TREE_CODE_LENGTH.
7552         (force_move_till_expr): Likewise.
7553
7554         * targhooks.c (default_external_stack_protect_fail): Use
7555         build_call_expr instead of build_function_call_expr.
7556         (default_hidden_stack_protect_fail): Likewise.
7557
7558         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7559         build the call.
7560
7561         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7562         and walk arguments explicitly.
7563
7564         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7565         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7566         (expand_simple_operations): Likewise.
7567         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7568
7569         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7570         of TREE_CODE_LENGTH.
7571         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7572
7573         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7574         instead of TREE_CODE_LENGTH.
7575
7576         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7577         (tree_ic_transform): Likewise.
7578         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7579         parameter instead of arglist.  Fix callers.
7580         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7581         (tree_stringops_transform): Likewise.
7582         (tree_indirect_call_to_profile): Likewise.
7583         (tree_stringops_values_to_profile): Likewise.
7584
7585         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7586         (eliminate_tail_call): Likewise.
7587
7588         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7589
7590         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7591         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7592         operands.
7593         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7594
7595         * omp-low.c (build_omp_barrier): Use build_call_expr.
7596         (lower_rec_input_clauses): Likewise.
7597         (lower_reduction_clauses): Likewise.
7598         (expand_parallel_call): Likewise.
7599         (maybe_catch_exception): Likewise.
7600         (expand_omp_for_generic): Likewise.
7601         (expand_omp_for_static_nochunk): Likewise.
7602         (expand_omp_sections): Likewise.
7603         (lower_omp_single_simple): Likewise.
7604         (lower_omp_single_copy): Likewise.
7605         (lower_omp_master): Likewise.
7606         (lower_omp_ordered): Likewise.
7607         (lower_omp_critical): Likewise.
7608
7609         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7610         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7611
7612         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7613         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7614         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7615
7616         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7617         and generalize to handle any number of operands.
7618         (chrec_contains_undetermined): Likewise.
7619         (tree_contains_chrecs): Likewise.
7620         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7621
7622         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7623
7624         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7625         fold_call_expr instead of fold_builtin.
7626         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7627         match declarations there.
7628         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7629         updates.
7630
7631         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7632         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7633
7634         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7635         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7636
7637         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7638         accessors.
7639
7640         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7641         (execute_cse_sincos): Use new CALL_EXPR accessors.
7642
7643         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7644
7645         * gimple-low.c (lower_function_body): Use build_call_expr.
7646         (lower_builtin_setjmp): Likewise.
7647
7648         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7649         (set_storage_via_libcall): Likewise.
7650         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7651         instead of TREE_CODE_LENGTH.
7652         (expand_expr_real_1): Use new CALL_EXPR accessors.
7653
7654         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7655         generalize to handle any number of operands.
7656         (TB_parent_eq): Likewise.
7657
7658         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7659         (strip_builtin_expect): Likewise.
7660
7661         * function.c (gimplify_parameters): Use build_call_expr.
7662
7663         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7664         instead of TREE_CODE_LENGTH.
7665
7666         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7667         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7668
7669         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7670         iterators.
7671
7672         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7673         (gimplify_decl_expr): Likewise.
7674         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7675         Use new CALL_EXPR iterators.
7676         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7677         (gimplify_modify_expr_to_memset): Likewise.
7678         (gimplify_variable_sized_compare): Likewise.
7679         (gimplify_omp_atomic_fetch_op): Likewise.
7680         (gimplify_omp_atomic_pipeline): Likewise.
7681         (gimplify_omp_atomic_mutex): Likewise.
7682         (gimplify_function_tree): Likewise.
7683
7684         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7685         (call_expr_flags): Likewise.
7686         (expand_call): Likewise.
7687
7688         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7689         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7690         accessors.
7691
7692         * coverage.c (create_coverage): Use build_call_expr.
7693
7694         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7695         (temp_call_expr_obstack): New.
7696         (pool_copy_list): Delete.
7697         (temp_copy_call_expr): New.
7698         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7699         CALL_EXPR accessors.  Get rid of special goo for copying argument
7700         lists and use temp_copy_call_expr instead.
7701         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7702         CALL_EXPR accessors.
7703         (create_expression_by_pieces): Likewise.  Use build_call_array
7704         to construct the result instead of fold_build3.
7705         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7706         dealing with argument lists.
7707         (init_pre): Remove references to expression_node_pool and
7708         list_node_pool.  Init temp_call_expr_obstack instead.
7709         (fini_pre): Remove references to expression_node_pool and
7710         list_node_pool.
7711
7712         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7713         and walk arguments explicitly instead of as a list.
7714
7715         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7716         (mx_register_decls): Likewise.
7717         (mudflap_register_call): Likewise.
7718         (mudflap_finish_file): Likewise.
7719
7720         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7721         (ipa_callsite_compute_param): Likewise.
7722
7723         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7724         accessors and constructor.
7725
7726         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7727         accessors and constructor.
7728         (convert_tramp_reference): Likewise.
7729         (convert_call_expr): Likewise.
7730         (finalize_nesting_tree_1): Likewise.
7731
7732         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7733         accessors.
7734
7735         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7736
7737         * tree-inline.c (initialize_inlined_parameters): Pass entire
7738         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7739         accessors.
7740         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7741         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7742
7743         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7744         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7745         (vectorizable_reduction): Likewise.
7746         (vectorizable_call): Use new CALL_EXPR iterators.
7747         (vectorizable_conversion): Use build_call_expr.
7748         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7749         (vect_gen_widened_results_half): Use build_call_expr.
7750         (vect_setup_realignment): Likewise.
7751         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7752
7753         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7754         (pass_through_call): Likewise.
7755         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7756         fold_builtin.
7757
7758         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7759         (tree_gen_pow2_profiler): Likewise.
7760         (tree_gen_one_value_profiler): Likewise.
7761         (tree_gen_ic_func_profiler): Likewise.
7762         (tree_gen_average_profiler): Likewise.
7763         (tree_gen_ior_profiler): Likewise.
7764
7765         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7766         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7767         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7768
7769         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7770         of TREE_CODE_LENGTH.
7771
7772         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7773         of TREE_CODE_LENGTH.
7774
7775         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7776         constructor.
7777         (convert_to_integer): Likewise.
7778
7779         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7780         accessors.
7781
7782 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7783             Brooks Moses  <brooks.moses@codesourcery.com>
7784             Lee Millward  <lee.millward@codesourcery.com>
7785
7786         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7787         accessors.
7788         * config/frv/frv.c (frv_expand_builtin): Likewise.
7789         * config/s390/s390.c (s390_expand_builtin): Likewise.
7790
7791         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7792         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7793
7794         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7795         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7796         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7797         (ix86_expand_store_builtin): Likewise.
7798         (ix86_expand_unop_builtin): Likewise.
7799         (ix86_expand_unop1_builtin): Likewise.
7800         (ix86_expand_sse_compare): Likewise.
7801         (ix86_expand_sse_comi): Likewise.
7802         (ix86_expand_vec_init_builtin): Likewise.
7803         (ix86_expand_vec_ext_builtin): Likewise.
7804         (ix86_expand_vec_set_builtin): Likewise.
7805         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7806
7807         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7808         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7809
7810         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7811         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7812         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7813
7814         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7815         build_call_expr.
7816         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7817         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7818         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7819         (altivec_expand_abs_builtin): Likewise.
7820         (rs6000_expand_binop_builtin): Likewise.
7821         (altivec_expand_predicate_builtin): Likewise.
7822         (altivec_expand_lv_builtin): Likewise.
7823         (spe_expand_stv_builtin): Likewise.
7824         (altivec_expand_stv_builtin): Likewise.
7825         (rs6000_expand_ternop_builtin): Likewise.
7826         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7827         (altivec_expand_st_builtin): Likewise.
7828         (altivec_expand_dst_builtin): Likewise.
7829         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7830         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7831         (altivec_expand_vec_set_builtin): Likewise.
7832         (altivec_expand_vec_ext_builtin): Likewise.
7833         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7834         (spe_expand_builtin): Likewise.
7835         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7836         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7837         (spe_expand_evsel_builtin): Likewise.
7838         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7839         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7840
7841         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7842         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7843         (arm_expand_unop_builtin): Likewise.
7844         (arm_expand_builtin): Use new CALL_EXPR accessors.
7845
7846         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7847         accessors.
7848
7849         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7850         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7851         (bfin_expand_unop_builtin): Likewise.
7852         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7853
7854 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7855             Brooks Moses  <brooks.moses@codesourcery.com>
7856             Lee Millward  <lee.millward@codesourcery.com>
7857
7858         * c-semantics.c (build_stmt): Add internal diagnostic check.
7859
7860         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7861         accessors.  Print arguments explicitly instead of as a list.
7862
7863         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7864
7865         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7866         (c_finish_omp_flish): Likewise.
7867
7868         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7869         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7870         instead of TREE_CODE_LENGTH.
7871         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7872         (c_warn_unused_result): Likewise.
7873
7874 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7875
7876         PR c/26494
7877         * doc/invoke.texi (Warning Options): Remove
7878         -Werror-implicit-function-declaration.
7879         (Wimplicit-function-declaration): Update description.
7880         * opts.c (common_handle_option): Move handling of -Werror=* to...
7881         (enable_warning_as_error): ...here.
7882         * opts.h (enable_warning_as_error): Declare.
7883         * c-decl.c (implicit_decl_warning): Unless
7884         -Wno-implicit-function-declaration is given, emit a pedwarn if
7885         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7886         * c.opt (Wimplicit-function-declaration): Replace
7887         mesg_implicit_function_declaration with
7888         warn_implicit_function_declaration.
7889         * c-opts.c (c_common_handle_option):
7890         -Werror-implicit-function-declaration is exactly equal as
7891         -Werror=implicit-function-declaration.
7892         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7893         warn_implicit_function_declaration.
7894         (c_common_post_options): -Wimplict-function-declaration is enabled
7895         by default by -std=c99, otherwise is disabled by default.
7896         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7897
7898 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7899
7900         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7901         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7902         former is ignored but not the latter.
7903
7904 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7905
7906         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7907         is made and the reference doesn't use the alias set of its type,
7908         do not create the temporary using that type.
7909
7910 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7911
7912         * jump.c: Remove prototypes for delete_computation and
7913         delete_prior_computation.
7914
7915 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7916
7917         * jump.c (get_label_after): Delete.
7918         (get_label_before, delete_computation, delete_jump,
7919         delete_prior_computation, follow_jumps): Move...
7920         * reorg.c (delete_computation, delete_prior_computation): ... here...
7921         (get_label_before, delete_jump): ... making these static ...
7922         (follow_jumps): ... and simplifying this since it only runs after
7923         reload.
7924         * rtl.h (get_label_after, get_label_before, delete_jump,
7925         follow_jumps): Delete prototypes.
7926
7927 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7928
7929         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7930
7931 2007-02-15  Nick Clifton  <nickc@redhat.com>
7932
7933         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7934         order to prevent it from being munged by the target.
7935
7936 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7937
7938         * config/i386/i386.md: Remove misleading comment.
7939
7940 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7941
7942         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7943         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7944         invalid patterns.
7945
7946 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7947
7948         * tree-sra.c (instantiate_missing_elements): Canonicalize
7949         bit-field types.
7950         (sra_build_assignment): New.
7951         (generate_copy_inout, generate_element_copy,
7952         generate_element_zero, generate_one_element_init): Use it.
7953
7954 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7955
7956         * tree-sra.c (instantiate_missing_elements): Canonicalize
7957         bit-field types.
7958         (sra_build_assignment): New.
7959         (generate_copy_inout, generate_element_copy,
7960         generate_element_zero, generate_one_element_init): Use it.
7961
7962 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7963
7964         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7965         limbo die nodes.
7966
7967 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7968
7969         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7970         types as aggregates not scalars.
7971         * function.c (assign_stack_temp_for_type): Likewise.
7972
7973 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7974             Zdenek Dvorak  <dvorakz@suse.cz>
7975
7976         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7977         name.
7978
7979 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7980
7981         * passes.c (next_pass_1): Clear the next field of the copied
7982         pass structure.
7983
7984 2007-02-14  Richard Henderson  <rth@redhat.com>
7985
7986         * tree-sra.c (early_sra): New.
7987         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7988         (tree_sra_early, pass_sra_early): New.
7989         * tree-pass.h (pass_sra_early): Declare.
7990         * passes.c (init_optimization_passes): Use it.
7991
7992 2007-02-14  Richard Guenther  <rguenther@suse.de>
7993
7994         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7995
7996 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7997
7998          PR tree-optimization/30771
7999         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8000         also phi nodes.
8001         (vect_analyze_operations): Induction phis can now be marked as
8002         used_in_loop.
8003         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8004         Update documentation accordingly.
8005
8006 2007-02-14  Nick Clifton  <nickc@redhat.com>
8007
8008         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8009         most 3 arguments are supported.
8010         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8011
8012 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
8013
8014         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8015         Ensure dst->current is valid.
8016
8017 2007-02-13  Paul Brook  <paul@codesourcery.com>
8018
8019         * config.gcc: Add arm*-*-uclinux-*eabi.
8020         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8021         (SUBTARGET_EXTRA_LINK_SPEC): Define.
8022         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8023         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8024         (LINK_SPEC): Define.
8025         (LIB_SPEC): Define.
8026         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8027         register.
8028         * config/arm/uclinux-eabi.h: New file.
8029         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8030         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8031         based targets.
8032
8033 2007-02-13  Ian Lance Taylor  <iant@google.com>
8034
8035         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8036         * flags.h (warn_strict_overflow): Declare.
8037         (enum warn_strict_overflow_code): Define.
8038         (issue_strict_overflow_warning): New static inline function.
8039         * opts.c (warn_strict_overflow): New variable.
8040         (common_handle_option): Handle OPT_Wstrict_overflow and
8041         OPT_Wstrict_overflow_.
8042         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8043         OPT_Wall.
8044         * fold-const.c: Include intl.h.
8045         (fold_deferring_overflow_warnings): New static variable.
8046         (fold_deferred_overflow_warning): New static variable.
8047         (fold_deferred_overflow_code): New static variable.
8048         (fold_defer_overflow_warnings): New function.
8049         (fold_undefer_overflow_warnings): New function.
8050         (fold_undefer_and_ignore_overflow_warnings): New function.
8051         (fold_deferring_overflow_warnings_p): New function.
8052         (fold_overflow_warning): New static function.
8053         (make_range): Add strict_overflow_p parameter.  Change all
8054         callers.
8055         (extract_muldiv, extract_muldiv_1): Likewise.
8056         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8057         tree_expr_nonnegative_p.
8058         (fold_negate_expr): Call fold_overflow_warning.
8059         (fold_range_test): Likewise.
8060         (fold_comparison): Likewise.
8061         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8062         instead of tree_expr_nonnegative_p.
8063         (tree_expr_nonnegative_warnv_p): Rename from
8064         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8065         (tree_expr_nonnegative_p): New function.
8066         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8067         strict_overflow_p parameter.
8068         (tree_expr_nonzero_p): New function.
8069         * passes.c (verify_interpass_invariants): New static function.
8070         (execute_one_pass): Call it.
8071         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8072         warnings.
8073         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8074         (estimate_numbers_of_iterations): Likewise.
8075         (scev_probably_wraps_p): Likewise.
8076         * tree-ssa-ccp.c: Include "toplev.h".
8077         (evaluate_stmt): Defer fold overflow warnings until we know we are
8078         going to optimize.
8079         (struct fold_stmt_r_data): Add stmt field.
8080         (fold_stmt_r): Defer fold overflow warnings until we know we
8081         optimized.
8082         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8083         (fold_stmt_inplace): Likewise.
8084         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8085         (cleanup_control_expr_graph): Defer fold overflow warnings until
8086         we know we are going to optimize.
8087         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8088         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8089         Likewise.
8090         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8091         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8092         * tree-ssa-loop-manip.c (create_iv): Likewise.
8093         * c-typeck.c (build_conditional_expr): Likewise.
8094         (build_binary_op): Likewise.
8095         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8096         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8097         (extract_range_from_unary_expr): Likewise.
8098         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8099         assuming that signed overflow does not occur.
8100         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8101         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8102         (fold_defer_overflow_warnings): Declare.
8103         (fold_undefer_overflow_warnings): Declare.
8104         (fold_undefer_and_ignore_overflow_warnings): Declare.
8105         (fold_deferring_overflow_warnings_p): Declare.
8106         (tree_expr_nonzero_warnv_p): Declare.
8107         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8108         of warning options.
8109         (Warning Options): Document -Wstrict-overflow.
8110         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8111         (tree-ssa-ccp.o): Likewise.
8112         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8113         (fold-const.o): Depend on intl.h.
8114
8115 2007-02-13  Ian Lance Taylor  <iant@google.com>
8116
8117         PR middle-end/30751
8118         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8119         addresses.
8120
8121 2007-02-13  Stuart Hastings  <stuart@apple.com>
8122
8123         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8124
8125 2007-02-13  Richard Henderson  <rth@redhat.com>
8126
8127         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8128         handled_component_p before looking for the indirect_ref.
8129
8130 2007-02-13  Richard Henderson  <rth@redhat.com>
8131
8132         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8133         remove flags clobber.
8134         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8135         (bswaphi_lowpart): New.
8136         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8137         remove TARGET_BSWAP test.  Delete expander of the same name.
8138
8139         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8140         (expand_unop): Use them.
8141
8142 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8143
8144         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8145         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8146         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8147         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8148         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8149         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8150         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8151         assembler dialect choice from asm templates.
8152
8153 2007-02-12  Richard Henderson  <rth@redhat.com>
8154
8155         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8156         (fixuns_trunc<SSEMODEF>si2): Use it.
8157         * config/i386/sse.md (vec_setv4sf_0): Export.
8158         * config/i386/i386.c (ix86_build_const_vector): Export.
8159         (ix86_split_convert_uns_si_sse): Rename from
8160         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8161         * config/i386/i386-protos.h: Update.
8162
8163 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8164
8165         PR c/29521
8166         * c-typeck.c (c_finish_return): Improve warning message.
8167
8168 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8169
8170         * alias.c (find_symbolic_term): Delete unused function.
8171
8172 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8173
8174         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8175         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8176         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8177
8178 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8179
8180         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8181         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8182         the function, temporarily point the debug interface to the null one.
8183
8184 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8185
8186         * dwarf2out.c (round_up_to_align): New static function.
8187         (field_byte_offset): Use it to round the offset.
8188
8189 2007-02-12  Richard Henderson  <rth@redhat.com>
8190
8191         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8192         (inswl_const): Export.
8193
8194 2007-02-12  Richard Henderson  <rth@redhat.com>
8195
8196         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8197         result mode of the libcall, convert back to outmode.
8198
8199 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8200
8201         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8202         (bswapdi2): New define_expand to implement 32-bit implementation.
8203
8204 2007-02-12  Nick Clifton  <nickc@redhat.com>
8205
8206         * doc/invoke.texi (Overall Options): Document --help=.
8207         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8208         (cc1_options): Pass --help= on to cc1.
8209         (display_help): Add description of --help=.
8210         (process_command): Add code to handle --help=.  Allow translated
8211         --help and --target-help switches to be passed on to compiler
8212         sub-process.
8213         (main): Remove unused if statement.
8214         * opts.c (columns): Remove.
8215         (LEFT_COLUMN): Define.
8216         (wrap_help): Add columns argument.
8217         (print_filtered_help): Change parameters to be an include bitmask,
8218         an exclude bitmask, an any bitmask and the column width.  Move the
8219         code to display the params list here.  Add code to display the
8220         status of options rather than their descriptions if the quiet flag
8221         is not active.
8222         (print_specific_help): Change parameters to be an include bitmask,
8223         an exclude bitmask and an any bitmask.  Move code to look up the
8224         column width here.  Decide upon the title for an options listing.
8225         (common_handle_options): Add code to handle --help=.  Adapt code
8226         for --help and --target-help to use the revised form of the
8227         print_specific_help function.
8228         (print_help): Delete.
8229         (print_param_help): Delete.
8230         (print_switch): Delete.
8231         * opts.h (cl_lang_count): Add prototype.
8232         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8233         CL_MAX_OPTION_CLASS): New defines.
8234         * optc-gen.awk: Add construction of cl_lang_count.
8235         * c.opt: Add Warning attribute to warning options and Optimization
8236         attribute to optimization options.
8237         * common.opt: Likewise.
8238         Add --help=.
8239         Add -fhelp and -ftarget-help as aliases for the transformed --help
8240         and --target-help options.
8241         * opt-functions.awk: Add code to handle Warning and Optimization
8242         attributes.
8243
8244 2007-02-12  Richard Henderson  <rth@redhat.com>
8245
8246         * config/alpha/constraints.md: New file.
8247         * config/alpha/alpha.c: Include tm-constrs.h.
8248         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8249         alpha_extra_constraint): Remove.
8250         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8251         * config/alpha/alpha-protos.h: Update.
8252         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8253         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8254         (EXTRA_CONSTRAINT): Remove.
8255         * config/alpha/alpha.md: Include constraints.md.
8256         (adddi splitter): Use satisfies_constraint_*.
8257         * config/alpha/predicates.md (add_operand): Likewise.
8258         (sext_add_operand, addition_operation): Likewise.
8259
8260 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8261
8262         PR tree-optimization/29145
8263         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8264         in our handling of restrict qualified pointers.
8265
8266 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8267
8268         PR middle-end/7651
8269         * doc/invoke.texi (Wunused-value): Update description.
8270         (Wextra): Delete item.
8271         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8272         value of Wunused-value.
8273         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8274         (c_finish_stmt_expr): Don't check extra_warnings.
8275         (emit_side_effect_warnings): The caller is responsible to check
8276         warn_unused_value.
8277
8278 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8279             Matt Thomas  <matt@3am-software.com>
8280
8281         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8282
8283 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8284
8285         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8286         comparisons of POPCOUNT against zero.
8287         (simplify_const_relational_operation): Likewise.
8288
8289 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8290
8291         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8292
8293 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8294
8295         * dwarf2out.c (root_type): Delete unused function.
8296
8297 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8298
8299         * genattrtab.c (contained_in_p): Delete unused function.
8300         (write_expr_attr_cache): Likewise.
8301
8302 2007-02-11  Jan Hubicka  <jh@suse.cz>
8303
8304         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8305         previous patch.
8306
8307 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8308
8309         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8310         to add the REG_EQ* note.
8311         * see.c (see_merge_one_use_extension): Likewise.
8312         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8313         turn REG_EQUAL notes into REG_EQUIV notes if the target
8314         register may have more than one set.
8315         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8316         * gcse.c (try_replace_reg): Likewise.
8317         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8318         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8319         more than one REG_EQUIV note.
8320         * reload1.c (gen_reload): Use set_unique_reg_note.
8321
8322 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8323
8324         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8325         (ix86_builtin_conversion): New function.
8326
8327 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8328
8329         PR target/29487
8330         * tree.h (DECL_REPLACEABLE_P): New macro.
8331         * except.c (set_nothrow_function_flags): Likewise.
8332
8333 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8334             Ira Rosen  <irar@il.ibm.com>
8335             Dorit Nuzman  <dorit@il.ibm.com>
8336
8337         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8338         * targhooks.c (default_builtin_vectorized_conversion): New.
8339         * targhooks.h (default_builtin_vectorized_function): New declaration.
8340         * target.h (struct vectorize): Add builtin_conversion field.
8341         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8342         stmt_vec_info_type value.
8343         (vectorizable_conversion): New declaration.
8344         * tree-vect-analyze.c (vect_analyze_operations): Add
8345         vectorizable_conversion call.
8346         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8347         * tree-vect-transform.c (vectorizable_conversion): New function.
8348         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8349         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8350         mode.
8351         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8352         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8353         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8354         or ALTIVEC_BUILTIN_VCFSX.
8355
8356 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8357
8358         PR target/30634
8359         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8360         CONST_DOUBLE and operand 0 is a hard register.
8361         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8362         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8363         is a hard floating-point register.
8364
8365 2007-02-10  Richard Henderson  <rth@redhat.com>
8366             Jakub Jelinek  <jakub@redhat.com>
8367             Alexandre Oliva  <aoliva@redhat.com>
8368
8369         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8370         * builtin-types.def (BT_WORD): Make unsigned.
8371         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8372         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8373         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8374         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8375         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8376         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8377         emulated tls.
8378         * expr.c (emutls_var_address): New.
8379         (expand_expr_real_1): Expand emulated tls.
8380         (expand_expr_addr_expr_1): Likewise.
8381         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8382         * output.h (emutls_finish): Declare.
8383         * toplev.c (compile_file): Call it.
8384         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8385         address before wrapping in CONST.
8386         * varasm.c (emutls_htab, emutls_object_type): New.
8387         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8388         (get_emutls_object_name, get_emutls_object_type): New.
8389         (get_emutls_init_templ_addr, emutls_decl): New.
8390         (emutls_common_1, emutls_finish): New.
8391         (assemble_variable): When emulating tls, swap decls; generate
8392         constructor for the emutls objects.
8393         (do_assemble_alias): When emulating tls, swap decl and target name.
8394         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8395         for emulated tls.
8396         * varpool.c (decide_is_variable_needed): Look at force_output.
8397         Recurse for emulated tls.
8398         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8399         with decide_is_variable_needed.
8400         * emutls.c: New file.
8401         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8402         tls_object for real tls.
8403
8404 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8405
8406         PR rtl-optimization/29599
8407         * reload1.c (eliminate_regs_in_insn): Take the destination
8408         mode into account when computing the offset.
8409
8410 2007-02-09  Stuart Hastings  <stuart@apple.com>
8411             Richard Henderson  <rth@redhat.com>
8412
8413         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8414         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8415         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8416         fixuns_truncdfhi2): New.
8417         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8418         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8419         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8420         (floatunssidf2): Allow nonimmediate source.
8421         * config/i386/sse.md (movdi_to_sse): New.
8422         (vec_concatv2di): Drop '*'.
8423         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8424         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8425         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8426         New.
8427         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8428         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8429         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8430         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8431         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8432         ix86_build_const_vector.
8433         (x86_emit_floatuns): Rewrite.
8434
8435 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8436
8437         * genautomata.c (longest_path_length): Delete unused function.
8438         (struct state): Delete unused longest_path_length.
8439         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8440         (get_free_state): Delete unused.
8441
8442 2007-02-09  Jan Hubicka  <jh@suse.cz>
8443
8444         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8445         * doc/invoke.texi (inline-unit-growth): Update default value.
8446
8447         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8448         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8449         (rebuild_cgraph_edges): Likewise.
8450         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8451         (dump_cgraph_node): Dump frequencies.
8452         (cgraph_clone_edge): Add frequency scales.
8453         (cgraph_clone_node): Add freuqnecy.
8454         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8455         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8456         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8457         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8458         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8459         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8460         (save_inline_function_body): Likewise.
8461         * ipa-inline.c: inluce rtl.h
8462         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8463         (cgraph_edge_badness): Use frequencies.
8464         (cgraph_decide_recursive_inlining): Update clonning.
8465         (cgraph_decide_inlining_of_small_function): Dump frequency.
8466         * predict.c (estimate_bb_frequencies): Export.
8467         * predict.h (estimate_bb_frequencies): Declare.
8468         * tree-inline.c (copy_bb): Watch overflows.
8469         (expand_call_inline): Update call of cgraph_create_edge.
8470         (optimize_inline_calls): Use TODO flags to update frequnecies.
8471         * passes.h: Include predict.h
8472         (init_optimization_passes): Move profile ahead.
8473         (execute_function_todo): Handle TODO_rebuild_frequencies.
8474
8475 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8476
8477         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8478         the insbl or inswl pattern into a register.
8479
8480 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8481
8482         * config/ia64/ia64.md (bswapdi2): New define_insn.
8483
8484 2007-02-09  Richard Henderson  <rth@redhat.com>
8485
8486         * config/i386/constraints.md (Ym): New constraint.
8487         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8488         (movdi_1_rex64): Split sse and xmm general register moves from
8489         memory move alternatives.  Use conditional register constraints.
8490         (movsf_1, movdf_integer): Likewise.
8491         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8492         (movdf_integer_rex64): New.
8493         (pushsf_rex64): Fix output constraints.
8494         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8495         (sse2_stored): Likewise.
8496         (sse2_storeq_rex64): New.
8497         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8498         amd and not generic.
8499         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8500         for optimize_size.  Remove SF/DFmode hack.
8501
8502 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8503
8504         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8505         (bit_SSE4a): New.
8506
8507 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8508             Richard Sandiford  <richard@codesourcery.com>
8509
8510         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8511         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8512         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8513         m68k/t-mlib to tmake_file.
8514         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8515         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8516         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8517         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8518         variable is not empty, add t-$m68k_arch_family to tmake_file.
8519         Add t-mlibs to tmake_file.
8520         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8521         * config/m68k/t-cf: New file.
8522         * config/m68k/t-m68k: Likewise.
8523         * config/m68k/t-mlibs: Likewise.
8524         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8525         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8526         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8527         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8528         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8529         Delete.
8530         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8531         (INSTALL_LIBGCC): Delete.
8532         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8533         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8534         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8535         (M68K_MLIB_CPU): Define.
8536         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8537         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8538         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8539
8540 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8541             Richard Guenther  <rguenther@suse.de>
8542
8543         PR middle-end/23361
8544         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8545         against INT_MIN/INT_MAX.
8546         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8547         file if a loop is removed.
8548
8549 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8550
8551         * calls.c (store_one_arg): Pass correct alignment to
8552         emit_push_insn for non-BLKmode values.
8553         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8554         unaligned stack slot via a suitably aligned slot.
8555
8556 2007-02-08  DJ Delorie  <dj@redhat.com>
8557
8558         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8559         warnings.
8560         (legal_subregs): Use unsigned char, make const.
8561         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8562
8563 2007-02-08  Paul Brook  <paul@codesourcery.com>
8564
8565         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8566         special interworking needed.
8567
8568 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8569
8570         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8571         conditional to __SSE2__.
8572         (Entries below should have been added to first ChangeLog
8573         entry for amdfam10 dated 2007-02-05)
8574         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8575         defined.
8576         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8577         defined.
8578         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8579         defined.
8580
8581 2007-02-08  DJ Delorie  <dj@redhat.com>
8582
8583         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8584         * config/m32c/m32c.c (legal_subregs): New.
8585         (m32c_illegal_subreg_p): New.
8586         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8587         unsupported subregs of hard regs.
8588
8589 2007-02-08  Jan Hubicka  <jh@suse.cz>
8590
8591         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8592         the same one; always update histograms.
8593
8594 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8595
8596         * passes.c (init_optimization_passes): Tidy comment.
8597
8598 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8599
8600         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8601         strip zero_extend, bswap and rotates from POCOUNT's argument.
8602         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8603         zero_extend and rotates from PARITY's argument.
8604         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8605         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8606         of an integer constant at compile-time.
8607
8608 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8609
8610         PR 30562
8611         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8612         Update all users.
8613         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8614         users.
8615         (init_alias_info):
8616         * tree-ssa-live.c (remove_unused_locals): Do not remove
8617         TREE_ADDRESSABLE variables.
8618         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8619         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8620         FOR_CLOBBER.  Update all users.
8621         If VAR has an associated alias set, add a virtual operand for
8622         it if no alias is found to conflict with the memory reference.
8623
8624 2007-02-07  Jan Hubicka  <jh@suse.cz>
8625             Robert Kidd <rkidd@crhc.uiuc.edu>
8626
8627         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8628
8629 2007-02-07  Ian Lance Taylor  <iant@google.com>
8630
8631         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8632
8633 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8634
8635         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8636         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8637         tablejumpdi, movsi_to_cr_one): Remove constraints from
8638         define_expand's match_operands.
8639
8640 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8641
8642         * global.c (compute_regsets): Move declatation of "i" inside of
8643         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8644
8645 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8646
8647         PR c++/30703
8648         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8649         of INDIRECT_REF <RESULT_DECL>.
8650
8651         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8652
8653 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8654             Kaz Kojima  <kkojima@gcc.gnu.org>
8655
8656         PR target/29746
8657         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8658         properly.
8659         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8660
8661 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8662
8663         * doc/loop.texi: Document possibility not to perform disambiguation
8664         of loops with multiple latches.
8665         * cfgloopmanip.c (alp_enum_p): Removed.
8666         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8667         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8668         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8669         the new forwarder block.
8670         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8671         Handle the case latch is NULL.
8672         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8673         when marking loop exits.
8674         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8675         be modified.
8676         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8677         disambiguate_loops_with_multiple_latches.
8678         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8679         before fix_loop_structure.
8680         * cfgloop.c: Include pointer-set.h and output.h.
8681         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8682         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8683         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8684         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8685         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8686         disambiguate_multiple_latches, get_loop_body_with_size,
8687         disambiguate_loops_with_multiple_latches): New functions.
8688         (flow_loop_dump): Dump multiple latch edges.
8689         (flow_loop_nodes_find): Handle loops with multiple latches.
8690         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8691         (glb_enum_p): Modified.
8692         (get_loop_body): Use get_loop_body_with_size.
8693         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8694         (AVOID_CFG_MODIFICATIONS): New constant.
8695         (disambiguate_loops_with_multiple_latches, add_loop,
8696         get_loop_body_with_size): Declare.
8697         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8698
8699 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8700
8701         PR inline-asm/28686
8702         * global.c (compute_regsets): New function.
8703         (global_alloc): Refactored ELIMINABLE_REGSET
8704         and NO_GLOBAL_ALLOC_REGS computation out.
8705         (rest_of_handle_global_alloc): Call compute_regsets()
8706         for non-optimizing case.
8707
8708 2007-02-06  Richard Henderson  <rth@redhat.com>
8709
8710         * config/i386/constraints.md (Y2): Rename from Y.
8711         (Yi): New constraint.
8712         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8713         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8714         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8715         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8716         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8717         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8718         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8719         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8720         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8721         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8722         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8723         vec_extractv2si_1): Change Y constraints to Y2.
8724         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8725         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8726         Change Y constraints to Y2.
8727         (sse2_loadld): Change Y constraints to x.
8728
8729 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8730
8731         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8732         (parity<mode>2): New define_expand using rs6000_emit_parity.
8733         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8734         rs6000_emit_parity): New functions.
8735         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8736         rs6000_emit_parity): Prototype here.
8737
8738 2007-02-06  Ian Lance Taylor  <iant@google.com>
8739
8740         * lower-subreg.c (simple_move_operand): Reject CONST.
8741         (resolve_clobber): Call validate_change rather than directly
8742         assigning to XEXP (pat, 0).
8743
8744 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8745
8746         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8747         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8748         (tree-cfg.o): Remove hashtab.h dependency.
8749
8750         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8751         (struct ivopts_data): Change niters to pointer_map_t.
8752         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8753         (niter_for_exit): Create pointer_map on demand.  Change for
8754         pointer_map API.
8755         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8756         (free_loop_data): Destroy data->niters if created and reset field.
8757         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8758         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8759
8760         * tree-ssa-reassoc.c: Include pointer-set.h.
8761         (bb_rank): Change to long *.
8762         (operand_rank): Change to pointer_map_t.
8763         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8764         (insert_operand_rank): Accept long.
8765         (operand_entry_hash, operand_entry_eq): Remove.
8766         (get_rank): Return long.  Adjust for changes above.
8767         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8768         and operand_rank.
8769         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8770
8771         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8772         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8773         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8774         is not NULL.
8775         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8776         directly since it cannot be NULL.
8777         (get_vi_for_tree): Rewrite for pointer_map API.
8778         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8779         (init_alias_vars): Create vi_for_tree as pointer_map.
8780         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8781
8782         * tree-cfg.c: Don't include hashtab.h.
8783         (edge_to_cases): Declare as pointer_map.
8784         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8785         Delete.
8786         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8787         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8788         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8789         destroying it.
8790         (record_switch_edge): Delete.
8791         (get_cases_for_edge): Adjust for pointer_map API, inline
8792         record_switch_edge (rewritten for new API), remove goto.
8793
8794 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8795
8796         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8797         * tree-nested.c: Include pointer-set.h.
8798         (var_map_elt, var_map_eq, var_map_hash): Delete.
8799         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8800         to pointer_map_t's.
8801         (nesting_info_bitmap_obstack): New.
8802         (lookup_field_for_decl): Adjust for pointer_map API.
8803         (lookup_tramp_for_decl): Adjust for pointer_map API.
8804         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8805         (get_local_debug_decl): Adjust for pointer_map API.
8806         (convert_nl_goto_reference): Adjust for pointer_map API.
8807         (convert_nl_goto_receiver): Adjust for pointer_map API.
8808         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8809         the new obstack.  Create field_map and var_map as pointer_maps.
8810         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8811         (root): Delete.
8812         (lower_nested_functions): Move root here, no need to NULL it.
8813         Initialize and release the obstack.
8814
8815 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8816
8817         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8818         Remove prototypes and make them non-static.
8819         (struct tree_int_map): Remove.
8820         * tree.h (struct tree_int_map): Move here, turning TO into an
8821         unsigned int.
8822         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8823
8824         * tree.h (TREE_COMPLEXITY): Remove.
8825         (struct tree_exp): Remove complexity field.
8826         * tree.c (build1_stat): Don't set it.
8827
8828 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8829             Victor Kaplansky  <victork@il.ibm.com>
8830
8831         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8832         (vect_is_simple_reduction): Support reduction with induction as
8833         one of the operands.
8834         (vect_is_simple_iv_evolution): Fix formatting.
8835         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8836         formatting.  Don't mark induction phis for vectorization.
8837         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8838         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8839         (vect_get_vec_def_for_operand): Support induction.
8840         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8841         induction case.
8842         (vectorizable_reduction): Support reduction with induction as one of
8843         the operands.
8844         (vectorizable_type_demotion): Use def-type of stmt argument rather
8845         than dummy def-type.
8846
8847         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8848         flag_tree_scev_cprop.
8849         * common.opt (tree-scev-cprop): New flag.
8850
8851         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8852         call to vect_get_new_vect_var.
8853
8854 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8855
8856         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8857         vectype is not NULL.
8858         (vect_pattern_recog_1): Likewise.
8859
8860 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8861
8862         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8863         (fold_negate_expr): Likewise.
8864
8865 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8866
8867         PR debug/30189
8868         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8869         even if cv-qualification is the same.
8870
8871 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8872
8873         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8874         __enable_execute_stack on completion.
8875
8876 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8877
8878         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8879         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8880         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8881         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8882         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8883         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8884         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8885         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8886
8887 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8888
8889         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8890         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8891         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8892         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8893         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8894         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8895         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8896         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8897         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8898         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8899         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8900         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8901         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8902         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8903         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8904         sqrtextenddfxf2_i387): Added amdfam10_decode.
8905
8906         * config/i386/athlon.md (athlon_idirect_amdfam10,
8907         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8908         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8909         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8910         athlon_ivector_store_amdfam10): New define_insn_reservation.
8911         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8912         amdfam10.
8913
8914 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8915
8916         * config/i386/athlon.md (athlon_call_amdfam10,
8917         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8918         define_insn_reservation.
8919         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8920         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8921         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8922
8923 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8924
8925         * config/i386/athlon.md (athlon_sseld_amdfam10,
8926         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8927         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8928
8929 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8930
8931         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8932         define_insn_reservation.
8933         * config/i386/i386.md (sseins): Added sseins to define_attr type
8934         and define_attr unit.
8935         * config/i386/sse.md: Set type attribute to sseins for insertq
8936         and insertqi.
8937
8938 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8939
8940         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8941         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8942         ssecomi_load_amdfam10, ssecomi_amdfam10,
8943         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8944         define_insn_reservation.
8945         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8946
8947 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8948
8949         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8950         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8951         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8952         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8953         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8954         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8955         define_insn_reservation.
8956
8957         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8958         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8959         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8960         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8961         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8962
8963 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8964
8965         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8966         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8967         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8968         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8969         athlon_ssemul_load_k8): Added amdfam10.
8970
8971 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8972
8973         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8974         (x86_sse_unaligned_move_optimal): New variable.
8975
8976         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8977         m_AMDFAM10.
8978         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8979         for unaligned vector SSE double/single precision loads for AMDFAM10.
8980
8981 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8982
8983         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8984         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8985         Define TARGET_CPU_DEFAULT_amdfam10.
8986         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8987         (processor_type): Add PROCESSOR_AMDFAM10.
8988
8989         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8990         processor_type in config/i386/i386.h.
8991         Enable imul peepholes for TARGET_AMDFAM10.
8992
8993         * config.gcc: Add support for --with-cpu option for amdfam10.
8994
8995         * config/i386/i386.c (amdfam10_cost): New variable.
8996         (m_AMDFAM10): New macro.
8997         (m_ATHLON_K8_AMDFAM10): New macro.
8998         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8999         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9000         x86_promote_QImode, x86_integer_DFmode_moves,
9001         x86_partial_reg_dependency, x86_memory_mismatch_stall,
9002         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9003         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9004         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9005         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9006         Enable/disable for amdfam10.
9007         (override_options): Add amdfam10_cost to processor_target_table.
9008         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9009         processor_alias_table.
9010         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9011         (ix86_adjust_cost): Add code for amdfam10.
9012
9013 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9014
9015         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9016         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9017         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9018         * config/i386/i386.h: Add builtin definition for SSE4A.
9019         * config/i386/i386.md: Add support for ABM instructions
9020         (popcnt and lzcnt).
9021         * config/i386/sse.md: Add support for SSE4A instructions
9022         (movntss, movntsd, extrq, insertq).
9023         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9024         Add -march=amdfam10 flag.
9025         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9026         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9027         and amdfam10.
9028         * doc/extend.texi: Add documentation for SSE4A builtins.
9029
9030 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9031
9032         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9033
9034 2007-02-05  Richard Guenther  <rguenther@suse.de>
9035
9036         * tree-vectorizer.h (vectorizable_function): Add argument type
9037         argument, change return type.
9038         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9039         * tree-vect-transform.c (vectorizable_function): Handle extra
9040         argument, return vectorized function decl.
9041         (build_vectorized_function_call): Remove.
9042         (vectorizable_call): Handle calls with result and argument types
9043         differing.  Handle loop vectorization factor correctly.
9044         * targhooks.c (default_builtin_vectorized_function): Adjust for
9045         extra argument.
9046         * targhooks.h (default_builtin_vectorized_function): Likewise.
9047         * target.h (builtin_vectorized_function): Add argument type
9048         argument.
9049         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9050         extra argument, allow vectorizing of lrintf.
9051         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9052         documentation of target hook.
9053
9054 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9055
9056         PR target/30665
9057         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9058         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9059         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9060
9061 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9062
9063         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9064         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9065         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9066         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9067         before canonicalizing sincos to cexpi.
9068         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9069
9070 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9071
9072         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9073         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9074         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9075
9076 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9077
9078         * mips-tfile.c (initialize_init_file): Correct endianness test.
9079
9080 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9081
9082         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9083         the 'y' constraint.
9084
9085 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9086
9087         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9088         saves in a PARALLEL before the register assignments.
9089
9090 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9091
9092         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9093         DWARF_FRAME_RETURN_COLUMN to be a general register.
9094         * dwarf2out.c (init_return_column_size): New function, split from...
9095         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9096         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9097         to be nongeneral registers.
9098         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9099         integer registers.
9100         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9101         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9102
9103 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9104
9105         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9106
9107 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9108
9109         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9110         (remove_path): Use can_remove_branch_p and remove_branch instead
9111         of loop_delete_branch_edge.
9112         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9113         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9114         Update profile using scale_dominated_blocks_in_loop.
9115         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9116         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9117         (can_remove_branch_p, remove_branch): Declare.
9118         * tree-cfg.c (tree_can_remove_branch_p): New function.
9119         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9120         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9121         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9122
9123 2007-02-05  Jan Hubicka  <jh@suse.cz>
9124
9125         PR middle-end/30696
9126         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9127         nodes in cgraph, don't remove offline copy of the function.
9128
9129 2007-02-04  Jan Hubicka  <jh@suse.cz>
9130
9131         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9132         vectors might cause maybe_lookup_element_for_expr to be called
9133         on non-sra-candidate.
9134
9135 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9136
9137         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9138         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9139         spelling conventions.
9140
9141 2007-02-04  Richard Guenther  <rguenther@suse.de>
9142
9143         PR middle-end/30636
9144         * fold-const.c (try_move_mult_to_index): Make sure to not
9145         overflow one dimension of a multi-dimensional array access.
9146
9147 2007-02-04  Jan Hubicka  <jh@suse.cz>
9148
9149         * passes.c (init_optimization_passes): Reindent.
9150
9151 2007-02-04  Jan Hubicka  <jh@suse.cz>
9152             Eric Botcazou  <ebotcazou@adacore.com>
9153
9154         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9155         (execute_fixup_cfg): Break out the abnormal goto code.
9156         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9157         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9158         (optimize_inline_calls): Call make_nonlocal_label_edges.
9159
9160 2007-02-04  Jan Hubicka  <jh@suse.cz>
9161
9162         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9163         true when something was changed.
9164         (rename_ssa_copies): When something was changed, do
9165         TODO_remove_unused_locals.
9166         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9167         add TODO_remove_unused_locals when instruction was removed.
9168
9169 2007-02-04  Jan Hubicka  <jh@suse.cz>
9170
9171         * ipa-inline.c (try_inline): Improve debug output; work on already
9172         inline edges too.
9173         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9174         call try_inline for already inlined edges too when flattening;
9175         inline also functions that make callee growth but overall unit size
9176         reduce.
9177
9178 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9179
9180         * config/m32c/bitops.md, config/m32c/jump.md,
9181         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9182         config/m32r/m32r.h, config/m32r/m32r.md,
9183         config/m32r/predicates.md, config/m68hc11/larith.asm,
9184         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9185         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9186         config/mips/mips-protos.h, config/mips/mips.c,
9187         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9188         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9189         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9190         spelling conventions.
9191
9192         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9193         Follow spelling conventions.
9194
9195 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9196
9197         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9198         warn about C++0x compatibility.
9199
9200 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9201
9202         * config/h8300/h8300.c, config/h8300/h8300.h,
9203         config/h8300/h8300.md: Follow spelling conventions.
9204
9205 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9206
9207         PR middle-end/30667
9208         * combine.c (try_combine): Do not substitute source operand
9209         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9210
9211 2007-02-03  Jan Hubicka  <jh@suse.cz>
9212
9213         PR gcov-profile/30650
9214         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9215         do not divide by zero for never executed counters.
9216         (tree_find_values_to_profile): Fix counters.
9217         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9218
9219 2007-02-03  Ian Lance Taylor  <iant@google.com>
9220
9221         * lower-subreg.c (simple_move_operand): New static function,
9222         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9223         operands.
9224         (simple_move): Call simple_move_operand.
9225         (find_decomposable_subregs): Add special handling of MEMs.
9226         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9227         meaning of return value.  If we see a hard register, test whether
9228         it can store a word_mode value.  Change all callers.
9229
9230 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9231
9232         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9233         ftrapv insns and expanders.
9234         (subdi3): Change define_expand operand 1 to arith11_operand, and
9235         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9236         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9237         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9238         respectively.
9239
9240         PR middle-end/30174
9241         * varasm.c (notice_global_symbol): Treat global objects as weak when
9242         flag_shlib is true.
9243
9244 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9245
9246         * emit-rtl.c (dconstpi): Delete.
9247         (dconstsqrt2): New.
9248         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9249         * real.h (dconstpi): Delete.
9250         (dconstsqrt2): New.
9251         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9252         (fold_builtin_hypot): Likewise.
9253
9254 2007-02-03  Tom Tromey  <tromey@redhat.com>
9255
9256         PR driver/30246
9257         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9258         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9259
9260 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9261
9262         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9263         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9264         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9265         config/rs6000/cell.md, config/rs6000/darwin.h,
9266         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9267         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9268         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9269         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9270         typos.  Follow spelling conventions.
9271         * doc/invoke.texi: Follow spelling conventions.
9272
9273 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9274
9275         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9276         canonicalization transformations that attempt to simplify integer
9277         constant comparisons to become comparisons against zero.
9278
9279 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9280
9281         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9282         fabs(x)*sqrt(2).
9283         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9284         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9285
9286 2007-02-02  Mike Stump  <mrs@apple.com>
9287
9288         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9289         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9290         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9291         generate a branch island.
9292
9293 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9294
9295         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9296         (xtensa_legitimate_address_p): New.
9297         (xtensa_legitimize_address): New.
9298         (xtensa_output_addr_const_extra): New.
9299         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9300         (BASE_REG_P): New.
9301         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9302         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9303         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9304         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9305         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9306         (xtensa_legitimize_address): New.
9307         (xtensa_output_addr_const_extra): New.
9308
9309 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9310
9311         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9312
9313 2007-02-02  Ian Lance Taylor  <iant@google.com>
9314
9315         * expmed.c (expand_divmod): Add comment.
9316
9317 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9318
9319         * emit-rtl.c (renumber_insns): Remove.
9320         * flags.h: Remove the extern for flag_renumber_insns.
9321         * rtl.h: Remove the prototype for renumber_insns.
9322         * toplev.c (flag_renumber_insns): Remove.
9323
9324 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9325
9326         Revert for x86 darwin:
9327         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9328
9329         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9330         code before the following patch under TARGET_MACHO.
9331         (ix86_function_value_regno_p): Likewise.
9332
9333 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9334
9335         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9336         COMPLEX_EXPR.
9337
9338 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9339
9340         PR target/29682
9341         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9342         general or fp registers.  Add comments.
9343         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9344
9345 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9346
9347         * pointer-set.c (insert_aux): Only return insertion slot.
9348         (pointer_set_insert): Adjust.
9349         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9350         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9351         pointer_map_traverse): New.
9352         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9353         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9354         pointer_map_contains, pointer_map_traverse): Declare.
9355
9356 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9357
9358         PR middle-end/30473
9359         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9360         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9361
9362 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9363
9364         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9365
9366         (struct _dep): New type.
9367         (dep_t): New typedef.
9368         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9369         (DEP_STATUS): New access macro.  The macro with the same name was
9370         renamed to DEP_LINK_STATUS.
9371         (dep_init): Declare function
9372
9373         (struct _dep_link): New type.
9374         (dep_link_t): New typedef.
9375         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9376         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9377         (DEP_LINK_STATUS): New macro.
9378         (debug_dep_links): New debug function.
9379
9380         (struct _deps_list): New type.
9381         (deps_list_t): New typedef.
9382         (DEPS_LIST_FIRST): New access macro.
9383         (FOR_EACH_DEP_LINK): New cycle macro.
9384         (create_deps_list, free_deps_list, delete_deps_list): Declare
9385         functions.
9386         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9387         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9388         (copy_deps_list_change_con): Ditto.
9389
9390         (move_dep_link): Declare function.
9391
9392         (struct _dep_node): New type.
9393         (dep_node_t): New typedef.
9394         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9395
9396         (struct haifa_insn_data.back_deps): New field to hold backward
9397         dependencies of the insn.
9398         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9399         to deps_list_t.
9400         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9401         Change its type to deps_list_t.
9402         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9403         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9404         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9405
9406         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9407
9408         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9409
9410         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9411         all callers.
9412         (dep_cost): Declare.
9413
9414         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9415         (ds_to_dk, dk_to_ds): New functions.
9416
9417         (init_dep_1): New static function.
9418         (init_dep): New function.
9419         (copy_dep): New static function.
9420
9421         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9422         functions.
9423         (detach_dep_link): New static function.
9424         (move_dep_link): New function.
9425
9426         (dep_links_consistent_p, dump_dep_links): New static functions.
9427         (debug_dep_links): New debugging function.
9428
9429         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9430
9431         (alloc_deps_list, init_deps_list): New static functions.
9432         (create_deps_list): New function.
9433         (clear_deps_list): New static function.
9434         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9435         (deps_list_consistent_p, dump_deps_list): New static functions.
9436         (debug_deps_list): New function.
9437         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9438         functions.
9439         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9440
9441         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9442         use new scheduler dependencies lists.
9443         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9444         (sched_analyze): Ditto.  Initialize dependencies lists.
9445         (add_forw_dep, compute_forward_dependences): Update to use new
9446         scheduler dependencies lists.
9447
9448         (init_dependency_caches): Init deps_obstack.
9449         (free_dependency_caches): Free deps_obstack.
9450
9451         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9452         new scheduler dependencies lists.
9453         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9454         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9455
9456         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9457         Update to use new scheduler dependencies lists.
9458         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9459         (debug_dependencies): Ditto.
9460         (schedule_region): Update comments.
9461
9462         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9463         scheduler dependencies lists.
9464         (schedule_ebb): Update comments.
9465
9466         * rtl.def (DEPS_LIST): Remove.
9467
9468         * lists.c (unused_deps_list): Remove.
9469         (free_list): Update assertions.
9470
9471         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9472         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9473
9474         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9475         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9476
9477         * haifa-sched.c (comments): Update.
9478         (insn_cost1): Remove.  Inline the code into insn_cost ().
9479         (insn_cost): Update to use new scheduler dependencies lists.  Move
9480         processing of the dependency cost to dep_cost ().
9481         (dep_cost): New function.  Use it instead of insn_cost () when
9482         evaluating cost of the dependency.  Use compatible interface to
9483         interact with the target.
9484         (priority): Update to use new scheduler dependencies lists.
9485         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9486         with greater number of insns that depend on the insn.
9487         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9488         code to free backward dependencies lists.  Inline and optimize code
9489         from resolve_dep () - see PR28071.
9490         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9491         lists.  Update call to targetm.sched.is_costly_dependence hook.
9492
9493         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9494         scheduler dependencies lists.
9495
9496         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9497         (init_h_i_d): Initialize dependencies lists.
9498
9499         (process_insn_depend_be_in_spec): Rename to
9500         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9501         dependencies lists.
9502         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9503         Update to use new scheduler dependencies lists.
9504         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9505
9506         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9507         new scheduler dependencies lists.
9508         (build_intra_loop_deps): Ditto.
9509
9510         * target.h (struct _dep): Declare to use in
9511         gcc_target.sched.is_costly_dependence.
9512         (struct gcc_target.sched.adjust_cost): Fix typo.
9513         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9514         single dep_t parameter instead of an equivalent triad.
9515         (struct gcc_target.sched.adjust_cost_2): Remove.
9516
9517         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9518
9519         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9520
9521         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9522         documentation.
9523         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9524
9525         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9526         (REG_DEP_TRUE): Document.
9527
9528         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9529         Change signature to correspond to the targetm.sched.adjust_cost hook.
9530         Update use in TARGET_SCHED_ADJUST_COST_2.
9531         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9532         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9533         new scheduler dependencies lists.
9534         (ia64_gen_check): Ditto.
9535
9536         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9537         dependencies lists.
9538
9539         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9540         signature to correspond to the targetm.sched.is_costly_dependence hook.
9541         (is_costly_group): Update to use new scheduler dependencies lists.
9542
9543         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9544         instead of INSN_COST () macro.
9545
9546 2007-02-01  Ian Lance Taylor  <iant@google.com>
9547
9548         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9549
9550 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9551
9552         * pa.md (tp_load): Correct mfctl instruction syntax.
9553
9554 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9555
9556         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9557         altivec_padding_size calculation on AIX.  Improve comment, add
9558         assert to verify that it's right.
9559
9560         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9561         64-bit.
9562
9563 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9564
9565         PR inline-asm/28686
9566         * global.c (global_alloc): Add mising initialization of
9567         ELIMINABLE_REGSET.
9568
9569 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9570
9571         * alias.c (init_alias_analysis): Correct whitespace.
9572         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9573         partition_hot_cold_basic_blocks): Likewise.
9574         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9575         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9576         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9577         fold_builtin_snprintf_chk, fold_builtin_printf,
9578         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9579         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9580         * cfgcleanup.c (cleanup_cfg): Likewise.
9581         * cfgexpand.c (tree_expand_cfg): Likewise.
9582         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9583         * function.c (get_next_funcdef_no): Likewise.
9584         * gengtype.c (main): Likewise.
9585         * genmodes.c (main): Likewise.
9586         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9587         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9588         * ifcvt.c (noce_emit_move_insn): Likewise.
9589         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9590         Likewise.
9591         * stor-layout.c (get_best_mode): Likewise.
9592         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9593         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9594         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9595         perform_var_substitution, solve_graph): Likewise.
9596         * tree-vrp.c (vrp_finalize): Likewise.
9597
9598 2007-02-01  Ian Lance Taylor  <iant@google.com>
9599
9600         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9601         high part of a paradoxical subreg, return a constant zero.
9602
9603 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9604
9605         * toplev.c (lang_dependent_init): Call init_set_costs.
9606         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9607
9608 2007-02-01  Richard Guenther  <rguenther@suse.de>
9609
9610         PR middle-end/30656
9611         * fold-const.c (fold_negate_expr): Allow negating a
9612         constant if overflow does not change.
9613
9614 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9615
9616         * doc/c-tree.texi (Expression trees): Improve markup.
9617         * doc/tm.texi (Register Classes, Addressing Modes)
9618         (Floating Point): Fix spacing after abbreviations.  Fix some
9619         typos.
9620
9621 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9622
9623         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9624         * doc/contrib.texi: Likewise.
9625         * doc/install.texi: Likewise.
9626
9627 2007-01-31  Richard Henderson  <rth@redhat.com>
9628             Ian Lance Taylor  <iant@google.com>
9629
9630         * lower-subreg.c: New file.
9631         * rtl.def (CONCATN): Define.
9632         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9633         pass_lower_subreg2.
9634         * emit-rtl.c (update_reg_offset): New static function, broken out
9635         of gen_rtx_REG_offset.
9636         (gen_rtx_REG_offset): Call update_reg_offset.
9637         (gen_reg_rtx_offset): New function.
9638         * regclass.c: Revert patch of 2006-03-05, restoring
9639         reg_scan_update.
9640         (clear_reg_info_regno): New function.
9641         * dwarf2out.c (concatn_loc_descriptor): New static function.
9642         (loc_descriptor): Handle CONCATN.
9643         * common.opt (fsplit_wide_types): New option.
9644         * opts.c (decode_options): Set flag_split_wide_types when
9645         optimizing.
9646         * timevar.def (TV_LOWER_SUBREG): Define.
9647         * rtl.h (gen_reg_rtx_offset): Declare.
9648         (reg_scan_update): Declare.
9649         * regs.h (clear_reg_info_regno): Declare.
9650         * tree-pass.h (pass_lower_subreg): Declare.
9651         (pass_lower_subreg2): Declare.
9652         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9653         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9654         -fsplit-wide-types.
9655         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9656         * Makefile.in (OBJS-common): Add lower-subreg.o.
9657         (lower-subreg.o): New target.
9658
9659 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9660
9661         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9662
9663 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9664
9665         PR target/19087
9666         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9667
9668 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9669
9670         PR middle-end/29335
9671         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9672
9673 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9674
9675         * cfgloop.h: Include vec-prim.h.
9676         (enum li_flags): Remove LI_ONLY_OLD.
9677         (loop_iterator): Changed.
9678         (fel_next, fel_init): Iterate over loop tree.
9679         (FOR_EACH_LOOP_BREAK): New macro.
9680         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9681         FOR_EACH_LOOP.
9682         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9683         * modulo-sched.c (sms_schedule): Ditto.
9684         * tree-vectorizer.c (vectorize_loops): Ditto.
9685         * doc/loop.texi: Update information on loop numbering and behavior of
9686         FOR_EACH_LOOP wrto new loops.
9687         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9688         add_to_evolution_1): Test nestedness of loops instead of comparing
9689         their numbers.
9690         * tree-chrec.c (chrec_fold_plus_poly_poly,
9691         chrec_fold_multiply_poly_poly, chrec_evaluate,
9692         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9693         reset_evolution_in_loop): Ditto.
9694         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9695
9696 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9697
9698         * c-common.c (warn_about_parentheses): Separate warning about
9699         un-parenthized sequence of comparison operators from the one
9700         which is supposed to warn about x <= y <= z.
9701
9702 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9703
9704         * optabs.h (enum optab_index): Add new OTI_isinf.
9705         (isinf_optab): Define corresponding macro.
9706         * optabs.c (init_optabs): Initialize isinf_optab.
9707         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9708         patterns.
9709         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9710         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9711         using isinf_optab.
9712         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9713         expand_builtin_interclass_mathfn.
9714         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9715         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9716         (fxam<mode>2_i387): New insn pattern.
9717         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9718         built-in functions as x87 inline asm.
9719
9720 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9721
9722         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9723
9724 2007-01-30  Eric Christopher  <echristo@apple.com>
9725
9726         * config.gcc: Add geode.
9727
9728 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9729
9730         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9731         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9732         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9733         value-prof.c: Fix comment typos.
9734
9735 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9736
9737         PR c++/24745
9738         * doc/invoke.texi (Wpointer-arith): Document warning.
9739
9740 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9741
9742         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9743         the list of discrepancies from the draft TR.
9744
9745 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9746
9747         PR c++/30601
9748         * doc/invoke.texi (-Wreturn-type): Update description to
9749         match new behavior.
9750
9751 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9752
9753         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9754
9755 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9756
9757         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9758         to handle optabs that operate on floating point input argument and
9759         output to integer output.
9760         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9761         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9762         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9763         expand_builtin_interclass_mathfn ().
9764         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9765         (ilogbsi2): Remove.
9766         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9767         ilogbl built-in functions as x87 intrinsics.
9768
9769 2007-01-30  Richard Guenther  <rguenther@suse.de>
9770
9771         PR middle-end/27657
9772         * dwarf2out.c (reference_to_unused): Query varpool if the
9773         variable was output.
9774
9775 2007-01-30  Richard Guenther  <rguenther@suse.de>
9776
9777         PR middle-end/30313
9778         * passes.c (execute_one_pass): Reset in_gimple_form to not
9779         confuse non-unit-at-a-time mode.
9780
9781 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9782             Richard Guenther  <rguenther@suse.de>
9783
9784         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9785         avoid undefined behaviour on overflow.  Use force_fit_type_double
9786         to construct the constant with the specified TREE_OVERFLOW.
9787
9788 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9789
9790         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9791         * config/dfp-bit.h: Ditto.
9792
9793 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9794
9795         * c-decl.c (pop_scope): Replace warnings with call to
9796         warn_for_unused_label.
9797         * c-common.h (warn_for_unused_label): Declare.
9798         * c-common.c (warn_for_unused_label): Define.
9799
9800 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9801
9802         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9803         function.
9804
9805 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9806
9807         * Makefile.in (USER_H): Remove decfloat.h.
9808         * ginclude/decfloat.h: Delete, moving contents to ...
9809         * ginclude/float.h: Add support for decimal floating point,
9810         guarded by __STDC_WANT_DEC_FP__.
9811
9812 2007-01-29  Mike Stump  <mrs@apple.com>
9813
9814         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9815         Analysis and Representation to resolve case insensitive conflict.
9816         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9817
9818 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9819
9820         * tree.h (struct tree_memory_tag): Add aliases member.
9821         (MTAG_ALIASES): New macro.
9822         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9823         (add_may_alias): Remove pointer-set. Update for may_aliases being
9824         a bitmap.
9825         (mark_aliases_call_clobbered): Update for may_aliases being a
9826         bitmap.
9827         (compute_tag_properties): Ditto.
9828         (create_partition_for): Ditto.
9829         (compute_memory_partitions): Ditto.
9830         (dump_may_aliases_for): Ditto.
9831         (is_aliased_with): Ditto.
9832         (add_may_alias_for_new_tag): Ditto.
9833         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9834         (compute_is_aliased): New function.
9835         (compute_may_aliases): Call compute_is_aliased).
9836         (init_alias_info): Initialize alias_bitmap_obstack.
9837         (union_alias_set_into): New function.
9838         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9839         (have_common_aliases_p): Rewrite to take two bitmaps and use
9840         intersection.
9841         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9842         Update for bitmaps.
9843         (finalize_ref_all_pointers): Update for add_may_alias changes.
9844         (new_type_alias): Ditto.
9845         * tree-flow-inline.h (may_aliases): Return a bitmap.
9846         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9847         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9848         may_aliases being a bitmap.
9849         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9850         may_aliases now returns a bitmap.
9851         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9852         being a bitmap.
9853         * tree-ssa-operands.c (add_virtual_operand): Update for
9854         may_aliases being a bitmap.
9855
9856 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9857
9858         PR tree-optimization/30630
9859         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9860         variable as changed.
9861
9862 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9863
9864         PR c++/28266
9865         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9866         expanded only once even if an error occurs.
9867
9868 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9869
9870         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9871         (__gcov_average_profiler): Likewise.
9872         (__gcov_ior_profiler): Likewise.
9873         (__gcov_merge_ior): Likewise.
9874
9875 2007-01-28  Jan Hubicka  <jh@suse.cz>
9876
9877         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9878         * value-prof.c (stringop_block_profile): Likewise.
9879
9880 2007-01-28  Jan Hubicka  <jh@suse.cz>
9881
9882         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9883         variant handling histograms; add wrapper.
9884         (clear_storage_via_libcall): Export.
9885         (emit_block_move_hints): Break out from ...; add histograms.
9886         (emit_block_move): ... this one.
9887         (clear_storage_hints): Break out from ...; add histograms.
9888         (clear_storage): ... this one.
9889         (set_storage_via_memset): Handle histogram.
9890         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9891         (clear_storage_hints, clear_storage_via_libcall): Declare.
9892         (set_storage_via_setmem): Update prototype.
9893         * doc/md.texi (movmem, setmem): Document new arguments.
9894
9895         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9896         new histograms.
9897         (stringop_block_profile): New global function.
9898         (tree_stringops_values_to_profile): Profile block size and alignment.
9899         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9900         HIST_TYPE_IOR.
9901         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9902         (stringop_block_profile): Declare.
9903         * builtins.c: Include value-prof.h.
9904         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9905         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9906         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9907         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9908         * profile.c (instrument_values): Add new counters.
9909         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9910         calls.
9911         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9912         (tree_init_edge_profiler): Build new profilers.
9913         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9914         (pass_tree_profile): Add dump.
9915         (tree_profile_hooks): Update.
9916         * Makefile.in (LIBGCOV): Add new constants.
9917         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9918         __gcov_ior_profiler): New.
9919         * i386.md (movmem/setmem expanders): Add new optional arguments.
9920
9921 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9922
9923         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9924
9925 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9926
9927         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9928         (tree_unswitch_single_loop): Pass eni_size_weights to
9929         tree_num_loop_insns.
9930         * tree-ssa-loop-manip.c: Include tree-inline.h.
9931         (can_unroll_loop_p): Pass eni_size_weights to
9932         tree_num_loop_insns.
9933         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9934         Pass eni_size_weights to estimate_num_insns.
9935         * tree.h (init_inline_once): Export.
9936         * toplev.c (backend_init): Call init_inline_once.
9937         * cgraphunit.c (cgraph_process_new_functions,
9938         cgraph_analyze_function): Pass eni_inlining_weights to
9939         estimate_num_insns.
9940         * ipa-inline.c (compute_inline_parameters): Ditto.
9941         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9942         to estimate_num_insns.
9943         (try_unroll_loop_completely): Pass eni_size_weights to
9944         tree_num_loop_insns.
9945         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9946         ot estimate_num_insns.
9947         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9948         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9949         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9950         eni_time_weights): New variables.
9951         (init_inline_once): Initialize them.
9952         (struct eni_data): Mew.
9953         (estimate_num_insns_1, estimate_num_insns): Use weights.
9954         * tree-inline.h (struct eni_weights_d): New.
9955         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9956         (estimate_num_insns): Declaration changed.
9957         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9958         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9959         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9960
9961 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9962
9963         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9964         relations in the conflict function is valid.
9965
9966 2007-01-27  Ian Lance Taylor  <iant@google.com>
9967
9968         * common.opt: Add fstrict-overflow.
9969         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9970         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9971         (TYPE_OVERFLOW_UNDEFINED): Define.
9972         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9973         Replace all uses.
9974         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9975         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9976         (fold_negate_expr): Likewise.
9977         (make_range): Likewise.
9978         (extract_muldiv_1): Likewise.
9979         (maybe_canonicalize_comparison): Likewise.
9980         (fold_comparison): Likewise.
9981         (fold_binary): Likewise.
9982         (tree_expr_nonnegative_p): Likewise.
9983         (tree_expr_nonzero_p): Likewise.
9984         * tree-vrp.c (compare_values): Likewise.
9985         (extract_range_from_binary_expr): Likewise.
9986         (extract_range_from_unary_expr): Likewise.
9987         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9988         Likewise.
9989         (nowrap_type_p): Likewise.
9990         * tree-scalar-evolution.c (simple_iv): Likewise.
9991         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9992         (build_range_check): Likewise.
9993         (extract_muldiv_1): Likewise.
9994         (fold_comparison): Likewise.
9995         * tree-vrp.c (vrp_int_const_binop): Likewise.
9996         (extract_range_from_unary_expr): Likewise.
9997         * convert.c (convert_to_integer): Likewise.
9998         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9999         (fold_comparison): Likewise.
10000         (fold_binary): Likewise.
10001         * optabs.c (optab_for_tree_code): Likewise.
10002         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10003         * simplify-rtx.c (simplify_const_relational_operation): Check
10004         flag_strict_overflow and flag_trapv.
10005         (simplify_const_relational_operation): Likewise.
10006         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10007         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
10008         -fstrict-overflow.
10009
10010 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10011
10012         * tree.c (tree_fold_gcd): Delete.
10013         * tree.h (tree_fold_gcd): Remove prototype.
10014         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10015         test whether one constant integer is a multiple of another.  Instead
10016         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10017         * fold-const.c (multiple_of_p):  We've determined both TOP and
10018         BOTTOM are integer constants so we can call int_const_binop directly
10019         instead of the more generic const_binop.
10020
10021 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10022
10023         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10024         1*X check that the constant hasn't overflowed, to preserve the
10025         TREE_OVERFLOW bit.
10026         (round_up): Provide an efficient implementation when rouding-up an
10027         INTEGER_CST to a power-of-two.
10028
10029 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10030
10031         * doc/sourcebuild.texi: Add comma for clarity.
10032         * doc/extend.texi: Fix some typos.
10033         * doc/passes.texi: Likewise.
10034         * doc/cppinternals.texi: Likewise.
10035         * doc/c-tree.texi: Likewise.
10036         * doc/tree-ssa.texi: Likewise.
10037         * doc/install.texi: Likewise.
10038
10039 2007-01-27  Jan Hubicka  <jh@suse.cz>
10040
10041         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10042         (pass_sra): Do not require alias information.
10043         * passes.c (init_optimization_passes): Add SRA
10044
10045 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10046
10047         * tracer.c (rest_of_handle_tracer): We already cleaned
10048         up the CFG in tracer() so don't do it here again.
10049         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10050         cleanup_cfg here, either.  And don't call renumber_insns.
10051
10052         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10053         and BB_HEAD are in the insn stream here.  Instead make sure
10054         that BB_INSN is valid on all insns.  Also, do check here that
10055         there are no pending branch predictions...
10056         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10057         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10058         here.
10059
10060 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10061
10062         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10063         function to simplify/factorize operand order canonicalization.
10064         (ix86_fixup_binary_operands): Reorganize using the above function.
10065         (ix86_binary_operator_ok): Likewise.
10066
10067 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10068
10069         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10070         file scope from optimize_attrs.
10071         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10072         up search.
10073         (optimize_attrs): Clear insn_code_values after freeing it.
10074
10075 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10076
10077         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10078         a parts.base assignment.
10079
10080 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10081
10082         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10083         (compute_subscript_distance, initialize_data_dependence_relation,
10084         finalize_ddr_dependent, analyze_ziv_subscript,
10085         analyze_siv_subscript_cst_affine,
10086         compute_overlap_steps_for_affine_univar,
10087         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10088         analyze_siv_subscript, analyze_miv_subscript,
10089         analyze_overlapping_iterations, subscript_dependence_tester_1,
10090         compute_self_dependence, free_dependence_relation): Work
10091         with affine_fn instead of chrecs.
10092         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10093         common_affine_function, affine_function_base,
10094         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10095         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10096         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10097         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10098         (all_chrecs_equal_p): Removed.
10099         * tree-data-ref.h (affine_fn, conflict_function): New types.
10100         (struct subscript): Change type of conflicting_iterations_in_a
10101         and conflicting_iterations_in_b.
10102
10103 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10104
10105         PR other/30182
10106         * config/pa/pa.h (TARGET_HPUX_11): New.
10107         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10108         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10109
10110 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10111         Richard Guenther  <rguenther@suse.de>
10112
10113         * tree-ssa-structalias.c (solve_graph): Handle case
10114         we merged the variable to another.
10115
10116 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10117
10118         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10119         functions.
10120
10121         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10122         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10123
10124 2007-01-25  DJ Delorie  <dj@redhat.com>
10125
10126         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10127         allow changes to modes which don't fit in those registers.
10128
10129         * reload1.c (choose_reload_regs): Check for invalid subregs before
10130         computing their locations, not after.
10131
10132 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10133
10134         PR 25127
10135         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10136         save Altivec registers in an eh_return function.
10137         (compute_vrsave_mask): Likewise.
10138         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10139         for saving Altivec registers.
10140         (rs6000_emit_prologue): Don't allocate stack twice in
10141         eh_return function.  Correct expected value of altivec_save_offset
10142         when using save_world.  Describe save of R0 to stack when using
10143         save_world.  Describe stack pointer adjustment when using
10144         save_world.  Remove duplicated eh_return parameter register saving.
10145         Update sp_offset variable after save_world.
10146         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10147         darwin-world.asm.
10148         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10149         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10150         implies Altivec.
10151
10152 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10153
10154         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10155
10156 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10157
10158         PR other/30182
10159         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10160         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10161
10162 2007-01-25  Richard Guenther  <rguenther@suse.de>
10163
10164         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10165         * common.opt (-Wcoverage-mismatch): New warning option.
10166         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10167         if -Wcoverage-mismatch is given.
10168
10169 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10170
10171         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10172         (ipcp_driver): Change to static definition.
10173         Add dumping of the ifunctions.
10174         (constant_val_insert): Remove unused parameter. Support for SSA.
10175         (ipcp_propagate_const): Support for SSA.
10176         (ipcp_profile_bb_print): Print only analyzed nodes.
10177         (ipcp_replace_map_create): Remove support for Fortran constant
10178         for now.
10179         * ipa-prop.c (ipa_method_modify_stmt,
10180         ipa_callsite_compute_param): Support for SSA.
10181         * ipa-prop.h (ipcp_driver): Remove declaration.
10182         (IS_VALID_TREE_MAP_INDEX): Add define.
10183
10184 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10185
10186         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10187
10188 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10189
10190         PR middle-end/30447
10191         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10192         constant argument to cabs and do it without checking for
10193         -funsafe-math-optimizations.
10194
10195 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10196
10197         * c-common.h (RID_FIRST_CXX0X): New.
10198         (RID_LAST_CXX0X): New.
10199         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10200         by -Wall.
10201         * c.opt (Wc++0x-compat): New.
10202         * doc/invoke.texi (-Wc++0x-compat): Document.
10203
10204 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10205
10206         * builtins.c (fold_builtin_carg): New.
10207         (fold_builtin_1): Use it.
10208
10209 2007-01-24  Jan Hubicka  <jh@suse.cz>
10210
10211         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10212
10213         * ipa-inline.c (initial_insns, max_insns): Delete.
10214         (compute_max_insns): New function.
10215         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10216         of insns as base for code growth.
10217         (cgraph_decide_inlining): Make initial_insns local; do not compute
10218         max_insns.
10219         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10220         * doc/invoke.texi (inline-unit-growth): Update docs.
10221
10222 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10223
10224         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10225         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10226         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10227         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10228         for CPUs that have PTA_CX16 set.
10229
10230         PR middle-end/27416
10231         * gimplify.c (omp_check_private): New function.
10232         (gimplify_scan_omp_clauses): Use it for
10233         firstprivate/lastprivate/reduction.
10234
10235         PR middle-end/30494
10236         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10237         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10238
10239         PR middle-end/30421
10240         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10241         If lower_lastprivate_clauses emits some statements, append them
10242         to dlist rather than body_p and to body_p append an initializer.
10243         (lower_omp_for): Adjust caller.
10244
10245 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10246
10247         * target.h (globalize_decl_name): New.
10248         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10249         * output.h (default_globalize_decl_name): New.
10250         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10251         globalize_label.
10252         (globalize_decl): Ditto.
10253         (default_globalize_decl_name): New.
10254         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10255         (ia64_handle_version_id_attribute): New.
10256         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10257         (ia64_asm_output_external): Use globalize_decl_name instead
10258         of globalize_label.
10259         * doc/extend.texi (version_id): New pragma.
10260         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10261
10262 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10263
10264         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10265         _uleb128_t and _Unwind_SWord with _sleb128_t.
10266         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10267         uw_frame_state_for, uw_update_context_1): Likewise.
10268         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10269         * unwind-pe.h (read_uleb128, read_sleb128,
10270         read_encoded_value_with_base): Likewise.
10271         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10272
10273 2007-01-24  Richard Guenther  <rguenther@suse.de>
10274
10275         * builtins.c (expand_builtin_cexpi): Get the fndecl
10276         for cexp in the correct way.
10277
10278 2007-01-24  Jan Hubicka  <jh@suse.cz>
10279
10280         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10281
10282 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10283
10284         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10285         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10286         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10287         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10288         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10289         __SIZEOF_PTRDIFF_T__.
10290         * doc/cpp.texi: Documentation for the new builtin macros added.
10291
10292 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10293
10294         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10295         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10296         instead of operands[2] to avoid access past the end of array.
10297
10298 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10299
10300         * reload1.c (emit_reload_insns): Pass the reload register
10301         for a non-spill output reload through forget_old_reloads_1.
10302
10303 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10304
10305         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10306         _SOFT_DOUBLE if doubles use software floating-point.
10307         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10308         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10309         * config/rs6000/darwin-ldouble.c: Also compile functions for
10310         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10311         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10312         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10313         commented-out long double override.
10314         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10315         * config/rs6000/eabispe.h: Likewise.
10316         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10317         long double for non-SPE.
10318         (rs6000_handle_option): Likewise.
10319         (invalid_e500_subreg): Disallow more subregs involding DImode,
10320         DFmode, TImode or TFmode.
10321         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10322         E500 double.
10323         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10324         double.
10325         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10326         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10327         double.
10328         (rs6000_legitimate_address): Also check for TFmode for E500
10329         double.
10330         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10331         (spe_build_register_parallel): Handle TFmode and TCmode.
10332         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10333         double.
10334         (function_arg): Handle TFmode and TCmode for E500 double.
10335         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10336         in general.
10337         (print_operand): Handle TFmode and TImode for %y.
10338         (rs6000_generate_compare): Handle TFmode comparisons for E500
10339         double.
10340         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10341         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10342         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10343         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10344         TFmode for E500 double.
10345         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10346         (floatsidf2): Enable for E500 double.
10347         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10348         (extenddftf2): Change to extenddftf2_fprs.
10349         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10350         depending on TARGET_E500_DOUBLE.
10351         (extendsftf2): Enable for E500 double.
10352         (trunctfdf2): Enable for E500 double.
10353         (trunctfsf2): Change to trunctfsf2_fprs.
10354         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10355         depending on TARGET_E500_DOUBLE.
10356         (floatsitf2): Enable for E500 double.
10357         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10358         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10359         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10360         (negtf2): Change to negtf2_internal.
10361         (negtf2): New expander.
10362         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10363         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10364         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10365         (movdi_internal32): Use rs6000_nonimmediate_operand.
10366         (unnamed splitter): Likewise.
10367         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10368         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10369         (SPE64TF, DITI): New mode macros.
10370         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10371         modes.
10372         (frob_tf_ti): New.
10373         (frob_<mode>_di_2): New.
10374         (frob_tf_di_8_2): New.
10375         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10376         (frob_ti_tf): New.
10377         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10378         more modes.
10379         (frob_ti_<mode>_8_2): New.
10380         (frob_ti_tf_2): New.
10381         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10382         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10383         TFmode.
10384         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10385         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10386         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10387         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10388         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10389         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10390         tsttflt_gp): New.
10391
10392 2007-01-23  Ian Lance Taylor  <iant@google.com>
10393
10394         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10395         insn-*.o first.
10396         (OBJS-archive): Reformat, alphabetize.
10397         (OBJS): Change out_object_file to OBJS-md.
10398
10399 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10400
10401         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10402         JUMP_P and CALL_P predicates where applicable.
10403         * config/i386/i386.c: Ditto.
10404         * config/i386/i386.md: Ditto.
10405         * config/i386/mmx.md: Ditto.
10406         * config/i386/predicates.md: Ditto.
10407
10408 2007-01-22  Andreas Schwab  <schwab@suse.de>
10409
10410         * config/m68k/m68k.h: Fix comment.
10411
10412 2007-01-22  Jan Hubicka  <jh@suse.cz>
10413
10414         * passes.c (init_optimization_passes): Do not rerun
10415         pass_early_warn_uninitialized.
10416
10417 2007-01-22  Richard Guenther  <rguenther@suse.de>
10418
10419         PR tree-optimization/30038
10420         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10421         function.
10422         (execute_cse_sincos_1): Likewise.
10423         (execute_cse_sincos): Likewise.
10424         (gate_cse_sincos): Likewise.
10425         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10426         the cexpi() canonicalization of sincos().
10427         * tree-pass.h (pass_cse_sincos): Declare.
10428         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10429
10430 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10431
10432         PR rtl-optimization/29329
10433         * combine.c (replaced_rhs_insn): Rename to i2mod.
10434         (replaced_rhs_value): Rename to i2mod_new_rhs.
10435         (i2mod_old_rhs): New global variable.
10436         (combine_instructions): Adjust for above change.  Save a copy of
10437         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10438         note are substituted in the second instruction.
10439         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10440         ditch the note if it pertains to the second eliminated register
10441         and this register is mentioned in i2mod_old_rhs.
10442
10443         Revert:
10444         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10445
10446         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10447         the insn to which the note was originally attached.
10448
10449 2007-01-21  Jan Hubicka  <jh@suse.cz>
10450
10451         * ipa-inline.c (inlining_mode): Comment, move up.
10452         (cgraph_decide_inlining_incrementally): Do not perform inlining
10453         itself; fix handling of flattening of self recursive functions.
10454         (cgraph_find_cycles): Remove.
10455         (cgraph_flatten_node): Remove.
10456         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10457         (try_inline): New function.
10458         (cgraph_early_inlining): Update call of
10459         cgraph_decide_inlining_incrementally.  Apply inlining here.
10460         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10461
10462 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10463
10464         PR bootstrap/30511
10465         * tree-vrp.c (check_array_bounds): do not warn
10466         about ADDR_EXPR's of ARRAY_REF's which are immediately
10467         used in binary expressions.
10468
10469 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10470
10471         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10472         read_write_dep and macros for its access.
10473         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10474         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10475         argument, call vect_check_interleaving for every independent pair of
10476         data-refs. Mark loads that access the same memory location as a store
10477         in the loop.
10478         (vect_check_dependences): Remove.
10479         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10480         call, fix the call to vect_analyze_data_ref_dependence.
10481         (vect_analyze_data_ref_access): For statements that access the same
10482         data-ref, check that they are not stores; for loads, check that there
10483         is no store that access the same location.
10484
10485 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10486             Joseph Myers  <joseph@codesourcery.com>
10487
10488         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10489         (-fdump-rtl-stack): Likewise.
10490         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10491         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10492         (-mpt-fixed): Use @minus{} for minus sign.
10493         (Using Precompiled Headers): Fix under/overfull hbox.
10494
10495 2007-01-20  Jan Hubicka  <jh@suse.cz>
10496
10497         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10498         place within annotation.
10499
10500 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10501
10502         * pa.c (output_move_double): Change array size of xoperands to 4.
10503
10504 2007-01-20  Jan Hubicka  <jh@suse.cz>
10505
10506         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10507         as temporary.
10508
10509 2007-01-19  Ian Lance Taylor  <iant@google.com>
10510
10511         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10512         constant to unsigned HOST_WIDE_INT before negating.
10513
10514 2007-01-19  Ian Lance Taylor  <iant@google.com>
10515
10516         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10517         to unsigned.
10518         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10519         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10520         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10521         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10522         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10523         (realloc_vdef, realloc_vuse): Change second parameter to
10524         unsigned.
10525         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10526         fields to unsigned.
10527         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10528         unsigned. Change x and lim locals to unsigned.
10529         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10530         unsigned.
10531         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10532         (copy_virtual_operands): Change i and n locals to unsigned.
10533
10534 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10535
10536         PR middle-end/29335
10537         * builtins.c (fold_builtin_1): Handle builtin fdim.
10538
10539 2007-01-20  Jan Hubicka  <jh@suse.cz>
10540
10541         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10542         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10543         init_alias_heapvars.
10544         (init_alias_heapvars): Initialize only when not already initialized.
10545         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10546
10547 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10548
10549         * common.opt (fsigned-zeros): New command line option.
10550         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10551         of flag_unsafe_math_optimizations.
10552         * opts.c (set_fast_math_flags): The -ffast-math command line option
10553         implies -fno-signed-zeros.
10554         (fast_math_flags_set_p): Likewise.
10555
10556         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10557         the documentation of -ffast-math appropriately.  Wrap long lines.
10558
10559 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10560
10561         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10562         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10563
10564 2007-01-19  Tomas Bily  <tbily@suse.cz>
10565
10566         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10567         * tree-profile.c:
10568         (tree_init_ic_make_global_vars): New function
10569         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10570         (tree_gen_ic_profiler): New function
10571         (tree_gen_ic_func_profiler): New function
10572         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10573         (tree_profile_hooks): Added hook for indirec/virtual calls
10574         * value-prof.c (tree_find_values_to_profile): New case for
10575         indirect calls
10576         (tree_values_to_profile): Call for determining indirect/virtual
10577         counters
10578         (tree_indirect_call_to_profile): New function
10579         (tree_ic_transform): New function
10580         (tree_ic): New function
10581         (find_func_by_pid): New function
10582         (init_pid_map): New function
10583         (tree_value_profile_transformations): Added check for
10584         indirect/virtual call transformation
10585         * value-prof.h (enum hist_type): New counter type for
10586         indirect/virtual calls
10587         (profile_hooks): Added new hook for profiling indirect/virtual
10588         calls
10589         * profile.c (instrument_values): New case for indirect/virtual
10590         call added
10591         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10592         (GCOV_COUNTER_V_INDIR): New counter type
10593         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10594         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10595         call added
10596         * cgraph.c: Definition of cgraph_max_pid
10597         (cgraph_create_node): Default init of pid attribute
10598         * cgraph.h: Declaration of cgraph_max_pid
10599         (struct cgraph_node): Added pid attribute
10600         * libgcov.c (__gcov_indirect_call_profiler): New function
10601         (__gcov_one_value_profiler_body): New function
10602         (__gcov_one_value_profiler): Body was moved to
10603         __gcov_one_value_profiler_body and calls it
10604
10605 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10606
10607         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10608         * gengtype.c (write_types_data, write_func_for_structure,
10609         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10610         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10611         (walk_type, write_func_for_structure): Generate the mark_hook if
10612         needed.
10613
10614 2007-01-19  Jan Hubicka  <jh@suse.cz>
10615
10616         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10617         'early' argument take inlining mode argument specifying whether to
10618         inline for size/speeed or all functions; add support for flattening;
10619         improve dumpting.
10620         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10621
10622 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10623
10624         PR c++/17947
10625         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10626         the name of the declared identifier.
10627
10628 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10629
10630         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10631         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10632         duplicate evaluation.
10633
10634 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10635
10636         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10637         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10638         to XFMode, use acosxf2 and truncate result to requested mode.
10639         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10640         (asin<mode>2): Similarly, with asin expanders.
10641         (*fscalexf4_i387): Rename from *fscalexf4.
10642         (expNcorexf3): New expander.
10643         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10644         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10645         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10646         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10647         patterns for SSE math.
10648         (exp10<mode>2): Similarly, with exp10 expanders.
10649         (exp2<mode>2): Similarly, with exp2 expanders.
10650         (expm1<mode>2): Similarly, with expm1 expanders.
10651         (ldexp<mode>3): Similarly, with ldexp expanders.
10652         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10653         Use gen_truncxf<mode>2_i387_noop to truncate result.
10654
10655 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10656
10657         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10658         for ColdFire targets.
10659
10660 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10661             Richard Sandiford  <richard@codesourcery.com>
10662
10663         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10664         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10665         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10666         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10667         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10668         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10669
10670 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10671
10672         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10673         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10674         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10675         (*adddi_dilshr32_cf): New pattern.
10676         (adddi3, subdi3): Remove first alternatives.
10677
10678 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10679
10680         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10681         implemented using move.l, do not use its cc result for floating-point
10682         comparisons.
10683
10684 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10685
10686         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10687         from accepting 's' constraints if flag_pic.
10688
10689 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10690
10691         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10692         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10693         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10694         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10695
10696 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10697
10698         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10699         ColdFire alternatives.
10700         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10701         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10702         architectures that support ff1 instruction.
10703
10704 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10705             Julian Brown  <julian@codesourcery.com>
10706
10707         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10708         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10709         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10710         Add commentary.
10711
10712 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10713
10714         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10715         and return a bool.
10716         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10717         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10718         HOST_WIDE_INT instead of an rtx.
10719         (m68k_rtx_costs): Update call accordingly.
10720         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10721         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10722         Return a bool.
10723         (output_move_simode_const): Update calls after above changes.
10724         Rework to use automatic variables and predicates like MEM_P.
10725         * config/m68k/m68k.md (pushexthisi_const): Update call to
10726         valid_mov3q_const.
10727
10728 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10729
10730         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10731         in dump_flags test.
10732
10733 2007-01-19  Richard Guenther  <rguenther@suse.de>
10734
10735         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10736         via cexp in case sincos is not available.
10737
10738 2007-01-19  Richard Guenther  <rguenther@suse.de>
10739
10740         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10741         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10742         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10743         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10744         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10745         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10746         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10747         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10748
10749 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10750
10751         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10752         New insn patterns.
10753         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10754         (atan2xf3): Directly generate RTL pattern.
10755         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10756         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10757         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10758         disable patterns for SSE math.
10759         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10760         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10761         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10762         disable patterns for SSE math.
10763
10764 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10765
10766         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10767
10768 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10769
10770         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10771         VIEW_CONVERT_EXPR to the same type as it's operand.
10772
10773 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10774
10775         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10776         configured for long double 128.
10777
10778 2007-01-18  Mike Stump  <mrs@apple.com>
10779
10780         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10781         error.
10782
10783 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10784
10785         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10786         type correct.
10787
10788 2007-01-18  Jan Hubicka  <jh@suse.cz>
10789
10790         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10791         greater than NUM_VOP_FREE_BUCKETS.
10792
10793 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10794
10795         * tree-ssa-structalias.c: Update comments.
10796         (ptabitmap_obstack): Removed.
10797         (pta_obstack): New.
10798         (oldpta_obstack): Ditto.
10799         (stats): Add a few members.
10800         (struct variable_info): Remove node, complex, address_taken, and
10801         indirect_target members. Add oldsolution member.
10802         (new_var_info): Do not initialize removed members.
10803         (constraint_expr_type): Remove INCLUDES.
10804         (constraint_graph): Add size, implicit_preds, rep,
10805         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10806         (FIRST_REF_NODE): New macro.
10807         (LAST_REF_NODE): Ditto.
10808         (FIRST_ADDR_NODE): Ditto.
10809         (find): New function.
10810         (unite): Ditto.
10811         (dump_constraint): Do not handle INCLUDES.
10812         (insert_into_complex): Do not insert duplicate constraints.
10813         (condense_varmap_nodes): Renamed and rewritten into ...
10814         (merge_node_constraints): This. Also fix bug in handling of
10815         offseted copy constraints.
10816         (clear_edges_for_node): No longer need to deal with preds at all,
10817         or removing associated preds/succs.
10818         (merge_graph_nodes): Deal with indirect_cycles.
10819         Don't deal with predecessors.
10820         (add_implicit_graph_edge): New function.
10821         (add_pred_graph_edge): Ditto.
10822         (add_graph_edge): Don't deal with predecessors.
10823         (build_constraint_graph): Removed.
10824         (build_pred_graph): New function.
10825         (build_succ_graph): Ditto.
10826         (struct scc_info): Removed in_component. Added roots, dfs, and
10827         node_mapping. Remove visited_index, unification_queue.
10828         (scc_visit): Deal with union-find we do now.
10829         Deal with cycles with REF nodes.
10830         (collapse_nodes): Renamed and rewritten to ...
10831         (unify_nodes): This.
10832         (process_unification_queue): Removed.
10833         (topo_visit): Cleanup
10834         (do_da_constraint): Use find.
10835         (do_sd_constraint): Ditto.
10836         (do_ds_constraint): Ditto.
10837         (do_complex_constraint): Ditto.
10838         (init_scc_info): Update for removed and added members.
10839         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10840         (find_indirect_cycles): This.
10841         (equivalence_class): New variable.
10842         (label_visit): New function.
10843         (perform_variable_substitution): Rewritten.
10844         (free_var_substitution_info): New function.
10845         (find_equivalent_node): Ditto.
10846         (move_complex_constraints): Ditto.
10847         (eliminate_indirect_cycles): Ditto.
10848         (solve_graph): Only propagate changed bits.
10849         Use indirect cycle elimination.
10850         Use find.
10851         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10852         (tree_id_eq): Renamed to ...
10853         (tree_vi_eq): This. Update for member change
10854         (insert_id_for_tree): Renamed and rewritten to ...
10855         (insert_vi_for_tree): This.
10856         (lookup_id_for_tree): Renamed and rewritten to ...
10857         (lookup_vi_for_tree): This.
10858         (get_id_for_tree): Renamed and rewritten to ...
10859         (get_vi_for_tree): Ditto.
10860         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10861         (process_constraint): Don't handle INCLUDES.
10862         Remove special ADDRESSOF case.
10863         (find_func_aliases): Rewrite to use vi functions instead of id
10864         ones.
10865         (create_function_info_for): Ditto.
10866         (create_variable_info_for): Ditto.
10867         (intra_create_variable_infos): Ditto.
10868         (merge_smts_into): Ditto.
10869         (find_what_p_points_to): Ditto.
10870         (init_base_vars): Ditto.
10871         (init_alias_vars): Ditto.
10872         (remove_preds_and_fake_succs): New function.
10873         (dump_sa_points_to_info): Dump new stats.
10874         (dump_solution_for_var): Use find.
10875         (set_used_smts): Fix formatting.
10876         (compute_points_to_sets): Updated for new functions.
10877         (ipa_pta_execute): Ditto.
10878
10879 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10880             Richard Sandiford  <richard@codesourcery.com>
10881
10882         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10883         parallels.
10884         * calls.c (expand_call): If the return value is a PARALLEL,
10885         extract its first member.
10886         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10887         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10888         use FUNCTION_EXTRA_EPILOGUE.
10889         (m68k_function_value): Return a PARALLEL if the return value
10890         is of a pointer type.
10891         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10892         (FUNCTION_EXTRA_EPILOGUE): Remove.
10893         * config/m68k/m68k.md (D0_REG): New constant.
10894
10895 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10896
10897         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10898         output a NOP for empty epilogues.
10899
10900 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10901
10902         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10903         before function.  Extend register save check to include all
10904         registers, not just integer ones.
10905
10906 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10907
10908         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10909         (m68k_use_return_insn): ...this.
10910         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10911         * config/m68k/m68k.c (use_return_insn): Rename to...
10912         (m68k_use_return_insn): ...this.
10913         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10914         of USE_RETURN_INSN.
10915
10916 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10917
10918         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10919         nearest even, fix denormal rounding overflow.
10920
10921 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10922
10923         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10924         f%$smove and f%$move.
10925         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10926         (extendsfdf2_cf): Use fdmove instead of f%&move.
10927         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10928         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10929
10930 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10931
10932         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10933         GPR<-GPR moves.
10934
10935 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10936
10937         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10938         (coldfire_single_format): Declare.
10939         (coldfire_double_format): Likewise.
10940         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10941         of qnan_msb_set to determine the lower bits of a canonical
10942         NaN significand.
10943         (encode_ieee_double): Likewise.
10944         (encode_ieee_quad): Likewise.
10945         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10946         (mips_single_format): Likewise.
10947         (ieee_double_format): Likewise.
10948         (mips_double_format): Likewise.
10949         (ieee_extended_motorola_format): Likewise.
10950         (ieee_extended_intel_96_format): Likewise.
10951         (ieee_extended_intel_128_format): Likewise.
10952         (ieee_extended_intel_96_round_53_format): Likewise.
10953         (ibm_extended_format): Likewise.
10954         (mips_extended_format): Likewise.
10955         (ieee_quad_format): Likewise.
10956         (mips_quad_format): Likewise.
10957         (vax_f_format): Likewise.
10958         (vax_d_format): Likewise.
10959         (vax_g_format): Likewise.
10960         (i370_single_format): Likewise.
10961         (i370_double_format): Likewise.
10962         (decimal_single_format): Likewise.
10963         (decimal_double_format): Likewise.
10964         (decimal_quad_format): Likewise.
10965         (c4x_single_format): Likewise.
10966         (c4x_extended_format): Likewise.
10967         (real_internal_format): Likewise.
10968         (coldfire_single_format): New real_format.
10969         (coldfire_double_format): Likewise.
10970         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10971         canonical_nan_lsbs_set.
10972         (pdp11_d_format): Likewise.
10973         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10974         if TARGET_COLDFIRE_CPU.
10975
10976 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10977
10978         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10979         (output_call, m68k_legitimize_call_address): Declare.
10980         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10981         parenthesees.  Add support for a 'W' constraint.
10982         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10983         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10984         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10985         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10986         variables.
10987         (override_options): Initialize them.  Do not set flag_no_function_cse
10988         for TARGET_ID_SHARED_LIBRARY.
10989         (m68k_output_pic_call): Delete.
10990         (m68k_legitimize_call_address): New function.
10991         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10992         (output_call): New function.
10993         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10994         target address from the GOT if symbolic jumps are not allowed.
10995         * config/m68k/m68k.md (call, general_operand): Do not set
10996         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10997         Merge separate flag_pic and !flag_pic define_insns into...
10998         (*call, *call_value): ...these new patterns.  Match the address
10999         rather than the containing MEM and require it to be a call_operand.
11000         Use output_call to generate the asm template.
11001         * config/m68k/predicates.md (const_call_operand): New predicate.
11002         (call_operand): Likewise.
11003
11004 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11005
11006         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11007         (STACK_GROWS_DOWNWARD): Define to 1.
11008         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11009         comments, emphasizing that these values are only defaults.
11010         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11011         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11012
11013 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11014
11015         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11016
11017 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11018             Richard Sandiford  <richard@codesourcery.com>
11019
11020         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11021         (FP_REGNO_P): New macros.
11022         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11023         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11024         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11025         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11026
11027 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11028
11029         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11030         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11031         to $tmake_file.
11032         * config/m68k/t-floatlib: New file, extracting common code from...
11033         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11034         * config/m68k/t-uclinux: Here.
11035         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11036         routines on ColdFire targets.
11037
11038 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11039
11040         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11041         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11042         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11043         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11044         explicitly set MOTOROLA to 1.
11045         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11046
11047 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11048             Nathan Sidwell  <nathan@codesourcery.com>
11049
11050         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11051         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11052         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11053         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11054         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11055         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11056         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11057         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11058         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11059         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11060         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11061         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11062         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11063         (DBX_REGISTER_NUMBER): Delete.
11064         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11065         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11066         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11067
11068 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11069
11070         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11071         * config/flat.h: New file.
11072         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11073         OBJECT_FORMAT_FLAT.
11074         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11075         indirect references for -msep-data or -mid-shared-library.
11076         Do not use PC-relative code addresses either.
11077         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11078         to -mpcrel.
11079         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11080         for shared libraries and crt1.o for executables.  Use crti.o and
11081         crtbegin.o.
11082         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11083         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11084         Do not add -elf2flt or -shared-lib-id options here.
11085         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11086         Pass -shared-lib-id if -mid-shared-library, taking the library
11087         identifier from -mshared-library-id if given, otherwise
11088         defaulting to 0.
11089         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11090         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11091         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11092         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11093         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11094         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11095         and crtend.o.
11096         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11097         jump sequence for ISA A and ISA A+.
11098         (PICJUMP): Likewise.
11099
11100 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11101
11102         * config.gcc (m68k-*-uclinux*): Base the port on the common
11103         and m68k GNU/Linux files rather than on the generic ELF ones.
11104         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11105         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11106
11107 2007-01-18  Julian Brown  <julian@codesourcery.com>
11108             Richard Sandiford  <richard@codesourcery.com>
11109
11110         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11111         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11112         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11113         before redefining.
11114         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11115         80 unconditionally.
11116         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11117
11118 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11119
11120         * doc/install.texi: Document m68k-uclinuxoldabi.
11121         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11122         * config/m68k/uclinux-oldabi.h: New file, copied from
11123         config/m68k/uclinux.h.
11124
11125 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11126
11127         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11128         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11129         (m32r_compute_frame_size): Use unsigned for regno.
11130         (m32r_reload_lr): Use gen_frame_mem.
11131         (pop): New.
11132         (m32r_output_function_epilogue): Don't output the function epilogue
11133         textually here.
11134         (m32r_expand_epilogue): New.
11135         (direct_return): Return false if the function has the interrupt
11136         attribute.
11137         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11138         * config/m32r/m32r.md (epilogue): New expander.
11139         (return_lr, return_rte): New insns.
11140         (return): Make it expander.
11141         (return_normal): New expander.
11142
11143 2007-01-18  Josh Conner  <jconner@apple.com>
11144
11145         PR target/30485
11146         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11147         support for UNLE, UNLT, UNGE, and UNGT.
11148
11149 2007-01-18  Jan Hubicka  <jh@suse.cz>
11150
11151         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11152         * tree-tailcall (add_virtual_phis): Likewise.
11153         (optimize_tail_call): Return TODOs.
11154         (execute_tail_calls): Return TODOs.
11155         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11156         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11157         changed.
11158         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11159         Cleanup cfg using TODO.
11160         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11161         * passes.c (execute_function_todo): When cleanup did something, remove
11162         unused locals.
11163         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11164         (make_edges): Don't cleanup_cfg.
11165
11166 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11167
11168         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11169         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11170         operate on the top of stack.
11171         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11172         register handling of instructions that output to the second
11173         stack slot.
11174         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11175         (move_for_stack_reg): Special-case check for dead destination
11176         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11177
11178         * config/i386/i386.md (UNSPEC_TAN): New constant.
11179         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11180         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11181         to correctly model move of constant 1.0 to top stack slot.
11182         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11183         (unnamed peephole2 pattern): Remove corresponding peephole2
11184         pattern that optimizes tan insn and loading of constant 1.0.
11185         (tanxf2): Use fptanxf4_i387.
11186         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11187         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11188         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11189         disable patterns for SSE math.
11190         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11191         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11192
11193 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11194             Richard Guenther <rguenther@suse.de>
11195
11196         PR diagnostic/8268
11197         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11198         * common.opt (Warray-bounds): Add new warning option.
11199         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11200         if -Wall is given.
11201         * Makefile.in: make tree-vrp.o depend on toplev.h
11202         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11203         is enabled.
11204         (check_array_refs, check_array_bounds, check_array_ref): New.
11205
11206 2007-01-18  Jan Hubicka  <jh@suse.cz>
11207
11208         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11209         (execute_ssa_ccp): Return flags conditionally.
11210         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11211         changed.
11212         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11213
11214 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11215
11216         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11217         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11218
11219         * Makefile.c (GTFILES): Add cfglayout.h.
11220         * gengtype.c (open_base_files): Likewise.
11221         * cfglayout.c (cfg_layout_function_footer,
11222         cfg_layout_function_header) Reindent to make gengtype happy.
11223         * cfglayout.h (cfg_layout_function_footer,
11224         cfg_layout_function_header): Add GTY(()) marker.
11225
11226         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11227
11228 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11229
11230         * genautomata.c (write_automata): Include xstrerror output in the
11231         error message if writing the DFA description file fails.
11232
11233 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11234
11235         * config/mips/mips-protos.h (mips_output_external): Make it
11236         return void.
11237         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11238         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11239         (extern_list): Likewise.
11240         (extern_head): Likewise.
11241         (TARGET_ASM_FILE_END): Likewise.
11242         (mips_file_end): Likewise.
11243         (mips_output_external): Rewritten.
11244
11245 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11246
11247         * genpreds.c (write_insn_preds_c): Only write out the function
11248         body for regclass_for_constraint if we have register constraints.
11249
11250 2007-01-17  Tom Tromey  <tromey@redhat.com>
11251
11252         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11253         * doc/install.texi (Testing): Use sourceware.org.
11254         (Binaries): Likewise.
11255         (Specific): Likewise.
11256         * doc/contrib.texi (Contributors): Use sourceware.org.
11257
11258 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11259
11260         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11261         (AVR_ENHANCED): Rename to ...
11262         (AVR_HAVE_MUL): ... new.
11263         (avr_enhanced_p): Rename to ...
11264         (avr_have_mul_p): ... new.
11265         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11266         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11267         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11268         (avr_have_mul_p): ... new.
11269         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11270         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11271         'avr_enhanced_p' and 'enhanced'.
11272         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11273         AVR_HAVE_MUL instead of AVR_ENHANCED.
11274         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11275         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11276         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11277         instead of AVR_ENHANCED.
11278         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11279         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11280         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11281
11282 2007-01-17  Ian Lance Taylor  <iant@google.com>
11283
11284         * vec.h (VEC_reserve_exact): Define.
11285         (vec_gc_p_reserve_exact): Declare.
11286         (vec_gc_o_reserve_exact): Declare.
11287         (vec_heap_p_reserve_exact): Declare.
11288         (vec_heap_o_reserve_exact): Declare.
11289         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11290         versions.
11291         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11292         negative parameter.
11293         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11294         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11295         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11296         * vec.c (calculate_allocation): Add exact parameter.  Change all
11297         callers.
11298         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11299         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11300         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11301         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11302         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11303         (vec_heap_p_reserve_exact): New function.
11304         (vec_heap_o_reserve_exact): New function.
11305
11306 2007-01-17  Jan Hubicka  <jh@suse.cz>
11307
11308         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11309
11310 2007-01-17  Eric Christopher  <echristo@apple.com>
11311
11312         * config.gcc: Support core2 processor.
11313
11314 2007-01-16  Jan Hubicka  <jh@suse.cz>
11315
11316         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11317         the names, just unlink the chain so we don't crash on dangling pointers
11318         to dead SSA names.
11319
11320 2007-01-16  Jan Hubicka  <jh@suse.cz>
11321
11322         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11323         * tree-pass.h: Reorder to make IPA passes appear toegher.
11324         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11325         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11326         parameters, do not call early inliner.
11327         * ipa-inline.c: Update comments.  Include tree-flow.h
11328         (cgraph_decide_inlining): Do not compute inlining parameters.
11329         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11330         be called with function context set up.
11331         (pass_ipa_inline): Remove unreachable functions before pass.
11332         (cgraph_early_inlining): Simplify assuming to be called from the
11333         PM as local pass.
11334         (pass_early_inline): New pass.
11335         (cgraph_gate_ipa_early_inlining): New gate.
11336         (pass_ipa_early_inline): Turn into simple wrapper.
11337         (compute_inline_parameters): New function.
11338         (gate_inline_passes): New gate.
11339         (pass_inline_parameters): New pass.
11340         (apply_inline): Move here from tree-optimize.c
11341         (pass_apply_inline): New pass.
11342         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11343         transforming.
11344         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11345         doing them by hand.
11346         (tree_function_versioning): Do not allocate dummy struct function.
11347         * tree-inline.h (optimize_inline_calls): Update prototype.
11348         * tree-optimize.c (execute_fixup_cfg): Export.
11349         (pass_fixup_cfg): Remove
11350         (tree_rest_of_compilation): Do not apply inlines.
11351         * tree-flow.h (execute_fixup_cfg): Declare.
11352         * Makefile.in (gt-passes.c): New.
11353         * passes.c: Include gt-passes.h
11354         (init_optimization_passes): New passes.
11355         (nnodes, order): New static vars.
11356         (do_per_function_toporder): New function.
11357         (execute_one_pass): Dump current pass here.
11358         (execute_ipa_pass_list): Don't dump current pass here.
11359
11360 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11361
11362         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11363         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11364
11365 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11366
11367         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11368         (strong_alias): Define.
11369         (__gcc_qmul): Provide non-FMA for soft-float.
11370         (__gcc_qdiv): Same.
11371         (__gcc_qneg): New.
11372         (__gcc_qeq): New.
11373         (__gcc_qle): New.
11374         (__gcc_qge): New.
11375         (__gcc_qunord): New.
11376         (__gcc_stoq): New.
11377         (__gcc_dtoq): New.
11378         (__gcc_qtos): New.
11379         (__gcc_qtod): New.
11380         (__gcc_qtoi): New.
11381         (__gcc_qtou): New.
11382         (__gcc_itoq): New.
11383         (__gcc_utoq): New.
11384         (fmsub): New.
11385         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11386         soft-float functions.
11387         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11388         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11389         about long double soft float.
11390
11391 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11392             Tehila Meyzels  <tehila@il.ibm.com>
11393
11394         * tree-vectorizer.h (is_pattern_stmt_p): New.
11395         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11396         formatting (tabs instead of spaces). Cleanup and clarify setting
11397         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11398         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11399         (vectorizable_type_demotion): Check that types are integral.
11400         (vectorizable_type_promotion): Likewise.
11401         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11402         comments.
11403
11404 2007-01-16  Jan Hubicka  <jh@suse.cz>
11405
11406         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11407         cgraph edges too.
11408
11409 2007-01-15  Eric Christopher  <echristo@apple.com>
11410
11411         * ifcvt.c: Include vec.h, vecprim.h.
11412         (check_cond_move_block): New argument regs.
11413         Reorganize. Add registers used to regs.
11414         (cond_move_process_if_block): Use regs set above as
11415         loop bounds.
11416
11417 2007-01-15  Eric Christopher  <echristo@apple.com>
11418
11419         * config/darwin.h: Update copyright.
11420         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11421         (LINK_COMMAND_SPEC): Add -u.
11422         (LINK_SPEC): Fix umbrella for above.
11423
11424 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11425
11426         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11427         glibc CVS.
11428
11429 2007-01-15  Tom Tromey  <tromey@redhat.com>
11430
11431         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11432         * doc/install.texi (Testing): Don't mention jacks.
11433         (Configuration): Document --enable-java-maintainer-mode.  Move
11434         --with-java-home to libgcj-specific section.  Document
11435         --with-ecj-jar.
11436         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11437
11438 2007-01-15  Jan Hubicka  <jh@suse.cz>
11439
11440         * tree-ssa-dce.c (DCE_TODOs): New.
11441         (propagate_necessity): Return if something changed.
11442         (eliminate_unnecessary_stmts): Likewise.
11443         (perform_tree_ssa_dce): Return TODO flags when needed.
11444         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11445
11446 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11447
11448         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11449         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11450         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11451         patterns using X87MODEF12 mode macro.  Extend operand 1
11452         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11453         (log10<mode>2): Ditto.
11454         (log2<mode>2): Ditto.
11455         (log1p<mode>2): Ditto.
11456         (logb<mode>2): Ditto.
11457         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11458         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11459         (*fxtractxf3_i387): Rename from *fxtractxf3.
11460         (fxtract_extend<mode>xf3_i387): New insn pattern.
11461         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11462         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11463         and gen_fyl2xxf3_i387().
11464
11465 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11466
11467         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11468         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11469         get_loop_exit_edges.  Changed return type to bool.
11470         * cfgloop.h (fix_loop_placement): Declaration removed.
11471
11472 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11473
11474         * param.h (MIN_VECT_LOOP_BOUND): New.
11475         * params.def (MIN_VECT_LOOP_BOUND): New.
11476         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11477         argument - minimum threshold for number of iterations.
11478         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11479         argument to declaration.
11480         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11481         MIN_VECT_LOOP_BOUND.
11482         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11483         slpeel_tree_peel_loop_to_edge with additional argument.
11484         (vect_do_peeling_for_alignment): Likewise.
11485         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11486
11487 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11488
11489         PR target/30413
11490         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11491         operands of size 1.
11492
11493 2007-01-14  Jan Hubicka  <jh@suse.cz>
11494
11495         * tree-dfa.c (remove_referenced_var): New function.
11496         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11497         prune referenced vars list too.
11498         * tree-flow.h (remove_referenced_var): Declare.
11499
11500 2007-01-14  Jan Hubicka  <jh@suse.cz>
11501
11502         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11503         separately.
11504         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11505         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11506         * except.h (verify_eh_throw_table_statements): Kill prototype.
11507         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11508         into call exrepssions.
11509         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11510         eh trhow verifier.
11511         * tree-cfg.c: Include pointer-set.h.
11512         (verify_node_sharing): Work on pointer set.
11513         (verify_eh_throw_stmt_node): New.
11514         (verify_stmts): Use pointers sets, verify throw_stmt.
11515
11516 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11517
11518         * ipa-reference.c (analyze_function): Consider also addresses taken
11519         in phi nodes.
11520
11521 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11522
11523         * c-typeck.c (null_pointer_constant_p): Replace use of
11524         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11525         (build_c_cast): Likewise.
11526
11527 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11528
11529         * tree.h (force_fit_type_double): Remove unused final argument.
11530         * c-common.c (constant_expression_warning): Replace use of
11531         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11532         (convert_and_check): Likewise.
11533         (shorten_compare): Update call to force_fit_type_double.
11534         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11535         * convert.c (convert_to_pointer): Update call to
11536         force_fit_type_double.
11537         * fold-const.c (force_fit_type_double): Remove overflowed_const
11538         argument.
11539         (int_const_binop, fold_convert_const_int_from_int,
11540         fold_convert_const_int_from_real, fold_div_compare,
11541         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11542         fold_abs_const, fold_not_const): Remove the final argument from
11543         calls to force_fit_type_double.
11544
11545 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11546
11547         * configure.ac: Set insn to "nop" for spu-*-* also.
11548         * configure: Regenerate.
11549
11550 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11551
11552         * builtins.def : Add BUILT_IN_FREE.
11553
11554 2007-01-12  Jan Hubicka  <jh@suse.cz>
11555
11556         PR tree-optimization/30443
11557         * tree-inline.c (tree_function_versioning): Do not optimize when
11558         cloning for inlining.
11559
11560 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11561
11562         * doc/loop.texi: Document recording of loop exits.
11563         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11564         (update_single_exits_after_duplication,
11565         update_single_exit_for_duplicated_loop,
11566         update_single_exit_for_duplicated_loops): Removed.
11567         (duplicate_loop_to_header_edge): Do not call
11568         update_single_exits_after_duplication and
11569         update_single_exit_for_duplicated_loops.
11570         (loop_version): Do not update single_exit information.
11571         (fix_loop_structure): Use record_loop_exits instead of
11572         mark_single_exit_loops.
11573         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11574         the lists of loop exits.
11575         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11576         split_edge, merge_blocks): Update the lists of loop exits.
11577         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11578         loop_optimizer_init.
11579         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11580         of mark_single_exit_loops.
11581         (loop_optimizer_finalize): Call release_recorded_exits.
11582         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11583         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11584         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11585         update single exit information.
11586         * lambda-code.c (perfect_nestify): Ditto.
11587         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11588         (mark_single_exit_loops): Removed.
11589         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11590         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11591         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11592         functions.
11593         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11594         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11595         (verify_loop_structure): Verify consistency of the exit lists.
11596         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11597         (set_single_exit): Removed.
11598         * cfgloop.h (struct loop_exit): New function.
11599         (struct loop): single_exit_ field replaced by exits field.
11600         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11601         (struct loops): Added exits hash.
11602         (mark_single_exit_loops, set_single_exit): Declaration removed.
11603         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11604
11605 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11606
11607         * doc/invoke.texi: Avoid use of @headitem.
11608
11609 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11610
11611         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11612
11613 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11614
11615         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11616         list of targets.
11617
11618 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11619             Richard Sandiford  <richard@codesourcery.com>
11620
11621         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11622         * config/m68k/m68k.opt: Resort options.
11623         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11624
11625 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11626             Richard Sandiford  <richard@codesourcery.com>
11627
11628         * doc/invoke.texi: Document the macros that are defined by
11629         m68k's -mtune and -mhard-float options.
11630         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11631         (m68k_cpp_cpu_family): Likewise.
11632         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11633         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11634         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11635         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11636         (m68k_cpp_cpu_family): Likewise.
11637
11638 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11639
11640         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11641         macros besides mc68000 as tuning macros.  Use a switch statement
11642         to set them and mcpu32.
11643
11644 2007-01-12  Julian Brown  <julian@codesourcery.com>
11645
11646         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11647         (TARGET_68040_ONLY): Rename to...
11648         (TARGET_68040): ...this.
11649         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11650         * config/m68k/m68k.md: Likewise.
11651
11652 2007-01-12  Julian Brown  <julian@codesourcery.com>
11653             Nathan Sidwell  <nathan@codesourcery.com>
11654             Richard Sandiford  <richard@codesourcery.com>
11655
11656         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11657         the -mcpu= argument associated with the --with-cpu setting.
11658         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11659         if different from the one implied by the -mcpu setting.
11660         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11661         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11662         * doc/invoke.texi: Mention ColdFire in the introduction to the
11663         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11664         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11665         -mhard-float.  Document the previously-undocumented -m5206e,
11666         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11667         documentation for consistency.
11668         * doc/install.texi: Mention new --with-cpu arguments.
11669         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11670         default CPU if neither -mcpu nor -march are specified.
11671         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11672         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11673         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11674         using m68k_tune to decide between families that implement the
11675         same ISA.  Use m68k_tune to set __mcfv4e__.
11676         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11677         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11678         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11679         (FL_ISA_C, FL_ISA_MMU): New macros.
11680         (MASK_COLDFIRE): Delete.
11681         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11682         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11683         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11684         (TARGET_HARD_FLOAT): Do not define here.
11685         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11686         (TUNE_68000): New macro.
11687         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11688         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11689         (TUNE_CFV2): Redefine in terms of m68k_tune.
11690         (uarch_type, target_device, fpu_type): New enums.
11691         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11692         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11693         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11694         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11695         (FL_FOR_isa_c): New macros.
11696         (m68k_isa): New enum.
11697         (m68k_target_selection): New structure.
11698         (all_devices, all_isas, all_microarchs): New tables.
11699         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11700         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11701         (MASK_ALL_CPU_BITS): Delete.
11702         (m68k_find_selection): New function.
11703         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11704         Map the legacy target options to a combination of the new ones.
11705         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11706         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11707         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11708         settings.
11709         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11710         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11711         properties.
11712         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11713         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11714         * config/m68k/m68k-devices.def: New file.
11715
11716 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11717             Nathan Sidwell  <nathan@codesourcery.com>
11718
11719         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11720         (SUBTARGET_EXTRA_SPECS): New macros.
11721         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11722         use %(asm_cpu_spec) instead.
11723         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11724         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11725         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11726         (EXTRA_SPECS): Rename to...
11727         (SUBTARGET_EXTRA_SPECS): ...this.
11728
11729 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11730             Richard Sandiford  <richard@codesourcery.com>
11731             Julian Brown  <julian@codesourcery.com>
11732
11733         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11734         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11735         to the configuration's default CPU.
11736         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11737         Remove default masks.
11738         (m680[012]0-*-*): Set the default with_cpu to the first part of
11739         the target name.
11740         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11741         (m68k*-*-linux): Extend the --with-cpu handling to...
11742         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11743         and m68010.  Don't set target_cpu_default2.
11744         * doc/install.texi: Document --with-cpu for m68k.
11745         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11746         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11747         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11748         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11749         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11750         (ASM_SPEC): Remove use of %(asm_cpu_default).
11751         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11752         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11753         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11754         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11755         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11756         (TARGET_DEFAULT): Delete.
11757         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11758         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11759         (CPP_CPU_SPEC): Delete.
11760         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11761         the appropriate string.
11762         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11763         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11764         (ASM_SPEC): Don't use %(asm_default_spec).
11765         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11766         TARGET_DEFAULT and add MASK_68881.
11767         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11768
11769 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11770
11771         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11772         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11773         MASK_68010 alongside MASK_68020.
11774         * doc/invoke.texi: Document -m68010.
11775         * config/m68k/m68k.opt (m68010): New.
11776         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11777         if TUNE_68010.
11778         (TUNE_68010): New macro.
11779         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11780         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11781         (M68K_CPU_m68332): Add MASK_68010.
11782         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11783         fallback definition.
11784         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11785         defines.
11786         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11787         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11788         to all entries that use MASK_68020.
11789         (output_move_simode_const, output_move_himode, output_move_qimode)
11790         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11791         instead of TARGET_68020 to select clr behavior.  Remove comment
11792         about there being no TARGET_68010.
11793         * config/m68k/m68k.md: Likewise throughout.
11794
11795 2007-01-12  Julian Brown  <julian@codesourcery.com>
11796
11797         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11798         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11799         * config/m68k/m68k.md: Likewise.
11800
11801 2007-01-12  Julian Brown  <julian@codesourcery.com>
11802
11803         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11804         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11805
11806 2007-01-12  Julian Brown  <julian@codesourcery.com>
11807
11808         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11809         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11810         * config/m68k/m68k.md: Likewise.
11811
11812 2007-01-12  Julian Brown  <julian@codesourcery.com>
11813             Richard Sandiford  <richard@codesourcery.com>
11814
11815         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11816         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11817         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11818         TARGET_CPU32.
11819         (TARGET_CPU32): Rename to...
11820         (TUNE_CPU32): ...this.
11821         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11822         (TUNE_CFV2): New macros.
11823         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11824         remove conditions that are implied by TARGET_68020.
11825         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11826         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11827         (m68k_output_function_epilogue): Likewise.
11828         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11829         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11830         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11831         non-68000 timings.  Refactor multiplication and division costs.
11832         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11833         TUNE_CPU32 instead of TARGET_CPU32.
11834         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11835         and TUNE_68060 instead of TARGET_68060.
11836         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11837         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11838         TARGET_CPU32.
11839         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11840         && !TARGET_COLDFIRE" to choose between moveq and clr.
11841         Likewise in the unnamed movsf pattern.
11842         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11843         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11844         ashiftrt pattern.
11845
11846 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11847
11848         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11849         of tabbing before backslashes.
11850
11851 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11852
11853         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11854         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11855         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11856
11857 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11858
11859         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11860         find_interesting_uses_cond.
11861         (find_interesting_uses_cond): Use extract_cond_operands.
11862         (rewrite_use_compare): Use extract_cond_operands and
11863         force_gimple_operand_bsi.  Do not call update_stmt.
11864         (determine_use_iv_cost_condition): Use extract_cond_operands.
11865         Return cheaper of using original bound and changing the exit bound.
11866
11867 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11868
11869         PR tree-optimization/29516
11870         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11871         most_expensive_mult_to_index, addr_to_parts,
11872         create_mem_ref, maybe_fold_tmr): Make the type of
11873         fields of TARGET_MEM_REF sizetype.
11874         (move_fixed_address_to_symbol, move_pointer_to_base):
11875         New functions.
11876         * tree.def (TARGET_MEM_REF): Add comment on types of
11877         the operands.
11878
11879 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11880
11881         * c-common.c (vector_types_convertible_p): Treat opaque types as
11882         always convertible if they have the same size, but not otherwise.
11883
11884 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11885
11886         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11887         Remove the b_unconditional field.
11888         (noce_try_sign_mask): Do not look at b_unconditional.
11889         (noce_process_if_block): Do not use merge_if_blocks.  Update
11890         the CFG here.  Do not set b_unconditional.
11891         (cond_move_process_if_block): Likewise.
11892         (find_cond_trap): Likewise.
11893         (check_cond_move_block): Require simple jump insns at the end
11894         of the basic block.
11895
11896 2007-01-11  Jan Hubicka  <jh@suse.cz>
11897
11898         PR tree-optimization/1046
11899         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11900         when alias info is not ready.
11901         (pass_tail_recursion): Do not require aliasing.
11902         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11903         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11904         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11905         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11906         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11907         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11908         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11909         before inlining.
11910         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11911         When aliasing is not build, mark statement as volatile.
11912
11913 2007-01-11  Tom Tromey  <tromey@redhat.com>
11914
11915         PR preprocessor/15185, PR preprocessor/20989:
11916         * doc/cppopts.texi <-MT>: Update description of algorithm for
11917         computing default target.
11918         <-M, -MD>: Reword "basename" text.
11919
11920 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11921
11922         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11923         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11924         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11925         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11926         fold_builtin_bswap, real_constp, fold_builtin_pow,
11927         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11928         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11929         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11930         * convert.c (convert_to_pointer): Likewise.
11931         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11932         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11933         const_binop, fold_convert_const_int_from_int,
11934         fold_convert_const_int_from_real,
11935         fold_convert_const_real_from_real, sign_bit_p,
11936         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11937         fold_sign_changed_comparison, fold_unary, fold_comparison,
11938         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11939         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11940         * print-tree.c (print_node_brief, print_node): Likewise.
11941         * stor-layout.c (place_field, layout_type): Likewise.
11942         * tree-chrec.c (keep_cast): Likewise.
11943         * tree.c (build_vector, build_real, build_real_from_int_cst,
11944         build_complex): Likewise.
11945
11946 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11947
11948         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11949         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11950
11951 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11952
11953         * configure.ac (strict1_warn): Rename to strict_warn.
11954         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11955         cc_set_by_configure, quoted_cc_set_by_configure,
11956         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11957         all_boot_languages, all_stagestuff): Remove.
11958         (target_list): Remove bootstrap targets.
11959         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11960         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11961         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11962         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11963         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11964         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11965         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11966         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11967         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11968         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11969         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11970         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11971         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11972         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11973         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11974         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11975         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11976         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11977         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11978         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11979         (mostlyclean): Adjust.
11980         (clean, distclean): Don't mention bootstrap stuff.
11981         * configure: Regenerate.
11982         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11983         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11984         treelang/config-lang.in (stagestuff): Remove.
11985         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11986         stageprofile, stagefeedback, stagestuff): Remove mention.
11987
11988 2007-01-11  Nick Clifton  <nickc@redhat.com>
11989
11990         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11991         Accept CONSTs.
11992         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11993         (mcore_arith_K_S_operand): Run the test for the S constraint not
11994         the test for the M constraint.
11995         (mcore_addsub_operand): Do not accept integer values that are
11996         larger than 32 bits.
11997         * config/mcore/mcore.md: Remove unused constraints from split.
11998         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11999         (addsi3): Likewise.
12000         (allocate_stack): Likewise.
12001         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12002         operands to 32 bits.
12003         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12004         INTVAL.
12005         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12006         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12007         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12008         mcore_output_bclri, mcore_output_andn, output_inline_const,
12009         mcore_output_move, mcore_output_movedouble): Likewise.
12010         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12011         (output_inline_const): Likewise.
12012         (output_inline_const): Fix format strings used in sprintf
12013         statements.
12014         * config/mcore/mcore-protos.h: Update prototypes for changed
12015         functions in mcore.c.
12016         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12017         HOST_WIDE_INT and not int.
12018         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12019         CONST_OK_FOR_N): Likewise.
12020         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12021         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12022         an INTVAL.
12023
12024 2007-01-10  Jan Hubicka  <jh@suse.cz>
12025
12026         * tree-vrp.c (remove_range_assertions): Release defs.
12027         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12028         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12029
12030 2007-01-10  Paul Brook  <paul@codesourcery.com>
12031
12032         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12033         * config/arm/arm.md (mulsi3subsi): New insn.
12034
12035 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12036
12037         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12038         (tree_transform_and_unroll_loop): New.
12039         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12040         Declare.
12041
12042 2007-01-10  Robert Kennedy <jimbob@google.com>
12043
12044         * fold-const.c (fold_comparison): Fold comparisons like (x *
12045         1000 < 0) to (x < 0).
12046
12047 2007-01-10  Ian Lance Taylor  <iant@google.com>
12048
12049         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12050         operands have the same priority.
12051
12052 2007-01-10  Tom Tromey  <tromey@redhat.com>
12053
12054         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12055         (fold_binary): Likewise.
12056         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12057         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12058         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12059         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12060         * langhooks.h (struct lang_hooks): Removed field
12061         'can_use_bit_fields_p'.
12062
12063 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12064
12065         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12066
12067 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12068
12069         * function.c (get_last_funcdef_no): New function.
12070         * function.h (get_last_funcdef_no): Declare.
12071         * tree-inline.c (initialize_cfun): Add initialization.
12072         (tree_function_versioning): Cleanup.
12073
12074 2007-01-10  Jan Hubicka  <jh@suse.cz>
12075
12076         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12077         PHIs.
12078
12079 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12080             Ben Elliston  <bje@au.ibm.com>
12081
12082         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12083         for SAVE_NONLOCAL and Pmode for any other save level.
12084         * spu-protos.h (spu_restore_stack_block): Declare.
12085         * spu.md (save_stack_block): Remove.
12086         (restore_stack_block): Call spu_restore_stack_block.
12087         * spu.c (spu_restore_stack_block): New function.
12088         (spu_expand_epilogue): Remove old comment.
12089
12090 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12091
12092         PR tree-optimization/30322
12093         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12094         (cand_value_at): Return the value as aff_tree.
12095         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12096         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12097         aff_combination_mult): New functions.
12098         (aff_combination_add): Use aff_combination_add_cst.
12099         (aff_combination_convert): Allow conversions to a wider type.
12100         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12101         * tree-affine.h (aff_combination_mult): Declare.
12102
12103 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12104
12105         * doc/tm.texi: Update documentation to reflect reality of exec
12106         and start file search behaviours. Update copyright year.
12107         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12108         header file directories.
12109
12110 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12111
12112         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12113         (*cosxf2): Rename to cosxf2_i387.
12114         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12115         using X87MODEF12 mode macro. Rename patterns to
12116         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12117         for SSE math.
12118         (*cosdf2, *cossf2): Ditto.
12119         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12120         to match extended input operands.
12121         (sincos<mode>3): New expander.
12122         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12123         insn patterns and corresponding splitters.
12124
12125 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12126
12127         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12128         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12129
12130 2007-01-09  Nicolas Pitre  <nico@cam.org>
12131
12132         PR target/30173
12133         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12134
12135 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12136
12137         * target.h (struct gcc_target): New field library_rtti_comdat.
12138         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12139         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12140         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12141         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12142
12143 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12144
12145         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12146
12147 2007-01-08  Richard Guenther  <rguenther@suse.de>
12148
12149         * tree.h (force_fit_type_double): Export.
12150         (force_fit_type): Remove.
12151         * fold-const.c (force_fit_type_double): New function.
12152         (force_fit_type): Remove.
12153         (int_const_binop): Use it.
12154         (fold_convert_const_int_from_int): Likewise.
12155         (fold_convert_const_int_from_real): Likewise.
12156         (fold_div_compare): Likewise.
12157         (fold_sign_changed_comparison): Likewise.
12158         (fold_unary): Likewise.
12159         (fold_negate_const): Likewise.
12160         (fold_abs_const): Likewise.
12161         (fold_not_const): Likewise.
12162         * c-common.c (shorten_compare): Use force_fit_type_double.
12163         * convert.c (convert_to_pointer): Likewise.
12164
12165 2007-01-08  Richard Guenther  <rguenther@suse.de>
12166
12167         * tree.h (build_int_cst_wide_type): Export.
12168         * tree.c (build_int_cst_wide_type): New function.
12169         (build_int_cst_wide): Fix comment.
12170         * builtins.c (fold_builtin_object_size): Use build_int_cst
12171         to build -1 or 0 of the correct type.  Use fit_double_type
12172         to check for overflow.
12173         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12174         to build the mask.
12175         (decode_field_reference): Likewise.
12176         (all_ones_mask_p): Likewise.
12177         (native_interpret_int): Use build_int_cst_wide_type.
12178         (fold_binary): Use build_int_cst_type to build an all-ones
12179         value.
12180         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12181
12182 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12183
12184         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12185
12186 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12187
12188         * genautomata.c (STATS_OPTION): New option.
12189         (stats_flag): New flag.
12190         (gen_automata_option): Handle it.
12191         (initiate_automaton_gen): Ditto.
12192         (write_automata): Output statistics only if stats_flag is
12193         set. Likewise, output time statistics only if time_flag is set.
12194         * doc/md.texi (Processor pipeline description): Document new flag.
12195
12196 2007-01-08  Richard Guenther  <rguenther@suse.de>
12197
12198         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12199         * tree.c (build_int_cst_type): Likewise.
12200         (size_in_bytes): Don't call force_fit_type on the result.
12201         (int_fits_type_p): Use fit_double_type.
12202         * fold-const.c (fit_double_type): New function.
12203         (force_fit_type): Use it.
12204         * tree.h (fit_double_type): Export.
12205
12206 2007-01-08  Jan Hubicka  <jh@suse.cz>
12207
12208         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12209         * ipa.c (function_and_variable_visibility): Fix return type.
12210
12211 2007-01-08  Richard Guenther  <rguenther@suse.de>
12212
12213         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12214         of offset to build the index.
12215         * tree-pretty-print.c (dump_generic_node): Don't build negated
12216         const just for printing.
12217         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12218         * builtins.c (fold_builtin_int_roundingfn): Check if result
12219         fits the type by using force_fit_type and comparing the result.
12220         * predict.c (predict_loops): Use compare_tree_int for comparison.
12221         * tree.c (build_int_cst): Fall back to integer_type_node for
12222         NULL_TREE type.
12223         (build_int_cst_wide): Assert type is non-null.
12224
12225 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12226
12227         * tree-vrp.c (extract_range_from_cond_expr): New.
12228         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12229         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12230         as expressions.
12231         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12232         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12233         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12234         used as expressions.
12235         * tree-object-size.c (cond_expr_object_size): New.
12236         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12237
12238 2007-01-08  Jan Hubicka  <jh@suse.cz>
12239
12240         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12241         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12242         statement.
12243
12244 2007-01-08  Richard Guenther  <rguenther@suse.de>
12245
12246         PR tree-optimization/23603
12247         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12248         (extract_range_from_binary): Fall back to truthvalue instead of
12249         varying for TRUTH_*_EXPR.
12250         (extract_range_from_comparison): Fall back to truthvalue instead of
12251         varying.
12252         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12253         if all visited PHI values were constant.
12254
12255 2007-01-08  Jan Hubicka  <jh@suse.cz>
12256
12257         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12258         (cgraph_analyze_function): break out from ...
12259         (cgraph_finalize_compilation_unit): ... here.
12260         (cgraph_expand_function): Remove forgoten commented out line.
12261         (cgraph_optimize): Analyze functions.
12262
12263 2007-01-08  Jan Hubicka  <jh@suse.cz>
12264
12265         * tree-pas.h (TODO_remove_function): New flag.
12266         (TODO_update*): Renumber.
12267         (pass_ipa_increase_alignment,
12268         pass_ipa_function_and_variable_visibility): New passes.
12269         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12270         (cgraph_function_and_variable_visibility): Move to ipa.c
12271         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12272         cgraph_increase_alignment.
12273         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12274         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12275         calling tree-inline.
12276         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12277         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12278         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12279         (gate_increase_alignment): New function.
12280         (pass_ipa_increase_alignment): New pass.
12281         * ipa.c: Inline tree-pass.h and timevar.h
12282         (function_and_variable_visibility): Move here from cgraphunit.c
12283         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12284         * passes.c (init_optimization_passes): Add the two new passes.
12285         (execute_todo): Handle cgraph_remove_functions.
12286
12287 2007-01-08  Nick Clifton  <nickc@redhat.com>
12288
12289         * config/frv/predicates.md (reg_or_0_operand): Accept
12290         CONST_DOUBLEs.
12291
12292 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12293
12294         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12295         * config.gcc: Add bfin*-rtems*.
12296
12297 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12298
12299         * c.opt: Add -flax-vector-conversions.
12300         * c-typeck.c (convert_for_assignment): Pass flag to
12301         vector_types_convertible_p to allow emission of note.
12302         (digest_init): Likewise.
12303         * c-opts.c: Handle -flax-vector-conversions.
12304         * c-common.c (flag_lax_vector_conversions): New.
12305         (vector_types_convertible_p): Unless -flax-vector conversions
12306         has been passed, disallow conversions between vectors with
12307         differing numbers of subparts and/or element types.  If such
12308         a conversion is disallowed, possibly emit a note on the first
12309         occasion only to inform the user of -flax-vector-conversions.
12310         The new last argument specifies this.
12311         * c-common.h (flag_lax_vector_conversions): New.
12312         (vector_types_convertible_p): Add extra argument.
12313         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12314         char_type_node for V*QI type vectors.
12315         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12316         Update to satisfy new typechecking rules.
12317         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12318         C and C++ variants.
12319         * doc/invoke.texi (C Dialect Options): Document
12320         -flax-vector-conversions.
12321
12322 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12323
12324         PR tree-optimization/29877
12325         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12326         a register variable on the RHS to not be replaceable.
12327
12328 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12329         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12330         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12331         const_simm15, const_pow2, const_npow2): Added.
12332         * config/score/misc.md (insv, extv, extzv, movmemsi,
12333         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12334         * config/score/score.c (score_address_cost, score_select_cc_mode):
12335         Added.
12336         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12337         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12338         Update score_print_operand.
12339         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12340         Adjust register allocate order and update some macro define.
12341         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12342         mdx_block_move_straight, mdx_block_move_loop_head,
12343         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12344         mdx_block_move): Added.
12345         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12346         mdp_limm): Updated and fix some bug and typo.
12347         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12348         (movsf, movdf, doloop_end): Added.
12349
12350 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12351
12352         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12353         config/arm/thumb2.md: Fix comment typos.
12354         * doc/extend.texi: Fix a typo.
12355
12356 2007-01-07  Eric Christopher  <echristo@apple.com>
12357
12358         * configure.ac: Check for __stack_chk_fail for darwin.
12359         * configure: Regenerate.
12360
12361 2007-01-07  Richard Guenther  <rguenther@suse.de>
12362
12363         * tree-vrp.c (extract_range_from_assert): CSE calls to
12364         compare_values where possible.
12365         (extract_range_from_unary_expr): Likewise.
12366
12367 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12368
12369         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12370         * config/avr/avr.c (call_insn_operand): Delete function.
12371         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12372         instead of register number. Use predicates.
12373         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12374         call_insn_operand): Add.
12375
12376 2007-01-06  Jan Hubicka  <jh@suse.cz>
12377
12378         * tree-pass.h (pass_build_cgraph_edges): Declare.
12379         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12380         (visited_nodes): Remove.
12381         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12382         build_cgrpah_edges; make visited_nodes local.
12383         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12384         (record_references_in_initializer): Move to cgraphbuild.c
12385         (initialize_inline_failed, rebuild_cgraph_edges,
12386         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12387         (verify_cgraph_node): Make visited_nodes local.
12388         (cgraph_analyze_function): Do not call cgraph_create_edges and
12389         initialize_inline_failed.
12390         (cgraph_expand_function): Do not call cgraph_lower_function;
12391         assert that function is already lowered.
12392         * Makefile.in (cgraphbuild.o): New.
12393         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12394         at the end of lowering passes.
12395
12396 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12397
12398         * ifcvt.c (cond_move_convert_if_block): New function, code
12399         factored out from...
12400         (cond_move_process_if_block): ...here.  Call the new function
12401         on the THEN and ELSE blocks.
12402         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12403         already takes care of this.
12404
12405 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12406
12407         PR c/19978
12408         * tree.h (TREE_OVERFLOW_P): New.
12409         * c-typeck.c (parser_build_unary_op): Warn only if result
12410         overflowed and operands did not.
12411         (parser_build_binary_op): Likewise.
12412         (convert_for_assignment): Remove redundant overflow_warning.
12413         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12414
12415 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12416
12417         * c-typeck.c (store_init_value): Split over two lines to follow
12418         the GNU coding style.
12419
12420 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12421
12422         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12423         __GXX_EXPERIMENTAL_CXX0X__.
12424         * doc/cpp.texi: Same.
12425
12426 2007-01-05  Richard Guenther  <rguenther@suse.de>
12427
12428         PR middle-end/27826
12429         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12430         with mismatched types.  Instead explicitly build a
12431         conversion NOP_EXPR.
12432
12433 2007-01-05  Ian Lance Taylor  <iant@google.com>
12434
12435         * c-common.c (decl_with_nonnull_addr_p): New function.
12436         (c_common_truthvalue_conversion): Call it.
12437         * c-typeck.c (build_binary_op): Likewise.
12438         * c-common.h (decl_with_nonnull_addr_p): Declare.
12439
12440 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12441
12442         PR c/30360
12443         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12444         denom against 0.0.
12445
12446 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12447
12448         * doc/install.texi (Final install): Document the fact that
12449         the GNAT runtime should not be stripped.
12450
12451 2007-01-04  Jan Hubicka  <jh@suse.cz>
12452
12453         * tree-inline.c (fold_marked_statements): Update operand caches
12454         and EH after folding
12455
12456 2007-01-04  Ian Lance Taylor  <iant@google.com>
12457
12458         * c-common.c (check_function_nonnull): Whitespace fix.
12459
12460 2007-01-04  Jan Hubicka  <jh@suse.cz>
12461
12462         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12463         comitted older version of patch.
12464         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12465         function, celanup cfg and collect garbage.
12466
12467 2007-01-04  Mike Stump  <mrs@apple.com>
12468
12469         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12470         (clean): Likewise.
12471
12472 2007-01-04  Eric Christopher  <echristo@apple.com>
12473
12474         * libgcc2.c (__bswapsi2): Use SItype.
12475         (__bswapdi2): Use DItype.
12476         * libgcc2.h: Update for above.
12477
12478 2007-01-04  Paul Brook  <paul@codesourcery.com>
12479
12480         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12481         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12482         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12483         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12484         umulsi3_highpart): Make conditional on !arm_arch6.
12485         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12486         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12487         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12488         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12489         umulsi3_highpart_v6): New insns.
12490
12491 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12492
12493         * fold-const.c (fold_convert): When casting an expression to void,
12494         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12495         have a type.  Instead of attempting to build a NOP_EXPR, return
12496         these "special" trees directly.
12497
12498 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12499
12500         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12501         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12502         rs6000_cost->fp not 0 as adjustment for outer NEG.
12503
12504 2007-01-04  Jan Hubicka  <jh@suse.cz>
12505
12506         * cgraph.c (cgraph_release_function_body): New function.
12507         (cgraph_remove_node): Use it.
12508         * cgraph.h (cgraph_release_function_body): Declare.
12509         * cgraphunit.c (cgraph_expand_function): Use it.
12510         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12511         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12512         is initialized and while compilation of other function is running.
12513         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12514         statement CFG annotations from here to ...
12515         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12516
12517 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12518
12519         * cfgloop.h (enum li_flags): Make the constants powers of two.
12520
12521 2007-01-04  Jan Hubicka  <jh@suse.cz>
12522
12523         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12524         set.
12525         (fold_marked_statements): New function.
12526         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12527         * tree-inline.h (copy_body_data): Add statements_to_fold.
12528
12529 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12530
12531         * config.gcc: Mention libgcc/config.host.
12532         * Makefile.in: Update comments mentioning libgcc.
12533         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12534         (all.cross, start.encap, rest.encap, rest.cross): Update
12535         dependencies for libgcc move.
12536         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12537         (clean-target, clean-target-libgcc): Delete.
12538         (srcdirify, GCC_EXTRA_PARTS): New macros.
12539         (libgcc-support, libgcc.mvars): New rules.
12540         (distclean): Remove mention of mklibgcc.
12541         (install): Don't reference INSTALL_LIBGCC.
12542         (install-common): Don't reference EXTRA_PARTS.
12543         (install-libgcc, install-multilib): Delete rules.
12544         * mklibgcc.in: Delete file.
12545         * doc/configfiles.texi: Don't mention mklibgcc.
12546
12547         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12548         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12549         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12550         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12551         (mklibgcc, ldblspecs): Likewise.
12552
12553         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12554         (posixpre.def): Use $(T).
12555         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12556         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12557         (SHLIB_LINK): Make dummy.
12558         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12559
12560         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12561
12562         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12563         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12564         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12565         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12566
12567         * configure.ac (all_outputs): Remove mklibgcc.
12568         * configure: Regenerated.
12569
12570 2007-01-03  Josh Conner  <jconner@apple.com>
12571
12572         PR middle-end/29683
12573         * calls.c (compute_argument_addresses): Set stack and stack_slot
12574         for partial args, too.
12575         (store_one_arg): Use locate.size.constant for the size when
12576         generating a save_area.
12577
12578 2007-01-03  Robert Kennedy <jimbob@google.com>
12579
12580         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12581         whose definitions are deleted due to basic block merging.
12582
12583 2007-01-03  Paul Brook  <paul@codesourcery.com>
12584
12585         PR target/16634
12586         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12587         functions.
12588         (use_return_insn): Return 0 for Thumb interrupt functions.
12589         (print_multi_reg): Add rfe argument for IRQ returns.
12590         (arm_output_epilogue): Pop interrupt return address directly into PC.
12591         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12592
12593 2007-01-03  Paul Brook  <paul@codesourcery.com>
12594
12595         Merge from sourcerygxx-4_1.
12596         * config/arm/thumb2.md: New file.
12597         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12598         Thumb-2.
12599         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12600         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12601         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12602         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12603         tables.
12604         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12605         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12606         comptibility.
12607         * config/arm/ieee754-sf.S: Ditto.
12608         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12609         (thumb1_base_register_rtx_p): ... to this.
12610         (thumb_index_register_rtx_p): Rename...
12611         (thumb1_index_register_rtx_p): ... to this.
12612         (thumb_output_function_prologue): Rename...
12613         (thumb1_output_function_prologue): ... to this.
12614         (thumb_legitimate_address_p): Rename...
12615         (thumb1_legitimate_address_p): ... to this.
12616         (thumb_rtx_costs): Rename...
12617         (thumb1_rtx_costs): ... to this.
12618         (thumb_compute_save_reg_mask): Rename...
12619         (thumb1_compute_save_reg_mask): ... to this.
12620         (thumb_final_prescan_insn): Rename...
12621         (thumb1_final_prescan_insn): ... to this.
12622         (thumb_expand_epilogue): Rename...
12623         (thumb1_expand_epilogue): ... to this.
12624         (arm_unwind_emit_stm): Rename...
12625         (arm_unwind_emit_sequence): ... to this.
12626         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12627         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12628         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12629         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12630         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12631         thumb2_output_casesi): New functions.
12632         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12633         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12634         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12635         THUMB2_WORK_REGS): Define.
12636         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12637         arm_condexec_mask, arm_condexec_masklen)): New variables.
12638         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12639         (arm_override_options): Check new CPU capabilities.
12640         Set new architecture flag variables.
12641         (arm_isr_value): Handle v7m interrupt functions.
12642         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12643         Thumb-2.
12644         (const_ok_for_arm): Handle Thumb-2 constants.
12645         (arm_gen_constant): Ditto.  Use movw when available.
12646         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12647         functions.
12648         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12649         (thumb_find_work_register, arm_load_pic_register,
12650         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12651         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12652         print_multi_reg, output_mov_long_double_fpa_from_arm,
12653         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12654         output_mov_double_fpa_from_arm, output_move_double,
12655         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12656         output_return_instruction, arm_output_function_prologue,
12657         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12658         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12659         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12660         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12661         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12662         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12663         '!' and 'L'.
12664         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12665         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12666         (arm_file_start): Output directive for unified syntax.
12667         (arm_unwind_emit_set): Handle stack alignment instruction.
12668         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12669         Add v6t2, v7, v7a, v7r and v7m.
12670         (RETLDM): Add Thumb-2 code.
12671         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12672         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12673         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12674         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12675         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12676         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12677         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12678         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12679         ADJUST_INSN_LENGTH): Define.
12680         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12681         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12682         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12683         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12684         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12685         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12686         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12687         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12688         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12689         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12690         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12691         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12692         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12693         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12694         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12695         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12696         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12697         cortex-m3.
12698         * config/arm/arm-tune.md: Regenerate.
12699         * config/arm/arm-protos.h: Update prototypes.
12700         * config/arm/vfp.md: Enable patterns for Thumb-2.
12701         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12702         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12703         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12704         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12705         * config/arm/libunwind.S: Add Thumb-2 code.
12706         * config/arm/constraints.md: Update include Thumb-2.
12707         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12708         * config/arm/ieee754-df.S: Ditto.
12709         * config/arm/bpabi.S: Ditto.
12710         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12711         * config/arm/predicates.md (low_register_operand,
12712         low_reg_or_int_operand, thumb_16bit_operator): New.
12713         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12714         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12715         * config/arm/t-arm-elf: Add armv7 multilib.
12716         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12717         Include thumb2.md.
12718         (UNSPEC_STACK_ALIGN, ce_count): New.
12719         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12720         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12721         insns/expanders.
12722         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12723         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12724         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12725         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12726         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12727         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12728         insns.
12729         * doc/extend.texi: Document ARMv7-M interrupt functions.
12730         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12731
12732 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12733
12734         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12735         (struct _Unwind_Context): Rename args_size to flags, remove
12736         signal_frame field, add a new args_size field and version field.
12737         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12738         _Unwind_IsExtendedContext): New inline functions.
12739         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12740         Assume by_value array is only present if _Unwind_IsExtendedContext.
12741         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12742         _Unwind_IsSignalFrame.
12743         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12744         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12745         (uw_init_context_1): Initialize context->flags to
12746         EXTENDED_CONTEXT_BIT.
12747         * config/rs6000/linux-unwind.h (frob_update_context): Use
12748         _Unwind_SetSignalFrame.
12749
12750 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12751
12752         PR middle-end/30353
12753         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12754         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12755         the value.
12756
12757 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12758
12759         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12760         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12761         RET, AT_SP): Remove.
12762         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12763         instead of RET.
12764
12765         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12766         * cfgbuild.c (find_basic_blocks): Likewise.
12767         * cfgrtl.c (rtl_create_basic_block): Likewise.
12768         * function.c (temp_slots_at_level): Likewise.
12769         * reg-stack.c (stack_regs_mentioned): Likewise.
12770         * regclass.c (allocate_reg_info): Likewise.
12771         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12772         set_bb_for_stmt, move_block_to_fn): Likewise.
12773         * tree-complex.c (tree_lower_complex): Likewise.
12774         * vec.h (VEC_safe_grow_cleared): New.
12775
12776         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12777
12778 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12779
12780         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12781         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12782         to loop_version.
12783         * cfgloopmanip.c (scale_loop_frequencies): Export.
12784         (loopify): Scale the frequencies by prescribed coefficients.
12785         (set_zero_probability): New function.
12786         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12787         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12788         and frequencies according to arguments.
12789         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12790         correctly.
12791         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12792         * modulo-sched.c (sms_schedule): Set probabilities for entering
12793         versioned loop correctly.
12794         * tree-vect-transform.c (vect_transform_loop): Ditto.
12795         * cfgloop.h (loopify, loop_version): Declaration changed.
12796         (scale_loop_frequencies): Declared.
12797
12798 2007-01-02  Jan Hubicka  <jh@suse.cz>
12799
12800         * cgraph.c: Include tree-flow.h
12801         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12802         early_local_passes.
12803         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12804         * tree-pass.h (pass_all_early_optimizations): Declare.
12805         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12806         early_local_passes.
12807         (cgraph_analyze_function): Do early_local_passes.
12808         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12809         Do not add referenced vars.
12810         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12811         SSA form.
12812         (gate_all_early_local_passes): New gate.
12813         (pass_early_local_passes): Use new gate.
12814         (execute_early_local_optimizations): New functions.
12815         (gate_all_early_optimizations): New gate.
12816         (pass_all_early_optimizations): New pass.
12817         (execute_free_datastructures): Free SSA only when initialized.
12818         (gate_init_datastructures): Init only when optimizing.
12819         (tree_lowering_passes): Do early local passes when called late.
12820         * tree-profile.c (do_tree_profiling): Don't profile functions added
12821         late.
12822         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12823         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12824         not active.
12825         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12826         during early_local_passes.
12827         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12828
12829
12830 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12831
12832         * Makefile.in: Update copyright year.
12833
12834 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12835
12836         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12837         in $(lang_checks) and check-consistency targets.
12838
12839 2007-01-02  Jan Hubicka  <jh@suse.cz>
12840
12841         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12842         Do not add referenced vars.
12843         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12844         are not active.
12845         * passes.c (init_optimization_passes): Put mudflap_2 after
12846         free_datastructures.
12847
12848 2007-01-02  Jan Hubicka  <jh@suse.cz>
12849
12850         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12851         Set NOTHROW flag on call statements proved to be nothrow.
12852         Update statement of local calls so new pure/const functions are
12853         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12854         goto receivers.
12855         (tree_rest_of_compilation): Register hooks and initialize bitmap
12856         early. Do not set after_inlining flag.
12857
12858 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12859
12860         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12861         HOST_BITS_PER_LONGLONG
12862
12863 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12864
12865         PR c/19977
12866         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12867         warning for non-static initializers.
12868
12869 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12870
12871         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12872         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12873         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12874         Always use set_unique_reg_note to add REG_EQUAL notes.
12875
12876 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12877
12878         Revert:
12879         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12880
12881         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12882         * cfgbuild.c (find_basic_blocks): Likewise.
12883         * cfgrtl.c (rtl_create_basic_block): Likewise.
12884         * function.c (temp_slots_at_level): Likewise.
12885         * reg-stack.c (stack_regs_mentioned): Likewise.
12886         * regclass.c (allocate_reg_info): Likewise.
12887         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12888         set_bb_for_stmt, move_block_to_fn): Likewise.
12889         * tree-complex.c (tree_lower_complex): Likewise.
12890         * vec.h (VEC_safe_grow_cleared): New.
12891
12892 2007-01-02  Ian Lance Taylor  <iant@google.com>
12893
12894         * c-common.c (c_common_truthvalue_conversion): When warning about
12895         using an assignment as a truth value, set TREE_NO_WARNING.
12896
12897 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12898
12899         PR middle-end/7651
12900         * c.opt (Wold-style-declaration): New.
12901         * doc/invoke.texi (C-only Warning Options): New.
12902         (Wold-style-declaration): Document it.
12903         (Wextra): Enabled by -Wextra.
12904         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12905         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12906         -Wold-style-declaration.
12907
12908 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12909
12910         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12911         * cfgbuild.c (find_basic_blocks): Likewise.
12912         * cfgrtl.c (rtl_create_basic_block): Likewise.
12913         * function.c (temp_slots_at_level): Likewise.
12914         * reg-stack.c (stack_regs_mentioned): Likewise.
12915         * regclass.c (allocate_reg_info): Likewise.
12916         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12917         set_bb_for_stmt, move_block_to_fn): Likewise.
12918         * tree-complex.c (tree_lower_complex): Likewise.
12919         * vec.h (VEC_safe_grow_cleared): New.
12920
12921 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12922
12923         * c-common.c (c_common_nodes_and_builtins): Since variants of
12924         void_type_node get built before it is given a name, we need to
12925         give those variants the name, too.
12926         (complete_array_type): We need to work with the canonical main
12927         type of the array, from which we will build the qualified version.
12928         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12929         * print-tree.c (print_node): Display canonical type information
12930         for each type.
12931         * stor-layout.c (layout_type): When we don't know the
12932         alignment of a type for which we're building an array, we end up
12933         guessing wrong, so make the type require structural equality.
12934         * tree.c (make_node_stat): When we build a new type, it is its
12935         own canonical type.
12936         (build_type_attribute_qual_variant): When building an attribute
12937         variant, its canonical type is the non-attribute variant. However,
12938         if the attributes are target-dependent and they differ, we need to
12939         use structural equality checks for this type.
12940         (build_qualified_type): A qualified type is not equivalent to its
12941         unqualified variant; set the canonical type appropriately.
12942         (build_distinct_type_copy): When building a distinct type from
12943         another type, the new type is its own canonical type.
12944         (build_variant_type_copy): When building a new type variant, we
12945         assume that it is equivalent to the original type.
12946         (build_pointer_type_for_mode): When building a pointer type, also
12947         build a canonical type pointer.
12948         (build_reference_type_for_mode): When building a reference type,
12949         also build a canonical type reference.
12950         (build_index_type): When we can't hash an index type (e.g.,
12951         because its maximum value is negative), the index type requires
12952         structural equality tests.
12953         (build_array_type): Build the canonical form of an array type.
12954         (build_function_type): Function types require structural equality,
12955         because they contain default arguments, attributes, etc.
12956         (build_method_type_directly): Ditto for method types.
12957         (build_offset_type): Build the canonical offset type.
12958         (build_complex_type): Build the canonical vector type.
12959         (make_vector_type): Build the canonical vector type.
12960         * tree.h (TYPE_CANONICAL): New.
12961         (TYPE_STRUCTURAL_EQUALITY_P): New.
12962         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12963         (struct tree_type): Added "canonical" field.
12964         * params.h (VERIFY_CANONICAL_TYPES): New.
12965         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12966         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12967         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12968         * doc/invoke.texi (verify-canonical-types): Document --param
12969         parameter for verifying canonical types.
12970
12971 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12972
12973         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12974         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12975         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12976         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12977         tm_file.
12978         * config/rs6000/e500.h: New.
12979         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12980         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12981         Remove.
12982         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12983         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12984         TARGET_E500_DOUBLE): Remove.
12985         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12986         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12987         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12988         * config/rs6000/rs6000.c (rs6000_override_options): Use
12989         CHECK_E500_OPTIONS.
12990
12991 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12992
12993         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12994         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12995         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12996         rs6000_emit_cmove): Don't check TARGET_E500.
12997         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12998         sordered): Don't check TARGET_E500.
12999
13000 2007-01-01  Eric Christopher  <echristo@apple.com>
13001
13002         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13003         HARD_REGISTER_NUM_P.
13004
13005 2007-01-01  Roger Sayle  <roger@eyesopen.com>
13006
13007         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13008         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13009         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13010         eq/ne Y".
13011
13012 2007-01-01  Mike Stump  <mrs@apple.com>
13013
13014         * configure.ac: Remove support for building with Apple's gcc-3.1.
13015
13016 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13017
13018         PR middle-end/30311
13019         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13020         REG is a hard register.  Do not modify REG before calling
13021         subreg_nregs.
13022         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13023         multiple of the size of YMODE for certain lowpart cases.
13024
13025 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13026
13027         PR middle-end/30253
13028         * gimplify (voidify_wrapper_expr): Update for
13029         GIMPLE_MODIFY_STMT.
13030
13031 2007-01-01  Andreas Schwab  <schwab@suse.de>
13032
13033         PR target/29166
13034         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13035         save of BR0 in extra_spill_size instead of spill_size.
13036         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13037         area.
13038         (ia64_expand_epilogue): Restore BR0 from its new location.
13039
13040 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13041
13042         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13043         Use a temporary variable if the left hand side is not a gimple
13044         register.
13045
13046 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13047
13048         * gimplify.c (gimplify_return_expr): Make the temporary variable
13049         for the return expression, a gimple register variable.
13050
13051 2007-01-01  Jan Hubicka  <jh@suse.cz>
13052
13053         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13054         INSN_LIST.
13055
13056 2007-01-01  Mike Stump  <mrs@apple.com>
13057
13058         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13059         .literal16.
13060         * config/darwin.c (machopic_select_rtx_section): Use
13061         HAVE_GAS_LITERAL16.
13062         (darwin_mergeable_constant_section): Likewise.
13063         * configure: Regenerate.
13064         * config.in: Regenerate.
13065
13066 2007-01-01  Jan Hubicka  <jh@suse.cz>
13067             Andrew Pinski  <pinskia@gmail.com>
13068
13069         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13070         before starting IPA passes.